CN219695481U - Electric field measuring device powered by light - Google Patents
Electric field measuring device powered by light Download PDFInfo
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- CN219695481U CN219695481U CN202320316031.2U CN202320316031U CN219695481U CN 219695481 U CN219695481 U CN 219695481U CN 202320316031 U CN202320316031 U CN 202320316031U CN 219695481 U CN219695481 U CN 219695481U
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- 230000005684 electric field Effects 0.000 title claims abstract description 66
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000013307 optical fiber Substances 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses an electric field measuring device powered by light, which comprises a detector and a receiver, wherein the detector comprises a second power supply unit, an electric-to-light circuit and an electric field induction unit, and the receiver comprises a first power supply unit, an electric-to-light circuit and an electric field detection unit; the first power supply unit is connected with the second power supply unit through optical fibers, the first power supply unit is electrically connected with the photoelectric conversion circuit, the second power supply unit is electrically connected with the photoelectric conversion circuit, the photoelectric conversion circuit and the photoelectric conversion circuit are connected through optical fibers, the electric field induction unit is connected with the input end of the photoelectric conversion circuit, and the electric field detection unit is connected with the output end of the photoelectric conversion circuit. The utility model provides an optical power supply electric field measuring device, which provides a long-term stable power supply. The electric signal and the laser signal are converted by the electric-to-optical circuit and the optical-to-electrical circuit, and the optical fiber transmission is adopted, so that the interference of the electronic equipment on the signals is reduced.
Description
Technical Field
The utility model belongs to the technical field of communication, and particularly relates to an electric field measuring device powered by light.
Background
The laser wireless energy transmission technology takes laser beams as energy transmission carriers, adopts photocells to realize photoelectric conversion, can be applied to photoelectric energy transmission systems which take safe and reliable power supply as a final purpose under extremely severe environments such as high voltage, strong electromagnetic interference and the like, and can also be applied to scenes of long-distance transmission. Because the laser energy transmission system has the characteristics of simple insulation, strong electromagnetic interference resistance and the like, the laser energy transmission system is widely applied to application scenes such as high voltage, strong magnetic field and the like, and becomes a reliable energy transmission means gradually.
The electric field measuring device is used for verification and application of various electromagnetic principles, and has special application scenes, strong electricity, strong electromagnetism and pulse, interference to surrounding electronic devices and harm to human bodies, so that the high-reliability measuring device and remote operation are particularly important. Conventional electric field measurement devices require a test site to supply power, and typically use batteries, but have limited battery capacity, which requires frequent personnel access to the test site, increasing risk. While the electronic device may interfere with signal transmission.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an electric field measuring device and an estimation system powered by light, and aims to solve the problems that in the prior art, batteries are used for supplying power to an electric field measuring device, the power supply time is short, the batteries are required to be replaced frequently, and the electronic equipment can interfere with signal transmission.
The utility model adopts the following technical scheme:
an electric field measuring device powered by light comprises a detector and a receiver, wherein the detector comprises a second power supply unit, an electric-to-optical circuit and an electric field induction unit, and the receiver comprises a first power supply unit, an optical-to-electrical circuit and an electric field detection unit; the first power supply unit is connected with the second power supply unit through optical fibers, the first power supply unit is electrically connected with the photoelectric conversion circuit, the second power supply unit is electrically connected with the photoelectric conversion circuit, the photoelectric conversion circuit and the photoelectric conversion circuit are connected through optical fibers, the electric field induction unit is connected with the input end of the photoelectric conversion circuit, and the electric field detection unit is connected with the output end of the photoelectric conversion circuit.
In order to optimize the technical scheme, the specific measures adopted further comprise:
further, the first power supply unit comprises a power supply module U1 and a laser J1, wherein the power supply module U1 is electrically connected with the laser J1, and the power supply module U1 is electrically connected with the optical conversion circuit.
Further, the 5V power is input to the 4 pins and the 5 pins of the power module U1, the 1 pin of the power module U1 is grounded, the 2 pin of the power module U1 is electrically connected with the 2 pin of the laser J1, and the 1 pin of the laser J1 is grounded.
Further, the second power supply unit comprises a photocell J2 and a power supply voltage stabilizing module U2, the photocell J2 is electrically connected with the power supply voltage stabilizing module U2, and the power supply voltage stabilizing module U2 is electrically connected with the electric conversion photoelectric circuit.
Further, the 1 foot of photocell J2 is connected with 1 foot electricity of power voltage stabilizing module U2, 2 feet ground connection of photocell J2, 3 feet ground connection of power voltage stabilizing module U2, 4 feet output 5V power of power voltage stabilizing module U2.
Further, the electric-to-optical circuit comprises a measurement interface RF2, an operational amplifier U1, a resistor R1, the operational amplifier U2, an inductor L1 and a laser CN1 which are electrically connected in sequence, wherein the input end of the measurement interface RF2 is in wireless connection with the electric field induction unit, and the output end of the laser CN1 is connected with the optical-to-electrical circuit through an optical fiber.
Further, the 5 pin of the measurement interface RF2 is connected with the 3 pin of the operational amplifier U1, the 1 pin, the 2 pin, the 3 pin and the 4 pin of the measurement interface RF2 are grounded, the 7 pin and the 8 pin of the operational amplifier U1 are connected with +5v voltage, the 4 pin of the operational amplifier U1 is connected with-5V voltage, the 6 pin of the operational amplifier U1 is connected with the resistor R1, the resistor R1 is connected with the 3 pin of the operational amplifier U2, the 1 pin, the 2 pin and the 5 pin of the operational amplifier U2 are grounded, the 4 pin of the operational amplifier U2 is connected with +5v voltage, the 6 pin of the operational amplifier U2 is connected with the 2 pin of the laser CN1, one end of the inductor L1 is connected with the 4 pin of the operational amplifier U2 in series, the other end of the inductor L1 is connected with the 6 pin of the operational amplifier U2 in series, and the 1 pin of the laser CN1 is grounded.
Further, the photoelectric conversion circuit comprises a photodiode J3, an operational amplifier U3, an inductor L2 and a measurement interface RF1 which are electrically connected in sequence, wherein the output end of the measurement interface RF1 is electrically connected with the electric field detection unit.
Further, the 1 pin of the photodiode J3 is connected with the 3 pin of the operational amplifier U3, the 2 pin of the photodiode J3 is connected with +12v voltage, the 1 pin, the 2 pin and the 5 pin of the operational amplifier U3 are grounded, the 4 pin of the operational amplifier U3 is connected with +5v voltage, the 6 pin of the operational amplifier U3 is connected with the 5 pin of the measurement interface RF1, one end of the inductor L2 is connected with the 6 pin of the operational amplifier U3 in series, and the other end of the inductor L2 is connected with the 4 pin of the operational amplifier U3 in series.
Further, the electric field induction unit adopts an antenna, and the electric field detection unit adopts an oscilloscope.
The utility model has the beneficial effects that:
according to the electric field measuring device powered by light, the first power supply unit and the second power supply unit are connected through the optical fibers to realize energy supply, compared with a battery power supply mode in the prior art, the electric field measuring device powered by light does not need to manually and frequently enter and exit a test site to replace batteries, a stable power supply is provided, and dangerousness is reduced.
The antenna is used for carrying out non-contact induction on the electric field value, the induced electric field value is converted between the electric signal and the laser signal through the electric-to-optical circuit and the optical-to-electrical circuit, and meanwhile, the optical fiber is used for transmission, so that the interference of electronic equipment on the signal is greatly reduced. And this device circuit structure is simple, and it is more high-efficient convenient to use.
Drawings
Fig. 1 is a connection diagram of an optical power supply electric field measurement device module according to the present utility model.
Fig. 2 is a circuit diagram of an optical power supply electric field measuring device provided by the utility model.
Description of the embodiments
In order to clarify the technical scheme and working principle of the present utility model, the present utility model will be described in further detail below with reference to the specific embodiments with reference to the accompanying drawings, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
The utility model provides an electric field measuring device powered by light, as shown in fig. 1-2, comprising a detector and a receiver, wherein the detector comprises a second power supply unit, an electric-to-light circuit and an electric field induction unit, and the receiver comprises a first power supply unit, an electric-to-light circuit and an electric field detection unit; the first power supply unit is connected with the second power supply unit through optical fibers, the first power supply unit is electrically connected with the photoelectric conversion circuit, the second power supply unit is electrically connected with the photoelectric conversion circuit, the photoelectric conversion circuit and the photoelectric conversion circuit are connected through optical fibers, the electric field induction unit is connected with the input end of the photoelectric conversion circuit, and the electric field detection unit is connected with the output end of the photoelectric conversion circuit.
The electric field sensing unit adopts an antenna, and the electric field detecting unit adopts an oscilloscope.
The first power supply unit comprises a power supply module U1 and a laser J1, wherein the power supply module U1 is electrically connected with the laser J1, the power supply module U1 is electrically connected with a photoelectric conversion circuit, both the 4 pin and the 5 pin of the power supply module U1 are input with 5V power supplies, the 1 pin of the power supply module U1 is grounded, the 2 pin of the power supply module U1 is electrically connected with the 2 pin of the laser J1, and the 1 pin of the laser J1 is grounded. The second power supply unit comprises a photocell J2 and a power supply voltage stabilizing module U2, wherein the photocell J2 is electrically connected with the power supply voltage stabilizing module U2, and the power supply voltage stabilizing module U2 is electrically connected with the electric-to-optical circuit. The 1 foot of photocell J2 is connected with 1 foot electricity of power voltage stabilizing module U2, 2 feet ground connection of photocell J2, 3 feet ground connection of power voltage stabilizing module U2, the 4 feet output 5V power of power voltage stabilizing module U2. It can be understood that: firstly, a stable 5V direct current power supply is provided for a power supply module U1 in a first power supply unit, then an electric signal is converted into an optical signal through a laser J1 in the first power supply unit, the optical signal is converted into an electric signal through a photoelectric cell J2 in a second power supply unit by transmitting the second power supply unit through an optical fiber, and meanwhile, a power supply voltage stabilizing module is utilized to stabilize the power supply.
The electric-to-optical circuit comprises a measuring interface RF2, an operational amplifier U1, a resistor R1, an operational amplifier U2, an inductor L1 and a laser CN1 which are sequentially and electrically connected, wherein the input end of the measuring interface RF2 is in wireless connection with an electric field induction unit, the output end of the laser CN1 is connected with an optical-to-optical circuit through an optical fiber, the 5 pin of the measuring interface RF2 is connected with the 3 pin of the operational amplifier U1, the 1 pin, the 2 pin, the 3 pin and the 4 pin of the measuring interface RF2 are grounded, the 7 pin and the 8 pin of the operational amplifier U1 are in +5V voltage, the 4 pin of the operational amplifier U1 is in-5V voltage, the 6 pin of the operational amplifier U1 is connected with the resistor R1, the resistor R1 is connected with the 3 pin of the operational amplifier U2, the 1 pin, the 2 pin and the 5 pin of the operational amplifier U2 are grounded, the 4 pin of the operational amplifier U2 is in +5V voltage, the 6 pin of the operational amplifier U2 is connected with the inductor L1 and the other end of the inductor L1 is connected with the inductor L1 in series. It can be understood that: firstly, an antenna senses electric field intensity, then converts the sensed electric field into a weak voltage signal, sequentially amplifies the signal through an operational amplifier U1 and an operational amplifier U2 (two-stage amplifying circuit), then the operational amplifier U2 is connected with a laser CN1, the laser CN1 is driven to generate laser with certain intensity according to the intensity of the signal, the intensity of the laser is in direct proportion to the measured electric field intensity, and finally the laser is transmitted to a photoelectric conversion circuit through an optical fiber.
In the signal amplification process, the requirements of high bandwidth, high input impedance and high amplification gain are required to be considered, so that the operational amplifier U1 is used for performing impedance matching on an electric field signal measured by an antenna, converting the signal in a high resistance state into a signal in a low resistance state of a measurement system, and meeting the requirements of high bandwidth performance and a high frequency response range; the operational amplifier U2 is used for amplifying signals, and needs to have large enough amplification factor to ensure that the signals are not submerged by system noise, and meanwhile, the high bandwidth performance is maintained; resistor R1 is 100The resistor R1 connects the operational amplifier U1 and the operational amplifier U2, so that the high bandwidth performance of the operational amplifier U1 can be maintained, and meanwhile, the amplification factor of the operational amplifier U2 is balanced, so that the low-resistance state signal can be collected by a measurement system.
The photoelectric conversion circuit comprises a photodiode J3, an operational amplifier U3, an inductor L2 and a measurement interface RF1 which are electrically connected in sequence, wherein the output end of the measurement interface RF1 is electrically connected with an electric field detection unit, the 1 pin of the photodiode J3 is connected with the 3 pin of the operational amplifier U3, the 2 pin of the photodiode J3 is connected with +12V voltage, the 1 pin, the 2 pin and the 5 pin of the operational amplifier U3 are grounded, the 4 pin of the operational amplifier U3 is connected with +5V voltage, the 6 pin of the operational amplifier U3 is connected with the 5 pin of the measurement interface RF1, one end of the inductor L2 is connected with the 6 pin of the operational amplifier U3 in series, and the other end of the inductor L2 is connected with the 4 pin of the operational amplifier U3 in series. It can be understood that: the laser signal is received by the photodiode J3, then the optical energy is converted into an electric signal by the photodiode J3, the electric signal generated by the photodiode J3 and the received light intensity are in a linear relation in a direct proportion, then the electric signal is transmitted to the operational amplifier U3, the electric signal is amplified and finally transmitted to the measuring interface RF1, and the electric field intensity is detected by the oscilloscope.
The main working principle of the utility model is as follows:
the scheme in the utility model mainly comprises two aspects, namely energy supply and electric field measurement.
In terms of energy supply, taking the example that the first power supply unit supplies power to the second power supply unit:
firstly, a power module U1 in a first power supply unit is externally connected with a 5V direct current power supply, then the 5V direct current power supply is converted into a transverse current source to supply power to a laser J1, then the laser J1 converts an electric signal into an optical signal, the optical signal is transmitted to a second power supply unit through an optical fiber, a photocell J2 in the second power supply unit converts the optical signal into the electric signal, and meanwhile a power supply voltage stabilizing module is used for stabilizing the voltage of the power supply and supplying power to the second communication unit.
In the field measurement aspect, taking the measured signal flow direction as an example:
indoor detection: firstly, a detector is placed in an environment where the intensity of an electric field needs to be measured, then the intensity of the electric field is induced by an antenna, the induced electric field is converted into a weak voltage signal, the weak voltage signal is amplified by an operational amplifier U1 and an operational amplifier U2 (two-stage amplifying circuit) in sequence, the operational amplifier U2 is connected with a laser CN1, the laser CN1 is driven to generate laser with certain intensity according to the intensity of the signal, the intensity of the laser is in direct proportion to the intensity of the measured electric field, and finally the laser is transmitted to a receiver through an optical fiber.
Remote receiving: the photodiode J3 of the receiver receives the laser signal, then the photodiode J3 is utilized to convert the light energy into an electric signal, the electric signal generated by the photodiode J3 and the received light intensity are in a linear relation in a direct proportion, then the electric signal is transmitted to the operational amplifier U3, the electric signal is amplified, and finally the electric signal is transmitted to the measuring interface RF1, and the electric field intensity is detected through the oscilloscope.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. An optical power supply electric field measuring device, characterized in that: the detector comprises a second power supply unit, an electric-to-optical circuit and an electric field induction unit, and the receiver comprises a first power supply unit, an optical-to-electrical circuit and an electric field detection unit; the first power supply unit is connected with the second power supply unit through optical fibers, the first power supply unit is electrically connected with the photoelectric conversion circuit, the second power supply unit is electrically connected with the photoelectric conversion circuit, the photoelectric conversion circuit and the photoelectric conversion circuit are connected through optical fibers, the electric field induction unit is connected with the input end of the photoelectric conversion circuit, and the electric field detection unit is connected with the output end of the photoelectric conversion circuit.
2. An optically powered electric field measurement device as claimed in claim 1, wherein: the first power supply unit comprises a power supply module U1 and a laser J1, wherein the power supply module U1 is electrically connected with the laser J1, and the power supply module U1 is electrically connected with the photoelectric conversion circuit.
3. An optically powered electric field measurement device as claimed in claim 2, wherein: the power module U1's 4 feet and 5 feet all input 5V power, power module U1's 1 foot ground connection, power module U1's 2 feet are connected with laser J1's 2 feet electricity, laser J1's 1 foot ground connection.
4. An optically powered electric field measurement device as claimed in claim 1, wherein: the second power supply unit comprises a photocell J2 and a power supply voltage stabilizing module U2, wherein the photocell J2 is electrically connected with the power supply voltage stabilizing module U2, and the power supply voltage stabilizing module U2 is electrically connected with an electric-to-optical circuit.
5. An optically powered electric field measurement device as defined in claim 4 wherein: the 1 foot of photocell J2 is connected with 1 foot electricity of power voltage stabilizing module U2, 2 feet ground connection of photocell J2, 3 feet ground connection of power voltage stabilizing module U2, the 4 feet output 5V power of power voltage stabilizing module U2.
6. An optically powered electric field measurement device as claimed in claim 1, wherein: the electric-to-optical circuit comprises a measuring interface RF2, an operational amplifier U1, a resistor R1, an operational amplifier U2, an inductor L1 and a laser CN1 which are electrically connected in sequence, wherein the input end of the measuring interface RF2 is in wireless connection with the electric field induction unit, and the output end of the laser CN1 is connected with the optical-to-electrical circuit through an optical fiber.
7. An optically powered electric field measurement device as defined in claim 6, wherein: the measuring interface RF2 is characterized in that the 5 pin of the measuring interface RF2 is connected with the 3 pin of the operational amplifier U1, the 1 pin, the 2 pin, the 3 pin and the 4 pin of the measuring interface RF2 are grounded, the 7 pin and the 8 pin of the operational amplifier U1 are connected with +5V voltage, the 4 pin of the operational amplifier U1 is connected with-5V voltage, the 6 pin of the operational amplifier U1 is connected with the resistor R1, the resistor R1 is connected with the 3 pin of the operational amplifier U2, the 1 pin, the 2 pin and the 5 pin of the operational amplifier U2 are grounded, the 4 pin of the operational amplifier U2 is connected with +5V voltage, the 6 pin of the operational amplifier U2 is connected with the 2 pin of the laser CN1, one end of the inductor L1 is connected with the 4 pin of the operational amplifier U2 in series, the other end of the inductor L1 is connected with the 6 pin of the operational amplifier U2 in series, and the 1 pin of the laser CN1 is grounded.
8. An optically powered electric field measurement device as defined in claim 7 wherein: the photoelectric conversion circuit comprises a photodiode J3, an operational amplifier U3, an inductor L2 and a measurement interface RF1 which are electrically connected in sequence, wherein the output end of the measurement interface RF1 is electrically connected with the electric field detection unit.
9. An optically powered electric field measurement device as claimed in claim 8 wherein: the 1 foot of photodiode J3 is connected with the 3 feet of operational amplifier U3, the 2 feet of photodiode J3 connect +12V voltage, the 1 foot of operational amplifier U3, 2 feet, 5 feet ground connection, the 4 feet of operational amplifier U3 connect +5V voltage, the 6 feet of operational amplifier U3 connect the 5 feet of measurement interface RF1, inductance L2's one end and operational amplifier U3's 6 feet establish ties, inductance L2's the other end and operational amplifier U3's 4 feet establish ties.
10. An optically powered electric field measurement device as claimed in claim 1, wherein: the electric field induction unit adopts an antenna, and the electric field detection unit adopts an oscilloscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316031.2U CN219695481U (en) | 2023-02-27 | 2023-02-27 | Electric field measuring device powered by light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316031.2U CN219695481U (en) | 2023-02-27 | 2023-02-27 | Electric field measuring device powered by light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219695481U true CN219695481U (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320316031.2U Active CN219695481U (en) | 2023-02-27 | 2023-02-27 | Electric field measuring device powered by light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219695481U (en) |
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2023
- 2023-02-27 CN CN202320316031.2U patent/CN219695481U/en active Active
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