CN203098005U - Divided-flow type combustor engine exhaust waste heat recovery system - Google Patents
Divided-flow type combustor engine exhaust waste heat recovery system Download PDFInfo
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- CN203098005U CN203098005U CN2013201067298U CN201320106729U CN203098005U CN 203098005 U CN203098005 U CN 203098005U CN 2013201067298 U CN2013201067298 U CN 2013201067298U CN 201320106729 U CN201320106729 U CN 201320106729U CN 203098005 U CN203098005 U CN 203098005U
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- generating body
- combustion engine
- temperature side
- internal combustion
- exhaust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a divided-flow type combustor engine exhaust waste heat recovery system. A combustor engine exhaust manifold in front of a postprocessor is divided into two branch pipes, at least one branch pipe is provided with a divided-flow valve, aperture control is carried out on the divided-flow valve by a controller according to exhaust pressure signals from a pressure sensor, and the pressure sensor is arranged on the combustor engine exhaust manifold; an electricity generation body formed by thermoelectric conversion materials is arranged in any one of the branch pipes, the electricity generation body is provided with a high-temperature side and a low-temperature side, an exhaust channel is formed on the high-temperature side of the electricity generation body, and the electricity generation body is connected with an electricity utilization device. The methods that a flow dividing structure is additionally arranged on the exhaust manifold and an thermoelectric conversion module is combined are adopted, under the condition that work of the combustor engine is not affected, heat in the combustor engine exhaust is recovered to be converted into electricity, and therefore the divided-flow type combustor engine exhaust waste heat recovery system has the advantages of being simple and efficient.
Description
Technical field
The utility model relates to a kind of heat recovery system, particularly relates to a kind of recycling system of exhaust heat of internal combustion engine.
Background technique
Internal-combustion engine has very important effect in national life with in producing, the major part of power train in vehicle application all relies on internal-combustion engine, major part from the petrol and diesel oil of fossil fuel is all consumed by internal-combustion engine, and have only about 25 percent to be used to acting in the energy that internal-combustion engine consumed, and have 40 percent to discharge along with automobile exhaust with the form of heat energy.Therefore, the waste heat of recycling in the I. C. engine exhaust has crucial meaning.The technology of afterheat of IC engine utilization has had a lot of experts to study, some patents have been applied for, and what have has carried out practical application, but above-mentioned UTILIZATION OF VESIDUAL HEAT IN method majority only limits to reclaim simply the heat energy in the I. C. engine exhaust, make it to be converted into another convenient heat energy form of utilizing, automobile is heated etc.Shortcomings such as and the application steam Rankine cycle that some scholars propose is converted into the method for electric energy or kinetic energy with heat energy, and complex structure is also arranged, and energy conversion efficiency is relatively low.
Summary of the invention
The utility model provides a kind of recycling system of flow deviding type exhaust heat of internal combustion engine for solving the technical problem that exists in the known technology, this system can be under the situation that does not influence internal combustion engine, the partial heat energy of I. C. engine exhaust is converted into electric energy, and simple in structure.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of recycling system of flow deviding type exhaust heat of internal combustion engine, to be positioned at the preceding exhaust manifold for internal combustion engine of preprocessor and be divided into the two-way arm, at least one described arm is provided with diverter valve, described diverter valve carries out aperture control by controller according to the discharge pressure signal from pressure transducer, and described pressure transducer is installed on the described exhaust manifold for internal combustion engine;
Be provided with the generating body that is formed by thermo-electric converting material in any one described arm, described generating body is provided with high temperature side and low temperature side, is formed with the exhaust passage at the generating body high temperature side, and described generating body is connected with power device.
Plug is equipped with the heat transfer body that is formed by metal polyporous material in the described exhaust passage.
Described generating body is a cast, and its outer wall forms the generating body low temperature side that contacts with the inwall of corresponding described arm, inwall forms described generating body high temperature side, and plug is equipped with the described heat transfer body that is formed by metal polyporous material in the described exhaust passage that described inwall forms.
Described generating body is a template, and this system comprises that at least one has the board-like generating body of central through bore, and the central through bore of described board-like generating body forms cooling channels, and the central through bore madial wall of described board-like generating body forms described generating body low temperature side; The exhaust passage is stated in the outer formation of described board-like generating body to some extent, and plug is equipped with the described heat transfer body that is formed by metal polyporous material in the described exhaust passage, and the outer side wall of described board-like generating body forms described generating body high temperature side; Described cooling channels is vertical with described exhaust passage.
Described power device is a storage battery.
Respectively be provided with a described diverter valve on the described arm of two-way.
Advantage and the good effect that the utlity model has are:
One) controller is according to discharge pressure signal control diverter valve aperture, under the high situation of internal-combustion engine back pressure, reduce heat exchange exhaust ratio, under the low situation of internal-combustion engine back pressure, improve heat exchange exhaust ratio, in increasing combustion engine exhaust resistance not significantly, influence under the situation of internal-combustion engine output power, heat in the I. C. engine exhaust is converted to electric energy, thereby reaches the purpose of energy saving and raising working efficiency of internal combustion engine.
Two) by using metal polyporous material, improve the heat exchange area of I. C. engine exhaust and metal surface, strengthened heat exchange, therefore can improve conversion efficiency of thermoelectric.
Three) on the basis of changing the internal combustion engine exhaust pipe structure as small as possible, the internal-combustion engine exhaust energy is recycled, can not produced bigger influence the work of internal-combustion engine, and simple in structure, the convenient layout.
In sum, the utility model is by increasing a shunt structure and in conjunction with the mode of a thermo-electric conversion module on exhaust manifold, under the situation that does not influence internal combustion engine, recycle the heat in the I. C. engine exhaust and be converted into electric energy, have the advantages of simplicity and high efficiency characteristics.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation;
Fig. 2 is the utility model embodiment 2 a structural representation.
Among the figure: 1, exhaust manifold for internal combustion engine, 2, pressure transducer, 3, diverter valve, 4, controller, 5, preprocessor, 6, storage battery, 7, the heat transfer body, 8, generating body, 9, cooling channels, 10, internal-combustion engine.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1～Fig. 2, a kind of recycling system of flow deviding type exhaust heat of internal combustion engine, to be positioned at preprocessor 5 preceding exhaust manifold for internal combustion engine 1 and be divided into the two-way arm, at least one described arm is provided with diverter valve 3, described diverter valve 3 carries out aperture control by controller 4 according to the discharge pressure signal from pressure transducer 2, and described pressure transducer 2 is installed on the described exhaust manifold for internal combustion engine 1; Be provided with the generating body 8 that is formed by thermo-electric converting material in any one described arm, described generating body 8 is provided with high temperature side and low temperature side, is formed with the exhaust passage at the generating body high temperature side, and described generating body 8 is connected with power device.
In order to improve conversion efficiency of thermoelectric, in the utility model, plug is equipped with the heat transfer body 7 that is formed by metal polyporous material in the described exhaust passage.Described power device is a storage battery 6.For the ease of respectively being provided with a described diverter valve 3 on the described arm of flow control two-way.
In the utility model, thermo-electric conversion module can have multiple structure, for example:
Embodiment 1:
See also Fig. 1, above-mentioned generating body 8 is a cast, and its outer wall forms the generating body low temperature side that contacts with the inwall of corresponding described arm, and inwall forms described generating body high temperature side, and plug is equipped with the described heat transfer body 7 that is formed by metal polyporous material in the described exhaust passage that described inwall forms.
Embodiment 2:
Above-mentioned generating body 8 is a template, and this system comprises that at least one has the board-like generating body of central through bore, and the central through bore of described board-like generating body forms cooling channels 9, and the central through bore madial wall of described board-like generating body forms described generating body low temperature side; The exhaust passage is stated in the outer formation of described board-like generating body to some extent, and plug is equipped with the described heat transfer body 7 that is formed by metal polyporous material in the described exhaust passage, and the outer side wall of described board-like generating body forms described generating body high temperature side; Described cooling channels 9 is vertical with described exhaust passage.
Working principle of the present utility model:
In the working procedure of internal-combustion engine 10, internal-combustion engine 10 can produce high-temp waste gas, the high-temp waste gas of internal-combustion engine 10 is directly arranged to atmosphere when not increasing this system, caused the waste of energy, after having increased this system, the part waste gas of internal-combustion engine is before row advances atmosphere, give the generating body high temperature side by the heat transfer body that is arranged in the thermo-electric conversion module exhaust passage with the thermal energy transfer of part exhaust, make the generating body high temperature side have higher temperature, the cooling fluid that low temperature side and temperature are lower carries out heat exchange, and temperature is low, therefore, generating body 8 both sides have formed the higher temperature difference, produce electromotive force, output current.In above-mentioned two embodiments, the electric current of generating body 8 outputs directly feeds in the storage battery 6 of automobile, is storage battery 6 chargings.
Though the heat transfer body 7 that is formed by metal polyporous material has been strengthened the heat exchange of generating body 8 high temperature sides, has improved conversion efficiency of thermoelectric, may cause the rising of I. C. engine exhaust back pressure, worsen the working efficiency of internal-combustion engine 10.For this reason, the utility model is by being provided with a shunt structure, when the I. C. engine exhaust back pressure increases, when having influence on its working efficiency, open big by the diverter valve on the arm of not establishing thermo-electric conversion module 3, increase the extraction flow in this arm, the I. C. engine exhaust back pressure is reduced, when the I. C. engine exhaust back pressure reduces, increase the extraction flow in the arm that is provided with thermo-electric conversion module, the I. C. engine exhaust back pressure is improved, thereby guarantee that the I. C. engine exhaust back pressure is in a suitable scope.
The utility model adopts a shunt structure and a thermo-electric conversion module, by diverter valve I. C. engine exhaust is divided into two parts, a part is passed through thermo-electric conversion module, another part does not pass through thermo-electric conversion module, directly enter the exhaust aftertreatment device, diverter valve can be regulated two-part ratio of exhaust, the heat in the I. C. engine exhaust of thermo-electric conversion module of flowing through passes to generating body by the heat transfer body that is formed by metal polyporous material and generates electricity, thereby reaches heat recovery and improve the purpose of working efficiency of internal combustion engine.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the present utility model.
Claims (6)
1. the recycling system of a flow deviding type exhaust heat of internal combustion engine, it is characterized in that, to be positioned at the preceding exhaust manifold for internal combustion engine of preprocessor and be divided into the two-way arm, at least one described arm is provided with diverter valve, described diverter valve carries out aperture control by controller according to the discharge pressure signal from pressure transducer, and described pressure transducer is installed on the described exhaust manifold for internal combustion engine;
Be provided with the generating body that is formed by thermo-electric converting material in any one described arm, described generating body is provided with high temperature side and low temperature side, is formed with the exhaust passage at the generating body high temperature side, and described generating body is connected with power device.
2. the recycling system of flow deviding type exhaust heat of internal combustion engine according to claim 1 is characterized in that, plug is equipped with the heat transfer body that is formed by metal polyporous material in the described exhaust passage.
3. the recycling system of flow deviding type exhaust heat of internal combustion engine according to claim 2, it is characterized in that, described generating body is a cast, and its outer wall forms the generating body low temperature side that contacts with the inwall of corresponding described arm, inwall forms described generating body high temperature side, and plug is equipped with the described heat transfer body that is formed by metal polyporous material in the described exhaust passage that described inwall forms.
4. the recycling system of flow deviding type exhaust heat of internal combustion engine according to claim 2, it is characterized in that, described generating body is a template, this system comprises that at least one has the board-like generating body of central through bore, the central through bore of described board-like generating body forms cooling channels, and the central through bore madial wall of described board-like generating body forms described generating body low temperature side; The exhaust passage is stated in the outer formation of described board-like generating body to some extent, and plug is equipped with the described heat transfer body that is formed by metal polyporous material in the described exhaust passage, and the outer side wall of described board-like generating body forms described generating body high temperature side; Described cooling channels is vertical with described exhaust passage.
5. the recycling system of flow deviding type exhaust heat of internal combustion engine according to claim 1 is characterized in that, described power device is a storage battery.
6. the recycling system of flow deviding type exhaust heat of internal combustion engine according to claim 1 is characterized in that, respectively is provided with a described diverter valve on the described arm of two-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201067298U CN203098005U (en) | 2013-03-08 | 2013-03-08 | Divided-flow type combustor engine exhaust waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201067298U CN203098005U (en) | 2013-03-08 | 2013-03-08 | Divided-flow type combustor engine exhaust waste heat recovery system |
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| CN203098005U true CN203098005U (en) | 2013-07-31 |
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| CN2013201067298U Expired - Fee Related CN203098005U (en) | 2013-03-08 | 2013-03-08 | Divided-flow type combustor engine exhaust waste heat recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133099A (en) * | 2013-03-08 | 2013-06-05 | 天津大学 | Shunting internal combustion engine exhaust waste heat recycling system |
| CN110107384A (en) * | 2019-05-13 | 2019-08-09 | 哈尔滨工程大学 | A kind of energy recovery utilizing system being classified separation output based on low speed machine exhaust energy |
-
2013
- 2013-03-08 CN CN2013201067298U patent/CN203098005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133099A (en) * | 2013-03-08 | 2013-06-05 | 天津大学 | Shunting internal combustion engine exhaust waste heat recycling system |
| CN110107384A (en) * | 2019-05-13 | 2019-08-09 | 哈尔滨工程大学 | A kind of energy recovery utilizing system being classified separation output based on low speed machine exhaust energy |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20180308 |