Electromagnetic switch running-in test controller

Abstract

The utility model relates to the technical field of electromagnetic switch running-in tests, in particular to an electromagnetic switch running-in test controller, which comprises a shell, and an S7-200 programmable controller, an EM-231 expansion module, a voltage sensor, a current sensor, a 24V voltage converter and a 30V voltage converter are arranged in the shell. A touch screen, a power switch, an emergency stop button, a first switch, a second switch and a voltage adjusting knob are correspondingly arranged on the outer portion of the front side of the shell. And a power plug, a test port connected with the voltage adjusting knob, a 24V voltage output port and a 30V voltage output port are correspondingly arranged on the outer part of the rear side of the shell. The device is simple to use, can be directly operated and used on site, accurately checks the working performance of the electromagnet, improves the working efficiency, saves the time, and meets the detection requirements of electromagnets with different on-off times. The on-off times and the power-on voltage of the electromagnet can be visually displayed; and the detection requirements of electromagnets with different voltages are met.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic switch running-in test, in particular to an electromagnetic switch running-in test controller. Background Art

[0002] During the repair process of the electromagnetic switch, if the repair involves the internal wires and coils of the electromagnet, it is necessary to conduct 300 on-off tests to verify the reliability of the electromagnet. Originally, there was no corresponding tooling, and when conducting 300 on-off tests, the power supply of the electromagnet could only be turned on and off by hand, which was time-consuming, labor-intensive and inefficient. Utility Model Content

[0003] In order to solve the above technical problems, the utility model proposes an electromagnetic switch running-in test controller.

[0004] The technical problem to be solved by the utility model is achieved by the following technical solutions:

[0005] An electromagnetic switch running-in test controller comprises a housing, wherein an S7-200 programmable controller, an EM-231 expansion module, a voltage sensor and a current sensor respectively connected to the S7-200 programmable controller and the EM-231 expansion module, and a 24V voltage converter and a 30V voltage converter connected to the S7-200 programmable controller and the voltage sensor are arranged inside the housing;

[0006] The front exterior of the housing is provided with a touch screen, a power switch, an emergency stop button, a first switch, a second switch, and a voltage adjustment knob connected to the S7-200 programmable controller;

[0007] The rear exterior of the shell is correspondingly provided with a power plug connected to the S7-200 programmable controller, a test port connected to the voltage adjustment knob, a 24V voltage output port connected to the 24V voltage converter, and a 30V voltage output port connected to the 30V voltage converter.

[0008] Preferably, the touch screen includes voltage, current, number of times, power-on time, power-off time, a start test button, a stop test button, a parameter setting button, a number reset button, and a return button.

[0009] Preferably, the parameter setting button includes number setting, power-on time setting, and power-off time setting.

[0010] Preferably, the power switch has a power display function.

[0011] Preferably, the emergency stop button is connected between the power plug and the power switch.

[0012] Preferably, a first circuit breaker is provided between the power plug and the emergency stop button, and a second circuit breaker is provided between the 24V voltage converter and the voltage sensor.

[0013] The beneficial effects of the utility model are:

[0014] Compared with the prior art, the utility model has the characteristics of being simple to use, being directly operable on site, accurately checking the working performance of the electromagnet, improving work efficiency, saving time, etc. By setting a touch screen, different on-off times can be set, thereby meeting the detection requirements of electromagnets with different on-off times; the on-off times and the power-on voltage of the electromagnet can be intuitively displayed; and by setting a voltage adjustment knob, the detection requirements of electromagnets with different voltages can be met. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 This is the internal circuit diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the back structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the interface of the touch screen of the utility model;

[0020] Figure 5 It is a schematic diagram of the parameter setting interface in the utility model.

[0021] In the figure: 1. Shell; 2. S7-200 programmable controller; 3. EM-231 expansion module; 4. Voltage sensor; 5. Current sensor; 6. 24V voltage converter; 7. 30V voltage converter; 8. Touch screen; 9. Power switch; 10. Emergency stop button; 11. First switch; 12. Second switch; 13. Voltage adjustment knob; 14. Power plug; 15. Test port; 16. 24V voltage output port; 17. 30V voltage output port; 18. First circuit breaker; 19. Second circuit breaker. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figures 1 to 3As shown, an electromagnetic switch running-in test controller includes a housing 1, wherein the housing 1 is provided with an S7-200 programmable controller 2, an EM-231 expansion module 3, a voltage sensor 4 and a current sensor 5 respectively connected to the S7-200 programmable controller 2 and the EM-231 expansion module 3, and a 24V voltage converter 6 and a 30V voltage converter 7 connected to the S7-200 programmable controller 2 and the voltage sensor 4. The front side of the housing 1 is correspondingly provided with a touch screen 8, a power switch 9, an emergency stop button 10, a first switch 11 and a second switch 12, and a voltage adjustment knob 13 connected to the S7-200 programmable controller 2; the rear side of the housing 1 is correspondingly provided with a power plug 14 connected to the S7-200 programmable controller 2, a test port 15 connected to the voltage adjustment knob 13, a 24V voltage output port 16 connected to the 24V voltage converter 6, and a 30V voltage output port 17 connected to the 30V voltage converter 7.

[0024] Furthermore, the S7-200 programmable controller 2 and the EM-231 expansion module 3 are used to set indicators such as current and voltage related parameters, power on and off time, and number of detections, so as to facilitate rapid and efficient detection of whether the performance of the electromagnet meets the requirements.

[0025] like Figure 4 and Figure 5 As shown, the display interface of the touch screen 8 includes voltage, current, times, power-on time, power-off time, start test button, stop test button, parameter setting button, times reset button, and return button. The parameter setting button includes times setting, power-on time setting, and power-off time setting; the times reset button is used to set zero.

[0026] The power switch 9 has a power display function and is used to turn the power on and off of the controller.

[0027] The emergency stop button 10 is connected between the power plug 14 and the power switch 9, and the emergency stop button 10 is used to disconnect the electromagnet power supply in an emergency. The voltage adjustment knob 13 can set different output voltages. A first circuit breaker 18 is provided between the power plug 14 and the emergency stop button 10, and a second circuit breaker 19 is provided between the 24V voltage converter 6 and the voltage sensor 4. The power plug 14 is used for connection with a 220V power supply. The 24V voltage output port 16 and the 30V voltage output port 17 are used for 24V and 30V electromagnet on-off detection, respectively.

[0028] The working process and using principle of this utility model:

[0029] Connect the controller to a 220V AC power supply through a power plug 14; select the corresponding interface according to the voltage of the electromagnetic switch to be tested. If the electromagnetic switch to be tested is 24V, select the 24V voltage output port 16; if the electromagnetic switch to be tested is 30V, select the 30V voltage output port 17; if the electromagnetic switch to be tested is other voltages, select the test port 15; press the power switch 9, the controller is powered on, and the number of on-off times is set on the touch screen 8. If the electromagnetic switch to be tested is connected to the test port 15, the voltage adjustment knob 13 needs to be rotated to set the required voltage; click the start test button on the touch screen 8 to start detecting the on-off performance of the electromagnetic switch, and the touch screen 8 displays the on-off times, voltage, current, power-on time, and power-off time. When the times are reached, the electromagnet is powered off. In case of emergency, press the emergency stop button 10; click the parameter setting button on the touch screen 8, and the touch screen 8 displays the times position, power-on time setting, and power-off time setting. At this time, the above three test conditions can be set; click the times reset button on the touch screen 8 to reset the above conditions.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An electromagnetic switch running-in test controller, comprising a housing (1), characterized in that: The housing (1) is provided with an S7-200 programmable controller (2), an EM-231 expansion module (3), a voltage sensor (4) and a current sensor (5) respectively connected to the S7-200 programmable controller (2) and the EM-231 expansion module (3), and a 24V voltage converter (6) and a 30V voltage converter (7) connected to the S7-200 programmable controller (2) and the voltage sensor (4); A touch screen (8) connected to the S7-200 programmable controller (2), a power switch (9), an emergency stop button (10), a first switch (11), a second switch (12), and a voltage adjustment knob (13) are correspondingly arranged on the front exterior of the housing (1); The rear exterior of the housing (1) is correspondingly provided with a power plug (14) connected to the S7-200 programmable controller (2), a test port (15) connected to the voltage adjustment knob (13), a 24V voltage output port (16) connected to the 24V voltage converter (6), and a 30V voltage output port (17) connected to the 30V voltage converter (7).

2. The electromagnetic switch running-in test controller according to claim 1, characterized in that: The touch screen (8) comprises voltage, current, number of times, power-on time, power-off time, a start test button, a stop test button, a parameter setting button, a number reset button, and a return button.

3. The electromagnetic switch running-in test controller according to claim 2, characterized in that: The parameter setting buttons include number setting, power-on time setting, and power-off time setting.

4. The electromagnetic switch running-in test controller according to claim 1, characterized in that: The power switch (9) has a power display function.

5. The electromagnetic switch running-in test controller according to claim 1, characterized in that: The emergency stop button (10) is connected between the power plug (14) and the power switch (9).

6. The electromagnetic switch running-in test controller according to claim 1, characterized in that: A first circuit breaker (18) is provided between the power plug (14) and the emergency stop button (10), and a second circuit breaker (19) is provided between the 24V voltage converter (6) and the voltage sensor (4).

Images