CN207911062U - The distributed heat energy system of current vortex heating device and its composition - Google Patents
The distributed heat energy system of current vortex heating device and its composition Download PDFInfo
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- CN207911062U CN207911062U CN201820371037.9U CN201820371037U CN207911062U CN 207911062 U CN207911062 U CN 207911062U CN 201820371037 U CN201820371037 U CN 201820371037U CN 207911062 U CN207911062 U CN 207911062U
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Abstract
The utility model discloses a kind of current vortex heating devices, including three-phase input power supply, first contactor, phase-shifting transformer, H bridge power units, series resonance unit, master controller and electromagnetic heat exchanger, wherein, the both ends of first contactor are connect with the primary side of three-phase input power supply and phase-shifting transformer respectively.The quantity of H bridge power units is N number of, and the input terminal of N number of H bridge power units is connect with the vice-side winding of phase-shifting transformer, and the output end of each H bridge power units is correspondingly connected with a series resonance unit.Electromagnetic heat exchanger is equipped with coil, and the output end of each series resonance unit is all connected with an electromagnetic heat exchanger.Each H bridge power units are equipped with cell controller, and the cell controller of N number of H bridge power units is connect with master controller.The invention also discloses the distributed heat energy systems that above-mentioned current vortex heating device is constituted.The utility model is efficient, and for work(because of height, the different demands for the user that is content with very little are easy to utilize.
Description
Technical field
The utility model is related to a kind of heating device, specifically current vortex heating device and its distributed heat of composition can be
System.
Background technology
With atmosphere pollution getting worse, the environmental consciousness of people gradually increases, and in " coal changes electricity " heating system, uses
It is more and more universal that electromagnetic boiler substitutes coal-fired, oil burning boiler.Important component of the heating device as electromagnetic boiler, performance
There is significant impact to the popularization of electromagnetic boiler.103206735 A of Chinese patent application publication No. CN were in 07 month 2013 17
Day discloses a kind of high-frequency induction heating apparatus comprising high-frequency heating host, transformer, induction heating circle, water when applying
Water in well, which enters, to be heated with being squeezed into induction heating circle by water pump after water water pot and supplementary water tank, the hot water after heating
Deposit is used for bathing water with water water pot, and the steam deposit heating water pot generated after heating is warmed oneself for radiator.The heating fills
Set identical with most of electromagnetic heater on the market, voltage class is low, and electrical power is small, and it is less to be only applicable to heat source demand
Occasion uses, and the heat user of ton or more is steamed for heat source up to ten needed for industrial and mining enterprises, organ, cities and towns heating etc., corresponding
Electrical power in 7MW or more, big electrical power thermal energy conversion is completed using the AC power of 380VAC grades and is difficult to realize, this
The popularization and application of electromagnetic boiler are also affected to a certain extent.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of current vortex heating device, energy
Realize the demand of high-power thermal energy conversion, efficient, work(is designed because of height by the way of unit-modularized, is content with very little
The different demands of user, so it is easy to utilize.The invention also discloses points that above-mentioned current vortex heating device is constituted
Cloth heat energy system.
The purpose of this utility model is achieved through the following technical solutions：Current vortex heating device, including three-phase input
Power supply, first contactor, phase-shifting transformer, H bridge power units, series resonance unit, master controller and electromagnetic heat exchanger, institute
The both ends for stating first contactor are connect with the primary side of three-phase input power supply and phase-shifting transformer respectively；The H bridge power units
Quantity is N number of, wherein N is the positive integer more than or equal to 1, and the input terminal of N number of H bridge power units becomes with phase shift
The vice-side winding of depressor connects, and the output end of each H bridge power units is correspondingly connected with a series resonance unit；The electromagnetism
Heat exchanger is equipped with coil, and the output end of each series resonance unit is all connected with an electromagnetic heat exchanger, specifically and 9 Cr 2 steel using electromagnetic heating
The coil of exchanger connects；
Each H bridge power units are equipped with the cell controller for controlling its on/off, N number of H bridge power units
Cell controller connect with master controller.
The utility model is completed the control to multiple H bridge power units, the multiple-channel output of realization device by master controller.This
For utility model in application, high pressure power frequency AC is become medium frequency alternating current, intermediate frequency alternating current generates intermediate frequency alternating magnetic field,
Intermediate frequency alternating magnetic field will produce current vortex in electromagnetic heat exchanger, and current vortex makes fever temperature increase, thus by medium
（Water）Heating.
Further, current vortex heating device further includes precharge circuit units and second contactor, second contact
The both ends of device are connect with the primary side of precharge circuit units and phase-shifting transformer respectively.The preliminary filling electrical circuit of the utility model is logical
Cross another way power supply（Low pressure）It charges to filter capacitor in phase-shifting transformer excitation and H bridge power units circuit.Preliminary filling electrical circuit
In be equipped with can cut resistance limitation pre-charge current it is excessive.The utility model in application, after precharge, close a floodgate again by high tension loop
（It powers on）, it is avoided that high pressure combined floodgate is switching overvoltage and surge current.
Further, the precharge circuit units include low-tension supply and step-up transformer, the low-tension supply it is defeated
Outlet and the secondary winding of step-up transformer connect, and from the output end of low-tension supply between the secondary winding of step-up transformer
Circuit on be sequentially connected in series there are one A.C. contactor and P-1 resistor, wherein P is the positive integer more than 1, each resistance
An A.C. contactor in parallel, described to be pre-charged first winding and second of the circuit units especially by step-up transformer on device
Contactor connects.
Further, the H bridge power units include uncontrollable rectifier bridge, DC filtering circuit and H bridge single-phase inversion circuits,
The H bridge power units are connected especially by the input terminal of uncontrollable rectifier bridge and the vice-side winding of phase-shifting transformer, the direct current
The input terminal of filter circuit is connect with the output end of uncontrollable rectifier bridge；The quantity of the H bridges single-phase inversion circuit is M, wherein
M is positive integer more than or equal to 1, the output of the input terminals of the M H bridge single-phase inversion circuits with DC filtering circuit
End connection, the series resonance unit includes M series resonant tank, and the output end of each H bridges single-phase inversion circuit is corresponding
A series resonant tank is connected, M series resonant tank in same series resonance unit is all connected to the series resonance list
On the coil of the electromagnetic heat exchanger of member connection.Since IGBT device is limited by rated current, the utility model is by a H
Bridge power unit shares uncontrollable rectifier bridge and DC filtering circuit, using the connection type of multiple H bridges single-phase inversion circuit in parallel,
Convenient for expanding the capacity of single H bridge power units.
The series resonance unit of the utility model be equipped with a plurality of series resonant tank when, same series resonance unit it is a plurality of
Series resonant tank output is connected by way of in parallel, series connection or connection in series-parallel combination with the coil of electromagnetic heat exchanger.Series connection
The coil connection type of a plurality of series resonant tank and electromagnetic heat exchanger in resonant element depends on needed for user's heating system
The size of thermal energy can arbitrarily be combined by user demand.
Further, the electromagnetic heat exchanger further includes insulation temperature resistant pipe and heater, and the two of the insulation temperature resistant pipe
End opening is respectively heat medium import and Crude product input, and the coil is wound on the lateral wall of insulation temperature resistant pipe, institute
Heater is stated to be set in insulation temperature resistant pipe and in the region of coil encircling.Heater generates in traditional electromagnetic heat exchanger
A part of heated medium of heat（Water）It takes away, some can be distributed, and there is amount of heat to be lost in, this causes to heat
Efficiency is low.Heater is completely disposed at medium by the utility model（Water）In, it may make the heat that current vortex generates all by medium
（Water）It takes away, the utility model improves medium（Water）The position relationship of access and heater, makes medium（Water）Access is clipped in line
Between circle and heater, keep the heat that heater generates as much as possible by medium（Water）Access absorbs, and is avoided that heat distributes
Into air, and then the loss of heat can be reduced, promote the efficiency of heating surface.
Further include monitoring center based on the distributed heat energy system that above-mentioned current vortex heating device is constituted, the monitoring
Center includes central controller and the communication module that is connect with central controller, and the master controller of the current vortex heating device connects
It is connected to communication module, the monitoring center carries out information exchange with current vortex heating device by communication module.
Existing heating system is generally to concentrate to build heat supply owner by the way of, defeated to user over long distances by pipe network
Steam and hot water are sent, is had the following problems：1, heat supply owner emission problem cannot effect a radical cure；2, pipe network conveying heat loss is big；3、
Construction cost is high, takes up an area big, maintenance cost height；4, in underrun, operating cost is high；5 are not easy to realize distributed AC servo system,
Accomplish unattended.The utility model uses current vortex heating device, respectively uses more table apparatus disposed adjacents in each heat user
Hot spot, device are connected by Cloud Server remote monitoring center, remotely can be achieved with " who with whom is opened, instant to open ".
In conclusion the utility model has the advantages that：（1）The utility model directly inputs multichannel by high pressure
Output can realize the demand of high-power thermal energy conversion, and efficient, work(is because of height.The utility model is using unit-modularized
Mode designs, the different demands for the user that is content with very little, and concentration degree is high, takes up little area, and device adjacent user does not need pipe network, whole
Container-type designs, easy for installation and then easy to utilize.
（2）It is not easy to realize distributed AC servo system when existing electromagnetic heater application, is not easy to accomplish unattended.This reality
A master controller is used with novel current vortex heating device, you can realizes that PWM waveform calculates, the monitoring of the self diagnosis of equipment is controlled
System, and communicated with remote monitoring system realization, it is easy to accomplish intelligent networking control system.
（3）The utility model is provided with phase-shifting transformer in input side, and multiplex phase shift technology can be used and make this practicality
It is novel to power grid no-harmonic wave pollution.
（4）The utility model is provided with preliminary filling electrical circuit, can be used and powers on（It closes a floodgate）Recharge technique effectively inhibits operation
The generation of overvoltage and surge current.
（5）The utility model exports corresponding electromagnetic coil per road can arbitrarily realize connection in series-parallel, to meet different capabilities, no
The needs of same parameter.
（6）The distributed heat energy system of the utility model is taken in application, using the distributed arrangement mode adjacent to heat user
Disappear heating network, is not necessarily to pipeline network construction, can remote monitoring, Unmanned operation on the spot, so that when the utility model is applied more
It is easy to utilize.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of current vortex heating device in one specific embodiment of the utility model；
Fig. 2 is the structural schematic diagram of preliminary filling electrical circuit in Fig. 1；
Fig. 3 is the structural schematic diagram of H bridge power units in Fig. 1；
Fig. 4 is the structural schematic diagram of electromagnetic heat exchanger in Fig. 1；
Fig. 5 is the structural schematic diagram of distributed heat energy system in one specific embodiment of the utility model.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment：
As shown in Figure 1, current vortex heating device, including three-phase input power supply, precharge circuit units, first contactor
KM1, second contactor KM2, phase-shifting transformer, H bridge power units, series resonance unit, master controller and electromagnetic heat exchanger
1, wherein the both ends of first contactor KM1 are connect with the primary side of three-phase input power supply and phase-shifting transformer respectively.In the present embodiment
The quantity of H bridge power units is N number of, wherein N is positive integer more than or equal to 1, the input terminals of N number of H bridge power units with
The vice-side winding of phase-shifting transformer connects, and the output end of each H bridge power units is correspondingly connected with a series resonance unit.Electricity
Magnetic heat exchanger 1 is equipped with coil 102, and the output end of each series resonance unit is all connected with an electromagnetic heat exchanger 1, specifically with
The coil 102 of electromagnetic heat exchanger 1 connects.Each H bridge power units of the present embodiment are equipped with the list for controlling its on/off
The cell controller of cell controller, N number of H bridge power units is connect with master controller.
The voltage of three-phase input power supply is the alternating current of 10kV/6kV in the present embodiment.The phase-shifting transformer of the present embodiment is adopted
With multiplex phase-shifting transformer, three connections are extend-triangle, and secondary side is multigroup tap dry-type transformer, every group of pumping
Head dry-type transformer corresponds to a H bridge power units power supply.The purpose of phase shift is multiple harmonic caused by rectification to be eliminated,
Its phase shift angle is determined according to power cell group number.
As shown in Fig. 2, the both ends of the second contactor KM2 of the present embodiment respectively with precharge circuit units and phase shift transformation
The primary side of device connects, wherein precharge circuit units include low-tension supply and step-up transformer, the output end and liter of low-tension supply
The secondary winding of pressure transformer connects, and on from the output end of low-tension supply to the circuit between the secondary winding of step-up transformer
It is sequentially connected in series there are one A.C. contactor and P-1 resistor, wherein P is the positive integer more than 1, on each resistor simultaneously
Join an A.C. contactor, precharge circuit units connect especially by the first winding of step-up transformer with second contactor KM2
It connects.
As shown in figure 3, the H bridge power units of the present embodiment include that uncontrollable rectifier bridge, DC filtering circuit and H bridges are single-phase inverse
Become circuit, H bridge power units are connected especially by the input terminal of uncontrollable rectifier bridge and the vice-side winding of phase-shifting transformer, direct current
The input terminal of filter circuit is connect with the output end of uncontrollable rectifier bridge.The quantity of H bridges single-phase inversion circuit is M in the present embodiment
It is a, wherein M is the positive integer more than or equal to 1, and the input terminal of M H bridge single-phase inversion circuit is defeated with DC filtering circuit
Outlet connects.The series resonance unit of the present embodiment includes M series resonant tank, the output of each H bridges single-phase inversion circuit
End is correspondingly connected with a series resonant tank, and M series resonant tank in same series resonance unit is all connected to the string
On the coil 102 for joining the electromagnetic heat exchanger 1 of resonant element connection.
As shown in figure 4, the electromagnetic heat exchanger 1 of the present embodiment further includes insulation temperature resistant pipe 101 and heater 103, this reality
The insulation temperature resistant pipe 101 for applying example is made of insulation high-temperature-resistants materials such as polytetrafluoroethylene (PTFE), silicon rubber, fluorubber, and insulate heatproof
The both ends open of pipe 101 is respectively heat medium import and Crude product input, and coil 102 is wound in insulation temperature resistant pipe 101
On lateral wall, heater 103 is set in insulation temperature resistant pipe 101 and in the circular region of coil 102.Heater 103 in Fig. 4
Be set as helicoidal structure, but in specific setting, be not limited to helicoidal structure, may be alternatively provided as laminated structure, it is hollow or
Solid cylindrical structure, hollow or solid prismatic structure etc..
Further include monitoring center as shown in figure 5, based on the distributed heat energy system that above-mentioned current vortex heating device is constituted,
Wherein, monitoring center includes central controller and the communication module that is connect with central controller, and central controller uses computer
It realizes, the master controller of current vortex heating device is connected with communication module, and monitoring center passes through communication with current vortex heating device
Module carries out information exchange.
The current vortex heating device of the present embodiment realizes PWM waveform using a master controller to multiple H bridge power units
Calculating, the adjustment of heating power, the maximum current control of load, PHASE-LOCKED LOOP PLL TECHNIQUE realize the frequency dynamic adjustment of load, equipment
Self diagnosis monitoring and controlling, and the functions such as communicate with remote monitoring center realization.The working frequency of the present embodiment up to 5kHz ~
20kHz can improve thermal conversion efficiency.The inspection of the failures such as overcurrent, short circuit, overheat, overvoltage, communication failure is equipped with when the present embodiment is applied
Survey and warning function, and the working conditions and waveform of recordable various operations and record fault moment, are convenient for accident analysis.
The above content is the further descriptions made to the utility model in conjunction with specific preferred embodiment, cannot recognize
Determine specific embodiment of the present utility model and is confined to these explanations.For the common skill of the utility model technical field
For art personnel, the other embodiment obtained in the case where not departing from the technical solution of the utility model should be included in this practicality
In novel protection domain.
Claims (6)
1. current vortex heating device, which is characterized in that including three-phase input power supply, first contactor（KM1）, phase-shifting transformer, H
Bridge power unit, series resonance unit, master controller and electromagnetic heat exchanger（1）, the first contactor（KM1）Both ends point
It is not connect with the primary side of three-phase input power supply and phase-shifting transformer；The quantity of the H bridge power units is N number of, wherein N is big
In or equal to 1 positive integer, the input terminal of N number of H bridge power units connect with the vice-side winding of phase-shifting transformer, often
The output end of a H bridge power units is correspondingly connected with a series resonance unit；The electromagnetic heat exchanger（1）Equipped with coil
（102）, the output end of each series resonance unit is all connected with an electromagnetic heat exchanger（1）, specifically and electromagnetic heat exchanger（1）
Coil（102）Connection；
Each H bridge power units are equipped with the cell controller for controlling its on/off, the list of N number of H bridge power units
Cell controller is connect with master controller.
2. current vortex heating device according to claim 1, which is characterized in that further include precharge circuit units and second
Contactor（KM2）, the second contactor（KM2）Both ends respectively with precharge circuit units and phase-shifting transformer primary side connect
It connects.
3. current vortex heating device according to claim 2, which is characterized in that the precharge circuit units include low pressure
The secondary winding of power supply and step-up transformer, the output end of the low-tension supply and step-up transformer connects, and from low-tension supply
Output end to the circuit between the secondary winding of step-up transformer on be sequentially connected in series there are one A.C. contactor and P-1 resistance
Device, wherein P is positive integer more than 1, an A.C. contactor in parallel on each resistor, the precharge circuit units
Especially by the first winding and second contactor of step-up transformer（KM2）Connection.
4. current vortex heating device according to claim 1, which is characterized in that the H bridge power units are whole including not controlling
Flow bridge, DC filtering circuit and H bridge single-phase inversion circuits, the H bridge power units especially by uncontrollable rectifier bridge input terminal
It is connect with the vice-side winding of phase-shifting transformer, the input terminal of the DC filtering circuit is connect with the output end of uncontrollable rectifier bridge；
The quantity of the H bridges single-phase inversion circuit is M, wherein M is the positive integer more than or equal to 1, and the M H bridges are single-phase inverse
The input terminal for becoming circuit is connect with the output end of DC filtering circuit, and the series resonance unit includes that M series resonance is returned
Road, the output end of each H bridges single-phase inversion circuit are correspondingly connected with a series resonant tank, in same series resonance unit
M series resonant tank is all connected to the electromagnetic heat exchanger of series resonance unit connection（1）Coil（102）On.
5. the current vortex heating device according to any one of Claims 1 to 4, which is characterized in that the 9 Cr 2 steel using electromagnetic heating is handed over
Parallel operation（1）It further include insulation temperature resistant pipe（101）And heater（103）, the insulation temperature resistant pipe（101）Both ends open be respectively
Heat medium import and Crude product input, the coil（102）It is wound in insulation temperature resistant pipe（101）Lateral wall on, it is described
Heater（103）Set on insulation temperature resistant pipe（101）It is interior and pass through coil（102）In circular region.
6. special based on the distributed heat energy system that the current vortex heating device described in any one of Claims 1 to 5 is constituted
Sign is, further includes monitoring center, and the monitoring center includes central controller and the communication module that is connect with central controller,
The master controller of the current vortex heating device is connected with communication module, and the monitoring center passes through logical with current vortex heating device
It interrogates module and carries out information exchange.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371037.9U CN207911062U (en) | 2018-03-19 | 2018-03-19 | The distributed heat energy system of current vortex heating device and its composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820371037.9U CN207911062U (en) | 2018-03-19 | 2018-03-19 | The distributed heat energy system of current vortex heating device and its composition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507152A (en) * | 2018-03-19 | 2018-09-07 | 梁之龙 | The distributed heat energy system of current vortex heating device and its composition |
| CN111049397A (en) * | 2019-12-28 | 2020-04-21 | 新风光电子科技股份有限公司 | Multi-group parallel roller variable-frequency heating power supply system and control method |
-
2018
- 2018-03-19 CN CN201820371037.9U patent/CN207911062U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507152A (en) * | 2018-03-19 | 2018-09-07 | 梁之龙 | The distributed heat energy system of current vortex heating device and its composition |
| CN111049397A (en) * | 2019-12-28 | 2020-04-21 | 新风光电子科技股份有限公司 | Multi-group parallel roller variable-frequency heating power supply system and control method |
| CN111049397B (en) * | 2019-12-28 | 2022-03-08 | 新风光电子科技股份有限公司 | Control method of multi-group parallel roller variable-frequency heating power supply system |
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Granted publication date: 20180925 Termination date: 20210319 |