CN203364412U - Antifreezing heat pump water heater - Google Patents
Antifreezing heat pump water heater Download PDFInfo
- Publication number
- CN203364412U CN203364412U CN 201320349553 CN201320349553U CN203364412U CN 203364412 U CN203364412 U CN 203364412U CN 201320349553 CN201320349553 CN 201320349553 CN 201320349553 U CN201320349553 U CN 201320349553U CN 203364412 U CN203364412 U CN 203364412U
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- Prior art keywords
- water inlet
- valve
- heat exchanger
- cold water
- pipe
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Abstract
The utility model relates to the field of water heaters and provides an antifreezing heat pump water heater which comprises a heat exchanger and a control system. The heat exchanger is connected with a cold water inlet pipe and a circulating water inlet pipe, the cold water inlet pipe is in series connection with a first on-off valve for controlling the pipe to be connected and disconnected, the circulating water inlet pipe comprises a first branch pipe and a second branch pipe connected with the first branch pipe, the first branch pipe is connected with the cold water inlet pipe and is close to the water outlet end of the first on-off valve, and the second branch pipe is connected with the heat exchanger. The circulating water inlet pipe is provided with the first branch pipe connected with the cold water inlet pipe and the first branch pipe is close to the water outlet end of the first on-off valve, so that flowing water exists in the cold water inlet pipe regardless of cold water heating or circulating heating heat preservation, the problem that the cold water inlet pipe is subjected to frost cracking due to too low outer circumference temperature is solved, and the antifreezing effect is achieved; besides, the pipe structure is simple, production cost is low, and simultaneously the safety factor is high when the water heater works.
Description
Technical field
The utility model relates to field of water heaters, relates in particular to a kind of Teat pump boiler that can be antifreeze.
Background technology
Heat pump techniques enjoys people's concern always as a kind of new energy technology, as its a kind of application mode Teat pump boiler, also be well received by consumers.But, at present, the unit in Teat pump boiler, due to the impact that is subject to weather, causes the lower zone of part temperature in winter to use.
The water lines structure that traditional Teat pump boiler adopts as shown in Figure 1, cold water inlet 3 is connected running water pipe, circulation water inlet pipe 4 and outlet pipe 12 are connected the water tank (not shown), when the user needs water, running water is in cold water inlet 3 enters heat exchanger 1, and enter water tank for the user by outlet pipe 12 under the heat effect of heat exchanger 1, and the user during for a long time without the water in water tank, water temperature in water tank descends, water heater will be controlled water in water tank and enter heat exchanger 1 through circulation water inlet pipe 4 and again heat, and enter water tank heat preserving.When this water lines in low temperature environment, and when unit adopts 4 pairs of water tanks of circulation water inlet pipe to be incubated, water in cold water inlet 3 can't flow, simultaneously because the first on-off valve 31 on cold water inlet 3 and the water between flow control valve 32 can't be discharged because of closing of two valve bodies, if the circulation Heat preservation time is long cold water inlet 3 will not freeze even bursting by freezing water pipe because there is no for a long time water flow, and then affects the use of unit.
The Teat pump boiler occurred is on the market at present set up antifreeze heating tape often on cold water inlet and circulation water inlet pipe two pipelines, and when unit circulates Heat preservation for a long time, unit automatic control electrical heating band generates heat in case the bursting by freezing of antipriming pipe.But this antifreeze mode need to be carried out insulation and safety measure, and production efficiency is low, and cost is higher again, and heat tape works long hours and also can produce certain potential safety hazard to Teat pump boiler.
The utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of Teat pump boiler that can prevent the cold water inlet bursting by freezing is provided.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of antifreeze Teat pump boiler is provided, comprise heat exchanger and control system, described heat exchanger is connected with cold water inlet and circulation water inlet pipe, be serially connected with the first on-off valve for the control piper break-make on described cold water inlet, described circulation water inlet pipe comprises the first bypass duct and connected the second bypass duct, described the first bypass duct is connected and is close to the water side of described the first on-off valve with described cold water inlet, described the second bypass duct connects described heat exchanger.
Further, described the first bypass duct and described the second bypass duct all are serially connected with the first check valve.
Further, the water inlet of described circulation water inlet pipe has been provided with the second on-off valve or the second check valve.
Further, between the link that described cold water inlet is connected with described the first bypass duct and described heat exchanger respectively, be serially connected with the flow control valve be electrically connected to described control system.
Particularly, the water inlet of the contiguous described cold water inlet of the water inlet end of described the first on-off valve.
Further, also comprise the pipe that converges be connected with described heat exchanger bottom, described cold water inlet and described the second bypass duct converge at the described pipe that converges.
Particularly, described converging on pipe is removably connected with the draining valve be electrically connected to described control system.
Further, described draining valve also is provided with hand switch.
Particularly, described the first on-off valve is the motor-driven valve be electrically connected to described control system.
Particularly, described heat exchanger is double pipe heat exchanger or plate type heat exchanger or water fluorine heat exchanger.
The utlity model has following technique effect:
Also be communicated with a bypass duct in the utility model between cold water inlet and circulation water inlet pipe, and this bypass duct is near the first on-off valve of cold water inlet.When the water of water heater in adopting cold water inlet heats like this, the first on-off valve is opened, the situation of bursting by freezing can not appear in cold water inlet, and when adopting the circulating water heating insulation, the first on-off valve is closed, part water enters heat exchanger by the second bypass duct, part water is entered in cold water inlet by the first bypass duct simultaneously, and then heating in inflow heat exchanger, also there is circulating water in whole process in cold water inlet always, and while the first bypass duct is near the water side of the first on-off valve, can there do not is Static Water between the first bypass duct and the first on-off valve yet, cold water inlet not there will be the situation of bursting by freezing yet like this, there is certain antifreezing effect, pipeline structure is simple, cost is lower, and safety coefficient during water heater working is higher.
Further, be equipped with the first check valve in the first bypass duct and the second bypass duct, the water inlet of water inlet pipe of perhaps circulating is provided with the second check valve or the second on-off valve, and when water heater adopts the water heating of cold water inlet like this, can there be the situation of backflow in the circulation water inlet pipe.
Further, at cold water inlet, also be serially connected with flow throttle valve, can regulate like this inflow of cold water inlet, and then can regulate the water temperature after the heat exchanger heating.
The accompanying drawing explanation
Fig. 1 is the pipeline structure schematic diagram in the utility model tradition embodiment;
Fig. 2 is pipeline structure schematic diagram in the utility model the first bypass duct and the second bypass duct serial connection check valve embodiment;
The water inlet that Fig. 3 is the utility model circulation water inlet pipe arranges pipeline structure schematic diagram in on-off valve embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage 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.
Referring to Fig. 2, the utility model embodiment provides a kind of antifreeze Teat pump boiler, comprise heat exchanger 1 and control system 2, be connected with cold water inlet 3 and circulation water inlet pipe 4 simultaneously on heat exchanger 1, cold water inlet 3 is communicated with running water, circulation water inlet pipe 4 joining water box (not shown)s, and the running water of being connected by cold water inlet 3 is entering water tank after heat exchanger 1 heating, first on-off valve 31 of serial connection on cold water inlet 3, this the first on-off valve 31 can be controlled the break-make of cold water inlet 3, further, circulation water inlet pipe 4 comprises the first bypass duct 41 and the second bypass duct 42, between two pipes, be connected, the first bypass duct 41 is connected with cold water inlet 3, and it is near the water side of the first on-off valve 31, the second bypass duct 42 is connected with heat exchanger 1.In the utility model, while in water tank, there is no water, cold water inlet 3 after connecting running water heats its input heat exchanger 1, and the running water after heating all enters water tank for the user, in this process, there is circulating water in cold water inlet 3 always, and when ambient temperature is low, cold water inlet 3 not there will be the situation of bursting by freezing yet, and when water tank fills up water, circulation water inlet pipe 4 is by water input heat exchanger 1 heat tracing in water tank, in this process, part water directly enters the interior heating of heat exchanger 1 by the second bypass duct 42, and some water can enter cold water inlet 3 via the second bypass duct 42, and then enter the interior heat tracing of heat exchanger 1, there is circulating water in cold water inlet 3 always, simultaneously due to the water side of the first bypass duct 41 near the first on-off valve 31, there is no water between such the first bypass duct 41 and the first on-off valve 31, cold water inlet 3 can be because of the lower bursting by freezing of ambient temperature, hence one can see that no matter adopt any mode of heating, in cold water inlet 3, there is circulating water to exist always, it not there will be the situation of bursting by freezing yet, antifreezing effect is better, and whole pipeline structure is simple, cost is low, easy operating, simultaneously safety coefficient during water heater working is higher.
Refer again to Fig. 2, due to the effect of the first bypass duct 41, between circulation water inlet pipe 4 and cold water inlet 3, in connected state, still for having prevented that cold water from directly entering water tank, situation about refluxing appears in the water inlet pipe 4 of should avoiding circulating.Can on the first bypass duct 41, be connected in series the first check valve 43 to this, also be serially connected with the first check valve 43 simultaneously on the second bypass duct 42, certainly the direction for two first check valves 43 should be the water outlet direction that follows ring water inlet pipe 4, like this when the circulation insulation, water enters heat exchanger 1 by the first bypass duct 41 and the second water inlet pipe 42, and when tap water heating, running water directly enters heat exchanger 1 by cold water inlet 3, and can not enter the first bypass duct 41 and the second bypass duct 42 because of the effect running water of the first check valve 43, having avoided tap water direct to take back flows in water tank.Referring to Fig. 3, certainly second on-off valve 44 or the second check valve (not shown) can also be set at the water inlet of circulation water inlet pipe 4, if the second on-off valve 44, directly by tap water heating the time, close the second on-off valve 44 on circulation water inlet pipe 4, running water can enter the second bypass duct 42 by the first bypass duct 41, but it can directly not enter water tank, but the water outlet direction that follows ring water inlet pipe 4 enters heat exchanger 1, if the second check valve in like manner, the water outlet direction that its direction is circulation water inlet pipe 4, running water can not flow directly in water tank yet.
Further, also be serially connected with a flow control valve 32 on cold water inlet 3, flow control valve 32 is located between the link and heat exchanger and cold water inlet link of the first bypass duct and cold water inlet, the current size that it can be regulated on cold water inlet 3, the heating water temperature that is conducive to like this regulate heat exchanger 1.And, for the convenient adjusting to flow control valve 32, it can be electrically connected to the flow of adjust flux control valve 32 in control system 2 with control system 2.
The first on-off valve 31 be serially connected on cold water inlet 3 generally is located at it near water inlet of cold water inlet 3, namely the water inlet end of the first on-off valve 31 is close to the water inlet of cold water inlet 3, like this when adopting circulation water inlet insulation, also be difficult to have running water between the water inlet of the first on-off valve 31 and cold water inlet 3, the neither meeting of the various piece of cold water inlet 3 is because of the impact bursting by freezing of environment temperature.
Particularly referring to Fig. 3, all can adopt motor-driven valve for the first on-off valve 31 on cold water inlet 3 and the second on-off valve 44 on circulating water inlet 4, motor-driven valve also is electrically connected to control system 2, control the break-make of motor-driven valve by control system 2, more convenient, each course of work of water heater all can operate by control system, and automaticity is higher.Heat exchanger 1 can adopt double pipe heat exchanger or plate type heat exchanger or water fluorine heat exchanger etc., to realize the heat exchange of water and other media.
The foregoing is only the utility model preferred embodiment; its structure is not limited to the above-mentioned shape of enumerating; 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 (10)
1. an antifreeze Teat pump boiler, comprise heat exchanger and control system, described heat exchanger is connected with cold water inlet and circulation water inlet pipe, be serially connected with the first on-off valve for the control piper break-make on described cold water inlet, it is characterized in that: described circulation water inlet pipe comprises the first bypass duct and connected the second bypass duct, described the first bypass duct is connected and is close to the water side of described the first on-off valve with described cold water inlet, described the second bypass duct connects described heat exchanger.
2. antifreeze Teat pump boiler as claimed in claim 1, it is characterized in that: described the first bypass duct and described the second bypass duct all are serially connected with the first check valve.
3. antifreeze Teat pump boiler as claimed in claim 1, it is characterized in that: the water inlet of described circulation water inlet pipe has been provided with the second on-off valve or the second check valve.
4. antifreeze Teat pump boiler as described as claim 1-3 any one, is characterized in that: between the link that described cold water inlet is connected with described the first bypass duct and described heat exchanger respectively, be serially connected with the flow control valve be electrically connected to described control system.
5. antifreeze Teat pump boiler as described as claim 1-3 any one, is characterized in that: the water inlet of the contiguous described cold water inlet of the water inlet end of described the first on-off valve.
6. antifreeze Teat pump boiler as claimed in claim 1 is characterized in that: also comprise the pipe that converges be connected with described heat exchanger bottom, described cold water inlet and described the second bypass duct converge at the described pipe that converges.
7. antifreeze Teat pump boiler as claimed in claim 6, it is characterized in that: described converging on pipe is removably connected with the draining valve be electrically connected to described control system.
8. antifreeze Teat pump boiler as claimed in claim 7, it is characterized in that: described draining valve also is provided with hand switch.
9. antifreeze Teat pump boiler as claimed in claim 1, is characterized in that: the motor-driven valve of described the first on-off valve for being electrically connected to described control system.
10. antifreeze Teat pump boiler as claimed in claim 1, it is characterized in that: described heat exchanger is double pipe heat exchanger or plate type heat exchanger or water fluorine heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320349553 CN203364412U (en) | 2013-06-18 | 2013-06-18 | Antifreezing heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320349553 CN203364412U (en) | 2013-06-18 | 2013-06-18 | Antifreezing heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364412U true CN203364412U (en) | 2013-12-25 |
Family
ID=49812162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320349553 Expired - Fee Related CN203364412U (en) | 2013-06-18 | 2013-06-18 | Antifreezing heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203364412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931084A (en) * | 2018-07-04 | 2018-12-04 | 珠海格力电器股份有限公司 | Freezing protection control device, heat pump unit and its antifreeze control method of heat pump unit |
| CN112197451A (en) * | 2020-10-14 | 2021-01-08 | 珠海格力电器股份有限公司 | Power-off anti-freezing air conditioning unit and control method thereof |
-
2013
- 2013-06-18 CN CN 201320349553 patent/CN203364412U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931084A (en) * | 2018-07-04 | 2018-12-04 | 珠海格力电器股份有限公司 | Freezing protection control device, heat pump unit and its antifreeze control method of heat pump unit |
| CN108931084B (en) * | 2018-07-04 | 2019-10-18 | 珠海格力电器股份有限公司 | Freezing protection control device, heat pump unit and its antifreeze control method of heat pump unit |
| CN112197451A (en) * | 2020-10-14 | 2021-01-08 | 珠海格力电器股份有限公司 | Power-off anti-freezing air conditioning unit and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20190618 |