CN207007637U - A three-compartment thermal shock test chamber - Google Patents
A three-compartment thermal shock test chamber Download PDFInfo
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- CN207007637U CN207007637U CN201621443718.9U CN201621443718U CN207007637U CN 207007637 U CN207007637 U CN 207007637U CN 201621443718 U CN201621443718 U CN 201621443718U CN 207007637 U CN207007637 U CN 207007637U
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- 230000035939 shock Effects 0.000 title claims description 25
- 238000010257 thawing Methods 0.000 claims abstract description 36
- 238000005485 electric heating Methods 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000011491 glass wool Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000009863 impact test Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及试验设备技术领域，尤其涉及一种三厢冷热冲击试验箱。The utility model relates to the technical field of test equipment, in particular to a three-compartment cold and heat impact test box.
背景技术Background technique
冷热冲击试验箱是用来测试材料结构或复合材料，在瞬间下经极高温及极低温的连续环境下所能忍受的程度，藉以在最短时间内，试验其因热胀冷缩所引起的化学变化或物理伤害，确认产品的品质。The thermal shock test chamber is used to test the material structure or composite material, which can withstand the continuous environment of extremely high temperature and extremely low temperature in an instant, so as to test its thermal expansion and contraction caused by thermal expansion and contraction in the shortest time. Chemical changes or physical damage, confirm the quality of the product.
但是，三厢冷热冲击试验箱长期工作后，低温槽内的蒸发器容易结霜，停止工作。且当试验箱内外温差较大时，水汽会在箱门门框上结冰，导致箱门无法打开。However, after the three-compartment cold and heat shock test chamber works for a long time, the evaporator in the low-temperature tank is prone to frost and stops working. And when the temperature difference between the inside and outside of the test chamber is large, water vapor will freeze on the door frame of the chamber, making the chamber door unable to be opened.
因此，亟需提供一种三厢冷热冲击试验箱，以解决现有技术的不足。Therefore, there is an urgent need to provide a three-compartment thermal shock test chamber to solve the deficiencies in the prior art.
实用新型内容Utility model content
本实用新型目的在于，针对现有技术不足而提供的一种三厢冷热冲击试验箱。The purpose of the utility model is to provide a three-compartment cold and heat shock test chamber for the deficiencies of the prior art.
为了解决上述技术问题，本实用新型采用的技术方案如下：In order to solve the problems of the technologies described above, the technical scheme adopted by the utility model is as follows:
一种三厢冷热冲击试验箱，包括箱体，所述箱体内设有高温槽、低温槽、冷凝装置和试验舱，所述高温槽内设有加热器；所述低温槽内设有蒸发器，所述蒸发器上设有电热除霜装置；所述冷凝装置和所述蒸发器连接；所述高温槽通过高温槽风门和所述试验舱连接；所述低温槽通过低温槽风门和所述试验舱连接；所述试验舱上设有进排风口；所述高温槽风门、所述低温槽风门和所述进排风口内均设有离心风机；所述箱体上设有箱门，所述箱门的门框上设有自限温电伴热带。A three-compartment cold and heat shock test box, including a box body, a high-temperature tank, a low-temperature tank, a condensation device and a test cabin are arranged in the box, a heater is arranged in the high-temperature tank; An evaporator, the evaporator is provided with an electric defrosting device; the condensing device is connected to the evaporator; the high temperature tank is connected to the test cabin through the high temperature tank damper; the low temperature tank is connected to the low temperature tank through the low temperature tank damper and The test chamber is connected; the test chamber is provided with an air inlet and exhaust port; the high temperature slot air door, the low temperature slot air door and the air inlet and exhaust port are all equipped with a centrifugal fan; the box body is provided with a box The door, the door frame of the box door is provided with a self-regulating temperature electric heating cable.
较优地，所述高温槽、所述低温槽、所述试验舱内均设有温度传感器。Preferably, temperature sensors are provided in the high temperature tank, the low temperature tank and the test cabin.
较优地，所述箱体上设有控制面板，所述温度传感器、所述加热器、所述蒸发器、所述电热除霜装置、所述冷凝装置均与所述控制面板电性连接。Preferably, a control panel is provided on the box, and the temperature sensor, the heater, the evaporator, the electrothermal defrosting device, and the condensing device are all electrically connected to the control panel.
较优地，所述冷凝装置包括压缩机和冷凝器。Preferably, the condensing device includes a compressor and a condenser.
较优地，所述箱门上设有观察窗，所述观察窗上设有电热膜。Preferably, an observation window is provided on the box door, and an electric heating film is provided on the observation window.
较优地，所述控制面板上设有USB接口，所述USB接口上设有数据记录装置。Preferably, the control panel is provided with a USB interface, and the USB interface is provided with a data recording device.
较优地，所述控制面板上设有除霜开关，所述除霜开关和所述电热除霜装置电性连接。Preferably, a defrosting switch is provided on the control panel, and the defrosting switch is electrically connected to the electric defrosting device.
较优地，所述箱体内设有保温隔热层，所述保温隔热层是聚氨酯发泡材料和玻璃棉的复合层。Preferably, a thermal insulation layer is provided inside the box, and the thermal insulation layer is a composite layer of polyurethane foam material and glass wool.
较优地，所述试验舱的内壁由镜面不锈钢制成。Preferably, the inner wall of the test chamber is made of mirror stainless steel.
较优地，所述试验舱上设有测试孔。Preferably, the test chamber is provided with a test hole.
本实用新型的有益效果为：The beneficial effects of the utility model are:
1.该三厢冷热冲击试验箱的蒸发器上设有电热除霜装置，控制面板上设有除霜开关，除霜开关和电热除霜装置电性连接，用户可以手动打开除霜开关启动电热除霜装置加热除霜，也可以在控制面板上的程序设置自动除霜；1. The evaporator of the three-compartment cold and heat shock test chamber is equipped with an electric heating defrosting device, and the control panel is equipped with a defrosting switch. The defrosting switch is electrically connected with the electric heating defrosting device. The user can manually turn on the defrosting switch to start The electric defrosting device heats defrosting, and automatic defrosting can also be set in the program on the control panel;
2.该三厢冷热冲击试验箱的箱门上设有自限温电伴热带，自限温电伴热带能够在箱门结霜或结冰时，自动工作，加热除霜或除冰。2. The door of the three-compartment cold and heat shock test chamber is equipped with a self-limiting temperature electric heating cable, which can automatically work when the door is frosted or frozen, heating and defrosting or deicing.
附图说明Description of drawings
图1为本实用新型的一种三厢冷热冲击试验箱的左剖视图。Fig. 1 is a left sectional view of a three-compartment thermal shock test chamber of the present invention.
图2为本实用新型的一种三厢冷热冲击试验箱的主视图Fig. 2 is a front view of a three-compartment thermal shock test chamber of the present invention
具体实施方式detailed description
下面结合实施例对本实用新型作进一步的说明，这是本实用新型的较佳实施例。Below in conjunction with embodiment the utility model is further described, and this is a preferred embodiment of the utility model.
如图1-2所示，一种三厢冷热冲击试验箱，包括箱体1，所述箱体1内设有高温槽2、低温槽3、冷凝装置4和试验舱5，所述高温槽2内设有加热器；所述低温槽3内设有蒸发器，所述蒸发器上设有电热除霜装置；所述冷凝装置4和所述蒸发器连接；所述高温槽2通过高温槽风门21和所述试验舱5连接；所述低温槽3通过低温槽风门31和所述试验舱5连接；所述试验舱5上设有进排风口51；所述高温槽风门21、所述低温槽风门31和所述进排风口51内均设有离心风机；所述箱体1上设有箱门11，所述箱门11的门框上设有自限温电伴热带。As shown in Figure 1-2, a three-compartment cold and heat shock test box includes a box body 1, and the box body 1 is provided with a high-temperature tank 2, a low-temperature tank 3, a condensation device 4, and a test chamber 5. The tank 2 is provided with a heater; the low temperature tank 3 is provided with an evaporator, and the evaporator is provided with an electric defrosting device; the condensation device 4 is connected to the evaporator; The slot damper 21 is connected with the test cabin 5; the low temperature tank 3 is connected with the test cabin 5 through the low temperature slot damper 31; the test cabin 5 is provided with an air inlet and outlet 51; the high temperature slot damper 21, Centrifugal fans are installed inside the low-temperature tank damper 31 and the air inlet and outlet 51; the box body 1 is provided with a box door 11, and the door frame of the box door 11 is provided with a self-limiting temperature heating cable.
工作时，所述加热器加热，热空气蓄存在高温槽2内；所述蒸发器和所述冷凝装置4配合，将空气降温，冷空气蓄存在低温槽3内。热冲击时，高温槽风门21打开，所述离心风机将热空气输送到试验舱5内；冷冲击时，低温槽风门31打开，所述离心风机将冷空气输送到试验舱5内；恢复常温时，进排风口51打开，所述离心风机将室外空气输送到试验舱5内。所述蒸发器上设有电热除霜装置，所述电热除霜装置是电热丝，当蒸发器结霜或结冰时，电热除霜装置工作，加热除霜或除冰。箱门11门框上设有自限温电伴热带，自限温电伴热带由纳米导电碳粒和两根平行母线外加绝缘层构成，当温度升高时，导电塑料产生微分子的膨胀，碳粒渐渐分开，引起电路终端，电阻上升，伴热带会自动减少功率输出。当温度变冷时，塑料又恢复到微分子收缩状态，碳粒相应连接起来，形成电路，伴热带发热功率又自动上升。自限温电伴热带将门框的温度保持在一定范围内，防止门框因温度过低而结冰导致无法打开。During operation, the heater heats up, and the hot air is stored in the high temperature tank 2; the evaporator cooperates with the condensation device 4 to cool down the air, and the cold air is stored in the low temperature tank 3. During thermal shock, the high-temperature tank damper 21 is opened, and the centrifugal fan delivers hot air to the test chamber 5; during cold shock, the low-temperature tank damper 31 is opened, and the centrifugal fan delivers cold air to the test cabin 5; return to normal temperature , the air intake and exhaust ports 51 are opened, and the centrifugal fan transports the outdoor air into the test cabin 5 . The evaporator is provided with an electric heating defrosting device, and the electric heating defrosting device is an electric heating wire. When the evaporator is frosted or frozen, the electric heating defrosting device works to heat the defrosting or deicing. There is a self-limiting temperature heating cable on the door frame of the box door 11. The self-limiting temperature heating cable is composed of nano-conductive carbon particles and two parallel busbars plus an insulating layer. When the temperature rises, the conductive plastic produces micromolecular expansion, and the carbon Gradually separate the particles, causing the circuit terminal, the resistance rises, and the heating cable will automatically reduce the power output. When the temperature becomes cold, the plastic returns to the shrinking state of the micromolecules, and the carbon particles are connected accordingly to form a circuit, and the heating power of the heating cable automatically increases. The self-limiting temperature electric heating cable keeps the temperature of the door frame within a certain range, preventing the door frame from being unable to open due to freezing due to low temperature.
较优地，所述高温槽2、所述低温槽3、所述试验舱5内均设有温度传感器。所述温度传感器为PT100温度传感器，精度高，温度测量范围大。Preferably, temperature sensors are installed in the high temperature tank 2 , the low temperature tank 3 and the test chamber 5 . The temperature sensor is a PT100 temperature sensor with high precision and large temperature measurement range.
较优地，所述箱体1上设有控制面板12，所述温度传感器、所述加热器、所述蒸发器、所述电热除霜装置、所述冷凝装置4均与所述控制面板12电性连接。用户可以通过控制面板12查看试验舱内的温度，还可以通过控制面板12设置测试温度条件。Preferably, the box body 1 is provided with a control panel 12, and the temperature sensor, the heater, the evaporator, the electric defrosting device, and the condensing device 4 are all connected with the control panel 12 electrical connection. The user can check the temperature in the test chamber through the control panel 12 , and can also set the test temperature conditions through the control panel 12 .
较优地，所述冷凝装置4包括压缩机41和冷凝器42。工作时，蒸发器内冷凝剂汽化吸热，为空气降温，压缩机41吸入蒸发器的冷凝剂气体，将所述冷凝剂气体压缩成高温高压的冷凝剂气体，冷凝器42将所述高温高压冷凝剂气体冷却成冷凝剂液体后，输送到蒸发器中，继续循环。Preferably, the condensing device 4 includes a compressor 41 and a condenser 42 . During operation, the condensing agent in the evaporator vaporizes and absorbs heat to cool down the air. The compressor 41 sucks the condensing agent gas from the evaporator and compresses the condensing agent gas into a high-temperature and high-pressure condensing agent gas. The condenser 42 converts the high-temperature and high-pressure After the condensate gas is cooled to condensate liquid, it is sent to the evaporator to continue the cycle.
较优地，所述箱门11上设有观察窗13，所述观察窗13上设有电热膜。所述电热膜防止水汽在观察窗13上凝结成水珠，方便观察。Preferably, the box door 11 is provided with an observation window 13, and the observation window 13 is provided with an electrothermal film. The electrothermal film prevents water vapor from condensing into water droplets on the observation window 13, which is convenient for observation.
较优地，所述控制面板12上设有USB接口14，所述USB接口14上设有数据记录装置。所述记录装置为U盘，记录装置记录以下测试信息：日期、时间、温度设定值、温度实际值，用户可以在电脑上查看或处理记录装置上的信息。Preferably, the control panel 12 is provided with a USB interface 14, and the USB interface 14 is provided with a data recording device. The recording device is a U disk, and the recording device records the following test information: date, time, temperature setting value, temperature actual value, and the user can view or process the information on the recording device on a computer.
较优地，所述控制面板12上设有除霜开关15，所述除霜开关15和所述电热除霜装置电性连接。用户可以手动启动除霜开关15，打开电热除霜装置，加热除霜。Preferably, the control panel 12 is provided with a defrosting switch 15, and the defrosting switch 15 is electrically connected with the electrothermal defrosting device. The user can manually activate the defrosting switch 15, turn on the electric heating defrosting device, and heat and defrost.
较优地，所述箱体1内设有保温隔热层，所述保温隔热层是聚氨酯发泡材料和玻璃棉的复合层。聚氨酯发泡材料和玻璃棉的保温隔热效果好，起到保温节能的作用。Preferably, a thermal insulation layer is provided inside the box body 1, and the thermal insulation layer is a composite layer of polyurethane foam material and glass wool. Polyurethane foam material and glass wool have good thermal insulation effect and play the role of thermal insulation and energy saving.
较优地，所述试验舱5的内壁由镜面不锈钢制成。不锈钢更耐腐蚀。Preferably, the inner wall of the test chamber 5 is made of mirror stainless steel. Stainless steel is more resistant to corrosion.
较优地，所述试验舱5上设有测试孔52。样品的电源线可以通过测试孔52接到外部电源上。Preferably, the test chamber 5 is provided with a test hole 52 . The power line of the sample can be connected to an external power source through the test hole 52 .
本实用新型的有益效果为：The beneficial effects of the utility model are:
1.该三厢冷热冲击试验箱的蒸发器上设有电热除霜装置，控制面板上设有除霜开关，除霜开关和电热除霜装置电性连接，用户可以手动打开除霜开关启动电热除霜装置加热除霜，也可以在控制面板上的程序设置自动除霜；1. The evaporator of the three-compartment cold and heat shock test chamber is equipped with an electric heating defrosting device, and the control panel is equipped with a defrosting switch. The defrosting switch is electrically connected with the electric heating defrosting device. The user can manually turn on the defrosting switch to start The electric defrosting device heats defrosting, and automatic defrosting can also be set in the program on the control panel;
2.该三厢冷热冲击试验箱的箱门上设有自限温电伴热带，自限温电伴热带能够在箱门结霜或结冰时，自动工作，加热除霜或除冰。2. The door of the three-compartment cold and heat shock test chamber is equipped with a self-limiting temperature electric heating cable, which can automatically work when the door is frosted or frozen, heating and defrosting or deicing.
本实用新型并不限于上述实施方式，凡采用和本实用新型相似结构及其方法来实现本实用新型目的的所有方式，均在本实用新型的保护范围之内。The utility model is not limited to the above-mentioned embodiments, and all methods that use structures and methods similar to the utility model to achieve the purpose of the utility model are within the scope of protection of the utility model.
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| CN201621443718.9U CN207007637U (en) | 2016-12-26 | 2016-12-26 | A three-compartment thermal shock test chamber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404593A (en) * | 2019-07-15 | 2019-11-05 | 重庆哈丁环境试验技术股份有限公司 | High-strength insulation cabinet suitable for high low temperature cycles test |
| CN112485004A (en) * | 2020-11-27 | 2021-03-12 | 苏州英特模汽车科技有限公司 | Cold and hot impact equipment for engine |
| CN113600253A (en) * | 2021-08-20 | 2021-11-05 | 海拓仪器(江苏)有限公司 | Frostless high and low temperature testing machine |
-
2016
- 2016-12-26 CN CN201621443718.9U patent/CN207007637U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404593A (en) * | 2019-07-15 | 2019-11-05 | 重庆哈丁环境试验技术股份有限公司 | High-strength insulation cabinet suitable for high low temperature cycles test |
| CN110404593B (en) * | 2019-07-15 | 2023-05-12 | 重庆哈丁环境试验技术股份有限公司 | High-strength heat-preserving box body suitable for high-low temperature alternating test |
| CN112485004A (en) * | 2020-11-27 | 2021-03-12 | 苏州英特模汽车科技有限公司 | Cold and hot impact equipment for engine |
| CN112485004B (en) * | 2020-11-27 | 2022-12-23 | 苏州英特模汽车科技有限公司 | Cold and hot impact equipment for engine |
| CN113600253A (en) * | 2021-08-20 | 2021-11-05 | 海拓仪器(江苏)有限公司 | Frostless high and low temperature testing machine |
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