CN105910255A - Air door assembly and total heat exchanger - Google Patents
Air door assembly and total heat exchanger Download PDFInfo
- Publication number
- CN105910255A CN105910255A CN201610415099.0A CN201610415099A CN105910255A CN 105910255 A CN105910255 A CN 105910255A CN 201610415099 A CN201610415099 A CN 201610415099A CN 105910255 A CN105910255 A CN 105910255A
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- China
- Prior art keywords
- air
- damper
- indoor
- door
- total heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an air door assembly which comprises a support, an air door and a driving mechanism, wherein the air door is rotatably arranged on the support, the driving mechanism is in driving connection with the air door, the driving mechanism is used for driving the air door to rotate relative to the support, and the air door is provided with a first position for closing a first air opening, a second position for closing a second air opening and a third position between the first position and the second position. It also relates to a total heat exchanger. The air door assembly and the total heat exchanger are simple in structure and convenient to control, the purpose of accurately controlling the opening and closing size of the air door to control the air quantity is achieved, the air door can accurately control the air inlet and the air return opening in a two-way mode, the air quantity of the outdoor air inlet and the air return opening is controlled to achieve different total heat exchange functions, the whole mechanism is convenient to manufacture, high accuracy is easy to obtain, larger load can be borne, and the total heat exchanger has practical and feasible significance.
Description
Technical Field
The invention relates to the technical field of ventilation systems, in particular to an air door assembly and a total heat exchanger.
Background
With the aggravation of environmental problems, the application of fresh air products is more and more extensive, the total heat exchanger occupies an important share in the fresh air market, and the performance of the air door mechanism directly influences the use function of the total heat exchanger. At present, the control of the air door in the total heat exchanger is mostly unidirectional control, and the control function is single.
Disclosure of Invention
Based on the above, the invention aims to provide an air door assembly and a total heat exchanger, which are simple in structure and convenient to control, achieve the purpose of accurately controlling the opening and closing size of an air door to control the air quantity, and realize the bidirectional accurate control of the air door on an air inlet and an air return inlet. In order to achieve the purpose, the technical scheme of the invention is as follows:
a damper assembly, comprising:
a support;
the air door is rotatably arranged on the bracket;
the driving mechanism is in driving connection with the air door, the driving mechanism is used for driving the air door to rotate relative to the support, and the air door is provided with a first position for closing the first air opening, a second position for closing the second air opening and a third position between the first position and the second position.
In one embodiment, the driving mechanism includes a motor, a gear and a rack, the motor is disposed on the bracket, the gear is disposed on a shaft of the motor, the rack is disposed on the damper, and the rack is engaged with the gear.
In one embodiment, the rack is a circular arc rack.
In one embodiment, the rack is a circular arc rack in the shape of 1/4 circular arcs.
In one embodiment, the driving mechanism comprises a motor and a curved rod, the motor is arranged on the bracket, the curved rod is connected with the air door, and the air door is rotatably arranged on the bracket through the curved rod; the motor drives the air door to rotate relative to the bracket through the bent rod.
In one embodiment, the curved bar is in a zigzag or zigzag-like shape and the dampers are disposed at either end of the curved bar.
In one embodiment, the curved bar is L-shaped.
In one embodiment, the damper includes a first door panel and a second door panel, one end of the first door panel being connected to one end of the second door panel, the first door panel forming an angled configuration with the second door panel.
In one embodiment, the first door panel and the second door panel are arranged at a right angle.
The shell is provided with a fresh air inlet) and an indoor return air inlet, the fresh air inlet is used as a first air inlet, the indoor return air inlet is used as a second air inlet, the air door assembly in any technical scheme is further arranged in the shell, an air door of the air door assembly can selectively open and close the fresh air inlet and the indoor return air inlet, and when the air door is located at the first position, the fresh air inlet is closed; and when the air door is at the second position, the indoor air return opening is closed.
In one embodiment, the total heat exchanger further includes a heat exchange core disposed in the casing, the casing is further provided with an indoor air supply outlet and an outdoor air exhaust outlet, the casing is provided with a first air duct and a second air duct, one end of the first air duct is communicated with the fresh air inlet, the other end of the first air duct passes through the heat exchange core and then is communicated with the indoor air supply outlet, one end of the second air duct is communicated with the indoor air return inlet, and the other end of the second air duct passes through the heat exchange core and then is communicated with the outdoor air exhaust outlet.
In one embodiment, the total heat exchanger has an outdoor fresh air circulation mode, in the fresh air circulation mode, the damper is placed at the second position, the indoor air return inlet is in a closed state, the fresh air inlet is in an open state, and only outdoor fresh air in the total heat exchanger enters the total heat circulation.
In one embodiment, the total heat exchanger has a mixed circulation mode of outdoor fresh air and indoor return air, in the mixed circulation mode of the outdoor fresh air and the indoor return air, the air door is arranged between the first position and the second position, the fresh air inlet and the indoor return air inlet are both in an open state, and at the moment, a mixture of the outdoor fresh air and the indoor return air is used for circulation in the total heat exchanger.
In one embodiment, the total heat exchanger has an indoor return air circulation mode, in the indoor return air circulation mode, the air door is placed at the first position, the fresh air inlet is in a closed state, the indoor return air inlet is in an open state, and only indoor return air participates in circulation in the total heat exchanger.
The invention has the beneficial effects that:
the air door assembly and the total heat exchanger are simple in structure and convenient to control, the purpose of accurately controlling the opening and closing size of the air door to control the air quantity is achieved, the air door can accurately control the air inlet and the air return opening in a two-way mode, the air quantity of the outdoor air inlet and the air return opening is controlled to achieve different total heat exchange functions, the whole mechanism is convenient to manufacture, high accuracy is easy to obtain, larger load can be borne, and the total heat exchanger has practical and feasible significance.
Drawings
FIG. 1 is a schematic view of a damper assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the total heat exchanger of the present invention with the damper in a second position;
FIG. 3 is a schematic view of the total heat exchanger of FIG. 2 with the damper in a position between the second position and the first position;
FIG. 4 is a schematic view of the total heat exchanger of FIG. 2 with the damper in a first position;
wherein,
101. a damper assembly;
1011. a damper; 1012. a gear; 1013. a rack; 1014. a support; 1015. a motor;
102. a fresh air inlet;
103. an indoor return air inlet;
104. a housing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the damper assembly and the total heat exchanger of the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to FIG. 1, a damper assembly 101 according to one embodiment of the present invention includes a bracket 1014, a damper 1011, and a drive mechanism. The damper 1011 is rotatably disposed on the bracket 1014. The driving mechanism is in driving connection with the air door 1011, the driving mechanism is used for driving the air door 1011 to rotate relative to the support 1014, and the air door 1011 is provided with a first position for closing the first air opening, a second position for closing the second air opening and a third position between the first position and the second position.
In this embodiment, the damper 1011 may include a first door panel 1016 and a second door panel 1017, wherein one end of the first door panel 1016 is connected to one end of the second door panel 1017, and the first door panel 1016 and the second door panel 1017 form an angular structure. Preferably, the first door panel 1016 is disposed at a right angle to the second door panel 1017. In other embodiments, the damper 1011 may include only the first door panel 1016 or the second door panel 1017.
The drive mechanism includes a motor 1015, a gear 1012, and a rack 1013. The motor 1015 is arranged on the bracket 1014, the gear 1012 is arranged on the shaft of the motor 1015, the rack 1013 is arranged on the air door 1011, and the rack 1013 is meshed with the gear 1012. Preferably, rack 1013 is integrally formed with damper 1011.
The motor 1015 can be a stepping motor, the motor 1015 is installed in the motor box and is connected with the gear 1012 through the motor fixed point, the gear 1012 is connected with the rack 1013 on the air door 1011 in a matching way, the effect of controlling the opening and closing of the air door 1011 is achieved through the transmission of the gear 1012 and the rack 1013, and the effect of controlling the air volume of the air door 1011 can be achieved through controlling the opening and closing of the air door 1011. The rack 1013 is an arc rack. Rack 1013 is preferably a circular arc rack in the form of an 1/4 circular arc. In the process of controlling the air volume of the air door 1011, the rack 1013 is designed into the shape of 1/4 circular arc, so that the 90-degree rotation of the air door 1011 can be accurately realized, and the stable and accurate control can be achieved through the design of the gear transmission ratio.
Two air ports can be controlled in a two-way mode through 90-degree rotation of the air door 1011, accurate control is achieved through gear and rack transmission, and the air door is stably controlled through a transmission ratio. The bidirectional gear rack air door mechanism can accurately control the opening and closing angle of the air door to achieve the accurate control of the air quantity, and the air door can also adjust the air quantity of an air inlet outside the air inlet, so that different circulation can achieve different full heat exchange function effects.
In other embodiments, the drive mechanism may also employ a bell crank control structure, for example, the drive mechanism includes a motor 1015 and a bell crank. The motor 1015 is arranged on the support 1014, and the crank is connected with the air door 1011, and the air door 1011 is rotatably arranged on the support 1014 through the crank. The motor 1015 drives the driving damper 1011 to rotate relative to the bracket 1014 through a curved rod. The curved bar is in a zigzag or zigzag-like shape and the dampers 1011 are provided at either end of the curved bar. Of course, the knee lever may also be L-shaped. By adopting the mode, the rotation of the air door 1011 can be accurately realized in the process of controlling the air quantity of the air door 1011, and the stable and accurate control is achieved.
As shown in fig. 2 to 4, the present invention also relates to an enthalpy exchanger, which includes a shell 104. The shell 104 is provided with a fresh air inlet 102 and an indoor air return opening 103, the fresh air inlet 102 is used as a first air opening, the indoor air return opening 103 is used as a second air opening, the shell 104 is also internally provided with the air door assembly 101 in any technical scheme, an air door 1011 of the air door assembly 101 can selectively open and close the fresh air inlet 102 and the indoor air return opening 103, and when the air door 1011 is located at a first position, the fresh air inlet 102 is closed; when the damper 1011 is in the second position, the indoor return air opening 103 is closed.
The total heat exchanger further comprises a heat exchange core body arranged in the shell body 104, the shell body 104 is further provided with an indoor air supply opening and an outdoor air outlet, a first air channel and a second air channel are arranged in the shell body 104, one end of the first air channel is communicated with the fresh air inlet 102, the other end of the first air channel penetrates through the heat exchange core body and then is communicated with the indoor air supply opening, one end of the second air channel is communicated with the indoor air return opening 103, and the other end of the second air channel penetrates through the heat exchange core body and then is communicated with the outdoor.
The total heat exchanger of the present embodiment has an outdoor fresh air circulation mode, an outdoor fresh air and indoor return air mixed circulation mode, and an indoor return air circulation mode, which are described in detail below.
1. Outdoor fresh air circulation mode
As shown in fig. 2, in the total heat exchanger in the fresh air circulation mode, the air door 1011 is located at the second position, the indoor return air inlet 103 is in the closed state, the fresh air inlet 102 is in the open state, at this time, the indoor return air in the total heat exchanger does not participate in the circulation, and only the outdoor fresh air enters the total heat circulation. That is, at this time, the stroke of the air door 1011 is 0, the indoor return air port 103 is in a closed state, and at this time, the indoor return air in the total heat exchanger does not participate in the circulation, and only the outdoor fresh air enters the total heat circulation.
2. Outdoor fresh air and indoor return air mixed circulation mode
As shown in fig. 3, in the total heat exchanger, in the mixed circulation mode of the outdoor fresh air and the indoor return air, the air door 1011 is disposed between the first position and the second position, the fresh air inlet 102 and the indoor return air inlet 103 are both in the open state, and what participates in the circulation at this time is a mixture of the outdoor fresh air and the indoor return air. Namely, the stroke of the air door is between 0 and the maximum stroke at the moment, the fresh air inlet 102 and the indoor return air inlet 103 are both in an open state, and the mixture of outdoor fresh air and indoor return air participates in circulation at the moment.
3. Indoor return air circulation mode
As shown in fig. 4, in the full heat exchanger with an indoor return air circulation mode, the air door 1011 is placed at the first position, at this time, the fresh air inlet 102 is in a closed state, the indoor return air inlet 103 is in an open state, and at this time, only indoor air in the return air inlet participates in circulation. That is, the air door is in the maximum stroke at this time, the fresh air inlet 102 is in the closed state, and only indoor air in the indoor air return opening 103 participates in circulation at this time, so that the effect of bidirectional control is achieved.
The air door assembly and the total heat exchanger of the embodiment have the advantages that the structure is simple, the control is convenient, the purpose of accurately controlling the opening and closing size of the air door to control the air quantity is achieved, the air door can accurately control the air inlet and the air return opening in a two-way mode, the air quantity of the outdoor air inlet and the air quantity of the indoor air return opening are controlled to achieve different total heat exchange functions, the whole mechanism is convenient to manufacture, high accuracy is easy to obtain, larger load can be borne, and the practical and feasible significance is achieved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (14)
1. A damper assembly, comprising:
a bracket (1014);
a damper (1011), said damper (1011) being rotatably disposed on said bracket (1014);
the driving mechanism is in driving connection with the air door (1011), the driving mechanism is used for driving the air door (1011) to rotate relative to the support (1014), and the air door (1011) is provided with a first position for closing a first air opening, a second position for closing a second air opening and a third position between the first position and the second position.
2. The damper assembly of claim 1, wherein the drive mechanism comprises a motor (1015), a gear (1012), and a rack gear (1013), the motor (1015) being disposed on the bracket (1014), the gear (1012) being disposed on a shaft of the motor (1015), the rack gear (1013) being disposed on the damper (1011), the rack gear (1013) being engaged with the gear (1012).
3. The damper assembly of claim 2, wherein the rack (1013) is a circular arc rack.
4. The damper assembly of claim 3, wherein the rack (1013) is a circular arc rack in the form of an 1/4 circular arc.
5. The damper assembly of claim 1, wherein the drive mechanism comprises a motor (1015) and a curved lever, the motor (1015) being disposed on the bracket (1014), the curved lever being connected to the damper (1011), the damper (1011) being rotatably disposed on the bracket (1014) via the curved lever; the motor (1015) drives the air door (1011) to rotate relative to the bracket (1014) through the curved bar.
6. The damper assembly of claim 5, wherein the curved bar is Z-shaped or Z-like shaped, and the damper (1011) is disposed at either end of the curved bar.
7. The damper assembly of claim 5, wherein the curved bar is L-shaped.
8. The damper assembly of any of claims 1-7, wherein the damper (1011) comprises a first door panel (1016) and a second door panel (1017), one end of the first door panel (1016) being connected to one end of the second door panel (1017), the first door panel (1016) and the second door panel (1017) forming an angled configuration.
9. The damper assembly of claim 8, wherein the first door panel (1016) is disposed at a right angle to the second door panel (1017).
10. A total heat exchanger, comprising a housing (104), wherein the housing (104) has a fresh air inlet (102) and an indoor air return (103), the fresh air inlet (102) is used as a first air inlet, the indoor air return (103) is used as a second air inlet, the housing (104) is further provided with a damper assembly (101) as claimed in any one of claims 1 to 9, a damper (1011) of the damper assembly (101) selectively opens and closes the fresh air inlet (102) and the indoor air return (103), and when the damper (1011) is in the first position, the fresh air inlet (102) is closed; when the damper (1011) is in the second position, the indoor return air opening (103) is closed.
11. The total heat exchanger according to claim 10, further comprising a heat exchange core disposed in the casing (104), wherein the casing (104) is further provided with an indoor air supply opening and an outdoor air exhaust opening, the casing (104) is provided with a first air duct and a second air duct, one end of the first air duct is communicated with the fresh air inlet (102), the other end of the first air duct is communicated with the indoor air supply opening after passing through the heat exchange core, one end of the second air duct is communicated with the indoor air return opening (103), and the other end of the second air duct is communicated with the outdoor air exhaust opening after passing through the heat exchange core.
12. The enthalpy exchanger according to claim 10 or 11, characterized in that the enthalpy exchanger has an outdoor fresh air circulation mode, in which the damper (1011) is placed in the second position, the indoor return air inlet (103) is in a closed state, and the fresh air inlet (102) is in an open state, and only outdoor fresh air in the enthalpy exchanger enters the enthalpy cycle.
13. The total heat exchanger according to claim 10 or 11, wherein the total heat exchanger has a mixed circulation mode of outdoor fresh air and indoor return air, in the mixed circulation mode of outdoor fresh air and indoor return air, the damper (1011) is disposed between the first position and the second position, and the fresh air inlet (102) and the indoor return air inlet (103) are both in an open state, and in this case, a mixture of outdoor fresh air and indoor return air is involved in circulation in the total heat exchanger.
14. The enthalpy exchanger according to claim 10 or 11, characterized in that the enthalpy exchanger has an indoor return air circulation mode in which the damper (1011) is placed in the first position, the fresh air intake (102) is in a closed state, and the indoor return air intake (103) is in an open state, with only indoor return air circulating in the enthalpy exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415099.0A CN105910255A (en) | 2016-06-14 | 2016-06-14 | Air door assembly and total heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415099.0A CN105910255A (en) | 2016-06-14 | 2016-06-14 | Air door assembly and total heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910255A true CN105910255A (en) | 2016-08-31 |
Family
ID=56750863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415099.0A Pending CN105910255A (en) | 2016-06-14 | 2016-06-14 | Air door assembly and total heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910255A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895569A (en) * | 2017-02-15 | 2017-06-27 | 青岛海信日立空调系统有限公司 | A kind of total-heat exchanger, control method and air-conditioning |
| CN111486581A (en) * | 2020-03-30 | 2020-08-04 | 珠海格力电器股份有限公司 | Air valve assembly, air conditioning equipment and corresponding control method |
| CN113339984A (en) * | 2021-05-17 | 2021-09-03 | 合肥天鹅制冷科技有限公司 | Fresh air valve |
| CN115854465A (en) * | 2022-12-19 | 2023-03-28 | 西麦柯(广东)制冷科技股份有限公司 | Adjusting system of evaporative cooling and dehumidifying air conditioning unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106895569A (en) * | 2017-02-15 | 2017-06-27 | 青岛海信日立空调系统有限公司 | A kind of total-heat exchanger, control method and air-conditioning |
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| CN115854465A (en) * | 2022-12-19 | 2023-03-28 | 西麦柯(广东)制冷科技股份有限公司 | Adjusting system of evaporative cooling and dehumidifying air conditioning unit |
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Application publication date: 20160831 |