CN204610116U - A kind of hand-held VP37-VP44-common rail pump detector - Google Patents
A kind of hand-held VP37-VP44-common rail pump detector Download PDFInfo
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- CN204610116U CN204610116U CN201520325671.5U CN201520325671U CN204610116U CN 204610116 U CN204610116 U CN 204610116U CN 201520325671 U CN201520325671 U CN 201520325671U CN 204610116 U CN204610116 U CN 204610116U
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- pump
- common rail
- drive circuit
- acquisition circuit
- power supply
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Abstract
The utility model provides a kind of hand-held VP37-VP44-common rail pump detector, it is characterized in that, comprise VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit, MCU controller and power supply circuits; Described VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit are connected with MCU controller respectively with power supply circuits, and described power supply circuits also connect a built-in lithium cell.A kind of hand-held VP37-VP44-common rail pump detector that the utility model provides, low cost, easy to maintenance, testable pump kind are more, the Detection & Controling of VP37 pump, VP44 pump and common rail pump can be realized on same portion testing instrument, convenient test, visual result, reliable operation, cheap, for low cost market in repair service, there is extreme influence power.
Description
Technical field
The utility model relates to detection facility field, is specifically related to a kind of hand-held VP37-VP44-common rail pump detector.
Background technique
Diesel engine after invention over 100 years, the power character superior because of it and Economy and reliable durable, be widely used as power source in communications and transportation and engineering machinery.By the impact of energy crisis and environmental pollution, the fuel consumption and emission of diesel engine is had higher requirement.
Diesel engine oil supply system working condition directly affects exhaust index, because oil supply system working environment is disliked slightly, be in high pressure-temperature situation for a long time, likely cause the damage of the equipment such as oil pump, oil sprayer, common rail pipe, and the situation such as electronic control system (ECU) fault, high-pressure fuel supply system performance state directly affects performance and the safety of motor.
The domestic equipment for detecting oil pump, oil sprayer or common rail pipe is large-scale single test bench at present, can only realize single pump or oil sprayer test, and can only fixedly mount and ABAP Adapter use, and involve great expense, maintenance expenses is high, difficult in maintenance.
If application number is the Chinese utility model patent of 201120566043.8, disclose a kind of two 3D automotive test equipment, image acquisition device and 3-D photography measuring system when it comprises reflecting target, at least two photographic cameras, high-precision reals, described reflecting target comprises the chassis reflecting target of four vehicle body reflecting targets contacted with vehicle body and four and hub contacts, described chassis reflecting target is fixed on described wheel hub, described photographic camera is arranged on the both sides of described 3-D photography measuring system, during described high-precision real, image acquisition device connects described photographic camera and 3-D photography measuring system respectively, two-way interactive data, two 3D automotive test equipments of this model utility are by two high pixel industrial camera camera lenses, under the control of comprehensive detection system, to totally eight continuous snapshots of target on punctuate under automobile chassis and vehicle body, and by clap the real data and vehicle release data analysis that obtain, thus draw vehicle whether safety.This covering device is huge and complicated, is only suitable for being fixedly installed in Auto repair shop using.
As can be seen here, market also there is no a hand-held tester that truly can realize portable inspectiont and control, have to be developed and improve.
Model utility content
The purpose of this utility model is, for defect of the prior art, a kind of hand-held VP37-VP44-common rail pump detector is provided, the portable detector of small handheld is modified into from large-scale monitor station to make the common rail pump detection facility of Diesel high compression engine, contribute to reducing the maintenance difficulty of maintenance man, cost is low and be easy to carry.
For achieving the above object, the utility model is by the following technical solutions:
A kind of hand-held VP37-VP44-common rail pump detector, comprises VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit, MCU controller and power supply circuits; Described VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit are connected with MCU controller respectively with power supply circuits, and described power supply circuits also connect a built-in lithium cell.
Further, described power supply circuits are connected to MCU controller by mode of operation input circlult, and power supply circuits are also connected with an external power interface.
Further, the display screen be connected with MCU controller is also comprised.
Further, described display screen is 12864 dot matrix liquid crystal displays.
A kind of hand-held VP37-VP44-common rail pump detector that the utility model provides, integrates Detection & Controling, its compact, can hand-heldly use, also can carry with.Compared with similar products, relatively cheap, easy to maintenance, the testable pump kind of the utility model cost is more, the Detection & Controling of VP37 pump, VP44 pump and common rail pump can be realized on same portion testing instrument, convenient test, visual result, reliable operation, cheap, for low cost market in repair service, there is extreme influence power.
The diesel engine of current high capacity waggon field state three standard estimates that recoverable amount is more than 2,000,000, and corresponding duration of service expires gradually, and traditional detection facility is with high costs, detection means is single, faults frequent, causes maintenance difficulty greatly, costly.The utility model has the features such as with low cost, support model is many, easy to use, testing precision is high, speed is fast, human-computer interaction interface is outstanding, has the extremely wide market space.
The utility model is the Multifunctional hand-held detector integrating detection and control VP37 pump, VP44 pump, common rail pump, achieve the transformation of automotive check instrument to portable equipment of conventional cumbersome, have also been changed people and in the present situation of garage's maintenance, the advance of this model utility can only have been fully demonstrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is described in detail.
As shown in Figure 1, a kind of hand-held VP37-VP44-common rail pump detector that the utility model embodiment provides comprises:
VP37 angle acquisition circuit, for the deflection angle signal utilizing LVDT signal emitter to gather VP37 pump;
VP44 timing signal Acquisition Circuit, for the pump position signal utilizing Hall transducer to gather VP44 pump, provides timing benchmark, i.e. the timing stability of VP44 pump;
Common rail pump pressure acquisition circuit, for gathering high voltage common rail pump pressure signal;
PWM-VP37 pump aperture drive circuit, for exporting the pwm signal driving VP37 aperture;
Metering valve drive circuit, for exporting the pwm signal driving metering valve;
VP44 pump drive circuit, for exporting the pwm signal driving VP44 pump;
MCU controller, for the PWM drive singal dutycycle that control PWM-VP37 pump aperture drive circuit, metering valve drive circuit and VP44 pump drive circuit export, and collect the deflection angle of VP37 pump, the timing stability of VP44 pump and common rail pump pressure by VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit and common rail pump pressure acquisition circuit; In the present embodiment, adopt STC single-chip microcomputer as MCU controller;
Power supply circuits, for battery charging and discharging management and protection, provide the various power supplys needed for testing apparatus; Described power supply circuits connect a built-in lithium cell, also connect an external power interface;
Mode of operation input circlult, for changing the mode of operation of power supply circuits, is switched to built-in lithium battery to power or ABAP Adapter is powered;
Display screen, for carrying out working state display and test result output, in the present embodiment, adopts 12864 dot matrix liquid crystal displays.
Wherein, VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit are connected with MCU controller respectively with display screen.Described power supply circuits are connected with MCU controller by mode of operation input circlult.
Working procedure of the present utility model is as follows, first, VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit and common rail pump pressure acquisition circuit gather automobile from VP37 angle signal, VP44 pulse signal, the common rail pump pressure signal of belt sensor, send to MCU controller; Through the process of MCU controller, the dutycycle of the PWM pulse-width modulation control signal that control PWM-VP37 pump aperture drive circuit, metering valve drive circuit and VP44 pump drive circuit send, and then the PID Angle ambiguity output signal of control VP37 pump, VP44 pump drive signal and metering valve drive singal; Then by judging timing stability and rotating stability, the metering valve feedback signal quality that confirm common rail pump whether consistent with input signal of VP37 angular deflection, VP44.And pwm signal is directly controlled by MCU, more accurately, more safe and reliable.In use, directly can also control deflection angle, fuel injection quantity, pressure size etc. by the option in display screen, then be controlled to output signal by the process of MCU controller; Whole process operation is simple and clear.
A kind of hand-held VP37-VP44-common rail pump detector that the utility model provides, integrates Detection & Controling, its compact, can hand-heldly use, also can carry with.Compared with similar products, relatively cheap, easy to maintenance, the testable pump kind of the utility model cost is more, the Detection & Controling of VP37 pump, VP44 pump and common rail pump can be realized on same portion testing instrument, convenient test, visual result, reliable operation, cheap, for low cost market in repair service, there is extreme influence power.
The diesel engine of current high capacity waggon field state three standard estimates that recoverable amount is more than 2,000,000, and corresponding duration of service expires gradually, and traditional detection facility is with high costs, detection means is single, faults frequent, causes maintenance difficulty greatly, costly.The utility model has the features such as with low cost, support model is many, easy to use, testing precision is high, speed is fast, human-computer interaction interface is outstanding, has the extremely wide market space.
The utility model is the Multifunctional hand-held detector integrating detection and control VP37 pump, VP44 pump, common rail pump, achieve the transformation of automotive check instrument to portable equipment of conventional cumbersome, have also been changed people and in the present situation of garage's maintenance, the advance of this model utility can only have been fully demonstrated.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (4)
1. a hand-held VP37-VP44-common rail pump detector, it is characterized in that, comprise VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit, MCU controller and power supply circuits; Described VP37 angle acquisition circuit, VP44 timing signal Acquisition Circuit, common rail pump pressure acquisition circuit, PWM-VP37 pump aperture drive circuit, metering valve drive circuit, VP44 pump drive circuit are connected with MCU controller respectively with power supply circuits, and described power supply circuits also connect a built-in lithium cell.
2. hand-held VP37-VP44-common rail pump detector according to claim 1, it is characterized in that, described power supply circuits are connected to MCU controller by mode of operation input circlult, and power supply circuits are also connected with an external power interface.
3. hand-held VP37-VP44-common rail pump detector according to claim 1, is characterized in that, also comprise the display screen be connected with MCU controller.
4. hand-held VP37-VP44-common rail pump detector according to claim 3, it is characterized in that, described display screen is 12864 dot matrix liquid crystal displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325671.5U CN204610116U (en) | 2015-05-19 | 2015-05-19 | A kind of hand-held VP37-VP44-common rail pump detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325671.5U CN204610116U (en) | 2015-05-19 | 2015-05-19 | A kind of hand-held VP37-VP44-common rail pump detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610116U true CN204610116U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325671.5U Expired - Fee Related CN204610116U (en) | 2015-05-19 | 2015-05-19 | A kind of hand-held VP37-VP44-common rail pump detector |
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| Country | Link |
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| CN (1) | CN204610116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806410A (en) * | 2015-05-19 | 2015-07-29 | 广州城市职业学院 | Handheld VP37-VP44-common rail pump detector |
-
2015
- 2015-05-19 CN CN201520325671.5U patent/CN204610116U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806410A (en) * | 2015-05-19 | 2015-07-29 | 广州城市职业学院 | Handheld VP37-VP44-common rail pump detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150902 Termination date: 20200519 |