CN209000177U - The anti-power transmission alarm device of 10KV power distribution station - Google Patents
The anti-power transmission alarm device of 10KV power distribution station Download PDFInfo
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- CN209000177U CN209000177U CN201821583856.6U CN201821583856U CN209000177U CN 209000177 U CN209000177 U CN 209000177U CN 201821583856 U CN201821583856 U CN 201821583856U CN 209000177 U CN209000177 U CN 209000177U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 230000006698 induction Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 206010014357 Electric shock Diseases 0.000 abstract description 9
- 239000003990 capacitor Substances 0.000 description 21
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- ZRHANBBTXQZFSP-UHFFFAOYSA-M potassium;4-amino-3,5,6-trichloropyridine-2-carboxylate Chemical group [K+].NC1=C(Cl)C(Cl)=NC(C([O-])=O)=C1Cl ZRHANBBTXQZFSP-UHFFFAOYSA-M 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of anti-power transmission alarm devices of 10KV power distribution station, and induction electrode is installed on detected cable, and the voltage signal that will test is sent to voltage detection circuit；Voltage detection circuit is built-in with time-base integrated circuit, and time-base integrated circuit sends to control loop after receiving voltage signal and being handled and controls signal；Control loop is built-in with the second integrated circuit, and the second integrated circuit converts it into warning trigger signal after receiving the control signal that control loop sends over, and warning trigger signal is sent to buzzer driving circuit；Buzzer driving circuit is built-in with frequency power amplifying IC, and frequency power amplifying IC sends alarm to buzzer after receiving warning trigger signal and being amplified and executes signal, and buzzer receives after alarm executes signal and issues alarm signal.The utility model can remind Field Force to send the occurrence of electric by sound alarm, largely avoided Field Force and Danger Electric shock risk occurs.
Description
Technical field
The present invention relates to power distribution station safety means technical fields, more specifically to a kind of anti-power transmission of 10KV power distribution station
Alarm device.
Background technique
In power supply system, accident of human electric shock happens occasionally.In recent years, caused by accident of human electric shock because of anti-power transmission
Get an electric shock (electric shock) accident be in increased trend, cause a large amount of casualties and equipment damage, should cause widely pay attention to
It is vigilant.
The staff to work in 10KV power distribution station is guaranteed before work by technical measures such as power failure, electrical verification, ground connection
Device, the facility true no-voltage before construction operation.If but there is the anti-power transmission situation of user side during construction operation, although logical
It crosses ground line and imports the earth, but Field Force and ignorant earthing or grounding means have charged, and considerably increase personnel's Danger Electric shock risk.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of anti-power transmission alarm device of 10KV power distribution station, can remind scene
When personnel have anti-power transmission to happen, forbid close to earthing or grounding means；The responsible person that works suspends field operation, searches anti-power transmission in time
Situation avoids Field Force that Danger Electric shock risk occurs.
In order to achieve the above object, the present invention provides a kind of anti-power transmission alarm device of 10KV power distribution station, including is sequentially connected
Induction electrode, voltage detection circuit, control loop, buzzer driving circuit, buzzer.
The induction electrode is installed on detected cable, and the voltage signal that will test is sent to voltage detecting and returns
Road.
The voltage detection circuit is built-in with time-base integrated circuit, and the time-base integrated circuit receives the voltage signal
And control signal is sent to the control loop after being handled.
The control loop is built-in with the second integrated circuit, and second integrated circuit receives the control loop and sends
Warning trigger signal is converted it into after the control signal to come over, and the warning trigger signal is sent to buzzer and is driven back
Road.
The buzzer driving circuit is built-in with frequency power amplifying IC, the frequency power amplifying IC
Alarm is sent to the buzzer after receiving the warning trigger signal and being amplified and executes signal, and the buzzer receives
The alarm issues alarm signal after executing signal.
Above-mentioned 10KV power distribution station anti-power transmission alarm device further includes power circuit under preferred embodiment, the power circuit to
The voltage detection circuit, control loop, buzzer driving circuit and buzzer power supply.
The above-mentioned anti-power transmission alarm device of 10KV power distribution station, under preferred embodiment, the power circuit includes battery, and with institute
State the concatenated power switch of battery and filter condenser.
It is an advantage of the current invention that on-site personnel can learn line at the first time after being mounted with this alarm device
Anti- power transmission occurs for road, and by the aural warning of duration, reminds Field Force to send the occurrence of electric, forbid by proximity
Ground device and operating room are every work responsible person pauses immediately field operation, searches send electric situation in time, largely avoided scene
Danger Electric shock risk occurs for personnel.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is schematic view of the mounting position of the invention；
Fig. 3 is structure connection diagram of the invention；
Fig. 4 is circuit diagram of the invention.
Specific embodiment
As shown in figure 3, the present invention is a kind of anti-power transmission alarm device 100 of 10KV power distribution station, including the induction being sequentially connected
Electrode 1a, voltage detection circuit 2a, control loop 3a, buzzer driving circuit 4a, buzzer 5a.
The induction electrode 1a is installed on detected cable, and the voltage signal that will test is sent to voltage detecting
Circuit 2a.
The voltage detection circuit 2a is built-in with time-base integrated circuit IC1, and the time-base integrated circuit IC1 receives described
Voltage signal simultaneously sends control signal to the control loop 3a after being handled.Wherein time-base integrated circuit IC1 can be with type selecting
Number be HD74LS03P, other models of identical function can also be selected.
The control loop 3a is built-in with the second Integrated circuit IC 2, and second Integrated circuit IC 2 receives the control
Warning trigger signal is converted it into after the control signal that circuit 3a is sended over, and the warning trigger signal is sent to bee
Ring device driving circuit 4a.Wherein the second Integrated circuit IC 2 can select model HA1371, can also select identical function
Other models.
The buzzer driving circuit 4a is built-in with frequency power amplifying IC IC3, the Audio power amplifier collection
Alarm, which is sent, to the buzzer 5a after receiving the warning trigger signal at IC circuit 3 and amplified executes signal, institute
It states after buzzer 5a receives the alarm execution signal and issues alarm signal.Wherein frequency power amplifying IC IC3 can be with
Model HA1371 is selected, other models of identical function can also be selected.
The anti-power transmission alarm device 100 of 10KV power distribution station further includes power circuit 6a, and the power circuit is to the electricity
Press measure loop 2a, control loop 3a, buzzer driving circuit 4a and buzzer 5a power supply.
The power circuit 6a includes battery GB, and with the concatenated power switch S of the battery GB and filter condenser
C6。
As shown in Figure 1, the anti-power transmission alarm device 100 of 10KV power distribution station of the present invention is a ring device, it is built-in with induced electricity
Pole 1a and buzzer 5a.
As shown in Fig. 2, anti-100 sets of power transmission alarm device of 10KV power distribution station of the present invention on the Earth Phase of low-voltage grounding wire,
And Earth Phase and alarm device are fastened.Induction electrode 1 in device detects the voltage change of route at work.In Fig. 2
A, B, C respectively indicate three cables of three-phase electricity.
As shown in figure 3, with the unexpected increase of earth current, induction electrode 1a generates induction when there is the generation of anti-power transmission
Voltage, the electric field signal enhancing of voltage detection circuit 2a induction；When the induced voltage of voltage detection circuit 2a detection reaches certain
After numerical value, control loop 3a and buzzer driving circuit 4a is triggered, for starting buzzer 5a to issue the sound equipment of alarm, prompting is existing
Field staff has anti-power transmission to happen.
Fig. 4 is circuit diagram of the invention, as shown in figure 4, the voltage detection circuit is by induction electrode 1a, Shi Ji
Integrated circuit IC l, first resistor device Rl and first capacitor device Cl composition, wherein the resistance value of first resistor device R1 is 100K Ω, the
The capacitor of one capacitor C1 is 10 μ F.
The control loop 3a is made of the second Integrated circuit IC 2, the second capacitor C2, third capacitor C3, wherein the
The capacitor of two capacitor C2 is 100 μ F, and the capacitor of third capacitor C3 is 1 μ F.
The buzzer driving circuit 4a is by second resistor R2 and 3rd resistor R3, third capacitor C3, the 4th capacitor
Device C4, the 5th capacitor C5 and frequency power amplifying IC IC3 are formed, wherein frequency power amplifying IC IC3
Signal output port be connected with the buzzer 5a；Wherein the resistance value of second resistance R2 is 1K Ω, the resistance value of 3rd resistor R3
For 10K Ω；The capacitor of third capacitor C3 is 1 μ F, the capacitor of the 4th capacitor C4 is the resistance value of 4.7 μ F, the 5th capacitor C5
For 10 μ F.
Power circuit is made of battery GB, power switch S and filter condenser C6, and wherein the voltage of battery BG is 4.5V,
The capacitor of filter condenser C6 is 10 μ F.
The present invention at work, powers on switch S first, and device enters the state of alert.
When induction electrode 1 is away from cable farther out or when cable is without electricity, the electric field signal that induction electrode 1 incudes is weaker or non-inductive
3 feet of voltage, IC1 export low level, are equivalent to electronic switch shutdown.
When induction electrode 1 is relatively close away from cable, the electric field signal of voltage detection circuit induction is stronger, time-base integrated circuit
Circuit is overturn in ICl, and 3 feet become high level from low level, and triggering control loop 3 works, the second Integrated circuit IC 2 and audio function
Rate amplification circuit IC3 is powered, and the sound electric signal of the 2 feet output of the second Integrated circuit IC 2 is integrated through Audio power amplifier
After 3 power amplification of IC circuit, buzzer driving circuit drive buzzer 5 issue " dichloro-diphenyl-dichlorothane " sound prompting sound.
Increase the resistance value of first resistor Rl or reduce the capacitor of first capacitor Cl, the second Integrated circuit IC 2 can be extended and leads to
The time of electricity work.
Change the capacitance size of third capacitor C3, wave volume and sound quality can be changed.
The anti-power transmission alarm device 100 of 10KV power distribution station of the present invention is mounted on 10kV power distribution station Circuit Fault on Secondary Transformer low-voltage ground
On the Earth Phase of line, when anti-power transmission situation occurs for user side, alarm device issue " dichloro-diphenyl-dichlorothane " sound alarm, remind live people
Member has anti-power transmission to happen, and forbids close to earthing or grounding means.
After being mounted with this alarm device, on-site personnel can be learnt at the first time occurs anti-power transmission on route, and leads to
The occurrence of crossing the aural warning of duration, Field Force is reminded to send electricity is forbidden close to earthing or grounding means and operating room every work
Field operation is paused immediately as responsible person, searches send electric situation in time, Field Force is largely avoided and Danger Electric shock risk occurs.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of anti-power transmission alarm device of 10KV power distribution station, which is characterized in that including induction electrode (1a), the voltage being sequentially connected
Measure loop (2a), control loop (3a), buzzer driving circuit (4a), buzzer (5a)；
The voltage signal that the induction electrode (1a) is installed on detected cable, and will test is sent to voltage detecting and returns
Road (2a)；
The voltage detection circuit (2a) is built-in with time-base integrated circuit (IC1), and the time-base integrated circuit (IC1) receives institute
Control signal is sent to the control loop (3a) after stating voltage signal and being handled；
The control loop (3a) is built-in with the second integrated circuit (IC2), and second integrated circuit (IC2) receives the control
Warning trigger signal is converted it into after the control signal that circuit (3a) processed sends over, and the warning trigger signal is sent
Give buzzer driving circuit (4a)；
The buzzer driving circuit (4a) is built-in with frequency power amplifying IC (IC3), the Audio power amplifier collection
Alarm, which is sent, to the buzzer (5a) after receiving the warning trigger signal at circuit (IC3) and amplified executes letter
Number, the buzzer (5a) receives after the alarm executes signal and issues alarm signal.
2. the anti-power transmission alarm device of 10KV power distribution station according to claim 1, which is characterized in that further include power circuit
(6a), the power circuit is to the voltage detection circuit (2a), control loop (3a), buzzer driving circuit (4a) and bee
Ring device (5a) power supply.
3. the anti-power transmission alarm device of 10KV power distribution station according to claim 2, which is characterized in that power circuit (6a) packet
Include battery (GB), and with the battery (GB) concatenated power switch (S) and filter condenser (C6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583856.6U CN209000177U (en) | 2018-09-27 | 2018-09-27 | The anti-power transmission alarm device of 10KV power distribution station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583856.6U CN209000177U (en) | 2018-09-27 | 2018-09-27 | The anti-power transmission alarm device of 10KV power distribution station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000177U true CN209000177U (en) | 2019-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821583856.6U Active CN209000177U (en) | 2018-09-27 | 2018-09-27 | The anti-power transmission alarm device of 10KV power distribution station |
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| CN (1) | CN209000177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113723638A (en) * | 2021-11-03 | 2021-11-30 | 国网江西省电力有限公司电力科学研究院 | 10kV line maintenance reverse power transmission verification method and system with distributed power supply |
-
2018
- 2018-09-27 CN CN201821583856.6U patent/CN209000177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113723638A (en) * | 2021-11-03 | 2021-11-30 | 国网江西省电力有限公司电力科学研究院 | 10kV line maintenance reverse power transmission verification method and system with distributed power supply |
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