CN111228649A - Low-temperature plasma generating device with adjustable strength - Google Patents
Low-temperature plasma generating device with adjustable strength Download PDFInfo
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- CN111228649A CN111228649A CN202010042412.7A CN202010042412A CN111228649A CN 111228649 A CN111228649 A CN 111228649A CN 202010042412 A CN202010042412 A CN 202010042412A CN 111228649 A CN111228649 A CN 111228649A
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- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/44—Applying ionised fluids
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
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- H05H1/24—Generating plasma
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Abstract
The invention discloses a low-temperature plasma generating device with adjustable strength, which is used for solving the problems that the existing plasma treatment device is large in volume and weight and has strict requirements on the environment for generating plasma; the system comprises an upper computer management system, a bottom core module and a handle treatment control module; the invention generates plasmas with different strengths by ionizing air, and the plasma is used in the treatment process; the plasma treatment current is detected through the current acquisition unit, the acquired data is transmitted to the feedback acquisition unit through the cable for analog-to-digital conversion, the data is processed through the processor and is uploaded to the upper computer management system through the communication unit for monitoring, and a closed loop is formed; the second interface on the bottom core module is independently configured, supports the connection of a plurality of handle treatment control modules, and is mutually independent and non-interference during treatment.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a low-temperature plasma generating device with adjustable strength.
Background
Currently, clinically common treatment means for such chronic skin ulcers of large-area burns, diabetic feet, psoriasis, drug dermatitis and the like include: 1. drug injection, interventional therapy for excess skin excision; 2. non-invasive light wave therapy; 3. artificial natural therapy. The above treatment methods all have the following defects and problems in different degrees: paralysis of muscle, large wound surface, large side effect, low efficiency, long recovery time, unsatisfactory later maintenance effect and the like; the effect of the plasma on treating partial skin diseases has the advantages of strong pertinence, high efficiency, no side effect and the like, and can provide a new treatment option for treating chronic wound diseases such as susceptibility to infection, difficult healing, drug allergy and the like.
The existing plasma treatment device mostly adopts an alternating current voltage transformation technology, has large volume and weight, has strict requirements on the environment for generating plasma, and is required to be in the environment of nitrogen and helium.
Disclosure of Invention
The invention aims to provide a low-temperature plasma generating device with adjustable strength, which is used for solving the problems that the existing plasma treatment device is large in volume and weight and has strict requirements on the environment for generating plasma;
the plasma generator converts direct-current low voltage with different strengths into alternating-current low voltage with different strengths through the driving unit and the power supply conversion unit, converts the alternating-current low voltage into direct-current high voltage through the primary voltage boosting part and the secondary voltage boosting part, finally outputs the direct-current high voltage into the plasma generator through the current limiting and protecting of the high-voltage output unit, and generates plasma with different strengths through ionized air under the direct-current high voltage with different strengths in the treatment process; the plasma treatment current is detected through the current acquisition unit, the acquired data is transmitted to the feedback acquisition unit through the cable for analog-to-digital conversion, the data is processed through the processor and is uploaded to the upper computer management system through the communication unit for monitoring, and a closed loop is formed; the upper computer management system is automatically switched to the interface, the second interface on the bottom core module is independently configured, the connection of a plurality of handle treatment control modules is supported, and the handle treatment control modules are mutually independent and have no interference during treatment.
The purpose of the invention can be realized by the following technical scheme: a low-temperature plasma generating device with adjustable strength comprises a bottom core module and a handle treatment control module, wherein the bottom core module comprises a communication unit, a power supply module, a processor, an execution mechanism and an interface module; the communication unit sends parameters to the processor, the parameters are set by an operator through an upper computer management system, and the parameters comprise treatment intensity, treatment time and a first interface; the processor analyzes the parameters, generates a control instruction according to the parameters and transmits the control instruction to the execution mechanism, and the execution mechanism is used for selecting and outputting the voltage with the corresponding strength on the power supply module and controlling the connection and disconnection of a first interface in the interface module;
the handle treatment control module comprises a second interface, a driving unit, a power conversion unit, a primary boosting component, a secondary boosting component and a high-voltage output unit;
a second interface in the handle treatment control module is connected with a first interface corresponding to the interface module, so that voltage with corresponding strength is connected; the second interface is connected with the driving unit and the power supply conversion unit; the driving unit is used for generating a driving signal of a specific state; the power supply conversion unit is used for converting the direct current low voltage into alternating current low voltage through a driving signal of the driving unit;
the power supply conversion unit transmits the alternating low voltage to a primary boosting component, and the primary boosting component is used for converting the alternating low voltage into the alternating high voltage; the primary boosting component transmits the alternating-current high voltage to the secondary boosting component, and the secondary boosting component is used for converting the alternating-current high voltage into direct-current high voltage; the secondary boosting component transmits the direct-current high voltage to the high-voltage output unit, the high-voltage output unit is used for outputting the direct-current high voltage to the plasma generator, and the plasma generator ionizes air to generate plasma with corresponding strength; the different-strength plasmas mean that the generated plasmas have different concentrations or different generated plasma currents; the higher the voltage intensity, i.e. the larger the voltage, the higher the concentration of the generated plasma, i.e. the larger the generated plasma current;
when a second interface on the handle treatment control module is connected with an interface module on the bottom core module, the handle treatment control module sends a connection signal to a feedback acquisition unit on the bottom core module, and a processor acquires the connection state of the interface module after receiving the connection signal, wherein the connection state comprises connection and disconnection; the processor uploads the data to the upper computer management system through the communication unit, and the upper computer management system prompts the connection states of the plurality of first interfaces; when an operator sets parameters through the upper computer management system, the interface module automatically selects and activates a second interface of the connected handle treatment control module, and when one first interface is occupied, the connection state is connection; the interface module automatically switches to the other first interface.
Further, the bottom layer core module further comprises a main power supply and a feedback acquisition unit; the output end of the feedback acquisition unit is in communication connection with the input end of the processor, and the feedback acquisition unit is used for acquiring the high-voltage direct-current discharge current output by the measurement high-voltage output unit and the connection state of the interface module, which are received by the interface module; the interface module is in communication connection with the feedback acquisition unit;
the output end of the processor is connected with the input end of the execution mechanism, and the execution mechanism executes the control instruction of the processor; the control instruction comprises a first interface corresponding to the interface module and a current intensity corresponding to the power module;
the main power supply is used for providing power supply for all parts on the bottom layer core module; the power supply module is electrically connected with the actuating mechanism and is used for outputting voltages with different intensities; the interface module comprises a plurality of first interfaces, and each first interface is correspondingly connected with a handle treatment control module; voltages of varying intensities ranged from 0 to DC 36V;
further, the handle treatment control module further comprises a current acquisition unit; the current acquisition unit is used for measuring the high-voltage direct-current discharge current output by the high-voltage output unit and transmitting the high-voltage direct-current discharge current to the second interface, and the second interface transmits the high-voltage direct-current discharge current output by the high-voltage output unit to the interface module.
Furthermore, the executing mechanism consists of a photoelectric coupler, a triode, a relay and a bus, and the executing mechanism comprises the following processing steps:
s1: the processor sends out a current intensity instruction, and selects corresponding intensity in the power supply module to output to the bus through the photoelectric coupler, the triode signal amplification and the relay action;
s2: the processor sends an interface output instruction, corresponding interfaces on a control bus are conducted through a photoelectric coupler, a triode and a relay, the selected current intensity is transmitted to an interface module, the first-stage boosting component is output, alternating current low voltage is converted into alternating current high voltage through a high-frequency transformer, and the second-stage boosting component is used for converting the alternating current high voltage into direct current high voltage through a voltage doubling rectifying circuit;
further, the plasma generator is used for ionizing air in the semi-open cavity through the high-voltage probe and generating plasma;
compared with the prior art, the invention has the beneficial effects that:
1. an operator sets corresponding parameters such as treatment intensity, treatment time, treatment interfaces and the like through an upper computer management system, the parameters are issued to a processor through a communication unit, the processor analyzes the parameters and controls an executing mechanism according to the parameters, the executing mechanism selects current intensity output with corresponding intensity on one hand and controls the connection and disconnection of an interface module on the other hand, a handle treatment control module is connected to power supplies with different intensities through a second interface, direct current low voltage with different intensities is converted into alternating current low voltage with different intensities through a driving unit and a power supply conversion unit, the alternating current low voltage is converted into direct current high voltage through a primary boosting component and a secondary boosting component, the direct current high voltage is finally output into a plasma generator through the current limiting and protection of a high voltage output unit, the direct current high voltage with different intensities is generated into plasmas with different intensities through ionized air, during the treatment process; the plasma treatment current is detected through the current acquisition unit, the acquired data is transmitted to the feedback acquisition unit through the cable for analog-to-digital conversion, the data is processed through the processor and is uploaded to the upper computer management system through the communication unit for monitoring, and a closed loop is formed;
2. when a second interface on the handle treatment control module is connected with an interface module on the bottom core module, the handle treatment control module sends a stable connection signal to a feedback acquisition unit on the bottom core module, a processor integrates the connection state of the interface module and uploads the connection state to an upper computer management system through a communication unit, and the upper computer management system prompts the connection state of a plurality of first interfaces; during treatment, when an operator sets treatment parameters through the upper computer management system, the interface module can automatically select and activate the second interface of the connected handle treatment control module, and when one first interface is occupied, the system is automatically switched to the other first interface; the upper computer management system is automatically switched to the interface, the second interface on the bottom core module is independently configured, the connection of a plurality of handle treatment control modules is supported, and the handle treatment control modules are mutually independent and have no interference during treatment.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of a low-temperature plasma generating device with adjustable intensity according to the present invention;
reference numerals:
1-upper computer management system; 2-bottom core module; 3-a handle treatment control module; 4-a communication unit; 5-a main power supply; 6-a power supply module; 7-a processor; 8-a feedback acquisition unit; 9-an actuator; 10-an interface module; 11-a second interface; 12-a drive unit; 13-a power conversion unit; 14-a primary boost component; 15-a secondary boost component; 16-a high voltage output unit; 17-a current collection unit; 18-plasma generator.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the low-temperature plasma generating device with adjustable strength comprises an upper computer management system 1, a bottom core module 2 and a handle treatment control module 3, wherein the upper computer management system 1 is in communication connection with the bottom core module 2, the bottom core module 2 is electrically connected with the handle treatment control module 3, the handle treatment control module 3 is electrically connected with a plasma generator 18, and the upper computer management system 1 is used for monitoring the state of the plasma device, issuing treatment control information, managing patient information and recording treatment records; the treatment control information comprises a treatment intensity parameter, a treatment time parameter and a treatment interface parameter; the patient information includes name, identification number, sex, age, telephone, address, disease category, disease notes and registration time; the treatment record is key information of each treatment of the patient, and the key information comprises treatment intensity, treatment duration, irradiation area number, affected part picture and treatment time;
the bottom core module 2 is used for generating various treatment voltages, analyzing instructions of the upper computer management system 1, controlling the output state and the output voltage intensity of each interface, collecting the treatment current of each output interface and monitoring the state of each output interface; the bottom layer core module 2 comprises a communication unit 4, a main power supply 5, a power supply module 6, a processor 7, a feedback acquisition unit 8, an execution mechanism 9 and an interface module 10; the communication unit 4 is used for data interaction between the upper computer management system 1 and the bottom core module 2; the communication unit 4 is in communication connection with the processor 7, the processor 7 is used for analyzing an instruction sent by the upper computer management system 1, controlling each part to execute the instruction, calculating and integrating data of the interface module 10 and uploading the data to the upper computer management system 1, the output end of the feedback acquisition unit 8 is in communication connection with the input end of the processor 7, and the feedback acquisition unit 8 is used for acquiring the treatment current intensity fed back by the handle treatment control module 3 and the connection state of the interface module 10; the connection state comprises connection and disconnection; the interface module 10 is in communication connection with the feedback acquisition unit 8; the output end of the processor 7 is connected with the input end of an execution mechanism 9, and the execution mechanism 9 is used for executing the instruction of the processor 7, selecting the power supply module 6 to generate corresponding current intensity and outputting the current intensity through an interface module 10; the main power supply 5 is used for providing power supply for all parts on the bottom layer core module 2; the power module 6 is electrically connected with the actuating mechanism 9, and the power module 6 is used for outputting voltages with different intensities; the interface module 10 comprises a plurality of first interfaces, and each first interface is correspondingly connected with one handle treatment control module 3; voltages of varying intensities ranged from 0 to DC 36V;
the handle treatment control module 3 is used for generating plasmas with different intensities according to different input voltages; the handle treatment control module 3 comprises a second interface 11, a driving unit 12, a power conversion unit 13, a primary boosting component 14, a secondary boosting component 15, a high-voltage output unit 16, a current acquisition unit 17 and a plasma generator 18; one end of the second interface 11 is connected with the interface module 10; the other end of the second interface 11 is electrically connected to a driving unit 12 and a power conversion unit 13, respectively, and the driving unit 12 is configured to generate a driving signal in a specific state; the power conversion unit 13 is configured to convert the dc low voltage into ac low voltage according to a driving signal of the driving unit 12; the power conversion unit 13 transmits the alternating low voltage to the primary voltage boosting component 14, and the primary voltage boosting component 14 is used for converting the alternating low voltage into the alternating high voltage; the primary boosting component 14 transmits the alternating-current high voltage to the secondary boosting component 15, and the secondary boosting component 15 is used for converting the alternating-current high voltage into direct-current high voltage; the secondary boosting component 15 transmits the direct-current high voltage to the high-voltage output unit 16, the high-voltage output unit 16 is used for outputting the direct-current high voltage to the plasma generator 18, the current acquisition unit 17 is used for measuring the high-voltage direct-current discharge current output by the high-voltage output unit 16 and transmitting the high-voltage direct-current discharge current to the second interface 11, and the second interface 11 is used for measuring the high-voltage direct-current discharge current output by the high-voltage output unit 16 and transmitting the high-voltage direct-current discharge current to the interface module 10; the plasma generator 18 is used for ionizing air in the semi-open cavity through the high-voltage probe and generating plasma;
the execution mechanism 9 consists of a photoelectric coupler, a triode, a relay and a bus, and the processing steps of the execution mechanism are as follows:
s1: the processor 7 sends out a current intensity instruction, selects the corresponding current intensity in the power module 6 and outputs the current intensity to the bus through the photoelectric coupler, the signal amplification of the triode and the action of the relay;
s2: the processor 7 sends an interface output instruction, controls the conduction of corresponding ports on the bus through a photoelectric coupler, a triode and a relay, and transmits the selected current intensity to the interface module 10 for output;
the first-stage boosting component 14 converts alternating-current low voltage into alternating-current high voltage through a high-frequency transformer, and the second-stage boosting component 15 converts the alternating-current high voltage into direct-current high voltage through a voltage-doubling rectifying circuit;
the plasma intensity regulation control principle of the invention is as follows: an operator sets corresponding parameters such as treatment intensity, treatment time, treatment interfaces and the like through the upper computer management system 1, the parameters are issued to the processor 7 through the communication unit 4, the processor 7 analyzes the parameters and controls the execution mechanism 9 according to the parameters, on one hand, the execution mechanism 9 selects current intensity output with corresponding intensity and on-off of the interface module 10, on the other hand, the handle treatment control module 3 is connected to power supplies with different intensities through the second interface 11, direct current low voltage with different intensities is converted into alternating current low voltage with different intensities through the driving unit 12 and the power conversion unit 13, the alternating current low voltage is converted into direct current high voltage through the primary boosting component 14 and the secondary boosting component 15, the direct current high voltage is finally output into the plasma generator 18 through the current limiting and protecting of the high voltage output unit 16, the direct current high voltage with different intensities is finally output into plasmas with different intensities through ionized air, during the treatment process; the plasma treatment current is detected through the current acquisition unit 17, the acquired data is transmitted to the feedback acquisition unit 8 through a cable for analog-to-digital conversion, the data is processed through the processor 7 and is uploaded to the upper computer management system 1 through the communication unit 4 for monitoring, and a closed loop is formed;
the multi-interface connection principle is as follows: when the second interface 11 on the handle treatment control module 3 is connected with the interface module 10 on the bottom core module 2, the handle treatment control module 3 sends a stable connection signal to the feedback acquisition unit 8 on the bottom core module 2, the processor 7 integrates the connection state of the interface module 10, the connection state is uploaded to the upper computer management system 1 through the communication unit 4, and the connection state of a plurality of first interfaces is prompted on the upper computer management system 1; during treatment, when an operator sets parameters through the upper computer management system 1, the interface module 10 can automatically select and activate the second interface of the connected handle treatment control module 3, and when one first interface is occupied, the system is automatically switched to the other first interface; the interface is automatically switched by the upper computer management system 1, the second interface on the bottom core module 3 is independently configured, and the connection of a plurality of handle treatment control modules 3 is supported, so that the treatment is independent and non-interference.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A low-temperature plasma generating device with adjustable strength comprises a bottom layer core module (2) and a handle treatment control module (3), and is characterized in that the bottom layer core module (2) comprises a communication unit (4), a power supply module (6), a processor (7), an execution mechanism (9) and an interface module (10); the communication unit (4) sends parameters to the processor (7), the parameters are set by an operator through the upper computer management system (1), and the parameters comprise treatment intensity, treatment time and a first interface; the processor (7) analyzes the parameters, generates a control instruction according to the parameters and transmits the control instruction to the execution mechanism (9), and the execution mechanism (9) is used for selecting and outputting the voltage with the corresponding strength on the power module (6) and controlling the connection and disconnection of a first interface in the interface module (10);
the handle treatment control module (3) comprises a second interface (11), a driving unit (12), a power supply conversion unit (13), a primary boosting component (14), a secondary boosting component (15) and a high-voltage output unit (16);
a second interface (11) in the handle treatment control module (3) is connected with a first interface corresponding to the interface module (10) so as to be connected with voltage with corresponding strength; the second interface (11) is connected with the driving unit (12) and the power conversion unit (13); the driving unit (12) is used for generating a driving signal of a specific state; the power supply conversion unit (13) is used for converting the direct current low voltage into alternating current low voltage through a driving signal of the driving unit (12); generating PWM waves with the frequency of 1-500 Khz, the duty ratio of 1-50% and the amplitude of 8V as driving signals in a specific state;
the power supply conversion unit (13) transmits the alternating low voltage to a primary boosting component (14), and the primary boosting component (14) is used for converting the alternating low voltage into an alternating high voltage; the primary boosting component (14) transmits the alternating-current high voltage to the secondary boosting component (15), and the secondary boosting component (15) is used for converting the alternating-current high voltage into direct-current high voltage; the secondary boosting component (15) transmits the direct current high voltage to the high voltage output unit (16), the high voltage output unit (16) is used for outputting the direct current high voltage to the plasma generator (18), and the plasma generator (18) enables the direct current high voltage with the corresponding intensity to generate plasma with the corresponding intensity through ionized air.
2. The low-temperature plasma generating device with adjustable strength according to claim 1, wherein when the second interface (11) on the handle therapy control module (3) is connected with the interface module 10 on the bottom core module (2), the handle therapy control module (3) sends a connection signal to the feedback acquisition unit (8) on the bottom core module (2), and the processor (7) acquires the connection state of the interface module (10) after receiving the connection signal, wherein the connection state includes connection and disconnection; the processor (7) is uploaded to the upper computer management system (1) through the communication unit (4), and the upper computer management system (1) prompts the connection states of the plurality of first interfaces; when an operator sets parameters through the upper computer management system (1), the interface module (10) automatically selects and activates the second interface (11) of the connected handle treatment control module (3), and when one first interface is occupied, the connection state is connection; the interface module (10) automatically switches to another first interface.
3. An intensity tunable low temperature plasma generating apparatus according to claim 1, wherein the bottom layer core module (2) further comprises a main power supply (5) and a feedback acquisition unit (8); the output end of the feedback acquisition unit (8) is in communication connection with the input end of the processor (7), and the feedback acquisition unit (8) is used for acquiring the high-voltage direct-current discharge current output by the measurement high-voltage output unit (16) and received by the interface module (10) and the connection state of the interface module (10); the interface module (10) is in communication connection with the feedback acquisition unit (8);
the output end of the processor (7) is connected with the input end of the execution mechanism (9), and the execution mechanism (9) executes the control instruction of the processor (7); the control instruction comprises that the power supply module (6) is selected to generate corresponding current intensity and a first interface corresponding to the interface module (10);
the main power supply (5) is used for providing power supply for all parts on the bottom layer core module (2); the power supply module (6) is electrically connected with the actuating mechanism (9), and the power supply module (6) is used for outputting voltages with different intensities; the interface module (10) comprises a plurality of first interfaces, and each first interface is correspondingly connected with a handle treatment control module (3); the voltage of different intensities ranges from 0 to DC 36V.
4. An intensity-adjustable low-temperature plasma generating device as claimed in claim 1, wherein the handle therapy control module (3) further comprises a current collecting unit (17); the current acquisition unit (17) is used for measuring the high-voltage direct current discharge current output by the high-voltage output unit (16) and transmitting the high-voltage direct current discharge current to the second interface (11), and the second interface (11) transmits the high-voltage direct current discharge current output by the high-voltage output unit (16) to the interface module (10).
5. The low-temperature plasma generating device with adjustable strength as claimed in claim 1, wherein the actuating mechanism (9) is composed of an optoelectronic coupler, a triode, a relay and a bus, and the processing steps of the actuating mechanism (9) are as follows:
s1: the processor (7) sends out a current intensity instruction, selects the corresponding intensity in the power module (6) to output to the bus through the photoelectric coupler, the triode signal amplification and the relay action;
s2: the processor (7) sends an interface output instruction, corresponding interfaces on the photoelectric coupler, the triode and the relay control bus are conducted, and the selected current intensity is transmitted to the interface module (10) to be output.
6. An intensity-adjustable low-temperature plasma generating device as claimed in claim 1, wherein said primary voltage boosting section (14) converts an ac low voltage into an ac high voltage by means of a high-frequency transformer, and said secondary voltage boosting section (15) converts an ac high voltage into a dc high voltage by means of a voltage-doubler rectifier circuit.
7. An intensity-tunable cryogenic plasma generation device according to claim 1, wherein the plasma generator (18) is used to ionize air and generate plasma in a semi-open cavity by a high voltage probe.
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| CN117122402A (en) * | 2023-10-26 | 2023-11-28 | 合肥中科离子医学技术装备有限公司 | Plasma treatment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112923498A (en) * | 2021-02-19 | 2021-06-08 | 合肥中科离子医学技术装备有限公司 | Low-temperature plasma air disinfection device with automatic intensity adjustment function |
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| CN113018705B (en) * | 2021-03-16 | 2023-03-14 | 合肥中科离子医学技术装备有限公司 | Handle control device for proton radiotherapy |
| CN117122402A (en) * | 2023-10-26 | 2023-11-28 | 合肥中科离子医学技术装备有限公司 | Plasma treatment system |
| CN117122402B (en) * | 2023-10-26 | 2024-02-13 | 合肥中科离子医学技术装备有限公司 | Plasma treatment system |
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