CN212541120U - Temperature control equipment for electronic cabinet - Google Patents
Temperature control equipment for electronic cabinet Download PDFInfo
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- CN212541120U CN212541120U CN202021541728.2U CN202021541728U CN212541120U CN 212541120 U CN212541120 U CN 212541120U CN 202021541728 U CN202021541728 U CN 202021541728U CN 212541120 U CN212541120 U CN 212541120U
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Abstract
The utility model discloses a temperature control equipment for electronic cabinet, including the touch-sensitive screen that is used for sending setting command and real-time display temperature, be used for measuring the sensor unit of rack internal environment temperature, be used for receiving the MCU unit of temperature setting command and ambient temperature parameter and control fan rotational speed, be used for realizing temperature regulation's fan unit, be used for converting the commercial power into DC voltage and be connected to the AC/DC unit of touch-sensitive screen, MCU unit and fan respectively. The equipment can set reasonable working temperature according to the requirements of different electronic equipment in the cabinet on the working environment temperature, and further realize accurate temperature control on the electronic cabinet through a speed regulation fan and a fuzzy control algorithm; the temperature measuring precision of the device is high, the rotating speed of the direct current fan can be adjusted in real time according to the temperature change in the electronic cabinet, the full-load operation of the fan is avoided, and good effects of reducing noise and saving energy are achieved.
Description
Technical Field
The invention belongs to the field of temperature control, and particularly relates to temperature control equipment for an electronic cabinet.
Background
Electronic cabinets are generally used for mounting electronic devices such as computers, servers, switches and the like, and are widely applied to military products and civil products. Each equipment in the electronic cabinet can generate a large amount of heat during operation, and the heat dissipation performance of the electronic cabinet is particularly important for ensuring the normal work of each equipment in the electronic cabinet.
At present, a natural heat dissipation mode and a forced air cooling heat dissipation mode are generally adopted in common electronic cabinets. The natural heat dissipation mode has low heat dissipation efficiency, can only install electronic equipment with low power, and has large use limitation. The forced air cooling mode generally adopts an alternating current fan to carry out air cooling, often produces very big operating noise when using, causes great noise pollution to operational environment.
Disclosure of Invention
The invention aims to provide temperature control equipment for an electronic cabinet, which is used for realizing accurate control of the internal temperature of the cabinet.
The technical solution for realizing the purpose of the invention is as follows:
a temperature control device for an electronic cabinet comprises a touch screen, a sensor unit, an MCU unit, a fan unit and an AC/DC unit, wherein the touch screen is used for sending a setting instruction and displaying the temperature in real time, the sensor unit is used for measuring the ambient temperature in the cabinet, the MCU unit is used for receiving the temperature setting instruction and ambient temperature parameters and controlling the rotating speed of the fan, the fan unit is used for realizing temperature regulation, and the AC/DC unit is used for converting commercial power into direct-current voltage and is respectively connected to the touch screen, the MCU unit and the fan.
Compared with the prior art, the invention has the following remarkable advantages:
the utility model discloses a temperature control equipment for electronic cabinet can set up reasonable operating temperature according to the demand of different electronic equipment to operational environment temperature in the rack, and then realizes the accurate temperature control to electronic cabinet through the speed governing fan. All instruction settings of the equipment are completed through the touch screen, and the control interface is clear and attractive. The temperature measurement precision of the equipment is high, the rotating speed of the direct current fan can be adjusted in real time according to the temperature change in the electronic cabinet, the full-load operation of the fan is avoided, and good effects of reducing noise and saving energy are achieved.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a schematic diagram of the circuit connection of the present invention.
1. AC/DC unit, 2 MCU unit, 3 touch screen, 4 sensor unit, 5 fan unit
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The temperature control equipment for the electronic cabinet comprises an AC/DC unit 1, an MCU unit 2, a touch screen 3, a sensor unit 4 and a fan unit 5.
The AC/DC unit is used for converting mains supply into 3.3V and 12V, wherein the 3.3V direct current voltage is connected to the MCU unit, the touch screen and the sensor unit, and the 12V voltage is connected to the fan unit; the touch screen is connected with the MCU through a serial port; the sensor unit is used for measuring real-time temperature parameters in the electronic cabinet and feeding back the real-time temperature parameters to the MCU; the MCU unit is used for receiving a setting instruction sent by the touch screen and the temperature parameter fed back by the sensor unit and then generating a control signal according to the setting parameter and sending the control signal to the fan unit; and the fan unit is used for adjusting the rotation speed change after receiving the control signal so as to complete the temperature control of the electronic cabinet.
The sensor unit comprises a first sensor and a second sensor, the models of the first sensor and the second sensor are DS18B20, pins 3 of the first sensor and the second sensor are connected with pins VO + of a first power supply module HLK-PM03, pins 1 of the first sensor and the second sensor are connected with pins VO-of the first power supply module HLK-PM03 in a common ground mode, pins 2 of the first sensor are connected with pins 35 of a single chip microcomputer, and pins 2 of the second sensor are connected with pins 36 of the single chip microcomputer.
The AC/DC unit consists of a standard 220V three-jaw plug, a first power module HLK-PM03 and a second power module HLK-5M12, wherein the first power module HLK-PM03 has 4 pins, pins AC1 and AC2 are respectively connected with a pin L, N of the 220V plug, a pin VO + is simultaneously connected with a pin 131 of the singlechip, pins 1-3 of the touch screen and a pin 3 of the first sensor (1, 2), and the pin VO-is simultaneously connected with a pin 130 of the singlechip, pins 8-10 of the touch screen and a pin 1 of the first sensor and the second sensor; the second power module HLK-5M12 has 4 pins, wherein the pins AC1 and AC2 are respectively connected to a pin L, N of a 220V three-prong plug, a pin VO + is connected to a pin 1 of the first fan and a pin 1 of the second fan, a pin VO-is connected to a pin 4 of the first fan and the second fan, and a pin VO-of the second power module HLK-5M12 is commonly connected to a pin VO-of the first power module HLK-PM 03.
An ARM single chip microcomputer in the MCU unit selects STM32F103ZET6, the single chip microcomputer is provided with 144 pins, wherein the pins 23 and 24 are connected with an 8MHz crystal oscillator, the crystal oscillator is grounded through two 20PF ceramic chip capacitors C1 and C2, and the single chip microcomputer is used for receiving an instruction sent by a touch screen and temperature parameters in a cabinet fed back by sensors (1 and 2) and generating a fan control signal.
The model of the touch screen is DMT80480C070_02WT, the touch screen is provided with 10 pins, wherein pins 5, 6 and 7 are respectively connected with pins 101, 102 and 104 of the singlechip, the touch screen is provided with temperature parameter setting selection frames, and required temperature setting instructions can be sent to the singlechip through the serial ports of the touch screen through the setting selection frames to complete temperature parameter setting. In addition, the touch screen can display the ambient temperature in the cabinet in real time.
The fan unit comprises a first fan and a second fan, the models of the first fan and the second fan are TD1212DB-FAL or DMT80480C070_02WT, a pin 1 of the first fan and the second fan is connected with a pin VO + of a second power supply module HLK-5M12, a pin 4 of the first fan and the second fan is connected with a pin VO-of the second power supply module HLK-5M12 in a common mode, pins 2 and 3 of the first fan are respectively connected with pins 46 and 96 of a single chip computer, and pins 2 and 3 of the second fan are respectively connected with pins 47 and 97 of the single chip computer.
When the electronic cabinet temperature control device is used, the 220V plug is connected with a mains supply, the required working temperature of each part in the electronic cabinet is set through a clear and attractive touch screen interface according to the requirements of different electronic equipment in the electronic cabinet on the working environment temperature, and the temperature control equipment starts to work after a start button on the touch screen is pressed. Then a single chip microcomputer in the temperature control equipment reads real-time temperature parameters and temperature change rates in the cabinet, then reasonable working rotating speed of the fan is obtained through calculation of a fuzzy control algorithm, and the fan is controlled to operate in a reasonable rotating speed interval. The working mode not only realizes the rapid cooling of all parts in the cabinet, but also avoids the full-load operation of the fan, and achieves the good effects of reducing noise and saving energy. The utility model discloses a sensor precision is higher, the operation of singlechip is fast, the speed governing scope of fan is wide in range, can realize the accurate control of rack inside operating temperature.
Claims (9)
1. The temperature control equipment for the electronic cabinet is characterized by comprising a touch screen, a sensor unit, an MCU unit, a fan unit and an AC/DC unit, wherein the touch screen is used for sending a setting instruction and displaying temperature in real time, the sensor unit is used for measuring the ambient temperature in the cabinet, the MCU unit is used for receiving the temperature setting instruction and ambient temperature parameters and controlling the rotating speed of the fan, the fan unit is used for realizing temperature regulation, and the AC/DC unit is used for converting commercial power into direct-current voltage and is respectively connected to the touch screen, the MCU unit and the fan.
2. The temperature control apparatus for an electronics cabinet of claim 1, wherein the AC/DC unit includes a three-prong plug, a first power module HLK-PM03, and a second power module HLK-5M 12;
the first power supply module HLK-PM03 has 4 pins, wherein the pins AC1 and AC2 are respectively connected with a pin L, N of a 220V plug, the pin VO + is simultaneously connected with a pin 131 of the singlechip, pins 1-3 of the touch screen and the sensor unit, and the pin VO-is simultaneously connected with a pin 130 of the singlechip, pins 8-10 of the touch screen and the sensor unit; the second power module HLK-5M12 has 4 pins, wherein pins AC1 and AC2 are connected to pin L, N of the 220V three-prong plug, pin VO +, pin VO-are connected to the fan unit, and pin VO-of the second power module HLK-5M12 is connected to pin VO-of the first power module HLK-PM03 in common.
3. The temperature control apparatus for electronic cabinet of claim 1, wherein the ARM one-chip microcomputer pins 23 and 24 in the MCU unit are connected to a crystal oscillator, and the crystal oscillator is grounded through two ceramic chip capacitors C1 and C2.
4. The temperature control apparatus for electronic cabinets of claim 1, wherein the touch screen pins 5, 6, 7 are connected to the pins 101, 102, 104 of the chip set, respectively.
5. The temperature control apparatus for an electronics cabinet of claim 1, wherein the sensor unit comprises a first sensor and a second sensor;
the pin 3 of the first sensor and the pin 3 of the second sensor are connected with the pin VO + of the HLK-PM03, the pin 1 of the first sensor and the pin 1 of the second sensor are connected with the pin VO-of the HLK-PM03 in a common mode, the pin 2 of the first sensor is connected with the pin 35 of the single chip microcomputer, and the pin 2 of the second sensor is connected with the pin 36 of the single chip microcomputer.
6. The temperature control apparatus for an electronic cabinet according to claim 1, wherein the fan unit includes a first fan and a second fan;
and the pin 1 of the first fan and the pin 1 of the second fan are connected with the pin VO + of the HLK-5M12, the pin 4 of the first fan and the pin 4 of the second fan are connected with the pin VO-of the HLK-5M12 in common, the pins 2 and 3 of the first fan are respectively connected with the pins 46 and 96 of the single chip microcomputer, and the pins 2 and 3 of the second fan are respectively connected with the pins 47 and 97 of the single chip microcomputer.
7. The temperature control apparatus for electronic cabinets of claim 1, wherein the ARM single chip microcomputer model in the MCU unit is STM32F103ZET 6.
8. The temperature control apparatus for an electronic cabinet as claimed in claim 1, wherein the blower is DMT80480C070_02 WT.
9. The temperature control apparatus for an electronic cabinet according to claim 1, wherein the fan is TD1212DB-FAL in model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541728.2U CN212541120U (en) | 2020-07-29 | 2020-07-29 | Temperature control equipment for electronic cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541728.2U CN212541120U (en) | 2020-07-29 | 2020-07-29 | Temperature control equipment for electronic cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212541120U true CN212541120U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021541728.2U Active CN212541120U (en) | 2020-07-29 | 2020-07-29 | Temperature control equipment for electronic cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212541120U (en) |
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2020
- 2020-07-29 CN CN202021541728.2U patent/CN212541120U/en active Active
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Address after: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Patentee after: The 716th Research Institute of China Shipbuilding Corporation Address before: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Patentee before: 716TH RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. |