CN215006340U - Intelligent control system of medical microwave therapeutic apparatus - Google Patents
Intelligent control system of medical microwave therapeutic apparatus Download PDFInfo
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- CN215006340U CN215006340U CN202121730184.9U CN202121730184U CN215006340U CN 215006340 U CN215006340 U CN 215006340U CN 202121730184 U CN202121730184 U CN 202121730184U CN 215006340 U CN215006340 U CN 215006340U
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Abstract
The utility model discloses an intelligent system of a medical microwave therapeutic apparatus, which belongs to the technical field of intelligent microwave therapeutic apparatuses and comprises a switch high voltage source, a magnetron, a linear power supply, a microwave cable, a microwave probe, a power sensor, an AD converter and a microcontroller module, wherein the output end of the switch high voltage source is connected with the input end of the magnetron, the output end of the linear power supply is connected with the input end of the magnetron, the output end of the magnetron is connected with the microwave probe through the microwave cable, the output end of the magnetron is connected with the input end of the power sensor, the output end of the power sensor is connected with the microcontroller module through the AD converter, the output end of the microcontroller module is connected with the input end of the switch high voltage source, the microwave high voltage source utilizes the microwave heating effect treatment principle to place organisms in a microwave radiation field to complete the treatment process, thereby fundamentally solving the problem of imbalance of microwave output power, the safety performance of the instrument is greatly improved by the protection circuit added to hardware.
Description
Technical Field
The utility model relates to an intelligence microwave therapy appearance technical field especially relates to a medical microwave therapy appearance's intelligence control system.
Background
The microwave treatment is a new clinical treatment means, and has the advantages of simple equipment, obvious treatment effect, safe use, less complications and small tissue damage, thereby being affirmed by the medical field. The microwave therapeutic apparatus radiates the pathological change part of a patient by utilizing the heat generated by the microwave on the human body, thereby achieving the purpose of treatment.
At present, most microwave therapeutic apparatuses used in hospitals are imported, the defects of large volume, high price, complex operation and the like generally exist, the technology of the microwave therapeutic apparatuses produced in China needs to be updated, the stability of output power is poor, the treatment effect is not obvious, and necessary protection measures are lacked, so that the safety of the whole system is not very good, the intelligent degree is not ideal, and the use and the operation are inconvenient. It is necessary to redesign it, especially in terms of safety and control systems, using new design methods to achieve optimum results.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to the background art provides a medical microwave treatment appearance's intelligence control system, utilizes the microwave to send the thermal effect treatment principle, accomplishes the treatment process in placing the organism in the microwave radiation field, and fundamentally has solved microwave output's maladjustment problem, and the protection circuit who increases on the hardware makes the security performance of instrument have had very big improvement.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
an intelligent control system for medical microwave therapeutic apparatus is composed of high-voltage switch source, magnetron, linear power supply, microwave cable, power supply, and power supply,
The output end of the switch high-voltage source is connected with the input end of a magnetron, the output end of a linear power supply is connected with the input end of the magnetron, the output end of the magnetron is connected with the microwave probe through a microwave cable, the output end of the magnetron is connected with the input end of the power sensor, the output end of the power sensor is connected with the microcontroller module through the AD converter, and the output end of the microcontroller module is connected with the input end of the switch high-voltage source;
the high-voltage power supply is switched on and off, and is used for generating high voltage required by the magnetron, and stabilizing the output power of the magnetron through the feedback control of high-voltage direct current;
the linear power supply is used for providing stable direct-current voltage to supply power to the lamp filament;
the magnetron is used for adopting a medical special magnetron;
a microwave cable for transmitting microwaves;
the microwave probe is used for being inserted into the affected tissue of the patient for treatment;
a power sensor for monitoring the output power of the magnetron;
and the microcontroller module is used for controlling the normal operation of the intelligent control system of the whole medical microwave therapeutic apparatus.
As the utility model relates to a further preferred scheme of medical microwave therapy appearance's intelligence control system still contains hardware protection circuit, output drive circuit, power sensor's output passes through the input of hardware protection circuit connection microcontroller module, power sensor's output passes through the input of hardware protection circuit connection output drive circuit, output drive circuit's input is connected to the output of microcontroller module.
As the utility model relates to a further preferred scheme of the intelligent control system of the medical microwave therapeutic apparatus, the intelligent control system also comprises a keyboard module
The keyboard module, the display module, the alarm module and the communication module are respectively connected with corresponding ports of the microcontroller module.
As the utility model relates to a further preferred scheme of medical microwave therapy apparatus's intelligence control system, output drive circuit contains relay and silicon controlled rectifier, the input of relay and silicon controlled rectifier is connected respectively to microcontroller module's output, the silicon controlled rectifier passes through the relay and connects microcontroller module.
As a further preferred scheme of the intelligent control system of the medical microwave therapeutic apparatus, the display module adopts an LCD display circuit.
As the utility model relates to a further preferred scheme of medical microwave therapy appearance's intelligence control system, the magnetron is the emission source of microwave, comprises positive pole, resonant cavity, negative pole and magnetic field, adds 3.3V direct current filament voltage when giving the magnetron filament, makes the negative pole heating, adds the direct current high voltage about 2000V between positive pole and the negative pole simultaneously, and the electron that the negative pole was launched flies to the positive pole under the strong magnetic field effect, has a plurality of little resonant cavities on the positive pole, and the oscillation takes place in these resonant cavities before the positive pole is hit to the electron, and resonant frequency is about 2450 MHz.
As a further preferred scheme of the intelligent control system of the medical microwave therapeutic apparatus, the alarm module comprises a buzzer driving circuit and a light emitting diode.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
1. the utility model relates to an intelligent control system of medical microwave therapeutic instrument, which comprises a switch high voltage source, a magnetron, a linear power supply, a microwave cable, a microwave probe, a power sensor, an AD converter and a microcontroller module, and the utility model uses the microwave heating effect treatment principle to place the organism in a microwave radiation field to complete the treatment process, thereby fundamentally solving the problem of microwave output power imbalance, and the safety performance of the instrument is greatly improved by a protection circuit added on hardware;
2. the utility model discloses an output of power sensor collection magnetron for monitoring output power value constitutes a closed-loop control system, and the output of sensor still links on hardware protection circuit simultaneously, if control system breaks down, and output is uncontrolled, then probably causes output to surpass the required scope of this instrument, at this moment, will detect the signal that exceeds standard of output by hardware protection circuit, will export and turn-off by force to the reliability of reinforcing system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
The microwave is an ultrahigh frequency electromagnetic wave with the frequency of 300 '300000 MHz and the wavelength of 1 mm' 1m, and belongs to non-ionizing radiation. Microwave oven
The technology plays an important role in both medical diagnosis and therapy.
During the microwave treatment, thermal effect treatment and non-thermal effect treatment are distinguished according to the difference of the adopted microwave power density. Currently, the mechanism of thermal effect therapy is relatively clear. The treatment mechanism is as follows: most of human tissues are composed of polar molecules such as water and protein, and under the action of the torque of a microwave electric field, the polar molecules carry out orderly arranged orientation motion along the direction of the microwave electric field and rotate back and forth along with the alternation of a high-frequency electric field, and generate similar friction collision with adjacent molecules in the rotating process to generate heat. The temperature of the organism tissue of the irradiated part is raised, the blood vessels and the micro blood vessels are expanded, and the aims of accelerating the metabolic process, improving the local nutrition and enhancing the tissue repair and regeneration capacity are fulfilled. Unlike other thermotherapy methods, the heat source for microwave heating is not conducted from the outside, but is generated by the biological tissue itself, which has high efficiency of heat action and good thermal stability of equilibrium.
The power sensor collects the output of the magnetron and is used for monitoring the output power value to form a closed-loop control system. Meanwhile, the output end of the sensor is also connected to a hardware protection circuit, if the control system fails and the output is not controlled, the output power can exceed the range required by the instrument, and at the moment, the hardware protection circuit detects that the output exceeds the standard signal and forcibly turns off the output, so that the reliability of the system is enhanced.
The specific principle is as follows: an intelligent control system of medical microwave therapeutic apparatus, as shown in figure 1, comprises a switch high voltage source,
The output end of the magnetron is connected with the input end of the magnetron, the output end of the linear power supply is connected with the input end of the magnetron, the output end of the magnetron is connected with the microwave probe through the microwave cable, the output end of the magnetron is connected with the input end of the power sensor, the output end of the power sensor is connected with the microcontroller module through the AD converter, and the output end of the microcontroller module is connected with the input end of the switch high voltage source;
the high-voltage power supply is switched on and off, and is used for generating high voltage required by the magnetron, and stabilizing the output power of the magnetron through the feedback control of high-voltage direct current;
the linear power supply is used for providing stable direct-current voltage to supply power to the lamp filament;
the magnetron is used for adopting a medical special magnetron;
a microwave cable for transmitting microwaves;
the microwave probe is used for being inserted into the affected tissue of the patient for treatment;
a power sensor for monitoring the output power of the magnetron;
and the microcontroller module is used for controlling the normal operation of the intelligent control system of the whole medical microwave therapeutic apparatus.
Still contain hardware protection circuit, output drive circuit, power sensor's output passes through hardware protection circuit and connects microcontroller module's input, power sensor's output passes through hardware protection circuit and connects output drive circuit's input, output drive circuit's input is connected to microcontroller module's output.
The intelligent alarm system also comprises a keyboard module, a display module, an alarm module and a communication module, wherein the keyboard module, the display module and the alarm module
The block and the communication module are respectively connected with corresponding ports of the microcontroller module. The alarm module comprises a buzzer driving circuit and a light emitting diode, and the display module adopts an LCD display circuit. The output driving circuit comprises a relay and a controlled silicon, the output end of the microcontroller module is respectively connected with the input ends of the relay and the controlled silicon, and the controlled silicon is connected with the microcontroller module through the relay.
The power supply provides power for the control system; the keyboard and the LCD display circuit complete the man-machine conversation function; the control circuit of the magnetron achieves the treatment effect on different diseases of patients according to the requirements of the program instructions; the hardware protection circuit provides reliable protection for faults of the control system; the power sensor and the AD converter monitor the output of the microwave tube; the output drive is completed by the relay and the controlled silicon at the same time; the communication circuit completes information exchange between the controller and the upper computer; the buzzer driving circuit is combined with the light emitting diode to alarm the preheating end, the treatment end and the fault.
In order to prevent interference from entering from a power supply, the power supply consists of a switching power supply and a filter circuit, and the anti-interference performance is good. In order to facilitate the operation, a treatment physical therapy conversion key, a work pause key, a power adjusting key, a time adjusting key and a reset key are arranged; the display adopts a liquid crystal screen and an LED indicator light to display the information of the current power, time, treatment state and the like.
The alarm circuit mainly comprises a light-emitting diode and a buzzer. When the treatment is finished or the fault occurs, the alarm circuit acts to inform the operator of the current state in an acousto-optic mode. The communication circuit is mainly responsible for data communication between the instrument and the upper computer, and after treatment is finished, the relevant information of the treatment is uploaded to the upper computer.
The magnetron is a microwave emission source and comprises an anode, resonant cavities, a cathode and a magnetic field, when 3.3V direct current filament voltage is applied to a magnetron filament to heat the cathode, and meanwhile, about 2000V direct current high voltage is applied between the anode and the cathode, electrons emitted by the cathode fly to the anode under the action of a strong magnetic field, the anode is provided with a plurality of small resonant cavities, and the electrons oscillate in the resonant cavities before striking the anode, wherein the resonant frequency is about 2450 MHz.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides an intelligent control system of medical microwave therapeutic instrument which characterized in that: the microwave oven comprises a switch high-voltage source, a magnetron, a linear power supply, a microwave cable, a microwave probe, a power sensor, an AD converter and a microcontroller module, wherein the output end of the switch high-voltage source is connected with the input end of the magnetron, the output end of the linear power supply is connected with the input end of the magnetron, the output end of the magnetron is connected with the microwave probe through the microwave cable, the output end of the magnetron is connected with the input end of the power sensor, the output end of the power sensor is connected with the microcontroller module through the AD converter, and the output end of the microcontroller module is connected with the input end of the switch high-voltage source;
the high-voltage power supply is switched on and off, and is used for generating high voltage required by the magnetron, and stabilizing the output power of the magnetron through the feedback control of high-voltage direct current;
the linear power supply is used for providing stable direct-current voltage to supply power to the lamp filament;
the magnetron is used for adopting a medical special magnetron;
a microwave cable for transmitting microwaves;
the microwave probe is used for being inserted into the affected tissue of the patient for treatment;
a power sensor for monitoring the output power of the magnetron;
and the microcontroller module is used for controlling the normal operation of the intelligent control system of the whole medical microwave therapeutic apparatus.
2. The intelligent control system of the medical microwave therapeutic apparatus according to claim 1, wherein: still contain hardware protection circuit, output drive circuit, power sensor's output passes through hardware protection circuit and connects microcontroller module's input, power sensor's output passes through hardware protection circuit and connects output drive circuit's input, output drive circuit's input is connected to microcontroller module's output.
3. The intelligent control system of medical microwave treatment instrument according to claim 1 or 2, characterized in that: the intelligent alarm system also comprises a keyboard module, a display module, an alarm module and a communication module, wherein the keyboard module, the display module, the alarm module and the communication module are respectively connected with corresponding ports of the microcontroller module.
4. The intelligent control system of the medical microwave therapeutic apparatus according to claim 2, wherein: the output driving circuit comprises a relay and a controlled silicon, the output end of the microcontroller module is respectively connected with the input ends of the relay and the controlled silicon, and the controlled silicon is connected with the microcontroller module through the relay.
5. The intelligent control system of medical microwave treatment instrument according to claim 3, characterized in that: the display module adopts an LCD display circuit.
6. The intelligent control system of the medical microwave therapeutic apparatus according to claim 1, wherein: the magnetron is a microwave emission source and comprises an anode, resonant cavities, a cathode and a magnetic field, when 3.3V direct current filament voltage is applied to a magnetron filament to heat the cathode, and meanwhile, about 2000V direct current high voltage is applied between the anode and the cathode, electrons emitted by the cathode fly to the anode under the action of a strong magnetic field, the anode is provided with a plurality of small resonant cavities, and the electrons oscillate in the resonant cavities before striking the anode, wherein the resonant frequency is about 2450 MHz.
7. The intelligent control system of medical microwave treatment instrument according to claim 3, characterized in that: the alarm module comprises a buzzer driving circuit and a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730184.9U CN215006340U (en) | 2021-07-28 | 2021-07-28 | Intelligent control system of medical microwave therapeutic apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121730184.9U CN215006340U (en) | 2021-07-28 | 2021-07-28 | Intelligent control system of medical microwave therapeutic apparatus |
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| CN215006340U true CN215006340U (en) | 2021-12-03 |
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| CN202121730184.9U Expired - Fee Related CN215006340U (en) | 2021-07-28 | 2021-07-28 | Intelligent control system of medical microwave therapeutic apparatus |
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- 2021-07-28 CN CN202121730184.9U patent/CN215006340U/en not_active Expired - Fee Related
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Granted publication date: 20211203 |