CN102938624A - Heat energy acquisition system - Google Patents
Heat energy acquisition system Download PDFInfo
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- CN102938624A CN102938624A CN2011102324251A CN201110232425A CN102938624A CN 102938624 A CN102938624 A CN 102938624A CN 2011102324251 A CN2011102324251 A CN 2011102324251A CN 201110232425 A CN201110232425 A CN 201110232425A CN 102938624 A CN102938624 A CN 102938624A
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Abstract
The invention provides a heat energy acquisition system. The system is mainly composed of a heat energy acquisition device and an energy management circuit, wherein the heat energy acquisition device is a heating power generator based on a semiconductor, the heat energy acquisition device is capable of converting the heat energy to electric energy, and the energy management circuit is mainly composed of an integrated circuit (IC) control circuit module, a boosted circuit module and a protective circuit. According to the heat energy acquisition system, redundant heat in the environment can be successfully converted to the electric energy to be stored in battery packs and chargeable super-capacitors, and if the temperature of the battery packs is overhigh, charges of the battery packs are in a saturation state or the battery charge current is overlarge during the energy acquisition process, the IC control circuit module can interrupt the battery pack charge state.
Description
Technical field
The invention belongs to the micro power field, it is characterized in that the collection to the heat energy in the environment, and be that electrical power storage is in energy-storage travelling wave tube with the Conversion of Energy that gathers.Main purpose is for micro radio sensor network and the power supply of other low energy-consumption electronic device, improves the utilance of the energy.
Technical background
The survival and development of the energy and environment and human society are closely related, along with the whole world is constantly strengthened environmental protection and awareness of saving energy, more and more enterprises are the Major Strategic behave of development new forms of energy as raising inter-industry competition ability, the maintenance sustainable development of socio-economy in recent years.At present, from environment, extract the energy resource collecting technology of not utilizing the energy (temperature difference, vibration etc.), just day by day become contention scheme strong in the various applications.Industrial expansion just develops fast towards microelectronics technology, little power consumption, automation aspect, and this has just caused the fast development of environmental energy acquisition technique.Develop a kind ofly can use for a long time, with the little energy resource collecting system of surrounding environment energy conversion as electric energy, be that people expect to have broad application prospects the major issue that solves.Although within the time of short-term, little energy resource collecting system can't replace the employed battery of all spectra or electric power system fully, several years, low-power consumption, numerous advantages such as collection and self energizing, environmental protection certainly can be reached but it still relies on it to need not to change battery or duration, user and industrial selection will be become.
In the application of reality, such as communications and transportation infrastructure, wireless medical equipment, tire pressure monitoring and building automatic market etc., especially in building automation system, such as transducer, self-operated thermostatic controller even light-operated switch etc., normally used power supply or control distribution when installing in the past, do not needed now, replacing is, they have adopted the local energy acquisition system.For existing unnecessary heat in the environment of those microelectronic device work, heat collection that can these are unnecessary is got up and is converted into that electrical power storage is got up or directly to the microelectronic device power supply, this method is feasible.Use just progressively trend zero power-supply device in numerous wireless sensers, remote monitor and other low-power consumption, have sub-fraction just to adopt heat energy resource collecting system in them.Waste heat in the environment is converted into the heat energy resource collecting system of electric energy, is that people wish the problem that solves to have widely practical value always.
Summary of the invention
The object of the invention is to design a kind of heat energy resource collecting system, thereby solved the problem of heat energy resource collecting storage in the environment, improve the utilance of the energy.
The technical solution used in the present invention is as follows:
Heat energy resource collecting system comprises that heat energy resource collecting device, energy conservation circuit and stored energy element thereof form.Wherein said heat energy resource collecting device is the thermoelectric (al) generator of a based semiconductor, and it can change into the temperature difference device of electric energy.
In the described scheme, heat energy resource collecting system energy conservation main circuit will be comprised of boost booster circuit module and IC control circuit module.Wherein said boost booster circuit module is comprised of the DC/DC boost conversion chip of low-power consumption; IC control circuit module is comprised of the microcontroller of low-power consumption.
In the described scheme, heat energy resource collecting system stores energy cell is comprised of rechargeable battery pack and chargeable super capacitor.
In the such scheme, heat energy resource collecting system thermal gatherer process is as follows:
Heat energy resource collecting device is converted into electric energy with the heat in the environment, IC control circuit module Gather and input voltage, if input voltage reaches the minimum input voltage of boost booster circuit module, IC control circuit module will start boost booster circuit module raises input voltage, and boost booster circuit module produces burning voltage and will be stored in battery pack and chargeable super capacitor the inside simultaneously.
The Whole Work Flow of described heat energy resource collecting system is as follows:
Heat energy resource collecting device is converted into electric energy with the heat in the environment, the voltage of IC control circuit module Gather and input, if input voltage reaches the minimum starting resistor of boost booster circuit module, IC control circuit module produces signal and makes the normal operation of boost booster circuit module, be stored in battery pack through the voltage of booster circuit module generation is wherein a part of through filter capacitor, another part voltage is stored in the chargeable super capacitor through filter capacitor.
Described heat energy resource collecting system also comprises the battery voltage signal sampling, and sampled signal is input to IC control circuit module through operational amplifier, and IC control circuit module is by the input-signal judging battery voltage state that whether reaches capacity.The state if battery voltage reaches capacity, IC control circuit module produces an interrupt signal charge closing switching circuit, with protection system safety.
Described heat energy resource collecting system also comprises the battery pack current signal sampling, and sampled signal is input to IC control circuit module through operational amplifier, and whether IC control circuit module reaches rated current by the input-signal judging battery pack current.If battery pack
Electric current reaches rated current, and IC control circuit module produces an interrupt signal charge closing switching circuit, with protection system safety.
Described heat energy collecting system also comprises thermistor sampling battery bottom temperature, and the sample temperature signal is input to IC control circuit module through operational amplifier, and whether IC control circuit module reaches rated temperature by the input-signal judging battery temperature.If battery temperature reaches the battery rated temperature, IC control circuit module produces an interrupt signal charge closing switching circuit, with protection system safety.
The present invention has the following advantages:
(1) reduce cost: heat energy resource collecting system can be converted into the heat in the environment electrical power storage in rechargeable battery pack or super capacitor, the electric energy of its collection can be the components and parts power supply of low-power consumption, has reduced the cost of traditional laying power line and has changed the required cost of battery.
(2) components and parts low-power consumption: heat energy resource collecting system adopts the low-power consumption components and parts, has reduced the power loss of system.
(3) improve energy utilization rate: the heat energy " inexhaustible " in the environment, can improve the heat efficiency of energy utilization of occurring in nature by energy acquisition.
(4) convenient management: the IC control module of heat energy resource collecting system is the relevant information (such as voltage, electric current, temperature etc.) of acquisition system in time, according to the charging problem that the relevant information that gathers is in time managed energy-storage travelling wave tube, the safety problem of the class of avoiding exploding occurs.
Description of drawings
Fig. 1 is the general structure block diagram that the present invention proposes.
Fig. 2 is the overview flow chart that the present invention proposes.
Embodiment
Fig. 1 is the general structure block diagram of heat energy resource collecting system.This heat energy resource collecting system comprises: heat energy resource collecting device, boost booster circuit module, IC control circuit module, battery pack, chargeable super capacitor etc.
The specific embodiment of the present invention as shown in Figure 2, its Whole Work Flow is as described below: heat energy resource collecting device is converted into electric energy with the heat in the environment, the voltage of IC control circuit module Gather and input, if input voltage reaches the minimum starting resistor of boost booster circuit module, IC control circuit module produces signal and makes the normal operation of boost booster circuit module, be stored in battery pack through the voltage of booster circuit module generation is wherein a part of through filter capacitor, another part voltage is stored in the chargeable super capacitor through filter capacitor.
Described heat energy resource collecting system also comprises the battery voltage signal sampling, and sampled signal is input to IC control circuit module through operational amplifier, and IC control circuit module is by the input-signal judging battery voltage state that whether reaches capacity.The state if battery voltage reaches capacity, IC control circuit module produces an interrupt signal charge closing switching circuit, with protection system safety.
Described heat energy resource collecting system also comprises the battery pack current signal sampling, and sampled signal is input to IC control circuit module through operational amplifier, and whether IC control circuit module reaches rated current by the input-signal judging battery pack current.If battery pack current reaches rated current, IC control circuit module produces an interrupt signal charge closing switching circuit, with protection system safety.
Described heat energy collecting system also comprises thermistor sampling battery bottom temperature, and the sample temperature signal is input to IC control circuit module through operational amplifier, and whether IC control circuit module reaches rated temperature by the input-signal judging battery temperature.If battery temperature reaches the battery rated temperature, IC control circuit module produces an interrupt signal charge closing switching circuit, with protection system safety.
Claims (6)
1. heat energy resource collecting system is characterized in that by heat energy resource collecting device and energy conservation the electric circuit constitute.Described heat energy resource collecting device is the thermoelectric (al) generator of a based semiconductor, and it can become thermal power transfer the device of electric energy.Its characteristics are that the long working life of heat energy resource collecting device and operational environment can not be subject to artificial interference and the impact of mechanical oscillation.
2. according to the described heat energy resource collecting of claims 1 system, it is characterized in that described heat energy resource collecting device and energy conservation the electric circuit constitute.Described energy conservation circuit is characterized in that mainly being comprised of IC control circuit module, boost booster circuit module and protective circuit.
3. according to the described heat energy resource collecting of claims 2 system, it is characterized in that IC control circuit module mainly is comprised of the microcontroller of low-power consumption; Boost booster circuit module mainly is comprised of DC/DC boost conversion chip, it is characterized in that working under the low-voltage input condition.
4. according to the described heat energy resource collecting of claims 2 system, it is characterized in that one of them output of boost booster circuit module links to each other with battery pack; Another output links to each other with chargeable super capacitor.
5. heat energy resource collecting system is characterized in that heat unnecessary in the environment to be converted into electrical power storage in battery pack and chargeable super capacitor the inside.
6. according to the described heat energy resource collecting of claims 5 system, it is characterized in that the system acquisition energy process is as described below: heat energy resource collecting device is converted into electric energy with the unnecessary heat in the environment, the voltage that transforms raises voltage through boost booster circuit module, and boost booster circuit module produces stable voltage and is stored in battery pack and chargeable super capacitor the inside simultaneously.IC control circuit module judges according to the relevant information of acquisition system whether system works, if battery voltage reaches the battery rated voltage, IC control circuit module will be interrupted the batteries charging process; If battery temperature reaches specified battery temperature, IC control circuit module also will be interrupted the batteries charging process; If the batteries charging electric current is too high, IC control circuit module also will be interrupted the batteries charging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102324251A CN102938624A (en) | 2011-08-15 | 2011-08-15 | Heat energy acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102324251A CN102938624A (en) | 2011-08-15 | 2011-08-15 | Heat energy acquisition system |
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| CN102938624A true CN102938624A (en) | 2013-02-20 |
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| CN2011102324251A Pending CN102938624A (en) | 2011-08-15 | 2011-08-15 | Heat energy acquisition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326430A (en) * | 2013-06-13 | 2013-09-25 | 北京林业大学 | Standing tree environment energy harvesting method |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633008A (en) * | 2005-01-04 | 2005-06-29 | 西安交通大学 | Method of piezoelectric power generation by using vibration energy of road surface, and street lighting luminaire system therefor |
| CN1960118A (en) * | 2006-11-22 | 2007-05-09 | 中国科学院电工研究所 | Power generation system of hybrid energy sources based on photovoltaic effect, and thermoelectric effect of solar energy |
| CN101795011A (en) * | 2010-01-25 | 2010-08-04 | 武汉理工大学 | Weakly mixing power system for thermoelectrically generating electricity based on engine waste heat |
-
2011
- 2011-08-15 CN CN2011102324251A patent/CN102938624A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633008A (en) * | 2005-01-04 | 2005-06-29 | 西安交通大学 | Method of piezoelectric power generation by using vibration energy of road surface, and street lighting luminaire system therefor |
| CN1960118A (en) * | 2006-11-22 | 2007-05-09 | 中国科学院电工研究所 | Power generation system of hybrid energy sources based on photovoltaic effect, and thermoelectric effect of solar energy |
| CN101795011A (en) * | 2010-01-25 | 2010-08-04 | 武汉理工大学 | Weakly mixing power system for thermoelectrically generating electricity based on engine waste heat |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326430A (en) * | 2013-06-13 | 2013-09-25 | 北京林业大学 | Standing tree environment energy harvesting method |
| CN103326430B (en) * | 2013-06-13 | 2015-04-15 | 北京林业大学 | Standing tree environment energy harvesting method |
| 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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Application publication date: 20130220 |