CN204439095U - For the position transducer of EGR valve - Google Patents

For the position transducer of EGR valve Download PDF

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Publication number
CN204439095U
CN204439095U CN201520075285.5U CN201520075285U CN204439095U CN 204439095 U CN204439095 U CN 204439095U CN 201520075285 U CN201520075285 U CN 201520075285U CN 204439095 U CN204439095 U CN 204439095U
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China
Prior art keywords
sensor
contact pin
printed board
plug
sensor body
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Application number
CN201520075285.5U
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Chinese (zh)
Inventor
邵志腾
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JIANGSU KAILONG BAODUN POWER TECHNOLOGY Co Ltd
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JIANGSU KAILONG BAODUN POWER TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of position transducer for EGR valve, belong to a kind of sensor construction, comprise sensor body, the outside of described sensor body is provided with PCB printed board, described PCB printed board is provided with sensor assembly, inductance element, capacity cell and sensor plug be mutually electrically connected; Described sensor plug is connected with the sensor contact pin being placed in sensor body inside, and described sensor contact pin extends to the outside of sensor body; Many complicated metallic conductor braces are replaced by PCB printed board, sensor assembly plug and electrical equipment are directly welded in PCB printed board, by the circuit turn-on in PCB printed board, need when eliminating injection moulding the fixing problem of many plain conductors, and pcb board is placed on the external impact that it also avoid high temperature that injection moulding is and scolding tin on pcb board and components and parts are produced; Each plug and electrical equipment are directly welded in PCB printed board, ensure that the reliability of Signal transmissions.

Description

For the position transducer of EGR valve
Technical field
The utility model relates to a kind of sensor construction, and in particular, the utility model relates generally to a kind of position transducer for EGR valve.
Background technology
At present, EGR(exhaust gas recirculatioon Exhaust Gas Recirculation) not only there is non-contact position sensor module in position transducer enclosing cover on valve, also have the plug that DC motor is connected with control unit of engine.Sensor outer housing is plastic material, plug is connected with all electrical equipments such as sensor assembly, electric capacity and inductance, direct current generator etc. and many metal connecting sheets and is all injection-moulded in shell, this structure sensor module, electric capacity and all electrical equipments such as inductance, direct current generator and many metal connecting sheet positions in injection moulding process are easily out of shape, injection mold is very complicated, costly.Thus be necessary do further research for EGR valve position transducer structure and improve.
Utility model content
One of the purpose of this utility model is for above-mentioned deficiency, provides a kind of position transducer for EGR valve, to expect that the electric elements solved in prior art in sensor body fix the technical matterss such as inconvenient, not yielding, injection moulding difficulty is large.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
A kind of position transducer for EGR valve provided by the utility model, comprise sensor body, the outside of described sensor body is provided with PCB printed board, described PCB printed board is provided with sensor assembly, inductance element, capacity cell and sensor plug, described sensor assembly, inductance element, capacity cell are electrically connected in PCB printed board mutually with sensor plug; Described sensor plug is connected with the sensor contact pin being placed in sensor body inside, and described sensor contact pin extends to the outside of sensor body; Described inductance element and capacity cell also export contact pin with the signal being placed in sensor body inside and ground connection contact pin is connected respectively, and described signal output contact pin and ground connection contact pin all extend to the outside of sensor body.
As preferably, further technical scheme is: the outside of described sensor body is also provided with motor power contact pin and direct current generator plug, and described direct current generator plug access motor power contact pin, described motor power contact pin is also connected with sensor contact pin.
Further technical scheme is: described inductance element and capacity cell are also connected with ground connection contact pin, described ground connection contact pin and signal export contact pin and are arranged side by side in the outside of sensor body, and described motor power contact pin and sensor contact pin are also arranged side by side in the outside of sensor body.
Compared with prior art, one of the beneficial effects of the utility model are: replace many complicated metallic conductor braces by PCB printed board, sensor assembly plug and electrical equipment are directly welded in PCB printed board, by the circuit turn-on in PCB printed board, need when eliminating injection moulding the fixing problem of many plain conductors, and pcb board is placed on the external impact that it also avoid high temperature that injection moulding is and scolding tin on pcb board and components and parts are produced, only sensor plug lead-in wire need be welded on PCB printed board location large to monoblock in PCB printed board, each plug and electrical equipment are directly welded in PCB printed board, ensure that the reliability of Signal transmissions, a kind of position transducer structure for EGR valve provided by the utility model is simple simultaneously, and be suitable for installing and using in the EGR valve of all kinds of specification, range of application is wide.
Accompanying drawing explanation
Fig. 1 is the structural representation for illustration of the utility model embodiment;
In figure, 1 be sensor assembly, 2 for sensor contact pin, 3 for PCB printed board, 4 for inductance element, 5 for capacity cell, 6 for sensor plug, 7 for direct current generator plug, 8 for motor power contact pin, 9 for ground connection contact pin, 10 for signal export contact pin, 11 be sensor body.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
Shown in figure 1, an embodiment of the present utility model is a kind of position transducer for EGR valve, comprise sensor body 11, PCB printed board 3 is fixed in the outside of sensor body 11, and sensor assembly 1, inductance element 4, capacity cell 5 and sensor plug 6 are installed in PCB printed board 3, according to usual manner printed circuit board being installed electric elements, each element aforesaid preferably adopts tin welding to be fixed; And aforesaid sensor assembly 1, inductance element 4, capacity cell 5 are electrically connected in PCB printed board 3 mutually with sensor plug 6, carry out signals collecting and the conventional func of transmission to meet sensor; What is more important, aforesaid sensor plug 6 also needs to be connected with the sensor contact pin 2 being placed in sensor body 11 inside, and this sensor contact pin 2 then needs the outside extending to sensor body 11; Same, inductance element 4 and capacity cell 5 also need to export contact pin 10 with the signal being placed in sensor body 11 inside and ground connection contact pin 9 is connected respectively, and aforesaid signal exports contact pin 10 and ground connection contact pin 9 all needs the outside extending to sensor body 11.
Again in the present embodiment, many complicated metallic conductor braces are replaced by PCB printed board, sensor assembly plug and electrical equipment are directly welded in PCB printed board, by the circuit turn-on in PCB printed board, need when eliminating injection moulding the fixing problem of many plain conductors, and pcb board is placed on the external impact that it also avoid high temperature that injection moulding is and scolding tin on pcb board and components and parts are produced, only sensor plug lead-in wire need be welded on PCB printed board location large to monoblock in PCB printed board; Each plug and electrical equipment are directly welded in PCB printed board, ensure that the reliability of Signal transmissions.
On the other hand, go out as shown in Figure 1, for ease of make sensor can with direct current generator with the use of, inventor also improves the structure of the sensor, optimize the plant-grid connection mode of sensor assembly simultaneously, be specially and set up motor power contact pin 8 and direct current generator plug 7 in the outside of sensor body 11, and direct current generator plug 7 is accessed motor power contact pin 8, and motor power contact pin 8 is also connected with sensor contact pin 2.The external direct current generator of direct current generator plug 7, so just can be powered to direct current generator by motor power contact pin 8.Sensor assembly contact pin 2 is connected to sensor plug 6 by wiring through body, and sensor plug 6 and sensor assembly 1 are all welded on PCB printed circuit board, so just can provide operating voltage by sensor assembly contact pin 2 to sensor.
Further, for ensureing the security of sensor, optimize the layout setting of sensor body 11 outside simultaneously, above-mentioned inductance element 4 and capacity cell 5 also can be connected with ground connection contact pin 9, and ground connection contact pin 9 and signal export contact pin 10 is arranged side by side in the outside of sensor body 11, and described motor power contact pin 8 and sensor contact pin 2 are also arranged side by side in the outside of sensor body 11.Be embedded in this by PCB printed board 3 to be externally connected with body by sensor plug, ensure that the high temperature that body produces when injection moulding can not cause damage to the components and parts on pcb board.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also drop in scope of the present utility model to realize this feature, structure or feature in conjunction with other embodiments.
Although be described the utility model with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.

Claims (3)

1. the position transducer for EGR valve, comprise sensor body (11), it is characterized in that: the outside of described sensor body (11) is provided with PCB printed board (3), described PCB printed board (3) is provided with sensor assembly (1), inductance element (4), capacity cell (5) and sensor plug (6), described sensor assembly (1), inductance element (4), capacity cell (5) are electrically connected in PCB printed board (3) mutually with sensor plug (6); The sensor contact pin (2) that described sensor plug (6) is inner with being placed in sensor body (11) is connected, and described sensor contact pin (2) extends to the outside of sensor body (11); Described inductance element (4) and capacity cell (5) also export contact pin (10) with the signal being placed in sensor body (11) inside and ground connection contact pin (9) is connected respectively, and described signal output contact pin (10) and ground connection contact pin (9) all extend to the outside of sensor body (11).
2. the position transducer for EGR valve according to claim 1, it is characterized in that: the outside of described sensor body (11) is also provided with motor power contact pin (8) and direct current generator plug (7), described direct current generator plug (7) access motor power contact pin (8), described motor power contact pin (8) is also connected with sensor contact pin (2).
3. the position transducer for EGR valve according to claim 2, it is characterized in that: described inductance element (4) and capacity cell (5) are also connected with ground connection contact pin (9), described ground connection contact pin (9) and signal export contact pin (10) and are arranged side by side in the outside of sensor body (11), and described motor power contact pin (8) and sensor contact pin (2) are also arranged side by side in the outside of sensor body (11).
CN201520075285.5U 2015-02-03 2015-02-03 For the position transducer of EGR valve Active CN204439095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520075285.5U CN204439095U (en) 2015-02-03 2015-02-03 For the position transducer of EGR valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520075285.5U CN204439095U (en) 2015-02-03 2015-02-03 For the position transducer of EGR valve

Publications (1)

Publication Number Publication Date
CN204439095U true CN204439095U (en) 2015-07-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520075285.5U Active CN204439095U (en) 2015-02-03 2015-02-03 For the position transducer of EGR valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020082428A1 (en) * 2018-10-26 2020-04-30 扬州市实达塑业有限公司 Egr valve sensor cover plate injection molding process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020082428A1 (en) * 2018-10-26 2020-04-30 扬州市实达塑业有限公司 Egr valve sensor cover plate injection molding process

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