CN113465024A - Combined air conditioner indoor unit - Google Patents
Combined air conditioner indoor unit Download PDFInfo
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- CN113465024A CN113465024A CN202110662653.6A CN202110662653A CN113465024A CN 113465024 A CN113465024 A CN 113465024A CN 202110662653 A CN202110662653 A CN 202110662653A CN 113465024 A CN113465024 A CN 113465024A
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- 238000010248 power generation Methods 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 claims description 13
- 230000002070 germicidal effect Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/028—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by using hydropower, e.g. using water powered turbines
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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
- F24F13/20—Casings or covers
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioners, and particularly relates to a combined type air conditioner indoor unit. The invention aims to solve the problems that the existing combined air conditioner indoor unit is not provided with a device for directly detecting whether the drainage of the drainage pipe is normal or not, so that the combined air conditioner indoor unit is easy to leak water, corrode related devices, leak electricity and the like. For the purpose, in the combined air conditioner indoor unit, the power generation device is arranged in the drain pipe connected to the water pan, when water of the water pan flows out through the drain pipe, the power generation device can be driven to generate electric energy, the actual power generation amount of the power generation device within a set time length can be detected simultaneously, and when the actual difference value between the actual power generation amount and the predicted power generation amount within the set time length is larger than or equal to the preset difference value, warning information is sent to a user. Thus, the user can know the drainage condition of the condensed water in time by detecting the power generation amount of the power generation device in the drainage pipe in real time.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a combined type air conditioner indoor unit.
Background
The indoor unit of a combined type air conditioner is generally used for temperature regulation of the inside of a large building space. When the indoor unit of the combined air conditioner works, wind flow enters the shell from the air inlet on the shell of the indoor unit of the combined air conditioner, and is sent to the indoor by the fan after sequentially passing through the filter and the surface cooler. The surface air cooler is arranged in the refrigerant circulating system and used as an evaporator, the water receiving disc is arranged below the surface air cooler, condensed water can be generated on the surface of the surface air cooler when hot air meets the surface air cooler with lower temperature, and the condensed water is collected by the water receiving disc and then is discharged outdoors in a centralized mode through the water discharging pipe.
However, there is no device for directly detecting whether the drainage of the drainage pipe is normal in the indoor unit of the existing combined air conditioner. If the condensate water is not discharged smoothly, the condensate water overflows from the water receiving disc, the indoor unit of the combined air conditioner is further leaked, and the condensate water corrodes a correlator part in the indoor unit of the combined air conditioner and has the risks of electric leakage and the like.
Accordingly, there is a need in the art for a new combination type air conditioner indoor unit that solves the above problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problems that the existing combined air conditioner indoor unit is not provided with a device for directly detecting whether the drainage of the drainage pipe is normal or not, so that the combined air conditioner indoor unit is easy to leak water, corrode related devices, leak electricity and the like, the invention provides the combined air conditioner indoor unit.
The invention provides a combined type air conditioner indoor unit, which comprises a shell, a surface cooler, a water receiving disc, a drain pipe, a power generation device and a storage battery, wherein the surface cooler is arranged on the shell; the shell is provided with an air inlet and an air outlet, the surface air cooler and the water pan are arranged in the shell, the water pan is positioned below the surface air cooler, the water pan is connected with the drain pipe, and the power generation device is arranged in the drain pipe; the power generation device is electrically connected with the storage battery; further comprising a controller for: acquiring the actual generating capacity of the generating set within a set time length; calculating an actual difference value of the actual generated energy and the predicted generated energy in a set time length; comparing the actual difference value with a preset difference value; and when the actual difference value is greater than or equal to the preset difference value, warning information is sent to a user.
As a preferred technical solution of the above-mentioned indoor unit of an air conditioner, the controller is further configured to calculate the predicted power generation amount according to a known fitting formula, where independent variables in the fitting formula include an air inlet humidity, an air inlet temperature, and an air outlet temperature of the indoor unit of the air conditioner.
As a preferable technical solution of the above-mentioned indoor unit of a combined air conditioner provided by the present invention, an electric device is further disposed in the casing, and a switch is disposed between the electric device and the storage battery; the electricity utilization device comprises an ultraviolet germicidal lamp and/or a maintenance lamp arranged in the shell.
As a preferred technical solution of the above-mentioned indoor unit of a combined air conditioner provided by the present invention, the switch provided on the access door on the housing is a travel switch, and the travel switch is connected between the storage battery and the access lamp; the travel switch is matched with the access door and is arranged to be switched on when the access door is opened and switched off when the access door is closed.
As a preferred technical solution of the above-mentioned indoor unit of a combined air conditioner provided by the present invention, the access door includes a door frame and a door body hinged to the door frame by a hinge shaft; the travel switch is arranged at the opposite end of the hinged shaft at the inner side of the door frame; the travel switch comprises a shell, an elastic sheet and a contact rod; one end of the elastic sheet is connected to the shell, the other end of the elastic sheet extends to a door opening of the door frame, a spring is arranged between the feeler lever and the inner wall of the shell, and one end of the feeler lever extends out of the shell and is opposite to the elastic sheet; the travel switch is arranged in a way that the door body abuts against the elastic sheet when the access door is closed, the elastic sheet presses the contact rod into the shell, and the elastic sheet is separated from the contact rod and the contact rod extends out of the shell when the access door is opened.
As a preferable technical solution of the above-mentioned indoor unit of a combined air conditioner provided by the present invention, a first terminal on the casing is electrically connected to the storage battery, and a second terminal on the casing is electrically connected to the maintenance lamp; the first binding post is also connected with a first conducting strip arranged at the inner end of the feeler lever through a lead; the second binding post is also connected with a second conducting strip through a wire, the second conducting strip is fixed in the shell, and the second conducting strip is over against the first conducting strip and is positioned on one side of the first conducting strip, which faces the outer end of the contact rod; when the contact rod extends outwards, the first conducting strip is contacted with the second conducting strip.
As a preferred technical solution of the above-mentioned indoor unit of a combined air conditioner provided by the present invention, a body of a generator in the power generation device is fixed in the drain pipe through a fixing frame, and a main shaft of the generator, which is connected with a propeller, is parallel to an axial direction of the drain pipe; or a main shaft of a generator in the power generation device, which is connected with a propeller, is vertical to the axial direction of the water drainage pipe, and at least part of the propeller extends into the water drainage pipe.
As a preferable technical solution of the indoor unit of the combined air conditioner provided by the present invention, the indoor unit further comprises at least one of a voice alarm and a warning light.
As a preferable technical solution of the indoor unit of the combined air conditioner provided by the present invention, the drain pipe is provided with a filter member at a water inlet side of the power generation device.
As a preferred technical solution of the above-mentioned combined air conditioner indoor unit provided by the present invention, the filter of the combined air conditioner indoor unit located in the casing is disposed on one side of the surface air cooler near the air inlet; and a fan of the indoor unit of the combined air conditioner, which is positioned in the shell, is arranged on one side of the surface air cooler, which is close to the air outlet.
In the combined air conditioner indoor unit provided by the invention, the water pan is arranged below the surface cooler in the shell, the power generation device is arranged in the drain pipe connected to the water pan, when water of the water pan flows out through the drain pipe, the power generation device can be driven to generate electric energy, the actual generated energy of the power generation device in a set time length can be detected simultaneously, and when the actual difference value between the actual generated energy and the predicted generated energy in the set time length is greater than or equal to the preset difference value, warning information is sent to a user. Therefore, the user can know the drainage condition of the condensed water in time by detecting the generating capacity of the generating set in the drainage pipe in real time, and the problems of water leakage, water overflow, electric leakage and the like of the indoor unit of the combined air conditioner are prevented.
In addition, in the combined type air conditioner indoor unit provided by the invention, the power generation device in the drain pipe is electrically connected with the storage battery so as to store the electric energy generated by the power generation device in the storage battery. And a travel switch is arranged between the storage battery and the maintenance lamp, when the maintenance door is opened, the travel switch controls the maintenance lamp to illuminate, and when the maintenance door is closed, the travel switch controls the maintenance lamp to close. So, can fully, effectively utilize the electric energy that power generation facility produced in the drain pipe, the maintenance lamp need not to recycle extra electric energy, has realized drainage situation and has detected and energy-conserving dual purpose.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are for illustrative purposes only and are not intended to constitute a limitation on the scope of the present invention. Moreover, like numerals are used to indicate like parts throughout the figures. The combined type air conditioner indoor unit of the present invention will be described with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic structural view of a combined type air conditioner indoor unit according to the present embodiment;
fig. 2 is a schematic structural view of a drain pipe in the indoor unit of the combined air conditioner according to the present embodiment;
fig. 3 is a schematic view illustrating a connection structure of an access door in the indoor unit of the combined air conditioner according to the present embodiment;
fig. 4 is a schematic structural diagram of a travel switch in the indoor unit of the combined air conditioner according to the present embodiment;
fig. 5 is a schematic view of a connection structure between a power generation device, a storage battery and an inspection lamp in the indoor unit of the combined air conditioner according to the present embodiment;
fig. 6 is a flow chart of an execution procedure of the controller in the indoor unit of the combined air conditioner of the present embodiment.
List of reference numerals
1-a housing; 11-an air inlet; 12-an air outlet; 13-an access door; 14-a door handle;
2-surface cooler; 21-a water pan; 22-a drain pipe; 23-Filter element
3, a generator; 31-a propeller; 32-a fixed mount;
4-a current detector; 41-a transformer; 42-a storage battery; 43-maintenance light;
5-a travel switch; 51-a housing; 52-a spring plate; 53-feeler lever; 54-a first terminal post; 55-a second terminal post;
6-a filter; 7-a fan.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to solve the above problems in the prior art, that is, to solve the problems that the water leakage, corrosion of related devices, electric leakage and the like of the indoor unit of the combined air conditioner are easily caused by the device which does not directly detect whether the water is drained from the drain pipe in the indoor unit of the combined air conditioner.
In the indoor unit of a combined air conditioner provided by the invention, as shown in fig. 1, the indoor unit comprises a shell 1, a surface air cooler 2, a water pan 21, a drain pipe 22, a power generation device and a storage battery 42; the shell 1 is provided with an air inlet 11 and an air outlet 12, the surface air cooler 2 and the water pan 21 are arranged in the shell 1, the water pan 21 is positioned below the surface air cooler 2, the water pan 21 is connected with a drain pipe 22, and the power generation device is arranged in the drain pipe 22; the power generation device is electrically connected with the storage battery 42; also included is a controller for executing the following program:
and S1, acquiring the actual power generation amount of the power generation device in the set time length.
It should be noted that the current detector 4 may be connected to the current output terminal of the power generation device, and the current front-side device 4 is connected to the electronic control board where the controller is located in a communication manner, so as to obtain the actual power generation amount of the power generation device. Further, the actual amount of power generation by the power generation device can also be obtained from the change in the amount of power in the battery 42. The set time can be set to be 20 minutes, 30 minutes or 1 hour and the like, and the set time can refer to the time required by the water receiving disc in the indoor unit of the combined air conditioner to reach the maximum amount of condensed water.
S2, calculating the actual difference value of the actual power generation amount and the predicted power generation amount in the set time length.
For example, the predicted amount of power generation may also be the minimum amount of power generation within the set period of time that is empirically obtained.
And S3, comparing the actual difference value with a preset difference value.
And S4, sending a warning message to the user when the actual difference value is larger than or equal to the preset difference value.
It can be understood that when the actual difference is greater than or equal to the preset difference, it indicates that the actual power generation amount of the power generation device in the indoor unit of the combined air conditioner is smaller within the set time period, and at this time, the user needs to be reminded to know the drainage condition of the condensed water in time, so that the problems of water leakage, water overflow, electric leakage and the like of the indoor unit of the combined air conditioner are prevented.
Illustratively, the filter 6 of the combined air conditioner indoor unit, which is positioned in the shell 1, is arranged on one side of the surface air cooler 2, which is close to the air inlet 11; the fan 7 of the indoor unit of the combined air conditioner, which is positioned in the shell 1, is arranged on one side of the surface air cooler 2, which is close to the air outlet 12. When the indoor unit of the combined air conditioner works, wind flow enters the shell 1 from the air inlet 11 on the shell 1 of the indoor unit of the combined air conditioner, passes through the filter 6 and the surface air cooler 2 in sequence and is sent to the indoor by the fan 7. The surface air cooler 2 is arranged in the refrigerant circulating system and used as an evaporator, it can be understood that the refrigerant circulating system further comprises a compressor, an electronic expansion valve, a condenser and the like, a water receiving disc 21 is arranged below the surface air cooler 2, when hot air meets the surface air cooler 2 with lower temperature, condensed water can be generated on the surface of the surface air cooler 2, and the condensed water is collected through the water receiving disc 21 and then is discharged to the outside through a water discharge pipe 22 in a centralized mode.
The power generation device comprises a generator 3 and a propeller 31 arranged on a main shaft of the generator 3, and in order to enable the power generation device to generate electric energy by utilizing water flow in a drain pipe 22, as shown in fig. 2, a body of the generator 3 in the power generation device is fixed in the drain pipe 22 through a fixing frame 32, and the main shaft of the generator 3 connected with the propeller 31 is parallel to the axial direction of the drain pipe 22. Furthermore, as shown in fig. 1, the power generation device may be arranged such that a main shaft of the power generation unit 3 to which a propeller 31 is connected is perpendicular to an axial direction of the drain pipe 22, and at least a portion of the propeller 31 protrudes into the drain pipe 22. Meanwhile, in order to prevent impurities from affecting the normal operation of the power generation device, the drain pipe 22 may be further provided with a filter member 23 on the water inlet side of the power generation device.
Further, the actual amount of power generation by the power generation device for a set period of time may be detected by the current detector 4 as shown in fig. 5. The generator 3 of the power generation device is connected with a current detector 4, and the current passes through the current detector 4 and then is converted into a voltage suitable for charging the storage battery 42 through the transformation action of the transformer 41. In addition, when the actual difference value is larger than or equal to the preset difference value, warning information is sent to the user. Further, the combined air conditioner also comprises at least one of a voice alarm and a warning light. The user may be alerted, for example, by a buzzer, a speaker, or the like. The buzzer and speaker may also use the power from the battery 42.
As a preferred embodiment of the above-mentioned indoor unit of a combined air conditioner provided in this embodiment, an electric device is further disposed in the casing 1, and a switch is disposed between the electric device and the storage battery 42; the power consuming device may be an ultraviolet germicidal lamp and/or a service lamp 43 arranged in the housing 1. For example, another transformer 41 is further disposed between the storage battery 42 and the service lamp 43 in fig. 5, and the transformer 41 converts the voltage output by the storage battery 52 into a voltage adapted to the service lamp 43. Wherein, the inside of the indoor unit of the combined air conditioner can be sterilized by using the sterilization function of the ultraviolet sterilization lamp, and the electric energy in the storage battery 42 can be effectively utilized.
In order to avoid the occurrence of leakage or electric shock accidents due to poor insulation of related devices of the air conditioner or due to humidity of the environment, the transformer 41 in fig. 5 is connected to the live line (L) and the zero line (N) of the storage battery 42, wherein a grounding wire (Pe) may be connected to a metal case of the air conditioner, and the other end of the grounding wire is connected to the ground, so that the grounding wire brings static electricity to the ground to release the static electricity when the electric appliance leaks electricity.
Further, the controller is specifically configured to calculate the predicted power generation amount according to a known fitting formula, and the independent variables in the fitting formula may include an air inlet humidity, an air inlet temperature, an air outlet temperature, and the like of the indoor unit of the combined air conditioner. It can be understood that the fitting formula can be obtained by presetting a mathematical model between the predicted power generation amount and the air inlet humidity, the air inlet temperature and the air outlet temperature of the indoor unit of the combined air conditioner and then obtaining all parameters in the mathematical model according to experimental data. The set time may be 20 minutes, 30 minutes or 1 hour, and the time required for the water receiving tray to reach the maximum amount of condensed water may be referred to. Further, the predicted amount of power generation may also be a minimum amount of power generation within the set period of time that is empirically obtained.
It should be noted that the controller is one of the main components of the processor, and the indoor unit of the combined air conditioner provided in this embodiment further includes: a memory and a processor. The memory is stored with a control program capable of running on the processor, and the control program realizes steps S1 to S4 of the present embodiment when executed by the processor. The memory includes, but is not limited to, a random access memory, a flash memory, a read only memory, a programmable read only memory, a volatile memory, a non-volatile memory, a serial memory, a parallel memory, or a register, and the processor includes, but is not limited to, a CPLD/FPGA, a DSP, an ARM processor, a MIPS processor, and the like. Such well-known structures are not shown in the drawings in order to not unnecessarily obscure embodiments of the present disclosure.
In the indoor unit of the combined air conditioner provided by the embodiment, the water pan 21 is arranged below the surface cooler 2 in the shell 1, the power generation device is arranged in the drain pipe 22 connected to the water pan 21, when water in the water pan 21 flows out through the drain pipe 22, the power generation device can be driven to generate electric energy, the actual power generation amount of the power generation device in a set time length can be detected simultaneously, and when the actual difference value between the actual power generation amount and the predicted power generation amount in the set time length is greater than or equal to the preset difference value, warning information is sent to a user. Therefore, by detecting the power generation amount of the power generation device in the drain pipe 22 in real time, the user can know the drainage condition of the condensed water in time, and the problems of water leakage, water overflow, electric leakage and the like of the indoor unit of the combined air conditioner are prevented.
As a preferred embodiment of the above-mentioned indoor unit of a combined air conditioner provided in this embodiment, as shown in fig. 3 to 5, the switch arranged on the access door 13 on the casing 1 is a travel switch 5, and the travel switch 5 is connected between the storage battery 42 and the access lamp 43; the travel switch 5 is arranged in cooperation with the access door 13 such that the travel switch 5 is on when the access door 13 is open and the travel switch 5 is off when the access door 13 is closed.
Note that the power generation device in the drain pipe 22 is electrically connected to the battery 42 to store electric energy generated by the power generation device in the battery 42. And, a travel switch 5 is provided between the battery 42 and the inspection lamp 43, and when the inspection door 13 is opened, the travel switch 5 controls the inspection lamp 43 to illuminate, and when the inspection door 13 is closed, the travel switch 5 controls the inspection lamp 43 to close. Thus, the electric energy generated by the power generation device in the drain pipe 22 can be fully and effectively utilized, the maintenance lamp 43 does not need to reuse extra electric energy, and the dual purposes of drainage condition detection and energy saving are achieved.
As a preferred embodiment of the above-mentioned indoor unit of a combined air conditioner provided in this embodiment, as shown in fig. 1, 3 and 4, the access door 13 includes a door frame and a door body hinged to the door frame by a hinge shaft; a travel switch 5 is arranged at the opposite end of the hinge shaft at the inner side of the door frame; the travel switch 5 comprises a shell 51, an elastic sheet 52 and a contact rod 53; one end of the elastic sheet 52 is connected to the shell 51, the other end of the elastic sheet extends to the door of the door frame, a spring is arranged between the feeler lever 53 and the inner wall of the shell 51, and one end of the feeler lever 53 extends out of the shell 51 and is opposite to the elastic sheet 52; the travel switch 5 is arranged such that when the access door 13 is closed, the door body abuts against the spring piece 52, the spring piece 52 presses the contact rod 53 into the housing 51, and when the access door 13 is opened, the spring piece 52 is separated from the contact rod 53 and the contact rod 53 extends out of the housing 51. A door handle 14 is provided to the door body of the access door 13 shown in fig. 1 and 3.
Further, a first terminal 54 on the shell 51 is electrically connected with the storage battery 42, and a second terminal 55 on the shell 51 is electrically connected with the maintenance lamp 43; the first binding post 54 is also connected with a first conducting strip arranged at the inner end of the contact rod 53 through a conducting wire; the second terminal 55 is further connected to a second conductive plate through a wire, the second conductive plate is fixed inside the housing 51, and the second conductive plate faces the first conductive plate and is located on one side of the first conductive plate facing the outer end of the contact rod 53; when the contact rod 53 extends outward, the first conductive plate contacts the second conductive plate.
It should be noted that the present embodiment is described only by taking the travel switch 5 shown in fig. 3 and 4 as an example, but the present invention is not to be construed as limiting the structure and type of the travel switch 5. Other travel switches 5 are also within the scope of the invention as long as the purpose of enabling the travel switch 5 to be on when the access door 13 is open and the travel switch 5 to be off when the access door 13 is closed is achieved.
As a preferred implementation manner of the above-mentioned combined air conditioner indoor unit provided in this embodiment, the air duct of the combined air conditioner indoor unit includes an air inlet section, a surface cooling section, a fan section, an inspection section, a filtering section, and an air outlet section, which are connected in sequence, an inspection door is provided on a housing corresponding to the inspection section, and a filter 6 is provided in the filtering section. It will be appreciated by those skilled in the art that a surface air cooler is provided in the surface cooling section and a fan 7 is provided in the fan section. In addition, can also set up the primary filter section between air inlet section and the cold section of table, set up the primary filter at the primary filter section. The air inlet section, the primary filter section, the surface cooling section, the fan section, the maintenance section, the efficient filter section and the air outlet section are air flow gaps formed between the air conditioner framework and the device at corresponding positions, and the air flow gaps are communicated to form an air channel.
The filter 6 comprises a frame and a filter body fixed in the frame; the two opposite sides of the frame form an air inlet side and an air outlet side respectively, and the filter body is provided with filter holes communicated with the air inlet side and the air outlet side. Still through setting up the ultraviolet germicidal lamp on the frame of filter 6, compare earlier in current air conditioner respectively independently set up the filter segment and disinfect the section, practiced thrift the inner space of air conditioner for the air conditioner can be in narrower and small space installation, has improved the application scope of air conditioner.
Further, in order to avoid the problem that ultraviolet light emitted by the ultraviolet germicidal lamp damages skin and eyes of people due to the fact that a maintainer forgets to turn off the ultraviolet germicidal lamp when the access door of the access section needs to be opened to overhaul the interior of the air conditioner, the ultraviolet germicidal lamp can be controlled through the travel switch; when the access door is opened, the ultraviolet germicidal lamp can be ensured to be disconnected.
Of course, the above alternative embodiments, and the alternative embodiments and the preferred embodiments can also be used in a cross-matching manner, so that a new embodiment is combined to be suitable for a more specific application scenario.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A combined air conditioner indoor unit is characterized by comprising a shell, a surface cooler, a water pan, a drain pipe, a power generation device and a storage battery;
the shell is provided with an air inlet and an air outlet, the surface air cooler and the water pan are arranged in the shell, the water pan is positioned below the surface air cooler, the water pan is connected with the drain pipe, and the power generation device is arranged on the drain pipe; the power generation device is electrically connected with the storage battery; further comprising a controller for:
acquiring the actual generating capacity of the generating set within a set time length;
calculating an actual difference value of the actual generated energy and the predicted generated energy in a set time length;
comparing the actual difference value with a preset difference value;
and when the actual difference value is greater than or equal to the preset difference value, warning information is sent to a user.
2. The indoor unit of claim 1, wherein the controller is further configured to calculate the predicted power generation based on a known fit formula; the independent variables in the fitting formula comprise the air inlet humidity, the air inlet temperature and the air outlet temperature of the indoor unit of the combined air conditioner.
3. The indoor unit of claim 1, wherein an electricity utilization device is further disposed in the casing, and a switch is disposed between the electricity utilization device and the storage battery;
the electricity utilization device comprises an ultraviolet germicidal lamp and/or a maintenance lamp arranged in the shell.
4. The indoor unit of claim 3, wherein the switch disposed on the access door of the casing is a travel switch, and the travel switch is connected between the storage battery and the access lamp;
the travel switch is matched with the access door and is arranged to be switched on when the access door is opened and switched off when the access door is closed.
5. The indoor unit of a combined air conditioner according to claim 4, wherein the access door comprises a door frame and a door body hinged to the door frame by a hinge shaft;
the travel switch is arranged at the opposite end of the hinged shaft at the inner side of the door frame;
the travel switch comprises a shell, an elastic sheet and a contact rod; one end of the elastic sheet is connected to the shell, the other end of the elastic sheet extends to a door opening of the door frame, a spring is arranged between the feeler lever and the inner wall of the shell, and one end of the feeler lever extends out of the shell and is opposite to the elastic sheet;
the travel switch is arranged in a way that the door body abuts against the elastic sheet when the access door is closed, the elastic sheet presses the contact rod into the shell, and the elastic sheet is separated from the contact rod and the contact rod extends out of the shell when the access door is opened.
6. The indoor unit of claim 5, wherein a first terminal on the housing is electrically connected to the battery, and a second terminal on the housing is electrically connected to the service light;
the first binding post is also connected with a first conducting strip arranged at the inner end of the feeler lever through a lead;
the second binding post is also connected with a second conducting strip through a wire, the second conducting strip is fixed in the shell, and the second conducting strip is over against the first conducting strip and is positioned on one side of the first conducting strip, which faces the outer end of the contact rod;
when the contact rod extends outwards, the first conducting strip is contacted with the second conducting strip.
7. The indoor unit of a combined air conditioner according to claim 1, wherein a body of a generator in the power generation device is fixed in the drain pipe through a fixing frame, and a main shaft of the generator, which is connected with a propeller, is parallel to the axial direction of the drain pipe; alternatively, the first and second electrodes may be,
a main shaft of a generator in the power generation device, which is connected with a propeller, is vertical to the axial direction of the water drainage pipe, and at least part of the propeller extends into the water drainage pipe.
8. The indoor unit of claim 1, further comprising at least one of a voice alarm and a warning light.
9. The indoor unit of claim 1, wherein the drain pipe is provided with a filter member at a water inlet side of the power generation device.
10. The combined air conditioner indoor unit as claimed in claim 1, wherein the filter of the combined air conditioner indoor unit located in the casing is disposed at a side of the surface air cooler adjacent to the air intake;
and a fan of the indoor unit of the combined air conditioner, which is positioned in the shell, is arranged on one side of the surface air cooler, which is close to the air outlet.
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| CN202110662653.6A CN113465024A (en) | 2021-06-15 | 2021-06-15 | Combined air conditioner indoor unit |
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| CN202110662653.6A CN113465024A (en) | 2021-06-15 | 2021-06-15 | Combined air conditioner indoor unit |
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