CN204904112U - Device based on multichannel temperature data collection and fan control - Google Patents
Device based on multichannel temperature data collection and fan control Download PDFInfo
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- CN204904112U CN204904112U CN201520594373.6U CN201520594373U CN204904112U CN 204904112 U CN204904112 U CN 204904112U CN 201520594373 U CN201520594373 U CN 201520594373U CN 204904112 U CN204904112 U CN 204904112U
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Abstract
The utility model provides a device based on multichannel temperature data collection and fan control, including at least one temperature sensor and at least one fan, at least one temperature sensor is through single data bus and comparator data connection, the comparator passes through fan speed controller and at least one fan control connection. The inside temperature schwellenwert T1 that has predetermine of comparator. The utility model discloses structural design is simple, and is with low costs, temperature sensor can support arbitrary extension can realize a data bus multiple spot temperature data collection, especially adapted space class temperature monitoring field under the circumstances that the driving source driving force satisfies, fan governor has two kinds of control models, supports most mainstream fans, can adjust the rotational speed of each fan automatically in real time to the running state of each fan can monitor, the low power dissipation, price / performance ratio and commonality are strong, consequently have fine practical spreading value.
Description
Technical field
The utility model relates to the temperature acquisition in industrial environment control technology field and cooling controls, and particularly, relates to a kind of device based on multiplex temperature collection and fan control.
Background technology
Temperature acquisition monitoring and intelligent cooling control are that modern industry controls environment safety and the stable main method of electronic equipment.Wherein due to the mildness of fan for cooling and the flow feature of space gases, add advantage cheap and easy for installation, now become cooling device the most common.But when in forefan application, ubiquity shortcoming, according to the change timely adjustment fan wind-force size of temperature or can not the change of response environment flexibly, power resource can not be wasted.
Increasing occasion wishes that the rotating speed of fan controls can have flexible accurate temperature as control foundation, and carry out automatic adjusting rotary speed, under the temperature environment conditions that maintenance one is suitable, practice every conceivable frugality electric energy.
Do not find explanation or the report of same the utility model similar techniques at present, not yet collect similar data both at home and abroad yet.
Utility model content
The utility model, for above shortcomings in prior art, provides a kind of device based on multiplex temperature collection and fan control.This application patent is exactly the realization of a kind of multiplex temperature collection and fan control technology.Multiplex temperature collection adopts the unibus system of easily expansion, can support a unlimited temperature sensor carry (actual quantity is relevant with port driver ability) in theory; Fan control can be supported linearly, the fan of PWM two kinds of control models, can control fan flexibly, do not need human intervention completely by the temperature of current collection.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of device based on multiplex temperature collection and fan control, comprise at least one temperature sensor and at least one fan, at least one temperature sensor is by forms data bus and comparer data cube computation, and described comparer is connected with at least one fan control by fan rotary speed controller.
Preferably, described comparer internal preset has temperature minimum T1;
-when the real time temperature T of temperature sensor collection is less than T1, export binary signal " 0 "; Described fan rotary speed controller does not start;
-when the real time temperature T of temperature sensor collection is more than or equal to T1, export binary signal " 1 "; Described fan rotary speed controller starts.
Preferably, described fan rotary speed controller adopt following any one or appoint multiple module:
-linear voltage control module: control rotation speed of the fan by exporting different control voltage or by regulating power supply ON time to control rotation speed of the fan, adopt any one structure following:
Comprise DC/DC power conversion chip, described DC/DC power conversion chip is connected with the Electric Machine Control of fan;
Comprise interconnective mos to manage and DAC converter, described DAC converter is connected with the Electric Machine Control of fan;
Comprise mos pipe, described mos pipe is connected with the Energy control of fan;
-PWM control module: by exporting the pwm pulse Waveform Control rotation speed of the fan of different duty, adopts any one structure following:
Comprise frequency converter, described frequency converter is connected with the Energy control of fan;
Comprise frequency converter and switching power source chip, described frequency converter is connected with the Energy control of fan by switching power source chip.
Preferably, the output terminal of described fan rotary speed controller is provided with the distributed output node interface that at least one connects for fan.
Preferably, described temperature sensor is powered by externally fed circuit or is powered by forms data bus parasitic.
Preferably, also comprise controling parameters register and/or running status register, described controling parameters register and fan rotary speed controller data cube computation, described running status register and fan electromotor data cube computation.
Preferably, also comprise terminal presentation facility, described temperature sensor, controling parameters register and running status register respectively with terminal presentation facility data cube computation.
Preferably, described temperature sensor is connected with terminal presentation facility respectively by IPMI interface with fan.
Preferably, also comprise timer, described timer is connected with temperature sensor.
Preferably, also comprise storage unit, described storage unit is connected with temperature sensor data.
Principle of work of the present utility model is:
The utility model is managed by the rotating speed of fan rotary speed controller to fan, forms data bus interface (a kind of GPIO (universal input/output) mouth of enhancement mode can be adopted) is provided to temperature sensor, the temperature data collected by temperature sensor exports comparer to, and then export analog control signal by relatively rear result, reach the object that rotation speed of the fan is controlled.Utilize the switching of cross bar switch simultaneously, by arranging IPIM interface, realizing temperature sensor and being connected with exterior terminal display device with fan.
Temperature sensor adopts model to be the temperature sensor of DS18B20 or DS18S20, utilizes its inner string global uniqueness, can support that unlimited many DS18 Series Temperature Transmitters carries are in forms data bus.This device, when initialization, obtains the string number of each temperature sensor, and when obtaining the temperature that each temperature sensor gathers, output string number mates sensor of interest respectively and reads its temperature value.Temperature sensor can be operated in externally fed mode and the parasitic power supply mode two kinds of single line.If under temperature sensor is operated in the parasitic powering mode of single line, then data bus only needs one, it should be noted that this line will remain strong pull-up state when temperature sensor is in temperature transition and setting value replicate run.
When strong pull-up state, forms data bus driver 1O interface can be set high, bus directly be connect high to power supply with the conducting of fan rotary speed controller gauge tap pipe simultaneously.
The cooling of fan adopts two kinds of patterns: controlled by linear voltage or controlled by PWM.
Linear voltage controls to refer to the voltage by controlling fan or power switch time adjusting rotary speed.Control voltage is that the positive and negative both end voltage of control fan is poor, useful DC/DC power conversion chip directly exports different voltage to control rotation speed of the fan, also the amplification characteristic of this pipe that rubs can be utilized, corresponding magnitude of voltage is exported by DAC converter, the partial pressure value changing fan controls rotation speed of the fan, and the mode of this control voltage is applicable to powerful fan; Controlling the power switch time is utilize the switching characteristic of this pipe that rubs whether to control the conducting of power supply, and by regulating ON time to control rotation speed of the fan, this method is applicable to miniwatt fan.
PWM controls to be then that be common in four-wire system fan, the method working stability, speed feedback is accurate by exporting the pwm pulse waveform of different duty to fan internal controller.And each controller all has fan to run failure and overspeed detection, avoids system to occur the abnormal phenomenon of work.
MAX6620 model fan Wind-speed controller can be adopted to control rotation speed of the fan to realize DAC (linear voltage control) mode, MAX31790 model fan Wind-speed controller can be adopted to control rotation speed of the fan to realize PWM mode, and regulate the output voltage of MC33063 (switching power source chip) to regulate the rotating speed of fan by multiplexing PWM, almost can support current all cooling class fans.
The current temperature of each temperature sensor node and the running status of fan are uploaded to exterior terminal display device by IPMI (platform management interface), with graphic software platform, monitor and operate this device.
The utility model exports the temperature data that multiple temperature sensor gathers to comparer, and compares with the temperature threshold preset, and exports corresponding analog control signal to fan rotary speed controller according to relatively rear result, and then controls the rotating speed of fan.
A kind of device based on multiplex temperature collection and fan control that the utility model provides, multiplex temperature collection is by the infinite expanding of forms data bus type temperature sensor, namely single line is only needed to get final product multiple temperature sensor in connection space, by knowing the inner unique string number of temperature sensor, periodically correctly mate sensor of interest, and accurately can read real time temperature.By multiplex mode, two kinds of control modes are supported to the control of fan, namely adopts linear voltage control module and PWM control module.This device, by gathering the next adjustment foundation as rotation speed of the fan of this plate temperature, also can extend out into multiple distributing node, by exterior terminal display device unified monitoring and operation by IPMI interface.
Compared with prior art, the utility model has following beneficial effect:
1) this apparatus structure simplicity of design, cost is low;
2) temperature sensor can support arbitrary extension when drive source driving force meets, and can realize a data bus multi-point Temperature Collection, is very applicable to spatial class monitoring temperature field;
3) fan governor has two kinds of control models, supports most main flow fan, automatically can regulate the rotating speed of each fan in real time, and can monitor the running status of each fan;
4) this device power consumption is low, cost performance and highly versatile, therefore has good practical reference value.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the utility model structural representation.
Embodiment
Below embodiment of the present utility model is elaborated: the present embodiment is implemented under premised on technical solutions of the utility model, give detailed embodiment and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Embodiment
Present embodiments provide a kind of device based on multiplex temperature collection and fan control, comprise at least one temperature sensor and at least one fan, at least one temperature sensor is by forms data bus and comparer data cube computation, and described comparer is connected with at least one fan control by fan rotary speed controller.
Further, described comparer internal preset has temperature minimum T1;
-when the real time temperature T of temperature sensor collection is less than T1, export binary signal " 0 "; Described fan rotary speed controller does not start;
-when the real time temperature T of temperature sensor collection is more than or equal to T1, export binary signal " 1 "; Described fan rotary speed controller starts.
Further, described fan rotary speed controller adopt following any one or appoint multiple module:
-linear voltage control module: control rotation speed of the fan by exporting different control voltage or by regulating power supply ON time to control rotation speed of the fan, adopt any one structure following:
Comprise DC/DC power conversion chip, described DC/DC power conversion chip is connected with the Electric Machine Control of fan;
Comprise interconnective mos to manage and DAC converter, described DAC converter is connected with the Electric Machine Control of fan;
Comprise mos pipe, described mos pipe is connected with the Energy control of fan;
-PWM control module: by exporting the pwm pulse Waveform Control rotation speed of the fan of different duty, adopts any one structure following:
Comprise frequency converter, described frequency converter is connected with the Energy control of fan;
Comprise frequency converter and switching power source chip, described frequency converter is connected with the Energy control of fan by switching power source chip.
Further, the output terminal of described fan rotary speed controller is provided with the distributed output node interface that at least one connects for fan.
Further, described temperature sensor is powered by externally fed circuit or is powered by forms data bus parasitic.
Further, also comprise controling parameters register and/or running status register, described controling parameters register and fan rotary speed controller data cube computation, described running status register and fan electromotor data cube computation.
Further, also comprise terminal presentation facility, described temperature sensor, controling parameters register and running status register respectively with terminal presentation facility data cube computation.
Further, described temperature sensor is connected with terminal presentation facility respectively by IPMI interface with fan.
Further, also comprise timer, described timer is connected with temperature sensor.
Further, also comprise storage unit, described storage unit is connected with temperature sensor data.
Below in conjunction with accompanying drawing, the present embodiment is further described.
As shown in Figure 1, after this device powers on, obtain the respective string number of each temperature sensor, and string number is recorded in the internal memory of device, initial configuration is carried out to the fan rotary speed controller of control module, makes fan work in initial conditions.Then under the control of a timer, the temperature value gathering each temperature sensor is removed in timing, and makes temperature for reference with this, regulates the rotating speed of each fan.While reaching cooling, saves energy to greatest extent.
The single line parasite power working method of temperature sensor, when needs " strong pull-up " state, forms data bus driver 1O interface can be set high, use the conducting of fan rotary speed controller gauge tap pipe (mos pipe) bus directly to be connect high to power supply simultaneously.
Fan control chooses corresponding control program by hardware material list choosing weldering.Within certain interval time, assignment is carried out to the corresponding register of MAX6620 or MAX31790 fan rotary speed controller during fan control and can change controling parameters, reach the object controlling rotating speed, about sampling point is carried out to running status register, fan running status can be known in real time.
The utility model by arranging the rotating speed that multiple distributed nodes independently controls each fan on fan rotary speed controller, also can be managed concentratedly by outside display terminal Transfer Parameters.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. the device based on multiplex temperature collection and fan control, it is characterized in that, comprise at least one temperature sensor and at least one fan, at least one temperature sensor is by forms data bus and comparer data cube computation, and described comparer is connected with at least one fan control by fan rotary speed controller.
2. the device based on multiplex temperature collection and fan control according to claim 1, it is characterized in that, described comparer internal preset has temperature minimum T1;
-when the real time temperature T of temperature sensor collection is less than T1, export binary signal " 0 ", described fan rotary speed controller does not start;
-when the real time temperature T of temperature sensor collection is more than or equal to T1, export binary signal " 1 ", described fan rotary speed controller starts.
3. the device based on multiplex temperature collection and fan control according to claim 1 and 2, is characterized in that, described fan rotary speed controller adopt following any one or appoint multiple module:
Linear voltage control module: control rotation speed of the fan by exporting different control voltage or by regulating power supply ON time to control rotation speed of the fan, adopt any one structure following:
-comprising DC/DC power conversion chip, described DC/DC power conversion chip is connected with the Electric Machine Control of fan;
-comprising interconnective mos to manage and DAC converter, described DAC converter is connected with the Electric Machine Control of fan;
-comprising mos pipe, described mos pipe is connected with the Energy control of fan;
PWM control module: by exporting the pwm pulse Waveform Control rotation speed of the fan of different duty, adopts any one structure following:
-comprising frequency converter, described frequency converter is connected with the Energy control of fan;
-comprising frequency converter and switching power source chip, described frequency converter is connected with the Energy control of fan by switching power source chip.
4. the device based on multiplex temperature collection and fan control according to claim 3, is characterized in that, the output terminal of described fan rotary speed controller is provided with at least one distributed output node interface connected for fan.
5. the device based on multiplex temperature collection and fan control according to claim 1, it is characterized in that, described temperature sensor is powered by externally fed circuit or is powered by forms data bus parasitic.
6. the device based on multiplex temperature collection and fan control according to claim 1, it is characterized in that, also comprise controling parameters register and/or running status register, described controling parameters register and fan rotary speed controller data cube computation, described running status register is connected with the motor data of fan.
7. the device based on multiplex temperature collection and fan control according to claim 6, is characterized in that, also comprise terminal presentation facility, described temperature sensor, controling parameters register and running status register respectively with terminal presentation facility data cube computation.
8. the device based on multiplex temperature collection and fan control according to claim 7, it is characterized in that, described temperature sensor is connected with terminal presentation facility respectively by IPMI interface with fan.
9. the device based on multiplex temperature collection and fan control according to claim 1, it is characterized in that, also comprise timer, described timer is connected with temperature sensor.
10. the device based on multiplex temperature collection and fan control according to claim 1, it is characterized in that, also comprise storage unit, described storage unit is connected with temperature sensor data.
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| CN201520594373.6U CN204904112U (en) | 2015-08-07 | 2015-08-07 | Device based on multichannel temperature data collection and fan control |
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| CN201520594373.6U CN204904112U (en) | 2015-08-07 | 2015-08-07 | Device based on multichannel temperature data collection and fan control |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065610A (en) * | 2017-04-17 | 2017-08-18 | 浙江德塔森特数据技术有限公司 | The immediate processing method and device of data in a kind of computer room control |
| CN107414252A (en) * | 2017-09-21 | 2017-12-01 | 浙江雅创机电科技有限公司 | A kind of inversion manual welding machine |
| CN107654399A (en) * | 2017-11-16 | 2018-02-02 | 绵阳市建诚电子有限公司 | A kind of intelligent electric fan based on ambient temperature |
| CN108334348A (en) * | 2017-08-25 | 2018-07-27 | 郑州云海信息技术有限公司 | A kind of method for visualizing of detection service device system fan rate |
| CN115013342A (en) * | 2022-05-26 | 2022-09-06 | 中航光电科技股份有限公司 | Redundancy-designed fan rotating speed control system and method |
-
2015
- 2015-08-07 CN CN201520594373.6U patent/CN204904112U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065610A (en) * | 2017-04-17 | 2017-08-18 | 浙江德塔森特数据技术有限公司 | The immediate processing method and device of data in a kind of computer room control |
| CN107065610B (en) * | 2017-04-17 | 2019-07-30 | 浙江德塔森特数据技术有限公司 | The immediate processing method and device of data in a kind of control of computer room |
| CN108334348A (en) * | 2017-08-25 | 2018-07-27 | 郑州云海信息技术有限公司 | A kind of method for visualizing of detection service device system fan rate |
| CN107414252A (en) * | 2017-09-21 | 2017-12-01 | 浙江雅创机电科技有限公司 | A kind of inversion manual welding machine |
| CN107414252B (en) * | 2017-09-21 | 2019-10-29 | 浙江雅创机电科技有限公司 | A kind of inversion manual welding machine |
| CN107654399A (en) * | 2017-11-16 | 2018-02-02 | 绵阳市建诚电子有限公司 | A kind of intelligent electric fan based on ambient temperature |
| CN115013342A (en) * | 2022-05-26 | 2022-09-06 | 中航光电科技股份有限公司 | Redundancy-designed fan rotating speed control system and method |
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