CN204095803U - A kind of vacuum servo matching system and automobile - Google Patents
A kind of vacuum servo matching system and automobile Download PDFInfo
- Publication number
- CN204095803U CN204095803U CN201420503782.6U CN201420503782U CN204095803U CN 204095803 U CN204095803 U CN 204095803U CN 201420503782 U CN201420503782 U CN 201420503782U CN 204095803 U CN204095803 U CN 204095803U
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- 230000005055 memory storage Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a kind of vacuum servo matching system and automobile, and this vacuum servo matching system comprises: two-way cock, the first check valve, adjustable air intake valve, the second check valve, variable bit rate electric vacuum pump, the first vacuum sensor, the second vacuum sensor, the 3rd vacuum sensor, display circuit and rotational speed meters.One end of two-way cock is connected with vacuum booster, the other end is connected with the first check valve, the first vacuum sensor is accessed between two-way cock and the first check valve, first check valve inlet end connects the first branch road and the second branch road, the second vacuum sensor is accessed after first check valve and before shunt thereafter, access the 3rd vacuum sensor between second branch road, the signal input part of display circuit connects the signal output part of the first vacuum sensor, the second vacuum sensor, the 3rd vacuum sensor and rotational speed meters respectively.The utility model can carry out adjustment and coupling to the degree of vacuum of automobile vacuum booster and system thereof in proper range.
Description
Technical field
The utility model relates to automobile detection field, particularly relates to a kind of vacuum servo matching system and automobile.
Background technology
In automobile brake perfrmance exploitation, need to carry out subjective assessment to car brakeing.The quality that direct effect appraise person evaluates brake pedal feel by the size of vehicle vacuum degree peak value and the speed of foundation.Therefore, in automotive development, developer needs to mate the degree of vacuum of vacuum booster, to obtain best power-assisted and to drive sensation.So, design a kind of leakage situation can either monitoring vacuum booster and system thereof quickly and easily, again can to vehicle vacuum booster vacuum degree peak value size and set up speed and regulate in proper range, and it is easy to carry, the simple vacuum servo matching system of installing/dismounting, realize vacuum servo coupling, be more and more necessary.
Utility model content
In order to overcome existing vacuum servo coalignment make and time of setting up long, and the problem that accuracy of detection is not high, the utility model provides a kind of vacuum servo matching system and automobile.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
According to an aspect of the present utility model, provide a kind of vacuum servo matching system, comprise: for the two-way cock be connected with vacuum booster, first check valve, for the adjustable air intake valve be connected with engine intake manifold, second check valve, variable bit rate electric vacuum pump, first vacuum sensor, second vacuum sensor, 3rd vacuum sensor, display circuit and the rotational speed meters for detecting engine speed, wherein, one end of two-way cock is connected with vacuum booster, the other end of two-way cock is connected with the first check valve, the first vacuum sensor is accessed between two-way cock and the first check valve, first check valve inlet end connects the first branch road and the second branch road, the second vacuum sensor is accessed after the first check valve and before shunt thereafter, first branch road is connected in series adjustable air intake valve and engine intake manifold successively, second branch road is connected in series the second check valve and variable bit rate electric vacuum pump successively, between the second check valve and variable bit rate electric vacuum pump, access the 3rd vacuum sensor, the signal input part of display circuit connects the signal output part of the first vacuum sensor, the second vacuum sensor, the 3rd vacuum sensor and rotational speed meters respectively.
Alternatively, this vacuum servo matching system also comprises: the memory storage be connected with the signal input part of display circuit.
Alternatively, the operating voltage of variable bit rate electric vacuum pump is 12V.
According to another aspect of the present utility model, additionally provide a kind of automobile, comprise vacuum booster, also comprise above-mentioned vacuum servo matching system.
The beneficial effects of the utility model are:
In embodiment of the present utility model, first vacuum sensor is for monitoring the degree of vacuum of vacuum booster inside, the vacuum degree that second vacuum sensor is formed for monitoring driving engine, 3rd vacuum sensor is for monitoring the variable quantity of system vacuum under electric vacuum pump mode of operation, in terminal by observing the curve of each collection signal, judge that vacuum booster is enough leakages.Therefore, this system can check the leakage situation of vacuum booster and system thereof easily, and significantly reduces exemplar processing, making and time of setting up and cost.
Further, the input end of display circuit signal is also connected to memory storage, therefore, it is possible to real time recording also preserves vacuum measurement value automatically, data display is more directly perceived, is tested, obtain vacuum-assisted optimum matching point by objective braking.
Accompanying drawing explanation
Fig. 1 represents the assembling schematic diagram of vacuum servo matching system in the utility model embodiment.
Detailed description of the invention
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
As shown in Figure 1, for the assembling schematic diagram of vacuum servo matching system in the utility model embodiment, comprising: for the two-way cock be connected with vacuum booster, first check valve, for the adjustable air intake valve be connected with engine intake manifold, second check valve, variable bit rate electric vacuum pump, first vacuum sensor, second vacuum sensor, 3rd vacuum sensor, display circuit and the rotational speed meters for detecting engine speed, wherein, one end of two-way cock is connected with vacuum booster, the other end of two-way cock is connected with the first check valve, the first vacuum sensor is accessed between two-way cock and the first check valve, first check valve inlet end connects the first branch road and the second branch road, the second vacuum sensor is accessed after the first check valve and before shunt thereafter, first branch road is connected in series adjustable air intake valve and engine intake manifold successively, second branch road is connected in series the second check valve and variable bit rate electric vacuum pump successively, between the second check valve and variable bit rate electric vacuum pump, access the 3rd vacuum sensor, the signal input part of display circuit connects the signal output part of the first vacuum sensor, the second vacuum sensor, the 3rd vacuum sensor and rotational speed meters respectively.
In the utility model embodiment, first vacuum sensor is for monitoring the degree of vacuum of vacuum booster inside, the vacuum degree that second vacuum sensor is formed for monitoring driving engine, the 3rd vacuum sensor is for monitoring the variable quantity of system vacuum under electric vacuum pump mode of operation.
Wherein, the concrete use procedure of this system is as follows:
1, first this system is arranged on automobile.
2, variable bit rate electric vacuum pump is closed, open the valve of adjustable air intake valve, then start the engine, the curve (now the 3rd vacuum sensor indicating value is zero) of the first vacuum sensor and the second vacuum sensor is observed at terminal demonstration, if both the first and second vacuum sensors curve co-insides, proof system line seal is good, No leakage; If both the first and second vacuum sensors curve does not overlap, then there is leakage situation in proof system pipeline, reexamines joint and pipeline everywhere, until both the first and second vacuum sensors curve of vacuum is consistent.
3, variable bit rate electric vacuum pump is closed, open the valve of adjustable air intake valve to maximum opening position, then start the engine, the setting time of the first vacuum sensor and the second vacuum sensor curve, can assess the ability that driving engine vacuumizes and the basic value setting up vacuum booster.
4, to kill engine and variable bit rate electric vacuum pump, now second and the 3rd vacuum sensor displayed value reduce to zero; Leave standstill vehicle 4h-6h, observe the curve whether maintenance level of the first vacuum sensor.If downswing appears in curve, then there is leakage in vacuum booster, and its leakiness intuitively can reflect from curve.
5, close variable bit rate electric vacuum pump, start the engine, regulate the valve different opening of adjustable air intake valve, under carrying out stationary vehicle, low speed, high speed, vehicle is braked, evaluate brake pedal soft or hard degree, pedal stroke and brake feel.
6, open the valve of adjustable air intake valve to maximum position, start the engine, starts variable bit rate electric vacuum pump, increases vacuum servo.Now, the value of the first vacuum sensor is the superposition value of the second vacuum sensor and the 3rd vacuum sensor.By regulating the speed of electric vacuum pump, change vacuum-assisted increase degree, and brake under static, low speed, high speed degree being carried out to vehicle under in various degree, evaluate the soft or hard degree of brake pedal, stroke and brake feel.
By said method, can be convenient and simple obtain vacuum-assisted optimum matching point.
As shown in Figure 1, this vacuum servo matching system also comprises: the memory storage be connected with the signal input part of display circuit.Real time recording also automatically can preserve vacuum measurement value, data display is more directly perceived.
As shown in Figure 1, the operating voltage of variable bit rate electric vacuum pump is 12V.Directly from automotive battery power taking, can work simpler.
According to another aspect of the present utility model, additionally provide a kind of automobile, comprise vacuum booster, further comprises above-mentioned vacuum servo matching system, carry out leak test and degree of vacuum adjustment coupling not only simply and easily to vacuum booster and system thereof, and be easy to carry and install.
Above-described is preferred implementation of the present utility model; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite described in the utility model, these improvements and modifications are also in protection domain of the present utility model.
Claims (4)
1. a vacuum servo matching system, it is characterized in that, comprise: for the two-way cock be connected with vacuum booster, first check valve, for the adjustable air intake valve be connected with engine intake manifold, second check valve, variable bit rate electric vacuum pump, first vacuum sensor, second vacuum sensor, 3rd vacuum sensor, display circuit and the rotational speed meters for detecting engine speed, wherein, one end of described two-way cock is connected with described vacuum booster, the other end of described two-way cock is connected with described first check valve, described first vacuum sensor is accessed between described two-way cock and described first check valve, described first check valve inlet end connects the first branch road and the second branch road, the second vacuum sensor is accessed after described first check valve and before shunt thereafter, described first branch road is connected in series adjustable air intake valve and engine intake manifold successively, second branch road is connected in series the second check valve and variable bit rate electric vacuum pump successively, between described second check valve and variable bit rate electric vacuum pump, access described 3rd vacuum sensor, the signal input part of described display circuit connects the signal output part of the first vacuum sensor, the second vacuum sensor, the 3rd vacuum sensor and rotational speed meters respectively.
2. vacuum servo matching system as claimed in claim 1, it is characterized in that, described vacuum servo matching system also comprises: the memory storage be connected with the signal input part of described display circuit.
3. vacuum servo matching system as claimed in claim 1, it is characterized in that, the operating voltage of described variable bit rate electric vacuum pump is 12V.
4. an automobile, comprises vacuum booster, it is characterized in that, described automobile also comprises the vacuum servo matching system as described in any one of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503782.6U CN204095803U (en) | 2014-09-02 | 2014-09-02 | A kind of vacuum servo matching system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503782.6U CN204095803U (en) | 2014-09-02 | 2014-09-02 | A kind of vacuum servo matching system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204095803U true CN204095803U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503782.6U Expired - Lifetime CN204095803U (en) | 2014-09-02 | 2014-09-02 | A kind of vacuum servo matching system and automobile |
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| Country | Link |
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| CN (1) | CN204095803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083249A (en) * | 2015-09-22 | 2015-11-25 | 苏州普京真空技术有限公司 | Vacuum booster |
| CN112343789A (en) * | 2020-10-14 | 2021-02-09 | 中广核工程有限公司 | Spent fuel storage tank vacuumizing method and system |
-
2014
- 2014-09-02 CN CN201420503782.6U patent/CN204095803U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083249A (en) * | 2015-09-22 | 2015-11-25 | 苏州普京真空技术有限公司 | Vacuum booster |
| CN112343789A (en) * | 2020-10-14 | 2021-02-09 | 中广核工程有限公司 | Spent fuel storage tank vacuumizing method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |