CN203551257U - Novel oil control valve (OCV) testing device - Google Patents
Novel oil control valve (OCV) testing device Download PDFInfo
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- CN203551257U CN203551257U CN201320593773.6U CN201320593773U CN203551257U CN 203551257 U CN203551257 U CN 203551257U CN 201320593773 U CN201320593773 U CN 201320593773U CN 203551257 U CN203551257 U CN 203551257U
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- power supply
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Abstract
The utility model provides a novel oil control valve (OCV) testing device, which comprises an OCV, a hydraulic oil supply module and an OCV working condition testing tool. The hydraulic oil supply module comprises an oil storage tank, a machine oil filtering unit and an oil conveying pipe. The oil conveying pipe is provided with an oil pump and an oil conveying protection unit. The OCV working condition testing tool comprises a power supply electrically connected with the oil pump. The power supply is also connected with a solid-state relay and a heater, wherein the solid-state relay and the heater are arranged in series. The power supply is connected in parallel with a current sampling meter, a voltage sampling unit and a voltage stabilizer. The power supply is also connected with a programmable logic controller (PLC) module. A working condition identification unit lamp is connected between the PLC module and the power supply. An oil pump control switch, a heater control switch, an OCV starting switch, a duty ratio increase switch, a duty ratio reduction switch and a reset switch are respectively connected between the power supply port and the connection port of the PLC module. The PLC module is also connected with a data acquisition module and a personnel computer (PC) tester. According to the technical scheme of the utility model, by means of the novel OCV testing device, various parameters, such as the relation curve of the flow with the duty ratio, the duty ratio at a neutral point, the leakage and the like, can be detected in real time.
Description
technical field
The utility model relates to a proving installation, relates in particular to a kind of New O CV valve test device.
Background technology
VVT system refers to " intelligent alterable valve timing system ", is a kind of new technology that is applied to gradually in recent years Modern Car.It controls the switching of valve at any time according to engine condition, change valve motion lift, improves air inlet charge, and coefficient of charge is increased, and engine torque and power are further enhanced, thereby improves the fuel economy of automobile.
VVT system is partly comprised of sensor, ECU controller and OCV Oil Control Valve (OCV), camshaft phase regulator etc.According to operating mode, ECU calculates the optimal valve timing camshaft phase place under each driving conditions, by output pwm signal to OCV Oil Control Valve, OCV Oil Control Valve is according to the position of different PWM Duty ratio control spools, change hydraulic flow and direction, thereby realize the actions such as camshaft phase shifts to an earlier date, lags behind, remains unchanged.As the hydraulic control valve of VVT camshaft phase regulator, the quality of its performance directly affects the overall performance of VVT system.OCV is mainly comprised of pwm signal interface, iron core, coil, valve body (comprising spool) and spring, coil utilizes electromagnetic force that iron core is moved, and iron core is connected with spool, and iron core moves band movable valve plug is slided, the slip of spool opens and closes oil circuit, thereby controls oil-feed and oil return.Therefore, study its test bench for performance and detect the OCV meeting the demands, have the important meaning of truly controlling its product percent of pass.
Summary of the invention
Technical problem to be solved in the utility model is to provide the New O CV valve test device that a kind of testing precision is high, reliability is strong.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of New O CV valve test device, comprise OCV valve, the oil inlet end of described OCV valve connects promising its provides the hydraulic pressure fuel oil supply unit of stablizing oil pressure, and described OCV valve is also connected with OCV valve working condition measurement frock;
Described hydraulic pressure fuel oil supply unit comprises storage tank, described storage tank is connected with engine oil filter by pipeline, the oil outlet end of described engine oil filter is connected to described OCV valve by petroleum pipeline, and described engine oil filter is provided with successively oil pump and oil transportation protective device to the described petroleum pipeline between described OCV valve;
Described OCV valve working condition measurement frock comprises power supply, and described power supply is electrically connected to described oil pump, described power supply is connected with solid-state relay and is the well heater of machine oil heating, and described solid-state relay and the series connection of described well heater arrange, on described power supply, be also parallel with successively current sampling table, voltage sampling device and voltage stabilizer, described power supply is also connected with PLC module, between described PLC module and described power supply, be connected with operating mode identity device, between the power port of described PLC module and its connectivity port, be connected with respectively oil pump control switch, well heater gauge tap, OCV valve starting switch, dutycycle adds switch, dutycycle subtracts switch and reset switch, described PLC module is also connected with data acquisition module, described PLC module is also connected with PC test machine.
As a kind of improvement, described engine oil filter comprises the filtrator being arranged on pipeline, in described filtrator, is installed with screen pack.
As a kind of improvement, described oil transportation protective device comprises surplus valve, retaining valve and the flowmeter being arranged on successively on described petroleum pipeline.
As a kind of improvement, the voltage of described output end of voltage stabilizer is+DC voltage of 24V.
As a kind of improvement, described data acquisition module comprises the current sampling unit, the voltage sampling unit being connected with described voltage sampling device that are connected with described current sampling table, be arranged on the first pressure unit in described petroleum pipeline, be arranged on Temperature Detector, the flow transmitter being connected with described flowmeter on described well heater, be arranged on the second pressure unit and temperature transmitter on described OCV valve output terminal oil circuit.
As a kind of improvement, described voltage sampling device comprises the sampling voltage stabilizer being arranged in parallel with described current sampling device, and described sampling output end of voltage stabilizer is connected with voltage sampling resistor.
As a kind of improvement, described operating mode identity device comprises standby mark lamp, alarm lamp and the operation mark lamp being connected in parallel between described power supply and described PLC module.
Owing to having adopted technique scheme, the beneficial effects of the utility model are: utilize hydraulic pressure fuel oil supply unit to provide oil pressure stable machine oil for tested OCV valve, to guarantee the stability of OCV valve work, and OCV valve working condition measurement frock can be real-time detect the parameters such as flow-dutycycle relation curve, neutral some dutycycle, leakage, met the demand to the test of OCV valve key property, for OCV valve research and utilization is laid a good foundation.
accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment hydraulic pressure fuel oil supply unit;
Fig. 2 is the electrical schematic diagram of the utility model embodiment OCV valve working condition measurement frock;
Wherein, 1-OCV valve; 2-storage tank; 3-petroleum pipeline; 4-filtrator; 5-surplus valve; 6-retaining valve; 7-flowmeter; 8-oil pump; 9-current sampling unit; 10-voltage sampling unit; 11-the first pressure unit; 12-Temperature Detector; 13-flow transmitter; 14-the second pressure unit; 15-temperature transmitter; 16-PC test machine.
Embodiment
As depicted in figs. 1 and 2, a kind of New O CV valve test device, comprises OCV valve 1, and the oil inlet end of described OCV valve 1 connects promising its provides the hydraulic pressure fuel oil supply unit of stablizing oil pressure, and described OCV valve 1 is also connected with OCV valve working condition measurement frock.
Described hydraulic pressure fuel oil supply unit in the present embodiment comprises storage tank 2, described storage tank 2 is connected with engine oil filter by pipeline, the oil outlet end of described engine oil filter is connected to described OCV valve 1 by petroleum pipeline 3, and described engine oil filter is provided with successively oil pump 8 and oil transportation protective device to the described petroleum pipeline 3 between described OCV valve 1; Wherein, described engine oil filter comprises the filtrator 4 being arranged on pipeline, in described filtrator 4, is installed with screen pack, can filter out the impurity in machine oil, guarantees the safe and stable operation of OCV valve 1, to guarantee the accuracy of test result.Described oil transportation protective device comprises surplus valve 5, retaining valve 6 and the flowmeter 7 being arranged on successively on described petroleum pipeline 3; can guarantee accurately the fuel delivery of OCV valve 1; avoid causing machine oil earial drainage and machine oil momentum and affect test result; simultaneously can effectively must be by machine oil earial drainage; safe and convenient to use; the oil outlet end of surplus valve 5 is connected with and is connect oil vessel by pipeline, is convenient to the recycling of machine oil.
Described OCV valve working condition measurement frock comprises power supply, and power supply is 380V commercial power, described power supply is electrically connected to described oil pump 8, described power supply is connected with solid-state relay SOR and is the well heater R of machine oil heating, for machine oil increases temperature, make the test environment of OCV valve 1 approach use state most, and described solid-state relay SOR and described well heater R series connection setting.On described power supply, be also parallel with successively current sampling Table A, voltage sampling device and voltage stabilizer AS2, described power supply is also connected with PLC module, between described PLC module and described power supply, be connected with operating mode identity device, between the power port of described PLC module and its connectivity port, be connected with respectively that oil pump control K switch 1, well heater gauge tap K2, OCV valve starting switch K3, dutycycle add switch K4, dutycycle subtracts K switch 5 and reset switch K6, described PLC module is also connected with data acquisition module.Described voltage sampling device comprises the sampling voltage stabilizer AS1 being arranged in parallel with described current sampling device, and described sampling voltage stabilizer AS1 output terminal is connected with voltage sampling resistor R1, and the voltage of described voltage stabilizer AS1 output terminal is the adjustable voltage of 0～+ 30V.
The voltage of described voltage stabilizer AS2 output terminal is+DC voltage of 24V.For described PLC module provides DC voltage-stabilizing working power, to guarantee the safe and stable operation of described PLC module.
Described data acquisition module comprises the current sampling unit 9, the voltage sampling unit 10 being connected with described voltage sampling device that are connected with described current sampling Table A, be arranged on the first pressure unit 11 in described petroleum pipeline 3, be arranged on Temperature Detector 12, the flow transmitter 13 being connected with described flowmeter 7 on described well heater R, be arranged on the second pressure unit 14 and temperature transmitter 15 on described OCV valve 1 output terminal oil circuit.
Described operating mode identity device comprises standby mark lamp D1, alarm lamp D2 and the operation mark lamp D3 being connected in parallel between described power supply and described PLC module, carrys out the running status of identity device.
Described PLC module is also connected with PC test machine 16, carries out data processing and analysis, and draws test result.
The utility model utilizes hydraulic pressure fuel oil supply unit to provide oil pressure stable machine oil for tested OCV valve, to guarantee the stability of OCV valve work, and OCV valve working condition measurement frock can be real-time detect the parameters such as flow-dutycycle relation curve, neutral some dutycycle, leakage, met the demand to the test of OCV valve key property, for OCV valve research and utilization is laid a good foundation.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (1)
1. a New O CV valve test device, is characterized in that: comprise OCV valve, the oil inlet end of described OCV valve connects promising its provides the hydraulic pressure fuel oil supply unit of stablizing oil pressure, and described OCV valve is also connected with OCV valve working condition measurement frock;
Described hydraulic pressure fuel oil supply unit comprises storage tank, described storage tank is connected with engine oil filter by pipeline, the oil outlet end of described engine oil filter is connected to described OCV valve by petroleum pipeline, and described engine oil filter is provided with successively oil pump and oil transportation protective device to the described petroleum pipeline between described OCV valve;
Described OCV valve working condition measurement frock comprises power supply, and described power supply is electrically connected to described oil pump, described power supply is connected with solid-state relay and is the well heater of machine oil heating, and described solid-state relay and the series connection of described well heater arrange, on described power supply, be also parallel with successively current sampling table, voltage sampling device and voltage stabilizer, described power supply is also connected with PLC module, between described PLC module and described power supply, be connected with operating mode identity device, between the power port of described PLC module and its connectivity port, be connected with respectively oil pump control switch, well heater gauge tap, OCV valve starting switch, dutycycle adds switch, dutycycle subtracts switch and reset switch, described PLC module is also connected with data acquisition module, described PLC module is also connected with PC test machine.
2. a kind of New O CV valve test device as claimed in claim 1, is characterized in that: described engine oil filter comprises the filtrator being arranged on pipeline, in described filtrator, is installed with screen pack.
3. a kind of New O CV valve test device as claimed in claim 1, is characterized in that: described oil transportation protective device comprises surplus valve, retaining valve and the flowmeter being arranged on successively on described petroleum pipeline.
4. a kind of New O CV valve test device as claimed in claim 3, is characterized in that: described data acquisition module comprises the current sampling unit, the voltage sampling unit being connected with described voltage sampling device that are connected with described current sampling table, be arranged on the first pressure unit in described petroleum pipeline, be arranged on Temperature Detector, the flow transmitter being connected with described flowmeter on described well heater, be arranged on the second pressure unit and temperature transmitter on described OCV valve output terminal oil circuit.
5. a kind of New O CV valve test device as claimed in claim 1, is characterized in that: the DC voltage that the voltage of described output end of voltage stabilizer is+24V.
6. a kind of New O CV valve test device as claimed in claim 1, is characterized in that: described voltage sampling device comprises the sampling voltage stabilizer being arranged in parallel with described current sampling device, and described sampling output end of voltage stabilizer is connected with voltage sampling resistor.
7. a kind of New O CV valve test device as claimed in claim 1, is characterized in that: described operating mode identity device comprises standby mark lamp, alarm lamp and the operation mark lamp being connected in parallel between described power supply and described PLC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593773.6U CN203551257U (en) | 2013-09-25 | 2013-09-25 | Novel oil control valve (OCV) testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593773.6U CN203551257U (en) | 2013-09-25 | 2013-09-25 | Novel oil control valve (OCV) testing device |
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| CN203551257U true CN203551257U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320593773.6U Expired - Lifetime CN203551257U (en) | 2013-09-25 | 2013-09-25 | Novel oil control valve (OCV) testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483071A (en) * | 2014-12-30 | 2015-04-01 | 宁波三峰机械电子有限公司 | Detecting device for OCV |
| CN107060944A (en) * | 2016-01-21 | 2017-08-18 | 马自达汽车株式会社 | The machine oil feeding mechanism of engine |
| CN108760257A (en) * | 2018-04-04 | 2018-11-06 | 杭州高品自动化设备有限公司 | A kind of air testing method of OCV valves |
-
2013
- 2013-09-25 CN CN201320593773.6U patent/CN203551257U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483071A (en) * | 2014-12-30 | 2015-04-01 | 宁波三峰机械电子有限公司 | Detecting device for OCV |
| CN104483071B (en) * | 2014-12-30 | 2017-02-22 | 宁波三峰机械电子股份有限公司 | Detecting device for OCV |
| CN107060944A (en) * | 2016-01-21 | 2017-08-18 | 马自达汽车株式会社 | The machine oil feeding mechanism of engine |
| CN107060944B (en) * | 2016-01-21 | 2019-08-13 | 马自达汽车株式会社 | The machine oil feeding mechanism of engine |
| US10738664B2 (en) | 2016-01-21 | 2020-08-11 | Mazda Motor Corporation | Oil supply device for engine |
| CN108760257A (en) * | 2018-04-04 | 2018-11-06 | 杭州高品自动化设备有限公司 | A kind of air testing method of OCV valves |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |