CN115512505A - Energy storage battery anti-theft system - Google Patents

Abstract

The invention relates to an energy storage battery anti-theft system. The method comprises the following steps: the device comprises a power module, an energy storage battery module and an anti-theft DTU module. Be equipped with first theftproof port on the power module, be equipped with second theftproof port and third theftproof port on the energy storage battery module, through first, two, three prevent stealing the port, establish the theftproof return circuit, stolen as the energy storage circuit module, the theftproof return circuit opens circuit, and the condition of opening circuit is detected by theftproof DTU module to report backstage high in the clouds server, make backstage cloud server and user terminal in time learn. Whether the energy storage battery module is stolen or not is judged through the mechanical action of whether the anti-theft loop is disconnected or not, the principle is direct and simple, the influence of communication faults among modules or other factors such as low-voltage dormancy of the battery is avoided, and the high reliability is achieved.

Description

Energy storage battery anti-theft system

Technical Field

The invention relates to the technical field of energy storage batteries, in particular to an energy storage battery anti-theft system.

Background

With the development of the related technologies of the energy storage battery, the energy storage battery is more and more widely used in application fields such as various mobile devices and backup power supplies, and is more popular in scenes such as electric vehicles, power supply equipment networks, building security and protection, communication base stations and the like. In order to realize longer cruising ability, high-capacity power supply is necessary, and a plurality of energy storage battery modules are usually combined into an energy storage system to supply power to the equipment.

The conventional technology judges whether the energy storage battery module is stolen by judging whether the communication of each module in the energy storage system is normal. In the implementation process, the inventor finds that the traditional technology is easy to generate misjudgment when communication faults or battery low-voltage dormancy, and is poor in reliability.

Disclosure of Invention

In view of the above, there is a need to provide an energy storage battery anti-theft system for solving the reliability problem.

In one embodiment, the energy storage battery anti-theft system comprises: the system comprises a power module, an energy storage battery module and an anti-theft DTU module;

the power module is provided with a first anti-theft port, the first anti-theft port is provided with two short-circuit pins, and the two short-circuit pins are in short circuit in the port;

the energy storage battery module is provided with a second anti-theft port and a third anti-theft port, the second anti-theft port and the third anti-theft port are both provided with two short-circuit pins, the two short-circuit pins of the second anti-theft port and the two short-circuit pins of the third anti-theft port are in short circuit in pairs, the two short-circuit pins of the second anti-theft port are correspondingly connected with the two short-circuit pins of the first anti-theft port, and the two short-circuit pins of the third anti-theft port are respectively connected with the two detection ends of the anti-theft DTU module;

the anti-theft and anti-theft DTU module is used for detecting the connection state of the energy storage battery module, and when the two detection ends are disconnected, the alarm information is sent to the background cloud server, so that the background cloud server can send the alarm information to the user terminal in time.

In one embodiment, the number of energy storage battery modules is at least two; the positions of all short-circuit pins on the first anti-theft port, the second anti-theft port and the third anti-theft port are correspondingly arranged;

each energy storage battery module is connected in series through the second anti-theft port and the third anti-theft port to form a short circuit with one end provided with the second anti-theft interface and the other end provided with the third anti-theft interface and connected in series with the energy storage battery modules; the energy storage battery module series short circuit is connected with a first anti-theft port of the power module through a second anti-theft port at one end, and the energy storage battery module series short circuit is connected with two detection ends of the anti-theft DTU module respectively through two short circuit pins of a third anti-theft port at the other end.

In one embodiment, the anti-theft DTU module comprises: the fourth anti-theft port, the anti-theft detection circuit, the DTU processing unit and the wireless communication unit;

two detection pins are arranged on the fourth anti-theft port, and the two detection pins are arranged corresponding to the positions of two short-circuit pins of the third anti-theft port; one end of the fourth anti-theft port outside the port is connected with a third anti-theft port of the energy storage battery module series short circuit, and the other end inside the port is connected with two anti-theft detection ends of the anti-theft detection circuit;

the anti-theft detection circuit is connected with the DTU processing unit and is used for detecting the connection state of each energy storage battery module, and when the two anti-theft detection end loops are disconnected, an alarm signal is sent to the DTU processing unit;

the DTU processing unit is connected with the wireless communication unit, and when receiving the alarm signal, the DTU processing unit drives the wireless communication unit to send alarm information to the background cloud server.

In one embodiment, the first anti-theft port, the second anti-theft port, the third anti-theft port and the fourth anti-theft port are correspondingly provided with communication pins, and the communication pin of the fourth anti-theft port is connected with the DTU processing unit in the port;

the energy storage battery module also comprises a battery unit, a battery BMS control unit and a communication coding unit; in each energy storage battery module, the communication pin of the second anti-theft port is respectively connected with the communication pin of the third anti-theft port and the output end of the communication coding unit, and the battery BMS control unit is respectively connected with the input ends of the battery unit and the communication coding unit.

In one embodiment, the anti-theft detection circuit further includes a pull-up resistor R1, one end of the resistor R1 is connected to the reference voltage, the other end of the resistor R1 is respectively connected to the alarm signal input end of the DTU processing unit and one detection pin of the fourth anti-theft port, and the other detection pin of the fourth anti-theft port is grounded.

In one embodiment, the anti-theft detection circuit further comprises: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor RPTC, a triode Q1, a triode Q2, a diode D1, a bidirectional voltage regulator ESD1 and a capacitor C1;

the emitting electrode of the triode Q1 is respectively connected with the reference voltage and one end of the resistor R1, the base electrode of the triode Q1 is respectively connected with the other end of the resistor R1 and one end of the resistor R2, and the collector electrode of the triode Q1 is connected with one end of the resistor R3;

the other end of the resistor R2 is connected with the anode of the diode D1; the cathode of the diode D1 is respectively connected with one end of the resistor RPTC and one end of the bidirectional voltage-stabilizing tube ESD 1; the other end of the resistor RPTC is connected with a detection pin of the fourth anti-theft port; the other end of the bidirectional voltage-stabilizing tube ESD1 is connected with the other detection pin of the fourth anti-theft port and is grounded;

the base electrode of the triode Q2 is respectively connected with the other end of the resistor R3, one end of the resistor R4 and one end of the capacitor C1, the emitting electrode of the triode Q2 is respectively connected with the other end of the resistor R4, the other end of the capacitor C1 and is grounded, and the collecting electrode of the triode Q2 is respectively connected with one end of the resistor R5 and the alarm signal input end of the DTU processing unit; the other end of the resistor R5 is connected with a reference voltage.

In one embodiment, the first anti-theft port, the second anti-theft port, the third anti-theft port, and the fourth anti-theft port are RJ45 crystal head connector sockets.

In one embodiment, the pin 4 and the pin 8 in the first anti-theft port are short-circuited; a pin 4 of a second anti-theft port and a pin 4 of a third anti-theft port are in short circuit in any one energy storage battery module, and a pin 8 of the second anti-theft port and a pin 8 of the third anti-theft port are in short circuit; pin 4 and pin 8 of the fourth anti-theft port are detection pins.

In one embodiment, the communication pins of the first anti-theft port, the second anti-theft port, the third anti-theft port and the fourth anti-theft port are pin 5 and pin 7, which are respectively used for transmitting two differential signals of the RS485 interface protocol.

In one embodiment, the energy storage battery anti-theft system further includes: the system comprises a background cloud server and a user terminal;

the background cloud server is in wireless communication connection with the anti-theft DTU module and the user terminal respectively and is used for receiving the alarm information and forwarding the alarm information to the corresponding user terminal.

According to the energy storage battery anti-theft system, the anti-theft interfaces are arranged on the power supply module and the energy storage battery module, the short-circuited anti-theft loop is constructed, when the energy storage circuit module is stolen, the anti-theft loop is broken, the broken circuit condition is detected by the anti-theft DTU module and reported to the background cloud server, so that the background cloud server and the user terminal can learn in time. Whether the energy storage battery module is stolen or not is judged through the mechanical action of whether the anti-theft loop is disconnected or not, the principle is direct and simple, the influence of communication faults among modules or other factors such as low-voltage dormancy of the battery is avoided, and the high reliability is achieved.

Drawings

Fig. 1 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

fig. 2 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

fig. 3 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

fig. 4 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

fig. 5 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

fig. 6 is a schematic circuit diagram of an anti-theft DTU module according to an embodiment of the present application;

fig. 7 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

FIG. 8 is a schematic circuit diagram of an anti-theft detection circuit according to an embodiment of the present application;

fig. 9 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application;

fig. 10 is a schematic circuit diagram of an energy storage battery anti-theft system according to an embodiment of the present application.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, an embodiment of the present invention provides an energy storage battery anti-theft system, including: the system comprises a power module 100, an energy storage battery module 200 and an anti-theft DTU module 300;

the power module 100 is provided with a first anti-theft port 110, the first anti-theft port 110 is provided with two short-circuit pins, and the two short-circuit pins are in short circuit in the port;

the energy storage battery module 200 is provided with a second anti-theft port 210 and a third anti-theft port 220, the second anti-theft port 210 and the third anti-theft port 220 are both provided with two short-circuit pins, the two short-circuit pins of the second anti-theft port 210 and the two short-circuit pins of the third anti-theft port 220 are in short circuit in pairs, the two short-circuit pins of the second anti-theft port 210 are correspondingly connected with the two short-circuit pins of the first anti-theft port 110, and the two short-circuit pins of the third anti-theft port 220 are respectively connected with two detection ends of the anti-theft DTU module 300;

the anti-theft and anti-theft DTU module 300 is used for detecting the connection state of the energy storage battery module 200, and when the two detection end loops are disconnected, alarm information is sent to the background cloud server, so that the background cloud server can send the alarm information to the user terminal in time.

The first anti-theft port 110, the second anti-theft port 210, and the third anti-theft port 230 are electrical connector sockets or plugs for connecting lines of the modules and transmitting electrical signals.

Alternatively, the Power module 100 may be a Switching Mode Power Supply (SMPS).

Specifically, two short-circuit pins, namely a first short-circuit pin and a second short-circuit pin, are respectively arranged on the three anti-theft ports. Two short-circuit pins of the second anti-theft port 210 and two short-circuit pins of the third anti-theft port 220 are in short circuit in pairs to form two parallel short-circuit lines, and two connection schemes can be realized. In the first scheme, the first short-circuit pin of the second anti-theft port 210 is connected with the first short-circuit pin of the third anti-theft port 220, and the second short-circuit pin of the second anti-theft port 210 is connected with the second short-circuit pin of the third anti-theft port 220. In the second scheme, the first short-circuit pin of the second anti-theft port 210 is connected with the second short-circuit pin of the third anti-theft port 220, and the second short-circuit pin of the second current port is connected with the first short-circuit pin of the third anti-theft port 220.

The two short-circuit pins of the second anti-theft port 210 are correspondingly connected with the two short-circuit pins of the first anti-theft port 110, where the corresponding connection refers to one-to-one connection, and there may be two connection modes. The first one is that a first short-circuit pin of the second anti-theft port 210 is correspondingly connected to a first short-circuit pin of the first anti-theft port 110, and a second short-circuit pin of the second anti-theft port 210 is correspondingly connected to a second short-circuit pin of the first anti-theft port 110. The second one is that a first short-circuit pin of the second anti-theft port 210 is correspondingly connected to a second short-circuit pin of the first anti-theft port 110, and a second short-circuit pin of the second anti-theft port 210 is correspondingly connected to the first short-circuit pin of the first anti-theft port 110.

When the energy storage battery module 200 is in place normally, the two detection ends of the anti-theft detection circuit 320 form a short-circuited anti-theft loop by connecting the three anti-theft interfaces to the power module 100. Once the energy storage battery module 200 is taken away, the connection between the first anti-theft port 110 and the second anti-theft port 210 is disconnected, the connection between the second anti-theft port 210 and the third anti-theft port 220 is also disconnected, and the two detection ends of the anti-theft DTU module 300 are disconnected, so that a loop cannot be formed. Based on the change, the anti-theft DTU module 300 detects the connection state of the energy storage battery module 200 and reports the connection state to the background cloud server.

In summary, in the embodiment, the power module 100 and the energy storage battery module 200 are provided with the anti-theft interfaces and the short-circuited anti-theft loop is constructed, when the energy storage circuit module is stolen, the anti-theft loop is broken, the broken-circuit condition is detected by the anti-theft DTU module 300 and reported to the background cloud server, so that the background cloud server and the user terminal can know the situation in time. Whether the energy storage battery module 200 is stolen or not is judged through the mechanical action of whether the anti-theft loop is disconnected or not, the principle is direct and simple, the influence of communication faults among modules or other factors such as low-voltage dormancy of batteries is avoided, and the high reliability is achieved.

In one embodiment, as shown in fig. 2, the number of energy storage battery modules 200 is at least two; the positions of the short-circuit pins on the first anti-theft port 110, the second anti-theft port 210 and the third anti-theft port 220 are correspondingly arranged;

each energy storage battery module 200 is connected in series through the second anti-theft port 210 and the third anti-theft port 220 to form a short circuit with one end being a second anti-theft interface and the other end being a third anti-theft interface, wherein the energy storage battery modules are connected in series; the energy storage battery module series short circuit is connected with the first anti-theft port 110 of the power module 100 through the second anti-theft port 210 at one end, and the energy storage battery module series short circuit is connected with the two detection ends of the anti-theft DTU module 300 respectively through the two short-circuit pins of the third anti-theft port 220 at the other end.

Particularly, the position of each short circuit pin corresponds the setting on first theftproof port 110, second theftproof port 210 and the third theftproof port 220, indicates that two short circuit pins set up in the same position, and the first short circuit pin on first theftproof port 110, second theftproof port 210 and the third theftproof port 220 all sets up in same position promptly, and the second short circuit pin on first theftproof port 110, second theftproof port 210 and the third theftproof port 220 all sets up in same position. When the first anti-theft port 110 is connected to the second anti-theft port 210, the first short-circuit pin of the first anti-theft port 110 is connected to the first short-circuit pin of the second anti-theft port 210, and the second short-circuit pin of the first anti-theft port 110 is connected to the second short-circuit pin of the second anti-theft port 210.

As shown in fig. 3, each energy storage battery module 200 is connected in series through the second anti-theft port 210 and the third anti-theft port 220, so as to form an energy storage battery module series short circuit with one end being the second anti-theft port and the other end being the third anti-theft port. The second anti-theft port 210 of the first energy storage battery module 200 is connected with the first anti-theft port 110 of the battery module, and the third anti-theft port 220 is connected with the second anti-theft port 210 of the second energy storage battery module 200; the third anti-theft port 220 of the second energy storage battery module 200 is connected with the second anti-theft port 210 of the third energy storage battery module 200, and so on until the last energy storage battery module 200, the third anti-theft port 220 of the last energy storage battery module 200 is connected to the second anti-theft port 210 of the last energy storage battery module 200, and two short-circuit pins of the third anti-theft port 220 of the last energy storage battery module 200 are respectively connected with two detection ends of the anti-theft DTU module 300.

The energy storage battery module series short circuit is connected with the first anti-theft port 110 of the battery module through the second anti-theft port 210 at one end to form an anti-theft loop. When one or more energy storage battery modules 200 are stolen, the anti-theft loops are all broken, so that anti-theft monitoring and timely alarming of the energy storage battery modules 200 are realized. The anti-theft alarm can be flexibly realized under the condition of one to a plurality of energy storage battery modules 200.

In one embodiment, as shown in fig. 4, the anti-theft DTU module 300 includes: a fourth anti-theft port 310, an anti-theft detection circuit 320, a DTU processing unit 330 and a wireless communication unit 340;

two detection pins are arranged on the fourth anti-theft port 310, and the two detection pins are arranged corresponding to the two short-circuit pins of the third anti-theft port 220; one end of the fourth anti-theft port 310 outside the port is connected with the third anti-theft port 220 of the energy storage battery module series short circuit, and the other end inside the port is connected with two anti-theft detection ends of the anti-theft detection circuit 320;

the anti-theft detection circuit 320 is connected with the DTU processing unit 330 and is used for detecting the connection state of each energy storage battery module 200 and sending an alarm signal to the DTU processing unit 330 when the loops of the two anti-theft detection ends are disconnected;

the DTU processing unit 330 is connected to the wireless communication unit 340, and when receiving the alarm signal, drives the wireless communication unit 340 to send alarm information to the background cloud server.

The fourth anti-theft port 310 is also an electrical connector socket or plug for connecting lines of the modules and transmitting electrical signals. In a preferred embodiment, the first through fourth anti-theft ports are selected from the same category or model of electrical connector receptacle.

Specifically, with the same meaning that the port pin position corresponds the setting in the preceding embodiment, two detection pins of the fourth anti-theft port 310 correspond the setting with two short circuit pins of the third anti-theft port 220 in position, mean that the first short circuit pin on the third anti-theft port 220 and the first detection pin on the fourth anti-theft port 310 set up in same position, and the second short circuit pin on the third anti-theft port 220 and the second detection pin on the fourth anti-theft port 310 set up in same position. When the third anti-theft port 220 is connected with the fourth anti-theft port 310, the first short circuit pin of the third anti-theft port 220 is connected with the first detection pin of the fourth anti-theft port 310, and the second short circuit pin of the third anti-theft port 220 is connected with the second detection pin of the fourth anti-theft port 310.

One end of the fourth anti-theft port 310 outside the port is connected with the third anti-theft port 220 of the last energy storage battery module 200 in the energy storage battery module series short circuit, and a short-circuit anti-theft loop is formed when the fourth anti-theft port 310 is seen from the power module 100. Therefore, when the anti-theft circuit is disconnected, the two detection pins of the fourth anti-theft port 310 and the two anti-theft detection terminals of the anti-theft detection circuit 320 are changed from the short-circuit state to the open-circuit state, and the anti-theft detection circuit 320 determines whether the energy storage battery module 200 is stolen according to the states of the anti-theft detection terminals. When the two anti-theft detection terminals are detected to be open-circuited, an alarm signal is sent to the DTU processing unit 330.

Preferably, the DTU processor may be an MCU. The wireless communication unit 340 may be a single communication system or a mixed communication system, for example, the 4G communication system wireless communication unit 340 and the 4G/5G mixed system wireless communication unit 340.

In one embodiment, as shown in fig. 5, communication pins are further correspondingly disposed on the first anti-theft port 110, the second anti-theft port 210, the third anti-theft port 220, and the fourth anti-theft port 310, and the communication pin of the fourth anti-theft port 310 is connected with the DTU processing unit 330 in the port;

the energy storage battery module 200 further comprises a battery unit, a battery BMS control unit and a communication coding unit; in each energy storage battery module 200, the communication pin of the second anti-theft port 210 is connected to the communication pin of the third anti-theft port 220 and the output end of the communication coding unit, and the battery BMS control unit is connected to the input ends of the battery unit and the communication coding unit.

The number of the communication pins is adapted to the specifically selected communication interface protocol, and may be one or more. For example, when using the RS485 interface protocol for communication, the number of communication pins is two. The battery unit can be provided with a plurality of batteries which can be connected in parallel or in series.

Specifically, the communication pins of each module are used for outputting the state information of the module and receiving the control instruction of the background cloud server. Taking the embodiment shown in fig. 5 as an example, a first energy storage battery module 200, a second energy storage battery module 200 and a third energy storage battery module 200 are respectively provided. The communication pin of the first anti-theft port 110 on the power module 100 is used for outputting the state information of the power module 100, sequentially passes through the communication pin of the second anti-theft port 210 on the first energy storage module, the communication pin of the third anti-theft port 220 on the first energy storage battery module 200, the communication pin of the second anti-theft port 210 on the second energy storage battery module 200, the communication pin of the third anti-theft port 220 on the second energy storage battery module 200, the communication pin of the second anti-theft port 210 of the third energy storage battery module 200, the communication pin of the third anti-theft port 220 of the third energy storage battery module 200 and the communication pin of the fourth anti-theft port 310, reaches the DTU processing unit 330, and the DTU processing unit 330 drives the wireless communication unit 340 to transmit the state information of the battery module to the background cloud server; the background cloud server can also issue an instruction to the power module 100 through the above path.

The battery BMS control unit of the second energy storage battery module 200 monitors the state of the battery unit, sends the state information of the battery unit to the communication coding unit, sequentially passes through the communication pin of the third anti-theft port 220 and the communication pin of the fourth anti-theft port 310 on the second energy storage battery module 200 after being coded by the communication coding unit, reaches the DTU processing unit 330, and drives the wireless communication unit 340 to send the state information of the battery module to the background cloud server by the DTU processing unit 330; the background cloud server can also issue an instruction to the battery BMS control unit through the passage.

The communication function of the traditional energy storage battery control system is integrated in the anti-theft port, the anti-theft and communication functions share the physical port and the wiring, the circuit structure is simplified, and the implementation cost is effectively reduced.

In one embodiment, as shown in fig. 6 and 7, the anti-theft detection circuit 320 further includes a pull-up resistor R1, one end of the resistor R1 is connected to a reference voltage, the other end of the resistor R1 is respectively connected to the alarm signal input terminal of the DTU processing unit 330, one detection pin of the fourth anti-theft port 310, and the other detection pin of the fourth anti-theft port 310 is grounded.

When the anti-theft loop is closed, the alarm signal input end of the DTU processing unit 330 is grounded through the anti-theft loop, and the anti-theft detection circuit 320 outputs a low level signal; when the energy storage battery module 200 is stolen and the anti-theft loop is broken, the alarm signal input end of the DTU processing unit 330 is pulled high through the pull-up resistor R1, and the anti-theft detection circuit 320 outputs a high level signal. In this embodiment, the high level signal is an alarm signal, and the DTU processor generates alarm information according to the high level signal at the alarm signal input end and sends the alarm information to the background cloud server. The circuit structure is simple, and timeliness and judgment reliability of anti-theft alarm can be considered under the condition of low cost.

In a preferred embodiment, as shown in fig. 8, the anti-theft detection circuit 320 further includes: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor RPTC, a triode Q1, a triode Q2, a diode D1, a bidirectional voltage regulator ESD1 and a capacitor C1;

the emitting electrode of the triode Q1 is respectively connected with the reference voltage and one end of the resistor R1, the base electrode of the triode Q1 is respectively connected with the other end of the resistor R1 and one end of the resistor R2, and the collector electrode of the triode Q1 is connected with one end of the resistor R3;

the other end of the resistor R2 is connected with the anode of the diode D1; the cathode of the diode D1 is respectively connected with one end of the resistor RPTC and one end of the bidirectional voltage-stabilizing tube ESD 1; the other end of the resistor RPTC is connected with a detection pin of the fourth anti-theft port 310; the other end of the bidirectional voltage-regulator tube ESD1 is connected with the other detection pin of the fourth anti-theft port 310 and is grounded;

the base electrode of the triode Q2 is respectively connected with the other end of the resistor R3, one end of the resistor R4 and one end of the capacitor C1, the emitting electrode of the triode Q2 is respectively connected with the other end of the resistor R4, the other end of the capacitor C1 and is grounded, and the collecting electrode of the triode Q2 is respectively connected with one end of the resistor R5 and the alarm signal input end of the DTU processing unit 330; the other end of the resistor R5 is connected with a reference voltage.

Specifically, when the energy storage battery modules 200 are normally connected, the triodes Q1 and Q2 are both turned off, and the alarm signal input end of the DTU processing unit 330 is at a low level. When any one or more energy storage battery modules 200 are stolen, the triodes Q1 and Q2 are both conducted, the alarm signal input end of the DTU processing unit 330 is at a high level, the DTU processing unit 330 receives a high level signal and sends alarm information to the background cloud server through the wireless communication unit 340, and the background cloud server sends the alarm information to the user terminal to inform the user of timely processing.

The circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor RPTC, a triode Q1, a triode Q2, a diode D1, a bidirectional voltage regulator ESD1 and a capacitor C1

In this embodiment, the bidirectional voltage regulator tube ESD1 plays a role in ESD protection, and guides an ESD signal to GND (ground potential) to protect the whole circuit. The resistor RPTC plays a role in current limiting, and prevents the port from misunderstanding high voltage to cause the ESD overlarge current to burn out. The diode D1 has a one-way characteristic, and can prevent the triode Q1 from being damaged by high voltage. R1 and R2 are bias resistors of the triode Q1 and provide voltage division and current limitation for EC conduction of the triode Q1. The triode Q1 converts the mechanical characteristic of whether the anti-theft loop is broken or short-circuited into a weak current switching signal. The resistor R3 is used as a base current limiting resistor of the Q2 and plays a role in limiting current. The resistor R4 is a triode Q2 bypass resistor, and the triode Q1 is conducted during circuit breaking to provide a loop for the capacitor C1 to release current, so that the base of the triode Q2 is pulled down. The capacitor C1 is a bypass capacitor of the triode Q2, and can prevent false triggering caused by external interference. The transistor Q2 converts the electrical signal of the transistor Q1 into a high-low level signal recognizable by the MCU (DTU processing unit 330). And the resistor R5 is a pull-up resistor of the MCU-I/O port.

In one embodiment, as shown in fig. 9, the first anti-theft port 110, the second anti-theft port 210, the third anti-theft port 220, and the fourth anti-theft port 310 are RJ45 crystal head connector sockets.

Two ends of the RJ45 crystal head connector are respectively provided with 8 communicated pins for electrically connecting the inside and the outside of the packaging circuit module.

In one embodiment, as shown in fig. 5 and 9, pin 4 and pin 8 in the first anti-theft port 110 are shorted; in any energy storage battery module 200, a pin 4 of the second anti-theft port 210 is in short circuit with a pin 4 of the third anti-theft port 220, and a pin 8 of the second anti-theft port 210 is in short circuit with a pin 8 of the third anti-theft port 220; pin 4 and pin 8 of the fourth anti-theft port 310 are detection pins.

Specifically, the first anti-theft port 110 and the second anti-theft port 210 are connected by a network cable, and both ends of the network cable end RJ45 crystal head connector are consistent and can be 568A line sequence or 568B line sequence.

In one embodiment, as shown in fig. 5 and 9, the communication pins of the first anti-theft port 110, the second anti-theft port 210, the third anti-theft port 220, and the fourth anti-theft port 310 are pin 5 and pin 7, respectively, for transmitting two differential signals of the RS485 interface protocol.

In one embodiment, as shown in fig. 10, the above-mentioned energy storage battery anti-theft system further includes: a background cloud server 400 and a user terminal 500;

the background cloud server 400 is connected to the anti-theft DTU module 300 and the user terminal 500 in a wireless communication manner, and is configured to receive the alarm information and forward the alarm information to the corresponding user terminal 500. The user terminal 500 is a terminal device with a display, and may be a mobile phone, a tablet computer, a mobile computer, a desktop computer, or the like.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An energy storage battery anti-theft system, comprising: the system comprises a power module, an energy storage battery module and an anti-theft DTU module;

the power module is provided with a first anti-theft port, the first anti-theft port is provided with two short-circuit pins, and the two short-circuit pins are in short circuit in the port;

the energy storage battery module is provided with a second anti-theft port and a third anti-theft port, the second anti-theft port and the third anti-theft port are both provided with two short-circuit pins, the two short-circuit pins of the second anti-theft port and the two short-circuit pins of the third anti-theft port are in short circuit in pairs, the two short-circuit pins of the second anti-theft port are correspondingly connected with the two short-circuit pins of the first anti-theft port, and the two short-circuit pins of the third anti-theft port are respectively connected with two detection ends of the anti-theft DTU module;

the anti-theft and anti-theft DTU module is used for detecting the connection state of the energy storage battery module, and when the two detection end loops are disconnected, alarm information is sent to the background cloud server, so that the background cloud server can send the alarm information to the user terminal in time.

2. The energy storage battery anti-theft system according to claim 1, wherein the number of the energy storage battery modules is at least two; the positions of the short-circuit pins on the first anti-theft port, the second anti-theft port and the third anti-theft port are correspondingly arranged;

each energy storage battery module is connected in series through the second anti-theft port and the third anti-theft port to form a short circuit with one end provided with the second anti-theft interface and the other end provided with the third anti-theft interface and connected in series with the energy storage battery modules; the energy storage battery module series short circuit passes through one end the second theftproof port with power module the first theftproof port is connected, the energy storage battery module series short circuit passes through the other end two short circuit pins of the third theftproof port are connected respectively two detection ends of theftproof DTU module.

3. The energy storage battery theft prevention system of claim 2, wherein the theft prevention DTU module comprises: the fourth anti-theft port, the anti-theft detection circuit, the DTU processing unit and the wireless communication unit;

two detection pins are arranged on the fourth anti-theft port, and the two detection pins are arranged corresponding to the two short-circuit pins of the third anti-theft port; one end of the fourth anti-theft port outside the port is connected with the third anti-theft port of the energy storage battery module series short circuit, and the other end inside the port is connected with two anti-theft detection ends of the anti-theft detection circuit;

the anti-theft detection circuit is connected with the DTU processing unit and is used for detecting the connection state of each energy storage battery module, and when the two anti-theft detection end loops are disconnected, an alarm signal is sent to the DTU processing unit;

the DTU processing unit is connected with the wireless communication unit, and when the alarm signal is received, the DTU processing unit drives the wireless communication unit to send alarm information to the background cloud server.

4. The energy storage battery anti-theft system according to claim 3, characterized in that the first anti-theft port, the second anti-theft port, the third anti-theft port and the fourth anti-theft port are correspondingly provided with communication pins, and the communication pin of the fourth anti-theft port is connected with the DTU processing unit in the port;

the energy storage battery module also comprises a battery unit, a battery BMS control unit and a communication coding unit; in each energy storage battery module, the communication pin of the second anti-theft port is respectively connected with the communication pin of the third anti-theft port and the output end of the communication coding unit, and the battery BMS control unit is respectively connected with the input ends of the battery unit and the communication coding unit.

5. The energy storage battery anti-theft system according to claim 4, wherein the anti-theft detection circuit further comprises a pull-up resistor R1, one end of the resistor R1 is connected to a reference voltage, the other end of the resistor R1 is respectively connected to the alarm signal input end of the DTU processing unit and one of the detection pins of the fourth anti-theft port, and the other detection pin of the fourth anti-theft port is grounded.

6. The energy storage battery anti-theft system according to claim 4, wherein the anti-theft detection circuit further comprises: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor RPTC, a triode Q1, a triode Q2, a diode D1, a bidirectional voltage regulator ESD1 and a capacitor C1;

an emitting electrode of the triode Q1 is respectively connected with a reference voltage and one end of the resistor R1, a base electrode of the triode Q1 is respectively connected with the other end of the resistor R1 and one end of the resistor R2, and a collector electrode of the triode Q1 is connected with one end of the resistor R3;

the other end of the resistor R2 is connected with the anode of the diode D1; the cathode of the diode D1 is respectively connected with one end of the resistor RPTC and one end of the bidirectional voltage regulator tube ESD 1; the other end of the resistor RPTC is connected with a detection pin of the fourth anti-theft port; the other end of the bidirectional voltage-stabilizing tube ESD1 is connected with the other detection pin of the fourth anti-theft port and is grounded;

the base electrode of the triode Q2 is respectively connected with the other end of the resistor R3, one end of the resistor R4 and one end of the capacitor C1, the emitting electrode of the triode Q2 is respectively connected with the other end of the resistor R4, the other end of the capacitor C1 and is grounded, and the collecting electrode of the triode Q2 is respectively connected with one end of the resistor R5 and the alarm signal input end of the DTU processing unit; the other end of the resistor R5 is connected with a reference voltage.

7. The energy storage battery theft prevention system of any of claims 4-6, wherein the first theft prevention port, the second theft prevention port, the third theft prevention port, and the fourth theft prevention port are RJ45 crystal head connector sockets.

8. The energy storage battery anti-theft system according to claim 7, characterized in that pin 4 and pin 8 in the first anti-theft port are shorted; in any one energy storage battery module, a pin 4 of the second anti-theft port is in short circuit with a pin 4 of the third anti-theft port, and a pin 8 of the second anti-theft port is in short circuit with a pin 8 of the third anti-theft port; and the pin 4 and the pin 8 of the fourth anti-theft port are detection pins.

9. The energy storage battery anti-theft system according to claim 8, wherein the communication pins of the first anti-theft port, the second anti-theft port, the third anti-theft port and the fourth anti-theft port are pin 5 and pin 7, which are respectively used for transmitting two differential signals of an RS485 interface protocol.

10. The energy storage battery anti-theft system of claim 9, further comprising: the system comprises a background cloud server and a user terminal;

the background cloud server is in wireless communication connection with the anti-theft DTU module and the user terminal respectively and is used for receiving the alarm information and forwarding the alarm information to the corresponding user terminal.

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