CN203324344U - High-frequency strong-magnetic stealing electricity monitoring and recording device - Google Patents
High-frequency strong-magnetic stealing electricity monitoring and recording device Download PDFInfo
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- CN203324344U CN203324344U CN201320388578XU CN201320388578U CN203324344U CN 203324344 U CN203324344 U CN 203324344U CN 201320388578X U CN201320388578X U CN 201320388578XU CN 201320388578 U CN201320388578 U CN 201320388578U CN 203324344 U CN203324344 U CN 203324344U
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Abstract
The utility model discloses a high-frequency strong-magnetic stealing electricity monitoring and recording device. The device is combined and formed by an external strong magnetic detection subcircuit, an external high-frequency interference detection subcircuit, a stealing electricity recording and checking subcircuit, a stealing electricity state latch module, a power supply and a shell of the device. The strong magnetic detection subcircuit is formed through carrying out series connection on a magnetic reed pipe, a resistor and a capacitor successively. The high-frequency interference detection subcircuit is formed through carrying out series connection on an induction antenna, a demodulation diode and an amplification triode successively. The stealing electricity recording and checking subcircuit is formed by two light emitting diodes and one infrared receiving diode. By using the novel device, the high-frequency and strong-magnetic stealing electricity monitoring and recording can be used for an external portion of an instrument so that a normal power supply and consumption order is guaranteed.
Description
Technical field
The utility model relates to a kind of for the electricity consumption monitoring device, particularly a kind of high frequency, strong magnetic stealing monitoring record device.
Background technology
At present, electric system in the Electro-metering measuring instrument, electronic electric energy meter is universal, for high frequency interference stealing and the strong magnetic interference stealing electricity phenomenon of electronic metering table, day by day increases, be badly in need of a kind of monitoring device of electricity theft prevention, to guarantee supplying the normally electricity consumption order; Because high frequency, strong these two kinds of stealing modes of magnetic do not need to open counter box, do not destroy seal, stop leaving no trace after stealing, so it is very large to investigate and prosecute difficulty.
For this high frequency interference stealing, there is the people to develop the devices such as SMS alarm, but, due to the price of several thousand yuan, be difficult to universal the use; The purpose of this utility model is exactly for high frequency interference, strong two kinds of stealing modes of magnetic, designs a kind of principle simple, and high frequency with low cost, strong magnetic stealing monitoring record device are particularly suitable for the universal use of power supply enterprise.
The utility model content
The purpose of this utility model is to provide a kind of high frequency with low cost, strong magnetic stealing monitoring record device, to guarantee supplying the normally electricity consumption order, facilitates power supply enterprise to install universal.
In order to achieve the above object, the utility model provides a kind of high frequency of microminiaturization, strong magnetic stealing monitoring record device, and described device comprises that power supply, a strong magnetic detection circuit, high frequency interference detect a circuit, the stealing record is checked and propped up circuit and stealing state latch module and an external shell; Described device checks that by circuit, a circuit of external high frequency Interference Detection, the stealing record that can carry out strong magnetic detection to gauge external magnetic field the shell combination of a circuit, stealing state latch module, five parts of power supply and device forms; Strong magnetic detects a circuit and is composed in series by magnetic reed tube K1, resistance R 1, capacitor C 1 order, and its two terminations power supply positive and negative terminal connects terminal 10 and the resistance R 2 of stealing state latch module between resistance R 1 and capacitor C 1; High frequency interference detects a circuit and sequentially is composed in series by induction antenna L1, detector diode D4, amplifying triode Q1, the base stage of the negative electrode of diode D4 and triode Q1 is joined, the other end of the collector terminal of triode Q1 and induction antenna L1 connects respectively the positive and negative end of power supply, and the emitter of triode Q1 connects terminal 4 and the resistance R 5 of stealing state latch module; The stealing record checks that a circuit is comprised of 2 light emitting diode D1, D2 and infrared receiving diode D3, its negative electrode is points of common connection, the anode of 2 light emitting diodes joins with the terminal 2,12 of stealing state latch module respectively, and the anode of infrared receiving diode D3 and the negative pole of battery join.
The terminal 11 of stealing state latch module joins through resistance R 3 and the negative pole of power supply, and terminal 4 joins through resistance R 5 and the negative pole of power supply.
Appear diode installed D1, D2 and infrared receiving diode D3 on the housing of device, other component packages is in housing.
Because this device is comprised of cheap chips of employing such as state latch module CD4013, magnetic reed tubes, and the circuit that carries out high frequency, strong magnetic signal detection and record is simple and direct, not only reduced cost, also avoid the disadvantage that adopts CPU can't move under high frequency interference, improved the reliability of device.
The accompanying drawing explanation
Accompanying drawing is high frequency strong magnetic stealing monitoring record device elementary diagram.
Embodiment
Below in conjunction with accompanying drawing, this high frequency strong magnetic stealing monitoring record device is elaborated.
As shown in drawings, for achieving the above object, the high frequency that the utility model provides, strong magnetic stealing monitoring record device, to detect a circuit 4, a strong magnetic detection circuit 1 and stealing record by power supply, stealing state latch module 3, high frequency interference to check a circuit 2, and the shell combination of device formation, power supply can adopt the 3V button battery, for this device provides working power.
Device is provided with the measuring ability that carries out the strong magnetic interference stealing of gauge external, detecting a circuit 1 by strong magnetic realizes, strong magnetic detects a circuit 1 and is composed in series by magnetic reed tube K1, resistance R 1, capacitor C 1 order, its two terminations power supply positive and negative terminal, connect terminal 10 and the resistance R 2 of stealing state latch module 3 between resistance R 1 and capacitor C 1, the optional 200K of R1, the optional 47 μ F of capacitor C 1, magnetic reed tube K1 can select open type; When neighbouring, when high-intensity magnetic field is arranged, the closed conducting of K1, charge to C1 through R1, progressively draws high the voltage of the pin one 0 of latch module 3, and during to trigger voltage, pin one 2 is reversed by low level and is latched in high level, records strong magnetic stealing event; The effect of R1 and C1 is time delay, avoids misoperation.
Device is provided with the measuring ability that carries out the high frequency interference stealing, detecting a circuit 4 by high frequency interference realizes, its physical circuit forms: by induction antenna L1, detector diode D4, amplifying triode Q1 sequentially connects, the base stage of the negative electrode of diode D4 and triode Q1 is joined, the other end of the collector terminal of triode Q1 and induction antenna L1 connects respectively the power supply positive and negative terminal, the emitter of triode Q1 connects terminal 4 and the resistance R 5 of stealing state latch module 3, the optional 2AP series of detector diode D4 in this circuit, frequency of operation is 400MHz, the optional D331 of triode Q1, antenna L1 self manufacture.
The stealing record of device checks that a circuit 2 is comprised of 2 light emitting diode D1, D2 and 1 infrared receiving diode D3, its negative electrode is points of common connection, the anode of 2 light emitting diodes joins with the terminal 2,12 of stealing state latch module respectively, the anode of infrared receiving diode D3 and the negative pole of battery join, D3 can select the infrared induction diode, and D1, D2 are common light emitting diode.
In device, be furnished with clamp resistance R2, R3, R4 and R5, wherein the terminal 11 of stealing state latch module 3 joins through resistance R 3 and the negative pole of power supply, and terminal 4 joins through resistance R 5 and the negative pole of power supply, and the selection of its resistance value matches with state latch module 3.
Device is furnished with shell, with small be convenient to be installed as good, the device housing on appear diode installed D1, D2 and infrared receiving diode D3, other component packages is in housing; Also can not establish shell, be loaded on suitable position in electronic electric energy meter.
Claims (3)
1. a high frequency strong magnetic stealing monitoring record device, comprise power supply, strong magnetic detects a circuit, high frequency interference detects a circuit, circuit and a stealing state latch module checked in the stealing record, it is characterized in that: described monitoring record device is by a circuit (1) that can carry out outside strong magnetic detection, a circuit (4) of external high frequency Interference Detection, a circuit (2) checked in the stealing record, stealing state latch module (3), the shell combination of five parts of power supply and device forms, described strong magnetic detects a circuit (1) by magnetic reed tube K1, resistance R 1, capacitor C 1 order is composed in series, its two terminations power supply positive and negative terminal, connect terminal 10 and the resistance R 2 of stealing state latch module (3) between resistance R 1 and capacitor C 1, described high frequency interference detects a circuit (4) and sequentially is composed in series by induction antenna L1, detector diode D4, amplifying triode Q1, the base stage of the negative electrode of diode D4 and triode Q1 is joined, the other end of the collector terminal of triode Q1 and induction antenna L1 connects respectively the positive and negative end of power supply, and the emitter of triode Q1 connects terminal 4 and the resistance R 5 of stealing state latch module (3), the stealing record checks that a circuit (2) is comprised of 2 light emitting diode D1, D2 and infrared receiving diode D3, its negative electrode is points of common connection, the anode of 2 light emitting diodes joins with the terminal 2,12 of stealing state latch module respectively, and the anode of infrared receiving diode D3 and the negative pole of battery join.
2. high frequency strong magnetic stealing monitoring record device device according to claim 1 is characterized in that: the terminal 11 of described stealing state latch module (3) joins through resistance R 3 and the negative pole of power supply, and terminal 4 joins through resistance R 5 and the negative pole of power supply.
3. high frequency strong magnetic stealing monitoring record device device according to claim 1 is characterized in that: appear diode installed D1, D2 and infrared receiving diode D3 on the housing of device, other component packages is in housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320388578XU CN203324344U (en) | 2013-07-02 | 2013-07-02 | High-frequency strong-magnetic stealing electricity monitoring and recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320388578XU CN203324344U (en) | 2013-07-02 | 2013-07-02 | High-frequency strong-magnetic stealing electricity monitoring and recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203324344U true CN203324344U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320388578XU Expired - Fee Related CN203324344U (en) | 2013-07-02 | 2013-07-02 | High-frequency strong-magnetic stealing electricity monitoring and recording device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203324344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851342A (en) * | 2015-05-19 | 2015-08-19 | 国家电网公司 | Electricity stealing prevention device aiming contact electricity stealing and noncontact electricity stealing |
-
2013
- 2013-07-02 CN CN201320388578XU patent/CN203324344U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851342A (en) * | 2015-05-19 | 2015-08-19 | 国家电网公司 | Electricity stealing prevention device aiming contact electricity stealing and noncontact electricity stealing |
| CN104851342B (en) * | 2015-05-19 | 2018-01-30 | 国家电网公司 | A kind of anti-electricity-theft device for contact stealing and contactless stealing |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160702 |