CN203587721U - Test system of CT slip ring device - Google Patents
Test system of CT slip ring device Download PDFInfo
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- CN203587721U CN203587721U CN201320758748.9U CN201320758748U CN203587721U CN 203587721 U CN203587721 U CN 203587721U CN 201320758748 U CN201320758748 U CN 201320758748U CN 203587721 U CN203587721 U CN 203587721U
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- brush
- guide rail
- ring device
- voltage
- test macro
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000010009 beating Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
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Abstract
The utility model discloses a test system of a CT slip ring device. The system is used for measuring a bounce of a brush (10) of the CT slip ring device relatively to a guide rail (20) of the CT slip ring device. The system comprises a voltage source (30) and a voltage measurement unit (40). The voltage source is connected in series with the brush and can apply one test voltage to the brush and the guide rail. The voltage measurement unit can test a voltage between the brush and the guide rail and possesses a first input terminal and a second input terminal. The first input terminal can be electrically connected with the brush and the second input terminal can be electrically connected with the guide rail. By using the test system of the CT slip ring device, test precision is high and a test result is visual and readable.
Description
Technical field
The utility model relates to a kind of for measuring the test macro of slip ring guide rail surface convex-concave, relates in particular to a kind of test macro for CT slip-ring device.
Background technology
In CT equipment, slip-ring device is being born the function that image data transmission, control signal transmission, CAN bus communication and electric power between fixed part and rotating part are carried.If guide rail surface exists small concavo-convex, in High Rotation Speed process, very easily cause that brush beats, any little loose contact of brush and guide rail may all can cause loss of data or delay, causes CT machine systemic breakdown.
Utility model content
The purpose of this utility model is to provide a kind of test macro of CT slip-ring device, accurately to measure brush beating with respect to guide rail.
Another object of the present utility model is to provide a kind of method of testing of CT slip-ring device.
The utility model provides a kind of test macro of CT slip-ring device, for measuring the brush of CT slip-ring device beating with respect to the guide rail of CT slip-ring device.It comprises a voltage source and a voltage measurement unit.Voltage source is serially connected with brush, and it can apply a test voltage in brush and guide rail.Voltage measurement unit can private wiper and guide rail between voltage, it has a first input end and second input end, first input end can be electrically connected at brush, and the second input end can be electrically connected at guide rail.The test macro of CT slip-ring device, measuring accuracy is high, and test result readability directly perceived.
In another schematic embodiment of the test macro of CT slip-ring device, test macro comprises a test resistance, and it is serially connected with between voltage source and brush.
In the schematic embodiment of another kind of the test macro of CT slip-ring device, test macro comprises a conduction shrink sleeve that is sheathed on brush.
In another schematic embodiment of the test macro of CT slip-ring device, voltage measurement unit is oscillograph.
In another schematic embodiment of the test macro of CT slip-ring device, CT slip-ring device comprises a plurality of brushes, and test macro comprises a plurality of access switches corresponding with brush, access switch series is connected to brush, and access switch can be switched on or switched off the electric connection of brush and voltage source.
In another schematic embodiment of the test macro of CT slip-ring device, each brush has an incoming end, access switch is double-point double-throw switch, this double-point double-throw switch has two the first contact jaws and two the second contact jaws, the first contact jaw can be electrically connected at voltage source or an earth potential, and the second contact jaw can be electrically connected at incoming end.
The utility model also provides a kind of method of testing of CT slip-ring device, comprises that voltage source applies a test voltage between brush and guide rail; When brush is during with respect to guide rail movement, voltage measurement unit is measured the touch voltage between brush and guide rail; If touch voltage is greater than a predeterminated voltage value, judge that CT slip-ring device is defective.
Accompanying drawing explanation
The following drawings only schematically illustrates and explains the utility model, does not limit scope of the present utility model.
Fig. 1 is used for the structural representation of a kind of exemplary embodiment of test macro that CT slip-ring device is described.
Fig. 2 is used for the structural representation of other exemplary embodiment of test macro that CT slip-ring device is described.
Fig. 3 is used for the testing process of the method for testing that CT slip-ring device is described.
Label declaration
10 brushes
12 first incoming ends
14 second incoming ends
16 conduction shrink sleeve
20 guide rails
30 voltage sources
40 voltage measurement units
42 first input ends
44 second input ends
50 test resistance
60 access switches
62 first contact jaws
64 second contact jaws.
Embodiment
For the technical characterictic to utility model, object and effect have more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described, in each figure, identical label represents identical part.
In this article, " schematically " expression " is served as example, example or explanation ", any diagram, the embodiment that are described in this article " schematically " should be interpreted as a kind of preferred or have more the technical scheme of advantage.
For making drawing succinct, in each figure, only schematically shown the part relevant to the utility model, they do not represent its practical structures as product.In addition, so that drawing is succinctly convenient to understand, in some figure, there are the parts of same structure or function, only schematically illustrated one of them, or only marked one of them.
In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".In this article, " first ", " second " etc. are only for differentiation each other, but not represent their significance level and order etc.
Fig. 1 is used for the structural representation of a kind of exemplary embodiment of test macro that CT slip-ring device is described.As shown in the figure, the test macro of CT slip-ring device comprises a voltage source 30 and a voltage measurement unit 40.
Wherein, when the test macro of CT slip-ring device is used for measuring slip-ring device High Rotation Speed, brush 10 the beating with respect to guide rail 20 of causing due to the convex-concave on guide rail 20 surfaces.Voltage source 30 is serially connected with brush 10, and voltage source 30 can provide a DC voltage, and this DC voltage is applied on brush 10 and guide rail 20.Also can as required voltage source 30 be serially connected with to guide rail 20, and voltage source does not limit to and direct voltage source.
When CT slip-ring device High Rotation Speed, due to the lip-deep convex-concave of guide rail 20, brush 10 produces with respect to the beating of guide rail 20, thereby brush 10 and the direct contact resistance of guide rail 20 are increased, and increases thus the voltage drop of voltage source 30 on brush 10 and guide rail 20.Voltage detection unit 40 can accurately detect and reflect intuitively the voltage between brush 10 and guide rail 20.Can judge exactly thus whether brush beats with respect to guide rail, thereby judge whether the surface of guide rail exists convex-concave.The test macro of CT slip-ring device, measuring accuracy is high, and test result readability directly perceived.
Fig. 2 is used for the structural representation of other exemplary embodiment of test macro that CT slip-ring device is described.As shown in the figure, slip-ring device comprises 7 guide rails 20, in order clearly to describe each guide rail, in figure, with 20a, 20b, 20c, 20d, 20e, 20f and 20g, distinguishes these guide rails.Each guide rail 20 is provided with two brushes 10, and each brush 10 has an incoming end 12.The test macro of CT slip-ring device comprises 7 access switches 60, accesses switch 60 for double-point double-throw switch in embodiment shown in the figure.Double-point double-throw switch 60 has two the first contact jaws 62 and two the second contact jaws 64.The first contact jaw 62 can be electrically connected at respectively voltage source 30 or earth potential, the thus electric connection of control brush and voltage source.The second contact jaw 64 can be electrically connected at respectively the contact jaw 12 of brush 10.Oscillograph 40 can be parallel to each guide rail and on brush, thereby detect and show the change in voltage of each guide rail between brush.
As shown in Figure 2, when need to detect between guide rail 20a and brush 10 voltage time, the first contact jaw 62 of the double-point double-throw switch 60 corresponding with guide rail 20a is in position shown in figure, thereby makes the brush 10 on guide rail 20a be electrically connected at voltage source 30.Corresponding to the first residing position of contact jaw 62 of the double-point double-throw switch of other guide rails, brush on these guide rails is disconnected and the electric connection of voltage source.The testing result now showing on oscillograph 40 only shows the voltage between guide rail 20a and its power up brush 10, can judge that thus whether guide rail 20a is qualified.
As shown in Figure 2, when need to detect between guide rail 20b and brush 10 voltage time, the first contact jaw 62 of the double-point double-throw switch 60 corresponding with guide rail 20b is in the position shown in figure, thereby makes the brush 10 of guide rail 20b be electrically connected at voltage source 30.Corresponding to the first residing position of contact jaw 62 of the double-point double-throw switch of other guide rails, brush on these guide rails is disconnected and the electric connection of voltage source.The testing result now showing on oscillograph 40 only shows the voltage between guide rail 20b and its power up brush 10, can judge that thus whether guide rail 20b is qualified.
For the testing process of guide rail 20c, 20d, 20e, 20f and 20g, approximate with foregoing description, do not repeat them here.
As shown in Figure 2, the test macro of CT slip-ring device comprises a test resistance 50.Test resistance 50 is serially connected between voltage source 30 and brush 10, makes voltage source 30 provide a suitable big or small electric current by brush and guide rail.
Because by brush by alloy fiber, formed, there is certain viscosity, hardness and elastic force in order to ensure brush can jump up when encountering rough guide level, test macro has comprised the conduction shrink sleeve 16 (only schematically having marked one of them in figure) that is sheathed on brush 10, and their quantity is corresponding with the quantity of brush.
The utility model also provides the method for testing of CT slip-ring device.Fig. 3 is used for the testing process of the method for testing that CT slip-ring device is described.As shown in Figure 3, in step S10, apply a test voltage on brush and guide rail.Then enter step S20.
In step S20, CT slip-ring device starts high-speed rotation, thereby makes brush with respect to guide rail movement, now measures the touch voltage between brush and guide rail.Then enter step S30.
In step S30, relatively touch voltage value and a preset value, judge that guide rail is defective, otherwise guide rail is qualified, then process ends if touch voltage value is greater than preset value.Wherein, preset value is a test measurements, and in preset value, brush can not cause loss of data or the delay of CT with respect to beating of guide rail.
The application discloses a kind of test macro of CT slip-ring device, for measuring the brush of CT slip-ring device beating with respect to the guide rail of CT slip-ring device.It comprises a voltage source and a voltage measurement unit.Voltage source is serially connected with brush, and it can apply a test voltage in brush and guide rail.Voltage measurement unit can private wiper and guide rail between voltage, it has a first input end and second input end, first input end can be electrically connected at brush, and the second input end can be electrically connected at guide rail.The test macro of CT slip-ring device, measuring accuracy is high, and test result readability directly perceived.
Be to be understood that, although this instructions is described according to each embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present utility model; they are not in order to limit protection domain of the present utility model; allly do not depart from equivalent embodiment or the change that the utility model skill spirit is done; as the combination of feature, cut apart or repeat, within all should being included in protection domain of the present utility model.
Claims (6)
1. a test macro for CT slip-ring device, for measuring the brush (10) of CT slip-ring device with respect to the beating of the guide rail (20) of CT slip-ring device, described test macro comprises:
One can be serially connected with the voltage source (30) of described brush, and it can apply a test voltage in described brush (10) and described guide rail (20); With
Can test the voltage measurement unit (40) of voltage between described brush (10) and described guide rail (20) for one, it has a first input end (42) and second input end (44), described first input end (42) can be electrically connected at described brush (10), and described the second input end (44) can be electrically connected at described guide rail (20).
2. test macro as claimed in claim 1, wherein said test macro comprises a test resistance (50), it is serially connected with between described voltage source (30) and described brush (10).
3. test macro as claimed in claim 1, wherein said test macro comprises a conduction shrink sleeve (16) that is sheathed on described brush.
4. test macro as claimed in claim 1, wherein said voltage measurement unit (40) is oscillograph.
5. test macro as claimed in claim 1, wherein said test macro comprises a plurality of access switches (60), described access switch (60) is serially connected with described brush (10), and described access switch (60) can be switched on or switched off the electric connection of described brush (10) and described voltage source (30).
6. test macro as claimed in claim 5, wherein said access switch (60) is double-point double-throw switch, this double-point double-throw switch has two the first contact jaws (62) and two the second contact jaws (64), described the first contact jaw (62) can be electrically connected at described voltage source (30) or an earth potential, and described the second contact jaw (64) can be electrically connected at the incoming end (12) of described brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758748.9U CN203587721U (en) | 2013-11-26 | 2013-11-26 | Test system of CT slip ring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758748.9U CN203587721U (en) | 2013-11-26 | 2013-11-26 | Test system of CT slip ring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587721U true CN203587721U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320758748.9U Expired - Lifetime CN203587721U (en) | 2013-11-26 | 2013-11-26 | Test system of CT slip ring device |
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| Country | Link |
|---|---|
| CN (1) | CN203587721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361624A (en) * | 2019-07-22 | 2019-10-22 | 深圳市奋达科技股份有限公司 | A kind of circuit and method detecting rotary connector |
| CN112198378A (en) * | 2020-09-07 | 2021-01-08 | 上海联影医疗科技股份有限公司 | Slip ring fault detection device and method |
-
2013
- 2013-11-26 CN CN201320758748.9U patent/CN203587721U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361624A (en) * | 2019-07-22 | 2019-10-22 | 深圳市奋达科技股份有限公司 | A kind of circuit and method detecting rotary connector |
| CN112198378A (en) * | 2020-09-07 | 2021-01-08 | 上海联影医疗科技股份有限公司 | Slip ring fault detection device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Yinping Inventor after: Liu Shansong Inventor after: Shi Guochang Inventor after: Zhang Xiang Inventor after: H. Reep Inventor after: T. Sartre Inventor before: Feng Yinping Inventor before: Liu Shansong Inventor before: Shi Guochang Inventor before: Zhang Xiang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FENG YINPING LIU SHANSONG SHI GUOCHANG ZHANG XIANG TO: FENG YINPING LIU SHANSONG SHI GUOCHANG ZHANG XIANG LEIPU H. SUTTER T. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |