CN103335132A - Cold and hot water faucet and cold and hot water supply system - Google Patents

Abstract

The invention provides a cold and hot water faucet and a cold and hot water supply system. The cold and hot water faucet comprises a hot water pipeline, a cold water pipeline, a water outlet pipeline, a controller, a three-way valve, a temperature inductor and a connecting pipeline, wherein the water outlet pipeline is communicated with the water outlet of the hot water pipeline and the water outlet of the cold water pipeline; the three-way valve is arranged on the hot water pipeline; the temperature inductor is used for detecting the temperature of hot water entering the hot water pipeline; the connecting pipeline is communicated with the hot water pipeline and the cold water pipeline; the three-way valve is provided with a first port, a second port and a third port; the first port is communicated with the water inlet of the hot water pipeline; the second port is communicated with the connecting pipeline; the third port is communicated with the water outlet of the hot water pipeline; the connecting pipeline is provide with a delivery pump used for delivering water to the cold water pipeline; the controller is connected with the temperature inductor, the three-way valve and the delivery pump; and the controller is used for closing the third port, and opening the second port and starting the delivery pump when the temperature detected by the temperature inductor is lower than a set value, and opening the third port, and closing the second port and turning off the delivery pump when the temperature detected by the temperature inductor is not lower than the set value. According to the scheme, water waste can be reduced.

Description

Hot and cold water tap and hot and cold water water system

Technical field

The present invention relates to the water supply device technical field, relate in particular to a kind of hot and cold water tap with water-saving function, the invention still further relates to a kind of hot and cold water water system with above-mentioned hot and cold water tap.

Background technique

In the water supply field, water system has cold water water system and hot water supply system, and both can satisfy the resident respectively to the demand of cold water and hot water.Along with technical development, in order to realize resident's water more easily, the system that the hot and cold water supply often is integrated in an integral body is the hot and cold water water system, this system adopts hot and cold water tap usually, when using cold water, open cold valves, cold water enters outlet conduit and then discharges cold water from cold water pipes; When using hot water, open water valve, hot water enters outlet conduit and then discharges hot water from hot water pipeline.

When above-mentioned hot and cold water water system can be convenient for people to use, also brought corresponding problem.The hot water pipeline of the hot and cold water tap of hot and cold water water system is communicated with the thermal water source, but be in hot water pipeline and connected ducted hot water heat radiation comparatively fast, cause the hot water temperature to descend, finally cause this part hot water to meet consumers' demand, people are in the process of using hot water for this reason, often open the water valve hot water that this part temperature is lower earlier and drain, when the hot water of higher temperature just begins really to use hot water when outlet conduit flows out.

Obviously, above-mentionedly temperature can't be satisfied the mode that the hot water of user demand drains cause a large amount of water wastes, particularly in the area of freshwater resources scarcity, this mode more can't be accepted.

Summary of the invention

In view of this, a first aspect of the present invention provides a kind of hot and cold water tap, with solve the hot and cold water tap that proposes in the background technique when hot water uses with hot water pipeline in the temperature water that can't the satisfy the demands water that causes of draining waste problem.

In order to solve the problems of the technologies described above, the present invention has adopted following technological scheme:

Hot and cold water tap, comprise hot water pipeline, cold water pipes and the outlet conduit that is communicated with both water outlets, also comprise controller, be arranged at the three-way valve of described hot water pipeline and the connecting tube that detection enters the temperature transducer of hot water temperature in the described hot water pipeline and is communicated with described hot water pipeline and described cold water pipes, wherein:

Described three-way valve has first port, second port and the 3rd port, and described first port is communicated with the water intake of described hot water pipeline, and described second port is communicated with described connecting tube, and described the 3rd port is communicated with the water outlet of described hot water pipeline;

Described connecting tube is provided with for the transfer pump to described cold water pipes transporting water;

Described controller links to each other with described temperature transducer, described three-way valve and described transfer pump, and the temperature that described controller detects at temperature transducer is closed described the 3rd port during less than setting value, and opens second port and open described transfer pump; The temperature that detects at temperature transducer is opened described the 3rd port during more than or equal to described setting value, and closes described second port and transfer pump.

Preferably, above-mentioned hot and cold water tap also comprises the fitting seat that links to each other with described hot water pipeline, described cold water pipes and described outlet conduit.

Preferably, above-mentioned hot and cold water tap, described hot water pipeline, described cold water pipes and described outlet conduit are arranged side by side, and described hot water pipeline and described cold water pipes are symmetrically distributed in the both sides of described outlet conduit.

Preferably, above-mentioned hot and cold water tap, described outlet conduit is arranged on the described fitting seat rotationally, and adopts rotary seal to connect between the water exit end of described outlet conduit and the inlet segment.

Preferably, above-mentioned hot and cold water tap, described connecting tube is provided with to the one-way valve of described cold water pipes direction conducting between described conveying delivery side of pump and described cold water pipes and described connecting tube interface.

Preferably, above-mentioned hot and cold water tap, described temperature transducer, described three-way valve and described controller are the integration-in-one structure.

Preferably, above-mentioned hot and cold water tap, described controller are the PLC control circuit.

Preferably, above-mentioned hot and cold water tap, described temperature transducer are located at first port of described three-way valve.

Preferably, above-mentioned hot and cold water tap is controlled the water valve that described hot water pipeline is communicated with described outlet conduit and is controlled the cold valves that described cold water pipes is communicated with described outlet conduit and is equipped with cold and hot identification piece.

Compared to prior art, hot and cold water tap provided by the invention, increased temperature transducer, three-way valve, transfer pump and controller, and controller detects the temperature of the water of hot water pipeline by temperature transducer, the unlatching of the connected sum transfer pump of the connected passage of a certain port of control three-way valve, and then can guarantee when the hot water temperature in the hot water pipeline can't satisfy hot water temperature's standard (setting value), it to be discharged in the cold water pipes, when the hot water temperature in the hot water pipeline satisfies hot water temperature's standard (setting value), satisfy hot water that the hot water temperature requires in directly with hot water pipeline and discharge by outlet conduit and use for the user.The water that the hot and cold water tap that the embodiment of the invention provides can avoid when using hot water temperature in the hot water pipeline not reach setting value is dumped the water waste problem that causes, and can improve water use efficiency.

Based on the above-mentioned hot and cold water tap that provides, the present invention also provides a kind of hot and cold water water system, and it has above-mentioned any described hot and cold water tap.

Because the beneficial effect of hot and cold water water system provided by the invention is brought by hot and cold water tap provided by the invention, and is concrete, please refer to above-mentioned appropriate section description and get final product, this does not give unnecessary details.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention, below the accompanying drawing that uses in embodiment or the description of the Prior Art is done to introduce simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other embodiment's diagram according to these accompanying drawings.

Fig. 1 is a kind of structural representation of the hot and cold water tap that provides of the embodiment of the invention;

Fig. 2 is the another kind of structural representation of the hot and cold water tap that provides of the embodiment of the invention.

Among Fig. 1-2:

Hot water pipeline 1, cold water pipes 2, water valve 3, cold valves 4, outlet conduit 5, fitting seat 6, connecting tube 7; The water outlet 11 of hot water pipeline 1, thewater intake 12 of hot water pipeline 1,temperature transducer 13, three-way valve 14; Thewater outlet 21 of cold water pipes 2, thewater intake 22 of cold water pipes 2; Thewater exit end 51 of outlet conduit 5, theinlet segment 52 of outlet conduit 5;Transfer pump 71, one-way valve 72; The 3rd port one 43 of first port one 41 of three-way valve 14, second port one 42 of three-way valve 14, three-way valve 14.

Embodiment

For the purpose, technological scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.

Please refer to accompanying drawing 1, the hot and cold water tap that the embodiment of the invention provides, be used for the control to hot and cold water water supply, comprise hot water pipeline 1, cold water pipes 2, outlet conduit 5, controller (not shown), three-way valve 14,temperature transducer 13 and connecting tube 7, wherein;

Hot water pipeline 1 is connected with the thermal water source, the water outlet 11 of hot water pipeline 1 is connected with outlet conduit 5, and hot water pipeline 1 is provided with the water valve 3 of control hot water pipeline 1 and outlet conduit 5 hot water break-makes, and the user emits hot water by operation water valve 3 realization outlet conduits 5.

As a same reason, cold water pipes 2 is connected with cold water source, cold water enters the cold water pipes 2 fromwater intake 22, thewater outlet 21 of cold water pipes 2 is connected with outlet conduit 5, and cold water pipes 2 is provided with the cold valves 4 of control cold water pipes 2 and outlet conduit 5 cold water break-makes, and the user emits cold water by operation cold valves 4 realization outlet conduits 5.

Three-way valve 14 is arranged at hot water pipeline 1, and three-way valve 14 is generally solenoid electric valve, have three ports, be respectively first port one 41, second port one 42 and the 3rd port one 43, first port one 41 is communicated with thewater intake 12 of hot water pipeline 1, second port one 42 is communicated with connecting tube 7, and the 3rd port one 43 is communicated with the water outlet 11 of hot water pipeline 1.

Temperature transducer 13 is arranged at hot water pipeline 1, for detection of entering hot water temperature in the hot water pipeline 1, as long as can detect the position that flows into hot water pipeline 1temperature temperature transducer 13 can be set, forexample temperature transducer 13 can be arranged onwater intake 12 places of hot water pipeline 1.

Connecting tube 7 is communicated with hot water pipeline 1 and cold water pipes 2, the position that connecting tube 7 is communicated with hot water pipeline 1 and cold water pipes 7 lays respectively between both water intakes and water outlet, connecting tube 7 is provided withtransfer pump 71, and the power as liquid is carried is used for to cold water pipes 2 transporting water.

Controller andtemperature transducer 13, three-way valve 14 andtransfer pump 71 link to each other, the temperature that detects attemperature transducer 13 is closed the 3rd port one 43 during less than setting value, and open second port one 42 andopen transfer pump 71, setting value herein refers to the minimum value of hot water temperature range that supply requires, when be lower than this setting value then the hot water temperature can't satisfy the demands, particularly hot water pipeline 1 is near the so-called hot water of part of outlet conduit 5 temperature lower (even temperature is equal to cold water) almost, more can not use as hot water, this moment, controller was closed the 3rd port one 43 prevention hot water pipelines 1 to outlet conduit 5 water supply, temperature is passed through second port one 42 under the effect oftransfer pump 71 less than the water of setting value in the hot water pipeline 1, be transported in the cold water pipes 2, avoid this part water to be discharged from and the waste of the water that causes; The temperature that detects whentemperature transducer 13 is during more than or equal to setting value, and the 3rd port one 43 is opened in controller control, closes second port one 42 andtransfer pump 71, and the hot water of satisfied temperature requirement entered outlet conduit 5 and was discharged from this moment.

Control procedure by above-mentioned controller, as can be seen, the hot and cold water tap that the embodiment of the invention provides has increasedtemperature transducer 13, three-way valve 14,transfer pump 71 and controller, and controller detects the temperature of the water in the hot water pipeline bytemperature transducer 13, the unlatching of the connectedsum transfer pump 71 of the connected passage of a certain port of control three-way valve 14, and then can guarantee when the hot water temperature in the hot water pipeline 1 can't satisfy hot water temperature's standard, it to be discharged in the cold water pipes 2, when the hot water temperature in the hot water pipeline 1 satisfies hot water temperature's standard, directly the hot water that satisfies hot water temperature's requirement in the hot water pipeline 1 is discharged by outlet conduit 5 and use for the user.The water that the hot and cold water tap that the embodiment of the invention provides can avoid when using hot water temperature in the hot water pipeline 1 not reach setting value is dumped the water waste problem that causes, and can improve water use efficiency.

Concrete, above-mentioned controller can be PLC control circuit, various control apparatuss such as single-chip microcomputer, microcomputer.

In the installation process of reality, need be with in hot water pipeline 1, cold water pipes 2 and the outlet conduit 5, each is fixed on installs on the basis, installation efficiency is lower, hot and cold water tap in the present embodiment can also comprise fitting seat 6, and fitting seat 6 connects into an integral body with hot water pipeline 1, cold water pipes 2 and outlet conduit 5, and fitting seat 6 is as three's integral installation basis, in the process of installing, only need fitting seat 6 installations are got final product, can improve installation efficiency.Preferably, in order to save the space, above-mentioned hot water pipeline 1, cold water pipes 2 and outlet conduit 5 can be arranged side by side.Concrete, hot water pipeline 1 and cold water pipes 2 can be symmetrically distributed in the both sides of outlet conduit 5.For fear of the scald hidden danger that people's misoperation brings, the cold valves 4 that the water valve 3 that control hot water pipeline 1 and outlet conduit 5 are communicated with and control cold water pipes 2 and outlet conduit 5 are communicated with is equipped with cold and hot identification piece, for example the hot and cold water label.

Certainly, above-mentioned outlet conduit 5, cold water pipes 2 and hot water pipeline 1 are arranged on the consideration of fitting seat 6 basic installation efficiencys, consider practical application, be convenient for people to the receipts of hot and cold water are connect, above-mentioned outlet conduit 5 can be arranged on the fitting seat 6 rotationally, and adopts rotary seal to connect between thewater exit end 51 of outlet conduit 5 and the inlet segment 52.Inlet segment 52 herein refers to outlet conduit 5 near the part of hot water pipeline 1 or cold water pipes 2, andwater exit end 51 refers to the part near outlet conduit 5 water outlets.

As long as being arranged on,temperature transducer 13 can detect the position that enters into hot water pipeline 1 hot water temperature, thewater intake 12 of hot water pipeline 1 for example, if be arranged on thewater intake 12 of hot water pipeline 1, so after the temperature thattemperature transducer 13 detects is judged by controller, controller can carry out corresponding control operation, water between second port one 42 of thewater intake 12 of hot water pipeline 1 and three-way valve 14 still is lower than setting value in fact at this moment, obviously, this part still can not be used as hot water, sotemperature transducer 13 is arranged on the precision that thewater intake 12 of hot water pipeline 1 can influence control, for this reason, in the preferred scheme,temperature transducer 13 is located at first port one, 41 places of three-way valve 14.

We know, aftertransfer pump 71 quits work, have the cold-water reflux in the part cold water pipes 2, this belongs to unfavorable factor fortransfer pump 71, for head it off, the hot and cold water tap that the embodiment of the invention provides also further comprises one-way valve 72, and this one-way valve 72 is arranged on connecting tube 7 between the outlet and cold water pipes 2 and connecting tube 7 interfaces oftransfer pump 71, and one-way valve 72 is towards the direction conducting of cold water pipes 2.

Certainly, saidtemperature sensor 13, three-way valve 14 and controller are the integration-in-one structure, can conveniently install.

Based on the hot and cold water tap that foregoing invention embodiment provides, the embodiment of the invention also provides a kind of hot and cold water water system with any described hot and cold water tap in above-described embodiment.

Because the beneficial effect of hot and cold water water system provided by the invention is brought by hot and cold water tap provided by the invention, and is concrete, please refer to above-mentioned appropriate section description and get final product, this does not give unnecessary details.

Need to prove that each embodiment adopts the mode of going forward one by one to describe in this specification, what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.

To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. hot and cold water tap, comprise hot water pipeline (1), cold water pipes (2) and the outlet conduit (5) that is communicated with both water outlets, it is characterized in that, also comprise controller, be arranged at the three-way valve (14) of described hot water pipeline (1) and detection enters the temperature transducer (13) of hot water temperature in the described hot water pipeline (1) and is communicated with described hot water pipeline (1) and the connecting tube (7) of described cold water pipes (2), wherein:

Described three-way valve (14) has first port (141), second port (142) and the 3rd port (143), described first port (141) is communicated with the water intake (12) of described hot water pipeline (1), described second port (142) is communicated with described connecting tube (7), and described the 3rd port (143) is communicated with the water outlet (11) of described hot water pipeline (1);

Described connecting tube (7) is provided with for the transfer pump (71) to described cold water pipes (2) transporting water;

Described controller links to each other with described temperature transducer (13), described three-way valve (14) and described transfer pump (71), the temperature that described controller detects at temperature transducer (13) is closed described the 3rd port (143) during less than setting value, and opens second port (142) and unlatching described transfer pump (71); The temperature that detects at temperature transducer (13) is opened described the 3rd port (143) during more than or equal to described setting value, and closes described second port (142) and transfer pump (71).

2. hot and cold water tap according to claim 1 is characterized in that, also comprises the fitting seat (6) that links to each other with described hot water pipeline (1), described cold water pipes (2) and described outlet conduit (5).

3. cooling water tap according to claim 2, it is characterized in that, described hot water pipeline (1), described cold water pipes (2) and described outlet conduit (5) are arranged side by side, and described hot water pipeline (1) and described cold water pipes (2) are symmetrically distributed in the both sides of described outlet conduit (5).

4. hot and cold water tap according to claim 3, it is characterized in that, described outlet conduit (5) is arranged on the described fitting seat (6) rotationally, and adopts rotary seal to connect between the water exit end (51) of described outlet conduit (5) and the inlet segment (52).

5. according to any described hot and cold water tap among the claim 1-4, it is characterized in that described connecting tube (7) is positioned between the outlet of described transfer pump (71) and described cold water pipes (2) and described connecting tube (7) interface and is provided with to the one-way valve (72) of described cold water pipes (2) direction conducting.

6. according to any described hot and cold water tap among the claim 1-4, it is characterized in that described temperature transducer (13), described three-way valve (14) and described controller are the integration-in-one structure.

7. hot and cold water tap according to claim 6 is characterized in that, described controller is the PLC control circuit.

8. hot and cold water tap according to claim 6 is characterized in that, described temperature transducer (13) is located at first port (141) of described three-way valve (14) and locates.

9. hot and cold water tap according to claim 1, it is characterized in that, control the water valve (3) that described hot water pipeline (1) is communicated with described outlet conduit (5) and control the cold valves (4) that described cold water pipes (2) is communicated with described outlet conduit (5) and be equipped with cold and hot identification piece.

10. the hot and cold water water system is characterized in that, it has any described hot and cold water tap among the aforesaid right requirement 1-9.

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