CN102573421B - Heat radiator as well as control device and control method of heat radiator - Google Patents
Heat radiator as well as control device and control method of heat radiator Download PDFInfo
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- CN102573421B CN102573421B CN201210002768.3A CN201210002768A CN102573421B CN 102573421 B CN102573421 B CN 102573421B CN 201210002768 A CN201210002768 A CN 201210002768A CN 102573421 B CN102573421 B CN 102573421B
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Abstract
The invention discloses a heat radiator as well as a control device and a control method of the heat radiator. The heat radiator comprises a base plate and a box body, wherein the top of the box body is provided with an opening, the base plate completely covers the opening and is fixed on the box body, and a first surface of the base plate is provided with an electronic module. The heat radiator further comprises a heat-radiating roller, a motor, a fan, a temperature sensor and a control panel for controlling the actions of the motor and the fan according to a detected temperature value, wherein the heat-radiating roller is connected with the motor, the control panel is electrically connected with the temperature sensor, the motor and the fan through lead wires, and the fan, the motor and the heat-radiating roller are arranged in the box body. According to the invention, when the temperature reaches a certain value, the motor is controlled to be started to realize heat radiation, when the temperature reaches a high set value, the motor and the fan are simultaneously started so as to realize rapid heat radiation, and when the temperature is reduced to a certain value, the fan or the motor are shut down automatically, so that the purpose of energy saving is achieved.
Description
Technical field
The present invention relates to the technical field of radiator, particularly a kind of radiator, radiator control device and control method.
Background technology
Its core component electronic modules such as frequency converter, inverter, Switching Power Supply have advantages of high frequency, high pressure, high speed and integrated circuit height densification, and this increases sharply the caloric value in electronic device unit volume; The general work temperature of electronic device is-5 ℃～65 ℃, if exceed for a long time this temperature range, will reduce the useful life of electronic devices and components, and performance significantly declines, thereby causes equipment job insecurity and useful life to shorten.And the control of the temperature of these components and parts mainly realizes by radiator, as shown in Figure 1, if radiator of the prior art is comprised of substrate 2 and radiating fin 1, being arranged on heat that the electronic module on substrate 2 sends is delivered on radiating fin 1 and dispels the heat, most equipment all improves radiator heat-dissipation speed by the mode of additional fan, but the impact of the factors such as conduction of being heated due to this radiating mode, make the radiating efficiency of radiator not reach certain effect, during fan work, can produce noise effect people's health, and easy damage of the long work meeting of working needs to change.
And the radiator improving at present mainly has: the patent No. is the utility model patent of ZL200820154423.9 (Granted publication number is CN201286062Y), the design of its innovation and creation is that the area that increases radiating fin increases radiating effect, radiating fin is set to the shape of curved surface, is to have increased area of dissipation on the one hand; On the other hand because the disturbance of curved surface fin makes to be distinguished and admirablely converted to turbulence state by laminar condition, thereby increase distinguished and admirable and heat transfer intensity fin, made radiator there is good specific heat load and radiating effect.But radiating fin is increased to certain quantity, just can not increase again, radiating fin arrange too intensive words can stop on the contrary fan by heat with.The shape that increases the quantity of radiating fin simultaneously and be set to curved surface all can increase the complexity of its technique, and cost is higher.
The utility model patent of a Chinese patent ZL200920286743.4 (Granted publication number is CN201656747U) in addition, mainly to utilize the mode of cold water cooling to dispel the heat, but because of the electronic module in the devices such as frequency converter more, this mode will have higher sealing to heat sink arrangement, and to increase in addition hydraulic pressure servicing unit, thereby increased design cost, reduced whole reliability simultaneously.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art with not enough, a kind of good heat dissipation effect, reliability is high, cost is low radiator are provided.
Another object of the present invention is to, a kind of control device based on above-mentioned radiator is provided.
Another object of the present invention is, a kind of control method of radiator is provided.
In order to reach above-mentioned the first object, the present invention by the following technical solutions:
A kind of radiator, comprise substrate and casing, one opening is arranged at described casing top, described substrate covers this opening completely and is fixed on casing, substrate first surface is installed electronic module, the temperature value control motor that also comprises heat radiation cylinder, motor, fan, temperature sensor and detect for basis and the control board of fan action, the second surface of described substrate matches with described heat radiation outer surface of cylinder; Described heat radiation cylinder is connected with motor; Described control board is electrically connected to described temperature sensor, motor and fan by wire, and described fan, motor and heat radiation cylinder are arranged in casing.
Preferably, described substrate second surface is provided with circular groove, and described heat radiation cylinder is positioned at arc groove, and described heat radiation drum inner surface is provided with radiating fin; Described heat radiation cylinder comprises heat radiation drum shaft and the support hub for driving heat radiation cylinder to move in a circle, and described support hub one end is connected with heat radiation inner wall of rotary drum, and the other end is connected with heat radiation drum shaft.
Preferably, described substrate second surface is plane, described heat radiation cylinder is a plurality of, described heat radiation cylinder comprises heat radiation drum shaft and the support hub for driving heat radiation cylinder to move in a circle, described a plurality of heat radiation cylinder is provided with the crawler belt matching, described crawler belt comprises creeper tread and track pin, and described track pin couples together formation track link by polylith creeper tread, and the upper surface of described track link is parallel with described substrate second surface; Described a plurality of heat radiation cylinder and crawler belt engagement.
Preferably, described heat radiation drum shaft one end face is provided with the keyway mating with motor output shaft.
Preferably, described keyway and motor output shaft cross sectional shape are " one " font or " ten " font.
Preferably, described substrate first surface is provided with groove, and described temperature sensor is positioned at groove; Described temperature sensor also can be integrated in described electronic module.
Preferably, the screw that described substrate has elastic component by band is fixed on casing.
Preferably, above-mentioned radiator also comprises support and the base being fixed on casing, and described motor, fan are fixed on support; Described base is provided with stepped hole, is provided with rolling bearing in stepped hole, and heat radiation drum shaft and rolling bearing match.
In order to reach above-mentioned the second object, the present invention by the following technical solutions:
A radiator control device, comprising:
For detection of radiator base plate temperature the temperature sensor that is the signal of telecommunication by detected temperature transition;
The comparator comparing for temperature value that temperature sensor is detected and memory;
According to result relatively, realize the controller of motor and fan control;
And for detection of the time manager of setting-up time;
Described temperature sensor, comparator and controller are linked in sequence, and described comparator is connected with time manager respectively again with controller.
In order to reach above-mentioned the 3rd object, the present invention by the following technical solutions:
A control method for radiator, comprises the following steps:
S1, obtain the temperature value T0 of temperature sensor;
S2, the temperature detecting and set-point temperature T1, temperature T 2 are compared, wherein T1 is less than T2;
If S3 judgement T0 is less than T1, controller does not send actuating signal;
If judgement T1≤T0≤T2, controller sends drive motor working signal;
If judgement T2≤T0, controller sends drive motor working signal and drive fan working signal simultaneously;
S4, elapsed time t0 time, enter S1 circulation, and wherein the value of t0 is set according to the frequency converter of different capacity or inverter.
The present invention has following advantage and effect with respect to prior art:
1, the present invention carries out control temperature when reaching certain value, to open motor, thereby realize heat radiation, when temperature reaches higher set point, open motor and fan simultaneously, reach quick heat radiating, when temperature is reduced to certain value, automatically close fan or motor, with this, realize energy-conservation object.
2, general radiator easily damages because of fan long-term work, need irregular inspection and replacing. and heat sink arrangement of the present invention can conduct the heat of heat-radiating substrate in time because of cylinder, fan does not need long work, thereby has improved useful life greatly.
Accompanying drawing explanation
Fig. 1 is the stereogram of traditional heat-dissipating device;
Fig. 2 is the stereogram of radiator of the present invention;
Fig. 3 is the vertical view of radiator of the present invention;
Fig. 4 is radiator vertical view of the present invention along turning clockwise the view of 90 ° after A-A direction is dissectd;
Fig. 5 is that radiator vertical view of the present invention is along B-B direction cutaway view;
Fig. 6 is the radiator base plate cutaway view of the embodiment of the present invention;
Fig. 7 is the schematic diagram that fin of the present invention is arranged on heat radiation cylinder;
Fig. 8 is the substrate of the embodiment of the present invention 2 and the connection layout of support hub;
Fig. 9 is the partial enlarged drawing of temperature sensor shown in Fig. 5 of the present invention;
Figure 10 is the system construction drawing of control device of the present invention;
Figure 11 is control method flow chart of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
As shown in Fig. 2-Fig. 4, a kind of radiator of the present embodiment, comprise substrate 6, radiating fin 7 and casing 5, one opening is arranged at described casing 5 tops, described substrate 6 covers this opening completely and is fixed on casing 5, substrate 6 first surfaces are installed electronic module 1, also comprise heat radiation cylinder 8, motor 11, fan 14, temperature sensor 20, control board 4 and wire 2, substrate 6 second surfaces are also provided with circular groove 61, heat radiation cylinder 8 is positioned at arc groove 61, radiating fin 7 is located at heat radiation cylinder 8 inner surfaces, heat radiation cylinder 8 is connected with motor 11, control board 4 is by wire 2 and temperature sensor 20, motor 11 and fan 14 are connected, for control the action of motor and fan according to the temperature value detecting, described fan (14), motor (11) and heat radiation cylinder (8) are arranged in casing (5).
Fig. 6 is the cutaway view of radiator base plate 6, at the first surface of substrate 6, is provided with groove 62, and as shown in Figure 8, temperature sensor 20 is positioned in groove 62, for detection of the Temperature numerical of substrate 6.
Wherein, as shown in Figure 5, substrate 6 is fixed on casing 5 by flexible members such as spring or resilient rubbber cushion or metal clipss, and can keep like this dispelling the heat cylinder 8 and arc groove 61 are realized the state of interference fits, realize Maximum Contact area, make radiating effect more obvious.
Wherein, as shown in Figure 7, heat radiation cylinder 8 comprises heat radiation drum shaft 13 and support hub 131, support hub 131 one end are connected with heat radiation cylinder 8 inwalls, the other end is connected with heat radiation drum shaft 13, for transmitting the torque of heat radiation drum shaft 13, drives heat radiation cylinder 8 to move in a circle.
The present embodiment radiator also comprises support 9 and the base 10 being fixed on casing 5, and motor 11, fan 14 are fixed on support 9, base 10 is mainly used in supporting heat radiation drum shaft 13, in order to prevent from dispelling the heat, drum shaft 13 makes mechanism unstable at axial play, base 10 is provided with stepped hole 101, and be provided with rolling bearing 102 in order to reach in better transmission effect (preventing friction) stepped hole 101, heat radiation drum shaft 13 matches with rolling bearing 102, heat radiation drum shaft 13 both ends of the surface are equipped with keyway or draw-in groove, it is shaped as " in-line " or " cross ", the output shaft 110 end face cross sectional shapes of motor are identical with it, the two mates mutually, to motor is exported to transmission of torque to heat radiation drum shaft 13.
The present embodiment is mainly used in the devices such as frequency converter, inverter, to realize radiating effect, specifically in the time of machine work, because electronic module in machine 1 gives out heat, heat will be delivered to rapidly on substrate 6, by the temperature sensor 20 being arranged on substrate 6, temperature value can be detected, and temperature value is reached on control board 4, whether control board 4 reaches the start-up temperature value of motor 11 or fan 14, actuating motor or fan according to temperature value; When motor 11 starts, the output shaft 110 of motor by transmission of torque to the drum shaft 13 that dispels the heat, heat radiation drum shaft 13 by support hub 131 by transmission of torque to the cylinder 8 that dispels the heat, the cylinder 8 that now dispels the heat rotates, because of the substrate 6 surface temperature values cylinder 8 hull-skin temperature values of dispelling the heat high, can realize the temperature value on substrate 6 is passed to heat radiation cylinder 8 outer surfaces, again because heat radiation cylinder 8 is in rotary state, make substrate 6 and heat radiation cylinder 8 outer surfaces remain a larger temperature difference; When motor 11, fan 14 start simultaneously, drive heat radiation cylinder 8 to rotate realize heat radiation by motor 11, fan 14 starts simultaneously, carries out forced air cooling, has more accelerated the speed of heat radiation.
In addition, the control device of the present embodiment based on above-mentioned radiator, as shown in figure 10, is comprised of temperature sensor 20 and controller 41, comprises temperature sensor 20, for detection of radiator base plate temperature, and is converted into the signal of telecommunication;
Comparator 40, compares for temperature value and the memory that temperature sensor is detected;
Controller 41, realizes motor and fan control according to result relatively;
Time manager 42, for detection of setting-up time, and sends signal to controller according to the time;
Described temperature sensor 20, comparator 40 and controller 41 are linked in sequence, and described comparator 40 is connected with time manager 42 respectively again with controller 41, for transmitting temperature and control signal.
As shown in figure 11, the control method of a kind of radiator of the present embodiment, during radiator work, obtains the temperature value T0 of temperature sensor 20, and temperature value is passed to comparator 40; Two temperature value T1 of the interior setting of comparator 40 and T2 (and T1 is less than T2), and by the temperature value detecting according to temperature sensor 20 and T1, T2 comparison; Controller 41 sends drive motor 11 and/or fan actuating signal according to comparator 40 result relatively, as judge temperature value T0 and be less than T1, controller does not send drive motor 11 and/or fan 14 working signals, as judge T1≤T0≤T2, controller only sends drive motor 11 working signals, as judged, T2 is less than T0, and controller 41 sends drive motor 11 working signals and fan 14 working signals simultaneously; Through t0 after the time, cycle detection comparison again.
Wherein the value of T1, T2, t0 can be set according to the frequency converter of different capacity or inverter.
Embodiment 2
As shown in Figure 8, in the present embodiment, except following characteristics, other technical characterictic in the same manner as in Example 1: described substrate 6 second surfaces are plane, described heat radiation cylinder is a plurality of, and described heat radiation cylinder 8 comprises heat radiation drum shaft 13 and the support hub 131 for driving heat radiation cylinder 8 to move in a circle; Described a plurality of heat radiation cylinder 8 is provided with the crawler belt 81 matching, and described crawler belt comprises creeper tread and track pin, and described track pin couples together formation track link by polylith creeper tread, and the upper surface of described track link is parallel with described substrate second surface; Described a plurality of heat radiation cylinder 8 and crawler belt 81 engagements, when heat radiation cylinder rotates, drive crawler belt to rotate, and crawler belt is taken away the heat of substrate 6 in the process of rotating.
Embodiment 3
In the present embodiment, except following characteristics, other technical characterictic in the same manner as in Example 1: as shown in Figure 9, temperature sensor 20 also can be integrated in electronic module 1, now just needn't on substrate 6, offer groove 62, equally also reaches the effect in embodiment 1.
Above-described embodiment is preferably execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (7)
1. a radiator, comprise substrate (6) and casing (5), one opening is arranged at described casing (5) top, described substrate (6) covers this opening completely and is fixed on casing (5), substrate (6) first surface is installed electronic module (1), it is characterized in that, also comprise heat radiation cylinder (8), motor (11), fan (14), temperature sensor (20) and the temperature value detecting for basis are controlled the control board (4) of motor and fan action, the second surface of described substrate (6) matches with described heat radiation cylinder (8) outer surface, described substrate (6) second surface is provided with circular groove or is made as plane, when substrate (6) second surface is provided with circular groove, described heat radiation cylinder (8) is positioned at arc groove (61), described heat radiation cylinder (8) inner surface is provided with radiating fin (7), described heat radiation cylinder (8) comprises heat radiation drum shaft (13) and the support hub (131) for driving heat radiation cylinder (8) to move in a circle, described support hub (131) one end is connected with heat radiation cylinder (8) inwall, and the other end is connected with heat radiation drum shaft (13), when described substrate (6) second surface is made as plane, described heat radiation cylinder is a plurality of, described heat radiation cylinder (8) comprises heat radiation drum shaft (13) and the support hub (131) for driving heat radiation cylinder (8) to move in a circle, described a plurality of heat radiation cylinders (8) are provided with the crawler belt (81) matching, described crawler belt comprises creeper tread and track pin, described track pin couples together formation track link by polylith creeper tread, and the upper surface of described track link is parallel with described substrate second surface, described a plurality of heat radiation cylinder and crawler belt engagement, described heat radiation cylinder (8) is connected with motor (11), described control board (4) is electrically connected to described temperature sensor (20), motor (11) and fan (14) by wire (2), and described fan (14), motor (11) and heat radiation cylinder (8) are arranged in casing (5).
2. radiator according to claim 1, is characterized in that, described heat radiation drum shaft (13) one end faces are provided with the keyway (130) mating with motor output shaft (110).
3. radiator according to claim 2, is characterized in that, described keyway (130) and motor output shaft (110) cross sectional shape are " one " font or " ten " font.
4. radiator according to claim 1, is characterized in that, described substrate (6) first surface is provided with groove (62), and described temperature sensor (20) is positioned at groove (62).
5. radiator according to claim 1, is characterized in that, described temperature sensor (20) is integrated in described electronic module (1).
6. radiator according to claim 1, is characterized in that, described substrate (6) is fixed on casing (5) by the have elastic component screw (3) of (31) of band.
7. radiator according to claim 1, is characterized in that, also comprises the support (9) and the base (10) that are fixed on casing (5), and described motor (11), fan (14) are fixed on support (9); Described base (10) is provided with stepped hole (101), is provided with rolling bearing (102) in stepped hole, and heat radiation drum shaft (13) matches with rolling bearing (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002768.3A CN102573421B (en) | 2012-01-05 | 2012-01-05 | Heat radiator as well as control device and control method of heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002768.3A CN102573421B (en) | 2012-01-05 | 2012-01-05 | Heat radiator as well as control device and control method of heat radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102573421A CN102573421A (en) | 2012-07-11 |
| CN102573421B true CN102573421B (en) | 2014-11-19 |
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| CN201210002768.3A Active CN102573421B (en) | 2012-01-05 | 2012-01-05 | Heat radiator as well as control device and control method of heat radiator |
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| CN106371473A (en) * | 2016-10-20 | 2017-02-01 | 桂林大创科技有限公司 | Controller for heat radiation of power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2483539Y (en) * | 2001-02-28 | 2002-03-27 | 神达电脑股份有限公司 | Radiator with double fan |
| CN2563341Y (en) * | 2002-07-08 | 2003-07-30 | 展翊五金电气有限公司 | Improved structure of heat radiator |
| CN101196749A (en) * | 2006-12-07 | 2008-06-11 | 宁波安迪光电科技有限公司 | LED light projector |
| CN201286062Y (en) * | 2008-10-24 | 2009-08-05 | 上海新时达电气股份有限公司 | Heat radiator in transducer |
| KR20110011847A (en) * | 2009-07-29 | 2011-02-09 | 배성열 | Led lighting unit integrated ceiling panel without dazzle |
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Address after: 510530 No. 17 incense Hill Road, science and Technology Town, Guangzhou hi tech Development Zone, Guangdong, China Patentee after: GUANGZHOU SANJING ELECTRIC CO., LTD. Address before: 510530 No. 17 incense Hill Road, science and Technology Town, Guangzhou hi tech Development Zone, Guangdong, China Patentee before: Guangzhou Sanjing Electric Co., Ltd. |