CN218444474U - Environmental experiment cabin - Google Patents

Environmental experiment cabin Download PDF

Info

Publication number
CN218444474U
CN218444474U CN202222570176.3U CN202222570176U CN218444474U CN 218444474 U CN218444474 U CN 218444474U CN 202222570176 U CN202222570176 U CN 202222570176U CN 218444474 U CN218444474 U CN 218444474U
Authority
CN
China
Prior art keywords
temperature
pressure
humidity
component
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222570176.3U
Other languages
Chinese (zh)
Inventor
陈兴华
王大才
王朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Qingzhi New Energy Technology Co ltd
Original Assignee
Shanghai Qingzhi New Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Qingzhi New Energy Technology Co ltd filed Critical Shanghai Qingzhi New Energy Technology Co ltd
Priority to CN202222570176.3U priority Critical patent/CN218444474U/en
Application granted granted Critical
Publication of CN218444474U publication Critical patent/CN218444474U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The utility model discloses an environmental experiment chamber, which is used for testing an engine, the environmental experiment chamber comprises an experiment chamber body, a temperature adjusting device, a pressure adjusting device, a humidity adjusting device and an air source, the two ends of the temperature adjusting device are communicated with the air source and the experiment chamber body, so that the air is heated or cooled through the temperature adjusting device and then enters the inside of the experiment chamber body, the humidity adjusting device is arranged inside the experiment chamber body, and the pressure adjusting device is communicated with the experiment chamber body; by arranging the temperature regulating device between the air source and the experiment chamber body, the air reaches the required temperature when entering the experiment chamber body, so that the temperature in the chamber can be continuously maintained in the engine experiment process.

Description

Environmental experiment cabin
Technical Field
The utility model relates to an environmental experiment cabin.
Background
In the development process of a new energy fuel engine system or a fuel cell engine system, various indexes of the system need to be tested and verified, and the engine has high environmental sensitivity, so that the engine needs to be tested and verified at different temperatures, different air pressures and different humidities.
The environmental experiment cabin on the market can't accomplish negative pressure, low temperature, high temperature and the operating mode that corresponds humidity under the true simulation plateau environment, consequently, the utility model provides an environmental experiment cabin that can simulate plateau environment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is in order to overcome the unable defect of accomplishing negative pressure, low temperature, high temperature and the operating mode that corresponds humidity under the simulation plateau environment of prior art's environmental experiment cabin.
The utility model provides an environmental experiment cabin for solving the technical problems.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides an environmental experiment cabin for the test engine, environmental experiment cabin includes experiment cabin body, temperature regulation apparatus, pressure regulation apparatus, humidity control device and air supply, temperature regulation apparatus's both ends intercommunication the air supply with experiment cabin body to make gaseous earlier through temperature regulation apparatus intensifies or the entering after cooling the inside of experiment cabin body, humidity control apparatus locates the inside of experiment cabin body, pressure regulation apparatus intercommunication experiment cabin body.
In this scheme, inside the air supply entered into the experiment cabin body through temperature regulation apparatus, pressure regulation apparatus and humidity control device combined action through closed loop control, adjusted the inside gaseous temperature of experiment cabin body, atmospheric pressure and humidity, made it reach the setting value to realize simulating the environment of negative pressure, low temperature, high temperature and corresponding humidity under the plateau environment.
First, the existing engine environment simulation equipment cannot completely simulate the temperature, pressure and humidity of the environment, and the scheme can simultaneously simulate the environmental characteristics and can provide air in the real environment in the engine test process; second, inside the experiment cabin body was located to current temperature regulation apparatus, outside air current entered into the cabin body inside and need the temperature that certain time buffering could reach needs, the inside gas temperature of experiment cabin body is disturbed by outside gas easily, and this scheme is through setting up temperature regulation apparatus between air supply and experiment cabin body, and gas is when getting into the experiment cabin body, has just reached the temperature that needs, consequently in the engine test process, can continuously maintain the cabin temperature.
Preferably, the temperature adjusting device comprises a temperature detecting part, a temperature control part and a heat exchanger, the temperature detecting part is arranged in the experiment chamber body, two ends of the heat exchanger are communicated with the gas source and the experiment chamber body, the input end of the temperature control part is electrically connected with the temperature detecting part, and the output end of the temperature control part is electrically connected with the heat exchanger; the temperature control component is used for receiving the temperature signal sent by the temperature detection component and comparing the temperature signal with the internal temperature value of the temperature control component so as to control the switch of the heat exchanger.
In this scheme, the temperature detect part, closed-loop control is realized to temperature control part and heat exchanger three, the temperature detect part is the real-time temperature signal of temperature control part transmission, if temperature signal is higher than temperature value or the temperature range of setting for, the temperature control part control heat exchanger is cooled down to inside gas, if temperature signal is less than temperature value or the temperature range of setting for, the temperature control part control heat exchanger heaies up to the gas of inside process, reach the temperature value of setting for or be in the temperature range of setting for temperature signal, thereby for the inside gas that provides the accurate temperature of experiment cabin body.
Preferably, the number of the heat exchangers is at least two, and at least two heat exchangers are connected in series and are communicated with each other; or, the number of the heat exchangers is one.
In this scheme, two heat exchangers of establishing ties compare in single heat exchanger, and two heat exchangers are more stable to gas temperature's control, and along with the improvement of heat exchanger quantity, gas temperature stability is higher, and corresponding manufacturing cost can improve.
Preferably, the temperature adjusting device further comprises a temperature adjusting assembly arranged inside the experiment cabin body, and the output end of the temperature control component is electrically connected with the temperature adjusting assembly; the temperature control component is used for receiving the temperature signal sent by the temperature detection component and comparing the temperature signal with the internal temperature value of the temperature control component so as to control the switch of the temperature regulation component.
In this scheme, along with the engine is at this internal continuous operation of experiment cabin, engine itself can send a large amount of heat and high temperature waste gas, and the inside temperature of experiment cabin body can consequently change, and the effect of the subassembly that adjusts the temperature is just adjusting and maintaining the inside temperature of experiment cabin body, simultaneously, utilizes temperature detection part and temperature control part, can carry out closed loop control to the temperature of this internal gas of experiment cabin.
The temperature detection part transmits real-time temperature signals of the gas in the experiment chamber body to the temperature control part, if the temperature signals are higher than a set temperature value or a set temperature range, the temperature control part controls the temperature adjusting assembly and cools the gas inside, and if the temperature signals are lower than the set temperature value or the set temperature range, the temperature control part controls the temperature adjusting assembly to heat the gas passing through the inside until the temperature signals reach the set temperature value or are in the set temperature range.
Preferably, the environmental experiment chamber comprises a water cooling system, and the water cooling system is connected with the heat exchanger and/or the temperature regulating component.
In this scheme, water cooling system is connected with the heat exchanger to the circulation, water cooling system is cooled down for heat exchanger and/or the subassembly that adjusts the temperature, guarantees that above-mentioned subassembly works under normal temperature, compares in current air cooling system, and water cooling system cooling effect is better, also more stable, avoids leading to heat exchanger and/or the subassembly work efficiency that adjusts the temperature to reduce its life even because of the cooling effect is poor.
Preferably, the temperature adjusting assembly comprises a temperature increasing component and/or a temperature decreasing component.
In this scheme, the intensification part increases the temperature for the inside gas of experiment cabin body, and the cooling part is the inside gas cooling temperature of experiment cabin body.
Preferably, the pressure regulating device comprises a pressure detecting part, a pressure control part and a regulating valve, the pressure detecting part is arranged inside the experiment chamber body, the regulating valve is arranged between the experiment chamber body and the gas source and is communicated with the experiment chamber body and the gas source, the input end of the pressure control part is electrically connected with the pressure detecting part, and the output end of the pressure control part is electrically connected with the regulating valve; the pressure control component is used for receiving the pressure signal sent by the pressure detection component and comparing the pressure signal with the internal pressure value of the pressure control component so as to control the switch of the regulating valve.
In this scheme, the pressure detection part, pressure control part and governing valve three form closed-loop control, the pressure detection part is the real-time pressure signal of the internal gas of pressure control part transmission experiment cabin, if pressure signal is higher than the pressure value or the pressure range of settlement, pressure control part control governing valve closes, the inside atmospheric pressure of experiment cabin body reduces, if pressure signal is less than the pressure value or the pressure range of settlement, pressure control part control governing valve opens, to the inside atmospheric pressure increase of experiment cabin body, until pressure signal reaches the pressure value of settlement or be in the pressure range of settlement.
Preferably, the pressure regulating device further comprises a negative pressure air exhaust part, the negative pressure air exhaust part is communicated with the experiment cabin body, and the output end of the pressure control part is electrically connected with the negative pressure air exhaust part; the pressure control part is used for receiving the pressure signal sent by the pressure detection part and comparing the pressure signal with the internal pressure value of the pressure control part so as to control the switch of the negative pressure air exhaust part.
In the scheme, in order to simulate the negative pressure working condition in the plateau environment, the pressure detection part detects the air pressure in the experiment cabin body in real time; the pressure control part compares the real-time pressure signal with a set negative pressure value, and when the pressure signal is lower than the set negative pressure value or negative pressure range, the pressure control part controls the negative pressure air extraction part to be closed and simultaneously the regulating valve is opened; when the pressure signal is higher than the set negative pressure value or negative pressure range, the pressure control part controls the negative pressure air exhaust part to be opened, and the regulating valve is closed at the same time; so as to realize the function of closed-loop negative pressure accurate control with feedback.
Preferably, the humidity adjusting device comprises a humidity detecting component, a humidity control component and a humidity adjuster, wherein the humidity detecting component and the humidity adjuster are both arranged in the experiment chamber body, the input end of the humidity control component is electrically connected with the humidity detecting component, and the output end of the humidity control component is electrically connected with the humidity adjuster; the humidity control component is used for receiving the humidity signal sent by the humidity detection component and comparing the humidity signal with the internal humidity value of the humidity detection component so as to control the on-off of the humidity regulator.
In the scheme, a humidity detection component, a humidity control component and a humidity regulator are arranged to realize the function of closed-loop control of the environmental humidity, wherein the humidity detection component transmits a humidity signal to the humidity control component in real time, the humidity control component analyzes and compares the real-time humidity signal with a set humidity value, and if the humidity signal is higher than the set humidity value, the humidity control component controls the humidity regulator to be closed; if the humidity signal is lower than the set humidity value, the humidity control component controls the humidity regulator to be opened so as to increase the environmental humidity.
Preferably, the humidity regulator is a humidifier, and the air source is a dry air source.
In this scheme, inside dry gas got into experiment cabin body, humidified to it by the humidifier again to reach the target humidity of setting for, owing to only need control the humidifier, need not to control drying device, humidity control link is few, and humidity control is simple, accurate.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in: the existing engine environment simulation equipment can not completely simulate the temperature, pressure and humidity of the environment, but the utility model can simultaneously simulate the environmental characteristics and can provide air in the real environment in the engine test process; inside current temperature regulation apparatus located the experiment cabin body, outside air current enters into the cabin body inside and needs the certain time buffering could reach the temperature that needs, and the inside gas temperature of experiment cabin body is disturbed by outside gas easily, and this scheme is through setting up temperature regulation apparatus between air supply and experiment cabin body, and gas is when getting into the experiment cabin body, has just reached the temperature that needs, consequently in the engine test process, can continuously maintain the cabin temperature.
Drawings
Fig. 1 is a schematic view of an environmental experiment chamber according to an embodiment of the present invention.
Description of reference numerals:
experiment cabin body 100
Temperature control device 200
Temperature detecting part 210
First-stage heat exchanger 231
Secondary heat exchanger 232
Temperature regulating assembly 240
Pressure detection part 310
Regulating valve 320
Negative pressure pumping part 330
Humidity detection part 410
Gas source 500
Water cooling system 600
Pressure relief component 700
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
Fig. 1 shows does the utility model relates to an embodiment of environmental experiment cabin for the test engine, environmental experiment cabin includes experiment cabin body 100, thermoregulator 200, pressure regulation device, humidity control device and air supply 500, thermoregulator 200's both ends intercommunication air supply 500 and experiment cabin body 100 to make gaseous earlier through the inside that temperature regulation device 200 heaied up or cooled down then get into experiment cabin body 100, humidity regulation device locates the inside of experiment cabin body 100, pressure regulation device intercommunication experiment cabin body 100.
In this example, the air source 500 enters the experiment chamber body 100 through the temperature adjusting device 200, the pressure adjusting device and the humidity adjusting device act together to adjust the temperature, the air pressure and the humidity of the air inside the experiment chamber body 100 through closed-loop control, so that the air pressure, the air pressure and the humidity reach set values, and the environment of negative pressure, low temperature, high temperature and corresponding humidity in the plateau environment can be simulated.
The first and the existing engine environment simulation equipment can not completely simulate the temperature, the pressure and the humidity of the environment, and the scheme can simultaneously simulate the environmental characteristics and can provide air in the real environment in the engine test process; second, inside the experiment cabin body was located to current temperature regulation apparatus, outside air current entered into the cabin body inside need certain time buffering could reach the temperature that needs, the inside gas temperature of experiment cabin body is disturbed by outside gas easily, and this scheme is through setting up temperature regulation apparatus 200 between air supply 500 and experiment cabin body 100, and gas is when getting into experiment cabin body 100, has just reached the temperature that needs, consequently in the engine test process, can continuously maintain the cabin temperature.
Preferably, the temperature adjusting device 200 comprises a temperature detecting part 210, a temperature control part and a heat exchanger, the temperature detecting part 210 is arranged inside the experiment chamber body 100, two ends of the heat exchanger are communicated with the air source 500 and the experiment chamber body 100, the input end of the temperature control part is electrically connected with the temperature detecting part 210, and the output end of the temperature control part is electrically connected with the heat exchanger; the temperature control unit is used for receiving the temperature signal sent by the temperature detection unit 210 and comparing the temperature signal with the internal temperature value of the temperature detection unit to control the on/off of the heat exchanger.
Specifically, the temperature detecting unit 210 is a temperature sensor.
In this example, the temperature detection unit 210, the temperature control unit and the heat exchanger realize closed-loop control, the temperature detection unit 210 transmits a real-time temperature signal to the temperature control unit, if the temperature signal is higher than a set temperature value or a set temperature range, the temperature control unit controls the heat exchanger to cool the gas inside, and if the temperature signal is lower than the set temperature value or the set temperature range, the temperature control unit controls the heat exchanger to heat the gas passing through the inside until the temperature signal reaches the set temperature value or is within the set temperature range, so as to provide the gas with accurate temperature inside the experiment chamber body 100.
Preferably, the number of the heat exchangers is at least two, and the at least two heat exchangers are connected in series and are communicated with each other; alternatively, the number of heat exchangers is one.
In this embodiment, the number of the heat exchangers is two, and the two heat exchangers are respectively a first-stage heat exchanger 231 and a second-stage heat exchanger 232, the first-stage heat exchanger 231 performs primary heat exchange for the air source 500, the second-stage heat exchanger 232 performs secondary accurate heat exchange for the air source 500, and the two heat exchangers are used in combination, so that the heat exchange efficiency is improved, and the temperature adjustment precision is ensured; the cost is obviously increased by selecting more heat exchangers, but the temperature adjusting effect is not high, so that the selection of two heat exchangers is the most cost-effective choice.
In this example, two heat exchangers connected in series can control the gas temperature more stably than a single heat exchanger, and as the number of heat exchangers increases, the gas temperature stability is higher, and the corresponding manufacturing cost can increase.
Preferably, the temperature adjusting device 200 further comprises a temperature adjusting component 240 arranged inside the experiment chamber body 100, and the output end of the temperature control component is electrically connected with the temperature adjusting component 240; the temperature control component is used for receiving the temperature signal sent by the temperature detection component 210 and comparing the temperature signal with the internal temperature value of the temperature control component to control the on/off of the temperature regulation assembly 240.
In this example, as the engine continues to operate in the experiment chamber body 100, the engine itself emits a large amount of heat and high temperature exhaust gas, and the temperature inside the experiment chamber body 100 changes accordingly, the temperature adjusting assembly 240 functions to adjust and maintain the temperature inside the experiment chamber body 100, and at the same time, the temperature of the gas inside the experiment chamber body 100 can be closed-loop controlled by the temperature detecting unit 210 and the temperature control unit.
In this embodiment, the temperature adjustment assembly 240 and the heat exchanger act together, so as to ensure the temperature of the inlet air, and the temperature of the gas inside the experiment chamber body 100, and reduce the interference of the temperature of the engine and the inlet air on the temperature inside the experiment chamber body 100, so that the temperature of the gas inside the experiment chamber body 100 can be maintained within a controllable range, and a stable and reliable temperature condition is provided for the test of the engine.
The temperature detection component 210 transmits real-time temperature signals of the gas in the experiment chamber body 100 to the temperature control component, if the temperature signals are higher than a set temperature value or a set temperature range, the temperature control component controls the temperature adjustment assembly 240 to cool the gas inside, and if the temperature signals are lower than the set temperature value or the set temperature range, the temperature control component controls the temperature adjustment assembly 240 to heat the gas passing through the inside until the temperature signals reach the set temperature value or are in the set temperature range.
Preferably, the environmental laboratory module comprises a water cooling system 600, wherein the water cooling system 600 is connected to the heat exchanger and/or the temperature regulating assembly 240.
In this example, water cooling system 600 is connected with temperature adjustment subassembly 240, and the inside liquid circulation of water cooling system 600 is in order to cool down temperature adjustment subassembly 240, compares in current air cooling system, and water cooling system 600 cooling effect is better, and is also more stable, avoids leading to temperature adjustment subassembly 240 work efficiency to reduce or even reduce its life because of the cooling effect is poor.
In other embodiments, the water cooling system 600 is connected to a heat exchanger, and the liquid inside the water cooling system 600 circulates to cool the heat exchanger.
Preferably, the temperature regulating assembly 240 includes a temperature increasing part and/or a temperature decreasing part.
Specifically, the temperature raising member is an electric heating wire, a high-frequency heater or a heating furnace.
Specifically, the cooling part is a compressor or a heat exchanger.
In this example, the heating component is an electric heating wire, the electric heating wire increases the temperature of the gas inside the experiment chamber body 100, the cooling component is a compressor, and the compressor reduces the temperature of the gas inside the experiment chamber body 100.
In other embodiments, an air supply device is arranged in the experiment chamber body 100, and the air supply device supplies air for the compressor and the electric heating wire; meanwhile, the air supply device increases the convection of the gas in the experiment chamber, so that the temperature in the experiment chamber is uniform, and local high temperature is avoided.
Preferably, the pressure regulating device comprises a pressure detecting part 310, a pressure control part and a regulating valve 320, wherein the pressure detecting part 310 is arranged inside the experiment chamber body 100, the regulating valve 320 is arranged between the experiment chamber body 100 and the air source 500 and is communicated with the experiment chamber body 100 and the air source 500, the input end of the pressure control part is electrically connected with the pressure detecting part 310, and the output end of the pressure control part is electrically connected with the regulating valve 320; the pressure control part is used for receiving the pressure signal sent by the pressure detection part 310 and comparing the pressure signal with the internal pressure value of the pressure detection part to control the opening and closing of the regulating valve 320.
Specifically, the regulating valve 320 is a flow controller, the regulating valve 320 is disposed between the gas source 500 and the primary heat exchanger 231, and the flow controller can detect the flow rate supplemented into the pipeline by the gas source 500 and can also control the flow rate.
Specifically, the pressure detecting component 310 is a pressure sensor, which includes but is not limited to an air pressure sensor.
In this example, the pressure detection unit 310, the pressure control unit and the regulating valve 320 form a closed-loop control, the pressure detection unit 310 transmits a real-time pressure signal of the gas in the experiment chamber body 100 to the pressure control unit, if the pressure signal is higher than a set pressure value or pressure range, the pressure control unit controls the regulating valve 320 to close, the air pressure inside the experiment chamber body 100 decreases, if the pressure signal is lower than the set pressure value or pressure range, the pressure control unit controls the regulating valve 320 to open, and the air pressure inside the experiment chamber body 100 increases until the pressure signal reaches the set pressure value or is within the set pressure range.
In other embodiments, the experiment chamber body 100 is provided with the pressure relief component 700, the pressure relief component 700 is a pressure relief valve or a back pressure valve, the pressure relief valve can be mechanical or electronic, and when the internal air pressure of the experiment chamber body 100 exceeds a set value, gas is discharged through the pressure relief valve or the back pressure valve, so as to maintain the internal air pressure of the experiment chamber body 100 below the set value.
Preferably, the pressure adjusting device further comprises a negative pressure air extracting part 330, the negative pressure air extracting part 330 is communicated with the experiment chamber body 100, and the output end of the pressure control part is electrically connected with the negative pressure air extracting part 330; the pressure control unit is used for receiving the pressure signal sent by the pressure detection unit 310 and comparing the pressure signal with the internal pressure value of the pressure detection unit to control the on/off of the negative pressure pumping unit 330.
Specifically, the negative pressure pumping part 330 is a vacuum pump.
In this example, to simulate the negative pressure condition in the plateau environment, the pressure detection component 310 detects the air pressure inside the experiment chamber body 100 in real time; the pressure control part compares the real-time pressure signal with a set negative pressure value, and when the pressure signal is lower than the set negative pressure value or the negative pressure range, the pressure control part controls the negative pressure air exhaust part 330 to close and simultaneously controls the regulating valve 320 to open; when the pressure signal is higher than the set negative pressure value or negative pressure range, the pressure control part controls the negative pressure pumping part 330 to open, and the regulating valve 320 is closed; so as to realize the function of closed loop negative pressure precise control with feedback.
Preferably, the humidity adjusting device comprises a humidity detecting component 410, a humidity control component and a humidity adjuster, wherein the humidity detecting component 410 and the humidity adjuster are both arranged inside the experiment chamber body 100, the input end of the humidity control component is electrically connected with the humidity detecting component 410, and the output end of the humidity control component is electrically connected with the humidity adjuster; the humidity control part is used for receiving the humidity signal sent by the humidity detection part 410 and comparing the humidity signal with the internal humidity value of the humidity detection part to control the on/off of the humidity regulator.
Specifically, the humidity detection part 410 is a humidity sensor.
In this example, a humidity detection component 410, a humidity control component and a humidity regulator are provided to realize a function of closed-loop control of the environmental humidity, wherein the humidity detection component 410 transmits a humidity signal to the humidity control component in real time, the humidity control component analyzes and compares the real-time humidity signal with a set humidity value, and if the humidity signal is higher than the set humidity value, the humidity control component controls the humidity regulator to be turned off; if the humidity signal is lower than the set humidity value, the humidity control part controls the humidity regulator to be opened so as to increase the environmental humidity.
Preferably, the humidity regulator is a humidifier and the air source 500 is a dry air source 500.
In this example, dry gas enters the interior of the experiment chamber body 100 and is humidified by the humidifier to reach the set target humidity, and because only the humidifier needs to be controlled and a drying device does not need to be controlled, humidity control links are few, and humidity adjustment is simple and accurate.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (10)

1. An environmental test chamber for testing an engine, comprising: the environment experiment chamber comprises an experiment chamber body, a temperature adjusting device, a pressure adjusting device, a humidity adjusting device and an air source, wherein the two ends of the temperature adjusting device are communicated with the air source and the experiment chamber body, so that air firstly passes through the temperature adjusting device to be heated or cooled and then enters the inside of the experiment chamber body, the humidity adjusting device is arranged in the inside of the experiment chamber body, and the pressure adjusting device is communicated with the experiment chamber body.
2. The environmental laboratory module of claim 1, wherein: the temperature adjusting device comprises a temperature detecting component, a temperature control component and a heat exchanger, wherein the temperature detecting component is arranged in the experiment chamber body, two ends of the heat exchanger are communicated with the gas source and the experiment chamber body, the input end of the temperature control component is electrically connected with the temperature detecting component, and the output end of the temperature control component is electrically connected with the heat exchanger;
the temperature control component is used for receiving the temperature signal sent by the temperature detection component and comparing the temperature signal with the internal temperature value of the temperature control component so as to control the switch of the heat exchanger.
3. The environmental laboratory module of claim 2, wherein: the number of the heat exchangers is at least two, and the at least two heat exchangers are connected in series and are communicated with each other;
or, the number of the heat exchangers is one.
4. The environmental laboratory module of claim 2, wherein: the temperature adjusting device also comprises a temperature adjusting assembly arranged in the experiment cabin body, and the output end of the temperature control component is electrically connected with the temperature adjusting assembly;
the temperature control component is used for receiving the temperature signal sent by the temperature detection component and comparing the temperature signal with the internal temperature value of the temperature control component so as to control the switch of the temperature regulation component.
5. The environmental laboratory module of claim 4, wherein: the environmental experiment chamber comprises a water cooling system, and the water cooling system is connected with the heat exchanger and/or the temperature regulating assembly.
6. The environmental laboratory module of claim 4, wherein: the temperature adjusting component comprises a temperature rising component and/or a temperature reducing component.
7. The environmental laboratory module of claim 1, wherein: the pressure adjusting device comprises a pressure detecting part, a pressure control part and an adjusting valve, the pressure detecting part is arranged in the experiment cabin body, the adjusting valve is arranged between the experiment cabin body and the gas source and is communicated with the experiment cabin body and the gas source, the input end of the pressure control part is electrically connected with the pressure detecting part, and the output end of the pressure control part is electrically connected with the adjusting valve;
the pressure control component is used for receiving the pressure signal sent by the pressure detection component and comparing the pressure signal with the internal pressure value of the pressure control component so as to control the switch of the regulating valve.
8. The environmental laboratory module of claim 7, wherein: the pressure adjusting device also comprises a negative pressure air extracting part, the negative pressure air extracting part is communicated with the experiment cabin body, and the output end of the pressure control part is electrically connected with the negative pressure air extracting part;
the pressure control part is used for receiving the pressure signal sent by the pressure detection part and comparing the pressure signal with the internal pressure value of the pressure control part so as to control the switch of the negative pressure air exhaust part.
9. The environmental laboratory module of claim 1, wherein: the humidity adjusting device comprises a humidity detecting part, a humidity control part and a humidity adjuster, wherein the humidity detecting part and the humidity adjuster are both arranged in the experiment chamber body, the input end of the humidity control part is electrically connected with the humidity detecting part, and the output end of the humidity control part is electrically connected with the humidity adjuster;
the humidity control component is used for receiving the humidity signal sent by the humidity detection component and comparing the humidity signal with the internal humidity value of the humidity detection component so as to control the on-off of the humidity regulator.
10. The environmental laboratory module of claim 9, wherein: the humidity regulator is a humidifier, and the air source is a dry air source.
CN202222570176.3U 2022-09-27 2022-09-27 Environmental experiment cabin Active CN218444474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222570176.3U CN218444474U (en) 2022-09-27 2022-09-27 Environmental experiment cabin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222570176.3U CN218444474U (en) 2022-09-27 2022-09-27 Environmental experiment cabin

Publications (1)

Publication Number Publication Date
CN218444474U true CN218444474U (en) 2023-02-03

Family

ID=85084749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222570176.3U Active CN218444474U (en) 2022-09-27 2022-09-27 Environmental experiment cabin

Country Status (1)

Country Link
CN (1) CN218444474U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116116480A (en) * 2023-02-22 2023-05-16 中国空气动力研究与发展中心高速空气动力研究所 Device for constructing environment maintaining extremely dry wide temperature range and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116116480A (en) * 2023-02-22 2023-05-16 中国空气动力研究与发展中心高速空气动力研究所 Device for constructing environment maintaining extremely dry wide temperature range and use method thereof

Similar Documents

Publication Publication Date Title
CN109962318B (en) Battery pack cooling liquid flow control system and control method based on dual fuzzy control
CN218444474U (en) Environmental experiment cabin
CN108615911B (en) Water heat management system of vehicle fuel cell and control method thereof
CN112098854B (en) Cooling test system suitable for fuel cell test and control method thereof
CN204212847U (en) Cold constant temperature device in engine booster
CN113067018A (en) Fuel cell hydrogen circulation test system
CN110108503B (en) Plateau air intake and exhaust simulation system for new energy automobile test
CN104549577A (en) All-weather variable-working-condition compensating type high-low-temperature environment simulating test chamber
CN101871999B (en) Constant temperature windproof test chamber
CN214471694U (en) Ejector performance testing device
CN104635794A (en) Apparatus for precisely regulating intake temperature by water cooling
CN110284978A (en) EGR valve self-learning method based on unilateral driving
CN110274766A (en) A kind of internal combustion engine altitude environment simulation system and analogy method
CN113465969A (en) Freeze dryer performance testing device and freeze dryer performance testing method
CN115882014B (en) Device and method for controlling air inlet temperature of fuel cell
CN214836788U (en) Air intake system and diesel engine
CN115074239B (en) Fermentation system
CN114151321B (en) Hydrogen circulating pump test system for fuel cell engine and test method thereof
CN113959486B (en) Single-tank type air inlet and outlet simulation system for fuel cell system and control method thereof
CN211374053U (en) Fuel cell engine system simulation equipment
CN215263063U (en) High-low temperature test box capable of adjusting refrigerating capacity steplessly
CN111536100B (en) Temperature control system and temperature control method for high-acceleration test bed of hydraulic element
CN213660464U (en) Simulation rack for controlling joint debugging of fuel cell engine system components
CN210834209U (en) Test tool for calibrating heat management of water-cooled battery
CN111365224A (en) Test equipment of carbon tank cleaning pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant