CN203458399U - Column and digital radiography system - Google Patents
Column and digital radiography system Download PDFInfo
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- CN203458399U CN203458399U CN201320391092.1U CN201320391092U CN203458399U CN 203458399 U CN203458399 U CN 203458399U CN 201320391092 U CN201320391092 U CN 201320391092U CN 203458399 U CN203458399 U CN 203458399U
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- moving component
- mechanical stop
- column
- limit device
- electronic limit
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- 238000002601 radiography Methods 0.000 title abstract description 4
- 230000033001 locomotion Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- CJRQAPHWCGEATR-UHFFFAOYSA-N n-methyl-n-prop-2-ynylbutan-2-amine Chemical compound CCC(C)N(C)CC#C CJRQAPHWCGEATR-UHFFFAOYSA-N 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
Provided are a column and a digital radiography system. The column comprises a column body, a moving part, a moving shaft, a moving link part that is connected with the moving part and the moving shaft to enable the moving part to move along the moving shaft, and a first mechanical stop device and a second mechanical stop device that are respectively positioned at two ends of the moving shaft. The column also includes a first electronic stop device positioned between the central point of the moving shaft and the first mechanical stop device. The digital radiography system comprises the above column, and a frame control unit connected with the first electronic stop device and the moving part. According to the technical solution, the first mechanical stop device or the second mechanical stop device is prevented from being damaged due to high speed motions of the moving part, thereby effectively preventing DR equipment from being damaged or breaking down because the moving part cannot be braked in time when running with high speed.
Description
Technical field
This utility model relates to deceleration of electrons field, particularly a kind of column and X-ray shooting system.
Background technology
X-ray (Digital Radiography, DR) system has the features such as image resolution ratio is high, image taking speed is fast, post-processing function is powerful, radiation dose is low, is widely used in medical diagnosis and treatment field.Consult Fig. 1, Fig. 1 has the schematic diagram of the column of mechanical stop limiter in existing X-ray shooting system.In X-ray shooting system, the moving components such as flat panel detector 6 are connected on a kinematic axis 4 by motion linkage part 5, and kinematic axis 4 is fixed in column body 1.
When moving component 6 rises or declines along kinematic axis 4 under the drive of motion linkage part 5, for preventing that moving component 6 from exceeding stroke range, at the two ends of kinematic axis 4, be respectively equipped with one first mechanical stop limiter 2 and the second mechanical stop limiter 3.In moving component 6 ascending motion processes, when itself and the first mechanical stop limiter 2 bump, be subject to stopping and stop motion of the first mechanical stop limiter 2; In moving component 6 descending motion processes, when itself and the second mechanical stop limiter 3 bump, be subject to stopping and stop motion of the second mechanical stop limiter 3.The existing column with mechanical stop limiter limits the stroke of moving component by mechanical stop limiter, simple in structure.
But, in use procedure, due to factors such as artificial or line-of-sight constraint, the in the situation that, inertia high in moving component speed being large, two mechanical stop limiters that bump are very easily by damage, once occur that mechanical stop limiter is abnormal or the situation that moving component driving cannot be braked in time, very easily move and rush to summit, and then cause Rack Body damage, chain or broken cable etc.; In addition, above-mentioned mechanical stop limiter does not have fault diagnosis functions, and in use operator can not find the abnormal or fault of this mechanical stop limiter in time.
Utility model content
The column in prior art to be solved in the utility model with mechanical stop limiter there is the easy damage of mechanical mechanism, the problem of poor reliability in its moving component in motor process.
For addressing the above problem, technical solutions of the utility model provide a kind of column, comprise column body, moving component, kinematic axis, connect described moving component and described kinematic axis so that the linkage part that moves that described moving component moves along described kinematic axis, and the first mechanical stop limiter and the second mechanical stop limiter that lay respectively at the two ends of described kinematic axis, described moving component, kinematic axis, motion linkage part is arranged in described column body, described column also comprises: at the mid point of described kinematic axis and the first electronic limit device between described the first mechanical stop limiter.
Alternatively, described column also comprises at the mid point of described kinematic axis and the second electronic limit device between described the second mechanical stop limiter.
Alternatively, the distance between described the first mechanical stop limiter and described the first electronic limit device is more than or equal to 10cm and is less than or equal to 50cm; Distance between described the second mechanical stop limiter and described the second electronic limit device is more than or equal to 10cm and is less than or equal to 50cm.
Alternatively, described the first electronic limit device or described the second electronic limit device are microswitch or position sensor.
Technical solutions of the utility model also provide a kind of X-ray shooting system, comprise above-mentioned column, and described X-ray shooting system also comprises the mill stand control unit that is connected to described the first electronic limit device and described moving component; When described moving component moves to described the first electronic limit device, described the first electronic limit device is to described mill stand control unit output primary importance signal, described mill stand control unit based on described primary importance signal to described moving component output enable signal so that described moving component stops or with First Speed to described the first mechanical stop limiter motion.
Alternatively, described the second electronic limit device is connected in described mill stand control unit, when described moving component moves to described the second electronic limit device, described the second electronic limit device is to described mill stand control unit output second position signal, described mill stand control unit based on described second position signal to described moving component output enable signal so that described moving component stops or with second speed to described the second mechanical stop limiter motion.
Alternatively, described First Speed is more than or equal to 1mm/s and is less than or equal to 50mm/s; Described second speed is more than or equal to 1mm/s and is less than or equal to 50mm/s.
Compared with prior art, technical solutions of the utility model are when moving component high-speed motion, when it arrives the first electronic limit device or the second electronic limit device, can be by the mill stand control unit that is connected with the second electronic limit device with above-mentioned the first electronic limit device to moving component output enable signal, make moving component skidding or move with lower speed, thereby avoid because of the damage of moving component high-speed motion to the first mechanical stop limiter or the second mechanical stop limiter, damage or the fault that while effectively preventing moving component driving, cannot brake in time and cause to DR equipment.
Accompanying drawing explanation
Fig. 1 has the schematic diagram of the column of mechanical stop limiter in existing X-ray shooting system;
Fig. 2 is the schematic diagram of this utility model column one embodiment.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.Set forth detail in the following description so that fully understand this utility model.But this utility model can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization without prejudice to this utility model intension in the situation that.Therefore this utility model is not subject to the restriction of the following public specific embodiment.
Consult Fig. 2, Fig. 2 is the schematic diagram of this utility model column one embodiment.Technical solutions of the utility model provide a kind of column, comprise column body 1, moving component 6, kinematic axis 4, connect described moving component 6 and described kinematic axis 4 so that the linkage part 5 that moves that described moving component 6 moves along described kinematic axis 4, and the first mechanical stop limiter 2 and the second mechanical stop limiter 3 that lay respectively at the two ends of described kinematic axis 4.Described moving component 6, kinematic axis 4, motion linkage part 5 are arranged in described column body 1.The first mechanical stop limiter 2 continues motion for retardation motion parts when moving component 6 arrives one end of kinematic axis 4 under the drive of motion linkage part 56; The second mechanical stop limiter 3 continues motion for retardation motion parts when moving component 6 arrives the other end of kinematic axis 4 under the drive of motion linkage part 55.Described column can be for the column of breast photograph shelf is installed, and can be also for the column of bulb is installed.
Continue to consult Fig. 2, described column also comprises the first electronic limit device 7 between the mid point O of described kinematic axis 4 and described the first mechanical stop limiter 2.The first electronic limit device 7 can be microswitch or position sensor etc., provides the device of feedback signal when moving component 6 arrives the first electronic limit device 7.Distance between described the first mechanical stop limiter 2 and described the first electronic limit device 7 is more than or equal to 10cm and is less than or equal to 50cm, for example, can be 20cm, 30cm or 40cm.
Described column also comprises the second electronic limit device 8 between the mid point O of described kinematic axis 4 and described the second mechanical stop limiter 3.The second electronic limit device 8 can be that microswitch or position sensor etc. provide the device of feedback signal when moving component 6 arrives the second electronic limit device 8.Distance between described the second mechanical stop limiter 3 and described the second electronic limit device 8 is more than or equal to 10cm and is less than or equal to 50cm, for example, can be 20cm, 30cm or 40cm.
It should be noted that, the first position of electronic limit device 7 on kinematic axis 4 can be adjustable.Particularly, the first electronic limit device 7 can be connected on kinematic axis 4 by mechanical part, a plurality of screens can be set so that the first electronic limit device 7 to be installed on kinematic axis 4.When column is installed, can be according to the position of the adjusting first electronic limit devices 7 such as different regions population average height.The position of the second electronic limit device 8 on kinematic axis 4 and the first electronic limit device 7 similar, this does not repeat.
Technical solutions of the utility model also provide a kind of X-ray shooting system, comprise above-mentioned column.Continue to consult Fig. 2, described X-ray shooting system also comprises the mill stand control unit 9 that is connected to described the first electronic limit device 7 and described moving component 6.When described moving component 6 moves to described the first electronic limit device 7, described the first electronic limit device 7 is 9 output primary importance signals to described mill stand control unit, described mill stand control unit 9 based on described primary importance signal to described moving component 6 output enable signals so that described moving component 6 stops or with First Speed to described the first mechanical stop limiter 7 motions.Described First Speed is more than or equal to 1mm/s and is less than or equal to 50mm/s.
Describe the work process of the X-ray shooting system of technical solutions of the utility model below in detail.
In the present embodiment, moving component 6 can be flat panel detector.In conjunction with Fig. 2, before numeral film making starts, due to the difference of each person under inspection's examine position or build, after last person under inspection checks, the position of moving component 6 on kinematic axis 4 may be not suitable for next person under inspection and check, this just needs the position of adjustment movement parts 6 on kinematic axis 4.
Operator moves to the first mechanical stop limiter 2 directions along the center O of kinematic axis 4 by mill stand control unit controls moving component 6.When moving component 6 moves to the position at the first electronic limit device 7 places, described the first electronic limit device 7 is 9 output primary importance signals to described mill stand control unit.
In one embodiment, described mill stand control unit 9 receives the backward described moving component 6 output enable signals of described primary importance signal so that described moving component 6 stops.If operator needs moving component 6 to continue to move to the first mechanical stop limiter 2 directions along the center O of kinematic axis 4, can adopt manual mode to move this moving component 6, or operator can move again to the first mechanical stop limiter 2 directions with lower speed by mill stand control unit 9 controlled motion parts 6.
In another embodiment, described mill stand control unit 9 receives described primary importance signal to described moving component 6 output enable signals so that described moving component 6 moves to described the first mechanical stop limiter 7 with First Speed.Because First Speed is lower, therefore, when arriving the first mechanical stop limiter 7, moving component can brake in time and the fierce collision of unlikely appearance and damage equipment.
Further, the second electronic limit device 8 of described X-ray shooting system is connected in described mill stand control unit 9, when described moving component 6 moves to described the second electronic limit device 8, described the second electronic limit device 8 is 9 output second position signals to described mill stand control unit, described mill stand control unit 9 based on described second position signal to described moving component 6 output enable signals so that described moving component 6 stops or with second speed to described the second mechanical stop limiter 8 motions.Described second speed is less than or equal to and is more than or equal to 1mm/s and is less than or equal to 50mm/s.The second electronic limit device 8 work process and the first electronic limit device 7 are similar, and this does not repeat.
In sum, technical solutions of the utility model are when moving component high-speed motion, when it arrives the first electronic limit device or the second electronic limit device, can be by the mill stand control unit that is connected with the second electronic limit device with above-mentioned the first electronic limit device to moving component output enable signal, make moving component skidding or move with lower speed, thereby avoid because of the damage of moving component high-speed motion to the first mechanical stop limiter or the second mechanical stop limiter, damage or the fault that while effectively preventing moving component driving, cannot brake in time and cause to DR system.
On the other hand, electronic limit device can design error failure diagnostic function, and operator can be noted abnormalities or fault in time.
Although this utility model with preferred embodiment openly as above; but it is not for limiting this utility model; any those skilled in the art are not within departing from spirit and scope of the present utility model; can utilize method and the technology contents of above-mentioned announcement to make possible change and modification to technical solutions of the utility model; therefore; every content that does not depart from technical solutions of the utility model; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all belong to the protection domain of technical solutions of the utility model.
Claims (5)
1. a column, comprise column body, moving component, kinematic axis, the described moving component of connection and described kinematic axis so that the linkage part that moves that described moving component moves along described kinematic axis, and the first mechanical stop limiter and the second mechanical stop limiter that lay respectively at the two ends of described kinematic axis, described moving component, kinematic axis, motion linkage part are arranged in described column body, it is characterized in that, described column also comprises: at the mid point of described kinematic axis and the first electronic limit device between described the first mechanical stop limiter.
2. column according to claim 1, is characterized in that, described column also comprises the second electronic limit device between the mid point of described kinematic axis and described the second mechanical stop limiter.
3. column according to claim 2, is characterized in that, the distance between described the first mechanical stop limiter and described the first electronic limit device is more than or equal to 10cm and is less than or equal to 50cm; Distance between described the second mechanical stop limiter and described the second electronic limit device is more than or equal to 10cm and is less than or equal to 50cm.
4. column according to claim 2, is characterized in that, described the first electronic limit device or described the second electronic limit device are microswitch or position sensor.
5. an X-ray shooting system, is characterized in that, comprises the column described in any one in claim 1-4, and described X-ray shooting system also comprises the mill stand control unit that is connected to described the first electronic limit device and described moving component; When described moving component moves to described the first electronic limit device, described the first electronic limit device is to described mill stand control unit output primary importance signal, described mill stand control unit based on described primary importance signal to described moving component output enable signal so that described moving component stops or with First Speed to described the first mechanical stop limiter motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320391092.1U CN203458399U (en) | 2013-07-02 | 2013-07-02 | Column and digital radiography system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320391092.1U CN203458399U (en) | 2013-07-02 | 2013-07-02 | Column and digital radiography system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203458399U true CN203458399U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320391092.1U Expired - Lifetime CN203458399U (en) | 2013-07-02 | 2013-07-02 | Column and digital radiography system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203458399U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105311755A (en) * | 2015-11-25 | 2016-02-10 | 沈阳东软医疗系统有限公司 | Medical linear accelerator |
| WO2016050202A1 (en) * | 2014-09-29 | 2016-04-07 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for digital radiography |
-
2013
- 2013-07-02 CN CN201320391092.1U patent/CN203458399U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016050202A1 (en) * | 2014-09-29 | 2016-04-07 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for digital radiography |
| GB2547575A (en) * | 2014-09-29 | 2017-08-23 | Shanghai United Imaging Healthcare Co Ltd | System and method for digital radiography |
| GB2547575B (en) * | 2014-09-29 | 2019-04-10 | Shanghai United Imaging Healthcare Co Ltd | System and method for digital radiography |
| US10426416B2 (en) | 2014-09-29 | 2019-10-01 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for digital radiography |
| US11064960B2 (en) | 2014-09-29 | 2021-07-20 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for digital radiography |
| US11877878B2 (en) | 2014-09-29 | 2024-01-23 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for digital radiography |
| US12295766B2 (en) | 2014-09-29 | 2025-05-13 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for digital radiography |
| CN105311755A (en) * | 2015-11-25 | 2016-02-10 | 沈阳东软医疗系统有限公司 | Medical linear accelerator |
| CN105311755B (en) * | 2015-11-25 | 2018-05-18 | 沈阳东软医疗系统有限公司 | Clinac |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201815 No. 1180 Xingxian Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee after: Shanghai Lianying Medical Technology Co.,Ltd. Address before: 201815 No. 1180 Xingxian Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |
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| CX01 | Expiry of patent term |