CN107595537A - A kind of detection bed for department of obstetrics and gynecology - Google Patents
A kind of detection bed for department of obstetrics and gynecology Download PDFInfo
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Abstract
The present invention relates to a kind of detection bed for department of obstetrics and gynecology, including testing agency, supporting mechanism, sliding equipment, elevation measurement mechanism, bed mechanism and control module, wherein, the testing agency is vertically arranged in the side of supporting mechanism；The supporting mechanism is set on the sliding mechanism and moved horizontally along sliding equipment, and the bed mechanism above it can be driven to move up and down；The height measuring mechanism measures position and the elevation information of a mechanism in real time, and transmits into control module；The bed mechanism includes the hang plate and level board of connection, and pillow of lying is provided with the hang plate, stern pad is provided with level board, handrail is additionally provided with level board both sides.The present invention is by the adjustment to bed mechanism, the adjustment to filming machine vertical direction, to realize the adjustment of bed mechanism position and filming machine position, the adjustment Process Precision height of two-way adjustment according to preset order；Do not stand up to change position to adjust shooting angle in pregnant woman, and detection in real time is completed when sitting or lying low.
Description
Technical Field
The invention relates to the technical field of intelligent detection of obstetrics and gynecology department, in particular to an examining bed device for obstetrics and gynecology department.
Background
At hospital's gynaecology and obstetrics consulting room, the gynaecology doctor is when examining the patient's health, the patient need lie and diagnose the bed and carry out each item inspection, the bed majority of diagnosing that uses at present is ordinary bed, at the in-process of inspection like this, lack necessary sheltering from, although gynaecology consulting room is mostly the ms, also do not adapt to most of patients, mood when having influenced the patient to seek medical advice, and the bed simple structure that current gynaecology consulting room used, the function is single, the work efficiency and the inspection quality of obstetrical examination have greatly been influenced.
Especially, the current examining table of gynaecology and obstetrics can not adjust, and pregnant woman's health is many inconvenient, can not adjust the angle that detects according to the real-time detection demand.
Disclosure of Invention
The invention aims to provide an examining bed device for obstetrics and gynecology department, which is used for overcoming the technical defects in the prior art.
In order to achieve the above purpose, the invention provides an examining bed device for obstetrics and gynecology department, which comprises a detection mechanism, a supporting mechanism, a sliding mechanism, a height measuring mechanism, a bed mechanism and a control module, wherein the detection mechanism is vertically arranged on one side of the supporting mechanism; the supporting mechanism is arranged on the sliding mechanism, moves horizontally along the sliding mechanism and can drive the bed mechanism above the supporting mechanism to move up and down; the height measuring mechanism measures the position and height information of the bed mechanism in real time and transmits the information to the control module;
the bed mechanism comprises an inclined plate and a horizontal plate which are connected, a lying pillow is arranged on the inclined plate, a hip pad is arranged on the horizontal plate, and handrails are arranged on two sides of the horizontal plate;
the detection mechanism comprises a vertical plate, a supporting block arranged on the inner side of the vertical plate, a first oil cylinder arranged on the supporting block and a film shooting machine arranged on the first oil cylinder, and the film shooting machine arranged at the upper end of the piston rod moves up and down under the driving of the first oil cylinder; two sensor mounting plates which are vertically arranged are arranged on the inner side of the vertical plate, two rows of first position sensors for detecting the height of the film shooting machine are respectively arranged on the two sensor mounting plates, and information of the vertical position and the horizontal position obtained by detection is transmitted to the control module;
the height measuring mechanism is arranged outside the supporting mechanism, a second position sensor for detecting the height information of the bed mechanism is arranged on the height measuring mechanism, and the height information of the bed mechanism is detected in real time and transmitted to the control module;
the sliding mechanism comprises a sliding rail arranged in the middle and a second oil cylinder arranged at one end of the sliding rail and used for pushing the supporting mechanism to move horizontally; arranging a second position sensor on the sliding mechanism along the side part of the guide rail so as to detect the horizontal position of the supporting mechanism and transmit the horizontal position to the control module;
the supporting mechanism can drive the bed mechanism capable of adjusting the sitting posture to move up and down and comprises a first supporting plate and a second supporting plate which are arranged in the up-down direction, wherein an upper opening which is the same as a supporting plate of the bed mechanism is formed in the surface of the first supporting plate, and the supporting plate is arranged in the upper opening and can move up and down along the upper opening;
the lower opening is arranged at the position corresponding to the upper opening of the second supporting plate and the first supporting plate, the third oil cylinder for driving the supporting plate is arranged in the lower opening, a piston rod of the third oil cylinder is connected with the lower end of the supporting plate, and the supporting plate moves up and down in the upper opening under the driving of the third oil cylinder.
Furthermore, the control module comprises a signal acquisition unit for receiving real-time position information of the two groups of first position sensors, the second position sensors and the third position sensors, a comparison unit for processing signals transmitted by the signal acquisition unit, and a storage unit for storing each position information and position information threshold; and the control module controls the action and the travel range of the corresponding first oil cylinder, the third oil cylinder and the second oil cylinder after acquiring the real-time information of each position sensor.
Further, a vertical direction displacement threshold value and a horizontal direction position threshold value of the movement of the bed mechanism are stored in the storage unit, wherein the vertical direction displacement threshold value is A1 and A2, and the horizontal direction displacement threshold value is B1.
Further, the comparison unit determines a first group of first position transmissions according to the following mean value operation formulaCoincidence value P of sensor and second group of first position sensor 21 ：
In the formula, P 21 Representing coincidence values of resistances of the first and second position sensors of the first group, r 1 Representing real-time sampled values of a first group of first position sensors, r 2 Representing real-time sample values of a second set of first position sensors; r is 3 Representing real-time sampled values of a second position sensor; t represents a mean square error operation, and I represents an integration operation.
Further, the comparison unit determines the coincidence value P of the first position sensor and the second position sensor in the first group according to the following formula 31 ：
In the formula, P 31 Representing coincidence values of the resistances of the first and second position sensors of the first group,
in the formula, P 21 Coincidence values, r, representing the resistances of the first and second position sensors of the first group 1 Representing real-time sampled values of a first group of first position sensors, r 2 Representing real-time sample values of a second set of first position sensors; r is 3 Representing real time sampled values of a second position sensor; t denotes the mean square error operation and I denotes the integration operation.
Further, the comparison unit determines the coincidence value P of the first position sensor and the second position sensor of the second group according to the following formula 23 ：
In the formula, P 23 Representing coincidence values of a second set of first position sensors, a second position sensor,
in the formula, P 21 Coincidence values, r, representing the resistances of the first and second position sensors of the first group 1 Representing real-time sampled values of a first group of first position sensors, r 2 Representing real-time sample values of a second set of first position sensors; r is 3 Representing real time sampled values of a second position sensor; t denotes the mean square error operation and I denotes the integration operation.
Further, P acquired by the comparing unit 21 、P 31 、P 23 Calculating the average value of the three coincidence values to obtain a position information final value A in the vertical direction;
after obtaining the accurate position information final value a, comparing with two thresholds respectively:
if A < A1, the deviation range of the real-time detected vertical position and the set position threshold value is smaller, and the position of the bed mechanism is adjusted by controlling the lifting of a third oil cylinder with smaller adjustment range and displacing the threshold value A1 in the vertical direction;
if A1 is more than A and less than A2, the deviation range of the vertical position detected in real time and the set position threshold value is within a medium range, the third oil cylinder is adjusted to the threshold value A1, and then the first oil cylinder with a larger stroke is adjusted within the range of the threshold value A2;
if A is larger than A2, the deviation range of the vertical position detected in real time and the set position threshold value is larger, and the deviation range is used as the position of the bed mechanism adjusted by the first oil cylinder in the vertical direction through the displacement threshold value A2.
Further, the third position sensor detects the horizontal position information of the bed mechanism in real time, the first group of second position sensors and the first group of second position sensors detect the horizontal position information in real time, the accurate horizontal position information B is determined through the average value operation, and the displacement of the second oil cylinder and the moving distance of the supporting mechanism are determined through comparison with a horizontal direction displacement threshold value B1.
Furthermore, a through hole for a piston rod of the third oil cylinder to pass through is formed in the middle of the lower end of the upper opening, and a bottom supporting part of the upper opening is arranged on the periphery of the through hole and is an annular bottom side wall.
Further, at least two extension springs are arranged on the side wall of the annular bottom, when the third oil cylinder pushes the supporting plate upwards, the extension springs gradually apply downward pulling force to the supporting plate, and when the third oil cylinder pulls the supporting plate downwards, the extension springs gradually apply upward pushing force to the supporting plate.
Compared with the prior art, the invention has the advantages that the bed mechanism and the camera shooting machine are adjusted according to the preset sequence by adjusting the bed mechanism in the horizontal and vertical directions and adjusting the camera shooting machine in the vertical direction, and the adjustment process of the bidirectional adjustment has high precision; the pregnant woman can change the position without getting up to adjust the shooting angle, and the real-time detection is completed when the pregnant woman sits or lies down.
In particular, the support mechanism of the invention comprises a first support plate and a second support plate which are arranged in the up-down direction, wherein the surface of the first support plate is provided with an upper opening which is the same as a supporting plate of the support bed mechanism and can accommodate the supporting plate, and the supporting plate is arranged in the upper opening and can move up and down along the upper opening.
Preferably, when the shooting position between the bed mechanism position and the shooting machine is adjusted, the third oil cylinder with smaller adjustment range drives the supporting plate to enable the bed mechanism to lift, and if the adjustment range of the third oil cylinder is exceeded, the first oil cylinder with larger stroke range drives the shooting machine to adjust. Through adjusting in the threshold value scope separately by two sets of adjustment mechanism, avoid single adjustment mode to cause the shooting angle and the deformity between the bed mechanism angle, cause and shoot the deviation.
Preferably, the control module of the present invention includes a signal acquisition unit for receiving real-time position information of the first position sensor, the first group of second position sensors, and the second position sensor, a comparison unit for processing signals transmitted by the signal acquisition unit, and a storage unit for storing each position information and position information threshold. And the control module controls the action and the travel range of the corresponding first oil cylinder, the third oil cylinder and the second oil cylinder after acquiring the real-time information of each position sensor.
Compared with the prior art that the angle and the position of the camera can be adjusted only, the embodiment of the invention adjusts the optimal photographing angle by adjusting the vertical and horizontal positions of the bed mechanism and the vertical position of the camera at the same time.
Drawings
FIG. 1 is a schematic view of the examining table device for obstetrics and gynecology department according to the present invention;
FIG. 2 is a left side view of the supporting mechanism of the present invention;
FIG. 3 is a schematic front view of the detecting mechanism of the present invention;
fig. 4 is a schematic cross-sectional structural view of the supporting mechanism of the present invention when the pallet is placed in the upper opening.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood on a case-by-case basis for bed mechanisms of the art.
Referring to fig. 1, which are respectively schematic structural diagrams of the examining bed device for obstetrics and gynecology department of the present invention, the examining bed device comprises a detecting mechanism 2, a supporting mechanism 1, a sliding mechanism 3, a height measuring mechanism 4, a bed mechanism 6 and a control module, wherein the detecting mechanism 2 is vertically arranged at one side of the supporting mechanism 1, the supporting mechanism 1 is arranged on the sliding mechanism 3 and moves along the sliding mechanism 3 along a horizontal plane, and the bed mechanism 6 is arranged at the upper end of the supporting mechanism 1 and moves along with the supporting mechanism; the height measuring mechanism 4 measures the position and height information of the bed mechanism in real time and transmits the information to the control module. The support mechanism 1 of the embodiment of the invention can move horizontally along the sliding mechanism 3, and the support mechanism 1 can drive the bed mechanism 6 above the support mechanism to move up and down. When using, the user sits on bed mechanism 6 to through adjusting bed mechanism with adjustment user's posture, the user can keep the position of sitting or lie on bed mechanism 6, and bed mechanism is no longer described as prior art, and this embodiment need only satisfy and can set up on supporting mechanism, and can adjust the position of sitting. It should be noted that the bed mechanism 6 of the embodiment of the present invention includes an inclined plate and a horizontal plate which are connected, the inclined plate is provided with a lying pillow 61, the horizontal plate 63 is provided with a hip pad 63, and two sides of the horizontal plate are further provided with handrails 62, which are convenient for the pregnant woman to support. When the bed mechanism is photographed by an X-ray photographing machine, the detection mechanism 2 can drive the photographing machine to move up and down, and meanwhile, the support mechanism 1 can drive the bed mechanism to move along the horizontal direction or the vertical direction so as to adjust the photographing angle; after the position of the bed mechanism is adjusted, the B-ultrasonic examination or other item examinations are carried out on the pregnant woman lying on the bed.
Specifically, the detection mechanism 2 includes a vertical plate, a support block 21 disposed inside the vertical plate, a first oil cylinder 22 disposed on the support block 21, and a film shooting machine 23 disposed on the first oil cylinder 22, and the film shooting machine 23 disposed at the upper end of the piston rod moves up and down by the driving of the first oil cylinder 22. In order to ensure that the shooting machine 23 can stop at a preset height, the shooting machine 23 is prevented from being at a higher position to cause the distortion of a shooting angle; a height sensor 24 is arranged at the upper end of the vertical plate to detect the height of the shooting machine 23 in real time. Referring to fig. 2, which is a schematic view of a front view structure of the detection mechanism of the present invention, two sensor mounting plates 26 are vertically disposed on the inner side of the vertical plate, two rows of first position sensors 27 for detecting the height of the film shooting machine are disposed on the two sensor mounting plates, and the two rows of sensors are disposed on the two sensor mounting plates, so that the left and right positions of the bed mechanism can be detected, and after the height of the film shooting machine and the left and right positions of the bed mechanism are measured in real time, vertical and horizontal position information is transmitted to the control module.
With continued reference to fig. 1, the height measuring mechanism 4 is a vertical column disposed outside the supporting mechanism 1, and a second position sensor 52 for detecting the height information of the bed mechanism is disposed thereon, so as to detect the height information of the bed mechanism in real time and transmit the height information to the control module. Specifically, the sliding mechanism 3 includes a slide rail 33 disposed in the middle, and a second cylinder 31 disposed at one end of the slide rail 33 for pushing the support mechanism 1 to move horizontally, and correspondingly, a groove 34 corresponding to the slide rail 32 is disposed at the bottom of the support mechanism 1, and the slide rail 32 is disposed in the groove and moves along the groove. As can be understood by the bed mechanism in the field, the two ends of the slide rail are provided with position sensors for detecting the position of the supporting mechanism in real time; a second position sensor 30 is arranged on the side part of the sliding mechanism 3 along the guide rail to detect the horizontal position of the supporting mechanism 1 and transmit the horizontal position to a control module; meanwhile, a first position sensor 27 provided in the detection mechanism detects the position of the bed mechanism in real time.
Referring to fig. 4, which is a schematic cross-sectional structural view of the supporting mechanism of the present invention, in this embodiment, the supporting mechanism 1 can lift the bed mechanism and achieve any adjustment in the vertical direction. Specifically, the support mechanism 1 comprises a first support plate 12 and a second support plate 11 which are arranged in the up-down direction, wherein the surface of the first support plate 12 is provided with an upper opening 121 which is the same as a supporting plate 123 of the support bed mechanism and can accommodate the supporting plate 123, and the supporting plate 123 is arranged in the upper opening 121 and can move up and down along the upper opening 121; a support plate 123 is provided in the upper opening 121 of the first support plate 12, and the bed mechanism is supported by being placed on the support plate 123. A lower opening 122 is formed at a position of the second support plate 11 corresponding to the upper opening 121 of the first support plate 12, a third oil cylinder 125 for driving the supporting plate 123 is arranged in the lower opening 122, a piston rod of the third oil cylinder 125 is connected with the lower end of the supporting plate 123, and the supporting plate 123 moves up and down in the upper opening under the driving of the third oil cylinder 125. As shown in fig. 1, the support plate is extended out of the upper opening, and fig. 4 is the support plate in the upper opening, in this embodiment, three upper support plates are provided to drive the bed mechanism 6 to move up and down.
Those skilled in the art will appreciate that the three pallets can only be actuated when the bed mechanism 6 is higher than the support mechanism 1, i.e. the lowest position of the bed mechanism 6 is the position when placed on the upper surface of the support mechanism 1; in this case, if the shooting angle in the vertical direction needs to be adjusted, the position of the camera needs to be adjusted by the first cylinder.
In order to ensure that the supporting plate 123 can move within a preset distance, a through hole for a piston rod of the third cylinder 125 to pass through is formed in the middle of the lower end of the upper opening 121, and a bottom supporting part of the upper opening 121 is arranged around the through hole and is an annular bottom side wall. At least two extension springs 124 are arranged on the annular bottom side wall, when the third oil cylinder 126 pushes the supporting plate upwards, the extension springs 124 gradually apply downward pulling force to the supporting plate, and when the third oil cylinder 126 pulls the supporting plate downwards, the extension springs 124 gradually apply upward pushing force to the supporting plate.
Compared with the prior art that the angle and the position of the film shooting machine can be adjusted only, the embodiment of the invention adjusts the optimal shooting angle by adjusting the up-down position, the left-right position and the up-down position of the bed mechanism simultaneously.
The control module of the embodiment of the present invention includes a signal acquisition unit for receiving real-time position information of two sets of the first position sensor 27, the second position sensor 52, and the second position sensor 30, a comparison unit for processing signals transmitted by the signal acquisition unit, and a storage unit for storing each position information and position information threshold. After the control module obtains the real-time information of each position sensor, the control module controls the action and the travel range of the corresponding first oil cylinder 22, third oil cylinder 125 and second oil cylinder 31.
Specifically, a vertical displacement threshold and a horizontal position threshold are stored in the storage unit, wherein the vertical displacement threshold is A1 and A2, and the horizontal displacement threshold is B1. The two groups of the first position sensors 27 and the second position sensors 52 detect the height information of the bed mechanism in real time and transmit the detection data to the control module in real time, and because the three groups of the sensors detect the height information of the bed mechanism in real time, the comparison unit judges the coincidence value P of the first group of the first position sensors and the first group of the second position sensors according to the following mean value operation formula 21 ：
In the formula, P 21 Coincidence values, r, representing the resistances of the first and second position sensors of the first group 1 Representing real-time sampled values of a first group of first position sensors, r 2 Real-time sample values representing the first set of second position sensors; r is 3 Representing real-time sampled values of a second position sensor; t denotes the mean square error operation and I denotes the integration operation.
Wherein, I represents any integral operation based on quadratic function, the above formula is ratio information for obtaining integral, the following two formulas are the same, for example, based on function y = ax 2 In the case that x takes the value (a, b), a&And b is any value.
The basic algorithm of the above average operation is: the method comprises the steps of carrying out integral operation and mean square error operation on all values in a certain time period by obtaining position values of all sampling points in the certain time period, and then obtaining a ratio to obtain a comparative average value.
The comparison unit judges the coincidence value P of the first position sensor and the second position sensor in the first group according to the following formula 31 ：
In the formula, P 31 Representing coincidence values of resistances of the first and second position sensors of the first group, r 1 Representing real-time sampled values of a first group of first position sensors, r 2 Real-time sample values representing the first set of second position sensors; r is a radical of hydrogen 3 Representing real-time sampled values of a second position sensor; t denotes the mean square error operation and I denotes the integration operation. The comparison unit judges the coincidence value P of the first position sensor and the second position sensor in the second group according to the following formula 23 ：
In the formula, P 23 Representing coincidence values of the second set of first and second position sensors, r 1 Representing real-time sampled values of a first group of first position sensors, r 2 Real-time sample values representing the first set of second position sensors; r is 3 Representing real-time sampled values of a second position sensor; t represents a mean square error operation, and I represents an integration operation.
P obtained through the method 21 、P 31 、P 23 And obtaining the final value A of the position information in the vertical direction through the average calculation of the three coincidence values.
After obtaining the accurate position information final value a, comparing with two thresholds respectively:
if A < A1, the deviation range of the real-time detected vertical position and the set position threshold value is smaller, and the position of the bed mechanism is adjusted by controlling the lifting of the third oil cylinder 125 with smaller adjustment range and displacing the threshold value A1 in the vertical direction;
if A1< A < A2, the deviation range of the real-time detected vertical position and the set position threshold value is in a medium range, the third oil cylinder 125 is adjusted to the threshold value A1, and then the first oil cylinder 22 with a larger stroke is adjusted in the range of the threshold value A2;
if A is greater than A2, the deviation range of the vertical position detected in real time and the set position threshold value is larger, and the deviation range is used as the position of the bed mechanism adjusted by the first oil cylinder 22 through the displacement threshold value A2 in the vertical direction.
In the embodiment of the invention, when the shooting position between the position of the bed mechanism and the shooting machine is adjusted, the third oil cylinder with smaller adjustment amplitude drives the supporting plate to enable the bed mechanism to ascend and descend, and if the adjustment range of the third oil cylinder is exceeded, the first oil cylinder with larger stroke range drives the shooting machine to adjust. By adjusting the two groups of adjusting mechanisms within respective threshold value ranges, the defects of deformity between the shooting angle and the bed mechanism angle and shooting deviation caused by a single adjusting mode are avoided. For the embodiment of the present invention, no matter the vertical position or the horizontal position of the bed mechanism 6 is adjusted within the threshold range, the detection is completed when the patient sits or lies on the bed mechanism, and the patient does not need to stand up to adjust the posture.
Specifically, when detecting the horizontal position, the support mechanism 1 can only be pushed to move by the second cylinder 31 by detecting through the third position sensor and the two sets of second position sensors 52, so that the third position sensor 30 detects the bed mechanism horizontal position information in real time, the first set of second position sensors and the second set of second position sensors detect the horizontal position information in real time, and determine the accurate horizontal position information B through the above-mentioned mean calculation, and determine the displacement of the second cylinder and the moving distance of the support mechanism 1 by comparing with the horizontal displacement threshold B1.
In the embodiment, the adjustment of the bed mechanism position and the camera position is realized by adjusting in the horizontal and vertical directions, and the adjustment process of the bidirectional adjustment has high precision.
So far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the accompanying drawings, but it is readily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of features related to the bed mechanism of the prior art can be made without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. An examination bed device for obstetrics and gynecology department is characterized by comprising a detection mechanism, a supporting mechanism, a sliding mechanism, a height measuring mechanism, a bed mechanism and a control module, wherein the detection mechanism is vertically arranged on one side of the supporting mechanism; the support mechanism is arranged on the sliding mechanism and moves horizontally along the sliding mechanism, and can drive the bed mechanism above the support mechanism to move up and down; the height measuring mechanism measures the position and height information of the bed mechanism in real time and transmits the information to the control module;
the bed mechanism comprises an inclined plate and a horizontal plate which are connected, a lying pillow is arranged on the inclined plate, a hip pad is arranged on the horizontal plate, and handrails are arranged on two sides of the horizontal plate;
the detection mechanism comprises a vertical plate, a supporting block arranged on the inner side of the vertical plate, a first oil cylinder arranged on the supporting block and a shooting machine arranged on the first oil cylinder, and the shooting machine arranged at the upper end of the piston rod moves up and down under the driving of the first oil cylinder; two sensor mounting plates which are vertically arranged are arranged on the inner side of the vertical plate, two rows of first position sensors for detecting the height of the shooting machine are respectively arranged on the two sensor mounting plates, and information of vertical and horizontal positions obtained through detection is transmitted to the control module;
the height measuring mechanism is arranged outside the supporting mechanism, a second position sensor for detecting the height information of the bed mechanism is arranged on the height measuring mechanism, and the height information of the bed mechanism is detected in real time and is transmitted to the control module;
the sliding mechanism comprises a sliding rail arranged in the middle and a second oil cylinder arranged at one end of the sliding rail and used for pushing the supporting mechanism to move horizontally; arranging a second position sensor at the side part of the sliding mechanism along the guide rail so as to detect the horizontal position of the supporting mechanism and transmit the horizontal position to the control module;
the supporting mechanism can drive the bed mechanism capable of adjusting the sitting posture to move up and down and comprises a first supporting plate and a second supporting plate which are arranged in the up-down direction, wherein an upper opening which is the same as a supporting plate of the bed mechanism is formed in the surface of the first supporting plate, and the supporting plate is arranged in the upper opening and can move up and down along the upper opening;
the position of the second supporting plate corresponding to the upper opening of the first supporting plate is provided with a lower opening, a third oil cylinder for driving the supporting plate is arranged in the lower opening, a piston rod of the third oil cylinder is connected with the lower end of the supporting plate, and the supporting plate moves up and down in the upper opening under the driving of the third oil cylinder.
2. The gynecological examining bed device of claim 1, wherein the control module comprises a signal collecting unit for receiving the real-time position information of the two groups of first position sensors, the second position sensor and the third position sensor, a comparing unit for processing the signals transmitted by the signal collecting unit, and a storage unit for storing the position information and the position information threshold; and the control module controls the action and the travel range of the corresponding first oil cylinder, the third oil cylinder and the second oil cylinder after acquiring the real-time information of each position sensor.
3. The gynecological examination bed device according to claim 2, wherein a vertical displacement threshold value and a horizontal position threshold value of the movement of the bed mechanism are stored in the storage unit, wherein the vertical displacement threshold value is A1 and A2, and the horizontal displacement threshold value is B1.
4. The examining table device for obstetrics and gynecology department according to claim 3, wherein the comparing unit judges the first group according to the following mean value operation formulaCoincidence value P of first position sensor and second position sensor 21 ：
In the formula, P 21 Representing coincidence values of resistances of the first and second position sensors of the first group, r 1 Representing real-time sampled values of a first group of first position sensors, r 2 Representing real-time sample values of a second set of first position sensors; r is 3 Representing real-time sampled values of a second position sensor; t denotes the mean square error operation and I denotes the integration operation.
5. The device as claimed in claim 4, wherein the comparing unit determines the coincidence value P of the first and second position sensors according to the following formula 31 ：
In the formula, P 31 Representing coincidence values of the resistances of the first and second position sensors of the first group,
in the formula, P 21 Coincidence values, r, representing the resistances of the first and second position sensors of the first group 1 Representing real-time sampled values of a first group of first position sensors, r 2 Representing real-time sample values of a second set of first position sensors; r is a radical of hydrogen 3 Representing real-time sampled values of a second position sensor; t represents a mean square error operation, and I represents an integration operation.
6. The gynecological examining table device of claim 5, wherein the comparing unit determines the coincidence value P of the second group of the first position sensor and the second position sensor according to the following formula 23 ：
In the formula, P 23 Representing coincidence values of the second set of first position sensors, the second position sensor,
in the formula, P 21 Coincidence values, r, representing the resistances of the first and second position sensors of the first group 1 Representing real-time sampled values of a first group of first position sensors, r 2 Representing real-time sample values of a second set of first position sensors; r is 3 Representing real time sampled values of a second position sensor; t represents a mean square error operation, and I represents an integration operation.
7. The examining table device for obstetrics and gynecology department according to claim 6, wherein P acquired by the comparing unit 21 、P 31 、P 23 Calculating the average value of the three coincidence values to obtain a position information final value A in the vertical direction;
after obtaining the accurate position information final value a, comparing with two thresholds respectively:
if A < A1, the deviation range of the vertical position detected in real time and the set position threshold value is smaller, and the position of the bed mechanism is adjusted only by controlling the lifting of a third oil cylinder with smaller adjustment range and displacing the threshold value A1 in the vertical direction;
if A1 is less than A < A2, the deviation range of the real-time detected vertical position and the set position threshold value is in a medium range, the third oil cylinder is adjusted to the threshold value A1, and then the first oil cylinder with a larger stroke is adjusted in the range of the threshold value A2;
if A is larger than A2, the deviation range of the real-time detected vertical position and the set position threshold value is larger, and the deviation range is used as the position of the bed mechanism adjusted by the first oil cylinder in the vertical direction through the displacement threshold value A2.
8. The examining table device for obstetrics and gynecology department of claim 7, wherein said third position sensor detects the horizontal position information of the table mechanism in real time, the first group of the second position sensors and the first group of the second position sensors detect the horizontal position information in real time, and the accurate horizontal position information B is determined by the above-mentioned mean value operation, and the displacement of the second cylinder and the moving distance of the supporting mechanism are determined by comparing with the horizontal direction displacement threshold value B1.
9. The examining table device for obstetrics and gynecology department of claim 7, wherein the middle part of the lower end of the upper opening is provided with a through hole for the piston rod of the third cylinder to pass through, and the periphery of the through hole is a bottom supporting part of the upper opening, which is an annular bottom side wall.
10. The gynecological examination bed device of claim 9, wherein at least two extension springs are provided on the bottom side wall of the ring shape, and the extension springs gradually apply a downward pulling force to the support plate when the third cylinder pushes the support plate upward, and gradually apply an upward pushing force to the support plate when the third cylinder pulls the support plate downward.
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| CN201710966112.6A CN107595537A (en) | 2017-10-17 | 2017-10-17 | A kind of detection bed for department of obstetrics and gynecology |
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| CN201710966112.6A CN107595537A (en) | 2017-10-17 | 2017-10-17 | A kind of detection bed for department of obstetrics and gynecology |
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Application publication date: 20180119 |