Flexible coil and flexible sensor comprising same

Abstract

The utility model discloses a flexible coil and a flexible sensor comprising the same. The flexible coil comprises a first annular part, a bending part and a second annular part, one end of the bending part is connected to one end of the first annular part, the other end of the bending part is connected to one end of the second annular part, the other end of the first annular part is connected to one end of the first upright part, and the other end of the second annular part is connected to one end of the second upright part; the other end of the first upright part is connected to the first ring buckle, the other end of the second upright part is connected to the second ring buckle, and the first ring buckle, the first upright part, the first annular part, the bending part, the second annular part, the second upright part and the second ring buckle are sequentially connected and integrally formed. The flexible coil and the flexible sensor comprising the flexible coil disclosed by the utility model have the beneficial effects that the induction shaft can synchronously drive the inner central cylinder, the outer central cylinder and the flexible coil to rotate around the shaft, so that the two buckles respectively output induction signals to the measuring circuit.

Description

Technical Field

[0001] The utility model belongs to the field of flexible sensors, in particular to a flexible coil and a flexible sensor comprising the flexible coil. Background Art

[0002] The publication number is CN213025774U, the subject name is the utility model patent of flexible coil sensor, and its IPC classification number is H01F27 / 32, H01F27 / 40. Its technical solution discloses that "the flexible coil sensor includes a coil body, the coil body is connected to the lead conductor, the lead conductor is connected to the integrator through a wire, the integrator is connected to the ammeter, the coil body includes a central flexible insulator, the external winding coil of the flexible insulator, and the outside of the coil is provided with an insulating material layer. The number of the coil bodies is three, and the lead conductors of the three coils are respectively connected to the three-phase integrator through wires, the three-phase integrator is connected to the ammeter, and the ammeter and the three-phase integrator are respectively connected to the power supply. The coil is wound in a spiral manner on the outside of the flexible insulator. The flexible insulator is a hollow structure."

[0003] It can be seen that the above utility model patent has disclosed a technical solution of one of the sensors including the flexible coil, and the focus is on the measurement circuit structure. However, the technical solution disclosed in the above utility model patent does not further solve the problem of how the induction shaft synchronously drives the inner center tube, the outer center tube and the flexible coil to rotate around the axis, and further improvement is needed. Utility Model Content

[0004] The utility model aims at the prior art, overcomes the above defects and provides a flexible coil and a flexible sensor including the flexible coil.

[0005] The utility model adopts the following technical scheme, the flexible coil comprises a first annular portion, a bent portion and a second annular portion, one end of the bent portion is connected to one end of the first annular portion, the other end of the bent portion is connected to one end of the second annular portion, the other end of the first annular portion is connected to one end of the first upright portion, the other end of the second annular portion is connected to one end of the second upright portion, the other end of the first upright portion is connected to the first ring buckle, the other end of the second upright portion is connected to the second ring buckle, the first ring buckle, the first upright portion, the first annular portion, the bent portion, the second annular portion, the second upright portion and the second ring buckle are connected in sequence and integrally formed, and the first upright portion, the first annular portion, the bent portion, the second annular portion and the second upright portion are all made of flexible material.

[0006] The utility model adopts the following technical scheme, including a flexible sensor of a flexible coil, wherein the flexible coil is provided with a first annular portion, a bent portion and a second annular portion, one end of the bent portion is connected to one end of the first annular portion, the other end of the bent portion is connected to one end of the second annular portion, the other end of the first annular portion is connected to one end of the first upright portion, the other end of the second annular portion is connected to one end of the second upright portion, the other end of the first upright portion is connected to the first ring buckle, and the other end of the second upright portion is connected to the second ring buckle, the first ring buckle, the first upright portion, the first annular portion, the bent portion, the second annular portion, the second upright portion and the second ring buckle are connected in sequence and integrally formed, and the first upright portion, the first annular portion, the bent portion, the second annular portion and the second upright portion are all made of flexible material; the flexible sensor also includes an induction shaft, an inner center tube and an outer center tube, the induction shaft is internally connected to the inner center tube, the inner center tube is internally connected to the outer center tube, the outer center tube is internally connected to the flexible coil, and the induction shaft, the inner center tube, the outer center tube and the flexible coil are all coaxially arranged.

[0007] As a preferred technical solution of the above technical solution, the first annular portion and the second annular portion are coaxially arranged, and the inner diameter of the first annular portion is consistent with the inner diameter of the second annular portion.

[0008] As a preferred technical solution of the above technical solution, the bending portion is provided with a first bending section, a second bending section and a third bending section, one end of the second bending section is connected to one end of the first bending section, the other end of the second bending section is connected to one end of the third bending section, the other end of the first bending section is connected to the first annular portion, and the other end of the third bending section is connected to the second annular portion.

[0009] As a preferred technical solution of the above technical solutions, the inner center tube includes a tube wall and a plurality of support legs, one end of each support leg is fixedly connected to the tube wall, and the other end of each support leg is surrounded to form a through hole for accommodating the induction shaft.

[0010] As a preferred technical solution of the above technical solution, there are tooth-shaped gaps between adjacent supporting legs.

[0011] As a preferred technical solution of the above technical solutions, the outer center tube includes a tube ring and a plurality of fan-shaped support members, and the tube ring is internally connected to the fan-shaped support members.

[0012] As a preferred technical solution of the above technical solutions, each fan-shaped support member includes a plurality of fan-shaped hoops, the centripetal end of each fan-shaped hoop is embedded in the cylinder wall, and the centrifugal end of each fan-shaped hoop abuts against the flexible coil.

[0013] The flexible coil and the flexible sensor including the flexible coil disclosed by the utility model have the beneficial effect that the induction shaft can synchronously drive the inner center tube, the outer center tube and the flexible coil to rotate around the axis, thereby causing the two ring buckles to output induction signals to the measurement circuit respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the main view of this application.

[0015] Figure 2 It is a top view of the present application.

[0016] Figure 3 It is a stereogram from one viewing angle of this application.

[0017] Figure 4 It is a stereogram from another viewing angle of the present application.

[0018] Figure 5 It is a partial structural diagram of this application.

[0019] The reference numerals include: 100-flexible coil; 110-first annular portion; 120-bending portion; 121-first bending section; 122-second bending section; 123-third bending section; 130-second annular portion; 140-first upright portion; 150-first ring buckle; 160-second upright portion; 170-second ring buckle; 200-flexible sensor; 210-sensing axis; 220-inner center tube; 221-through hole; 222-support leg; 223-tube wall; 224-toothed gap; 230-outer center tube; 231-tube ring; 240-fan-shaped support member; 241-fan-shaped hoop. DETAILED DESCRIPTION

[0020] The utility model discloses a flexible coil and a flexible sensor including the flexible coil. The preferred embodiment (embodiment 2) is shown in the following figure. Figure 1-5 , the specific implementation methods of the utility model are further described.

[0021] Example 1.

[0022] See attached figure Figure 5 , Figure 5 A flexible coil 100 is shown.

[0023] Preferably, the flexible coil 100 includes a first annular portion 110, a bent portion 120, and a second annular portion 130, one end of the bent portion 120 is connected to one end of the first annular portion 110, the other end of the bent portion 120 is connected to one end of the second annular portion 130, the other end of the first annular portion 110 is connected to one end of the first upright portion 140, the other end of the second annular portion 130 is connected to one end of the second upright portion 160, and the other end of the first upright portion 140 is connected to one end of the second upright portion 160. Connected to the first ring buckle 150, the other end of the second upright portion 160 is connected to the second ring buckle 170, the first ring buckle 150, the first upright portion 140, the first annular portion 110, the bent portion 120, the second annular portion 130, the second upright portion 160 and the second ring buckle 170 are connected in sequence and formed as one piece, and the first upright portion 140, the first annular portion 110, the bent portion 120, the second annular portion 130 and the second upright portion 160 are all made of flexible material.

[0024] The first annular portion 110 and the second annular portion 130 are coaxially arranged, and the inner diameter of the second annular portion 110 is consistent with the inner diameter of the second annular portion 130 .

[0025] Among them, the bending portion 120 is provided with a first bending section 121, a second bending section 122 and a third bending section 123, one end of the second bending section 122 is connected to one end of the first bending section 121, the other end of the second bending section 122 is connected to one end of the third bending section 123, the other end of the first bending section 121 is connected to the first annular portion 110, and the other end of the third bending section 123 is connected to the second annular portion 130.

[0026] Example 2.

[0027] See attached figure Figure 1-5 Preferably, a flexible sensor 200 comprising a flexible coil 100, wherein:

[0028] The flexible coil 100 includes a first annular portion 110, a bent portion 120, and a second annular portion 130. One end of the bent portion 120 is connected to one end of the first annular portion 110, and the other end of the bent portion 120 is connected to one end of the second annular portion 130. The other end of the first annular portion 110 is connected to one end of the first upright portion 140, and the other end of the second annular portion 130 is connected to one end of the second upright portion 160. The other end of the first upright portion 140 is connected to The first ring buckle 150, the other end of the second upright portion 160 is connected to the second ring buckle 170, the first ring buckle 150, the first upright portion 140, the first annular portion 110, the bent portion 120, the second annular portion 130, the second upright portion 160 and the second ring buckle 170 are sequentially connected and integrally formed, and the first upright portion 140, the first annular portion 110, the bent portion 120, the second annular portion 130 and the second upright portion 160 are all made of flexible materials;

[0029] The flexible sensor 200 also includes a sensing shaft 210, an inner center tube 220 and an outer center tube 230. The sensing shaft 210 is connected to the inner center tube 220, the inner center tube 220 is connected to the outer center tube 230, and the outer center tube 230 is connected to the flexible coil 100. The sensing shaft 210, the inner center tube 220, the outer center tube 230 and the flexible coil 100 are all coaxially arranged. The two ring buckles (the second ring buckle 150 and the second ring buckle 170) can be further connected to the measurement circuit (prior art, refer to CN213025774U of the background technology), so that the sensing shaft 210 can synchronously drive the inner center tube 220, the outer center tube 230 and the flexible coil 100 to rotate around the axis, so that the two ring buckles respectively output sensing signals to the measurement circuit.

[0030] The first annular portion 110 and the second annular portion 130 are coaxially arranged, and the inner diameter of the second annular portion 110 is consistent with the inner diameter of the second annular portion 130 .

[0031] Among them, the bending portion 120 is provided with a first bending section 121, a second bending section 122 and a third bending section 123, one end of the second bending section 122 is connected to one end of the first bending section 121, the other end of the second bending section 122 is connected to one end of the third bending section 123, the other end of the first bending section 121 is connected to the first annular portion 110, and the other end of the third bending section 123 is connected to the second annular portion 130.

[0032] Among them, the inner center tube 220 includes a tube wall 223 and a plurality of support legs 222, one end (centrifugal end) of each support leg 222 is fixedly connected to the tube wall 223, and the other end (centripetal end) of each support leg 222 is surrounded to form a through hole 221 for accommodating the induction shaft 210, so as to evenly disperse the centrifugal force during the rotation around the axis.

[0033] There are tooth-shaped gaps 224 between adjacent supporting legs 222 .

[0034] The outer center tube 230 includes a tube ring 231 and a plurality of fan-shaped support members 240 . The tube ring 231 is inscribed in the fan-shaped support members 240 , so that the tube ring 231 can be sleeved on the inner center tube 220 .

[0035] Among them, each fan-shaped support member 240 includes a plurality of fan-shaped hoops 241, the centripetal end of each fan-shaped hoop 241 is embedded in the cylinder wall 223, and the eccentric end of each fan-shaped hoop 241 abuts against the flexible coil 100 (the first annular portion 110 or the second annular portion 130), so that the flexible coil 100 can be tightly surrounded by the outer periphery of the outer center cylinder 230.

[0036] There are gaps between adjacent fan-shaped support members 240 to facilitate heat dissipation.

[0037] There is a gap between adjacent sector-shaped hoops 241 located on the same sector-shaped support member 240 to facilitate heat dissipation.

[0038] It is worth mentioning that the technical features such as the components of the flexible materials involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0039] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A flexible coil, characterized in that: The invention comprises a first annular portion, a bent portion and a second annular portion, wherein one end of the bent portion is connected to one end of the first annular portion, the other end of the bent portion is connected to one end of the second annular portion, the other end of the first annular portion is connected to one end of the first upright portion, the other end of the second annular portion is connected to one end of the second upright portion, the other end of the first upright portion is connected to the first ring buckle, and the other end of the second upright portion is connected to the second ring buckle. The first ring buckle, the first upright portion, the first annular portion, the bent portion, the second annular portion, the second upright portion and the second ring buckle are connected in sequence and formed as one piece, and the first upright portion, the first annular portion, the bent portion, the second annular portion and the second upright portion are all made of flexible material.

2. The flexible coil according to claim 1, characterized in that: The first annular portion and the second annular portion are coaxially arranged, and the inner diameter of the first annular portion is consistent with the inner diameter of the second annular portion.

3. The flexible coil according to claim 1, characterized in that: The bending portion is provided with a first bending section, a second bending section and a third bending section, one end of the second bending section is connected to one end of the first bending section, the other end of the second bending section is connected to one end of the third bending section, the other end of the first bending section is connected to the first annular portion, and the other end of the third bending section is connected to the second annular portion.

4. A flexible sensor comprising a flexible coil, characterized in that: The flexible coil is provided with a first annular portion, a bent portion, and a second annular portion, one end of the bent portion is connected to one end of the first annular portion, the other end of the bent portion is connected to one end of the second annular portion, the other end of the first annular portion is connected to one end of the first upright portion, the other end of the second annular portion is connected to one end of the second upright portion, the other end of the first upright portion is connected to the first ring buckle, and the other end of the second upright portion is connected to the second ring buckle, the first ring buckle, the first upright portion, the first annular portion, the bent portion, the second annular portion, the second upright portion, and the second ring buckle are sequentially connected and integrally formed, and the first upright portion, the first annular portion, the bent portion, the second annular portion, the second upright portion, and the second ring buckle are all made of flexible materials; The flexible sensor also includes a sensing shaft, an inner center tube and an outer center tube. The sensing shaft is connected to the inner center tube, the inner center tube is connected to the outer center tube, the outer center tube is connected to the flexible coil, and the sensing shaft, the inner center tube, the outer center tube and the flexible coil are all coaxially arranged.

5. The flexible sensor according to claim 4, characterized in that: The first annular portion and the second annular portion are coaxially arranged, and the inner diameter of the first annular portion is consistent with the inner diameter of the second annular portion.

6. The flexible sensor according to claim 4, characterized in that: The bending portion is provided with a first bending section, a second bending section and a third bending section, one end of the second bending section is connected to one end of the first bending section, the other end of the second bending section is connected to one end of the third bending section, the other end of the first bending section is connected to the first annular portion, and the other end of the third bending section is connected to the second annular portion.

7. The flexible sensor according to claim 4, characterized in that: The inner center tube comprises a tube wall and a plurality of supporting legs, one end of each supporting leg is fixedly connected to the tube wall, and the other end of each supporting leg is surrounded to form a through hole for accommodating the induction shaft.

8. The flexible sensor according to claim 7, characterized in that: There are tooth-shaped gaps between adjacent supporting legs.

9. The flexible sensor according to claim 4, characterized in that: The outer center tube comprises a tube ring and a plurality of fan-shaped support members, and the tube ring is internally connected to the fan-shaped support members.

10. The flexible sensor according to claim 9, characterized in that: Each sector-shaped support member comprises a plurality of sector-shaped hoops, the centripetal end of each sector-shaped hoop is embedded in the cylinder wall, and the centrifugal end of each sector-shaped hoop is in contact with the flexible coil.

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