CN210526335U - Battery control system and electric motorcycle - Google Patents
Battery control system and electric motorcycle Download PDFInfo
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- CN210526335U CN210526335U CN201921648896.9U CN201921648896U CN210526335U CN 210526335 U CN210526335 U CN 210526335U CN 201921648896 U CN201921648896 U CN 201921648896U CN 210526335 U CN210526335 U CN 210526335U
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- power supply
- battery management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a battery control system, including battery management system BMS, be equipped with the reserve power supply circuit and the alarm of first normally open switch, based on this battery control system, the alarm is reported to the police when battery management system BMS breaks down, the user can guarantee through the first normally open switch of closure that load circuit passes through the power supply of reserve power supply circuit, emergency for the user reply battery management system BMS trouble provides reaction time, avoid leading to the safety problem that the complete machine forced down electricity caused under the circumstances of the electricity under the equipment inadmissible circumstances, the equipment safety factor has been improved. The utility model also discloses an electric motorcycle car has above-mentioned beneficial effect.
Description
Technical Field
The utility model relates to a battery technology field, in particular to battery control system and electric motorcycle car.
Background
The battery Management system BMS (Battery Management System) is a link between a battery and a user/load, can be used for electric automobiles, battery cars, robots, unmanned aerial vehicles and the like, is used for protecting the charging and discharging overvoltage, overcurrent and other threshold values of equipment batteries at different temperatures, can ensure that the batteries are in a safe working range under different working conditions, triggers protection when a certain parameter of the batteries reaches a threshold protection point, and ensures the safety of equipment operation.
Extreme abnormal conditions appear in battery management system BMS self, if conditions such as MCU damage, other core components and parts damage or battery management system BMS board burn out can lead to the equipment complete machine to force down the electricity to avoid equipment to appear the incident under the battery-free management system BMS supervision condition, could power up after the trouble is relieved. However, in some working conditions, such as when the electric vehicle runs through a slope or a traffic jam area, the forced power-off of the whole vehicle can also cause a safety accident.
How to solve the safety problem caused by the fact that the battery management system BMS is in failure and the whole machine is forced to be powered down under the condition that the equipment is not allowed to be powered down is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery control system and electric motorcycle car for avoid under the circumstances of the electricity under the equipment inadmissibility battery management system BMS trouble lead to the complete machine to force the safety problem that the electricity caused down, improve equipment factor of safety in the aspect of the follow battery.
In order to solve the technical problem, the utility model provides a battery control system, which comprises a battery management system BMS, a standby power supply circuit provided with a first normally open switch and an alarm;
wherein a first terminal of the battery management system BMS is connected to a battery, and a second terminal of the battery management system BMS is connected to a load circuit; the first end of the standby power supply circuit is connected with the battery, the second end of the standby power supply circuit is connected with the load circuit, and when the first normally-open switch is closed, the battery is communicated with the load circuit through the standby power supply circuit and the battery is communicated with the alarm through the standby power supply circuit; the alarm is also connected with the battery management system BMS and used for giving an alarm when the battery management system BMS breaks down.
Optionally, the load circuit specifically includes a motor controller and a motor, a first end of the motor controller is connected to a second end of the battery management system BMS and a second end of the backup power supply circuit, respectively, and a second end of the motor controller is connected to the motor;
correspondingly, the standby power supply circuit further comprises a current limiter, a first end of the first normally-open switch is connected with a second end of the battery, a first end of the current limiter is connected with a second end of the first normally-open switch, and a second end of the current limiter is connected with a first end of the motor controller.
Optionally, the motor controller further comprises a second normally open switch arranged between the current limiter and the motor controller.
Optionally, the first normally open switch and the second normally open switch are both double-pole double-throw switches.
Optionally, the alarm specifically includes at least one of a buzzer, a voice alarm and an audible-visual alarm.
Optionally, the battery management system further comprises a controller connected to the battery management system BMS;
correspondingly, the first normally open switch is specifically an electronic switch; the controller is used for controlling the first normally open switch to be closed when the battery management system BMS fails.
Optionally, the first normally open switch is specifically a relay or a switch tube.
Optionally, the emergency power supply system further comprises an intelligent electric energy meter for detecting the power supply amount of the standby power supply circuit, and a normally closed switch connected with the intelligent electric energy meter and connected in series with the first normally open switch;
the intelligent electric energy meter is used for controlling the normally closed switch to be switched off when the detected electric quantity reaches a preset threshold value.
Optionally, the battery management system further comprises a wireless communicator connected with the battery management system BMS and used for communicating with an upper computer.
In order to solve the technical problem, the utility model also provides an electric motorcycle car, include above-mentioned arbitrary one battery control system.
The utility model provides a battery control system, which comprises a battery management system BMS, a standby power supply circuit provided with a first normally open switch and an alarm; the first end of the battery management system BMS is connected with the battery, and the second end of the battery management system BMS is connected with the load circuit; when the first normally-open switch is closed, the battery is communicated with the load circuit through the standby power supply circuit, and the battery is communicated with the alarm through the standby power supply circuit; the alarm is also connected with the battery management system BMS and used for giving an alarm when the battery management system BMS breaks down. Based on the utility model provides a battery control system, battery management system BMS alarm reports to the police when breaking down, and the user can guarantee through the first normally open switch of closure that load circuit passes through the power supply of reserve supply circuit, provides reaction time for the emergency that the user dealt with battery management system BMS trouble, avoids leading to the complete machine to force the safety problem that the electricity caused down under the circumstances of the electricity under the equipment inadmissible, has improved equipment factor of safety. The utility model also provides an electric motorcycle car has above-mentioned beneficial effect, no longer gives unnecessary details here.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained from the drawings without inventive work.
Fig. 1 is a schematic structural diagram of a battery control system according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a battery control system according to an embodiment of the present invention.
Detailed Description
The core of the utility model is to provide a battery control system and electric motorcycle car for avoid under the circumstances of the electricity under the equipment inadmissible battery management system BMS trouble lead to the complete machine to force the safety problem that the electricity caused down, improve equipment factor of safety in the aspect of the follow battery.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a battery control system according to an embodiment of the present invention.
As shown in fig. 1, the battery control system provided by the embodiment of the present invention includes a battery management system BMS 10, a standby power supply circuit 20 provided with a first normally open switch 201, and an alarm 30;
wherein a first terminal of the battery management system BMS 10 is connected to the battery, and a second terminal of the battery management system BMS 10 is connected to the load circuit; the first end of the standby power supply circuit 20 is connected with the battery, the second end of the standby power supply circuit 20 is connected with the load circuit, and when the first normally-open switch 201 is closed, the battery is communicated with the load circuit through the standby power supply circuit 20 and the battery is communicated with the alarm 30 through the standby power supply circuit 20; the alarm 30 is also connected to the battery management system BMS 10 for alarming when the battery management system BMS 10 malfunctions.
In a specific implementation, the backup power supply circuit 20 is designed according to the composition of the load circuit, and the first normally-closed switch is used to realize that the load circuit is directly connected to the battery by skipping the battery management system BMS 10. The first normally open switch 201 may be a single pole single throw switch, a double pole double throw switch, or the like, according to the connection manner of the battery and the battery management system BMS 10.
In some equipment, battery management system BMS 10 has control complete machine light flashing or controlgear panel board functions such as report to the police when breaking down, consequently the embodiment of the utility model provides a battery control system can also include the communication line that is used for communicating with well accuse that is connected with battery management system BMS 10, and the communication mode of well accuse specifically can adopt 2G communicator, 4G communicator, Wi-Fi communicator etc..
The alarm 30 may be hung on a communication line for communication with the battery management system BMS 10, and alarm when a failure of the battery management system BMS 10 is detected. The specific implementation of the alarm 30 detecting the fault of the battery management system BMS 10 may be to determine whether a heartbeat signal from the battery management system BMS 10 is received regularly, and if not, trigger an alarm; it is also possible to trigger an alarm when a fault signal is received from the battery management system BMS 10. The alarm 30 may specifically include a buzzer, an audible alarm 30, an audible and visual alarm 30, and the like. It should be noted that the alarm 30 should be provided with an emergency power supply device to avoid that the battery management system BMS 10 fails and the connection between the battery and the load circuit is disconnected, so that the alarm cannot be normally given.
Further, the embodiment of the utility model provides a battery control system can also include be connected with battery management system BMS 10 be used for with the wireless communication ware of host computer communication for report the condition of battery management system BMS 10 trouble to the host computer in order to carry out remote monitoring. The wireless communicator can specifically adopt a GPRS communicator, a 4G communicator, a Wi-Fi communicator and the like.
In practical application, when the battery management system BMS 10 is about to perform logic power down due to a failure, the alarm 30 sends an alarm prompt to a user, and the user closes the first normally open switch 201 to supply power to a load circuit of the device by using the standby power supply circuit 20, so as to ensure that emergency measures are performed.
The embodiment of the utility model provides a battery control system, including battery management system BMS, the reserve power supply circuit and the alarm that are equipped with first normally open switch; the first end of the battery management system BMS is connected with the battery, and the second end of the battery management system BMS is connected with the load circuit; when the first normally-open switch is closed, the battery is communicated with the load circuit through the standby power supply circuit, and the battery is communicated with the alarm through the standby power supply circuit; the alarm is also connected with the battery management system BMS and used for giving an alarm when the battery management system BMS breaks down. Based on the utility model provides a battery control system, battery management system BMS alarm reports to the police when breaking down, and the user can guarantee through the first normally open switch of closure that load circuit passes through the power supply of reserve supply circuit, provides reaction time for the emergency that the user dealt with battery management system BMS trouble, avoids leading to the complete machine to force the safety problem that the electricity caused down under the circumstances of the electricity under the equipment inadmissible, has improved equipment factor of safety.
Fig. 2 is a circuit diagram of a battery control system according to an embodiment of the present invention.
On the basis of the above embodiments, the embodiments of the present invention provide another specific implementation manner of a battery control system. As shown in fig. 2, in the battery control system provided in the embodiment of the present invention, the load circuit specifically includes a motor controller and a motor, a first end of the motor controller is connected to a second end of the battery management system BMS 10 and a second end of the standby power supply circuit 20, respectively, and a second end of the motor controller is connected to the motor;
correspondingly, the standby power supply circuit 20 further includes a current limiter 202, a first end of the first normally-open switch 201 is connected to a second end of the battery, a first end of the current limiter 202 is connected to a second end of the first normally-open switch 201, and a second end of the current limiter 202 is connected to a first end of the motor controller.
In a battery system represented by an electric motorcycle as shown in fig. 2, a battery PACK (battery PACK) is configured by connecting individual battery cells (B0, … … Bn) in series and packaging them together, and then providing an appropriate battery management system BMS 10. The battery management system BMS 10 is used as a core component of a whole vehicle, the collection of single cell voltage of a battery cell, the collection of temperature and the like are realized through terminals such as T0 and … … Tn, the indexes of overhigh and overlow voltage of the single cell, overhigh and overlow total voltage, charging and discharging overcurrent, threshold protection of different temperatures and the like are monitored, when the battery management system BMS 10 is not extremely abnormal, the battery management system BMS 10 supplies power to a normal loop between a P-terminal and a motor controller through a B + terminal, a B-terminal of the battery management system BMS 10 is directly connected to a negative electrode of the cell, and the battery management system BMS 10 controls the on-off of a power supply loop of the battery management system BMS 10 through controlling the on-off between the B-terminal and. The output terminal of the battery management system BMS 10 is connected to a first terminal of the motor controller, and a second terminal of the motor controller is connected to the three-phase motor M. The battery management system BMS 10 is communicated with the whole vehicle network through two communication lines (communication _1 and communication _2), normally transmits current information of a battery pack to each part of the whole vehicle, when the BMS is damaged, the battery pack is out of communication, at the moment, the state of the whole vehicle can be uploaded to an instrument, a user is prompted, light of the whole vehicle is lightened, meanwhile, an alarm 30 gives an abnormal alarm prompt, and if the whole vehicle supports the vehicle network, the battery management system BMS can also upload to a client through a GPS/Beidou.
The embodiment of the present invention provides a backup power supply circuit 20 of a battery control system, which further includes a current limiter 202 for limiting the current, wherein the selection of the current limiter 202 is determined according to the power of the electric equipment of the whole vehicle. As in the devices typified by the electric motorcycle described above, the current limiter 202 needs to be selected with reference to the rated current or rated power of the motor controller to avoid burning out the motor controller. The current limiter 202 may be a current limiting resistor or the like. The current limiter 202 is disposed between the battery and the motor controller, and may be located at the front end of the first normally-open switch 201 or at the rear end of the first normally-open switch 201.
Further, for avoiding the influence of current limiter 202 to the front and back circuit under the normal operating condition of equipment, as shown in fig. 2, with locate the first normally open switch 201 cooperation between battery and current limiter 202, the embodiment of the utility model provides a battery control system can also be including locating the second normally open switch 203 between current limiter 202 and the machine controller. The first normally open switch 201 and the second normally open switch 203 may be double-pole double-throw switches.
On the basis of the above embodiment, in the battery control system provided in the embodiment of the present invention, the standby power supply circuit 20 further includes a controller connected to the battery management system BMS 10;
correspondingly, the first normally open switch 201 is specifically an electronic switch; the controller is used to control the first normally open switch 201 to be closed when the battery management system BMS 10 fails.
For avoiding the action that the user can not in time make the switching supply circuit when battery management system BMS 10 trouble leads to the complete machine to promptly power off, in the embodiment of the utility model provides an among the battery control system, reserve supply circuit 20 can also include the controller of being connected with battery management system BMS 10, wherein, first normally open switch 201 adopts electronic switch, and the controller is through communicating with battery management system BMS 10 or learn battery management system BMS 10's fault situation back through detection circuitry, and the first normally open switch 201 of control is closed, guarantees the reserve power supply of complete machine.
In a specific implementation, the first normally open switch 201 may specifically employ a relay or a switch tube.
Furthermore, in order to avoid the situation that the equipment is in a dangerous state without being monitored by the battery management system BMS 10 for a long time due to the fact that the equipment is powered by the standby power supply circuit 20 for a long time, the battery control system provided by the embodiment of the present invention may further include an intelligent electric energy meter for detecting the power supply amount of the standby power supply circuit 20, and a normally closed switch connected with the intelligent electric energy meter and connected with the first normally open switch 201 in series;
the intelligent electric energy meter is used for controlling the normally closed switch to be switched off when the detected electric quantity reaches a preset threshold value.
The electric quantity on the standby power supply circuit 20 is counted by the intelligent electric energy meter, the normally-closed switch is controlled to be switched off when the electric quantity reaches a preset threshold value, the complete machine is forced to be powered off after the battery management system BMS 10 fails, and a user is prevented from using the standby power supply circuit 20 for a long time to supply power for equipment under the dangerous state of the battery management system BMS 10 failure.
Similarly, a timer may be further used to start timing after the first normally open switch 201 is closed, and when the preset time is reached, the controller controls the normally closed switch to be turned off.
The above has detailed each embodiment that the battery control system corresponds, on this basis, the utility model discloses still disclose the electric motorcycle that corresponds with above-mentioned battery control system, this electric motorcycle can include the battery control system of any above-mentioned embodiment, therefore its specific implementation can refer to the description of the embodiment of battery control system part, and the repetition is not repeated here for the moment.
It is right above that the utility model provides a battery control system and electric motorcycle car have carried out detailed introduction. The embodiments are described in a progressive manner, the emphasis of each embodiment is different from that of other embodiments, and the same and similar parts among the embodiments are referred to each other.
It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A battery control system is characterized by comprising a battery management system BMS, a standby power supply circuit provided with a first normally open switch and an alarm;
wherein a first terminal of the battery management system BMS is connected to a battery, and a second terminal of the battery management system BMS is connected to a load circuit; the first end of the standby power supply circuit is connected with the battery, the second end of the standby power supply circuit is connected with the load circuit, and when the first normally-open switch is closed, the battery is communicated with the load circuit through the standby power supply circuit and the battery is communicated with the alarm through the standby power supply circuit; the alarm is also connected with the battery management system BMS and used for giving an alarm when the battery management system BMS breaks down.
2. The battery control system according to claim 1, wherein the load circuit comprises a motor controller and a motor, a first end of the motor controller is connected to a second end of the battery management system BMS and a second end of the backup power supply circuit, respectively, and a second end of the motor controller is connected to the motor;
correspondingly, the standby power supply circuit further comprises a current limiter, a first end of the first normally-open switch is connected with a second end of the battery, a first end of the current limiter is connected with a second end of the first normally-open switch, and a second end of the current limiter is connected with a first end of the motor controller.
3. The battery control system of claim 2, further comprising a second normally open switch disposed between the current limiter and the motor controller.
4. The battery control system of claim 3, wherein the first and second normally open switches are double pole double throw switches.
5. The battery control system of claim 1, wherein the alarm specifically comprises at least one of a buzzer, a voice alarm, and an audible-visual alarm.
6. The battery control system according to claim 1, further comprising a controller connected to the battery management system BMS;
correspondingly, the first normally open switch is specifically an electronic switch; the controller is used for controlling the first normally open switch to be closed when the battery management system BMS fails.
7. The battery control system according to claim 6, wherein the first normally open switch is embodied as a relay or a switch tube.
8. The battery control system according to claim 6, further comprising an intelligent power meter for detecting the power supply amount of the backup power supply circuit, and a normally closed switch connected to the intelligent power meter and connected in series with the first normally open switch;
the intelligent electric energy meter is used for controlling the normally closed switch to be switched off when the detected electric quantity reaches a preset threshold value.
9. The battery control system according to claim 1, further comprising a wireless communicator connected to the battery management system BMS for communicating with an upper computer.
10. An electric motorcycle characterized by comprising the battery control system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648896.9U CN210526335U (en) | 2019-09-29 | 2019-09-29 | Battery control system and electric motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648896.9U CN210526335U (en) | 2019-09-29 | 2019-09-29 | Battery control system and electric motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210526335U true CN210526335U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921648896.9U Active CN210526335U (en) | 2019-09-29 | 2019-09-29 | Battery control system and electric motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210526335U (en) |
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2019
- 2019-09-29 CN CN201921648896.9U patent/CN210526335U/en active Active
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