CN217424341U - Biological tissue multiple spot thickness measuring device - Google Patents
Biological tissue multiple spot thickness measuring device Download PDFInfo
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- CN217424341U CN217424341U CN202220683189.9U CN202220683189U CN217424341U CN 217424341 U CN217424341 U CN 217424341U CN 202220683189 U CN202220683189 U CN 202220683189U CN 217424341 U CN217424341 U CN 217424341U
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Abstract
The utility model provides a multi-point thickness measuring device for biological tissues, which comprises a control box, a test board for placing the biological tissues and a plurality of thickness sensors, the thickness sensor comprises a measuring head, a driving device is arranged in the control box, the measuring head is arranged below the control box, and can move relative to the control box under the driving of the driving device, the test platform is positioned below the thickness sensor, the thickness sensor is capable of transmitting first position data to a processing device when the probe moves relative to the control box to contact the test stand, and the second position data can be transmitted to the processing device when the control box moves to be in contact with the biological tissue on the test board, so that the processing device can calculate the thickness of the corresponding part of the biological tissue according to the first position data and the second position data of each thickness sensor. The thickness test point diversification is realized to this device, has the universality, increases measurement standard nature, improves the precision.
Description
Technical Field
The utility model relates to a measuring device, concretely relates to biological tissue multiple spot thickness measuring device.
Background
The traditional biological tissue thickness measurement is performed by taking multiple single-point measurements as needed by a thickness gauge. For example, for a biological valve leaflet material that is not uniform in thickness, the general thickness measurement procedure is roughly: the sample material is placed on a circular table, at least four point single point thickness measurements are made using a thickness gauge, and the measurements are recorded separately, and the recorded measurements are processed mathematically (e.g., by averaging) as necessary.
The disadvantages of this thickness measurement are:
1. the error of the measurement result is large;
2. the operation is complicated, time and labor are wasted, the error rate is high (for example, the reading is inaccurate), and workers are required to have certain quality;
3. when the thickness gauge is used for measuring the biological tissue, the corresponding part of the biological tissue is easily in a squeezed state, so that the tissue structure is damaged, and the product quality is finally influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a multi-point thickness measuring device for biological tissue.
The utility model provides a multi-point thickness measuring device for biological tissues, which comprises a control box, a test board for placing the biological tissues and a plurality of thickness sensors, the thickness sensor comprises a measuring head, a driving device is arranged in the control box, the measuring head is arranged below the control box, and can move relative to the control box under the drive of the drive device, the test platform is positioned below the thickness sensor, the thickness sensor is capable of transmitting first position data to a processing device when the gauge head moves relative to the control box to contact the test stand, and the second position data can be transmitted to the processing device when the control box moves to be in contact with the biological tissue on the test board, so that the processing device can calculate the thickness of the corresponding part of the biological tissue according to the first position data and the second position data of each thickness sensor.
Optionally, the thickness sensor further comprises a cylinder and a foldable sleeve, the upper end of the foldable sleeve is connected with the cylinder, the lower end of the foldable sleeve is connected with the measuring head, and the cylinder is connected with the driving device.
Optionally, the probe is in a shape of a circular truncated cone.
Optionally, the driving device is an air pump and can vacuumize the interior of the cylinder body; a pneumatic switch for controlling the action of the air pump is arranged on one side surface of the control box.
Optionally, an air inlet is arranged at the upper end of the cylinder body, and an air pressure interface of the air pump is communicated with the air inlet.
Optionally, the other side surface of the control box is provided with a main switch, a power supply and a data transmission interface, wherein,
a part of the structure of the power supply penetrates into the control box and is used for supplying power to the driving device and the thickness sensor under the control of the main switch;
the main switch is electrically connected with the power supply; the pneumatic switch realizes the on-off of the air supply of the thickness sensor through the control of the electromagnetic valve;
the data transmission interface is connected with the processing device and the thickness sensor, so that the processing device can receive thickness data detected by the thickness sensor.
Optionally, the hydraulic cylinder further comprises a main body frame, the main body frame comprises an upper plate and a lower plate which are arranged at intervals, the control box is arranged above the upper plate, a plurality of fixing interfaces for the cylinder body to penetrate through are arranged on the upper plate, and the test bench is arranged on the lower plate.
Optionally, the main body frame further comprises a pair of connection columns, the connection columns are separately arranged on two opposite sides of the test platform, one end of each connection column is connected with the upper plate, and the other end of each connection column is connected with the lower plate.
Optionally, the main body frame further includes a pair of reinforcing columns respectively disposed at both sides of the test table, the reinforcing columns are obliquely disposed between the upper plate and the lower plate, and one end of each reinforcing column is connected to the upper plate, and the other end of each reinforcing column is connected to the connecting column.
Optionally, the test stand is made of at least one of marble or glass or stainless steel.
In conclusion, by arranging the control box, the processing device and the plurality of thickness sensors, the utility model can realize multi-point thickness measurement of biological tissues, does not have the defects of large error, complex operation, time and labor consumption and high error rate of the traditional single-point thickness measurement, and does not have overhigh requirement on the quality of workers; furthermore, because the device is provided with a plurality of fixed interfaces which are used for being matched with the thickness sensor and being fixed in position, the device can realize diversification of thickness test points, can well adapt to biological tissues with different shapes, has universality, does not have deviation of artificially selecting a biological tissue thickness measuring position, can increase the standard of biological tissue thickness measurement, and improves the test precision.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a multi-point thickness measuring device for biological tissues in an embodiment of the present invention.
Fig. 2 is a schematic structural view of the main body frame according to the embodiment of the present invention.
Fig. 3 is a schematic diagram of a thickness sensor according to an embodiment of the present invention.
Fig. 4 is a schematic view of the side and the back of the multi-point thickness measuring device for biological tissue according to the embodiment of the present invention.
Description of the reference numerals
1-control box, 2-thickness sensor, 20-foldable sleeve, 21-measuring head, 22-cylinder, 3-main body frame, 31-lower plate, 32-test table, 33-upper plate, 331-fixed interface, 34-connecting column, 35-reinforcing column, 4-pneumatic switch, 5-main switch, 6-power supply and 7-data transmission interface.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
As shown in fig. 1 and 2, the multi-point thickness measuring device for biological tissue according to the present embodiment includes a control box 1, a main body frame 3, a processing device (not shown), and a plurality of thickness sensors 2, wherein the control box 1 is located near the processing device and has a driving device (not shown) disposed therein, and the thickness sensors 2 include a measuring head 21, and the driving device is connected to the thickness sensors 2 and can drive the measuring head 21 to move up and down. The principle of the device for measuring the thickness of the biological tissue comprises the following steps: firstly, a reference horizontal plane is constructed, the measuring head 21 is in contact with the reference horizontal plane, the height of the measuring head 21 at the moment is recorded as first position data, the first position data are transmitted to a processing device, the measuring head 21 retracts (namely the measuring head 21 moves upwards) through controlling a driving device, then biological tissues are flatly placed on a test bench, then the driving device is closed, the measuring head 21 naturally falls onto different positions of the biological tissues under the action of gravity, the height of the measuring head 21 at the moment is detected, the height data are recorded as second position data and the second position data are transmitted to the processing device, and then the processing device calculates the thickness of the corresponding part of the biological tissues according to the first position data and the second position data transmitted by the thickness sensors 2. It should be noted that, the specific structure inside the thickness sensor 2 belongs to the prior art, and the thickness sensor 2 may be a displacement sensor, such as a TESA displacement sensor.
Specifically, the control box 1 in this embodiment is disposed above a main body frame 3, the main body frame 3 is a right-angled U-shaped frame with a forward opening, and includes a lower plate 31, a test table 32, and an upper plate 33, which are sequentially disposed from bottom to top, and further includes a pair of connecting posts 34 connected to the upper plate 33 and the lower plate 31, respectively; wherein the test bench 32 is disposed on the lower plate 31, preferably made of marble or glass or stainless steel, and has a smooth and flat upper surface for contacting the thickness sensor 2 as the aforementioned reference level; the upper plate 33 is provided with a plurality of fixing interfaces 331 penetrating through the upper plate 33 along the vertical direction, and the fixing interfaces 331 are arranged on the upper plate 33 in a matrix shape and used for being in interference fit with the thickness sensor 2, so that the thickness sensor 2 can be fixed on the upper plate 33, and the measuring head 21 can conveniently move up and down to be in contact with the test bench 32 or be far away from the test bench 32; the pair of connection posts 34 are respectively located at the left and right sides of the test table 32, and one end of each connection post 34 is integrally connected to the upper plate 33 at the rear portion of the upper plate 33, and the other end of each connection post is integrally connected to the lower plate 31 at the rear portion of the lower plate 31, so that a structure with a forward opening of the main body frame 3 is formed, and a worker can conveniently place biological tissues on the test table 32.
Preferably, a pair of reinforcing columns 35 are further provided at both left and right sides of the test stand 32, the reinforcing columns 35 being obliquely provided at both sides of the test stand 32 and having one end connected to the upper plate 33 and the other end connected to the connection column 34 to construct a triangular region having stability between the upper plate 33 and the lower plate 31, thereby increasing the stability of the main body frame 3.
Referring to fig. 3, the thickness sensor 2 includes a cylinder 22 and a measuring head 21 located below the cylinder 22, wherein the measuring head 21 is a circular table with a diameter of 10mm, and the cylinder 22 can be in interference fit with the fixing interface 331; and the upper end of the cylinder 22 is connected to a driving device. In this embodiment, when the driving device does not work, the measuring head 21 will make free-fall movement; when the biological tissue is not placed on the upper surface of the test stage 32, the gauge head 21 is brought into contact with the upper surface of the test stage 32, so that the thickness sensor 2 can directly record the first position data at the beginning of the thickness measurement. It should be noted that the number of the thickness sensors 2 and the number of the fixing interfaces 331 are not necessarily the same in this embodiment, and a person skilled in the art can flexibly select points (generally at least four points) to be subjected to thickness measurement on the biological tissue, select the corresponding fixing interfaces 331 according to the number and positions of the points to be subjected to thickness measurement, and finally install the thickness sensors 2 on the corresponding fixing interfaces 331. Further, the weight of the measuring head 21 of each thickness sensor 2 in the embodiment is 1-2g, which is extremely light, and can ensure that the measuring head 21 can not cause any damage to the biological tissue when the measuring head is free to fall after being supported by the driving device.
More specifically, the driving device in this embodiment is an air pump, the thickness sensor 2 is provided with a foldable sleeve 20 near the measuring head 21, the foldable sleeve 20 is arranged between the measuring head 21 and the cylinder 22, and the upper end of the foldable sleeve 20 is connected with the measuring head 21 and the lower end of the foldable sleeve is connected with the cylinder 22; thus, when the driving device works, the driving device will extract the air in the cylinder 22, so that the foldable sleeve 20 is contracted, and the measuring head 21 moves upwards; when the driving device is closed, the foldable sleeve 20 is unfolded, and the measuring head 21 falls down due to gravity and reaches the corresponding position of the biological tissue to be measured (the principle is the working principle of the partial displacement sensor in the prior art, and the detailed description is omitted herein). In contrast, the upper end of the cylinder 22 is provided with an air inlet, and an air pressure interface of the driving device is communicated with the air inlet, so that the driving device can perform a vacuum pumping action on the inside of the cylinder 22 through the air inlet when in operation, and the measuring head 21 retracts (moves upwards). In this embodiment, the thickness sensors 2 are provided in one-to-one correspondence with the air pumps. Certainly, the driving device and the thickness sensors 2 may be in a one-to-many relationship, that is, when there are a plurality of thickness sensors 2, the driving device may be only one air pump, and at this time, the air pump has a plurality of output air paths to drive the plurality of thickness sensors 2 through a plurality of air pressure interfaces.
Furthermore, as shown in fig. 4, a pneumatic switch 4 for controlling whether the air pump works is arranged on the right side surface of the control box 1, a main switch 5, a power supply 6 and a data transmission interface 7 are arranged on the rear surface of the control box 1, wherein the pneumatic switch 4 is connected with the air pump, and a part of the structure of the power supply 6 penetrates into the control box 1 and is used for supplying power to the driving device and the thickness sensor 2 under the control of the main switch 5; the main switch 5 is electrically connected with a power supply 6; the pneumatic switch 4 realizes the on-off of the air supply of the thickness sensor 2 through the control of the electromagnetic valve; the data transmission interface 7 is used for connecting the processing device and the thickness sensor 2, so that the processing device can receive the thickness data detected by the thickness sensor 2.
In summary, the step of measuring the thickness of the biological tissue by using the multi-point thickness measuring device for the biological tissue in the embodiment includes:
s1: selecting a plurality of fixed interfaces 331 according to the point of the biological tissue to be measured;
s2: preparing the same number of thickness sensors 2 according to the selected number of the fixed interfaces 331, and completing the assembly between the thickness sensors 2 and the driving device and the main body frame 3; after the thickness sensor 2, the driving device and the main body frame 3 are assembled, the measuring head 21 is contacted with the test bench 32;
s3: the main switch 5 is turned on but the driving device is not operated, and the thickness sensor 2 is manually set to zero; thus, the thickness sensor 2 will record that the height of the measuring head 21 is zero (first position data) by using the upper surface of the test table 32 as a reference horizontal plane, and transmit the height to the processing device;
s4: turning on a pneumatic switch to enable the driving device to work, enabling the measuring head 21 of the thickness sensor 2 to retract, and moving upwards to a preset height;
s5: placing the biological tissue on the test station 32;
s6: the pneumatic switch is closed, and the measuring head 21 which is not supported by the driving device naturally falls to the corresponding test point of the biological tissue under the action of gravity;
s7: the thickness sensor 2 records the height of the measuring head 21 at the moment as second position data and transmits the second position data to the processing device;
s8: the processing device subtracts the second position data from the first position data to obtain the height variation corresponding to different positions of the biological tissue, wherein the height variation is the thickness of the biological tissue at the position;
s9: the processing device calculates the average thickness of the biological tissue and the range of the thickness data according to the obtained thickness data, and completes the thickness measurement of the biological tissue.
In conclusion, by arranging the control box, the processing device and the plurality of thickness sensors, the utility model can realize multi-point thickness measurement of biological tissues, does not have the defects of large error, complex operation, time and labor consumption and high error rate of the traditional single-point thickness measurement, and does not have overhigh requirement on the quality of workers; furthermore, because the device is provided with a plurality of fixed interfaces 331 which are used for being matched with the thickness sensor 2 and are fixed in position, the device can realize diversification of thickness test points, can well adapt to biological tissues with different shapes, has universality, does not have deviation of artificially selecting a biological tissue thickness measuring position, can increase the standard of biological tissue thickness measurement, and improves the test precision.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The multipoint thickness measuring device for the biological tissue is characterized by comprising a control box (1), a test board (32) for placing the biological tissue and a plurality of thickness sensors (2), wherein each thickness sensor (2) comprises a measuring head (21), a driving device is arranged in the control box (1), the measuring head (21) is arranged below the control box (1) and can move relative to the control box (1) under the driving of the driving device, the test board (32) is arranged below the thickness sensors (2), the thickness sensors (2) can transmit first position data to a processing device when the measuring heads (21) move relative to the control box (1) to be in contact with the test board (32) and can move relative to the control box (1) to be in contact with the biological tissue on the test board (32), transmitting the second position data to a processing device, facilitating the processing device to calculate the thickness of the corresponding portion of biological tissue from the first position data and the second position data of each thickness sensor (2).
2. The device for multipoint thickness measurement of biological tissue according to claim 1, wherein said thickness sensor (2) further comprises a cylinder (22) and a foldable sleeve (20), the upper end of said foldable sleeve (20) is connected with said cylinder (22), the lower end is connected with said probe (21), and said cylinder (22) is connected with said driving means.
3. A device for multipoint measurement of thickness of biological tissue according to claim 1, characterized in that said probe (21) is in the form of a circular truncated cone.
4. The multipoint thickness measuring device for biological tissue according to claim 2, wherein the driving device is an air pump capable of performing a vacuum pumping action on the inside of the cylinder body (22); a pneumatic switch (4) for controlling the action of the air pump is arranged on one side surface of the control box (1).
5. The multipoint thickness measuring device for biological tissues as claimed in claim 4, wherein an air inlet is arranged at the upper end of the cylinder body (22), and an air pressure interface of the air pump is communicated with the air inlet.
6. The multi-point thickness measuring device for biological tissues according to claim 4, wherein the other side surface of the control box (1) is provided with a main switch (5), a power supply (6) and a data transmission interface (7), wherein,
a part of the structure of the power supply (6) penetrates into the control box (1) and is used for supplying power to the driving device and the thickness sensor (2) under the control of the main switch (5);
the main switch (5) is electrically connected with the power supply (6); the pneumatic switch (4) realizes the on-off of the air supply of the thickness sensor (2) through controlling the electromagnetic valve;
the data transmission interface (7) is connected with the processing device and the thickness sensor (2) so that the processing device can receive thickness data detected by the thickness sensor (2).
7. The multi-point thickness measuring device for biological tissues according to claim 2, further comprising a main body frame (3), wherein the main body frame (3) comprises an upper plate (33) and a lower plate (31) which are arranged at intervals, the control box (1) is arranged above the upper plate (33), the upper plate (33) is provided with a plurality of fixing interfaces (331) for the cylinder bodies (22) to pass through, and the test table (32) is arranged on the lower plate (31).
8. The multi-point thickness measuring device for biological tissues according to claim 7, wherein said body frame (3) further comprises a pair of connecting posts (34), said connecting posts (34) are separated at two opposite sides of said test table (32), and one end of said connecting posts (34) is connected to said upper plate (33) and the other end is connected to said lower plate (31).
9. The multi-spot thickness measuring device for biological tissue according to claim 8, wherein said main body frame (3) further comprises a pair of reinforcing columns (35) respectively disposed at both sides of said test table (32), said reinforcing columns (35) being obliquely disposed between said upper plate (33) and said lower plate (31) and having one end connected to said upper plate (33) and the other end connected to said connecting column (34).
10. The biological tissue multi-point thickness measuring device according to claim 1, wherein the test bench (32) is made of at least one of marble or glass or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220683189.9U CN217424341U (en) | 2022-03-25 | 2022-03-25 | Biological tissue multiple spot thickness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220683189.9U CN217424341U (en) | 2022-03-25 | 2022-03-25 | Biological tissue multiple spot thickness measuring device |
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| Publication Number | Publication Date |
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| CN217424341U true CN217424341U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220683189.9U Active CN217424341U (en) | 2022-03-25 | 2022-03-25 | Biological tissue multiple spot thickness measuring device |
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- 2022-03-25 CN CN202220683189.9U patent/CN217424341U/en active Active
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