CN218846404U - Thing allies oneself with color screen fan coiler controlling means and heating and ventilating air conditioner - Google Patents
Thing allies oneself with color screen fan coiler controlling means and heating and ventilating air conditioner Download PDFInfo
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- CN218846404U CN218846404U CN202222878233.4U CN202222878233U CN218846404U CN 218846404 U CN218846404 U CN 218846404U CN 202222878233 U CN202222878233 U CN 202222878233U CN 218846404 U CN218846404 U CN 218846404U
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- 238000010438 heat treatment Methods 0.000 title abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
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- 230000005540 biological transmission Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
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- 230000008859 change Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 7
- 239000012141 concentrate Substances 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
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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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Abstract
The utility model discloses a thing allies oneself with color screen fan coiler control device and heating leads to air conditioner, the device includes host system module, relay output module, touch button module, colored TN liquid crystal display module, humiture collection module, light sensing collection module, bluetooth communication module and power module; the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module are all connected with the main control module through a level conversion chip; the power supply module provides power for the main control module, the level conversion chip, the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module. The utility model discloses can not only more accurate control fan coil, can also help the user can conveniently concentrate the management and control to the terminal fan coil of heating and ventilation air conditioner.
Description
Technical Field
The utility model belongs to the technical field of warm logical air conditioner end control, concretely relates to thing allies oneself with color screen fan coil controlling means and warm logical air conditioner.
Background
In the field of heating ventilation air-conditioning terminal control, a fan coil control device is mainly applied to fan coil control at the heating ventilation air-conditioning terminal, and has the main functions of being connected with controlled equipment such as a fan motor and a water valve actuator and automatically regulating and controlling the wind speed of a fan and the opening and closing of a water valve by collecting external environment data such as environmental temperature, humidity and the like. However, in the prior art, the fan coil control device has a large difference between the temperature and humidity acquired by the built-in sensor and the actual environment temperature and humidity due to self heating, so that the actual environment temperature and humidity cannot be represented, the temperature and humidity control precision is poor directly, and people feel uncomfortable. Therefore, technical problems to be solved by technical personnel in the field need to be solved by how to provide a temperature and humidity indicator for a fan coil and meet the requirement that a user can conveniently and centrally control a central air-conditioning terminal fan coil.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes prior art's shortcoming and not enough, provides a thing allies oneself with color screen fan coil pipe controlling means and warm logical air conditioner, the utility model discloses can not only accurately control fan coil pipe more, can also make the user can conveniently concentrate the management and control to the terminal fan coil pipe of warm logical air conditioner.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a thing allies oneself with colored screen fan coil control device, including main control module, relay output module, touch button module, colored TN liquid crystal display module, humiture collection module, light sensing collection module, bluetooth communication module and power module; the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module are all connected with the main control module through a level conversion chip; the power supply module provides power for the main control module, the level conversion chip, the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module;
the main control module is internally provided with a wireless communication unit for carrying out data transmission with a cloud end in a wireless mode;
the Bluetooth communication module is used for carrying out data transmission interaction with external low-power-consumption Bluetooth acquisition equipment, and the external low-power-consumption Bluetooth acquisition equipment is used for acquiring the environment temperature and humidity, the environment carbon dioxide content, the environment TOVC content of volatile harmful gases, the environment PM2.5 particulate matter content, the door and window opening and closing state and the state information of human body movement in the area;
the relay output module is used for controlling high, medium and low speed gears of the fan and opening and closing of a water valve;
the temperature and humidity acquisition module is used for acquiring the temperature and humidity in the fan coil control device of the Internet of things color screen;
the color TN liquid crystal display module is used for displaying the acquired state information;
the touch key module is used for collecting input information of a user;
and the light sensing acquisition module is used for acquiring the ambient light illumination.
As a preferred technical scheme, the master control module adopts an EC600 series master control module, and a wireless communication unit arranged in the master control module adopts a 4G-cat.1 standard.
According to the preferable technical scheme, the Bluetooth communication module adopts a BG22 Bluetooth module, and the main control module is used for directly communicating with the BG22 Bluetooth module through a serial interface after converting the adaptive level through a level conversion chip.
As a preferable technical scheme, the relay output module comprises an output driving unit and a relay body, when the main control module sends a level signal, the output driving unit directly drives the relay to be attracted or disconnected, and then the relay controls the action of external controlled equipment.
As a preferred technical scheme, the light sensing and collecting module comprises an ambient light intensity sensing element, the main control module sends out a bidirectional level signal, and the ambient light intensity sensing element is directly read after passing through the level conversion chip.
According to the preferable technical scheme, the temperature and humidity acquisition module comprises a temperature and humidity acquisition chip, the main control module is converted to an adaptive value through a bidirectional serial interface through a level conversion chip, and then the adaptive value is sent to the temperature and humidity acquisition chip to acquire the temperature and humidity in the Internet of things color screen fan coil control device.
As a preferred technical scheme, the color TN liquid crystal display module comprises a color TN screen, a backlight light emitting diode and a driving chip, a serial signal is sent by the main control module, the serial signal is converted by the level conversion chip and then is displayed by driving the color TN screen by the driving chip, and the backlight light emitting diode emits light from the rear part of the color TN screen to project display contents.
As a preferred technical scheme, the touch key module comprises a touch state acquisition chip and an in-screen touch key, when a user presses the key within a specified range of a screen, the variable quantity is transmitted to the touch state acquisition chip through the in-screen touch key, and the acquired pressing signal is filtered and then transmitted to the main control module to be read in a level change mode.
As a preferred technical solution, the level conversion chip adopts a TSX0108 level conversion chip.
In a second aspect, the utility model also provides a heating ventilation air conditioner's end is provided with thing antithetical couplet color screen fan coiler controlling means.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) The utility model discloses a wireless communication unit in the master control module carries out data transmission interaction with outside cloud ware, reports current running state to the cloud ware, thereby receives the control command that the cloud ware was issued simultaneously and accomplishes the control to the terminal fan coil of warm logical air conditioner, has satisfied the user and can conveniently carry out the demand of concentrated management and control to the terminal fan coil of warm logical air conditioner.
(2) The utility model discloses a bluetooth communication module carries out wireless connection with the local bluetooth low energy consumption collection equipment of outside, and the environmental information such as humiture, human activity that gathers through the low energy consumption collection equipment of outside bluetooth send to the utility model discloses the device is handled; meanwhile, the temperature and humidity in the fan coil control device of the Internet of things color screen are collected by a temperature and humidity collection module; through outside environment humiture information and the inside humiture information of device, can be more accurate control the terminal fan coil of heating and ventilating air conditioner, can need not personnel to intervene control and can reach the purpose of comfortable control and energy saving.
(3) The utility model discloses a sufficient relay output port has been reserved to the relay module, but fan coil and the water valve of adaptation different grade type, and the commonality is strong, can adapt to most application scenes.
(4) The utility model discloses support OTA long-range upgrading, make things convenient for the increase and the extension of new function in the future, can carry out degree of depth customization according to user's use custom, fully provided user's user demand.
(5) The utility model discloses a colored TN liquid crystal display module replaces traditional LCD display screen, can provide the display interface that the color is abundanter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the fan coil control device of the color screen of internet of things of the present invention;
fig. 2 is a schematic view of a specific application case of the fan coil control device for the color screen of internet of things of the present invention;
fig. 3 is a schematic circuit diagram of the main control module of the present invention;
fig. 4 is a schematic circuit diagram of the bluetooth acquisition module of the present invention;
fig. 5 is a schematic circuit diagram of the relay output module of the present invention;
fig. 6 is a schematic circuit diagram of the illuminance acquisition module of the present invention;
fig. 7 is a schematic circuit diagram of the temperature and humidity acquisition module of the present invention;
FIG. 8 is a schematic circuit diagram of a color TN LCD module of the present invention;
fig. 9 is a schematic circuit diagram of the touch key module of the present invention;
fig. 10 is a schematic circuit diagram of the power module of the present invention;
fig. 11 is a schematic diagram of the level shift chip of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. 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 application.
Examples
As shown in fig. 1, the internet of things color screen fan coil control device of the embodiment includes a main control module (including a wireless communication control part), a bluetooth communication module for local communication, a relay output module for controlling high, medium and low speeds and a water valve, a light sensing acquisition module for acquiring ambient light illumination, a temperature and humidity acquisition module for acquiring temperature and humidity inside the internet of things color screen fan coil control device, a color TN liquid crystal display module for display, a touch key module for acquiring key input of a user, and a power supply module for supplying power to the modules; the Bluetooth communication module, the relay output module, the optical sensing acquisition module, the temperature and humidity acquisition module, the color TN liquid crystal display module and the touch key module are communicated with the main control module through a level conversion chip, and the power supply module is responsible for supplying appropriate power to the modules.
As shown in fig. 2, the thing of this embodiment allies oneself with color screen fan coil pipe controlling means, when concrete application, host system controls above-mentioned each module, makes the utility model discloses the ability to the control of warm terminal fan coil pipe of ventilating air conditioner has.
As shown in fig. 3, in the case of specific application, the main control module of the fan coil control device for internet of things color screen in this embodiment selects an EC 600G-cat.1 module, and the module includes a wireless communication unit, and can be used for performing data transmission interaction with a cloud server, reporting a current operating state to the server, and receiving a control instruction issued by the server, so that a user can conveniently perform centralized control on the fan coil of the heating, ventilating and air conditioning system. Of course, the EC600 4G-cat.1 module is an embodiment of the present invention, and the user can select different main control modules for wireless communication according to the actual application scenario.
As shown in fig. 4, in the case of specific application, the bluetooth communication module adopts BG22 for performing data transmission interaction with local external low-power-consumption bluetooth acquisition equipment, and the main control module directly communicates with the BG22 bluetooth module through a serial interface after converting the adapted level through the level conversion chip. It can be understood that outside bluetooth low energy collection equipment is used for gathering regional environment humiture, environment carbon dioxide content, the environment TOVC of place can volatilize harmful gas content, environment PM2.5 particulate matter content, door and window state and the state information that the human body removed. The external low-power-consumption Bluetooth acquisition equipment transmits the acquired information to the main control module through the Bluetooth module, and the main control module processes the data.
Further, the utility model discloses in, on the one hand through the outside humiture information of bluetooth module transmission, on the other hand gathers the inside humiture information of thing antithetical couplet color screen fan coiler control device through humiture collection module, and rethread host system handles inside, outside humiture information, can be more accurate carry out temperature control to warm logical air conditioner.
As shown in fig. 5, in the fan coil control device for a color screen of an internet of things according to the embodiment, the relay output module includes an output driving unit and a relay body, a main control chip sends a level signal, the relay is directly driven to be closed and opened through the output ULN2003 driving unit, and the relay controls a controlled device to operate. When the intelligent wind power generation system is applied specifically, the relay output module is used for controlling the wind speed gear of the fan and the opening and closing of the water valve, and a user can select different types of fan coil control schemes to match with corresponding types of fan coils according to actual application scenes.
As shown in fig. 6, in the specific application of the fan coil control device for the internet of things color screen of the present embodiment, the illuminance acquisition module uses an APDS9960 illuminance sensor for acquiring ambient illuminance, the light sensing acquisition module includes an ambient illuminance sensing element, the main control module sends a bidirectional level signal, and the ambient illuminance sensing element is directly read after passing through the level conversion chip.
As shown in fig. 7, in the case of specific application, the temperature and humidity acquisition module AHT20 temperature and humidity acquisition chip of the fan coil control device for the internet of things color screen is used for acquiring ambient temperature and humidity at regular time, so that the main control module can acquire ambient temperature and humidity data inside the device, and the condition is used as one of the bases for controlling the wind speed gear of the fan and the opening and closing of the water valve. In the data transmission process, the main control module is converted to an adaptive value through a bidirectional serial interface through a level conversion chip and then sent to a temperature and humidity acquisition chip to acquire the temperature and humidity inside the Internet of things color screen fan coil control device.
As shown in fig. 8, in the fan coil control device for the internet of things color screen according to the embodiment, the color TN liquid crystal display module includes a color TN screen, a backlight light emitting diode and a driving chip, a serial signal is sent by the main control module, converted by the level conversion chip, and displayed by driving the color TN screen by the driving chip, and the backlight light emitting diode emits light from the rear portion of the color TN screen to project display content.
In specific application, the color TN liquid crystal display module directly drives the color TN liquid crystal screen by adopting an HT1621 driving chip and is used for displaying running state information related to the fan coil, wherein the running state information comprises a power-on and power-off state, a running mode, a wind speed gear, a water valve state, a set temperature, wireless signal quality, ambient temperature, ambient humidity and air quality grade.
As shown in fig. 9, in the fan coil control device of the internet of things color screen according to the embodiment, the touch key module includes a touch state acquisition chip and an in-screen touch key, a user presses the key within a specified range of a screen, the variation is transmitted to the AI05 touch state acquisition chip through the in-screen touch key, and the acquired pressed signal is filtered, then passes through the level conversion chip in a serial signal manner, and then is transmitted to the main control module to be read.
In specific application, the touch key module is used for providing an input interface for controlling the fan coil for a user, and the user can realize a series of control operations such as on/off, operation mode switching, wind speed gear adjusting, set temperature adjusting and the like on the fan coil by touching the corresponding touch key.
As shown in fig. 10, in the specific application of the fan coil control device for the color screen of the internet of things of the present embodiment, the power module is divided into two parts, namely AC-DC and DC-DC, where the AC-DC is responsible for converting an AC 220V voltage into a 5V voltage and sending the 5V voltage to the DC-DC circuit. The DC-DC circuit is divided into three groups, and 5V is respectively reduced to 3.8V, 3.3V and 5V is boosted to 12V.
As shown in fig. 11, in the disk control device of the internet of things color screen fan of the present embodiment, when the device is specifically applied, the level conversion portion adopts a TSX0108 level conversion chip. The method is used for level conversion work when the main control module is communicated with the peripheral module.
In another embodiment of the application, a heating ventilation air conditioner is further provided, wherein the tail end of the heating ventilation air conditioner is provided with an Internet of things color screen fan coil control device, and the heating ventilation air conditioner comprises a main control module, a relay output module, a touch key module, a color TN liquid crystal display module, a temperature and humidity acquisition module, a light sensing acquisition module, a Bluetooth communication module and a power supply module; the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module are all connected with the main control module through a level conversion chip; the power module provides power for the main control module, the level conversion chip, the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The fan coil control device for the Internet of things color screen is characterized by comprising a main control module, a relay output module, a touch key module, a color TN liquid crystal display module, a temperature and humidity acquisition module, a light sensing acquisition module, a Bluetooth communication module and a power supply module; the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module are all connected with the main control module through a level conversion chip; the power supply module provides power for the main control module, the level conversion chip, the relay output module, the touch key module, the color TN liquid crystal display module, the temperature and humidity acquisition module, the light sensing acquisition module and the Bluetooth communication module;
the main control module is internally provided with a wireless communication unit for carrying out data transmission with a cloud end in a wireless mode;
the Bluetooth communication module is used for carrying out data transmission interaction with external low-power-consumption Bluetooth acquisition equipment, and the external low-power-consumption Bluetooth acquisition equipment is used for acquiring the environment temperature and humidity, the environment carbon dioxide content, the environment TOVC content of volatile harmful gases, the environment PM2.5 particulate matter content, the door and window opening and closing state and the state information of human body movement in the area;
the relay output module is used for controlling high, medium and low speed gears of the fan and opening and closing of a water valve;
the temperature and humidity acquisition module is used for acquiring the temperature and humidity in the fan coil control device of the Internet of things color screen;
the color TN liquid crystal display module is used for displaying the collected state information;
the touch key module is used for collecting input information of a user;
and the light sensing acquisition module is used for acquiring the ambient light illumination.
2. The fan coil control device of the internet of things color screen of claim 1, wherein the master control module is an EC600 series master control module, and a wireless communication unit built in the master control module adopts a 4G-cat.1 standard.
3. The device for controlling the fan coil of the internet of things color screen according to claim 1, wherein the Bluetooth communication module is a BG22 Bluetooth module, and the main control module converts the adapted level through a level conversion chip and then directly communicates with the BG22 Bluetooth module through a serial interface.
4. The device for controlling the fan coil of the internet of things color screen according to claim 1, wherein the relay output module comprises an output driving unit and a relay body, when the main control module sends a level signal, the relay is directly driven to be attracted or disconnected through the output driving unit, and then an external controlled device is controlled by the relay to act.
5. The fan coiler control device according to claim 1, wherein the light sensing collection module comprises an ambient light illumination sensing element, the main control module sends out a bidirectional level signal, and the ambient light illumination sensing element is directly read after passing through the level conversion chip.
6. The fan coiler control device for the color screen of the internet of things according to claim 1, wherein the temperature and humidity acquisition module comprises a temperature and humidity acquisition chip, the main control module is converted to an adaptive value through a bidirectional serial interface via a level conversion chip, and then the adaptive value is sent to the temperature and humidity acquisition chip to acquire the temperature and humidity inside the fan coiler control device for the color screen of the internet of things.
7. The air blower coiler control device for the internet of things color screen according to claim 1, wherein the color TN liquid crystal display module comprises a color TN screen, a backlight light emitting diode and a driving chip, a serial signal is sent by the main control module, the serial signal is converted by the level conversion chip and then is displayed by driving the color TN screen by the driving chip, and the backlight light emitting diode emits light from the rear part of the color TN screen to project display contents.
8. The air blower coiler control device with the internet of things color screen according to claim 1, wherein the touch key module comprises a touch state acquisition chip and an in-screen touch key, when a user presses the key within a specified range of a screen, the variable quantity is transmitted to the touch state acquisition chip through the in-screen touch key, and an acquired pressing signal is filtered and then transmitted to the main control module to be read in a level change mode.
9. The fan coil control device for the color screen of the internet of things of claim 1, wherein the level conversion chip is a TSX0108 level conversion chip.
10. An hvac unit characterized in that the ir screen fan coil control device of any one of claims 1-9 is arranged at the end of the hvac unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222878233.4U CN218846404U (en) | 2022-10-31 | 2022-10-31 | Thing allies oneself with color screen fan coiler controlling means and heating and ventilating air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222878233.4U CN218846404U (en) | 2022-10-31 | 2022-10-31 | Thing allies oneself with color screen fan coiler controlling means and heating and ventilating air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218846404U true CN218846404U (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222878233.4U Active CN218846404U (en) | 2022-10-31 | 2022-10-31 | Thing allies oneself with color screen fan coiler controlling means and heating and ventilating air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218846404U (en) |
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2022
- 2022-10-31 CN CN202222878233.4U patent/CN218846404U/en active Active
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Address after: 514400 Room 1501, No. 18 Jinmao East 1st Street, Nansha District, Guangzhou City, Guangdong Province (Location: A101) (Office only) Patentee after: Guangdong Saian Technology Co.,Ltd. Country or region after: China Address before: Room 1501, No. 18, Jinmao East 1st Street, Nansha District, Guangzhou City, Guangdong Province 511458 (location: A101) Patentee before: Guangzhou Saian Internet of things Technology Co.,Ltd. Country or region before: China |