CN104836317A - Method and system for supplying power to equipment using thermoelectric generation of pipelines - Google Patents
Method and system for supplying power to equipment using thermoelectric generation of pipelines Download PDFInfo
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- CN104836317A CN104836317A CN201510185322.2A CN201510185322A CN104836317A CN 104836317 A CN104836317 A CN 104836317A CN 201510185322 A CN201510185322 A CN 201510185322A CN 104836317 A CN104836317 A CN 104836317A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
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Abstract
The invention relates to a method and a system for supplying power to equipment using thermoelectric generation of pipelines and particularly relates to a method and a system for supplying power to equipment using a temperature difference of fluids in supply and return pipes of a heat supply or air-conditioning system. As the supply pipe and the return pipe of the heat supply or the air conditioning system have a stable temperature difference, fluids of high and low temperatures are guided into a thermal-cooling cycling cavity of a generating sheet generation system, the temperature difference between cold and hot surfaces of a generating sheet is maintained stable for stable power generation, and a control circuit is used for supplying power to the equipment or charging an electrical storage device. The circulation power of the fluids in the cycling cavity is from a pressure difference of the supply pipe and the return pipe of the heat supply or the air conditioning system and a pressure difference of a certain distance between an upstream and a downstream of the same pipe.
Description
Technical field
The invention belongs to energy technology field, relate to a kind of method utilizing pipeline thermo-electric generation to power to equipment, be specifically related to a kind of heat supply or air-conditioning system and there is the temperature difference for, water return pipeline inner fluid, the method utilizing this thermo-electric generation to power for equipment, the invention still further relates to and adopt the method to realize the system that equipment powers.
Background technology
In heat supply, field of air conditioning, the pressure of tradition water system, temperature, the isoparametric measurement of flow adopts machinery instrument mostly, shown by dial plate, artificial reading, the mode of paper notes record realizes the reading of measurement data, collection and record, the operation of the data management system that operations staff reads according to these or records.Along with the development of automatic control technology, a lot of heat supply or air-conditioning system such as pressure, temperature, the isoparametric measurement of flow and collection now all adopts instrument and meter for automation, and measurement data gathers automatically, and realizes data remote transmission.This mode makes data can Real-time Collection on the one hand, it is the necessary links that system realizes automatic control, achieve high-frequency electronic data on the other hand, facilitate the functions such as the diagnosis of administrative staff's operational management and fault, process, but this automatic instrument(s) all needs power supply without exception, this becomes an important restriction factor of its extensive use, otherwise be placed on conveniently connect electricity power supply near, as being arranged in thermal substation; Spend larger cost to install independent circuit to power, cost is comparatively large, and the restriction of limited field condition cannot realize even; Arrange powered battery, but battery electric quantity and life-span are all limited, regularly replace loaded down with trivial details, cost is also higher.Along with the development of mobile communication technology and the demand of smart city development, the Real-Time Monitoring of following municipal systems such as heat supply, air-conditioning requires to improve, the installation site of instrument is not limited only in thermal substation, may all need to install relevant instrument for the pipeline on road, wilderness, the power supply of obvious instrument and equipment constrains its large-scale application & development.
Chinese patent " utilizes the generating of oil and gas pipeline surface temperature difference to carry out the device (People's Republic of China (PRC) of powering, application number: 201420195588.6) " propose and a kind ofly utilize oil and gas pipeline surface temperature difference to generate electricity to carry out the device of powering, it utilizes the temperature difference of oil and gas pipes surface and ambient temperature to the power supply to the device that generates electricity, although this mode can realize generating in theory, but there is following shortcoming: one is that generating sheet hot side adopts with pipeline wall and directly contacts, because pipeline outer wall face unavoidably exists uneven, the problem such as corrosion even, generating sheet wall contact heat resistance is larger, be difficult to the temperature making full use of fluid, two is that it adopts ambient temperature to maintain the method for huyashi-chuuka (cold chinese-style noodles), in general, the pipelines such as oil gas are embedded in underground, thermal conduction of soil poor-performing, its soil as its external environment is along with the carrying out of power generation process, temperature can progressively raise, and the temperature difference being easy to make to generate electricity sheet cold and hot surface disappears, and loses generating capacity, three is in power generation process, and the heat loss in pipeline, in soil, loses while causing the energy " matter " and " amount ".The long-term continuable temperature difference how is provided to be generating sheet work and the equipment that the realizes essential condition of powering.And for heat supply and air-conditioning system, the energy-provision way for backwater twin flue of employing, there is comparatively stable confession, backwater temperature difference in its pipeline fluid circulating, this adopts thermo-electric generation to provide necessary condition for implementing.Namely the present invention proposes a kind ofly to utilize this comparatively stable temperature difference, realizes the power supply method of equipment, and the system utilizing the method to realize equipment to power.
Summary of the invention
The present invention is directed to the occasion possessing and comparatively stablize the temperature difference, propose a kind of method and system utilizing pipeline thermo-electric generation to power to equipment.
The technical solution used in the present invention is: a kind of pipeline and fluid temperature difference of utilizing generates electricity the method and system of powering to equipment, comprises thermo-electric generation system, control circuit, the equipment needing power supply, the first pipeline and second pipe composition.
It is characterized in that: the cold and hot temperature difference of thermo-electric generation system derives from first pipeline fluid and second pipe wall with a fixed difference difference.High temperature or cryogen flow out from the first pipeline and enter torus by the entrance of torus, and the outlet in self-loopa chamber is flowed out; The wherein one side of torus and thermo-electric generation sheet group carries out heat exchange, and the one side of stable maintenance thermo-electric generation sheet is in high temperature or low-temperature condition; Another side and the second pipe outside wall surface of being close to the outside wall surface thermo-electric generation sheet group of second pipe carry out heat exchange, and the another side of stable maintenance thermo-electric generation sheet is in low temperature or the condition of high temperature; The stable existence of the thermo-electric generation sheet cold and hot two sides temperature difference, just can generate electricity, and generating sheet group is connected with control circuit by electrode, and control circuit is connected with needing the equipment of powering thus powers to equipment further.
Be further characterized in that: described first pipeline and second pipe are the confession of heating system, the confession of water return pipeline or air-conditioning, water return pipeline or other there is the pipeline of the stable temperature difference.
Be further characterized in that: described equipment is instrument, the equipment that instrument or other conventional electron modes not easily realize.
Be further characterized in that: described control circuit is also connected with electrical storage device, the electric energy that electrode exports can store in electrical storage device by control circuit.
Be further characterized in that: described control circuit can control, thus the electric energy making electrode export stores and switches at electrical storage device and being fed between power consumption equipment.
Be further characterized in that: described electrical storage device is connected, to power to described equipment with needing the equipment of powering.
Control circuit is automatically by unstable or do not meet the electric current of electric power storage or equipment power demands and voltage and become voltage and current needed for electrical storage device or equipment, realize the stable power-supplying of equipment or the electric power storage of electrical storage device, and in electric power storage, carry out between electricity consumption balancing and dispatching.
Being further characterized in that: in order to ensure close contact between fluid torus wall and generating sheet group, reduce thermal resistance, compactness Heat Conduction Material can also being increased between described fluid torus and generating sheet group.
Being further characterized in that: in order to ensure close contact between second pipe wall and generating sheet group, reduce thermal resistance, compactness Heat Conduction Material can also being increased described between second pipe wall and the contact-making surface of generating sheet group.
The mobilization dynamic of described fluid torus inner fluid derives from the pressure differential existed in the upstream and downstream certain distance of described first pipeline.
Be further characterized in that: the mobilization dynamic of described fluid torus inner fluid derives from the pressure differential existed in the upstream and downstream certain distance of described first pipeline.The flowing of fluid in torus needs to overcome certain resistance, and whether its power resources are conveniently the important factor in order that can this system be applied.And for carrying the pipeline of fluid, fluid is at Bottomhole pressure, and it is along on flow direction, itself there is pressure differential between the upstream and downstream of pipeline, the power that this pressure differential just can conveniently provide fluid torus fluid flows to need.The entrance of described fluid torus and the first pipeline be positioned at a bit being connected of upstream on direction of flow, the outlet of fluid torus and the first pipeline be positioned at a bit being connected of downstream on direction of flow, between 2 of described upstream and downstream in a distance; When determining described distance, the principle that the fluid pressure differential that should produce in line with the distance by described point-to-point transmission can overcome the resistance of pipeline before and after fluid flow through fluid torus and fluid torus is selected, if the resistance of fluid flow through fluid torus and front and back pipeline thereof is larger, a larger segment distance then can be selected on pipeline to be connected to the import and export of fluid torus, thus can provide the mobilization dynamic of variable size in this way easily, this is also the important feature of power supply unit provided by the invention.
Be further characterized in that: the mobilization dynamic of described fluid torus inner fluid derives from the pressure differential between described first pipeline and second pipe.In some cases, there is pressure differential therebetween in described first pipeline and second pipe, thus the pressure differential that the power that the flowing of fluid in torus needs can also be originated between this first pipeline and second pipe.The entrance of described fluid torus and being a bit connected of the first pipeline, the outlet of fluid torus and being a bit connected of second pipe, the fluid pressure at the more described place on described first pipeline is greater than the fluid pressure at the more described place on second pipe, and the fluid pressure differential between 2 need overcome the equipment of pipeline and installation before and after fluid flow through fluid torus, fluid torus as the resistance of filter etc.
Be further characterized in that: the mobilization dynamic of described fluid torus inner fluid can also be provided by increase pump or other power-equipments before the entrance of fluid torus and/or after outlet.
Be further characterized in that: in order to strengthen the heat transfer effect of generating sheet and fluid torus, improve generating efficiency, can also the adopting ripple struction with the contact-making surface of the sheet group that generates electricity and/or brush the coating strengthening heat exchange of described fluid torus.
Be further characterized in that: in order to meet the power demands of distinct device, as differences such as voltage, electric current, power and capacity, and consider in the different occasion fluids within pipes temperature difference different, described generating sheet group can be one group of generating sheet, also can be many group generating sheet serial or parallel connections, meet different demand.
Be further characterized in that: in order to prevent the dirt in pipeline from flowing into, blocking fluid torus, fluid filtering device can be installed additional before the import of described fluid torus.
Be further characterized in that: described electrical storage device be but be not limited in the assembly of storage battery, super capacitor, electric capacity, storage battery and dry cell one or more.
Its feature also shows: the difference in functionality layer of described thermo-electric generation system adopts multilayer concentric circular ring structure, by internal layer compactness thermal conductive material layer, thermo-electric generation sheet arranges chamber and thermo-electric generation sheet group, middle closely thermal conductive material layer, fluid torus, electrode, the import of fluid torus, the outlet composition of fluid torus.Compactness thermal conductive material layer, thermo-electric generation sheet arrange that chamber, middle compactness thermal conductive material layer and fluid torus all adopt donut structure, and it is a part for donut or annulus.
Its feature also shows: when described thermo-electric generation system adopts multilayer circular ring structure, its fixing on pipeline can adopt but be not restricted to the fastening antithesis ring of the levitron of prefabricated corresponding angle, adopts bolt arrangement to be fixed on pipeline together with fastening antithesis ring.Described fastening antithesis ring is a part for annulus or annulus, and the central angle sum of its central angle and thermo-electric generation system is 360 °, and concentric with thermo-electric generation system, and external shape is similar to thermo-electric generation system, and only central angle is different.
The thermo-electric generation system end of fastening antithesis ring and circular ring structure all arranges outwardly fin, adopts bolt or other modes to fix.The outwardly fin that the thermo-electric generation system end of circular ring structure is arranged except for except arranging bolt arrangement above, can also but the import/export be not limited to from inner extraction electrode or extraction fluid torus.
Its feature also shows: the central angle of described thermo-electric generation system changes between 0 ° to 360 °, thus arranges the thermo-electric generation sheet group of varying number.When described thermo-electric generation system adopts multilayer circular ring structure, can by the object adopting the circular ring structure of different angle to reach adjustment generating sheet group quantity.Due to the demand voltage of distinct device, the difference of electric current and power, and consider in the different occasion fluids within pipes temperature difference different, the thermo-electric generation system of different annular angle size can be selected, thus by and or the thermo-electric generation sheet of varying number of connecting adjust flexibly.
Its feature also shows: described thermo-electric generation sheet arranges that the generating sheet group in chamber can prefabricatedly be fixed, and also can on-the-spotly install flexibly.
Its feature also shows: for the circular ring structure thermo-electric generation system of certain angle determined, when thermo-electric generation sheet arranges in chamber that the group number of the sheet that generates electricity is less than maximum quantity prefabricated in annulus, can be, but not limited to install pseudo-thermo-electric generation sheet fill, can also be directly vacant, described pseudo-thermo-electric generation plate shape size is duplicate but do not possess generating effect with generating sheet, is mainly used in supporting thermo-electric generation sheet group place cavity not because vacant generation deformation.Thus realize the flexible adjustment of thermo-electric generation sheet group quantity.
The present invention also provides a kind of method utilizing thermo-electric generation to power to equipment, and it comprises the steps:
There is provided a thermo-electric generation system, described thermo-electric generation system comprises thermo-electric generation sheet group, electrode, fluid torus and the first pipeline and second pipe;
A control circuit is provided;
Choose on the first pipeline a bit, the first ducted fluid is drawn, makes it flow through fluid torus in thermo-electric generation system;
Choose another point on the first pipeline, the fluid that the fluid torus in thermo-electric generation system flows out is introduced the first pipeline again;
Do fluidics calculate when choosing the leading point of the first pipeline and introducing point and make the pressure differential between 2 can overcome the resistance of fluid flows body cavity and front and back pipeline thereof by the described leading point of adjustment and the distance introduced between point;
Torus carries out heat exchange with the wherein one side of generating sheet group, and the another side of generating sheet group is close to second pipe outer wall and carries out heat exchange with it;
A close contact of torus and thermo-electric generation sheet group is made to go forward side by side the heat exchange of line stabilization; The another side of order generating sheet group is close to second pipe outer wall and is gone forward side by side the heat exchange of line stabilization;
Make thermo-electric generation sheet group be connected with control circuit by electrode, and by control circuit further with need the equipment of powering to be connected to power to described equipment.
The method that the present invention also provides another to utilize thermo-electric generation to power to equipment, comprises the steps:
There is provided a thermo-electric generation system, described thermo-electric generation system comprises thermo-electric generation sheet group, electrode, fluid torus and the first pipeline and second pipe;
A control circuit is provided;
Choose on the first pipeline a bit, the first ducted fluid is drawn, makes it flow through fluid torus in thermo-electric generation system;
Choose another point on second pipe, the fluid flowed out by the fluid torus in thermo-electric generation system introduces second pipe;
Do fluidics calculate when choosing the introducing point of the leading point of the first pipeline and second pipe and make the pressure differential between 2 can overcome the resistance of fluid flows body cavity and front and back pipeline thereof by the described leading point of adjustment and the position of introducing point;
Torus carries out heat exchange with the wherein one side of generating sheet group, and the another side of generating sheet group is close to second pipe outer wall and carries out heat exchange with it;
A close contact of torus and thermo-electric generation sheet group is made to go forward side by side the heat exchange of line stabilization; The another side of order generating sheet group is close to second pipe outer wall and is gone forward side by side the heat exchange of line stabilization;
Make thermo-electric generation sheet group be connected with control circuit by electrode, and by control circuit further with need the equipment of powering to be connected to power to described equipment.
According to above-mentioned two kinds of methods provided by the invention, it is characterized in that: described first pipeline and second pipe are respectively the confession of heating system, the confession of water return pipeline or air-conditioning system, water return pipeline.
According to above-mentioned two kinds of methods provided by the invention, it is characterized in that: the generating sheet group of described thermo-electric generation system and fluid torus are a part for donut or annulus.
According to above-mentioned two kinds of methods provided by the invention, it is characterized in that: fastening antithesis ring is set and realizes thermo-electric generation system fixing on pipeline.Described fastening antithesis ring is a part for annulus or annulus, and the central angle sum of its central angle and thermo-electric generation system is 360 °, and described fastening antithesis ring is concentric with thermo-electric generation system.
According to above-mentioned two kinds of methods provided by the invention, it is characterized in that: the central angle of described thermo-electric generation system changes between 0 ° to 360 °, thus arranges the thermo-electric generation sheet group of varying number.
According to above-mentioned two kinds of methods provided by the invention, it is characterized in that: the quantity also comprising the steps: to choose according to power generation needs the generating sheet group that can generate electricity, remaining thermo-electric generation sheet group is set to pseudo-generating sheet group, it does not have generating effect, for supporting thermo-electric generation sheet group place cavity not because vacant generation deformation.
The present invention has the following advantages and high-lighting effect:
(1) in system flow design: pipeline wall is close in thermo-electric generation sheet side, side adopts and directly imports the way that fluid enters torus, take full advantage of sustainable, the more stable temperature difference that in heat supply, air-conditioning system, cold fluid and hot fluid exists, make generating sheet both sides can realize stable cold and hot surface, ensure that the efficient stable work of generating sheet, thus can continue to generate electricity and the equipment that the realizes demand of powering.
(2) in connected mode, the pressure differential for water return pipeline is taken full advantage of, the pressure differential between same pipeline upstream and downstream.Make the flowing of torus inner fluid not need extra power, install and realize conveniently, also achieving flexile interface mode simultaneously.
(3) in the structural design of device, adopt the structural design of multilayer concentric annulus, very big convenience is provided for producing, installing, the design of different annular angle simultaneously and the flexible adjustment being designed to generating sheet group quantity of pseudo-thermo-electric generation sheet provide conveniently, thus achieve the flexile output of electric energy, take into account different occasion temperature difference difference, meet the electricity needs of distinct device.
(4) in the fixed form of device, adopt the Creative Design of fastening antithesis ring, make fixed installation convenient, and be easy to ensure close contact.
(5) from Energy harvesting, heat between thermo-electric generation sheet high/low temperature face is except generating, substantially be also dispersed in pipeline, except reducing the grade of the energy, have lost " matter " of the energy outward, do not lose the energy " amount ", for such as boiler or power plant's heating system, using energy source does not almost have energy loss.
Accompanying drawing explanation
A kind of system schematic (180 °, central angle) utilizing the pipeline temperature difference to power to equipment of Fig. 1
A kind of system schematic (three-dimensional 180 °) utilizing the pipeline temperature difference to power to equipment of Fig. 2
Fig. 3 mono-thermo-electric generation system torus and pipeline connection diagram one
A kind of system schematic (90 °, central angle) utilizing the pipeline temperature difference to power to equipment of Fig. 4
Fig. 5 thermo-electric generation system torus and pipeline connection diagram two
Wherein: 1-thermo-electric generation system, 1a-internal layer compactness thermal conductive material layer, 1b-thermo-electric generation sheet arranges chamber, 1c-thermo-electric generation sheet group, 1d-pseudo-thermo-electric generation sheet group, 1e-generating sheet internal connecting electrodes, 1f-middle compactness thermal conductive material layer, 1g-fluid torus, the import of 1h-fluid torus, the outlet of 1i-fluid torus, 1j-thermo-electric generation sheet group electric energy output electrode, 2-control circuit; 3-electrical storage device; The equipment of 4-needs power supply; 5-the first pipeline; 6-second pipe; 7-fastening antithesis ring; 8-fastening bolt;
Embodiment
Below in conjunction with accompanying drawing specific embodiment, the present invention is further illustrated.
Embodiment 1:
See Fig. 1, Fig. 2, Fig. 3.
The system utilizing pipeline thermo-electric generation to power to equipment, comprises thermo-electric generation system 1, and control circuit 2, electrical storage device 3, equipment 4, first pipeline 5 needing power supply and second pipe 6, fastening antithesis ring 7, fastening bolt 8 forms.
Thermo-electric generation system 1 is by internal layer compactness thermal conductive material layer 1a, thermo-electric generation sheet arranges chamber 1b, thermo-electric generation sheet group 1c, pseudo-thermo-electric generation sheet group 1d, generating sheet internal connecting electrodes 1e, middle compactness thermal conductive material layer 1f, fluid torus 1g, the import 1h of fluid torus, the outlet 1i of fluid torus, thermo-electric generation sheet group electric energy output electrode 1j forms.Compactness thermal conductive material layer 1a, thermo-electric generation sheet arrange that chamber 1b, middle compactness thermal conductive material layer 1f and fluid torus 1g all adopt 180 ° of donut structures, in the end of fluid torus 1g, outwardly convex fin is set, this fin effect has three: one for drawing generating plate electrode from inside, two for drawing the import/export of fluid torus from inside, three for arranging the fastening structures such as bolt above, and jointly that thermo-electric generation system is fixing and close contact is on second pipe 6 with fastening antithesis ring.Should be appreciated that this does not mean that this electrode must be drawn from fin, torus is imported and exported and must be drawn from fin, does not also mean that and bolt arrangement must be adopted to fix.
Fastening antithesis ring and thermo-electric generation sheet are donut, external shape and thermo-electric generation system just the same, only central angle is different, and both guarantees central angle sum is 360 °, and therefore, in the present embodiment, fastening antithesis ring central angle is 180 °.
For heating system supplies water (high temperature fluid) in first pipeline 5, be heating system backwater (cryogen) in second pipe 6.Thermo-electric generation system 1 is close to second pipe 6 outside wall surface by above-mentioned fastening antithesis ring structure, and carries out heat exchange with second pipe 6 outside wall surface, ensure that the temperature of thermo-electric generation sheet group huyashi-chuuka (cold chinese-style noodles).The import 1h of fluid torus is connected with the first pipeline A point, the outlet 1i of fluid torus is connected with the first pipeline B point, A point is positioned at the upstream of direction of flow, the tie point A of pipeline, distance between B determines that the principle that the fluid pressure differential that should produce in line with it can overcome fluid flow through fluid torus and front and back pipe resistance thereof is selected, when heating system is run, the pressure reduction that AB is 2 ensure that the steady flow of torus inner fluid, ensure that the temperature of thermo-electric generation sheet group hot side, thus form the stable temperature difference at thermo-electric generation sheet cold and hot surface, electrode 1j is made to have electric current to export, first current/voltage is converted into the current/voltage needed for equipment 4 and powers to equipment 4 by control circuit 2, when equipment does not need power supply, the electrical power storage that thermo-electric generation system produces by control circuit 2 is in electrical storage device 3.When the temperature difference is less, cannot generate electricity or generate electricity sheet fault time, power to equipment 4 by electrical storage device 3.Also can as required, control circuit 2 powers first to electrical storage device 3, is powered directly to equipment 4 by electrical storage device 3.Compactness Heat Conduction Material 1a, 1f adopt heat-conducting silicone grease, ensure heat exchange property good between generating sheet group 1c and the wall of the first pipeline outer wall face and circulation cavity 1g.
It should be noted that, if thermo-electric generation system 1 is close to the first pipeline 5 outside wall surface in this case, fluid torus import and export connects second pipe 6 in a distance upper, downstream, still can reach same effect, difference is the sense of current difference that electrode exports.
Embodiment 2:
See Fig. 4 and Fig. 5.
Utilize fluid temperature difference to generate electricity a system of powering to equipment, comprise thermo-electric generation system 1, control circuit 2, electrical storage device 3, equipment 4, first pipeline 5 needing power supply and second pipe 6, fastening antithesis ring 7, fastening bolt 8 forms.
Thermo-electric generation system 1 is by internal layer compactness thermal conductive material layer 1a, thermo-electric generation sheet arranges chamber 1b, thermo-electric generation sheet group 1c, pseudo-thermo-electric generation sheet group 1d, generating sheet internal connecting electrodes 1e, middle compactness thermal conductive material layer 1f, fluid torus 1g, the import 1h of fluid torus, the outlet 1i of fluid torus, thermo-electric generation sheet group electric energy output electrode 1j forms.Internal layer compactness thermal conductive material layer 1a, thermo-electric generation sheet arrange that chamber 1b, middle compactness thermal conductive material layer 1f and fluid torus 1g all adopt 90 ° of donut structures, in the end of fluid torus 1g, outwardly convex fin is set, this fin effect has three: one for drawing generating plate electrode from inside, two for drawing the import/export of fluid torus from inside, three for arranging bolt arrangement above, for fastening antithesis ring by thermo-electric generation system fixing and close contact in second pipe 6 outside wall surface.Fastening antithesis ring central angle is 270 °.Should be appreciated that this does not mean that this electrode must be drawn from fin, torus import and export must be drawn from fin, does not also mean that and bolt arrangement must be adopted to fix.
For heating system supplies water (high temperature fluid) in first pipeline 5, be heating system backwater (cryogen) in second pipe 6, the fluid pressure in the first pipeline 5 is greater than the pressure of second pipe 6 inner fluid.Thermo-electric generation system 1 is close to second pipe 6 outside wall surface by above-mentioned fastening antithesis ring structure, and carries out heat exchange with second pipe 6 outside wall surface, ensure that the temperature of thermo-electric generation sheet group huyashi-chuuka (cold chinese-style noodles).The import 1h of fluid torus is connected with the C point on the first pipeline 5, the outlet 1i of fluid torus is connected with the D point on second pipe 6, during the new system cloud gray model of heat supply, pressure differential between first pipeline 5 and second pipe 6 provides power to the flowing of fluid torus inner fluid, if pressure differential is too large, can regulate by mounted valve on the tube connector entering torus, if pressure differential is too little, the caliber of torus tube connector can be increased, in a word, ensure that fluid pressure differential can overcome fluid flow through fluid torus and front and back pipe resistance thereof, fluid is entered through the import of fluid torus by the first pipeline that pressure is higher, get rid of in the outlet from fluid torus, enter second pipe 6, ensure that the temperature of thermo-electric generation sheet group hot side, thus form the stable temperature difference at thermo-electric generation sheet cold and hot surface, electrode 1j is made to have electric current to export, first current/voltage is converted into the current/voltage needed for equipment 4 and powers to equipment 4 by control circuit 2, when equipment does not need power supply, the electrical power storage that thermo-electric generation system produces by control circuit 2 is in electrical storage device 3.When the temperature difference is less, cannot generate electricity or generate electricity sheet fault time, power to equipment 4 by electrical storage device 3.Also can as required, control circuit 2 powers first to electrical storage device 3, is powered directly to equipment 4 by electrical storage device 3.Compactness Heat Conduction Material 1a, 1f adopt heat-conducting silicone grease, ensure heat exchange property good between generating sheet group 1c and the wall of the first pipeline outer wall face and circulation cavity 1g.
Should be appreciated that above-mentioned execution mode is only preferred embodiment of the present invention, be used for describing the application of the principles of the present invention, when not deviating from spirit of the present invention or intrinsic propesties, the present invention may be embodied as other concrete form.Which described execution mode all will be understood that it is only illustratively from the viewpoint of, and should not think restrictive.Therefore, scope of the present invention should be as the criterion with claims, instead of is as the criterion with aforementioned invention, all falls within its scope according to the modification that connotation and the equivalent manners of claim are done.
Although utilized and thought that the most practical and preferred embodiment relevant characteristic of the present invention and details describe the present invention all sidedly at present, but the various change that it will be apparent to those skilled in the art that and/or improvement, include, but are not limited to size, material, shape, interface shape, interface position, function and mode of operation, change in the use of assembling and make, these do not deviate from the principle of the present invention and concept set forth in the claims.
Claims (32)
1. the system utilizing pipeline thermo-electric generation to power for equipment, comprise thermo-electric generation system, control circuit, and the equipment needing power supply, is characterized in that: the cold and hot temperature difference of thermo-electric generation system derives from first pipeline fluid and second pipe wall with a fixed difference difference.
2. system according to claim 1, it is characterized in that: thermo-electric generation system comprises thermo-electric generation sheet group, electrode, fluid torus and the first pipeline and second pipe, high temperature or cryogen flow out from the first pipeline and enter torus by the entrance of torus, and the outlet in self-loopa chamber is flowed out; Torus carries out heat exchange with the wherein one side of generating sheet group, and the another side of generating sheet group is close to second pipe outer wall and carries out heat exchange with it; Generating sheet group is connected with control circuit by electrode, and control circuit is connected with needing the equipment of powering thus powers to equipment further.
3. system according to claim 1 and 2, is characterized in that: the generating sheet group of described thermo-electric generation system and fluid torus are a part for donut or annulus.
4. system according to claim 3, is characterized in that: arrange fastening antithesis ring and realize thermo-electric generation system fixing on pipeline.
5. system according to claim 4, is characterized in that: described fastening antithesis ring is a part for annulus or annulus, and the central angle sum of its central angle and thermo-electric generation system is 360 °, and described fastening antithesis ring is concentric with thermo-electric generation system.
6. system according to claim 3, is characterized in that: the central angle of described thermo-electric generation system changes between 0 ° to 360 °, thus arranges the thermo-electric generation sheet group of varying number.
7. system according to claim 2, is characterized in that:, described thermo-electric generation sheet group comprises pseudo-generating sheet group, and it does not have generating effect, for supporting thermo-electric generation sheet group place cavity not because vacant generation deformation.
8. system according to claim 1 and 2, is characterized in that: described first pipeline and second pipe be heat supply pipeline or air-conditioning duct or other there is the pipeline of the stable temperature difference.
9. system according to claim 1 and 2, is characterized in that: described equipment is instrument, the equipment that instrument or other conventional electron modes not easily realize.
10. system according to claim 1 and 2, is characterized in that: described control circuit is also connected with electrical storage device, and the curtage that electrode exports can store in electrical storage device by control circuit.
11. systems according to claim 10, is characterized in that: described control circuit can switch between electric power storage and power supply.
12. systems according to claim 10, is characterized in that: the equipment that described electrical storage device is powered with needs is connected, to power to described equipment.
13. systems according to claim 2, is characterized in that: have compactness Heat Conduction Material between the contact-making surface of described fluid torus and generating sheet group.
14. systems according to claim 2, is characterized in that: have compactness Heat Conduction Material between the contact-making surface of described second pipe wall and generating sheet group.
15. systems according to claim 2, is characterized in that: the mobilization dynamic of described fluid torus inner fluid derives from the pressure differential existed in the upstream and downstream certain distance of described first pipeline.
16. systems according to claim 15, it is characterized in that: the entrance of described fluid torus and the first pipeline be positioned at a bit being connected of upstream on direction of flow, the outlet of fluid torus and the first pipeline be positioned at a bit being connected of downstream on direction of flow, between 2 of described upstream and downstream in a distance.
17. systems according to claim 16, is characterized in that: the fluid pressure differential produced by the distance of described point-to-point transmission need overcome the resistance of pipeline before and after fluid flow through fluid torus and fluid torus.
18. systems according to claim 2, is characterized in that: the mobilization dynamic of described fluid torus inner fluid derives from the pressure differential between described first pipeline and second pipe.
19. systems according to claim 18, it is characterized in that: the entrance of described fluid torus and being a bit connected of the first pipeline, the outlet of fluid torus and being a bit connected of second pipe, the fluid pressure at the more described place on described first pipeline is greater than the fluid pressure at the more described place on second pipe, and the fluid pressure differential between 2 need overcome the resistance of pipeline before and after fluid flow through fluid torus and fluid torus.
20. systems according to claim 2, have pump or other power-equipments before it is characterized in that the entrance of described fluid torus and/or after outlet.
21. a kind of systems according to claim 2, is characterized in that: the adopting ripple struction with the contact-making surface of generating sheet group and/or brush the coating strengthening heat exchange of described fluid torus.
22. systems according to claim 2, is characterized in that: described generating sheet group is one group of generating sheet, or many group generating sheet serial or parallel connections.
23. systems according to claim 2, is characterized in that: install fluid filtering device additional before the import of described fluid torus.
24. a kind of systems according to claim 10, is characterized in that: described electric energy storage device is one or more in the assembly of storage battery, super capacitor, electric capacity, storage battery and dry cell.
25. 1 kinds of methods utilizing thermo-electric generation to power to equipment, comprise the steps:
There is provided a thermo-electric generation system, described thermo-electric generation system comprises thermo-electric generation sheet group, electrode, fluid torus and the first pipeline and second pipe;
A control circuit is provided;
Choose on the first pipeline a bit, the first ducted fluid is drawn, makes it flow through fluid torus in thermo-electric generation system;
Choose another point on the first pipeline, the fluid that the fluid torus in thermo-electric generation system flows out is introduced the first pipeline again;
Do fluidics calculate when choosing the leading point of the first pipeline and introducing point and make the pressure differential between 2 can overcome the resistance of fluid flows body cavity and front and back pipeline thereof by the described leading point of adjustment and the distance introduced between point;
Torus carries out heat exchange with the wherein one side of generating sheet group, and the another side of generating sheet group is close to second pipe outer wall and carries out heat exchange with it;
A close contact of torus and thermo-electric generation sheet group is made to go forward side by side the heat exchange of line stabilization; The another side of order generating sheet group is close to second pipe outer wall and is gone forward side by side the heat exchange of line stabilization;
Make thermo-electric generation sheet group be connected with control circuit by electrode, and by control circuit further with need the equipment of powering to be connected to power to described equipment.
26. 1 kinds of methods utilizing thermo-electric generation to power to equipment, comprise the steps:
There is provided a thermo-electric generation system, described thermo-electric generation system comprises thermo-electric generation sheet group, electrode, fluid torus and the first pipeline and second pipe;
A control circuit is provided;
Choose on the first pipeline a bit, the first ducted fluid is drawn, makes it flow through fluid torus in thermo-electric generation system;
Choose another point on second pipe, the fluid flowed out by the fluid torus in thermo-electric generation system introduces second pipe;
Do fluidics calculate when choosing the introducing point of the leading point of the first pipeline and second pipe and make the pressure differential between 2 can overcome the resistance of fluid flows body cavity and front and back pipeline thereof by the described leading point of adjustment and the position of introducing point;
Torus carries out heat exchange with the wherein one side of generating sheet group, and the another side of generating sheet group is close to second pipe outer wall and carries out heat exchange with it;
A close contact of torus and thermo-electric generation sheet group is made to go forward side by side the heat exchange of line stabilization; The another side of order generating sheet group is close to second pipe outer wall and is gone forward side by side the heat exchange of line stabilization;
Make thermo-electric generation sheet group be connected with control circuit by electrode, and by control circuit further with need the equipment of powering to be connected to power to described equipment.
27. methods according to claim 25 or 26, is characterized in that: described first pipeline and second pipe are respectively the confession of heating system, the confession of water return pipeline or air-conditioning system, water return pipeline.
28. methods according to claim 25 or 26, is characterized in that: the generating sheet group of described thermo-electric generation system and fluid torus are a part for donut or annulus.
29. methods according to claim 25 or 26, is characterized in that: arrange fastening antithesis ring and realize fixing on pipeline of thermo-electric generation system.
30. systems according to claim 29, is characterized in that: described fastening antithesis ring is a part for annulus or annulus, and the central angle sum of its central angle and thermo-electric generation system is 360 °, and described fastening antithesis ring is concentric with thermo-electric generation system.
31. systems according to claim 28, is characterized in that: the central angle of described thermo-electric generation system changes between 0 ° to 360 °, thus arranges the thermo-electric generation sheet group of varying number.
32. systems according to claim 25 or 26, it is characterized in that: the quantity also comprising the steps: to choose according to power generation needs the generating sheet group that can generate electricity, remaining thermo-electric generation sheet group is set to pseudo-generating sheet group, it does not have generating effect, for supporting thermo-electric generation sheet group place cavity not because vacant generation deformation.
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| CN104836317B (en) | 2023-09-22 |
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