CN205137904U - Overlapping formula air source water heater - Google Patents
Overlapping formula air source water heater Download PDFInfo
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- CN205137904U CN205137904U CN201520867127.3U CN201520867127U CN205137904U CN 205137904 U CN205137904 U CN 205137904U CN 201520867127 U CN201520867127 U CN 201520867127U CN 205137904 U CN205137904 U CN 205137904U
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Abstract
The utility model relates to an overlapping formula air source water heater, including low temperature heating system more than two, the high temperature heating more than two, low temperature side heat exchanger, water tank, first and second high temperature side heat exchanger, first and second water pump, respectively independent and low temperature side heat exchanger series connection of the low temperature heating system more than two wherein, the delivery port of low temperature side heat exchanger and water inlet respectively with a mouth and the b mouth intercommunication of water tank, first water pump is established on the water pipe of water tank and low temperature side heat exchanger intercommunication, the both ends of the high temperature heating more than two respectively with first high temperature side heat exchanger and second high temperature side heat exchanger series connection, the delivery port of first high temperature side heat exchanger and water inlet respectively with the c mouth and the b mouth intercommunication of water tank, the second water pump is established on the water pipe of water tank and first high temperature side heat exchanger intercommunication. Its advantage does: the problem of ultra -low temperature environment high temperature goes out water is solved, make the low temperature heating system obtain the buffering under high temperature environment, avoid the compressor frequently to open and stop, the energy saving, the improvement heats efficiency.
Description
Technical field
The utility model relates to a kind of overlapping air source water heater.
Background technology
At present for northern China cold district, traditional dependence fire coal or fuel oil heating, serious air pollution brings immense pressure to environment.Country completely forbids coal heating, and therefore, for the area of demand heating, mousing out a kind of clean, energy-conservation heating mode becomes the task of top priority.Air source heat pump technology is a power-saving technology, included in regenerative resource series in areas such as Beijing, air source heat pump heat comes from air, clean, energy-saving and environmental protection, easy to use, energy utilization efficiency is high and substantially do not produce pollution to territory of use, is the most competitive a kind of heating technology of alternative conventional boiler heating mode.Meanwhile, the coal of old building changes the research topic that electricity becomes a lot of heat pump industry, not changing under original poor efficiency warms up fin radiator condition, the air source heat pump water temperature under ultralow temperature is risen to the emphasis that 75 DEG C become this problem;
At present, ultralow temperature air source heat pump hot-water mainly takes converter technique and accurate Two-stage Compression to increase the heating capacity under low temperature environment, the air injection enthalpy-increasing compressor of taking turns as adopted paddy, Danfoss liquid injection compressor, heating capacity can be increased to a certain extent, but single stage compress cannot stop the decay of heating capacity, hot water temperature cannot be risen to more than 75 DEG C, not applicable in the warm fin heating occasion of poor efficiency;
High-temperature water outlet can be had at low ambient temperatures to solve, net for air-source heat pump units will adopt superposition type system usually, superposition type system generally uses two systems, the cold-producing medium using boiling temperature high in high temperature heating, in low-temperature heating system, use the cold-producing medium that boiling temperature is low, in high temperature heating, the evaporation of cold-producing medium is to absorb condensation of refrigerant liberated heat in low-temperature heating system; But during superposition type system cloud gray model; low-temperature heating system raises along with environment temperature; when the atmospheric heat drawn can not get effectively digesting; system exhaust high pressure can be caused high and shut down, this will cause the start and stop of low-temperature level high frequent, and system running is unstable; power consumption is large; current fluctuation is large, affects the compressor life-span, produces noise.
Summary of the invention
The utility model provides a kind of overlapping air source water heater to overcome the deficiencies in the prior art, it solves ultra-low temperature surroundings high-temperature water outlet problem, and utilize the accumulation of heat effect of water tank, low-temperature heating system is cushioned in high temperature environments, avoid high frequent start and stop, low-temperature heating system and high temperature heating multiple independently refrigeration system in parallel, according to the refrigeration system number that load variations flexible modulation is run, economize energy, improves heating efficiency.
In order to achieve the above object, the utility model is achieved in that it is a kind of
overlapping air source water heater, comprise plural low-temperature heating system, plural high temperature heating, low-temperature side heat exchanger, water tank, the first high temperature side heat exchanger, the second high temperature side heat exchanger, the first water pump and the second water pump; Wherein said plural low-temperature heating system being connected in series with low-temperature side heat exchanger independently, the delivery port of described low-temperature side heat exchanger and water inlet are communicated with a mouth of water tank and b mouth respectively, and described first water pump is located on the water pipe that water tank is communicated with low-temperature side heat exchanger; The two ends of described plural high temperature heating are connected in series with the first high temperature side heat exchanger and the second high temperature side heat exchanger respectively, the delivery port of described first high temperature side heat exchanger and water inlet are communicated with the c mouth of water tank and b mouth respectively, and described second water pump is located on the water pipe that water tank is communicated with the first high temperature side heat exchanger.
Described low-temperature heating system comprises: the first compressor, the first cross valve, the first gas-liquid separator, evaporimeter, the first magnetic valve and the first expansion valve; Wherein
The exhaust outlet of described first compressor is communicated with the D mouth of the first cross valve, the gas supplementing opening of the first compressor and the outlet of the first magnetic valve, the air entry of the first compressor and the outlet of the first gas-liquid separator;
The D mouth of described first cross valve is communicated with E mouth, the C mouth of the first cross valve is communicated with S mouth, the E mouth of described first cross valve and the inlet communication of low-temperature side heat exchanger, the S mouth of the first cross valve and the inlet communication of the first gas-liquid separator, the C mouth of the first cross valve and the outlet of evaporimeter;
The outlet of described low-temperature side heat exchanger respectively with the import of the first magnetic valve and the inlet communication of the first expansion valve;
The described outlet of the first expansion valve and the inlet communication of evaporimeter.
Described high temperature heating comprises the second compressor, the second cross valve, the second gas-liquid separator, drier, the second magnetic valve, plate type heat exchanger, the 3rd magnetic valve and expansion valve; Wherein
The exhaust outlet of described second compressor is communicated with the D mouth of the second cross valve, and the gas supplementing opening of the second compressor is communicated with a mouth of plate type heat exchanger, the air entry of the second compressor and the outlet of the second gas-liquid separator;
The D mouth of described second cross valve is communicated with C mouth, the S mouth of the second cross valve is communicated with E mouth, the C mouth of described second cross valve and the inlet communication of the second high temperature side heat exchanger, the S mouth of the second cross valve and the inlet communication of the second gas-liquid separator, the E mouth of the second cross valve and the outlet of the first high temperature side heat exchanger;
The import of described drier and the outlet of the second high temperature side heat exchanger, the outlet of drier is communicated with the import of the second magnetic valve and the c mouth of plate type heat exchanger respectively;
The a mouth of described plate type heat exchanger is communicated with b mouth, and the c mouth of plate type heat exchanger is communicated with d mouth, the b mouth of described plate type heat exchanger and the outlet of the second magnetic valve, the d mouth of plate type heat exchanger respectively with the import of the 3rd magnetic valve and the inlet communication of the second expansion valve;
The described outlet of the 3rd magnetic valve and the inlet communication of gas-liquid separator;
The outlet of described second expansion valve and the inlet communication of the first high temperature side heat exchanger.
The utility model advantage is compared with prior art: solve ultra-low temperature surroundings high-temperature water outlet problem, and utilize the accumulation of heat effect of water tank, low-temperature heating system is cushioned in high temperature environments, avoid high frequent start and stop, low-temperature heating system and high temperature heating multiple independently refrigeration system in parallel, according to the refrigeration system number that load variations flexible modulation is run, economize energy, improves heating efficiency.
Accompanying drawing explanation
Fig. 1 is the some work schematic diagram such as low-temperature heating system of the present utility model and water tank;
Fig. 2 is the some work schematic diagrams such as high temperature heating of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.It should be noted that at this, the explanation for these embodiments understands the utility model for helping, but does not form restriction of the present utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can be combined with each other.
In description of the present utility model, term " first ", " second " and " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
As shown in Fig. 1 and 2, it is overlapping air source water heater, comprises two low-temperature heating systems, two high temperature heatings, low-temperature side heat exchanger 7, water tank 9, first high temperature side heat exchanger 19, second high temperature side heat exchanger 20, first water pump 8 and the second water pumps 21; Wherein said two low-temperature heating systems being connected in series with low-temperature side heat exchanger 7 independently, the delivery port of described low-temperature side heat exchanger 7 and water inlet are communicated with a mouth of water tank 9 and b mouth respectively, and described first water pump 8 is located on the water pipe that water tank 9 is communicated with low-temperature side heat exchanger 7; The two ends of described two high temperature heatings are connected in series with the first high temperature side heat exchanger 19 and the second high temperature side heat exchanger 20 respectively, the delivery port of described first high temperature side heat exchanger 19 and water inlet are communicated with the c mouth of water tank 9 and b mouth respectively, and described second water pump 21 is located on the water pipe that water tank 9 is communicated with the first high temperature side heat exchanger 19.Can select the quantity of low-temperature heating system and high temperature heating according to actual needs, can be two, also can be three or four etc.
During work, described low-temperature heating system according to the actual requirements and control logic adopt one or more low-temperature heating system, two low-temperature heating systems being connected in series with low-temperature side heat exchanger 7 independently, each low-temperature heating system independently controls, possesses complete safeguard measure separately, what the refrigeration system of described low-temperature heating system adopted is all R410A refrigerant, and Danfoss hydrojet technology compressor, can obtain good heating effect at low temperatures; The effect of low-temperature heating system is for water tank 9 provides heat under ultra-low temperature surroundings; The refrigeration system number that described low-temperature heating system regulates low-temperature heating system to run according to the size that high temperature heating absorbs energy, ensures that the heat produced can not exceed the protection value of high temperature heating; As environment temperature <2 DEG C; two low-temperature heating systems run together; when environment temperature >=2 DEG C; an isolated operation in two low-temperature heating systems; two low-temperature heating systems are had holidays by turns function; detect compressor operating time when shutdown restarts, the operation duration that low-temperature heating system runs can be judged.
In described high temperature heating according to the actual requirements and control logic adopt single or two high temperature heatings, two high temperature heating two ends being connected in series with the first high temperature side heat exchanger 19 and the second high temperature side heat exchanger 20 independently, each high temperature heating independently controls, and possesses complete protection separately and arranges; What the refrigeration system of high temperature heating adopted is all R134a refrigerant, and Ai Mosheng air injection enthalpy-increasing compressor, utilizes puff prot well can control compressor exhaust temperature, and system can be allowed to export the hot water of higher temperature; The heat in buffer tank is drawn in the effect of high-pressure system, is further converted to the hot water of more high-quality; The number that the size of the heat of described high temperature heating needed for user regulates high temperature heating to run, simultaneously can according to compressor operating time, and the system of automatically performing is had holidays by turns;
Described water tank 9 is low-temperature heating system and the interconnective part of high temperature heating; Water tank 9 is drawn and is stored the heat that low-temperature heating system gives, and its heat, from water tank 9 draw heat, is converted to higher water temperature by high temperature heating further.
As shown in Figure 1, in the present embodiment, described low-temperature heating system comprises: the first compressor 1, first cross valve 2, first gas-liquid separator 3, evaporimeter 4, first magnetic valve 5 and the first expansion valve 6; The exhaust outlet of wherein said first compressor 1 is communicated with the D mouth of the first cross valve 2, the gas supplementing opening of the first compressor 1 and the outlet of the first magnetic valve 5, the air entry of the first compressor 1 and the outlet of the first gas-liquid separator 3;
The D mouth of described first cross valve 2 is communicated with E mouth, the C mouth of the first cross valve 2 is communicated with S mouth, the described E mouth of the first cross valve 2 and the inlet communication of low-temperature side heat exchanger 7, the S mouth of the first cross valve 2 and the inlet communication of the first gas-liquid separator 3, the C mouth of the first cross valve 2 and the outlet of evaporimeter 4;
The outlet of described low-temperature side heat exchanger 7 respectively with the import of the first magnetic valve 5 and the inlet communication of the first expansion valve 6;
The described outlet of the first expansion valve 6 and the inlet communication of evaporimeter 4.
During work, described first compressor 1 have employed hydrojet technology compressor, adopts environmental protection refrigerant R410A.Refrigerant is discharged from the exhaust outlet of the first compressor 1, enter in low-temperature side heat exchanger 7 through the D mouth of the first cross valve 2 and E mouth and carry out heat exchange, water in heating water tank 9, refrigerant is got back in the first compressor 1 after the first expansion valve 6, evaporimeter 4 and gas-liquid separator 3 afterwards; When the delivery temperature of the first compressor 7 is very high, the first magnetic valve 5 is opened automatically, increases the inspiratory capacity of the first compressor 1, reduces delivery temperature.
As shown in Figure 2, in the present embodiment, described high temperature heating comprises the second compressor 13, second cross valve 11, second gas-liquid separator 12, drier 14, second magnetic valve 15, plate type heat exchanger 16, the 3rd magnetic valve 17 and expansion valve 18; Wherein
The exhaust outlet of described second compressor 13 is communicated with the D mouth of the second cross valve 11, and the gas supplementing opening of the second compressor 13 is communicated with a mouth of plate type heat exchanger 16, the air entry of the second compressor 13 and the outlet of the second gas-liquid separator 12;
The D mouth of described second cross valve 11 is communicated with C mouth, the S mouth of the second cross valve 11 is communicated with E mouth, the C mouth of described second cross valve 11 and the inlet communication of the second high temperature side heat exchanger 20, the S mouth of the second cross valve 11 and the inlet communication of the second gas-liquid separator 12, the E mouth of the second cross valve 11 and the outlet of the first high temperature side heat exchanger 19;
The import of described drier 14 and the outlet of the second high temperature side heat exchanger 20, the outlet of drier 14 is communicated with the import of the second magnetic valve 15 and the c mouth of plate type heat exchanger 16 respectively;
The a mouth of described plate type heat exchanger 16 is communicated with b mouth, the c mouth of plate type heat exchanger 16 is communicated with d mouth, the b mouth of described plate type heat exchanger 16 and the outlet of the second magnetic valve 15, the d mouth of plate type heat exchanger 16 respectively with the import of the 3rd magnetic valve 17 and the inlet communication of the second expansion valve 18;
The described outlet of the 3rd magnetic valve 17 and the inlet communication of gas-liquid separator 12;
The outlet of described second expansion valve 18 and the inlet communication of the first high temperature side heat exchanger 19.
During work, the second compressor 13 have employed air injection enthalpy-increasing compressor, adopts environmental protection refrigerant R134a; Described refrigerant sprays from the second compressor 13 exhaust outlet, enter the second high temperature side heat exchanger 20 through the second cross valve 11 and carry out heat exchange, keep the high temperature of refrigerant, refrigerant is through drier 14, enter in the first high temperature side heat exchanger 19 after the c mouth of plate type heat exchanger 16 and d mouth and the second expansion valve 18 and carry out heat exchange, water again in heating water tank 9, then refrigerant is got back in the second compressor 13 through the second cross valve 11 and gas-liquid separator 12; When the second compressor 11 excessive discharge temperature, described second magnetic valve 15 is opened automatically, make refrigerant through a mouth of plate type heat exchanger 16 and b mouth, increase the cold medium flux of plate type heat exchanger 16, increase the inspiratory capacity of the second compressor 13, reduce delivery temperature, described 3rd magnetic valve 17 is also opened automatically, again increase the inspiratory capacity of the second compressor 13, reduce delivery temperature.
Below by reference to the accompanying drawings detailed description is made to embodiment of the present utility model, but the utility model is not limited to described embodiment.For the ordinary skill in the art, carry out multiple change, amendment, replacement and distortion when not departing from principle of the present utility model and aim to these embodiments still to fall within protection domain of the present utility model.
Claims (3)
1. an overlapping air source water heater, is characterized in that comprising plural low-temperature heating system, plural high temperature heating, low-temperature side heat exchanger (7), water tank (9), the first high temperature side heat exchanger (19), the second high temperature side heat exchanger (20), the first water pump (8) and the second water pump (21); Wherein said plural low-temperature heating system being connected in series with low-temperature side heat exchanger (7) independently, the delivery port of described low-temperature side heat exchanger (7) and water inlet are communicated with a mouth of water tank (9) and b mouth respectively, and described first water pump (8) is located on the water pipe that water tank (9) is communicated with low-temperature side heat exchanger (7); The two ends of described plural high temperature heating are connected in series with the first high temperature side heat exchanger (19) and the second high temperature side heat exchanger (20) respectively, the delivery port of described first high temperature side heat exchanger (19) and water inlet are communicated with the c mouth of water tank (9) and b mouth respectively, and described second water pump (21) is located on the water pipe that water tank (9) is communicated with the first high temperature side heat exchanger (19).
2. overlapping air source water heater according to claim 1, is characterized in that described low-temperature heating system comprises the first compressor (1), the first cross valve (2), the first gas-liquid separator (3), evaporimeter (4), the first magnetic valve (5) and the first expansion valve (6); Wherein
The exhaust outlet of described first compressor (1) is communicated with the D mouth of the first cross valve (2), the gas supplementing opening of the first compressor (1) and the outlet of the first magnetic valve (5), the air entry of the first compressor (1) and the outlet of the first gas-liquid separator (3);
The D mouth of described first cross valve (2) is communicated with E mouth, the C mouth of the first cross valve (2) is communicated with S mouth, the E mouth of described first cross valve (2) and the inlet communication of low-temperature side heat exchanger (7), the S mouth of the first cross valve (2) and the inlet communication of the first gas-liquid separator (3), the C mouth of the first cross valve (2) and the outlet of evaporimeter (4);
The outlet of described low-temperature side heat exchanger (7) respectively with the import of the first magnetic valve (5) and the inlet communication of the first expansion valve (6);
The outlet of described first expansion valve (6) and the inlet communication of evaporimeter (4).
3. overlapping air source water heater according to claim 1, is characterized in that described high temperature heating comprises the second compressor (13), the second cross valve (11), the second gas-liquid separator (12), drier (14), the second magnetic valve (15), plate type heat exchanger (16), the 3rd magnetic valve (17) and expansion valve (18); Wherein
The exhaust outlet of described second compressor (13) is communicated with the D mouth of the second cross valve (11), the gas supplementing opening of the second compressor (13) is communicated with a mouth of plate type heat exchanger (16), the air entry of the second compressor (13) and the outlet of the second gas-liquid separator (12);
The D mouth of described second cross valve (11) is communicated with C mouth, the S mouth of the second cross valve (11) is communicated with E mouth, the C mouth of described second cross valve (11) and the inlet communication of the second high temperature side heat exchanger (20), the S mouth of the second cross valve (11) and the inlet communication of the second gas-liquid separator (12), the E mouth of the second cross valve (11) and the outlet of the first high temperature side heat exchanger (19);
The import of described drier (14) and the outlet of the second high temperature side heat exchanger (20), the outlet of drier (14) is communicated with the import of the second magnetic valve (15) and the c mouth of plate type heat exchanger (16) respectively;
The a mouth of described plate type heat exchanger (16) is communicated with b mouth, the c mouth of plate type heat exchanger (16) is communicated with d mouth, the b mouth of described plate type heat exchanger (16) and the outlet of the second magnetic valve (15), the d mouth of plate type heat exchanger (16) respectively with the import of the 3rd magnetic valve (17) and the inlet communication of the second expansion valve (18);
The described outlet of the 3rd magnetic valve (17) and the inlet communication of gas-liquid separator (12);
The outlet of described second expansion valve (18) and the inlet communication of the first high temperature side heat exchanger (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520867127.3U CN205137904U (en) | 2015-11-04 | 2015-11-04 | Overlapping formula air source water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520867127.3U CN205137904U (en) | 2015-11-04 | 2015-11-04 | Overlapping formula air source water heater |
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| CN205137904U true CN205137904U (en) | 2016-04-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865026A (en) * | 2016-06-06 | 2016-08-17 | 广东日出东方空气能有限公司 | Water heater with combined heat sources of solar energy and air energy |
| CN105928200A (en) * | 2016-04-28 | 2016-09-07 | 湖南科技大学 | Air source heat pump high-temperature water heating system suitable for low-temperature environment |
| CN106403409A (en) * | 2016-10-26 | 2017-02-15 | 广东高而美制冷设备有限公司 | Low-temperature enthalpy increasing and refrigerating system and working mode |
| CN109373629A (en) * | 2018-11-26 | 2019-02-22 | 科希曼电器有限公司 | It makes high water temperature and the heat pump system and its working method of constant heating effect can be maintained |
| CN109520166A (en) * | 2018-12-19 | 2019-03-26 | 春意环境科技有限公司 | A kind of temperature air-source heat pump suitable for ultra-low temperature surroundings |
-
2015
- 2015-11-04 CN CN201520867127.3U patent/CN205137904U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928200A (en) * | 2016-04-28 | 2016-09-07 | 湖南科技大学 | Air source heat pump high-temperature water heating system suitable for low-temperature environment |
| CN105928200B (en) * | 2016-04-28 | 2019-03-01 | 湖南科技大学 | A kind of air source heat pump high temperature water heating system suitable for low temperature environment |
| CN105865026A (en) * | 2016-06-06 | 2016-08-17 | 广东日出东方空气能有限公司 | Water heater with combined heat sources of solar energy and air energy |
| CN105865026B (en) * | 2016-06-06 | 2019-02-01 | 广东日出东方空气能有限公司 | Water heater with solar energy and air energy composite heat power supply |
| CN106403409A (en) * | 2016-10-26 | 2017-02-15 | 广东高而美制冷设备有限公司 | Low-temperature enthalpy increasing and refrigerating system and working mode |
| CN109373629A (en) * | 2018-11-26 | 2019-02-22 | 科希曼电器有限公司 | It makes high water temperature and the heat pump system and its working method of constant heating effect can be maintained |
| CN109520166A (en) * | 2018-12-19 | 2019-03-26 | 春意环境科技有限公司 | A kind of temperature air-source heat pump suitable for ultra-low temperature surroundings |
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