CN106704239A - Temperature control device and variable-speed fan - Google Patents

Temperature control device and variable-speed fan Download PDF

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Publication number
CN106704239A
CN106704239A CN201710078966.0A CN201710078966A CN106704239A CN 106704239 A CN106704239 A CN 106704239A CN 201710078966 A CN201710078966 A CN 201710078966A CN 106704239 A CN106704239 A CN 106704239A
Authority
CN
China
Prior art keywords
circuit
signal
fan
temperature control
variable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710078966.0A
Other languages
Chinese (zh)
Inventor
杨恒翔
肖靖峰
米尔阿力木江
沈佳
刘信
高阳
马斌
王涛
顾楠
李德高
冯磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Information and Telecommunication Branch of State Grid Xinjiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Information and Telecommunication Branch of State Grid Xinjiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Information and Telecommunication Branch of State Grid Xinjiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201710078966.0A priority Critical patent/CN106704239A/en
Publication of CN106704239A publication Critical patent/CN106704239A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/006Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by influencing fluid temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves

Abstract

The invention discloses a temperature control device and a variable-speed fan. The temperature control device comprises an infrared thermometry circuit, a fan control circuit and a variable frequency motor, wherein the infrared thermometry circuit is arranged on a radiation path of a processor and used for obtaining the real-time temperature of the processor according to infrared radiation signals of the processor; the fan control circuit is connected with the infrared thermometry circuit and used for generating rotary speed control signals according to the real-time temperature; and the variable frequency motor is connected with the fan control circuit and used for rotating under the triggering of the rotary speed control signals. The technical problem of a poor heat radiation effect of an existing variable-speed fan is solved.

Description

Temperature control equipment and variable speed fan
Technical field
The present invention relates to appliance field, in particular to a kind of temperature control equipment and variable speed fan.
Background technology
In the prior art, four pin automatic speed regulating fans can be realized adjusting by measuring the different conditions of chip operating voltage Speed, it require that user is adjusted manually, not enough intelligence is also difficult to reach optimal radiating effect, in order to solve the problem, Increase temp probe on four pin automatic speed regulating fans, but after temp probe is increased, temp probe must connect with fin Touch, the heat transfer caused due to dust is bad and problem of temperature lag, also causes the radiating effect of four pin automatic speed regulating fans Fruit is not good.A kind of PWM temperature-controlled fans are additionally provided in the prior art, and the PWM temperature-controlled fans can be defeated according to the temperature of processor Go out pulse-width signal, to change rotation speed of the fan, but the signal intensity of PWM temperature-controlled fans is bad, by pulse-width signal without Method directly drives fan, is also unable to reach optimal radiating effect.Wherein, PWM (Pulse Width Modulation, i.e. pulsewidth Modulation) it is a kind of method that digital numbering is carried out to analog signal level, it makes square wave by the use of high-resolution counter Dutycycle modulated and be numbered for the level to a physical simulation signal, also with the numeral output of microprocessor Come a kind of very effective technology being controlled to analog circuit.
For the problem of the radiating effect difference of above-mentioned existing variable speed fan, effective solution is not yet proposed at present.
The content of the invention
A kind of temperature control equipment and variable speed fan are the embodiment of the invention provides, at least to solve existing variable speed fan Radiating effect difference technical problem.
A kind of one side according to embodiments of the present invention, there is provided temperature control equipment, including:Infrared thermometry electricity Road, is arranged on the radiation route of processor, for obtaining the processor according to the infrared radiation signal of the processor Real time temperature;Fan control circuitry, is connected with the infrared thermometry circuit, for generating rotating speed control according to the real time temperature Signal processed;Variable-frequency motor, is connected with the fan control circuitry, for being rotated under the triggering of the speed controling signal.
Further, the infrared thermometry circuit includes:Optics, is arranged on the radiation route of the processor On;Modulating motor, is connected with the optics, and the infrared radiation signal for the processor by the optics is entered is adjusted It is made alternation radiation signal;Detector, is connected with the optics, for the alternation spoke for exporting the optics Penetrate signal and be transformed into electric signal;Process circuit, is connected with the detector, for carrying out signal transacting to the electric signal, obtains To the real time temperature.
Further, the process circuit includes:Signal processing circuit, is connected with the detector, described for obtaining The corresponding initial temperature of electric signal;Compensation circuit, is connected with the signal processing circuit, for carrying out mesh to the initial temperature Mark emissivity correction, obtains the real time temperature.
Further, the temperature control equipment includes:Supervisory circuit, including Rotating speed measring circuit and warning circuit, its In, the Rotating speed measring circuit is connected with the variable-frequency motor, the rotating speed for detecting the variable-frequency motor;The warning circuit It is connected with the Rotating speed measring circuit, in the rotating speed not alarm in the range of desired speed.
Further, the warning circuit is connected with the processor, in the rotating speed not in desired speed scope Stopping signal is generated when interior, the stopping signal is used to indicate the processor to be stopped.
Further, the temperature control equipment includes:Hall device, is connected with the variable-frequency motor, turns for detecting Sub- position and rotating speed;The fan control circuitry is connected with the hall device, for according to the rotor-position and described turn Speed is adjusted to the speed controling signal.
Further, the fan control circuitry includes:Memory, for storing predetermined threshold;Comparator, respectively with institute Infrared thermometry circuit and memory connection are stated, the size for comparing the real time temperature and the predetermined threshold is defeated Go out comparative result;Signal generator, is connected with the comparator, for exporting rotating speed control letter corresponding with the comparative result Number.
Further, it is characterised in that the temperature control equipment also includes:Dust detector, is connected with flabellum, is used for Detect the dust on the flabellum;The fan control circuitry is connected with the dust detector, on the flabellum Generation deashing instruction when dust reaches deashing condition, wherein, the variable-frequency motor is making a reservation under the driving that the deashing is instructed Time period operates according to desired speed.
Another aspect according to embodiments of the present invention, additionally provides a kind of variable speed fan, and the variable speed fan includes:Above-mentioned Temperature control equipment.
Further, the variable speed fan also includes processor and flabellum.
In embodiments of the present invention, infrared thermometry circuit is provided with the radiation route of processor, for according to place The infrared radiation signal for managing device obtains the real time temperature of processor, by the fan control circuitry being connected with infrared thermometry circuit Speed controling signal, under the triggering of speed controling signal, the frequency conversion being connected with fan control circuitry are generated according to real time temperature Motor rotates.By above-described embodiment, temperature control equipment can obtain the real-time temperature of processor according to infrared thermometry circuit Degree carries out real-time regulation to computer fan rotating speed, different from four traditional pin automatic speed regulating fans and PWM temperature-controlled fans, effectively The heat dispersion of computer fan is improved, computer system power consumption is reduced, and then solve the radiating effect of existing variable speed fan Really poor technical problem.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of temperature control equipment according to embodiments of the present invention;
Fig. 2 is a kind of schematic diagram of temperature control equipment according to embodiments of the present invention;
Fig. 3 is the schematic diagram of a kind of optional temperature control equipment according to embodiments of the present invention;
Fig. 4 is the schematic diagram of another temperature control equipment according to embodiments of the present invention;
Fig. 5 is the schematic diagram of another temperature control equipment according to embodiments of the present invention;
Fig. 6 is the schematic diagram of another optional temperature control equipment according to embodiments of the present invention;
Fig. 7 is the schematic diagram of the optional temperature control equipment of another kind according to embodiments of the present invention;
Fig. 8 is a kind of schematic diagram of variable speed fan according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover Lid is non-exclusive to be included, for example, contain a series of process of units, system, product or equipment to be not necessarily limited to clearly list Those units, but may include not list clearly or for these processes, product or other intrinsic units of equipment.
Fig. 1 is a kind of schematic diagram of temperature control equipment according to embodiments of the present invention, as shown in figure 1, the device includes: Infrared thermometry circuit 11, fan control circuitry 13 and variable-frequency motor 15.
Wherein, infrared thermometry circuit 11, is arranged on the radiation route of processor 16, for according to the infrared of processor Radiation signal obtains the real time temperature of processor;
Fan control circuitry 13, is connected with infrared thermometry circuit 11, for generating rotating speed control letter according to real time temperature Number;
Variable-frequency motor 15, is connected with fan control circuitry 13, for being rotated under the triggering of speed controling signal.
Using the embodiment of the present invention, infrared thermometry circuit is provided with the radiation route of processor, for according to place The infrared radiation signal for managing device obtains the real time temperature of processor, by the fan control circuitry being connected with infrared thermometry circuit Speed controling signal, under the triggering of speed controling signal, the frequency conversion being connected with fan control circuitry are generated according to real time temperature Motor rotates.By above-described embodiment, temperature control equipment can obtain the real-time temperature of processor according to infrared thermometry circuit Degree carries out real-time regulation to computer fan rotating speed, different from four traditional pin automatic speed regulating fans and PWM temperature-controlled fans, effectively The heat dispersion of computer fan is improved, computer system power consumption is reduced, and then solve existing variable speed fan radiating effect Poor technical problem.
Further, infrared thermometry circuit includes:Optics, is arranged on the radiation route of processor;Modulation electricity Machine, is connected with optics, and the infrared radiation signal for the processor by optics is entered is modulated into alternation radiation signal; Detector, is connected with optics, and the alternation radiation signal for optics to be exported is transformed into electric signal;Process circuit, It is connected with detector, for carrying out signal transacting to electric signal, obtains real time temperature.
As shown in Fig. 2 infrared thermometry circuit 11 includes:Optics 21, is arranged on the radiation route of processor;Adjust Motor processed 22, is connected with optics 21, and the infrared radiation signal for the processor by optics is entered is modulated into alternation Radiation signal;Detector 23, is connected with optics, and the alternation radiation signal for optics to be exported is transformed into telecommunications Number;Process circuit 24, is connected with detector 23, for carrying out signal transacting to electric signal, obtains real time temperature 26.
Alternatively, wherein in infrared thermometry circuit, infrared measurement of temperature by the way of point-to-point analysis, i.e. the CPU of computer (Central Processing Unit, i.e. central processing unit) enters optics after sending infra-red radiation as radiant body, so Infra-red radiation is modulated into alternation by modulating motor to radiate, then alternation radiation is transformed into corresponding electric signal by detector, The electric signal according to the algorithm in instrument and backs again by after the treatment of compensation circuit and signal processing circuit, correcting It is changed into the real time temperature data of computer CPU afterwards.
Wherein, optics refers to according to a graded by various optical elements such as lens, speculum, prism and diaphragm The system for combining, is commonly used to be imaged or do optical Information Processing.Alternation radiation refer to waveform from the zero to maximum, then return To the change of null value, equal to half period.Voltage or electric current that electric signal refers to over time and changes, therefore mathematically may be used It is expressed as the function of time, and its waveform can be drawn.
Further, process circuit includes:Signal processing circuit, is connected with detector, corresponding for obtaining electric signal Initial temperature;Compensation circuit, is connected with signal processing circuit, for carrying out backs correction to initial temperature, obtains reality Shi Wendu.
As shown in figure 3, process circuit 24 includes:Signal processing circuit 31 and compensation circuit 33, wherein, signal processing circuit 31 are connected by process circuit 24 with detector 23, for obtaining the corresponding initial temperature of electric signal;Compensation circuit 33, with signal Process circuit 31 is connected, and for carrying out backs correction to initial temperature, obtains real time temperature 26.
Further, temperature control equipment includes:Supervisory circuit 41, including Rotating speed measring circuit and warning circuit, wherein, Rotating speed measring circuit is connected with variable-frequency motor, the rotating speed for detecting variable-frequency motor;Warning circuit is connected with Rotating speed measring circuit, For in the rotating speed not alarm in the range of desired speed.
Specifically, as shown in figure 4, temperature control equipment includes:Supervisory circuit 41, wherein supervisory circuit 41 are examined including rotating speed Slowdown monitoring circuit 410 and warning circuit 411, wherein, Rotating speed measring circuit 410 is connected with variable-frequency motor 15, for detecting variable-frequency motor 15 rotating speed;Warning circuit 411 is connected with Rotating speed measring circuit 410, in the rotating speed not alarm in the range of desired speed.
Alternatively, supervisory circuit is used for monitoring rotation speed of the fan, and the operation conditions to fan electromotor carries out monitor in real time, and can The autostop of alarm and computer is realized, to prevent from burning CPU or the situation appearance of other devices because fan is stalled.
Further, warning circuit 411 is connected with processor, stops for being generated when rotating speed is not in the range of desired speed Machine signal, stopping signal is used to indicate processor to be stopped.
Alternatively, supervisory circuit and warning circuit have fault detection capability, and announcement can be produced when fan breaks down It is alert, it is effectively protected computer CPU.
Further, temperature control equipment includes:Hall device, is connected with variable-frequency motor, for detect rotor-position and Rotating speed;Fan control circuitry is connected with hall device, for being adjusted to speed controling signal according to rotor-position and rotating speed.
Specifically, as shown in figure 5, temperature control equipment includes:Hall device 51, is connected, with variable-frequency motor 15 for examining Survey rotor-position and rotating speed;Fan control circuitry 13 is connected with hall device 51, for according to rotor-position and rotating speed to rotating speed Control signal is adjusted.
Alternatively, in order to realize precise control effect, it is necessary to the signal of fan control circuitry input reflection rotor-position, Therefore having used hall device carries out the detection of position of fan and rotating speed.Variable-frequency motor is relative using hall device measurement rotor Position, the signal input for being obtained carrys out motor rotation.
Wherein, hall device is that, using the solid electronic device of Hall effect, Hall effect defines magnetic field and induced electricity Relation between pressure, when electric current passes through a conductor in magnetic field, magnetic field can produce one to the electronics in conductor Individual horizontal active force, so that two ends in the conductor produce voltage difference.
Further, fan control circuitry includes:Memory, for storing predetermined threshold;Comparator, respectively with infrared ray Temperature measurement circuit and memory are connected, and the size for comparing real time temperature and predetermined threshold exports comparative result;Signal generation Device, is connected with comparator, for exporting speed controling signal corresponding with comparative result.
Specifically, as shown in fig. 6, fan control circuitry 13 includes:Memory 61, comparator 62 and signal generator 63.Wherein, memory 61, for storing predetermined threshold;Comparator 62, connects with infrared thermometry circuit 11 and memory 61 respectively Connect, the size for comparing real time temperature and predetermined threshold, export comparative result;Signal generator 63, is connected with comparator 62, For exporting speed controling signal corresponding with comparative result.
Wherein, comparator is, by comparing two sizes of the curtage of input, different electricity to be exported in output end Press the electronic component of result.
Alternatively, temperature-rotating speed corresponding relation of the fan control circuitry according to set by is come Intelligent adjustment rotation speed of the fan.Enter One step ground, sets a threshold value first, and such as 36 DEG C, when cpu temperature is less than 36 DEG C, fan works as CPU with relatively low rotational speed Fan acceleration (such as 5m/s just to set when temperature is more than 36 DEG C2) increase rotating speed until full-speed operation, now heat dispersion Reach maximum.Otherwise rotation speed of the fan just starts to successively decrease with the acceleration for setting when cpu temperature is less than 36 DEG C, until lowest speed is even Shut down, now fan power consumption is also preferably minimized value.
Alternatively, infrared thermometry circuit carries out temperature detection, and accuracy is higher, and the regulation to rotation speed of the fan is cleverer It is quick, to the control of computer temperature much sooner and accurately.
Alternatively, fan control circuitry controls the rotating speed of fan by given threshold, extends the service life of fan, In addition, the time that computer fan runs at high speed can also be reduced in this way, and then reduce fan and run at high speed generation Noise.
Further, temperature control equipment also includes:Dust detector, is connected with flabellum, for detecting the ash on flabellum Dirt;Fan control circuitry is connected with dust detector, generation deashing instruction when reaching deashing condition for the dust on flabellum, Wherein, variable-frequency motor is operated in predetermined amount of time under the driving that deashing is instructed according to desired speed.
As shown in fig. 7, temperature control equipment also includes:Dust detector 71, is connected, with flabellum 72 for detecting flabellum Dust;Fan control circuitry 13 is connected with dust detector 71, is generated when reaching deashing condition for the dust on flabellum Deashing is instructed, wherein, variable-frequency motor is operated in predetermined amount of time under the driving that deashing is instructed according to desired speed.
Specifically, starting fan deashing pattern can be set in fan control circuitry, makes fan high speed in special time Operating, such as in the state of deashing is needed, is set in a hour fan with the rotation speed operation of 300r/min, clear to reach The purpose of ash, namely the area that dust is covered on fan is reduced, reduce the probability that dust is rested on fan.
Fig. 8 is a kind of schematic diagram of variable speed fan according to embodiments of the present invention, as shown in figure 8, the variable speed fan includes Above-mentioned temperature control equipment.
Further, variable speed fan also includes processor 16 and flabellum 72.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. a kind of temperature control equipment, it is characterised in that including:
Infrared thermometry circuit, is arranged on the radiation route of processor, for the infrared radiation signal according to the processor Obtain the real time temperature of the processor;
Fan control circuitry, is connected with the infrared thermometry circuit, for generating rotating speed control letter according to the real time temperature Number;
Variable-frequency motor, is connected with the fan control circuitry, for being rotated under the triggering of the speed controling signal.
2. temperature control equipment according to claim 1, it is characterised in that the infrared thermometry circuit includes:
Optics, is arranged on the radiation route of the processor;Modulating motor, is connected with the optics, for inciting somebody to action Infrared radiation signal into the processor of the optics is modulated into alternation radiation signal;
Detector, is connected with the optics, and the alternation radiation signal for the optics to be exported is transformed into Electric signal;
Process circuit, is connected with the detector, for carrying out signal transacting to the electric signal, obtains the real time temperature.
3. temperature control equipment according to claim 2, it is characterised in that the process circuit includes:
Signal processing circuit, is connected with the detector, for obtaining the corresponding initial temperature of the electric signal;
Compensation circuit, is connected with the signal processing circuit, for carrying out backs correction to the initial temperature, obtains The real time temperature.
4. temperature control equipment according to claim 1, it is characterised in that the temperature control equipment includes:
Supervisory circuit, including Rotating speed measring circuit and warning circuit, wherein,
The Rotating speed measring circuit is connected with the variable-frequency motor, the rotating speed for detecting the variable-frequency motor;
The warning circuit is connected with the Rotating speed measring circuit, in the rotating speed not Times in the range of desired speed It is alert.
5. temperature control equipment according to claim 4, it is characterised in that the warning circuit connects with the processor Connect, for generating stopping signal when the rotating speed is not in the range of desired speed, the stopping signal is used to indicate the place Reason device is stopped.
6. temperature control equipment according to claim 1, it is characterised in that the temperature control equipment includes:
Hall device, is connected with the variable-frequency motor, for detecting rotor-position and rotating speed;
The fan control circuitry is connected with the hall device, for according to the rotor-position and the rotating speed to described turn Fast control signal is adjusted.
7. temperature control equipment according to claim 1, it is characterised in that the fan control circuitry includes:
Memory, for storing predetermined threshold;
Comparator, is connected with the infrared thermometry circuit and the memory respectively, for comparing the real time temperature and institute The size of predetermined threshold is stated, comparative result is exported;
Signal generator, is connected with the comparator, for exporting speed controling signal corresponding with the comparative result.
8. temperature control equipment according to claim 1, it is characterised in that
The temperature control equipment also includes:Dust detector, is connected with flabellum, for detecting the dust on the flabellum;
The fan control circuitry is connected with the dust detector, when reaching deashing condition for the dust on the flabellum Generation deashing instruction, wherein, the variable-frequency motor under the driving that the deashing is instructed, in predetermined amount of time according to desired speed Operating.
9. a kind of variable speed fan, it is characterised in that including the temperature control equipment described in any one in claim 1 to 8.
10. variable speed fan according to claim 9, it is characterised in that the variable speed fan also includes processor and flabellum.
CN201710078966.0A 2017-02-14 2017-02-14 Temperature control device and variable-speed fan Pending CN106704239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710078966.0A CN106704239A (en) 2017-02-14 2017-02-14 Temperature control device and variable-speed fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710078966.0A CN106704239A (en) 2017-02-14 2017-02-14 Temperature control device and variable-speed fan

Publications (1)

Publication Number Publication Date
CN106704239A true CN106704239A (en) 2017-05-24

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Application Number Title Priority Date Filing Date
CN201710078966.0A Pending CN106704239A (en) 2017-02-14 2017-02-14 Temperature control device and variable-speed fan

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Country Link
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110242609A (en) * 2019-07-12 2019-09-17 天津市天鼓机械制造有限公司 Magnetic suspension air blower temperature control device

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CN110242609A (en) * 2019-07-12 2019-09-17 天津市天鼓机械制造有限公司 Magnetic suspension air blower temperature control device

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