CN106707158A - Time relay calibration device and calibration method thereof - Google Patents
Time relay calibration device and calibration method thereof Download PDFInfo
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- CN106707158A CN106707158A CN201710095291.0A CN201710095291A CN106707158A CN 106707158 A CN106707158 A CN 106707158A CN 201710095291 A CN201710095291 A CN 201710095291A CN 106707158 A CN106707158 A CN 106707158A
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
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Abstract
The invention discloses a time relay calibration device and a calibration method thereof. The time relay calibration device comprises a voltage reduction module, an AC voltage output module, a DC voltage output module, a control display module, a voltage selection switch, an AC/DC changeover switch and a function selection switch. The control display module comprises a power supply loop, a delay accuracy setting circuit, a delay time display circuit and a contact state display circuit. Six types of working voltage can be provided for a tested time delay, and the six types of working voltage can be connected with the AC voltage output module or the DC voltage output module. A power-on time relay and a power-off time relay share the same socket without additional wire connection so that testing is convenient. The delay time and the contact state of the tested time delay can be simultaneously tested and calibrated so that the device is simple in structure, comprehensive in function, easy to expand and particularly suitable for the factory to perform batch outgoing testing and calibration of the time relay.
Description
Technical field
The present invention relates to the calibrating installation of the time relay, the calibrating installation of more particularly to a kind of time relay and calibration
Method.
Background technology
The time relay refers to that its output circuit passes through the correct time contact of regulation after relay obtains actuating signal
A kind of relay of action, the species of the time relay is a lot, there is air damping type, electromagnetic type, power type and electron type etc., leads to
Often using on the circuit of low voltage or smaller current, for switching on or off high voltage, larger current circuit.
The time relay can be divided into the on-delay type time relay and the power cut off delay type time relay by time delay species,
The contact manner of execution of the time relay can be divided into snap action and deferred action again.The on-delay type time relay is powered
Afterwards, time delay is immediately begun to, after reaching the delay time of setting, control unit output control signal, the contacts status of relay enter
Row switching, relay power-off back contact state is recovered immediately.After the power cut off delay type time relay is powered, the contact shape of relay
State is switched over immediately, and time delay is immediately begun to after relay power-off, after reaching the delay time of setting, control unit output control
Signal, relay contact state is recovered.
Test and the calibration main test and calibration including delay time and contact on off operating mode of the time relay.According to
The issue of China's on April 12nd, 2011《Electronical time relay calibrating standard》, the detection calibration instrument of the time relay need to
The test equipment of complexity is built using digital electric stopwatch or digital millisecond meter.Whole equipment build process is complicated, appearance
It is error-prone, therefore build the test equipment come and there is potential safety hazard, and the test equipment can only to the time relay when
Between calibrated, it is impossible to the contacts status to the time relay are monitored in real time, at present, the country without production to the time after
The related equipment that electrical equipment delay time and contacts status are tested and calibrated simultaneously.
The content of the invention
The object of the invention is directed to calibrating installation and school of the defect of prior art presence there is provided a kind of time relay
Quasi- method, the calibrating installation of the time relay can provide 12V, 24V, 36V, 48V, 110V, 220V and have 6 kinds of work electricity altogether
Pressure, realizes the energization type time relay and the power-off type time relay shares a socket, and can be to being tested the time relay
Delay time and contacts status simultaneously calibrated.
The present invention to achieve the above object, is adopted the following technical scheme that：A kind of time relay calibrating installation, including step-down
Module, alternating voltage output module, direct voltage output module, control display module, voltage-selected switch, alternating current-direct current switching are opened
Close and functional select switch,
The voltage reduction module is used to for the 220V alternating voltages of input to be depressured into different grades of alternating voltage,
The alternating voltage output module is used to export the alternating voltage of different voltage class, and the direct voltage output module is used
In the DC voltage for exporting different voltage class,
The control display module includes electric power loop, delay precision initialization circuit, delay time display circuit and contacts status
Display circuit,
Voltage-selected switch is used to the rated voltage according to the tested time relay select corresponding operating voltage,
Alternating current-direct current switching switch selects AC or DC operating voltage for the voltage request according to the tested time relay,
Functional select switch selected according to the type of the tested time relay energization type time relay or power-off type time after
Electrical equipment.
Preferably, the electric power loop of the control display module includes the reduction voltage circuit, rectification circuit, the filtering that are sequentially connected
Circuit and mu balanced circuit.
Preferably, the delay precision initialization circuit of the control display module includes toggle switch KY1, chip IC 1, resistance
R11 and diode D9, D10, D11 and D12, described diode D9, D10, D11 and D12 are exported as the level of the single-chip microcomputer
Unit connects with the input port of toggle switch KY1, and the output port of the toggle switch KY1 is connected with the resistance R11, institute
The 10th pin for stating chip IC 1 is the data-in port of delay precision initialization circuit.
Preferably, the delay time display circuit includes resistance R7 ~ R14, diode D17 ~ D20, charactron DS1, institute
The negative electrode bit scan for stating chip IC 1 shows drive end the 1st, 2,3,4 pin respectively through diode D17 ~ D20 and charactron DS1 phases
Even, 1,2,3,4 pin of the chip IC 1 are come by the negative electrode that the pulse that internal logic circuit is produced directly drives charactron DS1
Bright 4 bit digital, the anode segment of the chip IC 1 is scanned after the display pin of drive end the 6th ~ 13 is connected with resistance R7 ~ R14 respectively and institute
The anode for stating charactron DS1 is connected, and the 6th ~ 13 heel of the chip IC 1 drives the sun of charactron DS1 according to current time value
Pole, shows specific delay time.
Preferably, the contacts status display circuit includes that resistance R3 ~ R6, light emitting diode D13 ~ D16, the first contact are opened
Close and the second contact switch, after the 6V power supplys meet a pull-up resistor R3, then after connecting with light emitting diode D13 with the first contact
The contact 6 of switch connects, accordingly, after the 6V power supplys meet a pull-up resistor R4, then with after connecting with light emitting diode D14
The contact 5 of one contact switch connects, after the 6V power supplys meet a pull-up resistor R5, then with after connecting with light emitting diode D15
The contact 4 of two contact switch connects, after the 6V power supplys meet a pull-up resistor R6, then with after connecting with light emitting diode D16
The contact 3 of two contact switch connects, and the contact 8 of first contact switch is connected the control with the contact 1 of the second contact switch
The power supply ground of display module processed.
Preferably, the operating voltage of the voltage reduction module output is divided into six kinds of 12V, 24V, 36V, 48V, 110V and 220V
Grade.
Preferably, the time relay calibrating installation also includes control panel and the electricity being arranged on the control panel
Pressure selecting switch, alternating current-direct current switching switch, functional select switch, contact indicator lamp and delay time show that the voltage is selected
Switch be divided into six kinds of grades of 12V, 24V, 36V, 48V, 110V and 220V voltage output interface it is corresponding connect, the alternating current-direct current cuts
Change switch respectively it is corresponding with the output end of the alternating voltage output module or direct voltage output module connect, and with it is described
The tested time relay power input port be connected.
The functional select switch includes that power switch and test are switched, and the power switch is defeated with the voltage reduction module
The power input port for entering end and the control display module is connected, it is described test switch with the input of the voltage reduction module and
The power input port of the control display module is connected.
The contact indicator lamp 3,4,5,6 contact 3 and contact 4 respectively with the first contact switch, the second contact switch
Contact 5 is connected with the output port of contact 6, when the contact 3 and contact 1 of the first contact switch or contact 4 and contact 1, second
When the contact 5 and contact 8 of contact switch or contact 6 and contact 8 turn on, corresponding contact indicator lamp 3,4,5,6 is lighted.
What the delay time showed is the delay time in charactron DS1.
Preferably, the setting of different delayed time precision, the dial-up are realized by the level state of the toggle switch KY1
KY1 switches have 9 kinds of level combinations altogether to realize prolonging with 0000,0001,0010,0011,0100,0101,0110,0111,1000
Nine kinds of Shi Jingdu 0.01S, 0.1S, 1S, 0.1M, 1M, 0.1H, 1H, MS, HM.
Energization type time relay calibrating installation calibration method, the method is using described in any one in claim 1-8
Time relay calibrating installation, comprise the following steps：
Step one：According to the rated voltage and voltage specification of the tested time relay, by needed for the voltage selection on control panel
The magnitude of voltage wanted, alternating current-direct current selecting switch is switched to the alternating voltage or DC voltage of needs, and functional select switch is switched
To position 1；
Step 2：Turn on the power switch, open test switch, be tested time relay trigger, the contact on control panel
The contacts status of the tested time relay of indicator lamp display in real time, the delay time display portion on control panel shows meter in real time
When state；
Step 3：Tested time relay time delay reaches setting value, the contact indicator lamp on control panel show the time of being tested after
Contacts status after electrical equipment conversion, after the delay time display portion on control panel shows that the tested time relay stops timing
The actual time delay time, made comparisons computing by by the actual time delay time of the tested time relay and setting delay time, obtain
Go out set error；
Step 4：Repeatedly test is made to the tested time relay and obtains the actual time delay time, by the multiple of the tested time relay
The actual time delay time makes comparisons and draws repetitive error, and the tested time relay is entered if error exceedes the scope of specification defined
Row calibration.
Power-off type time relay calibrating installation calibration method, the method is using described in any one in claim 1-8
Time relay calibrating installation, comprise the following steps：
Step one：According to the rated voltage and voltage specification of the tested time relay, by needed for the voltage selection on control panel
The magnitude of voltage wanted, alternating current-direct current selecting switch is switched to the alternating voltage or DC voltage of needs, and functional select switch is switched
To position 2；
Step 2：Turn on the power switch, open test switch more than 2s, close test switch, the tested time relay starts to prolong
When, the contacts status of the tested time relay of contact indicator lamp on control panel display in real time, during time delay on control panel
Between display portion show time status in real time；
Step 3：Tested time relay time delay reaches setting value, the contact indicator lamp on control panel show the time of being tested after
Contacts status after electrical equipment recovery, after the delay time display portion on control panel shows that the tested time relay stops timing
The actual time delay time；Made comparisons computing by by the actual time delay time of the tested time relay and setting delay time, obtained
Go out set error；
Step 4：Repeatedly test is made to the tested time relay and obtains the actual time delay time, by the multiple of the tested time relay
The actual time delay time makes comparisons and draws repetitive error, and the tested time relay is entered if error exceedes the scope of specification defined
Row calibration.
The beneficial effect that the present invention reaches is：
1st, the present invention can have 6 kinds of work altogether for the tested time relay is provided including 12V, 24V, 36V, 48V, 110V, 220V
Operating voltage can connect with alternating voltage output module or direct voltage output module in voltage, and 6.
2nd, the present invention can realize that the energization type time relay and the power-off type time relay are common by functional select switch
Same socket is used, and should not wiring in addition, convenient test.
3rd, the present invention is realized to the delay time and contacts status that are tested the time relay while being tested and being calibrated.
4th, simple structure of the present invention, full-featured, it is easy to extends, and being particularly well-suited to factory carries out dispatching from the factory for the time relay
Batch testing and calibration.
Brief description of the drawings
Fig. 1 is integral module schematic diagram of the invention；
Fig. 2 is control display module circuit theory diagrams of the invention；
Fig. 3 is control panel schematic diagram of the invention.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of time relay calibrating installation, including voltage reduction module, alternating voltage output module,
Direct voltage output module, control display module, voltage-selected switch, alternating current-direct current switching switch and functional select switch,
The voltage reduction module is used to for the 220V alternating voltages of input to be depressured into different grades of alternating voltage, the exchange
Voltage output module is used to export the alternating voltage of different voltage class, and the direct voltage output module is used to export different electricity
Pressing the DC voltage of grade, the control display module includes electric power loop, delay precision initialization circuit, delay time display electricity
Road and contacts status display circuit, voltage-selected switch are used for corresponding to select according to the rated voltage of the tested time relay
Operating voltage, alternating current-direct current switching switch according to the voltage request for being tested the time relay for selecting the AC or DC to work
Voltage, functional select switch selected according to the type of the tested time relay energization type time relay or power-off type time after
Electrical equipment.
Preferred scheme is that the electric power loop of the control display module includes the reduction voltage circuit, the rectified current that are sequentially connected
Road, filter circuit and mu balanced circuit, the electric power loop are used to for the alternating current 220V voltage of input to carry out step-down rectifier for direct current
It is other loop power supplies after 6V voltages, the electric power loop is input into using alternating current 220V, by the transformer T1 in reduction voltage circuit
Alternating current 220V voltage is reduced to exchange 15V voltages, it is complete that the rectification circuit carries out bridge-type using rectifier bridge B1 to exchange 15V voltages
Ripple rectification, electric capacity C1 and C2 makees secondary step-down to the voltage filter after rectification, then through three terminal regulator Q1, then by electric capacity C3 and
6V DC voltages are exported after C4 filtering, for control display module is powered.
Preferred scheme is that the delay precision initialization circuit of the control display module includes toggle switch KY1, chip
IC1, resistance R11 and diode D9, D10, D11 and D12, described diode D9, D10, D11 and D12 are used as the single-chip microcomputer
Level output unit connects with the input port of toggle switch KY1, output port and the resistance of the toggle switch KY1
R11 is connected, the data-in port of the 10th pin delay precision initialization circuit of the chip IC 1.
Resistance R11,8421 toggle switch KY1 and diode D9, D10, D11 and D12 are used as delay precision input block, core
10th pin of piece IC1 is by the setting of reading the level state of toggle switch KY1 to realize different delayed time precision.Tester can
The delay precision for selecting to need with the specific delay requirement according to the tested time relay, so as to more accurate test and calibration
The delay time of the tested time relay.
Preferred scheme is that the delay time display circuit includes resistance R7 ~ R14, diode D17 ~ D20, charactron
DS1, the negative electrode bit scan of the chip IC 1 shows drive end the 1st, 2,3,4 pin respectively through diode D17 ~ D20 and charactron
DS1 is connected, and the negative electrode of the pulse direct drive charactron DS1 of 1,2,3, the 4 pin internal logic circuits generation of the chip IC 1 comes
Light 4 bit digitals, after the anode segment scanning display pin of drive end the 6th ~ 13 of the chip IC 1 is connected with resistance R7 ~ R14 respectively and
The anode of the charactron DS1 is connected, and the 6th ~ 13 heel of the chip IC 1 drives charactron DS1's according to current time value
Anode, shows specific delay time.
Work as power on circuitry, after test starts, chip IC 1 reads current time value and delay precision from internal storage
Value, the negative electrode bit scan of chip IC 1 shows the pulse that drive end the 1st, 2,3,4 pin is produced by the internal logic circuit of chip IC 1
The negative electrode of charactron DS1 is directly driven to light 4 bit digitals；The anode segment scanning display heel of drive end the 6th ~ 13 of chip IC 1
Drive the anode of charactron DS1 according to current time value, show specific delay time, the delay time is in test process by setting
Fixed delay precision value is continually changing for frequency, stops after the time delay of the tested time relay reaches setting value, now shows
Time value be the tested time relay the actual time delay time.
Delay time display circuit is by the delay time display portion of control panel by the reality of the tested time relay
Delay time is shown to tester, and actual time delay time for will being shown on test calibration device and the tested time relay set
Fix time and be compared the set error that computing obtains the tested time relay, corresponding school is carried out if error exceedes prescribed limit
It is accurate.To repeatedly test the actual time delay time for obtaining is compared the repetitive error that computing draws the tested time relay, if by mistake
Difference then carries out respective alignment more than prescribed limit.
Preferred scheme is that the contacts status display circuit includes resistance R3 ~ R6, light emitting diode D13 ~ D16, first
Contact switch and the second contact switch, after the 6V power supplys meet a pull-up resistor R3, then with after connecting with light emitting diode D13
The contact 6 of one contact switch connects, and accordingly, after the 6V power supplys meet a pull-up resistor R4, then connects with light emitting diode D14
Connect with the contact 5 of the first contact switch afterwards, after the 6V power supplys meet a pull-up resistor R5, then connect with light emitting diode D15
Connect with the contact 4 of the second contact switch afterwards, after the 6V power supplys meet a pull-up resistor R6, then connect with light emitting diode D16
Connect with the contact 3 of the second contact switch afterwards, the contact 8 of first contact switch is connected with the contact 1 of the second contact switch
The power supply ground of the control display module.
Contact indicating circuit by the contact indicator lamp of control panel by the contacts status of the tested time relay in real time
Tester is shown to, facilitates tester to judge whether the contact quality and transition status of the tested time relay are normal.
By taking the on-delay type time relay as an example：When the tested time relay is started working, now be tested the time after
The conducting of the conducting of contact 8 and 5,1 and 4 of electrical equipment, contact indication light diode D14, D15 ground connection, DC voltage 6V passes through resistance
R4 and R5 contact-actuating indication light diodes D14, D15 are lighted, and are now tested the disconnection of contact 8 and 6,1 and 3 of the time relay
Disconnect, contact indication light diode D13, D16 because being OFF state not over contact ground,；When the tested time
After relay reaches setting delay time, the conducting of the conducting of contact 8 and 6,1 and 3 of the time relay is now tested, contact indicates hair
Optical diode D13, D16 are grounded, and DC voltage 6V passes through resistance R3 and R6 contact-actuating indication light diode D13, D16 point
Bright, the disconnection of contact 8 and 5,1 and 4 for being now tested the time relay disconnect, and contact indication light diode D14, D15 be not because have
Have by contact ground, so being OFF state.
Preferred scheme is, the operating voltage of the voltage reduction module output be divided into 12V, 24V, 36V, 48V, 110V and
Six kinds of grades of 220V.Mainly by step-down transformer be depressured the 220V voltages of outside input by voltage reduction module, after step-down
Voltage is divided into six kinds of voltages of 12V, 24V, 36V, 48V, 110V, 220V.
The control display module also includes the electric capacity C4 being connected with the pin of single-chip microcomputer 15, the electric capacity being connected with the pin of single-chip microcomputer 16
C3, and it is arranged in parallel crystal oscillator Y1, the electric capacity C3 and C4 middle grounds between the pin of single-chip microcomputer 15 and 16 pin.
Preferred scheme is that the time relay calibrating installation also includes control panel and is arranged on the control panel
On voltage-selected switch, alternating current-direct current switching switch, functional select switch, contact indicator lamp and delay time show, the electricity
Pressure selecting switch be divided into six kinds of grades of 12V, 24V, 36V, 48V, 110V and 220V voltage output interface it is corresponding connect, the friendship
The connection corresponding with the output end of the alternating voltage output module or direct voltage output module respectively of direct current switching switch, and
Power input port with the described tested time relay is connected, the alternating voltage output module or direct voltage output mould
Block this six kinds of operating voltages of grade of optional 12V, 24V, 36V, 48V, 110V and 220V.
The functional select switch includes that power switch and test are switched, and the power switch is defeated with the voltage reduction module
The power input port for entering end and the control display module is connected, it is described test switch with the input of the voltage reduction module and
The power input port of the control display module is connected.
The contact indicator lamp 3,4,5,6 contact 3 and contact 4 respectively with the first contact switch, the second contact switch
Contact 5 is connected with the output port of contact 6, when the contact 3 and contact 1 of the first contact switch or contact 4 and contact 1, second
When the contact 5 and contact 8 of contact switch or contact 6 and contact 8 turn on, corresponding contact indicator lamp 3,4,5,6 is lighted.
What the delay time showed is the delay time in charactron DS1.
Preferred scheme is that the setting of different delayed time precision, institute are realized by the level state of the toggle switch KY1
State dial-up KY1 switch with 0000,0001,0010,0011,0100,0101,0110,0111,1000 have altogether 9 kinds of level combinations come
Realize nine kinds of delay precision 0.01S, 0.1S, 1S, 0.1M, 1M, 0.1H, 1H, MS, HM.
Energization type time relay calibrating installation calibration method, the method is using described in any one in claim 1-8
Time relay calibrating installation, comprise the following steps：
Step one：According to the rated voltage and voltage specification of the tested time relay, by needed for the voltage selection on control panel
The magnitude of voltage wanted, alternating current-direct current selecting switch is switched to the alternating voltage or DC voltage of needs, and functional select switch is switched
To position 1；
Step 2：Turn on the power switch, open test switch, be tested time relay trigger, the contact on control panel
The contacts status of the tested time relay of indicator lamp display in real time, the delay time display portion on control panel shows meter in real time
When state；
Step 3：Tested time relay time delay reaches setting value, the contact indicator lamp on control panel show the time of being tested after
Contacts status after electrical equipment conversion, after the delay time display portion on control panel shows that the tested time relay stops timing
The actual time delay time, made comparisons computing by by the actual time delay time of the tested time relay and setting delay time, obtain
Go out set error；
Step 4：Repeatedly test is made to the tested time relay and obtains the actual time delay time, by the multiple of the tested time relay
The actual time delay time makes comparisons and draws repetitive error, and the tested time relay is entered if error exceedes the scope of specification defined
Row calibration.
Power-off type time relay calibrating installation calibration method, the method is using described in any one in claim 1-8
Time relay calibrating installation, comprise the following steps：
Step one：According to the rated voltage and voltage specification of the tested time relay, by needed for the voltage selection on control panel
The magnitude of voltage wanted, alternating current-direct current selecting switch is switched to the alternating voltage or DC voltage of needs, and functional select switch is switched
To position 2；
Step 2：Turn on the power switch, open test switch more than 2s, close test switch, the tested time relay starts to prolong
When, the contacts status of the tested time relay of contact indicator lamp on control panel display in real time, during time delay on control panel
Between display portion show time status in real time；
Step 3：Tested time relay time delay reaches setting value, the contact indicator lamp on control panel show the time of being tested after
Contacts status after electrical equipment recovery, after the delay time display portion on control panel shows that the tested time relay stops timing
The actual time delay time；Made comparisons computing by by the actual time delay time of the tested time relay and setting delay time, obtained
Go out set error；
Step 4：Repeatedly test is made to the tested time relay and obtains the actual time delay time, by the multiple of the tested time relay
The actual time delay time makes comparisons and draws repetitive error, and the tested time relay is entered if error exceedes the scope of specification defined
Row calibration.
The course of work of the invention is,
The calibration of the energization type time relay, first according to the rated voltage and voltage specification of the tested time relay, by chain of command
Voltage-selected switch on plate is switched to specific required voltage value, and alternating current-direct current selecting switch is switched to the exchange of specific needs
Voltage or DC voltage, position 1 is switched to by functional select switch.Turn on the power switch, open test switch, be tested the time after
Electrical equipment trigger, the contacts status of the contact indicator lamp tested time relay of display in real time on control panel, control panel
On delay time display portion show time status in real time.The time delay of the tested time relay reaches setting value, on control panel
Contact indicator lamp show the contacts status after tested time relay conversion, the delay time display portion on control panel shows
Show the actual time delay time after tested time relay stopping timing.By by the actual time delay time of the tested time relay and
Setting delay time is made comparisons computing, draws set error；When making repeatedly test acquisition actual time delay to the tested time relay
Between, the multiple actual time delay time of the tested time relay is made comparisons and draws repetitive error, if error exceedes specification defined
Scope then the tested time relay is calibrated.
The calibration of the power-off type time relay, first according to the rated voltage and voltage specification of the tested time relay, will control
Voltage-selected switch on panel processed is switched to specific required voltage value, and alternating current-direct current selecting switch is switched into specific needs
Alternating voltage or DC voltage, position 2 is switched to by functional select switch.Turn on the power switch, open test switch more than 2S,
Test switch is then shut off, time relay trigger is tested, when the contact indicator lamp on control panel shows tested in real time
Between relay conversion back contact state, the delay time display portion on control panel shows time status in real time.When tested
Between relay time delay reach setting value, the contact indicator lamp on control panel show the contact shape after tested time relay recovery
State, the delay time display portion on control panel shows that the tested time relay stops the actual time delay time after timing.It is logical
Cross and the actual time delay time of the tested time relay and setting delay time make comparisons computing, draw set error；To tested
The time relay makees repeatedly test and obtains the actual time delay time, and the multiple actual time delay time of the tested time relay is made comparisons
Repetitive error is drawn, the tested time relay is calibrated if error exceedes the scope of specification defined.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of time relay calibrating installation, it is characterised in that including voltage reduction module, alternating voltage output module, direct current
Pressure output module, control display module, voltage-selected switch, alternating current-direct current switching switch and functional select switch,
The voltage reduction module is used to for the 220V alternating voltages of input to be depressured into different grades of alternating voltage,
The alternating voltage output module is used to export the alternating voltage of different voltage class, and the direct voltage output module is used
In the DC voltage for exporting different voltage class,
The control display module includes electric power loop, delay precision initialization circuit, delay time display circuit and contacts status
Display circuit,
Voltage-selected switch is used to the rated voltage according to the tested time relay select corresponding operating voltage,
Alternating current-direct current switching switch selects AC or DC operating voltage for the voltage request according to the tested time relay,
Functional select switch selected according to the type of the tested time relay energization type time relay or power-off type time after
Electrical equipment.
2. a kind of time relay calibrating installation according to claim 1, it is characterised in that the control display module
Electric power loop includes the reduction voltage circuit, rectification circuit, filter circuit and the mu balanced circuit that are sequentially connected.
3. a kind of time relay calibrating installation according to claim 1, it is characterised in that the control display module
Delay precision initialization circuit includes toggle switch KY1, chip IC 1, resistance R11 and diode D9, D10, D11 and D12, described two
Pole pipe D9, D10, D11 and D12 connect as the level output unit of the single-chip microcomputer with the input port of toggle switch KY1, institute
The output port for stating toggle switch KY1 is connected with the resistance R11, and the 10th pin of the chip IC 1 is electric for delay precision sets
The data-in port on road.
4. a kind of time relay calibrating installation according to claim 1, it is characterised in that the delay time display electricity
Road includes resistance R7 ~ R14, diode D17 ~ D20, charactron DS1, the negative electrode bit scan display drive end the of the chip IC 1
1st, 2,3,4 pin are connected respectively through diode D17 ~ D20 with charactron DS1, and 1,2,3,4 pin of the chip IC 1 are patrolled by inside
The negative electrode of the pulse direct drive charactron DS1 that circuit is produced is collected to light 4 bit digitals, the anode segment scanning of the chip IC 1
The display pin of drive end the 6th ~ 13 is connected after being connected with resistance R7 ~ R14 respectively with the anode of the charactron DS1, the chip IC 1
The 6th ~ 13 heel the anode of charactron DS1 is driven according to current time value, show specific delay time.
5. a kind of time relay calibrating installation according to claim 1, it is characterised in that the contacts status display electricity
Road includes resistance R3 ~ R6, light emitting diode D13 ~ D16, the first contact switch and the second contact switch, and the 6V power supplys are connect on one
Connect with the contact 6 of the first contact switch after pull-up resistor R3, then after connecting with light emitting diode D13, accordingly, the 6V power supplys
Connect with the contact 5 of the first contact switch after meeting a pull-up resistor R4, then after connecting with light emitting diode D14, the 6V power supplys
Connect with the contact 4 of the second contact switch after meeting a pull-up resistor R5, then after connecting with light emitting diode D15, the 6V power supplys
Connect with the contact 3 of the second contact switch after meeting a pull-up resistor R6, then after connecting with light emitting diode D16, described first touches
The contact 8 of point switch is connected the power supply ground of the control display module with the contact 1 of the second contact switch.
6. a kind of time relay calibrating installation according to claim 1, it is characterised in that the voltage reduction module output
Operating voltage is divided into six kinds of grades of 12V, 24V, 36V, 48V, 110V and 220V.
7. a kind of time relay calibrating installation according to claim 1, it is characterised in that the time relay calibration
Device also includes control panel and the voltage-selected switch, alternating current-direct current switching switch, the function choosing that are arranged on the control panel
Switch, contact indicator lamp and delay time is selected to show, the voltage-selected switch be divided into 12V, 24V, 36V, 48V, 110V and
The voltage output interface correspondence of six kinds of grades of 220V is connected, and the alternating current-direct current switching switch exports mould with the alternating voltage respectively
Block or direct voltage output module output end correspondence connect, and with the power input port of the described tested time relay
It is connected,
The functional select switch includes that power switch and test are switched, the input of the power switch and the voltage reduction module
Power input port with the control display module is connected, and the test is switched and the input of the voltage reduction module and described
The power input port of display module is controlled to be connected,
Contact 3 and contact 4, the contact 5 of the second contact switch respectively with the first contact switch of the contact indicator lamp 3,4,5,6
Output port with contact 6 is connected, when the contact 3 and contact 1 of the first contact switch or contact 4 and contact 1, the second contact are opened
When the contact 5 and contact 8 of pass or contact 6 and contact 8 turn on, corresponding contact indicator lamp 3,4,5,6 is lighted,
What the delay time showed is the delay time in charactron DS1.
8. a kind of time relay calibrating installation according to claim 1, it is characterised in that by the toggle switch
The level state of KY1 realizes the setting of different delayed time precision, the dial-up KY1 switches are with 0000,0001,0010,0011,
0100th, 0101,0110,0111,1000 altogether 9 kinds of level combinations come realize delay precision 0.01S, 0.1S, 1S, 0.1M, 1M,
Nine kinds of 0.1H, 1H, MS, HM.
9. energization type time relay calibrating installation calibration method, the method is using described in any one in claim 1-8
Time relay calibrating installation, it is characterised in that comprise the following steps：
Step one：According to the rated voltage and voltage specification of the tested time relay, by needed for the voltage selection on control panel
The magnitude of voltage wanted, alternating current-direct current selecting switch is switched to the alternating voltage or DC voltage of needs, and functional select switch is switched
To position 1；
Step 2：Turn on the power switch, open test switch, be tested time relay trigger, the contact on control panel
The contacts status of the tested time relay of indicator lamp display in real time, the delay time display portion on control panel shows meter in real time
When state；
Step 3：Tested time relay time delay reaches setting value, the contact indicator lamp on control panel show the time of being tested after
Contacts status after electrical equipment conversion, after the delay time display portion on control panel shows that the tested time relay stops timing
The actual time delay time, made comparisons computing by by the actual time delay time of the tested time relay and setting delay time, obtain
Go out set error；
Step 4：Repeatedly test is made to the tested time relay and obtains the actual time delay time, by the multiple of the tested time relay
The actual time delay time makes comparisons and draws repetitive error, and the tested time relay is entered if error exceedes the scope of specification defined
Row calibration.
10. power-off type time relay calibrating installation calibration method, the method is using described in any one in claim 1-8
Time relay calibrating installation, it is characterised in that comprise the following steps：
Step one：According to the rated voltage and voltage specification of the tested time relay, by needed for the voltage selection on control panel
The magnitude of voltage wanted, alternating current-direct current selecting switch is switched to the alternating voltage or DC voltage of needs, and functional select switch is switched
To position 2；
Step 2：Turn on the power switch, open test switch more than 2s, close test switch, the tested time relay starts to prolong
When, the contacts status of the tested time relay of contact indicator lamp on control panel display in real time, during time delay on control panel
Between display portion show time status in real time；
Step 3：Tested time relay time delay reaches setting value, the contact indicator lamp on control panel show the time of being tested after
Contacts status after electrical equipment recovery, after the delay time display portion on control panel shows that the tested time relay stops timing
The actual time delay time；Made comparisons computing by by the actual time delay time of the tested time relay and setting delay time, obtained
Go out set error；
Step 4：Repeatedly test is made to the tested time relay and obtains the actual time delay time, by the multiple of the tested time relay
The actual time delay time makes comparisons and draws repetitive error, and the tested time relay is entered if error exceedes the scope of specification defined
Row calibration.
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| CN201710095291.0A CN106707158A (en) | 2017-02-22 | 2017-02-22 | Time relay calibration device and calibration method thereof |
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| CN201710095291.0A CN106707158A (en) | 2017-02-22 | 2017-02-22 | Time relay calibration device and calibration method thereof |
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| CN107656199A (en) * | 2017-11-06 | 2018-02-02 | 郑州市城市隧道综合管理养护中心 | With relay rapid detection apparatus directly perceived and its detection method in hand-held tunnel |
| CN108646177A (en) * | 2018-07-12 | 2018-10-12 | 中铁磁浮科技（成都）有限公司 | A kind of magnetic-levitation train electrical cubicle test device |
| CN108828442A (en) * | 2018-06-22 | 2018-11-16 | 中广核核电运营有限公司 | Time-delay relay detection device |
| CN109471020A (en) * | 2018-01-05 | 2019-03-15 | 国家电网公司 | A kind of detection of Power System Intelligent and protection output device |
| CN109490763A (en) * | 2018-09-18 | 2019-03-19 | 浙江众合科技股份有限公司 | A kind of relay single-board universal device and test method |
| CN109828203A (en) * | 2019-03-20 | 2019-05-31 | 杭州市地铁集团有限责任公司运营分公司 | A kind of relay contact automatic detection device and detection method |
| CN112053870A (en) * | 2020-07-28 | 2020-12-08 | 中广核核电运营有限公司 | Time detection system, device and method for time relay of medium voltage distribution board |
| CN112462252A (en) * | 2020-11-23 | 2021-03-09 | 帝森克罗德集团有限公司 | Synchronous switch relay calibration platform and calibration method |
| WO2021247056A1 (en) * | 2020-06-05 | 2021-12-09 | Saudi Arabian Oil Company | Electromechanical relay tester |
| CN113933628A (en) * | 2021-10-11 | 2022-01-14 | 中船黄埔文冲船舶有限公司 | Device and method for measuring multi-power supply conversion time of ship |
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| CN109471020A (en) * | 2018-01-05 | 2019-03-15 | 国家电网公司 | A kind of detection of Power System Intelligent and protection output device |
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| CN109490763A (en) * | 2018-09-18 | 2019-03-19 | 浙江众合科技股份有限公司 | A kind of relay single-board universal device and test method |
| CN109490763B (en) * | 2018-09-18 | 2021-11-02 | 浙江众合科技股份有限公司 | Universal testing device and testing method for single board of relay |
| CN109828203A (en) * | 2019-03-20 | 2019-05-31 | 杭州市地铁集团有限责任公司运营分公司 | A kind of relay contact automatic detection device and detection method |
| US11592486B2 (en) | 2020-06-05 | 2023-02-28 | Saudi Arabian Oil Company | Electromechanical relay tester |
| WO2021247056A1 (en) * | 2020-06-05 | 2021-12-09 | Saudi Arabian Oil Company | Electromechanical relay tester |
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| CN113933628A (en) * | 2021-10-11 | 2022-01-14 | 中船黄埔文冲船舶有限公司 | Device and method for measuring multi-power supply conversion time of ship |
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| CN114114000A (en) * | 2021-11-23 | 2022-03-01 | 成都飞机工业（集团）有限责任公司 | Time relay calibrating device based on SOPC |
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