CN218831096U

CN218831096U - Heat dissipation shell of electropneumatic valve positioner

Info

Publication number: CN218831096U
Application number: CN202222763189.2U
Authority: CN
Inventors: 胡卫明
Original assignee: Changshu Chuangxin Automation Control Instrument Co ltd
Current assignee: Changshu Chuangxin Automation Control Instrument Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-04-07
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a heat dissipation casing of electropneumatic valve locator. The heat dissipation casing of electric valve locator includes: the shell body consists of a shell cover plate and a shell base; the improved shell is characterized in that a separation assembly is arranged on the shell base and comprises three groups of separation plates, the three groups of separation plates are fixedly mounted on the shell base, the number of each group of separation plates is two, a first mounting plate is fixedly mounted on the outer wall of one side, close to each other, of the two separation plates, and a second mounting plate is fixedly mounted on the two corresponding separation plates. The utility model provides an electric valve locator's heat dissipation casing has the heat dissipation function, and then can dispel the heat to the component to can avoid causing the advantage of damage to the component because of the high temperature.

Description

Heat dissipation shell of electropneumatic valve positioner

Technical Field

The utility model belongs to the technical field of the heat dissipation casing of electropneumatic valve locator, especially, relate to a heat dissipation casing of electropneumatic valve locator.

Background

The electro-pneumatic valve positioner is a main accessory of the regulating valve and is widely applied to a plurality of product fields. The electric valve positioner mainly comprises an electric control component and an instrument device, wherein the electric control component is usually installed in a closed shell which is formed by an upper shell and a lower shell through screw connection into a whole in order to realize the installation protection of the electric control component. However, the existing electric valve positioner shell is still poor in sealing and waterproof performance and installation convenience;

through retrieval, in the related technology, an electric valve positioner protective shell and an electric valve positioner thereof are disclosed, and the electric valve positioner protective shell comprises a shell base and a shell cover plate which are fastened into a whole through screws, and is provided with an internal installation space for installing electric control components of the electric valve positioner; the sealing device comprises a shell base, a shell cover plate, a sealing clamping groove and a sealing ring, wherein the four corners of the mounting end surface of the shell base are respectively provided with a mounting semicircular boss for arranging a screw mounting hole, the screw mounting hole is fixedly connected with the shell cover plate through a screw, and the sealing clamping groove is positioned on the outer side of the screw mounting hole and used for realizing the stable limiting of the sealing ring positioned in the sealing clamping groove; the utility model realizes the stable limit of the sealing ring, avoids the deviation of the sealing ring and ensures the long sealing and waterproof performance of the utility model;

on the other hand, the heat dissipation performance of the existing electric valve positioner shell is hardly considered, however, because a large number of electric control components are installed in the shell, when the temperature is too high, the components are easily damaged.

Therefore, there is a need to provide a new heat dissipating housing for an electro-pneumatic valve positioner to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a have the heat dissipation function, and then can come to dispel the heat to the component to can avoid causing the heat dissipation casing of the electric valve locator of damage to the component because of the high temperature.

In order to solve the technical problem, the utility model provides an electric valve positioner's heat dissipation casing includes: the shell body consists of a shell cover plate and a shell base;

be equipped with the partition subassembly on the casing base, the partition subassembly is including three division boards of group, and the equal fixed mounting of three division boards of group is on the casing base, the quantity of every division board of group is two, and two division boards are close to each other one side outer wall fixed mounting have first mounting panel, and equal fixed mounting has the second mounting panel on two division boards that correspond, one side and casing base fixed connection of division board are kept away from to the second mounting panel, the bottom of first mounting panel and second mounting panel all is equipped with the cold drawing

The shell comprises a shell base and is characterized in that a plurality of semiconductor refrigerating units are arranged on the shell base, each semiconductor refrigerating unit comprises a cold end radiator and a hot end radiator, a radiating fan is arranged on each hot end radiator, a heat insulation pad and a semiconductor refrigerating sheet are arranged between each cold end radiator and the corresponding hot end radiator, and the cold end radiators and the semiconductor refrigerating sheets are located in the shell base.

As a further scheme of the utility model, the outer wall fixed mounting of casing base has the shell, hot junction radiator and radiator fan are located the shell, a plurality of louvres have been seted up to one side outer wall of shell.

As a further scheme of the utility model, four fixed slots have been seted up at the top of casing base, two spacing slots have all been seted up to fixed slot's both sides inner wall, fixed mounting has four fixed inserts on the casing apron, the bottom of fixed insert extend to in the fixed slot and with fixed slot sliding connection, first cavity has been seted up on the fixed insert.

As a further scheme of the utility model, be equipped with stop gear on the fixed inserted block, stop gear is including four reset assembly, two triangle blocks, connecting rod and first installation piece, reset assembly is including spacing inserted block, arc block and first expanding spring, spacing inserted block slidable mounting is on one side outer wall of fixed inserted block, one side of spacing inserted block extend to in the spacing slot and with the inner wall sliding connection of spacing slot, one side that spacing slot was kept away from to spacing inserted block extends to in the first cavity, the arc block sets up in first cavity, arc block fixed mounting is on spacing inserted block, first expanding spring sliding sleeve is established on spacing inserted block, first expanding spring's one end and arc block fixed connection, first expanding spring's the other end and one side inner wall fixed connection of first cavity.

As a further aspect of the present invention, two triangular blocks are all disposed in the first cavity, the triangular blocks are adapted to the arc-shaped blocks, and the two triangular blocks are connected through the connecting rod, the first mounting block is fixedly disposed in the first cavity, the casing cover plate is provided with the driving assembly, the driving assembly comprises a second cavity, two second mounting blocks, a sleeve, a threaded rod, a first bevel gear and a rotating rod, the second cavity is disposed on the casing cover plate, the two second mounting blocks are fixedly disposed in the second cavity, the sleeve is rotatably disposed on the two second mounting blocks, the threaded rod is threadedly disposed on the sleeve, the bottom end of the threaded rod extends into the first cavity and is connected with the corresponding triangular blocks, the first bevel gear is fixedly disposed on the sleeve, the rotating rod is rotatably disposed on the casing cover plate, one end of the rotating rod extends into the second cavity, a second bevel gear is disposed in the second cavity, the second bevel gear is fixedly disposed on the rotating rod, and the second bevel gear is engaged with the first bevel gear.

As a further scheme of the utility model, the slip cap is equipped with the second expanding spring on the threaded rod, the bottom of second expanding spring and the three hornblocks fixed connection that correspond, the top of second expanding spring and the top inner wall fixed connection of first cavity, the slip cap is equipped with the third expanding spring on the connecting rod, the top and the first installation piece fixed connection of third expanding spring, the bottom and the three hornblocks fixed connection that correspond of third expanding spring.

Compared with the prior art, the utility model provides an electric valve positioner's heat dissipation casing has following beneficial effect:

1. the utility model has the advantages that the operation is simple by the matching of the separation component and the semiconductor refrigeration set, the shell body has the heat dissipation function, and further the element can be dissipated, thereby avoiding the damage to the element caused by overhigh temperature;

2. the utility model discloses a set up under second expanding spring, third expanding spring, stop gear and drive assembly's cooperation for easy operation can be convenient for carry out the dismouting to the casing main part fixed, and then can reach the advantage of saving time.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a semiconductor refrigeration unit according to the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

fig. 4 is an enlarged structural view of a portion B in fig. 3.

In the figure: 1. a housing main body; 100. a housing cover plate; 101. a housing base; 2. a partition plate; 3. a first mounting plate; 4. a cold plate; 5. a semiconductor refrigeration unit; 51. a cold side heat sink; 52. a hot end heat sink; 53. a heat-dissipating fan; 54. a heat insulating pad; 55. a semiconductor refrigeration sheet; 6. a housing; 7. fixing the slot; 8. fixing the inserting block; 9. limiting the inserting block; 10. an arc-shaped block; 11. a first extension spring; 12. a triangular block; 13. a connecting rod; 14. a first mounting block; 15. a second cavity; 16. a second mounting block; 17. a sleeve; 18. a threaded rod; 19. a first bevel gear; 20. a rotating rod; 21. a second bevel gear; 22. a second extension spring; 23. and a third extension spring.

Detailed Description

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a schematic view of a semiconductor refrigerating unit according to the present invention; FIG. 3 is an enlarged schematic view of portion A of FIG. 1; fig. 4 is an enlarged structural view of a portion B in fig. 3. The heat dissipation casing of electric valve positioner includes: the shell body 1, the shell body 1 is composed of a shell cover plate 100 and a shell base 101;

be equipped with on casing base 101 and separate the subassembly, separate the subassembly including three division boards 2 of group, the equal fixed mounting of three division boards 2 of group on casing base 101, the quantity of every division board 2 of group is two, and two division boards 2 one side outer wall fixed mounting that are close to each other have first mounting panel 3, and equal fixed mounting has the second mounting panel on two division boards 2 that correspond, one side and casing base 101 fixed connection of division board 2 are kept away from to the second mounting panel, the bottom of first mounting panel 3 and second mounting panel all is equipped with cold drawing 4

The shell base 101 is provided with a plurality of semiconductor refrigeration groups 5, each semiconductor refrigeration group 5 comprises a cold-end radiator 51 and a hot-end radiator 52, each hot-end radiator 52 is provided with a cooling fan 53, a heat insulation pad 54 and a semiconductor refrigeration sheet 55 are arranged between the cold-end radiator 51 and the hot-end radiator 52, and the cold-end radiator 51 and the semiconductor refrigeration sheet 55 are located in the shell base 101.

The outer wall of the shell base 101 is fixedly provided with a shell 6, the hot end radiator 52 and the heat dissipation fan 53 are positioned in the shell 6, and the outer wall of one side of the shell 6 is provided with a plurality of heat dissipation holes.

Four fixed slots 7 have been seted up at the top of casing base 101, two spacing slots have all been seted up to fixed slot 7's both sides inner wall, fixed mounting has four fixed inserted blocks 8 on the casing apron 100, the bottom of fixed inserted block 8 extend to in the fixed slot 7 and with fixed slot 7 sliding connection, first cavity has been seted up on the fixed inserted block 8.

Be equipped with stop gear on the fixed inserted block 8, stop gear is including four reset assembly, two triangle blocks 12, connecting rod 13 and first installation piece 14, reset assembly is including spacing inserted block 9, arc block 10 and first expanding spring 11, spacing inserted block 9 slidable mounting is on one side outer wall of fixed inserted block 8, one side of spacing inserted block 9 extend to in the spacing slot and with the inner wall sliding connection of spacing slot, one side that spacing slot was kept away from to spacing inserted block 9 extends to in the first cavity, arc block 10 sets up in the first cavity, arc block 10 fixed mounting is on spacing inserted block 9, first expanding spring 11 sliding sleeve is established on spacing inserted block 9, the one end and the arc block 10 fixed connection of first expanding spring 11, the other end and one side inner wall fixed connection of first cavity of first expanding spring 11.

Two triangle blocks 12 all set up in first cavity, triangle block 12 and arc 10 looks adaptations, and two triangle blocks 12 pass through connecting rod 13 and are connected, first installation piece 14 fixed mounting is in first cavity, be equipped with drive assembly on the casing apron 100, drive assembly installs on two second installation pieces 16, sleeve 17, threaded rod 18, first bevel gear 19 and bull stick 20 including second cavity 15, two second, second cavity 15 is seted up on casing apron 100, and two equal fixed mounting of second installation piece 16 are in second cavity 15, sleeve 17 rotates and installs on two second installation pieces 16, threaded rod 18 screw thread is installed on sleeve 17, the bottom of threaded rod 18 extends to in the first cavity and is connected with three triangle blocks 12 that correspond, first bevel gear 19 fixed mounting is on sleeve 17, bull stick 20 rotates and installs on casing apron 100, the one end of bull stick 20 extends to in second cavity 15, and second bevel gear 21 sets up in second cavity 15, first bevel gear 21 fixed mounting is on bull stick 20, first bevel gear 21 meshes with second bevel gear 19 looks.

Sliding sleeve is equipped with second expanding spring 22 on threaded rod 18, second expanding spring 22's bottom and the three hornblocks 12 fixed connection who corresponds, the top of second expanding spring 22 and the top inner wall fixed connection of first cavity, sliding sleeve is equipped with third expanding spring 23 on connecting rod 13, the top and the 14 fixed connection of first installation piece of third expanding spring 23, the bottom and the three hornblocks 12 fixed connection who corresponds of third expanding spring 23.

The utility model provides an electric valve positioner's heat dissipation casing's theory of operation as follows:

the first step is as follows: when the cooling device is used, electrical elements can be installed on the first installation plate 3 and the second installation plate, then the semiconductor refrigeration group 5 is electrified, so that cold air is produced and cooled through the semiconductor refrigeration sheet 55 and the cold end radiator 51, the cold plate 4 has a cold guide function, the electrical elements on the cold plate 4 and the second installation plate can be radiated, and the semiconductor refrigeration sheet 55 can be radiated through the cooling fan 53, the hot end radiator 52 and the radiating holes;

the second step: insert fixed inserted block 8 on casing apron 100 in fixed slot 7, then rotate bull stick 20 and operate, make it drive second bevel gear 21 through bull stick 20 and rotate, and under the meshing effect, then can drive first bevel gear 19 through second bevel gear 21 and rotate, drive sleeve 17 through first bevel gear 19 afterwards and rotate, and under the effect of screw thread, then can drive threaded rod 18 and remove, cause to drive corresponding triangle piece 12 through threaded rod 18 and remove, under the effect of connecting rod 13, then can drive corresponding triangle piece 12 and remove equally, consequently under the effect of two triangle pieces 12, then can come to extrude arc piece 10, cause arc piece 10 to drive spacing inserted block 9 and remove, make its spacing inserted block 9 insert in spacing slot, and then can reach the fixed effect to casing apron 100 and casing base 101.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and it is intended that the scope of the invention be defined by the appended claims and their equivalents and that all such modifications are intended to be encompassed by the scope of the invention as defined in the claims.

Claims

1. A heat dissipating housing for an electropneumatic valve positioner, comprising:

the shell body consists of a shell cover plate and a shell base;

the shell base is provided with a separation assembly, the separation assembly comprises three groups of separation plates, the three groups of separation plates are fixedly arranged on the shell base, the number of each group of separation plates is two, a first mounting plate is fixedly arranged on the outer wall of one side, close to each other, of each two separation plates, a second mounting plate is fixedly arranged on each two corresponding separation plates, one side, far away from the separation plates, of each second mounting plate is fixedly connected with the shell base, and cold plates are arranged at the bottoms of the first mounting plate and the second mounting plate;

2. The heat dissipating housing for an electrical valve positioner of claim 1, wherein: the outer wall of the shell base is fixedly provided with a shell, the hot end radiator and the cooling fan are located in the shell, and the outer wall of one side of the shell is provided with a plurality of cooling holes.

3. The heat dissipating housing for an electrical valve positioner of claim 1, wherein: four fixed slots are formed in the top of the shell base, two limiting slots are formed in the inner walls of the two sides of each fixed slot, four fixed inserting blocks are fixedly mounted on the shell cover plate, the bottoms of the fixed inserting blocks extend into the fixed slots and are in sliding connection with the fixed slots, and first cavities are formed in the fixed inserting blocks.

4. The heat dissipating housing of an electrical valve positioner of claim 3, wherein: be equipped with stop gear on the fixed inserted block, stop gear is including four reset assembly, two three hornblocks, connecting rod and first installation piece, reset assembly includes spacing inserted block, arc piece and first expanding spring, spacing inserted block slidable mounting is on one side outer wall of fixed inserted block, one side of spacing inserted block extend to in the spacing slot and with the inner wall sliding connection of spacing slot, one side that spacing slot was kept away from to spacing inserted block extends to in the first cavity, the arc piece sets up in the first cavity, arc piece fixed mounting is on spacing inserted block, first expanding spring sliding sleeve is established on spacing inserted block, first expanding spring's one end and arc piece fixed connection, first expanding spring's the other end and one side inner wall fixed connection of first cavity.

5. The heat dissipating housing of an electrical valve positioner of claim 4, wherein: two triangle blocks all set up in first cavity, three triangle blocks and arc piece looks adaptation, two triangle blocks pass through the connecting rod and are connected, first installation piece fixed mounting is in first cavity, be equipped with drive assembly on the casing apron, drive assembly is including second cavity, two second installation pieces, sleeve, threaded rod, first bevel gear and bull stick, the second cavity is seted up on the casing apron, and the equal fixed mounting of two second installation pieces is in the second cavity, the sleeve rotates and installs on two second installation pieces, threaded rod screw thread is installed on the sleeve, the bottom of threaded rod extends to in the first cavity and is connected with the triangle block that corresponds, first bevel gear fixed mounting is on the sleeve, the bull stick rotates and installs on the casing apron, the one end of bull stick extends to in the second cavity, and second bevel gear sets up in the second cavity, second bevel gear fixed mounting is on the bull stick, second bevel gear meshes with first bevel gear mutually.

6. The heat dissipating housing for an electrical valve positioner of claim 5 wherein: the threaded rod is equipped with the second expanding spring in the cover that slides, the bottom of second expanding spring and the three hornblocks fixed connection who corresponds, the top of second expanding spring and the top inner wall fixed connection of first cavity, the slip cover is equipped with the third expanding spring on the connecting rod, the top and the first installation piece fixed connection of third expanding spring, the bottom and the three hornblocks fixed connection who correspond of third expanding spring.