CN205787016U - Handcart circuit breaker mechanical characteristic test special purpose device - Google Patents

Abstract

This utility model relates to a kind of test special purpose device, a kind of handcart circuit breaker mechanical characteristic test special purpose device, belongs to handcart circuit breaker equipment technical field.It includes miscellaneous function case, Special adapter plug and breaker mechanic property tester, sub-gate signal input jack connects the separating brake jack of mechanic character tester by wire, switching signal input jack connects the combined floodgate jack of mechanic character tester by wire, accumulation power supply input jack connects the spring energy-storage power supply output plughole of miscellaneous function case by wire, and unblock power input jack electrically unlocks power supply output plughole by wire connection miscellaneous function case.This utility model is easy to operate, practical, it is to avoid the artificial wiring of complicated poor efficiency, energy storage and the unlocked step of dangerous property, substantially increases the accuracy of experiment work, safety and efficiency.

Description

Special device for mechanical characteristic test of handcart circuit breaker

technical field

The utility model relates to a special test device, in particular to a special test device for the mechanical characteristics of a handcart circuit breaker, which belongs to the technical field of handcart circuit breaker equipment.

Background technique

The handcart circuit breaker is one of the most widely used primary devices in substations, and plays a vital role in the safe and stable operation of the power grid. The mechanical characteristic data of the circuit breaker is an important index to test the performance of the circuit breaker, and it is usually tested by the mechanical characteristic test. Most of the secondary wiring between the handcart circuit breaker and the switch cabinet is connected through aviation plugs, and the pins of the opening and closing circuits need to be drawn out during testing. The aviation plug on the existing handcart circuit breaker is small in size and the internal pin design is compact, especially the VPR type handcart circuit breaker produced by Xidian Mitsubishi, which is widely used. The distance between adjacent pins in the aviation plug is only 5mm. Traditional wire clamps are difficult to clamp, easy to fall off and touch by mistake, and even cause short circuit and electric shock. In addition, since the current circuit breaker mechanical characteristic tester can only output the opening and closing control signals, but cannot provide the circuit breaker spring energy storage power supply and closing unlocking signal, it requires manual energy storage and unlocking operations during the test, which is time-consuming and laborious. There are many risk factors.

Contents of the invention

The purpose of this utility model is to overcome the above disadvantages, thereby providing a special device for testing the mechanical characteristics of handcart circuit breakers, which has a reasonable structure, convenient operation, strong practicability, and avoids complicated and inefficient manual wiring, energy storage and unlocking Steps, greatly improving the accuracy, safety and efficiency of the test work.

According to the technical solution provided by the utility model, the special device for testing the mechanical characteristics of the handcart circuit breaker includes an auxiliary function box, a special adapter plug and a tester for the mechanical characteristics of the circuit breaker. The lower right half of the front of the auxiliary function box is equipped with a spring energy storage power output jack and an electrical unlocking power output jack; DC circuit; the top of the special adapter plug is provided with an aviation plug jack, and the position, quantity, number, and arrangement of the aviation plug jacks are precisely consistent with the pins in the circuit breaker aviation plug; the side of the special adapter plug is set in turn. There are opening signal input jacks, closing signal input jacks, energy storage power input jacks and unlocking power input jacks. The opening signal input jacks are connected to the opening jacks of the mechanical characteristic tester through wires, and the closing signal The input jack is connected to the closing jack of the mechanical characteristic tester through wires, the energy storage power input jack is connected to the spring energy storage power output jack of the auxiliary function box through wires, and the unlocking power input jack is connected to the electrical outlet of the auxiliary function box through wires. Unlock the power output jack.

Further, the spring energy storage power output jack and the electrical unlocking power output jack are distributed up and down.

Further, a first control button is provided below the liquid crystal display, and the first control button is used to turn on and off the liquid crystal display.

Further, a second control button is provided on the right side of the output jack of the spring energy storage power supply, and the second control button controls the opening and closing of the spring energy storage power supply.

Further, a third control button is provided on the right side of the electrical unlocking power output jack, and the third control button controls the opening and closing of the electrical unlocking power supply.

Further, the AC-to-DC circuit includes a power module, a rectifier module, a voltage stabilizing module and a filter module connected in the circuit. The AC-to-DC circuit converts the 380V AC voltage of the mains into a 220V DC voltage as the closing and unlocking power supply.

Further, a first LED indicator light is provided on the right side of the opening signal input jack.

Further, a second LED indicator light is provided on the right side of the closing signal input jack.

Further, a third LED indicator light is provided on the right side of the energy storage power input jack.

Furthermore, a fourth LED indicator light is provided on the right side of the unlocking power input jack.

Compared with the prior art, the utility model has the following advantages:

The utility model has simple, compact and reasonable structure, convenient operation and strong practicability, avoids complicated and inefficient manual wiring, energy storage and dangerous unlocking steps, and greatly improves the accuracy, safety and efficiency of test work.

Description of drawings

Figure 1 is the front view of the auxiliary function box.

Figure 2 is the front view of the dedicated adapter plug.

Figure 3 is a front view of the aviation plug jack.

Fig. 4 is a structural diagram of the utility model.

Explanation of reference signs: 1-auxiliary function box, 2-special adapter plug, 3-liquid crystal display, 4-spring energy storage power output jack, 5-electrical unlocking power output jack, 6-power jack, 7 -Ground jack, 8A-first control button, 8B-second control button, 8C-third control button, 9-aviation plug jack, 10-opening signal input jack, 11-closing signal input jack , 12-energy storage power input jack, 13-unlock power input jack, 14A-first LED indicator, 14B-second LED indicator, 14C-third LED indicator, 14D-fourth LED indicator, 15- Circuit breaker mechanical characteristic tester.

detailed description

Below the utility model will be further described in conjunction with the embodiment in the accompanying drawing:

As shown in FIG. 4 , the utility model mainly includes an auxiliary function box 1 , a special adapter plug 2 and a circuit breaker mechanical characteristic tester 15 .

As shown in Fig. 1, a liquid crystal display 3 is provided on the upper front of the auxiliary function box 1, and the liquid crystal display 3 is used to display the opening and closing, energy storage and unlocking status of the circuit breaker in real time. Auxiliary function box 1 front lower right half is provided with spring energy storage power output jack 4 and electrical unlocking power output jack 5, and spring energy storage power output jack 4 and electrical unlocking power output jack 5 are distributed up and down. The spring energy storage power supply output jack 4 is used to provide the energy storage power required for the circuit breaker spring energy storage, and the electrical unlocking power supply output jack 5 is used to provide the unlocking power required for the circuit breaker closing operation. Auxiliary function box 1 is provided with a power jack 6 and a grounding jack 7 in the lower left half of the front. The power jack 6 is used to access the 380V AC voltage of the mains, and the grounding jack 7 is used for device protection grounding.

A first control button 8A is arranged below the LCD 3, and the first control button 8A is used to turn on and off the LCD 3.

The right side of the spring energy storage power supply output jack 4 is provided with a second control button 8B, and the second control button 8B controls the opening and closing of the spring energy storage power supply.

The right side of the electrical unlocking power supply output jack 5 is provided with a third control button 8C, and the third control button 8C controls the opening and closing of the electrical unlocking power supply.

Auxiliary function box 1 is provided with an AC-to-DC circuit inside. The AC-to-DC circuit includes a power supply module, a rectifier module, a voltage stabilizing module and a filter module connected in the circuit. The AC-to-DC circuit converts the 380V AC voltage of the mains into 220V The DC voltage is used as the power source for closing and unlocking.

As shown in Figure 3, the top of the special adapter plug 2 is provided with an aviation plug jack 9 that matches the aviation plug on the side of the VPR type circuit breaker produced by Xidian Mitsubishi Corporation. The position, quantity, number and arrangement of the aviation plug jacks 9 The methods are all precisely consistent with the pins in the aviation plug of the VPR type circuit breaker produced by Xidian Mitsubishi Corporation, so that the aviation plug on the side of the VPR type circuit breaker can be smoothly inserted into the aviation plug jack 9.

As shown in Figure 2, the side of the special adapter plug 2 is provided with an opening signal input jack 10, a closing signal input jack 11, an energy storage power input jack 12, and an unlocking power input jack 13. The input jack 10 is connected to the opening jack of the mechanical characteristic tester 15 through wires, and the opening signal input jack 10 is used to access the opening control signal provided by the circuit breaker mechanical characteristic tester 15 . The closing signal input jack 11 is connected to the closing jack of the mechanical characteristic tester 15 through wires, and the closing signal input jack 11 is used to access the closing control signal provided by the circuit breaker mechanical characteristic tester 15 . The energy storage power input jack 12 is connected to the spring energy storage power output jack 4 of the auxiliary function box 1 by a wire, and the energy storage power input jack 12 is used to access the spring energy storage power provided by the auxiliary function box. The unlocking power input jack 13 is connected to the electrical unlocking power output jack 5 of the auxiliary function box 1 by a wire, and the unlocking power input jack 13 is used to access the closing and unlocking power provided by the auxiliary function box.

The right side of the opening signal input jack 10 is provided with a first LED indicator light 14A, and the first LED indicator light 14A is used to indicate whether the circuit connected to the opening signal input jack 10 is on or off. The right side of the closing signal input jack 11 is provided with a second LED indicator light 14B, and the second LED indicator light 14B is used to indicate whether the circuit connected to the closing signal input jack 11 is on or off. The right side of the energy storage power input jack 12 is provided with a third LED indicator light 14C, and the third LED indicator light 14C is used to indicate whether the circuit connected to the energy storage power input jack 12 is on or off. The right side of the unlocking power input jack 13 is provided with a fourth LED indicator light 14D, and the fourth LED indicator light 14D is used to indicate whether the circuit connected to the unlocking power input jack 13 is on or off.

When carrying out the mechanical characteristic test of the handcart circuit breaker, the special adapter plug 2 is docked with the aviation plug on the side of the handcart circuit breaker, and the control lines and power lines of each circuit are connected with the circuit breaker mechanical characteristic tester 15 and the auxiliary function box 1, and then lead out to the On the special adapter plug 2, each circuit is connected respectively, and the corresponding indicator light is on, and the operation of opening and closing, energy storage and unlocking can be realized by operating the instrument.

In the embodiment, the operation method of the present utility model is:

1. Insert the energy storage and unlocking circuit control lines provided by the auxiliary function box into the energy storage and unlocking power input jacks on the side of the special adapter plug respectively.

2. If the opening operation is performed, insert the opening circuit control line provided by the circuit breaker mechanical characteristic tester into the opening signal input jack on the side of the special adapter plug; if the closing operation is performed, the circuit breaker mechanical The closing circuit control line provided by the characteristic tester is inserted separately into the closing signal input jack on the side of the special adapter plug.

3. Connect the ground wire well, and check that there is no problem with the device and wiring.

4. Turn on the power supply of the circuit breaker mechanical characteristic tester and the auxiliary function box, and operate the instrument for testing. The energy storage and unlocking functions can be activated or deactivated at any time through the control buttons on the panel of the auxiliary function box. The opening and closing, energy storage and unlocking status of the circuit breaker can be displayed on the LCD screen in real time, and the LED indicators can indicate the connection status of each circuit.

The utility model has reasonable structure, convenient operation and strong practicability, avoids complicated and inefficient manual wiring, energy storage and dangerous unlocking steps, and greatly improves the accuracy, safety and efficiency of test work.

Claims (10)

1. A special device for testing the mechanical characteristics of a handcart circuit breaker, including an auxiliary function box (1), a special adapter plug (2) and a circuit breaker mechanical characteristic tester (15), characterized in that: the auxiliary function box (1) There is a liquid crystal display (3) on the upper front, the auxiliary function box (1) is equipped with a spring energy storage power output jack (4) and an electrical unlocking power output jack (5) on the right half of the lower front, and the auxiliary function box (1 ) There are power jacks (6) and grounding jacks (7) on the lower left half of the front, and an AC-to-DC circuit inside the auxiliary function box (1); there is an aviation plug jack on the top of the special adapter plug (2) (9), the position, quantity, serial number, and arrangement of the aviation plug jacks (9) are precisely consistent with the pins in the circuit breaker aviation plug; hole (10), closing signal input jack (11), energy storage power input jack (12) and unlocking power input jack (13), opening signal input jack (10) is connected to the mechanical characteristic tester through wires The opening jack of (15), the closing signal input jack (11) is connected to the closing jack of the mechanical characteristic tester (15) through wires, and the energy storage power input jack (12) is connected to the auxiliary function box ( 1) The spring energy storage power output jack (4) and the unlocking power input jack (13) are connected to the electrical unlocking power output jack (5) of the auxiliary function box (1) through wires. 2. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: the spring energy storage power output jack (4) and the electrical unlocking power output jack (5) are distributed up and down. 3. The special device for mechanical characteristic test of handcart circuit breaker according to claim 1, characterized in that: there is a first control button (8A) under the liquid crystal display (3), and the first control button (8A) is used to for turning the LCD display on and off (3). 4. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: there is a second control button (8B) on the right side of the output jack (4) of the spring energy storage power supply, and the second control button (8B) is The button (8B) controls the opening and closing of the spring energy storage power supply. 5. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: there is a third control button (8C) on the right side of the electrical unlocking power output jack (5), and the third control button (8C) Control the opening and closing of the electrical unlocking power supply. 6. The special device for mechanical characteristic test of handcart circuit breaker as claimed in claim 1, characterized in that: said AC-to-DC circuit includes a power supply module, a rectifier module, a voltage stabilizing module and a filter module connected in the circuit, and the AC-to-DC circuit The DC circuit converts the 380V AC voltage of the mains into a 220V DC voltage as the closing and unlocking power supply. 7. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: a first LED indicator light (14A) is provided on the right side of the opening signal input jack (10). 8. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: a second LED indicator light (14B) is provided on the right side of the closing signal input jack (11). 9. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: a third LED indicator light (14C) is provided on the right side of the energy storage power supply input jack (12). 10. The special device for testing the mechanical characteristics of the handcart circuit breaker according to claim 1, characterized in that: a fourth LED indicator light (14D) is provided on the right side of the unlocking power input jack (13).