CN104852765A - Data communication method, system and CT machine system - Google Patents
Data communication method, system and CT machine system Download PDFInfo
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- CN104852765A CN104852765A CN201410054199.6A CN201410054199A CN104852765A CN 104852765 A CN104852765 A CN 104852765A CN 201410054199 A CN201410054199 A CN 201410054199A CN 104852765 A CN104852765 A CN 104852765A
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Abstract
The invention provides a data communication method and system and a CT machine system; the system comprises at least one unit set selected from a group formed by a first unit set and a second unit set; the first unit set comprises the following elements: a power line signal emission unit used for converting first data, sent to a second device by a first device, into first power line communication data, and the first power line communication data is sent out by a first power line unit; first visible light signal emission unit used for receiving the first power line communication data sent by the first power line unit and processing the first power line communication data, and sending out a first light signal in a visible light mode; a first visible light signal reception unit used for receiving the first light signal, and converting the first light signal into first data for the second device. The data communication method and system and the CT machine system can save some specific connecting lines, thus providing a tidy room; in addition, existing resources can be integrated for fully utilization.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of data communications method, system and CT machine system.
Background technology
CT machine is widely used in medicine and hygiene fields as a kind of Medical Devices and diagnoses to assist a physician.The structural representation of current a kind of CT machine system is shown in Fig. 1.As shown in Figure 1, this CT machine system comprises: CT frame 10, control and image processing system 20 and examination couch 30.Wherein, CT frame 10 comprises stationary part and rotating part, the rotating parts such as X-ray bulb 12 and x-ray detector 13 that rotating part comprises CT rotating disk 11 and rotates with CT rotating disk 11.
Wherein, X-ray bulb 12 can launch X ray on the direction perpendicular to rotating disk 11 axis.
X-ray detector 13 is installed in the relative position of X-ray bulb 12, for receive X-ray bulb 12 launch X ray, and be converted into view data export to control and image processing system 20.
The view data that control and image processing system 20 export for receiving x-ray detector 13, and carry out image reconstruction according to described view data; Simultaneously in order to realize the control of the rotating part to CT frame 10, also communicate for carrying out two-way control data with CT frame 10.
Examination couch 30 for support person under inspection, and by carrying out being elevated and carrying out imaging inspection in efficient diagnosis region that person under inspection to send in CT frame 10 by horizontal movement.In order to realize the Position Control to examination couch 30, between examination couch 30 with CT frame 10, also there is two-way control data communicate.
In CT machine system, CT frame 10 and examination couch 30 are positioned at scanning room, and are subject to extra X-radiation in order to avoid operating personnel, control and image processing system 20 is normally positioned at outside scanning room.At present, the view data of x-ray detector 13 output is given by Optical Fiber Transmission and is controlled and image processing system 20; CT frame 10 and to control and control data between image processing system 20 and examination couch 30 is then realized by the client cables of two-way communication.
In addition, those skilled in the art are also being devoted to the data communication package finding other.
Summary of the invention
In view of this, one aspect of the present invention proposes a kind of data communications method, proposes a kind of data communication system and CT machine system on the other hand, in order to save some dedicated connections, makes space clean and tidy; And existing resource can be integrated, existing resource is fully used.
The data communications method proposed in the present invention, comprising: at least one flow process in the first communication process and second communication flow process; Wherein, the first communication process comprises: sent to by the first equipment the first data of the second equipment to be converted to the first power line communication data; Described first power line communication data is gone out by power line channel transfer; Receive the first power line communication data from described power line passage, go out with the first optical signal launch of visible ray form after demodulation modulation is carried out to described first power line communication data; Receive described first light signal, and convert described first light signal to first data and be supplied to the second equipment; Second communication flow process comprises: go out with the second optical signal launch of visible ray form after sending to the second data of the first equipment to modulate to the second equipment; Receive described second light signal, and convert described second light signal to second power line communication data; Described second power line communication data is gone out by power line channel transfer; Receive from the second power line communication data of described power line passage, and described second power line communication data is converted to the second data is supplied to the first equipment.
In one embodiment, described first equipment is the control of CT machine system and image processing system, described second equipment is CT frame.
In one embodiment, the method comprises further: at least one flow process in third communication flow process and the 4th communication process; Wherein, third communication flow process comprises: CT frame sent to the control data of an examination couch to go out with the 3rd optical signal launch of visible ray form; Receive described 3rd light signal, and the control data described 3rd light signal being converted to correspondence sends to described examination couch; 4th communication process comprises: sent to by examination couch the control data of CT frame to go out with the 4th optical signal launch of visible ray form; Receive described 4th light signal, and the control data described 4th light signal being converted to correspondence sends to described CT frame.
The data communication system that the present invention proposes, comprising: at least one the unit group in first module group and second unit group; Wherein, first module group comprises: power line signal transmitting element, for being sent to by the first equipment the first data of the second equipment to be converted to the first power line communication data, is transferred out by described first power line communication data by the first power line unit; First visible light signal transmitter unit, for receiving the first power line communication data of described first power line unit transmission, and goes out with the first optical signal launch of visible ray form after processing described first power line communication data; With the first visible light signal receiving element, for receiving described first light signal, and convert described first light signal to first data and be supplied to the second equipment; Second unit group comprises: the second visible light signal transmitter unit, goes out with the second optical signal launch of visible ray form for the second equipment being sent to the second data of the first equipment; Second visible light signal receiving element, for receiving described second light signal, and being converted described second light signal to second power line communication data, being transferred out by described second power line communication data by the second power line unit; With the first power line signal receiving element, for receiving the second power line communication data of described second power line unit transmission, and described second power line communication data is converted to the second data is supplied to the first equipment.
In one embodiment, the first visible light signal transmitter unit comprises: the first power line demodulation module, for carrying out demodulation to described first power line communication data, obtains the first demodulating data; First visible ray modulation module, for modulating described first demodulating data, obtains the first modulating data; First load-on module, for being loaded into one first visible ray driving power by described first modulating data; With the first light-emitting diode, under the driving of described the first visible ray driving power being loaded with the first modulating data, launch the first light signal; First visible light signal receiving element comprises: the first photodiode or the first photon detector, for receiving the first light signal that described first light-emitting diode is launched; With the first visible ray demodulation module, for carrying out demodulation to described first light signal, obtain the second data, and described second data are supplied to the second equipment; Second visible light signal transmitter unit comprises: the second visible ray modulation module, for sending to the second data of the first equipment to modulate to the second equipment, obtains the second modulating data; Second load-on module, for being loaded into one second visible ray driving power by described second modulating data; With the second light-emitting diode, under the driving of described the second visible ray driving power being loaded with the second modulating data, launch the second light signal; Second visible light signal receiving element comprises: the second photodiode or the second photon detector, for receiving the second light signal that described second light-emitting diode is launched; Second visible ray demodulation module, for carrying out demodulation to described second light signal, obtains the second demodulating data; With the first power line modulating unit, for modulating described second demodulating data, obtain the second power line communication data.
In one embodiment, the first visible light signal receiving element comprises further: the first filter, for extracting the first light signal that described first light-emitting diode is launched; Described first photodiode or the first photon detector are for receiving the first light signal after described first filter extracts; Second visible light signal receiving element comprises further: the second filter, for extracting the second light signal that described second light-emitting diode is launched; Described second photodiode or the second photon detector are for receiving the second light signal after described second filter extracts.
In one embodiment, described first equipment is the control of CT machine system and image processing system, described second equipment is CT frame.
In one embodiment, this system comprises further: at least one the unit group in the 3rd unit group and the 4th unit group; 3rd unit group comprises: the 3rd visible light signal transmitter unit, goes out with the 3rd optical signal launch of visible ray form for CT frame being sent to the control data of examination couch; 3rd visible light signal receiving element, for receiving described 3rd light signal, and the control data described 3rd light signal being converted to correspondence sends to described examination couch; 4th unit group comprises: the 4th visible light signal transmitter unit, goes out with the 4th optical signal launch of visible ray form for examination couch being sent to the control data of CT frame; With the 4th visible light signal receiving element, for receiving described 4th light signal, and the control data described 4th light signal being converted to correspondence sends to described CT frame.
In one embodiment, the 3rd visible light signal transmitter unit comprises: the 3rd visible ray modulation module, for sending to the control data of examination couch to modulate to CT frame, obtains the 3rd modulating data; 3rd load-on module, for being loaded into one the 3rd visible ray driving power by described 3rd modulating data; With the 3rd light-emitting diode, under the driving of described the 3rd visible ray driving power being loaded with the 3rd modulating data, launch the 3rd light signal; 3rd visible light signal receiving element comprises: the 3rd photodiode or three-photon detector, for receiving the 3rd light signal that described 3rd light-emitting diode is launched; With the 3rd visible ray demodulation module, for carrying out demodulation to described 3rd light signal, obtaining corresponding control data and sending to described examination couch; 4th visible light signal transmitter unit comprises: the 4th visible ray modulation module, for sending to the control data of CT frame to modulate to examination couch, obtains the 4th modulating data; 4th load-on module, for being loaded into one the 4th visible ray driving power by described 4th modulating data; With the 4th light-emitting diode, under the driving of described the 4th visible ray driving power being loaded with the 4th modulating data, launch the 4th light signal; 4th visible light signal receiving element comprises: the 4th photodiode or the 4th photon detector, for receiving the 4th light signal that described 4th light-emitting diode is launched; 4th visible ray demodulation module, for carrying out demodulation to described 4th light signal, obtaining corresponding control data and sending to described CT frame.
The CT machine proposed in the present invention, comprises the data communication system of above-mentioned arbitrary specific implementation form.
As can be seen from such scheme, owing to adopting visible light communication (Visible LightCommunication in the present invention, and power line communication (Power Line Communication VLC), PLC) mode combined realizes the transfer of data between two equipment, and have configuration in (comprising hospital) at almost any one building due to power line, and general finishing is within the walls, socket is only had to expose metope, therefore can directly take, and without the need to taking the interior space; In addition, visible lamp is also generally indoor necessary, and such as illumination is used or decoration is used, and visible light communication is all radio communication.Therefore eliminate the configuration of two equipment room dedicated connections, and make space clean and tidy; And existing resource can be integrated, existing resource is fully used.
Accompanying drawing explanation
The preferred embodiments of the present invention will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present invention, in accompanying drawing:
Fig. 1 is the structural representation of current a kind of CT machine system.
Fig. 2 is a structural representation of a kind of data communication system in the embodiment of the present invention.
Fig. 3 is the structural representation of the first visible light signal transmitter unit in system shown in Figure 2.
Fig. 4 is the structural representation of the first visible light signal receiving element in system shown in Figure 2.
Fig. 5 is the structural representation of the second visible light signal transmitter unit in system shown in Figure 2.
Fig. 6 is the structural representation of the second visible light signal receiving element in system shown in Figure 2.
Fig. 7 is another structural representation of a kind of data communication system in the embodiment of the present invention.
Fig. 8 is the structural representation of the 5th visible light signal transmitter unit in system shown in Figure 7.
Fig. 9 is the structural representation of the 5th visible light signal receiving element in system shown in Figure 7.
Figure 10 is the part-structure schematic diagram of a kind of data communication system in the embodiment of the present invention.
Figure 11 is the structural representation of the 3rd visible light signal transmitter unit in system shown in Figure 10.
Figure 12 is the structural representation of the 3rd visible light signal receiving element in system shown in Figure 10.
Figure 13 is the structural representation of the 4th visible light signal transmitter unit in system shown in Figure 10.
Figure 14 is the structural representation of the 4th visible light signal receiving element in system shown in Figure 10.
Figure 15 is the exemplary block diagram of the data transmission system in the CT machine system in the present invention's example.
Figure 16 is the exemplary process diagram of the first communication process in data communications method in the embodiment of the present invention.
Figure 17 is the exemplary process diagram of second communication flow process in data communications method in the embodiment of the present invention.
Figure 18 is the exemplary process diagram of the 5th communication process in data communications method in the embodiment of the present invention.
Figure 19 is the exemplary process diagram of third communication flow process in data communications method in the embodiment of the present invention.
Figure 20 is the exemplary process diagram of the 4th communication process in data communications method in the embodiment of the present invention.
Wherein, accompanying drawing is described as follows:
Embodiment
In the embodiment of the present invention, in order to less dedicated connection not between two equipment of same position of trying one's best, consider that the mode adopting visible light communication and power line communication to combine realizes the transfer of data between two equipment.Because power line has configuration at almost any one building in (comprising hospital), and generally fit up within the walls, only have socket to expose metope, therefore can directly take, and without the need to taking the interior space.In addition, visible lamp is also generally indoor necessary, and such as illumination is used or decoration is used, and visible light communication is all radio communication, therefore also eliminates the configuration of dedicated connection.
For making the object, technical solutions and advantages of the present invention clearly, the present invention is described in more detail by the following examples.
Fig. 2 is the structural representation of a kind of data communication system in the embodiment of the present invention.As shown in Figure 2, this system can comprise: first module group and second unit group.Wherein, first module group can comprise: power line signal transmitting element 110, first visible light signal transmitter unit 130 and the first visible light signal receiving element 140.Second unit group can comprise: the second visible light signal transmitter unit 210, second visible light signal receiving element 220 and the first power line signal receiving element 240.
Wherein, power line signal transmitting element 110 is converted to the first power line communication data for the first equipment being sent to the first data of the second equipment, and is coupled to by the first power line communication data in the first power line unit 120 and transmits.In the present embodiment, power line signal transmitting element 110, by carrying out the respective handling such as modulating to the first data, is converted into the first power line communication data.
The first power line communication data that first visible light signal transmitter unit 130 transmits for receiving the first power line unit 120, and go out with the first optical signal launch of visible ray form after the process such as demodulation modulation are carried out to the first power line communication data.
First visible light signal receiving element 140 for receiving the first light signal, and converts the first light signal to first data and is supplied to the second equipment.
Second visible light signal transmitter unit 210 is gone out with the second optical signal launch of visible ray form for send to the second data of the first equipment to carry out the process such as modulation to the second equipment after.
Second visible light signal receiving element 220 is for receiving the second light signal, and convert the second power line communication data to after the process such as demodulation modulation is carried out to the second light signal, and the second power line communication data is coupled in the second power line unit 230 and transmits.
The second power line communication data that first power line signal receiving element 240 transmits for receiving the second power line unit 230, and the second power line communication data is converted to the second data is supplied to the first equipment.In the present embodiment, the first power line signal receiving element 240 obtains the second data after the second power line communication data being carried out to the process such as demodulation.
During specific implementation, above-mentioned first visible light signal transmitter unit 130 can have multiple way of realization, and a kind of way of realization has wherein been shown in Fig. 3.As shown in Figure 3, this first visible light signal transmitter unit 130 can comprise: the first power line demodulation module 131, first visible ray modulation module 132, first load-on module 133 and the first light-emitting diode 134.
Wherein, the first power line demodulation module 131, for carrying out demodulation to the first power line communication data, obtains the first demodulating data.
First visible ray modulation module 132, for modulating the first demodulating data, obtains the first modulating data.
First load-on module 133 is for being loaded into one first visible ray driving power 150 by the first modulating data.
First light-emitting diode 134, under the driving of the first visible ray driving power being loaded with the first modulating data, launches the first light signal.
Above-mentioned first visible light signal receiving element 140 also can have multiple way of realization, and a kind of way of realization has wherein been shown in Fig. 4.As shown in Figure 4, this first visible light signal receiving element 140 can comprise: the first photodiode or the first photon detector 141 and the first visible ray demodulation module 142.
Wherein, the first photodiode or the first photon detector 141 are for receiving the first light signal of the first light-emitting diode 134 transmitting.
First visible ray demodulation module 142, for carrying out demodulation to the first light signal, obtains the second data, and the second data are supplied to the second equipment.
Above-mentioned second visible light signal transmitter unit 210 also can have multiple way of realization, and a kind of way of realization has wherein been shown in Fig. 5.As shown in Figure 5, this second visible light signal transmitter unit 210 can comprise: the second visible ray modulation module 211, second load-on module 212 and the second light-emitting diode 213.
Wherein, the second visible ray modulation module 211 is modulated for sending to the second data of the first equipment to the second equipment, obtains the second modulating data.
Second load-on module 212 is for being loaded into one second visible ray driving power 250 by the second modulating data.
Second light-emitting diode 213, under the driving of the second visible ray driving power being loaded with the second modulating data, launches the second light signal.
Above-mentioned second visible light signal receiving element 220 also can have multiple way of realization, and a kind of way of realization has wherein been shown in Fig. 6.As shown in Figure 6, this second visible light signal receiving element 220 can comprise: the second photodiode or the second photon detector 221, second visible ray demodulation module 222 and the first power line modulating unit 223.
Wherein, the second photodiode or the second photon detector 221 are for receiving the second light signal of the second light-emitting diode 213 transmitting.
Second visible ray demodulation module 222, for carrying out demodulation to the second light signal, obtains the second demodulating data.
First power line modulating unit 223, for modulating the second demodulating data, obtains the second power line communication data.
In the present embodiment, when receiving visible light signal, also can be filtered visible light signal by a filter in advance, to filter out unnecessary spectral signal or other and the visible light signal deposited, to extract target visible light signal.Such as, above-mentioned first visible light signal receiving element 140 can comprise further: the first filter 143, for extracting the first light signal that the first light-emitting diode 134 is launched; Correspondingly, the first photodiode or the first photon detector 141 are for receiving the first light signal after the first filter 143 extracts.
In like manner, above-mentioned second visible light signal receiving element 220 also can comprise further: the second filter 224, for extracting the second light signal that the second light-emitting diode 213 is launched; Correspondingly, the second photodiode or the second photon detector 221 are for receiving the second light signal after the second filter 224 extracts.
What to comprise the situation of first module group and second unit group be example simultaneously in above-described embodiment.In other embodiments, for the application only having one-way data transfer demand, also only can comprise first module group or only comprise second unit group.
Said system can be applicable in CT machine system, and also can be applicable to other has in the system of similar demand.
Situation when being applied in CT machine system for above-mentioned data communication system below, now can have the following two kinds situation:
The first situation: above-mentioned data communication system can comprise first module group and second unit group simultaneously, now, the first equipment can be the control of CT machine system and image processing system 20, second equipment can be CT frame 10; Correspondingly, the first data are the control data that control and image processing system 20 send to CT frame 10, and the second data are control data or the view data that CT frame 10 sends to control and image processing system 20.Certainly, according to application demand, first module group or second unit group also can be only included.
The second situation: above-mentioned data communication system only comprises second unit group, now, the first equipment is the control of CT machine system and image processing system 20, second equipment is CT frame 10; Correspondingly, the second data are the view data that CT frame 10 sends to control and image processing system 20.
The third situation: above-mentioned data communication system comprises first module group and second unit group simultaneously, equally, the first equipment can be the control of CT machine system and image processing system 20, second equipment can be CT frame 10.First data are the control data that control and image processing system 20 send to CT frame 10, and the second data are control data and the view data that CT frame 10 sends to control and image processing system 20.Wherein, in some cases, because the difference of control data and view data transmits demand, the two can adopt different second unit groups to transmit.Such as, above-mentioned second unit group can be used for transmitting the control data that CT frame 10 sends to control and image processing system 20, further, this data communication system can comprise a unit group as shown in Figure 7 further, for the purpose of difference, this unit group can be described as the 5th unit group, controls and image processing system 20 for the image data transmission of CT frame 10 being given.Correspondingly, the 5th unit group can comprise: the 5th visible light signal transmitter unit 310, the 5th visible light signal receiving element 320, the 5th power line unit 330 and the second power line signal receiving element 340.
Wherein, the 5th visible light signal transmitter unit 310 is gone out with the 5th optical signal launch of visible ray form for send to the view data of the first equipment to carry out the process such as modulation to the second equipment after.
5th visible light signal receiving element 320 for receiving the 5th light signal, and converts the 5th light signal to the 5th power line communication data, and is coupled in the 5th power line unit 330 by the 5th power line communication data and transmits.
The 5th power line communication data that second power line signal receiving element 340 transmits for receiving the 5th power line unit 330, and the 5th power line communication data is converted to view data is supplied to the first equipment.
In the present embodiment, above-mentioned 5th visible light signal transmitter unit 310 has multiple way of realization, and a kind of way of realization has wherein been shown in Fig. 8.As shown in Figure 8, the 5th visible light signal transmitter unit 310 can comprise: the 5th visible ray modulation module 311, the 5th load-on module 312 and the 5th light-emitting diode 313.
Wherein, the 5th visible ray modulation module 311, for sending to the view data of the first equipment to modulate to the second equipment, obtains the 5th modulating data.
5th load-on module 312 is for being loaded into one the 5th visible ray driving power by the 5th modulating data.
5th light-emitting diode 313, under the driving of the 5th visible ray driving power being loaded with the 5th modulating data, launches the 5th light signal.
Above-mentioned 5th visible light signal receiving element 320 also has multiple way of realization, and a kind of way of realization has wherein been shown in Fig. 9.As shown in Figure 9, the 5th visible light signal receiving element 320 can comprise: the 5th photodiode or the 5th photon detector 321, the 5th visible ray demodulation module 322 and the second power line modulating unit 323.
Wherein, the 5th photodiode or the 5th photon detector 321 are for receiving the 5th light signal of the 5th light-emitting diode transmitting.
5th visible ray demodulation module 322, for carrying out demodulation to the 5th light signal, obtains the 5th demodulating data.
Second power line modulating unit 323, for modulating the 5th demodulating data, obtains the 5th power line communication data.
Equally, in the 5th visible light signal receiving element 320, also can comprise the 5th filter 324 further, for extracting the 5th light signal that the 5th light-emitting diode 313 is launched; Correspondingly, the 5th photodiode or the 5th photon detector 321 are for receiving the 5th light signal after the 5th filter 324 extracts.
In the present embodiment, no matter for above-mentioned any situation, this data communication system can comprise the 3rd unit group and the 4th unit group as shown in Figure 10 further, for transmitting data between CT frame 10 and examination couch 30.Certainly, according to application demand, the 3rd unit group or the 4th unit group also can be only included further.
Wherein, the 3rd unit group can comprise: the 3rd visible light signal transmitter unit 410 and the 3rd visible light signal receiving element 420; 4th unit group can comprise: the 4th visible light signal transmitter unit 510 and the 4th visible light signal receiving element 520.
Wherein, the 3rd visible light signal transmitter unit 410 is gone out with the 3rd optical signal launch of visible ray form for CT frame being sent to the control data of examination couch.
3rd visible light signal receiving element 420 is for receiving the 3rd light signal, and the control data the 3rd light signal being converted to correspondence sends to examination couch.
4th visible light signal transmitter unit 510 is gone out with the 4th optical signal launch of visible ray form for examination couch being sent to the control data of CT frame.
4th visible light signal receiving element 520 is for receiving the 4th light signal, and the control data the 4th light signal being converted to correspondence sends to CT frame.
In the present embodiment, above-mentioned 3rd visible light signal transmitter unit 410 can have multiple way of realization, and a kind of way of realization has wherein been shown in Figure 11.As shown in figure 11, the 3rd visible light signal transmitter unit 410 can comprise: the 3rd visible ray modulation module 411, the 3rd load-on module 412 and the 3rd light-emitting diode 413.
Wherein, the 3rd visible ray modulation module 411, for sending to the control data of examination couch to modulate to CT frame, obtains the 3rd modulating data.
3rd load-on module 412 is for being loaded into one the 3rd visible ray driving power by the 3rd modulating data.
3rd light-emitting diode 413, under the driving of the 3rd visible ray driving power being loaded with the 3rd modulating data, launches the 3rd light signal.
Above-mentioned 3rd visible light signal receiving element 420 also can have multiple way of realization, and a kind of way of realization has wherein been shown in Figure 12.As shown in figure 12, the 3rd visible light signal receiving element 420 can comprise: the 3rd photodiode or three-photon detector 421 and the 3rd visible ray demodulation module 422.
Wherein, the 3rd photodiode or three-photon detector 421 are for receiving the 3rd light signal of the 3rd light-emitting diode 413 transmitting.
3rd visible ray demodulation module 422, for carrying out demodulation to the 3rd light signal, obtains corresponding control data and sends to examination couch 30.
Above-mentioned 4th visible light signal launches Unit 510 can multiple way of realization, and a kind of way of realization has wherein been shown in Figure 13.As shown in figure 13, the 4th visible light signal transmitter unit 510 can comprise: the 4th visible ray modulation module 511, the 4th load-on module 512 and the 4th light-emitting diode 513.
4th visible ray modulation module 511 is modulated for sending to the control data of CT frame to examination couch, obtains the 4th modulating data.
4th load-on module 512 is for being loaded into one the 4th visible ray driving power by the 4th modulating data.
4th light-emitting diode 513, under the driving of the 4th visible ray driving power being loaded with the 4th modulating data, launches the 4th light signal.
Above-mentioned 4th visible light signal receiving element 520 also can have multiple way of realization, and a kind of way of realization has wherein been shown in Figure 14.As shown in figure 14, the 4th visible light signal receiving element 520 can comprise: the 4th photodiode or the 4th photon detector 521 and the 4th visible ray demodulation module 522.
Wherein, the 4th photodiode or the 4th photon detector 521 are for receiving the 4th light signal of the 4th light-emitting diode transmitting.
4th visible ray demodulation module 522, for carrying out demodulation to the 4th light signal, obtains corresponding control data and sends to CT frame 10.
Equally, in above-mentioned 3rd visible light signal receiving element 420, also can comprise the 3rd filter 423 further, for extracting the 3rd light signal that the 3rd light-emitting diode 413 is launched; Correspondingly, the 3rd photodiode or three-photon detector 421 are for receiving the 3rd light signal after the 3rd filter 423 extracts.
Also the 4th filter 523 can be comprised further, for extracting the 4th light signal that the 4th light-emitting diode 513 is launched in above-mentioned 4th visible light signal receiving element 520; Correspondingly, the 4th photodiode or the 4th photon detector 521 are for receiving the 4th light signal after the 4th filter 523 extracts.
Figure 15 is the exemplary block diagram of the data transmission system in the CT machine system in the present invention's example.As shown in figure 15, this CT machine system comprises: power line signal transmitting element 110, first power line unit 120, first visible light signal transmitter unit, the first visible light signal receiving element, the second visible light signal transmitter unit, the second visible light signal receiving element, the second power line unit 230 and the first power line signal receiving element 240.
Wherein, the first visible light signal transmitter unit comprises: the first power line demodulation module 131, first visible ray modulation module 132, first load-on module 133 and the first light-emitting diode 134.First visible light signal receiving element comprises: the first photodiode or the first photon detector 141 and the first visible ray demodulation module 142.Second visible light signal transmitter unit comprises: the second visible ray modulation module 211, second load-on module 212 and the second light-emitting diode 213.Second visible light signal receiving element comprises: the second photodiode or the second photon detector 221, second visible ray demodulation module 222 and the first power line modulating unit 223.
Certainly, the data communication system in the CT machine system in this example also can comprise further: the 5th unit group, the 3rd unit group and the 4th unit group.Due to drawing limited space, just do not show one by one.
Figure 16 and Figure 17 is the exemplary process diagram of data communications method in the embodiment of the present invention.Wherein, Figure 16 is the exemplary process diagram of the first communication process, and Figure 17 is the schematic flow sheet of second communication flow process.
As shown in figure 16, the first communication process comprises the steps.
Step 1601, sends to the first data of the second equipment to be converted to the first power line communication data by the first equipment.
In this step, by carrying out the respective handling such as modulating to the first data, be converted into the first power line communication data.
Step 1602, is gone out the first power line communication data by power line channel transfer.
In this step, the first power line communication data can be coupled on power line and transfer out.
Step 1603, receives the first power line communication data from power line passage, and the first optical signal launch with visible ray form after carrying out demodulation modulation to the first power line communication data is gone out.
In this step, first power line communication demodulation can be carried out to the first power line communication data, obtain the first demodulating data, afterwards visible light communication modulation is carried out to the first demodulating data, obtain the first modulating data, afterwards the first modulating data is loaded on visible ray driving power, makes the light-emitting diode driven by this visible ray driving power launch the first light signal.
Step 1604, receives the first light signal, and converts the first light signal to first data and be supplied to the second equipment.
In this step, a photodiode or a photon detector can be utilized to receive the first light signal of light-emitting diode transmitting, and visible light communication demodulation is carried out to the first light signal, obtain the second data.In practical application, utilizing before photodiode or photon detector receive the first light signal, a filter can be first utilized to extract the first light signal.
As shown in figure 17, second communication flow process comprises the steps.
Step 1701, with second optical signal launch of visible ray form goes out after sending to the second data of the first equipment to modulate to the second equipment.
In this step, the second data of the first equipment can be sent to carry out visible light communication modulation to the second equipment, obtain the second modulating data, then the second modulating data is loaded on a visible ray driving power, launches the second light signal by the light-emitting diode driven by visible ray driving power.
Step 1702, receives the second light signal, and converts the second light signal to second power line communication data.
In this step, a photodiode or a photon detector can be utilized to receive the second light signal of light-emitting diode transmitting, and visible light communication demodulation is carried out to the second light signal, obtain the second demodulating data, again power line communication modulation is carried out to the second demodulating data afterwards, obtain the second power line communication data.Equally, utilizing before photodiode or photon detector receive the second light signal, a filter can be first utilized to extract the second light signal.
Step 1703, is gone out the second power line communication data by power line channel transfer.
In this step, the second power line communication data can be coupled on power line and transfer out.
Step 1704, receives the second power line communication data from power line passage, and the second power line communication data is converted to the second data is supplied to the first equipment.
In this step, be converted to the second data by carrying out power line communication demodulation to the second power line communication data.
Said method can be applicable in CT machine system, and also can be applicable to other has in the system of similar demand.
Situation when being applied in CT machine system for above-mentioned data communications method below, now can have the following two kinds situation:
The first situation: simultaneously apply the first communication process and second communication flow process.Now, the first equipment can be the control of CT machine system and image processing system 20, second equipment can be CT frame 10; Correspondingly, the first data are the control data that control and image processing system 20 send to CT frame 10, and the second data are control data or the view data that CT frame 10 sends to control and image processing system 20.Certainly, according to application demand, the first communication process or second communication flow process also can be only included.
The second situation: only apply second communication flow process, now, the first equipment is the control of CT machine system and image processing system 20, second equipment is CT frame 10; Correspondingly, the second data are the view data that CT frame 10 sends to control and image processing system 20.
The third situation: simultaneously apply the first communication process and second communication flow process.Equally, the first equipment can be the control of CT machine system and image processing system 20, second equipment can be CT frame 10; Correspondingly, the first data are the control data that control and image processing system 20 send to CT frame 10, and the second data are control data and the view data that CT frame 10 sends to control and image processing system 20.Wherein, in some cases, because the difference of control data and view data transmits demand, the two can adopt different flow processs to transmit.Such as, above-mentioned second communication flow process can be used for transmitting the control data that CT frame 10 sends to control and image processing system 20, and further, this data communications method can comprise the 5th communication process as shown in figure 18 further.
As shown in figure 18, the 5th communication process can comprise the steps.
Step 1801, sends to the view data of the first equipment to go out with the 5th optical signal launch of visible ray form by the second equipment.
In this step, the view data of the first equipment can be sent to carry out visible light communication modulation to the second equipment, obtain the 5th modulating data, afterwards the 5th modulating data is loaded on a visible ray driving power, launch the 5th light signal by the light-emitting diode driven by visible ray driving power.
Step 1802, receives the 5th light signal, and converts the 5th light signal to the 5th power line communication data.
In this step, a photodiode or a photon detector can be utilized to receive the 5th light signal of light-emitting diode transmitting, and visible light communication demodulation is carried out to the 5th light signal, obtain the 5th demodulating data, again power line communication modulation is carried out to the 5th demodulating data afterwards, obtain the 5th power line communication data.Equally, before utilizing photodiode or photon detector reception the 5th light signal, a filter can be first utilized to extract the 5th light signal.
Step 1803, is gone out the 5th power line communication data by power line channel transfer.
In this step, the 5th power line communication data can be coupled on power line and transfer out.
Step 1804, receives the 5th power line communication data from power line passage, and the 5th power line communication data is converted to view data is supplied to the first equipment.
In this step, by carrying out power line communication demodulation to the 5th power line communication data, obtain view data.
In the present embodiment, no matter for above-mentioned any situation, this data communications method can comprise third communication flow process and the 4th communication process as illustrated in figures 19 and 20 further, for transmitting data between CT frame 10 and examination couch 30.Certainly, according to application demand, third communication flow process or the 4th communication process also can be only included further.
As shown in figure 19, third communication flow process can comprise the steps.
Step 1901, sends to the control data of an examination couch to go out with the 3rd optical signal launch of visible ray form by CT frame.
In this step, the control data of examination couch can be sent to carry out visible light communication modulation to CT frame, obtain the 3rd modulating data, afterwards the 3rd modulating data is loaded on a visible ray driving power, launch the 3rd light signal by the light-emitting diode driven by visible ray driving power.
Step 1902, receives the 3rd light signal, and the control data the 3rd light signal being converted to correspondence sends to examination couch.
In this step, a photodiode or a photon detector can be utilized to receive the 3rd light signal of light-emitting diode transmitting, and visible light communication demodulation is carried out to the 3rd light signal, obtain corresponding control data.Equally, before utilizing photodiode or photon detector reception the 3rd light signal, a filter can be first utilized to extract the 3rd light signal.
As shown in figure 20, the 4th communication process can comprise the steps.
Step 2001, sends to the control data of CT frame to go out with the 4th optical signal launch of visible ray form by examination couch.
In this step, the control data of CT frame can be sent to carry out visible light communication modulation to examination couch, obtain the 4th modulating data, afterwards the 4th modulating data is loaded on a visible ray driving power, launch the 4th light signal by the light-emitting diode driven by visible ray driving power.
Step 2002, receives the 4th light signal, and the control data the 4th light signal being converted to correspondence sends to CT frame.
In this step, a photodiode or a photon detector can be utilized to receive the 4th light signal of light-emitting diode transmitting, and visible light communication demodulation is carried out to the 4th light signal, obtain corresponding control data.Equally, before utilizing photodiode or photon detector reception the 4th light signal, a filter can be first utilized to extract the 4th light signal.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a data communication system, comprising: at least one the unit group in first module group and second unit group;
Described first module group comprises:
Power line signal transmitting element, for being sent to by the first equipment the first data of the second equipment to be converted to the first power line communication data, is transferred out described first power line communication data by the first power line unit;
First visible light signal transmitter unit, for receiving the first power line communication data of described first power line unit transmission, and goes out with the first optical signal launch of visible ray form after processing described first power line communication data; With
First visible light signal receiving element, for receiving described first light signal, and converts described first light signal to first data and is supplied to the second equipment;
Described second unit group comprises:
Second visible light signal transmitter unit, goes out with the second optical signal launch of visible ray form for the second equipment being sent to the second data of the first equipment;
Second visible light signal receiving element, for receiving described second light signal, and being converted described second light signal to second power line communication data, being transferred out by described second power line communication data by the second power line unit; With
First power line signal receiving element, for receiving the second power line communication data of described second power line unit transmission, and is converted to the second data by described second power line communication data and is supplied to the first equipment.
2. system according to claim 1, is characterized in that,
Described first visible light signal transmitter unit comprises:
First power line demodulation module, for carrying out demodulation to described first power line communication data, obtains the first demodulating data;
First visible ray modulation module, for modulating described first demodulating data, obtains the first modulating data;
First load-on module, for being loaded into one first visible ray driving power by described first modulating data; With
First light-emitting diode, under the driving of described the first visible ray driving power being loaded with the first modulating data, launches the first light signal;
Described first visible light signal receiving element comprises:
First photodiode or the first photon detector, for receiving the first light signal that described first light-emitting diode is launched; With
First visible ray demodulation module, for carrying out demodulation to described first light signal, obtains the second data, and described second data are supplied to the second equipment;
Described second visible light signal transmitter unit comprises:
Second visible ray modulation module, for sending to the second data of the first equipment to modulate to the second equipment, obtains the second modulating data;
Second load-on module, for being loaded into one second visible ray driving power by described second modulating data; With
Second light-emitting diode, under the driving of described the second visible ray driving power being loaded with the second modulating data, launches the second light signal;
Described second visible light signal receiving element comprises:
Second photodiode or the second photon detector, for receiving the second light signal that described second light-emitting diode is launched;
Second visible ray demodulation module, for carrying out demodulation to described second light signal, obtains the second demodulating data;
With
First power line modulating unit, for modulating described second demodulating data, obtains the second power line communication data.
3. system according to claim 2, is characterized in that,
Described first visible light signal receiving element comprises further: the first filter, for extracting the first light signal that described first light-emitting diode is launched; Described first photodiode or the first photon detector are for receiving the first light signal after described first filter extracts;
Described second visible light signal receiving element comprises further: the second filter, for extracting the second light signal that described second light-emitting diode is launched; Described second photodiode or the second photon detector are for receiving the second light signal after described second filter extracts.
4. system according to any one of claim 1 to 3, is characterized in that, described first equipment is the control of CT machine system and image processing system, described second equipment is CT frame.
5. system according to claim 4, is characterized in that, this system comprises further: at least one the unit group in the 3rd unit group and the 4th unit group;
Described 3rd unit group comprises:
3rd visible light signal transmitter unit, goes out with the 3rd optical signal launch of visible ray form for CT frame being sent to the control data of examination couch; With
3rd visible light signal receiving element, for receiving described 3rd light signal, and the control data described 3rd light signal being converted to correspondence sends to described examination couch;
Described 4th unit group comprises:
4th visible light signal transmitter unit, goes out with the 4th optical signal launch of visible ray form for examination couch being sent to the control data of CT frame; With
4th visible light signal receiving element, for receiving described 4th light signal, and the control data described 4th light signal being converted to correspondence sends to described CT frame.
6. system according to claim 5, is characterized in that,
Described 3rd visible light signal transmitter unit comprises:
3rd visible ray modulation module, for sending to the control data of examination couch to modulate to CT frame, obtains the 3rd modulating data;
3rd load-on module, for being loaded into one the 3rd visible ray driving power by described 3rd modulating data; With
3rd light-emitting diode, under the driving of described the 3rd visible ray driving power being loaded with the 3rd modulating data, launches the 3rd light signal;
Described 3rd visible light signal receiving element comprises:
3rd photodiode or three-photon detector, for receiving the 3rd light signal that described 3rd light-emitting diode is launched; With
3rd visible ray demodulation module, for carrying out demodulation to described 3rd light signal, obtaining corresponding control data and sending to described examination couch;
Described 4th visible light signal transmitter unit comprises:
4th visible ray modulation module, for sending to the control data of CT frame to modulate to examination couch, obtains the 4th modulating data;
4th load-on module, for being loaded into one the 4th visible ray driving power by described 4th modulating data; With
4th light-emitting diode, under the driving of described the 4th visible ray driving power being loaded with the 4th modulating data, launches the 4th light signal;
Described 4th visible light signal receiving element comprises:
4th photodiode or the 4th photon detector, for receiving the 4th light signal that described 4th light-emitting diode is launched;
4th visible ray demodulation module, for carrying out demodulation to described 4th light signal, obtaining corresponding control data and sending to described CT frame.
7. a data communications method, comprising: at least one flow process in the first communication process and second communication flow process;
Described first communication process comprises:
The first data of the second equipment are sent to by first equipment to be converted to the first power line communication data;
Described first power line communication data is gone out by power line channel transfer;
Receive the first power line communication data from described power line passage, go out with the first optical signal launch of visible ray form after demodulation modulation is carried out to described first power line communication data;
Receive described first light signal, and convert described first light signal to first data and be supplied to the second equipment;
Described second communication flow process comprises:
Go out with the second optical signal launch of visible ray form after sending to the second data of the first equipment to modulate to the second equipment;
Receive described second light signal, and convert described second light signal to second power line communication data;
Described second power line communication data is gone out by power line channel transfer;
Receive from the second power line communication data of described power line passage, and described second power line communication data is converted to the second data is supplied to the first equipment.
8. method according to claim 7, is characterized in that, described first equipment is the control of CT machine system and image processing system, described second equipment is CT frame.
9. method according to claim 8, is characterized in that, the method comprises further: at least one flow process in third communication flow process and the 4th communication process;
Described third communication flow process comprises:
The control data of an examination couch CT frame is sent to go out with the 3rd optical signal launch of visible ray form;
Receive described 3rd light signal, and the control data described 3rd light signal being converted to correspondence sends to described examination couch;
Described 4th communication process comprises:
The control data of CT frame is sent to by examination couch to go out with the 4th optical signal launch of visible ray form;
Receive described 4th light signal, and the control data described 4th light signal being converted to correspondence sends to described CT frame.
10. a CT machine system, is characterized in that, comprises the data communication system according to any one of claim 1 to 6.
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Application publication date: 20150819 |