CN210534290U - Battery acquisition system - Google Patents
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- CN210534290U CN210534290U CN201921425813.XU CN201921425813U CN210534290U CN 210534290 U CN210534290 U CN 210534290U CN 201921425813 U CN201921425813 U CN 201921425813U CN 210534290 U CN210534290 U CN 210534290U
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Abstract
The utility model relates to a battery collection system, including a plurality of battery collection modules, a battery information management host computer, a monitoring server who is used for showing battery current state in real time and a file server who is used for saving historical data collection, each battery collection module connects an at least battery respectively, battery collection module is by the battery power supply that corresponds, or passes through the adapter power supply by external power source, each the equal wireless connection of battery collection module battery information management host computer, battery information management host computer still is wireless connection respectively monitoring server and file server, monitoring server still connects file server. The utility model discloses can guarantee the battery collection module that the integrality of the real-time demonstration of data and backup data and adopted simultaneously reduces development cost, and uses more in a flexible way.
Description
Technical Field
The utility model relates to a battery acquisition system belongs to battery data acquisition field.
Background
The existing battery acquisition system is generally applied to an unattended backup battery pack, such as a backup power supply of a base station, an electric forklift power supply and other systems, and is mainly used for monitoring the battery state including important information such as battery pack voltage, current, temperature, internal resistance and the like, so that battery maintenance personnel can conveniently know the health state of the battery and judge whether the battery needs to be replaced in time to ensure the normal operation of equipment under emergency conditions. The existing battery collection system has the following problems: 1. the collected data are received, stored and displayed in real time through a server, when the backup power supply is applied to the mobile device, the mobile device enters a non-signal area, such as a cave and a tunnel, the server cannot receive the collected data, the condition that the collected data are lost occurs, and subsequent data analysis and the like are influenced. 2. The module for collecting battery states needs to be developed according to monitoring requirements, not only is the development period long and the development cost of equipment is increased, but there is commonality between the collection modules, for example, the existing large-capacity battery pack is composed of a plurality of batteries, the voltage of the battery pack is 1.2V, 2V, 6V, 9V, 12V and the like, and regardless of which voltage value of the battery pack, hardware circuits of a data processing part of the core of the collection module for monitoring each battery are the same, so that if the collection module is customized and developed one by one, a large amount of repeated development time needs to be consumed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a battery collection system, its battery information management host computer is when receiving the data collection, and the retest is sent respectively for monitoring server and file server after preserving, guarantees the real-time demonstration of data and the integrality of backup data. And simultaneously, the utility model discloses in the battery collection module of adopting, reduce development cost, and use more in a flexible way.
The technical scheme of the utility model as follows:
a battery acquisition system comprises a plurality of battery acquisition modules, a battery information management host, a monitoring server and a file server, wherein the monitoring server is used for displaying the current state of a battery in real time, the file server is used for storing historical acquisition data, each battery acquisition module is respectively connected with at least one battery, the battery acquisition modules are powered by corresponding batteries or are powered by an external power supply through an adapter, each battery acquisition module is wirelessly connected with the battery information management host, the battery information management host is also respectively and wirelessly connected with the monitoring server and the file server, and the monitoring server is also connected with the file server.
Preferably, the battery collection module comprises a main control unit and a functional unit; the main control unit comprises a processor, and an A/D conversion circuit or an external A/D conversion circuit is arranged in the processor; the functional components comprise a power supply conversion circuit, a constant voltage output circuit and at least one acquisition unit, wherein the input end of the power supply conversion circuit is connected with two ends of a monitored battery or a connection adapter, the output of the power supply conversion circuit provides working voltage for an acquisition module, each acquisition unit comprises an acquisition element and a voltage conversion circuit, the acquisition element monitors the battery, acquires an acquisition signal, the acquisition signal is input into the voltage conversion circuit, the voltage conversion circuit is connected with the A/D conversion circuit, the A/D conversion circuit outputs a digital signal, the constant voltage output circuit outputs identification voltage for identifying the acquisition type of the functional components, the identification voltage is input into the processor, the processor determines the acquisition type of the functional components according to the identification voltage and processes the digital signal output by the A/D conversion circuit according to the acquisition type, and obtaining the monitoring value of the monitored battery.
Preferably, the functional component is a component for collecting voltage, a component for collecting current, a component for collecting temperature, a component for collecting battery liquid level, a component for collecting battery internal resistance or any combination of the above collection types.
Preferably, the functional unit is a unit for collecting battery voltage, an input end of a power conversion circuit of the functional unit is connected with a positive electrode and a negative electrode of the monitored battery, an output of the power conversion circuit provides working voltage for the constant voltage output circuit, the collecting unit and the main control unit, collecting elements of the collecting unit are two wires, the voltage conversion unit is respectively connected with the positive electrode and the negative electrode of the battery through the two wires, and an output of the voltage conversion unit is connected with the a/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage acquisition, and the voltage value is input into the processor.
Preferably, the functional unit is a unit for collecting battery voltage and temperature, an input end of a power conversion circuit of the functional unit is connected with a positive electrode and a negative electrode of a monitored battery, an output of the power conversion circuit provides working voltage for the constant voltage output circuit, the collecting unit and the main control unit, the functional unit further comprises two collecting units which are respectively a temperature collecting unit and a voltage collecting unit, the temperature collecting unit comprises a temperature sensor and a voltage conversion circuit which are connected with each other, the voltage collecting unit comprises two wires and a voltage conversion circuit which are connected with each other, input ends of the two wires are respectively connected with the positive electrode and the negative electrode of the battery, and outputs of the collecting units are respectively input into the a/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage and temperature acquisition, and the voltage value is input into the processor.
More preferably, the functional component is a component for collecting current; the input end of a power supply conversion circuit of the functional component is connected with the adapter, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the acquisition unit and the main control component, the functional component comprises an acquisition unit for acquiring current, the acquisition unit comprises a current sensor and a voltage conversion circuit which are connected with each other, and the output of the acquisition unit is input into the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying current collection, and the voltage value is input into the processor.
Preferably, each battery collection module is respectively connected with a battery, and the battery collection module is powered by the battery or an external power supply through an adapter.
Preferably, the battery collection system further comprises a plurality of mobile terminals and/or computer terminals, and each of the mobile terminals and/or computer terminals is wirelessly connected to the monitoring server.
The utility model discloses following beneficial effect has:
the utility model discloses a battery acquisition system, with file storage backup and the separate management of real-time display, receive real-time data collection through monitoring server, then the current battery state of real-time display, receive the data collection that comes from battery information management host computer and through the battery management host computer storage back through file server, guarantee that battery information collection's real-time display and data collection's are complete not lost.
The utility model discloses a battery collection system adopts a battery collection module, and it develops the functional unit according to gathering the type, then functional unit assembles with the main control unit, can obtain the collection module of this collection type, has shortened the research and development cycle greatly, has reduced the research and development cost, and when breaking down, is convenient for change the maintenance.
Drawings
Fig. 1 is a schematic block diagram of a battery collection system according to the present invention;
fig. 2 is a schematic diagram of a battery collection module according to the present invention;
fig. 3 is another schematic diagram of a battery collection module according to the present invention;
fig. 4 is a schematic circuit diagram of a main control unit of the battery collecting module of the present invention;
fig. 5 is a schematic diagram of a constant output circuit of the battery collecting module of the present invention;
fig. 6 is a schematic diagram of an acquisition unit for temperature acquisition in the present invention;
FIG. 7 is a schematic diagram of a voltage conversion circuit when the battery voltage collected in the present invention is large;
fig. 8 is a schematic diagram of a battery collection module for collecting current according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a battery collection system includes a plurality of battery collection modules, a battery information management host, a monitoring server for displaying the current state of a battery in real time, and a file server for storing historical collection data, where each battery collection module is connected to at least one battery, the battery collection module is powered by a corresponding battery or is powered by an external power source through an adapter, each battery collection module is wirelessly connected to the battery information management host, the battery information management host is also wirelessly connected to the monitoring server and the file server, and the monitoring server is also connected to the file server. The battery acquisition module comprises a battery voltage and temperature acquisition module, a battery voltage and battery liquid level acquisition module, a battery voltage and internal resistance acquisition module, a battery voltage and temperature liquid level internal resistance comprehensive acquisition module, a battery current acquisition module, a voltage acquisition module, a temperature acquisition module, a current acquisition module and the like. When a plurality of batteries form a battery pack, and the battery pack is monitored by a battery acquisition module, the state of the whole battery pack is monitored by taking the battery pack as a unit, and a certain battery cannot be specifically positioned, so that when the state of the battery pack is abnormal, the whole battery pack needs to be replaced, and therefore, preferably, each battery acquisition module is respectively connected with one battery, and the battery acquisition module is powered by the battery or an external power supply through an adapter, so that the battery with a problem can be accurately positioned.
The battery acquisition system further comprises a plurality of mobile terminals and/or computer terminals, and each mobile terminal and/or computer terminal is in wireless connection with the monitoring server. The user acquires real-time acquisition data from the monitoring server through the mobile terminal and/or the computer terminal, monitors the battery state in real time, or sends a control command to the monitoring server through the mobile terminal, for example, the command of acquiring historical data is received, and the monitoring server accesses the file server to acquire the historical data after receiving the control command and returns the historical data to the mobile terminal.
The battery information management host receives the collected data sent by each battery collection module, on one hand, the collected data can be sent to the monitoring server in real time, on the other hand, the collected data can be stored, and then the stored collected data is sent to the file server for storage and backup at regular time. The user views real-time battery status information through the monitoring server. The user can also ask for historical acquisition data from the file server through the monitoring server to know the historical acquisition data, and the method can be used for judging whether the battery needs to be maintained, pre-judging the service life of the battery and the like.
The utility model discloses a battery acquisition system, with file storage backup and the separate management of real-time display, receive real-time data collection through monitoring server, then the current battery state of real-time display, receive the data collection that comes from battery information management host computer and through the battery management host computer storage back through file server, guarantee that battery information collection's real-time display and data collection's are complete not lost.
As shown in fig. 2 and 3, the battery collecting module includes a main control unit and a functional unit; the main control unit comprises a processor, and an A/D conversion circuit or an external A/D conversion circuit is arranged in the processor; the functional components comprise a power supply conversion circuit, a constant voltage output circuit and at least one acquisition unit, wherein the input end of the power supply conversion circuit is connected with two ends of a monitored battery or a connection adapter, the output of the power supply conversion circuit provides working voltage for an acquisition module, each acquisition unit comprises an acquisition element and a voltage conversion circuit, the acquisition element monitors the battery, acquires an acquisition signal, the acquisition signal is input into the voltage conversion circuit, the voltage conversion circuit is connected with the A/D conversion circuit, the A/D conversion circuit outputs a digital signal, the constant voltage output circuit outputs identification voltage for identifying the acquisition type of the functional components, the identification voltage is input into the processor, the processor determines the acquisition type of the functional components according to the identification voltage and processes the digital signal output by the A/D conversion circuit according to the acquisition type, and obtaining the monitoring value of the monitored battery. The main control unit and the functional unit can be connected through a signal line or a wire, preferably, the main control unit and the functional unit are connected through a connector and provide a signal transmission channel, and the connector generally adopts a pin header connector. The connector is more convenient to connect. The power supply conversion circuit is a boosting and/or voltage reducing circuit, when the input voltage is low, for example, the voltage at two ends of the battery is lower than 3.3V, the power supply conversion circuit adopts a boosting circuit, when the input voltage is high, for example, if the voltage at two ends of the battery is 6V, 12V and the like, the power supply conversion circuit adopts a voltage reducing circuit, and the output of the power supply conversion circuit supplies power for the acquisition unit, the constant voltage output circuit and the main control component.
The main control unit can adopt the circuit shown in fig. 4, which comprises a processor, two connectors and a filter circuit, the connector J1 transmits a sampling signal and an identification voltage signal DECAY, wherein the sampling signal comprises a voltage signal at two ends of the battery BAT and a temperature signal TEMP of a temperature sensor, and the processor can adopt 51 series, PIC series, STC8 series, AVR series and ARM series.
Since the upper limit of the voltage recognizable by the a/D conversion circuit is the a/D reference voltage value, the a/D reference voltage value is generally small, and particularly, the a/D conversion circuit located in the processor is generally not higher than the operating voltage of the processor. However, the amplitude of the signal to be acquired is often greater than the reference voltage, and therefore, a voltage conversion circuit needs to be arranged on the functional component to attenuate the acquired signal, so that the amplitude of the input signal meets the identification voltage range of the a/D conversion circuit, and the a/D conversion circuit can normally perform analog quantity conversion.
It will be appreciated by those skilled in the art that the processor has internal memory, which may be used to store a computer program that is executed to cause the processor to operate, and therefore it is common knowledge in the art to store data processing algorithms that are used to process acquired data within the processor. The processor determines which data processing algorithm should be used to process the received digital signal based on the received identification voltage. The calculation principle of the data processing algorithm is to restore the amplitude of the received digital signal to the amplitude of the original acquired signal, for example, the voltage signal acquired by the functional component is attenuated by 10 times through the voltage conversion circuit, the data processing algorithm is used for restoring the digital signal by 10 times after amplifying the digital signal, and if the functional component is used for acquiring temperature, the data processing algorithm restores the real temperature value according to the attenuation proportion of the voltage conversion circuit and the corresponding relation between the temperature and the resistance value of the temperature sensitive resistor at different temperature values. This is a simple data processing.
The functional component can be a component for collecting voltage, a component for collecting current, a component for collecting temperature, a component for collecting liquid level of the battery, a component for collecting internal resistance of the battery or any combination of the above collection types. For different types of acquisition, a constant voltage circuit on a functional component of the acquisition device is set to output different identification voltages, and the constant voltage circuit can adopt a circuit shown in fig. 5. For example, a functional part for temperature acquisition, which outputs an identification voltage of 2V; the functional component is used for collecting voltage, and the output identification voltage of the functional component is 1.5V; the functional component is used for acquiring voltage and temperature, and the output identification voltage of the functional component is 2.25V; the functional component for current collection outputs a recognition voltage of 2.5V.
When the functional component is a component for collecting temperature, the input end of a power supply conversion circuit of the functional component is connected with the anode and the cathode of the monitored battery, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the collecting unit and the main control component, the collecting element of the collecting unit is a temperature sensor, the voltage conversion unit is connected with the output section of the temperature collecting element, and the output of the voltage conversion unit is connected with the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage acquisition, for example, the constant voltage output circuit outputs an identification voltage of 2V, which is input to the processor. The constant voltage output circuit may employ a circuit as shown in fig. 5. The circuit shown in fig. 5 is the simplest dc voltage converting circuit, and by setting the resistances of the resistors R1 and R2, the output voltage of the voltage dividing point b is equal to the set identification voltage, and for those skilled in the art, there are various ways to implement the dc voltage converting circuit, and the present invention is not limited thereto. In this embodiment, when the resistance of R1 is set to 13K and the resistance of R2 is set to 20K, 2V identification power is output at the voltage division point b. As shown in fig. 6, the collecting unit is a temperature sensor Rt and a voltage converting circuit a. The constant voltage output circuit outputs 2V identification voltage to a processor of the main control unit, and the processor calls a temperature data processing algorithm. The temperature sensor reacts the temperature change into resistance value change, each temperature corresponds to a resistance value, the voltage conversion circuit A is a voltage division circuit, the voltage value at the point a is input into the A/D conversion circuit due to the fact that current flows through the temperature sensor to generate voltage drop, the voltage value is converted into a digital signal, a temperature data processing algorithm in the processor restores the digital signal into a real temperature value according to a corresponding relation between the temperature and the resistance value of the voltage division circuit and the temperature sensitive resistor at different temperature values.
Work as during the functional unit is for the part that is used for gathering battery voltage, the positive pole and the negative pole of monitoring the battery are connected to the power conversion circuit's of functional unit input, power conversion circuit's output does constant voltage output circuit, acquisition unit and main control unit provide operating voltage, the collection component of acquisition unit is two wires, voltage conversion unit passes through the positive pole and the negative pole of battery are connected respectively to two wires to gather battery voltage, the voltage of gathering through the attenuation of voltage conversion circuit, make the amplitude of gathering voltage satisfy AD converting circuit's discernment voltage range. Generally, when the battery voltage is greater than 2V, the signal is collected through attenuation of the voltage conversion circuit, and as shown in fig. 7, when R3= R5, R4= R6, R3: R4= 10:1, the attenuation is ten times; when the battery voltage is less than or equal to 2V, the voltage conversion circuit performs the following steps according to 1: 1 proportion output battery voltage, as in the circuit shown in fig. 6, R3= R4= R5= R6, which is 1: 1 output. The output of the voltage conversion circuit is connected with the A/D conversion circuit; the output of the voltage conversion unit is connected with the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage acquisition, for example, outputs 1.5V identification voltage, the voltage value is input into the processor, the main control part calls a voltage data processing algorithm according to the received identification voltage, the voltage data processing algorithm restores data to the input digital signal from voltage acquisition according to the inverse proportion of the attenuation proportion to obtain the actually measured voltage value, and the data processing algorithm is a conventional technical means in the field, but not the invention of the utility model.
When the functional component is used for collecting the voltage and the temperature of the battery, the input end of the power supply conversion circuit of the functional component is connected with the anode and the cathode of the monitored battery, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the acquisition unit and the main control unit, the functional component comprises two acquisition units, namely a temperature acquisition unit and a voltage acquisition unit, the temperature acquisition unit comprises a temperature sensor and a voltage conversion circuit which are connected with each other (the temperature acquisition unit is shown in figure 6), the voltage acquisition unit comprises two wires and a voltage conversion circuit which are connected with each other (the voltage acquisition unit is shown in figure 7), the input ends of the two leads are respectively connected with the anode and the cathode of the battery, and the output of each acquisition unit is respectively input into the A/D conversion circuit; the constant voltage output circuit outputs and outputs 2.25V of identification voltage to a processor of the main control unit. And the processor calls a temperature data processing algorithm and a voltage data processing algorithm according to the identification voltage to respectively process the digital signals output by the A/D conversion circuit, so as to obtain an actually measured voltage value and a temperature value.
As shown in fig. 8, when the battery collection module is used for current collection, if the collected current is small, the monitored battery is adopted as the battery collection module to supply power, and some influences are caused on the collected current precision, so that the power is supplied through the adapter, and the accuracy of current monitoring can be improved. The input end of the power supply conversion circuit of the functional component is connected with the adapter, and the power supply conversion module converts the power supply output by the adapter into 5V and 3.3V. The output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the acquisition unit and the main control unit, the functional unit comprises an acquisition unit for acquiring current, the acquisition unit comprises a current sensor (generally a Hall current sensor is adopted, the working voltage of the current sensor is 5V) and a voltage conversion circuit which are connected with each other, the current sensor is arranged on a lead wire connected with the end parts of the positive electrode and the negative electrode of the battery, and an acquisition signal acquired by the current sensor is attenuated by the voltage conversion circuit and then input into the A/D conversion circuit; the constant voltage output circuit outputs 2.5V identification voltage, the voltage value is input into the processor, the processor calls a current data processing algorithm according to the identification voltage to process the digital signal output by the A/D conversion circuit, the calculation is carried out according to the attenuation proportion of the voltage conversion circuit and the corresponding relation of the temperature and the resistance value of the temperature sensitive resistor at different temperature values, and the actual current value is restored.
The battery acquisition modules with different acquisition types can be obtained by developing the functional components according to the acquisition types and then assembling the functional components with the main control component. The identification voltage output by the constant voltage output circuit on the functional unit can enable the main control unit to call a corresponding data processing algorithm, the collected data are processed, a monitoring value is obtained, the research and development period is greatly shortened, the research and development cost is reduced, and the replacement and maintenance are convenient when a fault occurs.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A battery harvesting system, comprising: the system comprises a plurality of battery acquisition modules, a battery information management host, a monitoring server for displaying the current state of a battery in real time and a file server for storing historical acquisition data, wherein each battery acquisition module is respectively connected with at least one battery, the battery acquisition modules are powered by corresponding batteries or an external power supply through an adapter, each battery acquisition module is wirelessly connected with the battery information management host, the battery information management host is also respectively and wirelessly connected with the monitoring server and the file server, and the monitoring server is also connected with the file server.
2. A battery harvesting system according to claim 1, wherein: the battery acquisition module comprises a main control unit and a functional unit; the main control unit comprises a processor, and an A/D conversion circuit or an external A/D conversion circuit is arranged in the processor; the functional components comprise a power supply conversion circuit, a constant voltage output circuit and at least one acquisition unit, wherein the input end of the power supply conversion circuit is connected with two ends of a monitored battery or a connection adapter, the output of the power supply conversion circuit provides working voltage for an acquisition module, each acquisition unit comprises an acquisition element and a voltage conversion circuit, the acquisition element monitors the battery, acquires an acquisition signal, the acquisition signal is input into the voltage conversion circuit, the voltage conversion circuit is connected with the A/D conversion circuit, the A/D conversion circuit outputs a digital signal, the constant voltage output circuit outputs identification voltage for identifying the acquisition type of the functional components, the identification voltage is input into the processor, the processor determines the acquisition type of the functional components according to the identification voltage and processes the digital signal output by the A/D conversion circuit according to the acquisition type, and obtaining the monitoring value of the monitored battery.
3. A battery harvesting system according to claim 2, wherein: the functional components are components for collecting voltage, current, temperature, battery liquid level, internal resistance or any combination thereof.
4. A battery harvesting system according to claim 2, wherein: the functional unit is used for collecting temperature, the input end of a power supply conversion circuit of the functional unit is connected with the anode and the cathode of a monitored battery, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the collecting unit and the main control unit, the collecting element of the collecting unit is a temperature sensor, the voltage conversion unit is connected with the output section of the temperature collecting element, and the output of the voltage conversion unit is connected with the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage acquisition, and the voltage value is input into the processor.
5. A battery harvesting system according to claim 2, wherein: the functional unit is used for collecting the voltage of the battery, the input end of a power supply conversion circuit of the functional unit is connected with the anode and the cathode of the monitored battery, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the collecting unit and the main control unit, the collecting element of the collecting unit is two leads, the voltage conversion unit is respectively connected with the anode and the cathode of the battery through the two leads, and the output of the voltage conversion unit is connected with the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage acquisition, and the voltage value is input into the processor.
6. A battery harvesting system according to claim 2, wherein: the functional unit is used for collecting the voltage and the temperature of the battery, the input end of a power supply conversion circuit of the functional unit is connected with the anode and the cathode of the monitored battery, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the collecting unit and the main control unit, the functional unit further comprises two collecting units which are respectively a temperature collecting unit and a voltage collecting unit, the temperature collecting unit comprises a temperature sensor and a voltage conversion circuit which are connected with each other, the voltage collecting unit comprises two leads and a voltage conversion circuit which are connected with each other, the input ends of the two leads are respectively connected with the anode and the cathode of the battery, and the output of each collecting unit is respectively input into the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying voltage and temperature acquisition, and the voltage value is input into the processor.
7. A battery harvesting system according to claim 2, wherein: the functional component is used for collecting current; the input end of a power supply conversion circuit of the functional component is connected with the adapter, the output of the power supply conversion circuit provides working voltage for the constant voltage output circuit, the acquisition unit and the main control component, the functional component comprises an acquisition unit for acquiring current, the acquisition unit comprises a current sensor and a voltage conversion circuit which are connected with each other, and the output of the acquisition unit is input into the A/D conversion circuit; the constant voltage output circuit outputs a voltage value for identifying current collection, and the voltage value is input into the processor.
8. A battery harvesting system according to claim 1, wherein: each battery acquisition module is respectively connected with a battery, and the battery acquisition module is powered by the battery or an external power supply through an adapter.
9. A battery harvesting system according to claim 1, wherein: the system also comprises a plurality of mobile terminals and/or computer terminals, and each mobile terminal and/or computer terminal is in wireless connection with the monitoring server.
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| CN110426082A (en) * | 2019-08-30 | 2019-11-08 | 福州福沃垦电子科技有限公司 | A kind of assemblnig acquisition module and battery acquisition module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110426082A (en) * | 2019-08-30 | 2019-11-08 | 福州福沃垦电子科技有限公司 | A kind of assemblnig acquisition module and battery acquisition module |
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