CN208122929U - Gas helps formula urea metering pump filed detection system - Google Patents
Gas helps formula urea metering pump filed detection system Download PDFInfo
- Publication number
- CN208122929U CN208122929U CN201820520944.5U CN201820520944U CN208122929U CN 208122929 U CN208122929 U CN 208122929U CN 201820520944 U CN201820520944 U CN 201820520944U CN 208122929 U CN208122929 U CN 208122929U
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- China
- Prior art keywords
- metering pump
- gas
- plug
- formula urea
- helps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model provides a kind of gas and helps formula urea metering pump filed detection system, including：Air compressor, pressure regulator valve, air filter, CAN card, AC/DC power module, control harness, inlet tube, liquid back pipe, injection pipe；Air compressor connects pressure regulator valve one end by tracheae, and the pressure regulator valve other end connects air filter import by tracheae, and air filter outlet connects the air inlet that gas helps formula urea metering pump by tracheae；AC/DC power module is for providing the direct-current working volts that gas helps formula urea metering pump；CAN card helps the communication of formula urea metering pump and host computer for gas；Control harness includes metering pump plug, CAN communication line, power supply line, the terminal in one end connection metering pump plug of two CAN communication lines, other end connection CAN card；Terminal in one end connection metering pump plug 1 of two power supply lines, the other end connect the DC output end of AC/DC power module.The utility model can at the scene detect urea metering pump.
Description
Technical field
The utility model relates to a kind of detection device, especially a kind of gas helps formula urea metering pump filed detection system.
Background technique
Do not occur the filed detection system that fairly perfect SCR gas helps formula urea metering pump also currently on the market.General feelings
Under condition, testing staff is by using the equipment on vehicle（Harness on vehicle, DCU, battery, compressed air etc.）Next pair
Gas helps formula urea pump to be detected, if the specific failure cause of urea pump can not be detected, failure pump is returned producer, is transferred to
Special messenger tests and analyzes.
It is detected since the equipment on vehicle can only be relied under the prior art, when testing staff detects at the scene,
In this case, testing staff just needs to get into vehicle bottom and carries out observation operation when detecting, sometimes also as needing the pass of power-on and power-off
It ties up between vehicle bottom and driver's cabin and carrys out fallback, all can be very loaded down with trivial details even if in this case only detecting a urea metering pump, it needs to throw
Enter many times, energy, efficiency is very low.Moreover, since the unstability of equipment on vehicle and non-intellectual are big, Hen Duoshi
The state that all can not correctly detect pump is waited, is caused in the failure pump for returning producer, there are many pump fault-free after tested, False Rate
It is very high, the after-sales service cost of urea metering pump is in this case increased, the detection of urea metering pump manufacturer is wasted
The time of personnel and energy.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of gas and helps formula urea metering pump on-site test system
System, can at the scene without compressed air and 24V DC power supply in the case where complete to help SCR gas the inspection of formula urea metering pump
It surveys.The technical solution adopted in the utility model is：
A kind of gas helps formula urea metering pump filed detection system, including：Air compressor, pressure regulator valve, air filter,
CAN card, AC/DC power module, control harness, inlet tube, liquid back pipe, injection pipe；
The air compressor connects pressure regulator valve one end by tracheae, and the pressure regulator valve other end connects air filtration by tracheae
Device import, air filter outlet connect the air inlet that gas helps formula urea metering pump by tracheae；
AC/DC power module is for providing the direct-current working volts that gas helps formula urea metering pump；
CAN card helps the communication of formula urea metering pump and host computer for gas；
Control harness includes metering pump plug, CAN communication line, power supply line, and metering pump plug is for being inserted in urea metering pump
Main electrical scheme seat on；Multiple terminals are equipped in metering pump plug；End in one end connection metering pump plug of two CAN communication lines
Son, the other end connect CAN card；Terminal in one end connection metering pump plug 1 of two power supply lines, the other end connect AC/DC electricity
The DC output end of source module；
CAN communication line, power supply line are separately connected terminal different in metering pump plug；
Inlet tube connection gas helps the inlet of formula urea metering pump, and liquid back pipe connection gas helps time liquid of formula urea metering pump
Mouthful, injection pipe connection gas helps the mouth spray of formula urea metering pump.
Further, inlet tube, liquid back pipe, injection pipe are transparent pipe.
Further, control harness further includes an ignition switch；In one end connection metering pump plug of the ignition switch
Terminal, the positive voltage of another termination AC/DC power module output.
Further, control harness further includes metering pump air solenoid valve plug, and the metering pump air solenoid valve plug is logical
Cross the terminal in two connecting line connection metering pump plugs；Metering pump air solenoid valve plug is by being inserted in based on urea metering pump
On amount pump air solenoid valve socket.
Further, CAN communication line, power supply line, ignition switch, metering pump air solenoid valve plug are separately connected metering
Pump terminal different in plug.
The utility model has the advantage of：
1）Urea metering pump can be detected at the scene, avoid the process of return-to-factory detection, detection efficiency is high.
2）It avoids since the unstability of equipment with non-intellectual causes the testing result of urea metering pump on vehicle
It influences, improves the accuracy of breakdown judge.
Detailed description of the invention
Fig. 1 is the structure composition schematic diagram of the utility model.
Fig. 2 is the control wire harness schematic of the utility model.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
As shown in Figure 1, a kind of gas provided by the utility model helps formula urea metering pump filed detection system, including：Air
Compressor, pressure regulator valve, air filter, CAN card, AC/DC power module, control harness, inlet tube, liquid back pipe, injection pipe；On
Stating equipment is portable device, small in size, light-weight, they can be all placed in luggage case, very convenient to carry.
The air compressor connects pressure regulator valve one end by tracheae, and the pressure regulator valve other end connects air filtration by tracheae
Device import, air filter outlet connect the air inlet that gas helps formula urea metering pump by tracheae；
OTS-550 oil-free air compressor can be used in air compressor, and effect is to provide compressed air；The effect of pressure regulator valve
It is that the output pressure of air compressor is adjusted to 4Bar, helps the needs of formula urea metering pump is to air pressure to meet gas；It is empty
The effect of air filter is oil, the water filtered in air compressor output gas；Air compressor, pressure regulator valve, air filter
It is all connected by 6mm tracheae between urea metering pump steam inlet；
AC/DC power module is 24V for providing the direct-current working volts that gas helps formula urea metering pump；AC/DC power supply mould
Switching Power Supply can be used to provide the voltage of 24V in block, in this case need not just rely on vehicle condition, can provide any
Testboard is built in the place of 220V voltage receptacle, then can be put together all pumps to be measured and be detected one by one, thus simplify
The testing process of formula urea metering pump is helped gas at the scene, while also being eliminated due to certain factors on vehicle and to test
As a result a possibility that impacting.
CAN card helps the communication of formula urea metering pump and host computer for gas；Computer can be used in host computer；It is helped in computer and gas
After formula urea metering pump is connected by CAN card, formula urea metering pump can be helped to issue instruction gas by computer, complete it just
Beginningization, pre- note, injection and the process purged, can also exclude because of DCU in this way（Controller on vehicle）, wire harness and sensor reason
And to influence caused by the result of pump test.
CAN card connect gas by control harness with AC/DC power module and helps formula urea metering pump；
The structure of harness is controlled as shown in Fig. 2, including metering pump plug 1, CAN communication line 2, power supply line 3, metering pump plug
1 for being inserted in the main electrical scheme seat of urea metering pump；Multiple terminals 101 are equipped in metering pump plug 1；Two CAN communication lines 2
One end connects the terminal in metering pump plug 1, and the other end connects CAN card；One end of two power supply lines 3 connects metering pump plug 1
In terminal, the other end connect AC/DC power module DC output end；
Controlling harness further includes an ignition switch 4；Terminal in one end connection metering pump plug 1 of the ignition switch 4, separately
The positive voltage of one termination AC/DC power module output；Ignition switch 4 is supplied to gas and helps formula for simulating vehicle ignition signal
Urea metering pump；
Controlling harness further includes metering pump air solenoid valve plug 5, which passes through two companies
Wiring connects the terminal in metering pump plug 1；The metering pump that metering pump air solenoid valve plug 5 is used to be inserted in urea metering pump is empty
On pneumoelectric magnet valve socket, when the process sprayed and purged, metering pump air solenoid valve controls gas inside urea metering pump
The on-off on road；
CAN communication line 2, power supply line 3, ignition switch 4, metering pump air solenoid valve plug 5 are separately connected metering pump plug 1
Middle different terminal.
Inlet tube connection gas helps the inlet of formula urea metering pump, and liquid back pipe connection gas helps time liquid of formula urea metering pump
Mouthful, injection pipe connection gas helps the mouth spray of formula urea metering pump；Inlet tube, liquid back pipe, injection pipe are transparent pipe, thus can
Facilitate observation urea metering pump its feed liquor, time liquid and injection situation at work, facilitates in test to urea metering pump
Pump state carries out accurate judgement.
CAN in the utility model refers to controller local area network (Controller Area Network).
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of gas helps formula urea metering pump filed detection system, which is characterized in that including：Air compressor, pressure regulator valve, air
Filter, CAN card, AC/DC power module, control harness, inlet tube, liquid back pipe, injection pipe；
The air compressor by tracheae connect pressure regulator valve one end, the pressure regulator valve other end by tracheae connection air filter into
Mouthful, air filter outlet connects the air inlet that gas helps formula urea metering pump by tracheae；
AC/DC power module is for providing the direct-current working volts that gas helps formula urea metering pump；
CAN card helps the communication of formula urea metering pump and host computer for gas；
Control harness includes metering pump plug (1), CAN communication line (2), power supply line (3), and metering pump plug (1) is for being inserted in urine
On the main electrical scheme seat of plain metering pump；Multiple terminals (101) are equipped in metering pump plug (1)；One end of two CAN communication lines (2)
The terminal in metering pump plug (1) is connected, the other end connects CAN card；One end of two power supply lines (3) connects metering pump plug
(1) terminal in, the other end connect the DC output end of AC/DC power module；
CAN communication line (2), power supply line (3) are separately connected terminal different in metering pump plug (1)；
Inlet tube connection gas helps the inlet of formula urea metering pump, and liquid back pipe connection gas helps the liquid return hole of formula urea metering pump, spray
Penetrate the mouth spray that pipe connection gas helps formula urea metering pump.
2. gas as described in claim 1 helps formula urea metering pump filed detection system, which is characterized in that
Inlet tube, liquid back pipe, injection pipe are transparent pipe.
3. gas as described in claim 1 helps formula urea metering pump filed detection system, which is characterized in that
Controlling harness further includes an ignition switch (4)；Terminal in one end connection metering pump plug (1) of the ignition switch (4),
The positive voltage of another termination AC/DC power module output.
4. gas as claimed in claim 3 helps formula urea metering pump filed detection system, which is characterized in that
Controlling harness further includes metering pump air solenoid valve plug (5), which passes through two companies
Wiring connects the terminal in metering pump plug (1)；Metering pump air solenoid valve plug (5) is used to be inserted in the metering of urea metering pump
It pumps on air solenoid valve socket.
5. gas as claimed in claim 4 helps formula urea metering pump filed detection system, which is characterized in that
CAN communication line (2), power supply line (3), ignition switch (4), metering pump air solenoid valve plug (5) are separately connected metering pump
Different terminal in plug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520944.5U CN208122929U (en) | 2018-04-13 | 2018-04-13 | Gas helps formula urea metering pump filed detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520944.5U CN208122929U (en) | 2018-04-13 | 2018-04-13 | Gas helps formula urea metering pump filed detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122929U true CN208122929U (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520944.5U Active CN208122929U (en) | 2018-04-13 | 2018-04-13 | Gas helps formula urea metering pump filed detection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208122929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973186A (en) * | 2019-03-28 | 2019-07-05 | 无锡威孚力达催化净化器有限责任公司 | Gas helps formula urea metering pump service aid |
-
2018
- 2018-04-13 CN CN201820520944.5U patent/CN208122929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973186A (en) * | 2019-03-28 | 2019-07-05 | 无锡威孚力达催化净化器有限责任公司 | Gas helps formula urea metering pump service aid |
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