CN114961943A - Light-emitting exhaust device based on exhaust thermoelectric power generation and light-emitting control method - Google Patents
Light-emitting exhaust device based on exhaust thermoelectric power generation and light-emitting control method Download PDFInfo
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- CN114961943A CN114961943A CN202210615941.0A CN202210615941A CN114961943A CN 114961943 A CN114961943 A CN 114961943A CN 202210615941 A CN202210615941 A CN 202210615941A CN 114961943 A CN114961943 A CN 114961943A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 230000003584 silencer Effects 0.000 claims abstract description 14
- 239000003086 colorant Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 44
- 239000000498 cooling water Substances 0.000 claims description 22
- 239000011229 interlayer Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000007789 gas Substances 0.000 abstract description 10
- 239000002918 waste heat Substances 0.000 abstract description 8
- 239000002912 waste gas Substances 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 41
- 239000000463 material Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910002665 PbTe Inorganic materials 0.000 description 1
- 230000005678 Seebeck effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
- F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
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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
- H02N11/002—Generators
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The application discloses luminous exhaust apparatus and luminous control method based on exhaust thermoelectric generation relates to tail gas energy recovery and utilizes technical field, and it includes: a rear muffler; the temperature difference power generation module comprises a hot end, a cold end and a current collection layer, wherein the hot end and the cold end are respectively attached to the upper surface and the lower surface of the rear silencer, and the current collection layer is used for generating a voltage signal according to the temperature difference between the hot end and the cold end; the controller is used for receiving the voltage signal and generating a first light control signal corresponding to the color according to the voltage signal; and the air inlet of the tail pipe is communicated with the rear silencer, and a light-emitting lamp group is sleeved on the tail pipe and used for displaying light with corresponding colors according to the first light control signal. The luminous exhaust device and the luminous control method can recover partial waste heat of the engine waste gas to generate electricity, can enable sound waves at the pipe opening of the exhaust tail pipe and light of the luminous lamp group to achieve the effect of sound and light combination, and can achieve the effect of strengthening prompt for drivers of the following vehicles.
Description
Technical Field
The application relates to the technical field of tail gas energy recycling, in particular to a light-emitting exhaust device based on exhaust thermoelectric power generation and a light-emitting control method.
Background
At present, when an automobile engine works, a small part of fossil energy of fuel oil is used for driving an automobile to run, and most of fossil energy is discharged into air along with tail gas in a heat energy mode, so that huge energy waste is caused. How to reduce the waste of fossil energy is a valuable method to be explored by directly utilizing the heat energy in the tail gas to convert the heat energy into other forms of energy besides improving the combustion heat efficiency of the engine, wherein the conversion of the heat energy into electric energy through thermoelectric materials is a mature and feasible way.
In the related art, engine exhaust gas is subjected to noise reduction treatment through an exhaust system muffler and is discharged out along with a tail pipe port, and a tail pipe of an exhaust system is usually hidden in a rear bumper of an automobile or fixed on the rear bumper to expose the tail pipe port. However, the tail pipe has a single appearance and simple function, is only used as a channel for discharging waste gas, and enables people outside the automobile to intuitively feel the dynamic property of the engine through pipe orifice noise. In addition, when a general automobile is running, except that the light of the brake lamp can remind and warn, the automobile does not have other light which can prompt or warn a vehicle behind, and the individual driving requirements of a driver cannot be met.
Disclosure of Invention
Aiming at one of the defects in the prior art, the application aims to provide a luminous exhaust device based on exhaust thermoelectric power generation and a luminous control method so as to solve the problems that in the related art, the tail pipe is simple in function, and an automobile has no other light except a brake lamp and can prompt or warn a rear vehicle.
The application provides a luminous exhaust apparatus based on exhaust thermoelectric generation, it includes:
a rear muffler;
the temperature difference power generation module comprises a hot end, a cold end and a current collection layer which are sequentially connected in series, wherein the hot end and the cold end are respectively attached to the upper surface and the lower surface of the rear silencer, and the current collection layer is used for generating a voltage signal according to the temperature difference between the hot end and the cold end;
the controller is used for receiving the voltage signal, generating a first light control signal with a corresponding color according to the voltage signal, and sending the first light control signal to the light-emitting lamp group;
and the tail pipe is sleeved with the light-emitting lamp group which is used for receiving the first light control signal and displaying light with corresponding colors according to the first light control signal.
In some embodiments, a cooling water interlayer is further disposed between the lower surface and the cold end of the rear muffler, a drain hole is correspondingly formed in one side, away from the tail pipe, of the lower surface of the rear muffler and the cooling water interlayer, and a water outlet hole is formed in one side, close to the tail pipe, of the cooling water interlayer.
In some embodiments, the tail pipe is sleeved with a decorative cover, and the light emitting lamp set is disposed in the accommodating space between the tail pipe and the decorative cover.
In some embodiments, the light emitting lamp set includes a plurality of light emitting diodes and a bracket connecting adjacent light emitting diodes.
In some embodiments, the controller is further configured to determine a preset interval in which the voltage signal is located, where the preset interval includes a first preset interval and a second preset interval that are consecutive;
the left end value of the first preset interval is as follows: under the idle working condition, the current collecting layer generates a first voltage signal according to the temperature difference between the hot end and the cold end;
the right end value of the first preset interval and the left end value of the second preset interval are both: under the condition of 50% of accelerator, the current collecting layer generates a second voltage signal according to the temperature difference between the hot end and the cold end;
the right end value of the second preset interval is as follows: under the full throttle state, the current collecting layer generates a third voltage signal according to the temperature difference between the hot end and the cold end;
when the voltage signal generated by the collector layer is equal to the second voltage signal, the controller is used for judging that the voltage signal is in a first preset interval.
In some embodiments, when the controller determines that the voltage signal is in a first preset interval, the controller is configured to generate a first light control signal corresponding to a first color; and when the controller judges that the voltage signal is in a second preset interval, the controller is used for generating a first light control signal corresponding to a second color.
In some embodiments, the controller is further configured to obtain an accelerator opening degree, and generate a second light control signal with brightness corresponding to the accelerator opening degree;
the light-emitting lamp group is also used for receiving the second light control signal and displaying light with corresponding brightness according to the second light control signal.
In some embodiments, the hot end, the cold end and the collector layer are connected with each other through high temperature resistant conducting wires.
In some embodiments, a power transmission interface connected to the controller is disposed on the collector layer.
The second aspect of the present application provides a light emission control method based on the above light emission exhaust device, which includes the steps of:
when tail gas is generated, the current collecting layer generates a voltage signal according to the temperature difference between the hot end and the cold end and sends the voltage signal to the controller;
when the controller receives the voltage signal, a first light control signal of a corresponding color is generated according to the voltage signal, and the first light control signal is sent to the light-emitting lamp group;
and the light-emitting lamp group receives the first light control signal and displays light with corresponding colors according to the first light control signal.
The beneficial effect that technical scheme that this application provided brought includes:
according to the light-emitting exhaust device and the light-emitting control method based on exhaust thermoelectric power generation, the hot end and the cold end of the thermoelectric power generation module are respectively attached to the upper surface and the lower surface of the rear silencer, so that the current collection layer can generate voltage signals according to the temperature difference between the hot end and the cold end and send the generated voltage signals to the controller, then the controller generates first light control signals corresponding to colors according to the received voltage signals, and the light-emitting lamp group on the exhaust tail pipe is controlled to display light corresponding to the colors according to the received first light control signals; therefore, partial waste heat of the engine waste gas can be recycled to generate electricity, the fuel utilization efficiency is improved, sound waves at the pipe orifice of the exhaust tail pipe and light of the light-emitting lamp group can be combined into sound and light, a reinforced prompting effect is achieved for drivers of rear vehicles, and the individual requirements of the drivers are met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the installation of a light emitting exhaust device in an embodiment of the present application;
FIG. 2 is a schematic view of the installation of a temperature differential power generation module of FIG. 1;
FIG. 3 is a schematic view of the tail pipe of FIG. 1 connected to a lamp bank;
fig. 4 is a flowchart of a light emission control method in an embodiment of the present application.
Reference numerals:
1. a rear muffler; 11. a drain hole; 12. a middle section of the exhaust pipe; 2. a hot end; 3. a cold end; 4. a current collecting layer; 41. a power transmission interface; 5. a tail pipe; 6. a light emitting lamp group; 61. a light emitting diode; 62. a support; 7. a cooling water interlayer; 8. a decorative cover; 9. high temperature resistant wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the application provides a luminous exhaust apparatus based on exhaust thermoelectric generation, it can solve among the relevant art tail pipe function simple and the car except that the brake light does not have other problem that can indicate or warn the light of rear vehicle.
As shown in fig. 1 and 2, the light-emitting exhaust device based on exhaust thermoelectric generation of the present embodiment includes a rear muffler 1, a thermoelectric generation module, a controller, a tail pipe 5, and a light-emitting lamp set 6.
The thermoelectric power generation module comprises a hot end 2, a cold end 3 and a power collection layer 4 which are sequentially connected in series. Above-mentioned hot junction 2 and cold junction 3 laminate respectively and set up in the upper and lower surface of above-mentioned back silencer 1, above-mentioned collecting layer 4 is used for producing voltage signal according to the difference in temperature between hot junction 2 and the cold junction 3 to send this voltage signal to the controller.
Wherein, the hot end 2 is attached to the upper surface of the rear muffler 1, and the cold end 3 is attached to the lower surface of the rear muffler 1.
The controller is configured to receive the voltage signal, generate a first light control signal with a corresponding color according to the voltage signal, and send the first light control signal to the light emitting lamp set 6.
The inlet of the tail pipe 5 communicates with the rear muffler 1. As shown in fig. 3, the tail pipe 5 is sleeved with the light emitting lamp set 6, and the light emitting lamp set 6 is configured to receive the first light control signal and display light with a corresponding color according to the first light control signal.
As shown in fig. 1, the outlet of the rear muffler 1 communicates with the inlet of the tail pipe 5, and the inlet of the rear muffler 1 communicates with the exhaust pipe middle section 12.
According to the light-emitting exhaust device, the hot end and the cold end of the thermoelectric generation module are respectively attached to the upper surface and the lower surface of the rear silencer, so that the current collecting layer can generate a voltage signal according to the temperature difference between the hot end and the cold end, the generated voltage signal is sent to the controller, then the controller generates a first light control signal corresponding to the color according to the received voltage signal, and the light-emitting lamp group on the exhaust tail pipe is controlled to display the light corresponding to the color according to the received first light control signal; therefore, partial waste heat of the engine waste gas can be recycled to generate electricity, the fuel utilization efficiency is improved, sound waves at the pipe orifice of the exhaust tail pipe and light of the light-emitting lamp group can be combined into sound and light, a reinforced prompting effect is achieved for drivers of rear vehicles, and the individual requirements of the drivers are met.
On the basis of the first embodiment, in this embodiment, a cooling water interlayer 7 is further disposed between the lower surface of the rear muffler 1 and the cold end 3 of the thermoelectric power generation module, and the cold end 3 is covered on the outer surface of the cooling water interlayer 7, so as to separate the cold end 3 from the casing of the rear muffler 1.
A drain hole 11 is formed in one side of the lower surface of the rear muffler 1, which is far away from the tail pipe 5, corresponding to the cooling water interlayer 7, so that water condensed in the rear muffler 1 can enter the cooling water interlayer 7 through the drain hole 11 and can be used as cooling liquid of the cooling water interlayer 7; one side of the cooling water interlayer 7 close to the tail pipe 5 is provided with a water outlet hole so as to facilitate the discharge of water in the cooling water interlayer 7.
In this embodiment, the temperature of the cold end 3 can be further reduced by the cooling water interlayer 7 to increase the temperature difference between the hot end 2 and the cold end.
In addition to the above embodiments, in the present embodiment, a decorative cover 8 is provided outside the tail pipe 5, an accommodation space is formed between the tail pipe 5 and the decorative cover 8, and the light emitting lamp group 6 is provided in the accommodation space.
Preferably, the decorative cover 8 sleeved on the tail pipe 5 can not only protect the light emitting lamp set 6, but also produce a more cool effect, thereby meeting the individual pursuit of the driver.
Further, the light emitting lamp set 6 includes a plurality of light emitting diodes 61 and a bracket 62 connecting adjacent light emitting diodes 61.
In this embodiment, the plurality of light emitting diodes 61 are fixed in the accommodating space between the tail pipe 5 and the trim cover 8 by the bracket 62, which can stabilize the light emitting diodes 61.
On the basis of the foregoing embodiment, in this embodiment, the controller may store a plurality of preset intervals, and after receiving the voltage signal sent by the collector layer 4, the controller is further configured to determine the preset interval where the received voltage signal is located.
In this embodiment, the preset intervals include a first preset interval and a second preset interval which are continuous.
The left end value of the first preset interval is as follows: under the idle working condition, the current collecting layer 4 generates a first voltage signal according to the temperature difference between the hot end 2 and the cold end 3;
the right end value of the first preset interval and the left end value of the second preset interval are both: under the condition of 50% of accelerator, the collector layer 4 generates a second voltage signal according to the temperature difference between the hot end 2 and the cold end 3;
the right end value of the second preset interval is as follows: and under the full-accelerator state, the current collecting layer 4 generates a third voltage signal according to the temperature difference between the hot end 2 and the cold end 3.
When the voltage signal generated by the collector layer 4 is equal to a second voltage signal, the controller is configured to determine that the voltage signal is in a first preset interval; when the voltage signal generated by the collector layer 4 is equal to the third voltage signal, the controller is configured to determine that the voltage signal is in a second predetermined interval.
In this embodiment, when the controller determines that the voltage signal is in a first preset interval, the controller is configured to generate a first light control signal corresponding to a first color, and send the first light control signal corresponding to the first color to the light emitting lamp group 6; when the controller determines that the voltage signal is in a second preset interval, the controller is configured to generate a first light control signal corresponding to a second color, and send the first light control signal corresponding to the second color to the light emitting lamp group 6.
Optionally, the first color is blue, and the second color is red. When the light-emitting lamp group 6 receives a first light control signal corresponding to the first color, blue light is emitted; when the light-emitting lamp group 6 receives the first light control signal corresponding to the second color, red light is emitted.
Optionally, when the vehicle is in an idle working condition, the accelerator opening degree is minimum, the exhaust flow is small, and the upper and lower temperatures of the outer surface of the rear muffler are Tc1 and Tc2 respectively, the voltage output by the thermoelectric generation module is Uc ═ K ═ Tc (Tc1-Tc 2); under the full throttle, the measured upper and lower temperatures of the outer surface of the silencer are Tq1 and Tq2 respectively, and the voltage output by the thermoelectric generation module is Uq (Tq1-Tq2), wherein K is the coefficient of thermoelectric materials.
Therefore, after the voltage signal is transmitted to the controller, the controller outputs different light emitting signals for different voltage grades, and the light emitting lamp group also emits different light colors to show different light effects.
In other embodiments, the preset section may further include a continuous preset section a, a continuous preset section B, and a continuous preset section C, so as to realize combination of multiple lights, that is, the colors of lights passing through the tail pipe 5 may be varied to perform different combinations, and further, different lighting effects are exhibited.
Optionally, the left end value of the preset interval a is: under the idle working condition, the collector layer 4 generates a fourth voltage signal according to the temperature difference between the hot end 2 and the cold end 3;
the right end value of the preset interval A and the left end value of the preset interval B are both: under the condition of 30% of accelerator, the collector layer 4 generates a fifth voltage signal according to the temperature difference between the hot end 2 and the cold end 3;
the right end value of the preset interval B and the left end value of the preset interval C are both: under the condition of 70% of accelerator, the collector layer 4 generates a sixth voltage signal according to the temperature difference between the hot end 2 and the cold end 3;
the right end value of the preset interval C is: and in the full-throttle state, the collector layer 4 generates a seventh voltage signal according to the temperature difference between the hot end 2 and the cold end 3.
When the voltage signal generated by the collector layer 4 is equal to a fifth voltage signal, the controller is configured to determine that the voltage signal is within a preset interval a; when the voltage signal generated by the collector layer 4 is equal to a sixth voltage signal, the controller is configured to determine that the voltage signal is within a preset interval B; when the voltage signal generated by the collector layer 4 is equal to the seventh voltage signal, the controller is configured to determine that the voltage signal is within a preset interval C.
In this embodiment, when the controller determines that the voltage signal is in the preset interval a, the controller is configured to generate a first light control signal corresponding to blue, and send the first light control signal corresponding to blue to the light-emitting lamp group 6, so as to control the light-emitting lamp group 6 to emit blue light;
when the controller determines that the voltage signal is in the preset interval B, the controller is configured to generate a first light control signal corresponding to orange, and send the first light control signal corresponding to orange to the light-emitting lamp group 6, so as to control the light-emitting lamp group 6 to emit orange light;
when the controller determines that the voltage signal is in the preset interval C, the controller is configured to generate a first light control signal corresponding to red, and send the first light control signal corresponding to red to the light emitting lamp group 6, so as to control the light emitting lamp group 6 to emit red light.
On the basis of the above embodiment, in this embodiment, the controller is further configured to obtain an accelerator opening, generate a second light control signal with brightness corresponding to the accelerator opening, and send the second light control signal to the light emitting lamp group 6.
The light emitting lamp set 6 is further configured to receive the second light control signal, and display light with corresponding brightness according to the second light control signal.
Alternatively, the controller may store a plurality of preset accelerator opening threshold values, including a first accelerator opening threshold value, a second accelerator opening threshold value and a third accelerator opening threshold value which are arranged from small to large. Preferably, the first accelerator opening threshold value is greater than 0 and the third accelerator opening threshold value is less than 100%.
When the accelerator opening obtained by the controller is smaller than or equal to the first accelerator opening threshold, the controller generates a second light control signal with the brightness corresponding to the first accelerator opening threshold, and sends the second light control signal to the light emitting lamp group 6.
When the accelerator opening obtained by the controller is larger than the first accelerator opening threshold and smaller than or equal to the second accelerator opening threshold, the controller generates a second light control signal with the brightness corresponding to the second accelerator opening threshold, and sends the second light control signal to the light-emitting lamp group 6.
When the accelerator opening obtained by the controller is larger than the second accelerator opening threshold and smaller than or equal to the third accelerator opening threshold, the controller generates a second light control signal with the brightness corresponding to the third accelerator opening threshold, and sends the second light control signal to the light-emitting lamp group 6.
When the accelerator opening acquired by the controller is larger than the third accelerator opening threshold, the controller generates a second light control signal corresponding to 100% of brightness, and sends the second light control signal to the light-emitting lamp group 6.
Alternatively, the first accelerator opening threshold corresponds to a brightness of 30%, the second accelerator opening threshold corresponds to a brightness of 50%, and the third accelerator opening threshold corresponds to a brightness of 80%.
In this embodiment, the power transmission interface 41 connected to the controller is provided on the collector layer 4.
Preferably, the hot end 2, the cold end 3 and the collector layer 4 are connected with each other through a high temperature resistant lead 9.
Optionally, the collector layer 4 is in contact connection with the hot end 2 and the cold end 3 respectively, and the hot end 2 and the cold end 3 are connected through a high-temperature-resistant wire.
Optionally, the hot end 2 and the cold end 3 are both made of thermoelectric materials and cover the surface of the rear muffler 1. The thermoelectric material is a functional material capable of converting heat energy and electric energy mutually, and has wide application prospect.
In this embodiment, the hot side 2 and the cold side 3 are made of a metal silicide type thermoelectric material, a cobalt-based oxide thermoelectric material, or a PbTe-based thermoelectric material.
With the development of the market towards the youth, more and more drivers pursue individualized driving and refit car stickers, wheel rims and exhaust pipes, wherein the refit comprises the steps of changing double exhaust into four exhaust ports, additionally installing an electronic valve, changing exhaust sound waves and the like. In the embodiment, thermoelectric generation is an effective way of directly converting heat energy such as waste heat and waste heat into electric energy, and has the advantages of no noise, no pollution, reliable work, long service life and the like.
Specifically, the light-emitting lamp group 6 and the decorative cover 8 are additionally arranged on the tail pipe 5, the temperature difference power generation is carried out by utilizing exhaust waste heat to supply power to the light-emitting lamp group 6, and the original exhaust sound wave of the engine is combined to realize sound and light combination, so that the vehicle power can be displayed, the cool and dazzling driving effect can be generated, the individual pursuit of a driver can be met, the fuel utilization rate of an automobile can be effectively improved, the air pollution is reduced, and the comprehensive performance of the whole automobile is improved.
In this embodiment, the exhaust sound waves are positively correlated with the opening of the accelerator, under the idle condition of the vehicle, the noise at the pipe orifice of the tail pipe 5 is small, along with the increase of the opening of the accelerator, the sound motion feeling at the pipe orifice of the tail pipe 5 is obvious, meanwhile, the temperature difference between the hot end 2 and the cold end 3 can be different due to different opening of the accelerator, and along with the increase of the opening of the accelerator, the temperature difference between the hot end 2 and the cold end 3 is increased, so that the voltage signal generated by the current collecting layer 4 is increased, and the light emitting lamp group 6 emits light with different colors.
Therefore, the opening of the engine throttle not only determines the exhaust flow, but also indirectly determines the magnitude of the thermoelectric generation voltage signal, so that the tail pipe 5 generates a corresponding sound wave combination effect.
As shown in fig. 4, the present application further provides an embodiment of a light emission control method based on the light emission exhaust device, where the light emission control method specifically includes the steps of:
s1, when tail gas is generated, the current collecting layer 4 generates a voltage signal according to the temperature difference between the hot end 2 and the cold end 3 and sends the voltage signal to the controller.
And S2, when the controller receives the voltage signal, generating a first light control signal with a corresponding color according to the voltage signal, and sending the first light control signal to the light-emitting lamp group 6.
And S3, the light-emitting lamp group 6 receives the first light control signal and displays light with corresponding colors according to the first light control signal.
In the lighting control method of the embodiment, partial waste heat of the engine exhaust gas can be recycled through the temperature difference power generation module on the upper surface of the rear muffler 1, the power is supplied to the lighting lamp set 6 on the tail pipe 5, and the effect of acousto-optic combination is achieved through the light of the lighting lamp set 6 and the sound wave at the pipe orifice of the tail pipe 5, so that the effect of strengthening the prompting effect for the driver of the rear vehicle is achieved.
Preferably, a cooling water interlayer 7 is further arranged between the lower surface of the rear muffler 1 and the cold end 3, and a drain hole 11 is formed in one side of the lower surface of the rear muffler 1, which is far away from the tail pipe 5, corresponding to the cooling water interlayer 7, so that water condensed and discharged in the rear muffler 1 enters the cooling water interlayer 7 through the drain hole 11 to serve as cooling liquid of the cooling water interlayer 7; one side of the cooling water interlayer 7 close to the tail pipe 5 is provided with a water outlet hole so as to facilitate the discharge of water in the cooling water interlayer 7.
In this embodiment, when the engine works, exhaust gas is discharged from the tail pipe 5, the surface of the shell of the rear muffler 1 is heated by thermal radiation of the exhaust gas, a temperature difference is formed between the upper hot end 2 and the lower hot end 3 of the rear muffler 1 through the hot end 2 of the thermoelectric generation module on the upper surface of the rear muffler 1 and the cooling water interlayer and the cold end 3 on the lower surface of the rear muffler 1, and then an electromotive force is generated according to the seebeck effect of a thermoelectric material, so that the collecting layer 4 collects generated electric energy. The electric energy depends on the temperature difference between the hot end 2 and the cold end 3, the thermoelectric material is tightly covered with the surface of the rear silencer, the temperature difference is determined by the temperature of the rear silencer, namely the temperature difference is directly related to the exhaust flow, the tuning order of the rear silencer is also directly related to the exhaust flow, and the exhaust flow depends on the opening degree of an accelerator, so that the magnitude of the voltage signal and the exhaust sound order are related to the opening degree of the accelerator.
Optionally, the light emission control method of this embodiment further includes the following steps:
when the controller receives the voltage signal sent by the collecting layer 4, the current throttle opening is obtained, a second light control signal with brightness corresponding to the throttle opening is generated, and the second light control signal is sent to the light-emitting lamp group 6. Then, when the light emitting lamp group 6 receives the second light control signal, the light with the corresponding brightness is displayed based on the received second light control signal.
In this embodiment, the light emitting lamp set 6 can realize the combination of the color and the brightness of different lights based on the received first light control signal and the second light control signal, and further can better meet the pursuit of the driver for the individual driving.
In this embodiment, if the current accelerator opening is large, the light-emitting lamp set 6 is controlled to display high-brightness light; if the current accelerator opening is larger, the light-emitting lamp group 6 is controlled to display low-brightness light.
In other embodiments, when the thermoelectric generation module is eliminated or not operated, the power supply part of the controller can also supply power through the 12V storage battery to solve the power supply problem. At this time, the controller may adjust the magnitude of the input voltage based on the collected accelerator opening and engine speed signals to control the intensity of light emitted by the light emitting lamp set 6.
The light-emitting control method of the embodiment is suitable for the light-emitting exhaust devices, voltage signals are generated through the current collecting layer according to the temperature difference between the hot end and the cold end and are sent to the controller, the controller generates first light control signals with corresponding colors according to the received voltage signals, and the light-emitting lamp group on the exhaust tail pipe is controlled to display the light with the corresponding colors, so that partial waste heat of engine waste gas is recycled to generate power to supply power for the light-emitting lamp group, energy is saved, meanwhile, sound waves at the pipe opening of the exhaust tail pipe and the light of the light-emitting lamp group are combined to achieve the effect of sound and light, the effect of strengthening prompt is achieved for drivers of rear vehicles, and the vehicle individuation effect is achieved.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a luminous exhaust apparatus based on exhaust thermoelectric generation which characterized in that, it includes:
a rear muffler (1);
the temperature difference power generation module comprises a hot end (2), a cold end (3) and a power collection layer (4) which are sequentially connected in series, wherein the hot end (2) and the cold end (3) are respectively attached to the upper surface and the lower surface of the rear silencer (1), and the power collection layer (4) is used for generating a voltage signal according to the temperature difference between the hot end (2) and the cold end (3);
the controller is used for receiving the voltage signal, generating a first light control signal of a corresponding color according to the voltage signal, and sending the first light control signal to a light emitting lamp group (6);
tail pipe (5), its air inlet intercommunication back silencer (1), the cover is equipped with on tail pipe (5) luminescent light group (6), luminescent light group (6) are used for receiving first light control signal, and according to the light of first light control signal display corresponding colour.
2. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 1, wherein: a cooling water interlayer (7) is further arranged between the lower surface of the rear silencer (1) and the cold end (3), a drain hole (11) is correspondingly formed in one side, far away from the tail pipe (5), of the lower surface of the rear silencer (1) and the cooling water interlayer (7), and a water outlet hole is formed in one side, close to the tail pipe (5), of the cooling water interlayer (7).
3. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 1, wherein: the outer cover of tail pipe (5) is equipped with decorates cover (8), luminescent light group (6) set up in the accommodation space between tail pipe (5) and decorating cover (8).
4. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 1, wherein: the light emitting lamp group (6) comprises a plurality of light emitting diodes (61) and a bracket (62) connecting adjacent light emitting diodes (61).
5. The light-emitting exhaust device based on exhaust temperature difference power generation according to claim 1, wherein the controller is further configured to determine a preset interval in which the voltage signal is located, the preset interval comprising a first preset interval and a second preset interval which are consecutive;
the left end value of the first preset interval is as follows: under the idle working condition, the collector layer (4) generates a first voltage signal according to the temperature difference between the hot end (2) and the cold end (3);
the right end value of the first preset interval and the left end value of the second preset interval are both: under the condition of 50% of accelerator, the collector layer (4) generates a second voltage signal according to the temperature difference between the hot end (2) and the cold end (3);
the right end value of the second preset interval is as follows: under the full throttle state, the collector layer (4) generates a third voltage signal according to the temperature difference between the hot end (2) and the cold end (3);
when the voltage signal generated by the collecting layer (4) is equal to the second voltage signal, the controller is used for judging that the voltage signal is in a first preset interval.
6. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 5, wherein:
when the controller judges that the voltage signal is in a first preset interval, the controller is used for generating a first light control signal corresponding to a first color; and when the controller judges that the voltage signal is in a second preset interval, the controller is used for generating a first light control signal corresponding to a second color.
7. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 1, wherein:
the controller is further used for acquiring the accelerator opening and generating a second light control signal of brightness corresponding to the accelerator opening;
the light-emitting lamp group (6) is also used for receiving the second light control signal and displaying light with corresponding brightness according to the second light control signal.
8. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 1, wherein: the hot end (2), the cold end (3) and the collector layer (4) are connected with each other through high-temperature-resistant leads (9).
9. The luminescent exhaust device based on exhaust thermoelectric power generation according to claim 1, wherein: and a power transmission interface (41) connected with the controller is arranged on the current collecting layer (4).
10. A light emission control method based on the light emission exhaust apparatus of claim 1, characterized by comprising the steps of:
when tail gas is generated, the current collecting layer (4) generates a voltage signal according to the temperature difference between the hot end (2) and the cold end (3) and sends the voltage signal to the controller;
when the controller receives the voltage signal, a first light control signal with a corresponding color is generated according to the voltage signal, and the first light control signal is sent to a light emitting lamp group (6);
and the light emitting lamp group (6) receives the first light control signal and displays light with corresponding colors according to the first light control signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210615941.0A CN114961943A (en) | 2022-05-31 | 2022-05-31 | Light-emitting exhaust device based on exhaust thermoelectric power generation and light-emitting control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210615941.0A CN114961943A (en) | 2022-05-31 | 2022-05-31 | Light-emitting exhaust device based on exhaust thermoelectric power generation and light-emitting control method |
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| US20030201885A1 (en) * | 2002-03-21 | 2003-10-30 | Currie Joseph Edward | Vehicular throttle idle signal indication |
| JP3161561U (en) * | 2010-04-20 | 2010-08-05 | 岡山県研究開発協同組合 | Novel exhaust pipe structure in automobile exhaust system |
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| CN111384768A (en) * | 2020-03-27 | 2020-07-07 | 东风商用车有限公司 | Electric oil pump energy supply system of engine |
| CN212985348U (en) * | 2020-07-31 | 2021-04-16 | 上汽通用汽车有限公司 | Tail pipe |
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- 2022-05-31 CN CN202210615941.0A patent/CN114961943A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030201885A1 (en) * | 2002-03-21 | 2003-10-30 | Currie Joseph Edward | Vehicular throttle idle signal indication |
| JP3161561U (en) * | 2010-04-20 | 2010-08-05 | 岡山県研究開発協同組合 | Novel exhaust pipe structure in automobile exhaust system |
| CN102350940A (en) * | 2011-07-29 | 2012-02-15 | 芜湖罗比汽车照明系统有限公司 | Exhaust pipe decoration component |
| CN109435832A (en) * | 2018-12-17 | 2019-03-08 | 李铮然 | A kind of agricultural vehicle safety running warning device |
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