CN112798835A - Uninterrupted meter replacing device - Google Patents
Uninterrupted meter replacing device Download PDFInfo
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- CN112798835A CN112798835A CN202011589744.3A CN202011589744A CN112798835A CN 112798835 A CN112798835 A CN 112798835A CN 202011589744 A CN202011589744 A CN 202011589744A CN 112798835 A CN112798835 A CN 112798835A
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052802 copper Inorganic materials 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 37
- 230000002159 abnormal effect Effects 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013475 authorization Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a device for changing a meter without power outage, which comprises a wiring terminal box, wherein an incoming line terminal, a first outgoing line terminal, a second outgoing line terminal and a switching copper sheet are arranged in the wiring terminal box; the incoming line terminal is connected with a live line incoming line, the first outgoing line terminal is connected with an electric meter incoming line terminal, the electric meter outgoing line terminal is connected with a second outgoing line terminal, and the second outgoing line terminal is connected with a user side air switch; one end of the switching copper sheet is fixedly connected with the incoming line terminal, and the other end of the switching copper sheet switches the connection position between the first outgoing line terminal and the second outgoing line terminal. When the ammeter needs to be replaced, the other end of the switching copper sheet rotates to the second wire outlet terminal from the first wire outlet terminal, so that no current is input from the wire inlet end of the ammeter when the ammeter is replaced, and the user side supplies power continuously without being affected. The invention has simple structure, convenient use and safe operation.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a meter replacing device without power outage.
Background
At present, most residential districts newly thrown into the home adopt a meter-assembling form of a container meter box to meter to the home. The collection packing table case dress wiring dress table mode of current use, just can change the ammeter after need to have a power failure, have following drawback: 1. the electricity utilization client cannot be timely contacted: the client changes the contact information but does not inform the power supply enterprise, and the client causes and staff cannot contact the power supply enterprise and inform the client of the power failure and the electricity meter replacement in time; 2. the power failure causes the damage of the customer electric equipment: once the household of the electricity consumer has uninterrupted electricity utilization equipment all day long, such as continuous oxygen supply tropical fish equipment, medical nursing equipment for old people and patients, refrigerators without protection devices and the like, the household is damaged due to power failure; 3. the method relates to the work of replacing the electric meters in batches by a power grid marketing technical improvement project, and the condition that a customer has power failure and meter replacement is not timely notified due to manual omission due to overlarge workload; 4. because the client equipment is damaged due to the fact that the notification is not in place or power failure occurs, the client complains the power supply department, and the enterprise benefit image is damaged; 5. the work form of changing the ammeter is live working, has certain personal safety risk.
Chinese patent CN111308145A, published in 19 th 6.2020, provides an uninterruptible meter change auxiliary power supply box with error correction protection function, which comprises a detection main control module and a line breaker, wherein a user meter box is connected to an input end of a line control breaker through an incoming cable, and is connected to an output end of the line control breaker through an outgoing cable, each phase circuit connected to the input end of the line control breaker is provided with a current transformer, the three current transformers are connected to a current transformer interface of the detection main control module, each phase connected to the input end of the line control breaker is respectively connected to an incoming voltage interface of the detection main control module, the line control breaker is connected to a breaker control interface of the detection main control module, and each phase connected to the output end of the line control breaker is respectively connected to an outgoing voltage interface of the detection; and all the phases in front of the outgoing switch of the user meter box are connected into an ammeter voltage interface of the detection main control module through detection cables. The invention can ensure continuous power supply at the user during the table changing period, but has complex structure and inconvenient use.
Disclosure of Invention
The invention provides a meter replacing device without power outage, aiming at overcoming the defects that the existing meter replacing device without power outage is complex in structure and inconvenient to use.
The technical scheme of the invention is as follows:
the invention provides a device for changing a meter without power outage, which comprises a wiring terminal box, wherein an incoming line terminal, a first outgoing line terminal, a second outgoing line terminal and a switching copper sheet are arranged in the wiring terminal box;
the incoming line terminal is connected with a live line incoming line, the first outgoing line terminal is connected with an electric meter incoming line terminal, the electric meter outgoing line terminal is connected with a second outgoing line terminal, and the second outgoing line terminal is connected with a user side air switch;
one end of the switching copper sheet is fixedly connected with the incoming line terminal, and the other end of the switching copper sheet switches the connection position between the first outgoing line terminal and the second outgoing line terminal.
During daily operation, the switching copper sheet is connected with the incoming line terminal and the first outgoing line terminal, and live line current flows to the user side switch through the incoming line terminal, the switching copper sheet, the first outgoing line terminal, the electric meter incoming line terminal, the electric meter outgoing line terminal and the second outgoing line terminal; when the ammeter needs to be replaced, a worker rotates the other end of the switching copper sheet from the first wire outlet terminal to the second wire outlet terminal, live wire current flows to the user side switch through the wire inlet terminal, the switching copper sheet and the second wire outlet terminal, the wire inlet terminal of the ammeter does not have current input at the moment and is replaced, and electricity consumption of a user is not influenced; after the ammeter is replaced, the other end of the switching copper sheet is rotated to the first wire outlet terminal from the second wire outlet terminal by a worker, and the replaced ammeter is connected into the circuit to recover the metering function.
Preferably, the device further comprises a key switch;
the key switch is arranged on the surface of the wiring terminal box, and the other end of the switching copper sheet is driven to switch between the first wire outlet terminal and the second wire outlet terminal by rotating the key switch.
Preferably, the apparatus further comprises a load switch;
the load switch is arranged between the second wire outlet terminal and the user side switch and used for avoiding the damage of electric equipment caused by peak current generated when the copper sheet is switched to be temporarily connected with the wire inlet terminal and the second wire outlet terminal.
Preferably, the device further comprises a first sensor and an alarm module;
the first sensor is connected with the alarm module and used for monitoring abnormal rotation information of the key switch; when the key switch is forcibly rotated or damaged by tools except the matched key, the abnormal rotation information is transmitted to the alarm module by the first sensor, and the alarm module is started after receiving the abnormal rotation information to perform sound-light alarm.
Preferably, the device further comprises a key switch status indicator;
the key switch state indicator is arranged between the first wire outlet terminal and the electric meter wire inlet terminal and used for indicating the current state of the key switch.
Preferably, the device still includes the container body, key switch, wiring terminal box, load switch, first sensor, alarm module and key switch state indicator all set up in the container body.
Preferably, the container body surface is provided with a mechanical key hole, and a worker inserts a special key into the mechanical key hole to open the container body.
Preferably, the surface of the container body is also provided with a fingerprint identification module, and a worker can open the container body through fingerprint identification by the fingerprint identification module;
the fingerprint identification module is connected with the alarm module, when the continuous times of the fingerprint identification module for failing to pass the fingerprint identification exceed the set times, the abnormal identification information is transmitted to the alarm module, and the alarm module is started after receiving the abnormal identification information to perform sound and light alarm.
Preferably, the surface of the container body is further provided with a second sensor for monitoring abnormal vibration information of the container body;
the second sensor is connected with the alarm module and transmits the abnormal vibration information to the alarm module, and the alarm module is started after receiving the abnormal vibration information to perform sound-light alarm.
Preferably, the device still includes communication module, communication module sets up in the container body, is connected with alarm module, alarm module starts the back, sends alarm information to communication module, and communication module will alarm information sends to external management system
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
according to the invention, the input of no current at the inlet wire end of the ammeter can be realized when the ammeter is replaced, and the user side supplies power continuously without being influenced by connecting the wiring terminal box between the live wire inlet wire and the ammeter and rotating the other end of the switching copper sheet from the first outlet terminal to the second outlet terminal. The invention has simple structure, convenient use and safe operation.
Drawings
FIG. 1 is a block diagram of a non-stop meter change apparatus according to embodiment 1;
FIG. 2 is a wiring diagram of a non-stop meter change apparatus according to embodiment 1;
fig. 3 is a structural view of a container body according to embodiment 2;
FIG. 4 is a wiring diagram of a non-stop meter change apparatus according to embodiment 2;
FIG. 5 is a signal flow diagram of a device for changing tables without power failure according to embodiment 2;
in the figure: the key switch comprises a key switch 1, a wiring terminal box 2, a wiring terminal 2.1, a first wire outlet terminal 2.2, a second wire outlet terminal 2.3, a switching copper sheet 2.4, a load switch 3, a first sensor 4, an alarm module 5, a key switch state indicator 6, a container body 7, a mechanical key hole 8, a fingerprint identification module 9, a second sensor 10 and a communication module 11.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides a meter changing device without power outage, as shown in fig. 1, the device includes a connection terminal box 2, an incoming line terminal 2.1, a first outgoing line terminal 2.2, a second outgoing line terminal 2.3 and a switching copper sheet 2.4 are arranged in the connection terminal box 2;
the incoming line terminal 2.1 is connected with a live line incoming line, the first outgoing line terminal 2.2 is connected with an incoming line terminal of an ammeter, an outgoing line terminal of the ammeter is connected with the second outgoing line terminal 2.3, and the second outgoing line terminal 2.3 is also connected with a user side air switch;
one end of the switching copper sheet 2.4 is fixedly connected with the incoming line terminal 2.1, and the other end of the switching copper sheet 2.4 switches the connection position between the first outgoing line terminal 2.2 and the second outgoing line terminal 2.3.
During daily operation, the switching copper sheet 2.4 is connected with the incoming line terminal 2.1 and the first outgoing line terminal 2.2, and live line current flows to the user side switch through the incoming line terminal 2.1, the switching copper sheet 2.4, the first outgoing line terminal 2.2, the incoming line terminal of the ammeter, the outgoing line terminal of the ammeter and the second outgoing line terminal 2.3; when the ammeter needs to be replaced, a worker rotates the other end of the switching copper sheet 2.4 from the first wire outlet terminal 2.2 to the second wire outlet terminal 2.3, live wire current flows to a user side switch through the wire inlet terminal 2.1, the switching copper sheet 2.4 and the second wire outlet terminal 2.3, no current is input at the wire inlet end of the ammeter at the moment, the ammeter is replaced, and electricity consumption of a user is not influenced; after the ammeter is replaced, the other end of the switching copper sheet 2.4 is rotated to the first wire outlet terminal 2.2 from the second wire outlet terminal 2.3 by a worker, and the replaced ammeter is connected to the circuit to recover the metering function.
Example 2
The embodiment provides a meter changing device without power outage, as shown in fig. 2, the device includes a connection terminal box 2, an incoming line terminal 2.1, a first outgoing line terminal 2.2, a second outgoing line terminal 2.3 and a switching copper sheet 2.4 are arranged in the connection terminal box 2;
the incoming line terminal 2.1 is connected with a live line incoming line, the first outgoing line terminal 2.2 is connected with an incoming line terminal of an ammeter, an outgoing line terminal of the ammeter is connected with the second outgoing line terminal 2.3, and the second outgoing line terminal 2.3 is also connected with a user side air switch;
one end of the switching copper sheet 2.4 is fixedly connected with the incoming line terminal 2.1, and the other end of the switching copper sheet 2.4 switches the connection position between the first outgoing line terminal 2.2 and the second outgoing line terminal 2.3.
As shown in fig. 3, the apparatus further includes a key switch 1;
the key switch 1 is arranged on the surface of the wiring terminal box 2, and the other end of the switching copper sheet 2.4 is driven to switch between the first wire outlet terminal 2.2 and the second wire outlet terminal 2.3 by rotating the key switch 1.
The device further comprises a load switch 3
The load switch 3 is arranged between the second wire outlet terminal 2.3 and the user side switch and used for avoiding that peak current generated when the copper sheet 2.4 is switched to be temporarily connected with the wire inlet terminal 2.1 and the second wire outlet terminal 2.3 damages electric equipment and safety risk is generated.
The device also includes a key switch status indicator 6;
the key switch state indicator 6 is arranged between the first wire outlet terminal 2.2 and the inlet wire end of the electric meter and used for indicating the current state of the key switch 1. When the key switch 1 controls the switching copper sheet 2.4 to communicate the incoming line terminal 2.1 and the first outgoing line terminal 2.2, the key switch state indicator 6 is lightened; when the key switch 1 controls the switching copper sheet 2.4 to communicate the incoming line terminal 2.1 and the second outgoing line terminal 2.3, the key switch status indicator 6 is turned off.
As shown in fig. 5, the apparatus further comprises a first sensor 4 and an alarm module 5;
the first sensor 4 is connected with the alarm module 5 and used for monitoring abnormal rotation information of the key switch 1; when the key switch 1 is forcibly rotated or damaged by a tool other than a matched key, the abnormal rotation information is transmitted to the alarm module 5 by the first sensor 4, and the alarm module 5 is started after receiving the abnormal rotation information to perform sound and light alarm.
As shown in fig. 4, the device further comprises a container body 7, wherein the key switch 1, the connection terminal box 2, the load switch 3, the first sensor 4, the alarm module 5 and the key switch status indicator 6 are all arranged in the container body 7 and are used for preventing a user from stealing electricity.
The surface of the container body 7 is provided with a mechanical key hole 8, and a worker inserts a special key into the mechanical key hole 8 to open the container body 7.
The surface of the container body 7 is also provided with a fingerprint identification module 9, and a worker can open the container body 7 by performing fingerprint identification through the fingerprint identification module 9;
as shown in fig. 5, the fingerprint identification module 9 is connected to the alarm module 5, and when the number of consecutive times that the fingerprint identification module 9 does not pass the fingerprint identification exceeds the set number of times, the abnormal identification information is transmitted to the alarm module 5; and the alarm module 5 is started after receiving the abnormal identification information to perform sound-light alarm. In this embodiment, the set number of times is 3.
The surface 7 of the container body is also provided with a second sensor 10 for monitoring abnormal vibration information of the container body 7;
the second sensor is connected with 10 the alarm module 5 and transmits the abnormal vibration information to the alarm module 5, and the alarm module 5 is started after receiving the abnormal vibration information to perform sound-light alarm.
The device still includes communication module 11, communication module 11 sets up in container body 7, is connected with alarm module 5, alarm module 5 starts the back, sends alarm information to communication module 11, and communication module 11 will alarm information sends external management system.
In the actual operation process, a worker firstly obtains authorization, goes to a working place in a working plan period, presses the fingerprint identification module 9 with a finger, and automatically opens the container body 7 after confirmation is obtained; if the fingerprint identification module 9 is damaged or fails, a special key can be inserted into the mechanical key hole 8, and the container body 7 is manually opened; if the fingerprint identification module 9 can not identify the fingerprint for 3 times continuously, the worker contacts the manager to remotely remove the audible and visual alarm of the alarm module 5, and continues to verify after re-authorization;
after confirming the ammeter to be replaced, a worker checks and confirms whether the key switch state indicator 6 is in a light-up state, then rotates the key switch 1 to drive the other end of the switching copper sheet 2.4 to rotate from the first wire outlet terminal 2.2 to the second wire outlet terminal 2.3, confirms whether the key switch state indicator 6 is extinguished, tests electricity at the wire inlet end of the ammeter to be replaced by using a low-voltage electricity testing pen, and performs meter replacement work after confirming that the ammeter is uncharged; after the ammeter is replaced, a worker rotates the key switch 1 to the original position to confirm whether the key switch state indicator 6 is lighted or not, then the low-voltage electroscope is used for confirming whether the inlet wire end of the replaced ammeter is electrified or not, and after the replaced ammeter normally operates, the ammeter replacing operation is finished.
This embodiment mainly is applied to in the residential quarter collection table case, only need with a plurality of devices set up respectively between every ammeter and live wire inlet wire can. When other electric meters needing to be replaced exist after one electric meter is replaced, the steps are repeated to continue operation; when all the table changing operations are completed, the staff need to check whether all the key switch state indicators 6 are lighted again, and after the check confirms that the keys are correct, the container body 7 is closed to complete the operations.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The uninterrupted meter changing device is characterized by comprising a wiring terminal box (2), wherein an incoming terminal (2.1), a first outgoing terminal (2.2), a second outgoing terminal (2.3) and a switching copper sheet (2.4) are arranged in the wiring terminal box (2);
the incoming line terminal (2.1) is connected with a live line incoming line, the first outgoing line terminal (2.2) is connected with an electric meter incoming line terminal, the electric meter outgoing line terminal is connected with the second outgoing line terminal (2.3), and the second outgoing line terminal (2.3) is also connected with a user side air switch;
one end of the switching copper sheet (2.4) is fixedly connected with the incoming line terminal (2.1), and the other end of the switching copper sheet (2.4) switches the connection position between the first outgoing line terminal (2.2) and the second outgoing line terminal (2.3).
2. A device for changing watches without power-off according to claim 1, characterized in that, the device further comprises a key switch (1);
the key switch (1) is arranged on the surface of the wiring terminal box (2), and the other end of the switching copper sheet (2.4) is driven to switch between the first wire outlet terminal (2.2) and the second wire outlet terminal (2.3) by rotating the key switch (1).
3. A non-stop watch changing device according to claim 2, characterized in that the device further comprises a load switch (3);
the load switch (3) is arranged between the second outgoing line terminal (2.3) and the user side switch and used for avoiding peak current generated when the copper sheet (2.4) is switched to be temporarily connected with the incoming line terminal (2.1) and the second outgoing line terminal (2.3) from damaging electric equipment.
4. A device for changing tables without power failure according to claim 3, characterized in that it further comprises a first sensor (4) and an alarm module (5);
the first sensor (4) is connected with the alarm module (5) and is used for monitoring abnormal rotation information of the key switch (1); when the key switch (1) is forcibly rotated or damaged by tools except a matched key, the abnormal rotation information is transmitted to the alarm module (5) by the first sensor (4), and the alarm module (5) is started after receiving the abnormal rotation information to perform sound-light alarm.
5. A device for changing watch without power failure according to claim 4, characterized in that it further comprises a key switch status indicator (6);
the key switch state indicator (6) is arranged between the first wire outlet terminal (2.2) and the electric meter wire inlet end and used for indicating the current state of the key switch (1).
6. A device for changing tables without power failure as claimed in claim 5, characterized in that the device further comprises a container body (7), and the key switch (1), the terminal box (2), the load switch (3), the first sensor (4), the alarm module (5) and the key switch status indicator (6) are all arranged in the container body (7).
7. A device for changing watches without power failure as claimed in claim 6, wherein the container body (7) is provided with a mechanical key hole (8) on the surface, and the container body (7) is opened by inserting a special key into the mechanical key hole (8).
8. The uninterrupted meter changing device according to claim 7, wherein a fingerprint identification module (9) is further arranged on the surface of the container body (7), and a worker opens the container body (7) through fingerprint identification performed by the fingerprint identification module (9);
the fingerprint identification module (9) is connected with the alarm module (5), and when the continuous times that the fingerprint identification module (9) does not pass the fingerprint identification exceed the set times, the abnormal identification information is transmitted to the alarm module (5); and the alarm module (5) is started after receiving the abnormal identification information to perform sound-light alarm.
9. A device for changing tables without power failure as claimed in claim 8, characterized in that the surface (7) of the container body is further provided with a second sensor (10) for monitoring abnormal vibration information of the container body (7);
the second sensor is connected with the alarm module (5) (10) and transmits the abnormal vibration information to the alarm module (5), and the alarm module (5) is started after receiving the abnormal vibration information to perform sound-light alarm.
10. The uninterrupted power supply meter changing device according to claim 9, further comprising a communication module (11), wherein the communication module (11) is arranged in the container body (7) and connected with the alarm module (5), after the alarm module (5) is started, alarm information is sent to the communication module (11), and the communication module (11) sends the alarm information to an external management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011589744.3A CN112798835A (en) | 2020-12-28 | 2020-12-28 | Uninterrupted meter replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011589744.3A CN112798835A (en) | 2020-12-28 | 2020-12-28 | Uninterrupted meter replacing device |
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| CN112798835A true CN112798835A (en) | 2021-05-14 |
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| CN202011589744.3A Pending CN112798835A (en) | 2020-12-28 | 2020-12-28 | Uninterrupted meter replacing device |
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| CN (1) | CN112798835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117856084A (en) * | 2024-03-08 | 2024-04-09 | 国网江苏省电力有限公司泰州供电分公司 | Uninterrupted meter replacing device for electric power |
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Application publication date: 20210514 |