CN105927702B - A kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply - Google Patents
A kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply Download PDFInfo
- Publication number
- CN105927702B CN105927702B CN201610528619.9A CN201610528619A CN105927702B CN 105927702 B CN105927702 B CN 105927702B CN 201610528619 A CN201610528619 A CN 201610528619A CN 105927702 B CN105927702 B CN 105927702B
- Authority
- CN
- China
- Prior art keywords
- pump
- photovoltaic panel
- water pump
- elastic body
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
Abstract
The invention discloses a kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply, including photovoltaic panel, water pump, pump MR elastomer vibration isolator, controller and photovoltaic panel battery, photovoltaic panel to be fixed on bracket basis, and water pump is arranged on vibration isolator；Pump is provided with vibrating sensor with MR elastomer vibration isolator, it is connected by winding wire with photovoltaic panel battery, the vibration signal of water pump is passed to controller by vibrating sensor, controller outputs signals to photovoltaic panel battery by calculating, and electric current is transferred to pump by winding wire and carries out vibration isolation to water pump with MR elastomer vibration isolator by photovoltaic panel battery.The present invention combines photovoltaic panel, water pump and pump with MR elastomer vibration isolator, play a part of silencing vibration-damping, vibration isolating effect is good, it not only avoid the hard impact of rigid connector, reduce the influence to building body this body structure safety, and with building perfect adaptation, meet current solar building integrated theory.
Description
Technical field
The present invention relates to a kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply, belong to solar facilities with building
Build the structure mounting technique field being combined.
Background technology
Today that skyscraper stands in great numbers, traditional compact water heater can not meet needs, many hotels and large-scale
Market is assembled with the solar water heating system of large-scale frame system.Solar water heating system be unable to do without water pump, and water pump operation
When can produce very big vibration, if not increasing vibration isolator, user can not only be impacted, can also be to building body this body structure peace
Impact entirely.The water pump vibration isolator used at present is usually rubber blanket or common spring, and stiffness and damping is mostly fixed, from
Body lacks the function of adjustment stiffness and damping, and vibration isolating effect is unadjustable, very inapplicable for variable frequency pump.For installation tradition every
Shake the variable frequency pump of pad, and damping force is too small, and water pump time of vibration will extend；Damping force is too big, and vibration decay is rapid, but hinders
Vibration isolator normal work, and it is likely to result in rigid shock and the connector damage of vibration isolator.China Patent No. is CN
201851408 U utility model patent《Floating type anti-vibration base of water pump》A kind of floating type anti-vibration base of water pump is disclosed, has and subtracts
Few water pump vibration influence to caused by surrounding environment, but this structure is only applicable to low-frequency vibration, for dither effect
Unsatisfactory, in the case where advocating the background of green building theory, above-mentioned vibration isolation pattern is obviously not suitable for.
The content of the invention
The technical problems to be solved by the invention are the defects of presence for prior art, there is provided a kind of photovoltaic panel power supply
Pump magnetic rheology elastic body vibration isolating method, water pump is reduced in hot-water heating system to the vibration effect of building.
To solve this technical problem, the invention provides a kind of pump magnetic rheology elastic body vibration isolation side of photovoltaic panel power supply
Method, including photovoltaic panel, water pump, pump MR elastomer vibration isolator, controller and photovoltaic panel battery, the pump is with magnetorheological
Elastomeric vibration isolators include magnetic conductive board, magnetic rheology elastic body MRE, iron core, connector, bolt connection pair, coil, damping base and
Vibrating sensor, magnetic conductive board, magnetic rheology elastic body MRE and iron core are bolted pair and are connected with damping base, magnetic conductive board,
1mm gaps are left between magnetic rheology elastic body MRE and iron core and bolt connection pair；Wound around coil on iron core, coil pass through line
Circle wire is connected with photovoltaic panel battery, photovoltaic panel battery to coil power supply, magnetic conductive board, magnetic rheology elastic body MRE, iron core,
Damping base and air gap form magnetic circuit loop；The vibration signal of water pump is passed to controller by vibrating sensor.
Specifically comprise the following steps：
1) photovoltaic panel is installed：Photovoltaic panel is fixed on bracket basis by photovoltaic board mount, will when photovoltaic panel is by illumination
Luminous energy is converted into electrical power storage to battery；
2) water pump is installed：Pump is fixed on pump foundation with MR elastomer vibration isolator by foundation bolt, water pump installation
On pump MR elastomer vibration isolator；
3) run：During water pump operation, the vibration of water pump is delivered to magnetic conductive board by connector, and then is delivered to magnetorheological bullet
On property body MRE；At the same time, vibration signal is passed to controller by vibrating sensor, and controller will be defeated by the signal calculated
Go out to photovoltaic panel battery, photovoltaic panel battery and receive the signal from controller, output current to coil；
4) vibration isolation：After coil is powered, magnetic conductive board, magnetic rheology elastic body MRE, iron core, damping base and air gap are formed
Magnetic circuit loop, when magnetic field is by magnetic rheology elastic body MRE, magnetic rheology elastic body MRE is changed by magnetic fields, modulus of elasticity
Become, and then absorb vibration, vibration isolation is carried out to water pump.
The pump also includes buckle closure with MR elastomer vibration isolator, and the buckle closure is connected through a screw thread with damping base.
The water pump is fixed on by water pump bracket on the connector of pump MR elastomer vibration isolator, is set on connector
There is adjustment hole, water pump bracket adjusts the spacing of water pump and pump MR elastomer vibration isolator by adjusting screw.
Pilot seal circle is provided between the buckle closure and connector.
The pump is fixed on pump foundation with MR elastomer vibration isolator by foundation bolt.
Beneficial effect：The present invention compared with prior art, by photovoltaic panel, water pump and pump MR elastomer vibration isolator
With reference to playing a part of silencing vibration-damping.The present invention has advantages below：First, the magnetic rheology elastic body MRE in scheme is according to line
The size of current that circle provides adjusts rigidity and the damping of itself in real time, and not only vibration isolating effect is good, would also avoid rigid connector
Hard impact, reduce the influence to building body this body structure safety；Second, the present invention by photovoltaic panel, water pump and pump with magnetorheological bullet
Property body vibration isolator and building perfect adaptation, greatly improve the experience of user, can not only be that water pump and its component be becalmed and be taken shelter from rain,
Effect attractive in appearance can also be played, meets current solar building integrated theory.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the assembling schematic diagram of pump MR elastomer vibration isolator of the present invention；
Fig. 3 is the schematic cross-sectional view of pump MR elastomer vibration isolator of the present invention；
Fig. 4 is flux loop figure when pump of the present invention is worked with MR elastomer vibration isolator；
Fig. 5 is electric control system schematic diagram of the present invention.
In figure：1 photovoltaic panel, 2 bracket basis, 3 water pumps, 4 winding wires, 5 pump MR elastomer vibration isolators, 6 pump bases
Plinth, 7 photovoltaic board mounts, 8 water pump brackets, 9 adjusting screws, 10 foundation bolts, 11 pilot seal circles, 12 buckle closures, 13 magnetic conductive boards, 14
Magnetic rheology elastic body MRE, 15 iron cores, 16 connectors, 17 bolt connection pairs, 18 coils, 19 damping bases, 20 vibrating sensors,
21 controllers, 22 photovoltaic panel batteries.
Embodiment
Below in conjunction with the accompanying drawings and embodiment specifically describes to the present invention.
Fig. 1 show the structural representation of the present invention.
The present invention includes photovoltaic panel 1, water pump 3, pump MR elastomer vibration isolator 5, controller 21 and photovoltaic panel electric power storage
Pond 22, when photovoltaic panel 1 is by illumination, electrical power storage is converted light energy into photovoltaic panel battery 22.
The photovoltaic panel 1 is fixed on bracket basis 2 by photovoltaic board mount 7.
The water pump 3 is arranged on pump with MR elastomer vibration isolator 5, and pump MR elastomer vibration isolator 5 passes through
Foundation bolt 10 is fixed on pump foundation 6.
The pump MR elastomer vibration isolator 5 is connected by winding wire 4 with photovoltaic panel battery 22, pump magnetic current
Become elastomeric vibration isolators 5 and photovoltaic panel battery 22 is connected with controller 21.
Fig. 2 show the assembling schematic diagram of pump MR elastomer vibration isolator of the present invention.
The water pump 3 is fixed on the connector 16 of pump MR elastomer vibration isolator 5 by water pump bracket 8, connection
Part 16 is provided with adjustment hole, and water pump bracket 8 adjusts water pump 3 and pump between MR elastomer vibration isolator 5 by adjusting screw 9
Away from enabling water pump 3 and water pump bracket 8 to be in close contact.
Fig. 3 show the schematic cross-sectional view of pump MR elastomer vibration isolator of the present invention.
The pump includes buckle closure 12, magnetic conductive board 13, magnetic rheology elastic body MRE14, iron core with MR elastomer vibration isolator 5
15th, connector 16, bolt connection pair 17, coil 18, damping base 19 and vibrating sensor 20.
The buckle closure 12 is connected through a screw thread with damping base 19, and it is close that guiding is provided between the buckle closure 12 and connector 16
Seal 11.
The magnetic conductive board 13, magnetic rheology elastic body MRE14 and iron core 15 are bolted pair 17 and damping base 19
Connection, 1mm gaps are left between magnetic conductive board 13, magnetic rheology elastic body MRE14 and iron core 15 and bolt connection pair 17.
The coil 18 is wrapped on iron core 15, and coil 18 is connected by winding wire 4 with photovoltaic panel battery 22.
Fig. 4 show flux loop figure when pump of the present invention is worked with MR elastomer vibration isolator.
The output current of photovoltaic panel battery 22 is to coil 18, and now the sense of current is (bows from the top down counterclockwise
Depending on), magnetic conductive board 13, magnetic rheology elastic body MRE14, iron core 15, damping base 19 and air gap form magnetic circuit loop, by electromagnetic field
Right-handed helix relation understands arrow direction in magnetic line of force direction such as Fig. 4.
Fig. 5 show electric control system schematic diagram of the present invention.
The operation principle of the present invention is illustrated with reference to Fig. 5 as follows：
The present invention carries out vibration isolation using magnetic rheology elastic body MRE14, and when water pump operation, its vibration is passed by connector 16
Magnetic conductive board 13 is delivered to, and then is delivered on magnetic rheology elastic body MRE14；At the same time, vibrating sensor 20 detects water pump 3 not
With the vibration of degree, analog signal is passed into controller 21, controller 21 outputs signals to photovoltaic panel battery by calculating
22, electric current is transferred to the coil 18 of pump MR elastomer vibration isolator 5 by winding wire 4 by photovoltaic panel battery 22, leads
Magnetic sheet 13, magnetic rheology elastic body MRE14, iron core 15, damping base 19 and air gap form magnetic circuit loop.
Magnetic rheology elastic body MRE, as a kind of rubber-like materials, except with traditional elastomeric material high resiliency, Low ESR
Outside viscoelastic feature, also with special magnetic rheology effect.Relative to traditional passive type vibration isolator, based on magnetorheological bullet
Property body MRE vibration isolator mechanics parameter is controllable, when magnetic rheology elastic body MRE passes through magnetic field, by magnetic fields, its springform
Amount can change, and then absorb vibration, in real time to arbitrary excitation, sinusoidal excitation and seismic stimulation etc. all with preferably every
Shake effect.
The vibration isolating method of the present invention specifically comprises the following steps：
1) photovoltaic panel is installed：Photovoltaic panel 1 is fixed on bracket basis 2 by photovoltaic board mount 7, and photovoltaic panel 1 is by illumination
When, electrical power storage is converted light energy into battery 22；
2) water pump is installed：Pump MR elastomer vibration isolator 5 is fixed on pump foundation 6 by foundation bolt 10, water pump 3
Installed in pump with MR elastomer vibration isolator 5；
3) during water pump operation, the vibration of water pump 3 is delivered to magnetic conductive board 13 by connector 16, and then is delivered to magnetorheological bullet
On property body MRE14；At the same time, vibration signal is passed to controller 21 by vibrating sensor 20, and controller 21, which will pass through, to be calculated
Signal output receive the signal from controller 21 to photovoltaic panel battery 22, photovoltaic panel battery 22, output current arrives
Coil 18；
4) system isolation：After coil 18 is powered, magnetic conductive board 13, magnetic rheology elastic body MRE14, iron core 15, damping base 19
And air gap forms magnetic circuit loop, when magnetic field is by magnetic rheology elastic body MRE14, magnetic rheology elastic body MRE14 is by magnetic field
Effect, modulus of elasticity changes, and then absorbs vibration, and vibration isolation is carried out to water pump 3.
The present invention compared with prior art, photovoltaic panel, water pump and pump is combined with MR elastomer vibration isolator, played
The effect of silencing vibration-damping, there is advantages below：
First, the size of current that the magnetic rheology elastic body MRE in scheme provides according to coil adjusts the rigidity of itself in real time
And damping, not only vibration isolating effect is good, would also avoid the hard impact of rigid connector, reduces the shadow to building body this body structure safety
Ring；
Second, the present invention is by photovoltaic panel, water pump and pump MR elastomer vibration isolator and builds perfect adaptation, significantly
The experience of user is improved, can not only be that water pump and its component are becalmed and taken shelter from rain, moreover it is possible to play effect attractive in appearance, meet currently too
The theory of positive energy architecture-integral.
The embodiment above of the present invention, is merely illustrative, be not it is only, it is all within the scope of the present invention or it is equivalent this
Change in the range of invention is surrounded by the present invention.
Claims (4)
- A kind of 1. pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply, it is characterised in that：Including photovoltaic panel（1）, water pump （3）, pump MR elastomer vibration isolator（5）, controller（21）With photovoltaic panel battery（22）, the magnetorheological elasticity of the pump Body vibration isolator（5）Including magnetic conductive board（13）, magnetic rheology elastic body MRE（14）, iron core（15）, connector（16）, bolt connection pair （17）, coil（18）, damping base（19）And vibrating sensor（20）, magnetic conductive board（13）, magnetic rheology elastic body MRE（14）And Iron core（15）It is bolted pair（17）With damping base（19）Connection, magnetic conductive board（13）, magnetic rheology elastic body MRE（14）With And iron core（15）With bolt connection pair（17）Between leave 1mm gaps；Iron core（15）Upper wound around coil（18）, coil（18）Pass through Winding wire（4）With photovoltaic panel battery（22）Connection, photovoltaic panel battery（22）To coil（18）Power supply, magnetic conductive board（13）、 Magnetic rheology elastic body MRE（14）, iron core（15）, damping base（19）And air gap forms magnetic circuit loop；Vibrating sensor（20） By water pump（3）Vibration signal pass to controller（21）；Specifically comprise the following steps：Photovoltaic panel is installed：Photovoltaic panel（1）Pass through photovoltaic board mount（7）It is fixed on bracket basis（2）On, photovoltaic panel（1）By light According to when, convert light energy into electrical power storage to battery（22）；Water pump is installed：Pump MR elastomer vibration isolator（5）Pass through foundation bolt（10）It is fixed on pump foundation（6）On, water pump （3）Installed in pump MR elastomer vibration isolator（5）On；Operation：Water pump（3）During operation, water pump（3）Vibration pass through connector（16）It is delivered to magnetic conductive board（13）, and then be delivered to Magnetic rheology elastic body MRE（14）On；At the same time, vibrating sensor（20）Vibration signal is passed into controller（21）, control Device（21）By the signal output by calculating to photovoltaic panel battery（22）, photovoltaic panel battery（22）Receive and come from controller （21）Signal, output current to coil（18）；Vibration isolation：Coil（18）After being powered, magnetic conductive board（13）, magnetic rheology elastic body MRE（14）, iron core（15）, damping base （19）And air gap forms magnetic circuit loop, when magnetic field passes through magnetic rheology elastic body MRE（14）When, magnetic rheology elastic body MRE（14） By magnetic fields, modulus of elasticity changes, and then absorbs vibration, to water pump（3）Carry out vibration isolation.
- 2. the pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply according to claim 1, it is characterised in that：It is described Pump MR elastomer vibration isolator（5）Also include buckle closure（12）, the buckle closure（12）With damping base（19）Connected by screw thread Connect.
- 3. the pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply according to claim 1, it is characterised in that：It is described Water pump（3）Pass through water pump bracket（8）It is fixed on pump MR elastomer vibration isolator（5）Connector（16）On, connector （16）It is provided with adjustment hole, water pump bracket（8）Pass through adjusting screw（9）Adjust water pump（3）With pump magnetic rheology elastic body vibration isolation Device（5）Spacing.
- 4. the pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply according to claim 2, it is characterised in that：It is described Buckle closure（12）With connector（16）Between be provided with pilot seal circle（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528619.9A CN105927702B (en) | 2016-07-06 | 2016-07-06 | A kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528619.9A CN105927702B (en) | 2016-07-06 | 2016-07-06 | A kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105927702A CN105927702A (en) | 2016-09-07 |
| CN105927702B true CN105927702B (en) | 2018-01-26 |
Family
ID=56826993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610528619.9A Active CN105927702B (en) | 2016-07-06 | 2016-07-06 | A kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927702B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116582175B (en) * | 2023-07-14 | 2023-09-12 | 交通运输部北海航海保障中心天津航标处 | Navigation mark telemetering and remote control communication system based on Beidou No. three RDSS |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173268Y (en) * | 2008-01-18 | 2008-12-31 | 湖南工程学院 | MR elastomer vibration isolator |
| CN203384059U (en) * | 2013-08-02 | 2014-01-08 | 振宇 | Solar water pump |
| CN104500641A (en) * | 2015-01-14 | 2015-04-08 | 青岛理工大学 | Birotor self-powered damper based on magnetorheological elastomers |
| CN205315605U (en) * | 2016-01-15 | 2016-06-15 | 山东科技大学 | Novel isolator based on magnetic current becomes elastomer |
| CN205824032U (en) * | 2016-07-06 | 2016-12-21 | 山东力诺瑞特新能源有限公司 | The pump magnetic rheology elastic body vibrating isolation system that a kind of photovoltaic panel is powered |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007019584A1 (en) * | 2007-04-25 | 2008-11-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheological torque transmission device, its use and magnetorheological torque transmission method |
-
2016
- 2016-07-06 CN CN201610528619.9A patent/CN105927702B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173268Y (en) * | 2008-01-18 | 2008-12-31 | 湖南工程学院 | MR elastomer vibration isolator |
| CN203384059U (en) * | 2013-08-02 | 2014-01-08 | 振宇 | Solar water pump |
| CN104500641A (en) * | 2015-01-14 | 2015-04-08 | 青岛理工大学 | Birotor self-powered damper based on magnetorheological elastomers |
| CN205315605U (en) * | 2016-01-15 | 2016-06-15 | 山东科技大学 | Novel isolator based on magnetic current becomes elastomer |
| CN205824032U (en) * | 2016-07-06 | 2016-12-21 | 山东力诺瑞特新能源有限公司 | The pump magnetic rheology elastic body vibrating isolation system that a kind of photovoltaic panel is powered |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105927702A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104112403B (en) | The preceding maintaining method of LED modules and the LED display using this method on LED display | |
| CN206441619U (en) | Damping noise-proofing transformer | |
| CN109138207B (en) | Energy recovery type eddy current damper | |
| CN105680720B (en) | The multi-direction wideband kinetic energy collector of multiple degrees of freedom piezoelectricity electromagnetism combined type | |
| CN103511529B (en) | Rigidity-adjustable electromagnetic vibration isolator | |
| CN107610920A (en) | One kind has vibration-damping radiating functional transformer shell | |
| CN205824032U (en) | The pump magnetic rheology elastic body vibrating isolation system that a kind of photovoltaic panel is powered | |
| CN105927702B (en) | A kind of pump magnetic rheology elastic body vibration isolating method of photovoltaic panel power supply | |
| CN111255105B (en) | Multidimensional electromagnetic intelligent vibration damper | |
| CN109972667A (en) | A kind of composite-structure magnetorheological elastomer negative stiffness isolator | |
| CN107222129B (en) | A kind of vibration-damping generator based on converse magnetostriction principle | |
| CN203055590U (en) | Electromagnetic actuator | |
| CN204390733U (en) | A kind of electric automobile horn | |
| CN106625306A (en) | Bidirectional electromagnetic type bench vice | |
| CN206091504U (en) | Shape memory alloy electromagnetism series connection composite damping ware | |
| CN205654490U (en) | Wind power generation set based on vortex -induced resonance | |
| CN104992701B (en) | A kind of master passive hybrid isolator of anti-side knock | |
| CN211239018U (en) | PLC power cabinet | |
| CN107355552A (en) | A kind of large-scale water valve of electromagnetic type | |
| CN108022713A (en) | A kind of electromagnet | |
| CN207150484U (en) | Electric machine controller fixing device | |
| CN206600574U (en) | A kind of mechanical and electric equipment installation device | |
| CN207935514U (en) | A kind of power-off self-resetting valve actuator of explosion-proof stable output type | |
| CN204168028U (en) | A kind of interpolar supporting structure of rotor | |
| CN201294140Y (en) | Iron-core suspensory amorphous alloy dry transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |