Nano-crystal iron core LCR multi-turn test tool
By designing a multi-turn LCR testing fixture for nanocrystalline iron cores, the fixture utilizes a clamping plate and an electric push rod to position and power the iron core, solving the problem of cumbersome measurement in existing technologies and enabling fast and convenient multi-turn LCR testing.
Patent Information
- Application Number
- CN202422848976.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-21
AI Technical Summary
The lack of dedicated testing fixtures for LCR multi-turn testing of existing nanocrystalline iron cores makes the measurement process cumbersome and inconvenient for rapid detection.
A multi-turn LCR testing fixture for nanocrystalline iron cores was designed, comprising a base, a support device, measuring tweezers, an LCR measuring device, a support plate, a U-shaped worktable, an electric push rod, a positioning seat, a clamping plate, an arc-shaped bayonet, a positive conductive copper plate, and a negative conductive copper plate. The clamping plate and the electric push rod achieve the positioning and clamping of the iron core, forming a closed circuit. Power is supplied by a battery and a power control switch, simplifying the measurement process.
This enables rapid and convenient multi-turn LCR testing of nanocrystalline iron cores, improving measurement efficiency and accuracy.
Smart Images
Figure CN223565794U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test frock technical field, concretely relates to a kind of nanocrystalline core LCR multi-turn test frock. BACKGROUND
[0002] Nanocrystalline core, after preliminary production is completed, the inductance of core needs to be determined, to ensure that inductance meets standard.
[0003] The existing nanocrystalline core is short of special test frock when using LCR measuring instrument to test, and needs manual operation to connect the wire coil of nanocrystalline core to positive and negative poles respectively using conductive device after winding multi-turn wire, to form closed circuit, and then use LCR measuring instrument to detect, the process is more complicated, and it is not convenient for rapid measurement of nanocrystalline core, so it is necessary to solve the problem that the existing nanocrystalline core is short of special frock when LCR multi-turn test is carried out, and it is not convenient for LCR multi-turn test of nanocrystalline core. UTILITY MODEL CONTENT
[0004] In view of the above problems existing in the prior art, the utility model is proposed.
[0005] Therefore, the utility model aims at providing a kind of nanocrystalline core LCR multi-turn test frock, to solve the problem that the existing nanocrystalline core is short of special frock when LCR multi-turn test is carried out, and it is not convenient for LCR multi-turn test of nanocrystalline core.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of nanocrystalline core LCR multi-turn test frock, including base, the top of the base is fixedly connected with support device, the both ends of the support device are sleeved with measuring tweezers, the top of the base one end is fixedly connected with LCR measuring device, and the input end of the measuring tweezers and the output end of LCR measuring device are electrically connected, the top of the base other end is fixedly connected with support plate, the top of the support plate is fixedly connected with U-shaped workbench, the one end cavity of the U-shaped workbench is fixedly connected with electric push rod, the one end of the electric push rod passes through the top of U-shaped workbench, and is fixedly connected with positioning seat, the cavity of the positioning seat is fixedly connected with clamping plate by drive mechanism, the one end bottom of the U-shaped workbench and the top of positioning seat are all provided with arc-shaped socket, and the both ends of the arc-shaped socket are fixedly connected with positive electrode conductive copper plate and negative electrode conductive copper plate respectively.
[0007] Preferably, the driving mechanism comprises a limiting slide rod, a rotating shaft and a screw rod, the limiting slide rod is slidably connected in the cavity of the positioning seat, one end of the limiting slide rod is fixedly connected with the side wall of the clamping plate, the side wall of the clamping plate is fixedly connected with the rotating shaft through a opening, one end of the rotating shaft is fixedly connected with the screw rod, and one end of the screw rod is threadedly connected with a threaded opening of the side wall of the positioning seat.
[0008] Preferably, the cavity of the supporting plate is fixedly connected with a storage battery, the output end of the storage battery is electrically connected with the input end of the positive and negative conductive copper plates, and the side wall of the supporting plate is fixedly connected with a power control switch.
[0009] Preferably, the side wall of the U-shaped workbench is fixedly connected with an air convection type electric heater through a opening, and the top of the U-shaped workbench is fixedly connected with a guiding placing box.
[0010] Further, the other end of the rotating shaft penetrates through the clamping plate and is fixedly connected with a rotating handle.
[0011] Preferably, the surfaces of the U-shaped workbench, the positioning seat and the clamping plate are provided with rubber insulation coating.
[0012] In the above technical scheme, the technical effects and advantages of the utility model are as follows:
[0013] 1. The utility model discloses a clamping plate arranged in the positioning seat is driven by a driving mechanism to clamp and position the bottom of the nanocrystalline iron core, an electric push rod is arranged to drive the clamping plate to contact the arc-shaped socket at the top and clamp and fix the nanocrystalline iron core, negative and positive conductive copper plates arranged in the arc-shaped sockets at both ends are contacted with the wires at both ends of the nanocrystalline iron core to form a closed circuit, and a measuring tweezers arranged at one end of the LCR measuring device is used to detect the nanocrystalline iron core.
[0014] 2. The utility model discloses a screw rod arranged in the threaded opening of the side wall of the positioning seat is used to drive the clamping plate to move horizontally under the assistance of the limiting slide rods at both ends to clamp and position the nanocrystalline iron core.
[0015] 3. The utility model discloses a storage battery and a power control switch arranged in the supporting plate are used to control the storage battery to supply power to the positive and negative conductive copper plates through the power control switch. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.
[0017] Figure 1 It is a front structure sectional view of the present application.
[0018] Figure 2 It is a partial structure sectional view of the present application.
[0019] Figure 3 It is a top structure sectional view of the present application.
[0020] Figure 4 It is a positioning seat three-dimensional structure schematic view of the present application.
[0021] Mark explanation:
[0022] 1, base; 2, support device; 3, measuring tweezers; 4, LCR measuring device; 5, support plate; 6, U-shaped workbench; 7, electric push rod; 8, positioning seat; 9, clamping plate; 10, arc-shaped bayonet; 11, positive electrode conductive copper plate; 12, negative electrode conductive copper plate; 13, limiting sliding rod; 14, rotating shaft; 15, screw; 16, battery; 17, power control switch; 18, air convection type electric heater; 19, guiding placement box; 20, rotating handle. Specific implementation
[0023] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail in combination with the drawings.
[0024] The embodiment of the present application discloses a nanocrystalline iron core LCR multi-turn test tool.
[0025] The present application provides a kind of Figures 1-4The illustrated nanocrystalline core LCR multi-turn test tool, including the base 1, the top of the base 1 is fixedly connected with the support device 2, the both ends of the support device 2 are sleeved with the measuring tweezers 3, the top of the base 1 is fixedly connected with the LCR measuring device 4, the input end of the both ends of the measuring tweezers 3 and the output end of the LCR measuring device 4 are electrically connected, the top of the base 1 is fixedly connected with the supporting plate 5, the top of the supporting plate 5 is fixedly connected with the U-shaped workbench 6, one end of the U-shaped workbench 6 is fixedly connected with the electric push rod 7 in the cavity, one end of the electric push rod 7 passes through the top of the U-shaped workbench 6, and is fixedly connected with the positioning seat 8, the clamping plate 9 is fixedly connected in the cavity of the positioning seat 8 through the driving mechanism, the bottom of one end of the U-shaped workbench 6 and the top of the positioning seat 8 are both provided with the arc-shaped clamping hole 10, the both ends of the arc-shaped clamping hole 10 are fixedly connected with the positive electrode conductive copper plate 11 and the negative electrode conductive copper plate 12 respectively, by using the positioning seat 8, the nanocrystalline core with wires wound is vertically placed into the arc-shaped clamping hole 10 on the top of the positioning seat 8, the clamping plate 9 is driven by the driving mechanism to clamp and position the bottom of the nanocrystalline core, the electric push rod 7 drives the rising to contact with the arc-shaped clamping hole 10 on the top, the nanocrystalline core is clamped and fixed, the negative electrode conductive copper plate 12 at the bottom and the positive electrode conductive copper plate 11 on the top are in contact with the wires at both ends of the nanocrystalline core, a closed circuit is formed through conduction, the measuring tweezers 3 at both ends are held, clamped at both ends of the nanocrystalline core and in contact with the wires, and detected by the LCR measuring device 4 electrically connected with the measuring tweezers 3, so as to solve the problem that the existing nanocrystalline core lacks a special tool when performing LCR multi-turn test, and is not convenient for LCR multi-turn test of the nanocrystalline core.
[0026] In order to drive the clamping plate 9 to move and clamp and position nanocrystalline cores of different thicknesses, as shown, Figures 1-4 The driving mechanism includes the limiting slide rod 13, the rotating shaft 14 and the screw rod 15, the both ends of the limiting slide rod 13 are slidably connected in the cavity of the positioning seat 8, one end of the both ends of the limiting slide rod 13 passes through the side wall of the positioning seat 8, and is fixedly connected with the side wall of the clamping plate 9, the side wall of the clamping plate 9 is fixedly connected with the rotating shaft 14 by being provided with an opening, one end of the rotating shaft 14 is fixedly connected with the screw rod 15, one end of the screw rod 15 is threadedly connected with the threaded opening provided in the side wall of the positioning seat 8, the screw rod 15 provided in the threaded opening in the side wall of the positioning seat 8 drives the clamping plate 9 to move transversely in the rotating process with the aid of the both ends of the limiting slide rod 13, and clamps and positions the nanocrystalline core.
[0027] In order to supply power to the positive electrode conductive copper plate 11 and the negative electrode conductive copper plate 12, as shown, Figures 1-3As shown, a storage battery 16 is fixedly connected inside the cavity of the support plate 5. The output terminal of the storage battery 16 is electrically connected to the input terminals of the positive conductive copper plate 11 and the negative conductive copper plate 12. A power control switch 17 is fixedly connected to the side wall of the support plate 5. By using the storage battery 16 and the power control switch 17, the storage battery 16 can supply power to the positive conductive copper plate 11 and the negative conductive copper plate 12 through the power control switch 17.
[0028] To ensure the nanocrystalline iron core is kept at a suitable temperature for testing, such as... Figure 1 and 2 As shown, an air convection electric heater 18 is fixedly connected to the side wall of the U-shaped workbench 6 through an opening, and a wire placement box 19 is fixedly connected to the top of the U-shaped workbench 6. The air convection electric heater 18 is used to keep the nanocrystalline iron core at a suitable temperature for testing, and the wire placement box 19 is used to facilitate the winding of wires around the nanocrystalline iron core for testing before testing.
[0029] To facilitate manual rotation of screw 15, such as Figure 2 and 3 As shown, the other end of the rotating shaft 14 passes through the clamping plate 9 and is fixedly connected to a rotating handle 20. The rotating handle 20 facilitates the manual rotation of the screw 15 via the rotating shaft 14.
[0030] Finally, to prevent current from being diverted into other components when power is applied, such as... Figures 1-4 As shown, the surfaces of the U-shaped worktable 6, the positioning seat 8, and the clamping plate 9 are all provided with a rubber insulating coating. The rubber insulating coating is used to prevent current from being conducted into other components when energized.
[0031] Working principle:
[0032] In use, the nanocrystalline iron core, after being wound with wires, is vertically placed into the arc-shaped bayonet 10 at the top of the positioning seat 8. The driving mechanism drives the clamping plate 9 to clamp and position the bottom of the nanocrystalline iron core. The electric push rod 7 is driven to rise and contact the arc-shaped bayonet 10 at the top, clamping and fixing the nanocrystalline iron core. The negative conductive copper plate 12 at the bottom and the positive conductive copper plate 11 at the top contact the wires at both ends of the nanocrystalline iron core. The power control switch 17 controls the battery 16 to supply power to the positive conductive copper plate 11 and the negative conductive copper plate 12, forming a closed circuit through conductivity. The operator holds the measuring tweezers 3 with both hands, clamping them at both ends of the nanocrystalline iron core, while simultaneously clamping and contacting the wires. The LCR measuring device 4, which is electrically connected to the measuring tweezers 3, is used to detect the results, thus solving the problem that existing nanocrystalline iron cores lack dedicated tooling for LCR multi-turn testing, making it inconvenient to perform LCR multi-turn testing on nanocrystalline iron cores.
[0033] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A multi-turn testing fixture for nanocrystalline iron core LCR, comprising a base (1), characterized in that: A support device (2) is fixedly connected to the top of the base (1). Measuring tweezers (3) are sleeved at both ends of the support device (2). An LCR measuring device (4) is fixedly connected to one end of the top of the base (1). The input ends of the measuring tweezers (3) and the output ends of the LCR measuring device (4) are electrically connected. A support plate (5) is fixedly connected to the other end of the top of the base (1). A U-shaped worktable (6) is fixedly connected to the top of the support plate (5). An electric push rod (7) is fixedly connected to one end of the cavity of (6). One end of the electric push rod (7) passes through the top of the U-shaped workbench (6) and is fixedly connected to a positioning seat (8). A clamping plate (9) is fixedly connected to the cavity of the positioning seat (8) through a driving mechanism. An arc-shaped bayonet (10) is provided at the bottom of one end of the U-shaped workbench (6) and the top of the positioning seat (8). A positive conductive copper plate (11) and a negative conductive copper plate (12) are fixedly connected to the arc-shaped bayonet (10) at both ends, respectively.
2. The nanocrystalline iron core LCR multi-turn testing fixture according to claim 1, characterized in that: The driving mechanism includes a limiting slide rod (13), a rotating shaft (14), and a screw (15). The limiting slide rod (13) is slidably connected to both ends of the cavity of the positioning seat (8). One end of the limiting slide rod (13) at both ends passes through the side wall of the positioning seat (8) and is fixedly connected to the side wall of the clamping plate (9). The rotating shaft (14) is fixedly connected to the side wall of the clamping plate (9) through an opening. The screw (15) is fixedly connected to one end of the rotating shaft (14). One end of the screw (15) is threadedly connected to the threaded opening on the side wall of the positioning seat (8).
3. The nanocrystalline iron core LCR multi-turn testing fixture according to claim 1, characterized in that: A storage battery (16) is fixedly connected inside the cavity of the support plate (5). The output end of the storage battery (16) is electrically connected to the input end of the positive conductive copper plate (11) and the negative conductive copper plate (12). A power control switch (17) is fixedly connected to the side wall of the support plate (5).
4. The nanocrystalline iron core LCR multi-turn testing fixture according to claim 1, characterized in that: An air convection electric heater (18) is fixedly connected to the side wall of the U-shaped workbench (6) through an opening, and a guide box (19) is fixedly connected to the top of the U-shaped workbench (6).
5. The nanocrystalline iron core LCR multi-turn testing fixture according to claim 2, characterized in that: The other end of the shaft (14) passes through the clamping plate (9) and is fixedly connected to a rotating handle (20).
6. The nanocrystalline iron core LCR multi-turn testing fixture according to claim 1, characterized in that: The surfaces of the U-shaped worktable (6), positioning seat (8) and clamping plate (9) are all provided with a rubber insulating coating.