CN216518786U - Multi-channel general temperature and fan control monitoring module - Google Patents
Multi-channel general temperature and fan control monitoring module Download PDFInfo
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- CN216518786U CN216518786U CN202123313011.XU CN202123313011U CN216518786U CN 216518786 U CN216518786 U CN 216518786U CN 202123313011 U CN202123313011 U CN 202123313011U CN 216518786 U CN216518786 U CN 216518786U
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Abstract
The utility model discloses a multi-channel general temperature and fan control monitoring module which comprises a main control MCU (microprogrammed control unit), a temperature sensor, a thyristor and a speed measuring fan, wherein the main control MCU is connected with an 8-out-of-8 electronic switch and an address dial switch, the 8-out-of-8 electronic switch is connected with the speed measuring fan, and can be used for simultaneously collecting rotating speed signals transmitted by 8 paths of speed measuring fans; the master control MCU is connected with a temperature sensor interface module, and the temperature sensor interface module is connected with a plurality of temperature sensors; the master control MCU is connected with the PWM voltage output circuit; the master control MCU is connected with an RS485 module, and the RS485 module can be connected with the outside and communicated with the master control MUC. The utility model has the technical effects and advantages that: the function integration level is high; the measurement data is accurate, the control is convenient, and the data can be read in real time; the applicability is strong.
Description
Technical Field
The utility model relates to the technical field of fan circuits, in particular to a multi-channel general temperature and fan control monitoring module.
Background
The current situation and the defects are as follows:
1. the existing fan circuit part has low function integration, only comprises individual functions, and the existing product only comprises a function of measuring temperature and controlling the rotating speed of the fan and a function of measuring speed, does not have other functions and has low function integration level.
2. The data measurement is not accurate, and the control capability is poor.
In products in the current market, the measured data are not accurate, the temperature of the current equipment and the accurate rotating speed of a fan cannot be accurately grasped, the data are not updated timely, and the deviation is large;
the control is troublesome, and most of devices are extremely complicated to control manually, and can not be simply controlled by software like the product.
3. The applicability is not strong.
The fan temperature measuring device cannot be applied to most fans, and part of products are special in temperature measuring mode and inconvenient to maintain and replace.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a multi-channel general temperature and fan control monitoring module.
In order to achieve the purpose, the utility model provides the following technical scheme:
a multi-channel general temperature and fan control monitoring module comprises a main control MCU, a temperature sensor, a thyristor and a speed measuring fan, wherein the main control MCU is connected with an 8-out-of-8 electronic switch and an address dial switch, the 8-out-of-8 electronic switch is connected with the speed measuring fan, and can simultaneously collect rotating speed signals transmitted by 8 speed measuring fans; the master control MCU is connected with a temperature sensor interface module, and the temperature sensor interface module is connected with a plurality of temperature sensors; the master control MCU is connected with the PWM voltage output circuit; the master control MCU is connected with an RS485 module, and the RS485 module can be connected with the outside and communicated with the master control MUC.
The master control MCU adopts an STC12C5616AD singlechip, and has 8-path high-speed A/D sampling function, 4-path PWM control pins and two paths of INT pins; the 8-path high-speed A/D sampling is connected with the temperature sensor interface module, and the resistance value of the temperature sensor interface module is read, so that the corresponding temperature is displayed after the chip processing; the PWM control pin outputs different pulse voltages to the fan control module, and the fan control module receives different signals to control the rotating speed and the on-off state of the fan; the two paths of INT pins are used for receiving the rotating speed signal output by the speed measuring fan.
The main control MCU is also connected with 3 LED lamps, the first LED lamp is a communication indicator lamp and flickers when external communication is connected, the second LED lamp is a sensor indicator lamp and displays the current state of a sensor, the read temperature is in a breathing flickering mode when the temperature is normal, and the sensor flickers quickly when the temperature is too high; the third path is a power indicator lamp, and the MUC chip power supply is normally on.
The 8-out-of-one electronic switch: 8 way input foot, 1 way output foot, 1 way reverse output foot, three routes control foot, can collect 8 way speed measurement fan transmission incoming speed signal simultaneously, connect main control MCU with speed signal transmission for main control MCU all the way, 3 way control feet select to export main control MCU with wherein all the way, 4 way speed measurement fan connectors have only been designed to this equipment, so 8 select an electronic switch, have also only used 4 ways to receive, 1 way transmission.
The address dial switch: and the 4-bit dial switch is connected with the 4 pins of the master control MCU and used for changing the communication address of the master control MCU.
The utility model has the technical effects and advantages that:
(1) the function integration level is high.
The product integrates most of the practical functions of the temperature and speed measuring fan control panel, such as temperature measurement, rotating speed measurement, temperature control fan feedback, fan rotating speed program control and temperature control value change; the control mode is simple, and measured data is accurate, is applicable to the fan of the overwhelming majority feedback rotational speed in the market.
(2) The measuring data is accurate, the control is convenient, and the data can be read in real time.
The accuracy of all measured data reaches 99%, and the data is transmitted in time.
The switch and the rotating speed of the fan can be easily controlled through software, the temperature and rotating speed curve value can be changed, and the rotating speed of the fan corresponding to the temperature can be changed.
Temperature and rotating speed data can be read in real time at the main control end through 485.
(3) High applicability
The fan that is applicable to the vast majority of feedback rotational speeds in market, temperature sensing device use NTC resistance, change simply, easy maintenance uses the 485 communication, and is succinct practical.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a circuit diagram of a master MCU;
FIG. 3 is a circuit diagram of an RS485 module;
FIG. 4 is a PWM voltage output module and a speed feedback module;
FIG. 5 is a circuit diagram of a temperature sensor interface module;
fig. 6 is a circuit diagram of an 8-out-of-8 electronic switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 invention.
As shown in fig. 1, a multi-channel general temperature and fan control monitoring module comprises a main control MCU, a temperature sensor, a thyristor and a speed measuring fan, wherein the main control MCU is connected with an 8-out electronic switch and an address dial switch, the 8-out electronic switch is connected with the speed measuring fan, and can simultaneously collect rotating speed signals transmitted by 8-channel speed measuring fans; the master control MCU is connected with a temperature sensor interface module, and the temperature sensor interface module is connected with a plurality of temperature sensors; the master control MCU is connected with the PWM voltage output circuit; the master control MCU is connected with an RS485 module, and the RS485 module can be connected with the outside and communicated with the master control MUC.
Master MCU as shown in FIG. 2
The main control MCU adopts an STC12C5616AD singlechip, and has 8 high-speed A/D sampling functions, 4 PWM control pins and two INT pins.
And 8-path high-speed A/D sampling is connected with the temperature sensor interface module, and the resistance value of the temperature sensor interface module is read, so that the corresponding temperature is displayed after the chip processing.
The PWM control pin outputs different pulse signals to the fan control module, and the fan control module receives different signals so as to control the rotating speed and the switching state of the fan.
And two paths of INT pins receive the rotating speed signals output by the speed measuring fan.
The 3-path LED lamp is a communication indicator lamp in the first path and flickers when being connected with external communication, the second-path sensor indicator lamp displays the current state of the sensor, the breathing flicker mode is adopted when the temperature is read at normal temperature, and the flicker mode is fast when the temperature is too high. The third path is a power indicator lamp, and the MUC chip is powered normally and is always on.
RS485 module as shown in 3
The RS485 module is connected with the outside and is communicated with the MUC, real-time data is read and displayed on a computer end, and a command can be transmitted to the MCU through 485 software so as to control the fan.
After the connecting device communicates with the main control terminal, the state of the current device can be read by using debugging software.
For example, the temperature read by the current 8-way temperature sensor, the rotating speed of the 4-way fan and the like.
The PWM voltage output module and the rotation speed feedback module shown in FIG. 4
The PWM pulse signal output by the main control MCU controls the fan speed and the switch state, and different PWM voltage pulse signals are used for controlling the Q2 to output different voltages, thereby achieving the purpose of controlling the fan speed.
The third pin of the fan interface is used for receiving the transmission of a fan rotating speed signal and then isolating the fan rotating speed signal through an optical coupler, the signal is transmitted to an Interrupt (INT) pin of the MCU, the MCU reads data, the data are transmitted to the main control end through the 485 module, and the specific rotating speed of the current fan can be displayed.
That is, after the MUC chip module receives the temperature signals collected by the multiple temperature sensor modules, different voltage pulse signals are output to the fan control module according to the corresponding temperature through calculation, and the fan control module can control the rotating speed and the switching state of the fan after receiving the signals. Meanwhile, the third pin of the fan can output a current rotating speed signal, and the current rotating speed signal is transmitted to the MCU chip control module through the optocoupler and used for monitoring the rotating speed of the fan.
Temperature sensor interface module as shown in fig. 5
The interface connection NTC resistance, the resistance of NTC resistance changes along with the temperature change, makes the AD sampling foot signal of connecting the master control MCU chip in the circuit change, and MCU reads the signal change back, judges NTC resistance according to the voltage change, feeds back to PWM signal control module again, then changes PWM control module's pulse signal and adjusts the rotational speed and the on-off state of fan.
That is, after receiving external temperature signals, the multi-path temperature sensor transmits the external temperature signals to the MUC, then the MCU module controls the rotating speed of the fan according to the temperature,
the one-out-of-8 electronic switch shown in fig. 6: 8 way input foot, 1 way output foot, 1 way reverse output foot, three routes control foot, can collect 8 ways rotational speed signal that speed measuring fan transmission came in simultaneously, connect main control MCU with rotational speed signal transmission to main control MCU all the way, 3 way control feet select wherein to export main control MCU all the way, 4 way speed measuring fan connectors have only been designed to this equipment, so 8 select an electronic switch, have also only used 4 ways to receive, 1 way transmission.
The address dial switch: and the 4-bit dial switch is connected with the 4 pins of the master control MCU and used for changing the communication address of the master control MCU.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a general temperature of multichannel and fan control monitoring module which characterized in that: the system comprises a master control MCU, a temperature sensor, a thyristor and a speed measuring fan, wherein the master control MCU is connected with an 8-out-of-8 electronic switch and an address dial switch, the 8-out-of-8 electronic switch is connected with the speed measuring fan, and can simultaneously collect rotating speed signals transmitted by 8-path speed measuring fans; the master control MCU is connected with a temperature sensor interface module, and the temperature sensor interface module is connected with a plurality of temperature sensors; the master control MCU is connected with the PWM voltage output circuit; the master control MCU is connected with an RS485 module, and the RS485 module can be connected with the outside and communicated with the master control MUC.
2. The multi-channel general temperature and fan control monitor module as claimed in claim 1, wherein: the master control MCU adopts an STC12C5616AD single chip microcomputer, and has 8-path high-speed A/D sampling functions, 4-path PWM control pins and two-path INT pins; the 8-path high-speed A/D sampling is connected with the temperature sensor interface module, and the resistance value of the temperature sensor interface module is read, so that the corresponding temperature is displayed after the chip processing; the PWM control pin outputs different pulse voltage signals to the fan control module, and the fan control module receives the different signals to control the rotating speed and the on-off state of the fan; the two paths of INT pins are used for receiving the rotating speed signal output by the speed measuring fan.
3. The multi-channel general temperature and fan control monitoring module of claim 1, wherein: the main control MCU is also connected with 3 paths of LED lamps, the first path is a communication indicator lamp and flashes when being connected with external communication, the second path is a sensor indicator lamp and displays the current state of a sensor, the read temperature is in a breathing flashing mode when being at normal temperature, and the sensor flashes quickly when being at overhigh temperature; the third path is a power indicator lamp, and the main control MUC power supply is normally on.
4. The multi-channel general temperature and fan control monitoring module of claim 1, wherein: the 8-out-of-one electronic switch: 8 way input foot, 1 way output foot, 1 way reverse output foot, three routes control foot, can collect 8 way speed measurement fan transmission incoming speed signal simultaneously, connect main control MCU with speed signal transmission for main control MCU all the way, 3 way control feet select to export main control MCU with wherein all the way, 4 way speed measurement fan connectors have only been designed to this equipment, so 8 select an electronic switch, have also only used 4 ways to receive, 1 way transmission.
5. The multi-channel general temperature and fan control monitoring module of claim 1, wherein: the address dial switch: and the 4-bit dial switch is connected with the 4 pins of the main control MCU and used for changing the communication address of the main control MCU.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123313011.XU CN216518786U (en) | 2021-12-27 | 2021-12-27 | Multi-channel general temperature and fan control monitoring module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123313011.XU CN216518786U (en) | 2021-12-27 | 2021-12-27 | Multi-channel general temperature and fan control monitoring module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661362A (en) * | 2023-07-31 | 2023-08-29 | 快克智能装备股份有限公司 | Self-adaptive control system and control method for multi-channel ion fan |
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2021
- 2021-12-27 CN CN202123313011.XU patent/CN216518786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661362A (en) * | 2023-07-31 | 2023-08-29 | 快克智能装备股份有限公司 | Self-adaptive control system and control method for multi-channel ion fan |
| CN116661362B (en) * | 2023-07-31 | 2023-10-03 | 快克智能装备股份有限公司 | Self-adaptive control system and control method for multi-channel ion fan |
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