CN103401301A - Self-power-take device for fault indicator - Google Patents
Self-power-take device for fault indicator Download PDFInfo
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- CN103401301A CN103401301A CN2013103402736A CN201310340273A CN103401301A CN 103401301 A CN103401301 A CN 103401301A CN 2013103402736 A CN2013103402736 A CN 2013103402736A CN 201310340273 A CN201310340273 A CN 201310340273A CN 103401301 A CN103401301 A CN 103401301A
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Abstract
The invention discloses a self-power-take device for a fault indicator. The self-power-take device comprises a power-take sensing unit, wherein the output end of the power-take sensing unit is connected in parallel with an overvoltage protection unit and a rectifying unit in sequence; the current input end of a rectifying unit is connected with in series an overcurrent protection unit; the current output end of the rectifying unit is electrically connected with a voltage stabilizing unit; and the voltage stabilizing unit is electrically connected with a storage battery. Large input current is converted into small current in a reasonable range by using a mutual inductor principle, and energy conversion on a high-voltage lead is realized through rectifying and voltage stabilizing processing. Moreover, the quality of output electric energy is high, and stable work in the wild for more than eight years is realized; moreover, the output electric energy is stable, the cost is lower, convenience is brought to control, the problems of short service life and difficulty in replacing existing in the conventional storage battery are solved, and the continuous working time of the fault indicator is greatly prolonged. Therefore, reliability of a circuit fault location and online monitoring device is improved, and sound technical support is provided for the safe, high-quality and economic running of a power grid.
Description
Technical field
The present invention relates to a kind of electricity getting device, relate in particular to a kind of fault detector automatic electricity getting device.
Background technology
Fault detector is because volume is little, dispersion is installed, the reasons such as quantity is large are installed can only be by storage battery power supply, continuous service time of the general less than 6 months of a storage battery itself, expire and just need to change charging to storage battery, therefore need to regularly set out Construction traffic and the attendant of specialty, if preventive maintenance time misregister, safeguard not in placely, be easy to produce the adverse consequencess such as burning apparatus, cause huge economic loss and have serious potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple in structure, and is easy to use, the fault detector automatic electricity getting device that maintenance period is long.
For solving the problems of the technologies described above; technical scheme of the present invention is: fault detector automatic electricity getting device; be arranged in fault detector; be electrically connected to the power supply circuits in described fault detector; comprise the power taking sensing unit; the output of described power taking sensing unit is parallel with Overvoltage protecting unit and rectification unit successively; and the current input terminal of described rectification unit is serially connected with over-current protecting unit; the current output terminal of described rectification unit is electrically connected with voltage regulation unit, and described voltage regulation unit is electrically connected with storage battery.
As preferred technical scheme, described power taking sensing unit comprises the induced electricity magnet ring, is wound with electricity taking coil on described induced electricity magnet ring.
As preferred technical scheme, described Overvoltage protecting unit comprises the piezo-resistance that is connected to described electricity taking coil two ends.
As preferred technical scheme, described over-current protecting unit is the overcurrent protection resistance that is serially connected between described electricity taking coil and described rectification unit.
as preferred technical scheme, described voltage regulation unit comprises ultra low-power microcontroller, be serially connected with resistance R 1 between described ultra low-power microcontroller and described rectification unit, described ultra low-power microcontroller is provided with 15 pins, wherein a pin is electrically connected with resistance R 4, two pin are electrically connected with capacitor C 9, the output of the output of described resistance R 4 and described capacitor C 9 is electrically connected and forms the timing circuit of described ultra low-power microcontroller, and the output of described resistance R 1 is electrically connected to the output of described resistance R 4 by resistance R 2, tripod directly is electrically connected to the input of described resistance R 2 by wire, four pin are by resistance R 6, resistance R 7 is connected with resistance R and is connected with ground end, five pin are electrically connected to the output of described resistance R 4 by reset delay capacitor C 6, six pin are electrically connected to the negative pole of described storage battery by capacitor C 16 and diode D1, and be parallel with the series arm of capacitor C 10 and resistance R 5 between the negative electrode of described diode D1 and anode, seven pin are electrically connected to the positive pole of described storage battery by inductance L 1 and diode D2, octal is connected to the output of described resistance R 4 by wire, nine pin, 11 pin and ten tripods are empty pin, ten pin are connected to the output of described resistance R 4 by capacitor C 7, and the two ends of described capacitor C 7 are parallel with the series arm of capacitor C 8 and resistance R 3, 12 pin are connected to the output of described resistance R 4 by capacitor C 5, 14 pin are connected to the output of described resistance R 4 by capacitor C 4, 15 pin are connected to the output of described resistance R 4 by capacitor C 3, be parallel with successively capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14 and capacitor C 15 between the negative pole of described inductance L 1 and described storage battery.
As to improvement of the technical scheme, described capacitor C 12, capacitor C 13 and capacitor C 14 are set to respectively the electrochemical capacitor of 220 μ F/40V.
As to improvement of the technical scheme, be in series with capacitor C 1 between the output of described rectification unit and the negative electrode of described storage battery, the two ends of described capacitor C 1 are parallel with capacitor C 2, are serially connected with diode D3 between the power supply circuits input of the anode of described storage battery and described fault detector.
Owing to having adopted technique scheme, fault detector automatic electricity getting device, be arranged in fault detector, be electrically connected to the power supply circuits in described fault detector, comprise the power taking sensing unit, the output of described power taking sensing unit is parallel with Overvoltage protecting unit and rectification unit successively, and the current input terminal of described rectification unit is serially connected with over-current protecting unit, the current output terminal of described rectification unit is electrically connected with voltage regulation unit, and described voltage regulation unit is electrically connected with storage battery; The invention has the beneficial effects as follows: utilizing the instrument transformer principle, is the rational little electric current of scope with the large current conversion of input,, through the processing of over commutation, voltage stabilizing, realizes the power conversion on high-voltage conducting wires.The quality that the present invention exports electric energy is higher, steady operation is more than 8 years in the open air, and the output electric energy is stable, cost is lower, be convenient to control, solved the problem that the traditional storage battery life-span is short, change difficulty, greatly improved the stream time of fault detector, thereby improved the reliability of line fault location and on-line monitoring device, for safety, high-quality, the economical operation of electrical network provides solid technical guarantee.
Description of drawings
The following drawings only is intended to the present invention is done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the circuit theory diagrams of the embodiment of the present invention;
In figure: 1-power taking sensing unit; 11-induced electricity magnet ring; The 12-electricity taking coil; The 2-Overvoltage protecting unit; The 3-rectification unit; The 4-over-current protecting unit; The 5-voltage regulation unit; The 6-storage battery;
Embodiment
, below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present invention has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection range of restriction claim.
As shown in Figure 1; fault detector automatic electricity getting device; be arranged in fault detector; be electrically connected to the power supply circuits in described fault detector; comprise the power taking sensing unit 1 that is set in the high-voltage conducting wires periphery; the output of described power taking sensing unit 1 is parallel with Overvoltage protecting unit 2 and rectification unit 3 successively; and the current input terminal of described rectification unit 3 is serially connected with over-current protecting unit 4; the current output terminal of described rectification unit 3 is electrically connected with voltage regulation unit 5, and described voltage regulation unit 5 is electrically connected with storage battery 6.
Described power taking sensing unit 1 comprises the induced electricity magnet ring 11 that is sleeved on the high-voltage conducting wires periphery, is wound with electricity taking coil 12 on described induced electricity magnet ring 11.Described Overvoltage protecting unit 2 comprises the piezo-resistance that is connected to described electricity taking coil 12 two ends.Described over-current protecting unit 4 is for being serially connected in the overcurrent protection resistance between described electricity taking coil 12 and described rectification unit 3.
described voltage regulation unit 5 comprises ultra low-power microcontroller, be serially connected with resistance R 1 between described ultra low-power microcontroller and described rectification unit 3, described ultra low-power microcontroller is provided with 15 pins, wherein a pin is electrically connected with resistance R 4, two pin are electrically connected with capacitor C 9, the output of the output of described resistance R 4 and described capacitor C 9 is electrically connected and forms the timing circuit of described ultra low-power microcontroller, and the output of described resistance R 1 is electrically connected to the output of described resistance R 4 by resistance R 2, tripod directly is electrically connected to the input of described resistance R 2 by wire, four pin are by resistance R 6, resistance R 7 is connected with resistance R and is connected with ground end, five pin are electrically connected to the output of described resistance R 4 by reset delay capacitor C 6, six pin are electrically connected to the negative pole of described storage battery 6 by capacitor C 16 and diode D1, and be parallel with the series arm of capacitor C 10 and resistance R 5 between the negative electrode of described diode D1 and anode, diode D1 adopts MBR2080 type Schottky diode, use as fly-wheel diode, seven pin are electrically connected to the positive pole of described storage battery 6 by inductance L 1 and diode D2, octal is connected to the output of described resistance R 4 by wire, nine pin, 11 pin and ten tripods are empty pin, ten pin are connected to the output of described resistance R 4 by capacitor C 7, capacitor C 7 is used for high frequency compensation, and the two ends of described capacitor C 7 are parallel with the series arm of capacitor C 8 and resistance R 3, this series arm forms frequency compensated circuit, 12 pin are connected to the output of described resistance R 4 by capacitor C 5, 14 pin are connected to the output of described resistance R 4 by capacitor C 4, 15 pin are connected to the output of described resistance R 4 by capacitor C 3, be parallel with successively capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14 and capacitor C 15 between the negative pole of described inductance L 1 and described storage battery 6, form and absorb network, wherein capacitor C 12, capacitor C 13 and capacitor C 14 are the output filter capacitor, the three is the electrochemical capacitor of identical 220 μ F/40V, be used for to reduce its equivalent inductance, capacitor C 15 is super capacitor, as energy storage, uses.
Be in series with capacitor C 1 between the negative electrode of the output of described rectification unit 3 and described storage battery 6, the two ends of described capacitor C 1 are parallel with capacitor C 2, capacitor C 1 and capacitor C 2 have the effect of filtering, are serially connected with diode D3 between the power supply circuits input of the anode of described storage battery 6 and described fault detector.
Utilizing the instrument transformer principle, is the rational little electric current of scope with the large current conversion of input,, through the processing of over commutation, voltage stabilizing, realizes the power conversion on high-voltage conducting wires.The quality that the present invention exports electric energy is higher, steady operation is more than 8 years in the open air, and the output electric energy is stable, cost is lower, be convenient to control, solved the problem that the traditional storage battery life-span is short, change difficulty, greatly improved the stream time of fault detector, thereby improved the reliability of line fault location and on-line monitoring device, for safety, high-quality, the economical operation of electrical network provides solid technical guarantee.
As mentioned above, describe particularly embodiments of the invention in the above, but the invention is not restricted to this.It should be appreciated by those skilled in the art, can carry out various modifications, combination, sub-portfolio or replacement according to designing requirement or other factors, and they are in the scope of claims and equivalent thereof.
Claims (7)
1. fault detector automatic electricity getting device; be arranged in fault detector; be electrically connected to the power supply circuits in described fault detector; it is characterized in that: comprise the power taking sensing unit; the output of described power taking sensing unit is parallel with Overvoltage protecting unit and rectification unit successively; and the current input terminal of described rectification unit is serially connected with over-current protecting unit, and the current output terminal of described rectification unit is electrically connected with voltage regulation unit, and described voltage regulation unit is electrically connected with storage battery.
2. fault detector automatic electricity getting device as claimed in claim 1, it is characterized in that: described power taking sensing unit comprises the induced electricity magnet ring, is wound with electricity taking coil on described induced electricity magnet ring.
3. fault detector automatic electricity getting device as claimed in claim 2, it is characterized in that: described Overvoltage protecting unit comprises the piezo-resistance that is connected to described electricity taking coil two ends.
4. fault detector automatic electricity getting device as claimed in claim 2, it is characterized in that: described over-current protecting unit is the overcurrent protection resistance that is serially connected between described electricity taking coil and described rectification unit.
5. fault detector automatic electricity getting device as claimed in claim 2, it is characterized in that: described voltage regulation unit comprises ultra low-power microcontroller, be serially connected with resistance R 1 between described ultra low-power microcontroller and described rectification unit, described ultra low-power microcontroller is provided with 15 pins, wherein a pin is electrically connected with resistance R 4, two pin are electrically connected with capacitor C 9, the output of the output of described resistance R 4 and described capacitor C 9 is electrically connected and forms the timing circuit of described ultra low-power microcontroller, and the output of described resistance R 1 is electrically connected to the output of described resistance R 4 by resistance R 2, tripod directly is electrically connected to the input of described resistance R 2 by wire, four pin are by resistance R 6, resistance R 7 is connected with resistance R and is connected with ground end, five pin are electrically connected to the output of described resistance R 4 by reset delay capacitor C 6, six pin are electrically connected to the negative pole of described storage battery by capacitor C 16 and diode D1, and be parallel with the series arm of capacitor C 10 and resistance R 5 between the negative electrode of described diode D1 and anode, seven pin are electrically connected to the positive pole of described storage battery by inductance L 1 and diode D2, octal is connected to the output of described resistance R 4 by wire, nine pin, 11 pin and ten tripods are empty pin, ten pin are connected to the output of described resistance R 4 by capacitor C 7, and the two ends of described capacitor C 7 are parallel with the series arm of capacitor C 8 and resistance R 3, 12 pin are connected to the output of described resistance R 4 by capacitor C 5, 14 pin are connected to the output of described resistance R 4 by capacitor C 4, 15 pin are connected to the output of described resistance R 4 by capacitor C 3, be parallel with successively capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14 and capacitor C 15 between the negative pole of described inductance L 1 and described storage battery.
6. fault detector automatic electricity getting device as claimed in claim 5, it is characterized in that: described capacitor C 12, capacitor C 13 and capacitor C 14 are set to respectively the electrochemical capacitor of 220 μ F/40V.
7. the described fault detector automatic electricity getting of claim as arbitrary in claim 1 to 6 device, it is characterized in that: be in series with capacitor C 1 between the output of described rectification unit and the negative electrode of described storage battery, the two ends of described capacitor C 1 are parallel with capacitor C 2, are serially connected with diode D3 between the power supply circuits input of the anode of described storage battery and described fault detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103402736A CN103401301A (en) | 2013-08-06 | 2013-08-06 | Self-power-take device for fault indicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103402736A CN103401301A (en) | 2013-08-06 | 2013-08-06 | Self-power-take device for fault indicator |
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| CN103401301A true CN103401301A (en) | 2013-11-20 |
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| CN2013103402736A Pending CN103401301A (en) | 2013-08-06 | 2013-08-06 | Self-power-take device for fault indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936192A (en) * | 2019-03-26 | 2019-06-25 | 深圳市赛飞奇光子技术有限公司 | A kind of circuit structure powered to detector for electric fire protection |
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- 2013-08-06 CN CN2013103402736A patent/CN103401301A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936192A (en) * | 2019-03-26 | 2019-06-25 | 深圳市赛飞奇光子技术有限公司 | A kind of circuit structure powered to detector for electric fire protection |
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