CN203054081U - A subentry metering device of electricity used in buildings - Google Patents
A subentry metering device of electricity used in buildings Download PDFInfo
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- CN203054081U CN203054081U CN 201220736710 CN201220736710U CN203054081U CN 203054081 U CN203054081 U CN 203054081U CN 201220736710 CN201220736710 CN 201220736710 CN 201220736710 U CN201220736710 U CN 201220736710U CN 203054081 U CN203054081 U CN 203054081U
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- energy meter
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- metering
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Abstract
The utility model discloses a subentry metering device of electricity used in buildings and belongs to the technical field of low-voltage distribution of large public buildings. The device comprises a metering housing (1), a touch screen (2), an input panel (3), a CPU arithmetic device (4), a 485 interface (5) connected with an electric energy meter (10) or an acquiring device (6), a TCP/IP communication port (7) connected with a server (8), and three-phase four-wire binding posts (9) connected with an electricity-using load (11) or the electric energy meter (10). After identifying the characteristics of an inputted circuit system chart, the CPU arithmetic device (4) stores directly-metered circuit parameters of the electricity-using load (11) and indirectly-metered circuit parameters of the electric energy meter (10), and calculates circuit parameters of related circuits. The device has advantages of substantially reducing the number of electric energy meters, reducing construction difficulties, reducing damage of indoor decoration, reducing negative construction influences on normal use of buildings, reducing system initial investment, and properly relaxing restrictions on the requirements of the server and processing software.
Description
Technical field
The utility model belongs to the technical field of large public building low-voltage distribution, relates in particular to realizing that electricity consumption subitem monitoring management carries out a kind of easy building electricity consumption metering separate device of electric-power metering, collection and data remote technical field.
Background technology
Large public building electric system complexity, power consumption is huge, and energy-saving potential is high, and electric power monitoring is the work prerequisite of carrying out power saving management and using electricity wisely.The large public building electricity consumption comprises systems such as illumination, office, power, air-conditioning heating, kitchen food and drink, information machine room, laundry, wherein air conditioner heating system is divided into Cooling and Heat Source and distributing system one-level subitem, and Cooling and Heat Source is divided into secondary subitems such as cold machine, chilled water pump, cooling-water pump, cooling tower, electric boiler, heating water pump again.
A lot of large public building building electric-power metering engineerings are in order to realize the terminal metering of itemizing, and only the single building of several ten thousand square meters has been installed hundreds of piece ammeter, perhaps to the extensive change of circuit.Along with the increase of terminal ammeter, the quantity of collector also increases, and initial cost increases.The engineering construction complexity, construction is transformed and has been destroyed finishing in existing engineering, even has influenced the normal use of building.Because the data volume of gathering is huge, the server process performance must further promote, and the counting statistics of database software also must be strengthened.
The utility model content
At the deficiency of building electric-power metering technology, a kind of simple and easy measuring apparatus that carries calculation function of utility model.This measuring apparatus not only has common electric energy meter to the function of measuring of voltage, electric current, power factor etc., also carries addition subtraction multiplication and division fundamental operation function.Adopt the utility model device, can significantly reduce the quantity of electric energy meter, reduce difficulty of construction, reduce the infringement to interior decoration, reduce construction to building the negative effect of normal use, reduce system's initial cost.Since the minimizing of electric energy meter quantity, the corresponding minimizing of the quantity of collector, and the requirement of server and process software also can suitably be relaxed.
A kind of building electricity consumption metering separate device is characterized in that: comprise metering shell 1, touch-screen 2, input panel 3, CPU arithmetical unit 4,485 interfaces 5 that are connected with electric energy meter 10 or collector 6, the TCP/IP communication port 7 that is connected with server 8 and with usefulness electric loading 11 or electric energy meter 10 three-phase and four-line connection terminals 9.
By touch-screen 2 and the input panel 4 on the metering shell 1, the input circuit system diagram, CPU arithmetical unit 4 is identified, and draws operation rule.After the CPU arithmetical unit 4 identification circuit system diagram features, storage is the metering circuit parameter of electric loading 11 and the circuit parameter of indirect metering electric energy meter 10 directly.After 4 pairs of system diagram feature identifications of CPU arithmetical unit, calculate the circuit parameter of interlock circuit.
Leave 485 interfaces 5 and electric energy meter 10 communications on the metering shell 1, indirectly all circuit parameters such as the voltage of metering electric energy meter 10 meterings, electric current, power, electric weight, power factor (PF).Leave TCP/IP communication port 7 and server 8 communications on the metering shell 1.Connect with electric loading 11 by three-phase and four-line connection terminal 9.
The utility model is connected in the low-voltage circuit by the mode of three-phase and four-line, and metering obtains all circuit parameters such as the voltage, electric current, power, electric weight, power factor (PF) of circuit.
The utility model can be uploaded electric system figure, perhaps by display screen and the self-built electric system figure of input panel.The CPU counter identifies the logical relation of power circuit, calculates the computing publicity between each circuit.The CPU counter can be stored all circuit parameters such as the voltage that is metered into, electric current, power, electric weight, power factor (PF).Also can store data such as the voltage that obtains by computing, electric current, power.
The utility model is given collector by 485 communication ports with above-mentioned data transmission, also can directly be transferred to server by the TCP/IP communication port.
Description of drawings
Fig. 1 is this easy building electricity consumption metering separate device line graph.
Fig. 2 is this easy building electricity consumption metering separate device application example.
Among the figure: 1 metering shell; 2. touch-screen; 3. input panel; 4.CPU arithmetical unit; 5.485 interface; 6. collector; 7. TCP/IP communication port; 8. server; 9. three-phase and four-line connection terminal; 10. electric energy meter; 11. use electric loading.
Embodiment
This electricity consumption metering separate apparatus structure comprises metering shell 1, touch-screen 2, input panel 3, CPU arithmetical unit 4,485 interfaces 5, TCP/IP communication port and three-phase and four-line connection terminal 9.
This electricity consumption metering separate device metering shell 1 leaves 485 interfaces 5 and carries out communication with collector 6.
This electricity consumption metering separate device metering shell 1 leaves TCP/IP communication port 7 and server 8 communications.
This electricity consumption metering separate device metering shell 1 leaves three-phase and four-line connection terminal 9, makes this electricity consumption metering separate device be connected in the circuit, parameters of electric power such as the electric current of metering usefulness electric loading 11, voltage, power, electric weight, power factor.
This electricity consumption metering separate device metering shell 1 leaves 485 interfaces 5 and carries out communication with common electric energy meter 10.
This electricity consumption metering separate device is uploaded circuit system figure by CPU arithmetical unit 4, and perhaps at touch-screen 2 and input panel 3 input circuit system diagrams, CPU arithmetical unit 4 recognition system figure frameworks carry out computing.
This electricity consumption metering separate device CPU arithmetical unit 4 can be stored with parameters of electric power such as the electric current of electric loading 11, voltage, power, electric weight, power factors, can gather the measuring parameter of common electric energy meter 10, also can two kinds the parameter that obtains of approach carry out computing.
Case study on implementation:
As two branches of circuit of Fig. 2, branch electric energy meter 10 of having connected is by 485 interfaces 5 and the communications of this electricity consumption metering separate device.Another branch has connected with electric loading 11.This electricity consumption metering separate device is connected in the bus of circuit by three-phase and four-line connection terminal 9.Three-phase and four-line connection terminal 9 has measured parameters of electric power such as the electric current, voltage, power, electric weight, power factor of bus.This electricity consumption metering separate device has collected parameters of electric power such as the electric current that electric energy meter 10 is monitored, voltage, power, electric weight, power factor by 485 interfaces 5.By CPU arithmetical unit 4, under the operation of touch-screen 2 and input panel 3, identified this using electricity system framework, calculate with power informations such as the electric current of electric loading 11, voltage, power, electricity consumption, power factor (PF)s.Three groups of parameters by 485 interfaces 5, are issued collector 6.
Claims (1)
1. building electricity consumption metering separate device is characterized in that: comprise metering shell (1), touch-screen (2), input panel (3), CPU arithmetical unit (4), 485 interfaces (5) that are connected with electric energy meter (10) or collector (6), the TCP/IP communication port (7) that is connected with server (8) and with usefulness electric loading (11) or electric energy meter (10) three-phase and four-line connection terminal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736710 CN203054081U (en) | 2012-12-27 | 2012-12-27 | A subentry metering device of electricity used in buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736710 CN203054081U (en) | 2012-12-27 | 2012-12-27 | A subentry metering device of electricity used in buildings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054081U true CN203054081U (en) | 2013-07-10 |
Family
ID=48737021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736710 Expired - Lifetime CN203054081U (en) | 2012-12-27 | 2012-12-27 | A subentry metering device of electricity used in buildings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203054081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048537A (en) * | 2012-12-27 | 2013-04-17 | 北京唯绿建筑节能科技有限公司 | Building electricity itemized metering device |
| CN103439573A (en) * | 2013-08-14 | 2013-12-11 | 国家电网公司 | Method and system for identifying household loads based on transient characteristic close degree matching |
-
2012
- 2012-12-27 CN CN 201220736710 patent/CN203054081U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048537A (en) * | 2012-12-27 | 2013-04-17 | 北京唯绿建筑节能科技有限公司 | Building electricity itemized metering device |
| CN103439573A (en) * | 2013-08-14 | 2013-12-11 | 国家电网公司 | Method and system for identifying household loads based on transient characteristic close degree matching |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
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| CX01 | Expiry of patent term |