CN212289789U - Vehicle-mounted inflating pump system and electric automobile - Google Patents
Vehicle-mounted inflating pump system and electric automobile Download PDFInfo
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- CN212289789U CN212289789U CN202021271889.4U CN202021271889U CN212289789U CN 212289789 U CN212289789 U CN 212289789U CN 202021271889 U CN202021271889 U CN 202021271889U CN 212289789 U CN212289789 U CN 212289789U
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Abstract
The embodiment of the application provides a vehicle-mounted inflating pump system, a vehicle-mounted inflating pump work control method and an electric automobile. On-vehicle inflating pump system is arranged in electric automobile, includes: the system comprises a vehicle-mounted inflating pump, a vehicle-mounted controller, a dryer, an inflating pump temperature switch and a dryer pressure switch; the vehicle-mounted inflating pump is used for inflating a brake loop of the electric automobile, the dryer is arranged on the brake loop, the inflating pump temperature switch is arranged in the vehicle-mounted inflating pump, the dryer pressure switch is arranged in the dryer, the dryer pressure switch and the inflating pump temperature switch are respectively connected with the vehicle-mounted controller, and the vehicle-mounted controller is connected with the vehicle-mounted inflating pump; and the vehicle-mounted controller is used for controlling the vehicle-mounted inflating pump to perform inflating operation when the inflating pump temperature switch is in a conducting state and the dryer pressure switch is in a conducting state.
Description
Technical Field
The application relates to the technical field of electric automobiles, in particular to a vehicle-mounted inflating pump system and an electric automobile.
Background
The brake circuit of the large-sized electric automobile mainly depends on air braking, and the control method of the vehicle-mounted inflating pump directly controls the work only by collecting an air pressure value collected by a dryer pressure switch in the brake circuit as a reference. The dryer pressure switch has poor working environment and often fails or breaks down, so that the vehicle-mounted controller receives wrong information to control the vehicle-mounted inflating pump to work. In actual conditions, when the air pump needs to work, the air pump does not work, and the vehicle cannot run; or the air pump can not stop after the air chamber of the brake circuit is full and the overload work causes the damage of the air pump, and the like, thereby causing safety accidents.
Therefore, the prior art has defects and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a vehicle-mounted inflating pump system and an electric automobile, which can avoid further damage of parts and safety accidents of vehicles in the using process caused by failure of an air pressure sensor.
In a first aspect, an embodiment of the present application provides an on-vehicle pump system that inflates, is used in an electric vehicle, and includes: the system comprises a vehicle-mounted inflating pump, a vehicle-mounted controller, a dryer, an inflating pump temperature switch and a dryer pressure switch;
the vehicle-mounted inflating pump is used for inflating a brake loop of the electric automobile, the dryer is arranged on the brake loop, the inflating pump temperature switch is arranged in the vehicle-mounted inflating pump, the dryer pressure switch is arranged in the dryer, the dryer pressure switch and the inflating pump temperature switch are respectively connected with the vehicle-mounted controller, and the vehicle-mounted controller is connected with the vehicle-mounted inflating pump;
and the vehicle-mounted controller is used for controlling the vehicle-mounted inflating pump to perform inflating operation when the inflating pump temperature switch is in a conducting state and the dryer pressure switch is in a conducting state.
Optionally, in the vehicle-mounted pump system according to the embodiment of the present application, the vehicle-mounted pump system further includes a first air pressure sensor and a second air pressure sensor;
the first air pressure sensor and the second air pressure sensor are arranged in the air cylinder at intervals, and the first air pressure sensor and the second air pressure sensor are respectively connected with the vehicle-mounted controller.
Optionally, in the vehicle-mounted inflation pump system according to the embodiment of the present application, the system further includes an instrument for displaying detection results of the first barometric pressure sensor and the second barometric pressure sensor, and the first barometric pressure sensor and the second barometric pressure sensor are connected to the vehicle-mounted controller through the instrument.
Optionally, in the vehicle-mounted pump system according to the embodiment of the present application, the vehicle-mounted pump system further includes a first resistor and a second resistor;
two ends of the first resistor and the second resistor are respectively connected to form a signal transmission line;
the instrument passes through signal transmission line with vehicle-mounted controller is connected, vehicle-mounted controller passes through transmission line with vehicle-mounted inflating pump is connected.
Optionally, in the vehicle-mounted pump system according to the embodiment of the present application, when the pressure difference value Δ P collected by the meter and fed back by the first pressure sensor and the second pressure sensor is greater than a preset value, and the output accuracy of the first pressure sensor and the output accuracy of the second pressure sensor are faulty, a fault alarm signal is generated.
Optionally, in the vehicle-mounted inflation pump system according to the embodiment of the present application, the air pressure difference Δ P is 3 bar.
In a second aspect, the embodiment of the present application further provides an electric vehicle, including any one of the above vehicle-mounted inflation pump systems.
In a second aspect, an embodiment of the present application further provides a method for controlling an operation of an on-vehicle pump system, where the method includes:
after the vehicle is successfully powered on, the vehicle-mounted controller acquires the state of a temperature switch of the inflating pump and the state of a pressure switch of a dryer in the dryer mechanism after receiving the self-checking completion of the vehicle-mounted inflating pump, and when the state of the temperature switch of the inflating pump and the state of the pressure switch of the dryer are both in a closed state, the vehicle-mounted controller sends an instruction for controlling the vehicle-mounted inflating pump to work;
when any one of the pressure switch of the dryer and the temperature switch of the inflating pump is in an open state, the vehicle-mounted controller sends an instruction for stopping the vehicle-mounted inflating pump;
when the vehicle runs, the air pressure in a vehicle braking loop is gradually reduced, and when the lower limit value of the air pressure is reached, the dryer pressure switch is closed, and the vehicle-mounted controller sends a working instruction for controlling the vehicle-mounted inflating pump.
Optionally, in the method for controlling operation of an on-vehicle inflation pump according to the embodiment of the present application, the method further includes:
and if the vehicle-mounted controller detects that the temperature switch state of the inflating pump is in a disconnection state, outputting a prompt signal of abnormal temperature of the vehicle-mounted inflating pump, and stopping the vehicle-mounted inflating pump.
If the instrument collects that the full setting of the air pressure value data of the first air pressure sensor and the second air pressure sensor in the inflating process of the vehicle-mounted inflating pump exceeds a preset time or the data fed back by the first air pressure sensor and the second air pressure sensor is more than 3bar, the vehicle-mounted controller reports fault prompt signals of the first air pressure sensor and the second air pressure sensor;
if the first air pressure sensor and the second air pressure sensor have no faults before the vehicle-mounted controller controls the vehicle-mounted inflating pump to work, and the state of the pressure switch of the dryer collected by the vehicle-mounted controller is inconsistent with the range of the real-time air pressure value fed back by the instrument, the vehicle-mounted controller reports an abnormal alarm signal of the dryer;
if the vehicle-mounted controller acquires that the air pressure value reported by the instrument is larger than 12bar and the state of the pressure switch of the dryer is inconsistent with the range of the real-time air pressure value fed back by the instrument when the vehicle-mounted controller controls the vehicle-mounted inflating pump to work, the vehicle-mounted controller sends a command for stopping the vehicle-mounted inflating pump to work and reports an abnormal alarm signal of the dryer.
As can be seen from the above, in the embodiment of the application, the vehicle-mounted inflation pump is used for inflating the brake loop of the electric vehicle, the dryer is arranged on the brake loop, the inflation pump temperature switch is arranged in the vehicle-mounted inflation pump, the dryer pressure switch is arranged in the dryer, the dryer pressure switch and the inflation pump temperature switch are respectively connected with the vehicle-mounted controller, and the vehicle-mounted controller is connected with the vehicle-mounted inflation pump; the vehicle-mounted controller is used for controlling the vehicle-mounted inflating pump to perform inflating operation when the inflating pump temperature switch is in a conducting state and the dryer pressure switch is in a conducting state; further damage to parts and safety accidents of the vehicle in the using process caused by failure of the air pressure sensor can be avoided.
Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a vehicle-mounted inflation pump system according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle-mounted inflation pump system according to some embodiments of the present disclosure. This on-vehicle inflating pump system is arranged in electric automobile, includes: an on-board inflation pump 10, an on-board controller 20, a dryer 30, an inflation pump temperature switch 50, and a dryer pressure switch 40.
The vehicle-mounted inflation pump 10 is used for inflating a brake circuit of the electric vehicle, the dryer 30 is arranged on the brake circuit, the inflation pump temperature switch 50 is arranged in the vehicle-mounted inflation pump 10, the dryer pressure switch 40 is arranged in the dryer 30, the dryer pressure switch 40 and the inflation pump temperature switch 50 are respectively connected with the vehicle-mounted controller 20, and the vehicle-mounted controller 20 is connected with the vehicle-mounted inflation pump 10; the vehicle-mounted controller 20 is configured to control the vehicle-mounted inflation pump 10 to perform an inflation operation when the inflation pump temperature switch 50 is in an on state and the dryer pressure switch 40 is in an on state.
The vehicle-mounted controller 20 analyzes and processes the acquired state data of the key components in the brake circuit and then controls the vehicle-mounted inflating pump 10 to work, thereby effectively avoiding further damage of the components and safety accidents of the vehicle in the using process caused by component failure.
When the dryer pressure switch 40 in the dryer is closed, the dryer is in a connected state, which indicates that the brake circuit of the vehicle needs external air source input; when the inflation pump temperature switch 50 in the vehicle-mounted inflation pump is in the closed state at normal temperature, the vehicle-mounted inflation pump 10 is in the allowable working state at this time.
Specifically, in some embodiments, the on-board inflation pump system further includes a first air pressure sensor 60 and a second air pressure sensor 70; the first air pressure sensor 60 and the second air pressure sensor 70 are disposed in the brake circuit at intervals, and the first air pressure sensor 60 and the second air pressure sensor 70 are connected to the on-vehicle controller 20, respectively.
Specifically, in some embodiments, the vehicle-mounted inflation pump system further includes a meter 80 for displaying the detection results of the first air pressure sensor 60 and the second air pressure sensor 70, and the first air pressure sensor 60 and the second air pressure sensor 70 are connected to the vehicle-mounted controller 20 through the meter 80. When the meter 80 collects data fed back by the first air pressure sensor 60 and the second air pressure sensor 70 and Δ P is less than 3bar, the data collected by the meter 80 is valid and the valid data is fed back to the vehicle-mounted controller 20 in real time.
If the data collected by the meter 80 and fed back by the first air pressure sensor 60 and the second air pressure sensor 70 are unchanged and are always in a maximum or minimum full state, reporting fault alarm signals of the first air pressure sensor 60 and the second air pressure sensor 70; and if the difference value delta P of the data fed back by the first air pressure sensor 60 and the second air pressure sensor 70 collected by the instrument is more than 3bar, indicating that the output precision of the air pressure sensor is in fault, reporting a fault alarm signal of the air pressure sensor.
When the vehicle-mounted controller 20 receives the fault information of the vehicle-mounted inflating pump 10, the vehicle-mounted controller 20 sends a fault signal of the vehicle-mounted inflating pump 10; when the vehicle-mounted controller 20 collects that the temperature switch state of the inflating pump is a suspension state, the vehicle-mounted controller 20 sends an instruction for stopping the vehicle-mounted inflating pump 10 and reports an abnormal signal of the vehicle-mounted inflating pump; when the vehicle-mounted controller 20 collects that the state of the dryer pressure switch R4 is inconsistent with the range of the real-time air pressure value fed back by the instrument, the vehicle-mounted controller 20 sends an instruction for stopping the operation of the vehicle-mounted inflating pump 10 and reports an abnormal alarm signal of the dryer;
if the air pressure sensor R3 or R6 is in a fault state, the data processing unit reports the fault of the air pressure sensor, but the control of the vehicle-mounted inflating pump 10 by the vehicle-mounted controller 20 is not influenced.
If the dryer pressure switch of the dryer is abnormal in the running process of the vehicle, and the data of the two air pressure sensors reported by the instrument 80 are both 12bar at the moment, the vehicle-mounted controller 10 stops the vehicle-mounted inflating pump 10 to report the dryer to be abnormal.
Optionally, in the system of the vehicle-mounted inflation pump 10 according to the embodiment of the present application, the system further includes a first resistor R1 and a second resistor R2; the two ends of the first resistor R1 and the second resistor R2 are respectively connected to form a signal transmission line 90; the meter 80 is connected to the vehicle-mounted controller 20 through the signal transmission line 90, and the vehicle-mounted controller 20 is connected to the vehicle-mounted inflation pump 10 through the signal transmission line 90.
Optionally, in the system of the vehicle-mounted inflation pump 10 according to the embodiment of the present application, when the instrument collects that an air pressure difference value Δ P fed back by the first air pressure sensor and the second air pressure sensor is greater than a preset value, and the output accuracy of the first air pressure sensor and the second air pressure sensor fails, a failure alarm signal is generated.
The implementation principle and the technical effect of the terminal device provided in the embodiment of the present application are the same as those of the foregoing display device embodiment, and for brief description, no mention is made in the embodiment of the terminal device, and reference may be made to the corresponding contents in the foregoing display device embodiment.
The embodiment of the application also provides an electric automobile, which comprises the vehicle-mounted inflating pump system.
As can be seen from the above, in the embodiment of the application, the vehicle-mounted inflation pump is used for inflating the brake loop of the electric vehicle, the dryer is arranged on the brake loop, the inflation pump temperature switch is arranged in the vehicle-mounted inflation pump, the dryer pressure switch is arranged in the dryer, the dryer pressure switch and the inflation pump temperature switch are respectively connected with the vehicle-mounted controller, and the vehicle-mounted controller is connected with the vehicle-mounted inflation pump; the vehicle-mounted controller is used for controlling the vehicle-mounted inflating pump to perform inflating operation when the inflating pump temperature switch is in a conducting state and the dryer pressure switch is in a conducting state; further damage to parts and safety accidents of the vehicle in the using process caused by failure of the air pressure sensor can be avoided.
The embodiment of the application further provides a work control method of the vehicle-mounted inflating pump, and the method is based on any one of the vehicle-mounted inflating pump system and comprises the following steps:
s101, after the vehicle is successfully powered on, the vehicle-mounted controller obtains the state of a temperature switch of the inflating pump and the state of a pressure switch of a dryer in the dryer mechanism after receiving the self-checking completion of the vehicle-mounted inflating pump, and when the state of the temperature switch of the inflating pump and the state of the pressure switch of the dryer are both in a closed state, the vehicle-mounted controller sends an instruction for controlling the vehicle-mounted inflating pump to work;
s102, when any one of a pressure switch of the dryer and a temperature switch of the inflating pump is in an open state, the vehicle-mounted controller sends an instruction for stopping the vehicle-mounted inflating pump;
s103, when the vehicle runs, the air pressure in a vehicle braking loop is gradually reduced, and when the lower limit value of the air pressure is reached, the pressure switch of the dryer is closed, and the vehicle-mounted controller sends a working instruction for controlling the vehicle-mounted inflating pump.
In some embodiments, the method further comprises the steps of:
and if the vehicle-mounted controller detects that the temperature switch state of the inflating pump is in a disconnection state, outputting a prompt signal of abnormal temperature of the vehicle-mounted inflating pump, and stopping the vehicle-mounted inflating pump.
If the instrument collects that the full setting of the air pressure value data of the first air pressure sensor and the second air pressure sensor in the inflating process of the vehicle-mounted inflating pump exceeds a preset time or the data fed back by the first air pressure sensor and the second air pressure sensor is more than 3bar, the vehicle-mounted controller reports fault prompt signals of the first air pressure sensor and the second air pressure sensor;
if the first air pressure sensor and the second air pressure sensor have no faults before the vehicle-mounted controller controls the vehicle-mounted inflating pump to work, and the state of the pressure switch of the dryer collected by the vehicle-mounted controller is inconsistent with the range of the real-time air pressure value fed back by the instrument, the vehicle-mounted controller reports an abnormal alarm signal of the dryer;
if the vehicle-mounted controller acquires that the air pressure value reported by the instrument is larger than 12bar and the state of the pressure switch of the dryer is inconsistent with the range of the real-time air pressure value fed back by the instrument when the vehicle-mounted controller controls the vehicle-mounted inflating pump to work, the vehicle-mounted controller sends a command for stopping the vehicle-mounted inflating pump to work and reports an abnormal alarm signal of the dryer.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. An on-vehicle inflating pump system for use in an electric vehicle, comprising: the system comprises a vehicle-mounted inflating pump, a vehicle-mounted controller, a dryer, an inflating pump temperature switch and a dryer pressure switch;
the vehicle-mounted inflating pump is used for inflating a brake loop of the electric automobile, the dryer is arranged on the brake loop, the inflating pump temperature switch is arranged in the vehicle-mounted inflating pump, the dryer pressure switch is arranged in the dryer, the dryer pressure switch and the inflating pump temperature switch are respectively connected with the vehicle-mounted controller, and the vehicle-mounted controller is connected with the vehicle-mounted inflating pump;
and the vehicle-mounted controller is used for controlling the vehicle-mounted inflating pump to perform inflating operation when the inflating pump temperature switch is in a conducting state and the dryer pressure switch is in a conducting state.
2. The vehicle mounted pump system of claim 1, further comprising a first air pressure sensor and a second air pressure sensor;
the first air pressure sensor and the second air pressure sensor are arranged in the air cylinder, and the first air pressure sensor and the second air pressure sensor are respectively connected with the vehicle-mounted controller.
3. The vehicle-mounted inflation pump system according to claim 2, further comprising a meter for displaying detection results of the first air pressure sensor and the second air pressure sensor, wherein the first air pressure sensor and the second air pressure sensor are connected to the vehicle-mounted controller through the meter.
4. The vehicle mounted pump system of claim 3, further comprising a first resistor and a second resistor;
two ends of the first resistor and the second resistor are respectively connected to form a signal transmission line;
the instrument passes through signal transmission line with vehicle-mounted controller is connected, vehicle-mounted controller passes through transmission line with vehicle-mounted inflating pump is connected.
5. The vehicle-mounted inflating pump system of claim 3, wherein when the pressure difference value Δ P fed back by the first pressure sensor and the second pressure sensor is acquired by the instrument and is greater than a preset value, the output accuracy of the first pressure sensor and the second pressure sensor is failed, and a failure alarm signal is generated.
6. An on-board inflator pump system according to claim 5, wherein the air pressure difference Δ P is 3 bar.
7. An electric vehicle comprising the on-board inflation pump system of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021271889.4U CN212289789U (en) | 2020-07-01 | 2020-07-01 | Vehicle-mounted inflating pump system and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021271889.4U CN212289789U (en) | 2020-07-01 | 2020-07-01 | Vehicle-mounted inflating pump system and electric automobile |
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| Publication Number | Publication Date |
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| CN212289789U true CN212289789U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021271889.4U Active CN212289789U (en) | 2020-07-01 | 2020-07-01 | Vehicle-mounted inflating pump system and electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806413A (en) * | 2020-07-01 | 2020-10-23 | 中植一客成都汽车有限公司 | Vehicle-mounted inflating pump system, vehicle-mounted inflating pump work control method and electric vehicle |
-
2020
- 2020-07-01 CN CN202021271889.4U patent/CN212289789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806413A (en) * | 2020-07-01 | 2020-10-23 | 中植一客成都汽车有限公司 | Vehicle-mounted inflating pump system, vehicle-mounted inflating pump work control method and electric vehicle |
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