CN215683554U - Plant electromagnetic stimulation device - Google Patents
Plant electromagnetic stimulation device Download PDFInfo
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- CN215683554U CN215683554U CN202120479466.XU CN202120479466U CN215683554U CN 215683554 U CN215683554 U CN 215683554U CN 202120479466 U CN202120479466 U CN 202120479466U CN 215683554 U CN215683554 U CN 215683554U
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Abstract
The utility model provides a plant electromagnetic stimulation device, which comprises a high-voltage electric field generator and a pulse magnetic field generator; the high-voltage electric field generator is connected with a laid power grid to form a high-voltage electric field in a plant area, and the pulse magnetic field generator is connected with the erected Hall element to form a pulse magnetic field in the plant area. The utility model realizes the integration of a high-voltage electric field and a pulse magnetic field device and realizes the continuous control of the magnetic pulse intensity.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic field generating devices, and particularly relates to a plant electromagnetic stimulation device.
Background
Research shows that the external electromagnetic field has influence on the relevant biological electromagnetic effects of germination, vitality, physiology, biochemical process, seedling growth, plant growth character, product quality, plant negative ion release content and the like of plant seeds.
The patent No. CN201120013063.2, entitled device for stimulating indoor plants to release a large amount of negative ions, provides an instrument device for stimulating indoor plants to release a large amount of negative ions, which can generate high-voltage electric pulses and stimulate specific plants to generate negative ions by using the high-voltage electric pulses. The technology has the following technical problems: 1. the amplitude of the high-voltage pulse voltage cannot be adjusted in a large range; 2. high-voltage pulse voltage cannot be controlled with high precision; 3. the full digital parameter adjustment cannot be realized; 4. the high-voltage power supply and the high-voltage pulse power supply cannot be switched.
The patent number is CN201220202819.2, the patent name is "a portable multi-parameter adjustable plant electric pulse stimulator", which provides a portable multi-parameter adjustable plant electric pulse stimulator, which can generate a certain high voltage electric pulse, and can stimulate specific plants by using the high voltage pulse to generate relevant biological electromagnetic effects such as releasing air negative ions. The technology has the following technical problems: 1. the high-voltage power supply and the high-voltage pulse power supply cannot be switched; 2. the pulse voltage cannot be controlled with high accuracy.
In the prior art, a Device for automatic magnetic pulse simulation of plant processes, dmitriyKhot 1, Igor Smirnov 1, Alexey Kutyrev 1, and Rostislavilppov 1, the following technical problems exist: 1. the magnetic field intensity cannot be continuously adjusted. Because the MCP4231 is a 10K, 129 subdivision digital potentiometer, resistance value is discontinuous during program control, so that output voltage of the DC-DC converter is discontinuous, and magnetic field intensity is discontinuously changed. This is also a common problem with existing magnetic field generators. 2. The system performance is general. In the prior art, an ATmega 328p microcontroller is used, the capacity of a flash memory is 32KB, and the performance of the system is severely restricted by the storage capacity. 3. The cost is high. In the prior art, a pulse signal generator and a plurality of controllers are used. The pulse signal generator usually adopts a signal generator, and the device is not valuable, so that the cost is increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a plant electromagnetic stimulation device, which realizes the integration of a high-voltage electric field and a pulse magnetic field device and realizes the continuous control of the magnetic pulse intensity.
The specific technical scheme is as follows:
the plant electromagnetic stimulation device comprises a high-voltage electric field generator and a pulse magnetic field generator; the high-voltage electric field generator is connected with a laid power grid to form a high-voltage electric field in a plant area, and the pulse magnetic field generator is connected with a erected Hall element to form a pulse magnetic field in the plant area;
the high-voltage electric field generator comprises an AC-to-DC protection isolation circuit, a central control single chip microcomputer and an IGBT drive, wherein the AC-to-DC protection isolation circuit is connected with a 220V power supply and respectively supplies power to the central control single chip microcomputer and the IGBT drive; the central control single chip microcomputer is connected with the IGBT drive, and the central control single chip microcomputer sends a signal to control the IGBT drive; the IGBT drive is connected with the inverter circuit module and the boost rectifier circuit in sequence, the IGBT drive is connected with the inverter circuit module to generate a specific alternating current signal, the boost rectifier circuit generates a constant or pulse high-voltage signal, and the boost rectifier circuit is connected with a power grid arranged around crops to generate a high-voltage electric field.
The pulse magnetic field generator comprises a central control single chip microcomputer, a laser ranging module and an infrared coding module;
the power supply device supplies electric energy to the central control single chip microcomputer, the laser ranging module and the infrared coding module;
the central control singlechip is respectively connected with the laser ranging module and the switch control circuit, and generates electric pulses with adjustable frequency and duty ratio to control the switch control circuit;
the central control single chip microcomputer wirelessly regulates and controls the adjustable numerical control power supply module through the infrared coding module, and the adjustable numerical control power supply module is connected with the switch control circuit;
the switch control circuit is respectively connected with the energy storage circuit and the output control circuit, and the energy storage circuit is sequentially connected with the output control circuit and the Helmholtz coil; the Helmholtz coil is electrified to generate magnetic pulses in the space;
the output control circuit is controlled by the switch control circuit, and the central control single chip microcomputer controls the adjustable numerical control power supply module to output different voltage values by reading the distance parameters measured by the laser ranging module, so that the maximum energy value stored by the energy storage circuit is controlled, and the intensity of the magnetic pulse is controlled.
Further, the switch control circuit comprises a first relay, a second relay and a transistor group; the central control singlechip is connected with a CH1 channel of a first relay, the first relay is connected with an output control circuit, and when the electric pulse is at a high level, the first relay is communicated with the output control circuit of the output control circuit; the first relay is connected with a channel CH1 of the second relay, and the second relay is connected with the grid electrode of the transistor group; the source electrode of the transistor group is connected with the adjustable numerical control power supply module, the drain electrode of the transistor group is connected with the energy storage circuit, when the electric pulse is at a low level, the output control circuit is not conducted, the adjustable numerical control power supply module is connected with the energy storage circuit, and the energy storage circuit stores electric energy.
Compared with the prior art, the utility model realizes the integration of the high-voltage electric field and the pulse magnetic field device and realizes the continuous control of the magnetic pulse intensity.
In the electric field part, the switching between a high-voltage power supply and a high-voltage pulse power supply is realized, the high-precision control of pulse voltage is realized, and the large-range high-precision adjustable electric field output is realized.
In the magnetic field part, the magnetic field intensity is continuously adjustable, the requirement of big data storage is met, and the system performance is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a high voltage electric field generator;
FIG. 3 is a schematic diagram of a pulsed magnetic field generator;
fig. 4 is a schematic structural diagram of the switch control circuit.
Detailed Description
The specific technical scheme of the utility model is explained by combining the attached drawings.
The utility model relates to a plant electromagnetic stimulation device, which comprises a high-voltage electric field generator and a pulse magnetic field generator; the high-voltage electric field generator is connected with a laid power grid to form a high-voltage electric field in a plant area, and the pulse magnetic field generator is connected with the erected Hall element to form a pulse magnetic field in the plant area.
As shown in fig. 1, in the present invention, a high voltage electric field generator 10 outputs a high voltage electric signal or a high voltage pulse signal, and the high voltage electric field generator 10 connects an anode and a cathode to a pre-established power grid 40 respectively to form a high voltage electric field; the pulsed magnetic field generator 20 generates a pulsed electric signal, generates a magnetic field through the hall element 30, and finally acts on the plant 50, so that the plant can be helped to grow and develop, and the yield of the plant can be improved.
The high voltage electric field generator portion and the pulsed magnetic field generator portion will be separately described below.
The high-voltage electric field generator can generate a fixed high-voltage electric field or a specific high-voltage pulse electric field, and the high-voltage electric field is utilized to stimulate specific plants to generate relevant biological electromagnetic effects such as plant robustness, yield improvement, release of air negative ions and the like, so that the high-voltage electric field generator has important significance for deeply researching the biological electromagnetic effects of the plants, particularly the plants under the field condition.
As shown in fig. 2, the high voltage electric field generator comprises an AC-to-DC protection isolation circuit, a central control single chip, an IGBT driving and inverting circuit, and a boost rectifying module, wherein the AC-to-DC protection isolation circuit is connected with a 220V power supply, and the AC-to-DC protection isolation circuit respectively supplies power to the central control single chip and the IGBT driving; the central control single chip microcomputer is connected with the IGBT drive, and the central control single chip microcomputer sends a signal to control the IGBT drive; the IGBT drive is connected with the inverter circuit module and the boost rectifier circuit in sequence, the IGBT drive is connected with the inverter circuit module to generate a specific alternating current signal, the boost rectifier circuit generates a constant or pulse high-voltage signal, and the boost rectifier circuit is connected with a power grid arranged around crops to generate a high-voltage electric field.
The high-voltage electric field generator adopts a structural layout of 'high-low voltage separation': the control box, the rectification part that steps up, complete machine power supply can be supplied power by the commercial power directly, and small in size has the portability.
The high-voltage electric field generator can set stable high voltage or pulse high voltage and the amplitude, pulse interval time and pulse width of high-voltage pulse through keys according to different experimental requirements and requirements of environmental electric fields so as to achieve the optimal stimulation effect.
The high-voltage electric field generator is provided with a fusing protection and half-bridge isolation circuit, can effectively protect the circuit and plays a role in protecting when elements are aged or operated by human errors.
The high-voltage electric field generator adopts an IGBT driving and inverting circuit, and comprises a filter capacitor, so that the accuracy of high-voltage pulse, including pulse amplitude, pulse time and pulse width, can be effectively improved, and a stable high-voltage electric field environment can be constructed.
The high-voltage electric field generator adopts a structure layout of 'high-low voltage separation', and the AC-to-DC protection isolation circuit comprises an AC-to-DC voltage reduction circuit for converting 220V mains supply into voltage suitable for the stimulator; the IGBT driving and inverting circuit is connected with the boost rectifying circuit; the two ends of the boosting module are led out by the circular power connector sockets and are connected to a distributed power grid to form a high-voltage pulse electric field environment, so that plants grow more sturdy, the plant yield is improved, and the planting benefit and the economic value of unit land are improved.
In the pulse magnetic field generator, a power supply device is a central control singlechip, a laser ranging module and an infrared coding module for supplying electric energy.
The central control singlechip is used as a central starting point, and the central control singlechip generates an electric pulse with adjustable frequency and duty ratio to control the switch control circuit; the switch control circuit is connected with the adjustable numerical control power supply module and the energy storage circuit; the energy storage circuit is externally connected with an output control circuit, and the output control circuit is externally connected with a Helmholtz coil; the helmholtz coil is energized to produce a magnetic pulse in space. The output control circuit is controlled by the switch control circuit and is regulated and controlled through an electric signal.
Meanwhile, the central control single chip microcomputer is connected with the laser ranging module and the infrared coding module. The central control single chip microcomputer controls the adjustable numerical control power supply module to output different voltage values by reading the distance parameters measured by the laser ranging module, so that the maximum energy value stored by the energy storage circuit is controlled, and the intensity of the magnetic pulse is controlled.
The method for controlling the adjustable numerical control power supply module to output different voltage values comprises the following specific steps: the central control single chip microcomputer obtains a voltage value to be output by the adjustable numerical control power supply module through reading the distance parameter measured by the laser ranging module and internal calculation of a program, outputs an NEC signal code corresponding to the voltage value through the infrared coding module, and the adjustable numerical control power supply module controls the output voltage through an integrated circuit of the adjustable numerical control power supply module after receiving the code.
In the switch control circuit, as shown in fig. 4, the central control single chip microcomputer outputs an electric pulse to connect with the CH1 channel of the first relay, and when the electric pulse is at a high level, the first relay is turned on, that is, the first relay pins 5 and 6 are connected. Because the first relay pin 7 is connected with the channel of the second relay CH1, and the first relay pin 7 is suspended, the second relay CH1 is at a low level at the moment, so the second relay is not conducted, the second relay pin 5 is connected with the grid electrode of the transistor group, so the grid electrode of the transistor group is at a low level, the transistor is in a non-conducting state, the source electrode and the grid electrode are disconnected, the adjustable numerical control power supply module and the energy storage circuit are disconnected, and the electric energy stored by the energy storage circuit is released.
Meanwhile, when the electric pulse is at a high level, the pins 5 and 6 of the first relay are connected, and because the pin 6 is connected with a 5V high level, the pin 5 is connected with the trigger electrode 3 of the output control circuit, the output control circuit is conducted, and the electric pulse is released outwards; a magnetic field is generated in space by an external helmholtz coil, thereby generating a magnetic pulse.
When the electric pulse is at a low level, the output control circuit is not conducted, and the adjustable numerical control power supply module is connected with the energy storage circuit to store electric energy for the energy storage circuit.
The utility model effectively solves the problem of discontinuous magnetic field intensity regulation commonly existing in the magnetic field generator, improves the existing electric field stimulation technology, can generate a pulse electric field and a constant electric field, and greatly improves the precision of an electric field generation part compared with the prior art. The utility model can be used for realizing the research of the genetic potential productivity of crops and solving the problem of economic benefit of agricultural production.
Claims (4)
1. The plant electromagnetic stimulation device is characterized by comprising a high-voltage electric field generator and a pulse magnetic field generator; the high-voltage electric field generator is connected with a laid power grid to form a high-voltage electric field in a plant area, and the pulse magnetic field generator is connected with the erected Hall element to form a pulse magnetic field in the plant area.
2. The plant electromagnetic stimulation device according to claim 1, wherein the high-voltage electric field generator comprises an AC-to-DC protection isolation circuit, a central control single chip microcomputer, an IGBT driving and inverting circuit and a boost rectifying module, the AC-to-DC protection isolation circuit is connected with a 220V power supply, and the AC-to-DC protection isolation circuit respectively supplies power to the central control single chip microcomputer and the IGBT driving; the central control single chip microcomputer is connected with the IGBT drive, and the central control single chip microcomputer sends a signal to control the IGBT drive; the IGBT drive is connected with the inverter circuit module and the boost rectifier circuit in sequence, the IGBT drive is connected with the inverter circuit module to generate a specific alternating current signal, the boost rectifier circuit generates a constant or pulse high-voltage signal, and the boost rectifier circuit is connected with a power grid arranged around crops to generate a high-voltage electric field.
3. The plant electromagnetic stimulation device according to claim 1, wherein the pulsed magnetic field generator comprises a central control single chip microcomputer, a laser ranging module and an infrared coding module;
the power supply device supplies electric energy to the central control single chip microcomputer, the laser ranging module and the infrared coding module;
the central control singlechip is respectively connected with the laser ranging module and the switch control circuit, and generates electric pulses with adjustable frequency and duty ratio to control the switch control circuit;
the central control single chip microcomputer wirelessly regulates and controls the adjustable numerical control power supply module through the infrared coding module, and the adjustable numerical control power supply module is connected with the switch control circuit;
the switch control circuit is respectively connected with the energy storage circuit and the output control circuit, and the energy storage circuit is sequentially connected with the output control circuit and the Helmholtz coil; the Helmholtz coil is electrified to generate magnetic pulses in the space;
the output control circuit is controlled by the switch control circuit;
the central control single chip microcomputer controls the adjustable numerical control power supply module to output different voltage values by reading the distance parameters measured by the laser ranging module, so that the maximum energy value stored by the energy storage circuit is controlled, and the intensity of the magnetic pulse is controlled.
4. The plant electromagnetic stimulation device according to claim 3, wherein the switch control circuit comprises a first relay, a second relay, a transistor group;
the central control singlechip is connected with a CH1 channel of a first relay, the first relay is connected with an output control circuit, and when the electric pulse is at a high level, the first relay is communicated with the output control circuit of the output control circuit;
the first relay is connected with a channel CH1 of the second relay, and the second relay is connected with the grid electrode of the transistor group; the source electrode of the transistor group is connected with the adjustable numerical control power supply module, the drain electrode of the transistor group is connected with the energy storage circuit, when the electric pulse is at a low level, the output control circuit is not conducted, the adjustable numerical control power supply module is connected with the energy storage circuit, and the energy storage circuit stores electric energy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120479466.XU CN215683554U (en) | 2021-03-05 | 2021-03-05 | Plant electromagnetic stimulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120479466.XU CN215683554U (en) | 2021-03-05 | 2021-03-05 | Plant electromagnetic stimulation device |
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| CN215683554U true CN215683554U (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930919A (en) * | 2021-03-05 | 2021-06-11 | 四川大学 | Plant electromagnetic stimulation device |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930919A (en) * | 2021-03-05 | 2021-06-11 | 四川大学 | Plant electromagnetic stimulation device |
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