CN110999821A

CN110999821A - Thermostat for PLC control

Info

Publication number: CN110999821A
Application number: CN201911212145.7A
Authority: CN
Inventors: 周思杰
Original assignee: Xi'an Woweilong Control System Co Ltd
Current assignee: Xi'an Woweilong Control System Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-04-14

Abstract

The invention discloses a thermostat for PLC control, which comprises a mounting seat, a temperature sensor, a PLC controller and a wireless signal transmitter, wherein a heat-conducting plate is inserted into the mounting seat, a heat collecting nest is arranged at the center of the bottom end of the heat-conducting plate, the bottom end of the mounting seat is connected with a mounting box, the left side and the right side of the mounting box are both connected with first connecting seats, a third clamping cavity is arranged in the first connecting seat, a first abutting block is inserted into the third clamping cavity, a first spring is abutted to one side, away from the mounting box, of the heat-conducting plate, a second filter screen is abutted to one side, close to a first pressing block, of the first abutting block, and the temperature sensor and the wireless signal transmitter are fixed on the inner surface of the bottom end of the mounting box. The heat-conducting plate and the heat-collecting nest are arranged, so that the heat-radiating effect of the device can be effectively improved, and the device can be conveniently detached and overhauled by arranging the first clamping block and the first clamping groove.

Description

Thermostat for PLC control

Technical Field

The invention relates to the technical field of thermostats, in particular to a thermostat for PLC control.

Background

The thermostat is generally used as a heat preservation device for hatching eggs in farms, and the thermostat is required to be used for constantly controlling the temperature in the heat preservation box so as to ensure the normal hatching of the hatching eggs.

At present, current partial thermostat is generally connected with incubator integration, but when needing to overhaul the thermostat, it is very inconvenient to seem, and its inside electronic component of current partial thermostat is more, when the device carries out the during operation, its inside electronic component can produce a large amount of heats, if not yet cool down this moment, its inside electronic component functioning speed will become card pause, influence electronic component's life, and general radiating mode only carries out the heat dissipation through seting up the louvre, its inside circulation of air efficiency is not good, influence the radiating effect, consequently, need a thermostat for the PLC control to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a thermostat for PLC control, which solves the problems that the prior thermostat is inconvenient to disassemble and maintain and the prior thermostat has poor heat dissipation effect.

In order to achieve the purpose, the invention provides the following technical scheme: a thermostat for PLC control comprises a mounting seat, a temperature sensor, a PLC controller and a wireless signal transmitter, wherein a heat conducting plate is inserted in the mounting seat, a heat collecting nest is arranged at the central position of the bottom end of the heat conducting plate, the bottom end of the mounting seat is connected with a mounting box, the left side and the right side of the mounting box are both connected with first connecting seats, a third clamping cavity is arranged in the first connecting seat, a first abutting block is inserted in the third clamping cavity, a first spring abuts against one side, away from the mounting box, of the heat conducting plate, a second filter screen abuts against one side, close to a first pressing block, of the first abutting block, the temperature sensor and the wireless signal transmitter are fixed on the inner surface of the bottom end of the mounting box, the PLC controller is connected to the inner surface of the left side of the mounting box, a radiating fin is connected to the outer surface of the bottom end of the mounting box, and a first filter screen is connected to the central position of, the utility model discloses a mounting box, including mounting box, first clamping block, first push pedal, second clamping block, spring leaf, first connecting column, first clamping block, first push pedal, second clamping block, first connecting column, second clamping block chamber, first clamping block, first push pedal, first connecting column, second clamping block chamber, and the inside of second clamping chamber is inserted and is equipped with first clamping block, one side butt that first clamping block is close to the mounting box has the spring leaf, one side butt that the mounting box was kept away from to first clamping block has first draw-in groove, and the inside butt of first draw-in groove has first push pedal, one side that the mounting box was kept away from to first push pedal is connected with.

Preferably, the inner shape and size of the first connecting seat is the same as the surface shape and size of the second filter screen, and the second filter screen is inserted into the first connecting seat.

Preferably, a groove is formed in the second clamping cavity, the top end and the bottom end of the first clamping block are connected with a convex block, the shape and the size of the convex block on the surface of the first clamping block are the same as those of the inner part of a sliding groove formed in the inner wall of the second clamping cavity, and the second clamping cavity and the first clamping block form a sliding type structure.

Preferably, the diameter of the first connecting column is the same as the inner diameter of the through hole formed in the surface of the lower connecting block, and the first connecting column is inserted into the through hole formed in the surface of the lower connecting block.

Preferably, one end of the spring piece is connected to the inner wall of the second clamping cavity, the other end of the second clamping cavity is connected with the first clamping block in an abutting mode, and the second clamping cavity, the first clamping block and the spring piece form an elastic structure.

Preferably, one end of the first spring is connected to the inner wall of the third clamping cavity, the other end of the first spring is connected to the surface of the first abutting block, and the third clamping cavity, the first spring and the first abutting block form an elastic structure.

Compared with the prior art, the invention has the beneficial effects that: this thermostat for PLC control through being provided with heat-conducting plate and thermal-arrest nest, can effectively increase the radiating effect of the device itself, and the device can conveniently dismantle the maintenance to the device through being provided with first fixture block and first draw-in groove.

1. The device is through being provided with heat-conducting plate and thermal-arrest nest, carry out the during operation at the inside electronic component of the device, its inside temperature sensor, PLC controller and wireless signal transmitter can produce a large amount of heats, and the inside air convection of mounting box can effectively be increased through the heat dissipation through-hole that the mounting box left and right sides and bottom were seted up, the thermal-arrest nest that the mount pad bottom was seted up simultaneously can effectively collect the heat, can derive the heat of collecting the nest collection through the heat-conducting plate to external simultaneously, afterwards, the radiating fin of accessible mounting box bottom can increase the radiating effect with the air, thereby can increase the device inside electronic component's life.

2. The device is through being provided with first fixture block and first draw-in groove, when dismantling the device, can press first according to the briquetting at first, makes first according to the briquetting and promotes first spliced pole and remove, makes first spliced pole drive first push pedal together and moves simultaneously to can make first push pedal release first fixture block from the inside of first draw-in groove, make the spring leaf produce deformation, and make first fixture block accomodate in the inside in second card chamber.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a control flow chart of the present invention.

In the figure: 1. a mounting seat; 2. a heat conducting plate; 3. a heat collecting nest; 4. a lower connecting block; 5. mounting a box; 6. a first connecting seat; 7. a temperature sensor; 8. a PLC controller; 9. a wireless signal transmitter; 10. a heat dissipating fin; 11. a first filter screen; 12. a second card cavity; 13. a first push plate; 14. a first connecting column; 15. a first pressing block; 16. a first clamping block; 17. a spring plate; 18. a third card cavity; 19. a first spring; 20. a first resisting block; 21. a second filter screen; 22. a first card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, three embodiments of the present invention are provided:

the first embodiment is as follows:

the utility model provides a thermostat for PLC control, including mount pad 1, temperature sensor 7, PLC controller 8 and wireless signal transmitter 9, the inside of mount pad 1 is inserted and is equipped with heat-conducting

plate

2, 2 preparation materials of this heat-conducting plate are aluminium, and the bottom central point department of putting of heat-conducting plate 2 has seted up thermal-arrest nest 3, the bottom of mount pad 1 is connected with mounting box 5, and the left and right sides of mounting box 5 all is connected with first connecting seat 6, the inside shape size of first connecting seat 6 is the same with the surface shape size of second filter screen 21, and second filter screen 21 inserts the inside of establishing at first connecting seat 6, the same shape size enables the inseparabler of

second filter screen

21 and 5 blocks of mounting box.

A third clamping cavity 18 is formed in the first connecting seat 6, a first abutting block 20 is inserted into the third clamping cavity 18, a first spring 19 abuts against one side, away from the mounting box 5, of the heat conducting plate 2, one end of the first spring 19 is connected to the inner wall of the third clamping cavity 18, the other end of the first spring 19 is connected to the surface of the first abutting block 20, the third clamping cavity 18, the first spring 19 and the first abutting block 20 form an elastic structure, the first abutting block 20 and the second filter screen 21 can abut against each other more tightly under the action of the elastic force of the first spring 19, meanwhile, the second filter screen 21 and the heat dissipation through holes on the left side and the right side of the mounting box 5 can abut against each other more tightly, and dust is prevented from entering the inside of the mounting box 5

One side of the first abutting block 20 close to the first pressing block 15 is abutted with a second filter screen 21, the inner surface of the bottom end of the mounting box 5 is fixed with a temperature sensor 7 and a wireless signal transmitter 9, the model of the temperature sensor 7 is PT100, the model of the wireless signal transmitter 9 is EM200, the inner surface of the left side of the mounting box 5 is connected with a PLC controller 8, the model of the PLC controller 8 is 6ES7288-1SR40-0AA0, the outer surface of the bottom end of the mounting box 5 is connected with a radiating fin 10, the central position of the bottom end of the mounting box 5 is connected with a first filter screen 11, the top ends of the left side and the right side of the mounting box 5 are internally provided with second clamping cavities 12, the inside of the second clamping cavities 12 is provided with grooves, the top end and the bottom end of the first clamping block 16 are both connected with convex blocks, the shape and the size of the convex blocks on the surface of the first clamping block 16 are the same as, the second card cavity 12 and the first card 16 form a sliding structure, and the first card 16 can be accommodated in the second card cavity 12 by forming the sliding structure.

A first clamping block 16 is inserted into the second clamping cavity 12, a spring piece 17 is abutted to one side, close to the mounting box 5, of the first clamping block 16, a first clamping groove 22 is abutted to one side, far away from the mounting box 5, of the first clamping block 16, a first push plate 13 is abutted to the inside of the first clamping groove 22, a first connecting column 14 is connected to one side, far away from the mounting box 5, of the first push plate 13, the diameter of the first connecting column 14 is the same as the inner diameter of a through hole formed in the surface of the lower connecting block 4, the first connecting column 14 is inserted into a through hole formed in the surface of the lower connecting block 4, the first connecting column 14 can reduce the shaking generated when the first connecting column 14 moves inside the through hole, a first pressing block 15 is connected to one side, far away from the first push plate 13, of the first connecting column 14 penetrates through the inside of the lower connecting block 4.

Example two:

when the electronic component inside the device carries out the during operation, its inside temperature sensor 7, PLC controller 8 and wireless signal transmitter 9 can produce a large amount of heats, and the heat dissipation through-hole of seting up through 5 left and right sides of mounting box and bottom can effectively increase the inside air convection of mounting box 5, the thermal-arrest nest 3 of seting up 1 bottom of mount pad simultaneously can effectively collect the heat, can derive the heat of collecting the nest 3 collection to external through heat-conducting plate 2 simultaneously, afterwards, the radiating fin 10 of 5 bottoms of accessible mounting box can increase the radiating effect with the air, thereby can increase the device inside electronic component's life.

Example three:

when the device is disassembled, the first pressing block 15 can be firstly pressed, so that the first pressing block 15 pushes the first connecting column 14 to move, meanwhile, the first connecting column 14 drives the first push plate 13 to move together, and the first push plate 13 can push the first clamping block 16 out of the first clamping groove 22, so that the spring plate 17 deforms, one end of the spring plate 17 is connected to the inner wall of the second clamping cavity 12, the other end of the second clamping cavity 12 is abutted to the first clamping block 16, the second clamping cavity 12, the first clamping block 16 and the spring plate 17 form an elastic structure, the first clamping block 16 and the first clamping groove 22 can be automatically clamped through the elastic structure, so that the mounting box 5 and the lower connecting block 4 can be conveniently fixed, and the first clamping block 16 is accommodated in the second clamping cavity 12.

The working principle is as follows: when the mounting box 5 is mounted, the mounting box 5 can be firstly inserted into the mounting base 1, and the first clamping blocks 16 at the left and right sides of the mounting box 5 can be clamped with the first clamping grooves 22 at the bottom end of the lower connecting block 4 under the elastic action of the spring pieces 17, so that the mounting box 5 can be fixed in the lower connecting block 4, and the mounting box 5 can be conveniently mounted, and meanwhile, when the electronic element in the device works, the temperature sensor 7, the PLC 8 and the wireless signal transmitter 9 in the device can generate a large amount of heat, the convection of air in the mounting box 5 can be effectively increased through the heat dissipation through holes arranged at the left and right sides and the bottom end of the mounting box 5, meanwhile, the heat collection nest 3 arranged at the bottom end of the mounting base 1 can effectively collect the heat, and the heat collected by the heat collection nest 3 can be guided out through the heat conduction plate 2, subsequently, the heat dissipation effect with the air can be increased through the heat dissipation fins 10 at the bottom end of the mounting box 5, so that the service life of the electronic element inside the device can be prolonged, and then when the electronic element inside the mounting box 5 needs to be overhauled, the mounting box 5 needs to be disassembled, when the device is disassembled, the first pressing block 15 can be firstly pressed, so that the first pressing block 15 pushes the first connecting column 14 to move, meanwhile, the first connecting column 14 drives the first push plate 13 to move together, and the first push plate 13 can push the first clamping block 16 out from the inside of the first clamping groove 22, so that the spring piece 17 deforms, and the first clamping block 16 is accommodated in the second clamping cavity 12.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a thermostat for PLC control, includes mount pad (1), temperature sensor (7), PLC controller (8) and wireless signal transmitter (9), its characterized in that: the heat-conducting plate is characterized in that a heat-conducting plate (2) is inserted into the mounting seat (1), a heat-collecting nest (3) is arranged at the center of the bottom end of the heat-conducting plate (2), a mounting box (5) is connected to the bottom end of the mounting seat (1), first connecting seats (6) are connected to the left side and the right side of the mounting box (5), a third clamping cavity (18) is formed in the first connecting seat (6), a first abutting block (20) is inserted into the third clamping cavity (18), a first spring (19) is abutted to one side, far away from the mounting box (5), of the heat-conducting plate (2), a second filter screen (21) is abutted to one side, close to a first pressing block (15), of the first abutting block (20), a temperature sensor (7) and a wireless signal transmitter (9) are fixed to the inner surface of the bottom end of the mounting box (5), a PLC (8) is connected to the inner surface of the left side of the mounting box, the outer surface of the bottom end of the mounting box (5) is connected with a radiating fin (10), the center position of the bottom end of the mounting box (5) is connected with a first filter screen (11), a second clamping cavity (12) is arranged inside the top ends of the left side and the right side of the mounting box (5), a first clamping block (16) is inserted in the second clamping cavity (12), a spring piece (17) is abutted on one side of the first clamping block (16) close to the mounting box (5), one side of the first clamping block (16) far away from the mounting box (5) is abutted with a first clamping groove (22), a first push plate (13) is abutted to the inner part of the first clamping groove (22), a first connecting column (14) is connected to one side of the first push plate (13) far away from the mounting box (5), and a first pressing block (15) is connected to the first connecting column (14) far away from the first push plate (13), the first connecting column (14) penetrates through the inner part of the lower connecting block (4).

2. The PLC controlled thermostat of claim 1, wherein: the inner shape and the size of the first connecting seat (6) are the same as the surface shape and the size of the second filter screen (21), and the second filter screen (21) is inserted in the first connecting seat (6).

3. The PLC controlled thermostat of claim 1, wherein: the inside of second card chamber (12) is seted up flutedly, and the top and the bottom of first fixture block (16) all are connected with the lug, the shape size of first fixture block (16) surface lug is the same with the inside shape size of the spout that the second card chamber (12) inner wall was seted up, and second card chamber (12) and first fixture block (16) constitution slidingtype structure.

4. The PLC controlled thermostat of claim 1, wherein: the diameter of the first connecting column (14) is the same as the inner diameter of a through hole formed in the surface of the lower connecting block (4), and the first connecting column (14) is inserted into the through hole in the surface of the lower connecting block (4).

5. The PLC controlled thermostat of claim 1, wherein: one end of the spring piece (17) is connected to the inner wall of the second clamping cavity (12), the other end of the second clamping cavity (12) is connected with the first clamping block (16) in an abutting mode, and the second clamping cavity (12), the first clamping block (16) and the spring piece (17) form an elastic structure.

6. The PLC controlled thermostat of claim 1, wherein: one end of the first spring (19) is connected to the inner wall of the third clamping cavity (18), the other end of the first spring (19) is connected to the surface of the first abutting block (20), and the third clamping cavity (18), the first spring (19) and the first abutting block (20) form an elastic structure.