CN110297190A - Battery voltage detector, system and detection method - Google Patents
Battery voltage detector, system and detection method Download PDFInfo
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- CN110297190A CN110297190A CN201910672336.5A CN201910672336A CN110297190A CN 110297190 A CN110297190 A CN 110297190A CN 201910672336 A CN201910672336 A CN 201910672336A CN 110297190 A CN110297190 A CN 110297190A
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- battery
- mesuring battary
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention is suitable for voltage detecting technical field, provides a kind of battery voltage detector, system and detection method.The battery voltage detector includes: voltage sample module, MCU module, display module, key module and interface module；Mesuring battary and the battery voltage detector are attached, the battery check device detects mesuring battary, and the cell voltage measured is stored；After the completion of all batteries detection, the battery voltage detector is connect with terminal device, all batteries voltage transmission measured is handled to terminal device and generated electronic data sheet, improves the efficiency and accuracy of battery voltage detection.
Description
Technical field
The invention belongs to voltage detecting technical field more particularly to a kind of battery voltage detectors, system and detection side
Method.
Background technique
In power plant, substation, in order to guarantee that system remains to operate normally when external alternating current interrupts, and needs to be arranged
Battery is that signalling arrangement, automatic device and breaker open operation operation etc. provide DC power supply.To ensure that battery group is exchanging
Electricity normally can provide power supply when interrupting for equipment, need timing to detect battery group, guarantee battery group energy normal use.
Currently, predominantly artificial utilization multimeter is detected to battery group and measures battery voltage, handwriting mode note
Record data.The traditional artificial hand-written record data of measurement, measurement efficiency is low, process is cumbersome, error-prone, greatly reduces working efficiency
And accuracy of measurement.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of battery voltage detector, system and detection method, to solve
The problems such as artificial detection battery efficiency is low, error-prone in the prior art.
The first aspect of the embodiment of the present invention provides a kind of battery voltage detector, comprising:
Voltage sample module, MCU module, display module, key module and interface module；The MCU module respectively with electricity
Press sampling module, display module, key module and interface module electrical connection；
The voltage sample module is for being acquired the voltage of mesuring battary, and by collected analog voltage signal
Digital voltage signal is converted to after being improved to export to MCU module；
The MCU module is used to be handled the digital voltage signal to obtain the voltage of mesuring battary, and will be described
The voltage of mesuring battary is stored and is sent to the display module and shown；
The key module is used to instruct to MCU module input control；
For the interface module for connecting with terminal device, the voltage for the mesuring battary that the MCU module is handled is logical
It crosses the interface module and is sent to terminal device.
Optionally, the battery voltage detector, further includes:
Alarm module is electrically connected with the MCU module；When the MCU module detects that the voltage of the mesuring battary is super
Control instruction is sent to the alarm module when crossing predetermined voltage range, the alarm module opens after receiving the control instruction
Dynamic alarm.
Optionally, the battery voltage detector, further includes:
Power module is used to provide the described the working power of battery voltage detector.
Optionally, the voltage sample module includes:
Voltage conditioning unit, for improving collected analog voltage signal；And
AD conversion unit, for the analog voltage signal after conditioning to be converted to digital voltage signal.
Optionally, the voltage conditioning unit includes:
First signal input part, second signal input terminal, the first divider resistance, the second divider resistance, third divider resistance,
Feedback resistance and operational amplifier；
The anode connection of first signal input part and mesuring battary, the second signal input terminal and mesuring battary
Cathode connection；
One end of first divider resistance is connect with the first signal input part, the other end of first divider resistance with
The positive input terminal of the operational amplifier connects；
One end of second divider resistance is connect with the positive input terminal of the operational amplifier, and the other end and signal ground connect
It connects；
One end of the third divider resistance is connect with second signal input terminal, the other end of the third divider resistance with
The negative input end of the operational amplifier connects；
One end of the feedback resistance is connect with the negative input end of the operational amplifier, the other end and the operation amplifier
The output end of device connects.
Optionally, the resolution ratio of the AD conversion unit is at least 12.
Optionally, the display module includes:
Battery coding display charactron group, for showing the coding of the mesuring battary；And
Voltage shows charactron group, for showing the voltage of the mesuring battary.
Optionally, the key module include above look into key, under look into key and determination key, for input control instruct.
The second aspect of the embodiment of the present invention provides a kind of battery voltage detection system, including terminal device and the present invention
The battery voltage detector that the first aspect of embodiment provides；
The terminal device generates electronic data sheet for handling the voltage of the mesuring battary.
The third aspect of the embodiment of the present invention provides a kind of battery voltage detection method, comprising the following steps:
Battery voltage detector is connect by step A with mesuring battary；
Step B observes the voltage value on the display module, when the voltage value is stablized, presses acknowledgement key, shows mould
Current voltage value on block is the voltage of mesuring battary, and the MCU module stores the voltage of the mesuring battary；
Step C judges that whether all battery complete by test, thens follow the steps E if being completed, if not completing, executes step
Rapid D；
Step D, presses down and looks into key, repeats step A to step B, carries out the detection of next piece of mesuring battary；
Communication interface on battery voltage detector is connect by step E with terminal device, the battery voltage detection dress
The voltage transmission for each mesuring battary that will test is set to the terminal device；
Step F, the terminal device handle the voltage of each mesuring battary, generate electronic data sheet.
Existing beneficial effect is the embodiment of the present invention compared with prior art: utilizing battery voltage to detection device to be measured
The voltage of battery is detected and stored, and then connect battery voltage detector with terminal device, by the battery measured electricity
Pressure is transferred to terminal device and is handled, and generates electronic data sheet, improves the efficiency and accuracy of measurement.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the appearance diagram of battery voltage detector provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of battery voltage detector provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another battery voltage detector provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of voltage sample module provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of voltage conditioning unit provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of battery voltage detection system provided in an embodiment of the present invention；
Fig. 7 is the flow diagram of battery voltage detection method provided in an embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment one:
Referring to fig. 2, one embodiment of the invention provides a kind of battery voltage detector 200, comprising: voltage sample module
201, MCU module 202, display module 203, key module 204 and interface module 205.MCU module 202 respectively with voltage sample
Module 201, display module 203, key module 204 and interface module 205 are electrically connected.
The voltage sample module 201 is for being acquired the voltage of mesuring battary, and by collected analog voltage
Signal is converted to digital voltage signal and exports to MCU module 202 after being improved；The MCU module 202 is used for the number
Voltage signal is handled to obtain the voltage of mesuring battary, and the voltage of the mesuring battary is stored and is sent to display
Module 203 is shown；The key module is used to instruct to 202 input control of MCU module；The interface module 205 is used for
It is connect with terminal device, the voltage that the MCU module 202 handles obtained mesuring battary is sent by the interface module 205
To terminal device.
Referring to Fig. 3, further embodiment of this invention provides a kind of battery voltage detector 200, the cell voltage inspection
Surveying device 200 can also include alarm module 206, when MCU module 202 detects that the voltage of the mesuring battary is more than default electricity
Control instruction is sent to the alarm module 206 when pressing range, the alarm module 206 starts after receiving the control instruction
Alarm.Battery voltage detector appearance diagram as shown in Figure 1, optionally, alarm module 206 may include warning device
51 and indicator light 52, for example, the device that the warning device 51 can sound the alarm for buzzer or loudspeaker etc., instruction
Lamp 52 can be the light emitting components such as light emitting diode or LED, and indicator light can be monochromatic or double-colored.
Referring to Fig. 1, in one embodiment, warning device 51 is buzzer, and indicator light 52 is monochromatic LED, when MCU module is examined
When survey 202 arrives the voltage of the mesuring battary within a preset range, the indicator light control signal output output of MCU module 202
Indicator light controls signal 1, the indicator light control signal output of MCU module 202 and the control signal input electricity of indicator light 52
Connection, indicator light control signal 1 and drive 52 continuous illumination of indicator light, and prompting test battery is qualified product；When MCU module 202 is examined
When measuring cell voltage more than preset range, the indicator light control signal output output indicator of MCU module 202 controls signal
2, the alarm control signal output end of MCU module 202 exports alarm control signal 1, and the alarm control signal of MCU module 202 is defeated
Outlet is electrically connected with the control signal input of warning device 51, and indicator light controls signal 2 and indicator light 52 is driven to flash, alarm control
Signal 1 processed drives buzzer to issue the sound of " beep-beep-beep ", and prompting test battery is defective products.
In another embodiment, warning device 51 is buzzer, and indicator light 52 is dual-colored LED, when MCU module 202 detects
When to cell voltage within a preset range, the first indicator light control signal output output indicator of MCU module 202 controls letter
Number 1, the first indicator light control signal output of MCU module 202 is electrically connected with the green light control signal input of indicator light 52,
Green light in dual-colored LED is lit, such as can be lighted for flashing or persistently, and prompting test battery is qualified product；Work as MCU module
202 when detecting that cell voltage is more than preset range, and the second indicator light control signal output of MCU module 202 exports instruction
Lamp control signal 2, the alarm control signal output end output alarm control signal 1 of MCU module 202, the second of MCU module 202
Indicator light control signal output is electrically connected with the red light control signal input of indicator light, the controlling alarm letter of MCU module 202
Number output end is electrically connected with the control signal input of warning device 51, and indicator light controls signal 2 and drives red light in dual-colored LED
It being lit, such as can light for flashing or persistently, alarm control signal 1 drives the sound of buzzer sending " beep-beep-beep ",
Prompt test battery is defective products.
In one embodiment, the preset range is 2.220~2.280V.It should be understood that the preset range can root
It is adjusted according to practical application scene.
By the way that alarm module 206 is arranged, it can alarm when battery is defective products, whether be not necessarily to artificial judgment voltage value
Normally, bad battery can be found in real time and bad battery is handled in time.
Referring to Fig. 3, further embodiment of this invention provides a kind of battery voltage detector 200, the cell voltage inspection
Surveying device 200 further includes power module 207, is used to provide the described the working power of battery voltage detector 200.Optionally,
No. 5 dry cells of 3 section can be used or using the power supply such as Li-Ion rechargeable battery, can satisfy each mould of battery voltage detector 200
The daily need of work of block, and save space, be convenient for carrying, replace conveniently.
Referring to fig. 4, in one embodiment, the voltage sample module 201 may include voltage conditioning unit 2011 and mould
Number converting unit 2012.The voltage conditioning unit 2011 is for improving collected analog voltage signal, the mould
Number converting unit 2012 is used to the analog voltage signal after conditioning being converted to digital voltage signal.
Further, as shown in figure 5, the voltage conditioning unit 2011 includes the first signal input part Vin1, the second letter
Number input terminal Vin2, the first divider resistance R1, the second divider resistance R2, third divider resistance R3, feedback resistance R4 and operation are put
Big device U1；The anode of the first signal input part Vin1 connection mesuring battary, the second signal input terminal Vin2 connection to
Survey the cathode of battery.One end of the first divider resistance R1 is connect with the first signal input part Vin1, the first partial pressure electricity
The other end of resistance R1 is connect with the positive input terminal of the operational amplifier U1；One end of the second divider resistance R2 and the fortune
Calculate amplifier U1 positive input terminal connection, the other end be signally connected；One end of the third divider resistance R3 and the second letter
Number input terminal Vin2 connection, the other end of the third divider resistance R3 are connect with the negative input end of the operational amplifier U1；
One end of the feedback resistance R4 is connect with the negative input end of the operational amplifier U1, the other end and the operational amplifier U1
Output end connection.Input impedance can be improved in voltage conditioning unit, increases anti-interference ability, reduces the output resistance of signal source
It is anti-, guarantee the precision of analog-to-digital conversion.
Further, the AD conversion unit 2012 analog voltage signal that voltage conditioning unit 2011 is conditioned
Vout is converted to digital voltage signal and is transferred to MCU module 202, and the resolution ratio of the AD conversion unit 2012 is at least 12
Position, can meet accuracy requirement.Such as the ADC modulus turn of relatively type, successive approximation or biproduct parting etc. types in parallel can be selected
Parallel operation.
Analog voltage signal Vout is converted to output code by ADC analog-digital converter, and then MCU module 202 is according to output
Output code is converted to voltage value by following formula by code, and is transmitted to display module 203 and is shown:
VIN(V)=OutputCode × LSBSize
Wherein, VINIt (V) is input voltage, OutputCode is output code, and LSBSize is that minimum in ADC code has
Imitate position, VREFIt is the reference voltage of ADC, FSR is the full scale input range of the ADC proportional to reference voltage, and m is benchmark electricity
Proportionality coefficient is pressed, N is the digit in ADC output code, and Gain is the internal gain of ADC.
As depicted in figs. 1 and 2, in one embodiment, display module 203 is shown using charactron, display module 203
Display charactron group 11 is encoded including battery and voltage shows charactron group 12, and wherein battery coding display charactron group 11 is used for
Show that the coding of mesuring battary, voltage show that charactron group 12 is used to show the voltage of the mesuring battary.Meanwhile display module
203 are provided with digital-scroll technique signal input part, the cell voltage for showing battery number for controlling display module 203 and measuring
Value, digital-scroll technique signal input part are electrically connected with the display signal output end of MCU module 202.Optionally, battery coding display number
Code pipe group 11 is three, and voltage shows that charactron group 12 is four, can meet daily testing requirement.Optionally, voltage shows number
The voltage value unit of 12 display of code pipe group is millivolt (mV).It should be noted that according to actual needs, the battery coding display
Charactron group 11 and voltage show that other digits also can be selected in charactron group 12, and the voltage shows the electricity that charactron group 12 is shown
Volt (V) etc. also can be selected in pressure value unit, and the present invention is without limitation.
As depicted in figs. 1 and 2, in one embodiment, key module 204 include above look into key 31, under look into key 32 and determination key
33, it is instructed for input control, MCU module executes the corresponding movement of the control instruction according to the control instruction.For example, pressing
Key 31 is looked on lower, display that the battery coding in battery coding display charactron group 11 subtracts 1, as the battery encodes corresponding electricity to be measured
Detection is completed in pond, then voltage shows that charactron group 12 is in the lock state, and stablizes and shows that the battery encodes corresponding electricity to be measured
The voltage value in pond is not detected as the battery encodes corresponding mesuring battary, then enters test mode, and voltage shows charactron
The voltage value of 12 display of group is in active state；It presses down and looks into key 32, the battery coding in battery coding display charactron group 11
Add 1 display, detection is completed as the battery encodes corresponding mesuring battary, then voltage shows that charactron group 12 is in locking shape
State stablizes the voltage value for showing that the battery encodes corresponding mesuring battary, does not carry out as the battery encodes corresponding mesuring battary
Detection, then enter test mode, and the voltage value that voltage shows that charactron group 12 is shown is in active state；The cell voltage inspection
When survey device is in test mode, after the voltage value that the voltage shows that charactron group 12 is shown tends towards stability, determination is pressed
Key 33, MCU module 202 are locked and are stored to the current voltage value shown in voltage display charactron group 12, at this time
The battery coding and voltage value shown on display module 203 is in lock state, stablizes display；When mesuring battary all detects
After the completion, the battery voltage detector and the terminal device are connected, at the same press look into key 31 and under look into key 32, MCU
The voltage data Data1 of each mesuring battary measured is transferred to terminal device by module 202.
Referring to Fig. 1, two voltage input ends, first voltage input terminal 21 and second is arranged in battery voltage detector 200
Voltage input end 22.When being detected to mesuring battary, by attachment device respectively by first voltage input terminal 21 and electricity to be measured
The connection of pond anode, second voltage input terminal 22 is connected with mesuring battary cathode.For example, magnetic-type test pencil can be selected, plug in folder
Formula test pencil, finger pin formula test pencil etc. connect mesuring battary and battery voltage detection equipment.
As depicted in figs. 1 and 2, in one embodiment, the communication interface 41 of the interface module 205 is serial using RS232
Communication interface.Since 200 data volume of battery voltage detector is less, to transmission speed without too high requirement, there is event
It is communicated using RS232 serial communication interface with terminal device, transmission line is few, and wiring is simple, is easy to use.Optionally, it connects
The communication interfaces such as RS485, RS422, USB, CAN, Ethernet, bluetooth, WiFi can also be used in mouth mold block 205.
Embodiment two:
Referring to Fig. 6, one embodiment of the invention provides a kind of battery voltage detection system, including battery voltage detector
200 and terminal device 300；The battery voltage detector 200 is connect with mesuring battary 100, and acquisition mesuring battary 100 is just
Cathode voltage Vin1 and Vin2, battery voltage detector 200 are handled and are stored to collected voltage, then will be measured
The voltage Data1 of each mesuring battary be transferred to terminal device 300, terminal device 300 is to each mesuring battary measured
Voltage Data1 is handled and is generated electronic data sheet.
For example, the terminal device 300 can be desktop PC, notebook, palm PC and cloud server etc.
Calculate equipment, data processor be installed on terminal device 300, for the voltage Data1 to each mesuring battary measured into
Row handles and generates electronic data sheet, and user is facilitated to check and transmit.
In view of the requirement of user's intranet security, terminal device 300 and Intranet machine are unable to straight-forward network interconnection, therefore use movement
It stores equipment and electronic data sheet is imported into Intranet machine, movable storage device can be USB flash disk, mobile hard disk and floppy disk etc..
Embodiment three:
Referring to Fig. 7, one embodiment of the invention provides a kind of battery voltage detection method, comprising the following steps:
Battery voltage detector is connect by S701 with mesuring battary；
S702 observes the voltage value on the display module, when the voltage value is stablized, presses acknowledgement key, shows mould
Current voltage value on block is the voltage of mesuring battary, and the MCU module stores the voltage of the mesuring battary；
Optionally, the voltage of mesuring battary is compared by the MCU module with predetermined voltage range, when the MCU mould
Block, which detects, sends control instruction, the report to the alarm module when voltage of the mesuring battary is more than predetermined voltage range
Alert module starts sound-light alarm after receiving the control instruction；
For example, then prompting mesuring battary is defective products when monochromatic indicator light flashing and buzzer sending alarm；Monochrome refers to
Show lamp continuous illumination and buzzer not sounding when, then prompt mesuring battary be qualified product；Or, bi-colour LED red light is lighted and bee
When the device that rings issues alarm, then prompting mesuring battary is defective products；Bi-colour LED green light is lighted and buzzer not sounding, then mentions
Show that mesuring battary is qualified product；
S703 judges that whether all battery complete by test, thens follow the steps S605 if being completed, if not completing, executes
Step S604；
S704 is pressed down and is looked into key, repeats step S601 to step S602, carries out the detection of next piece of mesuring battary；
Communication interface on battery voltage detector is connect by S705 with terminal device, the battery voltage detection dress
The voltage transmission for each mesuring battary that will test is set to the terminal device；
Battery voltage detector can be connect by data line with terminal device；For example, RS232, RS485 etc.；One
It in a embodiment, while pressing down and looking into key and above look into key, MCU module receives the control instruction that key module issues, starts institute
The voltage transmission for each mesuring battary that battery voltage detector will test is stated to the terminal device.
S706, the terminal device handle the voltage of each mesuring battary, generate electronic data sheet；
Computer program is installed on the terminal device, is handled for the voltage to each mesuring battary, is generated
Electronic data sheet shows the information such as the coding, voltage value and battery status of each mesuring battary respectively.When mesuring battary voltage exists
When in predetermined voltage range, display state is " qualification ", and when mesuring battary voltage is outside predetermined voltage range, display state is
" unqualified ".
In one embodiment, the battery voltage detection method further includes that the battery voltage detector will test
After the voltage transmission of each mesuring battary arrived gives the terminal device, the control instruction for receiving the terminal device transmission will
The information for each mesuring battary of MCU module storage measured is reset, and the battery coding that display module is shown restarts to count,
Into the measurement of next group of battery.
Mesuring battary is detected using the battery voltage detection method, improves detection efficiency and accuracy, it can
Realize the detection rapidly and efficiently to mesuring battary.Meanwhile the defective products in battery can be found in real time, defective products is carried out in time
Processing reduces working procedure, improves work efficiency.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of battery voltage detector characterized by comprising voltage sample module, MCU module, display module, key
Module and interface module；The MCU module is electrically connected with voltage sample module, display module, key module and interface module respectively
It connects；
The voltage sample module carries out collected analog voltage signal for being acquired to the voltage of mesuring battary
Digital voltage signal is converted to after conditioning to export to MCU module；
The MCU module is used to be handled the digital voltage signal to obtain the voltage of mesuring battary, and will be described to be measured
The voltage of battery is stored and is sent to the display module and shown；
The key module is used to instruct to MCU module input control；
For the interface module for connecting with terminal device, the voltage for the mesuring battary that the MCU module is handled passes through institute
It states interface module and is sent to terminal device.
2. battery voltage detector as described in claim 1, which is characterized in that further include:
Alarm module is electrically connected with the MCU module；When the MCU module detects that the voltage of the mesuring battary is more than pre-
If sending control instruction to the alarm module when voltage range, the alarm module starts report after receiving the control instruction
It is alert.
3. battery voltage detector as described in claim 1, which is characterized in that further include:
Power module is used to provide the described the working power of battery voltage detector.
4. battery voltage detector as described in claim 1, which is characterized in that the voltage sample module includes:
Voltage conditioning unit, for improving collected analog voltage signal；And
AD conversion unit, for the analog voltage signal after conditioning to be converted to digital voltage signal.
5. battery voltage detector as claimed in claim 4, which is characterized in that the voltage conditioning unit includes: first
Signal input part, second signal input terminal, the first divider resistance, the second divider resistance, third divider resistance, feedback resistance and fortune
Calculate amplifier；
The anode of first signal input part and mesuring battary connects, the cathode of the second signal input terminal and mesuring battary
Connection；
One end of first divider resistance is connect with the first signal input part, the other end of first divider resistance with it is described
The positive input terminal of operational amplifier connects；
One end of second divider resistance is connect with the positive input terminal of the operational amplifier, the other end be signally connected；
One end of the third divider resistance is connect with second signal input terminal, the other end of the third divider resistance with it is described
The negative input end of operational amplifier connects；
One end of the feedback resistance is connect with the negative input end of the operational amplifier, the other end and the operational amplifier
Output end connection.
6. battery voltage detector as claimed in claim 4, which is characterized in that the resolution ratio of the AD conversion unit is extremely
It is less 12.
7. battery voltage detector as described in claim 1, which is characterized in that the display module includes:
Battery coding display charactron group, for showing the coding of the mesuring battary；And
Voltage shows charactron group, for showing the voltage of the mesuring battary.
8. battery voltage detector as described in any one of claim 1 to 7, which is characterized in that the key module includes
On look into key, under look into key and determination key, for input control instruct.
9. a kind of battery voltage detection system characterized by comprising terminal device and as described in any one of claim 1 to 8
Battery voltage detector；
The terminal device generates electronic data sheet for handling the voltage of the mesuring battary.
10. a kind of battery voltage detection method, which comprises the following steps:
Battery voltage detector is connect by step A with mesuring battary；
Step B observes the voltage value on the display module, when the voltage value is stablized, acknowledgement key is pressed, on display module
Current voltage value be mesuring battary voltage, the MCU module stores the voltage of the mesuring battary；
Step C judges that whether all battery complete by test, thens follow the steps E if being completed, if not completing, thens follow the steps D；
Step D, presses down and looks into key, repeats step A to step B, carries out the detection of next piece of mesuring battary；
Communication interface on battery voltage detector is connect by step E with terminal device, and the battery voltage detector will
The voltage transmission of obtained each mesuring battary is detected to the terminal device；
Step F, the terminal device handle the voltage of each mesuring battary, generate electronic data sheet.
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| CN201910672336.5A CN110297190A (en) | 2019-07-24 | 2019-07-24 | Battery voltage detector, system and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148327A (en) * | 2019-12-31 | 2020-05-12 | 广州皓醒湾科技有限公司 | Charging indicator lamp control device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204886310U (en) * | 2015-08-25 | 2015-12-16 | 深圳市华天通科技有限公司 | Lithium battery management system based on ARM |
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2019
- 2019-07-24 CN CN201910672336.5A patent/CN110297190A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148327A (en) * | 2019-12-31 | 2020-05-12 | 广州皓醒湾科技有限公司 | Charging indicator lamp control device and method |
| CN111148327B (en) * | 2019-12-31 | 2022-08-02 | 广州星际悦动股份有限公司 | Charging indicator lamp control device and method |
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