CN104865905B - Communication control unit, communicating control method and Medical Devices - Google Patents
Communication control unit, communicating control method and Medical Devices Download PDFInfo
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- CN104865905B CN104865905B CN201410060362.XA CN201410060362A CN104865905B CN 104865905 B CN104865905 B CN 104865905B CN 201410060362 A CN201410060362 A CN 201410060362A CN 104865905 B CN104865905 B CN 104865905B
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- safety
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2652—Medical scanner
Abstract
The invention discloses the communication control unit in a kind of Medical Devices, communicating control method and Medical Devices, Medical Devices include a console and a moving component, console includes a safety switch, moving component includes a safety logic circuit, is connected between safety switch and safety logic circuit by safety signal hardware transport loop.The present invention is using increase safety signal mode, the motion control of the Motor execution part in moving component is participated in using safety signal, the Motor execution security of moving component is substantially increased, ensure that the communication reliability between console and moving component in Medical Devices.
Description
Technical field
The present invention relates to field of medical device, communication control unit, Communication Control in more particularly to a kind of Medical Devices
Method and Medical Devices.
Background technology
Medical Devices such as x ray machines usually include a console and a moving component, by console to moving component
Motion control is carried out, realizes the functions such as medical treatment detection.Because the distance between the console in Medical Devices and moving component compare
It is longer, and moving component may have multiple, may be controlled by same console or different consoles, so in Medical Devices
Console and moving component between which kind of communication control used, to ensure the motion control between console and moving component
The transmitting of signal processed, it is vital.Traditional communication control is using the console and fortune in Medical Devices
Direct electric connection mode between dynamic component, motion control signal is transferred to moving component one by one by console, but due to
The push-button unit number that console is used to send motion control signal is very more, establishes one by one between push-button unit and moving component
Direct electrical connection, cause electric lead enormous amount, not only cost is very high, can not meet the cost requirement increasingly declined, and
And line is complicated, easy error and failure, this traditional communication control is already close to superseded.
At present, the communication control between the console and moving component in conventional Medical Devices is communication bus control
Mode processed, a set communication bus is used to transmit all motion control signals between console and moving component.
Because communication bus has wiring simple, cost is cheap, communicates reliable advantage in most cases, in x ray machines etc.
In Medical Devices, the usual way as Communication Control between console and moving component.
Fig. 1 is the communication bus control mode knot between console and moving component in the Medical Devices that background technology provides
Structure schematic diagram, as illustrated, Medical Devices include a console 10 and a moving component 11, wherein,
Console 10 can be including multiple, and each console 10 includes：One function switchs 100, first microcontrollers
Unit (MCU) 101 and a first Communication Control part 102, can be between the first Communication Control part 102 of each console
It is electrically connected to each other, console 10 is specifically used for after sending motion control information by functional switch 100, is gathered by the first MCU101
Arrive, and motion control signal is generated according to motion control information, sent out by the first Communication Control part 102 via communication bus 12
Give moving component 11；Functional switch 100 can be common switch or action bars etc., and the first Communication Control part 102 can be with
For controller area network network (CAN), RS23 serial ports, RS485 serial ports or Ethernet (Ethernet) etc.；
Moving component 11 includes a second Communication Control part 111, the 2nd MCU112, an input and output (I/
O) interface 113 and a Motor execution part 114, specifically for being connect by the second Communication Control part 111 by communication bus 12
After receiving motion control signal, parse to obtain motion control information by the 2nd MCU112, connect according to motion control information by I/O
Mouth 113 sends enable signal to Motor execution part 114, and powered motion execution unit 114 carries out Motor execution；Corresponding first is logical
Control unit 102 is interrogated, the second Communication Control part 111 can also be CAN, RS23 serial ports, RS485 serial ports or Ethernet etc.
Deng.
In Fig. 1, Motor execution part 114 can be specially DC driver 1141, frequency converter 1142 or direct current/brushless
Driver 1143 etc., specifically,
DC driver 1141 includes 11411, direct current generators 11412 of a DC driven plate and one first braking
Device 11413, the motion control information for parsing to obtain as the 2nd MCU112 are to control direct current by DC driven plate 11411
When machine 11412 moves, then the 2nd MCU112 is sent through I/O interfaces 113 by DC driven plate 11411 to direct current generator 11412
Enable signal, and motion control instruction is sent via other interfaces in I/O interfaces 113, controlled by DC driven plate 11411
The traffic direction and speed of direct current generator 11412, the first brake 11413 is controlled to open by DC driven plate 11411, then directly
The stream can of motor 11412 is run；
Frequency converter 1142 includes 11421, exchange/servomotors 11422 of a frequency converter/servo-driver and one
Second brake 11423, the motion control information for parsing to obtain as the 2nd MCU112 are by frequency converter/servo-driver
When 11421 control exchange/servomotors 11422 move, then the 2nd MCU112 is driven through I/O interfaces 113 by frequency converter/servo
Dynamic device 11421 sends enable signal to exchange/servomotor 11422, and sends fortune via other interfaces in I/O interfaces 113
Dynamic control instruction, the traffic direction and speed of exchange/servomotor 11422 are controlled by frequency converter/servo-driver 11421,
Second brake 11423 is controlled to open by exchange/servomotor 11422, then the can of exchange/servomotor 11422 is run
；
Direct current/brushless driver 1143 includes 11431, direct current/brushless electric machines of a direct current/brushless driver
11432 and the 3rd brake 11433, the motion control information for parsing to obtain as two MCU112 is by direct current/nothing
When brush driver 11431 controls direct current/brushless electric machine 11432 to move, then the 2nd MCU112 is through I/O interfaces 113, by direct current/
Brushless driver 11431 sends enable signal to direct current/brushless electric machine 11432, and via other interfaces in I/O interfaces 113
Motion control instruction is sent, the traffic direction and speed of direct current/brushless electric machine 11432 are controlled by direct current/brushless driver 11431
Degree, the 3rd brake 11433 is controlled to open by direct current/brushless driver 11431, then the can of direct current/brushless electric machine 11432
Run.
But in practical situations both, due to some communication failure reasons, it is possible to occur in Medical Devices console and
The insecure problem of Communication Control between moving component, these possible communication failure reasons are：1) controlled in Medical Devices
Communication bus between platform and moving component is interfered, and causes transmitted motion control signal mistake；2) used in console
In collection motion control information and the first MCU of the first Communication Control part is controlled to break down；3) it is used for root in moving component
Motion control information is parsed according to motion control signal, and the 2nd MCU of the second Communication Control part of control breaks down；4) control
Other software in platform or moving component goes wrong.
Because the motion control of the moving component in Medical Devices is to be determined by the motion control signal of communication bus transmission
It is fixed, when there is the insecure problem of the Communication Control in Medical Devices between console and moving component, it is possible to damage
Medical Devices.
Therefore, how to ensure that the communication reliability in Medical Devices between console and moving component becomes one urgently
Solve the problems, such as.
The content of the invention
In view of this, the present invention proposes the communication control unit in a kind of Medical Devices, and the device can ensure medical treatment
Communication reliability in equipment between console and moving component.
The invention also provides the communicating control method in a kind of Medical Devices, this method can ensure to control in Medical Devices
Communication reliability between platform and moving component processed.
The invention also provides a kind of Medical Devices, the Medical Devices can ensure between its console and its moving component
Communication reliability.
One side according to embodiments of the present invention, there is provided the communication control unit in a kind of Medical Devices, medical treatment are set
Standby to include a console and a moving component, console includes a safety switch, and moving component includes a safety
Logic circuit, connected between safety switch and safety logic circuit by safety signal hardware transport loop, wherein,
The console, for motion control signal to be sent into moving component；And collected by safety switch
Safety signal, and moving component is sent to by safety signal hardware transport loop；
The moving component, safety signal is received for receiving motion control signal, and by safety logic circuit, by
Safety logic circuit carries out Motor execution according to motion control signal and safety signal.
It is preferred that the moving component also includes a hardware delay circuit, safety signal hardware transport loop is connected on
Above and between safety logic circuit and safety switch, for security logic electricity will to be then forwarded to after safety signal delay
Road.
It is preferred that the console also includes an isolation circuit, it is connected on safety signal hardware transport loop and position
Between safety switch and safety logic circuit, for being retransmited after carrying out circuit isolation to safety signal.
It is preferred that the safety switch is connected with the first micro-control unit in console, wherein first microcontroller
Unit is used to detect safety switch state.
It is preferred that the safety switch is：One of switch of thin film switch with double-deck button (is preferably that head layer is opened
Close), the napex button in the action bars with napex button or capacitor sensing action bars capacitance sensor.
It is preferred that the safety signal hardware transport loop and the communication bus setting between console and moving component
For the different cores in same root shielded cable；
Or the safety signal hardware transport loop with, the direct electric connection line between console and moving component is set
The different cores being set in same root shielded cable.
Another aspect according to embodiments of the present invention, there is provided the communicating control method in a kind of Medical Devices, this method
Including：
Motion control signal is sent to a moving component by one console of Medical Devices, and is adopted by a safety switch
Collection obtains safety signal and is sent to moving component；
The moving component of Medical Devices carries out Motor execution according to the motion control signal and safety signal of reception.
It is preferred that the Medical Devices before safety signal is sent, carry out delay process.
It is preferred that before the transmission safety signal, this method also includes：Circuit isolation is carried out to safety signal.
Another aspect according to embodiments of the present invention, there is provided a kind of Medical Devices, be provided with the Medical Devices above-mentioned
Any communication control unit.
As can be seen that console of the present invention in Medical Devices sets safety switch, in motion portion from such scheme
Part sets safety logic circuit, and the safety switch receives safety signal, passes through the safety signal between console and moving component
Hardware transport loop is sent to the safety logic circuit of moving component setting, according to safety signal and is connect by the safety logic circuit
The motion control signal of receipts, the Motor execution part into control moving component send enable signal, controlled in moving component
Motor execution part carries out Motor execution.The present invention participates in moving component using increase safety signal mode using safety signal
In Motor execution part motion control, substantially increase the Motor execution security of moving component, ensure that medical treatment is set
Standby communication reliability between middle console and moving component.
Brief description of the drawings
The preferred embodiments of the present invention will be described in detail by referring to accompanying drawing below, and make one of ordinary skill in the art more
The above and other feature and advantage of the clear present invention, in accompanying drawing：
Fig. 1 is the communication bus control mode knot between console and moving component in the Medical Devices that background technology provides
Structure schematic diagram；
Fig. 2 is the communication control unit general construction schematic diagram in Medical Devices provided in an embodiment of the present invention；
Fig. 3 is the safety signal theory diagram of the communication control unit in Medical Devices provided in an embodiment of the present invention；
Fig. 4 is safety switch construction schematic diagram provided in an embodiment of the present invention；
Fig. 5 is safety signal, the 2nd MCU enable signal, the motor of safety switch provided in an embodiment of the present invention output
The timing diagram of movement velocity and the safety signal of hardware time delayed signal output；
Fig. 6 is the communication control unit exemplary construction schematic diagram in Medical Devices provided in an embodiment of the present invention；
Fig. 7 is the communicating control method flow chart in Medical Devices provided in an embodiment of the present invention；
Wherein, the reference that Fig. 1 is related to includes：10- consoles, 11- moving components, 12- communication buses, 100- functions
Switch, the Communication Control part of 101- the first MCU, 102- first, 111- the second Communication Control parts, 112- the 2nd MCU, 113-I/
O Interface, 114- Motor execution parts, 1141- DC drivers, 1142- frequency converters, 1143- direct currents/brushless driver,
11411- DC driven plates, 11412- direct current generators, the brakes of 11413- first, 11421- frequency converters/servo-driver,
11422- exchanges/servomotor, 11423- second brakes, 11431- direct currents/brushless driver, 11432- direct currents/brushless electricity
Machine, the brakes of 11433- the 3rd；
The reference that Fig. 2 is related to includes：21- safety switches, safety logic circuit -22, safety signal hardware transport return
Road 23,25- isolation circuits and 24- hardware delay circuits；
The reference that Fig. 4 is related to includes：411- first layers contact and 412- second layers contact.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, illustrate below to the present invention further specifically
It is bright.Herein, "one" not only represents " only this ", can also represent the situation of " more than one ".Herein, " the
One ", " second " etc. is only used for mutual differentiation, rather than represents their significance level and order etc..
In order to ensure the communication reliability in Medical Devices between console and moving component, it is necessary to avoid background technology
In when there is communication failure reason, prevent moving component in time according to the motion control signal received, progress moving component
In Motor execution part motion control.Therefore, console of the embodiment of the present invention in Medical Devices sets safety switch,
Safety logic circuit is set in moving component, the safety switch receives safety signal, by between console and moving component
Safety signal hardware transport loop is sent to the safety logic circuit of moving component setting, by the safety logic circuit according to safety
Signal and the motion control signal of reception, the Motor execution part into control moving component send enable signal, control motion
Motor execution part in part carries out Motor execution.
Because the present invention is using increase safety signal mode, the Motor execution portion in moving component is participated in using safety signal
The motion control of part, the Motor execution security of moving component is substantially increased, ensure that console and fortune in Medical Devices
Communication reliability between dynamic component.
Fig. 2 is the communication control unit general construction schematic diagram in Medical Devices provided in an embodiment of the present invention, as illustrated,
Medical Devices include a console 10 and a moving component 11, wherein, console 10 includes a safety switch 21, fortune
Dynamic component 11 includes a safety logic circuit 22, the safety switch 21 of console 10 and the safety logic circuit of moving component 11
Connected between 22 by safety signal hardware transport loop 23.
Console 10, for generating motion control signal according to the motion control information collected, it is sent to motion portion
Part 11；Safety signal is collected by safety switch 21, moving component is sent to by safety signal hardware transport loop 23
11。
Moving component 11, for receiving motion control signal, via safety signal hardware transport loop 23, by patrolling safely
Collect circuit 22 and receive safety signal, Motor execution control is carried out according to motion control signal and safety signal by safety logic circuit 22
System.
In the apparatus, a hardware delay circuit 24 is also included in moving component 11, is connected on safety signal hardware biography
On defeated loop 23 and between safety logic circuit 22 and safety switch 21, for being sent out again after the safety signal delay by reception
Give safety logic circuit 22.
In the apparatus, an isolation circuit 25 is also included in console 10, is connected on safety signal hardware transport loop
On 23 and between safety switch 21 and safety logic circuit 22, electricity is carried out for the safety signal to be sent to console 10
Retransmited after the isolation of road.
Fig. 3 is the safety signal theory diagram of the communication control unit in Medical Devices provided in an embodiment of the present invention, should
Block diagram is the internal structure of console 10, including：One safety switch 21, One function switch 100, the first MCU101,
One the first Communication Control part 102 and an isolation circuit 25.
Functional switch 100 receives motion control information, is sent to the first MCU101, the first MCU101 believes according to motion control
After breath generation motion control signal, by the first Communication Control part 102, moving component 11 is sent to via communication bus 12；
It is hard via safety signal after the safety signal is isolated by the circuit of isolation circuit 25 after safety switch 21 receives safety signal
Part transmission loop 23 is transferred to moving component 11.
In the structure shown here, safety switch 21 is also connected with the first MCU101, and the first MCU101 detects the shape of safety switch 21
State, it is determined whether be damaged and damage failure code, if it happens, then prompt the user with corresponding failure code.
In embodiments of the present invention, safety switch is added in console to be used to produce independent safety signal, specifically,
Fig. 4 is safety switch construction schematic diagram provided in an embodiment of the present invention, its head layer switched for the film key with double-deck button
Switch, as illustrated, the safety switch is the safety switch of sign 21 in figure, including a first layer contact 411 and one the
Two layers of contact 412, for reliably sending safety signal.
In embodiments of the present invention, the increased safety switch of console can be：Thin film switch with double-deck button its
In a switch, preferably head layer therein switch；Napex button in action bars with napex button；Or, capacitor sensing
The capacitance sensor of action bars etc..
In embodiments of the present invention, safety signal hardware transport loop 23 can be arranged on same root shielding with communication bus
In cable, corresponding two different cores, to save cost.
In the embodiment of the present invention, when transmitting motion control signal, using communication bus mode or directly electrically connect
Mode, if direct electric connection mode, then safety signal hardware transport loop 23 can be arranged to direct electric connection line
Different cores in same root shielded cable, to save cost.
In the present embodiment, hardware delay circuit 24 is added in moving component, for entering line delay to safety signal
Processing.This is due to that the motion of such as moving component of the Medical Devices of x ray machines has inertia, so the execution each moved
Need to carry out retarded motion according to certain deceleration curve.In this retarded motion time, moving component control Motor execution
The enable signal that part performs is still effective, for example maintains high level, so increasing hardware delay circuit 24 to ensure in safety
It after blackout, still can keep safety signal effective a period of time, ensure deceleration of the Motor execution part according to setting
Curve carries out retarded motion until stopping, so as to ensure the safety of Medical Devices and personnel.During the delay of hardware delay circuit 24
Between according to actual motion control require, the adjustment of delay time can be carried out in the range of setting, this addresses the problem such as
The problem of speed reducing stopping and control for brake of the Motor execution part of motor etc..
Specific example explanation is lifted, after safety switch and functional switch are triggered, respectively by safety signal and motion
Control signal is transferred to moving component, and the safety logic circuit control Motor execution part of moving component carries out Motor execution, when
Functional switch and safety switch unclamp, and the 2nd MCU then requires the deceleration of motion of Motor execution part, while hard in moving component
Part delay circuit is worked, and line delay is entered to safety signal, and safety logic circuit continues transmission enable signal and gives Motor execution part.
When the 2nd MCU control instruction, which inputs, to be stopped, the deceleration of motion time of Motor execution part is T1, by hardware delay circuit
Delay time T2 after, hardware delay circuit stop output safety signal, while safety logic circuit send enable signal stop
Only.Assuming that Motor execution part is motor, then safety signal, the enable signal of safety logic circuit, the electricity of safety switch output
The timing diagram of machine movement velocity and the time-delayed safe signal of hardware time delayed signal output is as shown in figure 5, wherein, what x-axis represented is
Time t, origin are expressed as halted state, and y-axis represents triggering mark.
A specific embodiment explanation present invention is lifted below.
Fig. 6 is the communication control unit exemplary construction schematic diagram in Medical Devices provided in an embodiment of the present invention, Fig. 1's
On the basis of, the embodiment of the present invention adds a safety switch 21 and an isolation circuit 25 in each console 10, is transporting
Dynamic component 11 adds a safety logic circuit 22 and a hardware delay circuit 24, wherein, safety switch 21 be connected to every
From circuit 25, isolation circuit 25 is connected to the hardware delay circuit in moving component 11 by safety signal hardware transport loop 23
24, the safety logic circuit 22 and hardware delay circuit 24 of moving component 11 are connected, the MCU112 of safety logic circuit 24 and the 2nd
Connection.
When operating personnel press functional switch 100 and press safety switch 21 simultaneously, the first MCU101 receives motion
After control information, motion control signal is generated, by the first Communication Control part 102, motion is sent to via communication bus 12
The second Communication Control part 111 in part 11.The second Communication Control part 111 in moving component 11 is by motion control signal
It is sent to the 2nd MCU112.Safety switch 21 produces safety signal, after carrying out circuit isolation by isolation circuit 25, via safety
Signal hardware transmission loop 23 be sent to moving component 11 hardware delay circuit 24 carry out delay process, moving component 11 it is hard
Safety signal after delay process is sent to safety logic circuit 22 by part delay circuit 24.
2nd MCU112 parsing motion control signals obtain motion control information, and export useful signal, such as high level
Onto safety logic circuit 22, safety logic circuit 22 receives the useful signal and hardware delay circuit of the 2nd MCU112 transmissions
Safety signal (namely useful signal, high level) after 24 delay process sent, inputs enable signal, i.e., high level has
Motor execution part 114 of the signal to moving component 11 is imitated, then the Enable Pin of the Motor execution part 114 of moving component 11 is beaten
Open, for example the Enable Pin of DC driver 1141, frequency converter 1142 or direct current/brushless driver 1143 is opened, moving component
11 Motor execution part 114 can perform motion.
Meanwhile motion speed is sent to Motor execution part 114 by I/O interfaces 113 according to background technology, the 2nd MCU112
The motion control instruction such as degree and direction, and control the brake of Motor execution part 114 to open, then Motor execution part 114 is opened
Beginning is run.
In embodiments of the present invention, safety logic circuit 22 can be and gate circuit.
Fig. 7 is the communicating control method flow chart in Medical Devices provided in an embodiment of the present invention, and this method utilizes Fig. 2 institutes
The Medical Devices stated, it is concretely comprised the following steps：
Step 701, the console of Medical Devices generate motion control signal, hair according to the motion control information collected
Give moving component；Safety signal is collected by safety switch, motion is sent to via safety signal hardware transport loop
Part；
Step 702, moving component receive motion control signal；Via safety signal hardware transport loop, by patrolling safely
Collect circuit and receive safety signal；
Step 703, moving component carry out Motor execution according to motion control signal and safety signal.
In the method, before step 702, this method also includes：Safety signal is after oversampling circuit is isolated again via peace
Full signal hardware transport loop is sent to moving component.
In the method, before step 702, before the reception safety signal by safety logic circuit, this method
Also include：Safety signal carries out delay process.
In the method, the safety switch can be：One of switch of thin film switch with double-deck button, such as
Head layer switch；Napex button in action bars with napex button；Or capacitance sensor of action bars of capacitor sensing etc..
In embodiments of the present invention, in addition to Medical Devices, the Medical Devices can set for x ray machines, CT machines, magnetic resonance
Standby, molecular image equipment, ultrasonic device etc., wherein with the apparatus structure described in Fig. 1.
The invention discloses the communication control unit in a kind of Medical Devices, communicating control method and Medical Devices, medical treatment
Equipment includes a console and a moving component, and console includes a safety switch, and moving component includes a peace
Full logic circuit, connected between safety switch and safety logic circuit by safety signal hardware transport loop.The present invention uses
Increase safety signal mode, the motion control of the Motor execution part in moving component is participated in using safety signal, is greatly increased
The Motor execution security of moving component is added, ensure that the communication in Medical Devices between console and moving component is reliable
Property.
Detailed displaying and explanation have been carried out to the present invention above by accompanying drawing and preferred embodiment, but the invention is not restricted to
These embodiments having revealed that, other schemes that those skilled in the art therefrom derive also protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of communication control unit a, it is characterised in that console includes a safety switch, and a moving component includes one
Safety logic circuit, connected between safety switch and safety logic circuit by safety signal hardware transport loop, wherein,
The console is used to a motion control signal being sent to moving component, and collects safety by safety switch
Signal, and moving component is sent to by safety signal hardware transport loop；
The moving component is used to receive motion control signal, and receives safety signal by safety logic circuit, by safety
Logic circuit carries out Motor execution according to the motion control signal and safety signal；
The moving component also includes a hardware delay circuit, is connected on safety signal hardware transport loop and positioned at safety
Between logic circuit and safety switch, for being then forwarded to safety logic circuit after the safety signal is delayed.
2. device as claimed in claim 1, it is characterised in that the console also includes an isolation circuit, is connected on peace
On full signal hardware transport loop and between safety switch and safety logic circuit, for safety signal carry out circuit every
Retransmited from after.
3. device as claimed in claim 2, it is characterised in that the safety switch and the first micro-control unit in console
Connection, wherein, first micro-control unit is used to detect safety switch state.
4. device as claimed in claim 1, it is characterised in that the safety switch is：Thin film switch with double-deck button
One of switch；The top button of action bars with top button；Or the capacitance sensing of the action bars of capacitor sensing
Device.
5. device as claimed in claim 4, it is characterised in that the safety switch is the head of the thin film switch with double-deck button
Layer switch.
6. device as claimed in claim 1, it is characterised in that the safety signal hardware transport loop and the console and
Communication bus between the moving component is arranged to the different cores in same root shielded cable；
Or the direct electric connection line between the safety signal hardware transport loop and the console and the moving component
The different cores being arranged in same root shielded cable.
7. a kind of communicating control method, it is characterised in that this method includes：
Motion control signal is sent to a moving component by one console, and collects safety signal by a safety switch
And it is sent to a moving component；
Moving component carries out Motor execution according to the motion control signal and safety signal of reception；
Delay process is carried out to the safety signal safety signal is sent into taking a step forward for moving component.
8. method as claimed in claim 7, it is characterised in that before safety signal is sent, this method also includes：To safety
Signal carries out circuit isolation.
9. a kind of Medical Devices, it is characterised in that be provided with the Medical Devices according to any one of claims 1 to 6 logical
Interrogate control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410060362.XA CN104865905B (en) | 2014-02-21 | 2014-02-21 | Communication control unit, communicating control method and Medical Devices |
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|---|---|---|---|
| CN201410060362.XA CN104865905B (en) | 2014-02-21 | 2014-02-21 | Communication control unit, communicating control method and Medical Devices |
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| CN2403911Y (en) * | 1999-11-30 | 2000-11-01 | 刘长年 | Liquid control solar-energy photoelectric water pump |
| DE10011410A1 (en) * | 2000-03-09 | 2001-09-20 | Bosch Gmbh Robert | Fail-safe signal generation device for safety critical signal has back-up device for generation of load driver signal in emergency operating mode |
| ATE535847T1 (en) * | 2008-08-01 | 2011-12-15 | Siemens Ag | SAFETY SWITCHING ARRANGEMENT FOR OUTPUTING A SWITCHING SIGNAL |
| CN201888011U (en) * | 2010-11-30 | 2011-06-29 | 北京万东医疗装备股份有限公司 | X-ray generator exposure protection control device |
| US9173248B2 (en) * | 2011-03-14 | 2015-10-27 | Products Support, Inc. | Thawing oven |
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