CN205137900U - Heat -pump water heater - Google Patents
Heat -pump water heater Download PDFInfo
- Publication number
- CN205137900U CN205137900U CN201520346512.3U CN201520346512U CN205137900U CN 205137900 U CN205137900 U CN 205137900U CN 201520346512 U CN201520346512 U CN 201520346512U CN 205137900 U CN205137900 U CN 205137900U
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- condenser
- hot water
- evaporimeter
- pump boiler
- teat pump
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Abstract
The utility model discloses a heat -pump water heater. This heat -pump water heater includes: static heating system (9) tentatively heats the water, the hot water of static heating system (9) preliminary heating is received in instant heating sterilization system (10), carries out secondary heating to the hot water that gets into instant heating sterilization system (10) and disinfects to hot water to after disinfecting is cooled down. According to the utility model discloses a heat -pump water heater can guarantee hydrothermal bactericidal effect to reduce the scald risk that high temperature goes out water.
Description
Technical field
The utility model relates to Refrigeration & Air-Conditioning equipment technical field, in particular to a kind of Teat pump boiler.
Background technology
The nominal leaving water temperature of " family expenses and similar applications Teat pump boiler " and " business or heat pump water-heating machine that is industrial and similar applications " 2 national standard equal specification heat pump water-heating machine products that current China promulgates is 55 DEG C, but be 65 DEG C being worth day, the American-European hot water effluent's temperature of developed countries that waits is also substantially all higher than 60 DEG C.
From Energy Angle, domestic hot-water's supply water temperature is lower to energy-conservation more favourable: one is that heat pump water-heating machine efficiency raises with the reduction of leaving water temperature; Two is that water temperature is low, and hot water supply system is less scaling, reduces heat transfer temperature difference, improves system energy efficiency.But from sanitation point, domestic hot-water's supply water temperature is higher more favourable to preventing bacteria breed, and wherein in hot water supply system, typical Thermophilic Bacteria is Legionella, and water temperature is higher, is more beneficial to killing of bacterium.
Correlative study shows: Legionella is killed the required time and is respectively 2500min, 380min, is less than 5min and is less than 1min under 45 DEG C, 50 DEG C, 60 DEG C and 70 DEG C of water temperature conditions, also point out that 60 DEG C is the critical-temperature of water end, only reaching and exceed this temperature could effective kill bacteria simultaneously.Therefore, in order to ensure bactericidal effect, leaving water temperature must be raised to more than 60 DEG C by existing product scheme, and be taken from low-temperature heat source from 55 DEG C of caloric receptivities being heated to more than 60 DEG C temperature range inner water tank hot water, not only cause the efficiency of heating surface lower, and due to the overall heating of hot water needs in water tank, but actual hot water amount may be wherein a part of, therefore also causes partial heat to be wasted.
Utility model content
There is provided a kind of Teat pump boiler in the utility model embodiment, the bactericidal effect of hot water can be ensured, and reduce the scald risk of high water temperature water outlet.
For achieving the above object, the utility model embodiment provides a kind of Teat pump boiler, comprising: static heating system, tentatively heats water body; Instant heating disinfection system, receives the preliminarily heated hot water of static heating system, carries out post bake sterilization, and lower the temperature to the hot water after sterilization to the hot water entering instant heating disinfection system.
As preferably, static heating system comprises the first compressor, the first condenser, the first evaporimeter and the first throttle device that are in turn connected to form refrigerant loop, and water body tentatively heats through the first condenser.
As preferably, instant heating disinfection system comprises the first compressor, the second condenser, the second evaporimeter and the second throttling arrangement that are in turn connected to form refrigerant loop, and hot water is through the second condenser post bake and through the second evaporimeter cooling.
As preferably, instant heating disinfection system comprises the second compressor, the second condenser, the second evaporimeter and the second throttling arrangement that are in turn connected to form refrigerant loop, and hot water is through the second condenser post bake and through the second evaporimeter cooling.
As preferably, static heating system comprises the first compressor, the first condenser, the first evaporimeter, the second evaporimeter and the first throttle device that are in turn connected to form refrigerant loop, water body tentatively heats through the first condenser, instant heating disinfection system comprises the first compressor, the second condenser, the first evaporimeter and the second evaporimeter that are in turn connected to form refrigerant loop, hot water through the second condenser post bake and through second evaporimeter cooling, the first evaporimeter and the second evaporator series.
As preferably, the second condenser is double-tube heat exchanger or plate type heat exchanger, and the second evaporimeter is double-tube heat exchanger or plate type heat exchanger.
As preferably, static heating system and/or instant heating disinfection system are provided with switch valve.
As preferably, the first condenser and the second condenser are connected to compressor by triple valve.
As preferably, Teat pump boiler also comprises water tank and hot water line, and water tank and the first condenser form heat exchange structure, and hot water line is connected to water tank, and hot water is delivered to user side after the first condenser, the second condenser and the second evaporator heat exchange.
Application the technical solution of the utility model, Teat pump boiler comprises: static heating system, tentatively heats water body; Instant heating disinfection system, receives the preliminarily heated hot water of static heating system, carries out post bake sterilization, and lower the temperature to the hot water after sterilization to the hot water entering instant heating disinfection system.During the work of this Teat pump boiler, when without hot water, tentatively can be heated hot water by static heating system, when needs use hot water, instant heating disinfection system can be started, by instant heating disinfection system, post bake is carried out to hot water, hot water temperature is made to reach sterilization temperature, good bactericidal effect can be played, then by instant heating disinfection system, the hot water being heated to higher temperature is lowered the temperature, hot water temperature can be avoided too high and cause scald risk.Due to by instant heating disinfection system only to needing the part hot water used to carry out pasteurization, therefore energy utilization rate can be improved, can improve the efficiency of pasteurization, improving the overall efficiency of Teat pump boiler simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the Teat pump boiler of the utility model first embodiment;
Fig. 2 is the structure principle chart of the Teat pump boiler of the utility model second embodiment;
Fig. 3 is the control principle drawing of the Teat pump boiler of the utility model embodiment.
Description of reference numerals: 1, compressor; 2, the first condenser; 3, first throttle device; 4, the first evaporimeter; 5, the second condenser; 6, the second throttling arrangement; 7, the second evaporimeter; 8, hot water line; 9, static heating system; 10, instant heating disinfection system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
Shown in Figure 1, according to the first embodiment of the present utility model, Teat pump boiler comprises static heating system 9 and instant heating disinfection system 10, and static heating system 9 pairs of water bodys tentatively heat, make water temperature to reach uniform temperature, form preliminary heat hot water; Instant heating disinfection system 10 receives the preliminarily heated hot water of static heating system 9, carries out post bake sterilization, and lowers the temperature to the hot water after sterilization, so that user takes to the hot water entering instant heating disinfection system 10.
If use the Teat pump boiler of this embodiment, when without hot water, tentatively can be heated by static heating system 9 pairs of hot water, when needs use hot water, instant heating disinfection system 10 can be started, carry out post bake by instant heating disinfection system 10 pairs of hot water, hot water temperature is made to reach sterilization temperature, good bactericidal effect can be played, and then by instant heating disinfection system 10, the hot water being heated to higher temperature is lowered the temperature, hot water temperature can be avoided too high and cause scald risk.Due to by instant heating disinfection system 10 only to needing the part hot water used to carry out pasteurization, therefore energy utilization rate can be improved, can improve the efficiency of pasteurization, improving the overall efficiency of Teat pump boiler simultaneously.
Static heating system 9 comprises the first compressor 1, first condenser 2, first evaporimeter 4 and the first throttle device 3 being in turn connected to form refrigerant loop, and water body tentatively heats through the first condenser 2.
Instant heating disinfection system 10 comprises the first compressor 1, second condenser 5, second evaporimeter 7 and the second throttling arrangement 6 being in turn connected to form refrigerant loop, and hot water is through the second condenser 5 post bake and lower the temperature through the second evaporimeter 7.These two systems are conventional air conditioner heat exchange system, and therefore Technical comparing is ripe, can reduce the cost of processing and design.
In the present embodiment, two cover systems share a compressor, can reduce the quantity of compressor, reduce the cost of Teat pump boiler.
When Teat pump boiler work enters static heating mode, start static heating system 9, and close instant heating disinfection system 10, tentatively heated by the first condenser 2 pairs of hot water, thus prestore the enough hot water with uniform temperature, ensure to use during hot water can provide enough water in time at needs, hot water temperature can be made to be climbed to sterilization temperature.Under static heating mode, cold-producing medium flows along static heating system 9, and the cold-producing medium of discharging from the first compressor 1 flows through the first condenser 2, carries out heat exchange, heat, make water body become preliminarily heated hot water to water body in the first condenser 2 with water body.Condensation of refrigerant after heat exchange is liquid, and through first throttle device 3 throttling expansion, in the first evaporimeter 4, heat absorption evaporation, then enters in the first compressor 1 and compress.In the process of refrigerant circulation flowing, the heating to hot water can be realized.Now because user is without the need to using hot water, the mode of relative energy-saving therefore can be adopted to raise at a slow speed to make water temperature.Adopt the mode of static heating generally hot water temperature can be heated to 35-55 DEG C.
When needs use hot water, Teat pump boiler work enters instant heating sterilization mode, starts instant heating disinfection system 10, and closes static heating system 9.Under thermal sterilization pattern in sight, from first compressor 1 discharge cold-producing medium through the second condenser 5, dispel the heat in the second condenser 5, heat exchange is carried out to flowing out the higher temperature hot water (35-55 DEG C) entering the second condenser 5 from the first condenser 2, hot water is heated again, cold-producing medium is condensed into liquid after heat exchange, then through the second throttling arrangement 6 throttling expansion, again heat exchange is carried out with the hot water through the second condenser 5 heat exchange in the second evaporimeter 7, then flash to gas flow first compressor 1, compress in the first compressor 1.In the process, compress in the first compressor 1 after the heat that refrigerant suction hot water distributes, therefore can realize heat recovery, improve system energy efficiency.
On the basis that the first condenser 2 heats, post bake is carried out to hot water by the second condenser 5, hot water temperature can be climbed to and reach sterilization temperature, good bactericidal effect can be played.Sterilization temperature in the present embodiment is more than 60 DEG C, and sterilization temperature herein also can regulate according to the difference of the conditions such as environment for use.After completing sterilization, can be lowered the temperature to the hot water being heated to higher temperature by the second evaporimeter 7, general hot water temperature is reduced to 42-58 DEG C, avoids hot water temperature too high and causes scald risk.
By above-mentioned steps, the better coordination between user side leaving water temperature and bactericidal effect can be realized, make user side leaving water temperature lower, but bactericidal effect is good, improves the experience of user better.
Due to only pasteurization can be carried out to the part hot water that needs use by the second condenser 5, therefore can reduce and need to carry out direct-fired hot water amount by the second condenser 5, energy utilization rate can be improved, the efficiency of pasteurization can be improved simultaneously, improve the overall efficiency of Teat pump boiler.
Static heating system 9 and/or instant heating disinfection system 10 are provided with switch valve, therefore can control the startup of static heating system 9 and instant heating disinfection system 10 by switch valve and stop action.In the work of reality, if the refrigerant compression amount of the first compressor 1 allows, static heating system 9 and instant heating disinfection system 10 can be kept to run simultaneously, while tentatively heated by the first condenser 2, while carry out sterilization by the second condenser 5, so just can ensure that Teat pump boiler can provide more substantial hot water, meet the more substantial hot water demand of user.
In one drawing in unshowned embodiment, instant heating disinfection system 10 comprises the second compressor, the second condenser 5, second evaporimeter 7 and the second throttling arrangement 6 that are in turn connected to form refrigerant loop, and hot water is through the second condenser 5 post bake and lower the temperature through the second evaporimeter 7.Now static heating system 9 and instant heating disinfection system 10 carry out the compression of cold-producing medium respectively by the first compressor 1 and the second compressor, because the refrigerant circulation of static heating system 9 born by the first compressor 1 need, second compressor only need bear the refrigerant circulation of instant heating disinfection system 10, therefore, it is possible to ensure that two cover systems all have enough energy supplies, enough refrigerant compression amounts can be provided, thus the hot water that Teat pump boiler continues to provide enough a large amount of can be ensured.
Preferably, the water capacity of the second condenser 5 is less than the water capacity of the first condenser 2, make to enter hot water that the second condenser 5 carries out heat exchange and be less than hot water amount in the first condenser 2, the efficiency of heating surface of the second condenser 5 can be ensured, ensure the continuation of hot water supply, and reduce the energy dissipation in the Teat pump boiler course of work.
Second condenser 5 is double-tube heat exchanger or plate type heat exchanger, and the second evaporimeter 7 is double-tube heat exchanger or plate type heat exchanger, can realize hot water and the heat exchange between the second condenser 5 and the second evaporimeter 7 easily.
First throttle device 3 is electric expansion valve, heating power expansion valve or capillary, and the second throttling arrangement 6 is electric expansion valve, heating power expansion valve or capillary.
First compressor 1 is frequency-changeable compressor, invariable frequency compressor or variable conpacitance compressor.
The start and stop of static heating system 9 and instant heating disinfection system 10 also can be realized by the throttling arrangement be arranged on loop.
In a unshowned in the drawings embodiment, the first condenser 2 and the second condenser 5 also can be connected to the first compressor 1 by triple valve jointly, and control the work of static heating system 9 and instant heating disinfection system 10 by triple valve.
Teat pump boiler can also comprise water tank and hot water line 8, and water tank and the first condenser 2 form heat exchange structure, and hot water line 8 is connected to water tank, and hot water is delivered to user side after the first condenser 2, second condenser 5 and the second evaporimeter 7 heat exchange.Certainly, also directly the first condenser 2 can be arranged larger hot water capacity, the first condenser 2 be used as water tank, realizes the storage of hot water.
In conjunction with shown in Figure 2, according to the second embodiment of the present utility model, static heating system 9 comprises the first compressor 1, first condenser 2, first evaporimeter 4, second evaporimeter 7 and the first throttle device 3 being in turn connected to form refrigerant loop, water body tentatively heats through the first condenser 2, instant heating disinfection system 10 comprises the first compressor 1, second condenser 5, first evaporimeter 4, second evaporimeter 7 and the first throttle device 3 being in turn connected to form refrigerant loop, and hot water is through the second condenser 5 post bake and lower the temperature through the second evaporimeter 7.Hot water is delivered to user side by hot water line 8 after the first condenser 2, second condenser 5 and the second evaporimeter 7 heat exchange.Because the first evaporimeter 4 is not identical with operation principle with the structure of the second evaporimeter 7, therefore two evaporimeters are set, and by these two evaporator series, the first evaporimeter 4 and the second evaporimeter 7 can be utilized to carry out heat exchange when carrying out static state heating simultaneously, improve the heat exchange efficiency of static heating system, when carrying out being thermal sterilization, only utilizing the second evaporimeter 7 pairs of hot water to lower the temperature, the normal table work of Teat pump boiler can be ensured.
When not using hot water, the pipeline between the second condenser 5 and the first evaporimeter 4 can be closed, and close hot water line 8, cold-producing medium be run in static heating system 9, realizes the heat exchange between the first condenser 2 and hot water.When needs use hot water, the pipeline between the second condenser 5 and the second evaporimeter 7 can be opened, open hot water line 8, close the pipeline between the first condenser 2 and the first evaporimeter 4 simultaneously, start instant heating disinfection system 10, realize the heating of the second condenser 5 pairs of hot water and the cooling of the second evaporimeter 7 pairs of hot water.
Static heating system 9 and instant heating disinfection system 10 can share first throttle device 3, in such cases, the outlet of the second condenser 5 is needed to be connected to the entrance of first throttle device 3, thus ensure that first throttle device 3 can play throttling action to instant heating disinfection system 10, between the refrigerant outlet that the control valve now controlling the pipeline break-make between the first condenser 2 and the first evaporimeter 4 should be arranged on the first condenser 2 and the refrigerant inlet of first throttle device 3.
Second throttling arrangement 6 also can be set again herein, static heating system 9 carries out throttling by first throttle device 3 in such cases, instant heating disinfection system 10 carries out throttling by the second throttling arrangement 6, and the control valve therefore controlling the pipeline break-make between the first condenser 2 and the first evaporimeter 4 is arranged between the refrigerant outlet of the first condenser 2 and the first evaporimeter 4.
Whether, in conjunction with shown in Figure 3, according to embodiment of the present utility model, the control method of Teat pump boiler comprises: step S1: detect and need with hot water; Step S2: if need hot water be used, close static heating system 9, start instant heating disinfection system 10, the hot water that static heating system 9 is heated enters instant heating disinfection system 10 post bake to the first preset temperature, the second preset temperature is cooled to afterwards by instant heating disinfection system 10, export hot water, wherein the first preset temperature is greater than the second preset temperature; Step S3: if without the need to using hot water, closes instant heating disinfection system 10, opens static heating system 9, heat hot water; Step S4: return step S1.
Cooperatively interacted by static heating system 9 and instant heating disinfection system 10, the pasteurization to hot water can be realized easily, and can lower the temperature to hot water when hot water effluent, the serviceability temperature making hot water reach suitable, ensure that the comfortableness that hot water uses.The first preset temperature is herein greater than 60 DEG C, and the second preset temperature is between 42 to 58 DEG C.
In the process of Teat pump boiler work, can detect the need of use hot water in the moment, and select corresponding control strategy according to the result detected.Certainly, also switch can being used to associate with hot water herein, using the work of start and stop to Teat pump boiler of switch to control by detecting hot water.
Certainly, be more than preferred embodiment of the present utility model.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model general principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (9)
1. a Teat pump boiler, is characterized in that, comprising:
Static heating system (9), tentatively heats water body;
Instant heating disinfection system (10), receive the preliminarily heated hot water of described static heating system (9), post bake sterilization is carried out to the described hot water entering described instant heating disinfection system (10), and the hot water after sterilization is lowered the temperature.
2. Teat pump boiler according to claim 1, it is characterized in that, described static heating system (9) comprises the first compressor (1), the first condenser (2), the first evaporimeter (4) and the first throttle device (3) that are in turn connected to form refrigerant loop, and described water body tentatively heats through described first condenser (2).
3. Teat pump boiler according to claim 2, it is characterized in that, described instant heating disinfection system (10) comprises the first compressor (1), the second condenser (5), the second evaporimeter (7) and the second throttling arrangement (6) that are in turn connected to form refrigerant loop, and described hot water is through described second condenser (5) post bake and through described second evaporimeter (7) cooling.
4. Teat pump boiler according to claim 2, it is characterized in that, described instant heating disinfection system (10) comprises the second compressor, the second condenser (5), the second evaporimeter (7) and the second throttling arrangement (6) that are in turn connected to form refrigerant loop, and described hot water is through described second condenser (5) post bake and through described second evaporimeter (7) cooling.
5. Teat pump boiler according to claim 1, it is characterized in that, described static heating system (9) comprises the first compressor (1) being in turn connected to form refrigerant loop, first condenser (2), first evaporimeter (4), second evaporimeter (7) and first throttle device (3), described water body tentatively heats through described first condenser (2), described instant heating disinfection system (10) comprises the first compressor (1) being in turn connected to form refrigerant loop, second condenser (5), first evaporimeter (4) and the second evaporimeter (7), described hot water is through described second condenser (5) post bake and through described second evaporimeter (7) cooling, described first evaporimeter (4) and described second evaporimeter (7) series connection.
6. the Teat pump boiler according to any one of claim 3 to 5, is characterized in that, described second condenser (5) is double-tube heat exchanger or plate type heat exchanger, and described second evaporimeter (7) is double-tube heat exchanger or plate type heat exchanger.
7. Teat pump boiler according to claim 1, is characterized in that, described static heating system (9) and/or described instant heating disinfection system (10) are provided with switch valve.
8. Teat pump boiler according to claim 3, is characterized in that, described first condenser (2) and described second condenser (5) are connected to described compressor (1) by triple valve.
9. the Teat pump boiler according to claim 3 or 4, it is characterized in that, described Teat pump boiler also comprises water tank and hot water line (8), described water tank and described first condenser (2) form heat exchange structure, described hot water line (8) is connected to described water tank, and described hot water is delivered to user side after described first condenser (2), described second condenser (5) and described second evaporimeter (7) heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346512.3U CN205137900U (en) | 2015-05-26 | 2015-05-26 | Heat -pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346512.3U CN205137900U (en) | 2015-05-26 | 2015-05-26 | Heat -pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205137900U true CN205137900U (en) | 2016-04-06 |
Family
ID=55623690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520346512.3U Expired - Fee Related CN205137900U (en) | 2015-05-26 | 2015-05-26 | Heat -pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205137900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930704A (en) * | 2015-05-26 | 2015-09-23 | 珠海格力电器股份有限公司 | Heat pump water heater and control method thereof |
| CN108065775A (en) * | 2016-11-11 | 2018-05-25 | 珠海格力电器股份有限公司 | Water dispenser |
-
2015
- 2015-05-26 CN CN201520346512.3U patent/CN205137900U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930704A (en) * | 2015-05-26 | 2015-09-23 | 珠海格力电器股份有限公司 | Heat pump water heater and control method thereof |
| CN108065775A (en) * | 2016-11-11 | 2018-05-25 | 珠海格力电器股份有限公司 | Water dispenser |
| CN108065775B (en) * | 2016-11-11 | 2024-04-09 | 珠海格力电器股份有限公司 | Water dispenser |
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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: 20160406 |