Electricity larceny prevention interlocking device for electricity meter

Abstract

The invention relates to the technical field of power equipment, in particular to an electricity larceny prevention interlocking device for an electricity meter, which comprises a mounting plate, a protective cover is hinged to the surface of the mounting plate, and one end of the mounting plate is fixedly connected with a lock in inserted connection with the protective cover; the safety protection device is mounted at the other end of the mounting plate, and the other end of the safety protection device sequentially penetrates through the mounting plate and the lock and is connected with the protective cover in an inserted mode; the first trigger mechanism can monitor the completeness of the mounting plate, the protective cover and the lock in real time, and can be timely electrified to activate the first locking mechanism when the mounting plate, the protective cover and the lock are damaged and deformed, so that the first locking mechanism covers the electric energy meter and the circuit thereof, lawbreakers are difficult to contact the electric energy meter and the circuit thereof, and the safety of the electric energy meter is improved. And the success rate of electricity stealing by lawbreakers is reduced, so that a good anti-electricity-stealing effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of electric power equipment, in particular to an anti-electricity theft interlock for an electric meter. Background Art

[0002] Electricity theft from an electric meter is an illegal act that not only causes economic losses to the power company, but also pollutes the environment. An anti-electricity theft interlock is a device that prevents electricity theft. It is usually composed of a mechanical structure and electrical components. An anti-electricity theft interlock is usually installed in the meter box. When the meter box is illegally opened or damaged, the anti-electricity theft interlock will automatically lock the meter box to prevent electricity theft. This device is usually provided and installed by power companies or relevant departments to ensure the safety and stability of the power system.

[0003] Since the anti-electricity theft interlock device is usually installed on the door of the meter box, the protection function of the anti-electricity theft interlock device can only be triggered after the meter box door is broken open. When criminals pry open the lock or violently break into other parts of the meter box that are not in contact with the anti-electricity theft interlock device, the anti-electricity theft interlock device is difficult to be triggered, making it difficult to protect the meter from electricity theft. Summary of the invention

[0004] The purpose of the present invention is to provide an anti-electricity theft interlock device for an electric meter in order to solve the above problems, so as to improve the problem that the triggering accuracy of the existing anti-electricity theft interlock device for an electric meter is low and it is difficult to prevent the electric meter from being stolen.

[0005] The present invention achieves the above-mentioned purpose through the following technical scheme: an anti-electricity theft interlock for an electric meter, comprising: a mounting plate, a protective cover is hinged on the surface of the mounting plate, and one end of the mounting plate is fixedly connected to a lock plugged into the protective cover; a safety protection device, the safety protection device is mounted on the other end of the mounting plate, the other end of the safety protection device sequentially penetrates the mounting plate and the lock and is plugged into the protective cover; the safety protection device comprises a first trigger mechanism, the first trigger mechanism is mounted on the other end of the mounting plate, the other end of the first trigger mechanism sequentially penetrates the mounting plate and the lock and extends to the interior of the protective cover, a first locking mechanism plugged into the protective cover is mounted on the surface of the first trigger mechanism, a second locking mechanism is mounted on the surface of the first locking mechanism, a second trigger mechanism is mounted on the surface of the first trigger mechanism, and the other end of the second trigger mechanism penetrates into the interior of the lock.

[0006] Preferably, the first trigger mechanism includes a wireless controller, the wireless controller is fixedly connected to one end of the mounting plate, the surface of the wireless controller is electrically connected with two connecting wires, the other end of one of the connecting wires passes through the mounting plate and the lock and is electrically connected to the wireless controller, the other end of the other connecting wire passes through the protective cover and is electrically connected to the wireless controller, the surface of the connecting wire is electrically connected with pressure sensors that are evenly distributed and embedded and installed in adjacent mounting plates or adjacent protective covers or adjacent locks, the surface of the wireless controller is electrically connected with an electric control switch fixedly connected to the mounting plate, one end of the electric control switch is electrically connected with a power-carrying wire, and the other end of the power-carrying wire passes through the outside of the mounting plate; the inner top wall and the inner bottom wall of the protective cover are both provided with a first positioning groove; the first locking mechanism includes a conductive cover and two conductive plates, the conductive cover is arranged at The inner top wall and the inner bottom wall of the conductive cover are fixedly connected to a conductive box, the top and the bottom of the conductive cover are provided with positioning holes connected to the adjacent conductive boxes, the inner wall of the conductive box is fixedly connected to a first electromagnet, the inner wall of the conductive box is slidably connected to a first magnetic plate, one end of the first magnetic plate is fixedly connected to a first spring fixedly connected to the conductive box, the other end of the first magnetic plate is fixedly connected to a positioning block plugged into the adjacent positioning hole, the other end of the positioning block passes through the positioning hole and is plugged into the adjacent first positioning groove, the two conductive plates are fixedly connected to one end of the mounting plate, one end of one of the conductive plates is electrically connected to the electric control switch, and the opposite ends of the two conductive plates are provided with second positioning grooves aligned with the adjacent positioning holes, which can make it difficult for criminals to access the electric energy meter and its lines, reduce the success rate of criminals stealing electricity, and thus achieve a good anti-electricity theft effect.

[0007] Preferably, the surface of the wireless controller is electrically connected to an alarm fixedly connected to the mounting plate, and the alarm is arranged inside the conductive cover.

[0008] Preferably, the straight-line distance between the first electromagnet and the first magnetic attraction plate is the same as the height of the second positioning groove, and the heights of the first positioning groove, the positioning hole and the second positioning groove are all the same.

[0009] Preferably, the first spring is a rubber material component, and the first spring is always in a compressed state.

[0010] Preferably, a guide column is fixedly connected to the inner wall of the conductive box, and the other end of the guide column passes through the first spring and the first magnetic plate in sequence and extends to the outside of the first magnetic plate, which can simultaneously limit the running trajectories of the first spring and the first magnetic plate to ensure that the first spring and the first magnetic plate can operate normally.

[0011] Preferably, the inner wall of the protective cover is provided with a guide opening connected to the lock; the surface of the lock is provided with a limiting opening; the second locking mechanism includes a conductive frame fixedly connected to the surface of the conductive cover, the inner wall of the conductive frame is embedded with a second electromagnet, the other end of the second electromagnet is provided with a second spring, the other end of the second spring is fixedly connected to a first rack slidably connected to the conductive frame, the surface of the first rack is meshedly connected to a gear rotatably connected to the conductive frame, the other end of the gear is meshedly connected to a second rack slidably connected to the conductive frame, the other end of the second rack is aligned with the guide opening and the limiting opening, which further increases the difficulty for criminals to remove the conductive cover, further reduces the probability of the electric energy meter and its circuit being damaged and modified, thereby achieving a good anti-electricity theft effect.

[0012] Preferably, the second spring is a rubber material component, and the second spring is always in a compressed state, which can ignore the influence of the magnetic force of the second electromagnet to ensure that the second spring can be used normally.

[0013] Preferably, the second trigger mechanism includes a push plate and a pressure switch, the push plate is hinged to the inside of the lock, the pressure switch is fixedly connected to the inside of the lock, the push plate is arranged on the side of the pressure switch away from the limited opening, the other end of the pressure switch is fixedly connected to an electrical rotary joint, the other end of the electrical rotary joint sequentially penetrates the lock and the mounting plate and extends to the outside of the mounting plate, the other end of the electrical rotary joint is electrically connected to a timer electrically connected to the wireless controller, even if the lawbreakers unlock the lock core, the lawbreakers still cannot open the protective cover, further improving the coefficient of the anti-electricity theft interlock device.

[0014] Preferably, the second trigger mechanism also includes a third spring, which is fixedly connected to the inside of the lock, and the third spring is sleeved on the surface of the pressure switch. One end of the third spring is in contact with the push plate. The third spring is a rubber material component, which can reset the push plate by itself after the push plate loses resistance to avoid the pressure switch being triggered all the time, thereby improving the accuracy of the operation of the second trigger mechanism.

[0015] The beneficial effects of the present invention are:

[0016] 1. The first trigger mechanism can monitor the integrity of the mounting plate, protective cover and lock in real time, and can timely activate the first locking mechanism when the mounting plate, protective cover and lock are damaged or deformed, so that the first locking mechanism covers the electric energy meter and its circuits, making it difficult for criminals to access the electric energy meter and its circuits, thereby reducing the success rate of criminals stealing electricity, thereby achieving a good anti-electricity theft effect;

[0017] 2. When the conductive cover is powered on, the second electromagnet drives the second rack to extend to the inside of the limited opening through the first rack and the gear. At this time, the lock and the protective cover are firmly locked together. Even if the criminals use the method of prying the lock, the criminals cannot open the protective cover normally, which further increases the difficulty for the criminals to remove the conductive cover, and further reduces the probability of the electric energy meter and its circuit being damaged and modified, thereby achieving a good anti-electricity theft effect;

[0018] 3. When the criminals insert the lock picking device into the keyhole, the lock picking device will inevitably activate the pressure switch by pushing the push plate. At this time, the timer starts the countdown. When the timer countdown ends, the wireless controller energizes and activates the first locking mechanism and the second locking mechanism. At this time, even if the criminals unlock the lock cylinder, the lock tongue is firmly locked inside the protective cover by the second rack. The criminals still cannot open the protective cover, which further improves the coefficient of the anti-theft interlock device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a cross-sectional schematic diagram of the present invention;

[0021] Figure 3 It is an explosion schematic diagram of the present invention;

[0022] Figure 4 It is a schematic diagram of the connection between the first trigger mechanism and the second trigger mechanism in the present invention;

[0023] Figure 5 It is a partially cut structural schematic diagram of the protective cover and the first locking mechanism in the present invention;

[0024] Figure 6 It is a cross-sectional schematic diagram of a partial structure of the protective cover and the first locking mechanism in the present invention;

[0025] Figure 7 It is an exploded schematic diagram of a partial cut-away structure of the protective cover and the first locking mechanism in the present invention;

[0026] Figure 8 It is a partial structural schematic diagram of the protective cover, lock and safety protection device in the present invention;

[0027] Fig. 9 It is a cross-sectional schematic diagram of a partial structure of the protective cover, the lock and the safety protection device in the present invention;

[0028] Fig.10 It is a partially cut structural schematic diagram of the lock and the second trigger mechanism of the present invention;

[0029] Fig.11It is a cross-sectional schematic diagram of a partial structure of the lock and the second trigger mechanism in the present invention.

[0030] In the figure: 1, mounting plate; 2, protective cover; 201, first positioning groove; 202, guide opening; 3, lock; 301, limiting opening; 4, safety protection device; 5, first trigger mechanism; 501, wireless controller; 502, connecting wire; 503, pressure sensor; 504, electric control switch; 505, power wire; 506, alarm; 6, first locking mechanism; 601, conductive cover; 602, conductive box; 603, first electromagnet; 604, first magnetic plate; 605, first spring; 606, positioning block; 607, positioning hole; 608, conductive plate; 609, second positioning slot; 610, guide column; 7, second locking mechanism; 701, conductive frame; 702, second electromagnet; 703, second spring; 704, first rack; 705, gear; 706, second rack; 8, second trigger mechanism; 801, push plate; 802, pressure switch; 803, electrical rotary joint; 804, timer; 805, third spring. DETAILED DESCRIPTION

[0031] 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.

[0032] When implementing: Figure 1-11 As shown, an anti-electricity theft interlock for an electric meter comprises: a mounting plate 1, a protective cover 2 is hingedly connected to the surface of the mounting plate 1, and a lock 3 plugged into the protective cover 2 is fixedly connected to one end of the mounting plate 1; a safety protection device 4, the safety protection device 4 is mounted on the other end of the mounting plate 1, and the other end of the safety protection device 4 sequentially penetrates the mounting plate 1 and the lock 3 and is plugged into the protective cover 2; the safety protection device 4 comprises a first trigger mechanism 5, the first trigger mechanism 5 is mounted on the other end of the mounting plate 1, and the other end of the first trigger mechanism 5 sequentially penetrates the mounting plate 1 and the lock 3 and extends to the inside of the protective cover 2, a first locking mechanism 6 plugged into the protective cover 2 is mounted on the surface of the first trigger mechanism 5, a second locking mechanism 7 is mounted on the surface of the first locking mechanism 6, a second trigger mechanism 8 is mounted on the surface of the first trigger mechanism 5, and the other end of the second trigger mechanism 8 penetrates into the inside of the lock 3.

[0033] like Figure 4 , Figure 5 and Figure 7As shown, the first trigger mechanism 5 includes a wireless controller 501, which is fixedly connected to one end of the mounting plate 1, and the surface of the wireless controller 501 is electrically connected with two connecting wires 502, wherein the other end of one connecting wire 502 penetrates the mounting plate 1 and the lock 3 and is electrically connected to the wireless controller 501, and the other end of the other connecting wire 502 penetrates the protective cover 2 and is electrically connected to the wireless controller 501, and the surface of the connecting wire 502 is electrically connected with pressure sensors 503 that are evenly distributed and embedded and installed in adjacent mounting plates 1 or adjacent protective covers 2 or adjacent locks 3, respectively, and the surface of the wireless controller 501 is electrically connected with an electric control switch 504 that is fixedly connected to the mounting plate 1, and one end of the electric control switch 504 is electrically connected with a power-carrying wire 505, and the other end of the power-carrying wire 505 penetrates to the outside of the mounting plate 1; the inner top wall and the inner bottom wall of the protective cover 2 are both provided with a first positioning groove 201; The other end of the energized wire 505 is connected to a separate conductive line in the outside world. The staff can determine whether there are criminals who activate the first locking mechanism 6 by monitoring the separate conductive line in the outside world, so that the staff can timely discover the criminals' electricity theft behavior; the surface of the wireless controller 501 is electrically connected to an alarm 506 fixedly connected to the mounting plate 1, and the alarm 506 is arranged inside the conductive cover 601; when the wireless controller 501 turns on the electric switch 504 according to the preset instruction, the wireless controller 501 synchronously turns on the alarm 506 according to the preset instruction, and the alarm 506 sounds an alarm at this time, which can increase the pressure on the criminals to commit crimes, but cannot achieve the purpose of scaring away the criminals, and can also reduce the damage of the interlocking device, and because the alarm 506 is arranged inside the conductive cover 601, it is difficult for criminals to destroy the alarm 506 in a short time, thereby improving the warning effect of the alarm 506.

[0034] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, the first locking mechanism 6 includes a conductive cover 601 and two conductive plates 608, the conductive cover 601 is arranged inside the protective cover 2, the inner top wall and the inner bottom wall of the conductive cover 601 are fixedly connected with a conductive box 602, the top and the bottom of the conductive cover 601 are provided with positioning holes 607 connected with the adjacent conductive box 602, the inner wall of the conductive box 602 is fixedly connected with a first electromagnet 603, the inner wall of the conductive box 602 is slidably connected with a first magnetic plate 604, one end of the first magnetic plate 604 is fixedly connected with a first spring 605 fixedly connected with the conductive box 602, the other end of the first magnetic plate 604 is fixedly connected with a positioning block 606 plugged into the adjacent positioning hole 607, and the positioning block 606 The other end passes through the positioning hole 607 and is plugged into the adjacent first positioning groove 201. The two conductive plates 608 are fixedly connected to one end of the mounting plate 1, one end of one of the conductive plates 608 is electrically connected to the electric switch 504, and the opposite ends of the two conductive plates 608 are provided with a second positioning groove 609 aligned with the adjacent positioning hole 607; when the staff needs to unlock the conductive cover 601, the staff needs to use a wireless terminal compatible with the wireless controller 501 to match and connect with the wireless controller 501. At this time, the staff can control the wireless controller 501 through the wireless terminal to close the electric switch 504. At this time, the energized wire 505 is disconnected from the conductive plate 608, and the conductive cover 601 and the conductive box 602 are closed. The power is also cut off synchronously with the first electromagnet 603. At this time, the first electromagnet 603 loses its magnetic force, and the first spring 605 quickly retracts the first magnetic plate 604. The first magnetic plate 604 drives the positioning block 606 to separate from the second positioning groove 609. At this time, the conductive plate 608 and the conductive cover 601 also lose connection synchronously, and the staff can remove the conductive cover 601. The straight-line distance between the first electromagnet 603 and the first magnetic plate 604 is the same as the height of the second positioning groove 609, and the heights of the first positioning groove 201, the positioning hole 607 and the second positioning groove 609 are all the same. When the first electromagnet 603 or the first spring 605 drives the first magnetic plate 604 to move to the limit distance, the first magnetic plate 604 can The positioning block 606 is driven to be closed with the first positioning groove 201 or the second positioning groove 609 to ensure that the locking and unlocking processes can proceed normally; the first spring 605 is a rubber material component, and the first spring 605 is always in a compressed state; this can ignore the magnetic influence of the first electromagnet 603 to ensure that the first spring 605 can be used normally; the inner wall of the conductive box 602 is fixedly connected with a guide column 610, and the other end of the guide column 610 passes through the first spring 605 and the first magnetic plate 604 in sequence and extends to the outside of the first magnetic plate 604; this can simultaneously limit the running trajectories of the first spring 605 and the first magnetic plate 604 to ensure that the first spring 605 and the first magnetic plate 604 can operate normally.

[0035] like Figure 8 and Fig. 9As shown, the inner wall of the protective cover 2 is provided with a guide opening 202 connected to the lock 3; the surface of the lock 3 is provided with a limiting opening 301; the second locking mechanism 7 includes a conductive frame 701 fixedly connected to the surface of the conductive cover 601, the inner wall of the conductive frame 701 is embedded with a second electromagnet 702, the other end of the second electromagnet 702 is provided with a second spring 703, the other end of the second spring 703 is fixedly connected with a first rack 704 slidably connected to the conductive frame 701, and the surface of the first rack 704 is meshed with a The other end of the gear 705 is meshed with a second rack 706 which is slidably connected to the conductive frame 701, and the other end of the second rack 706 is aligned with the guide opening 202 and the limiting opening 301; when the conductive cover 601 is energized, the second electromagnet 702 is also energized by the conductive cover 601 through the conductive frame 701 and activated. At this time, the second electromagnet 702 absorbs the first rack 704, and the first rack 704 drives the gear 705 to rotate during the movement, and the gear 705 drives the second rack 706 to face away from the first rack 704. The second rack 706 penetrates the guide opening 202 and extends to the inside of the limiting opening 301. At this time, the lock 3 and the protective cover 2 are firmly locked together. Even if the criminals use the method of picking the lock, the criminals cannot normally open the protective cover 2, which further increases the difficulty for the criminals to remove the conductive cover 601, and further reduces the probability of the electric energy meter and its circuit being damaged and modified, thereby achieving a good anti-electricity theft effect; when the conductive cover 601 is powered off, the second electromagnet 702 loses its magnetic attraction, and the second spring 70 3 The first rack 704 is quickly pushed back, the first rack 704 drives the gear 705 to rotate, and the gear 705 drives the second rack 706 to separate from the limiting opening 301 and the guide opening 202 in sequence, until it is completely retracted into the inside of the conductive frame 701. At this time, the lock 3 is unlocked, and the staff can open the protective cover 2 normally by unlocking the lock 3; the second spring 703 is a rubber material component, and the second spring 703 is always in a compressed state; this can ignore the magnetic force of the second electromagnet 702 to ensure that the second spring 703 can be used normally.

[0036] like Figure 4 , Fig.10 and Fig.11As shown, the second trigger mechanism 8 includes a push plate 801 and a pressure switch 802, the push plate 801 is hinged to the inside of the lock 3, the pressure switch 802 is fixedly connected to the inside of the lock 3, the push plate 801 is arranged on the side of the pressure switch 802 away from the limiting opening 301, the other end of the pressure switch 802 is fixedly connected to an electrical rotary joint 803, the other end of the electrical rotary joint 803 sequentially penetrates the lock 3 and the mounting plate 1 and extends to the outside of the mounting plate 1, the other end of the electrical rotary joint 803 is electrically connected to a timer 804 electrically connected to the wireless controller 501; the lock 3 includes a lock shell fixedly connected to one end of the mounting plate 1, and the lock shell A lock core is installed inside, a lock hole is opened at one end of the lock core, a lock tongue is installed at the other end of the lock core, both ends of the lock tongue pass through the lock shell and are plugged into the protective cover 2, a limiting opening 301 is opened on the surface of the lock tongue, a push plate 801 is hinged to the inner top wall of the lock hole, a pressure switch 802 and a third spring 805 are fixedly connected to the inner top wall of the lock hole, the other end of the pressure switch 802 passes through the lock hole and extends to the outside of the lock core, an electrical rotary joint 803 is sleeved on the surface of the lock core, and the electrical rotary joint 803 is fixedly connected to the inside of the lock shell; when a criminal wants to unlock the lock 3 by picking the lock, while the criminal inserts the picking tool into the lock hole, the picking lock The device inevitably pushes against the push plate 801, and the push plate 801 rotates and squeezes the pressure switch 802. At this time, the pressure switch 802 turns on the timer 804 through the electrical rotary joint 803 according to the preset instruction, and the timer 804 starts the countdown. When the timer 804 counts down, the timer 804 transmits the preset safety instruction to the wireless controller 501, and the wireless controller 501 controls the opening of the electric control switch 504 according to the preset safety instruction. At this time, the first locking mechanism 6 and the second locking mechanism 7 are both activated, and the second rack 706 also synchronously penetrates into the limiting opening 301. At this time, even if the criminals unlock the lock cylinder, the lock tongue is also It is firmly locked inside the protective cover 2 by the second rack 706, and criminals still cannot open the protective cover 2, which further improves the coefficient of the anti-electricity theft interlock; the second trigger mechanism 8 also includes a third spring 805, the third spring 805 is fixedly connected to the inside of the lock 3, the third spring 805 is sleeved on the surface of the pressure switch 802, one end of the third spring 805 is in contact with the push plate 801, and the third spring 805 is a rubber material component; the third spring 805 can automatically reset the push plate 801 after the push plate 801 loses resistance to avoid the pressure switch 802 being triggered all the time, thereby improving the accuracy of the operation of the second trigger mechanism 8.

[0037] The working principle of the present invention is as follows:

[0038] If the criminals open the protective cover 2 by force, the mounting plate 1, the protective cover 2 and the lock 3 will inevitably squeeze the pressure sensor 503 during the deformation process. The pressure sensor 503 transmits the pressure signal to the wireless controller 501 through the connecting wire 502. The wireless controller 501 controls the opening of the electric switch 504 according to the preset program. The electric switch 504 connects the energized wire 505 with the conductive plate 608. At this time, the current derived from the energized wire 505 can be conducted to the conductive plate 608, and the conductive plate 608 conducts the current to the conductive cover 601. At this time, the conductive cover 601 is charged. Even if the criminals open the protective cover 2, the energized conductive cover 601 can cover the electric energy meter, which increases the difficulty for the criminals to touch the electric energy meter, thereby achieving a good anti-electricity theft effect.

[0039] When the conductive cover 601 is energized, the current passes through the conductive box 602 to power the first electromagnet 603. At this time, the first electromagnet 603 generates a magnetic attraction. The first magnetic plate 604 approaches the first electromagnet 603 under the action of the magnetic attraction. The first magnetic plate 604 drives the positioning block 606 to pass through the first positioning groove 201 and plug into the second positioning groove 609. At this time, the conductive plate 608 is mutually restrained with the conductive cover 601 through the second positioning groove 609, the positioning block 606 and the positioning hole 607. At this time, the conductive cover 601 is firmly locked on the surface of the mounting plate 1, which effectively increases the difficulty for criminals to remove the conductive cover 601, and further reduces the probability of the electric energy meter and its circuit being damaged and modified, thereby achieving a good anti-electricity theft effect.

[0040] It should be noted that in the above description, the wireless controller 501, the connecting wire 502, the pressure sensor 503, the electric control switch 504, the energized wire 505, the alarm 506, the first electromagnet 603, the second electromagnet 702, the pressure switch 802, the electrical rotary joint 803 and the timer 804 are all devices with relatively mature applications in the prior art. The specific models can be selected according to actual needs. At the same time, the wireless controller 501, the pressure sensor 503, the electric control switch 504, the alarm 506, the pressure switch 802, the electrical rotary joint 803 and the timer 804 can be powered by a built-in power supply or by the mains. The specific power supply method is selected according to the situation and will not be elaborated here.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An anti-electricity theft interlock for an electric meter, characterized in that: include: A mounting plate (1), a protective cover (2) being hingedly connected to the surface of the mounting plate (1), and a lock (3) plugged into the protective cover (2) being fixedly connected to one end of the mounting plate (1); A safety protection device (4), wherein the safety protection device (4) is mounted on the other end of the mounting plate (1), and the other end of the safety protection device (4) sequentially passes through the mounting plate (1) and the lock (3) and is plugged into the protective cover (2); The safety protection device (4) comprises a first trigger mechanism (5), the first trigger mechanism (5) is mounted on the other end of the mounting plate (1), the other end of the first trigger mechanism (5) passes through the mounting plate (1) and the lock (3) in sequence and extends to the interior of the protective cover (2), a first locking mechanism (6) plugged into the protective cover (2) is mounted on the surface of the first trigger mechanism (5), a second locking mechanism (7) is mounted on the surface of the first locking mechanism (6), a second trigger mechanism (8) is mounted on the surface of the first trigger mechanism (5), and the other end of the second trigger mechanism (8) passes through the interior of the lock (3).

2. The anti-electricity theft interlock device for an electric meter according to claim 1, characterized in that: The first trigger mechanism (5) comprises a wireless controller (501), the wireless controller (501) is fixedly connected to one end of the mounting plate (1), the surface of the wireless controller (501) is electrically connected to two connecting wires (502), the other end of one of the connecting wires (502) passes through the mounting plate (1) and the lock (3) and is electrically connected to the wireless controller (501), the other end of the other connecting wire (502) passes through the protective cover (2) and is electrically connected to the wireless controller (501), and the surface of the connecting wire (502) is electrically connected to the connecting wires (502) which are evenly distributed and spaced apart. A pressure sensor (503) is embedded in an adjacent mounting plate (1) or an adjacent protective cover (2) or an adjacent lock (3); the surface of the wireless controller (501) is electrically connected to an electric switch (504) fixedly connected to the mounting plate (1); one end of the electric switch (504) is electrically connected to a power-carrying wire (505); the other end of the power-carrying wire (505) passes through the outside of the mounting plate (1); the inner top wall and the inner bottom wall of the protective cover (2) are both provided with a first positioning groove (201); the first locking mechanism (6) includes a conductive cover (601) and a number of The conductive cover (601) is arranged inside the protective cover (2), the inner top wall and the inner bottom wall of the conductive cover (601) are fixedly connected to the conductive box (602), the top and the bottom of the conductive cover (601) are provided with positioning holes (607) connected to the adjacent conductive box (602), the inner wall of the conductive box (602) is fixedly connected to the first electromagnet (603), the inner wall of the conductive box (602) is slidably connected to the first magnetic attraction plate (604), one end of the first magnetic attraction plate (604) is fixedly connected to the first electromagnet (603) fixedly connected to the conductive box (602), and the first electromagnet (603) is fixedly connected to the inner wall of the conductive box (602). A spring (605), the other end of the first magnetic attraction plate (604) is fixedly connected to a positioning block (606) plugged into the adjacent positioning hole (607), the other end of the positioning block (606) passes through the positioning hole (607) and plugs into the adjacent first positioning groove (201), the two conductive plates (608) are fixedly connected to one end of the mounting plate (1), one end of one of the conductive plates (608) is electrically connected to the electric control switch (504), and the opposite ends of the two conductive plates (608) are provided with a second positioning groove (609) aligned with the adjacent positioning hole (607).

3. The anti-electricity theft interlock device for an electric meter according to claim 2, characterized in that: The surface of the wireless controller (501) is electrically connected to an alarm (506) fixedly connected to the mounting plate (1), and the alarm (506) is arranged inside the conductive cover (601).

4. The anti-electricity theft interlock device for an electric meter according to claim 2, characterized in that: The straight-line distance between the first electromagnet (603) and the first magnetic attraction plate (604) is the same as the height of the second positioning groove (609), and the heights of the first positioning groove (201), the positioning hole (607) and the second positioning groove (609) are all the same.

5. The anti-electricity theft interlock device for an electric meter according to claim 2, characterized in that: The first spring (605) is a rubber material component, and the first spring (605) is always in a compressed state.

6. The anti-electricity theft interlock device for an electric meter according to claim 2, characterized in that: A guide column (610) is fixedly connected to the inner wall of the conductive box (602), and the other end of the guide column (610) passes through the first spring (605) and the first magnetic attraction plate (604) in sequence and extends to the outside of the first magnetic attraction plate (604).

7. The anti-electricity theft interlock device for an electric meter according to claim 2, characterized in that: The inner wall of the protective cover (2) is provided with a guide opening (202) connected to the lock (3); the surface of the lock (3) is provided with a limiting opening (301); the second locking mechanism (7) comprises a conductive frame (701) fixedly connected to the surface of the conductive cover (601); a second electromagnet (702) is embedded and installed on the inner wall of the conductive frame (701); a second spring (703) is provided at the other end of the second electromagnet (702); the other end of the second spring (703) is fixedly connected to a first rack (704) slidably connected to the conductive frame (701); the surface of the first rack (704) is meshedly connected to a gear (705) rotatably connected to the conductive frame (701); the other end of the gear (705) is meshedly connected to a second rack (706) slidably connected to the conductive frame (701); the other end of the second rack (706) is aligned with both the guide opening (202) and the limiting opening (301).

8. The anti-electricity theft interlock device for an electric meter according to claim 7, characterized in that: The second spring (703) is a rubber material component, and the second spring (703) is always in a compressed state.

9. The anti-electricity theft interlock device for an electric meter according to claim 7, characterized in that: The second trigger mechanism (8) comprises a push plate (801) and a pressure switch (802), wherein the push plate (801) is hinged to the interior of the lock (3), and the pressure switch (802) is fixedly connected to the interior of the lock (3). The push plate (801) is arranged on a side of the pressure switch (802) away from the limiting opening (301), and the other end of the pressure switch (802) is fixedly connected to an electrical rotary joint (803), and the other end of the electrical rotary joint (803) passes through the lock (3) and the mounting plate (1) in sequence and extends to the outside of the mounting plate (1), and the other end of the electrical rotary joint (803) is electrically connected to a timer (804) electrically connected to the wireless controller (501).

10. The anti-electricity theft interlock device for an electric meter according to claim 9, characterized in that: The second trigger mechanism (8) further comprises a third spring (805), wherein the third spring (805) is fixedly connected to the interior of the lock (3), the third spring (805) is sleeved on the surface of the pressure switch (802), one end of the third spring (805) is in contact with the push plate (801), and the third spring (805) is a rubber material component.

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