CN210323211U

CN210323211U - KHJ-2 relay protection tester

Info

Publication number: CN210323211U
Application number: CN201920268823.0U
Authority: CN
Inventors: 刘桂珍; 何占军
Original assignee: Tianjin Xinkehua Electric Power Equipment Co ltd
Current assignee: Tianjin Xinkehua Electric Power Equipment Co ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-04-14
Anticipated expiration: 2029-03-04

Abstract

KHJ-2 relay protection tester, which relates to the technical field of relay protection test. KHJ-2 relay protection tester comprises a power line, an AC220V module, an AC110V module, a tested contact, a DC10A module, an AC current module, an AC ammeter, an AC/DC voltmeter, a toggle switch, an electronic milliammeter, a voltage regulator, a DC voltage module, an AC/DC adjustable voltage module, a closing button, a separating button, a clearing button, a latch button, a selector switch and a control switch, wherein the AC220V module is arranged on the right side of the power line, the toggle switch is arranged on the right side of the AC/DC voltmeter, and the selector switch is arranged on the left side of the control switch. After the technical scheme is adopted, the beneficial effects of the utility model are that: the device has the advantages of reasonable design, compact structure, convenient operation, portability and the like, is very convenient for the rising current of the relay with larger impedance, and can perform more accurate test on the action time of the time relay.

Description

KHJ-2 relay protection tester

Technical Field

The utility model relates to a relay protection test technical field, concretely relates to KHJ-2 relay protection tester.

Background

With the birth and development of power systems, relay protection is developed. The importance of the relay protection in the power system is self-evident, and therefore, the relay protection verification device plays a significant role in the stable operation of the whole power grid. The existing relay protection tester on the market at present is inconvenient for the relay with larger impedance to flow upwards, does not have a more accurate electronic millisecond meter, can not accurately test the action time of the time relay, and has the defects of inconvenient operation, inconvenient carrying and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide an KHJ-2 relay protection tester, its reasonable in design has advantages such as compact structure, convenient operation and portable, has direct output and multiple adjustable current such as multiple interchange direct current, and it is very convenient to the great relay upwelling of impedance, and is equipped with comparatively accurate electron millisecond watch, can do more accurate test to time relay's action time.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a power line 1, an AC220V module 2, an AC110V module 3, a tested contact 4, a DC10A module 5, an alternating current module 6, an alternating current meter 7, an alternating current-direct current voltmeter 8, a toggle switch 9, an electronic milliammeter 10, a voltage regulator 11, a direct current voltage module 12, an alternating current-direct current adjustable voltage module 13, a closing button 14, a tripping button 15, a zero clearing button 16, a latch button 17, a selection switch 18 and a control switch 19, wherein the AC220V module 2 is arranged on the right side of the power line 1, the AC110V module 3 is arranged on the left side of the tested contact 4, the alternating current module 6 is arranged below the DC10A module 5, the alternating current meter 7 is arranged on the left side of the alternating current-direct current voltmeter 8, the toggle switch 9 is arranged on the right side of the alternating current-direct current voltmeter 8, the voltage regulator 11 is arranged on the lower right corner of the electronic milliammeter 10, the alternating current, the clear button 16 is provided on the left side of the latch button 17, and the selection switch 18 is provided on the left side of the control switch 19.

The right side of the power cord 1 is provided with a safety button 20.

The right side of the safety button 20 is provided with a power indicator lamp 21.

A first indicator lamp 22 is arranged below the electronic milliammeter 10.

The right side of the alternating current and direct current voltmeter 8 is provided with a buzzer 23 and a second indicator lamp 24, and the buzzer 23 is arranged above the second indicator lamp 24.

And a third indicator light 25 is arranged below the voltage regulator 11.

The utility model discloses a theory of operation: 1. the starting and returning circuit of a relay with a coil of AC 50A and a DC 220V current is triggered. After the wiring is correct according to fig. 2, a relay coil is connected to a 0-50A alternating current wiring terminal, a relay contact is connected to a tested contact interface, a selection switch is turned to a normally open state, a toggle switch is turned to be kept, a voltage regulator is turned to zero, a control switch is arranged at a communicated position, after a power supply is supplied, a power indicator lamp is turned on, a closing button is pressed, an internal contactor acts, an ammeter displays 0000 at the moment, the voltage regulator rotates clockwise until the current relay contact acts, and the numerical value displayed by the ammeter at the moment is the starting current of the relay. And turning the selector switch to a normally closed state, rotating the voltage regulator anticlockwise, and then descending the ammeter data reading, wherein when the relay contact is disconnected, the numerical value displayed by the ammeter is the return current of the current relay. When the relay is started or returns current, the buzzer, the first indicator light and the indicator light are all sounded and lighted to indicate that the relay is operated while the relay is operated. 2. The starting time and the returning time of a time relay with a coil of which the direct current 220V contact is normally open are taken as the starting time and the returning time of the time relay, after a line is connected without errors according to the figure 3, the voltage regulator is returned to zero, the selection switch is opened to the normally open position, the control switch is arranged at the disconnected position, and the toggle switch is opened to the power failure. After the power supply is supplied, the switch-on button is pressed, at the moment, the internal contactor acts, and the control switch is placed at the on position. The voltage regulator is rotated clockwise until the time relay action voltage is 220V, then the control switch is placed at the off position, the zero clearing button is pressed, and at the moment, the millisecond watch displays 00000. And (3) placing the control switch at a starting time position, starting the time relay to act at the moment, starting to record by the milli-second meter until the relay contact is closed, sounding the buzzer of the contact interface to be detected once, lighting the second indicator lamp, and taking the time recorded by the milli-second meter as the starting time of the time relay. The control switch is then placed in the off position. The voltage regulator is not actuated, the switch is turned to be normally closed, the control switch is placed in the on position, and the zero clearing button causes the millisecond watch to display 00000. And (3) placing the control switch at a return time position, starting the milli-second meter to record time, sounding a buzzer of the interface of the tested contact once when the contact of the relay is opened, and lighting a second indicator lamp, wherein the time displayed by the milli-second meter is the return time of the time relay. After the test is finished, the tester is restored according to the front and back step sequence until the power supply is disconnected.

After the technical scheme is adopted, the utility model discloses beneficial effect does: its reasonable in design has advantages such as compact structure, convenient operation and portable, has direct output such as multiple alternating current direct current and multiple adjustable current, and it is very convenient to the great relay of impedance rise, and is equipped with comparatively accurate electron millisecond meter, can do more accurate test to time relay's action time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a first connection test diagram of the present invention;

fig. 3 is a second connection test chart of the present invention.

Description of reference numerals: the power supply line module comprises a power supply line 1, an AC220V module 2, an AC110V module 3, a tested contact 4, a DC10A module 5, an alternating current module 6, an alternating current ammeter 7, an alternating current and direct current voltmeter 8, a toggle switch 9, an electronic milliammeter 10, a voltage regulator 11, a direct current voltage module 12, an alternating current and direct current adjustable voltage module 13, a closing button 14, a switching-off button 15, a clear button 16, a latch button 17, a selector switch 18, a control switch 19, a safety button 20, a power indicator lamp 21, a first indicator lamp 22, a buzzer 23, a second indicator lamp 24 and a third indicator lamp 25.

Detailed Description

Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the device comprises a power line 1, an AC220V module 2, an AC110V module 3, a tested contact 4, a DC10A module 5, an alternating current module 6, an alternating current ammeter 7, an alternating current and direct current voltmeter 8, a toggle switch 9, an electronic milliammeter 10, a voltage regulator 11, a direct current voltage module 12, an alternating current and direct current adjustable voltage module 13, a closing button 14, a brake separating button 15, a zero clearing button 16, a latch button 17, a selection switch 18 and a control switch 19, wherein the AC220V module 2 and the AC110V module 3 are installed on the right side of the power line 1, the AC220V module 2 is installed at the left side of the early AV110V module 3, the tested contact 4 is installed on the right side of the AC110V module 3, the alternating current module 6 is installed below the DC10A module 5, the alternating current ammeter 8 is installed on the right side of the alternating current ammeter 7, the toggle switch 9 is installed at the right side of the direct current ammeter 8, the electronic milliammeter 10 is installed at the right side, the closing button 14 is arranged on the left side of the opening button 15, the clear button 16 is arranged on the right side of the opening button 15, the latch button 17 is arranged on the right side of the clear button 16, and latching is to temporarily store signals to maintain a certain level state. The selector switch 18 is mounted to the left of the control switch 19.

The right side of the power cord 1 is provided with a safety button 20.

The right side of the safe 20 is provided with a power indicator lamp 21.

A first indicator light 22 is installed below the electronic milliammeter 10, and the first indicator light 22 is a light emitting diode.

A buzzer 23 and a second indicator light 24 are arranged on the right side of the alternating current and direct current voltmeter 8, the second indicator light 24 is arranged below the buzzer 23, and the second indicator light 24 is a light emitting diode.

And a third indicator light 25 is arranged below the voltage regulator 11, and the third indicator light 25 is a light emitting diode.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1, KHJ-2 relay protection tester, its characterized in that: the device comprises a power line (1), an AC220V module (2), an AC110V module (3), a tested contact (4), a DC10A module (5), an alternating current module (6), an alternating current ammeter (7), an alternating current and direct current voltmeter (8), a toggle switch (9), an electronic milliammeter (10), a voltage regulator (11), a direct current voltage module (12), an alternating current and direct current adjustable voltage module (13), a closing button (14), a switching-off button (15), a zero clearing button (16), a latch button (17), a selector switch (18) and a control switch (19), wherein the AC220V module (2) is arranged on the right side of the power line (1), the AC110V module (3) is arranged on the left side of the tested contact (4), the alternating current module (6) is arranged below the DC10A module (5), the alternating current ammeter (7) is arranged on the left side of the alternating current and direct current voltmeter (8), the toggle switch (9) is arranged on the right side of, the lower right corner of the electronic milliammeter (10) is provided with a voltage regulator (11), an alternating current and direct current adjustable voltage module (13) is arranged below the direct current voltage module (12), the right side of a closing button (14) is provided with a switching-off button (15), a reset button (16) is arranged on the left side of a latch button (17), and a selector switch (18) is arranged on the left side of a control switch (19).

2. The KHJ-2 relay protection tester of claim 1, wherein: the right side of the power line (1) is provided with a safety button (20).

3. The KHJ-2 relay protection tester of claim 2, wherein: and a power indicator lamp (21) is arranged on the right side of the safety button (20).

4. The KHJ-2 relay protection tester of claim 1, wherein: a first indicator lamp (22) is arranged below the electronic milliammeter (10).

5. The KHJ-2 relay protection tester of claim 1, wherein: a buzzer (23) and a second indicator light (24) are arranged on the right side of the alternating current-direct current voltmeter (8), and the buzzer (23) is arranged above the second indicator light (24).

6. The KHJ-2 relay protection tester of claim 1, wherein: and a third indicator light (25) is arranged below the voltage regulator (11).