Low-power-consumption intelligent current sensor

Abstract

The invention discloses a low-power-consumption intelligent current sensor which comprises a base and a dustproof propelling device. According to the invention, the dustproof propulsion device is arranged, that is, when an opening and closing plate arranged in the dustproof assembly is in a closed state, the middle opening of a rotating disc and a fixed plate can be shrunk, so that the detection through hole can be blocked and subjected to dustproof protection, and external dust is prevented from entering the detection through hole when the detection activity is not carried out; at the same time, during wire detection, the wire can be supported by an opening and closing plate for central penetration, when the wire penetrates into the pushing assembly, automatic pushing detection of the wire can be carried out in cooperation with the abutting transmission effect of the upper and lower side transmission belts, and the abutting pushing distance between the upper and lower side transmission belts can be flexibly adjusted. According to the utility model, the application range of the current sensor is expanded, and stable anti-slip propulsion cooperation is achieved in the propulsion process, so that the advantages of dustproof protection, centered bearing detection and automatic propulsion detection of the current sensor can be realized.

Description

Technical Field

[0001] The present invention relates to the technical field of current sensors, and in particular to a low-power intelligent current sensor. Background Art

[0002] A current sensor is a detection device that can sense the information of the measured current and transform the sensed information into an electrical signal or other required form of information output that meets certain standards according to certain rules, so as to meet the requirements of information transmission, processing, storage, display, recording and control. A closed-loop current sensor is one of the current sensors, which has many advantages such as short response time and high operating frequency.

[0003] For example: an open-type low-power current sensor with application number CN202123316916.2, comprising a base plate and a sensor lower part, the sensor lower part is fixedly connected to the top of the base plate, and a fixing device is installed above the sensor lower part. The open-type low-power current sensor, through the mutual cooperation between the sensor upper part, the concave plate, the baffle, the cross plate and the first spring and other structures, when the wire enters between the sensor upper part and the sensor lower part, the baffle can press the cross plate tightly through the elastic force of the first spring, thereby closing the opening of the device, and vice versa, it is also convenient to take out the wire, through the mutual cooperation between the arc plate, the gasket, the vertical rod, the block and the cylinder and other structures, when the wire moves between the two arc plates, the arc plate can press the wire tightly through the elastic force of the second spring, making the wire more stable, thereby improving the use effect of the device.

[0004] For example: A fluxgate current sensor and its use method with application number CN202411388372.6, including a base and a fluxgate sensor, the fluxgate sensor is installed on the top of the base, the inner cavity of the fluxgate sensor is filled with argon, and the front and side wall tops of the fluxgate sensor are respectively installed with a positioning mechanism and a sealing monitoring mechanism. The invention drives the worm to rotate by a knob, and the first turntable rotates clockwise under the cooperation of the worm and the worm gear teeth, and the guide groove squeezes the pin inward, prompting the slider to move inward, and the roller clamps the conductor to limit the position, and the worm can be braked by rotating the fastening nut to contact the base, thereby realizing the conductor limit, so that the conductor is always in the center of the fluxgate sensor, and the magnetic field distortion is reduced; the purpose of fluxgate sealing monitoring is achieved, the heat dissipation effect is good, the response ability of the fluxgate sensor to the magnetic field change is prevented from being reduced, the sensitivity is guaranteed, and the fluxgate sensor is avoided from failing when working in extreme environments, and the reliability is high.

[0005] While the above-mentioned device and the current sensor in the prior art can achieve the limit position of the wire during use, ensuring that the wire is stably located inside the upper end of the current sensor for detection activities, there are still certain shortcomings, namely, half of the opening at the upper end of the current sensor is directly exposed to the outside, and dust is more likely to adhere to the inside of the opening when no detection activities are performed, and the adhesion of dust will have a certain impact on the accuracy of subsequent detection. At the same time, when placing the wire, it is currently generally placed manually, and when adjusting the wire detection position, manual advancement adjustment is performed, resulting in low intelligence in the use of the current sensor, and it is difficult to perform automatic advancement detection cooperation of the wire according to demand. Summary of the invention

[0006] The purpose of the present invention is to provide a low-power intelligent current sensor to solve the problems raised in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a low-power intelligent current sensor, including a base, a current sensor body is arranged on the upper end of the base, a wiring terminal is connected to the front side of the lower end of the current sensor body, a detection through hole is opened in the middle of the upper end of the current sensor body, and also includes a dust-proof propulsion device arranged on the outside of the current sensor body, the dust-proof propulsion device includes a connecting seat connected to the upper end of the current sensor body, a screw rotatably connected to the inside of the connecting seat, a knob connected to the right side of the screw, a moving block threadedly connected to the outside of the screw, a connecting rod connected to the front and rear sides of the moving block, a swing plate connected to the outer end of the connecting rod, a dust-proof component connected to the lower end of the swing plate, a connecting cylinder connected to the front and rear sides of the upper end of the current sensor body and connected to the outside of the dust-proof component, and a propulsion component arranged inside the connecting cylinder on one side.

[0008] Preferably, the dustproof component includes a turntable docked at the lower end of the swing plate and rotatably connected to the inside of the connecting tube, a first guide groove opened in the turntable, a connecting shaft inserted in the first guide groove, an opening and closing plate docked to the outside of the connecting shaft, a connecting strip fixed to the outside of the opening and closing plate, a fixed plate fastened to the inside of the connecting tube and connected to one side of the connecting strip, and a second guide groove opened in the fixed plate and connected to the outside of the connecting strip.

[0009] Preferably, the propulsion assembly includes a connecting shell fastened to the inside of the connecting cylinder on one side, wire holes opened on both sides of the middle of the connecting shell, a mounting shell built into the connecting shell, a first motor installed at the upper end of the mounting shell, an adjusting rod connected to the lower end of the first motor, an adjusting block threadedly connected to both sides of the outer end of the adjusting rod, a tensioning rod inserted in the middle of the adjusting block, a transmission belt connected to the outside of the tensioning rod, a transmission wheel connected to both sides of the transmission belt, a second motor connected to the outer end of the transmission wheel on one side, a cylinder installed inside the mounting shell, a docking plate docked at the telescopic end of the cylinder, a pressure block installed in the middle of the docking plate, and pressure wheels installed on both sides of the docking plate.

[0010] Preferably, a circular opening is provided in the middle of the rotating disk and the fixed disk, and the openings in the middle of the rotating disk and the fixed disk are on the same horizontal line as the detection through hole.

[0011] Preferably, the first guide grooves are equidistantly installed along the circumferential direction of the inside of the turntable, and the shape of the first guide grooves is a semi-arc groove.

[0012] Preferably, the opening and closing plates are equidistantly distributed between the rotating disk and the fixed disk in the circumferential direction, and the side edges of the opening and closing plates adjacent to each other are polished and smooth without barbs.

[0013] Preferably, the second guide grooves are equidistantly provided along the circumferential direction of one side of the fixed disk opposite to the opening and closing plate, and the second guide grooves are arranged as a whole in the shape of an inclined linear groove.

[0014] Preferably, the adjusting rod is vertically rotatably connected along the middle of the side of the mounting shell, and the upper and lower ends of the adjusting rod are provided with external threads in opposite states.

[0015] Preferably, the adjustment block, tension rod, transmission belt, transmission wheel, second motor, cylinder, docking plate, pressure block and pressure wheel are all symmetrically arranged up and down inside the mounting shell, and there is a spacing between the upper and lower transmission belts.

[0016] Preferably, the length of the tension rod matches the width of the transmission belt, and a limiting end is integrally mounted on the outer end of the tension rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention is provided with a dust-proof propulsion device, that is, when the opening and closing plates arranged inside the dust-proof component are in a closed state, the openings in the middle of the turntable and the fixed plate can be reduced, so that the detection through hole is blocked for dust-proof protection, so as to prevent external dust from entering the detection through hole when no detection activity is performed, resulting in the subsequent wire detection accuracy being affected. At the same time, when the wire is detected, it can also be supported by the opening and closing plates and inserted in the center. When the wire is inserted into the propulsion component, the offset transmission effect of the upper and lower side transmission belts can be cooperated to perform automatic propulsion detection of the wire. The docking propulsion spacing between the upper and lower side transmission belts can be flexibly adjusted to increase its scope of use. In the propulsion process, stable anti-slip propulsion coordination can be achieved. In this way, the advantages of dust-proof protection, center support detection and automatic propulsion detection of the current sensor can be achieved.

[0019] The dustproof component, that is, when the turntable is driven by the swing plate, the connecting shaft docked at the first guide groove opened inside can be moved, so as to realize the rotation and expansion of the opening and closing plates at various locations. As the opening and closing plates at various locations are expanded, the dustproof protection effect of the blocking of the detection through hole will be conveniently released to achieve convenient insertion detection of the wires. At the same time, the docking effect of the connecting strip provided on one side of the opening and closing plate and the second guide groove opened inside the fixed plate can assist in strengthening the opening and closing stability of the opening and closing plates at various locations. Moreover, when the wires are inserted into the test, the opening and closing plates at various locations can be closed to support the wires in the center, so that the wires are inserted in the center, thereby ensuring the accuracy of subsequent detection.

[0020] The setting of the propulsion component, that is, when the wire contacts the transmission belts arranged on the upper and lower sides of the mounting shell, can cooperate with the opposite transmission effects of the upper and lower transmission belts to achieve automatic propulsion cooperation, thereby flexibly adjusting the wire detection position without manual adjustment.

[0021] The arrangement of the adjusting rod, adjusting block, tensioning rod, cylinder, docking plate, pressure block and pressure wheel, that is, when the adjusting rod rotates, the vertical relative or opposite movement of the upper and lower adjusting blocks connected can be realized. Therefore, the tensioning rod docked at the outer ends of the adjusting blocks on both sides will realize the flexible adjustment of the tension of the transmission belts connected at the outer ends, so that they are in a taut transmission state to avoid transmission slippage, or release the tensioning effect of the upper and lower transmission belts, so as to cooperate with the cylinder to push the docking plate, so that the pressure block and pressure wheel arranged at the outer end squeeze the other side of the transmission belt, so that the upper and lower transmission belts can flexibly adjust the distance between them to meet the automatic propulsion transmission requirements of wires of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the main structure of the current sensor of the present invention;

[0024] Figure 3It is a schematic diagram of the structure of the dust-proof propulsion device of the present invention;

[0025] Figure 4 It is a partial structural schematic diagram of the dust-proof propulsion device of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the dustproof component of the present invention;

[0027] Figure 6 This is a schematic diagram of the split structure of the dustproof component of the present invention;

[0028] Figure 7 It is a schematic diagram of the disassembled structure of the dustproof component of the present invention from a side view;

[0029] Figure 8 It is a schematic diagram of the swing structure of the dustproof component of the present invention from the front view;

[0030] Fig. 9 It is a schematic diagram of the internal structure of the propulsion assembly of the present invention from the right side;

[0031] Fig.10 It is a schematic diagram of the internal structure of the installation shell of the present invention from the right side;

[0032] Fig.11 For the present invention Fig.10 Enlarged structural diagram at A in the middle.

[0033] In the figure: base-1, current sensor body-2, wiring terminal-3, detection through hole-4, dust-proof propulsion device-5, connecting seat-51, screw-52, knob-53, moving block-54, connecting rod-55, swing plate-56, dust-proof component-57, turntable-571, first guide groove-572, connecting shaft-573, opening and closing plate-574, connecting strip-575, fixed plate-576, second guide groove-577, connecting cylinder-58, propulsion component-59, connecting shell-591, wire hole-592, mounting shell-593, first motor-594, adjusting rod-595, adjusting block-596, tensioning rod-597, transmission belt-598, transmission wheel-599, second motor-5910, cylinder-5911, docking plate-5912, pressure block-5913, pressure wheel-5914. DETAILED DESCRIPTION

[0034] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0035] See also Figure 1-2The present invention provides a low-power intelligent current sensor, including a base 1, a current sensor body 2 is arranged on the upper end of the base 1, a wiring terminal 3 is connected to the front side of the lower end of the current sensor body 2, a detection through hole 4 is opened in the middle of the upper end of the current sensor body 2, and also includes a dust-proof propulsion device 5 arranged on the outer side of the current sensor body 2.

[0036] Specifically, when it is necessary to detect the wires, the wiring terminal 3 provided on the front side of the lower end of the current sensor body 2 can be connected to the external wiring, so as to realize the power-on of the current sensor body 2 and the wire connection activity of the external device. When the wiring activity is completed, the wire can be inserted into the detection through hole 4 opened in the middle part of the upper end of the current sensor body 2 to realize the rapid detection and acquisition of the current information inside the wire.

[0037] See also Figure 3-8 The dust-proof propulsion device 5 in this embodiment includes a connecting seat 51 connected to the upper end of the current sensor body 2, a screw 52 rotatably connected to the inside of the connecting seat 51 for adjusting the transmission, a knob 53 connected to the right side of the screw 52, ​​a moving block 54 threadedly connected to the outside of the screw 52 and slidably connected to the two sides of the upper end of the connecting seat 51, a connecting rod 55 symmetrically inserted into the front and rear sides of the moving block 54, a swing plate 56 connected to the outer ends of the connecting rods 55 on both sides, and a vertical groove is integrally opened at the upper end of the swing plate 56, and the lower end of the swing plate 56 extends into the inside of the connecting tube 58, a dust-proof component 57 connected to the lower end of the swing plate 56 can realize convenient opening and closing of the wire clamping and dust-proof protection, a connecting tube 58 connected to the front and rear sides of the upper end of the current sensor body 2 and connected to the outside of the dust-proof component 57, and a propulsion component 59 arranged inside the front connecting tube 58 to assist in realizing the propulsion transmission of electric wires.

[0038] Among them, the dustproof component 57 includes a turntable 571 that is docked with the lower end of the swing plate 56 and rotatably connected to the inside of the connecting tube 58, a first guide groove 572 that is equidistantly arranged inside the turntable 571 for opening and closing transmission cooperation, a connecting shaft 573 that is correspondingly inserted into the inside of the first guide groove 572, an opening and closing plate 574 that is docked with the outside of the connecting shaft 573 and is located on the inner side of the turntable 571, a connecting strip 575 that is fixedly connected to the side of the opening and closing plate 574 away from the turntable 571, a fixed plate 576 that is tightly connected to the inside of the connecting tube 58 and connected to one side of the connecting strip 575, and a second guide groove 577 that is arranged in the inside of the fixed plate 576 and connected to the outside of the connecting strip 575. Through the connection combination of the second guide groove 577 and the connecting strip 575, the opening and closing stability of the multiple opening and closing plates 574 can be further improved.

[0039] Among them, circular openings are opened in the middle of the rotating disk 571 and the fixed disk 576, and the openings opened in the middle of the rotating disk 571 and the fixed disk 576 are on the same horizontal line with the detection through hole 4, ensuring that the wire can realize stable threading detection activities; the first guide groove 572 is installed and opened at equal intervals along the inside of the rotating disk 571, and the shape of the first guide groove 572 is set in a semi-arc groove shape, so that efficient opening and closing guide transmission cooperation can be achieved; the opening and closing plates 574 are circumferentially equidistantly distributed between the rotating disk 571 and the fixed disk 576, and the side edges of the adjacent opening and closing plates 574 on each side are smooth and polished without barbs, so as to ensure that the opening and closing plates 574 at each location are smooth and not stuck when they are driven and unfolded; the second guide groove 577 is circumferentially equidistantly opened along the side of the fixed disk 576 relative to the opening and closing plate 574, and the second guide groove 577 is set as an inclined straight line groove as a whole, ensuring that the second guide groove 577 adapts to the overall shape of the connecting strip 575 to achieve stable cooperation of auxiliary opening and closing guide.

[0040] Specifically, when the wire detection activity is not performed, in order to prevent external dust from entering the detection through hole 4, so that the detection through hole 4 is affected by dust when the wire detection activity is performed later, and the detection accuracy is affected to a certain extent, for this purpose, a dustproof component 57 is installed corresponding to the connecting cylinder 58 provided on the front and rear sides of the upper end of the current sensor body 2, that is, when the multiple opening and closing plates 574 installed between the rotating disk 571 and the fixed disk 576 are in a non-opened state, the front and rear opening ends of the detection through hole 4 can be reduced, so as to avoid the occurrence of the phenomenon that external dust adheres to the inside due to the opening being too large;

[0041] When the wire detection activity is required later, the screw rod 52 can be rotated along the inside of the connecting seat 51 by turning the knob 53 connected to the right side of the screw rod 52. When the screw rod 52 rotates, the moving block 54 threadedly connected to the outside of the screw rod 52 will move left along the upper end of the connecting seat 51. In this way, the connecting rod 55 connected to the front and rear sides of the moving block 54 can be driven by the left movement to realize the push of the swing plate 56 connected to the outer end, so that the swing plate 56 can realize the rotation push of the rotating disk 571 connected to the bottom. When the rotating disk 571 rotates, the connecting shaft 573 connected to the first guide groove 572 equidistantly opened inside the rotating disk 571 will cooperate with the rotation to drive the swing plate 56 connected to the first guide groove 572. The overall semi-arc track is used to realize the synchronous pushing of the connecting shafts 573 at various locations. As the connecting shafts 573 at various locations move synchronously, the opening and closing plates 574 docked at the outer ends of the connecting shafts 573 at various locations will cooperate with the sliding docking effect of the connecting strips 575 provided on the other side and the second guide grooves 577 provided inside the fixed disk 576 to carry out synchronous unfolding activities. As a result, the opening and closing plates 574 at various locations will be opened synchronously to realize the release of the blocking state between the rotating disk 571 and the fixed disk 576. In this way, the wires can be inserted into the connecting tube 58 and enter the detection through hole 4 at the upper end of the current sensor body 2 along the middle opening of the rotating disk 571 and the fixed disk 576 to realize rapid detection activities.

[0042] Secondly, in order to make the inserted wire in the center state, the screw rod 52 can be rotated in the opposite direction after the wire insertion is completed. As the screw rod 52 rotates in the opposite direction, the moving block 54 threadedly connected to the outer end of the screw rod 52 will move rightward accordingly, and synchronously drive the connecting rods 55 connected to the two sides of the outer end. As a result, the swing plates 56 connected to the outer ends of the connecting rods 55 on both sides will be synchronously reset and swung. As a result, as the swing plates 56 on both sides are reset and swung, the turntables 571 connected to the lower ends of the swing plates 56 on both sides will be reset and rotated, so that the connecting shafts 57 at various locations are moved to the right. 3 cooperates with the corresponding first guide groove 572 to drive the opening and closing plates 574 at various locations to shrink synchronously. When the inner ends of the opening and closing plates 574 at various locations gradually shrink to form a circle, the wires can be supported in the center, so that the wires are in the center of the detection through hole 4, to ensure that the magnetic field detected by the current sensor body 2 for the wires is evenly distributed, to ensure the accuracy of the detection data, so that the dust protection of the detection through hole 4 can be achieved when not in use. At the same time, when the wires are subsequently inserted into the detection, the wires can also be supported in the center to improve the detection accuracy.

[0043] See also Figure 9-11 The propulsion assembly 59 in this embodiment includes a connection shell 591 vertically fastened to the inside of the front connection cylinder 58, a wire hole 592 symmetrically opened in the middle of the left and right sides of the connection shell 591 for the wire to enter, a mounting shell 593 built into the connection shell 591, a first motor 594 installed at the upper end of the mounting shell 593, an adjustment rod 595 connected to the lower end of the first motor 594 for two-way relative or opposite movement adjustment, an adjustment block 596 threadedly connected to the upper and lower sides of the adjustment rod 595 and slidably embedded in the side of the mounting shell 593, and a tensioning rod 597 correspondingly longitudinally inserted in the middle of the adjustment blocks 596 on both sides for subsequent adjustment of the transmission tension, connected to the tensioning rod 5 The transmission belt 598 on the outside of 97 is symmetrically connected to the transmission wheels 599 on the left and right sides of the transmission belt 598, and the transmission wheels 599 on both sides are rotatably connected to the left and right sides of the inside of the mounting shell 593 respectively. A second motor 5910 connected to the rear end of the left transmission wheel 599, a cylinder 5911 vertically installed in the mounting shell 593, a docking plate 5912 docked at the telescopic end of the cylinder 5911, a pressure block 5913 installed in the middle of the docking plate 5912 for pressing down the transmission belt 598 to achieve flexible adjustment of the transmission spacing, and a pressure wheel 5914 symmetrically rotatably connected to the left and right sides of the docking plate 5912 for ensuring that the transmission belt 598 can be in a stable transmission state after being squeezed and adjusted.

[0044] Among them, the adjusting rod 595 is vertically rotatably connected along the middle of the side of the mounting shell 593, and the upper and lower ends of the adjusting rod 595 are provided with external threads in opposite states, ensuring that the adjusting rod 595 can flexibly realize the vertical relative or opposite movement of the adjusting blocks 596 provided on the upper and lower sides; the adjusting block 596, the tensioning rod 597, the transmission belt 598, the transmission wheel 599, the second motor 5910, the cylinder 5911, the docking plate 5912, the pressure block 5913 and the pressure wheel 5914 are all symmetrically arranged up and down along the inside of the mounting shell 593, and there is a spacing between the upper and lower transmission belts 598, ensuring that the upper and lower transmission belts 598 can be stably docked with the incoming wires to achieve automatic advancement and coordination of the wires; the length of the tensioning rod 597 matches the width of the transmission belt 598, and the outer end of the tensioning rod 597 is integrally equipped with a limit end, ensuring that the tensioning rod 597 can be connected to the outer end of the middle part of the upper end of the transmission belt 598, ensuring the stability of the tensioning adjustment state.

[0045] Specifically, before the wire completes the centering detection activity, it will be inserted into the wire hole 592 opened in the middle of the left and right sides of the connecting shell 591, so that the wire will contact the transmission belt 598 provided on the upper and lower sides of the mounting shell 593 to achieve the preparation activity for the subsequent automatic advancement process. When the wire detection position needs to be adjusted, the second motor 5910 connected to the rear end of the transmission wheel 599 on one side can be driven accordingly to make the second motor 5910 realize the synchronous opposite rotation of the transmission wheel 599 installed on the upper and lower sides of the left side. As a result, the transmission wheels 599 on both sides will cooperate with the transmission belt 598 connected to the outside to realize the rotation of the transmission wheel 599 connected on the other side. As a result, the transmission belts 598 on both sides will rotate synchronously and oppositely to carry out contact and advancement activities on the wire inserted between them, so that the wire is automatically advanced and moved, so as to conveniently adjust and change its detection position without manual advancement.

[0046] Secondly, when the spacing between the upper and lower transmission belts 598 needs to be adjusted, the first motor 594 and the cylinder 5911 can be driven simultaneously. As the first motor 594 rotates, the adjustment rod 595 connected to the output end of the lower end of the first motor 594 will rotate synchronously to achieve the vertical relative movement of the upper and lower threaded adjustment blocks 596. In this way, the adjustment blocks 596 on both sides will realize the vertical movement of the tensioning rod 597 connected to the middle of the front side, so that the tensioning rod 597 releases the outward pulling effect on the middle of one side of the transmission belt 598, and when the cylinder 5911 is driven, the docking plate 59 will be realized outward. 12 is pushed, so that the pressing block 5913 and the pressing wheel 5914 connected to the middle and both sides of the docking plate 5912 will realize the extrusion of the middle of the other side of the transmission belt 598. In this way, by adjusting the tension of the transmission belt 598 and extruding the transmission belt 598, the distance between the upper and lower transmission belts 598 can be reduced, so as to meet the demand for the automatic propulsion of smaller wires. At the same time, with the counter-extrusion effect, the contact effect between the upper and lower transmission belts 598 and the outside of the wire can be improved, so as to ensure the stability of its automatic propulsion effect and avoid the occurrence of propulsion slippage problems;

[0047] When the adjustment blocks 596 on both sides move vertically in opposite directions with the adjustment rod 595, the tensioning rods 597 on both sides will re-pull the middle part of one end of the corresponding transmission belt 598, so as to tighten the transmission belt 598 as a whole, thereby greatly improving the transmission stability of the transmission belt 598 and avoiding the occurrence of transmission slippage of the transmission belt 598.

[0048] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A low-power intelligent current sensor, comprising a base (1), a current sensor body (2) being arranged at the upper end of the base (1), a wiring terminal (3) being connected to the front side of the lower end of the current sensor body (2), and a detection through hole (4) being provided in the middle of the upper end of the current sensor body (2); Features: The device also includes a dust-proof propulsion device (5) disposed on the outside of the current sensor body (2), the dust-proof propulsion device (5) including a connection seat (51) connected to the upper end of the current sensor body (2), a screw rod (52) rotatably connected to the inside of the connection seat (51), a knob (53) connected to the right side of the screw rod (52), a moving block (54) threadedly connected to the outside of the screw rod (52), a connecting rod (55) connected to the front and rear sides of the moving block (54), a swing plate (56) connected to the outer end of the connecting rod (55), a dust-proof component (57) connected to the lower end of the swing plate (56), a connecting tube (58) connected to the front and rear sides of the upper end of the current sensor body (2) and connected to the outside of the dust-proof component (57), and a propulsion component (59) disposed inside the connecting tube (58) on one side.

2. A low-power intelligent current sensor according to claim 1, characterized in that: The dustproof component (57) comprises a rotating disk (571) connected to the lower end of the swing plate (56) and rotatably connected to the inside of the connecting tube (58), a first guide groove (572) provided inside the rotating disk (571), a connecting shaft (573) inserted into the inside of the first guide groove (572), an opening and closing plate (574) connected to the outside of the connecting shaft (573), a connecting strip (575) fixedly arranged on the outside of the opening and closing plate (574), a fixed disk (576) fastened to the inside of the connecting tube (58) and connected to one side of the connecting strip (575), and a second guide groove (577) provided inside the fixed disk (576) and connected to the outside of the connecting strip (575).

3. A low-power intelligent current sensor according to claim 1, characterized in that: The propulsion assembly (59) comprises a connection shell (591) fastened to the interior of the connection tube (58) on one side, wire holes (592) provided on both sides of the middle of the connection shell (591), a mounting shell (593) built into the interior of the connection shell (591), a first motor (594) mounted on the upper end of the mounting shell (593), an adjustment rod (595) connected to the lower end of the first motor (594), an adjustment block (596) threadedly connected to both sides of the outer end of the adjustment rod (595), and a tensioning rod (596) inserted into the middle of the adjustment block (596). 597), a transmission belt (598) connected to the outside of the tensioning rod (597), a transmission wheel (599) connected to both sides of the transmission belt (598), a second motor (5910) connected to the outer end of the transmission wheel (599) on one side, a cylinder (5911) installed in the installation shell (593), a docking plate (5912) docked at the telescopic end of the cylinder (5911), a pressure block (5913) installed in the middle of the docking plate (5912) and pressure wheels (5914) installed on both sides of the docking plate (5912).

4. A low-power intelligent current sensor according to claim 2, characterized in that: The rotating disk (571) and the fixed disk (576) are both provided with circular openings in the middle, and the openings in the middle of the rotating disk (571) and the fixed disk (576) are both on the same horizontal line as the detection through hole (4).

5. The low-power intelligent current sensor according to claim 2, characterized in that: The first guide grooves (572) are installed and opened at equal intervals along the circumferential direction inside the rotating disk (571), and the shape of the first guide grooves (572) is set in the shape of a semi-arc groove.

6. A low-power intelligent current sensor according to claim 2, characterized in that: The opening and closing plates (574) are equidistantly distributed between the rotating disk (571) and the fixed disk (576) in the circumferential direction, and the side edges of the opening and closing plates (574) adjacent to each other are polished and smooth without barbs.

7. A low-power intelligent current sensor according to claim 2, characterized in that: The second guide grooves (577) are equidistantly arranged along the circumferential direction of one side of the fixed plate (576) relative to the opening and closing plate (574), and the second guide grooves (577) are arranged as a whole in the shape of an inclined linear groove.

8. The low-power intelligent current sensor according to claim 3, characterized in that: The adjusting rod (595) is vertically rotatably connected along the middle of the side of the mounting shell (593), and the upper and lower ends of the adjusting rod (595) are provided with external threads in opposite states.

9. The low-power intelligent current sensor according to claim 3, characterized in that: The adjustment block (596), the tensioning rod (597), the transmission belt (598), the transmission wheel (599), the second motor (5910), the cylinder (5911), the docking plate (5912), the pressure block (5913) and the pressure wheel (5914) are all symmetrically arranged vertically inside the mounting shell (593), and there is a spacing between the upper and lower transmission belts (598).

10. The low-power intelligent current sensor according to claim 3, characterized in that: The length of the tension rod (597) matches the width of the transmission belt (598), and a limiting end is integrally mounted on the outer end of the tension rod (597).

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