CN108110797A - A kind of pipeline hydraulic turbine power generation micro power network - Google Patents
A kind of pipeline hydraulic turbine power generation micro power network Download PDFInfo
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- CN108110797A CN108110797A CN201810135181.7A CN201810135181A CN108110797A CN 108110797 A CN108110797 A CN 108110797A CN 201810135181 A CN201810135181 A CN 201810135181A CN 108110797 A CN108110797 A CN 108110797A
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- 238000010248 power generation Methods 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 238000004146 energy storage Methods 0.000 claims abstract description 31
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H02J3/382—
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of pipeline hydraulic turbine generate electricity micro power network, including：N number of water meter, the pipeline of each water meter connect a pipeline hydrogenerator, and more than pipeline hydrogenerator is connected again with a power management and energy storage device jointly, and the power management and energy storage device include：Control circuit and the accumulator being connected with control circuit are generated electricity by the corresponding pipeline hydrogenerator of the originally water-driven of water meter, and the electric energy of generation enters the power management and energy storage device, and charges to the accumulator, and stores electric energy；Wherein, the accumulator is connected to data of water meter acquisition module and Lora node modules, and thus provides the electric power that both is operated.
Description
Technical Field
The invention belongs to a micro power grid, and particularly relates to an industrial pipeline water turbine power generation micro power grid.
Background
The water kinetic energy power generation technology is a technology for generating power by utilizing flowing water.
The household power generator comprises: each with a separate generator.
Generating efficiency: the kinetic energy of the water is converted to a proportion of the final electrical energy.
Minimum water flow rate: the generator is just able to rotate up to the water flow.
Maximum pressure drop loss: the water pressure change after the water flow passes through the generator needs to be controlled to the maximum value in order to ensure that the water consumption experience of a user is not influenced.
Micro-grid: the power supply system is formed by connecting several generators in a grid manner;
LoRa: long Range, i.e., Long distance;
the water meter has the advantages of narrow inner cavity of the water meter body, severe installation environment of the water meter and difficulty in power taking, and depends on an airborne battery when wireless transmission data is used. Hidden dangers of the system are not shown when the system is operated in a single machine or is not operated in an urban scale.
However, in a city, users of the wireless water meter reading system are in a group of more than 25 ten thousand users, and the service life of the battery of one wireless water meter node is calculated according to 8 years, so that the users of 25 ten thousand users generate waste lithium batteries of 3 ten thousand users every year, purchase cost of more than 75 ten thousand yuan is generated, and huge workload of replacing 125 batteries every day is required.
In addition, the recovery of 3 ten thousand discarded batteries per year is a very troublesome affair, and if the batteries are seriously recovered by departments, the 3 ten thousand discarded batteries cause great harm to the environment. The consequences of using onboard batteries are undoubtedly more severe in cities of medium or higher.
Disclosure of Invention
The problem of remote water meter reading power supply can be solved by utilizing the water flowing energy of the pipeline of daily water for the user to generate power to collect and supply power for the water meter.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a pipeline turbine power generation microgrid comprising: each water meter is connected with a pipeline hydraulic generator, the pipeline hydraulic generators are connected with a power management and energy storage device together, and the N pipeline hydraulic generators are combined into a network to form a micro power grid for providing power for meter reading of the water meters; wherein, power management and energy storage device includes: the control circuit and the storage battery connected with the control circuit drive the corresponding pipeline hydraulic generator to generate power through tap water of the water meter, and the generated electric energy enters the power management and energy storage device, charges the storage battery and stores the electric energy; wherein, the battery is connected to water gauge data acquisition module and LoRa node module again to provide its both electric power that operate from this.
Preferably, still have wireless module and loRa node module, loRa node module connects antenna module to link together with water gauge, pipeline hydraulic generator and power management and energy memory.
Preferably, the 6-8 pipeline miniature hydraulic generators are connected in parallel with a star-shaped network.
Preferably, the power management and energy storage device receives the electric energy of each pipeline hydro-generator and supplies power to the valve control switch of the water meter and the remote meter reading module which are connected with the pipeline hydro-generator which does not work.
Preferably, a control circuit is further provided, wherein each pipeline hydro-generator is connected to one control circuit, wherein the control circuit includes: the control circuit starts the boost-buck circuit, the whole circuit does not consume power when the power is not generated, meanwhile, the switching times of the boost-buck circuit can be adjusted according to the voltage, the energy taking size is dynamically controlled, and finally 4.5V stable voltage is output to be connected to the grid.
Preferably, the pipeline hydro-generator extracts generator energy in a constant current source mode to perform floating charge energy storage on an energy storage battery, and the power management and energy storage device can effectively manage a load and output stable voltage.
Preferably, the power management and energy storage device guarantees that the damage of the miniature hydro-generator to the energy storage device is not caused along with the change of the flow velocity of the water flow in the pipeline on the one hand, and guarantees constant voltage output to the load on the other hand.
Preferably, the pipeline hydro-generator comprises a housing, a turbine part and an electric energy conversion part, the turbine part is arranged in the turbine housing, and the turbine part and the electric energy conversion part are connected with each other; an impeller is arranged in a water wheel shell, the impeller drives a permanent magnet through a shaft to generate electric energy, a strong permanent magnet is arranged in a framework, and a front end cover of the framework is connected with a lower cover; the water turbine shell is provided with a water inlet and a water outlet, and the water energy of the water inlet and the water outlet forming axial flow drives the water turbine rotor to generate power.
After the scheme is adopted, the miniature hydro-generator realizes power generation based on water flow and supplies energy storage equipment to meet the requirement of remote meter reading energy management work of the water meter.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings so that the above advantages of the present invention will be more apparent. Wherein,
FIG. 1 is a schematic diagram of the power generation principle of a prior art pipeline hydro-generator;
FIG. 2 is a schematic view of the power generation principle of a prior art pipeline hydro-generator;
FIG. 3 is a schematic diagram of the piping turbine power generation microgrid of the present invention;
fig. 4 is a schematic diagram of a control circuit in the pipeline turbine power generation microgrid of the present invention.
FIG. 5 is a schematic diagram of the piping turbine power generation microgrid of the present invention;
FIG. 6 is a schematic structural diagram of a wireless remote meter reading device;
FIG. 7 is a schematic view of the construction of the pipeline hydro-generator according to the present invention;
fig. 8 is a schematic structural view of the pipeline hydro-generator of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
As shown in fig. 1-8, the structure of the miniature hydro-generator according to the present invention comprises a housing, a turbine part and an electric energy conversion part, wherein the turbine part is disposed in a turbine housing, and the turbine part and the electric energy conversion part are connected to each other; an impeller is arranged in a water wheel shell, the impeller drives a permanent magnet through a shaft to generate electric energy, a strong permanent magnet is arranged in a framework, and a front end cover of the framework is connected with a lower cover; the water turbine shell is provided with a water inlet and a water outlet, and the water energy of the water inlet and the water outlet forming axial flow drives the water turbine rotor to generate power.
Specifically, the water turbine comprises a water turbine front cover (1), a permanent magnet coil (2), a strong permanent magnet (3), a water inlet (4), a water turbine impeller (5), a water turbine connecting shaft (6), an electric energy conversion part (7), a water turbine component (8), a water turbine rear cover (9), a water outlet (10) and a water turbine shell (11), wherein the electric energy conversion part can be a universal part and is not described in detail herein.
Its this patent can produce enough big electric current based on under the condition of rivers that can be less, supplies with energy storage equipment and can manage work in order to satisfy the long-range meter reading of water gauge, this miniature hydraulic generator's simple structure, and stability is good, long service life.
Among them, according to fig. 1 and 2, the following rules can be found:
1. when the wireless water meter reading user reaches the urban scale, the technical solution of the airborne battery is not feasible;
2. it is also not feasible to take electricity from the industrial grid due to safety regulations and electricity-taking cost considerations;
3. the water used by the user will generate water kinetic energy;
4. the principle of generating electricity by utilizing water kinetic energy generated when water flows is established;
5. but the water using time of the user is not standard, and the usage rate (accumulated water using time/24 hours) × 100% is generally 12.5%;
6. a plurality of user water kinetic energy generators are combined into a micro power grid, so that electric energy can be effectively utilized, stored and distributed.
Therefore, the invention is based on a multi-user power generation system, a wireless transceiver terminal, a micro power grid dispatching system and an electric energy storage device (a rechargeable lithium battery) which are the main components of the invention;
the micro-grid technology generated by the invention can fully utilize the water kinetic energy generated by a user when the user uses water to generate electricity, and the micro-grid uniformly allocates the scattered and intermittent electric energy, so that the electricity generation and the electricity utilization are effectively allocated.
1. The existing water meter wireless meter reading technology increases the system cost by using an airborne battery;
2. the technical scheme of an airborne battery used for wireless meter reading of the existing water meter is not sustainable;
3. the invention provides a necessary relation of utilizing the kinetic energy of water inevitably generated by urban and tap water users when using water;
4. the micro power grid uniformly allocates the electric energy generated by the water kinetic energy generator of one family, and stores the excessive electric energy;
5. the technology of the invention can give up the technical scheme of the onboard battery, and can effectively avoid the above disadvantages;
the technical scheme provided by the application proposal is as follows:
a pipeline turbine power generation microgrid, comprising: each water meter is connected with a pipeline hydraulic generator, the pipeline hydraulic generators are connected with a power management and energy storage device together, and the N pipeline hydraulic generators are combined into a network to form a micro power grid for providing power for meter reading of the water meters; wherein, power management and energy storage device includes: the control circuit and the storage battery connected with the control circuit drive the corresponding pipeline hydraulic generator to generate power through tap water of the water meter, and the generated electric energy enters the power management and energy storage device, charges the storage battery and stores the electric energy; the storage battery is connected to the water meter data acquisition module and the water meter working state driving module, and therefore the storage battery provides electric power for the water meter data acquisition module and the water meter working state driving module to operate. Preferably, 6 to 8 of N are selected.
Wherein, the pipeline hydraulic generator is a tap water pipeline micro water flow generator for industrial grade. In addition, 6-8 modules are applied for networking, so that the availability of power generation can be ensured; moreover, the system is applied to wireless meter reading, and green application of power supply of a disposable battery for water meter reading can be avoided.
Preferably, still have wireless module and loRa node module, loRa node module connects wireless module to link together with water gauge, pipeline hydraulic generator and power management and energy memory. Wherein, the LoRa node module can realize low-power wireless transmission LoRaWAN technique, has fine technological effect.
Preferably, the 6-8 pipeline miniature hydraulic generators are connected in parallel with a star-shaped network.
Preferably, the power management and energy storage device reads the electric energy of each pipeline hydro-generator and supplies power to the valve control switch of the water meter and the remote meter reading module which are connected with the pipeline hydro-generator which does not work.
Preferably, a control circuit is further provided, wherein each pipeline hydro-generator is connected to one control circuit, wherein the control circuit includes: the control circuit starts the boost-buck circuit, the whole circuit does not consume power when the power is not generated, meanwhile, the switching times of the boost-buck circuit can be adjusted according to the voltage, the energy taking size is dynamically controlled, and finally 4.5V stable voltage is output to be connected to the grid.
The power dispatching principle of the micro power grid is as follows:
the miniature hydraulic generator with 6-8 pipelines is connected in parallel to form a star-shaped network.
Each path of miniature hydro-generator drives the miniature hydro-generator to generate electricity based on the water flow pressure of daily water used by a user. Due to the randomness of water consumption of users, the power generation possibility of the multi-path miniature water turbine is obviously increased, namely, some users may not use water, the branch miniature water turbine generator does not work, and meanwhile, other users use water, the branch miniature water turbine generator generates power corresponding to the branch miniature water turbine generator, so that the effective utilization of water flow power generation energy is guaranteed. The electric energy is supplied to a valve control switch of the 6-8 water meters and a remote meter reading module through the random power generation of the 6-8 micro hydraulic generators, so that the condition that the valve control and remote meter reading of the water meters lack the electric energy due to long-term water non-use of users is avoided, and the effective dispatching of a micro power grid is realized. The micro power grid dispatching system has the characteristic of wide voltage input and constant voltage output
Each hydraulic generator is connected with more than one circuit, alternating current energy is rectified and filtered, when the voltage is higher than 1V, the boost-buck circuit is started, the whole circuit does not consume power when power is not generated, meanwhile, the switching times of the boost-buck circuit can be adjusted according to the voltage, the energy taking is dynamically controlled, and finally 4.5V stable voltage is output to be connected to the grid.
The power management function of the micro power grid is as follows:
the multi-channel pipeline micro hydraulic generators are connected in parallel to form a network to output electric energy, the electric energy enters the power management circuit to extract the energy of the generators in a constant current source mode to charge the energy storage batteries, and the power management circuit strengthens effective management of loads and can output stable voltage.
The power management circuit guarantees not to cause the damage of miniature hydraulic generator to energy memory along with pipeline rivers velocity of flow change on the one hand, and on the other hand also guarantees constant voltage output to its load.
The core component of micro-grid is miniature hydraulic generator, and the high efficiency converts the hydrodynamic energy into the electric energy to do not influence user's water and experience, then multichannel electric energy carries out the light heavy control of load (can influence the water pressure difference) and steps up and down the pressure (guarantee can the generating energy all usable) through power management circuit, and the last energy storage supplies the outside to use in the domestic animal battery.
The LoRa node module is a transmission channel for low-power consumption wireless remote meter reading, adopts the competitive remote Internet of things technology in the industry, and is based on linear frequency modulation spread spectrum modulation, so that the LoRa node module maintains the same low-power consumption characteristic as FSK modulation, but obviously increases the communication distance. LoRaWAN Module (LWM) is a highly integrated low-power consumption wireless control Module, mainly adopts LoRa patent remote modulation and demodulation technology, and compared with similar devices, the radio frequency solution used by LWM obviously optimizes various performances such as phase noise, selectivity, receiver linearity, third-order input intercept point (IIP 3) and the like on the basis of greatly reducing current consumption. The LWM is internally provided with the low-power consumption MCU and is used for ultra-long distance spread spectrum communication, and the anti-interference performance and the sensitivity are greatly improved while the current consumption is reduced to the maximum extent. In addition, the integration of the LoRa module high sensitivity and the power amplifier enables the link budget of the devices to reach the leading level of the industry, the devices become products with extremely high requirements on long-distance transmission and reliability, and the devices support the international standards of WM-Bus, IEEE802.15.4g and the like. It has the following characteristics:
the anti-interference is strong: the method is one of the main characteristics of spread spectrum communication, and because signal reception can be obtained only by carrying out related despreading processing on spread spectrum codes, interference does not work even if signals of the same type are interfered;
the concealment is good: because the signal is spread over a wide frequency band, the signal power spectral density is extremely low, which is not only difficult to be found, but also causes less interference to other communication devices;
the communication distance is long: when the LoRa technical series products work within the limits set by the U.S., European Union, China and Japan regulatory agencies, the data transmission distance in suburbs can be increased to more than 15 kilometers (9 miles), and the data transmission distance in urban dense areas can be increased to 2-5 kilometers (3 miles), so that the requirement on the repeater can be remarkably reduced.
According to the scheme, a plurality of generators can be connected with the grid, and the generators are connected with the storage battery through the power management system, so that reliable electric energy can be provided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A pipeline turbine power generation microgrid, comprising: the pipeline of each water meter is connected with a pipeline hydraulic generator, the pipeline hydraulic generators are connected with a power management and energy storage device together, and the N pipeline hydraulic generators are combined into a network to form a micro power grid for providing power for the meter reading of the water meters; wherein, power management and energy storage device includes: the control circuit and the storage battery connected with the control circuit drive the corresponding pipeline hydraulic generator to generate power through tap water of the water meter, and the generated electric energy enters the power management and energy storage device, charges the storage battery and stores the electric energy; wherein, the battery is connected to water gauge data acquisition module and Lora node module again to provide its both electric power that operate from this.
2. The pipeline hydro-turbine power generation microgrid of claim 1 further comprising an antenna module and a LoRa node module, wherein the LoRa node module is connected with the antenna module and is connected with a water meter, a pipeline hydro-generator and a power management and energy storage device.
3. The pipeline turbine power generation microgrid of claim 1 or 2, wherein 6-8 pipeline miniature hydro-generators are connected in parallel in a star-shaped grid.
4. The pipeline turbine power generation microgrid of claim 1, wherein the power management and energy storage device receives electrical energy of each pipeline hydro-generator and supplies power to a valve-controlled switch of a water meter and a remote meter reading module connected to the pipeline hydro-generator which is not in operation.
5. The pipeline turbine power generation microgrid of claim 1, further provided with a control circuit, wherein each pipeline hydro-generator is connected with one control circuit, wherein the control circuit comprises: the control circuit starts the boost-buck circuit, the whole circuit does not consume power when the power is not generated, meanwhile, the switching times of the boost-buck circuit can be adjusted according to the voltage, the energy taking size is dynamically controlled, and finally 4.5V stable voltage is output to be connected to the grid.
6. The pipeline turbine power generation microgrid of claim 1, wherein the pipeline turbine generator extracts generator energy in the form of a constant current source to charge an energy storage battery, and the power management and energy storage device is capable of outputting stable voltage for load effective management.
7. The pipeline turbine power generation microgrid of claim 1, wherein the power management and energy storage device ensures on one hand that the power management and energy storage device does not cause damage to the energy storage device by the miniature hydro-generator with changes in the flow rate of the pipeline water flow, and on the other hand, also ensures constant voltage output to the load.
8. The pipeline turbine power generation microgrid of claim 1, wherein the pipeline turbine generator comprises a housing, a turbine section and an electric energy conversion section, the turbine section is disposed in a turbine housing, and the turbine section and the electric energy conversion section are connected with each other; an impeller is arranged in a water wheel shell, the impeller drives a permanent magnet through a shaft to generate electric energy, a strong permanent magnet is arranged in a framework, and a front end cover of the framework is connected with a lower cover; the water turbine shell is provided with a water inlet and a water outlet, and the water energy of the water inlet and the water outlet forming axial flow drives the water turbine rotor to generate power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810135181.7A CN108110797A (en) | 2018-02-09 | 2018-02-09 | A kind of pipeline hydraulic turbine power generation micro power network |
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| CN201810135181.7A CN108110797A (en) | 2018-02-09 | 2018-02-09 | A kind of pipeline hydraulic turbine power generation micro power network |
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2018
- 2018-02-09 CN CN201810135181.7A patent/CN108110797A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005164319A (en) * | 2003-12-01 | 2005-06-23 | Systec:Kk | Self-generating power source for city water meter checking device and automatic city water meter checking system |
| CN103346588A (en) * | 2013-07-12 | 2013-10-09 | 浙江科技学院 | Tap water flow grid-combining electricity generating device |
| US20150260151A1 (en) * | 2014-03-17 | 2015-09-17 | Lsis Co., Ltd. | System for controlling water turbine generator for waterworks |
| CN106703125A (en) * | 2015-11-16 | 2017-05-24 | 宁波市润桥工业设计有限公司 | Energy saving system for building |
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Application publication date: 20180601 |