CN104037953B - Power supply device taking electricity by using lead - Google Patents
Power supply device taking electricity by using lead Download PDFInfo
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- CN104037953B CN104037953B CN201410251332.7A CN201410251332A CN104037953B CN 104037953 B CN104037953 B CN 104037953B CN 201410251332 A CN201410251332 A CN 201410251332A CN 104037953 B CN104037953 B CN 104037953B
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- wire
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- lead
- current
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Abstract
The invention discloses a power supply device taking electricity by using a lead. Two '['-shaped iron cores are arranged on the two sides of the lead; the two iron cores are mutually symmetric with respect to the lead and surround the lead in a closed manner; induction coils are wound on the back of one of the iron cores; a protective circuit, a rectification filter circuit and a voltage stabilizing circuit are sequentially connected in series between two phases of each induction coil; the '['-shaped iron cores are mounted on a spherical shell; the induction coils are wound in the spherical shell; the induction coils are dual-induction coils which are arranged in parallel; an MOs transistor is further arranged between each rectification filter circuit and each voltage stabilizing circuit; the voltage stabilizing circuits control the MOs transistors through signal wires. The power supply device taking electricity by using the lead disclosed by the invention makes use of an electromagnetic induction principle to take electricity, by means of induction, from the electrified lead by the CT iron cores, the device can get a power source chronically, effectively and stably to run in a long term as long as the lead is continuously powered on; the power supply device taking electricity by using the lead disclosed by the invention has an effect of needing no frequent replacement of a battery or the device, and can provide a long-term data guarantee for a smart power grid.
Description
Technical field
The present invention relates to a kind of electric supply installation, specifically, it is related to a kind of power supply device carrying out power taking using wire.
Background technology
Domestic most of at present Lead status monitoring device uses high energy battery powered operation mode, whole device
Life-span depend on battery life-span.But such battery is generally positioned at open air, and outdoor complex environment, changeable temperature pair
Battery has large effect.For example, low temperature environment has a great impact to battery capacity and service life, and therefore these are based on electricity
The service life of battery-powered Lead status monitoring device is all very limited.
Therefore, the device service life how solving to lead to due to device powerup issue is short, thus causing intelligent electricity
The monitoring result of net is unstable, needs the Lead status monitoring device frequently more renewing, becomes asking of prior art urgent need to resolve
Topic.
Content of the invention
It is an object of the invention to proposing a kind of power supply device of wire power taking, it can be by the magnetic field on wire
Change obtains the electric current of alternation, is changed into DC voltage-stabilizing output through rectifying and wave-filtering, makes the situation that device is energized in monitored wire
Under, can continuous firing, do not affected by battery life.
For reaching this purpose, the present invention employs the following technical solutions：
A kind of current power supply device of wire power taking it is characterised in that：In the both sides of wire, there are two " ferrum of [" type
Core, two described iron cores are mutually symmetrical with respect to described wire, and closely surround described wire, wherein after an iron core
Be wound with induction coil, described coil and described iron core form CT iron core, described induction coil biphase between be sequentially connected in series
There are protection circuit, current rectifying and wave filtering circuit and mu balanced circuit, wherein, described protection circuit is big for prevent moment on wire from occurring
Rush of current, described current rectifying and wave filtering circuit is used for realizing the voltage generating is carried out rectification and filtering, and described mu balanced circuit provides
Voltage stabilizing function.
It is preferably, described that " iron core of [" type is arranged on spherical housing, and described induction coil is wrapped in described spherical housing
Interior, and corresponding one of iron core.
Preferably, described induction coil is double induction coils arranged side by side.
Preferably, also there is metal-oxide-semiconductor between described current rectifying and wave filtering circuit and described mu balanced circuit, described metal-oxide-semiconductor connects
Between the two phases, described mu balanced circuit passes through metal-oxide-semiconductor described in signal line traffic control.
Preferably, described protection circuit includes two coils in series or in parallel, thus forming one group of coil, described
The two ends of one group of coil parallel discharge pipe, varistor and Transient Suppression Diode respectively, upper associate coil of then connecting again.
The present invention utilizes electromagnetic induction principle, senses power taking by CT iron core from electrified wire, as long as can on wire
Persistently it is energized, then the stable acquisition power supply longtime running that device just can be permanently effective.Wherein, CT iron core uses two halves
Formula open design, and double induction coils are designed with CT, to improve sensing power taking ability, carry out voltage stabilizing through rectifying and wave-filtering defeated
Go out, be supplied to the long-term stable working power of one, device, be designed with metal-oxide-semiconductor so that the unnecessary electricity of bleed off at rectification circuit rear
Stream.The present invention has the effect not needing often to change battery or device, can provide long-term data for intelligent grid and protect
Barrier.
Brief description
Fig. 1 is the structure chart of the power supply device of the wire power taking according to the present invention.
The technical characteristic that the reference of in figure refers to respectively is：
1st, wire；2nd, iron core；3rd, induction coil；4th, protection circuit；5th, current rectifying and wave filtering circuit；6th, metal-oxide-semiconductor；7th, voltage stabilizing electricity
Road.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure is illustrate only in description, accompanying drawing.
Referring to Fig. 1, disclose the current power supply device of wire power taking according to the present invention it is characterised in that：In wire 1
Both sides have two " iron core of [" type, two described iron cores are mutually symmetrical with respect to described wire, and closely surround described in lead
Line, is wound with induction coil 3 wherein after an iron core, described coil and described iron core forms CT iron core that is to say, that institute
Stating CT iron core is two halves open type.Described induction coil biphase between be sequentially connected in series protection circuit, current rectifying and wave filtering circuit
And mu balanced circuit, wherein, described protection circuit is used for preventing the heavy current impact that on wire, moment occurs, described rectifying and wave-filtering electricity
Road is used for realizing the voltage generating is carried out rectification and filtering, and described mu balanced circuit provides voltage stabilizing function, and then offer one can
Power supply device.
Preferably, described protection circuit can include two coils in series or in parallel, thus forming one group of coil,
The two ends of described one group of coil parallel discharge pipe, varistor and Transient Suppression Diode respectively, upper conjugate line of then connecting again
Circle.Described protection circuit can realize defencive function when metal-oxide-semiconductor is slow in one's movements.
When deployed, " power supply device is rested against below wire, Ran Houhe by the iron core of [" type to open one of them
It is upper that " iron core of [" type is so that wire navigates within two " between the iron core of [" type.The changes of magnetic field of induction coil inductive iron core, raw
Become electric current, and through protection circuit 4, current rectifying and wave filtering circuit 5 and mu balanced circuit 7 export available current.
It is preferably, described that " iron core of [" type is arranged on spherical housing, and described induction coil is wrapped in described spherical housing
Interior, and corresponding one of iron core, install and protect in such manner, it is possible to being easy to the power supply device to the present invention and providing, and ball
Shape shell can compress two " [" shaped iron cores when closing up.
Preferably, described induction coil is double induction coils arranged side by side, to improve sensing power taking ability.
Preferably, also there is between described current rectifying and wave filtering circuit 5 and described mu balanced circuit 7 metal-oxide-semiconductor 6, described metal-oxide-semiconductor is even
Connect between the two phases, described mu balanced circuit passes through metal-oxide-semiconductor described in signal line traffic control.
When the electric current in wire 1 is too low, due to load-reason, the supply voltage of mu balanced circuit is very low, and circuit will not work
Make.When current in wire is moderate, mu balanced circuit normal work.When current in wire major part situation is all higher state, voltage stabilizing electricity
Road will drive MOS so that the input voltage of mu balanced circuit keeps constant, mu balanced circuit also normal work.Due to CT iron core
Magnetization curve is nonlinear, when current in wire is very big, CT iron core meeting saturation, and its magnetic induction intensity almost keeps not
Become, mu balanced circuit still normal work.
And other CT coils of this area are used only for the measurement of current in wire, rather than the power taking for wire, in institute
There is after the induction coil stating CT coil sample resistance, A/D converter measures to sample resistance, thus obtaining current in wire
The size of numerical value.
To sum up, the present invention utilizes electromagnetic induction principle, senses power taking by CT iron core from electrified wire, as long as on wire
Can persistently be energized, then the stable acquisition power supply longtime running that device just can be permanently effective.Wherein, CT iron core uses
Two halves formula open design, and double induction coils are designed with CT, to improve sensing power taking ability, carry out surely through rectifying and wave-filtering
Pressure output, is supplied to the long-term stable working power of one, device, is designed with metal-oxide-semiconductor so that bleed off is many at rectification circuit rear
Aftercurrent.The present invention has the effect not needing often to change battery or device, can provide long-term number for intelligent grid
According to guarantee.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
The specific embodiment of the present invention is only limitted to this, for general technical staff of the technical field of the invention, is not taking off
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention by institute
The claims submitted to determine protection domain.
Claims (1)
1. a kind of current power supply device of wire power taking it is characterised in that：The both sides of wire have two " iron core of [" type,
Two described iron cores are mutually symmetrical with respect to described wire, and closely surround described wire, twine wherein after an iron core
Be wound with induction coil, described coil and described iron core form CT iron core, described induction coil biphase between be sequentially connected in series
Protection circuit, current rectifying and wave filtering circuit and mu balanced circuit, wherein, described protection circuit is used for preventing the big electricity that on wire, moment occurs
Stream impact, described current rectifying and wave filtering circuit is used for realizing the voltage generating is carried out rectification and filtering, and described mu balanced circuit provides steady
Pressure function；
It is described that " iron core of [" type is arranged on spherical housing, and described induction coil is wrapped in described spherical housing, and corresponds to it
In an iron core, described spherical housing can compress two " [" shaped iron cores when closing up；In described current rectifying and wave filtering circuit and described
Also there is metal-oxide-semiconductor between mu balanced circuit, described metal-oxide-semiconductor connects between the two phases, and described mu balanced circuit passes through signal line traffic control institute
State metal-oxide-semiconductor；
Described induction coil is double induction coils arranged side by side；
Described protection circuit includes two coils in series or in parallel, thus forming one group of coil, in described one group of coil
Two ends parallel discharge pipe, varistor and Transient Suppression Diode respectively, upper associate coil of then connecting again；
When deployed, " iron core of [" type, power supply device is rested against below wire, then closes " [" to open one of them
The iron core of type so that wire navigate within two " between the iron core of [" type, the changes of magnetic field of induction coil inductive iron core, generate electricity
Stream, and through protection circuit, current rectifying and wave filtering circuit and mu balanced circuit export available current；
When the electric current in wire is too low, due to load-reason, the supply voltage of mu balanced circuit is very low, and circuit will not work；When
When current in wire is moderate, mu balanced circuit normal work；When current in wire major part situation is all higher state, mu balanced circuit will
Drive metal-oxide-semiconductor so that the input voltage of mu balanced circuit keeps constant, mu balanced circuit also normal work, due to the magnetization of CT iron core
Curve is nonlinear, when current in wire is very big, CT iron core meeting saturation, and its magnetic induction intensity is kept approximately constant, surely
Volt circuit still normal work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251332.7A CN104037953B (en) | 2014-06-09 | 2014-06-09 | Power supply device taking electricity by using lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251332.7A CN104037953B (en) | 2014-06-09 | 2014-06-09 | Power supply device taking electricity by using lead |
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| Publication Number | Publication Date |
|---|---|
| CN104037953A CN104037953A (en) | 2014-09-10 |
| CN104037953B true CN104037953B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410251332.7A Active CN104037953B (en) | 2014-06-09 | 2014-06-09 | Power supply device taking electricity by using lead |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186796A (en) * | 2018-10-15 | 2019-01-11 | 江苏久创电气科技有限公司 | A kind of CT formula passive wireless temperature measuring device applied to switchgear |
| CN112631227B (en) * | 2020-12-28 | 2022-11-11 | 北京交通大学 | Magnetic induction energy taking device and multi-data fusion energy Internet of things distributed information substation system based on electric energy taking |
| CN113067416A (en) * | 2021-03-29 | 2021-07-02 | 贵州电网有限责任公司 | Electromagnetic induction wireless automatic charging device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185355Y (en) * | 2008-04-24 | 2009-01-21 | 武汉大学 | High voltage line induction electricity-taking apparatus |
| CN102437626A (en) * | 2011-12-27 | 2012-05-02 | 中国科学院自动化研究所 | Non-contact induction charging device |
| CN102447313A (en) * | 2012-01-08 | 2012-05-09 | 湖北隆创科技有限公司 | Online power supply device and power supply method utilizing high voltage transmission conductors |
| CN204012950U (en) * | 2014-06-09 | 2014-12-10 | 上海勋睿电力科技有限公司 | A kind of power supply device of wire power taking |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013125072A1 (en) * | 2012-02-20 | 2013-08-29 | レキオ・パワー・テクノロジー株式会社 | Power supply device, power reception device, and power supply/reception device |
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2014
- 2014-06-09 CN CN201410251332.7A patent/CN104037953B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185355Y (en) * | 2008-04-24 | 2009-01-21 | 武汉大学 | High voltage line induction electricity-taking apparatus |
| CN102437626A (en) * | 2011-12-27 | 2012-05-02 | 中国科学院自动化研究所 | Non-contact induction charging device |
| CN102447313A (en) * | 2012-01-08 | 2012-05-09 | 湖北隆创科技有限公司 | Online power supply device and power supply method utilizing high voltage transmission conductors |
| CN204012950U (en) * | 2014-06-09 | 2014-12-10 | 上海勋睿电力科技有限公司 | A kind of power supply device of wire power taking |
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| CN104037953A (en) | 2014-09-10 |
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