CN108931698A - It is a kind of to judge charger and the whether matched method of vehicle battery - Google Patents
It is a kind of to judge charger and the whether matched method of vehicle battery Download PDFInfo
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- CN108931698A CN108931698A CN201810353140.5A CN201810353140A CN108931698A CN 108931698 A CN108931698 A CN 108931698A CN 201810353140 A CN201810353140 A CN 201810353140A CN 108931698 A CN108931698 A CN 108931698A
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- Prior art keywords
- charger
- current
- voltage
- vehicle battery
- charging
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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
Abstract
It is a kind of to judge charger and the whether matched method of vehicle battery.Wireless record system of the present invention solves that wired former Hall test instrument connection is complicated, there are security risks, the problem that measuring accuracy is not high and test scope is small, requirement suitable for market to terrain vehicle charger detection technique, testing result energy accurate judgement is whether the charger that terrain vehicle is recommended matches, to reduce battery return of goods rate；To terrain vehicle precharge, the first constant-current charge, the second constant-current charge, modified constant-voltage charge, trickle pressure limiting charging, the floating charge stage, six phase datas was read out, and had expanded analytical database, so that analysis result accuracy is higher, so that be accurately judged to is data deviation occur in which in stage；Original wired former Hall recorder record charger voltage acquisition range is read by the acquisition of original 8 monomer voltages and increases unrestricted acquisition, voltage module box（N block）With the one-to-one connection of battery, voltage module can carry out any charger model charging voltage data and read with requiring to add.
Description
Technical field
The present invention relates to charger detection fields, in particular to a kind of to judge whether charger is matched with vehicle battery
Method.
Background technique
The matching of existing market terrain vehicle lead acid batteries charger is recommended to be widely used in experiment detection project, current to examine
It surveys usually using wired Hall test instrument.Wired Hall test instrument is by dedicated temperature sensor interface and induction type current voltage
Sensor interface (one connect charger input line, one connect battery output cord, two interface one-in-and-one-outs) constitute, by man-machine
Interface is operated, and by microcontroller storing data, transmits detection data by USB communication interface.This charger detection note
It is complicated to record instrument connection, there are some potential safety problems, carries out current detecting using hall sensor signal, current deviation compared with
Greatly, applicable technology range is narrow, and detection efficiency is lower, is unable to satisfy currently to market terrain vehicle charger technologies requirement, cannot
It is accurate to recommend the matched charger of terrain vehicle battery institute, the problem for causing charger return of goods rate high.
Summary of the invention
It is an object of the invention to solve, wired former Hall test instrument connection is complicated, there are security risk, test essences
It is small to spend not high and test scope, is unable to satisfy the problem of laboratory is to terrain vehicle charger testing requirements, provides a kind of judgement
Charger and the whether matched method of vehicle battery.
The technical solution adopted by the present invention to solve the technical problems is a kind of wireless record system, including mobile terminal 6,
Current divider 3, current module box 4 and several voltage module boxes 5；The anode of charger 1 is connect with 2 anode of vehicle battery, is filled
The cathode of electric appliance 1 is connect with 3 first king-bolt of current divider, 2 cathode of vehicle battery with current divider 3 is second largest is bolted, institute
State voltage module box 5 and the one-to-one connection of vehicle battery 2；The current module box 4 is connect with 3 stove bolt of current divider；It is described
Voltage module box 5 and current module box 4 with 6 communication connection of mobile terminal.
Preferably, the voltage module box includes voltage collection circuit, the first microcontroller and the first communication apparatus,
The voltage collection circuit, the first microcontroller and the first communication apparatus are sequentially connected, the first communication apparatus and mobile terminal 6
It is wirelessly connected.
Preferably, the current module box includes current collection circuit, the second microcontroller and the second communication apparatus,
The current collection circuit, the second microcontroller and the second communication apparatus are sequentially connected, the second communication apparatus and mobile terminal 6
It is wirelessly connected.
Preferably, by vehicle battery charging process be divided into precharge, the first constant-current charge, the second constant-current charge,
Modified constant-voltage charge, six stages of trickle pressure limiting charging and floating charge, set the charging time in each stage, using claim
A kind of wireless record system described in 1 or 2 or 3 reads the charging current and charging voltage of each stage charger；Including：
Step S1：By vehicle battery it is fully charged after, a certain standard value is reached with a constant-current discharge to monomer voltage；
Step S2：Monitoring temperature is adjusted to the first temperature range, is judged under the first temperature range, the vehicle battery
Within each stage, whether the variation of charging current and charging voltage meets charging process curve requirement, if satisfied, carrying out down
One step, if not satisfied, then determining that charger and the vehicle battery mismatch, test stops；
Step S3：Monitoring temperature is adjusted to second temperature range, is judged under second temperature range, the vehicle battery
Within each stage, whether the variation of charging current and charging voltage meets charging process curve requirement, if satisfied, carrying out down
One step, if not satisfied, then determining that charger and the vehicle battery mismatch, test stops；
Step S4：Monitoring temperature is adjusted to third temperature range, is judged under third temperature range, the vehicle battery
Within each stage, whether the variation of charging current and charging voltage meets charging process curve requirement, if satisfied, then determining
Charger matches with the vehicle battery, and test terminates；If not satisfied, then not determining charger and the vehicle battery not
Match, test stops.
Preferably, carry out matching judgment before, first to the wireless record system read charger charging current into
The correction of row deviation, the setting value of charger charging current and the expression formula of measured value are y=Kx+b, and y is setting value, and x is actual measurement
Value, k is yield value, and b is offset, by the several groups data measured, be calculated k1, k2 ..., km and b1,
B2 ..., bm, k0=(k1+k2+......+km)/m, b0=(b1+b2+......+bm)/m are enabled, when k0 value and b0 value are inclined
When error range from setting, second microcontroller is by adjusting the parameter of the current collection circuit, it is ensured that k0 value and
B0 value is maintained in the error range of setting, improves the accuracy of monitoring data.
Substantial effect of the invention：(1) wireless record system of the present invention solves wired former Hall test instrument route and connects
Connect complexity, there are security risk, the problem that measuring accuracy is not high and test scope is small is suitable for market and examines to terrain vehicle charger
The requirement of survey technology, testing result energy accurate judgement are whether the charger that terrain vehicle is recommended matches, to reduce the battery return of goods
Rate；(2) by original wired former Hall recorder to road vehicle charger constant current, constant pressure, the expansion of floating charge three phases reading data
Exhibition to terrain vehicle precharge, the first constant-current charge, the second constant-current charge, modified constant-voltage charge, trickle pressure limiting is charged, the floating charge stage
Six phase datas are read, and have expanded analytical database, so that analysis result accuracy is higher, so which rank is accurately judged to is
There is data deviation in section；(3) original wired former Hall recorder is recorded into charger voltage acquisition range by original 8 monomers
Voltage acquisition reading increases unrestricted acquisition, voltage module box (n block) and the one-to-one connection of battery, and voltage module can be with
It is required that addition, can carry out any charger model charging voltage data and read (such as 48V, 60V, 72V, 96V, 120V----)；And
The current deviation of original wired former Hall recorder record different model terrain vehicle charger is used by original ± 0.5A and is accurate to
±0.05A。
Detailed description of the invention
Fig. 1 is a kind of wireless record system wiring schematic diagram of the invention；
Fig. 2 is 6 stage of terrain vehicle charger charging process canonical plotting of the present invention；
Fig. 3 is 6 stage of terrain vehicle 72V15A charger charge graph of the present invention.
In figure：1, charger, 2, vehicle battery, 3, current divider, 4, current module box, 5, voltage module box, 6, movement
Terminal.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.
A kind of wireless record system, as shown in Figure 1, including mobile terminal 6, current divider 3, current module box 4 and several
Voltage module box 5；The anode of charger 1 is connect with 2 anode of vehicle battery, the cathode and the big spiral shell of current divider 3 first of charger 1
Tether and connect, 2 cathode of vehicle battery with current divider 3 is second largest is bolted, the voltage module box 5 and vehicle battery 2 one
It is connected to one；The current module box 4 is connect with 3 stove bolt of current divider；The voltage module box 5 and current module box 4 with
6 communication connection of mobile terminal.Voltage module box includes voltage collection circuit, the first microcontroller and the first communication apparatus, institute
It states voltage collection circuit, the first microcontroller and the first communication apparatus to be sequentially connected, the first communication apparatus and 6 nothing of mobile terminal
Line connection.Current module box includes current collection circuit, the second microcontroller and the second communication apparatus, the current acquisition electricity
Road, the second microcontroller and the second communication apparatus are sequentially connected, and the second communication apparatus and mobile terminal 6 are wirelessly connected.To
Wirelessly, the monitoring sampling for carrying out data, solves that original line Hall test instrument connection is complicated, it is hidden to there is safety
The problem of suffering from.
It is a kind of to judge charger and the whether matched method of vehicle battery, vehicle battery charging process is divided into pre-
Charging, the first constant-current charge, the second constant-current charge, modified constant-voltage charge, six stages of trickle pressure limiting charging and floating charge, refinement
Monitoring process improves the precision of monitoring, sets the charging time in each stage, as shown in table 1：
Table 1 reads 6 charging time in stage of charger requirement table
For the accuracy for guaranteeing monitoring data, before carrying out matching judgment, need first to fill the wireless record system reading
The charging current of electric appliance carries out deviation correction.The setting value of charger charging current and the expression formula of measured value are y=Kx+b, y
For setting value, producer is provided when for factory, and x is measured value, and k is yield value, and b is offset, by the several groups data measured,
Be calculated k1, k2 ..., km and b1, b2 ..., bm, enable k0=(k1+k2+......+km)/m, b0=(b1+b2
+......+bm)/m.When setting value and actual value is equal or current precision is within the scope of equipment, it is believed that k=1, b=0 work as k0
When value and b0 value deviate the error range of setting, second microcontroller passes through the parameter for adjusting the current collection circuit,
It is such as directed to metal-oxide-semiconductor circuit, ARM chip controls signal to operational amplifier can be used, and then control the folding condition of metal-oxide-semiconductor, control
The output size of electric current processed, it is ensured that k0 value and b0 value are maintained in the error range (being accurate to ± 0.05A) of setting, reach control
The purpose of electric current and current precision improves the accuracy of monitoring data.Correction is to correct current divider deviation factor, school with standard source
Just the coefficient is fixed value afterwards.
Matching judgment process is as follows：
Step S1：By terrain vehicle battery it is fully charged after, with 1/3 rated capacity current discharge to monomer voltage reach
1.75V；
The variation of charging process voltage is required for terrain vehicle charger, under different temperatures environment it is different, such as table 2-4
It is shown；
Step S2：Monitoring temperature is adjusted to 25 DEG C ± 2 DEG C of normal temperature state, is judged under normal temperature state, the different model
Vehicle battery is within each stage, and whether the variation of charging current and charging voltage meets charging process curve requirement, such as
Shown in Fig. 2, table 5 lists different model terrain vehicle 6 stage of charger charging process curent change technical requirements, for different shaped
Number terrain vehicle charger, the curent change in Fig. 2 is referring to shown in table 5.If satisfied, carrying out in next step, if not satisfied, then determining
Charger and the battery mismatch, and test stops；Step S3：Monitoring temperature is adjusted ± 2 DEG C of -20 DEG C of low-temperature condition, according to
Table 3 compensates the charging process curve (Fig. 2) under low temperature, judges under low-temperature condition, the different model vehicle battery
Within each stage, whether the variation of charging current and charging voltage meets the charging process curve requirement after low temp compensating,
If satisfied, carrying out in next step, if not satisfied, then sentencing
Determine charger and the vehicle battery mismatches, test stops；
Step S4：Monitoring temperature is adjusted to 45 DEG C ± 2 DEG C of the condition of high temperature, it is bent to the charging process under high temperature according to table 4
Line (Fig. 2) compensates, and judges under the condition of high temperature, the different model vehicle battery within each stage, charging current with
And whether the variation of charging voltage meets the charging process curve requirement after high temperature compensation, if satisfied, then determining charger and being somebody's turn to do
Vehicle battery matches, and test terminates；If not satisfied, then determining that charger and the vehicle battery mismatch, test stops.
Fig. 3 gives 6 stage of 72V15A charger charging process monitoring curve figure, and comparison diagram 2 is as it can be seen that voltage and current
Variation tendency is consistent with Fig. 2, illustrates that the charger matches with the vehicle battery being connect.2 different model terrain vehicle of table
Technical requirements table of 6 stage of the charger charging process voltage under normal temperature environment
The technical requirements table of 3 different model terrain vehicle 6 stage of charger of table charging process voltage at low ambient temperatures
4 different model terrain vehicle 6 stage of charger of table charging process voltage technical requirements table in a high temperauture environment
Embodiment described above is a kind of preferable scheme of the invention, not makees limit in any form to the present invention
System, there are also other variants and remodeling on the premise of not exceeding the technical scheme recorded in the claims.
Claims (5)
1. a kind of wireless record system, which is characterized in that including mobile terminal (6), current divider (3), current module box (4) and
Several voltage module boxes (5)；
The anode of charger (1) is connect with vehicle battery (2) anode, the cathode and the big spiral shell of current divider (3) first of charger (1)
Tether and connect, vehicle battery (2) cathode with current divider (3) is second largest is bolted, the voltage module box (5) and vehicle electric power storage
Pond (2) one-to-one connection；The current module box (4) connect with current divider (3) stove bolt；The voltage module box (5) and electricity
Flow module box (4) with mobile terminal (6) communication connection.
2. a kind of wireless record system according to claim 1, which is characterized in that the voltage module box includes that voltage is adopted
Collector, the first microcontroller and the first communication apparatus, the voltage collection circuit, the first microcontroller and the first communication
Equipment is sequentially connected, and the first communication apparatus and mobile terminal (6) are wirelessly connected.
3. a kind of wireless record system according to claim 1, which is characterized in that the current module box includes that electric current is adopted
Collector, the second microcontroller and the second communication apparatus, the current collection circuit, the second microcontroller and the second communication
Equipment is sequentially connected, and the second communication apparatus and mobile terminal (6) are wirelessly connected.
4. a kind of judge charger and the whether matched method of vehicle battery, which is characterized in that vehicle battery charged
Journey is divided into precharge, the first constant-current charge, the second constant-current charge, modified constant-voltage charge, trickle pressure limiting charging and floating charge six
A stage sets the charging time in each stage, is read using a kind of wireless record system described in claims 1 or 2 or 3 every
The charging current and charging voltage of a stage charger；Including：
Step S1：By vehicle battery it is fully charged after, a certain standard value is reached with a constant-current discharge to monomer voltage；
Step S2：Monitoring temperature is adjusted to the first temperature range, is judged under the first temperature range, the vehicle battery is every
In a stage, whether the variation of charging current and charging voltage meets charging process curve requirement, if satisfied, carrying out next
Step, if not satisfied, then determining that charger and the vehicle battery mismatch, test stops；
Step S3：Monitoring temperature is adjusted to second temperature range, is judged under second temperature range, the vehicle battery is every
In a stage, whether the variation of charging current and charging voltage meets charging process curve requirement, if satisfied, carrying out next
Step, if not satisfied, then determining that charger and the vehicle battery mismatch, test stops；
Step S4：Monitoring temperature is adjusted to third temperature range, is judged under third temperature range, the vehicle battery is every
In a stage, whether the variation of charging current and charging voltage meets charging process curve requirement, if satisfied, then determining to charge
Device matches with the vehicle battery, and test terminates；If not satisfied, then determining that charger and the vehicle battery mismatch, survey
Examination stops.
5. a kind of method with wireless record instrument detection charger according to claim 4, which is characterized in that matched
Before judgement, the charging current of the charger first read to the wireless record system carries out deviation correction, charger charging current
Setting value and measured value expression formula be y=Kx+b, y is setting value, and x is measured value, and k is yield value, and b is offset, lead to
Cross the several groups data measured, be calculated k1, k2 ..., km and b1, b2 ..., bm, enable k0=(k1+k2
+ ...+km)/m, b0=(b1+b2+......+bm)/m, when k0 value and b0 value deviate the error range of setting, described the
Two microcontrollers are by adjusting the parameter of the current collection circuit, it is ensured that k0 value and b0 value are maintained at the error range of setting
It is interior, improve the accuracy of monitoring data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353140.5A CN108931698A (en) | 2018-04-18 | 2018-04-18 | It is a kind of to judge charger and the whether matched method of vehicle battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810353140.5A CN108931698A (en) | 2018-04-18 | 2018-04-18 | It is a kind of to judge charger and the whether matched method of vehicle battery |
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