CN2328970Y - Radiator - Google Patents
Radiator Download PDFInfo
- Publication number
- CN2328970Y CN2328970Y CN 97229517 CN97229517U CN2328970Y CN 2328970 Y CN2328970 Y CN 2328970Y CN 97229517 CN97229517 CN 97229517 CN 97229517 U CN97229517 U CN 97229517U CN 2328970 Y CN2328970 Y CN 2328970Y
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- CN
- China
- Prior art keywords
- fan motor
- heat abstractor
- drive circuit
- temperature
- signal
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a radiator which comprises a first fan motor, a second fan motor, a driving circuit, a rotary speed sensing device and a temperature sensing device, wherein, the driving circuit drives the second fan motor to run, the rotary speed sensing device is connected between the first fan motor and the driving circuit and has a preset rotary speed value, and a first driving signal is output when the detected rotary speed of the first fan motor is lower than the preset rotary speed. The temperature sensing device is connected with the driving circuit and has a preset temperature value, and a second driving signal is output when the detected temperature of the radiator is higher than the preset temperature. The driving circuit receives the first driving signal or the second driving signal to drive the second fan motor to run.
Description
The utility model relates to a kind of heat abstractor, refers to a kind of double-fan radiation device of computer cpu especially.
Computer cpu (CPU) often must possess fast throughput is arranged now; and because the operating rate of central processing unit (CPU) promotes in recent years significantly; therefore the fuel factor problem that central processing unit (CPU) is produced under quick and a large amount of operative scenario; then must be by the improvement of heat abstractor; reason is overheated and produce the thermal runaway phenomenon with protection central processing unit (CPU); and central processing unit (CPU) more can prolong the service life of central processing unit (CPU) as if the heat abstractor of no-float.
The conventional fan radiating mode mostly only adopts the type of drive of single fan heat radiation, has so often just lost the radiating effect of single fan when fan failure or unit temperature are too high, makes unit overheated, easily forms the thermal runaway phenomenon.
Main purpose of the present utility model is to provide a kind of heat abstractor, can drive two groups of fan runnings, improves heat-sinking capability.
Another purpose of the present utility model is to provide a kind of heat abstractor, and it can be lower than in the fan motor rotating speed and starts the running of another desk fan under the rated speed in limited time, assists heat radiation, and produces simultaneously and pipe or flashing light is warned.
A purpose more of the present utility model is to provide a kind of heat abstractor, when environment temperature too high or heat radiation not as good as or fan failure not transmission temperature is risen and surpasses on the limiting temperature in limited time, can make another desk fan start running, increase heat-sinking capability, and generation simultaneously pipes or flashing light is warned.
The purpose of this utility model is achieved in that promptly provides a kind of heat abstractor, and it comprises: one first fan motor; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One rotating speed checking device, it is connected between described first fan motor and the drive circuit, has a preset rotation speed value, and it detects the rotating speed of described first fan motor, when the rotating speed of described first fan motor is lower than described preset rotation speed value, then exports one first and drive signal; One temperature sensing device, it links to each other with described drive circuit, has a preset temperature value, and it detects the temperature of described heat abstractor, when the temperature of described heat abstractor is higher than described preset temperature value, then exports one second and drives signal; Described drive circuit receives described first and drives the signal or the second driving signal and drive described second fan motor running.
The utility model provides a kind of heat abstractor in addition, and it comprises: one first fan motor, and it exports a tach signal; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One peak rectifier circuit, it links to each other with described first fan motor, and the tach signal of described first fan motor is done the peak detection rectification and exported a direct current voltage signal; One comparison circuit, it is connected between described peak rectifier circuit and the drive circuit, has a preset reference voltage, and its more described d. c. voltage signal when described d. c. voltage signal is lower than described preset reference voltage, is then exported one first and is driven signal; One temperature sensing device, it links to each other with described drive circuit, has a preset temperature value, and it detects the temperature of described heat abstractor, when the temperature of described heat abstractor is higher than described preset temperature, then exports one second and drives signal; Described drive circuit receives described first and drives the signal or the second driving signal and drive described second fan motor running.
The utility model also provides a kind of heat abstractor, and it comprises: a heat radiation bar for the heat radiation conduction; One first fan motor and one second fan motor are located at respectively on the described heat radiation bar; One control circuit, it links to each other with described second fan motor, detect the temperature of the rotating speed and the heat abstractor of described first fan motor, when the temperature that is lower than preset rotation speed or heat abstractor when the rotating speed of first fan motor is higher than preset temperature, then drive the running of second fan motor.
The utility model provides a kind of heat abstractor again, and it comprises: one first fan motor; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One rotating speed checking device, it is connected between described first fan motor and the drive circuit, has a preset rotation speed value, it detects the rotating speed of described first fan motor, when the rotating speed of described first fan motor is lower than described preset rotation speed value, then exports one and drive signal and drive described second fan motor running to described drive circuit.
The utility model also provides a kind of heat abstractor, and it comprises: one first fan motor; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One temperature sensing device, it links to each other with described drive circuit, has a preset temperature value, and it detects the temperature of described heat abstractor, when the temperature of described heat abstractor is higher than described preset temperature value, then exports a driving signal and drive described second fan motor running to described drive circuit.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is a three-dimensional exploded view of the present utility model;
Fig. 2 is a three-dimensional combination figure of the present utility model;
Fig. 3 is a circuit schematic flow sheet of the present utility model;
Fig. 4 is the detailed circuit diagram of first preferred embodiment of the present utility model;
Fig. 5 is the detailed circuit diagram of second preferred embodiment of the present utility model.
See also the stereogram of the utility model heat abstractor shown in Fig. 1,2, it is established two holes 101,102 by a board 10 and can embed for two groups of fan motors 1,7 and install, and fan motor 1,7 can synchronous or asynchronous running, forms 30 heat radiations of heat radiation bar.When fan motor 1 run on the low excessively state of rotating speed or heat radiation bar 30 temperature surpass last in limited time, conducting makes fan motor 7 add running automatically, with the raising heat-sinking capability, and pipes or light alerting system.
Please refer to the control circuit schematic flow sheet of the utility model heat abstractor shown in Figure 3, when mainly utilizing fan motor 1 running, it exports a rotational speed output signal 11, through a peak rectifier circuit 2 with rotational speed output signal 11 in addition the detection rectification obtain a direct current signal 21, the accurate bit comparison of reference that direct current signal 21 sets with comparison circuit 3 again, if being rotational speed output signal 11, the result who compares is lower than under the rated speed in limited time, then comparison circuit 3 can send one first to drive signal 31 to drive circuit 4, make drive circuit 4 start another desk fan motor 7, the device 71 of ringing simultaneously pipes.In addition, when fan motor 1 heat radiation not as good as or environment temperature rise when causing temperature to surpass temperature upper limit, temperature sensing device 5 also can send the setting of a temperature signal 51 and comparison circuit 6 with reference to accurate bit comparison, if the result who compares is a temperature when surpassing capping, then comparison circuit 6 also can send one second to drive signal 61 to drive circuit 4, make drive circuit 4 start another desk fan motor 7, the device 71 of ringing is piped.
See also the detailed circuit diagram of first preferred embodiment of the utility model heat abstractor shown in Figure 4.According to the utility model, by fan motor 1 output one rotational speed output signal 11, it is a square wave, after a filter capacitor 22 filtering are handled, makes peak detection through a diode 23 again, does the detection rectification and obtains a direct current signal 21 through two electric capacity 24,25 again.This direct current signal 21 is corresponding with the rotational speed output signal 11 of fan motor 1, and the rotating speed of fan motor 1 is higher, and the square wave frequency of rotational speed output signal 11 is higher, and then the voltage quasi position of the direct current signal 21 after the detection rectification also improves relatively; If rotation speed of the fan reduces, the square wave frequency of rotational speed output signal 11 also reduces, and then the voltage quasi position of the direct current signal 21 after the detection rectification also reduces relatively.Prescribe a time limit when fan motor 1 rotating speed is lower than the following of rated speed, i.e. direct current signal 21 after the detection rectification is compared with accurate of the reference of comparison circuit 3, and when being lower than with reference to accurate, this moment, the first driving signal 31 of comparison circuit 3 was Lo.Comparison circuit 3 is preferable to be made up of operational amplifier, and the accurate position of the reference of rotating speed lower limit is set by resistance 32,33, when the first driving signal 31 is Lo, it forces triode 41 conductings of drive circuit 4, drive circuit 4 is preferable to be made up of a PNP triode, thereby drive another fan motor 7 runnings, the device 71 of ringing is piped warn.
When fan motor 1 heat radiation not as good as or environment temperature rise too high when causing temperature to surpass temperature upper limit, this moment can be by 5 perception of temperature sensing device, this temperature sensing device 5 is preferable to be made up of a negative coefficient thermistor 51, when thermistor 51 resistance values descend, to cause the branch pressure voltage accurate position lifting of resistance 52 and be higher than the accurate position of reference, accurate of the reference of temperature upper limit can be by resistance 53,54 settings.When temperature sensing device 5 sense temperature were higher than temperature upper limit, it also was Lo that second of comparison circuit 6 outputs this moment drive signal 61.Force triode 41 conductings of drive circuit 4, drive circuit 4 is preferable to be made up of a PNP triode, thereby drives another fan motor 7 runnings, simultaneously the device 71 of ringing is piped and warns, and comparison circuit 6 is preferable to be made up of operational amplifier.
Referring again to the detailed circuit diagram of second preferred embodiment of the utility model heat abstractor shown in Figure 5, the utility model comprises a mu balanced circuit 8 in addition, preferablely is made up of a zener diode 81, uses for other elements so that a stable operating voltage to be provided.
In sum, the utility model heat abstractor, can be lower than under the rated speed in the fan motor rotating speed and prescribe a time limit, or environment temperature is too high and surpass on the limiting temperature in limited time, can start another desk fan motor running simultaneously, and produce and to pipe or flashing light is warned, to assist heat radiation, prevent that Yin Wendu is too high and produce the thermal runaway phenomenon.
Claims (24)
1. a heat abstractor is characterized in that it comprises: one first fan motor; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One rotating speed checking device, it is connected between described first fan motor and the drive circuit, has a preset rotation speed value, and it detects the rotating speed of described first fan motor, when the rotating speed of described first fan motor is lower than described preset rotation speed value, then exports one first and drive signal; One temperature sensing device, it links to each other with described drive circuit, has a preset temperature value, and it detects the temperature of described heat abstractor, when the temperature of described heat abstractor is higher than described preset temperature value, then exports one second and drives signal; Described drive circuit receives described first and drives the signal or the second driving signal and drive described second fan motor running.
2. heat abstractor according to claim 1 is characterized in that, described temperature sensing device is a thermistor.
3. heat abstractor according to claim 1 is characterized in that it comprises the device of ringing in addition, and song is warned when second fan motor turns round.
4. heat abstractor according to claim 1 is characterized in that described drive circuit is made up of triode.
5. heat abstractor according to claim 1 is characterized in that it comprises a mu balanced circuit in addition, and a stable operating voltage is provided.
6. heat abstractor according to claim 5 is characterized in that described mu balanced circuit is made up of a zener diode.
7. heat abstractor according to claim 1 is characterized in that, it comprises a flashing light device in addition, flashing light caution when second fan motor turns round.
8. heat abstractor is characterized in that it comprises: one first fan motor, and it exports a tach signal; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One peak rectifier circuit, it links to each other with described first fan motor, and the tach signal of described first fan motor is done the peak detection rectification and exported a direct current voltage signal; One comparison circuit, it is connected between described peak rectifier circuit and the drive circuit, has a preset reference voltage, and its more described d. c. voltage signal when described d. c. voltage signal is lower than described preset reference voltage, is then exported one first and is driven signal; One temperature sensing device, it links to each other with described drive circuit, has a preset temperature value, and it detects the temperature of described heat abstractor, when the temperature of described heat abstractor is higher than described preset temperature, then exports one second and drives signal; Described drive circuit receives described first and drives the signal or the second driving signal and drive described second fan motor running.
9. heat abstractor according to claim 8 is characterized in that, described temperature sensing device is a thermistor.
10. heat abstractor according to claim 8 is characterized in that it comprises the device of ringing in addition, and song is warned when second fan motor turns round.
11. heat abstractor according to claim 8 is characterized in that, described drive circuit is made up of triode.
12. heat abstractor according to claim 8 is characterized in that, it comprises a mu balanced circuit in addition, and a stable operating voltage is provided.
13. heat abstractor according to claim 12 is characterized in that, described mu balanced circuit is made up of a zener diode.
14. heat abstractor according to claim 8 is characterized in that, it comprises a flashing light device in addition, flashing light caution when second fan motor turns round.
15. a heat abstractor is characterized in that it comprises: a heat radiation bar for the heat radiation conduction; One first fan motor and one second fan motor are located at respectively on the described heat radiation bar; One control circuit, it links to each other with described second fan motor, detect the temperature of the rotating speed and the heat abstractor of described first fan motor, when the temperature that is lower than preset rotation speed or heat abstractor when the rotating speed of first fan motor is higher than preset temperature, then drive the running of second fan motor.
16. a heat abstractor is characterized in that it comprises: one first fan motor; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One rotating speed checking device, it is connected between described first fan motor and the drive circuit, has a preset rotation speed value, it detects the rotating speed of described first fan motor, when the rotating speed of described first fan motor is lower than described preset rotation speed value, then exports one and drive signal and drive described second fan motor running to described drive circuit.
17. heat abstractor according to claim 16 is characterized in that, it comprises the device of ringing in addition, and song is warned when second fan motor turns round.
18. heat abstractor according to claim 16 is characterized in that, described drive circuit is made up of triode.
19. heat abstractor according to claim 16 is characterized in that, it comprises a flashing light device in addition, flashing light caution when second fan motor turns round.
20. a heat abstractor is characterized in that it comprises: one first fan motor; One second fan motor; One drives the drive circuit of described second fan motor running, and it links to each other with described second fan motor; One temperature sensing device, it links to each other with described drive circuit, has a preset temperature value, and it detects the temperature of described heat abstractor, when the temperature of described heat abstractor is higher than described preset temperature value, then exports a driving signal and drive described second fan motor running to described drive circuit.
21. heat abstractor according to claim 20 is characterized in that, described temperature sensing device is a thermistor.
22. heat abstractor according to claim 20 is characterized in that, it comprises the device of ringing in addition, and song is warned when second fan motor turns round.
23. heat abstractor according to claim 20 is characterized in that, described drive circuit is made up of triode.
24. heat abstractor according to claim 20 is characterized in that, it comprises a flashing light device in addition, flashing light caution when second fan motor turns round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97229517 CN2328970Y (en) | 1997-11-03 | 1997-11-03 | Radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97229517 CN2328970Y (en) | 1997-11-03 | 1997-11-03 | Radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2328970Y true CN2328970Y (en) | 1999-07-14 |
Family
ID=33942287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97229517 Expired - Fee Related CN2328970Y (en) | 1997-11-03 | 1997-11-03 | Radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2328970Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852647B (en) * | 2006-05-29 | 2010-05-12 | 迈普通信技术股份有限公司 | Communication apparatus radiating device |
| CN101886802B (en) * | 2009-05-12 | 2012-03-21 | 建准电机工业股份有限公司 | Lamp |
| CN107735614A (en) * | 2015-07-09 | 2018-02-23 | 株式会社神户制钢所 | Heat-exchanging component |
-
1997
- 1997-11-03 CN CN 97229517 patent/CN2328970Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852647B (en) * | 2006-05-29 | 2010-05-12 | 迈普通信技术股份有限公司 | Communication apparatus radiating device |
| CN101886802B (en) * | 2009-05-12 | 2012-03-21 | 建准电机工业股份有限公司 | Lamp |
| CN107735614A (en) * | 2015-07-09 | 2018-02-23 | 株式会社神户制钢所 | Heat-exchanging component |
| CN107735614B (en) * | 2015-07-09 | 2019-07-12 | 株式会社神户制钢所 | Heat-exchanging component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |