CN112012586A - Electromagnetic lock control system and method suitable for electric meter - Google Patents
Electromagnetic lock control system and method suitable for electric meter Download PDFInfo
- Publication number
- CN112012586A CN112012586A CN202010923643.9A CN202010923643A CN112012586A CN 112012586 A CN112012586 A CN 112012586A CN 202010923643 A CN202010923643 A CN 202010923643A CN 112012586 A CN112012586 A CN 112012586A
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- China
- Prior art keywords
- electromagnetic lock
- electric meter
- master station
- client
- lock catch
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0089—Locks or fastenings for special use for utility meters or the like
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
- E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
- E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an electromagnetic lock control system and method suitable for an electric meter, relates to the field of electric meter lock structures, and solves the problem that workers are possibly dangerous due to the fact that the electric meter is loaded when being replaced. The invention comprises an electromagnetic lock catch (2) arranged between an electric meter (1) and a base (3), and also comprises a master station and a client; the electromagnetic lock catch (2) is controlled by the master station and the client to lock the relative position of the electric meter (1) and the base (3), and the electric meter (1) is used for controlling the on-off of the electromagnetic lock catch (2). The invention solves the problems of no load operation of the ammeter and no electric shock hazard in the hot plug process.
Description
Technical Field
The invention relates to the field of ammeter lock structures, in particular to an electromagnetic lock control system and method suitable for an ammeter.
Background
The original method is probably a loaded process when the electric meter is replaced, and certain danger is brought.
In order to match with the danger caused by the hot plug function when the electric meter is replaced, authorized management and trace management are required to be simultaneously carried out on the installation and the disassembly of the electric meter, meanwhile, data acquisition is carried out when the intelligent electric meter is required to be replaced, and equipment is filed and carried out in a standardized way;
and the original electric meter is not matched with the real-time operation and system process of the problem, and the danger is brought to workers by replacing the electric meter in the original mode.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides an electromagnetic lock control system and method suitable for an electric meter, which solve the problems that the process of load is possible when the electric meter is replaced, and certain danger is brought.
The invention is realized by the following technical scheme:
an electromagnetic lock control system suitable for an electric meter comprises an electromagnetic lock catch arranged between the electric meter and a base, a master station and a client;
the electromagnetic lock catch is controlled by the master station and the client side to lock the relative position of the electric meter and the base.
Further, the client side is connected with the master station, the electric meter is connected with the master station, and the electric meter is used for controlling the on-off of the electromagnetic lock catch.
Further, the client sends a client control command to the master station, the master station records the client control command and forwards the master station control command to the ammeter, the ammeter controls the power on and power off of the electromagnetic lock catch according to the master station control command, and the master station control command is generated by the master station according to the client control command.
Furthermore, the outer side surface of the electric meter is provided with a mounting hole, the electromagnetic lock catch is arranged at the position of the mounting hole, and a fixing hole is formed in the position, matched with the mounting hole, of the inner side surface of the base;
the electromagnetic lock catch is used for limiting the relative position of the mounting hole and the fixing hole, and the electromagnetic lock catch is embedded into the fixing hole.
Further, the electromagnetic latch comprises two working states:
the first working state is an unlocking state of the electromagnetic lock catch, the electromagnetic lock catch is arranged in the base, and the base and the ammeter are of independent monomer structures;
the second working state is the locking state of the electromagnetic lock catch, the electromagnetic lock catch is connected between the base and the ammeter, and the relative position of the electromagnetic lock catch limiting base and the ammeter is arranged.
Further, the electromagnetic lock catch comprises a spring, a steel needle and a coil;
the spring and the coil are arranged in the mounting hole;
the coil is used for attracting the spring, the coil is also used for attracting the steel needle, and the spring is used for supporting the steel needle;
the position of the steel needle is limited by the mounting hole, the spring is also used for driving the steel needle, and the coil is also used for driving the steel needle and the spring;
the transmission direction of the spring and the steel needle is limited by the mounting hole, and the mounting hole limits the non-axial transmission direction of the spring and the steel needle;
the steel needle is also used for being embedded into the fixing hole;
the fixing hole is also used for limiting the steel needle.
Further, when the electromagnetic lock catch is in the first working state, the coil is in a power-on state, the spring is in a compression state, and the steel needle is positioned in the channel of the mounting hole;
when the electromagnetic lock catch is in the second working state, the coil is in a power-off state in the locking state of the electromagnetic lock catch, and the steel needle is positioned in the mounting hole, the fixing hole and a gap between the mounting hole and the fixing hole.
Based on the electromagnetic lock control system suitable for the electric meter, the control method for realizing the electromagnetic lock comprises the following steps:
s1, the client sends a client control command to the master station;
s2, the master station records the client control command and forwards the master station control command to the electric meter;
and S3, controlling the on-off of the electromagnetic lock catch by the electric meter according to the master station control command.
Further, in S2, two cases are included, the master station determines whether to authorize the client control command,
the master station executes S2.1 when authorizing the control command of the client;
s2.1, the master station records an authorized client control command, forwards the client control command to the electric meter, and executes S3, and simultaneously, when the master station authorizes, the electric meter also executes internal switch power-off, and the electric meter is operated without load after power-off;
the master station executes S2.2 when refusing the control command of the authorized client;
s2.2, the master station records that the authorization of the client control command is refused to forward an alarm command to the ammeter and the client, and executes S3.1;
and S3.1, the ammeter executes an alarm command, and the client side has insufficient display permission.
The method comprises the steps that a client side generates a command according to the number of the electric meters, a master station conducts data communication on the electric meters, the command transmitted in the data communication process is encrypted corresponding to the number of the electric meters, the corresponding electric meters decrypt the transmitted command and execute the command to control the electromagnetic lock catches of the corresponding electric meters, and the master station records the authorization judgment condition of the command generated by the client side according to the number of the electric meters loaded in the transmitted command.
Furthermore, the electric meter also comprises a plurality of mounting holes arranged on the outer side surface of the electric meter and a plurality of fixing holes corresponding to the positions of the base;
further, the master station sends an ammeter power-off control command, the ammeter controls the electromagnetic lock catch to be powered off, the electromagnetic lock catch is in a power-off state, no electricity passes through the coil driven by the electromagnet, the steel needle on the side surface of the ammeter is in an extending state, and the relative position relation between the ammeter and the base is locked and limited;
furthermore, the master station sends an ammeter conduction control command, the ammeter controls the conduction of the electromagnetic lock, the electromagnetic lock is in a conduction state, electric energy passes through the coil driven by electromagnetism, the coil generates magnetism to attract the spring and the steel needle, the spring contracts, the steel needle is retracted into the mounting hole of the ammeter, and the moment finally generated by magnetic force enables the spring and the steel needle to displace towards the mounting hole, namely the displacement directions of the spring and the steel needle are both the axial directions of the spring and the steel needle, and the spring and the steel needle are simultaneously far away from the base;
further, the electric meter has a unique identification number in the system, and the process of electric meter authorization can be as follows:
the electric meter is provided with the bar code, the mobile phone scans the bar code on the electric meter through the client to obtain a corresponding serial number, the client sends an instruction to communicate with the master station, authorization of electric meter access and removal can be obtained, the authorization control command of electric meter access and removal is an electromagnetic lock catch conduction control command, the master station records all communication records, the electric meter comprises an electric energy meter, and particularly, in the process of electric meter authorization and removal, the electric meter does not carry a load, and the electric meter can be pulled out in a no-load mode.
The invention has the following advantages and beneficial effects:
the invention carries out authorized management and trace management on the installation and the disassembly of the electric meter, provides reliable and automatic data recording and authority control, and avoids the accident of misoperation of workers.
The invention solves the problems of no load operation of the ammeter and no electric shock hazard in the hot plug process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a partial structural schematic diagram of the present invention.
Reference numbers and corresponding part names in the drawings:
1. an electricity meter; 2. electromagnetic locking; 21. a coil; 22. a spring; 23. a steel needle; 3. a base.
Detailed Description
Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive changes, are within the scope of the present invention.
An electromagnetic lock control system suitable for an electric meter, as shown in fig. 1-3, comprises an electromagnetic lock catch 2 arranged between an electric meter 1 and a base 3, a master station and a client;
the electromagnetic lock catch 2 is controlled by the master station and the client to lock the relative position of the electric meter 1 and the base 3.
Further, the client side is connected with the master station, the electric meter 1 is connected with the master station, and the electric meter 1 is used for controlling the on-off of the electromagnetic lock catch 2.
Further, the client sends a client control command to the master station, the master station records the client control command and forwards the master station control command to the electric meter 1, the electric meter 1 controls the electromagnetic lock catch 2 to be powered on or powered off according to the master station control command, and the master station control command is generated by the master station according to the client control command.
Furthermore, the outer side surface of the electric meter 1 is provided with a mounting hole, the electromagnetic lock catch 2 is arranged at the position of the mounting hole, and a fixing hole is arranged at the position, matched with the mounting hole, of the inner side surface of the base 3;
the electromagnetic lock catch 2 is used for limiting the relative position of the mounting hole and the fixing hole, and the electromagnetic lock catch 2 is embedded into the fixing hole.
Further, the electromagnetic latch 2 includes two working states:
the first working state is an unlocking state of the electromagnetic lock catch 2, the electromagnetic lock catch 2 is the electromagnetic lock catch 2 arranged in the base 3, and the base 3 and the ammeter 1 are of independent single structures;
the second operating condition, the shutting state of electromagnetic lock catch 2, electromagnetic lock catch 2 are connected in the electromagnetic lock catch 2 between base 3 and ammeter 1, the relative position of 2 spacing bases 3 of electromagnetic lock catch and ammeter 1.
Further, the electromagnetic latch 2 comprises a spring 22, a steel needle 23 and a coil 21;
the spring 22 and the coil 21 are arranged in the mounting hole;
the coil 21 is used for attracting the spring 22, the coil 21 is also used for attracting the steel needle 23, and the spring 22 is used for supporting the steel needle 23;
the position of the steel needle 23 is limited by the mounting hole, the spring 22 is also used for driving the steel needle 23, and the coil 21 is also used for driving the steel needle 23 and the spring 22;
the transmission directions of the spring 22 and the steel needle 23 are limited by the mounting hole, and the mounting hole limits the non-axial transmission directions of the spring 22 and the steel needle 23;
the steel needle 23 is also used for being embedded into the fixing hole;
the fixing hole is also used for limiting the steel needle 23.
Further, when the electromagnetic lock catch 2 is in the first working state, the electromagnetic lock catch 2 is in the unlocking state, the coil 21 is in the energized state, the spring 22 is in the compressed state, and the steel needle 23 is located in the channel of the mounting hole;
when the electromagnetic lock catch 2 is in the second working state, the coil 21 is in the power-off state due to the locking state of the electromagnetic lock catch 2, and the steel needle 23 is located in the mounting hole, the fixing hole and the gap between the mounting hole and the fixing hole.
Based on the electromagnetic lock control system suitable for the electric meter 1, the control method for realizing the electromagnetic lock comprises the following steps:
s1, the client sends a client control command to the master station;
s2, the master station records the client control command and forwards the master station control command to the ammeter 1;
and S3, controlling the on-off of the electromagnetic lock catch 2 by the electric meter 1 according to the master station control command.
Further, in S2, two cases are included, the master station determines whether to authorize the client control command,
the master station executes S2.1 when authorizing the control command of the client;
s2.1, the master station records an authorized client control command, forwards the client control command to the electric meter 1, and executes S3, and meanwhile, when the master station authorizes, the electric meter 1 also executes internal switch power-off, and the electric meter 1 is operated without load after power-off;
the master station executes S2.2 when refusing the control command of the authorized client;
s2.2, the master station records that the authorization of the client control command is refused to forward an alarm command to the ammeter 1 and the client, and executes S3.1;
and S3.1, the ammeter 1 executes an alarm command, and the client side has insufficient display permission.
Further, the system comprises a master station for data communication of the plurality of electric meters 1, wherein the transmitted commands are encrypted corresponding to the electric meter numbers in the data communication process, the transmitted commands are decrypted corresponding to the electric meters 1 and the commands are executed to control the electromagnetic lock catches 2 corresponding to the electric meters 1, and the master station records the authorization judgment condition of the command generated by the client according to the electric meter numbers loaded in the transmitted commands.
Furthermore, the electric meter also comprises a plurality of mounting holes arranged on the outer side surface of the electric meter 1 and a plurality of fixing holes corresponding to the positions of the base 3;
further, the master station sends a power-off control command of the ammeter 1, the ammeter 1 controls the electromagnetic lock catch 2 to be powered off, the electromagnetic lock catch 2 is in a power-off state, no electricity passes through the coil 21 driven by electromagnetism, the steel needle 23 on the side surface of the ammeter 1 is in an extending state, and the relative position relation between the ammeter 1 and the base 3 is locked and limited;
further, the master station sends an electricity meter 1 conduction control command, the electricity meter 1 controls the conduction of the electromagnetic lock, the electromagnetic lock catch 2 is in a conduction state, electric energy passes through the coil 21 driven by electromagnetism, the coil 21 generates magnetism electrically, the spring 22 and the steel needle 23 are attracted, the spring 22 contracts, the steel needle 23 is collected into the mounting hole of the electricity meter 1, and the moment generated by the magnetic force finally enables the spring 22 and the steel needle 23 to displace towards the mounting hole, namely the displacement directions of the spring 22 and the steel needle 23 are both axial directions of the spring 22 and the steel needle 23, and the spring 22 and the steel needle 23 are far away from the base 3;
further, the electricity meter 1 has a uniquely identified number in the system, and the process of authorizing the electricity meter 1 may be:
there is the bar code on ammeter 1, the cell-phone obtains corresponding serial number through the bar code on the client scanning ammeter 1, send instruction and main website communication on the client, can acquire the authorization that ammeter 1 inserts and demolishs, the authorization control command that ammeter 1 inserts and demolishs is 2 conduction control commands of electromagnetism hasp, all communication records of main website record, ammeter 1 includes the electric energy meter, specially, the in-process that ammeter 1 authorized to demolishs is carried out to this kind of mode, ammeter 1 does not carry load, realize no load and pull out ammeter 1.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An electromagnetic lock control system suitable for an electric meter is characterized by comprising an electromagnetic lock catch (2) arranged between the electric meter (1) and a base (3), a master station and a client;
the electromagnetic lock catch (2) is controlled by the master station and the client to lock the relative position of the electric meter (1) and the base (3).
2. The electromagnetic lock control system applicable to the electric meter according to claim 1, characterized in that the client is connected with the master station, the electric meter (1) is connected with the master station, and the electric meter (1) is used for controlling the on/off of the electromagnetic lock (2).
3. The electromagnetic lock control system applicable to the electric meter according to claim 2, wherein the client sends a client control command to the master station, the master station records the client control command and forwards a master station control command to the electric meter (1), the electric meter (1) controls the electromagnetic lock (2) to be powered on or powered off according to the master station control command, and the master station control command is a master station control command generated by the master station according to the client control command.
4. The electromagnetic lock control system suitable for the electric meter according to claim 1 is characterized in that a mounting hole is formed in the outer side surface of the electric meter (1), the electromagnetic lock catch (2) is arranged at the position of the mounting hole, and a fixing hole is formed in the position, matched with the mounting hole, of the inner side surface of the base (3);
the electromagnetic lock catch (2) is used for limiting the relative position of the mounting hole and the fixing hole, and the electromagnetic lock catch (2) is embedded into the fixing hole.
5. An electromagnetic lock control system for electric meters, according to claim 4, characterized in that said electromagnetic lock (2) comprises two operating states:
the first working state is the unlocking state of the electromagnetic lock catch (2), the electromagnetic lock catch (2) is the electromagnetic lock catch (2) arranged inside the base (3), and the base (3) and the ammeter (1) are of independent single structures;
the second working state is the locking state of the electromagnetic lock catch (2), the electromagnetic lock catch (2) is connected with the electromagnetic lock catch (2) between the base (3) and the electric meter (1), and the electromagnetic lock catch (2) limits the relative position of the base (3) and the electric meter (1).
6. The electromagnetic locking and control system for electric meters according to claim 5, characterized in that said electromagnetic lock (2) comprises a spring (22), a steel pin (23) and a coil (21);
the spring (22) and the coil (21) are arranged in the mounting hole;
the coil (21) is used for attracting the spring (22), the coil (21) is also used for attracting the steel needle (23), and the spring (22) is used for supporting the steel needle (23);
the position of the steel needle (23) is limited by the mounting hole, the spring (22) is also used for driving the steel needle (23), and the coil (21) is also used for driving the steel needle (23) and the spring (22);
the transmission directions of the spring (22) and the steel needle (23) are limited by the mounting hole, and the mounting hole limits the non-axial transmission directions of the spring (22) and the steel needle (23);
the steel needle (23) is also used for being embedded into the fixing hole;
the fixing hole is also used for limiting the steel needle (23).
7. The electromagnetic lock control system for an electric meter according to claim 6, wherein:
when the electromagnetic lock catch (2) is in a first working state, the electromagnetic lock catch (2) is in an unlocking state, the coil (21) is in a power-on state, the spring (22) is in a compression state, and the steel needle (23) is positioned in a channel of the mounting hole;
when the electromagnetic lock catch (2) is in the second working state, the electromagnetic lock catch (2) is in a locking state, the coil (21) is in a power-off state, and the steel needle (23) is positioned in the mounting hole, the fixing hole and a gap between the mounting hole and the fixing hole.
8. An electromagnetic lock control method suitable for an electric meter, which is characterized in that based on the electromagnetic lock control system suitable for the electric meter of any one of claims 1 to 7, the control method for realizing the electromagnetic lock comprises the following steps:
s1, the client sends a client control command to the master station;
s2, the master station records the client control command and forwards the master station control command to the electric meter (1);
s3, the electric meter (1) controls the electromagnetic lock catch (2) to be powered on or powered off according to the main station control command.
9. The electromagnetic lock-control method for electricity meters of claim 8, wherein in S2, including two cases, the master station determines whether to authorize the client control command,
the master station executes S2.1 when authorizing the control command of the client;
s2.1, the master station records an authorized client control command, forwards the client control command to the electric meter (1), and executes S3, and meanwhile, when the master station authorizes, the electric meter (1) also executes internal switch power-off;
the master station executes S2.2 when refusing the control command of the authorized client;
s2.2, the master station records that the authorization of the client control command is refused to forward an alarm command to the ammeter (1) and the client, and executes S3.1;
s3.1, the ammeter (1) executes an alarm command, and the client side has insufficient display permission.
10. The electromagnetic lock control method suitable for the electric meters as claimed in claim 8, further comprising a master station performing data communication on the plurality of electric meters (1), wherein during the data communication, the transmitted command is encrypted according to the electric meter number, the corresponding electric meter (1) decrypts the transmitted command and executes the command to control the electromagnetic lock (2) of the corresponding electric meter (1), and the master station records the authorization judgment condition of the client-generated command according to the electric meter number loaded in the transmitted command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923643.9A CN112012586A (en) | 2020-09-04 | 2020-09-04 | Electromagnetic lock control system and method suitable for electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923643.9A CN112012586A (en) | 2020-09-04 | 2020-09-04 | Electromagnetic lock control system and method suitable for electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112012586A true CN112012586A (en) | 2020-12-01 |
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ID=73515916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010923643.9A Pending CN112012586A (en) | 2020-09-04 | 2020-09-04 | Electromagnetic lock control system and method suitable for electric meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN112012586A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470478A (en) * | 1990-07-11 | 1992-03-05 | Toshiba Corp | Supervisory device for electric room door |
| CN104835225A (en) * | 2015-04-30 | 2015-08-12 | 江门市大光明电力设备厂有限公司 | Wireless intelligent lock system used in electric metering box |
| CN204666681U (en) * | 2015-04-30 | 2015-09-23 | 国家电网公司 | A kind of ammeter box of remote control locking |
| CN106018902A (en) * | 2016-05-16 | 2016-10-12 | 怀化建南机器厂有限公司 | Intelligent meter with quick-replaceable and high-insulation wiring device |
| CN207212032U (en) * | 2017-09-08 | 2018-04-10 | 福建泰坤电子有限公司 | Novel intelligent gate lock for cabinet device |
| CN109872420A (en) * | 2018-12-26 | 2019-06-11 | 国网浙江建德市供电有限公司 | A kind of intelligent lock control system and control method for power domain |
| CN210690666U (en) * | 2019-09-12 | 2020-06-05 | 国网江苏省电力有限公司宿迁供电分公司 | Remote locking and alarming device for electric energy metering cabinet |
-
2020
- 2020-09-04 CN CN202010923643.9A patent/CN112012586A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470478A (en) * | 1990-07-11 | 1992-03-05 | Toshiba Corp | Supervisory device for electric room door |
| CN104835225A (en) * | 2015-04-30 | 2015-08-12 | 江门市大光明电力设备厂有限公司 | Wireless intelligent lock system used in electric metering box |
| CN204666681U (en) * | 2015-04-30 | 2015-09-23 | 国家电网公司 | A kind of ammeter box of remote control locking |
| CN106018902A (en) * | 2016-05-16 | 2016-10-12 | 怀化建南机器厂有限公司 | Intelligent meter with quick-replaceable and high-insulation wiring device |
| CN207212032U (en) * | 2017-09-08 | 2018-04-10 | 福建泰坤电子有限公司 | Novel intelligent gate lock for cabinet device |
| CN109872420A (en) * | 2018-12-26 | 2019-06-11 | 国网浙江建德市供电有限公司 | A kind of intelligent lock control system and control method for power domain |
| CN210690666U (en) * | 2019-09-12 | 2020-06-05 | 国网江苏省电力有限公司宿迁供电分公司 | Remote locking and alarming device for electric energy metering cabinet |
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