CN218750325U - Safety controller for storage battery car - Google Patents
Safety controller for storage battery car Download PDFInfo
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- CN218750325U CN218750325U CN202223143674.6U CN202223143674U CN218750325U CN 218750325 U CN218750325 U CN 218750325U CN 202223143674 U CN202223143674 U CN 202223143674U CN 218750325 U CN218750325 U CN 218750325U
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- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a safety controller for a battery car, which comprises a shell, a circuit board arranged in the shell, and a pair of external temperature sensors connected with the circuit board through wires; the shell is provided with a power interface for connecting with a power circuit of the battery car, and the power interface comprises a power input interface and a power output interface; the circuit board is provided with a central processing module, a signal processing module, a power-on/power-off module, a communication module and a power supply conversion module which are connected with the central processing module; the signal processing module is connected with the temperature sensor and used for processing an electric signal generated by the temperature sensor; the power-on/power-off module is coupled between the power input interface and the power output interface. The safety controller can monitor the battery state of the battery car in real time, improves the safety of the battery car, and is convenient for workers to manage and maintain the battery car.
Description
Technical Field
The utility model relates to a storage battery car technical field especially relates to a safety controller for storage battery car.
Background
The battery car is a pure electric motor vehicle which is powered by a storage battery and driven by an electric motor (direct current, alternating current, series excitation and independent excitation). In recent years, the battery car gradually becomes an important transportation tool for citizens to go out by virtue of the advantages of economy, convenience and the like, and is widely popularized in China.
However, due to the structural characteristics of the battery, if the separator is unexpectedly damaged, the inside is short-circuited, causing internal heat accumulation, increasing the battery temperature, and causing a chain chemical reaction, resulting in a gradual increase in the battery temperature. When the temperature rises to a critical point, the battery can explode and burn, and the personal safety of a user is seriously threatened. The explosion of the battery occurs frequently during charging, but the battery may explode during the daily driving. In the prior art, the battery of the battery car which is being charged is generally detected through the charging pile, and the power failure treatment is carried out when the temperature of the battery is abnormal, so that the possibility of explosion of the battery car in operation or other states is difficult to avoid.
In daily life, people have some irregular behaviors of using and parking the battery cars. For example, batteries on the battery car are disassembled, the battery car is parked in an area with more people, the area of a safety channel is blocked, and the like, and all illegal behaviors can bring safety hidden dangers. In the prior art, the battery car needs to be manually patrolled, the workload is large, the labor cost is high, or the monitoring management of the battery car is realized through a system comprising a camera, a visual identification module, an audible and visual alarm, a network communication module, a rear-end platform and an intelligent terminal, but the management cost of the battery car is higher in the mode.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned technique, the to-be-solved technical problem of the utility model is: the safety controller is low in cost and capable of monitoring the battery state of the battery car in real time and giving corresponding alarm or power-off processing.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides a safety controller for a battery car, which comprises a shell, wherein a circuit board is arranged in the shell, and the safety controller also comprises a pair of external temperature sensors, and the temperature sensors are connected to the circuit board through wires; the shell is provided with a power interface for connecting with a power circuit of the battery car, and the power interface comprises a power input interface and a power output interface;
the circuit board is provided with a central processing module, and a signal processing module, a power-on/power-off module, a communication module and a power supply conversion module which are connected with the central processing module; wherein,
the signal processing module is connected with the temperature sensor and is used for processing an electric signal generated by the temperature sensor; the power on/off module is coupled between the power input interface and the power output interface.
Furthermore, the power input interface is used for connecting a power output end of a battery of the storage battery car, and the power output interface is used for connecting a power input end of the storage battery car controller.
Further, the circuit board comprises a control mainboard and an electric control mainboard which are connected with each other, and the power-on/power-off module 、 The power conversion module is arranged on the electric control mainboard, and the central processing module, the signal processing module and the communication module are arranged on the control mainboard.
Further, the temperature sensor is a thin film temperature measurement type thermistor.
Furthermore, still dispose GPS orientation module on the circuit board for fix a position the storage battery car.
Furthermore, a voltage detection module is further arranged on the circuit board and used for detecting the power supply voltage of the battery car.
Further, still be provided with stand-by power supply in the casing, stand-by power supply is used for supplying power for the circuit board when the storage battery car power supply stops supplying power.
Further, the communication module comprises one or all of a 2G/3G/4G/5G communication module or a WIFI module.
Furthermore, the 2G/3G/4G/5G communication module is also provided with an SIM card module.
Compared with the prior art, the utility model provides a safety control for storage battery car has following beneficial effect:
(1) Through setting up temperature sensor to and the signal processing module who is connected with temperature sensor, can carry out real-time supervision to the battery temperature of storage battery car, avoid accidents such as explosion of battery emergence.
(2) Through setting up GPS orientation module, acquire safety controller's position in real time to confirm the position of storage battery car, the accuracy is high, makes things convenient for the staff to manage and maintain the storage battery car.
(3) Through setting up voltage detection module and stand-by power supply, voltage detection module detects when the output voltage of storage battery car battery is zero, starts stand-by power supply and for the power supply of control mainboard, and the control mainboard reports to the police through communication module, and whether real-time detection battery appears from the car phenomenon, promotes storage battery car's security.
Drawings
Fig. 1 is a schematic view of an overall structure of a safety controller for a battery car according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a side surface of the safety controller in FIG. 1 where a power interface is located;
fig. 3 is a schematic view of an internal structure of a safety controller for a battery car according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control circuit of the safety controller for the battery car according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a CPU module in the control circuit of FIG. 4;
fig. 6 is a schematic structural diagram of a 4G communication module according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a GPS positioning module in the control circuit of FIG. 4;
FIG. 8 is a schematic diagram of a temperature sensor circuit for temperature sensing;
FIG. 9 is a circuit diagram of a voltage detection module;
description of the main reference numerals:
1-a safety controller; 2-a shell bin; 3-cover plate; 4-an electric control main board; 5, controlling the main board; 6-standby power supply; 7-a wire; 8-a temperature sensor; 9-power interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.
Referring to fig. 1 to 3, the embodiment provides a safety controller 1 for a battery car, which includes a housing, the housing includes a housing bin 2 and a cover plate 3 that are adapted to each other, a circuit board is disposed inside the housing, and the safety controller further includes a pair of external temperature sensors 8, the temperature sensors are connected to the circuit board through wires 7, the temperature sensors adopt SZ10K39501%25L thin film temperature measurement type thermistors, and the connecting ends of the temperature sensors 8 and the wires 7 are provided with XH2.54 terminals to be connected with the wires.
The battery car power supply is characterized in that a power interface 9 used for being connected with a power circuit of the battery car is arranged on the shell, the power interface 9 comprises a power input interface and a power output interface, the power input interface is provided with two wiring ends and is connected with positive and negative electrode outgoing lines of a battery power supply of the battery car through screws, and the power output interface is provided with two wiring ends and is connected with the positive and negative electrode outgoing lines of a battery car controller through screws.
The safety controller is installed in the frame of the electric vehicle, and is installed near the battery or the electric vehicle controller according to different vehicle types or different types of batteries, and the safety controller specifically comprises the following components: if the battery cannot be detached at one time and the voltage change is large when the battery is detached, the safety controller is arranged near the battery; if the battery can be detached at one time and the safety controller needs to be installed separately from the battery, the safety controller is installed near the electromobile controller. During installation, the power input interface is used for connecting the power output end of the battery of the electromobile, and the power output interface is used for connecting the power input end of the electromobile controller, namely the battery of the electromobile supplies power to the electromobile controller and firstly passes through the safety controller.
Referring to fig. 4, the circuit board is configured with a central processing module, and a signal processing module, a power on/off module, a communication module and a power conversion module connected to the central processing module.
In this embodiment, the circuit board includes interconnect's control mainboard 5 and automatically controlled mainboard 4, because of 5V voltages that need the stable 5V of power supply of control mainboard 5, different with the battery output voltage 24V-72V of storage battery car, automatically controlled mainboard 4 sets up power conversion module and is used for converting storage battery car battery voltage into the operating voltage of control mainboard 5, for control mainboard 5 provides voltage input, and the design of two mainboards plays the guard action to the circuit to be convenient for maintain and overhaul.
Specifically, the power-on/power-off module and the power conversion module are arranged on the electronic control mainboard 4, and the central processing module, the signal processing module, the communication module and the control mainboard 5 are arranged on the same.
The signal processing module is connected with the temperature sensor and used for processing the electric signals generated by the temperature sensor. The temperature sensor is attached to a battery of the battery car to detect the temperature signal of the battery in real time, and an example of the temperature detection circuit can be seen in an attached figure 8. The wire that connects temperature sensor connects IN central processing module's PC0/ADC123_ IN10 port and PC1/ADC123_ IN11 port, with battery temperature signal transmission to central processing module, communication module continuously reports information when the temperature exceedes preset temperature, when the server judges that battery temperature exceedes preset temperature 5 degrees or surpasss preset temperature time and reach more than 30 seconds, then inform the circular telegram of the automatically controlled mainboard of control mainboard/power off module and close the power supply of external output, the power supply to the storage battery car is cut off promptly, the storage battery car can't ride.
The circuit board is further provided with a GPS positioning module, in the embodiment, the GPS positioning module is arranged on the control main board and used for acquiring the position data of the safety controller and transmitting the position data through the communication module, so that the storage battery car is positioned. After the storage battery car is powered off, the position of the storage battery car is located through the GPS locating module, the user is informed of corresponding risks, the user is informed of checking of property or related working staff, locking is released if no abnormity is detected, and related overhaul is carried out if abnormity exists. An example of a GPS positioning circuit can be seen in figure 7.
The position of the battery car is positioned through the GPS positioning module, the accuracy is high, and the storage battery car is convenient for workers to manage and maintain the parking of the battery car. Wherein, communication module includes one or all in 2G 3G 4G 5G communication module or the WIFI module, adopts 4G communication module and WIFI module in this embodiment, 4G communication module still is provided with the SIM card module, refers to fig. 6.
The central processing module includes an AT32F415RBT7 chip and its peripheral circuits, see fig. 5.
In this embodiment, the electric control main board 4 is a three-way board connected and controlled by a circuit, and has 1 power input end and 2 power output ends, and a power-on/power-off module and a power conversion module are configured on the three-way board, and the power conversion module converts 24V-72V voltage output by a battery of the battery car into 5V voltage to supply power to the control main board.
Wherein the power input end is connected with the power output end of the battery car. One of the 2 power output ends is connected with the safety controller, the other output end is connected with the battery car controller, and the electric control main board in the safety controller is controlled by the control main board to supply power to the battery car controller.
Furthermore, the safety controller can detect whether the battery of the battery car is out of the car and give an alarm. Safety controller carries out the power supply for it after voltage conversion by storage battery car battery through automatically controlled mainboard, when storage battery car battery is torn out, safety controller's outside power supply can disappear completely, for this reason, still be provided with stand-by power supply 6 in the casing, launch stand-by power supply 6 when external power source disconnection, stand-by power supply 6 is connected on control mainboard 5 and for its power supply, and 4G communication module or the WIFI module of configuration on the control mainboard 5 send the battery to the server and leave car information, and the server makes the response and notifies the warning through one or more modes in voice call, SMS and the little letter. Wherein, when the battery of storage battery car is torn open, generally divide into two kinds of situations:
the first method comprises the following steps: and (3) pulling out the battery after turning off the main switch of the storage battery car:
after the main switch of the battery car is turned off, the output voltage is 0, the safety controller directly starts the standby power supply to inform the server of the disconnection of the power supply of the external battery of the battery car, and the battery is detached from the battery car.
And the second method comprises the following steps: the battery is directly pulled out by the main switch of the battery car when not closed:
in this case, different types of batteries are used for different situations, and are analyzed as follows.
A lead-acid battery: the lead-acid battery is formed by assembling a plurality of batteries, when a part of single batteries are detached, the output voltage becomes low, the safety controller detects the voltage drop and judges whether the voltage drop exceeds 20%, and if the voltage drop exceeds 20%, the safety controller informs the server of the occurrence of a vehicle leaving condition of the battery. In this embodiment, for the size of detection pressure drop be provided with voltage detection module on the control mainboard, voltage detection module's principle is for utilizing the storage battery of storage battery car to supply power for the stand-by battery, and the storage battery voltage of storage battery car is acquireed to the feedback voltage when charging according to the stand-by battery.
Lithium battery: the lithium battery is a single large battery, when the battery is detached, the power supply of the external battery of the safety controller disappears, and the safety controller directly starts the standby power supply to inform the server of the occurrence of the vehicle leaving condition of the battery.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (9)
1. A safety controller (1) for a storage battery car is characterized by comprising a shell, a circuit board and a pair of external temperature sensors (8), wherein the circuit board is arranged in the shell, and the temperature sensors are connected to the circuit board through leads (7); the shell is provided with a power interface (9) used for being connected with a power circuit of the battery car, and the power interface comprises a power input interface and a power output interface;
the circuit board is provided with a central processing module, and a signal processing module, a power-on/power-off module, a communication module and a power supply conversion module which are connected with the central processing module; wherein,
the signal processing module is connected with the temperature sensor and is used for processing an electric signal generated by the temperature sensor; the power on/off module is coupled between the power input interface and the power output interface.
2. The safety controller for the electromobile according to claim 1, wherein the power input interface is used for connecting a power output end of a battery of the electromobile, and the power output interface is used for connecting a power input end of the electromobile controller.
3. The safety controller for battery cars of claim 1 or 2, characterized in that the circuit board comprises a control main board (5) and an electric control main board (4) which are connected with each other, and the power on/off module 、 The power conversion module is arranged on the electric control mainboard, and the central processing module, the signal processing module and the communication module are arranged on the control mainboard.
4. The safety controller for a battery car according to claim 1, wherein the temperature sensor is a thin film temperature measurement type thermistor.
5. The safety controller for the battery car according to claim 1, wherein a GPS positioning module is further configured on the circuit board for positioning the battery car.
6. The safety controller for the battery car according to claim 1, wherein a voltage detection module is further arranged on the circuit board and used for detecting the power supply voltage of the battery car.
7. The safety controller for the battery car according to claim 6, wherein a standby power supply (6) is further arranged in the shell and used for supplying power to the circuit board when the power supply of the battery car stops supplying power.
8. The safety controller for the electromobile according to claim 1, wherein the communication module comprises one or all of a 2G/3G/4G/5G communication module or a WIFI module.
9. The safety controller for the battery car according to claim 8, wherein the 2G/3G/4G/5G communication module is further provided with an SIM card module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143674.6U CN218750325U (en) | 2022-11-25 | 2022-11-25 | Safety controller for storage battery car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143674.6U CN218750325U (en) | 2022-11-25 | 2022-11-25 | Safety controller for storage battery car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218750325U true CN218750325U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223143674.6U Active CN218750325U (en) | 2022-11-25 | 2022-11-25 | Safety controller for storage battery car |
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|---|---|
| CN (1) | CN218750325U (en) |
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- 2022-11-25 CN CN202223143674.6U patent/CN218750325U/en active Active
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