CN201650492U - Balanced-piston type thermoacoustic Stirling linear generator - Google Patents
Balanced-piston type thermoacoustic Stirling linear generator Download PDFInfo
- Publication number
- CN201650492U CN201650492U CN2010201299785U CN201020129978U CN201650492U CN 201650492 U CN201650492 U CN 201650492U CN 2010201299785 U CN2010201299785 U CN 2010201299785U CN 201020129978 U CN201020129978 U CN 201020129978U CN 201650492 U CN201650492 U CN 201650492U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- outer piston
- piston
- piston cylinder
- inner carrier
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a balanced-piston type thermoacoustic Stirling linear generator. A heated resonance cylinder body is fixedly connected with an external piston cylinder body by a bolt; the external piston cylinder body, a restrictor ring body, an internal piston cylinder body and an induction coil bracket are fixedly connected through the other bolt; a water cooling plant is welded around the center part of the external piston cylinder body; a circle of piston heat insulating cavity is arranged in a contact surface of the bottom of an external piston and the external piston cylinder body; the top of an internal piston is provided with a step depressed inwards, and the step is embedded with a seal reverse ring of the restrictor ring body; the internal piston is connected with one end of a connecting bar through a shaft; the other end of the connecting bar is fixed by sleeving with a connecting bar spring ring; the connecting bar spring ring is hooked with a plurality of connecting bar springs; the other ends of the connecting bar springs are hooked on the induction coil bracket; and the center part of the connecting bar is hollow, and a permanent magnet is placed in the center part. The utility model has the advantages that the size of the engine is reduced without changing the output power; and under the action of an external heat source, the engine can operate to drive the linear generator to generate power without needing starting power.
Description
Technical field
The utility model relates to a kind of Stirling linear electric generator, particularly a kind of hot acoustic Stirling linear electric generator of equalizing piston formula that thermal power transfer is become mechanical energy with thermoacoustic effect.
Background technique
So-called thermoacoustic effect, its principle is that air vibration forms sound, when sound takes place, soniferous air is divided into countless fritter air, use Newtonian mechanics and analyze the situation of air vibration, can obtain the wave equation of sound, this is equational separates demonstration: during sound transmission, each fritter air all can expand and shrink and displacement.After if the fritter air is compressed, be heated expansion again, surrounding atmosphere is made bigger positive work; This fritter air is cooled earlier again afterwards, is compressed again, makes less negative work (surrounding atmosphere is made less merit to this fritter air).Though this fritter air is not to piston or turbine work done, but, has in fact also finished working fluid heating back and expanded the surrounding atmosphere work done, the compressed hot machine circulation in cooling back, thermal power transfer is become the energy of acoustical vibration, increase the intensity of sound, this promptly so-called " thermoacoustic effect ".
Stirling engine is that the pastor Luo Bate Stirling (Robert Stirling) in London was invented in 1816, so called after " Stirling engine " (Stirling engine).Stirling engine is unique hot machine, because their theoretic efficient intrinsic peak efficiency no better than is called Carnot's cycle efficiency.Stirling engine produces power by when gases are heated, they expand, meet cold compression.This is a kind of external-burning engine, and fuel is burnt continuously, and the expanding gas of evaporation makes piston motion as power gas, and expanding gas cools off at cold air chamber, carries out such cyclic process repeatedly.
Every working fluid that utilizes moves in hot and cold interval, and the working fluid of carrying out compression expands through heating and makes positive work, and the hot machine circulation of negative work is done in the back cooling recompression earlier of expanding, and such mechanism all is classified as Stirling engine.Utilize thermoacoustic effect that thermal power transfer is become the device of mechanical energy, also just be called the thermoacoustic effect Stirling engine.
Existing hot acoustic Stirling motor mainly adopts flywheel to realize Carnot's cycle, the volume of motor is very huge, but output power is but not high, and need could realize the running of motor for motor provides an initial driving force, thereby drives generator for electricity generation.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of primosome volume little and output power is constant, and does not need ad hoc initial power equipment, as long as the hot acoustic Stirling linear electric generator of equalizing piston formula that the various existing thermals source of utilization just can turn round.
In order to solve above technical problem, the technical solution of the utility model is:
The hot acoustic Stirling linear electric generator of a kind of equalizing piston formula, be heated resonance cylinder body and outer piston cylinder body are affixed by bolt, and outer piston cylinder body, throttling ring body, inner carrier cylinder body and inductor coil support are affixed by another bolt.
Outer piston cylinder body middle part is used to reduce the temperature of outer piston cylinder body around welding one water cooling plant, and this water cooling plant is provided with a cooling water inlet and hot water outlet.Water cooling plant be copper pipe around the middle part that is welded on the outer piston cylinder body, described cooling water inlet is connected with an outer water pump, hot water outlet with the heat radiation bucket is connected, the heat radiation bucket water outlet be connected with water pump, formation water cycle.
Be provided with the outer piston spring between outer piston bottom and the outer piston cylinder body, under off working state, the outer piston spring is that full extension is opened, and does not have elastic force.Be provided with the heat insulation cavity of a circle piston in outer piston bottom and the outer piston cylinder body surface of contact, when the outer piston motion was in the outer piston cylinder base, the cold water of heat insulation cavity of piston and water cooling plant partially overlapped, and plays heat insulation effect.
Be provided with the inner carrier spring between inner carrier bottom and the inner carrier cylinder body, when off working state, the inner carrier spring is compressed, and has certain elastic force.The oriented step that caves in inner carrier top, the sealing of this step and throttling ring body encircles chimeric, plays the effect of isolated gas.
Inner carrier is connected with an end of a connecting rod by axle, the other end of this connecting rod and rod spring snare connect fixing, the a plurality of rod springs of rod spring circle hook joint, the other end of rod spring colludes on the inductor coil support, and the tension of a plurality of rod springs makes the circle central axis of connecting rod overlap with the circle central axis of inductor coil support; The intermediate portion of described connecting rod is a hollow, a built-in permanent magnet.
Described being heated is provided with sealed insulation layer between resonance cylinder body and the outer piston cylinder body, plays the effect of heat-insulating and sealing.The material of resonant cavity cylinder body of being heated is the 316L stainless steel, and the material of outer piston cylinder body is a carbon steel, and the material of sealed insulation layer is resistant to elevated temperatures ceramic fiber.
Respectively be provided with a plurality of O RunddichtringO layers between described outer piston cylinder body and throttling ring body, throttling ring body and the inner carrier cylinder body, isolated gas.
Described outer piston cylinder body is provided with oilhole, is used to the lubricant oil of annotating; Outer ring, outer piston top is provided with piston lubrication oil scrobicular ring, wherein is full of lubricant oil, plays effect lubricated and sealing.
Be provided with a plurality of resonant cavitys that are arranged in parallel in the described resonance cylinder body that is heated, the resonant cavity bottom contacts with outer piston.Each the interior resonant cavity of resonant cavity cylinder body that is heated can both become the resonant cavity of thermoacoustic effect, produces thermoacoustic effect after being heated to uniform temperature.The resonant cavity cylinder body that is heated can make the pressure in the resonant cavity fluctuate up and down with certain frequency when producing thermoacoustic effect.The frequency of this fluctuation in certain frequency range, makes this FREQUENCY CONTROL the reciprocating frequency of outer piston overlap generation resonance with it, thereby increases the efficient of transformation of energy by the bore and the degree of depth control of resonant cavity.
External heat source is any thermal source, produces thermal source, sunlight thermal source, boiler afterheat, fume waste heat etc. as fuel combustion, and it heats the resonant cavity cylinder body that is heated, and makes the gas temperature of the inside, cylinder body interior resonance chamber reach about 800 ℃ of the operating temperatures of generator.Working medium in the resonant cavity is an air, and the pressure of (normal temperature) is 1 barometric pressure under off working state, when external heat source be heated elevate the temperature after, its pressure also raises, and moves right thereby promote outer piston.Outer piston moves right the volume that will make in the compression chamber and reduces, and pressure raises gradually, compresses the outer piston spring simultaneously, makes it produce certain elastic force.
Superior effect of the present utility model is: the present invention is with the volume-diminished of motor and output power is constant, and the externally effect of thermal source does not need to establish in addition initial power equipment just can turn round, and drives the linear electric generator generating.
Description of drawings
Fig. 1 is a structure sectional view of the present utility model;
Fig. 2 is the left side view of Fig. 1;
Fig. 3 is the right side view of Fig. 1;
Fig. 4 is one of specific embodiment of the utility model schematic representation;
Fig. 5 is two of a specific embodiment of the utility model schematic representation;
Label declaration
The 1-external heat source; The 2-resonant cavity cylinder body that is heated;
The 3-resonant cavity; The 4-outer piston;
The 5-compression chamber; The 6-inner carrier;
7-outer piston cylinder body; 8-throttling ring body;
9-inner carrier cylinder body;
The 10-water cooling plant;
The 1001-cooling water inlet; The 1002-hot water outlet;
The 11-connecting rod; The 12-permanent magnet;
The 13-inductor coil; The 14-anchor bolt nut;
15-inductor coil support; 16-heat-insulating and sealing ring;
17-outer piston spring; 18-inner carrier spring;
19-O type circle seal ring; The 20-oilhole;
21-rod spring circle; The 22-rod spring;
23-piston lubrication oil scrobicular ring; The heat insulation cavity of 24-piston;
The 25-sealing falls to encircle.
Embodiment
See also shown in the accompanying drawing, the utility model will be further described.
As shown in Figure 1, the utility model provides a kind of equalizing piston formula hot acoustic Stirling linear electric generator, the resonance cylinder body 2 that is heated is affixed by bolt 14 with outer piston cylinder body 7, and outer piston cylinder body 7, throttling ring body 8, inner carrier cylinder body 9 and inductor coil support 15 are affixed by another bolt 14.
Outer piston cylinder body 7 middle parts are used to reduce the temperature of outer piston cylinder body 7 around welding one water cooling plant 10, and this water cooling plant 10 is provided with a cooling water inlet 1001 and hot water outlet 1002.Water cooling plant 10 for copper pipe around the middle part that is welded on outer piston cylinder body 7, described cooling water inlet 1001 is connected with an outer water pump, hot water outlet 1002 is connected with the bucket that dispels the heat, the water outlet of the bucket that dispels the heat is connected with water pump, the formation water cycle.
Be provided with outer piston spring 17 between outer piston 4 bottoms and the outer piston cylinder body 7, under off working state, outer piston spring 17 is that full extension is opened, and does not have elastic force.Be provided with the heat insulation cavity 24 of a circle piston in outer piston 4 bottoms and outer piston cylinder body 7 surface of contact, when outer piston 4 motions were in outer piston cylinder body 7 bottoms, the heat insulation cavity 24 of piston partially overlapped with the cold water of water cooling plant 10, plays heat insulation effect.
Be provided with inner carrier spring 18 between inner carrier 6 bottoms and the inner carrier cylinder body 9, when off working state, inner carrier spring 18 is compressed, and has certain elastic force.The oriented step that caves in inner carrier 6 tops, the sealing of this step and throttling ring body 8 encircles chimeric, plays the effect of isolated gas.
Described being heated is provided with sealed insulation layer 16 between resonance cylinder body 2 and the outer piston cylinder body 7, plays the effect of heat-insulating and sealing.The material of resonant cavity cylinder body 2 of being heated is the 316L stainless steel, and the material of outer piston cylinder body 7 is a carbon steel, and the material of sealed insulation layer 16 is resistant to elevated temperatures ceramic fiber.
Respectively be provided with a plurality of O type seal rings 19 between described outer piston cylinder body 7 and throttling ring body 8, throttling ring body 8 and the inner carrier cylinder body 9, isolated gas.
Described outer piston cylinder body 7 is provided with oilhole 20, is used to the lubricant oil of annotating; Outer ring, outer piston 4 top is provided with piston lubrication oil scrobicular ring 23, wherein is full of lubricant oil, plays effect lubricated and sealing.
As shown in Figure 2, be provided with a plurality of resonant cavitys 3 that are arranged in parallel in the described resonance cylinder body 2 that is heated, resonant cavity 3 bottoms contact with outer piston 4.Resonant cavity cylinder body 2 each the interior resonant cavity 3 that are heated can both become the resonant cavity 3 of thermoacoustic effect, produce thermoacoustic effect after being heated to uniform temperature.The resonant cavity cylinder body 2 that is heated can make the pressure in the resonant cavity 3 fluctuate up and down with certain frequency when producing thermoacoustic effect.The frequency of this fluctuation in certain frequency range, makes this FREQUENCY CONTROL the reciprocating frequency of outer piston 4 overlap generation resonance with it, thereby increases the efficient of transformation of energy by the bore and the degree of depth control of resonant cavity 3.
As shown in Figure 4, supposing that the pressure in the compression chamber 5 are P, is F1 to the thrust of inner carrier 6, and inner carrier spring 18 elastic force are F2.As F1 during less than F2, it is motionless that inner carrier 6 is in right-hand member, because sealing encircles 25 seal action, lifting surface area is S1, F1=P*S1.When the pressure P of compression chamber 5 increases gradually, it is also increasing gradually to thrust F1 of inner carrier 6, when being increased to F1＞F2, inner carrier 6 will being backed down and makes inner carrier 6 and sealing encircle 25 to break away from, make and produce a slit between inner carrier 6 and the throttling ring body 8, as shown in Figure 5.Lifting surface area can increase suddenly and become S2 this moment, and area S2 is 6 times of area S1, and according to formula F 1=P*S2, F1 can increase by 6 times suddenly, then F1＞＞F2, thereby make inner carrier 6 move right suddenly, compression inner carrier spring 18.Inner carrier 6 moves right suddenly, makes the volume of compression chamber 5 increase suddenly, makes pressure reduce suddenly, thereby outer piston 4 is also moved right suddenly.
After outer piston 4 moved right certain position, the volume of resonant cavity 3 also can increase, and made that the pressure in the chamber reduces.This moment, outer piston 4 became big with the area of contact of the water-cooled part of outer piston cylinder body 7 water cooling plants 10, make outer piston 4 heat exchange with it, reduce the temperature of outer piston 4, simultaneously also since hot air enter in the outer piston cylinder body 7, touch the water-cooled position, also play the effect of cooling.Reduce in temperature, volume becomes big and spring force and becomes under the big multiple action, 4 of outer pistons are to left movement.Outer piston 4 make the pressure step-down of compression chamber 5 to left movement, under the effect of inner carrier spring force 18, inner carrier 6 also encircles 25 closed again to left movement until inner carrier 6 and sealing.And inner carrier 6 is discharged the inner carrier cylinder chamber with Working medium gas and is entered into compression chamber 5, makes the compression chamber internal pressure become big, and external piston 4 also produces a thrust, quickens outer piston 4 to left movement.
Claims (7)
1. hot acoustic Stirling linear electric generator of equalizing piston formula is characterized in that:
Be heated resonance cylinder body and outer piston cylinder body by bolt affixed, outer piston cylinder body, throttling ring body, inner carrier cylinder body and inductor coil support by another bolt affixed;
Outer piston cylinder body middle part is around welding one water cooling plant, and this water cooling plant is provided with a cooling water inlet and hot water outlet;
Be provided with the outer piston spring between outer piston bottom and the outer piston cylinder body, be provided with the heat insulation cavity of a circle piston in outer piston bottom and the outer piston cylinder body surface of contact;
Be provided with the inner carrier spring between inner carrier bottom and the inner carrier cylinder body, the oriented step that caves in inner carrier top, the sealing of this step and throttling ring body encircles chimeric;
Inner carrier is connected with an end of a connecting rod by axle, and the other end of this connecting rod and rod spring snare connect fixing, a plurality of rod springs of rod spring circle hook joint, and the other end of rod spring colludes on the inductor coil support; The intermediate portion of described connecting rod is a hollow, a built-in permanent magnet.
2. by the hot acoustic Stirling linear electric generator of the described equalizing piston formula of claim 1, it is characterized in that:
Be provided with a plurality of resonant cavitys that are arranged in parallel in the described resonance cylinder body that is heated, the resonant cavity bottom contacts with outer piston.
3. by claim 1 or the hot acoustic Stirling linear electric generator of 2 described equalizing piston formulas, it is characterized in that:
Described being heated is provided with sealed insulation layer between resonance cylinder body and the outer piston cylinder body.
4. by the hot acoustic Stirling linear electric generator of the described equalizing piston formula of claim 3, it is characterized in that:
Described outer piston cylinder body is provided with oilhole, and outer ring, outer piston top is provided with piston lubrication oil scrobicular ring.
5. by the hot acoustic Stirling linear electric generator of the described equalizing piston formula of claim 1, it is characterized in that:
Respectively be provided with a plurality of O type seal rings between described outer piston cylinder body and throttling ring body, throttling ring body and the inner carrier cylinder body.
6. by claim 1 or the hot acoustic Stirling linear electric generator of 5 described equalizing piston formulas, it is characterized in that:
Described outer piston cylinder body is provided with oilhole, and outer ring, outer piston top is provided with piston lubrication oil scrobicular ring.
7. by the hot acoustic Stirling linear electric generator of the described equalizing piston formula of claim 1, it is characterized in that:
Described water cooling plant be copper pipe around the middle part that is welded on the outer piston cylinder body, described cooling water inlet is connected with an outer water pump, hot water outlet is connected with the heat radiation bucket, the water outlet of the bucket that dispels the heat is connected with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201299785U CN201650492U (en) | 2010-03-12 | 2010-03-12 | Balanced-piston type thermoacoustic Stirling linear generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201299785U CN201650492U (en) | 2010-03-12 | 2010-03-12 | Balanced-piston type thermoacoustic Stirling linear generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650492U true CN201650492U (en) | 2010-11-24 |
Family
ID=43115725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201299785U Expired - Fee Related CN201650492U (en) | 2010-03-12 | 2010-03-12 | Balanced-piston type thermoacoustic Stirling linear generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650492U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762210A (en) * | 2017-02-28 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of double end Stirling motor device with radiating flow passage |
| CN107869406A (en) * | 2016-09-28 | 2018-04-03 | 天津启星动力科技有限公司 | Cylinder heat insulation loop |
| CN113565647A (en) * | 2021-08-23 | 2021-10-29 | 杨士中 | Y-shaped Stirling engine |
-
2010
- 2010-03-12 CN CN2010201299785U patent/CN201650492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869406A (en) * | 2016-09-28 | 2018-04-03 | 天津启星动力科技有限公司 | Cylinder heat insulation loop |
| CN106762210A (en) * | 2017-02-28 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of double end Stirling motor device with radiating flow passage |
| CN113565647A (en) * | 2021-08-23 | 2021-10-29 | 杨士中 | Y-shaped Stirling engine |
| CN113565647B (en) * | 2021-08-23 | 2023-09-12 | 杨士中 | Y-shaped Stirling engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Stirling cycle engines for recovering low and moderate temperature heat: A review | |
| CN101509437B (en) | Highly effective high temperature external combustion engine | |
| CN104704228B (en) | For converting heat to Thermal Motor and the thermodynamic cycle of useful work | |
| CN103114941A (en) | Free piston Stirling engine system utilizing high-low temperature heat sources meanwhile | |
| CN103032202A (en) | Stirling engine | |
| CN201650492U (en) | Balanced-piston type thermoacoustic Stirling linear generator | |
| CN103225570B (en) | Generator and refrigerator coupled double Stirling engine | |
| JP2023082139A (en) | Efficient heat recovery engine | |
| US10087883B2 (en) | Stirling engine with regenerator internal to the displacer piston and integral geometry for heat transfer and fluid flow | |
| Arslan et al. | A Comprehensive Review on Stirling Engines | |
| KR101018379B1 (en) | External combustion engine and output method thereof | |
| KR101045871B1 (en) | Linear heat engine | |
| GB2460221A (en) | Free vane Stirling engine | |
| CN215213717U (en) | Two-stage free piston Stirling generator | |
| CN201292922Y (en) | Solar Stirling engine | |
| KR101045872B1 (en) | Rotary heat engine | |
| RU2553090C2 (en) | Heat engine implementing reylis cycle | |
| CN202181998U (en) | Solar-energy Sterling linear generating set | |
| CN102900485A (en) | Thermal temperature-difference power machine | |
| CN201367951Y (en) | Efficient high-temperature external combustion engine | |
| KR101098470B1 (en) | Linear heat engine power-generating apparatus | |
| KR20060071827A (en) | An external combustion engine combined with cylinder, re-generator and cooler | |
| Abed et al. | Fabrication of Stirling Engine and study its characteristics | |
| CN220541811U (en) | High-pressure helium heat exchange system and regenerative heat engine system | |
| KR101328651B1 (en) | Pulse Tube Engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110312 |