CN218882575U - Universal fan testing system - Google Patents
Universal fan testing system Download PDFInfo
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- CN218882575U CN218882575U CN202223131181.0U CN202223131181U CN218882575U CN 218882575 U CN218882575 U CN 218882575U CN 202223131181 U CN202223131181 U CN 202223131181U CN 218882575 U CN218882575 U CN 218882575U
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000013522 software testing Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a general fan test system belongs to fan test technical field, including power supply module, singlechip and 7pin fan interface, the singlechip power supply is given to the power, and 7pin fan interface is connected to the singlechip, has two positive pole interfaces, a negative pole interface, two fan speed detection interfaces and two PWM speed governing interfaces in the 7pin fan interface. The utility model discloses use 7pin fan interface connection fans for a general fan interface can insert two line fans or two three line fans or two four-wire fans simultaneously, and the convenience is better, efficiency of software testing is high, the cost is lower.
Description
Technical Field
The utility model belongs to the technical field of the fan test, specifically a general fan test system.
Background
The fan is a device which is driven by electricity to generate air flow and is used in the fields of computers, instruments, equipment and the like. The existing fans can be divided into two-wire fans, three-wire fans and four-wire fans, but the testing systems of the two-wire fans, the three-wire fans and the four-wire fans in the prior art are not unified, so that the fan testing systems are not universal, a plurality of fan testing systems are needed when different fans are tested, and the fan testing systems are poor in convenience and high in cost.
Therefore, the utility model provides a general fan test system to solve the problem that proposes among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a general fan test system for solve the fan test system among the prior art not general, need a plurality of fan test systems during the different fans of test, the lower and higher technical problem of cost of convenience.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a general fan test system, includes power supply module, singlechip and 7pin fan interface, the power gives the singlechip power supply, 7pin fan interface is connected to the singlechip, there are two positive pole interfaces, a negative pole interface, two fan speed detection interfaces and two PWM (Pulse width modulation) speed governing interfaces in the 7pin fan interface.
As the utility model discloses further scheme again: 7pin fan interface has a plurality of, a plurality of 7pin fan interface all with the singlechip is connected for can test a plurality of the same fans simultaneously, improve efficiency of software testing.
As a further aspect of the present invention: the single chip microcomputer is further connected with a single chip microcomputer serial port, the single chip microcomputer serial port collects information in the single chip microcomputer, and the information collected in the single chip microcomputer can be sent to an upper computer.
As the utility model discloses further scheme again: the serial port of the single chip microcomputer is provided with single chip microcomputer serial port software which is matched with the serial port of the single chip microcomputer, the single chip microcomputer serial port software can send instructions to the single chip microcomputer through the serial port of the single chip microcomputer, the single chip microcomputer serial port software can read information output by the single chip microcomputer through the serial port of the single chip microcomputer, and a user can observe the state of a tested fan in an upper computer conveniently.
Compared with the prior art, the beneficial effects of the utility model are that:
the fan is connected by using the 7pin fan interface, so that one universal fan interface can be simultaneously connected into two-wire fans or two three-wire fans or two four-wire fans, and the fan testing device is good in convenience, high in testing efficiency and low in cost.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a general fan testing system.
In the figure: 1. a power supply component; 11. a power source; 12. a power conversion chip; 2. a single chip microcomputer; 21. a serial port of the singlechip; 3. 7pin fan interface; 4. a fan; 5. and (4) an upper computer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a two line fans are the fan of only positive polar line and negative pole line, as long as connect suitable voltage on positive polar line and negative pole line, two line fans will rotate at full speed, and speed is not adjustable. The two-wire fan, although easily controllable, has no speed feedback. The upper computer 5 cannot collect the running conditions (including the rotation condition and the rotating speed) of the two-wire fan, and when the two-wire fan fails, the upper computer 5 cannot monitor the running conditions of the two-wire fan and cannot prompt a user of fault information, so that the power cannot be cut off in time, and a circuit is still in a connected state; when the two-wire fan is switched on without rotating, heat generation of equipment is increased rapidly, and hidden heat dissipation hazards are generated.
The utility model provides a three-wire fan is except having positive polar line and negative pole line, and fan speed feedback line in addition, host computer 5 can be through the rotational speed of three-wire fan of fan speed feedback line real time monitoring. After the three-wire fan is started, when the rotating speed of the three-wire fan is zero, the upper computer 5 can judge that the three-wire fan has a fault or is absent, and then prompt fault information to a user, and power is cut off.
The utility model provides a four-wire fan indicates the fan that has positive polar line, negative pole line, fan rotational speed feedback line and PWM speed governing line, possess adjustment voltage and adjustment PWM signal dual mode, control the rotational speed including duty cycle and frequency dual mode, specific characteristics as follows:
1. the four-wire fan can adjust different rotating speeds according to the temperature change of the heat dissipation element, and the rotating speed change of the four-wire fan can be four-level, five-level or even more. The four-wire fan is very sensitive to variations in the speed of rotation, which are almost synchronized with the temperature of the components requiring heat dissipation.
2. The four-wire fan can be maintained at a very low rotational speed during standby of the device. When the equipment is in standby, the rotating speed of the equipment is low, so that the running noise is greatly reduced. The designed maximum speed of rotation only occurs when the temperature of the heat-dissipating component is required to approach the limit temperature. Compared with the traditional temperature control fan, the fan has a larger rotating speed control range, and better solves the problems of noise and energy conservation.
Referring to fig. 1, in an embodiment of the present invention, a universal fan testing system includes a power supply module 1, a single chip microcomputer 2, and a 7pin fan interface 3, where the power supply module 1 supplies power to the single chip microcomputer 2, and the single chip microcomputer 2 is connected to the 7pin fan interface 3, and the 7pin fan interface 3 has two positive interfaces, one negative interface, two fan speed detection interfaces, and two PWM speed adjustment interfaces. Make a 7pin fan interface 3 can insert two line fans or two three-wire fans or two four-wire fans simultaneously, the convenience is better, efficiency of software testing is high, the cost is lower.
In embodiment 1, please refer to fig. 1, the serial port 21 of the single chip microcomputer has adaptive serial port software, the single chip microcomputer software is installed on the upper computer 5, the single chip microcomputer serial port software can send an instruction to the single chip microcomputer 2 through the serial port 21 of the single chip microcomputer, the single chip microcomputer serial port software can also read information output by the single chip microcomputer 2 through the serial port 21 of the single chip microcomputer, the single chip microcomputer serial port software is installed in the upper computer 5, the state of the fan 4 can be displayed in the single chip microcomputer serial port software, a user can observe the state of the tested fan 4 in the upper computer 5 conveniently, and the state of the fan 4 comprises the rotating speed, the temperature and the like of the fan 4.
The steps of testing the fan 4 using the fan testing system are as follows:
the method comprises the following steps: connecting every two of the eight fans 4 into one 7pin fan interface 3 to obtain four 7pin fan interfaces 3 connected with the two fans 4;
step two: four 7pin fan interfaces 3 are connected to the singlechip 2;
step three: connecting a singlechip 2 with a power supply assembly 1;
step four: burning a speed-controllable program on the singlechip 2, namely adjusting the duty ratio;
step five: the upper computer 5 is connected through the serial port 21 of the single chip microcomputer, and the state of the fan 4 is checked through serial port software;
step six: inputting instructions in the serial port software of the single chip microcomputer to control the gears of the fan 4, namely a first gear of the fan 4, a second gear of the fan 4, a third gear of the fan 4 and a fourth gear of the fan 4, and checking the wind speed change of the fan 4 and the rotating speed change displayed by the serial port software of the single chip microcomputer at the moment;
step seven: and carrying out a reliability cycle test of gear change or a continuous working test of a maximum power gear and a minimum power gear according to the test requirements, and inspecting the performance of the fan 4.
In this embodiment, the fans 4 are all four-wire fans.
In this embodiment, the fan 4 has four gears, which are a first gear of the fan 4, a second gear of the fan 4, a third gear of the fan 4, and a fourth gear of the fan 4, and the power of the fan is sequentially increased.
In this embodiment, one 7pin fan interface 3 is connected to two four-wire fans, positive lines of the two four-wire fans are connected to one positive interface, negative lines of the two four-wire fans are connected to one negative interface, fan speed feedback lines of the two four-wire fans are connected to one fan speed detection interface, and PWM speed regulation lines of the two four-wire fans are connected to one PWM speed regulation interface.
In this embodiment, 7pin fan interface 3 has a plurality of, and a plurality of 7pin fan interface 3 all is connected with singlechip 2 for can test a plurality of the same fans simultaneously, improve efficiency of software testing.
In this embodiment, the required operating voltage of the single chip microcomputer 2 is 3.3V.
In this embodiment, the power supply module 1 includes a power supply 11 and a power conversion chip 12.
In this embodiment, the power supply 11 is connected to the power conversion chip 12, and the power conversion chip 12 is connected to the single chip microcomputer 2.
In this embodiment, the output voltage of the power supply 11 is 12V.
In this embodiment, the power conversion chip 12 converts 12V to 3.3V.
In this embodiment, the single chip microcomputer 2 is further connected with a single chip microcomputer serial port 21, the single chip microcomputer serial port 21 collects information in the single chip microcomputer 2, and the information collected in the single chip microcomputer 2 can be sent to the upper computer 5.
In this embodiment, the upper computer 5 may be a computer, a mobile phone, or a tablet, and is not limited to a specific computer that can directly issue a control command.
In embodiment 2, referring to fig. 1, the fans 4 are all three-wire fans, and the steps of testing the fans 4 by using the fan testing system are as follows:
the method comprises the following steps: connecting every two of the eight fans 4 into one 7pin fan interface 3 to obtain four 7pin fan interfaces 3 connected with the two fans 4;
step two: four 7pin fan interfaces 3 are connected to the singlechip 2;
step three: connecting a singlechip 2 with a power supply assembly 1;
step four: programming a program for regulating voltage on the singlechip 2;
step five: the fan is connected with the upper computer 5 through the singlechip serial port 21, and whether the fan works or not can be known through singlechip serial port software;
step six: and instructions are input into the serial port software of the single chip microcomputer to control the starting and stopping of the fan 4, and the performance of the fan 4 is inspected.
In the embodiment, one 7pin fan interface 3 is connected with two three-wire fans, positive wires of the two three-wire fans are respectively connected with one positive interface, negative wires of the two three-wire fans are connected with one negative interface, fan rotating speed feedback wires of the two three-wire fans are respectively connected with one fan rotating speed detection interface, and the two PWM speed regulation interfaces are vacant.
In this example, the other points are the same as those in example 1.
In embodiment 3, referring to fig. 1, the fans 4 are two-wire fans, and the steps of testing the fan 4 by using the fan testing system are as follows:
the method comprises the following steps: connecting every two of the eight fans 4 into one 7pin fan interface 3 to obtain four 7pin fan interfaces 3 connected with the two fans 4;
step two: four 7pin fan interfaces 3 are connected to the singlechip 2;
step three: connecting a singlechip 2 with a power supply assembly 1;
step four: the fan 4 is started and the performance of the fan 4 is examined.
In this embodiment, one 7pin fan interface 3 is connected to two-wire fans, the positive wires of the two-wire fans are respectively connected to one positive interface, the negative wires of the two-wire fans are connected to one negative interface, and the two fan speed detection interfaces and the two PWM speed regulation interfaces are idle.
In this example, the other points are the same as those in example 1.
The present invention is limited only by the claims and the full scope and equivalents thereof, and moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated features is essential. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (4)
1. A universal fan testing system, comprising: power supply module (1), singlechip (2) and 7pin fan interface (3), power supply module (1) gives singlechip (2) power supply, singlechip (2) are connected 7pin fan interface (3), there are two positive pole interfaces, a negative pole interface, two fan speed detection interfaces and two PWM speed governing interfaces in 7pin fan interface (3).
2. The universal fan testing system according to claim 1, wherein there are several 7pin fan interfaces (3), and the 7pin fan interfaces (3) are all connected to the single chip microcomputer (2).
3. A universal fan testing system according to claim 1, wherein the single chip microcomputer (2) is further connected to a single chip microcomputer serial port (21).
4. A universal fan testing system according to claim 3, wherein the serial port of the single chip microcomputer (21) has a compatible serial port software, the serial port software can send an instruction to the single chip microcomputer (2) through the serial port of the single chip microcomputer (21), and the serial port software can read information output by the single chip microcomputer (2) through the serial port of the single chip microcomputer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223131181.0U CN218882575U (en) | 2022-11-24 | 2022-11-24 | Universal fan testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223131181.0U CN218882575U (en) | 2022-11-24 | 2022-11-24 | Universal fan testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218882575U true CN218882575U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223131181.0U Active CN218882575U (en) | 2022-11-24 | 2022-11-24 | Universal fan testing system |
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| CN (1) | CN218882575U (en) |
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- 2022-11-24 CN CN202223131181.0U patent/CN218882575U/en active Active
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