CN106225179B - Wall-mounted jet air conditioning unit and control method thereof - Google Patents
Wall-mounted jet air conditioning unit and control method thereof Download PDFInfo
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- CN106225179B CN106225179B CN201610815454.3A CN201610815454A CN106225179B CN 106225179 B CN106225179 B CN 106225179B CN 201610815454 A CN201610815454 A CN 201610815454A CN 106225179 B CN106225179 B CN 106225179B
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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
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
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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
- F24F13/28—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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
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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
- F24F2013/205—Mounting a ventilator fan therein
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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
- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an air conditioning unit, in particular to a wall-mounted jet flow air conditioning unit and a control method thereof. The unit comprises a shell and a spherical nozzle device, and further comprises two proportional control airtight air valves, two refrigeration heat exchangers and two speed-adjustable fans, wherein the spherical nozzle device is arranged in the middle of the front end face of the shell, the speed-adjustable fans are respectively installed at the left end and the right end of the shell, the proportional control airtight air valves are respectively installed at the end faces of the left end and the right end of the shell, and the refrigeration heat exchangers are respectively installed at the two sides of the back of the spherical nozzle device inside the shell. The invention respectively arranges a proportional control airtight air valve and an adjustable speed fan at two sides of a shell, a spherical nozzle device is arranged at the front end of the shell, two proportional control airtight air valves and two adjustable speed fans work simultaneously to realize a double-side air suction mode, one proportional control airtight air valve and one adjustable speed fan at the same side work simultaneously to realize a single-side air suction mode, and the proportional control airtight air valves arranged at two sides of the shell can realize a ventilation working mode.
Description
Technical Field
The invention relates to an air conditioning unit, in particular to a wall-mounted jet flow air conditioning unit and a control method thereof.
Background
In public areas (subway stations, airports, libraries and other areas), vertical jet air conditioning units or wall-top laid air pipes are generally selected to spray air outwards so as to meet the requirements of regional cold loads.
In the prior art, the name of the air conditioning unit is 201330351384.8, the air conditioning unit is a remote jet air conditioning unit, and the disclosed scheme is that a spherical nozzle device is arranged at the right end of a shell and connected with a fan, a dry type water condensation disc is arranged at the left end in the shell, a filter screen is arranged at the left side of the dry type water condensation disc, and a surface air cooler is arranged at the right side of the dry type water condensation disc. The structure of this scheme can only realize the unilateral and induced draft, can realize the refrigeration function moreover, can not realize the ventilation function.
Disclosure of Invention
The invention provides a wall-mounted jet air conditioning unit which can realize a double-side and single-side air suction mode and a refrigeration mode and a ventilation mode to overcome at least one defect (deficiency) of the prior art.
The invention further provides a control method of the wall-mounted jet air conditioning unit.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a hanging efflux air conditioning unit, includes casing, spherical spout device, still includes two airtight air valves of proportional control, two refrigeration heat exchangers and two adjustable speed fans, and spherical spout device sets up in the preceding terminal surface middle part of casing, and adjustable speed fan is respectively installed at both ends about the casing, and airtight air valve of proportional control is respectively installed to both ends terminal surface about the casing, and the inside spherical spout device that is located of casing both sides behind respectively installs a refrigeration heat exchanger.
The invention respectively arranges a proportional control airtight air valve and an adjustable speed fan at two sides of a shell, a spherical nozzle device is arranged at the front end of the shell, two proportional control airtight air valves and two adjustable speed fans work simultaneously to realize a double-side air suction mode, one proportional control airtight air valve and one adjustable speed fan at the same side work simultaneously to realize a single-side air suction mode, and the proportional control airtight air valves arranged at two sides of the shell can realize a ventilation working mode.
In the scheme, the inclination angles of the swing blades of the two proportional adjustment airtight air valves are adjustable within the range of 0-90 degrees. The inclination angle of the swing blade of the proportional control airtight air valve can be switched within the range of 0-90 degrees without resistance, and the working condition of variable air volume can be realized.
In the scheme, the proportional control closed air valve is a manual and electric dual-purpose driving air valve. The proportional control airtight air valve can be controlled in a manual or electric mode, and the working mode can be flexibly controlled.
In the scheme, the adjustable air speed machine has an adjusting range of 0-100% of air speed. The speed-adjustable fan can meet the stepless speed change operation within the adjusting range of 0-100%, the accurate matching of the air quantity can be realized, and the stable and reliable operation of the jet flow ventilation air conditioning unit under various working conditions is ensured.
In the above scheme, the refrigerant of the refrigeration heat exchanger is water or refrigerant.
A control method of a wall-mounted jet air conditioning unit adopts the wall-mounted jet air conditioning unit, and comprises the following steps:
when T ish≥T0When the air conditioner is in a full-return full-load refrigeration mode, the two proportional regulating closed air valves are electrified and then the opening degree of the swinging blade is regulated to be in a fully-opened state; starting the speed-adjustable fan to enable the speed-adjustable fan to run at full load; m1Starting the two refrigeration heat exchangers and other refrigeration system devices after the second; the set air supply temperature value T is measured in real time0Detected real-time return air temperature ThAnd real-time supply air temperature TsBy comparison, where M1Representing a preset first operation stable time judgment value;
when T is0＜Th＜T0+ Δ t', the full return air partial load cooling mode is performed, i.e. every interval M, with the full return air cooling mode stable2The opening of the swing blade of the closed air valve is adjusted according to the proportion of two ends of the adjusting shell to deviate from a fully opened state to be in a certain opening working condition, and then primary judgment is carried out after the adjustment to carry out real-time temperature comparison until T is meth≈T0When the opening is smaller than the preset value, the proportional control closed air valves at the two ends of the shell are kept at the time of + delta T' and the refrigeration operation mode is carried out under the state that the opening is smaller than the preset value when the opening is T0≈TsStopping cooling, wherein M2Indicates the third operation stabilization time determination value, and Δ t' indicates the part load limit value.
The control method can control different refrigeration load modes by combining two proportional control closed air valves, and the full-load or partial-load mode of the refrigeration working condition is determined by the full-opening, partial-opening and unilateral-closing working conditions of the proportional control closed air valves, so that the aim of accurately regulating and controlling the air pressure to meet the refrigeration requirement is fulfilled.
In the foregoing solution, the control method further includes:
if the opening of the swing blade of the closed air valve is adjusted by adjusting the proportion of the two ends of the shell, the air conditioning unit is always in the T stateh＜T0In the state of + delta t', the opening of the swing vanes of the closed air valve is adjusted in proportion at two ends of the shell to be in the maximum state, and every interval M3Separately adjusting the load of the small speed-adjustable fan and carrying out real-time temperature comparison until T is meth≈T0When the opening is smaller than the preset value, the proportional control closed air valves at the two ends of the shell are kept at the time of + delta T' and the refrigeration operation mode is carried out under the state that the opening is smaller than the preset value when the opening is T0≈TsStopping cooling, M3And represents a third operation stabilization time judgment value.
In the foregoing solution, the control method further includes:
if the opening of the swing blade of the closed air valve is adjusted by adjusting the proportion of the two ends of the shell, the air conditioning unit is always in the T stateh＜T0In the state of + delta t', the opening of the swing blade of one of the proportional control airtight air valves is maintained in the maximum state, the other proportional control airtight air valve is in a closed state, and the interval M is3Separately adjusting the load of the small speed-adjustable fan and carrying out real-time temperature comparison until T is meth≈T0When the temperature is within the range of + delta T', the refrigerating operation mode is carried out under the condition that one of the proportional control closed air valve swinging blades is in a fully-opened state and the other proportional control closed air valve swinging blade is in a fully-closed state, and when the temperature is T0≈TsThe cooling is stopped.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention realizes double-side air suction and single-side air suction modes, can also realize a refrigeration mode and a ventilation mode, and can meet different refrigeration load requirements.
The wall-mounted jet flow air conditioning unit can accurately regulate and control the air quantity under various working conditions by adopting the speed-adjustable fan so as to meet the refrigeration requirement, and the wall-mounted jet flow air conditioning unit can cover a wider refrigeration area and use different working conditions by utilizing the variable-inclination-angle working condition of the spherical nozzle device.
The control method can control different refrigeration load modes by combining two proportional control closed air valves, and the full-load or partial-load mode of the refrigeration working condition is determined by the full-opening, partial-opening and unilateral-closing working conditions of the proportional control closed air valves, so that the aim of accurately regulating and controlling the air pressure to meet the refrigeration requirement is fulfilled.
Drawings
Fig. 1 is a schematic external structural view of a wall-mounted jet air conditioning unit according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of a wall-mounted jet air conditioning unit according to an embodiment of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it is to be understood that, furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a defined feature of "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
Fig. 1 and 2 are schematic structural diagrams of a wall-mounted jet air conditioning unit according to an embodiment of the present invention. Referring to fig. 1 and 2, the wall-mounted jet air conditioning unit of the embodiment specifically includes a housing 5, a spherical nozzle device 2, two proportional control airtight air valves 1A and 1B, two refrigeration heat exchangers 3A and 3B, and two adjustable speed fans 4, the spherical nozzle device 2 is disposed in the middle of the front end face of the housing 5, the adjustable speed fans 4 are respectively mounted at the left and right end portions of the housing 5, the proportional control airtight air valves 1A and 1B are respectively mounted at the left and right end faces of the housing 5, and the refrigeration heat exchangers are respectively mounted at the two sides behind the spherical nozzle device 2 inside the housing 5.
The inclination angles of the swing blades of the two proportional adjustment airtight air valves 1A and 1B are adjustable within the range of 0-90 degrees. The swing blade inclination angle K values of the proportional control closed air valves 1A and 1B can be switched without resistance within the control range of 0-90 degrees, the working condition of variable air volume is realized, and the matching use of the speed-adjustable fan and the proportional control closed air valve can ensure that the uniformity is better within the range, and the uniformity is more than or equal to 80 percent.
The proportion adjusting closed air valves 1A and 1B are manual and electric dual-purpose driving air valves. The proportion adjustment airtight air valves 1A and 1B can be controlled in a manual or electric mode, and the working mode can be flexibly controlled.
The adjustable air speed machine 4 has an adjustment range of 0-100% of the air speed. The speed-adjustable fan 4 is operated in a stepless speed change mode within the adjusting range of 0-100%, the accurate matching of air volume is achieved, and the wall-mounted jet air conditioning unit is guaranteed to operate stably and reliably under various working conditions.
In a specific implementation process, the refrigerants of the refrigeration heat exchangers 3A and 3B are water or refrigerants, and specific refrigerants can be selected according to actual requirements.
Example 2
On the basis of embodiment 1, the present invention further provides a control method for a wall-mounted jet air conditioning unit, which is implemented based on the wall-mounted jet air conditioning unit described in embodiment 1, and the wall-mounted jet air conditioning unit should include a refrigeration system in which components such as a refrigeration heat exchanger and a compressor are combined, as can be understood by those skilled in the art.
The control method of the embodiment specifically includes:
when T ish≥T0When the air conditioner is in a full-return full-load refrigeration mode, the two closed proportional regulating air valves 1A and 1B are electrified, and then the opening degree of the swing blade is adjusted to be in a fully-opened state; starting the speed-adjustable fan 4 to operate at full load, and performing evaporative refrigeration by the speed-adjustable fan 4 through horizontal double-side air suction of the refrigeration heat exchangers 3A and 3B so as to spray cold air outwards through the spherical nozzle device 2;
M1starting a refrigeration system device comprising two refrigeration heat exchangers 3A and 3B, a compressor and the like after seconds; the set air supply temperature value T is measured in real time0Detected real-time return air temperature ThAnd real-time supply air temperature TsBy comparison, where M1Representing a first operation stabilization time judgment value;
when T is0＜Th＜T0+ Δ t', the full return air partial load cooling mode is performed, i.e. every interval M, with the full return air cooling mode stable2Adjusting the opening of the swing blade of the closed air valve according to the proportion of the two ends of the shell to enable the swing blade to deviate from a fully opened state and be in a certain opening working condition, and comparing the temperature in real time until the T is meth≈T0When the air pressure is within the range of + delta T', the closed air valve is kept in a state that the proportion of the two ends of the shell is adjusted at the opening degree to carry out a refrigeration operation mode, and when the air pressure is T0≈TsStopping cooling, wherein M2Indicates the second operation stabilization time determination value, and Δ t' indicates the part load limit value.
If the opening of the swing blade of the closed air valve is adjusted by adjusting the proportion of the two ends of the shell, the air conditioning unit is always in the T stateh＜T0In the state of + delta t', the opening of the swing vanes of the closed air valve is proportionally adjusted at two ends of the shell to be maintained in the maximum state at intervals of M3Separately adjusting the load of the small speed-adjustable fan and carrying out real-time temperature comparison until T is meth≈T0When the air pressure is within the range of + delta T', the closed air valve is kept in a state that the proportion of the two ends of the shell is adjusted at the opening degree to carry out a refrigeration operation mode, and when the air pressure is T0≈TsStop cooling, "M3Indicating a third operational stability time determinationThe value is obtained.
In the mode, the refrigeration control can be achieved by changing the proportion to adjust the opening of the closed air valve and the load of the speed-adjustable fan.
If the opening of the swing blade of the closed air valve is adjusted by adjusting the proportion of the two ends of the shell, the air conditioning unit is always in the T stateh＜T0In the state of + delta t', the opening degree of the swing blade of the proportional control closed air valve 3A (or 3B) is maintained at the maximum state, the swing blade of the proportional control closed air valve 3B (or 3A) is in a closed state, and the interval M is3Separately adjusting the load of the small speed-adjustable fan and carrying out real-time temperature comparison until T is meth≈T0When the pressure is + delta T', the proportional control airtight air valve 3A (or 3B) is kept in a full-open state, and the proportional control airtight air valve 3B (or 3A) is in a closed state, and when T is reached0≈TsThe cooling is stopped. The turn-down adjustable speed fan mentioned here may preset a turn-down value, for example, turn-down 5% of the fan load, according to a priori knowledge. This mode implements a single-sided suction mode.
The above-mentioned respective operation settling time judgment values may be set based on a priori knowledge, such as M1The value range is 30-40 seconds, M, M2、M3The value range is 2-3 minutes.
According to the method, the speed-adjustable fan 4 is operated in a stepless speed change mode within the adjustment range of 0-100%, so that the accurate matching of air volume is realized, and the wall-mounted jet air conditioning unit is ensured to operate stably and reliably under various working conditions. When the speed-adjustable fans 4 and the spherical nozzle devices 2 form a one-to-one corresponding module for refrigeration, the purpose of variable air volume working condition control can be achieved through frequency-variable speed regulation, and particularly the purpose of reducing air volume and enabling the cold volume supply range to still meet the requirements can be achieved by controlling the closing of a certain specific fan and the variable inclination angle control of the spherical nozzle devices.
The same or similar reference numerals correspond to the same or similar parts;
the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A wall-mounted jet air conditioning unit comprises a shell and a spherical nozzle device, and is characterized by further comprising two proportional control airtight air valves, two refrigeration heat exchangers and two speed-adjustable fans, wherein the spherical nozzle device is arranged in the middle of the front end face of the shell, the speed-adjustable fans are respectively mounted at the left end and the right end of the shell, the proportional control airtight air valves are respectively mounted on the end faces at the left end and the right end of the shell, the inclination angles of swing blades of the two proportional control airtight air valves are adjustable within the range of 0-90 degrees, and the refrigeration heat exchangers are respectively mounted at two sides behind the spherical nozzle device in the shell.
2. The wall-mounted jet air conditioning unit as claimed in claim 1, wherein the proportional control airtight air valve is a manual/electric drive air valve.
3. The wall-mounted jet air conditioning unit of claim 1, wherein the adjustable air speed machine has an adjustment range of 0-100% of the air speed.
4. The wall-mounted jet air conditioning unit as claimed in claim 1, wherein the refrigerant of the refrigeration heat exchanger is water or refrigerant.
5. A control method of a wall-mounted jet air conditioning unit, characterized in that the wall-mounted jet air conditioning unit as claimed in any one of claims 1 to 4 is adopted, and the control method comprises the following steps:
when T ish≥T0When the air conditioner is in the full-return full-load refrigeration mode, the two proportional regulating closed air valves are electrified and then the opening of the swinging blades is regulated to be completeAn open state; starting the speed-adjustable fan to enable the speed-adjustable fan to run at full load; m1Starting the two refrigeration heat exchangers after the second; the set air supply temperature value T is measured in real time0Detected real-time return air temperature ThAnd real-time supply air temperature TsBy comparison, where M1Representing a first operation stabilization time judgment value;
when T is0＜Th＜T0+ Δ t', the full return air partial load cooling mode is performed, i.e. every interval M, with the full return air cooling mode stable2Adjusting the opening of the swing blade of the closed air valve according to the proportion at two ends of the shell to enable the swing blade to deviate from a fully opened state and be in a certain opening working condition, and comparing the temperature in real time until the T is meth≈T0When the opening is smaller than the preset value, the proportional control closed air valves at the two ends of the shell are kept at the time of + delta T' and the refrigeration operation mode is carried out under the state that the opening is smaller than the preset value when the opening is T0≈TsStopping cooling, wherein M2Indicates the second operation stabilization time determination value, and Δ t' indicates the part load limit value.
6. The wall-mounted jet air conditioning unit control method according to claim 5, characterized by further comprising: if the opening of the swing blade of the closed air valve is adjusted by adjusting the proportion of the two ends of the shell, the air conditioning unit is always in the T stateh＜T0In the state of + delta t', the opening of the swing vanes of the closed air valve is adjusted in proportion at two ends of the shell to be in the maximum state, and every interval M3Separately adjusting the load of the small speed-adjustable fan and carrying out real-time temperature comparison until T is meth≈T0When the opening is smaller than the preset value, the proportional control closed air valves at the two ends of the shell are kept at the time of + delta T' and the refrigeration operation mode is carried out under the state that the opening is smaller than the preset value when the opening is T0≈TsStopping cooling, M3And represents a third operation stabilization time judgment value.
7. The wall-mounted jet air conditioning unit control method according to claim 5, characterized by further comprising: if the opening of the swing blade of the closed air valve is adjusted by adjusting the proportion of the two ends of the shell, the air conditioning unit is always in the T stateh＜T0The + delta t' state, then one of the ratios is adjustedThe opening of the swing blade of the air-tight valve is maintained at the maximum state, the other air-tight valve is adjusted in proportion to be in a closed state, and the interval M is3Separately adjusting the load of the small speed-adjustable fan and carrying out real-time temperature comparison until T is meth≈T0When the air pressure is within the range of the maximum opening degree, the other air pressure is in the closed state, and the air pressure is in the refrigerating operation mode0≈TsThe cooling is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815454.3A CN106225179B (en) | 2016-09-09 | 2016-09-09 | Wall-mounted jet air conditioning unit and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815454.3A CN106225179B (en) | 2016-09-09 | 2016-09-09 | Wall-mounted jet air conditioning unit and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106225179A CN106225179A (en) | 2016-12-14 |
| CN106225179B true CN106225179B (en) | 2022-03-25 |
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| CN106763935B (en) * | 2016-12-24 | 2022-12-30 | 天津大学 | Synchronous wheel controlled one-way non-return air valve device with vertically mounted adjustable non-return direction |
| CN108087971A (en) * | 2017-12-12 | 2018-05-29 | 广东美的制冷设备有限公司 | Air-conditining |
| CN108087974A (en) * | 2017-12-12 | 2018-05-29 | 广东美的制冷设备有限公司 | Air-conditining |
| CN109631165A (en) * | 2019-01-16 | 2019-04-16 | 珠海格力电器股份有限公司 | Air conditioning unit capable of preventing air outlet interference |
| CN111238002B (en) * | 2020-03-04 | 2021-08-10 | 青岛海信电子设备股份有限公司 | Method for controlling rotating speed of air conditioner fan between columns |
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