A fan main control system

Abstract

The present invention relates to a fan main control system, wherein a digital quantity module, an analog quantity module and a bus extension module are electrically connected to a fan output power supply, the digital quantity module is electrically connected to a first storage battery, the first storage battery is connected in parallel with the fan output power supply, the analog quantity module is electrically connected to a second storage battery, the second storage battery is connected in parallel with the fan output power supply, and the bus extension module is electrically connected to a third storage battery, the third storage battery is connected in parallel with the fan output power supply. Compared with the prior art, the digital quantity module, the analog quantity module and the bus extension module can be prevented from being damaged by surges, thereby preventing the failure of burning out a PLC module during the process of stopping the fan from supplying 24V electricity.

Description

Technical Field

[0001] The invention relates to the field of fan control, and in particular to a fan main control system. Background Art

[0002] With the increase of operating years, the electrical performance of various components of the fan continues to decline. Among them, the PLC module often burns out when the fan stops supplying 24V power. Summary of the invention

[0003] The purpose of the present invention is to provide a fan main control system in order to overcome the defects of the above-mentioned prior art.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A fan master control system, a digital quantity module, an analog quantity module and a bus expansion module are electrically connected to a fan output power supply, the digital quantity module is electrically connected to a first battery, the first battery is connected in parallel with the fan output power supply, the analog quantity module is electrically connected to a second battery, the second battery is connected in parallel with the fan output power supply, and the bus expansion module is electrically connected to a third battery, the third battery is connected in parallel with the fan output power supply.

[0006] The first storage battery, the second storage battery and the third storage battery are all lithium-ion batteries.

[0007] The first storage battery, the second storage battery and the third storage battery are all lead-acid batteries.

[0008] The first storage battery, the second storage battery and the third storage battery are all provided with a battery protection board for maintaining the voltage stable at a threshold value.

[0009] The threshold value is 24V.

[0010] The first storage battery, the second storage battery and the third storage battery are all provided with temperature sensors, and the temperature sensors are connected to the CPU of the battery protection board.

[0011] The first storage battery, the second storage battery and the third storage battery are all provided with fans, and the fans are connected to the CPU of the battery protection board.

[0012] The first battery, the second battery and the third battery are all KL9550 modules.

[0013] The digital quantity module is electrically connected to a first filter, and the first filter is connected in series with the fan output power supply.

[0014] The analog quantity module is electrically connected to a second filter, and the second filter is connected in series with the fan output power supply.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] (1) The digital quantity module is electrically connected to a first battery, which is connected in parallel with the fan output power supply; the analog quantity module is electrically connected to a second battery, which is connected in parallel with the fan output power supply; the bus extension module is electrically connected to a third battery, which is connected in parallel with the fan output power supply; the first battery, the second battery and the third battery store electrical energy when a surge occurs, thereby preventing the surge from damaging the digital quantity module, the analog quantity module and the bus extension module, thereby preventing the PLC module from burning out when the fan stops supplying 24V power.

[0017] (2) The first battery, the second battery and the third battery are all provided with a battery protection board for maintaining the voltage stable at a threshold value, thereby protecting the battery from excessive charging and discharging and improving the battery life.

[0018] (3) The first battery, the second battery and the third battery are all provided with temperature sensors, and the first battery, the second battery and the third battery are all provided with fans to prevent the battery temperature from being too high.

[0019] (4) The digital quantity module is electrically connected to the first filter, which is connected in series with the fan output power supply, and the analog quantity module is electrically connected to the second filter, which is connected in series with the fan output power supply, which is conducive to further eliminating the impact of surges. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0021] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0022] Example

[0023] A fan master control system, a digital quantity module, an analog quantity module and a bus expansion module are electrically connected to a fan output power supply, the digital quantity module is electrically connected to a first battery, the first battery is connected in parallel with the fan output power supply, the analog quantity module is electrically connected to a second battery, the second battery is connected in parallel with the fan output power supply, and the bus expansion module is electrically connected to a third battery, the third battery is connected in parallel with the fan output power supply.

[0024] Specifically:

[0025] The first storage battery, the second storage battery and the third storage battery are all lithium-ion batteries or lead-acid batteries.

[0026] The first battery, the second battery and the third battery are all provided with a battery protection board which maintains the voltage stable at 24V, so as to protect the battery from excessive charging and discharging and improve the battery life.

[0027] The first storage battery, the second storage battery and the third storage battery are all provided with temperature sensors and fans, and the fans and temperature sensors are connected to the CPU of the battery protection board to prevent the storage battery temperature from being too high.

[0028] The first battery, the second battery and the third battery are all KL9550 modules.

[0029] The digital quantity module is electrically connected to the first filter, the first filter is connected in series with the fan output power supply, and the first filter is a KL9540 module.

[0030] The analog quantity module is electrically connected to the second filter, the second filter is connected in series with the fan output power supply, and the second filter is a KL9540 module.

[0031] Directions:

[0032] When the fan stops supplying 24V electricity, the generated surge is stored in the first battery, the second battery and the third battery, and is filtered by the first filter and the second filter, thereby eliminating the damage of the surge to the digital module, the analog module and the bus expansion module.

Claims

1. A fan master control system, wherein a digital quantity module, an analog quantity module and a bus expansion module are electrically connected to the fan output power supply, characterized in that: The digital quantity module is electrically connected to a first storage battery, which is connected in parallel with the output power supply of the wind turbine; the analog quantity module is electrically connected to a second storage battery, which is connected in parallel with the output power supply of the wind turbine; the bus expansion module is electrically connected to a third storage battery, which is connected in parallel with the output power supply of the wind turbine; The first battery, the second battery and the third battery are all lithium-ion batteries; The first storage battery, the second storage battery and the third storage battery are all provided with a battery protection board for maintaining the voltage stable at a threshold value.

2. A fan main control system according to claim 1, characterized in that: The threshold value is 24V.

3. A fan main control system according to claim 1, characterized in that: The first storage battery, the second storage battery and the third storage battery are all provided with temperature sensors, and the temperature sensors are connected to the CPU of the battery protection board.

4. A fan main control system according to claim 1, characterized in that: The first storage battery, the second storage battery and the third storage battery are all provided with fans, and the fans are connected to the CPU of the battery protection board.

5. A fan main control system according to claim 1, characterized in that: The digital quantity module is electrically connected to a first filter, and the first filter is connected in series with the fan output power supply.

6. A fan main control system according to claim 1, characterized in that: The analog quantity module is electrically connected to a second filter, and the second filter is connected in series with the fan output power supply.

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