CN204422619U - Hotness alarm device for avoiding fraudulent using electric - Google Patents
Hotness alarm device for avoiding fraudulent using electric Download PDFInfo
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- CN204422619U CN204422619U CN201520161919.9U CN201520161919U CN204422619U CN 204422619 U CN204422619 U CN 204422619U CN 201520161919 U CN201520161919 U CN 201520161919U CN 204422619 U CN204422619 U CN 204422619U
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Abstract
Hotness alarm device for avoiding fraudulent using electric, belongs to optical field, the utility model be solve the abnormal heat that causes of stealing can the problem of the security incidents such as initiation fire.The utility model comprises microprocessor, SMS module and temperature over-range detecting unit; The temperature over-range signal output part of temperature over-range detecting unit is connected with the temperature over-range signal input part of microprocessor, the instruction output end of microprocessor is connected with the command input of SMS module, and the temperature over-range information of watt-hour meter is sent to designated mobile phone terminal with note form by antenna by SMS module; + 6V direct supply is powered for microprocessor and temperature over-range detecting unit simultaneously; When electricity filching behavior occurs, can cause abnormal heat, when the temperature that TMP03 detects is higher than during to fixed temperature, LED is bright, and instruction Current Temperatures is abnormal, and meanwhile, microprocessor obtains high level as triggering command, drives SMS module to send short messages to designated mobile phone terminal.
Description
Technical field
The utility model relates to a kind of electric energy metrical anti-electricity-theft device, belongs to the anti-electricity-theft field of electric energy.
Background technology
Watt-hour meter is the instrument of electric energy metrical, is the foundation collecting the electricity charge, and according to analysis, electricity filching behavior realizes by attacking watt-hour meter substantially, and main stealing gimmick comprises under-voltage method stealing, the stealing of undercurrent method and phase-shifting method stealing etc.
Traditional anti-electricity-theft mode mainly adopts metering cabinet (case) to add the mode of lead sealing, and the common lead sealing of this mode is easily counterfeit, is also easily opened rear recovery by electricity filching person.
Along with the continuous upgrading of electricity filching means, that opposes electricity-stealing also constantly upgrades for scheme, and the scheme of opposing electricity-stealing more novel in recent years adopts network monitoring remote meter reading.At the power end of every bar distribution line and electricity consumption end, the electric energy meter with remote meter-reading function is all installed, checks meter, by power supply and the power consumption of statistic computation same time period simultaneously, and compare with theory wire loss, if noted abnormalities, then there is measurement problem, then investigate pointedly.This mode is relatively reliable, and be also conducive to improving the management level of Controlling line loss, spatial load forecasting and distribution, but on a distribution line, user is more, find concrete stealing point, workload is still larger.
Following analysis is carried out for three kinds of main stealing modes:
The first is under-voltage method, disconnect the neutral line before watt-hour meter inlet wire, disconnect the neutral line of watt-hour meter outlet simultaneously again, cause the voltage power supply coil of watt-hour meter lose voltage and cannot measure, then utilize a phase line (live line) of watt-hour meter outlet and ground wire to form loop.
The second is phase-shifting method, and before watt-hour meter, termination does not damage vestige, only utilizes a phase line (live line) and all or part of ground wire to replace the neutral line to form loop electricity consumption, causes few quantity calculation.
The third is undercurrent method, and electricity filching person adopts various gimmick deliberately change the normal wiring in metering current loop or deliberately cause metering current loop fault, cause the current coil no current of electric energy meter by or only by portion of electrical current, thus cause electricity to be counted less.
First, second kind of stealing mode all can cause ground wire to flow through big current heating, the security incidents such as the third stealing mode can make the conducting wire great current of short-circuiting percentage generate heat, these abnormal heat meeting initiation fire.
Summary of the invention
The utility model object is the problem that the abnormal heat caused to solve stealing understands the security incidents such as initiation fire, provides a kind of hotness alarm device for avoiding fraudulent using electric.
Hotness alarm device for avoiding fraudulent using electric described in the utility model, it comprises microprocessor, SMS module and temperature over-range detecting unit; The temperature over-range signal output part of temperature over-range detecting unit is connected with the temperature over-range signal input part of microprocessor, the instruction output end of microprocessor is connected with the command input of SMS module, and the temperature over-range information of watt-hour meter is sent to designated mobile phone terminal with note form by antenna by SMS module; + 6V direct supply is powered for microprocessor and temperature over-range detecting unit simultaneously;
Temperature over-range detecting unit comprises NE555 time-base integrated circuit, TMP03 temperature sensor, H11L1M optical coupling isolator, comparer A1, resistance R1, resistance R2, resistance R3, slide rheostat Rp1, electrochemical capacitor C1, electric capacity C2 and LED;
+ 6V direct supply connects the positive pole power supply terminal of 2 pin of TMP03 temperature sensor, one end of resistance R1,6 pin of H11L1M optical coupling isolator, one end of resistance R2, one end of resistance R3,4 pin of NE555 time-base integrated circuit, 8 pin and microprocessor simultaneously;
1 pin of TMP03 temperature sensor connects 2 pin of H11L1M optical coupling isolator, the other end of 1 pin contact resistance R1 of H11L1M optical coupling isolator, the 4 pin other end of contact resistance R2 and the inverting input of comparer A1 simultaneously of H11L1M optical coupling isolator, the in-phase input end of comparer A1 connects a stiff end of slide rheostat Rp1, the output terminal of comparer A1 connects 2 pin of NE555 time-base integrated circuit, and 7 pin of NE555 time-base integrated circuit connect self 6 pin, the other end of resistance R3 and the positive pole of electrochemical capacitor C1 simultaneously; 5 pin of NE555 time-base integrated circuit connect one end of electric capacity C2; The 3 pin anode of connecting luminous diode LED and the temperature over-range signal input part of microprocessor simultaneously of NE555 time-base integrated circuit;
The power supply ground end of microprocessor is the other end of 1 pin of the negative electrode of connecting luminous diode LED, NE555 time-base integrated circuit, electric capacity C2, the negative pole of electrochemical capacitor C1, another stiff end of slide rheostat Rp1 and movable end, 5 pin of H11L1M optical coupling isolator and 3 pin of TMP03 temperature sensor simultaneously, and ground connection.
Advantage of the present utility model: hotness alarm device for avoiding fraudulent using electric structure described in the utility model is simple, when electricity filching behavior occurs, can cause abnormal heat, when the temperature that TMP03 detects is higher than during to fixed temperature, LED is bright, instruction Current Temperatures is abnormal, meanwhile, microprocessor obtains high level as triggering command, drives SMS module to send short messages to designated mobile phone terminal, keeper is known the very first time, and which community user occurs extremely, so that grasp the firsthand information to process electricity filching behavior in time.And effectively avoid causing fire to occur because of circuit abnormal heating.
Accompanying drawing explanation
Fig. 1 is the structural representation of hotness alarm device for avoiding fraudulent using electric described in the utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, hotness alarm device for avoiding fraudulent using electric described in present embodiment, it comprises microprocessor 1, SMS module 2 and temperature over-range detecting unit 3; The temperature over-range signal output part of temperature over-range detecting unit 3 is connected with the temperature over-range signal input part of microprocessor 1, the instruction output end of microprocessor 1 is connected with the command input of SMS module 2, and the temperature over-range information of watt-hour meter is sent to designated mobile phone terminal with note form by antenna by SMS module 2; + 6V direct supply is powered for microprocessor 1 and temperature over-range detecting unit 3 simultaneously;
Temperature over-range detecting unit 3 comprises NE555 time-base integrated circuit, TMP03 temperature sensor, H11L1M optical coupling isolator, comparer A1, resistance R1, resistance R2, resistance R3, slide rheostat Rp1, electrochemical capacitor C1, electric capacity C2 and LED;
+ 6V direct supply connects the positive pole power supply terminal of 2 pin of TMP03 temperature sensor, one end of resistance R1,6 pin of H11L1M optical coupling isolator, one end of resistance R2, one end of resistance R3,4 pin of NE555 time-base integrated circuit, 8 pin and microprocessor 1 simultaneously;
1 pin of TMP03 temperature sensor connects 2 pin of H11L1M optical coupling isolator, the other end of 1 pin contact resistance R1 of H11L1M optical coupling isolator, the 4 pin other end of contact resistance R2 and the inverting input of comparer A1 simultaneously of H11L1M optical coupling isolator, the in-phase input end of comparer A1 connects a stiff end of slide rheostat Rp1, the output terminal of comparer A1 connects 2 pin of NE555 time-base integrated circuit, and 7 pin of NE555 time-base integrated circuit connect self 6 pin, the other end of resistance R3 and the positive pole of electrochemical capacitor C1 simultaneously; 5 pin of NE555 time-base integrated circuit connect one end of electric capacity C2; The 3 pin anode of connecting luminous diode LED and the temperature over-range signal input part of microprocessor 1 simultaneously of NE555 time-base integrated circuit;
The power supply ground end of microprocessor 1 is the other end of 1 pin of the negative electrode of connecting luminous diode LED, NE555 time-base integrated circuit, electric capacity C2, the negative pole of electrochemical capacitor C1, another stiff end of slide rheostat Rp1 and movable end, 5 pin of H11L1M optical coupling isolator and 3 pin of TMP03 temperature sensor simultaneously, and ground connection.
SMS module 2 adopts model to be that the chip of TC351 realizes.
Principle of work: when the watt-hour meter placed in batch meter is working properly, when not having electricity filching behavior to occur, the temperature signal that TMP03 gathers is without exception, lower than during to fixed temperature, A1 exports high level, 2 pin of NE555 time-base integrated circuit are high level, and monostalbe trigger is in stable state, 3 pin output low levels of NE555 time-base integrated circuit, LED does not work, meanwhile, microprocessor 1 does not obtain instruction, does not drive SMS module 2 to send short messages.
If because of stealing cause abnormal heat time, when the temperature that TMP03 detects is higher than during to fixed temperature, comparer A1 output low level, namely 2 pin to NE555 time-base integrated circuit input a low level trigger pip, monostalbe trigger upset enters transient state, 3 pin of NE555 time-base integrated circuit export high level, LED is bright, instruction Current Temperatures is abnormal, simultaneously, microprocessor 1 obtains high level as triggering command, SMS module 2 is driven to send short messages to designated mobile phone terminal, keeper is known the very first time, and which community user occurs extremely, so that grasp the firsthand information to process electricity filching behavior in time.
To fixed temperature by regulating Rp1 to realize.
Utilize microprocessor 1 and SMS module 2 to carry out note and export the hardware that relates to and relative program is prior art, commercially can directly buy, be not the emphasis of the utility model protection, the utility model utilizes the prior art to carry out remote alarms.
Claims (2)
1. hotness alarm device for avoiding fraudulent using electric, is characterized in that, it comprises microprocessor (1), SMS module (2) and temperature over-range detecting unit (3); The temperature over-range signal output part of temperature over-range detecting unit (3) is connected with the temperature over-range signal input part of microprocessor (1), the instruction output end of microprocessor (1) is connected with the command input of SMS module (2), and the temperature over-range information of watt-hour meter is sent to designated mobile phone terminal with note form by antenna by SMS module (2); + 6V direct supply is microprocessor (1) and temperature over-range detecting unit (3) power supply simultaneously;
Temperature over-range detecting unit (3) comprises NE555 time-base integrated circuit, TMP03 temperature sensor, H11L1M optical coupling isolator, comparer A1, resistance R1, resistance R2, resistance R3, slide rheostat Rp1, electrochemical capacitor C1, electric capacity C2 and LED;
+ 6V direct supply connects the positive pole power supply terminal of 2 pin of TMP03 temperature sensor, one end of resistance R1,6 pin of H11L1M optical coupling isolator, one end of resistance R2, one end of resistance R3,4 pin of NE555 time-base integrated circuit, 8 pin and microprocessor (1) simultaneously;
1 pin of TMP03 temperature sensor connects 2 pin of H11L1M optical coupling isolator, the other end of 1 pin contact resistance R1 of H11L1M optical coupling isolator, the 4 pin other end of contact resistance R2 and the inverting input of comparer A1 simultaneously of H11L1M optical coupling isolator, the in-phase input end of comparer A1 connects a stiff end of slide rheostat Rp1, the output terminal of comparer A1 connects 2 pin of NE555 time-base integrated circuit, and 7 pin of NE555 time-base integrated circuit connect self 6 pin, the other end of resistance R3 and the positive pole of electrochemical capacitor C1 simultaneously; 5 pin of NE555 time-base integrated circuit connect one end of electric capacity C2; The 3 pin anode of connecting luminous diode LED and the temperature over-range signal input part of microprocessor (1) simultaneously of NE555 time-base integrated circuit;
The power supply ground end of microprocessor (1) is the other end of 1 pin of the negative electrode of connecting luminous diode LED, NE555 time-base integrated circuit, electric capacity C2, the negative pole of electrochemical capacitor C1, another stiff end of slide rheostat Rp1 and movable end, 5 pin of H11L1M optical coupling isolator and 3 pin of TMP03 temperature sensor simultaneously, and ground connection.
2. hotness alarm device for avoiding fraudulent using electric according to claim 1, is characterized in that, SMS module (2) adopts model to be that the chip of TC351 realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161919.9U CN204422619U (en) | 2015-03-20 | 2015-03-20 | Hotness alarm device for avoiding fraudulent using electric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161919.9U CN204422619U (en) | 2015-03-20 | 2015-03-20 | Hotness alarm device for avoiding fraudulent using electric |
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| Publication Number | Publication Date |
|---|---|
| CN204422619U true CN204422619U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520161919.9U Expired - Fee Related CN204422619U (en) | 2015-03-20 | 2015-03-20 | Hotness alarm device for avoiding fraudulent using electric |
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| Country | Link |
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| CN (1) | CN204422619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116449284A (en) * | 2023-03-30 | 2023-07-18 | 宁夏隆基宁光仪表股份有限公司 | Household electricity anomaly monitoring method and intelligent ammeter thereof |
-
2015
- 2015-03-20 CN CN201520161919.9U patent/CN204422619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116449284A (en) * | 2023-03-30 | 2023-07-18 | 宁夏隆基宁光仪表股份有限公司 | Household electricity anomaly monitoring method and intelligent ammeter thereof |
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| Date | Code | Title | Description |
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| 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: 20150624 Termination date: 20170320 |