CN208396785U - The mounting arrangements structure of components in a kind of SCR urea pump - Google Patents
The mounting arrangements structure of components in a kind of SCR urea pump Download PDFInfo
- Publication number
- CN208396785U CN208396785U CN201821043651.9U CN201821043651U CN208396785U CN 208396785 U CN208396785 U CN 208396785U CN 201821043651 U CN201821043651 U CN 201821043651U CN 208396785 U CN208396785 U CN 208396785U
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- mounting arrangements
- control panel
- pcb circuit
- components
- circuit control
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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
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model relates to a kind of mounting arrangements structures for components in SCR urea pump.The mounting arrangements structure of the utility model includes sensor or actuator, installation base body, PCB circuit control panel, wherein PCB circuit control panel is bolted in installation base body, sensor or actuator are bolted on matrix, sensor or actuator pass through the terminal carried with the terminal being welded on PCB circuit control panel to being plugged together simultaneously, by circuit on PCB circuit control panel, realize the connection and control needed to electrical part.The utility model uses the PCB circuit control panel inherently needed in pump as carrier, realizes the connection of each module, cost is relatively low, and electric appliance connection reliability is high, installs simple and reliable without increasing part.
Description
Technical field
The utility model belongs to passenger car exhaust aftertreatment technical field, and in particular to components in a kind of SCR urea pump
Mounting arrangements structure.
Background technique
SCR technology (SCR) is acknowledged as reducing diesel engine NOxDischarge most effective post-processing technology it
One, be also considered as be best suitable for China's actual conditions, can satisfy one of state IV and the post-processing technology of the above emission request.Urea
SCR is hydrolyzed into NH by spraying urea water, urea water into diesel engine vent gas3, under the action of SCR catalyst, NH3With tail gas
In NOxReduction reaction occurs, generates N2And H2O, so that reaching reduces NOxThe purpose of discharge.SCR system chief component
For urea injection system and SCR catalyst.
The SCR urea injection system being widely used at present is broadly divided into two classes: air assisted injection system and no air are auxiliary
Help spraying system.Air assisted injection system generally by urea jet pump complete metering then with compressed air mixing jetting to tail
In gas；No air assisted injection system generally establishes pressure by urea pump, then the electromagnetic type by being mounted on exhaust pipe
Measuring jet control urea liquid atomized spray, the urea pump of the spraying system of both patterns is past according to functional requirement
Past includes: 1. to pump part (can be diaphragm pump, gear pump, plunger pump etc.)；2. pressure sensor device (is used for pressure closed loop control
System and OBD diagnosis)；3. back suction or air purge set (can be back suction pump, reversal valve or air switching sol etc.)；4. plus
Thermalization ice system (including heat-generating units and temperature feedback part), air assist system further includes air-pressure controlling valve, is owned
It further include independent control unit in pump.The above analysis is it is found that include many electric actuators and sensing in SCR urea pump
How device, each functional block connect the difficult point for being arranged as the design of SCR urea pump.
The main connection method of product has at present:
(1) directly conducting wire connects each functional block, there are the problem of: pump inside conductor is various, install it is fixed difficult, it is at high cost,
Connection reliability is poor, assembly difficulty etc..
(2) by conductor (such as copper sheet) stamping parts as functional block connect carrier, be fixed in pump, there are the problem of: company
Carry body and need fixed (by injection molding or method fixed one by one), installation is complicated, and occupied space is big, outer connection terminal with connect
Carrier needs punching press or welds together, at high cost to required precision height.
Summary of the invention
The technical problem to be solved by the utility model is in view of the above shortcomings of the prior art, provide a kind of SCR
The mounting arrangements structure of components in urea pump.The mounting arrangements structure utilizes itself PCB circuit in pump without increasing part
Control panel realizes the connection of each module as carrier, and relative cost is low；Slotting both ends are fixed, electric appliance connection reliability is high；It is not necessarily to
Consider conducting wire fixation problem, installs simple and reliable.
In order to solve the above technical problems, the technical solution adopted in the utility model is: components in a kind of SCR urea pump
Mounting arrangements structure, which is characterized in that the mounting arrangements structure has the feature that
The mounting arrangements structure of components in a kind of SCR urea pump, which is characterized in that the mounting arrangements structure includes electricity
Device, electrical part, PCB circuit control panel and installation base body wherein have free terminal, PCB circuit control on electric appliance and electrical part
With the terminal that can cooperate with free terminal on plate.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that the electric appliance and electrical part
For sensor or actuator, number is one or more.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that the electric appliance and electrical part
The number of upper terminal is two or more.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that the PCB circuit control
The number of plate upper terminal is free number of terminals purpose summation on electric appliance and electrical part.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that the electric appliance passes through long spiral shell
Bolt is fixed in installation base body, and by included free terminal and the terminal that is welded on PCB circuit control panel to being inserted in one
It rises.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that the PCB circuit control
Plate is fixed in installation base body by lag bolt.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that the electrical part passes through certainly
The free terminal of band and the terminal that is welded on PCB circuit control panel are to being plugged together.
The mounting arrangements structure of components in a kind of above-mentioned SCR urea pump, which is characterized in that in the PCB circuit control
It is provided with circuit in making sheet, realizes the connection and control of electrical part.
Compared with the prior art, the utility model has the following advantages:
1, it without increasing part, uses the PCB circuit control panel inherently needed in pump as carrier, realizes the connection of each module
Logical, relative cost is low；
2, slotting both ends are fixed, electric appliance connection reliability is high；
3, it without considering conducting wire fixation problem, installs simple and reliable.
The technical solution of the utility model is described in further detail below by drawings and examples.
Detailed description of the invention
Fig. 1 is the utility model electronic product mounting arrangements structural schematic diagram.
Fig. 2 is mounting arrangements structural schematic diagram in 1 urea pump of the utility model embodiment.
Detailed description of the invention: 1. electric appliances；2. electrical part；3. free terminal；4. terminal；5. PCB circuit control panel；6. short spiral shell
Bolt；7. installation base body；8. stay bolt；9. the urea pump pump housing；10. electromagnetic pump；11. pressure sensor；12. diaphragm pump；
13. main connector；14. motor；15. conducting wire；16. pair socket, connector.
Specific embodiment
Embodiment 1
The mounting arrangements structure of components in a kind of SCR urea pump, including electric appliance 1, electrical part 2, PCB circuit control panel 5
With installation base body 7, free terminal 3 wherein is had on electric appliance 1 and electrical part 2, having on PCB circuit control panel 5 can be with freedom
The terminal 4 that terminal 3 cooperates.
The electric appliance 1 is electromagnetic pump 10, and number is one, and the number of free terminal is two on electromagnetic pump 10.
The electrical part 2 is pressure sensor 11, and number is one, and the number of free terminal is three on pressure sensor 11
It is a.
The number of the PCB circuit control panel upper terminal 4 is five.
Fig. 2 is mounting arrangements structural schematic diagram in 1 urea pump of the utility model embodiment.Mounting arrangements structure includes urea
The pump housing 9, electromagnetic pump 10, pressure sensor 11, motor-driven diaphragm pump 12, PCB circuit control panel 5 are pumped, all components are logical
It crosses bolt to be fixed on the urea pump pump housing 9, electromagnetic pump 10, pressure sensor 11 pass through itself terminal and PCB circuit control
Terminal on plate 5 is to slotting.Wherein motor 14 draws shorter conducting wire 15, by socket, connector 16 and PCB circuit control panel 5 into
Row connection, the main connector 13 of external connection are directly welded on PCB circuit control panel 5 also by leading-out terminal, PCB circuit control
Making sheet 5 has the connection circuit of 14 control circuit of motor and electromagnetic pump 10 and pressure sensor 11 and main connector 13, this connection
The product of structure has passed through the vibration test of simulation vehicle.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model.All
According to the utility model in essence any simple modification, change and equivalence change to the above embodiments, this reality is still fallen within
In protection scope with new technique scheme.
Claims (8)
1. the mounting arrangements structure of components in a kind of SCR urea pump, which is characterized in that the mounting arrangements structure includes electric appliance
(1), electrical part (2), PCB circuit control panel (5) and installation base body (7) wherein have freely on electric appliance (1) and electrical part (2)
Terminal (3), with the terminal (4) that can cooperate with free terminal (3) on PCB circuit control panel (5).
2. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that described
Electric appliance (1) and electrical part (2) are sensor or actuator, and number is one or more.
3. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that described
The number of free terminal is two or more on electric appliance (1) and electrical part (2).
4. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that described
The number of PCB circuit control panel upper terminal (4) is the summation of free terminal (3) number on electric appliance (1) and electrical part (2).
5. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that described
Electric appliance (1) is fixed on installation base body (7) by stay bolt (8), and by included free terminal (3) and is welded on PCB electricity
Terminal (4) on the control panel of road is to being plugged together.
6. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that described
PCB circuit control panel (5) is fixed on installation base body (7) by lag bolt (6).
7. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that described
Electrical part (2) is by included free terminal (3) and the terminal (4) that is welded on PCB circuit control panel (5) to being plugged together.
8. the mounting arrangements structure of components in a kind of SCR urea pump according to claim 1, which is characterized in that in institute
It states and is provided with circuit on PCB circuit control panel (5), realize the connection and control of electrical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821043651.9U CN208396785U (en) | 2018-07-03 | 2018-07-03 | The mounting arrangements structure of components in a kind of SCR urea pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821043651.9U CN208396785U (en) | 2018-07-03 | 2018-07-03 | The mounting arrangements structure of components in a kind of SCR urea pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396785U true CN208396785U (en) | 2019-01-18 |
Family
ID=65130763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821043651.9U Active CN208396785U (en) | 2018-07-03 | 2018-07-03 | The mounting arrangements structure of components in a kind of SCR urea pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396785U (en) |
-
2018
- 2018-07-03 CN CN201821043651.9U patent/CN208396785U/en active Active
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