CN101093762A - Liquid switch - Google Patents
Liquid switch Download PDFInfo
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- CN101093762A CN101093762A CN 200610061253 CN200610061253A CN101093762A CN 101093762 A CN101093762 A CN 101093762A CN 200610061253 CN200610061253 CN 200610061253 CN 200610061253 A CN200610061253 A CN 200610061253A CN 101093762 A CN101093762 A CN 101093762A
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Abstract
The liquid switch includes following parts: flexible switch main body with hollow channel, liquid conductor sealed in the hollow channel and two current-carrying electrodes with their one end being inserted to switch main body, and connected to liquid conductor electrically. When outside force being applied to, the flexible switch main body generates deformation so that liquid conductor sealed in the main body is disconnected. Thus, liquid switch is in disconnection state. When outside force disappears, the switch main body restores to the original state. Liquid conductor is reconnected so that liquid switch is in close state.
Description
[technical field]
The present invention relates to a kind of switch, particularly a kind of liquid switch.
[background technology]
In daily life, medicine equipment and other commercial Application; people can use limit switch usually; this switch is fixed on the different objects; when object of which movement produces switching signal to the precalculated position or when touching other objects, so that send the stop motion of control object, warning and other triggering signals.At present, Chang Yong limit switch mainly comprises remote sensing formula and mechanical.Yet these switches can only be protected a single point or less zone, need to be provided with a plurality of protection switches for long zone or zone in irregular shape, and control protection effect can't be satisfactory.In addition, at present the widely used mechanical switch of institute mainly comprises switch main body and is arranged on switch main body interior movable electric contact and fixed contact, by the movable electric contact of control, make it to be in and contact or released state realizes the conducting of external circuit or disconnect to control during use with fixed contact.Yet, owing to the moment that is in contact with one another at electric contact forms discharge easily and produces electric spark between electric contact, thereby this switch potential safety hazard of various degrees in actual applications.
[summary of the invention]
In order to solve the protection effect unfavorable technical problem of prior art limit switch, the invention provides a kind of protection zone and greatly also can carry out crooked to adapt to the liquid switch of different objects for big zone or irregular area.In addition, the present invention has also further solved standard machinery formula switch and be easy to generate electric spark in switching process, has the technical problem of potential safety hazard.
The present invention solves the prior art limit switch: a kind of liquid switch is provided; it is characterized in that: liquid switch comprises the flexible switch main body with hollow channel; be sealed in the fluid conductors in the hollow channel, and an end two conductive electrodes that insert switch main body and be electrically connected with fluid conductors.
According to one preferred embodiment of the present invention, the flexible switch main body is an elastomeric material.
According to one preferred embodiment of the present invention, the flexible switch main body is made by soft rubber.
According to one preferred embodiment of the present invention, the flexible switch main body is flexible strip main body.
According to one preferred embodiment of the present invention, the flexible switch main body is a U-shaped, and two conductive electrodes are arranged on top one side of flexible switch main body.
According to one preferred embodiment of the present invention, the flexible switch main body is rectangle or helical form.
According to one preferred embodiment of the present invention, fluid conductors is liquid metal, conduction latex or ionized water.
According to one preferred embodiment of the present invention, conductive electrode is conductive metal sheet or conductive wire.
According to one preferred embodiment of the present invention, liquid switch further comprises the housing of accommodating switch main body and is arranged on the shift knob that is used for the extruded hollow passage on the housing.
By adopting said structure, when this liquid switch was subjected to the compressing of external force, the flexible switch main body produced distortion, and the interior fluid conductors of hollow channel that is sealed in switch main body disconnects along with the distortion of switch main body, thereby liquid switch is disconnected; After applied external force disappears, because switch main body is an elastomer, switch main body will be returned to initial condition, and the fluid conductors that is sealed in the hollow channel of switch main body also reconnects, and then make the liquid switch closure.Because the flexible switch main body can be designed to difformity according to actual needs, and can be crooked arbitrarily, thereby can be used for the big or irregularly shaped object in protection zone.In addition, because liquid switch of the present invention is by the connection of fluid conductors or disconnects the closed or disconnection that realizes switch, do not need the closed or disconnection that is in contact with one another or separates the realization switch through electric contact, can not occur having eliminated potential safety hazard because of electric contact is in contact with one another the phenomenon that produces spark.And liquid switch of the present invention is simple in structure, and is easily manufactured.
[description of drawings]
Fig. 1 is the perspective view of liquid switch one embodiment of the present invention when being in conducting state;
Fig. 2 is a liquid switch shown in Figure 1 perspective view when being in off-state;
Fig. 3 is the perspective view of another embodiment of liquid switch of the present invention when being in conducting state;
Fig. 4 is a liquid switch shown in Figure 3 perspective view when being in off-state;
Fig. 5 is the generalized section of another embodiment of liquid switch of the present invention.
[embodiment]
The present invention is described in detail below in conjunction with drawings and Examples.
As shown in Figure 1, Fig. 1 is the perspective view of liquid switch one embodiment of the present invention when being in conducting state.Liquid switch 1 of the present invention comprises flexible flexible strip shape switch main body 11, be provided with a hollow channel 13 in the inside of switch main body 11, in passage 13, fill and be sealed with conducting liquid 14, bar switch main body 11 two ends are provided with and are respectively arranged with conductive electrode 12, and an end of these two conductive electrodes 12 inserts switch main body 11 respectively and is electrically connected with conducting liquid 14 in the passage 13.
Switch main body 11 is flexible and has elasticity, for example, can be made by elastomeric materials such as soft rubbers.Conductive electrode 12 can be conductive metal sheet, conductive wire or other conductive electrodes that is fit to.Conducting liquid 14 is liquid metal, liquid conduction latex, ionized water or other fluid conductors that is fit to.
Do not having external force to do the time spent, two conductive electrodes 12 that lay respectively at switch main body 11 two ends are electrically connected by the conducting liquid 14 that is sealed in the passage 13, form conductive path thus.
As shown in Figure 2, Fig. 2 is a liquid switch shown in Figure 1 perspective view when being in off-state.In use, with switch main body 11 along the object edge setting.Because switch main body 11 is flexible main body, thereby can carry out suitable bending, adapt to the difformity of object edge.When being subjected to external force F, the side of slender switch main body 11 does the time spent, when for example contacting with other objects, because the switch main body 11 of liquid switch 1 itself has elasticity, then switch main body 11 produces distortion, make part hollow channel 13 become flat, after external force F is greater than predetermined value, the inwall of part hollow channel 13 pushes fully and fits together, this moment, the conducting liquid 14 of two conductive electrodes 12 of connection in passage 13 was forced to disconnect originally, conductive path between two conductive electrodes 12 disconnects, make liquid switch 1 be in off-state, produce a switch cut-off signal thus.Please refer again to Fig. 1, after external force F disappears, because the elasticity of the switch main body 11 of liquid switch 1 itself, the part switch main body 11 of pressurized recovers back original state, therefore passage 13 also is returned to hollow state, conducting liquid 14 reconnects two conductive electrodes 12, makes liquid switch 1 be in conducting state again, produces a switch closure signals thus.The advantage of the liquid switch of present embodiment is: the profile of the different objects that can protect as required; select different length and difform switch main body; and make the time spent switch and all can disconnect when any one position of switch main body is subjected to external force; thereby the protection zone is bigger than existing limit switch; and flexibility is higher, and structure is simpler.
As shown in Figure 3, Fig. 3 is the perspective view of another embodiment of liquid switch of the present invention when being in conducting state.Liquid switch 2 of the present invention comprises U-shaped switch main body 21, be provided with a hollow channel 23 in the inside of switch main body 21, in passage 23, fill and be sealed with 24, two conductive electrodes 22 of conducting liquid and be arranged on U-shaped main body top one side, and curved portions one side is as the press section of switch.
As shown in Figure 4, Fig. 4 is a liquid switch shown in Figure 3 perspective view when being in off-state.When the arcuate flanks at switch main body 21 applies external force F, make part hollow channel 23 become flat, thereby the inwall of part hollow channel 23 pushes fully and fits together, this moment, the conducting liquid 24 of two conductive electrodes 22 of connection in passage 23 was forced to disconnect originally, conductive path between this moment two conductive electrodes 22 disconnects, after external force F disappears, because the elastic recovery of the switch main body 21 of liquid switch 2 itself is to initial condition, conducting liquid 24 reconnects, and makes liquid switch 2 be in closure state again.As seen, liquid switch 2 can be used for replacing the employed touch-switchs of equipment such as present doorbell.
As shown in Figure 5, Fig. 5 is the structural representation of another embodiment of liquid switch of the present invention.In the present embodiment, liquid switch 3 comprises housing 35,36 and is arranged on switch main body 31 in the housing 35,36, be provided with a hollow channel 33 in the inside of switch main body 31, one end of filling and being sealed with 34, two conductive electrodes 32 of conducting liquid in passage 33 inserts respectively in the switch main body 31 and is electrically connected with conducting liquid 34 in the passage 33.Housing 35 is provided with the shift knob 351 that is used for extruded hollow passage 33.During use, the user makes itself and housing 36 together push switch main body 31 by pressing shift knob 351, makes passage 33 closures, and then disconnects conducting liquid 34, realizes the disconnection of liquid switch 3.As seen, liquid switch 3 can be used to replace existing key switch.
In addition, can also according to actual needs switch main body be arranged to spiral, rectangle and other suitable shapes, and conductive electrode can adopt other suitable shapes or be arranged on any suitable position of switch main body, to adapt to different switch application.
In the above-described embodiments, only the present invention has been carried out exemplary description, but those skilled in the art can design the execution mode of different shape according to different actual needs under the situation of the scope and spirit that do not break away from the present invention and protected.
Claims (9)
1. liquid switch, it is characterized in that: described liquid switch comprises the flexible switch main body with hollow channel, be sealed in the fluid conductors in the described hollow channel, and an end two conductive electrodes that insert described switch main body and be electrically connected with described fluid conductors.
2. liquid switch according to claim 1 is characterized in that: described flexible switch main body is an elastomeric material.
3. liquid switch according to claim 2 is characterized in that: described flexible switch main body is made by soft rubber.
4. liquid switch according to claim 1 is characterized in that: described flexible switch main body is flexible strip main body.
5. liquid switch according to claim 1 is characterized in that: described flexible switch main body is a U-shaped, and described two conductive electrodes are arranged on top one side of described flexible switch main body.
6. liquid switch according to claim 1 is characterized in that: described flexible switch main body is rectangle or helical form.
7. liquid switch according to claim 1 is characterized in that: described fluid conductors is liquid metal, conduction latex or ionized water.
8. liquid switch according to claim 1 is characterized in that: described conductive electrode is conductive metal sheet or conductive wire.
9. liquid switch according to claim 1 is characterized in that: described liquid switch further comprises the housing of accommodating described switch main body and is arranged on being used on the described housing and pushes the shift knob of described hollow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610061253 CN101093762A (en) | 2006-06-20 | 2006-06-20 | Liquid switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610061253 CN101093762A (en) | 2006-06-20 | 2006-06-20 | Liquid switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101093762A true CN101093762A (en) | 2007-12-26 |
Family
ID=38991931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610061253 Pending CN101093762A (en) | 2006-06-20 | 2006-06-20 | Liquid switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101093762A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107580270A (en) * | 2015-04-23 | 2018-01-12 | 蒋春花 | The method that video is provided using mobile terminal, by earphone |
| CN109402818A (en) * | 2018-12-06 | 2019-03-01 | 清华大学 | A kind of conductive micron fibers and its preparation and application based on liquid metal |
| CN110033982A (en) * | 2019-04-09 | 2019-07-19 | 西安交通大学 | A kind of miniature liquid metal switch with flexible structure |
| CN111968896A (en) * | 2020-08-18 | 2020-11-20 | 刘剑 | Quick response type recoverable fuse |
| CN112331513A (en) * | 2020-10-22 | 2021-02-05 | 杭州米迪智能科技有限公司 | Power switch capable of relieving arc pull |
| CN114388294A (en) * | 2020-10-16 | 2022-04-22 | 中国科学院理化技术研究所 | Switch mechanism of liquid circuit and multilayer parallel liquid circuit switch |
-
2006
- 2006-06-20 CN CN 200610061253 patent/CN101093762A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107580270A (en) * | 2015-04-23 | 2018-01-12 | 蒋春花 | The method that video is provided using mobile terminal, by earphone |
| CN109402818A (en) * | 2018-12-06 | 2019-03-01 | 清华大学 | A kind of conductive micron fibers and its preparation and application based on liquid metal |
| CN109402818B (en) * | 2018-12-06 | 2021-04-06 | 清华大学 | Conductive micron fiber based on liquid metal and preparation and application thereof |
| CN110033982A (en) * | 2019-04-09 | 2019-07-19 | 西安交通大学 | A kind of miniature liquid metal switch with flexible structure |
| CN111968896A (en) * | 2020-08-18 | 2020-11-20 | 刘剑 | Quick response type recoverable fuse |
| CN111968896B (en) * | 2020-08-18 | 2023-09-29 | 杭州电力设备制造有限公司 | Quick response type recoverable fuse |
| CN114388294A (en) * | 2020-10-16 | 2022-04-22 | 中国科学院理化技术研究所 | Switch mechanism of liquid circuit and multilayer parallel liquid circuit switch |
| CN114388294B (en) * | 2020-10-16 | 2024-04-19 | 中国科学院理化技术研究所 | Switching mechanism of liquid circuit and multi-layer parallel liquid circuit switch |
| CN112331513A (en) * | 2020-10-22 | 2021-02-05 | 杭州米迪智能科技有限公司 | Power switch capable of relieving arc pull |
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| PB01 | Publication | ||
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Open date: 20071226 |