Energy comprehensive utilization system
阅读说明:本技术 能源综合利用系统 (Energy comprehensive utilization system ) 是由 胡松 杨福源 孙进伟 杨明烨 *** 李建秋 徐梁飞 于 2020-04-21 设计创作,主要内容包括:本申请涉及一种能源综合利用系统。能源综合利用系统包括第一换热器、第二换热器和第三换热器。从冷却液出口流出的冷却液通过第一换热器与空气增压装置流出的空气进行热交换,实现对空气温度的调节。从第一换热器流出来的冷却液进入第二换热器,实现对驾驶室温度的调节。从第二换热器出来的冷却液进入第三换热器,用于与氢气换热,同时实现冷却液的降温和氢气的升温。能源综合利用系统通过第一换热器、第二换热器和第三换热器,实现了冷却液、空气和氢气之间能量的调配。能源综合利用系统还实现了对驾驶室温度的调节,进而实现燃料电池汽车内部能量的综合利用。(The application relates to an energy comprehensive utilization system. The energy comprehensive utilization system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger. The cooling liquid flowing out of the cooling liquid outlet exchanges heat with air flowing out of the air supercharging device through the first heat exchanger, and the air temperature is adjusted. And the cooling liquid flowing out of the first heat exchanger enters the second heat exchanger to realize the adjustment of the temperature of the cab. And the cooling liquid coming out of the second heat exchanger enters a third heat exchanger for exchanging heat with the hydrogen, and meanwhile, the cooling of the cooling liquid and the heating of the hydrogen are realized. The energy comprehensive utilization system realizes the allocation of energy among cooling liquid, air and hydrogen through the first heat exchanger, the second heat exchanger and the third heat exchanger. The comprehensive energy utilization system also realizes the regulation of the temperature of the cab, thereby realizing the comprehensive utilization of the internal energy of the fuel cell automobile.)
1. An energy comprehensive utilization system, comprising:
a first heat exchanger (210) comprising a first inlet (211), a second inlet (212), a first outlet (213) and a second outlet (214), the first inlet (211) being adapted to be connected to the coolant outlet (111) of the fuel cell stack (110), the second inlet (212) being adapted to be connected to the air charging device (200), the second outlet (214) being adapted to be connected to the air inlet (112) of the fuel cell stack (110);
a second heat exchanger (220) comprising a third inlet (221), a fourth inlet (222), a third outlet (223) and a fourth outlet (224), the third inlet (221) being connected to the first outlet (213), the fourth inlet (222) being adapted to be connected to a first blower (120), the fourth outlet (224) being adapted to warm the cabin or cabin (101);
the third heat exchanger (230) comprises a fifth inlet (231), a sixth inlet (232), a fifth outlet (233) and a sixth outlet (234), the fifth inlet (231) is connected with the third outlet (223), the fifth outlet (233) is used for being connected with a cooling liquid inlet (113) of the fuel cell stack (110), the sixth inlet (232) is used for being connected with a hydrogen source (102), and the sixth outlet (234) is used for being connected with a hydrogen inlet (114) of the fuel cell stack (110).
2. The energy complex utilization system according to claim 1, further comprising:
a first pipeline (310), wherein one end of the first pipeline (310) is connected with the fifth outlet (233), and the other end of the first pipeline (310) is used for being connected with the cooling liquid inlet (113);
a first valve (320) comprising a first valve inlet (321), a first valve outlet (322) and a second valve outlet (323), the first valve inlet (321) being connected to the first outlet (213), the first valve outlet (322) being connected to the third inlet (221);
a second pipeline (330), one end of the second pipeline (330) is connected with the second valve outlet (323), and the other end of the second pipeline (330) is connected with the first junction (331) of the first pipeline (310).
3. The energy complex utilization system according to claim 2, further comprising:
a second valve (410) comprising a second valve inlet (411), a third valve outlet (412), and a fourth valve outlet (413), the second valve inlet (411) being connected to the third outlet (223), the third valve outlet (412) being connected to the fifth inlet (231);
and the third valve (420) comprises a third valve inlet (421), a fourth valve inlet (422) and a fifth valve outlet (423), the third valve inlet (421) is connected with the fourth valve outlet (413), the fourth valve inlet (422) is connected with the fifth outlet (233), and the fifth valve outlet (423) is used for being connected with the cooling liquid inlet (113).
4. The energy complex utilization system according to claim 3, further comprising:
a coolant storage device (510) disposed in the first pipeline (310) and connected between the fifth valve outlet (423) and the first junction (331).
5. The energy complex utilization system according to claim 4, further comprising:
the first power device (520) is arranged on the first pipeline (310), and the first power device (520) is used for being connected between the first junction (331) and the cooling liquid inlet (113).
6. The energy complex utilization system according to claim 5, further comprising:
the first heating device (530) is arranged on the first pipeline (310), and the first heating device (530) is used for being connected between the first power device (520) and the cooling liquid inlet (113).
7. The energy complex utilization system according to claim 1, further comprising:
a fourth heat exchanger (610) comprising a seventh inlet (611), an eighth inlet (612), a seventh outlet (613) and an eighth outlet (614), the seventh inlet (611) being adapted to be connected to a hydrogen source (102), the eighth inlet (612) being adapted to be connected to a second blower (130), the seventh outlet (613) being adapted to be connected to the sixth inlet (232), the eighth outlet (614) being adapted to cool the cabin or cabin (101).
8. The integrated energy utilization system according to claim 7, further comprising:
a fourth valve (620) comprising a fifth valve inlet (621), a seventh valve outlet (622) and a first port (623), the fifth valve inlet (621) being connected to the seventh outlet (613), the seventh valve outlet (622) being connected to the sixth inlet (232);
a fifth valve (630) comprising a sixth valve inlet (631), a seventh valve inlet (632), and an eighth valve outlet (633), the sixth valve inlet (631) being connected to the sixth outlet (234), the eighth valve outlet (633) being for connection to the hydrogen inlet (114), the seventh valve inlet (632) being connected to the first port (623).
9. The integrated energy utilization system according to claim 8, further comprising:
a sixth valve (640) comprising an eighth valve inlet (641), a ninth valve outlet (642), and a tenth valve outlet (643), the eighth valve inlet (641) for connecting with a hydrogen source (102), the ninth valve outlet (642) with the seventh inlet (611);
a seventh valve (650) including a ninth valve inlet (651), a second port (652) and a third port (653), the ninth valve inlet (651) being connected to the tenth valve outlet (643), the second port (652) being connected to the first port (623), the third port (653) being connected to the seventh valve inlet (632).
10. The integrated energy utilization system according to claim 8, further comprising:
a temperature control tank (140) for connecting between the hydrogen inlet (114) and the eighth valve outlet (633).
11. The integrated energy utilization system according to claim 10, further comprising:
air conditioning system (810), including cold wind import (811), hot-blast import (812), mouth of blowing (813) and air exit (814), cold wind import (811) with eighth export (614) intercommunication, hot-blast import (812) with third export (223) intercommunication, mouth of blowing (813) be used for to the driver's cabin air supply, air exit (814) are used for communicating with external environment.
Technical Field
The application relates to the technical field of new energy, in particular to an energy comprehensive utilization system.
Background
Energy exhaustion and environmental pollution caused by fossil energy consumption are becoming serious, and large-scale development and utilization of renewable energy are imperative. Hydrogen is an effective way of storing energy: the electric energy is converted into chemical energy to be stored in the hydrogen during the power generation peak period of the renewable energy source, and the energy carried by the hydrogen is converted into the electric energy again for use through the fuel cell during the power utilization peak period. The hydrogen fuel cell automobile has the characteristics of zero emission, no pollution and high efficiency, and is a new energy automobile with great potential.
When the hydrogen fuel cell engine is matched with a liquid hydrogen or high-pressure hydrogen system, the liquid hydrogen or the high-pressure hydrogen needs to be decompressed, vaporized or heated to about 50 ℃ before entering the fuel cell stack, and a large amount of heat needs to be absorbed in the process. The fuel cell stack can produce a large amount of waste heat in the course of working, adopt coolant liquid to dispel the heat to the stack usually to make the inside temperature of stack be in efficient operating temperature within range all the time. In order to ensure the power of the fuel cell stack, air entering the stack needs to be pressurized, the air temperature can be raised after the air is compressed by adopting a pressurizing device such as an air blower and the like, and the air is cooled before the compressed air enters the stack, so that the air inlet density can be increased, and the temperature of the air can meet the requirement before the air enters the stack. In addition, in order to ensure the comfort of the driver and passengers in the cab and the cabin, an air conditioning system is needed to keep the temperature in the cab and the cabin within a certain range, the temperature of the air in the cab and the cabin is increased when the weather is cold, and the temperature of the air in the cab or the cabin is decreased when the weather is hot. Therefore, how to realize the comprehensive utilization of the internal energy of the fuel cell automobile is a problem to be solved urgently.
Disclosure of Invention
In view of the above, it is necessary to provide an energy comprehensive utilization system for solving the problem of how to comprehensively utilize the internal energy of a fuel cell vehicle.
An energy comprehensive utilization system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger. The first heat exchanger includes a first inlet, a second inlet, a first outlet, and a second outlet. The first inlet is used for being connected with a cooling liquid outlet of the fuel cell stack. The second inlet is used for being connected with an air supercharging device. The second outlet is used for being connected with an air inlet of the fuel cell stack. The second heat exchanger includes a third inlet, a fourth inlet, a third outlet, and a fourth outlet. The third inlet is connected to the first outlet. The fourth inlet is used for being connected with the first air blower. The fourth outlet is used for heating the cab or the cabin.
The third heat exchanger includes a fifth inlet, a sixth inlet, a fifth outlet, and a sixth outlet. The fifth inlet is connected to the third outlet. And the fifth outlet is used for being connected with a cooling liquid inlet of the fuel cell stack. The sixth inlet is used for being connected with a hydrogen source. The sixth outlet is used for being connected with a hydrogen inlet of the fuel cell stack.
In one embodiment, the energy source comprehensive utilization system further comprises a first pipeline, a first valve and a second pipeline. One end of the first pipeline is connected with the fifth outlet. The other end of the first pipeline is used for being connected with the cooling liquid inlet. The first valve includes a first valve inlet, a first valve outlet, and a second valve outlet. The first valve inlet is connected to the first outlet. The first valve outlet is connected with the third inlet. One end of the second pipeline is connected with the outlet of the second valve. The other end of the second pipeline is connected with a first junction of the first pipeline.
In one embodiment, the energy complex further comprises a second valve and a third valve. The second valve includes a second valve inlet, a third valve outlet, and a fourth valve outlet. The second valve inlet is connected to the third outlet. The third valve outlet is connected to the fifth inlet. The third valve includes a third valve inlet, a fourth valve inlet, and a fifth valve outlet. The third valve inlet is connected to the fourth valve outlet. The fourth valve inlet is connected with the fifth outlet. And the outlet of the fifth valve is connected with the cooling liquid inlet.
In one embodiment, the energy complex further comprises a coolant storage device. The cooling liquid storage device is arranged on the first pipeline and connected between the outlet of the fifth valve and the first junction point.
In one embodiment, the energy complex utilizing system further comprises a first power device. The first power device is arranged on the first pipeline and used for being connected between the first intersection point and the cooling liquid inlet.
In one embodiment, the energy source complex utilization system further comprises a first heating device. The first heating device is arranged on the first pipeline and is used for being connected between the first power device and the cooling liquid inlet.
In one embodiment, the energy source complex utilization system further comprises a fourth heat exchanger. The fourth heat exchanger includes a seventh inlet, an eighth inlet, a seventh outlet, and an eighth outlet. The seventh inlet is used for being connected with a hydrogen source. The eighth inlet is for connection with a second blower. The seventh outlet is connected to the sixth inlet. And the eighth outlet is used for cooling the cab or the cabin.
In one embodiment, the energy complex further comprises a fourth valve and a fifth valve. The fourth valve includes a fifth valve inlet, a seventh valve outlet, and a first port. The fifth valve inlet is connected with the seventh outlet. And the outlet of the seventh valve is connected with the sixth inlet. The fifth valve includes a sixth valve inlet, a seventh valve inlet, and an eighth valve outlet. The sixth valve inlet is connected to the sixth outlet. And the outlet of the eighth valve is used for connecting the hydrogen inlet. The seventh valve inlet is connected to the first port.
In one embodiment, the energy complex further comprises a sixth valve and a seventh valve. The sixth valve includes an eighth valve inlet, a ninth valve outlet, and a tenth valve outlet. The eighth valve inlet is used for being connected with a hydrogen source. The ninth valve outlet is in communication with the seventh inlet. The seventh valve includes a ninth valve inlet, a second port, and a third port. The ninth valve inlet is connected to the tenth valve outlet. The second port is in communication with the first port. The third port is connected to the seventh valve inlet.
In one embodiment, the energy comprehensive utilization system further comprises a temperature control box. And the temperature control box is used for being connected between the hydrogen inlet and the eighth valve outlet.
In one embodiment, the energy source comprehensive utilization system further comprises the air conditioning system. The air conditioning system comprises a cold air inlet, a hot air inlet, a blowing port and an air outlet. The cold air inlet is communicated with the eighth outlet. The hot air inlet is communicated with the third outlet. The air blowing port is used for blowing air to the cab or the cabin. The air outlet is used for being communicated with the external environment.
The energy comprehensive utilization system that this application embodiment provided includes first heat exchanger the second heat exchanger with the third heat exchanger, the coolant liquid export the air supercharging device with air intlet respectively with first heat exchanger is connected. And the cooling liquid flowing out of the cooling liquid outlet exchanges heat with the air flowing out of the air supercharging device through the first heat exchanger, so that the air temperature is adjusted. And the cooling liquid flowing out of the first heat exchanger enters the second heat exchanger to realize the adjustment of the temperature of the cab. And the cooling liquid from the second heat exchanger enters the third heat exchanger for exchanging heat with hydrogen, and meanwhile, the cooling of the cooling liquid and the heating of the hydrogen are realized. The energy comprehensive utilization system realizes the allocation of energy among cooling liquid, air and hydrogen through the first heat exchanger, the second heat exchanger and the third heat exchanger. The comprehensive energy utilization system also realizes the regulation of the temperature of the cab, thereby realizing the comprehensive utilization of the internal energy of the fuel cell automobile.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the energy comprehensive utilization system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of the energy comprehensive utilization system provided in another embodiment of the present application;
fig. 3 is a schematic structural diagram of the energy comprehensive utilization system provided in another embodiment of the present application;
fig. 4 is a schematic structural diagram of the energy comprehensive utilization system provided in another embodiment of the present application;
fig. 5 is a schematic structural diagram of the energy comprehensive utilization system provided in another embodiment of the present application;
fig. 6 is a schematic structural diagram of the energy comprehensive utilization system provided in another embodiment of the present application.
Reference numerals:
energy
Cooling
Temperature control box 140
The
Cooling
Fourth valve 620
Fifth valve inlet 621
Seventh valve outlet 622
First port 623
Fifth valve 630
Sixth valve inlet 631
Seventh valve inlet 632
Eighth valve outlet 633
Sixth valve 640
Eighth valve inlet 641
Ninth valve outlet 642
Tenth valve outlet 643
Seventh valve 650
Ninth valve inlet 651
Second port 652
Third port 653
Air blowing opening 813
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.
The numbering of the components as such, e.g., "first", "second", etc., is used herein for the purpose of describing the objects only, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, an energy
The
The energy
The
The
In one embodiment, the
The air inlet of the
In one embodiment, the
Air enters the
In one embodiment, the coolant with higher temperature flows into the
In one embodiment, the cooling liquid is a liquid with a low condensation point and a large heat capacity, and may be ethylene glycol antifreeze liquid.
In one embodiment, the temperature of the coolant exiting the
The
Referring also to fig. 2, in one embodiment, the integrated
The
In one embodiment, when the temperature of the coolant exiting from the
In one embodiment, when the cab or
In one embodiment, the
The
In one embodiment, the integrated
The
Referring also to fig. 3, in one embodiment, the integrated
In one embodiment, the integrated
When the temperature of the cooling fluid is low, the
During the operation of the integrated
When the temperature of the cooling water is high and needs to be reduced, but the temperature of the cab or the
Referring also to fig. 4, in one embodiment, the integrated
The
When the cab or the
Referring also to fig. 5, in one embodiment, the energy source
The fourth valve 620 includes a fifth valve inlet 621, a seventh valve outlet 622, and a first port 623. The fifth valve inlet 621 is connected to the
The fifth valve 630 includes a sixth valve inlet 631, a seventh valve inlet 632, and an eighth valve outlet 633. The sixth valve inlet 631 is connected to the
The fourth valve 620 is a three-way proportional control valve.
When the cooling liquid does not need to flow through the
Referring also to fig. 6, in one embodiment, the energy source
In normal conditions, the eighth valve inlet 641 is in communication with the ninth valve outlet 642. The tenth valve outlet 643 is closed. The fifth valve inlet 621 and the seventh valve outlet 622 are in communication. The first port 623 is closed. The sixth valve inlet 631 and the eighth valve outlet 633 are in communication. The seventh valve inlet 632 is closed.
When the
When the cooling liquid does not need to be cooled down by the
A temperature and pressure sensor is disposed between the solenoid valve and the eighth valve inlet 641 for monitoring the temperature and pressure of the hydrogen gas at the eighth valve inlet 641.
In one embodiment, the integrated
In one embodiment, the integrated
In one embodiment, the integrated
In one embodiment, the integrated
The temperature control box 140 has a heater with adjustable power therein, and is used for controlling the temperature of the hydrogen in the temperature control box 140.
In one embodiment, valves are respectively connected to two sides of the temperature control box 140. The valve between the eighth valve outlet 633 and the temperature control box 140 is used to control the hydrogen flow rate flowing into the temperature control box 140, thereby controlling the pressure in the temperature control box 140.
The opening of the valve between the temperature control tank 140 and the
In one embodiment, the thermal control box 140 is connected to a temperature and pressure sensor for monitoring temperature and pressure.
In one embodiment, the integrated
In one embodiment, the integrated
In one embodiment, the integrated
In one embodiment, the integrated
In one embodiment, the integrated
The
Besides, the
When the hot air supplied by the
When the surface of the
The energy
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
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