CN106091117B - Novel variable frequency control radiator device - Google Patents
Novel variable frequency control radiator device Download PDFInfo
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- CN106091117B CN106091117B CN201610486572.4A CN201610486572A CN106091117B CN 106091117 B CN106091117 B CN 106091117B CN 201610486572 A CN201610486572 A CN 201610486572A CN 106091117 B CN106091117 B CN 106091117B
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- Prior art keywords
- fixed disk
- flow impeller
- blades
- blade
- radiator device
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/66—Sleep mode
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a novel variable-frequency control radiator device which comprises a shell and a surface cooler, wherein a direct-current variable-frequency motor is arranged in the shell and drives a through-flow impeller to rotate; the cross-flow impeller comprises a plurality of blades and a fixed disk for fixing the blades, wherein the blades are of an S-shaped structure, one part of each blade extends out of the edge of the fixed disk, and the other part of each blade is fixed in an arc-shaped hole in the edge of the fixed disk. The variable-frequency control radiator device can control the radiator of the fan coil at the tail end through variable frequency, so that the system operation is automatically adjusted according to the actual load, the useless energy consumption is reduced, the problem of high energy consumption of a household central air conditioner is solved, the blowing effect is better, the noise is low, and the eddy intensity in the cross-flow impeller can be reduced.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a novel variable-frequency control radiator device.
Background
Energy is a material basis necessary for human survival and social development, and the shortage of energy has become a worldwide problem restricting economic development of various countries after the twenty-first century. At present, the energy consumption of buildings accounts for about 1/3 of national energy consumption, and about 50% -60% of the annual energy consumption of public buildings (particularly large shopping malls, high-grade hotel hotels, high-grade office buildings and the like) is consumed in an air-conditioning refrigeration and heating system. The development of the ground source heat pump technology is an important guarantee for reducing environmental pollution and ensuring energy safety, the gradual replacement of conventional energy by renewable energy is a world trend at present, and the rapid development of the renewable energy is one of the main means for establishing a conservation-oriented society and developing a circular economy policy proposed by the actualization country along with the promulgation of the renewable energy law in China. The ground source heat pump heating air conditioning system can be widely applied to buildings such as commercial buildings, public buildings, residential apartments, schools, hospitals and the like by absorbing the energy of the ground and supplying cold and heat to the buildings by the heat pump unit, and is an important component of the application of renewable energy sources in the buildings.
The existing ground source heat pump heating air-conditioning technology is mainly a fixed-frequency fan coil radiator, cannot realize joint control with a host machine, cannot further save energy consumption, or has high cost for implementation and cannot be popularized and applied, and meanwhile, the technology is not applied to a household air conditioner.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects existing in the prior art when a ground source heat pump is used for heating an air conditioner, and further provide a novel variable frequency control radiator device with stable operation and low noise so as to solve the problem of high energy consumption of a household central air conditioning system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel variable-frequency control radiator device comprises a shell, wherein a direct-current variable-frequency motor is arranged in the shell and drives a through-flow impeller to rotate, the direct-current variable-frequency motor and the through-flow impeller are installed in a combined guide mechanism in the shell, one end of the through-flow impeller, which is far away from the direct-current variable-frequency motor, is provided with a variable-frequency controller, and a surface cooler is also arranged in the shell; the cross-flow impeller comprises a plurality of blades and a fixed disk, wherein the blades are uniformly arranged along the circumferential direction at intervals, the fixed disk is used for fixing the blades, the blades are of an S-shaped structure, one part of the blades radially extends out of the edge of the fixed disk, the other part of the blades is radially positioned in the axial projection of the fixed disk, and the edge of the fixed disk is provided with an arc-shaped hole for accommodating and fixing the blades.
Preferably, the arc length of the vane extending radially out of the stationary disk portion is greater than the arc length in the axial projection of the stationary disk.
Preferably, the ratio of the arc length of the vanes extending radially beyond the holding disk portion to the arc length in axial projection of the holding disk is 1.5 to 2.5.
Preferably, the tangent point of the two arcs of the blade is located on the circumferential line of the fixed disk.
Preferably, the flow guide surface of the part of the blade, which is radially located in the axial projection of the fixed disk, is coated with a layer of silica gel.
Preferably, the rated power of the direct current variable frequency motor is 22W, and the maximum rated power is 1600 revolutions.
Preferably, the cross-flow impeller is an aluminum alloy cross-flow impeller, the diameter of the cross-flow impeller is 80mm, the length of the cross-flow impeller is 630mm, and the blades are provided with 30 blades.
Preferably, the combined guide mechanism comprises an impeller guide frame, an impeller support frame, a wind wheel bottom plate and a wind wheel top plate.
Preferably, the surface cooler is formed by 3 rows of copper tubes with 8 holes penetrating through hydrophilic aluminum foils, 2 water collecting and collecting devices are welded up and down, the water path flow is 3 inlets and 3 outlets, and the distance between the hydrophilic aluminum foils is 1.8 mm.
Preferably, the shell comprises a wind plate front panel, a wind plate rear panel, a wind plate left side plate and a wind plate right side plate, and forms a closed cavity except the air return window.
The invention has the beneficial effects that:
the variable frequency control radiator device can control the radiator of the fan coil at the tail end through variable frequency, so that the system operation is automatically adjusted according to the actual load, the useless energy consumption is reduced, and the problem of high energy consumption of a household central air conditioner is solved; the blades on the through-flow impeller are of an S-shaped structure, so that the through-flow impeller has better blast effect and low noise compared with the traditional semi-arc blades, and can reduce the vortex intensity inside the through-flow impeller.
Drawings
In order that the present invention may be more readily and clearly understood, reference is now made to the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a novel variable frequency control radiator assembly of the present invention;
FIG. 2 is an end view of a flow through impeller of the present invention;
FIG. 3 is a schematic view of the structure of the blades of the cross-flow impeller of the present invention.
The reference numbers in the figures denote:
1-a housing; 2-a direct current variable frequency motor; 3-a cross-flow impeller; 31-a blade; 32-fixed disk; 33-arc-shaped holes; 34-a silica gel layer; 4-a combined guide mechanism; 5-a variable frequency controller; 6-surface cooler.
Detailed Description
Referring to fig. 1-3, a novel variable frequency control radiator device includes a housing 1, a dc variable frequency motor 2 is disposed in the housing 1, the dc variable frequency motor 2 drives a cross-flow impeller 3 to rotate, the dc variable frequency motor 2 and the cross-flow impeller 3 are mounted in a combined guide mechanism 4 in the housing 1, a variable frequency controller 5 is disposed at one end of the cross-flow impeller 3 away from the dc variable frequency motor 2, and a surface cooler 6 is further disposed in the housing 1; the cross-flow impeller 3 comprises a plurality of blades 31 uniformly arranged at intervals along the circumferential direction and a fixed disk 32 for fixing the blades 31, wherein the blades 31 are in an S-shaped structure, one part (see section A arc in FIG. 3) of each blade 31 radially extends out of the edge of the fixed disk 32, the other part (see end B arc in FIG. 3) of each blade 31 is radially positioned in the axial projection of the fixed disk 32, and the edge of the fixed disk 32 is provided with an arc-shaped hole 33 for accommodating and fixing the blade 31. The variable frequency control radiator device can control the radiator of the fan coil at the tail end through variable frequency, so that the system operation is automatically adjusted according to the actual load, the useless energy consumption is reduced, and the problem of high energy consumption of a household central air conditioner is solved; the blades on the through-flow impeller are of an S-shaped structure, so that the through-flow impeller has better blast effect and low noise compared with the traditional semi-arc blades, and can reduce the vortex intensity inside the through-flow impeller.
In order to further improve the blowing efficiency of the blades and reduce the wind noise, the length of the arc of the portion of the blades 31 extending radially out of the fixed disk 32 (arc of section a) is larger than the length of the arc in the axial projection of the fixed disk 32 (arc of section B). The ratio of the arc length of the part of the vane 31 extending out of the fixed disk 32 in the radial direction to the arc length in the axial projection of the fixed disk 32 is 1.5-2.5.
In order to facilitate the installation of the blade and enhance the installation stability of the blade 31, the tangent point of two arcs (the intersection of the arc a and the arc B in fig. 3) of the blade 31 is located on the circumferential line of the fixed disk 32.
In order to optimize the flow direction of the wind inside the cross-flow impeller 3 and improve the stability of the wind flow, a silica gel layer 34 is coated on the part of the flow guide surface of the blade 31 which is radially positioned in the axial projection of the fixed disk 32.
The rated power 22W of the direct current variable frequency motor 2 is converted into 1600 revolutions at most. The cross-flow impeller 3 is an aluminum alloy cross-flow impeller 3, the diameter of the cross-flow impeller 3 is 80mm, the length of the cross-flow impeller 3 is 630mm, and 30 blades 31 are arranged (the number of the blades can be selected according to the actual size). The combined guide mechanism 4 comprises an impeller guide frame, an impeller support frame, a wind wheel bottom plate and a wind wheel top plate. The surface cooler 6 is 3 rows of 8-hole copper tubes penetrating through hydrophilic aluminum foils, 2 water collecting and distributing devices are welded up and down, the water path flow is 3 inlets and 3 outlets, and the distance between the hydrophilic aluminum foils is 1.8 mm. The shell 1 is a closed cavity except the air return window and consists of a wind disc front panel, a wind disc rear panel, a wind disc left side plate and a wind disc right side plate.
The control requirements of the variable frequency controller are as follows:
1. introduction to push button
Turning on and turning off the machine: the power is turned on and off by pressing a power on-off key.
Multifunctional keys: the short press is whether the timing power on/off function is enabled, and the long press is a setting mode for 5 seconds.
Mode key: the refrigeration, heating and ventilation modes can be switched.
Wind speed key: the mode of low wind, middle wind, high wind and automatic can be switched.
Pressing up and down: the adjustment for setting temperature is started in the normal state, and the adjustment key for setting value is started in the setting mode.
2. Description of the function
(1) And mode setting:
and the mode button can be pressed to switch between refrigeration, heating, ventilation, refrigeration sleep and heating sleep. In the heating mode, the air is blown only when the temperature of the fan coil reaches the temperature of the fan coil with the set temperature.
(2) And setting the wind speed:
the wind speed can be adjusted to be switched among low speed, medium speed, high speed and automatic under the refrigeration and heating modes by pressing a wind speed key; in the ventilation mode, the wind speed is switched among low speed, medium speed and high speed, and the automatic mode is not available; in the sleep mode, the wind speed button is invalid and the device automatically enters the low wind speed mode.
(3) And temperature setting:
the required temperature can be set by pressing the temperature up-down button of the temperature controller (or remote controller). The set temperature is 35 degrees celsius maximum and 15 degrees celsius minimum.
(4) Time switch
The equipment can be switched between effective and ineffective in the timing function by short-pressing the multifunctional key of the temperature controller. After the timing function is started, the power-off time is displayed when the equipment is in the power-on state, and the power-on time is displayed when the equipment is in the power-off state. Adjustment of the timing time is described in item (6).
And when the timing function is closed, the temperature of the fan coil pipe is displayed.
(5) And on-off machine
The equipment can be switched between a power-on state and a power-off state by pressing an on-off key of the temperature controller.
(6) Sleep mode (optional package)
When the air conditioner is in a refrigeration running mode, after a sleep function is selected, when the indoor temperature reaches the set temperature or runs for 1 hour, the set temperature automatically rises by 1 ℃, and then rises by 1 ℃ after running for 1 hour. When the total running time reaches 8 hours, the running is stopped, and the temperature is raised by 2 ℃ within 8 hours;
if the air conditioner is in the heating operation mode, the set temperature is reduced by 1 ℃ after the air conditioner is operated for 1 hour in the sleep mode, and the temperature is reduced by 1 ℃ after the air conditioner is operated for 1 hour. When the total operation time reaches 8 hours, the air conditioner stops operating. The temperature was decreased by 4 ℃ in 8 hours.
(7) And setting a mode:
long press of the multifunction key for 3 seconds. The clock flicks in hours and is adjusted by pressing a wind speed key; pressing the multifunctional key again, setting the minutes of the clock, and pressing the wind speed key to adjust the minutes; pressing the function key again, and entering the hour adjustment of timing shutdown; pressing the multifunctional key again to enter the minute adjustment of timing shutdown; and pressing the multifunctional key again to perform hour adjustment of the timing startup, and pressing the multifunctional key again to perform minute adjustment of the timing startup. Pressing the multifunctional key again, and entering P1 for adjustment; pressing the multifunctional key again to enter the adjustment of P2; pressing the multifunctional key again to enter the adjustment of P3; pressing the multi-function key again goes to the P6 adjustment. Pressing the multifunctional key again to exit the setting mode and return to the normal mode.
The above embodiments are merely to explain the technical solutions of the present invention in detail, and the present invention is not limited to the above embodiments, and it should be understood by those skilled in the art that all modifications and substitutions based on the above principles and spirit of the present invention should be within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel frequency conversion control radiator device which characterized in that: the direct-current variable-frequency motor drives a through-flow impeller to rotate, the direct-current variable-frequency motor and the through-flow impeller are installed in a combined guide mechanism in the shell, a variable-frequency controller is arranged at one end, far away from the direct-current variable-frequency motor, of the through-flow impeller, and a surface cooler is further arranged in the shell; the cross-flow impeller comprises a plurality of blades which are uniformly arranged at intervals along the circumferential direction and a fixed disk for fixing the blades, wherein the blades are of an S-shaped structure, one part of each blade radially extends out of the edge of the fixed disk, the other part of each blade is radially positioned in the axial projection of the fixed disk, and the edge of the fixed disk is provided with an arc-shaped hole for accommodating and fixing the blade; the arc length of the part of the blade extending out of the fixed disk in the radial direction is longer than the arc length in the axial projection of the fixed disk; the ratio of the arc length of the blade extending out of the fixing disc part in the radial direction to the arc length in the axial projection of the fixing disc is 1.5-2.5; the tangent points of the two arcs of the blade are positioned on the circumferential line of the fixed disk; the guide surface of the part of the blade, which is radially positioned in the axial projection of the fixed disk, is coated with a silica gel layer.
2. The novel variable frequency control radiator device of claim 1, wherein: the rated power of the direct current variable frequency motor is 22W, and the maximum power is 1600 revolutions.
3. The novel variable frequency control radiator device of claim 1 or 2, wherein: the cross-flow impeller is an aluminum alloy cross-flow impeller, the diameter of the cross-flow impeller is 80mm, the length of the cross-flow impeller is 630mm, and the blades are provided with 30 blades.
4. The novel variable frequency control radiator device according to any one of claims 1-2, wherein: the combined guide mechanism comprises an impeller guide frame, an impeller support frame, a wind wheel bottom plate and a wind wheel top plate.
5. The novel variable frequency control radiator device according to any one of claims 1-2, wherein: the surface cooler is 3 rows of 8-hole copper tubes penetrating through hydrophilic aluminum foils, 2 water collecting and distributing devices are welded up and down, the water path flow is 3 inlets and 3 outlets, and the distance between the hydrophilic aluminum foils is 1.8 mm.
6. The novel variable frequency control radiator device according to any one of claims 1-2, wherein: the shell is a closed cavity except the air return window and consists of a wind disc front panel, a wind disc rear panel, a wind disc left side plate and a wind disc right side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486572.4A CN106091117B (en) | 2016-06-28 | 2016-06-28 | Novel variable frequency control radiator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486572.4A CN106091117B (en) | 2016-06-28 | 2016-06-28 | Novel variable frequency control radiator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106091117A CN106091117A (en) | 2016-11-09 |
| CN106091117B true CN106091117B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610486572.4A Active CN106091117B (en) | 2016-06-28 | 2016-06-28 | Novel variable frequency control radiator device |
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| CN (1) | CN106091117B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403308B (en) * | 2016-11-29 | 2019-06-18 | 海信(广东)厨卫系统有限公司 | Control method of electric water heater and electric heater |
| CN110230845A (en) * | 2018-03-02 | 2019-09-13 | 江苏雅佳空调设备制造有限公司 | Ultrathin low-noise fan coil pipe unit |
| CN109026828B (en) * | 2018-09-12 | 2023-11-03 | 珠海格力电器股份有限公司 | Cross-flow fan blade and air conditioner |
| CN113027814A (en) * | 2021-03-25 | 2021-06-25 | 珠海格力电器股份有限公司 | Cross-flow fan blade, air conditioner, control method and control device of cross-flow fan blade |
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| CN105240937A (en) * | 2015-10-12 | 2016-01-13 | 珠海格力电器股份有限公司 | Air-conditioner indoor unit and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006170043A (en) * | 2004-12-15 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Cross flow fan |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3921272A (en) * | 1974-05-24 | 1975-11-25 | Torin Corp | Blower wheel and method of making the same |
| CN2395073Y (en) * | 1999-11-19 | 2000-09-06 | 上海顺威电器有限公司 | Composite blade |
| CN102575681A (en) * | 2009-09-09 | 2012-07-11 | 夏普株式会社 | Crossflow fan, molding die, and fluid feeding device |
| CN202253979U (en) * | 2011-08-26 | 2012-05-30 | 华东建筑设计研究院有限公司 | Novel large temperature difference fan coil unit with alternating-current motor |
| CN203024276U (en) * | 2012-12-05 | 2013-06-26 | 靖江市宝钢空调设备厂 | Intelligent direct current frequency conversion fan coil unit |
| CN104747492A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall air conditioner |
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| CN106091117A (en) | 2016-11-09 |
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Denomination of invention: A new type of variable frequency control radiator device Effective date of registration: 20230117 Granted publication date: 20200421 Pledgee: Heze rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ZHONGKENENG ARTIFICIAL ENVIRONMENT Co.,Ltd. Registration number: Y2023980031485 |