CN206557347U - A kind of relay checking instrument - Google Patents
A kind of relay checking instrument Download PDFInfo
- Publication number
- CN206557347U CN206557347U CN201720240983.5U CN201720240983U CN206557347U CN 206557347 U CN206557347 U CN 206557347U CN 201720240983 U CN201720240983 U CN 201720240983U CN 206557347 U CN206557347 U CN 206557347U
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- Prior art keywords
- power supply
- voltage
- casing
- switch
- relay
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- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of relay checking instrument, including casing, box house bottom is respectively equipped with voltage-stabilized power supply and slide rheostat, direct current stepping motor is installed with the madial wall of casing, the output end of direct current stepping motor is fixedly connected with ball-screw, the two ends of ball-screw are connected with the bearing block being installed on box inside wall, ball-screw is provided with nut, nut is fixedly connected with the sliding block on slide rheostat, the lateral surface of casing is provided with digital voltmeter and digital electronic ammeter, top is provided with relay base, voltage-stabilized power supply switch is additionally provided with lateral surface, switching switch is put in motor reversing switch and suction.The utility model controls slide rheostat to realize continuously adjusting for voltage using the structure of stepper motor and ball-screw, it is convenient and swift, the voltage and current of adhesive and release process is directly read by digital voltmeter and digital electronic ammeter, it is relatively more directly perceived, reasonable in design, compact conformation is compact.
Description
Technical field
The utility model is related to technical field of electric equipment, more particularly to a kind of relay checking instrument.
Background technology
At present, when power system assembles control relay circuit, to ensure control circuit reliability of operation, it is necessary to right
Operation voltage value, release voltage value, action current value and the dropping current strength of each relay are verified.These projects are all needed
Special tester is wanted to complete, although instrumentation is multiple functional, verification is more accurate, but the weak point existed is
Special calibration equipment is bulky, and inconvenience is mobile and carries, and is not excessively harsh electric power assembling in some small-sized and requirements
Occasion, need not also use this instrumentation.
Utility model content
The purpose of this utility model is and a kind of relay checking proposed in order to solve shortcoming present in prior art
Instrument.
To achieve these goals, the utility model employs following technical scheme：
A kind of relay checking instrument, including casing, the box house bottom are respectively equipped with voltage-stabilized power supply and slide variable resistance
Device, the two ends of the resistance coil of the slide rheostat are electrically connected with the output end of voltage-stabilized power supply respectively, the inner side of the casing
Direct current stepping motor is installed with wall, the output end of the direct current stepping motor is fixedly connected with ball-screw, institute
The two ends for stating ball-screw are connected with the bearing block being installed on box inside wall, and the ball-screw is provided with nut, described
Nut is fixedly connected by connecting rod with the sliding block on slide rheostat, and the lateral surface of the casing is provided with digital voltmeter sum
Word current table, the top of the casing, which is provided with relay base, the lateral surface of the casing, is additionally provided with voltage-stabilized power supply switch, electricity
Switching switch is put in machine reversing switch and suction, and the voltage-stabilized power supply switch is electrically connected with the input of voltage-stabilized power supply.
It is preferred that, the terminals of the digital electronic ammeter respectively with the sliding block on slide rheostat, relay base
Power supply terminal is electrically connected, one end of another power supply terminal on the relay base and the resistance coil on slide rheostat
Electrical connection.
It is preferred that, the terminals of the digital voltmeter are electrically connected with two power supply terminals on relay base respectively.
It is preferred that, the motor reversing switch is three two formulas switches, and two lead-out terminal is electrically connected direct current
The input of stepping motor, two input terminal is electrically connected the output end of voltage-stabilized power supply.
It is preferred that, it is described suction put switching switch for 2/2-way formula switch, its two input terminal respectively with relay base
On a normally opened contact stationary contact and normally-closed contact stationary contact electrical connection, its two lead-out terminal is in parallel, normally opened touch
After the movable contact of point and the movable contact of normally-closed contact are in parallel, the circuit that motor reversing switch is connected with voltage-stabilized power supply is connected on
In.
In the utility model, slide rheostat is controlled to realize the company of voltage using the structure of stepper motor and ball-screw
Continuous regulation, it is convenient and swift, the stopping of stepping motor is controlled by the adhesive and release of electromagnetic relay, so as to quickly determine
The position of slide rheostat top shoe, and adhesive is directly read by digital voltmeter and digital electronic ammeter and the electricity of process is discharged
Pressure and electric current, relatively more directly perceived, reasonable in design, compact conformation is compact, is easy to carry.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is circuit connection diagram of the present utility model.
In figure：1 casing, 2 voltage-stabilized power supplies, 3 slide rheostats, 4 direct current stepping motors, 5 ball-screws, 6 bearing blocks, 7
Voltage-stabilized power supply switch, 8 nuts, 9 digital voltmeters, 10 digital electronic ammeters, 11 relay bases, 12, which are inhaled, puts switching switch, 13 electricity
Machine reversing switch；
DC voltage-stabilized power supplies, SQ1 motor reversing switchs, SQ2, which inhale, puts switching switch, KM relay bases terminal, A digital currents
Table, V digital voltmeters, M direct current stepping motors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Reference picture 1-2, a kind of relay checking instrument, including casing 1, the inner bottom of casing 1 are respectively equipped with the He of voltage-stabilized power supply 2
Slide rheostat 3, the output end of the two ends of the resistance coil of slide rheostat 4 respectively with voltage-stabilized power supply 2 is electrically connected, casing 1
Direct current stepping motor 4 is installed with madial wall, the output end of direct current stepping motor 4 is fixedly connected with ball-screw 5,
The two ends of ball-screw 5 are connected with the bearing block 6 being installed on the madial wall of casing 1, and ball-screw 5 is provided with nut 8, nut 8
It is fixedly connected by connecting rod with the sliding block on slide rheostat 3, the lateral surface of casing 1 is provided with digital voltmeter 9 and numeral electricity
Flow table 10, the terminals of digital electronic ammeter 10 respectively with the power supply terminal on the sliding block on slide rheostat 3, relay base 11
Another power supply terminal on electrical connection, relay base 11 is electrically connected with one end of the resistance coil on slide rheostat 3, number
The terminals of word voltmeter 9 are electrically connected with two power supply terminals on relay base 11 respectively, and the top of casing 1 is provided with relay
Voltage-stabilized power supply switch 7, motor reversing switch 13 and suction are additionally provided with device base 11, the lateral surface of casing 1 and puts switching switch 12, surely
Piezoelectricity source switch 7 is electrically connected with the input of voltage-stabilized power supply 2, and motor reversing switch 13 is three two formulas switches, and two is defeated
Go out the input that terminal is electrically connected direct current stepping motor 4, two input terminal is electrically connected the defeated of voltage-stabilized power supply 2
Go out end, it is 2/2-way formula switch that switching switch 12 is put in suction, its two input terminal respectively with one on relay base 11 often
The stationary contact electrical connection of the stationary contact and a normally-closed contact of contact is opened, its two lead-out terminal is in parallel, the movable contact of normally opened contact
After the movable contact parallel connection of normally-closed contact, it is connected in the circuit that motor reversing switch 13 is connected with voltage-stabilized power supply 2.
Operation principle：The input of voltage-stabilized power supply 2 (DC) when in use, is connected civil power, presses voltage stabilizing by the utility model
Power switch 7 makes system energization, and relay to be detected is installed on relay base 11, and suction is put into 12 (SQ2) of switching switch
The state being connected with normally-closed contact is switched to, the motor reversing switch 13 (SQ1) in neutral is switched into rotating forward state, this
Shi Zhiliu stepping motors 4 (M) work, and drive ball-screw 5 to rotate, the nut 8 on ball-screw 5 is stirred slide rheostat
Sliding block on 3, with increasing for relay to be detected inside electromagnetic coil both end voltage, when reaching its pick-up voltage value, relay
Device works, and its normally-closed contact disconnects, and direct current stepping motor 4 (M) stops operating, and can now pass through digital voltmeter 9 and numeral
Ammeter 10 reads pick-up voltage value and pickup value respectively；Motor reversing switch 13 (SQ1) is switched into neutral, then will be inhaled
Put 12 (SQ2) of switching switch and switch to the state (now normally opened contact is in closure state) being connected with normally opened contact, by electricity
Machine reversing switch 13 (SQ1) switches to inverted status, and now direct current stepping motor 4 (M) is rotated backward, and ball-screw 5 drives
Sliding block reverse movement on nut 8 and slide rheostat 3, with the gradually drop of electromagnetic coil both end voltage inside relay to be detected
Low, when reaching release voltage, state of the relay recovery to before detecting, the normally opened contact now closed is again off, direct current
Stepping motor 4 stops operating, and can now read release voltage value respectively by digital voltmeter 9 and digital electronic ammeter 10 and release
Electric discharge flow valuve；Can be by repeated detection averaged, to obtain more accurately data.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of relay checking instrument, including casing (1), it is characterised in that：Casing (1) inner bottom is respectively equipped with voltage stabilizing
Power supply (2) and slide rheostat (3), the two ends of the resistance coil of the slide rheostat (3) are defeated with voltage-stabilized power supply (2) respectively
Go out on end electrical connection, the madial wall of the casing (1) and be installed with direct current stepping motor (4), the direct current stepping is electronic
The output end of machine (4) is fixedly connected with ball-screw (5), and the two ends of the ball-screw (5), which are connected with, to be installed in casing (1)
Bearing block (6) on the wall of side, the ball-screw (5) is provided with nut (8), and the nut (8) is by connecting rod with sliding variable resistance
Sliding block on device (3) is fixedly connected, and the lateral surface of the casing (1) is provided with digital voltmeter (9) and digital electronic ammeter (10),
The top of the casing (1), which is provided with relay base (11), the lateral surface of the casing (1), is additionally provided with voltage-stabilized power supply switch
(7), switching switch (12), the voltage-stabilized power supply switch (7) and the input of voltage-stabilized power supply (2) are put in motor reversing switch (13) and suction
End electrical connection.
2. a kind of relay checking instrument according to claim 1, it is characterised in that the wiring of the digital electronic ammeter (10)
End is electrically connected with the power supply terminal on the sliding block on slide rheostat (3), relay base (11) respectively, the relay base
(11) another power supply terminal on is electrically connected with one end of the resistance coil on slide rheostat (3).
3. a kind of relay checking instrument according to claim 1, it is characterised in that the wiring of the digital voltmeter (9)
End is electrically connected with two power supply terminals on relay base (11) respectively.
4. a kind of relay checking instrument according to claim 1, it is characterised in that the motor reversing switch (13) is three
Position two formulas switch, two lead-out terminal is electrically connected the input of direct current stepping motor (4), two input terminal
It is electrically connected the output end of voltage-stabilized power supply (2).
5. a kind of relay checking instrument according to claim 1, it is characterised in that it is two that switching switch (12) is put in the suction
Position two formulas switch, its two input terminal is normal with the stationary contact of a normally opened contact on relay base (11) and one respectively
The stationary contact electrical connection of closed contact, the movable contact of the parallel connection of its two lead-out terminal, the movable contact of normally opened contact and normally-closed contact is in parallel
Afterwards, it is connected in the circuit that motor reversing switch (13) is connected with voltage-stabilized power supply (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720240983.5U CN206557347U (en) | 2017-03-06 | 2017-03-06 | A kind of relay checking instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720240983.5U CN206557347U (en) | 2017-03-06 | 2017-03-06 | A kind of relay checking instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206557347U true CN206557347U (en) | 2017-10-13 |
Family
ID=60364203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720240983.5U Expired - Fee Related CN206557347U (en) | 2017-03-06 | 2017-03-06 | A kind of relay checking instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206557347U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741562A (en) * | 2017-10-30 | 2018-02-27 | 辽东学院 | A tester for intelligent starting relays for automobiles |
| CN113658827A (en) * | 2021-08-06 | 2021-11-16 | 贵州天义电器有限责任公司 | Multifunctional relay parameter adjusting device |
| CN115684916A (en) * | 2022-11-16 | 2023-02-03 | 中国铁路沈阳局集团有限公司苏家屯机务段 | Overcurrent relay detection device and method |
| CN115902611A (en) * | 2022-11-24 | 2023-04-04 | 国网四川省电力公司映秀湾水力发电总厂 | Relay calibration method and device and calibrator |
-
2017
- 2017-03-06 CN CN201720240983.5U patent/CN206557347U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741562A (en) * | 2017-10-30 | 2018-02-27 | 辽东学院 | A tester for intelligent starting relays for automobiles |
| CN113658827A (en) * | 2021-08-06 | 2021-11-16 | 贵州天义电器有限责任公司 | Multifunctional relay parameter adjusting device |
| CN113658827B (en) * | 2021-08-06 | 2024-06-11 | 贵州天义电器有限责任公司 | Multifunctional relay parameter adjusting device |
| CN115684916A (en) * | 2022-11-16 | 2023-02-03 | 中国铁路沈阳局集团有限公司苏家屯机务段 | Overcurrent relay detection device and method |
| CN115902611A (en) * | 2022-11-24 | 2023-04-04 | 国网四川省电力公司映秀湾水力发电总厂 | Relay calibration method and device and calibrator |
| CN115902611B (en) * | 2022-11-24 | 2024-03-19 | 国网四川省电力公司映秀湾水力发电总厂 | Relay calibration method, device and calibrator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20180306 |