CN203478621U - Anti-frozen controller used in heat pump water heater - Google Patents
Anti-frozen controller used in heat pump water heater Download PDFInfo
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- CN203478621U CN203478621U CN201320493880.1U CN201320493880U CN203478621U CN 203478621 U CN203478621 U CN 203478621U CN 201320493880 U CN201320493880 U CN 201320493880U CN 203478621 U CN203478621 U CN 203478621U
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Abstract
The utility model discloses an anti-frozen controller used in a heat pump water heater. The anti-frozen controller is connected with a water heater main board and comprises a controller main control unit, a water flow switching input end (23), an environment temperature sensor input end (18), a condenser internal temperature sensor input end (19) and an inlet water temperature sensor input end (10). The controller main control unit is provided with a water pump control port (14), a three-way-valve control port (15), a heat-following-band control port (16), a four-way-valve control port (17) and a fault output port (13), wherein the water pump control port (14), the three-way-valve control port (15), the heat-following-band control port (16), the four-way-valve control port (17) and the fault output port (13) are connected to the water heater main board. The water flow switching input end (23) is arranged on the controller main control unit and connected to a water flow switch, the environment temperature sensor input end (18) is connected to an environment temperature sensor, the condenser internal temperature sensor input end (19) is connected to a condenser internal temperature sensor, and the inlet water sensor input end (20) is connected to an inlet water temperature sensor. According to the anti-frozen controller, anti-freezing work and alarm work can be effectively and well done, a condenser is prevented from being scrapped, energy is sufficiently saved, and the anti-frozen controller can be matched with the heat pump water heater in any type to carry out freezing prevention, and is good in universality.
Description
Technical field
The utility model relates to domestic hot water's machine field, more particularly, relates to a kind of deicing controllor for heat pump water-heating machine.
Background technology
Heat pump water-heating machine is by marketing for many years, large-scale popularization on northern market now, and the energy saving of product has obtained user's approval.
But, through the air-source heat pump hot water group of different manufacturers on market is followed the tracks of to understanding, find many customer responsiveness heat-pump hot-waters because improper use do not carry out in time discharge water antifreeze, thereby occur that water side is freezing, water immerses in refrigerant system, thereby occur that whole unit can not keep in repair, cause the situation of product rejection etc.Described fault has become user, dealer, the very scabrous problem of heat pump factory.
Through carefully analyzing, discovery causes the freezing possibility of unit to have two: the one, because winter, outdoor environment temperature was very low, temperature is lower than the apparent freezing point of water, when unit has heated shutdown, because of disorderly closedown or because of power-off shutdown, because the water in water-side heat now can not circulate, and water does not emit by producer's requirement, after long period, the possibility that just occurs the water freezing of water system, once freeze, the water heating heat exchanger of heat-pump hot-water unit (the particularly very narrow plate type heat exchanger of water stream channel) is just easily damaged by frost, cause whole unit to damage, lose very serious.
Another one reason is, winter environment air themperature is very low, and conventionally below 7 ℃, during net for air-source heat pump units operation, if the humidity of air is higher, the fin of air heat exchanger may frosting.To this, equipment manufacturer can be by controlling to defrost to system reverse conventionally.Yet when carrying out inverted running, system can absorb heat from water, cause water temperature to reduce, now, if fouling or local obstruction appear in water heating heat exchanger inside, the water in part passage just can not circulate.When particularly water temperature is lower, along with the decline gradually of water temperature, also likely occur to freeze, this also can freezing heat exchanger, and whole unit is damaged, and loses very serious.
Utility model content
For solving above-mentioned this contingent ice formation issues all at any time, the utility model provides a kind of deicing controllor for heat pump water-heating machine, the utility model is again to provide a kind of antifreeze control method for heat pump water-heating machine, according to the utility model, can prevent that therefore unit is subject to badly damaged.
A kind of deicing controllor for heat pump water-heating machine, described heat pump water-heating machine comprises and connects successively compressor 1, cross valve 2, condenser 3, reservoir 8, expansion valve 9, evaporimeter 24, cross valve 2, gas-liquid separator 10, finally get back to the working medium circulation loop of compressor 1, comprise condenser 3, the heating water closed circuit of attemperater 4 and water pump 7, comprise the hot water machine mainboard of controlling each parts, on described condenser 3, be provided with can heating-condensing device 3 heating tape 11, between described attemperater 4 and water pump 7, be provided with triple valve 5, described triple valve 5 one ports are connected with draining valve 6 that can emptying condenser 3,
It is characterized in that: described deicing controllor is connected with hot water machine mainboard, described deicing controllor comprises controller main control unit, described controller main control unit is provided with the water pump control port 14 that is connected to hot water machine mainboard, triple valve control port 15, heating tape control port 16, cross valve control port 17, failure output terminal mouth 13; The water flow switch input 23 that is connected to water flow switch that described controller main control unit is provided with, be connected to the environment temperature sensor input 18 of environment temperature sensor, be connected to the condenser internal temperature sensor input 19 and the inflow temperature sensor input 20 that is connected to inflow temperature sensor of condenser internal temperature sensor.
According to a kind of deicing controllor for heat pump water-heating machine described in the utility model, it is characterized in that, a kind of heat pump water-heating machine that can be antifreeze as claimed in claim 1, it is characterized in that, on described controller main control unit, be provided with electrical storage device 21 and provide the transformer 22 of charge power supply for electrical storage device 21.
According to a kind of deicing controllor for heat pump water-heating machine described in the utility model, it is characterized in that, described deicing controllor is connected with hot water machine mainboard with RS-485 interface.
According to a kind of deicing controllor for heat pump water-heating machine described in the utility model, antifreeze control method is as follows,
(1) when detecting environment temperature, deicing controllor during lower than 3 degrees Celsius, opens heating tape and water pump lower than 0 degree Celsius, condenser internal temperature; When condenser internal temperature is during higher than 10 degrees Celsius, close heating tape and water pump,
(2) when deicing controllor is when water pump to be detected be closed condition, environment temperature lower than 0 degree Celsius, inflow temperature lower than 3 degrees Celsius, open water pump; When water pump is opening, inflow temperature during higher than 15 degrees Celsius, switch off the pump,
(3), when power supply disconnects, during triple valve dead electricity, condenser and draining valve are connected, are disconnected with attemperater, get rid of condenser and ducted water; Work as power connection, triple valve obtains when electric, and condenser and attemperater are connected, disconnected with draining valve, normal water heating and antifreeze circulation,
(4) when defrosting signal has input, water flow switch disconnection or condenser internal temperature lower than 3 degrees Celsius, close cross valve output, exit defrosting.
According to the utility model, in heat pump water-heating machine engineering, install and use, can identify in time the various information of heat pump water-heating machine inside, the environment temperature, condenser temperature, the inflow temperature that by self, detect simultaneously, judge exactly whether carry out antifreeze, effectively coordinate with electrical storage device, can effectively carry out antifreeze and warning work, avoid condenser to scrap, fully energy-conservation, solve the problem of northern area puzzlement client preventing freeze in winter, can coordinate with the heat pump water-heating machine of any producer, disposable type antifreezely, versatility is good.
According to the utility model, in heat pump water-heating machine engineering, install and use, can identify in time the various information of heat pump water-heating machine inside, the environment temperature, condenser temperature, the inflow temperature that by self, detect simultaneously, judge exactly whether carry out antifreeze, effectively coordinate with electrical storage device, can effectively carry out antifreeze and warning work, avoid condenser to scrap, fully energy-conservation, solve the problem of northern area puzzlement client preventing freeze in winter, can coordinate with the heat pump water-heating machine of any producer, disposable type antifreezely, versatility is good.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram of application heat pump water-heating machine of the present utility model.
Fig. 2 is a kind of deicing controllor structural representation for heat pump water-heating machine of the present utility model.
Wherein 1 is compressor, and 2 is cross valve, and 3 is condenser.4 is attemperater, 5 is triple valve, 6 is draining valve, 7 is water pump, 8 is reservoir, 9 is expansion valve, 10 is gas-liquid separator, 11 is heating tape, 12 is controller main control unit, 13 is failure output terminal mouth, 14 is water pump control port, 15 is triple valve control port, 16 is heating tape control port, 17 is cross valve control port, 18 is environment temperature sensor input, 19 is condenser internal temperature sensor input, 20 is inflow temperature sensor input, 21 is electrical storage device, 22 is transformer, 23 is water flow switch input, 24 is evaporimeter.
The specific embodiment
Embodiment
A kind of deicing controllor for heat pump water-heating machine, comprise the first loop and with the second servo loop of described the first circuit communication, described the first loop connects compressor, cross valve, gas-liquid separator successively, finally get back to compressor and form loop, described second servo loop starts to connect successively condenser, attemperater, triple valve, water pump, condenser, reservoir, expansion valve, evaporimeter from described cross valve, finally gets back to described cross valve.Described a kind of deicing controllor for heat pump water-heating machine also comprises deicing controllor; On described condenser, be provided with heatable heating tape; Described triple valve one port is connected with draining valve.
Deicing controllor detects environment temperature and is-5 degrees Celsius, and condenser internal temperature is 2 degrees Celsius simultaneously, opens heating tape and water pump; Condenser internal temperature reaches 11 degrees Celsius, closes heating tape and water pump.
It is closed condition that deicing controllor detects water pump, simultaneously environment temperature for-5 degrees Celsius, inflow temperature be 2 degrees Celsius, open water pump; It is that opening, inflow temperature are 16 degrees Celsius that deicing controllor detects water pump, switches off the pump.
Triple valve dead electricity, condenser and draining valve port are connected, and attemperater disconnects, and gets rid of condenser and ducted water.
Triple valve obtains electric, and condenser and attemperater are connected, and draining valve disconnects, normal water heating and antifreeze circulation.
Defrosting signal has input, and water flow switch disconnects, and closes cross valve output, exits defrosting.
Defrosting signal has input, and condenser internal temperature is 2 degrees Celsius, closes cross valve output, exits defrosting.
According to the utility model, while installing and using in heat pump water-heating machine engineering, can identify in time the various information of heat pump water-heating machine inside, the environment temperature, condenser temperature, the inflow temperature that by self, detect simultaneously, judge exactly whether carry out antifreeze, effectively coordinate with electrical storage device, can effectively carry out antifreeze and warning work, avoid condenser to scrap, fully energy-conservation, solve the problem of northern area puzzlement client preventing freeze in winter, can coordinate with the heat pump water-heating machine of any producer, disposable type antifreezely, versatility is good.
Claims (3)
1. the deicing controllor for heat pump water-heating machine, described heat pump water-heating machine comprises and connects successively compressor (1), cross valve (2), condenser (3), reservoir (8), expansion valve (9), evaporimeter (24), cross valve (2), gas-liquid separator (10), finally get back to the working medium circulation loop of compressor (1), comprise condenser (3), the heating water closed circuit of attemperater (4) and water pump (7), comprise the hot water machine mainboard of controlling each parts, on described condenser (3), be provided with can heating-condensing device (3) heating tape (11), between described attemperater (4) and water pump (7), be provided with triple valve (5), described triple valve (5) one ports are connected with draining valve (6) that can emptying condenser (3),
It is characterized in that: described deicing controllor is connected with hot water machine mainboard, described deicing controllor comprises controller main control unit, described controller main control unit is provided with the water pump control port (14) that is connected to hot water machine mainboard, triple valve control port (15), heating tape control port (16), cross valve control port (17), failure output terminal mouth (13); The water flow switch input (23) that is connected to water flow switch that described controller main control unit is provided with, be connected to the environment temperature sensor input (18) of environment temperature sensor, be connected to the condenser internal temperature sensor input (19) of condenser internal temperature sensor and be connected to the inflow temperature sensor input (20) of inflow temperature sensor.
2. a kind of deicing controllor for heat pump water-heating machine as claimed in claim 1, it is characterized in that, a kind of heat pump water-heating machine that can be antifreeze as claimed in claim 1, it is characterized in that, on described controller main control unit, be provided with electrical storage device (21) and provide the transformer (22) of charge power supply for electrical storage device (21).
3. a kind of deicing controllor for heat pump water-heating machine as claimed in claim 1, is characterized in that, described deicing controllor is connected with hot water machine mainboard with RS-485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320493880.1U CN203478621U (en) | 2013-08-13 | 2013-08-13 | Anti-frozen controller used in heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320493880.1U CN203478621U (en) | 2013-08-13 | 2013-08-13 | Anti-frozen controller used in heat pump water heater |
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| Publication Number | Publication Date |
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| CN203478621U true CN203478621U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320493880.1U Expired - Lifetime CN203478621U (en) | 2013-08-13 | 2013-08-13 | Anti-frozen controller used in heat pump water heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042853A (en) * | 2014-04-18 | 2015-11-11 | 松下知识产权经营株式会社 | Heat pump water heater |
| WO2020098057A1 (en) * | 2018-11-12 | 2020-05-22 | 珠海格力电器股份有限公司 | Heat recovery system and defrosting control method |
| CN111237972A (en) * | 2020-01-19 | 2020-06-05 | 珠海格力电器股份有限公司 | Anti-freezing control method and device for generator and air conditioning unit |
-
2013
- 2013-08-13 CN CN201320493880.1U patent/CN203478621U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042853A (en) * | 2014-04-18 | 2015-11-11 | 松下知识产权经营株式会社 | Heat pump water heater |
| CN105042853B (en) * | 2014-04-18 | 2018-11-16 | 松下知识产权经营株式会社 | Teat pump boiler |
| WO2020098057A1 (en) * | 2018-11-12 | 2020-05-22 | 珠海格力电器股份有限公司 | Heat recovery system and defrosting control method |
| CN111237972A (en) * | 2020-01-19 | 2020-06-05 | 珠海格力电器股份有限公司 | Anti-freezing control method and device for generator and air conditioning unit |
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Granted publication date: 20140312 |