CN205878583U - Keep homothermal equipment of far point hot water - Google Patents

Abstract

The utility model provides a keep homothermal equipment of far point hot water relates to hot -water heating heating technology field, and it includes constant temperature water tank, adjustable thermo valve and three -way pipe, the constant temperature water tank includes the temperature -sensing ware and is used for the electric heater unit for the hot -water heating in the box, water inlet and delivery port have been seted up on the constant temperature water tank, adjustable thermo valve is used for keeping the temperature toward the water of water end (W. E. ) output for the far point presetting the water temperature, the three -way pipe including the low temperature that is used for connecting adjustable thermo valve intake the end the first mouth of pipe, be used for connecting the second mouth of pipe of the water inlet of constant temperature water tank and be used for connecting the third mouth of pipe of the water heater of end of supplying water. The utility model discloses need wait for in the time of can avoiding the far point to use hot water and cause water waste to and temperature unstable problem once in a while in the hot water use.

Description

A kind of equipment keeping far point hot water constant temperature

Technical field

This utility model relates to hot-water heating technical field of heating, a kind of equipment keeping far point hot water constant temperature.

Background technology

Current water heater has Instant heating type and positive displacement two kinds, and the hot-water heating system of usual domestic all uses both water heaters As hot water feed end, but as hot water feed end, a series of shortcoming exists for far point water with both water heaters:

1, farther out with water spot (for simplify statement, the application by distance water heater farther out be referred to as far point with water spot) Need during with water to wait, cause water resource waste.The heat insulation effect of hot water pipeline is unsatisfactory, when using the most continuously with water spot The when of hot water, the hot water in hot water pipeline will be cooled to cool off, and people are accomplished by again waiting for water next time when, Just have hot water after cold water to be finished (or the cold water in waste end conduit) to use.Normal water is depressed, at PPR25 pipeline In environment, the water capacity in every mitron is 0.3 liter, and such as, the far point hot water of 20 meters of distances, if flow is 4L/ minute Washbasin tap, its time discharged water is 90 seconds, if flow is the gondola water faucet of 10L/ minute, its discharge time is 36 seconds, they The water of waste is 6L every time, and such wastage is huge.

2, fluctuating temperature, sometimes hot and sometimes cold.Hot water point the most all can use the water mixing valve of Non-follow control to use hot water, but hot water Flow but can produce flowed fluctuation with the use of water spot because of other, thus cause the flowed fluctuation of far point hot water, cause During far point water, the flow proportional of hot and cold water changes, and produces fluctuating temperature.

Although 3, existing circulation hot-water system can solve the wait of far point water and the problem of water resource waste, but Bring bigger waste.All of water sampling point and water heater are connected into one and follow by the operation principle of circulation hot-water system exactly Ring water system, it is ensured that the water always hot water in this pipeline water system so that each is i.e. opened with water spot i.e. has hot water to go out, thus reaches By water Energy and comfort, the purpose of not wasting resource.But, this circulating hot water water system but becomes a cooling system, if pipe Road has hot water, will the most outwardly function of environment heat emission, if the heat radiation temperature difference is 30 degree, then the heat radiation merit in every mitron road Rate is just close to 40W, if the hot water pipeline in a circulation hot-water system is 50 meters, then the heat radiation general power of this system is just Close to 2000W, 48 degree of electricity or the natural gas of 5 cubes can be consumed every day.

If 4 add a water heater at far point, such mode result in overlapping investment, and displacement type water heater body Long-pending big, affect attractive in appearance, additionally there is the situation that power consumption is serious in electric water heater.

Utility model content

The purpose of this utility model is to solve the problem that above-mentioned prior art exists, it is provided that a kind of holding far point hot water The equipment of constant temperature, it is to avoid far point needs to wait and cause water resource waste when using hot water, and water temperature during hot water use Problem unstable once in a while.

In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that a kind of holding far point hot water constant temperature Equipment, including thermostatic water tank, it includes temperature inductor and for the electric heater unit heated to the water in casing, described Offering water inlet and outlet on thermostatic water tank, described temperature inductor detects that the water in casing is heated to design temperature Time, described electric heater unit stops heating, when described temperature inductor detects the water temperature in casing less than design temperature, described Electric heater unit begins to warm up；

Adjustable thermostatic valve, for keep the temperature of water toward the output of far point water end (W.E.) at default coolant-temperature gage, described can Mode thermostatic valve is provided with high-temperature inlet water end, low temperature water inlet end and constant-temperature effluent end, and described high-temperature inlet water end is connected with outlet, Described high-temperature inlet water end, the uninterrupted of low temperature water inlet end are automatically adjusted according to the water temperature height flowing through low temperature water inlet end；

Tee T, including first mouth of pipe of the low temperature water inlet end for connected adjustable thermostatic valve, for connecting thermostatted water Second mouth of pipe of the water inlet of case and for connecting the 3rd mouth of pipe of the water heater for water end (W.E.).

Further, described outlet is connected with high-temperature inlet water end the first water pipe, the of described water inlet and tee T Two mouths of pipe connect the second water pipe, and the mouth of pipe of described first water pipe and the second water pipe the most up extends in thermostatic water tank, described The mouth of pipe of the first water pipe is higher than the mouth of pipe of the second water pipe.

Preferably, the mouth of pipe of described first water pipe is positioned at the top of thermostatic water tank；The mouth of pipe of described second water pipe is positioned at perseverance The bottom of reservoir.

Spray the most straight it is highly preferred that the mouth of pipe being positioned at the second water pipe of thermostatic water tank is provided with for limiting in-pipe flow The screening cap gushed.

Further, described water inlet pipe is provided with unidirectional drain valve, and described unidirectional drain valve connects overflow pipe.

Preferably, described thermostatic water tank includes by bearing shell, heat-insulation layer and the inner bag set gradually inside outward.

Further, described thermostatic water tank includes the temperature regulation switch for regulating design temperature.

Further, described thermostatic water tank connects leakage switch.

Provide below a kind of far point hot water constant temperature system using above-mentioned utility model content to realize: include thermostatic water tank Maintain system with the high-temperature water of adjustable thermostatic valve composition, and be located at the water heater for water end (W.E.), the outlet of described water heater It is connected with the 3rd mouth of pipe of tee T in high-temperature water maintenance system by water pipe.

The beneficial effects of the utility model are: when far point water end (W.E.) needs to use hot water, the water of water outlet of water heater end After water pipe enters adjustable thermostatic valve, adjustable thermostatic valve detects that water at low temperature will open high-temperature inlet water end, i.e. constant temperature High-temperature water in water tank enters adjustable thermostatic valve, mixes with water heater water at low temperature the most out, thus directly just obtains pre- If using to people with the thermostatted water under coolant-temperature gage, until water at low temperature being mixed complete, after water outlet of water heater end water temperature stability just High-temperature inlet water end can be closed, allow far point water end (W.E.) directly use the water that water outlet of water heater end comes, it is to avoid far point uses hot water Time need wait and cause the problem of water resource waste, further, since adjustable thermostatic valve can beat opening/closing according to water temperature size High-temperature inlet water end, so when the temperature of the water that water outlet of water heater end comes causes lowering the temperature suddenly due to instability, adjustable perseverance Temperature valve can be again turned on, and utilizes the hot water in thermostatic water tank mixed to reach default coolant-temperature gage, say, that whole to make The constant of water temperature can be kept by process, it is to avoid hot water use during the water temperature problem that produces fluctuation.

Accompanying drawing explanation

Fig. 1 is the overall system structure schematic diagram in this utility model embodiment；

Fig. 2 is the structural representation of the thermostatic water tank in this utility model embodiment；

Fig. 3 is that in this utility model embodiment, inflow temperature is default less than adjustable thermostatic valve to be shown with flow during coolant-temperature gage It is intended to；

Fig. 4 is that in this utility model embodiment, inflow temperature is less than and presets with during coolant-temperature gage close to adjustable thermostatic valve Flow schematic diagram；

Fig. 5 is that in this utility model embodiment, inflow temperature is preset with during coolant-temperature gage greater than or equal to adjustable thermostatic valve Flow schematic diagram.

Reference is:

1 thermostatic water tank 111 electric heater unit 112 water inlet

113 outlet 114 first water pipe 115 second water pipes

116 bearing shell 117 heat-insulation layer 118 inner bags

119 temperature regulation switch 2 adjustable thermostatic valves

211 high-temperature inlet water end 212 low temperature water inlet end 213 constant-temperature effluent ends

3 hide cap 4 unidirectional drain valve 5 overflow pipe

6 leakage switch.

Detailed description of the invention

For the ease of the understanding of those skilled in the art, this utility model is made further with accompanying drawing below in conjunction with embodiment Explanation, the content that embodiment is mentioned is not to restriction of the present utility model.

In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to describe this utility model and simplifying describe rather than instruction or the device of hint indication or element must have specifically Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.In description of the present utility model, " multiple " be meant that two or Two or more, unless otherwise expressly limited specifically.In description of the present utility model, it should be noted that unless otherwise rule Fixed and limit, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be mechanical connection or electrically connect, also Can be the connection of two element internals, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for this area Those of ordinary skill for, the concrete meaning of described term can be understood as the case may be.

As Figure 1-5, a kind of equipment keeping far point hot water constant temperature, including thermostatic water tank 1, described thermostatic water tank includes Temperature inductor and in casing water heat electric heater unit 111, described thermostatic water tank 1 offers water inlet 112 and outlet 113, described temperature inductor detects when the water in casing is heated to design temperature, and described electrical heating fills Put 111 stopping heating, when described temperature inductor detects the water temperature in casing less than design temperature, described electric heater unit 111 begin to warm up；Adjustable thermostatic valve 2, for keeping the temperature of the water toward the output of far point water end (W.E.) in default coolant-temperature gage, institute State adjustable thermostatic valve 2 and be provided with high-temperature inlet water end 211, low temperature water inlet end 212 and constant-temperature effluent end 213, described high-temperature inlet water End 211 is connected with outlet 113, and described high-temperature inlet water end 211, the uninterrupted of low temperature water inlet end 212 enter according to flowing through low temperature The water temperature height of water end (W.E.) 212 is automatically adjusted；Tee T, including of the low temperature water inlet end 212 for connected adjustable thermostatic valve 2 One mouth of pipe, for connect thermostatic water tank 1 water inlet 112 second mouth of pipe and for connect for water end (W.E.) water heater the 3rd The mouth of pipe.

Need to illustrate in advance, the structure work of adjustable thermostatic valve 2 is not specifically limited by above-described embodiment, this area Artisans will appreciate that, adjustable thermostatic valve 2 can be mechanical structure or be electronic type structure, as long as it can be according in advance If regulating the mixed proportion of hot water or cold water to reach the purpose of water termostat with coolant-temperature gage, it can also be according to entering simultaneously The water temperature of water end (W.E.) controls valve, due to improvement of the present utility model the structure that do not lies in adjustable thermostatic valve 2, therefore this In just repeat no more.

The equipment keeping far point hot water constant temperature that above-mentioned embodiment provides, by increasing thermostatic water tank at far point water end (W.E.) 1, utilize the temperature inductor in thermostatic water tank 1 and electric heater unit 111 to maintain a certain amount of high temperature in making thermostatic water tank 1 Water, when far point water end (W.E.) needs to use hot water, water heater water at low temperature the most out enters from first mouth of pipe of tee T can The low temperature water inlet end 212 of mode thermostatic valve 2, the water at low temperature entering adjustable thermostatic valve 2 can be adjustable with entrance in thermostatic water tank 1 The high-temperature water mixing of formula thermostatic valve 2, thus directly obtain the thermostatted water under default coolant-temperature gage, then put through constant-temperature effluent end 213 Go out and use to people, it is to avoid far point needs to wait and cause the problem of water resource waste when using hot water, and when thermostatic water tank 1 The when that interior high-temperature water entering adjustable thermostatic valve 2, water at low temperature the most also can enter constant temperature by second mouth of pipe of tee T Water tank 1 is to fill up its water yield run off, and in the most also ensuring that thermostatic water tank 1, the moment possesses the water yield of abundance in case making next time With, if it addition, other is with water spot water during the use of hot water, hot water being caused to produce flowed fluctuation, and then makes far point Produce fluctuating temperature with water end (W.E.), and now adjustable thermostatic valve 2 detects that the water temperature of low temperature water inlet end 212 can be beaten after reducing again Open high-temperature inlet water end 211, utilize the high-temperature water in thermostatic water tank 1 to mix to reach the constant temperature of default coolant-temperature gage with water at low temperature Water, say, that whole use process can keep the constant of water temperature, it is to avoid during hot water uses, water temperature produces fluctuation Problem.

Needing further exist for explanation, in the present embodiment, the volume size of thermostatic water tank 1 and water heater are to far point water The distance of end and the specification of water pipe are relevant ratio, time the most in the winter time, and water in the water pipe that water heater is connected with thermostatic water tank 1 Temperature at about 5 DEG C, here the water temperature of thermostatic water tank 1 can be set in 70 DEG C, if length of pipe is 20 meters, water pipe advise Lattice are Φ 25*3.5, then by calculating the cubical content of water at low temperature in water pipe, thus can set thermostatic water tank 1 cubical content Specification is 6L, then can possess enough high-temperature water in thermostatic water tank 1, it is sufficient to the water at low temperature in water pipe mixed, until heat The water temperature of hydrophone water outlet is constant, during whole, as in Figure 3-5, owing to the water of water outlet of water heater end also can enter constant temperature Water tank 1, the temperature also allowing for from thermostatic water tank 1 high-temperature water out is gradually reduced, but depositing due to adjustable thermostatic valve 2 , the temperature that its high-temperature inlet water end 211 is intake with low temperature water inlet end 212 remains able to mix to default coolant-temperature gage, works as low temperature The temperature of water inlet end 212 water inlet gradually rises to preset when using coolant-temperature gage, and adjustable thermostatic valve 2 will close high-temperature inlet water end 211, make far point water end (W.E.) directly use the hot water that water outlet of water heater end comes, the hot water i.e. come for the water heater supply of water end (W.E.) Directly flowing out from constant-temperature effluent end 213 through low temperature water inlet end 212, now the moisture storage capacity in thermostatic water tank 1 is still that full again, three Water at siphunculus also cannot enter back in thermostatic water tank 1, after now the temperature inductor in thermostatic water tank 1 senses that water temperature is relatively low Electric heater unit 111 will be opened, until the water in thermostatic water tank 1 is heated to 70 DEG C, it is clear that thermostatic water tank 1 during whole Water yield and inflow be all to maintain consistent, in this also ensures that thermostatic water tank 1, the moment possesses enough high-temperature water.

As preferably, as in figure 2 it is shown, outlet 113 is connected with high-temperature inlet water end 211 the first water pipe 114, water inlet 112 are connected with second mouth of pipe of tee T and to have the second water pipe 115, and the first water pipe 114 the most up prolongs with the mouth of pipe of the second water pipe 115 Extending in thermostatic water tank 1, and the mouth of pipe of the first water pipe 114 is higher than the mouth of pipe of the second water pipe 115, those skilled in the art should Knowing, when water temperature is higher than 4 DEG C, the water density that temperature is higher is the least, owing to the temperature of the second water pipe 115 water inlet is relative to thermostatted water In case 1, the temperature of water is relatively low, so when the second water pipe 115 is intake, the high-temperature water in thermostatic water tank 1 is relatively small due to density Will upwards walk, the most here first water pipe 114 mouth of pipe is arranged relative second water pipe 115 mouth of pipe is higher, it is possible to as far as possible The high-temperature water in thermostatic water tank 1 is allowed first to discharge from the first water pipe 114.

As it is highly preferred that the mouth of pipe of described first water pipe 114 can be arranged at the top of thermostatic water tank 1, by second The mouth of pipe of water pipe 115 is arranged at the bottom of thermostatic water tank 1 so that high-temperature water is easier to first discharge from the first water pipe 114.

As more preferably, it is also possible to the mouth of pipe of the second water pipe 115 in thermostatic water tank 1 in place is provided for limiting pipe The screening cap 3 gushed straight on interior current direction, by being arranged on thermostatted water by the nozzle position of the second water pipe 115 in such scheme Bottom case 1, screening cap 3 is set at its mouth of pipe so that water at low temperature, when entering thermostatic water tank 1, will not the most upwards be gushed simultaneously, and It is to scatter the bottom of thermostatic water tank 1 paving, the high-temperature water in script high-temperature water tank 1 is the most up pushed, is further ensured that High-temperature water in thermostatic water tank 1 can first be discharged from the first water pipe 114.

Further, in the present embodiment, unidirectional drain valve 4 can be installed at the second water pipe 115, and at unidirectional drain valve Connect overflow pipe 5 at 4, cause constant temperature in order to avoid the water in thermostatic water tank 1 there may be water temperature over-high in heating process The problem that the volume of water tank 1 expands, is its pressure release when needed by installing unidirectional drain valve 4, can play protection and set Standby effect, moreover, unidirectional drain valve 4 happens suddenly during can also making hot water use when cutting off the water situation, in thermostatic water tank 1 Water be unlikely to flow backwards and enter in water pipe, thus avoid thermostatic water tank 1 endogenous cause of ill not have water to cause electric heater unit 111 dry combustion method thing Therefore, it is to avoid the damage of equipment.

As preferably, thermostatic water tank 1 also include by the bearing shell 116 set gradually inside outward, heat-insulation layer 117 and Inner bag 118, the most in the present embodiment, middle heat-insulation layer 117 uses polyurethane foaming material to make, its high insulating effect, The heat dispersal situations of high-temperature water in thermostatic water tank 1 can be reduced, the most just reduce the energy consumption maintained needed for high-temperature water constant temperature, separately Outward, by above-mentioned scheme it is known that the small volume of thermostatic water tank 1, then the water yield of required holding constant temperature is the most relatively Few, therefore maintaining the temperature of high-temperature water in this thermostatic water tank 1 is very easy and unusual energy efficient.

As it is highly preferred that temperature regulation switch 119 can be arranged in the outside of thermostatic water tank 1, it is used for setting thermostatted water The temperature of case 1 internal high temperature water, in order in the season without applied at elevated temperature water that some are relatively warm, reduce thermostatic water tank 1 internal The design temperature of high-temperature water, energy efficient.

As more preferably, it is also possible to connect leakage switch 6 to thermostatic water tank 1, in case the generation of leak-stopping electrification, enter one The safety of step raising equipment.

It addition, the present embodiment also provides for using the content in above-described embodiment to realize a kind of far point hot water constant temperature system: High-temperature water including thermostatic water tank 1 with adjustable thermostatic valve 2 composition maintains system, and is located at the water heater for water end (W.E.), described The outlet of water heater is connected with the 3rd mouth of pipe of tee T in high-temperature water maintenance system by water pipe, then far point water end (W.E.) water Can be obtained by mixing with the high-temperature water in high-temperature water maintenance system by water outlet of water heater, it is clear that high-temperature water maintains system without external cold Water water inlet pipe, its source outlet from water heater of uniquely intaking.

Above-described embodiment is this utility model preferably implementation, and in addition, this utility model can be with other side Formula realizes, and on the premise of conceiving without departing from the technical program, any obvious replacement is all at protection model of the present utility model Within enclosing.

In order to allow those of ordinary skill in the art understand more easily this utility model relative to prior art improvement it Place, accompanying drawings more of the present utility model and description have been simplified, and for the sake of clarity, present specification is omitted one Other elements a little, it is of the present utility model interior that those of ordinary skill in the art it is to be appreciated that these elements omitted also may make up Hold.

Claims (9)

1. keep an equipment for far point hot water constant temperature, including:

Thermostatic water tank (1), including temperature inductor and for the electric heater unit (111) heated to the water in casing, described Water inlet (112) and outlet (113) is offered on thermostatic water tank (1)；

Adjustable thermostatic valve (2), for keep the temperature of water toward the output of far point water end (W.E.) at default coolant-temperature gage, described adjustable Formula thermostatic valve (2) is provided with high-temperature inlet water end (211), low temperature water inlet end (212) and constant-temperature effluent end (213), and described high temperature enters Water end (W.E.) (211) is connected with outlet (113), described high-temperature inlet water end (211), low temperature water inlet end (212) uninterrupted according to The water temperature height flowing through low temperature water inlet end (212) is automatically adjusted；

Tee T, including the low temperature water inlet end (212) for connected adjustable thermostatic valve (2) first mouth of pipe, be used for connecting perseverance Second mouth of pipe of the water inlet (112) of reservoir (1) and for connecting the 3rd mouth of pipe of the water heater for water end (W.E.).

The equipment of holding far point hot water constant temperature the most according to claim 1, it is characterised in that: described outlet (113) with High-temperature inlet water end (211) connects the first water pipe (114), and described water inlet (112) is connected with second mouth of pipe of tee T the Two water pipes (115), described first water pipe (114) the most up extends in thermostatic water tank (1) with the mouth of pipe of the second water pipe (115), The mouth of pipe of described first water pipe (114) is higher than the mouth of pipe of the second water pipe (115).

The equipment of holding far point hot water constant temperature the most according to claim 2, it is characterised in that: described first water pipe (114) The mouth of pipe be positioned at the top of thermostatic water tank (1)；The mouth of pipe of described second water pipe (115) is positioned at the bottom of thermostatic water tank (1).

4. according to the equipment keeping far point hot water constant temperature described in Claims 2 or 3, it is characterised in that: it is positioned at thermostatic water tank (1) The mouth of pipe of interior the second water pipe (115) is provided with for limiting the screening cap (3) that in-pipe flow is gushed the most straight.

The equipment of holding far point hot water constant temperature the most according to claim 4, it is characterised in that: described second water pipe (115) Being provided with unidirectional drain valve (4), described unidirectional drain valve (4) connects overflow pipe (5).

Keep the equipment of far point hot water constant temperature the most according to claim 1 or 5, it is characterised in that: described thermostatic water tank (1) Including by bearing shell (116), heat-insulation layer (117) and the inner bag (118) set gradually inside outward.

The equipment of holding far point hot water constant temperature the most according to claim 6, it is characterised in that: described thermostatic water tank (1) wraps Include the temperature regulation switch (119) for regulating design temperature.

The equipment of holding far point hot water constant temperature the most according to claim 7, it is characterised in that: described thermostatic water tank (1) is even It is connected to leakage switch (6).

9. a far point hot water constant temperature system, it is characterised in that: use the holding far point described in any one in claim 1-8 The equipment of hot water constant temperature, the high-temperature water formed including thermostatic water tank (1) and adjustable thermostatic valve (2) maintains system, and is located at For the water heater of water end (W.E.), the outlet of described water heater is by water pipe with the 3rd mouth of pipe of tee T in high-temperature water maintenance system even Connect.