CN217509296U

CN217509296U - Energy-saving equipment of machine room air compressor

Info

Publication number: CN217509296U
Application number: CN202220953875.3U
Authority: CN
Inventors: 周易景; 王燎原; 尤龙
Original assignee: Cgn New Energy Integrated Energy Services Shenzhen Co ltd
Current assignee: Cgn New Energy Integrated Energy Services Shenzhen Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-27
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to an energy-saving device of a machine room air compressor, which comprises a clock module for providing clock signals, a first temperature sensor for collecting the temperature of the machine room at the first time, a second temperature sensor for collecting the temperature of the machine room at the second time, a comparator for comparing the temperature values collected by the first temperature sensor and the second temperature sensor, a main controller for generating control signals according to comparison, and a frequency converter for controlling the working state of a motor in the air compressor; clock signals are acquired through the clock module, the frequency converter can reduce the power of the fan by the main controller at intervals, the first temperature sensor and the second temperature sensor respectively collect the ambient temperature before and after the power is reduced, if the temperatures of two time nodes are not changed, the air compressor is set to the power after the air compressor is reduced, then the power is continuously reduced until the temperature of the machine room rises, and therefore the most appropriate working power can be selected to save electric energy.

Description

Energy-saving equipment of machine room air compressor

Technical Field

The utility model relates to an air compressor field specifically is an energy-saving equipment of computer lab air compressor machine.

Background

The air compressor is a basic product of industrial modernization, can provide air source power, is a main body in an electromechanical bleed air source device of core equipment of a pneumatic system, is a device for converting mechanical energy of a prime mover (usually an electric motor) into gas pressure energy, and is an air pressure generating device for compressing air.

Because a large amount of equipment need be dispelled the heat in the computer lab, consequently can set up the air compressor machine usually and make the inside air flow of computer lab. However, the refrigeration effect of the machine room is not only dependent on the air compressor but also dependent on the air conditioner, so that if the air conditioner has a poor effect, the air compressor can not be operated all the time to further refrigerate, and under the condition, the heat dissipation effect of the air compressor can not be improved even if the air compressor is operated all the time, so that a large amount of electric energy is consumed in vain.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an energy-saving equipment of computer lab air compressor machine can carry out on-off control to the air compressor machine under the good radiating condition of assurance computer lab to save the electric energy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses an energy-saving device of a machine room air compressor, which comprises a clock module for providing clock signals, a first temperature sensor for collecting the temperature of a machine room at the first time, a second temperature sensor for collecting the temperature of the machine room at the second time, a comparator for comparing the temperature values collected by the first temperature sensor and the second temperature sensor, a main controller for generating control signals according to comparison, and a frequency converter for controlling the working state of a motor in an air compressor;

the clock module, the converter with main control unit connects, first temperature sensor, second temperature sensor's output with the input of comparator is connected, the output of comparator with main control unit connects.

Further, the main controller is a single chip microcomputer, the energy-saving device further comprises an RS485 interface module, and the single chip microcomputer is connected with the frequency converter through the RS485 interface module.

Furthermore, the energy-saving equipment also comprises a photoelectric encoder used for collecting the rotating speed of the motor, and the photoelectric encoder is connected with the single chip microcomputer.

Furthermore, the energy-saving equipment also comprises a 4G module for receiving and transmitting mobile data, and the 4G module is connected with the singlechip through a serial port.

Furthermore, the energy-saving equipment also comprises a power acquisition module for acquiring the power of the motor, and the power acquisition module is connected with the single chip microcomputer.

Furthermore, the power acquisition module comprises a current sensor, a voltage sensor and an electric energy metering IC, the acquisition end of the current sensor and the acquisition end of the voltage sensor are connected to a loop where the motor is located, the output end of the current sensor and the output end of the voltage sensor are connected with the electric energy metering IC, and the data output end of the electric energy metering IC is connected with the single chip microcomputer.

Further, the model of the electric energy metering IC is CS 5460A.

The utility model has the advantages that: the utility model discloses an energy-saving equipment of computer lab air compressor machine acquires clock signal through the clock module, every period main control unit just can the converter reduce fan power, first temperature sensor and second temperature sensor gather ambient temperature before and after power reduction respectively, if the temperature of two time nodes does not change, then with the power of air compressor machine setting after reducing, then continue to reduce power, until the computer lab temperature rises, thereby can select a most suitable operating power, in order to save the electric energy. The utility model discloses can carry out automatic control to the air compressor machine effectively, save the electric energy under the radiating circumstances of assurance computer lab.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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.

As shown in fig. 1: the energy-saving equipment of the machine room air compressor comprises a clock module, a first temperature sensor, a second temperature sensor, a comparator, a main controller and a frequency converter, wherein the clock module is used for providing a clock signal; the clock module and the frequency converter are connected with the main controller, the output ends of the first temperature sensor and the second temperature sensor are connected with the input end of the comparator, and the output end of the comparator is connected with the main controller. A (c)

The specific implementation principle is as follows:

the main controller reduces the power of the air compressor by 2-5W every 2-5 minutes, the first temperature sensor collects the indoor temperature before the power is reduced, the second temperature sensor collects the indoor temperature after 2-5 minutes, and the first temperature sensor and the second temperature sensor can be the same temperature sensor; if the temperatures of the two time nodes are not different by 0.3 ℃ or above, the indoor temperature is more limited by an air conditioner, and the air compressor can operate in a power-reducing mode; and continuously reducing the power, and repeating the process until the temperature difference between the two time nodes is more than 0.8 ℃, and maintaining the current power to operate.

In this embodiment, the main controller is a single chip microcomputer, the energy-saving device further comprises an RS485 interface module, the single chip microcomputer is connected with the frequency converter through the RS485 interface module, and the single chip microcomputer is connected with the frequency converter through the RS485 interface, so that the power of the frequency converter and the power of the air compressor are connected.

In this embodiment, energy-saving equipment still includes the photoelectric encoder that is used for gathering motor speed, and photoelectric encoder and the general IO interface connection of singlechip verify the derated power of air compressor machine through the rotational speed of gathering the inside motor of air compressor machine.

In this embodiment, the energy saving device further includes a 4G module for receiving and transmitting the mobile data, and the 4G module is connected to the single chip microcomputer through a serial port.

In this embodiment, the energy saving device further includes a power acquisition module for acquiring the power of the motor, and the power acquisition module is connected with the single chip microcomputer; the power acquisition module comprises a current sensor, a voltage sensor and an electric energy metering IC, the acquisition ends of the current sensor and the voltage sensor are connected to a loop where the motor is located, the output ends of the current sensor and the voltage sensor are connected with the electric energy metering IC, the data output end of the electric energy metering IC is connected with the single chip microcomputer, and the model of the electric energy metering IC is CS 5460A. And a power acquisition module is arranged to verify the variation range of the operating power of the air compressor, so that the accurate control of the power consumption is realized.

To sum up, the utility model discloses an energy-saving equipment of computer lab air compressor machine acquires clock signal through clock module, and main control unit just can the converter reduce fan power at interval a period, and first temperature sensor and second temperature sensor gather ambient temperature before and after power reduction respectively, if the temperature of two time nodes does not change, then with the power of air compressor machine setting after reducing, then continue to reduce power, until the computer lab temperature rises to can select a most suitable operating power, in order to save the electric energy. The utility model discloses can carry out automatic control to the air compressor machine effectively, save the electric energy under the radiating circumstances of assurance computer lab.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an energy-conserving equipment of computer lab air compressor machine which characterized in that: the temperature control system comprises a clock module for providing a clock signal, a first temperature sensor for collecting the temperature of a machine room at the first time, a second temperature sensor for collecting the temperature of the machine room at the second time, a comparator for comparing temperature values collected by the first temperature sensor and the second temperature sensor, a main controller for generating a control signal according to the comparison solution, and a frequency converter for controlling the working state of a motor in the air compressor;

the clock module, the converter with main control unit connects, first temperature sensor, the output of second temperature sensor with the input of comparator is connected, the output of comparator with main control unit connects.

2. The energy-saving equipment of the machine room air compressor as claimed in claim 1, wherein: the main controller is a single chip microcomputer, the energy-saving equipment further comprises an RS485 interface module, and the single chip microcomputer is connected with the frequency converter through the RS485 interface module.

3. The energy-saving equipment of the machine room air compressor as claimed in claim 2, wherein: the energy-saving equipment further comprises a photoelectric encoder used for collecting the rotating speed of the motor, and the photoelectric encoder is connected with the single chip microcomputer.

4. The energy-saving equipment of the machine room air compressor as claimed in claim 2, wherein: the energy-saving equipment further comprises a 4G module for receiving and transmitting mobile data, and the 4G module is connected with the single chip microcomputer through a serial port.

5. The energy-saving equipment of the machine room air compressor as claimed in claim 2, wherein: the energy-saving equipment further comprises a power acquisition module for acquiring the power of the motor, and the power acquisition module is connected with the single chip microcomputer.

6. The energy-saving equipment of the machine room air compressor as claimed in claim 5, wherein: the power acquisition module comprises a current sensor, a voltage sensor and an electric energy metering IC, wherein the acquisition end of the current sensor and the acquisition end of the voltage sensor are connected to a loop where the motor is located, the output end of the current sensor and the output end of the voltage sensor are connected with the electric energy metering IC, and the data output end of the electric energy metering IC is connected with the single chip microcomputer.

7. The energy-saving equipment of the machine room air compressor as claimed in claim 6, wherein: the model of the electric energy metering IC is CS 5460A.