CN108757816A - It is a kind of to recycle thermal energy and the raw electric MR damper of chemistry under power failure state - Google Patents

It is a kind of to recycle thermal energy and the raw electric MR damper of chemistry under power failure state Download PDF

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Publication number
CN108757816A
CN108757816A CN201810812625.6A CN201810812625A CN108757816A CN 108757816 A CN108757816 A CN 108757816A CN 201810812625 A CN201810812625 A CN 201810812625A CN 108757816 A CN108757816 A CN 108757816A
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China
Prior art keywords
end cap
cylinder
fixed cover
outer cylinder
electrolyte
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CN201810812625.6A
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CN108757816B (en
Inventor
陈松
杨晶
黄金
谢勇
罗春梅
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Chongqing University of Technology
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Chongqing University of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/53Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535Magnetorheological [MR] fluid dampers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002Generators

Abstract

The invention discloses it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, the inside of including outer cylinder, left end cap and right end cap, the left end cap and right end cap is equipped with chemical reaction chamber;It is equipped with electrode bar in chemical reaction chamber;It is equipped with electrolyte accommodating chamber in outer cylinder, electrolyte is filled in the solution liquid accommodating chamber;It is equipped with a middle brace rod between left piston and right piston, an inner cylinder is equipped on middle brace rod, magnet exciting coil is equipped in the outside of inner cylinder;Magnetorheological fluid is filled between inner cylinder and sealing ring and intermediate cavity;It is equipped with external power supply connector in the outside of outer cylinder, the both ends of the magnet exciting coil are connected by conducting wire with the external power supply connector and electrode bar.The present invention can compensation be powered automatically under dead electricity situation, continues to generate damping;And the damping effect that can effectively enhance magnetorheological fluid greatly improves the stability and reliability of entire MR damper.

Description

It is a kind of to recycle thermal energy and the raw electric MR damper of chemistry under power failure state
Technical field
The present invention relates to damper technique field more particularly to a kind of it can recycle thermal energy and the raw electricity of chemistry under power failure state MR damper.
Background technology
Magnetorheological fluid is a kind of novel and multifunctional material, is made of magnetic-particle, basal liquid and associated additives.When outer In the presence of boundary is without magnetic field, magnetorheological fluid has the property of similar Newtonian fluid behavior, in the presence of there is magnetic field in the external world, inner magnet Property particle chain is occurring along magnetic line of force direction rapidly, cause the rheological behaviors such as its viscoplasticity to change, transformation period is with millisecond Unit, magnetorheological fluid also correspondingly becomes viscous solid behavior, and whole process is all reversible.According to the stream of magnetorheological fluid Become characteristic etc., can be made into MR damper, magnetic rheological clutch and magnetic rheological brake etc..
Magnetic rheological liquid damper is a kind of using magnetorheological fluid as the vibration-reducing and damping device of working media, is existed using magnetorheological fluid The damping force that the dynamic yield stress and extrusion effect generated under magnetic fields generates, it is a kind of semi-automatic control device, is led to The size of current for overregulating magnet exciting coil can be controlled according to the rheological behavior of Maxwell's electromagnetic induction principle and magnetorheological fluid The size of its dynamic yield stress is made, realizes the control to damping force, and electric current is bigger, the damping force that magnetorheological fluid generates is got over Greatly.Magnetic rheological liquid damper has the advantages that small, fast response time, damping force is controllable compared to other hydraulic dampers, It is increasingly used in the fields such as bridge, automobile, space flight and aviation.
Currently, restrict the widely applied most important reason of MR damper be exactly its power supply instability, cause its MR damper normal work is seriously affected under dead electricity situation even results in work actual effect;Therefore it needs to MR damper It is equipped with stable power supply system.For the deficiency of magnetorheological fluid magnetic rheological liquid damper power supply instability, domestic and international researcher is confused It is confused to propose self-contained electric system, there are electrostatic, piezoelectric type and electromagnetic type etc., " a kind of magnetic as disclosed in CN201711011483.5 " a kind of recyclable energy disclosed in the self-powered method of rheology fluid damper self-induction and damper ", CN201710845462.7 " there is one kind dead electricity to increase disclosed in sensing magnetic rheological liquid damper and its control method certainly of amount ", CN201711116987.3 Hinder the magnetic rheological liquid damper of function ", " a kind of piston and self-adaptive damping are adjusted forever disclosed in CN201710757943.2 Disclosed in magnetic-type magnetic rheological liquid damper ", CN201710564210.7 " a kind of ultrasonic field and magnetic coupling effect it is rotary-type Drum type brake magnetic rheological liquid damper ", etc..But said program all only compensates dead electricity from one side so that entire magnetic current The stability of variable damping device is still poor, and cannot effectively reduce dead electricity influences caused by entire damper.
Invention content
For deficiencies of the prior art, it is an object of the invention to solve in dead electricity, to magnetorheological The compensation of damper is insufficient so that the poor work stability of MR damper, the low problem of reliability provide a kind of energy recycling Thermal energy and the raw electric MR damper of chemistry under power failure state, can be under dead electricity situation by chemically reacting life electrically and thermally The two ways power supply that raw electricity can be recycled, to effectively be compensated to dead electricity;And it devises between taper serration magnetorheological fluid Gap effectively enhances the damping effect of magnetorheological fluid, substantially increases the stability and reliability of entire MR damper.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is such:It is a kind of can recycle thermal energy and The MR damper of the raw electricity of chemistry under power failure state, it is characterised in that:Including outer cylinder and respectively with outer cylinder left and right ends The inwardly projecting formation protrusion in inside of the left end cap and right end cap being fixedly connected, the left end cap and right end cap, and it is described convex The inner wall of the side wall and outer cylinder that go out portion is close together;An annular groove around it is equipped on the side wall of protrusion, The outside of annular groove is evenly distributed with the arc-shaped baffle of several piece around it, and the baffle is sequentially connected and seals annular groove It closes, forms chemical reaction chamber;One group of electrode bar is equipped on each baffle:Positive electrode stick and negative electrode stick, the electrode bar Power supply output end be fixedly connected with baffle, the other end stretches into annular groove;
Left piston and right piston are equipped in outer cylinder, the left piston and right piston are slidably connected with outer cylinder, and Electrolyte accommodating chamber is formed between left end cap and right end cap respectively, electrolyte is filled in the solution liquid accommodating chamber;In annular Slot is equipped with several through-holes, the first hydraulic control is equipped in each through-hole around it on the side wall of electrolyte accommodating chamber side Check valve makes electrolyte be only capable of flowing to annular groove from electrolyte accommodating chamber;Between left piston and left end cap and right piston and A resetting spring is respectively equipped between right end cap, the both ends of the resetting spring are connected with adjacent end cap and piston respectively;
A middle brace rod, the axial line of the middle brace rod and the axle center of outer cylinder are equipped between left piston and right piston Line overlaps, and both ends are fixedly connected with left piston and right piston respectively;An inner cylinder is arranged in the middle part of middle brace rod, Inner cylinder is equipped with heat insulation loop with middle brace rod;Left fixed cover is equipped between inner cylinder and left piston, in inner cylinder and right work Right fixed cover is equipped between plug;Wherein, weld together with outer cylinder on the outside of the left fixed cover, it is close in the inside of outer cylinder The partial enlargement of right end makes the position of corresponding right end cap on the inside of outer cylinder form a positioning step, and the right fixed cover passes through connection Bolt is connected with the positioning step, and a linear bearing is equipped between left fixed cover and right fixed cover and middle brace rod, is made The fixed intermediate cavity of a volume is formed between left fixed cover and right fixed cover;It is equipped with an extension bar, institute on the right side of right piston The axial line for stating extension bar is overlapped with the axial line of middle brace rod, and one end is fixedly connected with right piston, and the other end passes through the right side End cap also is provided with linear bearing between outer boom and right end cap;
It is equipped with coil slot around it in the outside of inner cylinder, magnet exciting coil is equipped in the coil slot;Outside online ring recess Side is equipped with a sealing ring, which is fixedly connected with inner cylinder, and magnet exciting coil is enclosed in coil slot;The sealing ring Section outside in the low wedge structure in intermediate high both ends, and several rings around it are equipped on the lateral wall of sealing ring Slot, it is in tooth form to make the outside of the section of sealing ring;Magnetic is filled in gap between inner cylinder and sealing ring and intermediate cavity Rheology liquid;
It is equipped with external power supply connector in the one end in the outside of outer cylinder, the both ends of the magnet exciting coil pass through conducting wire and the external electricity Source connector is connected;Meanwhile one end of magnet exciting coil is connected with the terminals of all positive electrode sticks simultaneously by conducting wire, the other end is logical It crosses conducting wire while being connected with the terminals of all negative electrode sticks.
In the present solution, chemical reaction chamber is arranged in the protrusion of left end cap and right end cap, in the chemical reaction chamber Equipped with electrode bar, and electrolyte accommodating chamber is set inside outer cylinder;In this way, after external power supply powers off, magnet exciting coil is produced Raw magnetic field disappears, and magnetorheological fluid is made to be restored to liquid;At this moment, external component(The component being connected with outer boom)It is generated to shake It is dynamic to be transmitted to right piston by outer boom, make axial vibration of the right piston along outer cylinder, while driving by middle brace rod Drive inner cylinder and left piston along the axial vibration of outer cylinder;In left piston and right piston vibration processes, hydraulic compression will be electrolysed In chemical reaction chamber on to left end cap and right end cap, to make electrode bar and electrolyte contacts, battery is formed, and put Electricity to make magnet exciting coil be once again powered up and generate magnetic field, and then makes magnetorheological fluid cure generation damping again, organizes inner cylinder Body, middle brace rod, left piston, right piston and overhanging vibration of bar.Until the chemical reaction indoor electrolyte of chamber runs out of Afterwards, outer boom can drive right piston, middle brace rod, inner cylinder and left piston vibration again, to recycle the above process so that Damper can fast and effeciently compensate dead electricity after external power cut-off, and to continue to generate damping, reduction is shaken It is dynamic, substantially increase the using effect of damper.It by the above process, being capable of realization automatically under external voltage outage condition The raw electricity of reaction, and fast response time are learned, is influenced caused by dead electricity to effectively reduce.Simultaneously as the outside of sealing ring It is wedge shaped, and several annular grooves are equipped with, make to form taper serration magnetorheological fluid gap between sealing ring and intermediate cavity so that Magnetorheological fluid in gap generates shearing work pattern and squeezes the damping effect of operating mode, not only effectively enhances magnetic current in this way Become the damping effect of liquid, and substantially increases the stability and reliability of entire MR damper.
Further, the side opposite in left fixed cover and right fixed cover is equipped with a storage tank around it respectively;Holding Set in slot and to be equipped with several thermoelectric converters around it, wherein the positive terminal of all thermoelectric converters with positive electrode stick Terminals it is in parallel, the negative terminals of all thermoelectric converters are in parallel with the terminals of negative electrode stick.
In the present solution, by the way that thermoelectric converter is arranged in the opposite side of left fixed cover and right fixed cover, so as to right The heat that magnet exciting coil generates in the course of work is recycled, and conversion forms electric energy and feeds back on magnet exciting coil again, and such one Aspect reduces temperature when magnetorheological fluid work, the working performance of magnetorheological fluid is improved, on the other hand by the thermal energy of loss It recycles, and converts in order to which electric energy is used for magnet exciting coil, can not only effectively reduce energy consumption, and can be in external power supply After power-off, the working time of damper is greatly prolonged, meanwhile, energy conservation and environmental protection.
Further, several heat conductive rods, one end and the left side of the heat conductive rod are equipped between left fixed cover and right fixed cover Fixed cover is fixedly connected, and the other end is fixedly connected after running through inner cylinder with right fixed cover;It can be by magnet exciting coil by heat conductive rod The heat of generation is fast and effeciently transmitted in left fixed cover and right fixed cover, is imitated to improve the transmission speed of thermal energy and transmit Rate greatly improves the recovery utilization rate of thermal energy.
Further, on the baffle of ring slot outside, the position of counter electrode stick is equipped with first around annular groove one week Metallic channel;The terminals of the electrode bar are respectively positioned in first metallic channel, and described have the terminals of positive electrode stick by one Conducting wire is connected together, and the terminals of negative electrode stick are connected together by another conducting wire;Outer cylinder inner wall along its axial direction Equipped with one second metallic channel, the both ends of second metallic channel extend respectively to the first metallic channel corresponding position, in the second conducting wire Two conducting wires also are provided in slot;Two conducting wires in two first metallic channels are corresponded to by two conducting wires in the second metallic channel respectively It is connected, the external power supply connector is also corresponding with two conducting wires in the second metallic channel to be connected;The middle part of the middle brace rod The axis hole for running through its both ends with one, the position that magnet exciting coil both ends are corresponded in inner cylinder offer a wire guide respectively, this is led String holes is connected after sequentially passing through inner cylinder, heat insulation loop and middle brace rod with axis hole, the middle brace rod on the outside of left end cap It is equipped with a cable-through hole, which is also connected with axis hole;The both ends of magnet exciting coil are connected with a conducting wire respectively, two conducting wires according to It is secondary corresponding with two conducting wires in the second metallic channel connected after wire guide, axis hole and cable-through hole.In this way, being both convenient for excitation wire Enclose both ends for electrical connection, and harness damage will not be caused because of vibration, to greatly improve the stability of magnet exciting coil power supply And reliability, and then improve the stability and reliability of entire damper.
Further, in the side that left fixed cover and right fixed cover are away from each other, the positive terminal of corresponding thermoelectric converter It is equipped with privates slot with the position of negative terminals, the positive terminal and negative terminals of thermoelectric converter are located at the third In metallic channel, and the positive terminal of all thermoelectric converters is connected by a conducting wire, and negative terminals pass through another conducting wire phase Even;In left fixed cover and right fixed cover, the position of corresponding second metallic channel is equipped with privates slot, and the privates slot will Second metallic channel is connected with privates slot;Two conducting wires in privates slot pass through the conducting wire of privates slot and respectively Conducting wire in two metallic channels, which corresponds to, to be connected.Being connected for electricity output for thermoelectric converter can be made more convenient in this way, and it is defeated to power It is more preferable to go out stability.
Further, it is arranged with an electrolyte in the outer middle side part of outer cylinder and houses cylinder, the electrolyte houses the two of cylinder End extends respectively to the end face corresponding position of the protrusion of left end cap and right end cap;Corresponding two electrolyte accommodate on outer cylinder Chamber is equipped with several inlet openings around it respectively, and electrolyte accommodating chamber houses cylinder with electrolyte by the inlet opening and is connected, and The inlet opening houses cylinder in electrolyte and is also filled with electrolyte respectively close to the end face of left end cap and the protrusion of right end cap. Cylinder is housed by the way that electrolyte is arranged on the outside of outer cylinder, in this way, the electrolyte in electrolyte accommodating chamber enters chemical reaction chamber Afterwards, the electrolyte in electrolyte accommodating chamber can be supplemented rapidly, after greatly prolonging external power supply power-off, damper Operating time.
Further, it is arranged with a waste liquid respectively at the outside both ends of outer cylinder and houses cylinder, the waste liquid houses cylinder and changes It learns reaction chamber to shift to install, in the corresponding position of outer cylinder and baffle, portal around one week waste liquid of outer cylinder equipped with several, change It learns reaction chamber and is portalled by the waste liquid and house cylinder with waste liquid and be connected;It is equipped with the second fluid-control one-way within each waste liquid portals Valve makes waste liquid be only capable of chemically reaction chamber and flows to the accommodating cylinder of waste liquid.In this way, after the indoor electrolyte consumption of chemical reaction chamber, Under the extruding of the electrolyte newly entered, the waste liquid formed after consumption can portal through waste liquid(The second interior hydraulic control one-way valve)Discharge It is housed in cylinder to waste liquid, to be recycled to waste liquid;And the electrode bar for enabling chemical reaction indoor carries out cycle electric discharge.
Further, in middle brace rod at left end around it be equipped with bulge loop, the left end of the inner cylinder with should Bulge loop is close to;A baffle ring is equipped on the middle brace rod on the right side of inner cylinder, and the baffle ring is close to the right end of inner cylinder.Pass through The cooperation of bulge loop and baffle ring makes the axial restraint that inner cylinder is formed with intermediate connection tube, to ensure that inner cylinder can connect with centre Damping output is effectively ensured in extension bar synchronizing moving.
Further, on the side wall of left end cap and the protrusion of right end cap, the position of corresponding baffle is installed equipped with baffle Slot, the baffle are located in the baffle mounting groove, and outside is close to outer cylinder inner wall.To make total assembly more step up It is close, more rationally.
Further, in the end face of left end cap and the protrusion of right end cap, the position of corresponding resetting spring is equipped with a spring Slot, the resetting spring are located at by one end of proximal cover in the spring groove;It is more convenient for the fixed and positioned of resetting spring, makes in this way The damping effect that resetting spring generates is more preferable.
Compared with prior art, the invention has the advantages that:It can be crossed under dead electricity situation and chemically react life electrically and thermally The two ways power supply that raw electricity can be recycled, to effectively be compensated to dead electricity;And it devises between taper serration magnetorheological fluid Gap effectively enhances the damping effect of magnetorheological fluid, substantially increases the stability and reliability of entire MR damper.
Description of the drawings
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention.
In figure:1-outer cylinder, 2-left end caps, 3-right end caps, 4-annular grooves, 5-baffles, 6-electrode bars, 7-is left Piston, 8-right pistons, 9-electrolyte, the 10-the first hydraulic control one-way valve, 11-resetting springs, 12-middle brace rods, 13- Inner cylinder, 14-heat insulation loops, 15-left fixed covers, 16-right fixed covers, 17-linear bearings, 18-extension bars, 19-excitations Coil, 20-sealing rings, 21-magnetorheological fluids, 22-external power supply connectors, 23-thermoelectric converters, 24-heat conductive rods, 25- Electrolyte houses cylinder, and 26-waste liquids house cylinder, the 27-the second hydraulic control one-way valve, 28-bulge loops, 29-baffle rings.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment:It is a kind of to recycle thermal energy and the raw electric MR damper of chemistry under power failure state, packet referring to Fig. 1 Include outer cylinder 1 and the left end cap 2 being fixedly connected respectively with 1 left and right ends of outer cylinder and right end cap 3, the left end cap 2 and right end The inwardly projecting formation protrusion in inside of lid 3, and the side wall of the protrusion and the inner wall of outer cylinder 1 are close together.Convex The side wall for going out portion is equipped with an annular groove 4 around it, and it is in arc to be evenly distributed with several piece around it in the outside of annular groove 4 The baffle 5 of shape, and the baffle 5 is sequentially connected and closes annular groove 4, forms chemical reaction chamber.It is all provided on each baffle 5 There is one group of electrode bar 6:The power supply output end of positive electrode stick and negative electrode stick, the electrode bar 6 is fixedly connected with baffle 5, another End is stretched into annular groove 4.When it is implemented, the baffle 5 is 4 pieces, in this way, 4 groups of electrode bars are distributed in chemical reaction interior 6, so as to greatly improve discharging efficiency.On the side wall of left end cap 2 and the protrusion of right end cap 3, the position of corresponding baffle 5 is set There are 5 mounting groove of baffle, the baffle 5 to be located in 5 mounting groove of baffle, outside is close to 1 inner wall of outer cylinder;It is entire to make Standard is even closer, more rationally.
Left piston 7 and right piston 8 are equipped in outer cylinder 1, the left piston 7 and right piston 8 are matched with the sliding of outer cylinder 1 Connection is closed, and forms electrolyte accommodating chamber between left end cap 2 and right end cap 3 respectively, filled with electricity in the solution liquid accommodating chamber Solve liquid 9;Wherein, a sealing ring is respectively equipped between left piston 7 and right piston 8 and 1 inner wall of outer cylinder, it is close to effectively improve Seal effect.In annular groove 4 on the side wall of electrolyte accommodating chamber side, it is equipped with several through-holes around it, in each through-hole It is equipped with the first hydraulic control one-way valve 10, electrolyte 9 is made to be only capable of flowing to annular groove 4 from electrolyte accommodating chamber.In left piston 7 and left end Be respectively equipped with a resetting spring 11 between lid 2 and between right piston 8 and right end cap 3, the both ends of the resetting spring 11 respectively with Adjacent end cap is connected with piston;In this way, after external power cut-off, preliminary damping can be carried out by the resetting spring 11, It avoids causing the collision between piston and end cap because of vibration simultaneously, effectively prevent the damage of damper.When assembly, in left end cap 2 and right end cap 3 protrusion end face, the position of corresponding resetting spring 11 is equipped with a spring groove, and the resetting spring 11 is close One end of end cap is located in the spring groove;It is more convenient in this way the fixed and positioned of resetting spring 11, resetting spring 11 is made to generate Damping effect is more preferable.
When it is implemented, the outer middle side part in outer cylinder 1 is arranged with the accommodating cylinder 25 of an electrolyte, the electrolyte houses cylinder 25 both ends extend respectively to the end face corresponding position of the protrusion of left end cap 2 and right end cap 3.Corresponding two on outer cylinder 1 Electrolyte accommodating chamber is equipped with several inlet openings around it respectively, and electrolyte accommodating chamber houses cylinder by the inlet opening and electrolyte 25 are connected, and the inlet opening houses cylinder 25 respectively close to the end face of left end cap 2 and the protrusion of right end cap 3 in electrolyte It is also filled with electrolyte 9.During practical set, it is equipped with feed liquor check valve in the inlet opening, passes through the feed liquor check valve Electrolyte 9 can be made to be only capable of housing cylinder 25 from electrolyte and flow to electrolyte accommodating chamber, to avoid being caused in piston sliding process Electric current liquid flows back into the case where electrolyte houses cylinder 25.By housing cylinder 25 in 1 outside setting electrolyte of outer cylinder, in this way, working as After electrolyte 9 in electrolyte accommodating chamber enters chemical reaction chamber, the electrolyte 9 in electrolyte accommodating chamber can be carried out rapidly Supplement, after greatly prolonging external power supply power-off, the operating time of damper.To make the indoor electrode bar of chemical reaction chamber 6 Electric discharge can be recycled, being arranged with a waste liquid respectively at the outside both ends of outer cylinder 1 houses cylinder 26, and the waste liquid houses cylinder 26 and changes It learns reaction chamber to shift to install, in the corresponding position of outer cylinder 1 and baffle 5, go out around 1 one weeks waste liquids of outer cylinder equipped with several Hole, chemical reaction chamber is portalled by the waste liquid to be housed cylinder 26 with waste liquid and is connected;It is equipped with the second liquid within each waste liquid portals Check valve 27 is controlled, waste liquid is made to be only capable of chemically reaction chamber and flow to waste liquid housing cylinder 26.In this way, the chemical reaction indoor electrolysis of chamber After liquid 9 consumes, under the extruding of the electrolyte 9 newly entered, the waste liquid formed after consumption can portal through waste liquid(The second interior hydraulic control Check valve 27)It is discharged to waste liquid to house in cylinder 26, to recycle waste liquid;And the electrode bar 6 for making chemical reaction indoor It can carry out cycle electric discharge.
Be equipped with a middle brace rod 12 between left piston 7 and right piston 8, the axial line of the middle brace rod 12 with it is outer The axial line of cylinder barrel 1 overlaps, and both ends are fixedly connected with left piston 7 and right piston 8 respectively.It is covered at the middle part of middle brace rod 12 Equipped with an inner cylinder 13, heat insulation loop 14 is equipped in inner cylinder 13 and middle brace rod 12.Wherein, in middle brace rod 12 close to left Bulge loop 28, the inner cylinder 13 are equipped at end around it(With heat insulation loop 14)Left end be close to the bulge loop 28;In inner cylinder The middle brace rod 12 on 13 right sides is equipped with a baffle ring 29, and the baffle ring 29 and inner cylinder 13(With heat insulation loop 14)Right end it is tight Patch.Make the axial restraint that inner cylinder 13 is formed with intermediate connection tube by the cooperation of bulge loop 28 and baffle ring 29, to ensure inner cylinder Damping output can be effectively ensured with 12 synchronizing moving of middle brace rod in body 13.
It is equipped with left fixed cover 15 between inner cylinder 13 and left piston 7, is equipped between inner cylinder 13 and right piston 8 right solid Determine lid 16;Wherein, 15 outside of the left fixed cover welds together with outer cylinder 1, in the inside of outer cylinder 1 close to the portion of right end The position for expanding and 1 inside of outer cylinder being made to correspond to right end cap 3 is divided to form a positioning step, the right fixed cover 16 passes through connection bolt It is connected with the positioning step.A linear bearing is equipped between left fixed cover 15 and right fixed cover 16 and middle brace rod 12 17, make to form the fixed intermediate cavity of a volume between left fixed cover 15 and right fixed cover 16, wherein in linear bearing 17 in Between also be provided with sealing ring between connecting rod 12.It is equipped with an extension bar 18, the axial line of the extension bar 18 on the right side of right piston 8 It is overlapped with the axial line of middle brace rod 12, one end is fixedly connected with right piston 8, and the other end passes through right end cap 3, in outer boom Linear bearing 17 also is provided between right end cap 3.
It is equipped with coil slot around it in the outside of inner cylinder 13, magnet exciting coil 19 is equipped in the coil slot.Online The outside of ring recess is equipped with a sealing ring 20, which is fixedly connected with inner cylinder 13, and magnet exciting coil 19 is closed online In ring recess.The outside of the section of the sealing ring 20 is in the low wedge structure in intermediate high both ends, and in the lateral wall of sealing ring 20 Several annular grooves around it are equipped with, it is in tooth form to make the outside of the section of sealing ring 20.Inner cylinder 13 and sealing ring 20 with Magnetorheological fluid 21 is filled in gap between intermediate cavity.The structure design of sealing ring 20 makes sealing ring 20 and intermediate cavity Between form 21 gap of taper serration magnetorheological fluid so that the magnetorheological fluid 21 in gap generates shearing work pattern and squeezes work The damping effect of operation mode, not only effectively enhances the damping effect of magnetorheological fluid 21 in this way, and substantially increases entire magnetic The stability and reliability of rheological damper.
In the opposite side of left fixed cover 15 and right fixed cover 16, it is equipped with a storage tank around it respectively;In storage tank Inside around it be equipped with several thermoelectric converters 23, wherein the positive terminal of all thermoelectric converters 23 with positive electrode stick Terminals it is in parallel, the negative terminals of all thermoelectric converters 23 are in parallel with the terminals of negative electrode stick.By solid on a left side Determine lid 15 and right fixed cover 16 it is opposite side setting thermoelectric converter 23, so as to magnet exciting coil in the course of work 19 produce Raw heat is recycled, and conversion forms electric energy and feeds back to again on magnet exciting coil 19, on the one hand reduces magnetorheological fluid in this way Temperature when 21 work, improves the working performance of magnetorheological fluid 21, on the other hand by the heat energy recycle of loss, and converts In order to which electric energy is used for magnet exciting coil 19, energy consumption can not only be effectively reduced, and can significantly prolong after external power cut-off The working time of long damper, meanwhile, energy conservation and environmental protection.For it is more preferable, quickly transmit heat, in left fixed cover 15 and right fixed cover Several heat conductive rods 24 are equipped between 16, one end of the heat conductive rod 24 is fixedly connected with left fixed cover 15, and the other end runs through inner cylinder It is fixedly connected with right fixed cover 16 after body 13;The heat that magnet exciting coil 19 generates can fast and effeciently be passed by heat conductive rod 24 It is delivered in left fixed cover 15 and right fixed cover 16, to improve the transmission speed and transmission efficiency of thermal energy, greatly improves thermal energy Recovery utilization rate.
It is equipped with external power supply connector 22 in the one end in the outside of outer cylinder 1, the both ends of the magnet exciting coil 19 pass through conducting wire It is connected with the external power supply connector 22;Meanwhile one end of magnet exciting coil 19 wiring with all positive electrode sticks simultaneously by conducting wire End is connected, and the other end is connected with the terminals of all negative electrode sticks simultaneously by conducting wire.In specific implementation process, in annular groove 4 On the baffle 5 in outside, the position of counter electrode stick 6 is equipped with around 4 one weeks the first metallic channels of annular groove;The electrode bar 6 connects Line end is respectively positioned in first metallic channel, and the terminals for having positive electrode stick are connected together by a conducting wire, negative electrode The terminals of stick are connected together by another conducting wire.It is axially arranged with one second metallic channel along it in the inner wall of outer cylinder 1(Or Hole), the both ends of second metallic channel extend respectively to the first metallic channel corresponding position, two also are provided in the second metallic channel Conducting wire;Two conducting wires in two first metallic channels are corresponded to by two conducting wires in the second metallic channel respectively to be connected, described external Power connection 22 is also corresponding with two conducting wires in the second metallic channel to be connected.The middle part of the middle brace rod 12 has one to run through The axis hole at its both ends, the position that magnet exciting coil 19 both ends are corresponded in inner cylinder 13 offer a wire guide respectively, the wire guide according to It is secondary to be connected with axis hole after inner cylinder 13, heat insulation loop 14 and middle brace rod 12, the middle brace rod in 2 outside of left end cap 12 are equipped with a cable-through hole, which is also connected with axis hole.The both ends of magnet exciting coil 19 are connected with a conducting wire respectively, and two lead Line sequentially pass through it is corresponding with two conducting wires in the second metallic channel after wire guide, axis hole and cable-through hole be connected, when practical set, need Ensure two conducting wire long enoughs being connected with magnet exciting coil 19, to avoid causing conducting wire in the moving process of middle brace rod 12 Damage or fracture.In this way, not only convenient for 19 both ends of magnet exciting coil for electrical connection, but also harness damage will not be caused because of vibration, from And the stability and reliability of the power supply of magnet exciting coil 19 are greatly improved, and then improve the stability and reliability of entire damper. In the side that left fixed cover 15 and right fixed cover 16 are away from each other, the positive terminal and negative terminals of corresponding thermoelectric converter 23 Position be equipped with privates slot, the positive terminal and negative terminals of thermoelectric converter 23 be located in the privates slot, And the positive terminal of all thermoelectric converters 23 is connected by a conducting wire, negative terminals are connected by another conducting wire.On a left side In fixed cover 15 and right fixed cover 16, the position of corresponding second metallic channel is equipped with privates slot, and the privates slot is by the Two metallic channels are connected with privates slot;Two conducting wires in privates slot pass through the conducting wire of privates slot and second respectively Conducting wire in metallic channel, which corresponds to, to be connected.Being connected for electricity output for thermoelectric converter 23 can be made more convenient in this way, and it is defeated to power It is more preferable to go out stability.
During practical set, for ease of processing and assembling, the outer cylinder 1 is radially divided into two parts, then Two parts are fixedly connected again, in such manner, it is possible to which more easily internal structure and conducting wire are arranged and are assembled.
In the present invention, chemical reaction chamber is set in the protrusion of left end cap 2 and right end cap 3, in the chemical reaction chamber It is interior to be equipped with electrode bar 6, and electrolyte accommodating chamber is set inside outer cylinder 1;In this way, after external power supply powers off, magnet exciting coil Magnetic field caused by 19 disappears, and magnetorheological fluid 21 is made to be restored to liquid;At this moment, external component(The component being connected with outer boom)Institute The vibration of generation can be transmitted to right piston 8 by outer boom, make right piston 8 along the axial vibration of outer cylinder 1, while passing through centre Connecting rod 12 drives inner cylinder 13 and left piston 7 along the axial vibration of outer cylinder 1;It is vibrated in left piston 7 and right piston 8 Electrolyte 9 is compressed in the chemical reaction chamber on left end cap 2 and right end cap 3 by Cheng Zhong, to make electrode bar 6 and electrolyte 9 Contact forms battery, and discharges, and to make magnet exciting coil 19 be once again powered up and generate magnetic field, and then makes magnetorheological fluid 21 Solidification generates damping, tissue inner cylinder 13, middle brace rod 12, left piston 7, right piston 8 and overhanging vibration of bar again.Directly After being run out of to the indoor electrolyte of chemical reaction chamber 9, outer boom can drive right piston 8, middle brace rod 12, inner cylinder again 13 and left piston 7 vibrate, to recycle the above process so that damper, can be fast and effeciently right after external power cut-off Dead electricity compensates, and to continue to generate damping, reduces vibration, substantially increases the using effect of damper.Pass through above-mentioned mistake Journey can realize the raw electricity of chemical reaction, and fast response time automatically under external voltage outage condition, to effectively reduce because Influence caused by dead electricity.
In the course of work, in the case where external power supply is connected, when outer boom drives 13 excited vibration of inner cylinder, magnetic current Become liquid 21 under magnetic fields to cure, 13 both ends of inner cylinder generate extruding to magnetorheological fluid in intermediate cavity 21, at the same time, tiltedly The power that sawtooth V-shaped ring 20 generates the magnetorheological fluid 21 of side can be analyzed to axial shearing and radial extruding, generate Damping force determined by 19 size of current of magnet exciting coil, realize MR damper semi- active control.In addition, inner cylinder 13 with it is outer Relative motion between cylinder barrel 1 leads to the slippage of 21 inside of magnetorheological fluid and the generation of two adhesive surfaces in sideshake, Yi Jili The power loss of magnetic coil 19 causes to generate amount of heat inside intermediate cavity, and since 21 heat conductivility of magnetorheological fluid is poor, makes Obtaining heat can not dissipate in time, and high temperature seriously affects the working performance of magnetorheological fluid 21;It therefore will by thermoelectric converter 23 The thermal energy of loss is converted into electric energy, to carry out energy regenerating recycling, and improves the stability of magnetorheological fluid 21.
When external power supply powers off, the moment under zero magnetic field of magnetorheological fluid 21 is converted to Newtonian fluid behavior, causes to damp Power rapid drawdown even disappears so that the connected left and right piston 8 of intermediate bar generates violent oscillatory motion, when middle brace rod 12 is moved to the left When, left piston 7 compresses electrolyte 9, and when pressure reaches a timing, the first hydraulic control one-way valve 10 is opened, and electrolyte 9 flows to chemical anti- It answers chamber to occur to chemically react and put with electrode bar 6, then delivers the power to magnet exciting coil 19 and restore damper work;Together Reason, when middle brace rod 12 moves right, right end, which produces electricl energy, also to be used for magnet exciting coil 19.When magnet exciting coil 19 restores work When making, magnetorheological fluid 21 regenerates damping force so that the Oscillation Amplitude of intermediate bar reduces and left and right piston 8 is to electrolyte 9 Pressure reduce, when pressure is less than certain value, the first hydraulic control one-way valve 10 is closed, and is chemically reacted raw electricity and is stopped.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting Case, it will be understood by those of ordinary skill in the art that, those are modified or replaced equivalently technical scheme of the present invention, and The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.

Claims (10)

1. a kind of can recycle thermal energy and the raw electric MR damper of chemistry under power failure state, it is characterised in that:Including outer shell The inside of cylinder and the left end cap and right end cap being fixedly connected respectively with outer cylinder left and right ends, the left end cap and right end cap is inside Protrusion forms protrusion, and the side wall of the protrusion and the inner wall of outer cylinder are close together;It is set on the side wall of protrusion There is an annular groove around it, is evenly distributed with the arc-shaped baffle of several piece around it in the outside of annular groove, and described Baffle is sequentially connected and closes annular groove, forms chemical reaction chamber;One group of electrode bar is equipped on each baffle:Positive electrode The power supply output end of stick and negative electrode stick, the electrode bar is fixedly connected with baffle, and the other end stretches into annular groove;
Left piston and right piston are equipped in outer cylinder, the left piston and right piston are slidably connected with outer cylinder, and Electrolyte accommodating chamber is formed between left end cap and right end cap respectively, electrolyte is filled in the solution liquid accommodating chamber;In annular Slot is equipped with several through-holes, the first hydraulic control is equipped in each through-hole around it on the side wall of electrolyte accommodating chamber side Check valve makes electrolyte be only capable of flowing to annular groove from electrolyte accommodating chamber;Between left piston and left end cap and right piston and A resetting spring is respectively equipped between right end cap, the both ends of the resetting spring are connected with adjacent end cap and piston respectively;
A middle brace rod, the axial line of the middle brace rod and the axle center of outer cylinder are equipped between left piston and right piston Line overlaps, and both ends are fixedly connected with left piston and right piston respectively;An inner cylinder is arranged in the middle part of middle brace rod, Inner cylinder is equipped with heat insulation loop with middle brace rod;Left fixed cover is equipped between inner cylinder and left piston, in inner cylinder and right work Right fixed cover is equipped between plug;Wherein, weld together with outer cylinder on the outside of the left fixed cover, it is close in the inside of outer cylinder The partial enlargement of right end makes the position of corresponding right end cap on the inside of outer cylinder form a positioning step, and the right fixed cover passes through connection Bolt is connected with the positioning step, and a linear bearing is equipped between left fixed cover and right fixed cover and middle brace rod, is made The fixed intermediate cavity of a volume is formed between left fixed cover and right fixed cover;It is equipped with an extension bar, institute on the right side of right piston The axial line for stating extension bar is overlapped with the axial line of middle brace rod, and one end is fixedly connected with right piston, and the other end passes through the right side End cap also is provided with linear bearing between outer boom and right end cap;
It is equipped with coil slot around it in the outside of inner cylinder, magnet exciting coil is equipped in the coil slot;Outside online ring recess Side is equipped with a sealing ring, which is fixedly connected with inner cylinder, and magnet exciting coil is enclosed in coil slot;The sealing ring Section outside in the low wedge structure in intermediate high both ends, and several rings around it are equipped on the lateral wall of sealing ring Slot, it is in tooth form to make the outside of the section of sealing ring;Magnetic is filled in gap between inner cylinder and sealing ring and intermediate cavity Rheology liquid;
It is equipped with external power supply connector in the one end in the outside of outer cylinder, the both ends of the magnet exciting coil pass through conducting wire and the external electricity Source connector is connected;Meanwhile one end of magnet exciting coil is connected with the terminals of all positive electrode sticks simultaneously by conducting wire, the other end is logical It crosses conducting wire while being connected with the terminals of all negative electrode sticks.
2. it is according to claim 1 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:In the opposite side of left fixed cover and right fixed cover, it is equipped with a storage tank around it respectively;In storage tank It is equipped with several thermoelectric converters around it, wherein wiring of the positive terminal of all thermoelectric converters with positive electrode stick End is in parallel, and the negative terminals of all thermoelectric converters are in parallel with the terminals of negative electrode stick.
3. it is according to claim 2 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:Several heat conductive rods, one end of the heat conductive rod and left fixed cover are equipped between left fixed cover and right fixed cover It is fixedly connected, the other end is fixedly connected after running through inner cylinder with right fixed cover.
4. it is according to claim 2 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:On the baffle of ring slot outside, the position of counter electrode stick is equipped with around one week the first metallic channel of annular groove; The terminals of the electrode bar are respectively positioned in first metallic channel, and the terminals for having positive electrode stick are connected by a conducting wire Together, the terminals of negative electrode stick are connected together by another conducting wire;It is axially arranged with one along it in the inner wall of outer cylinder The both ends of two metallic channels, second metallic channel extend respectively to the first metallic channel corresponding position, are also set in the second metallic channel There are two conducting wires;Two conducting wires in two first metallic channels are corresponded to by two conducting wires in the second metallic channel respectively to be connected, institute It is also corresponding with two conducting wires in the second metallic channel connected to state external power supply connector;The middle part of the middle brace rod has consistent The axis hole for wearing its both ends, the position that magnet exciting coil both ends are corresponded in inner cylinder offer a wire guide respectively, and the wire guide is successively It is connected with axis hole after inner cylinder, heat insulation loop and middle brace rod, one is equipped on the middle brace rod on the outside of left end cap Cable-through hole, the cable-through hole are also connected with axis hole;The both ends of magnet exciting coil are connected with a conducting wire respectively, and two conducting wires, which sequentially pass through, leads It is corresponding with two conducting wires in the second metallic channel after string holes, axis hole and cable-through hole to be connected.
5. it is according to claim 4 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:In the side that left fixed cover and right fixed cover are away from each other, the positive terminal and cathode of corresponding thermoelectric converter The position of terminals is equipped with privates slot, and the positive terminal and negative terminals of thermoelectric converter are located at the privates slot It is interior, and the positive terminal of all thermoelectric converters is connected by a conducting wire, negative terminals are connected by another conducting wire;On a left side In fixed cover and right fixed cover, the position of corresponding second metallic channel is equipped with privates slot, and the privates slot is led second Wire casing is connected with privates slot;Two conducting wires in privates slot pass through the conducting wire of privates slot and the second conducting wire respectively Conducting wire in slot, which corresponds to, to be connected.
6. it is according to claim 1 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:It is arranged with an electrolyte in the outer middle side part of outer cylinder and houses cylinder, the electrolyte houses the both ends difference of cylinder Extend to the end face corresponding position of the protrusion of left end cap and right end cap;The corresponding two electrolyte accommodating chambers difference on outer cylinder Be equipped with several inlet openings around it, electrolyte accommodating chamber is connected by the accommodating cylinder of the inlet opening and electrolyte, and it is described into Fluid apertures houses cylinder in electrolyte and is also filled with electrolyte respectively close to the end face of left end cap and the protrusion of right end cap.
7. it is according to claim 1 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:It is arranged with a waste liquid respectively at the outside both ends of outer cylinder and houses cylinder, the waste liquid houses cylinder and chemical reaction Chamber shifts to install, and in the corresponding position of outer cylinder and baffle, portals around one week waste liquid of outer cylinder equipped with several, chemical reaction Chamber is portalled by the waste liquid to be housed cylinder with waste liquid and is connected;It is equipped with the second hydraulic control one-way valve within each waste liquid portals, makes to give up Liquid is only capable of chemically reaction chamber and flows to the accommodating cylinder of waste liquid.
8. it is according to claim 1 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:It is equipped with bulge loop around it at left end in middle brace rod, the left end of the inner cylinder and the bulge loop are tight Patch;A baffle ring is equipped on the middle brace rod on the right side of inner cylinder, and the baffle ring is close to the right end of inner cylinder.
9. it is according to claim 1 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:On the side wall of left end cap and the protrusion of right end cap, the position of corresponding baffle is equipped with baffle mounting groove, described Baffle is located in the baffle mounting groove, and outside is close to outer cylinder inner wall.
10. it is according to claim 1 it is a kind of can recycle thermal energy and under power failure state the raw electricity of chemistry MR damper, It is characterized in that:In the end face of left end cap and the protrusion of right end cap, the position of corresponding resetting spring is equipped with a spring groove, described Resetting spring is located at by one end of proximal cover in the spring groove.
CN201810812625.6A 2018-07-23 2018-07-23 Magnetorheological damper capable of recovering heat energy and generating electricity chemically in power-off state Expired - Fee Related CN108757816B (en)

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JP2005127386A (en) * 2003-10-22 2005-05-19 Honda Motor Co Ltd Rubber bush mount
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* Cited by examiner, † Cited by third party
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CN111075879A (en) * 2019-12-05 2020-04-28 中国科学院上海光学精密机械研究所 Constant-temperature magnetorheological damper based on flexible semiconductor temperature control technology

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