CN216727300U

CN216727300U - Walk-in type high-low temperature damp-heat test box rear cover plate heat dissipation structure

Info

Publication number: CN216727300U
Application number: CN202122613437.0U
Authority: CN
Inventors: 林湘云; 罗海文; 谢美荣
Original assignee: Lianhe Testing And Research Institute Guangzhou Co ltd
Current assignee: Lianhe Testing And Research Institute Guangzhou Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-06-14
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a walk-in high-low temperature damp-heat test box rear cover plate heat dissipation structure which comprises a rear cover plate main body, a condenser and a bracket, wherein a vacuum inner layer attached to the inner wall of a test box is arranged on the rear cover plate main body, a heat dissipation assembly is arranged on the rear cover plate main body and the vacuum inner layer through heat dissipation grooves, the heat dissipation effect of the rear cover plate assembled on the test box is improved through the heat dissipation assembly, the bracket for installing electrical equipment is arranged on the vacuum inner layer of the test box in an embedded mode of the rear cover plate, the electrical equipment is installed through the bracket, heat generated during operation of the electrical equipment is dissipated in time, the electrical equipment is directly overhauled through detachment of the rear cover plate, the electrical equipment in the test box is overhauled conveniently, and the difficulty in overhauling the electrical equipment in the test box is reduced.

Description

Walk-in type high-low temperature damp-heat test box rear cover plate heat dissipation structure

Technical Field

The utility model belongs to the technical field of high-low temperature damp-heat test boxes, and particularly relates to a walk-in type high-low temperature damp-heat test box rear cover plate heat dissipation structure.

Background

The test box is a general term of products in the environmental test industry, simulates a natural climate environment in an effective space range, the low-temperature control mode of the high-low temperature damp-heat test box is as follows: the refrigeration cycle adopts a reverse Carif cycle, which consists of two isothermal processes and two adiabatic processes, the process is as follows: the refrigerant is compressed to a higher pressure through the compressor in an adiabatic way, the work is consumed to increase the exhaust temperature, then the refrigerant is subjected to heat exchange with surrounding media through the condenser in an isothermal way to transfer heat to the surrounding media, the high-temperature resistance and the low-temperature humidity and heat control of the electric elements in the test chamber are poor, and the electric elements need to be independently arranged in a heat dissipation and heat insulation space, so that the internal space of the test chamber is greatly reduced, when the test box is overhauled, the electric elements can be leaked only after other components in the test box are disassembled, and great inconvenience is brought to the overhaul of the test box.

The utility model provides a walk-in high-low temperature damp-heat test box rear cover plate with a heat dissipation structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a walk-in high-low temperature damp-heat test box rear cover plate heat dissipation structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a walk-in type high-low temperature damp-heat test box rear cover plate heat dissipation structure comprises a rear cover plate main body, a condenser and a bracket, wherein a vacuum inner layer attached to the inner wall of a test box is arranged on the rear cover plate main body, an outer ring attached to the outer wall of the test box is arranged on the rear cover plate main body, the outer ring is arranged outside the vacuum inner layer, and heat dissipation grooves communicated with each other are formed in the lower parts of the vacuum inner layer and the rear cover plate main body;

the heat dissipation assembly comprises a condenser and a heat exchange cooling pipe, a water inlet pipe and a water outlet pipe of the condenser are respectively connected with a first connecting pipe and a second connecting pipe which are connected with two ends of the heat exchange cooling pipe, the first connecting pipe, the second connecting pipe and the heat exchange cooling pipe are arranged in a heat dissipation groove, a heat dissipation plate attached to the outer wall of the heat exchange cooling pipe is arranged on the inner wall of the heat dissipation groove, heat dissipation fins are arranged on the heat dissipation plate, a cover plate is fixedly arranged at an opening of the heat dissipation groove through screws, and the condenser is arranged on the cover plate and arranged outside the cover plate;

the bracket is fixedly arranged on the outer wall of the vacuum inner layer, the bottom end of the vacuum inner layer is provided with an inclined plate for supporting the bottom of the bracket, and the inner wall of the vacuum inner layer is provided with a top head which is supported in a telescopic manner through a telescopic structure.

Furthermore, a rubber sealing ring arranged at the left end of the vacuum inner layer is arranged on the outer wall of the vacuum inner layer, and a rubber sealing ring II arranged at the left end of the inner wall of the outer ring is arranged on the inner wall of the outer ring.

After the back shroud main part passes through the back wall of vacuum inlayer embedding test box, the outer lane is to the outer wall cladding of test box, makes the back shroud main part be centre gripping parcel form through vacuum inlayer and outer lane to the rear of test box, and vacuum inlayer and outer lane are closely laminated through the inner wall and the outer wall of rubber seal and rubber seal two and test box back wall respectively to ensure the effect to test box inner seal.

Furthermore, the outer wall of the rear cover plate main body is provided with a T-shaped sliding groove, and the rear cover plate main body is provided with a locking clamping plate in a sliding mode through the T-shaped sliding groove.

After back shroud main part and proof box fixed mounting, T type spout slides and installs the locking cardboard, and the locking cardboard is the U type and clamps at the top of proof box, and the height that highly is T type draw-in groove to proof box top of locking cardboard, the width that locks the cardboard is the width on proof box top, makes the one end card that locking cardboard and T type draw-in groove are relative on the place ahead top of proof box.

Furthermore, a metal heat conduction column transversely penetrating through the vacuum inner layer is arranged on the rear cover plate main body, and a rubber heat conduction column is arranged at the left end of the metal heat conduction column.

The end of the rubber heat conduction column is contradicted with the electrical equipment in the test box along with the installation of back shroud main part, and when reinforcing the electrical equipment, the rubber heat conduction column of rubber structure has certain pliability, avoids causing the injury to the electrical equipment, and the metal heat conduction column is used for accepting and deriving the heat that the rubber heat conduction column derived to the notice that the rubber heat conduction column supported to the back shroud main part.

Furthermore, a sealing groove with a sealing ring is arranged at the position, corresponding to the water inlet pipe and the water outlet pipe, of the cover plate, and the sealing groove is arranged on the inner wall of the cover plate.

The sealing washer is located the apron inner wall through the setting of seal groove, wears to establish sealedly on the apron to inlet tube and outlet pipe, keeps the radiating effect in the radiating groove.

Furthermore, the periphery of the cover plate attached to the radiating groove is provided with a rubber pad which is inclined outwards and thickened.

The rubber pad is used for being fixed with the back shroud main part through the screw to apron and radiating groove, is sealed contact between the inner wall of the periphery of apron and radiating groove.

Furthermore, the cover plate is provided with a heat dissipation plate clamping groove which is used for clamping the tail end of the heat dissipation plate and is recessed into the cover plate.

The heating panel draw-in groove is when the apron is detained to the radiating groove, and the end card of heating panel is gone into inside the heating panel draw-in groove, when injecing the position of apron and radiating groove butt joint, the heating panel is derived to the heat of accepting to the apron, through the supplementary heat transfer cooling tube cooling of apron cooling.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the walk-in high-low temperature damp-heat test box rear cover plate heat dissipation structure, the vacuum inner layer is arranged on the rear cover plate main body, the vacuum inside the vacuum inner layer has a certain heat insulation effect and is used for isolating the temperature inside the test box from the outside, the internal air pressure is higher than the external air pressure when the test box operates, so that the pressure is applied from the inside to the outside, and the buffer space is increased by applying the pressure outwards through the arrangement of the vacuum inner layer;

2. the upper and lower parts of the vacuum inner layer are provided with brackets which are used for installing a compressor running in a test box or other electrical equipment which is not resistant to high temperature, the inclined plate at the bottom of the bracket supports and reinforces the bottom of the bracket, so that the supporting force of the bracket on the assembly of the electrical equipment is improved, and the electrical equipment is arranged on the brackets on the inner wall of the rear cover plate main body, so that the electrical equipment can be conveniently overhauled by disassembling the rear cover plate main body when the electrical equipment is damaged, and the overhauling operation of the electrical equipment is facilitated;

3. vacuum inlayer communicates with each other with back shroud main part lower part and sets up the radiating groove, and set up the heat transfer cooling tube in the radiating groove, the operation of condenser exports output tube to after heat transfer cooling intraductal water extraction and cooling, export to the heat transfer cooling tube once more through the output tube, keep the temperature in the radiating groove through the heat transfer cooling pump, because the compressor of proof box operation or other high temperature resistant electrical equipment install on the bracket, and the bracket sets up two terminal surfaces of back shroud main part with the structure that the radiating groove is relative, directly cool down the heat dissipation to electrical equipment through the radiating groove, ensure the radiating effect to electrical equipment, thereby improve electrical equipment's life.

Drawings

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

FIG. 2 is a schematic view of the locking clip and the heat sink assembly of the present invention being disassembled from the main body of the back cover plate;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is an enlarged view of the portion B of the present invention;

FIG. 5 is a cross-sectional view of a heat sink of the present invention;

FIG. 6 is a schematic view of the connection of the heat exchange cooling pipe of the present invention.

In the figure: 1. a rear cover plate main body; 2. a condenser; 3. a bracket; 4. a vacuum inner layer; 5. an outer ring; 6. A heat sink; 7. a first connecting pipe; 8. a second connecting pipe; 9. a heat exchange cooling tube; 10. a heat dissipation plate; 11. a cover plate; 12. a sloping plate; 13. ejecting the head; 14. a rubber seal ring; 15. a rubber sealing ring II; 16. a T-shaped chute; 17. locking the clamping plate; 18. a metal heat-conducting post; 19. a rubber heat-conducting column; 20. a water inlet pipe; 21. a water outlet pipe; 22. a sealing groove; 23. a rubber pad; 24. a heat dissipation plate clamping groove; 25. and heat dissipation fins.

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.

The utility model provides a walk-in high-low temperature damp-heat test box rear cover plate heat dissipation structure as shown in figures 1-6, which comprises a rear cover plate main body 1, a heat dissipation assembly and a bracket 3, wherein a vacuum inner layer 4 attached to the inner wall of a test box is arranged on the rear cover plate main body 1, an outer ring 5 attached to the outer wall of the test box is arranged on the rear cover plate main body 1, the outer ring 5 is arranged outside the vacuum inner layer 4, a rubber sealing ring 14 arranged at the left end of the vacuum inner layer 4 is arranged on the outer wall of the vacuum inner layer 4, and a rubber sealing ring II 15 arranged at the left end of the inner wall of the outer ring 5 is arranged on the inner wall of the outer ring 5. After back shroud main part 1 passes through the back wall of vacuum inlayer 4 embedding proof box, outer lane 5 is to the outer wall cladding of proof box, makes back shroud main part 1 pass through vacuum inlayer 4 and outer lane 5 to the rear of proof box and be centre gripping parcel form, and vacuum inlayer 4 and outer lane 5 are closely laminated through the inner wall and the outer wall of rubber seal 14 and two 15 and proof box back walls respectively to ensure the effect to proof box inner seal. The outer wall of the rear cover plate main body 1 is provided with a T-shaped sliding groove 16, and the rear cover plate main body 1 is provided with a locking clamping plate 17 in a sliding mode through the T-shaped sliding groove 16. After back shroud main part 1 and proof box fixed mounting, T type spout 16 slides and installs locking cardboard 17, and locking cardboard 17 is the U type and clamps at the top of proof box, and the height that highly is T type spout 16 to the proof box top of locking cardboard 17, and the width of locking cardboard 17 is the width on proof box top, makes locking cardboard 17 and the relative one end card of T type spout 16 on the place ahead top of proof box. The vacuum inner layer 4 and the lower part of the rear cover plate main body 1 are provided with communicated heat dissipation grooves 6;

radiator unit includes condenser 2 and heat transfer cooling tube 9, inlet tube 20 and the outlet pipe 21 of condenser 2 are connected with connecting pipe 7 and connecting pipe two 8 that are connected with heat transfer cooling tube 9 both ends respectively, and in connecting pipe 7, connecting pipe two 8 and heat transfer cooling tube 9 located radiating groove 6, heat transfer cooling tube 9 was the bow form and locates inside the radiating groove 6, the 6 inner walls of radiating groove are equipped with the heating panel 10 with the laminating of heat transfer cooling tube 9 outer wall, are equipped with heat radiation fins 25 on the heating panel 10, the opening part of radiating groove 6 is equipped with and is equipped with apron 11 through the fix with screw, be equipped with the heating panel draw-in groove 24 to the terminal joint of heating panel 10 and recess apron 11 on the apron 11. When the cover plate 11 is buckled to the heat dissipation groove 6, the tail end of the heat dissipation plate 10 is clamped into the heat dissipation plate clamping groove 24, the butt joint position of the cover plate 11 and the heat dissipation groove 6 is limited, the heat dissipation plate 10 conducts the received heat to the cover plate 11, and the cover plate 11 assists the heat exchange cooling pipe 9 to cool;

condenser 2 locates on apron 11 and locates the outside of apron 11, it is equipped with the seal groove 22 that has the built-in sealing washer to correspond inlet tube 20 and outlet pipe 21 department of wearing to establish on the apron 11, and seal groove 22 is located on the apron 11 inner wall. The sealing ring is arranged on the inner wall of the cover plate 11 through the sealing groove 22, and seals the water inlet pipe 20 and the water outlet pipe 21 on the cover plate 11 in a penetrating way, so that the heat dissipation effect in the heat dissipation groove 6 is kept. And a rubber pad 23 which is inclined outwards and thickened is arranged on the periphery of the joint of the cover plate 11 and the heat dissipation groove 6. The rubber pad 23 is used for sealing contact between the periphery of the cover plate 11 and the inner wall of the heat dissipation groove 6 when the cover plate 11 and the heat dissipation groove 6 are fixed with the rear cover plate main body 1 through screws;

the bracket 3 is fixedly arranged on the outer wall of the vacuum inner layer 4, the bottom end of the vacuum inner layer 4 is provided with an inclined plate 12 supporting the bottom of the bracket 3, and the inner wall of the vacuum inner layer 4 is provided with a top 13 supported by a telescopic structure in a telescopic way.

The rear cover plate main body 1 is provided with a metal heat conduction column 18 transversely penetrating through the vacuum inner layer 4, the left end of the metal heat conduction column 18 is provided with a rubber heat conduction column 19, and the penetrating positions of the metal heat conduction column 18 and the vacuum inner layer 4 are in a sealing state. The end of rubber heat conduction post 19 is contradicted with the interior electrical equipment of proof box along with the installation of back shroud main part 1, in the time of electrical equipment reinforcement, rubber structure's rubber heat conduction post 19 has certain pliability, avoid causing the injury to electrical equipment, metal heat conduction post 18 is used for accepting and deriving to the heat that rubber heat conduction post 19 derived to the notice that rubber heat conduction post 19 supported to back shroud main part 1, metal heat conduction post 18 and vacuum inlayer 4 contact position are encapsulated situation.

The walking-in type high-low temperature damp-heat test box rear cover plate heat dissipation structure is characterized in that a heat dissipation groove 6 is formed in a rear cover plate main body 1 to install a heat exchange cooling pipe 9, a bracket 3 for installing electrical equipment is arranged at a position, opposite to the heat dissipation groove 6, of the rear cover plate main body 1 to fix the rear cover plate main body, the bracket 3 is used for installing electrical equipment with poor heat resistance, a top head 13 abuts against the outer wall of the electrical equipment through extension of a telescopic structure, the bracket 3 is used for fixing and assembling the electrical equipment, an inclined plate 12 supports the bottom of the bracket 3 in an inclined mode, the supporting force of the bracket 3 for assembling the electrical equipment is improved, heat generated by operation of the electrical equipment is directly cooled and dissipated through a heat dissipation plate 10 and a heat dissipation fin 25, the service life of the electrical equipment is effectively prolonged, the electrical equipment is arranged on the bracket 3 on the inner wall of the rear cover plate main body 1, and the electrical equipment can be conveniently overhauled through disassembly of the rear cover plate main body 1 when the electrical equipment is damaged, the maintenance operation of the electrical equipment is facilitated;

because the test box is inside to be sealed state in the operation process, just can fine simulate out natural climate temperature, back shroud main part 1 is the centre gripping form to the opening part at test box rear through the cooperation of vacuum inlayer 4 and outer lane 5, and rubber seal 14 through the outer wall of vacuum inlayer 4 and rubber seal two 15 of the 5 inner walls of outer lane are respectively to vacuum inlayer 4 and test box rear inner wall, outer lane 5 is closely laminated with test box rear outer wall and is sealed, it is fixed with the test box to back shroud main part 1 through locking structures such as bolts once more, thereby the inside sealed effect of back shroud main part 1 to the test box has been ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a walk-in high low temperature damp and hot test box back shroud heat radiation structure, includes back shroud main part (1), condenser (2), bracket (3), radiator unit, its characterized in that: the rear cover plate main body (1) is provided with a vacuum inner layer (4) attached to the inner wall of the test box, the rear cover plate main body (1) is provided with an outer ring (5) attached to the outer wall of the test box, the outer ring (5) is arranged outside the vacuum inner layer (4), and the lower parts of the vacuum inner layer (4) and the rear cover plate main body (1) are provided with communicated heat dissipation grooves (6);

the heat dissipation assembly comprises a condenser (2) and a heat exchange cooling pipe (9), a water inlet pipe (20) and a water outlet pipe (21) of the condenser (2) are respectively connected with a first connecting pipe (7) and a second connecting pipe (8) which are connected with two ends of the heat exchange cooling pipe (9), the first connecting pipe (7), the second connecting pipe (8) and the heat exchange cooling pipe (9) are arranged in a heat dissipation groove (6), a heat dissipation plate (10) attached to the outer wall of the heat exchange cooling pipe (9) is arranged on the inner wall of the heat dissipation groove (6), heat dissipation fins (25) are arranged on the heat dissipation plate (10), a cover plate (11) is fixedly arranged at an opening of the heat dissipation groove (6) through screws, and the condenser (2) is arranged on the cover plate (11) and is arranged outside the cover plate (11);

the bracket (3) is fixedly arranged on the outer wall of the vacuum inner layer (4), the bottom end of the vacuum inner layer (4) is provided with an inclined plate (12) supporting the bottom of the bracket (3), and the inner wall of the vacuum inner layer (4) is provided with a top (13) which is supported in a telescopic manner through a telescopic structure.

2. The walk-in high-low temperature damp-heat test box back cover plate heat dissipation structure of claim 1, wherein: the vacuum sealing device is characterized in that a rubber sealing ring (14) arranged at the left end of the vacuum inner layer (4) is arranged on the outer wall of the vacuum inner layer (4), and a rubber sealing ring II (15) arranged at the left end of the inner wall of the outer ring (5) is arranged on the inner wall of the outer ring (5).

3. The walk-in high-low temperature damp-heat test box back cover plate heat dissipation structure of claim 1, wherein: the outer wall of the rear cover plate main body (1) is provided with a T-shaped sliding groove (16), and the rear cover plate main body (1) is provided with a locking clamping plate (17) in a sliding mode through the T-shaped sliding groove (16).

4. The walk-in high-low temperature damp-heat test box back cover plate heat dissipation structure of claim 1, wherein: the rear cover plate main body (1) is provided with a metal heat conduction column (18) transversely penetrating through the vacuum inner layer (4), and the left end of the metal heat conduction column (18) is provided with a rubber heat conduction column (19).

5. The walk-in high-low temperature damp-heat test box back cover plate heat dissipation structure of claim 1, wherein: the cover plate (11) is provided with a sealing groove (22) with a built-in sealing ring at the penetrating position corresponding to the water inlet pipe (20) and the water outlet pipe (21), and the sealing groove (22) is arranged on the inner wall of the cover plate (11).

6. The walk-in high-low temperature damp-heat test box back cover plate heat dissipation structure of claim 1, wherein: and an outer inclined rubber pad (23) is arranged on the periphery of the cover plate (11) attached to the heat dissipation groove (6).

7. The rear cover plate heat dissipation structure of the walk-in high-low temperature wet heat test chamber as claimed in claim 1, wherein: the cover plate (11) is provided with a heat dissipation plate clamping groove (24) which is used for clamping the tail end of the heat dissipation plate (10) and is recessed into the cover plate (11).