CN209654212U - A kind of electric motor coach air compressor test macro - Google Patents
A kind of electric motor coach air compressor test macro Download PDFInfo
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- CN209654212U CN209654212U CN201920299960.0U CN201920299960U CN209654212U CN 209654212 U CN209654212 U CN 209654212U CN 201920299960 U CN201920299960 U CN 201920299960U CN 209654212 U CN209654212 U CN 209654212U
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Abstract
The utility model discloses a kind of test macros of electric motor coach air compressor, it include: host computer, the power detection device for being used to acquire electric compressor input power parameter being separately connected with host computer, for acquiring the temperature-detecting device of electric compressor case temperature, electric compressor controller and programme-controlled dc power；Programme-controlled dc power is connect with electric compressor controller, by sending the working condition that CAN activation instruction controls air compressor machine to electric compressor controller, collected electric compressor input power parameter and electric compressor case temperature information are sent to host computer by power detection device and temperature-detecting device, realize the test to electric motor coach air compressor input power and case temperature.The utility model can simultaneously test multiple performance indicators of air compressor machine, and testing efficiency is high, and testing cost is low.
Description
Technical field
The utility model relates to electric motor coach components performance test fields more particularly to a kind of electric motor coach air to compress
Machine test macro.
Background technique
Electric motor coach air compressor (abbreviation electric compressor) is vehicle braking system, airsuspension system, pneumatic door
Pumping system etc. provides gas source, and it is electronic that the superiority and inferiority of performance, which is directly related to the safety of vehicle, comfort, cost and energy consumption,
One of core component of car.For components producer, air compressor machine is tested before factory, it is ensured that the product of factory closes
Lattice；For vehicle factor, air compressor machine is tested before entrucking, guarantees that the performance of air compressor of entrucking is excellent；Either air compressor machine is raw
The vehicle producer that producer still uses air compressor machine is produced, is all essential to its performance test.The performance of electric compressor is surveyed
Examination, mainly to its input voltage, input current, input power, case temperature, pressure at expulsion, volume flow, delivery temperature,
Air-following oil drain quantity, volume specific power, working efficiency performance indicator are tested, it is ensured that the performance of air compressor of entrucking is excellent.
Inventors have found that unprofessional electric compressor automated test device currently on the market, many performance detections
Device is all using traditional manual or automanual detection mode, and single test equipment can only test unitem, is tested
Multiple performance indicators need multiple equipment, and working efficiency is low, and working condition is poor, affected by environment big, the reliability of test result,
Accuracy is poor.
Utility model content
The utility model to solve the deficiencies in the prior art, proposes a kind of test system of electric motor coach air compressor
System, can the multinomial performance to electric motor coach air compressor fast and accurately tested.
To achieve the goals above, one of scheme of the utility model are as follows:
A kind of test macro of electric motor coach air compressor, comprising: host computer is used to adopt with what host computer was separately connected
The power detection device for collecting electric compressor input power parameter, the temperature detection for acquiring electric compressor case temperature fill
It sets, electric compressor controller and programme-controlled dc power；Programme-controlled dc power is connect with electric compressor controller, host computer
Control programme-controlled dc power starting provides working power, power detection device and temperature-detecting device for electric compressor controller
Collected electric compressor input power parameter and electric compressor case temperature information are sent to host computer, realized to electricity
The test of dynamic air compressor of passenger car input power and case temperature；
It further include atmospheric control, the atmospheric control includes: sensor module, condensate dryer and gas storage system
System；The gas of electric compressor gas outlet output enters gas storage system by condensate dryer；By the pressure for adjusting gas storage system
The load of power adjusting electric compressor；The sensor module includes: the temperature biography for being separately positioned on electric compressor gas outlet
Sensor, pressure sensor, flow sensor and Residual oil quantity sensor；It is separately positioned on the pressure sensor of gas storage system air inlet
And flow sensor.The gas storage system includes the gas storage unit that several groups are connected in parallel, each gas storage unit include according to
Intake valve, air accumulator and the exhaust outlet valve of secondary series connection.Multiple gas storage units can simulate the preceding brake gas storage of vehicle respectively
Tank, rear brake air accumulator, parking brake air accumulator, auxiliary gas tank etc., and the inflation/deflation of each gas tank can be controlled separately, it can true mould
The vehicle environment of quasi- different automobile types.
Further, the atmospheric control further includes that the exhaust noise silencing of gas storage system exhaust pipe end is arranged in
Device.
Further, the programme-controlled dc power includes high pressure programme-controlled dc power and low pressure programme-controlled dc power, described
Low pressure programme-controlled dc power provides startup power supply for electric compressor controller, will after electric compressor controller starts work
AC power source needed for the DC power supply that high pressure programme-controlled dc power provides is converted into electric compressor.
Further, the temperature-detecting device includes: several thermocouples for being arranged in electric compressor different heat area,
The temperature of the thermocouple acquisition is sent to host computer by temperature polling instrument.
Compared with prior art, the utility model has the beneficial effects that
1, multiple performance indicators of air compressor machine can be tested simultaneously, testing efficiency is high, and testing cost is low.
2, all test items can all be tested by the way that parameter is arranged on host computer, and be carried out to relevant test data
Analysis, calculates, high degree of automation processing.
3, by resid amount sensor application in test macro, it can automatically detect the oil content in exhaust, relative to biography
Filter paper of uniting collects weight method, has many advantages, such as that detection accuracy is high, is not affected by human factors.
4, preceding brake air accumulator, rear brake air accumulator provided with multiple air accumulators simulation vehicle, parking brake air accumulator, auxiliary gas storage
Tank etc., and the inflation/deflation of each gas tank can be controlled separately, and can really simulate the vehicle environment of different automobile types.
5, it is able to carry out inflation/deflation circulation experiment, long-term reliability experiment can be carried out.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the test macro architecture principle figure in the utility model embodiment one；
Fig. 2 is the test macro architecture principle figure in the utility model embodiment two；
Fig. 3 is the test macro atmospheric control schematic diagram in the utility model embodiment two.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms that the utility model uses have the ordinary skill people with the application technical field
The normally understood identical meanings of member.
Term used herein above be should be noted that merely to describing specific embodiment, and not intended to limit sheet
The illustrative embodiments of application.As used herein, unless the context clearly indicates otherwise, otherwise singular is also anticipated
Figure includes plural form, additionally, it should be understood that, when the term " comprising " and/or " including " is used in this specification,
It indicates existing characteristics, step, operation, device, component and/or their combination.
Embodiment one
In one or more embodiments, a kind of electric motor coach air compressor test macro is disclosed, such as Fig. 1 institute
Show, comprising: host computer, air compressor controller, power analyzer, temperature polling instrument, high pressure programme-controlled dc power and low pressure are program-controlled
DC power supply；Power analyzer, temperature polling instrument, high pressure programme-controlled dc power and low pressure programme-controlled dc power pass through respectively
RS232 connection is connect with supervisory controller, and power analyzer connects respectively with electric compressor and air compressor controller
It connects, supervisory controller also passes through CAN bus and connect with air compressor controller, and host computer is sent by CAN bus and instructed
To control air compressor controller.
Air compressor controller is practical entrucking DC/AC frequency converter, is alternating current by DC conversion and controls air compressor machine
Motor；High pressure programme-controlled dc power provides free voltage within 1000V for electric compressor controller, has current limliting, short circuit, mistake
The defencive functions such as temperature；Low pressure programme-controlled dc power can simulate 24V voltage dips, rise suddenly, it is slow drop slow liter, instantaneous interruption, over-voltage,
Under-voltage equal test requests provide low-tension supply and activation power supply for DC/AC frequency converter.
Air compression shell temperature is acquired using patch type thermocouple, several thermocouples are arranged in the different heat of air compressor machine
Area, the temperature of acquisition report host computer after handling by temperature polling instrument.
When testing, supervisory controller sends to high pressure programme-controlled dc power and low pressure programme-controlled dc power and opens
Instruction sends CAN to air compressor controller and enables activation signal driving compressor operation, the electronic pneumatics of power analyzer acquisition
Machine input voltage, input current, input power information are sent to supervisory controller, and temperature polling instrument is by collected air compressor machine
Surface temperature information is sent to host computer, air compressor machine input voltage, input current, input power, the sky that host computer will receive
Press surfaces temperature real-time display comes out, and is handled, and the change curve of each performance parameter is formed.
It should be noted that host computer selection have on the market product can be realized, such as: single-chip microcontroller or computer
Deng.
Embodiment two
Disclosed in embodiment one on the basis of electric motor coach air compressor test macro, as shown in Fig. 2, increasing pneumatic control
System processed directly tests the output characteristics of electric compressor.Atmospheric control is connect with supervisory controller, knot
Structure is as shown in Figure 3, comprising: pressure sensor, flow sensor, temperature sensor, Residual oil quantity sensor, cool dryers, storage
Gas system and muffler can acquire the information that each sensor is quoted in real time and be sent to supervisory controller.
The main function of condensate dryer is that the gas of the high heat and humidity of air compressor machine discharge is condensed drying, makes to enter gas storage
The gas of system is dry gas, and hot and humid gas is avoided to condense into condensed water in gas storage system, corrodes gas storage system.
Wherein, first pressure sensor is respectively set in the air inlet position of the gas outlet of electric compressor and gas storage system
With second pressure sensor, the pressure of air compressor machine outlet and air accumulator can be detected simultaneously.
First flow sensor and is respectively set in the gas outlet of electric compressor and the air inlet position of gas storage system
Two flow sensors, first flow sensor are operating condition flowmeter, and institute's measurement of discharge is the flow under actual working state, second
Quantity sensor is thermal type gas quality flow meter, institute's measurement of discharge be temperature be 20 DEG C, the flow under an atmospheric pressure, two kinds of gases
Flow can convert.
Gas storage system include 6 groups of gas storage units, each group of gas storage unit include: the intake valve being sequentially connected in series, air accumulator and
Exhaust outlet valve.Air accumulator shares 6, and may be configured as L1, L2, L3, L4, L5, L6 can beat simultaneously when air compressor works
One or more gas tanks are opened, gas tank volume meets the gas tank requirement of car complete series product；The intake valve of 6 gas tanks and exhaust row
Water valve is all electrical ball valve, is controlled by atmospheric control and supervisory controller；The preceding brake gas storage of 6 air accumulator simulation vehicles
Tank, rear brake air accumulator, parking brake air accumulator, auxiliary gas tank etc., and the inflation/deflation of each gas tank can be controlled separately, it can true mould
The vehicle environment of quasi- different automobile types.
Residual oil quantity sensor is photoionization sensor, can oil content in automatic detection gas, the unit of resid amount can root
According to needing to be configured, ppm not only can be set to, but also may be configured as mg/m3。
Air compressor machine output gas passes through the tandem of each element are as follows: air compressor machine gas outlet-temperature sensor-first
Pressure sensor-first flow sensor-condensate dryer-second flow sensor-second pressure sensor-air inlet
Valve-air accumulator-exhaust outlet valve-muffler.
Atmospheric control can acquire the pressure at expulsion, volume flow, delivery temperature, air-following oil drain of electric compressor
Amount, and host computer is offered, the flow to atmospheric control acquisition and the air compressor machine of power meter acquisition input host computer again
Power is calculated, and obtains the volume specific power and working efficiency of air compressor machine.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (6)
1. a kind of test macro of electric motor coach air compressor characterized by comprising host computer connects respectively with host computer
What is connect is used to acquire the power detection device of electric compressor input power parameter, for acquiring electric compressor case temperature
Temperature-detecting device, electric compressor controller and programme-controlled dc power；Programme-controlled dc power and electric compressor controller
Connection, the starting of PC control programme-controlled dc power are that electric compressor controller provides working power, power detection device with
Collected electric compressor input power parameter and electric compressor case temperature information are sent to by temperature-detecting device
Position machine.
2. a kind of test macro of electric motor coach air compressor as described in claim 1, which is characterized in that further include pneumatic
Control system, the atmospheric control include: sensor module, condensate dryer and gas storage system；Electric compressor outlet
The gas of mouth output enters gas storage system by condensate dryer；Pressure by adjusting gas storage system adjusts electric compressor
Load；The sensor module includes: the temperature sensor, pressure sensor, stream for being separately positioned on electric compressor gas outlet
Quantity sensor and Residual oil quantity sensor；It is separately positioned on the pressure sensor and flow sensor of gas storage system air inlet.
3. a kind of test macro of electric motor coach air compressor as claimed in claim 2, which is characterized in that the gas storage system
System includes the gas storage unit that several groups are connected in parallel, each gas storage unit includes the intake valve being sequentially connected in series, gas storage
Tank and exhaust outlet valve.
4. a kind of test macro of electric motor coach air compressor as claimed in claim 2, which is characterized in that the pneumatic control
System processed further includes the muffler that gas storage system exhaust pipe end is arranged in.
5. a kind of test macro of electric motor coach air compressor as described in claim 1, which is characterized in that the programmed direct
Galvanic electricity source includes high pressure programme-controlled dc power and low pressure programme-controlled dc power, and the low pressure programme-controlled dc power is electric compressor
Controller provides startup power supply, after electric compressor controller starts work, direct current that high pressure programme-controlled dc power is provided
AC power source needed for source is converted into electric compressor.
6. a kind of test macro of electric motor coach air compressor as described in claim 1, which is characterized in that the temperature inspection
Surveying device includes: several thermocouples for being arranged in electric compressor different heat area, and the temperature of the thermocouple acquisition passes through temperature
Degree logging is sent to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920299960.0U CN209654212U (en) | 2019-03-08 | 2019-03-08 | A kind of electric motor coach air compressor test macro |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299960.0U CN209654212U (en) | 2019-03-08 | 2019-03-08 | A kind of electric motor coach air compressor test macro |
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| CN209654212U true CN209654212U (en) | 2019-11-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763972A (en) * | 2019-03-08 | 2019-05-17 | 中通客车控股股份有限公司 | A kind of electric motor coach air compressor test macro and method |
| CN111306052A (en) * | 2020-02-28 | 2020-06-19 | 武汉理工大学 | Air inflation test device and method suitable for multi-load pure electric passenger car air compressor |
| CN111638018A (en) * | 2020-06-11 | 2020-09-08 | 创联新能源科技(深圳)有限公司 | Multifunctional detection system and device for detecting air conditioner compressor |
| CN111980908A (en) * | 2020-09-19 | 2020-11-24 | 浙江创源环境科技股份有限公司 | Compressed air system efficiency evaluation device and evaluation method |
| CN115949581A (en) * | 2023-03-15 | 2023-04-11 | 合肥通用机械研究院有限公司 | Complete machine energy efficiency test bed for power compressor and test method |
| CN116006453A (en) * | 2023-03-24 | 2023-04-25 | 合肥通用机械研究院有限公司 | Delivery rapid detection test bed for general power compressor and measurement method thereof |
-
2019
- 2019-03-08 CN CN201920299960.0U patent/CN209654212U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763972A (en) * | 2019-03-08 | 2019-05-17 | 中通客车控股股份有限公司 | A kind of electric motor coach air compressor test macro and method |
| CN111306052A (en) * | 2020-02-28 | 2020-06-19 | 武汉理工大学 | Air inflation test device and method suitable for multi-load pure electric passenger car air compressor |
| CN111638018A (en) * | 2020-06-11 | 2020-09-08 | 创联新能源科技(深圳)有限公司 | Multifunctional detection system and device for detecting air conditioner compressor |
| CN111980908A (en) * | 2020-09-19 | 2020-11-24 | 浙江创源环境科技股份有限公司 | Compressed air system efficiency evaluation device and evaluation method |
| CN115949581A (en) * | 2023-03-15 | 2023-04-11 | 合肥通用机械研究院有限公司 | Complete machine energy efficiency test bed for power compressor and test method |
| CN115949581B (en) * | 2023-03-15 | 2023-05-19 | 合肥通用机械研究院有限公司 | Power compressor complete machine energy efficiency test bed and test method |
| CN116006453A (en) * | 2023-03-24 | 2023-04-25 | 合肥通用机械研究院有限公司 | Delivery rapid detection test bed for general power compressor and measurement method thereof |
| CN116006453B (en) * | 2023-03-24 | 2023-06-20 | 合肥通用机械研究院有限公司 | Delivery rapid detection test bed for general power compressor and measurement method thereof |
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Address after: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee after: Zhongtong bus Limited by Share Ltd. Address before: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee before: ZHONGTONG BUS HOLDING Co.,Ltd. |