CN106772117A - A kind of integrated testing instrument for transformer - Google Patents
A kind of integrated testing instrument for transformer Download PDFInfo
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- CN106772117A CN106772117A CN201611092211.8A CN201611092211A CN106772117A CN 106772117 A CN106772117 A CN 106772117A CN 201611092211 A CN201611092211 A CN 201611092211A CN 106772117 A CN106772117 A CN 106772117A
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- relay
- transformer
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- circuit
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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
- G01R31/40—Testing power supplies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to a kind of integrated testing instrument for transformer, it includes Transformer Winding control circuit, program chooser, display, memory, telecommunication circuit and voltage supply part；The Transformer Winding control circuit includes controller, shift register, optocoupler change-over circuit, relay drive circuit and relay；The controller connects the telecommunication circuit, memory, program chooser, display and shift register respectively；The shift register passes sequentially through the optocoupler change-over circuit and relay drive circuit is connected to the relay；The telecommunication circuit connects the voltage supply part.Structure design of the present invention is simple, rationally, artificial selection can be avoided and each winding is connected or disconnected time for being consumed with test device or test system, reach whether qualified automatic test transformer is and testing efficiency is high.
Description
Technical field
The present invention relates to a kind of tester, and in particular to a kind of integrated testing instrument for transformer.
Background technology
High frequency transformer is the power inverter commonly used in switching power circuit, and strong and weak electric isolution and energy are played in circuit
The effect of power transmission, it has the advantages that small power consumption, efficiency high, voltage stabilized range wide, small volume, lightweight.And exactly due to body
Small, efficiency high the advantage of product, causes the electrical safety performance for lifting high frequency transformer to be limited.Further, since high frequency transformer
Turn-to-turn or the pressure-resistant deficiency of interlayer, cause power loss serious.
At present, in the related art, in order to the electrical security to high frequency transformer is tested, generally require by resistance to
Pressure instrument, between winding and winding, between winding and magnetic core using manual test one by one by the way of, or using to one pair of which around
The mode of group test, the technical scheme testing efficiency is low, not comprehensively, it is impossible to meet the demand of large-scale manufacturing enterprise.
The content of the invention
Regarding to the issue above, the present invention proposes a kind of structure design simply, rationally, can avoid artificial selection and by respectively
Individual winding connects or disconnects the time consumed with test device or test system, reach automatic test transformer it is qualified with
No and testing efficiency integrated testing instrument for transformer high.
Technical scheme is as follows：
Above-mentioned integrated testing instrument for transformer, including Transformer Winding control circuit, program chooser, display, storage
Device, telecommunication circuit and voltage supply part；The Transformer Winding control circuit includes controller, shift register, optocoupler conversion electricity
Road, relay drive circuit and relay；The controller connects the telecommunication circuit, memory, program chooser, aobvious respectively
Show device and shift register；The shift register passes sequentially through the optocoupler change-over circuit and relay drive circuit is connected to
The relay；The telecommunication circuit connects the voltage supply part；The relay includes coil, contact switch J-1 and contact
Switch J-2；
The relay drive circuit is by resistance R1~R4, double base diode (V1), triode (V2), diode D1
~D2, electric capacity C1~C3, unidirectional controllable silicon S CR and key switch AN1~AN2 connection compositions；Described key switch AN1 one end connects
Power supply VCC is met, the other end connects described key switch AN2 one end；Coil one end of the relay is connected to described unidirectionally may be used
The K poles of control silicon SCR, the other end is connected between the electric capacity C2 and the anode tap of diode D1；The switch J-1 that gets an electric shock is in parallel
In the key switch AN1 two ends；The cathode terminal ground connection of the diode D1, anode tap connects the electric capacity C2 and by described
Electric capacity C2 is connected to the colelctor electrode of the triode V2；The A poles of the unidirectional controllable silicon S CR are connected to the contact switch J-2
Between key switch AN2, the G poles of the unidirectional controllable silicon S CR are connected the electric capacity C3 and are connected to by the electric capacity C3
The cathode terminal of the diode D2, the anode tap of the diode D2 is connected to the base stage of the triode V2；The electric capacity C1
One end is grounded, and the other end connects the resistance R1 and connects described contact switch J-2 one end, the contact by the resistance R1
The switch J-2 other ends are connected to the key switch AN2 other ends；The first base stage connection of the double base diode V1 is described
Resistance R3 is simultaneously grounded by the resistance R3, and second base stage of the double base diode V1 connects the resistance R2 and passes through institute
State resistance R2 and connect described contact switch J-2 one end, the emitter stage of the double base diode V1 be connected to the resistance R1 with
Between electric capacity C1；The base stage of the triode V2 is connected to first base stage of the double base diode V1, the triode V2
Grounded emitter, the colelctor electrode of the triode V2 connected the resistance R4 and opened by the resistance R4 connections contact
Close J-2 one end.
The integrated testing instrument for transformer, wherein：The controller is connected with the input of the relay；The control
Device processed is used to send control command to the relay, and the control command is used to control the relay adhesive or disconnection；Institute
Control command is stated using serial data control command and including the first control command and the second control command, the first control life
Make for controlling the relay adhesive, second control command is used to control the relay to disconnect.
The integrated testing instrument for transformer, wherein：The telecommunication circuit is connected to the controller with the voltage supply part
Between, the telecommunication circuit is used to transmit the communication data between the controller and the voltage supply part.
The integrated testing instrument for transformer, wherein：The display be used to showing the selected target program of current test,
Any one in the magnitude of voltage and voltage species and test result of test voltage or multiple.
The integrated testing instrument for transformer, wherein：The memory is used for storing test program, and the test program is used for
Treat test transformer and perform test processes.
The integrated testing instrument for transformer, wherein：The voltage supply part includes voltage resistant instrument.
The integrated testing instrument for transformer, wherein：Described program selector is used to select target program from test program.
Beneficial effect：
Integrated testing instrument for transformer structure design of the present invention is simple, reasonable, and its repeat circuit has input and output end,
The output end of relay is connected with the winding of transformer to be measured, when the contact of relay is on contact switch J-1, relay
Device is attracting state, and when the contact of relay is on contact switch J-2, relay is off-state；Meanwhile, controller with
Relay input is connected, and for sending control command, control command is used for the adhesive or disconnection of control relay, due to
Each winding that transformer to be measured can be automatically controlled connects or disconnects annexation with test device or test system,
So as to avoid artificial selection and each winding is connected or disconnected into the time consumed with test device or test system,
And then reached whether qualified automatic test transformer is and effect of efficiency high.
Brief description of the drawings
Fig. 1 is the structural representation of integrated testing instrument for transformer of the present invention；
Fig. 2 is the circuit diagram of integrated testing instrument for transformer repeat circuit drive circuit of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
As shown in Figure 1, 2, integrated testing instrument for transformer of the present invention, including Transformer Winding controls circuit 1, program chooser
2nd, display 3, memory 4, telecommunication circuit 5 and voltage supply part 6.
Transformer Winding control circuit 1 includes controller 11, shift register 12, optocoupler change-over circuit 13, relay
Drive circuit 14 and relay 15；The controller 11 difference connection communication circuit 5, memory 4, program chooser 2, display 3
With shift register 12；The shift register 12 passes sequentially through optocoupler change-over circuit 13 and relay drive circuit 14 be connected to after
Electrical equipment 15；The relay 15 includes coil, contact switch J-1 and contact switch J-2.
Wherein, the relay drive circuit 14 is connected with the input of relay 15, and the relay drive circuit 14 is used
In control command is sent to relay 15, the control command is used for the adhesive of control relay 15 or disconnection；The control command can
So that using serial data control command and including the first control command and the second control command, the first control command can be used for control
The adhesive of relay processed 15, the second control command can be used for control relay 15 and disconnect.Meanwhile, the controller 11 can be center
Processor CPU module, is made up of master chip and peripheral circuit, for control relay 15 switch come indirect control transformer around
The connection status with voltage supply part 6 is organized, and then controls the data communication between controller 11 and voltage supply part 6.
The relay drive circuit 14 be by resistance R1~R4, double base diode V1, triode V2, diode D1~
D2, electric capacity C1~C3, unidirectional controllable silicon S CR and key switch AN1~AN2；Key switch AN1 one end connects power supply VCC, separately
One end connection key switch AN2 one end；Coil one end of the relay 15 is connected to the K poles of unidirectional controllable silicon S CR, and the other end connects
It is connected between the anode tap of electric capacity C2 and diode D1；Electric shock switch J-1 is parallel to key switch AN1 two ends；The diode
The cathode terminal ground connection of D1, anode tap is connected electric capacity C2 and the colelctor electrode of triode V2 is connected to by electric capacity C2；This is unidirectional controllable
The A poles of silicon SCR are connected between contact switch J-2 and key switch AN2, and the G poles of unidirectional controllable silicon S CR connect electric capacity C3 simultaneously
The cathode terminal of diode D2 is connected to by electric capacity C3, the anode tap of diode D2 is connected to the base stage of triode V2；The electricity
Hold C1 one end ground connection, other end connection resistance R1 simultaneously switchs J-2 one end by resistance R1 connecting terminals, and J-2 is another for the contact switch
One end is connected to the key switch AN2 other ends；The first base stage connection resistance R3 of double base diode V1 simultaneously passes through resistance R3
Ground connection, the second base stage connection resistance R2 of double base diode V1 simultaneously switchs J-2 one end by resistance R2 connecting terminals, should
The emitter stage of double base diode V1 is connected between resistance R1 and electric capacity C1；The base stage of triode V2 is connected to the biradical pole
First base stage of diode V1, the grounded emitter of triode V2, the colelctor electrode connection resistance R4 of triode V2 simultaneously passes through
Resistance R4 connecting terminals switch J-2 one end.
Double base diode V1 constitutes a relaxation formula oscillator with resistance R1~R3, electric capacity C1, pushes button switch
After AN1, power on circuitry, because unidirectional controllable silicon S CR is not turned on without trigger voltage, relay 15 is failure to actuate, power supply VCC
Charged to close to supply voltage rapidly to electric capacity C2 by resistance R4 and diode D1；Meanwhile, power supply gives electric capacity C1 through resistance R1
Charge, after the several seconds, voltage is charged to the trigger voltage of double base diode V1 on electric capacity C1, and electric capacity C1 passes through the pole of biradical pole two immediately
Pipe V1 is discharged, and a positive pulse is formed on resistance R3, and the pulse is added to triode V2 base stages, triode V2 is satisfied rapidly all the way
And conducting, the colelctor electrode of triode V2 is that the positive pole of electric capacity C2 is bordering on ground connection.Due on now electric capacity C2 filled with upper just lower negative
Positive polarity voltage, so coil one end that the negative pole of electric capacity C2 is relay 15 is in negative potential, the positive pulse on resistance R3 is another
Road goes triggering unidirectional controllable silicon S CR to turn on through diode D2, electric capacity C3, and the negative electrode of unidirectional controllable silicon S CR is the line of relay 15
Close to supply voltage, at this moment the coil of relay 15 actually bears the supply voltage of about twice to the circle other end, so contact is opened
Close J-1 closures, after unclamping key switch AN1, contact switch J-1 self-insurances；Contact switch J-2 is by double base diode V1, three poles
Pipe V2 powers cut-out, and relay 15 works under close to supply voltage, and in Fig. 2, contact switch AN2 is stop button, is pressed tactile
Point switch AN2, the dead electricity of relay 15 release, contact switch J-1 disconnections, whole Transformer Winding controls the dead electricity of circuit 1.
The program chooser 2 is used to select target program from test program.
The display 3 is connected with the controller 11 of Transformer Winding control circuit 1, and the display 3 is used to show current
In the selected target program of test, the magnitude of voltage of test voltage and voltage species and test result any one or it is many
It is individual.
The memory 4 is used for storing test program, and the test program is used to treat test transformer execution test processes.
The telecommunication circuit 5 is connected between the controller 11 of Transformer Winding control circuit 1 and voltage supply part 6, the communication
The communication data that circuit 5 is used between transmission control unit (TCU) 11 and voltage supply part 6, the voltage supply part 6 mainly includes voltage resistant instrument.
Structure design of the present invention is simple, rationally, its repeat circuit has input and an output end, the output end of relay with
The winding of transformer to be measured is connected, and when the contact of relay is on contact switch J-1, relay is attracting state, when
The contact of relay is in when on contact switch J-2, and relay is off-state；Meanwhile, controller and relay input phase
Connection, for sending control command, control command is used for the adhesive or disconnection of control relay, is treated due to that can automatically control
Each winding of survey transformer connects or disconnects the annexation with test device or test system, artificial so as to avoid
Select and each winding is connected or disconnected the time consumed with test device or test system, and then reached automatic
Whether qualified test transformer is and effect of efficiency high.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (7)
1. it is a kind of integrated testing instrument for transformer, including Transformer Winding control circuit, program chooser, display, memory, logical
Letter circuit and voltage supply part；It is characterized in that：The Transformer Winding control circuit includes controller, shift register, optocoupler
Change-over circuit, relay drive circuit and relay；The controller connects the telecommunication circuit, memory, program choosing respectively
Select device, display and shift register；The shift register passes sequentially through the optocoupler change-over circuit and relay driving electricity
Road is connected to the relay；The telecommunication circuit connects the voltage supply part；The relay includes coil, contact switch J-
1 and contact switch J-2；
The relay drive circuit be by resistance R1~R4, double base diode (V1), triode (V2), diode D1~
D2, electric capacity C1~C3, unidirectional controllable silicon S CR and key switch AN1~AN2 connection compositions；Key switch AN1 one end connection
Power supply VCC, the other end connects described key switch AN2 one end；Coil one end of the relay is connected to described unidirectional controllable
The K poles of silicon SCR, the other end is connected between the electric capacity C2 and the anode tap of diode D1；The switch J-1 that gets an electric shock is parallel to
The key switch AN1 two ends；The cathode terminal ground connection of the diode D1, anode tap connects the electric capacity C2 and passes through the electricity
Hold the colelctor electrode that C2 is connected to the triode V2；The A poles of the unidirectional controllable silicon S CR be connected to the contact switch J-2 with
Between key switch AN2, the G poles of the unidirectional controllable silicon S CR connect the electric capacity C3 and are connected to institute by the electric capacity C3
The cathode terminal of diode D2 is stated, the anode tap of the diode D2 is connected to the base stage of the triode V2；The electric capacity C1 mono-
End ground connection, the other end connects the resistance R1 and connects described contact switch J-2 one end by the resistance R1, and the contact is opened
Close the J-2 other ends and be connected to the key switch AN2 other ends；First base stage of the double base diode V1 connects the electricity
Resistance R3 is simultaneously grounded by the resistance R3, and second base stage of the double base diode V1 connects the resistance R2 and by described
Resistance R2 connects described contact switch J-2 one end, and the emitter stage of the double base diode V1 is connected to the resistance R1 with electricity
Between appearance C1；The base stage of the triode V2 is connected to first base stage of the double base diode V1, the triode V2's
Grounded emitter, the colelctor electrode of the triode V2 connects the resistance R4 and connects the contact switch by the resistance R4
J-2 one end.
2. integrated testing instrument for transformer as claimed in claim 1, it is characterised in that：The controller is defeated with the relay
Enter end to be connected；The controller is used to send control command to the relay, the control command be used to controlling it is described after
Electrical equipment adhesive or disconnection；
The control command is using serial data control command and including the first control command and the second control command, described first
Control command is used to control the relay adhesive, and second control command is used to control the relay to disconnect.
3. integrated testing instrument for transformer as claimed in claim 1, it is characterised in that：The telecommunication circuit is connected to the control
Between device and the voltage supply part, the telecommunication circuit is used to transmit the communication number between the controller and the voltage supply part
According to.
4. integrated testing instrument for transformer as claimed in claim 1, it is characterised in that：The display is used to show current test
In selected target program, the magnitude of voltage of test voltage and voltage species and test result any one or it is multiple.
5. integrated testing instrument for transformer as claimed in claim 1, it is characterised in that：The memory is used to store test journey
Sequence, the test program is used to treat test transformer execution test processes.
6. integrated testing instrument for transformer as claimed in claim 1, it is characterised in that：The voltage supply part includes voltage resistant instrument.
7. integrated testing instrument for transformer as claimed in claim 1, it is characterised in that：Described program selector is used for from test journey
Target program is selected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092211.8A CN106772117A (en) | 2016-12-01 | 2016-12-01 | A kind of integrated testing instrument for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092211.8A CN106772117A (en) | 2016-12-01 | 2016-12-01 | A kind of integrated testing instrument for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772117A true CN106772117A (en) | 2017-05-31 |
Family
ID=58915753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611092211.8A Pending CN106772117A (en) | 2016-12-01 | 2016-12-01 | A kind of integrated testing instrument for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106772117A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201689141U (en) * | 2010-05-06 | 2010-12-29 | 东莞中逸电子有限公司 | Integrated testing instrument for transformer |
| CN201740828U (en) * | 2010-07-02 | 2011-02-09 | 北京水木源华电气有限公司 | Integral test instrument of power distribution transformer |
| CN104459500A (en) * | 2014-11-26 | 2015-03-25 | 珠海格力电器股份有限公司 | Control circuit of transformer winding and testing device and system of transformer |
| CN204516685U (en) * | 2015-04-30 | 2015-07-29 | 孙建东 | A kind of under-voltage replay drive circuit |
-
2016
- 2016-12-01 CN CN201611092211.8A patent/CN106772117A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201689141U (en) * | 2010-05-06 | 2010-12-29 | 东莞中逸电子有限公司 | Integrated testing instrument for transformer |
| CN201740828U (en) * | 2010-07-02 | 2011-02-09 | 北京水木源华电气有限公司 | Integral test instrument of power distribution transformer |
| CN104459500A (en) * | 2014-11-26 | 2015-03-25 | 珠海格力电器股份有限公司 | Control circuit of transformer winding and testing device and system of transformer |
| CN204516685U (en) * | 2015-04-30 | 2015-07-29 | 孙建东 | A kind of under-voltage replay drive circuit |
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Application publication date: 20170531 |
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