CN101793626A - Air volume adjusting knob durability test device for automobile air conditioning system - Google Patents
Air volume adjusting knob durability test device for automobile air conditioning system Download PDFInfo
- Publication number
- CN101793626A CN101793626A CN 201010133936 CN201010133936A CN101793626A CN 101793626 A CN101793626 A CN 101793626A CN 201010133936 CN201010133936 CN 201010133936 CN 201010133936 A CN201010133936 A CN 201010133936A CN 101793626 A CN101793626 A CN 101793626A
- Authority
- CN
- China
- Prior art keywords
- time relay
- solenoid valve
- air
- cylinder
- adjusting knob
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000004378 air conditioning Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000001351 cycling effect Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 24
- 238000011084 recovery Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air volume adjusting knob durability test device for an automobile air conditioning system, comprising an air switch, a time relay, an AC contactor, a solenoid valve, a cylinder, a counter, a tee joint, an air tube, an oil-water separator and the like, wherein the air switch is used for controlling the power supply of the test device to be switched on and off and plays the role of security protection; the time relay is a cycle time relay for controlling the switching on and off time of the AC contactor and is used for controlling the switching on and off time of the solenoid valve; the AC contactor is used for controlling the counting of a counter; the solenoid valve is used for controlling the commutation of the cylinder; the cylinder is used for controlling the action of the air volume adjusting knob; a pressure gage is arranged in the oil-water separator to provide needed test pressure for the cylinder; and the counter is used for the accumulated counting in the durability test. The air volume adjusting knob durability test device for the automobile air conditioning system provided by the invention solves the problem that air volume adjusting knob durability can not be accurately measured. The invention is suitable for automobiles with an air conditioning system.
Description
Technical field
The invention belongs to a kind of proving installation technical field, relate in particular to air volume adjusting knob durability test device for automobile air conditioning system.
Background technology
Prior art, is promptly required great effort all by manually carrying out to the test of automotive air-conditioning system air volume adjusting knob durability, can not accurately examine the reliability of automotive air-conditioning system air volume adjusting knob again.
Summary of the invention
For overcoming the above-mentioned problems in the prior art, the invention provides a kind of air volume adjusting knob durability test device for automobile air conditioning system, the control method of this device is by time relay control electromagnetic valve, the solenoid control cylinder, the action of cylinder control air volume adjusting knob, thus realize automotive air-conditioning system air volume adjusting knob durability test control automatically.
The present invention is specifically by the following technical solutions:
A kind of air volume adjusting knob durability test device for automobile air conditioning system, this test unit comprise air switch, very first time relay, second time relay, the 3rd time relay, first solenoid valve, second solenoid valve, first cylinder, second cylinder, T-valve and oil-water separator; It is characterized in that:
Described air switch input termination AC power, the phase line end of output terminal is connected respectively to an end of the very first time, second time relay, the 3rd time relay, first solenoid valve and the second solenoid valve solenoid, and the zero line side of described air switch output terminal is connected to the other end of the 3rd time relay solenoid and the input contact pin of a pair of normally opened contact of the 3rd time relay and a pair of normally closed contact;
The output contact pin of the 3rd time relay normally opened contact is connected to the other end of second time relay solenoid and the input contact pin of second time relay normally closed contact, and the output contact pin of second time relay normally closed contact is connected to the other end of the described second solenoid valve solenoid;
The output contact pin of the 3rd time relay normally closed contact is connected to the other end of very first time electromagnetic coil relay and the input contact pin of very first time relay normally closed contact, and the output contact pin of very first time relay normally closed contact is connected to the other end of the first solenoid valve solenoid;
By T-valve, oil-water separator the air inlet port of described first solenoid valve, second solenoid valve is linked to each other with high-pressure air pipe successively, first cylinder connect the outlet side that the gas port is connected to described first solenoid valve, described second cylinder connect the port of giving vent to anger that the gas port is connected to described second solenoid valve;
Described first to the 3rd time relay is the power on/off time that cycle time relay is used to control first solenoid valve and second solenoid valve;
Described first solenoid valve and second solenoid valve are respectively applied for the commutation of control first cylinder and second cylinder;
Described first cylinder and second cylinder are used for the action of Control of Automobile air-conditioning system air volume adjusting knob.
Effect of the present invention is: air volume adjusting knob durability test device for automobile air conditioning system provided by the invention can carry out endurancing to air volume adjusting knob under air-conditioning system is in running order, separate the problem that accurately to test the permanance of air volume adjusting knob, simple in structure, easy to manufacture, Operation and maintenance convenience.
The present invention is applicable to the automobile that automatic air-conditioning system is housed.
Description of drawings
Fig. 1 is an air volume adjusting knob durability test device for automobile air conditioning system structural representation of the present invention;
Fig. 2 is air volume adjusting knob durability test device for automobile air conditioning system control principle figure of the present invention.
Embodiment
Below, in conjunction with the accompanying drawings and embodiment, air volume adjusting knob durability test device for automobile air conditioning system of the present invention is described in further detail;
According to air-conditioner controller endurancing requirement, the air volume adjusting knob durability test is done a circulation according to following (1) (2) step at every turn, does 8000 circulations altogether.
(1) opening power is pressed the button above the air quantity operating key, whenever presses air quantity increase key once, and the display screen wind speed increases by 1 grade, and the fan blower wind speed increases, and the operation air quantity increases key 6 times, and the air quantity demonstration is 7 grades to the maximum.
(2) press button below the air quantity operating key, whenever reduce key once by air quantity, the display screen wind speed reduces 1 grade, and the fan blower wind speed reduces, and the operation air quantity reduces key 6 times, and air quantity shows that minimum is 1 grade.
Fig. 1 is the air volume adjusting knob durability test device for automobile air conditioning system structural representation, and in Fig. 1, air volume adjusting knob durability test device for automobile air conditioning system is made up of control box 3 and cylinder.Referring to Fig. 2, air switch 12, first to the 3rd time relay 8,9,10, A.C. contactor 13, counter 14, oil-water separator 11, threeway and first solenoid valve 6, second solenoid valve 7 are housed in the control box 3.
Referring to Fig. 1, before test, with the anchor clamps (not shown) first cylinder 1 and second cylinder 2 are fixed on the automotive air-conditioning controller 4, make first cylinder 1 be arranged in air-conditioner controller air volume adjusting knob 5 air quantity and increase key (Fig. 1 air volume adjusting knob+) top, make second cylinder 2 be arranged in air volume adjusting knob 5 air quantity and reduce key (Fig. 1 air volume adjusting knob-) top.Make air-conditioner controller in running order, the attaching plug of air switch is inserted in the 220V AC Power supply socket of test site, the oil-water separator inlet end is linked to each other with high pressure gas interface in the test site with tracheae.Control box 3 is controlled the actuation time of first cylinder 1 and second cylinder 2 according to testing requirements, and cylinder was controlled the button time of air-conditioner controller air quantity button.
Fig. 2 is air volume adjusting knob durability test device for automobile air conditioning system control principle figure of the present invention.In Fig. 2, with tracheae the gas port that connects of first cylinder 1 and second cylinder 2 is linked to each other with the port of giving vent to anger of first solenoid valve 6 with second solenoid valve 7 respectively, by threeway the air inlet port of first solenoid valve 6 and second solenoid valve 7 and oil-water separator 11 port of giving vent to anger is linked to each other with tracheae.Air switch 12, first to the 3rd time relay 8,9,10, A.C. contactor 13, the counter 14 and first solenoid valve 6 and second solenoid valve 7 are pressed Fig. 2 and are electrically connected.Air switch 12 input termination AC power, the phase line end of output terminal is connected respectively to an end of very first time relay 8, second time relay 9, the 3rd time relay 10, first solenoid valve 6 and second solenoid valve, 7 solenoids, and the zero line side of described air switch 12 output terminals is connected to the other end of the 3rd time relay 10 solenoids and the input contact pin of the 3rd time relay 10 a pair of normally opened contacts and a pair of normally closed contact.The output contact pin of the 3rd time relay 10 normally opened contacts is connected to the other end of second time relay, 9 solenoids and the input contact pin of second time relay, 9 normally closed contacts, and the output contact pin of second time relay, 9 normally closed contacts is connected to the other end of described second solenoid valve, 7 solenoids.The output contact pin of the 3rd time relay 10 normally closed contacts is connected to the other end of very first time relay 8 solenoids and the input contact pin of very first time relay 8 normally closed contacts, and the output contact pin of very first time relay 8 normally closed contacts is connected to the other end of first solenoid valve, 6 solenoids.By T-valve, oil-water separator 11 the air inlet port of described first solenoid valve 6, second solenoid valve 7 is linked to each other with high-pressure air pipe successively, first cylinder 1 connect the outlet side that the gas port is connected to described first solenoid valve 6, described second cylinder 2 connect the port of giving vent to anger that the gas port is connected to described second solenoid valve 7.
The control of each element is as follows:
The break-make of air switch control test unit power supply;
The 3rd time relay is set to 12S and 12S 10 cycling times, the solenoid two ends of the 3rd time relay 10 and air switch 12 ac power outputs are electrically connected, a contact pin of the normally opened contact of the 3rd time relay 10 is electrically connected with second time relay, 9 solenoids, one end, the normally opened contact of the 3rd time relay 10 is used to control the power on/off time of second time relay 9, a contact pin of the normally closed contact of the 3rd time relay 10 is electrically connected with very first time relay 8 solenoids one end, the normally closed contact of the 3rd time relay 10 is used to control the power on/off time of very first time relay 8, a contact pin of the normally opened contact of the 3rd time relay 10 is electrically connected with A.C. contactor 13 solenoids one end, the normally opened contact of the 3rd time relay 10 is used to control the power on/off time of A.C. contactor 13, very first time relay 8, second time relay 9 and the A.C. contactor 13 solenoid other ends are electrically connected with air switch 12 AC power zero line output terminals;
Be set to 1S and 1S the cycling time of very first time relay 8, a contact pin of the normally closed contact of very first time relay 8 is electrically connected with first solenoid valve, 6 solenoids, one end, the normally closed contact of very first time relay 8 is used to control the power on/off time of first solenoid valve 6, and first solenoid valve, the 6 solenoid other ends exchange the ground connection output terminal and are electrically connected with air switch 12;
Be set to 1S and 1S the cycling time of second time relay 9, a contact pin of the normally closed contact of second time relay 9 is electrically connected with second solenoid valve, 7 solenoids, one end, the normally closed contact of second time relay 9 is used to control the power on/off time of second solenoid valve 7, and second solenoid valve, the 7 solenoid other ends exchange the zero line output terminal and are electrically connected with air switch 12;
The two ends of A.C. contactor 13 normally opened contacts are electrically connected with two counting terminals of counter 14, are used in test stored count of control counter 14;
First solenoid valve 6 is used to control the commutation action of first cylinder 1;
The air quantity that first cylinder 1 is used to control above the air quantity adjusting air quantity operating key button increases the key action;
The control procedure of endurance test bed of the present invention is as follows:
When air switch is pressed the solenoid energising that connection makes the 3rd time relay 10:
The 3rd time relay 10 is energising 12S earlier, and its normally opened contact disconnects 12S (the closed 12S of its normally closed contact) earlier, is recycled to the closed 12S of the 3rd time relay 10 normally opened contacts (normally closed contact disconnects 12S) then:
1, the closed control of connecting very first time relay 8 solenoid 12S of the 3rd time relay 10 normally closed contacts:
Very first time relay is set to 1S and 1S 8 cycling times, and very first time relay 8 normally closed contacts are closed 1S (normally opened contact disconnects 1S) earlier, is recycled to very first time relay 8 normally closed contacts then and disconnects 1S (the closed 1S of normally opened contact):
The air quantity of pressing above the air quantity operating key increases key, whenever presses air quantity increase key once, and the display screen wind speed increases by 1 grade, and the fan blower wind speed increases, and the operation air quantity increases key 6 times, and the air quantity demonstration is 7 grades control to the maximum:
A) press the control procedure that air quantity is regulated the air quantity increase key above the air quantity operating key button keys:
Spools in the closed 1S of very first time relay 8 normally closed contacts → first solenoid valve, 6 energising 1S → first solenoid valve 6 commutate mobile 1S → gases at high pressure by oil-water separator 11 pressure regulation → gases at high pressure by threeway → gases at high pressure by first solenoid valve, 6 → gases at high pressure promote piston rod in first cylinder 1 descending → air quantity that piston rod is pressed above the air quantity operating key button increases key 1S, air quantity increases once;
B) air quantity is regulated the air quantity increase key recovery ortho states control procedure above the air quantity operating key button keys:
Very first time relay 8 normally closed contacts disconnect commutate air quantity that return 1S → gases at high pressure promote piston rod up 1S → air quantity operating key above first cylinder 1 in by threeway → gases at high pressure by first solenoid valve, 6 → gases at high pressure by oil-water separator 11 → gases at high pressure of spools in 1S → first solenoid valve, 6 outage 1S → first solenoid valve 6 and increase key automatic recovery ortho states is once when piston rod is up under the retracing spring effect.
Test unit according to above-mentioned a), b) cyclic process is for once constantly working, the air quantity above the air quantity operating key increases key temperature adjustment 6 times (air quantity increases to maximum), recovers ortho states 6 times, altogether 12S.
2, be recycled to the closed control of connecting second time relay, 9 solenoid 12S of the 3rd time relay 10 normally opened contacts:
The air quantity of pressing below the air quantity operating key button reduces key, whenever reduces key once by air quantity, and the display screen wind speed reduces 1 grade, and the fan blower wind speed reduces, and the operation air quantity reduces key 6 times, and air quantity shows that minimum is 1 grade control.
Second time relay is set to 1 second and 1 second 9 cycling times, and second time relay, 9 normally closed contacts are closed 1S (normally opened contact disconnects 1S) earlier, is recycled to second time relay, 9 normally closed contacts then and disconnects 1S (the closed 1S of normally opened contact):
A) second cylinder 2 is pressed the control procedure that air quantity below the air quantity operating key button reduces key:
Spools in the closed 1S of second time relay, 9 normally closed contacts → second solenoid valve, 7 energising 1S → second solenoid valve 7 commutate mobile 1S → gases at high pressure by oil-water separator 11 → gases at high pressure by threeway → gases at high pressure by second solenoid valve, 7 → gases at high pressure promote piston rod in second cylinder 2 descending → air quantity that piston rod is pressed below the air quantity operating key button reduces key 1S, air quantity reduces once;
B) air quantity below the air quantity operating key button reduces key recovery ortho states control procedure:
Second time relay, 9 normally closed contacts disconnect spools in 1S → second solenoid valve, the 7 outage 1S → second solenoid valve 7 return S → gases at high pressure that commutates under the retracing spring effect promotes air quantity piston rod up 1S → air quantity operating key second cylinder 2 in below by threeway → gases at high pressure by second solenoid valve, 7 → gases at high pressure by oil-water separator 11 → gases at high pressure and reduces key automatic recovery ortho states is once when piston rod is up.
Test unit according to above-mentioned a), b) cyclic process is for once constantly working, the air quantity below the air quantity operating key reduces the key temperature adjustment 6 times (air quantity is reduced to minimum shelves), recovers ortho states 6 times, altogether 12S.
Test unit according to above-mentioned 1 and 2 one cyclic process for once constantly working.
3, counting control
A.C. contactor 13 by the control of the 3rd time relay 10 normally opened contacts is switched on once, and counter 14 work that are connected on A.C. contactor 13 normally opened contacts are counted once, and counter 14 carries out stored count to test number (TN) in process of the test.
4, off-test
When counter 14 stored counts are 8000 times, pull air switch 12 and cut off experiment power supply, pull high pressure gas switch 12 and cut off source of the gas, finish the automotive air-conditioning system air volume adjusting knob durability is tested.
Claims (4)
1. air volume adjusting knob durability test device for automobile air conditioning system, this test unit comprises air switch, very first time relay, second time relay, the 3rd time relay, first solenoid valve, second solenoid valve, first cylinder, second cylinder, T-valve and oil-water separator; It is characterized in that:
Described air switch input termination AC power, the phase line end of output terminal is connected respectively to an end of very first time relay, second time relay, the 3rd time relay, first solenoid valve and the second solenoid valve solenoid, and the zero line side of described air switch output terminal is connected to the other end of the 3rd time relay solenoid and the input contact pin of a pair of normally opened contact of the 3rd time relay and a pair of normally closed contact;
The output contact pin of the 3rd time relay normally opened contact is connected to the other end of second time relay solenoid and the input contact pin of second time relay normally closed contact, and the output contact pin of second time relay normally closed contact is connected to the other end of the described second solenoid valve solenoid;
The output contact pin of the 3rd time relay normally closed contact is connected to the other end of very first time electromagnetic coil relay and the input contact pin of very first time relay normally closed contact, and the output contact pin of very first time relay normally closed contact is connected to the other end of the first solenoid valve solenoid;
By T-valve, oil-water separator the air inlet port of described first solenoid valve, second solenoid valve is linked to each other with high-pressure air pipe successively, first cylinder connect the outlet side that the gas port is connected to described first solenoid valve, described second cylinder connect the port of giving vent to anger that the gas port is connected to described second solenoid valve;
Described first to the 3rd time relay is the power on/off time that cycle time relay is used to control first solenoid valve and second solenoid valve;
Described first solenoid valve and second solenoid valve are respectively applied for the commutation of control first cylinder and second cylinder;
Described first cylinder and second cylinder are used for the action of Control of Automobile air-conditioning system air volume adjusting knob.
2. air volume adjusting knob durability test device for automobile air conditioning system according to claim 1 is characterized in that: described device also comprises the A.C. contactor sum counter, is used for the counting of test number (TN);
The two ends of described A.C. contactor solenoid are connected to the output contact pin of described air switch output terminal phase line end and the 3rd time relay normally opened contact respectively, and two contact pin of described A.C. contactor normally opened contact are connected to two counting terminals of described counter respectively.
3. air volume adjusting knob durability test device for automobile air conditioning system according to claim 1 and 2 is characterized in that:
The 3rd time relay is set to 12S and 12S cycling time, the 12S that promptly switches on earlier, and its normally opened contact disconnects 12S earlier, the 12S that cuts off the power supply then, its normally opened contact is connected 12S;
Very first time relay is set to 1S and 1S cycling time, and promptly the closed 1S of its normally closed contact elder generation is recycled to its normally closed contact then and disconnects 1S;
Second time relay is set to 1S and 1S cycling time, and promptly the closed 1S of its normally closed contact elder generation is recycled to its normally closed contact then and disconnects 1S.
4. air volume adjusting knob durability test device for automobile air conditioning system according to claim 3 is characterized in that:
Described A.C. contactor is switched on once, and counter works is counted once, and counter carries out stored count to test number (TN) in process of the test, when the counter stored count is 8000 times, finishes the automotive air-conditioning system air volume adjusting knob durability is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101339363A CN101793626B (en) | 2010-03-26 | 2010-03-26 | Air volume adjusting knob durability test device for automobile air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101339363A CN101793626B (en) | 2010-03-26 | 2010-03-26 | Air volume adjusting knob durability test device for automobile air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101793626A true CN101793626A (en) | 2010-08-04 |
| CN101793626B CN101793626B (en) | 2012-07-04 |
Family
ID=42586439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101339363A Expired - Fee Related CN101793626B (en) | 2010-03-26 | 2010-03-26 | Air volume adjusting knob durability test device for automobile air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101793626B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175458A (en) * | 2011-01-27 | 2011-09-07 | 东风朝阳柴油机有限责任公司 | Automatic detection controller for testing performance of heater plug of automobile |
| CN102981077A (en) * | 2012-11-27 | 2013-03-20 | 芜湖美的厨卫电器制造有限公司 | High-low pressure impact tester and testing method thereof |
| CN103822780A (en) * | 2014-03-10 | 2014-05-28 | 珠海格力电器股份有限公司 | Electric cooker cover opening and closing test tool |
| CN114414266A (en) * | 2022-01-28 | 2022-04-29 | 重庆长安汽车股份有限公司 | Air volume reversing device for air conditioning system comprehensive performance test bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344458A (en) * | 2008-08-26 | 2009-01-14 | 重庆长安汽车股份有限公司 | Durability test console for vehicle remote control central lock system |
| CN101358903A (en) * | 2008-09-10 | 2009-02-04 | 重庆长安汽车股份有限公司 | Life test console for electric glass lifter for automobile |
| CN101393080A (en) * | 2008-10-09 | 2009-03-25 | 重庆长安汽车股份有限公司 | Feedback system for automobile remote control central control lock system life test console |
| CN101666857A (en) * | 2009-08-31 | 2010-03-10 | 重庆长安汽车股份有限公司 | Device for durability tests of automotive air-conditioning controller buttons |
| CN101672892A (en) * | 2009-09-24 | 2010-03-17 | 重庆长安汽车股份有限公司 | Device for testing durability of button of CD machine of automobile |
-
2010
- 2010-03-26 CN CN2010101339363A patent/CN101793626B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344458A (en) * | 2008-08-26 | 2009-01-14 | 重庆长安汽车股份有限公司 | Durability test console for vehicle remote control central lock system |
| CN101358903A (en) * | 2008-09-10 | 2009-02-04 | 重庆长安汽车股份有限公司 | Life test console for electric glass lifter for automobile |
| CN101393080A (en) * | 2008-10-09 | 2009-03-25 | 重庆长安汽车股份有限公司 | Feedback system for automobile remote control central control lock system life test console |
| CN101666857A (en) * | 2009-08-31 | 2010-03-10 | 重庆长安汽车股份有限公司 | Device for durability tests of automotive air-conditioning controller buttons |
| CN101672892A (en) * | 2009-09-24 | 2010-03-17 | 重庆长安汽车股份有限公司 | Device for testing durability of button of CD machine of automobile |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175458A (en) * | 2011-01-27 | 2011-09-07 | 东风朝阳柴油机有限责任公司 | Automatic detection controller for testing performance of heater plug of automobile |
| CN102981077A (en) * | 2012-11-27 | 2013-03-20 | 芜湖美的厨卫电器制造有限公司 | High-low pressure impact tester and testing method thereof |
| CN102981077B (en) * | 2012-11-27 | 2015-07-08 | 芜湖美的厨卫电器制造有限公司 | High-low pressure impact tester and testing method thereof |
| CN103822780A (en) * | 2014-03-10 | 2014-05-28 | 珠海格力电器股份有限公司 | Electric cooker cover opening and closing test tool |
| CN114414266A (en) * | 2022-01-28 | 2022-04-29 | 重庆长安汽车股份有限公司 | Air volume reversing device for air conditioning system comprehensive performance test bed |
| CN114414266B (en) * | 2022-01-28 | 2023-07-07 | 重庆长安汽车股份有限公司 | Air quantity reversing device for comprehensive performance test bed of air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101793626B (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102072551B (en) | Air conditioner starting and operating at low voltage and control method thereof | |
| CN101793626B (en) | Air volume adjusting knob durability test device for automobile air conditioning system | |
| CN204420562U (en) | A kind of SF6 self-filler | |
| CN100595552C (en) | Motor vehicle electric glass frame riser endurance test control tabel | |
| CN208334582U (en) | A kind of direct current trolley circuit-breaker switching on-off test device | |
| CN102508155B (en) | Test circuit for internally installed load switch of intelligent electric energy meter | |
| CN101788388B (en) | Automobile wiper water spray switch endurance test device | |
| CN101666857A (en) | Device for durability tests of automotive air-conditioning controller buttons | |
| CN201181836Y (en) | Protecting equipment for air conditioner compressor | |
| CN200989931Y (en) | Domestic air conditioner outdoor machine voltage circulating compact testing device | |
| CN202548291U (en) | Special controller for testing mechanical behavior of pole-mounted vacuum automatic distribution switch | |
| CN201293823Y (en) | Operating device for testing GIS isolation switch and ground switch | |
| CN101806859A (en) | Automobile automatic air-conditioning system temperature setting button durability test device | |
| CN207967919U (en) | A kind of mobile air conditioner unit with misphase default-phase protection function | |
| CN103595132A (en) | Intelligent monitoring system of air conditioners of transformer substation | |
| CN101762395B (en) | Durability test device for automotive air-conditioning condenser fan | |
| CN203607926U (en) | Intelligent monitoring system of air conditioners of transformer substation | |
| CN101846584B (en) | Device for testing durability of buzzer for automobile | |
| CN204063458U (en) | A kind of recuperation of heat control circuit being applied to air-conditioner | |
| CN101793614B (en) | Automobile air conditioning evaporator pressure alternation resistance test bed | |
| CN101787947B (en) | Automobile spray emulator endurance test device | |
| CN201673038U (en) | Durability test device for machine oil pressure responding plug on automobiles | |
| CN201548579U (en) | Delayed-response transducer for withstand voltage test of transformer | |
| CN105571044A (en) | Control method for variable frequency air conditioner | |
| CN101793615B (en) | Compression-strength testing device of automobile air conditioning evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |