CN204858290U - An intelligent dehumidification system for switchgear with timing dehumidification function - Google Patents

Abstract

The utility model discloses an intelligent dehumidification system for a switch cabinet with a timing dehumidification function, comprising a CPU with a timing function and a power supply module connected thereto, a 485 communication module, a temperature and humidity collection module, a semiconductor condenser assembly, a fan, and an indicator Lights, buttons and man-machine interface, in which the CPU can set the start and stop time of dehumidification, and the automatic timing dehumidification function will be realized within the set time every day. The temperature and humidity acquisition module collects the internal temperature and humidity data of electrical equipment and transmits the data To the CPU, the 485 communication module transmits temperature and humidity data, CPU working status to the host computer, and transmits the instructions of the host computer to the CPU, and the semiconductor condenser assembly and fan are used for dehumidification. The utility model has a timing dehumidification function, and the start and stop time can be set without affecting other dehumidification control methods, which saves costs for the dehumidification field of the power industry, reduces waste of resources, and has high economic value and great practical value. .

Description

An intelligent dehumidification system for switchgear with timing dehumidification function

technical field

The utility model relates to an intelligent dehumidification system for a switch cabinet with a timing dehumidification function, which belongs to the field of intelligent dehumidification in the electric power industry.

Background technique

Various high and low voltage switch cabinets, electric control cabinets, terminal boxes and other electrical equipment, in order to ensure the safety, reliability and service life of their operation, have strict requirements on the internal environmental humidity. If the humidity is too high, the electrical components will be easily damaged. Corrosion and mold are produced, which affect the function and life of electrical components, and if electrical equipment is severely damp and condensed, it is easy to cause insulation drop or electrical breakdown accidents, which seriously threatens the safe operation of switchgear.

At present, most of the power industry adopts the combination of humidity controller and heater to solve the problem of moisture in the cabinet. However, under the condition of high humidity and sealing, the heater only separates gas and water from the humid air in the surrounding area. After the water molecules are heated and rise, they cool down around the cabinet body or on the electrical equipment, resulting in condensation. Operation and maintenance personnel often find that In the electrical cabinet installed with a heating dehumidifier, there is still serious condensation on the terminal block and the cabinet wall, and the moisture still remains inside the cabinet, which makes the electrical equipment in the cabinet more susceptible to moisture and cannot effectively reduce the humidity inside the cabinet , which is more detrimental to the safe operation of the equipment. At present, none of the switchgear dehumidification systems on the market have the function of timing dehumidification, and some dehumidification systems do not have the function of 485 communication.

Utility model content

In order to make up for the shortcomings of the existing technology, after long-term and extensive market research, combined with the actual operating conditions on site, the utility model provides an intelligent dehumidification system for switch cabinets with a timing dehumidification function, which fills the current market. The cabinet dehumidification system has no technical loopholes with timing dehumidification function, and the intelligent dehumidification system of the switch cabinet is optimized.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

An intelligent dehumidification system for switchgear with timing dehumidification function, including a CPU with timing function and a power module connected to it, a 485 communication module, a temperature and humidity collection module, a semiconductor condenser assembly, a fan, an indicator light, buttons and people machine interface, where

The power supply module provides the power required for the CPU to work;

The temperature and humidity acquisition module collects the internal temperature and humidity data of the electrical equipment, and transmits the data to the CPU;

In the semiconductor condenser assembly, the fan inputs the signal to the CPU, and the CPU outputs the signal to the indicator light;

The 485 communication module transmits temperature and humidity data and CPU working status to the host computer, and transmits the host computer instructions to the CPU;

The indicator light shows the working state and running state of the system;

The operator operates the system through the keys.

The above-mentioned temperature and humidity acquisition module can be built-in or external according to user requirements.

The aforementioned indicator light configuration includes 6 indicator lights of running, automatic, heating, timing, dehumidification, and fan.

The aforementioned keys are configured with 4 light touch key control keys.

The aforementioned man-machine interface is equipped with full Chinese OLED liquid crystal display.

The utility model has the advantages of:

1) With timing dehumidification function, the start and stop time can be set, and the automatic timing dehumidification function will be realized within the set time every day without affecting other dehumidification control methods, saving costs and reducing resources for the dehumidification field of the power industry Waste, with high economic value and great practical value;

2) Reduce the humidity of space gas, reduce salt spray corrosion, avoid condensation on the surface of electronic components, reduce the risk of high-voltage breakdown of insulating devices, improve the reliability of devices, prolong the service life of equipment, and ensure the normal operation of the power grid;

3) OLED Chinese liquid crystal display is used to improve the clarity of the interface;

4) With RS485 communication function, the dehumidification working threshold, communication address and baud rate are adjustable;

5) The built-in/external option of the temperature and humidity acquisition module realizes the option of user needs;

6) Manual/automatic dehumidification can be selected for the dehumidification work control mode, which realizes the optional function of use;

7) It fills in the technical loophole that none of the switchgear dehumidification systems currently on the market have a timing dehumidification function.

Description of drawings

Fig. 1 is a structural schematic diagram of an intelligent dehumidification system for a switch cabinet with a timing dehumidification function according to the present invention.

Detailed ways

The utility model is described in further detail in conjunction with accompanying drawing and specific embodiment now.

As shown in Figure 1, the switchgear intelligent dehumidification system of the present invention includes: a CPU with a timing function and a power module connected thereto, a 485 communication module, a temperature and humidity collection module, a semiconductor condenser assembly, a fan, an indicator light, keys and man-machine interface, among which,

CPU, with timing function, meets the timing dehumidification function of the intelligent dehumidification system of the switch cabinet. The start and stop time can be set, and the automatic timing dehumidification function will be realized within the set time every day without affecting other dehumidification control methods.

The power module is used to supply power to the CPU to meet the normal work of the CPU, and then to meet the work of the temperature and humidity collection module, semiconductor condenser components, fans, etc.

The 485 communication module has RS485 communication function, and the dehumidification working threshold, communication address and baud rate are adjustable. The temperature and humidity data and system working status can be transmitted to the host computer through RS485 communication, and the working status of the dehumidification system can be remotely controlled and relevant threshold settings can be set through the host computer.

The temperature and humidity collection module collects the internal humidity of electrical equipment to control the start and stop of the semiconductor condenser components. Can measure temperature and humidity data at the same time, and transmit the data to CPU. The internal/external setting of the temperature and humidity acquisition module can be selected according to user requirements.

The semiconductor condenser assembly produces cold and heat effects after operation. The hot end accelerates the air flow inside the electrical equipment under the action of the fan, and the cold end quickly condenses the flowing humidity and moisture to form water droplets to achieve the purpose of complete dehumidification.

The fan, through the fan, forms an airflow in the sealed space, condenses the water molecules in the air around the condensing plate of the condenser, and the air temperature of the condensing plate drops to zero, condenses the water molecules in the air, collects them through the liquid collecting funnel and discharges them to the outside of the sealed space, Such uninterrupted work can achieve the purpose of reducing the humidity in the internal space of electrical equipment.

Indicator light, equipped with 6 indicator lights including "running", "automatic", "heating", "timing", "dehumidification", and "fan". Operators can intuitively understand the system's working status, running status, communication running status and other information.

Button, equipped with 4 light-touch button control keys, including "ESC", "︰", "︰", Operators can operate the system through keys.

Man-machine interface adopts humanized panel design, equipped with full Chinese OLED liquid crystal display, operates each menu page according to the level, and can monitor and record various data and events collected by the system according to the menu prompts, and can directly set parameters through the menu View, modify and other operations. It can check the temperature and humidity data, set the dehumidification method, set the dehumidification time, set the time, set the communication, test, check the information (model, version, CRC check value), etc.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (5)

1. with an Intelligent switch cabinet dehumidification system for timing dehumidification function, it is characterized in that, the CPU comprising band timing function and the power module be attached thereto, 485 communication modules, humiture collection module, semiconductor cooling condenser assembly, fan, indicator light, button and man-machine interface, wherein

Described power module provides the power supply required for work for CPU;

Described humiture collection module acquires inside electric appliance temperature and humidity data, and send data to CPU;

Described semiconductor cooling condenser assembly, signal is input to CPU by fan, and signal is outputted to indicator light by CPU;

Temperature and humidity data, CPU operating state are transferred to host computer by described 485 communication modules, and by host computer command to CPU;

The operating state of described indicator light display system and running status;

Operating personnel are operated system by described button.

2. a kind of Intelligent switch cabinet dehumidification system with timing dehumidification function according to claim 1, is characterized in that, described humiture collection module can require to select internal or external mode according to user.

3. a kind of Intelligent switch cabinet dehumidification system with timing dehumidification function according to claim 1, is characterized in that, the configuration of described indicator light comprise operations, automatically, heating, regularly, dehumidify, fan 6 indicator lights.

4. a kind of Intelligent switch cabinet dehumidification system with timing dehumidification function according to claim 1, is characterized in that, described key configurations 4 touch key operating keys.

5. a kind of Intelligent switch cabinet dehumidification system with timing dehumidification function according to claim 1, is characterized in that, the complete Chinese OLED liquid crystal display of described man-machine interface configuration.