CN218455043U - Detachable connecting device of thermal vacuum tank secondary refrigerant and thermal vacuum tank - Google Patents
Detachable connecting device of thermal vacuum tank secondary refrigerant and thermal vacuum tank Download PDFInfo
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- CN218455043U CN218455043U CN202222293847.6U CN202222293847U CN218455043U CN 218455043 U CN218455043 U CN 218455043U CN 202222293847 U CN202222293847 U CN 202222293847U CN 218455043 U CN218455043 U CN 218455043U
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Abstract
The utility model provides a detachable connecting device of hot vacuum tank secondary refrigerant and hot vacuum tank belongs to space flight environmental simulation test equipment technical field. The detachable connecting device for the secondary refrigerant of the thermal vacuum tank comprises a secondary refrigerant pipeline, a secondary refrigerant connecting flange and a cabin penetrating flange of the thermal vacuum tank. One end of the secondary refrigerant pipeline is detachably connected with the temperature control unit of the thermal vacuum tank through a secondary refrigerant connecting flange; the other end of the secondary refrigerant pipeline is detachably connected with a secondary cooling plate of the hot vacuum tank through a hot vacuum tank cabin-penetrating flange. The hot vacuum tank comprises a detachable connecting device of the refrigerating medium of the hot vacuum tank. The secondary refrigerant pipeline is detachably loaded on the thermal vacuum tank in a detachable connection mode, so that the secondary refrigerant pipeline is convenient to detach, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to an aerospace environment simulation test equipment technical field especially relates to a detachable connecting device of thermal vacuum jar secondary refrigerant and thermal vacuum jar.
Background
With the continuous development of aerospace industry in China, the requirements on environmental simulation test testing of aerospace components are also continuously improved, which means that the types of products needing to be tested are continuously increased. Because the size, the weight and other performance testing characteristics of each test product are greatly different, the requirements on the size, the load bearing and other parameters of the cold plate corresponding to the test product are different, and the corresponding load bearing cold plate needs to be replaced when the test product is replaced every time. In the prior art, when a test product needs to be replaced, the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a detachable connecting device of hot vacuum jar secondary refrigerant and hot vacuum jar, it is through dismantling connected mode with secondary refrigerant pipeline detachably load in hot vacuum jar, the dismantlement of the secondary refrigerant pipeline of being convenient for, and is easy and simple to handle to be suitable for the practicality more.
In order to achieve the first objective, the present invention provides a detachable connecting device for coolant in a thermal vacuum tank, which comprises:
the utility model provides a detachable connecting device for secondary refrigerant of a thermal vacuum tank, which comprises a secondary refrigerant pipeline, a secondary refrigerant connecting flange and a cabin penetrating flange (2) of the thermal vacuum tank,
one end of the secondary refrigerant pipeline is detachably connected to a temperature control unit of the thermal vacuum tank through the secondary refrigerant connecting flange;
the other end of the secondary refrigerant pipeline is detachably connected with a secondary cooling plate of the thermal vacuum tank through the thermal vacuum tank cabin-penetrating flange (2).
The detachable connecting device for the secondary refrigerant of the thermal vacuum tank can further adopt the following technical measures.
Preferably, the coolant lines comprise a first section (16) of coolant lines, thermally insulating bellows (7), and a second section (9) of coolant lines,
one end of the first section (16) of the secondary refrigerant pipeline is detachably connected to a secondary cooling plate of the hot vacuum tank through the hot vacuum tank cabin-penetrating flange (2), and one end of the first section (16) of the secondary refrigerant pipeline is fixedly connected to one end of the heat insulation corrugated pipe (7);
one end of the secondary refrigerant pipeline second section (9) is fixedly connected to the other end of the heat insulation corrugated pipe (7), and the other end of the secondary refrigerant pipeline second section (9) is detachably connected to a temperature control unit of the thermal vacuum tank through the secondary refrigerant connecting flange.
Preferably, the first secondary refrigerant pipeline section (16) is provided with a second limiting step (12) at one end connected with the heat insulation corrugated pipe (7), the second secondary refrigerant pipeline section (9) is provided with a first limiting step (8) at one end connected with the heat insulation corrugated pipe (7), and the diameters of the first limiting step (8) and the second limiting step (12) are larger than the maximum pipe diameter of the heat insulation corrugated pipe (7), so that two ends of the heat insulation corrugated pipe (7) are limited and supported by the first limiting step (8) and the second limiting step (12).
Preferably, a second through hole (11) is formed in the hot vacuum tank cabin penetrating flange (2), and the secondary refrigerant pipeline is in clearance fit with the hot vacuum tank cabin penetrating flange (2) through the second through hole (11).
Preferably, a hot vacuum tank cabin-penetrating flange fixing groove (10) is formed in the right side face of the hot vacuum tank cabin-penetrating flange (2), a circumferential groove (6) is formed in the circumferential direction of the hot vacuum tank cabin-penetrating flange (2), and the hot vacuum tank cabin-penetrating flange is detachably connected to a cold carrying plate of the hot vacuum tank through the hot vacuum tank cabin-penetrating flange fixing groove (10) and the circumferential groove (6).
Preferably, the detachable connecting device for the refrigerating medium of the thermal vacuum tank further comprises a refrigerating medium connecting flange (1), the refrigerating medium connecting flange (1) is detachably connected to the left side surface of the cabin penetrating flange (2) of the thermal vacuum tank,
the center of the secondary refrigerant connecting flange (1) is provided with a first through hole (3), the first through hole (3) is a stepped hole, the aperture of a first section of hole of the stepped hole is matched with the outer diameter of the other end of the secondary refrigerant pipeline, the aperture of a second section of hole of the stepped hole is smaller than the inner diameter of the other end of the secondary refrigerant pipeline, a third limiting step is formed between the first section of hole and the second section of hole, and the pipe orifice of the other end of the secondary refrigerant pipeline abuts against the third limiting step.
Preferably, a first sealing ring groove (15) is arranged on the right side surface of the secondary refrigerant connecting flange (1).
Preferably, a second seal ring groove (5) is formed in the left side face of the hot vacuum tank cabin-penetrating flange (2), and the diameter of the second seal ring groove (5) is larger than that of the first seal ring groove (15).
Preferably, the cross section of the seal ring groove is a dovetail blind hole, and the initial opening size of the seal ring groove is smaller than the cut-off size of the opening of the seal ring groove.
Preferably, the cross-sectional diameter of the seal ring received into the seal ring groove is greater than the depth of the seal ring groove.
In order to achieve the second objective, the utility model provides a thermal vacuum tank's technical scheme as follows:
the utility model provides a hot vacuum tank includes the utility model provides a detachable connecting device of hot vacuum tank secondary refrigerant.
In the detachable connecting device for the secondary refrigerant of the thermal vacuum tank and the thermal vacuum tank, the secondary refrigerant pipeline is connected with the temperature control unit of the thermal vacuum tank and the secondary cold plate of the thermal vacuum tank by flanges, so that the secondary refrigerant pipeline is convenient to disassemble; meanwhile, no cutting work is carried out, so that no metal chips are generated, and the problem of damage of the precise electromechanical element caused by the metal chips is solved.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic perspective view of a detachable connection device for coolant of a thermal vacuum tank according to an embodiment of the present invention in one direction (where, a coolant connection flange is not shown);
fig. 2 is a schematic perspective view of a detachable coolant connection device for a thermal vacuum tank according to an embodiment of the present invention in another direction (where, the coolant connection flange is not shown);
fig. 3 is a top view of a detachable coolant connection device for a thermal vacuum tank according to an embodiment of the present invention (in which, a coolant connection flange is not shown);
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3 (wherein the insulating bellows are not cut and the coolant connecting flange is not shown);
description of the reference numerals:
1-secondary refrigerant sealing flange, 2-hot vacuum tank penetrating flange, 3-first through hole, 4-supporting table, 5-second sealing ring groove, 6-circumferential groove, 7-adiabatic corrugated pipe, 8-first limiting step, 9-secondary refrigerant pipeline second section, 10-hot vacuum tank penetrating flange fixing groove, 11-second through hole, 12-second limiting step, 13-third through hole, 14-fixing bolt, 15-first sealing ring groove and 16-secondary refrigerant pipeline first section.
Detailed Description
In view of this, the utility model provides a detachable connecting device of hot vacuum tank secondary refrigerant and hot vacuum tank, it is through dismantling connected mode with secondary refrigerant pipeline detachably load in hot vacuum tank, the dismantlement of the secondary refrigerant pipeline of being convenient for, it is easy and simple to handle to be suitable for the practicality more.
The utility model people, after hard and great efforts, find out that,
if the secondary refrigerant connecting device adopts a welding mode, the original bearing cold plate can be taken out of the hot vacuum tank only by cutting off the secondary refrigerant pipeline when the bearing cold plate is replaced, and the secondary refrigerant pipeline needs to be welded again after the new bearing cold plate is replaced, so that the workload of personnel is greatly increased. In addition, the original cold plate for bearing is disassembled by cutting off the pipeline, so that metal fragments are generated and attached to the inner wall of the pipeline, if the pipeline is not cleaned completely, the metal fragments are remained in the pipeline of the system, and when the equipment is operated again, the metal fragments enter the precise electromechanical elements along with the secondary refrigerant, so that the precise electromechanical elements are damaged.
To further illustrate the technical means and effects of the present invention adopted to achieve the objectives of the present invention, the following detailed description will be given to the specific embodiments, structures, features and effects of the detachable connection device for thermal vacuum tank coolant according to the present invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The term "and/or" herein is only one kind of association relationship describing the association object, and means that three relationships may exist, for example, a and/or B, and is specifically understood as follows: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Detachable connecting device for secondary refrigerant of thermal vacuum tank
Referring to the attached drawings 1-4, the detachable connecting device for the secondary refrigerant of the thermal vacuum tank provided by the embodiment of the invention comprises a secondary refrigerant pipeline, a secondary refrigerant connecting flange and a cabin penetrating flange 2 of the thermal vacuum tank. One end of the secondary refrigerant pipeline is detachably connected with the temperature control unit of the thermal vacuum tank through a secondary refrigerant connecting flange. The other end of the secondary refrigerant pipeline is detachably connected with a secondary cooling plate of the thermal vacuum tank through a thermal vacuum tank cabin-penetrating flange 2.
In the detachable connecting device for the secondary refrigerant of the thermal vacuum tank, the secondary refrigerant pipeline is connected with the temperature control unit of the thermal vacuum tank and the secondary cold plate of the thermal vacuum tank by flanges, so that the secondary refrigerant pipeline is convenient to detach; meanwhile, no cutting work is carried out, so that no metal chips are generated, and the problem of damage of the precise electromechanical element caused by the metal chips is solved.
Wherein the coolant lines comprise a first coolant line section 16, thermally insulating bellows 7, and a second coolant line section 9. One end of the first section 16 of the secondary refrigerant pipeline is detachably connected to the cold carrying plate of the thermal vacuum tank through the hot vacuum tank cabin-penetrating flange 2, and one end of the first section 16 of the secondary refrigerant pipeline is fixedly connected to one end of the heat insulation corrugated pipe 7. One end of the secondary refrigerant pipeline second section 9 is fixedly connected to the other end of the heat insulation corrugated pipe 7, and the other end of the secondary refrigerant pipeline second section 9 is detachably connected to a temperature control unit of the thermal vacuum tank through a secondary refrigerant connecting flange. In this case, the coolant travels a short distance through the first coolant line section 16 and the second coolant line section 9, resulting in less energy loss, while the insulating bellows 7 is made of a thermally insulating material, resulting in less energy loss despite a long distance of travel of the coolant through the insulating bellows 7, thereby reducing the overall energy loss. In this embodiment, the material of the heat insulation corrugated pipe 7 may be made of glass fiber, asbestos, rock wool, silicate, aerogel felt, double-layer vacuum pipe, or the like.
The first section 16 of the secondary refrigerant pipeline is provided with a second limiting step 12 at one end connected with the heat insulation corrugated pipe 7, the second section 9 of the secondary refrigerant pipeline is provided with a first limiting step 8 at one end connected with the heat insulation corrugated pipe 7, and the diameters of the first limiting step 8 and the second limiting step 12 are larger than the maximum pipe diameter of the heat insulation corrugated pipe 7, so that the two ends of the heat insulation corrugated pipe 7 are limited and supported by the first limiting step 8 and the second limiting step 12. In this case, the isolation of the insulating bellows 7 from the first coolant line segment 16 and the second coolant line segment 9 can be avoided.
The hot vacuum tank cross-cabin flange 2 is provided with a second through hole 11, and the secondary refrigerant pipeline is in clearance fit with the hot vacuum tank cross-cabin flange 2 through the second through hole 11. Under the condition, the adaptation between the secondary refrigerant pipeline and the hot vacuum tank cabin-penetrating flange 2 can be wider, and the loading of the secondary refrigerant pipelines with various pipe diameters can be adapted.
Wherein, be equipped with hot vacuum tank and wear cabin flange fixed slot 10 on the right flank of hot vacuum tank crossing cabin flange 2, the circumference that hot vacuum tank crossed cabin flange 2 is equipped with circumferential groove 6, and hot vacuum tank crosses cabin flange and passes through hot vacuum tank and wear cabin flange fixed slot 10, circumferential groove 6 detachably and connect in the cold-carrying board of hot vacuum tank. In this case, the connection with the hot vacuum tank can be realized more accurately through the hot vacuum tank bulkhead flange fixing groove 10 and the circumferential groove 6.
The detachable connecting device for the refrigerating medium of the thermal vacuum tank further comprises a refrigerating medium connecting flange 1, and the refrigerating medium connecting flange 1 is detachably connected to the left side face of the cabin penetrating flange 2 of the thermal vacuum tank. A first through hole 3 is formed in the center of the secondary refrigerant connecting flange 1, the first through hole 3 is a stepped hole, the aperture of a first section of hole of the stepped hole is matched with the outer diameter of the other end of the secondary refrigerant pipeline, the aperture of a second section of hole of the stepped hole is smaller than the inner diameter of the other end of the secondary refrigerant pipeline, a third limiting step is formed between the first section of hole and the second section of hole, and the pipe orifice of the other end of the secondary refrigerant pipeline abuts against the third limiting step. In this case, the coolant connection flange 1 is detachably fixed together by a plurality of fixing bolts 10, and the coolant pipeline can be limited by the stepped holes, so that the connection strength of the coolant pipeline is ensured.
Wherein, a first sealing ring groove 15 is arranged on the right side surface of the secondary refrigerant connecting flange 1. In this case, the sealing rings are loaded in the first sealing ring grooves 15, so that the secondary refrigerant can be prevented from leaking from the third limiting step and the contact surface between the secondary refrigerant connecting flange 1 and the hot vacuum tank penetration flange 2 in sequence.
Wherein, a second sealing ring groove 5 is arranged on the left side surface of the hot vacuum tank cabin-penetrating flange 2. The diameter of the second seal ring groove 5 is larger than that of the first seal ring groove 15. In this case, the sealing ring is loaded in the second sealing ring groove 5, so that two seals can be formed together with the sealing ring loaded in the first sealing ring groove 15, and the secondary refrigerant can be further prevented from leaking from the contact surface between the third limiting step, the secondary refrigerant connecting flange 1 and the thermal vacuum tank bulkhead flange 2 in sequence.
The cross section of the seal ring groove is a dovetail blind hole, the opening starting size of the seal ring groove is smaller than the opening ending size of the seal ring groove, and the diameter of the end face of the seal ring accommodated to the seal ring groove is larger than the opening starting size of the seal ring groove and smaller than the opening ending size of the seal ring groove. In this case, since the seal ring is usually made of a material with pressure variability such as rubber, silica gel, latex, etc., the cross section of the seal ring groove is a dovetail blind hole, the opening starting size of the seal ring groove is smaller than the opening ending size of the seal ring groove, and the diameter of the end face of the seal ring accommodated in the seal ring groove is larger than the opening starting size of the seal ring groove and smaller than the opening ending size of the seal ring groove, so that the opening starting part of the seal ring groove can have a stopping effect on the seal ring loaded therein after the seal ring is loaded in the seal ring groove without an external force, and the seal ring can be prevented from falling off from the seal ring groove at will.
The diameter of the cross section of the sealing ring accommodated in the sealing ring groove is larger than the depth of the sealing ring groove, under the condition, after the sealing ring is loaded in the sealing ring groove, a part of the sealing ring is still exposed on a loading plane, and after the secondary refrigerant connecting flange 1 is detachably connected to the left side surface of the hot vacuum tank cabin penetrating flange 2, the sealing ring still partially realizes radial sealing in a pressed state, so that the sealing effect is better.
Hot vacuum tank
The utility model provides a hot vacuum tank includes the utility model provides a detachable connecting device of hot vacuum tank secondary refrigerant.
In the thermal vacuum tank provided by the utility model, the secondary refrigerant pipeline is connected with the temperature control unit of the thermal vacuum tank and the secondary cooling plate of the thermal vacuum tank by flanges, so that the secondary refrigerant pipeline is convenient to disassemble; meanwhile, no cutting work is carried out, so that no metal chips are generated, and the problem of damage of the precise electromechanical element caused by the metal chips is solved.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A detachable connecting device for a secondary refrigerant of a thermal vacuum tank is characterized by comprising a secondary refrigerant pipeline, a secondary refrigerant connecting flange and a cabin penetrating flange (2) of the thermal vacuum tank,
one end of the secondary refrigerant pipeline is detachably connected to a temperature control unit of the thermal vacuum tank through the secondary refrigerant connecting flange;
the other end of the secondary refrigerant pipeline is detachably connected to a secondary cooling plate of the thermal vacuum tank through the thermal vacuum tank cabin-penetrating flange (2).
2. The detachable connecting device for the coolant of the hot vacuum tank as claimed in claim 1, wherein the coolant pipeline comprises a first section (16) of the coolant pipeline, an adiabatic corrugated pipe (7) and a second section (9) of the coolant pipeline,
one end of the first section (16) of the secondary refrigerant pipeline is detachably connected to a secondary cooling plate of the hot vacuum tank through the hot vacuum tank cabin-penetrating flange (2), and one end of the first section (16) of the secondary refrigerant pipeline is fixedly connected to one end of the heat insulation corrugated pipe (7);
one end of the secondary refrigerant pipeline second section (9) is fixedly connected to the other end of the heat insulation corrugated pipe (7), and the other end of the secondary refrigerant pipeline second section (9) is detachably connected to a temperature control unit of the thermal vacuum tank through the secondary refrigerant connecting flange.
3. The detachable connecting device for the cold carrier of the thermal vacuum tank according to claim 2, wherein the first section (16) of the cold carrier pipeline is provided with a second limiting step (12) at the end connected with the heat-insulating corrugated pipe (7), the second section (9) of the cold carrier pipeline is provided with a first limiting step (8) at the end connected with the heat-insulating corrugated pipe (7), and the diameters of the first limiting step (8) and the second limiting step (12) are larger than the maximum pipe diameter of the heat-insulating corrugated pipe (7), so that the two ends of the heat-insulating corrugated pipe (7) are limited and supported by the first limiting step (8) and the second limiting step (12).
4. The detachable connecting device for the coolant of the hot vacuum tank as claimed in claim 1, wherein the tank penetrating flange (2) is provided with a second through hole (11), and the coolant pipeline is in clearance fit with the tank penetrating flange (2) through the second through hole (11).
5. The detachable connecting device of hot vacuum tank secondary refrigerant according to claim 1, wherein a hot vacuum tank bulkhead flange fixing groove (10) is formed in the right side face of the hot vacuum tank bulkhead flange (2), a circumferential groove (6) is formed in the circumferential direction of the hot vacuum tank bulkhead flange (2), and the hot vacuum tank bulkhead flange is detachably connected to the cold carrying plate of the hot vacuum tank through the hot vacuum tank bulkhead flange fixing groove (10) and the circumferential groove (6).
6. The detachable connecting device for the coolant of the thermal vacuum tank as claimed in claim 1, further comprising a coolant connecting flange (1), wherein the coolant connecting flange (1) is detachably connected to the left side of the penetrating flange (2) of the thermal vacuum tank,
the center of the secondary refrigerant connecting flange (1) is provided with a first through hole (3), the first through hole (3) is a stepped hole, the aperture of a first section of hole of the stepped hole is matched with the outer diameter of the other end of the secondary refrigerant pipeline, the aperture of a second section of hole of the stepped hole is smaller than the inner diameter of the other end of the secondary refrigerant pipeline, a third limiting step is formed between the first section of hole and the second section of hole, and the pipe orifice of the other end of the secondary refrigerant pipeline abuts against the third limiting step.
7. The detachable connecting device for the cold-carrying medium of the hot vacuum tank as claimed in claim 6, wherein the first sealing ring groove (15) is arranged on the right side surface of the cold-carrying medium connecting flange (1).
8. The detachable connecting device for the hot vacuum tank refrigerating medium as claimed in claim 7, wherein a second sealing ring groove (5) is formed in the left side face of the hot vacuum tank cabin-penetrating flange (2), and the diameter of the second sealing ring groove (5) is larger than that of the first sealing ring groove (15).
9. The detachable connecting device for cold carriers of a hot vacuum tank as claimed in claim 7 or 8, wherein the cross section of the sealing ring groove is a dovetail blind hole, and the initial size of the opening of the sealing ring groove is smaller than the cut-off size of the opening of the sealing ring groove.
10. The detachable connecting device for cold carrier of thermal vacuum tank as claimed in claim 7 or 8, wherein the diameter of the cross section of the sealing ring received in the sealing ring groove is larger than the depth of the sealing ring groove.
11. A hot vacuum tank comprising the removable connection means for coolant in a hot vacuum tank as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222293847.6U CN218455043U (en) | 2022-08-30 | 2022-08-30 | Detachable connecting device of thermal vacuum tank secondary refrigerant and thermal vacuum tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222293847.6U CN218455043U (en) | 2022-08-30 | 2022-08-30 | Detachable connecting device of thermal vacuum tank secondary refrigerant and thermal vacuum tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218455043U true CN218455043U (en) | 2023-02-07 |
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ID=85125243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222293847.6U Active CN218455043U (en) | 2022-08-30 | 2022-08-30 | Detachable connecting device of thermal vacuum tank secondary refrigerant and thermal vacuum tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218455043U (en) |
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2022
- 2022-08-30 CN CN202222293847.6U patent/CN218455043U/en active Active
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