Electric slip ring conduction and insulation resistance inspection device
By designing a device for testing the continuity and insulation resistance of electric slip rings, efficient electrical continuity and insulation resistance testing of electric slip rings were achieved, solving the problem of time-consuming and labor-intensive testing in existing technologies, improving testing efficiency and enhancing the compatibility of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-27
AI Technical Summary
In the existing technology, the inspection of electric slip rings takes a lot of time and manpower, and it is difficult to efficiently complete the testing of electrical continuity and insulation resistance.
A device for testing the continuity and insulation resistance of an electric slip ring was designed, including a frame and quick connectors. The quick connectors, marked with serial numbers, enable automatic corresponding connection between the rotor and stator of the electric slip ring. The device is used in conjunction with a multimeter and a megohmmeter to test the electrical continuity and insulation resistance.
It improves inspection efficiency, simplifies the operation process, increases inspection efficiency by nearly 40%, and is compatible with more than 80% of electric slip ring inspection work. It can quickly detect the number of loops and screen for incorrect ring numbers.
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Figure CN224052385U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of electric slip ring inspection, in particular to an electric slip ring conduction and insulation resistance inspection device. BACKGROUND
[0002] As a conductive slip ring with two relative rotating mechanisms, the demand for the conductive slip ring with the functions of data signal, power and image transmission is increasing day by day. The inspection is a quality control link, and a large amount of time and manpower is spent on the inspection of the slip ring. On the basis of analyzing the technical characteristics and detection requirements of the conductive slip ring, an inspection device is independently designed, which is suitable for the inspection of the conduction and insulation resistance of the conductive slip ring used by the product. CONTENT OF THE UTILITY MODEL
[0003] The application provides an electric slip ring conduction and insulation resistance inspection device, which can effectively complete the electrical conduction test and insulation resistance test of the electric slip ring.
[0004] To achieve the above purpose, the application provides the following technical scheme:
[0005] The application provides an electric slip ring conduction and insulation resistance inspection device, which includes a rack and a quick connector. The rack includes a first support and a second support arranged at intervals along a first direction, and an electric slip ring accommodating space is formed between the first support and the second support for placing the electric slip ring. The quick connector includes a one-to-one corresponding first quick connector and a second quick connector. The first quick connector is used for inserting the rotor lead of the electric slip ring, and the second quick connector is used for inserting the stator lead of the electric slip ring. A plurality of first quick connectors are arranged on the first support along a second direction to form at least part of a rotor end connection assembly, and a plurality of second quick connectors are arranged on the second support along the second direction to form at least part of a stator end connection assembly.
[0006] In the rotor end connection assembly, a first serial number mark is arranged on each first quick connector along the second direction in sequence; in the stator end connection assembly, a second serial number mark is arranged on each second quick connector along the second direction in sequence. The first serial number mark of the corresponding first quick connector and the second serial number mark on the second quick connector are the same, and the first direction is perpendicular to the second direction.
[0007] In the above scheme, the electric slip ring conduction and insulation resistance inspection device is used for detecting whether the leads of the rotor and the stator of the electric slip ring are normal, and whether the insulation resistance of the electric slip ring is normal.
[0008] The electric slip ring is arranged between the first support and the second support, and the corresponding rotor conductor and the first quick connector, and the corresponding stator conductor and the second quick connector are connected according to the slip ring ring number of the electric slip ring, the first serial number mark and the second serial number mark, and electrical continuity test and insulation resistance test are respectively performed by using a multimeter and a megohmmeter.
[0009] According to some embodiments of the present application, each quick connector comprises an insulating body, a pressing plate, a first conductive piece and a second conductive piece;
[0010] The insulating body is formed with a plug hole on one side along a first direction, the plug hole is for inserting a conductor, a top surface of the insulating body is formed with a notch and a slot arranged along the first direction, the notch is communicated with the plug hole, the slot is communicated with the notch, the pressing plate is hinged to the insulating body and is used for being pressed into the slot, the first conductive piece is arranged on the pressing plate and is used for contacting the conductor in the slot, and the second conductive piece is arranged in the slot and is connected with the first conductive piece.
[0011] In the above scheme, the conductor of the electric slip ring rotor or stator can be inserted into the plug hole, then the worker presses the pressing plate into the notch to make the first conductive piece contact the conductor, and when the electrical continuity test is performed, the test connector of the multimeter is inserted into the slot to make the second conductive piece circuit conduct with the conductor.
[0012] According to some embodiments of the present application, each quick connector further comprises a fixing plate, the fixing plate is fixed with the insulating body by bolts, and the first support is clamped and fixed by the fixing plate and the insulating body.
[0013] According to some embodiments of the present application, the first conductive piece is a copper sheet arranged on the pressing plate, and the copper sheet is arc-shaped.
[0014] In the above scheme, by arranging the arc-shaped copper sheet, the conductor in the plug hole can be effectively abutted to effectively electrically connect with the conductor.
[0015] According to some embodiments of the present application, the second conductive piece comprises a conductive ring arranged in the slot and contacting the copper sheet.
[0016] According to some embodiments of the present application, the number of the first supports is two, the two first supports are arranged in a spaced manner along a height direction, and the height direction, the first direction and the second direction are perpendicular to each other in pairs.
[0017] The number of the second supports is two, and the two second supports are arranged in a spaced manner along the height direction.
[0018] According to some embodiments of the present application, 60 first quick connectors are arranged on each first support, and 60 second quick connectors are arranged on each second support.
[0019] According to some embodiments of the present application, the rack further comprises a connecting rod, and the first support and the second support are connected by the connecting rod.
[0020] According to some embodiments of the present application, the electric slip ring conduction and insulation resistance testing device further comprises a multimeter and an ohmmeter. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0022] Figure 1 It is a top view of the electric slip ring conduction and insulation resistance testing device in some embodiments of the present application.
[0023] Figure 2 It is a schematic view of the first support and the first quick connector in some embodiments of the present application.
[0024] Figure 3 It is a top view of the quick connector in some embodiments of the present application.
[0025] Figure 4 It is a schematic view of the internal structure of the quick connector in some embodiments of the present application.
[0026] Figure legend: 10-rack, 11-first support, 12-second support, 13-connecting rod, 20-quick connector, 21-first quick connector, 210-first serial number mark, 22-second quick connector, 220-second serial number mark, 30-insulating body, 31-pressing plate, 32-first conductive part, 33-second conductive part, 34-jack, 35-notch, 36-insert slot, 37-fixing plate. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the application.
[0029] It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0030] In the description of the embodiments of the application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.
[0031] In the description of the embodiments of the application, it should also be noted that unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.
[0032] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.
[0033] Please refer to Figures 1-4 , Figure 1 is a top view of an electrical slip ring conduction and insulation resistance testing device in some embodiments of the application, Figure 2 is a schematic view of a first support and a first quick connector in some embodiments of the application, Figure 3 is a top view of a quick connector in some embodiments of the application, Figure 4 is a schematic view of the internal structure of a quick connector in some embodiments of the application.
[0034] The application provides an electric slip ring conduction and insulation resistance testing device, which comprises a rack 10 and a quick connector 20. The rack 10 comprises a first support 11 and a second support 12 arranged at intervals along a first direction, and an electric slip ring accommodating space is formed between the first support 11 and the second support 12 for placing an electric slip ring. The quick connector 20 comprises a first quick connector 21 and a second quick connector 22 corresponding to each other, the first quick connector 21 is used for plugging a rotor conductor of the electric slip ring, and the second quick connector 22 is used for plugging a stator conductor of the electric slip ring. A plurality of first quick connectors 21 are arranged along a second direction on the first support 11 to form at least part of a rotor terminal assembly, and a plurality of second quick connectors 22 are arranged along the second direction on the second support 12 to form at least part of a stator terminal assembly.
[0035] In the rotor terminal assembly, a first serial number mark 210 is arranged on each first quick connector 21 along the second direction, and in the stator terminal assembly, a second serial number mark 220 is arranged on each second quick connector 22 along the second direction. The first serial number mark 210 of the corresponding first quick connector 21 and the second serial number mark 220 of the corresponding second quick connector 22 are the same, and the first direction is perpendicular to the second direction.
[0036] The first serial number mark 210 represents a number, for example, 1, 2, 3, 4, 5, etc. Correspondingly, the second serial number mark 220 represents a number, for example, 1, 2, 3, 4, 5, etc.
[0037] In the above scheme, the electric slip ring conduction and insulation resistance testing device is used to detect whether the conductors of the rotor and the stator of the electric slip ring are normal, and whether the insulation resistance of the electric slip ring is normal.
[0038] The electric slip ring is placed between the first support 11 and the second support 12, and the corresponding rotor conductor and the first quick connector 21, and the corresponding stator conductor and the second quick connector 22 are connected according to the slip ring ring number of the electric slip ring, the first serial number mark 210 and the second serial number mark 220, and electrical conduction tests and insulation resistance tests are performed by using a multimeter and a megohmmeter, respectively.
[0039] According to some embodiments of the present application, each of the quick connectors 20 comprises an insulating body 30, a pressing plate 31, a first conductive piece 32 and a second conductive piece 33. The insulating body 30 is formed with a hole 34 on one side along a first direction for inserting a wire, and the top surface of the insulating body 30 is formed with a notch 35 and a slot 36 arranged along the first direction, the notch 35 is communicated with the hole 34, the slot 36 is communicated with the notch 35, the pressing plate 31 is hinged to the insulating body 30 and is used to be pressed into the slot 36, the first conductive piece 32 is arranged on the pressing plate 31 and is used to contact the wire in the slot 36, and the second conductive piece 33 is arranged in the slot 36 and is connected with the first conductive piece 32.
[0040] In the above scheme, the wire of the electric slip ring rotor or stator can be inserted into the hole 34, then the worker presses the pressing plate 31 into the notch 35 to make the first conductive piece 32 contact the wire, and when the electrical continuity test is performed, the test connector of the multimeter is inserted into the slot 36 to make the wire circuit conductive through the second conductive piece 33.
[0041] According to some embodiments of the present application, each of the quick connectors 20 further comprises a fixing plate 37 which is fixed to the insulating body 30 by bolts, and the first support 11 is clamped and fixed by the fixing plate 37 and the insulating body 30.
[0042] According to some embodiments of the present application, the first conductive piece 32 is a copper sheet arranged on the pressing plate 31, and the copper sheet is arc-shaped.
[0043] In the above scheme, by arranging the arc-shaped copper sheet, the wire located in the hole 34 can be effectively abutted to effectively electrically connect with the wire.
[0044] According to some embodiments of the present application, the second conductive piece 33 comprises a conductive ring which is arranged in the slot 36 and contacts the copper sheet.
[0045] In some embodiments, the second conductive piece 33 can also be a metal sheet which is electrically connected with the copper sheet by a wire.
[0046] According to some embodiments of the present application, the number of the first supports 11 is two, and the two first supports 11 are arranged along a height direction at intervals, the height direction, the first direction and the second direction are perpendicular to each other in pairs.
[0047] The number of the second supports 12 is two, and the two second supports 12 are arranged along the height direction at intervals.
[0048] According to some embodiments of the present application, 60 first quick connectors 21 are arranged on each of the first supports 11, and 60 second quick connectors 22 are arranged on each of the second supports 12.
[0049] According to some embodiments of the present application, the rack 10 further comprises a connecting rod 13, and the first support 11 and the second support 12 are connected through the connecting rod 13.
[0050] It should be noted that there are great differences in mechanical structure of the electric slip ring, the smallest ring body diameter is about 15 mm (for example, HH-60 type), the larger slip ring diameter can reach 180 mm (for example, DHK143-35 type); there are also great differences in the number of effective loops, the number of loops is 24 (for example, HH-24 type), and the number of loops is 110 (for example, DHH110 type). Through summary and demand analysis, in some embodiments of the present application, the testing device is designed to be 400*400*140mm, which is divided into an upper and lower structure, and a one-in-one-out quick connector is used for wire connection, and a serial number is marked on the quick connector. The testing device has high compatibility, simple operation, and can meet more than 80% of the electric slip ring conduction and insulation resistance test work.
[0051] According to some embodiments of the present application, the electric slip ring conduction and insulation resistance testing device further comprises a multimeter and an ohmmeter.
[0052] It should be noted that the advantages of the detection device provided in the above embodiments include:
[0053] 1. The testing device is simple to operate, and the testing efficiency is greatly improved. The serial number of the testing device quick connector is arranged in sequence, and the slip ring number can be directly one-to-one corresponding, which directly omits the step of finding the corresponding ring number in the electric slip ring conduction and insulation resistance test work. Compared with the traditional one-to-one corresponding ring number wire test method, the efficiency is improved by nearly 40%.
[0054] 2. The testing device has high compatibility and can meet more than 80% of the test work. The electric slip ring testing device can cover the loop conduction and insulation resistance test work of the electric slip ring with 1-120 loops (240 loops at the rotor end and the stator end).
[0055] 3. The electric slip ring testing device can directly check the number of loops, and also can directly screen out the problems of repeated slip ring numbers and incorrect slip ring numbers.
[0056] Exemplarily, the operation steps include:
[0057] Step 1: Find the corresponding project acceptance specification of the electric slip ring, and take out the electric slip ring to implement the conduction and insulation resistance test from the packaging bag. Place the electric slip ring in the electric slip ring containing space, and connect the slip ring rotor end and stator end ring numbers with the serial number mark on the quick connector one by one.
[0058] Step 2: Adjust the multimeter to the buzzer position, set one test terminal of the multimeter in the slot of the first quick connector, set the other test terminal in the slot of the second quick connector, test the electrical continuity of all loops, and record the effective loop continuity test results in the performance parameter test column of the "purchased materials into the inspection record table".
[0059] Step 3: Adjust the megohmmeter to the required DC voltage position, test the insulation resistance of each ring lead ring of the electric slip ring to the slip ring shell: clamp one test terminal of the megohmmeter on the shell of the slip ring, and the other test terminal contacts the second conductive part of the first quick connector or the second conductive part of the second quick connector in turn, and press the test key to test the insulation resistance of the ring-shell; test the insulation resistance of each ring lead ring of the electric slip ring to the rest of the ring, and record the effective loop continuity test results in the slip ring insulation resistance test record table (see Figure 6: Electric slip ring insulation resistance detection). Figure 3
[0060] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An electrical slip ring continuity and insulation resistance testing device, characterized by, The device comprises: a rack comprising first and second supports arranged in a first direction, and a space for accommodating an electric slip ring between the first and second supports; a plurality of first and second quick connectors corresponding to the rotor and stator conductors of the electric slip ring, respectively, the first quick connectors being arranged in a second direction on the first support to form at least part of a rotor terminal assembly, and the second quick connectors being arranged in the second direction on the second support to form at least part of a stator terminal assembly; wherein, in the rotor terminal assembly, each first quick connector is provided with a first serial number mark arranged in the second direction and sequentially increasing, and in the stator terminal assembly, each second quick connector is provided with a second serial number mark arranged in the second direction and sequentially increasing, the first serial number mark of the corresponding first quick connector being the same as the second serial number mark of the corresponding second quick connector, and the first direction being perpendicular to the second direction.
2. The device according to claim 1, wherein: each quick connector comprises an insulating body, a pressing plate, a first conductive piece and a second conductive piece; the insulating body is provided with a hole on one side in the first direction, the hole being for inserting the conductor, the top surface of the insulating body is provided with a notch and a slot arranged in the first direction, the notch being in communication with the hole, the slot being in communication with the notch, the pressing plate is hinged to the insulating body and is used for pressing into the slot, the first conductive piece is arranged on the pressing plate and is used for contacting the conductor in the slot, and the second conductive piece is arranged in the slot and is connected with the first conductive piece.
3. The device according to claim 2, wherein: each quick connector further comprises a fixing plate, the fixing plate is fixed to the insulating body by bolts, and the first support is clamped and fixed by the fixing plate and the insulating body.
4. The device according to claim 2, wherein: the first conductive piece is a copper sheet arranged on the pressing plate, and the copper sheet is arc-shaped.
5. The device according to claim 4, wherein: the second conductive piece comprises a conductive ring arranged in the slot and contacting the copper sheet.
6. The device according to any one of claims 1-5, wherein: the number of the first supports is two, and the two first supports are arranged in a height direction, the height direction, the first direction and the second direction being perpendicular to each other in pairs; the number of the second supports is two, and the two second supports are arranged in the height direction.
7. The device according to claim 6, wherein: Each of the first support is provided with 60 first quick connector, each of the second support is provided with 60 second quick connector.
8. The electrical slip ring continuity and insulation resistance verification device of claim 1, wherein, The rack further comprises a connecting rod, and the first support and the second support are connected through the connecting rod.
9. The electrical slip ring continuity and insulation resistance verification device of claim 1, wherein, The electrical slip ring continuity and insulation resistance verification device further comprises a multimeter and an ohmmeter.