CN207424082U - A kind of current sensor with solar cell - Google Patents
A kind of current sensor with solar cell Download PDFInfo
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- CN207424082U CN207424082U CN201721523791.1U CN201721523791U CN207424082U CN 207424082 U CN207424082 U CN 207424082U CN 201721523791 U CN201721523791 U CN 201721523791U CN 207424082 U CN207424082 U CN 207424082U
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- solar cell
- current sensor
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Abstract
A kind of current sensor with solar cell provided by the utility model, including：Solar cell, energization from magnetic field coil, power management module, current signal measurement module；Solar cell is used to obtain solar energy；Energization from magnetic field coil is used to obtain electromagnetic energy.Current sensor provided by the utility model is due to being provided simultaneously with solar cell and energization from magnetic field coil, thus both electric energy can be obtained by energization from magnetic field coil when capacitor group comes into operation, electric energy can also be gathered when capacitor group is out of service by solar cell to work on, can then collect capacitor group it is out of service when and the current data at moment of putting into operation, pass through solar energy acquisition function, probe power can be replenished in time, realize that all standing monitors so as to fulfill to the various operating statuses of capacitor group, solve existing current sensor can not work after capacitor group is out of service lead to not to monitor capacitor group put into operation the moment transient process the technical issues of.
Description
Technical field
The utility model is related to current sensing techniques field more particularly to a kind of current senses with solar cell
Device.
Background technology
Capacitor group is the important equipment in electric system, and safe operation is to improving transmission line capability, safeguarding electric network reactive-load
Balance and network voltage are normal, realize that the economical operation of transformer plays an important role.Being growing and bear with power grid scale
Lotus demand is continuously increased, and power grid is more and more frequent to voltage and idle adjusting, especially in power distribution network or micro-grid system, electricity
The switching of container group is more frequent, and the failure that internal component damage causes fuse to act happens occasionally.Because capacitor group is electricity
Hold element series and parallel composition, when wherein single capacity cell damage, other capacity cells are because overcurrent or overvoltage are easier
Damage so if many light defects cannot find and handle in time, can develop into catastrophe failure.
Capacitor group is monitored using current sensor it can be found that the minor failure of capacitor internal element, to protecting
Barrier capacitor group safe operation is of great significance.
However existing current sensor is usually to flow through magnetic field caused by the electric current of capacitor unit as energy
Source can ensure that sensor can obtain stable energy supplement after capacitor group puts into operation, still by magnetic field acquisition function
After capacitor group is out of service, magnetic field energy can not be gathered again and is powered for sensor, sensor internal electricity will be unable to after exhausting
Work, when capacitor group puts into operation again, it is impossible to monitor that capacitor group puts into operation the transient process at moment.
Therefore, existing current sensor can not gather electromagnetism field energy as sensor again after capacitor group is out of service
Power supply, sensor internal electricity will be unable to work after exhausting, when capacitor group puts into operation again, it is impossible to monitor that capacitor group puts into operation
The transient process at moment is those skilled in the art's technical issues that need to address.
Utility model content
The utility model embodiment provides a kind of current sensor with solar cell, for solving existing electricity
Flow sensor can not work after capacitor group is out of service leads to not to monitor that capacitor group puts into operation the transient process at moment
The technical issues of.
A kind of current sensor with solar cell provided by the utility model, including：Solar cell, magnetic field take
It can coil, power management module, current signal measurement module；
The solar cell connects the power management module, for obtaining solar energy；
The energization from magnetic field coil connects the power management module, for obtaining electromagnetic energy；
The power management module connects the current signal measurement module, for providing stabilized power source.
Preferably, the solar cell is installed on the shell of the current sensor with solar cell.
Preferably, the shell is prism, and the solar cell is specifically installed on the side of the prism.
Preferably, the shell is cylinder, and the solar cell is specifically installed on the side of the cylinder.
Preferably, the quantity of the solar cell is one piece or one piece or more；
When the quantity of the solar cell is one piece or more, the solar cell serial or parallel connection.
Preferably, the shell has snap-in structure.
Preferably, the quantity of the energization from magnetic field coil and the power parameter of the power management module are proportionate pass
System.
Preferably, power storage module is further included, the power storage module connects the power management module, for depositing
Storing up electricity energy；
The power storage module is specially accumulator or super capacitor.
Preferably, wireless communication module is further included, the wireless communication module connects the power management module；
The wireless communication module includes zigbee unit and/or wifi units and/or bluetooth unit.
Preferably, the current signal measurement module includes circuitry for signal measurement and measuring coil；
The measuring coil connects the circuitry for signal measurement；
The energization from magnetic field coil and the measuring coil are wound on same magnetic core, and the measuring coil is used to measure electricity
The current signal of container group.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages：
A kind of current sensor with solar cell provided by the utility model, including：Solar cell, magnetic field take
It can coil, power management module, current signal measurement module；Solar cell is used to obtain solar energy；Energization from magnetic field coil is used
In acquisition electromagnetic energy.Current sensor provided by the utility model due to being provided simultaneously with solar cell and energization from magnetic field coil,
Thus both electric energy can be obtained by energization from magnetic field coil when capacitor group comes into operation, can also be moved back in capacitor group
Go out to gather electric energy by solar cell when running and work on, then can collect capacitor group it is out of service when and when putting into operation
The current data at quarter by solar energy acquisition function, can be replenished in time probe power, so as to fulfill to capacitor group
Various operating statuses realize all standing monitoring, and solving existing current sensor can not work after capacitor group is out of service
Lead to not to monitor capacitor group put into operation the moment transient process the technical issues of.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structure chart of the current sensor with solar cell provided by the utility model；
Fig. 2 a are that prism body case is kept flat in a kind of current sensor with solar cell provided by the utility model
The side view and front view of posture；
Fig. 2 b are that prism body case is non-flat in a kind of current sensor with solar cell provided by the utility model
Put the side view and front view of posture；
Wherein, reference numeral is as follows：
1st, solar cell；2nd, energization from magnetic field coil；3rd, power management module；4th, current signal measurement module；5th, electric energy
Memory module；6th, wireless communication module.
Specific embodiment
The utility model embodiment provides a kind of current sensor with solar cell, for solving existing electricity
Flow sensor can not work after capacitor group is out of service leads to not to monitor that capacitor group puts into operation the transient process at moment
The technical issues of.
Purpose of utility model, feature, advantage to enable the utility model is more apparent and understandable, below will knot
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this reality
With the embodiment in new, those of ordinary skill in the art are obtained all other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of one embodiment of current sensor with solar cell provided by the utility model,
Including：Solar cell 1, energization from magnetic field coil 2, power management module 3, current signal measurement module 4；
Solar cell 1 connects power management module 3, for obtaining solar energy；Solar cell 1 obtains the sun from the external world
Electric energy can be converted into and be transmitted to power management module 3.
Energization from magnetic field coil 2 connects power management module 3, for obtaining electromagnetic energy；Energization from magnetic field coil 2 is obtained from magnetic field
Electromagnetic energy is electric energy and is transmitted to power management module 3.
Power management module 3 connects current signal measurement module 4, for providing stabilized power source.
Current sensor with solar cell is generally placed on each capacitor unit lead of capacitor group, for surveying
Measure the current signal of capacitor unit.
In the utility model, due to being provided simultaneously with solar cell 1 and energization from magnetic field coil 2, both can be in capacitance
Electric energy is obtained by energization from magnetic field coil 2 when device group comes into operation, it can also be when capacitor group be out of service by too
It is positive can battery 1 gather electric energy and work on, then can collect capacitor group it is out of service when and the moment of putting into operation current data,
By solar energy acquisition function, probe power can be replenished in time, so as to fulfill the various operating statuses to capacitor group
It realizes all standing monitoring, solves existing current sensor and can not work after capacitor group is out of service and lead to not monitor
The technical issues of transient process at moment being put into operation to capacitor group.
The method of operation of power management module 3 is when monitoring voltage that energization from magnetic field coil 2 provides less than default fixed
During value, be then converted to from solar cell 1 and obtain electric energy.It is preset when the voltage for monitoring the offer of energization from magnetic field coil 2 is not less than
Definite value when, then obtain electric energy from energization from magnetic field coil 2 or obtain electric energy from energization from magnetic field coil 2 and solar cell 1 simultaneously.
Further, solar cell 1 is installed on the shell of the current sensor with solar cell.
Further, the one of which designing scheme of shell is prism, and solar cell 1 is specifically installed on prism
On side.
The designing scheme of prism is carried out with reference to Fig. 2 a and Fig. 2 b：
Fig. 2 a are that prism body case is kept flat in a kind of current sensor with solar cell provided by the utility model
The side view and front view of posture；It can be seen that solar cell 1 (rectangle of the right figure with dotted line in Fig. 2 a) from Fig. 2 a
Shape is rectangle, is lain against on the side of prism body case of the current sensor with solar cell；
Fig. 2 b are that prism body case is non-flat in a kind of current sensor with solar cell provided by the utility model
Put the side view and front view of posture；As can be seen that solar cell 1 (rectangle of the right figure with dotted line in Fig. 2 b) from Fig. 2 b
Shape for rectangle, lie against on the side of prism body case of the current sensor with solar cell.
Further, another designing scheme of shell is cylinder, and solar cell 1 is specifically installed on cylinder
On side.Solar cell 1 can be designed to crescent, to be bonded with cylindrical sides.
Further, the quantity of solar cell 1 is one piece or one piece or more；
When the quantity of solar cell 1 is one piece or more, each piece of 1 serial or parallel connection of solar cell.
Generally speaking, solar cell 1 is installed on current sensor case surface, and geometry can be square,
Rectangle, diamond shape, circular ring shape, circular and other arbitrary shapes, quantity can be one piece, to make full use of sensor appearance
Face, quantity can also be that polylith is in series or in parallel.
Further, shell has snap-in structure.Such as the shell of mobile phone and the snap-in structure of mobile phone body.
Further, the quantity of energization from magnetic field coil 2 and the power parameter correlation of power management module 3.Magnetic
The quantity of field taking energy coil 2 can be adjusted flexibly according to actual demand, if necessary to more electric energy, then increase energization from magnetic field coil 2
Quantity.
Further, power storage module 5 is further included, power storage module 5 connects power management module 3, for storing
Electric energy；
Power storage module 5 is specially accumulator or super capacitor.
Further, wireless communication module 6 is further included, wireless communication module 6 connects power management module 3；
Wireless communication module 6 includes zigbee unit and/or wifi units and/or bluetooth unit.Wireless communication module 6 wraps
Containing one or more of zigbee unit, wifi units, bluetooth unit unit, for carrying out corresponding wireless communication connection.
Further, current signal measurement module 4 includes circuitry for signal measurement and measuring coil；
Measuring coil connects circuitry for signal measurement；
Measuring coil is used to measure the current signal of capacitor group.
Energization from magnetic field coil 2 and measuring coil are wound on same magnetic core, and energization from magnetic field coil 2 has electric current stream for obtaining
Magnetic field energy near out-of-date lead, measuring coil are used to implement the signal conversion for flowing through wire current, connect circuitry for signal measurement.
For power management module 3 for carrying out power management, output terminal connects power storage module 5, the storage for realizing energy.
3 output terminal of power management module directly can also provide stabilized power source for circuitry for signal measurement and wireless communication module 6.
Wireless communication module 6 is used to implement the transmission to measured signal, has low-power consumption feature.
Current sensor principle with solar cell is as shown in Figure 1, sensor flows through capacitor unit for measuring
Current signal, current signal measurement module 4 and wireless communication module 6 be installed on sensor internal, by solar cell 1 and
Magnetic induction taking energy coil (energization from magnetic field coil 2) is by power management module 3 to current signal measurement module 4 and radio communication mold
Block 6 is powered, and can be powered in capacitor group failure or while not putting into operation by solar cell 1, after capacitor group puts into operation
Capacitor unit, which has electric current that can be taken when flowing through by magnetic induction coil, to power.The sensor itself integrates self energizing, data are adopted
The functions such as collection processing, data storage, data wireless transmission, breakdown judge.
Compared with prior art, the utility model has the following advantages that and effect：
1st, multi-environment energy acquisition causes it that can also realize monitoring when capacitor group does not put into operation or lead disconnects failure
With alarm.
2nd, design is compacter, and facilitating in-site installation, cost is lower with replacing.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technical solution
Spirit and scope.
Claims (10)
1. a kind of current sensor with solar cell, which is characterized in that including：Solar cell, energization from magnetic field coil,
Power management module, current signal measurement module；
The solar cell connects the power management module, for obtaining solar energy；
The energization from magnetic field coil connects the power management module, for obtaining electromagnetic energy；
The power management module connects the current signal measurement module, for providing stabilized power source.
A kind of 2. current sensor with solar cell according to claim 1, which is characterized in that the solar energy
Battery is installed on the shell of the current sensor with solar cell.
3. a kind of current sensor with solar cell according to claim 2, which is characterized in that the shell is
Prism, the solar cell are specifically installed on the side of the prism.
4. a kind of current sensor with solar cell according to claim 2, which is characterized in that the shell is
Cylinder, the solar cell are specifically installed on the side of the cylinder.
A kind of 5. current sensor with solar cell according to claim 2, which is characterized in that the solar energy
The quantity of battery is one piece or one piece or more；
When the quantity of the solar cell is one piece or more, the solar cell serial or parallel connection.
A kind of 6. current sensor with solar cell according to claim 2, which is characterized in that the shell tool
There is snap-in structure.
7. a kind of current sensor with solar cell according to claim 1, which is characterized in that the magnetic field takes
It can the quantity of coil and the power parameter correlation of the power management module.
8. a kind of current sensor with solar cell according to claim 1, which is characterized in that further include electric energy
Memory module, the power storage module connects the power management module, for storing electric energy；
The power storage module is specially accumulator or super capacitor.
9. a kind of current sensor with solar cell according to claim 1, which is characterized in that further include wireless
Communication module, the wireless communication module connect the power management module；
The wireless communication module includes zigbee unit and/or wifi units and/or bluetooth unit.
A kind of 10. current sensor with solar cell according to claim 1, which is characterized in that the electric current
Signal measurement module includes circuitry for signal measurement and measuring coil；
The measuring coil connects the circuitry for signal measurement；
The energization from magnetic field coil and the measuring coil are wound on same magnetic core, and the measuring coil is used to measure capacitor
The current signal of group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523791.1U CN207424082U (en) | 2017-11-15 | 2017-11-15 | A kind of current sensor with solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523791.1U CN207424082U (en) | 2017-11-15 | 2017-11-15 | A kind of current sensor with solar cell |
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| Publication Number | Publication Date |
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| CN207424082U true CN207424082U (en) | 2018-05-29 |
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| CN201721523791.1U Active CN207424082U (en) | 2017-11-15 | 2017-11-15 | A kind of current sensor with solar cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748287A (en) * | 2017-11-15 | 2018-03-02 | 广东电网有限责任公司电力科学研究院 | A kind of current sensor with solar cell |
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2017
- 2017-11-15 CN CN201721523791.1U patent/CN207424082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748287A (en) * | 2017-11-15 | 2018-03-02 | 广东电网有限责任公司电力科学研究院 | A kind of current sensor with solar cell |
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