CN109506828A - A kind of pressure sensor apparatus detecting vehicle exhaust particle capture - Google Patents
A kind of pressure sensor apparatus detecting vehicle exhaust particle capture Download PDFInfo
- Publication number
- CN109506828A CN109506828A CN201811626691.0A CN201811626691A CN109506828A CN 109506828 A CN109506828 A CN 109506828A CN 201811626691 A CN201811626691 A CN 201811626691A CN 109506828 A CN109506828 A CN 109506828A
- Authority
- CN
- China
- Prior art keywords
- hole
- vehicle exhaust
- pressure sensor
- exhaust particle
- sensor apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L15/00—Devices or apparatus for measuring two or more fluid pressure values simultaneously
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0038—Fluidic connecting means being part of the housing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0061—Electrical connection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/142—Multiple part housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/148—Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture, the pressure sensor apparatus includes shell, steel ball, waterproof ventilated membrane and core and upper cover, the shell includes cavity, electrical connection connector, the first gas nozzle, the second gas nozzle and positioning device, first through hole and the second through-hole are offered in cavity, the bottom of the equal and core of first through hole and the second through-hole is connected, the corrosion-and high-temp-resistant glue bonding that chip passes through.The present invention relates to pressure sensor technique fields, the sensor device belongs to the pressure sensor apparatus of detection vehicle exhaust particle capture, the fluid pressure value for detecting vehicle exhaust particle trap both ends respectively can be achieved, it substantially increases sensor used in system accurately and is conducive to automobile ECU and determine, it is very beneficial to the use of the measurement to vehicle exhaust particle, while reducing the risk of sensor failure, structure is simple, it is easy for installation, it is specifically applied to vehicle exhaust particle capture system.
Description
Technical field
The present invention relates to pressure sensor technique field, specially a kind of pressure sensing for detecting vehicle exhaust particle capture
Device device.
Background technique
Pressure sensor is to experience pressure signal, and can be converted into pressure signal according to certain rule available defeated
The device or device of electric signal out, pressure sensor are usually made of pressure-sensing device and signal processing unit, by difference
Test pressure type, pressure sensor can be divided into gauge pressure transducer, differential pressure pick-up and absolute pressure sensor, and pressure sensor is
The most commonly used a kind of sensor in industrial practice is widely used in various industrial automatic control environment, is related to water conservancy and hydropower, railway
Numerous industries such as traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, pipeline,
Pressure sensor conveniently also has application in vehicle maintenance service, during to vehicle exhaust particle capture, needs to detect capture
The case where particle, it is therefore desirable to applying pressure sensor.
In vehicle exhaust particle capture system, the test object to the system includes vehicle exhaust pressure value, although passing
Sensor technology is improved day by day, but the system can not detect the fluid pressure value at vehicle exhaust particle trap both ends respectively, i.e.,
Prevent sensor used in the system is unfavorable for its measurement in this way and uses, together from the accurate, measurement of the profession system pressure
When increase the risk of sensor failure, the present invention considers system-operating environment, and shell uses corrosion-and high-temp-resistant material, should
Invention pressure sensor structure is simple, easy for installation, is specifically applied to vehicle exhaust particle capture system.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of pressure sensor dresses for detecting vehicle exhaust particle capture
It sets, the fluid pressure value at vehicle exhaust particle trap both ends cannot be detected respectively by solving existing pressure sensor, even if
Sensor used in the system cannot the accurate, measurement of the profession system pressure, be unfavorable for its measurement in this way and use, simultaneously
The problem of increasing sensor failure risk.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of detection vehicle exhaust particle is caught
The pressure sensor apparatus caught, the pressure sensor apparatus include shell, steel ball, waterproof ventilated membrane, core and upper cover, described
Shell includes cavity, electrical connection connector, the first gas nozzle, the second gas nozzle and positioning device, and it is logical to offer first in the cavity
Hole and the second through-hole, and the corrosion-and high-temp-resistant glue that the bottom of the upper surface and core of first through hole and the second through-hole passes through
Bonding, the core includes circuit substrate, two sensor chips and protection framework, and circuit substrate passes through with framework is protected
Corrosion-and high-temp-resistant glue bonding, the circuit substrate pass through conducting wire respectively and connect with two sensor chips, and two biographies
Pressure cell and processing element are integrated on sensor chip respectively, opens up that there are two through-holes, and two through-holes on the circuit substrate
It is connected to respectively with two sensor chips, first gas nozzle is communicated by reverse buckling type structure with first through hole, and the second gas nozzle
It is communicated by reverse buckling type structure with the second through-hole, hole is offered in the upper cover, and upper Gai Shangyu waterproof ventilated membrane is bonded, it is described
It is connected between shell and electrical connection connector by conductor wire, one end of the circuit substrate is connect by connector and electrical connection
It is connected between head.
It preferably, further include dust cap, the bottom of the dust cap and the top of upper cover are connected by back-off structure, and outer
The material of shell, upper cover and dust cap is corrosion-and high-temp-resistant material.
It preferably, further include lower cover, the bottom of dust cap and the top of upper cover are connected by back-off structure, and the top of lower cover
Portion is fixedly connected with the bottom of shell.
Preferably, the first through hole and the second through-hole are divided into no baffle arrangement, slanting baffle structure or lagging structure.
Preferably, the material of the circuit substrate is one of ceramic wafer, aluminum substrate or pcb board, and protects framework material
Matter is ceramic one of framework or plastic frame body.
Preferably, one end of the circuit substrate between connector and electrical connection connector by connecting.(increasing this section)
Preferably, the connector is to be bonded aluminium wire (90), welding lead (91) or weld any one in contact pin (92)
Kind
Preferably, the sensor chip (42) is in longitudinal layout or landscape layout in the distribution mode of core (40)
Any one.
Preferably, venthole is offered on the upper cover (30), and venthole is sealed using 316L steel ball (60)
(3) beneficial effect
The present invention provides a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture.Have compared with prior art
It is standby following the utility model has the advantages that the detection vehicle exhaust particle capture pressure sensor apparatus, by include shell, it is steel ball, anti-
Water ventilated membrane and core and upper cover, and shell includes cavity, is electrically connected connector, the first gas nozzle, the second gas nozzle and positioning device,
Offer first through hole and the second through-hole in cavity, and the bottom of the upper surface and core of first through hole and the second through-hole passes through
Corrosion-and high-temp-resistant glue bonding, core include circuit substrate, two sensor chips and protection framework, and circuit substrate with
The corrosion-and high-temp-resistant glue bonding that protection framework passes through, circuit substrate passes through conducting wire respectively and two sensor chips connect
It connects, and two sensor core on pieces integrate pressure cell and processing element respectively, is opened up on circuit substrate there are two through-hole, and two
A through-hole is connected to two sensor chips respectively, and the first gas nozzle is communicated by reverse buckling type structure with first through hole, and the second gas
Mouth is communicated by reverse buckling type structure with the second through-hole, through-hole is offered in upper cover, and the waterproof ventilated membrane of upper Gai Shangyu material is viscous
It connects, is connected between shell and electrical connection connector by conductor wire, one end of the circuit substrate 41 is by connector and electrically
Between jointing 22 connection, it can be achieved that respectively detect vehicle exhaust particle trap both ends fluid pressure value, greatly improve
Sensor used in system is accurate, the measurement of the profession system pressure, is very beneficial to make the measurement of vehicle exhaust particle
With, while the risk of sensor failure is reduced, the present invention considers system-operating environment, and shell uses corrosion-and high-temp-resistant material
Material, structure is simple, easy for installation, is specifically applied to vehicle exhaust particle capture system.
Detailed description of the invention
Fig. 1 is the broken away view of structure of the invention；
Fig. 2 is the side view of structure of the invention；
Fig. 3 is the top view of structure of the invention；
Fig. 4 is the structural schematic diagram of shell of the present invention；
Fig. 5 is the positive cross-sectional view of pressure sensor of the present invention；
Fig. 6 is the structural schematic diagram of inventive sensor chip and conducting wire；
Fig. 7 is the cross-sectional view of upper cover of the present invention and dust-proof cap structure；
Fig. 8 is the structural schematic diagram of upper cover of the present invention and dust cap；
Fig. 9 installs and uses figure for pressure sensor apparatus of the present invention；
Figure 10 is the structural representation that 1 circuit substrate of the embodiment of the present invention uses welding lead to connect with electrical connection connector
Figure；
Figure 11 is 1 circuit substrate of the embodiment of the present invention and is electrically connected connector using the vertical view of welding lead connection structure
Figure；
Figure 12 is the structural representation that 2 circuit substrate of the embodiment of the present invention is connected with electrical connection connector using aluminium wire is bonded
Figure；
Figure 13 is that 2 circuit substrate of the embodiment of the present invention uses the vertical view for being bonded aluminium wire connection structure with electrical connection connector
Figure；
Figure 14 is the structural representation that 3 circuit substrate of the embodiment of the present invention is connect with electrical connection connector using welding contact pin
Figure；
Figure 15 is 3 circuit substrate of the embodiment of the present invention and is electrically connected connector using the vertical view of welding contact pin connection structure
Figure；
Figure 16 is the structural schematic diagram of 1 housing form of the embodiment of the present invention；
Figure 17 is the structural schematic diagram of 2 housing form of the embodiment of the present invention；
Figure 18 is the structural schematic diagram of 3 housing form of the embodiment of the present invention；
Figure 19 is the structural schematic diagram of the housing form of the invention containing lower cover.
In figure, 10 lower covers, 20 shells, 21 cavitys, 22 electrical connection connectors, 23 first gas nozzles, 24 second gas nozzles, 25 positioning
Device, 27 first through hole, 28 second through-holes, 30 upper covers, 40 cores, 41 circuit substrates, 42 sensor chips, 43 protection frameworks,
44 through-holes, 50 dust caps, 60 steel balls, 70 waterproof ventilated membranes, 80 conducting wires, 90 bonding aluminium wires, 91 welding leads, 92 welding contact pins.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-19 is please referred to, the embodiment of the present invention provides three kinds of technical solutions:
Embodiment 1
A kind of pressure sensor apparatus detecting vehicle exhaust particle capture, pressure sensor apparatus includes shell 20, steel
Pearl 60, waterproof ventilated membrane 70, core 40, upper cover 30 and dust cap 50 component carry out assembling use, and 27 He of first through hole
Second through-hole 28 is using no baffle arrangement form, and one end of circuit substrate 41 between connector and electrical connection connector 22 by connecting
It connects, circuit substrate 21 is passed through using aluminium wire connection, circuit substrate 21 is bonded with electrical connection connector 22 with electrical connection connector 22
Be bonded aluminium wire 90 connect, sensor chip 42 on core 40 by the way of being longitudinally laid out, the bottom of dust cap 50 and upper cover
30 top is connected by back-off structure, and the material of shell 20, upper cover 30 and dust cap 50 is corrosion-and high-temp-resistant material
Matter, shell 20 include cavity 21, electrical connection connector 22, the first gas nozzle 23, the second gas nozzle 24 and positioning device 25, in cavity 21
First through hole 27 and the second through-hole 28 are offered, and the upper surface of first through hole 27 and the second through-hole 28 and the bottom of core 40 are logical
The corrosion-and high-temp-resistant glue bonding crossed, core 40 include 41, two sensor chips 42 of circuit substrate and protection framework 43,
And circuit substrate 41 is Nian Jie with the corrosion-and high-temp-resistant glue that protection framework 43 passes through, circuit substrate 41 passes through conducting wire 80 respectively
It is connect with two sensor chips 42, and integrates pressure cell and processing element, circuit base on two sensor chips 42 respectively
Through-hole 44 there are two being opened up on plate 41, and two through-holes 44 are connected to two sensor chips 42 respectively, the first gas nozzle 23 passes through
Reverse buckling type structure is communicated with first through hole 27, and the second gas nozzle 24 is communicated by reverse buckling type structure with the second through-hole 28, upper cover 30
Hole is inside offered, and Nian Jie with the waterproof ventilated membrane of material 70 in upper cover 30, passed through between shell 20 and electrical connection connector 22
Conductor wire connection, the material of circuit substrate 21 is one of ceramic wafer, aluminum substrate and pcb board, and protection 23 material of framework is
One of ceramic framework and plastic frame body offer venthole in upper cover 30, and venthole is sealed using 316L steel ball 60,
It 9 is installed and used with reference to the accompanying drawings, the first gas nozzle of pressure sensor 23 is made to connect vehicle exhaust particle trap gas by hose
Pressure side mouth P1, for detecting the pressure value of air pressure port P1, the second gas nozzle of pressure sensor 24 connects vehicle exhaust by hose
Particle trap air pressure port P2 for detecting the pressure value of air pressure port P2, while using chip 1 for integrated chip, integrates
Pressure elements and processing element are connected to the first gas nozzle of pressure sensor 23 by cavity 21, catch for detecting vehicle exhaust particle
Device pressure port P1 pressure value is caught, chip 2 is integrated chip, integrated pressure element and processing element, is connected to and presses by cavity 21
The second gas nozzle of force snesor 24, for detecting vehicle exhaust particle trap pressure port P2 pressure value.
Embodiment 2
A kind of pressure sensor apparatus detecting vehicle exhaust particle capture, pressure sensor apparatus includes shell 20, steel
Pearl 60, waterproof ventilated membrane 70, core 40, upper cover 30, dust cap 50 and lower cover component carry out assembling use, and first through hole
27 and second through-hole 28 use slanting baffle structure type, one end of circuit substrate 41 by connector and electrical connection connector 22 it
Between connect, circuit substrate 21 connect with electrical connection connector 22 using welding lead, circuit substrate 21 be electrically connected connector 22
Connected by welding lead 91, sensor chip 42 on core 40 by the way of being longitudinally laid out, the bottom of dust cap 50 with
The top of upper cover 30 is connected by back-off structure, and the top of lower cover is fixedly connected with the bottom of shell 20, and shell 20, upper cover 30
Material with dust cap 50 is corrosion-and high-temp-resistant material, and shell 20 includes cavity 21, electrical connection connector 22, the first gas
Mouth 23, the second gas nozzle 24 and positioning device 25 offer first through hole 27 and the second through-hole 28, and first through hole 27 in cavity 21
Nian Jie with the corrosion-and high-temp-resistant glue that the bottom of core 40 passes through with the upper surface of the second through-hole 28, core 40 includes circuit
41, two sensor chips 42 of substrate and protection framework 43, and the high temperature resistant corrosion resistant that circuit substrate 41 and protection framework 43 pass through
Corrosion glue bonding, circuit substrate 41 is connect by conducting wire 80 with two sensor chips 42 respectively, and two sensor chips
Pressure cell and processing element are integrated on 42 respectively, opens up that there are two through-holes 44 on circuit substrate 41, and two through-holes 44 are distinguished
It is connected to two sensor chips 42, the first gas nozzle 23 is communicated by reverse buckling type structure with first through hole 27, and the second gas nozzle 24
Communicated by reverse buckling type structure with the second through-hole 28, hole offered in upper cover 30, and in upper cover 30 with the waterproof ventilated membrane of material
70 bondings are connected between shell 20 and electrical connection connector 22 by conductor wire, and the material of circuit substrate 21 is ceramic wafer, aluminium base
One of plate and pcb board, and protecting 23 material of framework is ceramic one of framework and plastic frame body, is offered in upper cover 30
Venthole, and venthole is sealed using 316L steel ball 60,9 is installed and used with reference to the accompanying drawings, makes the first gas of pressure sensor
Mouth 23 connects vehicle exhaust particle trap air pressure port P1 by hose, for detecting the pressure value of air pressure port P1, pressure
The second gas nozzle of sensor 24 connects vehicle exhaust particle trap air pressure port P2 by hose, for detecting air pressure port P2's
Pressure value, while using chip 1 for pressure chip, the first gas nozzle of pressure sensor 23 is connected to by cavity 21, for inputting vapour
Tail gas particle trap pressure port P1 pressure value, chip 2 are pressure chip, are connected to pressure sensor second by cavity 21
Gas nozzle 24, for inputting vehicle exhaust particle trap pressure port P2 pressure value, chip 3 is processing chip, respectively by leading
Line connects pressure chip 1 and pressure chip 2, is respectively used to test vehicle exhaust particle trap pressure port P1 pressure value and pressure
Power port P2 pressure value.
Embodiment 3
A kind of pressure sensor apparatus detecting vehicle exhaust particle capture, pressure sensor apparatus includes shell 20, steel
Pearl 60, waterproof ventilated membrane 70, core 40, upper cover 30, dust cap 50 and lower cover component carry out assembling use, and first through hole
27 and second through-hole 28 use lagging structure type, one end of circuit substrate 41 by connector and electrical connection connector 22 it
Between connect, circuit substrate 21 with electrical connection connector 22 using welding contact pin connect, circuit substrate 21 be electrically connected connector 22
By welding contact pin 92 connect, sensor chip 42 on core 40 using being longitudinally laid out by the way of, the bottom of dust cap 50 and
The top of upper cover 30 is connected by back-off structure, and the top of lower cover is fixedly connected with the bottom of shell 20, and shell 20, upper cover 30
Material with dust cap 50 is corrosion-and high-temp-resistant material, and shell 20 includes cavity 21, electrical connection connector 22, the first gas
Mouth 23, the second gas nozzle 24 and positioning device 25 offer first through hole 27 and the second through-hole 28, and first through hole 27 in cavity 21
Nian Jie with the corrosion-and high-temp-resistant glue that the bottom of core 40 passes through with the upper surface of the second through-hole 28, core 40 includes circuit
41, two sensor chips 42 of substrate and protection framework 43, and the high temperature resistant corrosion resistant that circuit substrate 41 and protection framework 43 pass through
Corrosion glue bonding, circuit substrate 41 is connect by conducting wire 80 with two sensor chips 42 respectively, and two sensor chips
Pressure cell and processing element are integrated on 42 respectively, opens up that there are two through-holes 44 on circuit substrate 41, and two through-holes 44 are distinguished
It is connected to two sensor chips 42, the first gas nozzle 23 is communicated by reverse buckling type structure with first through hole 27, and the second gas nozzle 24
Communicated by reverse buckling type structure with the second through-hole 28, hole offered in upper cover 30, and in upper cover 30 with the waterproof ventilated membrane of material
70 bondings are connected between shell 20 and electrical connection connector 22 by conductor wire, and the material of circuit substrate 21 is ceramic wafer, aluminium base
One of plate and pcb board, and protecting 23 material of framework is ceramic one of framework and plastic frame body, is offered in upper cover 30
Venthole, and venthole is sealed using 316L steel ball 60,9 is installed and used with reference to the accompanying drawings, makes the first gas of pressure sensor
Mouth 23 connects vehicle exhaust particle trap air pressure port P1 by hose, for detecting the pressure value of air pressure port P1, pressure
The second gas nozzle of sensor 24 connects vehicle exhaust particle trap air pressure port P2 by hose, for detecting air pressure port P2's
Pressure value, while using chip 1 for pressure chip, the first gas nozzle of pressure sensor 23 is connected to by cavity 21, for inputting vapour
Tail gas particle trap pressure port P1 pressure value, chip 2 are pressure chip, are connected to pressure sensor second by cavity 21
Gas nozzle 24, for inputting vehicle exhaust particle trap pressure port P2 pressure value, chip 3 is processing chip, by conducting wire with
Pressure chip 1 is connected to, and for testing vehicle exhaust particle trap pressure port P1 pressure value, chip 4 is processing chip, is passed through
Conducting wire is connected to pressure chip 2, for testing vehicle exhaust particle trap pressure port P2 pressure value.
Connection type is divided into three kinds of situations between circuit substrate 41 and electrical connection connector 22:
Mode one, bonding aluminium wire connection, circuit substrate 21 are connected with electrical connection connector 22 by being bonded aluminium wire 90；
Mode two, welding lead connection, circuit substrate 21 are connect with electrical connection connector 22 by welding lead 91；
Mode three, welding contact pin connection, circuit substrate 21 are connect with electrical connection connector 22 by welding contact pin 92.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture, the pressure sensor apparatus includes shell
(20), steel ball (60), waterproof ventilated membrane (70), core (40), dust cap (50) and upper cover (30), the shell (20) includes chamber
Body (21), electrical connection connector (22), the first gas nozzle (23), the second gas nozzle (24) and positioning device (25), the cavity (21)
Inside offer first through hole (27) and the second through-hole (28), and the upper surface and core of first through hole (27) and the second through-hole (28)
(40) the corrosion-and high-temp-resistant glue bonding that bottom passes through, it is characterised in that: the core (40) includes circuit substrate
(41), two sensor chips (42) and protection framework (43), and the resistance to height that circuit substrate (41) and protection framework (43) pass through
Warm corrosion resistance glue bonding, the circuit substrate (41) are connect by conducting wire (80) with two sensor chips (42) respectively,
And pressure cell and processing element are integrated on two sensor chips (42) respectively, opened up on the circuit substrate (41) there are two
Through-hole (44), and two through-holes (44) are connected to two sensor chips (42) respectively, first gas nozzle (23) passes through back-off
Formula structure is communicated with first through hole (27), and the second gas nozzle (24) is communicated by reverse buckling type structure with the second through-hole (28), described
Hole is offered in upper cover (30), and Nian Jie with waterproof ventilated membrane (70) in upper cover (30), the shell (20) connects with electrical connection
Connected between head (22) by conductor wire, one end of the circuit substrate (41) by connector be electrically connected connector (22) it
Between connect.
2. a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture according to claim 1, it is characterised in that:
It further include dust cap (50), the bottom of the dust cap (50) is connect with the top of upper cover (30) by back-off structure, and shell
(20), upper cover (30) and the material of dust cap (50) are corrosion-and high-temp-resistant material.
3. a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture according to claim 1 or 2, feature exist
In: it further include lower cover (10), the bottom of dust cap (50) is connect with the top of upper cover (30) by back-off structure, and the top of lower cover
Portion is fixedly connected with the bottom of shell (20).
4. a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture according to claim 1, it is characterised in that:
The first through hole (27) and the second through-hole (28) are divided into no baffle arrangement, slanting baffle structure or lagging structure.
5. a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture according to claim 1, it is characterised in that:
The material of the circuit substrate (41) is one of ceramic wafer, aluminum substrate or pcb board, and protecting framework (23) material is ceramics
One of framework or plastic frame body.
6. a kind of pressure sensor apparatus for detecting vehicle exhaust particle capture according to claim 1, it is characterised in that:
The connector is any one in bonding aluminium wire (90), welding lead (91) or welding contact pin (92).
7. a kind of pressure sensor apparatus of detection vehicle exhaust particle capture described in -2 any one according to claim 1,
It is characterized by: the sensor chip (42) is any in longitudinal layout or landscape layout in the distribution mode of core (40)
It is a kind of.
8. a kind of pressure sensor apparatus of detection vehicle exhaust particle capture described in -2 any one according to claim 1,
It is characterized by: offering venthole on the upper cover (30), and venthole is sealed using 316L steel ball (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626691.0A CN109506828A (en) | 2018-12-28 | 2018-12-28 | A kind of pressure sensor apparatus detecting vehicle exhaust particle capture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626691.0A CN109506828A (en) | 2018-12-28 | 2018-12-28 | A kind of pressure sensor apparatus detecting vehicle exhaust particle capture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506828A true CN109506828A (en) | 2019-03-22 |
Family
ID=65756734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811626691.0A Pending CN109506828A (en) | 2018-12-28 | 2018-12-28 | A kind of pressure sensor apparatus detecting vehicle exhaust particle capture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506828A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657913A (en) * | 2019-08-15 | 2020-01-07 | 武汉飞恩微电子有限公司 | Catch pressure sensor device for detecting automobile exhaust particles |
| CN111855072A (en) * | 2020-08-25 | 2020-10-30 | 武汉飞恩微电子有限公司 | Differential pressure sensor |
| CN112665776A (en) * | 2020-12-25 | 2021-04-16 | 黄山徽熿新能源科技有限公司 | Double-pressure sensor for new energy automobile braking system |
| CN112798178A (en) * | 2021-02-04 | 2021-05-14 | 武汉飞恩微电子有限公司 | Shell assembly for pressure sensor, pressure sensor and packaging method |
| CN113340520A (en) * | 2021-05-27 | 2021-09-03 | 凯晟动力技术（嘉兴）有限公司 | Self-processing type turbocharging integrated pipeline pressure sensor |
| CN114791447A (en) * | 2022-05-05 | 2022-07-26 | 杭州汇健科技有限公司 | Multi-channel gas sensor |
| CN115077785A (en) * | 2022-06-16 | 2022-09-20 | 深圳市汇泰科电子有限公司 | Independent air pressure air duct device applied to bicycle stopwatch and application method thereof |
| CN117091751A (en) * | 2023-10-17 | 2023-11-21 | 无锡芯感智半导体有限公司 | Novel pressure sensor packaging structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101910813A (en) * | 2008-01-15 | 2010-12-08 | 罗伯特·博世有限公司 | Pressure compensation unit |
| KR20120062363A (en) * | 2010-12-06 | 2012-06-14 | 현대자동차주식회사 | Pressure difrential sensor for lp-egr cooler |
| CN102914403A (en) * | 2011-08-01 | 2013-02-06 | 森萨塔科技公司 | Sensor system for differential pressure measurement |
| JP2014006139A (en) * | 2012-06-25 | 2014-01-16 | Hitachi Automotive Systems Ltd | Pressure sensor device |
| CN107076630A (en) * | 2014-09-03 | 2017-08-18 | 韩国株式会社科迈特 | Differential pressure pick-up |
| CN107615034A (en) * | 2015-05-28 | 2018-01-19 | 罗伯特·博世有限公司 | Method for the device of the pressure that senses fluid media (medium) and for manufacturing described device |
| CN107830965A (en) * | 2017-12-06 | 2018-03-23 | 武汉飞恩微电子有限公司 | A kind of automobile canister desorption system pressure sensor |
| CN108918019A (en) * | 2018-07-31 | 2018-11-30 | 苏州纳芯微电子股份有限公司 | A kind of differential pressure pickup for DPF exhaust treatment system |
| CN208223708U (en) * | 2018-05-31 | 2018-12-11 | 联合汽车电子有限公司 | Pressure sensor for vehicle |
-
2018
- 2018-12-28 CN CN201811626691.0A patent/CN109506828A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101910813A (en) * | 2008-01-15 | 2010-12-08 | 罗伯特·博世有限公司 | Pressure compensation unit |
| KR20120062363A (en) * | 2010-12-06 | 2012-06-14 | 현대자동차주식회사 | Pressure difrential sensor for lp-egr cooler |
| CN102914403A (en) * | 2011-08-01 | 2013-02-06 | 森萨塔科技公司 | Sensor system for differential pressure measurement |
| JP2014006139A (en) * | 2012-06-25 | 2014-01-16 | Hitachi Automotive Systems Ltd | Pressure sensor device |
| CN107076630A (en) * | 2014-09-03 | 2017-08-18 | 韩国株式会社科迈特 | Differential pressure pick-up |
| CN107615034A (en) * | 2015-05-28 | 2018-01-19 | 罗伯特·博世有限公司 | Method for the device of the pressure that senses fluid media (medium) and for manufacturing described device |
| CN107830965A (en) * | 2017-12-06 | 2018-03-23 | 武汉飞恩微电子有限公司 | A kind of automobile canister desorption system pressure sensor |
| CN208223708U (en) * | 2018-05-31 | 2018-12-11 | 联合汽车电子有限公司 | Pressure sensor for vehicle |
| CN108918019A (en) * | 2018-07-31 | 2018-11-30 | 苏州纳芯微电子股份有限公司 | A kind of differential pressure pickup for DPF exhaust treatment system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657913A (en) * | 2019-08-15 | 2020-01-07 | 武汉飞恩微电子有限公司 | Catch pressure sensor device for detecting automobile exhaust particles |
| CN111855072A (en) * | 2020-08-25 | 2020-10-30 | 武汉飞恩微电子有限公司 | Differential pressure sensor |
| CN112665776A (en) * | 2020-12-25 | 2021-04-16 | 黄山徽熿新能源科技有限公司 | Double-pressure sensor for new energy automobile braking system |
| CN112798178A (en) * | 2021-02-04 | 2021-05-14 | 武汉飞恩微电子有限公司 | Shell assembly for pressure sensor, pressure sensor and packaging method |
| CN113340520A (en) * | 2021-05-27 | 2021-09-03 | 凯晟动力技术（嘉兴）有限公司 | Self-processing type turbocharging integrated pipeline pressure sensor |
| CN114791447A (en) * | 2022-05-05 | 2022-07-26 | 杭州汇健科技有限公司 | Multi-channel gas sensor |
| CN114791447B (en) * | 2022-05-05 | 2024-01-12 | 杭州汇健科技有限公司 | Multichannel gas sensor |
| CN115077785A (en) * | 2022-06-16 | 2022-09-20 | 深圳市汇泰科电子有限公司 | Independent air pressure air duct device applied to bicycle stopwatch and application method thereof |
| CN117091751A (en) * | 2023-10-17 | 2023-11-21 | 无锡芯感智半导体有限公司 | Novel pressure sensor packaging structure |
| CN117091751B (en) * | 2023-10-17 | 2024-01-26 | 无锡芯感智半导体有限公司 | Novel pressure sensor packaging structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109506828A (en) | A kind of pressure sensor apparatus detecting vehicle exhaust particle capture | |
| CN109696273B (en) | Automobile brake boosting vacuum pressure sensor device | |
| CN105466483A (en) | High-precision temperature and pressure sensor | |
| CN110082027A (en) | Differential pressure pick-up encapsulating structure and electronic equipment | |
| CN211234817U (en) | Temperature and pressure sensor | |
| CN208902327U (en) | Precision differential pressure sensing device | |
| CN109579928B (en) | Thermal type micro-flow measuring sensor flow channel and sealing structure | |
| CN205616567U (en) | Packaging structure of integrated sensor | |
| CN212133969U (en) | Sensor | |
| CN207163634U (en) | A kind of differential pressure pickup | |
| CN104181202B (en) | A kind of many redundancy hydrogen gas sensors | |
| CN110657913A (en) | Catch pressure sensor device for detecting automobile exhaust particles | |
| CN207300482U (en) | A kind of vehicle exhaust differential pressure pick-up | |
| CN111999003A (en) | Airtight detects and switches on detection tool for combination | |
| CN206891621U (en) | A kind of encapsulating structure of ceramic capacitive pressure sensors | |
| CN209623937U (en) | A kind of piezoresistive pressure sensor | |
| CN103728093A (en) | Pressure sensor with robustness against mounting stress | |
| CN210513523U (en) | Pressure transmitter | |
| CN203024922U (en) | Pressure transmitter | |
| CN108645560A (en) | Precision differential pressure sensing device | |
| CN212871593U (en) | Waterproof dustproof pressure sensor | |
| CN208672210U (en) | A kind of circuit board assembly structure of automobile differential pressure pickup | |
| CN108918020A (en) | A kind of differential pressure pickup of detectable bidirectional pressure difference | |
| CN108955998A (en) | A kind of circuit board assembly structure of automobile differential pressure pickup | |
| CN220356570U (en) | Pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |