CN220084078U - Multi-physical-quantity detection device - Google Patents

Abstract

The utility model discloses a multi-physical-quantity detection device in the technical field of measuring mechanisms, and aims to solve the problems that a physical detection device in the prior art is complex in structure, large in size, low in integration level and the like, and the device is inconvenient to maintain. The device comprises a box body, wherein a supporting frame is arranged on the box body, a detection mechanism is arranged on the supporting frame and is electrically connected with a signal processing circuit, a rotating mechanism is arranged in the box body and comprises a sleeve, and a plurality of rotating pieces are uniformly arranged on the outer wall of the sleeve; the detection mechanism comprises an electrode clamp arranged on the support frame, and a flexible sensitive element is detachably connected to the electrode clamp; the utility model is suitable for physical detection, can realize detection of multiple physical quantities such as displacement sensing, transient force sensing, speed sensing, direction sensing and the like, has simple and compact integral structure, small data processing capacity and small volume, is simple and visual in sensing signal, is convenient for replacement and maintenance work, and ensures the working effect of the device.

Description

Multi-physical-quantity detection device

Technical Field

The utility model relates to a multi-physical-quantity detection device, and belongs to the technical field of measuring mechanisms.

Background

The measuring device plays an important role in the field of industrial detection, acquires detected physical information by using the sensitive element and the conversion element, and realizes signal output according to a certain rule. The existing measuring device is complex in processing technology, single in function and difficult to overhaul after being damaged. In addition, with the development of industrial and robot technologies, more and more complex motion tracks are realized, and multiple physical quantity detection and feedback of the motion tracks are difficult to carry out through a single measuring device. The existing multifunctional detection device adopts a multi-sensitive element integration mode to realize detection of various physical information, improves structural complexity and signal processing difficulty, and is large in size, high in cost and low in integration level.

The existing physical detection device for detecting multiple physical quantities generally has the problems of complex structure, large volume, low integration level and the like, and the device is inconvenient to maintain and affects the working effect of the device.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a multi-physical-quantity detection device which solves the problems of complex structure, large volume, low integration level and the like of a physical detection device and is inconvenient to maintain.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a multi-physical quantity detection device, which comprises a box body, wherein a support frame is arranged on the box body, a detection mechanism is arranged on the support frame, the detection mechanism is electrically connected with a signal processing circuit, a rotating mechanism which is rotationally connected is arranged in the box body, the rotating mechanism comprises a sleeve, and a plurality of rotating sheets are uniformly arranged on the outer wall of the sleeve;

the detection mechanism comprises an electrode clamp arranged on the supporting frame, a flexible sensitive element is detachably connected to the electrode clamp, and one end, away from the electrode clamp, of the flexible sensitive element is located on one side of the rotating piece.

Further, the rotating mechanism comprises a rotating shaft, the sleeve is sleeved on the outer wall of the rotating shaft and is in sliding connection with the rotating shaft, a first groove is formed in the outer wall of the rotating shaft, a second groove is formed in one side of the first groove, the same flat key is placed in the first groove and the second groove, connecting mechanisms are symmetrically arranged on two sides of the inner wall of the box body, and two ends of the rotating shaft are respectively connected with the box body in a rotating mode through the two connecting mechanisms.

Further, the sleeve and the rotating piece are integrally formed.

Further, the rotating shaft is parallel to the bottom of the box body.

Further, coupling mechanism includes bearing hole and bearing, the diameter of bearing hole with the external diameter of bearing is the same, the bearing with one end fixed connection of pivot, the internal diameter of bearing with the diameter of pivot is the same, the bearing hole set up in box inner wall one side, bearing one end is equipped with the bearing flange, the box in a plurality of screw holes have evenly been seted up in the bearing hole outside, the bearing flange in the flange hole has been seted up in screw hole one side, the screw hole with the flange hole passes through the bolt and can dismantle the connection.

Further, the inside protection machanism that is equipped with in one of them coupling mechanism one side of box, protection machanism include the fixed slot and with fixed slot assorted protective housing, the fixed slot set up in the box inner wall, the through-hole has been seted up on the protective housing, the diameter of through-hole is not less than at least the diameter of pivot, the fixed slot with the protective housing can dismantle and be connected.

Further, the outer wall of the rotating shaft is sleeved with a power mechanism for driving the rotating shaft to rotate, the power mechanism is located on the inner side of the protective shell and comprises an elastic piece and a soft belt, a mounting groove is formed in the rotating shaft, one end of the elastic piece is fixedly connected with the mounting groove, and the other end of the elastic piece is fixedly connected with the soft belt.

Further, two fixing pieces are detachably connected to the rotating shaft, are respectively located on two sides of the sleeve, and are matched with each other to play a limiting role on the sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the multi-physical-quantity detection device, displacement sensing, transient force sensing, speed sensing, direction sensing and other multi-physical-quantity detection can be realized through the cooperation of the rotating sheet, the electrode clamp and the flexible sensitive element, meanwhile, the whole structure of the device is simple and compact, the data processing quantity is small, the volume is small, the sensing signal is simple and visual, the working effect of the device is ensured, and the flexible sensitive element is convenient to detach from the electrode clamp for replacement, so that the device is convenient for replacement and maintenance work, and the practicability of the device is ensured;

2. the utility model can be integrated on the surfaces of various mechanical devices including rigidity and flexibility by stretching the soft belt to activate the working state, can adapt to complex motion tracks including constant curvature and nonlinear curvature, and accurately measure the motion state of a rigid or soft actuator.

Drawings

Fig. 1 is a schematic perspective view of a multi-physical quantity detecting device according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a case according to an embodiment of the present utility model;

fig. 3 is a schematic perspective view of a bearing according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a rotating mechanism according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of an elastic member according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a fixing member according to an embodiment of the present utility model;

fig. 7 is a schematic perspective view of a protective case according to an embodiment of the present utility model;

FIG. 8 is a schematic side cross-sectional view of a turning mechanism according to an embodiment of the present utility model;

fig. 9 is a schematic side view in cross section of a turning mechanism according to an embodiment of the present utility model when turned in different states.

In the figure: 1. a case; 2. a bearing flange; 3. a flexible sensing element; 4. a bearing hole; 5. a threaded hole; 6. a support frame; 7. an electrode clip; 8. a fixing groove; 9. a bearing; 10. a flange hole; 11. a rotating shaft; 12. a flat key; 13. a sleeve; 14. a rotating piece; 15. a mounting groove; 16. an elastic member; 17. a soft belt; 18. a fixing member; 19. and a protective shell.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-9, the utility model provides a multi-physical-quantity detection device, which comprises a box body 1, wherein a support frame 6 is arranged on the box body 1, a detection mechanism is arranged on the support frame 6, the detection mechanism is electrically connected with a signal processing circuit, a rotating mechanism which is rotationally connected is arranged in the box body 1, the rotating mechanism comprises a sleeve 13, and a plurality of rotating sheets 14 are uniformly arranged on the outer wall of the sleeve 13; the detection mechanism comprises an electrode clamp 7 arranged on the support frame 6, a flexible sensitive element 3 is detachably connected to the electrode clamp 7, and one end, away from the electrode clamp 7, of the flexible sensitive element 3 is located on one side of the rotating piece 14.

Specifically, the box body 1 plays a supporting role on the supporting frame 6, the supporting frame 6 plays a supporting role on the electrode clamp 7, when the box body works, the electrode clamp 7 is connected with the signal processing circuit, then the rotating mechanism is driven to rotate, the rotating mechanism drives the rotating plates 14 to move, a plurality of the rotating plates 14 rotate along with the sleeve 13, when the rotating plates 14 rotate, one of the rotating plates 14 contacts with the flexible sensitive element 3, so that the flexible sensitive element 3 is mechanically deformed, a voltage response signal is generated, the response signal is transmitted to the signal processing circuit through the electrode clamp 7 and converted into a corresponding digital signal, and accordingly multiple physical quantity detection such as displacement sensing, transient force sensing, speed sensing, direction sensing and the like can be realized; the flexible sensing element 3 is in a cantilever structure, one end of the flexible sensing element 3 is fixed in the electrode clamp 7, the other end of the flexible sensing element is a free end, and swing motion is generated under the contact of the rotating sheet 14, and the flexible sensing element 3 can be made of ion polymer metal composite materials, ion gel, piezoelectric materials and the like, and is characterized in that electric signals with different amplitude can be generated under the physical stimulus of different force along with the different swing force, swing speed and swing direction of the rotating sheet 14, electric signals with different frequencies are generated under the physical stimulus of different speed, positive and negative electric signals are generated under the physical stimulus of positive and negative directions, and the electric signals are converted into digital signals through an external signal processing circuit; the shape, the size and the encapsulation of the flexible sensitive element 3 are determined according to the specific situation, and the movement track of the flexible sensitive element is required to have an overlapping area with the movement track of the rotating sheet 14; the method comprises the steps of judging physical quantities such as displacement, turns and the like according to the number of signal waveforms, judging speed according to signal frequency, judging speed transient force according to signal amplitude, judging direction and the like according to positive and negative values of signals, and thus finishing detection of multiple physical quantities; optionally, the number of the rotating plates 14 is two, the highest point of the rotating plates 14 is located above the bottom end and below the middle end of the flexible sensitive element 3, the shape and the size of the rotating plates 14 can be adjusted according to the size of the flexible sensitive element 3, a cross overlapping area exists between the two motion tracks, the rotating plates 14 are of a T shape, and the width of the rotating plates 14 is larger than that of the flexible sensitive element 3.

According to the utility model, through the cooperation of the rotating piece 14, the electrode clamp 7 and the flexible sensitive element 3, multiple physical quantity detection such as displacement sensing, transient force sensing, speed sensing, direction sensing and the like can be realized, meanwhile, the whole structure of the device is simple and compact, the data processing capacity is small, the volume is small, the sensing signal is simple and visual, the working effect of the device is ensured, and the flexible sensitive element 3 is convenient to detach from the electrode clamp 7 for replacement, so that the device is convenient for replacement and maintenance work, and the practicability of the device is ensured.

An embodiment, slewing mechanism includes pivot 11, sleeve 13 cover is located the pivot 11 outer wall and with pivot 11 sliding connection, first recess has been seted up to pivot 11 outer wall, sleeve 13 in second recess has been seted up to first recess one side, first recess with same flat key 12 has been placed in the second recess, 1 inner wall bilateral symmetry of box is equipped with coupling mechanism, the both ends of pivot 11 are respectively through two coupling mechanism with 1 rotation of box is connected, optionally, sleeve 13 with rotor 14 integrated into one piece.

Specifically, the flat key 12 is placed in the first groove and the second groove, so that the relative position of the sleeve 13 and the rotating shaft 11 plays a limiting role, the sleeve 13 and the rotating shaft 11 are connected by adopting the flat key 12, when the rotating shaft 11 rotates, the flat key 12 and the sleeve 13 rotate along with the rotating shaft 11, so that the rotating plate 14 is driven to rotate, the detection of multiple physical quantities is conveniently completed, and optionally, the sleeve 13 and the rotating plate 14 are integrally formed to realize rotation, so that the sleeve 13 drives the rotating plate 14 to rotate stably, and the stability of the device in operation is ensured; the rotating shaft 11 is parallel to the bottom of the box 1, so that stability of the rotating plate 14 when contacting with the flexible sensitive element 3 is ensured.

An embodiment, coupling mechanism includes bearing hole 4 and bearing 9, the diameter of bearing hole 4 with the external diameter of bearing 9 is the same, bearing 9 with the one end fixed connection of pivot 11, the internal diameter of bearing 9 with the diameter of pivot 11 is the same, bearing hole 4 set up in box 1 inner wall one side, bearing 9 one end is equipped with bearing flange 2, box 1 in a plurality of screw holes 5 have evenly been seted up in the bearing hole 4 outside, bearing flange 2 in flange hole 10 has been seted up in screw hole 5 one side, screw hole 5 with flange hole 10 passes through the bolt and can dismantle the connection.

Specifically, the centers of the two bearing holes 4 are positioned on the same horizontal plane, so that the rotating shaft 11 is ensured to be parallel to the bottom of the box body 1, the diameter of the bearing holes 4 is the same as the outer diameter of the bearing 9, the bearing 9 is installed, the inner diameter of the bearing 9 is the same as the diameter of the rotating shaft 11, the rotating shaft 11 is installed on the inner side of the bearing 9, the rotating shaft 11 can be rotationally connected with the box body 1 through the bearing 9, the bearing 9 is fixedly connected with the box body 1 through the bearing flange 2, the bearing flange 2 is matched with the box body 1 through the flange hole 10, the threaded hole 5 and the bolt, the connecting mechanism is installed on the box body 1, the two connecting mechanisms are matched, the two connecting mechanisms are used for providing fixed constraint for the rotating mechanism, controlling the axial and radial movement of the rotating mechanism and ensuring the stability of the rotating mechanism during the movement; alternatively, the number of the screw holes 5 is two to four, distributed in the form of equally divided circumferences.

An embodiment, box 1 is inside in one of them coupling mechanism one side is equipped with protection machanism, protection machanism include fixed slot 8 and with fixed slot 8 assorted protective housing 19, fixed slot 8 set up in box 1 inner wall, the through-hole has been seted up on the protective housing 19, the diameter of through-hole is not less than at least the diameter of pivot 11, fixed slot 8 with protective housing 19 can dismantle the connection, pivot 11 outer wall cover is equipped with and is used for driving pivot 11 pivoted power unit, power unit is located protective housing 19 inboard, power unit includes elastic component 16 and soft area 17, set up mounting groove 15 on the pivot 11, elastic component 16 one end with mounting groove 15 fixed connection, the elastic component 16 other end with soft area 17 fixed connection.

Specifically, when the rotating shaft 11 needs to be driven to rotate, the power mechanism starts to work, at the moment, the position of the rotating shaft 11 is fixed to avoid rotation, then the soft belt 17 is stretched under the drive of external force, so that one end of the elastic piece 16 is driven to move, the other end of the elastic piece 16 is fixed on the mounting groove 15, elastic deformation of the elastic piece 16 occurs, after the soft belt 17 is stretched to a certain length according to actual working requirements, the rotating shaft 11 is loosened, at the moment, the elastic piece 16 is restored to the original state, so that the rotating shaft 11 is driven to rotate, and the detection of multiple physical quantities is facilitated; alternatively, the elastic member 16 may be a spring member or a rubber band or the like capable of generating a restoring force; the fixing groove 8 is used for fixing the protective shell 19, the inner wall of the protective shell 19 is tightly attached to the elastic piece 16 and the soft belt 17, the soft belt 17 is prevented from scattering in the stretching process, the stability of the device in operation is ensured, and the through hole is used for preventing the normal rotation of the rotating shaft 11 from being influenced; the utility model can be integrated on the surfaces of various mechanical devices including rigidity and flexibility by stretching the soft belt 17 to activate the working state, can adapt to complex motion tracks including constant curvature and nonlinear curvature, and accurately measure the motion state of a rigid or soft actuator.

In one embodiment, the rotating shaft 11 is detachably connected with two fixing pieces 18, the two fixing pieces 18 are respectively located at two sides of the sleeve 13, and the two fixing pieces 18 cooperate to limit the sleeve 13.

When in use, the fixing piece 18 is fixed on the rotating shaft 11 and synchronously rotates along with the rotating shaft; the two fixing pieces 18 are respectively overlapped with the two end surfaces of the sleeve 13, so that the sleeve 13 cannot axially slide when rotating along with the rotating shaft 11; alternatively, the fixing member 18 may be other mechanisms capable of limiting the axial displacement of the rotating shaft 11 and the sleeve 13, such as a clip spring, etc.; alternatively, the bearing 9 is made of bearing steel, the rotating shaft 11 is made of 45 carbon steel, and the fixing member 18 is made of stainless steel.

In one embodiment, as shown in fig. 8, the flexible sensing element 3 is made of an ionic polymer metal composite material, and is mounted on the electrode clamp 7, the soft belt 17 stretches under the action of external force to drive the rotating shaft 11 to rotate, at the moment, the rotating plate 14 and the sleeve 13 simultaneously rotate along with the rotating shaft 11, mechanical deformation occurs when the flexible sensing element 3 contacts with the rotating plate 14 to generate a voltage response signal, an electric signal is transmitted to the signal processing circuit through the electrode clamp 7 to be converted into a corresponding digital signal, the displacement of each two periodic waveforms can be obtained as the perimeter of the section of the rotating shaft 11 by analyzing the number of waveforms of the analog signal, the transient force of the actuator can be obtained by analyzing the amplitude of the analog signal, the speed information can be obtained by analyzing the frequency of the analog signal, and the direction information can be obtained by analyzing the positive and negative positions of the waveform relative to the reference line.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims (8)

1. The multi-physical-quantity detection device is characterized by comprising a box body (1), wherein a support frame (6) is arranged on the box body (1), a detection mechanism is arranged on the support frame (6), the detection mechanism is electrically connected with a signal processing circuit, a rotating mechanism which is rotationally connected is arranged in the box body (1), the rotating mechanism comprises a sleeve (13), and a plurality of rotating sheets (14) are uniformly arranged on the outer wall of the sleeve (13);

the detection mechanism comprises an electrode clamp (7) arranged on the supporting frame (6), a flexible sensitive element (3) is detachably connected to the electrode clamp (7), and one end, away from the electrode clamp (7), of the flexible sensitive element (3) is located on one side of the rotating piece (14).

2. The multi-physical-quantity detection device according to claim 1, wherein the rotating mechanism comprises a rotating shaft (11), the sleeve (13) is sleeved on the outer wall of the rotating shaft (11) and is in sliding connection with the rotating shaft (11), a first groove is formed in the outer wall of the rotating shaft (11), a second groove is formed in one side of the first groove in the sleeve (13), the same flat key (12) is placed in the first groove and the second groove, connecting mechanisms are symmetrically arranged on two sides of the inner wall of the box body (1), and two ends of the rotating shaft (11) are respectively connected with the box body (1) in a rotating mode through the two connecting mechanisms.

3. A multi-physical quantity detecting apparatus according to claim 2, wherein the sleeve (13) is integrally formed with the rotary piece (14).

4. A multi-physical quantity detecting apparatus according to claim 2, wherein the rotation shaft (11) and the bottom of the casing (1) are parallel to each other.

5. The multi-physical-quantity detection device according to claim 2, wherein the connecting mechanism comprises a bearing hole (4) and a bearing (9), the diameter of the bearing hole (4) is the same as the outer diameter of the bearing (9), the bearing (9) is fixedly connected with one end of the rotating shaft (11), the inner diameter of the bearing (9) is the same as the diameter of the rotating shaft (11), the bearing hole (4) is formed in one side of the inner wall of the box body (1), a bearing flange (2) is arranged at one end of the bearing (9), a plurality of threaded holes (5) are uniformly formed in the outer side of the bearing hole (4) of the box body (1), a flange hole (10) is formed in one side of the bearing flange (2), and the threaded holes (5) are detachably connected with the flange hole (10) through bolts.

6. The multi-physical-quantity detection device according to claim 2, wherein a protection mechanism is arranged inside the box body (1) on one side of one of the connecting mechanisms, the protection mechanism comprises a fixing groove (8) and a protection shell (19) matched with the fixing groove (8), the fixing groove (8) is arranged on the inner wall of the box body (1), a through hole is formed in the protection shell (19), the diameter of the through hole is at least not smaller than that of the rotating shaft (11), and the fixing groove (8) is detachably connected with the protection shell (19).

7. The multi-physical-quantity detection device according to claim 6, wherein a power mechanism for driving the rotating shaft (11) to rotate is sleeved on the outer wall of the rotating shaft (11), the power mechanism is located on the inner side of the protective shell (19), the power mechanism comprises an elastic piece (16) and a soft belt (17), a mounting groove (15) is formed in the rotating shaft (11), one end of the elastic piece (16) is fixedly connected with the mounting groove (15), and the other end of the elastic piece (16) is fixedly connected with the soft belt (17).

8. The multi-physical-quantity detecting device according to claim 2, wherein the rotating shaft (11) is detachably connected with two fixing pieces (18), the two fixing pieces (18) are respectively located at two sides of the sleeve (13), and the two fixing pieces (18) are matched to limit the sleeve (13).