CN113791272B - Intelligent electric energy meter with upgradeable module and module upgrading method - Google Patents
Intelligent electric energy meter with upgradeable module and module upgrading method Download PDFInfo
- Publication number
- CN113791272B CN113791272B CN202110834980.5A CN202110834980A CN113791272B CN 113791272 B CN113791272 B CN 113791272B CN 202110834980 A CN202110834980 A CN 202110834980A CN 113791272 B CN113791272 B CN 113791272B
- Authority
- CN
- China
- Prior art keywords
- module
- power
- current
- power supply
- peak current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000003993 interaction Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
-
- 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
-
- 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
- G01R11/25—Arrangements for indicating or signalling faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/068—Arrangements for indicating or signaling faults
Abstract
The invention discloses an intelligent electric energy meter with an upgradeable module and a module upgrading method, wherein the intelligent electric energy meter comprises a functional module arranged on a bottom plate of the electric energy meter, and the functional module comprises a power supply module, a metering module, a management module, an uplink module and an expansion module; the power module is an independent pluggable power module, and the independent pluggable power module comprises a power module shell, a power module arranged on the power module shell and a plug connector arranged on the power module. The module upgrading method comprises the steps of power module self-checking, management module registration, uplink module registration and extension module registration, wherein each functional module performs data interaction through a handshake protocol to obtain power consumption attributes, then calculates residual output current and residual output peak current, and confirms whether the registration is successful or not according to calculation results of the residual output current and the residual output peak current. The invention realizes the independent upgrading of each functional module and solves the problem of error protection when some modules generate peak current.
Description
Technical Field
The invention relates to the technical field of intelligent electric energy meters, in particular to an intelligent electric energy meter with a scalable module and a module upgrading method.
Background
The international legal metering Organization (OIML) issued the latest revised International proposal for electric energy meters, namely "active electric energy meters" (abbreviated as IR 46), in 2012, china should comply with IR46 as OIML member country, and the relevant national standard will be issued in 2021. The IR46 puts forward a plurality of new requirements on the metering performance and the function of the electric energy meter, and the electric energy metering function and the non-metering function of the electric energy meter are logically independent, and the accuracy and the stability of the electric energy metering part cannot be influenced due to the upgrading of non-metering function software.
The national power grid company and the southern power grid company sequentially put forward new design requirements of the intelligent electric energy meter, and the intelligent electric energy meter is required to be separated from the management core and the metering core, and meanwhile has a certain expansion module and the capability of subsequent hardware and software upgrading. The metering module is used as a metering part for manufacturing, the power supply module is embedded in the metering module and can not be changed or upgraded correspondingly. Other management modules, uplink modules and expansion modules can be updated. Although the scheme solves the problems that the legal metering part is independent, other management and expansion functions can be updated in software and hardware according to management requirements, the method has the following problems:
(1) The power supply module provides two paths of power, supplies metering module all the way, provides management module and extension module all the way, and when management module or upward module, extension module change into the module that the power is bigger, like upward module change from the HPLC module into 5G module, the power supply module will not satisfy the power supply requirement.
(2) The management module and the expansion module are provided with current limit chips to prevent short circuit, but if a certain module has peak current, error protection condition can occur.
(3) If the power supply module fails, the whole meter is scrapped and disassembled for maintenance.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent electric energy meter with a scalable module and a module upgrading method, which aim to solve the following problems:
(1) The problem that the power supply module of the existing electric energy meter is integrated on the metering core and cannot be independently updated is solved;
(2) The problem that other modules of the electric energy meter may cause insufficient carrying capacity of the power supply module during upgrading and replacement is solved;
(3) The problem that once the power supply module is scrapped, the whole electric energy meter is scrapped, disassembled and maintained is solved;
(4) The problem that error protection is easy to occur when some modules in the electric energy meter generate peak current is solved.
For this purpose, the specific technical scheme of the invention is as follows:
the intelligent electric energy meter with the upgradeable modules comprises functional modules which are respectively arranged on a bottom plate of the electric energy meter, wherein each functional module comprises a power supply module, a metering module, a management module, an uplink module and an expansion module; the power module is an independent pluggable power module, and the independent pluggable power module comprises a power module shell, a power module arranged on the power module shell and a plug connector arranged on the power module.
Preferably, the power module is fixed on the power module shell through screws.
Preferably, a groove body for installing the power supply module is arranged on the shell of the electric energy meter, and the power supply module is installed in the groove body.
Preferably, the slot body is provided with a guide slot and a clamping slot respectively, the power module shell is provided with a lock catch and a guide rib parallel to the plugging direction of the independent pluggable power module, the guide rib is positioned in the guide slot, and the lock catch is locked in the clamping slot.
As a further improvement of the invention, the power module is a power module with an MCU chip, a handshake protocol is built in each functional module, and identity confirmation and data interaction are realized between the functional modules through the handshake protocol; the content of the handshake protocol comprises a module name and a power consumption attribute; the handshake protocol of the power supply module is a handshake main protocol, and the content of the handshake main protocol comprises a module list, a power consumption attribute and a power supply module carrying capacity attribute; wherein the power consumption attribute comprises a minimum operating current, a peak current and an average current; the load capacity attribute of the power supply module comprises total output current, total output peak current, residual output current and residual output peak current; the power consumption attribute of each module is smaller than or equal to the load capacity attribute of the power module.
Preferably, the functional module further comprises a standby power supply.
In the invention, the expansion module comprises a first expansion module and a second expansion module, and the power module is provided with five paths of power output for supplying power to the metering module, the management module, the uplink module, the first expansion module and the second expansion module respectively.
In order to avoid the problem that error protection is easy to occur when some modules in the electric energy meter generate peak current, the further improvement scheme is as follows: the power supply module dynamically distributes the power supply current required by each module through a handshaking protocol.
In the invention, the metering module, the management module, the uplink module and the expansion module are respectively internally provided with a processing chip. Specifically, a metering chip is arranged in the metering module, a management chip is arranged in the management module, an uplink communication chip is arranged in the uplink module, and an expansion processing chip is arranged in the expansion module.
The module upgrading method of the intelligent electric energy meter with the upgradeable module is characterized by comprising the following steps of:
s1, inserting a power supply module, and self-checking whether the power supply module is normal or not;
s2, inserting a management module, detecting the insertion of the management module by the power module, distributing the management module according to the total output current and the total output peak current, and carrying out handshake interaction between the power module and the management module to obtain a module name, a minimum working current a1, a peak current b1 and an average current c1;
s3, registering the management module by the power supply module, and simultaneously calculating residual output current and residual output peak current by the power supply module, wherein the residual output current is equal to total output current-average current c1, and the residual output peak current is equal to total output peak current-peak current b1;
s4, inserting an uplink module, detecting the insertion of the uplink module by the power module, closing the power supply of other modules by the power module, distributing the power supply to the uplink module according to the total output current and the total output peak current, and performing handshake interaction between the power module and the uplink module to obtain a module name, a minimum working current a2, a peak current b2 and an average current c2;
s5, calculating the load capacity of the power supply module: residual output current=total output current-average current c 1-average current c2, residual output peak current=total output peak current-peak current b 1-peak current b2, if the residual output current is greater than or equal to 0, the residual output peak current is greater than or equal to 0, the uplink module registration is successful, otherwise the registration is unsuccessful;
s6, inserting and registering other modules in sequence, and calculating the carrying capacity of the power module when inserting other modules, and if the carrying capacity of the power module is not moving because the output power of the power module is low after inserting other modules, replacing the power module with stronger carrying capacity.
Preferably, the power module starts the backup power when the power is abnormal through self-checking, and actively reports the fault information of the power module to the master station, and informs maintenance personnel of replacing the power module.
The beneficial effects of the invention are as follows:
firstly, according to the intelligent electric energy meter with the upgradeable module and the module upgrading method, the power supply module is set to be an independent pluggable power supply module, so that the problem that the power supply module of the traditional electric energy meter cannot be independently upgraded when being integrated on the metering core is solved.
Secondly, according to the intelligent electric energy meter with the upgradeable modules and the module upgrading method, the identity confirmation and data interaction of each functional module are realized through the handshake protocol, and whether the upgrade is feasible or not can be automatically judged according to the load capacity attribute of the power module and the power consumption attribute of other functional modules when the modules are upgraded, so that the problem that the load capacity of the power module is insufficient when other modules of the electric energy meter are upgraded and replaced is solved.
Third, according to the intelligent electric energy meter with the upgradeable modules and the module upgrading method, the power supply module dynamically distributes the power supply current required by each module through the handshaking protocol, so that the problem that error protection is easy to occur due to the fact that peak currents are generated by some modules in the traditional electric energy meter can be solved.
Fourth, according to the intelligent ammeter with the upgradeable modules and the module upgrading method, the standby power supply is arranged, the power supply modules are independently pluggable, the standby power supply can be started in time when the power supply modules are abnormal, fault information of the power supply modules is actively reported to the master station, and maintenance personnel are informed of replacement of the power supply modules. Therefore, the problem that once the power supply module of the traditional electric energy meter is scrapped, the whole electric energy meter is scrapped and disassembled for maintenance is solved.
Drawings
FIG. 1 is a schematic diagram of a smart power meter with a scalable module of the present invention;
FIG. 2 is a schematic diagram of a portion of the management module of FIG. 1;
FIG. 3 is a schematic view of the portion of FIG. 1 relating to a metrology module;
FIG. 4 is a schematic view of the portion of FIG. 1 related to a power module group;
fig. 5 is a schematic diagram of a module upgrade process.
In the figure: 1. the electric energy meter comprises an electric energy meter bottom plate, 2, a power supply module, 3, a metering module, 4, a management module, 5, an uplink module, 6, an expansion module, 7, a power supply module shell, 8, a power supply module, 9, a plug connector, 10, a screw, 11, a shell of the electric energy meter, 12, a groove body, 13, a guide groove, 14, a clamping groove, 15, a lock catch, 16 and a guide rib.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1
Fig. 1 to 5 show an embodiment of a smart electric energy meter with a scalable module according to the present invention, which includes functional modules respectively disposed on a base plate 1 of the electric energy meter, wherein the functional modules include a power module 2, a metering module 3, a management module 4, an uplink module 5 and an expansion module 6; the power module 2 is an independent pluggable power module 2, and the independent pluggable power module 2 comprises a power module shell 7, a power module 8 arranged on the power module shell 7, and a plug connector 9 arranged on the power module 8.
Preferably, the power module 8 is fixed to the power module housing 7 by screws 10.
Preferably, a housing 11 of the electric energy meter is provided with a groove 12 for installing the power module 2, and the power module 2 is installed in the groove 12.
Preferably, the slot body 12 is provided with a guide slot 13 and a clamping slot 14, the power module housing 7 is provided with a lock catch 15 and a guide rib 16 parallel to the plugging direction of the independent pluggable power module 2, the guide rib 16 is positioned in the guide slot 13, and the lock catch 15 is locked in the clamping slot 14.
As a further improvement of the embodiment, the power module 8 is a power module 8 with an MCU chip built in, a handshake protocol is built in each of the functional modules 2, 3, 4, 5, 6, and identity confirmation and data interaction are implemented between each of the functional modules 2, 3, 4, 5, 6 through the handshake protocol; the content of the handshake protocol comprises a module name and a power consumption attribute; the handshake protocol of the power supply module 2 is a handshake main protocol, and the content of the handshake main protocol comprises a module list, a power consumption attribute and a power supply module carrying capacity attribute; wherein the power consumption attribute comprises a minimum operating current, a peak current and an average current; the load capacity attribute of the power supply module comprises total output current, total output peak current, residual output current and residual output peak current; the power consumption attribute of each module is smaller than or equal to the load capacity attribute of the power module.
Preferably, the functional module further comprises a standby power supply.
In this embodiment, the expansion module 6 includes a first expansion module and a second expansion module, and the power module 8 is provided with five power outputs for supplying power to the metering module 3, the management module 4, the uplink module 5, the first expansion module and the second expansion module, respectively.
In order to avoid the problem that error protection is easy to occur when some modules in the electric energy meter generate peak current, the further improvement scheme is as follows: the power module 2 dynamically distributes the power supply current required by each module through a handshaking protocol.
In this embodiment, the metering module 3, the management module 4, the uplink module 5 and the expansion module 6 are respectively provided with processing chips. Specifically, a metering chip is arranged in the metering module 3, a management chip is arranged in the management module 4, an uplink communication chip is arranged in the uplink module 5, and an expansion processing chip is arranged in the expansion module 6.
Example 2
A modular upgrading method for a power-replaceable intelligent electric energy meter employing embodiment 1, comprising the steps of:
s1, inserting a power supply module 2, and self-checking whether the power supply module 2 is normal or not;
s2, inserting the management module 4, detecting the insertion of the management module 4 by the power module 2, distributing the total output current and the total output peak current to the management module 4 by the power module 2, and carrying out handshake interaction by the management module 4 to obtain a module name, a minimum working current a1, a peak current b1 and an average current c1;
s3, registering the management module 4 by the power module 2, and simultaneously calculating residual output current and residual output peak current by the power module 2, wherein the residual output current is=total output current-average current c1, and the residual output peak current is=total output peak current-peak current b1;
s4, inserting an uplink module 5, detecting the insertion of the uplink module 5 by the power module 2, closing the power supply of other modules by the power module 2, distributing the power supply to the uplink module 5 according to the total output current and the total output peak current, and carrying out handshake interaction between the power module 2 and the uplink module 5 to obtain a module name, a minimum working current a2, a peak current b2 and an average current c2;
s5, calculating the carrying capacity of the power supply module 2: residual output current=total output current-average current c 1-average current c2, residual output peak current=total output peak current-peak current b 1-peak current b2, if the residual output current is greater than or equal to 0, the residual output peak current is greater than or equal to 0, the uplink module 5 is successfully registered, otherwise the registration is unsuccessful;
s6, inserting and registering other modules in sequence, and calculating the carrying capacity of the power module when inserting other modules, and if the carrying capacity of the power module is not movable because the output power of the power module 2 is low after inserting other modules, replacing the power module 2 with stronger carrying capacity.
Preferably, the power module 2 starts a backup power supply when the power supply is abnormal through self-checking, and actively reports fault information of the power module 2 to the master station to inform maintenance personnel of replacing the power module 2.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The module upgrading method of the intelligent electric energy meter with the upgradeable modules is characterized in that the intelligent electric energy meter with the upgradeable modules comprises functional modules which are respectively arranged on a bottom plate of the electric energy meter, and the functional modules comprise a power supply module, a metering module, a management module, an uplink module and an expansion module; the power module is an independent pluggable power module, and the independent pluggable power module comprises a power module shell, a power module arranged on the power module shell and a plug connector arranged on the power module; the power module is a power module internally provided with an MCU chip, a handshake protocol is built in each functional module, and identity confirmation and data interaction are realized among the functional modules through the handshake protocol; the content of the handshake protocol comprises a module name and a power consumption attribute; the handshake protocol of the power supply module is a handshake main protocol, and the content of the handshake main protocol comprises a module list, a power consumption attribute and a power supply module carrying capacity attribute; wherein the power consumption attribute comprises a minimum operating current, a peak current and an average current; the load capacity attribute of the power supply module comprises total output current, total output peak current, residual output current and residual output peak current; the power consumption attribute of each module is smaller than or equal to the load capacity attribute of the power module; the functional module further comprises a standby power supply; the module upgrading method of the intelligent electric energy meter with the upgradeable module comprises the following steps:
s1, inserting a power supply module, and self-checking whether the power supply module is normal or not;
s2, inserting a management module, detecting the insertion of the management module by the power module, distributing the management module according to the total output current and the total output peak current, and carrying out handshake interaction between the power module and the management module to obtain a module name, a minimum working current a1, a peak current b1 and an average current c1;
s3, registering the management module by the power supply module, and simultaneously calculating residual output current and residual output peak current by the power supply module, wherein the residual output current is equal to total output current-average current c1, and the residual output peak current is equal to total output peak current-peak current b1;
s4, inserting an uplink module, detecting the insertion of the uplink module by the power module, closing the power supply of other modules by the power module, distributing the power supply to the uplink module according to the total output current and the total output peak current, and performing handshake interaction between the power module and the uplink module to obtain a module name, a minimum working current a2, a peak current b2 and an average current c2;
s5, calculating the load capacity of the power supply module: residual output current=total output current-average current c 1-average current c2, residual output peak current=total output peak current-peak current b 1-peak current b2, if the residual output current is greater than or equal to 0, the residual output peak current is greater than or equal to 0, the uplink module registration is successful, otherwise the registration is unsuccessful;
s6, inserting and registering other modules in sequence, and calculating the carrying capacity of the power module when inserting other modules, and if the carrying capacity of the power module is not moving because the output power of the power module is low after inserting other modules, replacing the power module with stronger carrying capacity.
2. The modular upgrading method of a scalable modular intelligent ammeter according to claim 1, wherein the power module is fixed to the power module housing by screws.
3. The module upgrading method of the intelligent electric energy meter with the upgradeable modules according to claim 1, wherein a groove body for installing the power module is arranged on a shell of the electric energy meter, and the power module is installed in the groove body.
4. The module upgrading method of the intelligent electric energy meter with the upgradeable modules according to claim 3, wherein guide grooves and clamping grooves are respectively formed in the groove body, a lock catch and guide ribs parallel to the plugging direction of the independent pluggable power module are arranged on the power module shell, the guide ribs are positioned in the guide grooves, and the lock catch is locked in the clamping grooves.
5. The module upgrading method of the intelligent ammeter with the upgradeable modules according to claim 1, wherein the expansion module comprises an expansion module I and an expansion module II, and the power module is provided with five power outputs for supplying power to the metering module, the management module, the uplink module, the expansion module I and the expansion module II respectively.
6. The method for upgrading a module of an intelligent ammeter with a scalable module according to claim 5, wherein the power module dynamically distributes the power supply current required by each module through a handshaking protocol.
7. The module upgrading method of the intelligent ammeter with the upgradeable modules according to claim 1, wherein the power module starts a backup power supply when the power supply is found to be abnormal through self-checking, and actively reports fault information of the power supply module to the master station to inform maintenance personnel of replacing the power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834980.5A CN113791272B (en) | 2021-07-23 | 2021-07-23 | Intelligent electric energy meter with upgradeable module and module upgrading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834980.5A CN113791272B (en) | 2021-07-23 | 2021-07-23 | Intelligent electric energy meter with upgradeable module and module upgrading method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113791272A CN113791272A (en) | 2021-12-14 |
| CN113791272B true CN113791272B (en) | 2024-02-09 |
Family
ID=78876907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110834980.5A Active CN113791272B (en) | 2021-07-23 | 2021-07-23 | Intelligent electric energy meter with upgradeable module and module upgrading method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113791272B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6609081B1 (en) * | 2000-06-02 | 2003-08-19 | Astec International Limited | Automated expansion analyzer for telecommunications power systems |
| CN105119330A (en) * | 2015-08-24 | 2015-12-02 | 联想(北京)有限公司 | Power adapter and power supply method |
| CN105140905A (en) * | 2014-05-30 | 2015-12-09 | 华为技术有限公司 | Telecommunication equipment, power supply system and power supply realization method |
| CN208421066U (en) * | 2018-07-20 | 2019-01-22 | 江阴长仪集团有限公司 | A kind of modularization framework of multicore intelligent electric energy meter |
| CN112557714A (en) * | 2020-12-10 | 2021-03-26 | 宁波迦南智能电气股份有限公司 | Multi-core modular intelligent electric energy meter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5244862B2 (en) * | 2010-06-16 | 2013-07-24 | 株式会社日立製作所 | Information processing system provided with a power suppression function according to the output state of the power supply module |
| CN105449719B (en) * | 2014-08-26 | 2019-01-04 | 珠海格力电器股份有限公司 | Distributed energy power control method, apparatus and system |
-
2021
- 2021-07-23 CN CN202110834980.5A patent/CN113791272B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6609081B1 (en) * | 2000-06-02 | 2003-08-19 | Astec International Limited | Automated expansion analyzer for telecommunications power systems |
| CN105140905A (en) * | 2014-05-30 | 2015-12-09 | 华为技术有限公司 | Telecommunication equipment, power supply system and power supply realization method |
| CN105119330A (en) * | 2015-08-24 | 2015-12-02 | 联想(北京)有限公司 | Power adapter and power supply method |
| CN208421066U (en) * | 2018-07-20 | 2019-01-22 | 江阴长仪集团有限公司 | A kind of modularization framework of multicore intelligent electric energy meter |
| CN112557714A (en) * | 2020-12-10 | 2021-03-26 | 宁波迦南智能电气股份有限公司 | Multi-core modular intelligent electric energy meter |
Non-Patent Citations (1)
| Title |
|---|
| 基于单MCU的智能电能表软件法制计量设计;张秋雁 等;计算技术与自动化(第03期);170-174 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113791272A (en) | 2021-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101202933B (en) | Communication equipment, advanced interlayer card and supply power providing method thereof | |
| CN113791272B (en) | Intelligent electric energy meter with upgradeable module and module upgrading method | |
| CN104192153A (en) | Rail train controller | |
| CN112034410A (en) | Detection tool module of multi-core modular electric energy meter | |
| CN109474072A (en) | A kind of intelligent substation cluster measure and control device and its traffic model generation method | |
| CN208421066U (en) | A kind of modularization framework of multicore intelligent electric energy meter | |
| CN216160734U (en) | Removable intelligent ammeter of power | |
| CN109786599B (en) | Energy storage system | |
| CN115175023B (en) | Photovoltaic inverter-based method, system and device for reading meter of internet of things | |
| CN204117069U (en) | A kind of server backplanes | |
| CN207603437U (en) | A kind of secondary power system and uninterruptible power supply | |
| CN215580875U (en) | Portable power supply structure of modularization | |
| CN109901071A (en) | A kind of dynamic can recombinate energy-storage battery detection system | |
| CN210129159U (en) | Back plate | |
| CN213459861U (en) | UPS lithium battery system architecture | |
| CN212751016U (en) | Battery module end plate and battery module | |
| CN108471162A (en) | A kind of reserve battery management system based on data center | |
| CN112650363A (en) | Distributed telemechanical system based on balanced communication CPU node group and design method | |
| CN202183079U (en) | Backup power system | |
| CN105353860A (en) | BBU interconnection management method | |
| CN206340984U (en) | A kind of integrated AC/DC integrated power-supply system of multicompartment | |
| Margaritis et al. | Contemporary architectures for power systems considering future trends | |
| CN117478638B (en) | Addressing method and system for battery management system equipment | |
| CN111103940A (en) | Remote electric energy data terminal based on container engine | |
| CN211014724U (en) | Six-core intelligent adapter card seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |