CN102606465A - Device for detecting comprehensive performances of electronic vacuum pumps - Google Patents
Device for detecting comprehensive performances of electronic vacuum pumps Download PDFInfo
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- CN102606465A CN102606465A CN2012100563290A CN201210056329A CN102606465A CN 102606465 A CN102606465 A CN 102606465A CN 2012100563290 A CN2012100563290 A CN 2012100563290A CN 201210056329 A CN201210056329 A CN 201210056329A CN 102606465 A CN102606465 A CN 102606465A
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Abstract
The invention discloses a device for detecting comprehensive performances of electronic vacuum pumps. The device comprises a gas chamber, a programmable power source, a galvanometer, a gas chamber temperature regulating device, a gas chamber pressure detecting device and a data acquisition/analysis system. The programmable is connected with a power access port of an electronic vacuum pump, the galvanometer is connected with a current detecting port of the electronic vacuum pump, the gas chamber is connected with a gas exhaust port of the electronic vacuum pump, and data output ports of the programmable power source, the galvanometer, the gas chamber temperature regulating device and the gas chamber pressure detecting device are connected with a data input port of the data acquisition/analysis system. The device for detecting comprehensive performances of electronic vacuum pumps has the advantages that various service environments of the electronic vacuum pump can be simulated, various performance parameters of the electronic vacuum pump are detected under conditions with different temperatures and different pressures, and whether the performances of the electronic vacuum pump meet design requirements or not is judged.
Description
Technical field
The present invention relates to the detection device of automobile auxiliary braking system, relate in particular to a kind of electronic vacuum pump detection device for combination property.
Background technique
Electronic vacuum pump is used for the automobile auxiliary braking system; As shown in Figure 1, the pneumatic system architecture of automobile comprises drive system and braking system two-part, under the normal condition; Internal-combustion engine carries out vacuum to booster; Detect through the degree of vacuum of Pressure testing meter to booster, and data are offered ESP ECU (vehicle steadily system control unit): if the degree of vacuum of booster is suitable, ESP ECU drives the normal operation of Engine ECU (engine engine); If the vacuum degree deficiency of booster; ESP ECU drives electronic vacuum pump through Control Unit (control unit that electronic vacuum pump is controlled), and to help the independent draws booster vacuum be that hydraulic braking sytem provides additional vacuum, can under all riving conditions, for vehicle smoothness, safety brake, deceleration and maintenance performance be provided.At present, electronic vacuum pump has been widely used in each car system of each big depot, and brings into play the effect of wanting emphatically.
In order to guarantee the reliable of electronic vacuum pump, must detect its performance, but the equipment that does not have professional being used for that the electronic vacuum pump performance is detected at present.
Summary of the invention
Goal of the invention: in order to overcome the deficiency that exists in the existing technology; The present invention provides a kind of electronic vacuum pump detection device for combination property; Electronic vacuum pump each performance parameter under different temperatures, voltage conditions is detected, judge whether its performance reaches designing requirement.
Technological scheme: for solving the problems of the technologies described above, the technological scheme that the present invention adopts is:
The electronic vacuum pump detection device for combination property comprises air chamber, programmable power supply, galvanometer, air chamber temperature-adjusting device, air chamber pressure detection device and data capture/analytical system,
Said air chamber is used to simulate vacuum booster cavity volume environment;
Said programmable power supply is used for the voltage environment of simulating vehicle;
Said galvanometer is used for electrical measurement detected electrons vacuum pump running change in current;
Said air chamber temperature-adjusting device is used to simulate external temperature environment;
Said air chamber pressure detection device is used to detect air chamber pressure;
Said data capture/analytical system to the air chamber pressure in the electronic vacuum pump running (degree of vacuum), voltage, temperature, current parameters is gathered and analyze;
Said programmable power supply is connected with the power access end mouth of electronic vacuum pump, and galvanometer is connected with the current detecting port of electronic vacuum pump, and air chamber is connected with the suction port of electronic vacuum pump; The data-out port of said programmable power supply, galvanometer, air chamber temperature-adjusting device and air chamber pressure detection device is connected with the data-in port of data capture/analytical system.
During use, at first electronic vacuum pump to be detected is in place, its bleeding point is connected with the suction port of detection device, and its power port is connected with the power access end mouth, and its current detecting mouth is connected with the current detecting port; Regulate testing environment then, comprise cavity volume environment, voltage environment and external temperature environment; Can use electronic vacuum pump that air chamber is vacuumized experiment at last to the greatest extent; Through data capture/analytical system the data of gathering in the whole testing process are analyzed, can be obtained the electronic vacuum technical data required for the pump, its performance parameter can use data form to propose, and also can provide through the continous curve figure.
This detection device also comprises electric Proportion valve, and said electric Proportion valve is used to control air chamber venting, makes the electronic vacuum pump can circular flow.
Said air chamber is the volume adjustable structure; Can adjust the volume of air chamber according to electronic vacuum actual Environmental Conditions needs originally during use.
Said air chamber temperature-adjusting device is a high-low temperature chamber; Can simulate extraneous temperature environment during use easily and fast; The actual temp of high-low temperature chamber is set can be by the machines program control.
Said air chamber pressure detection device is the Pi Lanishi vacuum transducer; Detect the pressure condition of air chamber in real time, go out the pumping speed of electronic vacuum pump through computed in software.
Said electric current is counted the digital current meter, can in real time, independently demonstrate the electric current of electronic vacuum pump in vacuum and change.
The multi-channel structure of this detection device for detecting an above electronic vacuum pump simultaneously.
Beneficial effect: electronic vacuum pump detection device for combination property provided by the invention; Can simulate the various Environmental Conditions of electronic vacuum pump; Electronic vacuum pump each performance parameter under different temperatures, voltage conditions is detected, judge whether its performance reaches designing requirement.
Description of drawings
Fig. 1 is the structural representation of the pneumatic system architecture of automobile;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is a front view of the present invention;
Fig. 4 is a left view of the present invention.。
Embodiment
Below in conjunction with accompanying drawing the present invention is done explanation further.
Be illustrated in figure 2 as a kind of theory structure schematic representation of electronic vacuum pump detection device for combination property; Fig. 3, shown in Figure 4 be view in kind based on schematic diagram shown in Figure 2; This example adopts five-way road structure; It comprises air chamber, programmable power supply, galvanometer, air chamber temperature-adjusting device, air chamber pressure detection device, electric Proportion valve and data capture/analytical system, and the effect of various piece is following:
Said air chamber is used to simulate vacuum booster cavity volume environment, adopts the volume adjustable structure;
Said programmable power supply is used for the voltage environment of simulating vehicle;
Said galvanometer is used for electrical measurement detected electrons vacuum pump running change in current, adopts the digital electric flowmeter;
Said air chamber temperature-adjusting device is used to simulate external temperature environment, adopts high-low temperature chamber;
Said air chamber pressure detection device is used to detect air chamber pressure, adopts the Pi Lanishi vacuum transducer;
Said electric Proportion valve is used to control the air chamber venting;
Said data capture/analytical system is gathered and is analyzed the air chamber pressure in the electronic vacuum pump running, voltage, temperature, current parameters;
Said programmable power supply is connected with the power access end mouth of electronic vacuum pump, and galvanometer is connected with the current detecting port of electronic vacuum pump, and air chamber is connected with the suction port of electronic vacuum pump; The data-out port of said programmable power supply, galvanometer, air chamber temperature-adjusting device and air chamber pressure detection device is connected with the data-in port of data capture/analytical system.
Table 1 parts detail list:
| 24 | Connect tracheae 6 | KSJM-A011-EVPT | 7 | H62 | |
| 23 | Connect tracheae 5 | KSJM-A010-EVPT | 4 | H62 | |
| 22 | Connect tracheae 4 | KSJM-A09-EVPT | 2 | H62 | |
| 21 | Connect tracheae 3 | KSJM-A008-EVPT | 2 | H62 | |
| 20 | Connect tracheae 2 | KSJM-A007-EVPT | 2 | H62 | |
| 19 | Fluorescent lamp | 15W | 2 | The Philip | |
| 18 | Vacuum transducer | 626S | 7 | MKS | |
| 17 | The broken ring of vacuum valve assembly | SY5120-03S | 7 | |
|
| 16 | Vacuum transducer mounting plate 2 | KSJM-A006-EVPT | 1 | ?S45C | Hard? |
| 15 | Vacuum transducer mounting plate 1 | KSJM-A005-EVPT | 1 | ?S45C | Hard? |
| 14 | The long-pending dress of tracheae plate 2 | KSJM-A004-EVPT | 1 | ?S45C | Hard? |
| 13 | The long-pending dress of tracheae plate 1 | KSJM-A003-EVPT | 1 | ?S45C | Hard? |
| 12 | Connect tracheae 1 | KSJM-A002-EVPT | 5 | |
|
| 11 | The tracheae pinboard | KSJM-A001-EVPT | 2 | A6061 | Anodize |
| 10 | The tracheae connecting head | KFH12N-03 | 64 | SMC | |
| 09 | One-way valve | AKB03A-03S | 14 | SMC | |
| 08 | The air chamber dunnage | KSJM-BA03-EVPT | 5 | A6061 | Anodize |
| 07 | The air chamber mounting plate | KSJM-BA02-EVPT | 5 | A6061 | Anodize |
| 06 | Air chamber component | KSJM-AA00-EVPT | 7 | A6061 | Anodize |
| 05 | Table board | KSJM-BA01-EVPT | 1 | S45C | Black |
| 04 | The ventilating fan outlet | 2 | Hard? |
||
| 03 | The elastic cable paper outlet | 1 | |||
| 02 | Electrical box | KSJM-BA00-EVPT | 1 | ||
| 01 | The roller adjusting part | KSJM-BB00-EVPT | 4 | ||
| Sequence number | Title | Figure number/model | Quantity | Material | Remarks |
Above-mentioned electronic vacuum pump detection device for combination property; Its content that can detect comprises: traditional performance test, the test of electric performance test box endurance quality; Wherein electric performance test is divided into steady-state current test, inrush current test, open circuit protection test, voltage overload test, electrode again and connects test events such as anti-test, the concrete detection as follows.
1, traditional performance test
The traditional performance test is meant that electronic vacuum pump and orthobaric volume (volume size is 5 liters) are through diameter 10mm; The pipe of length 100mm links to each other and guarantees the leakage of connection place sealing nothing; At test system the burning voltage of 13V ± 0.1V, the testing property under the test condition of different temperature are provided.According to temperature conditions, the traditional performance test divides normal temperature test, low-temperature test and high temperature test totally 3 parts.
1.1 normal temperature test
The testing property of normal temperature test electronic vacuum pump during for 23 ℃ ± 2 ℃ of ambient temperatures, the normal temperature test parameter is:
1, orthobaric volume: 5L
2, connecting tube: diameter 10mm, length 100mm, the joint sealing does not have leakage
3, operating voltage: 13V ± 0.1V
4, ambient temperature: 23 ℃ ± 2 ℃
5, content measurement: 100KPa is to 50KPa, and time≤4.0s bleeds
100KPa is to 30KPa, and time≤10.0s bleeds
100KPa is to 12KPa, and time≤60s bleeds
1.2 low-temperature test
The testing property of electronic vacuum pump when low-temperature test is an ambient temperature-40 ℃ ± 2 ℃, the normal temperature test parameter is:
1, orthobaric volume: 5L
2, connecting tube: diameter 10mm, length 100mm, the joint sealing does not have leakage
3, operating voltage: 13V ± 0.1V
4, ambient temperature :-40 ℃ ± 2 ℃
5, content measurement: 100KPa is to 50KPa, and time≤5.0s bleeds
100KPa is to 30KPa, and time≤11.0s bleeds
100KPa is to 12KPa, and time≤60s bleeds
1.3 high temperature test
The testing property of electronic vacuum pump when high temperature test is 100 ℃ ± 2 ℃ of ambient temperatures, the normal temperature test parameter is:
1, orthobaric volume: 5L
2, connecting tube: diameter 10mm, length 100mm, the joint sealing does not have leakage
3, operating voltage: 13V ± 0.1V
4, ambient temperature: 100 ℃ ± 2 ℃
5, content measurement: 100KPa is to 50KPa, and time≤5.0s bleeds
100KPa is to 30KPa, and time≤11.0s bleeds
100KPa is to 12KPa, and time≤60s bleeds
2, electric performance test
Electric performance test is the test that the electrical properties of electronic vacuum pump is done.Electric performance test is divided into to the test of: steady-state current, inrush current test, short-circuit protection test, voltage overload test, electrode and connects test events such as anti-test.
2.1 steady-state current test
Steady-state current test is during for 23 ℃ ± 2 ℃ of ambient temperatures, the operating current test during operating voltage 13.5V ± 0.1V the electronic vacuum pump stable operation time, and the steady-state current test parameter is:
1, operating voltage: 13.5V ± 0.1V
2, ambient temperature: 23 ℃ ± 2 ℃
3, operating current :≤15A
2.2 inrush current test
Inrush current test is during for ambient temperature-40 ℃ ± 2 ℃, the testing current during operating voltage 16V ± 0.1V the electronic vacuum pump startup time, and the inrush current test parameter is:
1, operating voltage: 16V ± 0.1V
2, ambient temperature :-40 ℃ ± 2 ℃
3, operating current :≤47A
4, starting time :≤2S
2.3 short-circuit protection test
Short-circuit protection test is during for 23 ℃ ± 2 ℃ of ambient temperatures, the test that whether electronic vacuum pump can short-circuit protection the electronic vacuum pump short circuit time during operating voltage 13V ± 0.1V, and the short-circuit protection test parameter is:
1, operating voltage: 13V ± 0.1V
2, ambient temperature: 23 ℃ ± 2 ℃
3, short-circuit protection: have/do not have
2.4 voltage overload test
Voltage overload test is during for 23 ℃ ± 2 ℃ of ambient temperatures; Electronic vacuum pump receives ± 20% voltage functuation during operating voltage 13V ± 0.1V; In the time of voltage functuation time 2S, the test whether electronic vacuum pump can the voltage overload protection, the voltage overload test parameter is:
1, operating voltage: 13V ± 0.1V
2, ambient temperature: 23 ℃ ± 2 ℃
3, voltage functuation: ± 20%
4, fluctuation time: 2S
5, overload protection: have/do not have
2.5 electrode connects anti-test
Electrode connects anti-test when being 23 ℃ ± 2 ℃ of ambient temperatures; During operating voltage 13V ± 0.1V electronic vacuum pump receive polarity of voltage positive and negative reverse-voltage of 13V ± 0.1V; In the time of backward voltage endurance 2S; Electronic vacuum pump whether can electrode connects the test of anti-protection, and electrode connects anti-test parameter and is:
1, operating voltage: 13V ± 0.1V
2, ambient temperature: 23 ℃ ± 2 ℃
3, backward voltage :-13V ± 0.1V
4, the endurance: 2S
5, connect anti-protection: have/do not have
3, durable test
Durable test is meant the test of the electronic vacuum pump number of times that proper functioning is certain under certain test condition.
Before carrying out durable test; The electronic vacuum pump that will carry out durable test is carried out traditional performance test and electric performance test and to the test data record retention; After durable test is accomplished; The product of participating in durable test is carried out traditional performance test and electric performance test and once more to test data record and preservation; The test data of product before and after durable test of durable test participated in comparison, and its correlated performance loses to subtract and thinks then that within the specific limits this product passes through durable test behind durable test.
According to electronic vacuum pump correlation technique standard, electronic vacuum pump durable test relevant parameter is following:
1, single batch of test number: 4
2, operating voltage: 13V ± 0.1V
3, work cycle: 50Kbar to 30Kbar to 50Kbar, each cycle time about 4.8s
4, test condition: 100 ℃ ± 2 ℃ of ambient temperatures, testing time: 30000 times
60 ℃ ± 2 ℃ of ambient temperatures, testing time: 240000 times
Ambient temperature-30 ℃ ± 2 ℃, testing time: 30000 times
5, performance is lost and is subtracted: 5%
The above only is a preferred implementation of the present invention; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. electronic vacuum pump detection device for combination property, it is characterized in that: this detection device comprises air chamber, programmable power supply, galvanometer, air chamber temperature-adjusting device, air chamber pressure detection device and data capture/analytical system,
Said air chamber is used to simulate vacuum booster cavity volume environment;
Said programmable power supply is used for the voltage environment of simulating vehicle;
Said galvanometer is used for electrical measurement detected electrons vacuum pump running change in current;
Said air chamber temperature-adjusting device is used to simulate external temperature environment;
Said air chamber pressure detection device is used to detect air chamber pressure;
Said data capture/analytical system is gathered and is analyzed the air chamber pressure in the electronic vacuum pump running, voltage, temperature, current parameters;
Said programmable power supply is connected with the power access end mouth of electronic vacuum pump, and galvanometer is connected with the current detecting port of electronic vacuum pump, and air chamber is connected with the suction port of electronic vacuum pump; The data-out port of said programmable power supply, galvanometer, air chamber temperature-adjusting device and air chamber pressure detection device is connected with the data-in port of data capture/analytical system.
2. electronic vacuum pump detection device for combination property according to claim 1 is characterized in that: this detection device also comprises electric Proportion valve, and said electric Proportion valve is used to control the air chamber venting.
3. electronic vacuum pump detection device for combination property according to claim 1 is characterized in that: said air chamber is the volume adjustable structure.
4. electronic vacuum pump detection device for combination property according to claim 1 is characterized in that: said air chamber temperature-adjusting device is a high-low temperature chamber.
5. electronic vacuum pump detection device for combination property according to claim 1 is characterized in that: said air chamber pressure detection device is the Pi Lanishi vacuum transducer.
6. electronic vacuum pump detection device for combination property according to claim 1 is characterized in that: said electric current is counted the digital current meter.
7. electronic vacuum pump detection device for combination property according to claim 1 is characterized in that: the multi-channel structure of this detection device for detecting an above electronic vacuum pump simultaneously.
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| CN201210056329.0A CN102606465B (en) | 2012-03-06 | 2012-03-06 | Device for detecting comprehensive performances of electronic vacuum pumps |
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| CN103398006A (en) * | 2013-08-02 | 2013-11-20 | 北京爱社时代科技发展有限公司 | Electricity and gas ratio monitoring device for air compressor |
| CN104632604A (en) * | 2013-11-15 | 2015-05-20 | 中国科学院沈阳科学仪器股份有限公司 | Test method and text system for simulating air exhaust technology of dry vacuum pump |
| CN105332903A (en) * | 2014-08-08 | 2016-02-17 | 江苏梅花机械有限公司 | Automobile vacuum pump performance detecting method and device |
| CN106678064A (en) * | 2016-11-30 | 2017-05-17 | 金华尼兰科技有限公司 | Electronic vacuum pump with self-protection function |
| CN109707614A (en) * | 2019-02-21 | 2019-05-03 | 上海拓绅汽车电子有限公司 | A kind of electric vacuum pump service life durability test equipment and its application method |
| CN110360094A (en) * | 2019-07-31 | 2019-10-22 | 台州学院 | A kind of screw vacuum pump internal performance test macro and method |
| CN112032073A (en) * | 2020-07-22 | 2020-12-04 | 安徽金力泵业科技有限公司 | Leakage detection device for automobile engine water pump |
| CN112065706A (en) * | 2020-09-10 | 2020-12-11 | 北京通嘉宏瑞科技有限公司 | Vacuum pump with multifunctional detection station and use method thereof |
| CN112555167A (en) * | 2020-12-08 | 2021-03-26 | 浙江省机电设计研究院有限公司 | Automatic test board for conventional vertical pump and test method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103398006A (en) * | 2013-08-02 | 2013-11-20 | 北京爱社时代科技发展有限公司 | Electricity and gas ratio monitoring device for air compressor |
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| CN106678064A (en) * | 2016-11-30 | 2017-05-17 | 金华尼兰科技有限公司 | Electronic vacuum pump with self-protection function |
| CN109707614A (en) * | 2019-02-21 | 2019-05-03 | 上海拓绅汽车电子有限公司 | A kind of electric vacuum pump service life durability test equipment and its application method |
| CN110360094A (en) * | 2019-07-31 | 2019-10-22 | 台州学院 | A kind of screw vacuum pump internal performance test macro and method |
| CN112032073A (en) * | 2020-07-22 | 2020-12-04 | 安徽金力泵业科技有限公司 | Leakage detection device for automobile engine water pump |
| CN112065706A (en) * | 2020-09-10 | 2020-12-11 | 北京通嘉宏瑞科技有限公司 | Vacuum pump with multifunctional detection station and use method thereof |
| CN112065706B (en) * | 2020-09-10 | 2022-05-10 | 北京通嘉宏瑞科技有限公司 | Vacuum pump with multifunctional detection station and use method thereof |
| CN112555167A (en) * | 2020-12-08 | 2021-03-26 | 浙江省机电设计研究院有限公司 | Automatic test board for conventional vertical pump and test method thereof |
| CN113236545A (en) * | 2021-04-30 | 2021-08-10 | 东风汽车集团股份有限公司 | Method, system and device for testing noise of air pump of air suspension and test automobile |
| CN113236545B (en) * | 2021-04-30 | 2022-07-29 | 岚图汽车科技有限公司 | Method, system and device for testing noise of air pump of air suspension and test automobile |
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