CN218287711U - Auxiliary braking device of automobile, automobile auxiliary braking system and electric automobile - Google Patents
Auxiliary braking device of automobile, automobile auxiliary braking system and electric automobile Download PDFInfo
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- CN218287711U CN218287711U CN202222378066.7U CN202222378066U CN218287711U CN 218287711 U CN218287711 U CN 218287711U CN 202222378066 U CN202222378066 U CN 202222378066U CN 218287711 U CN218287711 U CN 218287711U
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- 238000002347 injection Methods 0.000 claims description 34
- 239000007924 injection Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an auxiliary brake device, car auxiliary brake system and electric automobile of car belongs to electric automobile technical field. This supplementary arresting gear of car is including guaranteeing body and jet system before, through offer the gas pocket in the front on guaranteeing the body, and dispose the end of giving vent to anger of gas pocket into the direction of advancing towards the car, be connected the inlet end and the jet system of gas pocket, thereby when the car braking, start the jet system and produce gas, and by the blowout of gas pocket, make the blowout direction of gas the same with the direction that the car was advanced, thereby make gas to produce reverse effort to the car, this reverse effort is opposite with the direction of advancing of car, thereby provide supplementary braking force for the car.
Description
Technical Field
The utility model belongs to the technical field of electric automobile, in particular to auxiliary brake, car auxiliary brake system and electric automobile of car.
Background
The existing pure electric automobile does not need to arrange a fuel engine, so that the front bumper of the automobile does not need to arrange a middle grille to radiate heat of the engine. At present, a conventional pure electric vehicle front bumper model is a false grid model, or a model is a blank, so that the front bumper model is only a decorative model, and the utilization rate of a front bumper structure is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the not enough of prior art, provide a car auxiliary brake device to solve the lower technical problem of utilization ratio of prior art front insurance structure.
The utility model discloses a following technical scheme realizes:
an auxiliary braking device for a vehicle, comprising:
the front protection body is provided with at least one air hole, and the air outlet end of the air hole is configured to face the forward direction of the automobile;
the air injection device is used for providing air when an automobile is braked, and an air outlet end of the air injection device is communicated with an air inlet end of the air hole;
the air hole is used for ejecting gas provided by the air ejecting device and generating force opposite to the advancing direction of the automobile so as to assist braking.
As optionally, for better realization this application, auxiliary brake device still includes the air guide cover, the air inlet of air guide cover with the end intercommunication of giving vent to anger of gas jet system, the gas outlet of air guide cover with a plurality of the inlet end intercommunication of gas pocket, the gas jet system passes through the air guide cover is to a plurality of the gas pocket provides gas.
Alternatively, in order to better realize the present application, the cross-sectional area of the air guide hood gradually increases from the air inlet to the air outlet.
Alternatively, for better realisation of the present application, the air inlet and the air outlet of the air guide hood are arranged opposite to each other.
Optionally, in order to better implement the present application, the air hole is multiple, and the multiple air holes are uniformly distributed on the front protection body.
Alternatively, for better realisation of the present application, the air holes are straight holes.
Alternatively, for better realisation of the present application, the gas injection means is a gas generator.
Optionally, in order to better implement the present application, the air injection device is a fan.
The application also provides an automobile auxiliary braking system which comprises the auxiliary braking device.
The application also provides an electric automobile which comprises the automobile auxiliary braking system.
The utility model discloses compare in prior art and have following beneficial effect:
this application is through offering the gas pocket in the front on guaranteeing the body, and configure the end of giving vent to anger of gas pocket into the advancing direction of orientation car, the end intercommunication of giving vent to anger with the inlet end of gas pocket and gas injection unit, thereby when the car braking, start gas injection unit and produce gas, gas gets into in the gas pocket through gas injection unit's the end of giving vent to anger, and the end blowout of giving vent to anger from the gas pocket, make the blowout direction of gas the same with the direction that the car advances, thereby make gas produce reverse effort to the car, this reverse effort is opposite with the advancing direction of car, thereby provide supplementary braking force for the car.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the outer side of a front bumper body;
FIG. 2 is a schematic view of the inner side of the front bumper body;
FIG. 3 is a partial structural view of a cross-section of a front fender body;
FIG. 4 is a schematic view of the construction of the grid of FIG. 1;
FIG. 5 is a schematic view of the configuration of the scoop of FIG. 2;
FIG. 6 is a schematic view of a configuration of the gas injection unit of FIG. 5;
fig. 7 is a partial structural schematic view of the wire harness of fig. 5.
In the figure: 1-anterior insurance ontology; 11-air holes; 12-a grid; 2-a gas injection device; 3-a gas guide hood; 4-harness.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 7, the present embodiment provides an embodiment of an auxiliary brake apparatus for an automobile, in which the auxiliary brake apparatus for an automobile includes a front guard body 1 and an air injection device 2. The front bumper body 1 is a front bumper of an automobile, and the front bumper body 1 is provided with an outer side face and an inner side face opposite to the outer side face. When the front protection body 1 is assembled on an automobile, the outer side surface of the front protection body 1 faces back to the automobile and faces the front of the automobile, the front of the automobile is the forward direction of the automobile, the inner side surface of the front protection body 1 faces the automobile and faces the rear of the automobile, and the rear of the automobile is the reverse direction of the automobile. The front protection body 1 is provided with at least one air hole 11, the air hole 11 penetrates through the outer side face and the inner side face of the front protection body 1, so that the air inlet end of the air hole 11 is located on the inner side face, and the air outlet end of the air hole 11 is located on the outer side face, so that the air outlet end of the air hole 11 is configured to face the forward moving direction of an automobile. The gas injection device 2 is a gas injection device with a controllable opening state, and particularly, the gas injection device 2 can be configured to be started when the automobile is in a braking state so as to generate high-pressure gas; and the air jet unit 2 may be configured to be turned off when the vehicle is in a non-braking state. The air jet device 2 is fixed to the inner side surface of the front body 1 so that the air jet device 2 can be hidden in the vehicle. The air outlet end of the air injection device 2 is communicated with the air inlet end of the air hole 11 on the front body 1.
When the automobile brakes, namely the automobile brakes the wheels, after the gas injection device 2 is started, the gas generated by the gas injection device 2 is sprayed out from the gas outlet end of the gas injection device 2 and enters the gas hole 11 from the gas inlet end of the gas hole 11, and then is sprayed out from the gas outlet end of the gas hole 11, and the gas is sprayed out from the gas outlet end of the gas hole 11 in the same direction as the automobile driving direction, so that the gas can generate an acting force opposite to the automobile driving direction on the automobile, and the braking time of the automobile is shortened.
The air outlet end of the air injection device 2 may be connected to the air hole 11 to form a direct connection structure, or may be spaced apart from each other to form a space connection structure. The air injection device 2 and the front protector body 1 may be fixed to each other in a manner that the air injection device 2 is directly fixed to the front protector body 1, or the air injection device 2 is fixed to another fixing member and indirectly fixed to the front protector body 1 by another fixing member, for example, the air injection device 2 may be fixed to a frame of an automobile and fixedly connected to the front protector body 2 indirectly by the frame.
Further, the front protection device further comprises an air guide cover 3, the air guide cover 3 is of a hollow shell structure, and the air guide cover 3 is provided with an air inlet and an air outlet which are communicated with each other. The air guide cover 3 is fixed on the inner side surface of the front protection body 1, the air outlet of the air guide cover 3 is communicated with the plurality of air holes 11, and the air inlet of the air guide cover 3 is communicated with the air outlet end of the air injection device 2. Thereby make gas jet system 2 through air guide cover 3 and a plurality of gas pocket 11 intercommunication, gas that gas jet system 2 spun can get into simultaneously in a plurality of gas pockets 11 and spout through air guide cover 3, provides gas to a plurality of gas pockets 11 simultaneously, has improved gaseous jet-propelled area, and under the sufficient condition of gas pressure that gas jet system 2 provided, the jet-propelled area of increase can improve the effect of auxiliary brake to the car auxiliary braking to a certain extent.
In this embodiment, the air outlet of the air guide hood 3 is communicated with all the air holes 11 of the front protection device. Therefore, only one air guide cover 3 is arranged on the inner side surface of the front protection body 1, and the installation efficiency of the air guide cover 3 can be improved.
Further, the cross-sectional area of the air guide hood 3 gradually increases from the air inlet to the air outlet, so that the gas generated by the gas spraying device 2 can be rapidly diffused into each air hole 11 in the process of passing through the air guide hood 3.
It should be noted that, in this embodiment, the air inlet and the air outlet of the air guide hood 3 are oppositely disposed, so that the air guide hood 3 is in a tapered hood structure, and the flow direction of the gas generated by the gas injection device 2 does not need to be changed in the process of passing through the air guide hood 3, thereby reducing other energy losses in the process of passing through the air guide hood 3. Thereby improving the auxiliary braking effect of the gas. Specifically, the air guide hood 3 is a square cone. Of course, in some other embodiments, the scoop 3 may also be conical.
In the present embodiment, the air holes 11 are uniformly distributed on the front protection body 1, so that the front protection body 1 is more beautiful. In this embodiment, the front protection body 1 is fixed with a grid 12, and the air holes 11 are holes formed in the grid 12, so that the existing holes on the grid can be directly used as the air holes 11 in this embodiment, and the cost for opening the air holes 11 is reduced.
So that the front fender body 1 forms a grid structure. The air holes 11 may be rectangular holes, circular holes, triangular holes, or any regular or irregular holes. The air hole 11 used in this embodiment is a rectangular hole.
Preferably, the air holes 11 in the present embodiment are straight holes, so as to further reduce other energy loss in the air holes 11.
Furthermore, the gas injection device 2 may be a gas generator. Gas generators are generally used for inflating an airbag of an automobile, and the gas generators can generate a large amount of gas in a short time and fill the airbag. In the present embodiment, after the gas generator is communicated with the gas hole 11, the gas generated by the gas generator enters the gas hole 11, thereby providing an auxiliary braking force for the automobile. Of course, the air injection device 2 may be a fan, and the fan delivers air to the air hole 11 after being started to assist braking of the vehicle. For example, the fan may be a centrifugal fan or an axial fan. Of course, the above-mentioned air injection device 2 may be other devices capable of generating air flow or other devices.
Example 2
The present embodiment provides an embodiment of an auxiliary brake system for a vehicle, in which the auxiliary brake system for a vehicle includes the auxiliary brake device for a vehicle described above.
Specifically, the auxiliary brake system of the vehicle is configured to activate the air injection device 2 upon receipt of a braking command of the vehicle. The braking instruction of the vehicle may be a braking signal received by a brake pedal when a driver steps on the brake pedal, or a braking signal obtained by processing information provided by a millimeter wave radar, a laser radar, a GPS, or a camera by a vehicle control system, for example, a target position detected by the laser radar is within a braking range threshold of the vehicle, or a signal requiring braking of the vehicle, such as a road condition information acquired by the GPS being in a curve.
Example 3
The embodiment provides an embodiment of an electric vehicle, and in the embodiment, the electric vehicle comprises the vehicle auxiliary braking system.
Specifically, the auxiliary braking device of the electric automobile is assembled on the electric automobile. The air injection device 2 can be electrically connected with an Electronic Control Unit (ECU) of the automobile, so that the auxiliary braking system of the automobile is electrically connected with the ECU of the automobile, and the ECU can Control the auxiliary braking system of the automobile to start so as to perform auxiliary braking in the braking process of the automobile. Of course, it is also possible to electrically connect the air injection device 2 to an auxiliary brake switch provided separately on the vehicle, so that the activation of the auxiliary brake system can be controlled by the driver himself.
Specifically, the air injector 2 is electrically connected to an ECU or an auxiliary brake switch of the automobile through a wire harness 4.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An auxiliary brake apparatus for a vehicle, comprising:
the front protection body is provided with at least one air hole, and the air outlet end of the air hole is configured to face the forward direction of the automobile;
the air injection device is used for providing air when an automobile is braked, and an air outlet end of the air injection device is communicated with an air inlet end of the air hole; the air holes are used for ejecting gas provided by the air ejecting device to generate force opposite to the advancing direction of the automobile.
2. The auxiliary brake device of claim 1, further comprising an air guide hood, wherein an air inlet of the air guide hood is communicated with an air outlet of the air injection device, an air outlet of the air guide hood is communicated with an air inlet of the plurality of air holes, and the air injection device supplies air to the plurality of air holes through the air guide hood.
3. The auxiliary brake apparatus for vehicle as claimed in claim 2, wherein the cross-sectional area of the air guide cover is gradually increased from the air inlet to the air outlet.
4. The auxiliary braking apparatus for vehicle according to claim 2, wherein the air inlet and the air outlet of the air guide cover are disposed to face each other.
5. The auxiliary brake apparatus for vehicle as claimed in claim 2, wherein a plurality of the air holes are uniformly distributed on the front fender body.
6. The auxiliary brake apparatus for vehicle as claimed in claim 1, wherein the air hole is a straight hole.
7. An auxiliary brake apparatus for a vehicle according to any one of claims 1 to 6, wherein the air-jet unit is a gas generator.
8. An auxiliary brake apparatus for a vehicle according to any one of claims 1 to 6, wherein the air jet unit is a fan.
9. An auxiliary brake system for a vehicle, comprising an auxiliary brake apparatus for a vehicle according to any one of claims 1 to 7.
10. An electric vehicle characterized by comprising the vehicle auxiliary brake system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222378066.7U CN218287711U (en) | 2022-09-07 | 2022-09-07 | Auxiliary braking device of automobile, automobile auxiliary braking system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222378066.7U CN218287711U (en) | 2022-09-07 | 2022-09-07 | Auxiliary braking device of automobile, automobile auxiliary braking system and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN218287711U true CN218287711U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222378066.7U Active CN218287711U (en) | 2022-09-07 | 2022-09-07 | Auxiliary braking device of automobile, automobile auxiliary braking system and electric automobile |
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| CN (1) | CN218287711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220187447A1 (en) * | 2020-12-11 | 2022-06-16 | Continental Automotive Systems, Inc. | Imaging sensor air shield |
-
2022
- 2022-09-07 CN CN202222378066.7U patent/CN218287711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220187447A1 (en) * | 2020-12-11 | 2022-06-16 | Continental Automotive Systems, Inc. | Imaging sensor air shield |
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