CN111650113A - Energy-saving system for whole vehicle environmental test cabin and control method - Google Patents
Energy-saving system for whole vehicle environmental test cabin and control method Download PDFInfo
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- CN111650113A CN111650113A CN202010607281.2A CN202010607281A CN111650113A CN 111650113 A CN111650113 A CN 111650113A CN 202010607281 A CN202010607281 A CN 202010607281A CN 111650113 A CN111650113 A CN 111650113A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/1928—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperature of one space
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Abstract
The invention relates to an energy-saving system for a whole vehicle environmental test chamber and a control method, and the energy-saving system comprises the whole vehicle test chamber and a fresh air device for replacing air for the whole vehicle test chamber, wherein the fresh air device is connected into the whole vehicle test chamber through a first pipeline; a first valve is arranged on the first pipeline, and a second valve is arranged on the second pipeline. According to the comparison between the temperature of the supplemented fresh air and the ambient temperature in the cabin, the regulation of each pipeline is controlled, and the temperature of the supplemented fresh air is regulated by fully utilizing the gas temperature in the cabin; by adopting the system and the control method, the temperature difference between the supplemented fresh air and the environment in the cabin can be eliminated, and the supplemented fresh air is pre-cooled or heated by utilizing the gas discharged from the cabin through the heat exchanger, so that the energy consumption is saved.
Description
Technical Field
The invention relates to the technical field of vehicle running tests, in particular to an energy-saving system for a vehicle environmental test cabin and a control method.
Background
The environmental test chamber is a scientific and technological means for simulating natural environment to damage modern industrial products so as to test the tolerance and reliability of the products to the environment, and various environmental factors such as temperature and humidity in the real environment can be manufactured by the environmental test chamber.
At present, a whole vehicle environmental test chamber is generally adopted for carrying out simulated environmental tests on a whole vehicle of an automobile, the whole vehicle environmental test chamber tests the working state according to the whole vehicle environmental test performance, and proper ventilation and air conditioning equipment is adopted to meet the test requirements of the whole vehicle such as power performance, economic performance, cold start performance, air conditioning performance, low-temperature adaptability, emission performance and the like; test vehicle is when the under-deck moves, can consume the in-deck oxygen, consequently, need to supply the air to the under-deck, the air among the external environment contains a large amount of steam, directly send into the under-deck can exert an influence to the humiture in the under-deck, and when the under-deck carries out the low temperature test, steam in the air can condense into ice in the under-deck, attach the evaporimeter, the inboard wall, the surface of under-deck test piece etc., produce adverse effect, so the air of replenishment need dehumidify, adopt mechanical refrigeration dehumidification and dry air dehumidification to realize at present usually, but even after dehumidifying, because the temperature difference appears with the under-deck temperature of the new trend of mending, and the new trend of mending can cause the influence to the internal environment, thereby influence the experimental final result of vehicle.
Disclosure of Invention
The invention aims to solve the technical problem of providing an energy-saving system for an environmental test cabin of a whole vehicle and a control method, which can adjust the temperature of the supplemented fresh air to be close to the environmental temperature in the cabin and reduce the influence of the supplemented fresh air on the test environment.
The technical scheme adopted by the invention for solving the technical problems is as follows: an energy-saving system for a finished automobile environmental test chamber comprises the finished automobile test chamber and fresh air equipment for replacing air for the finished automobile test chamber, wherein the fresh air equipment is connected into the finished automobile test chamber through a first pipeline; and a first valve is arranged on the first pipeline, and a second valve is arranged on the second pipeline.
Further specifically, a collector is arranged at a position, located at the tail gas emission position, of the vehicle in the whole vehicle test cabin, the collector is connected with a third pipeline, the third pipeline is connected to a heat exchanger, and a third valve and a fan are arranged on the third pipeline.
More specifically, a fourth pipeline is branched from the third pipeline, the fourth pipeline is directly communicated to the external environment, and a fourth valve is arranged on the fourth pipeline.
More specifically, the branch point of the fourth pipeline from the third pipeline is located at the front end of the third valve.
Further specifically, a control center is arranged beside the whole vehicle test chamber and used for controlling the first valve, the second valve, the third valve and the fourth valve, a pressure sensor is arranged in the whole vehicle test chamber and used for detecting internal pressure and transmitting the internal pressure to the control center, and the control center controls the internal pressure of the whole vehicle test chamber to be higher than the external environment pressure.
Further specifically, an intra-cabin temperature sensor is arranged in the whole vehicle test cabin, a first temperature sensor is arranged on a first pipeline between the whole vehicle test cabin and the heat exchanger, and the control center adjusts the flow rate of gas according to the received temperature collected by the intra-cabin temperature sensor and the first temperature sensor to realize temperature control.
Further specifically, the third pipeline is connected to a second pipeline between the second valve and the heat exchanger, a mixed pipeline is formed between the joint of the second pipeline and the third pipeline and the heat exchanger, the mixed pipeline is provided with a second temperature sensor, and the control center receives a temperature signal of the second temperature sensor and adjusts the temperature in the mixed pipeline by controlling the second valve and the third valve.
Further specifically, a third temperature sensor is arranged on the fourth pipeline, and the control center receives a temperature signal of the third temperature sensor and controls the rotating speed of the fan to adjust the temperature in the fourth pipeline.
A control method of an energy-saving system for an environmental test cabin of a whole vehicle comprises the following steps,
s1, detecting whether the vehicle is started, if not, entering the step S2, and if so, entering the step S3;
s2, collecting the ambient temperature T1 in the cabin, collecting the fresh air temperature T2 in the first pipeline, comparing the ambient temperature T1 with the fresh air temperature T2 to obtain a difference value T, setting a temperature difference threshold value delta T, if the difference value T is less than or equal to the delta T, opening the first valve and the fourth valve, closing the second valve, the third valve and the fan, and if the difference value T is more than the delta T, opening the first valve and the second valve, and closing the third valve, the fourth valve and the fan;
s3, collecting the ambient temperature T1 in the cabin, collecting the fresh air temperature T2 in the first pipeline, comparing the ambient temperature T1 with the fresh air temperature T2 to obtain a difference value T, setting a temperature difference threshold value delta T, and if the difference value T is less than or equal to delta T, opening the first valve and the fourth valve, closing the second valve, the third valve and the fan; if the difference T > Δ T, go to step S4;
s4, if T1 is larger than T2, opening the first valve, the third valve, the fourth valve and the fan, closing the second valve, collecting the temperature T3 in the third pipeline at the moment, if T3 is larger than T1, reducing the third valve to reduce the exhaust volume of the third pipeline, and when the difference T is smaller than or equal to delta T, closing the third valve; and if the T1 is less than the T2, opening the first valve, the second valve, the fourth valve and the fan, closing the third valve, collecting the temperature T4 in the fourth pipeline, and if the T4 is more than 250 ℃, increasing the rotating speed of the fan.
Further specifically, the pressure in the cabin and the ambient pressure are collected, the pressure in the cabin and the ambient pressure are compared to obtain a difference value P, and if the difference value P is larger than 50Pa, the rotating speed of the fan is increased or the second valve is increased.
The invention has the beneficial effects that: by adopting the system, the temperature difference between the supplemented fresh air and the environment in the cabin can be eliminated, and the supplemented fresh air is pre-cooled or heated by utilizing the gas discharged in the cabin through the heat exchanger, so that the energy consumption is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a logic diagram of the control method of the present invention.
In the figure: 1. a finished automobile test cabin; 2. fresh air equipment; 3. a first conduit; 4. a second conduit; 5. a heat exchanger; 6. a first valve; 7. a second valve; 8. a collector; 9. a third pipeline; 10. a third valve; 11. a fan; 12. a fourth conduit; 13. a fourth valve; 14. the control center; 15. a pressure sensor; 16. an in-cabin temperature sensor; 17. a first temperature sensor; 18. a second temperature sensor; 19. a third temperature sensor.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an energy saving system for a whole vehicle environmental test chamber comprises a whole vehicle test chamber 1 and a fresh air device 2 for changing air for the whole vehicle test chamber 1, wherein the whole vehicle test chamber 1 can completely seal a whole vehicle, an air conditioner and a heater are matched for adjusting the environment in the chamber, the fresh air device 2 is used for dehumidifying external air and sending the dehumidified external air into the chamber, the fresh air device 2 is connected into the whole vehicle test chamber 1 through a first pipeline 3, the first pipeline 3 is connected to the top of the whole vehicle test chamber 1, a second pipeline 4 is arranged on the whole vehicle test chamber 1 for exhausting air, the air in the chamber environment is exhausted to the external environment, a heat exchanger 5 is arranged on the first pipeline 3 and the second pipeline 4, the heat exchanger 5 heats or cools the fresh air entering the whole vehicle test chamber 1 through the first pipeline 3 to approach the temperature in the whole vehicle test chamber 1, namely, the second pipeline 4 exchanges heat of the gas exhausted from the cabin with the gas in the first pipeline 3 through the heat exchanger 5, so that the temperature of the gas entering the whole vehicle test cabin 1 from the first pipeline 3 is close to the ambient temperature in the cabin; a first valve 6 is arranged on the first pipeline 3, a second valve 7 is arranged on the second pipeline 4, and the first valve 6 and the second valve 7 can control the air inlet speed and the air outlet speed.
Because only the heat exchange is carried out between the environmental gas in the finished automobile test chamber 1 and the gas in the first pipeline 3, the temperature difference can also affect the environment in the chamber, a collector 8 is arranged at the tail gas discharge position of the vehicle in the finished automobile test chamber 1, the collector 8 is connected with a third pipeline 9, the third pipeline 9 is connected to a heat exchanger 5, a third valve 10 and a fan 11 are arranged on the third pipeline 9, the fan 11 adopts a variable frequency centrifugal fan, and the temperature of the tail gas of the vehicle is higher than the environmental temperature in the chamber, so the gas in the first pipeline 3 is heated by collecting the tail gas of the vehicle, and the temperature can be closer to the environmental temperature; when the temperature of the environment in the cabin is lower than the temperature of the gas in the first pipeline 3, no heating is needed, so that a fourth pipeline 12 is branched from the third pipeline 9, the fourth pipeline 12 is directly communicated to the external environment, a fourth valve 13 is arranged on the fourth pipeline 12, and the branched point of the fourth pipeline 12 from the third pipeline 9 is positioned at the front end of the third valve 10 and is directly discharged.
Based on the structure, the automatic control of the energy-saving system can be realized by acquiring the temperature and controlling correspondingly.
A control center 14 is arranged beside the finished automobile test chamber 1, the control center 14 is used for controlling a first valve 6, a second valve 7, a third valve 10 and a fourth valve 13, a pressure sensor 15 and an intra-chamber temperature sensor 16 are arranged in the finished automobile test chamber 1, a first temperature sensor 17 is arranged on a first pipeline 3 between the finished automobile test chamber 1 and a heat exchanger 5, a third pipeline 9 is connected to a second pipeline 4 between the second valve 7 and the heat exchanger 5, a mixed pipeline is formed between the connection part of the second pipeline 4 and the third pipeline 9 and the heat exchanger 5, and a second temperature sensor 18 is arranged on the mixed pipeline; a third temperature sensor 19 is arranged on the fourth pipeline 12; the pressure sensor 15 detects the internal pressure and transmits the internal pressure to the control center 14, and the control center 14 controls the internal pressure of the whole vehicle test chamber 1 to be higher than the external environment pressure; the control center 14 adjusts the flow rate of the gas to control the temperature according to the received temperatures collected by the temperature sensor 16 and the first temperature sensor 17 in the cabin; the control center 14 receives the temperature signal of the second temperature sensor 18 and regulates the temperature in the mixing pipe by controlling the second valve 7 and the third valve 10; the control center 14 receives the temperature signal of the third temperature sensor 19 and controls the rotation speed of the fan 11 to adjust the temperature in the fourth pipeline 12.
The above-described control manner is classified into two modes according to whether the interior test vehicle is operated or not, as shown in fig. 2:
in the first mode, the test vehicle is not running.
At the moment, fresh air needs to be introduced, the ambient temperature T1 in the cabin is collected, the fresh air temperature T2 in the first pipeline is collected, the ambient temperature T1 is compared with the fresh air temperature T2 to obtain a difference value T, a temperature difference threshold value delta T is set, the delta T is 5 ℃ in the scheme, if the T is less than or equal to 5 ℃, the temperature difference between the ambient temperature T1 and the fresh air temperature T2 is small, the fresh air can be directly introduced, the first valve 6 and the fourth valve 13 are opened, the second valve 7, the third valve 10 and the variable-frequency centrifugal fan are closed, and the fourth valve 13 is opened to balance the pressure in the cabin; and if T > 5 ℃, this moment shows that the temperature difference between the ambient temperature T1 and the fresh air temperature T2 is large, the fresh air can affect the environment after entering, the first valve 6 and the second valve 7 are opened, the third valve 10, the fourth valve 13 and the variable frequency centrifugal fan are closed, so that the gas in the second pipeline 4 flows out and passes through the heat exchanger 5, exchanges heat with the gas in the first pipeline 3 and then is discharged to the atmosphere, and after the gas in the first pipeline 3 enters the cabin, the gas is cooled or heated by the gas in the second pipeline 4, approaches the ambient temperature in the cabin, and the environmental impact on the cabin is small.
In the second mode, the test vehicle begins to run.
At this time, fresh air needs to be introduced, and the mode is divided into three conditions:
in the first situation, if T is less than or equal to 5 ℃, the temperature difference between the environment temperature T1 and the fresh air temperature T2 is not large, fresh air can be directly introduced, the first valve 6 and the fourth valve 13 are opened, the second valve 7, the third valve 10 and the variable-frequency centrifugal fan are closed, the environment in the cabin is not affected after the fresh air is introduced, and meanwhile, the fourth valve is used for balancing the pressure in the cabin; and when T is more than 5 ℃, judging whether the temperature is the second condition or the third condition.
In the second situation, the indoor environment temperature T1 is higher than the fresh air temperature T2, that is, T1 is greater than T2, at this time, the first valve 6, the third valve 10, the fourth valve 13 and the variable frequency centrifugal fan are opened, the second valve 7 is closed, and because the exhaust emission of the test vehicle is a fixed value, the amount of gas sucked by the collector 8 can be changed by adjusting the variable frequency centrifugal fan, the temperature T3 of the gas in the third pipeline 9 can be changed, the control center 14 monitors the temperature T3 of the gas in the mixing pipeline through the second temperature sensor 18, and the frequency of the variable frequency centrifugal fan is adjusted to adjust the temperature T3 of the gas in the third pipeline 9; the gas exchanges heat with the gas in the first pipeline 3 through the heat exchanger 5, so that the temperature of fresh air T2 is as close as possible to the ambient temperature T1 in the cabin; part of the mixed gas is directly discharged into the atmosphere through the fourth pipeline 12; when the temperature T3 of the gas in the third pipeline 9 is too high, namely T3 is greater than T1, the third valve 10 can be properly closed according to the fresh air temperature T2, so that the fresh air temperature T2 is slightly lower than the temperature T1 in the cabin, and the redundant gas is directly discharged into the atmosphere through the fourth pipeline 12; when the temperature difference T is less than or equal to 5 ℃, the third valve 10 is directly closed, and the gas in the second pipeline 4 is adopted for continuous preheating; at the moment, the temperature of the fresh air entering the cabin environment is ensured to be slightly lower than the cabin environment temperature.
In the third situation, the indoor environment temperature T1 is lower than the fresh air temperature T2, that is, T1 is less than T2, at this time, the first valve 6, the second valve 7, the fourth valve 13 and the variable-frequency centrifugal fan are opened, the third valve 10 is closed, and the second valve 7 is adjusted to pre-cool the fresh air in the first pipeline 3; the control center 14 monitors the temperature T4 in the fourth pipeline 12 through the third temperature sensor 19, and if the temperature T4 is too high, i.e., T4 is greater than 250 ℃, adjusts the frequency conversion centrifugal fan to increase the rotating speed so as to accelerate the air flow to change the temperature, so as to protect the pipeline and the frequency conversion centrifugal fan; the exhaust gas in the cabin is directly discharged through the fourth pipeline 12.
And in the control, the ambient pressure in the cabin and the external ambient pressure are collected, the ambient pressure in the cabin and the external ambient pressure are compared to obtain a difference value P, if the difference value P is larger than 50Pa, the rotating speed of the fan is increased or the second valve is increased, so that the ambient pressure in the cabin is slightly larger than the external ambient pressure.
In conclusion, the control of the energy-saving system is controlled by the control center, and manual operation is not needed; the heat exchanger 5 is used for pre-cooling or heating the fresh air by using the gas discharged from the cabin, so that the energy consumption is saved; the pressure in the cabin is controlled through the control center 14, the positive pressure in the cabin is kept, and outside air is prevented from entering the cabin; the temperature of the fresh air is controlled through the control center 14, and the fresh air is prevented from being overhigh and becoming a heat load.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. An energy-saving system for a finished automobile environmental test cabin comprises a finished automobile test cabin (1) and a fresh air device (2) used for replacing air for the finished automobile test cabin (1), wherein the fresh air device (2) is connected into the finished automobile test cabin (1) through a first pipeline (3), the energy-saving system is characterized in that a second pipeline (4) is arranged on the finished automobile test cabin (1) and used for exhausting air, a heat exchanger (5) is arranged on the first pipeline (3) and the second pipeline (4), and the heat exchanger (5) enables fresh air to enter the finished automobile test cabin (1) through the first pipeline (3) and to be heated or cooled to be close to the temperature in the finished automobile test cabin (1); a first valve (6) is arranged on the first pipeline (3), and a second valve (7) is arranged on the second pipeline (4).
2. The energy-saving system for the whole vehicle environmental test chamber as claimed in claim 1, wherein a collector (8) is arranged at a vehicle exhaust emission position in the whole vehicle test chamber (1), the collector (8) is connected with a third pipeline (9), the third pipeline (9) is connected to the heat exchanger (5), and a third valve (10) and a fan (11) are arranged on the third pipeline (9).
3. The energy-saving system for the whole vehicle environmental test chamber as recited in claim 2, wherein a fourth pipeline (12) is branched from the third pipeline (9), the fourth pipeline (12) is directly communicated to the external environment, and a fourth valve (13) is arranged on the fourth pipeline (12).
4. The vehicle environmental test chamber economizer system of claim 3, wherein the branch point of the fourth pipe (12) from the third pipe (9) is located at the front end of the third valve (10).
5. The energy-saving system for the whole vehicle environmental test chamber according to claim 3, wherein a control center (14) is arranged beside the whole vehicle test chamber (1), the control center (13) is used for controlling the first valve (6), the second valve (7), the third valve (10) and the fourth valve (13), a pressure sensor (15) is arranged in the whole vehicle test chamber (1), the pressure sensor (15) detects that the internal pressure is transmitted to the control center (14), and the control center (14) controls the internal pressure of the whole vehicle test chamber (1) to be higher than the external environmental pressure.
6. The energy-saving system for the whole vehicle environmental test chamber according to claim 5, wherein an intra-chamber temperature sensor (16) is arranged in the whole vehicle test chamber (1), a first temperature sensor (17) is arranged on a first pipeline (3) between the whole vehicle test chamber (1) and the heat exchanger (5), and the control center (14) adjusts the flow rate of gas according to the received temperatures collected by the intra-chamber temperature sensor (16) and the first temperature sensor (17) to realize temperature control.
7. The energy-saving system for the whole vehicle environmental test chamber as recited in claim 6, wherein the third pipeline (9) is connected to the second pipeline (4) between the second valve (7) and the heat exchanger (5), a mixed pipeline is formed between the connection position of the second pipeline (4) and the third pipeline (9) and the heat exchanger (5), the mixed pipeline is provided with the second temperature sensor (18), the control center (14) receives a temperature signal of the second temperature sensor (18), and the temperature in the mixed pipeline is adjusted by controlling the second valve (7) and the third valve (10).
8. The energy-saving system for the whole vehicle environmental test chamber as recited in claim 6, wherein a third temperature sensor (19) is arranged on the fourth pipeline (12), and the control center (14) receives a temperature signal of the third temperature sensor (19) and controls the rotation speed of the fan (11) to adjust the temperature in the fourth pipeline (12).
9. A control method of an energy-saving system for an environmental test cabin of a whole vehicle is characterized by comprising the following steps of,
s1, detecting whether the vehicle is started, if not, entering the step S2, and if so, entering the step S3;
s2, collecting the ambient temperature T1 in the cabin, collecting the fresh air temperature T2 in the first pipeline, comparing the ambient temperature T1 with the fresh air temperature T2 to obtain a difference value T, setting a temperature difference threshold value delta T, if the difference value T is less than or equal to the delta T, opening the first valve and the fourth valve, closing the second valve, the third valve and the fan, and if the difference value T is more than the delta T, opening the first valve and the second valve, and closing the third valve, the fourth valve and the fan;
s3, collecting the ambient temperature T1 in the cabin, collecting the fresh air temperature T2 in the first pipeline, comparing the ambient temperature T1 with the fresh air temperature T2 to obtain a difference value T, setting a temperature difference threshold value delta T, and if the difference value T is less than or equal to delta T, opening the first valve and the fourth valve, closing the second valve, the third valve and the fan; if the difference T > Δ T, go to step S4;
s4, if T1 is larger than T2, opening the first valve, the third valve, the fourth valve and the fan, closing the second valve, collecting the temperature T3 in the third pipeline at the moment, if T3 is larger than T1, reducing the third valve to reduce the exhaust volume of the third pipeline, and when the difference T is smaller than or equal to delta T, closing the third valve; and if the T1 is less than the T2, opening the first valve, the second valve, the fourth valve and the fan, closing the third valve, collecting the temperature T4 in the fourth pipeline, and if the T4 is more than 250 ℃, increasing the rotating speed of the fan.
10. The control method of the energy-saving system for the whole vehicle environmental test chamber as recited in claim 9, wherein the pressure in the chamber and the ambient pressure are collected, the pressure in the chamber and the ambient pressure are compared to obtain a difference P, and if the difference P is greater than 50Pa, the rotation speed of the fan is increased or the second valve is adjusted to be larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607281.2A CN111650113A (en) | 2020-06-29 | 2020-06-29 | Energy-saving system for whole vehicle environmental test cabin and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607281.2A CN111650113A (en) | 2020-06-29 | 2020-06-29 | Energy-saving system for whole vehicle environmental test cabin and control method |
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| CN111650113A true CN111650113A (en) | 2020-09-11 |
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| CN202010607281.2A Pending CN111650113A (en) | 2020-06-29 | 2020-06-29 | Energy-saving system for whole vehicle environmental test cabin and control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326535A (en) * | 2020-11-19 | 2021-02-05 | 南京工业职业技术大学 | Low-temperature test system for hydraulic filter and detection method thereof |
| CN112683450A (en) * | 2020-12-11 | 2021-04-20 | 上海增达科技股份有限公司 | Dust test cabin for whole vehicle test |
| CN113899554A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control method for slow-vehicle running environment field of laboratory aircraft engine |
| CN113899555A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control system for slow-vehicle running environment field of laboratory aircraft engine |
| CN115283023A (en) * | 2022-07-29 | 2022-11-04 | 浙江吉利控股集团有限公司 | Test chamber |
-
2020
- 2020-06-29 CN CN202010607281.2A patent/CN111650113A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326535A (en) * | 2020-11-19 | 2021-02-05 | 南京工业职业技术大学 | Low-temperature test system for hydraulic filter and detection method thereof |
| CN112683450A (en) * | 2020-12-11 | 2021-04-20 | 上海增达科技股份有限公司 | Dust test cabin for whole vehicle test |
| CN113899554A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control method for slow-vehicle running environment field of laboratory aircraft engine |
| CN113899555A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control system for slow-vehicle running environment field of laboratory aircraft engine |
| CN113899554B (en) * | 2021-12-10 | 2022-02-18 | 中国飞机强度研究所 | Balance control method for slow-vehicle running environment field of laboratory aircraft engine |
| CN115283023A (en) * | 2022-07-29 | 2022-11-04 | 浙江吉利控股集团有限公司 | Test chamber |
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