CN202404702U - Intelligent theft-proof wireless sensing device of power equipment - Google Patents
Intelligent theft-proof wireless sensing device of power equipment Download PDFInfo
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- CN202404702U CN202404702U CN2011205361169U CN201120536116U CN202404702U CN 202404702 U CN202404702 U CN 202404702U CN 2011205361169 U CN2011205361169 U CN 2011205361169U CN 201120536116 U CN201120536116 U CN 201120536116U CN 202404702 U CN202404702 U CN 202404702U
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Abstract
The utility model relates to an intelligent theft-proof wireless sensing device of power equipment. The device effectively solves the problem about wireless communication alarm of the power equipment. The device comprises a shell and a control circuit in the shell; the control circuit comprises an integrated chip, an integrated wireless coding chip and triodes, wherein the 1st pin of the integrated chip is connected with a grounding resistor, the 2nd pin of the integrated chip is connected with a power supply through a capacitor, the 4th pin of the integrated chip is connected with the power supply, the 5th pin of the integrated chip is grounded through a capacitor, and the 3rd pin of the integrated chip is connected with a diode and the 14th pin of the integrated wireless coding chip; and the 9th pin of the integrated wireless coding chip is grounded, the 10th, 11th, 12th and 13th pins of the integrated wireless coding chip are grounded through resistors, the 18th pin of the integrated wireless coding chip is connected with the power supply, the 15th and 16th pins of the integrated wireless coding chip are connected in series together through a resistor, the 17th pin of the integrated wireless coding chip is connected with the base of the triode Q2 through a resistor, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with the emitter of the triode Q1, the base of the triode Q1 is connected with a resistor and an oscillator, and the collector of the triode Q1 is connected with an antenna through a capacitor C5. The device is effectively used for theft proofing and alarm of the power equipment, and is secure in operation.
Description
Technical field
The utility model relates to power equipment, particularly a kind of intelligent anti-theft wireless sensing device of power equipment.
Background technology
Along with fast development of national economy, electric power facility, the increasing investment construction of equipment, the normal operation of power equipment is the most important thing that ensures national product.Especially the protection of some crucial power equipments is the thing that part is had a bad headache to power department.
According to investigations, present domestic electric power facility maintenance, management and antitheft situation are following:
Electric power facilities such as most of transformers are in the open air, and are scattered in ground such as each street, the combination area of city and country, rural area, and this has brought a lot of hidden danger with regard to the security protection of giving power equipment;
For preventing that equipment is stolen or go to pot that power department can not be assigned a large amount of manpowers, with artificial mode each transformer is monitored round the clock in real time;
Though the electric enterprise of part has taked some technical measures, solve the antitheft problem of electric power facility such as modes such as infrared ray, limited distance wireless telecommunications, physics antitheft cards.But, because the limitation of these systems or product principle, have false alarm, fail to report alert, antijamming capability is weak and can not in time receive problem such as alerting signal, has caused the waste of a large amount of human and material resources and financial resources.Simultaneously, current most product has adopted wireless ultrashort wave (USW) emission communication mode, but communication mode power big (expending the energy); The networking difficulty; Can't realize calling automatically or sending SMS message, must have the people on duty by twenty four hours, to the greatly restriction of popularization existence of system and product.
Development along with mechanics of communication; Become the main flow of power equipment anti-theft alarming equipment based on the antitheft terminal of GSM, GPRS or cdma network communication; The monitoring terminal equipment that in the distribution transformer monitoring of province office and various places in recent years and the technical requirement of anti-theft prewarning system bidding document, requires mostly to be installed in substation transformer has the GSM/GPRS/CDMA communication function; Utilize that existing wireless network is realized in real time, image data exactly,, realize the record and the analysis of substation transformer electric weight operating position through intelligent analysis software; The running status of monitoring electrical network; Prevent the generation of behaviors such as stealing, prevention theft transformer, and can it can be further expanded easily through being connected of network interface realization and production, MIS, dispatch automated system.
In sum, power equipments such as line of electric force and transformer are stolen or suffer the artificial destruction incident more serious, and anti-theft measure is also desirable not to the utmost.According to being engaged in the anti-theft product development Experience for many years and being directed against a lot of on-the-spot modus operandis; Want to make its maximum efficiency of burglary-resisting installation performance; Effectively stop the generation of the stolen phenomenon of power equipment, key point still be burglary-resisting installation detection means and checkout equipment sensitivity and validity how.If can detect in advance with anticipation to the ANOMALOUS VARIATIONS of equipment and promptly and accurately abnormal information is reported the user, can start in advance thus that the continuation that threatens apparatus for blocking larceny takes place or provide time enough to be on the scene loss is dropped to minimum for the user.
In the application of existing power equipment burglar alarm, detecting by the sensor device of the state variation of protection equipment is the main and part in the warning system, and can the quality of its design be directly connected to effectively moving of total system.At present mostly producer adopts be wired near switch, shock sensor or universal mercury cut-off as the sensor that is detected by the protection equipment state.This type sensor to a certain extent can normal operation, but all exists certain defective and leak, burglar can utilize the leak of these sensors to destroy sensor and then stealing power equipment earlier, makes alarm lose protection and warning function.
Summary of the invention
To above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides a kind of intelligent anti-theft wireless sensing device of power equipment, can effectively solve wireless telecommunications and report to the police, and in time prevents the problem that power equipment is stolen.
The technical scheme that the utility model solves is; Comprise the control circuit in housing and the housing; Described control circuit comprises integrated chip U1, integrated wireless coding chip U2 and triode Q1, and 1 pin of integrated chip U1 links to each other with stake resistance R3 one end, and the end of the other end of 2 pin and stake resistance R3 and resistance R 2, electrochemical capacitor C2 negative pole, direct earth capacitance C1 links to each other; Resistance R 2 and the positive pole that meets power Vcc and electrochemical capacitor C2 after resistance R 1 is connected in series; Electrochemical capacitor C2 is through an end of diode D1 ground connection and capacitor C 3,8 pin of another termination integrated chip U1 of capacitor C 3, and 4 pin of integrated chip U1 connect power Vcc; 5 foot meridian capacitor C4 ground connection, 3 pin of integrated chip U1 connect 14 pin of diode D2 and integrated wireless coding chip U2; The 9 pin ground connection of integrated wireless coding chip U2; 10 pin, 11 pin, 12 pin, 13 pin meet stake resistance R12, R13, R14, R15 respectively, and connect the positive pole of diode D5, D6, D4, D3 through resistance R 10, R9, R8, R7 respectively, and the negative pole of diode D5, D6, D4, D3 connects power Vcc; Resistance R 7, R8, R9 connect the positive pole of triode D7 respectively through K switch 1, K2, K3; The negative pole of triode D7 meets power supply E1 through keyswitch KEY1, and 18 pin of integrated wireless coding chip U2 connect power Vcc, and meets the light emitting diode D that joins with ground through resistance R 4; 15 pin, 16 pin are serially connected through resistance R 6; 17 pin connect the base stage of triode Q2, the grounded emitter of triode Q2, the intermediate ends of the emitter of collector connecting transistor Q1 and capacitor C 9, C7 and oscillator RF1 through resistance R 5; The base stage connecting resistance R11 of triode Q1, the end of oscillator RF1; The end of another termination capacitor C 7 of oscillator RF1, C9, C8, the collector of triode Q1 meets antenna TX through capacitor C 5, and links to each other with resistance R 11, capacitor C 8, C7, C9, oscillator RF1 one end.
The utility model novel structure is unique; Adopt built-in strong magnetic, need not punch or fixing can being adsorbed on easily, need not external cable by the suitable concealed location of protection power equipment; Saved lot of manpower and material resources; Have good practical value, be effective to antitheft, the warning of power equipment, guarantee safe, the normal operation of power equipment.
Description of drawings
Fig. 1 is the control circuit schematic diagram of the utility model.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the utility model.
By shown in Figure 1; The utility model comprises the control circuit in housing and the housing; Described control circuit comprises integrated chip U1, integrated wireless coding chip U2 and triode Q1, and 1 pin of integrated chip U1 links to each other with stake resistance R3 one end, and the end of the other end of 2 pin and stake resistance R3 and resistance R 2, electrochemical capacitor C2 negative pole, direct earth capacitance C1 links to each other; Resistance R 2 and the positive pole that meets power Vcc and electrochemical capacitor C2 after resistance R 1 is connected in series; Electrochemical capacitor C2 is through an end of diode D1 ground connection and capacitor C 3,8 pin of another termination integrated chip U1 of capacitor C 3, and 4 pin of integrated chip U1 connect power Vcc; 5 foot meridian capacitor C4 ground connection, 3 pin of integrated chip U1 connect 14 pin of diode D2 and integrated wireless coding chip U2; The 9 pin ground connection of integrated wireless coding chip U2; 10 pin, 11 pin, 12 pin, 13 pin meet stake resistance R12, R13, R14, R15 respectively, and connect the positive pole of diode D5, D6, D4, D3 through resistance R 10, R9, R8, R7 respectively, and the negative pole of diode D5, D6, D4, D3 connects power Vcc; Resistance R 7, R8, R9 connect the positive pole of triode D7 respectively through K switch 1, K2, K3; The negative pole of triode D7 meets power supply E1 through keyswitch KEY1, and 18 pin of integrated wireless coding chip U2 connect power Vcc, and meets the light emitting diode D that joins with ground through resistance R 4; 15 pin, 16 pin are serially connected through resistance R 6; 17 pin connect the base stage of triode Q2, the grounded emitter of triode Q2, the intermediate ends of the emitter of collector connecting transistor Q1 and capacitor C 9, C7 and oscillator RF1 through resistance R 5; The base stage connecting resistance R11 of triode Q1, the end of oscillator RF1; The end of another termination capacitor C 7 of oscillator RF1, C9, C8, the collector of triode Q1 meets antenna TX through capacitor C 5, and links to each other with resistance R 11, capacitor C 8, C7, C9, oscillator RF1 one end.
In order to guarantee result of use, described resistance R 7 and resistance R 15, resistance R 8 and resistance R 14, resistance R 9 and resistance R 13, resistance R 10 is formed No. four bleeder circuits respectively with resistance R 12; Described integrated chip U1 is the NE555 integrated circuit, with the oscillatory circuit of resistance R 1, R2, capacitor C 1 formation EDM Generator of Adjustable Duty Ratio; Described integrated wireless coding chip U2 is wireless encoding chip PT2262.
Described resistance R 5, triode Q1, triode Q2, capacitor C 5, C7, C8, resistance R 11, oscillator RF1 and antenna TX constitute transtation mission circuit.
The utility model oscillatory circuit concussion time formula is: high level time T1=0.693 * (R1+R2) * C1 second, low level time T2=0.693R2 * C1 second.The concussion frequency can realize through the resistance of adjustment R1 and R2, through changing the length that C1 appearance value size realizes charge cycle, is used for producing the length of control wireless transmission signal time; According to different demands, also designed the triggering mode of operation, its principle of work is through U1; C2, R3 and D1 have constituted a monostable circuit, and the initial stage system of powering on charges to C2; The Vout output low level enabled PT2262 and sent wireless signal this moment, and the Vout saltus step is a high level when reaching turnover voltage for the C2 charging voltage through R3; Forbid that PT2262 sends signal, the length of transmitting time confirmed by C2 appearance value and R3 resistance, sends signal time T=0.693R3 * C2 second.
The working condition of the utility model is: require vertical absorption to be installed in by the appropriate location of protection equipment according to sign; When being in normal rest state by protection equipment, used sensor K1 in the device, K2; The switch of K3 all is in the normal turn-off state; Loop between power supply and system is open circuit, thereby makes system be in idle state, is zero-power basically.Battery does not have other power consumption except putting certainly of self loss, thereby has ensured that battery can work for 2 years, that is to say that the user can change one-shot battery in per 2 years under the normal condition.
When being moved, knocking, dismantling by protection equipment or tilting, corresponding sensor changes the startup that is triggered because of state, and power supply will power on to system through the switch of sensor, and system gets into duty immediately.Since the tripod VOUT of NE555 receive 315Mhz superregeneration wireless encoding integrated circuit PT2262 the 4th pin (/TE) with the transmission of control wireless signal with stop.If equipment adopts the monostable mode of operation, the oscillogram that produces when then powering on is shown in * 1 among the figure, and just equipment only sends warning message at the T that powers in the time, surpasses the T time then to export high level, forbids reporting to the police and sends.If equipment adopts the oscillator mode of operation; VOUT will export the concussion waveform shown in * 2 among the figure when powering on, and all have its concussion cycle and T.T. oscillating circuit to confirm, produce and export the square wave of specific period according to predefined oscillator mode of operation; T1 time VOUT exports high level; The control wireless signal stops to send, t2 time VOUT output low level, and/TE sends for the low level wireless-enabled; During this period, with continuously sending the predetermined coded address of the utility model and alarm road number to the alarm main frame.Main frame is received the judgement that is for further processing behind the signal, starts local panalarm and to distant place report and alarm information.In practical application, in case being triggered, equipment reports to the police continuously periodically sending, recover normal condition up to equipment.
The principle of work of anti-inclination sensor K1 (PZ-205), employing sensitivity are 5 ~ 10 ° universal switch, a termination power, other end welding system power supply.This sensor is in plumbness during the equipment operate as normal, and switch is an off-state, and power supply can not pass through, switch conduction when equipment run-off the straight angle surpasses set angle, and power supply is supplied power to system through switch.Immediately with the current device geocoding and trigger alarm bit and send, alarm host machine is received wireless alarm signal and is decoded immediately and obtain warning message data, report of user then after the system start-up.
The principle of work of shock sensor SW-520D, when the vibrations that when being prized or destroying by protection equipment, produce surpassed the sensitivity of sensor, sensor produced the conducting state of certain hour, started alarm work and sent warning message.
Tamper sensor RI-90 adopts normally closed magnetic switch; During operate as normal; This magnetic switch receives to be protected the attractive force between device housings iron or steel and is in off-state, when warning device is moved apart by protection equipment or is destroyed, because of the switch that loses its reliss reverts to normally off; Make to form the conducting loop between power supply and system power supply, alarm starts the concurrent alarming information of delivering newspaper.
The utility model also can be as required and is connected to the anti-short circuit and the trimming alarm circuit of line between the alarm host machine, when this detection streamer is cut off or during short circuit, the alarm main frame detects the loop and then detects corresponding state and send warning message.
At first that the alarm host machine Installation and Debugging are good; Make it to be in normal operating conditions; Secondly, carry out simulation test after configuring this warning pick-up unit geocoding and being set to main frame and report to the police, method is device to be gone up self-locking button KEY1 press; Make system be in conducting state, tilting gearing or vibrations or with high magnetic steel near after leave simulation and produce the alert if testing sensor and whether normally send warning message.After test is accomplished this device is installed in place more hidden between radiating fin of transformer according to the vertical absorption of mounting means shown in the nameplate, the angle of inclination must not be greater than 5 ° and can.This shows enforcement of the present invention and safeguard very convenient, efficient.
In addition, this invention also can be used the guard against theft and alarm system in equipment such as family, vehicle, market, mine and petrochemical industry and place etc., has very wide market outlook.
Compared with prior art, have following outstanding characteristics:
The utility model is compared the advantage that following several respects are arranged with like product:
The utility model is to design according to the successful experience of in practical engineering application, summing up, and therefore has very strong practicality.
Adopt wireless communication mode, magnetic adsorption type is installed, and has compared ray mode and has installed, safeguards more convenient, disguised strong, and it is more to insert the warning measurement point.
Alarm condition detects accurately and timely, highly sensitive, do not fail to report, report by mistake, have the damage preventing alarm function.
Have unique frequencies, address code user can establish function, prevents with interference frequently and because of the generation with address wrong report situation.
Multiple warning output control model can be selected according to user's needs.
With low cost, the utility model has only adopted the little electrons components and parts promptly to accomplish complicated alarm detection and wireless transmission function, in practical engineering application, has reduced whole cost, has improved rate of profit.
The power supply of employing single battery, and normal condition zero-power, long service life has at utmost reduced equipment maintenance cost.
Equipment is hermetically sealed, applicable to indoor, outer any environment.
May extend in the collection and supervisory system of other industry, have very wide promotional value.
Claims (4)
1. the intelligent anti-theft wireless sensing device of a power equipment; Comprise the control circuit in housing and the housing, it is characterized in that described control circuit comprises integrated chip U1, integrated wireless coding chip U2 and triode Q1; 1 pin of integrated chip U1 links to each other with stake resistance R3 one end; The end of the other end of 2 pin and stake resistance R3 and resistance R 2, electrochemical capacitor C2 negative pole, direct earth capacitance C1 links to each other, resistance R 2 and the positive pole that meets power Vcc and electrochemical capacitor C2 after resistance R 1 is connected in series, and electrochemical capacitor C2 is through an end of diode D1 ground connection and capacitor C 3; 8 pin of another termination integrated chip U1 of capacitor C 3; 4 pin of integrated chip U1 connect power Vcc, 5 foot meridian capacitor C4 ground connection, and 3 pin of integrated chip U1 connect 14 pin of diode D2 and integrated wireless coding chip U2; The 9 pin ground connection of integrated wireless coding chip U2; 10 pin, 11 pin, 12 pin, 13 pin meet stake resistance R12, R13, R14, R15 respectively, and connect the positive pole of diode D5, D6, D4, D3 through resistance R 10, R9, R8, R7 respectively, and the negative pole of diode D5, D6, D4, D3 connects power Vcc; Resistance R 7, R8, R9 connect the positive pole of triode D7 respectively through K switch 1, K2, K3; The negative pole of triode D7 meets power supply E1 through keyswitch KEY1, and 18 pin of integrated wireless coding chip U2 connect power Vcc, and meets the light emitting diode D that joins with ground through resistance R 4; 15 pin, 16 pin are serially connected through resistance R 6; 17 pin connect the base stage of triode Q2, the grounded emitter of triode Q2, the intermediate ends of the emitter of collector connecting transistor Q1 and capacitor C 9, C7 and oscillator RF1 through resistance R 5; The base stage connecting resistance R11 of triode Q1, the end of oscillator RF1; The end of another termination capacitor C 7 of oscillator RF1, C9, C8, the collector of triode Q1 meets antenna TX through capacitor C 5, and links to each other with resistance R 11, capacitor C 8, C7, C9, oscillator RF1 one end.
2. the intelligent anti-theft wireless sensing device of power equipment according to claim 1 is characterized in that, described resistance R 7 and resistance R 15, and resistance R 8 and resistance R 14, resistance R 9 and resistance R 13, resistance R 10 is formed No. four bleeder circuits respectively with resistance R 12.
3. the intelligent anti-theft wireless sensing device of power equipment according to claim 1 is characterized in that, described integrated chip U1 is the NE555 integrated circuit, with the oscillatory circuit of resistance R 1, R2, capacitor C 1 formation EDM Generator of Adjustable Duty Ratio.
4. the intelligent anti-theft wireless sensing device of power equipment according to claim 1 is characterized in that, described resistance R 5, triode Q1, triode Q2, capacitor C 5, C7, C8, resistance R 11, oscillator RF1 and antenna TX constitute transtation mission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205361169U CN202404702U (en) | 2011-12-20 | 2011-12-20 | Intelligent theft-proof wireless sensing device of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205361169U CN202404702U (en) | 2011-12-20 | 2011-12-20 | Intelligent theft-proof wireless sensing device of power equipment |
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| Publication Number | Publication Date |
|---|---|
| CN202404702U true CN202404702U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205361169U Expired - Fee Related CN202404702U (en) | 2011-12-20 | 2011-12-20 | Intelligent theft-proof wireless sensing device of power equipment |
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| CN (1) | CN202404702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106447995A (en) * | 2015-08-05 | 2017-02-22 | 江苏爱福特科技开发有限公司 | Residential cell transformer substation capable of performing antitheft early-warning |
-
2011
- 2011-12-20 CN CN2011205361169U patent/CN202404702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106447995A (en) * | 2015-08-05 | 2017-02-22 | 江苏爱福特科技开发有限公司 | Residential cell transformer substation capable of performing antitheft early-warning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180622 Address after: 450000 Zhengzhou, Henan 27 District, 66 Cotton Road East Xinyuan City Garden 7 Building 2 unit 3 East Patentee after: Xu Jialu Address before: No. 16 Guo Sophora street, Zhengzhou high tech Zone, Henan Province Patentee before: Zhengzhou Yihai Electrical Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20181220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |