CN202562032U - Circulation and direct heating integration heat pump hot-water machine set - Google Patents

Circulation and direct heating integration heat pump hot-water machine set Download PDF

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Publication number
CN202562032U
CN202562032U CN201220252534XU CN201220252534U CN202562032U CN 202562032 U CN202562032 U CN 202562032U CN 201220252534X U CN201220252534X U CN 201220252534XU CN 201220252534 U CN201220252534 U CN 201220252534U CN 202562032 U CN202562032 U CN 202562032U
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water
switch
directly
circulating
heat pump
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CN201220252534XU
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Chinese (zh)
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黄道德
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Zhejiang Ama & Hien Technology Co Ltd
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Zhejiang Ama & Hien Technology Co Ltd
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Abstract

The utility model provides a circulation and direct heating integration heat pump hot-water machine set which is stable in current power and reasonable in structure under the circumstance that no water pumps are added. The circulation and direct heating integration heat pump hot-water machine set comprises a host machine and a heat preservation water tank, wherein a refrigerant access end of a compressor is communicated with an outflow end of a vaporizer, an outflow end of the compressor is communicated with a refrigerant access end of the vaporizer through a tube pass of a condenser, and a shell pass outlet of the condenser is communicated with an inlet of the heat preservation water tank; a direct heating branch and a circulation branch which are arranged in parallel are connected between a shell pass inlet of the condenser and an outflow end of a water pump, a third switch device is disposed on the direct heating branch, and a first switch device is arranged on the circulation branch; a water inlet end of the water pump is communicated with a circulation water outlet of the heat preservation water tank, and a second switch device is arranged between the water inlet end of the water pump and the circulation water outlet of the heat preservation water tank; a water inlet branch communicated with a water pipeline is further arranged between the second switch device and the water pump.

Description

Circulating and directly-heated type integrated heat pump hot water unit
Technical field
The present invention relates to a kind of heat-pump hot-water unit, relate in particular to a kind of circulating and directly-heated type integrated heat pump hot water unit.
Background technology
Heat pump product thermal source is from air, so the same water yield, all lack low noise with the water temperature Teat pump boiler than general traditional hot wetting system institute power consumption source; Long-life; Operating cost is 1/4 of an electric heater, 1/3 of natural gas boiler, oil burning boiler, coal-burning boiler, 1/2 of solar water heater.And when making hot water, what exhaust outlet was discharged is cold wind, and this cold wind can also effectively utilize.
The air-source heat pump hot water group can be divided into directly-heated type and circulating by the mode of heating, wherein:
The evaporimeter of directly-heated type air-source heat pump hot water group and condenser are all in main frame; Cold water flows directly into main frame; Through disposable preset temperature 55 degree that directly are heated to of condenser, under the self-applying of cold water pressure, directly deliver in the attemperater then; Can keep leaving water temperature like this is 55 degree, and energy-saving effect is better; But, when the water temperature in the attemperater drops to setting value, also to be withdrawn into main frame heating or the auxilliary heating of electricity consumption with water pump.
The evaporimeter of circulating air-source heat pump hot water group and condenser are all in main frame; During water filling cold water is directly to enter in the attemperater, rather than water is injected main frame, is withdrawn into the main frame heating through water pump; Therefore, must want a circulating pump in circulating air-source heat pump hot water group more.The Energy Efficiency Ratio of circulating air-source heat pump hot water group is higher than directly-heated type air-source heat pump hot water group because the temperature that will increase more near original temperature, thermal conduction effect is good more, efficiency is also high more.But circulating air-source heat pump hot water group energy consumption is high.
Summary of the invention
For this reason; Technical problem to be solved by this invention is that there are its shortcoming in independent use directly-heated type air-source heat pump hot water group of the prior art and circulating air-source heat pump hot water group; And then a kind of overcome directly-heated type air-source heat pump hot water group and the existing shortcoming of circulating air-source heat pump hot water group be provided, the circulating and directly-heated type integrated heat pump hot water unit of the advantage of comprehensive directly-heated type air-source heat pump hot water group and circulating air-source heat pump hot water group.
For solving the problems of the technologies described above, a kind of circulating and directly-heated type integrated heat pump hot water unit of the present invention comprises the main frame of being made up of evaporimeter, condenser and compressor; And attemperater, said attemperater is provided with water inlet, delivery port and circulating outlet; The refrigerant upstream end of said compressor is communicated with the refrigerant outflow end of said evaporimeter; The refrigerant outflow end of said compressor is communicated with the refrigerant upstream end of said evaporimeter through the tube side of said condenser, and the shell side delivery port of said condenser is communicated with the water inlet of said attemperater; Also be provided with a water pump between the shell side water inlet of said condenser and the circulating outlet of said attemperater; Between the water inlet of the shell side of the water side of said water pump and said condenser, be connected in parallel and be provided with directly-heated branch road and circulation branch road; Said directly-heated branch road is provided with the 3rd switching device, and said circulation branch road is provided with first switching device; Between the circulating outlet of said water pump water inlet end and said attemperater, be provided with the second switch device; Between said second switch device and said water pump, also be provided with into water branch road, said water inlet branch road is communicated with tap water pipe line.
Also be provided with the gate valve that is used to control the inflow directly-heated branch road water yield between the shell side water inlet of said the 3rd switching device and said condenser, the aperture that said gate valve gets into the water yield is to be controlled by the pressure of said compressor.
Between the circulating outlet of said water pump water inlet end and said attemperater, be provided with the closed circuit check-valves, said closed circuit check-valves control current flow towards the water pump direction.
Said water inlet branch road is provided with water inlet switch device and water inlet check-valves, and said water inlet check-valves control current flow towards the water pump direction.
Said first switching device, said second switch device and said the 3rd switching device are magnetic valve.
Also comprise the control system; Said control system is electrically connected with said main frame, said the 3rd switching device, said first switching device, water inlet switch device and said second switch device respectively; Be used to control the work of said main frame or stop the disconnection or the closure of said the 3rd switching device and said first switching device, water inlet switch device and said second switch device.
Between the water inlet of the shell side delivery port of said condenser and said attemperater, be provided with target stream switch, be used on this branch road, breaking off when anhydrous said target stream switch.
Said target stream switch is electrically connected with said control system.
Be provided with high water level switch and low-water level switch in the said attemperater, said high water level switch and low-water level switch are electrically connected with said control system.
Be provided with temperature sensor in the said attemperater, said temperature sensor is electrically connected with said control system.
Between said the 3rd switch and said gate valve, be provided with hydraulic pressure switch, said hydraulic pressure switch is electrically connected with said control system.
Technique scheme of the present invention is compared prior art and is had the following advantages,
1. in the utility model said circulating and directly-heated type integrated heat pump hot water unit, a kind of circulating and directly-heated type integrated heat pump hot water unit comprise the main frame of being made up of evaporimeter, condenser and compressor; And attemperater, said attemperater is provided with water inlet, delivery port and circulating outlet; The refrigerant upstream end of said compressor is communicated with the refrigerant outflow end of said evaporimeter; The refrigerant outflow end of said compressor is communicated with the refrigerant upstream end of said evaporimeter through the tube side of said condenser, and the shell side delivery port of said condenser is communicated with the water inlet of said attemperater; Also be provided with a water pump between the shell side water inlet of said condenser and the circulating outlet of said attemperater; Between the water inlet of the shell side of the water side of said water pump and said condenser, be connected in parallel and be provided with directly-heated branch road and circulation branch road; Said directly-heated branch road is provided with the 3rd switching device, and said circulation branch road is provided with first switching device; Between the circulating outlet of said water pump water inlet end and said attemperater, be provided with the second switch device; Between said second switch device and said water pump, also be provided with into water branch road; Said water inlet branch road is communicated with tap water pipe line; Be that said circulating and directly-heated type integrated heat pump hot water unit are incorporated into circulating and heaterless heating mode in the hot water unit; Overcome independent use directly-heated type air-source heat pump hot water group and the existing shortcoming of circulating air-source heat pump hot water group, the advantage of comprehensive directly-heated type air-source heat pump hot water group and circulating air-source heat pump hot water group.
2. in the utility model said circulating and directly-heated type integrated heat pump hot water unit, between the circulating outlet of said water pump water inlet end and said attemperater, be provided with the closed circuit check-valves, refluence in the time of can preventing that running water from working under circulation pattern.
3. in the utility model said circulating and directly-heated type integrated heat pump hot water unit, said water inlet branch road is provided with into water check-valves, can prevent to flow backwards when running water from working under the directly-heated pattern.
4. in the utility model said circulating and directly-heated type integrated heat pump hot water unit; Also comprise the control system; Said control system is electrically connected with said the 3rd switching device, said first switching device, water inlet switch device and said second switch device, is used to control the disconnection or the closure of said the 3rd switching device, said first switching device, water inlet switch device and said second switch device, thereby can realizes Based Intelligent Control; Need not manual work remove switch, easy to operate; Also be provided with between the shell side water inlet of said the 3rd switching device and said condenser and be used to control the gate valve that flows into the directly-heated branch road water yield; The aperture that said gate valve gets into the water yield is to be controlled by the pressure of said compressor, guarantees that the hot water of being produced remains on the temperature of setting.
5. in the utility model said circulating and directly-heated type integrated heat pump hot water unit; Between the import of the outlet of the shell side of said condenser and said attemperater, be provided with target stream switch; Be used on this branch road, breaking off when anhydrous said target stream switch, can prevent because of in this branch road under the situation of lack of water still in work, guarantee that water pump can not dally and be damaged under anhydrous situation; Also protect simultaneously the work safety of whole unit, prolonged the service life of unit.
6. in the utility model said circulating and directly-heated type integrated heat pump hot water unit; Be provided with high water level switch and low-water level switch in the said attemperater; Said high water level switch and low-water level switch are electrically connected with said control system; When the water level in the attemperater is lower than when the position is set, can in time carry out moisturizing and heating to water tank.
7. in the utility model said circulating and directly-heated type integrated heat pump hot water unit; Be provided with temperature sensor in the said attemperater; Said temperature sensor is electrically connected with said control system, when the attemperater temperature is lower than settings, can and advance the water in the water tank is heated.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the said circulating and directly-heated type integrated heat pump hot water unit sketch map of the utility model;
Fig. 2 is the enlarged diagram of main frame in the utility model said circulating and the directly-heated type integrated heat pump hot water unit;
Fig. 3 is the main frame enlarged diagram of band gate valve in the utility model said circulating and the directly-heated type integrated heat pump hot water unit.
Reference numeral is expressed as among the figure: 1-water inlet switch device, the 2-check-valves of intaking, 3-water pump, 4-first switching device, 50-main frame; The 51-evaporimeter, 52-condenser, the tube side of 521-condenser, the shell side of 522-condenser, 5221-shell side water inlet; 5222-shell side delivery port, 53-compressor, 6-target stream switch, 7-the 3rd switching device, 8-closed circuit check-valves; 9-second switch device, 10-temperature sensor, 11-attemperater, the water inlet of 111-attemperater; The delivery port of 112-attemperater, the circulating outlet of 113-attemperater, 12-high water level switch, 13-low-water level switch; 14-gate valve, the L0-branch road of intaking, L1-directly-heated branch road, L2-circulation branch road.
The specific embodiment
Shown in Figure 1 is the said circulating and directly-heated type integrated heat pump hot water unit of the utility model, comprises the main frame of being made up of evaporimeter 51, condenser 52 and compressor 53 50; With attemperater 11, said attemperater 11 is provided with water inlet 111, delivery port 112 and circulating outlet 113, and the delivery port 112 of said attemperater is user's a water nozzle, and the switch of opening delivery port just can directly access the hot water in the attemperater 11; The refrigerant upstream end of said compressor 53 is communicated with the refrigerant outflow end of said evaporimeter 51; The refrigerant outflow end of said compressor 53 is communicated with the refrigerant upstream end of said evaporimeter 51 through the tube side 521 of said condenser, and the shell side delivery port 5222 of said condenser 52 is communicated with the water inlet 111 of said attemperater; Also be provided with a water pump 3 between the shell side water inlet 5221 of said condenser 52 and the circulating outlet 113 of said attemperater; Between the water inlet of the shell side of the water side of said water pump 3 and said condenser 52, be connected in parallel and be provided with directly-heated branch road L1 and circulation branch road L2; Said directly-heated branch road L1 is provided with the 3rd switching device 7, and said circulation branch road L2 is provided with first switching device 4; Between the circulating outlet 113 of said water pump 3 water inlet ends and said attemperater, be provided with second switch device 9; Between said second switch device 9 and said water pump 3, also be provided with into water branch road L0, said water inlet branch road L0 is communicated with tap water pipe line.Said first switching device 4, said second switch device 9 and the 3rd switching device 7 are set in the present embodiment are switch.
As disposable embodiment, present embodiment is provided with said first switching device 4, said second switch device 9 and the 3rd switching device 7 and replaces with magnetic valve on the basis of the foregoing description.
Further, present embodiment is provided with closed circuit check-valves 8 between the circulating outlet 113 of said water pump 3 water inlet ends and said attemperater on the basis of the foregoing description, and said closed circuit check-valves 8 control current flow towards water pump 3 directions; Also be provided with between the shell side water inlet of said the 3rd switching device and said condenser and be used to control the gate valve 14 that flows into the directly-heated branch road water yield; The aperture that said gate valve 14 gets into the water yield is to be controlled by the pressure of said compressor; The spool that is gate valve 14 is communicated with the refrigerant outflow end of said compressor, and when the refrigerant outflow end pressure of compressor was big, refrigerant promoted the spool of said gate valve 14 and opens; Increase the inflow of gate valve 14; When the refrigerant outflow end pressure of compressor hour, spring promotes the spool resilience of said gate valve 14, reduces the inflow of gate valve 14; Thereby realize that the aperture that said gate valve 14 gets into the water yield is the purpose of being controlled by the pressure of said compressor, gate valve described in the present embodiment 14 is positioned in the said main frame 50.
In order to prevent that the flow reversal on the water branch road L0 into from refluxing, present embodiment is on the basis of the foregoing description, and said water inlet branch road L0 is provided with into water check-valves 2, and said water inlet check-valves 2 control current flow towards water pump 3 directions.Present embodiment also is provided with water inlet switch device 1 on said water inlet branch road L0.
Further; Present embodiment is on the basis of the foregoing description; Also comprise the control system; Said control system is electrically connected with said main frame 50, said the 3rd switching device 7, said first switching device 4, water inlet switch device 1 and said second switch device 9 respectively, is used to control the work of said main frame 50 or stop; The disconnection or the closure of said the 3rd switching device 7 and said first switching device 4, water inlet switch device 1 and said second switch device 9.
In order to prevent because of under the situation of lack of water, still working in this branch road; Guarantee water pump 3 can under anhydrous situation, not dally and be damaged; Present embodiment is on the basis of the foregoing description; Between the water inlet 111 of the shell side delivery port of said condenser 52 and said attemperater, be provided with target stream switch 6, be used on this branch road, this branch road being broken off when anhydrous.Said target stream switch 6 is electrically connected with said control system.
Further, present embodiment is provided with high water level switch 12 and low-water level switch 13 in the said attemperater 11 on the basis of the foregoing description, and said high water level switch 12 and low-water level switch 13 are electrically connected with said control system.Be provided with temperature sensor 10 in the said attemperater 11, said temperature sensor 10 is electrically connected with said control system.
Certainly; Can also between said the 3rd switch and said gate valve, hydraulic pressure switch be set, said hydraulic pressure switch is electrically connected with said control system, when the pressure in the directly-heated branch road during greater than 1.5KG; Hydraulic pressure switch will be closed, guarantees that unit can not work under the situation of lack of water.
During said circulating and the directly-heated type integrated heat pump hot water unit work of the utility model,
The control system detects the feedback signal of high water level switch in the attemperater 11 12 and low-water level switch 13, and when the water level in the attemperater 11 was lower than low water level, high water level switch 12 was an off-state with low-water level switch 13; The control system does not detect the feedback signal of high water level switch 12 and low-water level switch 13, and the control system detects whether hydraulic pressure switch is off-state, if hydraulic pressure switch is a closure state; Start the directly-heated pattern, closed the 3rd switching device 7 and water inlet switch device 1 starts water pump 3; Directly produce 55 ℃ of hot water; When the hot water of producing reaches high water level, said high water level switch 12 closures, the control system detects the feedback signal of high water level switch; Water pump 3, the 3rd switching device 7 and water inlet switch device 1 break off in the control system, and stop unit work.
When the water level in the attemperater 11 was between high water level switch 12 and the low-water level switch 13, high water level switch 12 was in off-state, and low-water level switch 13 is in closure state; At this moment, feedback signal that the control system does not detect high water level switch 12 and the feedback signal that detects low-water level switch 13 are when water tank temperature sensor 10 detects water temperature than low 5 ℃ of design temperature; It is 55 ℃ that temperature value is set in the present embodiment, and promptly when temperature was lower than 50 ℃, the control system started circulation pattern; The control system opens the second switch device 9 and first switching device 4; Start water pump 3 and start, 2 minutes later control systems of water pump 3 operations detect target stream switch 6, if target stream switch 6 is closed; Explaining in this branch road has water, and then control system starts 50 pairs of attemperaters 11 of main frame and heats.When the temperature in the attemperater 11 is heated to design temperature; It is 55 ℃ that temperature is set in the present embodiment; The second switch device 9 and first switching device 4 break off in the control system; The control system stops main frame 50 work, and the control system breaks off it after 1 minute in water pump 3 operations, is used for taking away the after-heat of condenser 52.The utility model said circulating and directly-heated type integrated heat pump hot water unit have reduced the power consumption of unit when realizing round-the-clock hot water supply, improved rate of thermal water utilization.
The tube side 521 of condenser refers to the passage of MEDIA FLOW in condenser pipe and the part that connects thereof, and the shell side 522 of condenser refers to the passage of MEDIA FLOW outside condenser pipe and between the condenser shell and the part that connects with it.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.

Claims (11)

1. a circulating and directly-heated type integrated heat pump hot water unit comprises the main frame of being made up of evaporimeter (51), condenser (52) and compressor (53) (50); And attemperater (11), said attemperater (11) is provided with water inlet (111), delivery port (112) and circulating outlet (113);
The refrigerant upstream end of said compressor (53) is communicated with the refrigerant outflow end of said evaporimeter (51); The refrigerant outflow end of said compressor (53) is communicated with the refrigerant upstream end of said evaporimeter (51) through the tube side (521) of said condenser, and the shell side delivery port (5222) of said condenser (52) is communicated with the water inlet (111) of said attemperater;
It is characterized in that; Also be provided with a water pump (3) between the shell side water inlet (5221) of said condenser (52) and the circulating outlet (113) of said attemperater; Between the shell side water inlet of the water side of said water pump (3) and said condenser (52), be connected in parallel and be provided with directly-heated branch road (L1) and circulation branch road (L2); Said directly-heated branch road (L1) is provided with the 3rd switching device (7), and said circulation branch road (L2) is provided with first switching device (4);
Between the circulating outlet (113) of said water pump (3) water inlet end and said attemperater, be provided with second switch device (9);
Between said second switch device (9) and said water pump (3), also be provided with into water branch road (L0), said water inlet branch road (L0) is communicated with tap water pipe line.
2. according to the said circulating and directly-heated type integrated heat pump hot water unit of claim 1; It is characterized in that; Also be provided with the gate valve (14) that is used to control the inflow directly-heated branch road water yield between the shell side water inlet (5221) of said the 3rd switching device (7) and said condenser (52), the aperture that said gate valve (14) gets into the water yield is to be controlled by the pressure of said compressor.
3. according to claim 1 or 2 said circulating and directly-heated type integrated heat pump hot water units; It is characterized in that; Between the circulating outlet (113) of said water pump (3) water inlet end and said attemperater, be provided with closed circuit check-valves (8), said closed circuit check-valves (8) control current flow towards water pump (3) direction.
4. according to the said circulating and directly-heated type integrated heat pump hot water unit of claim 3; It is characterized in that; Said water inlet branch road (L0) is provided with water inlet switch device (1) and water inlet check-valves (2), and said water inlet check-valves (2) control current flow towards water pump (3) direction.
5. according to the said circulating and directly-heated type integrated heat pump hot water unit of claim 4, it is characterized in that said first switching device (4), said second switch device (9) and said the 3rd switching device (7) are magnetic valve.
6. according to the said circulating and directly-heated type integrated heat pump hot water unit of claim 5; It is characterized in that; Also comprise the control system; Said control system is electrically connected with said main frame (50), said the 3rd switching device (7), said first switching device (4), water inlet switch device (1) and said second switch device (9) respectively; Be used to control the work of said main frame (50) or stop the disconnection or the closure of said the 3rd switching device (7) and said first switching device (4), water inlet switch device (1) and said second switch device (9).
7. according to the said circulating and directly-heated type integrated heat pump hot water unit of claim 6; It is characterized in that; Between the water inlet (111) of the shell side delivery port (5222) of said condenser (52) and said attemperater, be provided with target stream switch (6), be used on this branch road, breaking off when anhydrous said target stream switch (6).
8. according to claim 7 said circulating and directly-heated type integrated heat pump hot water unit, it is characterized in that said target stream switch (6) is electrically connected with said control system.
9. according to claim 6 or 8 said circulating and directly-heated type integrated heat pump hot water units; It is characterized in that; Be provided with high water level switch (12) and low-water level switch (13) in the said attemperater (11), said high water level switch (12) and low-water level switch (13) are electrically connected with said control system.
10. according to claim 9 said circulating and directly-heated type integrated heat pump hot water unit, it is characterized in that, be provided with temperature sensor (10) in the said attemperater (11), said temperature sensor (10) is electrically connected with said control system.
11., it is characterized in that according to claim 10 said circulating and directly-heated type integrated heat pump hot water unit, between said the 3rd switch (7) and said gate valve (14), be provided with hydraulic pressure switch, said hydraulic pressure switch is electrically connected with said control system.
CN201220252534XU 2012-05-31 2012-05-31 Circulation and direct heating integration heat pump hot-water machine set Active CN202562032U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109059280A (en) * 2018-07-11 2018-12-21 广东芬尼克兹节能设备有限公司 A kind of heat pump hot-water system and its control method
CN109059281A (en) * 2018-07-11 2018-12-21 广东芬尼克兹节能设备有限公司 A kind of mode switch control method of heat pump hot-water system
CN111707004A (en) * 2020-05-25 2020-09-25 广东纽恩泰新能源科技发展有限公司 Module combination formula air source heat pump set control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109059280A (en) * 2018-07-11 2018-12-21 广东芬尼克兹节能设备有限公司 A kind of heat pump hot-water system and its control method
CN109059281A (en) * 2018-07-11 2018-12-21 广东芬尼克兹节能设备有限公司 A kind of mode switch control method of heat pump hot-water system
CN109059280B (en) * 2018-07-11 2021-01-19 广东芬尼克兹节能设备有限公司 Heat pump hot water system and control method thereof
CN111707004A (en) * 2020-05-25 2020-09-25 广东纽恩泰新能源科技发展有限公司 Module combination formula air source heat pump set control system

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