CN113252229B - Non-static fluid pressure measuring device and using method thereof - Google Patents
Non-static fluid pressure measuring device and using method thereof Download PDFInfo
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- CN113252229B CN113252229B CN202110801410.6A CN202110801410A CN113252229B CN 113252229 B CN113252229 B CN 113252229B CN 202110801410 A CN202110801410 A CN 202110801410A CN 113252229 B CN113252229 B CN 113252229B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/022—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges constructional details, e.g. mounting of elastically-deformable gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/024—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges with mechanical transmitting or indicating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
- G01L7/086—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type with optical transmitting or indicating means
Abstract
The application provides a non-static fluid pressure measuring device and application method thereof, measures power, stress, torque, merit, mechanical power, mechanical efficiency or fluid pressure field, including the stereoplasm shell, the inside of stereoplasm shell is equipped with pressure measurement structure and actuating mechanism, actuating mechanism is located one side of pressure measurement structure, one side of stereoplasm shell is equipped with the portion shell of observing, be equipped with between stereoplasm shell and the portion shell of observing and dismantle sealing mechanism, stereoplasm shell and the inside amalgamation mechanism that is equipped with in one side that the portion shell of observing is in opposite directions. This application uses through the cooperation of the actuating mechanism who sets up and data observation mechanism, shows the deformation volume of the pressure that the film received through the spring, and the film keeps not taking place the state of deformation when having realized measuring fluid pressure, has solved among the prior art film and has received pressure and take place the deformation back, and when the fluid passes through the film after the deformation, the velocity of flow changes, causes the unsafe problem of fluid pressure measuring's data.
Description
Technical Field
The invention relates to the field of measuring force, stress, torque, work, mechanical power, mechanical efficiency or fluid pressure, in particular to a fluid pressure measuring device, and specifically relates to a non-static fluid pressure measuring device and a using method thereof.
Background
The fluid pressure may be defined as: considering a certain plane in the fluid, when the fluid on two sides of the plane has no relative movement, the acting force on any unit area on the plane is applied; on a microscopic level, pressure is a representation of the average force generated by molecular motion on a container wall impact, and fluid pressure measurements now typically measure the hydrostatic pressure of a fluid.
The working principle of the film sheet type pressure sensor is that the pressure of a fluid is measured by utilizing the deformation of a pressed film, and when the fluid flows, the fluid is influenced by the deformed film when passing through the film, so that the flowing speed of the fluid is changed, and the measuring accuracy is influenced; when the piston type pressure gauge measures the pressure of flowing fluid, the fluid pressure changes along with the flow velocity of the fluid, and the flow velocity of the fluid at the measurement position is different from the flow velocity and the pressure of the fluid in the surrounding area, so that the pressure of the flowing fluid cannot be measured well.
We have therefore developed a non-stationary fluid pressure measurement device and method of use.
Disclosure of Invention
The invention aims to: the method aims at solving the problem that the fluid pressure in the flowing process cannot be measured more accurately at present.
In order to achieve the above purpose, the invention provides the following technical scheme:
a non-static fluid pressure measuring device and a method for using the same are provided to improve the above problems.
The present application is specifically such that:
the utility model provides a non-static fluid pressure measuring device, includes the stereoplasm shell, the inside of stereoplasm shell is equipped with pressure detection structure and actuating mechanism, actuating mechanism is located one side of pressure detection structure, one side of stereoplasm shell is equipped with the observation portion shell, be equipped with between stereoplasm shell and the observation portion shell and dismantle sealing mechanism, the inside amalgamation mechanism that is equipped with in one side that stereoplasm shell and observation portion shell are opposite, actuating mechanism extends to in the observation portion shell, the inside of observation portion shell is equipped with data observation mechanism.
As the preferred technical scheme of this application, the pressure detection structure includes that fixed connection just keeps away from the film of actuating mechanism one side in that the stereoplasm shell is inside, one side surface coating that the film is close to actuating mechanism has the reflector layer, one side inner wall of stereoplasm shell inlays and is equipped with the reflector, the opposite side inner wall of stereoplasm shell inlays and is equipped with light emitting source and three receiver, and is three the receiver is located the one side of being close to, light emitting source and three receiver all set up to the direction slope of film.
As the preferred technical scheme of this application, actuating mechanism includes driving motor, the fixed connecting rod that is equipped with between driving motor and the hard outer shell, driving motor's the fixed threaded rod that is equipped with of pivot.
As the preferred technical scheme of this application, the enlarged function shell of stereoplasm shell one side is kept away from to observation portion's shell including circular shell and fixed connection in circular shell, the spout has all been seted up to the both sides inner wall of circular shell, the filler has been seted up to the avris of enlarging the function shell, the inside of filler is equipped with the water injection lid.
As the preferred technical scheme of this application, the assembly mechanism includes a sealing rubber piece and fixed connection in the inside No. two sealing rubber pieces of observation portion shell of fixed connection inside the hard casing, one side that a sealing rubber piece is close to the observation portion shell is inlayed and is equipped with the magnet ring, the middle part of a sealing rubber piece alternates and is equipped with a logical pipe, No. two sealing rubber pieces are equipped with the hoop corresponding with the magnet ring in one side of being close to the hard casing, No. two sealing rubber piece's middle part alternates and is equipped with No. two siphunculus.
As the preferable technical scheme of the application, the data observation mechanism comprises a moving block, two limiting rods are fixedly arranged on the circumferential side of the moving block, rollers positioned in a sliding groove are arranged at the end parts of the limiting rods, a scale plate extending to the interior of the amplification function shell is fixedly arranged on the moving block, pressure scales and force scales are respectively arranged on two sides of the front end of the scale plate, a spring positioned at the front end of the sliding groove is fixedly arranged on one side of the moving block, a pull rod is fixedly arranged on one side, away from the moving block, of the spring, a numerical pointer is fixedly arranged at one end, close to the spring, of the pull rod, the numerical pointer consists of two pointers, the included angle between the two pointers is 120 degrees, the bisector of the included angle between the numerical pointers is perpendicular to the scale plate, a piston plate is fixedly arranged at the other end of the pull rod, and the circumferential side of the piston plate is attached to the inner wall of the amplification function shell, one side of the piston plate, which is far away from the spring, is hinged with a hook, and the end part of the threaded rod penetrates through the first through pipe and the second through pipe to be connected with the moving block through threads.
As the preferred technical scheme of this application, the transversal triangle-shaped of personally submitting of function shell of magnifying, the equal arc in three limits of triangle-shaped sets up, three angles of triangle-shaped all set up to the fillet, the inner chamber of magnifying the function shell is triangle-shaped equally, one side that the scale plate has the scale mark sets up to the fillet at the relative angle of function shell inner chamber of magnifying, the radian at the outside fillet of function shell of magnifying is less than the radian at function shell inner chamber fillet of magnifying.
As the preferred technical scheme of this application, dismantle sealing mechanism including being located the interlayer between a sealing rubber piece and No. two sealing rubber pieces, the jack has been seted up at the middle part of interlayer, the tip of a logical pipe and No. two siphunculuses one side in opposite directions all is located the jack, the external diameter of a logical pipe and No. two siphunculuses equals with the internal diameter of jack, the fixed sealing ring that locates on stereoplasm shell and the circular shell that is equipped with the cover in the circumference side of interlayer, the both sides of sealing ring all are equipped with dismantles the structure.
As the preferred technical scheme of this application, dismantle the structure include with sealing ring articulated fin, the tip of fin extends to the inside of sealing ring, the fin is located the inside partial one side of inlaying and locating the interlayer of sealing ring, the other end of fin is equipped with the connecting block, be equipped with steering mechanism between fin and the connecting block, the fixed hang plate that is equipped with in one side that circular housing was kept away from to the connecting block, the hang plate is the slope setting, be equipped with anti-skidding line on the hang plate.
As the preferred technical scheme of this application, steering mechanism is including offering the rotation groove on the fin, with connecting block fixed connection's axis of rotation and being located two fixed knot that rotate the groove both sides respectively and construct, the axis of rotation is located the inside that rotates the groove, it is fixed and is equipped with the spacing ring just to be close to connecting block one side to rotate inslot portion, the end fixing of axis of rotation is equipped with the separation blade, fixed knot construct include with fin fixed connection's iron prop and offer on the connecting block and with the corresponding fixed orifices of iron prop, the fixed orifices internal fixation is equipped with the magnet piece.
A method of using a non-stationary fluid pressure measurement device, comprising the steps of:
step one, assembling the device: the observation part shell, the internal structure of the observation part shell and the internal medium of the observation part shell with different application ranges are replaced according to the actual needs and the fluid pressure, the hard shell and the observation part shell can be separated by detaching the sealing mechanism, the observation part shell and the internal structure of the observation part shell are replaced according to the external pressure, and then the hard shell and the replaced observation part shell are quickly assembled through the assembling mechanism;
step two, detecting pressure: when in detection, the outside of the hard shell is in fluid, the pressure detection structure enables the illumination point to move after detecting the pressure, so that the sensed fluid pressure is reflected in a mode of moving the illumination point, the driving mechanism operates according to the moving direction and degree of the illumination point, and the driving mechanism drives the data observation mechanism according to the moving operation of the illumination point;
step three, data conversion: the data observation mechanism converts the pressure detected by the pressure detection structure and then obtains a specific numerical value, and in the conversion process, the data observation mechanism adjusts the internal pressure and the external pressure of the hard shell and the shell of the observation part to be equal, and then the pressure numerical value is obtained through the data observation mechanism;
step four, the force measuring function: when force needs to be measured, the force can be measured as a spring dynamometer through the data observation mechanism.
Compared with the prior art, the invention has the beneficial effects that:
in the scheme of the application:
1. through the arranged pressure detection structure, the deformation degree of the film under pressure is expressed in a light reflection mode, the deformation which is not easy to perceive is converted into a more obvious light moving distance, and the moving distance is amplified after the reflection of the reflector, so that the fluid pressure measurement data can be more accurate;
2. the driving mechanism and the data observation mechanism are matched for use, so that the pressure received by the film is expressed through the deformation quantity of the spring, the film is kept in an undeformed state when the fluid pressure is measured, and the problem that the fluid pressure measurement data is inaccurate due to the change of the flow speed when the fluid passes through the deformed film after the film is deformed by the pressure in the prior art is solved;
3. through the arranged amplification function shell, the three sides of the amplification function shell are designed in an arc shape, and two corners of the amplification function shell on the side opposite to the scale plate are both set as round corners, so that when the scales and the numerical value pointers on the scale plate are observed from the sides of the amplification function shell and from the angle opposite to the scale plate, the observed numerical value pointers and the scale plate are amplified, and measurement data can be observed more easily;
4. the pressure detection structure and the observation part shell are spliced by the magnetic force of the magnet through the arranged splicing mechanism, so that the pressure detection structure and the observation part shell are quickly spliced;
5. through the arranged disassembling and sealing mechanism, the two disassembling structures are pinched to the direction close to the shell of the observation part, so that the shell of the observation part and the hard shell are separated more easily, and the disassembly between the pressure detection structure and the shell of the observation part is convenient;
6. the inclined direction of the inclined plate is changed through the arranged steering mechanism, the adjustment can be carried out according to the use habit of a user, and the use is more convenient;
7. through the data observation mechanism who is equipped with, when needs carry out the dynamometry, with the direction of the direction that needs the dynamometry with the device adjustment, be connected the object that awaits measuring with the couple, the couple is pulled on the couple to the effort, measures the size of exerting force through the extension of spring, is similar with spring dynamometer principle.
Drawings
FIG. 1 is a schematic structural view of a non-stationary fluid pressure measurement device provided herein;
FIG. 2 is a schematic cross-sectional view of a pressure detection structure in a non-stationary fluid pressure measurement device provided herein;
FIG. 3 is a schematic cross-sectional view of a housing of an observation portion in a non-stationary fluid pressure measurement apparatus provided in the present application;
FIG. 4 is a schematic side sectional view of an enlarged functional housing of the non-stationary fluid pressure measurement device provided herein;
FIG. 5 is a schematic cross-sectional view of a seal mechanism of a non-stationary fluid pressure measurement device provided herein;
FIG. 6 is a schematic structural view of a disassembled structure in the non-stationary fluid pressure measurement device provided herein;
fig. 7 is a schematic structural diagram of a steering mechanism in the non-stationary fluid pressure measurement apparatus provided in the present application.
The following are marked in the figure:
1. a hard outer shell; 2. a pressure detection structure; 21. a film; 22. a light-reflecting layer; 23. a light emitting source; 24. a reflective mirror; 25. a receiver; 3. a drive mechanism; 31. a drive motor; 32. a connecting rod; 33. a threaded rod; 4. disassembling the sealing mechanism; 41. an interlayer; 42. a jack; 43. a seal ring; 44. disassembling the structure; 441. a fin; 442. anti-skid lines; 443. a fixed structure; 4431. an iron column; 4432. a fixing hole; 4433. a magnet piece; 444. a rotating groove; 445. a rotating shaft; 446. connecting blocks; 447. an inclined plate; 5. an observation section housing; 51. a circular housing; 52. a magnifying functional housing; 53. a chute; 54. a water injection cover; 6. a data observation mechanism; 61. a moving block; 62. a limiting rod; 63. a scale plate; 64. a spring; 65. a numerical pointer; 66. a piston plate; 67. hooking; 7. an assembling mechanism; 71. a first sealing rubber sheet; 72. a magnet ring; 73. a first-grade through pipe; 74. a second sealing rubber sheet; 75. an iron ring; 76. a second through pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to 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, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Example 1:
as shown in fig. 1, 2, 3, 4, 5, 6 and 7, the present embodiment provides a non-stationary fluid pressure measuring apparatus, which includes a hard housing 1, a pressure detecting structure 2 and a driving mechanism 3 are disposed inside the hard housing 1, the driving mechanism 3 is disposed at one side of the pressure detecting structure 2, the pressure detecting structure 2 represents the magnitude of the sensed fluid pressure by moving a light irradiation point, the driving mechanism 3 operates according to the movement of the light irradiation point, an observation portion housing 5 is disposed at one side of the hard housing 1, the medium inside the observation portion housing 5 can be replaced according to actual needs, a detaching sealing mechanism 4 is disposed between the hard housing 1 and the observation portion housing 5, the detaching sealing mechanism 4 facilitates the hard housing 1 and the observation portion housing 5 to be detached separately, and by replacing the observation portion housing 5 and its internal structure, the observation portion housing 5 and its internal structure with different application ranges can be replaced according to the magnitude of the fluid pressure, the hard shell 1 and the observation part shell 5 are internally provided with a splicing mechanism 7 at one opposite side, the splicing mechanism 7 can rapidly splice the hard shell 1 and the observation part shell 5, the driving mechanism 3 extends into the observation part shell 5, the observation part shell 5 is internally provided with a data observation mechanism 6, the data observation mechanism 6 converts the pressure detected by the pressure detection structure 2 and then obtains a specific numerical value, the data observation mechanism 6 can realize the magnitude of the measurement force, the outside of the hard shell 1 is in the fluid during the detection, the illumination point is moved after the pressure detection structure 2 detects the pressure, the driving mechanism 3 drives the data observation mechanism 6 according to the movement operation of the illumination point, then the internal pressure and the external pressure of the hard shell 1 and the observation part shell 5 are adjusted to be equal through the data observation mechanism 6, and then the pressure numerical value is obtained through the data observation mechanism 6, when the external pressure is not in the detection pressure range of the data observation mechanism 6, the hard shell 1 and the observation part shell 5 can be separated by detaching the sealing mechanism 4, the observation part shell 5 and the internal structure thereof are replaced according to the external pressure, then the hard shell 1 and the replaced observation part shell 5 are quickly assembled through the sealing mechanism 7, and the force can be measured through the data observation mechanism 6 when the force needs to be measured.
Example 2:
the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:
as a preferable embodiment, in addition to the above-mentioned embodiments, the pressure detecting structure 2 further includes a film 21 fixedly connected to the inside of the hard casing 1 and on the side away from the driving mechanism 3, when the external pressure is greater than the internal pressure of the hard casing 1, the film 21 deforms, the surface of the film 21 on the side close to the driving mechanism 3 is coated with a reflective layer 22, when the film 21 deforms, the path of the light reflected by the reflective layer 22 changes, the inner wall of one side of the hard casing 1 is embedded with a reflective mirror 24, the light reflected by the reflective layer 22 is reflected again, and the distance of the moving of the illumination point is enlarged, the inner wall of the other side of the hard casing 1 is embedded with a light source 23 and three receivers 25, the light source 23 emits a light source, the receivers 25 receive a light source, the three receivers 25 are located on the side close to 7, the light source 23 and the three receivers 25 are all inclined toward the direction of the film 21, make things convenient for receiver 25 to receive the light source, and increase the area of receiving the light source, during the use, light source 23 sends the light source and shines film 21, shine reflector 24 after film 21 reflects, shine the receiver 25 of intermediate position after the reflection of reflector 24, then by this receiver 25 receipt, when detecting external pressure, external pressure makes film 21 take place the deformation, the route of reflector 22 reverberation changes, one side inner wall of stereoplasm shell 1 inlays and is equipped with reflector 24, reflect the light that reflector 22 reflects once more, and enlarge the distance that the illumination point moved, improve and detect the precision, according to the illumination point move to be close to film 21 one side receiver 25 or move to be close to 7 one side receiver 25, detect the removal of illumination point, then control actuating mechanism 3 operation.
In a preferred embodiment, in addition to the above-mentioned embodiment, the driving mechanism 3 further includes a driving motor 31, a connecting rod 32 is fixedly disposed between the driving motor 31 and the hard case 1 to fix the driving motor 31, and a threaded rod 33 is fixedly disposed on a rotating shaft of the driving motor 31 to drive the data observing mechanism 6.
In addition to the above-mentioned embodiments, the observation portion housing 5 further includes a circular housing 51 and an amplification function housing 52 fixedly connected to one side of the circular housing 51 far from the hard housing 1, the inner walls of both sides of the circular housing 51 are provided with sliding grooves 53 to prevent the data observation mechanism 6 from rotating when sliding, the sides of the amplification function housing 52 are provided with water filling ports, and the water filling ports are provided with water filling caps 54 to replace the medium inside the device.
In a preferred embodiment, in addition to the above-mentioned embodiment, the splicing mechanism 7 further includes a first sealing rubber piece 71 fixedly connected to the inside of the hard casing 1 and a second sealing rubber piece 74 fixedly connected to the inside of the observation portion casing 5, the first sealing rubber piece 71 and the second sealing rubber piece 74 are bonded to increase the sealing performance between the hard casing 1 and the observation portion casing 5, a magnet ring 72 is embedded in one side of the first sealing rubber piece 71 close to the observation portion casing 5, a first through pipe 73 is inserted in the middle of the first sealing rubber piece 71, an iron ring 75 corresponding to the magnet ring 72 is embedded in one side of the second sealing rubber piece 74 close to the hard casing 1, a second through pipe 76 is inserted in the middle of the second sealing rubber piece 74, and when the hard casing 1 and the observation portion casing 5 are spliced, the detaching sealing mechanism 4 is placed between the first sealing rubber piece 71 and the second sealing rubber piece 74, the magnet ring 72 and the iron ring 75 correspond to each other, and the magnet ring 72 and the iron ring 75 are attracted together, so that the hard case 1 and the observation portion case 5 can be quickly mounted.
As a preferable embodiment, in addition to the above-mentioned embodiments, the data observation mechanism 6 further includes a moving block 61, two limit rods 62 are fixedly disposed on the circumference side of the moving block 61, a roller located inside the sliding groove 53 is disposed at an end of the limit rod 62 to reduce the friction force between the limit rod 62 and the observation portion housing 5, a scale plate 63 extending to the inside of the amplification function housing 52 is fixedly disposed on the moving block 61 to realize the sliding of the moving block 61 while avoiding the rotation of the moving block 61, pressure scales and force scales are respectively disposed on both sides of the front end of the scale plate 63 to obtain corresponding values when measuring the fluid pressure and the force, a spring 64 located at the front end of the sliding groove 53 is fixedly disposed on one side of the moving block 61, the magnitude of the measuring force or pressure is expressed by the length change of the spring 64 after being stressed, a pull rod is fixedly disposed on the side of the spring 64 away from the moving block 61, a value pointer 65 is fixedly disposed on one end of the pull rod close to the spring 64, the numerical pointer 65 is composed of two pointers, the included angle between the two pointers is 120 degrees, the bisector of the included angle between the numerical pointers 65 is perpendicular to the scale plate 63, the numerical value corresponding to the numerical pointer 65 enables a user to obtain measurement data, the other end of the pull rod is fixedly provided with a piston plate 66, the circumferential side of the piston plate 66 is attached to the inner wall of the amplification function housing 52 and used for extruding a medium inside the observation part housing 5, one side, away from the spring 64, of the piston plate 66 is hinged with a hook 67 and connected with a measured object during force measurement, the end of the threaded rod 33 penetrates through the first through pipe 73 and the second through pipe 76 to be connected with the moving block 61 through threads, the moving block 61 is moved by rotation of the threaded rod 33, during measurement, the moving block 61 rotates to drive the moving block 61 to move, the spring 64 is pulled by the moving block 61, the spring 64 drives the piston plate 66 to extrude the medium inside the hard housing 1 and the observation part housing 5, and enable the pressure inside the hard housing 1 to be equal to the external pressure, at the moment, the resultant force received by the film 21 is 0, the film 21 is not deformed, the illumination point reflected by the reflector 24 irradiates the receiver 25 at the middle position again, then the fluid pressure is obtained according to the expression of the change of the length of the spring 64 on the scale, during force measurement, the device is adjusted to the direction of the force to be measured, the object to be measured is connected with the hook 67, the force is applied to the hook 67 to pull the hook 67, the force is measured through the extension of the spring 64, and the principle is similar to that of a spring dynamometer.
As a preferable embodiment, on the basis of the above-mentioned mode, further, the cross section of the magnifying function housing 52 is triangular, three sides of the triangle are all arranged in an arc shape, three corners of the triangle are all arranged in a round angle, the inner cavity of the magnifying function housing 52 is also triangular, one side of the scale plate 63 with the scale marks is arranged in a round angle at the opposite corner of the inner cavity of the magnifying function housing 52, the radian of the external round angle of the magnifying function housing 52 is smaller than that of the round angle of the inner cavity of the magnifying function housing 52, each side of the magnifying function housing 52 has the function of a convex lens, the magnification of the opposite corner of the scale plate 63 is larger, when the scales and the numerical value pointer 65 on the scale plate 63 are observed from the side of the magnifying function housing 52 and from the opposite angle of the scale plate 63, the images of the numerical pointer 65 and the scale 63 will be seen enlarged so that the measurement data can be observed more easily.
As a preferred embodiment, on the basis of the above-mentioned mode, the detaching sealing mechanism 4 further includes a partition layer 41 located between the first sealing rubber sheet 71 and the second sealing rubber sheet 74, the partition layer 41 separates the magnet ring 72 and the iron ring 75 for a period of time to prevent the magnet ring 75 and the magnet ring 72 from being tightly attached to each other, the middle portion of the partition layer 41 is provided with an insertion hole 42, the end portions of the opposite sides of the first through pipe 73 and the second through pipe 76 are both located in the insertion hole 42, the outer diameters of the first through pipe 73 and the second through pipe 76 are equal to the inner diameter of the insertion hole 42 to prevent water leakage between the first through pipe 73 and the second through pipe 76, the circumferential side of the partition layer 41 is fixedly provided with a sealing ring 43 sleeved on the hard shell 1 and the circular shell 51 to increase the sealing performance between the hard shell 1 and the circular shell 51, the two sides of the sealing ring 43 are provided with detaching structures 44, and the detaching structures 44 facilitate separation between the hard shell 1 and the observation portion shell 5.
As a preferred embodiment, in addition to the above-mentioned mode, further, the detaching structure 44 includes a fin 441 hinged to the sealing ring 43, an end of the fin 441 extends into the sealing ring 43, a portion of the fin 441 located inside the sealing ring 43 is embedded in one side of the partition 41, a connecting block 446 is disposed at the other end of the fin 441, a steering mechanism is disposed between the fin 441 and the connecting block 446, an inclined plate 447 is fixedly disposed at one side of the connecting block 446 far from the circular housing 51, the inclined plate 447 is disposed in an inclined manner, and the anti-slip veins 442 are disposed on the inclined plate 447, so that when the two detaching structures 44 are pinched in a direction close to the observation portion housing 5, the inclined plate 447 drives the fin 441 to rotate, the fin 441 separates the first sealing rubber sheet 71 from the second sealing rubber sheet 74, thereby separating the observation portion housing 5 from the hard housing 1 more easily, and facilitating detachment between the pressure detecting structure 2 and the observation portion housing 5.
In a preferred embodiment, in addition to the above-mentioned embodiment, the steering mechanism further includes a rotating groove 444 formed in the fin 441, a rotating shaft 445 fixedly connected to the connecting block 446, and two fixing structures 443 respectively located on both sides of the rotating groove 444, the rotating shaft 445 is located inside the rotating groove 444, a stopper ring is fixedly disposed inside the rotating groove 444 and on a side close to the connecting block 446, a stopper is fixedly disposed at an end of the rotating shaft 445, the fixing structure 443 includes an iron post 4431 fixedly connected to the fin 441 and a fixing hole 4432 formed in the connecting block 446 and corresponding to the iron post 4431, a magnet piece 4433 is fixedly disposed inside the fixing hole 4432, and when the direction of the inclined plate 447 is adjusted, the inclined plate 447 is pulled up in a direction away from the fin 441, then, the inclined plate 447 is rotated by half a turn, and then the inclined plate 447 is attached to the fin 441 again, the iron post 4431 is inserted into the fixing hole 4432, and the magnet piece 4433 absorbs the iron post 4431 to prevent the iron post 4431 from being removed.
Example 3:
the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:
a method of using a non-stationary fluid pressure measurement device, comprising the steps of:
step one, assembling the device: according to the actual needs, the observation part shell 5 and the internal structure thereof with different application ranges and the medium in the observation part shell 5 are replaced according to the fluid pressure, the hard shell 1 and the observation part shell 5 can be separated by detaching the sealing mechanism 4, the observation part shell 5 and the internal structure thereof are replaced according to the external pressure, and then the hard shell 1 and the replaced observation part shell 5 are rapidly assembled through the assembling mechanism 7;
step two, detecting pressure: when in detection, the outside of the hard shell 1 is in a fluid, the pressure detection structure 2 moves an illumination point after detecting the pressure, so that the sensed fluid pressure is reflected by the movement of the illumination point, the driving mechanism 3 operates according to the movement direction and degree of the illumination point, and the driving mechanism 3 drives the data observation mechanism 6 according to the movement operation of the illumination point;
step three, data conversion: the data observation mechanism 6 converts the pressure detected by the pressure detection structure 2 to obtain a specific numerical value, and in the conversion process, the data observation mechanism 6 adjusts the internal pressure and the external pressure of the hard shell 1 and the observation part shell 5 to be equal, and then the pressure numerical value is obtained through the data observation mechanism 6;
step four, the force measuring function: when force measurement is needed, the data observation mechanism 6 can be used as a spring dynamometer to measure the force.
The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.
Claims (7)
1. A non-static fluid pressure measuring device comprises a hard shell (1), and is characterized in that a pressure detection structure (2) and a driving mechanism (3) are arranged in the hard shell (1), the driving mechanism (3) is positioned on one side of the pressure detection structure (2), an observation part shell (5) is arranged on one side of the hard shell (1), a disassembling and sealing mechanism (4) is arranged between the hard shell (1) and the observation part shell (5), a splicing mechanism (7) is arranged in one opposite side of the hard shell (1) and the observation part shell (5), the driving mechanism (3) extends into the observation part shell (5), and a data observation mechanism (6) is arranged in the observation part shell (5);
the pressure detection structure (2) comprises a film (21) which is fixedly connected inside the hard shell (1) and far away from one side of the driving mechanism (3), a reflective layer (22) is coated on the surface of one side, close to the driving mechanism (3), of the film (21), a reflective mirror (24) is embedded in the inner wall of one side of the hard shell (1), a light emitting source (23) and three receivers (25) are embedded in the inner wall of the other side of the hard shell (1), the three receivers (25) are located on one side close to the splicing mechanism (7), and the light emitting source (23) and the three receivers (25) are both arranged in an inclined mode towards the direction of the film (21);
the driving mechanism (3) comprises a driving motor (31), a connecting rod (32) is fixedly arranged between the driving motor (31) and the hard shell (1), and a rotating shaft of the driving motor (31) is fixedly provided with a threaded rod (33);
the assembling mechanism (7) comprises a first sealing rubber sheet (71) fixedly connected inside the hard shell (1) and a second sealing rubber sheet (74) fixedly connected inside the observation part shell (5), a magnet ring (72) is embedded in one side, close to the observation part shell (5), of the first sealing rubber sheet (71), a first through pipe (73) is inserted in the middle of the first sealing rubber sheet (71), an iron ring (75) corresponding to the magnet ring (72) is embedded in one side, close to the hard shell (1), of the second sealing rubber sheet (74), and a second through pipe (76) is inserted in the middle of the second sealing rubber sheet (74);
the dismounting sealing mechanism (4) comprises an interlayer (41) positioned between a first sealing rubber sheet (71) and a second sealing rubber sheet (74), the middle part of the interlayer (41) is provided with an insertion hole (42), the end parts of one sides, opposite to each other, of a first through pipe (73) and a second through pipe (76) are positioned in the insertion hole (42), the outer diameters of the first through pipe (73) and the second through pipe (76) are equal to the inner diameter of the insertion hole (42), sealing rings (43) sleeved on the hard shell (1) and the circular shell (51) are fixedly arranged on the circumferential side of the interlayer (41), and dismounting structures (44) are arranged on two sides of each sealing ring (43);
the observation part shell (5) comprises a circular shell (51) and an amplification function shell (52) fixedly connected to one side, far away from the hard shell (1), of the circular shell (51), and sliding grooves (53) are formed in the inner walls of the two sides of the circular shell (51);
the data observation mechanism (6) comprises a moving block (61), two limiting rods (62) are fixedly arranged on the circumferential side of the moving block (61), idler wheels located inside the sliding groove (53) are arranged at the end portions of the limiting rods (62), a scale plate (63) extending to the inside of the amplification function shell (52) is fixedly arranged on the moving block (61), pressure scales and force scales are respectively arranged on two sides of the front end of the scale plate (63), and a spring (64) located at the front end of the sliding groove (53) is fixedly arranged on one side of the moving block (61).
2. The non-stationary fluid pressure measuring device of claim 1, wherein the amplification function housing (52) has a water inlet opened at an edge thereof, and a water filling cap (54) is provided inside the water inlet.
3. A non-stationary fluid pressure measurement device as claimed in claim 2, a pull rod is fixedly arranged on one side of the spring (64) far away from the moving block (61), a numerical pointer (65) is fixedly arranged at one end of the pull rod close to the spring (64), the numerical pointer (65) consists of two pointers, the included angle between the two pointers is 120 degrees, the bisector of the included angle between the numerical value pointers (65) is vertical to the scale plate (63), the other end of the pull rod is fixedly provided with a piston plate (66), the circumference side of the piston plate (66) is jointed with the inner wall of the amplifying function shell (52), a hook (67) is hinged on one side of the piston plate (66) far away from the spring (64), the end part of the threaded rod (33) penetrates through the first through pipe (73) and the second through pipe (76) to be connected with the thread of the moving block (61).
4. A non-stationary fluid pressure measuring device according to claim 3, characterized in that the cross-section of the amplifying function casing (52) is triangular, three sides of the triangle are all arranged in an arc shape, three corners of the triangle are all arranged in a round angle, the inner cavity of the amplifying function casing (52) is also triangular, the side of the scale plate (63) with the scale mark is arranged in a round angle at the opposite corner of the inner cavity of the amplifying function casing (52), and the radian of the outer round angle of the amplifying function casing (52) is smaller than that of the inner cavity of the amplifying function casing (52).
5. The non-static fluid pressure measuring device according to claim 4, wherein the detaching structure (44) comprises a fin (441) hinged to the sealing ring (43), an end of the fin (441) extends to the inside of the sealing ring (43), a portion of the fin (441) located inside the sealing ring (43) is embedded in one side of the isolation layer (41), a connecting block (446) is arranged at the other end of the fin (441), a steering mechanism is arranged between the fin (441) and the connecting block (446), an inclined plate (447) is fixedly arranged on one side of the connecting block (446) far away from the circular housing (51), the inclined plate (447) is arranged in an inclined manner, and anti-skid grooves (442) are arranged on the inclined plate (447).
6. The non-stationary fluid pressure measuring device of claim 5, wherein the steering mechanism comprises a rotating groove (444) formed in the fin (441), a rotating shaft (445) fixedly connected with the connecting block (446), and two fixing structures (443) respectively located on two sides of the rotating groove (444), the rotating shaft (445) is located inside the rotating groove (444), a limit ring is fixedly arranged inside the rotating groove (444) and close to one side of the connecting block (446), a blocking plate is fixedly arranged at the end of the rotating shaft (445), the fixing structures (443) comprise an iron column (4431) fixedly connected with the fin (441) and a fixing hole (4432) formed in the connecting block (446) and corresponding to the iron column (4431), and a magnet sheet (4433) is fixedly arranged inside the fixing hole (4432).
7. A method of using a non-stationary fluid pressure measuring device using the non-stationary fluid pressure measuring device of claim 6, comprising the steps of:
step one, assembling the device: according to actual needs, replacing the observation part shell (5) and the internal structure thereof and the internal medium of the observation part shell (5) with different application ranges according to the magnitude of fluid pressure, separating the hard shell (1) from the observation part shell (5) by disassembling the sealing mechanism (4), replacing the observation part shell (5) and the internal structure thereof according to external pressure, and then rapidly assembling the hard shell (1) and the replaced observation part shell (5) through the assembling mechanism (7);
step two, detecting pressure: when in detection, the outside of the hard shell (1) is in a fluid, the pressure detection structure (2) moves the illumination point after detecting the pressure, so that the sensed fluid pressure is reflected by the movement of the illumination point, the driving mechanism (3) operates according to the movement direction and degree of the illumination point, and the driving mechanism (3) operates according to the movement of the illumination point to drive the data observation mechanism (6);
step three, data conversion: the data observation mechanism (6) converts the pressure detected by the pressure detection structure (2) and then obtains a specific numerical value, and in the conversion process, the data observation mechanism (6) adjusts the internal pressure and the external pressure of the hard shell (1) and the observation part shell (5) to be equal and then obtains a pressure numerical value through the data observation mechanism (6);
step four, the force measuring function: when force needs to be measured, the force can be measured as a spring dynamometer through the data observation mechanism (6).
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| US6604427B1 (en) * | 1999-07-19 | 2003-08-12 | Nate Coleman | Bellow-type pressure sensing apparatus |
| US8535233B2 (en) * | 2000-09-25 | 2013-09-17 | Welch Allyn, Inc. | Blood pressure measuring apparatus |
| US7707891B2 (en) * | 2008-06-27 | 2010-05-04 | Inficon Gmbh | Optical interferometric pressure sensor |
| DE102012105129A1 (en) * | 2012-06-13 | 2013-12-19 | Christian-Albrechts-Universität Zu Kiel | Device for optical representation of intraocular pressure and method |
| CN105004471A (en) * | 2015-07-10 | 2015-10-28 | 贵州大学 | Pressure sensing method and sensor probe utilizing method |
| CN106644245A (en) * | 2016-12-26 | 2017-05-10 | 国家电网公司 | Atmosphere pressure measurement system and air pressure measurement method |
| CN110926683A (en) * | 2019-11-29 | 2020-03-27 | 中国科学院微电子研究所 | Pressure sensor based on laser reflection principle and pressure sensing method thereof |
| CN211838813U (en) * | 2020-02-19 | 2020-11-03 | 俐玛精密测量技术(苏州)有限公司 | Frock clamp of gluey valve |
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| CN103890396A (en) * | 2011-10-28 | 2014-06-25 | 德卡产品有限公司 | Product dispensing system with PWM controlled solenoid pump |
| CN202928631U (en) * | 2012-11-16 | 2013-05-08 | 中国科学院半导体研究所 | Force measuring optical fiber flow meter |
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