CN203405006U - Solar water heater drainage anti-freezing device - Google Patents
Solar water heater drainage anti-freezing device Download PDFInfo
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- CN203405006U CN203405006U CN201320379102.XU CN201320379102U CN203405006U CN 203405006 U CN203405006 U CN 203405006U CN 201320379102 U CN201320379102 U CN 201320379102U CN 203405006 U CN203405006 U CN 203405006U
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- water
- mouth
- pipe
- water heater
- feed pipe
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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
The utility model provides a solar water heater drainage anti-freezing device. The device comprises a water inlet pipe which is arranged on a solar water heater. The water inlet pipe is communicated with a water supply pipe. The water inlet pipe is communicated with a drainage pipe. The drainage pipe is provided with a drainage anti-freezing device. The solar water heater drainage anti-freezing device provided by the utility model does not consume electricity, has a great drainage anti-freezing performance, and has the advantages of long service life and low price.
Description
Technical field
The utility model relates to solar water heater field, relates in particular to a kind of solar water heater drainage antifreezing device.
Background technology
Along with people progressively deepen the understanding of new forms of energy, increasing clean energy resource enters into ordinary people's daily life, solar water heater is as the common life appliance of people's daily life, not only can also can be used for washing dish for the shower of having a bath, washing clothes etc. needs the place of hot water.But, northern area at China's Cold Winter, extraneous freezed in winter is normal phenomenon, and solar energy is placed in the outdoor daily apparatus that directly converts solar energy into heat energy as one, himself is owing to absorbing, transforming and store the heat of the sun, self can not freeze, freeze, but thinner for the pipeline section supplying water, residual water column in pipeline after supplying water, be exposed in external environment and often freeze, cause using, may be by water pipe from freezing crack when serious, even if winter, parcel one deck frost retarding layer, was also still of no avail.
In order to solve the drawback that cannot use after water pipe freezes, some users adopt a kind of electrically heated mode, at the periphery that is exposed to outdoor feed pipe, be wound around resistance heated band, although icing water pipe can be thawed during use, recovering normal uses, but still cannot solve the icing phenomenon of water pipe, and need to consume a certain amount of electric energy, not energy-conservation, the user who also has adopts the connection of the different pipelines of a kind of solenoid control and closes, when upper water, by solenoid control upper hose and water tank, connect, after water tank is full of, pass through solenoid control, close water tank pipeline, make feed pipe and atmosphere UNICOM, under pressure and Action of Gravity Field, residual water column in upper hose is discharged, but this magnetic valve is found to have the following disadvantages through using: magnetic valve is electric elements, although power consumption is little, but still consume electric energy, not energy-conservation, magnetic valve long term exposure is in external environment in addition, through exposing to the weather, the stimulation colding and heat succeed each other, easily bad, about general 1 year life-span, price is higher.
Summary of the invention
The technical problems to be solved in the utility model is for the existing weak point of prior art, a kind of solar water heater drainage antifreezing device is provided, and this device both need not consume electric energy, had again good water-drainage antifreezing performance, the utility model long service life, cheap in addition.
Technical solution of the present utility model is, following a kind of solar water heater drainage antifreezing device is provided, comprise on the water inlet pipe that is arranged on solar water heater, water inlet pipe and be communicated with feed pipe, on described water inlet pipe, be communicated with evacuated tube, described evacuated tube is provided with drainage antifreezing device, and described drainage antifreezing device is for controlling the control valve being selectively communicated with between water inlet pipe and evacuated tube; Described control valve comprises P mouth and A mouth, described control valve is the one-way flow valve that P mouth ends to P mouth to the connection of A mouth, A mouth, the P mouth of described control valve is connected with evacuated tube, the A mouth of described control valve is connected with water inlet pipe, described control valve comprises outside housing, in described housing, be provided with support, on described support, be hinged with balancing pole, one end of balancing pole is provided with the spool that can make P mouth airtight.
Adopt above technical scheme, described evacuated tube and drainage antifreezing device are directly used in conjunction with, in the winter time to after water on solar water heater water tank, under the effect that in feed pipe, residual part water column is communicated with atmosphere in evacuated tube, along feed pipe, reflux, it is empty making to be exposed to outdoor feed pipe, freezing of effectively having avoided causing because water column is residual is icing, and solar water heater can normally be used winter, the described drainage antifreezing device principle of work and power is similar to check valve, two mouths that control valve is provided with are called P mouth and A mouth, described P mouth is upper, A mouth under, described control valve is that P mouth to A mouth is communicated with, A mouth is to the structure of P mouth cut-off, identical with the circulation style of check valve, circulating direction is that air can enter into feed pipe by evacuated tube, and water in feed pipe can not flow to evacuated tube, can prevent that the high-temperature vapor of solar water heater inside from entering evacuated tube by water inlet pipe simultaneously, condensed water droplet is back to indoor through feed pipe, can effectively prevent that condensed water from entering evacuated tube, by lever principle, can make spool and P mouth be adjacent to, when water filling, hydraulic pressure can make spool be combined tightr with P mouth, prevent from leaking, during draining, by the self gravitation of water column, make feed pipe produce negative pressure, the atmosphere being communicated with by evacuated tube backs down spool, enter feed pipe, impel the water column that is exposed to outdoor feed pipe inside to reflux, avoid icing.
As preferably, the other end of described balancing pole is provided with balancing weight.Adopt the technical program, described balancing pole is according to the quality of the position of the position of support, hinge and spool, can increase balancing weight at the balancing pole other end, the quality size of balancing weight can make to move on spool with normality, keep the sealing of P mouth, and when draining, atmospheric pressure can back down spool and be as the criterion.
As preferably, the normality of described control valve is air-tight state.Adopt present technique side to press, in the time of can effectively preventing water, current are too urgent, and current enter evacuated tube by P mouth; In addition, can prevent that the high-temperature vapor of solar water heater inside from entering evacuated tube by water inlet pipe, condensed water droplet is back to indoor through feed pipe, can effectively prevent that condensed water from entering evacuated tube.
As preferably, the upper end that described feed pipe is positioned at indoor section is communicated with drainpipe.Adopt the technical program, a described feed pipe part is positioned at outdoor, be connected with the water tank of solar water heater, another part is positioned at indoor, with indoor running water pipe to being communicated with, the described upper end that is positioned at indoor part is indoor feed pipe near the position of ceiling, increase and establish a tee pipe fitting herein, draw a drainpipe, drainpipe mainly can be effectively when the quick emptying residual water column that is positioned at outdoor feed pipe, assurance is positioned at one section of water column of the inner reservation of indoor feed pipe, the diversion while using hot water for living.
As preferably, the lower end that described feed pipe is positioned at indoor section is communicated with and is connected to water service pipe.Adopt the technical program, a described feed pipe part is positioned at outdoor, be connected with the water tank of solar water heater, another part is positioned at indoor, with indoor running water pipe to being communicated with, the described feed pipe lower end that is positioned at indoor section is indoor feed pipe near the position of running water pipe interface, on feed pipe, set up a tee pipe fitting, be communicated with water service pipe, with the distance of said drainpipe in above-mentioned feed pipe 2 meters of left and right, to guarantee producing enough large attraction, the water in solar water heater water tank is flowed out.
As preferably, on described feed pipe, drainpipe, evacuated tube and water service pipe, be respectively equipped with valve.Adopt the technical program, by the open and close of valve, the connection of control piper is with closed, when water filling in solar water heater water tank, the valve closing that keeps evacuated tube, drainpipe and water service pipe to be provided with, open the valve on feed pipe, water can be filled with the water tank of solar water heater smoothly; When need to be emptying to the water column in outdoor feed pipe, close the valve on feed pipe and water service pipe, valve in opening water discharge pipe and evacuated tube, under atmospheric pressure effect, the spool of control valve inside moves, air enters feed pipe through evacuated tube, and the water in feed pipe is discharged through drainpipe, prevents from freezing freezing; When need to use in solar water heater water tank hot water time, close the valve on drainpipe, evacuated tube and feed pipe, open the valve on water service pipe, the water column remaining in indoor feed pipe is dirty, causes the pressure decreased of pipe interior, form negative pressure, water in solar water heater water tank under pressure, flows out from water tank, under permanent suction, continuously outflow gradually, process feed pipe and water service pipe are for user.
Accompanying drawing explanation
The structural representation of pipeline connection when Fig. 1 is the utility model water supply.
Fig. 2 is the structural representation of the utility model pipeline connection when emptying.
Fig. 3 is the structural representation of the utility model pipeline connection while using hot water in water tank.
Shown in figure: 1, feed pipe, 2, evacuated tube, 3, drainpipe, 4, water service pipe, 5.1, valve I, 5.2, valve II, 5.3, valve III, 5.4, valve IV, 6, water inlet pipe, 7, drainage antifreezing device, 7.1, housing, 7.2, support, 7.3, balancing pole, 7.4, spool, 7.5, balancing weight.
The specific embodiment
For ease of explanation, below in conjunction with accompanying drawing, solar water heater upper and lower conduit drainage antifreezing device of the present utility model is elaborated.
As shown in Fig. 1 to Fig. 3 in accompanying drawing, a kind of solar water heater drainage antifreezing device, comprise the water inlet pipe 6 being arranged on solar water heater, on water inlet pipe 6, be communicated with feed pipe 1, on described water inlet pipe 6, be communicated with evacuated tube 2, described evacuated tube 2 is provided with drainage antifreezing device 7, described drainage antifreezing device 7 is for controlling the selective control valve being communicated with between water inlet pipe 6 and evacuated tube 2, described control valve comprises P mouth and A mouth, described control valve is that P mouth to A mouth is communicated with, A mouth is to the one-way flow valve of P mouth cut-off, the P mouth of described control valve is connected with evacuated tube 2, the A mouth of described control valve is connected with water inlet pipe 6, described control valve comprises outside housing 7.1, in described housing 7.1, be provided with support 7.2, on described support 7.2, be hinged with balancing pole 7.3, one end of balancing pole 7.3 is provided with and can makes the airtight spool of P mouth 7.4, the other end of described balancing pole 7.3 is provided with balancing weight 7.5, the normality of described control valve is air-tight state, the upper end that described feed pipe 1 is positioned at indoor section is communicated with drainpipe 3, the lower end connection that described feed pipe 1 is positioned at indoor section is connected to water service pipe 4, described feed pipe 1, drainpipe 3, evacuated tube 2, and be respectively equipped with valve on water service pipe 4.
Above-mentioned solar water heater, in order to save the consumption of water pipe, merges into one by upper hose and outlet pipe, and upper hose and outlet pipe are same water pipe, are referred to as feed pipe 1.
Delivery port one side in the valve I 5.1 near being provided with on feed pipe 1 is communicated with water service pipe 4, and water service pipe 4 is positioned at the lower end of indoor feed pipe, and water service pipe 4 is provided with valve IV 5.4; Described feed pipe 1 is positioned on one section of indoor water supply line, near the position of ceiling, by a tee pipe fitting, is connected and is had one for the emptying drainpipe 3 that is positioned at outdoor feed pipe 1 residual water column, and described drainpipe 3 is provided with valve III 5.3.Why be chosen in feed pipe, near the position of ceiling, a drainpipe 3 be set, mainly to be 3 meters of left and right according to general family housing floor height, 1 ~ 1.2 meter of left and right and water service pipe 4 is generally above the ground level, guarantee to be positioned at residual 2 meters of water columns that left and right is high of indoor feed pipe 1, as hot water being attracted out from the water tank of solar water heater the drainage water of use.
Be exposed to outdoor feed pipe 1, the water inlet pipe 6 of solar water heater water tank, and cross a tee pipe fitting and be connected with the control valve A mouth device for cleaning pipeline that is connected, water inlet pipe 6 length are shorter, generally 0.2 meter of left and right, can utilize the heat of hot water in solar water heater water tank to keep water inlet pipe 6 not freeze, the connecting pipe of described tee pipe fitting and drainage antifreezing device 7 is also relatively short, control valve structure is similar to one-way flow valve arrangement, also be provided with P mouth and A mouth, circulating direction is that P mouth is to A mouth, and normality is closed state, so although current can enter in control valve housing 7.1 while supplying water, but cannot flow into evacuated tube 2 by control valve.
During use, as shown in fig. 1: pipeline connection state during water supply.While needing water filling in the water tank of solar water heater, first keep valve II 5.2, valve III 5.3 and valve IV 5.4 that evacuated tube 2, drainpipe 3 and water service pipe 4 are provided with to close, open the valve I 5.1 on feed pipe 1, water can be filled with the water tank of solar water heater smoothly.
As shown in Figure 2: pipeline connection state when emptying.At the water tank of solar water heater, fill with after water, need to be emptying to the water column in outdoor feed pipe 1, now close valve I 5.1 and valve IV 5.4 on feed pipe 1 and water service pipe 4, valve III 5.3 in opening water discharge pipe 3 and evacuated tube 2 and valve II 5.2, under atmospheric pressure effect, the spool 7.4 of control valve inside moves, and air enters feed pipe 1 through evacuated tube 2, water in feed pipe 1 is discharged through drainpipe 3, can effectively prevent from freezing freezing.
As shown in Figure 3: pipeline connection state while using in water tank hot water.Because drainpipe 3 is located at indoor, indoor temperature is high, do not freeze, when need to use in solar water heater water tank hot water time, close drainpipe 3, valve III 5.3 on evacuated tube 2 and feed pipe 1, valve II 5.2 and valve I 5.1, open the valve IV 5.4 on water service pipe 4, remain in that to be positioned at the water column of indoor feed pipe 1 dirty, cause the pressure decreased of pipe interior, form negative pressure, water in solar water heater water tank under pressure, from water tank, flow out, under permanent suction, continuously outflow, process feed pipe 1 and water service pipe 4 are for user.
The internal structure of described controller is simple, easy to use, cost is low, spool 7.4 structures of the present utility model can be varied, as piston type, spring-piece type etc., as long as can effectively anti-sealing to enter under evacuated tube 2 and normality be closed state to spool 7.4 in the time of can meeting solar water heater toward water tank water filling, with prevent that steam from entering evacuated tube 2, in order to prevent that drainage antifreezing device 7 inside from having ponding residual, drainage antifreezing device 7 bottoms are that periphery is high, the funnel structure that A mouth place is low, the water of drainage antifreezing device 7 inside can be discharged clean, prevent from freezing icing.
Designed drainage antifreezing device 7 materials of the utility model are overall plastic material, also can be copper, stainless steel etc. and are difficult for the material of getting rusty, corroding, and can guarantee to have good service life.
In the above-described embodiments, preferred forms of the present utility model is described, obviously, under inventive concept of the present utility model, still can make a lot of variations.At this, should illustrate, any change of making under inventive concept of the present utility model all will fall in protection domain of the present utility model.
Claims (6)
1. a solar water heater drainage antifreezing device, comprise the water inlet pipe (6) being arranged on solar water heater, on water inlet pipe (6), be communicated with feed pipe (1), it is characterized in that: on described water inlet pipe (6), be communicated with evacuated tube (2), described evacuated tube (2) is provided with drainage antifreezing device (7), described drainage antifreezing device (7) is for controlling the selective control valve being communicated with between water inlet pipe (6) and evacuated tube (2), described control valve comprises P mouth and A mouth, described control valve is that P mouth to A mouth is communicated with, A mouth is to the one-way flow valve of P mouth cut-off, the P mouth of described control valve is connected with evacuated tube (2), the A mouth of described control valve is connected with water inlet pipe (6), described control valve comprises outside housing (7.1), in described housing (7.1), be provided with support (7.2), described support (7.2) is upper is connected to balancing pole (7.3) by hinge, one end of balancing pole (7.3) is provided with the spool (7.4) that can make P mouth airtight.
2. solar water heater drainage antifreezing device according to claim 1, is characterized in that: the other end of described balancing pole (7.3) is provided with balancing weight (7.5).
3. solar water heater drainage antifreezing device according to claim 2, is characterized in that: the normality of described control valve is air-tight state.
4. solar water heater drainage antifreezing device according to claim 3, is characterized in that: the upper end that described feed pipe (1) is positioned at indoor section is communicated with drainpipe (3).
5. solar water heater drainage antifreezing device according to claim 4, is characterized in that: the lower end connection that described feed pipe (1) is positioned at indoor section is connected to water service pipe (4).
6. solar water heater drainage antifreezing device according to claim 5, is characterized in that: on described feed pipe (1), drainpipe (3), evacuated tube (2) and water service pipe (4), be respectively equipped with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320379102.XU CN203405006U (en) | 2013-06-28 | 2013-06-28 | Solar water heater drainage anti-freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320379102.XU CN203405006U (en) | 2013-06-28 | 2013-06-28 | Solar water heater drainage anti-freezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405006U true CN203405006U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320379102.XU Expired - Fee Related CN203405006U (en) | 2013-06-28 | 2013-06-28 | Solar water heater drainage anti-freezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420960A (en) * | 2016-05-23 | 2017-12-01 | 庆东纳碧安株式会社 | Utilize the residual water removal device of the hot water mat of circulating pump |
| CN116951588A (en) * | 2023-09-20 | 2023-10-27 | 广东美的暖通设备有限公司 | Water recovery device, air conditioner external unit, air conditioning system, control method and storage medium |
-
2013
- 2013-06-28 CN CN201320379102.XU patent/CN203405006U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420960A (en) * | 2016-05-23 | 2017-12-01 | 庆东纳碧安株式会社 | Utilize the residual water removal device of the hot water mat of circulating pump |
| CN107420960B (en) * | 2016-05-23 | 2020-12-29 | 庆东纳碧安株式会社 | Residual water removing device of hot water pad using circulating pump |
| CN116951588A (en) * | 2023-09-20 | 2023-10-27 | 广东美的暖通设备有限公司 | Water recovery device, air conditioner external unit, air conditioning system, control method and storage medium |
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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: 20140122 Termination date: 20160628 |