CN204989313U - But multichannel electricity energy measurement device of modularization extension - Google Patents
But multichannel electricity energy measurement device of modularization extension Download PDFInfo
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- CN204989313U CN204989313U CN201520753003.2U CN201520753003U CN204989313U CN 204989313 U CN204989313 U CN 204989313U CN 201520753003 U CN201520753003 U CN 201520753003U CN 204989313 U CN204989313 U CN 204989313U
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Abstract
The utility model discloses a but multichannel electricity energy measurement device of modularization extension, a serial communication port, include a central processing unit, infrared unit, read card unit, memory cell, cell, liquid crystal display unit, keyboard unit, voltage acquisition unit, multichannel electric current collection module and communication unit, a central processing unit respectively with infrared unit read the card unit memory cell cell the liquid crystal display unit the keyboard unit voltage acquisition unit multichannel electric current collection module and the communication unit is connected. The utility model discloses the extension of support modularization has reduced measuring equipment investment cost, has reduced the maintenance work volume, has practiced thrift table case installation space.
Description
Technical field
The utility model relate to a kind of can modularization expansion Multi-path electricity energy metering device.
Background technology
Intelligent electric meter is the intelligent terminal of intelligent grid, except possessing the function of measuring of traditional electric energy meter basic electricity amount, in order to adapt to the use of intelligent grid and new forms of energy, the intelligentized functions such as power information stores, two-way multiple rate is measured, user side controls, the bidirectional data communication of plurality of data transmission modes that it also has.In China, the propelling of building along with the strong intelligent grid of country, as the demand of the intelligent electric meter of user side also in continuous growth.Current, low pressure resident generally adopts the mounting means that Every household has an ammeter, and for the resident of urban cells, the electric supply meter with Stall is often installed concentratedly in corridor corridor, ammeter well or power distribution room.The intelligent electric meter of all user installation is all configured with the functions such as collection, storage, calculating, display, communication, Card Reader, control, but user or grid company require not high to the usage frequency of each function of intelligent electric meter, make current intelligent electric meter occur very large redundancy in the performance of the functions such as display, calculating, communication, Card Reader, storage.Consider that intelligent electric meter makes cost improve because of the increase of function, performance can not get utilizing fully causing economy to be deteriorated.Therefore, concentrate the occasion of dress table for low pressure resident, be necessary to design a kind of electric power meter gathering multichannel electric information, realize sharing of the functions such as display, calculating, communication, Card Reader, and configure according to the change flexible expansion of number of users, reach the balance of function and economy.
Summary of the invention
In order to overcome the deficiency of existing technology, the utility model provide a kind of can modularization expansion Multi-path electricity energy metering device.
Technical solutions of the utility model are as described below:
Can modularization expansion a Multi-path electricity energy metering device, it is characterized in that, comprise
Be responsible for the task of calling whole system, manage the CPU (central processing unit) of all system peripherals,
Support that external unit is by the infrared unit of the associated user's power information in infra-red communications port reading device,
Support that user is read in measuring apparatus by subscriber card that store with card reading unit that is user-dependent power information,
For the user power utilization data storing the User Profile information obtained from metering automation system or Marketing Management Information System, each voltage, current module gather, the result of calculation of described CPU (central processing unit) and the storage unit of relevant historical data,
For whole device provides standby power supply, the battery unit that when occurring for having a power failure, holdout device normal continuous runs,
The liquid crystal display of the power information of each setting option corresponding for display keyboard input and user's inquiry,
For inputting the keyboard of various information,
For carrying out the communication unit of communication with main website, concentrator,
For the voltage acquisition unit of the line voltage distribution transient data of Real-time Collection measuring apparatus installed position,
Gather the electric current instantaneous flow on subscriber's line, and be supplied to the electric energy metrical of described CPU (central processing unit) for user and the current acquisition module of electrical energy consumption analysis;
Described CPU (central processing unit) is connected with described infrared unit, described card reading unit, described storage unit, described battery unit, described liquid crystal display, described keyboard unit, described voltage acquisition unit, described multichannel electric current acquisition module and described communication unit respectively.
Further, described CPU (central processing unit), described infrared unit, described card reading unit, described storage unit, described battery unit, described liquid crystal display, described keyboard unit, described voltage acquisition unit and described communication unit are assembled into integrative-structure, and this integrative-structure is device main frame.
Further, described device main frame is arranged on the main line of subscriber's line inlet wire, and described current acquisition module is located on the branch line of subscriber's line inlet wire.
Further, described current acquisition module is connected by signal wire with described device main frame.
Further, described device main frame also comprises Power Management Unit, described Power Management Unit two ends connect described battery unit and described CPU (central processing unit) respectively, and the voltage transitions on the voltage that battery unit exports by described Power Management Unit or circuit becomes stable system power supply voltage.
Further, Hall current sensor and MCU chip is provided with in described current acquisition module, electric current instantaneous flow on the subscriber's line collected is passed to described MCU chip by described Hall current sensor, and described MCU chip utilizes AD integrated on it to convert the analog quantity that Hall current sensor exports to digital signal and is supplied to described CPU (central processing unit).
Further, described A/D chip is provided with SPI interface, and current digital signal is transmitted by described SPI interface.
Further, described keyboard comprises optimum configurations key and multifunctional direction key, and described optimum configurations key arranges input for system, and described multifunctional direction key is for arranging position, the display screen page turning of cursor.
According to the utility model of said structure, its beneficial effect is, the electric energy meter mounting means that Every household has an ammeter under the alternative concentrated dress table occasion of the utility model, support moduleization is expanded, only need a table apparatus main frame, and according to the quantity flexible configuration current acquisition submodule number of user, by concentrated collection, focus on, centralized displaying, concentrate the mode uploaded to gather ordinarily resident's power information that concentrated dress is shown, reduce metering outfit cost of investment, decrease maintenance workload, save table case installing space.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the structural representation of the utility model current acquisition inside modules;
Fig. 3 is the syndeton schematic diagram between the utility model and outside line.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is conducted further description:
As shown in Figure 1, a kind of can modularization expansion Multi-path electricity energy metering device, comprise CPU (central processing unit), infrared unit, card reading unit, storage unit, battery unit, Power Management Unit, liquid crystal display, keyboard unit, voltage acquisition unit, multichannel electric current acquisition module (i.e. current acquisition submodule) and communication unit, CPU (central processing unit) respectively with infrared unit, card reading unit, storage unit, liquid crystal display, keyboard unit, voltage acquisition unit, multichannel electric current acquisition module and communication unit connect, and be connected with battery unit by Power Management Unit, wherein:
(1) CPU (central processing unit)
CPU (central processing unit) is the minimum system ensureing normal work, is responsible for the task of calling whole system, manages all system peripherals.
(2) infrared unit
Infrared unit supports that peripheral hardware is by the associated user's power information in the infra-red communications port reading device of device, as Customs Assigned Number, user's name, table code, electricity, rate etc.
(3) card reading unit
Card reading unit supports that user reads in measuring apparatus that store with user-dependent power information, as Customs Assigned Number, user's name, table code, electricity, rate etc. by subscriber card.
(4) storage unit
Storage unit is used for User Profile information, each voltage, the user power utilization data of current module collection, the result of calculation of CPU (central processing unit) and the relevant historical data etc. that memory storage obtains from metering automation system or Marketing Management Information System.
(5) battery unit
Battery unit provides standby power supply for this device, normal continuous operation timer occurring for having a power failure.Rechargeable battery or common batteries is adopted to realize.
(6) Power Management Unit
Voltage transitions on the voltage that battery unit exports by Power Management Unit or circuit becomes stable system power supply voltage.When adopting rechargeable battery, also have Charge Management ability, there is charged state detection, battery electric quantity detection, the low warning of electricity and electricity and be full of the functions such as prompting.
(7) liquid crystal display
Liquid crystal display is used for each setting option corresponding to display keyboard input.In addition, also for showing the power information of user's inquiry.
(8) keyboard
Keyboard is made up of optimum configurations key and multifunctional direction key.Optimum configurations key arranges input for system; Multifunctional direction key is for arranging the position, display screen page turning etc. of cursor.
(9) communication unit
Communication unit is used for carrying out communication with main website, concentrator etc., can be configured as requested, supports the modes such as micropower is wireless, power carrier, GPRS, RS485.
(10) voltage acquisition unit
Voltage acquisition unit is used for the line voltage distribution transient data of Real-time Collection measuring apparatus installed position, and these data are supplied to CPU (central processing unit) for calculating the power information of user;
(11) current acquisition module
As shown in Figure 2, Hall current sensor and MCU chip is provided with in current acquisition module, MCU chip is provided with SPI interface, current acquisition module utilizes the electric current instantaneous flow on Hall current sensor collection subscriber's line, and the AD conversion that the simulating signal of sensor output is integrated in MCU chip becomes digital signal.Current digital signal is supplied to CPU (central processing unit) for the electric energy metrical of user and electrical energy consumption analysis by SPI interface.
As shown in Figure 3, CPU (central processing unit), infrared unit, card reading unit, storage unit, battery unit, liquid crystal display, keyboard unit, voltage acquisition unit and communication unit are assembled into integrative-structure, this integrative-structure is device main frame, preferably, device main frame arranges on the main line with subscriber's line inlet wire, current acquisition module is located on the branch line of subscriber's line inlet wire, and current acquisition module is connected by signal wire with device main frame.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
By reference to the accompanying drawings exemplary description is carried out to the utility model patent above; the realization of obvious the utility model patent is not subject to the restrictions described above; as long as have employed the various improvement that method is conceived and technical scheme is carried out of the utility model patent; or the design of the utility model patent and technical scheme directly applied to other occasion, all in protection domain of the present utility model without to improve.
Claims (8)
1. can modularization expansion a Multi-path electricity energy metering device, it is characterized in that, comprise
Be responsible for the task of calling whole system, manage the CPU (central processing unit) of all system peripherals,
Support that external unit is by the infrared unit of the associated user's power information in infra-red communications port reading device,
Support that user is read in measuring apparatus by subscriber card that store with card reading unit that is user-dependent power information,
For the user power utilization data storing the User Profile information obtained from metering automation system or Marketing Management Information System, each voltage, current module gather, the result of calculation of described CPU (central processing unit) and the storage unit of relevant historical data,
For whole device provides standby power supply, the battery unit that when occurring for having a power failure, holdout device normal continuous runs,
The liquid crystal display of the power information of each setting option corresponding for display keyboard input and user's inquiry,
For inputting the keyboard of various information,
For carrying out the communication unit of communication with main website, concentrator,
For the voltage acquisition unit of the line voltage distribution transient data of Real-time Collection measuring apparatus installed position,
Gather the electric current instantaneous flow on subscriber's line, and be supplied to the electric energy metrical of described CPU (central processing unit) for user and the current acquisition module of electrical energy consumption analysis;
Described CPU (central processing unit) is connected with described infrared unit, described card reading unit, described storage unit, described battery unit, described liquid crystal display, described keyboard unit, described voltage acquisition unit, described multichannel electric current acquisition module and described communication unit respectively.
2. according to claim 1 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, described CPU (central processing unit), described infrared unit, described card reading unit, described storage unit, described battery unit, described liquid crystal display, described keyboard unit, described voltage acquisition unit and described communication unit are assembled into integrative-structure, and this integrative-structure is device main frame.
3. according to claim 2 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, described device main frame is arranged on the main line of subscriber's line inlet wire, and described current acquisition module is located on the branch line of subscriber's line inlet wire.
4. according to claim 3 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, described current acquisition module is connected by signal wire with described device main frame.
5. according to claim 2 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, described device main frame also comprises Power Management Unit, described Power Management Unit two ends connect described battery unit and described CPU (central processing unit) respectively, and the voltage transitions on the voltage that battery unit exports by described Power Management Unit or circuit becomes stable system power supply voltage.
6. according to claim 1 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, Hall current sensor and MCU chip is provided with in described current acquisition module, electric current instantaneous flow on the subscriber's line collected is passed to described MCU chip by described Hall current sensor, and described MCU chip utilizes AD integrated on it to convert the analog quantity that Hall current sensor exports to digital signal and is supplied to described CPU (central processing unit).
7. according to claim 6 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, described MCU chip is provided with SPI interface, and described current digital signal is transmitted by described SPI interface.
8. according to claim 1 can modularization expansion Multi-path electricity energy metering device, it is characterized in that, described keyboard comprises optimum configurations key and multifunctional direction key, described optimum configurations key arranges input for system, and described multifunctional direction key is for arranging position, the display screen page turning of cursor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520753003.2U CN204989313U (en) | 2015-09-28 | 2015-09-28 | But multichannel electricity energy measurement device of modularization extension |
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| CN201520753003.2U CN204989313U (en) | 2015-09-28 | 2015-09-28 | But multichannel electricity energy measurement device of modularization extension |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182020A (en) * | 2015-09-28 | 2015-12-23 | 南方电网科学研究院有限责任公司 | Multipath electric energy metering device capable of being modularly extended and metering method |
| CN105929223A (en) * | 2016-04-07 | 2016-09-07 | 华电电力科学研究院 | Measurement system enabling centralized acquisition and distributed display and measurement method |
| CN109633261A (en) * | 2019-01-02 | 2019-04-16 | 西安金指针电子技术有限公司 | A kind of modularization multiloop metering system with communication function |
| CN109856452A (en) * | 2019-01-14 | 2019-06-07 | 杭州锐创能源科技有限公司 | Extended pattern power quality data concentrated collection device |
-
2015
- 2015-09-28 CN CN201520753003.2U patent/CN204989313U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182020A (en) * | 2015-09-28 | 2015-12-23 | 南方电网科学研究院有限责任公司 | Multipath electric energy metering device capable of being modularly extended and metering method |
| CN105929223A (en) * | 2016-04-07 | 2016-09-07 | 华电电力科学研究院 | Measurement system enabling centralized acquisition and distributed display and measurement method |
| CN105929223B (en) * | 2016-04-07 | 2018-12-25 | 华电电力科学研究院 | A kind of measurement system and method for measurement of concentrated collection distribution display |
| CN109633261A (en) * | 2019-01-02 | 2019-04-16 | 西安金指针电子技术有限公司 | A kind of modularization multiloop metering system with communication function |
| CN109633261B (en) * | 2019-01-02 | 2022-01-28 | 西安金指针电子技术有限公司 | Modularization multiloop measurement system with communication function |
| CN109856452A (en) * | 2019-01-14 | 2019-06-07 | 杭州锐创能源科技有限公司 | Extended pattern power quality data concentrated collection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |