CN211127316U - Current induction self-power-taking device and power distribution cabinet thereof - Google Patents
Current induction self-power-taking device and power distribution cabinet thereof Download PDFInfo
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- CN211127316U CN211127316U CN201922293778.7U CN201922293778U CN211127316U CN 211127316 U CN211127316 U CN 211127316U CN 201922293778 U CN201922293778 U CN 201922293778U CN 211127316 U CN211127316 U CN 211127316U
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Abstract
The utility model discloses a current induction is from electricity-taking device and switch board thereof, outside at the high-voltage line sets up induction coil, make the high-voltage line be located induction coil's ring axle center direction, utilize magnetic induction to produce electric current in induction coil and provide the hardware basis after the high-voltage line circular telegram, still twine among the induction coil and get electric coil, it is connected with compound pulse electric capacity electricity to get electric coil through charging circuit, draw forth compound pulse electric capacity with induction coil induction generation's electric current, utilize compound pulse electric capacity to save the electric energy, compound pulse electric capacity's output links to consumer simultaneously, make the consumer can use the electric energy of storage in the compound pulse electric capacity at any time, ensure that the consumer can work at any time with the electricity, provide the hardware basis for realizing real time monitoring.
Description
Technical Field
The utility model relates to an electric power field, in particular to a current induction is from electricity-taking device and switch board for medium-high voltage switch board.
Background
At the intelligent today of power equipment, install various collection system usually in the middle and high voltage power distribution cabinet and in order to gather electric power data, and because of the demand of maintaining, collection system can not supply power through the battery, and the current collection system mainly directly gets the electricity from the high-tension line of switch board, and most is for getting the form of usefulness promptly moreover. But get the electricity and need satisfy certain electricity-getting condition, for example satisfy certain supply current, avoid the too big collection system that damages of electric current, consequently current scheme can't guarantee that collection system possesses the power consumption of working at any time, can't accomplish real-time supervision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a current induction from electricity-taking device and switch board, can save the electric energy, realize supplying power to collection system at any time.
The utility model provides a current induction is from electricity-taking device, a serial communication port, include:
the induction coil is annular and is provided with a high-voltage wire connected with a high-voltage power supply along the axis direction of the annular;
the power taking coil is wound on the induction coil, and the output ends at two sides of the power taking coil are electrically connected with a charging circuit for converting input alternating current into direct current;
and the input end of the composite pulse capacitor is electrically connected with the output end of the charging circuit, and the output end of the composite pulse capacitor is electrically connected with the electric equipment.
The voltage conversion circuit is used for adjusting the input voltage of the electric equipment, the voltage input end of the voltage conversion circuit is electrically connected with the output end of the composite pulse capacitor, and the voltage output end of the voltage conversion circuit is electrically connected with the input end of the electric equipment.
Further, the electric equipment comprises an MCU, a collection device and external equipment, wherein the MCU is connected with the collection device and the external equipment.
And further, the charging circuit further comprises a voltage acquisition circuit for acquiring a voltage value in the charging circuit, and a data output end of the voltage acquisition circuit is connected with the MCU.
Furthermore, a temperature control chip for adjusting the power-taking voltage is arranged in the charging circuit, and the input end of the temperature control chip is electrically connected with the power-taking coil.
Further, the induction coil is an iron-nickel coil.
The utility model also provides a switch board, include as above-mentioned a current induction is from the electricity-taking device.
The embodiment of the utility model provides an in one or more technical scheme, following beneficial effect has at least: the utility model discloses set up induction coil in the outside of high-voltage line, make the high-voltage line be located induction coil's ring axle center direction, utilize magnetic induction to produce the electric current in induction coil after the high-voltage line circular telegram and provide the hardware basis, still the winding has the electricity coil among the induction coil, it passes through charging circuit and composite pulse electric capacity electricity to be connected to get the electricity coil, draw the electric current of induction generation in the induction coil to composite pulse electric capacity, utilize composite pulse electric capacity to save the electric energy the characteristic of electric energy storage, composite pulse electric capacity's output links to the consumer simultaneously, make the consumer can use the electric energy of storage in the composite pulse electric capacity at any time, ensure that the consumer has the electricity at any time and can work, provide the hardware basis for realizing real time.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural view of a current-sensing self-powered device according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the present embodiment provides a current-induced self-power-take device including:
the induction coil 1 is annular and is provided with a high-voltage wire 3 connected with a high-voltage power supply along the axis direction of the annular; the power taking coil 2 is wound on the induction coil 1, and the output ends of the two sides of the power taking coil are electrically connected with a charging circuit 4 for converting input alternating current into direct current; and the input end of the composite pulse capacitor 5 is electrically connected with the output end of the charging circuit 4, and the output end of the composite pulse capacitor is electrically connected with the electric equipment 7.
It should be noted that, because the ac power is obtained by magnetic induction, and the electric devices such as the collector generally require a dc power supply, the charging circuit 4 is connected to the output end of the power-taking coil 2 in this embodiment, so that it can be ensured that the current input to the electric devices conforms to the reality. It should be noted that the charging circuit 4 in the present embodiment is a common rectifying circuit in the market, and the present invention does not relate to the improvement of the rectifying circuit, and is not described herein again.
It should be noted that the diameter and the number of turns of the induction coil 1 can be adjusted according to the magnitude of the current in the high-voltage line 3, for example, parameters such as the cross-sectional area and the diameter of the induction coil 1 are increased, and the specific size can be adjusted according to the magnitude of the actually required current. It can be understood that get electric coil 2 and prefer to twine in one side of induction coil 1 through certain proportion, the output connecting circuit of being convenient for, concrete winding proportion according to actual line resistance and electric current size adjustment can, concrete calculation mode is not the utility model relates to an improvement, no longer give consideration to here.
It should be noted that the high-voltage wire 3 is preferably disposed in the central axis direction of the induction coil 1, and may also be adjusted to have a certain angle according to actual requirements, so that an induced current may be generated, which is not described herein again.
It should be noted that the composite pulse capacitor is only preferred in this embodiment, and other types of capacitors may also be used, and the composite pulse capacitor may store electric energy, and has the characteristics of large self capacity, long cycle charging life, low electric quantity self-loss, and wide discharging temperature range, and can play a role of charging a battery, and when the acquired voltage rises to the capacitor voltage value of the composite pulse capacitor, the composite pulse capacitor charges, and as long as the withstand voltage value of the capacitor is not exceeded, the capacitor can be charged all the time, so that the electric energy can be stored, and the electric device 7 can be powered at any time.
Further, in another embodiment of the present invention, the power supply further includes a voltage conversion circuit 6 for adjusting the input voltage of the electric device 7, the voltage input end of the voltage conversion circuit 6 is electrically connected to the output end of the composite pulse capacitor 5, and the voltage output end of the voltage conversion circuit is electrically connected to the input end of the electric device 7.
Wherein, it should be noted that, the voltage that produces through the induction is relevant with the electric current size in the high-voltage line 3, consequently produces higher induced voltage very easily, if direct input to consumer 7 in the use appear voltage too big and damage equipment easily, therefore this embodiment is preferred to connect voltage conversion circuit 6 before consumer 7, and voltage conversion circuit 6 can be arbitrary type's voltage stabilizing circuit, can realize exporting stable voltage can, the utility model discloses do not relate to the improvement of this circuit, no longer describe herein.
Further, in another embodiment of the present invention, the electric device 7 includes an MCU, a collection device and an external device, and the MCU is connected to the collection device and the external device.
It should be noted that the MCU may be any type of chip, such as a single chip, and the like, and may be a power processing chip commonly found in the market, and details thereof are not repeated herein. It can be understood that the collecting device can be a common collector in a high-voltage wiring cabinet, such as a temperature collector, a current collector, a voltage collector, etc., and the type can be adjusted according to actual requirements, which is not described herein again. It can be understood that the external device may be a common device in a power distribution cabinet, for example, an electric lamp, and the like, and the corresponding operation may be realized under the control of the MCU.
Further, the utility model discloses an in another embodiment, still including being used for acquireing voltage value's voltage acquisition circuit 8 in charging circuit 4, voltage acquisition circuit 8's data output end with MCU is connected.
It should be noted that, if too much electric energy is stored in the composite pulse capacitor 5, the stability of the device is not favorable, so the voltage acquisition circuit 8 is preferably added in this embodiment, because the voltage value of the charging circuit 4 is closely related to the current in the high-voltage line, when the current is smaller than a certain threshold, the acquired voltage is smaller than a certain value, the voltage is output to the MCU through the voltage acquisition circuit, and the MCU adjusts the time period of data transmission according to the acquired voltage value, thereby ensuring the real-time performance and accuracy of data acquisition. It can be understood that voltage acquisition circuit 8 can realize that it can to acquire the magnitude of voltage and send to MCU, can be the common acquisition circuit among the prior art, the utility model discloses do not relate to the improvement of this circuit, no longer describe herein.
Further, the utility model discloses an in another embodiment, be provided with the control by temperature change chip that is used for the adjustment to get the electric voltage in the charging circuit 4, the input of control by temperature change chip with it connects to get electric coil 2 electricity.
It should be noted that, the current in the high-voltage line may rise too much, which may cause the voltage-withstanding range of the composite pulse capacitor 5 to be exceeded, and in this embodiment, it is preferable to add a temperature control chip to the charging circuit 4, and since the temperature rises along with the generation of the induced current, the magnitude of the current can be monitored to a certain extent by the temperature control chip, so as to ensure the safety of the circuit. It can be understood that the control by temperature change chip in this embodiment can be the common control by temperature change chip among the prior art, can realize that the temperature detects and export to MCU can, the utility model discloses do not relate to the improvement to the chip, no longer describe herein.
Further, in another embodiment of the present invention, the induction coil 1 is an iron-nickel coil.
It should be noted that the material of the induction coil 1 may be any material capable of realizing induced current, and the present embodiment is preferably iron-nickel alloy, and may also adopt other types of materials according to actual requirements, which is not described herein again.
In another embodiment of the present invention, there is provided a power distribution cabinet, including the above-mentioned current-sensing self-powered device.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A current-sensing self-powered device, comprising:
the induction coil is annular and is provided with a high-voltage wire connected with a high-voltage power supply along the axis direction of the annular;
the power taking coil is wound on the induction coil, and the output ends at two sides of the power taking coil are electrically connected with a charging circuit for converting input alternating current into direct current;
and the input end of the composite pulse capacitor is electrically connected with the output end of the charging circuit, and the output end of the composite pulse capacitor is electrically connected with the electric equipment.
2. A current sensing self-power take-off device as claimed in claim 1, wherein: the voltage conversion circuit is used for adjusting the input voltage of the electric equipment, the voltage input end of the voltage conversion circuit is electrically connected with the output end of the composite pulse capacitor, and the voltage output end of the voltage conversion circuit is electrically connected with the input end of the electric equipment.
3. A current sensing self-power take-off device as claimed in claim 1, wherein: the electric equipment comprises an MCU, an acquisition device and external equipment, wherein the MCU is connected with the acquisition device and the external equipment.
4. A current sensing self-power take-off device as claimed in claim 3, wherein: the charging circuit further comprises a voltage acquisition circuit used for acquiring a voltage value in the charging circuit, and a data output end of the voltage acquisition circuit is connected with the MCU.
5. A current sensing self-power take-off device as claimed in claim 1, wherein: the charging circuit is provided with a temperature control chip for adjusting power-getting voltage, and the input end of the temperature control chip is electrically connected with the power-getting coil.
6. A current sensing self-power take-off device as claimed in claim 1, wherein: the induction coil is an iron-nickel coil.
7. The utility model provides a switch board which characterized in that: a current-sensing self-powered device including a current-sensing self-powered device as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293778.7U CN211127316U (en) | 2019-12-18 | 2019-12-18 | Current induction self-power-taking device and power distribution cabinet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293778.7U CN211127316U (en) | 2019-12-18 | 2019-12-18 | Current induction self-power-taking device and power distribution cabinet thereof |
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| Publication Number | Publication Date |
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| CN211127316U true CN211127316U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922293778.7U Active CN211127316U (en) | 2019-12-18 | 2019-12-18 | Current induction self-power-taking device and power distribution cabinet thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511791A (en) * | 2020-09-15 | 2021-03-16 | 深圳市立显通科技有限公司 | NFC passive driving induction power taking method and display intelligent device |
| CN113067416A (en) * | 2021-03-29 | 2021-07-02 | 贵州电网有限责任公司 | Electromagnetic induction wireless automatic charging device |
-
2019
- 2019-12-18 CN CN201922293778.7U patent/CN211127316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511791A (en) * | 2020-09-15 | 2021-03-16 | 深圳市立显通科技有限公司 | NFC passive driving induction power taking method and display intelligent device |
| CN113067416A (en) * | 2021-03-29 | 2021-07-02 | 贵州电网有限责任公司 | Electromagnetic induction wireless automatic charging device |
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