CN211856839U - High-low temperature box integrated cabinet test system - Google Patents
High-low temperature box integrated cabinet test system Download PDFInfo
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- CN211856839U CN211856839U CN202020344756.9U CN202020344756U CN211856839U CN 211856839 U CN211856839 U CN 211856839U CN 202020344756 U CN202020344756 U CN 202020344756U CN 211856839 U CN211856839 U CN 211856839U
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Abstract
The utility model belongs to the technical field of test equipment, in particular to a high-low temperature box integrated cabinet test system, which comprises at least one test chamber, an equipment chamber, an electric box, a control panel and an energy feedback type power module; the control panel, the electric box and the equipment room are respectively arranged on the right side of the at least one test room, and the energy feedback type power supply module is arranged on the rear side of the at least one test room; at least one test chamber is inside to be provided with wind wheel, heating plate and evaporimeter respectively, be equipped with compressor, condenser in the equipment room respectively, be equipped with the controller in the electronic box, the wind wheel is connected with the outside motor of box, motor, compressor, condenser, heating plate and evaporimeter are connected with the controller respectively, the controller is connected with control panel. The utility model discloses combine the integrative cabinet test system who makes with energy feedback type power and high low temperature cabinet, save space, reduce time cost and economic cost reduce heat emission, improve the reliability.
Description
Technical Field
The utility model relates to a test equipment technical field refers in particular to an integrative cabinet test system of high low temperature box and method.
Background
With the improvement of the quality requirement of industrial products, the produced products need to be subjected to a simulation test before being put into the market, and the test is required to completely and truly simulate the real situation of the products in the using process. The high-low temperature test box is widely applied to the fields of chemistry, biology, physics and the like, and mainly used for performing performance test on high-low temperature environments of product parts, wherein the performance test of a battery occupies an important position, so that the reliability of products under different temperature environments meets requirements.
In the prior art, test chambers of a high-low temperature test box are all single-chamber tests, so that the test sample is not uniformly contacted with wind current in the test process, and the test data error is caused by different influences of each position of the test sample on the environment; in addition, the existing sample is loaded through a tray, and the surface of the sample contacting the tray can not be in good contact with the environment, so that the test result can be influenced; and the existing high-low temperature test box does not reasonably discharge the condensed water generated by the condenser, thereby influencing the service life of the test equipment.
Meanwhile, the output load of the existing domestic and foreign power module test device adopts two modes: 1. the resistor is directly used as a load, different load resistors need to be replaced for different output specifications, the operation is very inconvenient, and the output power is completely converted into heat consumption; 2. with a dissipative electronic load, the operation can be programmed to accommodate different output specifications, but the output power is still fully converted to heat dissipation. The energy conversion efficiency of the power module is over 80%, so that the main power consumption is converted into heat which is wasted during the test, and meanwhile, the heat productivity is large, the environment temperature is adversely affected, and the reliability and the accuracy of the test result are affected.
Disclosure of Invention
The utility model provides an integrative cabinet test system of high low temperature box and method aims at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a high-low temperature box integrated cabinet test system comprises at least one test chamber, an equipment chamber, an electric box, a control panel and an energy feedback type power module; the control panel, the electric box and the equipment room are respectively arranged on the right side of the at least one test room, and the energy feedback type power supply module is arranged on the rear side of the at least one test room;
the wind wheel, the heating plate and the evaporator are respectively arranged in the at least one testing room, the compressor and the condenser are respectively arranged in the equipment room, the controller is arranged in the electric box, the wind wheel is connected with a motor outside the box body, the motor, the compressor, the condenser, the heating plate and the evaporator are respectively connected with the controller, and the controller is connected with the control panel;
and the energy feedback type power supply module is connected with the power supply to be tested according to the fact that a test board for placing the power supply to be tested is arranged in the at least one test chamber.
The embodiment of the utility model provides a technical scheme who takes still includes: the energy feedback type power supply module comprises a rectifying circuit, a PWM control unit, a boost conversion unit and a power supply; the power supply to be tested is connected with the rectifying circuit, the output of the rectifying circuit is connected with the PWM control unit, the PWM control unit is connected with the input end of the boost conversion unit, and the output end of the boost conversion unit is connected with the output end of the power supply.
The embodiment of the utility model provides a technical scheme who takes still includes: the energy feedback type power supply module also comprises a constant current control circuit, the output end of the rectifying circuit is connected with the constant current control circuit, and the constant current control circuit is connected with the PWM control unit; a first isolation diode is further arranged on a connecting line between the output end of the power supply and the power supply to be tested, and a second isolation diode is further arranged on a connecting line between the output end of the boost conversion unit and the power supply to be tested; the output of the power supply to be tested is rectified into direct current voltage by the rectifying circuit, and then the constant current control circuit automatically controls the PWM unit to adjust the output of the boost conversion circuit and simultaneously sends the voltage output back to the input end of the power supply for power supply.
The embodiment of the utility model provides a technical scheme who takes still includes: the left side of at least one test chamber is seted up and is used for opening and close the chamber door of test chamber, the chamber door is provided with the sealing strip with the position of at least one test chamber surface contact, still be equipped with the observation window on the chamber door.
The embodiment of the utility model provides a technical scheme who takes still includes: the left side of wind wheel is equipped with the baffle of level area radian, baffle the place ahead is equipped with vertical baffle, vertical baffle is connected and is formed the wind channel with the baffle is perpendicular, and in wind wheel department forms the air intake, forms the air outlet in the inside left side of box.
The embodiment of the utility model provides a technical scheme who takes still includes: the air inlet and the air outlet are respectively provided with a screen plate, the screen plate at the air outlet is respectively provided with an air deflector and a thermocouple, and the thermocouple is electrically connected with the controller.
The embodiment of the utility model provides a technical scheme who takes still includes: the inside right side of at least one test room still is equipped with the evaporimeter that is used for the cooling, the condenser pass through the pipeline with the evaporimeter is connected.
The embodiment of the utility model provides a technical scheme who takes still includes: the top in at least one test chamber still is equipped with the smog fire extinguisher, the carbon dioxide bottle is still installed to the box outside, the smog fire extinguisher is connected with the carbon dioxide bottle.
The embodiment of the utility model provides a technical scheme who takes still includes: a sensor is also arranged in the at least one test chamber and is connected with the control panel; and a carbon dioxide fire extinguisher is also arranged in the equipment room, is connected with the sensor and is communicated with the at least one test room through a pipeline.
The embodiment of the utility model provides a technical scheme who takes still includes: and 6 paths of temperature sensors are also arranged in the at least one test chamber and are electrically connected with the controller.
Compared with the prior art, the utility model discloses the beneficial effect who produces lies in: the utility model discloses the inside temperature of the integrative cabinet test system of energy repayment type high-low temperature box is even, has avoided influencing the test result of sample because of local temperature is too high, and energy feedback type power can effectual reduction energy consumption, energy saving and emission reduction, combines the integrative cabinet test system of making with energy feedback type power and high-low temperature box, saves space, increases the convenience that equipment removed, the convenience of control operation, reduce time cost and economic cost. The utility model discloses have multiple protect function, possess the scram button, guarantee test personnel's personal safety and company's property safety on the at utmost. The voltage and the current of the energy feedback type power supply module are stable, the recovery efficiency is high, energy can be saved by more than 50%, the test cost is obviously reduced, the heat emission is reduced, and the reliability is improved.
Drawings
Fig. 1 is a front view of a high and low temperature cabinet integrated testing system according to an embodiment of the present invention;
fig. 2 is a right side view of the high and low temperature box integrated cabinet testing system according to the embodiment of the present invention;
fig. 3 is a rear view of the high and low temperature cabinet integrated testing system according to the embodiment of the present invention;
fig. 4 is a schematic view of a wind wheel structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a heating plate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an energy feedback type power module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Please refer to fig. 1 to 3, fig. 1 is a front view of a high and low temperature cabinet testing system according to an embodiment of the present invention, fig. 2 is a right side view of the high and low temperature cabinet testing system according to an embodiment of the present invention, and fig. 3 is a rear view of the high and low temperature cabinet testing system according to an embodiment of the present invention. The utility model discloses integrative cabinet test system of high-low temperature box includes first test chamber 1, second test chamber 2, equipment room 3, electronic box 4, control panel 5 and energy feedback type power module 7. Wherein, first test chamber 1 is located the top of second test chamber 2, and control panel 5, electronic box 4 and equipment room 3 locate the right side of two test chambers in proper order, and energy feedback type power module 7 is installed in the rear side of two test chambers.
An insulating layer (not shown) and a stainless steel inner container (not shown) are sequentially arranged on the inner wall of the first test chamber 1 from outside to inside, and Teflon paint is sprayed on the surface of the inner wall; a box door 11 for opening and closing the test chamber is arranged at the left side of the first test chamber 1, and a sealing strip (not shown) is arranged at the position where the box door 11 is in contact with the surface of the first test chamber 1 and used for improving the sealing property of the test chamber; the box door 11 is also provided with an observation window 111, so that the test condition of the sample in the box can be observed conveniently; the embodiment of the utility model provides an in, observation window 111 is 3 layers toughened glass board materials, has window frame heating, glass heating and frost prevention function.
Please refer to fig. 4, which is a schematic view of a wind wheel structure according to an embodiment of the present invention. The rear side wall of the interior of the first test chamber 1 is provided with a wind wheel 12, the wind wheel 12 is connected with a long shaft motor 121 installed outside the box body, the left side of the wind wheel 12 is provided with a horizontal baffle 13 with radian, a vertical baffle 14 is arranged in front of the baffle 13, the vertical baffle 14 is vertically connected with the baffle 13 and forms a wind channel (not shown), the wind channel is hermetically connected with the inner wall of the box body, an air inlet (not shown) is formed at the position of the wind wheel 12, an air outlet (not shown) is formed at the left side of the interior of the box body, a screen plate 16 is arranged at the positions of the air inlet and the air outlet, and an air deflector.
Please refer to fig. 5, which is a schematic diagram of a heating plate according to an embodiment of the present invention. A heating plate 15 for heating is arranged in front of the wind wheel 12, and an evaporator 17 for cooling is arranged on the right side inside the first testing chamber 1.
A test board 18 is horizontally arranged in the first test chamber 1, the test board 18 is used for mounting a power module 6 to be tested, the power module 6 to be tested is connected with the energy feedback type power module 7 at the rear side, and after the test is finished, the electric energy is transmitted back to the power supply battery through the energy feedback type power module 7; the rear side inside the first testing room 1 is further provided with a wire hole 20 for connecting the energy feedback type power module 7 with the power module 6 to be tested. The inner side wall of the first test chamber 1 is further provided with a support frame (not shown) for supporting the test board 18. The embodiment of the utility model provides an in, survey test panel 18 can freely dismantle and height-adjusting position, and bearing capacity accords with experimental requirement. The test board 18 is of a pore plate structure, and due to the fact that the contact area of the power module to be tested and the environment is large, heat transfer is uniform, temperature is uniform, deviation degree is small, fluctuation degree is small, the pore plate structure can avoid that local temperature of the power module to be tested is too high, or test results are not accurate due to too large difference between actual temperature and set temperature, and accuracy of the test results is greatly improved.
The top in the first testing room 1 is also provided with a smoke extinguisher 19, and the smoke extinguisher 19 is connected with a carbon dioxide bottle 191 arranged outside the box body.
The first testing chamber 1 is further provided with a sensor (not shown), and the sensor is connected with the control panel 5 and used for regulating and controlling the temperature in the testing chamber.
The equipment chamber 3 is provided therein with a compressor 31, a condenser 32, an oil separator (not shown), a liquid reservoir 33, and a carbon dioxide extinguisher (not shown), respectively, the liquid reservoir 33 is connected to the compressor 31, the compressor 31 is connected to the condenser 32, and the condenser 32 is connected to the evaporator 17 in the first test chamber through a pipe. The oil separator is connected with the condenser 32, and the carbon dioxide fire extinguisher is connected with a sensor in the test chamber and is communicated with the test chamber through a pipeline.
A controller (not shown) and a control circuit (not shown) are arranged in the electric box 4, the compressor 31, the condenser 32, the heating plate 15, the smoke extinguisher 19 and the motor 121 are all electrically connected with the controller, and the controller is electrically connected with the control panel 5. A thermocouple 162 on the well plate 16 is electrically connected to the controller for temperature control and PID adjustment in the test chamber. The wind wheel 12 is driven by the motor 121 to rotate at a high speed, wind is sucked from the air inlet through the heating plate 15 and the condenser 32, and then is blown out from the air outlet through the air duct, so that air circulation in the test chamber is realized, and heating and cooling are realized. The air deflector 161 and the thermocouple 162 arranged on the mesh plate 16 at the air outlet can make the temperature of the air blown into the test chamber more uniform.
Please refer to fig. 6, which is a schematic structural diagram of an energy feedback type power module according to an embodiment of the present invention. The energy feedback type power supply module 7 includes a rectifying circuit 71, a PWM control unit 72, a boost conversion unit 73, a power supply 74, and a constant current control circuit 75; the power module 6 to be tested is connected with the rectifying circuit 71, the output of the rectifying circuit 71 is connected with the PWM control unit 72, the PWM control unit 72 is connected with the input end of the boost conversion unit 73, and the output end of the boost conversion unit 73 is connected with the output end of the power supply 74. The output end of the rectifying circuit 71 is connected with a constant current control circuit 75, and the constant current control circuit 75 is connected with the PWM control unit 72; a first isolation diode 76 is arranged on a connecting line between the output end of the power supply 74 and the power module 6 to be tested, and a second isolation diode 77 is arranged on a connecting line between the output end of the boost converting unit 73 and the power module 6 to be tested. The working process of the energy feedback type power supply module 7 is specifically as follows: the output of the power module to be tested is rectified into direct current voltage by the rectifying circuit 71, and then the output of the boost converting circuit 73 is adjusted by the constant current control circuit 75 through the automatic control PWM unit 72, so as to achieve the test current set by program control, and the voltage output is sent back to the input end of the power supply 74 for power supply.
In the embodiment of the present invention, 6 temperature sensors (not shown) are further disposed in the first testing chamber 1, and the temperature sensors are electrically connected to the controller. Through the power of controller control wind wheel 12 and heating plate 15, the temperature in the adjustment box, and the accessible human-computer interface of each point temperature shows, can have the curve record and derive through USB, can trigger after the temperature transfinites and report to the police and the carbon dioxide fire extinguisher is put out a fire, has increased experimental security, reduces the risk that causes the loss.
The embodiment of the utility model provides an in, still install LED lamp (not shown) in the first test room 1, make things convenient for the experimenter to observe 111 the test room internal conditions through the observation window.
The embodiment of the utility model provides an in, still be equipped with explosion-proof hinge on the test system box, the box below still is equipped with drainage pipe for the water discharge box with condensing.
The embodiment of the utility model provides an in, energy consumption 2.5KW individual layer, and install smart electric meter additional and implement the current operation energy consumption of demonstration.
The embodiment of the utility model provides an in, the inner structure and the theory of operation of second test chamber 2 are the same with first test chamber 1, the utility model discloses will not be repeated again.
The utility model discloses an integrative cabinet test system of energy repayment type high-low temperature box can test in the temperature range of 40 ℃ below zero to 150 ℃, the temperature fluctuation degree is less than or equal to 0.7 ℃, the degree of consistency is less than or equal to 2 ℃, the temperature deviation is less than or equal to 2 ℃, inside temperature is even, the test result of influencing the sample because of local temperature is too high has been avoided, and energy feedback type power can effectual reduction energy consumption, energy saving and emission reduction, combine the integrative cabinet test system of making with energy feedback type power and high-low temperature box, save space, increase the convenience that equipment removed, the convenience of control operation, reduce time cost and economic cost. The utility model discloses have multiple protect function, possess the scram button, guarantee test personnel's personal safety and company's property safety on the at utmost. The voltage and the current of the energy feedback type power supply module are stable, the recovery efficiency is high, energy can be saved by more than 50%, the test cost is obviously reduced, the heat emission is reduced, and the reliability is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A high-low temperature box integrated cabinet test system is characterized by comprising at least one test chamber, an equipment chamber, an electric box, a control panel and an energy feedback type power supply module; the control panel, the electric box and the equipment room are respectively arranged on the right side of the at least one test room, and the energy feedback type power supply module is arranged on the rear side of the at least one test room;
the wind wheel, the heating plate and the evaporator are respectively arranged in the at least one testing room, the compressor and the condenser are respectively arranged in the equipment room, the controller is arranged in the electric box, the wind wheel is connected with a motor outside the box body, the motor, the compressor, the condenser, the heating plate and the evaporator are respectively connected with the controller, and the controller is connected with the control panel;
and the energy feedback type power supply module is connected with the power supply to be tested according to the fact that a test board for placing the power supply to be tested is arranged in the at least one test chamber.
2. The high and low temperature box integrated cabinet testing system according to claim 1, wherein the energy feedback type power supply module comprises a rectifying circuit, a PWM control unit, a boost conversion unit and a power supply; the power supply to be tested is connected with the rectifying circuit, the output of the rectifying circuit is connected with the PWM control unit, the PWM control unit is connected with the input end of the boost conversion unit, and the output end of the boost conversion unit is connected with the output end of the power supply.
3. The high and low temperature box integrated cabinet testing system according to claim 2, wherein the energy feedback type power supply module further comprises a constant current control circuit, the output end of the rectifying circuit is connected with the constant current control circuit, and the constant current control circuit is connected with the PWM control unit; a first isolation diode is further arranged on a connecting line between the output end of the power supply and the power supply to be tested, and a second isolation diode is further arranged on a connecting line between the output end of the boost conversion unit and the power supply to be tested; the output of the power supply to be tested is rectified into direct current voltage by the rectifying circuit, and then the constant current control circuit automatically controls the PWM unit to adjust the output of the boost conversion circuit and simultaneously sends the voltage output back to the input end of the power supply for power supply.
4. The high and low temperature cabinet integrated testing system according to claim 1, wherein a cabinet door for opening and closing the test chamber is opened on the left side of the at least one test chamber, a sealing strip is arranged at a position where the cabinet door contacts with the surface of the at least one test chamber, and an observation window is further arranged on the cabinet door.
5. The high and low temperature box integrated cabinet testing system according to claim 1, wherein a horizontal cambered partition plate is arranged on the left side of the wind wheel, a vertical baffle plate is arranged in front of the partition plate, the vertical baffle plate is vertically connected with the partition plate to form an air duct, an air inlet is formed at the wind wheel, and an air outlet is formed on the left side inside the box body.
6. The high and low temperature cabinet integrated cabinet testing system according to claim 5, wherein the air inlet and the air outlet are provided with a screen plate, the screen plate at the air outlet is provided with an air deflector and a thermocouple, and the thermocouple is electrically connected with the controller.
7. The high and low temperature cabinet integrated test system as claimed in claim 1, wherein an evaporator for cooling is further arranged on the right side inside the at least one test chamber, and the condenser is connected with the evaporator through a pipeline.
8. The high and low temperature cabinet integrated cabinet testing system as claimed in claim 7, wherein a smoke fire extinguisher is further arranged on the top of the at least one testing chamber, a carbon dioxide bottle is further mounted on the outer side of the cabinet body, and the smoke fire extinguisher is connected with the carbon dioxide bottle.
9. The high and low temperature cabinet integrated test system as claimed in claim 8, wherein a sensor is further arranged in the at least one test chamber, and the sensor is connected with a control panel; and a carbon dioxide fire extinguisher is also arranged in the equipment room, is connected with the sensor and is communicated with the at least one test room through a pipeline.
10. The cabinet testing system of claim 9, wherein the at least one testing chamber further comprises 6 temperature sensors, and the temperature sensors are electrically connected to the controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344756.9U CN211856839U (en) | 2020-03-18 | 2020-03-18 | High-low temperature box integrated cabinet test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344756.9U CN211856839U (en) | 2020-03-18 | 2020-03-18 | High-low temperature box integrated cabinet test system |
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| CN211856839U true CN211856839U (en) | 2020-11-03 |
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| CN202020344756.9U Active CN211856839U (en) | 2020-03-18 | 2020-03-18 | High-low temperature box integrated cabinet test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157904A (en) * | 2020-03-18 | 2020-05-15 | 深圳市泰欣能源科技有限公司 | High-low temperature box integrated cabinet test system |
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- 2020-03-18 CN CN202020344756.9U patent/CN211856839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157904A (en) * | 2020-03-18 | 2020-05-15 | 深圳市泰欣能源科技有限公司 | High-low temperature box integrated cabinet test system |
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