CN104654535A - Turbo type flow control device - Google Patents
Turbo type flow control device Download PDFInfo
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- CN104654535A CN104654535A CN201410640625.4A CN201410640625A CN104654535A CN 104654535 A CN104654535 A CN 104654535A CN 201410640625 A CN201410640625 A CN 201410640625A CN 104654535 A CN104654535 A CN 104654535A
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- Prior art keywords
- power
- flow
- control device
- electric power
- turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention provides a turbo type flow control device which does not employ a valve core to control an actual flow and to aim to save electricity. In actual flow control, part of energy wasted by heating is recycled as electric energy to reutilize energy and to contribute to saving energy. The turbo type flow control device is provided with a power generation part (306) and a turbine (308). The power generation part (306) is provided with a rotor (6) and a stator (7). The rotor (6) is provided with a ring (6-1) with a permanent magnet and impellers (6-2) integrated on inner sides of the ring (6-1). The impellers (6-2) of the rotor (6) are used as the turbine (308). A definite flow changing values with load change of a supply object of a fluid is used as input; a real flow of a fluid passing through a flow path is estimated according to a current angular speed of the turbine (308) and a current torque of the power generation part (306), so as to control the torque of the power generation part (306) which allows the estimated real flow to be consistent with the definite flow.
Description
Technical field
The present invention relates to a kind of turbine that uses to control the turbine type flow control device of the flow of fluid.
Background technology
In the past, there is in air-conditioner control system the air conditioner of fan coil unit (FCU) etc., for the heat exchanger supply hot and cold water to this air conditioner.Lead to air conditioner heat exchanger hot and cold water supply passageway on be provided with flow control valve, be provided with air conditioning control device (controller) using as the device of aperture controlling this flow control valve.
The aperture of air conditioning control device to flow control valve controls, with make the indoor temperature in control object space measured value and for the indoor temperature set by this indoor temperature setting value between deviation for zero, described control object space is subject to the supply of the adjustment air from air conditioner.Thus, the quantity delivered to the hot and cold water of the heat exchanger of air conditioner is controlled, and is regulated (for example, referring to patent document 1) from air conditioner to the temperature of the adjustment air in control object space.
Prior art document
Patent document
Patent document 1 Japanese Unexamined Patent Publication 2008-45855 publication
Patent document 2 Japanese Unexamined Patent Publication 2012-241659 publication
Patent document 3 Japanese Unexamined Patent Publication 5-106753 publication
Summary of the invention
The problem that invention will solve
But, in above-mentioned air-conditioner control system, the flow control valve being arranged at the supply passageway of hot and cold water makes the aperture area of the embolism (plug) be set up as spool in stream change, produce the pressure loss, thus realizing flow-control, the energy suitable with now the produced pressure loss is wasted as heating.Again, exist in order to driver's valve core and need powerful problem.
In addition, in patent document 2, the TRT utilizing residual compression of the water channel facility that the pressure of the running water reducing supply channel generates electricity is shown.This water channel facility utilize in the TRT of residual compression, the generator that there is the hydraulic turbine set in the supply channel of running water circulation and generated electricity by the rotation of the hydraulic turbine, by the rotational resistance of the hydraulic turbine produced by the load of electrical generation of generator, reduce the pressure in the downstream of the hydraulic turbine.
In this patent document 2, as embodiment 2, illustrate that the moment of torsion controlling generator is to make the technology of flow for target flow of the hydraulic turbine.Below, this technology is called the technology of patent document 2.
Specifically, detect the angular speed of the hydraulic turbine, the estimated flow of the hydraulic turbine is calculated according to the angular speed of this hydraulic turbine and torque command value, according to this estimated flow, decompression amount is estimated, the torque command value for realize target flow is calculated according to this estimation decompression gauge, get the difference of estimated flow and target flow, the feedback term of flow is appended to torque command value, get the difference of target angular velocity and angular speed, the feedback term of angular speed is appended to torque command value, the torque command value of the feedback term having added this flow and angular speed is exported to inverter (with reference to [0043] ~ [0049] section of reference document 2, Fig. 7, the record of Fig. 8 etc.).
In this technology shown in patent document 2, target flow is the desired value being equivalent to target reduced pressure amount (upstream side of the hydraulic turbine and the pressure differential in downstream), the same with target reduced pressure amount, is set to the setting determined according to water channel facility.
That is, in the technology shown in patent document 2, using the value of target flow for certain value is constant as prerequisite, the moment of torsion of generator is controlled, to make estimated flow with consistent by the target flow determined as this fixed value.That is, in patent document 2, do not consider that the value changing target flow is to control actual flow, only utilizes the residual compression of water channel facility to produce electric energy.
Again, in patent document 3, illustrate that a kind of TRT is valve-embedded, it possesses: TRT, described TRT have be configured in valve clack box in, rotor that fluid energy when utilizing valve core opening rotates and the generator that generated electricity by the rotation of this rotor; Store the electrical storage device of the electric power that this TRT produces; The motor utilizing the output voltage of this electrical storage device to start; And the rotation of this motor is exported the Poewr transmission mechanism being passed to valve rod, the valve-embedded circuit electrical storage device and motor being carried out circuit connection of described TRT is provided with the rotating and stopping the opening and closing device making it run of selecting motor.
This TRT shown in patent document 3 is valve-embedded owing to making " TRT " be made up of with generator rotor be separated setting with " valve gear " controlled circulation and the cut-out of fluid in inside, therefore constituent part is more, and the flow direction of fluid maximizes.Again, in this citing document 3, do not consider that the value changing target flow is to control actual flow, only utilizes the fluid energy produced during the valve opening of spool, makes the automatic opening and closing of spool, reduce energy loss yet.In addition, though generation power can be utilized to make spool automatic switch, owing to using spool, therefore need high-power.
The present invention makes to solve such problem just, its object is to, provide a kind of do not use spool and control actual flow, turbine type flow control device that energy-saving technology can be sought.
Again, providing a kind of when controlling actual flow, the part as the energy be wasted that generates heat can be reclaimed as electric energy, seeking the recycling of energy, to the energy-conservation turbine type flow control device contributed.
The means of dealing with problems
In order to reach such object, the feature of turbine type flow control device of the present invention is to have: turbine, and the power conversion flowing through the fluid of stream is rotary motion energy by described turbine; The Power Generation Section that the rotary motion power conversion changed by turbine is electric energy; Setting flow input part, described setting flow portion input setting flow, the value of described setting flow changes according to the load change of the supply object of fluid; Flow-control portion, the actual flow of the fluid flowing through stream is estimated according to the current torque of the current angular velocity of turbine and Power Generation Section by described flow-control portion, calculates the moment of torsion of the actual flow making this estimated Power Generation Section consistent with setting flow; Power Generation Section, the moment of torsion that described Power Generation Section calculates based on flow-control portion, controls (technical scheme 1) the moment of torsion of Power Generation Section.
According to the present invention, once setting flow changes according to the load change of the supply object of fluid, according to the current angular velocity of turbine and the current torque of Power Generation Section, estimate the actual flow of the fluid flowing through stream, the moment of torsion of Power Generation Section is controlled, consistent with setting flow with the actual flow making this estimated.Thus, in the present invention, be not by spool, but pass through the rotation torque of moment of torsion, the i.e. turbine 308 of Power Generation Section 306, control flow check crosses the flow of the fluid of stream.
In the present invention, arrange further: Reserve Power Division, the electric energy savings that Power Generation Section is changed by described Reserve Power Division is electric power storage electric power; And power supply unit, the electric power that the electric power storage electric power put aside in Reserve Power Division uses in turbine type flow control device carries out distributing (technical scheme 2) by described power supply unit.Thus, the electric energy that Power Generation Section is changed is accumulated in Reserve Power Division as electric power storage electric power, namely, the energy being converted into the fluid of rotary motion energy by turbine is converted to electric energy further by Power Generation Section and accumulates in Reserve Power Division as electric power storage electric power, the electric power storage electric power accumulated of this Reserve Power Division by as in turbine type flow control device the electric power that uses and distributing.
Although in the present invention, the electric power storage electric power that Reserve Power Division is put aside by power supply unit distributes as the electric power used in turbine type flow control device, if but all can be supplied the running of self by the electric power storage electric power that Reserve Power Division is put aside, then ideal.But, even completely ideally, also have when cannot supply with electric power storage electric power.Suppose under such circumstances, in the present invention, in the hypodynamic situation of electric power storage electricity that Reserve Power Division is put aside, the electric power that the electric power converged with the electric power supplied from external power source uses in turbine type flow control device is distributed, in the remaining situation of electric power storage electric power that Reserve Power Division is put aside, the electric power of this remainder is regenerated (technical scheme 3) in commercial power source as dump power.
In the present invention, the data from outside comprising setting flow also can be received by any one in wire/wireless.Again, the regeneration of dump power to commercial power source and the supply of the electric power from external power source also can be undertaken (technical scheme 4 ~ 7) by any one in wire/wireless.If comprise the reception of the data from outside of setting flow, the regeneration of dump power to commercial power source and providing of the electric power from external power source all to be undertaken by wireless, the distribution leading to turbine type flow control device can all be eliminated.Again, all supply self running with the electric power storage electric power of Reserve Power Division accumulation, then to stop to the supply of turbine type flow control device, from the electric power of outside, complete wireless penetration can being realized.
Invention effect
According to the present invention, the power conversion being provided with the fluid by flowing through stream is the turbine of rotary motion energy, and the Power Generation Section that the rotary motion power conversion to be changed by turbine is electric energy, the load change of the supply object according to fluid is worth the setting flow of change as input, the actual flow of the fluid flowing through stream is estimated according to the current angular velocity of turbine and the current torque of Power Generation Section, control the moment of torsion of Power Generation Section, the actual flow making this estimated is consistent with setting flow, therefore do not use when spool and actual flow is controlled, energy-saving technology can be sought.Again, when controlling actual flow, the part as the energy be wasted that generates heat being reclaimed as electric energy, seeks the recycling of energy, also possibility is become to energy-conservation contributing.Again, can realize flow-control and these two kinds of functions of generating by " TRT " be made up of turbine and Power Generation Section, constituent part tails off, and can realize miniaturization.
Accompanying drawing explanation
Fig. 1 is the meter diagram of the embodiment that the air-conditioner control system employing turbine type flow control device involved in the present invention is shown.
The structure chart of the critical component of first embodiment (embodiment 1) of turbine type flow control device of Fig. 2 for using in this air-conditioner control system.
Fig. 3 extracts out and the stereogram of the critical component of the Power Generation Section in this turbine type flow control device is shown.
Fig. 4 is the stereogram of the rotor illustrated in the pipeline being arranged at this turbine type flow control device.
Fig. 5 is the structure chart of the critical component of the turbine type flow control device of embodiment 2.
Fig. 6 is the structure chart of the critical component of the turbine type flow control device of embodiment 3.
Fig. 7 is the structure chart of the critical component of the turbine type flow control device of embodiment 4.
Detailed description of the invention
Below, based on accompanying drawing, embodiment of the present invention is described in detail.Fig. 1 is the meter diagram of the embodiment that the air-conditioner control system employing turbine type flow control device involved in the present invention is shown.
In Fig. 1,1 is control object space, 2 is supply the air conditioner (FCU) of air through regulating to this control object space 1,3 is turbine type flow control device involved in the present invention, 4 is air conditioning control device (controllers), and 5 is the external power sources arranged for turbine type flow control device 3.
Air conditioner 2 has heat exchanger (hot and cold water coil pipe) 2-1 and blower fan 2-2.Turbine type flow control device 3 is arranged in the supply passageway (stream) of the hot and cold water of the heat exchanger 2-1 leading to air conditioner 2.In this example, turbine type flow control device 3 is arranged at the water return pipeline LR of the hot and cold water returned from the heat exchanger 2-1 of air conditioner 2.
In addition, as the heat exchanger 2-1 of air conditioner 2, there are the heat exchanger of single coil pipe type and the heat exchanger of dual coil pipes type, the heat exchanger of described single coil pipe type utilizes a coil pipe, when for carrying out heat exchange as cold water during air-cooling system, when for carrying out heat exchange as hot water during heater unit, the heat exchanger of described dual coil pipes type utilizes two coil pipes, when for carrying out heat exchange by chilled water coil during air-cooling system, when for carrying out heat exchange by hot-water coil pipe during heater unit.In this example, heat exchanger 2-1 is single coil pipe type.
In control object space 1, be provided with indoor temperature transmitter 5, it measures using as indoor temperature to the temperature in this control object space 1.Controller 4 is sent to by the indoor temperature (the detected value tpv of indoor temperature) measured by indoor temperature transmitter 5.
Controller 4 using the deviation between the setting value tsp of the detected value tpv and indoor temperature that make indoor temperature be zero as control export, the setting flow Qsp of hot and cold water of the heat exchanger 2-1 leading to air conditioner 2 is calculated, the setting flow Qsp after this calculating is sent to turbine type flow control device 3.
[turbine type flow control device: embodiment 1]
The structure chart of the critical component of first embodiment (embodiment 1) of turbine type flow control device 3 shown in Figure 2.The turbine type flow control device 3 (3A) of this embodiment 1 comprises data communication section 301, systems control division 302, flow-control portion 303, Power Generation Section control part 304, inverter 305, Power Generation Section 306, position sensor 307, turbine 308, power supply unit 309, commercial power source reproducing unit 310 and Reserve Power Division 311, and wired connection between controller 4 and between external power source 5.
Data communication section 301 has the function of carrying out the transmitting-receiving of data with controller 4, receives the data of the setting value of self-controller 4 etc., the data of the internal state of turbine type flow control device 3 etc. are sent to controller 4.
Systems control division 302 has the function controlled the entire system of turbine type flow control device 3, input the reception data of the setting value etc. from data communication section 301, export to data communication section 301 such as the transmission data of the internal state of turbine type flow control device 3 etc.Again, according to the reception data of the setting value from data communication section 301 etc., select setting flow Qsp as flow setting value, the flow setting value Qsp this selected exports flow-control portion 303 to.
Flow-control portion 303 has: according to from magnitude of angular velocity (current angular velocity of the turbine 308) ω of Power Generation Section control part 304 and torque value (current torque of Power Generation Section 306) T, the function of estimation dimensionless flow and dimensionless pressure reduction; According to the dimensionless flow estimated and dimensionless pressure reduction, the function of estimation actual flow Q and actual pressure differential Δ P; Calculated making the moment of torsion of the actual flow Q of the estimation Power Generation Section 306 consistent with flow setting value Qsp by flow-control rule, using the function as torque setting value Tsp, described flow-control portion 303 inputs the flow setting value Qsp from systems control division 302, the magnitude of angular velocity ω from Power Generation Section control part 304 and torque value T, exports torque setting value Tsp as calculated to Power Generation Section control part 304.
Power Generation Section control part 304 has: the phase voltage setting value controlling rule subtend inverter 305 according to moment of torsion calculates, with the function making the moment of torsion of Power Generation Section 306 become torque setting value Tsp; The position of magnetic pole of the rotor of the Power Generation Section 306 detected according to position sensor 307, calculates the current angular velocity of turbine 308, using the function as magnitude of angular velocity ω; According to current phase voltage value and the phase current values of the stator winding of the Power Generation Section 306 from inverter 305, the current torque of Power Generation Section 306 is calculated, using as torque value T, the position of magnetic pole that described Power Generation Section control part 304 input position sensor 307 detects, from the phase voltage value of inverter 305 and phase current values, torque setting value Tsp from flow-control portion 302, export the magnitude of angular velocity ω calculated and torque value T to flow-control portion 303, export the phase voltage setting value calculated to inverter 305.
Inverter 305 has: input the phase voltage setting value from Power Generation Section control part 304, phase voltage setting value is exported to the function of the stator winding of Power Generation Section 306; Make the function that the electric power generated electricity by Power Generation Section 306 regenerates in Reserve Power Division 311, the main power source that described inverter 305 receives from power supply unit 309 carries out action.
Power Generation Section 306, as extracted out in Fig. 3 and illustrating its critical component, has rotor 6 and stator 7.Rotor 6 has: the ring 6-1 that permanent magnet is housed, and is integrally provided on the impeller 6-2 of inner side of this ring 6.Rotor 6 makes the axle center of its axle center and pipeline as one man be arranged in pipeline (with reference to Fig. 4), is subject to the current of the hot and cold water flowing through pipeline and integral-rotation.That is, ring 6-1 and impeller 6-2 becomes and rotates integratedly.In Fig. 2, for simplicity, using impeller 6-2 as turbine 308, separate with Power Generation Section 306 and represent.
Stator 7 is wound with coil, using this coil as stator winding, obtains the electric power generated electricity by the rotation of rotor 6.In addition, position sensor 307 is installed in stator 7, detects the position of the magnetic pole of the permanent magnet be loaded in ring 6-1, using the position of magnetic pole as rotor 6.In this example, adopt Hall integrated circuit as position sensor 307.
Power supply unit 309 inputs electric power from external power source 5 and the electric power storage electric power put aside in Reserve Power Division 311, and distributes as the electric power used in turbine type flow control device 3A.In this example, using the electric power to inverter 305 as main power source, using the electric power to data communication section 301, systems control division 302, flow-control portion 303, Power Generation Section control part 304 etc. as each control part power supply.
Power supply unit 309 converges and distributes from the electric power of external power source 5 and the electric power put aside in the electric power storage electric power of Reserve Power Division 311, but carries out priority allocation to the electric power storage electric power put aside in Reserve Power Division 311.At this, when putting aside the generation of the electric power storage electric power in Reserve Power Division 311 deficiency, the electric power having converged the electric power supplied from external power source 5 is distributed, under in Reserve Power Division 311, the electric power storage electric power of savings has remaining situation, by commercial power source reproducing unit 310, the electric power of this remainder is regenerated commercial power source (in this example, external power source 5) as dump power.
In this turbine type flow control device 3A, the function in each portion such as data communication section 301, systems control division 302, flow-control portion 303, Power Generation Section control part 304, inverter 305, power supply unit 309, commercial power source reproducing unit 310 is achieved by the hardware that is made up of processor, storage device, digital in-output circuit, analog input/output circuit, Power Electronic Circuit etc. with the program that above-mentioned hardware realizes various function synergistically.
Next, the characteristic action in this turbine type flow control device 3A is described.If the setting flow Qsp carrying out the hot and cold water of self-controller 4 changes, the i.e. words that the setting flow Qsp of hot and cold water changes according to the load change of the supply object of hot and cold water, turbine type flow control device 3A receives this setting flow Qsp changed by data communication section 301, and the setting flow Qsp that this receives by data communication section 301 is sent to systems control division 302.
Systems control division 302 selects setting flow Qsp using as flow setting value Qsp, and is sent to flow-control portion 303.Flow-control portion 303 is according to from magnitude of angular velocity (current angular velocity of the turbine 308) ω of Power Generation Section control part 304 and torque value (current torque of Power Generation Section 306) T, estimation dimensionless flow and dimensionless pressure reduction, the dimensionless flow estimated according to this and dimensionless pressure reduction, estimation actual flow and actual pressure differential.Further, calculate the torque setting value Tsp that estimated actual flow of sening as an envoy to is consistent with flow setting value Qsp, and be sent to Power Generation Section control part 304.
Power Generation Section control part 304 receives the torque setting value Tsp from systems control division 302, calculates, and be sent to inverter 305 to the phase voltage setting value making the moment of torsion of Power Generation Section 306 become torque setting value Tsp.Inverter 305 receives the phase voltage setting value from Power Generation Section control part 304, phase voltage setting value is exported to the stator winding of Power Generation Section 306.Thus, the moment of torsion of Power Generation Section 306 is consistent with torque setting value Tsp, the actual flow of the hot and cold water flowing through pipeline is adjusted to flow setting value Qsp.
Like this, according to the present embodiment, be not by spool, but pass through the rotation torque of moment of torsion, the i.e. turbine 308 of Power Generation Section 306, control the flow flowing through the fluid of pipeline.Therefore, without the need to as drive spool situation high-power, namely can seek energy-saving technology.
Again, in the present embodiment, the electric power generated electricity by Power Generation Section 306 is put aside in Reserve Power Division 311, is sent to power supply unit 309 as electric power storage electric power, is used to each portion in turbine type flow control device 3.Thus, when controlling actual flow, the part as the energy be wasted that generates heat is recovered as electric energy, is again utilized at turbine type flow control device 3.Again, in present embodiment, when the electric power storage electric power remnants put aside in Reserve Power Division 311, regenerate in commercial power source using the electric power of this remainder as dump power, the dump power therefore in turbine type flow control device 3 is also effectively used.Such as, if dump power to be supplied to other devices such as sensor or controller, can comprehensively contribute to energy-conservation.
Again, according to the present embodiment, due to flow-control and these two kinds of functions of generating can be realized in " TRT " that be made up of turbine 308 and Power Generation Section 306, namely flow-control and these two kinds of functions of generating can be realized in shown in figure 3 " TRT " that be made up of rotor 6 and stator 7, so there is no " valve gear " as shown in patent document 3, can constituent part be reduced, realize miniaturized.Thereby, it is possible to formed turbine type flow control device with the size of existing flow control valve, by the flow control valve established is replaced with turbine type flow control device, then can seek energy-conservation.
Again, in present embodiment, according to the current angular velocity ω of the turbine 308 and current torque value T of Power Generation Section 306, the actual flow of the hot and cold water of pipeline is flow through in estimation, control the moment of torsion of Power Generation Section 306 to make the actual flow of this estimation consistent with flow setting value Qsp, therefore, it is possible to get rid of the sensor class of pressure sensor at high price or flow sensor etc., can improve cost and suppress.
[turbine type flow control device: embodiment 2]
Although in the turbine type flow control device 3A of embodiment 1 and carry out wired connection between controller 4, also can and controller 4 between carry out wireless connections.In Fig. 5, the structure of the critical component carrying out the turbine type flow control device 3 (3B) of wireless connections between controller 4 is illustrated as embodiment 2.
In Figure 5, the symbol identical with Fig. 2 represents component that is identical with the component illustrated with reference to Fig. 2 or that be equal to, omits this explanation.In this turbine type flow control device 3B, replace data communication section 301 that RFDC portion 312 is set, carried out the transmitting-receiving of the data between controller 4 by antenna 313 wirelessly.
[turbine type flow control device: embodiment 3]
Although in the turbine type flow control device 3A of embodiment 1 and carry out wired connection between external power source 5, also can and external power source 5 between carry out wireless connections.In Fig. 6, the structure of the critical component carrying out the turbine type flow control device 3 (3C) of wireless connections between external power source 5 is illustrated as embodiment 3.
In figure 6, the symbol identical with Fig. 2 represents component that is identical with the component illustrated with reference to Fig. 2 or that be equal to, omits this explanation.In this turbine type flow control device 3C, replace commercial power source reproducing unit 310 and wireless power receiving and transmitting part 314 is set, power supply unit 309 is sent to from the electric power of external power source 5 by antenna 315 wireless receiving, by antenna 315 by the regeneration in commercial power source (in this example, external power source 5) wirelessly of the dump power from power supply unit 309.
[turbine type flow control device: embodiment 4]
Although in the turbine type flow control device 3A of embodiment 1 and between controller 4 and and external power source 5 between all carry out wired connection, also can and controller 4 between and and external power source 5 between all carry out wireless connections.In Fig. 7, using between controller 4 and and external power source 5 between all carry out the critical component of the turbine type flow control device 3 (3D) of wireless connections structure illustrate as embodiment 4.
In the figure 7, the symbol identical with Fig. 2 represents component that is identical with the component illustrated with reference to Fig. 2 or that be equal to, omits this explanation.In this turbine type flow control device 3D, replace data communication section 301 that RFDC portion 312 is set, carried out the transmitting-receiving of the data between controller 4 by antenna 316 wirelessly.Again, replace commercial power source reproducing unit 310 and wireless power receiving and transmitting part 314 is set, power supply unit 309 is sent to from the electric power of external power source 5 by antenna 316 wireless receiving, and by antenna 316, the dump power from power supply unit 309 is regenerated in commercial power source (in this example, external power source 5) wirelessly.
In this turbine type flow control device 3D, and between controller 4 and and external power source 5 between all carry out wireless connections, therefore can not use the distribution with turbine type flow control device 3D completely.Thus, by not using wiring material, improve application property/maintainability, do not spend distribution man-hour, the reduction of the number of working processes under adverse circumstances, establish building additional instrument under the reduction etc. of the number of working processes, what caused by wireless penetration is expected the contribution that environmental loads reduces.
In addition, can and external power source 5 between to carry out wireless connections are mixed types by turbine type flow control device 3D being made the electric power using electric power and Power Generation Section 306 from external power source 5 to generate electricity, thus the quantity delivered from the electric power of external power source 5 is reduced.
In existing flow control valve (using the valve of spool), by using battery, complete wireless penetration can be considered, but due to the long-time driving utilizing the flow control valve of battery cannot be realized, therefore be judged as being difficult to realize.That is, the various problem such as low power consumption quantification, the low periodization of communication frequency, the high density electrification of battery of control circuit, telecommunication circuit must be solved, be difficult in existing flow control valve realize complete wireless penetration.
To this, in present embodiment, by making the mixed type from the electric power of outside and the electric power in inside generating, the complete wireless penetration being difficult to the flow control valve realized so far can be realized, can be described as the epoch-making device do not had so far.In the present invention, owing to not using spool, be not therefore called flow control valve, but be called turbine type flow control device.Again, in the present invention, all supply self running with the electric power of inside generating, then to cancel to the supply of turbine type flow control device from the electric power of outside, complete wireless penetration can be realized.
In addition, though above-mentioned embodiment is described as the example used in air-conditioner control system, but obviously can not be defined to air-conditioner control system, above-mentioned embodiment can be applicable to the application program of various flow-control, is extended to further in general industry equipment and also can be suitable for.Again, the fluid controlling flow is also not limited to the liquid of hot and cold water etc., also can be the gases such as combustion gas.
[expansion of embodiment]
Above, although describe the present invention with reference to embodiment, the present invention is not limited to above-mentioned embodiment.For structure of the present invention and detailed content, those skilled in the art within the scope of technological thought of the present invention, can carry out the various changes that can understand.
The explanation of symbol
1: control object space, 2: air conditioner (FCU), 3 (3A ~ 3D): turbine type flow control device, 4: air conditioning control device (controller), LR: water return pipeline, 301: data communication section, 302: systems control division, 303: flow-control portion, 304: Power Generation Section control part, 305: inverter, 306: Power Generation Section, 6: rotor, 6-1: ring, 6-2: impeller, 7: stator, 307: position sensor, 308: turbine, 309: power supply unit, 310: commercial power source reproducing unit, 311: Reserve Power Division, 312: RFDC portion, 314: wireless power receiving and transmitting part, 313, 315, 316: antenna.
Claims (7)
1. a turbine type flow control device, is characterized in that, has:
Turbine, the power conversion flowing through the fluid of stream is rotary motion energy by described turbine;
Power Generation Section, the rotary motion power conversion that turbine is changed by described Power Generation Section is electric energy;
Setting flow input part, described setting flow input part input setting flow, the value of described setting flow changes according to the load change of the supply object of described fluid;
Flow-control portion, the actual flow of the fluid flowing through described stream is estimated according to the current torque of the current angular velocity of described turbine and described Power Generation Section by described flow-control portion, calculates the moment of torsion of the actual flow making this estimated described Power Generation Section consistent with described setting flow; And
Power Generation Section, the moment of torsion that described Power Generation Section calculates based on described flow-control portion, controls the moment of torsion of described Power Generation Section.
2. turbine type flow control device according to claim 1, is characterized in that having:
Reserve Power Division, the electric energy savings that described Power Generation Section is changed by described Reserve Power Division is electric power storage electric power; And
Power supply unit, the electric power that the electric power storage electric power put aside in described Reserve Power Division uses in described turbine type flow control device distributes by described power supply unit.
3. turbine type flow control device according to claim 2, is characterized in that,
In the hypodynamic situation of electric power storage electricity that described power supply unit is put aside in described Reserve Power Division, the electric power that the electric power converged with the electric power supplied from external power source uses in described turbine type flow control device is distributed, in the remaining situation of electric power storage electric power that described Reserve Power Division is put aside, the electric power of this remainder is regenerated commercial power source as dump power.
4. turbine type flow control device according to claim 3, is characterized in that,
Have data reception portion, described data reception portion receives the data from outside comprising described setting flow,
Described data reception portion by the data of cable network reception from described outside,
Described power supply unit carries out the regeneration of described dump power to source power supply by wired, and is supplied by the electric power of cable network reception from described external power source.
5. turbine type flow control device according to claim 3, is characterized in that,
Have data reception portion, described data reception portion receives the data from outside comprising described setting flow,
Described data reception portion by the data of wireless receiving from described outside,
Described power supply unit carries out the regeneration of described dump power to source power supply by wired, and is supplied by the electric power of cable network reception from described external power source.
6. turbine type flow control device according to claim 3, is characterized in that,
Have data reception portion, described data reception portion receives the data from outside comprising described setting flow,
Described data reception portion by the data of cable network reception from described outside,
Described power supply unit carries out the regeneration of described dump power to source power supply by wireless, and is supplied by the electric power of wireless receiving from described external power source.
7. turbine type flow control device according to claim 3, is characterized in that,
Have data reception portion, described data reception portion receives the data from outside comprising described setting flow,
Described data reception portion by the data of wireless receiving from described outside,
Described power supply unit carries out the regeneration of described dump power to source power supply by wireless, and is supplied by the electric power of wireless receiving from described external power source.
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| JP2013-237204 | 2013-11-15 | ||
| JP2013237204A JP6114680B2 (en) | 2013-11-15 | 2013-11-15 | Turbine flow controller |
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| CN104654535A true CN104654535A (en) | 2015-05-27 |
| CN104654535B CN104654535B (en) | 2017-07-14 |
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| CN201410640625.4A Active CN104654535B (en) | 2013-11-15 | 2014-11-13 | Turbine type flow control device |
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Also Published As
| Publication number | Publication date |
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| JP6114680B2 (en) | 2017-04-12 |
| CN104654535B (en) | 2017-07-14 |
| JP2015096791A (en) | 2015-05-21 |
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