CN108592246B - Outdoor unit, air conditioner and control method of outdoor unit - Google Patents
Outdoor unit, air conditioner and control method of outdoor unit Download PDFInfo
- Publication number
- CN108592246B CN108592246B CN201810391780.5A CN201810391780A CN108592246B CN 108592246 B CN108592246 B CN 108592246B CN 201810391780 A CN201810391780 A CN 201810391780A CN 108592246 B CN108592246 B CN 108592246B
- Authority
- CN
- China
- Prior art keywords
- fan
- controller
- air
- outdoor unit
- information
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
-
- 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
-
- 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
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
-
- 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
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
-
- 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
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/40—Damper positions, e.g. open or closed
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides an outdoor unit, an air conditioner and a control method of the outdoor unit, wherein the outdoor unit comprises: the air guide plate comprises a shell (1) and an air guide plate (2); the shell (1) is provided with an air outlet (12), the air deflector (2) is arranged on the air outlet (12) and can be switched to move between a first position covering the air outlet (12) and a second position opening the air outlet (12). The invention has the advantages of reasonable design and simple structure, and can prevent wind, snow and sundries from entering the outdoor unit, thereby ensuring the normal operation of the fan.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an outdoor unit, an air conditioner and a control method of the outdoor unit.
background
with the continuous progress of scientific technology and the increasing improvement of living standard of people, the air conditioner becomes one of the most important electric appliances in daily life, and the air outlet on the outdoor unit of the existing air conditioner is in an open state, so that wind, snow and sundries are easy to enter the outdoor unit to influence the operation of the fan, and the air conditioner cannot work normally.
disclosure of Invention
The invention mainly aims to provide an outdoor unit, an air conditioner and a control method of the outdoor unit, which have reasonable design and simple structure, can prevent wind, snow and sundries from entering the outdoor unit, and further ensure the normal operation of a fan.
the present invention provides an outdoor unit, comprising: the air guide plate is arranged on the shell;
The shell is provided with an air outlet, and the air deflector is arranged on the air outlet and can be switched to move between a first position covering the air outlet and a second position opening the air outlet.
Preferably, the device further comprises a driving device;
the driving device is in driving connection with the air deflector so as to drive the air deflector to move in a conversion mode between the first position and the second position.
Preferably, the device further comprises a connecting rod;
the number of the air deflectors is more than two, and the driving device is connected with the more than two air deflectors through the connecting rod so as to drive the more than two air deflectors to move through the connecting rod.
preferably, the device also comprises a fan;
The fan is arranged in the shell and corresponds to the air outlet, and is used for blowing out the air in the shell from the air outlet.
preferably, when the driving device is included, the device further comprises a controller;
The fan and the driving device are electrically connected with the controller, and the controller can detect the starting information or the closing information of the fan and control the driving device to work according to the detected information.
preferably, a display is also included;
the controller is electrically connected with the display to send the detected starting information or the detected closing information of the fan to the display for displaying.
the invention further provides an air conditioner comprising the outdoor unit with any of the above technical features.
In another aspect, the present invention provides a method for controlling an outdoor unit, which uses the above technical features, when the outdoor unit includes a driving device, a fan and a controller;
the fan and the driving device are both electrically connected with the controller, the controller can detect the starting information or the closing information of the fan, and the driving device is controlled to work according to the detected information, and the fan and the driving device are characterized in that:
The method comprises the following steps:
A. the controller sends a starting signal to the fan to start the fan;
B. The controller detects the starting information of the fan, and if the fan is started successfully, the controller enters the step C;
C. The controller controls the driving device to work, so that the driving device drives the air deflector to open the air outlet.
Preferably, the controller detects the starting information of the fan in the step B, and enters the step D if the fan fails to start;
And D, sending out fan starting failure information by the controller.
Preferably, when the outdoor unit further includes a display electrically connected to the controller;
The step D comprises the following steps: the controller sends the fan starting failure information to the display for displaying.
Preferably, the method further comprises the closing step:
a', the controller sends a closing signal to the fan to close the fan;
b ', the controller detects the closing information of the fan, and if the fan is successfully closed, the controller enters C';
c', the controller controls the driving device to work, so that the driving device drives the air deflector to close the air outlet.
preferably, in the step B ', the controller detects the shutdown information of the fan, and if the fan fails to be shutdown, the controller enters the step D';
D', the controller sends out the fan shutdown failure information.
preferably, when the outdoor unit further includes a display electrically connected to the controller;
the step D' comprises the following steps: the controller sends the fan shutdown failure information to the display for display.
According to the outdoor unit provided by the invention, the technical scheme that the shell is provided with the air outlet, the air deflector is arranged on the air outlet and can switch the movement between the first position covering the air outlet and the second position opening the air outlet is adopted, so that the outdoor unit is reasonable in design and simple in structure, and can prevent wind, snow and sundries from entering the outdoor unit, thereby ensuring the normal operation of the fan.
drawings
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
Fig. 1 is a schematic view of an outdoor unit according to a first embodiment;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the outlet panel shown in FIG. 1;
FIG. 4 is an electromechanical schematic of the outdoor unit of FIG. 1;
FIG. 5 is a flowchart showing the startup procedure in the second embodiment;
Fig. 6 is a flowchart of the closing step in the second embodiment.
In the figure: 1. a housing; 11. an air outlet panel; 12. an air outlet; 2. an air deflector; 3. a drive device; 4. a connecting rod; 5. a fan; 6. a controller; 7. a display.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
it should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
example one
As shown in fig. 1 and 2, an outdoor unit includes: the air conditioner comprises a shell 1 and an air deflector 2, wherein an air outlet 12 is formed in the shell 1, and the air deflector 2 is arranged on the air outlet 12 and can move in a switching mode between a first position covering the air outlet 12 and a second position opening the air outlet 12. In actual manufacturing, as shown in fig. 2, the housing 1 includes an air outlet panel 11, and the air outlet 12 is disposed on the air outlet panel 11. The air guiding plate 2 may be rotatably connected to the air outlet panel 11, and rotate to open or cover the air outlet 12, but is not limited thereto. By adopting the technical scheme, the air outlet 12 can be shielded by the air deflector 2, so that wind, snow and sundries are prevented from entering the outdoor unit, the normal operation of the fan is further ensured, and the operation reliability of the outdoor unit is ensured.
further, as shown in fig. 3, a driving device 3 is further included, the driving device 3 is in driving connection with the air deflector 2 to drive the air deflector 2 to switch between the first position and the second position, wherein the driving device 3 may be a motor, but is not limited thereto, and may also be other apparatuses capable of achieving the purpose of the invention. Wherein the driving device 3 can be mounted on the air outlet panel 11 as shown in fig. 3
specifically, the wind guide plate device further comprises connecting rods 4, the number of the wind guide plates 2 is more than two, and the driving device 3 is connected with the more than two wind guide plates 2 through the connecting rods 4 so as to drive the more than two wind guide plates 2 to move through the connecting rods 4. Like this accessible two above aviation baffles 2 shelter from air outlet 12 jointly, drive arrangement 3 is connected with two above aviation baffles 2 through connecting rod 4, can guarantee the synchronous motion of two above aviation baffles 2, and then guarantees opening or closing effect of air outlet 12.
Specifically, as shown in fig. 1 and 2, the air conditioner further includes a fan 5, and the fan 5 is disposed inside the casing 1 and corresponds to the air outlet 12 to blow air inside the casing 1 out of the air outlet 12. Further, as shown in fig. 4, when the driving device 3 is included, a controller 6 is further included, the fan 5 and the driving device 3 are both electrically connected to the controller 6, and the controller 6 can detect the start-up information or the shut-down information of the fan 5 and control the driving device 3 to operate according to the detected information. At the initial state of work, air outlet 12 is closed to aviation baffle 2 and fan 5 is in unoperated state, and the during operation begins, accessible controller 6 sends control signal control fan 5 to fan 5 and starts, because air outlet 12 is in the closed condition this moment, consequently can avoid the influence that outside headwind starts fan 5, guarantees that the fan can normally start, can also reduce fan 5's start-up load simultaneously to the energy has been practiced thrift, can also prolong the life of fan. When the controller 6 detects that the fan 5 is started successfully, a control signal is sent to the driving device 3, so that the driving device 3 drives the air deflector 2 to move to open the air outlet 12. When the air conditioner is stopped, the controller 6 can send a control signal to the fan 5 to control the fan 5 to stop working, and simultaneously detect whether the fan 5 is successfully closed, and after the controller 6 detects that the fan 5 is successfully closed, the controller sends a control signal to the driving device 3 to enable the driving device 3 to drive the air deflector 2 to move to close the air outlet 12, so that sundries such as wind, snow and the like are prevented from entering the interior of the shell 1. By adopting the technical scheme, the reliability of the operation of the air conditioner in a severe environment can be ensured, the overall use experience of customers is optimized, and the customer complaint rate is reduced.
preferably, as shown in fig. 4, the air conditioner further comprises a display 7, and the controller 6 is electrically connected to the display 7 to send the detected start-up information or the detected shut-down information of the fan 5 to the display 7 for display. When the fan 5 is started, if the fan 5 detected by the controller 6 fails to start, the controller 6 can send the information of the failed start of the fan 5 to the display 7, and the display 7 displays a corresponding fault code. When the fan 5 is closed, if the fan 5 detected by the controller 6 fails to be closed, the controller 6 can send the information of the failure of the fan 5 to the display 7, and the display 7 displays a corresponding fault code.
Example two
the method for controlling the outdoor unit comprises the step of controlling the outdoor unit according to the embodiment, wherein the outdoor unit comprises the driving device, the fan and the controller, and the fan and the driving device are electrically connected with the controller.
as shown in fig. 5, the method comprises the following steps: A. the controller sends a starting signal to the fan to start the fan. B. And C, detecting the starting information of the fan by the controller, and entering C if the fan is started successfully. C. The controller controls the driving device to work, so that the driving device drives the air deflector to open the air outlet. By adopting the method, the fan can be ensured to be started smoothly in a severe environment, the influence of external headwind on the starting of the fan is avoided, and the starting load of the fan can be reduced.
Further, in the step B, the controller detects the start information of the fan, and if the fan fails to start, the operation enters step D. And D, sending out fan starting failure information by the controller. The controller can send the fan starting failure information to a remote terminal or an alarm and other equipment. Specifically, the outdoor unit further includes a display electrically connected to the controller, and in this case, step D includes: the controller sends the fan starting failure information to the display for displaying, and the display displays the corresponding error codes, so that an operator can find and process the fan starting failure in time.
As shown in fig. 6, the control method further includes a closing step: a', the controller sends a closing signal to the fan to close the fan. B ', the controller detects the closing information of the fan, and if the fan is successfully closed, the controller enters C'. C', the controller controls the driving device to work, so that the driving device drives the air deflector to close the air outlet. Therefore, the influence of external air flow on the closing of the fan can be avoided, and meanwhile, after the fan is closed, the air guide plate can close the air outlet, so that wind, snow or other impurities can be prevented from entering the indoor unit from the air outlet.
Further, in step B ', the controller detects the fan shutdown information, and if the fan shutdown fails, the operation goes to step D'. D', the controller sends out the fan shutdown failure information. The controller can send fan shutdown failure information to a remote terminal or an alarm and other equipment. Specifically, the outdoor unit further includes a display electrically connected to the controller. The step D' comprises the following steps: the controller sends the fan shutdown failure information to the display for display, and the display displays the corresponding error codes, so that an operator can find and process the fan startup failure in time.
To achieve the above object, according to another aspect of the present invention, an air conditioner includes the outdoor unit described in the first embodiment.
the embodiment of the invention has the advantages of reasonable design, simple structure, and capability of preventing wind, snow and sundries from entering the outdoor unit, thereby ensuring the normal operation of the fan.
the above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A method of controlling an outdoor unit, the outdoor unit comprising: the air conditioner comprises a shell (1) and an air deflector (2), wherein an air outlet (12) is formed in the shell (1), the air deflector (2) is arranged on the air outlet (12) and can move in a switching mode between a first position covering the air outlet (12) and a second position opening the air outlet (12); the air guide plate (2) is in driving connection with the driving device (3) so as to drive the air guide plate (2) to move between the first position and the second position in a conversion mode; the air conditioner also comprises a fan (5), wherein the fan (5) is arranged inside the shell (1) and corresponds to the air outlet (12) and is used for blowing out air inside the shell (1) from the air outlet (12); the fan (5) and the driving device (3) are both electrically connected with the controller (6), the controller (6) can detect the starting information or the closing information of the fan (5) and control the driving device (3) to work according to the detected information,
The method is characterized in that:
the method comprises the following steps:
A. the controller sends a starting signal to the fan to start the fan;
B. The controller detects the starting information of the fan, and if the fan is started successfully, the controller enters the step C;
C. the controller controls the driving device to work, so that the driving device drives the air deflector to open the air outlet;
B, the controller detects the starting information of the fan, and if the fan fails to start, the fan enters D;
And D, sending out fan starting failure information by the controller.
2. the control method according to claim 1, characterized in that:
The outdoor unit further comprises a display (7), the controller (6) is electrically connected with the display (7) so as to send the detected starting information or closing information of the fan (5) to the display (7) for displaying;
The step D comprises the following steps: the controller sends the fan starting failure information to the display for displaying.
3. the control method according to any one of claims 1 to 2, characterized in that:
Further comprising a closing step:
A', the controller sends a closing signal to the fan to close the fan;
b ', the controller detects the closing information of the fan, and if the fan is successfully closed, the controller enters C';
c', the controller controls the driving device to work, so that the driving device drives the air deflector to close the air outlet.
4. The control method according to claim 3, characterized in that:
B ', the controller detects the closing information of the fan, and if the fan fails to be closed, the controller enters D';
D', the controller sends out the fan shutdown failure information.
5. The control method according to claim 4, characterized in that:
the outdoor unit further comprises a display (7), the controller (6) is electrically connected with the display (7) so as to send the detected starting information or closing information of the fan (5) to the display (7) for displaying;
the step D' comprises the following steps: the controller sends the fan shutdown failure information to the display for display.
6. The control method according to claim 1, characterized in that: the outdoor unit also comprises a connecting rod (4);
the number of the air deflectors (2) is more than two, and the driving device (3) is connected with the more than two air deflectors (2) through the connecting rod (4) so as to drive the more than two air deflectors (2) to move through the connecting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391780.5A CN108592246B (en) | 2018-04-27 | 2018-04-27 | Outdoor unit, air conditioner and control method of outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391780.5A CN108592246B (en) | 2018-04-27 | 2018-04-27 | Outdoor unit, air conditioner and control method of outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108592246A CN108592246A (en) | 2018-09-28 |
| CN108592246B true CN108592246B (en) | 2019-12-17 |
Family
ID=63610731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810391780.5A Active CN108592246B (en) | 2018-04-27 | 2018-04-27 | Outdoor unit, air conditioner and control method of outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108592246B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131799A (en) * | 2019-05-20 | 2019-08-16 | 广东美的暖通设备有限公司 | Outdoor unit, control method and computer readable storage medium |
| CN114636202B (en) * | 2022-03-07 | 2023-03-10 | Tcl空调器(中山)有限公司 | Air conditioner outdoor unit and windproof adjusting method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1804003A1 (en) * | 2005-12-29 | 2007-07-04 | LG Electronics Inc. | Outdoor unit for air conditioner and operation method thereof |
| KR100784994B1 (en) * | 2006-09-20 | 2007-12-11 | 주식회사 엔휀스타 | Method and control apparatus for louver in air conditioner outdoor unit having a cooling fan |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100572959C (en) * | 2004-09-29 | 2009-12-23 | 乐金电子(天津)电器有限公司 | The method for reminding fault code of air-conditioning |
| KR20090053491A (en) * | 2007-11-23 | 2009-05-27 | 엘지전자 주식회사 | Out door unit of an air conditioner |
| CN102789230B (en) * | 2012-08-13 | 2014-11-19 | 海信（山东）空调有限公司 | Method for automatically detecting air conditioner outdoor unit control panel |
| CN106016582B (en) * | 2016-05-16 | 2018-11-30 | 珠海格力电器股份有限公司 | Air-conditioning fault self-detection method, self-test tooling and air-conditioning fault self-checking device |
| CN206430340U (en) * | 2016-12-13 | 2017-08-22 | 天津大学 | A kind of air conditioner ventilation heat abstractor of adjustable outdoor unit shutter state |
-
2018
- 2018-04-27 CN CN201810391780.5A patent/CN108592246B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1804003A1 (en) * | 2005-12-29 | 2007-07-04 | LG Electronics Inc. | Outdoor unit for air conditioner and operation method thereof |
| KR100784994B1 (en) * | 2006-09-20 | 2007-12-11 | 주식회사 엔휀스타 | Method and control apparatus for louver in air conditioner outdoor unit having a cooling fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108592246A (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108592246B (en) | Outdoor unit, air conditioner and control method of outdoor unit | |
| CN201409109Y (en) | Diesel generator set intelligent control system | |
| CN109357354B (en) | Power-off protection control method and module for air conditioner and air conditioner | |
| CN101413708A (en) | Slide door control device and method | |
| CN101153732B (en) | Control method and device for opening and closing door of air conditioner | |
| CN109442077A (en) | A kind of Remote control valve door | |
| CN105655095A (en) | Air-cooled control device | |
| CN212032034U (en) | Switch cabinet temperature and humidity control system | |
| CN204940427U (en) | Power station life fire fighting supply intelligence control system | |
| CN210007613U (en) | high-voltage frequency converter cabinet capable of automatically dehumidifying | |
| JP2007036447A (en) | Opening/closing device for building in home network system | |
| CN110474579B (en) | Control device for rotation of stepping motor | |
| CN203532217U (en) | Control logic unit with two pumps mutually serving as stand-by pump and with stand-by pump being started automatically | |
| CN201540480U (en) | Remote control device for substation illumination and fan systems | |
| CN2697317Y (en) | Intelligent switching starter for miner blowing fan | |
| CN112432259A (en) | Top cover assembly, outdoor unit and air conditioning system | |
| CN205505231U (en) | Automatic reserve operation off -premises station | |
| CN217103966U (en) | Automatic ventilation device for gas valve station | |
| CN214427769U (en) | Intelligent switch panel for linkage of family scene and intelligent household system | |
| CN217508001U (en) | Secondary open-circuit prevention control device of distribution network automatic switch | |
| CN217357471U (en) | Air deflector control system and air conditioner | |
| CN109298650B (en) | Control system of accident exhaust fan of small-sized data machine room | |
| CN214280544U (en) | Low-temperature outdoor SSTS box | |
| CN112002593B (en) | Disconnecting switch operating mechanism with modularized control loop design and use method | |
| CN216851003U (en) | Multi-electric appliance intelligent power distribution control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |