Acquisition and monitoring device for storage battery pack of power distribution station house

Abstract

According to the collecting and monitoring device for the storage battery pack of the power distribution station house, the monitoring mainboard is installed in the shell, the monitoring mainboard is connected with the upper computer and the wireless host respectively, the discharging resistor is arranged on the monitoring mainboard and used for monitoring the internal resistance of a single storage battery, and the storage battery voltage collecting interface is arranged on the monitoring mainboard and used for collecting the voltage of the storage battery. The monitoring mainboard is provided with a storage battery temperature acquisition interface used for monitoring the voltage of a single storage battery, the monitoring mainboard is provided with a group current acquisition interface used for acquiring the working current of a storage battery pack bus, and the monitoring mainboard is provided with a group voltage acquisition interface used for acquiring the working voltage of the storage battery pack bus. The storage battery acquisition device can meet the acquisition requirements of storage batteries of most power distribution station houses, and is small in size and convenient in field construction wiring. Meanwhile, data can be transmitted in a wireless mode, site construction wiring work is omitted, and construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the collection and monitoring of storage batteries in a power distribution station, in particular to a collection and monitoring device for storage battery groups in a power distribution station. Background Art

[0002] At present, there are some problems in the status collection of battery groups in distribution stations. For example, most battery collection devices are in the form of a host plus a slave. The slave collects the voltage and temperature of the battery cells. The host measures the total voltage and current of the battery and polls the slave data, as well as the internal resistance of each battery. Monitoring the voltage and temperature parameters of the battery group requires the use of multiple slaves, which takes up space and is costly. There are also battery monitoring devices that can monitor the voltage, temperature, group current and other parameters of one or more groups of batteries. Their internal implementation includes multiple independent battery collection units, which are large in size and have many monitoring channels. There is a waste of hardware costs when used for battery monitoring in distribution stations. Utility Model Content

[0003] In order to solve the above technical problems, the utility model proposes a data collection and monitoring device for the battery group in the power distribution station, which can meet the data collection requirements of the batteries in most power distribution stations, and has a small size and convenient on-site construction and wiring. At the same time, data can be transmitted wirelessly, eliminating on-site construction wiring work and improving construction efficiency.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A data acquisition and monitoring device for a battery pack in a power distribution station, characterized in that it comprises a housing, a host computer and a wireless host, wherein a monitoring mainboard is installed in the housing, and the monitoring mainboard is respectively connected to the host computer and the wireless host to realize the transmission of data and instructions.

[0006] The monitoring mainboard is provided with a discharge resistor. When the monitoring mainboard receives an internal resistance measurement instruction from the host computer, the single monitored storage battery is discharged in turn for a short time through the discharge resistor, and the internal resistance of the single monitored storage battery after discharge is calculated, so as to realize the internal resistance monitoring of the single monitored storage battery;

[0007] The monitoring mainboard is provided with a battery voltage acquisition interface, the battery voltage acquisition interface is connected to a single battery to be monitored through a voltage acquisition line, and the voltage monitoring of the single battery to be monitored is realized through the battery voltage acquisition interface;

[0008] The monitoring mainboard is provided with a battery temperature acquisition interface, which is connected to a single battery to be monitored via a temperature acquisition line, and the temperature monitoring of a single battery to be monitored is realized through the battery temperature acquisition interface;

[0009] The monitoring mainboard is provided with a group current acquisition interface for collecting the busbar working current of the battery group to be monitored. The group current acquisition interface is connected to a current acquisition transformer, which is connected to the battery group to be monitored. The current signal collected by the current acquisition transformer is transmitted to the group current acquisition interface to realize the current monitoring of the battery group to be monitored.

[0010] The monitoring mainboard is provided with a group voltage acquisition interface for acquiring the busbar working voltage of the battery group to be monitored. The busbar of the battery group to be monitored is directly connected to the group voltage acquisition interface to realize the monitoring of the busbar voltage of the battery group to be monitored;

[0011] The monitoring mainboard is provided with a remote signaling and remote control interface, the remote signaling and remote control interface is connected to a sensor device with remote signaling and remote control functions, and the monitoring mainboard issues remote control commands according to the data collected by the remote signaling to realize linkage control;

[0012] The monitoring mainboard is provided with a power interface, and the power interface is connected to a power source for supplying power to the monitoring mainboard.

[0013] In the above structure: the present application proposes a data acquisition and monitoring device for a battery pack in a distribution station, which can realize the monitoring of voltage, current or resistance of a single battery or a battery pack. A single device of the present application can meet the data acquisition of voltage, temperature, internal resistance, battery pack current and battery pack voltage of 9 single batteries, and can meet the data acquisition requirements of batteries in most distribution stations.

[0014] The monitoring mainboard installed in the shell is used to monitor the voltage, current, temperature and resistance of a single battery or battery group. In addition, the monitoring mainboard is also connected to the host computer and the wireless host respectively to transmit the monitoring data of the voltage, current, temperature and resistance of a single battery or battery group to the host computer and the wireless host, and receive internal resistance measurement instructions and remote control instructions from both.

[0015] There are multiple interfaces on the monitoring main board, namely, battery voltage collection interface, battery temperature collection interface, group current collection interface, and group voltage collection interface, which are used for collecting the voltage and temperature of a single battery and the current and voltage of the battery group, respectively. The internal resistance of a single battery can also be collected through the set discharge resistor.

[0016] Among them, a discharge resistor is set on the monitoring mainboard. When the monitoring mainboard receives the internal resistance measurement instruction of the host computer, the monitoring mainboard uses the cement plug-in resistor installed in the shell, whose resistance power is 30W, resistance value is 6Ω, and maximum working voltage is 750V, to perform short-term discharge on each battery to be monitored, and calculate the internal resistance of a single battery to be monitored after discharge, so as to realize the internal resistance monitoring of a single battery to be monitored;

[0017] The battery voltage collection interface is connected to a single battery to be monitored through a voltage collection line, and the voltage monitoring of a single battery to be monitored can be realized through the battery voltage collection interface;

[0018] The battery temperature collection interface is connected to a single battery to be monitored through a temperature collection line, and the temperature monitoring of a single battery to be monitored can be realized through the battery temperature collection interface;

[0019] The group current acquisition interface collects the bus current of the battery group through the current acquisition transformer. The current acquisition transformer adopts a voltage-type Hall current transmitter with a measurement range of 0 to 200A. The group current acquisition interface includes a transformer signal interface and a power output interface. The transformer signal interface is connected to the output signal of the current acquisition transformer. The power output interface is connected to the current acquisition transformer and supplies power to it. The transformer signal interface transmits the current signal collected by the current acquisition transformer to the group current acquisition interface, thereby realizing the current monitoring of the battery group to be monitored.

[0020] The group voltage acquisition interface directly acquires the bus voltage of the battery group to be monitored. The voltage range of the group voltage acquisition interface is DC 0-500V. The interface uses isolation to isolate the high voltage, and the isolation withstand voltage capacity is 2KV. The bus of the battery group to be monitored is directly connected to the group voltage acquisition interface to realize the monitoring of the bus voltage of the battery group to be monitored.

[0021] A telesignaling and remote control interface is provided on the monitoring main board, which is connected to sensor equipment with telesignaling and remote control functions. The monitoring main board collects the telesignaling data of the sensor and uploads it to the upper computer and the wireless host. When the monitoring main board receives the remote control instructions from the upper computer and the wireless host, it controls the on-site equipment according to the remote control instructions to achieve linkage.

[0022] The power interface provided on the monitoring mainboard is used to supply power to the monitoring mainboard so that it can operate normally.

[0023] Further: it also includes a display screen, which is installed on the outer surface of the shell, and the display screen is connected to the monitoring mainboard, and is used to display the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, the current of a battery group to be monitored, the internal resistance of the battery group to be monitored, and time information.

[0024] In the above structure: the display screen is a 4.3-inch intelligent serial port screen, which is installed on the surface of the shell. It can display the collected information such as the voltage, temperature, current, voltage, internal resistance and time of a single battery to be monitored, and refresh the data in real time, so as to facilitate on-site viewing of the battery working status.

[0025] Furthermore: the monitoring main board is also provided with a wired communication interface, which adopts RS485 communication circuit and is connected to the host computer through a connecting line. The collected data information of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of the battery group to be monitored, and the current of the battery group to be monitored are transmitted to the host computer through the wired communication interface, and the internal resistance measurement instruction of the host computer is received, and the internal resistance measurement result is transmitted to the host computer.

[0026] In the above structure: the connection between the monitoring mainboard and the host computer is realized through the priority communication interface set on the monitoring mainboard. The wired communication interface adopts RS485 communication circuit to communicate with the host computer through the connecting line, uploads the collected data in real time, and receives the control instructions of the host computer through the wired communication interface. At the same time, the device can be configured and debugged on site through the debugging software.

[0027] Furthermore: the monitoring mainboard is also provided with a wireless communication interface, which adopts LoRa communication to connect with the wireless host, and uploads the collected data of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of the battery group to be monitored, and the current of the battery group to be monitored to the wireless host via wireless signals through the wireless communication interface, and receives the remote control instructions of the wireless host.

[0028] In the above structure: the wireless communication interface adopts LoRa communication to connect with the wireless host, and the communication frequency is 470M. The collected data of the single battery voltage to be monitored, the single battery temperature to be monitored, the battery pack voltage to be monitored, and the battery pack current to be monitored are uploaded to the wireless host through the wireless communication interface through wireless signals, and the remote control instructions of the wireless host are received to realize the control linkage of the on-site equipment.

[0029] Furthermore: an overcurrent protection circuit is serially connected to the voltage collection line. When a short circuit occurs in the loop of the battery to be monitored, the overcurrent protection circuit is disconnected, so that the battery to be monitored is disconnected from the battery voltage collection interface.

[0030] In the above structure: an overcurrent protection circuit is connected in series on the voltage collection line to protect the monitored battery from burning out. When a short circuit occurs in the circuit of a single monitored battery, the overcurrent protection circuit disconnects the collection circuit of the monitored battery to prevent the monitored battery from being short-circuited and causing danger.

[0031] Further: the battery voltage collection interface and the battery temperature collection interface are respectively provided with 9 groups, each group of interfaces is connected to the battery to be monitored through a 5-core nylon mesh harness, of which 2 cores are used for battery cell voltage collection and 3 cores are used for battery cell temperature collection.

[0032] In the above structure: the battery voltage acquisition interface and the battery temperature acquisition interface have 9 groups of voltage acquisition signals and 9 groups of temperature acquisition signals respectively, which can collect the voltage of 9 individual batteries and the temperature of 9 individual batteries to be monitored. Each group of interfaces and the batteries to be monitored are connected through a 5-core nylon mesh harness, of which 2 cores are used for battery single cell voltage acquisition and 3 cores are used for battery single cell temperature acquisition. The collected voltage, temperature and resistance data are uploaded to the host computer and wireless host through the wired communication interface or the wireless communication interface.

[0033] Furthermore: the current acquisition transformer adopts a voltage-type Hall current transmitter with a measurement range of 0 to 200A.

[0034] Further: the interface collection voltage range of the group voltage collection interface is DC0-500V.

[0035] Compared with the prior art, the beneficial effects of the utility model are:

[0036] The single device of this application can collect the voltage, temperature, internal resistance, group current and group voltage of 9 single batteries, and can meet the collection requirements of batteries in most distribution stations. It is small in size and convenient for on-site construction and wiring. At the same time, data can be transmitted wirelessly, eliminating on-site construction wiring work and improving construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the structure of this application;

[0038] List of reference numerals:

[0039] 1. Shell; 2. Display screen; 3. Monitoring main board; 4. Discharge resistor; 5. Battery voltage acquisition interface; 6. Voltage acquisition line; 7. Overcurrent protection circuit; 8. Battery temperature acquisition interface; 9. Temperature acquisition line; 10. Group current acquisition interface; 11. Current acquisition transformer; 12. Group voltage acquisition interface; 13. Remote signal and remote control interface; 14. Wired communication interface; 15. Wireless communication interface; 16. Power supply interface. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementations:

[0041] like Figure 1 As shown, the utility model proposes a data acquisition and monitoring device for a battery group in a power distribution station, comprising a housing 1, a host computer and a wireless host. A monitoring mainboard 3 is installed in the housing 1. The monitoring mainboard 3 is connected to the host computer and the wireless host respectively to realize the transmission of data and instructions.

[0042] The monitoring mainboard 3 is provided with a discharge resistor 4. When the monitoring mainboard 3 receives an internal resistance measurement instruction from the host computer, the single monitored battery is discharged in turn through the discharge resistor 4 for a short time, and the internal resistance of the single monitored battery after discharge is calculated, so as to realize the internal resistance monitoring of the single monitored battery;

[0043] The monitoring mainboard 3 is provided with a battery voltage acquisition interface 5, and the battery voltage acquisition interface 5 is connected to a single battery to be monitored through a voltage acquisition line 6, and the voltage monitoring of a single battery to be monitored is realized through the battery voltage acquisition interface 5;

[0044] The monitoring mainboard 3 is provided with a battery temperature acquisition interface 8, and the battery temperature acquisition interface 8 is connected to a single battery to be monitored through a temperature acquisition line 9, and the temperature monitoring of a single battery to be monitored is realized through the battery temperature acquisition interface 8;

[0045] The monitoring main board 3 is provided with a group current acquisition interface 10 for collecting the busbar working current of the battery group to be monitored. The group current acquisition interface 10 is connected to a current acquisition transformer 11, and the current acquisition transformer 11 is connected to the battery group to be monitored. By transmitting the current signal collected by the current acquisition transformer 11 to the group current acquisition interface 10, the current monitoring of the battery group to be monitored is realized;

[0046] The monitoring mainboard 3 is provided with a group voltage acquisition interface 12 for acquiring the busbar working voltage of the battery group to be monitored. The busbar of the battery group to be monitored is directly connected to the group voltage acquisition interface 12 to realize the monitoring of the busbar voltage of the battery group to be monitored;

[0047] The monitoring mainboard 3 is provided with a remote signaling and remote control interface 13, and the remote signaling and remote control interface 13 is connected to a sensor device with remote signaling and remote control functions. The monitoring mainboard 3 issues remote control commands according to the data collected by the remote signaling to realize linkage control;

[0048] The monitoring mainboard 3 is provided with a power interface 16 , and the power interface 16 is connected to a power source for supplying power to the monitoring mainboard 3 .

[0049] The present application proposes a data acquisition and monitoring device for a battery pack in a power distribution station, which can monitor the voltage, current or resistance of a single battery or a battery pack. A single device of the present application can collect the voltage, temperature, internal resistance, battery pack current and battery pack voltage of 9 single batteries, and can meet the data acquisition requirements of batteries in most power distribution stations.

[0050] The monitoring mainboard 3 installed in the housing 1 is used to monitor the voltage, current, temperature and resistance of a single battery or battery pack. In addition, the monitoring mainboard 3 is also connected to the host computer and the wireless host respectively to transmit the monitoring data of the voltage, current, temperature and resistance of the single battery or battery pack to the host computer and the wireless host, and receive the internal resistance measurement instructions and remote control instructions from both.

[0051] A plurality of interfaces are arranged on the monitoring main board 3, namely a battery voltage acquisition interface 5, a battery temperature acquisition interface 8, a group current acquisition interface 10, and a group voltage acquisition interface 12, which are respectively used for collecting the voltage and temperature of a single battery and the current and voltage of a battery group. The internal resistance of a single battery can also be collected by setting a discharge resistor 4.

[0052] Among them, a discharge resistor 4 is arranged on the monitoring mainboard 3. When the monitoring mainboard 3 receives the internal resistance measurement instruction of the upper computer, the monitoring mainboard 3 performs a short-time discharge on each battery to be monitored through the cement plug-in resistor installed in the housing 1, whose resistance power is 30W, resistance value is 6Ω, and maximum working voltage is 750V, and calculates the internal resistance of a single battery to be monitored after discharge, so as to realize the internal resistance monitoring of a single battery to be monitored;

[0053] The battery voltage collection interface 5 is connected to a single battery to be monitored via a voltage collection line 6, and voltage monitoring of a single battery to be monitored can be achieved via the battery voltage collection interface 5;

[0054] The battery temperature acquisition interface 8 is connected to a single battery to be monitored through a temperature acquisition line 9, and the temperature monitoring of a single battery to be monitored can be realized through the battery temperature acquisition interface 8;

[0055] The group current acquisition interface 10 acquires the bus current of the battery group through the current acquisition transformer 11. The current acquisition transformer 11 adopts a voltage-type Hall current transmitter with a measurement range of 0 to 200A. The group current acquisition interface 10 includes a transformer signal interface and a power output interface. The transformer signal interface is connected to the output signal of the current acquisition transformer 11. The power output interface is connected to the current acquisition transformer 11 and supplies power to it. The transformer signal interface transmits the current signal collected by the current acquisition transformer 11 to the group current acquisition interface 10, thereby realizing the current monitoring of the battery group to be monitored.

[0056] The group voltage acquisition interface 12 directly acquires the bus voltage of the battery group to be monitored. The voltage acquisition range of the group voltage acquisition interface 12 is DC 0-500V. The interface uses an isolation method to isolate the high voltage. The isolation withstand voltage capacity is 2KV. The bus of the battery group to be monitored is directly connected to the group voltage acquisition interface 12, so that the bus voltage of the battery group to be monitored can be monitored.

[0057] The monitoring mainboard 3 is provided with a telesignaling and remote control interface 13, which is connected to a sensor device with telesignaling and remote control functions. The monitoring mainboard 3 collects the telesignaling data of the sensor and uploads it to the upper computer and the wireless host. When the monitoring mainboard 3 receives the remote control instructions from the upper computer and the wireless host, it controls the on-site equipment according to the remote control instructions to achieve linkage.

[0058] The power interface 16 provided on the monitoring mainboard 3 is used to supply power to the monitoring mainboard 3 to enable it to operate normally.

[0059] In this example: it also includes a display screen 2, which is installed on the outer surface of the housing 1. The display screen 2 is connected to the monitoring mainboard 3 and is used to display the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, the current of a battery group to be monitored, the internal resistance of a battery group to be monitored, and time information. The display screen 2 is a 4.3-inch intelligent serial port screen, which is installed on the surface of the housing 1 and can display the collected information such as the voltage, temperature, current of a battery group to be monitored, voltage of a battery group to be monitored, internal resistance of a battery, and time of a single battery to be monitored, and refresh the data in real time, so as to facilitate on-site viewing of the working status of the battery.

[0060] In this example: the monitoring mainboard 3 is also provided with a wired communication interface 14, which adopts RS485 communication circuit and is connected to the host computer through a connecting line. The collected data information of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of the battery group to be monitored, and the current of the battery group to be monitored are transmitted to the host computer through the wired communication interface 14, and the host computer internal resistance measurement instruction is received, and the internal resistance measurement result is transmitted to the host computer. The connection between the monitoring mainboard 3 and the host computer is realized by setting a priority communication interface on the monitoring mainboard 3. The wired communication interface 14 adopts RS485 communication circuit to communicate with the host computer through a connecting line, uploads the collected data in real time, and receives the control instruction of the host computer through the wired communication interface 14. At the same time, the device can be configured and debugged on site through the debugging software.

[0061] In this example: the monitoring mainboard 3 is also provided with a wireless communication interface 15, which is connected to the wireless host by LoRa communication, and the collected data of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, and the current of a battery group to be monitored are uploaded to the wireless host by wireless signals through the wireless communication interface 15, and the remote control command of the wireless host is received. The wireless communication interface 15 is connected to the wireless host by LoRa communication, and the communication frequency is 470M. The collected data of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, and the current of a battery group to be monitored are uploaded to the wireless host by wireless signals through the wireless communication interface 15, and the remote control command of the wireless host is received, so as to realize the control linkage of the field equipment.

[0062] In this example: the voltage collection line 6 is connected in series with an overcurrent protection circuit 7. When a short circuit occurs in the battery circuit to be monitored, the overcurrent protection circuit 7 is disconnected to disconnect the battery to be monitored from the battery voltage collection interface 5. The voltage collection line 6 is connected in series with an overcurrent protection circuit 7 to protect the battery to be monitored from burning out. When a short circuit occurs in a single battery circuit to be monitored, the overcurrent protection circuit 7 disconnects the collection circuit of the battery to be monitored to prevent the battery to be monitored from being short-circuited and causing danger.

[0063] In this example: the battery voltage acquisition interface 5 and the battery temperature acquisition interface 8 are respectively provided with 9 groups, and each group of interfaces is connected to the battery to be monitored through a 5-core nylon mesh harness, of which 2 cores are used for battery cell voltage acquisition, and 3 cores are used for battery cell temperature acquisition. The battery voltage acquisition interface 5 and the battery temperature acquisition interface 8 have 9 groups of voltage acquisition signals and 9 groups of temperature acquisition signals, respectively, which can collect the voltage of 9 individual batteries and the temperature of 9 individual batteries to be monitored. Each group of interfaces is connected to the battery to be monitored through a 5-core nylon mesh harness, of which 2 cores are used for battery cell voltage acquisition, and 3 cores are used for battery cell temperature acquisition. The collected voltage, temperature, and resistance data are uploaded to the host computer and the wireless host through the wired communication interface 14 or the wireless communication interface 15.

[0064] The current acquisition transformer 11 adopts a voltage type Hall current transmitter with a measurement range of 0 to 200A.

[0065] The interface collection voltage range of the group voltage collection interface 12 is DC0-500V.

[0066] The single device of this application can collect the voltage, temperature, internal resistance, group current and group voltage of 9 single batteries, and can meet the collection requirements of batteries in most distribution stations. It is small in size and convenient for on-site construction and wiring. At the same time, data can be transmitted wirelessly, eliminating on-site construction wiring work and improving construction efficiency.

[0067] The above is only a preferred embodiment of the present invention and does not constitute any other limitation on the present invention. Any modification or equivalent change made based on the technical essence of the present invention still falls within the scope of protection required by the present invention.

Claims

1. A data collection and monitoring device for a battery pack in a power distribution station, characterized in that: The device comprises a housing (1), a host computer and a wireless host. A monitoring mainboard (3) is installed in the housing (1). The monitoring mainboard (3) is connected to the host computer and the wireless host respectively to realize the transmission of data and instructions. The monitoring mainboard (3) is provided with a discharge resistor (4). When the monitoring mainboard (3) receives an internal resistance measurement instruction from a host computer, the single storage battery to be monitored is discharged in turn for a short time through the discharge resistor (4), and the internal resistance of the single storage battery to be monitored after discharge is calculated, thereby realizing internal resistance monitoring of the single storage battery to be monitored; The monitoring main board (3) is provided with a battery voltage acquisition interface (5), and the battery voltage acquisition interface (5) is connected to a single battery to be monitored via a voltage acquisition line (6), and voltage monitoring of the single battery to be monitored is achieved via the battery voltage acquisition interface (5); The monitoring main board (3) is provided with a battery temperature acquisition interface (8), the battery temperature acquisition interface (8) is connected to a single battery to be monitored via a temperature acquisition line (9), and the temperature monitoring of the single battery to be monitored is achieved via the battery temperature acquisition interface (8); The monitoring main board (3) is provided with a group current acquisition interface (10) for acquiring the busbar working current of the battery group to be monitored. The group current acquisition interface (10) is connected to a current acquisition transformer (11), and the current acquisition transformer (11) is connected to the battery group to be monitored. The current signal acquired by the current acquisition transformer (11) is transmitted to the group current acquisition interface (10), thereby realizing the current monitoring of the battery group to be monitored. The monitoring main board (3) is provided with a group voltage acquisition interface (12) for acquiring the busbar working voltage of the battery group to be monitored. The busbar of the battery group to be monitored is directly connected to the group voltage acquisition interface (12) to realize the monitoring of the busbar voltage of the battery group to be monitored. The monitoring mainboard (3) is provided with a remote signaling and remote control interface (13), the remote signaling and remote control interface (13) is connected to a sensor device having remote signaling and remote control functions, and the monitoring mainboard (3) issues remote control instructions based on data collected by remote signaling to realize linkage control; The monitoring mainboard (3) is provided with a power supply interface (16), and the power supply interface (16) is connected to a power source for supplying power to the monitoring mainboard (3).

2. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: It also includes a display screen (2), which is mounted on the outer surface of the housing (1), and is connected to the monitoring mainboard (3) and is used to display the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, the current of a battery group to be monitored, the internal resistance of a battery group to be monitored, and time information.

3. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: The monitoring main board (3) is also provided with a wired communication interface (14), which adopts an RS485 communication circuit and is connected to a host computer via a connecting line. The collected data information of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, and the current of a battery group to be monitored are transmitted to the host computer via the wired communication interface (14), and an internal resistance measurement instruction of the host computer is received, and the internal resistance measurement result is transmitted to the host computer.

4. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: The monitoring main board (3) is also provided with a wireless communication interface (15), which is connected to a wireless host using LoRa communication, and the collected data of the voltage of a single battery to be monitored, the temperature of a single battery to be monitored, the voltage of a battery group to be monitored, and the current of a battery group to be monitored are uploaded to the wireless host via wireless signals through the wireless communication interface (15), and remote control commands of the wireless host are received.

5. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: An overcurrent protection circuit (7) is serially connected to the voltage collection line (6); when a short circuit occurs in the loop of the battery to be monitored, the overcurrent protection circuit (7) is disconnected to disconnect the battery to be monitored from the battery voltage collection interface (5).

6. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: The battery voltage acquisition interface (5) and the battery temperature acquisition interface (8) are respectively provided with 9 groups, and each group of interfaces is connected to the battery to be monitored via a 5-core nylon mesh harness, of which 2 cores are used for battery cell voltage acquisition and 3 cores are used for battery cell temperature acquisition.

7. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: The current collection transformer (11) adopts a voltage-type Hall current transmitter with a measurement range of 0 to 200A.

8. The data collection and monitoring device for a battery pack in a power distribution station according to claim 1 is characterized in that: The interface collection voltage range of the group voltage collection interface (12) is DC0-500V.

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