CN116725562A - Stepless regulation filter device and X-ray equipment - Google Patents
Stepless regulation filter device and X-ray equipment Download PDFInfo
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- CN116725562A CN116725562A CN202311014880.3A CN202311014880A CN116725562A CN 116725562 A CN116725562 A CN 116725562A CN 202311014880 A CN202311014880 A CN 202311014880A CN 116725562 A CN116725562 A CN 116725562A
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- 238000001914 filtration Methods 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 150000002632 lipids Chemical class 0.000 claims description 9
- 238000004378 air conditioning Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 238000002591 computed tomography Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
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Abstract
The invention discloses a stepless regulation filter device and X-ray equipment, which belong to the field of medical equipment, wherein the stepless regulation filter device comprises a support component, a filter component and a drive component, the filter component comprises an upper filter disc and a lower filter disc, the lower filter disc is arranged on the support component, the upper filter disc is arranged above the lower filter disc, one sides of the upper filter disc and the lower filter disc, which face each other, are provided with inclined planes, the inclined angles of the inclined planes of the upper filter disc and the lower filter disc are consistent, and a ray bundle sequentially passes through the upper filter disc and the lower filter disc; the driving component is arranged on the supporting component, and the output end of the driving component is in transmission connection with the upper filter plate so as to drive the upper filter plate to do linear reciprocating motion along the horizontal direction, so that the sum of propagation paths of the ray bundle on the upper filter plate and the lower filter plate can be regulated. By the arrangement of the structure, the invention realizes the adjustment of the filtering thickness according to different filtering requirements.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a stepless regulation filter device and X-ray equipment.
Background
X-rays are electromagnetic waves with very short wavelength, the wavelength is about 0.01-10 nanometers, and the X-rays are generated when high-speed electron flow in a CT tube impacts a metal target, and are mainly applied to medical diagnosis.
The spectrum of X-rays is usually continuous, so the radiation components are rich, and can be classified into low-energy radiation and high-energy radiation according to the energy level, and the low-energy radiation is usually called "soft radiation", which has the disadvantage of poor penetration, and almost no X-ray imaging can be performed, thus increasing the absorption dose of the patient. In order to reduce unnecessary injury to human body caused by rays, a pre-hardening measure is generally adopted, and certain substances (such as copper sheets, aluminum sheets and the like) are used for forming a filter plate with a certain thickness, so that soft rays in the X-ray bundle are filtered. For different parts of the body, to obtain images with uniform density and reduce the radiation dose, filtering plates with different hardening degrees can be adopted, and the thickness and the materials of the filtering plates are changed, so that the aim of blocking soft rays with different energies when different parts of the body are scanned is fulfilled. Different filtering effects are achieved by replacing the filter plates with different thicknesses according to different filtering requirements, but accurate adjustment cannot be achieved by replacing the filter plates with different thicknesses, and replacement operation is inconvenient.
Disclosure of Invention
The invention aims to provide a stepless regulation filter device, which solves the technical problems that the accurate regulation cannot be realized by replacing filter plates with different thicknesses and the replacement operation is inconvenient in the prior art.
The technical scheme adopted by the invention is as follows:
a continuously adjustable filter device comprising:
a support assembly;
the filter assembly comprises an upper filter disc and a lower filter disc, the lower filter disc is arranged on the support assembly, the upper filter disc is arranged above the lower filter disc, one sides of the upper filter disc and the lower filter disc, which face each other, are provided with inclined planes, the inclined angles of the inclined planes of the upper filter disc and the lower filter disc are consistent, and a ray bundle sequentially passes through the upper filter disc and the lower filter disc; a kind of electronic device with high-pressure air-conditioning system
The driving assembly is arranged on the supporting assembly, the output end of the driving assembly is in transmission connection with the upper filter plate, so that the upper filter plate is driven to do linear reciprocating motion along the horizontal direction, and the sum of propagation paths of the ray beams on the upper filter plate and the lower filter plate is regulated.
The filtering component of the stepless regulation filtering device comprises an upper filter disc and a lower filter disc, wherein the upper filter disc is arranged above the lower filter disc, one sides of the upper filter disc and the lower filter disc, which are oriented to each other, are provided with inclined planes, the inclined angles of the inclined planes of the upper filter disc and the lower filter disc are consistent, a ray bundle sequentially passes through the upper filter disc and the lower filter disc, the output end of the driving component is in transmission connection with the upper filter disc so as to drive the upper filter disc to do linear reciprocating motion along the horizontal direction, and the sum of the propagation paths of the upper filter disc and the lower filter disc is regulated, so that stepless regulation of the filtering thickness according to different filtering requirements is realized, and regulation is more convenient.
As a preferable mode of the stepless regulation filter device, the upper filter plate is fixedly arranged on the supporting component, the lower filter plate and the upper filter plate are arranged at intervals, and a gap between the lower filter plate and the upper filter plate is filled with lipid media.
The upper filter plate and the lower filter plate are arranged at intervals, so that the arrangement mode of the stepless adjusting filter device is simplified, the manufacturing cost of the stepless adjusting filter device is reduced, and the phenomenon that the lower filter plate blocks the movement of the upper filter plate when the movement range of the upper filter plate is larger is avoided.
As a preferable scheme of the stepless regulation filtering device, the supporting component is provided with an elastic component, the lower filter disc is elastically supported on the elastic component along the vertical direction, and the upper filter disc is attached to the lower filter disc.
The elastic component is arranged in the vertical direction of the lower filter disc, when the upper filter disc is attached to the lower filter disc, the driving component drives the upper filter disc to move in the horizontal direction, so that the lower filter disc is driven to move downwards by the upper filter disc under the action of the elastic component, the adjustment of the filter thickness of the upper filter disc and the lower filter disc is realized, the obstruction of the lower filter disc to the movement of the upper filter disc is prevented, and the upper filter disc is attached to the lower filter disc, so that the filter effect and the precision are improved.
As a preferred embodiment of the stepless regulation filter device, the elastic assembly comprises:
the support frame comprises a base and a mounting rod which are connected with each other, the base is arranged on the support assembly, and the mounting rod is arranged on the lower filter disc in a penetrating way; a kind of electronic device with high-pressure air-conditioning system
The elastic piece is sleeved on the mounting rod, one end of the elastic piece is abutted to the bottom of the lower filter disc, and the other end of the elastic piece is abutted to the base.
Be provided with the support frame between elastic component and supporting component, the support frame includes base and installation pole, and the base has improved the supporting stability to the elastic component, and the installation pole provides the guide effect for the flexible of elastic component and restoration, and the effectual work efficiency who improves the elastic component of the setting of support frame has increased the stability of elastic component.
As a preferable scheme of the stepless regulation filter device, two sides of the inclined plane of the lower filter sheet are provided with flange structures, and the upper filter sheet is slidably arranged between the two flange structures.
The flange mechanisms are arranged on the two sides of the horizontal direction, so that the movement of the upper filter plate is guided, and the stability of the linear movement of the upper filter plate along the horizontal direction is improved.
As a preferred embodiment of the stepless adjustment filter device, the support assembly includes:
the first support seat is provided with a first through hole, the lower filter plate is arranged on the first support seat, and the ray bundle passes through the upper filter plate and the lower filter plate and is emitted by the first through hole; a kind of electronic device with high-pressure air-conditioning system
The second supporting seat is arranged on the first supporting seat, and the driving assembly is arranged on the first supporting seat.
The upper filter disc is supported by the first supporting seat, and the ray bundle can pass through the supporting seat by the first through hole on the supporting seat, so that the ray bundle is prevented from being blocked; the second supporting seat effectively disperses the integral pressure of the supporting component to the driving component, and improves the integral stability of the stepless regulation filter device.
As a preferable mode of the stepless regulation filter device, the upper filter sheet and the lower filter sheet are made of copper, aluminum or copper-aluminum composite materials.
The upper filter plate and the lower filter plate are made of copper, aluminum or copper-aluminum composite materials, and low-energy components in the X-ray beam can be absorbed in advance, so that the filtering effect of the filter plate on soft ray components in the X-ray beam is improved.
As a preferred embodiment of the stepless regulation filter device, the driving assembly comprises:
the driving motor is arranged on the supporting component;
the screw rod is connected with the output end of the driving motor, the driving motor drives the screw rod to rotate, and the screw rod is in threaded connection with the upper filter plate; a kind of electronic device with high-pressure air-conditioning system
The guide rod is connected with the supporting component, and the upper filter plate is arranged on the guide rod in a sliding manner.
The driving assembly is arranged on the upper filter plate to be of a thread guiding structure, and the driving assembly has the advantages of being simple in structure, reliable in connection, convenient to assemble and disassemble and the like, meanwhile, the guide rod can prevent the upper filter plate from rotating, and the upper filter plate is guaranteed to move only along the horizontal direction.
As a preferable mode of the above-described continuously-adjustable filter device, the continuously-adjustable filter device further includes: the beam limiter is arranged on the supporting component and is positioned above the upper filter plate, a second through hole is formed in the beam limiter, and the ray bundle is incident on the filter component through the second through hole.
The irradiation range of the X-ray emitter is controlled by setting the beam limiter so as to meet X-ray imaging and diagnosis.
The X-ray equipment comprises a frame, an X-ray emitter and the stepless regulation and filtration device, wherein a scanning window is arranged on the frame, the X-ray emitter and the stepless regulation and filtration device are both arranged at the top of the scanning window, and the X-ray emitter is positioned above the stepless regulation and filtration device.
The X-ray emitter and the stepless regulation filter device are arranged at the top of the scanning window, so that the whole human body is more convenient to scan, and the stepless regulation of the filter thickness according to different filter requirements is realized.
The invention has the beneficial effects that:
the invention provides a stepless regulation filter device, which comprises an upper filter plate and a lower filter plate, wherein the upper filter plate is arranged above the lower filter plate, one sides of the upper filter plate and the lower filter plate, which face each other, are provided with inclined planes, the inclined angles of the inclined planes of the upper filter plate and the lower filter plate are consistent, a ray bundle sequentially passes through the upper filter plate and the lower filter plate, the output end of a driving assembly is in transmission connection with the upper filter plate so as to drive the upper filter plate to do linear reciprocating motion along the horizontal direction, and the sum of propagation paths of the upper filter plate and the lower filter plate is regulated, so that the stepless regulation of the filter thickness according to different filter requirements is realized, and the regulation is more convenient.
Drawings
FIG. 1 is a schematic view of an X-ray apparatus according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a stepless adjusting filter device according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a continuously variable filtration device according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stepless adjusting filter device according to a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of a continuously variable filtration device according to a second embodiment of the present invention;
fig. 6 is a half cross-sectional view of a left limit position of a continuously variable transmission device according to a second embodiment of the present invention.
In the figure:
1. stepless adjusting filter device;
11. a support assembly; 111. a first support base; 1111. a first through hole; 112. a second support base;
12. a filter assembly; 121. a filter sheet is arranged on the upper filter sheet; 122. a lower filter sheet; 1221. a flange structure; 1222. a stop portion;
13. a drive assembly; 131. a driving motor; 132. a screw rod; 133. a guide rod;
14. an elastic component; 141. a support frame; 142. an elastic member;
15. a beam limiter; 151. a second through hole;
2. a frame; 21. scanning a window;
3. an X-ray emitter;
4. a CT scanning bed.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Embodiment one:
as shown in fig. 1, the present invention proposes an X-ray apparatus, which includes a frame 2, an X-ray emitter 3, a CT scanning bed 4 and a stepless adjustment filter device 1, wherein a scanning window 21 is disposed on the frame 2, the X-ray emitter 3 and the stepless adjustment filter device 1 are both disposed on the top of the scanning window 21, and the X-ray emitter 3 is located above the stepless adjustment filter device 1, the CT scanning bed 4 is disposed in a horizontal movement manner, and the CT scanning bed 4 can move into the scanning window 21, and the CT scanning bed 4 is used for driving a human body to move into the scanning window 21 or out of the scanning window 21 along the extending direction thereof. The X-ray emitter 3 and the stepless regulation filter device 1 are arranged at the top of the scanning window 21, so that the whole human body is more convenient to scan, and the stepless regulation of the filter thickness according to different filter requirements is realized. When the X-ray device works, a human body lies on the CT scanning bed 4, the CT scanning bed 4 horizontally moves into the scanning window 21, the X-ray device measures the human body by using an instrument with extremely high sensitivity according to the difference of the absorption and the transmittance of different tissues of the human body, then the data obtained by measurement are input into an electronic computer, and after the electronic computer processes the data, the image of the section or the three-dimensional image of the inspected part of the human body is photographed, so that the tiny lesions of any part in the human body can be found.
In the prior art, different filtering effects are achieved by replacing filter plates with different thicknesses, and the defect is that accurate adjustment cannot be achieved by replacing the filter plates with different thicknesses, and the replacement operation is inconvenient.
Specifically, the intensity definition of X-rays，/>For the intensity of the incident radiation it is,Ifor the intensity of the outgoing radiation,μis the effective linear attenuation coefficient of the substance,xis the thickness of the material. While the material through which the X-ray beam passes remains unchanged,μunchangedThen isxI.e. by adjusting the thickness of the material through which the X-ray beam passesxTo adjustIIs a strength of (a) is a strength of (b). As shown in fig. 2 and 3, the stepless adjustment filter device 1 comprises a support component 11, a filter component 12 and a driving component 13, wherein the filter component 12 comprises an upper filter piece 121 and a lower filter piece 122, the upper filter piece 121 is arranged above the lower filter piece 122, one sides of the upper filter piece 121 and the lower filter piece 122, which face each other, are provided with inclined planes, the inclined planes of the upper filter piece 121 and the lower filter piece 122 are consistent, a ray beam sequentially passes through the upper filter piece 121 and the lower filter piece 122, the elastic component 14 is arranged on the support component 11, the lower filter piece 122 is elastically supported on the elastic component 14 along the vertical direction, the upper filter piece 121 and the lower filter piece 122 are arranged at intervals, or the upper filter piece 121 and the lower filter piece 122 are attached; the output end of the driving component 13 is in transmission connection with the upper filter plate 121 so as to drive the upper filter plate 121 to do linear reciprocating motion along the horizontal direction, so that the sum of the propagation paths of the upper filter plate 121 and the lower filter plate 122 is adjusted, and the stepless adjustment of the filtering thickness according to different filtering requirements is realized.
Further, the stepless regulation filter device 1 further comprises a beam limiter 15, wherein the beam limiter 15 is arranged between the X-ray emitter 3 and the stepless regulation filter device 1, a second through hole 151 is formed in the beam limiter, and an X-ray beam emitted by the X-ray emitter 3 is incident on the stepless regulation filter device 1 through the second through hole 151. The X-ray emitter 3 and the stepless regulation filter device 1 are arranged at the top of the scanning window 21, so that the whole human body is more convenient to scan, and the stepless regulation of the filter thickness according to different filter requirements is realized.
In the present embodiment, there is providedxThe variation of (2) isThen->Wherein->Is thatyIs used for the control of the degree of variation of (c),θis the angle of the inclined plane, thus, differentθThe values may be such that the same/>Is different->Thereby changing the filtering thickness. It should be noted that the number of the substrates,θthe selection and adjustment may be performed according to actual conditions, and are not particularly limited herein.
Further, the driving component 13 is arranged on the supporting component 11, so that the integral rigidity of the stepless regulation filter device 1 is effectively enhanced, and the stability of stepless filtration is improved; the elastic component 14 is disposed on the supporting component 11, the lower filter 122 is elastically supported on the elastic component 14 along the vertical direction, and the upper filter 121 and the lower filter 122 are attached. When the upper filter disc 121 and the lower filter disc 122 are attached, the driving assembly 13 drives the upper filter disc 121 to move along the horizontal direction, so that the upper filter disc 121 drives the lower filter disc 122 to move downwards under the action of the elastic assembly 14, and the filtering thickness of the upper filter disc 121 and the lower filter disc 122 is adjusted, so that the lower filter disc 122 is prevented from obstructing the movement of the upper filter disc 121, and the upper filter disc 121 and the lower filter disc 122 are attached, so that the filtering effect and the filtering precision are improved.
Further, the support assembly 11 includes a first support base 111 and a second support base 112, wherein a first through hole 1111 is provided on the first support base 111, and a lower filter 122 is provided on the first support base 111, such that the ray bundle passes through the upper filter 121 and the lower filter 122 and is emitted from the second through hole 151; the second supporting seat 112 is disposed on the first supporting seat 111, and the driving assembly 13 is disposed on the second supporting seat 112. The upper filter 121 is supported by the first supporting seat 111, and the first through hole 1111 on the first supporting seat 111 can enable the ray bundle to pass through the first supporting seat 111, so that the ray bundle is prevented from being blocked; the second supporting seat 112 effectively disperses the pressure of the whole supporting assembly 11 on the driving assembly 13, and the stability of the whole stepless regulation filter device 1 is improved.
Specifically, since the first through hole 1111 and the second through hole 151 have different CT values due to normal or abnormal tissues, the resolution of human eyes is relatively limited, so that when the details of a certain tissue or structure are to be displayed, assistance is required by using the transmissive lenses, and the window width suitable for observing lesions of the tissue or structure should be selected according to the different tissues or structures, thereby obtaining the best display effect.
Further, the elastic component 14 includes a supporting frame 141 and an elastic member 142, wherein the supporting frame 141 includes a base and a mounting rod, the base is disposed on the supporting component 11, and the mounting rod is disposed through the lower filter 122; the elastic member 142 is sleeved on the mounting rod, and one end of the elastic member 142 is abutted against the bottom of the lower filter 122, and the other end is abutted against the base. Be provided with support frame 141 between elastic component 142 and supporting component 11, support frame 141 includes base and installation pole, and the base has improved the supporting stability to elastic component 142, and the installation pole provides the guide effect for the flexible of elastic component 142 and restoration, and the work efficiency of elastic component 142 has effectually been improved to the setting of support frame 141 has increased the stability of elastic component 142.
In the present embodiment, as shown in fig. 2 and 3, 4 elastic members 14 are provided at four apex angle positions of the bottom surface of the lower filter 122, respectively, so that stability is improved and aesthetic feeling of the stepless adjustment filter device 1 is improved.
Specifically, the elastic member 142 may be a leaf spring, a coil spring, and a rubber spring, wherein the leaf spring has a guiding function and is capable of playing a certain role in vibration reduction due to friction between the respective pieces of the spring; compared with a leaf spring, the coil spring does not need lubrication, and the required longitudinal space is not large, and has the advantages of small mass and the like; the rubber spring is made of rubber, and is generally hollow to increase the stroke of the spring, so the rubber spring has the advantages of sound insulation, no noise during operation, no need of lubrication, rigidity change and the like. Accordingly, the corresponding spring may be selected as the elastic member 142 of the present embodiment according to actual circumstances, and is not particularly limited herein.
Further, the driving assembly 13 includes a driving motor 131, a screw rod 132, and a guide rod 133, wherein the driving motor 131 is disposed on the supporting assembly 11; the screw rod 132 is connected with the output end of the driving motor 131, the screw rod 132 is in threaded connection with the upper filter 121, and the driving motor 131 drives the screw rod 132 to rotate; the guide bar 133 is connected to the support assembly 11, and the upper filter 121 is slidably disposed on the guide bar 133.
Further, the upper filter 121 and the lower filter 122 are made of copper, aluminum or copper-aluminum composite materials, and the copper, aluminum or copper-aluminum composite materials can absorb low-energy components in the X-ray beam in advance, so that the filtering effect of the filter on soft-ray components in the X-ray beam is improved.
Further, the driving assembly 13 and the upper filter 121 adopt a thread guiding structure, and the thread guiding structure has the advantages of simple structure, reliable connection, convenient assembly and disassembly, and the like, and meanwhile, the arrangement of the guide rod 133 can prevent the rotation of the upper filter 121, so that the upper filter 121 is ensured to move only along the horizontal direction.
Further, flange structures 1221 are provided at both sides of the inclined surface of the lower filter 122 in a direction perpendicular to the horizontal direction, and the upper filter 121 is slidably disposed between the two flange structures 1221. By providing the flange structures 1221 on both sides in the horizontal direction, the movement of the upper filter sheet 121 is guided, and the stability of the linear movement of the upper filter sheet 121 in the horizontal direction is improved.
Further, as shown in fig. 3, a stop portion 1222 is provided at one end of the lower filter 122, and when the upper filter 121 is at the left limit position, the narrower end thereof abuts against the stop portion 1222, thereby preventing the upper filter 121 from moving continuously, preventing damage to the spring, the motor and the threaded rod caused by excessive movement of the upper filter 121, and improving stability and safety of the stepless adjustment filter device 1.
Embodiment two:
fig. 4 shows a second embodiment, wherein the same or corresponding parts as in the first embodiment are given the same reference numerals as in the first embodiment. For simplicity, only the points of distinction between the second embodiment and the first embodiment will be described. The difference is that, as shown in fig. 5, the lower filter 122 is fixedly disposed on the supporting component 11, and the lower filter 122 is spaced from the upper filter 121, wherein the gap between the lower filter 122 and the upper filter 121 is filled with a lipid medium, and the lipid medium does not filter the X-ray beam, and the main function of the lipid medium is to prevent the X-ray beam from reflecting out of the stepless regulation filter device 1 through the inclined surface of the lower filter 122. The upper filter plate 121 and the lower filter plate 122 are arranged at intervals, so that the arrangement mode of the stepless regulation filter device 1 is simplified, the manufacturing cost of the stepless regulation filter device 1 is reduced, and meanwhile, the upper filter plate 121 and the lower filter plate 122 are arranged at intervals, so that the problem that the lower filter plate 122 blocks the upper filter plate 121 from moving when the moving range of the upper filter plate 121 is large is avoided. It should be noted that, before each adjustment of the position of the upper filter 121, the lipid medium in the gap is cleaned, wherein the cleaning manner of the lipid medium is a conventional manner in the prior art, and is not specifically limited herein, and after the adjustment of the position of the filter, the gap between the lower filter 122 and the upper filter 121 is completely filled with the lipid medium.
Specifically, as shown in fig. 6, when the upper filter sheet 121 is at the left limit position, there is no gap between the lower filter sheet 122 and the upper filter sheet 121, and at this time, the gap between the lower filter sheet 122 and the upper filter sheet 121 is not required to be filled with a lipid medium.
The above embodiments merely illustrate the basic principle and features of the present invention, and the present invention is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A stepless regulation filter device, characterized by comprising:
a support assembly (11);
the filtering assembly (12) comprises an upper filter disc (121) and a lower filter disc (122), the lower filter disc (122) is arranged on the supporting assembly (11), the upper filter disc (121) is arranged above the lower filter disc (122), one sides of the upper filter disc (121) and the lower filter disc (122) which face each other are inclined planes, the inclined planes of the upper filter disc (121) and the inclined planes of the lower filter disc (122) are consistent, and a ray bundle sequentially passes through the upper filter disc (121) and the lower filter disc (122); a kind of electronic device with high-pressure air-conditioning system
The driving assembly (13), the driving assembly (13) set up in on the supporting assembly (11), its output with go up filter (121) transmission connection, so as to drive go up filter (121) are along the straight reciprocating motion of horizontal direction, in order to adjust the ray bundle in go up filter (121) with the sum of the propagation path of lower filter (122).
2. The stepless regulation filter device according to claim 1, characterized in that the lower filter sheet (122) is fixedly arranged on the support component (11), the lower filter sheet (122) is arranged at intervals from the upper filter sheet (121), and a gap between the lower filter sheet (122) and the upper filter sheet (121) is filled with lipid medium.
3. The stepless regulation filter device according to claim 1, wherein an elastic component (14) is arranged on the supporting component (11), the lower filter sheet (122) is elastically supported on the elastic component (14) along the vertical direction, and the upper filter sheet (121) is attached to the lower filter sheet (122).
4. A continuously variable filtration device according to claim 3, characterized in that said elastic assembly (14) comprises:
the support frame (141) comprises a base and a mounting rod which are connected with each other, the base is arranged on the support assembly (11), and the mounting rod is arranged on the lower filter disc (122) in a penetrating way; a kind of electronic device with high-pressure air-conditioning system
The elastic piece (142), elastic piece (142) cover is located on the installation pole, just elastic piece (142) one end butt in the bottom of lower filter plate (122), the other end butt in the base.
5. The stepless regulation filter device of any one of claims 1-4, characterized in that two sides of the inclined plane of the lower filter sheet (122) are provided with flange structures (1221), and the upper filter sheet (121) is slidably arranged between two of the flange structures (1221).
6. The stepless regulation filter device of any one of claims 1-4, characterized in that the support assembly (11) comprises:
a first supporting seat (111), wherein a first through hole (1111) is formed in the first supporting seat (111), the lower filter sheet (122) is arranged on the first supporting seat (111), and the ray beam passes through the upper filter sheet (121) and the lower filter sheet (122) and is emitted by the first through hole (1111); a kind of electronic device with high-pressure air-conditioning system
The second supporting seat (112) is arranged on the first supporting seat (111), and the driving assembly (13) is arranged on the second supporting seat (112).
7. The stepless regulation filter device of any one of claims 1-4, characterized in that the material of the upper filter sheet (121) and the lower filter sheet (122) is copper, aluminum or copper-aluminum composite.
8. The continuously adjustable filter device according to any one of claims 1-4, wherein the drive assembly (13) comprises:
a drive motor (131) provided on the support member (11);
the screw rod (132) is connected with the output end of the driving motor (131), the driving motor (131) drives the screw rod (132) to rotate, and the screw rod (132) is in threaded connection with the upper filter plate (121); a kind of electronic device with high-pressure air-conditioning system
The guide rod (133), the guide rod (133) with the supporting component (11) links to each other, go up filter plate (121) slip set up in on the guide rod (133).
9. The stepless adjustment filter device of any one of claims 1-4, further comprising:
the beam limiter (15), the beam limiter (15) set up in on supporting component (11) and be located on last filter plate (121), offered second through-hole (151) on the beam limiter (15), the ray bundle by second through-hole (151) incident on filter component (12).
An X-ray device comprising a frame (2), an X-ray emitter (3) and a stepless adjustment filter device according to any one of claims 1-9, wherein a scanning window (21) is arranged on the frame (2), the X-ray emitter (3) and the stepless adjustment filter device are both arranged at the top of the scanning window (21), and the X-ray emitter (3) is arranged above the stepless adjustment filter device.
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| CN202311014880.3A CN116725562A (en) | 2023-08-14 | 2023-08-14 | Stepless regulation filter device and X-ray equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311014880.3A CN116725562A (en) | 2023-08-14 | 2023-08-14 | Stepless regulation filter device and X-ray equipment |
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