CN110745070A - Charging alarm system and electric vehicle with same - Google Patents
Charging alarm system and electric vehicle with same Download PDFInfo
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- CN110745070A CN110745070A CN201810814413.1A CN201810814413A CN110745070A CN 110745070 A CN110745070 A CN 110745070A CN 201810814413 A CN201810814413 A CN 201810814413A CN 110745070 A CN110745070 A CN 110745070A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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Abstract
The invention provides a charging alarm system and an electric vehicle with the same, wherein the charging alarm system comprises a charging detection device, a first relay, a second relay and a pressure switch; the pressure switch is arranged at the driver seat and is closed when pressure is applied to the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, and a coil part of a second relay is connected with an ON fire switch of the electric vehicle; and the contact part of the first relay, the contact part of the second relay and the pressure switch are arranged in a power supply line of the alarm device in series. According to the technical scheme provided by the invention, the alarm device can send out an alarm signal when a driver is in a driver seat, an ON fire switch of a vehicle is closed and a charging gun is in place, so that the problem of poor reliability of the charging alarm device in the prior art is solved.
Description
Technical Field
The invention belongs to the technical field of electric vehicle charging control, and particularly relates to a charging alarm system and an electric vehicle with the same.
Background
The electric vehicle is a vehicle using a power battery as a power source, and has the advantages of cleanness, no pollution, low noise and the like compared with the traditional vehicle using an engine as a power source, and the electric vehicle is more and more popular with consumers nowadays when the traditional energy consumption is gradually increased and the environment is increasingly worsened.
The electric vehicle takes a power battery as a power source, and the power battery needs to be charged after the electric quantity stored by the power battery is used up. At present, a common charging method for a power battery is to connect a charging gun on a charging pile to a charging socket of a vehicle, and the charging gun charges the power battery after getting electricity from the charging pile.
However, in the charging process or after the charging is finished, a user often forgets to pull out the charging gun and directly starts the vehicle, so that the phenomenon of dragging the charging gun occurs, and even safety accidents are caused. Chinese patent No. CN201882014U discloses a charging safety warning device for plug-in hybrid electric vehicles, in which a buzzer is installed on the vehicle as a warning device, a key switch of the vehicle is installed on a power supply line of the buzzer, and the buzzer sends a warning signal when the vehicle is started to remind the driver to pull out the charging socket. However, such a device has poor reliability, and when the driver controls the key switch of the vehicle to be turned on or off due to an erroneous operation or the like, the warning device may give an erroneous warning signal.
Disclosure of Invention
The invention aims to provide a charging alarm system and an electric vehicle with the same, which are used for solving the problem of poor reliability of a charging safety warning device of the electric vehicle in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an electric vehicle with a charging alarm system comprises a power battery and the charging alarm system, wherein the charging alarm system comprises a charging detection device, a first relay, a second relay and a pressure switch; the pressure switch is arranged at the driver seat and is closed when pressure is applied to the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, and a coil part of a second relay is connected with an ON fire switch of the electric vehicle;
and the contact part of the first relay, the contact part of the second relay and the pressure switch are arranged in a power supply line of the alarm device in series.
According to the technical scheme provided by the invention, the pressure switch is arranged at the driver seat of the electric vehicle and is arranged in the power supply line of the alarm device, and the alarm device can send out an alarm signal when a driver is in the driver seat, the ON fire switch of the vehicle is closed and the charging gun is in place, so that the problem of poor reliability of the charging alarm device in the prior art is solved.
As a further improvement of the charging alarm system, the charging alarm system further comprises a third relay, a coil part of the third relay is connected in series in a power supply line of the alarm device, and a contact part is connected in parallel with the pressure switch.
As a further improvement to the alarm device, the alarm device is a buzzer or an indicator light or a display.
As a further improvement to the charge detection device, the charge detection device is a battery management system.
An electric vehicle with a charging alarm system comprises a power battery and the charging alarm system, wherein the charging alarm system comprises a charging detection device, a first relay, a second relay, a third relay and a pressure sensor; the pressure sensor is arranged at the driver seat and used for detecting the pressure on the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, a coil part of a second relay is connected with an ON fire switch of the electric vehicle, and the pressure sensor is connected with a coil part of a third relay;
and the contact part of the first relay, the contact part of the second relay and the contact part of the third relay are arranged in series in a power supply line of the alarm device.
According to the technical scheme provided by the invention, the pressure sensor is arranged at the driver seat of the electric vehicle, the pressure sensor is connected with the coil part of the third relay, the contact part of the third relay is arranged in the power supply line of the alarm device, and the alarm device can send out an alarm signal when a driver is in the driver seat, the ON fire switch of the vehicle is closed and the charging gun is in place, so that the problem of poor reliability of the charging alarm device in the prior art is solved.
As a further improvement of the charging alarm system, the charging alarm system further comprises a fourth relay, a coil part of the fourth relay is arranged in a power supply line of the alarm device in series, and a contact part of the fourth relay is connected with a contact part of the third relay in parallel.
As a further improvement to the alarm device, the alarm device is a buzzer or an indicator light or a display.
As a further improvement to the charge detection device, the charge detection device is a battery management system.
A charging alarm system comprises a charging detection device, a first relay, a second relay and a pressure switch; the pressure switch is arranged at the driver seat and is closed when pressure is applied to the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, and a coil part of a second relay is used for connecting an ON fire switch of the electric vehicle;
and the contact part of the first relay, the contact part of the second relay and the pressure switch are arranged in a power supply line of the alarm device in series.
As a further improvement of the charging alarm system, the charging alarm system further comprises a third relay, wherein a coil part of the third relay is connected in series in a power supply line of the alarm device, and a contact part is connected in parallel with the pressure switch.
As a further improvement to the alarm device, the alarm device is a buzzer or an indicator light or a display.
A charging alarm system comprises a charging detection device, a first relay, a second relay, a third relay and a pressure sensor; the pressure sensor is arranged at the driver seat and used for detecting the pressure on the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, a coil part of a second relay is used for being connected with an ON fire switch of the electric vehicle, and the pressure sensor is connected with a coil part of a third relay;
and the contact part of the first relay, the contact part of the second relay and the contact part of the third relay are arranged in series in a power supply line of the alarm device.
As a further improvement of the charging alarm system, the charging alarm system further comprises a fourth relay, wherein a coil part of the fourth relay is connected in series in a power supply line of the alarm device, and a contact part of the fourth relay is connected in parallel with a contact part of the third relay.
As a further improvement to the alarm device, the alarm device is a buzzer or an indicator light or a display.
Drawings
Fig. 1 is a schematic structural diagram of a charging alarm system in embodiment 1 of a vehicle;
fig. 2 is a schematic structural diagram of a charging alarm system in embodiment 2 of the vehicle.
Detailed Description
The invention aims to provide a charging alarm system and an electric vehicle with the same, which are used for solving the problem that a charging safety alarm device of the electric vehicle in the prior art sends out false alarm signals.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an electric vehicle with a charging alarm system comprises a power battery and the charging alarm system, wherein the charging alarm system comprises a charging detection device, a first relay and a pressure switch; the pressure switch is arranged at the driver seat and used for detecting the pressure on the driver seat; the charging detection device is used for detecting whether the electric vehicle is connected with the charging gun or not; the charging detection device is connected with a coil part of a first relay, and a contact part of the first relay and the pressure switch are connected in series in a power supply line of the alarm device.
The technical solution of the present invention will be further explained with reference to the specific embodiments.
Vehicle embodiment 1:
the embodiment provides an electric vehicle, including power battery and charging alarm system, after the rifle that charges inserts electric vehicle's socket, if the driver is in the driver's seat, charging alarm system just sends alarm signal, reminds the driver not to start this electric vehicle.
The electric vehicle provided by the embodiment, wherein the charging alarm system has a structure as shown in fig. 1, and includes an alarm device, a charging detection device and a pressure switch K1, the charging detection device is used for detecting whether a charging gun is connected with the electric vehicle, the pressure switch K1 is arranged at the driver seat, and when the driver seat is occupied by a person, the pressure switch K1 is closed, so that whether the driver seat is occupied by the person can be judged.
The charging alarm system is also provided with a first relay KM1, a second relay KM2 and a third relay KM3, wherein a coil part of the first relay KM1 is connected with a charging detection device, a coil part of the second relay KM2 is connected with an ON fire switch, and a contact part of the first relay KM1, a contact part of the second relay KM2, a pressure switch K1 and a coil part of the third relay KM3 are connected in series ON a line of the alarm device connected with a power supply E.
The alarm device in this embodiment may be a buzzer, an indicator light, a display, or an audible and visual alarm, and may send alarm information or prompt information for a user.
The contact part of the first relay KM1 was controlled to be closed by the coil part of the first relay KM1 when the charging detection means detected that the charging gun was inserted into the electric vehicle; when the driver turns ON the ON fire switch of the electric vehicle, the coil part of the second relay KM2 is energized and the contact part is closed; the pressure switch K1 is closed when the driver is seated on the driver's seat; when the contact part of the first relay KM1, the contact part of the second relay KM2 and the pressure switch K1 are all closed, it can be judged that there is a possibility that the driver starts the vehicle, and at this time, the alarm device is powered on to send out the alarm device. A rifle detection device that charges for detecting whether rifle is on position belongs to prior art, and the explanation is not done more here.
The contact point part of the third relay KM3 was disposed in parallel with the pressure switch K1, thereby forming an interlock circuit, and even if the driver left the driver's seat, the warning device could give a warning signal until the charging gun was removed from the electric vehicle or the ON fire switch of the electric vehicle was turned off; as another embodiment, if it is not necessary to give the warning signal when the driver leaves the driver's seat, the third relay KM3 may not be provided.
The charging detection device in this embodiment is a battery management system of the power battery, and when the charging gun is in place, the charging gun is in communication connection with the battery management system, so that the battery management system determines whether the charging gun is in place.
Vehicle embodiment 2:
the embodiment provides an electric vehicle, including power battery and charging alarm system, after the rifle that charges inserts electric vehicle's socket, if the driver is in the driver's seat, charging alarm system just sends alarm signal, reminds the driver not to start this electric vehicle.
The electric vehicle provided in the embodiment, wherein the charging alarm system has a structure as shown in fig. 2, and includes an alarm device, a charging detection device and a pressure sensor, the charging detection device is used for detecting whether a charging gun is connected to the electric vehicle, and the pressure sensor is arranged at the driver seat and is used for detecting the pressure on the driver seat.
The charging alarm system is also provided with a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM4, wherein a coil part of the first relay KM1 is connected with a charging detection device, a coil part of the second relay KM2 is connected with an ON fire switch, and a coil part of the third relay KM3 is connected with a pressure sensor; the contact portion of the first relay KM1, the contact portion of the second relay KM2, the contact portion of the third relay KM3 and the coil portion of the fourth relay KM4 were disposed in series on a line connecting the alarm device to the power source E.
The contact part of the first relay KM1 was controlled to be closed by the coil part of the first relay KM1 when the charging detection means detected that the charging gun was inserted into the electric vehicle; when the driver turns ON the ON fire switch of the electric vehicle, the coil part of the second relay KM2 is energized and the contact part is closed; when a driver sits on the driver seat, the pressure sensor detects a pressure signal and controls the contact part of the third relay K3 to close; when the contact part of the first relay KM1, the contact part of the second relay KM2 and the contact part of the third relay K3 are all closed, it can be judged that there is a possibility that the driver starts the vehicle, and at this time, the alarm device is powered on to emit the alarm device. A rifle detection device that charges for detecting whether rifle is on position belongs to prior art, and the explanation is not done more here.
The contact portion of the fourth relay KM4 was disposed in parallel with the contact portion of the third relay KM3, thereby forming an interlock circuit, and the warning device could give a warning signal until the charging gun was removed from the electric vehicle or the ON fire switch of the electric vehicle was turned off even if the driver left the driver's seat.
The alarm device in this embodiment may be a buzzer, an indicator light, a display, or an audible and visual alarm, and may send alarm information or prompt information for a user.
The charging detection device in this embodiment is a battery management system of the power battery, and when the charging gun is in place, the charging gun is in communication connection with the battery management system, so that the battery management system determines whether the charging gun is in place.
System example 1:
this embodiment provides a charging alarm system, which is the same as the charging alarm system in the above-described vehicle embodiment 1, and which has been described in detail in the above-described vehicle embodiment 1, and will not be described here much.
System example 2:
this embodiment provides a charging alarm system, which is the same as the charging alarm system in the above-described vehicle embodiment 2, and which has been described in detail in the above-described vehicle embodiment 2, and will not be described here much.
Claims (10)
1. The electric vehicle with the charging alarm system comprises a power battery and is characterized by further comprising the charging alarm system, wherein the charging alarm system comprises a charging detection device, a first relay, a second relay and a pressure switch; the pressure switch is arranged at the driver seat and is closed when pressure is applied to the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, and a coil part of a second relay is connected with an ON fire switch of the electric vehicle;
and the contact part of the first relay, the contact part of the second relay and the pressure switch are arranged in a power supply line of the alarm device in series.
2. An electric vehicle provided with a charging alarm system according to claim 1, characterized in that the charging alarm system further comprises a third relay, a coil part of which is arranged in series in a power supply line of the alarm device, and a contact part is arranged in parallel with the pressure switch.
3. An electric vehicle provided with a charging alarm system according to claim 1, wherein the alarm device is a buzzer or an indicator light or a display.
4. An electric vehicle provided with a charging alarm system according to claim 1, wherein the charging detection means is a battery management system.
5. An electric vehicle with a charging alarm system comprises a power battery and is characterized by further comprising the charging alarm system, wherein the charging alarm system comprises a charging detection device, a first relay, a second relay, a third relay and a pressure sensor; the pressure sensor is arranged at the driver seat and used for detecting the pressure on the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, a coil part of a second relay is connected with an ON fire switch of the electric vehicle, and the pressure sensor is connected with a coil part of a third relay;
and the contact part of the first relay, the contact part of the second relay and the contact part of the third relay are arranged in series in a power supply line of the alarm device.
6. An electric vehicle provided with a charging alarm system according to claim 5, characterized in that the charging alarm system further comprises a fourth relay, a coil part of which is arranged in series in a power supply line of the alarm device, and a contact part of which is arranged in parallel with a contact part of the third relay.
7. An electric vehicle provided with a charging alarm system according to claim 5, wherein the alarm device is a buzzer or an indicator light or a display.
8. An electric vehicle provided with a charging alarm system according to claim 5, wherein the charging detection means is a battery management system.
9. A charging alarm system is characterized by comprising a charging detection device, a first relay, a second relay and a pressure switch; the pressure switch is arranged at the driver seat and is closed when pressure is applied to the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, and a coil part of a second relay is used for connecting an ON fire switch of the electric vehicle;
and the contact part of the first relay, the contact part of the second relay and the pressure switch are arranged in a power supply line of the alarm device in series.
10. A charging alarm system is characterized by comprising a charging detection device, a first relay, a second relay, a third relay and a pressure sensor; the pressure sensor is arranged at the driver seat and used for detecting the pressure on the driver seat; the charging detection device is used for detecting whether the charging gun is in place or not; the charging detection device is connected with a coil part of a first relay, a coil part of a second relay is used for being connected with an ON fire switch of the electric vehicle, and the pressure sensor is connected with a coil part of a third relay;
and the contact part of the first relay, the contact part of the second relay and the contact part of the third relay are arranged in series in a power supply line of the alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814413.1A CN110745070A (en) | 2018-07-23 | 2018-07-23 | Charging alarm system and electric vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814413.1A CN110745070A (en) | 2018-07-23 | 2018-07-23 | Charging alarm system and electric vehicle with same |
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| Publication Number | Publication Date |
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| CN110745070A true CN110745070A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810814413.1A Pending CN110745070A (en) | 2018-07-23 | 2018-07-23 | Charging alarm system and electric vehicle with same |
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Citations (8)
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|---|---|---|---|---|
| JPH05178245A (en) * | 1991-12-27 | 1993-07-20 | Tokai Rika Co Ltd | Device for preventing key from being left in motorcycle |
| CN201882014U (en) * | 2010-11-15 | 2011-06-29 | 上海华普国润汽车有限公司 | Charging safety warning device of plug-in hybrid powered vehicle |
| CN202987060U (en) * | 2012-11-13 | 2013-06-12 | 管加团 | Car seat belt alarming device |
| CN204936847U (en) * | 2015-07-16 | 2016-01-06 | 安徽长乐新能源汽车有限公司 | Prevent the device that in process of charging, electronlmobil starts |
| CN105522923A (en) * | 2015-11-20 | 2016-04-27 | 浙江吉利控股集团有限公司 | Device and method for preventing mistaken start in automobile maintenance process |
| CN106427587A (en) * | 2016-12-21 | 2017-02-22 | 潍柴动力股份有限公司 | Starting preventing circuit and method applied in vehicle charging process and vehicle |
| CN206107232U (en) * | 2016-09-20 | 2017-04-19 | 安徽江淮银联重型工程机械有限公司 | Electric fork -lift holding brake alarm system |
| CN208715084U (en) * | 2018-07-23 | 2019-04-09 | 郑州宇通重工有限公司 | The alarm system that charges and the electric vehicle equipped with the system |
-
2018
- 2018-07-23 CN CN201810814413.1A patent/CN110745070A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05178245A (en) * | 1991-12-27 | 1993-07-20 | Tokai Rika Co Ltd | Device for preventing key from being left in motorcycle |
| CN201882014U (en) * | 2010-11-15 | 2011-06-29 | 上海华普国润汽车有限公司 | Charging safety warning device of plug-in hybrid powered vehicle |
| CN202987060U (en) * | 2012-11-13 | 2013-06-12 | 管加团 | Car seat belt alarming device |
| CN204936847U (en) * | 2015-07-16 | 2016-01-06 | 安徽长乐新能源汽车有限公司 | Prevent the device that in process of charging, electronlmobil starts |
| CN105522923A (en) * | 2015-11-20 | 2016-04-27 | 浙江吉利控股集团有限公司 | Device and method for preventing mistaken start in automobile maintenance process |
| CN206107232U (en) * | 2016-09-20 | 2017-04-19 | 安徽江淮银联重型工程机械有限公司 | Electric fork -lift holding brake alarm system |
| CN106427587A (en) * | 2016-12-21 | 2017-02-22 | 潍柴动力股份有限公司 | Starting preventing circuit and method applied in vehicle charging process and vehicle |
| CN208715084U (en) * | 2018-07-23 | 2019-04-09 | 郑州宇通重工有限公司 | The alarm system that charges and the electric vehicle equipped with the system |
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