CN205897515U - Grid -connected PV driven water heater - Google Patents
Grid -connected PV driven water heater Download PDFInfo
- Publication number
- CN205897515U CN205897515U CN201620793473.6U CN201620793473U CN205897515U CN 205897515 U CN205897515 U CN 205897515U CN 201620793473 U CN201620793473 U CN 201620793473U CN 205897515 U CN205897515 U CN 205897515U
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- China
- Prior art keywords
- water
- heater
- controller
- heating element
- water heater
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a grid -connected PV driven water heater, including photovoltaic system, variable flow control unit, water heater system, photovoltaic system and water heater system are connected respectively to the variable flow control unit, the variable flow control unit includes controller, processing unit and touch -sensitive screen, the touch -sensitive screen is connected with processing unit and controller respectively, processing unit respectively with controller and water heater headtotail, the controller passes through the wire and is connected with photovoltaic system for the electric quantity that transmission photovoltaic system produced, contain contravariant electricity module in the controller for the direct current that produces photovoltaic system turns into the alternating current, the unable problem from the net operation of current photovoltaic water heater has also been solved to this water heater, has reached and has reduced its reliance to the electric wire netting, has reduced the nonrecurring cost of battery simultaneously. The utility model discloses the make full use of clean energy that can regenerate has reduced the use cost of photovoltaic water heater, and the efficiency is high, and easy operation is expected to promote the popularization and application on a large scale of photovoltaic water heater.
Description
Technical field
This utility model is related to heating system, the water heater of more particularly, to a kind of grid-connected driving.
Background technology
Photovoltaic (pv) array passes through to arrange substantial amounts of photovoltaic cell in solar panel, and solar energy is changed into electricity
Energy.Typical system includes one or more photovoltaics (pv) panel, a load system, electrical connection system and chain of command
Plate.Photovoltaic system is commonly used to as domestic or commercial building energy supply, makes full use of regenerative resource, reduces fossil energy consumption,
Reduce life energy consumption cost, reduce environmental pollution simultaneously.
But the water heater of grid-connected driving at present, generally existing wiring complexity, unreasonable structure, intelligence degree are low
The problems such as.
Content of the invention
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, provides one kind to connect up simple, knot
The water heater of the grid-connected driving that structure is reasonable, intelligence degree is high.
This utility model is achieved through the following technical solutions:
A kind of water heater of grid-connected driving, including photovoltaic system, Variable flow control unit 6, water-heater system 14；Described
Variable flow control unit 6 connects photovoltaic system and water-heater system 14 respectively；
Described Variable flow control unit 6 includes controller 7, processing unit 4 and touch screen 10；Described touch screen 10 respectively with place
Reason unit 4 and controller 7 connect, and described processing unit 4 is connected with controller 7 and water-heater system 14 respectively；Described controller 7
It is connected with photovoltaic system by wire 3, for transmitting the electricity of photovoltaic system generation；Comprise inversion electricity module in controller 7, use
It is alternating current in the DC conversion producing photovoltaic system.
Described processing unit 4 includes processor 8 and memorizer 9；Described processor 8 passes through cold water data acquisition lines respectively
25 and hot water data acquisition lines 26 connect the cold water inlet 17 of water-heater system 14 and hot water outlet 18, for obtaining the temperature of water
Degree and flow.
Described photovoltaic system, including the photovoltaic panel 2 of some pieces of serial or parallel connection arrangements；Arrangement in described photovoltaic panel 2
There is solaode.
It is provided with the first heating element heater 20 and the second heating element heater 23 in the water tank 15 of water-heater system 14；Described controller 7
First heating element heater 20 is connected by rheostat 13；Rheostat 13 is used for adjusting the voltage of water heater working；Described controller 7 is also
Second heating element heater 23 is connected by a rosette 22.
Described controller 7 connects the first heating element heater 20 by rheostat 13, and concrete connection is that the wire of rheostat 13 leads to
Overheated water out 18 stretches into inside water tank 15, realizes the connection with the first heating element heater 20；
Described controller 7 connects the second heating element heater 23 also by rosette 22, and concrete connection is the wire of rosette 22
Stretched into inside water tank 15 by the atmospheric valve 21 of water tank 15 bottom, realize the connection with the second heating element heater 23.
Switch block is comprised, for controlling the second heating element heater 23 and photovoltaic system or public power in described rosette 22
ON/OFF between net 24.
Described controller 7 is circumscribed with an accumulator 11 and outside electricity consumption load connector 12；When produced by photovoltaic system
Not enough power supply is so that during water-heater system 14 normal work, controller 7 cuts out the first heating element heater 20, and photovoltaic system is produced
Unidirectional current, pass to accumulator 11 or outside electricity consumption load connector 12 after being reverse into alternating current, meanwhile controller 7 activation the
Two heating element heaters 23, enable utility network 24 for water-heater system 14 normally using offer electricity.
One anode stub of setting in described water tank 15, effect is to be corroded in pre- caisson.
It is provided with water temperature thermostat in described water tank 15；When in water tank 15, water temperature is less than preset temperature, water temperature thermostat will
Water temperature signal sends processor 8 and memorizer 9 to, and processor 8 starts the first heating element heater 20 or the second by controller 7
Heating element heater 23, until the water in water tank 15 is heated to design temperature.
Described water tank 15 is provided with pressure release valve 19, for discharging the pressure in water tank 15；When in water tank 15, pressure is higher than pre-
If pressure threshold when, pressure release valve 19 automatically opens up；It is filled with heat-barrier material between described water tank 15 and shell 16.
This utility model Variable flow control unit controls photovoltaic system, water-heater system, electric power storage load system and utility network
Start and stop and mutual switch.Under nominal situation, it is water-heater system heat hot water function with the output of photovoltaic system,
In certain power bracket, control unit can suitably adjust the output work of photovoltaic system according to the size of water heater heating power
Rate；When photovoltaic system output is much smaller than energy consumption of hot water, photovoltaic system output turns supply external loading and accumulator
In case using when public network has a power failure, water-heater system being switched to utility network simultaneously and continuing normal operation.
This utility model carries an accumulator, you can with when illumination is not enough by utility network, again can be in public power
Net utilizes itself electric power storage to be water heater function after having a power failure in a short time, solves previous grid-connected system and cannot run under the conditions of off-network
Problem, reduce the nonrecurring cost of accumulator simultaneously.
This utility model technological means are simple and easy to do, if by itself and interne network-in-dialing, also can achieve hot-water heating system
Remotely control, improve people's quality of life.
This utility model, also solve the problems, such as in prior art photovoltaic water heater cannot off-grid operation, reached reduction
The dependence to electrical network for the photo voltaic hot water system, reduces the nonrecurring cost of accumulator simultaneously.This utility model makes full use of can be again
Raw clean energy resource, reduces the use cost of photovoltaic water heater, and efficiency is high, simple to operate, is expected to promote the big of photovoltaic water heater
Scope popularization and application.
Brief description
Fig. 1 is this utility model structural representation.
Specific embodiment
With reference to specific embodiment, this utility model is more specifically described in detail.
Embodiment
As shown in Figure 1.The utility model discloses a kind of water heater of grid-connected driving, including photovoltaic system, unsteady flow
Control unit 6, water-heater system 14；Described Variable flow control unit 6 connects photovoltaic system and water-heater system 14 respectively；Described change
Flow control unit 6 includes controller 7, processing unit 4 and touch screen 10；Described touch screen 10 respectively with processing unit 4 and control
Device 7 connects, and described processing unit 4 is connected with controller 7 and water-heater system 14 respectively；Described controller 7 passes through wire 3 and light
Volt system connects, for transmitting the electricity of photovoltaic system generation；Inversion electricity module is comprised, for by photovoltaic system in controller 7
The DC conversion producing is alternating current.
Described processing unit 4 includes processor 8 and memorizer 9；Described processor 8 passes through cold water data acquisition lines respectively
25 and hot water data acquisition lines 26 connect the cold water inlet 17 of water-heater system 14 and hot water outlet 18, for obtaining the temperature of water
Degree and flow.
Described photovoltaic system (energy is provided by solar energy 1), including the photovoltaic panel of some pieces of serial or parallel connection arrangements
2；It is disposed with solaode in described photovoltaic panel 2.
It is provided with the first heating element heater 20 and the second heating element heater 23 in the water tank 15 of water-heater system 14；Described controller 7
First heating element heater 20 is connected by rheostat 13；Rheostat 13 is used for adjusting the voltage of water heater working；Described controller 7 is also
Second heating element heater 23 is connected by a rosette 22.
Described controller 7 connects the first heating element heater 20 by rheostat 13, and concrete connection is that the wire of rheostat 13 leads to
Overheated water out 18 stretches into inside water tank 15, realizes the connection with the first heating element heater 20；Described controller 7 is also by rosette
22 connection the second heating element heaters 23, concrete connection is that the wire of rosette 22 stretches into water tank by the atmospheric valve 21 of water tank 15 bottom
Inside 15, realize the connection with the second heating element heater 23.
Switch block is comprised, for controlling the second heating element heater 23 and photovoltaic system or public power in described rosette 22
ON/OFF between net 24.
Described controller 7 is circumscribed with an accumulator 11 and outside electricity consumption load connector 12；When produced by photovoltaic system
Not enough power supply is so that during water-heater system 14 normal work, controller 7 cuts out the first heating element heater 20, and photovoltaic system is produced
Unidirectional current, pass to accumulator 11 or outside electricity consumption load connector 12 after being reverse into alternating current, meanwhile controller 7 activation the
Two heating element heaters 23, enable utility network 24 for water-heater system 14 normally using offer electricity.
One anode stub of setting in described water tank 15 (in figure does not show, this anode stub can be switched on or no electricity), makees
With being to be corroded in pre- caisson.
It is provided with water temperature thermostat (in figure does not show, is arranged on the temperature sensor in water tank) in described water tank 15；Work as water
When in case 15, water temperature is less than preset temperature, water temperature thermostat sends water temperature signal to processor 8 and memorizer 9, processes
Device 8 starts the first heating element heater 20 or the second heating element heater 23 by controller 7, until the water in water tank 15 is heated to setting
Temperature.
Described water tank 15 is provided with pressure release valve 19, for discharging the pressure in water tank 15；When in water tank 15, pressure is higher than pre-
If pressure threshold when, pressure release valve 19 automatically opens up；It is filled with heat-barrier material between described water tank 15 and shell 16.
Variable flow control unit 6 obtains the output of photovoltaic system, and obtains the operation power of the first heating element heater 20；Become
Flow control unit 6 compares this output and the described size running power, is less than operation power comparing output
In the case of: calculate output and the power difference running power；Calculate the absolute value of power difference and the ratio running power；
Judge whether absolute value is less than preset value；And in the case of judging that absolute value is less than preset value, control photovoltaic system to increase
Big output.
In the case of judging that absolute value is more than preset value, control and start the second heating element heater 23, photovoltaic system, electrical network
It is switched to charge mode, output is delivered to accumulator 11 or outside electricity consumption load connector 12；Comparing output power
In the case of running power: calculate output and the power difference running power；Calculate power difference and run power
The absolute value of ratio；Judge whether absolute value is less than preset value；And judging described absolute value less than described preset value
In the case of, control solaode to reduce output, in the case of judging that absolute value is more than preset value, control and open storage
Battery 11 charge mode or the outside electricity consumption load connector 12 (other use electric loading) of unlatching.
As described above, just can preferably realize this utility model.
Embodiment of the present utility model is simultaneously not restricted to the described embodiments, other any without departing from of the present utility model
Spirit and the change made under principle, modification, replacement, combine, simplify, all should be equivalent substitute mode, be included in
Within protection domain of the present utility model.
Claims (10)
1. a kind of water heater of grid-connected driving it is characterised in that: include photovoltaic system, Variable flow control unit (6), water heater
System (14)；
Described Variable flow control unit (6) connects photovoltaic system and water-heater system (14) respectively；
Described Variable flow control unit (6) includes controller (7), processing unit (4) and touch screen (10)；Described touch screen (10) point
Be not connected with processing unit (4) and controller (7), described processing unit (4) respectively with controller (7) and water-heater system (14)
Connect；Described controller (7) is connected with photovoltaic system by wire (3), for transmitting the electricity of photovoltaic system generation；Controller
(7) comprise inversion electricity module in, the DC conversion for producing photovoltaic system is alternating current.
2. grid-connected driving according to claim 1 water heater it is characterised in that: at the inclusion of described processing unit (4)
Reason device (8) and memorizer (9)；Described processor (8) passes through cold water data acquisition lines (25) and hot water data acquisition line respectively
Road (26) connects cold water inlet (17) and the hot water outlet (18) of water-heater system (14), for obtaining temperature and the flow of water.
3. grid-connected driving according to claim 1 water heater it is characterised in that: described photovoltaic system, including some
The photovoltaic panel (2) of block serial or parallel connection arrangement；It is disposed with solaode in described photovoltaic panel (2).
4. grid-connected driving according to claim 1 water heater it is characterised in that: the water tank of water-heater system (14)
(15) it is provided with the first heating element heater (20) and the second heating element heater (23) in；
Described controller (7) connects the first heating element heater (20) by rheostat (13)；Rheostat (13) is used for adjusting water heater
The voltage of work；
Described controller (7) connects the second heating element heater (23) also by a rosette (22).
5. the water heater of grid-connected driving according to claim 4 is it is characterised in that described controller (7) passes through variable resistance
Device (13) connects the first heating element heater (20), and concrete connection is that the wire of rheostat (13) stretches into water tank by hot water outlet (18)
(15) internal, realize the connection with the first heating element heater (20)；
Described controller (7) connects the second heating element heater (23) also by rosette (22), and concrete connection is rosette (22)
Wire stretches into water tank (15) inside by the atmospheric valve (21) of water tank (15) bottom, realizes the company with the second heating element heater (23)
Connect.
6. the water heater of grid-connected driving according to claim 4 is it is characterised in that comprise out in described rosette (22)
Close part, for controlling the ON/OFF between the second heating element heater (23) and photovoltaic system or utility network (24)；Described process
Unit (4) accesses internet by twisted-pair feeder.
7. the water heater of grid-connected driving according to claim 1 is it is characterised in that described controller (7) is circumscribed with one
Individual accumulator (11) and outside electricity consumption load connector (12)；
When not enough power supply produced by photovoltaic system so that during water-heater system (14) normal work, controller (7) cuts out first
Heating element heater (20), unidirectional current produced by photovoltaic system passes to accumulator (11) or outside electricity consumption after being reverse into alternating current
Load connector (12), meanwhile controller (7) activation the second heating element heater (23), enabling utility network (24) is water heater system
The normal use of system (14) provides electricity.
8. the water heater of grid-connected driving according to claim 5 is it is characterised in that arrange one in described water tank (15)
Anode stub, effect is to be corroded in pre- caisson.
9. the water heater of grid-connected driving according to claim 5 is it is characterised in that be provided with water temperature in described water tank (15)
Thermostat；When in water tank (15), water temperature is less than preset temperature, water temperature thermostat sends water temperature signal to processor (8)
With memorizer (9), processor (8) starts the first heating element heater (20) or the second heating element heater (23) by controller (7), until
Water in water tank (15) is heated to design temperature.
10. the water heater of grid-connected driving according to claim 5 is it is characterised in that described water tank (15) is provided with and puts
Pressure valve (19), for discharging the pressure in water tank (15)；When in water tank (15), pressure is higher than default pressure threshold, pressure release valve
(19) automatically open up；It is filled with heat-barrier material between described water tank (15) and shell (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620793473.6U CN205897515U (en) | 2016-07-26 | 2016-07-26 | Grid -connected PV driven water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620793473.6U CN205897515U (en) | 2016-07-26 | 2016-07-26 | Grid -connected PV driven water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205897515U true CN205897515U (en) | 2017-01-18 |
Family
ID=57786083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620793473.6U Expired - Fee Related CN205897515U (en) | 2016-07-26 | 2016-07-26 | Grid -connected PV driven water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205897515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571827A (en) * | 2017-03-14 | 2018-09-25 | 青岛海尔新能源电器有限公司 | A kind of Teat pump boiler power supply system and its control method |
| CN110762856A (en) * | 2019-11-09 | 2020-02-07 | 山东光百特光能科技有限公司 | Photon energy and mains supply alternating current two-in-one dual-energy water heater |
-
2016
- 2016-07-26 CN CN201620793473.6U patent/CN205897515U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571827A (en) * | 2017-03-14 | 2018-09-25 | 青岛海尔新能源电器有限公司 | A kind of Teat pump boiler power supply system and its control method |
| CN110762856A (en) * | 2019-11-09 | 2020-02-07 | 山东光百特光能科技有限公司 | Photon energy and mains supply alternating current two-in-one dual-energy water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20190726 |