Current transmitter inspection device

Through the design of the clamping mechanism, the use of the adjustability of the compression spring and slider in conjunction with the clamping plate, combined with the stability of the servo motor and guide rod, the problem of shaking of the current transmitter during the inspection process is solved, achieving stable clamping and efficient inspection.

CN223486167UActive Publication Date: 2025-10-28NANJING TIANPU ELECTROMECHANICAL PROD MFG CO LTD
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Patent Information

Application Number
CN202423195419.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-10-28
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

During use of the existing current transmitter testing device, the current transmitter is prone to shaking, which makes the testing operation inconvenient.

Method used

The clamping mechanism is adopted, and the combination of the compression spring and the slider makes the clamping plate position adjustable. Combined with the design of the servo motor and the guide rod, it ensures that the current transmitter is stably clamped during the inspection process and reduces damage through the sponge pad.

Benefits of technology

It achieves stable clamping of the current transmitter during the inspection process, avoids displacement, improves inspection efficiency and stability, and is suitable for simultaneous fixing of multiple current transmitters.

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Abstract

The utility model provides a current transmitter inspection device, which relates to the technical field of current transmitters and comprises a clamping mechanism, and an inspection assembly is fixedly mounted on one side of the top of the clamping mechanism. The clamping mechanism comprises a bottom plate and a connecting disc, the outer wall of the connecting disc is fixedly connected with a connecting plate, the inner wall of the connecting plate is slidably connected with a sliding block, the top of the sliding block is fixedly connected with a clamping plate, the inner wall of the clamping plate is fixedly connected with a sponge pad, and the inner wall of the connecting plate is fixedly connected with a compression spring. The outer walls of the connecting plates are fixedly connected with guide rods, a servo motor is fixedly installed at the top of the bottom plate, the positions of the clamping plates can be adjusted through cooperation of compressed springs and sliding blocks, when a current converter is placed between the two clamping plates, the clamping plates can utilize the elastic force of the corresponding compressed springs, the current converter can be powerfully clamped, and the clamping plates are not prone to falling off. Therefore, displacement in the subsequent inspection process is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of current transmitter technology, and in particular to a current transmitter testing device. Background Technology

[0002] A current transmitter is a measuring instrument that converts the measured AC or DC current signal into a standard DC voltage or DC current signal output in a linear proportion.

[0003] A current transmitter testing device is a specialized instrument for testing and calibrating the performance of current transmitters. It measures the transmitter's output signal by simulating different current inputs to evaluate key performance indicators such as accuracy, stability, and response speed.

[0004] An existing current transmitter testing device has the following shortcomings:

[0005] To ensure performance, current transmitters typically need to be inspected before use. In current technology, they are often simply placed on a table and inspected with a multimeter. However, because the current transmitter is not properly secured, it is prone to shaking, making inspection difficult. Utility Model Content

[0006] This invention achieves adjustable clamping plate position through the cooperation of compression spring and slider. When the current converter is placed between the two clamping plates, the clamping plates can use the elastic force of the corresponding compression spring to forcefully clamp the current converter, so as to avoid displacement during subsequent inspection and solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a current transmitter testing device, comprising a clamping mechanism, wherein a testing component is fixedly installed on one side of the top of the clamping mechanism; the clamping mechanism comprises a base plate and a connecting disc, wherein a connecting plate is fixedly connected to the outer wall of the connecting disc, a slider is slidably connected to the inner wall of the connecting plate, a clamping plate is fixedly connected to the top of the slider, a sponge pad is fixedly connected to the inner wall of the clamping plate, a compression spring is fixedly connected to the inner wall of the connecting plate, a guide rod is fixedly connected to the outer wall of the connecting plate, a servo motor is fixedly installed on the top of the base plate, and a set of circular grooves is opened on the top of the base plate. Through the above components, the displacement of the current transmitter during the testing process can be avoided, and the clamping and fixing method is relatively indirect, allowing for the simultaneous clamping and fixing of three current transmitters.

[0008] Preferably, one end of the compression spring is fixedly connected to the outer wall of the slider, and the other end of the compression spring is fixedly connected to the inner wall of the connecting plate, so that both ends of the compression spring are connected, thus preventing detachment during use.

[0009] Preferably, the outer wall of the guide rod is slidably connected to the inner wall of the clamping plate, and the output end of the servo motor is fixedly connected to the bottom of the connecting disc, so that the clamping plate can slide normally on the guide rod, which can improve the stability of the clamping plate when moving.

[0010] Preferably, the inner wall of the circular groove is slidably connected with a connecting rod, and the top of the connecting rod is fixedly connected to the bottom of the connecting disc. The connecting rod and the circular groove can improve the stability of the connecting disc and the connecting plate during rotation.

[0011] Preferably, a control panel is fixedly installed on one side of the top of the base plate, and self-locking wheels are fixedly installed on the bottom of the base plate. The control panel facilitates the user to control and use the components and connects them electrically. The self-locking wheels improve the overall flexibility.

[0012] Preferably, the inspection component includes an electric push rod, the shaft end of which is fixedly connected to a movable plate. A multimeter is fixedly installed on one side of the top of the movable plate. The height of the movable plate and the multimeter can be adjusted by the electric push rod to meet different needs.

[0013] Preferably, a connecting wire is fixedly connected to the outer wall of the multimeter, and a probe is fixedly connected to one end of the connecting wire. A first support block and a second support block are fixedly connected to the top of the movable plate, respectively. The inner walls of the first support block and the second support block are slidably connected to the outer walls of the probe and the connecting wire. By setting the first support block and the second support block, the connecting wire and the probe can be supported, so that they can be stably placed on the movable plate.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0015] 1. In this utility model, the position of the clamping plate can be adjusted by the cooperation of the compression spring and the slider. When the current converter is placed between the two clamping plates, the clamping plates can use the elastic force of the corresponding compression spring to clamp the current converter forcefully, so as to avoid displacement during subsequent inspection. In addition, the clamping plate can be moved stably by the cooperation of the guide rod. The sponge pad is provided to reduce damage to the housing of the current transmitter.

[0016] 2. In this utility model, there are three connecting plates, which can clamp and fix three current converters in the future. With the cooperation of the servo motor box and the connecting disc, the current converter to be inspected can be rotated to the bottom position of the movable plate for subsequent inspection. The cooperation of multiple plates can improve the overall inspection efficiency. With the cooperation of the connecting rod and the circular groove, the connecting plate and the connecting disc can rotate stably. Attached Figure Description

[0017] Figure 1 This utility model provides a perspective view of the main structure of a current transmitter testing device.

[0018] Figure 2 An enlarged perspective view of the electric push rod connection structure in a current transmitter testing device is provided for this utility model.

[0019] Figure 3 An enlarged perspective view of the base plate connection structure in a current transmitter testing device is provided for this utility model.

[0020] Figure 4 An enlarged perspective view of the connecting disk structure in a current transmitter testing device is provided for this utility model.

[0021] Legend: 1. Clamping Mechanism; 101. Base Plate; 102. Connecting Rod; 103. Circular Groove; 104. Control Panel; 105. Self-Locking Wheel; 106. Servo Motor; 107. Connecting Disc; 108. Connecting Plate; 109. Clamping Plate; 110. Sponge Pad; 111. Guide Rod; 112. Compression Spring; 113. Slider; 2. Inspection Components; 201. Electric Push Rod; 202. Movable Plate; 203. Multimeter; 204. Connecting Wire; 205. Probe; 206. First Support Block; 207. Second Support Block. Detailed Implementation

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Please see Figure 1-Figure 4This utility model provides a technical solution: a current transmitter testing device, including a clamping mechanism 1, with a testing component 2 fixedly installed on one side of the top of the clamping mechanism 1; the clamping mechanism 1 includes a base plate 101 and a connecting disc 107, with connecting plates 108 fixedly connected to the outer wall of the connecting disc 107, sliders 113 slidably connected to the inner wall of the connecting plates 108, a clamping plate 109 fixedly connected to the top of the sliders 113, a sponge pad 110 fixedly connected to the inner wall of the clamping plate 109, a compression spring 112 fixedly connected to the inner wall of the connecting plates 108, and a guide rod 111 fixedly connected to the outer wall of the connecting plates 108; a servo motor 106 fixedly installed on the top of the base plate 101; and a set of circular grooves 103 opened on the top of the base plate 101. Through the upper component, the displacement of the current transmitter during the testing process can be avoided, and the clamping and fixing method is relatively indirect, allowing for the simultaneous clamping and fixing of three current transmitters.

[0025] like Figure 1 and Figure 4 As shown, one end of the compression spring 112 is fixedly connected to the outer wall of the slider 113, and the other end of the compression spring 112 is fixedly connected to the inner wall of the connecting plate 108, so that both ends of the compression spring 112 are connected to avoid detachment during use.

[0026] like Figure 1 and Figure 4 As shown, the outer wall of the guide rod 111 is slidably connected to the inner wall of the clamping plate 109, and the output end of the servo motor 106 is fixedly connected to the bottom of the connecting disc 107, so that the clamping plate 109 can slide normally on the guide rod 111, which can improve the stability of the clamping plate 109 when moving.

[0027] like Figure 1 and Figure 3 As shown, connecting rods 102 are slidably connected to the inner wall of the circular groove 103. The top of the connecting rod 102 is fixedly connected to the bottom of the connecting disc 107. By using the connecting rods 102 and the circular groove 103, the stability of the connecting disc 107 and the connecting plate 108 during rotation can be improved.

[0028] like Figure 1 and Figure 3 As shown, a control panel 104 is fixedly installed on one side of the top of the base plate 101, and self-locking wheels 105 are fixedly installed on the bottom of the base plate 101. The control panel 104 facilitates the user to control and use the components and connects them electrically. The self-locking wheels 105 improve the overall flexibility.

[0029] like Figure 1 and Figure 2As shown, the inspection component 2 includes an electric push rod 201. A movable plate 202 is fixedly connected to the shaft end of the electric push rod 201. A multimeter 203 is fixedly installed on one side of the top of the movable plate 202. The height of the movable plate 202 and the multimeter 203 can be adjusted by the electric push rod 201 so that they can be used according to different needs.

[0030] like Figure 1 and Figure 2 As shown, a connecting wire 204 is fixedly connected to the outer wall of the multimeter 203, and a probe 205 is fixedly connected to one end of the connecting wire 204. A first support block 206 and a second support block 207 are fixedly connected to the top of the movable plate 202, respectively. The inner walls of the first support block 206 and the second support block 207 are slidably connected to the outer walls of the probe 205 and the connecting wire 204. The first support block 206 and the second support block 207 can support the connecting wire 204 and the probe 205, so that they can be stably placed on the movable plate 202.

[0031] The user first places three current converters onto the connecting plate 108, which will then be positioned between the corresponding two clamping plates 109. During placement, the clamping plates 109 are forced to slide the corresponding sliders 113 within the connecting plate 108, while the corresponding compression springs 112 are under pressure. After complete placement, the clamping plates 109 can utilize the elasticity of the compression springs 112 to apply force force to the current converters, ensuring their stability during testing. Then, the user activates the electric push rod 201 via the control panel 104. During its extension and retraction, the electric push rod 201 moves the movable plate 202 and the multimeter 203 up and down, causing the multimeter 203 to... The height is adjustable. After adjustment, the user removes the probe 205 from the first support block 206. The connecting wire 204 is also moved out of the second support block 207 under force. The multimeter 203 is turned on, and the probe 205 is brought into contact with the terminal block on the current transmitter. The user can see the corresponding current value from the display screen on the multimeter 203. After one current transmitter has been tested, the current transmitter to be tested can be rotated to the bottom of the movable plate 202 by means of the servo motor 106, the connecting disc 107, the circular groove 103 and the connecting rod 102. The tested current transmitter can be taken out, and the one to be tested can be placed in the empty space. Repeating the operation can improve the overall testing efficiency.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A current transmitter testing device, characterized in that, It includes a clamping mechanism (1), and an inspection component (2) is fixedly installed on one side of the top of the clamping mechanism (1); The clamping mechanism (1) includes a base plate (101) and a connecting disc (107). The outer wall of the connecting disc (107) is fixedly connected to a connecting plate (108). The inner wall of the connecting plate (108) is slidably connected to a slider (113). The top of the slider (113) is fixedly connected to a clamping plate (109). The inner wall of the clamping plate (109) is fixedly connected to a sponge pad (110). The inner wall of the connecting plate (108) is fixedly connected to a compression spring (112). The outer wall of the connecting plate (108) is fixedly connected to a guide rod (111). The top of the base plate (101) is fixedly mounted with a servo motor (106). The top of the base plate (101) has a set of circular grooves (103).

2. The current transmitter testing device according to claim 1, characterized in that: One end of the compression spring (112) is fixedly connected to the outer wall of the slider (113), and the other end of the compression spring (112) is fixedly connected to the inner wall of the connecting plate (108).

3. The current transmitter testing device according to claim 1, characterized in that: The outer wall of the guide rod (111) is slidably connected to the inner wall of the clamping plate (109), and the output end of the servo motor (106) is fixedly connected to the bottom of the connecting disc (107).

4. The current transmitter testing device according to claim 1, characterized in that: The inner wall of each circular groove (103) is slidably connected with a connecting rod (102), and the top of the connecting rod (102) is fixedly connected to the bottom of the connecting disc (107).

5. The current transmitter testing device according to claim 1, characterized in that: A control panel (104) is fixedly installed on one side of the top of the base plate (101), and self-locking wheels (105) are fixedly installed on the bottom of the base plate (101).

6. The current transmitter testing device according to claim 1, characterized in that: The inspection component (2) includes an electric push rod (201), the shaft end of which is fixedly connected to a movable plate (202), and a multimeter (203) is fixedly installed on one side of the top of the movable plate (202).

7. A current transmitter testing device according to claim 6, characterized in that: A connecting wire (204) is fixedly connected to the outer wall of the multimeter (203), and a probe (205) is fixedly connected to one end of the connecting wire (204). A first support block (206) and a second support block (207) are fixedly connected to the top of the movable plate (202). The inner walls of the first support block (206) and the second support block (207) are slidably connected to the outer walls of the probe (205) and the connecting wire (204).