CN202759733U - A heat dissipating device using a fan - Google Patents
A heat dissipating device using a fan Download PDFInfo
- Publication number
- CN202759733U CN202759733U CN 201220459349 CN201220459349U CN202759733U CN 202759733 U CN202759733 U CN 202759733U CN 201220459349 CN201220459349 CN 201220459349 CN 201220459349 U CN201220459349 U CN 201220459349U CN 202759733 U CN202759733 U CN 202759733U
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- Prior art keywords
- fan
- temperature
- rotating speed
- equipment
- temperature value
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- Expired - Fee Related
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Abstract
The utility model discloses a heat dissipating device using a fan. The heat dissipating device using a fan comprises a fan which is used for dissipating heat of a device, a temperature detecting sensor, and a logic device. Multiple temperature ranges and multiple rotating speeds which have one-to-one correspondence are saved in the logic device. The temperature detecting sensor is used for detecting the temperature value of the device. The logic device is used for reading the temperature value. The fan is driven to rotate under a rotating speed corresponding to a temperature range which is in the temperature ranges and which includes the temperature value. The heat dissipating device using a fan has characteristics of flexible design, simple structure, and saved labor cost. By utilizing the heat dissipating device using a fan, rotating speed of the fan can be adjusted automatically, timely, and accurately according to the temperature of the device, and a warning function is achieved when the temperature of the device exceeds a limit.
Description
Technical field
The utility model relates to a kind of heat abstractor, relates in particular to a kind of fan heat sink.
Background technology
In the equipment standard that telecommunications provides, the running environment of equipment there is clear and definite requirement.In the running of equipment, the excess Temperature of equipment can affect the normal operation of equipment significantly, and therefore, the heat dissipation problem of equipment becomes a very important factor of the normal operation of the equipment of impact.
At present, fan is installed on the equipment to be come equipment is dispelled the heat, the general ASIC(Application Specific Integrated Circuit that adopts, application-specific integrated circuit (ASIC)) chip is realized this function, but therefore the rotating speed that needs the manual adjustment fan when the excess Temperature of equipment uses this device labor intensive cost, can't automatically regulate in time, exactly the rotating speed of fan according to the temperature of equipment, and when the excess Temperature of equipment, do not possess warning function and send prompting to the user.
Summary of the invention
The technical problems to be solved in the utility model is to realize this device labor intensive cost to the heat radiation of equipment in order to overcome the available technology adopting asic chip, can't automatically regulate in time, exactly the rotating speed of fan according to the temperature of equipment, and the defective that does not possess warning function, provide a kind of function of logical device of utilizing to realize automatically regulating the rotating speed of fan and the fan heat sink of warning function according to the temperature of equipment.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of fan heat sink, it comprises a fan, and this fan is used for an equipment is dispelled the heat, and its characteristics are, this fan heat sink also comprises a temperature detection sensor and a logical device, and this logical device stores one to one a plurality of temperature ranges and a plurality of rotating speed;
This temperature detection sensor is for detection of the temperature value of this equipment;
This logical device is used for reading this temperature value, controls this fan based on the corresponding rotating speed of temperature range that comprises this temperature value in those temperature ranges and is rotated with this rotating speed.
Preferably, this logical device is programmable logic device.
Preferably, this programmable logic device is by PWM(Pulse Width Modulation, pulse width modulation) pulse controls the rotating speed of this fan.
Preferably, this programmable logic device is CPLD(Complex Programmable Logic Device, CPLD) or FPGA(Field-Programmable Gate Array, field programmable gate array).
Preferably, this fan is the tripod fan, comprises an alarm(alarm in the tripod) pin.When the temperature of equipment was not high, this fan normally moved, and this alarm pin is to be in low level state; When the excess Temperature of equipment, this fan stall or burn out, this alarm pin is to be in high level state, at this moment, this alarm pin is by the I/O(I/O) pin transfers to this programmable logic device with high level signal, and this programmable logic device sends warning reminding.
Positive progressive effect of the present utility model is: the utility model flexible design, simple in structure, and the saving cost of labor utilizes the utility model can automatically regulate in time, preparatively the rotating speed of fan according to the temperature of equipment, and realizes warning function when the excess Temperature of equipment.
Description of drawings
Fig. 1 is the structure chart of the fan heat sink of the utility model embodiment 1.
Fig. 2 is the flow chart of the fan cooling method of the utility model embodiment 1.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
With reference to shown in Figure 1, a kind of fan heat sink, it comprises a bipod fan 1, a temperature detection sensor 2 and a CPLD 3, and this bipod fan 1 is used for an equipment (not shown) is dispelled the heat, and this CPLD 3 stores one to one ten temperature ranges and ten rotating speeds;
This temperature detection sensor 2 is for detection of the temperature value of this equipment;
This CPLD 3 is used for reading this temperature value every a time period (such as 5 seconds), comes to control this bipod fan 1 by pwm pulse based on the corresponding rotating speed of temperature range that comprises this temperature value in these ten temperature ranges and is rotated with this rotating speed.Certainly, this time period also can be arranged to other numerical value.
Wherein, the corresponding relation of ten temperature ranges of these CPLD 3 storages and ten rotating speeds is as shown in the table:
This fan heat sink is according to the fan cooling method running of Fig. 2, and this fan cooling method may further comprise the steps:
For example:
When the temperature value of this equipment that detects when this temperature detection sensor 2 is 17 ° of C, after this CPLD 3 reads 17 ° of C of this temperature value, come to control this bipod fan 1 by pwm pulse based on the corresponding rotating speed 1500 (prm) of 15 ° of C-20 ° of C of temperature range that comprises 17 ° of C of this temperature value in these ten temperature ranges and be rotated with this rotating speed 1500 (prm); Similarly, when the temperature value of this equipment that detects when this temperature detection sensor 2 is 42 ° of C, after this CPLD 3 reads 42 ° of C of this temperature value, come to control this bipod fan 1 by pwm pulse based on the corresponding rotating speed 5000 (prm) of 40 ° of C-45 ° of C of temperature range that comprises 42 ° of C of this temperature value in these ten temperature ranges and be rotated with this rotating speed 5000 (prm); Similarly, when the temperature value of this equipment that detects when this temperature detection sensor 2 is 75 ° of C, after this CPLD3 reads 75 ° of C of this temperature value, come to control this bipod fan 1 by pwm pulse based on the corresponding rotating speed 5600 (prm) of temperature range (60+) ° C that comprises 75 ° of C of this temperature value in these ten temperature ranges and be rotated with this rotating speed 5600 (prm).
This embodiment difference from Example 1 is: the bipod fan in this fan heat sink is changed to the tripod fan, this CPLD is changed to FPGA, it is the alarm pin that one pin is arranged in three pin of this tripod fan, so when the excess Temperature of equipment, this FPGA can realize the warning reminding function.
For example:
When the temperature value of this equipment that detects when this temperature detection sensor 2 is 75 ° of C, after this FPGA reads 75 ° of C of this temperature value, coming to control this tripod fan by pwm pulse based on the corresponding rotating speed 5600 (prm) of temperature range (60+) ° C that comprises 75 ° of C of this temperature value in these ten temperature ranges is rotated with this rotating speed 5600 (prm), simultaneously, the alarm pin that this tripod fan comprises transfers to this FPGA by the I/O pin with high level signal, and this FPGA sends warning reminding.
The other parts of present embodiment and embodiment 1 are identical.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.
Claims (5)
1. fan heat sink, it comprises a fan, and this fan is used for an equipment is dispelled the heat, and it is characterized in that, this fan heat sink also comprises a temperature detection sensor and a logical device, and this logical device stores one to one a plurality of temperature ranges and a plurality of rotating speed;
This temperature detection sensor is for detection of the temperature value of this equipment;
This logical device is used for reading this temperature value, controls this fan based on the corresponding rotating speed of temperature range that comprises this temperature value in those temperature ranges and is rotated with this rotating speed.
2. fan heat sink as claimed in claim 1 is characterized in that, this logical device is programmable logic device.
3. fan heat sink as claimed in claim 2 is characterized in that, this programmable logic device is controlled the rotating speed of this fan by pwm pulse.
4. fan heat sink as claimed in claim 2 is characterized in that, this programmable logic device is CPLD or FPGA.
5. fan heat sink as claimed in claim 1 is characterized in that, this fan is the tripod fan, comprises an alarm pin in the tripod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459349 CN202759733U (en) | 2012-09-10 | 2012-09-10 | A heat dissipating device using a fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459349 CN202759733U (en) | 2012-09-10 | 2012-09-10 | A heat dissipating device using a fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759733U true CN202759733U (en) | 2013-02-27 |
Family
ID=47738885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220459349 Expired - Fee Related CN202759733U (en) | 2012-09-10 | 2012-09-10 | A heat dissipating device using a fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759733U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687424A (en) * | 2012-09-10 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Fan heat dissipation device and method |
| CN104314855A (en) * | 2014-10-30 | 2015-01-28 | 上海市静安区第一中心小学 | Thermal-inductive electric fan |
| WO2018023226A1 (en) * | 2016-07-31 | 2018-02-08 | 杨洁 | Temperature based heat dissipating method and heat dissipating device |
| CN109958646A (en) * | 2019-03-20 | 2019-07-02 | 浪潮商用机器有限公司 | Control method for fan and system |
-
2012
- 2012-09-10 CN CN 201220459349 patent/CN202759733U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687424A (en) * | 2012-09-10 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Fan heat dissipation device and method |
| CN104314855A (en) * | 2014-10-30 | 2015-01-28 | 上海市静安区第一中心小学 | Thermal-inductive electric fan |
| WO2018023226A1 (en) * | 2016-07-31 | 2018-02-08 | 杨洁 | Temperature based heat dissipating method and heat dissipating device |
| CN109958646A (en) * | 2019-03-20 | 2019-07-02 | 浪潮商用机器有限公司 | Control method for fan and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20180910 |