CN201421213Y - Pipeline evacuating and water saving system of solar water heater - Google Patents
Pipeline evacuating and water saving system of solar water heater Download PDFInfo
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- CN201421213Y CN201421213Y CN200920106916XU CN200920106916U CN201421213Y CN 201421213 Y CN201421213 Y CN 201421213Y CN 200920106916X U CN200920106916X U CN 200920106916XU CN 200920106916 U CN200920106916 U CN 200920106916U CN 201421213 Y CN201421213 Y CN 201421213Y
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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 pipeline evacuating and water saving system of a solar water heater, which comprises a first control valve, a water storage container, a control device, a draining pipeline, an air-vent valve and an air-vent pipeline; the water storage container is communicated with the draining pipeline through the first control valve; the air-vent valve is communicated with the air-vent pipeline connected with the upper and lower pipeline of the solar water heater, and the control device is connected with the first control valve; if through inspecting the operating conditions ofthe cold water valve and the hot water issuing control valve and the remaining water condition of the upper and lower pipeline, the operating conditions of the cold water valve and the hot water issuing control valve are closed, and remaining water exists in the upper and lower pipeline, the first control valve is required to be started, then air is ventilated through the air-vent valve, and the remaining water in the upper and lower pipeline is drained into the water storage container through the draining pipeline. The pipeline evacuating and water saving system has simple structure, is combined with the solar water heater, and is provided with the advantages that the remaining water in the upper and lower pipeline can be evacuated automatically so as to prevent the pipeline from being cracked in winter, the water resource is saved, and the waiting time of the solar water heating for hot water usage is shortened.
Description
Technical field
The utility model relates to water-saving system, relates in particular to a kind of solar energy water heater pipe emptying water-saving system.
Background technology
At present, solar water heater is widely used, the prior solar water heater structure as shown in Figure 1, the upper and lower water of this water heater uses a upper and lower conduit road S1, when adding cold water, by the cold valves S2 of this upper and lower conduit road S1 after opening with go out hot water control valve S3 and go up water to water tank S5, shown in solid arrow A among Fig. 1, when water tank S5 emits hot water, air-breather on the water tank is opened and can outside atmosphere be communicated with, hot water flows into user's shower nozzle S4 by this upper and lower conduit road S1 from water tank, shown in dotted line tip B among Fig. 1.But the solar water heater of this structure exist fill up water in the water tank after, can storE certain surplus water among the S1 of upper and lower conduit road can't emptying, only when using hot water next time, by hot water with the surplus water emptying among the S1 of this upper and lower conduit road after, could discharge hot water, be used to have a bath or common use hot water no matter be like this, all increased user's stand-by period, caused the inconvenience of using, and the surplus water of directly emptying can't reclaim generally, waste water resource.
Summary of the invention
The utility model embodiment provides a kind of solar energy water heater pipe emptying water-saving system, when can realize and reclaim, reach and not only save water resource and made things convenient for the use of solar water heater and improved the utilization rate of hot water the automatic emptying of surplus water in the upper and lower conduit road of solar water heater.
The purpose of this utility model is achieved through the following technical solutions:
The utility model embodiment provides a kind of solar energy water heater pipe emptying water-saving system, comprising:
First control valve, tank, control device, discharge pipe line, vent valve and ventilative pipeline;
Described tank water inlet is communicated with discharge pipe line through described first control valve;
Described vent valve and ventilative pipeline connection, the ventilative pipeline other end is the air inlet on the upper and lower conduit road of connection solar water heater;
Described control device, be connected with described first control valve, whether the duty and the upper and lower conduit road that are used for detecting the cold valves of solar water heater and going out the hot water control valve have surplus water, when detecting cold valves and going out the hot water control valve and be in closed condition and the upper and lower conduit road surplus water is arranged, then first control valve is opened in control, after described vent valve and ventilative pipeline make the upper and lower conduit Reuter gas of solar water heater, enter tank by the surplus water in the described upper and lower conduit of the discharge pipe line road and store.
The technical scheme that is provided by above-mentioned the utility model embodiment as can be seen, the utility model embodiment cooperates with tank by the pipeline that utilizes first control valve and draining, can be under control device control according to the operating position of solar water heater, automatic with the surplus water emptying in the solar water heater upper and lower conduit road, and realize reclaiming storage conveniently to utilize again.This tube emptying water-saving system is simple in structure, matches with solar water heater, has the surplus water in the automatic emptying upper and lower conduit road, has the saving water resource, and the advantage of the stand-by period when reducing solar water heater and using hot water.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the solar water heater that Fig. 1 provides for prior art;
The structural representation of the tube emptying water-saving system that Fig. 2 provides for the utility model embodiment one;
The tube emptying water-saving system that Fig. 3 provides for the utility model embodiment one is applied to the structural representation of solar water heater;
The control device structured flowchart of the tube emptying water-saving system that Fig. 4 provides for the utility model embodiment one;
The circuit diagram that first control module in the control device that Fig. 5 provides for the utility model embodiment one combines with the part control circuit of solar water heater;
The energy-saving pipe evacuating pipeline water-saving system of another structure that Fig. 6 provides for the utility model embodiment one is applied to the structural representation of solar water heater;
The structural representation of the tube emptying water-saving system that Fig. 7 provides for the utility model embodiment two;
The tube emptying water-saving system that Fig. 8 provides for the utility model embodiment two is applied to the structural representation of solar water heater;
The control device structured flowchart of the tube emptying water-saving system that Fig. 9 provides for the utility model embodiment two;
The tube emptying water-saving system of another structure that Figure 10 provides for the utility model embodiment two is applied to the structural representation of solar water heater;
The energy-saving pipe evacuating pipeline water-saving system of another structure that Figure 11 provides for the utility model embodiment two is applied to the structural representation of solar water heater;
The structural representation of the tube emptying water-saving system that Figure 12 provides for the utility model embodiment three;
The tube emptying water-saving system that Figure 13 provides for the utility model embodiment three is applied to the structural representation of solar water heater;
The control device structured flowchart of the tube emptying water-saving system that Figure 14 provides for the utility model embodiment three.
The specific embodiment
For ease of understanding, below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
Present embodiment one provides a kind of solar energy water heater pipe emptying water-saving system, is used in the solar water heater, according to the duty of solar water heater, be used for automatic emptying upper and lower conduit road surplus water and store, in order to utilizing, as shown in Figure 2, this system specifically comprises again:
The first control valve S21, tank S23, control device S27, discharge pipe line S22, vent valve S210 and ventilative pipeline S211, wherein, described tank S23 water inlet is communicated with discharge pipe line S22 through the described first control valve S23, the other end S2211 of discharge pipe line S22 is used for being communicated with the upper and lower conduit road of solar water heater in use, described control device S27 is connected with the described first control valve S21, is used for controlling opening and closing of the first control valve S21; Described vent valve S210 is communicated with ventilative pipeline S211, and the upper and lower conduit road that goes out below the hot water control valve of the air inlet S223 of the ventilative pipeline S211 other end and solar water heater is communicated with during use.In the reality, vent valve often adopts the one-way ventilating valve, as check valve commonly used in the mechanical pipeline etc.
Above-mentioned tube emptying water-saving system be applied in the existing solar water heater situation as shown in Figure 3, the discharge pipe line S22 of this tube emptying water-saving system is communicated with upper and lower conduit road S1 above the cold valves S2 of solar water heater, the cold valves S2 that detects solar water heater as the control device S27 of this tube emptying water-saving system is closed condition with the duty that goes out hot water control valve S3, illustrate that solar water heater neither is in the last water state that replenishes cold water, be not in the state of putting hot water yet, and the control device S27 of this tube emptying water-saving system can also detect among the S1 of upper and lower conduit road whether surplus water is arranged, if detect among the upper and lower conduit road S1 surplus water arranged, then the first control valve S21 is opened in control device S27 control, this moment, vent valve S210 was open-minded because of the gravity effect, through vent valve S210, ventilative pipeline S211 enters among the upper and lower conduit road S1 of solar water heater air, then the surplus water A1 among the upper and lower conduit road S1 of solar water heater is entered among the tank S27 by discharge pipe line S22 to store under the atmospheric pressure effect.In the reality, the first control valve S21 can adopt emptying solenoid valve.
Control device in the aforementioned tube evacuating pipeline water-saving system specifically comprises as shown in Figure 4: detecting unit S271, the first control module S272 and power supply S270; Wherein, power supply S270 is electrically connected with the detecting unit S271 and the first control module S272 respectively, is these two parts power supplies; In the reality, power supply can be provided with separately, in the time of also can being to use on solar water heater, utilizes the power supply of the Displaying Meter of solar water mouthpart.
Described detecting unit S271 is connected with the described first control module S272, and the described first control module S272 is used for being connected with the described first control valve S21.
In the control device of said structure, detecting unit S271 is used for solar water heater cold valves S2 and go out the duty of hot water control valve S3, if detect the cold valves S2 of solar water heater and go out hot water control valve S3 and be closed condition, then the closed condition signal is sent to the described first control module S272, and the closed condition signal that the first control module S272 transmits according to described detecting unit S271, in the upper and lower conduit road S1 that detects solar water heater, have under the situation of surplus water, just the described first control valve S21 that is connected with this first control module S272 is opened in control, and then by discharge pipe line S22 the surplus water among the upper and lower conduit road S1 of solar water heater is entered among the tank S27 and to store.
In the reality, the physical circuit of first control module in the above-mentioned control device comprises as shown in Figure 5: survey water automatic switch, relay, gauge tap and anti-reverse diode; Wherein, relay is anodal to be electrically connected with described positive source, the relay negative pole is connected to the power cathode of described cold valves through anti-reverse diode, one control terminal of described relay is electrically connected with described power cathode, and be electrically connected with the positive terminal of anti-reverse diode through described gauge tap, another control terminal of described relay is electrically connected with described survey water automatic switch, and described survey water automatic switch is used to connect the negative pole end of described first control valve.
In the above-mentioned circuit shown in Figure 5, comprised that simultaneously part control circuit in the solar water heater is as the control valve KP1 of cold valves, as the control valve KP2 that goes out the hot water control valve with as the emptying solenoid valve KP3 of first control valve of the tube emptying water-saving system of the utility model embodiment.Be applied to example in the solar water heater below in conjunction with the tube emptying water-saving system that forms as first control valve with emptying solenoid valve shown in Figure 6, process to surplus water in the illustrative circuitry control emptying upper and lower conduit road among above-mentioned Fig. 5 is described further, and divides the user mode of following several solar water heaters to describe:
(1) the last water mode of operation of solar water heater:
Instrument delivery outlet output U1, U2 and U3 by solar water heater carry out drive control valve KP1 and KP2, relay K 1 also can be because of getting electric back adhesive, make the loop get back to control end and move through anti-reverse diode D1, the work loop of the emptying solenoid valve KP3 that disconnection is used as the first control valve draining, emptying solenoid valve KP3 does not work; After last water is finished, the control valve KP1 meeting automatic disconnection that last water is used, this moment, the voltage because of control valve KP2 derived from control valve KP1, so control valve KP2 also can cut off the power supply together with KP1.KP1 and KP2 close simultaneously.This moment, relay K 1 made emptying solenoid valve KP3 loop works because of relay electric-loss, autosynchronous purpose behind the last water of realization and solar water heater, behind water on the solar water heater, automatically finish bleeding off the surplus water of staying in the upper and lower conduit road, when surplus water has been put, because of the effect of surveying taps S-KG is arranged, after detection water has been put, survey taps S-KG automatic disconnection loop when anhydrous, make as the emptying solenoid valve KP3 outage of draining valve and do not work, reach the purpose of automatic energy saving.
(2) user uses the state of having a bath of solar water heater:
The user button of having a bath is arranged, as the gauge tap SK in the circuit among Fig. 5 in the water management on solar water heater former.The user is when using solar water heater to have a bath, only need tap the button of gauge tap SK, this moment is as going out hot water control valve's control valve KP2 through gauge tap SK loop ground connection, make control valve KP2 work, and relay is because of forming the loop through gauge tap SK, and relay K 1 action disconnects the loop as the emptying solenoid valve KP3 of draining valve, emptying solenoid valve KP3 is closed, drainage does not take place like this.
3. the user uses solar water heater back state after a bath:
After using solar water heater after a bath as the user, do not re-use in a short time, can press the gauge tap SK when having a bath again, then the LED light in the relay is gone out, be that gauge tap SK is because of disconnecting, relay loses voltage and resets, the K switch 1 of relay is continued out, the loop of the emptying solenoid valve KP3 that the connection draining is used, emptying solenoid valve KP3 action is put into tank with the surplus water emptying that storEs because of having a bath in the upper and lower conduit road and is stored, when water has been put, survey taps S-KG and disconnect because of anhydrous, then loop, emptying solenoid valve KP3 place disconnects and closes automatically.
The tube emptying water-saving system of present embodiment, can be automatically according to the surplus water that stays because of last water in the operating position drain-solar water heater upper and lower conduit of solar water heater, and store to make things convenient for and follow-uply utilize again, and can cooperate with the general control instrument in the prior solar water heater, need not operation bidirectional, thoroughly solved prior solar water heater and can't carry out automatic draining according to last regimen condition, and last water needs personnel to divide the problem of independent operation of several steps, increase the convenience of using, also helped the conserve water resource.
Can know, vent valve also can adopt ventilative magnetic valve, this moment this tube emptying water-saving system be arranged in the solar water heater structural representation as shown in Figure 6, ventilative magnetic valve as vent valve is connected with described control device, when opening first control valve by described control device control, open this ventilative magnetic valve simultaneously, to reach can be breathed freely in S1 upper end in upper and lower conduit road, so that the discharge pipe line S22 and the first control valve S21 can be with the surplus water A1 emptyings among the S1 of upper and lower conduit road.
Embodiment two
Present embodiment provides a kind of solar energy water heater pipe emptying water-saving system, this tube emptying water-saving system structure is basic identical with the foregoing description one, different is has increased by the second control valve S25, water pump S24, water return pipeline S26 and the automatic sense switch of water level (referring to Fig. 7) on the basis of the tube emptying water-saving system of the foregoing description one, the automatic sense switch S231 of water level is arranged in the described tank S23, and the automatic sense switch S231 of this and water level is connected with described control device S27; The end of the described second control valve S25 is communicated with the delivery port of described tank S23 through water pump S24, another of this second control valve S25 is logical to be communicated with water return pipeline S26, the delivery port S222 of water return pipeline S26 is used for being communicated with the water inlet of the cold valves S2 of solar water heater, and described water pump S24 is connected with described control device S27, opening and closing by described control device S27 control water pump S24.In the reality, the second control valve S25 can adopt unidirectional flow-stop valve;
Above-mentioned tube emptying water-saving system be applied in the existing solar water heater situation as shown in Figure 8, substantially identical with the application example that provides among the embodiment one, different is that the automatic sense switch S231 of water level is set in the tank S23 of tube emptying water-saving system, and the automatic sense switch S231 of this water level is connected with control device S27, be provided with between the water inlet of the delivery port of tank S23 and the cold valves S2 of solar water heater by water pump S24, the backwater path that the second control valve S25 and water return pipeline S26 are in turn connected to form, and water pump S24 is connected with control device S27, to control the backwater state of backwater path automatically by control device S27, when control device S27 detection solar water heater cold valves S2 is opening state with the duty that goes out hot water control valve S3, show that solar water heater is in water state, then described water pump S24 is opened in control device S27 control, with the water that stores among the described tank S23 through water pump S24, second control valve S25 (unidirectional flow-stop valve) and water return pipeline S26 add to solar water heater from the water inlet of cold valves S2; Simultaneously in the backwater process, when the automatic sense switch S231 of the water level in the tank S23 detects that water level in the tank S23 reaches or when being lower than the water level of qualification, then send the low water level control signal to control device S27, control device S27 closes the water pump S24 of backwater according to the low water level control signal of receiving.When so just having avoided solar water heater water tank not have filling up water, and the storage water in the tank rises through water pump, the emptying of second control valve, at this moment, water pump is if work on, then air together can be added solar water heater water tank with the water of cold water source, make to enter air in the solar water heater, and cause the solar water heater water tank can't topped up with water.After adding the automatic sense switch of this water level, just can be according to the water level situation in the tank, control switches off the pump, and avoids adding in solar water heater water tank air, and what cause can't the topped up with water problem.
As shown in Figure 9, among the above-mentioned control device S27 the second control module S273 can also be set, the second control module S273 is connected with power supply S270 with described detecting unit S271 respectively, this second control module S273 is used for being connected with the automatic sense switch S231 of water level with described water pump S24 respectively, transmit detected solar water heater cold valves S2 and go out the signal that hot water control valve S3 is opening state according to described detecting unit S271, the described water pump S24 and the second control valve S25 are opened in control, add in the solar water heater through the second control valve S25 (unidirectional flow-stop valve) with the recycle-water that will store among the tank S23 and utilize; And receiving the low water level control signal that the automatic sense switch S231 of water level sends, described water pump is closed in control according to the low water level control signal.
The tube emptying water-saving system that provides in the present embodiment, when being applied in the solar water heater, the surplus water in the emptying upper and lower conduit road and storing automatically not only, can also be according to water state on the solar water heater, together join the recycle-water and the last water that are stored in the tank in the solar water heater, recovery, the storage of surplus water in the upper and lower conduit road have not only been realized, and realized utilizing again automatically of recycle-water, not only saved water resource, and the water saving operating process has improved the ease for use of solar water heater without manually-operated.
Can know, the second control valve S25 also can adopt the fluid stopping magnetic valve, this moment this tube emptying water-saving system be arranged in the solar water heater structural representation as shown in figure 10, fluid stopping magnetic valve as the second control valve S25 is connected with described control device, when opening described water pump S24 by the control of described control device, open this fluid stopping magnetic valve simultaneously, in this fluid stopping magnetic valve and return line adding solar water heater, utilize again with the recycle-water that will store among the tank S23.
And, when the second control valve S25 adopts the fluid stopping magnetic valve, and vent valve S210 adopts when breathing freely magnetic valve, when this tube emptying water-saving system is arranged in the solar water heater, further can form the solar water heater with tube emptying water-saving system of structure as shown in figure 11.
Embodiment three
Present embodiment provides a kind of solar energy water heater pipe emptying water-saving system, the tube emptying water-saving system that this system and the foregoing description one or embodiment two provide is basic identical, different is that this system is provided with the 3rd control valve S28 and the 4th control valve S29 (referring to Figure 12), the 3rd control valve S28 all is connected with control device S27 with the 4th control valve S29, during use, the upper and lower conduit road S1 that the 3rd control valve S28 is arranged on solar water heater goes up the cold valves that adds cold water as control, and the upper and lower conduit road S1 that the 4th control valve S29 also is arranged on solar water heater goes up the hot water control valve that goes out who discharges hot water as control.This tube emptying water-saving system be applied in the solar water heater example as shown in figure 13.
As shown in figure 14, also can the 3rd control module S274 and the 4th control module S275 be set correspondence in the control device of aforementioned tube evacuating pipeline water-saving system; Described the 3rd control module S274 is connected with power supply S270 with described the 3rd control valve S28 respectively, be used for controlling and open or close the 3rd control valve S28, described the 4th control module S275 is connected with power supply S270 with described the 4th control valve S29 respectively, is used for controlling and opens or close described the 4th control valve S29.In the reality, the 3rd control valve S28 and the 4th control valve S29 all can adopt magnetic valve.
In sum, the utility model embodiment tube emptying water-saving system is a kind of product that utilizes electronic control system to realize the road emptying of solar water heater upper and lower conduit and improve rate of thermal water utilization, it can intelligence effectively in time be emitted surplus water in the pipeline, when avoiding that winter, temperature was low, because of freezing, surplus water causes pipeline breaking in pipeline, thereby effectively improved the service life of solar water heater, can realize utilizing again automatically of recycle-water simultaneously.Can conveniently cooperate existing solar energy water-feeding controller to upgrade in the reality, after this tube emptying water-saving system is installed, on the solar water heater behind the water operation overall process of the surplus water of emptying finish automatically, need not personnel's Attended Operation, control device can directly be built in the interior clear position of former controller of solar water heater, need not to set up the installation site, using method only needs to be undertaken by the method for original solar energy water-feeding controller, is a kind of easy to use, energy-conservation and product that automaticity is high.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; do not cause any restriction because of the succession of each embodiment yet; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1, a kind of solar energy water heater pipe emptying water-saving system is characterized in that, comprising:
First control valve, tank, control device, discharge pipe line, vent valve and ventilative pipeline;
Described tank water inlet is communicated with discharge pipe line through described first control valve;
Described vent valve and ventilative pipeline connection, the ventilative pipeline other end is the air inlet on the upper and lower conduit road of connection solar water heater;
Described control device, be connected with described first control valve, whether the duty and the upper and lower conduit road that are used for detecting the cold valves of solar water heater and going out the hot water control valve have surplus water, when detecting cold valves and going out the hot water control valve and be when in closed condition and the upper and lower conduit road surplus water being arranged, then first control valve is opened in control, after described vent valve and ventilative pipeline make the upper and lower conduit Reuter gas of solar water heater, by discharge pipe line the surplus water in the described upper and lower conduit road is entered tank and store.
2, solar energy water heater pipe emptying water-saving system according to claim 1 is characterized in that described control device comprises:
Detecting unit, first control module and power supply;
Described power supply is electrically connected with the detecting unit and first control module respectively, is each parts power supply;
Described detecting unit, be connected with described first control module, the duty that is used to detect the solar water heater cold valves and goes out the hot water control valve, be closed condition if detect the cold valves of solar water heater and go out the hot water control valve, then the closed condition signal be sent to described first control module;
Described first control module is connected with described first control valve, and according to the described closed condition signal that described detecting unit transmits, if there is surplus water in the upper and lower conduit road of detection solar water heater, then described first control valve is opened in control.
3, solar energy water heater pipe emptying water-saving system according to claim 2 is characterized in that, first control module of described control device specifically comprises:
Survey water automatic switch, relay, gauge tap and anti-reverse diode;
Described relay is anodal to be electrically connected with described positive source, the relay negative pole is connected to the power cathode of described cold valves through anti-reverse diode, one control terminal of described relay is electrically connected with described power cathode, and be electrically connected with the positive terminal of anti-reverse diode through described gauge tap, another control terminal of described relay is electrically connected with described survey water automatic switch, and described survey water automatic switch is used to connect the negative pole end of described first control valve.
4, according to each described solar energy water heater pipe emptying water-saving system of claim 1-3, it is characterized in that described vent valve is the one-way ventilating valve.
5, according to each described solar energy water heater pipe emptying water-saving system of claim 1-3, it is characterized in that, described vent valve is ventilative magnetic valve, should be connected with described control device by ventilative magnetic valve, when opening first control valve, open this ventilative magnetic valve simultaneously by described control device control.
6, according to claim 2 or 3 described solar energy water heater pipe emptying water-saving systems, it is characterized in that described system also comprises:
The automatic sense switch of second control valve, water pump, water return pipeline and water level;
Described second control valve, one end is communicated with the delivery port of described tank through water pump, and another leads to and is communicated with water return pipeline;
The automatic sense switch of described water level is arranged in the described tank, is connected with described control device, and the water level that is used to detect described tank reaches or is lower than and sends the low water level control signal when limiting water level;
Described water pump, be connected with described control device, when being opening state with the duty that goes out the hot water control valve by described control device detection solar water heater cold valves, open described water pump, the water that stores in the described tank is added solar water heater through described second control valve and described water return pipeline; And, control and close described water pump by the low water level control signal that described control device sends according to the automatic sense switch of receiving of described water level.
7, solar energy water heater pipe emptying water-saving system according to claim 6 is characterized in that, described second control valve is unidirectional flow-stop valve.
8, solar energy water heater pipe emptying water-saving system according to claim 6 is characterized in that described control device also comprises:
Second control module, be connected with power supply with described detecting unit respectively, be used for being connected with the automatic sense switch of described water pump and water level respectively, transmit detected solar water heater cold valves and go out the signal that the hot water control valve is opening state according to described detecting unit, described water pump is opened in control; And according to the low water level control signal that receives, control switches off the pump.
9, solar energy water heater pipe emptying water-saving system according to claim 6, it is characterized in that, manifold solenoid valve till described second control valve, this fluid stopping magnetic valve is connected with described control device, when opening described water pump, open this fluid stopping magnetic valve simultaneously by described control device.
10, solar energy water heater pipe emptying water-saving system according to claim 6 is characterized in that described system also comprises: the 3rd control valve and the 4th control valve;
Described the 3rd control valve is connected with described control device, is arranged on the cold valves that adds cold water on the upper and lower conduit road of solar water heater as control;
Described the 4th control valve is connected with described control device, is arranged on the hot water control valve that goes out who discharges hot water on the upper and lower conduit road of solar water heater as control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106916XU CN201421213Y (en) | 2009-04-02 | 2009-04-02 | Pipeline evacuating and water saving system of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106916XU CN201421213Y (en) | 2009-04-02 | 2009-04-02 | Pipeline evacuating and water saving system of solar water heater |
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| CN201421213Y true CN201421213Y (en) | 2010-03-10 |
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| CN200920106916XU Expired - Fee Related CN201421213Y (en) | 2009-04-02 | 2009-04-02 | Pipeline evacuating and water saving system of solar water heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430533A (en) * | 2011-09-06 | 2012-05-02 | 三一重工股份有限公司 | Engineering machinery and water washing system thereof |
| CN103245003A (en) * | 2013-04-25 | 2013-08-14 | 苏州市伦琴工业设计有限公司 | Hot water saving system |
| CN109539607A (en) * | 2017-08-12 | 2019-03-29 | 刘爱萍 | Solar water heater antifreeze emptying water-saving system |
-
2009
- 2009-04-02 CN CN200920106916XU patent/CN201421213Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430533A (en) * | 2011-09-06 | 2012-05-02 | 三一重工股份有限公司 | Engineering machinery and water washing system thereof |
| CN102430533B (en) * | 2011-09-06 | 2014-05-28 | 三一重工股份有限公司 | Engineering machinery and water washing system thereof |
| CN103245003A (en) * | 2013-04-25 | 2013-08-14 | 苏州市伦琴工业设计有限公司 | Hot water saving system |
| CN109539607A (en) * | 2017-08-12 | 2019-03-29 | 刘爱萍 | Solar water heater antifreeze emptying water-saving system |
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