CN201197715Y - Reaphook type device for protecting digital radiation photograph system security - Google Patents

Abstract

The utility model discloses a security protection device of a sickle type digital radioactive photographic system, which comprises a power module, an infrared induction module and a control module; the power module is respectively connected with the infrared induction module and the control module; the infrared induction module is connected with the control module; the power module provides power for the infrared induction module and the control module; the infrared induction module which is installed on a sickle arm of the sickle type digital radioactive photographic system sends out an infrared signal and receives the infrared signal which is reflected back, and outputs a control signal to the control module which then outputs a control signal to an electric motor that drives the sickle arm to move according to the control signal received. By adopting the utility model, the patient can carry out photograph of the body parts such as the lumbar, the thoracic vertebra and the like by only sitting and lying, thereby the pain of the patient due to turnover is greatly reduced.

Description

A kind of reaphook type digital radiography system safety guard

Technical field

This utility model relates to the armarium technical field, is specifically related to a kind of reaphook type digital radiography system safety guard.

Background technology

Reaphook type digital radiography system is made of bulb, sickle frame, high tension generator, image work acquisition station, photography bed, DR (Digital Radiography, digitalization radiation shooting) detector.The sickle frame is owing to the outer image reaping hook of its arm gets its name.Bulb and DR detector are installed in the two ends of the reaping hook arm of reaping hook frame respectively.Distance between bulb and the DR detector can be according to the adjustment from 1 meter to 1.8 meters of photography human body.The reaping hook arm can move both vertically up and down according to the needs at position that patient photographs on frame.Also can do simultaneously-30 ° of-120 ° rotatablely move.To satisfy demands such as upright position and clinostatism.High tension generator is mainly the high pressure that bulb provides setup parameter.These parameters mainly comprise kilovolt, milliampere, time, make bulb produce the X ray of required dosage.The DR detector then is that X ray is converted into the signal of telecommunication.Image workstation becomes piece image to DR detector images acquired signal reconstruction.

When photographing, the reaping hook arm is in vertical position.Patient lies on the photography bed, the radiation doctor opens the light concentrator indicator light switch before the bulb, and adjustment light concentrator diaphragm size, and travelling shot bed bed surface, make the display lamp cross centre line point to the center at the position of will photographing, the exposure button of pressing high tension generator then produces X ray by bulb.X ray passes patient and photographs and by the DR detector X ray of record patient information is changed into the signal of telecommunication behind the position, the image that the signal of telecommunication is reconstructed into a width of cloth patient position by image workstation is for diagnosis or pass in PACS (PictureArchiving and Communications System, medical image files and the communicates by letter) system.

When the reaphook type digital radiography system of prior art is horizontal when the reaping hook arm, the photography berth is in the below of reaping hook arm, this moment patient sit for sleeping in, lie on the back (lying low), lie on one's side and can carry out the photography at positions such as lumbar vertebra, thoracic vertebra, photographic process is that patient lies on the photography bed, press reaping hook arm decline button, the reaping hook arm is moved downward, open bulb the place ahead light concentrator indicator light switch, adjust light concentrator diaphragm size, make the display lamp cross centre line point to the center that to photograph, press the exposure button of high tension generator, finish the single exposure photography.But when patient sits photography for sleeping in, in reaping hook arm decline process, the necessary high concentration energy of doctor, note observing the situation that the reaping hook arm descends, in order to avoid the reaping hook arm weighs the people wounded, malpractice takes place, so the general mode that allows patient lie on the back (lying low) or lie on one's side that adopts of doctor is photographed to lumbar vertebra, thoracic vertebra etc., but will dispose the misery that increases patient because of patient being stood up etc. like this, the while has also been increased the weight of doctor's workload.

The utility model content

The technical problems to be solved in the utility model provides a kind of reaphook type digital radiography system safety guard; the reaphook type digital radiography system that overcomes prior art causes the reaping hook arm to weigh the people wounded when patient being sat photography for sleeping in easily, and the defective of malpractice takes place.

This utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:

A kind of reaphook type digital radiography system safety guard; comprise power module; infrared induction module and control module; described power module links to each other with described control module with described infrared induction module respectively; described infrared induction module links to each other with described control module; described power module provides power supply for described infrared induction module and described control module; described infrared induction module is installed on the reaphook type digital radiography system reaping hook arm; the emission infrared signal also receives the infrared signal of reflected back; and to described control module output control signal, described control module is according to the motor output movement control signal of the described control signal that receives to the motion of driving reaping hook arm.

Described reaphook type digital radiography system safety guard; wherein said control module comprises touch screen controller, Programmable Logic Controller and the motor control module that links to each other successively; described touch screen controller sends the startup command that starts described reaping hook arm motion to described Programmable Logic Controller; described Programmable Logic Controller judges whether to described motor output movement control signal according to the control signal of described startup command with the described infrared induction module that receives; if judged result is for being, then to described motor output movement control signal.

Described reaphook type digital radiography system safety guard, wherein said infrared induction module comprises at least one infrared inductor.

Described reaphook type digital radiography system safety guard, wherein said motor control module comprise converter and coupled first relay and second relay.

Described reaphook type digital radiography system safety guard, wherein said infrared inductor are made as little angle of departure infrared inductor.

Described reaphook type digital radiography system safety guard, the transmitting terminal of wherein said infrared inductor is provided with optical filter.

The beneficial effects of the utility model are: this utility model reaphook type digital radiography system safety guard, by on the reaping hook arm, infrared inductor being set, position when utilizing infrared inductor to survey the nearly patient of reaping hook arm rest, and then control motor velocity of rotation and whether rotate, alleviated doctor's tense working state greatly; Simultaneously owing to adopt two infrared inductors of little emission angle, guaranteed that the signal that two infrared inductors transmit and receive does not disturb mutually, makes protector reliable and stable; After adopting this utility model, patient has greatly reduced patient has been stood up the misery of being brought as long as sitting to crouch to carry out the photography at positions such as lumbar vertebra, thoracic vertebra.

Description of drawings

This utility model comprises following accompanying drawing:

Fig. 1 is this utility model reaphook type digital radiography system safety guard module diagram;

Fig. 2 is this utility model control module sketch map;

Fig. 3 is this utility model reaphook type digital radiography system safety guard circuit block diagram;

Fig. 4 is this utility model reaphook type digital radiography system safety guard infrared inductor installation site sketch map.

The specific embodiment

With embodiment this utility model is described in further detail with reference to the accompanying drawings below:

As Fig. 1; Fig. 2 and shown in Figure 3; this utility model reaphook type digital radiography system safety guard comprises power module; infrared induction module and control module; power module links to each other with control module with the infrared induction module respectively; the infrared induction module links to each other with control module; power module is used to infrared induction module and control module that power supply is provided; the infrared induction module is installed on the reaphook type digital radiography system reaping hook arm; be used to the infrared signal of launching infrared signal and receiving reflected back; and to control module output control signal, control module is used for according to the control signal that receives to the motor output movement control signal that drives the motion of reaping hook arm.Control module comprises touch screen controller, Programmable Logic Controller and the motor control module that links to each other successively, touch screen controller is used for sending the startup command that starts described reaping hook arm motion to Programmable Logic Controller, Programmable Logic Controller is used for judging whether to motor output movement control signal according to the control signal of startup command with the infrared induction module that receives, if judged result is for being, then to motor output movement control signal.The infrared induction module comprises at least one infrared inductor.Motor control module comprises converter and coupled first relay and second relay.

Aspect concrete enforcement, touch screen controller is selected the MT506S of the dynamo-electric company of people for use, provides 24 volts of unidirectional currents by power module, links to each other with Programmable Logic Controller PLC by the RS422 interface.Programmable Logic Controller PLC is the FX2N-48MK of Mitsubishi, provides 24 volts of unidirectional currents by power module.Its input port links to each other with the output of infrared induction module, receives the output signal of infrared induction module.Power module is made up of Switching Power Supply, electric fuse, double-pole switch.Input 220V, output 24V unidirectional current.The infrared induction module is made up of two pairs of infrared inductors and resistance R 1, R2, R3, R4, be infrared inductor 1 and infrared inductor 2, model is the SDP8600 of Honeywell company, as shown in Figure 4, be installed in reaping hook arm relative position up and down respectively, infrared inductor 1 infrared transmitter T1 and infrared remote receiver E1 form, and infrared inductor 2 infrared transmitter T2 and infrared remote receiver E2 form.When infrared transmitter adds voltage, the emission infrared ray.After infrared remote receiver was sensed infrared ray, output port transferred low level to by high level.Resistance R 1, R3 resistance are 4K, and resistance R 2, R4 resistance are 2K.The motor control module interface module is made up of relay J 1, relay J 2 and converter P and resistance R 5, R6, the relay model is the Y2J of Omron, and the converter model is the SY200-007 of Hitachi, and R5, R6 resistance are respectively 5K and 10K, when relay J 1 action, its contact J1-1 connects.Then 5K resistance inserts in the converter, converter output high speed signal.When relay J 2 was connected, its contact J2-1 connected, and then 10K resistance inserts in the converter, converter output low speed signal.When J1 and J2 disconnect simultaneously, the output of converter no signal.The motor model is that nation flies sharp BN70, and the reductor model is W63-U, when the high speed signal drive motors of converter, and the motor fast rotational, the reaping hook arm descends fast.Converter is during with the low speed signal drive motors, and motor rotates at a slow speed, and the reaping hook arm is descended at a slow speed.

After patient sets the position, on touch screen controller MT506S, press reaping hook arm decline button, touch screen controller MT506S gives Programmable Logic Controller PLC by communication cable with order.If this moment, the level through infrared receiver E1 and infrared remote receiver E2 all was a low level, then Programmable Logic Controller outfan O1 is a high level, relay J 1 action, J1-1 connects, converter P exports fast signal, and the motor fast rotational drives the reaping hook arm and descends fast.When patient's health blocked infrared transmitter device T1, infrared remote receiver E1 exported high level, and Programmable Logic Controller PLC outfan O2 is a high level, relay T2 action, J2-1 connects, and converter P exports slow speed signal, motor moves at a slow speed, drives the reaping hook arm and descends at a slow speed.When patient's health blocked infrared transmitter T2 simultaneously, infrared remote receiver E2 did not receive infrared light, the output high level, and Programmable Logic Controller PLC outfan O1 and O2 are low level.Relay J 1, J2 all are failure to actuate.Converter P is output signal not, and motor stops operating.This moment, the reaping hook arm stopped to descend.Prevent that promptly the reaping hook arm from weighing patient wounded, to security purpose.

With two groups of infrared induction component detection patients, following benefit is arranged, when first group of infrared induction inductive component during to signal, illustrate that patient is very near from the reaping hook arm of top, this moment, the reaping hook arm slowly descended, and reminded the doctor, owing to slowly descend, give doctor's certain reaction time simultaneously; When second group of infrared induction assembly also sensed signal simultaneously, this moment, patient had two centimeters distance from the reaping hook arm, and this moment, the reaping hook arm stopped decline, guaranteed that patient is not weighed wounded.

Avoid transmitting of two groups of infrared induction inductive components to interfere with each other.This utility model adopts the infrared inductor of the little angle of departure, loads onto optical filter in the transmitter front-end of infrared inductor, can filter the light of other wavelength.

As shown in Figure 4, infrared transmitter (T2) 2, infrared transmitter (T1) 3, infrared remote receiver (E2) 4, infrared remote receiver (E1) are installed on the reaping hook arm 1.Reaphook type digital radiography system also comprises bed panel 6, DR detector 7, bulb 8 and light concentrator 9.

Those skilled in the art do not break away from essence of the present utility model and spirit, can there be the various deformation scheme to realize this utility model, the above only is the preferable feasible embodiment of this utility model, be not so limit to interest field of the present utility model, the equivalent structure that all utilization this utility model description and accompanying drawing content are done changes, and all is contained within the interest field of the present utility model.

Claims (6)

1. reaphook type digital radiography system safety guard; it is characterized in that: comprise power module, infrared induction module and control module; described power module links to each other with described control module with described infrared induction module respectively, and described infrared induction module links to each other with described control module.

2. reaphook type digital radiography system safety guard according to claim 1 is characterized in that: described control module comprises touch screen controller, Programmable Logic Controller and the motor control module that links to each other successively.

3. reaphook type digital radiography system safety guard according to claim 2 is characterized in that: described infrared induction module comprises at least one infrared inductor.

4. reaphook type digital radiography system safety guard according to claim 3 is characterized in that: described motor control module comprises converter and coupled first relay and second relay.

5. reaphook type digital radiography system safety guard according to claim 4 is characterized in that: described infrared inductor is made as little angle of departure infrared inductor.

6. reaphook type digital radiography system safety guard according to claim 5 is characterized in that: the transmitting terminal of described infrared inductor is provided with optical filter.

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