CN206571723U - Temperature control equipment and variable speed fan - Google Patents

Temperature control equipment and variable speed fan Download PDF

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Publication number
CN206571723U
CN206571723U CN201720134345.5U CN201720134345U CN206571723U CN 206571723 U CN206571723 U CN 206571723U CN 201720134345 U CN201720134345 U CN 201720134345U CN 206571723 U CN206571723 U CN 206571723U
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China
Prior art keywords
circuit
signal
fan
control equipment
temperature control
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Active
Application number
CN201720134345.5U
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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
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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
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Priority to CN201720134345.5U priority Critical patent/CN206571723U/en
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Abstract

The utility model discloses a kind of temperature control equipment and variable speed fan.Wherein, this method includes:Infrared thermometry circuit, is arranged on the radiation route of processor, the real time temperature for obtaining the processor according to the infrared radiation signal of the processor;Fan control circuitry, is connected with the infrared thermometry circuit, for generating speed controling signal according to the real time temperature;Variable-frequency motor, is connected with the fan control circuitry, for being rotated under the triggering of the speed controling signal.The utility model solves the technical problem of the radiating effect difference of existing variable speed fan.

Description

Temperature control equipment and variable speed fan
Technical field
The utility model is related 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 realize tune 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 increase temp probe, temp probe must connect with fin Touch, the heat transfer caused due to dust is bad and the 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 above-mentioned existing variable speed fan radiating effect it is poor the problem of, effective solution is not yet proposed at present.
Utility model content
The utility model embodiment provides a kind of temperature control equipment and variable speed fan, at least to solve existing speed change The technical problem of the radiating effect difference of fan.
According to the one side of the utility model embodiment there is provided a kind of temperature control equipment, including:Infrared thermometry Circuit, 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 according to the real time temperature Control signal;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 Alternation radiation signal is made;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 Emissivity correction is marked, the real time temperature is obtained.
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 that the processor is 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 under the driving that the deashing is instructed, predetermined Period operates according to desired speed.
According to the another aspect of the utility model embodiment, a kind of variable speed fan is additionally provided, the variable speed fan includes:On The temperature control equipment stated.
Further, the variable speed fan also includes processor and flabellum.
In the utility model embodiment, infrared thermometry circuit is provided with the radiation route of processor, for root The real time temperature of processor is obtained according to the infrared radiation signal of processor, passes through the fan control being connected with infrared thermometry circuit Circuit generates speed controling signal according to real time temperature, under the triggering of speed controling signal, is connected with fan control circuitry Variable-frequency motor rotates.By above-described embodiment, temperature control equipment can obtain the reality of processor according to infrared thermometry circuit Shi Wendu is adjusted in real time to computer fan rotating speed, different from four traditional pin automatic speed regulating fans and PWM temperature-controlled fans, is had The heat dispersion for improving computer fan of effect, reduces computer system power consumption, and then solve dissipating for existing variable speed fan The technical problem of thermal effect difference.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper Limit.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of temperature control equipment according to the utility model embodiment;
Fig. 2 is a kind of schematic diagram of temperature control equipment according to the utility model embodiment;
Fig. 3 is a kind of schematic diagram of optional temperature control equipment according to the utility model embodiment;
Fig. 4 is the schematic diagram of another temperature control equipment according to the utility model embodiment;
Fig. 5 is the schematic diagram of another temperature control equipment according to the utility model embodiment;
Fig. 6 is the schematic diagram of another optional temperature control equipment according to the utility model embodiment;
Fig. 7 is the schematic diagram of another optional temperature control equipment according to the utility model embodiment;
Fig. 8 is a kind of schematic diagram of variable speed fan according to the utility model embodiment.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so The data used can be exchanged in the appropriate case, so that embodiment of the present utility model described herein can be with except at this In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning Figure is that covering is non-exclusive and included, and is not necessarily limited to clearly for example, containing a series of process of units, system, product or equipment Those units listed to Chu, but may include not listing clearly or intrinsic for these processes, product or equipment Other units.
Fig. 1 is a kind of schematic diagram of temperature control equipment according to the utility model embodiment, as shown in figure 1, the device Including: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, believes for generating rotating speed control 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 utility model embodiment, infrared thermometry circuit is provided with the radiation route of processor, for root The real time temperature of processor is obtained according to the infrared radiation signal of processor, passes through the fan control being connected with infrared thermometry circuit Circuit generates speed controling signal according to real time temperature, under the triggering of speed controling signal, is connected with fan control circuitry Variable-frequency motor rotates.By above-described embodiment, temperature control equipment can obtain the reality of processor according to infrared thermometry circuit Shi Wendu is adjusted in real time to computer fan rotating speed, different from four traditional pin automatic speed regulating fans and PWM temperature-controlled fans, is had The heat dispersion for improving computer fan of effect, reduces computer system power consumption, and then solve existing variable speed fan radiating The technical problem of effect difference.
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 22 processed, 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 is by the way of point-to-point analysis, i.e. the CPU of computer (Central Processing Unit, i.e. central processing unit) is sent as radiant body enters optics after infra-red radiation, so By modulating motor infra-red radiation be modulated into alternation radiation, then by detector alternation radiation be transformed into corresponding electric signal, The electric signal again by the processing of compensation circuit and signal processing circuit after, corrected according to the algorithm in instrument and backs It is changed into the real time temperature data of computer CPU afterwards.
Wherein, optics refers to by a variety of optical elements such as lens, speculum, prism and diaphragm according to a graded The system combined, commonly used to be imaged or do optical Information Processing.Alternation radiation refers to waveform from zero to maximum, then returns To the change of null value, equal to half period.Electric signal refers to the voltage or electric current changed over time, therefore mathematically may be used It is expressed as to 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 is monitored 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, is stopped for being generated when rotating speed is not in the range of desired speed Machine signal, stopping signal is used to indicate that processor is 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 according to rotor-position and rotating speed to speed controling signal.
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 accurate control effect, it is necessary to input the signal for reflecting rotor-position to fan control circuitry, Therefore hall device has been used to carry out the detection of position of fan and rotating speed.Variable-frequency motor measures the relative of rotor using hall device Position, the signal input obtained carrys out motor rotation.
Wherein, hall device is the solid electronic device using Hall effect, and Hall effect defines magnetic field and induced electricity Relation between pressure, when electric current is by a conductor being located 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 connection, the size for comparing real time temperature and predetermined threshold, export 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 the size by comparing the curtage of two inputs, and different electricity are exported in output end Press the electronic component of result.
Alternatively, fan control circuitry according to set temperature-rotating speed corresponding relation come Intelligent adjustment rotation speed of the fan.Enter One step, a threshold value is set 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 is just with acceleration (such as 5m/s of setting when temperature is more than 36 DEG C2) increase rotating speed is until full-speed operation, now heat dispersion Reach maximum.Otherwise rotation speed of the fan just starts to successively decrease with the acceleration of 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 under the driving that deashing is instructed in predetermined amount of time 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 under the driving that deashing is instructed in predetermined amount of time 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 300r/min rotation speed operation, clear to reach The purpose of ash, namely reduce the area that dust is covered on fan, the probability that reduction dust is rested on fan.
Fig. 8 is a kind of schematic diagram of variable speed fan according to the utility model embodiment, as shown in figure 8, the variable speed fan Including above-mentioned temperature control equipment.
Further, variable speed fan also includes processor 16 and flabellum 72.
Above-mentioned the utility model embodiment sequence number is for illustration only, and the quality of embodiment is not represented.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in some embodiment The part not being described in detail, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through 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 illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part shown 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 selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in the utility model each embodiment can be integrated in a processing unit, Can be that unit is individually physically present, can also two or more units it is integrated in a unit.It is above-mentioned integrated 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.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as protection domain of the present utility model.

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, believes for generating rotating speed control 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, for comparing the real time temperature and institute respectively 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 Deashing instruction is generated, wherein, the variable-frequency motor is 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.
CN201720134345.5U 2017-02-14 2017-02-14 Temperature control equipment and variable speed fan Active CN206571723U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720134345.5U CN206571723U (en) 2017-02-14 2017-02-14 Temperature control equipment and variable speed fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720134345.5U CN206571723U (en) 2017-02-14 2017-02-14 Temperature control equipment and variable speed fan

Publications (1)

Publication Number Publication Date
CN206571723U true CN206571723U (en) 2017-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720134345.5U Active CN206571723U (en) 2017-02-14 2017-02-14 Temperature control equipment and variable speed fan

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704239A (en) * 2017-02-14 2017-05-24 国网新疆电力公司信息通信公司 Temperature control device and variable-speed fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704239A (en) * 2017-02-14 2017-05-24 国网新疆电力公司信息通信公司 Temperature control device and variable-speed fan

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