WO2017049897A1 - 一种电池检测的方法及装置 - Google Patents

一种电池检测的方法及装置 Download PDF

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Publication number
WO2017049897A1
WO2017049897A1 PCT/CN2016/079392 CN2016079392W WO2017049897A1 WO 2017049897 A1 WO2017049897 A1 WO 2017049897A1 CN 2016079392 W CN2016079392 W CN 2016079392W WO 2017049897 A1 WO2017049897 A1 WO 2017049897A1
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Prior art keywords
battery
unit
power
detected
module
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PCT/CN2016/079392
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English (en)
French (fr)
Inventor
刘新宇
刘彦丁
丁杰
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华为技术有限公司
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Publication of WO2017049897A1 publication Critical patent/WO2017049897A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]

Definitions

  • the present invention relates to the field of battery technologies, and in particular, to a battery detection method and apparatus.
  • the battery As a backup power source when the power system is out of power, the battery has been widely used in industrial production, as well as transportation, communications and other industries. Battery detection and monitoring has always been a hot and difficult issue at home and abroad. The accurate measurement of each parameter of the battery provides a reliable guarantee for the normal operation of the battery, and is of great significance for improving the safe operation of the DC system and improving the reliability and automation of the power supply system.
  • the parameters of the battery (voltage, current, temperature, internal resistance, etc.) need to be monitored and monitored under important power supply scenarios to prevent fires, predict battery life, and backup time to ensure power supply in emergency situations.
  • the general battery detecting device includes a power module for taking power from the battery to be detected, a sampling module for sampling and measuring the parameters of the battery, a CPU module, and a communication module for communicating with the upper computer in the system, wherein the sampling module, The CPU module and the communication module take power from the battery to be detected through the power module, and the modules for detecting various parameters of the battery in the existing battery device, such as the sampling module, the CPU module and the communication module, etc., have low battery capacity or basic battery capacity. In the case of venting, it is still necessary to take power from the battery to be tested through the power module to maintain detection, which may cause irreparable damage to the battery.
  • the embodiment of the invention provides a battery detecting method and device, which avoids the problem that the battery detecting device still maintains the detection from the battery when the battery is low in power, thereby causing the unrecoverable damage of the battery and improving the service life of the battery. .
  • a first aspect of the embodiments of the present invention provides a battery detecting device for detecting a battery state.
  • the battery detecting device includes a power supply unit, an upper and lower power unit, a sampling unit, a CPU unit, and a communication unit;
  • the first connection end of the upper and lower electric unit is used to connect the positive electrode of the battery to be detected
  • the second connection end of the upper and lower electric unit is used to connect the negative electrode of the battery to be detected
  • the first connection end of the sampling unit is used.
  • a second connection end of the sampling unit is configured to connect a negative electrode of the battery to be detected;
  • a third connection end of the upper and lower power unit is connected to an input end of the power supply unit a third connection end of the sampling unit, wherein an output end of the power supply unit is respectively connected to a fourth connection end of the sampling unit, a first connection end of the CPU unit, and a first connection end of the communication unit, a second connection end of the CPU unit is connected to the second connection end of the communication unit, and a fifth connection end of the sampling unit is connected to the third connection end of the CPU unit;
  • the power-up unit is configured to detect an output voltage of the battery to be detected, and if the output voltage is greater than or equal to a first preset threshold, the battery to be detected is electrically connected to the power unit. Determining that the detecting battery supplies power to the sampling unit, the CPU unit, and the communication unit through the output end of the power supply unit; and in a case where the output voltage is less than the first preset threshold, Determining disconnection between the detection battery and the power supply unit, the battery to be detected stops supplying power to the sampling unit, the CPU unit, and the communication unit;
  • the CPU unit is configured to perform sampling from the battery to be detected by the sampling unit, and acquire the to-be-detected
  • the battery status information of the battery is communicated with the external host computer through the communication unit, and the battery status information is reported to the upper computer.
  • the third connection end of the upper and lower power unit is connected to the third connection end of the CPU unit
  • the CPU unit is further configured to determine whether it is necessary to disconnect between the battery to be detected and the power unit. Connecting, if yes, outputting a first invalid level signal to the power-on and power-off unit, and if not, going to the upper and lower The electric unit outputs a first active level signal;
  • the power-up unit is further configured to maintain conduction between the battery to be detected and the power source unit when receiving the first active level signal, and receive the first invalid level In the case of a signal, the battery to be detected is disconnected from the power supply unit.
  • the CPU unit is further configured to receive system status information sent by the upper computer, where the battery status information includes a voltage of the battery to be detected;
  • the CPU unit is specifically configured to determine that the disconnection needs to be performed. a connection between the battery to be detected and the power supply unit.
  • the power-on and power-off unit includes a power on/off module and a battery voltage detecting module;
  • the first connection end of the power on/off module is a first connection end of the upper and lower power unit
  • the first connection end of the battery voltage detection module is a second connection end of the upper and lower power unit
  • the power connection The second connection end of the battery module is connected to the second connection end of the battery voltage detection module
  • the third connection end of the power supply on/off module is the third connection end of the power supply unit
  • the battery voltage detecting module is configured to detect the output voltage of the battery to be detected. When the output voltage of the battery to be detected is greater than or equal to a first preset threshold, the battery voltage detecting module is further configured to communicate with the power source. The module outputs a second active level signal; and the battery voltage detecting module is further configured to output a second invalid to the power on/off module, in a case that the battery output voltage to be detected is less than the first preset threshold Level signal
  • the power on/off module is configured to turn on between the battery to be detected and the power supply unit when the second active level signal is received, and the battery to be detected passes through the power supply unit
  • the sampling unit, the CPU unit, and the communication unit are powered; the power on/off module is configured to enable the battery to be detected and the power unit when receiving the second invalid level signal Disconnected between, the battery to be detected stops to the sampling unit, the CPU unit, and the pass The unit is powered.
  • the battery voltage detecting module includes a first resistor, a second resistor, a third resistor, and a comparator, wherein the first resistor first end and the power terminal of the comparator are used to connect the positive pole of the battery to be detected.
  • a second end of the first resistor is connected to the first end of the second resistor and an input end of the comparator, a second end of the second resistor is grounded, and an output of the comparator is connected to the third end a first end of the resistor, the second end of the third resistor is connected to the power on/off module, wherein the comparator operates at a microampere level.
  • the power on/off module includes a fourth resistor, a fifth resistor, and a MOS transistor, the fourth resistor is connected in parallel with the MOS transistor, and the first end of the fourth resistor and the MOS transistor are connected in parallel for connecting the The second end of the fourth resistor and the MOS tube connected in parallel is connected to one end of the fifth resistor, and the other end of the fifth resistor is connected to the battery voltage detecting module.
  • the power-on and power-off unit further includes a CPU on/off module, and the CPU on/off module is respectively connected to the power on/off module and the third connection end of the CPU unit;
  • the CPU on/off module is configured to receive the first active level signal or the first invalid level output by the CPU unit, in a case that the battery to be detected is electrically connected to the power supply unit signal;
  • the CPU on/off module is configured to output a fourth invalid level signal to the power on/off module, so that the battery to be detected and the power unit Disconnecting; receiving the first active level signal, the CPU on/off module is configured to output a fourth active level signal to the power on/off module, where the power on/off module is used
  • the battery to be detected is electrically connected to the power supply unit.
  • the CPU on/off module includes a sixth resistor and a switch submodule, the sixth resistor is connected to the power on/off module at one end, the first end of the switch submodule is connected to the other end, and the switch submodule is second.
  • the connection end is connected to the third connection end of the CPU unit.
  • the power-on and power-off unit further includes a switch quantity module, and the switch quantity module is connected to the power on/off module;
  • the switch module is configured to output a third active level signal or a third invalid level signal to the power on/off module according to a switching operation of the user;
  • the power on/off module is further configured to disconnect the battery to be detected from the power supply unit when receiving the third invalid level signal; the power on/off module is configured to receive In the case of the third active level signal, the battery to be detected is electrically connected to the power supply unit.
  • a second aspect of the embodiments of the present invention provides a battery detecting device for detecting a battery state, wherein the battery detecting device includes a power unit, an upper and lower power unit, a sampling unit, a CPU unit, and a communication unit;
  • the power-on and power-off unit includes a power on/off module, a battery voltage detecting module, a CPU switching module, and a switching module;
  • the first connection end of the power on/off module is configured to connect a positive pole of the battery to be detected, and the first connection end of the battery voltage detection module is configured to connect a negative pole of the battery to be detected, and the first part of the power on/off module
  • the second connection end is connected to the second connection end of the battery voltage detection module, the first connection end of the CPU on/off module, and the switch quantity module;
  • a first connection end of the sampling unit is configured to connect a positive electrode of the battery to be detected
  • a second connection end of the sampling unit is configured to connect a negative electrode of the battery to be detected
  • a third connection of the power on/off module The terminal is connected to the input end of the power supply unit and the third connection end of the sampling unit, and the output end of the power supply unit is respectively connected to the fourth connection end of the sampling unit and the first connection end of the CPU unit
  • a first connection end of the communication unit a second connection end of the CPU unit is connected to a second connection end of the communication unit, and a fifth connection end of the sampling unit is connected to a third connection end of the CPU unit
  • the second connection end of the CPU on/off module is connected to the fourth connection end of the CPU unit;
  • the battery voltage detecting module is configured to detect an output voltage of the battery to be detected, and output a first effective level signal to the power on/off module when the output voltage is greater than or equal to a first preset threshold. When the output voltage is less than the first preset threshold, outputting a first invalid level signal to the power on/off module;
  • the switch module is configured to output a second active level signal or a second invalid level signal to the power on/off module according to a switching operation of the user;
  • the power on/off module is configured to enable the battery to be detected and the power unit to be turned on when receiving at least one of the first active level signal and the second active level signal. Determining that the detecting battery supplies power to the sampling unit, the CPU unit, and the communication unit through an output end of the power supply unit;
  • the CPU unit is configured to perform sampling by the sampling unit from the battery to be detected, and acquire battery state information of the battery to be detected. And performing information exchange with the external host computer through the communication unit, and reporting the battery status information to the upper computer;
  • the CPU unit is further configured to determine whether it is necessary to disconnect the connection between the battery to be detected and the power supply unit, and if yes, output a third invalid level signal to the power-on and lower unit, and if not, go to the upper and lower
  • the electrical unit outputs a third active level signal
  • the power on/off module is further configured to: when the first invalid level signal, the second invalid level signal, and the third invalid level signal are simultaneously received, the battery to be detected and the power unit Disconnected between, the battery to be detected stops supplying power to the sampling unit, the CPU unit, and the communication unit.
  • the CPU unit is further configured to receive system status information sent by the upper computer, where the battery status information includes a voltage of the battery to be detected or the shutdown instruction;
  • the CPU unit is specifically configured to determine that the disconnection needs to be performed. a connection between the battery to be detected and the power supply unit.
  • the battery voltage detecting module includes a first resistor, a second resistor, a third resistor, and a comparator, wherein the first resistor first end and the power terminal of the comparator are used to connect the negative pole of the battery to be detected.
  • a second end of the first resistor is connected to the first end of the second resistor and an input end of the comparator, a second end of the second resistor is grounded, and an output of the comparator is connected to the third end a first end of the resistor, the second end of the third resistor is connected to the power on/off module, wherein the comparator operates at a microampere level.
  • the power on/off module includes a fourth resistor, a fifth resistor, and a MOS transistor, the fourth resistor is connected in parallel with the MOS transistor, and the first end of the fourth resistor and the MOS transistor are connected in parallel for connecting the A second end of the fourth resistor connected in parallel with the MOS transistor is connected to one end of the fifth resistor, and the other end of the fifth resistor is connected to the battery voltage detecting mode.
  • the CPU on/off module includes a sixth resistor and a switch submodule, the sixth resistor is connected to the power on/off module at one end, the first end of the switch submodule is connected to the other end, and the switch submodule is second.
  • the connection end is connected to the third connection end of the CPU unit.
  • a third aspect of the embodiments of the present invention provides a battery detection method, which is applied to a battery detection device, where the battery detection device includes a power supply unit, an upper and lower power unit, a sampling unit, a CPU unit, and a communication unit;
  • the method includes:
  • the power-up unit detects an output voltage of the battery to be detected, where the output voltage is greater than or equal to
  • the battery to be detected is electrically connected to the power supply unit, and the battery to be detected passes through the output end of the power supply unit to the sampling unit and the CPU unit.
  • supplying power to the communication unit if the output voltage is less than the first preset threshold, disconnecting between the battery to be detected and the power supply unit, and stopping the sampling of the battery to be detected Powering the unit, the CPU unit, and the communication unit;
  • the CPU unit performs sampling from the battery to be detected by the sampling unit, and acquires the battery to be detected.
  • the battery status information is communicated with the external host computer through the communication unit, and the battery status information is reported to the upper computer.
  • the method further includes:
  • the CPU unit determines whether it is necessary to disconnect the battery to be detected and the power unit, if a first invalid level signal is output to the power-on and power-off unit, and if not, a first active-level signal is output to the power-on and power-off unit;
  • the upper and lower power unit maintains conduction between the battery to be detected and the power supply unit when receiving the first active level signal, and receives the first invalid level signal And disconnecting the battery to be detected from the power supply unit.
  • the method further includes:
  • the CPU unit receives system status information sent by the upper computer, and the battery status information includes a voltage of the battery to be detected;
  • Determining, by the CPU unit, whether a connection between the battery to be detected and the power supply unit needs to be disconnected including:
  • the CPU unit determines that the standby needs to be disconnected. A connection between the battery and the power supply unit is detected.
  • the method further includes:
  • the power-on and power-off unit receives a second active level signal or a second invalid level signal according to a switching operation of the user;
  • the power-up unit disconnects the battery to be detected from the power unit when receiving the second invalid level signal; and when the second active level signal is received And conducting a conduction between the battery to be detected and the power supply unit.
  • a fourth aspect of the embodiments of the present invention provides a battery detection method, which is applied to a battery detection device, where the battery detection device includes a power supply unit, an upper and lower power unit, a sampling unit, a CPU unit, and a communication unit;
  • the method includes:
  • the power-on and lower unit detects an output voltage of the battery to be detected
  • the power-on and power-off unit receives a first active level signal or a first invalid level signal according to a switching operation of the user;
  • the power-up unit turns on between the battery to be detected and the power unit when the output voltage is greater than or equal to a first preset threshold or receives the signal of the first active level. Detecting that the battery supplies power to the sampling unit, the CPU unit, and the communication unit through an output end of the power supply unit;
  • the CPU unit performs sampling from the battery to be detected by the sampling unit, acquires battery state information of the battery to be detected, and passes the battery state information.
  • the communication unit performs information exchange with an external host computer, and reports the battery status information to the upper computer;
  • the power-on and power-off unit causes the battery to be detected to be detected when the output voltage is less than the first preset threshold and the first invalid level signal and the second invalid level signal are received
  • the power supply units are disconnected, and the battery to be detected stops to the sampling unit, the CPU unit, and The communication unit is powered.
  • the method further includes:
  • the CPU unit receives system status information sent by the upper computer, and the battery status information includes a voltage of the battery to be detected;
  • Determining, by the CPU unit, whether a connection between the battery to be detected and the power supply unit needs to be disconnected including:
  • the CPU unit determines that the standby needs to be disconnected. A connection between the battery and the power supply unit is detected.
  • the output voltage of the battery to be detected is detected by setting an upper and lower electric unit; and when the output voltage is greater than or equal to a first preset threshold, between the battery to be detected and the power supply unit Turning on, the battery to be detected supplies power to the sampling unit, the CPU unit, and the communication unit through the power supply unit; if the output voltage is less than the first preset threshold, Disconnecting between the battery to be detected and the power supply unit, the battery to be detected stops supplying power to the sampling unit, the CPU unit, and the communication unit, thereby preventing the battery detecting device from being still discharged from the battery when the battery is low. Taking power to maintain the test, causing damage to the battery that cannot be recovered, improves the battery life.
  • FIG. 1 is a schematic diagram of an embodiment of a battery detecting device in an embodiment of the present invention
  • FIG. 2 is a schematic view showing another embodiment of a battery detecting device in an embodiment of the present invention.
  • FIG. 3 is a schematic view showing another embodiment of a battery detecting device in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an embodiment of a battery voltage detecting module in an embodiment of the present invention.
  • Figure 5 is a schematic view showing another embodiment of the battery detecting device in the embodiment of the present invention.
  • FIG. 6 is a schematic view showing another embodiment of a battery detecting device in an embodiment of the present invention.
  • Figure 7 is a schematic view showing another embodiment of the battery detecting device in the embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an embodiment of a battery testing station in an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of an embodiment of a battery detection system in an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of an embodiment of a method for battery detection in an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of another embodiment of a method of battery detection in an embodiment of the present invention.
  • the embodiment of the invention provides a battery detecting method and device, which avoids the problem that the battery detecting device still maintains the detection from the battery when the battery is low in power, thereby causing the unrecoverable damage of the battery and improving the service life of the battery. .
  • an embodiment of a battery detecting apparatus 100 in an embodiment of the present invention includes: a power supply unit 101, an upper and lower power unit 102, a sampling unit 103, a CPU unit 104, and a communication unit 105;
  • the first connection end of the upper and lower electric unit 102 is used to connect the positive electrode of the battery to be detected, and the second connection end of the upper and lower electric unit 102 is used to connect the negative electrode of the battery to be detected, and the first of the sampling unit 103
  • the connection end is used to connect the positive electrode of the battery to be detected
  • the second connection end of the sampling unit 103 is used to connect the negative electrode of the battery to be detected
  • the third connection end of the upper and lower electric unit 102 is connected to the connection end.
  • the output end of the power supply unit 101 and the third connection end of the sampling unit 103, the output end of the power supply unit 101 is respectively connected to the fourth connection end of the sampling unit 103, and the first connection end of the CPU unit 104.
  • a first connection end of the communication unit 105 a second connection end of the CPU unit 104 is connected to a second connection end of the communication unit 105, and a fifth connection end of the sampling unit 103 is connected to the CPU unit 105.
  • the power-up unit 102 is configured to detect the output voltage of the battery to be detected; and when the output voltage is greater than or equal to the first preset threshold, the battery to be detected is electrically connected to the power unit 101.
  • the battery to be detected is powered by the output end of the power supply unit to the sampling unit 103, the CPU unit 104, and the communication unit 105; when the output voltage is less than the first preset threshold Disconnecting the battery to be detected from the power supply unit 101, and the battery to be detected stops supplying power to the sampling unit 103, the CPU unit 104, and the communication unit 105;
  • the first preset threshold is smaller than the voltage value corresponding to the factory capacity of the battery to be detected, and is lower than the floating charge voltage of the battery to be detected, and the method for determining the floating voltage of the battery is the technology in the field. Well known to the personnel, and will not be described here.
  • the CPU unit 104 is configured to obtain, by using the sampling unit 103, the battery to be detected, and obtain battery status information of the battery to be detected, where the battery status information may be a voltage, an internal resistance, a temperature, and the like of the battery. For the information, the CPU unit collects the information through the sampling unit and collects the information as a prior art, which is not limited herein.
  • the CPU unit 104 is further configured to perform information interaction with the external host computer through the communication unit 105, and report the battery status information to the upper computer.
  • the output voltage of the battery to be detected is detected by setting an upper and lower electric unit; and when the output voltage is greater than or equal to a first preset threshold, between the battery to be detected and the power supply unit Turning on, the battery to be detected passes through the power supply unit to the sampling unit, and the The CPU unit and the communication unit are powered; if the output voltage is less than the first predetermined threshold, the battery to be detected is disconnected from the power supply unit, and the battery to be detected stops The sampling unit, the CPU unit and the communication unit supply power, thereby avoiding the problem that the battery detecting device still takes power from the battery to maintain detection when the battery is low in power, thereby causing damage to the battery that cannot be recovered, and improving the service life of the battery. .
  • the operating current of the upper and lower power units may be a micro-ampere level or a micro-ampere level, so that the operating current of the upper and lower electric units is much smaller than the self-discharge current of the battery, and the electric power is turned on and off.
  • the power consumption of the entire battery detection device is only the power consumption of the upper and lower power units, and the power consumption of the battery detection device can be far less than the self-discharge power consumption of the battery.
  • the battery detecting device may be provided with a connector or a connection terminal, and the first connection end of the upper and lower electric unit 102 and the first connection end of the sampling unit 103 may be connected through the setting.
  • the connection terminal is connected to the positive electrode of the battery to be detected, and the second connection end of the power-up unit 102 and the second connection end of the sampling unit 103 can pass through the connector or the connection terminal and the negative electrode of the battery to be detected.
  • a connector is provided on the battery detecting device, and the connector has four pins: a first pin, a second pin, a third pin, a fourth pin, a first pin, and a second lead a first connection end of the power-up unit 102, a first connection end of the sampling unit 103, and a first pin and a second pin are connected to the positive electrode of the battery to be detected;
  • the second pin and the fourth pin are respectively connected to the second connection end of the power-up unit 102 and the second connection end of the sampling unit 103;
  • the third pin and the fourth pin are used for the negative electrode of the battery to be detected Connect, at this time, when the first pin
  • the second pin is connected to the positive electrode of the battery to be detected, and the third pin and the fourth pin are connected to the negative electrode of the battery to be detected, that is, the first connection end of the upper and lower electric unit 102, the sampling unit 103 is realized.
  • the first connection end is connected to the positive electrode of the battery to be detected, and the second connection
  • the third connection end of the upper and lower power unit 102 is connected to the third connection end of the CPU unit;
  • the CPU unit 104 is further configured to determine whether the battery to be detected needs to be disconnected from the a connection between the power supply units 101, if yes, outputting a first invalid level signal to the power-up unit 102, and if not, outputting a first active level signal to the power-up unit 102;
  • the power-up and power-off unit 102 is further configured to maintain the conduction between the battery to be detected and the power supply unit 101 when the first active-level signal is received, and receive the first invalid In the case of a level signal, the battery to be detected is disconnected from the power supply unit 101.
  • the CPU unit 104 is further configured to receive system status information that is sent by the upper computer, where the battery status information includes a voltage of the battery to be detected;
  • the CPU unit 104 When the voltage of the battery to be detected is lower than the second preset threshold and the preset time is reached, or the system status information is at least one of the shutdown commands, the CPU unit 104 is specifically used at this time. It is determined that the connection between the battery to be detected and the power supply unit 101 needs to be disconnected. Therefore, in this case, when the battery state information sampled by the sampling unit 103 includes the voltage of the battery to be detected, the CPU unit 104 determines that the voltage of the battery to be detected is lower than the second preset threshold and reaches a preset time.
  • the CPU unit 104 can determine that the battery to be detected is in a low battery state, and the CPU unit 104 determines that the connection between the battery to be detected and the power supply unit 101 needs to be disconnected, and outputs the connection to the power-up unit 102.
  • a first invalid level signal the upper and lower power unit 102 disconnects the battery to be detected from the power supply unit 101 when receiving the first invalid level signal, wherein the second The preset threshold is also smaller than the voltage value corresponding to the factory capacity of the battery to be detected, and is lower than the floating voltage value of the battery to be detected, and the second preset threshold may be the same as the first preset threshold, or may be different. There is no limit here.
  • the power-off unit 102 cuts off the connection between the battery to be detected and the power supply unit 101, and stops the power supply. And determining, by the sampling unit, the voltage of the battery to be detected, the voltage of the battery to be detected being lower than a second preset threshold and reaching a preset time, determining that the battery to be detected is in a low battery, The CPU unit 104 outputs a first invalid level signal to disconnect the battery to be detected from the power supply unit 101, and stops power supply.
  • the battery detecting device can also actively control the battery to be detected from the battery to be detected.
  • the CPU unit 104 can directly receive the system status signal sent by the host computer through the communication unit 105, when the system status is When the signal is a shutdown command, the CPU unit 104 outputs a first invalid level signal to disconnect the battery to be detected from the power supply unit 101, and stops. powered by.
  • the power-on and power-off unit 102 may include a power on/off module and a battery voltage detecting module;
  • the first connection end of the power-on-off module is the first connection end of the power-up unit 102
  • the first connection end of the battery voltage detection module is the second connection end of the power-up unit 102
  • the second connection end of the power-on-off module is connected to the second connection end of the battery voltage detecting module
  • the third connection end of the power-on-off module is the third connection end of the power-up unit 102;
  • the battery voltage detecting module is configured to detect the output voltage of the battery to be detected; and when the output voltage of the battery to be detected is greater than or equal to a first preset threshold, the battery voltage detecting module is further configured to send the power to the power source.
  • the module outputs a second active level signal; and the battery voltage detecting module is further configured to output a second invalid to the power on/off module, in a case that the battery output voltage to be detected is less than the first preset threshold Level signal
  • the power on/off module is configured to enable conduction between the battery to be detected and the power supply unit 101 when the second active level signal is received, and the battery to be detected passes through the power supply unit Supplying power to the sampling unit, the CPU unit 14, and the communication unit 105; the power on/off module is configured to enable the battery to be detected and the device to be detected if the second invalid level signal is received
  • the power supply unit 101 is disconnected, and the battery to be detected stops supplying power to the sampling unit 103, the CPU unit 104, and the communication unit 105.
  • the battery voltage detecting module includes a first resistor R1, a second resistor R2, a third resistor R3, and a comparator, the first end of the first resistor R1 and the comparator a power terminal is connected to the positive pole of the battery to be detected, a second end of the first resistor R1 is connected to a first end of the second resistor R2 and an input end of the comparator, and the second resistor R2 is The second end is grounded, the output end of the comparator is connected to the first end of the third resistor R3, and the second end of the third resistor R3 is connected to the power on/off module, wherein the comparator works The current is microampere.
  • the power on/off module includes a fourth resistor, a fifth resistor, and a MOS transistor, the fourth resistor is connected in parallel with the MOS transistor, and the fourth resistor is connected to the first end of the MOS transistor in parallel. Connected to the positive electrode of the battery to be detected, the fourth resistor and the second end of the MOS tube connected in parallel One end of the fifth resistor, and the other end of the fifth resistor is connected to the battery voltage detecting module.
  • the power-on and power-off unit 102 further includes a CPU switching module, and the CPU switching modules are respectively connected.
  • the CPU on/off module is configured to receive the first active level signal or the first invalidity output by the CPU unit 104, in a case that the battery to be detected is electrically connected to the power supply unit 101.
  • Level signal
  • the CPU on/off module is configured to output a fourth invalid level signal to the power on/off module, so that the battery to be detected and the power supply unit 101 Disconnecting between the two channels; the CPU on/off module is configured to output a fourth active level signal to the power on/off module, where the power on/off module is used
  • the battery to be detected is electrically connected to the power supply unit 101.
  • the CPU on/off module includes a sixth resistor and a switch submodule, the sixth resistor is connected to the power on/off module at one end, and the first end of the switch submodule is connected to the other end, the switch The second connection end of the sub-module is connected to the third connection end of the CPU unit, and the switch sub-module may be an NMOS tube, a PMOS tube, a relay, or the like.
  • the power-on and power-off unit 102 further includes a switch module.
  • the switch module is The power on/off module is connected, and the switch quantity module may be a ship type switch, a toggle switch, a toggle switch, a push button switch or a push button switch, etc., by manually controlling the opening or closing of the switch quantity module;
  • the switch module is configured to output a third active level signal or a third invalid level signal to the power on/off module according to a switching operation of the user, and specifically, when the user turns on the switch module, The power on/off module outputs a third active level signal, and when the user turns off the switch quantity module, outputs a third invalid level signal to the power on/off module.
  • the switch is a button switch
  • the user button opens the switch
  • the switch module outputs a third active level signal to the power on/off module
  • the user button turns off the switch, and outputs a third invalid to the power on/off module.
  • Level signal when the switch is a button switch, the user button opens the switch, and the switch module outputs a third active level signal to the power on/off module, the user button turns off the switch, and outputs a third invalid to the power on/off module.
  • Level signal when the switch is a button switch, the user button opens the switch, and the switch module outputs a third active level signal to the power on/off
  • the power on/off module is further configured to disconnect the battery to be detected from the power supply unit 101 when the third invalid level signal is received; the power on/off module is used to When the third active level signal is received, the battery to be detected and the power supply unit 101 are turned on.
  • FIG. 7 another embodiment of the battery detecting device provided in the embodiment of the present invention is as follows:
  • the battery detecting device 200 includes a power supply unit 201, an upper and lower power unit 202, a sampling unit 203, a CPU unit 204, and a communication unit 205;
  • the power-on and power-off unit 202 includes a power on/off module, a battery voltage detecting module, a CPU switching module, and a switching module;
  • the first connection end of the power on/off module is configured to connect a positive pole of the battery to be detected, and the first connection end of the battery voltage detection module is configured to connect a negative pole of the battery to be detected, and the first part of the power on/off module
  • the second connection end is connected to the second connection end of the battery voltage detection module, the first connection end of the CPU on/off module, and the switch quantity module;
  • a first connection end of the sampling unit 203 is configured to connect a positive pole of the battery to be detected, a second connection end of the sampling unit 203 is used to connect a negative pole of the battery to be detected;
  • the third terminal is connected to the input end of the power supply unit 201 and the third connection end of the sampling unit 203.
  • the output end of the power supply unit 201 is respectively connected to the fourth connection end of the sampling unit 203, and the CPU unit 204.
  • the first connection end of the communication unit 205 and the second connection end of the communication unit 205 are connected to the second connection end of the communication unit 205, and the fifth connection end of the sampling unit 203 is connected.
  • a third connection end of the CPU unit 204, a second connection end of the CPU on/off module is connected to a fourth connection end of the CPU unit 204;
  • the battery voltage detecting module is configured to detect the output voltage of the battery to be detected; and if the output voltage is greater than or equal to a first preset threshold, output a first effective level signal to the power on/off module, When the output voltage is less than the first preset threshold, outputting a first invalid level signal to the power on/off module;
  • the switch module is configured to output a second to the power on/off module according to a switching operation of a user An active level signal or a second invalid level signal;
  • the power on/off module When the power on/off module receives at least one of the first active level signal and the second active level signal, the power on/off module is turned on, so that the battery to be detected passes through the power supply unit 201 Powering the sampling unit 203, the CPU unit 204, and the communication unit 205 through the output terminal;
  • the CPU unit 204 is configured to perform sampling from the battery to be detected by the sampling unit 203, and acquire a battery state of the battery to be detected. And communicating information with the external host computer through the communication unit 205, and reporting the battery status information to the upper computer;
  • the CPU unit 204 is further configured to determine whether it is necessary to disconnect the connection between the battery to be detected and the power supply unit 201, and if yes, output a third invalid level signal to the power-up unit 202, if not, to The power-up unit 202 outputs a third active level signal;
  • the power on/off module disconnects between the battery to be detected and the power supply unit 201 when receiving the first invalid level signal, the second invalid level signal, and the third invalid level signal at the same time,
  • the battery to be detected is stopped from supplying power to the sampling unit 203, the CPU unit 204, and the communication unit 205.
  • the battery to be detected and the power source are The cells to be detected are powered by the output end of the power supply unit to the sampling unit, the CPU unit, and the communication unit, and the first invalid power is simultaneously received by the power on/off module.
  • the battery to be detected is disconnected from the power supply unit, and the battery to be detected is stopped to the sampling unit, the CPU The unit and the communication unit supply power, thereby avoiding the problem that the battery detecting device still has no choice to directly take power from the battery to maintain detection when the battery is low in power, thereby causing damage to the unrecoverable battery and improving the service life of the battery.
  • the operating current of the upper and lower electric units may be a micro-ampere level or less, and the operating current of the upper and lower electric units is far less than the self-discharge current of the battery, and the electric power is turned on and off.
  • the power consumption of the entire battery detection device is only the power consumption of the upper and lower electric units, and the power consumption of the battery detection device can be realized to be much smaller than the self-discharge of the battery. Power consumption.
  • the CPU unit 204 is further configured to receive system status information that is sent by the upper computer, where the battery status information includes a voltage of the battery to be detected or the shutdown command;
  • the CPU unit 204 is specifically configured to determine that the battery unit 204 needs to be disconnected. Opening a connection between the battery to be detected and the power unit.
  • the battery voltage detecting module includes a first resistor, a second resistor, a third resistor, and a comparator, wherein the first resistor first end and the power terminal of the comparator are used to connect the battery to be detected a second end of the first resistor is connected to a first end of the second resistor and an input end of the comparator, a second end of the second resistor is grounded, and an output end of the comparator is connected The first end of the third resistor, the second end of the third resistor is connected to the power on/off module, wherein the comparator operates at a microampere level.
  • the power on/off module includes a fourth resistor, a fifth resistor, and a MOS transistor, the fourth resistor is connected in parallel with the MOS transistor, and the fourth resistor is connected to the first end of the MOS transistor in parallel.
  • the second end of the fourth resistor connected in parallel with the MOS transistor is connected to one end of the fifth resistor, and the other end of the fifth resistor is connected to the battery voltage detecting mode.
  • the CPU on/off module includes a sixth resistor and a switch submodule, the sixth resistor is connected to the power on/off module at one end, and the first end of the switch submodule is connected to the other end, the switch The second connection end of the submodule is connected to the third connection end of the CPU unit.
  • the active level signal described generally refers to a high level signal
  • the invalid level signal generally refers to a low level signal, but is not limited to some embodiments.
  • a low level signal is used as the active level signal
  • a high level signal is used as the inactive level signal.
  • the battery detecting device in the embodiment of the present invention is described above, and the battery detecting system in the embodiment of the present invention will be described below.
  • the battery detection station provided in the embodiment of the present invention includes at least one of the above battery detection device 801 and the upper computer 802;
  • the first terminal and the second terminal of the battery detecting device are used for a positive electrode of a battery to be detected
  • the battery detecting device communicates with the upper computer 802 through a communication unit in the battery detecting device.
  • a battery detection system comprising at least one battery detection station as described above.
  • An embodiment of the battery detection system includes M battery detection stations, wherein M>1, M is a positive integer, and each of the battery detection stations in the M battery detection stations may be the battery detection station embodiment. Any of the battery detection sites described in this.
  • An embodiment of the method for battery detection in the embodiment of the present invention is applied to a battery detecting device, and the battery detecting device includes a power unit, an upper and lower power unit, a sampling unit, a CPU unit, and a communication unit;
  • an embodiment of a method for battery detection in an embodiment of the present invention includes:
  • the power-off unit detects an output voltage of the battery to be detected, and when the output voltage is greater than or equal to a first preset threshold, turns on between the battery to be detected and the power unit; at the output voltage When the first preset threshold is smaller than the first preset threshold, the battery to be detected is disconnected from the power unit;
  • the battery to be detected in a case where the battery to be detected is electrically connected to the power supply unit, the battery to be detected passes through the output end of the power supply unit to the sampling unit, the CPU unit, and The communication unit supplies power; in a case where the battery to be detected is disconnected from the power supply unit, the battery to be detected stops supplying power to the sampling unit, the CPU unit, and the communication unit.
  • the CPU unit performs sampling from the battery to be detected by the sampling unit to obtain the to-be-detected in a case where the power-off unit turns on the battery to be detected and the power unit.
  • the battery status information of the battery is communicated with the external host computer through the communication unit, and the battery status information is reported to the upper computer.
  • the output voltage of the battery to be detected is detected by the power-on and power-off unit of the battery detecting device, and the battery to be detected and the power unit are made when the output voltage is greater than or equal to a first preset threshold.
  • the battery to be detected supplies power to the sampling unit, the CPU unit, and the communication unit through the power supply unit; if the output voltage is less than the first preset threshold, Disconnecting between the battery to be detected and the power supply unit, the to-be-detected
  • the battery stops supplying power to the sampling unit, the CPU unit and the communication unit, thereby avoiding the problem that the battery detecting device still takes power from the battery to maintain detection when the battery is low in power, thereby causing damage to the battery that cannot be recovered, and the problem is improved. Battery life.
  • the method further includes:
  • the CPU unit determines whether it is necessary to disconnect the battery to be detected and the power unit, if a first invalid level signal is output to the power-on and power-off unit, and if not, a first active-level signal is output to the power-on and power-off unit;
  • the upper and lower power unit maintains conduction between the battery to be detected and the power supply unit when receiving the first active level signal, and receives the first invalid level signal And disconnecting the battery to be detected from the power supply unit.
  • the method further includes:
  • the CPU unit receives system status information sent by the upper computer, and the battery status information includes a voltage of the battery to be detected;
  • Determining, by the CPU unit, whether a connection between the battery to be detected and the power supply unit needs to be disconnected including:
  • the CPU unit determines that the standby needs to be disconnected. A connection between the battery and the power supply unit is detected.
  • the method further includes:
  • the power-on and power-off unit receives a second active level signal or a second invalid level signal according to a switching operation of the user;
  • the power-up unit disconnects the battery to be detected from the power unit when receiving the second invalid level signal; and when the second active level signal is received And conducting a conduction between the battery to be detected and the power supply unit.
  • an embodiment of a method for battery detection in an embodiment of the present invention includes:
  • the power-off unit detects the output voltage of the battery to be detected
  • the power-off unit receives the first active level signal or the first invalid level signal according to a switching operation of the user.
  • the power-off unit turns on between the battery to be detected and the power unit when the output voltage is greater than or equal to a first preset threshold or receives the first active level signal.
  • the battery to be detected is powered by the output end of the power supply unit to the sampling unit, the CPU unit, and the communication unit in a case where the battery to be detected is electrically connected to the power supply unit;
  • the CPU unit performs sampling from the battery to be detected by the sampling unit, and acquires battery state information of the battery to be detected. And performing information exchange with the external host computer through the communication unit, and reporting the battery status information to the upper computer;
  • the CPU unit determines whether it is necessary to disconnect the battery to be detected and the power unit, and if yes, execute step 1106. No, go to step 1107;
  • the CPU unit outputs a first invalid level signal to the power-on and lower unit.
  • the CPU unit outputs a first active level signal to the power-off unit.
  • the power-on and power-off unit When the power-on and power-off unit receives the first active-level signal, if the battery to be detected and the power source unit are previously turned on, maintaining conduction, if the battery to be detected and the power unit are Before being disconnected, the battery to be detected is electrically connected to the power supply unit.
  • the power-on and power-off unit causes the battery to be detected to be detected when the output voltage is less than the first preset threshold and the first invalid level signal and the second invalid level signal are received.
  • the power supply units are disconnected, and the battery to be detected stops supplying power to the sampling unit, the CPU unit, and the communication unit.
  • the battery to be detected and the power source are The cells to be detected are powered by the output end of the power supply unit to the sampling unit, the CPU unit, and the communication unit, and the first invalid power is simultaneously received by the power on/off module.
  • the battery to be detected is disconnected from the power supply unit, and the battery to be detected is stopped to the sampling unit, the CPU The unit and the communication unit are powered to avoid the problem that the battery detection device still has no choice to directly take power from the battery to maintain detection when the battery is low in power, thereby causing damage to the battery that cannot be recovered. Higher battery life.
  • the method further includes:
  • the CPU unit receives system status information sent by the upper computer, and the battery status information includes a voltage of the battery to be detected;
  • Determining, by the CPU unit, whether a connection between the battery to be detected and the power supply unit needs to be disconnected including:
  • the CPU unit determines that the standby needs to be disconnected. A connection between the battery and the power supply unit is detected.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention is essential or the part contributing to the prior art or the entire technical solution.
  • the portion or portion may be embodied in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the various aspects of the present invention. All or part of the steps of the method described in the examples.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

一种电池检测的方法及装置。电池检测装置（100）包括电源单元（101）、上下电单元（102）、采样单元（103）、CPU单元（104）和通讯单元（105）；上下电单元（102）用于检测待检测电池输出电压；在输出电压大于等于第一预设阈值，使待检测电池与电源单元（101）之间导通，待检测电池通过电源单元（101）向采样单元（103）、CPU单元（104）和通讯单元（105）供电；在输出电压小于第一预设阈值，使待检测电池与电源单元（101）之间断开连接，待检测电池停止向采样单元（103）、CPU单元（104）和通讯单元（105）供电。由此避免了电池在低电量时，电池检测装置（100）仍然从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。

Description

一种电池检测的方法及装置
本申请要求于2015年9月24日提交中国专利局、申请号为201510618658.3、发明名称为“一种电池检测的方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电池技术领域，特别涉及一种电池检测的方法及装置。
背景技术
电池作为电源系统停电时的备用电源，已被广泛应用于工业生产，以及交通、通信等行业。电池检测与监控一直是国内外研究的热点和难点问题。电池各参数的准确测量为电池的正常工作提供了可靠的保障，对提高直流系统的安全运行、提高供电系统的可靠性和自动化程度，有着十分重要的意义。
一般情况下，重要供电场景下都需要对单电池的参数(电压、电流、温度、内阻等)进行检测监控，以防止火灾，预测电池寿命，备电时间保障紧急情况下的供电。
一般电池检测装置会包括从待检测电池取电的电源模块、用以对单电池参数进行采样测量的采样模块，CPU模块，以及与系统中上位机进行通讯的通讯模块等，其中，采样模块、CPU模块、通讯模块通过电源模块从待检测电池取电工作，现有的电池装置中完成电池各参数检测的模块，如采样模块，CPU模块和通讯模块等，在电池容量很低或电池容量基本放空的情况下，仍然需要通过电源模块从待检测电池取电维持检测，这种过度放电会对电池造成不可恢复的损害。
发明内容
本发明实施例提供了一种电池检测的方法及装置，避免了电池在低电量时，电池检测装置仍然从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。
本发明实施例第一方面提供了一种电池检测装置，用于检测电池状态，所 述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
所述上下电单元的第一连接端用于连接待检测电池的正极，所述上下电单元的第二连接端用于连接所述待检测电池的负极，所述采样单元的第一连接端用于连接所述待检测电池的正极，所述采样单元的第二连接端用于连接所述待检测电池的负极；所述上下电单元的第三连接端连接所述电源单元的输入端和所述采样单元的第三连接端，所述电源单元的输出端分别连接所述采样单元的第四连接端、所述CPU单元的第一连接端和所述通讯单元的第一连接端，所述CPU单元的第二连接端连接所述通讯单元的第二连接端，所述采样单元的第五连接端连接所述CPU单元的第三连接端；
在所述上下电单元的第一连接端、所述采样单元的第一连接端与所述待检测电池的正极连接，所述上下电单元的第二连接端、所述采样单元的第二连接端与所述待检测电池的负极连接的情况下；
所述上下电单元用于检测所述待检测电池的输出电压，在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的所述输出端向所述采样单元、所述CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电；
在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元用于通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息。
结合本发明实施例的第一方面，在本发明实施例的第一方面的第一种可能的实现方式中，
所述上下电单元的第三连接端连接所述CPU单元的第三连接端；
在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元还用于确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下 电单元输出第一有效电平信号；
所述上下电单元还用于在接收到所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间维持导通，在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接。
结合本发明实施例的第一方面的第一种可能的实现方式，在本发明实施例的第一方面的第二种可能的实现方式中，
所述CPU单元还用于接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元具体用于确定需要断开所述待检测电池与所述电源单元之间的连接。
结合本发明实施例的第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在本发明实施例的第一方面的第三种可能的实现方式中，
所述上下电单元包括电源通断模块、电池电压检测模块；
所述电源通断模块的第一连接端为所述上下电单元的第一连接端、所述电池电压检测模块的第一连接端为所述上下电单元的第二连接端，所述电源通断模块的第二连接端连接所述电池电压检测模块的第二连接端，所述电源通断模块的第三连接端为所述上下电单元的第三连接端；
所述电池电压检测模块用于检测所述待检测电池输出电压，在所述待检测电池输出电压大于等于第一预设阈值的情况下，所述电池电压检测模块还用于向所述电源通断模块输出第二有效电平信号；在所述待检测电池输出电压小于所述第一预设阈值的情况下，所述电池电压检测模块还用于向所述电源通断模块输出第二无效电平信号；
所述电源通断模块用于在接收到所述第二有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元向所述采样单元、所述CPU单元和所述通讯单元供电；所述电源通断模块用于在接收到所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通 讯单元供电。
结合本发明实施例的第一方面的第三种可能的实现方式，在本发明实施例的第一方面的第四种可能的实现方式中，
所述电池电压检测模块包括第一电阻、第二电阻、第三电阻和比较器，所述第一电阻第一端和所述比较器的电源端用于连接所述待检测电池的正极，所述第一电阻的第二端连接所述第二电阻的第一端和所述比较器的输入端，所述第二电阻的第二端接地，所述比较器的输出端连接所述第三电阻的第一端，所述第三电阻的第二端连接所述电源通断模块，其中，所述比较器的工作电流为微安级。
结合本发明实施例的第一方面的第三种可能的实现方式或第一方面的第四种可能的实现方式，在本发明实施例的第一方面的第五种可能的实现方式中，
所述电源通断模块包括第四电阻、第五电阻和MOS管，所述第四电阻与所述MOS管并联，所述第四电阻和所述MOS管并联的第一端用于连接所述待检测电池的正极，所述第四电阻和所述MOS管并联的第二端连接所述第五电阻的一端，所述第五电阻另一端连接所述电池电压检测模块。
结合本发明实施例的第一方面的第三种可能的实现方式至第一方面的第五种可能的实现方式，在本发明实施例的第一方面的第六种可能的实现方式中，
所述上下电单元还包括CPU通断模块，所述CPU通断模块分别连接所述电源通断模块和所述CPU单元的第三连接端；
在所述待检测电池与所述电源单元之间导通的情况下，所述CPU通断模块用于接收所述CPU单元输出的所述第一有效电平信号或所述第一无效电平信号；
在接收到所述第一无效电平信号的情况下，所述CPU通断模块用于向所述电源通断模块输出第四无效电平信号，使得所述待检测电池与所述电源单元之间断开连接；在接收到所述第一有效电平信号的情况下，所述CPU通断模块用于向所述电源通断模块输出第四有效电平信号，所述电源通断模块用于使所述待检测电池与所述电源单元之间导通。
结合本发明实施例的第一方面的第六种可能的实现方式，在本发明实施例的第一方面的第七种可能的实现方式中，
所述CPU通断模块包括第六电阻和开关子模块，所述第六电阻一端连接所述电源通断模块，另一端连接所述开关子模块的第一连接端，所述开关子模块第二连接端连接所述CPU单元的第三连接端。
结合本发明实施例的第一方面的第三种可能的实现方式至第一方面的第七种可能的实现方式，在本发明实施例的第一方面的第八种可能的实现方式中，
所述上下电单元还包括开关量模块，所述开关量模块与所述电源通断模块连接；
所述开关量模块用于根据用户的开关操作，向所述电源通断模块输出第三有效电平信号或第三无效电平信号；
所述电源通断模块还用于在接收到所述第三无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接；所述电源通断模块用于在接收到所述第三有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通。
本发明实施例第二方面提供了一种电池检测装置，用于检测电池状态，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
其中，所述上下电单元包括电源通断模块、电池电压检测模块、CPU通断模块和开关量模块；
所述电源通断模块的第一连接端用于连接待检测电池的正极，所述电池电压检测模块的第一连接端用于连接所述待检测电池的负极，所述电源通断模块的第二连接端分别连接所述电池电压检测模块的第二连接端、所述CPU通断模块的第一连接端、所述开关量模块；
所述采样单元的第一连接端用于连接所述待检测电池的正极，所述采样单元的第二连接端用于连接所述待检测电池的负极；所述电源通断模块的第三连接端连接所述电源单元的输入端和所述采样单元的第三连接端，所述电源单元的输出端分别连接所述采样单元的第四连接端、所述CPU单元的第一连接端 和所述通讯单元的第一连接端，所述CPU单元的第二连接端连接所述通讯单元的第二连接端，所述采样单元的第五连接端连接所述CPU单元的第三连接端，所述CPU通断模块的第二连接端连接所述CPU单元的第四连接端；
在所述电源通断模块的第一连接端、所述采样单元的第一连接端与所述待检测电池的正极连接，所述电池电压检测模块的第一连接端、所述采样单元的第二连接端与所述待检测电池的负极连接的情况下；
所述电池电压检测模块用于检测所述待检测电池的输出电压，在所述输出电压大于等于第一预设阈值的情况下，向所述电源通断模块输出第一有效电平信号，在所述输出电压小于所述第一预设阈值的情况下，向所述电源通断模块输出第一无效电平信号；
所述开关量模块用于根据用户的开关操作，向所述电源通断模块输出第二有效电平信号或第二无效电平信号；
所述电源通断模块用于在接收到所述第一有效电平信号、第二有效电平信号中至少一个的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电；
在所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元用于通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息；
所述CPU单元还用于确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第三无效电平信号，若否，向所述上下电单元输出第三有效电平信号；
所述电源通断模块还用于在同时接收到所述第一无效电平信号、第二无效电平信号和第三无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电。
结合本发明实施例的第二方面，在本发明实施例的第二方面的第一种可能的实现方式中，
所述CPU单元还用于接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压或所述关机指令；
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元具体用于确定需要断开所述待检测电池与所述电源单元之间的连接。
结合本发明实施例的第二方面或第二方面的第一种可能的实现方式，在本发明实施例的第二方面的第二种可能的实现方式中，
所述电池电压检测模块包括第一电阻、第二电阻、第三电阻和比较器，所述第一电阻第一端和所述比较器的电源端用于连接所述待检测电池的负极，所述第一电阻的第二端连接所述第二电阻的第一端和所述比较器的输入端，所述第二电阻的第二端接地，所述比较器的输出端连接所述第三电阻的第一端，所述第三电阻的第二端连接所述电源通断模块，其中，所述比较器的工作电流为微安级。
结合本发明实施例的第二方面至第二方面的第二种可能的实现方式，在本发明实施例的第二方面的第三种可能的实现方式中，
所述电源通断模块包括第四电阻、第五电阻和MOS管，所述第四电阻与所述MOS管并联，所述第四电阻和所述MOS管并联的第一端用于连接所述待检测电池的正极，所述第四电阻和所述MOS管并联的第二端连接所述第五电阻的一端，所述第五电阻另一端连接所述电池电压检测模。
结合本发明实施例的第二方面至第二方面的第三种可能的实现方式，在本发明实施例的第二方面的第四种可能的实现方式中，
所述CPU通断模块包括第六电阻和开关子模块，所述第六电阻一端连接所述电源通断模块，另一端连接所述开关子模块的第一连接端，所述开关子模块第二连接端连接所述CPU单元的第三连接端。
本发明实施例第三方面提供了一种电池检测的方法，应用于电池检测装置，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
所述方法包括：
所述上下电单元检测待检测电池的输出电压，在所述输出电压大于等于 第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的所述输出端向所述采样单元、所述CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电；
在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息。
结合本发明实施例的第三方面，在本发明实施例的第三方面的第一种可能的实现方式中，
所述方法还包括：
在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下电单元输出第一有效电平信号；
所述上下电单元在接收到所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间维持导通，在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接。
结合本发明实施例的第三方面的第一种可能的实现方式，在本发明实施例的第三方面的第二种可能的实现方式中，
所述方法还包括：
所述CPU单元接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，包括：
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元确定需要断开所述待检测电池与所述电源单元之间的连接。
结合本发明实施例的第三方面到第三方面的第二种可能的实现方式，在本发明实施例的第三方面的第三种可能的实现方式中，
所述方法还包括：
所述上下电单元根据用户的开关操作，接收第二有效电平信号或第二无效电平信号；
所述上下电单元在接收到所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接；在接收到所述第二有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通。
本发明实施例第四方面提供了一种电池检测的方法，应用于电池检测装置，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
所述方法包括：
所述上下电单元检测待检测电池的输出电压；
所述上下电单元根据用户的开关操作，接收第一有效电平信号或第一无效电平信号；
所述上下电单元在所述输出电压大于等于第一预设阈值或接收所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电；
在所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息；
所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下电单元输出第一有效电平信号；
所述上下电单元在所述输出电压小于所述第一预设阈值、且接收到所述第一无效电平信号和所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和 所述通讯单元供电。
结合本发明实施例的第四方面，在本发明实施例的第四方面的第一种可能的实现方式中，
所述方法还包括：
所述CPU单元接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，包括：
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元确定需要断开所述待检测电池与所述电源单元之间的连接。
从以上技术方案可以看出，本发明实施例具有以下优点：
本发明实施例中，通过设置上下电单元，检测所述待检测电池输出电压；在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元向所述采样单元、所述CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电，避免了电池在低电量时，电池检测装置仍然从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。
附图说明
图1是本发明实施例中电池检测装置的一个实施例示意图；
图2是本发明实施例中电池检测装置的另一个实施例示意图；
图3是本发明实施例中电池检测装置的另一个实施例示意图；
图4是本发明实施例中电池电压检测模块的一个实施例示意图；
图5是本发明实施例中电池检测装置的另一个实施例示意图；
图6是本发明实施例中电池检测装置的另一个实施例示意图；
图7是本发明实施例中电池检测装置的另一个实施例示意图；
图8是本发明实施例中电池检测站点的一个实施例示意图；
图9是本发明实施例中电池检测系统的一个实施例示意图；
图10是本发明实施例中电池检测的方法的一个实施例示意图；
图11是本发明实施例中电池检测的方法的另一个实施例示意图。
具体实施方式
本发明实施例提供了一种电池检测的方法及装置，避免了电池在低电量时，电池检测装置仍然从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。
为了使本技术领域的人员更好地理解本发明方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
下面首先介绍本发明实施例中电池检测装置的实施例。
如图1所示，本发明实施例中电池检测装置100的一个实施例包括：电源单元101、上下电单元102、采样单元103、CPU单元104和通讯单元105；
所述上下电单元102的第一连接端用于连接待检测电池的正极，所述上下电单元102的第二连接端用于连接所述待检测电池的负极，所述采样单元103的第一连接端用于连接所述待检测电池的正极，所述采样单元103的第二连接端用于连接所述待检测电池的负极；所述上下电单元102的第三连接端连接所 述电源单元101的输入端和所述采样单元103的第三连接端，所述电源单元101的输出端分别连接所述采样单元103的第四连接端、所述CPU单元104的第一连接端和所述通讯单元105的第一连接端，所述CPU单元104的第二连接端连接所述通讯单元105的第二连接端，所述采样单元103的第五连接端连接所述CPU单元105的第三连接端；
在所述上下电单元102的第一连接端、所述采样单元103的第一连接端与所述待检测电池的正极连接，所述上下电单元102的第二连接端、所述采样单元103的第二连接端与所述待检测电池的负极连接的情况下；
所述上下电单元102用于检测所述待检测电池输出电压；在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元101之间导通，所述待检测电池通过所述电源单元的所述输出端向所述采样单元103、所述CPU单元104和所述通讯单元105供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元101之间断开连接，所述待检测电池停止向所述采样单元103、所述CPU单元104和所述通讯单元105供电；
其中，所述第一预设阈值小于所述待检测电池出厂容量所对应的电压值，且低于所述待检测电池的浮充电压值，电池的浮充电压值的确定方式为本领域技术人员所熟知，此处不再赘述。
在所述上下电单元102使所述待检测电池与所述电源单元101之间导通的情况下，
所述CPU单元104用于通过所述采样单元103从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，其中，电池状态信息可以是电池的电压、内阻、温度等状态信息，CPU单元通过采样单元采集这些信息进行采集为现有技术，此处不做限定。
所述CPU单元104还用于通过所述通讯单元105与外部上位机进行信息交互，向所述上位机上报所述电池状态信息。
本发明实施例中，通过设置上下电单元，检测所述待检测电池输出电压；在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元向所述采样单元、所述 CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电，避免了电池在低电量时，电池检测装置仍然从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。
可选的，所述上下电单元的工作电流可以为微安级或微安级以下级，这样上下电单元的工作电流就远远小于电池的自放电电流，在上下电单元使所述待检测电池与所述电源单元101之间断开的情况下，整个电池检测装置的功耗即只有上下电单元耗电，可以实现电池检测装置的功耗远远小于电池自放电功耗。
在本发明的一些实施例中，所述电池检测装置可以设置连接器或连接端子，所述上下电单元102的第一连接端、所述采样单元103的第一连接端可以通过该设置的连接器或连接端子与待检测电池的正极连接，所述上下电单元102的第二连接端、所述采样单元103的第二连接端可以通过该连接器或连接端子与所述待检测电池的负极连接，例如，电池检测装置上设置有连接器，连接器上有四个引脚：第一引脚、第二引脚、第三引脚、第四引脚，第一引脚和第二引脚分别连接所述上下电单元102的第一连接端、所述采样单元103的第一连接端，第一引脚和第二引脚用于与所述待检测电池的正极连接；第三引脚和第四引脚分别连接所述上下电单元102的第二连接端、所述采样单元103的第二连接端；第三引脚和第四引脚用于与所述待检测电池的负极连接，此时，当第一引脚和第二引脚连接所述待检测电池的正极，第三引脚和第四引脚连接所述待检测电池的负极，即实现所述上下电单元102的第一连接端、所述采样单元103的第一连接端与所述待检测电池的正极连接，所述上下电单元102的第二连接端、所述采样单元103的第二连接端与所述待检测电池的负极连接。
可选的，在本发明一些实施例中，如图2所示，所述上下电单元102的第三连接端连接所述CPU单元的第三连接端；
在所述上下电单元103使所述待检测电池与所述电源单元101之间导通的情况下，所述CPU单元104还用于确定是否需要断开所述待检测电池与所述 电源单元101之间的连接，若是，向所述上下电单元102输出第一无效电平信号，若否，向所述上下电单元102输出第一有效电平信号；
所述上下电单元102还用于在接收到所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元101之间维持导通，在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元101之间断开连接。
可选的，所述CPU单元104还用于接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，此时，所述CPU单元104具体用于确定需要断开所述待检测电池与所述电源单元101之间的连接。因而此种情况下，当采样单元103采样的电池状态信息中包括所述待检测电池的电压，CPU单元104确定满足所述待检测电池的电压低于第二预设阈值且达到预设时间时，此时，CPU单元104可以认定所述待检测电池处于低电量状态，CPU单元104确定需要断开所述待检测电池与所述电源单元101之间的连接，向所述上下电单元102输出第一无效电平信号，所述上下电单元102在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元101之间断开连接，其中所述第二预设阈值同样小于所述待检测电池出厂容量所对应的电压值，且低于所述待检测电池的浮充电压值，第二预设阈值可以和第一预设阈值相同，也可以不同，此处不做限定。
此时，除了上面上下电单元102直接检测所述待检测电池的电压外，在所述待检测电池处于低电量时，上下电单元102切断所述待检测电池与电源单元101的连接，停止供电，还可以是CPU单元通过采样单元确定所述待检测电池的电压，在所述待检测电池的电压低于第二预设阈值且达到预设时间，确定所述待检测电池处于低电量，通过CPU单元104输出第一无效电平信号，使所述待检测电池与所述电源单元101之间断开连接，停止供电。
同时，此过程中还可以主动控制所述电池检测装置从所述待检测电池取电，例如，CPU单元104还可以直接通过通讯单元105接收上位机下发的系统状态信号，当所述系统状态信号为关机指令时，通过CPU单元104输出第一无效电平信号，使所述待检测电池与所述电源单元101之间断开连接，停止 供电。
如图3所示，本发明实施例中，所述上下电单元102可以包括电源通断模块、电池电压检测模块；
所述电源通断模块的第一连接端为所述上下电单元102的第一连接端、所述电池电压检测模块的第一连接端为所述上下电单元102的第二连接端，所述电源通断模块的第二连接端连接所述电池电压检测模块的第二连接端，所述电源通断模块的第三连接端为所述上下电单元102的第三连接端；
所述电池电压检测模块用于检测所述待检测电池输出电压；在所述待检测电池输出电压大于等于第一预设阈值的情况下，所述电池电压检测模块还用于向所述电源通断模块输出第二有效电平信号；在所述待检测电池输出电压小于所述第一预设阈值的情况下，所述电池电压检测模块还用于向所述电源通断模块输出第二无效电平信号；
所述电源通断模块用于在接收到所述第二有效电平信号的情况下，使所述待检测电池与所述电源单元101之间导通，所述待检测电池通过所述电源单元向所述采样单元、所述CPU单元14和所述通讯单元105供电；所述电源通断模块用于在接收到所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元101之间断开连接，所述待检测电池停止向所述采样单元103、所述CPU单元104和所述通讯单元105供电。
可选的，如图4所示，所述电池电压检测模块包括第一电阻R1、第二电阻R2、第三电阻R3和比较器，所述第一电阻R1第一端和所述比较器的电源端用于连接所述待检测电池的正极，所述第一电阻R1的第二端连接所述第二电阻R2的第一端和所述比较器的输入端，所述第二电阻R2的第二端接地，所述比较器的输出端连接所述第三电阻R3的第一端，所述第三电阻R3的第二端连接所述电源通断模块，其中，所述比较器的工作电流为微安级。
可选的，所述比较器的基准电压V1与所述待检测电池的标准电压V2的比值可以满足：V1/V2＝R1/R2，其中R1为第一电阻阻值，R2为第二电阻阻值。
可选的，所述电源通断模块包括第四电阻、第五电阻和MOS管，所述第四电阻与所述MOS管并联，所述第四电阻和所述MOS管并联的第一端用于连接所述待检测电池的正极，所述第四电阻和所述MOS管并联的第二端连接 第五电阻的一端，所述第五电阻另一端连接所述电池电压检测模块。
如图5所示，在图3所示电池检测装置实施例的基础上，在本发明的一些实施例中，所述上下电单元102还包括CPU通断模块，所述CPU通断模块分别连接所述电源通断模块和所述CPU单元104的第三连接端；
在所述待检测电池与所述电源单元101之间导通的情况下，所述CPU通断模块用于接收所述CPU单元104输出的所述第一有效电平信号或所述第一无效电平信号；
在接收到所述第一无效电平信号的情况下，所述CPU通断模块用于向所述电源通断模块输出第四无效电平信号，使得所述待检测电池与所述电源单元101之间断开连接；在接收到所述第一有效电平信号的情况下，所述CPU通断模块用于向所述电源通断模块输出第四有效电平信号，所述电源通断模块用于使所述待检测电池与所述电源单元101之间导通。
可选的，所述CPU通断模块包括第六电阻和开关子模块，所述第六电阻一端连接所述电源通断模块，另一端连接所述开关子模块的第一连接端，所述开关子模块第二连接端连接所述CPU单元的第三连接端，所述开关子模块可以为NMOS管、PMOS管、继电器等。
在本发明的一些实施例中，为了在有些情况下实现人工控制所述待检测电池对电池检测装置的供电，例如所述电池检测装置不需要对所述待检测电池进行检测了时，此时断开所述待检测电池对电池检测装置的供电，可以避免电池电量无用浪费，此时，所述上下电单元102还包括开关量模块，如图6所示，所述开关量模块与所述电源通断模块连接，所述开关量模块可以是船型开关，钮子开关，拨动开关，按钮开关或按键开关等，通过人工控制开关量模块的开或关；
所述开关量模块用于根据用户的开关操作，向所述电源通断模块输出第三有效电平信号或第三无效电平信号，具体的可以是，当用户打开开关量模块时，向所述电源通断模块输出第三有效电平信号，当用户关闭开关量模块时，向所述电源通断模块输出第三无效电平信号。例如，当开关量开关是按键开关时，用户按键打开开关，开关量模块向所述电源通断模块输出第三有效电平信号，用户按键关闭开关，向所述电源通断模块输出第三无效电平信号。
所述电源通断模块还用于在接收到所述第三无效电平信号的情况下，使所述待检测电池与所述电源单元101之间断开连接；所述电源通断模块用于在接收到所述第三有效电平信号的情况下，使所述待检测电池与所述电源单元101之间导通。
如图7所示，本发明实施例中提供的电池检测装置的另一个实施例如下：
电池检测装置200包括电源单元201、上下电单元202、采样单元203、CPU单元204和通讯单元205；
其中，所述上下电单元202包括电源通断模块、电池电压检测模块、CPU通断模块和开关量模块；
所述电源通断模块的第一连接端用于连接待检测电池的正极，所述电池电压检测模块的第一连接端用于连接所述待检测电池的负极，所述电源通断模块的第二连接端分别连接所述电池电压检测模块的第二连接端、所述CPU通断模块的第一连接端、所述开关量模块；
所述采样单元203的第一连接端用于连接所述待检测电池的正极，所述采样单元203的第二连接端用于连接所述待检测电池的负极；所述电源通断模块的第三连接端连接所述电源单元201的输入端和所述采样单元203的第三连接端，所述电源单元201的输出端分别连接所述采样单元203的第四连接端、所述CPU单元204的第一连接端和所述通讯单元205的第一连接端，所述CPU单元204的第二连接端连接所述通讯单元205的第二连接端，所述采样单元203的第五连接端连接所述CPU单元204的第三连接端，所述CPU通断模块的第二连接端连接所述CPU单元204的第四连接端；
在所述电源通断模块的第一连接端、所述采样单元203的第一连接端与所述待检测电池的正极连接，所述电池电压检测模块的第一连接端、所述采样单元203的第二连接端与所述待检测电池的负极连接的情况下；
所述电池电压检测模块用于检测所述待检测电池输出电压；在所述输出电压大于等于第一预设阈值的情况下，向所述电源通断模块输出第一有效电平信号，在所述输出电压小于所述第一预设阈值的情况下，向所述电源通断模块输出第一无效电平信号；
所述开关量模块用于根据用户的开关操作，向所述电源通断模块输出第二 有效电平信号或第二无效电平信号；
所述电源通断模块在接收到所述第一有效电平信号、第二有效电平信号中至少一个时，所述电源通断模块导通，使所述待检测电池通过所述电源单元201通过所述输出端向所述采样单元203、所述CPU单元204和所述通讯单元205供电；
在所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元204用于通过所述采样单元203从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元205与外部上位机进行信息交互，向所述上位机上报所述电池状态信息；
所述CPU单元204还用于确定是否需要断开所述待检测电池与所述电源单元201之间的连接，若是，向所述上下电单元202输出第三无效电平信号，若否，向所述上下电单元202输出第三有效电平信号；
所述电源通断模块在同时接收到所述第一无效电平信号、第二无效电平信号和第三无效电平信号时，使所述待检测电池与所述电源单元201之间断开，使所述待检测电池停止向所述采样单元203、所述CPU单元204和所述通讯单元205供电。
本发明实施例中，在上下电单元中的电源通断模块接收到所述第一有效电平信号、第二有效电平信号中至少一个的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电，在电源通断模块同时接收到所述第一无效电平信号、第二无效电平信号和第三无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电，避免了电池在低电量时，电池检测装置仍然无选择的直接从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。
可选的，所述上下电单元的工作电流可以为微安级或以下微安级以下级，这样上下电单元的工作电流就远远小于电池的自放电电流，在上下电单元使所述待检测电池与所述电源单元201之间断开的情况下，整个电池检测装置的功耗即只有上下电单元耗电，可以实现电池检测装置的功耗远远小于电池自放电 功耗。
可选的,所述CPU单元204还用于接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压或所述关机指令；
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元204具体用于确定需要断开所述待检测电池与所述电源单元之间的连接。
可选的，所述电池电压检测模块包括第一电阻、第二电阻、第三电阻和比较器，所述第一电阻第一端和所述比较器的电源端用于连接所述待检测电池的负极，所述第一电阻的第二端连接所述第二电阻的第一端和所述比较器的输入端，所述第二电阻的第二端接地，所述比较器的输出端连接所述第三电阻的第一端，所述第三电阻的第二端连接所述电源通断模块，其中，所述比较器的工作电流为微安级。
可选的，所述比较器的基准电压V1与所述待检测电池的标准电压V2的比值可以满足：V1/V2＝R1/R2，其中R1为第一电阻阻值，R2为第二电阻阻值。
可选的，所述电源通断模块包括第四电阻、第五电阻和MOS管，所述第四电阻与所述MOS管并联，所述第四电阻和所述MOS管并联的第一端用于连接所述待检测电池的正极，所述第四电阻和所述MOS管并联的第二端连接所述第五电阻的一端，所述第五电阻另一端连接所述电池电压检测模。
可选的，所述CPU通断模块包括第六电阻和开关子模块，所述第六电阻一端连接所述电源通断模块，另一端连接所述开关子模块的第一连接端，所述开关子模块第二连接端连接所述CPU单元的第三连接端。
需要说明的是，上述实施例中，所描述的有效电平信号一般情况下指的是高电平信号，无效电平信号一般情况下指的是低电平信号，但是不限定在有些实施例中，使用低电平信号作为有效电平信号，高电平信号作为无效电平信号。
上面介绍本发明实施例中电池检测装置，下面介绍本发明实施例中电池检测系统。
如图8所示，本发明实施例中提供的电池检测站点包括至少一个上述任一种电池检测装置801和上位机802；
所述电池检测装置的第一端子和第二端子用于与一个待检测电池的正极 连接，所述电池检测装置通过所述电池检测装置内的通讯单元与所述上位机802进行通讯。
本发明实施例中，还提供一种电池检测系统，所述电池检测系统包括至少一个如上所述的电池检测站点。
电池检测系统的一个实施例如图9所示，包括M个电池检测站点，其中，M＞1，M为正整数，该M个电池检测站点中每个电池检测站点可以是上述电池检测站点实施例中所述的任一电池检测站点。
下面介绍本发明实施例中电池检测的方法的实施例。
本发明实施例中电池检测的方法的实施例应用于电池检测装置，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
请参阅图10，本发明实施例中电池检测的方法的一个实施例包括：
1001、上下电单元检测待检测电池的输出电压，在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接；
本实施例中，在所述待检测电池与所述电源单元之间导通的情况下，所述待检测电池通过所述电源单元的所述输出端向所述采样单元、所述CPU单元和所述通讯单元供电；在所述待检测电池与所述电源单元之间断开连接的情况下，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电。
1002、在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息。
本发明实施例中，通过电池检测装置的上下电单元检测所述待检测电池输出电压，在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元向所述采样单元、所述CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测 电池停止向所述采样单元、所述CPU单元和所述通讯单元供电，避免了电池在低电量时，电池检测装置仍然从电池取电维持检测，而造成电池不可恢复的损害的问题，提高了电池的使用寿命。
可选的，所述方法还包括：
在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下电单元输出第一有效电平信号；
所述上下电单元在接收到所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间维持导通，在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接。
可选的，所述方法还包括：
所述CPU单元接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，包括：
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元确定需要断开所述待检测电池与所述电源单元之间的连接。
可选的，所述方法还包括：
所述上下电单元根据用户的开关操作，接收第二有效电平信号或第二无效电平信号；
所述上下电单元在接收到所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接；在接收到所述第二有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通。
请参阅图11，本发明实施例中电池检测的方法的一个实施例包括：
1101、上下电单元检测待检测电池的输出电压；
1102、上下电单元根据用户的开关操作，接收第一有效电平信号或第一无效电平信号；
1103、上下电单元在所述输出电压大于等于第一预设阈值或接收所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通；
在所述待检测电池与所述电源单元之间导通的情况下，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电；
1104、在所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息；
1105、在所述待检测电池与所述电源单元之间导通的情况下，CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，执行步骤1106，若否，执行步骤1107；
1106、CPU单元向所述上下电单元输出第一无效电平信号；
1107、CPU单元向所述上下电单元输出第一有效电平信号；
所述上下电单元接收到第一有效电平信号时，若所述待检测电池与所述电源单元之间之前是导通的，则维持导通，若所述待检测电池与所述电源单元之间之前是断开的，使所述待检测电池与所述电源单元之间导通。
1108、上下电单元在所述输出电压小于所述第一预设阈值、且接收到所述第一无效电平信号和所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电。
本发明实施例中，在上下电单元中的电源通断模块接收到所述第一有效电平信号、第二有效电平信号中至少一个的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电，在电源通断模块同时接收到所述第一无效电平信号、第二无效电平信号和第三无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电，避免了电池在低电量时，电池检测装置仍然无选择的直接从电池取电维持检测，而造成电池不可恢复的损害的问题，提 高了电池的使用寿命。
可选的，所述方法还包括：
所述CPU单元接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，包括：
当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元确定需要断开所述待检测电池与所述电源单元之间的连接。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全 部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (14)

  1. 一种电池检测装置，其特征在于，用于检测电池状态，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
    所述上下电单元的第一连接端用于连接待检测电池的正极，所述上下电单元的第二连接端用于连接所述待检测电池的负极，所述采样单元的第一连接端用于连接所述待检测电池的正极，所述采样单元的第二连接端用于连接所述待检测电池的负极；所述上下电单元的第三连接端连接所述电源单元的输入端和所述采样单元的第三连接端，所述电源单元的输出端分别连接所述采样单元的第四连接端、所述CPU单元的第一连接端和所述通讯单元的第一连接端，所述CPU单元的第二连接端连接所述通讯单元的第二连接端，所述采样单元的第五连接端连接所述CPU单元的第三连接端；
    在所述上下电单元的第一连接端、所述采样单元的第一连接端与所述待检测电池的正极连接，所述上下电单元的第二连接端、所述采样单元的第二连接端与所述待检测电池的负极连接的情况下；
    所述上下电单元用于检测所述待检测电池的输出电压，在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电；
    在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元用于通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息。
  2. 根据权利要求1所述的装置，其特征在于，
    所述上下电单元的第三连接端连接所述CPU单元的第三连接端；
    在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元还用于确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下 电单元输出第一有效电平信号；
    所述上下电单元还用于在接收到所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间维持导通，在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接。
  3. 根据权利要求2所述的装置，其特征在于，所述CPU单元还用于接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
    当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元具体用于确定需要断开所述待检测电池与所述电源单元之间的连接。
  4. 根据权利要求2或3所述的装置，其特征在于，所述上下电单元包括电源通断模块、电池电压检测模块；
    所述电源通断模块的第一连接端为所述上下电单元的第一连接端、所述电池电压检测模块的第一连接端为所述上下电单元的第二连接端，所述电源通断模块的第二连接端连接所述电池电压检测模块的第二连接端，所述电源通断模块的第三连接端为所述上下电单元的第三连接端；
    所述电池电压检测模块用于检测所述待检测电池输出电压，在所述待检测电池输出电压大于等于第一预设阈值的情况下，所述电池电压检测模块还用于向所述电源通断模块输出第二有效电平信号；在所述待检测电池输出电压小于所述第一预设阈值的情况下，所述电池电压检测模块还用于向所述电源通断模块输出第二无效电平信号；
    所述电源通断模块用于在接收到所述第二有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元向所述采样单元、所述CPU单元和所述通讯单元供电；所述电源通断模块用于在接收到所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电。
  5. 根据权利要求4所述的装置，其特征在于，
    所述上下电单元还包括CPU通断模块，所述CPU通断模块分别连接所述 电源通断模块和所述CPU单元的第三连接端；
    在所述待检测电池与所述电源单元之间导通的情况下，所述CPU通断模块用于接收所述CPU单元输出的所述第一有效电平信号或所述第一无效电平信号；
    在接收到所述第一无效电平信号的情况下，所述CPU通断模块用于向所述电源通断模块输出第四无效电平信号，使得所述待检测电池与所述电源单元之间断开连接；在接收到所述第一有效电平信号的情况下，所述CPU通断模块用于向所述电源通断模块输出第四有效电平信号，所述电源通断模块用于使所述待检测电池与所述电源单元之间导通。
  6. 根据权利要求4所述的装置，其特征在于，
    所述上下电单元还包括开关量模块，所述开关量模块与所述电源通断模块连接；
    所述开关量模块用于根据用户的开关操作，向所述电源通断模块输出第三有效电平信号或第三无效电平信号；
    所述电源通断模块还用于在接收到所述第三无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接；所述电源通断模块用于在接收到所述第三有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通。
  7. 一种电池检测装置，其特征在于，用于检测电池状态，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
    其中，所述上下电单元包括电源通断模块、电池电压检测模块、CPU通断模块和开关量模块；
    所述电源通断模块的第一连接端用于连接待检测电池的正极，所述电池电压检测模块的第一连接端用于连接所述待检测电池的负极，所述电源通断模块的第二连接端分别连接所述电池电压检测模块的第二连接端、所述CPU通断模块的第一连接端、所述开关量模块；
    所述采样单元的第一连接端用于连接所述待检测电池的正极，所述采样单元的第二连接端用于连接所述待检测电池的负极；所述电源通断模块的第三连接端连接所述电源单元的输入端和所述采样单元的第三连接端，所述电源单元 的输出端分别连接所述采样单元的第四连接端、所述CPU单元的第一连接端和所述通讯单元的第一连接端，所述CPU单元的第二连接端连接所述通讯单元的第二连接端，所述采样单元的第五连接端连接所述CPU单元的第三连接端，所述CPU通断模块的第二连接端连接所述CPU单元的第四连接端；
    在所述电源通断模块的第一连接端、所述采样单元的第一连接端与所述待检测电池的正极连接，所述电池电压检测模块的第一连接端、所述采样单元的第二连接端与所述待检测电池的负极连接的情况下；
    所述电池电压检测模块用于检测所述待检测电池的输出电压，在所述输出电压大于等于第一预设阈值的情况下，向所述电源通断模块输出第一有效电平信号，在所述输出电压小于所述第一预设阈值的情况下，向所述电源通断模块输出第一无效电平信号；
    所述开关量模块用于根据用户的开关操作，向所述电源通断模块输出第二有效电平信号或第二无效电平信号；
    所述电源通断模块用于在接收到所述第一有效电平信号、第二有效电平信号中至少一个的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电；
    在所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元用于通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息；
    所述CPU单元还用于确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第三无效电平信号，若否，向所述上下电单元输出第三有效电平信号；
    所述电源通断模块还用于在同时接收到所述第一无效电平信号、第二无效电平信号和第三无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电。
  8. 根据权利要求7所述的装置，其特征在于，
    所述CPU单元还用于接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压或所述关机指令；
    当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元具体用于确定需要断开所述待检测电池与所述电源单元之间的连接。
  9. 一种电池检测的方法，其特征在于，应用于电池检测装置，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
    所述方法包括：
    所述上下电单元检测待检测电池的输出电压，在所述输出电压大于等于第一预设阈值的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的所述输出端向所述采样单元、所述CPU单元和所述通讯单元供电；在所述输出电压小于所述第一预设阈值的情况下，使所述待检测电池与所述电源单元之间断开连接，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电；
    在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息。
  10. 根据权利要求9所述的方法，其特征在于，
    所述方法还包括：
    在所述上下电单元使所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下电单元输出第一有效电平信号；
    所述上下电单元在接收到所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间维持导通，在接收到所述第一无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接。
  11. 根据权利要求10所述的方法，其特征在于，
    所述方法还包括：
    所述CPU单元接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
    所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，包括：
    当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元确定需要断开所述待检测电池与所述电源单元之间的连接。
  12. 根据权利要求9至11中任一所述的方法，其特征在于，
    所述方法还包括：
    所述上下电单元根据用户的开关操作，接收第二有效电平信号或第二无效电平信号；
    所述上下电单元在接收到所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开连接；在接收到所述第二有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通。
  13. 一种电池检测的方法，其特征在于，应用于电池检测装置，所述电池检测装置包括电源单元、上下电单元、采样单元、CPU单元和通讯单元；
    所述方法包括：
    所述上下电单元检测待检测电池的输出电压；
    所述上下电单元根据用户的开关操作，接收第一有效电平信号或第一无效电平信号；
    所述上下电单元在所述输出电压大于等于第一预设阈值或接收所述第一有效电平信号的情况下，使所述待检测电池与所述电源单元之间导通，所述待检测电池通过所述电源单元的输出端向所述采样单元、所述CPU单元和所述通讯单元供电；
    在所述待检测电池与所述电源单元之间导通的情况下，所述CPU单元通过所述采样单元从所述待检测电池进行采样，获取所述待检测电池的电池状态信息，并通过所述通讯单元与外部上位机进行信息交互，向所述上位机上报所述电池状态信息；
    所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的 连接，若是，向所述上下电单元输出第一无效电平信号，若否，向所述上下电单元输出第一有效电平信号；
    所述上下电单元在所述输出电压小于所述第一预设阈值、且接收到所述第一无效电平信号和所述第二无效电平信号的情况下，使所述待检测电池与所述电源单元之间断开，所述待检测电池停止向所述采样单元、所述CPU单元和所述通讯单元供电。
  14. 根据权利要求13所述的方法，其特征在于，
    所述方法还包括：
    所述CPU单元接收所述上位机下发的系统状态信息，所述电池状态信息包括所述待检测电池的电压；
    所述CPU单元确定是否需要断开所述待检测电池与所述电源单元之间的连接，包括：
    当满足所述待检测电池的电压低于第二预设阈值且达到预设时间，或所述系统状态信息为关机指令中至少一个条件的情况下，所述CPU单元确定需要断开所述待检测电池与所述电源单元之间的连接。
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