阅读说明：本技术 一种电磁锁止电表及锁止控制方法 (Electromagnetic locking ammeter and locking control method ) 是由 冯子刚 朱琳 郭峰 刘林慧 吕兆靖 刘海勇 宿刚 赵洪刚 刘桂森 于 2020-08-12 设计创作，主要内容包括：本发明涉及电表结构领域,尤其涉及一种电磁锁止电表及锁止控制方法,可以避免外置铅封或锁具的使用,提高电表的安全性。一种电磁锁止电表,包括电表盒、主锁销、锁止装置与控制装置,所述电表盒包括盒体与盒盖,所述主锁销、锁止装置与控制装置设置在盒体内；所述主锁销与盒盖卡接,与盒体滑动连接,所述主锁销沿长度方向设有多个锁孔；所述锁止装置数量与锁孔相同,锁止装置包括固定连接的磁石与副锁销,所述副锁销与锁孔插接,所述锁止装置与盒盖通过弹簧连接；所述控制装置包括电磁铁与控制器,所述电磁铁与锁止装置位置相匹配,所述电磁铁与控制器连接。一种电磁锁止电表锁止控制方法,使用上述电表。(The invention relates to the field of ammeter structures, in particular to an electromagnetic locking ammeter and a locking control method, which can avoid the use of an external lead seal or a lock and improve the safety of the ammeter. An electromagnetic locking ammeter comprises an ammeter box, a main lock pin, a locking device and a control device, wherein the ammeter box comprises a box body and a box cover; the main lock pin is clamped with the box cover and is in sliding connection with the box body, and a plurality of lock holes are formed in the main lock pin along the length direction; the number of the locking devices is the same as that of the lock holes, each locking device comprises a magnet and an auxiliary lock pin which are fixedly connected, the auxiliary lock pins are inserted into the lock holes, and the locking devices are connected with the box cover through springs; the control device comprises an electromagnet and a controller, the electromagnet is matched with the locking device in position, and the electromagnet is connected with the controller. An electromagnetic locking electric meter locking control method uses the electric meter.)

1. An electromagnetic locking ammeter, characterized in that: the electric meter box comprises a box body and a box cover, and the main lock pin, the locking device and the control device are arranged in the box body;

the main lock pin is clamped with the box cover and is in sliding connection with the box body, and a plurality of lock holes are formed in the main lock pin along the length direction;

the number of the locking devices is the same as that of the lock holes, each locking device comprises a magnet and an auxiliary lock pin which are fixedly connected, the auxiliary lock pins are inserted into the lock holes, and the locking devices are connected with the box cover through springs;

the control device comprises an electromagnet and a controller, the electromagnet is matched with the locking device in position, and the electromagnet is connected with the controller.

2. The electromagnetic locking electricity meter of claim 1, wherein: at least part of the auxiliary lock pins are straight lock pins, and the straight lock pins are inserted from one end of the lock hole close to the electromagnet;

and part of the auxiliary lock pins are clip lock pins which are inserted from one end of the lock hole far away from the electromagnet.

3. The electromagnetic locking electricity meter of claim 2, wherein: the locking device comprises a magnet seat, the auxiliary lock pin and the magnet are fixedly arranged on two sides of the magnet seat, the magnet is located on one side close to the electromagnet, and the magnet seat and the box body are connected with two ends of the spring.

4. The electromagnetic locking electricity meter of claim 3, wherein: and the spring connected with the straight-inserting lock pin is positioned on one side of the magnet seat close to the electromagnet.

5. The electromagnetic locking electricity meter of claim 3, wherein: and the spring connected with the clip lock pin is positioned on one side of the magnet seat far away from the electromagnet.

6. The electromagnetic locking ammeter according to any of claims 2-5, wherein: the magnets connected with the straight insertion lock pin are opposite in polarity to the magnets connected with the square-shaped lock pin.

7. The electromagnetic locking electricity meter of any one of claims 1-5, wherein: the box body is provided with a position sensor, and the main lock pin is provided with a detection block matched with the position sensor.

8. The electromagnetic locking electricity meter of any one of claims 1-5, wherein: the device also comprises a two-dimensional code scanning module and a wireless communication module, wherein the two-dimensional code scanning module and the wireless communication module are both connected with the controller.

9. A locking control method for an electromagnetic locking ammeter is characterized by comprising the following steps: the method comprises the following steps:

step a, an electric meter is provided with a two-dimension code scanning module, generates a two-dimension code, scans the two-dimension code of the electric meter by using a special terminal, and transmits electric meter information needing unlocking;

b, the remote control terminal confirms that the ammeter can be unlocked, controls the locking device through the wireless communication module, energizes the electromagnet, enables the locking device to act, and enables the auxiliary lock pin to be separated from the lock hole;

c, pulling the main lock pin to enable the main lock pin to be separated from the clamping state of the box cover, and opening the box cover;

and d, closing the box cover, inserting the main lock pin into the box cover, disconnecting the current of the electromagnet through the special terminal, inserting the auxiliary lock pin into the lock hole under the action of the elastic force of the spring, and locking the main lock pin.

10. The method for controlling locking of the electromagnetic locking ammeter according to claim 9, wherein: the number of the auxiliary lock pins is multiple, and the auxiliary lock pins comprise a part of straight lock pins and a part of square-shaped lock pins, the current direction of the electromagnet matched with the square-shaped lock pins is opposite to the current direction of the electromagnet matched with the straight lock pins.

Technical Field

The invention relates to the field of ammeter structures, in particular to an electromagnetic locking ammeter and a locking control method.

Background

The electric energy meter is a metering device of electric energy use quantity, in order to ensure that the electric energy meter can not be opened by the people and disturb the measurement, the encapsulation that the electric energy meter measurement terminal box prevented to open needs to be carried out, generally adopts the lead sealing to carry out the seal. At present, the lead seal is a disposable lead seal, at present, when a power system is maintained by opening the meter box cover every time, the lead seal needs to be encapsulated again, and the number of the lead seal is counted, so that materials are wasted in the mode, manpower is wasted, and management is not fine.

The conventional lock needs to be opened by a key, the physical key is inconvenient to manage and carry by operators, and if the lock is arranged externally, the conventional lock is easy to damage or rust.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the electromagnetic locking ammeter and the passing method, which can avoid the use of an external lead seal or a lockset and improve the safety of the ammeter.

The scheme provided by the invention is as follows:

an electromagnetic locking ammeter comprises an ammeter box, a main lock pin, a locking device and a control device, wherein the ammeter box comprises a box body and a box cover;

the main lock pin is clamped with the box cover and is in sliding connection with the box body, and a plurality of lock holes are formed in the main lock pin along the length direction;

the number of the locking devices is the same as that of the lock holes, each locking device comprises a magnet and an auxiliary lock pin which are fixedly connected, the auxiliary lock pins are inserted into the lock holes, and the locking devices are connected with the box cover through springs;

the control device comprises an electromagnet and a controller, the electromagnet is matched with the locking device in position, and the electromagnet is connected with the controller.

The main lock pin is used for fixing the box cover and the box body, and the auxiliary lock pin is inserted into the main lock pin under the action of the spring to fix the main lock pin. The opening of the auxiliary lock pin can be controlled only by the electromagnet, the electromagnet is controlled only by the controller and is hidden inside the electric meter box, the outside cannot be operated, the safety of the electric meter box is improved, and the electric meter box can be blocked without using a disposable lead seal or an external lockset.

Preferably, at least part of the secondary lock pins are straight lock pins, and the straight lock pins are inserted from one end of the lock hole close to the electromagnet;

and part of the auxiliary lock pins are clip lock pins which are inserted from one end of the lock hole far away from the electromagnet.

Adopt different insertion methods can avoid following the outside to the ammeter box lock picking, because the vice lockpin insertion methods that different locking device adopted are different, hardly confirm the insertion method of every vice lockpin under the prerequisite of not opening the ammeter box, improved the security.

Preferably, the locking device comprises a magnet seat, the auxiliary lock pin and the magnet are fixedly arranged on two sides of the magnet seat, the magnet is located on one side close to the electromagnet, and two ends of the spring are connected with the magnet seat and the box body. The magnet seat is used for connecting the magnet and providing a supporting point when applying elastic force to the spring.

Preferably, the spring connected with the straight-inserting lock pin is positioned on one side of the magnet seat close to the electromagnet.

Preferably, the spring connected with the clip lock pin is positioned on one side of the magnet seat away from the electromagnet.

Preferably, the magnets connected with the straight-inserting lock pin and the magnets connected with the square-shaped lock pin have opposite polarities. The magnets connected with the straight locking pins need to draw out the straight locking pins through the attraction force of the electromagnets, the magnets connected with the square locking pins need to push out the square locking pins through the repulsion force of the electromagnets, and the safety of the electric meter box is improved through different auxiliary locking pin movement modes.

Preferably, the box body is provided with a position sensor, and the main lock pin is provided with a detection block matched with the position sensor. The sensor is used for detecting whether the main lock pin is inserted in place.

Preferably, the system also comprises a two-dimensional code scanning module and a wireless communication module, wherein the two-dimensional code scanning module and the wireless communication module are both connected with the controller. The two-dimensional code scanning module is used for generating a two-dimensional code, the information of the electric meter box needing to be unlocked is transmitted through the scanning of the two-dimensional code, the unlocking instruction is transmitted through the wireless communication module, the remote control is realized through a wireless mode, and the opening time of the electric meter is convenient to record.

The electromagnetic locking ammeter locking control method uses the electromagnetic locking ammeter and comprises the following steps:

step a, an electric meter is provided with a two-dimension code scanning module, generates a two-dimension code, scans the two-dimension code of the electric meter by using a special terminal, and transmits electric meter information needing unlocking;

b, the remote control terminal confirms that the ammeter can be unlocked, controls the locking device through the wireless communication module, energizes the electromagnet, enables the locking device to act, and enables the auxiliary lock pin to be separated from the lock hole;

c, pulling the main lock pin to enable the main lock pin to be separated from the clamping state of the box cover, and opening the box cover;

and d, closing the box cover, inserting the main lock pin into the box cover, disconnecting the current of the electromagnet through the special terminal, inserting the auxiliary lock pin into the lock hole under the action of the elastic force of the spring, and locking the main lock pin.

Preferably, the number of the secondary lock pins is multiple, and the secondary lock pins comprise a part of straight lock pin and a part of square-shaped lock pin, the current direction of the electromagnet matched with the square-shaped lock pin is opposite to the current direction of the electromagnet matched with the straight lock pin.

The invention has the following beneficial effects:

1. the electric meter box is unlocked in an electromagnet mode, can be directly controlled in a remote mode, does not need lead sealing and an external lockset, and improves the safety of the electric meter box;

2. when the electromagnet is powered on, different auxiliary lock pins have different action modes, so that the difficulty of opening the electric meter box from the outside is increased;

3. through remote mode control, can be fast accurately control the circular telegram condition of electro-magnet, still be convenient for simultaneously record the opening time of ammeter box.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the locking device.

In the figure: the locking device comprises a main lock pin 1, a locking device 2, an electromagnet 3, a controller 4, a two-dimensional code scanning module 5, a wireless communication module 6, an interaction module 7, a power supply module 8, a lock hole 11, a handle 12, an auxiliary lock pin 21, a magnet 22, a spring 23, a magnet seat 24, a straight-insertion lock pin 25 and a square-shaped lock pin 26.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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 and fig. 2, the present embodiment provides an electromagnetic locking electric meter, which includes an electric meter box, a main lock pin 1, a locking device 2, and a control device, where the electric meter box includes a box body and a box cover, and the main lock pin 1, the locking device 2, and the control device are disposed in the box body; the main lock pin 1 is clamped with the box cover and is in sliding connection with the box body, and a plurality of lock holes 11 are formed in the main lock pin 1 along the length direction; the number of the locking devices 2 is the same as that of the lock holes 11, each locking device 2 comprises a magnet 22 and an auxiliary lock pin 21 which are fixedly connected, the auxiliary lock pins 21 are inserted into the lock holes 11, and the locking devices 2 are connected with the box cover through springs 23; the control device comprises an electromagnet 3 and a controller 4, the electromagnet 3 is matched with the locking device 2 in position, and the electromagnet 3 is connected with the controller 4.

At least part of the auxiliary lock pins 21 are straight lock pins 25, and the straight lock pins 25 are inserted from one end of the lock hole 11 close to the electromagnet 3; the other part of the secondary lock pin 21 is a clip lock pin 26, and the clip lock pin 26 is inserted from the end of the lock hole 11 away from the electromagnet 3. The locking device 2 comprises a magnet seat 24, the auxiliary locking pin 21 and the magnet 22 are fixedly arranged on two sides of the magnet seat 24, the magnet 22 is positioned on one side close to the electromagnet 3, and two ends of the spring 23 are connected with the magnet seat 24 and the box body. The spring 23 connected with the straight-inserting lock pin 25 is positioned on one side of the magnet seat 24 close to the electromagnet 3. The spring 23 connected with the clip 26 is positioned on the side of the magnet holder 24 away from the electromagnet 3. The magnets 22 connected with the straight-insertion lock pin 25 and the magnets 22 connected with the square-shaped lock pin 26 have opposite polarities.

The box body is provided with a position sensor, and the main lock pin 1 is provided with a detection block matched with the position sensor. Still include two-dimensional code scanning module 5, mutual module 7, power module 8 and wireless communication module 6, two-dimensional code scanning module 5, mutual module 7, power module 8 and wireless communication module 6 all connect controller 4, and power module 8 connects two-dimensional code scanning module 5, mutual module 7, wireless communication module 6, controller 4 and electro-magnet 3.

The electromagnetic locking ammeter locking control method uses the electromagnetic locking ammeter and comprises the following steps:

a, scanning a two-dimensional code of an electric meter by using a special terminal, and transmitting electric meter information needing unlocking;

b, the remote control terminal confirms that the ammeter can be unlocked, controls the locking device through the wireless communication module, energizes the electromagnet, enables the locking device to act, and enables the auxiliary lock pin to be separated from the lock hole;

c, pulling the main lock pin to enable the main lock pin to be separated from the clamping state of the box cover, and opening the box cover;

and d, closing the box cover, inserting the main lock pin into the box cover, disconnecting the current of the electromagnet through the special terminal, inserting the auxiliary lock pin into the lock hole under the action of the elastic force of the spring, and locking the main lock pin.

The current direction of the electromagnet matched with the square lock pin is opposite to that of the electromagnet matched with the straight lock pin.

The principle of the invention is as follows:

in the locked state of the electric meter box, the electromagnet 3 is not electrified, and the auxiliary lock pins 21 are all inserted into the lock holes 11 of the main lock pin 1 under the action of the springs 23, so that the main lock pin 1 is locked. When the box cover needs to be opened, the special terminal is used for scanning the two-dimensional code and sending a request for opening the box cover to the remote server, the remote server controls the electromagnet 3 to be electrified through the wireless communication module 6, the auxiliary lock pin 21 is opened, and the unlocking of the main lock pin 1 is achieved. After unlocking is completed, an operator pulls the handle 12 of the main lock pin 1 to unlock the box cover. When the box cover is closed, whether the main lock pin 1 is inserted in place or not can be detected through the position sensor, and then the ammeter box can be placed in a locking state by powering off the electromagnet 3.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.