CN218831096U - Heat dissipation shell of electropneumatic valve positioner - Google Patents

Abstract

The utility model provides a heat dissipation housing of an electric valve positioner. The heat dissipation housing of the electric valve positioner includes: a housing body, the housing body is composed of a housing cover plate and a housing base; a partition assembly is provided on the housing base, and the partition assembly includes three groups The partition boards, the three groups of partition boards are all fixedly installed on the base of the shell, the number of each group of partition boards is two, and the outer wall of the side of the two partition boards close to each other is fixedly installed with the first installation board, The second mounting boards are fixedly installed on the corresponding two partition boards. The heat dissipation shell of the electric valve positioner provided by the utility model has the heat dissipation function, and furthermore, it can dissipate heat to the components, thereby avoiding the advantage of damage to the components due to excessive temperature.

Description

Heat dissipation shell of electric valve positioner

technical field

The utility model belongs to the technical field of heat dissipation shells of electric valve positioners, in particular to a heat dissipation shell of electric valve positioners.

Background technique

Electric valve positioners are the main accessories of control valves and are widely used in many product fields. The electric valve positioner mainly includes electronic control components and instrumentation devices, among which, in order to realize the installation and protection of the electronic control components, the electronic control components are usually installed in a closed box that is connected by screws as a whole by the upper shell and the lower shell. inside the shell. However, the existing electrical valve positioner housings are still poor in terms of sealing and waterproof performance and installation convenience;

After retrieval, in the related art, there is disclosed a protective housing for an electric valve positioner and its electric valve positioner, including a shell base and a shell cover that are fastened together by screws, and has a protective shell for installing the electric valve positioner. In the internal installation space of the electronic control components, a sealing groove is provided around the installation end surface of the housing base and the housing cover, and a sealing ring is provided in the sealing groove; wherein, the four corners of the installation end surface of the housing base are respectively provided for setting The screw mounting hole is installed with a semicircular boss. The screw mounting hole is tightly connected with the shell cover plate through screws, and the sealing card groove is located outside the screw mounting hole, which is used to realize the stable limit of the sealing ring located in the sealing card groove ; The utility model realizes the stable limit of the sealing ring, avoids its deviation, and can ensure the long-term sealing and waterproof performance of the utility model;

On the other hand, the heat dissipation performance of the existing electric valve positioner casing is hardly considered. However, since there are many electronic control components installed in the casing, when the temperature is too high, it is easy to cause damage to the components.

Therefore, it is necessary to provide a new heat dissipation housing for an electric valve positioner to solve the above technical problems.

Utility model content

The technical problem solved by the utility model is to provide a heat dissipation housing of the electric valve positioner which has a heat dissipation function and can further dissipate heat to the components, thereby avoiding damage to the components due to excessive temperature.

In order to solve the above technical problems, the heat dissipation housing of the electric valve positioner provided by the utility model includes: a housing body, the housing body is composed of a housing cover plate and a housing base;

The housing base is provided with a partition assembly, the partition assembly includes three sets of partition plates, and the three sets of partition plates are all fixedly installed on the shell base, the number of each set of partition plates is two, two A first mounting plate is fixedly installed on the outer wall of the side close to each other, and a second mounting plate is fixedly installed on the corresponding two separating plates, and the side of the second mounting plate far away from the dividing plate is connected with the shell. The body base is fixedly connected, and the bottom of the first mounting plate and the second mounting plate are equipped with a cold plate

A plurality of semiconductor cooling groups are arranged on the base of the housing, and the semiconductor cooling group includes a cold end radiator and a hot end radiator. The hot end radiator is provided with a cooling fan, and the cold end radiator and the hot end radiator A thermal insulation pad and a semiconductor cooling sheet are arranged between the hot end radiators, and the cold end radiator and the semiconductor cooling sheet are located in the housing base.

As a further solution of the present invention, a housing is fixedly installed on the outer wall of the base of the housing, the hot end radiator and cooling fan are located in the housing, and a plurality of cooling holes are opened on one side of the outer wall of the housing.

As a further solution of the present utility model, four fixing slots are opened on the top of the base of the housing, and two limit slots are opened on the inner walls of both sides of the fixing slots, and the cover plate of the housing is fixed Four fixed plugs are installed, the bottoms of the fixed plugs extend into the fixed slots and are slidably connected with the fixed slots, and a first cavity is opened on the fixed plugs.

As a further solution of the present utility model, a limit mechanism is provided on the fixed plug, and the limit mechanism includes four reset components, two triangular blocks, a connecting rod and a first installation block, and the reset component includes a limited Position insert block, arc block and first telescopic spring, the limit insert block is slidably installed on the outer wall of one side of the fixed insert block, and one side of the limit insert block extends into the limit slot and is in contact with the limit The inner wall of the positioning slot is slidably connected, and the side of the limiting inserting block away from the limiting slot extends into the first cavity, the arc-shaped block is arranged in the first cavity, and the arc-shaped block is fixedly installed On the limiting plug, the first telescopic spring is slidably sleeved on the limiting plug, one end of the first telescopic spring is fixedly connected to the arc block, and the other end of the first telescopic spring is connected to the first One side inner wall of the cavity is fixedly connected.

As a further solution of the present utility model, two triangular blocks are arranged in the first cavity, the triangular blocks are adapted to the arc block, the two triangular blocks are connected by connecting rods, and the first mounting block is fixedly installed In the first cavity, the housing cover is provided with a drive assembly, the drive assembly includes a second cavity, two second mounting blocks, a sleeve, a threaded rod, a first bevel gear and a rotary rod, the second cavity is opened on the cover plate of the housing, the two second mounting blocks are fixedly installed in the second cavity, the sleeve is rotatably mounted on the two second mounting blocks, the thread The rod is threadedly mounted on the sleeve, the bottom end of the threaded rod extends into the first cavity and is connected with the corresponding triangular block, the first bevel gear is fixedly mounted on the sleeve, and the rotating rod is rotatably mounted On the housing cover plate, one end of the rotating rod extends into the second cavity, and the second bevel gear is arranged in the second cavity, and the second bevel gear is fixedly installed on the rotating rod. The second bevel gear meshes with the first bevel gear.

As a further solution of the present utility model, the sliding sleeve on the threaded rod is provided with a second telescopic spring, the bottom end of the second telescopic spring is fixedly connected to the corresponding triangular block, and the top end of the second telescopic spring is connected to the first The top inner wall of the cavity is fixedly connected, and the third telescopic spring is slidingly sleeved on the connecting rod, the top end of the third telescopic spring is fixedly connected with the first mounting block, and the bottom end of the third telescopic spring is connected with the corresponding Triangular blocks are fixedly connected.

Compared with related technologies, the heat dissipation housing of the electric valve positioner provided by the utility model has the following beneficial effects:

1. The utility model makes the operation simple through the cooperation of the partition assembly and the semiconductor refrigeration group, and enables the main body of the shell to have a heat dissipation function, and then can dissipate heat to the components, thereby avoiding damage to the components due to excessive temperature ;

2. With the cooperation of the second telescopic spring, the third telescopic spring, the limit mechanism and the driving assembly, the utility model makes the operation simple and can facilitate the disassembly and assembly of the main body of the housing, thereby achieving the advantage of saving time .

Description of drawings

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of semiconductor refrigeration group in the utility model;

Fig. 3 is the schematic diagram of the enlarged structure of part A in Fig. 1;

FIG. 4 is a schematic diagram of an enlarged structure of part B in FIG. 3 .

In the figure: 1. Shell main body; 100, shell cover plate; 101, shell base; 2, partition plate; 3, first mounting plate; 4, cold plate; 5, semiconductor refrigeration unit; 51, cold end Radiator; 52, hot end radiator; 53, heat dissipation fan; 54, heat insulation pad; 55, semiconductor cooling sheet; 6, shell; 7, fixed slot; 8, fixed insert block; 9, limit insert block; 10. Arc block; 11. First telescopic spring; 12. Triangular block; 13. Connecting rod; 14. First mounting block; 15. Second cavity; 16. Second mounting block; 17. Sleeve; 18 19, the first bevel gear; 20, the rotating rod; 21, the second bevel gear; 22, the second telescopic spring; 23, the third telescopic spring.

Detailed ways

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4 in combination, wherein Fig. 1 is a schematic structural diagram of the utility model; Fig. 2 is a schematic structural diagram of a semiconductor refrigeration unit in the utility model; Fig. 3 is a schematic diagram of part A in Fig. 1 Schematic diagram of the enlarged structure; FIG. 4 is a schematic diagram of the enlarged structure of part B in FIG. 3 . The heat dissipation housing of the electric valve positioner includes: a housing main body 1, the housing main body 1 is composed of a housing cover plate 100 and a housing base 101;

The housing base 101 is provided with a partition assembly, the partition assembly includes three groups of partition plates 2, and the three groups of partition plates 2 are all fixedly installed on the housing base 101, and the number of each group of partition plates 2 There are two, and the outer wall of the side of the two partition plates 2 close to each other is fixedly installed with the first mounting plate 3, and the corresponding two partition plates 2 are fixedly mounted with the second mounting plate, and the second mounting plate is far away from the One side of the partition plate 2 is fixedly connected to the housing base 101, and the bottoms of the first mounting plate 3 and the second mounting plate are provided with a cold plate 4

The shell base 101 is provided with a plurality of semiconductor cooling groups 5, the semiconductor cooling group 5 includes a cold end radiator 51 and a hot end radiator 52, and the hot end radiator 52 is provided with a cooling fan 53, A thermal insulation pad 54 and a semiconductor cooling fin 55 are provided between the cold end radiator 51 and the hot end radiator 52 , and the cold end radiator 51 and the semiconductor cooling fin 55 are located in the housing base 101 .

The outer wall of the housing base 101 is fixed with a casing 6 , the hot end radiator 52 and the cooling fan 53 are located in the casing 6 , and a plurality of cooling holes are opened on one side of the outer wall of the casing 6 .

The top of the housing base 101 is provided with four fixing slots 7, the inner walls of both sides of the fixing slots 7 are provided with two limit slots, and the housing cover 100 is fixedly installed with four The fixed plug 8, the bottom of the fixed plug 8 extends into the fixed slot 7 and is slidably connected with the fixed slot 7, and the fixed plug 8 is provided with a first cavity.

The fixed plug 8 is provided with a limit mechanism, and the limit mechanism includes four reset components, two triangular blocks 12, a connecting rod 13 and a first installation block 14, and the reset component includes a limit plug 9 , an arc-shaped block 10 and a first telescopic spring 11, the limit plug 9 is slidably installed on one side of the fixed plug 8 on the outer wall, one side of the limit plug 9 extends into the limit slot and Slidingly connected with the inner wall of the limit slot, the limit insert 9 extends into the first cavity from the side away from the limit slot, the arc block 10 is arranged in the first cavity, and the arc The shaped block 10 is fixedly installed on the limit insert block 9, the first telescopic spring 11 is slidably sleeved on the limit insert block 9, and one end of the first telescopic spring 11 is fixedly connected with the arc block 10, the The other end of the first telescopic spring 11 is fixedly connected to one side inner wall of the first cavity.

The two triangular blocks 12 are all arranged in the first cavity, the triangular blocks 12 are adapted to the arc block 10, the two triangular blocks 12 are connected by a connecting rod 13, and the first mounting block 14 is fixedly installed on the second In a cavity, the housing cover plate 100 is provided with a driving assembly, and the driving assembly includes a second cavity 15, two second mounting blocks 16, a sleeve 17, a threaded rod 18, a first tapered Gear 19 and rotating rod 20, the second cavity 15 is opened on the housing cover plate 100, the two second mounting blocks 16 are fixedly installed in the second cavity 15, and the sleeve 17 is rotatably installed on the two On the second mounting block 16, the threaded rod 18 is threadedly mounted on the sleeve 17, the bottom end of the threaded rod 18 extends into the first cavity and connects with the corresponding triangular block 12, the first cone The bevel gear 19 is fixedly installed on the sleeve 17, the rotating rod 20 is rotatably installed on the housing cover plate 100, and one end of the rotating rod 20 extends into the second cavity 15, and the second bevel gear 21 is arranged on the In the second cavity 15 , the second bevel gear 21 is fixedly installed on the rotating rod 20 , and the second bevel gear 21 is meshed with the first bevel gear 19 .

The threaded rod 18 is slidingly sleeved with a second telescopic spring 22, and the bottom end of the second telescopic spring 22 is fixedly connected with the corresponding triangular block 12, and the top end of the second telescopic spring 22 is connected with the first cavity. The top inner wall is fixedly connected, and the third telescopic spring 23 is slidably sleeved on the connecting rod 13, and the top end of the third telescopic spring 23 is fixedly connected with the first mounting block 14, and the bottom end of the third telescopic spring 23 is connected with the first mounting block 14. The corresponding triangular blocks 12 are fixedly connected.

The working principle of the heat dissipation housing of the electric valve positioner provided by the utility model is as follows:

The first step: when in use, electrical components can be installed on the first mounting plate 3 and the second mounting plate, and then the semiconductor cooling group 5 is energized to make cold air through the semiconductor cooling sheet 55 and the cold end radiator 51 cooling, and the cold plate 4 has a cooling function, so that the electrical components on the cold plate 4 and the second mounting plate can be radiated heat, and the semiconductor can be cooled by the heat dissipation fan 53, the hot end radiator 52 and the cooling holes. The refrigerating sheet 55 dissipates heat;

The second step: Insert the fixed plug 8 on the housing cover plate 100 into the fixed slot 7, and then turn the rotating rod 20 to operate, so that it drives the second bevel gear 21 to rotate through the rotating rod 20, and Under the effect of meshing, the first bevel gear 19 can be driven to rotate through the second bevel gear 21, and then the sleeve 17 can be driven to rotate through the first bevel gear 19, and under the action of the screw thread, then The threaded rod 18 can be driven to move, so that the corresponding triangular block 12 is driven to move by the threaded rod 18, and under the action of the connecting rod 13, the corresponding triangular block 12 can be driven to move, so the two triangular blocks 12 Under the action of the action, the arc block 10 can be squeezed, causing the arc block 10 to drive the limit insert 9 to move, so that the limit insert 9 can be inserted into the limit slot, and then the shell can be reached. The fixing effect of the body cover plate 100 and the housing base 101.

It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described clearly. On the premise that those skilled in the art understand the principles of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system. The control method of the application document is automatically controlled by the controller, and the control circuit of the controller is passed Simple programming by those skilled in the art can be realized;

The standard parts used in it can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding in the prior art. , the machinery, parts and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles are known to those skilled in the art through technical manuals or known through conventional experimental methods.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , Replacement and modification or direct or indirect application, in other relevant technical fields, the scope of the present invention is defined by the appended claims and their equivalents, all of which are equally included in the patent protection scope of the present invention.

Claims (6)

1. A cooling housing for an electric valve positioner, characterized in that it comprises: The main body of the housing, the main body of the housing is composed of a housing cover plate and a housing base; The housing base is provided with a partition assembly, the partition assembly includes three sets of partition plates, and the three sets of partition plates are all fixedly installed on the shell base, the number of each set of partition plates is two, two A first mounting plate is fixedly installed on the outer wall of the side close to each other, and a second mounting plate is fixedly installed on the corresponding two separating plates, and the side of the second mounting plate far away from the dividing plate is connected with the shell. The body base is fixedly connected, and the bottoms of the first mounting plate and the second mounting plate are provided with cold plates; A plurality of semiconductor cooling groups are arranged on the base of the housing, and the semiconductor cooling group includes a cold end radiator and a hot end radiator. The hot end radiator is provided with a cooling fan, and the cold end radiator and the hot end radiator A thermal insulation pad and a semiconductor cooling sheet are arranged between the hot end radiators, and the cold end radiator and the semiconductor cooling sheet are located in the housing base. 2. The heat dissipation housing of the electric valve positioner according to claim 1, wherein a housing is fixedly installed on the outer wall of the base of the housing, the hot end radiator and the cooling fan are located in the housing, and the housing One side of the outer wall is provided with a plurality of cooling holes. 3. The heat dissipation housing of the electric valve positioner according to claim 1, characterized in that: the top of the housing base is provided with four fixing slots, and the inner walls of both sides of the fixing slots are provided with two four limit slots, four fixed inserts are fixedly installed on the cover of the housing, the bottom of the fixed inserts extends into the fixed slots and is slidably connected with the fixed slots, and the fixed inserts are provided with There is a first cavity. 4. The heat dissipation housing of the electric valve positioner according to claim 3, characterized in that: the fixed plug is provided with a limit mechanism, and the limit mechanism includes four reset components, two triangular blocks, The connecting rod and the first installation block, the reset assembly includes a limit plug, an arc block and a first telescopic spring, the limit plug is slidably installed on one side of the outer wall of the fixed plug, the limit plug One side of the block extends into the limit slot and is slidably connected with the inner wall of the limit slot, and the side of the limit insert away from the limit slot extends into the first cavity, and the arc-shaped block is set In the first cavity, the arc-shaped block is fixedly installed on the limit insert block, the first telescopic spring is slidably sleeved on the limit insert block, and one end of the first telescopic spring is fixed to the arc-shaped block connected, the other end of the first telescopic spring is fixedly connected to one inner wall of the first cavity. 5. The heat dissipation housing of the electric valve positioner according to claim 4, characterized in that: two triangular blocks are arranged in the first cavity, the triangular blocks are adapted to the arc block, and the two triangular blocks The blocks are connected by connecting rods, the first mounting block is fixedly installed in the first cavity, the housing cover is provided with a driving assembly, and the driving assembly includes a second cavity, two second mounting blocks , a sleeve, a threaded rod, a first bevel gear and a rotating rod, the second cavity is opened on the cover plate of the housing, and the two second mounting blocks are fixedly installed in the second cavity, the sleeve Rotationally mounted on two second mounting blocks, the threaded rod is threadedly mounted on the sleeve, the bottom end of the threaded rod extends into the first cavity and connects with the corresponding triangular block, the first tapered The gear is fixedly installed on the sleeve, and the rotating rod is rotatably installed on the cover plate of the housing. One end of the rotating rod extends into the second cavity, and the second bevel gear is arranged in the second cavity. The second bevel gear is fixedly installed on the rotating rod, and the second bevel gear meshes with the first bevel gear. 6. The heat dissipation housing of the electric valve positioner according to claim 5, wherein a second telescopic spring is slidingly sleeved on the threaded rod, and the bottom end of the second telescopic spring is connected to the corresponding triangular block Fixedly connected, the top end of the second telescopic spring is fixedly connected with the top inner wall of the first cavity, the third telescopic spring is slidably sleeved on the connecting rod, and the top end of the third telescopic spring is fixed to the first mounting block connected, the bottom end of the third telescopic spring is fixedly connected with the corresponding triangular block.

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