CN211351727U - Electromagnetic field generating device - Google Patents
Electromagnetic field generating device Download PDFInfo
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- CN211351727U CN211351727U CN201922037136.0U CN201922037136U CN211351727U CN 211351727 U CN211351727 U CN 211351727U CN 201922037136 U CN201922037136 U CN 201922037136U CN 211351727 U CN211351727 U CN 211351727U
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Abstract
The utility model relates to an electromagnetic field generating device technical field especially relates to an electromagnetic field generating device, get the electric installation including high tension transmission line, a power supply, main control unit and electromagnetic field generation module, high tension transmission line gets to be connected with the magnetic conduction piece on the electric installation, the power input port of main control unit is connected to the power positive pole, electromagnetic field generation module is magnetic induction coil, main control unit's third control end PD3 is connected with the MOS pipe, main control unit's third control end PD3 is connected with the controlled end grid of MOS pipe, the power is anodal is connected to magnetic induction coil's one end, the other end is connected with the input drain electrode of MOS pipe, the source ground connection of MOS pipe, the negative pole of power is connected with the source electrode of MOS pipe. The utility model discloses can work under low voltage direct current's environment, produce alternating magnetic field, get the electric installation through alternating magnetic field contact high tension transmission line get the electric belt, simulate high tension transmission line and get electric installation job scene to detect high tension transmission line and get the operational aspect of electric installation.
Description
Technical Field
The utility model relates to an electromagnetic field generating equipment technical field especially relates to an electromagnetic field generating device.
Background
Many auxiliary devices for detection, monitoring, communication and the like are installed on the way along the high-voltage line, and the auxiliary devices have important significance for ensuring the reliable operation of the power system. However, the sensors and equipment for monitoring are located near the high-voltage line, and need to be insulated from the ground, so that the conventional power supply cannot be used for supplying power. The high-voltage transmission line power taking device is generally adopted to take power, electric energy is obtained from a high-voltage line by utilizing the electromagnetic induction principle to supply power to auxiliary equipment, and the device has the advantages of small volume, convenience in installation, no maintenance in later period, self-power taking and the like, and gradually becomes a mainstream product in the field.
When the power taking device of the high-voltage transmission line is installed, power is cut off and installed, and the power is uniformly electrified after the installation is completed. Therefore, in order to reduce unnecessary times of power failure and power transmission of high-voltage equipment, a device capable of detecting the operation condition of the power taking device of the high-voltage transmission line after the power taking device of the high-voltage transmission line is installed and when the high-voltage transmission line is not electrified is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an electromagnetic field generating device can work under the environment of low-voltage direct current, produces alternating magnetic field, gets the electric tape through alternating magnetic field contact high tension transmission line electricity getting device, and simulation high tension transmission line gets the electric energy that the electric device utilized the electromagnetic induction principle to obtain the electric energy from the high tension line to detect high tension transmission line and get the device of electric device operational aspect.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
an electromagnetic field generating device comprises a high-voltage transmission line electricity taking device, a power supply, a main control unit and an electromagnetic field generating module, wherein a first magnetic conduction sheet is connected to the high-voltage transmission line electricity taking device, a power input port, a RST port, a GND port, a third control end PD3 and a fourth control end PD4 are arranged on the main control unit, the positive pole of the power supply is connected with the power input port of the main control unit, the negative pole of the power supply is connected with the GND port of the main control unit, a third control end PD3 of the main control unit is connected with an MOS (metal oxide semiconductor) tube, a third control end PD3 of the main control unit is connected with a controlled end grid of the MOS tube, the electromagnetic field generating module comprises a magnetic induction coil and a second magnetic conduction sheet, the second magnetic conduction sheet is arranged in the magnetic induction coil in a penetrating manner, one end of the magnetic induction coil is connected with the positive pole of the, the negative electrode of the power supply is connected with the source electrode of the MOS tube, the PD of the fourth control end of the main control unit is connected with the device operation indication module, and the MCU reset module is connected with the RST port of the main control unit.
Further, a fourth control end PD4 of the main control unit is connected with a device operation indication module, and the other end of the device operation indication module is connected with the positive electrode of the power supply.
Furthermore, the operation indication module comprises a current-limiting resistor and an indicator lamp, one end of the current-limiting resistor is connected with the third control end PD of the main control unit, the other end of the current-limiting resistor is connected with the indicator lamp, and the power input end of the indicator lamp is connected with the positive electrode of the power supply.
Furthermore, a PST port of the main control unit is connected with an MCU reset module, one end of the MCU reset module is connected with a positive electrode of the power supply, and the other end of the MCU reset module is connected with a negative electrode of the power supply.
Further, the MCU reset module comprises a reset resistor and a reset capacitor, the power input end of the reset resistor is connected with the positive electrode of the power supply, the power output end of the reset resistor is connected with the reset capacitor, the RST port of the main control unit is connected between the reset resistor and the reset capacitor, and the power output end of the reset capacitor is connected with the negative electrode of the power supply.
Further, a grid resistor is connected in series between the MOS tube and the main control unit.
On one hand, the utility model controls the MOS tube to continuously make and break according to the set frequency through the main control unit, so that the two ends of the magnetic induction coil are continuously powered on and powered off, thereby generating an alternating magnetic field, simulating the working scene of the high-voltage transmission line power taking device, detecting the operation condition of the high-voltage transmission line power taking device, and reducing unnecessary power failure and power transmission times of high-voltage equipment; on the other hand, the device supplies power through a direct current power supply, so that the problem of difficult power taking in field use is avoided, and the safety of operation is ensured by using low-voltage direct current. Through the mode that coil and second magnetic conduction piece match, replaced the great problem of traditional iron core coil volume.
Drawings
FIG. 1 is a schematic circuit diagram of an electromagnetic field generating device according to the present invention;
the high-voltage power transmission line power-taking device comprises a first magnetic conductive sheet 1, a high-voltage power transmission line power-taking device 2, an electromagnetic field generating module 3, a magnetic induction coil 31, a second magnetic conductive sheet 32, a device operation indicating module 5, a current-limiting resistor 51, an indicating lamp 52, a main control unit 6, an MCU (microprogrammed control unit) resetting module 7, a resetting resistor 71, a resetting capacitor 72, a power supply 8, an MOS (metal oxide semiconductor) tube 9 and a grid resistor 91.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1, the utility model discloses an electromagnetic field generating device, get electric installation 2, power 8, main control unit 6, device operation indication module 5, MCU module 7 and electromagnetic field generation module 3 that resets including high tension transmission line.
The power taking device 2 of the high-voltage transmission line is connected with a first magnetic conduction sheet 1, the first magnetic conduction sheet 1 is made of iron materials, and the first magnetic conduction sheet 1 is hung on the high-voltage line during installation. The power supply 8 is a low-voltage direct-current power supply with the input voltage not exceeding 660V and the output voltage not exceeding 250V, so that the problem of difficult power taking in field use is solved, the low-voltage direct current is used for ensuring the operation safety, and the main control unit 6 is an MCU (microprogrammed control Unit) microprocessor.
The main control unit 6 is provided with a power input port, an RST port, a GND port, a third control end PD3 and a fourth control end PD4, the positive electrode of the power supply 8 is connected with the power input port of the main control unit 6, the GND port of the main control unit 6 is connected with the negative electrode of the power supply 8, the third control end PD3 of the main control unit 6 is connected with an MOS tube 9, specifically, the third control end PD3 of the main control unit 6 is connected with the controlled end gate of the MOS tube 9, a gate resistor 91 is further connected between the MOS tube 9 and the main control unit 6 in series, so that the MOS tube 9 is prevented from being conducted at an excessively high speed, and surrounding devices are easy to break down under a high-voltage condition.
The electromagnetic field generating module 3 includes a magnetic induction coil 31 and a second magnetic conductive sheet 32, and the second magnetic conductive sheet 32 is inserted into the magnetic induction coil 31. The second magnetic conductive sheet 32 penetrates through the magnetic induction coil 31, so that the problem that the traditional iron core magnetic induction coil is large in size is solved. One end of the magnetic induction coil 31 is connected with the anode of the power supply 8, the other end is connected with the drain of the input end of the MOS tube 9, the source of the MOS tube 9 is grounded, and the cathode of the power supply 8 is connected with the source of the MOS tube 9. The main control unit 6 adopts a built-in crystal oscillator working mode, the PD3 is controlled to output a waveform signal to the MOS tube, when the third control end PD3 of the main control unit 6 outputs a high level, the MOS tube 9 is conducted, current passes through the magnetic induction coil 31, and a magnetic field is generated; when the third control terminal PD3 of the main control unit 6 outputs a low level, the MOS transistor 9 is turned off. The high and low levels output by the PD3 are continuously switched, the driving MOS transistor 9 is continuously switched on and off according to a set frequency, and both ends of the magnetic induction coil 31 are continuously powered on and powered off, so as to generate an alternating magnetic field.
The fourth control end PD4 of main control unit 6 is connected with device operation indication module 5, and specifically, operation indication module 5 includes current limiting resistor 51 and pilot lamp 52, and the one end of current limiting resistor 51 is connected with fourth control end PD4 of main control unit 6, and the other end is connected with pilot lamp 52, and the power input end of pilot lamp 52 is connected with power 8 positive pole. The operation indicator lamp 52 is controlled to be turned on and off through the level of the output signal of the PD4 end of the fourth control end of the main control unit 6, and whether the main control unit 6 and the whole device operate normally is reflected by the on and off of the indicator lamp 52.
The MCU reset module 7 is connected with the RST port of the main control unit 6. Specifically, the MCU reset module 7 includes a reset resistor 71 and a reset capacitor 72, a power input terminal of the reset resistor 71 is connected to a positive electrode of the power supply 8, a power output terminal of the reset resistor 71 is connected to the reset capacitor 72, a RST port is connected between the reset resistor 71 and the reset capacitor 72, and a power output terminal of the reset capacitor 72 is connected to a negative electrode of the power supply 8. At the moment of power-on, the RST end is at low level, so that the main control unit 6 is reset. After the reset capacitor 72 is charged, the RST terminal is at a high level, and the main control unit 6 normally operates.
The energy conversion process of this example is as follows: when the third control terminal PD3 of the main control unit 6 outputs a waveform signal, the MOS transistor 9 is driven to be continuously turned on and off according to a set frequency, and the two ends of the magnetic induction coil 31 are continuously powered on and off, so as to generate an alternating magnetic field. Namely, the change of the drain signal of the MOS transistor 8 is controlled by the waveform change provided by the third control terminal PD3 of the main control unit 6, so that the magnetic induction coil 31 generates an alternating magnetic field. And then contacting a power taking belt of the power taking device 2 of the high-voltage transmission line through the alternating magnetic field, and simulating the power taking device 2 of the high-voltage transmission line to obtain electric energy from the high-voltage line by using an electromagnetic induction principle, thereby detecting whether the power taking device 2 of the high-voltage transmission line can normally take power.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. An electromagnetic field generating apparatus, characterized in that: the high-voltage power transmission line power taking device comprises a high-voltage power transmission line power taking device, a power supply, a main control unit and an electromagnetic field generating module, wherein a first magnetic conduction sheet is connected to the high-voltage power transmission line power taking device, a power supply input port, a RST port, a GND port, a third control end PD3 and a fourth control end PD4 are arranged on the main control unit, the positive pole of the power supply is connected with the power supply input port of the main control unit, the negative pole of the power supply is connected with the GND port of the main control unit, the third control end PD3 of the main control unit is connected with an MOS (metal oxide semiconductor) tube, the third control end PD3 of the main control unit is connected with a controlled end grid electrode of the MOS tube, the electromagnetic field generating module comprises a magnetic induction coil and a second magnetic conduction sheet, the second magnetic conduction sheet is arranged in the magnetic induction coil in a penetrating manner, one end of the magnetic induction coil is connected with, the fourth control end PD4 of the main control unit is connected with a device operation indication module, the fourth control end PD of the main control unit is connected with the device operation indication module, the PST port of the main control unit is connected with an MCU reset module, and the MCU reset module is connected with the RST port of the main control unit.
2. An electromagnetic field generating apparatus as defined in claim 1, wherein: the other end of the device operation indication module is connected with the positive pole of the power supply.
3. An electromagnetic field generating apparatus as defined in claim 2, wherein: the operation indicating module comprises a current-limiting resistor and an indicating lamp, one end of the current-limiting resistor is connected with a third control end PD of the main control unit, the other end of the current-limiting resistor is connected with the indicating lamp, and a power input end of the indicating lamp is connected with a power anode.
4. An electromagnetic field generating apparatus as defined in claim 1, wherein: one end of the MCU reset module is connected with the positive electrode of the power supply, and the other end of the MCU reset module is connected with the negative electrode of the power supply.
5. An electromagnetic field generating apparatus as defined in claim 4, wherein: the MCU reset module comprises a reset resistor and a reset capacitor, the power input end of the reset resistor is connected with the positive electrode of the power supply, the power output end of the reset resistor is connected with the reset capacitor, the RST port of the main control unit is connected between the reset resistor and the reset capacitor, and the power output end of the reset capacitor is connected with the negative electrode of the power supply.
6. An electromagnetic field generating apparatus as defined in claim 1, wherein: and a grid resistor is also connected in series between the MOS tube and the main control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037136.0U CN211351727U (en) | 2019-11-22 | 2019-11-22 | Electromagnetic field generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037136.0U CN211351727U (en) | 2019-11-22 | 2019-11-22 | Electromagnetic field generating device |
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| CN211351727U true CN211351727U (en) | 2020-08-25 |
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| CN201922037136.0U Active CN211351727U (en) | 2019-11-22 | 2019-11-22 | Electromagnetic field generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904127A (en) * | 2021-01-26 | 2021-06-04 | 浙江亚太机电股份有限公司 | Low-frequency magnetic field interference generating device |
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2019
- 2019-11-22 CN CN201922037136.0U patent/CN211351727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904127A (en) * | 2021-01-26 | 2021-06-04 | 浙江亚太机电股份有限公司 | Low-frequency magnetic field interference generating device |
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