CN214746559U

CN214746559U - Overlapping type rapid temperature change test box

Info

Publication number: CN214746559U
Application number: CN202120971205.XU
Authority: CN
Inventors: 黄良如; 郭跃华
Original assignee: Sitoma Test Instrument Guangdong Co ltd
Current assignee: Sitoma Test Instrument Guangdong Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-16
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a quick temperature change proof box of cascade, the power distribution box comprises a box body, be provided with in the box and place chamber and inner chamber, be provided with first compressor and second compressor in the inner chamber respectively, and inner chamber one side is provided with the condenser, one side of condenser is provided with the heat dissipation fan, it is provided with first evaporimeter and second evaporimeter respectively to lie in placing chamber both sides position in the box, through the corresponding intercommunication of pipeline between first compressor, second compressor and first evaporimeter, the second evaporimeter, be linked together through the pipeline between first evaporimeter, the second evaporimeter and the condenser, be linked together through the pipeline between condenser and first compressor, the second compressor. The utility model discloses in, through the condenser structure setting of the two compressors of setting, the double evaporation ware cooperation double pipeline, can effectively realize stable overlapping formula cooling work, when can guaranteeing that the refrigeration cooling effect is even stable, also can promote refrigeration efficiency.

Description

Overlapping type rapid temperature change test box

Technical Field

The utility model relates to a proof box technical field especially relates to a quick temperature change proof box of cascade type.

Background

The rapid temperature change test box is suitable for testing various performance indexes of products under the condition of rapid temperature change of aerospace products, information electronic instruments, materials, electricians, electronic products and various electronic components;

the existing rapid temperature change test box has the advantages that the temperature change structure is mostly set by a single refrigerating system, the refrigerating system is required to be higher in the setting mode, when the temperature change requirement is rapidly met, the output power needs to be increased by the common operation structure, the temperature change requirement is met, the structure operation workload is large, the operation loss is high, and therefore the condition that the service life of the system structure is short is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cascade type rapid temperature change test box.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cascade type rapid temperature change test box comprises a box body, wherein a placing cavity and an inner cavity are arranged in the box body, a first compressor and a second compressor are respectively arranged in the inner cavity, a condenser is arranged on one side in the inner cavity, a heat dissipation fan is arranged on one side of the condenser, a first evaporator and a second evaporator are respectively arranged on two sides of the placing cavity in the box body, the first compressor, the second compressor, the first evaporator and the second evaporator are correspondingly communicated through pipelines, the first evaporator, the second evaporator and the condenser are communicated through pipelines, the condenser, the first compressor and the second compressor are communicated through pipelines, an electric heating wire is arranged on one side of the placing cavity in the box body, a groove is formed in the top of the inner wall of the placing cavity, a circulating fan is arranged in the groove, and a vent is arranged at the bottom of the placing cavity, the box body is rotatably connected with a sealing door at a position corresponding to the placing cavity, and a control box is arranged on one side of the outer surface of the box body.

Furthermore, a drying filter is arranged on a pipeline between the condenser and the first compressor and between the condenser and the second compressor, and the condenser is arranged in a double-pipeline mode.

Furthermore, a protective net is arranged on one side of the outer surface of the box body corresponding to the inner cavity.

Furthermore, a switch valve is arranged in the box body corresponding to the ventilation opening.

Furthermore, the outer surface of the sealing door is respectively provided with a glass window and a handle.

Furthermore, the outer surface of the control box is respectively provided with a display screen and an operation button.

The utility model has the advantages that:

this quick warm proof box that becomes of overlapping formula, through the condenser structure setting of the double compressor that sets up, the double evaporation ware cooperation double pipeline, can effectively realize stable overlapping formula cooling work, can guarantee when the refrigeration cooling effect is even stable, also can promote refrigeration efficiency, promote the utilization ratio of refrigerant, can realize the effect of rapid warm change moreover when having the low temperature demand, alleviate the refrigerating system's of single setting work load, reduce the running loss of structure, extension overall structure's life.

Drawings

Fig. 1 is a front view of the internal structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

Illustration of the drawings:

1. a box body; 2. a placement chamber; 3. an inner cavity; 4. a first compressor; 5. a second compressor; 6. drying the filter; 7. a condenser; 8. a heat dissipation fan; 9. a protective net; 10. a first evaporator; 11. a second evaporator; 12. a groove; 13. a circulation fan; 14. an electric heating wire; 15. a vent; 16. a sealing door; 17. and a control box.

Detailed Description

Fig. 1 to 4 show that, a cascade type rapid temperature change test chamber is involved, comprising a chamber 1, a placing chamber 2 and an inner chamber 3 are arranged in the chamber 1, a first compressor 4 and a second compressor 5 are respectively arranged in the inner chamber 3, a condenser 7 is arranged at one side in the inner chamber 3, a heat radiation fan 8 is arranged at one side of the condenser 7, a first evaporator 10 and a second evaporator 11 are respectively arranged at two sides of the placing chamber 2 in the chamber 1, the first compressor 4 and the second compressor 5 are correspondingly communicated with the first evaporator 10 and the second evaporator 11 through pipelines, the first evaporator 10 and the second evaporator 11 are communicated with the condenser 7 through pipelines, the condenser 7 is communicated with the first compressor 4 and the second compressor 5 through pipelines, an electric heating wire 14 is arranged at one side of the placing chamber 2 in the chamber 1, a groove 12 is arranged at the top of the inner wall of the placing chamber 2, a circulating fan 13 is arranged in the groove 12, a vent 15 is arranged at the bottom of the placing cavity 2, a sealing door 16 is rotatably connected to the position, corresponding to the placing cavity 2, on the box body 1, and a control box 17 is arranged on one side of the outer surface of the box body 1.

When using overlapping formula quick temperature change proof box, through

first compressor

4, 5 simultaneous workings of second compressor, can compress and carry out the heat transfer in the entering evaporimeter with the refrigerant structure simultaneously, can carry out refrigeration work to placing chamber 2, the setting of cooperation condenser 7 simultaneously can circulate refrigeration, two compressors, the setting of two evaporimeter structure cooperation double pipeline also can promote refrigeration efficiency when guaranteeing that the refrigeration effect is even stable, when having the low temperature requirement, can reach the refrigeration requirement rapidly, alleviate refrigeration structure's the load bearing simultaneously, the loss is reduced, the life of extension structure, can carry out the rapid heating operation through 14 structures of heating wire.

In the further scheme, be provided with drier-filter 6 on the pipeline between condenser 7 and first compressor 4, the second compressor 5, and condenser 7 is the double-pipe-line setting, set up through the structure and stably carry out drying and filtering to the refrigerant, double-pipe-line condenser 7 can conveniently dock with two sets of compressors and evaporation structure simultaneously, thereby realize stable cascade refrigeration work, can effectively promote the speed and the efficiency of quick temperature change, guarantee stable invariant and homogeneity, and can reduce the refrigerating system's of single setting work load, the life of extension structure.

In a further scheme, a protective net 9 is arranged at a position, corresponding to the inner cavity 3, on one side of the outer surface of the box body 1, and the arrangement of the protective net 9 can protect the structure in the inner cavity 3.

In a further scheme, a switch valve is arranged in the box body 1 corresponding to the vent 15, the vent 15 can ensure that air flow can circularly flow, and the switch valve can conveniently control the vent 15.

In a further scheme, the outer surface of the sealing door 16 is provided with a glass window and a handle respectively, the sealing door 16 can play a stable protection role, the handle can be opened and closed conveniently, and the glass window can be used for visual observation work in a test.

In a further scheme, the outer surface of the control box 17 is respectively provided with a display screen and an operation button, and the control box 17 can be conveniently arranged to operate and control.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a quick temperature change proof box of cascade, includes box (1), its characterized in that: a placing cavity (2) and an inner cavity (3) are arranged in the box body (1), a first compressor (4) and a second compressor (5) are respectively arranged in the inner cavity (3), a condenser (7) is arranged on one side in the inner cavity (3), a heat dissipation fan (8) is arranged on one side of the condenser (7), a first evaporator (10) and a second evaporator (11) are respectively arranged on two sides of the placing cavity (2) in the box body (1), the first compressor (4), the second compressor (5), the first evaporator (10) and the second evaporator (11) are correspondingly communicated through pipelines, the first evaporator (10), the second evaporator (11) and the condenser (7) are communicated through pipelines, and the condenser (7) is communicated with the first compressor (4) and the second compressor (5) through pipelines, the heating device is characterized in that a heating wire (14) is arranged on one side of the placing cavity (2) in the box body (1), a groove (12) is formed in the top of the inner wall of the placing cavity (2), a circulating fan (13) is arranged in the groove (12), a ventilation opening (15) is formed in the bottom of the placing cavity (2), a sealing door (16) is rotatably connected with the corresponding position of the placing cavity (2) on the box body (1), and a control box (17) is arranged on one side of the outer surface of the box body (1).

2. The cascade type rapid temperature change test chamber according to claim 1, characterized in that: and a drying filter (6) is arranged on a pipeline between the condenser (7) and the first compressor (4) and between the condenser (7) and the second compressor (5), and the condenser (7) is arranged in a double-pipeline mode.

3. The cascade type rapid temperature change test chamber according to claim 1, characterized in that: a protective net (9) is arranged on one side of the outer surface of the box body (1) corresponding to the inner cavity (3).

4. The cascade type rapid temperature change test chamber according to claim 1, characterized in that: and a switch valve is arranged in the box body (1) corresponding to the ventilation opening (15).

5. The cascade type rapid temperature change test chamber according to claim 1, characterized in that: the outer surface of the sealing door (16) is respectively provided with a glass window and a handle.

6. The cascade type rapid temperature change test chamber according to claim 1, characterized in that: the outer surface of the control box (17) is provided with a display screen and an operation button respectively.