CN208257081U - A kind of low cost CT slip ring - Google Patents
A kind of low cost CT slip ring Download PDFInfo
- Publication number
- CN208257081U CN208257081U CN201820609992.1U CN201820609992U CN208257081U CN 208257081 U CN208257081 U CN 208257081U CN 201820609992 U CN201820609992 U CN 201820609992U CN 208257081 U CN208257081 U CN 208257081U
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- China
- Prior art keywords
- circuit board
- side circuit
- slip ring
- channel
- low cost
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- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000012212 insulator Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 239000011889 copper foil Substances 0.000 claims description 12
- 241000826860 Trapezium Species 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000004891 communication Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of low cost CT slip ring, including carbon brush component and insulator, the insulator is equipped with annular groove, and the annular groove is embedded with multiple concentric metal circuits, and the carbon brush component and the metal circuit are in close contact；The metal circuit is power road, and the circumference side of the insulator is provided with rotor-side circuit board, the stator side circuit board that can be wirelessly transferred with its signal is provided on the outside of the rotor-side circuit board.By reducing the communication channel in metal circuit, communication channel is replaced using no Radio Transmission Technology, not only reduce overall weight, the manufacturing cost of CT slip ring, and reduce the metal powder dust quantity that friction is fallen, m of e cost is reduced to a certain extent, improves the subsequent scalability of product.
Description
Technical field
The utility model relates to CT slip ring field more particularly to a kind of low cost CT slip rings.
Background technique
CT slip ring is the super-large diameter disc-type slide ring for applying to CT industry, electric between rotary detector and scanning support to realize
The reliable transmission of the data such as power power supply, control signal, image and CAN bus communication.The basic structure of CT slip ring is multiple same
The metal circuit of the heart is embedded on the insulator with annular groove, and with the continuous development of medical technology, the function of CT system is more next
More, the size of CT machine constantly extends, it is desirable that the signal of transmission is more and more, and just the size to CT slip ring and signal transmission mention for this
New requirement is gone out.
Existing CT slip ring is divided into stationary part and rotating part, and stationary part refers to the carbon brush group being fixed on scanning support
Part, rotating part refer to that multiple metal circuits and insulator, metal circuit are divided into power road and communication channel again.When CT slip ring operates
When, carbon brush component and metal circuit are in close contact, and realize the electrical connection of rotating part and stationary part.Wherein, radioactive source
Power supply realized by the CONTACT WITH FRICTION of power road and carbon brush component, and the transmission of the signal of detection system is rubbed by communication channel and carbon brush component
It wipes contact to realize, and transmits a signal to external image re-construction system.
There are the following problems in use for above-mentioned CT slip ring: 1, multiple concentric metal circuits of existing CT slip ring are divided into
Power road and communication channel, multiple metal circuits are embedded on the insulator with annular groove simultaneously, cause CT slip ring overall weight compared with
Greatly, and manufacture not easy to be processed；2, it when signal transmission fault occurs in CT slip ring, needs to tear open machine while checking all signal circuits,
Lead to cost of equipment maintenance height, difficult realization；3, metal circuit is more, and the contact area of metal circuit and brush is larger, is also easy to produce gold
Belong to dust, needs periodically to tear machine maintenance open；The signal circuit of 4 existing CT slip rings uses Design of Mechanical Structure, subsequent expansion
It is not high.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide a kind of CT slip rings, are replaced with wireless signal transmission
Metal circuit transmits signal, reduces CT slip ring weight and manufacturing cost.
In order to reach the goals above, the technical solution adopted in the utility model is: a kind of low cost CT slip ring, including carbon brush
Component and insulator, the insulator are equipped with annular groove, and the annular groove is embedded with multiple concentric metal circuits, the carbon brush group
Part and the metal circuit are in close contact；The metal circuit is power road, and the circumference side of the insulator is provided with rotor
Lateral circuit plate, the rotor-side circuit board outside are provided with the stator side circuit board that can be wirelessly transferred with its signal.
The utility model replaces communication channel by reducing the communication channel in metal circuit, using no Radio Transmission Technology, no
It reduced by only overall weight, the manufacturing cost of CT slip ring, and reduce the metal powder dust quantity that friction is fallen, to a certain degree
On reduce m of e cost, improve the subsequent scalability of product.
Preferably, the copper foil on the rotor-side circuit board and the copper foil on the stator side circuit board form a pair of non-connect
Touch electric field coupled antennas, for by rotor-side circuit board control signal and picture signal be transferred to stator side circuit board.
It is that dislocation isolation is distributed on the copper foil on the rotor-side circuit board as further improvement of the utility model
Control channel and image transmitting channel, and be in the axial direction concentric structure, it is in radial directions trapezium structure；It is described
Reception channel corresponding with control channel and image transmitting channel is provided on copper foil on stator side circuit board, and in axial direction
It is concentric structure on direction, is in radial directions trapezium structure.Convenient for being interfered with each other between signal path.
Furthermore, it is understood that the control channel and the distribution of image transmitting channel spacing.Convenient for mutually dry between signal path
It disturbs.
Furthermore, it is understood that the quantity of the control channel is two, the quantity of described image transmission channel is one, described
Control channel and image transmitting combination of channels form " concave shape " structure；Corresponding reception channel on the stator side circuit board
In " convex shape " structure.Convenient for interfere with each other the channel in the channel for controlling signal and image transmitting will not.
Preferably, the differential signal spacing between the control channel and image transmitting channel is 1mm, for meeting difference
Signal instructions.
Preferably, the spacing between the rotor-side circuit board and the stator side circuit board be 2mm, convenient for two copper foils it
Between form a pair of non-contact electric field coupled antennas.
Detailed description of the invention
Fig. 1 is the main view of the utility model embodiment；
Fig. 2 is the cross-sectional view of the utility model embodiment；
Fig. 3 is that non-contact control signal transmits block diagram in the utility model embodiment；
Fig. 4 is non-contact image transmitting block diagram in the utility model embodiment.
In figure:
1- insulator；2- power road；3- stator side circuit board；4- image transmitting channel；5- control channel；6- rotor-side electricity
Road plate.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Embodiment
Referring to shown in attached drawing 1, Fig. 2, one of the present embodiment low cost CT slip ring, including carbon brush component and insulator 1,
The insulator 1 is equipped with annular groove, and the annular groove is embedded with multiple concentric metal circuits, the carbon brush component and the metal
Circuit is in close contact；The metal circuit is power road 2, and the circumference side of the insulator 1 is provided with rotor-side circuit board 6,
The stator side circuit board 3 that can be wirelessly transferred with its signal is provided on the outside of the rotor-side circuit board 6.Above-mentioned rotor lateral circuit
Wireless transmission channel is formed between plate 6 and stator side circuit board 3, is the copper on the rotor-side circuit board 6 by the way of
Copper foil on foil and the stator side circuit board 3 forms a pair of non-contact electric field coupled antennas, is used for rotor-side circuit board 6
Control signal and picture signal be transferred on stator side circuit board 3.
It is interfered with each other between signal in order to prevent, control is distributed in dislocation isolation on the copper foil on the rotor-side circuit board 6
Channel 5 and image transmitting channel 4 processed, and be in the axial direction concentric structure, it is in radial directions trapezium structure；It is described
Reception channel corresponding with control channel and image transmitting channel is provided on copper foil on stator side circuit board 3, it is above-mentioned to connect
Collection of letters road is also in the axial direction concentric structure, is in radial directions trapezium structure.In the present embodiment, the control is logical
The spacing of adjacent differential channel meets differential signal rule between road 5 and image transmitting channel 4, related to the rate of signal,
The differential signal spacing that present case uses is 1mm；The control channel 5 and image transmitting channel 4 are spaced apart, in which: described
The quantity of control channel 5 is two, and the quantity of described image transmission channel 1 is one, and the control channel 5 and image transmitting are logical
The combination of road 1 forms " concave shape " structure；Corresponding reception channel is in " convex shape " structure on the stator side circuit board 3.On
State that control channel 5, image transmitting channel 1 are corresponding with channel is received, convenient for making the logical of the channel for controlling signal and image transmitting
Road will not interfere with each other.
In conjunction with shown in Fig. 3, Fig. 4, in the present embodiment, non contact signal transmission includes two control channels and an image
Transmission channel, the spacing between the rotor-side circuit board 6 and the stator side circuit board 3 are 2mm, two neighbours in this structure
A pair of non-contact electric field coupled antennas of two formation, the control signal on rotor-side circuit board 6 is by the electric field coupling in present case
Antenna is closed, bipolarity spike signal is become；Bipolarity spike signal is restored electricity by signal by stator side circuit board 3
Road is transformed into square-wave signal.
Non-contact image transmitting: optical image fibers signal is converted to square-wave signal by the optical module on rotor-side circuit board 6, is driven
Dynamic amplifier chip amplifies the energy of signal, and in order to reduce loss of signal, signal passes through the processing of preemphasis circuit.Pass through figure
As transmission channel, the signal of receiving end is pulse signal, and by signal equalization circuit and post amplifier, signal is improved
At digital signal, chip is restored according to data shaping and is converted to signal shaping by optical module at the signal of fixed specification protocol
Fiber-optic signal.
Non-contact control transmission: control signal will improve its driving capability by signal amplifier, through overvoltage coupling side
Formula is converted to double polarity pulse signal, and stator side receiving portion is adjusted to NRZ by signal equalization circuit and limiting amplifier
Signal reproduces the fiduciary level signal data that blowing machine controls signal data by signal recovery circuitry.
The utility model replaces communication channel by reducing the communication channel in metal circuit, using no Radio Transmission Technology, no
It reduced by only overall weight, the manufacturing cost of CT slip ring, and reduce the metal powder dust quantity that friction is fallen, to a certain degree
On reduce m of e cost, improve the subsequent scalability of product.
Embodiment of above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with this skill
The people of art understands the content of the utility model and is implemented, and does not limit the protection scope of the present invention, and all
According to the equivalent change or modification that the spirit of the present invention is substantially done, should all cover within the protection scope of the present utility model.
Claims (7)
1. a kind of low cost CT slip ring, including carbon brush component and insulator, the insulator is equipped with annular groove, and the annular groove is embedded
There are multiple concentric metal circuits, the carbon brush component and the metal circuit are in close contact；It is characterized by: the becket
Road is power road, and the circumference side of the insulator is provided with rotor-side circuit board, setting on the outside of the rotor-side circuit board
There is the stator side circuit board that can be wirelessly transferred with its signal.
2. low cost CT slip ring according to claim 1, it is characterised in that: copper foil and institute on the rotor-side circuit board
It states the copper foil on stator side circuit board and forms a pair of non-contact electric field coupled antennas.
3. low cost CT slip ring according to claim 2, it is characterised in that: wrong on the copper foil on the rotor-side circuit board
Position isolation control channel and image transmitting channel is distributed with, and in the axial direction be concentric structure, in radial directions for
Trapezium structure；Reception corresponding with control channel and image transmitting channel is provided on copper foil on the stator side circuit board
Channel, and be in the axial direction concentric structure, it is in radial directions trapezium structure.
4. low cost CT slip ring according to claim 3, it is characterised in that: the control channel and image transmitting interchannel
Every distribution.
5. low cost CT slip ring according to claim 4, it is characterised in that: the quantity of the control channel is two, institute
The quantity for stating image transmitting channel is one, and the control channel and image transmitting combination of channels form " concave shape " structure；Institute
Stating corresponding reception channel on stator side circuit board is in " convex shape " structure.
6. low cost CT slip ring according to claim 5, it is characterised in that: the control channel and image transmitting channel it
Between differential signal spacing be 1mm.
7. low cost CT slip ring according to claim 2, it is characterised in that: the rotor-side circuit board and the stator side
Spacing between circuit board is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820609992.1U CN208257081U (en) | 2018-04-26 | 2018-04-26 | A kind of low cost CT slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820609992.1U CN208257081U (en) | 2018-04-26 | 2018-04-26 | A kind of low cost CT slip ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257081U true CN208257081U (en) | 2018-12-18 |
Family
ID=64637213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820609992.1U Active CN208257081U (en) | 2018-04-26 | 2018-04-26 | A kind of low cost CT slip ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208257081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418065A (en) * | 2018-04-26 | 2018-08-17 | 嘉兴恩碧技电气有限公司 | A kind of low cost CT slip rings |
-
2018
- 2018-04-26 CN CN201820609992.1U patent/CN208257081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418065A (en) * | 2018-04-26 | 2018-08-17 | 嘉兴恩碧技电气有限公司 | A kind of low cost CT slip rings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314000 No.69 Tianshu Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Enbi Technology Innovation Technology Co.,Ltd. Country or region after: China Address before: Room 401, Building No. 36, Changsheng South Road, Jiaxing Economic and Technological Development Zone, Zhejiang 314000 Patentee before: JIAXING ENBIJI ELECTRIC CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |