CN114113741A - Voltage sensor based on tamper-proof function - Google Patents
Voltage sensor based on tamper-proof function Download PDFInfo
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- CN114113741A CN114113741A CN202111250552.4A CN202111250552A CN114113741A CN 114113741 A CN114113741 A CN 114113741A CN 202111250552 A CN202111250552 A CN 202111250552A CN 114113741 A CN114113741 A CN 114113741A
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- WABPQHHGFIMREM-NOHWODKXSA-N lead-200 Chemical compound [200Pb] WABPQHHGFIMREM-NOHWODKXSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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Abstract
The invention relates to a voltage sensor based on a tamper-proof function, which comprises: the voltage sensor comprises a voltage sensor body, a closing cover, a built-in locking piece mechanism, a fixing bolt and a wiring terminal. The terminal is provided at the voltage sensor body. The fixing bolt is provided at the voltage sensor main body. The closing cap is connected to the voltage sensor body by a built-in latch mechanism. The voltage sensor has the advantages that the installed voltage sensor main body is sealed, and the voltage sensor main body is prevented from being tampered by a line before being accepted. The connecting circuit of the voltage sensor main body is fixed, and the loosening caused by pulling is avoided. When the sealing cover outside the voltage sensor main body is damaged, the positioning signal is automatically sent, and background personnel can be conveniently informed.
Description
Technical Field
The invention relates to the technical field of voltage sensors, in particular to a voltage sensor based on a tamper-proof function.
Background
The voltage sensor is generally connected with electric equipment, and can be used for detecting the working state of a power supply and detecting faults of overvoltage, undervoltage, phase failure and the like of the power supply. Generally, the voltage sensor needs to be checked and accepted after being installed for a certain period of time, and the connection line of the voltage sensor can be tampered. The existing voltage sensor has no anti-tampering function, once tampered, a line cannot be known to be tampered by which party, and accordingly responsibility cannot be confirmed. And the connection wire body of the voltage sensor can cause the terminal to be loosened or damaged once being pulled.
Disclosure of Invention
The present invention is directed to a voltage sensor based on a tamper-proof function, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
voltage sensor based on tamper-proof functionality, comprising: the voltage sensor comprises a voltage sensor body, a closing cover, a built-in locking piece mechanism, a fixing bolt and a wiring terminal. The terminal is disposed at the voltage sensor body. The fixing bolt is arranged on the voltage sensor main body. The closed cover is connected with the voltage sensor main body through a built-in locking piece mechanism and is characterized in that,
the built-in latch mechanism includes: the device comprises a convex column, a clamping groove, a U-shaped connecting frame, a sliding clamping block and a first connecting spring. The convex column is vertically and fixedly connected with the fixing bolt. The clamping groove is formed in the convex column. The U-shaped connecting frame is horizontally and fixedly connected to the closing cover. The sliding clamping block horizontally slides and penetrates into the U-shaped connecting frame, and the lower side wall of the end head of the sliding clamping block, which is close to the center of the sealing cover, is a smooth arc surface. The first connecting spring is sleeved on the sliding clamping block.
As a further scheme of the invention: the tamper-resistant function-based voltage sensor further includes: the line body fixed establishment. Line body fixed establishment includes: the device comprises a first strip-shaped sliding groove, a second strip-shaped sliding groove, a sliding transverse column, a limiting clamping plate, a second connecting spring, a supporting frame, a linkage rotating rod and a pushing mechanism. The first strip-shaped chute is horizontally arranged at the position of the sealing cover. The limiting clamping plate is vertically and slidably connected to the first strip-shaped sliding groove. The second strip-shaped sliding groove is vertically arranged at the position of the sealing cover. The sliding transverse column is horizontally connected to the second strip-shaped sliding groove in a sliding mode. The second connecting spring is connected between the first strip-shaped sliding groove and the limiting clamping plate. The support frame is fixedly connected to the voltage sensor main body. The linkage rotating rod is rotatably connected to the supporting frame through a rotating shaft, and the upper end of the linkage rotating rod is attached to the limiting clamping plate. The ejection mechanism is arranged at the linkage rotating rod.
As a further scheme of the invention: the ejection mechanism includes: threaded connection piece, screw ejector pin, turning handle, linkage piece, first flexible connecting rod and third connecting spring. The threaded connection block is fixedly connected to the closing cap. The threaded mandril is vertically connected with the threaded connecting block in a penetrating way through threads, and the threaded mandril and the sliding cross column are aligned up and down. The linkage block is connected to the support frame through a first telescopic connecting rod. The rotating handle is fixedly connected to the threaded ejector rod, the end head of the linkage block is located above the rotating handle, and the lower end head of the linkage rotating rod is obliquely abutted against the upper side of the linkage block. The third connecting spring is sleeved on the first telescopic connecting rod.
As a further scheme of the invention: the end face of the limiting clamping plate close to the sliding cross column is provided with anti-slip lines for increasing friction force.
As a further scheme of the invention: the tamper-resistant function-based voltage sensor further includes: and a positioning and sending mechanism. The positioning and transmitting mechanism comprises: the device comprises a mounting box, a small electric telescopic rod, a top cover, a GPS (global positioning system) positioner, a power supply for supplying power, a background monitoring terminal, a signal lamp and a trigger mechanism. The mounting box is fixedly connected to the closure cap. The small electric telescopic rods are vertically and fixedly connected into the mounting box in pairs from left to right. The top cover is horizontally and fixedly connected to the small electric telescopic rod. The GPS locator is fixedly mounted to the top cover. The power supply is mounted to the small electric telescopic rod. The signal lamp is provided with a plurality of distributions in backstage monitor terminal. Each GPS locator is provided with an independent number, and each signal lamp is provided with a corresponding number. The GPS localizers with the same independent number are wirelessly connected with the signal lamp through the rear monitoring terminal. The trigger mechanism is arranged on the closing cover.
As a further scheme of the invention: the trigger mechanism includes: baffle, second flexible connecting rod, fourth connecting spring, pressure-sensitive switch and support ceramic body. The baffle is distributed on the outer side of the closing cover. The second telescopic connecting rod is connected between the baffle and the closing cover. The fourth connecting spring is sleeved at the second telescopic connecting rod and is in a stretching state. A pressure sensitive switch is mounted to the outer wall of the closure cap and is electrically connected to the GPS locator. The support ceramic body is connected between the baffle and the closure cap.
As a further scheme of the invention: the trigger mechanism further comprises: an elastic rubber striking sheet for protecting the pressure sensing switch. The elastic rubber striker is fixedly connected to the baffle plate, and the elastic rubber striker is aligned with the pressure sensing switch.
As a further scheme of the invention: the mounting box and the closing cover are integrally cast.
As a further scheme of the invention: the mounting box is square.
As a further scheme of the invention: the lower end face of the closing cover is completely coincided with the upper port of the mounting box.
Compared with the prior art, the invention has the beneficial effects that: the installed voltage sensor main body is sealed, and the voltage sensor main body is prevented from being tampered by a line before acceptance.
The voltage sensor main body is covered by the sealing cover in a sealing mode, and circuit tampering of the voltage sensor main body by external personnel is avoided. And the fixing mechanism of the sealing cover is positioned at the inner side and cannot be opened from the outer side, so that the sealing cover cannot be detached, and the anti-tampering function of the voltage sensor main body is enhanced.
The connecting circuit of the voltage sensor main body is fixed, and the loosening caused by pulling is avoided.
The wire body that will be in the closing cap inboard mainly relies on line body fixed establishment to buckle the chucking, avoids the wiring end of voltage sensor main part to receive and drags.
When the sealing cover outside the voltage sensor main body is damaged, the positioning signal is automatically sent, and background personnel can be conveniently informed.
The GPS positioner is triggered to send a position signal by mainly depending on a baffle outside the sealing cover, and a signal lamp with a remote corresponding number is triggered, so that backstage personnel can conveniently determine that the voltage sensor main body corresponding to the position is damaged.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a voltage sensor based on a tamper-proof function according to the present invention.
Fig. 2 is an enlarged structural view at a in fig. 1.
Fig. 3 is a top view structural diagram of the sliding cross column and the limiting clamp plate of the voltage sensor based on the tamper-proof function in fig. 2.
Fig. 4 is an enlarged structural view at B in fig. 1.
Fig. 5 is a top view structural diagram of the U-shaped connection frame and the sliding block of the voltage sensor based on the tamper-proof function in fig. 4.
Fig. 6 is an enlarged structural view at C in fig. 1.
List of reference numerals: a voltage sensor 100 based on a tamper-proof function; a connecting wire 200; an equipment installation plate body 300; a voltage sensor main body 10; a closure cap 20; a built-in latch mechanism 30; a boss 31; a card slot 32; a U-shaped connecting frame 33; a slide latch 34; the first connecting spring 35; a fixing bolt 40; a terminal 50; a wire body fixing mechanism 60; a first bar-shaped chute 61; a second bar-shaped chute 62; a sliding cross post 63; a limit clamp plate 64; the second connecting spring 65; a support frame 66; a linkage rotary rod 67; a pushing mechanism 68; a threaded connection block 681; a threaded ejector rod 682; a stem 683; a linkage block 684; a first telescoping connecting rod 685; a third linking spring 686; a positioning transmission mechanism 70; a mounting box 71; a small electric telescopic rod 72; a top cover 73; a GPS locator 74; a power supply 75 for supplying power; a background monitor terminal 76; a signal lamp 77; a trigger mechanism 78; a baffle plate 781; a second telescoping connection bar 782; a fourth connection spring 783; a pressure sensitive switch 784; a supporting ceramic body 785; resilient rubber striker 786.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, in the embodiment of the present invention, a voltage sensor 100 based on a tamper-proof function includes: voltage sensor body 10, closure cap 20, built-in latch mechanism 30, fixing bolt 40 and terminal 50. Terminals 50 are provided at both sides of the upper end of the voltage sensor body 10, and the terminals 50 are used to make the voltage sensor body 10 abut against the connection lead 200 of the relevant device. Fixing bolts 40 are provided at both sides of the lower end of the voltage sensor main body 10, and the fixing bolts 40 are used to fixedly connect the voltage sensor main body 10 with the device mounting plate 300. The closing cap 20 is attached to the outside of the voltage sensor body 10 by the built-in latch mechanism 30, the closing cap 20 is used to close and cover the voltage sensor body 10, and the connection lead 200 connected to the voltage sensor body 10 passes through the closing cap 20.
The built-in latch mechanism 30 includes: the device comprises a convex column 31, a clamping groove 32, a U-shaped connecting frame 33, a sliding clamping block 34 and a first connecting spring 35. The convex column 31 is vertically and fixedly connected to the upper end of the fixing bolt 40. The slot 32 is opened at the lower side wall of the convex column 31. The U-shaped connection frame 33 is horizontally and fixedly connected to the lower end inner wall of the closing cap 20. The sliding fixture block 34 is horizontally inserted at the tail end of the U-shaped connecting frame 33 in a sliding mode, and the lower side wall of the end head of the sliding fixture block 34 close to the center of the closing cover 20 is a smooth arc surface. The first connecting spring 35 is sleeved at the end of the sliding block 34 close to the inner wall of the closing cover 20, and the first connecting spring 35 is connected between the sliding block 34 and the U-shaped connecting frame 33.
When the closing cap 20 is covered to the position where the voltage sensor body 10 is installed, the sliding latch 34 is aligned with the boss 31 up and down. When the closing cap 20 is pressed from top to bottom, the sliding block 34 is pressed to the upper end of the protruding column 31 by the smooth arc surface. Due to the existence of the smooth arc surface, the sliding clamping block 34 is transversely moved when being extruded, and the first connecting spring 35 is stretched to generate resilience force in the process. And the end of the sliding block 34 slides down along the side wall of the convex column 31 after traversing. When the end of the sliding latch 34 is aligned with the position of the engaging groove 32, the sliding latch 34 is inserted into the engaging groove 32 under the resilient force of the first connecting spring 35, so that the sealing cap 20 is fixedly mounted on the position of the voltage sensor body 10. Since the built-in latch mechanism 30 is located inside the closure cap 20 and cannot be opened from the outside, it is ensured that the wiring of the voltage sensor main body 10 before acceptance is tampered with.
The tamper-resistant function-based voltage sensor 100 further includes: and a wire body fixing mechanism 60. The wire body fixing mechanism 60 includes: the device comprises a first strip-shaped sliding groove 61, a second strip-shaped sliding groove 62, a sliding cross column 63, a limiting clamping plate 64, a second connecting spring 65, a supporting frame 66, a linkage rotating rod 67 and an ejection mechanism 68. The first bar-shaped chute 61 opens horizontally at the inner top of the closure 20. The limit clamp plate 64 is vertically and slidably connected to the first strip-shaped sliding groove 61. The second strip-shaped sliding groove 62 is vertically formed in the front and rear inner walls of the closing cover 20. The sliding horizontal column 63 is horizontally connected to the second strip-shaped sliding groove 62 in a sliding manner. The second connecting spring 65 is connected between the inner wall of the first linear guide groove 61 and the stopper bridge 64. The support bracket 66 is fixedly attached at the outer wall of the voltage sensor body 10. The linkage rotating rod 67 is rotatably connected to the end of the supporting frame 66 through a rotating shaft, and the upper end of the linkage rotating rod 67 is attached to the outer wall of the limit clamp plate 64. The ejector mechanism 68 is provided on the lower side of the interlocking turn bar 67.
The ejector mechanism 68 includes: a threaded connecting block 681, a threaded push rod 682, a stem 683, a linkage block 684, a first telescoping connecting rod 685, and a third connecting spring 686. The screw-threaded connecting blocks 681 are fixedly connected to the left and right inner walls of the closing cap 20. The threaded push rod 682 is vertically threaded through the threaded connection block 681, and the threaded push rod 682 is aligned with the sliding cross column 63. The linkage block 684 is connected to the underside of the support bracket 66 by a first telescoping connecting rod 685. The rotary handle 683 is fixedly connected to the lower end of the threaded push rod 682, and the head of the linkage block 684 is positioned on the upper side of the rotary handle 683, while the lower head of the linkage rotary rod 67 obliquely butts against the upper side of the linkage block 684. The third linking spring 686 is sleeved on the first telescopic linking rod 685, and both ends of the third linking spring 686 are fixedly connected to a fixed end and a telescopic end of the first telescopic linking rod 685, respectively.
When the connecting lead 200 passes through the corresponding position of the closing cover 10, so that the connecting lead 200 is horizontally arranged on the upper side of the sliding horizontal column 63, and the connecting lead 200 is connected with the terminal 50 of the voltage sensor main body 10, the threaded mandril 682 is rotated by the rotating handle 683, so that the threaded mandril 682 pushes the sliding horizontal column 63 upwards, and the sliding horizontal column 63 slides upwards along the second strip-shaped sliding groove 62. Sliding cross-post 63 compresses connecting wires 200 between stop clip 64 and the side wall of closure 20. And the knob 683 pushes against the linkage block 684 after the knob 683 moves up to the corresponding position. The linkage block 684 is lifted by means of the first telescopic connecting rod 685 to squeeze the lower end of the linkage rotating rod 67, and the upper end of the linkage rotating rod 67 pushes the limit clamp plate 64 to make it slide along the first linear sliding groove 61 to squeeze the connecting wire 200 on the sliding cross column 63. This allows the portion of connecting lead 200 adjacent to terminal 50 to be securely clamped to prevent the outer portion of connecting lead 200 from being pulled to interfere with the connection of terminal 50.
The end face of the limiting clamping plate 6 close to the sliding cross column 63 is provided with anti-slip threads for increasing friction force.
The tamper-resistant function-based voltage sensor 100 further includes: the sending mechanism 70 is positioned. The positioning transmission mechanism 70 includes: the device comprises a mounting box 71, a small electric telescopic rod 72, a top cover 73, a GPS (global positioning system) positioner 74, a power supply 75 for supplying power, a background monitoring terminal 76, a signal lamp 77 and a trigger mechanism 78. The mounting box 71 is fixedly attached to the top outer side of the closing cap 20. The small electric telescopic rods 72 are vertically and fixedly connected to the inner side of the mounting box 71 in a left-right pair. The top cover 73 is horizontally and fixedly connected to the upper end of the small electric telescopic rod 72, and the top cover 73 is closely attached to the upper side of the mounting box 71. A GPS locator 74 is fixedly mounted to the underside of the top cover 73. A power source 75 is mounted to the inside of the small power telescopic pole 72, the power source 75 supplying power to the small power telescopic pole 72 and the GPS locator 74. The signal lamp 77 is provided with a plurality of distributed background monitoring terminals 76. Each GPS locator 74 is provided with an independent number and each signal lamp 77 is provided with a corresponding number. The GPS locator 74 and the signal lamp 77 of the same independent number are wirelessly connected through the rear set monitoring terminal 76. A trigger mechanism 78 is provided on the outer wall of the closure cap 20, the trigger mechanism 78 being for triggering the GPS locator 74.
The trigger mechanism 78 includes: a baffle 781, a second telescopic connection rod 782, a fourth connection spring 783, a pressure sensing switch 784, and a support ceramic body 785. The baffle plates 781 are distributed at the respective outer walls of the closing cap 20. A second telescopic link 782 is connected between the baffle 781 and the outer wall of the closure cap 20. The fourth connection spring 783 is sleeved at the second telescopic connection rod 782, and the fourth connection spring 783 is in a stretched state. A pressure sensitive switch 784 is mounted to the outer wall of the closure cap 20 and the pressure sensitive switch 784 is electrically connected to the GPS locator 74. A support ceramic body 785 is connected between the baffle plate 781 and the closing cap 20.
When there is an outside person who hammers the closing cap 20 to break the closing cap 20, the supporting ceramic body 785 between the baffle plate 781 and the closing cap 20 is broken once the baffle plate 781 is struck. Then the baffle plate 781 slides and hits the closing cap 20 by means of the second telescopic link 782 under the resilient force of the fourth link spring 783, so that the pressure sensing switch 784 senses. The pressure sensitive switch 784 triggers the GPS locator 74. The GPS locator 74 transmits a position signal, and the background monitor terminal 76 receives the signal, and then causes a signal lamp 77 of the same number as the GPS locator 74 to be activated. The relevant background staff will then rely on the lighted signal lamp 77 to go to the corresponding location for inspection.
The trigger mechanism 78 further includes: an elastic rubber striker 786 for protecting the pressure sensitive switch 784. An elastic rubber striker 786 is fixedly attached to the bezel 781 and the elastic rubber striker 786 is present in alignment with the pressure sensitive switch 784. The elastic rubber striker 786 prevents the baffle 781 from directly striking the pressure sensitive switch 784 and causing damage.
The mounting case 71 is integrally cast with the closing lid 20.
The mounting box 71 is a square.
The lower end face of the closing cap 20 completely coincides with the upper end opening of the mounting box 71.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A tamper-resistant function based voltage sensor comprising: the voltage sensor comprises a voltage sensor body, a closed cover, a built-in locking piece mechanism, a fixing bolt and a wiring terminal; the terminal is arranged on the voltage sensor main body; the fixing bolt is arranged on the voltage sensor main body; the closing cover is connected to the voltage sensor body through the built-in locking mechanism,
the built-in latch mechanism includes: the device comprises a convex column, a clamping groove, a U-shaped connecting frame, a sliding clamping block and a first connecting spring; the convex column is vertically and fixedly connected with the fixing bolt; the clamping groove is formed in the convex column; the U-shaped connecting frame is horizontally and fixedly connected to the closing cover; the sliding fixture block is horizontally inserted into the U-shaped connecting frame in a sliding mode, and the lower side wall of the end head, close to the center of the sealing cover, of the sliding fixture block is a smooth arc surface; the first connecting spring is sleeved on the sliding clamping block.
2. The tamper-resistant functionality-based voltage sensor of claim 1,
the tamper-resistant function-based voltage sensor further includes: a wire body fixing mechanism; the line body fixed establishment includes: the device comprises a first strip-shaped sliding chute, a second strip-shaped sliding chute, a sliding transverse column, a limiting clamping plate, a second connecting spring, a supporting frame, a linkage rotating rod and a pushing mechanism; the first strip-shaped chute is horizontally arranged at the position of the sealing cover; the limiting clamping plate is vertically and slidably connected to the first strip-shaped sliding groove; the second strip-shaped sliding groove is vertically formed in the position of the sealing cover; the sliding transverse column is horizontally connected to the second strip-shaped sliding groove in a sliding mode; the second connecting spring is connected between the first strip-shaped sliding groove and the limiting clamping plate; the supporting frame is fixedly connected to the voltage sensor main body; the linkage rotating rod is rotatably connected to the supporting frame through a rotating shaft, and the upper end of the linkage rotating rod is attached to the limiting clamping plate; the ejection mechanism is arranged at the linkage rotating rod.
3. The tamper-resistant functionality-based voltage sensor of claim 2,
the ejection mechanism includes: the device comprises a threaded connecting block, a threaded ejector rod, a rotating handle, a linkage block, a first telescopic connecting rod and a third connecting spring; the threaded connecting block is fixedly connected to the closing cover; the threaded ejector rod is vertically connected to the threaded connecting block in a penetrating manner through threads, and the threaded ejector rod and the sliding cross column are aligned up and down; the linkage block is connected to the support frame through the first telescopic connecting rod; the rotating handle is fixedly connected to the threaded ejector rod, the end head of the linkage block is positioned above the rotating handle, and the lower end head of the linkage rotating rod is obliquely abutted against the upper side of the linkage block; the third connecting spring is sleeved on the first telescopic connecting rod.
4. The tamper-resistant functionality-based voltage sensor of claim 2,
the end face of the limiting clamping plate, which is close to the sliding transverse column, is provided with anti-slip grains for increasing friction force.
5. The tamper-resistant functionality-based voltage sensor of claim 2,
the tamper-resistant function-based voltage sensor further includes: a positioning and sending mechanism; the positioning transmission mechanism includes: the device comprises a mounting box, a small electric telescopic rod, a top cover, a GPS (global positioning system) positioner, a power supply for supplying power, a background monitoring terminal, a signal lamp and a trigger mechanism; the mounting box is fixedly connected to the closing cover; the small electric telescopic rods are vertically and fixedly connected into the mounting box in pairs from left to right; the top cover is horizontally and fixedly connected to the small electric telescopic rod; the GPS locator is fixedly mounted to the top cover; the power supply is mounted to the small electric telescopic rod; the signal lamps are provided with a plurality of distributed background monitoring terminals; each GPS locator is provided with an independent number, and each signal lamp is provided with a corresponding number; the GPS locators with the same independent numbers are wirelessly connected with the signal lamps through the rear set of monitoring terminals; the trigger mechanism is arranged on the closing cover.
6. The tamper-resistant functionality-based voltage sensor of claim 5,
the trigger mechanism includes: the baffle, the second telescopic connecting rod, the fourth connecting spring, the pressure sensing switch and the supporting ceramic body; the baffle is distributed on the outer side of the closing cover; the second telescopic connecting rod is connected between the baffle and the closing cover; the fourth connecting spring is sleeved at the second telescopic connecting rod and is in a stretching state; the pressure sensing switch is mounted to the outer wall of the closure cap and is electrically connected to the GPS locator; the support ceramic body is connected between the baffle and the closure cap.
7. The tamper-resistant functionality-based voltage sensor of claim 6,
the trigger mechanism further comprises: the elastic rubber striking piece is used for protecting the pressure sensing switch; the elastic rubber striker is fixedly connected to the baffle plate, and the elastic rubber striker is aligned with the pressure sensitive switch.
8. The tamper-resistant functionality-based voltage sensor of claim 7,
the mounting box and the closing cover are integrally cast.
9. The tamper-resistant functionality-based voltage sensor of claim 8,
the mounting box is square.
10. The tamper-resistant functionality-based voltage sensor of claim 9,
the lower end face of the sealing cover is completely overlapped with the upper port of the mounting box.
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| CN202111250552.4A CN114113741B (en) | 2021-10-26 | 2021-10-26 | Voltage sensor based on anti-tampering function |
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| CN202111250552.4A CN114113741B (en) | 2021-10-26 | 2021-10-26 | Voltage sensor based on anti-tampering function |
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| CN114113741B CN114113741B (en) | 2024-05-07 |
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| US20050219046A1 (en) * | 2004-03-25 | 2005-10-06 | Michinori Noguchi | Tamper switch structure and security sensor including the tamper switch structure |
| US20080291016A1 (en) * | 2005-03-01 | 2008-11-27 | Tracy Sharp | Anti-Tamper Devices |
| US20100245089A1 (en) * | 2009-03-30 | 2010-09-30 | Magnasphere Corp. | Anti-tamper assembly for surface mounted security switch |
| US20140325688A1 (en) * | 2013-04-26 | 2014-10-30 | Ultra Stereo Labs, Inc. | Tamperproof housing module |
| CN109690336A (en) * | 2016-07-11 | 2019-04-26 | 雷诺股份公司 | The device for being used to measure electric current being fastened on battery terminal vertically |
| CN206601424U (en) * | 2016-12-29 | 2017-10-31 | 珠海众特科技有限公司 | A kind of voltage sensor simply installed |
| CN206684210U (en) * | 2016-12-29 | 2017-11-28 | 珠海众特科技有限公司 | A kind of anti-tamper voltage sensor |
| CN208092122U (en) * | 2018-04-25 | 2018-11-13 | 宁波赛奥零点智能科技有限公司 | A kind of device based on the anti-tamper detection of electric bicycle voltage |
| CN208187431U (en) * | 2018-04-26 | 2018-12-04 | 焦作子亮红外传感有限公司 | The detection antiwithdrawal device of infrared sensor |
| CN209342792U (en) * | 2018-12-12 | 2019-09-03 | 青岛晟科信电气有限公司 | A kind of protective device of voltage signal sensor |
| CN209432200U (en) * | 2018-12-29 | 2019-09-24 | 三川智慧科技股份有限公司 | A kind of tamper intellectual water meter |
| CN211504176U (en) * | 2020-02-24 | 2020-09-15 | 山东特凌机电科技有限公司 | Sensor fixing device |
| CN212301671U (en) * | 2020-05-05 | 2021-01-05 | 泰州市苏大泰禾软件有限公司 | Voltage sensor |
| CN111413537A (en) * | 2020-05-11 | 2020-07-14 | 王艳军 | Portable voltage detection sensor with anti-loosening mechanism |
| CN111579952A (en) * | 2020-06-15 | 2020-08-25 | 上海贤业电气科技有限公司 | Two unification intelligent sensor are put in office |
| CN216411390U (en) * | 2021-10-26 | 2022-04-29 | 杭州巨骐信息科技股份有限公司 | Voltage sensor based on tamper-proof function |
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| CN114113741B (en) | 2024-05-07 |
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