CN115434485A - Self-heating dado secretly adorns joint structure for intelligence house - Google Patents

Self-heating dado secretly adorns joint structure for intelligence house Download PDF

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Publication number
CN115434485A
CN115434485A CN202211114884.4A CN202211114884A CN115434485A CN 115434485 A CN115434485 A CN 115434485A CN 202211114884 A CN202211114884 A CN 202211114884A CN 115434485 A CN115434485 A CN 115434485A
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CN
China
Prior art keywords
liquid
self
groove
sliding
clamping
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Granted
Application number
CN202211114884.4A
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Chinese (zh)
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CN115434485B (en
Inventor
练峰
毛长华
张贺
陈诚
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Mulimuwai Furniture Qidong Co ltd
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Mulimuwai Furniture Qidong Co ltd
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Publication of CN115434485A publication Critical patent/CN115434485A/en
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Publication of CN115434485B publication Critical patent/CN115434485B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0869Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having conduits for fluids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0889Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E04F13/0894Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with tongue and groove connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00Electric heating systems
    • F24D13/02Electric heating systems solely using resistance heating, e.g. underfloor heating
    • F24D13/022Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
    • F24D13/024Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention discloses a self-heating wall panel concealed installation clamping structure for smart home, which comprises a clamping plate and a connecting plate, wherein the lower end of the clamping plate is fixedly connected with a clamping block, the upper end of the connecting plate is provided with a clamping groove, the clamping block is embedded in the clamping groove, a plurality of liquid bags are arranged in the clamping groove, magnetorheological fluid is filled in the liquid bags, two opposite inner walls of the liquid bags are respectively embedded with an electromagnetic sheet, the inner walls of the liquid bags are also embedded with a closed coil, the side wall of the clamping block is provided with a sliding groove, and a power supply device for supplying power to the closed coil is arranged in the sliding groove. By arranging the electromagnetic sheets, the magnetorheological fluid and the closed coil, the closed coil can be electrified when the temperature is greatly changed when the heat supply of the wall panel is stopped or the heat supply is stopped, so that the magnetic field intensity formed by the two electromagnetic sheets is reduced, the viscous force of the magnetorheological fluid is greatly reduced to form flowable liquid, the clamping blocks can conveniently expand with heat and contract with cold, and the conditions of loosening or damage and the like are avoided.

Description

Self-heating dado secretly adorns joint structure for intelligence house
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to a self-heating wall panel concealed installation clamping structure for an intelligent home furnishing.
Background
The panel that the dado mainly protects building interior wall or outer wall still has better noise reduction effect, can also provide splendid decorative effect simultaneously.
For the wall panel used in modern smart home, in order to improve the heat preservation effect, especially in winter, heating is realized by arranging the electric heating component inside the wall panel. Therefore, in the design process of the clamping connection between the wall panels, a certain gap needs to be reserved at the joint, excessive expansion and damage caused by expansion with heat and contraction with cold during heating are avoided, and the condition that the clamping is loosened due to the fact that the gap is too large when the electric heating is stopped in spring and summer is also caused. In view of the above, this application file provides an intelligence house with self-heating dado secretly adorns joint structure.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-heating wall panel concealed installation clamping structure for smart homes.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an intelligence house is with dark dress joint structure of self-heating dado, includes block board and connecting plate, the lower extreme fixedly connected with joint piece of block board, the joint groove has been seted up to the upper end of connecting plate, the joint piece inlays to be established at the joint inslot, the joint inslot is equipped with a plurality of liquid sacs, the intussuseption of liquid sac is filled with magnetorheological suspensions, all inlay on two relative inner walls of liquid sac and be equipped with the electromagnetic sheet, it is equipped with closed coil still to inlay on the liquid sac inner wall, the spout has been seted up to the lateral wall of joint piece, install the power supply unit to the power supply of closed coil in the spout.
Preferably, the power supply device includes a sliding plate slidably connected in the sliding groove, a knocking rod is fixedly connected to an inner wall of the sliding groove, a through hole is formed in a side wall of the sliding plate, a first protrusion is fixedly connected to an inner wall of the through hole, a second protrusion is arranged on a side wall of the knocking rod, an elastic cover is arranged in the sliding groove, a piezoelectric patch is embedded on an inner wall of the elastic cover, and the piezoelectric patch is electrically connected with the closed coil through an amplifying circuit.
Preferably, a liquid storage tank is formed in the side wall of the clamping block, and the liquid bag is communicated with the liquid storage tank through a liquid guide pipe.
Preferably, the lateral wall of joint piece has seted up the bar groove, the bar inslot is installed the pushing mechanism who promotes the sliding plate and removes, pushing mechanism includes sliding plug and connecting rod.
Preferably, the sliding plug is connected in a strip-shaped groove in a sealing and sliding manner, the strip-shaped groove is filled with thermal expansion liquid, one end of the connecting rod is fixedly connected with the sliding plate, and the other end of the connecting rod is fixedly connected with the sliding plug.
Preferably, inlay on the lateral wall of block board and be equipped with a plurality of thermoelectric generation pieces, thermoelectric generation piece passes through amplifier circuit and electromagnetism piece electric connection.
Preferably, the clamping block is embedded with a one-way air inlet pipe and a one-way air outlet pipe which are communicated with the inside of the elastic cover, and the one-way air inlet pipe is communicated with the clamping groove.
The invention has the following beneficial effects:
1. by arranging the electromagnetic sheets, the magnetorheological fluid and the closed coil, the closed coil can be electrified when the temperature is greatly changed when the wall panel is heated or stops heating, so that the magnetic field intensity formed by the two electromagnetic sheets is reduced, the viscous force of the magnetorheological fluid is greatly reduced to form flowable liquid, the clamping block can conveniently expand with heat and contract with cold, and the conditions of looseness or damage and the like are avoided;
2. through setting up parts such as one-way intake pipe, one-way outlet duct and elastic cover, can take place when the temperature changes by a wide margin, joint gap department air flow with higher speed avoids the joint structure to appear steam condensation and wet.
Drawings
FIG. 1 is a schematic structural view of a self-heating wall panel concealed installation clamping structure for smart home according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
In the figure: 1 clamping plate, 2 clamping blocks, 3 connecting plates, 4 clamping grooves, 5 liquid bags, 6 liquid storage tanks, 7 thermoelectric generation pieces, 8 electromagnetic pieces, 9 closed coils, 10 sliding grooves, 11 elastic covers, 12 knocking rods, 13 one-way air outlet pipes, 14 one-way air inlet pipes, 15 second protrusions, 16 sliding plates, 17 first protrusions, 18 strip-shaped grooves, 19 connecting rods, 20 liquid guide pipes and 21 sliding plugs.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a self-heating dado secretly adorns joint structure for intelligence house, includes block board 1 and connecting plate 3, and the lower extreme fixedly connected with joint piece 2 of block board 1, the joint groove 4 has been seted up to the upper end of connecting plate 3, and joint piece 2 inlays to be established in joint groove 4, is equipped with a plurality of liquid sacs 5 in the joint groove 4, and reservoir 6 has been seted up to the lateral wall of joint piece 2, and liquid sac 5 communicates with each other with reservoir 6 through catheter 20.
The liquid bag 5 intussuseption is filled with magnetorheological suspensions, all inlays on two relative inner walls of liquid bag 5 and is equipped with electromagnetic sheet 8, inlays on the lateral wall of block plate 1 and is equipped with a plurality of thermoelectric generation pieces 7, and thermoelectric generation piece 7 passes through amplifier circuit and 8 electric connection of electromagnetic sheet. Still inlay on the 5 inner walls of liquid bag and be equipped with closed coil 9, the spout 10 has been seted up to the lateral wall of joint piece 2, installs the power supply unit to closed coil 9 power supply in the spout 10.
Power supply unit includes sliding plate 16 of sliding connection in spout 10, fixedly connected with strikes pole 12 on the 10 inner walls of spout, the through-hole has been seted up to sliding plate 16's lateral wall, the first arch 17 of fixedly connected with on the through-hole inner wall, it is equipped with the protruding 15 of second on striking pole 12's the lateral wall, it needs to explain, first arch 17 sets up downside on the through-hole inner wall, the protruding 15 setting of second is downside on striking pole 12 lateral wall, and strike the crisscross setting of the protruding 15 of second on the pole 12, as shown in fig. 3, when removing by a wide margin about this sliding plate 16, first arch 17 will push up the protruding 15 of second in proper order, make and strike pole 12 upwards or the downswing.
The lateral wall of joint piece 2 has been seted up the bar groove 18, installs the pushing mechanism who promotes 16 removals of sliding plate in the bar groove 18, and pushing mechanism includes sliding plug 21 and connecting rod 19, and the sealed sliding connection of sliding plug 21 is in the bar groove 18, and the bar inslot is filled with the liquid that expands with heat, connecting rod 19's one end and 16 fixed connection of sliding plate, connecting rod 19's the other end and 21 fixed connection of sliding plug.
Furthermore, the second protrusion 15 is only arranged at the middle part of the knocking rod 12, so that the volume deformation amplitude of the thermal expansion liquid is smaller under the condition of smaller temperature change in the morning and evening, the moving distance of the sliding plug 21 and the sliding plate 16 is shorter, the first protrusion 17 cannot be in contact with the second protrusion 15, the knocking rod 12 cannot be made to knock the elastic cover 11 to enable the power supply device to operate, and the clamping structure can be kept stable.
Furthermore, the second protrusions 15 are arranged densely, so that when the temperature changes greatly, the expansion speed of the thermal expansion liquid is slow, and the first protrusions 17 can continuously push the second protrusions 15, so that the knocking rod 12 continuously vibrates, and the power supply device continuously supplies power.
The sliding groove 10 is internally provided with an elastic cover 11, the clamping block 2 is embedded with a one-way air inlet pipe 14 and a one-way air outlet pipe 13 which are communicated with the inside of the elastic cover 11, specifically, the one-way air outlet pipe 13 limits air to be discharged from the elastic cover 11 to the one-way air outlet pipe 13, the one-way air inlet pipe 14 enables air to enter the elastic cover 11 only through the one-way air inlet pipe 14, when the elastic cover 11 is knocked by the knocking rod 12 to be reduced, the internal air can be discharged through the one-way air outlet pipe 13, the one-way air inlet pipe 14 is communicated with the clamping groove 4, and after the knocking rod 12 leaves the elastic cover 11, the elastic cover 11 is swelled and recovered, and air at the gap of the clamping groove 4 can be pumped and supplemented through the one-way air inlet pipe 14.
The inner wall of the elastic cover 11 is embedded with a piezoelectric sheet, the piezoelectric sheet is electrically connected with the closed coil 9 through an amplifying circuit, and it should be noted that the direction of a magnetic field generated by the closed coil 9 after being electrified is opposite to the direction of a magnetic field formed by the two electromagnetic sheets 8, so that the overall magnetic field intensity can be reduced after the closed coil 9 is electrified.
This device is in the use, because thermoelectric generation piece 7 one end is in indoorly and the other end is in outdoors, and whenever, there is the difference in temperature indoor and outdoor all the time, so can be for a long time through the power supply of amplifier circuit to two electromagnetic pieces 8, make to form the magnetic field of great intensity between two electromagnetic pieces 8, so can make the magnetorheological suspensions in the liquid bag 5 form the extremely high solid form of viscous force, so can be firm inlay establish in the gap that joint piece 2 and joint groove 4 formed, thereby make whole joint structure keep stable connection state.
If the weather becomes cold or hot and the electric heating assembly is started or closed, the environmental temperature of the whole structure is greatly increased or decreased. Taking the temperature rising state as an example, at this time, the thermal expansion liquid in the strip-shaped groove 18 also expands to a larger volume, and can push the sliding plug 21 to move to the right for a longer distance, so that the sliding plate 16 is pushed by the connecting rod 19 to move to the right synchronously, at this time, the first protrusions 17 on the upper side and the lower side in the through hole sequentially push the second protrusions 15 on the upper side and the lower side of the knocking rod 12, so that the knocking rod 12 can swing up and down, the tail end of the knocking rod 12 can periodically knock the elastic cover 11, and at the same time, the piezoelectric plate embedded in the inner wall of the elastic cover 11 can vibrate, so that the piezoelectric plate converts mechanical vibration kinetic energy into electric energy under the piezoelectric effect, and supplies power to each closed coil 9 through the amplifying circuit, at this time, after the closed coil 9 is electrified, a magnetic field in the direction opposite to the direction of the two electromagnetic plates 8 is generated, so that the magnetic field strength formed by the two electromagnetic plates 8 is reduced, at this time, the magnetorheological fluid in the liquid bag 5 can be changed into a liquid form with a lower viscous force, and the magnetorheological fluid in the liquid bag 5 can be stably returned to the liquid storage tank 11 after the temperature rising process, so that the thermal expansion liquid in the sliding bag 5 is stably clamped state, and the sliding plug 5 is not to be clamped, and the sliding bag 6 is stably clamped, so that the sliding bag 5 is not stably returns to be clamped, and the sliding rod 11, and the sliding bag 5 is stably clamped, and the sliding rod 16 is not to be in the sliding bag.
And under the state that the temperature is reduced greatly, then the sliding plug 21 stimulates the sliding plate 16 to move to the left, also can make and strike the pole 12 and strike the elastic cover 11 equally, thus make the closed coil 9 circular telegram, the joint piece 2 will take place the shrinkage with connecting plate 3 at this moment, then the pressure reduction that the liquid bag 5 receives can resume gradually under the effect of self elasticity, the increase of internal volume can produce the negative pressure and suck back the magnetorheological suspensions in the reservoir 6, and after the temperature is stabilized, the closed coil 9 cuts off the power supply, and make the joint structure keep the stable condition.
It is worth mentioning in addition, when the temperature rises or descends by a wide margin, strike pole 12 and will constantly strike elastic cover 11, so can make elastic cover 11 take place deformation, make its inside volume periodic occurrence increase and decrease change, so sustainable air suction with joint gap department through one-way intake pipe 14 is in elastic cover 11, discharge by one-way outlet duct 13 again, thereby under the temperature drastic change condition, improve the air mobility of gap department, prevent that dado joint structure from weing because of the steam condensation liquefaction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (7)

1. The utility model provides an intelligence house is with dark dress joint structure of self-heating dado, includes block board (1) and connecting plate (3), its characterized in that, the lower extreme fixedly connected with joint piece (2) of block board (1), joint groove (4) have been seted up to the upper end of connecting plate (3), joint piece (2) are inlayed and are established in joint groove (4), be equipped with a plurality of liquid sacs (5) in joint groove (4), the intussuseption of liquid sac (5) is filled with magnetorheological suspensions, all inlay on two relative inner walls of liquid sac (5) and be equipped with electromagnetic sheet (8), still inlay on liquid sac (5) inner wall and be equipped with closed coil (9), spout (10) have been seted up to the lateral wall of joint piece (2), install the power supply unit to closed coil (9) power supply in spout (10).
2. The self-heating wall panel concealed installation clamping structure for the smart home according to claim 1, wherein the power supply device comprises a sliding plate (16) which is slidably connected in a sliding groove (10), a knocking rod (12) is fixedly connected to the inner wall of the sliding groove (10), a through hole is formed in the side wall of the sliding plate (16), a first protrusion (17) is fixedly connected to the inner wall of the through hole, a second protrusion (15) is arranged on the side wall of the knocking rod (12), an elastic cover (11) is arranged in the sliding groove (10), a piezoelectric patch is embedded in the inner wall of the elastic cover (11), and the piezoelectric patch is electrically connected with a closed coil (9) through an amplifying circuit.
3. The self-heating wall panel concealed installation clamping structure for smart homes according to claim 1, wherein a liquid storage tank (6) is formed in a side wall of the clamping block (2), and the liquid bag (5) is communicated with the liquid storage tank (6) through a liquid guide pipe (20).
4. The self-heating wall panel concealed installation clamping structure for smart homes according to claim 2, wherein a strip-shaped groove (18) is formed in a side wall of the clamping block (2), a pushing mechanism for pushing the sliding plate (16) to move is installed in the strip-shaped groove (18), and the pushing mechanism comprises a sliding plug (21) and a connecting rod (19).
5. The self-heating wall panel concealed installation clamping structure for smart homes according to claim 4, wherein the sliding plug (21) is connected in a strip-shaped groove (18) in a sealing and sliding manner, the strip-shaped groove (18) is filled with thermal expansion liquid, one end of the connecting rod (19) is fixedly connected with the sliding plate (16), and the other end of the connecting rod (19) is fixedly connected with the sliding plug (21).
6. The self-heating wall panel concealed installation clamping structure for smart homes according to claim 1, wherein a plurality of thermoelectric generation pieces (7) are embedded in the side wall of the clamping plate (1), and the thermoelectric generation pieces (7) are electrically connected with the electromagnetic piece (8) through an amplifying circuit.
7. The self-heating wall panel concealed installation clamping structure for smart homes according to claim 2, wherein a one-way air inlet pipe (14) and a one-way air outlet pipe (13) communicated with the inside of the elastic cover (11) are embedded in the clamping block (2), and the one-way air inlet pipe (14) is communicated with the clamping groove (4).
CN202211114884.4A 2022-09-14 2022-09-14 Self-heating panel concealed joint structure for smart home Active CN115434485B (en)

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CN115434485B CN115434485B (en) 2023-11-17

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855948A1 (en) * 1998-02-14 2000-06-08 Bayerische Motoren Werke Ag Profile for sticking motor vehicle plate has chamber filled with rheological liquid whose viscosity can be altered depending on vehicle operating state, ambient conditions
KR20100002810A (en) * 2008-06-30 2010-01-07 서일대학산학협력단 Vibration control device for building structure by mr-damper and damping plate
CN201546399U (en) * 2009-10-31 2010-08-11 浙江大学宁波理工学院 Insulated wall body device generating electricity by temperature difference
CN102965881A (en) * 2011-08-30 2013-03-13 株式会社东芝 Washing machine
CN204590520U (en) * 2015-02-11 2015-08-26 李文新 Hardness is adjustable damping sound insulating panel pad
CN105723037A (en) * 2014-03-05 2016-06-29 韩国机械研究院 Structure for preventing noise between floors using mr actuator
CN108952054A (en) * 2018-08-23 2018-12-07 泰州市美轮美奂木业科技有限公司 A kind of high-intensitive skirting of quick-splicing type
CN109025142A (en) * 2018-08-23 2018-12-18 泰州市美轮美奂木业科技有限公司 A kind of combined type skirting being easily installed
CN109586106A (en) * 2018-11-27 2019-04-05 张登柏 A kind of easy plug safety socket
CN111775077A (en) * 2020-05-30 2020-10-16 徐东科 Limiting device for injection mold machining
CN112211360A (en) * 2020-10-20 2021-01-12 马钰翔 Multi-point monitoring anti-drop early warning color-changing ceramic tile
KR102255603B1 (en) * 2020-08-25 2021-05-25 한국건설기술연구원 Adaptive vibration control apparatus for reducing noise between floors, and method for the same
CN113615415A (en) * 2021-09-14 2021-11-09 杭州植物园(杭州西湖园林科学研究院) Magnetic grafting replaceable tree grafting device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855948A1 (en) * 1998-02-14 2000-06-08 Bayerische Motoren Werke Ag Profile for sticking motor vehicle plate has chamber filled with rheological liquid whose viscosity can be altered depending on vehicle operating state, ambient conditions
KR20100002810A (en) * 2008-06-30 2010-01-07 서일대학산학협력단 Vibration control device for building structure by mr-damper and damping plate
CN201546399U (en) * 2009-10-31 2010-08-11 浙江大学宁波理工学院 Insulated wall body device generating electricity by temperature difference
CN102965881A (en) * 2011-08-30 2013-03-13 株式会社东芝 Washing machine
CN105723037A (en) * 2014-03-05 2016-06-29 韩国机械研究院 Structure for preventing noise between floors using mr actuator
CN204590520U (en) * 2015-02-11 2015-08-26 李文新 Hardness is adjustable damping sound insulating panel pad
CN108952054A (en) * 2018-08-23 2018-12-07 泰州市美轮美奂木业科技有限公司 A kind of high-intensitive skirting of quick-splicing type
CN109025142A (en) * 2018-08-23 2018-12-18 泰州市美轮美奂木业科技有限公司 A kind of combined type skirting being easily installed
CN109586106A (en) * 2018-11-27 2019-04-05 张登柏 A kind of easy plug safety socket
CN111775077A (en) * 2020-05-30 2020-10-16 徐东科 Limiting device for injection mold machining
KR102255603B1 (en) * 2020-08-25 2021-05-25 한국건설기술연구원 Adaptive vibration control apparatus for reducing noise between floors, and method for the same
CN112211360A (en) * 2020-10-20 2021-01-12 马钰翔 Multi-point monitoring anti-drop early warning color-changing ceramic tile
CN113615415A (en) * 2021-09-14 2021-11-09 杭州植物园(杭州西湖园林科学研究院) Magnetic grafting replaceable tree grafting device

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