CN114370415A - System and method for detecting fan function in voltage division manner - Google Patents
System and method for detecting fan function in voltage division manner Download PDFInfo
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- CN114370415A CN114370415A CN202011102139.9A CN202011102139A CN114370415A CN 114370415 A CN114370415 A CN 114370415A CN 202011102139 A CN202011102139 A CN 202011102139A CN 114370415 A CN114370415 A CN 114370415A
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- voltage
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- input voltage
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- XBVSGJGMWSKAKL-UHFFFAOYSA-N 1,3,5-trichloro-2-(3,5-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C(=CC(Cl)=CC=2Cl)Cl)=C1 XBVSGJGMWSKAKL-UHFFFAOYSA-N 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a system and a method for detecting fan function in a pressure-dividing way, wherein the system comprises: the power supply module is used for supplying power; the fixed module is provided with a PCB, and a direct current jack is arranged on the PCB; the processing module is connected with the fixing module and is provided with an adjusting resistance unit; the fan is connected with the processing module and has a heat dissipation function; the system and the method for detecting the fan function by voltage division not only solve the problems of time and labor waste caused by the fact that the fan is assembled to a complete machine for testing and short circuit caused by the fact that the fan cannot bear the change of output voltage, eliminate potential safety hazards, but also are suitable for fans of different types, ensure the quality of the fan and greatly improve the detection efficiency of the heat dissipation function of the fan.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fan detection, in particular to a system and a method for detecting functions of a fan in a voltage division mode.
[ background of the invention ]
At present, the notebook computer or the desktop computer generally carries out heat dissipation treatment through a fan, when the notebook computer or the desktop computer is started to normally work, because the mainboard inside the notebook computer or the desktop computer can generate heat to generate a large amount of heat, if the heat is not subjected to better heat dissipation treatment or heat dissipation discharge, the mainboard of the computer is easily burnt, therefore, the fan is necessary to be arranged inside the host computer of the computer, the fan disperses the heat inside the computer, the host computer is protected, and the service life of the computer is prolonged to a great extent.
The detection mode to fan heat dissipation function at present is that the artifical connecting circuit with the fan directly switches on the power or assembles the fan and carry out the functional test on the complete machine, however, this detection mode does not carry out the function detection operation of fan under different output voltage, also is not suitable for the fan of different grade type, simultaneously, assemble the fan and test on the complete machine, it is time-consuming and laborious, and, easily cause the circuit short circuit because of the change that self can't bear output voltage, the problem of the decline of fan quality appears, certain potential safety hazard exists even.
In view of the above, it is actually necessary to provide a system and a method for detecting a fan function in a voltage-dividing manner, so as to solve the problems of time and labor waste caused by the current detection method, short circuit caused by the failure of the fan to withstand the variation of the output voltage, unsuitability for different types of fans, reduced fan quality, and potential safety hazards.
[ summary of the invention ]
The invention aims to provide a system and a method for detecting functions of a fan in a voltage division mode, and the system and the method are used for solving the problems that time and labor are wasted, a circuit is short-circuited due to the fact that the fan cannot bear the change of output voltage, the fan is not suitable for fans of different types, the quality of the fan is reduced, and potential safety hazards exist in the existing detection mode.
In order to achieve the above object, the present invention provides a system for detecting a function of a fan in a voltage division manner, comprising:
the power supply module is used for supplying power;
the fixing module is provided with a PCB, the PCB is provided with a direct current jack, and the direct current jack is used for switching on a power supply;
the processing module is connected with the fixing module, and is provided with an adjusting resistance unit which is used for adjusting the output voltage value in the system with the voltage division type fan detection function, namely the adjusting resistance unit adjusts the voltage by changing the resistance;
the fan is connected with the processing module and has a heat dissipation function;
the measuring module is connected with the fan, a voltage measuring unit and a grounding unit are arranged on the measuring module, the voltage measuring unit is used for measuring the actual input voltage of the fan, the grounding unit is used for grounding, and the grounding unit has the function of protecting an internal circuit of the system.
Optionally, a sliding rheostat is arranged on the adjusting resistance unit, and the sliding rheostat has the functions of blocking current and adjusting voltage on the circuit.
Optionally, the sliding rheostat divides the input voltage of the power module into a first voltage and a second voltage respectively.
Optionally, a voltmeter is arranged on the voltage measuring unit, and the voltmeter measures the actual input voltage of the fan.
Optionally, the rated input voltage of the fan is between 0-19V.
Optionally, a connection circuit is arranged in the system for detecting the function of the fan in the voltage division manner, and the connection circuit is connected in series with the power module, the fixing module, the processing module, the fan and the measuring module.
The invention also provides a method for detecting the function of the fan in a pressure-dividing mode, which comprises the following steps:
(1) the circuit is connected with a power supply, a PCB, a slide rheostat, a fan and a voltmeter in series;
(2) electrifying to switch on the power supply;
(3) the slide rheostat divides the input voltage into a first voltage;
(4) the method comprises the steps that a voltmeter measures the actual input voltage of a fan to be a first voltage;
(5) judging whether the fan normally works under a first voltage;
(6) the sliding rheostat divides the input voltage into a second voltage after the test is successful;
(7) the test fails;
(8) the voltmeter measures the actual input voltage of the fan as a second voltage;
(9) judging whether the fan normally works under the second voltage;
(10) the test is successful;
(11) the test failed.
Optionally, the first voltage and the second voltage are between 0 and 19V, and the second voltage is greater than the first voltage.
Optionally, the specific step in the step (6) is that when the actual input voltage of the fan measured by the voltmeter is the first voltage, the fan normally operates, which indicates that the heat dissipation function of the fan is qualified.
Optionally, when the fan normally operates under the regulation of the first voltage and the second voltage, it is indicated that the heat dissipation function of the fan is qualified when the input voltage is in a voltage division state.
Compared with the prior art, the system and the method for detecting the fan function by voltage division firstly connect the power supply, the PCB, the slide rheostat, the fan and the voltmeter in series through the connecting circuit to be electrified and connected, secondly, the slide rheostat divides the input voltage into the first voltage to judge whether the fan normally works under the first voltage, if the fan normally works under the first voltage, the slide rheostat divides the input voltage into the second voltage, if the fan does not normally work under the first voltage, the test fails, then, the fan is judged whether the fan normally works under the second voltage, if the fan normally works under the second voltage, the test succeeds, which shows that the heat dissipation function of the fan under the condition that the input voltage is divided is qualified, and if the fan does not normally work under the second voltage, the test fails, the problem that time and labor are wasted due to the fact that the fan is assembled to a complete machine for testing, and a circuit short circuit is caused due to the fact that the fan cannot bear the change of output voltage is solved, potential safety hazards are eliminated, the fan cooling device is also suitable for fans of different types, the quality of the fan is guaranteed, and the detection efficiency of the fan cooling function is greatly improved.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a system for detecting fan function according to the present invention.
Fig. 2 is a schematic diagram of a method for detecting the function of a fan according to the present invention.
[ detailed description ] embodiments
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to a preferred embodiment of the present invention and the accompanying drawings.
Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a system for detecting a fan function according to a voltage division method of the present invention, and fig. 2 is a schematic diagram of a method for detecting a fan function according to a voltage division method of the present invention, in which the present invention provides a system 100 for detecting a fan function according to a voltage division method, including:
the power supply module 110, the power supply module 110 is used for supplying power;
the fixing module 120 is provided with a PCB 121, the PCB 121 is provided with a dc jack, and the dc jack is used for connecting a power supply;
the processing module 130, the processing module 130 is connected to the fixing module 120, an adjusting resistance unit 131 is disposed on the processing module 130, the adjusting resistance unit 131 is used for adjusting the output voltage value in the system 100 with the voltage division type fan detecting function, that is, the adjusting resistance unit 131 adjusts the voltage by changing the resistance;
the fan 140, the fan 140 is connected with the processing module 130, and the fan 140 has a heat dissipation function;
the measurement module 150 is connected to the fan 140, the measurement module 150 is provided with a voltage measurement unit 151 and a grounding unit 152, the voltage measurement unit 151 is used for measuring the actual input voltage of the fan 140, the grounding unit 152 is used for grounding, and the grounding unit 152 has the function of protecting the internal circuit of the system.
The adjusting resistance unit 131 is provided with a sliding rheostat, which has the functions of blocking the current and adjusting the voltage on the circuit.
The sliding rheostat divides the input voltage of the power module 110 into a first voltage and a second voltage, and the second voltage is greater than the first voltage.
The voltage measuring unit 151 is provided with a voltmeter for measuring an actual input voltage of the fan 140, when the voltmeter measures that the actual input voltage of the fan 140 is a first voltage, and the fan 140 normally operates under the first voltage, the sliding rheostat is used to divide the input voltage into a second voltage, and when the fan 140 normally operates under the second voltage, the heat dissipation function of the fan 140 in the divided voltage state is qualified.
Wherein the rated input voltage of the fan 140 is between 0-19V.
A connection circuit is disposed in the system 100 for detecting a fan function in a voltage division manner, and the connection circuit is connected in series to the power module 110, the fixing module 120, the processing module 130, the fan 140, and the measuring module 150.
The invention also provides a method for detecting the function of the fan in a pressure-dividing mode, which comprises the following steps:
s101: the circuit is connected with a power supply, a PCB, a slide rheostat, a fan and a voltmeter in series;
s102: electrifying to switch on the power supply;
s103: the slide rheostat divides the input voltage into a first voltage;
s104: the method comprises the steps that a voltmeter measures the actual input voltage of a fan to be a first voltage;
s105: judging whether the fan normally works under a first voltage;
s106: the sliding rheostat divides the input voltage into a second voltage after the test is successful;
s107: the test fails;
s108: the voltmeter measures the actual input voltage of the fan as a second voltage;
s109: judging whether the fan normally works under the second voltage;
s110: the test is successful;
s111: the test failed.
Wherein the first voltage and the second voltage are between 0-19V, the second voltage being greater than the first voltage.
The specific step of step S106 is that when the actual input voltage of the fan tested by the voltmeter is the first voltage, the fan normally operates, which indicates that the heat dissipation function of the fan is qualified.
When the fan works normally under the regulation of the first voltage and the second voltage, the heat dissipation function of the fan is qualified when the input voltage is in a voltage division state.
Compared with the prior art, the system 100 and the method for detecting the fan function by voltage division firstly connect the power supply, the PCB 121, the slide rheostat, the fan 140 and the voltmeter in series through the connecting circuit to be electrified and connected, secondly, the slide rheostat divides the input voltage into the first voltage, when the fan 140 normally works under the first voltage, the slide rheostat divides the input voltage into the second voltage, then, when the fan 140 normally works under the second voltage, the test is successful, which indicates that the heat dissipation function of the fan 140 under the condition that the input voltage is in the voltage division state is qualified, by using the system 100 and the method for detecting the fan function by voltage division, the problems of time and labor waste caused by the fan 140 being assembled to the whole machine for test and short circuit caused by the fan 140 not bearing the change of the output voltage are solved, and the potential safety hazard is eliminated, the method is also suitable for fans 140 of different types, ensures the quality of the fans 140, and greatly improves the detection efficiency of the heat dissipation function of the fans 140.
It should be noted that the present invention is not limited to the above embodiments, and any simple modifications of the above embodiments based on the technical solution of the present invention, equivalent changes and modifications are within the scope of the present invention.
Claims (10)
1. A system for voltage-sharing fan functionality detection, comprising:
the power supply module is used for supplying power;
the fixing module is provided with a PCB, the PCB is provided with a direct current jack, and the direct current jack is used for switching on a power supply;
the processing module is connected with the fixing module, and is provided with an adjusting resistance unit which is used for adjusting the output voltage value in the system with the voltage division type fan detection function, namely the adjusting resistance unit adjusts the voltage by changing the resistance;
the fan is connected with the processing module and has a heat dissipation function;
the measuring module is connected with the fan, a voltage measuring unit and a grounding unit are arranged on the measuring module, the voltage measuring unit is used for measuring the actual input voltage of the fan, the grounding unit is used for grounding, and the grounding unit has the function of protecting an internal circuit of the system.
2. The system for voltage-dividing fan function detection according to claim 1, wherein a slide rheostat is disposed on the adjusting resistor unit, and the slide rheostat has the functions of blocking current and adjusting voltage on the circuit.
3. The system for voltage-dividing fan function detection according to claim 2, wherein the slide rheostat divides the input voltage of the power module into a first voltage and a second voltage respectively.
4. The system for voltage division fan function detection according to claim 1, wherein a voltmeter is disposed on the voltage measurement unit, and the voltmeter measures an actual input voltage of the fan.
5. The system for voltage division fan functionality detection as claimed in claim 1, wherein the rated input voltage of the fan is between 0-19V.
6. The system for detecting fan function according to claim 1, wherein a connection circuit is disposed in the system for detecting fan function according to the voltage division type, and the connection circuit is connected in series with the power module, the fixing module, the processing module, the fan and the measuring module.
7. A method for detecting functions of a fan in a pressure-dividing mode is characterized by comprising the following steps:
(1) the circuit is connected with a power supply, a PCB, a slide rheostat, a fan and a voltmeter in series;
(2) electrifying to switch on the power supply;
(3) the slide rheostat divides the input voltage into a first voltage;
(4) the method comprises the steps that a voltmeter measures the actual input voltage of a fan to be a first voltage;
(5) judging whether the fan normally works under a first voltage;
(6) the sliding rheostat divides the input voltage into a second voltage after the test is successful;
(7) the test fails;
(8) the voltmeter measures the actual input voltage of the fan as a second voltage;
(9) judging whether the fan normally works under the second voltage;
(10) the test is successful;
(11) the test failed.
8. The method of claim 7, wherein the first voltage and the second voltage are between 0-19V, and the second voltage is greater than the first voltage.
9. The method for testing fan function according to claim 7, wherein the step (6) is implemented by testing that the fan is normally operated when the actual driving voltage of the fan is the first voltage, which indicates that the heat dissipation function of the fan is acceptable.
10. The method as claimed in claim 7, wherein when the fan is normally operated under both the first voltage and the second voltage, the fan is qualified in terms of the heat dissipation function when the input voltage is under the divided voltage condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102139.9A CN114370415A (en) | 2020-10-15 | 2020-10-15 | System and method for detecting fan function in voltage division manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102139.9A CN114370415A (en) | 2020-10-15 | 2020-10-15 | System and method for detecting fan function in voltage division manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114370415A true CN114370415A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011102139.9A Pending CN114370415A (en) | 2020-10-15 | 2020-10-15 | System and method for detecting fan function in voltage division manner |
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| Country | Link |
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| CN (1) | CN114370415A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116808A1 (en) * | 1980-04-28 | 1982-03-04 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Automatic blower speed control in an air-conditioning device |
| JP2004260965A (en) * | 2003-02-27 | 2004-09-16 | Matsushita Electric Ind Co Ltd | Fan |
| US20050213275A1 (en) * | 2004-03-26 | 2005-09-29 | Rohm Co., Ltd. | Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same |
| CN104406273A (en) * | 2014-12-25 | 2015-03-11 | 李钢 | Protective circuit of central air-conditioning cooling fan |
| 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 |
| CN207906119U (en) * | 2018-01-29 | 2018-09-25 | 湖南人文科技学院 | One kind automatically controlling fan |
| CN208096560U (en) * | 2017-08-14 | 2018-11-16 | 深圳市派尚环境艺术设计有限公司 | A kind of smart mirror |
| CN109630453A (en) * | 2019-02-28 | 2019-04-16 | 苏州浪潮智能科技有限公司 | A kind of fan control system and server |
-
2020
- 2020-10-15 CN CN202011102139.9A patent/CN114370415A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116808A1 (en) * | 1980-04-28 | 1982-03-04 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Automatic blower speed control in an air-conditioning device |
| JP2004260965A (en) * | 2003-02-27 | 2004-09-16 | Matsushita Electric Ind Co Ltd | Fan |
| US20050213275A1 (en) * | 2004-03-26 | 2005-09-29 | Rohm Co., Ltd. | Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same |
| CN104406273A (en) * | 2014-12-25 | 2015-03-11 | 李钢 | Protective circuit of central air-conditioning cooling fan |
| CN208096560U (en) * | 2017-08-14 | 2018-11-16 | 深圳市派尚环境艺术设计有限公司 | A kind of smart mirror |
| 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 |
| CN207906119U (en) * | 2018-01-29 | 2018-09-25 | 湖南人文科技学院 | One kind automatically controlling fan |
| CN109630453A (en) * | 2019-02-28 | 2019-04-16 | 苏州浪潮智能科技有限公司 | A kind of fan control system and server |
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