CN204574563U - A kind of solar water heater - Google Patents
A kind of solar water heater Download PDFInfo
- Publication number
- CN204574563U CN204574563U CN201520096928.4U CN201520096928U CN204574563U CN 204574563 U CN204574563 U CN 204574563U CN 201520096928 U CN201520096928 U CN 201520096928U CN 204574563 U CN204574563 U CN 204574563U
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- CN
- China
- Prior art keywords
- solenoid valve
- threeway
- normally open
- open solenoid
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to field of sanitary ware, particularly a kind of solar water heater.It comprises into cold water pipes and hot-water outlet pipe road, enter cold water pipes and be provided with pressure-reducing valve, 3rd threeway, second threeway, normally closed solenoid valve, first threeway and cold water safety valve, hot-water outlet pipe road is provided with safety valve for hot water, check valve, 4th threeway, first threeway connects the first normally open solenoid valve, the second normally open solenoid valve is connected with between second threeway and the 4th threeway, 3rd threeway is connected with pressure switch, first normally open solenoid valve, normally closed solenoid valve is connected in series with pressure switch after being connected with the second normally open solenoid valve circuit in parallel again, pressure switch connects power supply, also the 3rd threeway and pressure switch can be replaced with water flow switch.It can pressure-bearing, pressure release automatically, prevents excessive the causing of thermal-collecting tube pressure of heat collector from breaking, simultaneously pressure switch with enter cold water pipes and communicate, decrease pressure switch spoilage, its failure rate is low, production cost is low, stability and security high.
Description
(1) technical field
The utility model relates to field of sanitary ware, particularly a kind of solar water heater.
(2) background technology
Solar water heater utilizes solar thermal collector that solar radiant energy is converted to a kind of device of heat energy.Solar water heater is divided into natural cycle solar water heater according to the mode of heat cycles, forced cyclic type solar water heater and store formula solar water heater three kinds, they are except the collector module of self, also need to be equipped with electrical heating accessory system, pressure switch or water flow switch were arranged on that to there are parts in hot-water outlet pipe road fragile in the past, security is low, pressure switch or water flow switch temperature influence force value produce drift or change in various degree, the automatic pressure-bearing of whole system, pressure release is inaccurate, the potential safety hazards such as thermal-collecting tube easily bursts, and complex structure, it is high that unstable properties causes fault rate, cost is high.
(3) summary of the invention
The utility model is in order to make up the defect of prior art, and providing one can pressure-bearing, self-relieving solar water heater automatically.
The utility model is achieved by the following technical solution:
A kind of solar water heater, comprise into cold water pipes and hot-water outlet pipe road, it is characterized in that: described in enter on cold water pipes and be provided with pressure-reducing valve successively along water (flow) direction, 3rd threeway, second threeway, normally closed solenoid valve, first threeway and cold water safety valve, described hot-water outlet pipe road is provided with safety valve for hot water successively along water (flow) direction, the check valve that can not enter can only be gone out, 4th threeway, described first threeway connects the first normally open solenoid valve, the second normally open solenoid valve is connected with between described second threeway and the 4th threeway, described 3rd threeway is connected with pressure switch, described pressure switch connects power supply, when pressure switch is connected, first normally open solenoid valve and the second normally open solenoid valve are closed, normally closed solenoid valve is opened, when pressure switch disconnects, the first normally open solenoid valve and the second normally open solenoid valve are opened, normally closed solenoid valve is closed.
Be connected in series with pressure switch again after described first normally open solenoid valve, normally closed solenoid valve and the second normally open solenoid valve are connected in parallel.
Describedly enter cold water pipes is provided with pressure-reducing valve, water flow switch, the second threeway, normally closed solenoid valve, the first threeway and cold water safety valve successively along water (flow) direction, described hot-water outlet pipe road is provided with safety valve for hot water successively along water (flow) direction, can only go out can not enter check valve, the 4th threeway, described first threeway connects the first normally open solenoid valve, the second normally open solenoid valve is connected with between described second threeway and the 4th threeway, described water flow switch connects power supply, when water flow switch is connected, the first normally open solenoid valve and the second normally open solenoid valve are closed, normally closed solenoid valve is opened; When water flow switch disconnects, the first normally open solenoid valve and the second normally open solenoid valve are opened, normally closed solenoid valve is closed.
Be connected in series with water flow switch again after described first normally open solenoid valve, normally closed solenoid valve and the second normally open solenoid valve are connected in parallel,
Described first normally open solenoid valve is in parallel with normally closed solenoid valve and the second normally open solenoid valve again after connecting with electronic time-lag relay.
The beneficial effects of the utility model are:
The utility model can pressure-bearing, pressure release automatically, prevent excessive the causing of thermal-collecting tube pressure of heat collector from breaking, simultaneously pressure switch with enter cold water pipes and communicate, decrease pressure switch spoilage, therefore the utility model failure rate is low, production cost is also just low, and stability and security are all improved.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the main TV structure schematic diagram of the first embodiment;
Fig. 2 is the circuit theory diagrams of the first embodiment;
Fig. 3 is the main TV structure schematic diagram of the second embodiment;
Fig. 4 is the circuit theory diagrams of the second embodiment.
In figure, 1 heat collector, 2 enter cold water pipes, 3 hot-water outlet pipe roads, 4 power supplys, 5 cold water safety valves, 6 first threeways, 7 normally closed solenoid valves, 8 second threeways, 9 the 3rd threeways, 10 pressure-reducing valves, 11 safety valve for hot waters, 12 check valves, 13 the 4th threeways, 14 first normally open solenoid valves, 15 second normally open solenoid valves, 16 pressure switches, 17 water flow switches, 18 electronic time-lag relays.
(5) detailed description of the invention
Accompanying drawing is specific embodiment of the utility model.Be structural representation and the circuit theory diagrams of the first embodiment as shown in Figure 1 and Figure 2, this kind of solar water heater comprises heat collector 1, enters cold water pipes 2 and hot-water outlet pipe road 3, enter cold water pipes 2 to be connected with heat collector 1 with the one end in hot-water outlet pipe road 3, the other end entering cold water pipes 2 connects running water, the other end in hot-water outlet pipe road 3 connects the hot water points such as bathing tap, wherein enters on cold water pipes 2 to be provided with pressure-reducing valve 10, the 3rd threeway 9, second threeway 8, normally closed solenoid valve 7, first threeway 6 and cold water safety valve 5 successively from cold water source along water (flow) direction, hot-water outlet pipe road 3 is provided with safety valve for hot water 11 from the hot-water outlet of heat collector 1 successively along water (flow) direction, the check valve 12 that can not enter can only be gone out, 4th threeway 13, first threeway 6 connects the first normally open solenoid valve 14, as shown in Figure 1, can only go out to enter to refer to that can only hold the water flowed out from the hot-water outlet of heat collector flows through from right to left, the second normally open solenoid valve 15 is connected with between second threeway 8 and the 4th threeway 13, 3rd threeway 9 is connected with pressure switch 16, as shown in Figure 2, first normally open solenoid valve 14 is in parallel with the second normally open solenoid valve 15 and normally closed solenoid valve 7 after connecting with electronic time-lag relay 18, and then be connected in series with pressure switch 16, pressure switch 16 connects power supply 4.
Be the second embodiment of the present utility model as shown in Figure 3, Figure 4, in this embodiment, the 3rd threeway 9 and pressure switch 16 is replaced to be connected on on cold water pipes 2 by water flow switch 17, first normally open solenoid valve 14 is in parallel with the second normally open solenoid valve 15 and normally closed solenoid valve 7 after connecting with electronic time-lag relay 18, and then be connected in series with water flow switch 17, water flow switch 17 connects power supply 4, and all the other structures are identical with the first embodiment, do not repeat them here.
In above-mentioned two kinds of embodiments, multiple connected mode can be had between first normally open solenoid valve 14, second normally open solenoid valve 15, normally closed solenoid valve 7 and pressure switch 16 or water flow switch 17, as long as following result can be reached: when pressure switch 16 or water flow switch 17 are connected, the first normally open solenoid valve 14 and the second normally open solenoid valve 15 cuts out, normally closed solenoid valve 7 is opened; When pressure switch 16 or water flow switch 17 disconnect, the first normally open solenoid valve 14 and the second normally open solenoid valve 15 is opened, normally closed solenoid valve 7 is closed.Above-mentioned multiple connected mode is routine techniques, does not repeat them here.
The course of work is as follows: first the cold water from running water have three paths after pressure-reducing valve 10 reduces pressure: a road successively flows through the 3rd threeway 9 or water flow switch 17, second threeway 8 arrives normally closed solenoid valve 7 place, because normally closed solenoid valve 7 is in closed condition, this road cold water is current to be obstructed; So arrive after flowing through the 3rd threeway 9 or water flow switch 17, second threeway 8, second normally open solenoid valve 15 and the 4th threeway 13 successively from another road, check valve 12 is current to be obstructed; Then to other direction to the valve of user toilet or hot water for kitchen use point; 3rd tunnel is when user is with water spot Close All, normally closed solenoid valve 7, check valve 12 also can not equal closed condition by reverse driving, pressure switch 16 rise due to the pressure of running water or in water flow switch 17 non-water flow by reaching circuit off-state, first normally open solenoid valve 14 no current is by often opening, and pressure that is after the user that releases uses and that expand out when heat collector Nausea drying and electric heater for heating when not using and moisture are discharged to floor drain.When user opens any one hot-water valve, switch on power due to pressure drop pressure switch 16 or in water route, have current to pass through water flow switch 17 is switched on power, close after second normally open solenoid valve 15 and the first normally open solenoid valve 14 are energized, normally closed solenoid valve 7 is opened, and cold water passes through and enters heat collector 1 and headed on by hot water and spray to the bathing tap of user from safety valve for hot water 11, check valve 12, the 4th threeway 13 along hot-water outlet pipe road 3 from heat collector 1, when user uses hot water closedown bathing tap, hot water is current to be obstructed, run into again check valve 12 during backflow to be obstructed, hot water cannot reflux, cold water continues to flow into simultaneously, the pressure of such pressure switch 16 in turn increases, pressure switch 16 disconnects, or in water flow switch 17 gradually non-water flow flow through and electric contact disconnect, first normally open solenoid valve 14, second normally open solenoid valve 15 and normally closed solenoid valve 7 all no current pass through, normally closed solenoid valve 7 is closed and can not be supplied water to heat collector 1 again, first normally open solenoid valve 14 no current emits the pressure expanding out when unnecessary pressure and Nausea drying later or electrical heating in heat collector 1 after using and moisture by opening, second normally open solenoid valve 15 no current is prepared for starting next time by also opening, few part water flows out from the first normally open solenoid valve 14, in heat collector 1, pressure is discharged, guarantee that heat collector 1 can not burst.
Except technical characteristic described in description, all the other technical characteristics are those skilled in the art's known technology.
Claims (5)
1. a solar water heater, comprise into cold water pipes (2) and hot-water outlet pipe road (3), it is characterized in that: described in enter on cold water pipes (2) and be provided with pressure-reducing valve (10) successively along water (flow) direction, 3rd threeway (9), second threeway (8), normally closed solenoid valve (7), first threeway (6) and cold water safety valve (5), described hot-water outlet pipe road (3) is provided with safety valve for hot water (11) successively along water (flow) direction, the check valve (12) that can not enter can only be gone out, 4th threeway (13), described first threeway (6) connects the first normally open solenoid valve (14), the second normally open solenoid valve (15) is connected with between described second threeway (8) and the 4th threeway (9), described 3rd threeway (9) is connected with pressure switch, described pressure switch (16) connects power supply, when pressure switch (16) is connected, first normally open solenoid valve (14) and the second normally open solenoid valve (15) are closed, normally closed solenoid valve (7) is opened, when pressure switch (16) disconnects, the first normally open solenoid valve (14) and the second normally open solenoid valve (15) are opened, normally closed solenoid valve (7) is closed.
2. solar water heater according to claim 1, is characterized in that, is connected in series after described first normally open solenoid valve (14), normally closed solenoid valve (7) and the second normally open solenoid valve (15) are connected in parallel with pressure switch (16) again.
3. a solar water heater, comprise into cold water pipes (2) and hot-water outlet pipe road (3), it is characterized in that: described in enter on cold water pipes (2) and be provided with pressure-reducing valve (10) successively along water (flow) direction, water flow switch (17), second threeway (8), normally closed solenoid valve (7), first threeway (6) and cold water safety valve (5), described hot-water outlet pipe road (3) is provided with safety valve for hot water (11) successively along water (flow) direction, the check valve (12) that can not enter can only be gone out, 4th threeway (13), described first threeway (6) connects the first normally open solenoid valve (14), the second normally open solenoid valve (15) is connected with between described second threeway (8) and the 4th threeway (9), described water flow switch (17) connects power supply, when water flow switch (17) is connected, first normally open solenoid valve (14) and the second normally open solenoid valve (15) are closed, normally closed solenoid valve (7) is opened, when water flow switch (17) disconnects, the first normally open solenoid valve (14) and the second normally open solenoid valve (15) are opened, normally closed solenoid valve (7) is closed.
4. solar water heater according to claim 3, is characterized in that, is connected in series after described first normally open solenoid valve (14), normally closed solenoid valve (7) and the second normally open solenoid valve (15) are connected in parallel with water flow switch (17) again.
5. the solar water heater according to claim 2 or 4, is characterized in that, described first normally open solenoid valve (14) is in parallel with normally closed solenoid valve (7) and the second normally open solenoid valve (15) again after connecting with electronic time-lag relay (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096928.4U CN204574563U (en) | 2015-02-11 | 2015-02-11 | A kind of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096928.4U CN204574563U (en) | 2015-02-11 | 2015-02-11 | A kind of solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204574563U true CN204574563U (en) | 2015-08-19 |
Family
ID=53867188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520096928.4U Expired - Fee Related CN204574563U (en) | 2015-02-11 | 2015-02-11 | A kind of solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204574563U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241067A (en) * | 2015-09-18 | 2016-01-13 | 王凤文 | Full-automatic pressure bearing pressure-free operation system of heat storage water tank of water heater |
| CN107421139A (en) * | 2017-08-23 | 2017-12-01 | 黄松桂 | A kind of control system for the water tank free solar water heater that can be automatically replenished |
| CN110108025A (en) * | 2019-05-30 | 2019-08-09 | 秦茂林 | A kind of zero cold water forced-ventilated gas water heater |
-
2015
- 2015-02-11 CN CN201520096928.4U patent/CN204574563U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241067A (en) * | 2015-09-18 | 2016-01-13 | 王凤文 | Full-automatic pressure bearing pressure-free operation system of heat storage water tank of water heater |
| CN107421139A (en) * | 2017-08-23 | 2017-12-01 | 黄松桂 | A kind of control system for the water tank free solar water heater that can be automatically replenished |
| CN110108025A (en) * | 2019-05-30 | 2019-08-09 | 秦茂林 | A kind of zero cold water forced-ventilated gas 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: 20150819 Termination date: 20160211 |