CN210345783U - Control system of central fresh air dehumidifier - Google Patents
Control system of central fresh air dehumidifier Download PDFInfo
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- CN210345783U CN210345783U CN201921074370.4U CN201921074370U CN210345783U CN 210345783 U CN210345783 U CN 210345783U CN 201921074370 U CN201921074370 U CN 201921074370U CN 210345783 U CN210345783 U CN 210345783U
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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 control system of a central fresh air dehumidifier, which comprises a panel, a control panel and an air quality sensor; the panel, the control panel and the air quality sensor are communicated through an MODBUS RTU. The panel is used as a main station, and the control panel and the air quality sensor are sub-stations. This control system has new trend, dehumidification function simultaneously, can freely set for the mode, sets for the amount of wind, easy operation, powerful can be suitable for most new trend system in the market, dehumidification system to and new trend dehumidification system. The control system has the functions of fresh air and dehumidification, can freely set the working mode and set the air quantity, is simple to operate and strong in function, and can be suitable for most fresh air systems, dehumidification systems and fresh air dehumidification systems in the market.
Description
Technical Field
The utility model relates to a dehumidifier control system field, concretely relates to central new trend dehumidifier control system.
Background
At present, a plurality of fresh air control systems and dehumidification control systems are available in the market, the fresh air control systems detect the air quality, and automatically start the fresh air systems to improve the air quality; the dehumidification control system automatically starts the dehumidification system by detecting the humidity, so that the air humidity is reduced. No matter be fresh air controller system or dehumidification accuse system, the function is more single, only has solitary fresh air function, dehumidification function, and when the occasion of all requiring environmental quality and ambient humidity simultaneously, current control system is unsatisfied.
SUMMERY OF THE UTILITY MODEL
The utility model provides a central new trend dehumidification machine control system has new trend, dehumidification function simultaneously, can the free setting mode, sets for the amount of wind, easy operation, powerful can be suitable for most new trend system in market, dehumidification system to and new trend dehumidification system.
The utility model adopts the following technical scheme:
a control system of a central fresh air dehumidifier comprises a panel, a control panel and an air quality sensor; the panel, the control panel and the air quality sensor are communicated through an MODBUS RTU, wherein the panel serves as a main station, and the control panel and the air quality sensor serve as sub-stations.
Preferably, the panel comprises an MODBUS RTU communication module, a touch screen driving module and a Wifi communication module. The MODBUS RTU communication module is used for Modbus RTU communication; the touch screen and the touch screen driving module are used for displaying the working state of the equipment, selecting the working mode and the like; the Wifi communication module is used for wireless communication function.
Further, the control panel is composed of the following parts: MODBUS RTU communication module, temperature and humidity sensor gather module, temperature sensor and gather module, low pressure sensor and gather module, 4 way relay output module and main fan speed governing modules. The MODBUS RTU communication module is used for MODBUS RTU communication; the temperature and humidity sensor acquisition module is used for acquiring temperature and humidity sensor signals; the temperature sensor acquisition module is used for acquiring a signal of the coil pipe temperature sensor and is used for the automatic defrosting function of the equipment; the low-voltage sensor acquisition module is used for acquiring a pressure signal and has a low-voltage protection function;
further, 4 way relay output module includes auxiliary air fan control module, main air valve control module, auxiliary air valve control module, compressor control module. The 4-path relay output module is respectively used for controlling the start and stop of the compressor, the auxiliary fan, the main valve and the auxiliary valve; and the main fan speed regulation module is used for stepless speed regulation of the main fan.
Further, the air quality sensor comprises a MODBUS RTU communication module, a CO2 sensor module, a PM2.5 sensor module and a TVOC sensor module. The MODBUS RTU communication module is used for MODBUS RTU communication; the CO2 sensor module is used for detecting the concentration of CO 2; the PM2.5 sensor module is used for detecting the concentration of PM 2.5; the TVOC sensor module is used for detecting the TVOC concentration.
Further, MODBUS RTU communication is respectively through 2 air quality sensor's power cord to and 2 Modbus RTU communication's signal line connection.
The working principle of the central fresh air dehumidifier control system is as follows: the panel collects CO2, PM2.5 and TVOC values of the air quality sensor through Modbus communication, the value of the air quality sensor is sent to the control panel, the operation mode of equipment can be freely selected through the panel, the threshold values of dehumidification work and fresh air work of the equipment are set, the wind speed of the fan work is freely set, the central fresh air dehumidifier is controlled to start and stop, the working state and fault information of the equipment are displayed in real time, and a user can remotely control the equipment in a computer and mobile phone APP mode and master the environment temperature and humidity, the air quality and the working state of the equipment in real time;
the Modbus RTU communication protocol is a general language applied to an electronic controller. Through this protocol, the controllers can communicate with each other. It has become a common industry standard. Control devices produced by different manufacturers can be connected into an industrial network for centralized monitoring. Through Modbus RTU communication protocol communication, constitute an industrial network with panel, control panel, air quality sensor, carry out data interaction in real time between each equipment.
The utility model has the advantages that:
1. the equipment has the functions of fresh air and dehumidification, can freely set the working mode and set the air quantity, is simple to operate, has strong functions, and can be suitable for most fresh air systems, dehumidification systems and fresh air dehumidification systems in the market;
2. the MODBUS communication mode reduces the connecting wires between the panel and the control panel, and only 4 wires are needed at present;
3. the state of the equipment can be mastered through terminal equipment, such as a computer and a mobile phone APP remote control device;
5. the automatic defrosting and low-voltage protection device has the functions of automatic defrosting and low-voltage protection, automatic fault judgment and equipment protection.
Drawings
FIG. 1 is a structural use intention of the control system of the present invention;
fig. 2 is the utility model discloses a MODBUS communication mode's connection structure schematic diagram.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model relates to a control system of a central fresh air dehumidifier, which comprises a panel 1, a control panel 2 and an air quality sensor 3; the panel, the control panel and the air quality sensor are communicated through an MODBUS RTU. The panel is used as a main station, and the control panel and the air quality sensor are sub-stations.
The panel comprises an MODBUS RTU communication module 11, a touch screen 12, a touch screen driving module 13 and a Wifi communication module 14. The MODBUS RTU communication module is used for ModbusRTU communication; the touch screen and the touch screen driving module are used for displaying the working state of the equipment, selecting the working mode and the like; the Wifi communication module is used for wireless communication function.
The control panel is composed of the following parts: MODBUS RTU communication module 11, temperature and humidity sensor gather module 21, temperature sensor gather module 22, low pressure sensor gather module 23, 4 way relay output module 24 and main fan speed governing module 25. The MODBUS RTU communication module is used for MODBUS RTU communication; the temperature and humidity sensor acquisition module is used for acquiring temperature and humidity sensor signals; the temperature sensor acquisition module is used for acquiring a signal of the coil pipe temperature sensor and is used for the automatic defrosting function of the equipment; the low-voltage sensor acquisition module is used for acquiring a pressure switch signal and has a low-voltage protection function.
The 4-path relay output module comprises an auxiliary air fan control module 24.1, a main air valve control module 24.2, an auxiliary air valve control module 24.3 and a compressor control module 24.4; the 4-path relay output module is respectively used for controlling the start and stop of the compressor, the auxiliary fan, the main valve and the auxiliary valve; and the fan speed regulation module is used for stepless speed regulation of the main fan.
The air quality sensor comprises a MODBUS RTU communication module 11, a CO2 sensor module 32, a PM2.5 sensor module 33 and a TVOC sensor module 31. The MODBUS RTU communication module is used for MODBUS RTU communication; the CO2 sensor module is used for detecting the concentration of CO 2; the PM2.5 sensor module is used for detecting the concentration of PM 2.5; the TVOC sensor module is used for detecting the TVOC concentration.
The MODBUS RTU communication is respectively connected through power lines of 2 air quality sensors and signal lines of 2 Modbus RTU communication, as shown in FIG. 2, wherein line ①② is the power line of the air quality sensor, and line ③④ is the signal line of the Modbus RTU communication.
The control system of the central fresh air dehumidifier has the functions of automatic defrosting and low-pressure protection, and can automatically judge faults and protect equipment; the control panel is provided with a temperature sensor acquisition module which can acquire the temperature of the evaporator in real time, the evaporator can frost when the temperature of the evaporator is lower than 0 ℃, and in order to protect the evaporator, the equipment automatically enters a defrosting mode until the temperature of the evaporator is higher than 5 ℃, and then the equipment exits defrosting; the control panel has low pressure sensor and gathers the module, gathers pipeline pressure signal in real time, causes pipeline pressure when the condition such as hourglass fluorine appears in the pipeline when low, and equipment auto-stop and warning.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be limited to the specific forms set forth, but rather should be construed as broadly as the equivalent technical means which can be conceived by one skilled in the art based on the inventive concepts.
Claims (6)
1. A control system of a central fresh air dehumidifier comprises a panel, a control panel and an air quality sensor; the panel, the control panel and the air quality sensor are communicated through an MODBUS RTU, wherein the panel serves as a main station, and the control panel and the air quality sensor serve as sub-stations.
2. The central fresh air dehumidifier control system of claim 1, wherein said panel comprises a MODBUS RTU communication module, a touch screen and touch screen driving module, and a Wifi communication module.
3. The control system of claim 1, wherein the control board comprises: MODBUS RTU communication module, temperature and humidity sensor gather module, temperature sensor and gather module, low pressure sensor and gather module, 4 way relay output module and main fan speed governing modules.
4. The central fresh air dehumidifier control system according to claim 3, wherein the 4-way relay output module comprises a secondary fan control module, a main air valve control module, a secondary air valve control module and a compressor control module.
5. The central fresh air dehumidifier control system of claim 1, wherein said air quality sensor comprises a MODBUS RTU communication module, a CO2 sensor module, a PM2.5 sensor module and a TVOC sensor module.
6. The control system of the central fresh air dehumidifier of claim 1, wherein the MODBUS RTU communication is connected through power lines of 2 air quality sensors and signal lines of 2 MODBUS RTU communication respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074370.4U CN210345783U (en) | 2019-07-10 | 2019-07-10 | Control system of central fresh air dehumidifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921074370.4U CN210345783U (en) | 2019-07-10 | 2019-07-10 | Control system of central fresh air dehumidifier |
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| CN210345783U true CN210345783U (en) | 2020-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307618A (en) * | 2019-07-10 | 2019-10-08 | 杭州格米环境科技有限公司 | A kind of center fresh air dehumidification machine control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307618A (en) * | 2019-07-10 | 2019-10-08 | 杭州格米环境科技有限公司 | A kind of center fresh air dehumidification machine control system |
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