A kind of medical berth calling system
Technical field
The present invention relates to armarium, be specifically related to medical berth calling system.
Background technology
Clinical medicine needs to use more medical instrument, such as, arrange medical call system on berth, in emergency circumstances can call nurse on duty or doctor at any time when patient has;Now with ward expansion and in hospital system complexity increase, the communication mode of the medical call system arranged on berth gradually changes into wireless from traditional wire, and radio communication will certainly produce certain radiation and electromagnetic wave, this rehabilitation on patient and the use on other clinical instruments have certain impact, and additionally other electromagnetic waves can also interfere with the antenna reception on calling system and launch signal.Accordingly, it would be desirable to one is anti-interference, require that it possesses preferable antenna performance such as omni-directional, standing-wave ratio, gain etc. again.Therefore this is also the direction that scientific research personnel studies.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, it is provided that possessing preferable antenna performance, such as omni-directional, standing-wave ratio, the antenna of gain and jamproof antenna apply on calling system, limited when preventing patient calling.
For achieving the above object, the concrete scheme of the present invention is as follows: a kind of medical berth calling system, includes the touch display screen that the call button that main controller is connected is connected with main controller signal with main controller signal;Also include the communicator being connected with main controller signal;Described communicator includes the communication antenna for launching signal.
Wherein, described communication antenna includes pcb board, and described pcb board includes laterally zygomorphic trapezoidal daughter board, also includes the connecting plate connecting two daughter boards;The front of described pcb board be provided with two symmetrical above and below, be respectively arranged on the micro-strip oscillator unit of two daughter boards;Described micro-strip oscillator unit includes the first annulus arm, the second annulus arm, the 3rd annulus arm;Described first annulus arm, the second annulus arm, the 3rd annulus arm three are arranged concentrically;If being Y-axis through center of circle vertical direction, horizontal direction is X-axis, and described first annulus arm is provided with the first sector notch from 122 ° to 132 ° regions of Y-axis angle counterclockwise;Described second annulus arm is provided with the second sector notch from 40 ° to 50 ° regions of Y-axis angle counterclockwise;Described second annulus arm is provided with the 3rd sector notch from 4 ° to 14 ° regions of X-axis angle counterclockwise;Described 3rd annulus arm is provided with four fan-shaped breach from 40 ° to 50 ° regions of Y-axis angle counterclockwise;Described 3rd annulus arm is provided with the 5th sector notch from 66 ° to 81 ° regions of X-axis angle clockwise;
Described first annulus arm is connected with the second annulus arm from Y-axis angle counterclockwise 5 ° to 51 ° of regions of angle clockwise the first fan-shaped linking arm;Described first annulus arm is connected with the second annulus arm from X-axis angle counterclockwise 30 ° to 40 ° of regions of angle clockwise the second fan-shaped linking arm;Described second annulus arm is connected with the 3rd annulus arm from Y-axis angle counterclockwise 114 ° to 122 ° of regions of angle counterclockwise the 3rd fan-shaped linking arm;Described second annulus arm is connected with the 3rd annulus arm from Y-axis angle clockwise 46 ° to 54 ° of regions of angle clockwise four fan-shaped linking arm.
Wherein, the isolation arm straps of the fold-line-shaped being located at connecting plate both sides is also included.
Wherein, the reverse side of described pcb board is provided with two distributing points corresponding with the center of circle of two micro-strip oscillator unit respectively, and between two distributing points, connection is provided with feed coupling line.
Wherein, four angles of described pcb board are respectively equipped with set screw hole.
Wherein, the described outer shroud of the first annulus arm and the radial width of internal ring are 0.8cm-1.2cm;The described outer shroud of the second annulus arm and the radial width of internal ring are 0.4cm-6cm;The described outer shroud of the 3rd annulus arm and the radial width of internal ring are 0.4cm-0.6cm.
Wherein, the outer shroud of described second annulus arm is identical with the radial width of internal ring with the outer shroud of described 3rd annulus arm with the radial width of internal ring.
Wherein, the described outer shroud of the first annulus arm and the radial width of internal ring are 1cm.
Wherein, the described outer shroud of the 3rd annulus arm and the radial width of internal ring are 0.5cm.
Wherein, also including the infrared body temperature detector for measuring body temperature, described infrared body temperature detector is connected with main controller.
Wherein, also including the heart rate detector for measuring heart rate, described heart rate detector is connected with main controller.
The invention have the benefit that in native system, by having redesigned antenna structure, it is provided that possessing preferable antenna performance, such as omni-directional, standing-wave ratio, the antenna of gain and jamproof antenna apply on calling system, limited when preventing patient calling.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention;
Fig. 2 is the schematic diagram of the communication antenna of the present invention;
Fig. 3 is the schematic diagram of the communication antenna of the present invention;
Fig. 4 is the schematic diagram of the micro-strip oscillator unit of the present invention;
Fig. 5 is the upward view of the communication antenna of the present invention;
Fig. 6 is the direction parameter figure of the communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 6:
1-PCB plate;11-set screw;
21-the first annulus arm;22-the second annulus arm;23-the 3rd annulus arm;
3-isolates arm straps;
4-connecting plate;5-distributing point;
Q1-the first sector notch;Q2-the second sector notch;Q3-the 3rd sector notch;The four fan-shaped breach of Q4-;Q5-the 5th sector notch;
The fan-shaped linking arm of L1-first;The fan-shaped linking arm of L2-second;The fan-shaped linking arm of L3--the 3rd;The four fan-shaped linking arm of L4-.
Detailed description of the invention
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not that the practical range of the present invention is confined to this.
As shown in Figures 1 to 6, the one medical berth calling system described in the present embodiment, include the touch display screen that the call button that main controller is connected is connected with main controller signal with main controller signal;Also include the communicator being connected with main controller signal;Described communicator includes the communication antenna for launching signal.One medical berth calling system described in the present embodiment, described communication antenna includes pcb board 1, and described pcb board 1 includes laterally zygomorphic trapezoidal daughter board, also includes the connecting plate 4 connecting two daughter boards;The front of described pcb board 1 be provided with two symmetrical above and below, be respectively arranged on the micro-strip oscillator unit of two daughter boards;Described micro-strip oscillator unit includes first annulus arm the 21, second annulus arm the 22, the 3rd annulus arm 23;Described first annulus arm the 21, second annulus arm the 22, the 3rd annulus arm 23 three is arranged concentrically;Using Fig. 4 as reference, if being Y-axis through center of circle vertical direction, horizontal direction is X-axis, and described first annulus arm 21 is provided with the first sector notch Q1 from 122 ° to 132 ° regions of Y-axis angle counterclockwise;Described second annulus arm 22 is provided with the second sector notch Q2 from 40 ° to 50 ° regions of Y-axis angle counterclockwise;Described second annulus arm 22 is provided with the 3rd sector notch Q3 from 4 ° to 14 ° regions of X-axis angle counterclockwise;Described 3rd annulus arm 23 is provided with four fan-shaped breach Q4 from 40 ° to 50 ° regions of Y-axis angle counterclockwise;Described 3rd annulus arm 23 is provided with the 5th sector notch Q5 from 66 ° to 81 ° regions of X-axis angle clockwise;Described first annulus arm 21 is connected with the second annulus arm 22 from Y-axis angle counterclockwise 5 ° to 51 ° of regions of angle clockwise the first fan-shaped linking arm L1;Described first annulus arm 21 is connected with the second annulus arm 22 from X-axis angle counterclockwise 30 ° to 40 ° of regions of angle clockwise the second fan-shaped linking arm L2;Described second annulus arm 22 is connected with the 3rd annulus arm 23 from Y-axis angle counterclockwise 114 ° to 122 ° of regions of angle counterclockwise the 3rd fan-shaped linking arm L3;Described second annulus arm 22 is connected with the 3rd annulus arm 23 from Y-axis angle clockwise 46 ° to 54 ° of regions of angle clockwise four fan-shaped linking arm L4.Designed by the microstrip circuit structure not less than 300 times, and by being not less than under 500 tests and parameter adjustment, finally determine above-mentioned antenna structure, under simulating its Electromagnetic Interference environment, this antenna all shows excellent communication electric parameter performance in 700MHZ to 1000MHZ frequency range (conventional communication band), concrete, than more than 31dB before and after the minimum frequency of radiating element, before and after frequency band is interior, ratio is average more than 35dB;Low frequency dot gains is more than 9.37dBi, and in frequency band, average gain is more than 9.8dBi.Such as Fig. 6, its gain pattern, omnidirectional's performance is the most excellent.
Concrete actual test result such as following table HFSS15 computed in software:
Test frequency range section
|
Before and after in frequency band than
|
Corresponding gain
|
700MHz |
31.222dB |
9.4001dBi |
750MHz |
31.856dB |
9.4216dBi |
850MHz |
32.325dB |
9.5352dBi |
870MHz |
32.687dB |
9.6159dBi |
890MHz |
33.987dB |
9.7650dBi |
910MHz |
33.999dB |
9.9321dBi |
920MHz |
34.147dB |
9.9225dBi |
940MHz |
35.236dB |
9.9150dBi |
1000MHz |
36.100dB |
10.250dBi |
One medical berth calling system described in the present embodiment, also includes the isolation arm straps 3 of the fold-line-shaped being located at connecting plate 4 both sides.Isolation performance can be effectively improved, strengthen capacity of resisting disturbance.
One medical berth calling system described in the present embodiment, the reverse side of described pcb board 1 is provided with two distributing points 5 corresponding with the center of circle of two micro-strip oscillator unit respectively, and between two distributing points 5, connection is provided with feed coupling line.
One medical berth calling system described in the present embodiment, four angles of described pcb board 1 are respectively equipped with set screw 11 hole.For set screw 11.
One medical berth calling system described in the present embodiment, the described outer shroud of the first annulus arm 21 and the radial width of internal ring are 0.8cm-1.2cm;The described outer shroud of the second annulus arm 22 and the radial width of internal ring are 0.4cm-6cm;The described outer shroud of the 3rd annulus arm 23 and the radial width of internal ring are 0.4cm-0.6cm.By experimental verification, this structure can increase antenna stabilization further, provides stable communication to ensure for calling system.
One medical berth calling system described in the present embodiment, the outer shroud of described second annulus arm 22 is identical with the radial width of internal ring with the outer shroud of described 3rd annulus arm 23 with the radial width of internal ring.By experimental verification, this structure can increase antenna stabilization further, provides stable communication to ensure the one medical berth calling system described in the present embodiment for calling system, and the described outer shroud of the first annulus arm 21 and the radial width of internal ring are 1cm.By experimental verification, this structure can increase antenna stabilization further, provides stable communication to ensure for calling system.
One medical berth calling system described in the present embodiment, the described outer shroud of the 3rd annulus arm 23 and the radial width of internal ring are 0.5cm.By experimental verification, this structure can increase antenna stabilization further, provides stable communication to ensure for calling system.
One medical berth calling system described in the present embodiment, also includes the infrared body temperature detector for measuring body temperature, and described infrared body temperature detector is connected with main controller.By experimental verification, this structure can increase antenna stabilization further, provides stable communication to ensure for calling system.
One medical berth calling system described in the present embodiment, also includes the heart rate detector for measuring heart rate, and described heart rate detector is connected with main controller.By experimental verification, this structure can increase antenna stabilization further, provides stable communication to ensure for calling system.
The above is only a preferred embodiment of the present invention, therefore all equivalence changes done according to structure, feature and the principle described in present patent application scope or modification, it is included in the protection domain of present patent application.