CN209462087U - Transmission line of electricity monitors terminal power supply system - Google Patents
Transmission line of electricity monitors terminal power supply system Download PDFInfo
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- CN209462087U CN209462087U CN201822186667.1U CN201822186667U CN209462087U CN 209462087 U CN209462087 U CN 209462087U CN 201822186667 U CN201822186667 U CN 201822186667U CN 209462087 U CN209462087 U CN 209462087U
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Abstract
A kind of transmission line of electricity provided by the utility model monitors terminal power supply system, including Current Transmit 1, rectification circuit, front end protective circuit of voltage regulation, first voltage regulator circuit, second voltage regulator circuit, management of charging and discharging circuit, central processing circuit, mobile communication module and lithium battery, the purpose of the utility model is to provide a kind of transmission lines of electricity to monitor terminal power supply system, monitoring terminal by way of taking electricity online for transmission line of electricity provides continual and steady work electricity consumption, and self-protection can be realized according to the fluctuation of electric energy in power supply process and prevent current transformer from open-circuit condition occur, so that it is guaranteed that the safety of entire power supply system, it is continually and steadily run conducive to transmission line of electricity monitoring terminal.
Description
Technical field
The utility model relates to a kind of power equipments more particularly to a kind of transmission line of electricity to monitor terminal power supply system.
Background technique
In the power system, in order to overhead transmission line operating status and environment be monitored, traditional technology use
Manpower, with the development of technology, people gradually propose the mode based on on-line monitoring, i.e., various sensings are arranged in transmission line of electricity
Device and processing circuit form monitoring terminal, and processing circuit is sent to after then sensor acquires data, then by processing electricity
Road reaches monitoring center, still, by the way of online, inevitably needs to be powered each electrical equipment, existing
Power supply mode mainly have following three kinds: in first: battery, this mode cruising ability is poor, needs to be replaced frequently, second
Mode: solar battery, although this mode has the function of clean energy, this mode is feasible when fine,
But when continuous rainy weather occur, electric energy deficiency is often resulted in, to be unfavorable for continuous acquisition；The third mode: online
The mode for taking electricity, i.e., directly acquire alternating current from transmission line of electricity by mutual inductor, be then rectified into powered by direct current, still, existing
Some takes electrical stability poor online, it is difficult to realize self-protection, mutual inductor burning phenomenon usually occurs.
Therefore, in order to solve the above-mentioned technical problem, need to propose a kind of new power supply plan.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of transmission lines of electricity to monitor terminal power supply system, by online
The mode of electricity is taken to provide continual and steady work electricity consumption for the monitoring terminal of transmission line of electricity, and can in power supply process
Self-protection is realized according to the fluctuation of electric energy and prevents current transformer from open-circuit condition occur, so that it is guaranteed that entire power supply system
Safety, conducive to transmission line of electricity monitoring terminal continually and steadily run.
A kind of transmission line of electricity provided by the utility model monitors terminal power supply system, including Current Transmit 1, rectified current
Road, front end protective circuit of voltage regulation, the first voltage regulator circuit, the second voltage regulator circuit, management of charging and discharging circuit, central processing circuit, shifting
Dynamic communication module and lithium battery；
The Current Transmit 1 is set to transmission line of electricity, and the secondary winding both ends of the Current Transmit 1 are connected to
The positive input terminal and negative input end of rectification circuit, the positive output end of the rectification circuit and the input terminal of front end protective circuit of voltage regulation
Connection, the negative output terminal ground connection of rectification circuit, the output of the output end and the first voltage regulator circuit of the front end protective circuit of voltage regulation
End connection, the output end of first voltage regulator circuit are connect with the input terminal of the second voltage regulator circuit, front end protective circuit of voltage regulation
The connection of the input terminal of detection output and central processing circuit, the control signal and centre of front end protective circuit of voltage regulation
The control output end connection of circuit is managed, the output end of first voltage regulator circuit also connects with the charging end of management of charging and discharging circuit
It connects, the management of charging and discharging circuit is connect with lithium battery, the discharge end of the management of charging and discharging circuit and the second voltage regulator circuit
Input terminal connection, the management of charging and discharging circuit are also communicated to connect with central processing circuit, and the central processing circuit passes through shifting
Dynamic communication module and remote monitoring center communicate to connect.
Further, the front end protective circuit of voltage regulation includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electricity
Hinder R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, can
Control silicon SCR1, controllable silicon SCR 2, triode Q1, triode Q2, triode Q3, optocoupler U2, comparator U1, digital regulation resistance RT1,
Voltage-stabiliser tube DW1, voltage-stabiliser tube DW2 and diode D1；
One end of the resistance R1 is connected to the positive output end of rectification circuit as the input terminal of front end protective circuit of voltage regulation,
The other end of resistance R1 is connect by resistance R5 with the collector of triode Q2, and the emitter of triode Q2 is protected as front end pressure stabilizing
The collector of the output end of protection circuit, triode Q2 is connect by resistance R6 with base stage, the base stage and voltage-stabiliser tube DW1 of triode Q2
Cathode connection, the emitter of the plus earth of voltage-stabiliser tube DW1, triode Q2 connect with the cathode of voltage-stabiliser tube DW2, voltage-stabiliser tube
The plus earth of DW2；
The anode of controllable silicon SCR 2 is connected to the points of common connection between the positive output end of rectification circuit and resistance R1, controllably
The cathode of silicon SCR2 is grounded, and the control electrode of controllable silicon SCR 2 is connect with the cathode of diode D1, and the anode of diode D1 passes through electricity
The control output end for hindering R14 and central processing circuit connects；
The anode of controllable silicon SCR 1 is connected to the points of common connection between resistance R1 and resistance R5, the cathode of controllable silicon SCR 1
It is grounded by resistance R2；
Points of common connection between resistance R1 and resistance R5 after resistance R3 and resistance R4 series connection by being grounded, resistance R3 and electricity
Points of common connection between resistance R4 is connected to the reverse side of comparator U1 by resistance R9, a termination power VCC of resistance R13,
The other end is grounded by digital regulation resistance RT1, the points of common connection between resistance R13 and digital regulation resistance RT1 and comparator U1
In-phase end connection, the output end of comparator U1 is connected to the base stage of triode Q3, the emitter of triode Q3 by resistance R8
It is connect with one end of resistance R1, the other end of resistance R1 is connect with the control electrode of controllable silicon SCR 1, and the collector of triode Q3 is logical
The points of common connection that resistance R7 is connected between resistance R3 and resistance R4 is crossed, the emitter of triode Q3 passes through resistance R11 and light
The anode connection of the light emitting diode of coupling U2, the cathode ground connection of the light emitting diode of optocoupler U2, the phototriode of optocoupler U2
Emitter ground connection, the phototriode collector of optocoupler U2 meet power supply VCC, the collector of the phototriode of optocoupler U2 also with electricity
One end connection of R12 is hindered, the other end of resistance R12 connects as front end protective circuit of voltage regulation detection output and central processing circuit
It connects, the control terminal of the digital regulation resistance RT1 is connect with central processing circuit.
Further, the central processing circuit is single-chip microcontroller.
Further, first voltage regulator circuit is LM7812 voltage stabilizing chip.
Further, second voltage regulator circuit is LM7805 voltage stabilizing chip.
Further, the mobile communication module is 4G communication module.
The utility model has the beneficial effects that being the prison of transmission line of electricity by way of taking electricity online by the utility model
It surveys terminal and continual and steady work electricity consumption is provided, and can realize that self is protected according to the fluctuation of electric energy in power supply process
It protects and prevents current transformer from open-circuit condition occur, so that it is guaranteed that the safety of entire power supply system, is conducive to transmission line of electricity and monitors
Terminal is continually and steadily run.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the front end protective circuit of voltage regulation schematic diagram of the utility model.
Specific embodiment
Further description is made to the utility model below in conjunction with Figure of description, as shown in the figure:
A kind of transmission line of electricity provided by the utility model monitors terminal power supply system, including Current Transmit 1, rectified current
Road, front end protective circuit of voltage regulation, the first voltage regulator circuit, the second voltage regulator circuit, management of charging and discharging circuit, central processing circuit, shifting
Dynamic communication module and lithium battery；
The Current Transmit 1 is set to transmission line of electricity, and the secondary winding both ends of the Current Transmit 1 are connected to
The positive input terminal and negative input end of rectification circuit, the positive output end of the rectification circuit and the input terminal of front end protective circuit of voltage regulation
Connection, the negative output terminal ground connection of rectification circuit, the output of the output end and the first voltage regulator circuit of the front end protective circuit of voltage regulation
End connection, the output end of first voltage regulator circuit are connect with the input terminal of the second voltage regulator circuit, front end protective circuit of voltage regulation
The connection of the input terminal of detection output and central processing circuit, the control signal and centre of front end protective circuit of voltage regulation
The control output end connection of circuit is managed, the output end of first voltage regulator circuit also connects with the charging end of management of charging and discharging circuit
It connects, the management of charging and discharging circuit is connect with lithium battery, the discharge end of the management of charging and discharging circuit and the second voltage regulator circuit
Input terminal connection, the management of charging and discharging circuit are also communicated to connect with central processing circuit, and the central processing circuit passes through shifting
Dynamic communication module and remote monitoring center communicate to connect, wherein and first voltage regulator circuit is LM7812 voltage stabilizing chip, described the
Two voltage regulator circuits are LM7805 voltage stabilizing chip, and the mobile communication module is 4G communication module, and central processing circuit is using existing
Single-chip microcontroller, the monitoring terminal by way of taking electricity online for transmission line of electricity provides continual and steady work electricity consumption, and energy
It is enough to realize self-protection according to the fluctuation of electric energy in power supply process and prevent current transformer from open-circuit condition occur, from
And ensure the safety of entire power supply system, it is continually and steadily run conducive to transmission line of electricity monitoring terminal, and the utility model passes through
The mode for taking electricity and lithium battery to combine online, can either guarantee the cruising ability of lithium battery, and can be under power blackout situation still
Terminal upload data can be so monitored, thus convenient to use, central processing circuit uses existing single-chip microcontroller, such as STM32 system
Column single-chip microcontroller, ATmega single-chip microcontroller etc..
In the present embodiment, the front end protective circuit of voltage regulation includes resistance R1, resistance R2, resistance R3, resistance R4, resistance
R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance
R15, controllable silicon SCR 1, controllable silicon SCR 2, triode Q1, triode Q2, triode Q3, optocoupler U2, comparator U1, digital current potential
Device RT1, voltage-stabiliser tube DW1, voltage-stabiliser tube DW2 and diode D1；
One end of the resistance R1 is connected to the positive output end of rectification circuit as the input terminal of front end protective circuit of voltage regulation,
The other end of resistance R1 is connect by resistance R5 with the collector of triode Q2, and the emitter of triode Q2 is protected as front end pressure stabilizing
The collector of the output end of protection circuit, triode Q2 is connect by resistance R6 with base stage, the base stage and voltage-stabiliser tube DW1 of triode Q2
Cathode connection, the emitter of the plus earth of voltage-stabiliser tube DW1, triode Q2 connect with the cathode of voltage-stabiliser tube DW2, voltage-stabiliser tube
The plus earth of DW2；
The anode of controllable silicon SCR 2 is connected to the points of common connection between the positive output end of rectification circuit and resistance R1, controllably
The cathode of silicon SCR2 is grounded, and the control electrode of controllable silicon SCR 2 is connect with the cathode of diode D1, and the anode of diode D1 passes through electricity
The control output end for hindering R14 and central processing circuit connects；
The anode of controllable silicon SCR 1 is connected to the points of common connection between resistance R1 and resistance R5, the cathode of controllable silicon SCR 1
It is grounded by resistance R2；
Points of common connection between resistance R1 and resistance R5 after resistance R3 and resistance R4 series connection by being grounded, resistance R3 and electricity
Points of common connection between resistance R4 is connected to the reverse side of comparator U1 by resistance R9, a termination power VCC of resistance R13,
The other end is grounded by digital regulation resistance RT1, the points of common connection between resistance R13 and digital regulation resistance RT1 and comparator U1
In-phase end connection, the output end of comparator U1 is connected to the base stage of triode Q3, the emitter of triode Q3 by resistance R8
It is connect with one end of resistance R1, the other end of resistance R1 is connect with the control electrode of controllable silicon SCR 1, and the collector of triode Q3 is logical
The points of common connection that resistance R7 is connected between resistance R3 and resistance R4 is crossed, the emitter of triode Q3 passes through resistance R11 and light
The anode connection of the light emitting diode of coupling U2, the cathode ground connection of the light emitting diode of optocoupler U2, the phototriode of optocoupler U2
Emitter ground connection, the phototriode collector of optocoupler U2 meet power supply VCC, the collector of the phototriode of optocoupler U2 also with electricity
One end connection of R12 is hindered, the other end of resistance R12 connects as front end protective circuit of voltage regulation detection output and central processing circuit
It connects, the control terminal of the digital regulation resistance RT1 is connect with central processing circuit, and front end protective circuit of voltage regulation is real in the following way
Existing: when the voltage of transmission line of electricity is normal, the primary by triode Q2, resistance R6, voltage-stabiliser tube DW1 and voltage-stabiliser tube D2 composition is steady
Volt circuit forms stable DC electricity, and the voltage of the direct current is generally higher than 12V, exports and stablizes after being handled by the first voltage regulator circuit
12V, by the second voltage regulator circuit handle after export stable 5V；
When voltage fluctuates, the detection circuit of resistance R3 and resistance R4 composition is monitored fluctuation voltage, then
It is sent in comparator U1, the first voltage threshold value comparison of comparator U1 and setting, if it is greater than the first voltage threshold value of setting,
High level is then exported, at this point, triode Q3 is connected, then 1 control electrode of controllable silicon SCR is conducted, thus to the electricity of subsequent conditioning circuit
Stream carries out shunting processing, reduces the obtained electric current of subsequent conditioning circuit, and since triode Q3 is connected, optocoupler is so same that conduct, electricity
One end that resistance R12 is connect with central processing circuit is set to low level, and central processing circuit controls digital regulation resistance RT1 movement,
Adjust digital regulation resistance RT1 resistance value, so as to adjust comparator U1 reverse side reference voltage formed second voltage threshold value, one
As be to tune up reference voltage, if the second voltage threshold of setting is still greater than in the voltage value of resistance R3 and resistance R4 detection at this time
Controllable silicon SCR 2 is connected then central control circuit exports Trig control signal in value, so that short circuit is carried out to subsequent conditioning circuit,
And then subsequent conditioning circuit is protected, when the virtual voltage between resistance R3 and resistance R4 be less than second voltage threshold value when, then in
Controller control digital regulation resistance RT1 movement is entreated, the reference voltage of comparator U1 is made to be set as tertiary voltage threshold value, tertiary voltage
Threshold value is a safer threshold value, is greater than first voltage threshold value, but be less than second voltage threshold value, when voltage is in first
As safe when voltage threshold and tertiary voltage threshold value, subsequent voltage regulator circuit can digest, at this point, central processing circuit
The of short duration conducting of triode Q1 is controlled, so that controllable silicon SCR 1 turns off, then ends triode Q1, at this point, subsequent primary pressure stabilizing
Circuit, the first voltage regulator circuit and the second voltage regulator circuit still can work normally.
In the present embodiment, the mobile communication module is 4G communication module, and by 4G module, central processing circuit can be incited somebody to action
The case where voltage fluctuation, feeds back to remote monitoring center, while central processing circuit can be by obtaining management of charging and discharging circuit
The health status of lithium battery is solved, and remote monitoring center is fed back to by 4G communication module.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of transmission line of electricity monitors terminal power supply system, it is characterised in that: including Current Transmit 1, rectification circuit, front end
Protective circuit of voltage regulation, the first voltage regulator circuit, the second voltage regulator circuit, management of charging and discharging circuit, central processing circuit, mobile communication mould
Block and lithium battery；
The Current Transmit 1 is set to transmission line of electricity, and the secondary winding both ends of the Current Transmit 1 are connected to rectification
The positive input terminal and negative input end of circuit, the positive output end of the rectification circuit and the input terminal of front end protective circuit of voltage regulation connect
It connects, the negative output terminal ground connection of rectification circuit, the output end of the front end protective circuit of voltage regulation and the output end of the first voltage regulator circuit
Connection, the output end of first voltage regulator circuit are connect with the input terminal of the second voltage regulator circuit, the inspection of front end protective circuit of voltage regulation
The input terminal for surveying output end and central processing circuit connects, the control signal and central processing of the front end protective circuit of voltage regulation
The control output end of circuit connects, and the output end of first voltage regulator circuit is also connect with the charging end of management of charging and discharging circuit,
The management of charging and discharging circuit is connect with lithium battery, the input of the discharge end and the second voltage regulator circuit of the management of charging and discharging circuit
End connection, the management of charging and discharging circuit are also communicated to connect with central processing circuit, and the central processing circuit passes through mobile logical
Believe that module and remote monitoring center communicate to connect.
2. transmission line of electricity monitors terminal power supply system according to claim 1, it is characterised in that: the front end voltage-stabilizing protection electricity
Road include resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10,
Resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, controllable silicon SCR 1, controllable silicon SCR 2, triode Q1, triode
Q2, triode Q3, optocoupler U2, comparator U1, digital regulation resistance RT1, voltage-stabiliser tube DW1, voltage-stabiliser tube DW2 and diode D1；
One end of the resistance R1 is connected to the positive output end of rectification circuit, resistance as the input terminal of front end protective circuit of voltage regulation
The other end of R1 is connect by resistance R5 with the collector of triode Q2, and the emitter of triode Q2 is as front end voltage-stabilizing protection electricity
The collector of the output end on road, triode Q2 is connect by resistance R6 with base stage, the base stage of triode Q2 and bearing for voltage-stabiliser tube DW1
Pole connection, the emitter of the plus earth of voltage-stabiliser tube DW1, triode Q2 are connect with the cathode of voltage-stabiliser tube DW2, voltage-stabiliser tube DW2's
Plus earth；
The anode of controllable silicon SCR 2 is connected to the points of common connection between the positive output end of rectification circuit and resistance R1, silicon-controlled
The cathode of SCR2 is grounded, and the control electrode of controllable silicon SCR 2 is connect with the cathode of diode D1, and the anode of diode D1 passes through resistance
The connection of the control output end of R14 and central processing circuit；
The anode of controllable silicon SCR 1 is connected to the points of common connection between resistance R1 and resistance R5, and the cathode of controllable silicon SCR 1 passes through
Resistance R2 ground connection；
Points of common connection between resistance R1 and resistance R5 after resistance R3 and resistance R4 series connection by being grounded, resistance R3 and resistance R4
Between points of common connection be connected to the reverse side of comparator U1 by resistance R9, a termination power VCC of resistance R13 is another
End is grounded by digital regulation resistance RT1, and the points of common connection between resistance R13 and digital regulation resistance RT1 is same with comparator U1's
The connection of phase end, the output end of comparator U1 are connected to the base stage of triode Q3, the emitter and electricity of triode Q3 by resistance R8
One end connection of R1 is hindered, the other end of resistance R1 is connect with the control electrode of controllable silicon SCR 1, and the collector of triode Q3 passes through electricity
Resistance R7 is connected to the points of common connection between resistance R3 and resistance R4, and the emitter of triode Q3 passes through resistance R11 and optocoupler U2
Light emitting diode anode connection, the light emitting diode of optocoupler U2 cathode ground connection, the transmitting of the phototriode of optocoupler U2
Pole ground connection, the phototriode collector of optocoupler U2 meet power supply VCC, the collector of the phototriode of optocoupler U2 also with resistance
One end of R12 connects, and the other end of resistance R12 connects as front end protective circuit of voltage regulation detection output and central processing circuit
It connects, the control terminal of the digital regulation resistance RT1 is connect with central processing circuit.
3. transmission line of electricity monitors terminal power supply system according to claim 1, it is characterised in that: the central processing circuit is
Single-chip microcontroller.
4. transmission line of electricity monitors terminal power supply system according to claim 1, it is characterised in that: first voltage regulator circuit is
LM7812 voltage stabilizing chip.
5. transmission line of electricity monitors terminal power supply system according to claim 1, it is characterised in that: second voltage regulator circuit is
LM7805 voltage stabilizing chip.
6. transmission line of electricity monitors terminal power supply system according to claim 1, it is characterised in that: the mobile communication module is
4G communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186667.1U CN209462087U (en) | 2018-12-25 | 2018-12-25 | Transmission line of electricity monitors terminal power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186667.1U CN209462087U (en) | 2018-12-25 | 2018-12-25 | Transmission line of electricity monitors terminal power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN209462087U true CN209462087U (en) | 2019-10-01 |
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ID=68042057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822186667.1U Active CN209462087U (en) | 2018-12-25 | 2018-12-25 | Transmission line of electricity monitors terminal power supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209462087U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555397A (en) * | 2020-05-21 | 2020-08-18 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during lithium battery charging |
| CN113452153A (en) * | 2021-07-28 | 2021-09-28 | 国家电网有限公司 | Online energy-taking and power-supplying system for ground wire of overhead transmission line |
-
2018
- 2018-12-25 CN CN201822186667.1U patent/CN209462087U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555397A (en) * | 2020-05-21 | 2020-08-18 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during lithium battery charging |
| CN111555397B (en) * | 2020-05-21 | 2024-06-04 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during charging of lithium battery |
| CN113452153A (en) * | 2021-07-28 | 2021-09-28 | 国家电网有限公司 | Online energy-taking and power-supplying system for ground wire of overhead transmission line |
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