CN210222100U - Electric energy anti-theft metering device - Google Patents
Electric energy anti-theft metering device Download PDFInfo
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- CN210222100U CN210222100U CN201920515564.7U CN201920515564U CN210222100U CN 210222100 U CN210222100 U CN 210222100U CN 201920515564 U CN201920515564 U CN 201920515564U CN 210222100 U CN210222100 U CN 210222100U
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Abstract
The utility model discloses an electric energy theftproof metering device, theftproof metering device is including installing in the measurement ammeter case that the user inserts the measurement point of detecting electric energy, and this measurement ammeter case includes box and lid and sets up electric energy processing unit, wireless communication module and the light sensor in the box, it is articulated that the hinge is passed through to one side of box and one side of lid, the opposite side of box and the opposite side of lid pass through the electronic lock and connect, are provided with two-dimensional code identification member on the surface of lid, wireless communication module and light sensor respectively with electric energy processing unit connects. The utility model discloses a theftproof metering device can effectually prevent to open under the condition of lid by force and prevent burglary, can prevent effectively that the theft incident from taking place, and the human-computer interaction of field application is convenient, has improved the reliability and the stability of remote measurement, has guaranteed metering device's normal messenger.
Description
Technical Field
The utility model belongs to the technical field of the electric energy measurement monitoring, especially, relate to an electric energy theftproof metering device.
Background
Nowadays, the problem of energy shortage has attracted attention of all countries in the world, and electric energy is used as energy for people concerned with the national planning, and particularly, the electric energy is in shortage and has huge power utilization gaps every year; along with the rapid development of national economy, the demand of people on electric energy is more and more large, and in order to place economic benefits at the top position of many individuals or enterprises, electricity stealing is taken as a means for reducing cost and gaining violence, and the electricity stealing means is more and more concealed, so that not only is serious threat brought to safe electricity utilization in the electricity stealing process, but also some electric power equipment can be damaged and stolen, thereby causing great influence to the electricity utilization of normal work and life of people, and causing great economic loss to a power supply system; therefore, how to effectively prevent the electricity stealing in power distribution metering is an important problem to be solved urgently by the current power supply department, so as to effectively monitor the power quality of the power supply box and the power supply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric energy theftproof metering device, the utility model discloses a theftproof metering device can effectually prevent to open under the condition of lid by force and prevent burglary, can prevent effectively that the theft incident from taking place, and the human-computer interaction of field application is convenient, has improved the reliability and the stability of long-range measurement, has guaranteed metering device's normal messenger. In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to the utility model discloses an aspect provides an electric energy theftproof metering device, theftproof metering device is including installing in the measurement ammeter case that the user inserts the measurement point of measuring electric energy, and this measurement ammeter case includes box and lid and sets up electric energy processing unit, wireless communication module and the light sensor in the box, it is articulated through the hinge in one side of box and one side of lid, the opposite side of box and the opposite side of lid pass through the electronic lock and connect, are provided with the two-dimensional code identification piece on the surface of lid, wireless communication module and light sensor respectively with electric energy processing unit connects.
Preferably, the electric energy processing unit comprises a voltage transformer, a current transformer, a voltage conversion circuit, a current conversion circuit, an electric energy metering module, a trigger control circuit and a data processing module, the input end of the voltage transformer and the input end of the current transformer are respectively connected with the electric energy metering point, the output end of the voltage transformer is connected with the voltage input end of the electric energy metering module through a voltage conversion circuit, the output end of the current transformer is respectively connected with the control input end of the trigger control circuit, the output end of the trigger control circuit is connected with the current input end of the electric energy metering module through a current conversion circuit, the control end of the trigger control circuit is connected with the control end of the data processing module, the output end of the electric energy metering module is connected with the input end of the data processing module, and the wireless communication module and the illumination sensor are respectively connected with the data processing module.
Preferably, the trigger control circuit comprises a thyristor G1 and a photoelectric coupler G2, the output end of the current transformer is connected with the anode of the thyristor G1, the cathode of the thyristor G1 is connected with the current input end of the electric energy metering module through a current conversion circuit, and the control electrode of the thyristor G1 is connected with the data processing module through the photoelectric coupler G2.
Preferably, the wireless communication module includes a near-end wireless communication module and a far-end wireless communication module, and the near-end wireless communication module and the far-end wireless communication module are respectively connected to the data processing module.
Further preferably in the foregoing scheme, the near-end wireless communication module is a bluetooth communication module or an NFC communication module, the data processing module is an STM32F407ZGT6 processor, and the far-end wireless communication module is a GPRS remote wireless transmission module or a 4G wireless transmission module.
In a further preferred embodiment of the above-mentioned solution, the anti-theft metering device further includes the data display unit and the alarm unit, and the data display unit and the alarm unit are respectively connected to the data processing module.
To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:
(1) the utility model discloses a metering device mutually supports through setting up two-dimensional code identification piece, wireless communication module and data processing module for maintainer can carry out the unblock with metering device's lid behind the scanning two-dimensional code identification piece, can effectually prevent to carry out the theftproof under the condition of opening the lid by force, can prevent effectively that the theft incident from taking place.
(2) The utility model has the advantages of simple and practical structure, with low costs, theftproof electric property is good, has avoided the strapping table case to suffer the damage, and the human-computer interaction of field application is convenient moreover, has improved the reliability and the stability of long-range measurement, has guaranteed metering device's normal use.
(3) The utility model can rapidly sample the electric energy of the subscriber line, rapidly and safely complete the phase unbalance adjustment of current and voltage and accurate measurement analysis processing; the utility model discloses sample and measure every electric energy measurement point department electric energy to upload the information of measuring to the main website and carry out remote monitoring, realized measuring detection, real-time supervision to every user's of distribution electric quantity.
Drawings
Fig. 1 is a schematic structural diagram of an electric energy anti-theft metering device of the present invention;
FIG. 2 is a schematic diagram of an electrical energy processing unit of the present invention;
fig. 3 is a schematic circuit diagram of the voltage conversion circuit and the current conversion circuit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1 and 2, according to an aspect of the present invention, there is provided an electric energy anti-theft measuring device, the anti-theft measuring device comprises a measuring electric meter box 100 installed at a measuring point where a user accesses to detect electric energy, the measuring electric meter box 100 comprises a box body 1 and a cover body 2, and an electric energy processing unit 3, a wireless communication module 4, a light sensor 5, a data display unit and an alarm unit arranged in the box body 1, one side of the box body 1 and one side of the cover body 2 are hinged by a hinge, the other side of the box body 1 and the other side of the cover body 2 are connected by an electronic lock 6, a two-dimensional code identification member 7 is arranged on the surface of the cover body 2, the wireless communication module 4 and the light sensor 5 are respectively connected with the electric energy processing unit 3, the data display unit and the alarm unit are respectively connected with the data processing module, the alarm unit is an audible and visual alarm.
In the present invention, as shown in fig. 2, the electric energy processing unit 3 includes a voltage transformer, a current transformer, a voltage conversion circuit, a current conversion circuit, an electric energy metering module, a trigger control circuit and a data processing module, wherein the input terminal of the voltage transformer and the input terminal of the current transformer are respectively connected to the electric energy metering point, the output terminal of the voltage transformer is connected to the voltage input terminal of the electric energy metering module through the voltage conversion circuit, the output terminal of the current transformer is respectively connected to the control input terminal of the trigger control circuit, the output terminal of the trigger control circuit is connected to the current input terminal of the electric energy metering module through the current conversion circuit, the control terminal of the trigger control circuit is connected to the control terminal of the data processing module, the output terminal of the electric energy metering module is connected to the input terminal of the data processing module, the wireless communication module 4 and the illumination sensor 5 are respectively connected with the data processing module; the trigger control circuit comprises a controlled silicon G1 and a photoelectric coupler G2, the output end of the current transformer is connected with the anode of the controlled silicon G1, the cathode of the controlled silicon G1 is connected with the current input end of the electric energy metering module through a current conversion circuit, the control pole of the controlled silicon G1 is connected with the data processing module through the photoelectric coupler G2, a trigger signal is output through the data processing module, the trigger signal controls the on-off of the controlled silicon G1 through the photoelectric coupler G2, and the photoelectric coupler G2 plays a good role in isolation so as to prevent the data processing module from being electrically damaged in the working process; the wireless communication module 4 comprises a near-end wireless communication module and a far-end wireless communication module, and the near-end wireless communication module and the far-end wireless communication module are respectively connected with the data processing module; the near-end wireless communication module is a Bluetooth communication module or an NFC communication module, the data processing module is an STM32F407ZGT6 processor, and the far-end wireless communication module is a GPRS remote wireless transmission module or a 4G wireless transmission module. In the utility model, the electric energy metering module sends the collected and processed data into the data processing module and analyzes and processes the metering data, then the data are uploaded to the main station and stored and transmitted metering data are stored in real time, so as to carry out unified calculation, analysis and charging management on the metering data, the main station feeds back the data to the data processing module according to the data analysis result, sends out an instruction to control the electric energy metering point accessed and detected by a user aiming at abnormal conditions (the abnormal conditions mainly comprise power supply factors such as electricity theft and overlarge load), and then alarms through the alarm unit and controls and adjusts the working running state of the alarm unit, thereby the main station can carry out remote management, electric quantity monitoring, equipment protection and the like on the user, when the detected electric energy is overlarge, the power supply line is automatically cut off, the overlarge load in the power supply line is prevented, and under the premise that the electric energy metering point accessed and detected by the user normally, the aims of saving energy, reducing consumption and monitoring are achieved as far as possible. The utility model discloses in, voltage transformer and current transformer are respectively to voltage and current sampling on the subscriber line and send into electric energy metering module, electric energy metering module handles the result and sends to data processing module and carries out the agreement analysis, the electric energy calculates, the period, electric energy metering information such as rate is accumulatively counted and is calculated, and show through the data display unit, the data display unit is used for showing the electric energy data of gathering and is supplied the user to look over, alright learn user's power consumption information, the user can in time the power consumption condition, the degree of difficulty that power consumption inquiry, the inquiry of charges of electricity, the remaining amount of money of meter inquiry etc. has been reduced; the data processing module carries out analysis processes and can trigger control signal through silicon controlled rectifier G1 and optoelectronic coupler G2 to can carry out switching operation and operating condition protection to the electric energy metering module, the data processing module is with the electric energy data of calculation processing through uploading to the main website, the fortune dimension personnel of main website can issue the order and carry out the power failure operation to the user.
In the present invention, as shown in fig. 2 and fig. 3, the current converting circuit includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1, a capacitor C2, and a capacitor C3, and the voltage converting circuit includes a resistor R8, a resistor R9, a variable resistor R10, a resistor R11, and a capacitor C4; the first output end of the current transformer is connected with the anode of the thyristor G1, the cathode of the thyristor G1 is respectively connected with one end of a resistor R1, one end of a resistor R2 and one end of a resistor R4, the second output end of the current transformer is respectively connected with the other end of a resistor R1, one end of a resistor R3 and one end of a resistor R5, the other end of a resistor R4 is respectively connected with one end of a capacitor C1 and one end of a resistor R6, the other end of a resistor R5 is respectively connected with one end of a capacitor C2 and one end of a resistor R7, the other end of a resistor R6 is connected with the first voltage input end of the electric energy metering module, the other end of the resistor R7 is connected with the second voltage input end of the electric energy metering module, the output end of the voltage transformer is respectively connected with one end of a resistor R8 and one end of a resistor R9, and the other end of the resistor R6 is respectively connected with one end of a resistor R46, One end of the capacitor C4 is connected with the current input of the electric energy metering module; each user is connected to the corresponding measuring detection point at the electric energy measuring point of the detection, and the voltage division of the sampling voltage can be changed by adjusting the resistance value of the variable resistor R10; the electric energy metering module adopts an HLW8112 metering chip to directly read related parameters such as voltage, current, power, phase, electric energy and the like, the current transformer samples the current in the line, outputs two paths of balanced differential voltage to a first pin and a second pin of an electric energy metering module U1(HLW8112 metering chip U1) through a current conversion circuit, adopts differential signals to sample so as to reduce the error of sampling, a balance resistor is connected in series at a corresponding phase voltage interface end of the HLW8112 metering chip U1, a ceramic capacitor C1 and a capacitor C2 are connected into a reference ground plane to form a low-pass filter for filtering out higher harmonic interference, the influence of high-frequency harmonic waves on the metering data in the line can be effectively prevented, so that the phenomena of transient current, overvoltage, higher harmonic waves and the like are suppressed, and the advantages of high anti-interference capability, high-voltage impact resistance, stable performance, long service life and the like are improved; the voltage transformer samples the voltage in the line, performs voltage division regulation, current limiting protection and filtering through the voltage conversion circuit, and sends the divided current to a fifth pin of the electric energy metering module U1; the utility model discloses in, the current conversion circuit of every user's electric energy meter point carries out information collection and analysis processing to various electric quantities such as current loop voltage, electric current, power, phase place, power factor of every user's power supply line, transmits the result of information collection and analysis processing to the main website through distal end wireless communication module and carries out remote metering, can measure detection and real-time supervision to every user's of distribution electric quantity to realize that the user independently times the electric energy of use and measure.
A maintainer scans a two-dimensional code identification piece 7 through a mobile phone APP, establishes communication connection with the near-end wireless communication module and the data processing module through a mobile phone Bluetooth communication module or an NFC communication module, and outputs an unlocking signal through the data processing module to unlock the electronic lock 6, wherein the two-dimensional code identification piece 7 is used for logging in a terminal identification code of a master station and generating unlocking instruction password information of the electronic lock 6; the wireless communication module 4 is used for transmitting unlocking instruction password information to the master station, the master station verifies whether the ID identity number and the unlocking instruction password information of the maintainer are matched with the pre-stored ID identity number and the password of the metering electricity meter box 100, the mobile phone of the maintainer receives the locking instruction password information transmitted by the master station under the condition of consistent matching, the locking instruction password information is transmitted to the data processing module through the near-end wireless communication module, the data processing module executes unlocking action after receiving the unlocking instruction password information, when a user forcibly opens the cover body 2, the data processing module does not receive any unlocking instruction, at the moment, due to the change of the light intensity in the box body 1, the illumination sensor 5 senses the light intensity of the environment and outputs an unlocking signal to the data processing module and judges that the unlocking signal is abnormal unlocking operation, and the alarm unit simultaneously starts alarm prompt, and send the abnormal alarm signal of unpacking to the main website through the far-end wireless communication module, data processing module output triggering signal makes silicon controlled rectifier G1 break off and stop the power supply, and the suggestion has the action of stealing the electricity, does not have electric output on the power supply line to make the person of stealing the electricity can not steal the electricity, also prevented that electric energy processing unit 3 and other operating circuit in box 1 from working under naked situation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An electric energy anti-theft metering device is characterized in that: the anti-theft metering device comprises a metering electric meter box which is installed at a metering point of a user access detection electric energy, the metering electric meter box comprises a box body, a cover body and an electric energy processing unit, a wireless communication module and an illumination sensor which are arranged in the box body, one side of the box body and one side of the cover body are hinged through a hinge, the other side of the box body and the other side of the cover body are connected through an electronic lock, a two-dimensional code identification piece is arranged on the surface of the cover body, and the wireless communication module and the illumination sensor are respectively connected with the electric energy processing unit.
2. The electric energy anti-theft metering device according to claim 1, characterized in that: the electric energy processing unit comprises a voltage transformer, a current transformer, a voltage conversion circuit, a current conversion circuit, an electric energy metering module, a trigger control circuit and a data processing module, the input end of the voltage transformer and the input end of the current transformer are respectively connected with the electric energy metering point, the output end of the voltage transformer is connected with the voltage input end of the electric energy metering module through a voltage conversion circuit, the output end of the current transformer is respectively connected with the control input end of the trigger control circuit, the output end of the trigger control circuit is connected with the current input end of the electric energy metering module through a current conversion circuit, the control end of the trigger control circuit is connected with the control end of the data processing module, the output end of the electric energy metering module is connected with the input end of the data processing module, and the wireless communication module and the illumination sensor are respectively connected with the data processing module.
3. The electric energy anti-theft metering device according to claim 2, characterized in that: trigger control circuit includes silicon controlled rectifier G1 and optoelectronic coupler G2, current transformer's output with silicon controlled rectifier G1's positive pole is connected, silicon controlled rectifier G1's negative pole pass through current conversion circuit with the current input end of electric energy metering module is connected, silicon controlled rectifier G1's control pole pass through optoelectronic coupler G2 with the data processing module is connected.
4. The electric energy anti-theft metering device according to claim 2, characterized in that: the wireless communication module comprises a near-end wireless communication module and a far-end wireless communication module, and the near-end wireless communication module and the far-end wireless communication module are respectively connected with the data processing module.
5. The electric energy anti-theft metering device according to claim 4, characterized in that: the near-end wireless communication module is a Bluetooth communication module or an NFC communication module, the data processing module is an STM32F407ZGT6 processor, and the far-end wireless communication module is a GPRS remote wireless transmission module or a 4G wireless transmission module.
6. The electric energy anti-theft metering device according to claim 2, characterized in that: the anti-theft metering device also comprises a data display unit and an alarm unit, wherein the data display unit and the alarm unit are respectively connected with the data processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515564.7U CN210222100U (en) | 2019-04-16 | 2019-04-16 | Electric energy anti-theft metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515564.7U CN210222100U (en) | 2019-04-16 | 2019-04-16 | Electric energy anti-theft metering device |
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| Publication Number | Publication Date |
|---|---|
| CN210222100U true CN210222100U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515564.7U Expired - Fee Related CN210222100U (en) | 2019-04-16 | 2019-04-16 | Electric energy anti-theft metering device |
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| Country | Link |
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| CN (1) | CN210222100U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179421A (en) * | 2020-10-30 | 2021-01-05 | 重庆源一科技有限公司 | Kitchen oil smoke multi-parameter online monitoring system |
| CN112730939A (en) * | 2020-12-17 | 2021-04-30 | 广东电网有限责任公司佛山供电局 | Electricity larceny prevention device of electric energy meter terminal box |
| GB2618153A (en) * | 2022-04-29 | 2023-11-01 | Deer Tech Limited | A device |
-
2019
- 2019-04-16 CN CN201920515564.7U patent/CN210222100U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179421A (en) * | 2020-10-30 | 2021-01-05 | 重庆源一科技有限公司 | Kitchen oil smoke multi-parameter online monitoring system |
| CN112730939A (en) * | 2020-12-17 | 2021-04-30 | 广东电网有限责任公司佛山供电局 | Electricity larceny prevention device of electric energy meter terminal box |
| GB2618153A (en) * | 2022-04-29 | 2023-11-01 | Deer Tech Limited | A device |
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Granted publication date: 20200331 |
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