CN214620242U - Refrigerating system suitable for double-layer high-low temperature test chamber - Google Patents
Refrigerating system suitable for double-layer high-low temperature test chamber Download PDFInfo
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- CN214620242U CN214620242U CN202120334561.0U CN202120334561U CN214620242U CN 214620242 U CN214620242 U CN 214620242U CN 202120334561 U CN202120334561 U CN 202120334561U CN 214620242 U CN214620242 U CN 214620242U
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Abstract
The utility model discloses a refrigerating system who is fit for double-deck high low temperature test case, including refrigeration subassembly, first evaporimeter, second evaporimeter, first solenoid valve and second solenoid valve, the refrigeration subassembly is connected with first evaporimeter through first solenoid valve, and the refrigeration subassembly passes through the second solenoid valve to be connected with the second evaporimeter, and first evaporimeter is located first box, and the second evaporimeter is located the second box, and first box and second box set up side by side from top to bottom in double-deck high low temperature test case. The utility model discloses double-deck high low temperature test case, control system control solenoid's break-make and then control refrigerating system's operation realizes that one set of refrigerating system can refrigerate to two independent boxes, and two test cases can work but can not mutual interference simultaneously, fully excavates the utilization ratio of box, improves refrigerating system's utilization ratio, and refrigerating system control reduces the manufacturing cost of test case simultaneously simply, reaches the purpose of energy saving.
Description
Technical Field
The utility model relates to a proof box field especially relates to a refrigerating system who is fit for double-deck high low temperature test case.
Background
The high-low temperature test box is suitable for high-temperature and low-temperature reliability tests of industrial products. The performance indexes of parts and materials of related products such as electronics, electricians, automobiles, motorcycles, aerospace, ships, weapons, universities, scientific research institutions and the like are tested under the condition of high-temperature and low-temperature cyclic change.
When a low-temperature test is performed in the high-low temperature test box, a refrigeration system is needed, and the refrigeration system is a system for transferring heat from a substance (or environment) with higher temperature to a substance (or environment) with lower temperature by using external energy. The working principle of the device is that heat exchange is carried out through state change. The existing two-box type high-low temperature test box has the problems that the cost of the test box is high, the system control is complex and the energy consumption is high because each box body in the test box is independently provided with a refrigerating system.
The above disadvantages need to be improved.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a refrigerating system who is fit for double-deck high low temperature test case.
The utility model discloses technical scheme as follows:
the utility model provides a refrigerating system who is fit for double-deck high low temperature test chamber, includes refrigeration subassembly, first evaporimeter, second evaporimeter, first solenoid valve and second solenoid valve, the refrigeration subassembly passes through first solenoid valve with first evaporimeter is connected, the refrigeration subassembly passes through the second solenoid valve with the second evaporimeter is connected, first evaporimeter is located the first box, the second evaporimeter is located the second box, first box with the second box sets up side by side from top to bottom in double-deck high low temperature test chamber, still be provided with heating device, control system and power supply system in the double-deck high low temperature test chamber, heating device, refrigerating system respectively with control system electric connection.
According to above scheme the utility model discloses, its characterized in that, refrigeration assembly includes compressor, condenser, precooler, oil separator and reservoir, the precooler the condenser the oil separator the compressor pass through the pipe connection between reservoir and the evaporimeter, the reservoir respectively with first evaporimeter with the second evaporimeter is connected.
According to the above scheme the utility model discloses, a serial communication port, first box with all be provided with the sample frame in the second box, the sample frame with correspond and be provided with thermal-insulated foaming board between the box, be located the evaporimeter is installed to one side of sample frame with heating device.
According to the above scheme the utility model discloses, a serial communication port, one side of first box with pressure relief device and blast apparatus are installed respectively to one side of second box, pressure relief device includes protection casing, pressure release hole and baffle, evenly is provided with a plurality of pressure release holes respectively at the both ends of protection casing, and the baffle setting is in the below of protection casing, be equipped with the blower motor in the blast apparatus and connect fan blade on the blower motor.
According to the above scheme the utility model discloses, a serial communication port, the opposite side of first box with the opposite side of second box is equipped with the test hole respectively.
According to the above scheme the utility model discloses, a serial communication port, first box with be connected with explosion-proof chamber door on the second box respectively, be provided with the observation window on the explosion-proof chamber door.
According to the above scheme the utility model discloses, a serial communication port, one side of explosion-proof chamber door is provided with control panel, control panel with control system connects, last display screen, the overtemperature prote ware, the ware of cumulant and the scram button of being equipped with of control panel.
According to the above scheme the utility model discloses, a serial communication port, double-deck high low temperature test box still is provided with machine room and switch board, refrigeration unit install in the machine room, be located cooling fan is still installed to the top of machine room, be provided with in the switch board control system reaches power supply system.
According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model discloses double-deck high low temperature test case, control system control solenoid valve's break-make and then control refrigerating system's operation realizes that one set of refrigerating system can be to two independent box refrigeration, and two test cases can nevertheless can not mutual interference by simultaneous working, fully excavates the utilization ratio of box, improves refrigerating system's utilization ratio, and refrigerating system control reduces the manufacturing cost of test case simultaneously simply, reaches the purpose of energy saving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a block diagram of a refrigeration system of the present invention;
fig. 2 is a schematic structural view of the refrigeration assembly of the present invention;
fig. 3 is a side view of the structure of the refrigeration assembly of the utility model;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic view of the double-layer high-low temperature test chamber of the present invention;
fig. 6 is another view angle structure schematic diagram of the double-layer high-low temperature test chamber of the present invention.
In the figures, the various reference numbers:
10. a first box body, 20, a second box body, 30, a mechanical chamber, 31, a heat radiation fan, 40, a power distribution cabinet, 50, a pressure relief device, 51, a protective cover, 52, a pressure relief hole, 53, a baffle, 60, a blowing device, 70, a test hole, 80, an explosion-proof box door, 81, an observation window, 82 and a control panel,
101. compressor, 102, condenser, 103, precooler, 104, oil separator, 105 and reservoir.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
it should be noted that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features.
As shown in fig. 1, a refrigerating system suitable for double-deck high low temperature test chamber, including refrigeration subassembly, first evaporimeter, the second evaporimeter, first solenoid valve and second solenoid valve, refrigeration subassembly passes through first solenoid valve and is connected with first evaporimeter, refrigeration subassembly passes through the second solenoid valve and is connected with the second evaporimeter, first evaporimeter is located first box 10, the second evaporimeter is located second box 20, first box 10 and second box 20 set up side by side in double-deck high low temperature test chamber, still be provided with heating device in the double-deck high low temperature test chamber, control system and power supply system, heating device, refrigerating system respectively with control system electric connection.
The utility model discloses double-deck high low temperature test box controls refrigerating system's operation through the break-make of solenoid valve, realizes controlling two independent boxes with one set of refrigerating system, improves refrigerating system's utilization ratio.
As shown in fig. 2 to 4, the refrigeration assembly includes a compressor 101 and a condenser 102, the compressor 101, the condenser 102 and the evaporator are connected by pipes to form a circulation refrigeration system, and a precooler 103 is disposed between the evaporator and the condenser 102 to increase the cooling speed and improve the refrigeration effect. An oil separator 104 is provided between the compressor 101 and the condenser 102 to separate the lubricating oil mixed in the refrigerant vapor to improve the refrigerating effect. The accumulator 105 is installed at a suction port of the compressor 101 to ensure that only gaseous refrigerant is allowed to enter the compressor 101.
As shown in fig. 5 to 6, the box body shell of the double-layer high-low temperature test box is made of a steel plate, and plastic spraying is performed on the surface of the steel plate. The double-layer high-low temperature test box comprises a first box body 10 and a second box body 20 which are arranged up and down, wherein sample frames are arranged in the first box body 10 and the second box body 20, and the sample frames are made of stainless steel and easy to clean. The sample frame and the corresponding box body are provided with a heat insulation foaming plate, the first evaporator and the second evaporator are respectively arranged on one side of the sample frame, the first box body 10 and the second box body 20 are respectively internally provided with a heating device, and the heating device heats to provide warm air circulation for the test box.
A pressure relief device 50 and a blowing device 60 are respectively installed at one side of the first box 10 and one side of the second box 20, the pressure relief device 50 comprises a protective cover 51, pressure relief holes 52 and a baffle 53, a plurality of pressure relief holes 52 are respectively and uniformly arranged above and below the protective cover 51, the pressure relief holes 52 are waist-shaped holes, and the baffle 53 is arranged below the protective cover 51. If in the testing process, the baffle 53 of pressure release hole 52 can bounce when the sample explodes, and the pressure in the test box body is discharged from pressure release hole 52 rapidly, and the effect of protection casing 51 is protected pressure release hole 52, prevents to let out to explode and assaults directly to cause the harm to the roof. The blowing device 60 is internally provided with a blowing motor and fan blades connected to the blowing motor, and the blowing device 60 is started to keep the circulation ventilation in the box body.
The other side of the first box 10 and the other side of the second box 20 are respectively provided with a testing hole 70, and the testing holes 70 are used for being externally connected with a testing power line or a signal line, so that the special detected sample can be monitored in real time.
The first box body 10 and the second box body 20 are respectively connected with an explosion-proof box door 80, the explosion-proof box door 80 is provided with an observation window 81, and the observation window 81 is convenient for testers to observe the sample test condition inside the test box at any time so as to control the test process.
One side of explosion-proof box door 80 is provided with control panel 82, and control panel 82 is connected with control system, is equipped with display screen, overtemperature prote ware, cumulant ware and scram button on control panel 82. Parameters inside the test chamber, such as various performance indexes of the test sample, the internal environment state of the test chamber, and the like, are displayed on the display screen. The overtemperature protector can implement secondary protection for overtemperature in the box body when the temperature of the controller fails, and the emergency stop button is pressed to stop the test box to run, so that the overtemperature protector plays a role in overtemperature protection. The time accumulator can preset time for a certain sample test, corresponding signals are output to the control system when the preset time is reached, and the test box carries out corresponding operation.
Still be provided with machine room 30 and switch board 40 in the double-deck high low temperature test case, radiator fan 31 is installed to the top of machine room 30, and outside air inhales in the machine room 30, dredges away the hot-air through radiator fan 31, keeps the inside circulation of air of machine room 30, ensures that the inside temperature of machine room 30 is normal. Still install the maintenance frame in the machine room 30, install refrigeration subassembly on the maintenance frame, in the use, if refrigeration subassembly has the damage, the accessible is unpacked apart maintenance frame apron and can be maintained refrigeration subassembly, is provided with control system and power supply system in the switch board 40.
Only one set of refrigerating system is arranged in the double-layer high-low temperature test box, and the refrigerating system can be operated for the first box body 10 and the second box body 20 independently by controlling the on-off of the electromagnetic valve. The sample that will need to do high microthermal before the experiment is placed on the sample frame, carries out humiture value on control panel 82 to first box 10 and second box 20 respectively and sets for, and control system can the operation of independent control refrigerating system and heating device.
Firstly, the sample in the first box 10 needs low temperature test, the sample in the second box 20 needs high temperature test, the control system controls the first electromagnetic valve of the first box 10 to be switched on, the second electromagnetic valve of the second box 20 is switched off and starts the heating device to heat, cold air released by the refrigeration system in operation circulates in the first box 10, warm air released by the heating device circulates in the second box 20, the sample in the first box 10 is subjected to high temperature test, the sample in the second box 20 is subjected to low temperature test, if a specified temperature set value is reached, the control system controls the refrigeration system to stop refrigerating, the heating device is controlled to stop heating, and the test result in the test box can be displayed through the control panel 82.
The second, the sample in the first box 10 needs the high temperature test, the sample in the second box 20 needs the low temperature test, control system controls the first solenoid valve disconnection of first box 10 and starts the heating device heating, the second solenoid valve switch-on of second box 20, the warm braw of heating device release is at first box 10 internal loop, the cold wind of refrigerating system operation release is at second box 20 internal loop, it carries out the high temperature test to realize the sample in the first box 10, the sample in the second box 20 carries out the low temperature test, accessible control panel 82 shows the experimental result in the experimental box.
Thirdly, the samples in the first box body 10 and the second box body 20 need low-temperature testing, the control system controls the first electromagnetic valve and the second electromagnetic valve to be switched on, the refrigeration system runs, cold air circulates in the first box body 10 and the second box body 20, the first box body 10 and the second box body 20 respectively carry out low-temperature testing on the samples, and the testing results in the testing box bodies can be displayed through the control panel 82.
Fourthly, the samples in the first box body 10 and the second box body 20 need high-temperature testing, the control system controls the first electromagnetic valve and the second electromagnetic valve to be disconnected, the refrigeration system stops running, the heating device heats, hot air circulates in the first box body 10 and the second box body 20, the first box body 10 and the second box body 20 perform high-temperature testing on the samples respectively, and the testing results in the testing box bodies can be displayed through the control panel 82.
The temperature and humidity value is set for each test box through the controller, the refrigeration system is controlled through the electromagnetic valve, the refrigeration system can refrigerate for two independent boxes, the two test boxes can work simultaneously but cannot interfere with each other, the utilization rate of the boxes is fully excavated, the utilization rate of the refrigeration system is improved, and the purpose of saving energy is achieved.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a refrigerating system who is fit for double-deck high low temperature test chamber, its characterized in that, includes refrigeration subassembly, first evaporimeter, second evaporimeter, first solenoid valve and second solenoid valve, the refrigeration subassembly passes through first solenoid valve with first evaporimeter is connected, the refrigeration subassembly passes through the second solenoid valve with the second evaporimeter is connected, first evaporimeter is located the first box, the second evaporimeter is located the second box, first box with the second box sets up side by side from top to bottom in double-deck high low temperature test chamber, still be provided with heating device, control system and power supply system in the double-deck high low temperature test chamber, heating device, refrigerating system respectively with control system electric connection.
2. The refrigeration system suitable for the double-layer high-low temperature test chamber as claimed in claim 1, wherein the refrigeration assembly comprises a compressor, a condenser, a precooler, an oil separator and a liquid storage device, the precooler, the condenser, the oil separator, the compressor and the liquid storage device are connected through pipelines, and the liquid storage device is connected with the first evaporator and the second evaporator respectively.
3. The refrigerating system suitable for the double-layer high-low temperature test chamber as claimed in claim 1, wherein a sample holder is arranged in each of the first box body and the second box body, a heat insulation foaming plate is arranged between each sample holder and the corresponding box body, and an evaporator and the heating device are arranged on one side of each sample holder.
4. The refrigerating system suitable for the double-layer high-low temperature test chamber as claimed in claim 1, wherein a pressure relief device and a blowing device are respectively installed on one side of the first chamber and one side of the second chamber, the pressure relief device comprises a protective cover, pressure relief holes and a baffle, a plurality of pressure relief holes are respectively and uniformly arranged at two ends of the protective cover, the baffle is arranged below the protective cover, and a blowing motor and a fan blade connected to the blowing motor are arranged in the blowing device.
5. The refrigerating system suitable for the double-layer high-low temperature test chamber as claimed in claim 4, wherein the other side of the first chamber and the other side of the second chamber are respectively provided with a test hole.
6. The refrigerating system suitable for the double-layer high-low temperature test chamber as recited in claim 1, wherein an explosion-proof chamber door is connected to each of the first chamber and the second chamber, and an observation window is arranged on each explosion-proof chamber door.
7. The refrigerating system suitable for the double-layer high-low temperature test chamber as claimed in claim 6, wherein a control panel is arranged on one side of the explosion-proof chamber door, the control panel is connected with the control system, and a display screen, an over-temperature protector, a cumulative timer and an emergency stop button are arranged on the control panel.
8. The refrigerating system suitable for the double-layer high-low temperature test chamber as claimed in claim 1, wherein the double-layer high-low temperature test chamber is further provided with a mechanical chamber and a power distribution cabinet, the refrigerating assembly is installed in the mechanical chamber, a heat dissipation fan is further installed above the mechanical chamber, and the control system and the power supply system are arranged in the power distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334561.0U CN214620242U (en) | 2021-02-05 | 2021-02-05 | Refrigerating system suitable for double-layer high-low temperature test chamber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120334561.0U CN214620242U (en) | 2021-02-05 | 2021-02-05 | Refrigerating system suitable for double-layer high-low temperature test chamber |
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| CN214620242U true CN214620242U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797698A (en) * | 2021-02-05 | 2021-05-14 | 广州克莱美特科技股份有限公司 | Refrigerating system suitable for double-layer high-low temperature test chamber and control method thereof |
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- 2021-02-05 CN CN202120334561.0U patent/CN214620242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797698A (en) * | 2021-02-05 | 2021-05-14 | 广州克莱美特科技股份有限公司 | Refrigerating system suitable for double-layer high-low temperature test chamber and control method thereof |
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