CN106996644A - Air energy water heater and control method thereof - Google Patents
Air energy water heater and control method thereof Download PDFInfo
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- CN106996644A CN106996644A CN201710249473.9A CN201710249473A CN106996644A CN 106996644 A CN106996644 A CN 106996644A CN 201710249473 A CN201710249473 A CN 201710249473A CN 106996644 A CN106996644 A CN 106996644A
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- heat exchanger
- control
- hot water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 399
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims description 45
- 230000003020 moisturizing effect Effects 0.000 claims description 42
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 19
- 230000000052 comparative effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 description 12
- 239000002826 coolant Substances 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses an air energy water heater and a control method thereof. The air energy water heater comprises a compressor, a second hot water tank assembly, a throttling device and an outdoor heat exchanger which are sequentially connected, and further comprises a first hot water tank assembly, wherein the first hot water tank assembly comprises a first box body and a first heat exchange pipe arranged in the box body, the first end of the first heat exchange pipe is connected to an exhaust port of the compressor, the second end of the first heat exchange pipe is connected to one end, far away from the outdoor heat exchanger, of the throttling device, the second hot water tank assembly comprises a second box body and a second heat exchange pipe arranged in the second box body, the first box body is selectively communicated with a cold water inlet and a hot water outlet, and the second box body is selectively communicated with the cold water inlet and the hot water outlet. According to the air energy water heater, the water temperature can be ensured not to be reduced when the air energy water heater is used for replenishing water, and the water using comfort is improved.
Description
Technical field
The present invention relates to technical field of water heaters, in particular to a kind of air-source water heater and its control method.
Background technology
Air-source water heater realizes heating domestic water using heat pump principle, is a kind of efficient, heat of energy-saving and environmental protection
Hydrophone product.
In the air-source water heater course of work, it is according to water tank Water temp controller group start and stop.That is, when water temperature is less than setting
During value, unit starting water heating, when water temperature reaches setting value, compressor emergency shutdown.If cistern water level is reduced during water heating, from
Dynamic supplement cold water.
Existing air-source water heater operationally has two：1. during water tank moisturizing, if cold water supplement speed
Spend greatly, and water heater heating capacity is small, and water temperature ramp-up rate is small, then can cause cistern water supply water temperature drop；2. unit
Between frost season, air-source water heater is unable to water heating, and can absorb the heat of water tank for defrost, equally also results in water tank temperature
Degree declines.
Therefore, existing air-source water heater can cause water tank water temperature drop during moisturizing process and defrost, drop
The comfortableness of low water usage.
The content of the invention
A kind of air-source water heater and its control method are provided in the embodiment of the present invention, can be in air-source water heater moisturizing
When ensure water temperature do not decline, put forward high water usage comfortableness.
To achieve the above object, the embodiment of the present invention provides a kind of air-source water heater, including be sequentially connected compressor,
Second hot water tank component, throttling arrangement and outdoor heat exchanger, in addition to the first hot water tank component, the first hot water tank component include the
One casing and the first heat exchanger tube being arranged in casing, the first end of the first heat exchanger tube are connected to the exhaust outlet of compressor, first
Second end of heat exchanger tube is connected to one end of the remote outdoor heat exchanger of throttling arrangement, and the second hot water tank component includes the second casing
With the second heat exchanger tube being arranged in the second casing, the first casing is selectively connected with cooling water inlet and hot water outlet, and second
Casing is selectively connected with cooling water inlet and hot water outlet.
Preferably, air-source water heater also includes four-way valve, the exhaust outlet of compressor is connected to the first of four-way valve and connect
Mouthful, outdoor heat exchanger is connected to the second interface of four-way valve, and the gas returning port of compressor is connected to the 3rd interface of four-way valve, second
Hot-water line is connected to the 4th interface of four-way valve, and the second end of the first heat exchanger tube includes the first branch pipe and the second branch pipe in parallel,
One end of the remote outdoor heat exchanger of throttling arrangement is connected to by the first branch pipe, the second branch pipe is connected to the close of throttling arrangement
It is provided with one end of outdoor heat exchanger, the first branch pipe on the first control valve, the second branch pipe and is provided with the second control valve.
Preferably, the 3rd control valve is provided with connecting line between the exhaust outlet and first interface of compressor,
One heat exchanger tube is connected to the 3rd control valve close to one end of the exhaust outlet of compressor.
Preferably, the first casing and the second casing are integrally formed, isolation is provided between the first casing and the second casing
The thermal insulation board of the inner space of first casing and the second casing.
Preferably, being additionally provided with gas-liquid separator between the 3rd interface of four-way valve and the gas returning port of compressor.
Second is provided with preferably, being provided with the first casing on the first tank gage and the first temperature-sensitive bag, the second casing
Tank gage and the second temperature-sensitive bag.
Preferably, being provided with the first water inlet on the first casing, the second water inlet is provided with the second casing, first connects
The mouth of a river is connected by the 3rd branch pipe with hot water outlet, and the first water inlet is connected by the 4th branch pipe with cooling water inlet, the second water receiving
Mouth is connected by the 5th branch pipe with hot water outlet, and the second water inlet is connected by the 6th branch pipe with cooling water inlet, on the 3rd branch pipe
It is provided with the 4th control valve, the 4th branch pipe and is provided with the 5th control valve, the 6th control valve, the 6th is provided with the 5th branch pipe
The 7th control valve is provided with pipe.
According to another aspect of the present invention there is provided a kind of control method of above-mentioned air-source water heater, including：Obtain
Water temperature in first casing and the second casing；Water temperature in first casing and the second casing and set water temperature are compared；Root
Control the connected state of the first casing and cooling water inlet and hot water outlet according to comparative result, and the second casing and cooling water inlet and
The connected state of hot water outlet.
Preferably, the first casing and cooling water inlet and the connected state of hot water outlet are controlled according to comparative result, and
The step of connected state of second casing and cooling water inlet and hot water outlet, includes：When the water temperature in the first casing reaches setting water
Wen Shi, the first casing of control is connected with hot water outlet, and is disconnected with cooling water inlet；When the water temperature in the second casing reaches setting water
Wen Shi, the second casing of control is connected with hot water outlet, and is disconnected with cooling water inlet；When the water temperature in the first casing is not up to setting
During water temperature, the first casing of control disconnects with hot water outlet and cooling water inlet, control the first heat exchanger tube heating；When in the second casing
When water temperature is not up to set water temperature, the second casing of control disconnects with hot water outlet and cooling water inlet, control the second heat exchanger tube heating.
Preferably, control method also includes：Obtain the water level information of the first casing and the second casing；When the first casing
When water level is less than set water temperature less than water level settings value and water temperature, the heating of the first heat exchanger tube of control connects the first casing and cold simultaneously
Water inlet；When the water level of the second casing is less than water level settings value and water temperature is less than set water temperature, control the second heat exchanger tube heating
The second casing and cooling water inlet are connected simultaneously；When the water level of the first casing reaches water level settings value and water temperature reaches set water temperature
When, the first heat exchanger tube of control does not exchange heat and controls the first casing and cooling water inlet to disconnect；When the water level of the second casing reaches water level
Setting value and when water temperature reaches set water temperature, the second heat exchanger tube of control does not exchange heat and control the second casing and cooling water inlet disconnection.
Preferably, control method also includes：Obtain the running status of air-source water heater；When air-source water heater is in
During outdoor heat exchanger defrost state, control outdoor heat exchanger and the first heat exchanger tube heat release, control the second heat exchanger tube heat absorption；Control the
One casing connects with hot water outlet and forbids the first casing moisturizing.
Preferably, control method also includes：Before the first casing and the second casing moisturizing is controlled, the first casing is confirmed
Whether Heating State is in the second casing；When there is at least one to be in Heating State in the first casing and the second casing, prohibit
Only the casing in Heating State carries out moisturizing.
Apply the technical scheme of the present invention, air-source water heater include be sequentially connected compressor, the second hot water tank component,
Throttling arrangement and outdoor heat exchanger, in addition to the first hot water tank component, the first hot water tank component include the first casing and are arranged on
The first heat exchanger tube in casing, the first end of the first heat exchanger tube is connected to the exhaust outlet of compressor, the second end of the first heat exchanger tube
One end of the remote outdoor heat exchanger of throttling arrangement is connected to, the second hot water tank component includes the second casing and is arranged on the second case
The second internal heat exchanger tube, the first casing is selectively connected with cooling water inlet and hot water outlet, the second casing and cooling water inlet
Selectively connected with hot water outlet.Because the first casing and the second casing are separate, and both of which can individually with it is cold
Water inlet is selectively connected with hot water outlet, therefore can be according to the work of the first hot water tank component and the second hot water tank component
The suitable mode of communicating of condition selecting so that one of hot water tank component be in water compensating state temperature it is relatively low when, another heat
Cistern assembly still is able to provide the hot water of equilibrium temperature, can now forbid the hot water tank component of water compensating state to supply water, only by temperature
Degree reaches that the hot water tank component of requirement is supplied water, so as to ensure that water temperature is not reduced during air-source water heater moisturizing, it is to avoid occur
Larger temperature fluctuation, puies forward high water usage comfortableness.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the air-source water heater of the embodiment of the present invention；
Fig. 2 is the control flow chart of the air-source water heater of the embodiment of the present invention.
Description of reference numerals：1st, compressor；2nd, the first hot water tank component；3rd, the second hot water tank component；4th, throttling arrangement；5、
Outdoor heat exchanger；6th, the first casing；7th, the first heat exchanger tube；8th, the second casing；9th, the second heat exchanger tube；10th, cooling water inlet；11st, it is hot
Water out；12nd, four-way valve；13rd, the first branch pipe；14th, the second branch pipe；15th, the first control valve；16th, the second control valve；17th, the 3rd
Control valve；18th, thermal insulation board；19th, gas-liquid separator；20th, the first tank gage；21st, the first temperature-sensitive bag；22nd, the second tank gage；23、
Second temperature-sensitive bag；24th, the 3rd branch pipe；25th, the 4th branch pipe；26th, the 5th branch pipe；27th, the 6th branch pipe；28th, the 4th control valve；29、
5th control valve；30th, the 6th control valve；31st, the 7th control valve.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
With reference to shown in Figure 1, embodiments in accordance with the present invention, air-source water heater include be sequentially connected compressor 1,
Second hot water tank component 3, throttling arrangement 4 and outdoor heat exchanger 5, in addition to the first hot water tank component 2, the first hot water tank component 2
Including the first casing 6 and the first heat exchanger tube 7 being arranged in casing, the first end of the first heat exchanger tube 7 is connected to the row of compressor 1
Gas port, the second end of the first heat exchanger tube 7 is connected to one end of the remote outdoor heat exchanger 5 of throttling arrangement 4, the second hot water tank component
3 include the second casing 8 and the second heat exchanger tube 9 being arranged in the second casing 8, and the first casing 6 goes out with cooling water inlet 10 and hot water
Mouth 11 is selectively connected, and the second casing 8 is selectively connected with cooling water inlet 10 and hot water outlet 11.
The air-source water heater includes at least two separate hot water tank components, due to the of the first hot water tank component
One casing 6 and the second casing 8 of the second hot water tank component are separate, and both of which can individually with cooling water inlet 10 and heat
Water out 11 is selectively connected, therefore can be selected according to the working condition of the first hot water tank component and the second hot water tank component
Suitable mode of communicating so that one of hot water tank component be in water compensating state temperature it is relatively low when, another hot water tank component
It still is able to provide the hot water of equilibrium temperature, can now forbids the hot water tank component of water compensating state to supply water, only being reached by temperature will
The hot water tank component asked is supplied water, so as to ensure that water temperature is not reduced during air-source water heater moisturizing, it is to avoid larger temperature occur
Fluctuation, puies forward high water usage comfortableness.When user uses hot water, it is alternately user's supply temperature that can control two hot water tank components
Constant hot water.It is of course also possible to use to provide the user temperature permanent for the separate hot water tank component of three or the above
Fixed hot water.
Air-source water heater also includes four-way valve 12, and the exhaust outlet of compressor 1 is connected to the first interface of four-way valve 12, room
External heat exchanger 5 is connected to the second interface of four-way valve 12, and the gas returning port of compressor 1 is connected to the 3rd interface of four-way valve 12, the
Two hot-water lines are connected to the 4th interface of four-way valve 12, and the second end of the first heat exchanger tube 7 includes the first branch pipe 13 in parallel and the
Two branch pipes 14, one end of the remote outdoor heat exchanger 5 of throttling arrangement 4 is connected to by the first branch pipe 13, and the second branch pipe 14 is connected
To one end of the close outdoor heat exchanger 5 of throttling arrangement 4, the first control valve 15, the second branch pipe 14 are provided with the first branch pipe 13
On be provided with the second control valve 16.
First branch pipe 13 and the second branch pipe 14 are arranged in parallel, and the control for controlling the branch pipe break-make is provided with each branch pipe
Valve, and two branch pipes are connected to the two ends of throttling arrangement, by controlling different branch pipes to connect, can control the first hot water
Relation between box assembly 2, the second hot water tank component 3 and outdoor heat exchanger 5, for example when control the first branch pipe 13 connect, second
When branch pipe 14 disconnects, connected after the first hot water tank component 2 and the parallel connection of the second hot water tank component 3 with outdoor heat exchanger 5, the first heat
The hot water tank component 3 of cistern assembly 2 and second, which is run, to be heated, and carries out water heating action.When control the first branch pipe 13 disconnect, second
When branch pipe 14 is connected, connected after the first hot water tank component 2 and the parallel connection of outdoor heat exchanger 5 with the second hot water tank component 3, the first heat
Cistern assembly 2 and outdoor heat exchanger 5 run and heated, and the first hot water tank component 2 provides the user hot water, and outdoor heat exchanger 5 enters
Row defrost, the heat release of the second hot water tank component 3 provides defrost heat, and provide system for the first hot water tank component 2 for outdoor heat exchanger
Hot water heat.Therefore, the first branch pipe 13 of control and the second branch pipe 14 are in different working condition, it is possible to achieve to air energy thermal water
The control of a variety of working conditions of device.
Certainly, the first control valve 15 and the second control valve 16 can also be replaced with a triple valve.
The 3rd control valve 17, the first heat exchange are provided with connecting line between the exhaust outlet and first interface of compressor 1
Pipe 7 is connected to the 3rd control valve 17 close to one end of the exhaust outlet of compressor 1, can pass through 17 pair of second heat of the 3rd control valve
When cistern assembly 3 is controlled, it is to avoid the 3rd 17 pair first of control valve hot water tank component 2 is impacted so that the first boiler
The control of the hot water tank component 3 of component 2 and second is separate, realizes independent moisturizing and heating operation, more easily realizes
Respective moisturizing and supplying hot water action, provide the user the hot water of steady temperature, improve the usage experience of user.
Preferably, in the present embodiment, the first casing 6 and the second casing 8 are integrally formed, the first casing 6 and the second casing 8
Between be provided with the first casing 6 of isolation and the second casing 8 inner space thermal insulation board 18, the can be realized by thermal insulation board 18
The isolation of the inner space of one casing 6 and the second casing 8, while the processing work of the first casing 6 and the second casing 8 can be reduced
Sequence so that the first casing 6 and the second casing 8 can be integrally machined, reduces processing cost, saves space-consuming.
Certainly, the first casing 6 and the second casing 8 can also be provided separately and individually process, and both can machine
It is fixedly installed afterwards together, can also be separated after machining.
Gas-liquid separator 19 is additionally provided between 3rd interface of four-way valve 12 and the gas returning port of compressor 1.
It is provided with first casing 6 on first tank gage 20 and the first temperature-sensitive bag 21, the second casing 8 and is provided with the second liquid level
The temperature-sensitive bag 23 of instrument 22 and second.Liquid level in first casing 6 can be measured in real time by the first tank gage 20, pass through the first temperature-sensitive
Bag 21 can measure the water temperature in the first casing 6 in real time, and the liquid in the second casing 8 can be measured in real time by the second tank gage 22
Position, the water temperature in the second casing 8 can be measured in real time by the second temperature-sensitive bag 23., can according to the water temperature and liquid level data measured
To select to add water into corresponding casing in real time or corresponding casing heated, it is ensured that have enough in casing
Water, while the water temperature in guard box body can also reach use requirement, so that it is permanent that temperature is provided the user when user needs
Fixed hot water.
In the present embodiment, it is provided with the first casing 6 on first water inlet, the second casing and is provided with the second water inlet,
First water inlet is connected by the 3rd branch pipe 24 with hot water outlet 11, and the first water inlet passes through the 4th branch pipe 25 and cooling water inlet 10
Connection, the second water inlet is connected by the 5th branch pipe 26 with hot water outlet 11, and the second water inlet passes through the 6th branch pipe 27 and cold water
Import 10 is connected, and is provided with the 3rd branch pipe 24 on the 4th control valve 28, the 4th branch pipe 25 and is provided with the 5th control valve 29, the 5th
It is provided with branch pipe 26 on the 6th control valve 30, the 6th branch pipe 27 and is provided with the 7th control valve 31.
It is controlled by the break-make to the branch pipe 27 of the 3rd branch pipe 24 to the 6th, the first casing 6 and the second case can be controlled
The moisturizing of body 8 and service position, so that two casings can be used alternatingly when supplying water, provide the user temperature permanent all the time
Fixed hot water.When hot water is not used in user, the moisturizing simultaneously of two casings can be controlled or while heated, when user uses heat
There is provided the water tank of hot water moisturizing is unable to during water, it is necessary to which sustainedly and stably hot-water supply, another water tank then can be according to reality
Situation selects moisturizing or heating.
With reference to shown in Figure 2, embodiments in accordance with the present invention, a kind of control method bag of above-mentioned air-source water heater
Include：Obtain the water temperature in the first casing 6 and the second casing 8；By the water temperature and set water temperature in the first casing 6 and the second casing 8
It is compared；First casing 6 and cooling water inlet 10 and the connected state of hot water outlet 11, and second are controlled according to comparative result
Casing 8 and cooling water inlet 10 and the connected state of hot water outlet 11.
By obtaining the water temperature in the first casing 6 and the second casing 8, suitable casing can be selected according to the water temperature of acquisition
Hot water supply is carried out to user, it is ensured that the temperature of hot-water supply is constant, improve being tested with water body for user.Meanwhile, according to acquisition
Water temperature information, can be not up to being heated with water in the casing of requirement so that the water temperature in casing can to water temperature in time
Requirement is reached, so that enough hot water can be provided the user in time when needing with water.
First casing 6 and cooling water inlet 10 and the connected state of hot water outlet 11, and second are controlled according to comparative result
The step of connected state of casing 8 and cooling water inlet 10 and hot water outlet 11, includes：When the water temperature in the first casing 6 reaches setting
During water temperature, the first casing 6 of control is connected with hot water outlet 11, and is disconnected with cooling water inlet 10, so as to be use by the first casing 6
Family provides hot water；When the water temperature in the second casing 8 reaches set water temperature, the second casing 8 of control is connected with hot water outlet 11, and
Disconnected with cooling water inlet 10, so as to provide the user hot water by the second casing 8.Water in the first casing 6 and the second casing 8
When Wen Jun reaches set water temperature, one can be selected to provide the user hot water, two casings can also be controlled while being carried for user
Supplying hot water.
When the water temperature in the first casing 6 is not up to set water temperature, the first casing 6 of control enters with hot water outlet 11 and cold water
Mouth 10 is disconnected, and the first heat exchanger tube 7 of control is heated, so that the water temperature in the first casing 6 is close to set water temperature, and is finally reached
Set water temperature, preferably meets user's use requirement；When the water temperature in the second casing 8 is not up to set water temperature, control second
Casing 8 is disconnected with hot water outlet 11 and cooling water inlet 10, and the second heat exchanger tube 9 of control is heated, so that the water temperature in the second casing 8
It is close to set water temperature, and set water temperature is finally reached, preferably meet user's use requirement.
Control method also includes：Obtain the water level information of the first casing 6 and the second casing 8；When the water level of the first casing 6 is low
When water level settings value and water temperature are less than set water temperature, the heating of the first heat exchanger tube 7 of control connects the first casing 6 simultaneously and cold water enters
Mouth 10；When the water level of the second casing 8 is less than water level settings value and water temperature is less than set water temperature, the second heat exchanger tube 9 of control is heated
The second casing 8 and cooling water inlet 10 are connected simultaneously；When the water level of the first casing 6 reaches water level settings value and water temperature reaches setting water
Wen Shi, the first heat exchanger tube 7 of control does not exchange heat and controls the first casing 6 and cooling water inlet 10 to disconnect；When the water level of the second casing 8 reaches
When reaching set water temperature to water level settings value and water temperature, the second heat exchanger tube 9 of control does not exchange heat and controls the second casing 8 and cold water to enter
Mouth 10 disconnects.
By obtaining the water level information in two casings, moisturizing can be carried out to water tank in time, prevent water level mistake in water tank
It is low and enough hot water can not be provided the user.After moisturizing is carried out to water tank, water temperature can decline in the water tank of moisturizing, cause water
Temperature is unable to reach use requirement, is now accomplished by time heating the water tank of moisturizing so that water temperature in the water tank after moisturizing
Rise, until set water temperature is reached, so as to provide the user hot water in real time.
Control method also includes：Obtain the running status of air-source water heater；When air-source water heater is in outdoor heat exchange
During 5 defrost state of device, the heat release of 5 and first heat exchanger tube of control outdoor heat exchanger 7, the second heat exchanger tube 9 of control absorbs heat；Control the first case
Body 6 connects with hot water outlet 11 and forbids the moisturizing of the first casing 6.
No matter outdoor heat exchanger 5 is in refrigerating state or defrosts state, and the first heat exchanger tube 7 in the first casing 6 is all the time
It is to be in heat state, so that storing hot water all the time in the first casing 6, satisfaction can be provided the user when user needs
It is required that hot water.The working condition of second heat exchanger tube 9 changes with the change of the working condition of outdoor heat exchanger 5, when outdoor is changed
When hot device 5 is in refrigerating state, the second heat exchanger tube 9 in the second casing 8, which is in, heats state, and the water in the second casing 8 is entered
Row heating.When outdoor heat exchanger 5 is in defrost state, the second heat exchanger tube 9 in the second casing 8 is in refrigerating state, absorbs
The heat of water in second casing 8, defrost institute calorific requirement is provided to outdoor heat exchanger 5.Due to the work of the first hot water tank component 2
State is not influenceed by the working condition of outdoor heat exchanger 5, therefore can ensure that the first hot water tank component 2 can be always user
There is provided hot water so that air-source water heater can provide usage experience of the hot water there is provided user of steady temperature all the time.
Control method also includes：Before the first casing 6 and the moisturizing of the second casing 8 is controlled, the first casing 6 and second is confirmed
Whether casing 8 is in Heating State；When there is at least one to be in Heating State in the first casing 6 and the second casing 8, forbid place
Moisturizing is carried out in the casing of Heating State.
When one or two in detecting the first casing 6 and the second casing 8 need moisturizing, it is necessary to determine two first
Whether individual casing is in hot-water supply state, if the casing of hot-water supply does not need moisturizing, can to non-hot-water supply and
The casing of moisturizing is needed to carry out moisturizing, while being heated to the water in the casing.If the casing of hot-water supply needs moisturizing,
The casing moisturizing should now be forbidden, and control the casing to continue to user's hot-water supply, until after user is using finishing, starting
Moisturizing, and heated.
The course of work to the air-source water heater of the embodiment of the present invention is been described by below：
When the water temperature that the first temperature-sensitive bag 21 and the second temperature-sensitive bag 23 are detected in two casings is below user's setting value, this
Shi Qidong compressors, the high pressure gaseous refrigerant of compressor discharge is divided into two-way, all the way into the first casing 6, first
Condensation heat release in heat exchanger tube 7, heat hot water, after be changed into liquid refrigerants and flowed out through the first control valve 15, now the second control valve 16
Close；Another control valves 17 of Lu Jing tri- enter four-way valve 12, the first interface of four-way valve and the 4th orifice, second interface
With the 3rd orifice, high pressure gaseous refrigerant becomes liquid in the second casing 8 after release heat, in the first casing 6
The liquid refrigerants of outflow converges, and is throttled through throttling arrangement 4, is changed into vehicle repair major state, into outdoor heat exchanger 5, absorption air
It is changed into gaseous state after heat, second interface and the 3rd interface through four-way valve 12 enter gas-liquid separator 19, liquid refrigerants is separated,
Gaseous coolant is inhaled into compressor 1, completes a circulation.
When the water temperature that the first temperature-sensitive bag 21 is detected in the first casing 6 is less than user's set water temperature, the second temperature-sensitive bag 23 is examined
When measuring the water temperature in the second casing 8 and reaching user's set water temperature, control compressor 1 starts, and the 3rd control valve 17 of control is closed,
The first interface and the 4th orifice of four-way valve 12, second interface and the 3rd orifice are controlled, the second control valve 16 is controlled
Close, the first control valve 15 is opened, refrigerant be cannot be introduced into the second casing 8 and be heated, and the water temperature in the second casing 8 is kept
In the range of set water temperature, the hot water in the first casing 6 can now be heated, the second casing 8 is used to provide a user
Hot water.
When the water temperature that the second temperature-sensitive bag 23 is detected in the second casing 8 is less than user's set water temperature, the first temperature-sensitive bag 21 is examined
When measuring the water temperature in the first casing 6 and reaching user's set water temperature, control compressor 1 starts, and the 3rd control valve 17 of control is opened,
The first interface and the 4th orifice of four-way valve 12, second interface and the 3rd orifice are controlled, the second control valve 16 is controlled
Close, the first control valve 15 is closed, refrigerant be cannot be introduced into the first casing 6 and be heated, and the water temperature in the first casing 6 is kept
In the range of set water temperature, the hot water in the second casing 8 can now be heated, the first casing 6 is used to provide a user
Hot water.
When air-source water heater determines that the bilayer of outdoor heat exchanger 5 is thicker, it is necessary to during defrost, control four-way valve 12 commutates,
That is the first interface of four-way valve is connected with second interface, and the 3rd interface and the 4th orifice, the 3rd control valve 17 are opened, and second
Control valve 16 is opened, and the first control valve 15 is closed, and compressor 1 starts, and discharges high pressure gaseous refrigerant, and high pressure gaseous is cold
Matchmaker is divided into two-way, all the way into the first casing 6, the condensation heat release in the first heat exchanger tube 7, heat hot water, after to be changed into liquid cold
Matchmaker is flowed out through the second control valve 16；Another control valves 17 of Lu Jing tri- enter in four-way valve 12, the first interface through four-way valve 12
Enter with second interface in outdoor heat exchanger 5, condense heat release, melt the bilayer of the fin of outdoor heat exchanger 5, rear refrigerant is changed into liquid
The liquid refrigerants that state simultaneously flows out with the first casing 6 converges, and after being throttled through throttling arrangement 4, is changed into gas-liquid two-phase refrigerant, into the
Heat is absorbed in two casings 8, is changed into gaseous coolant, gas-liquid separator is back to through the 3rd interface of four-way valve 12 and the 4th interface
19, liquid refrigerants is separated, and gaseous coolant is inhaled into compressor 1, completes a circulation.
User's setting value is reached when the first temperature-sensitive bag 21 detects water temperature in the first casing 6, and the first tank gage 20 is detected
Setting value is also reached to the water level in the first casing 6, now controls the 4th control valve 28 to open, the 5th control valve 29 is closed, the
One casing 6 is not heated and not moisturizing, and the temperature that now the second casing 8 is detected according to the second temperature-sensitive bag 23 judges whether to add
Heat, the water level in the second casing 8 detected according to the second tank gage 22 judges whether the second casing 8 needs moisturizing, if desired
Moisturizing, then control the 6th control valve 30 to open, the 7th control valve 31 is closed, if without moisturizing, controlling the He of the 6th control valve 30
7th control valve 31 is turned off.
Similarly, user's setting value, and the second tank gage 22 are reached when the second temperature-sensitive bag 23 detects water temperature in the second casing 8
The water level detected in the second casing 8 also reaches setting value, now controls the 7th control valve 31 to open, the 6th control valve 30 is closed
Close, the second casing 8 is not heated and not moisturizing, the temperature that now the first casing 6 is detected according to the first temperature-sensitive bag 21 judges whether
Heated, the water level in the first casing 6 detected according to the first tank gage 20 judges whether the first casing 6 needs moisturizing,
If desired moisturizing, then control the 5th control valve 29 to open, the 4th control valve 28 is closed, if without moisturizing, control the 4th is controlled
The control valve 29 of valve 28 and the 5th is turned off.Not moisturizing during water tank supplying hot water.
In a period of time during defrost and after defrost completion, only allow the supplying hot water of the first casing 6 and not moisturizing.
Above-mentioned each control valve is, for example, magnetic valve, and throttling arrangement 4 is, for example, electric expansion valve.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of air-source water heater, it is characterised in that including the compressor (1) being sequentially connected, the second hot water tank component (3),
Throttling arrangement (4) and outdoor heat exchanger (5), in addition to the first hot water tank component (2), first hot water tank component (2) include
First casing (6) and the first heat exchanger tube (7) being arranged in the casing, the first end of first heat exchanger tube (7) are connected to
The exhaust outlet of the compressor (1), the second end of first heat exchanger tube (7) is connected to the remote institute of the throttling arrangement (4)
One end of outdoor heat exchanger (5) is stated, second hot water tank component (3) includes the second casing (8) and is arranged on second case
The second heat exchanger tube (9) in body (8), first casing (6) selectively connects with cooling water inlet (10) and hot water outlet (11)
Logical, second casing (8) selectively connects with cooling water inlet (10) and hot water outlet (11).
2. air-source water heater according to claim 1, it is characterised in that the air-source water heater also includes four-way valve
(12), the exhaust outlet of the compressor (1) is connected to the first interface of the four-way valve (12), and the outdoor heat exchanger (5) is even
The second interface of the four-way valve (12) is connected to, the gas returning port of the compressor (1) is connected to the 3rd of the four-way valve (12)
Interface, second hot-water line is connected to the 4th interface of the four-way valve (12), the second end bag of first heat exchanger tube (7)
The first branch pipe (13) and the second branch pipe (14) of parallel connection are included, the throttling arrangement (4) is connected to by first branch pipe (13)
The remote outdoor heat exchanger (5) one end, second branch pipe (14) be connected to the throttling arrangement (4) close to described
It is provided with one end of outdoor heat exchanger (5), first branch pipe (13) on the first control valve (15), second branch pipe (14)
It is provided with the second control valve (16).
3. air-source water heater according to claim 2, it is characterised in that the exhaust outlet of the compressor (1) with it is described
The 3rd control valve (17) is provided with connecting line between first interface, first heat exchanger tube (7) is connected to the described 3rd
Control valve (17) is close to one end of the exhaust outlet of the compressor (1).
4. air-source water heater according to claim 1, it is characterised in that first casing (6) and second case
Body (8) is integrally formed, be provided between first casing (6) and second casing (8) isolation first casing (6) and
The thermal insulation board (18) of the inner space of second casing (8).
5. air-source water heater according to claim 1, it is characterised in that the 3rd interface of the four-way valve (12) and institute
Gas-liquid separator (19) is additionally provided between the gas returning port for stating compressor (1).
6. air-source water heater according to claim 1, it is characterised in that be provided with first on first casing (6)
The second tank gage (22) and the second temperature-sensitive bag are provided with tank gage (20) and the first temperature-sensitive bag (21), second casing (8)
(23)。
7. air-source water heater according to claim 1, it is characterised in that be provided with first on first casing (6)
The second water inlet is provided with water inlet, second casing, first water inlet is gone out by the 3rd branch pipe (24) with hot water
Mouth (11) connection, first water inlet is connected by the 4th branch pipe (25) with cooling water inlet (10), and second water inlet leads to
Cross the 5th branch pipe (26) to connect with hot water outlet (11), second water inlet passes through the 6th branch pipe (27) and cooling water inlet (10)
It is provided with connection, the 3rd branch pipe (24) on the 4th control valve (28), the 4th branch pipe (25) and is provided with the 5th control
It is provided with valve (29), the 5th branch pipe (26) on the 6th control valve (30), the 6th branch pipe (27) and is provided with the 7th control valve (31).
8. a kind of control method of the air-source water heater described in claim 1, it is characterised in that including：
Obtain the water temperature in the first casing (6) and the second casing (8)；
Water temperature in first casing (6) and the second casing (8) is compared with set water temperature；
First casing (6) and cooling water inlet (10) and the connected state of hot water outlet (11), Yi Ji are controlled according to comparative result
Two casings (8) and cooling water inlet (10) and the connected state of hot water outlet (11).
9. the control method of air-source water heater according to claim 8, it is characterised in that described according to comparative result control
Make the first casing (6) and cooling water inlet (10) and the connected state of hot water outlet (11), and the second casing (8) and cooling water inlet
(10) and hot water outlet (11) connected state the step of include：
When the water temperature in the first casing (6) reaches set water temperature, the first casing of control (6) is connected with hot water outlet (11), and
Disconnected with cooling water inlet (10)；
When the water temperature in the second casing (8) reaches set water temperature, the second casing of control (8) is connected with hot water outlet (11), and
Disconnected with cooling water inlet (10)；
When the water temperature in the first casing (6) is not up to set water temperature, the first casing of control (6) and hot water outlet (11) and cold water
Import (10) disconnects, the first heat exchanger tube of control (7) heating；
When the water temperature in the second casing (8) is not up to set water temperature, the second casing of control (8) and hot water outlet (11) and cold water
Import (10) disconnects, the second heat exchanger tube of control (9) heating.
10. the control method of air-source water heater according to claim 9, it is characterised in that the control method is also wrapped
Include：
Obtain the water level information of the first casing (6) and the second casing (8)；
When the water level of the first casing (6) is less than water level settings value and water temperature is less than set water temperature, the first heat exchanger tube of control (7) adds
Heat connects the first casing (6) and cooling water inlet (10) simultaneously；
When the water level of the second casing (8) is less than water level settings value and water temperature is less than set water temperature, the second heat exchanger tube of control (9) adds
Heat connects the second casing (8) and cooling water inlet (10) simultaneously；
When the water level of the first casing (6) reaches water level settings value and water temperature reaches set water temperature, the first heat exchanger tube of control (7) is no
Heat exchange and the first casing of control (6) and cooling water inlet (10) disconnection；
When the water level of the second casing (8) reaches water level settings value and water temperature reaches set water temperature, the second heat exchanger tube of control (9) is no
Heat exchange and the second casing of control (8) and cooling water inlet (10) disconnection.
11. the control method of air-source water heater according to claim 8, it is characterised in that the control method is also wrapped
Include：
Obtain the running status of air-source water heater；
When air-source water heater is in outdoor heat exchanger (5) defrost state, control outdoor heat exchanger (5) and the first heat exchanger tube
(7) heat release, the second heat exchanger tube of control (9) heat absorption；Control the first casing (6) to be connected with hot water outlet (11) and forbid the first casing
(6) moisturizing.
12. the control method of air-source water heater according to claim 8, it is characterised in that the control method is also wrapped
Include：
Before control the first casing (6) and the second casing (8) moisturizing, confirm whether the first casing (6) and the second casing (8) are located
In Heating State；
When there is at least one to be in Heating State in the first casing (6) and the second casing (8), forbid the case in Heating State
Body carries out moisturizing.
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| CN201710249473.9A CN106996644B (en) | 2017-04-17 | 2017-04-17 | Air energy water heater and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249473.9A CN106996644B (en) | 2017-04-17 | 2017-04-17 | Air energy water heater and control method thereof |
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| CN106996644B CN106996644B (en) | 2023-12-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207250A (en) * | 2019-07-02 | 2019-09-06 | 荏原冷热系统（中国）有限公司 | A kind of waste heat recycling accumulation of energy case and control method |
| CN110500778A (en) * | 2019-07-10 | 2019-11-26 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater and control method thereof |
| CN112361597A (en) * | 2020-11-09 | 2021-02-12 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| WO2022042154A1 (en) * | 2020-08-25 | 2022-03-03 | 青岛海尔新能源电器有限公司 | Control method and device for heat pump water heater |
| CN114754520A (en) * | 2022-03-23 | 2022-07-15 | 浙江中广电器集团股份有限公司 | Variable-frequency air source hot water unit with double-coil water tank and control method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085145A (en) * | 1994-06-17 | 1996-01-12 | Toshiba Electric Appliance Co Ltd | Electric water heater |
| DE102007031871B3 (en) * | 2007-07-06 | 2008-07-31 | Stiebel Eltron Gmbh & Co. Kg | Electric domestic service device comprises first storage tank with heat exchanger, and second storage tank designed as laminated storage tank and serving for supplying hot water |
| CN102022831A (en) * | 2009-09-21 | 2011-04-20 | 乐金电子(天津)电器有限公司 | Energy-saving water tank of heat pump water heater |
| CN202532705U (en) * | 2012-03-22 | 2012-11-14 | 浙江中广电器有限公司 | Novel heat pump water heater with double water tanks |
| CN103245055A (en) * | 2012-02-03 | 2013-08-14 | 王静宇 | Directly-heated type and circular type integrated heat-pump water heater system |
| US20140202549A1 (en) * | 2013-01-23 | 2014-07-24 | Honeywell International Inc. | Multi-tank water heater systems |
| CN104879916A (en) * | 2015-05-27 | 2015-09-02 | 合肥美的暖通设备有限公司 | Heat pump water heater |
| CN204787192U (en) * | 2015-06-23 | 2015-11-18 | Tcl空调器(中山)有限公司 | Water heating machine |
| CN207006565U (en) * | 2017-04-17 | 2018-02-13 | 珠海格力电器股份有限公司 | air energy water heater |
-
2017
- 2017-04-17 CN CN201710249473.9A patent/CN106996644B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085145A (en) * | 1994-06-17 | 1996-01-12 | Toshiba Electric Appliance Co Ltd | Electric water heater |
| DE102007031871B3 (en) * | 2007-07-06 | 2008-07-31 | Stiebel Eltron Gmbh & Co. Kg | Electric domestic service device comprises first storage tank with heat exchanger, and second storage tank designed as laminated storage tank and serving for supplying hot water |
| CN102022831A (en) * | 2009-09-21 | 2011-04-20 | 乐金电子(天津)电器有限公司 | Energy-saving water tank of heat pump water heater |
| CN103245055A (en) * | 2012-02-03 | 2013-08-14 | 王静宇 | Directly-heated type and circular type integrated heat-pump water heater system |
| CN202532705U (en) * | 2012-03-22 | 2012-11-14 | 浙江中广电器有限公司 | Novel heat pump water heater with double water tanks |
| US20140202549A1 (en) * | 2013-01-23 | 2014-07-24 | Honeywell International Inc. | Multi-tank water heater systems |
| CN104879916A (en) * | 2015-05-27 | 2015-09-02 | 合肥美的暖通设备有限公司 | Heat pump water heater |
| CN204787192U (en) * | 2015-06-23 | 2015-11-18 | Tcl空调器(中山)有限公司 | Water heating machine |
| CN207006565U (en) * | 2017-04-17 | 2018-02-13 | 珠海格力电器股份有限公司 | air energy water heater |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207250A (en) * | 2019-07-02 | 2019-09-06 | 荏原冷热系统（中国）有限公司 | A kind of waste heat recycling accumulation of energy case and control method |
| CN110500778A (en) * | 2019-07-10 | 2019-11-26 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater and control method thereof |
| CN110500778B (en) * | 2019-07-10 | 2022-03-18 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater and control method thereof |
| WO2022042154A1 (en) * | 2020-08-25 | 2022-03-03 | 青岛海尔新能源电器有限公司 | Control method and device for heat pump water heater |
| CN112361597A (en) * | 2020-11-09 | 2021-02-12 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN112361597B (en) * | 2020-11-09 | 2024-08-09 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN114754520A (en) * | 2022-03-23 | 2022-07-15 | 浙江中广电器集团股份有限公司 | Variable-frequency air source hot water unit with double-coil water tank and control method thereof |
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