A New Switching Unit Test Equipment

Abstract

The utility model relates to the technical field of switching unit testing, and discloses a novel switching unit testing equipment, including a test box, a plurality of testers are arranged at the rear side of the test box, and the detection connectors of the testers penetrate and extend to the interior of the test box, and a test assembly is arranged inside the test box, and the test assembly includes a positioning frame fixed to the bottom surface of the interior of the test box. The utility model makes the switching unit device fit with the pressure sensor through a second fixing frame, and then continuously increases the clamping force of the switching unit device to implement a pressure resistance test on the switching unit device, makes the switching unit device fit with the vibration rod through the second fixing frame, and continuously vibrates the switching unit device through a vibration motor, so as to test the vibration resistance of the switching unit device, and implements multi-directional testing of the switching unit device from the thermal insulation, thereby ensuring the accuracy of the test of the switching unit device.

Description

Technical Field

[0001] The utility model relates to the technical field of switching unit testing, in particular to a novel switching unit testing equipment. Background Art

[0002] In power systems or communication systems, "switching units" usually refer to devices that can switch between different circuits, signal paths or power sources. These devices can control and distribute current, voltage or signals to ensure stable operation of the system. Common switching units include circuit breakers, relays and switch devices.

[0003] An existing switch device testing device (publication number: CN218847599U) has at least the following disadvantages: the above-mentioned device realizes a pressure test on the switch device by setting a pressure rod to press down the switch device, but in the production of switching unit devices such as switch devices, it is usually necessary to perform vibration and pressure tests on the device when the device is in an operating state, and to test it in high and low temperature environments to ensure the yield rate of the device, which leads to the device testing being not comprehensive enough. For this reason, the present utility model is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a novel switching unit testing equipment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel switching unit testing equipment comprises a testing box, wherein a plurality of testers are arranged on the rear side of the testing box, detection connectors of the testers penetrate and extend into the interior of the testing box, a testing assembly is arranged inside the testing box, and the testing assembly comprises a positioning frame fixed on the inner bottom surface of the testing box, a first fixing frame is slidingly arranged on the inner bottom surface of the testing box along the width direction, a second fixing frame is slidingly arranged on the inner bottom surface of the testing box along the length direction, pressure rods are fixed on the first fixing frame and the second fixing frame on one side close to the positioning frame, the pressure rod of the first fixing frame is slidingly inserted into the left side of the positioning frame, and the pressure rod of the second fixing frame is slidingly inserted into the front side of the positioning frame.

[0007] As a further solution of the utility model, a pressure sensor is fixed on the right side of the interior of the positioning frame, a vibration plate is arranged inside the test box along the length direction, two vibration motors are fixed on the top surface of the vibration plate, a plurality of vibration rods are fixed on one side of the vibration plate, a rebound hole is opened on the inner rear side of the positioning frame, the vibration rod and the inside of the rebound hole are slidably inserted, a spring is provided on the outer wall of the vibration rod, and one end of the spring is in contact with one side of the inner part of the rebound hole.

[0008] As a further solution of the utility model, two first fixing plates are fixed to the bottom surface of the test box, a first screw rod is rotatably connected between the two first fixing plates, the first fixing frame is threadedly connected to the outer wall of the first screw rod, a first motor is fixed to the front side of the first fixing plate near the front side of the test box, the output shaft of the first motor is fixed to the front end of the first screw rod, two second fixing plates are also fixed to the bottom surface of the test box, a second screw rod is rotatably connected between the two second fixing plates, the second fixing frame is rotatably connected to the outer wall of the second screw rod, the second motor is fixed to the left side of the second fixing plate near the left side of the test box, and the output shaft of the second motor is fixed to the left end of the second screw rod.

[0009] As a further solution of the utility model, two limit rods are fixed between the two first fixing plates and the two second fixing plates, and the first fixing frame and the second fixing frame are slidably arranged with the outer walls of the limit rods on the first fixing plates and the second fixing plates respectively.

[0010] As a further solution of the utility model, a heating tube is fixed to the inner top surface of the test box, semiconductor refrigeration sheets are fixed to the left and right sides of the test box, and the cooling ends of the semiconductor refrigeration sheets extend to the interior of the test box.

[0011] As a further solution of the utility model, a temperature sensor is fixed on the top surface of the test box, and the detection end of the temperature sensor extends to the interior of the test box. A PLC controller is fixed on the top surface of the test box, and the first motor, the second motor, the pressure sensor, the vibration motor, the heating tube and the semiconductor refrigeration plate are all electrically connected to the PLC controller.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By setting the first fixing frame and the second fixing frame, the switching unit device to be tested can be clamped from two directions, the switching unit device is fitted with the pressure sensor through the second fixing frame, and then the clamping force of the switching unit device is continuously increased to implement a pressure test on the switching unit device, the switching unit device is fitted with the vibration rod through the second fixing frame, and the switching unit device is continuously vibrated by the vibration motor, so as to test the vibration resistance of the switching unit device, and then the temperature of the test box is controlled by the heating tube and the semiconductor refrigeration sheet, so as to test the switching unit device at different temperatures, and realize multi-directional testing of the switching unit device from the additional insulation to ensure the accuracy of the test of the switching unit device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a novel switching unit testing equipment proposed by the utility model;

[0015] Figure 2This is a three-dimensional cross-sectional structural diagram of a test box of a novel switching unit test equipment proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the first fixing frame and the second fixing frame of a novel switching unit testing equipment proposed by the utility model;

[0017] Figure 4 The present invention is a schematic diagram of a three-dimensional cross-sectional structure of a positioning frame of a novel switching unit testing equipment proposed by the present invention.

[0018] In the figure: 1. test box; 101. tester; 2. positioning frame; 201. first fixing frame; 202. second fixing frame; 203. pressure rod; 204. pressure sensor; 205. vibration plate; 206. vibration rod; 207. rebound hole; 208. vibration motor; 3. first fixing plate; 301. first screw rod; 302. second fixing plate; 303. second screw rod; 304. limit rod; 4. heating tube; 401. semiconductor refrigeration plate; 5. temperature sensor. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figure 1-Figure 4As shown, a novel switching unit testing equipment comprises a testing box 1, a plurality of testers 101 are arranged on the rear side of the testing box 1, the detection connectors of the testers 101 penetrate and extend to the interior of the testing box 1, a testing assembly is arranged inside the testing box 1, and the testing assembly comprises a positioning frame 2 fixed on the inner bottom surface of the testing box 1, a first fixing frame 201 is slidingly arranged on the inner bottom surface of the testing box 1 along the width direction, a second fixing frame 202 is slidingly arranged on the inner bottom surface of the testing box 1 along the length direction, a pressure rod 203 is fixed on one side of the first fixing frame 201 and the second fixing frame 202 close to the positioning frame 2, the pressure rod 203 of the first fixing frame 201 is slidingly inserted into the left side of the positioning frame 2, and the pressure rod 203 of the second fixing frame 202 is slidingly inserted into the front side of the positioning frame 2.

[0023] like Figure 2-Figure 4 As shown, in this embodiment, a pressure sensor 204 is fixed to the right side of the interior of the positioning frame 2, a vibration plate 205 is arranged inside the test box 1 along the length direction, two vibration motors 208 are fixed to the top surface of the vibration plate 205, and a plurality of vibration rods 206 are fixed to one side of the vibration plate 205. A rebound hole 207 is opened on the rear side of the interior of the positioning frame 2, and the vibration rod 206 is slidably inserted into the interior of the rebound hole 207. A spring is movably sleeved on the outer wall of the vibration rod 206, and one end of the spring is in contact with one side of the interior of the rebound hole 207. By setting the first fixing frame 201 and the second fixing frame 202 can clamp the switching unit device to be tested from two directions, and make the switching unit device fit with the pressure sensor 204 through the second fixing frame 202, and then continuously increase the clamping force of the switching unit device to implement a pressure test on the switching unit device, and make the switching unit device fit with the vibration rod 206 through the second fixing frame 202, and continuously vibrate the switching unit device through the vibration motor 208, so as to test the vibration resistance of the switching unit device, and realize multi-directional testing of the switching unit device from the front insulation to ensure the accuracy of the test of the switching unit device.

[0024] like Figure 2-Figure 4As shown, in this embodiment, two first fixing plates 3 are fixed to the bottom surface of the test box 1, a first screw rod 301 is rotatably connected between the two first fixing plates 3, the first fixing frame 201 is threadedly connected to the outer wall of the first screw rod 301, a first motor is fixed to the front side of the first fixing plate 3 near the front side of the test box 1, the output shaft of the first motor is fixed to the front end of the first screw rod 301, two second fixing plates 302 are also fixed to the bottom surface of the test box 1, a second screw rod 303 is rotatably connected between the two second fixing plates 302, the second fixing frame 202 is rotatably connected to the outer wall of the second screw rod 303, a second motor is fixed to the left side of the second fixing plate 302 near the left side of the test box 1, the output shaft of the second motor is fixed to the left end of the second screw rod 303, the first motor cooperates with the first screw rod 301 to realize the driving of the first fixing frame 201, and the second motor cooperates with the second screw rod 303 to realize the driving of the second fixing plate 302.

[0025] like Figure 2-Figure 4 As shown, in this embodiment, two limit rods 304 are fixed between the two first fixing plates 3 and the two second fixing plates 302, and the first fixing frame 201 and the second fixing frame 202 are respectively slidably arranged with the outer walls of the limit rods 304 on the first fixing plate 3 and the second fixing plate 302. Through the arrangement and use of the limit rods 304, the first fixing frame 201 and the second fixing frame 202 are more stable during the movement.

[0026] like Figure 2-Figure 4 As shown, in this embodiment, a heating tube 4 is fixed to the inner top surface of the test box 1, and semiconductor refrigeration sheets 401 are fixed on the left and right sides of the test box 1. The cooling end of the semiconductor refrigeration sheet 401 extends to the interior of the test box 1. Through the heating tube 4 and the semiconductor refrigeration sheet 401, the temperature inside the test box 1 can be controlled to be maintained at a high or low temperature, thereby realizing the testing of the switching unit device under different temperature environments.

[0027] like Figure 2-Figure 4 As shown, in this embodiment, a temperature sensor 5 is fixed on the top surface of the test box 1, and the detection end of the temperature sensor 5 extends to the interior of the test box 1. A PLC controller is fixed on the top surface of the test box 1. The first motor, the second motor, the pressure sensor 204, the vibration motor 208, the heating tube 4 and the semiconductor refrigeration plate 401 are all electrically connected to the PLC controller. The temperature sensor 5 cooperates with the PLC controller to detect the internal ambient temperature of the test box 1, thereby more accurately controlling the internal temperature of the test box 1.

[0028] From the above description, it can be seen that the above-mentioned embodiments of the utility model achieve the following technical effects: in use, the switching unit device is placed inside the positioning frame 2, and then the detection connector of the tester 101 is connected to the switching unit device, and then the second motor is started to drive the second screw rod 303 to rotate. Under the action of the threaded connection between the second fixing frame 202 and the second screw rod 303, the second fixing frame 202 drives the pressure rod 203 to clamp the switching unit device laterally, so that the switching unit device and the pressure sensor 204 are fitted, and by increasing the clamping force, the pressure value fed back to the PLC controller by the pressure sensor 204 reaches a predetermined value. At this time, the test result is determined by the tester 101, and then the second fixing frame 202 is reset, and the first motor is started to drive the first screw rod 301 to rotate. Under the action of the threaded connection of the screw rod 301, the first fixed frame 201 drives the pressure rod 203 to vertically clamp the switching unit device, so that the switching unit device fits with one end of the vibration rod 206. At this time, the spring on the vibration rod 206 is compressed and applies elastic force to the vibration rod 206 in the opposite direction. At this time, the vibration motor 208 is started to control the vibration amplitude through the PLC controller, so that the vibration plate 205 and the vibration rod 206 vibrate continuously, thereby transmitting the vibration to the switching unit. At this time, the test result is determined by the tester 101, and then the first fixed frame 201 is reset, and the heating tube 4 and the semiconductor refrigeration plate 401 are started respectively, and the temperature inside the test box 1 is controlled in a high temperature environment and a low temperature environment in cooperation with the temperature sensor 5 and the PLC controller, and then the test result is determined by the tester 101, thereby realizing multi-directional testing of the switching unit device.

[0029] The above shows and describes the basic principle and main features of the utility model and the 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 descriptions are only for explaining the principle 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. A novel switching unit testing device, comprising a test box (1), characterized in that: A plurality of testers (101) are arranged at the rear side of the test box (1); the detection connectors of the testers (101) penetrate and extend into the interior of the test box (1); a test assembly is arranged inside the test box (1); the test assembly comprises a positioning frame (2) fixed to the inner bottom surface of the test box (1); a first fixing frame (201) is slidably arranged on the inner bottom surface of the test box (1) along the width direction; a second fixing frame (202) is slidably arranged on the inner bottom surface of the test box (1) along the length direction; a pressure rod (203) is fixed to one side of the first fixing frame (201) and the second fixing frame (202) close to the positioning frame (2); the pressure rod (203) of the first fixing frame (201) is slidably inserted into the left side of the positioning frame (2); and the pressure rod (203) of the second fixing frame (202) is slidably inserted into the front side of the positioning frame (2).

2. A novel switching unit testing equipment according to claim 1, characterized in that: A pressure sensor (204) is fixed on the right side of the interior of the positioning frame (2); a vibration plate (205) is arranged inside the test box (1) along the length direction; two vibration motors (208) are fixed on the top surface of the vibration plate (205); a plurality of vibration rods (206) are fixed on one side of the vibration plate (205); a rebound hole (207) is opened on the rear side of the interior of the positioning frame (2); the vibration rod (206) is slidably inserted into the interior of the rebound hole (207); a spring is movably sleeved on the outer wall of the vibration rod (206); one end of the spring contacts the inner side of the rebound hole (207).

3. A novel switching unit testing equipment according to claim 2, characterized in that: Two first fixing plates (3) are fixed to the bottom surface of the test box (1), a first screw rod (301) is rotatably connected between the two first fixing plates (3), a first fixing frame (201) is threadedly connected to the outer wall of the first screw rod (301), a first motor is fixed to the front side of the first fixing plate (3) close to the front side of the test box (1), the output shaft of the first motor is fixed to the front end of the first screw rod (301), two second fixing plates (302) are also fixed to the bottom surface of the test box (1), a second screw rod (303) is rotatably connected between the two second fixing plates (302), the second fixing frame (202) is rotatably connected to the outer wall of the second screw rod (303), a second motor is fixed to the left side of the second fixing plate (302) close to the left side of the test box (1), the output shaft of the second motor is fixed to the left end of the second screw rod (303).

4. A novel switching unit testing equipment according to claim 3, characterized in that: Two limiting rods (304) are fixed between the two first fixing plates (3) and the two second fixing plates (302), and the first fixing frame (201) and the second fixing frame (202) are slidably arranged with the outer walls of the limiting rods (304) on the first fixing plates (3) and the second fixing plates (302), respectively.

5. A novel switching unit testing equipment according to claim 4, characterized in that: A heating tube (4) is fixed to the internal top surface of the test box (1), and semiconductor cooling sheets (401) are fixed to the left and right sides of the test box (1), with the cooling end of the semiconductor cooling sheet (401) extending into the interior of the test box (1).

6. A novel switching unit testing equipment according to claim 5, characterized in that: A temperature sensor (5) is fixed on the top surface of the test box (1), and a detection end of the temperature sensor (5) extends into the interior of the test box (1). A PLC controller is fixed on the top surface of the test box (1), and the first motor, the second motor, the pressure sensor (204), the vibration motor (208), the heating tube (4) and the semiconductor cooling plate (401) are all electrically connected to the PLC controller.

Images