CN204978627U - A two vacuum pump systems for control of [electric] motor coach intermittent type nature - Google Patents
A two vacuum pump systems for control of [electric] motor coach intermittent type nature Download PDFInfo
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- CN204978627U CN204978627U CN201520555029.6U CN201520555029U CN204978627U CN 204978627 U CN204978627 U CN 204978627U CN 201520555029 U CN201520555029 U CN 201520555029U CN 204978627 U CN204978627 U CN 204978627U
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Abstract
The utility model relates to a vehicle technical field especially relates to a two vacuum pump systems for control of [electric] motor coach intermittent type nature. This a two vacuum pump systems for control of [electric] motor coach intermittent type nature includes vacuum booster, real empty can, first vacuum pump, the second vacuum pump, first connectedness and second connectedness, the vacuum pressure of vacuum pump controller through gathering real empty can and vacuum booster, the opening and closing of first vacuum pump of indirect control and second vacuum pump, thereby realize the intermittent type nature control of two vacuum pumps, because first vacuum pump and second vacuum pump are parallelly connected to be used, not only can improve vacuum booster's helping hand performance, and then can satisfy the energy -concerving and environment -protective demand of present [electric] motor coach, because vane type helping hand pump noise is little, can reduce the noise of whole car.
Description
Technical field
The utility model relates to technical field of vehicle, particularly relates to a kind of two vacuum pump systems for electrobus intermittency check.
Background technology
At present, along with the lifting of vehicle performance, road level, the development tendency of luxurious mini-bus is that the speed of a motor vehicle is more and more higher, driving comfort is high, environmental demands is high, and adopts traditional plunger tpe electric vacuum pump more and more to can not meet the requirement of people to car load noise.
Vacuum pump is for brake system provides the actuating unit of vacuum, current mini-bus automobile to be substantially all adopt single plunger tpe vacuum pump to carry out intermittency check.Wherein, vacuum pump, between vacuum reservoir and vacuum booster by threeway, some vacuum hoses composition.At present, vane-type vacuum pump noise is little, and volume is little, is comparatively widely used on small-sized riding electric car, but due to the vane-type vacuum pump speed of exhaust existed in the market relatively little, the operating needs of minibus cannot be met.
Along with the exploitation of oil resources, petroleum-based energy is more and more limited, causes battery-driven car will occur rapid development.The relative conventional fuel oil vehicle of current whole electric vehicle noise has been compared and has obviously been reduced, cause the plunger tpe vacuum pump noise be currently used on traditional minibus cannot meet the operating needs of electronic minibus, and traditional passenger vehicle heavier-weight of weight ratio ad eundem due to current electronic mini-bus, braking oil pressure needed for brake system is larger, required vacuum servo performance is caused to improve, and existing blade-type pump cannot meet operating needs, there is larger traffic safety hidden danger.
Therefore, for above deficiency, need to provide a kind of two vacuum pump systems for electrobus intermittency check.
Utility model content
(1) technical matters that will solve
The purpose of this utility model is to provide a kind of two vacuum pump systems for electrobus intermittency check to solve the problem that existing vacuum pump system can not meet low noise requirement and high vacuum power-assisted ability.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of two vacuum pump systems for electrobus intermittency check, it comprises vacuum booster, vacuum reservoir, the first vacuum pump, the second vacuum pump, the first connectedness, the second connectedness and controller for vacuum pump, described vacuum booster is connected by the first connectedness with vacuum reservoir, described first vacuum pump and the second vacuum pump are connected in parallel on the second connectedness, and are all connected with the first connectedness by the second connectedness; The pipeline be communicated with described vacuum reservoir or vacuum booster arranges controller for vacuum pump, and described first vacuum pump is all connected with controller for vacuum pump with the second vacuum pump.
Wherein, described first vacuum pump and the second vacuum pump are vane type boost pump.
Wherein, described controller for vacuum pump is arranged on the exit of described vacuum reservoir.
Wherein, the pipeline that described first vacuum pump is communicated with described second connectedness is provided with the first check valve.
Wherein, the pipeline that described second vacuum pump is communicated with described second connectedness is provided with the second check valve.
Wherein, described first connectedness and described second connectedness are three-way connector.
Wherein, described first vacuum pump is connected with controller for vacuum pump by same circuit with the second vacuum pump.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the utility model provide in two vacuum pump systems of electrobus intermittency check, controller for vacuum pump is by gathering the vacuum pressure of vacuum reservoir and vacuum booster, the opening and closing of indirect control first vacuum pump and the second vacuum pump, thus realize the intermittency check of two vacuum pump, because the first vacuum pump and the parallel connection of the second vacuum pump use, not only can improve the power-assisted ability of vacuum booster, and then the demand of current electrobus energy-conserving and environment-protective can be met, because vane type boost pump noise is little, can reduce car load noise.
In addition, be connected with controller for vacuum pump by same circuit with the second vacuum pump by the use of two vacuum pump, the employing of check valve and the first vacuum pump, enhance the reliability that vacuum pump system uses.
Accompanying drawing explanation
Fig. 1 is the annexation schematic diagram of the utility model embodiment for two vacuum pump systems of electrobus intermittency check.
In figure, 1: the first vacuum pump; 2: the second vacuum pumps; 3: the first check valves; 4: the second check valves; 5: the first connectednesses; 6: the second connectednesses; 7: vacuum booster; 8: vacuum reservoir; 9: support.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the two vacuum pump systems for electrobus intermittency check that the utility model provides comprise vacuum booster 7, vacuum reservoir 8, first vacuum pump 1, second vacuum pump 2, first connectedness 5 and the second connectedness 6, and vacuum booster 7 is connected by the first connectedness 5 with vacuum reservoir 8; First vacuum pump 1 and the second vacuum pump 2 are connected in parallel on the second connectedness 6, and are all connected with the first connectedness 5 by the second connectedness 6; First vacuum pump 1 and the second vacuum pump 2 are vane type boost pump; First connectedness 5 and the second connectedness 6 are three-way connector, and the first connectedness 5 is connected by vacuum hose with the second connectedness 6; Wherein, vacuum booster 7 and vacuum reservoir 8 are all connected on two interfaces of the first connectedness 5 by vacuum hose, and the first vacuum pump 1 and the second vacuum pump 2 are connected on two interfaces of the second connectedness 6 respectively by a vacuum hose; The pipeline be communicated with described vacuum reservoir or vacuum booster arranges controller for vacuum pump, and described first vacuum pump 1 is all connected with controller for vacuum pump with the second vacuum pump 2; First vacuum pump 1 and the second vacuum pump 2 are arranged on car body by support 9.
In above-described embodiment, controller for vacuum pump is by gathering the vacuum pressure of vacuum reservoir and vacuum booster, and then control the opening and closing of the first vacuum pump and the second vacuum pump, when the vacuum pressure of vacuum reservoir and vacuum booster is higher, the first vacuum pump and the closedown of the second vacuum pump can be controlled, it is made not work, otherwise, then open the first vacuum pump and the second vacuum pump, thus the intermittency check realized two vacuum pump, because the first vacuum pump and the parallel connection of the second vacuum pump use, not only can improve the power-assisted ability of vacuum booster, and then the demand of current electrobus energy-conserving and environment-protective can be met, because vane type boost pump noise is little, can reduce car load noise, because the first vacuum pump 1 and the parallel connection of the second vacuum pump 2 use, the power-assisted ability of vacuum booster 7 can be improved.
Preferably, the exit of vacuum reservoir 8 arranges controller for vacuum pump, and described first vacuum pump 1 is all connected with controller for vacuum pump with the second vacuum pump 2.The pressure in vacuum reservoir 8 can be monitored by the controller for vacuum pump being arranged on vacuum reservoir 8 exit, when vacuum reservoir 8 internal pressure increases to a certain value, first vacuum pump 1 and the second vacuum pump 2 are opened simultaneously, and when being reduced to a certain degree of vacuum, two vacuum pumps are closed simultaneously.
Further, the pipeline that the first vacuum pump 1 is communicated with the second connectedness 6 is provided with the first check valve 3, prevents gas backstreaming; The pipeline that second vacuum pump 2 is communicated with the second connectedness 6 is provided with the second check valve 4, prevents gas backstreaming.Particularly, two check valves are arranged on the exit end of vacuum pump respectively, while avoiding the first vacuum pump 1 and the distinctive back suction phenomenon of the second vacuum pump 2 like this, when also can ensure that two vacuum pumps have one to damage, still have the effect of a vacuum pump power-assisted, vacuum servo can not be lost completely.
Preferably, first vacuum pump 1 is connected with controller for vacuum pump by same circuit with the second vacuum pump 2, particularly, the connector of two vacuum pumps is connected on two connectors that same wire harness (circuit) separates respectively, this wire harness is connected with controller, such guarantee two vacuum pumps are opened simultaneously, close simultaneously, there will not be the less operating mode of some vacuum pump loads another vacuum pump load comparatively large to occur.
In sum, the utility model provide in two vacuum pump systems of electrobus intermittency check, controller for vacuum pump is by gathering the vacuum pressure of vacuum reservoir and vacuum booster, the opening and closing of indirect control first vacuum pump and the second vacuum pump, thus realize the intermittency check of two vacuum pump, used by the parallel connection of the first vacuum pump 1 and the second vacuum pump 2, the power-assisted ability of vacuum booster 7 can be improved, simultaneously, the demand of current electrobus energy-conserving and environment-protective can be met, change the present situation that blade-type pump in the market cannot be applied on electronic mini-bus, because vane type boost pump noise is little, can reduce car load noise, be connected with controller for vacuum pump by same circuit with the second vacuum pump 2 by the use of two vacuum pump, the employing of check valve and the first vacuum pump 1, enhance the reliability that vacuum pump system uses.
Below be only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. the two vacuum pump systems for electrobus intermittency check, it is characterized in that: it comprises vacuum booster, vacuum reservoir, the first vacuum pump, the second vacuum pump, the first connectedness, the second connectedness and controller for vacuum pump, described vacuum booster is connected by the first connectedness with vacuum reservoir, described first vacuum pump and the second vacuum pump are connected in parallel on the second connectedness, and are all connected with the first connectedness by the second connectedness; The pipeline be communicated with described vacuum reservoir or vacuum booster arranges controller for vacuum pump, and described first vacuum pump is all connected with controller for vacuum pump with the second vacuum pump.
2. the two vacuum pump systems for electrobus intermittency check according to claim 1, is characterized in that: described first vacuum pump and the second vacuum pump are vane type boost pump.
3. the two vacuum pump systems for electrobus intermittency check according to claim 1, is characterized in that: described controller for vacuum pump is arranged on the exit of described vacuum reservoir.
4. the two vacuum pump systems for electrobus intermittency check according to claim 2, is characterized in that: the pipeline that described first vacuum pump is communicated with described second connectedness is provided with the first check valve.
5. the two vacuum pump systems for electrobus intermittency check according to claim 2, is characterized in that: the pipeline that described second vacuum pump is communicated with described second connectedness is provided with the second check valve.
6. the two vacuum pump systems for electrobus intermittency check according to claim 1, is characterized in that: described first connectedness and described second connectedness are three-way connector.
7. the two vacuum pump systems for electrobus intermittency check according to claim 3, is characterized in that: described first vacuum pump is connected with controller for vacuum pump by same circuit with the second vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555029.6U CN204978627U (en) | 2015-07-28 | 2015-07-28 | A two vacuum pump systems for control of [electric] motor coach intermittent type nature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555029.6U CN204978627U (en) | 2015-07-28 | 2015-07-28 | A two vacuum pump systems for control of [electric] motor coach intermittent type nature |
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| Publication Number | Publication Date |
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| CN204978627U true CN204978627U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520555029.6U Active CN204978627U (en) | 2015-07-28 | 2015-07-28 | A two vacuum pump systems for control of [electric] motor coach intermittent type nature |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240546A (en) * | 2016-08-15 | 2016-12-21 | 金龙联合汽车工业（苏州）有限公司 | A kind of vacuum boost system for pure electric automobile hydraulic braking |
| CN109177955A (en) * | 2018-09-27 | 2019-01-11 | 余静远 | A kind of controller and control method |
| CN109177954A (en) * | 2018-09-27 | 2019-01-11 | 余静远 | A kind of controller and control method reducing negative pressure system energy consumption |
| CN110466490A (en) * | 2019-08-22 | 2019-11-19 | 山东理工大学 | A kind of redundancy vacuum boost system of the brake of electric vehicle based on double electric vacuum pumps |
-
2015
- 2015-07-28 CN CN201520555029.6U patent/CN204978627U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240546A (en) * | 2016-08-15 | 2016-12-21 | 金龙联合汽车工业（苏州）有限公司 | A kind of vacuum boost system for pure electric automobile hydraulic braking |
| CN109177955A (en) * | 2018-09-27 | 2019-01-11 | 余静远 | A kind of controller and control method |
| CN109177954A (en) * | 2018-09-27 | 2019-01-11 | 余静远 | A kind of controller and control method reducing negative pressure system energy consumption |
| CN109177954B (en) * | 2018-09-27 | 2019-12-24 | 余静远 | Controller and control method for reducing energy consumption of negative pressure system |
| CN110466490A (en) * | 2019-08-22 | 2019-11-19 | 山东理工大学 | A kind of redundancy vacuum boost system of the brake of electric vehicle based on double electric vacuum pumps |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201125 Granted publication date: 20160120 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220216 Granted publication date: 20160120 |