Anti-interference current acquisition device and method applied to capacitor bank
By adopting a combination of a current sensing mechanism, a compression mechanism and a data processing mechanism in the capacitor bank, the interference and convenience of the capacitor bank current acquisition device is solved, and efficient and stable acquisition and monitoring of the current of the wire group is achieved.
Patent Information
- Application Number
- CN202411629071.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2044-11-15
AI Technical Summary
The current acquisition device of the existing capacitor bank has great interference and is inconvenient for monitoring, especially because the convenience and stability of current monitoring are affected due to the beam-raising structure of the wire bank.
The anti-interference current acquisition device including a current sensing mechanism, a compression mechanism and a display mechanism is adopted. The compression rod is slided by the rotation of the driving component, allowing the wire component wire to penetrate into the current sensing mechanism, and signal amplification is performed in conjunction with the data processing mechanism. Filter and adjust to ensure stable signal transmission and display.
It improves the anti-interference and convenience and stability of current acquisition, ensuring the accurate collection and display of wire set current.
Smart Images

Figure CN119147825A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of current collection, and in particular to an anti-interference current collection device and method for a capacitor bank. Background Art
[0002] Current acquisition circuits are used to detect current changes in circuits and convert them into voltage signals for easy processing and measurement. Current acquisition circuits are circuits used to detect current in circuits. They are usually composed of current sensors, signal conditioning circuits, and analog-to-digital converters. Their main function is to convert input current into voltage signals, amplify, filter, and linearize the signals, and finally output digital current values. Current acquisition circuits are widely used in various situations where current needs to be monitored, controlled, and measured.
[0003] Current collection of capacitor groups is very important in the relay protection of capacitor groups. Accuracy needs to be ensured during the current collection process. However, there are many wires on the wire group of the existing capacitor group. If the wire group is collected and measured collectively, the interference of current collection applied to the capacitor group will be greater. If the wire group is monitored by separate induction, the wire group needs to be split because the two ends of the wire group are bundled structures, which affects the convenience and stability of current monitoring by the wire group on the capacitor group. Summary of the invention
[0004] The object of the present invention is to provide an anti-interference current acquisition device and method for a capacitor bank, so as to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solution: an anti-interference current collection device applied to a capacitor bank, comprising: a bottom plate, the upper surface of which is provided with a collection input terminal body; A plurality of current sensing mechanisms are arranged in the middle of the main body of the acquisition input end, and a same pressing mechanism is arranged outside the plurality of current sensing mechanisms, and the pressing mechanism comprises: A plurality of fixing blocks, wherein the plurality of fixing blocks are respectively fixed on two sides of the top of the acquisition input terminal body; A driving assembly, wherein the driving assembly is arranged in the middle of one of the fixed blocks; A clamping rod is horizontally slid on the top of a plurality of fixed blocks, a display mechanism is arranged on the top of the clamping rod, and a data processing mechanism for data collection is arranged between the acquisition input end body and the bottom plate.
[0006] Preferably, the current sensing mechanism comprises: A Hall sensor base, wherein a plurality of the Hall sensor bases are arranged in the same manner and fixed at equal distances in the middle of the acquisition input end body; An induction clamp ring, one end of which is rotated on the top of the Hall sensor base through a torsion spring hinge; An arc groove, wherein the arc groove is provided on the top of the induction clamp ring; A plurality of magnetic core components, wherein the plurality of magnetic core components are relatively arranged between the induction clamp ring and the Hall sensor base; A push-up assembly, wherein the push-up assembly is arranged at the other end of the induction clamp ring; The clamping assembly is fixed to one side of the bottom of the Hall sensor base.
[0007] Preferably, the magnetic core assembly comprises: A first magnetic core clamp, fixed to two ends of the top of the Hall sensor base relative to the first magnetic core clamp; An embedding groove, wherein the embedding groove is provided at an end of the induction clamp ring; The second magnetic core clamp is fixed to the inner wall of the embedding groove, and the second magnetic core clamp is inserted and clamped with the inner cavity of the first magnetic core clamp.
[0008] Preferably, the jacking assembly comprises: A positioning tube, wherein the positioning tube is fixed to one side of an adjacent Hall sensor base; A mandrel, the mandrel is slidably connected to the inner cavity of the positioning tube, and a pull rope is fixedly connected between the plurality of mandrels; A first compression spring, wherein the first compression spring is fixed to the bottom of the positioning tube, and the bottom end of the first compression spring is fixed to the bottom of the push rod; A top block is fixed to the top end of the top rod, and the top of the top block is pushed against the bottom of the engaging assembly.
[0009] Preferably, the engaging assembly comprises: A clamping block, the clamping block being fixed to the other end of the induction clamping ring; A water drop block, the water drop block is fixed to the bottom end of the clamp block, and the top block is used for fitting and pushing the water drop block; A card shell, wherein the card shell is fixed to one side of the top of the Hall sensor base; A bullet block, the bullet block rotates on one side of the jammed shell; A rotating rod, the top end of which is fixed to the bottom end of the elastic block; A positioning frame, wherein the positioning frame is fixed to one side of the top of the card shell, and the rotating rod is rotatably connected with the bottom of the positioning frame; a second compression spring, wherein the second compression spring is fixed between the elastic block and the positioning frame; An arc rod is inserted into the inner cavity of the second compression spring, one end of the arc rod is fixed to the outer wall of the elastic block, and the arc rod is slidably inserted and connected with one end of the positioning frame.
[0010] Preferably, the driving assembly comprises: A rotation groove, wherein the rotation groove is provided in the middle of one of the fixed blocks; A rotating block, both ends of which are rotatably inserted into the middle of one of the fixed blocks through bearings; A gear is fixed to the middle of the rotating block, the gear is arranged at the bottom of the pressing rod, and the display mechanism is arranged between two adjacent fixed blocks.
[0011] Preferably, the pressing rod comprises: A rod body, wherein the rod body is slidably connected with the tops of the plurality of fixed blocks, and the rod body is slidably connected with the inner cavities of the plurality of arc-shaped grooves; A tooth groove, wherein the tooth groove is provided in the middle of the lower surface of the rod body; A card slot is provided on the upper surface of the rod body.
[0012] Preferably, the display mechanism comprises: A digital display screen, the digital display screen rotates between two adjacent fixed blocks, and both sides of the digital display screen are fixedly connected with a plurality of hooks; A connecting block, wherein the connecting block is fixed to one end of the digital display screen; A positioning block, the positioning block is fixed to the top of one of the fixing blocks, and the positioning block is rotated with one end of the connecting block through a pin shaft; A plurality of rolling balls, one of which is embedded in the bottom of the digital display screen, and another of which is embedded in the inner cavity of the card slot; A telescopic rod is fixed between two adjacent rolling balls.
[0013] Preferably, the data processing mechanism includes: A signal conditioning circuit, wherein the signal conditioning circuit is fixed between the bottom plate and the acquisition input terminal body; A data collector, which is arranged on one side of the signal conditioning circuit and includes an analog-to-digital converter and a microprocessor. The analog-to-digital converter converts the conditioned analog signal into a digital signal and transmits it to the microprocessor for processing; The communication interface is installed on both sides of the bottom plate.
[0014] The present invention also provides a method for anti-interference current collection of a capacitor bank, comprising the following specific steps: Step 1: Connect one end of the wire group to one end of the main body of the collection input end so that the branch line current can be connected through a separate input channel, and rotate the drive assembly so that the pressing rod can slide on the current sensing mechanism, so that the branch lines of the capacitor wire group can respectively penetrate the inner cavity of the current sensing mechanism to convert the current signal into a voltage signal; Step 2: The wire group can amplify, filter and offset the signal through the data processing mechanism, and is convenient for signal processing and data collection, and transmits the collected signal to the display mechanism for data display and monitoring; Step 3: Rotate the driving assembly in the opposite direction so that its clamping rod can clamp the multiple current sensing mechanisms and simultaneously rotate the display mechanism to the top of the clamping rod.
[0015] Technical effects and advantages of the present invention: (1) The present invention utilizes a configuration in which a current sensing mechanism, a clamping mechanism, and a display mechanism are coordinated. By rotating a driving assembly, the sliding stability of the clamping rod is facilitated, and the middle of the unconstrained wire group can be respectively inserted into the middle of the current sensing mechanism, thereby improving the anti-interference performance of current collection, improving the convenience and stability of monitoring the wire group, and at the same time facilitating the display mechanism to be arranged in a stable structure between two fixed blocks, making the monitoring of the collected data more convenient; (2) The present invention utilizes a setting method in which the data processing mechanism and the acquisition input end body cooperate with each other, so that the acquisition input end body can filter and limit the voltage of the current chassis to prevent the input signal from exceeding the tolerance range of the device, and through the data processing mechanism, it is convenient to amplify, adjust and capture the signal, facilitate the acquisition of the signal, and enable the signal to be stably transmitted to the display mechanism for monitoring and display. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0017] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the present invention.
[0018] Figure 3 It is a schematic diagram of the side sectional structure of the pressing rod of the present invention.
[0019] Figure 4 For the present invention Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.
[0020] Figure 5 For the present invention Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.
[0021] Figure 6 For the present invention Figure 2 Schematic diagram of the partial enlarged structure at point C in the middle.
[0022] Figure 7 For the present invention Figure 6 Schematic diagram of the local enlarged structure at point D in the middle.
[0023] Figure 8 Schematic diagram of the current collection method of the present invention.
[0024] In the figure: 1, bottom plate; 2, collection input terminal body; 3, current sensing mechanism; 31, Hall sensor base; 32, induction clamp ring; 33, arc groove; 34, magnetic core assembly; 341, first magnetic core clamp; 342, embedded groove; 343, second magnetic core clamp; 35, push assembly; 351, positioning tube; 352, push rod; 353, first compression spring; 354, push block; 36, clamping assembly; 361, clamp block; 362, water drop block; 363, jam shell; 364, spring block; 365, rotating rod; 366, positioning Frame; 367, second compression spring; 368, arc rod; 4, clamping mechanism; 41, fixed block; 42, driving assembly; 421, rotating groove; 422, rotating block; 423, gear; 43, clamping rod; 431, rod body; 432, tooth groove; 433, card slot; 5, display mechanism; 51, digital display screen; 52, connecting block; 53, positioning block; 54, rolling ball; 55, telescopic rod; 6, data processing mechanism; 61, signal adjustment circuit; 62, data collector; 63, communication interface; 7, pull rope; 8, hook. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] The present invention provides Figure 1-8 The anti-interference current acquisition device applied to a capacitor bank shown in the figure comprises: a bottom plate 1, a collection input terminal body 2 is arranged on the upper surface of the bottom plate 1, and the collection input terminal body 2 comprises a housing with multiple input terminals, a power supply, multiple filters and a voltage limiter. The housing with multiple input terminals, the power supply, multiple filters and the voltage limiter are existing structures. Through the multiple input terminals on the housing, it is convenient to connect multiple lines for accessing current signals, and the input channel of each input terminal comprises a filter, a voltage limiter and other protection circuits to prevent the input signal from exceeding the tolerance range of the device; Further, a plurality of current sensing mechanisms 3 are provided in the middle of the acquisition input terminal body 2, and the current sensing mechanisms 3 include: a Hall sensor base 31, an induction clamp ring 32, an arc groove 33, a plurality of magnetic core components 34, a push assembly 35 and a clamping assembly 36. The plurality of Hall sensor bases 31 are fixed in the middle of the acquisition input terminal body 2 in the same arrangement and at equal distances. One end of the induction clamp ring 32 is rotated on the top of the Hall sensor base 31 through a torsion spring hinge. The Hall sensor base 31 and the induction clamp ring 32 can form a complete current sensor, so that the current sensor can perform current measurement. The arc groove 33 is provided on the top of the induction clamp ring 32. Specifically, a plurality of magnetic core components 34 are relatively arranged between the induction clamp ring 32 and the Hall sensor base 31, and the magnetic core components 34 include: a first magnetic core clamp 341, an embedding groove 342 and a second magnetic core clamp 343. The two first magnetic core clamps 341 are relatively fixed to the two ends of the top of the Hall sensor base 31, the embedding groove 342 is opened at the end of the induction clamp ring 32, and the second magnetic core clamp 343 is fixed to the inner wall of the embedding groove 342. The second magnetic core clamp 343 is inserted and clamped with the inner cavity of the first magnetic core clamp 341. Through the clamping of the second magnetic core clamp 343 and the first magnetic core clamp 341, the Hall sensor base 31 and the induction clamp ring 32 can form a complete magnetic core, which is convenient for cooperating with the Hall sensor base 31 and the Hall element to convert the current signal into a voltage signal that is easy to measure; Specifically, the push-up assembly 35 is arranged at the other end of the induction clamp ring 32, and the push-up assembly 35 includes: a positioning tube 351, a push rod 352, a first compression spring 353 and a push block 354. The positioning tube 351 is fixed to one side of the adjacent Hall sensor base 31, and the push rod 352 is slidably connected with the inner cavity of the positioning tube 351. A pull rope 7 is fixedly connected between the multiple push rods 352, and the pull ropes 7 on both sides of the multiple push rods 352 are respectively in an "E" shape. The first compression spring 353 is fixed to the bottom of the positioning tube 351, and the bottom end of the first compression spring 353 is fixed to the bottom of the push rod 352. The push block 354 is fixed to the top of the push rod 352. By pulling the pull rope 7, it is convenient to pull up multiple push rods 352 at the same time, so that the push block 354 can stably move in the vertical direction; Specifically, the clamping assembly 36 is fixed to one side of the bottom of the Hall sensor base 31, and the clamping assembly 36 includes: a clamping block 361, a water drop block 362, a clamping shell 363, a spring block 364, a rotating rod 365, a positioning frame 366, a second compression spring 367 and an arc rod 368. The clamping block 361 is a gourd structure, and the clamping block 361 is fixed to the other end of the induction clamp ring 32. The water drop block 362 is fixed to the bottom end of the clamping block 361, and the top block 354 is used for the water drop block 362 to stick to the bottom end of the clamping block 361. The water drop block 362 is slidably connected with the bottom of the card shell 363, the card shell 363 is fixed to the top side of the Hall sensor base 31, the spring block 364 rotates on one side of the card shell 363, the top of the rotating rod 365 is fixed to the bottom of the spring block 364, the positioning frame 366 is fixed to the top side of the card shell 363, the rotating rod 365 is rotatably connected with the bottom of the positioning frame 366, and the second compression spring 367 is fixed between the spring block 364 and the positioning frame 366. The arc rod 368 is inserted into the inner cavity of the second compression spring 367, and one end of the arc rod 368 is fixed to the outer wall of the spring block 364. The arc rod 368 is slidably inserted and connected with one end of the positioning frame 366. Through the elasticity of the second compression spring 367, it is convenient for the spring block 364 to stably clamp the outer wall of the clamping block 361, so that the clamping block 361 can be clamped between the clamping shell 363 and the inner wall of the spring block 364. The top of the top block 354 is pushed against the bottom of the clamping assembly 36, and the top block 354 is pushed against the bottom of the clamping assembly 36. The bottom of the water drop block 362 is fitted and pushed, so that the card block 361 is pushed out of the inner cavity of the card shell 363, so that the card engagement between the induction card ring 32 and the Hall sensor base 31 is stable, so that the branch line can enter between the induction card ring 32 and the Hall sensor base 31 from the card engagement between the induction card ring 32 and the Hall sensor base 31, thereby reducing the interference of the branch line on the wire harness, facilitating the conversion of the individual current signal of the branch line on the wire group, and improving the stability of current collection; Further, the same clamping mechanism 4 is arranged outside the multiple current sensing mechanisms 3, and the clamping mechanism 4 includes: multiple fixed blocks 41, a driving assembly 42 and a clamping rod 43, the multiple fixed blocks 41 are respectively fixed to the two sides of the top of the collection input end body 2, the driving assembly 42 is arranged in the middle of one of the fixed blocks 41, and the driving assembly 42 includes: a rotating groove 421, a rotating block 422 and a gear 423, the rotating groove 421 is opened in the middle of one of the fixed blocks 41, and the two ends of the rotating block 422 are respectively rotated and inserted in the middle of one of the fixed blocks 41 through bearings, and the gear 423 is fixed in the middle of the rotating block 422. The gear 423 is arranged at the bottom of the clamping rod 43, and the gear 423 can be rotated in the middle of one of the fixed blocks 41 by rotating the rotating block 422; Specifically, the clamping rod 43 slides horizontally on the top of the multiple fixed blocks 41. The clamping rod 43 includes: a rod body 431, a tooth groove 432 and a card slot 433. The rod body 431 is slidably connected with the top of the multiple fixed blocks 41, and the rod body 431 is slidably connected with the inner cavity of the multiple arc grooves 33, so that the rod body 431 can press down the induction clamp ring 32, so that the multiple induction clamp rings 32 and the multiple Hall sensor bases 31 form multiple complete current sensors, so that they can simultaneously The tooth groove 432 is provided in the middle of the lower surface of the rod body 431, and the gear 423 is meshed with the inner cavity of the tooth groove 432. The rotation of the gear 423 facilitates the horizontal driving of the rod body 431, so that the rod body 431 can maintain a horizontal state and slide on the top of the multiple induction clamp rings 32. The clamping groove 433 is provided on the upper surface of the rod body 431, and the side of the clamping groove 433 is a court structure, which is convenient for cooperating with the sliding of the rolling ball 54 on the display mechanism 5. Furthermore, a display mechanism 5 is provided on the top of the clamping rod 43, and the display mechanism 5 is provided between two adjacent fixed blocks 41. The display mechanism 5 includes: a digital display screen 51, a connecting block 52, a positioning block 53, a plurality of rolling balls 54 and a telescopic rod 55. The digital display screen 51 rotates between two adjacent fixed blocks 41. The digital display screen 51 is connected to one of the interfaces between the bottom plate 1 and the acquisition input end body 2 through a transmission line, so that the collected data can be displayed through the digital display screen 51, thereby improving the convenience of monitoring the current collection data. Multiple hooks 8 are fixedly connected to both sides of the digital display screen 51, and the pull rope 7 is movably hooked with the multiple hooks 8 on the adjacent side. The digital display screen 51 can maintain horizontal stability through the pull ropes 7 on both sides, and improve the stability of the position of the pull rope 7, so that the pull rope 7 is convenient for pulling the top rod 352. The connecting block 52 is fixed to one end of the digital display screen 51, and the positioning block 53 is fixed to one of the fixed blocks 4 1, the positioning block 53 is connected to one end of the connecting block 52 through the pin shaft, so that the digital display screen 51 can be stably rotated on one side of one of the fixed blocks 41, so that the digital display screen 51 does not affect the branch line being inserted between the induction clamp ring 32 and the Hall sensor base 31, the multiple balls 54 are two balls 54, one of which is embedded in the bottom of the digital display screen 51, and the other is embedded in the inner cavity of the card slot 433, the telescopic rod 55 is fixed between the two adjacent balls 54, the telescopic rod 55 can be adjusted in length between the two balls 54, and the other ball 54 can slide horizontally in the inner cavity of the card slot 433, so that it does not affect the clamping of the clamping rod 43 on the induction clamp ring 32, improves the tightness of the pressing between the induction clamp ring 32 and the Hall sensor base 31, and through the setting of the telescopic rod 55 and the ball 54, the digital display screen 51 will not rotate at will, thereby improving the stability of the device; Furthermore, a data processing mechanism 6 for data acquisition is provided between the acquisition input terminal body 2 and the base plate 1. The data processing mechanism 6 includes: a signal conditioning circuit 61, a data collector 62 and a communication interface 63. The signal conditioning circuit 61 is fixed between the base plate 1 and the acquisition input terminal body 2. Since the voltage signal output by the current sensor is very weak, the signal conditioning circuit 61 is responsible for amplifying, filtering, offset adjustment and other processing of the signal output by the sensor so that the subsequent analog-to-digital converter can capture the signal and improve the stability of signal acquisition. The data collector 62 is provided on one side of the signal conditioning circuit 61. 2 includes an analog-to-digital converter and a microprocessor. The analog-to-digital converter converts the conditioned analog signal into a digital signal and transmits it to the microprocessor for processing. The microprocessor is responsible for controlling the operation of the entire collector, including controlling the analog-to-digital converter to collect data, processing the collected data, communicating with external devices, etc. The communication interface 63 is installed on both sides of the base plate 1. The communication interface 63 includes an RS-485 interface, an Ethernet interface, a USB interface and different types of interfaces for communicating with external devices, and the communication interface 63 is connected to the digital display screen 51 through one of the interfaces to reduce interference and facilitate stable monitoring of the collected data.
[0027] Method of use of the present invention: One end of the wire group is connected to one end of the acquisition input terminal body 2, so that its branch lines can be connected through different input terminals on the acquisition input terminal body 2, so that its separate input channel can be connected to the branch line current, and through the protection circuit such as the filter and the voltage limiter, and the drive component 42 is rotated to facilitate the compression rod 43 to slide on the current sensing mechanism 3, and the digital display screen 51 can be rotated at the same time, so that the branch lines of the capacitor wire group can be respectively inserted into the inner cavity of the current sensing mechanism 3, and the drive component 42 is rotated in the opposite direction, so that the compression rod 43 can compress multiple current sensing mechanisms 3, so that the block 361 can be inserted into the inner cavity of the card shell 363, so as to facilitate the long-term monitoring of the wire group, so that the Hall sensor base 31 The Hall effect sensor composed of the induction collar 32 can convert the current signal into a voltage signal, and transmit the voltage signal to the signal conditioning circuit 61. The conditioning circuit is responsible for amplifying, filtering, offset adjusting and other processing of the signal output by the sensor, so that the subsequent analog-to-digital converter can capture the signal, and the conditioned analog signal is converted into a digital signal for processing by the microprocessor. Due to the multiple settings of the channels, the analog-to-digital converter needs to use a multiplexer to time-share the signals of each channel. The microprocessor is responsible for controlling the operation of the entire acquisition device, including controlling the analog-to-digital converter to collect data, process the collected data, communicate with external devices, etc., and transmit the collected signal to the display mechanism 5 for data display and monitoring; Turn the drive assembly 42 in the opposite direction so that the clamping rod 43 can be separated from the multiple induction clamps 32, and pull the pull rope 7 so that the multiple push rods 352 can be pulled up and pushed, so that the block 361 can be pulled out of the inner cavity of the card shell 363, so that the induction clamp 32 and the Hall sensor base 31 can be separated, and the branch line can be separated from the induction clamp 32 and the Hall sensor base 31, so as to facilitate the convenience and stability of the current collection of the wire group on the capacitor group.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. Anti-interference current acquisition device for capacitor banks, including: A bottom plate (1), wherein a collection input terminal body (2) is provided on the upper surface of the bottom plate (1); The invention is characterized in that a plurality of current sensing mechanisms (3) are arranged in the middle of the acquisition input terminal body (2), and a same pressing mechanism (4) is arranged outside the plurality of current sensing mechanisms (3), and the pressing mechanism (4) comprises: A plurality of fixing blocks (41), wherein the plurality of fixing blocks (41) are respectively fixed to two sides of the top of the collection input end body (2); A driving assembly (42), wherein the driving assembly (42) is arranged in the middle of one of the fixing blocks (41); A clamping rod (43) is slidably mounted on top of the plurality of fixed blocks (41) in a horizontal state, a display mechanism (5) is disposed on the top of the clamping rod (43), and a data processing mechanism (6) for data collection is disposed between the collection input terminal body (2) and the bottom plate (1).
2. The anti-interference current acquisition device for capacitor banks according to claim 1 is characterized in that: The current sensing mechanism (3) comprises: A Hall sensor base (31), wherein a plurality of the Hall sensor bases (31) are arranged in the same manner and fixed at equal distances to the middle of the acquisition input end body (2); An induction clamp ring (32), one end of the induction clamp ring (32) being rotated on the top of the Hall sensor base (31) via a torsion spring hinge; An arc-shaped groove (33), wherein the arc-shaped groove (33) is formed on the top of the induction clamp ring (32); A plurality of magnetic core components (34), wherein the plurality of magnetic core components (34) are relatively arranged between the induction clamp ring (32) and the Hall sensor base (31); A push-up assembly (35), wherein the push-up assembly (35) is arranged at the other end of the induction clamp ring (32); A snap-fit assembly (36), wherein the snap-fit assembly (36) is fixed to one side of the bottom of the Hall sensor base (31).
3. The anti-interference current acquisition device applied to a capacitor bank according to claim 2 is characterized in that: The magnetic core component (34) comprises: A first magnetic core clamp (341), fixed to two ends of the top of the Hall sensor base (31) relative to the first magnetic core clamp (341); An embedding groove (342), wherein the embedding groove (342) is formed at an end of the induction clamp ring (32); A second magnetic core clamp (343), the second magnetic core clamp (343) is fixed to the inner wall of the embedding groove (342), and the second magnetic core clamp (343) is inserted and clamped with the inner cavity of the first magnetic core clamp (341).
4. The anti-interference current acquisition device for capacitor banks according to claim 2 is characterized in that: The jacking assembly (35) comprises: A positioning tube (351), wherein the positioning tube (351) is fixed to one side of an adjacent Hall sensor base (31); A push rod (352), the push rod (352) being slidably interlaced with the inner cavity of the positioning tube (351), and a pull rope (7) being fixedly connected between a plurality of the push rods (352); A first compression spring (353), wherein the first compression spring (353) is fixed to the bottom of the positioning tube (351), and the bottom end of the first compression spring (353) is fixed to the bottom of the push rod (352); A top block (354) is fixed to the top end of the top rod (352), and the top of the top block (354) is pushed against the bottom of the locking assembly (36).
5. The anti-interference current acquisition device for capacitor banks according to claim 4 is characterized in that: The snap-fit assembly (36) comprises: A clamping block (361), wherein the clamping block (361) is fixed to the other end of the induction clamping ring (32); A water drop block (362), the water drop block (362) being fixed to the bottom end of the clamping block (361), and the top block (354) being used for the fitting and pushing movement of the water drop block (362); A card shell (363), wherein the card shell (363) is fixed to one side of the top of the Hall sensor base (31); A spring block (364), wherein the spring block (364) rotates on one side of the jamming shell (363); A rotating rod (365), the top end of which is fixed to the bottom end of the elastic block (364); A positioning frame (366), wherein the positioning frame (366) is fixed to one side of the top of the housing (363), and the rotating rod (365) is rotatably interlaced with the bottom of the positioning frame (366); a second compression spring (367), the second compression spring (367) being fixed between the elastic block (364) and the positioning frame (366); An arc rod (368), the arc rod (368) is inserted into the inner cavity of the second compression spring (367), one end of the arc rod (368) is fixed to the outer wall of the spring block (364), and the arc rod (368) is slidably inserted and connected with one end of the positioning frame (366).
6. The anti-interference current acquisition device for capacitor banks according to claim 2 is characterized in that: The driving assembly (42) comprises: A rotation groove (421), wherein the rotation groove (421) is formed in the middle of one of the fixed blocks (41); A rotating block (422), wherein two ends of the rotating block (422) are respectively rotatably inserted into the middle of one of the fixed blocks (41) through bearings; A gear (423), the gear (423) is fixed to the middle of the rotating block (422), the gear (423) is arranged at the bottom of the pressing rod (43), and the display mechanism (5) is arranged between two adjacent fixed blocks (41).
7. The anti-interference current acquisition device for capacitor banks according to claim 6 is characterized in that: The pressing rod (43) comprises: A rod body (431), the rod body (431) being slidably connected to the tops of the plurality of fixed blocks (41), and the rod body (431) being slidably connected to the inner cavities of the plurality of arc-shaped grooves (33); A tooth groove (432), wherein the tooth groove (432) is provided in the middle of the lower surface of the rod body (431); A clamping slot (433), wherein the clamping slot (433) is formed on the upper surface of the rod body (431).
8. The anti-interference current acquisition device for capacitor banks according to claim 7 is characterized in that: The display mechanism (5) comprises: A digital display screen (51), the digital display screen (51) rotates between two adjacent fixed blocks (41), and both sides of the digital display screen (51) are fixedly connected to a plurality of hooks (8); A connecting block (52), wherein the connecting block (52) is fixed to one end of the digital display screen (51); A positioning block (53), the positioning block (53) being fixed to the top of one of the fixing blocks (41), the positioning block (53) being rotatably connected to one end of the connecting block (52) via a pin shaft; A plurality of rolling balls (54), wherein one of the rolling balls (54) is embedded in the bottom of the digital display screen (51), and another of the rolling balls (54) is embedded in the inner cavity of the card slot (433); A telescopic rod (55) is fixed between two adjacent rolling balls (54).
9. The anti-interference current acquisition device applied to a capacitor bank according to claim 2, characterized in that: The data processing mechanism (6) comprises: A signal conditioning circuit (61), wherein the signal conditioning circuit (61) is fixed between the base plate (1) and the acquisition input terminal body (2); A data collector (62), the data collector (62) being arranged on one side of the signal conditioning circuit (61), the data collector (62) comprising an analog-to-digital converter and a microprocessor, the analog-to-digital converter converting the conditioned analog signal into a digital signal and transmitting the digital signal to the microprocessor for processing; A communication interface (63), wherein the communication interface (63) is installed on both sides of the base plate (1).
10. The method for anti-interference current acquisition of a capacitor bank according to any one of claims 1 to 9, characterized in that: The specific usage steps are as follows: Step 1: Connect one end of the wire group to one end of the collection input end body (2) so that the branch line current can be connected through a separate input channel, and rotate the drive assembly (42) to facilitate the compression rod (43) to slide on the current sensing mechanism (3), so that the branch lines of the capacitor wire group can respectively penetrate the inner cavity of the current sensing mechanism (3) to convert the current signal into a voltage signal; Step 2: The wire assembly can amplify, filter and offset the signal through the data processing mechanism (6), and facilitate signal processing and data collection, and transmit the collected signal to the display mechanism (5) for data display and monitoring; Step 3: Rotate the driving assembly (42) in the opposite direction so that the clamping rod (43) can clamp the multiple current sensing mechanisms (3) and simultaneously rotate the display mechanism (5) to the top of the clamping rod (43).
Citation Information
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