Low-voltage power-on test equipment vehicle with capacitive load

Abstract

The utility model relates to the technical field of low-voltage product detection, in particular to a low-voltage power-on test equipment vehicle with a capacitive load, which comprises a test equipment vehicle main body and a loop control system for controlling the test equipment vehicle main body, the test equipment vehicle main body comprises an equipment vehicle box, and an operation panel, an instrument panel and a danger warning lamp which are mounted at the top of the equipment vehicle box; a loop control chamber and a tool storage chamber are formed in the equipment compartment, and the loop control system is installed in the loop control chamber; the loop control system is connected with the capacitor and the multifunctional digital display meter; wherein the capacitor is used for a capacitive load test of low-voltage equipment; and the multifunctional digital display meter is used for acquiring effective data fed back by the test equipment vehicle main body in the running state. According to the low-voltage power-on test equipment vehicle with the capacitive load, the test equipment vehicle has complete electrical interlocking through innovative combination and matching of multifunctional elements, so that personal safety is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure product detection technical field, concretely is with capacitive load low voltage power on test equipment car. BACKGROUND

[0002] Low voltage products are widely used in power systems, and the test results of the products directly affect the safety and stability of the products. If the low voltage product test equipment is not good, it will directly affect the operation safety and service life of the low voltage product. The traditional low voltage test vehicle is heavy in appearance, and it is inconvenient to push and pull during daily use of the equipment, and the space of the product site is limited, and the operation is not convenient. Moreover, the output clamp needs to be replaced to the terminal position corresponding to each function during the test, which greatly affects the convenience of low voltage product test, and the output clamp may be touched by mistake after the power is turned off, resulting in electric shock safety accident.

[0003] In view of the above problems, we propose a low voltage power on test equipment car with capacitive load. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a low voltage power on test equipment car with capacitive load to solve the problems in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The low voltage power on test equipment car with capacitive load comprises:

[0007] A test equipment car body and a loop control system for controlling the test equipment car body;

[0008] The test equipment car body comprises:

[0009] An equipment car box, an operation panel, an instrument panel and a danger warning lamp installed on the top of the equipment car box;

[0010] The inside of the equipment car box is provided with a loop control room and a tool storage room, and the loop control system is installed in the inside of the loop control room;

[0011] The loop control system is connected with a capacitor and a multifunctional digital display meter;

[0012] The capacitor is used for capacitive load test of low voltage equipment;

[0013] The multifunctional digital display meter is used for obtaining effective data fed back by the test equipment car body in the running state.

[0014] Preferably, the circuit control system is connected with several power output lines, the power output lines are connected with power output line clamps, and the power output lines are externally sleeved with wire harness protection sleeves.

[0015] Preferably, the circuit control system comprises:

[0016] The several miniature circuit breakers are respectively a miniature circuit breaker 1QF, a miniature circuit breaker 2QF, a miniature circuit breaker 3QF, a miniature circuit breaker 4QF, a miniature circuit breaker 5QF and a miniature circuit breaker 6QF.

[0017] The miniature circuit breaker 1QF is a 2P miniature circuit breaker, the miniature circuit breaker 1QF is connected with a power switch, and single-phase AC220V is input.

[0018] The miniature circuit breaker 2QF is a 2P miniature circuit breaker, the miniature circuit breaker 2QF is connected with the power switch, and the power switch is connected with a DC24 power module.

[0019] The miniature circuit breaker 3QF is a 3P miniature circuit breaker, the miniature circuit breaker 3QF is connected with a fuse 1FU, the fuse 1FU is connected with an AC contactor 1KM, and the AC contactor 1KM is connected with an electric leakage switch.

[0020] The miniature circuit breaker 4QF is a 3P+N miniature circuit breaker, the miniature circuit breaker 4QF is connected with a fuse 2FU, the fuse 2FU is connected with an AC contactor 2KM, and the AC contactor 2KM is connected with the electric leakage switch.

[0021] The miniature circuit breaker 5QF is a 1P miniature circuit breaker, the miniature circuit breaker 5QF is connected with an AC contactor 3KM, and the AC contactor 3KM is connected with the electric leakage switch.

[0022] The miniature circuit breaker 6QF is a 3P miniature circuit breaker, the miniature circuit breaker 6QF is connected with an AC contactor 4KM, and the AC contactor 4KM is connected with a capacitor power switch.

[0023] Preferably, the circuit control system further comprises:

[0024] The secondary fuse FU4 of the input 220V power supply is connected with a tripping button 1SBS, the tripping button 1SBS is connected with an intermediate relay KA2, the intermediate relay KA2 is connected with an intermediate relay KA3, the intermediate relay KA3 is connected with an intermediate relay KA1, the intermediate relay KA1 is connected with the tripping button 1SB, and two AC contactors KM1 are connected with three-phase indicator lamps 1HR and 1HG.

[0025] Preferably, the circuit control system further comprises:

[0026] The secondary fuse FU4 is connected with the on-off button 2SBS, the on-off button 2SBS is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the on-off button 2SB, and the two alternating current contactors KM2 are connected with the three-phase indicator lamps 2HR and 2HG.

[0027] Preferably, the loop control system further comprises:

[0028] The secondary fuse FU4 is connected with the on-off button 3SBS, the on-off button 3SBS is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the on-off button 3SB, and the two alternating current contactors KM3 are connected with the three-phase indicator lamps 3HR and 3HG.

[0029] Preferably, the loop control system further comprises:

[0030] The secondary fuse FU4 is connected with the on-off button 4SBS, the on-off button 4SBS is connected with the on-off button 4SB, and the two alternating current contactors KM4 are connected with the three-phase indicator lamps 4HR and 4HG.

[0031] Preferably, the loop control system further comprises:

[0032] The LED lighting lamp, the warning lamp HJ, the three-phase indicator lamps 5HY, 5HG and 5HR are connected with the secondary fuses FU1, FU3 and FU3 respectively.

[0033] Preferably, the loop control system further comprises:

[0034] The 24V power conversion module is connected with the DC 24V fire-fighting test power supply, and the positive electrode of the 24V power conversion module is connected with the buzzer HF.

[0035] Compared with the prior art, the utility model has the advantages that:

[0036] The low-voltage power-on test equipment vehicle with capacitive load of the utility model realizes the protection of personal safety by the complete electrical interlocking of the innovative multifunctional element combination. BRIEF DESCRIPTION OF DRAWINGS

[0037] Fig. 1 It is a structural schematic diagram of the utility model;

[0038] Fig. 2The utility model discloses main loop primary system structure schematic drawing.

[0039] Fig. 3 The utility model discloses control loop secondary system structure schematic drawing.

[0040] In the drawing,

[0041] 1, equipment car main body, 2, operating panel, 3, instrument panel, 4, loop control room, 5, tool storage room, 6, danger warning light, 7, wire harness protection sleeve, 8, power output line, 9, power output line clamp. Specific implementation

[0042] The technical scheme in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0043] Embodiment 1

[0044] Please refer to Figs. 1-3 Capacitive load low-voltage power-on test equipment car, comprising:

[0045] Test equipment car main body and loop control system for controlling test equipment car main body;

[0046] The test equipment car main body comprises:

[0047] Equipment car box 1 and operating panel 2, instrument panel 3 and danger warning light 6 installed on the top of equipment car box 1;

[0048] The inside of equipment car box 1 is provided with loop control room 4 and tool storage room 5, and the loop control system is installed in the inside of loop control room 4;

[0049] The loop control system is connected with capacitor and multifunctional digital display meter;

[0050] The capacitor is used for capacitive load test of low-voltage equipment.

[0051] The multifunctional digital display meter is used for obtaining effective data fed back by test equipment car main body in running state.

[0052] The loop control system is connected with several power output lines 8, the power output lines 8 are connected with power output line clamp 9, and the outside of power output line 8 is provided with wire harness protection sleeve 7.

[0053] Embodiment 2

[0054] On the basis of embodiment 1, further disclosed is a main loop primary system of the loop control system.

[0055] As Fig. 2 shown, the loop control system comprises:

[0056] A plurality of miniature circuit breakers, respectively, miniature circuit breaker 1QF, miniature circuit breaker 2QF, miniature circuit breaker 3QF, miniature circuit breaker 4QF, miniature circuit breaker 5QF, miniature circuit breaker 6QF;

[0057] The miniature circuit breaker 1QF adopts a 2P miniature circuit breaker, the miniature circuit breaker 1QF is connected with a power switch, and single-phase AC220V is input, the power switch is connected with a ground plug, and temporary power supply for other equipment and testing on site is provided;

[0058] The miniature circuit breaker 2QF adopts a 2P miniature circuit breaker, the miniature circuit breaker 2QF is connected with a power switch, the power switch is connected with a DC24 power module, and the fire signal of the detection equipment can be correctly tripped to the corresponding output switch;

[0059] The miniature circuit breaker 3QF adopts a 3P miniature circuit breaker, the 3P miniature circuit breaker outputs three-phase AC400V, 1 way, and directly controls the output of the contactor through the power panel button, and is used for testing when the zero ground of the equipment is short-circuited, the miniature circuit breaker 3QF is connected with a fuse 1FU, the fuse 1FU is connected with an AC contactor 1KM, and the AC contactor 1KM is connected with a leakage switch;

[0060] The miniature circuit breaker 4QF adopts a 3P+N leakage miniature circuit breaker, the 3P+N leakage miniature circuit breaker outputs three-phase AC400V, 1 way, and directly controls the output of the contactor through the power panel button, and the leakage current is ≤30mA, which can protect the personal safety of the tester, the miniature circuit breaker 4QF is connected with a fuse 2FU, the fuse 2FU is connected with an AC contactor 2KM, and the AC contactor 2KM is connected with a leakage switch;

[0061] The miniature circuit breaker 5QF adopts a 1P miniature circuit breaker, the 1P miniature circuit breaker outputs single-phase AC220V, 1 way, and directly controls the output of the contactor through the power panel button, and is used for testing the phase sequence detection and open-phase protection function test of the power loop of the product, the miniature circuit breaker 5QF is connected with an AC contactor 3KM, and the AC contactor 3KM is connected with a leakage switch;

[0062] The miniature circuit breaker 6QF adopts a 3P miniature circuit breaker, the 3P miniature circuit breaker inputs three-phase AC 400V, 1 way, and directly controls the contactor input to the parallel capacitor through the power panel button to perform a capacitive load test, detects the automatic compensation effect of the SVG device, detects the load current data of the built-in mutual inductor of the component, and the miniature circuit breaker 6QF is connected with the AC contactor 4KM, and the AC contactor 4KM is connected with the capacitor power switch.

[0063] Embodiment 3:

[0064] On the basis of embodiment 1, the control loop secondary system of the loop control system is further disclosed.

[0065] 1 input power supply, built-in 1-6QF output loop, with a separate function switch loop (1QF, 2QF, 6QF), and a parallel output function switch loop (3QF, 4QF, 5QF).

[0066] As shown in Fig. 3 , the loop control system further comprises:

[0067] The secondary fuse FU4 of the input 220V power supply is connected with the on-off button 1SBS, the on-off button 1SBS is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the on-off button 1SB, and the two AC contactors KM1 are connected with the three-phase indicator lights 1HR and 1HG.

[0068] The secondary fuse FU4 is connected with the on-off button 2SBS, the on-off button 2SBS is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the on-off button 2SB, and the two AC contactors KM2 are connected with the three-phase indicator lights 2HR and 2HG.

[0069] The secondary fuse FU4 is connected with the on-off button 3SBS, the on-off button 3SBS is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the on-off button 3SB, and the two AC contactors KM3 are connected with the three-phase indicator lights 3HR and 3HG.

[0070] The secondary fuse FU4 is connected with the on-off button 4SBS, the on-off button 4SBS is connected with the on-off button 4SB, and the two AC contactors KM4 are connected with the three-phase indicator lights 4HR and 4HG.

[0071] LED lighting, warning light HJ, three-phase indicator light 5HY, 5HG, 5HR, the three-phase indicator light 5HY, 5HG, 5HR is connected secondary fuse FU1, FU3, FU3 respectively.

[0072] 24V power conversion module connects DC24V fire test power supply, the positive electrode of the 24V power conversion module is connected to the buzzer HF, and the buzzer HF is connected to the positive electrode of the DC24V fire test power supply.

[0073] By increasing the intermediate relay (KA1~KA3) in the control circuit, the normally closed point is connected in series with the parallel output function switch circuit (3QF, 4QF, 5QF) in the cabinet, and the mechanical interlocking of the emergency stop button is realized,

[0074] Parallel output function switch circuit (3QF, 4QF, 5QF), select 3QF test power switch, 3QF power switch after closing, unlock mechanical interlocking 1SBS emergency stop button, KA1 relay is powered on, and the corresponding circuit KA1 normally open point becomes normally closed, 3QF tripping indicator light, operating power after pressing 3QF closing button, switch normally to output clip end, 4QF and 5QF power switch after closing, because KA1 normally closed point is connected in series and becomes normally open, 4QF and 5QF closing operation power is disconnected, thereby realizing electrical interlocking.

[0075] Single function switch circuit (1QF, 2QF, 6QF), open the corresponding function switch, the internal components enter the working state, so as to realize the equipment function input.

[0076] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A low voltage power on test equipment vehicle with capacitive load, characterized in that, The utility model relates to a test equipment vehicle body and a loop control system for controlling the test equipment vehicle body, and the test equipment vehicle body comprises: a test equipment vehicle box (1), an operation panel (2), an instrument panel (3) and a hazard warning light (6) installed on the top of the test equipment vehicle box (1); the inside of the test equipment vehicle box (1) is provided with a loop control room (4) and a tool storage room (5), and the loop control system is installed in the loop control room (4); the loop control system is connected with a capacitor and a multifunctional digital display meter; the capacitor is used for capacitive load testing of low-voltage equipment, and the multifunctional digital display meter is used for obtaining effective data fed back by the test equipment vehicle body in a running state. The loop control system is connected with a plurality of power output lines (8), the power output lines (8) are connected with power output line clamps (9), and the outside of the power output lines (8) is provided with a wire harness protection sleeve (7). The loop control system comprises: a plurality of miniature circuit breakers, namely a miniature circuit breaker 1QF, a miniature circuit breaker 2QF, a miniature circuit breaker 3QF, a miniature circuit breaker 4QF, a miniature circuit breaker 5QF and a miniature circuit breaker 6QF; 2. The band capacitive load low voltage energization test apparatus vehicle of claim 1, wherein, the miniature circuit breaker 1QF is a 2P miniature circuit breaker, the miniature circuit breaker 1QF is connected with a power switch, and single-phase AC220V is inputted into the power switch, and the power switch is connected with a ground plug; 3. The vehicle of claim 1, wherein, the miniature circuit breaker 2QF is a 2P miniature circuit breaker, the miniature circuit breaker 2QF is connected with a power switch, and the power switch is connected with a DC24 power module; the miniature circuit breaker 3QF is a 3P miniature circuit breaker, the miniature circuit breaker 3QF is connected with a fuse 1FU, the fuse 1FU is connected with an AC contactor 1KM, and the AC contactor 1KM is connected with an electric leakage switch; the miniature circuit breaker 4QF is a 3P+N electric leakage miniature circuit breaker, the miniature circuit breaker 4QF is connected with a fuse 2FU, the fuse 2FU is connected with an AC contactor 2KM, and the AC contactor 2KM is connected with an electric leakage switch; the miniature circuit breaker 5QF is a 1P miniature circuit breaker, the miniature circuit breaker 5QF is connected with an AC contactor 3KM, and the AC contactor 3KM is connected with an electric leakage switch; the miniature circuit breaker 6QF is a 3P miniature circuit breaker, the miniature circuit breaker 6QF is connected with an AC contactor 4KM, and the AC contactor 4KM is connected with a capacitor power switch. The loop control system further comprises: a secondary fuse FU4 connected with a 220V power supply, a switching button 1SBS connected with the secondary fuse FU4, an intermediate relay KA2 connected with the switching button 1SBS, an intermediate relay KA3 connected with the intermediate relay KA2, an intermediate relay KA1 connected with the intermediate relay KA3, a switching button 1SB connected with the intermediate relay KA1 and two AC contactors KM1 connected with three-phase indicator lamps 1HR and 1HG. The loop control system further comprises:

4. The vehicle of claim 1, wherein, ​ ​ 5. The vehicle of claim 4, wherein, ​ The secondary fuse FU4 is connected with the on-off button 2SBS, the on-off button 2SBS is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the on-off button 2SB, and two AC contactors KM2 are connected with the three-phase indicator lights 2HR and 2HG.

6. The vehicle of claim 4, wherein, The circuit control system further comprises: The secondary fuse FU4 is connected with the on-off button 3SBS, the on-off button 3SBS is connected with the intermediate relay KA1, the intermediate relay KA1 is connected with the intermediate relay KA2, the intermediate relay KA2 is connected with the intermediate relay KA3, the intermediate relay KA3 is connected with the on-off button 3SB, and two AC contactors KM3 are connected with the three-phase indicator lights 3HR and 3HG.

7. The vehicle of claim 4, wherein, The circuit control system further comprises: The secondary fuse FU4 is connected with the on-off button 4SBS, the on-off button 4SBS is connected with the on-off button 4SB, and two AC contactors KM4 are connected with the three-phase indicator lights 4HR and 4HG.

8. The vehicle of claim 1, wherein, The circuit control system further comprises: The LED lighting lamp, the warning light HJ, and the three-phase indicator lights 5HY, 5HG and 5HR are connected with the secondary fuses FU1, FU3 and FU3 respectively.

9. The band capacitive load low voltage power on test apparatus vehicle of claim 1, wherein, The circuit control system further comprises: The 24V power conversion module is connected with the DC 24V fire-fighting test power supply, and the positive electrode of the 24V power conversion module is connected with the buzzer HF, and the buzzer HF is connected with the positive electrode of the DC 24V fire-fighting test power supply.

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