A kind of detection body temperature hospital bed position calling systemTechnical field
The present invention relates to Medical Devices, be specifically related to medical berth calling system.
Background technology
Clinical medicine needs to use more medical instrument, such as, on berth, arrange medical call system, in emergency circumstances can call out nurse on duty or doctor at any time when patient has; At present along with the expansion in ward and the complexity of the system of being in hospital increase, the communication mode of the medical call system that berth is arranged changes into wireless gradually 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 the antenna that other electromagnetic waves also can interfere with on calling system in addition receives and transmits.Therefore, need a kind of anti-interference, require that it possesses good antenna performance such as omni-directional, standing-wave ratio (SWR), gain etc. again.Therefore this is also the direction that scientific research personnel studies.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, provide and possess good antenna performance, antenna and the jamproof antenna of such as omni-directional, standing-wave ratio (SWR), gain apply on calling system, limited when preventing patient calling.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of detect body temperature hospital bed position calling system, includes primary controller, the call button be connected with primary controller signal, the touch display screen that is connected with primary controller signal; Also include the communicator be connected with primary controller signal; Described communicator includes the communication antenna for transmitting.
Wherein, described communication antenna includes pcb board, and described pcb board includes laterally zygomorphic trapezoidal daughter board, also includes the web joint of connection two daughter board; The front of described pcb board is provided with about two symmetries, is located at the micro-strip oscillator unit of two daughter boards respectively; 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 with one heart; If be 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 the counterclockwise angle of Y-axis 122 ° to 132 ° regions; Described second annulus arm is provided with the second sector notch from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described second annulus arm is provided with the 3rd sector notch from the counterclockwise angle of X-axis 4 ° to 14 ° regions; Described 3rd annulus arm is provided with four fan-shaped breach from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described 3rd annulus arm is provided with the 5th sector notch from the clockwise angle of X-axis 66 ° to 81 ° regions;
Described first annulus arm is connected with the first fan-shaped linking arm from the counterclockwise angle of Y-axis 5 ° to clockwise angle 51 ° of regions and the second annulus arm; Described first annulus arm is connected with the second fan-shaped linking arm from the counterclockwise angle of X-axis 30 ° to clockwise angle 40 ° of regions and the second annulus arm; Described second annulus arm is connected with the fan-shaped linking arm of-three from the counterclockwise angle of Y-axis 114 ° to counterclockwise angle 122 ° of regions and the 3rd annulus arm; Described second annulus arm is connected with four fan-shaped linking arm from the clockwise angle of Y-axis 46 ° to clockwise angle 54 ° of regions and the 3rd annulus arm.
Wherein, the isolation arm straps of the fold-line-shaped being located at web joint both sides is also included.
Wherein, the reverse side of described pcb board is provided with two feeding points corresponding with the center of circle of two micro-strip oscillator unit respectively, and between two feeding 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 inner ring are 0.8cm-1.2cm; The described outer shroud of the second annulus arm and the radial width of inner ring are 0.4cm-6cm; The described outer shroud of the 3rd annulus arm and the radial width of inner ring are 0.4cm-0.6cm.
Wherein, the described outer shroud of the second annulus arm is identical with the radial width of inner ring with the outer shroud of described 3rd annulus arm with the radial width of inner ring.
Wherein, the described outer shroud of the first annulus arm and the radial width of inner ring are 1cm.
Wherein, the described outer shroud of the 3rd annulus arm and the radial width of inner ring are 0.5cm.
Wherein, also include the infrared body temperature detecting device for take temperature, described infrared body temperature detecting device is connected with primary controller.
Wherein, also include the heart rate detector for measuring heart rate, described heart rate detector is connected with primary controller.
Beneficial effect of the present invention is: in native system, by having redesigned antenna structure, providing and possessing good antenna performance, and antenna and the jamproof antenna of such as omni-directional, standing-wave ratio (SWR), gain apply on calling system, limited when preventing patient calling.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is the schematic diagram of communication antenna of the present invention;
Fig. 3 is the schematic diagram of communication antenna of the present invention;
Fig. 4 is the schematic diagram of micro-strip oscillator unit of the present invention;
Fig. 5 is the upward view of communication antenna of the present invention;
Fig. 6 is the direction parameter figure of communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 6:
1-PCB plate; 11-set screw;
21-first annulus arm; 22-second annulus arm; 23-the 3rd annulus arm;
3-isolates arm straps;
4-web joint; 5-feeding point;
Q1-first sector notch; Q2-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-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Figures 1 to 6, one described in the present embodiment detects body temperature hospital bed position calling system, includes primary controller, the call button be connected with primary controller signal, the touch display screen that is connected with primary controller signal; Also include the communicator be connected with primary controller signal; Described communicator includes the communication antenna for transmitting.One described in the present embodiment detects body temperature hospital bed position calling system, and described communication antenna includes pcb board 1, and described pcb board 1 includes laterally zygomorphic trapezoidal daughter board, also includes the web joint 4 of connection two daughter board; The front of described pcb board 1 is provided with about two symmetries, is located at the micro-strip oscillator unit of two daughter boards respectively; Described micro-strip oscillator unit includes the first annulus arm 21, second annulus arm 22, the 3rd annulus arm 23; Described first annulus arm 21, second annulus arm 22, the 3rd annulus arm 23 three are arranged with one heart; With Fig. 4 as a reference, if be 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 the counterclockwise angle of Y-axis 122 ° to 132 ° regions; Described second annulus arm 22 is provided with the second sector notch Q2 from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described second annulus arm 22 is provided with the 3rd sector notch Q3 from the counterclockwise angle of X-axis 4 ° to 14 ° regions; Described 3rd annulus arm 23 is provided with four fan-shaped breach Q4 from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described 3rd annulus arm 23 is provided with the 5th sector notch Q5 from the clockwise angle of X-axis 66 ° to 81 ° regions; Described first annulus arm 21 is connected with the first fan-shaped linking arm L1 from the counterclockwise angle of Y-axis 5 ° to clockwise angle 51 ° of regions and the second annulus arm 22; Described first annulus arm 21 is connected with the second fan-shaped linking arm L2 from the counterclockwise angle of X-axis 30 ° to clockwise angle 40 ° of regions and the second annulus arm 22; Described second annulus arm 22 is connected with the fan-shaped linking arm L3 of-three from the counterclockwise angle of Y-axis 114 ° to counterclockwise angle 122 ° of regions and the 3rd annulus arm 23; Described second annulus arm 22 is connected with four fan-shaped linking arm L4 from the clockwise angle of Y-axis 46 ° to clockwise angle 54 ° of regions and the 3rd annulus arm 23.By being not less than the microstrip circuit structural design of 300 times, and by be not less than 500 times test and parameter adjustment under, finally determine above-mentioned antenna structure, under its Electromagnetic Interference environment of simulation, this antenna all shows excellent communication electric parameter performance in 700MHZ to 1000MHZ frequency range (conventional communication band), concrete, than being greater than 31dB before and after the minimum frequency of radiating element, before and after in frequency band, be greater than 35dB than on average; Low frequency dot gains is greater than 9.37dBi, and in frequency band, average gain is greater than 9.8dBi.As Fig. 6, its gain pattern, omnidirectional's performance is very excellent.
Concrete actual test result such as following table HFSS15 software calculates:
| Test frequency range section | Ratio before and after in frequency band | 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 described in the present embodiment detects body temperature hospital bed position calling system, also includes the isolation arm straps 3 of the fold-line-shaped being located at web joint 4 both sides.Effectively can improve isolation performance, strengthen antijamming capability.
One described in the present embodiment detects body temperature hospital bed position calling system, and the reverse side of described pcb board 1 is provided with connection between two corresponding with the center of circle of two micro-strip oscillator unit respectively feeding point 5, two feeding points 5 and is provided with feed coupling line.
One described in the present embodiment detects body temperature hospital bed position calling system, and four angles of described pcb board 1 are respectively equipped with set screw 11 hole.For set screw 11.
One described in the present embodiment detects body temperature hospital bed position calling system, and the described outer shroud of the first annulus arm 21 and the radial width of inner ring are 0.8cm-1.2cm; The described outer shroud of the second annulus arm 22 and the radial width of inner ring are 0.4cm-6cm; The described outer shroud of the 3rd annulus arm 23 and the radial width of inner ring are 0.4cm-0.6cm.Verify by experiment, this structure can increase antenna stabilization further, for calling system provides stable communication to ensure.
One described in the present embodiment detects body temperature hospital bed position calling system, and the described outer shroud of the second annulus arm 22 is identical with the radial width of inner ring with the outer shroud of described 3rd annulus arm 23 with the radial width of inner ring.Verify by experiment, this structure can increase antenna stabilization further, for calling system provides stable communication to ensure, the one described in the present embodiment detects body temperature hospital bed position calling system, and the described outer shroud of the first annulus arm 21 and the radial width of inner ring are 1cm.Verify by experiment, this structure can increase antenna stabilization further, for calling system provides stable communication to ensure.
One described in the present embodiment detects body temperature hospital bed position calling system, and the described outer shroud of the 3rd annulus arm 23 and the radial width of inner ring are 0.5cm.Verify by experiment, this structure can increase antenna stabilization further, for calling system provides stable communication to ensure.
One described in the present embodiment detects body temperature hospital bed position calling system, and also include the infrared body temperature detecting device for take temperature, described infrared body temperature detecting device is connected with primary controller.Verify by experiment, this structure can increase antenna stabilization further, for calling system provides stable communication to ensure.
One described in the present embodiment detects body temperature hospital bed position calling system, and also include the heart rate detector for measuring heart rate, described heart rate detector is connected with primary controller.Verify by experiment, this structure can increase antenna stabilization further, for calling system provides stable communication to ensure.
The above is only a preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection domain of patented claim of the present invention.