CN206459700U - Diesel engine admission pressure temperature sensor - Google Patents
Diesel engine admission pressure temperature sensor Download PDFInfo
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- CN206459700U CN206459700U CN201720009095.2U CN201720009095U CN206459700U CN 206459700 U CN206459700 U CN 206459700U CN 201720009095 U CN201720009095 U CN 201720009095U CN 206459700 U CN206459700 U CN 206459700U
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- detecting means
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- diesel engine
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Abstract
The utility model discloses a kind of Diesel engine admission pressure temperature sensor, it includes housing, chip temperature, pressure chip, signal condition chip and circuit board, described housing includes main part, interface portion and detecting means, main part, interface portion and detecting means are integrally formed, detecting means are arranged on the lower section of main part, detecting means are tubulose, circuit board is arranged in main part, the through hole of detecting means and the lower surface of circuit board are just right, pressure chip and signal condition chip be connected to below circuit board on plate and with the through holes of detecting means just to position, chip temperature is arranged in the through hole of detecting means, chip temperature is electrically connected by probe with circuit board, described interface portion is arranged on the side of main part, provided with four contact pins in interface portion, four contact pins are electrically connected with circuit board respectively.Diesel engine admission pressure temperature sensor of the present utility model can detection temperature and pressure, and the testing result degree of accuracy is higher simultaneously.
Description
Technical field
The utility model is related to field of mechanical technique, particularly a kind of Diesel engine admission pressure temperature sensor.
Background technology
In the prior art, Diesel engine admission pressure temperature sensor is used for the admission pressure and temperature for detecting inlet manifold
Degree, and voltage signal is converted thereof into, the electronic control unit ECU, ECU for being sent to automobile engine are turned by automobile engine
The pressure value of speed and inlet manifold, calculating obtains air inflow, according to how much control distributive values of air inflow, makes in cylinder
Gasoline and air accurately matched by optimal air-fuel ratio.In the prior art, the diesel oil of Patent No. 201510116062.3
Sensor disclosed in engine charge pressure temperature sensor, employs pressure chip and thermistor, pressure chip and heat
Quick resistance is all directly anchored on circuit board, air inlet is provided with below circuit board, because thermistor and pressure chip are with entering
Gas port is distant, therefore, and testing result has deviation, and precision is relatively low, it is therefore desirable to make improvements.
The content of the invention
The purpose of this utility model is for the Diesel engine air inlet pressure of the prior art described in background technology
There is provided a kind of Diesel engine admission pressure temperature that can solve the problem that foregoing problems for the low problem of power temperature sensor accuracy of detection
Sensor.
It can realize that the technical scheme of goal of the invention of the present utility model is as follows：
A kind of Diesel engine admission pressure temperature sensor, it includes housing, chip temperature, pressure chip, signal and adjusted
Chip and circuit board are managed, described housing includes main part, interface portion and detecting means, main part, interface portion and detecting means one
Shaping, detecting means are arranged on the lower section of main part, and detecting means are tubulose, and circuit board is arranged in main part, the through hole of detecting means
Lower surface with circuit board is just right, pressure chip and signal condition chip be connected to below circuit board on plate and with detecting means
Through hole just to position, chip temperature is arranged in the through hole of detecting means, and chip temperature is electrically connected by probe with circuit board, institute
The interface portion stated is arranged on provided with four contact pins in the side of main part, interface portion, and four contact pins are electrically connected with circuit board respectively.
In such scheme, fluid sealant is filled with described main part, circuit board is fixed by fluid sealant, main part
Top is provided with cover plate.
In such scheme, the top of described detecting means is cylindrical tube, and the bottoms of detecting means is caged, including several with
Skeleton and the annulus of bottom that certain taper is set, are provided with seal groove, seal groove on the middle part outer wall of detecting means provided with close
Seal.
In such scheme, mounting seat is additionally provided with described housing, mounting seat is integrally formed with main part, is set in mounting seat
There is pilot hole.
The advantage of Diesel engine admission pressure temperature sensor of the present utility model is：Diesel engine of the present utility model
Machine admission pressure temperature sensor can be while detection temperature and pressure, be visited moreover, the chip temperature of detection intake air temperature passes through
Pin is extended in detecting means, and close to air inlet, the testing result degree of accuracy is higher, and pressure chip and signal condition chip combination energy
It is enough that admission pressure is accurately detected, improve testing result precision.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present utility model；
Fig. 2 is internal structure schematic diagram of the present utility model；
In figure, 1 is housing, and 11 be main part, and 12 be interface portion, and 13 be detecting means, and 14 be mounting seat, and 2 be chip temperature,
3 be sealing ring, and 4 be pressure chip, and 5 be signal condition chip, and 6 be circuit board, and 7 be contact pin, and 8 be cover plate.
Embodiment
A kind of Diesel engine admission pressure temperature sensor as depicted in figs. 1 and 2, it includes housing 1, chip temperature
2nd, pressure chip 4, signal condition chip 5 and circuit board 6, described housing 1 include main part 11, interface portion 12 and detecting means
13, main part 11, interface portion 12 and detecting means 13 are integrally formed, and detecting means 13 are arranged on the lower section of main part 11, detecting means 13
For tubulose, circuit board 6 is arranged in main part 11, and the through hole of detecting means 11 and the lower surface of circuit board 6 are just right, pressure chip 4
Be connected to signal condition chip 5 below circuit board 6 on plate and with the through holes of detecting means 13 just to position, chip temperature 2
In the through hole for being arranged on detecting means 13, chip temperature 2 is electrically connected by probe 21 with circuit board 6, and described interface portion 12 is set
Provided with four contact pins 7 in the side of main part 11, interface portion 12, four contact pins 7 are electrically connected with circuit board 6 respectively.
In such scheme, fluid sealant is filled with described main part 11, circuit board 6 is fixed by fluid sealant, main body
The top in portion 11 is provided with cover plate 8.
In such scheme, the top of described detecting means 13 is cylindrical tube, and the bottoms of detecting means 13 is caged, including several
Skeleton and the annulus of bottom that root is set with certain taper, are provided with seal groove, seal groove on the middle part outer wall of detecting means and set
There is sealing ring 3.
In such scheme, mounting seat 14 is additionally provided with described housing, mounting seat 14 is integrally formed with main part 11, installed
Seat 14 is provided with pilot hole.
Diesel engine admission pressure temperature sensor of the present utility model by mounting seat 14 in use, fixed, by shell
Detecting means 13 on body 1 are connected with inlet manifold, and interface portion 12 is connected with ECU devices, and inlet manifold can be detected simultaneously
Intake air temperature and pressure.Diesel engine admission pressure temperature sensor of the present utility model can be while detection temperature and pressure
Power, moreover, the chip temperature of detection intake air temperature is extended in detecting means by probe, close to air inlet, testing result is accurate
Du Genggao, and pressure chip and signal condition chip combine and admission pressure accurately can be detected, make testing result essence
Degree is improved.
Above example is the explanation to embodiment of the present utility model, rather than to limitation of the present utility model,
Person skilled in the relevant technique can also make various changes in the case where not departing from spirit and scope of the present utility model
Change and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into this practicality newly
The scope of patent protection of type.
Claims (4)
1. a kind of Diesel engine admission pressure temperature sensor, it is characterised in that：It includes housing, chip temperature, pressure core
Piece, signal condition chip and circuit board, described housing include main part, interface portion and detecting means, main part, interface portion and biography
Sense portion is integrally formed, and detecting means are arranged on the lower section of main part, and detecting means are tubulose, and circuit board is arranged in main part, sensing
The through hole in portion and the lower surface of circuit board are just right, pressure chip and signal condition chip be connected to below circuit board on plate and with
The through hole of detecting means just to position, chip temperature is arranged in the through hole of detecting means, and chip temperature passes through probe and circuit board
Electrical connection, described interface portion is arranged on the side of main part, provided with four contact pins in interface portion, four contact pins respectively with circuit
Plate is electrically connected.
2. Diesel engine admission pressure temperature sensor according to claim 1, it is characterised in that：Described main part
It is interior to be filled with fluid sealant, circuit board is fixed by fluid sealant, the top of main part is provided with cover plate.
3. Diesel engine admission pressure temperature sensor according to claim 1, it is characterised in that：Described detecting means
Top be cylindrical tube, the bottoms of detecting means is caged, including several skeletons set with certain taper and the annulus of bottom,
It is provided with the middle part outer wall of detecting means in seal groove, seal groove and is provided with sealing ring.
4. Diesel engine admission pressure temperature sensor according to claim 1, it is characterised in that：On described housing
Mounting seat is additionally provided with, mounting seat is integrally formed with main part, mounting seat is provided with pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720009095.2U CN206459700U (en) | 2017-01-05 | 2017-01-05 | Diesel engine admission pressure temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720009095.2U CN206459700U (en) | 2017-01-05 | 2017-01-05 | Diesel engine admission pressure temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459700U true CN206459700U (en) | 2017-09-01 |
Family
ID=59696854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720009095.2U Active CN206459700U (en) | 2017-01-05 | 2017-01-05 | Diesel engine admission pressure temperature sensor |
Country Status (1)
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| CN (1) | CN206459700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883488A (en) * | 2019-03-29 | 2019-06-14 | 武汉飞恩微电子有限公司 | A kind of air throttle three-in-one sensor device |
| CN112576418A (en) * | 2019-09-29 | 2021-03-30 | 广州汽车集团股份有限公司 | Engine system with EGR cylinder and engine control method |
-
2017
- 2017-01-05 CN CN201720009095.2U patent/CN206459700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883488A (en) * | 2019-03-29 | 2019-06-14 | 武汉飞恩微电子有限公司 | A kind of air throttle three-in-one sensor device |
| CN112576418A (en) * | 2019-09-29 | 2021-03-30 | 广州汽车集团股份有限公司 | Engine system with EGR cylinder and engine control method |
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