CN209191937U - A kind of pressure sensor mounting structure of vacuum automobile pressure detecting system - Google Patents
A kind of pressure sensor mounting structure of vacuum automobile pressure detecting system Download PDFInfo
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- CN209191937U CN209191937U CN201821937468.3U CN201821937468U CN209191937U CN 209191937 U CN209191937 U CN 209191937U CN 201821937468 U CN201821937468 U CN 201821937468U CN 209191937 U CN209191937 U CN 209191937U
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- vacuum
- pressure sensor
- vacuum line
- connect
- fast joint
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Abstract
The utility model relates to a kind of pressure sensor mounting structures of vacuum automobile pressure detecting system, including pressure sensor, the brake booster, the first vacuum line and the second vacuum line that are connect with pressure sensor, the motor intake manifold being connect with the first vacuum line, the vacuum pump being connect with the second vacuum line, it is characterized in that: the pressure sensor is equipped with a ring head, a connector, the ring head is cooperatively connected by gum cover and brake booster, and the connector is connect with harness；It is additionally provided with the first tracheae branch and the second tracheae branch in the pressure sensor, the two is the fast joint of injection molding.The utility model can reduce the complexity of pipeline, effectively reduce the risk of pipeline gas leakage, improve the safety of braking system；Effectively simplify assembly difficulty, promote maintenanceability after sale, reduces maintenance cost.
Description
Technical field
The utility model relates to motor vehicle braking systems, and in particular to a kind of pressure sensing of vacuum automobile pressure detecting system
Device mounting structure.
Background technique
With the application of vehicle ESP body stabilization system function and fuel-economizing STT start and stop function, it is both needed to pass using vacuum pressure
Sensor detects the current vacuum pressure value of brake booster, with the accurate control for brake system performance.Simultaneously with increasing
Type of delaying unloading is increasing, and only guarantees that the vacuum degree in brake booster is increasingly had too many difficulties to cope with by inlet manifold.Because increasing
It presses under operating condition, inlet manifold air pressure is greater than environmental pressure, can not vacuumize to brake booster, and vacuum deficiency is by direct shadow
Ring braking quality.Therefore, active vacuum pump (mechanical/electrical) comes into being；Actively pump can not be true by motor intake manifold
The constraint of reciprocal of duty cycle actively vacuumizes brake booster under engine booster operating condition, guarantees braking quality, that is, is formed
Present double brake vacuum source (inlet manifold+active vacuum pump) braking system
In existing double brake vacuum source braking system, traditional vacuum pressure detecting system are as follows: referring to Fig. 1 and Fig. 2, former
Sensor 20 is assemblied on former brake booster 10: being connect by gum cover with former booster 1 using raw bamboo section header 21, and interference
Cooperation is to guarantee to seal；Former connector 22 is connect with harness carries out signal transmission；An included original pipe branch 23, by subsequent
The mode for increasing three-way interface 8 in vacuum line carries out branch, then through the first vacuum line of original 30 and former second vacuum line
50 are respectively connected to 60 two vacuum sources of former inlet manifold 40 and former vacuum pump.The shortcomings that traditional vacuum pressure detecting system is
Pipeline arrangement is complicated, and interface, which increases, considerably increases gas leakage hidden danger, influences the brake force and pressure signal acquisition of braking system
Accuracy, to seriously affect braking system safety, there are security risks.
Summary of the invention
The purpose of the utility model is to provide a kind of pressure sensor mounting structure of vacuum automobile pressure detecting system,
The complexity that can reduce pipeline effectively reduces the risk of pipeline gas leakage, improves the safety of braking system；Effectively simplify
Assembly difficulty promotes maintenanceability after sale, reduces maintenance cost.
A kind of pressure sensor mounting structure of vacuum automobile pressure detecting system described in the utility model, including pressure
Sensor, the brake booster being connect with pressure sensor, the first vacuum line and the second vacuum line and the first vacuum line
The motor intake manifold of connection, the vacuum pump being connect with the second vacuum line, it is characterized in that:
The pressure sensor is equipped with a ring head, a connector, and the ring head passes through gum cover and brake booster
It is cooperatively connected, the connector is connect with harness；The first tracheae branch and the second tracheorrhaphy are additionally provided in the pressure sensor
Branch, the two is the fast joint male end of injection molding.
Further, first tracheae branch and the first fast joint female end are cooperatively connected, the first fast joint male end and first
One end of vacuum line connects, and the other end of the first vacuum line is connect with motor intake manifold；
Second tracheae branch and the second fast joint female end are cooperatively connected；Second fast joint male end and the second vacuum line
One end connection, the other end of the second vacuum line is controlled to a vacuum pump.
Further, the ring head is interference fitted by gum cover and brake booster.
Further, one end of the first fast joint male end and the first vacuum line, the second fast joint male end and the
One end of two vacuum lines is all made of conventional heat pressing process and is attached.
Further, the pressure sensor is formed using integral molded plastic.
Compared to the prior art the utility model has the advantage that
It, can be directly true by piping connection two since the pressure sensor of the utility model is equipped with double tracheae branches
Empty source,
It can at least reduce by two tie points compared with traditional scheme to mention to effectively reduce the risk of braking system gas leakage
High braking system overall security.Due to simplify pipeline arrangement and using fast joint by the way of, can simplify assembler
Skill reduces process costs, and improves maintainability after sale.
Detailed description of the invention
Fig. 1 is former vacuum-pressure detection system principle schematic diagram；
Fig. 2 is former vacuum pressure sensor structural schematic diagram；
Fig. 3 is the structural schematic diagram of the utility model；
Fig. 4 is A-A cross-sectional view of Fig. 3；
Fig. 5 is the schematic diagram of the utility model and fast joint female end corresponding matching；
Fig. 6 is the structural schematic diagram that the utility model is connect with brake booster；
Fig. 7 is the vacuum-pressure detection system principle schematic diagram using the utility model.
In figure: 10-former brake boosters, 20-original sensors, 21-raw bamboo section headers, 22-former connectors, 23-Primordial Qi
Pipe branch；
30-former first vacuum lines, 40-former inlet manifold, 50-former second vacuum lines, 60-former vacuum pumps, 8-
Three-way interface；
1-brake booster；
3-the first vacuum line, the 31-the first fast joint male end, the 32-the first fast joint female end；
4-motor intake manifolds；
5-the second vacuum line, the 51-the second fast joint male end, the 52-the second fast joint female end；
6-vacuum pumps；
7-pressure sensors, 71-ring heads, 72-connectors, the 73-the first tracheae branch, the 74-the second tracheorrhaphy
Branch, 9-gum covers.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
Referring to Fig. 3 to Fig. 7, shown in a kind of pressure sensor mounting structure of vacuum automobile pressure detecting system, including
Pressure sensor 7, the brake booster 1 being connect with pressure sensor, the first vacuum line 3 and the second vacuum line 5 and first
The motor intake manifold 4 of vacuum line connection, the vacuum pump 6 being connect with the second vacuum line, it is characterized in that:
The pressure sensor 7 is equipped with a ring head 71, a connector 72, and the ring head 71 passes through gum cover 9 and system
Dynamic booster 1 is cooperatively connected, and the connector 72 is connect with harness, carries out signal transmission；It is additionally provided in the pressure sensor 7
First tracheae branch 73 and the second tracheae branch 74, the two are the fast joint male end of injection molding.
First tracheae branch 73 and the first fast joint female end 32 are cooperatively connected, and the first fast joint male end 31 and first is true
The one end on blank pipe road 3 connects, and the other end of the first vacuum line 3 is connect with motor intake manifold 4；
Second tracheae branch 74 and the second fast joint female end 52 are cooperatively connected；Second fast joint male end 51 and second is true
The one end on blank pipe road 5 connects, and the other end of the second vacuum line 5 is connect with vacuum pump 6.
The ring head 71 is interference fitted by gum cover 9 and brake booster 1, to guarantee to seal.
One end of the first fast joint male end 31 and the first vacuum line 3, the second fast joint male end 51 and second
One end of vacuum line 5 is all made of conventional heat pressing process and is attached.
The utility model can at least reduce by two tie points compared with traditional scheme, to effectively reduce braking system gas leakage
Risk, improve braking system overall security.
The pressure sensor 7 is formed using integral molded plastic.
When engine is in non pressurized state, it is negative pressure in motor intake manifold 4, the first vacuum line can be passed through
3 and pressure sensor 7 brake booster 1 is vacuumized.
When engine is in pressurized state, motor intake manifold 4 is positive pressure, and vacuum pump 6 starts, and passes through second at this time
Vacuum line 5 and pressure sensor 7 vacuumize brake booster 1.
Two free-air paths can pass through pressure sensor 7, and therefore, pressure sensor 7 can monitor any one in real time
Vacuum pressure value under vacuum source operating condition, to guarantee the accuracy of signal acquisition.
Another kind as the utility model improves, thus it is possible to vary the opposite position of connector and sensor tracheae branch
It sets, to be more advantageous to the trend of arrangement and harness.
Claims (5)
1. a kind of pressure sensor mounting structure of vacuum automobile pressure detecting system, including pressure sensor (7) are passed with pressure
Brake booster (1), the first vacuum line (3) and the second vacuum line (5) of sensor connection are connect with the first vacuum line
Motor intake manifold (4), the vacuum pump (6) being connect with the second vacuum line, it is characterized in that:
The pressure sensor (7) is equipped with a ring head (71), a connector (72), and the ring head (71) passes through gum cover
(9) it is cooperatively connected with brake booster (1), the connector (72) connect with harness；It is additionally provided in the pressure sensor (7)
First tracheae branch (73) and the second tracheae branch (74), the two are the fast joint male end of injection molding.
2. the pressure sensor mounting structure of vacuum automobile pressure detecting system according to claim 1, it is characterized in that:
First tracheae branch (73) and the first fast joint female end (32) are cooperatively connected, the first fast joint male end (31) and first
One end of vacuum line (3) connects, and the other end of the first vacuum line (3) is connect with motor intake manifold (4)；
Second tracheae branch (74) and the second fast joint female end (52) are cooperatively connected；Second fast joint male end (51), with
One end of two vacuum lines (5) connects, and the other end of the second vacuum line (5) is connect with vacuum pump (6).
3. the pressure sensor mounting structure of vacuum automobile pressure detecting system according to claim 1 or 2, feature
Be: the ring head (71) is interference fitted by gum cover (9) and brake booster (1).
4. the pressure sensor mounting structure of vacuum automobile pressure detecting system according to claim 2, it is characterized in that: institute
State one end, the second fast joint male end (51) and the second vacuum of the first fast joint male end (31) and the first vacuum line (3)
One end of pipeline (5) is all made of conventional heat pressing process and is attached.
5. the pressure sensor mounting structure of vacuum automobile pressure detecting system according to claim 1 or 2, feature
Be: the pressure sensor (7) is formed using integral molded plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937468.3U CN209191937U (en) | 2018-11-23 | 2018-11-23 | A kind of pressure sensor mounting structure of vacuum automobile pressure detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937468.3U CN209191937U (en) | 2018-11-23 | 2018-11-23 | A kind of pressure sensor mounting structure of vacuum automobile pressure detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209191937U true CN209191937U (en) | 2019-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821937468.3U Active CN209191937U (en) | 2018-11-23 | 2018-11-23 | A kind of pressure sensor mounting structure of vacuum automobile pressure detecting system |
Country Status (1)
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| CN (1) | CN209191937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044014A (en) * | 2019-12-27 | 2021-06-29 | 上海亚大汽车塑料制品有限公司 | Pressure retaining device of automobile vacuum braking system |
| CN117889933A (en) * | 2024-03-15 | 2024-04-16 | 河南豫科先进技术研究有限公司 | Natural river channel water level monitoring device |
-
2018
- 2018-11-23 CN CN201821937468.3U patent/CN209191937U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044014A (en) * | 2019-12-27 | 2021-06-29 | 上海亚大汽车塑料制品有限公司 | Pressure retaining device of automobile vacuum braking system |
| CN117889933A (en) * | 2024-03-15 | 2024-04-16 | 河南豫科先进技术研究有限公司 | Natural river channel water level monitoring device |
| CN117889933B (en) * | 2024-03-15 | 2024-05-31 | 河南豫科先进技术研究有限公司 | Natural river channel water level monitoring device |
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