CN205091372U - Multiloop independently measures electric energy meter - Google Patents

Multiloop independently measures electric energy meter Download PDF

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Publication number
CN205091372U
CN205091372U CN201520922567.4U CN201520922567U CN205091372U CN 205091372 U CN205091372 U CN 205091372U CN 201520922567 U CN201520922567 U CN 201520922567U CN 205091372 U CN205091372 U CN 205091372U
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electric energy
processing unit
central processing
multiloop
energy meter
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杜久彬
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Chengdu Zhonghengtong Technology Co Ltd
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Chengdu Zhonghengtong Technology Co Ltd
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Abstract

The embodiment of the utility model provides a multiloop independently measures electric energy meter belongs to electric energy measurement technical field. The system includes central processing unit, central processing unit is connected with power, display device, storage device, auxiliary device respectively, communication device is the same with a plurality of structures and mutually independent metering device, metering device is used for gathering electric quantity signal and will the electric quantity signal conveying extremely central processing unit, central processing unit be used for with electric quantity signal converts to with electric quantity data and adjusts the charges of electricity, storage device is used for the storage with electric quantity data with the charges of electricity, communication device be used for with convey to host computer and receipt with electric quantity data the instruction that the host computer was issued. Through the utility model discloses, can realize smoothly adjusting the manufacturing cost of the effective lowering system of ability and the stability that improves the system to the subitem measurement and the charges of electricity of electric energy.

Description

A kind of multiloop independent measure electric energy meter
Technical field
The utility model relates to electric energy measurement technical field, in particular to a kind of multiloop independent measure electric energy meter.
Background technology
State Grid Corporation of China proposes residential electricity information to each provincial electric power company, the requirement that each plant stand electric energy data realizes " all standing, full collection ".According to the requirement of State Grid Corporation of China, company of each province progressively need strengthen the management and control dynamics to all kinds of plant stand, to its, electricity sales amount, the real time data information such as power supply reliability all fully understand, are beneficial to the business circumstance comprehensively grasping each Utilities Electric Co..
Advocate energy-conservation now, a kind of trend is just being become to the metering separate of electric energy.People mainly utilize electric energy meter to measure the electricity consumption number of degrees and to adjust the electricity charge, and electric energy meter generally popular on market, only have a measurement loop, namely only have a total electricity consumption, therefore only have an electricity consumption account.Independent measure and the independent requirement of charging of the socket to a room, illumination, air conditioning electricity cannot be met.
Utility model content
The object of the utility model embodiment is to provide a kind of multiloop independent measure electric energy meter, is intended to effectively improve the problems referred to above.
The utility model embodiment is achieved in that
First aspect, the utility model embodiment provides a kind of multiloop independent measure electric energy meter, comprise central processing unit, described central processing unit is connected to power supply, display device, memory storage, servicing unit, the measuring apparatus that communicator is identical and separate with multiple structure, described measuring apparatus is for gathering electric quantity signal and described electric quantity signal being sent to described central processing unit, described central processing unit is used for converting described electric quantity signal to power consumption data and adjusting the electricity charge, described memory storage is for storing described power consumption data and the described electricity charge, the instruction that described communicator issues with the described host computer of reception for described power consumption data being sent to host computer.
In conjunction with first aspect, the utility model embodiment provides the first possibility embodiment of first aspect, and wherein, the transforming circuit that described power supply comprises feed circuit and is connected with described feed circuit, described transforming circuit is connected with described central processing unit.
In conjunction with first aspect, the utility model embodiment provides the second possibility embodiment of first aspect, wherein, described measuring apparatus comprises voltage transformer (VT), current transformer, low-power signal modulate circuit and electric energy computation chip, described voltage transformer (VT) and described current transformer are all connected with described low-power signal modulate circuit, described low-power signal modulate circuit is connected with described electric energy computation chip, and described electric energy computation chip is connected to described central processing unit.
In conjunction with the second possibility embodiment of first aspect, the utility model embodiment provides the third possibility embodiment of first aspect, wherein, described voltage transformer (VT) and described current transformer include a winding and Secondary Winding, and the Secondary Winding of described voltage transformer (VT) is all connected with described low-power signal modulate circuit with the Secondary Winding of described current transformer.
In conjunction with first aspect, the utility model embodiment provides the 4th kind of possibility embodiment of first aspect, and wherein, described display device comprises liquid crystal display, described liquid crystal display is connected with described central processing unit, for showing described power consumption data and the described electricity charge.
In conjunction with first aspect, the utility model embodiment provides the 5th kind of possibility embodiment of first aspect, and wherein, described communicator comprises 485 devices, M-BUS device, WiFi device and Zigbee device.
In conjunction with first aspect, the utility model embodiment provides the 6th kind of possibility embodiment of first aspect, and wherein, described servicing unit comprises voice output circuit, described voice output circuit is connected with loudspeaker, and described voice output circuit is connected with described central processing unit.
In conjunction with the 6th kind of possibility embodiment of first aspect, the utility model embodiment provides the 7th kind of possibility embodiment of first aspect, and wherein, described servicing unit also comprises the anti-theft circuit be connected with described central processing unit.
In conjunction with the 7th kind of possibility embodiment of first aspect, the utility model embodiment provides the 8th kind of possibility embodiment of first aspect, wherein, the alarm buzzer that described anti-theft circuit comprises antitheft inductor and is connected with described antitheft inductor, described antitheft inductor is connected with described central processing unit.
In conjunction with first aspect, the utility model embodiment provides the 9th kind of possibility embodiment of first aspect, and wherein, described central processing unit is single-chip microcomputer.
The multiloop independent measure electric energy meter that the utility model embodiment provides, owing to introducing separate measurement loop, achieve the function of an ammeter when multiple ammeter, successfully can realize the metering separate to electric energy and electricity charge accounting, effectively can reduce the manufacturing cost of system and improve the stability of system.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore should not be viewed as the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The entire block diagram of a kind of multiloop independent measure electric energy meter that Fig. 1 provides for the utility model embodiment;
The knot connection diagram of a kind of power supply that Fig. 2 provides for the utility model embodiment and central processing unit;
The connection diagram of a kind of measuring apparatus that Fig. 3 provides for the utility model embodiment and central processing unit;
The structured flowchart of a kind of servicing unit that Fig. 4 provides for the utility model embodiment;
The structured flowchart of a kind of communicator that Fig. 5 provides for the utility model embodiment.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Advocate energy-conservation now, a kind of trend is just being become to the metering separate of electric energy.People mainly utilize electric energy meter to measure the electricity consumption number of degrees and to adjust the electricity charge, and electric energy meter generally popular on market, only have a measurement loop, namely only have a total electricity consumption, therefore only have an electricity consumption account.Independent measure and the independent requirement of charging of the socket to a room, illumination, air conditioning electricity cannot be met.
Based on above-mentioned research, the utility model embodiment discloses a kind of multiloop independent measure electric energy meter, comprise central processing unit 101, described central processing unit 101 is connected to power supply 102, display device 104, memory storage 106, servicing unit 105, the measuring apparatus 103 that communicator 107 is identical and separate with multiple structure, described measuring apparatus 103 is for gathering electric quantity signal and described electric quantity signal being sent to described central processing unit 101, described central processing unit 101 is for converting described electric quantity signal to power consumption data and adjusting the electricity charge, described memory storage 106 is for storing described power consumption data and the described electricity charge, the instruction that described communicator 107 issues with the described host computer of reception for described power consumption data being sent to host computer.
As preferably, described power supply 102 is connected to electric main, and the 220V voltage on electric main is carried out transformation process, and provide electric energy to described central processing unit 101, and described central processing unit 101 provides electric energy by driving circuit to remaining device, meanwhile, described central processing unit 101 is also built-in with lithium battery, so that when there is powering-off state, the stable operation of system also can be ensured.And the collection of electric power data mainly utilizes multiple structure to communicate and the measuring apparatus 103 be mutually independent realizes, described measuring apparatus 103 can read electric quantity signal respectively, and described electric quantity signal is sent to described central processing unit 101, described measuring apparatus 103 achieves the independence of electric quantity data chain, closure and the digitizing of continuous data can be kept, thus improve the measuring accuracy of system.The signal that described measuring apparatus 103 exports is pulse signal, and after described central processing unit 101 receives described pulse signal, first corresponding power consumption data are translated into, and to power consumption data analysis and calculating, draw the power consumption parameter of needs, such as accumulative power consumption, of that month power consumption, cumulative spend amount, of that month spending amount, user balance etc.On the other hand, the normal operation of system is responsible for by described central processing unit 101, and controls all the other devices by peripheral circuit, ensures the stable realization of systemic-function.Described display device 104 is then for showing described power consumption parameter, the final data etc. that described memory storage 106 calculates for the intermediate data that stores described central processing unit 101 and produce in computation process and longer-term storage temporarily, described servicing unit 105 mainly completes some special functions to be added, described communicator 107 is for setting up the stable contact between host computer and described system, the validity and reliability of speeding up data transmission, the time interval that described communicator 107 receives the backward power reference value that host computer issues is 5-30 minute.
By the utility model, successfully can realize the metering separate to electric energy and electricity charge accounting, effectively can reduce the manufacturing cost of system and improve the stability of system.
Further, the transforming circuit 201 that described power supply 102 comprises feed circuit 202 and is connected with described feed circuit 202, described transforming circuit 201 is connected with described central processing unit 101.
As preferably, electric energy on electric main is incorporated on described feed circuit 202 by power supply 102 introducing device by described system, one end of described power supply 102 introducing device is connected to described electric main, the other end is connected to described feed circuit 202, described transforming circuit 201 is connected to described feed circuit 202, can produce the voltage of+5V ,+3.3V and+12V and be supplied to described central processing unit 101 by described transforming circuit 201.
Wherein, described measuring apparatus 103 comprises voltage transformer (VT) 301, current transformer 302, low-power signal modulate circuit 303 and electric energy computation chip 304, described voltage transformer (VT) 301 is all connected with described low-power signal modulate circuit 303 with described current transformer 302, described low-power signal modulate circuit 303 is connected with described electric energy computation chip 304, and described electric energy computation chip 304 is connected to described central processing unit 101.
As preferably, described current transformer 302 is copper-manganese sheet, described voltage transformer (VT) 301 and described current transformer 302 utilize the collection of electromagnetic coupled principle to flow through electric quantity signal corresponding in wire, and described electric quantity signal is sent to described low-power signal modulate circuit 303, described electric power signal is transformed into the scope that applicable described electric energy computation chip 304 gathers, described electric energy computation chip 304 is connected with described central processing unit 101 by SPI communication interface, and the continuous data exported is transferred to described central processing unit 101.
Further, described voltage transformer (VT) 301 and described current transformer 302 include a winding and Secondary Winding, and the Secondary Winding of described voltage transformer (VT) 301 is all connected with described low-power signal modulate circuit 303 with the Secondary Winding of described current transformer 302.
The reason of such connection is that the output of Secondary Winding is the electric quantity signal of low pressure, the output of a winding is the electric quantity signal of high pressure, and described low-power signal modulate circuit 303 can only be connected with low-voltage signal, not so can be burned.
Further, described display device 104 comprises liquid crystal display, and described liquid crystal display is connected with described central processing unit 101, and for showing described power consumption data and the described electricity charge, person easy to use reads.
Embodiment 2
The device that the utility model embodiment provides, its technique effect realizing principle and generation is identical with preceding method embodiment, is concise and to the point description, and the not mentioned part of device embodiment part can with reference to corresponding contents in preceding method embodiment.
Described communicator 107 comprises 485 devices 601, M-BUS device 602, WiFi device 603 and Zigbee device 604.
Described communicator 107 is by can establishing a communications link with main website with upper type and reliably transmitting data efficiently.
Described communicator 107 comprises three large functions: set up communication channel, data report and issue with instruction.
As preferably, when user is due to after arrearage causes power failure, described host computer then sends Customs Assigned Number with above-mentioned communication mode to described multiloop independent measure electric energy meter, user's name, safety at power cut information, user profile is transmitted to main website electric energy meter by described multiloop independent measure electric energy meter, and Customs Assigned Number checked by main website electric energy meter, user's name essential information, after determining user profile, the unified power consumption data collected in described multiloop independent measure electric energy meter of inquiry, electric quantity data is gathered according to user, the residue electricity charge that the actual electrovalence policy performed calculates, confirm really due to arrearage have a power failure and be eager recover power transmission user after, reclosing command is issued to power consumption information acquisition system, power consumption information acquisition system by combined floodgate order remote transmission to electric energy meter load-control equipment, show information by electric energy meter load-control equipment and control user's main switch, complete feed motion, restore electricity 24 hours to user, after power transmission success, electric energy meter load-control equipment is to power information acquisition system feedback power transmission successful information, main website electric energy meter is fed back to again by power information acquisition system, finally inform that user has recovered the notice of electricity consumption.
Embodiment 3
The device that the utility model embodiment provides, its technique effect realizing principle and generation is identical with preceding method embodiment, is concise and to the point description, and the not mentioned part of device embodiment part can with reference to corresponding contents in preceding method embodiment.
Described servicing unit 105 comprises voice output circuit 503, and described voice output circuit 503 is connected with loudspeaker 504, and described voice output circuit 503 is connected with described central processing unit 101.
Described servicing unit 105 also comprises the anti-theft circuit be connected with described central processing unit 101.
Further, the alarm buzzer 502 that described anti-theft circuit comprises antitheft inductor 501 and is connected with described antitheft inductor 501, described antitheft inductor 501 is connected with described central processing unit 101.
Such security that can ensure described multiloop independent measure electric energy meter.
Meanwhile, described central processing unit 101 is single-chip microcomputer.Wherein, the integrated level of single-chip microcomputer is high, and cost is low, and has the function of the various data of Intelligent treatment.
The multiloop independent measure electric energy meter that the utility model embodiment provides, owing to introducing separate measurement loop, achieve the function of an ammeter when multiple ammeter, successfully can realize the metering separate to electric energy and electricity charge accounting, effectively can reduce the manufacturing cost of system and improve the stability of system.
Obviously, those skilled in the art should be understood that, the function of above-mentioned the utility model embodiment can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable existing program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, functional realiey of the present utility model is not restricted to any specific hardware and software combination.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.

Claims (10)

1. a multiloop independent measure electric energy meter, it is characterized in that, comprise central processing unit, described central processing unit is connected to power supply, display device, memory storage, servicing unit, the measuring apparatus that communicator is identical and separate with multiple structure, described measuring apparatus is for gathering electric quantity signal and described electric quantity signal being sent to described central processing unit, described central processing unit is used for converting described electric quantity signal to power consumption data and adjusting the electricity charge, described memory storage is for storing described power consumption data and the described electricity charge, the instruction that described communicator issues with the described host computer of reception for described power consumption data being sent to host computer.
2. multiloop independent measure electric energy meter according to claim 1, is characterized in that, the transforming circuit that described power supply comprises feed circuit and is connected with described feed circuit, and described transforming circuit is connected with described central processing unit.
3. multiloop independent measure electric energy meter according to claim 1, it is characterized in that, described measuring apparatus comprises voltage transformer (VT), current transformer, low-power signal modulate circuit and electric energy computation chip, described voltage transformer (VT) and described current transformer are all connected with described low-power signal modulate circuit, described low-power signal modulate circuit is connected with described electric energy computation chip, and described electric energy computation chip is connected to described central processing unit.
4. multiloop independent measure electric energy meter according to claim 3, it is characterized in that, described voltage transformer (VT) and described current transformer include a winding and Secondary Winding, and the Secondary Winding of described voltage transformer (VT) is all connected with described low-power signal modulate circuit with the Secondary Winding of described current transformer.
5. multiloop independent measure electric energy meter according to claim 1, it is characterized in that, described display device comprises liquid crystal display, and described liquid crystal display is connected with described central processing unit, for showing described power consumption data and the described electricity charge.
6. multiloop independent measure electric energy meter according to claim 1, is characterized in that, described communicator comprises 485 devices, M-BUS device, WiFi device and Zigbee device.
7. multiloop independent measure electric energy meter according to claim 1, it is characterized in that, described servicing unit comprises voice output circuit, and described voice output circuit is connected with loudspeaker, and described voice output circuit is connected with described central processing unit.
8. multiloop independent measure electric energy meter according to claim 7, is characterized in that, described servicing unit also comprises the anti-theft circuit be connected with described central processing unit.
9. multiloop independent measure electric energy meter according to claim 8, is characterized in that, the alarm buzzer that described anti-theft circuit comprises antitheft inductor and is connected with described antitheft inductor, and described antitheft inductor is connected with described central processing unit.
10. multiloop independent measure electric energy meter according to claim 1, is characterized in that, described central processing unit is single-chip microcomputer.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106066412A (en) * 2016-07-20 2016-11-02 柳州六品科技有限公司 A kind of metering separate intelligent electric energy meter
CN106199178A (en) * 2016-07-20 2016-12-07 柳州六品科技有限公司 A kind of metering separate intelligent electric energy meter resistant to common code interference
CN108985612A (en) * 2018-07-07 2018-12-11 国网福建省电力有限公司 A kind of teams and groups of marketing base professional intellectual ability calculator
CN111650430A (en) * 2020-06-11 2020-09-11 国网山东省电力公司电力科学研究院 Multi-path measuring device and method for resident load

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106066412A (en) * 2016-07-20 2016-11-02 柳州六品科技有限公司 A kind of metering separate intelligent electric energy meter
CN106199178A (en) * 2016-07-20 2016-12-07 柳州六品科技有限公司 A kind of metering separate intelligent electric energy meter resistant to common code interference
CN108985612A (en) * 2018-07-07 2018-12-11 国网福建省电力有限公司 A kind of teams and groups of marketing base professional intellectual ability calculator
CN111650430A (en) * 2020-06-11 2020-09-11 国网山东省电力公司电力科学研究院 Multi-path measuring device and method for resident load

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