CN208939848U - Heat recovery apparatus and engine assembly - Google Patents
Heat recovery apparatus and engine assembly Download PDFInfo
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- CN208939848U CN208939848U CN201821396856.5U CN201821396856U CN208939848U CN 208939848 U CN208939848 U CN 208939848U CN 201821396856 U CN201821396856 U CN 201821396856U CN 208939848 U CN208939848 U CN 208939848U
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- heat
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- heat recovery
- recovery apparatus
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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
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Abstract
The utility model relates to heat recovery fields, a kind of heat recovery apparatus and engine assembly are provided, the heat recovery apparatus includes thermo-electric generation portion, cooling end and heat-conducting part, the thermo-electric generation portion includes the cold end for being connected to the cooling end and the hot end for being connected to the heat-conducting part, and the heat-conducting part can be by heat transfer to be recycled to the hot end.Heat recovery apparatus described in the utility model may be disposed at any suitable place for needing to recycle heat, thermo-electric generation portion is generated electricity using thermoelectric power generation principle, it is generated electricity using waste heat, and electric energy is exported outward, it realizes that Waste Heat Recovery utilizes, reduces energy waste, facilitate environmental protection, and the heat for distributing the equipment surface of heat can be taken away by heat-conducting piece, it is cooling to facilitate equipment.
Description
Technical field
The utility model relates to heat recovery field, in particular to a kind of heat recovery apparatus and engine assembly.
Background technique
In tradition, the mechanical efficiency of engine (for example, internal combustion engine) generally only 30%~40%, about 30%~40%
Energy is dissipated in the form of heat with exhaust, leads to a large amount of wastes of energy.It is continuous with automobile fuel consumption and emission regulation
Upgrading, vehicle energy management and heat management it is more and more important.If by the Waste Heat Recovery in exhaust, by the combustion of significant increase vehicle
Expect utilization rate, reduces the whole discharge of vehicle.Also, vehicle is usually vehicle electrical appliance by driven by engine electrical power generators
Part provides electric energy, increases the load of engine, and cause the increase of fuel consumption, influences vehicles dynamic performance.
Thus, it is desirable to have a kind of heat recovery apparatus can overcome or at least mitigate the drawbacks described above of the prior art.
Utility model content
In view of this, the utility model is directed to a kind of heat recovery apparatus, to recycle waste heat.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of heat recovery apparatus, the heat recovery apparatus include thermo-electric generation portion, cooling end and heat-conducting part, the temperature difference hair
Electric portion includes the cold end for being connected to the cooling end and the hot end for being connected to the heat-conducting part, and the heat-conducting part can will be to be recycled
Heat transfer to the hot end.
Further, the thermo-electric generation portion include generator unit and be connected to the generator unit anode and it is negative
Pole, the generator unit include the P-type semiconductor and N-type semiconductor being sequentially connected in series, and the anode is connected to the P-type semiconductor
Head end, the cathode is connected to the tail end of the N-type semiconductor.
Further, the plate-like piece that the P-type semiconductor and the N-type semiconductor are formed as, the generator unit include
Multiple P-type semiconductors and multiple N-type semiconductors, each P-type semiconductor and each N-type semiconductor are along institute
It states the thickness direction of P-type semiconductor and successively arranged crosswise and combines and be formed as rectangular parallelepiped structure.
Further, the power generation is located at along the width direction of the P-type semiconductor, the cold end and the hot end
At the both ends of unit, the adjacent P-type semiconductor is mutually interconnected with the N-type semiconductor by being set to the copper sheet of its end
It connects.
Further, the heat-conducting part is formed as thermal conductive ceramic plate, described in at least part of covering of thermal conductive ceramic plate
Hot end.
Further, the cooling end includes the coolant inlet and cooling of cooling chamber and the connection cooling chamber
Liquid outlet, wherein at least part of covering cold end of cooling chamber.
Further, the heat recovery apparatus includes the following three types one of technical solution or a variety of:
The cooling chamber is formed as U-shaped cavity room, and the coolant inlet and the cooling liquid outlet are located at the U
At the both ends of shape chamber；
Multiple heat exchange fins are provided in the cooling chamber；
Temperature sensing part is provided in the cooling chamber, the temperature sensing part is arranged adjacent to the cooling liquid outlet.
Compared with the existing technology, heat recovery apparatus described in the utility model has the advantage that
Heat recovery apparatus described in the utility model may be disposed at any suitable place for needing to recycle heat, temperature difference hair
Electric portion is generated electricity using thermoelectric power generation principle, is generated electricity using waste heat, and exports electric energy outward, realizes Waste Heat Recovery benefit
With, energy waste is reduced, facilitates environmental protection, and can take away the heat for distributing the equipment surface of heat by heat-conducting piece,
It is cooling to facilitate equipment.
The another object of the utility model is to propose a kind of engine assembly, to recycle the useless of engine generation
Heat.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of engine assembly, the engine assembly are provided with engine, radiator and are returned according to heat described above
Receiving apparatus, the heat-conducting part are installed on the exhaust pipe of the engine.
Further, the engine assembly includes control unit and triple valve, and the triple valve is described including being connected to
The first interface of the cooling liquid outlet of cooling end, the second interface for being connected to the engine and be connected to the radiator
Three interfaces, described control unit can be according to the temperature controls of the coolant liquid in the working condition and the cooling end of the engine
Make the triple valve.
Further, described control unit can be according to the temperature control of the working condition and the coolant liquid of the engine
Make the radiator；And/or the engine assembly further includes the flow control for controlling the flow of the cooling liquid outlet
Part, described control unit can control the flow control member according to the temperature of the coolant liquid in the cooling end.
Possessed advantage is identical compared with the existing technology with above-mentioned heat recovery apparatus for the engine assembly, herein no longer
It repeats.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the schematic diagram of the heat recovery apparatus according to a kind of embodiment of the utility model；
Fig. 2 is the front view of heat recovery apparatus shown in FIG. 1；
Fig. 3 is the side view of heat recovery apparatus shown in Fig. 2；
Fig. 4 is cross-sectional view of the heat recovery apparatus shown in Fig. 2 along hatching A-A；
Fig. 5 is the schematic diagram according to a kind of engine assembly of embodiment of the utility model.
Description of symbols:
1- exhaust pipe, 2- thermo-electric generation portion, 21- anode, 22- cathode, 23- copper sheet, 24-P type semiconductor, 25-N type are partly led
Body, 3- cooling end, 31- coolant inlet, 32- cooling liquid outlet, 33- cooling chamber, 34- heat exchange fin, 35- temperature sensing
Part, 4- heat-conducting part, 5- mounting base, 6- radiator, 7- engine, 8- triple valve, 81- first interface, 82- second interface, 83-
Three interfaces, 9- electronic water pump.
Specific embodiment
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
One aspect according to the present utility model provides a kind of heat recovery apparatus, referring to Fig. 1, the heat recovery apparatus packet
Thermo-electric generation portion 2, cooling end 3 and heat-conducting part 4 are included, thermo-electric generation portion 2 includes being connected to the cold end of cooling end 3 and being connected to thermally conductive
The hot end in portion 4, heat-conducting part 4 can be by heat transfers to be recycled to the hot end.
Above-mentioned heat recovery apparatus may be disposed at any suitable place for needing to recycle heat, and thermo-electric generation portion 2 utilizes temperature
Poor electricity generating principle generates electricity, and is generated electricity using waste heat, and exports electric energy outward, realizes that Waste Heat Recovery utilizes, reduces the energy
Waste, facilitates environmental protection, and can take away the heat for distributing the equipment surface of heat by heat-conducting piece 4, facilitates equipment
It is cooling.
The temperature difference between the cold and hot end in thermo-electric generation portion 2 can make appropriate choice according to the actual situation, for example,
When applied in vehicle, the voltage as needed for the electricity consumption device on vehicle is 12V, and the preferably temperature difference between cold and hot end is big
In 200 degrees Celsius, to provide the electric energy of meet demand.
The structure in thermo-electric generation portion 2 can select any suitable structure according to the actual situation, can be using thermo-electric generation
It can.Preferably, thermo-electric generation portion 2 includes generator unit and is connected to the anode 21 and cathode 22 of the generator unit, described
Generator unit includes the P-type semiconductor 24 and N-type semiconductor 25 being sequentially connected in series, and anode 21 is connected to the head end of P-type semiconductor 24,
Cathode 22 is connected to the tail end of N-type semiconductor 25, and structure is simple, and stability is high.
It is further preferred that referring to fig. 2, the plate-like piece that P-type semiconductor 24 and N-type semiconductor 25 are formed as, the power generation
Unit includes multiple P-type semiconductors 24 and multiple N-type semiconductors 25, and each P-type semiconductor 24 and each N-type semiconductor 25 are along P
The thickness direction of type semiconductor 24 successively arranged crosswise and combine be formed as rectangular parallelepiped structure.Multiple P-type semiconductors 24 and N-type half
Conductor 25 can be improved the generating capacity of generator unit, particular number can the voltage according to needed for application operating condition selected,
And be formed as plate-like piece P-type semiconductor 24 and N-type semiconductor 25 it is cross layered arrangement but also the structure of generator unit more
It is compact, arrangement space needed for reducing heat recovery apparatus.
Preferably, the generator unit is located at along the width direction of P-type semiconductor 24, the cold end and the hot end
Both ends at, adjacent P-type semiconductor 24 and N-type semiconductor 25 are connected with each other by being set to the copper sheet 23 of its end.Subtract
The thickness of small heat recovery apparatus, convenient for its arrangement, adjacent P-type semiconductor 24 and N-type semiconductor 25 are by being set to its end
The copper sheet 23 at place, copper sheet 23 can either be conductive, additionally it is possible to and it is thermally conductive, reduce thermal loss.
The structure and material of heat-conducting part 4 can make appropriate choice according to actual needs, it is preferable that heat-conducting part 4 is formed as
Thermal conductive ceramic plate, at least part of covering hot end of thermal conductive ceramic plate, thermal conductive ceramic plate surface temperature is uniform, Neng Gouwei
The hot end in thermo-electric generation portion 2 provides stable hot conditions.
Preferably, cooling end 3 includes cooling chamber 33 and the coolant inlet 31 and coolant liquid for being connected to cooling chamber 33
Outlet 32, wherein at least part of covering cold end of cooling chamber 33.Pass through the cooling in the cooling chamber 33 of cooling end 3
Circulating for liquid constantly takes away heat, provides stable cryogenic conditions for the cold end in thermo-electric generation portion 2.
Preferably, cooling chamber 33 is formed as U-shaped cavity room, and coolant inlet 31 and cooling liquid outlet 32 are located at described
At the both ends of U-shaped chamber, extend the circulation path of fluid liquid, improves cooling effect.It is further preferred that being set in cooling chamber 33
Multiple heat exchange fins 34 are equipped with, increases heat exchange area, further improves cooling effect.
Preferably, temperature sensing part 35 is provided in cooling chamber 33, temperature sensing part 35 is adjacent to 32 cloth of cooling liquid outlet
It sets, the temperature of real-time detection coolant liquid, and the ginseng such as temperature, flow, flow velocity of coolant liquid is accordingly adjusted according to the temperature of coolant liquid
Number, so that the cold end in thermo-electric generation portion 2 keeps stable low-temperature condition.
Other side according to the present utility model, provides a kind of engine assembly, and the engine assembly is provided with hair
Motivation 7, radiator 6 and according to heat recovery apparatus described above, heat-conducting part 4 are installed on the exhaust pipe 1 of engine 7, temperature difference hair
Electric portion 2 can using engine 7 it is multiple rows of go out the heat of high-temperature gas generate electricity, and by the electricity consumption in power output to vehicle
Device avoids energy loss, reduces the load of engine 7, saving fuel oil.
Preferably, it is provided with mounting base 5, on exhaust pipe 1 in order to the mounting arrangements of heat recovery apparatus.
Preferably, the engine assembly includes control unit and triple valve 8, and triple valve 8 includes being connected to cooling end 3
The first interface 81 of cooling liquid outlet 32, the second interface 82 for being connected to engine 7 and the third interface for being connected to radiator 6
83, described control unit can control triple valve 8 according to the temperature of the coolant liquid in the working condition and cooling end 3 of engine 7,
Radiator 6 can cool down the coolant liquid of 3 internal circulation flow of cooling end, and the coolant liquid in cooling end 3 can be same as starting
The warming-up of machine startup stage, so that waste heat is further utilized.
Specifically, control unit controls threeway according to the temperature of the coolant liquid in the working condition and cooling end 3 of engine 7
Valve 8, specific as follows:
When engine 7 is in cold-start phase, 7 water temperature of engine is low, is sensed in cooling end 3 by temperature sensing part 35
The temperature of coolant liquid, if being higher than the water temperature of engine 7, first interface 81 and second interface 82 are connected, and exhaust heat is used to give
Engine 7 heats, and accelerates warming-up speed；
When engine 7 is in normal work stage, first interface 81 and third interface 83 are connected, according to thermo-electric generation portion 2
Cold end temperature requirements, adjust the parameters such as operational efficiency, coolant rate of radiator 6, mentioned for the cold end in thermo-electric generation portion 2
For stable temperature environment.
Since in use, the heat of the different waste heat come out of the working condition of engine 7 is also different, and
Environment temperature can also have an impact radiating requirements, it is preferable that described control unit can according to the working condition of engine 7 and
The temperature of the coolant liquid controls radiator 6, for example, increasing fan duty ratio etc., to improve cooling efficiency, avoids coolant liquid temperature
Height is spent, cooling effect is influenced.
It is further preferred that the engine assembly further includes the flow control for controlling the flow of cooling liquid outlet 32
Part, described control unit can control the flow control member according to the temperature of the coolant liquid in cooling end 3, according to coolant liquid
Temperature the flow of coolant liquid is adjusted flexibly, enable cooling end 3 to be that thermo-electric generation portion 2 provides the temperature condition of temperature, subtract
Small voltage fluctuations.Referring to Fig. 5, in the shown embodiment, the flow of coolant liquid is controlled by electronic water pump 9, by water pump and stream
Amount control piece integrates, and water pump and control can also be separately provided in case of need in the structure for simplifying engine assembly
The flow control member appropriate such as valve.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (10)
1. a kind of heat recovery apparatus, which is characterized in that the heat recovery apparatus includes thermo-electric generation portion (2), cooling end (3) and leads
Hot portion (4), the thermo-electric generation portion (2) include being connected to the cold end of the cooling end (3) and being connected to the heat-conducting part (4)
Hot end, the heat-conducting part (4) can be by heat transfers to be recycled to the hot end.
2. heat recovery apparatus according to claim 1, which is characterized in that the thermo-electric generation portion (2) includes generator unit
And it is connected to the anode (21) and cathode (22) of the generator unit, the generator unit includes that the p-type being sequentially connected in series partly is led
Body (24) and N-type semiconductor (25), the anode (21) are connected to the head end of the P-type semiconductor (24), the cathode (22)
It is connected to the tail end of the N-type semiconductor (25).
3. heat recovery apparatus according to claim 2, which is characterized in that the P-type semiconductor (24) and the N-type are partly led
The plate-like piece that body (25) is formed as, the generator unit include multiple P-type semiconductors (24) and multiple N-type semiconductors
(25), the thickness side of each P-type semiconductor (24) and each N-type semiconductor (25) along the P-type semiconductor (24)
To successively arranged crosswise and combination is formed as rectangular parallelepiped structure.
4. heat recovery apparatus according to claim 3, which is characterized in that the width direction along the P-type semiconductor (24),
The cold end and the hot end are located at the both ends of the generator unit, the adjacent P-type semiconductor (24) and the N
Type semiconductor (25) is connected with each other by being set to the copper sheet (23) of its end.
5. heat recovery apparatus described in any one of -4 according to claim 1, which is characterized in that the heat-conducting part (4) is formed
For thermal conductive ceramic plate, at least part of covering hot end of thermal conductive ceramic plate.
6. heat recovery apparatus described in any one of -4 according to claim 1, which is characterized in that the cooling end (3) includes
The coolant inlet (31) and cooling liquid outlet (32) of cooling chamber (33) and the connection cooling chamber (33), wherein institute
State at least part of covering cold end of cooling chamber (33).
7. heat recovery apparatus according to claim 6, which is characterized in that the heat recovery apparatus includes the following three types technology
One of scheme is a variety of:
The cooling chamber (33) is formed as U-shaped cavity room, and the coolant inlet (31) and the cooling liquid outlet (32) are respectively
At the both ends of the U-shaped cavity room；
Multiple heat exchange fins (34) are provided in the cooling chamber (33)；
It is provided with temperature sensing part (35) in the cooling chamber (33), the neighbouring coolant liquid of the temperature sensing part (35) goes out
Mouth (32) arrangement.
8. a kind of engine assembly, which is characterized in that the engine assembly be provided with engine (7), radiator (6) and according to
Heat recovery apparatus described in any one of claim 1-7, the heat-conducting part (4) are installed on the exhaust of the engine (7)
It manages (1).
9. engine assembly according to claim 8, which is characterized in that the engine assembly includes control unit and three
Port valve (8), the triple valve (8) include the first interface (81) for being connected to the cooling liquid outlet (32) of the cooling end (3), connect
It is connected to the second interface (82) of the engine (7) and is connected to the third interface (83) of the radiator (6), the control is single
Member can control the threeway according to the temperature of the coolant liquid in the working condition and the cooling end (3) of the engine (7)
Valve (8).
10. engine assembly according to claim 9, which is characterized in that
Described control unit can control the heat dissipation according to the working condition of the engine (7) and the temperature of the coolant liquid
Device (6)；And/or
The engine assembly further includes the flow control member for controlling the flow of the cooling liquid outlet (32), the control
Unit can control the flow control member according to the temperature of the coolant liquid in the cooling end (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396856.5U CN208939848U (en) | 2018-08-28 | 2018-08-28 | Heat recovery apparatus and engine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396856.5U CN208939848U (en) | 2018-08-28 | 2018-08-28 | Heat recovery apparatus and engine assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939848U true CN208939848U (en) | 2019-06-04 |
Family
ID=66719140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821396856.5U Active CN208939848U (en) | 2018-08-28 | 2018-08-28 | Heat recovery apparatus and engine assembly |
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| Country | Link |
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| CN (1) | CN208939848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306621A (en) * | 2019-06-27 | 2019-10-08 | 三一重机有限公司 | Engine energy-saving cooling system and excavator |
| CN112343701A (en) * | 2020-12-07 | 2021-02-09 | 谢石军 | Energy-saving emission-reducing adsorption device |
-
2018
- 2018-08-28 CN CN201821396856.5U patent/CN208939848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306621A (en) * | 2019-06-27 | 2019-10-08 | 三一重机有限公司 | Engine energy-saving cooling system and excavator |
| CN112343701A (en) * | 2020-12-07 | 2021-02-09 | 谢石军 | Energy-saving emission-reducing adsorption device |
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