CN207181660U - A kind of battery charge monitor testboard - Google Patents
A kind of battery charge monitor testboard Download PDFInfo
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- CN207181660U CN207181660U CN201721165117.0U CN201721165117U CN207181660U CN 207181660 U CN207181660 U CN 207181660U CN 201721165117 U CN201721165117 U CN 201721165117U CN 207181660 U CN207181660 U CN 207181660U
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Abstract
The utility model discloses a kind of battery charge monitor testboard, including cabinet, the input interface of connection 220V AC voltage and the output interface of connection battery charge monitor are provided with the cabinet, Switching Power Supply is set in cabinet, the input of the Switching Power Supply is connected with the input interface, the output end of Switching Power Supply connects the output interface, the output end of Switching Power Supply is also associated with triangle wave generating circuit and voltage regulator circuit, the input interface is also associated with transformer T1, the output end of the voltage device T1 is connected with linear power supply regulation circuit, the triangle wave generating circuit, the output end of voltage regulator circuit and linear power supply regulation circuit is connected with the output interface.By operating the switch of the control signal on cabinet, power supply switching push button and voltage-regulation button, make output voltage and signal to measured piece, the performance test of battery charge monitor, convenient test can be effectively completed, there is provided test required whole signals and power input.
Description
Technical field
Measuring instrument technical field is the utility model is related to, is a kind of battery charge monitor testboard specifically.
Background technology
Battery charge monitor is to include electric current, voltage, temperature etc. for detecting state of the battery in charging process.Such as
Fruit battery charge monitor then have impact on the accuracy of detection data, therefore fill using battery there occurs failure or damage
, it is necessary to test the working condition of battery charge monitor before electric monitor carries out charging detection to battery.It is and existing
In technology, measured generally according to experience or using simple universal meter, it is impossible to accurate and complete testing battery charging
Monitor it is whether intact, lack the test signal and test voltage of necessary testing battery charging monitor, i.e., without one kind
The testboard of whole test signals and test voltage required for battery charge monitor can be provided, therefore give detection process band
It is inconvenient to come.
Utility model content
The purpose of this utility model is to provide a kind of battery charge monitor testboard, for solving to exist in the prior art
Testing battery charging monitor can not provide the problem of required test signal and test voltage when whether intact.
In order to achieve the above object, the utility model is achieved through the following technical solutions：
A kind of battery charge monitor testboard, including cabinet, front panel, the preposition face are provided with the cabinet
The input interface for connecting 220V AC voltage and the output interface for connecting battery charge monitor are provided with plate, also
Including the Switching Power Supply being used for by 220V AC conversions into 28V direct currents being connected with the input interface, the switch electricity
The input in source is connected with the input interface, and the output end of the Switching Power Supply connects the output interface, Switching Power Supply
Output end is also associated with triangle wave generating circuit and voltage regulator circuit, and the input interface is also associated with transformer T1, described
Voltage device T1 output end is connected with linear power supply regulation circuit, the triangle wave generating circuit, voltage regulator circuit and linear
The output end of power source regulating circuit is connected with the output interface.
Operation principle：
Battery charge monitor testboard, is exclusively used in testing battery charging monitor, including cabinet, cabinet it is preposition
The 220VAC for connecting 220VAC power supplys is connected between input interface and the circuit board on panel to switch, and uses power line
220VAC power supplys are connected by cable with input interface, and 220VAC is switched and closed, and the Switching Power Supply on circuit board changes 220VAC
Exported into 28VDC as fixed output voltage to output interface and connect triangle wave generating circuit and voltage regulator circuit as work
Make voltage, the output end of triangle wave generating circuit connects output interface, the triangular wave of test is provided for measured piece, triangular wave
Assignment and slope can adjust, and can also export sawtooth waveforms.Input interface is connected with transformer T1, and voltage is reduced to by transformer T1
Alternating current.Low-voltage AC is after linear power supply adjusts circuit rectifies, filtering voltage regulation, the adjustable direct current of output amplitude
Pressure.Linear power supply regulation circuit output end connection output interface, adjustable DC voltage is provided for measured piece.Battery charging prison
Visual organ testboard provides fixed voltage, adjustable voltage and triangular wave, testing battery charging monitor for battery charge monitor
When, it is only necessary to corresponding interface is connected with testing battery charging monitor.
Further, the DC terminal output 28V DC voltages of the Switching Power Supply, exchange end connects the transformer T1's
High pressure lateral coil and by double-pole single throw S14 connection 220VAC power outlets, the high pressure lateral coil of the transformer T1
Both ends are parallel with LED, and the both ends of low-voltage side coil are connected with the input of linear power supply regulation circuit.
Operation principle：
The high-pressure side that 220VAC power outlets pass through double-pole single throw S14 and the input of Switching Power Supply and transformer T1
Coil connects, and Switching Power Supply uses 220AC-28VDC modules, alternating voltage is converted into 28V DC voltages, can directly be exported
To output interface, can also testboard other electronic components operating voltage input.Transformer T1 changes High Level AC Voltage
For input linear power source regulating circuit after low-voltage AC.
Further, the linear power supply regulation is whole including being connected with the both ends of the low-voltage side coil of the transformer T1
Flow bridge circuit and the rectifier circuit connection filter circuit and three terminal regulator, the output end of the three terminal regulator and
Adjustment end separately has the first connector, and the linear power supply regulation circuit has two, respectively first via linear power supply
Circuit and the second linear power source regulating circuit are adjusted, 18 pin of first connector are connected to the hilted broadsword pair of power supply switching
Throw switch S12, single-pole double-throw switch (SPDT) S12 first group of stationary contact pass through 19 pin of resistance R20 the first connectors of connection, hilted broadsword pair
Throw switch S12 second group of stationary contact passes through 19 pin of potentiometer RP8 the first connectors of connection, 16 pin of first connector
The single-pole double-throw switch (SPDT) S13 of power supply switching is connected to, single-pole double-throw switch (SPDT) S13 first group of stationary contact is connected by resistance R19
19 pin of the first connector are connect, single-pole double-throw switch (SPDT) S13 second group of stationary contact passes through potentiometer RP9 the first connectors of connection
19 pin, it is connected with reversing switch S8 between 8 pin and 24 pin of the first connector and connects potentiometer RP5 both ends, potentiometer RP5
Slide connect 9 pin, first connector is also associated with being used to switch outside triangular-wave generator and inner triangular ripple hair
The double-point double-throw switch S11 of the raw device and potentiometer RP6 for adjusting inner triangular wave producer output waveform slope.
Operation principle：
Linear power supply adjusts circuit and the low-voltage AC that voltage device T1 low-voltage side coil inputs is passed through into diode rectification
Bridge rectification, inputs three terminal regulator after AC capacitor filtering, and three terminal regulator is using linear, and output voltage is adjustable, linear electricity
Source regulation circuit is identical two-way, respectively as two-way control source, therefore the regulation that two-way voltage output can be independent.Three
The adjustment end of end voltage-stablizer connects the pin of the first connector 18 and 16 pin respectively, and the two pins are respectively by fixed resistance and variable
Resistance exports fixed voltage and adjustable voltage.Single-pole double-throw switch (SPDT) S12 and single-pole double-throw switch (SPDT) S13 correspond to front panel respectively
On the switching of DC1 power supplys and the switching of DC2 power supplys, potentiometer RP8 and potentiometer RP9 correspond to the DC1 power supplys in front panel respectively
Regulation and the regulation of DC2 power supplys.When double-point double-throw switch S11 is closed, inner triangular wave producer is connected, and can be by adjusting electricity
The slope of position device RP6 adjusting triangle ripples, can be adjusted to sawtooth waveforms by triangular wave；During disconnection, double-point double-throw switch S11 pin
The outside triangular-wave generator of connection.Double-point double-throw switch S11 is the Signal-controlled switch in front panel, controls outside triangular wave
The switching of generator and inner triangular wave producer.
Further, the three terminal regulator uses chip LM317HV.
Operation principle：
LM317HV output voltage ranges are 1.25V-57V, therefore meet testboard voltage regulation limits.
Further, the output interface includes being used for connecting the second connector of battery charge monitor, and described second
Connector is connected with the voltmeter PV1, described linear for detecting for detecting linear power supply regulation circuit output voltage
The ammeter PA1 of power source regulating circuit output current, is connected between second connector and the output end of the Switching Power Supply
There are the switch S4 and switch S5 for controlling DC voltage to input, switch S2, switch S6 and switch S7 for fault control, use
In the switch S9 for controlling the first via linear power supply regulation circuit and the second linear power source regulating circuit control source and open
S10 is closed, for being grounded the double-point double-throw switch S1 and output indication circuit for lamp of control, the double-point double-throw switch S1 passes through relay
The output end of the device K1 connections Switching Power Supply.
Operation principle：
Connecting interface of second connector as testboard and measured piece, be connected with the second connector voltmeter PV1 and
Ammeter PA1, for measuring the output voltage and electric current of testboard, switch S4 and switch S5 are used to control the Switching Power Supply defeated
The 28VDC gone out inputs the second connector, and switch S2 is used to use two pin short circuits of the second connector, switch S6 and switch S7
In by voltmeter PV1 short circuits, switch S9 and switch S10 be used for the linear power source regulating circuit of the two-way output end voltage it is defeated
Enter control.Double-point double-throw switch S1, which is used to control, to be grounded, and has output indicator DS4 to show that current voltage input is effective.Circuit
In component and front panel on button corresponding relation be：Switch S9 is DC1 power switches, and switch S10 is that DC2 power supplys are opened
Close, double-point double-throw switch S1, switch S2, switch S4- switches S7 are Signal-controlled switch.Ammeter PA1, voltmeter PA1 distinguish
Current monitoring table, voltage monitoring table in corresponding front panel.Output indicator in front panel corresponds to and the second connector
The indicator lamp DS1- indicator lamps DS4 of the connection and indicator lamp DS5 being connected with the first connector.
Further, the second connector model Y11X-1626ZK10,1 pin and 2 pin of second connector it
Between be connected with voltmeter PV1,1 pin is sequentially connected group with switch S6, switch S7, electromagnetic relay K1 normally opened contact and 2 pin
Into series loop, electromagnetic relay K1 normally-closed contact connects the output end and double-point double-throw switch S1 of the Switching Power Supply respectively
Pin, the stationary contact of the double-point double-throw switch S1 is connected with the pin of 3 pin -8 of second connector respectively, and 9 pin are connected with
Ammeter PA1, and be connected by switching S9 with the output end of first via linear power supply regulation circuit, 10 pin pass through switch
S10 is connected with the output end of the described second linear power source regulating circuit, switch S4, switchs 13 of S5 respectively with the second connector
Pin and the connection of 14 pin, the pin of switch S2 connections 15 and 16 pin.
Operation principle：
Voltmeter PV1 is used to detect the voltage between 1 pin and 2 pin, switchs S6, switch S7 and electromagnetic relay K1, double-pole
Commutator S1 is that electromagnetic relay K1 is grounded controlling switch, after double-point double-throw switch S1 is closed, electromagnetic relay K1 adhesives, is opened
Close S6, switch S7 closure makes 1 pin and 2 pin short circuits.Ammeter PA1 shows input current when switching S9 closures, switchs S4, opens
The control source control that S5 is respectively used to 13 pin and 14 pin of the second connector is closed, switch S2 is used for the short circuit control of 15 pin and 16 pin
System.
Further, the voltage regulator circuit includes resistance R8, resistance R9, resistance R10, resistance R11 and resistance R14,
The resistance R8, resistance R9 and resistance R14 first end are connected with 23 pin of first connector, and resistance R8 the second end connects
22 pin are connect, resistance R9 the second end connects 9 pin, and resistance R14 the second end connects 24 pin, and the first end of the R11 connects 12 pin,
Second end connecting triode Q2 base stage is simultaneously grounded by resistance R12, and triode Q2 colelctor electrode connects 21 pin, triode Q2's
Grounded emitter, the first 7 pin of termination of the resistance R10, resistance R10 the second 2 pin of termination simultaneously connect voltage-regulator diode ZR2's
Anode, voltage-regulator diode ZR2 minus earth, the voltage regulator circuit also include operational amplifier OP1, the operation amplifier
Device OP1 reverse input end is connected with potentiometer RP7, potentiometer RP6 and potentiometer RP5, operational amplifier OP1 forward direction in turn
Input connection voltage-regulator diode ZR1 negative pole, voltage-regulator diode ZR1 positive pole are grounded with the potentiometer RP5, operation amplifier
Device OP1 output end connecting triode Q3 base stage, triode Q3 emitter stage connect the output end of the Switching Power Supply, three poles
The positive input that pipe Q3 emitter stage passes through resistance R18 concatenation operation amplifiers OP1.Switch S3 is connected with the first connector,
Controlling switch as 28VDC inputs.
Operation principle：
The potentiometer RP5, the potentiometer RP6 that are connected in voltage regulator circuit with operational amplifier OP1 reverse input end and
The regulation of potentiometer RP7 resistances, the change of output end voltage can be caused, the conversion of output end voltage is after triode Q3 amplifications
Input the first connector.
The utility model compared with prior art, has advantages below and beneficial effect：
The utility model is the special test equipment done by piece number 389GC01Y03 battery charge monitors.As needed
Signal and voltage, being manipulated by signaling switch and power supply switching push button, voltage-regulation button makes output voltage and letter
Number measured piece is given, voltage is monitored by voltmeter, oscillograph is observed the waveform for inputing to measured piece, and output refers to
Show that lamp is indicated performance test, the performance test of battery charge monitor can be effectively completed.Battery charge monitor is surveyed
Test stand provides the triangular wave of fixed voltage, adjustable voltage and adjustable output voltage gradient for battery charge monitor, tests battery
During charge monitor, it is only necessary to be connected corresponding interface with testing battery charging monitor.
Brief description of the drawings
Fig. 1 is system principle diagram of the present utility model；
Fig. 2 is the schematic diagram that linear power supply adjusts circuit；
Fig. 3 is the connection diagram of the second connector and Signal-controlled switch；
Fig. 4 is Switching Power Supply and transformer T1 connection diagram；
Fig. 5 is the schematic diagram of voltage regulator circuit；
Wherein U1- Switching Power Supplies；The connectors of JP1- first；The connectors of XS1- second, J1-220VAC sockets.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
With reference to shown in accompanying drawing 1, a kind of battery charge monitor testboard, including cabinet, it is provided with the cabinet preposition
Panel, input interface for connecting 220V AC voltage is provided with the front panel and for connecting battery charge observation
The output interface of device, in addition to the switch being used for by 220V AC conversions into 28V direct currents being connected with the input interface
Power supply U1, the input of the Switching Power Supply U1 are connected with the input interface, the output end connection institute of the Switching Power Supply U1
Output interface is stated, Switching Power Supply U1 output end is also associated with triangle wave generating circuit and voltage regulator circuit, and the input connects
The output end that mouth is also associated with transformer T1, the voltage device T1 is connected with linear power supply regulation circuit, and the triangular wave occurs
The output end of circuit, voltage regulator circuit and linear power supply regulation circuit is connected with the output interface.
Operation principle：
Battery charge monitor testboard, is exclusively used in testing battery charging monitor, including cabinet, cabinet it is preposition
The 220VAC for connecting 220VAC power supplys is connected between input interface and the circuit board on panel to switch, and uses power line
220VAC power supplys are connected by cable with input interface, and 220VAC is switched and closed, and the Switching Power Supply U1 on circuit board turns 220VAC
28VDC is changed into export to output interface as fixed output voltage and connect triangle wave generating circuit and voltage regulator circuit conduct
Operating voltage, the output end of triangle wave generating circuit connect output interface, the sawtooth waveforms of test are provided for measured piece.Input connects
Mouth is connected with transformer T1, and voltage AC is reduced to by transformer T1.Low-voltage AC is whole by linear power supply regulation circuit
After stream, filtering voltage regulation, the adjustable DC voltage of output amplitude.Linear power supply regulation circuit output end connection output interface, it is
Measured piece provides adjustable DC voltage.Battery charge monitor testboard provides fixed electricity for battery charge monitor
Pressure, adjustable voltage and triangular wave.
Embodiment 2：
On the basis of embodiment 1, with reference to shown in accompanying drawing 1, Fig. 2 and Fig. 4, the DC terminal output of the Switching Power Supply U1
28V DC voltages, exchange end connect the high pressure lateral coil of the transformer T1 and pass through double-pole single throw S14 connections 220VAC
Power outlet J1, the both ends of the high pressure lateral coil of the transformer T1 are parallel with LED, the both ends of low-voltage side coil
It is connected with the input of linear power supply regulation circuit.
Operation principle：
220VAC power outlets J1 passes through double-pole single throw S14 and Switching Power Supply U1 input and transformer T1 height
Lateral coil connection is pressed, Switching Power Supply U1 uses 220AC-28VDC modules, alternating voltage is converted into 28V DC voltages, Ke Yizhi
Output is connect to output interface, can also testboard other electronic components operating voltage input.Transformer T1 is by high-voltage alternating
Electricity is converted to input linear power source regulating circuit after low-voltage AC.
Further, the linear power supply regulation is whole including being connected with the both ends of the low-voltage side coil of the transformer T1
Flow bridge circuit and the rectifier circuit connection filter circuit and three terminal regulator, the output end of the three terminal regulator and
Adjustment end separately has the first connector JP1, and the linear power supply regulation circuit has two, the respectively first linear electricity
Source adjusts circuit and the second linear power source regulating circuit, and 18 pin of the first connector JP1 are connected to power supply switching
Single-pole double-throw switch (SPDT) S12, single-pole double-throw switch (SPDT) S12 first group of stationary contact pass through the 19 of resistance R20 the first connectors of connection JP1
Pin, single-pole double-throw switch (SPDT) S12 second group of stationary contact is by potentiometer RP8 the first connectors of connection JP1 19 pin, and described first
Connector JP1 16 pin are connected to the single-pole double-throw switch (SPDT) S13 of power supply switching, single-pole double-throw switch (SPDT) S13 first group of stationary contact
Point passes through resistance R19 the first connectors of connection JP1 19 pin, and single-pole double-throw switch (SPDT) S13 second group of stationary contact passes through potentiometer
RP9 the first connectors of connection JP1 19 pin, are connected with reversing switch S8 between the first connector JP1 8 pin and 24 pin and connect
Potentiometer RP5 both ends, potentiometer RP5 slide connect 9 pin, and the first connector JP1 is also associated with outer for switching
The double-point double-throw switch S11 of portion's triangular-wave generator and inner triangular wave producer and defeated for adjusting inner triangular wave producer
Go out the potentiometer RP6 of waveform slope.
Operation principle：
Linear power supply adjusts circuit and the low-voltage AC that voltage device T1 low-voltage side coil inputs is passed through into diode rectification
Bridge rectification, inputs three terminal regulator after AC capacitor filtering, and three terminal regulator is using linear, and output voltage is adjustable, linear electricity
Source regulation circuit is identical two-way, respectively as two-way control source, therefore the regulation that two-way voltage output can be independent.Three
The adjustment end of end voltage-stablizer connects the first connector JP118 pin and 16 pin respectively, the two pins respectively by fixed resistance and
Variable resistor exports fixed voltage and adjustable voltage.Single-pole double-throw switch (SPDT) S12 and single-pole double-throw switch (SPDT) S13 corresponds to preposition respectively
The switching of DC1 power supplys and the switching of DC2 power supplys on panel, potentiometer RP8 and potentiometer RP9 correspond to the DC1 in front panel respectively
Power supply adjusts and the regulation of DC2 power supplys.When double-point double-throw switch S11 is closed, inner triangular wave producer is connected, and tune can be passed through
The slope of nodal potential device RP6 adjusting triangle ripples, can be adjusted to sawtooth waveforms by triangular wave；During disconnection, double-point double-throw switch S11's
The outside triangular-wave generator of pin connection.Double-point double-throw switch S11 is the Signal-controlled switch in front panel, controls outside three
The switching of angle wave producer and inner triangular wave producer.
Further, the three terminal regulator uses chip LM317HV.
Operation principle：
LM317HV output voltage ranges are 1.25V-57V, therefore meet testboard voltage regulation limits.
Embodiment 3：
On the basis of above example, with reference to shown in accompanying drawing 1-4, the output interface includes being used to connect battery charging
Second connector XS1 of monitor, the second connector XS1 is connected with adjusts circuit output for detecting the linear power supply
The voltmeter PV1 of voltage, the ammeter PA1 for detecting the linear power supply regulation circuit output current, second connection
The switch S4 and switch S5 for controlling DC voltage to input are connected between device XS1 and the Switching Power Supply U1 output end,
Switch S2, switch S6 and switch S7 for fault control, for controlling the first via linear power supply regulation circuit and second
The switch S9 of linear power source regulating circuit control source and switch S10, for being grounded the double-point double-throw switch S1 of control and defeated
Go out indicator light circuit, the output end that the double-point double-throw switch S1 passes through the relay K1 connections Switching Power Supply U1.
Operation principle：
Connecting interfaces of the second connector XS1 as testboard and measured piece, voltmeter is connected with the second connector XS1
PV1 and ammeter PA1, for measuring the output voltage and electric current of testboard, switch S4 and switch S5 are used to control the switch
The 28VDC of power supply U1 outputs inputs the second connector XS1, and switch S2 is used to, by the second connector XS1 two pin short circuits, open
Close S6 and switch S7 and be used for voltmeter PV1 short circuits, switch S9 and switch S10 for the linear power source regulating circuit of the two-way
The input control of output end voltage.Double-point double-throw switch S1, which is used to control, to be grounded, and has output indicator DS4 to show current voltage
Input is effective.Button corresponding relation on component and front panel in circuit is：Switch S9 is DC1 power switches, switch
S10 is DC2 power switches, and double-point double-throw switch S1, switch S2, switch S4- switches S7 are Signal-controlled switch.Ammeter PA1,
Voltmeter PA1 corresponds to current monitoring table, voltage monitoring table in front panel respectively.Output indicator in front panel is corresponding
The indicator lamp DS1- indicator lamps DS4 being connected with the second connector XS1 and indicator lamp DS5 being connected with the first connector JP1.
Further, the second connector XS1 models Y11X-1626ZK10,1 pin of the second connector XS1
And 2 be connected with voltmeter PV1 between pin, 1 pin with switch S6, switch S7, electromagnetic relay K1 normally opened contact and 2 pin successively
Connection composition series loop, electromagnetic relay K1 normally-closed contact connect the output end and double-pole pair of the Switching Power Supply U1 respectively
Throw switch S1 pin, the stationary contact of the double-point double-throw switch S1 connect with the pin of 3 pin -8 of the second connector XS1 respectively
Connect, 9 pin are connected with ammeter PA1, and are connected by switching S9 with the output end of first via linear power supply regulation circuit, 10
Pin is connected by switching S10 with the output end of the described second linear power source regulating circuit, and switch S4, switch S5 are respectively with second
Connector XS1 13 pin and the connection of 14 pin, the pin of switch S2 connections 15 and 16 pin.
Operation principle：
Voltmeter PV1 is used to detect the voltage between 1 pin and 2 pin, switchs S6, switch S7 and electromagnetic relay K1, double-pole
Commutator S1 is that electromagnetic relay K1 is grounded controlling switch, after double-point double-throw switch S1 is closed, electromagnetic relay K1 adhesives, is opened
Close S6, switch S7 closure makes 1 pin and 2 pin short circuits.Ammeter PA1 shows input current when switching S9 closures, switchs S4, opens
The control source control that S5 is respectively used to the second connector XS1 13 pin and 14 pin is closed, switch S2 is used for the short of 15 pin and 16 pin
Connect control.
Embodiment 4：
On the basis of embodiment 3, with reference to shown in accompanying drawing 1-5, the voltage regulator circuit include resistance R8, resistance R9,
Resistance R10, resistance R11 and resistance R14, the resistance R8, resistance R9 and resistance R14 first end and first connector
JP1 23 pin connection, resistance R8 the second end connect 22 pin, and resistance R9 the second end connects 9 pin, and resistance R14 the second end connects
24 pin are connect, the first end of the R11 connects 12 pin, and the second end connecting triode Q2 base stage is simultaneously grounded, three poles by resistance R12
Pipe Q2 colelctor electrode connects 21 pin, and triode Q2 grounded emitter, the first of the resistance R10 terminates 7 pin, resistance R10's
Second 2 pin of termination simultaneously connect voltage-regulator diode ZR2 anode, voltage-regulator diode ZR2 minus earth, the voltage regulator circuit
Also include operational amplifier OP1, the reverse input end of the operational amplifier OP1 is connected with potentiometer RP7, potentiometer in turn
RP6 and potentiometer RP5, operational amplifier OP1 positive input connection voltage-regulator diode ZR1 negative pole, voltage-regulator diode ZR1
Positive pole and the potentiometer RP5 be grounded, operational amplifier OP1 output end connecting triode Q3 base stage, triode Q3's
Emitter stage connects the output end of the Switching Power Supply U1, and triode Q3 emitter stage passes through resistance R18 concatenation operation amplifiers OP1
Positive input.Switch S3 is connected with the first connector JP1, the controlling switch as 28VDC inputs.
Operation principle：
The potentiometer RP5, the potentiometer RP6 that are connected in voltage regulator circuit with operational amplifier OP1 reverse input end and
The regulation of potentiometer RP7 resistances, the change of output end voltage can be caused, the conversion of output end voltage is after triode Q3 amplifications
Input the first connector JP1.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (7)
1. a kind of battery charge monitor testboard, including cabinet, front panel, the front panel are provided with the cabinet
On be provided with the input interface for connecting 220V AC voltage and the output interface for connecting battery charge monitor, it is special
Sign is, in addition to the Switching Power Supply being used for by 220V AC conversions into 28V direct currents being connected with the input interface
（U1）, the Switching Power Supply（U1）Input be connected with the input interface, the Switching Power Supply（U1）Output end connection
The output interface, Switching Power Supply（U1）Output end be also associated with triangle wave generating circuit and voltage regulator circuit, it is described defeated
The output end that incoming interface is also associated with transformer T1, the voltage device T1 is connected with linear power supply regulation circuit, the triangular wave
The output end that circuit, voltage regulator circuit and linear power supply regulation circuit occurs is connected with the output interface.
A kind of 2. battery charge monitor testboard according to claim 1, it is characterised in that the Switching Power Supply（U1）
DC terminal output 28V DC voltages, the high pressure lateral coil that exchange end connects the transformer T1 simultaneously passes through double-pole single throw
S14 connection 220VAC power outlets（J1）, the both ends of the high pressure lateral coil of the transformer T1 are parallel with LED,
The both ends of low-voltage side coil are connected with the input of linear power supply regulation circuit.
A kind of 3. battery charge monitor testboard according to claim 2, it is characterised in that the linear power supply regulation
What the rectifier circuit and the rectifier circuit that the both ends including the low-voltage side coil with the transformer T1 are connected connected
Filter circuit and three terminal regulator, the output end and adjustment end of the three terminal regulator are separately connected with the first connector
（JP1）, the linear power supply, which adjusts circuit, two, respectively first via linear power supply regulation circuit and the second linear power supply
Adjust circuit, first connector（JP1）18 pin be connected to power supply switching single-pole double-throw switch (SPDT) S12, single-pole double throw
Switch S12 first group of stationary contact passes through resistance R20 the first connectors of connection（JP1）19 pin, the of single-pole double-throw switch (SPDT) S12
Two groups of stationary contacts pass through potentiometer RP8 the first connectors of connection（JP1）19 pin, first connector（JP1）16 pin connect
The single-pole double-throw switch (SPDT) S13 for power supply switching is met, single-pole double-throw switch (SPDT) S13 first group of stationary contact is connected by resistance R19
First connector（JP1）19 pin, single-pole double-throw switch (SPDT) S13 second group of stationary contact pass through potentiometer RP9 connections first and connect
Device（JP1）19 pin, the first connector（JP1）8 pin and 24 pin between be connected with reversing switch S8 and connect potentiometer RP5's
Both ends, potentiometer RP5 slide connect 9 pin, first connector（JP1）It is also associated with being used to switch outside triangular wave hair
Give birth to the double-point double-throw switch S11 of device and inner triangular wave producer and for adjusting inner triangular wave producer output waveform slope
Potentiometer RP6.
4. a kind of battery charge monitor testboard according to claim 3, it is characterised in that the three terminal regulator is adopted
With chip LM317HV.
A kind of 5. battery charge monitor testboard according to claim 3 or 4, it is characterised in that the output interface
Including the second connector for connecting battery charge monitor（XS1）, second connector（XS1）It is connected with for detecting
The linear power supply adjusts the voltmeter PV1 of circuit output voltage, for detecting the linear power supply regulation circuit output current
Ammeter PA1, second connector（XS1）With the Switching Power Supply（U1）Output end between be connected with it is straight for controlling
Switch S4 and switch S5, switch S2 for fault control, the switch S6 and switch S7 of control source are flowed, for controlling described the
Linear power supply regulation circuit and the switch S9 and switch S10 of the second linear power source regulating circuit control source all the way, for connecing
The double-point double-throw switch S1 and output indication circuit for lamp of ground control, the double-point double-throw switch S1 pass through described in relay K1 connections
Switching Power Supply（U1）Output end.
A kind of 6. battery charge monitor testboard according to claim 5, it is characterised in that second connector
（XS1）Model Y11X-1626ZK10, second connector（XS1）1 pin and 2 pin between be connected with voltmeter PV1,1 pin
Composition series loop, electromagnetic relay are sequentially connected with switch S6, switch S7, electromagnetic relay K1 normally opened contact and 2 pin
K1 normally-closed contact connects the Switching Power Supply respectively（U1）Output end and double-point double-throw switch S1 pin, the double-pole is double
Throw switch S1 stationary contact respectively with second connector（XS1）The connection of the pin of 3 pin -8,9 pin are connected with ammeter PA1, and
It is connected by switching S9 with the output end of first via linear power supply regulation circuit, 10 pin are by switching S10 and described second
Linear power source regulating circuit output end connection, switch S4, switch S5 respectively with the second connector（XS1）13 pin and 14 pin
Connection, the pin of switch S2 connections 15 and 16 pin.
A kind of 7. battery charge monitor testboard according to claim 6, it is characterised in that the voltage regulator circuit
Including resistance R8, resistance R9, resistance R10, resistance R11 and resistance R14, the resistance R8, resistance R9 and resistance R14 first end
With first connector（JP1）The connection of 23 pin, resistance R8 the second end connects 22 pin, and resistance R9 the second end connects 9 pin,
Resistance R14 the second end connects 24 pin, and the first end of the R11 connects 12 pin, and the second end connecting triode Q2 base stage is simultaneously led to
Cross resistance R12 to be grounded, triode Q2 colelctor electrode 21 pin of connection, triode Q2 grounded emitter, the first of the resistance R10
7 pin are terminated, resistance R10 the second 2 pin of termination simultaneously connect voltage-regulator diode ZR2 anode, and voltage-regulator diode ZR2 negative electrode connects
Ground, the voltage regulator circuit also include operational amplifier OP1, and the reverse input end of the operational amplifier OP1 is sequentially connected
There are potentiometer RP7, potentiometer RP6 and potentiometer RP5, operational amplifier OP1 positive input connection voltage-regulator diode ZR1's
Negative pole, voltage-regulator diode ZR1 positive pole are grounded with the potentiometer RP5, operational amplifier OP1 output end connecting triode Q3
Base stage, triode Q3 emitter stage connects the Switching Power Supply（U1）Output end, triode Q3 emitter stage passes through resistance
R18 concatenation operation amplifiers OP1 positive input.
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| CN201721165117.0U CN207181660U (en) | 2017-09-12 | 2017-09-12 | A kind of battery charge monitor testboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365089A (en) * | 2019-08-15 | 2019-10-22 | 上海翌工电子科技有限公司 | A kind of charger and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365089A (en) * | 2019-08-15 | 2019-10-22 | 上海翌工电子科技有限公司 | A kind of charger and its control method |
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Effective date of registration: 20191211 Address after: 300000 Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) No.28, the third street, airport international logistics zone Patentee after: Tianjin Haite Aircraft Engineering Co., Ltd. Address before: No. 21 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610000 Patentee before: Sichuan Haite High-tech Co.,Ltd. |
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