CN107120726A - A kind of heat pump fan coil units, unit heat supply method and Unit Combination device - Google Patents
A kind of heat pump fan coil units, unit heat supply method and Unit Combination device Download PDFInfo
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- CN107120726A CN107120726A CN201710355752.3A CN201710355752A CN107120726A CN 107120726 A CN107120726 A CN 107120726A CN 201710355752 A CN201710355752 A CN 201710355752A CN 107120726 A CN107120726 A CN 107120726A
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- water
- heat exchanger
- heat
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- cabinet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
Abstract
A kind of heat pump fan coil units, unit heat supply method and Unit Combination device, including：Cabinet, internal water circulation device, external water circulation device and hot air apparatus, the top return air grid of cabinet, the side bottom position of cabinet are provided with air outlet grate；Internal water circulation device includes heat exchanger, triple valve, water pump, water pot and electric heater, the water side of the water pump is connected by the input of water pipe and water pump, the output end of water pump is connected by the first interface of water pipe and triple valve, the second interface of triple valve is connected by the input of water pipe and heat exchanger, the output end of heat exchanger is connected by the backwater end of water pipe and water pot, and external water circulation device includes the triple valve, the heat exchanger, water inlet pipe and outlet pipe.Using internal heat resource and external heat source heat supply, heat supply is stable；Using lower section air-out, comfort is given people more preferable；Heat utilization ratio can be improved using outside heat supply with formation Unit Combination device parallel with one another, Unit Combination device between multiple units.
Description
Technical field
The present invention relates to heating equipment, especially a kind of heat pump fan coil units, unit heat supply method and unit group
Attach together and put.
Background technology
Fan coil units are mainly made up of low noise motor, coil pipe etc..Blower fan is by room air or outdoor mixing air
Interior is sent into after being cooled down or heated by surface cooler, indoor air temperature is reduced or is raised, will with the comfortableness for meeting people
Ask.Traditional fan coil typically uses single heat source, and such as China Patent Publication No. is a kind of 106016469 fan coil, bag
Include and inlet tube and outlet tube is included in housing and heat exchanger tube, the housing, the inlet tube and outlet tube extends transversely through heat exchanger tube, the water inlet pipe
Place is provided with the first reversal valve；The water outlet pipe part is provided with the second reversal valve；Second reversal valve is provided with the wind
The discharge port that medium is discharged in machine coil pipe.The fan coil units heating of this kind of single source can only use main frame or other heat
The hot water that source is provided, indoor end can not heat when no thermal source.
The air outlet position of traditional fan coil units is typically opened in the top of cabinet in addition, and such as Chinese patent is disclosed
Number be 105352049 a kind of fan coil units, be related to field of central air-conditioning and only need to set one on furred ceiling there is provided one kind
Individual opening and a cover plate can meet the fan coil units that fan coil units air blow and return and maintenance are required.Fan coil
Group includes body, heat-exchanger rig, blower fan, electric device, condensed water lifting/discharging device and refrigerant pipeline；It is provided with out on body
Air port and air inlet；Heat-exchanger rig is located at internal body and corresponding with air outlet position；Blower fan, which is located at internal body and is located at, to be changed
Thermal rear；Air outlet and air inlet may be contained within the front panel of body；Air inlet is located at the side of air outlet；Electrically fill
Put, condensed water lifting/discharging device and refrigerant pipeline are located at engine body exterior and positioned at the opposite side of air inlet；It is provided with body
Air inlet duct, air inlet duct extends to blower fan by air inlet.The mode existing defects of this kind of top air-out：When unit send hot blast
When, hot-air is to flow up, and can cause the top temperature height in heat supply space, and lower section temperature is low, and temperature field is uneven；In order to
The sendible temperature in heat supply space is set to reach requirement it is necessary to provide more heats, heat supply space above have accumulated substantial amounts of heat,
Heat waste is not saved；The hot blast sent from top blows to human body, because air heating causes relative humidity to decline, can allow people's body-sensing
Feel drying, it is uncomfortable.
The content of the invention
It is to be solved by this invention that a kind of heat pump fan coil units, unit heat supply method and unit are to provide with regard to problem
Combination unit, unit uses internal heat resource and external heat source heat supply, and heat supply is stable；Using lower section air-out, comfort is given people more preferable.
In order to solve the above technical problems, the technical scheme is that：A kind of heat pump fan coil units, including：
Dividing plate is provided with cabinet, the cabinet, space in cabinet is separated into the first cavity and the second cavity, the cabinet by dividing plate
Upper end be provided with return air grid, the side lower end of the cabinet is provided with air outlet grate.
Internal water circulation device, the internal water circulation device includes heat exchanger, triple valve, water pump, water pot and electrical heating
Device, the water side of the water pot is connected by the input of water pipe and water pump, and the output end of water pump passes through water pipe and triple valve
First interface is connected, and the second interface of triple valve is connected by the input of water pipe and heat exchanger, and the output end of heat exchanger passes through
The backwater end connection of water pipe and water pot, the water pot, water pump and triple valve are arranged in the first cavity, and the heat exchanger is arranged on
In second cavity, one end of heat exchanger is fixed on cabinet inwall, and the other end of heat exchanger is fixed on dividing plate, and the heat exchanger is in
Be obliquely installed, the outlet air surface of heat exchanger towards the air outlet grate and with the bottom of cabinet is at an acute angle sets.
External water circulation device, the external water circulation device includes the triple valve, the heat exchanger, water inlet pipe and gone out
The 3rd interface connection of water pipe, described water inlet pipe one end and triple valve, the other end of water inlet pipe is stretched out outside cabinet and provided with water inlet
Valve, one end of outlet pipe is connected with water pot, and the other end of outlet pipe stretches out cabinet and provided with outlet valve.
Hot air apparatus, the hot air apparatus includes blower fan and filter screen, and the blower fan and filter screen are arranged in the second cavity, filters
Net is arranged on the upper end of the second cavity at return air grid, and blower fan is arranged on the lower section of filter screen, and heat exchanger is arranged on blower fan
Lower section.
Unit of the present invention has two kinds of heat-supplying modes, and when there is external heat source, unit is used as end heat supply；When no outside
Water can be heated with electrical heating during thermal source, then pass through heat exchanger, blower fan heat supply.Traditional air-conditioning heat supply be furred ceiling, wall built-up or
It is the place air-supply apart from ground certain altitude, when unit is to send hot blast, hot-air is to flow up, and can cause heat supply
The top temperature in space is high, and lower section temperature is low, and temperature field is uneven；In order that the sendible temperature in heat supply space reaches requirement, just
More heats are provided, heat supply space above have accumulated substantial amounts of heat, and heat waste is not saved；In addition, given from top
Hot blast blows to human body, because air heating causes relative humidity to decline, human body sensory can be allowed to dry, uncomfortable.Unit of the present invention
For top top surface return air, unit side bottom air-out, the drawbacks of traditional heat supply scheme can be solved：Because unit is the heat sent
Wind, when unit is blown from below, hot-air is flowed up, and the temperature field ratio in heat supply space can be made to be blown from top air-supply and furred ceiling
It is uniform, human body is also in the high-temperature region of heat supply, and comfort level is not interfered with yet even if the temperature at the top of heat supplying air conditioning is low so that
It is more more energy efficient than apart from ground certain altitude air supply mode；Because lower preceding ground is blown, heat supply space temperature field is warm from top to bottom
Degree is gradually reduced, so sendible temperature is high, but situation about drying can be reduced.
As an improvement, the bottom of the cabinet is provided with castor；Bottom in the cabinet sets and set on water pond, the water pond
There is drainpipe, the side of cabinet is stretched out in one end of drainpipe.
As an improvement, the outer wall of the water pot and water pipe is covered with adiabator layer.
As an improvement, the heat pump also includes humidification device with fan coil units, the nozzle of humidification device is arranged on
The front of the outlet air surface of heat exchanger.
As an improvement, the heat exchanger be finned tube exchanger or micro-channel heat exchanger, the windward side of the heat exchanger with
Fan outlet is relative.
As an improvement, the water pot is located at the top of water pump, water pump is located at the top of triple valve, and the top of water pot is provided with row
Water level switch is provided with air valve, water pot.
As an improvement, being provided with supporting plate in second cavity, one end of supporting plate is fixed on cabinet inwall, the other end of supporting plate
It is fixed in bulkhead sides, the blower fan is fixed on supporting plate；The blower fan includes two spindle motor and positioned at motor both sides
Turbo blade, the air inlet of the blower fan is parallel with filter screen.
As an improvement, the heat pump also includes cold wind protection device, the cold wind protection device bag with fan coil units
Including to be arranged on is used for the Temperature Humidity Sensor of sense ambient temperature and humidity, is arranged in water pot for feeling between filter screen and blower fan
Survey the water temperature sensor of water temperature in water pot, set the heat exchange temperature for being used to sense water temperature in heat exchanger on heat exchangers to sense
Device and controller；After unit is opened, controller obtains temperature data by heat exchange temperature sensor, when water temperature in heat exchanger
Degree is less than when pre-seting, and the blower fan of unit will be not turned on, to prevent cold wind from blowing out, when heat exchange temperature just can higher than after pre-seting
Open blower fan.
The heat supply method of the present invention：
After unit is opened, controller obtains temperature data by heat exchange temperature sensor, when coolant-temperature gage is less than in heat exchanger
When pre-seting, the blower fan of unit will be not turned on, to prevent cold wind from blowing out, and can just be held after heat exchange temperature, which reaches, pre-sets temperature
Open blower fan；
When unit uses external heat source, unit water intaking valve and outlet valve are opened, the second interface of triple valve connects with the 3rd interface
Logical, hot water is flowed through electric heater and water air pump inoperative inside heat exchanger, unit by external heat source by external water circulation device,
Unit adjusts air quantity to control environment temperature by inflow temperature；When unit is without using external heat source, unit water intaking valve is closed
And outlet valve, electric heater and water pump inside unit open, and unit is by adjusting power, water pump and the blower fan shelves of electric heater
Position control environment temperature.
Blower fan is by fresh air out of, return air grid inhalation machine case the second cavity, and fresh air is sent to after filter screen filtration and is in
The heat exchanger of bottom, fresh air enters from the windward side of heat exchanger, and the outlet air surface carried out with heat exchanger after heat exchange from heat exchanger is defeated
Go out, because the outlet air surface of heat exchanger is inclined, the hot blast of output is exported from the side lower end of cabinet.
The fan coil units of the present invention can be combined the unit with used in parallel formed, and combination unit includes the wind of more than two
Machine coil pipe unit, the outlet pipe of all fan coil units is parallel with one another, and water inlet pipe is parallel with one another.
The beneficial effect brought compared with prior art of the present invention is：
1st, unit of the present invention has two kinds of heat-supplying modes, when there is external heat source, and unit is as end heat supply, when no outside heat
Water can be heated with electrical heating during source, then by heat exchanger, blower fan heat supply, overall heat supply is stable；
2nd, unit of the present invention is top top surface return air, unit side bottom air-out, the drawbacks of can solving traditional heat supply scheme：By
It is the hot blast sent in unit, when unit is blown from below, hot-air is flowed up, the temperature field ratio in heat supply space can be made from top
It is uniform that air-supply and furred ceiling are blown, and human body is also in the high-temperature region of heat supply, also will not even if the temperature at the top of heat supplying air conditioning is low
Comfort level is influenceed, so that more more energy efficient than apart from ground certain altitude air supply mode；Because lower preceding ground is blown, heat supply space temperature
Field is that temperature is gradually reduced from top to bottom, so sendible temperature is high, but situation about drying can be reduced；
3rd, unit has anti-cold wind defencive function：After unit is opened, heat exchange temperature sensor is sensed, when heat exchange temperature is low
After pre-seting, the blower fan of unit will be not turned on, to prevent cold wind from blowing out；
4th, compact overall structure of the present invention, small volume, are moved easily.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present invention.
Fig. 2 is internal structure schematic diagram I of the present invention.
Fig. 3 is internal structure schematic diagram II of the present invention.
Fig. 4 is the heat supplying pipeline figure of single unit of the present invention.
Fig. 5 is blower fan structure schematic diagram.
Fig. 6 is heat exchanger structure schematic diagram.
Fig. 7 is two units heat supplying pipeline figure in parallel.
Embodiment
With reference to Figure of description, the invention will be further described.
A kind of heat pump fan coil units, including：Cabinet 1, internal water circulation device, external water circulation device, hot blast
Device and anti-cold wind protection device.
As shown in figure 1, the cabinet 1 is rectangle, it include top surface, left surface, right flank, front cover, rear front cover and
Bottom surface, one side therein is removable, for installing the inner part of cabinet 1.The bottom of the cabinet 1 is provided with castor 8, convenient to move
Dynamic, unit can also hang wall installation simultaneously.Dividing plate 18 is provided with the cabinet 1, space in cabinet 1 is separated into first by dividing plate 18
Cavity and the second cavity.The upper end of the cabinet 1 is provided with return air grid 2, and the side upper end of cabinet is provided with return air grid, to increase
Intake；The wherein one side lower end position of the cabinet 1 is provided with air outlet grate 3, makes unit formation top return air of the present invention, side
The heat supply wind path of face bottom air-out.In addition, for convenience of being controlled to unit, control box 4, control box are set at the top of unit
4 are provided with control button.
As shown in Figures 2 to 4, the internal water circulation device includes heat exchanger 14, triple valve 11, water pump 17, the and of water pot 10
Electric heater 21.The water side of the water pump 17 is connected by water pipe with the input of water pump 17, and the output end of water pump 17 passes through
Water pipe is connected with the first interface of triple valve 11, and the second interface of triple valve 11 is connected by the input of water pipe and heat exchanger 14
Connect, the output end of heat exchanger 14 is connected by water pipe with the backwater end of water pot 10.The water pot 10, water pump 17 and triple valve 11 are set
Put in the first cavity, and the water pot 10 is located at the top of water pump 17, water pump 17 is located at the top of triple valve 11, to ensure water
The import of pump 17 has water, prevents water pump 17 from cavitating.The top of water pot 10 is provided with air bleeding valve, there is automatic exhaust steam valve and manual exhaust valve two
The form of kind：Automatic exhaust steam valve, air can be automatically drained out when there is air in system；Manual exhaust valve is, it is necessary to manual in debugging
Discharge system inner air.Water level switch, on-off model feedback are provided with water pot 10, effect is to ensure have inside water pot 10
Water, water shortage alarm requires moisturizing, plays guarantee system safety, and electrical heating safety, the safety of water pump 17, systematic function is optimal.Institute
The outer wall of water pot 10 and water pipe is stated covered with adiabator layer, after the water in unit is heated, prevents heat to scatter and disappear, unit possesses
Certain energy storage effect.As shown in fig. 6, the heat exchanger 14 is finned tube exchanger or micro-channel heat exchanger, the present embodiment
Heat exchanger 14 is finned tube exchanger, and its internal copper pipe is provided with multiple imports 143 and multiple outlets 142；The heat exchanger 14 is set
Put in the second cavity, the two ends of heat exchanger 14 are provided with connecting plate 141, and one end of heat exchanger is fixed on machine by connecting plate 141
The inwall of case 1, the other end of heat exchanger 14 is fixed on dividing plate 18 by connecting plate 141, and the heat exchanger 14 is inclined to set,
The outlet air surface 144 of heat exchanger 14 towards the air outlet grate 3 and with the bottom of cabinet 1 it is at an acute angle set, make by heat exchanger 14
The air outlet grate 3 from the side bottom of cabinet 1 that can smooth out of hot blast send out.When unit uses electric heater 21 plus hot water heating
When, due to using multigroup electrical heating scheme, it can accomplish that water temperature can adjust, therefore heating load can be adjusted according to environment temperature,
Accomplish that environment temperature is accurately controlled, reach the effect of energy-conservation.First cavity at the top of the second cavity with communicating, in the first cavity
The heat that the water pot 10 of tip position is distributed can be siphoned away by blower fan, and the partial heat is transported to heat exchanger and carries out heat exchange, heat
Amount utilization rate is greatly improved.
As shown in Figures 2 to 4, the external water circulation device includes the triple valve 11, the heat exchanger 14, water inlet pipe 20
With outlet pipe 21.Described one end of water inlet pipe 20 is connected with the 3rd interface of triple valve 11, and the other end of water inlet pipe 20 stretches out cabinet 1
Outside and provided with water intaking valve 6；One end of outlet pipe 21 is connected with water pot 10, and the other end of outlet pipe stretches out cabinet 1 and provided with water outlet
Valve 5.Water intaking valve 6 and outlet valve 5 are manually-operated gate.
As shown in Fig. 2 the hot air apparatus includes blower fan 9 and filter screen 16.As shown in figure 5, the blower fan 9 and filter screen 16 are set
Put in the second cavity, filter screen 16 is arranged on the top of the second cavity at return air grid, and blower fan is arranged under filter screen 16
Side, heat exchanger 14 is arranged on the lower section of blower fan 9, and the air inlet of the blower fan 9 is parallel with filter screen 16, the air outlet of blower fan 9 and
The windward side of heat exchanger 14 is relative.Supporting plate 15 is provided with second cavity, one end of supporting plate 15 is fixed on the inwall of cabinet 1, held in the palm
The other end of plate 15 is fixed on the side of dividing plate 18, and the blower fan 9 is fixed on supporting plate 15.The blower fan 9 includes two axle electricity
Machine 91 and the turbo blade 92 positioned at the both sides of motor 91, two turbo blades 92, two turbo blades pair are driven by motor 91
Heat exchanger air-supply, air quantity is big.
The anti-cold wind protection device, which includes being arranged between filter screen 16 and blower fan, is used for sense ambient temperature and humidity
Temperature Humidity Sensor, it is arranged in water pot 10 and is used to sense the water temperature sensor of water temperature in water pot 10, be arranged on heat exchanger 14
The upper temperature sensor of heat exchanger 14 and controller for being used to sense water temperature in heat exchanger 14；After unit is opened, controller passes through
The temperature sensor of heat exchanger 14 obtains temperature data, and when coolant-temperature gage is less than pre-seting in heat exchanger 14, the blower fan of unit will not
Open, to prevent cold wind from blowing out, blower fan can be just opened after the temperature of heat exchanger 14, which is higher than, to be pre-seted.
As shown in Fig. 2 the bottom in the cabinet 1 sets water pond 13, the water pond 13 is provided with drainpipe 7, drainpipe 7
One end stretch out the side of cabinet 1, water pond 13 is to prevent unit internal leakage.The heat pump is also included adding with fan coil units
Wet device 12, the nozzle of humidification device 12 is arranged on the front of the outlet air surface of heat exchanger 14.
Heat supply method of the present invention：
After unit is opened, controller obtains temperature data by the temperature sensor of heat exchanger 14, when coolant-temperature gage in heat exchanger 14
During less than pre-seting, the blower fan of unit will be not turned on, to prevent cold wind from blowing out, when the temperature of heat exchanger 14 just can higher than after pre-seting
Open blower fan.
When unit uses external heat source, unit water intaking valve and outlet valve, the second interface of triple valve 11 and the 3rd are opened
Interface is connected, and external heat source flows through hot water by external water circulation device the He of electric heater 21 inside heat exchanger 14, unit
Water pump 17 does not work, and unit adjusts air quantity to control environment temperature by inflow temperature；When unit is without using external heat source,
The electric heater 21 and water pump 17 closed inside unit water intaking valve and outlet valve, unit are opened, and unit is by adjusting electric heater
21 power, water pump 17 and blower fan gear control environment temperature；
Blower fan is by fresh air out of, return air grid 2 sucks cabinet 1 the second cavity, and fresh air is sent to after being filtered through screen pack 16 and is in
The heat exchanger 14 of bottom goes out, and fresh air enters from the windward side of heat exchanger 14, with after the carry out heat exchange of heat exchanger 14 from heat exchanger
14 outlet air surface output, because the outlet air surface of heat exchanger 14 is inclined, the side bottom of hot blast from the cabinet 1 of output is defeated
Go out.
Unit of the present invention has two kinds of heat-supplying modes, and when there is external heat source, unit is used as end heat supply；When no outside
Water can be heated with electrical heating during thermal source, then pass through heat exchanger 14, blower fan heat supply.Traditional air-conditioning heat supply is furred ceiling, wall built-up
Or apart from the place air-supply of ground certain altitude, when unit is to send hot blast, hot-air is to flow up, and can cause to supply
The top temperature of heat space is high, and lower section temperature is low, and temperature field is uneven；In order that the sendible temperature in heat supply space reaches requirement,
More heats will be provided, heat supply space above have accumulated substantial amounts of heat, and heat waste is not saved；In addition, being sent from top
Hot blast blow to human body, due to air heating cause relative humidity to decline, human body sensory can be allowed to dry, it is uncomfortable.Machine of the present invention
Group is top top surface return air, unit side bottom air-out, the drawbacks of can solving traditional heat supply scheme：Because unit is the heat sent
Wind, when unit is blown from below, hot-air is flowed up, and the temperature field ratio in heat supply space can be made to be blown from top air-supply and furred ceiling
It is uniform, human body is also in the high-temperature region of heat supply, and comfort level is not interfered with yet even if the temperature at the top of heat supplying air conditioning is low so that
It is more more energy efficient than apart from ground certain altitude air supply mode；Because lower preceding ground is blown, heat supply space temperature field is warm from top to bottom
Degree is gradually reduced, so sendible temperature is high, but situation about drying can be reduced.
In addition, as shown in fig. 7, the present invention unit can many be applied in combination, said by taking two units connected in series as an example
Bright, the water inlet pipe of the first unit and the second unit is in parallel and is connected with external heat source 22, the water inlet of the first unit and the second unit
Pipe is connected in parallel, and is then refluxed for heat source side, by the use of external heat source as energy input, is used for multiple units, and moment improves
Heat supply energy, is adapted to different spaces heat demand.
Claims (10)
1. a kind of heat pump fan coil units, it is characterised in that including：
Dividing plate is provided with cabinet, the cabinet, space in cabinet is separated into the first cavity and the second cavity, the cabinet by dividing plate
Upper end be provided with return air grid, the side lower end of the cabinet is provided with air outlet grate；
Internal water circulation device, the internal water circulation device includes heat exchanger, triple valve, water pump, water pot and electric heater, institute
The water side for stating water pot is connected by the input of water pipe and water pump, and the output end of water pump connects by the first of water pipe and triple valve
Mouthful connection, the second interface of triple valve is connected by the input of water pipe and heat exchanger, the output end of heat exchanger by water pipe with
The backwater end connection of water pot, the water pot, water pump and triple valve are arranged in the first cavity, and the heat exchanger is arranged on the second chamber
In vivo, one end of heat exchanger is fixed on cabinet inwall, and the other end of heat exchanger is fixed on dividing plate, and the heat exchanger is inclined to be set
Put, the outlet air surface of heat exchanger towards the air outlet grate and with the bottom of cabinet is at an acute angle sets；
External water circulation device, the external water circulation device includes the triple valve, the heat exchanger, water inlet pipe and water outlet
3rd interface of pipe, described water inlet pipe one end and triple valve is connected, and the other end of water inlet pipe is stretched out outside cabinet and provided with water intaking valve,
One end of outlet pipe is connected with water pot, and the other end of outlet pipe stretches out cabinet and provided with outlet valve；
Hot air apparatus, the hot air apparatus includes blower fan and filter screen, and the blower fan and filter screen are arranged in the second cavity, and filter screen is set
Put in the upper end of the second cavity at return air grid, blower fan is arranged on the lower section of filter screen, heat exchanger is arranged on the lower section of blower fan.
2. a kind of heat pump fan coil units according to claim 1, it is characterised in that：The bottom of the cabinet is provided with
Castor；Bottom in the cabinet sets water pond, and the water pond is provided with drainpipe, and the side of cabinet is stretched out in one end of drainpipe
Face.
3. a kind of heat pump fan coil units according to claim 1, it is characterised in that：Outside the water pot and water pipe
Wall is covered with adiabator layer.
4. a kind of heat pump fan coil units according to claim 1, it is characterised in that：The heat pump fan coil
Unit also includes humidification device, and the nozzle of humidification device is arranged on the front of the outlet air surface of heat exchanger.
5. a kind of heat pump fan coil units according to claim 1, it is characterised in that：The heat exchanger is finned tube
Heat exchanger or micro-channel heat exchanger, the windward side of the heat exchanger are relative with fan outlet.
6. a kind of heat pump fan coil units according to claim 1, it is characterised in that：The water pot is located at water pump
Top, water pump is located at the top of triple valve, and the top of water pot, which is provided with air bleeding valve, water pot, is provided with water level switch.
7. a kind of heat pump fan coil units according to claim 1, it is characterised in that：It is provided with second cavity
Supporting plate, one end of supporting plate is fixed on cabinet inwall, and the other end of supporting plate is fixed in bulkhead sides, and the blower fan is fixed on supporting plate
On；The blower fan includes two spindle motor and the turbo blade positioned at motor both sides, and the air inlet of the blower fan is equal with filter screen
OK.
8. a kind of heat pump fan coil units according to claim 1, it is characterised in that：The heat pump fan coil
Unit also includes cold wind protection device, and the cold wind protection device includes being arranged on to be used to sense environment temperature between filter screen and blower fan
Degree and the Temperature Humidity Sensor of humidity, it is arranged in water pot and is used to sense the water temperature sensor of water temperature in water pot, be arranged on and change
It is used for the heat exchange temperature sensor and controller for sensing water temperature in heat exchanger on hot device；After unit is opened, controller passes through
Heat exchange temperature sensor obtains temperature data, and when coolant-temperature gage is less than pre-seting in heat exchanger, the blower fan of unit will be not turned on,
To prevent cold wind from blowing out, blower fan can be just opened after heat exchange temperature, which reaches, pre-sets temperature.
9. a kind of heat supply method of heat pump fan coil units as claimed in claim 1, it is characterised in that：
After unit is opened, controller obtains temperature data by heat exchange temperature sensor, when coolant-temperature gage is less than in heat exchanger
When pre-seting, the blower fan of unit will be not turned on, to prevent cold wind from blowing out, and can just be held after heat exchange temperature, which reaches, pre-sets temperature
Open blower fan；
When unit uses external heat source, unit water intaking valve and outlet valve are opened, the second interface of triple valve connects with the 3rd interface
Logical, hot water is flowed through electric heater and water air pump inoperative inside heat exchanger, unit by external heat source by external water circulation device,
Unit adjusts air quantity to control environment temperature by inflow temperature；When unit is without using external heat source, unit water intaking valve is closed
And outlet valve, electric heater and water pump inside unit open, and unit is by adjusting power, water pump and the blower fan shelves of electric heater
Position control environment temperature；
Blower fan is by fresh air out of, return air grid inhalation machine case the second cavity, and fresh air is sent in bottom after filter screen filtration
Heat exchanger, fresh air enters from the windward side of heat exchanger, carries out after heat exchange exporting from the outlet air surface of heat exchanger with heat exchanger, by
Inclined in the outlet air surface of heat exchanger, the hot blast of output is exported from the side lower end of cabinet.
10. a kind of combination unit of heat pump fan coil units as claimed in claim 1, it is characterised in that：Including two with
On fan coil units, the outlet pipe of all fan coil units is parallel with one another, and water inlet pipe is parallel with one another.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710355752.3A CN107120726A (en) | 2017-05-16 | 2017-05-16 | A kind of heat pump fan coil units, unit heat supply method and Unit Combination device |
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| CN201710355752.3A CN107120726A (en) | 2017-05-16 | 2017-05-16 | A kind of heat pump fan coil units, unit heat supply method and Unit Combination device |
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| CN107120726A true CN107120726A (en) | 2017-09-01 |
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| CN201710355752.3A Pending CN107120726A (en) | 2017-05-16 | 2017-05-16 | A kind of heat pump fan coil units, unit heat supply method and Unit Combination device |
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| CN108036431A (en) * | 2017-12-25 | 2018-05-15 | 广东美的暖通设备有限公司 | Air-conditioner set and module machine |
| CN108332286A (en) * | 2018-01-03 | 2018-07-27 | 杨文彬 | A kind of concealed installation ceiling type air conditioner indoor unit with water pump component |
| CN111731197A (en) * | 2020-06-28 | 2020-10-02 | 重庆长安汽车股份有限公司 | Handrail case and vehicle with heat preservation function |
| CN113587405A (en) * | 2021-07-26 | 2021-11-02 | 三门康创电子科技有限公司 | Air conditioner control method and system based on temperature correction |
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| CN113587405A (en) * | 2021-07-26 | 2021-11-02 | 三门康创电子科技有限公司 | Air conditioner control method and system based on temperature correction |
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