CN104181949A - Intelligent power cooling device - Google Patents
Intelligent power cooling device Download PDFInfo
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- CN104181949A CN104181949A CN201410442260.4A CN201410442260A CN104181949A CN 104181949 A CN104181949 A CN 104181949A CN 201410442260 A CN201410442260 A CN 201410442260A CN 104181949 A CN104181949 A CN 104181949A
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Abstract
The invention discloses an intelligent power cooling device which comprises a multi-point temperature detecting circuit, an intelligent control circuit, a digital power adjusting circuit and a radiating direct-current fan set. The multi-point temperature detecting circuit comprises multiple temperature sensors and AD converters corresponding to the temperature sensors. The output ends of the temperature sensors are connected with the analog signal sampling ends of the AD converters, and the digital signal output ends of the AD converters are connected with the input end of the intelligent control circuit. The intelligent control circuit is composed of a single chip microcomputer and a peripheral circuit of the single chip microcomputer, intelligent judgment software is loaded on the single chip microcomputer, operation and judgment are conducted according to input temperature information, then control signals are generated, the control signal output end of the signal chip microcomputer is connected with the input end of the digital power adjusting circuit, and the output control end of the digital power adjusting circuit is connected with the radiating direct-current fan to control starting, rotating speeds and closing of the radiating direct-current fan. The intelligent power cooling device is simple and flexible in circuit, high in reliability, high in control precision, long in fan service life, low in maintenance cost and little in noise jamming.
Description
Technical field
The present invention relates to a kind of power supply smart cooling device, specifically, relate to a kind of cooling device that carries out intelligent control for large power supply.
Background technology
At present, large power supply or there is accordingly the equipment of high-power heat-dissipation requirement, the most often having adopted radiating mode is fan air blast cooling.And what in large how many situations, adopt is the fan of starting shooting and turning.But be often not need fan operation sometimes, such as: 1) environment temperature is not high, and 2) though the capacity of power supply output is larger, output load is sometimes also little, so power supply temperature rise is not high yet.3) power supply is in service intermittent state, and part-time power supply is not worked.For above situation, be not need fan to move work always.This has not only wasted the energy, has also increased noise simultaneously.Worst is to greatly reduce fan serviceable life, has shortened the maintenance period of product, the after service cost that increased product.If can set the start-up temperature value of fan, control fan running, adjust the rotating speed of fan according to temperature simultaneously.So just can be in the case of ensureing the reasonable temperature rise of power supply, the travelling speed of the working time of the minimizing fan of maximum possible or reduction fan.Thereby effectively reduce neighbourhood noise, extend the maintenance period of product.Reduce after service cost.
Summary of the invention
A kind of power supply smart cooling device that the present invention designs in order to solve the problems of the technologies described above just.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of power supply smart cooling device, comprises multi-point temp detection circuit, intelligent control circuit, digital power regulation circuit and four parts of heat radiation DC fan group.Multi-point temp detection circuit comprises multiple temperature sensors and corresponding A D converter with it, multiple temperature sensors are arranged on respectively on power device and machine casing, temperature sensor detects the temperature value of temperature detecting point, become digital signal by AD converter, be transferred to intelligent control circuit; Intelligent control electric route single-chip microcomputer and peripheral circuit thereof form, on single-chip microcomputer, load intelligent decision software, carry out producing control signal after computing and judgement according to the temperature information of input, control signal is transferred to digital power regulation circuit, digital power regulation circuit is connected with heat radiation DC fan, thereby controls startup, the rotating speed of heat radiation DC fan and close.
Described its temperature detection circuit of power supply smart cooling device can carry out quantity expansion according to the size of power shell, realizes multi-point temp and surveys and control.
1, principle of work
Multi-point temp detection circuit carries out temperature detection to different representative temperature check points respectively, the detected value of each point is divided into again the A/D convertor circuit of multiple channel transfer to intelligent control circuit, transfers simulating signal to digital signal respectively supply with single-chip microcomputer through corresponding passage.Single-chip microcomputer is realized several aspects function by software.1) temperature data providing according to each point, judges whether to open fan; 2) quantity that reaches the threshold value of unlatching according to the temperature data of each point judges the travelling speed of fan.3) according to the temperature data of each point and the travelling speed of opening the difference of threshold value and judge fan.4) judge whether should turn-offing of fan according to the temperature data of each point.
2, the feature of device
1. the present invention adopts the core control element of single-chip microcomputer as Based Intelligent Control.Simplify hardware circuit.Also strengthened the dirigibility of circuit, realized intelligent temperature treatment simultaneously.
2. patent of the present invention has adopted digital power regulation circuit, with respect to linear load power regulation circuit, has greatly improved the efficiency of power regulation circuit, has also increased the reliability of circuit.
3. the present invention has adopted the mode of multi-point temp sampling.Avoid the shortcoming of single-point controlling of sampling low precision, realized comparatively desirable and effectively temperature control.Also introduced the method for sampling of error correction simultaneously.In the time that a certain sampling spot occurs that sampling was lost efficacy, system can shield this point automatically, and does not affect the normal work of device.
The invention has the beneficial effects as follows and adopt the core control element of single-chip microcomputer as Based Intelligent Control, realized intelligent temperature treatment; Adopt digital power regulation circuit, improved the efficiency of power regulation circuit.Its circuit simple and flexible, good reliability, control accuracy is high.In the serviceable life that can greatly improve fan, effectively extend maintenance time interval, reduces maintenance cost.Can also effectively reduce noise simultaneously.
Brief description of the drawings
Fig. 1 is power supply smart cooling device theory diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, a kind of power supply smart cooling device of the present invention, comprises multi-point temp detection circuit, intelligent control circuit, digital power regulation circuit and four parts of heat radiation DC fan group.Multi-point temp detection circuit comprises multiple temperature sensors and corresponding A D converter with it, multiple temperature sensors are arranged on respectively on power device and machine casing, temperature sensor detects the temperature value of temperature detecting point, become digital signal by AD converter, be transferred to intelligent control circuit; Intelligent control electric route single-chip microcomputer and peripheral circuit thereof form, on single-chip microcomputer, load intelligent decision software, carry out producing control signal after computing and judgement according to the temperature information of input, control signal is transferred to digital power regulation circuit, digital power regulation circuit is connected with heat radiation DC fan, thereby controls startup, the rotating speed of heat radiation DC fan and close.
Described its temperature detection circuit of power supply smart cooling device can carry out quantity expansion according to the size of power shell, realizes multi-point temp and surveys and control.
Multi-point temp detection circuit carries out temperature detection to different representative temperature check points respectively, the detected value of each point is divided into again the A/D convertor circuit of multiple channel transfer to intelligent control circuit, transfers simulating signal to digital signal respectively supply with single-chip microcomputer through corresponding passage.Single-chip microcomputer is realized several aspects function by software.1) temperature data providing according to each point, judges whether to open fan; 2) quantity that reaches the threshold value of unlatching according to the temperature data of each point judges the travelling speed of fan.3) according to the temperature data of each point and the travelling speed of opening the difference of threshold value and judge fan.4) judge whether should turn-offing of fan according to the temperature data of each point.
The present invention is not limited to above-mentioned preferred forms, and other any or akin products identical with the present invention that anyone draws under enlightenment of the present invention, within all dropping on protection scope of the present invention.
Claims (2)
1. a power supply smart cooling device, comprises multi-point temp detection circuit, intelligent control circuit, digital power regulation circuit and four parts of heat radiation DC fan group; It is characterized in that: multi-point temp detection circuit comprises multiple temperature sensors and corresponding A D converter with it, multiple temperature sensors are arranged on respectively on power device and machine casing, temperature sensor output terminal is connected with AD converter simulating signal sampling end, and the digital signal output end of AD converter is connected with intelligent control circuit input end; Intelligent control electric route single-chip microcomputer and peripheral circuit thereof form, on single-chip microcomputer, load intelligent decision software, carry out producing control signal after computing and judgement according to the temperature information of input, Single-chip Controlling signal output part is connected with digital power regulation circuit input end, digital power regulation circuit output control terminal is connected with heat radiation DC fan, controls startup, the rotating speed of heat radiation DC fan and closes.
2. power supply smart cooling device according to claim 1, is characterized in that: temperature detection circuit can carry out quantity expansion according to the size of power shell, realizes multi-point temp and surveys and control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442260.4A CN104181949A (en) | 2014-09-02 | 2014-09-02 | Intelligent power cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442260.4A CN104181949A (en) | 2014-09-02 | 2014-09-02 | Intelligent power cooling device |
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| CN104181949A true CN104181949A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410442260.4A Pending CN104181949A (en) | 2014-09-02 | 2014-09-02 | Intelligent power cooling device |
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| CN (1) | CN104181949A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005334A (en) * | 2015-08-12 | 2015-10-28 | 江苏甬金金属科技有限公司 | Electrode temperature detection apparatus for stainless steel band pickling tank |
| CN106224918A (en) * | 2016-09-07 | 2016-12-14 | 佛山市飞成金属制品有限公司 | A kind of uniform-temperature plate heat dissipating device |
| CN107517579A (en) * | 2017-10-25 | 2017-12-26 | 成都西井科技有限公司 | A kind of radiator of power amplifier |
| CN107829967A (en) * | 2017-12-01 | 2018-03-23 | 南京熊猫电子股份有限公司 | A kind of equipment cooling fan intelligent management apapratus and method |
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| CN203378183U (en) * | 2013-06-19 | 2014-01-01 | 山东朗进科技股份有限公司 | Heat dissipation device for frequency converter |
| CN204009608U (en) * | 2014-09-02 | 2014-12-10 | 航天长峰朝阳电源有限公司 | Power supply smart cooling device |
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| CN1421117A (en) * | 1999-12-23 | 2003-05-28 | 模拟器件公司 | Fan Speed control system |
| CN101145059A (en) * | 2007-11-01 | 2008-03-19 | 上海交通大学 | Temperature control device of dynamic lithium battery set |
| CN201134052Y (en) * | 2007-12-25 | 2008-10-15 | 重庆宗申技术开发研究有限公司 | Temperature control circuit of fuel cell |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005334A (en) * | 2015-08-12 | 2015-10-28 | 江苏甬金金属科技有限公司 | Electrode temperature detection apparatus for stainless steel band pickling tank |
| CN105005334B (en) * | 2015-08-12 | 2017-04-12 | 江苏甬金金属科技有限公司 | Electrode temperature detection apparatus for stainless steel band pickling tank |
| CN106224918A (en) * | 2016-09-07 | 2016-12-14 | 佛山市飞成金属制品有限公司 | A kind of uniform-temperature plate heat dissipating device |
| CN107517579A (en) * | 2017-10-25 | 2017-12-26 | 成都西井科技有限公司 | A kind of radiator of power amplifier |
| CN107829967A (en) * | 2017-12-01 | 2018-03-23 | 南京熊猫电子股份有限公司 | A kind of equipment cooling fan intelligent management apapratus and method |
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Application publication date: 20141203 |
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| RJ01 | Rejection of invention patent application after publication |