CN205594044U - Anti -electricity -theft high -pressure electric -energy metering box of prepayment - Google Patents
Anti -electricity -theft high -pressure electric -energy metering box of prepayment Download PDFInfo
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- CN205594044U CN205594044U CN201620325709.3U CN201620325709U CN205594044U CN 205594044 U CN205594044 U CN 205594044U CN 201620325709 U CN201620325709 U CN 201620325709U CN 205594044 U CN205594044 U CN 205594044U
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Abstract
The utility model discloses an anti -electricity -theft high -pressure electric -energy metering box of prepayment, metering circuit in including the batch meter casing and locating the batch meter casing, the metering circuit includes current sensor, voltage sensor, electric energy chip circuit, communication circuit, microprocessor, warning circuit and control circuit, current sensor, voltage sensor and the electric energy chip circuit links to each other, the electric energy chip circuit pass through the SPI serial ports with microprocessor links to each other, microprocessor with communication circuit, warning circuit, control circuit link to each other respectively. The utility model discloses a box structure and circuit structure, overall structure is compact, and the volume has only conventional high -pressure metering device's 13, has easy installation, low -power consumption, with low costs, advantages such as the degree of accuracy is high, informationization, adopts disposable reference numeral seal lock to seal after the whole encapsulation and arranges the high -pressure side in, has fine anti -electricity -theft ability.
Description
Technical field
This utility model relates to Electric Energy Metering Technology field, is specifically related to a kind of pre-charging anti-theft electricity high-voltage electric energy metering box.
Background technology
Along with electrical network just towards bulk power grid, voltage levels, the developing direction of high automatization, related electric equipment is driven to develop towards miniaturization, direction intensive, information-based, intelligentized.In this development, traditional electric power meter, especially on high-tension side, it is widely present structure complicated, the problems such as volume is big, cost is high, installation is inconvenient, function singleness, and the generation of the phenomenon such as measurement error, stealing easily occurs, thus having influence on accuracy of measurement, conventional high-voltage electric-energy meter can not meet the actual operation requirements of power system well.
Summary of the invention
Goal of the invention: for deficiency of the prior art, this utility model provides a kind of pre-charging anti-theft electricity high-voltage electric energy metering box, has pre-payment, anti-electricity-theft function, and certainty of measurement is high.
Technical scheme: pre-charging anti-theft electricity high-voltage electric energy metering box described in the utility model, including batch meter housing and be located at the metering circuit in batch meter housing；Described metering circuit includes current sensor, voltage sensor, electric energy computation chip circuit, telecommunication circuit, microprocessor, warning circuit and control circuit；Described current sensor, voltage sensor are connected with described electric energy computation chip circuit, and electric energy computation chip circuit is connected with described microprocessor by SPI serial ports, and described microprocessor is respectively connected with described telecommunication circuit, warning circuit, control circuit；Electric current, voltage signal that high-pressure side is gathered by described current sensor, voltage sensor are converted into low-voltage signal input and sample to described electric energy computation chip circuit, electric energy process is carried out after described electric energy computation chip circuit sampling, and the signal after processing by SPI Serial Port Transmission to described microprocessor, described microprocessor by described telecommunication circuit carry out electric power signal remote transmission and carry out circuit separating brake when power load exceeds by described control circuit, described warning circuit sends alarm prompt.Being designed by foregoing circuit, when subscriber's line circuit is less than precharging circuit or power load overflow constant volume, warning circuit can send alarm prompt to user, raising electrical safety；Control circuit carries out circuit separating brake, effectively saves energy simultaneously.
Improving technique scheme further, described telecommunication circuit includes ZigBee communication module and GPRS communication module, and described microprocessor is respectively connected with ZigBee communication module, GPRS communication module by SPI serial ports, UART serial ports.Use ZigBee communication module that the use of PDA can be coordinated to realize local communication, use GPRS communication module can receive remote command and perform corresponding operating.
Further, the magnetic core of described current sensor uses iron-base nanometer crystal alloy material；Described voltage sensor is electric resistance partial pressure sensor.Using iron-base nanometer crystal alloy material is the magnetic core of current sensor, it is possible to obtain bigger magnetic field with less exciting current, has efficiency high, and security performance is good, and volume is little, the advantage that energy consumption is low；Volume is little, accuracy is high, simple in construction to use electric resistance partial pressure sensor to have, and electric resistance partial pressure does not exist saturation problem, does not haves ferromagnetic resonance phenomenon yet, it is possible to coordinate with metering device well.
Further, in order to improve the interference free performance of metering, reducing mixing interference, described current sensor, voltage sensor are connected with described electric energy computation chip circuit through RC low pass filter.
Further, described batch meter housing is provided with transparent form and the switching manipulation hole of checking meter, and described batch meter housing uses that disposable label seal is locked to be closed.Transparent form of checking meter is used to facilitate user to visualize inspection ammeter ruuning situation, check meter and stop power transmission；Use that disposable label seal is locked to be closed, it is possible to realize anti-stealing electricity function strongly.
Further.Described batch meter housing uses the corrosion-resistant ferrous material of 1.5mm.Use corrosion-resistant iron material, it is possible to effectively extend its service life.
Beneficial effect: compared with prior art, advantage of the present utility model: this utility model passes through body structure and circuit structure, compact overall structure, volume only has the 1/3 of conventional high-pressure metering device, there is the advantages such as easily installation, low-power consumption, low cost, accuracy are high, information-based, use disposable locked the closing of label seal to be placed in high-pressure side after overall package, there is good anti-electricity-theft ability.
Accompanying drawing explanation
Fig. 1 is contour structures schematic diagram of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model.
Detailed description of the invention
Below by accompanying drawing, technical solutions of the utility model are described in detail.
Embodiment 1 :Pre-charging anti-theft electricity high-voltage electric energy metering box as shown in Figure 1, including batch meter housing 1 and be located at the metering circuit in batch meter housing 1；Batch meter housing 1 is provided with transparent form 2 and the switching manipulation hole 3 of checking meter, and batch meter housing 1 uses that disposable label seal is locked to be closed, and batch meter housing 1 uses the corrosion-resistant ferrous material of 1.5mm.
Metering circuit as shown in Figure 2, including current sensor, electric resistance partial pressure sensor, electric energy computation chip circuit, ZigBee communication module, GPRS communication module, microprocessor, warning circuit and control circuit；The magnetic core of current sensor uses iron-base nanometer crystal alloy material；Voltage sensor is electric resistance partial pressure sensor, current sensor, electric resistance partial pressure sensor are connected with electric energy computation chip circuit through RC low pass filter, electric energy computation chip circuit is connected with microprocessor by SPI serial ports, microprocessor is respectively connected with ZigBee communication module, GPRS communication module by SPI serial ports, UART serial ports, and microprocessor is respectively connected with warning circuit, control circuit by common I/O mouth；Electric current, voltage signal that high-pressure side is gathered by current sensor, electric resistance partial pressure sensor are converted into low-voltage signal input and sample to electric energy computation chip circuit, electric energy process is carried out after electric energy computation chip circuit sampling, and the signal after processing passes through SPI Serial Port Transmission to microprocessor, microprocessor can coordinate the use of PDA to realize local communication by ZigBee communication module, can receive remote command by GPRS communication module and perform corresponding operating；Carry out circuit separating brake when power load exceeds by control circuit, warning circuit sends alarm prompt simultaneously.
Although as it has been described above, represented and described this utility model with reference to specific preferred embodiment, but it shall not be construed as the restriction to this utility model self.Under the spirit and scope premise of the present utility model defined without departing from claims, can various changes can be made in the form and details to it.
Claims (6)
1. a pre-charging anti-theft electricity high-voltage electric energy metering box, including batch meter housing and be located at the metering circuit in batch meter housing；It is characterized in that: described metering circuit includes current sensor, voltage sensor, electric energy computation chip circuit, telecommunication circuit, microprocessor, warning circuit and control circuit；Described current sensor, voltage sensor are connected with described electric energy computation chip circuit, and electric energy computation chip circuit is connected with described microprocessor by SPI serial ports, and described microprocessor is respectively connected with described telecommunication circuit, warning circuit, control circuit；Electric current, voltage signal that high-pressure side is gathered by described current sensor, voltage sensor are converted into low-voltage signal input and sample to described electric energy computation chip circuit, electric energy process is carried out after described electric energy computation chip circuit sampling, and the signal after processing by SPI Serial Port Transmission to described microprocessor, described microprocessor by described telecommunication circuit carry out electric power signal remote transmission and carry out circuit separating brake when power load exceeds by described control circuit, described warning circuit sends alarm prompt.
Pre-charging anti-theft electricity high-voltage electric energy metering box the most according to claim 1, it is characterized in that: described telecommunication circuit includes ZigBee communication module and GPRS communication module, described microprocessor is respectively connected with ZigBee communication module, GPRS communication module by SPI serial ports, UART serial ports.
Pre-charging anti-theft electricity high-voltage electric energy metering box the most according to claim 1, it is characterised in that: the magnetic core of described current sensor uses iron-base nanometer crystal alloy material；Described voltage sensor is electric resistance partial pressure sensor.
Pre-charging anti-theft electricity high-voltage electric energy metering box the most according to claim 1, it is characterised in that: described current sensor, voltage sensor are connected with described electric energy computation chip circuit through RC low pass filter.
Pre-charging anti-theft electricity high-voltage electric energy metering box the most according to claim 1, it is characterised in that: described batch meter housing is provided with transparent form and the switching manipulation hole of checking meter, and described batch meter housing uses that disposable label seal is locked to be closed.
Pre-charging anti-theft electricity high-voltage electric energy metering box the most according to claim 1 or 5, it is characterised in that: described batch meter housing uses the corrosion-resistant ferrous material of 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620325709.3U CN205594044U (en) | 2016-04-18 | 2016-04-18 | Anti -electricity -theft high -pressure electric -energy metering box of prepayment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620325709.3U CN205594044U (en) | 2016-04-18 | 2016-04-18 | Anti -electricity -theft high -pressure electric -energy metering box of prepayment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205594044U true CN205594044U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620325709.3U Expired - Fee Related CN205594044U (en) | 2016-04-18 | 2016-04-18 | Anti -electricity -theft high -pressure electric -energy metering box of prepayment |
Country Status (1)
| Country | Link |
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| CN (1) | CN205594044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771449A (en) * | 2017-01-18 | 2017-05-31 | 河北郎尊电力科技有限公司 | A kind of electrical energy metering tank with anti-theft alarm function |
-
2016
- 2016-04-18 CN CN201620325709.3U patent/CN205594044U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771449A (en) * | 2017-01-18 | 2017-05-31 | 河北郎尊电力科技有限公司 | A kind of electrical energy metering tank with anti-theft alarm function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20210418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |