CN210805610U

CN210805610U - Liquid tilt switch

Info

Publication number: CN210805610U
Application number: CN201921999318.XU
Authority: CN
Inventors: 郑建乐; 李旭; 张骞月; 张潇雨; 孙可欣; 李智; 张美丽; 李瑾璞
Original assignee: Hebei Agricultural University
Current assignee: Hebei Agricultural University
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-06-19
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a liquid switch that inclines, including the column shell, first end cap and second end cap, the three forms the holding chamber, the holding intracavity is provided with electrolyte solution, first conducting ring and second conducting ring separate the setting each other along the axial of column shell, the lateral wall of first conducting ring and the lateral wall of second conducting ring all set up with the inside wall laminating of column shell, be located under the state that top second end cap is located the bottom at the vertical setting of column shell and first end cap, electrolyte solution's liquid level is located between the lower terminal surface of first conducting ring and the up end of second conducting ring, liquid switch that inclines still includes first extraction electrode and second extraction electrode. The liquid tilt switch has good use safety, and in addition, as the two conducting rings are conducted by using liquid, on one hand, the possibility of occurrence of a flash-off phenomenon can be effectively reduced, and on the other hand, the transportation safety and reliability of the liquid tilt switch are improved.

Description

Liquid tilt switch

Technical Field

The utility model relates to a gravity switch field, more specifically relate to a liquid switch that inclines.

Background

Gravity switches are widely used in various places of life, such as fan reversal protection switches, switches for table lamps, vibration sensing switches for washing machines, and the like. The gravity switch is a switch for controlling the on-off of a circuit, and the gravity switch mainly comprises a mercury switch and a ball switch in the market, so that the gravity switch is low in price and good in quality. However, although the mercury switch is applied everywhere, its safety pollution problem is inevitable because of the material problem itself, and the ball switch has the phenomenon of flash, can't guarantee circuit switch-on efficiency and stable operation duration.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a liquid tilt switch.

In order to achieve the above purpose, a liquid tilt switch is provided, which includes a cylindrical housing with two open ends, a first plug for plugging one end of the cylindrical housing, and a second plug for plugging the other end of the cylindrical housing, wherein the cylindrical housing, the first plug, and the second plug form an accommodating chamber, an electrolyte solution, a first conductive ring, and a second conductive ring are disposed in the accommodating chamber, the first conductive ring and the second conductive ring are axially spaced from each other along the cylindrical housing, the first conductive ring is closer to the first plug than the second conductive ring, the outer side wall of the first conductive ring and the outer side wall of the second conductive ring are both attached to the inner side wall of the cylindrical housing, the liquid level of the electrolyte solution is set such that the cylindrical housing is vertically disposed and the first plug is located at the top end of the second plug, the liquid level of the electrolyte solution is located between the lower end face of the first conducting ring and the upper end face of the second conducting ring, the liquid tilt switch further comprises a first leading-out electrode and a second leading-out electrode, one end of the first leading-out electrode is electrically connected with the first conducting ring, the other end of the first leading-out electrode is exposed outside the liquid tilt switch, one end of the second leading-out electrode is electrically connected with the second conducting ring, and the other end of the second leading-out electrode is exposed outside the liquid tilt switch.

Preferably, a first through hole for the first leading-out electrode to pass through is formed in the first plug; and/or the presence of a gas in the gas,

and a second through hole for the second leading-out electrode to pass through is formed in the second plug.

Preferably, the first conductive ring is formed by adhering a copper foil tape to the inner wall of the cylindrical shell, and one end of the first extraction electrode is screwed with the copper foil tape forming the first conductive ring; and/or the presence of a gas in the gas,

the second conducting ring is formed by bonding a copper foil tape to the inner wall of the cylindrical shell, and one end of the second leading-out electrode is screwed with the copper foil tape forming the second conducting ring.

Preferably, an end of the copper foil tape forming the first conductive ring is screwed with the first lead-out electrode, or a part of the copper foil tape in the width direction is bonded to the inner wall of the cylindrical shell to form the first conductive ring, and the other part of the copper foil tape is screwed with the first lead-out electrode and penetrates into the first via hole together with the first lead-out electrode;

the end of the copper foil tape forming the second conductive ring is screwed with the second lead-out electrode, or one part of the copper foil tape in the width direction is adhered to the inner wall of the cylindrical shell to form the second conductive ring, and the other part of the copper foil tape is screwed with the second lead-out electrode and penetrates into the second via hole together with the second lead-out electrode.

Preferably, an end face of the first conductive ring, which is close to one end of the first plug, is attached to the first plug; and/or the presence of a gas in the gas,

and the end face of one end of the second conducting ring, which is close to the second plug, is attached to the second plug.

Preferably, the first plug comprises a first insertion portion and a first limit portion connected with the first insertion portion, the first insertion portion is inserted into the cylindrical shell, and the first limit portion abuts against an end face of the cylindrical shell;

the second plug comprises a second inserting portion and a second limiting portion connected with the second inserting portion, the second inserting portion is inserted into the columnar shell, and the second limiting portion is abutted to the end face of the columnar shell.

Preferably, the first plug and the second plug are symmetrically arranged relative to a central plane of the cylindrical shell, the first conducting ring and the second conducting ring are symmetrically arranged relative to the central plane of the cylindrical shell, and the central plane of the cylindrical shell is a plane passing through an axial center of the cylindrical shell and perpendicular to an axis of the cylindrical shell.

Preferably, the first plug and/or the second plug are/is an elastic material and are in interference fit with the cylindrical shell.

Preferably, the cylindrical shell is an acrylic tube.

Preferably, the first plug is detachably connected with the columnar shell;

the second plug is connected with the columnar shell in a sealing mode through a sealing glue.

The utility model provides a liquid tilt switch sets up electrolyte solution, first conducting ring and second conducting ring in the holding intracavity that column shell, first end cap and second end cap formed to under vertical state, the liquid level of electrolyte solution is located the lower terminal surface of first conducting ring with between the up end of second conducting ring, so, under vertical state, first conducting ring and second conducting ring do not switch on, be equivalent to liquid tilt switch disconnection, when liquid tilt switch inclines to certain angle, electrolyte solution can switch on first conducting ring and second conducting ring, be equivalent to liquid tilt switch-on. The liquid tilt switch with the structure has good use safety, in addition, the conduction of the two conducting rings is realized by utilizing liquid, on one hand, the possibility of the occurrence of the flash phenomenon can be effectively reduced, the use reliability of the switch is improved, on the other hand, even if vibration occurs in the transportation process, only a small amount of electrolyte solution can be caused to splash, and the first conducting ring and the second conducting ring can not be switched on by mistake, so that the use safety and the reliability of the liquid tilt switch are further improved.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 shows a longitudinal sectional view of a liquid tilt switch according to an embodiment of the present invention.

In the figure, 1, a columnar shell; 2. a first plug; 21. a first insertion portion; 22. a first limiting part; 3. a second plug; 31. a second insertion portion; 32. a second limiting part; 4. a first conductive ring; 5. a second conductive ring; 6. an electrolyte solution; 7. a first extraction electrode; 8. and a second extraction electrode.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The utility model provides a liquid switch that inclines, as shown in fig. 1, it includes that both ends open the column shell 1 that sets up, with the first end cap 2 of the one end shutoff of column shell 1 and with the second end cap 3 of the other end shutoff of column shell 1, so, column shell 1, first end cap 2 and second end cap 3 enclose into an inclosed holding chamber jointly, are provided with electrolyte solution 6, first conducting ring 4 and second conducting ring 5 in the holding intracavity. Preferably, the first conductive ring 4 and the second conductive ring 5 are overlapped with the axis of the cylindrical shell 1, the first conductive ring 4 is closer to the first plug 2 than the second conductive ring 5, that is, the first plug 2, the first conductive ring 4, the second conductive ring 5 and the second plug 3 are sequentially arranged along the axial direction of the cylindrical shell 1, and a gap is formed between the first conductive ring 4 and the second conductive ring 5. The outer side wall of the first conducting ring 4 and the outer side wall of the second conducting ring 5 are both attached to the inner side wall of the cylindrical shell 1, the liquid level of the electrolyte solution 6 is set to be that, when the cylindrical shell 1 is vertically arranged and the first plug 2 is located at the bottom end of the second plug 3 (refer to the state shown in fig. 1), the liquid level of the electrolyte solution 6 is located between the lower end face of the first conducting ring 4 and the upper end face of the second conducting ring 5, so that, in the vertical state, the first conducting ring 4 is not conducted with the second conducting ring 5, which is equivalent to the turning-off of the liquid tilt switch, when the liquid tilt switch tilts to a certain angle, the electrolyte solution 6 flows along the inner wall of the cylindrical shell 1 to enable the first conducting ring 4 and the second conducting ring 5 to be conducted, which is equivalent to the turning-on of the liquid tilt switch. The liquid tilt switch with the structure has good use safety, in addition, because the two conducting rings are conducted by using liquid, on one hand, the possibility of occurrence of a flash phenomenon can be effectively reduced, and the use reliability of the switch is improved, on the other hand, even if vibration occurs in the transportation process, only a small amount of electrolyte solution 6 can be splashed, and the first conducting ring 4 and the second conducting ring 5 cannot be mistakenly connected, so that the use safety and the reliability of the liquid tilt switch are further improved.

The electrolyte solution 6 may be any solution capable of conducting electricity, such as a potassium chloride solution or the like.

The liquid tilt switch further comprises a first leading-out electrode 7 and a second leading-out electrode 8, one end of the first leading-out electrode 7 is electrically connected with the first conducting ring 4, the other end of the first leading-out electrode is exposed outside the liquid tilt switch, one end of the second leading-out electrode 8 is electrically connected with the second conducting ring 5, and the other end of the second leading-out electrode is exposed outside the liquid tilt switch.

The first extraction electrode 7 and the second extraction electrode 8 can be made of any conductive material, and preferably, the first extraction electrode 7 and the second extraction electrode 8 are both copper wires to ensure conductivity, save cost and facilitate assembly.

The first leading-out electrode 7 and the second leading-out electrode 8 can penetrate through the cylindrical shell 1, and in view of convenience in assembly and guarantee of sealing performance after assembly, preferably, as shown in fig. 1, a first through hole is formed in the first plug 2, the first through hole penetrates through the first plug 2 in the axial direction, the first through hole preferably extends in the axial direction of the cylindrical shell 1, and the first leading-out electrode 7 penetrates through the first through hole to the outside of the liquid tilt switch. Similarly, a second through hole is formed in the second plug 3, the second through hole axially penetrates through the second plug 3, the second through hole preferably also axially extends along the cylindrical shell 1, and the second extraction electrode 8 penetrates out of the liquid tilt switch through the second through hole.

The first leading-out electrode 7 and the second leading-out electrode 8 can be respectively electrically connected with the first conducting ring 4 and the second conducting ring 5 by adopting bonding, welding and other modes, the first conducting ring 4 and the second conducting ring 5 can be made into annular structures by adopting any conducting materials, in order to facilitate assembly and save cost, preferably, the first conducting ring 4 is formed by bonding a copper foil tape on the inner wall of the cylindrical shell 1, the copper foil tape is pasted for at least one circle along the circumferential direction of the inner wall of the cylindrical shell 1, and the end part of the first leading-out electrode 7 is screwed with the copper foil tape forming the first conducting ring 4, so that the electrical connection between the first conducting ring 4 and the second conducting ring. For example, in one embodiment, the end (referred to as the end in the circumferential direction) of the copper foil tape forming the first conductive loop 4 is screwed with the first lead-out electrode 7, and in another embodiment, a part (e.g., the lower half in the orientation shown in fig. 1) in the width direction of the copper foil tape is adhered to the inner wall of the cylindrical casing 1 to form the first conductive loop 4, and another part (e.g., the upper half in the orientation shown in fig. 1) is screwed with the first lead-out electrode 7 and penetrates into the first via hole together with the first lead-out electrode 7. Therefore, the copper foil tape can also play a certain sealing role in the internal electrolyte solution.

Similarly, the second conductive ring 5 is preferably formed by adhering a copper foil tape to the inner wall of the cylindrical shell 1, the copper foil tape is attached at least one turn along the circumference of the inner wall of the cylindrical shell 1, and the end of the second extraction electrode 8 is screwed to the copper foil tape forming the second conductive ring 5 to achieve electrical connection therebetween. For example, in one embodiment, the end (referred to as the end in the circumferential direction) of the copper foil tape forming the second conductive loop 5 is screwed with the second lead-out electrode 8, and in another embodiment, a part (for example, the upper half in the orientation shown in fig. 1) in the width direction of the copper foil tape is adhered to the inner wall of the cylindrical housing 1 to form the second conductive loop 5, and another part (for example, the lower half in the orientation shown in fig. 1) is screwed with the second lead-out electrode 8 and penetrates into the second via hole together with the second lead-out electrode 8.

In order to facilitate assembly and obtain the largest possible liquid tilt switch connection angle (i.e., the inclination angle of the liquid tilt switch when the liquid tilt switch is connected), it is preferable that the end surface of the first conductive ring 4 near the first plug 2 is attached to the first plug 2, and the end surface of the second conductive ring 5 near the second plug 3 is attached to the second plug 3.

On this basis, it is further preferable that the first plug 2 includes a first insertion portion 21 and a first limiting portion 22 connected to the first insertion portion 21, the first insertion portion 21 is inserted into the cylindrical shell 1, the first limiting portion 22 abuts against an end surface of the cylindrical shell 1, and by providing the first limiting portion 22, when the first plug 2 is installed in the cylindrical shell 1, an end surface of one end of the first conductive ring 4 close to the first plug 2 is just attached to the first plug 2, so as to avoid damage to the first conductive ring 4 in the process of inserting the first plug 2, especially in an embodiment where the first conductive ring 4 is formed by an adhesive tape, if the first plug 2 is inserted too deep, the adhesive tape of the copper foil is easily broken. Similarly, the second plug 3 includes a second insertion portion 31 and a second stopper portion 32 connected to the second insertion portion 31, the second insertion portion 31 is inserted into the cylindrical housing 1, and the second stopper portion 32 abuts against an end surface of the cylindrical housing 1.

Of course, it is understood that the first conductive ring 4 may not be in contact with the first stopper 2, and the second conductive ring 5 may not be in contact with the second stopper 3, but may be spaced apart from each other.

For convenience of processing, preferably, the first plug 2 and the second plug 3 are symmetrically disposed relative to a central plane of the cylindrical shell 1, and the first conductive ring 4 and the second conductive ring 5 are symmetrically disposed relative to the central plane of the cylindrical shell 1, where the central plane of the cylindrical shell 1 is a plane passing through an axial center of the cylindrical shell 1 and perpendicular to an axis of the cylindrical shell 1.

Preferably, the first plug 2 and the second plug 3 are elastic material pieces, and the first plug 2 and the second plug 3 are connected with the columnar shell 1 in an interference fit manner. Therefore, the assembly is convenient, and the sealing performance after the assembly can be ensured. The elastic material part is preferably a rubber part, and has the advantages of environmental protection, corrosion resistance, stable comprehensive properties, difficult reaction with electrolyte solution and the like.

The cylindrical shell 1 can be made of any non-conductive material, such as a glass tube, and in order to ensure structural reliability and facilitate observation of the liquid level inside, the cylindrical shell 1 is preferably an acrylic tube.

The first plug 2 and the second plug 3 may be detachably connected to the cylindrical housing 1, or may be fixedly connected to the cylindrical housing 1, preferably, the first plug 2 and the cylindrical housing 1 are detachably connected, for example, by the interference fit, and the second plug 3 and the cylindrical housing 1 are hermetically connected by a sealant, so that the first plug 2 may be removed, and the needle tube is used to increase or decrease the amount of the electrolyte solution, so that the amount of the electrolyte solution is adjustable, and further, the turn-on angle of the liquid tilt switch is adjustable, thereby expanding the application range of the liquid tilt switch. The second plug 3 is connected with the columnar shell 1 in a sealing mode through sealing glue without being detached, and therefore the sealing performance of the end where the second plug 3 is located can be guaranteed.

Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.

It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.

Claims

1. The utility model provides a liquid tilt switch, its characterized in that, include the open column shell that sets up in both ends, will the first end cap of the one end shutoff of column shell and will the second end cap of the other end shutoff of column shell, the column shell first end cap with the second end cap forms the holding chamber, the holding intracavity is provided with electrolyte solution, first conducting ring and second conducting ring, first conducting ring with the second conducting ring is followed the axial of column shell separates the setting each other, just first conducting ring compare in the second conducting ring is closer to the setting of first end cap, the lateral wall of first conducting ring and the lateral wall of second conducting ring all with the inside wall laminating setting of column shell, the liquid level of electrolyte solution sets up to the vertical setting of column shell just first end cap is located the top, The liquid tilting switch comprises a first conducting ring, a second conducting ring, a first plug, a second plug, a first leading-out electrode, a second leading-out electrode and a liquid level control module, wherein the second plug is located at the bottom end, the liquid level of the electrolyte solution is located between the lower end face of the first conducting ring and the upper end face of the second conducting ring, one end of the first leading-out electrode is electrically connected with the first conducting ring, the other end of the first leading-out electrode is exposed outside the liquid tilting switch, one end of the second leading-out electrode is electrically connected with the second conducting.

2. The liquid tilt switch of claim 1, wherein the first plug has a first via hole disposed therethrough for the first lead electrode to pass through; and/or the presence of a gas in the gas,

3. The liquid tilt switch of claim 2, wherein the first conductive ring is formed by a copper foil tape adhered to an inner wall of the cylindrical housing, and one end of the first lead-out electrode is screwed with the copper foil tape forming the first conductive ring; and/or the presence of a gas in the gas,

4. The liquid tilt switch of claim 3, wherein a tip of a copper foil tape forming the first conductive ring is screwed to the first lead-out electrode, or a portion of the copper foil tape in a width direction is adhered to an inner wall of the cylindrical case to form the first conductive ring, and another portion is screwed to the first lead-out electrode and penetrates into the first via hole together with the first lead-out electrode;

5. The liquid tilt switch of any one of claims 1 to 4, wherein an end surface of the first conductive ring proximate to an end of the first plug abuts the first plug; and/or the presence of a gas in the gas,

6. The liquid tilt switch of claim 5, wherein the first plug includes a first insertion portion and a first stopper portion connected to the first insertion portion, the first insertion portion is inserted into the cylindrical housing, and the first stopper portion abuts against an end surface of the cylindrical housing;

7. The liquid tilt switch of claim 5, wherein the first plug and the second plug are symmetrically disposed about a central plane of the cylindrical housing, and wherein the first conductive ring and the second conductive ring are symmetrically disposed about the central plane of the cylindrical housing, the central plane of the cylindrical housing being a plane passing through an axial center of the cylindrical housing and perpendicular to an axis of the cylindrical housing.

8. The liquid tilt switch of any one of claims 1 to 4, wherein the first plug and/or the second plug are resilient members and have an interference fit with the cylindrical housing.

9. The liquid tilt switch of any one of claims 1 to 4, wherein the cylindrical housing is an acrylic tube.

10. The liquid tilt switch of any one of claims 1 to 4, wherein the first plug is removably connected to the cylindrical housing;