CN102999063B - The temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet - Google Patents

The temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet Download PDF

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Publication number
CN102999063B
CN102999063B CN201210403532.0A CN201210403532A CN102999063B CN 102999063 B CN102999063 B CN 102999063B CN 201210403532 A CN201210403532 A CN 201210403532A CN 102999063 B CN102999063 B CN 102999063B
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fan
digital signal
signal processing
temperature
speed digital
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CN102999063A (en
Inventor
严发宝
梅勇
张建
陈刚
涂炯
陈先玉
付斌
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MIANYANG WEIBO ELECTRONIC CO Ltd
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MIANYANG WEIBO ELECTRONIC CO Ltd
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Abstract

The invention provides the temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet, base plate in the hardware of described device is fixed on cabinet, on 6U frame fixed base plate, power module, mainboard and high-speed digital signal processing card card group are inserted in the guide-track groove in 6U frame, fan group is arranged on the adjacent 6U frame position vertical with high-speed digital signal processing card card group installation direction, temperature sensor is installed in the cavity of high-speed digital signal processing card card group, temperature collecting device is utilized according to drafting board card temperature, single-chip computer control system and fan group control end form FEEDBACK CONTROL to fan group after using software to carry out Fuzzy Calculation, the present invention can solve the system that runs up as the heat dissipation problem in high-Speed Digital Signal Processing Platform, radiating efficiency is high, reduce Overall Power Consumption, extend the fan serviceable life of fan group, reduce the noise because fan brings.

Description

The temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet
Technical field
The invention belongs to heat radiation and the control field of electronic equipment, be specifically related to the temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet.
Background technology
At present, high-Speed Digital Signal Processing Platform cabinet is because comprise mainboard, polylith high-speed digital signal processing card, and power consumption is generally all more than upper kilowatt, and therefore thermal value is very large, and requires to have certain environmental suitability.Traditional heat abstractor is all the temperature adopting the heat dissipating method of heat radiator, simultaneously additional fans to reduce cabinet in core hot zone, this way is generally unfavorable for the environmental suitability of product, come off as easily made heat radiator under vibration, and fan cannot installation requirements control according to certain running always, thus waste electric energy.In order to overcome above-mentioned shortcoming, the present invention devises the temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet.
Chinese patent literature storehouse discloses the application for a patent for invention technology that a kind of name is called " electronic equipment and heat abstractor thereof " (number of patent application 201010254337.7), this application for a patent for invention technology discloses a kind of electronic equipment and heat abstractor thereof, electronic equipment comprises a cabinet and and is installed in mainboard in cabinet, heat abstractor is installed on mainboard, mainboard is provided with the slot of a heater element and contiguous heater element, heat abstractor comprises the radiating block that is attached at heater element, one radiating fin, one and the board that fixes of radiating fin and the heat pipe that is connected between radiating block and radiating fin, board comprises one for being plugged in the Plug Division of the slot of mainboard.Compare prior art, electronic equipment of the present invention and heat abstractor thereof utilize a board being plugged in host slot to reinforce radiating fin, can fix larger sized radiating fin, be beneficial to heat radiation.Its weak point is that this application for a patent for invention technology can not be able to not be dispelled the heat for the high-speed figure processing platform cabinet of high power consumption, and this radiating mode power consumption is high, and fan life is short, and noise is large, installs inconvenience simultaneously.
Summary of the invention
The object of this invention is to provide the temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet, the device of high-Speed Digital Signal Processing Platform case radiation can be more suitable for, its environmental suitability can be strengthened, according to corresponding internal temperature, heat abstractor is controlled simultaneously.
The temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet of the present invention comprises hardware components and control software design, and the base plate in hardware components is fixedly connected with cabinet, and 6U frame is fixedly connected on base plate and cabinet two wall; Power module, mainboard are connected with the interface of base plate respectively with the interface of high-speed digital signal processing card card group and are fixed in the guide-track groove in 6U frame; Fan group connects adjacent 6U frame the position vertical with high-speed digital signal processing card card group installation direction in the chassis; The rear panel that two conventional Ian are arranged on cabinet respectively dispels the heat for routine; Temperature sensor is installed in the heat-dissipating cavity of high-speed digital signal processing card card group, and temperature sensor is connected with the temperature collecting device on base plate with base plate by high-speed digital signal processing card card group; Temperature collecting device is transported to single-chip computer control system the data gathered, single-chip computer control system carries out the calculating of control data according to the data of temperature collecting device collection, and give the control end of the fan group on base plate these calculating data, utilize fan group control end to control fan group, the power supply wiring of fan group directly picks out from fan group control end; Control software design is arranged on single-chip computer control system inside, for completing the process of temperature data, and the computing function of fan group control data.
Described fan composing is equipped with six fans, and each high-speed digital signal processing card card is provided with four temperature sensors.
Described base plate is fixedly connected with in the chassis, 6U frame is fixedly connected on the two side of base plate and cabinet, there are in frame 13 card guide rail grooves, board and power module insertion can be carried out easily, base plate has CPCI-E interface and a mainboard interface of six 8 passages, also have five CPCI interfaces simultaneously, this ensure that the connection of digital signal panel card and base plate.
Affiliated CPCI-E interface single channel rate is 5Gbps, CPCI interface is 66MHz/64bit.
Fan group in the present invention is close to frame by the direction vertical with the board of frame and inserts and be connected with the interface of base plate, its power switch is on base plate, another two fans conveniently installation method are arranged on the both sides of the rear wall of cabinet, upper electric-opening, carry out conventional heat conduction.
Automatic temp controller of the present invention is exactly utilize temperature sensor that the board temperature in high-Speed Digital Signal Processing Platform cabinet is evenly gathered in fact, then fuzzy algorithm computing is carried out according to these temperature datas, the result of this computing is utilized to carry out the control of fan group fan, this process sets up into a closed-loop control, when the temperature decreases, rotation speed of the fan also can correspondingly reduce, reduce the fan power consumption of cabinet to a certain extent, extend the life-span of fan simultaneously, add the overall service time of product.
The inside cavities of each high-speed digital signal processing card card posts four temperature sensors, its position can be installed according to the shape of board, temperature in uniform collection high-Speed Digital Signal Processing Platform on board, these temperature are connected with the temperature collecting device on base plate by the interface on board, harvester is fed in these data 51 single-chip microcomputers on base plate, first utilize simple switch to judge the board heating of which slot in frame at most in the inside of this single-chip microcomputer, then judge whether have vacant slot etc., after the comprehensive data that these gather of single-chip microcomputer carry out fuzzy algorithm, result being outputted to is connected on fan group control end pin that pin is input in design on base plate, the speed of fan is controlled by the numeral exporting a magnitude of voltage, the effect done like this is: if the board heat dissipation capacity corresponding to certain fan in fan group is large especially, then this fan then full-speed operation, if heat dissipation capacity is not very large, the board in this region is then made all to keep a certain temperature during this fan running, if several pieces of board vacancies that certain fan is corresponding, fuzzy algorithm is then utilized not operate by this fan.
Described control software design comprises the steps:
A) opening power, start this device, collecting temperature value, carry out the comparison of sensor temperature values, be arranged in single-chip microcomputer storer in advance by the value compared, the fuzzy value of maximal value is the maximum (top) speed of the fan of 1 correspondence position, and the fuzzy value lower than minimum value is 0 namely do not need to utilize fan, and in advance the temperature value between maximum temperature values and minimum temperature value is utilized first staging treating;
B) value also existed after segmentation is carried out rounding up draw certain region, the result finally obtained is 2 significant digits effective value;
C) utilize this fuzzy value correspondence to calculate the magnitude of voltage of fan group control end output, utilize the interface of single-chip microcomputer to export to fan group control end this magnitude of voltage;
D) the board position of measured temperature is determined according to the position of temperature sensor, according to the magnitude of voltage numerical value that fan group control end exports, the fan of correspondence position in fan group is controlled, if do not shut down, return collecting temperature data, shutdown then terminates whole flow process.
High-Speed Digital Signal Processing Platform cabinet of the present invention is high for power consumption specially with temperature automatically controlled heat abstractor, the high-Speed Digital Signal Processing Platform chassis design that thermal value is large, utilize temperature sensor, fan control end and fan group, high-speed digital signal processing card card metallic cavity is wrapped up simultaneously, the fan of fan group is utilized to get rid of after complete machine heat is shed by the cavity of board, more be beneficial to heat radiation, radiating efficiency is higher, whole cooling system forms a feedback control system simultaneously, reduce Overall Power Consumption, extend the fan serviceable life of fan group, also reduce the noise because fan brings simultaneously.
Accompanying drawing explanation
Fig. 1 is the physical structure figure of the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet of the present invention;
Fig. 2 is the control block diagram of the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet of the present invention;
Fig. 3 is the program flow diagram of the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet of the present invention;
In figure, 1. cabinet 2. conventional Ian 3. power module 4.6U frame 5. fan group 6. high-speed digital signal processing card card group 7. mainboard 8. base plate 9. temperature sensor 10. temperature collecting device 11. single-chip computer control system 12. fan group control end.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet of the present invention, mainly comprise hardware components and control software design, base plate 8 in hardware components utilizes screw to be fixed on cabinet 1 closely, then utilize reinforcing screw that 6U frame 4 is fixed on base plate 8 and cabinet two wall, power module 3, mainboard 7 and high-speed digital signal processing card card group 6 grade are inserted in the guide-track groove in 6U frame 4, its interface is consistent with the interface that base plate 8 provides, fan group 5 is inserted into adjacent 6U frame 4 in cabinet 1 and the position vertical with high-speed digital signal processing card card group 6 installation direction, the rear panel that two conventional Ian 2 are arranged on cabinet 1 dispels the heat for routine, the heat-dissipating cavity that temperature sensor 9 is installed on high-speed digital signal processing card card group 6 is inner, each high-speed digital signal processing card card has four temperature sensors 9, temperature sensor 9 is connected with the temperature collecting device 10 on base plate 8 with base plate 8 by high-speed digital signal processing card card group 6, temperature collecting device 10 gives single-chip computer control system 11 the data gathered, single-chip computer control system 11 carries out the calculating of control data according to the data that temperature collecting device 10 gathers, and the fan group control end 12 these calculating data given on base plate 8, fan group control end 12 pairs of fan groups 5 are utilized to control, the power supply wiring of fan group 5 directly picks out from fan group control end 12, the functions such as software section mainly refers to single-chip computer control system 11 internal processes, completes the process of temperature data, the calculating of fan group control data.
Described fan group 5 has six fans.
The high-speed digital signal processing card card quantity that described high-speed digital signal processing card card group 6 is arranged is two to ten one.
The interface of described base plate 8 has CPCI interface and CPCI-E interface.
Six rotation speeds of the fan of described fan group 5 can be controlled by voltage swing, when the voltage supplying fan can start fan turns but be no more than its rated voltage, the height of voltage is directly proportional to rotating speed, and the physical size size of fan can be carried out replacing according to the size of actual cabinet mid frame and be selected.
Described 6U frame 4 has 13 board slots, wherein has two special slots to design according to power module 3 and mainboard 7 respectively, and all the other 11 slots are all left high-speed digital video camera card for and used.
The size of described base plate 8 designs according to 6U frame 4, the interface of base plate 8 designs according to the interface of power module 3 and mainboard 7 respectively, simultaneously also be designed with CPCI interface and CPCI-E interface for high-speed digital signal processing card card group 6, be used for meeting the demand of high-speed digital video camera.
Described high-speed digital signal processing card card group 6, as the vitals of heating, is all wrapped up with cavity its board, is beneficial to better heat radiation, and mainboard 7 also wraps up by metallic cavity simultaneously.
Described temperature sensor 9 can select DS18B20, and what single-chip computer control system was selected is multiple 51 series monolithics.
The described method utilizing single-chip computer control system 11 to carry out calculating is as follows:
A) opening power, start this device, collecting temperature value, carry out the comparison of sensor temperature values, be arranged in single-chip microcomputer storer in advance by the value compared, the fuzzy value of maximal value is the maximum (top) speed of the fan of 1 correspondence position, and the fuzzy value lower than minimum value is 0 namely do not need to utilize fan, and in advance the temperature value between maximum temperature values and minimum temperature value is utilized first staging treating;
B) value also existed after segmentation is carried out rounding up draw certain region, the result finally obtained is 2 significant digits effective value, such as 0.55;
C) utilize this fuzzy value correspondence to calculate the magnitude of voltage of fan group control end 12 output, utilize the interface of single-chip microcomputer to export to fan group control end 12 this magnitude of voltage;
D) the board position of measured temperature is determined according to the position of temperature sensor 9, according to the magnitude of voltage numerical value that fan group control end 12 exports, the fan of correspondence position in fan group 5 is controlled, if do not shut down, return collecting temperature data, shutdown then terminates whole flow process.

Claims (5)

1. the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet, it is characterized in that, described device comprises hardware components and control software design, and the base plate (8) in hardware components is fixedly connected with cabinet (1), and 6U frame (4) is fixedly connected on base plate (8) and cabinet two wall; Power module (3), mainboard (7) are connected with the interface of base plate (8) respectively with the interface of high-speed digital signal processing card card group (6) and are fixed in the guide-track groove in 6U frame (4); Fan group (5) is connected to adjacent 6U frame (4) in cabinet (1) and the position vertical with high-speed digital signal processing card card group (6) installation direction; Two conventional Ian are arranged on the rear panel of cabinet (1) respectively for conventional heat radiation; Temperature sensor (9) is installed in the heat-dissipating cavity of high-speed digital signal processing card card group (6), and temperature sensor (9) is connected with the temperature collecting device (10) on base plate (8) with base plate (8) by high-speed digital signal processing card card group (6); The data that temperature collecting device (10) gathers are transported to single-chip computer control system (11), single-chip computer control system (11) carries out the calculating of control data according to the data that temperature collecting device (10) gathers, and the fan group control end (12) these calculating data are transported on base plate (8), utilize fan group control end (12) to control fan group (5), the power supply wiring of fan group (5) directly picks out from fan group control end (12); It is inner that described control software design is arranged on single-chip computer control system (11), for completing the process of temperature data, and the computing function of fan group control data;
Described control software design comprises the steps:
A) opening power, start this device, collecting temperature value, carry out the comparison of sensor temperature values, be arranged in single-chip microcomputer storer in advance by the value compared, the fuzzy value of maximal value is the maximum (top) speed of the fan of 1 correspondence position, and the fuzzy value lower than minimum value is 0 namely do not need to utilize fan, and in advance the temperature value between maximum temperature values and minimum temperature value is utilized first staging treating;
B) value also existed after segmentation is carried out rounding up draw certain region, the result finally obtained is 2 significant digits effective value;
C) magnitude of voltage utilizing this fuzzy value correspondence to calculate fan group control end (12) to export, utilizes the interface of single-chip microcomputer to export to fan group control end (12) this magnitude of voltage;
D) the board position of measured temperature is determined according to the position of temperature sensor (9), according to the magnitude of voltage numerical value that fan group control end (12) exports, the fan of correspondence position in fan group (5) is controlled, if do not shut down, return collecting temperature data, shutdown then terminates whole flow process.
2. the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet according to claim 1, is characterized in that: described fan group (5) is provided with six fans.
3. the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet according to claim 1, is characterized in that: the quantity of the high-speed digital signal processing card card that described high-speed digital signal processing card card group (6) is arranged is two to ten one.
4. the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet according to claim 3, is characterized in that: described high-speed digital signal processing card card is provided with four temperature sensors.
5. the temperature automatically controlled heat abstractor of high-Speed Digital Signal Processing Platform cabinet according to claim 1, is characterized in that: the interface of described base plate (8) adopts CPCI interface and CPCI-E interface.
CN201210403532.0A 2012-10-22 2012-10-22 The temperature automatically controlled heat abstractor of a kind of high-Speed Digital Signal Processing Platform cabinet Active CN102999063B (en)

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CN106445032A (en) * 2016-10-14 2017-02-22 柳州译海网络科技有限公司 Heat-balancing heat dissipation device for computer
CN108235564B (en) * 2018-01-29 2020-06-16 广东源创智能科技有限公司 PCBA board for controlling touch screen

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CN201611439U (en) * 2009-12-22 2010-10-20 山东超越数控电子有限公司 Vehicle-mounted control terminal based on VPX bus and reinforcement technology
CN201765547U (en) * 2010-06-13 2011-03-16 研祥智能科技股份有限公司 Plug-in type fan cooling device and CPCI industrial control computer thereof

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Publication number Priority date Publication date Assignee Title
CN1412646A (en) * 2001-10-19 2003-04-23 联想(北京)有限公司 Computer temperature control device and method
CN201611439U (en) * 2009-12-22 2010-10-20 山东超越数控电子有限公司 Vehicle-mounted control terminal based on VPX bus and reinforcement technology
CN201765547U (en) * 2010-06-13 2011-03-16 研祥智能科技股份有限公司 Plug-in type fan cooling device and CPCI industrial control computer thereof

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