Automatic running-in device for opening and closing electromagnet of circuit breaker
By designing an automatic run-in device including a logic control module and a contactor, the problem of lack of automation of the split-closing solenoid running-in in the prior art is solved, and an efficient and good quality run-in effect is achieved.
Patent Information
- Application Number
- CN202421802003.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The prior art lacks an automated break-in solenoid run-in device, resulting in high operating labor intensity, low working efficiency, and low running-in quality, which affects the working quality of the circuit breaker.
An automatic running-in device including a machine base, a solenoid mounting plate, an AC power switch, a logic control module, a contactor, an adjustable DC power supply, an automatic-manual conversion switch and a counting reset button switch is designed. Through the cooperation of the logic control module and the contactor, the automatic cyclic action control of the solenoid of the solenoid is realized.
The automatic running-in of the open-closing solenoid is realized, which reduces the operating labor intensity, improves working efficiency and run-in quality, and is suitable for the open-closing solenoid with various power supply requirements.
Smart Images
Figure CN222914716U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a component running-in device for a high-voltage circuit breaker of a switch cabinet, in particular to an automatic running-in device for a closing and opening electromagnet of a circuit breaker. Background Art
[0002] With the expansion of power demand, people's requirements for the reliability of working devices in the power system are also getting higher and higher. As an important electrical component in the power system, the high-voltage circuit breaker of the switch cabinet plays a role in controlling and protecting the circuit, and its action reliability directly affects the power supply reliability. The closing and opening electromagnet is the core component of the electric closing and opening part in the high-voltage circuit breaker. In the high-voltage circuit breaker, by using the electromagnetic action after the coil is energized, electrical energy is converted into mechanical energy, and the moving iron core of the closing and opening electromagnet is driven to impact the operating mechanism of the circuit breaker to achieve the purpose of opening or closing the circuit breaker. The closing and opening electromagnet must undergo running-in tests before use to ensure its normal and stable operation after installation and use. However, there is no ready-made automatic running-in device for the closing and opening electromagnet available at present, and the running-in is carried out manually or semi-automatically by each factory. The operation labor intensity is large, the work efficiency is low, and the running-in quality is not high, which affects the quality assurance of the work of the closing and opening electromagnet. Summary of the Invention
[0003] In order to overcome the problems that there is no ready-made automatic running-in device for the closing and opening electromagnet in the prior art, and the running-in is carried out manually or semi-automatically by each factory, resulting in large operation labor intensity, low work efficiency, and low running-in quality, the purpose of the present utility model is to provide an improved automatic running-in device for the closing and opening electromagnet of a circuit breaker, which can overcome the defects of the prior art.
[0004] The technical solution adopted by the present utility model to solve its technical problems is as follows: An automatic running-in device for the opening and closing electromagnets of a circuit breaker, characterized in that it includes a machine base, an opening and closing electromagnet mounting plate, an AC power switch, a logic control module, a contactor, an adjustable DC power supply, an automatic-manual conversion switch, and a counting and reset push-button switch arranged on the machine base. Wherein, the input end of the AC power switch is connected to a common AC power supply, the phase wire at the output end of the AC power switch is connected in parallel to the power phase wire input end of the logic control module, one end of the automatic-manual conversion switch, one end of the first normally open contact of the contactor, and one end of the counting and reset push-button switch. The other end of the automatic-manual conversion switch, the other end of the first normally open contact of the contactor, and the other end of the counting and reset push-button switch are respectively connected to the first input end, the second input end, and the third input end of the logic control module. The neutral wire at the output end of the AC power switch is connected in parallel to the power neutral wire input end of the logic control module and one end of the coil of the contactor. The other end of the coil of the contactor is connected to an output end of the logic control module. The positive output of the adjustable DC power supply is connected to one end of the second normally open contact of the contactor. The other end of the second normally open contact of the contactor is connected to one end of the coil of the running-in opening and closing electromagnet. The other end of the coil of the running-in opening and closing electromagnet is connected to the negative output of the adjustable DC power supply.
[0005] For the above technical solution, the output end of the logic control module can be a relay-type output end. The output end of the logic control module is provided with a pin 1 and a pin 2. The other end of the coil of the contactor is connected to pin 1 of the output end of the logic control module. Pin 2 of the output end of the logic control module is connected to the phase wire at the output end of the AC power switch.
[0006] For the above technical solution, the logic control module and the adjustable DC power supply can be respectively provided with electrical working parameter display screens.
[0007] For the above technical solution, the logic control module can adopt a 6ED1052-1FB08-0BA1 type logic control module (Siemens LOGO), a 6ED1052-1MD08-0BA1 type logic control module (Siemens LOGO), or a 1769-IF16C type logic control module (AB Rockwell), etc. The logic control module is set with software of a control program when in use. The beneficial effects of the present utility model are as follows: First, it can automatically control the opening and closing electromagnets to perform cyclic actions according to the set control program, making the operation labor intensity of running in the opening and closing electromagnets small, the work efficiency high, and effectively improving the running-in quality; Second, since an adjustable DC power supply is provided to supply power to the opening and closing electromagnets, it can be used to run in opening and closing electromagnets with various different power requirements, and its versatility is good.
[0008] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments. Description of the Drawings
[0009] Figure 1 is a schematic diagram of an embodiment of the present utility model.
[0010] Figure 2 is Figure 1 schematic circuit diagram of.
[0011] In the figure: 1, machine base; 2, installation plate for closing and opening electromagnets; 3, AC power switch; 4, logic control module; 5, contactor; 6, adjustable DC power supply; 7, automatic-manual changeover switch; 8, counting reset pushbutton switch; 9, electrical working parameter display screen of the logic control module; 10, electrical working parameter display screen of the adjustable DC power supply; 11, closing and opening electromagnets. Detailed Embodiment
[0012] Referring to Figures 1 to 2 , the automatic running-in device for the closing and opening electromagnets of this circuit breaker is characterized in that: as shown in Figure 1 , it includes a machine base 1 and an installation plate 2 for closing and opening electromagnets, an AC power switch 3, a logic control module 4, a contactor 5, an adjustable DC power supply 6, an automatic-manual changeover switch 7 and a counting reset pushbutton switch 8 provided on the machine base 1; as shown in Figure 2 , wherein the input end of the AC power switch K1 is connected to the common AC power supply AC220V, the phase line L of the output end of the AC power switch K1 is connected in parallel with the power phase line input end L of the logic control module IC, one end of the automatic-manual changeover switch K2, one end of the first normally open contact J1 of the contactor and one end of the counting reset pushbutton switch K3, the other end of the automatic-manual changeover switch K2, the other end of the first normally open contact J1 of the contactor and the other end of the counting reset pushbutton switch K3 are respectively connected to the first input end I1, the second input end I2 and the third input end I3 of the logic control module IC, the neutral line N of the output end of the AC power switch K1 is connected in parallel with the power neutral line input end N of the logic control module IC and one end of the coil J of the contactor, the other end of the coil J of the contactor is connected to an output end Q3 of the logic control module IC, the positive output + of the adjustable DC power supply DC0~270V is connected to one end of the second normally open contact J2 of the contactor, the other end of the second normally open contact J2 of the contactor is connected to one end of the coil T of the closing and opening electromagnets for running-in, and the other end of the coil T of the closing and opening electromagnets for running-in is connected to the negative output - of the adjustable DC power supply DC0~270V.
[0013] In addition, the output terminal Q3 of the logic control module IC is a relay type output terminal, and the output terminal Q3 is provided with pin 1 and pin 2. The other end of the coil J of the contactor is connected to pin 1 of the output terminal Q3 of the logic control module IC, and pin 2 of the output terminal Q3 of the logic control module IC is connected to the output phase line L of the AC power switch K1.
[0014] The logic control module 4 and the adjustable DC power supply 6 are provided with electrical working parameter display screens 9 and 10 respectively.
[0015] The logic control module IC adopts 6ED1052-1FB08-0BA1 logic control module (Siemens LOGO), 6ED1052-1MD08-0BA1 logic control module (Siemens LOGO) or 1769-IF16C logic control module (AB Rockwell), etc. The logic control module IC is provided with control program software when in use.
[0016] During running-in, a switching electromagnet 11 is installed and fixed on the switching electromagnet mounting plate 2, the positive lead of the coil T of the switching electromagnet 11 is connected to the second normally open contact J2 of the contactor 5, and the negative lead of the coil T of the switching electromagnet 11 is connected to the output negative pole - of the adjustable DC power supply DC0~270V. During automatic running-in, the automatic-manual conversion switch K2 is placed in the automatic position, and then the AC power switch K1 is closed, the logic control module IC works, the coil J of the contactor is energized, the second normally open contact J2 of the contactor is closed, the coil T of the opening and closing electromagnet is energized to control the movement of its moving iron core, and the logic control module IC controls the moving iron core of the opening and closing electromagnet to perform a cyclic running-in action according to the control program, and the cyclic action state of the moving iron core can determine whether the opening and closing electromagnet 11 can operate normally and stably; each time the coil J of the contactor is energized, the first normally open contact J1 of the contactor is closed once, and a counting signal is input for the logic control module IC to count the movement of the moving iron core of the opening and closing electromagnet, and pressing the count reset button switch K3 can clear the input count of the number of movements of the moving iron core of the opening and closing electromagnet. During manual running-in, the automatic-manual conversion switch K2 is placed in the manual position, and the suction button on the contactor is pressed to drive the moving iron core of the opening and closing electromagnet to move. Manual running-in is often used as a test action before automatic running-in, and automatic running-in is performed only when there are no problems.
Claims
1. An automatic running-in device for opening and closing electromagnets of a circuit breaker, characterized by: The invention comprises a base and a closing and opening electromagnet mounting plate arranged on the base, an AC power switch, a logic control module, a contactor, an adjustable DC power supply, an automatic-manual conversion switch and a count reset button switch, wherein the input end of the AC power switch is connected to a public AC power supply, the output end phase line of the AC power switch is connected in parallel to the power phase line input end of the logic control module, one end of the automatic-manual conversion switch, one end of the first normally open contact of the contactor and one end of the count reset button switch, the other end of the automatic-manual conversion switch, the other end of the first normally open contact of the contactor and the count reset button switch The other end of the button switch is respectively connected to the first input end, the second input end and the third input end of the logic control module, the output end neutral line of the AC power switch is connected in parallel to the power supply neutral line input end of the logic control module and one end of the coil of the contactor, the other end of the coil of the contactor is connected to an output end of the logic control module, the output positive pole of the adjustable DC power supply is connected to one end of the second normally open contact of the contactor, the other end of the second normally open contact of the contactor is connected to one end of the coil of the running-in opening and closing electromagnet, and the other end of the coil of the running-in opening and closing electromagnet is connected to the output negative pole of the adjustable DC power supply.
2. The automatic running-in device for the opening and closing electromagnet of a circuit breaker according to claim 1 is characterized in that: The output end of the logic control module is a relay type output end, and the output end of the logic control module is provided with pin 1 and pin 2. The other end of the coil of the contactor is connected to pin 1 of the output end of the logic control module, and pin 2 of the output end of the logic control module is connected to the output end phase line of the AC power switch.
3. The automatic running-in device for the opening and closing electromagnet of a circuit breaker according to claim 1 or 2, characterized in that: The logic control module and the adjustable DC power supply are respectively provided with electrical working parameter display screens.