阅读说明：本技术 一种基于电流变液的自动阻断天然气供给的保护装置 (Electrorheological fluid-based protection device for automatically blocking natural gas supply ) 是由 赵国良 于 2020-05-19 设计创作，主要内容包括：一种基于电流变液的自动阻断天然气供给的保护装置,涉及智能家电技术领域,包括灶体,所述灶体的底部开设有进气口,灶体底部的内壁固定连接有两个互相对称的电磁一,灶体底部的内壁固定连接有与进气口的顶部内壁相平的橡胶膜。该基于电流变液的自动阻断天然气供给的保护装置,通过电流变液和橡胶膜的配合使用,当燃气灶长时间处于点火状态时,这时电流变液会被活动块向下挤压,使橡胶膜膨胀,橡胶膜会将进气口堵塞,阻碍天然气的供给,并且电流变液会被导电柱通电,使电流变液变为固态,使橡胶膜的形状保持固定,有效增加堵塞的密封性,从而达到了自动关闭燃气灶的效果,提高了使用燃气灶的安全性,有效保证了财产和生命安全。(The utility model provides a protection device that automatic natural gas supply that blocks based on electrorheological fluids, relates to intelligent household electrical appliances technical field, including the kitchen body, the air inlet has been seted up to the bottom of the kitchen body, and the inner wall fixedly connected with of kitchen body bottom is two electromagnetism of symmetry of each other one, and the inner wall fixedly connected with of kitchen body bottom is with the rubber membrane that the top inner wall of air inlet is flat mutually. This protection device of automatic natural gas supply of blocking based on electrorheological fluid, cooperation through electrorheological fluid and rubber membrane is used, when the gas-cooker is in the ignition state for a long time, at this moment electrorheological fluid can be extruded downwards by the movable block, make the rubber membrane inflation, the rubber membrane can block up the air inlet, hinder the supply of natural gas, and electrorheological fluid can be led electrical pillar circular telegram, make electrorheological fluid become solid-state, the shape that makes the rubber membrane keeps fixed, effectively increase the leakproofness of jam, thereby the effect of self-closing gas-cooker has been reached, the security of using the gas-cooker has been improved, property and life safety have effectively been guaranteed.)

1. The utility model provides a protection device of automatic natural gas supply that blocks based on electrorheological fluids, includes kitchen body (1), its characterized in that: the bottom of the stove body (1) is provided with an air inlet (2), the inner wall of the bottom of the stove body (1) is fixedly connected with two mutually symmetrical electromagnetic units (3), the inner wall of the bottom of the stove body (1) is fixedly connected with a rubber membrane (4) which is level with the inner wall of the top of the air inlet (2), the middle part of the stove body (1) is movably connected with electrorheological fluid (5), the middle part of the stove body (1) and the top which is close to the electrorheological fluid (5) are movably connected with a movable block (6), the bottom of the movable block (6) is fixedly connected with a conductive column (7), the inner wall of the bottom of the movable block (6) is fixedly connected with two mutually symmetrical magnetic blocks (8), two sides of the movable block (6) are respectively provided with a clamping groove (9), the middle part of the movable block (6) is fixedly connected with a dielectric plate (10), the middle part of the stove, the utility model provides a stove body, including the left side inner wall of the kitchen body (1) and be close to left side fixedly connected with positive plate (12) of movable block (6), the inner wall of the kitchen body (1) and be close to right side fixedly connected with negative plate (13) of movable block (6), inner wall fixedly connected with and negative plate (13) electric connection's resistance (14) on the right side of the kitchen body (1), the equal fixedly connected with of both sides inner wall of the kitchen body (1) and resistance (14) electric connection's two (15) of electromagnetism, the inner wall of the kitchen body (1) both sides and the inboard equal swing joint who is close to two (15) of electromagnetism have fixture block (16), the middle part fixedly connected with magnetic path two (.

2. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the stove body (1) is made of hard high-strength materials, the stove body (1) is cuboid, and the air inlet (2) is cylindrical.

3. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the magnetism of the top of the first electromagnet (3) is the same as that of the bottom of the first magnetic block (8), and the size of the first electromagnet (3) is smaller than that of the stove body (1).

4. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the rubber membrane (4) is made of soft rubber materials, and the shape of the rubber membrane (4) is cuboid.

5. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the electrorheological fluid (5) is solid in an electrified state and liquid in a non-electrified state.

6. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the movable block (6) is made of a hard high-strength material, the movable block (6) is cuboid, the conductive column (7) is made of a copper material, the conductive column (7) is cylindrical, the magnetic block I (8) is made of a rubidium magnet material, and the magnetic block I (8) is cuboid.

7. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the shape of draw-in groove (9) is triangle-shaped and the degree of depth of draw-in groove (9) is less than the width of movable block (6), the size of dielectric plate (10) is the same with the size of positive plate (12) and the size of dielectric plate (10) is the same with the size of negative plate (13).

8. The electrorheological-fluid-based protection device for automatically blocking natural gas supply according to claim 1, characterized in that: the top of the air cavity (11) and the top close to the movable block (6) are filled with gas, the gas has the performance of expansion with heat and contraction with cold, the minimum path voltage of the resistor (14) is smaller than the maximum circuit voltage of the negative plate (13), and the magnetism of the inner side of the second electromagnet (15) is the same as that of the outer side of the second magnet (17).

Technical Field

The invention relates to the technical field of intelligent household appliances, in particular to a protection device for automatically blocking natural gas supply based on electrorheological fluid.

Background

When the gas stove works, gas enters the stove from the gas inlet pipe, enters the stove head through the adjustment of the gas valve (adjusted by a user through a knob), and simultaneously mixes a part of air (the part of air is called primary air), the mixed gas is sprayed out from the fire hole of the distributor and is ignited by the ignition device to form flames (air required during combustion is called secondary air), and the flames are used for heating cookers arranged on the pot support.

The existing gas stove brings convenience for the life of residents, is convenient for the residents to cook, is low in price, is practical and convenient, and can be used for frequently forgetting to close the gas stove when emergency needs to go out in the using process, so that the gas stove is always in a burning state, natural gas is wasted, combustible substances can be easily ignited, fire disasters occur, great potential safety hazards exist, and the safety of a house is seriously threatened.

Therefore, we provide a protection device for automatically blocking natural gas supply based on electrorheological fluid to solve the above problems, and through the cooperation of the electrorheological fluid and the rubber membrane, the effect of automatically closing the gas stove is achieved, the safety of using the gas stove is improved, the property and life safety are effectively guaranteed, through the cooperation of the clamping block and the clamping groove, the effect of being beneficial to blocking an air inlet for a long time is achieved, natural gas leakage is effectively avoided, and the safety is improved.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: a protection device for automatically blocking natural gas supply based on electrorheological fluid comprises a stove body, wherein an air inlet is formed in the bottom of the stove body, two electromagnetic coils I which are symmetrical to each other are fixedly connected to the inner wall of the bottom of the stove body, a rubber membrane which is flat to the inner wall of the top of the air inlet is fixedly connected to the inner wall of the bottom of the stove body, the electrorheological fluid is movably connected to the middle of the stove body, a movable block is movably connected to the middle of the stove body and close to the top of the electrorheological fluid, a conductive post is fixedly connected to the bottom of the movable block, two magnetic blocks I which are symmetrical to each other are fixedly connected to the inner wall of the bottom of the movable block, clamping grooves are formed in two sides of the movable block, a dielectric medium plate is fixedly connected to the middle of the movable block, an air cavity matched with the movable block is formed in the middle of the stove body, a positive, the inner wall fixedly connected with on the right side of the stove body and the resistance of negative plate electric connection, the equal fixedly connected with of both sides inner wall of the stove body and resistance electric connection's electromagnetism two, the inner wall of the both sides of the stove body and the inboard equal swing joint who is close to electromagnetism two have a fixture block, the middle part fixedly connected with magnetic path two of fixture block.

The invention has the following beneficial effects:

1. this protection device of automatic natural gas supply of blocking based on electrorheological fluid, cooperation through electrorheological fluid and rubber membrane is used, when the gas-cooker is in the ignition state for a long time, at this moment electrorheological fluid can be extruded downwards by the movable block, make the rubber membrane inflation, the rubber membrane can block up the air inlet, hinder the supply of natural gas, and electrorheological fluid can be led electrical pillar circular telegram, make electrorheological fluid become solid-state, the shape that makes the rubber membrane keeps fixed, effectively increase the leakproofness of jam, thereby the effect of self-closing gas-cooker has been reached, the security of using the gas-cooker has been improved, property and life safety have effectively been guaranteed.

2. This automatic protection device who blocks natural gas supply based on electrorheological fluids, cooperation through fixture block and draw-in groove is used, when forgetting to close the gas-cooker for a long time, at this moment the movable block can be crowded to the bottommost, and at this moment electromagnetism one is all switched on with electromagnetism two, electromagnetism one and magnetic path inter attraction help extrudeing electrorheological fluids, electromagnetism two and magnetic path two repel each other, make fixture block and draw-in groove joint, effectively restrict the position of movable block, thereby reached and helped blockking up the effect of air inlet for a long time, effectively avoid the natural gas leakage, the security has been improved.

Furthermore, the stove body is made of hard high-strength materials, the stove body is cuboid, the air inlet is cylindrical, the magnetism of the top of the first electromagnetic magnet is the same as that of the bottom of the first magnetic block, and the size of the first electromagnetic magnet is smaller than that of the stove body.

Further, the material of the rubber membrane is soft rubber material and the shape of the rubber membrane is cuboid, and the electrorheological fluid is solid in the electrified state and liquid in the non-electrified state.

Further, the material of the movable block is a hard high-strength material, the shape of the movable block is a cuboid, the material of the conductive column is a copper material, the shape of the conductive column is a cylinder, the material of the first magnetic block is a rubidium magnet material, and the shape of the first magnetic block is a cuboid.

Further, the shape of draw-in groove is less than the width of movable block for the degree of depth of triangle-shaped and draw-in groove, the dielectric plate size is the same with the positive plate size and the dielectric plate size is the same with the negative plate size.

Further, the top of the air cavity and the top close to the movable block are filled with air, the air has the performance of expansion with heat and contraction with cold, the minimum path voltage of the resistor is smaller than the maximum circuit voltage of the negative plate, and the magnetism of the inner side of the second electromagnet is the same as that of the outer side of the second magnetic block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of a downward moving structure of the movable block according to the present invention;

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a stove body; 2. an air inlet; 3. performing electromagnetism I; 4. a rubber film; 5. electrorheological fluid; 6. a movable block; 7. a conductive post; 8. a first magnetic block; 9. a card slot; 10. a dielectric plate; 11. an air cavity; 12. a positive plate; 13. a negative plate; 14. a resistance; 15. a second electromagnetic field; 16. a clamping block; 17. and a second magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a protection device for automatically blocking natural gas supply based on electrorheological fluid comprises a stove body 1, the stove body 1 plays a role of fixing each component, the stove body 1 is made of a hard high-strength material and the stove body 1 is rectangular, an air inlet 2 is cylindrical, the top magnetism of an electromagnetic I3 is the same as the bottom magnetism of a magnetic block I8, the size of the electromagnetic I3 is smaller than that of the stove body 1, the bottom of the stove body 1 is provided with the air inlet 2, the air inlet 2 plays a role of supplying natural gas, the inner wall of the bottom of the stove body 1 is fixedly connected with two electromagnetic I3 which are symmetrical to each other, the electromagnetic I3 plays a role of magnetic transmission, the inner wall of the bottom of the stove body 1 is fixedly connected with a rubber membrane 4 which is flat with the inner wall of the top of the air inlet 2, the rubber membrane 4 plays a role of blocking natural gas supply, the rubber membrane 4 is made of a soft rubber material and the rubber membrane 4 is, the electrorheological fluid 5 is solid under the electrified state and liquid under the non-electrified state, the electrorheological fluid 5 is movably connected to the middle part of the stove body 1, and the electrorheological fluid 5 plays a role in transmission.

The middle of the stove body 1 and the top close to the electrorheological fluid 5 are movably connected with a movable block 6, the movable block 6 plays a role in transmission, the movable block 6 is made of a hard high-strength material, the movable block 6 is cuboid in shape, a conductive column 7 is made of a copper material, the conductive column 7 is cylindrical, a magnetic block I8 is made of a rubidium magnet material, the magnetic block I8 is cuboid in shape, the conductive column 7 is fixedly connected to the bottom of the movable block 6, the conductive column 7 plays a role in controlling the state of the electrorheological fluid 5, two magnetic blocks I8 which are mutually symmetrical are fixedly connected to the inner wall of the bottom of the movable block 6, the magnetic block I8 plays a role in magnetic transmission, clamping grooves 9 are formed in two sides of the movable block 6, the clamping grooves 9 play a role in limiting the movement of the movable block 6, the clamping grooves 9 are triangular in shape, the depth of the clamping grooves 9 is smaller than the width of the movable block 6, the size of the dielectric plate 10 is the same as that of the dielectric The size is the same, and the middle part fixedly connected with dielectric plate 10 of movable block 6, dielectric plate 10 play the effect of changing through negative plate 13 circuit voltage size.

The middle part of the stove body 1 is provided with an air cavity 11 matched with the movable block 6, the air cavity 11 plays a role in storing air, and meanwhile, the movable block 6 is convenient to move, the top of the air cavity 11 and the top close to the movable block 6 are filled with air, and the air has the performance of thermal expansion and cold contraction, the minimum path voltage of the resistor 14 is smaller than the maximum circuit voltage passing through the negative plate 13, the magnetism of the inner side of the electromagnetic coil 15 is the same as that of the outer side of the magnetic block II 17, the left inner wall of the stove body 1 and the left side close to the movable block 6 are fixedly connected with a positive plate 12, the positive plate 12 and the negative plate 13 play a role in changing circuit voltage together, according to the expression of C (S/d) rS/4 pi kd, the size of the capacitance can be determined when the relative area of the positive plate 12 and the negative plate 13 is large, the larger the voltage passing through the negative plate 13 is, the inner wall of the stove body, inner wall fixedly connected with on the right side of the kitchen body 1 and negative plate 13 electric connection's resistance 14, resistance 14 plays control electromagnetism one 3, lead the effect of post 7 and two 15 circuit connected states of electromagnetism, the equal fixedly connected with of the both sides inner wall of the kitchen body 1 and two 15 electromagnetism of resistance 14 electric connection, two 15 electromagnetism play the driven effect of magnetism, the equal swing joint in inboard that the inner wall of the kitchen body 1 both sides and be close to two 15 electromagnetism has fixture block 16, fixture block 16 plays the effect that restriction movable block 6 removed, the middle part fixedly connected with of fixture block 16 magnetic path two 17, magnetic path two 17 plays the driven effect of magnetism.

The working principle is as follows: in an initial state, as shown in fig. one, at this time, the gas stove is in a normal use state, at this time, the rubber film 4 is in a contraction state, the gas inlet 2 is in a smooth state, and at this time, the movable block 6 is positioned at the top of the gas cavity 11, at this time, the dielectric plate 10 reduces the relative area of the positive plate 12 and the negative plate 13 to the minimum, at this time, the circuit voltage passing through the negative plate 13 is smaller than the minimum circuit voltage of the resistor 14, so the resistor 14 is in an open circuit state, so the first electromagnet 3 and the second electromagnet 15 are both in a power-off state, at this time, the clamping block 16 is in a contraction state, the movable block 6 is not clamped with the clamping groove 9;

when the gas stove is not closed after being used for a long time, along with continuous heating of a fire source, at the time, gas at the top of the gas cavity 11 is heated and continuously expands, the movable block 6 is pressed downwards, meanwhile, the movable block 6 presses the electrorheological fluid 5 downwards, the rubber film 4 is continuously expanded, when the movable block 6 moves to the bottommost part, the rubber film 4 completely blocks the gas inlet 2, natural gas is cut off, the relative area of the positive plate 12 and the negative plate 13 is increased to the maximum by the dielectric plate 10, at the time, the circuit voltage of the negative plate 13 is larger than the minimum circuit voltage of the resistor 14, so that the electromagnetic I3 and the electromagnetic II 15 are both in a passage state, at the time, the magnetic block I8 is subjected to the magnetic attraction acting force of the electromagnetic I3, the position of the movable block 6 is favorably stabilized, and the magnetic block II 17 is subjected to the magnetic repulsion acting force of the electromagnetic II 15, the magnetic, make fixture block 16 and draw-in groove 9 joint, further strengthen the effect of restriction movable block 6 removal to at this moment lead electrical pillar 7 and be in the on-state, make electrorheological fluids 5 circular telegram and become solid-state, make the shape of rubber membrane 4 fixed, help improving the sealed effect of rubber membrane 4, avoid the natural gas leakage, improved the security.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.