CN203375723U - Water pipe anti-freezing structure and directly-heated type heat pump water heater unit with same - Google Patents
Water pipe anti-freezing structure and directly-heated type heat pump water heater unit with same Download PDFInfo
- Publication number
- CN203375723U CN203375723U CN201320347642.XU CN201320347642U CN203375723U CN 203375723 U CN203375723 U CN 203375723U CN 201320347642 U CN201320347642 U CN 201320347642U CN 203375723 U CN203375723 U CN 203375723U
- Authority
- CN
- China
- Prior art keywords
- water pipe
- aqueduct
- water
- communicated
- cold water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model provides a water pipe anti-freezing structure and a directly-heated type heat pump water heater unit with the same. The water pipe anti-freezing structure comprises a water heater, a hot water pipe, a circulating water pipe, a cold water pipe and at least one water conduit, the hot water pipe and the circulating water pipe are respectively and independently communicated with the water heater, the cold water pipe is communicated with the water heater, the circulating water pipe is communicated with two ports of the water conduit, and/or the hot water pipe is communicated with the two ports of the water conduit, outer walls of the water conduit are connected with outer walls of the cold water pipe in a heat conduction mode, and the water pipe anti-freezing structure is applied to the directly-heated type heat pump water heater unit. According to the water pipe anti-freezing structure, the circulating water pipe or the hot water pipe is used for heating water in the cold water pipe under the condition that electric auxiliary heat is not increased, so that the cold water pipe can be prevented from being frozen; the water pipe anti-freezing structure is applied to the heat pump water heater unit, the water pipe anti-freezing structure is safe and effective, wastes of water resources and energy can be avoided, and energy saving and environmental protection can be further achieved.
Description
Technical field
The utility model belongs to the Hot water units technical field, more particularly, relates to the direct-heating heat pump water heater group of a kind of water pipe anti-freezing structure and application thereof.
Background technology
Environment temperature is lower than in the situation of 0 ℃ in the winter time for a heated type hot water machine, if do not use for a long time heating function one time, the water be stored in the unit cold water pipes will freeze, thereby can make pipeline be caused damage because of freezing and expansion.For preventing that the water in cold water pipes from freezing, must take the anti-freeze measure to pipeline.
In prior art, usually take following several treatment measures: the first measure is for to be incubated processing to pipeline, but insulation only can delay freezing process, because there is no the thermal source additional heat, the time has been grown afterwards or can freeze; The second measure a kind of freezing prevention tubing formula heat-pump hot-water unit as disclosed as Chinese patent CN201220526587.6, increase electric heater on pipeline, although electric heater can effectively prevent from freezing, need to continue power consumption, and there is security risk aging and electric leakage in electric heater; The third measure is the water in emptying pipe when hot water machine does not use for a long time, but this need to increase special emptier, also needs water filling while reusing simultaneously, and the water of draining also can cause the wasting of resources.
The utility model content
The purpose of this utility model is to provide a kind of water pipe anti-freezing structure, is intended to safely and effectively cold water pipes be carried out to the anti-freeze processing, reaches the non-icing effect of protection cold water pipes.
For achieving the above object, the technical solution adopted in the utility model is: a kind of water pipe anti-freezing structure is provided, comprise water heater, the hot-water line be communicated with separately with described water heater respectively and circulating water pipe and the cold water pipe be communicated with described water heater, also comprise at least one aqueduct, described circulating water pipe is communicated with two ports of described aqueduct with two ports and/or the described hot-water line of described aqueduct, and the outer wall of described aqueduct is connected with the outer wall heat conduction of described cold water pipe.
Particularly, described aqueduct is one, and two ports of this aqueduct all are communicated with described circulating water pipe, described cold water pipe converges with described water heater and is connected with described circulating water pipe, and the distance that described cold water pipe and described circulating water pipe converge junction and described water heater is less than described aqueduct near an end of described water heater and the distance between described water heater.
Perhaps, particularly, described aqueduct is one, and two ports of this aqueduct all are communicated with described circulating water pipe, and described cold water pipe is connected with described water heater separately respectively with described circulating water pipe.
Perhaps, particularly, described aqueduct is one, and two ports of this aqueduct all are communicated with described hot-water line, and described cold water pipe converges with described water heater and is connected with described circulating water pipe.
Perhaps, particularly, described aqueduct is one, and two ports of this aqueduct all are communicated with described hot-water line, and described cold water pipe is connected with described water heater separately respectively with described circulating water pipe.
Perhaps, particularly, described aqueduct is two, two ports of one of them described aqueduct all are communicated with described hot-water line, two ports of another described aqueduct all are communicated with described circulating water pipe, described cold water pipe converges with described water heater and is connected with described circulating water pipe, and described cold water pipe and described circulating water pipe converge junction and the distance of described water heater and be less than an end of the close described water heater of aqueduct that two ends are communicated with described circulating water pipe and the distance between described water heater.
Perhaps, particularly, described aqueduct is two, and two ports of one of them described aqueduct all are communicated with described hot-water line, two ports of another described aqueduct all are communicated with described circulating water pipe, and described cold water pipe is connected with described water heater separately respectively with described circulating water pipe.
Particularly, the outer wall of described aqueduct and the outer wall of described cold water pipe directly fit together, or, between the outer wall of described aqueduct and the outer wall of described cold water pipe, by heat-conducting filler, be connected.
Particularly, described heat-conducting filler is a kind of in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic.
Particularly, the port of described aqueduct is bend pipe mouth or chamfering mouth.
The beneficial effect of the water pipe anti-freezing structure that the utility model provides is: when system is carried out cool water heating, the water flow in cold water pipe enters after water heater is heated and flows out by hot-water line, and now the water in circulating water pipe does not flow.When system is carried out circulating-heating, the water flow in circulating water pipe flows out by hot-water line after entering the water heater heating, and now the water in cold water pipe does not flow.Coolant-temperature gage in circulating water pipe (or hot-water line) during due to circulation (or cold water) heating is higher than the coolant-temperature gage in cold water pipe, cold water in cold water pipe more easily freezes, but when the water circulation in circulating water pipe (or hot-water line) flows, drainage by aqueduct, having part circulating hot water (or the hot water in hot-water line) enters in aqueduct mobile, and transfer heat to the cold water in cold water pipe, avoid the water-cooled of cold water pipe too much to freeze, thereby realize the anti-freeze function of cold water pipe.Because the water in aqueduct does not mix mutually with the water in cold water pipe, for the situation that a plurality of valves are arranged on cold water pipe, adaptability is more arranged, therefore, the channeling water phenomenon can not occur between cold water pipe and circulating water pipe (or hot-water line).The utility model preventing water pipe water-bound is not in the situation that increase electric auxiliary heat, utilize the water in circulating water pipe (or hot-water line) heating cold water pipe, thereby prevent that it from freezing, not only safe and effective, and can avoid causing the waste of water resource and the energy, energy-conserving and environment-protective more.
Another purpose of the present utility model is to provide a kind of direct-heating heat pump water heater group, and it comprises above-mentioned water pipe anti-freezing structure.
The beneficial effect of the direct-heating heat pump water heater group that the utility model provides is: owing to having adopted above-mentioned water pipe anti-freezing structure, the cold water pipe of the utility model direct-heating heat pump water heater group can not freeze, and whole unit is more safe and reliable, energy-conserving and environment-protective.
The accompanying drawing explanation
The structural representation of the water pipe anti-freezing structure that Fig. 1 provides for the utility model embodiment mono-;
The structural representation of the water pipe anti-freezing structure that Fig. 2 provides for the utility model embodiment bis-;
The structural representation of the water pipe anti-freezing structure that Fig. 3 provides for the utility model embodiment tri-;
The structural representation of the water pipe anti-freezing structure that Fig. 4 provides for the utility model embodiment tetra-;
The structural representation of the water pipe anti-freezing structure that Fig. 5 provides for the utility model embodiment five;
The structural representation of the water pipe anti-freezing structure that Fig. 6 provides for the utility model embodiment six;
The structural representation of the water pipe anti-freezing structure that Fig. 7 provides for the utility model embodiment seven;
The structural representation of the water pipe anti-freezing structure that Fig. 8 provides for the utility model embodiment eight;
The structural representation of the water pipe anti-freezing structure that Fig. 9 provides for the utility model embodiment nine;
The structural representation of the water pipe anti-freezing structure that Figure 10 provides for the utility model embodiment ten;
The structural representation of the water pipe anti-freezing structure that Figure 11 provides for the utility model embodiment 11;
The structural representation of the water pipe anti-freezing structure that Figure 12 provides for the utility model embodiment 12;
The structural representation of the water pipe anti-freezing structure that Figure 13 provides for the utility model embodiment 13;
The structural representation of the water pipe anti-freezing structure that Figure 14 provides for the utility model embodiment 14;
The structural representation of the water pipe anti-freezing structure that Figure 15 provides for the utility model embodiment 15;
The structural representation of the water pipe anti-freezing structure that Figure 16 provides for the utility model embodiment 16;
The partial enlarged drawing that Figure 17 is the another kind of embodiment in A place in Figure 16;
The partial enlarged drawing that Figure 18 is the another kind of embodiment in B place in Figure 16.
In figure: 1 is water heater, and 2 is hot-water line, and 3 is circulating water pipe, and 4 is cold water pipe, and 5 is aqueduct, and 6 is heat-conducting filler.
The specific embodiment
The utility model provides a kind of water pipe anti-freezing structure, comprise water heater, the hot-water line be communicated with separately with described water heater respectively and circulating water pipe and the cold water pipe be communicated with described water heater, also comprise at least one aqueduct, described circulating water pipe is communicated with two ports of described aqueduct with two ports and/or the described hot-water line of described aqueduct, and the outer wall of described aqueduct is connected with the outer wall heat conduction of described cold water pipe.
The utility model preventing water pipe water-bound is not in the situation that increase electric auxiliary heat, utilize the water in circulating water pipe (or hot-water line) heating cold water pipe, thereby prevent that it from freezing, not only safe and effective, and can avoid causing the waste of water resource and the energy, energy-conserving and environment-protective more.
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment mono-
Refer to Fig. 1, the water pipe anti-freezing structure that the present embodiment provides comprises water heater 1, hot-water line 2, circulating water pipe 3 and cold water pipe 4, hot-water line 2 and circulating water pipe 3 are communicated with separately with water heater 1 respectively, and cold water pipe 4 and circulating water pipe 3 converge after connecting into a pipeline and be communicated with water heater 1, this kind of water pipe anti-freezing structure also comprises an aqueduct 5, and two ports (being entrance and exit) of this aqueduct 5 all are communicated with circulating water pipe 3 so that the water in circulating water pipe 3 can successfully flow in aqueduct 5, and the distance L 1 that cold water pipe 4 and circulating water pipe 3 converge junction and water heater 1 is less than aqueduct 5 near an end of water heater 1 and the distance L 2 between water heater 1, and the outer wall of aqueduct 5 is connected with the outer wall heat conduction of cold water pipe 4, in the present embodiment, the outer wall of the outer wall of aqueduct 5 and cold water pipe 4 directly fits together so that heat can transmit between aqueduct 5 and cold water pipe 4.The water pipe anti-freezing structure that the present embodiment provides in the situation that do not increase electric auxiliary heat, is utilized the water in circulating water pipe 3 heating cold water pipes 4, thereby is prevented that it from freezing, not only safe and effective, and can avoid causing the waste of water resource and the energy, energy-conserving and environment-protective more.When system is carried out cool water heating, the water flow in cold water pipe 4 enters water heater 1 and heats rear hot-water line 2 outflows of passing through, and now the water in circulating water pipe 3 does not flow.When system is carried out circulating-heating, the water flow in circulating water pipe 3 flows out by hot-water line 2 after entering water heater 1 heating, and now the water in cold water pipe 4 does not flow.Coolant-temperature gage in circulating water pipe 3 during due to circulating-heating is higher than the coolant-temperature gage in cold water pipe 4, cold water in cold water pipe 4 more easily freezes, but when the water circulation in circulating water pipe 3 flows, drainage by aqueduct 5, have the part circulating hot water and enter that aqueduct 5 is interior to flow, and transfer heat to the cold water in cold water pipe 4, avoid the water-cooled of cold water pipe 4 too much to freeze, thereby realize the anti-freeze function of cold water pipe 4.Because the water in aqueduct 5 does not mix mutually with the water in cold water pipe 4, for the situation that a plurality of valves are arranged on cold water pipe 4, adaptability is more arranged, therefore, the channeling water phenomenon can not occur between cold water pipe 4 and circulating water pipe 3, safe and reliable.
Embodiment bis-
Refer to Fig. 1 and Fig. 2, the present embodiment is with the difference between embodiment mono-: cold water pipe 4 is connected with water heater 1 separately respectively with circulating water pipe 3, rather than, as in embodiment mono-, both converge after connecting into a pipeline and are communicated with water heater 1, remaining structure is identical with in embodiment mono-all.
Embodiment tri-
Refer to Fig. 1 and Fig. 3, the present embodiment is with the difference between embodiment mono-: between the outer wall of the outer wall of aqueduct 5 and cold water pipe 4, by heat-conducting filler 6, be connected, rather than directly fit and realize the heat conduction as the outer wall of the outer wall of aqueduct 5 in embodiment mono-and cold water pipe 4, remaining structure is identical with in embodiment mono-all.And these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic a kind of, these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment tetra-
Refer to Fig. 2 and Fig. 4, the present embodiment is with the difference between embodiment bis-: between the outer wall of the outer wall of aqueduct 5 and cold water pipe 4, by heat-conducting filler 6, be connected, rather than directly fit and realize the heat conduction as the outer wall of the outer wall of aqueduct 5 in embodiment bis-and cold water pipe 4, remaining structure is identical with in embodiment bis-all.And these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic a kind of, these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment five
Refer to Fig. 1 and Fig. 5, the present embodiment is with the difference between embodiment mono-: two ports (being entrance and exit) of this aqueduct 5 all are communicated with hot-water line 2, utilize aqueduct 5 that the heat in hot-water line 2 is conducted to cold water pipe 4 and plays antifreeze purpose, rather than in picture embodiment mono-, two ports (being entrance and exit) of aqueduct 5 all are communicated with circulating water pipe 3, remaining structure is identical with in embodiment mono-all.When system is carried out cool water heating, the water flow in cold water pipe 4 enters water heater 1 and heats rear hot-water line 2 outflows of passing through, and now the water in circulating water pipe 3 does not flow.Coolant-temperature gage in hot-water line 2 during due to cool water heating is higher than the coolant-temperature gage in cold water pipe 4, cold water in cold water pipe 4 more easily freezes, but when the water circulation in hot-water line 2 flows, drainage by aqueduct 5, have part hot water in hot-water line 2 and enter that aqueduct 5 is interior to flow, and transfer heat to the cold water in cold water pipe 4, avoid the water-cooled of cold water pipe 4 too much to freeze, thereby realize the anti-freeze function of cold water pipe 4.
Embodiment six
Refer to Fig. 5 and Fig. 6, the present embodiment is with the difference between embodiment five: cold water pipe 4 is connected with water heater 1 separately respectively with circulating water pipe 3, rather than, as in embodiment five, both converge after connecting into a pipeline and are communicated with water heater 1, remaining structure is identical with in embodiment five all.
Embodiment seven
Refer to Fig. 5 and Fig. 7, the present embodiment is with the difference between embodiment five: between the outer wall of the outer wall of aqueduct 5 and cold water pipe 4, by heat-conducting filler 6, be connected, rather than directly fit and realize the heat conduction as the outer wall of the outer wall of aqueduct 5 in embodiment five and cold water pipe 4, remaining structure is identical with in embodiment five all.In the present embodiment, what these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic is a kind of, and these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment eight
Refer to Fig. 6 and Fig. 8, the present embodiment is with the difference between embodiment six: between the outer wall of the outer wall of aqueduct 5 and cold water pipe 4, by heat-conducting filler 6, be connected, rather than directly fit and realize the heat conduction as the outer wall of the outer wall of aqueduct 5 in embodiment five and cold water pipe 4, remaining structure is identical with in embodiment five all.In the present embodiment, what these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic is a kind of, and these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment nine
Refer to Fig. 1, Fig. 5 and Fig. 9, difference between the present embodiment and embodiment mono-and embodiment five is: it is two that aqueduct 5 is provided with, two ports of one of them aqueduct 5 all are communicated with hot-water line 2, and two ports of another aqueduct all are communicated with circulating water pipe 3; All the other structures are all identical with embodiment mono-or embodiment five.In the present embodiment, all arrange with cold water pipe 4 and carry out heat conducting aqueduct 5 on hot-water line 2 and circulating water pipe 3, make system no matter in cool water heating or hydronic situation, all can avoid the water-cooled of cold water pipe 4 too much to freeze, thereby realize the anti-freeze function of cold water pipe 4.
Embodiment ten
Refer to Fig. 9 and Figure 10, the present embodiment is with the difference between embodiment nine: cold water pipe 4 is connected with water heater 1 separately respectively with circulating water pipe 3, rather than, as in embodiment nine, both converge after connecting into a pipeline and are communicated with water heater 1, remaining structure is identical with in embodiment nine all.
Embodiment 11
Refer to Fig. 9 and Figure 11, the present embodiment is with the difference between embodiment nine: between the outer wall of the outer wall of two aqueducts 5 and cold water pipe 4, all by heat-conducting filler 6, be connected, rather than directly fit and realize the heat conduction as the outer wall of the outer wall of aqueduct 5 in embodiment nine and cold water pipe 4, remaining structure is identical with in embodiment nine all.In the present embodiment, what these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic is a kind of, and these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment 12
Refer to Figure 10 and Figure 12, the present embodiment is with the difference between embodiment ten: between the outer wall of the outer wall of two aqueducts 5 and cold water pipe 4, all by heat-conducting filler 6, be connected, rather than directly fit and realize the heat conduction as the outer wall of the outer wall of aqueduct 5 in embodiment ten and cold water pipe 4, remaining structure is identical with in embodiment ten all.In the present embodiment, what these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic is a kind of, and these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment 13
Refer to Fig. 9 and Figure 13, difference between the present embodiment and embodiment nine is: in two aqueducts 5, between the outer wall that only has the aqueduct 5 be connected with hot-water line 2 and the outer wall of cold water pipe 4, all by heat-conducting filler 6, be connected, and another aqueduct be connected with circulating water pipe 35 is still in embodiment nine, the outer wall of its outer wall and cold water pipe 4 is directly fitted and is realized the heat conduction, and remaining structure is identical with in embodiment nine all.In the present embodiment, what these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic is a kind of, and these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment 14
Refer to Figure 13 and Figure 14, the present embodiment is with the difference between embodiment 13: cold water pipe 4 is connected with water heater 1 separately respectively with circulating water pipe 3, rather than, as in embodiment 13, both converge after connecting into a pipeline and are communicated with water heater 1, remaining structure is identical with in embodiment 13 all.
Embodiment 15
Refer to Fig. 9 and Figure 15, difference between the present embodiment and embodiment nine is: in two aqueducts 5, between the outer wall that only has the aqueduct 5 be connected with circulation pipe and the outer wall of cold water pipe 4, all by heat-conducting filler 6, be connected, and another aqueduct be connected with hot-water line 25 is still in embodiment nine, the outer wall of its outer wall and cold water pipe 4 is directly fitted and is realized the heat conduction, and remaining structure is identical with in embodiment nine all.In the present embodiment, what these heat-conducting fillers 6 can be in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic is a kind of, and these substances play conductive force, strengthen the heat transference efficiency between aqueduct 5 and cold water pipe 4.
Embodiment 16
Refer to Figure 15 and Figure 16, the present embodiment is with the difference between embodiment 15: cold water pipe 4 is connected with water heater 1 separately respectively with circulating water pipe 3, rather than, as in embodiment 15, both converge after connecting into a pipeline and are communicated with water heater 1, remaining structure is identical with in embodiment 15 all.
In above-described embodiment, the port of aqueduct 5 can be designed as the bend pipe mouth shown in Fig. 1 to Figure 16, also can be designed to the chamfering mouth shown in Figure 17 and Figure 18, can also be flat mouth or otch etc., to play guide functions, while making the water flow in circulating water pipe 3 or hot-water line 2, more easily enter in aqueduct 5.
The utility model also provides a kind of direct-heating heat pump water heater group (not shown).Described direct-heating heat pump water heater group comprises above-mentioned water pipe anti-freezing structure.
Owing to having adopted above-mentioned water pipe anti-freezing structure, the cold water pipe of the utility model direct-heating heat pump water heater group can not freeze, and whole unit is more safe and reliable, energy-conserving and environment-protective.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. water pipe anti-freezing structure, comprise water heater, the hot-water line be communicated with separately with described water heater respectively and circulating water pipe and the cold water pipe be communicated with described water heater, it is characterized in that: also comprise at least one aqueduct, described circulating water pipe is communicated with two ports of described aqueduct with two ports and/or the described hot-water line of described aqueduct, and the outer wall of described aqueduct is connected with the outer wall heat conduction of described cold water pipe.
2. water pipe anti-freezing structure as claimed in claim 1, it is characterized in that: described aqueduct is one, and two ports of this aqueduct all are communicated with described circulating water pipe, described cold water pipe converges with described water heater and is connected with described circulating water pipe, and the distance that described cold water pipe and described circulating water pipe converge junction and described water heater is less than described aqueduct near an end of described water heater and the distance between described water heater.
3. water pipe anti-freezing structure as claimed in claim 1, it is characterized in that: described aqueduct is one, and two ports of this aqueduct all are communicated with described circulating water pipe, described cold water pipe is connected with described water heater separately respectively with described circulating water pipe.
4. water pipe anti-freezing structure as claimed in claim 1, it is characterized in that: described aqueduct is one, and two ports of this aqueduct all are communicated with described hot-water line, described cold water pipe converges with described water heater and is connected with described circulating water pipe.
5. water pipe anti-freezing structure as claimed in claim 1, it is characterized in that: described aqueduct is one, and two ports of this aqueduct all are communicated with described hot-water line, described cold water pipe is connected with described water heater separately respectively with described circulating water pipe.
6. water pipe anti-freezing structure as claimed in claim 1, it is characterized in that: described aqueduct is two, two ports of one of them described aqueduct all are communicated with described hot-water line, two ports of another described aqueduct all are communicated with described circulating water pipe, described cold water pipe converges with described water heater and is connected with described circulating water pipe, and described cold water pipe and described circulating water pipe converge junction and the distance of described water heater and be less than an end of the close described water heater of aqueduct that two ends are communicated with described circulating water pipe and the distance between described water heater.
7. water pipe anti-freezing structure as claimed in claim 1, it is characterized in that: described aqueduct is two, two ports of one of them described aqueduct all are communicated with described hot-water line, two ports of another described aqueduct all are communicated with described circulating water pipe, and described cold water pipe is connected with described water heater separately respectively with described circulating water pipe.
8. water pipe anti-freezing structure as described as claim 1 to 7 any one, it is characterized in that: the outer wall of described aqueduct and the outer wall of described cold water pipe directly fit together, perhaps, between the outer wall of the outer wall of described aqueduct and described cold water pipe, by heat-conducting filler, be connected.
9. water pipe anti-freezing structure as claimed in claim 8 is characterized in that: described heat-conducting filler is a kind of in scolder, conduction oil, heat-conducting silicone grease, metal or heat-conducting plastic.
10. water pipe anti-freezing structure as claimed in claim 8, it is characterized in that: the port of described aqueduct is bend pipe mouth or chamfering mouth.
11. the direct-heating heat pump water heater group is characterized in that: comprise the described water pipe anti-freezing structure of claim 1 to 10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320347642.XU CN203375723U (en) | 2013-06-17 | 2013-06-17 | Water pipe anti-freezing structure and directly-heated type heat pump water heater unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320347642.XU CN203375723U (en) | 2013-06-17 | 2013-06-17 | Water pipe anti-freezing structure and directly-heated type heat pump water heater unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375723U true CN203375723U (en) | 2014-01-01 |
Family
ID=49838249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320347642.XU Expired - Fee Related CN203375723U (en) | 2013-06-17 | 2013-06-17 | Water pipe anti-freezing structure and directly-heated type heat pump water heater unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825383A (en) * | 2018-08-22 | 2018-11-16 | 上海力顺燃机科技有限公司 | Coke-stove gas enters temprature control method and control system before gas turbine |
| CN109028648A (en) * | 2018-08-27 | 2018-12-18 | 全球能源互联网欧洲研究院 | Cooling back installation and its application method |
-
2013
- 2013-06-17 CN CN201320347642.XU patent/CN203375723U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825383A (en) * | 2018-08-22 | 2018-11-16 | 上海力顺燃机科技有限公司 | Coke-stove gas enters temprature control method and control system before gas turbine |
| CN109028648A (en) * | 2018-08-27 | 2018-12-18 | 全球能源互联网欧洲研究院 | Cooling back installation and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104567022A (en) | Double-thermoelectric power generation device for solar water heater | |
| KR101875060B1 (en) | Double circulation control device of water heater | |
| CN202119101U (en) | Superconducting water heater | |
| CN203375723U (en) | Water pipe anti-freezing structure and directly-heated type heat pump water heater unit with same | |
| CN203633259U (en) | Plant frost-proof system | |
| CN104654637A (en) | Solar water heater heat-insulation water tank with temperature difference power generation device | |
| CN101813378B (en) | Method for modifying general gas engine or electric water heater into solar water heater | |
| CN201818954U (en) | Oil pipeline of externally-wrapped internally-heated thermal insulation device | |
| CN204313505U (en) | The two temperature difference electricity generation device of a kind of solar water heater | |
| CN104359142B (en) | Heat-storage solar energy, electric energy and coal heat type heat combined heat heat source system | |
| CN201688578U (en) | Solar water heater modified from gas or electric water heater | |
| CN201265911Y (en) | Single tube heat-supply heating system | |
| CN103727347A (en) | Pipe heat tracing system using heating hot water | |
| CN204313512U (en) | The new system of field joint stations heating crude oil | |
| CN204494872U (en) | A kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device | |
| CN203323391U (en) | Water circulating system of water heater | |
| CN203454397U (en) | Instantly heated water supply device | |
| CN203837275U (en) | Antifreeze component and heat pump water heater comprising same | |
| CN205013443U (en) | Diesel engine hot -water circulation heating hydraulic pressure oil device | |
| CN206377862U (en) | A kind of antifreeze loop structure based on solar water heater | |
| CN205174788U (en) | Hot electric water heater system of speed of carbon fiber blends heater heating leaking water pipeline | |
| CN203083174U (en) | Overheating protective device of solar heat collector for idle sunning | |
| CN204128201U (en) | Pressure-bearing type list chest female cabin space energy water heater | |
| CN204421404U (en) | The solar united header tank of Novel double-channel | |
| CN103277896B (en) | A kind of water circulation system for water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20200617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |