CN219921859U - Microwave radiator for physiotherapy repair - Google Patents
Microwave radiator for physiotherapy repair Download PDFInfo
- Publication number
- CN219921859U CN219921859U CN202321125312.6U CN202321125312U CN219921859U CN 219921859 U CN219921859 U CN 219921859U CN 202321125312 U CN202321125312 U CN 202321125312U CN 219921859 U CN219921859 U CN 219921859U
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- cavity
- radio frequency
- physiotherapy
- frequency signal
- antenna
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- 238000000554 physical therapy Methods 0.000 title claims abstract description 26
- 230000008439 repair process Effects 0.000 title description 6
- 239000007769 metal material Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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Abstract
The utility model provides a microwave radiator for physiotherapy restoration, which comprises a cavity, an antenna unit, a radio frequency signal source and an N-type radio frequency connector, wherein the cavity is provided with a cavity body; the cavity is of an inverted cylinder structure; the radio frequency signal source is fixedly arranged at the bottom end position inside the cavity and used for outputting a feed network; the N-type radio frequency connector is arranged in the cavity, one end of the N-type radio frequency connector is electrically connected with a radio frequency signal source and is used for dividing a feed network into N sub-ports; the antenna units are respectively arranged at the top end positions in the cavity, and one antenna unit corresponds to one sub-port of the feed network, wherein N is a positive integer greater than 1. The device reduces the complexity and loss of a feed network by adopting a single feed arrangement for the antenna units, so that the radiation capacity of the array is maximized. Through designing the antenna unit into circularly, still be equipped with the gap structure along edge to centre of a circle position cross at the surface for the antenna miniaturization can arrange more antenna units in limited cavity size.
Description
Technical Field
The utility model belongs to the technical field of physiotherapy equipment of microwave technology, and particularly relates to a microwave radiator for physiotherapy restoration.
Background
With the progress of technology, high-tech devices have been increasingly applied to human health. The physiotherapy method and the drug treatment are used for relieving pain or discomfort symptoms caused by joints, orthopaedics and the like. The drug therapy often brings a lot of side effects to the physiology of the patient, has a certain potential safety hazard, and although physiotherapy instruments can relieve some, most physiotherapy equipment also has limited the application range for various reasons, and is specifically shown in the following steps: (1) The physiotherapy equipment is large, occupies more space, reduces the probability of common individual home repair, is nearly impossible to realize, reduces the volume of the equipment as much as possible, reduces the cost, and becomes a technical problem to be solved in the field. (2) When the physiotherapy equipment repairs the position to be physiotherapy through the electrode piece in radiation, the area of radiation sweep is uneven, causes the unbalance of repairing easily, and the effect is relatively poor.
Disclosure of Invention
The technical scheme is as follows: in order to solve the technical problems, the utility model provides a miniaturized microwave radiator with uniform physiotherapy heating based on the improvement of the microwave radiator, and further particularly provides a microwave radiator for physiotherapy restoration, which comprises a cavity, an antenna unit, a radio frequency signal source and an N-type radio frequency connector; the cavity is of an inverted barrel structure; the radio frequency signal source is fixedly arranged at the bottom end position inside the cavity and used for outputting a feed network; the N-type radio frequency connector is arranged in the cavity, and one end of the N-type radio frequency connector is electrically connected with a radio frequency signal source and is used for uniformly dividing the feed network into N sub-ports; n antenna units are installed and are all independently installed at the top end position inside the cavity, one antenna unit corresponds to one sub-port of the feed network, and N is a positive integer greater than 1.
As an improvement, the antenna unit is of a single feed structure and is arranged in a circular structure, and the antenna unit is uniformly arranged at the top end of the cylinder structure at intervals.
As an improvement, the circular structure of the antenna unit is characterized in that a cross-shaped gap structure is arranged on the surface of the circular structure along the edge of the circular structure towards the center of a circle.
As an improvement, the cavity is of a structure prepared from metal materials, the upper surface is a cavity mouth surface, and the cavity mouth surface faces to a part to be subjected to physiotherapy and repair.
As an improvement, the cavity is of a structure prepared from metal materials, the upper surface is a cavity mouth surface, and the cavity mouth surface faces to a part to be subjected to physiotherapy and repair.
As an improvement, the radio frequency signal output by the radio frequency signal source is 2.45GHz.
As an improvement, the antenna units are provided with 2-20.
The beneficial effects are that: compared with the prior conventional device, the device provided by the utility model reduces the complexity and loss of a feed network by adopting a single feed arrangement for the antenna unit, and maximizes the radiation capacity of the array. Through designing the antenna unit into circular structure, specifically still set up along edge to the gap structure of centre of a circle position cross on the surface for the antenna miniaturization can arrange more antenna units in limited cavity size. Through setting up N type radio frequency joint, set up a feed network total mouth into N feed branch mouthful for the frequency dispersion effect has been reduced for the phase place that each unit of antenna array was stimulated all is the equiphase and is stimulated, makes the energy that antenna array radiated to the cavity mouth face overlap each other, do not offset, and radiant capacity maximize.
Drawings
Fig. 1 is a schematic view showing the external structure of a microwave radiator according to the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is a schematic structural view of the device of the present utility model.
In the figure: a cavity 1 and an antenna unit 2.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The microwave radiator for physiotherapy restoration shown in fig. 1 comprises a cavity 1, an antenna unit 2, a radio frequency signal source and an N-type radio frequency connector. The whole cavity 1 is of an inverted barrel structure, the upper end surface is a radiation surface, and the radiation surface faces to the part to be treated of a patient; the antenna unit 2 is designed into a circular structure, and is arranged on the upper end surface of the cylinder structure, and the antenna unit 2, the radio frequency signal source and the N-type radio frequency connector are arranged in the cylinder; the radio frequency signal source is fixedly arranged at the bottom end position inside the cavity body 1 and is used for outputting a feed network. The N-type radio frequency connector is arranged in the cavity, one end of the N-type radio frequency connector is electrically connected with a radio frequency signal source and used for uniformly dividing the feed network into N sub-ports. The antenna unit is installed N, all independently installs on the inside top of cavity 1, and wherein N is the positive integer more than 1.
As a specific embodiment of the utility model, the antenna units are of a single feed structure, and one antenna unit is electrically connected with one sub-port of the feed network output by the N-type radio frequency connector.
The cavity 1 is of a structure prepared from metal materials, the upper surface of the cavity is a cavity mouth surface, and the cavity mouth surface faces to a part to be subjected to physiotherapy restoration, wherein a radio frequency signal output by the radio frequency signal source is 2.45GHz. The radio frequency signal of 2.45GHz is input into the feed network through the N-type radio frequency connector, the feed network equally divides the fed power into 2-20 shares in an in-phase mode, and the antenna units 2 are provided with 2-20.
The antenna unit 2 is of a circular structure, and a cross-shaped gap structure is arranged on the surface of the antenna unit along the edge of the circular structure towards the center of the circle.
Example 1
As shown in FIG. 3, 8 antenna units are arranged, and the antenna units are uniformly input into the antennas 1 to 8, and radiate upwards through the antennas to uniformly heat the physiotherapy part.
The microwave radiator adopts 8 circular antenna units which are uniformly distributed in the cylindrical metal cavity, and the energy during irradiation is uniformly distributed on the cavity mouth surface to uniformly heat the human body physiotherapy part on the cavity mouth surface. The antenna unit adopts a single feed point and a quasi-cross slot structure, and the single feed point reduces the complexity and loss of a feed network, so that the radiation capacity of the array is maximized. The antenna is miniaturized by adopting the quasi-cross slot structure, more antenna units can be arranged in the required cavity size, so that the energy at the opening surface of the cavity is more uniform, the feed network is placed at the bottom of the cavity to reduce energy leakage, the energy of the network cannot leak through the bottom of the cavity, and electromagnetic interference to surrounding electrical equipment is reduced.
The antenna units of the 8 circular patch electrodes are fed through the 1-division 8 feed network, the feeder lines from the main port to each division are equal in length, the frequency dispersion effect is reduced, the excitation phases of all units of the antenna array are equal-phase excitation, the energy radiated to the port surface of the cavity by the antenna array is mutually overlapped and not offset, and the radiation capacity is maximized.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. A physiotherapy prosthetic microwave radiator, its characterized in that: the antenna comprises a cavity (1), an antenna unit (2), a radio frequency signal source and an N-type radio frequency connector; the cavity (1) is of an inverted barrel structure; the radio frequency signal source is fixedly arranged at the bottom end position inside the cavity (1) and is used for outputting a feed network; the N-type radio frequency connector is arranged in the cavity (1), and one end of the N-type radio frequency connector is electrically connected with a radio frequency signal source and is used for uniformly dividing the feed network into N sub-ports; n antenna units (2) are arranged and are independently arranged at the top end position inside the cavity (1), one antenna unit (2) corresponds to one sub-port of the feed network, and N is a positive integer greater than 1.
2. The physiotherapy prosthetic microwave applicator of claim 1 wherein: the antenna unit (2) is of a single feed structure, is arranged into a round structure and is uniformly arranged at the top end of the cylinder structure at intervals.
3. The physiotherapy prosthetic microwave applicator of claim 2 wherein: the circular structure of the antenna unit (2) is characterized in that a cross-shaped gap structure is arranged on the surface of the circular structure along the edge of the circular structure towards the center of a circle.
4. The physiotherapy prosthetic microwave applicator of claim 1 wherein: the cavity (1) is of a structure made of metal materials, the upper surface of the cavity is a cavity mouth surface, and the cavity mouth surface faces to a part to be subjected to physiotherapy restoration.
5. The physiotherapy prosthetic microwave applicator of claim 1 wherein: wherein, the radio frequency signal output by the radio frequency signal source is 2.45GHz.
6. A physiotherapy prosthetic microwave radiator according to claim 2 or 3, characterised in that: the antenna units (2) are arranged in 2-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125312.6U CN219921859U (en) | 2023-05-11 | 2023-05-11 | Microwave radiator for physiotherapy repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125312.6U CN219921859U (en) | 2023-05-11 | 2023-05-11 | Microwave radiator for physiotherapy repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219921859U true CN219921859U (en) | 2023-10-31 |
Family
ID=88491034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321125312.6U Active CN219921859U (en) | 2023-05-11 | 2023-05-11 | Microwave radiator for physiotherapy repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219921859U (en) |
-
2023
- 2023-05-11 CN CN202321125312.6U patent/CN219921859U/en active Active
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