CN202255910U - Warmer box type test device - Google Patents
Warmer box type test device Download PDFInfo
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- CN202255910U CN202255910U CN2011203782708U CN201120378270U CN202255910U CN 202255910 U CN202255910 U CN 202255910U CN 2011203782708 U CN2011203782708 U CN 2011203782708U CN 201120378270 U CN201120378270 U CN 201120378270U CN 202255910 U CN202255910 U CN 202255910U
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Abstract
The utility model discloses a warmer box type test device, which comprises a test circuit and an automatic controller, wherein the test circuit comprises a water circuit, an oil circuit and a sensor system. The water circuit including a warmer is formed by sequentially connecting a water box, the warmer, a magnetic valve and a water box. The oil circuit is formed by sequentially connecting an oil box, an oil-saving magnetic valve, a warmer and an oil box. The water circuit and the oil circuit are capable of accurately simulating the real operational environment of the warmers, namely, oil fuels are provided for the warmers through the oil circuit, and the warmer warms water in the water circuit. Operating data of water flow in the water circuit, temperature of water outlets of the warmers, temperature of water inlets of the warmers, water pressure of the water inlets of the warmers, water pressure of water outlets of the warmers, oil inlet quantity of the warmers of the oil circuit, oil return quantity of the warmers, pressure of the oil circuit and the like are collected through the sensor system, and then the data can be input to the automatic controller to calculate operating parameters of the warmers combined with predetermined nominal parameters.
Description
Technical field
The utility model relates to a kind of vehicle warmer experimental provision device, particularly about the box experimental provision of a kind of warmer.
Background technology
Vehicle uses warmer to be mainly used in warm-up the engine and heating installation is provided as pilothouse cold season.The core of warmer is the combustion heat-exchange device, and fuel oil forms mist of oil through the ejection of atomizer high pressure, and mist of oil mixes the abundant burning in back with even air and discharges great amount of heat energy in burner.Heat energy in the burner mainly enters into heat-exchanger rig through thermal-radiating mode; Heat transferring medium in the heat-exchanger rig is through the radiant heat energy of heat conducting mode fast Absorption thermal-flame; Heat transferring medium gets into engine system through power cycle, realizes the preheating before the engine cold-start.
Warmer is the nucleus equipment of vehicle; In process of production; Need carry out strict check to its performance index can dispatch from the factory; The vehicle warmer has been formulated test specification both at home and abroad at present, like GJB2007A-2005 " armored vehicle fluid warmer general specification " and warmer individual event standard, manufacturing enterprise need test the performance index of warmer according to wherein each regulation.In R&D process, through the performance index of test warmer under different situations, obtain first-hand test figure, in order to improve and to improve the performance of warmer.Test is to carry out through manual to the vehicle warmer at present, and measuring process is very complicated loaded down with trivial details, and the measuring equipment structure is scattered, is not easy to the equipment quality check in the suitability for industrialized production.
Summary of the invention
The purpose of the utility model is to the deficiency in the existing combustion heat-exchange technology, and a kind of warmer running environment that is used to simulate is provided, and has tridimensional structure, the box experimental provision of the warmer that integrated degree is high.
The technical scheme of the utility model is following:
The box experimental provision of a kind of warmer is characterized in that: it comprises test loop, self-actuated controller, casing, and wherein said test loop is arranged on said box house, and it is outside that said self-actuated controller is arranged on said casing; Said test loop comprises water loop, oil return line and sensing system; Said water loop comprises water tank, throttle solenoid valve, and the outlet of water tank connects the inlet of warmer, and the outlet of warmer connects the inlet of throttle solenoid valve, and the inlet of water tank connects the outlet of throttle solenoid valve; Said oil return line comprises fuel tank, fuel-economizing solenoid valve; The outlet of said fuel tank connects the inlet of said fuel-economizing solenoid valve; The outlet of said fuel-economizing solenoid valve connects the inlet of oil pump; The outlet of said oil pump connects the inlet of said fuel tank, and the oil transportation outlet of said oil pump connects the oil transportation inlet of said warmer; Said test loop is spatial structure in said casing, and said fuel tank and said water tank are fixed on the sidewall of said casing, and the position of said fuel tank is not less than 4 meters of said warmers; The position of said water tank is higher than said warmer 1～1.2m;
Said sensing system is gathered the service data of said water loop and oil return line; Said sensor-based system is imported the service data of gathering in the said self-actuated controller and is calculated; The performance index of said warmer are preserved and exported to said self-actuated controller, and to said throttle solenoid valve, fuel-economizing solenoid valve, warmer and oil pump output control signal.
Said water loop and said oil return line are fixed on the inside of said casing through clothes-hook.
Said sensing system comprises flow of inlet water sensor, water inlet temperature sensor, the intake pressure sensor that is arranged between water tank described in the said water loop and the said warmer, and is arranged on water delivering orifice temperature sensor, discharge pressure sensor between said warmer and the throttle solenoid valve; And be arranged on oil-feed flow sensor, the oil pressure sensor between fuel tank described in the said oil return line and the fuel-economizing solenoid valve, and be arranged on the oil sensor that goes out between said oil pump and the fuel tank.
Said casing is provided with view window respectively at the correspondence position of said flow of inlet water sensor, water inlet temperature sensor, intake pressure sensor, water delivering orifice temperature sensor, discharge pressure sensor, oil-feed flow sensor, fuel-displaced flow sensor, oil pressure sensor.
Said self-actuated controller comprises data acquisition card, processor, database and human-machine interface module; The output of wherein said sensing system connects the input end of said data acquisition card; The output terminal of said data acquisition card connects the input end of said processor; The input end of said processor connects the input end of said database, and the output terminal of said human-machine interface module connects the input end of said database.
The technique effect of the utility model is following:
The box experimental provision of a kind of warmer of the utility model comprises test loop, self-actuated controller, casing, and wherein test loop is arranged on box house, and self-actuated controller is arranged on the casing outside; Test loop comprises water loop, oil return line and sensing system; Water loop comprises water tank, throttle solenoid valve; Oil return line comprises fuel tank, fuel-economizing solenoid valve; Test loop is the three-dimensional setting at box house, and fuel tank and water tank are fixed on the sidewall of casing, and the installation site of fuel tank is not less than 4 meters of warmers; The installation site of water tank is higher than warmer 1～1.2m.Sensing system is gathered the service data of said water loop and oil return line; And import in the said self-actuated controller and calculate; The performance index of said warmer are preserved and exported to said self-actuated controller, and to said throttle solenoid valve, fuel-economizing solenoid valve, warmer and oil pump output control signal.Because the each several part of test loop all is arranged in the casing, and the three-dimensional setting, makes that the integrated degree of whole device is higher; Rational in infrastructure and take up space little; Can casing is whole mobile when mobile, protected inner parts, make to obtain its serviceable life prolonging.
Water loop and oil return line can accurately be simulated the real running environment of warmer, are that warmer provides oil fuel through oil return line promptly, and warmer is heated to the water in the water loop.Gather mass rate, warmer water delivering orifice temperature, warmer water inlet temperature, warmer water inlet hydraulic pressure, warmer water delivering orifice hydraulic pressure in the water loop through sensing system; And service data such as warmer oil inlet quantity of oil return line, warmer recirculating oil quantity, oil circuit pressure, can it be imported the operational factor that the prefabricated nominal parameter of combination in the self-actuated controller calculates warmer.
The system of the utility model organically combines hardware in the test loop and the software in the self-actuated controller, guarantees that test macro has good dynamic quality, realizes the functions such as automatic collection, processing and management of test data.Flow process control is calculated with operational factor and is all carried out through self-actuated controller, has liberated the labour effectively, has improved the checkability of product, has reduced production cost.Self-actuated controller also has powerful extendable functions, can add sensor and adjustment control flow as required.Control system in the self-actuated controller is closed-loop control, in test job, breaks down, and can feed back in time or report to the police; Can realize auto stop and relight; In test process, the operator should be able to intervene control and adjustment parameter at any time, and has and return and select test function.
Water loop and oil return line sensor can be monitored water loop and oil return line situation in real time in whole process, in time to water loop and oil return line hypertonia, instability of flow or excessive, too small, abnormal conditions such as temperature is too high, combustion instability are reported to the police and arrestment operation automatically.
Description of drawings
Fig. 1 is the box experimental provision structural representation of the vehicle warmer of the utility model
Fig. 2 is the test loop structural representation of the utility model
Fig. 3 is the pressure control loop structural representation of water loop
Fig. 4 is the treatment scheme synoptic diagram in the processor of the utility model
Embodiment
Below in conjunction with accompanying drawing the utility model is described.
Like Fig. 1, shown in Figure 2, the box experimental provision of the warmer of the utility model comprises test loop 1, self-actuated controller 2, power supply 3, casing 4.Wherein test loop 1 comprises water loop 11 and oil return line 12, and water loop 11 is the water cycle that comprises warmer, and warmer is used for the water in the heating circuit, and oil return line 12 provides fuel oil for warmer; Test loop 1 has been simulated the running environment of warmer, through each item service data of warmer in the sensor output test environment, and service data is imported in the self-actuated controller 2.Self-actuated controller 2 is mainly used in the service data of acceptance test loop 1 output; And calculate the performance index such as specified heat flux, lift, fuel consumption, oil pump power, the thermal efficiency of warmer according to service data; And compare with acceptance value; In order to screen specification product and substandard product, simultaneously service data, performance Index Calculation value and examination result are deposited in the database.Power supply 3 has comprised 24V primary power and 24V auxiliary power, and the 24V primary power is used to warmer working power is provided; The 24V auxiliary power is used to test loop 1 and self-actuated controller 2 power supplies.
Casing 4 is used for whole experiment device is become one, and mainly is to make the test loop 1 that comprises a plurality of sensors, water tank and fuel tank can in casing 4, form spatial structure.Test loop 1, power supply 3 are arranged in the casing 4, and self-actuated controller 2 is arranged on outside the casing 4, are connected with each sensor in the test loop 1 through data line.Warmer can be articulated on the lateral wall of casing 4, and water loop 11 is respectively warmer with oil return line 12 water cycle and oil circulation are provided.
Be built-in with temperature sensor and liquid level gauge in the water tank 111, be used to write down the wherein temperature and the volume of hydraulic fluid, hydraulic fluid is a water in water loop 11.The installation site of water tank 111 need be higher than warmer 1～1.2m.Go into penstock 112 and in process of the test, be the normally open valve door, close when Maintenance and Repair or test are prepared with flowing water Valve 113.Throttle solenoid valve 114 has two kinds of control modes, both can in the manual measurement process, carry out manual manipulation, also can controlled automatically by self-actuated controller 2 in the measuring process automatically.Flow of inlet water sensor 115 is used to detect the mass rate of water loop 11; Water inlet temperature sensor 116, water delivering orifice temperature sensor 117 are used to test the temperature difference between warmer water inlet and the water delivering orifice; Intake pressure sensor 118 is used to measure warmer water inlet hydraulic pressure and water delivering orifice hydraulic pressure with discharge pressure sensor 119, with the rated head of conversion warmer.
As shown in Figure 3; The pressure control loop of water loop 11 is made up of throttle solenoid valve 114, discharge pressure sensor 119 and self-actuated controller 2; When carrying out the manual test of rated head flow; Close the automatic manipulation function of throttle solenoid valve 114, convert the force value that discharge pressure sensor 119 should reach, through the unlatching size of manual adjustment throttle solenoid valve 114 by lift; Use water pressure sensor 119 and reach preset value, this moment, the flow of flow of inlet water sensor 115 collections promptly was the flow of rated head.When carrying out the automatic test of rated head flow; Close the manual manipulation function of throttle solenoid valve 114; Being set, lift converts the preset pressure value that warmer water delivering orifice hydraulic pressure should reach by self-actuated controller 2; By the unlatching size that self-actuated controller 2 is regulated electromagnetic throttle valve automatically, to use water pressure sensor 119 and reach preset pressure value, this moment, the flow of flow of inlet water sensor 115 collections promptly was the flow under the rated head.
The heat flux of water loop 11 is measured; Measure the warmer water inlet coolant-temperature gage when starting after the warmer operate as normal through inflow temperature sensor 116; Measure warmer water delivering orifice coolant-temperature gage through leaving water temperature sensor 117; Measure discharge through flow of inlet water sensor 115, specific heat of water appearance in Measuring Time and the water loop 11 is provided, can get transient heat flow and specified heat flux thus by self-actuated controller 2.
As shown in Figure 2, when specified heat flux is measured in water loop 11, can record fuel consumption at oil return line 12, promptly calculate the thermal efficiency of warmer through the fuel value of fuel oil.Oil return line 12 comprises fuel tank 121, oil-feed valve 122, fuel-displaced valve 123, fuel-economizing solenoid valve 124, oil-feed flow sensor 125, fuel-displaced flow sensor 126, oil pressure sensor 127 and oil pump 128.Wherein, fuel tank 121, oil-feed valve 122, fuel-economizing solenoid valve 124, oil pump 128, go out solenoid 123, fuel tank 121, connect successively through pipeline, form the closed circuit of hydraulic fluid, hydraulic fluid be oily; Oil-feed flow sensor 125, oil pressure sensor 127 are arranged on the pipeline between oil-feed valve 122 and the fuel-economizing solenoid valve 124, and fuel-displaced flow sensor 126 is arranged on the pipeline between fuel-displaced valve 123 and the fuel tank 121.All import in the self-actuated controller 2 by the flow signal of oil-feed flow sensor 125, fuel-displaced flow sensor 126, oil pressure sensor 127 outputs and pressure signal and to handle.
Be provided with liquid level gauge and oiler, oil-out and pouring orifice in the fuel tank 121, wherein oil-out connects oil-feed valve 122, and oil-out connects fuel-displaced valve 123, and pouring orifice is used for injecting a certain amount of oil to fuel tank 121.The installation site of fuel tank 121 is not less than warmer 4m, also is that the installation site of fuel tank 121 can not be low excessively, to guarantee the carrying out oil circulation smoothly.Oil-feed valve 122 is the normally open valve door in process of the test with fuel-displaced valve 123, closes when Maintenance and Repair or test are prepared.Fuel-economizing solenoid valve 124 is used to realize oil return line 12 cutting out and opening in test, and it has two kinds of control modes, both can in the manual measurement process, carry out manual manipulation, also can controlled automatically by self-actuated controller 2 in the measuring process automatically.Oil-feed flow sensor 125 is used to measure the warmer oil inlet quantity, and fuel-displaced flow sensor 126 is used to measure the warmer recirculating oil quantity, and oil pressure sensor 127 is used to measure oil circuit pressure, and when oil circuit pressure descends, reports to the police.Oil pump 128 provides power for the circulation of the oil in the oil return line 12.
The fuel consumption of oil return line 12 is measured, and through the oil inlet quantity of oil-feed flow sensor 125 measurement warmers, fuel-displaced flow sensor 126 is measured the warmer recirculating oil quantities, by self-actuated controller 2 Measuring Time is provided, and can get the fuel consumption in the specified time limit thus.
The oil circuit pressure alarm of oil return line 12; Through regulating the spill valve of warmer; The oil circuit pressure that oil pressure sensor 127 is measured reaches requirement, and self-actuated controller 2 is gathered and record oil circuit pressure, in the course of work afterwards oil circuit pressure is carried out dynamic monitoring; If oil circuit pressure obviously descends, then self-actuated controller 2 is reported to the police.
The oil circuit break-make control of oil return line 12 can be selected the manual manipulation of fuel-economizing solenoid valve 124 and control the switching of realization different control modes automatically through 124 control of fuel-economizing solenoid valve through self-actuated controller 2.
Casing 4 is provided with view window respectively at the correspondence position of flow of inlet water sensor 115, water inlet temperature sensor 116, intake pressure sensor 118, water delivering orifice temperature sensor 117, discharge pressure sensor 119, oil-feed flow sensor 125, fuel-displaced flow sensor 126, oil pressure sensor 127.
Self-actuated controller 2 is mainly used in automatic measurement and measurement data library access, specifically comprises automatic control, measurement data acquisition, the demonstration of measurement data, the calculating of measurement result of measuring process etc.Self-actuated controller 2 comprises data acquisition card 21, processor 22, database 23, human-machine interface module 24, can be positioned over independently in the workplace.Self-actuated controller 2 adopts PC-DAQ frameworks and distributed control, based on the virtual instrument technique of pci bus machine 485 buses.Data acquisition card 21 outputs to switch controlling signal in the test loop 1 calculating in the measuring-signal input processors 22 such as the flow signal that receives, temperature signal, pressure signal and liquid level signal; Measuring-signal and result of calculation all are kept in the database 23, as the historical reference data; Human-machine interface module 24 calculates participating in the initialize data input processor 22 of staff's input, and processor 22 shows to the staff to human-machine interface module 24 output result of calculations simultaneously.
During system works; Adopt the signal condition module will carry out the 4-20mA electric current loop that prime is amplified, standard is nursed one's health in driving of faint transducing signal at data acquisition card 21 front ends by flow signal, temperature signal, pressure signal and the liquid level signal of each sensor input; Definitely measuring-signal by the quality of measure field to the long range signals controlling transmission, standard the analog input interface of observing and controlling computing machine.Data acquisition card 21 is selected PCI-1747U multifunction high-precision data acquisition module for use, and it has single-ended input channel of 64 road A/D or 32 tunnel difference input channels, 16 bit resolutions, and sampling rate is 250KS/s.This test unit has used 18 difference input channels, leaves 14 difference input channels or 28 single ended channels and is used for the upgrading backup.
Processor 22 adopts distributed simulation amount control panel ADAM-5024 to test loop 1 output control signal the time.ADAM-5024 provides 4 the tunnel to isolate the analog output channel, and protection isolation voltage 3000VDC accomplishes the control to throttle solenoid valve 114 and fuel-economizing solenoid valve 124, realizes the automatic control of water loop 11 and oil return line 12 voltage stabilizing processes.This plate leaves 3 analog channels and is used for the upgrading backup.
As shown in Figure 4, the processing procedure in the processor 22 may further comprise the steps:
1) pass through human-machine interface module 24 is set nominal parameter and performance index in database 23 acceptance value, wherein nominal parameter comprises rated head, specified hydraulic pressure, rated oil pressure, pump start time, oil pump stand-by time, warmer water delivering orifice design temperature etc.;
2) start the pressure control loop of water loop 11, and adjust throttle solenoid valve 114, the warmer water delivering orifice hydraulic pressure of measuring until discharge pressure sensor 119 reaches specified hydraulic pressure;
3) read the mass rate under the required fixation pressure of rated head through flow of inlet water sensor 115, finish the lift test; Fixation pressure is calculated by rated head, and mass rate is greater than reference value, and then tested warmer lift is qualified, and mass rate is less than reference value, and then tested warmer lift is defective;
4) regulate throttle solenoid valve 114; Make the hydraulic pressure in the water loop 11 reach specified hydraulic pressure; Because in step 3) is artificially to simulate the big situation of water resistance at the lift test process, thereby pressure is the required fixation pressure of rated head in the water loop 11, to test the lift index of tested warmer equipment;
5) through the oil pressure in the oil pressure sensor 127 monitors oil loops 12,, then start the oil pressure alarming decrease if oil pressure is lower than rated oil pressure;
6) start oil pump 128, and make it dally in time at pump start; Open fuel-economizing solenoid valve 124 afterwards, make oil return line 12 form path, and open warmer; With this moment oil pump 128 voltage and current value deposit in the database 23;
7) after the warmer water delivering orifice temperature of water delivering orifice temperature sensor 117 collections reaches warmer water delivering orifice design temperature; Close fuel-economizing solenoid valve 124; Gather the temperature value of water tank 111 through the temperature sensor in the water tank 111; Through instantaneous value, the accumulated value of oil-feed flow sensor 125 collection oil-feed flows, through instantaneous value, the accumulated value of the fuel-displaced flow of fuel-displaced flow sensor 126 collections, through flow instantaneous value, the accumulated value in the 115 collection water loops 11 of flow of inlet water sensor; And the service data of above-mentioned collection is stored in the database 23;
8) make oil pump 128 in the oil pump stand-by time, dally, close oil pump 128 afterwards;
9) processor 22 calculates specified heat flux, lift, fuel consumption, oil pump power, the thermal efficiency of warmer according to the service data of above-mentioned collection, and compares with acceptance value, the specification product that are up to standard, the substandard product that is not up to standard; Deposit comparing result in database 23.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the utility model and create, create but limit the utility model never in any form.Therefore; Although creating the utility model with reference to accompanying drawing and embodiment, this instructions carried out detailed explanation,, those skilled in the art are to be understood that; Still can create the utility model and make amendment or be equal to replacement; In a word, all do not break away from the spirit of the utility model creation and the technical scheme and the improvement thereof of scope, and it all should be encompassed in the utility model and create in the middle of the protection domain of patent.
Claims (5)
1. box experimental provision of warmer, it is characterized in that: it comprises test loop, self-actuated controller, casing, and wherein said test loop is arranged on said box house, and it is outside that said self-actuated controller is arranged on said casing; Said test loop comprises water loop, oil return line and sensing system; Said water loop comprises water tank, throttle solenoid valve, and the outlet of water tank connects the inlet of warmer, and the outlet of warmer connects the inlet of throttle solenoid valve, and the inlet of water tank connects the outlet of throttle solenoid valve; Said oil return line comprises fuel tank, fuel-economizing solenoid valve; The outlet of said fuel tank connects the inlet of said fuel-economizing solenoid valve; The outlet of said fuel-economizing solenoid valve connects the inlet of oil pump; The outlet of said oil pump connects the inlet of said fuel tank, and the oil transportation outlet of said oil pump connects the oil transportation inlet of said warmer; Said test loop is spatial structure in said casing, and said fuel tank and said water tank are fixed on the sidewall of said casing, and the position of said fuel tank is not less than 4 meters of said warmers; The position of said water tank is higher than said warmer 1～1.2m;
Said sensing system is gathered the service data of said water loop and oil return line; Said sensor-based system is imported the service data of gathering in the said self-actuated controller and is calculated; The performance index of said warmer are preserved and exported to said self-actuated controller, and to said throttle solenoid valve, fuel-economizing solenoid valve, warmer and oil pump output control signal.
2. the box experimental provision of a kind of warmer as claimed in claim 1 is characterized in that: said water loop and said oil return line are fixed on the inside of said casing through clothes-hook.
3. the box experimental provision of a kind of warmer as claimed in claim 1; It is characterized in that: said sensing system comprises flow of inlet water sensor, water inlet temperature sensor, the intake pressure sensor that is arranged between water tank described in the said water loop and the said warmer, and is arranged on water delivering orifice temperature sensor, discharge pressure sensor between said warmer and the throttle solenoid valve; And be arranged on oil-feed flow sensor, the oil pressure sensor between fuel tank described in the said oil return line and the fuel-economizing solenoid valve, and be arranged on the oil sensor that goes out between said oil pump and the fuel tank.
4. the box experimental provision of a kind of warmer as claimed in claim 3 is characterized in that: said casing is provided with view window respectively at the correspondence position of said flow of inlet water sensor, water inlet temperature sensor, intake pressure sensor, water delivering orifice temperature sensor, discharge pressure sensor, oil-feed flow sensor, fuel-displaced flow sensor, oil pressure sensor.
5. like the box experimental provision of the described a kind of warmer of one of claim 1～4; It is characterized in that: said self-actuated controller comprises data acquisition card, processor, database and human-machine interface module; The output of wherein said sensing system connects the input end of said data acquisition card; The output terminal of said data acquisition card connects the input end of said processor; The input end of said processor connects the input end of said database, and the output terminal of said human-machine interface module connects the input end of said database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203782708U CN202255910U (en) | 2011-09-30 | 2011-09-30 | Warmer box type test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203782708U CN202255910U (en) | 2011-09-30 | 2011-09-30 | Warmer box type test device |
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| Publication Number | Publication Date |
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| CN202255910U true CN202255910U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203782708U Expired - Fee Related CN202255910U (en) | 2011-09-30 | 2011-09-30 | Warmer box type test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507229A (en) * | 2011-09-30 | 2012-06-20 | 北京北机机电工业有限责任公司 | Warmer box-type experimental device |
| CN103048154A (en) * | 2012-12-24 | 2013-04-17 | 中国北车集团大连机车研究所有限公司 | Engine oil heat exchanger test bed |
| CN107796849A (en) * | 2017-11-23 | 2018-03-13 | 宁波迪奥机械有限公司 | A kind of radiator test system and method for testing |
-
2011
- 2011-09-30 CN CN2011203782708U patent/CN202255910U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507229A (en) * | 2011-09-30 | 2012-06-20 | 北京北机机电工业有限责任公司 | Warmer box-type experimental device |
| CN102507229B (en) * | 2011-09-30 | 2014-07-30 | 北京北机机电工业有限责任公司 | Warmer box-type experimental device |
| CN103048154A (en) * | 2012-12-24 | 2013-04-17 | 中国北车集团大连机车研究所有限公司 | Engine oil heat exchanger test bed |
| CN107796849A (en) * | 2017-11-23 | 2018-03-13 | 宁波迪奥机械有限公司 | A kind of radiator test system and method for testing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20170930 |