CN207302262U - A kind of anti-theft device for transformer - Google Patents
A kind of anti-theft device for transformer Download PDFInfo
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- CN207302262U CN207302262U CN201721387336.3U CN201721387336U CN207302262U CN 207302262 U CN207302262 U CN 207302262U CN 201721387336 U CN201721387336 U CN 201721387336U CN 207302262 U CN207302262 U CN 207302262U
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- uncapping
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- 230000002265 prevention Effects 0.000 claims description 35
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- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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Abstract
The utility model belongs to Distribution Automation Technology field, propose a kind of anti-theft device for transformer, including theft-proof sensor and detection terminal, theft-proof sensor includes sensor outer housing and the sensor circuit being arranged in sensor outer housing, sensor circuit prevents uncapping circuit including transformer and sensor prevents circuit of uncapping, transformer, which is prevented uncapping, is provided with transformer interface in circuit, transformer interface is connected with antitheft resistance both ends, antitheft resistance is located in the trip bolt on transformer on lid, transformer, which is prevented uncapping, is additionally provided with two detection terminal interfaces one in circuit, two detection terminal interfaces one are connected with the corresponding port of detection terminal respectively.Through the above technical solutions, solve the problems, such as in the prior art anti-theft device for transformer deploy troops on garrison duty effect it is bad, destroy transformer device structure.
Description
Technical field
The utility model belongs to Distribution Automation Technology field, is related to a kind of anti-theft device for transformer.
Background technology
Power transformer is one of equipment crucial in electric system, and the higher link of failure rate in power equipment,
Its normal operation is power system security, reliable, high-quality, economical operation important guarantee.But with metal material, especially
It is the constantly soaring of copper material price, the antitheft problem of power transformer also becomes increasingly conspicuous, and the anti-theft feature of transformer, which also becomes, to be needed
The problem of paying close attention to.At present, there are the following problems for the existing anti-theft device for transformer of in the market：Installation is complicated, in-site installation needs
Expending can just install for a long time, and when transformer maintenance significantly extends maintenance time；Destroy the main body knot of transformer
Structure, causes some original parameter shifts of transformer, shortens the service life of transformer；Can simulation it is strong, state of deploying troops on garrison duty is by mould
Effect of deploying troops on garrison duty is not had after plan.
Utility model content
The utility model proposes a kind of anti-theft device for transformer, solves anti-theft device for transformer cloth preventive effect in the prior art
Fruit is bad, destroys the problem of transformer device structure.
What the technical solution of the utility model was realized in：
A kind of anti-theft device for transformer, including：
Including theft-proof sensor and detection terminal, the theft-proof sensor includes sensor outer housing and is arranged on the sensing
Sensor circuit in device shell, the sensor circuit prevents uncapping circuit including transformer and sensor prevents circuit of uncapping,
The transformer, which is prevented uncapping, is provided with transformer interface in circuit, and the transformer interface connects with antitheft resistance both ends
Connecing, the antitheft resistance is located in the trip bolt on transformer on lid,
The transformer, which is prevented uncapping, is additionally provided with two detection terminal interfaces one, two detection terminal interfaces in circuit
One corresponding port respectively with the detection terminal is connected.
Further, the transformer interface, the antitheft resistance and the trip bolt are two.
Further, the sensor, which is prevented uncapping, is provided with tongue tube in circuit, is set on the upper lid of the sensor outer housing
There is magnet corresponding with the tongue tube, the sensor, which is prevented uncapping, is provided with two detection terminal interfaces two in circuit, two
Corresponding port of the detection terminal interface two respectively with the detection terminal is connected.
Further, the transformer prevents uncapping circuit and sensor circuit of preventing uncapping is several resistance and capacitance
The series-parallel circuit of composition, is provided with several spare interfaces in the series-parallel circuit.
Further, the detection terminal includes antitheft detection circuit, the serial communication circuit being connected with processor circuit
With GPRS telecommunication circuits, the antitheft detection circuit include be connected with the processor circuit exterior decomposing prevention circuit one, outside
Portion's decomposing prevention circuit two, exterior decomposing prevention circuit three, device inclined observation circuit and detection terminal prevent circuit of uncapping, the exterior tamper
The input of circuit one is connected with the detection terminal interface one, the exterior input of decomposing prevention circuit two and the detection terminal interface two
Connection, the exterior input of decomposing prevention circuit three are connected with tamper conducting wire.
Further, the exterior decomposing prevention circuit one includes Second terminal and voltage comparator one, the voltage comparator one
Input terminal be connected by the Second terminal with the detection terminal interface one, the input terminal of the voltage comparator one also with
Reference voltage circuit one connects, and the output terminal of the voltage comparator one is connected with the processor circuit,
The exterior decomposing prevention circuit two includes third terminal and voltage comparator two, the input terminal of the voltage comparator two
Be connected by the third terminal with the detection terminal interface two, the input terminal of the voltage comparator two also with reference voltage
Circuit two connects, and the output terminal of the voltage comparator two is connected with the processor circuit,
The exterior decomposing prevention circuit three includes forth terminal and voltage comparator three, the input terminal of the voltage comparator three
It is connected by the forth terminal with tamper conducting wire, the input terminal of the voltage comparator three also connects with reference voltage circuit three
Connect, the output terminal of the voltage comparator three is connected with the processor circuit.
Further, the detection terminal is set on utility poles by fixed gold utensil, and the tamper conducting wire is described around being located at
On the outside of fixed gold utensil, and resistance is provided among the tamper conducting wire.
Further, the device inclined observation circuit includes being connected in series in the 16th resistance between power supply and ground, the
The tie point of one universal switch and the second universal switch, the 16th resistance and first universal switch and the processor
Circuit connects, and the first universal switch both ends are in parallel with the 4th capacitance, and the second universal switch both ends and the 5th capacitance are simultaneously
Connection,
Detection terminal circuit of preventing uncapping includes tongue tube one, is provided with and the dry spring on lid in the detection terminal
The corresponding magnet one of pipe one.
Further, the serial communication circuit include sequentially connected power amplification circuit, light-coupled isolation conversion circuit and
RS485 communication interface circuits, the input terminal of the power amplification circuit are connected with the processor circuit, the RS485 communications
Interface circuit is connected with host computer, and the serial communication circuit is two-way.
Further, the GPRS telecommunication circuits include power circuit, charging circuit, the electricity being connected with GPRS/GPS modules
Source control circuit, GPRS interface circuits, GPS interface circuit and SIM card interface circuit, the power control circuit and processor electricity
Road connects.
The beneficial effects of the utility model are：
1st, the antitheft resistance access transformer set on transformer on lid is prevented uncapping in circuit, transformer prevent uncapping circuit with
Detection terminal connects, and is arranged on because of antitheft resistance in the trip bolt on transformer on lid, when thief commits theft, first has to turn on
Trip bolt, open transformer upper cover, and the wiring that antitheft resistance and transformer are prevented uncapping between circuit at this time is destroyed, and is being examined
Surveying terminal will detect that the resistance value at one both ends of detection terminal interface exceeds setting range, detection terminal alarm；In addition, transformation
Any connecting line between device upper cover and theft-proof sensor, theft-proof sensor and detection terminal is destroyed, in detection eventually
End can all detect that the resistance value at one both ends of detection terminal interface exceeds setting range, and start warning function.The utility model
Transformer uncapped or equipment between connection go to pot when, can all send alarm, thief is not had any opportunity,
Effect of deploying troops on garrison duty is good；And theft-proof sensor and detection terminal are all disposed within outside transformer, transformer body structure will not be destroyed
And performance.
2nd, sensor, which is prevented uncapping, sets tongue tube in circuit, and sets magnet in the upper cover relevant position of sensor outer housing,
When sensor outer housing is maliciously opened, tongue tube state change, two liang of detection terminal interface will be detected in detection terminal
The resistance value at end exceeds setting range, and detection terminal alarm, so avoids sensor circuit and be modeled, so as to not have cloth
Anti- effect.
3rd, sensor circuit realizes that transformer anti-theft detects using resistive voltage division technique, simple in structure, cost is low, reserved to connect
The setting of mouth, is conducive to select suitable resistance according to on-site actual situations, preferably realizes effect of deploying troops on garrison duty.
4th, the exterior input of decomposing prevention circuit one is connected with detection terminal interface one, for whether detecting transformer upper cover by malice
Open, whether the wiring between destroyed, theft-proof sensor and detection terminal is the wiring between transformer and theft-proof sensor
It is no destroyed；The input of exterior decomposing prevention circuit two is connected with detection terminal interface two, for detection sensor outer casing upper cover whether by
Malice is opened；The exterior input of decomposing prevention circuit three is connected with tamper conducting wire, for preventing whether detection terminal from maliciously being removed；If
Detection terminal is maliciously removed, in demolishing process, it is easy to causes detection terminal to tilt, device inclined detection circuit passes through inspection
Measurement equipment heeling condition judges whether detection terminal is removed；Detection terminal prevent uncapping circuit be used to detect detection terminal upper cover be
No quilt is maliciously opened.
If the upper cover of theft-proof sensor or detection terminal is opened, its internal circuit will be modeled, so as to not have
Deploy troops on garrison duty effect；In addition, if detection terminal is removed, anti-theft function can not be equally played.The sensor of the utility model is prevented
Steal detection circuit not only detect transformer upper cover whether opened by malice, the wiring between transformer and theft-proof sensor whether by
Whether the wiring between destruction, theft-proof sensor and detection terminal is destroyed, and detects whether theft-proof sensor upper cover is beaten
Open, whether detection terminal is removed, whether detection terminal upper cover is opened, so as to fulfill the omnibearing protection to transformer.
Processor judges whether abnormal conditions by reading the signal of antitheft detection circuit, when there are abnormal conditions
When, short message is sent to work about electric power personnel by GPRS telecommunication circuits, work about electric power personnel can take in time after receiving short message
Measure；Or warning message is sent to by host computer by serial communication circuit, realize Centralized Monitoring.
5th, reference voltage circuit one provides reference voltage, the detection terminal interface of Second terminal access for voltage comparator one
For one signal compared with reference voltage, comparative result sends processor circuit to, and processor circuit judges that transformer upper cover is accordingly
It is no be opened, whether the wiring between transformer and theft-proof sensor destroyed, connecing between theft-proof sensor and detection terminal
Whether line is destroyed；Reference voltage circuit two provides reference voltage, the detection terminal of third terminal access for voltage comparator two
For interface binary signal compared with reference voltage, comparative result sends processor circuit to, and processor circuit judges antitheft sensing accordingly
Whether device upper cover is opened；Reference voltage circuit three provides reference voltage, the tamper of forth terminal access for voltage comparator three
For conductor signal compared with reference voltage, comparative result sends processor circuit to, and processor circuit judges theft-proof sensor accordingly
Whether detection terminal is removed.
Tamper conducting wire will remove detection terminal around being located on the outside of fixed gold utensil, first have to destroy tamper conducting wire, at this time
Processor circuit detects abnormal signal by exterior decomposing prevention circuit three and alarms；Resistance is provided with tamper conducting wire, is avoided pair
Tamper conducting wire is simulated, so as to lose anti-theft effect.
6th, when detection terminal run-off the straight, the output signal of the first universal switch and the second universal switch changes,
The level of 16th resistance and the first universal switch tie point changes, and processor circuit is judged by reading the level signal
With the presence or absence of exception；Detection terminal, which prevents uncapping, sets tongue tube one in circuit, and is set in the relevant position of detection terminal upper cover
Magnet, when detection terminal upper cover is maliciously opened, the state of tongue tube one changes, and detection terminal prevents the defeated of circuit of uncapping
Go out to change, processor circuit judges whether exception by reading the level signal.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is theft-proof sensor and transformer, detection terminal wiring schematic diagram in the utility model；
Fig. 2 is theft-proof sensor circuit diagram in the utility model；
Fig. 3 is detection terminal circuit block diagram in the utility model；
Fig. 4 is antitheft detection circuit schematic diagram in the utility model；
Fig. 5 is processor circuit schematic diagram in the utility model；
Fig. 6 is serial communication circuit schematic diagram in the utility model；
Fig. 7 is GPRS telecommunication circuit schematic diagrams in the utility model；
In figure：1- transformers, the antitheft resistance of 11-, 2- sensor circuits, 21- transformers prevent circuit of uncapping, 211- transformers
Interface, 212- detection terminals interface one, 213- spare interfaces, 22- sensors prevent circuit of uncapping, 221- detection terminals interface two,
222- tongue tubes, 3- detection terminals, the antitheft detection circuits of 31-, 311- outsides decomposing prevention circuit one, 3111- reference voltage circuits one,
3112- Second terminals, 3113- voltage comparators one, 312- outsides decomposing prevention circuit two, 3121- reference voltage circuits two, 3122-
Third terminal, 3123- voltage comparators two, 313- outsides decomposing prevention circuit three, 3131- reference voltage circuits two, the 4th ends of 3132-
Son, 3133- voltage comparators three, 314- device inclined observation circuits, 315- detection terminals prevent circuit of uncapping, 32- processors electricity
Road, 33- serial communication circuits, 331- power amplification circuits, 332- light-coupled isolation conversion circuits, 333-RS485 communication interfaces electricity
Road, 34-GPRS telecommunication circuits, 341-GPRS/GPS modules, 342-GPRS interface circuits, 343- charging circuits, 344-GPS interfaces
Circuit, 345- power control circuits, 346- power circuits, 347-SIM card interface circuits.
Embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in Fig. 1-Fig. 7, the utility model proposes a kind of anti-theft device for transformer, including：
Including theft-proof sensor and detection terminal 3, theft-proof sensor includes sensor outer housing and is arranged on sensor outer housing
Interior sensor circuit 2, sensor circuit 2 prevents uncapping circuit 21 including transformer and sensor prevents circuit 22 of uncapping,
Transformer, which is prevented uncapping, is provided with transformer interface 211, transformer interface 211 and antitheft 11 both ends of resistance in circuit 21
Connection, antitheft resistance 11 are located in the trip bolt on transformer 1 on lid,
Transformer, which is prevented uncapping, is additionally provided with two detection terminal interfaces 1, two detection terminal interfaces one in circuit 21
212 corresponding port respectively with detection terminal 3 is connected.
The antitheft resistance 11 that sets accesses transformer and prevents uncapping in circuit 21 on lid on transformer 1, and transformer prevents electricity of uncapping
Road 21 is connected with detection terminal 3, is arranged on because of antitheft resistance 11 in the trip bolt on transformer 1 on lid, when thief commits theft,
First have to turn on trip bolt, open 1 upper cover of transformer, antitheft resistance 11 and transformer are prevented uncapping connecing between circuit 21 at this time
Line is destroyed, and will detect that the resistance value at one 212 both ends of detection terminal interface exceeds setting range in detection terminal 3, inspection
Terminal 3 is surveyed to alarm；In addition, any one between 1 upper cover of transformer and theft-proof sensor, theft-proof sensor and detection terminal 3
Connecting line is destroyed, and can all detect the resistance value at one 212 both ends of detection terminal interface beyond setting model in detection terminal 3
Enclose, and start warning function.The utility model transformer 1 uncapped or equipment between connection go to pot when, can all send
Alarm, makes thief not have any opportunity, effect of deploying troops on garrison duty is good；And theft-proof sensor and detection terminal 3 are all disposed within change
Outside depressor 1,1 agent structure of transformer and performance will not be destroyed.
Further, transformer interface 211, antitheft resistance 11 and trip bolt are two.
Further, sensor, which is prevented uncapping, is provided with tongue tube 222 in circuit 22, be provided with the upper lid of sensor outer housing with
222 corresponding magnet of tongue tube, sensor, which is prevented uncapping, is provided with two detection terminal interfaces 2 221, two detections in circuit 22
Corresponding port of the terminal interface 2 221 respectively with detection terminal 3 is connected.
Sensor, which is prevented uncapping, sets tongue tube 222 in circuit 22, and sets magnetic in the upper cover relevant position of sensor outer housing
Iron, when sensor outer housing is maliciously opened, 222 state change of tongue tube, will detect that detection terminal connects in detection terminal 3
The resistance value at mouthful 2 221 both ends exceeds setting range, and detection terminal 3 is alarmed, so avoid sensor circuit 2 be modeled,
So as to not have effect of deploying troops on garrison duty.
Further, transformer prevents uncapping circuit 21 and sensor circuit 22 of preventing uncapping is several resistance and capacitance composition
Series-parallel circuit, be provided with several spare interfaces 213 in series-parallel circuit.
Sensor circuit 2 realizes 1 antitheft detection of transformer using resistive voltage division technique, simple in structure, cost is low, reserved to connect
The setting of mouth 213, is conducive to select suitable resistance according to on-site actual situations, preferably realizes effect of deploying troops on garrison duty.
Further, detection terminal 3 includes antitheft detection circuit 31, the serial communication circuit being connected with processor circuit 32
33 and GPRS telecommunication circuits 34, antitheft detection circuit 31 include be connected with processor circuit 32 exterior decomposing prevention circuit 1,
Exterior decomposing prevention circuit 2 312, exterior decomposing prevention circuit 3 313, device inclined observation circuit 314 and detection terminal prevent circuit of uncapping
315, the exterior input of decomposing prevention circuit 1 is connected with detection terminal interface 1, the exterior input of decomposing prevention circuit 2 312 and detection
Terminal interface 2 221 connects, and the exterior input of decomposing prevention circuit 3 313 is connected with tamper conducting wire.
The exterior input of decomposing prevention circuit 1 is connected with detection terminal interface 1, for whether detecting 1 upper cover of transformer
Opened by malice, whether the wiring between transformer 1 and theft-proof sensor is destroyed, between theft-proof sensor and detection terminal 3
Wiring whether be destroyed；The exterior input of decomposing prevention circuit 2 312 is connected with detection terminal interface 2 221, for detection sensor
Whether outer casing upper cover is maliciously opened；The exterior input of decomposing prevention circuit 3 313 is connected with tamper conducting wire, for preventing detection terminal 3
Whether maliciously removed；If detection terminal 3 is maliciously removed, in demolishing process, it is easy to cause detection terminal 3 to tilt,
Device inclined detection circuit judges whether detection terminal 3 is removed by detection device heeling condition；Detection terminal prevents electricity of uncapping
Road 315 is used to detect whether 3 upper cover of detection terminal is maliciously opened.
If the upper cover of theft-proof sensor or detection terminal 3 is opened, its internal circuit will be modeled, so as to not have
Deploy troops on garrison duty effect；In addition, if detection terminal 3 is removed, anti-theft function can not be equally played.The sensor of the utility model is prevented
Steal detection circuit 31 and not only detect whether 1 upper cover of transformer is opened by malice, the wiring between transformer 1 and theft-proof sensor is
Whether the wiring between no destroyed, theft-proof sensor and detection terminal 3 is destroyed, and whether detects theft-proof sensor upper cover
Be opened, whether detection terminal 3 is removed, whether 3 upper cover of detection terminal is opened, so as to fulfill to the comprehensive of transformer 1
Protection.
Processor judges whether abnormal conditions by reading the signal of antitheft detection circuit 31, when there are abnormal conditions
When, short message is sent to work about electric power personnel by GPRS telecommunication circuits 34, work about electric power personnel can adopt in time after receiving short message
Take measure；Or warning message is sent to by host computer by serial communication circuit 33, realize Centralized Monitoring.
Further, exterior decomposing prevention circuit 1 includes Second terminal 3112 and voltage comparator 1, voltage comparator
One 3113 input terminal is connected by Second terminal 3112 with detection terminal interface 1, the input of voltage comparator 1
End is also connected with reference voltage circuit 1, and the output terminal of voltage comparator 1 is connected with processor circuit 32,
Exterior decomposing prevention circuit 2 312 includes third terminal 3122 and voltage comparator 2 3123, voltage comparator 2 3123
Input terminal be connected by third terminal 3122 with detection terminal interface 2 221, the input terminal of voltage comparator 2 3123 also with
Reference voltage circuit 2 3121 connects, and the output terminal of voltage comparator 2 3123 is connected with processor circuit 32,
Exterior decomposing prevention circuit 3 313 includes forth terminal 3132 and voltage comparator 3 3133, voltage comparator 3 3133
Input terminal be connected by forth terminal 3132 with tamper conducting wire, the input terminal of voltage comparator 3 3133 also with reference voltage electricity
Road 3 3131 connects, and the output terminal of voltage comparator 3 3133 is connected with processor circuit 32.
Further, detection terminal 3 is set on utility poles by fixed gold utensil, and tamper conducting wire is around being located at outside fixed gold utensil
Side, and it is provided with resistance among tamper conducting wire.
Reference voltage circuit 1 provides reference voltage, the inspection that Second terminal 3112 accesses for voltage comparator 1
One 212 signal of terminal interface is surveyed compared with reference voltage, comparative result sends processor circuit 32 to, and processor circuit 32 is accordingly
Judge whether 1 upper cover of transformer is opened, whether the wiring between transformer 1 and theft-proof sensor is destroyed, theft-proof sensor
Whether the wiring between detection terminal 3 is destroyed；Reference voltage circuit 2 3121 provides reference for voltage comparator 2 3123
Voltage, for 2 221 signal of detection terminal interface that third terminal 3122 accesses compared with reference voltage, comparative result sends processing to
Device circuit 32, processor circuit 32 judge whether theft-proof sensor upper cover is opened accordingly；Reference voltage circuit 3 3131 is electricity
Comparator 3 3133 is pressed to provide reference voltage, the tamper conductor signal that forth terminal 3132 accesses compares compared with reference voltage
As a result processor circuit 32 is sent to, processor circuit 32 judges whether theft-proof sensor detection terminal 3 is removed accordingly.
Tamper conducting wire will remove detection terminal 3 around being located on the outside of fixed gold utensil, first have to destroy tamper conducting wire, this
When processor circuit 32 abnormal signal is detected by exterior decomposing prevention circuit 3 313 and is alarmed；Resistance is provided with tamper conducting wire,
Avoid simulating tamper conducting wire, so as to losing anti-theft effect.
Further, device inclined observation circuit 314 includes being connected in series in the 16th resistance between power supply and ground, first
The tie point of universal switch and the second universal switch, the 16th resistance and the first universal switch is connected with processor circuit 32, the
One universal switch both ends are in parallel with the 4th capacitance, and the second universal switch both ends are in parallel with the 5th capacitance,
Detection terminal circuit 315 of preventing uncapping includes tongue tube one, is provided with detection terminal 3 on lid corresponding with tongue tube one
Magnet one.
When 3 run-off the straight of detection terminal, the output signal of the first universal switch and the second universal switch changes, the
The level of 16 resistance and the first universal switch tie point changes, and processor circuit 32 is judged by reading the level signal
With the presence or absence of exception；Detection terminal, which prevents uncapping, sets tongue tube one in circuit 315, and in the relevant position of 3 upper cover of detection terminal
Magnet is set, and when 3 upper cover of detection terminal is maliciously opened, the state of tongue tube one changes, and detection terminal prevents electricity of uncapping
The output on road 315 changes, and processor circuit 32 judges whether exception by reading the level signal.
Further, serial communication circuit 33 includes sequentially connected power amplification circuit 331, light-coupled isolation conversion circuit
332 and RS485 communication interface circuits 333, the input terminal of power amplification circuit 331 are connected with processor circuit 32, RS485 communications
Interface circuit 333 is connected with host computer, and serial communication circuit 33 is two-way.
Further, GPRS telecommunication circuits 34 include power circuit 346, the charging electricity being connected with GPRS/GPS modules 341
Road 343, power control circuit 345, GPRS interface circuits 342, GPS interface circuit 344 and SIM card interface circuit 347, power supply control
Circuit 345 processed is connected with processor circuit 32.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
- A kind of 1. anti-theft device for transformer, it is characterised in that：Including theft-proof sensor and detection terminal (3), the antitheft sensing Device includes sensor outer housing and the sensor circuit (2) being arranged in the sensor outer housing, and the sensor circuit (2) includes Transformer prevents uncapping circuit (21) and sensor prevents circuit (22) of uncapping,The transformer, which is prevented uncapping, is provided with transformer interface (211) in circuit (21), the transformer interface (211) with it is antitheft Resistance (11) both ends connect, and the antitheft resistance (11) is located in the trip bolt on transformer (1) on lid,The transformer, which is prevented uncapping, is additionally provided with two detection terminal interfaces one (212) in circuit (21), and two detections are eventually Corresponding port of the end interface one (212) respectively with the detection terminal (3) is connected.
- A kind of 2. anti-theft device for transformer according to claim 1, it is characterised in that：The transformer interface (211), institute It is two to state antitheft resistance (11) and the trip bolt.
- A kind of 3. anti-theft device for transformer according to claim 1, it is characterised in that：The sensor prevents circuit of uncapping (22) tongue tube (222) is provided with, magnetic corresponding with the tongue tube (222) is provided with the upper lid of the sensor outer housing Iron, the sensor, which is prevented uncapping, is provided with two detection terminal interfaces two (221) in circuit (22), and two detection terminals connect Corresponding port of two (221) of mouth respectively with the detection terminal (3) is connected.
- A kind of 4. anti-theft device for transformer according to claim 1, it is characterised in that：The transformer prevents circuit of uncapping (21) and the sensor prevent uncapping circuit (22) be several resistance and capacitance composition series-parallel circuit, the connection in series-parallel Several spare interfaces (213) are provided with circuit.
- A kind of 5. anti-theft device for transformer according to claim 3, it is characterised in that：The detection terminal (3) includes equal Antitheft detection circuit (31), serial communication circuit (33) and the GPRS telecommunication circuits (34) being connected with processor circuit (32), institute State antitheft detection circuit (31) include be connected with the processor circuit (32) exterior decomposing prevention circuit one (311), outside prevent Tear circuit two (312) open, exterior decomposing prevention circuit three (313), device inclined observation circuit (314) and detection terminal prevent circuit of uncapping (315), exterior decomposing prevention circuit one (311) input is connected with the detection terminal interface one (212), the exterior tamper electricity Road two (312) input is connected with the detection terminal interface two (221), exterior decomposing prevention circuit three (313) input and tamper Conducting wire connects.
- A kind of 6. anti-theft device for transformer according to claim 5, it is characterised in that：The exterior decomposing prevention circuit one (311) Second terminal (3112) and voltage comparator one (3113) are included, the input terminal of the voltage comparator one (3113) leads to The Second terminal (3112) is crossed to be connected with the detection terminal interface one (212), the voltage comparator one (3113) it is defeated Enter end to be also connected with reference voltage circuit one (3111), output terminal and the processor electricity of the voltage comparator one (3113) Road (32) connects,The exterior decomposing prevention circuit two (312) includes third terminal (3122) and voltage comparator two (3123), the voltage ratio Input terminal compared with device two (3123) is connected by the third terminal (3122) with the detection terminal interface two (221), described The input terminal of voltage comparator two (3123) is also connected with reference voltage circuit two (3121), the voltage comparator two (3123) Output terminal be connected with the processor circuit (32),The exterior decomposing prevention circuit three (313) includes forth terminal (3132) and voltage comparator three (3133), the voltage ratio Input terminal compared with device three (3133) is connected by the forth terminal (3132) with tamper conducting wire, the voltage comparator three (3133) input terminal is also connected with reference voltage circuit three (3131), the output terminal of the voltage comparator three (3133) and institute State processor circuit (32) connection.
- 7. according to a kind of anti-theft device for transformer of claim 5~6 any one of them, it is characterised in that：The detection terminal (3) set on utility poles by fixed gold utensil, the tamper conducting wire is around being located on the outside of the fixed gold utensil, and the tamper is led Resistance is provided among line.
- A kind of 8. anti-theft device for transformer according to claim 5, it is characterised in that：The device inclined observation circuit (314) include being connected in series in the 16th resistance, the first universal switch and the second universal switch between power supply and ground, described the The tie point of 16 resistance and first universal switch is connected with the processor circuit (32), first universal switch two End is in parallel with the 4th capacitance, and the second universal switch both ends are in parallel with the 5th capacitance,Detection terminal circuit (315) of preventing uncapping includes tongue tube one, be provided with the detection terminal (3) on lid with it is described The corresponding magnet one of tongue tube one.
- A kind of 9. anti-theft device for transformer according to claim 5, it is characterised in that：Serial communication circuit (33) bag Sequentially connected power amplification circuit (331), light-coupled isolation conversion circuit (332) and RS485 communication interface circuits (333) are included, The input terminal of the power amplification circuit (331) is connected with the processor circuit (32), the RS485 communication interface circuits (333) it is connected with host computer, the serial communication circuit (33) is two-way.
- A kind of 10. anti-theft device for transformer according to claim 5, it is characterised in that：The GPRS telecommunication circuits (34) Including be connected with GPRS/GPS modules (341) power circuit (346), charging circuit (343), power control circuit (345), GPRS interface circuits (342), GPS interface circuit (344) and SIM card interface circuit (347), the power control circuit (345) It is connected with processor circuit (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721387336.3U CN207302262U (en) | 2017-10-25 | 2017-10-25 | A kind of anti-theft device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721387336.3U CN207302262U (en) | 2017-10-25 | 2017-10-25 | A kind of anti-theft device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302262U true CN207302262U (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721387336.3U Expired - Fee Related CN207302262U (en) | 2017-10-25 | 2017-10-25 | A kind of anti-theft device for transformer |
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| Country | Link |
|---|---|
| CN (1) | CN207302262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500085A (en) * | 2019-09-24 | 2019-11-26 | 天津七一二通信广播股份有限公司 | A kind of wireless pressure transmitter device with displacement and anti-theft monitoring function |
| CN111080934A (en) * | 2019-12-18 | 2020-04-28 | 大唐半导体科技有限公司 | Anti-dismantling circuit for refueling tax control machine and processing method thereof |
-
2017
- 2017-10-25 CN CN201721387336.3U patent/CN207302262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500085A (en) * | 2019-09-24 | 2019-11-26 | 天津七一二通信广播股份有限公司 | A kind of wireless pressure transmitter device with displacement and anti-theft monitoring function |
| CN111080934A (en) * | 2019-12-18 | 2020-04-28 | 大唐半导体科技有限公司 | Anti-dismantling circuit for refueling tax control machine and processing method thereof |
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