CN109893166B - Pressurization system applied to ultrasonic scanning device - Google Patents
Pressurization system applied to ultrasonic scanning device Download PDFInfo
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- CN109893166B CN109893166B CN201910266078.0A CN201910266078A CN109893166B CN 109893166 B CN109893166 B CN 109893166B CN 201910266078 A CN201910266078 A CN 201910266078A CN 109893166 B CN109893166 B CN 109893166B
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Abstract
The invention relates to the technical field of ultrasonic scanning, and discloses a pressurizing system applied to an ultrasonic scanning device, which comprises a pulley block, a steel wire rope wound on the pulley block, a workbench connected with the steel wire rope and used for installing an ultrasonic probe assembly, and a counterweight assembly connected with the steel wire rope, wherein the steel wire rope comprises a first rope part and a second rope part which are respectively positioned at two sides of the pulley block, the workbench is connected with the first rope part, the counterweight assembly is connected with the second rope part, the counterweight assembly comprises a common counterweight block and a pressurizing counterweight block, the common counterweight block is connected with the second rope part, the pressurizing counterweight block is movably connected with the common counterweight block, and the pressurizing counterweight block is also connected with a lifting assembly used for adjusting the height of the pressurizing counterweight block. The invention has convenient use and good self-adaptability, can adjust the pressurizing state along with the breathing, ensures that the compression force applied to the human body in the breathing and inhaling processes is always consistent, reduces the compression feeling and the chest distress feeling, and improves the satisfaction degree of the user inspection experience.
Description
Technical Field
The invention relates to the technical field of ultrasonic scanning, in particular to a pressurizing system applied to an ultrasonic scanning device.
Background
The ultrasonic imaging has the advantages of no wound, real-time performance, strong repeatability, low cost and the like, and has important application in clinic. The existing ultrasonic examination (such as breast, abdomen, etc.) is generally manual scanning, and doctors press and move on the human body by using a handheld scanning device to scan, so that the examination effect greatly depends on the operation of the doctors, and inconsistent examination results or missed diagnosis is easily caused by the difference of the operation manipulation and the coverage area of the doctors. In order to solve the problem, a whole breast ultrasound system is provided in the breast ultrasound examination, and the system uses a mechanical scanning device to scan the whole breast of a tested person, thereby solving the requirement on the doctor manipulation to a certain extent. In the operation process, the larger the compression force of the ultrasonic probe on the tested person, the better the contact with the skin, the better the image effect, and the fixed initial compression value is generally set when the device is pressurized, as disclosed in the patent document with publication number CN109316207A, "a breast ultrasound scanning system and method", once the probe is in place and the detection is started, the initial compression value is kept constant before the detection is finished, the size of the initial compression value is set in consideration of the contraction and expansion of the thoracic cavity accompanied by the respiration of the person, the initial compression value is as large as possible so as to ensure that the thoracic cavity has enough pressure when being contracted and the image quality is ensured, but when the thoracic cavity is inhaled and expanded, an expansion force is generated, which is blocked by the ultrasonic probe and acts on the tested person along with the initial compression value, so that the human body is subjected to a larger compression force, and at this time, the sense of compression and chest distress of the human body are particularly serious, although some devices are provided with pressure value adjusting devices, the body feeling of each patient is different, the adjustment needs to be carried out by a doctor according to the actual situation, the process is complicated, great heart force is needed, the examination progress is easy to slow, and even wrong examination and missed examination can be caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a pressurizing system applied to an ultrasonic scanning device, which can adjust the pressurizing state along with respiration, ensure that the compression force applied to a human body in the respiration process is always consistent, and improve the satisfaction degree of user inspection experience, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a be applied to supersound and scan pressurization system who looks into device, includes the assembly pulley, around locating the wire rope of assembly pulley, with the wire rope connect be used for installing the workstation of ultrasonic probe subassembly and with the counter weight subassembly that wire rope connects, wire rope is including being located respectively the first rope portion and the second rope portion of assembly pulley both sides, the workstation with first rope portion connects, the counter weight subassembly with the second rope portion is connected, the counter weight subassembly includes commonly used balancing weight and pressurization balancing weight, commonly used balancing weight with the second rope portion is connected, the pressurization balancing weight with commonly used balancing weight swing joint, the pressurization balancing weight still is connected with and is used for adjusting the lifting unit of the height that the pressurization balancing weight was located.
In the above scheme, the weight of the counterweight assembly is set to be equal to the total weight of the workbench and the ultrasonic probe assembly connected to the workbench, so that the workbench side and the counterweight side can be kept balanced, when the height of the ultrasonic probe assembly needs to be adjusted, only a slight upward or downward acting force needs to be applied to the ultrasonic probe assembly, and when the acting force is removed, the ultrasonic probe assembly can be kept at the height under the action of the counterweight assembly; when the pressure is needed, the lifting component is started to adjust the pressure balancing weight to ascend or descend so that the gravity of the pressure balancing weight does not act on the common balancing weight any more, the gravity of the workbench side is unbalanced with that of the balancing weight side, the balancing weight side ascends, the workbench side descends, a person to be tested below the ultrasonic probe component is stressed by a pressure force with the same weight as that of the pressure balancing weight, and because of the characteristic that the stress on the two sides of the workbench side and the counterweight side can be mutually transmitted through the pulley block, the compression force can not be changed due to chest contraction and expansion in the breathing process, the probability of chest distress feeling of a tested person in the chest expansion state is favorably reduced, the problems of the compression feeling and the chest distress of the tested person in the ultrasonic detection are solved, the satisfaction degree of the user (the tested person) in the detection experience is favorably improved and the detection process is accelerated on the premise of ensuring high imaging quality of the ultrasonic scanning device; and the equipment compatibility is good, and the oppression feeling of different degrees can not be generated due to different chest contraction or expansion degrees when the tested individual breathes.
Furthermore, the lifting device further comprises an upright post, two opposite side surfaces of the upright post are respectively provided with a slide rail extending along the height direction of the upright post, a slide block is arranged on the slide rail, and the workbench and the counterweight component are connected with the two opposite side surfaces of the upright post through the slide block. The vertical column counterweight device is used for limiting the freedom degree of movement of the workbench and the counterweight assembly (only can move up and down along the height direction of the vertical column), and the structural stability is guaranteed.
Further, lifting unit includes gear motor, clutch, hold-in range and tight pulley that rises, gear motor is used for driving in proper order through the belt the driving pulley and the driven pulleys of clutch rotate, the hold-in range extends the setting along the direction of height, the one end of hold-in range with the driven pulleys of clutch are connected, the other end with tight pulley that rises and tightly connects, one side of hold-in range through hold-in range clamp plate and hold-in range fixed plate with the pressurization balancing weight is connected and is used for making the pressurization balancing weight is along with the transmission of hold-in range reciprocates.
Furthermore, a shading sheet is arranged on the pressurizing balancing weight, a photoelectric sensor matched with the shading sheet is arranged on the common balancing weight, when the gravity of the pressurizing balancing weight acts on the common balancing weight, the photoelectric sensor is in a non-triggered state, and when the gravity of the pressurizing balancing weight does not act on the common balancing weight, the photoelectric sensor is in a triggered state.
Further, the common balancing weight is located above the pressurizing balancing weight, the photoelectric sensor comprises a first photoelectric sensor and a second photoelectric sensor, the light path of the first photoelectric sensor and the light path of the second photoelectric sensor are on the same horizontal line, the shading sheet comprises a first shading part which vertically extends upwards and is used for being matched with the first photoelectric sensor and a second shading part which vertically extends upwards and is used for being matched with the second photoelectric sensor, the highest position point of the first shading part is higher than that of the second shading part, in a natural gravity state, the gravity of the pressurizing balancing weight acts on the common balancing weight, the highest position point of the first shading part is lower than the horizontal line where the light path of the first photoelectric sensor is located, when the pressurizing balancing weight rises until the top surface of the pressurizing balancing weight is contacted with the bottom surface of the balancing weight, the highest position point of the second light shielding part is positioned in the light path of the second photoelectric sensor.
Furthermore, the common balancing weight is located above the pressurizing balancing weight, the pressurizing balancing weight comprises a lower pressurizing balancing weight and at least one middle pressurizing balancing weight, the lower pressurizing balancing weight is movably connected below the middle pressurizing balancing weight and connected with the lifting assembly, the middle pressurizing balancing weight is movably connected below the common balancing weight or below the other middle pressurizing balancing weight, the common balancing weight is provided with a first photoelectric sensor, the lower pressurizing balancing weight is provided with a second shading sheet, the middle pressurizing balancing weight is provided with a first shading sheet matched with the first photoelectric sensor and a second photoelectric sensor matched with the second shading sheet, when the gravity of the lower pressurizing balancing weight acts on the middle pressurizing balancing weight, the second photoelectric sensor is in an unfired state, when the gravity of the lower pressurizing balancing weight does not act on the middle pressurizing balancing weight, the second photoelectric sensor is in a trigger state, when the gravity of the middle pressurizing balancing weight acts on the common balancing weight, the first photoelectric sensor is in an unfired state, and when the gravity of the middle pressurizing balancing weight does not act on the common balancing weight, the first photoelectric sensor is in a trigger state.
The lifting assembly is characterized by further comprising a control circuit, wherein the control circuit is used for controlling the switch of the lifting assembly and is used for receiving the signal of the photoelectric sensor and controlling the lifting height of the lifting assembly according to the signal.
Further, the lifting component is a lifting platform arranged under the pressurizing balancing weight.
Further, the lifting assembly is a hoisting assembly, the hoisting assembly comprises a hoisting rope, a rope winding wheel and a driving motor, one end of the hoisting rope is fixed on the rope winding wheel, the other end of the hoisting rope is connected with the pressurizing balancing weight, and the driving motor is used for driving the rope winding wheel to rotate so as to fold and unfold the hoisting rope.
Further, the slide rail passes through the screw with the stand is dismantled and is connected.
After the technical scheme is adopted, the invention has the beneficial effects that: the operation is convenient and easy, the self-adaptability is good, the oppression feeling and the chest distress feeling brought by the use of the ultrasonic scanning device during respiration can be solved, the oppression force applied to the human body in the respiration process can be kept consistent all the time, and the quality of an ultrasonic detection image is guaranteed.
Drawings
In order to more clearly illustrate embodiments of the present invention or prior art solutions, the drawings are as follows:
fig. 1 is a side view of a pressurization system applied to an ultrasonic scanning apparatus according to embodiment 1 of the present invention;
FIG. 2 is a sectional view of a pressurizing system provided in embodiment 2 of the present invention;
fig. 3 is a cross-sectional view of a lift assembly provided in embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a counterweight assembly according to embodiment 2 of the present invention;
fig. 5 is a partial perspective view of a preferred pressurization system provided in embodiment 3 of the present invention.
In the figure: 1-workbench, 2-steel wire rope, 3-pulley block, 4-counterweight component, 21-first rope part, 22-second rope part, 41-common counterweight block, 42-pressurizing counterweight block, 5-lifting component, 6-upright post, 61-slide rail, 62-slide block, 51-speed reduction motor, 52-clutch, 53-synchronous belt, 54-tension pulley, 7-shading sheet, 8-photoelectric sensor, 81-first photoelectric sensor, 82-second photoelectric sensor, 71-first shading part, 72-second shading part, 421-lower pressurizing counterweight block and 422-middle pressurizing counterweight block.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, this embodiment provides a pressurization system (hereinafter referred to as a pressurization system) applied to an ultrasonic scanning apparatus, which includes a pulley block 3, a steel wire rope 2 wound around the pulley block 3, a workbench 1 connected to the steel wire rope 2 and used for mounting an ultrasonic probe assembly, and a counterweight assembly 4 connected to the steel wire rope 2, the wire rope 2 comprises a first rope portion 21 and a second rope portion 22 which are respectively positioned at two sides of the pulley block 3, the workbench 1 is connected with the first rope part 21, the counterweight component 4 is connected with the second rope part 22, the counterweight component 4 comprises a common counterweight block 41 and a pressurizing counterweight block 42, the common counterweight block 41 is connected with the second rope part 22, the pressurizing balancing weight 42 is movably connected with the common balancing weight 41, and the pressurizing balancing weight 42 is further connected with a lifting component 5 for adjusting the height of the pressurizing balancing weight 42. The lifting component 5 can select a hydraulic lifting device, a steel wire rope lifting device and the like in the prior art.
The pressurization system described in this embodiment is installed on the body of the existing ultrasonic scanning device, wherein the pulley block 3 is installed at the top of the ultrasonic scanning device through an installation support, the workbench 1 and the counterweight component 4 are located on both sides of the pulley block 3 and form a connection relationship through the steel wire rope 2, for example, the steel wire rope 2 is provided with two, one end of one steel wire rope is connected with the left side of the workbench 1, the other end is connected with the left side of the counterweight component 4 after bypassing the pulley block, one end of the other steel wire rope is connected with the right side of the workbench 1, the other end is connected with the right side of the counterweight component 4 after bypassing the other pulley block, the two steel wire ropes 2 are symmetrically arranged, and the pulley block bypassed by each steel wire rope 2 is also symmetrically arranged in the left-right. The side provided with the workbench 1 is hereinafter referred to as a workbench side, the side provided with the counterweight component 4 is hereinafter referred to as a counterweight side, and the two sides realize height adjustment and balance state maintenance through respective gravity and the influence of external force. During specific configuration, it is necessary to note that the weight of the counterweight assembly 4 is equal to the total weight of the workbench 1 and the ultrasonic probe assembly connected to the workbench 1, that is, the workbench sides at the two ends of the steel wire rope 2 and the counterweight sides are kept in stress balance.
In this embodiment, wire rope 2 only needs to possess the degree of freedom of the activity from top to bottom of the height above sea level direction, consequently, in order to avoid wire rope 2 to rock at will and influence structural stability, generally can set up corresponding locating part and restrict, and locating part structural design is various, does not excessively describe in this embodiment. The movable connection between the pressurizing counterweight 42 and the common counterweight 41 specifically may be: the pressurizing balancing weight 42 is positioned below the common balancing weight 41 and is connected with the common balancing weight 41 through a chain; or the pressurizing balancing weight 42 is positioned below the common balancing weight 41 and connected through a connecting shaft, the pressurizing balancing weight 42 is sleeved on the connecting shaft, the lower end of the connecting shaft is provided with a limiting block for limiting the position of the pressurizing balancing weight 42 to avoid the separation of the pressurizing balancing weight due to gravity, and the upper end of the connecting shaft is connected with the common balancing weight 41 through a bolt; or the common counterweight block 41 is formed with a loading column, and the pressurizing counterweight block 42 is sleeved on the loading column. Lifting unit 5 is connected through the connecting piece with pressurization balancing weight 42 and is used for adjusting pressurization balancing weight 42 rises or descends, and preferred lifting unit 5 rises and drives pressurization balancing weight 42 to rise, makes the slow effect of gravity of pressurization balancing weight 42 not act on balancing weight 41 commonly used but act on lifting unit 5 to make counter weight side weight alleviate, the workstation side produces and presses to surveyed personnel with the compressive force of pressurization balancing weight 42 class.
The operation principle is as follows: when the height of the ultrasonic probe assembly needs to be adjusted, only a slight upward or downward acting force needs to be applied to the ultrasonic probe assembly, the stress is unbalanced, the ultrasonic probe assembly moves upwards or downwards for a certain distance, the counterweight assembly 4 on the counterweight side moves downwards or upwards for an equal distance, and when the acting force is removed, the ultrasonic probe assembly can be kept at the height unchanged under the action of the counterweight assembly 4;
when pressurization is needed, the lifting component 5 is started to adjust the pressurizing balancing weight 42 to rise, so that the gravity of the pressurizing balancing weight does not act on the common balancing weight 41 any more, the gravity of the workbench side is unbalanced with that of the balancing weight side, the balancing weight side rises, the workbench side falls, and a person to be tested below the ultrasonic probe component is stressed by a compression force with the same weight as the pressurizing balancing weight 42;
when surveyed personnel thorax inflation, the ultrasonic probe subassembly of inflation power effect in workstation side conducts to the counter weight side through assembly pulley 3, makes the decline of counter weight side production certain distance, and the oppression power that surveyed personnel below the ultrasonic probe subassembly of workstation side received still with pressurization balancing weight 42 weight equidimension.
In conclusion, because the two sides of the workbench side and the counterweight side have the characteristics of being capable of keeping balance without external force and being mutually conducted through the pulley block 3 under the external force, the compression force applied to the person to be tested under the ultrasonic probe assembly can not be changed due to chest contraction and expansion in the breathing process, and therefore, the weight of the pressurizing counterweight block 42 is only required to be within a reasonable value range at the beginning of the design. The chest distress feeling probability of the tested person in the chest expansion state is reduced, the problems of oppression feeling and chest distress of the tested person in ultrasonic detection are solved, the satisfaction degree of the user (the tested person) in the detection experience is improved on the premise of ensuring high imaging quality of the ultrasonic scanning device, and the detection process is accelerated; the equipment is self-adaptive and good in compatibility, and the oppression feeling of different degrees caused by different chest contraction or expansion degrees of the tested individual during breathing can not be generated; the process electric equipment for maintaining the compression force value does not need to be started for a long time, so the process electric equipment also has the excellent characteristic of energy conservation.
Example 2
As shown in fig. 2, in order to ensure structural stability and operational reliability of the pressurization system in this embodiment, the pressurization system further includes an upright post 6, two opposite side surfaces of the upright post 6 are respectively provided with a slide rail 61 extending along a height direction of the upright post 6, the slide rail 61 is provided with a slide block 62, and the work table 1 and the counterweight assembly 4 are connected to the two opposite side surfaces of the upright post 6 through the slide blocks 62.
Specifically, an upper cover plate is arranged at the top end of the upright post 6, the pulley blocks 3 are mounted on the upper cover plate through pulley mounting brackets, two groups of the pulley blocks 3 are symmetrically arranged in the left-right direction, two pulley blocks 3 are arranged in each group, the two pulley blocks are sequentially arranged in the front-back direction, the steel wire rope 2 is one and is arranged in a folded manner, two rope end parts are used as first rope parts 21 and are connected with the workbench 1, and the workbench 1 is connected with a sliding block 62; the folded end is connected with the counterweight component 4 as the second rope part 22, the counterweight component 4 is connected with a sliding block 62 opposite to the workbench 1, the workbench 1 and the counterweight component 4 can only move up and down along the height direction of the upright post 6 along with the sliding block, and the steel wire rope 2 only has the freedom degree of up-and-down transmission, so that the structural stability is guaranteed.
As shown in fig. 3, the lifting assembly 5 includes a speed reduction motor 51, a clutch 52, a synchronous belt 53 and a tension pulley 54, a lower base is provided at the bottom end of the upright post 6, and the speed reduction motor 51 and the clutch 52 are fixed on the lower base through a mounting assembly; the clutch 52 comprises a driving pulley and a driven pulley, the driving pulley and the driven pulley are separated in case of power failure, the driving pulley or the driven pulley can not drive the other pulley to rotate due to independent rotation, and the driving pulley and the driven pulley are attracted in case of power failure; the tension wheel 54 is fixed on the upper cover plate of the upright post 6 through a fixing plate;
the speed reducing motor 51 is used for sequentially driving a driving belt wheel and a driven belt wheel of the clutch 52 to rotate through a belt, a synchronous wheel is connected to the shaft end of the speed reducing motor 51, the diameter of the synchronous wheel is smaller than that of the driving belt wheel, one end of the belt is connected to the synchronous wheel, the other end of the belt is connected to the driving belt wheel and is in a tensioning state, the power of the shaft of the speed reducing motor 51 is transmitted to the driving belt wheel, and the driving belt wheel transmits the power to the driven belt wheel and is driven by the driven belt wheel under the condition that the clutch 52 is electrified;
the hold-in range 53 extends the setting along the direction of height, the one end of hold-in range 53 with clutch 52's driven pulley is connected, the other end with tight pulley 54 rises to rise and tightly connects, and hold-in range 53 receives driven pulley's drive can transmit on the direction of height, hold-in range 53 one side pass through hold-in range clamp plate and hold-in range fixed plate with pressurization balancing weight 42 is connected and is used for making pressurization balancing weight 42 is along with hold-in range 53's transmission and reciprocate.
Above-mentioned design, adjust pressurization balancing weight 42 altitude variation's good reliability, each spare part cooperation is nimble not fragile, and repair the convenience, and the clutch possesses actuation and outage state, is favorable to making the clutch outage when only needing to remove the ultrasonic probe subassembly and change the height position to when making the configuration side drive hold-in range 53 descend or rise, driven pulley is in idle state, does not influence gear motor 51's life.
As shown in fig. 4, in order to improve the intelligence of the system, a light shielding sheet 7 is disposed on the pressurizing balancing weight 42, a photoelectric sensor 8 matched with the light shielding sheet 7 is disposed on the common balancing weight 41, when the gravity of the pressurizing balancing weight 42 acts on the common balancing weight 41, the photoelectric sensor 8 is in an unfired state, when the gravity of the pressurizing balancing weight 42 does not act on the common balancing weight 41, the photoelectric sensor 8 is in a triggered state, and the photoelectric sensor 8 is a correlation photoelectric sensor. Of course, the photoelectric sensor 8 may be disposed on the pressurizing weight block 42, and the light shielding sheet 7 may be disposed on the common weight block 41.
Specifically, set up in this embodiment, when the anti-dazzling screen 7 breaks away from photoelectric sensor 8's correlation light path, photoelectric sensor 8 is in the state of not triggering, be located photoelectric sensor 8's correlation light path when anti-dazzling screen 7, when blockking light transmission, photoelectric sensor 8 is in the state of triggering, be in the state of triggering as photoelectric sensor 8, will send a signal to system control center, remind control center photoelectric sensor 8 to have triggered, pressurization balancing weight 42 has adjusted to appropriate height, lift assembly 5 can stop work, pressurization process has just also been accomplished this moment, finish when the inspection, only need the operator to manually open lift assembly 5, make pressurization balancing weight 42 slowly descend, it can to stop the autostop when photoelectric sensor 8 becomes not to trigger by the state of triggering.
Preferably, in order to further ensure the reliability of system triggering, and avoid that the lifting height of the pressurizing counterweight block 42 is too high, which causes the common counterweight block 41 to be subjected to an upward acting force and the system is not aware of the upward acting force, which affects the judgment of the final compression force value to which the human body is specifically subjected, the common counterweight block 41 is arranged above the pressurizing counterweight block 42, the slider 62 connected to the common counterweight block 41 is relatively independent from the slider 62 connected to the pressurizing counterweight block 42, the photosensor 8 includes a first photosensor 81 and a second photosensor 82, the light path of the first photosensor 81 and the light path of the second photosensor 82 are on the same horizontal line, the light shielding sheet 7 includes a first light shielding part 71 extending vertically upward for being matched with the first photosensor 81 and a second light shielding part 72 extending vertically upward for being matched with the second photosensor 82, the highest position point of the first light shielding part 71 is higher than that of the second light shielding part 72;
under the natural gravity state, the gravity of the pressurizing balancing weight 42 acts on the common balancing weight 41, the highest position point of the first light shielding part 71 is lower than the horizontal line of the light path of the first photoelectric sensor 81, the first photoelectric sensor 81 is in an unfired state, preferably, the highest position point of the first light shielding part 71 is flush with the lowest point of the light path of the first photoelectric sensor 81 under the natural gravity state, that is, once the operator starts the lifting assembly 5 to work, the first photoelectric sensor 81 can be in a trigger state at the moment when the pressurizing counterweight 42 starts to ascend with the lifting assembly 5, to show that the pressurizing weight 42 is actually driven to rise at the moment when the lifting assembly 5 rises, the connection relationship is not damaged, and the control center of the system only needs to directly stop after continuing to raise the distance a according to the system setting after obtaining the information from the first photoelectric sensor 81; the distance a is calculated according to the weight of the pressurizing balancing weight 42, and is just a distance which can ensure that the gravity action of the pressurizing balancing weight 42 is completely separated from the common balancing weight 41; after the distance is increased, the first photosensor 81 is always in a triggered state, and the second photosensor 82 is in an untriggered state, that is, the first light shielding portion 71 is in the optical path of the first photosensor 81, and the second light shielding portion 72 is not in the optical path of the second photosensor 82;
when the pressurized counterweight block 42 continuously rises to the state that the top surface of the pressurized counterweight block 42 is contacted with the bottom surface of the common counterweight block 41, or the common counterweight block 41 descends to the state that the bottom surface of the common counterweight block is contacted with the top surface of the pressurized counterweight block 42, the highest position point of the second shading part 72 is positioned in the light path of the second photoelectric sensor 82 in a triggering state, at the moment, the second photoelectric sensor 82 is in a triggering state, and after receiving the information from the second photoelectric sensor 82, the control center of the system can automatically control the lifting component 5 to be opened to drive the pressurized counterweight block 42 to descend by a preset height so as to ensure that the gravity of the pressurized counterweight block 42 is completely separated from the configuration component 4, and ensure that the compression force borne by a human body under the ultrasonic probe component is always equal to the gravity value of the pressurized counterweight block 42.
Example 3
As shown in fig. 5, the difference between this embodiment and the previous embodiments is that in order to facilitate the pressurization system to adjust the maximum compression force value suitable for each person as much as possible according to the difference of the compression force receiving degree of each person, so that the better contact between the ultrasonic probe assembly and the skin and the better image effect can be obtained, the common weight block 41 is disposed above the pressurization weight block 42, the pressurization weight block 42 includes a lower pressurization weight block 421 and at least one middle pressurization weight block 422, the lower pressurization weight block 421 is movably connected below the middle pressurization weight block 422 and connected with the lifting assembly 5, the middle pressurization weight block 422 is movably connected below the common weight block 41 or below another middle pressurization weight block 422, that is, the middle pressurization weight blocks 422 are connected with each other, the middle pressurization weight block 422 at the highest position is connected with the common weight block 41, the middle pressurizing balancing weight 422 at the lowest position is connected with the lower pressurizing balancing weight 421;
the common counterweight block 41 is provided with a first photoelectric sensor 81, the lower pressurizing counterweight block 421 is provided with a second light shielding sheet 7B, and the middle pressurizing counterweight block 422 is provided with a first light shielding sheet 7A matched with the first photoelectric sensor 81 and a second photoelectric sensor 82 matched with the second light shielding sheet 7B;
when the gravity of the lower pressurizing balance weight 421 acts on the middle pressurizing balance weight 422, the second photoelectric sensor 82 is in an unfired state, and the second light shielding sheet 7B is not located in the light path of the second photoelectric sensor 82;
when the lower pressurizing balance weight 421 is lifted by the lifting component 5 and gravity does not act on the middle pressurizing balance weight 422, the second light shielding sheet 7B is lifted to the optical path of the second photoelectric sensor 82, and the second photoelectric sensor 82 is in a triggering state;
similarly, when the gravity of the middle pressurizing balance weight 422 acts on the common balance weight 41, the first photoelectric sensor 81 is in an unfired state, and when the middle pressurizing balance weight 422 rises along with the rising of the lower pressurizing balance weight 421, and the gravity of the middle pressurizing balance weight 422 does not act on the common balance weight 41, the first photoelectric sensor 81 is in a triggered state.
In summary, when the gravity of the lower pressurizing weight 421 acts on the middle pressurizing weight 422, neither the second photosensor 82 nor the first photosensor 81 is triggered, and the system is in a non-pressurizing state;
when the lower pressurizing balance weight 421 is lifted by the lifting component 5 and gravity does not act on the middle pressurizing balance weight 422, the second photoelectric sensor 82 is in a triggered state and the first photoelectric sensor 81 is in an un-triggered state, the system is in a first gear pressurizing state, and at the moment, the compression force applied to the human body under the ultrasonic probe component is equal to the gravity value of the lower pressurizing balance weight 421;
when one of the middle pressurizing balance weight blocks 422 rises along with the rising of the lower pressurizing balance weight block 421, so that the gravity of the middle pressurizing balance weight block does not act in the balance weight assembly 5, the second photoelectric sensor 82 and the first photoelectric sensor 81 are both in a trigger state, the system is in a second-gear pressurizing state, and the compression force applied to a human body under the ultrasonic probe assembly is equal to the sum of the gravity value of the lower pressurizing balance weight block 421 and the gravity value of the rising middle pressurizing balance weight block 422; by analogy, based on the above design, a plurality of pressurizing gears can be set in this embodiment, the system control center controls the lifting distance of the lifting assembly 5 according to the gear information, and after receiving that the corresponding second photoelectric sensor 82 or the corresponding first photoelectric sensor 81 is in a trigger state, the lifting assembly 5 can be controlled to stop.
Preferably, the system further comprises a control circuit (i.e. the system control center described above), generally a single chip microcomputer, an MCU, etc., wherein the control circuit is configured to control the on/off of the lifting assembly 5, and is configured to receive the signal from the photoelectric sensor 8 and control the lifting height of the lifting assembly 5 according to the signal.
The first photosensor 81 further comprises a photosensor 81A and a photosensor 81B, the correlation light paths of the photosensor 81A and the photosensor 81B are on the same horizontal line, the second photosensor 82 comprises a photosensor 82A and a photosensor 82B, the correlation light paths of the photosensor 82A and the photosensor 82B are on the same horizontal line, the first light shielding sheet 7A and the second light shielding sheet 7B both comprise a first light shielding part 71 and a second light shielding part 72, and the highest position point of the first light shielding part 71 is higher than that of the second light shielding part 72;
the first light-shielding portion 71 of the first light-shielding sheet 7A is matched with the photosensor 81A, the second light-shielding portion 72 of the first light-shielding sheet 7A is matched with the photosensor 81B, the first light-shielding portion 71 of the second light-shielding sheet 7B is matched with the photosensor 82A, and the second light-shielding portion 72 of the second light-shielding sheet 7B is matched with the photosensor 82B;
when the first gear pressurizing state is started, the control circuit controls the lifting assembly 5 to work, and controls the lifting assembly 5 to drive the lower pressurizing balancing weight 421 to continue to rise for a distance a and stop working after receiving a trigger signal of the photoelectric sensor 82A according to the system presetting; at this time, as long as the triggering of the photoelectric sensor 82A and the non-triggering of the photoelectric sensor 82B are always maintained, the pressing force applied to the detected person can always be kept consistent with the gravity of the lower pressurizing counterweight 421;
when the second gear pressurizing state is started, the control circuit controls the lifting assembly 5 to work, the lifting assembly 5 drives the lower pressurizing balancing weight 421 to ascend, the lower pressurizing balancing weight 421 drives the middle pressurizing balancing weight 422 at the lowest position to ascend, the photoelectric sensor 82A, the photoelectric sensor 82B and the photoelectric sensor 81A are sequentially triggered, and the control circuit controls the lifting assembly 5 to drive the lower pressurizing balancing weight 421 to continue to ascend by a distance a and then stop working after receiving a trigger signal of the photoelectric sensor 81A; at this time, as long as the triggering of the photoelectric sensor 81A and the non-triggering of the photoelectric sensor 81B are always maintained, the compression force applied to the detected person can always be consistent with the sum of the gravity of the lower pressurizing counterweight block 421 and the middle pressurizing counterweight block 422 at the lowest position;
by analogy, the embodiment can reliably ensure that the human body is stressed within a controllable range, and the actual stress value of the human body can be visually checked from the rising degree of the pressurizing balancing weight 42.
Example 4
The difference between this embodiment and embodiment 2 is that, in this embodiment, the lifting assembly 5 is a lifting platform disposed right below the pressurizing counterweight 42. The lifting platform is a hydraulically controlled lifting platform, which has a lifting plane, when the lifting plane is contacted with the pressurizing balancing weight 42 and then continuously rises for a certain distance, the gravity of the pressurizing balancing weight 42 can be separated from the whole balancing weight component 4, so that the pressing force equivalent to the gravity of the pressurizing balancing weight 42 is increased on the side of the workbench.
In addition, lifting unit 5 also can select to be hoisting assembly, hoisting assembly includes hoist and mount rope, rope winding wheel and driving motor, hoist and mount rope one end is fixed in the rope winding wheel, the other end with pressurization balancing weight 42 is connected, driving motor is used for the drive the rope winding wheel is rotatory in order to receive and release the hoist and mount rope, and then drives pressurization balancing weight 42 and goes up and down to change the total gravity of balancing weight side.
Further, the slide rail 61 is an independent structure, the slide rail 61 is detachably connected with the upright post 6 through a screw, the slide rail 61 is easy to damage after being used for a long time, and the slide rail is separated from the upright post 6, so that convenience in replacement and maintenance is facilitated.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a be applied to supersound and scan pressurization system who looks into device, its characterized in that includes the assembly pulley, around locating the wire rope of assembly pulley, with the workstation that is used for installing ultrasonic probe subassembly that wire rope connects and with the counter weight subassembly that wire rope connects, wire rope is including being located respectively the first rope portion and the second rope portion of assembly pulley both sides, the workstation with first rope portion connects, the counter weight subassembly with second rope portion connects, the counter weight subassembly includes commonly used balancing weight and pressurization balancing weight, commonly used balancing weight with second rope portion connects, the pressurization balancing weight with commonly used balancing weight swing joint, swing joint include through chain, connecting axle or loading column connection, the pressurization balancing weight still is connected with and is used for adjusting the lift subassembly of the height that the pressurization balancing weight was located.
2. The pressurization system applied to the ultrasonic scanning device of claim 1, further comprising a column, wherein two opposite side surfaces of the column are respectively provided with a sliding rail extending along the height direction of the column, the sliding rail is provided with a sliding block, and the workbench and the counterweight assembly are connected to the two opposite side surfaces of the column through the sliding blocks.
3. The pressurization system applied to the ultrasonic scanning device as claimed in claim 1 or 2, wherein the lifting assembly comprises a speed reduction motor, a clutch, a synchronous belt and a tension pulley, the speed reduction motor is used for driving a driving pulley and a driven pulley of the clutch to rotate in sequence through a belt, the synchronous belt is arranged in a manner of extending along a height direction, one end of the synchronous belt is connected with the driven pulley of the clutch, the other end of the synchronous belt is connected with the tension pulley in a tensioning manner, and one side of the synchronous belt is connected with the pressurization counter weight through a synchronous belt pressing plate and a synchronous belt fixing plate so as to enable the pressurization counter weight to move up and down along with the transmission of the synchronous belt.
4. The system of claim 1, wherein a light-shielding sheet is disposed on the weight block, and a photo sensor is disposed on the weight block and is matched with the light-shielding sheet, wherein the photo sensor is in an inactive state when the weight block is under gravity action, and the photo sensor is in an active state when the weight block is not under gravity action.
5. The pressurization system applied to the ultrasonic scanning device according to claim 4, wherein the common counterweight block is located above the pressurization counterweight block, the photoelectric sensor comprises a first photoelectric sensor and a second photoelectric sensor, the optical path of the first photoelectric sensor and the optical path of the second photoelectric sensor are on the same horizontal line, the shading sheet comprises a first shading part extending vertically and upwardly for matching with the first photoelectric sensor and a second shading part extending vertically and upwardly for matching with the second photoelectric sensor, the highest position point of the first shading part is higher than that of the second shading part, the gravity of the pressurization counterweight block acts on the common counterweight block under the natural gravity state, and the highest position point of the first shading part is lower than the horizontal line where the optical path of the first photoelectric sensor is located, when the pressurizing balancing weight rises to the top surface of the pressurizing balancing weight to be contacted with the bottom surface of the common balancing weight, the highest position point of the second shading part is positioned in the light path of the second photoelectric sensor.
6. The pressure system as claimed in claim 1, wherein the common weight block is located above the pressure weight block, the pressure weight block comprises a lower pressure weight block and at least one middle pressure weight block, the lower pressure weight block is movably connected below the middle pressure weight block and connected to the lifting assembly, the middle pressure weight block is movably connected below the common weight block or below another middle pressure weight block, the common weight block is provided with a first photoelectric sensor, the lower pressure weight block is provided with a second light-shielding sheet, the middle pressure weight block is provided with a first light-shielding sheet matched with the first photoelectric sensor and a second photoelectric sensor matched with the second light-shielding sheet, when the gravity of the lower pressure weight block acts on the middle pressure weight block, the second photoelectric sensor is in an unfired state, when the gravity of the lower pressurizing balancing weight does not act on the middle pressurizing balancing weight, the second photoelectric sensor is in a triggered state, when the gravity of the middle pressurizing balancing weight acts on the common balancing weight, the first photoelectric sensor is in an unfired state, and when the gravity of the middle pressurizing balancing weight does not act on the common balancing weight, the first photoelectric sensor is in a triggered state.
7. A pressurizing system for an ultrasonic scanning device according to claim 4, further comprising a control circuit for controlling the switch of the lifting assembly, and for receiving the signal of the photoelectric sensor and controlling the lifting height of the lifting assembly according to the signal.
8. The pressurization system applied to the ultrasonic scanning device according to claim 1, wherein the lifting component is a lifting table disposed directly below the pressurization balancing weight.
9. The pressurization system applied to the ultrasonic scanning device of claim 1, wherein the lifting assembly is a hoisting assembly, the hoisting assembly comprises a hoisting rope, a rope winding wheel and a driving motor, one end of the hoisting rope is fixed on the rope winding wheel, the other end of the hoisting rope is connected with the pressurization balancing weight, and the driving motor is used for driving the rope winding wheel to rotate so as to wind and unwind the hoisting rope.
10. The pressurization system applied to the ultrasonic scanning device as claimed in claim 2, wherein the slide rail is detachably connected with the upright post through a screw.
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| CN205094484U (en) * | 2015-08-25 | 2016-03-23 | 上海深博医疗器械有限公司 | Full -automatic ultrasonic scanning appearance |
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