CN209016931U - A kind of voltage output device - Google Patents
A kind of voltage output device Download PDFInfo
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- CN209016931U CN209016931U CN201822022048.9U CN201822022048U CN209016931U CN 209016931 U CN209016931 U CN 209016931U CN 201822022048 U CN201822022048 U CN 201822022048U CN 209016931 U CN209016931 U CN 209016931U
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Abstract
The utility model discloses a kind of voltage output device, which includes the voltage regulator circuit of at least two-way output, inputs termination power, and output at least two-way voltage signal loads in load.The device exports at least two-way voltage using voltage regulator circuit, accesses the device using service life monitor station coil voltage as input power, i.e., exportable two-way voltage is used for relay, contactor life test, improves the utilization rate of service life monitor station.
Description
Technical field
The utility model relates to a kind of voltage output devices.
Background technique
During relay, contactor production, test, need to carry out life test to relay, contacts of contactor.It is existing
Service life monitor station mostly only have 1 road coil voltage output, the product of 1 coil voltage specification, service life can only be carried out every time
Remaining monitoring port of monitor station can only leave unused, and service life platform utilization efficiency is low.
Utility model content
In order to solve the problems, such as that existing life tests platform utilization efficiency is low, the purpose of this utility model is to provide one kind
The voltage that existing service life monitor station coil voltage exports can be become to the voltage output device of two output voltage.
To realize the purpose of this utility model, provided voltage output device includes the voltage of at least two-way output herein
Circuit is adjusted, termination power is inputted, output at least two-way voltage signal loads in load.
Further, the voltage regulator circuit includes capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor
C6, amplifier L1, amplifier L2, resistance VR1, resistance VR2, resistance R1 and resistance R2, input power input the amplifier L1
With the non-inverting input terminal of the amplifier L2, the non-inverting input terminal of the non-inverting input terminal of the amplifier L1 and the amplifier L2
It is grounded respectively through the capacitor C2 and capacitor C5；The resistance R1 and the capacitor C3 are series at the defeated of the amplifier L1
Between outlet and ground, the capacitor C1 is connected between the output end and ground of the amplifier L1, the output of the amplifier L1
End is as output end output voltage all the way；The inverting input terminal of the amplifier L1 is grounded by the resistance VR1, the resistance
One end that one end that VR1 is connect with the amplifier L1 inverting input terminal is also connected with the resistance R1 and the capacitor C3 connects
It connects；The resistance R2 and the capacitor C6 are series between the output end and ground of the amplifier L2, and the capacitor C4 is connected to
Between the output end and ground of the amplifier L2, the output end of the amplifier L2 is as output end output voltage all the way；It is described
The inverting input terminal of amplifier L2 is grounded by the resistance VR2, and the resistance VR2 and the amplifier L2 inverting input terminal connect
The one end connect is also connect with the one end being connected the resistance R2 and the capacitor C6.
Further, the resistance VR1 is potentiometer, and the resistance VR1 sliding end is connected to the resistance R1 and described
One end that capacitor C2 is connected.
Further, the resistance VR2 is potentiometer, and the resistance VR2 sliding end is connected to the resistance R2 and described
One end that capacitor C6 is connected.
It further, further include governor circuit, analog to digital conversion circuit and display circuit, the input of analog-digital conversion circuit as described
The output end of the voltage regulator circuit is terminated, the output end of analog-digital conversion circuit as described is connected to the signal of the governor circuit
Input terminal, the display circuit connect the signal output end of the governor circuit.
Further, the governor circuit is single-chip minimum system.
Further, analog-digital conversion circuit as described includes modulus conversion chip, resistance VR3, resistance VR4 and connecting pin P1,
The output end of the connecting pin P1 connects the modulus conversion chip, the modulus through the resistance VR3 and the resistance VR3 respectively
The output end of conversion chip is connected to the signal input part of the main control circuit, the output end output of the voltage regulator circuit
Voltage through the connecting pin P1 input analog-digital conversion circuit as described.
Further, the resistance VR3 and/or resistance VR4 is potentiometer.
Further, the display circuit includes charactron and driving circuit, and the section pin of the charactron meets the master
The signal output end of circuit is controlled, the position pin of the charactron connects the output end of the driving circuit, the control of the driving circuit
System terminates the signal output end of the governor circuit.
Further, the driving circuit is made of driving triode.
The beneficial effects of the utility model are: the device exports at least two-way voltage using voltage regulator circuit, by the service life
Monitor station coil voltage accesses the device as input power, i.e., exportable two-way voltage is tried for relay, contactor service life
It tests, improves the utilization rate of service life monitor station.
Utilize potentiometer, thus it is possible to vary output voltage amplitude, to meet test requirements document；Utilize governor circuit, analog-to-digital conversion
Circuit and display circuit realize voltage and show, can understand output voltage situation in real time, avoid because output voltage is excessive or mistake
It is small to treat influence caused by test relay, contactor.
Detailed description of the invention
Fig. 1 is the circuit diagram of the voltage regulator circuit of voltage output device provided by the utility model；
Fig. 2 is the circuit diagram of the main control circuit of voltage output device provided by the utility model；
Fig. 3 is the circuit diagram of the analog to digital conversion circuit of voltage output device provided by the utility model；
Fig. 4 is the circuit diagram of the display circuit of voltage output device provided by the utility model.
Specific embodiment
The drawings and specific embodiments are combined to make the application technical solution claimed herein further details of
Explanation.
As inscribed shown in 1-4, the utility model technical solution claimed herein is a kind of voltage output device, the device
Including voltage regulator circuit, which includes the output of at least two-way, input terminal loading power, such as can directly by
Service life monitor station coil voltage accesses the device as input power, thus by 1 road coil voltage of service life monitor station script point
More than two-way or two-way, in addition the original 1 road coil voltage of service life monitor station, which has, constitutes minimum 3 road coil voltage, it can be same
When to three contactors, relay carry out life test, improve the utilization rate of service life monitor station.
Voltage regulator circuit recited herein can be using existing any circuit to service life monitor station coil electricity
Pressure is adjusted filtering processing, to guarantee the smooth steady of output voltage, provides a kind of voltage including two-way output herein
Adjust circuit comprising capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, amplifier L1, amplifier L2, electricity
Hinder VR1, resistance VR2, resistance R1 and resistance R2, the non-inverting input terminal of input power input amplifier L1 and amplifier L2, amplification
The input terminal of device L1 and the input terminal of amplifier L2 are grounded through capacitor C2 and capacitor C5 respectively, are filtered input power to protect
Demonstrate,prove the voltage stabilization of input amplifier；Resistance R1 and capacitor C3, which is series between the output end and ground of amplifier L1, constitutes RC filter
Wave, capacitor C1 are connected between the output end and ground of amplifier L1, the electricity exported by RC filtering and capacitor C1 to amplifier L1
Pressure is filtered the voltage stabilization to guarantee output, caused by attenuating treats test relay, contactor because of voltage fluctuation
Influence, the output end of amplifier L1 is as output end output voltage all the way；The inverting input terminal of amplifier L1 passes through resistance VR1
Ground connection, one end that resistance VR1 is connect with amplifier L1 inverting input terminal is also connect with the one end being connected resistance R1 and capacitor C3；
Resistance R2 and capacitor C6 are series between the output end and ground of amplifier L2, and capacitor C4 is connected to the output end and ground of amplifier L2
Between, the output end of amplifier L2 is as output end output voltage all the way；The inverting power supplies end of amplifier L2 is connect by resistance VR2
Ground, one end that resistance VR2 is connect with amplifier L2 inverting input terminal are also connect with the one end being connected resistance R2 and capacitor C6.
In order to which the voltage for exporting the voltage output device is adjustable, to be applicable in the test of all kinds of relays and contactor,
Resistance VR1 and resistance VR2 are set potentiometer by this, by adjusting potentiometer to change input amplifier inverting input terminal
Voltage, and then change the output voltage of amplifier, it is adjustable to realize output voltage；Meanwhile by adjusting resistance VR1 and resistance
VR2 makes amplifier L1 and amplifier L2 export different voltage.
Documented amplifier L1 and amplifier L1 can use existing any one, use LM318 herein.
In order to enable testing crew intuitively to know the device voltage output situation, further improve is at this herein
Increase governor circuit in device, the voltage for exporting voltage regulator circuit carries out the analog to digital conversion circuit and use of analog-to-digital conversion
In the display circuit of display voltage, the input terminal of analog to digital conversion circuit is connected to the output end of voltage regulator circuit, analog-to-digital conversion
The voltage that voltage regulator circuit exports is converted into inputting master control by the signal input part of governor circuit after digital signal by circuit
The voltage value received is inputted display circuit by signal output end and shown by circuit, governor circuit.
Wherein, governor circuit can be mono- using STC89C52 herein using existing any single-chip minimum system
Piece machine and its peripheral circuit constitute single-chip minimum system, the peripheral circuit include capacitor C7, capacitor C8, capacitor C9, resistance R3,
Reset switch S1, crystal oscillator Y1 and connecting pin P2, capacitor C7 are series between power supply VCC and the resetting pin of STC89C52 single chip,
The resetting pin of STC89C52 single chip also passes through resistance R3 and is grounded, and one end of switch S1 connects power supply VCC and connecting pin P2 simultaneously
One end, the other end connects the resetting pin of STC89C52 single chip and the other end of connecting pin P2 simultaneously；Capacitor C8 and capacitor C9
Be series between the first clock foot of STC89C52 single chip and ground respectively and the second clock foot of STC89C52 single chip and
Between ground, crystal oscillator Y1 be connected to STC89C52 single chip the first clock foot and STC89C52 single chip second clock foot it
Between.The connecting pin JPI and connecting pin JP2 connecting with STC89C52 single chip are for connecting display circuit, the label on pin
The connection of label is corresponded in corresponding display circuit.Wherein switch S1 is microswitch.
Documented analog to digital conversion circuit can be constituted using existing any modulus conversion chip, be used herein
ADC0832 analog-digital converter, peripheral circuit and connecting pin P1 are constituted, and peripheral circuit furthermore includes resistance VR3 and resistance
VR4, the output end of connecting pin P1 meet ADC0832 through resistance VR3 and resistance VR4 respectively, and the output end of ADC0832 is connected to master control
The voltage of the signal input part of circuit processed, the output end output of voltage regulator circuit inputs analog to digital conversion circuit through connecting pin P1.
Wherein, resistance VR3 and/or resistance VR4 is potentiometer.
Documented display circuit includes the quantity charactron and driving circuit equal with voltage regulator circuit output number,
If the application is aforementioned, two eight segment numeral pipes or seven segment digital tubes are set herein, when in order to preferably show decimal place, herein with
It is introduced for eight segment numeral pipes.
Driving circuit in display circuit is made of triode, can drive two charactrons simultaneously by four triodes
Position pin, can also respectively drive the position pin of two charactrons by eight triodes, herein using eight triode difference
Driving, as shown in Figure 4.Driving circuit includes triode Q1, triode Q2, triode Q3, triode Q4, triode Q5, three poles
Pipe Q6, triode Q7 and triode Q8, the control terminal of triode Q1, the control terminal of triode Q2, the control terminal of triode Q3, three
The control terminal of pole pipe Q4, the control terminal of triode Q5, the control terminal of triode Q6, the control terminal of triode Q7 and triode Q8
Control terminal connects master control through resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10 and resistance R11 respectively
The signal output end of circuit；The power end of triode Q1, the power end of triode Q2, the power end of triode Q3, triode Q4
Power end, the power end of triode Q5, the power end of triode Q6, the power end of triode Q7 and triode Q8 power end
Power supply is connect respectively；The output of the output end of triode Q1, the output end of triode Q2, the output end of triode Q3 and triode Q4
End connects the position pin (A, B, C, D) of charactron respectively；The output end of triode Q5, the output end of triode Q6, triode Q7
The output end of output end and triode Q8 connect the position pin (A1, B1, C1, D1) of another charactron respectively；The section of two charactrons
Pin (a1, b1, c1, d1, e1, f1, g1, h1) and section pin (a, b, c, d, e, f, g, h) pass through exclusion RP1 and exclusion respectively
The connection of the signal output end of RP2 and governor circuit.
Wherein, triode Q1, triode Q2, triode Q3, triode Q4, triode Q5, triode Q6, triode Q7 and
Triode Q8 can be using transistor or using field-effect tube.
Governor circuit is constituted single using single-chip microcontroller STC89C52 as core in voltage output device provided by the utility model
Piece machine minimum system includes peripheral circuit and reset circuit.Two-way LM318 and peripheral components constitute power source voltage amplitude adjustment,
ADC0832 samples output two output voltage, and voltage is shown on two three Digital sum pipes after passing through analog-to-digital conversion.
Voltage output device provided by the utility model does not destroy in the case of original relay life monitor station device structure,
Original coil output is accessed to the input terminal of the invention, original coil voltage can be reconverted into two output voltage,
Voltage amplitude is continuously adjustable, shows voltage value by two three Digital sum pipes；It is easy to use, need using when connect in electromagnetism relay
On device service life monitor station coil, DC-DC converter use can be used as when not in use.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The modification or equivalent replacement that the technical solution of the utility model is made, without departing from the spirit of the technical solution of the utility model
And range, it is encompassed by the scope of the claims of the utility model.
Claims (10)
1. a kind of voltage output device, it is characterised in that: the device includes the voltage regulator circuit of at least two-way output, input
Termination power, output at least two-way voltage signal load in load.
2. voltage output device according to claim 1, it is characterised in that: the voltage regulator circuit include capacitor C1,
Capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, amplifier L1, amplifier L2, resistance VR1, resistance VR2, resistance R1 and
Resistance R2, input power input the non-inverting input terminal of the amplifier L1 and the amplifier L2, the same phase of the amplifier L1
The non-inverting input terminal of input terminal and the amplifier L2 are grounded through the capacitor C2 and capacitor C5 respectively；The resistance R1 and
The capacitor C3 is series between the output end and ground of the amplifier L1, and the capacitor C1 is connected to the defeated of the amplifier L1
Between outlet and ground, the output end of the amplifier L1 is as output end output voltage all the way；The reverse phase of the amplifier L1 is defeated
Enter end by the resistance VR1 be grounded, one end that the resistance VR1 is connect with the amplifier L1 inverting input terminal also with it is described
One end connection that resistance R1 is connected with the capacitor C3；The resistance R2 and the capacitor C6 are series at the amplifier L2's
Between output end and ground, the capacitor C4 is connected between the output end and ground of the amplifier L2, and the amplifier L2's is defeated
Outlet is as output end output voltage all the way；The inverting input terminal of the amplifier L2 is grounded by the resistance VR2, the electricity
One end that one end that resistance VR2 is connect with the amplifier L2 inverting input terminal is also connected with the resistance R2 and the capacitor C6
Connection.
3. voltage output device according to claim 2, it is characterised in that: the resistance VR1 is potentiometer.
4. voltage output device according to claim 2 or 3, it is characterised in that: the resistance VR2 is potentiometer.
5. voltage output device according to claim 1, it is characterised in that: further include governor circuit, analog to digital conversion circuit
And display circuit, the input of analog-digital conversion circuit as described terminate the output end of the voltage regulator circuit, the analog-to-digital conversion electricity
The output end on road is connected to the signal input part of the governor circuit, and the display circuit connects the signal output of the governor circuit
End.
6. voltage output device according to claim 5, it is characterised in that: the governor circuit is single-chip microcontroller minimum system
System.
7. voltage output device according to claim 5, it is characterised in that: analog-digital conversion circuit as described includes analog-to-digital conversion
Chip, resistance VR3, resistance VR4 and connecting pin P1, the output end of the connecting pin P1 is respectively through the resistance VR3 and the electricity
Resistance VR3 connects the modulus conversion chip, and the output end of the modulus conversion chip is connected to the signal input of the governor circuit
The voltage at end, the output end output of the voltage regulator circuit inputs analog-digital conversion circuit as described through the connecting pin P1.
8. voltage output device according to claim 7, it is characterised in that: the resistance VR3 and/or resistance VR4
For potentiometer.
9. voltage output device according to claim 5, it is characterised in that: the display circuit includes charactron and driving
Circuit, the section pin of the charactron connect the signal output end of the governor circuit, and the position pin of the charactron connects the drive
The output end of dynamic circuit, the control of the driving circuit terminate the signal output end of the governor circuit.
10. voltage output device according to claim 9, it is characterised in that: the driving circuit is by driving triode structure
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022048.9U CN209016931U (en) | 2018-12-04 | 2018-12-04 | A kind of voltage output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022048.9U CN209016931U (en) | 2018-12-04 | 2018-12-04 | A kind of voltage output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016931U true CN209016931U (en) | 2019-06-21 |
Family
ID=66843467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822022048.9U Active CN209016931U (en) | 2018-12-04 | 2018-12-04 | A kind of voltage output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016931U (en) |
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2018
- 2018-12-04 CN CN201822022048.9U patent/CN209016931U/en active Active
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