CN217385279U - X-ray leakage-proof safety electric control device - Google Patents
X-ray leakage-proof safety electric control device Download PDFInfo
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- CN217385279U CN217385279U CN202220961289.3U CN202220961289U CN217385279U CN 217385279 U CN217385279 U CN 217385279U CN 202220961289 U CN202220961289 U CN 202220961289U CN 217385279 U CN217385279 U CN 217385279U
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Abstract
The application relates to an X-ray leakage-proof safety electric control device, which comprises a safety relay, a door magnetic switch, an X-ray generator, a rack and a protective door, wherein the safety relay and the X-ray generator are arranged on the rack; the mineral sorting device has the effect of preventing X-rays from radiating and leaking in mineral sorting.
Description
Technical Field
The application relates to the field of X-ray leakage-proof safety electric control devices.
Background
X-rays are currently widely used in medicine and industry; x-rays have strong penetrating power and are used industrially for industrial inspection.
Mineral sorting performance equipment is often operated with X-rays for sorting. However, the prior art has a plurality of loopholes due to the high-frequency radiation of the X-ray; for example, the leakage of X-rays is mainly at the gap of the protective door, and the conventional method uses a door magnetic switch or adds an intermediate relay as a low-frequency digital input signal to acquire and detect; however, when the door is opened or closed or not, the door shaking frequency is higher than the low-frequency sampling frequency, the existing circuit cannot distinguish the door shaking frequency, and therefore the abnormal signal cannot be timely and accurately output; since the frequency of X-rays is very high, which is often higher than the door switch dithering frequency, X-ray radiation leakage accidents often occur, causing harm to the human body.
In view of the above-mentioned related technologies, the inventor believes that there is a problem that radiation leakage of X-rays in sorting minerals may occur, resulting in safety injury of workers.
SUMMERY OF THE UTILITY MODEL
In order to prevent that X ray from taking place radiation leakage when sorting minerals, this application provides a safe electrically controlled device is prevented leaking by X ray.
The application provides a safe electrically controlled device is prevented leaking by X ray adopts following technical scheme:
1. the utility model provides a safe electrically controlled device is prevented leaking by X ray, includes safety relay, door magnetic switch, X ray generator, frame and guard gate, safety relay and X ray generator set up in the frame, the frame outside is equipped with the door frame that cooperates the guard gate, be equipped with the door magnetic switch between the door frame of guard gate and frame, safety relay includes signal end and on-off control end, safety relay's signal end is connected the door magnetic switch and is constituted sensing circuit, the signal end is based on the output signal of door magnetic switch and is controlled the closing and the disconnection of on-off control end, safety relay's on-off control end is connected the signal acquisition end of X ray generator.
By adopting the technical scheme, the signal end of the safety relay transmits the pulse signal to the door magnetic switch and then transmits the pulse signal back to the safety relay through the door magnetic switch, and the pulse signal can be used for judging whether the protective door shakes or loosens; the signal end controls the on and off of the switch control end based on the output signal of the door magnetic switch; the built-in relay output control normally open contact of safety relay connects the signal acquisition end of X ray generator to can prevent that X ray from taking place to leak, reduce the risk that the staff is wounded safely.
Preferably, the signal end includes first output terminal and second output terminal, first input terminal and second input terminal, door magnetic switch includes first door magnetic switch group and second door magnetic switch group, first output terminal establishes ties first door magnetic switch group and first input terminal and constitutes first sensing circuit, second output terminal establishes ties second door magnetic switch group and second input terminal and constitutes second sensing circuit.
By adopting the technical scheme, the first output terminal and the second output terminal send out pulse signals, and the pulse signals are transmitted back to the first input terminal and the second input terminal through the gate magnetic switch; the two sensing loops can reflect the condition of the gate magnetic switch more accurately.
Preferably, the signal terminal further comprises a feedback terminal, and the feedback terminal is connected to the output terminal.
By adopting the technical scheme, the collected pulse signals are fed back through the feedback terminal, if the pulse signals output by the signal end are consistent with the input pulse signals, the safety relay switch control end is closed without errors, and if the pulse signals output by the signal end are inconsistent with the input pulse signals, the safety relay switch control end is disconnected with errors.
Preferably, the switch control end of the safety relay comprises a safety normally open contact, and the safety normally open contact is connected with the signal acquisition end of the X-ray generator.
By adopting the technical scheme, the safe normally open contact is used for controlling the signal acquisition end of the X-ray generator.
Preferably, the X-ray detector also comprises a master control computer, and the X-ray generator is provided with an RS232 communication interface; and the RS232 communication interface is connected with the master control computer and is used for receiving a starting signal of the master control computer.
By adopting the technical scheme, the RS232 communication interface of the X-ray generator is used for receiving the starting signal of the main control computer.
Preferably, the X-ray detector also comprises an intermediate relay and an indicator light, wherein the intermediate relay is provided with an intermediate coil and an intermediate switch, and the intermediate coil is connected with a signal acquisition end of the X-ray generator; the intermediate switch is connected with a warning loop of the indicator lamp.
By adopting the technical scheme, the indicating lamp is used for warning whether the X-ray generator works or not. The intermediate relay has the function of a bridge, avoids the direct connection of the indicator light and the X-ray generator, and further controls and adjusts the circuit; meanwhile, when the intermediate relay is powered off, the intermediate switch is switched off, and the indicator light is turned off; when the power is on, the intermediate switch is closed, and the indicator light flickers.
Preferably, the indicator light is arranged on the rack.
Through adopting above-mentioned technical scheme, the pilot lamp sets up in the frame, makes things convenient for the staff to know the condition.
Preferably, the safety relay is a safety relay of a model 3SK1121-1AB 40.
By adopting the technical scheme, the function of the safety relay reaches the safety index of X-ray leakage prevention.
In summary, the present application includes at least one of the following beneficial technical effects:
1. on the basis of original conventional low frequency sampling door magnetic switch signal, through introducing pulse signal transmission, through door magnetic switch, sampling pulse signal discriminates the judgement, has increaseed the sampling precision, has promoted radiation safety factor, prevents that X ray from can taking place the radiation and leaking selecting separately the mineral, reduces the problem of staff's safety injury risk.
2. The electric control device has stable structure and good control and regulation effects.
3. And an indicator light is added to warn the working personnel of the running state of the machine.
Drawings
Fig. 1 is a structural schematic diagram of an X-ray leakage-proof safety electric control device.
Fig. 2 is a flow chart of an X-ray leakage-preventing safety electric control device.
Fig. 3 is a circuit diagram of a safety relay and a magnetic switch of the X-ray leakage-preventing safety electric control device.
Fig. 4 is a circuit diagram of an X-ray leakage-preventing safety electric control device.
Description of reference numerals: 1. a safety relay; 2. a door magnetic switch; 3. an intermediate relay; 4. an X-ray generator; 5. a master control computer; 6. a protective door; 7. a frame; 8. an indicator light; t1, a first output terminal; t2, a second output terminal; IN1, a first input terminal; IN2, a second input terminal; INF, feedback terminal; l, a sensing loop; m, warning circuit; l1, first sensing loop; l2, second sensing loop; 11. a signal terminal; 12. a switch control terminal; 121. a safe normally open contact; 21. a first door magnetic switch group; 22. a second door magnetic switch group; 41. an RS232 communication interface; 31. a middle coil; 32. an intermediate switch; 81. a first indicator light; 82. and a second indicator light.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a safe electrically controlled device is prevented leaking by X ray.
Referring to fig. 1 and 2, an X-ray leakage-proof safety electric control device comprises a safety relay 1, a door magnetic switch 2, an X-ray generator 4, a main control computer 5, an intermediate relay 3, a frame 7, an indicator light 8 and a protective door 6; safety relay 1, auxiliary relay 3 and X ray generator 4 set up in the switch board of frame, and the frame 7 outside is equipped with the door frame with guard gate 6 complex, and door magnetic switch 2 sets up between the door frame of guard gate 6 and frame 7, and pilot lamp 8 sets up on the frame outer wall.
2. Referring to fig. 3 and 4, the safety relay 1 includes a signal terminal 11 and a switch control terminal 12, the signal terminal 11 of the safety relay 1 is connected to the gate switch 1 to form a sensing loop L, the signal terminal 11 controls the on/off of the switch control terminal 12 based on the output signal of the gate switch 2, and the switch control terminal 12 of the safety relay 1 is connected to the signal acquisition terminal of the X-ray generator 4; the intermediate relay 3 is provided with an intermediate coil 31 and an intermediate switch 32, and the intermediate coil 31 is connected with a signal acquisition end of the X-ray generator 4; the intermediate switch 32 is connected with the warning loop M of the indicator light 8; the main control computer 5 is connected with the X-ray generator 4 and is used for controlling the starting of the X-ray generator 4; the intermediate relay 3 can be used for controlling and adjusting the voltage of the electric control device because the voltages born by all parts in the electric control device are different.
Therefore, under the condition that the protective door is not closed or is opened and closed, the electric control device can not start the X-ray generator to emit X-rays; when the protective door is closed, the electric control device can start the X-ray initiator and is not easy to cause the condition of radiation leakage.
3. Referring to fig. 3 and 4, the signal terminal 11 includes first and second output terminals T1 and T2, first and second input terminals IN1 and IN2, and the gate magnetic switch 2 includes first and second gate magnetic switch groups 21 and 22; the first protective door 6 is provided with two switches, the first door magnetic switch group 21 is provided with three switches positioned between the three protective doors 6 and the door frame of the rack 7, and the second door magnetic switch group 22 is provided with three switches positioned between the three protective doors 6 and the door frame of the rack 7; the first output terminal T1 outputs a pulse signal, and the first gate-magnetic switch group 21 and the first input terminal IN1 are connected IN series to form a first sensing loop L1. The second output terminal T2 outputs a pulse signal, and the second gate switch group 22 and the second input terminal IN2 are connected IN series to form a second sensing loop L2, and the feedback terminal INF is connected to the second output terminal T2. The first input terminal IN1 and the second input terminal IN2 receive pulse information and perform periodic pulse counting. If the number of the periodic pulses sent by the first input terminal IN1 and the first output terminal T1 is not equal, and the number of the periodic pulses sent by the second input terminal IN2 and the second output terminal T2 is not equal, it represents an error, the protective door 6 has a loose phenomenon, that is, the protective door 6 is not closed or is closed at any time, and the feedback terminal INF feeds back the information; for example, the safety relay 1 outputs 10 pulses every 1 millisecond, and the input end of the safety relay 1 counts the number of received 10 pulses in1 millisecond, namely, the safety relay is normal and the door is closed; if only 5 or 6 pulses are received in1 millisecond of the input end, the loosening phenomenon of the door in the process is represented.
Referring to fig. 4, the safety relay 1 is provided with a safety normally open contact 121, and the safety normally open contact 121 of the safety relay 1 is closed without error through pulse sampling judgment of the signal end 11, otherwise, the safety normally open contact 121 of the safety relay 1 is opened; meanwhile, a safe normally open contact 121 of the safety relay 1 is connected with an X-ray generator 4, and the X-ray generator 4 is connected with the intermediate relay 3 in series; the X-ray generator 4 is provided with an RS232 communication interface 41 for connecting with the main control computer 5.
Referring to fig. 4, the number of the indicator lights 8 in this embodiment is two, and the indicator lights 8 are respectively disposed on the outer walls of the two sides of the rack, and the intermediate relay 3 is connected to the indicator lights 8 through the intermediate switch 32; the warning loop M is provided with a power supply, when the power is off, the intermediate coil 31 is not electrified, the intermediate switch 32 is disconnected, and the indicator lamp is turned off; when the power is on, the middle coil 31 is electrified, the middle switch 32 is closed, and the indicator light 8 flickers.
The implementation principle of the X-ray leakage-proof safety electric control device in the embodiment of the application is as follows: the output terminal of the safety relay 1 of the 3SK1121-1AB40 model sends out pulses, pulse signals are transmitted back to the input terminal of the safety relay through the door magnetic switch, and the safety normally open contact 121 of the safety relay 1 is closed without errors through pulse sampling judgment, otherwise the safety normally open contact 121 of the safety relay 1 is disconnected. The contact switch state is connected to the X-ray generator 4 as a condition for starting and closing the X-ray, once the conditions are met, the X-ray generator 4 receives a command for starting the X-ray by the main control computer 5 in a communication way, the X-ray generator 4 is connected with the intermediate relay 3 and the indicator lamp 8, the intermediate coil 31 of the intermediate relay 3 is electrified, and the indicator lamp 8 flickers simultaneously; if the conditions are not met or a command of closing the X-ray is received, the intermediate coil 31 of the intermediate relay 3 is powered down, and the indicator light 8 is turned off.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a safe electrically controlled device is prevented leaking by X ray, its characterized in that, includes safety relay (1), door magnetic switch (2), X ray generator (4), frame (7) and guard gate (6), safety relay (1) and X ray generator (4) set up on frame (7), the frame (7) outside is equipped with the door frame that cooperates in guard gate (6), be equipped with door magnetic switch (2) between the door frame of guard gate (6) and frame (7), safety relay (1) includes signal end (11) and on-off control end (12), signal end (11) of safety relay (1) are connected door magnetic switch (2) and are constituted sensing circuit (L), signal end (11) are based on the output signal of door magnetic switch (2) to the closing and the disconnection of on-off control end (12) control, the on-off control end (12) of safety relay (1) are connected the signal acquisition of X ray generator (4) and are held And (4) an end.
2. An X-ray leakage-preventing safety electric control device according to claim 1, wherein the signal terminal (11) comprises a first output terminal (T1) and a second output terminal (T2), a first input terminal (IN1) and a second input terminal (IN2), the gate magnetic switch (2) comprises a first gate magnetic switch group (21) and a second gate magnetic switch group (22), the first output terminal (T1) is connected IN series with the first gate magnetic switch group (21) and the first input terminal (IN1) to form a first sensing loop (L1), and the second output terminal (T2) is connected IN series with the second gate magnetic switch group (22) and the second input terminal (IN2) to form a second sensing loop (L2).
3. An X-ray leakage prevention safety electric control device according to claim 1, wherein said signal terminal (11) further comprises a feedback terminal (INF), said feedback terminal (INF) being connected to the second output terminal (T2).
4. An X-ray leakage-proof safety electric control device according to claim 1, characterized in that the switch control terminal (12) of the safety relay (1) comprises a safety normally open contact (121), and the safety normally open contact (121) is connected with the signal acquisition terminal of the X-ray generator (4).
5. A leak-proof safety electric control device for X-ray according to claim 1, further comprising a main control computer (5), wherein said X-ray generator (4) is provided with an RS232 communication interface (41); and the RS232 communication interface (41) is connected with the master control computer (5) and is used for receiving a starting signal of the master control computer (5).
6. An X-ray leakage-preventing safety electric control device according to claim 1, characterized by further comprising an intermediate relay (3) and an indicator light (8), wherein the intermediate relay (3) is provided with an intermediate coil (31) and an intermediate switch (32), the intermediate coil (31) is connected with a signal acquisition end of an X-ray generator (4); the intermediate switch (32) is connected to a warning circuit (M) of the indicator light (8).
7. An X-ray leakage-preventing safety electric control device according to claim 6, characterized in that the indicator light (8) is arranged on the frame (7).
8. An X-ray leakage prevention safety electric control device according to any one of claims 1 to 7, characterized in that said safety relay (1) is a safety relay (1) model 3SK1121-1AB 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961289.3U CN217385279U (en) | 2022-04-22 | 2022-04-22 | X-ray leakage-proof safety electric control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961289.3U CN217385279U (en) | 2022-04-22 | 2022-04-22 | X-ray leakage-proof safety electric control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217385279U true CN217385279U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220961289.3U Active CN217385279U (en) | 2022-04-22 | 2022-04-22 | X-ray leakage-proof safety electric control device |
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| Country | Link |
|---|---|
| CN (1) | CN217385279U (en) |
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- 2022-04-22 CN CN202220961289.3U patent/CN217385279U/en active Active
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