CN203413939U - Device used for detecting working state of dryer fan and dryer - Google Patents
Device used for detecting working state of dryer fan and dryer Download PDFInfo
- Publication number
- CN203413939U CN203413939U CN201320258396.0U CN201320258396U CN203413939U CN 203413939 U CN203413939 U CN 203413939U CN 201320258396 U CN201320258396 U CN 201320258396U CN 203413939 U CN203413939 U CN 203413939U
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- dryer
- blower fan
- detection
- baking oven
- pressure sensitive
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Abstract
The utility model discloses a device used for detecting the working state of a dryer fan and a dryer. The device comprises a conduit and a pressure induction device, wherein the pressure induction device is arranged on the outer part of a drying oven of the dryer; one end of the conduit is communicated to the air outlet end of a fan in the drying oven; and the other end of the conduit is connected with the pressure induction device. The device used for detecting the working state of the dryer fan has the advantages of simple structure, convenience in manufacture, and convenience in assembling, disassembling, debugging and repairing. The dryer is provided with a device used for detecting the working state of the dryer fan.
Description
Technical field
The utility model relates to food, pharmacy package packing machine, relates in particular to device and dryer for detection of dryer blower fan duty.
Background technology
The existing device for detection of dryer blower fan duty is mechanical air door induction installation, and as shown in Figure 1, this device is comprised of approach switch 12, air door 13, connecting rod 14, tablet 15, balancing weight 16, pointer 17 etc. its structure.Dryer is provided with spiral case 6 in the outlet air end of blower fan 1, and air door 13 is placed in the exit of spiral case 6, and air door 13 connects tablet 15, balancing weight 16 and pointers 17 through connecting rod 14, and approach switch 12 is fixed 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 approach switch 12 and contact, and at this moment approach switch 12 normally moves to signal indication blower fan 1 of main frame.When blower fan 1 quits work, air door 13 is no longer subject to windage, under the effect of balancing weight 16, drives connecting rod 14 that tablet 15 and approach switch 12 are departed from, and at this moment approach switch 12 gives signal indication blower fan of main frame 1 abnormal operation.
There is following problem in existing mechanical air door induction installation: 1, making, dismounting and debugging maintenance are all inconvenient; 2, affect the size of air quantity and the uniformity of wind; 3, mechanical structure can produce particulate when operation, can affect quality and the life-span of filter; 4, whether normally mechanical structure is unstable, easily breaks down, can not correctly immediately confirm blower fan operation, once blower fan breaks down, does not process in time, can have a strong impact on sterilization effect, does not reach sterilizing requirement, causes this batch of product all defective; In addition, if blower fan can not normally move, causing the gas in baking oven is inactive state, and now the duty of heating tube in " dry combustion method ", easily causes heating tube to burn out.
Utility model content
The technical problems to be solved in the utility model 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 utility model 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 pressure sensitive device.
Described conduit comprises heat-resisting bellows, tracheae and is installed in the stationary pipes joint on 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 pressure sensitive device, and the other end is connected with the interface of stationary pipes joint in baking oven outside.
Described pressure sensitive device is installed on an installing plate.
One 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 blower fan in 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 for detection of the pressure sensitive device in the device of dryer blower fan duty, is connected with PLC module.
The port of export of described blower fan is connected with spiral case, fan housing and filter in turn, describedly for detection of the conduit in the device of dryer blower fan duty, is communicated in spiral case or fan housing place.
Compared with prior art, the utility model has the advantage of:
Device for detection of dryer blower fan duty of the present utility model, 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 burned; Meanwhile, this device does not affect size and the uniformity of wind-force, can guarantee sterilization effect, and does not have motion, friction, can not produce particulate, avoids affecting filter effect and the service life of filter.Dryer of the present utility model is equiped with the above-mentioned device for detection of dryer blower fan duty, therefore has corresponding technique effect.
Accompanying drawing explanation
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 utility model.
Fig. 3 is the structural representation of dryer of the present utility model.
In figure, each label represents:
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, approach 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 utility model, 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 end 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 PLC control system, judge thus the duty of blower fan 1, it is simple in structure, easy to make, be convenient to dismounting, debugging and maintenance, maintenance workload reduces, 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 burned, meanwhile, this device does not affect size and the uniformity of wind-force, can guarantee sterilization effect, and does not have motion, friction, can not produce particulate, avoids affecting 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 the stationary pipes joint 23 on baking oven 11 wall bodies, heat-resisting bellows 21 one end 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 one end 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 high-temperature region, baking oven 11 common pipe for outside, equipment performance can be guaranteed like this, cost can be suitably saved again.
The present embodiment is further installed in pressure sensitive device 3 on an installing plate 4, and installing plate 4 is provided with L-type joint 5 with one end that tracheae 22 joins, and pressure sensitive device 3 is electron pressure switch or pressure sensor, and the present embodiment is selected electron pressure switch.
Fig. 3 shows a kind of dryer embodiment of the present utility model, this dryer comprises baking oven 11, PLC module and is installed in the blower fan 1 in 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, this device in pressure sensitive device 3 be connected with PLC module, pressure sensitive device 3 by the pressure feedback detecting to PLC module.The port of export of blower fan 1 is connected with spiral case 6, fan housing 7 and filter 8 in turn, for detection of the conduit 2 in the device of dryer blower fan duty, is communicated in spiral case 6 or fan housing 7 places, and in the present embodiment, conduit 2 is communicated in fan housing 7 tops.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and the technical scheme belonging under the utility model thinking all belongs to protection domain of the present utility model.It should be pointed out that for those skilled in the art, the some improvements and modifications not departing under the utility model principle prerequisite, should be considered as protection domain of the present utility model.
Claims (7)
1. the 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 end is 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 the stationary pipes joint (23) on baking oven (11) wall body, described heat-resisting bellows (21) one end is 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 end is connected with pressure sensitive device (3), 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, is characterized in that: described pressure sensitive device (3) is installed on an 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 one end that tracheae (22) joins.
5. according to the device for detection of dryer blower fan duty described in any one in claim 1 to 4, it is characterized in that: described pressure sensitive device (3) is electron pressure switch or pressure sensor.
6. a dryer, comprise baking oven (11), PLC module and be installed in the blower fan (1) in baking oven (11), it is characterized in that: the outlet air end of described blower fan (1) is equiped with the device for detection of dryer blower fan duty as described in any one in claim 1 to 5, describedly for detection of the pressure sensitive device (3) in the device of dryer blower fan duty, be connected with PLC module.
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 for detection of the conduit in the device of dryer blower fan duty (2), be communicated in spiral case (6) or fan housing (7) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320258396.0U CN203413939U (en) | 2013-05-14 | 2013-05-14 | Device used for detecting working state of dryer fan and dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320258396.0U CN203413939U (en) | 2013-05-14 | 2013-05-14 | Device used for detecting working state of dryer fan and dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413939U true CN203413939U (en) | 2014-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320258396.0U Withdrawn - After Issue CN203413939U (en) | 2013-05-14 | 2013-05-14 | Device used for detecting working state of dryer fan and dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234341A (en) * | 2013-05-14 | 2013-08-07 | 楚天科技股份有限公司 | Dyer and device for detecting working state of draught fan of dryer and dryer |
-
2013
- 2013-05-14 CN CN201320258396.0U patent/CN203413939U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234341A (en) * | 2013-05-14 | 2013-08-07 | 楚天科技股份有限公司 | Dyer and device for detecting working state of draught fan of dryer and dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140129 Effective date of abandoning: 20150318 |
|
| RGAV | Abandon patent right to avoid regrant |