CN103234341A - Dyer and device for detecting working state of draught fan of dryer and dryer - Google Patents
Dyer and device for detecting working state of draught fan of dryer and dryer Download PDFInfo
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- CN103234341A CN103234341A CN2013101758483A CN201310175848A CN103234341A CN 103234341 A CN103234341 A CN 103234341A CN 2013101758483 A CN2013101758483 A CN 2013101758483A CN 201310175848 A CN201310175848 A CN 201310175848A CN 103234341 A CN103234341 A CN 103234341A
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- dryer
- blower fan
- detection
- baking oven
- pressure sensitive
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- 238000001514 detection method Methods 0.000 claims description 22
- 238000001035 drying Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The invention discloses a dryer and a device for detecting a working state of a draught fan of the dryer. The device comprises a guide pipe and a pressure sensing device, wherein pressure sensing device is arranged at the outer part of a drying oven of the dryer; and one end of the guide pipe is communicated to an air outlet end of the draught fan in the drying oven while the other end of the guide pipe is connected to the pressure sensing device. The device for detecting the working state of the draught fan of the dryer has the advantages of being simple in structure, convenient to manufacture, and convenient to assemble, disassemble, debug as well as maintain. The dryer is provided with the device for detecting the working state of the draught fan of the dryer.
Description
Technical field
The present invention relates to food, pharmacy package packing machine, relate in particular to device and dryer for detection of dryer blower fan duty.
Background technology
Existing device for detection of dryer blower fan duty is mechanical type air door induction installation, its structure as shown in Figure 1, this device is by forming near switch 12, air door 13, connecting rod 14, tablet 15, balancing weight 16, pointer 17 etc.Dryer is provided with spiral case 6 in the outlet air end of blower fan 1, and air door 13 places the exit of spiral case 6, and air door 13 connects tablet 15, balancing weight 16 and pointers 17 through connecting rod 14, is fixed near switch 12 on the outer wall of baking oven 11 of dryer.When blower fan 1 work, air door 13 drives connecting rod 14 under the effect of wind-force, tablet 15 is moved to and contacts near switch 12, at this moment normally moves to signal indication blower fan 1 of main frame near switch 12.When blower fan 1 quit work, air door 13 no longer was subjected to windage, under the effect of balancing weight 16, drove connecting rod 14 and made tablet 15 and break away near switch 12, at this moment gave signal indication blower fan of main frame 1 abnormal operation near switch 12.
There is following problem in prior mechanical air door induction installation: 1, making, dismounting and debugging maintenance are all inconvenient; 2, influence the size of air quantity and the uniformity of wind; 3, mechanical structure can produce particulate when operation, can influence quality and the life-span of filter; 4, whether normally the mechanical structure instability breaks down easily, can not correctly confirm blower fan operation immediately, does not in time handle in case blower fan breaks down, and can have a strong impact on sterilization effect, does not reach the sterilization requirement, causes this batch product all defective; In addition, if blower fan can not normally move, causing the gas in the baking oven is inactive state, and this moment, heating tube was in the duty of " dry combustion method ", caused heating tube to burn out easily.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of simple in structure, easy to make, is convenient to device and the dryer for detection of dryer blower fan duty of dismounting, debugging and maintenance.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of device for detection of dryer blower fan duty, comprise conduit and pressure sensitive device, described pressure sensitive device is installed in the baking oven outside of described dryer, and described conduit one end is communicated to the outlet air end of described baking oven inner blower, and the other end is connected with the pressure sensitive device.
Described conduit comprises heat-resisting bellows, tracheae and is installed in stationary pipes joint on the baking oven wall body, described heat-resisting bellows one end is communicated to the outlet air end of blower fan, the other end is connected with the interface of stationary pipes joint in oven interior, described tracheae one end is connected with the pressure sensitive device, and the other end is connected with the interface of stationary pipes joint in the baking oven outside.
Described pressure sensitive device is installed on the installing plate.
The end that described installing plate and tracheae join is provided with L type joint.
Described pressure sensitive device is electron pressure switch or pressure sensor.
A kind of dryer, comprise baking oven, PLC module and be installed in the interior blower fan of baking oven, the outlet air end of described blower fan is equiped with the above-mentioned device for detection of dryer blower fan duty, describedly is connected with the PLC module for detection of the pressure sensitive device in the device of dryer blower fan duty.
The port of export of described blower fan is connected with spiral case, fan housing and filter in turn, describedly is communicated in spiral case or fan housing place for detection of the conduit in the device of dryer blower fan duty.
Compared with prior art, the invention has the advantages that:
Device for detection of dryer blower fan duty of the present invention, simple in structure, easy to make, be convenient to dismounting, debugging and maintenance, maintenance workload reduces, and can save medicine labour cost; Than existing machinery formula air door induction installation, its fault rate reduces greatly, has reduced the risk that product is defective, equipment is burnt out; Simultaneously, this device does not influence size and the uniformity of wind-force, can guarantee sterilization effect, and does not have motion, friction, can not produce particulate, avoids influencing filter effect and the service life of filter.Dryer of the present invention is equiped with the above-mentioned device for detection of dryer blower fan duty, therefore has corresponding technique effect.
Description of drawings
Fig. 1 is the structural representation of existing machinery formula air door induction installation.
Fig. 2 is the structural representation of the device for detection of dryer blower fan duty of the present invention.
Fig. 3 is the structural representation of dryer of the present invention.
Each label is represented among the figure:
1, blower fan; 2, conduit; 3, pressure sensitive device; 4, installing plate; 5, L type joint; 6, spiral case; 7, fan housing; 8, filter; 11, baking oven; 12, near switch; 13, air door; 14, connecting rod; 15, tablet; 16, balancing weight; 17, pointer; 21, heat-resisting bellows; 22, tracheae; 23, stationary pipes joint.
The specific embodiment
Fig. 2 and Fig. 3 show a kind of device embodiment for detection of dryer blower fan duty of the present invention, this device comprises conduit 2 and pressure sensitive device 3, pressure sensitive device 3 is installed in baking oven 11 outsides of dryer, conduit 2 one ends are communicated to the outlet air end of baking oven 11 inner blowers 1, the other end is connected with pressure sensitive device 3, pressure sensitive device 3 can be responded to the pressure of blower fan 1 outlet air end and the difference of baking oven 11 external pressures immediately, and in time pressure differential is fed back to the PLC control system, judge the duty of blower fan 1 thus, it is simple in structure, easy to make, be convenient to dismounting, debugging and maintenance, maintenance workload reduces, and can save labour cost; Than existing machinery formula air door induction installation, its fault rate reduces greatly, has reduced the risk that product is defective, equipment is burnt out; Simultaneously, this device does not influence size and the uniformity of wind-force, can guarantee sterilization effect, and does not have motion, friction, can not produce particulate, avoids influencing filter effect and the service life of filter.
In the present embodiment, conduit 2 comprises heat-resisting bellows 21, tracheae 22 and is installed in stationary pipes joint 23 on baking oven 11 wall bodies, heat-resisting bellows 21 1 ends are communicated to the outlet air end of blower fan 1, the other end is connected with the interface of stationary pipes joint 23 in baking oven 11 inside, tracheae 22 1 ends are connected with pressure sensitive device 3, the other end is connected with the interface of stationary pipes joint 23 in baking oven 11 outsides, heat-resisting bellows 21 heat-resisting abilities are strong, be applicable to the high-temperature region, baking oven 11 outsides get final product with common pipe, equipment performance can be guaranteed like this, cost can be suitably saved again.
Present embodiment further is installed in pressure sensitive device 3 on the installing plate 4, and installing plate 4 is provided with L type joint 5 with the end that tracheae 22 joins, and pressure sensitive device 3 is electron pressure switch or pressure sensor, and present embodiment is selected electron pressure switch for use.
Fig. 3 shows a kind of dryer embodiment of the present invention, this dryer comprises baking oven 11, PLC module and is installed in blower fan 1 in the baking oven 11, the outlet air end of blower fan 1 is equiped with the above-mentioned device for detection of dryer blower fan duty, pressure sensitive device 3 in this device is connected with the PLC module, and pressure sensitive device 3 is given the PLC module with detected pressure feedback.The port of export of blower fan 1 is connected with spiral case 6, fan housing 7 and filter 8 in turn, is communicated in spiral case 6 or fan housing 7 places for detection of the conduit 2 in the device of dryer blower fan duty, and conduit 2 is communicated in fan housing 7 tops in the present embodiment.
Below only be preferred embodiment of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, and the technical scheme that belongs under the thinking of the present invention all belongs to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.
Claims (7)
1. device for detection of dryer blower fan duty, it is characterized in that: comprise conduit (2) and pressure sensitive device (3), described pressure sensitive device (3) is installed in baking oven (11) outside of described dryer, described conduit (2) one ends are communicated to the outlet air end of described baking oven (11) inner blower (1), and the other end is connected with pressure sensitive device (3).
2. the device for detection of dryer blower fan duty according to claim 1, it is characterized in that: described conduit (2) comprises heat-resisting bellows (21), tracheae (22) and be installed in stationary pipes joint (23) on baking oven (11) wall body, described heat-resisting bellows (21) one ends are communicated to the outlet air end of blower fan (1), the other end is connected in the inner interface of baking oven (11) with stationary pipes joint (23), described tracheae (22) one ends are connected with pressure sensitive device (3), and the other end is connected in the outside interface of baking oven (11) with stationary pipes joint (23).
3. the device for detection of dryer blower fan duty according to claim 2, it is characterized in that: described pressure sensitive device (3) is installed on the installing plate (4).
4. the device for detection of dryer blower fan duty according to claim 3 is characterized in that: described installing plate (4) is provided with L type joint (5) with the end that tracheae (22) joins.
5. according to each described device for detection of dryer blower fan duty in the claim 1 to 4, it is characterized in that: described pressure sensitive device (3) is electron pressure switch or pressure sensor.
6. dryer, comprise baking oven (11), PLC module and be installed in the interior blower fan (1) of baking oven (11), it is characterized in that: the outlet air end of described blower fan (1) is equiped with as each described device for detection of dryer blower fan duty in the claim 1 to 5, describedly is connected with the PLC module for detection of the pressure sensitive device (3) in the device of dryer blower fan duty.
7. dryer according to claim 6, it is characterized in that: the port of export of described blower fan (1) is connected with spiral case (6), fan housing (7) and filter (8) in turn, describedly is communicated in spiral case (6) or fan housing (7) is located for detection of the conduit in the device of dryer blower fan duty (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310175848.3A CN103234341B (en) | 2013-05-14 | 2013-05-14 | Dyer and device for detecting working state of draught fan of dryer and dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310175848.3A CN103234341B (en) | 2013-05-14 | 2013-05-14 | Dyer and device for detecting working state of draught fan of dryer and dryer |
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| Publication Number | Publication Date |
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| CN103234341A true CN103234341A (en) | 2013-08-07 |
| CN103234341B CN103234341B (en) | 2015-03-18 |
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| CN201310175848.3A Active CN103234341B (en) | 2013-05-14 | 2013-05-14 | Dyer and device for detecting working state of draught fan of dryer and dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706202A (en) * | 2016-12-21 | 2017-05-24 | 安徽天利粮油集团股份有限公司 | Dryer pressure monitoring equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587429A (en) * | 1991-09-25 | 1993-04-06 | Zexel Corp | Refrigerating cycle controller |
| US6401708B1 (en) * | 1999-02-26 | 2002-06-11 | Lg Electronics Inc. | Pressure sensing device in gas furnace and method for controlling operation thereof |
| CN1411544A (en) * | 2000-02-29 | 2003-04-16 | 阿尔德斯·阿罗利奎公司 | Electronically regulated self-controlled ventilation unit |
| CN201593449U (en) * | 2010-01-13 | 2010-09-29 | 中铁隧道集团有限公司 | Sensor for failure of tunnel ventilation pipeline and on/off of air blower |
| CN102797692A (en) * | 2011-05-27 | 2012-11-28 | 海尔集团公司 | Gas emission control method and electrical equipment |
| CN202692641U (en) * | 2012-07-05 | 2013-01-23 | 安徽国风塑业股份有限公司 | Hot air circulating baking oven |
| CN203413939U (en) * | 2013-05-14 | 2014-01-29 | 楚天科技股份有限公司 | Device used for detecting working state of dryer fan and dryer |
-
2013
- 2013-05-14 CN CN201310175848.3A patent/CN103234341B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587429A (en) * | 1991-09-25 | 1993-04-06 | Zexel Corp | Refrigerating cycle controller |
| US6401708B1 (en) * | 1999-02-26 | 2002-06-11 | Lg Electronics Inc. | Pressure sensing device in gas furnace and method for controlling operation thereof |
| CN1411544A (en) * | 2000-02-29 | 2003-04-16 | 阿尔德斯·阿罗利奎公司 | Electronically regulated self-controlled ventilation unit |
| CN201593449U (en) * | 2010-01-13 | 2010-09-29 | 中铁隧道集团有限公司 | Sensor for failure of tunnel ventilation pipeline and on/off of air blower |
| CN102797692A (en) * | 2011-05-27 | 2012-11-28 | 海尔集团公司 | Gas emission control method and electrical equipment |
| CN202692641U (en) * | 2012-07-05 | 2013-01-23 | 安徽国风塑业股份有限公司 | Hot air circulating baking oven |
| CN203413939U (en) * | 2013-05-14 | 2014-01-29 | 楚天科技股份有限公司 | Device used for detecting working state of dryer fan and dryer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706202A (en) * | 2016-12-21 | 2017-05-24 | 安徽天利粮油集团股份有限公司 | Dryer pressure monitoring equipment |
| CN106706202B (en) * | 2016-12-21 | 2024-04-05 | 安徽天利粮油集团股份有限公司 | Dryer pressure monitoring device |
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| Publication number | Publication date |
|---|---|
| CN103234341B (en) | 2015-03-18 |
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Application publication date: 20130807 Assignee: Changsha Pharmaceutical Equipment Industrial Technology Research Institute Co.,Ltd. Assignor: TRUKING TECHNOLOGY Ltd. Contract record no.: X2023980051833 Denomination of invention: Device and dryer for detecting the working status of the dryer fan Granted publication date: 20150318 License type: Common License Record date: 20231213 |