CN206647182U - Utilize the piston temperature difference electricity generation device of afterheat of IC engine - Google Patents
Utilize the piston temperature difference electricity generation device of afterheat of IC engine Download PDFInfo
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- CN206647182U CN206647182U CN201720311007.4U CN201720311007U CN206647182U CN 206647182 U CN206647182 U CN 206647182U CN 201720311007 U CN201720311007 U CN 201720311007U CN 206647182 U CN206647182 U CN 206647182U
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- voltage
- piston
- temperature difference
- electrothermal module
- afterheat
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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 discloses a kind of piston temperature difference electricity generation device using afterheat of IC engine, including electrothermal module (1), integrated stable voltage circuit (2), super capacitor energy device (3), voltage raising and reducing DC/DC circuits (4), load (5), radiated rib (6).It is close to top surface on internal piston (7) in electrothermal module (1) hot junction, radiated rib (6) is installed on cold end face, electrothermal module (1) is generated electricity using the temperature difference between top surface on internal piston (7) and internal piston gas, electric energy caused by electrothermal module (1) carries out voltage stabilizing by integrated stable voltage circuit (2), and then carry out voltage stabilizing charging for super capacitor energy device (3), voltage raising and reducing DC/DC circuits (4) make the output voltage of super capacitor energy device (3) keep stable, stable input voltage is provided for load (5).The utility model does not influence internal combustion engine normal work, solves the powerup issue of internal piston small space, and electric energy is provided for piston optimization design.
Description
Technical field
It the utility model is related to afterheat of IC engine and utilize field, more precisely, the utility model is related in a kind of utilize
The piston temperature difference electricity generation device of combustion engine waste heat.
Background technology
Energy-conservation is one of three big theme of 21 century development of automobile.China has become the big automobile production and marketing state of the first in the world, according to
Measuring and calculating, will be more than 1.5 hundred million to the year two thousand twenty China car ownership.Car combustion engine only has 25% with heat caused by fuel combustion
Useful work output is converted into, removes 5% mechanical loss, the remaining 70% cooled water of heat and tail gas are taken away and consumed in vain
Dissipate, thus afterheat of IC engine is carried out to force hot-cast socket to produce a big chunk energy.By this portion of energy be used for pair
The power supply of automobile equipment is significantly.
The waste heat of internal combustion engine can be converted to electric energy by thermo-electric generation, realized the recycling of the energy, reached energy-saving and emission-reduction
Effect.The temperature difference electricity generation device that is utilized currently for afterheat of IC engine primary concern is that the temperature difference between low-temperature receiver and thermal source,
These problems of generated energy, it is not bound with practical use and removes designed temperature difference TRT.
Research currently for internal combustion engine field gradually increases, such as the variable-compression-ratio piston based on motor, base
In wireless WIFI variable-compression-ratio piston.These researchs are required for solving the problems, such as internal piston power supply without exception, and live
Plug is in engine interior, makees the round linear motion of high speed in the course of work, if using common line connection, from
Piston exterior introduces power circuit, and one end fixes, an end motion, poor reliability, and how to arrange the problem of being one very big.
For the mean temperature of top land more than 400 DEG C, internal piston gas temperature is lower than the temperature of top land more than 100 DEG C, if
Directly this part temperature difference can be utilized, for piston optimization design provides electric energy support, it will have very big application value with
Meaning.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of piston thermo-electric generation using afterheat of IC engine and filled
Put, realize the recycling to afterheat of IC engine, power supply is provided for the optimization design of piston.
In order to solve the above technical problems, the utility model adopts the following technical scheme that realization：
Piston temperature difference electricity generation device described in the utility model using afterheat of IC engine, including it is electrothermal module, integrated steady
Volt circuit, super capacitor energy device, voltage raising and reducing DC/DC circuits, load, radiated rib, it is characterised in that：
Described electrothermal module is arranged on internal piston on top surface, and the hot junction of electrothermal module is close to push up on internal piston
Face, radiated rib is installed on the cold end face of electrothermal module；
Described electrothermal module, integrated stable voltage circuit, super capacitor energy device, voltage raising and reducing DC/DC circuits phase successively
Even, the output terminating load of voltage raising and reducing DC/DC circuits.
Utilize the piston temperature difference electricity generation device of afterheat of IC engine, it is characterised in that the material that described electrothermal module uses
For bismuth telluride alloy semiconductor material.
Utilize the piston temperature difference electricity generation device of afterheat of IC engine, it is characterised in that described electrothermal module is using in piston
Temperature difference in portion between top surface and internal piston air realizes heat energy to electric transformation of energy, and electric energy caused by electrothermal module passes through
It is load supplying to cross integrated stable voltage circuit, super capacitor energy device, voltage raising and reducing DC/DC circuits.
Utilize the piston temperature difference electricity generation device of afterheat of IC engine, it is characterised in that described integrated stable voltage circuit is by transporting
The homophase input constant pressure source of amplifier composition is calculated, can change output voltage values by adjusting adjustable resistance, it is stable to be become by the temperature difference
Temperature difference electricity generation device output voltage caused by change fluctuates, and then is charged to the voltage stabilizing of super capacitor energy device.
Utilize the piston temperature difference electricity generation device of afterheat of IC engine, it is characterised in that described voltage raising and reducing DC/DC circuits are
Based on Buck-Boost stepping-up/stepping-down chopper circuits design, voltage raising and reducing DC/DC circuit stability super capacitor energy devices it is defeated
Go out voltage, for matched load demand.
The beneficial effects of the utility model are compared with prior art：
1. the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine, the temperature difference is utilized in internal piston
Generated electricity, solve the powerup issue of internal piston small space, for piston optimization design provides electric energy support, avoid from
Piston exterior introduces the problem of power circuit is brought, and reduces technical difficulty, greatly simplify supply line, has very big
Application value and meaning.
2. the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine, it is internal to be arranged in internal piston
The normal work of combustion engine does not influence.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is the workflow signal of the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine
Figure；
Fig. 2 is the piston main view involved by the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine
Full sectional view on figure；
Fig. 3 is that the integrated stable voltage circuit of the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine shows
It is intended to；
Fig. 4 is the voltage raising and reducing DC/DC of the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine
Circuit diagram.
Embodiment
Refering to Fig. 1, the piston temperature difference electricity generation device described in the utility model using afterheat of IC engine includes electrothermal module
1st, integrated stable voltage circuit 2, super capacitor energy device 3, voltage raising and reducing DC/DC circuits 4, load 5, radiated rib 6.Electrothermal module
1st, integrated stable voltage circuit 2, super capacitor energy device 3, voltage raising and reducing DC/DC circuits 4 are sequentially connected, voltage raising and reducing DC/DC electricity
The output end on road 4 is connected with load 5.
Refering to Fig. 2, described electrothermal module 1 is arranged on internal piston on top surface 7, and the hot junction of electrothermal module 1 is close to live
The internal upper top surface 7 of plug, the cold end face of electrothermal module 1 is provided with radiated rib 6.
Heat-conducting silicone grease, enhancing heat transfer are scribbled on electrothermal module 1 and internal piston between top surface 7.
The material that electrothermal module 1 uses is bismuth telluride alloy semiconductor material.
Radiated rib 6 is used for the radiating for strengthening the cold end of electrothermal module 1, makes the cold end of electrothermal module 1 in normal temperature range
Interior work.
Refering to Fig. 3, homophase input constant pressure source that described integrated stable voltage circuit 2 is made up of operational amplifier, wherein collecting
Into the output voltage U of mu balanced circuit 2OUT=(1+Rf/R1)·UZ, RfIt is adjustable resistance, R1For fixed value resistance, UZIt is stable for voltage-stabiliser tube
Voltage, can be by adjusting RfValue change integrated stable voltage circuit 2 output voltage UOUTValue, therefore integrated stable voltage circuit 2 is continuous
Adjustable constant pressure source.
Refering to Fig. 4, described voltage raising and reducing DC/DC circuits 4 are designed based on Buck-Boost stepping-up/stepping-down chopper circuits,
The voltage acquisition unit of the control system of voltage raising and reducing DC/DC circuits 4 carries out real-time sampling, systematic sampling to 5 voltage changes of load
After feedback voltage compared with reference voltage, then adjusted through PID regulator, output result is adjusted compared with triangular signal
The dutycycle of PWM (Pulse width modulation pulse width prescriptions) pulse, pwm circuit produce corresponding duty needed for system generation
The pwm pulse control power switch pipe Q of ratio break-make.Turned in switching tube Q, during diode VD ends, voltage raising and reducing DC/DC
The input voltage U of circuit 4inTo inductance L input energies, the output voltage U of voltage raising and reducing DC/DC circuits 4 is maintained by filter capacitor COUTBase
This is constant, realizes the stabilization of 5 voltages of load；End in switching tube Q, during diode VD is turned on, inductance L stores previous stage
Energy be released to resistance R and electric capacity C, with this come realize load 5 voltages stabilization.And switching tube Q ON times are longer, electricity
The energy that source inputs to load 5 is also more, therefore, the output voltage U of voltage raising and reducing DC/DC circuits 4OUTAlso it is higher；Similarly, switch
Pipe Q ON times are shorter, the output voltage U of voltage raising and reducing DC/DC circuits 4OUTIt is lower.
Refering to Fig. 1, Fig. 2 and Fig. 3, internal combustion engine in the course of the work, the temperature of top surface 7 and internal piston gas on internal piston
Degree is not constant, causes the temperature difference moment between the hot junction of electrothermal module 1 and cold end to change, further causes electrothermal module
1 output voltage is unstable, and integrated stable voltage circuit 2 can make the output voltage of electrothermal module 1 keep stable.
Refering to Fig. 1 and Fig. 4, described super capacitor energy device 3 electric discharge when, both end voltage can with the progress of electric discharge and
Constantly decline, cause the output voltage of super capacitor energy device 3 unstable.Voltage raising and reducing DC/DC circuits 4 can make super electricity
The output voltage for holding energy storage equipment 3 keeps stable.
Refering to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, described electrothermal module 1 utilizes top surface 7 on internal piston and internal piston gas
Between temperature difference generated electricity, electric energy caused by electrothermal module 1 carries out voltage stabilizing by integrated stable voltage circuit 2, and then to be super
Electric capacity energy storage equipment 3 carries out voltage stabilizing charging, and voltage raising and reducing DC/DC circuits 4 keep the output voltage of super capacitor energy device 3
It is stable, stable input voltage is provided for load 5.
Utilize the operation principle of the piston temperature difference electricity generation device of afterheat of IC engine：
Refering to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, described electrothermal module 1 utilizes top surface 7 on internal piston and internal piston gas
Between temperature difference generated electricity, electric energy caused by electrothermal module 1 carries out voltage stabilizing by integrated stable voltage circuit 2, and then to be super
Electric capacity energy storage equipment 3 carries out voltage stabilizing charging, and voltage raising and reducing DC/DC circuits 4 keep the output voltage of super capacitor energy device 3
It is stable, stable input voltage is provided for load 5.
So that load 5 is the stepper motor of certain variable-compression-ratio piston as an example, cylinder diameter 80mm.In the variable-compression-ratio piston
Inside upper surface arranges this piston temperature difference electricity generation device.Electrothermal module 1 is shaped as cylinder, radius 25mm, and thickness is
3.7mm, in the case where the temperature difference is 100 DEG C, open-circuit voltage 12V.Electric energy caused by electrothermal module 1 passes through integrated stable voltage circuit
2nd, super capacitor energy device 3, voltage raising and reducing DC/DC circuits 4 for stepper motor controller, driver and stepper motor in itself
Power supply, so that stepper motor steady operation, solves powerup issue for the above-mentioned variable-compression-ratio piston based on stepper motor.
Above-mentioned embodiment is only schematical, and the utility model is not limited to above-mentioned specific embodiment party
Formula, in the case where not departing from the utility model aims and scope of the claimed protection, there can also be many various forms of conversion,
These are belonged within the scope of protection of the utility model.
Claims (5)
1. utilize the piston temperature difference electricity generation device of afterheat of IC engine, including electrothermal module (1), integrated stable voltage circuit (2), super electricity
Hold energy storage equipment (3), voltage raising and reducing DC/DC circuits (4), load (5), radiated rib (6), it is characterised in that：
Described electrothermal module (1) is arranged on internal piston on top surface (7), and internal piston is close in the hot junction of electrothermal module (1)
Upper top surface (7), radiated rib (6) is installed on the cold end face of electrothermal module (1)；
Described electrothermal module (1), integrated stable voltage circuit (2), super capacitor energy device (3), voltage raising and reducing DC/DC circuits
(4) it is sequentially connected, the output end of voltage raising and reducing DC/DC circuits (4) is connected with load (5).
2. according to the piston temperature difference electricity generation device using afterheat of IC engine described in claim 1, it is characterised in that described heat
The material that electric module (1) uses is bismuth telluride alloy semiconductor material.
3. according to the piston temperature difference electricity generation device using afterheat of IC engine described in claim 1, it is characterised in that described heat
Electric module (1) realizes that heat energy turns to electric energy using the temperature difference between top surface on internal piston (7) and internal piston air
Change, electric energy caused by electrothermal module (1) is by integrated stable voltage circuit (2), super capacitor energy device (3), voltage raising and reducing DC/DC
Circuit (4) is load (5) power supply.
4. according to the piston temperature difference electricity generation device using afterheat of IC engine described in claim 1, it is characterised in that described collection
The homophase input constant pressure source being made up of into mu balanced circuit (2) operational amplifier, output can be changed by adjusting adjustable resistance
Magnitude of voltage, the stable thermo-electric generation output voltage as caused by difference variation fluctuates, and then gives super capacitor energy device (3) voltage stabilizing
Charging.
5. according to the piston temperature difference electricity generation device using afterheat of IC engine described in claim 1, it is characterised in that described liter
Pressure drop pressure DC/DC circuits (4) are designed based on Buck-Boost stepping-up/stepping-down chopper circuits, and voltage raising and reducing DC/DC circuits (4) are steady
The output voltage of super capacitor energy device (3) is determined, for matched load (5) demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311007.4U CN206647182U (en) | 2017-03-28 | 2017-03-28 | Utilize the piston temperature difference electricity generation device of afterheat of IC engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311007.4U CN206647182U (en) | 2017-03-28 | 2017-03-28 | Utilize the piston temperature difference electricity generation device of afterheat of IC engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206647182U true CN206647182U (en) | 2017-11-17 |
Family
ID=60279080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311007.4U Withdrawn - After Issue CN206647182U (en) | 2017-03-28 | 2017-03-28 | Utilize the piston temperature difference electricity generation device of afterheat of IC engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206647182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677921A (en) * | 2017-03-28 | 2017-05-17 | 吉林大学 | Piston thermoelectric power generation device utilizing waste heat of internal combustion engine |
| CN110445418A (en) * | 2019-07-03 | 2019-11-12 | 中国船舶重工集团公司第七一九研究所 | A kind of multi-source cascade triple channel micro-energy acquisition generation platform taking electricity based on the temperature difference |
-
2017
- 2017-03-28 CN CN201720311007.4U patent/CN206647182U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677921A (en) * | 2017-03-28 | 2017-05-17 | 吉林大学 | Piston thermoelectric power generation device utilizing waste heat of internal combustion engine |
| CN106677921B (en) * | 2017-03-28 | 2018-07-06 | 吉林大学 | Utilize the piston temperature difference electricity generation device of afterheat of IC engine |
| CN110445418A (en) * | 2019-07-03 | 2019-11-12 | 中国船舶重工集团公司第七一九研究所 | A kind of multi-source cascade triple channel micro-energy acquisition generation platform taking electricity based on the temperature difference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20180706 |