CN109632083A - A kind of device of noise in calculating CT images - Google Patents
A kind of device of noise in calculating CT images Download PDFInfo
- Publication number
- CN109632083A CN109632083A CN201811539504.5A CN201811539504A CN109632083A CN 109632083 A CN109632083 A CN 109632083A CN 201811539504 A CN201811539504 A CN 201811539504A CN 109632083 A CN109632083 A CN 109632083A
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- China
- Prior art keywords
- noise
- telescopic rod
- calculating
- sliding block
- bottom plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention discloses a kind of devices of the noise in calculating CT images, including bottom plate, the side of the bottom plate is set there are four equally distributed castor, and the upper surface of bottom plate is equipped with support frame, the stripe board side of support frame as described above is equipped with sliding slot, the upper surface of the stripe board is equipped with the strip-shaped hole being connected to sliding slot, the inside of the sliding slot is equipped with fixing seat, the sliding block of the fixing seat is slidably connected with sliding slot, adjusting bracket is equipped in the middle part of the side of first telescopic rod fixing end of support frame as described above, the telescopic end of the second telescopic rod of the adjusting bracket and the side of sliding block are equipped with deck.The device of noise in the calculating CT images, structure is simple, conveniently moving, it is adjustable, calculating can be measured to the noise of CT machine different location, while the noise that can be generated to avoid CT machine internal measurement equipment to CT machine impacts, it is possible to reduce measurement error, it is easy to use to improve the accuracy of measurement result.
Description
Technical field
The present invention relates to noise calculation technical field, specially a kind of device for calculating the noise in CT images.
Background technique
CT scan, it is X-ray beam, gamma-rays, the ultrasonic wave etc. using Accurate collimation, with sensitivity pole
Profile scanning one by one is made at a certain position that high detector surrounds human body together, has sweep time fast, image is clear
The features such as clear, can be used for the inspection of a variety of diseases, in CT image quality evaluation, need there are many amount measure, such as make an uproar
Sound, high contrast resolution ratio, low contrast resolution, modulation transfer function, tomography thickness, dose of radiation etc., and all this
Tittle changes with the condition of operator's selection, and in factor item by item, noise is an important ginseng for evaluating CT images quality
Number, it is therefore desirable to calculating measurement be carried out to noise size, existing noise testing mode is mainly to pass through the included equipment of CT machine
It is detected, but this detection mode, in measurement, the factor for measuring equipment itself can cause shadow to the noise of CT machine generation
It rings, thus cause measurement error larger, measurement result inaccuracy.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of dress for calculating the noise in CT images
It sets, structure is simple, conveniently moving, and it is adjustable, calculating can be measured to the noise of CT machine different location, while can keep away
Exempt from the noise that CT machine internal measurement equipment generates CT machine to impact, it is possible to reduce measurement error, to improve measurement result
Accuracy, it is easy to use, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of device for calculating the noise in CT images, packet
Include bottom plate, the side of the bottom plate sets that there are four equally distributed castors, and the upper surface of bottom plate is equipped with support frame, the support
The stripe board side of frame is equipped with sliding slot, and the upper surface of the stripe board is equipped with the strip-shaped hole being connected to sliding slot, the sliding slot it is interior
Portion is equipped with fixing seat, and sliding block and the sliding slot of the fixing seat are slidably connected, the side of the first telescopic rod fixing end of support frame as described above
Middle face is equipped with adjusting bracket, and the telescopic end of the second telescopic rod of the adjusting bracket and the side of sliding block are equipped with deck, and second
The telescopic end and sliding block of telescopic rod are fixedly connected with the snap-gauge of deck, and the card slot internal activity of the deck is connected with noise
Meter.
As a preferred technical solution of the present invention, support frame as described above includes the first telescopic rod, first telescopic rod
Fixing end be fixedly connected with the upper surface of bottom plate, and the side upper end of the first telescopic rod fixing end be equipped with the first tightening knob,
The telescopic end of first telescopic rod is equipped with stripe board.
As a preferred technical solution of the present invention, the fixing seat includes sliding block, and the upper surface of the sliding block is equipped with
Screw rod, the screw rod are slidably connected with strip-shaped hole, and are threaded with location nut in the middle part of the side of screw rod, the screw rod it is upper
Surface is equipped with handle.
As a preferred technical solution of the present invention, the adjusting bracket includes adjustable plate, the upper surface of the adjustable plate
If there are two symmetrically arranged through-hole, and adjustable plate is clamped by the fixing end activity of through-hole and the first telescopic rod, the adjusting
Plate and the screw hole internal whorl of through-hole corresponding side surface are connected with fastening bolt, and the side of the adjusting bracket is fixed with the second telescopic rod
It is fixedly connected in the middle part of the side at end, the side right end of the second telescopic rod fixing end is equipped with the second tightening knob.
As a preferred technical solution of the present invention, the deck includes snap-gauge, and the side of the snap-gauge is equipped with sponge
Pad, and the right side of snap-gauge is equipped with rectangular channel, the left side of the rectangular channel is equipped with card slot.
Compared with prior art, the beneficial effects of the present invention are: the device of the noise in this calculating CT images, can pass through
The position of stripe board is adjusted in first telescopic rod, is adjusted, is convenient for convenient for the height indirectly to two noise meters in upside
The detection of CT machine difference channel noise；Can be mobile by handle grip movable slider, and can with rotational positioning nut to sliding block into
Row is fixed, and steady noise meter is played the role of；Adjustable plate, and adjustable second telescopic rod can be moved along the first telescopic rod
Length detected so that the noise meter position to downside is adjusted convenient for the different location to CT machine；It can be to noise
Meter is clamped, while reducing the influence that external environment generates noise meter；The entire device for calculating the noise in CT images, knot
Structure is simple, conveniently moving, adjustable, can measure calculating to the noise of CT machine different location, while can be to avoid CT
The noise that machine internal measurement equipment generates CT machine impacts, it is possible to reduce measurement error, to improve the standard of measurement result
True property, it is easy to use.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1 bottom plate, 2 castors, 3 support frames, 31 first telescopic rods, 32 first tightening knobs, 33 stripe boards, 4 sliding slots, 5
Strip-shaped hole, 6 fixing seats, 61 sliding blocks, 62 location nuts, 63 screw rods, 64 handles, 7 adjusting brackets, 71 adjustable plates, 72 fastening bolts, 73
Second telescopic rod, 74 second tightening knobs, 8 decks, 81 snap-gauges, 82 rectangular channels, 83 card slots, 84 sponges covers, 9 noise meters.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of device calculating the noise in CT images, including bottom
Plate 1, the side of bottom plate 1 are set there are four equally distributed castor 2, and the upper surface of bottom plate 1 is equipped with support frame 3, and support frame 3 includes
The fixing end of first telescopic rod 31, the first telescopic rod 31 is fixedly connected with the upper surface of bottom plate 1, and 31 fixing end of the first telescopic rod
Side upper end be equipped with the first tightening knob 32, the telescopic end of the first telescopic rod 31 is equipped with stripe board 33, can stretch by first
The position of stripe board 33 is adjusted in contracting bar 31, is adjusted convenient for the height indirectly to two noise meters 9 in upside, is convenient for CT
The detection of machine difference channel noise, 33 side of stripe board of support frame 3 are equipped with sliding slot 4, and the upper surface of stripe board 33 is equipped with and cunning
The strip-shaped hole 5 that slot 4 is connected to, the inside of sliding slot 4 are equipped with fixing seat 6, and fixing seat 6 includes sliding block 61, and the upper surface of sliding block 61 is equipped with
Screw rod 63, screw rod 63 are slidably connected with strip-shaped hole 5, and are threaded with location nut 62, screw rod 63 in the middle part of the side of screw rod 63
Upper surface be equipped with handle 64, can be mobile with movable slider 61 by handle 64, and can be with rotational positioning nut 62 to sliding block
61 are fixed, and play the role of steady noise meter 9, and sliding block 61 and the sliding slot 4 of fixing seat 6 are slidably connected, device are moved to
CT pusher side face, adjusts the height of the first telescopic rod 31, and the position for making two decks 8 of upside need to measure with CT machine is concordant,
It rotates the first tightening knob 32 the first telescopic rod 31 is fixed, sliding block 61,61 band of sliding block 4 is moved along the chute by handle 63
Dynamic snap-gauge 81 is mobile, when snap-gauge 81 is moved to the position that CT machine needs to measure, rotational positioning nut 62, and make location nut 62
It is contacted with the upper surface of stripe board 33, move sliding block 61 can not, in the middle part of the side of 31 fixing end of the first telescopic rod of support frame 3
Equipped with adjusting bracket 7, adjusting bracket 7 includes adjustable plate 71, and the upper surface of adjustable plate 71 sets that there are two symmetrically arranged through-holes, and adjusts
Plate 71 is clamped by the fixing end activity of through-hole and the first telescopic rod 31, spiral shell inside the screw hole of adjustable plate 71 and through-hole corresponding side surface
Line is connected with fastening bolt 72, is fixedly connected in the middle part of the side of adjusting bracket 7 and the side of 73 fixing end of the second telescopic rod, second stretches
The side right end of 73 fixing end of contracting bar is equipped with the second tightening knob 74, can move adjustable plate 71 along the first telescopic rod 31, and
The length of adjustable second telescopic rod 73, so that 9 position of noise meter to downside is adjusted, convenient for the different positions to CT machine
It sets and is detected, move adjustable plate 71 along the first telescopic rod 31, adjustable plate 71 is fixed in rotation fastening bolt 72, adjusts the
The length of two telescopic rods 73, and rotate the second tightening knob 74 and second telescopic rod 73 is fixed, the second of adjusting bracket 7 is flexible
The telescopic end of bar 73 and the side of sliding block 61 are equipped with deck 8, and the telescopic end of the second telescopic rod 73 and sliding block 61 with deck 8
Snap-gauge 81 be fixedly connected, deck 8 includes snap-gauge 81, and the side of snap-gauge 81 is equipped with foam-rubber cushion 84, and the right side of snap-gauge 81 is set
There is rectangular channel 82, the left side of rectangular channel 82 is equipped with card slot 83, can be clamped to noise meter 9, while reducing external environment
To the influence that noise meter 9 generates, 83 internal activity of card slot of deck 8 is connected with noise meter 9, opens noise meter 9, and by noise meter
9 are clamped with card slot 83, then mobile device, and contact the right end of snap-gauge 81 and the side of CT machine, then open external CT machine,
And CT machine is made to work, noise meter 9 after the completion of detection, takes out noise meter 9, and to the centre of noise meter 9 to CT machine is detected
The measurement data of a period of time compares calculating, and the model SDL600 data record noise meter of noise meter 9 entirely calculates CT
The device of noise on image, structure is simple, conveniently moving, adjustable, can survey to the noise of CT machine different location
Amount calculates, while the noise that can be generated to avoid CT machine internal measurement equipment to CT machine impacts, it is possible to reduce measurement error,
It is easy to use to improve the accuracy of measurement result.
When in use: device being moved to CT pusher side face, adjusts the height of the first telescopic rod 31, and makes two of upside
Deck 8 is concordant with the position that CT machine needs to measure, and the first telescopic rod 31 is fixed in the first tightening knob 32 of rotation, passes through handle
4 mobile sliding block 61, sliding block 61 drive snap-gauge 81 mobile to hand 63 along the chute, when snap-gauge 81 is moved to the position that CT machine needs to measure
When, rotational positioning nut 62, and location nut 62 and the upper surface of stripe board 33 are contacted, it move sliding block 61 can not, along
One telescopic rod 31 moves adjustable plate 71, and adjustable plate 71 is fixed in rotation fastening bolt 72, adjusts the length of the second telescopic rod 73
Degree, and rotate the second tightening knob 74 and second telescopic rod 73 is fixed, noise meter 9 is then opened, and by noise meter 9 and block
Slot 83 is clamped, then mobile device, and contacts the right end of snap-gauge 81 and the side of CT machine, then opens external CT machine, and make
The work of CT machine, noise meter 9 is to detecting CT machine, after the completion of detection, takes out noise meter 9, and to one section of the centre of noise meter 9
The measurement data of time compares calculating.
The present invention can be adjusted the position of stripe board 33 by the first telescopic rod 31, convenient for indirectly to upside two
The height of noise meter 9 is adjusted, convenient for the detection of CT machine difference channel noise；It can be moved by handle 64 with movable slider 61
It is dynamic, and sliding block 61 can be fixed with rotational positioning nut 62, play the role of steady noise meter 9；It can be stretched along first
Contracting bar 31 moves adjustable plate 71, and the length of adjustable second telescopic rod 73, so that 9 position of noise meter to downside carries out
It adjusts, is detected convenient for the different location to CT machine；Noise meter 9 can be clamped, while reduce external environment to making an uproar
The influence that sound meter 9 generates；The entire device for calculating the noise in CT images, structure is simple, conveniently moving, adjustable, can
Calculating, while the noise that can be generated to avoid CT machine internal measurement equipment to CT machine are measured to the noise of CT machine different location
It impacts, it is possible to reduce measurement error, so that the accuracy of measurement result is improved, it is easy to use.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of device for calculating the noise in CT images, including bottom plate (1), it is characterised in that: the side of the bottom plate (1) is set
There are four equally distributed castor (2), and the upper surface of bottom plate (1) is equipped with support frame (3), the stripe board of support frame as described above (3)
(33) side is equipped with sliding slot (4), and the upper surface of the stripe board (33) is equipped with the strip-shaped hole (5) being connected to sliding slot (4), the cunning
The inside of slot (4) is equipped with fixing seat (6), and sliding block (61) and the sliding slot (4) of the fixing seat (6) are slidably connected, support frame as described above
(3) adjusting bracket (7) are equipped in the middle part of the side of the first telescopic rod (31) fixing end, the second telescopic rod of the adjusting bracket (7)
(73) side of telescopic end and sliding block (61) is equipped with deck (8), and the telescopic end of the second telescopic rod (73) and sliding block (61)
It is fixedly connected with the snap-gauge (81) of deck (8), card slot (83) internal activity of the deck (8) is connected with noise meter (9).
2. a kind of device for calculating the noise in CT images according to claim 1, it is characterised in that: support frame as described above
(3) including the first telescopic rod (31), the fixing end of first telescopic rod (31) is fixedly connected with the upper surface of bottom plate (1), and
The side upper end of the first telescopic rod (31) fixing end is equipped with the first tightening knob (32), the telescopic end of first telescopic rod (31)
Equipped with stripe board (33).
3. a kind of device for calculating the noise in CT images according to claim 1, it is characterised in that: the fixing seat
It (6) include sliding block (61), the upper surface of the sliding block (61) is equipped with screw rod (63), and the screw rod (63) and strip-shaped hole (5) are slided
Connection, and be threaded with location nut (62) in the middle part of the side of screw rod (63), the upper surface of the screw rod (63) is equipped with handle
(64).
4. a kind of device for calculating the noise in CT images according to claim 1, it is characterised in that: the adjusting bracket
It (7) include adjustable plate (71), the upper surface of the adjustable plate (71) is set there are two symmetrically arranged through-hole, and adjustable plate (71) is logical
The fixing end activity for crossing through-hole and the first telescopic rod (31) is clamped, inside the screw hole of the adjustable plate (71) and through-hole corresponding side surface
It is threaded with fastening bolt (72), it is solid in the middle part of the side of the adjusting bracket (7) and the side of the second telescopic rod (73) fixing end
The side right end of fixed connection, the second telescopic rod (73) fixing end is equipped with the second tightening knob (74).
5. a kind of device for calculating the noise in CT images according to claim 1, it is characterised in that: the deck (8)
Including snap-gauge (81), the side of the snap-gauge (81) is equipped with foam-rubber cushion (84), and the right side of snap-gauge (81) is equipped with rectangular channel
(82), the left side of the rectangular channel (82) is equipped with card slot (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539504.5A CN109632083A (en) | 2018-12-17 | 2018-12-17 | A kind of device of noise in calculating CT images |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539504.5A CN109632083A (en) | 2018-12-17 | 2018-12-17 | A kind of device of noise in calculating CT images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109632083A true CN109632083A (en) | 2019-04-16 |
Family
ID=66074631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539504.5A Pending CN109632083A (en) | 2018-12-17 | 2018-12-17 | A kind of device of noise in calculating CT images |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109632083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339823A (en) * | 2022-09-16 | 2022-11-15 | 江西绿萌科技控股有限公司 | Vegetables and fruits conveyer |
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| JP2005315681A (en) * | 2004-04-28 | 2005-11-10 | Nsk Ltd | Bearing test equipment |
| CN102128676A (en) * | 2010-12-22 | 2011-07-20 | 汕头大学 | Toy noise detection profiling mechanism |
| CN203745078U (en) * | 2014-03-04 | 2014-07-30 | 奇瑞汽车股份有限公司 | Test bracket used for testing vibration noise of automobile fuel pump and fuel tank assembly |
| CN104434149A (en) * | 2013-09-17 | 2015-03-25 | 上海联影医疗科技有限公司 | Traveling-type robot lifting device and medical photography system |
| CN207147437U (en) * | 2017-07-03 | 2018-03-27 | 翔鹰航空工业有限公司 | A kind of three-coordinates measuring machine |
| CN108020316A (en) * | 2017-11-03 | 2018-05-11 | 天威保变(合肥)变压器有限公司 | A kind of sound level test measurement device |
| CN207741851U (en) * | 2018-01-16 | 2018-08-17 | 青海蓝博检测科技有限公司 | A kind of noise detection device being easily installed |
| CN108871213A (en) * | 2018-05-15 | 2018-11-23 | 安徽知库云端科技服务有限公司 | A kind of electronic circuit board test detection device |
-
2018
- 2018-12-17 CN CN201811539504.5A patent/CN109632083A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315681A (en) * | 2004-04-28 | 2005-11-10 | Nsk Ltd | Bearing test equipment |
| CN102128676A (en) * | 2010-12-22 | 2011-07-20 | 汕头大学 | Toy noise detection profiling mechanism |
| CN104434149A (en) * | 2013-09-17 | 2015-03-25 | 上海联影医疗科技有限公司 | Traveling-type robot lifting device and medical photography system |
| CN203745078U (en) * | 2014-03-04 | 2014-07-30 | 奇瑞汽车股份有限公司 | Test bracket used for testing vibration noise of automobile fuel pump and fuel tank assembly |
| CN207147437U (en) * | 2017-07-03 | 2018-03-27 | 翔鹰航空工业有限公司 | A kind of three-coordinates measuring machine |
| CN108020316A (en) * | 2017-11-03 | 2018-05-11 | 天威保变(合肥)变压器有限公司 | A kind of sound level test measurement device |
| CN207741851U (en) * | 2018-01-16 | 2018-08-17 | 青海蓝博检测科技有限公司 | A kind of noise detection device being easily installed |
| CN108871213A (en) * | 2018-05-15 | 2018-11-23 | 安徽知库云端科技服务有限公司 | A kind of electronic circuit board test detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339823A (en) * | 2022-09-16 | 2022-11-15 | 江西绿萌科技控股有限公司 | Vegetables and fruits conveyer |
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Application publication date: 20190416 |