CN2921719Y - Solar water heater water feeding and draining device - Google Patents
Solar water heater water feeding and draining device Download PDFInfo
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- CN2921719Y CN2921719Y CNU2006201242085U CN200620124208U CN2921719Y CN 2921719 Y CN2921719 Y CN 2921719Y CN U2006201242085 U CNU2006201242085 U CN U2006201242085U CN 200620124208 U CN200620124208 U CN 200620124208U CN 2921719 Y CN2921719 Y CN 2921719Y
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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
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Abstract
A solar water heater water feeding and draining device is provided. The utility model is added a control box at the lower part of a solar energy water heating bucket, wherein, the control box is provided inside with a draining four-way solenoid valve having one end arranged with a F type drain pipe; the F type drain pipe is connected with an external water pipe, and the lower end of the external water pipe is connected with the F type water pipe on a feeding four-way solenoid valve disposed in the house of user; the feeding channel and the hot water channel of the F type water pipe are connected with the feeding four-way solenoid valve, while the other end of the feeding four-way solenoid valve is connected with a tap water pipe and an external hot water pipe; inside the solar energy water heating bucket is arranged an overflow pipe, while inside the control box, an one-way valve; the draining four-way solenoid valve is provided with a travel switch; in addition, inside the house of user is arranged a change-over switch.
Description
Technical field
The utility model relates to water, drainage arrangement on a kind of solar water heater, belongs to the solar water heater apparatus field.
Background technology
The present solar water heater water-supply apparatus that uses, after to water on the hot water barrel of solar water heater, in water supply pipeline, can be full of water, in the winter of northern area, because temperature often is in subzero, sometimes even reach subzero twenties degree, like this, too the water in sun energy water heater water supply pipeline will freeze, even can be with water pipe from freezing crack.Present existing various solar water heaters, freeze the difficult problem that to use in order to prevent and treat water in the upper hose, usually adopt method to solve the problems referred to above in outer additional (parcel) heating tape of water supply pipeline, but the pipeline heating tape is just before using solar water heater, for ducted ice being dissolved and making pipeline unobstructed, the mode of employing energising heats, if when not using water heater usually, the heating tape is cold, so be stored in that surplus water in the water supply pipeline still can freeze even water supply pipeline is freezing under low-temperature condition, if at this moment to water on the solar water heater, because of water supply pipeline is damaged by frost, water advances in the water butt less than solar water heater, and will cause the phenomenon of metalling run out this moment, water can flow directly to the open air, because the user is the demonstration with the overflow pipe or the dipperstick of solar water heater, judge the water level standard of water butt, the phenomenon of metalling run out appears in the water supply pipeline when the open air, the user can't know, so can cause the waste of great lot of water resources.In addition, because the power of solar water heater water pipe heating tape is bigger, consumed power is more, does not meet the energy saving policy of country.
When the user need use hot water in the solar water heater, after at first the residual cooled water discharge in the drainpipe pipeline need being finished, hot water in the solar water heater just can flow to tap from the hot water barrel, the person waits for the long cooled water discharge time so not only to need to use hot water, equally also can waste great amount of water resources, increase user's use cost.
Summary of the invention
The purpose of this utility model is for water on a kind of solar water heater is provided, drainage arrangement, this utility model increases a control cabinet in the bottom of solar hot water bucket, a draining four way solenoid valve has been installed in control cabinet, one end of draining four way solenoid valve is provided with F type drainpipe, F type drainpipe is connected with external water pipe, the F type water pipe of the last water four way solenoid valve that the lower end of external water pipe is indoor with being arranged on the user is connected, aquaporin on the F type water pipe, F type water pipe hot water channel is connected with last water four way solenoid valve, the other end of last water four way solenoid valve and running water pipe, external hot-water line is connected, one group of travel switch is installed on the draining four way solenoid valve, last water four way solenoid valve and draining four way solenoid valve, control by being arranged on an indoor change-over switch, by the control of change-over switch to described device, can be easily to water on the solar water heater, after the user uses solar water heater, again can be with the surplus water emptying in the water pipe, thereby solved the technical barrier that present various solar water heater water pipe freezes, simultaneously, owing to do not have surplus water in the water pipe, when the user need use hot water, hot water can directly flow out from solar hot water bucket by pipeline, has solved the worry that must discharge a few minutes cold water when the user has a bath earlier.The utility model gets final product saves energy, can reduce the waste of water resource again, reduces the use cost of solar water heater.
In order to achieve the above object, the utility model is realized by following technological means.
Water, drainage arrangement on a kind of solar water heater, it is mainly by (1) solar hot water bucket; (2) hot water barrel's delivery port; (3) travel switch contact; (4) travel switch contact; (5) draining four way solenoid valve; (6) draining four-way electromagnetic valve coil; (7) back-moving spring; (8) draining four-way electromagnetic valve chest; (9) F type drainpipe drainage channel; (10) drain solenoid valve spool; (11) F type drainpipe air duct; (12) valve core of the electromagnetic valve passage; (13) magnetic valve housing air inlet; (14) F type drainpipe; (15) external drainpipe; (16) go up the water four way solenoid valve; (17) go up water four-way electromagnetic valve coil; (18) back-moving spring; (19) go up water four-way electromagnetic valve chest; (20) aquaporin on the F type water pipe; (21) go up water four-way electromagnetic valve core; (22) go up water four way solenoid valve F type water pipe; (23) F type water pipe hot water channel; (24) valve core of the electromagnetic valve passage; (25) running water pipe; (26) external hot-water line; (27) hot-water line valve; (28) overflow pipe; (29) check valve; (30) control cabinet; (31) control cabinet inspection cover; (32) control cabinet inspection cover construction bolt; (33) external overflow pipe; (34) parts such as change-over switch, (35) cross-over connection lead, (36) power connection, (37) power connection, (38) lead, (39) lead, (40) lead, (41) lead, (42) lead are formed.
At first, with thickness is that 3.0 millimeters steel plate is made a control cabinet (30), side at control cabinet (30) is provided with a control cabinet inspection cover (31), control cabinet (30) is welded on the bottom of solar hot water bucket (1), a draining four way solenoid valve (5) is installed in control cabinet (30), a travel switch contact (3) and a travel switch contact (4) are installed on draining four way solenoid valve (5), one end of draining four way solenoid valve (5) is connected with hot water barrel's delivery port (2), the other end is connected with F type drainpipe (14), and the lower end of F type drainpipe (14) is connected with external water pipe (15); Water four way solenoid valve (16) in one of user's indoor installation, aquaporin (20) is connected with F type water pipe hot water channel (23) on one end of last water four way solenoid valve (16) and the F type water pipe, the other end is connected with external hot-water line (26) with running water pipe (25), and the end of external hot-water line (26) is equipped with a hot-water line valve (27).In solar hot water bucket (1), an overflow pipe (28) is installed, a check valve (29) is installed in control cabinet (30), the upper end of check valve (29) is connected with the outlet of overflow pipe (28), the lower end of check valve (29) is installed on the external overflow pipe (33), the lower end of external overflow pipe (33) is installed in the top in user's indoor pond, after the water in the solar hot water bucket (1) is filled with, Yu Shui can flow to overflow pipe (28), because the pressure of current, check valve (29) is opened, and Yu Shui is arranged to the indoor pond of user along external overflow pipe (33).
Change-over switch of indoor installation (34) the user, change-over switch (34) is provided with A, B, C, D, five contacts of E, F, wherein contact F is connected with cross-over connection lead (35) with contact D, with lead (38) the contact B of power connection (36) with change-over switch (34) is connected, contact F is connected with travel switch contact (3) with draining four-way electromagnetic valve coil (6) with lead (39); With lead (40) draining four-way electromagnetic valve coil (6) is connected with power connection (37) with last water four-way electromagnetic valve coil (17), contact C with change-over switch (34) is connected with travel switch contact (4) with lead (41), and the contact E with change-over switch (34) is connected with last water four-way electromagnetic valve coil (17) with lead (42).
When the user will be for hot water barrel (1) water filling of solar water heater, at first open hot-water line valve (27), change-over switch (34) is turned to water level to be put, the inner contact B of change-over switch this moment (34) and F connect, C and E connect (see figure 2), at this moment, power supply (36) is by lead (38) process inner contact B, F, connect lead (39) and make draining four-way electromagnetic valve coil (6) energising, at this moment, draining four-way electromagnetic valve coil (6) produces magnetic force, will carry on the valve core of the electromagnetic valve (10), while compression reseting spring (7), at this moment hot water barrel's delivery port (2) is connected with F type drainpipe drainage channel (9); Along with carrying on the valve core of the electromagnetic valve (10), travel switch contact (3) and travel switch contact (4) closure, at this moment power supply (36) is by lead (38) process inner contact B, F, connect lead (39), travel switch contact (3), travel switch contact (4), lead (41), the contact C of change-over switch (34), E, lead (42) makes water four-way electromagnetic valve coil (17) energising, at this moment, last water four-way electromagnetic valve coil (17) produces magnetic force, to carry on the valve core of the electromagnetic valve (21), while compression reseting spring (18), valve core of the electromagnetic valve (21) seals F type water pipe hot water channel (23) immediately, aquaporin (20) is opened on the F type water pipe simultaneously, at this moment, water by running water pipe (25) through valve core of the electromagnetic valve passage (24), aquaporin (20) on F type water pipe, through external water pipe (15), through F type drainpipe hot water channel (9), through valve core channel (12), through solar hot water bucket delivery port (2), enter solar hot water bucket (1), after the water in the solar hot water bucket (1) is filled with, Yu Shuihui flows to the overflow pipe (28) in the hot water barrel, because the pressure effect of current, check valve (29) is opened, and Yu Shuike arranges to the indoor pond of user along external overflow pipe (33).After the user sees overflow pipe (33) spilling water, learn that promptly water is upward full, can close change-over switch (34) this moment, forward handle to neutral position by last water level, at this moment, the contact in the change-over switch (34) all is disconnected, cut off the power supply of last water four way solenoid valve (16) and draining four way solenoid valve (5), at this moment, last water four-way electromagnetic valve core (21) and drain solenoid valve spool (10) can reset under the elastic force effect of back-moving spring (18), back-moving spring (7).After last water four-way electromagnetic valve core (21) resets, cut off the path of running water pipe (25) aquaporin (20) to the F type water pipe, the path of F type water pipe hot water channel (23) and external hot-water line (26) is opened simultaneously, draining four-way electromagnetic valve core (10) is by the elastic reset of back-moving spring (7), at this moment, the hot water channel (9) of solar water heater delivery port (2) and F type drainpipe is closed, simultaneously, the air duct (11) of air inlet (13) and F type drainpipe is opened, air enters F type drainpipe air duct (11) by air inlet (13) through valve core of the electromagnetic valve passage (12), at this moment the water in the external water pipe (15) is under the effect of the gravity of atmospheric pressure and water, flow to F type water pipe hot water channel (23) along external water pipe (15), and through valve core of the electromagnetic valve passage (24), through external hot-water line (26), discharge through hot-water line valve (27).After the water emptying, the user can close hot-water valve (27).Since stop to go up water, anhydrous flowing in the overflow pipe (28), check valve (29) is closed under the effect of valve inner spring immediately, and this moment, overflow pipe was closed, and can be the hot water thermal insulating in the solar hot water bucket (1) like this.
When the user need use hot water, can forward the handle of change-over switch (34) to hot water position (see figure 3) downwards by neutral position, at this moment inner contact B and the contact D of change-over switch (34) connects, at this moment power supply (36) is through lead (38), contact B through change-over switch (34), contact D, cross-over connection lead (35) on change-over switch (34) is to contact F, enter through the end of lead (39) from draining four-way electromagnetic valve coil (6), got back to power supply (37) from the other end of draining four-way electromagnetic valve coil (6) through lead (40), draining four-way electromagnetic valve coil (6) is had, at this moment, draining four-way electromagnetic valve coil (6) produces magnetic force, attract to carry on the drain solenoid valve spool (10), at this moment, back-moving spring (7) is compressed, valve core of the electromagnetic valve (10) is connected F type drainpipe drainage channel (9) and hot water barrel's delivery port (2) simultaneously, F type drainpipe air duct (11) is closed simultaneously, at this moment hot water by hot water barrel's delivery port (2) through valve core of the electromagnetic valve passage (12), through F type drainpipe hot water channel (9), through external water pipe (15), through F type water pipe hot water channel (23), through valve core of the electromagnetic valve passage (24), through external hot-water line (26), flow out through hot-water line valve (27).After the user uses up hot water, the handle of change-over switch (34) is changed go back to neutral position by the hot water position, at this moment the inner contact of change-over switch (34) all disconnects, at this moment, draining four-way electromagnetic valve coil (6) loses magnetic force because of outage, valve core of the electromagnetic valve (10) is by the elastic reset of back-moving spring (7), cut off the hot water channel of hot water barrel's delivery port (2) and F type drainpipe (9), opened the air duct (11) of magnetic valve housing air inlet (13) and F type drainpipe simultaneously, air is by magnetic valve housing air inlet (13) process valve core of the electromagnetic valve passage (12), air duct (11) through F type drainpipe, enter external water pipe (15), the gravity of atmospheric pressure and water makes the interior water of pipeline along external water pipe (15), F type water pipe hot water channel (23), valve core of the electromagnetic valve passage (24), external hot-water line (26) is discharged from hot-water line valve (27).
The utility model mainly has following characteristics:
1, production cost is low, and installation method is simple, dependable performance, applied widely;
2, solar water heater drainage arrangement and water-supply apparatus are reasonably made up, not only effectively prevented the icing in the winter time phenomenon of the interior residual surplus water of water heater drainpipe of present use, also can allow the user open water valve and just directly can use hot water, be saves energy, reduced the waste of water resource again.
Description of drawings
Fig. 1 is on the utility model solar water heater in water, the drainage arrangement, the schematic diagram of aquaporin (20) in off position the time on F type drainpipe drainage channel (9) and the F type water pipe;
Fig. 2 is on the utility model solar water heater in water, the drainage arrangement, the schematic diagram (this figure be working state schematic representation when going up water for solar water heater hot water barrel (1)) of aquaporin (20) when open mode on F type drainpipe drainage channel (9) and the F type water pipe;
Fig. 3 is on the utility model solar water heater in water, the drainage arrangement, F type drainpipe drainage channel (9) and F type water pipe hot water channel (23) are in open mode, simultaneously, the schematic diagram (this figure be schematic diagram when using hot water (draining) duty) of aquaporin (20) when being in closed condition on F type drainpipe air duct (11) and the F type water pipe.
Below the Arabic numerals signal among the figure:
1. solar hot water bucket; 2. hot water barrel's delivery port; 3. travel switch contact; 4. travel switch contact; 5. draining four way solenoid valve; 6. draining four-way electromagnetic valve coil; 7. back-moving spring; 8. draining four-way electromagnetic housing; 9.F type drainpipe drainage channel; 10. drain solenoid valve spool; 11.F type drainpipe air duct; 12. valve core of the electromagnetic valve passage; 13. magnetic valve housing air inlet; 14.F type drainpipe; 15. external drainpipe; 16. last water four way solenoid valve; 17. last water four-way electromagnetic valve coil; 18. back-moving spring; 19. last water four-way electromagnetic valve chest; 20.F aquaporin on the type water pipe; 21. last water four-way electromagnetic valve core; 22. last water four way solenoid valve F type water pipe; 23.F type water pipe hot water channel; 24. valve core of the electromagnetic valve passage; 25. running water pipe; 26. external hot-water line; 27. hot-water line valve; 28. overflow pipe; 29. check valve; 30. control cabinet; 31. control cabinet inspection cover; 32. control cabinet inspection cover construction bolt; 33. external overflow pipe; 34. change-over switch, 35. cross-over connection leads, 36. power connections, 37. power connections, 38. leads, 39. leads, 40. leads, 41. leads, 42. leads.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
The specific embodiment
Embodiment
At first, with thickness is that 3 millimeters steel plate is made a control cabinet (30), side at control cabinet (30) is provided with a control cabinet inspection cover (31), control cabinet (30) is welded on the bottom of solar hot water bucket (1), a draining four way solenoid valve (5) is installed in control cabinet (30), a travel switch contact (3) and a travel switch contact (4) are installed on draining four way solenoid valve (5), one end of draining four way solenoid valve (5) is connected with hot water barrel's delivery port (2), the other end is connected with F type drainpipe (14), and the lower end of F type drainpipe (14) is connected with external water pipe (15); Water four way solenoid valve (16) in one of user's indoor installation, aquaporin (20) is connected with F type water pipe hot water channel (23) on one end of last water four way solenoid valve (16) and the F type water pipe, the other end is connected with external hot-water line (26) with running water pipe (25), and the end of external hot-water line (26) is equipped with a hot-water line valve (27).In solar hot water bucket (1), an overflow pipe (28) is installed, a check valve (29) is installed in control cabinet (30), the upper end of check valve (29) is connected with the outlet of overflow pipe (28), the lower end of check valve (29) is installed on the external overflow pipe (33), the lower end of external overflow pipe (33) is installed in the top in user's indoor pond, after the water in the solar hot water bucket (1) is filled with, Yu Shui can flow to overflow pipe (28), because the pressure of current, check valve (29) is opened, and Yu Shui is arranged to the indoor pond of user along external overflow pipe (33).
Change-over switch of indoor installation (34) the user, change-over switch (34) is provided with A, B, C, D, five contacts of E, F, wherein contact F is connected with cross-over connection lead (35) with contact D, with lead (38) the contact B of power connection (36) with change-over switch (34) is connected, contact F is connected with travel switch contact (3) with draining four-way electromagnetic valve coil (6) with lead (39); With lead (40) draining four-way electromagnetic valve coil (6) is connected with power connection (37) with last water four-way electromagnetic valve coil (17), contact C with change-over switch (34) is connected with travel switch contact (4) with lead (41), and the contact E with change-over switch (34) is connected with last water four-way electromagnetic valve coil (17) with lead (42).
When the user will be for hot water barrel (1) water filling of solar water heater, at first open hot-water line valve (27), change-over switch (34) is turned to water level to be put, the inner contact B of change-over switch this moment (34) and F connect, C and E connect (see figure 2), at this moment, power supply (36) is by lead (38) process inner contact B, F, connect lead (39) and make draining four-way electromagnetic valve coil (6) energising, at this moment, draining four-way electromagnetic valve coil (6) produces magnetic force, will carry on the valve core of the electromagnetic valve (10), while compression reseting spring (7), at this moment hot water barrel's delivery port (2) is connected with F type drainpipe drainage channel (9); Along with carrying on the valve core of the electromagnetic valve (10), travel switch contact (3) and travel switch contact (4) closure, at this moment power supply (36) is by lead (38) process inner contact B, F, connect lead (39), travel switch contact (3), travel switch contact (4), lead (41), the contact C of change-over switch (34), E, lead (42) makes water four-way electromagnetic valve coil (17) energising, at this moment, last water four-way electromagnetic valve coil (17) produces magnetic force, to carry on the valve core of the electromagnetic valve (21), while compression reseting spring (18), valve core of the electromagnetic valve (21) seals F type water pipe hot water channel (23) immediately, aquaporin (20) is opened on the F type water pipe simultaneously, at this moment, water by running water pipe (25) through valve core of the electromagnetic valve passage (24), aquaporin (20) on F type water pipe, through external water pipe (15), through F type drainpipe hot water channel (9), through valve core channel (12), through solar hot water bucket delivery port (2), enter solar hot water bucket (1), after the water in the solar hot water bucket (1) is filled with, Yu Shuihui flows to the overflow pipe (28) in the hot water barrel, because the pressure effect of current, check valve (29) is opened, and Yu Shuike arranges to the indoor pond of user along external overflow pipe (33).After the user sees overflow pipe (33) spilling water, learn that promptly water is upward full, can close change-over switch (34) this moment, forward handle to neutral position by last water level, at this moment, the contact in the change-over switch (34) all is disconnected, cut off the power supply of last water four way solenoid valve (16) and draining four way solenoid valve (5), at this moment, last water four-way electromagnetic valve core (21) and drain solenoid valve spool (10) can reset under the elastic force effect of back-moving spring (18), back-moving spring (7).After last water four-way electromagnetic valve core (21) resets, cut off the path of running water pipe (25) aquaporin (20) to the F type water pipe, the path of F type water pipe hot water channel (23) and external hot-water line (26) is opened simultaneously, draining four-way electromagnetic valve core (10) is by the elastic reset of back-moving spring (7), at this moment, the hot water channel (9) of solar water heater delivery port (2) and F type drainpipe is closed, simultaneously, the air duct (11) of air inlet (13) and F type drainpipe is opened, air enters F type drainpipe air duct (11) by air inlet (13) through valve core of the electromagnetic valve passage (12), at this moment the water in the external water pipe (15) is under the effect of the gravity of atmospheric pressure and water, flow to F type water pipe hot water channel (23) along external water pipe (15), and through valve core of the electromagnetic valve passage (24), through external hot-water line (25), discharge through hot-water line valve (27).After the water emptying, the user can close hot-water valve (27).Since stop to go up water, anhydrous flowing in the overflow pipe (28), check valve (29) is closed under the effect of valve inner spring immediately, and this moment, overflow pipe was closed, and can be the hot water thermal insulating in the solar hot water bucket (1) like this.
When the user need use hot water, can forward the handle of change-over switch (34) to hot water position (see figure 3) downwards by neutral position, at this moment inner contact B and the contact D of change-over switch (34) connects, at this moment power supply (36) is through lead (38), contact B through change-over switch (34), contact D, cross-over connection lead (35) on change-over switch (34) is to contact F, enter through the end of lead (39) from draining four-way electromagnetic valve coil (6), got back to power supply (37) from the other end of draining four-way electromagnetic valve coil (6) through lead (40), draining four-way electromagnetic valve coil (6) is had, at this moment, draining four-way electromagnetic valve coil (6) produces magnetic force, attract to carry on the drain solenoid valve spool (10), at this moment, back-moving spring (7) is compressed, valve core of the electromagnetic valve (10) is connected F type drainpipe drainage channel (9) and hot water barrel's delivery port (2) simultaneously, F type drainpipe air duct (11) is closed simultaneously, at this moment hot water by hot water barrel's delivery port (2) through valve core of the electromagnetic valve passage (12), through F type drainpipe hot water channel (9), through external water pipe (15), through F type water pipe hot water channel (23), through valve core of the electromagnetic valve passage (24), through external hot-water line (26), flow out through hot-water line valve (27).After the user uses up hot water, the handle of change-over switch (34) is changed go back to neutral position by the hot water position, at this moment the inner contact of change-over switch (34) all disconnects, at this moment, draining four-way electromagnetic valve coil (6) loses magnetic force because of outage, valve core of the electromagnetic valve (10) is by the elastic reset of back-moving spring (7), cut off the hot water channel of hot water barrel's delivery port (2) and F type drainpipe (9), opened the air duct (11) of magnetic valve housing air inlet (13) and F type drainpipe simultaneously, air is by magnetic valve housing air inlet (13) process valve core of the electromagnetic valve passage (12), air duct (11) through F type drainpipe, enter external water pipe (15), the gravity of atmospheric pressure and water makes the interior water of pipeline along external water pipe (15), F type water pipe hot water channel (23), valve core of the electromagnetic valve passage (24), external hot-water line (26) is discharged from hot-water line valve (27).
The utility model uses the hot water of solar water heater from the user, to water on the solar hot water bucket, only need rotate and be arranged on indoor change-over switch, can all finish automatically.
Claims (3)
1, water on the solar water heater, drainage arrangement, it is characterized in that: a control cabinet (30) is installed in the bottom of solar hot water bucket (1), a draining four way solenoid valve (5) is installed in control cabinet (30), a travel switch contact (3) and a travel switch contact (4) are installed on draining four way solenoid valve (5), water four way solenoid valve (16) in one of user's indoor installation, aquaporin (20) is connected with F type water pipe hot water channel (23) on one end of last water four way solenoid valve (16) and the F type water pipe, the other end is connected with external hot-water line (26) with running water pipe (25), in solar hot water bucket (1), an overflow pipe (28) is installed, a check valve (29) is installed, at user's the indoor change-over switch (34) that is equipped with in control cabinet (30).
2, water, drainage arrangement on the solar water heater according to claim 1, it is characterized in that: the upper end of check valve (29) is connected with the outlet of overflow pipe (28), the lower end of check valve (29) is installed on the external overflow pipe (33), and the lower end of external overflow pipe (33) is installed in the top in the indoor pond of user.
3, water, drainage arrangement on the solar water heater according to claim 1, it is characterized in that: change-over switch (34) is provided with A, B, C, D, five contacts of E, F, wherein contact F is connected with cross-over connection lead (35) with contact D, with lead (38) the contact B of power connection (36) with change-over switch (34) is connected, contact F is connected with travel switch contact (3) with draining four-way electromagnetic valve coil (6) with lead (39); With lead (40) draining four-way electromagnetic valve coil (6) is connected with power connection (37) with last water four-way electromagnetic valve coil (17), contact C with change-over switch (34) is connected with travel switch contact (4) with lead (41), and the contact E with change-over switch (34) is connected with last water four-way electromagnetic valve coil (17) with lead (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201242085U CN2921719Y (en) | 2006-06-28 | 2006-06-28 | Solar water heater water feeding and draining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201242085U CN2921719Y (en) | 2006-06-28 | 2006-06-28 | Solar water heater water feeding and draining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2921719Y true CN2921719Y (en) | 2007-07-11 |
Family
ID=38254199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201242085U Expired - Fee Related CN2921719Y (en) | 2006-06-28 | 2006-06-28 | Solar water heater water feeding and draining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2921719Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275981A (en) * | 2021-11-29 | 2022-04-05 | 江苏绿城环境工程有限公司 | Sludge and sewage automatic separation's purification and cleaning device |
-
2006
- 2006-06-28 CN CNU2006201242085U patent/CN2921719Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275981A (en) * | 2021-11-29 | 2022-04-05 | 江苏绿城环境工程有限公司 | Sludge and sewage automatic separation's purification and cleaning device |
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