CN103237439B - Rack and this rack control the method for air quantity - Google Patents
Rack and this rack control the method for air quantity Download PDFInfo
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Abstract
The present invention discloses a kind of rack, it comprises cabinet body, cooling air-conditioning is set outside cabinet body, cabinet body is arranged be connected with air conditioner air outlet, return air inlet respectively air delivery duct, air-return duct, air delivery duct and cabinet body junction arrange the first air quantity controller, and air-return duct and cabinet body junction arrange the second air quantity controller; Also comprise temperature-detecting device and control module, control module is connected with temperature-detecting device, the first air quantity controller, the second air quantity controller respectively.Adopt this to design; closed air circulation loop can be formed between cabinet body and air-conditioning; reduce the load area of air-conditioning; shorten the air-conditioning temperature-reducing time; at air delivery duct and air-return duct and cabinet body junction, all air quantity controller is set; achieve accurate air-feeding and return air, and air quantity can be regulated in real time according to the variations in temperature in cabinet body, a good protective effect is played to the operational environment of interior of equipment cabinet part.
Description
Technical field
The present invention relates to machine room refrigeration technology field, particularly relate to a kind of rack, and this rack accurately controls the method for air quantity.
Background technology
According to statistics, in the middle of the energy consumption composition that machine room is huge, air conditioning energy consumption occupies more than 40%.In order to the long-time of Deterministic service device runs reliably, server room configures 24 hours air-conditionings usually to reduce computer room temperature.Current most machine room heat radiation strategy reduces the temperature of erection unit in each rack and rack by rack provided with fan while of reduction machine room bulk temperature.
Cabinet temperature is reduced by reducing machine room bulk temperature, in room, cold is passed in rack needs through rack, extend the time of server cooling to a certain extent, easily cause room temperature very low, the situation that temperature in rack but remains high, simultaneously to the mode of whole machine room air-supply cooling, increase cooling area, add the operating time of air-conditioning equipment, too increase the loss of cold and the consumption of the energy, although some enclosure top is equipped with radiator fan, make the server radiating effect at top better, but the server radiating effect of middle lower curtate is not but very desirable.
In order to solve this technical barrier, technical staff is had to propose the direct technical scheme be communicated with rack of a kind of air-conditioning.Such as, Chinese patent literature CN202713866U open a kind of " cooling system for computer case ", it supply air duct comprising air-conditioning, be communicated with the air-conditioner air outlet being located at air-conditioning bottom, also comprise the baffle plate of the return airway being located at each enclosure top, each rear of cabinet, described return airway is communicated with the return air inlet for air-conditioner being located at air-conditioning top, be equipped with a rack air intake vent bottom each rack, rack air intake vent communicates with supply air duct, and rack air intake vent place is provided with can the slip lid of slide anteroposterior.Although this energy-saving cool-down rack is by being directly communicated with refrigeration air-conditioner, forms the kind of refrigeration cycle closed, improving cooling rate.But, because this cooling system for computer case controls air quantity by means of only the slip lid bottom rack, the accurate control to air quantity cannot be reached, temperature can not be realized equally coordinate with the real-time of air force, cause the significant wastage of cold air resource, reduce the refrigerating efficiency of rack and the utilance of resource.
Summary of the invention
One object of the present invention, be to provide a kind of rack, it is by being directly communicated with cabinet body with air-conditioning, cooling air is made to form closed circulation circuit in cabinet body and air-conditioning, and enter by air-conditioning the exit that the porch of cabinet body and air enter air-conditioning by cabinet body at air and all air quantity controller is set, the air quantity making to enter rack body interior and the air quantity of being discharged by cabinet body all can obtain controlling comparatively accurately, the temperature in cabinet body is made to remain in a comparatively balanced region, make use of resource fully, effectively prevent the waste of the energy, optimize and improve the refrigerating efficiency of rack.
Another object of the present invention, be to provide a kind of rack to control the method for air quantity, it adopts above-mentioned rack, make Boiler pressure control automation and variation more, namely control module can be utilized automatically to carry out Boiler pressure control, also manual Boiler pressure control is carried out by hand switch and manual knob, whole control procedure is very simple, control precision is higher, the temperature in cabinet body can be made to remain in a comparatively balanced region, make use of resource fully, effectively prevent the waste of the energy, optimize and improve the refrigerating efficiency of rack.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of rack, comprise cabinet body, in cabinet body, the air-conditioning for lowering the temperature to cabinet body inside is set outward, described cabinet body is arranged air delivery duct and air-return duct, described air delivery duct is communicated with the air outlet of air-conditioning, described air-return duct is communicated with the return air inlet of air-conditioning, described air delivery duct and described cabinet body junction arrange the first air quantity controller for controlling to be sent into by air-conditioning the air quantity in cabinet body, and described air-return duct and described cabinet body junction arrange the second air quantity controller for controlling the air quantity sent by cabinet body;
Also comprise temperature-detecting device and control module, the input of described control module is connected with described temperature-detecting device, and the output of described control module is connected with described first air quantity controller, the second air quantity controller respectively.
As a kind of preferred version of rack, described air delivery duct and cabinet body joint arrange air inlet, and described air-return duct and cabinet body joint set out air port;
Described first air quantity controller comprises the air-supply air-valve being movably set in air inlet, described air-supply air-valve side arranges the electric pushrod for controlling the movement of air-supply air-valve, described electric pushrod is connected with control module, can control electric pushrod drive air-supply air-valve to move to make described control module;
Described second air quantity controller comprises the return air fan that at least two are fixedly installed on air outlet place, and each described return air fan is connected with control module, can control return air fan work to make described control module.
By arranging the air-supply air-valve of the openings of sizes of adjusting air inlet mouth at air inlet, the air quantity of the cooling air being sent into cabinet body inside by air-conditioning can be controlled accurately, accurately can control air output, at air outlet, at least two return air fans are set, the quantity of opening return air fan can be utilized to control to be passed out to by cabinet body the air quantity of the air after the heat exchange of air-conditioning accurately, can accurately control return air amount, and the electric pushrod and the Air Blast fan that control the movement of air-supply air-valve are all connected with control module, automatic control can be realized, promote control rate, improve control precision, reduce labour intensity.
As a kind of preferred version of rack, described air delivery duct/air-return duct is arranged on bottom described cabinet body, and described air-return duct/air delivery duct is arranged on the top of described cabinet body.
Preferably, described air delivery duct/air-return duct is arranged on described cabinet body side.
The position of air delivery duct and air-return duct is not necessarily arranged on bottom or the top of cabinet body, the any position in cabinet body can also be arranged on, as long as can make the cold air sent into by air delivery duct can in cabinet body after effective heat exchange, again by air-return duct by the air circulation after heat exchange in air-conditioning, certainly air delivery duct and air-return duct are separately positioned on bottom and the top of cabinet body, this scheme can be used as most preferred scheme, can realize heat exchange fully like this.
As a kind of preferred version of rack, described temperature-detecting device comprises the temperature sensor be arranged in described cabinet body and the temperature display be arranged at outside cabinet body, and described temperature sensor is connected with control module and temperature display respectively.
Set temperature transducer the temperature in cabinet body is real-time can send control module to, and control module also according to the real-time unlatching of temperature or can close the first air quantity controller and the second air quantity controller, realizes the accurate object controlling air quantity.
As a kind of preferred version of rack, described air-return duct and cabinet body junction arrange four described return air fans.
Further, four described return air fans are respectively the first return air fan, the second return air fan, the 3rd return air fan and the 4th return air fan, and these four return air fans are connected with control module respectively, and such control module can start this four return air fans respectively.
As a kind of preferred version of rack, also arrange warning device in described cabinet body, described warning device is connected with control module, return air fan respectively, and when going wrong to make described return air fan, control module can control warning device and report to the police.
Warning device is set and can sends warning when return air fan goes wrong, remind maintenance personal change as soon as possible or keep in repair, prevent from, because return air amount makes the temperature of cabinet body inside too high not, ensureing the normal work of interior of equipment cabinet part.
As a kind of preferred version of rack, described control module is arranged for controlling the first switch of the manual/auto work of electric pushrod and the second switch for controlling the manual/auto work of return air fan;
Corresponding each described return air fan all arranges the hand switch being used for manually opened return air fan in described cabinet body, described cabinet body is also arranged the manual knob being used for manually promoting electric pushrod.
Further, corresponding described first return air fan arranges the first hand switch, and corresponding described second return air fan arranges the second hand switch, and corresponding described 3rd return air fan arranges the 3rd hand switch, and corresponding described 4th return air fan arranges the 4th hand switch.
Further, described manual knob arranges fourth gear, is respectively 0 ° of shelves, 90 ° of shelves, 180 ° of shelves, 270 ° of shelves, when rotating to 90 ° of shelves by 0 ° of shelves, electric pushrod promotes air-supply air-valve forward and moves, make air inlet open 1/3, when rotating to 180 ° of shelves by 90 ° of shelves, electric pushrod promotes air-supply air-valve forward and moves, air inlet is made to continue unlatching 1/3, when rotating to 270 ° of shelves by 180 ° of shelves, electric pushrod promotes air-supply air-valve forward and moves, and air inlet is all opened;
Otherwise, when rotating to 180 ° of shelves by 270 ° of shelves, electric pushrod promotes the oppositely movement of air-supply air-valve, make air inlet close 1/3, when rotating to 90 ° of shelves by 180 ° of shelves, electric pushrod promotes the oppositely movement of air-supply air-valve, air inlet is made to continue closedown 1/3, when rotating to 0 ° of shelves by 90 ° of shelves, electric pushrod promotes the oppositely movement of air-supply air-valve, makes air inlet Close All.
Rack controls a method for air quantity, comprises the following steps:
The first step: make rack and air-conditioning keep the state be unlocked, first return air fan that control module controls air-return duct is opened;
Second step, make the first switch and second switch be positioned at automatic transmission position, now enter and automatically control air quantity program;
Temperature sensor detects the temperature in cabinet body, send the temperature detected to control module, control module is selected open return air fan or close return air fan according to the size of temperature, and select the open degree of air-supply air-valve, control module sends the size of temperature to temperature display simultaneously;
3rd step, make the first switch and second switch be positioned at manual position, now enter Non-follow control air quantity program;
Temperature sensor detects the temperature in cabinet body, send the temperature detected to control module, control module sends the size of temperature to temperature display, according to the temperature on temperature display, the hand switch of control return air fan is held open or closed condition, and makes the manual knob of control electric pushrod keep rotating forward or reverse rotation state.
The first air quantity controller that utilization is arranged in cabinet body and the second air quantity controller can realize the accurate control of air quantity, and utilize control module to control the first air quantity controller and the second air quantity controller respectively, the automatic control of air quantity can be realized, utilize hand switch and manual knob that cabinet body is arranged simultaneously, the Non-follow control of air quantity can be realized, make Boiler pressure control automation and variation more like this, whole control procedure is very simple, control precision is higher, the temperature in cabinet body can be made to remain in a comparatively balanced region, make use of resource fully, effectively prevent the waste of the energy, optimize and improve the refrigerating efficiency of rack.
A kind of preferred version of the method for air quantity is controlled as rack,
Described automatic control air quantity program comprises the steps:
Make rack and air-conditioning keep the state be unlocked, first return air fan that control module controls air-return duct is opened;
Make the first switch and second switch be positioned at automatic transmission position, now enter and automatically control air quantity program;
When cabinet body internal temperature is between T1 and T2, control module controls second return air fan and opens, and the electric pushrod of control module control simultaneously promotes air-supply air-valve forward and moves, and makes air inlet open 1/3;
After t minute, if cabinet body internal temperature does not drop to below T1, control module controls the 3rd return air fan and opens, and the electric pushrod of control module control simultaneously promotion air-supply air-valve continues forward and moves, and makes air inlet open 1/3 once again;
Again after t minute, if cabinet body internal temperature does not also drop to below T1, control module controls the 4th return air fan and opens, and the electric pushrod of control module control simultaneously promotion air-supply air-valve continues forward and moves, make air inlet open 1/3 once again, now air outlet is opened completely;
When cabinet body internal temperature is higher than T2, control module controls warning device and reports to the police;
When cabinet body internal temperature is between T3 and T4, control module controls first return air fan and closes, and control module controls electric pushrod and promotes the oppositely movement of air-supply air-valve simultaneously, makes air inlet close 1/3;
After t minute, if cabinet body internal temperature does not rise to more than T4, control module controls second return air fan and closes, and the electric pushrod of control module control simultaneously promotes air-supply air-valve to be continued oppositely to move, and makes air inlet close 1/3 once again;
Again after t minute, if cabinet body internal temperature does not rise to more than T4, control module controls the 3rd return air fan and closes, the electric pushrod of control module control simultaneously promotes air-supply air-valve to be continued oppositely to move, make air inlet close 1/3 once again, now air outlet is closed by air-supply air-valve completely;
When cabinet body internal temperature is at below T3, control module controls the 4th return air fan and closes;
Circulation like this, until temperature remains between T3 and T1;
Described temperature value T1, T2, T3, T4 meet following relational expression: 25 DEG C≤T4 < T3 < T1 < T2≤40 DEG C, described time t is 3 ~ 5 minutes.
A kind of preferred version of the method for air quantity is controlled as rack,
Described Non-follow control air quantity program comprises the steps:
Make rack and air-conditioning keep the state be unlocked, first return air fan that control module controls air-return duct is opened;
Make the first switch and second switch be positioned at manual position, now enter Non-follow control air quantity program;
When cabinet body internal temperature is between T1 and T2, control module sends the temperature detected by temperature sensor to temperature display, then the hand switch of control second return air fan is made to keep the state be unlocked, control second return air fan to open, make manual knob keep turning clockwise the state of 90 ° simultaneously, control electric pushrod promotion air-supply air-valve forward to move, make air inlet open 1/3;
After t minute, if cabinet body internal temperature does not drop to below T1, the hand switch of control the 3rd return air fan is made to keep the state be unlocked, control the 3rd return air fan to open, make manual knob keep once again turning clockwise the state of 90 ° simultaneously, control electric pushrod promotion air-supply air-valve forward to move, make air inlet open 1/3 once again;
Again after t minute, if cabinet body internal temperature does not also drop to below T1, the hand switch of control the 4th return air fan is made to keep the state be unlocked, control the 4th return air fan to open, make manual knob keep once again turning clockwise the state of 90 ° simultaneously, control electric pushrod promotion air-supply air-valve forward to move, make air inlet open 1/3 once again, now air outlet is opened completely;
When cabinet body internal temperature is between T3 and T4, control module sends the temperature detected by temperature sensor to temperature display, then the hand switch of control first return air fan is made to keep pent state, control first return air fan to close, make manual knob keep being rotated counterclockwise the state of 90 ° simultaneously, control electric pushrod and promote the oppositely movement of air-supply air-valve, make air inlet close 1/3;
After t minute, if cabinet body internal temperature does not rise to more than T4, the hand switch of control second return air fan is made to keep pent state, control second return air fan to close, make manual knob keep being rotated counterclockwise the state of 90 ° once again simultaneously, control electric pushrod and promote the oppositely movement of air-supply air-valve, make air inlet close 1/3 once again;
Again after t minute, if cabinet body internal temperature does not rise to more than T4, the hand switch of control the 3rd return air fan is made to keep pent state, control the 3rd return air fan to close, make manual knob keep being rotated counterclockwise the state of 90 ° once again simultaneously, control electric pushrod and promote the oppositely movement of air-supply air-valve, make air inlet close 1/3 once again, now air outlet is closed by air-supply air-valve completely;
When cabinet body internal temperature is at below T3, control module sends the temperature detected by temperature sensor to temperature display, then make the hand switch of the 4th return air fan keep pent state, control the 4th return air fan and close, now return air fan cuts out completely;
Circulation like this, until temperature remains between T3 and T1,
Described temperature value T1, T2, T3, T4 meet following relational expression: 25 DEG C≤T4 < T3 < T1 < T2≤40 DEG C, described time t is 3 ~ 5 minutes.
Preferably, described temperature T1 is 35 DEG C ~ 37 DEG C, and described temperature T2 is 38 DEG C ~ 40 DEG C, and described temperature T3 is 28 DEG C ~ 30 DEG C, and described temperature T4 is 25 DEG C ~ 27 DEG C.
Preferably, described temperature T1 is 35 DEG C, and described temperature T2 is 38 DEG C, and described temperature T3 is 30 DEG C, and described temperature T4 is 25 DEG C, and described time t is 3 minutes.
Contrast prior art, beneficial effect of the present invention is: by arranging the air delivery duct be communicated with air conditioner air outlet and the air-return duct be communicated with return air inlet for air-conditioner in cabinet body, to form closed air circulation loop between cabinet body and air-conditioning, decrease the load area of air-conditioning, shorten the air-conditioning temperature-reducing time, save energy consumption, and at air delivery duct and air-return duct and cabinet body junction, all air quantity controller is set, achieve accurate air-feeding and return air, automatic adjustment air quantity that simultaneously can also be real-time according to the variations in temperature in cabinet body, well monitoring and a protective effect are played to the operational environment of interior of equipment cabinet part.
Accompanying drawing explanation
Fig. 1 is the structural representation of rack of the present invention;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the operating diagram (air-conditioning containing to rack refrigeration) of rack of the present invention.
In figure:
1, cabinet body; 2, support; 3, air-return duct; 4, air delivery duct; 5, control module; 6, electric pushrod; 7, air-supply air-valve; 8, air inlet; 9, the first return air fan; 10, the second return air fan; 11, the 3rd return air fan; 12, the 4th return air fan; 13, air outlet; 14, temperature sensor; 15, air-conditioning; 16, return air inlet; 17, air outlet.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing
As shown in Figures 1 to 3, rack described in the present embodiment, comprise the part (not shown in FIG.) of cabinet body 1 and the setting of cabinet body inside, at the outer air-conditioning 15 arranged for lowering the temperature to cabinet body 1 inside of cabinet body 1, the bottom of cabinet body 1 arranges support 2, air delivery duct 4 is set in support 2, the top of cabinet body 1 arranges air-return duct 3, air delivery duct 4 is communicated with the air outlet 17 of air-conditioning 15, air-return duct 3 is communicated with the return air inlet 16 of air-conditioning 15, air delivery duct 4 and cabinet body 1 junction arrange the first air quantity controller for controlling to be sent into by air-conditioning 15 air quantity in cabinet body 1, air-return duct 3 and cabinet body 1 junction arrange the second air quantity controller for controlling the air quantity sent by cabinet body 1, also comprise temperature-detecting device and control module 5, the input of control module is connected with temperature-detecting device, the output of control module respectively with the first air quantity controller, second air quantity controller connects.
Air delivery duct 4 and cabinet body 1 joint arrange air inlet 8, and air-return duct 3 and cabinet body 1 joint set out air port 13.
First air quantity controller comprises the air-supply air-valve 7 being movably set in air inlet 8 place, air-supply air-valve 7 side arranges the electric pushrod 6 for controlling the movement of air-supply air-valve 7, electric pushrod 6 is connected with control module 5, can control electric pushrod 6 drive air-supply air-valve 7 to move to make control module 5.
Second air quantity controller comprises the return air fan that four are fixedly installed on air outlet 13 place, four return air fans are respectively the first return air fan 9, second return air fan 10, the 3rd return air fan 11 and the 4th return air fan 12, these four return air fans are connected with control module 5 respectively, and such control module 5 can start this four return air fans respectively.
The position of air delivery duct 4 and air-return duct 3 is not necessarily arranged on bottom or the top of cabinet body 1, the any position in cabinet body 1 can also be arranged on, as long as can make the cold air sent into by air delivery duct 4 can in cabinet body 1 after effective heat exchange, then by air-return duct 3 by the air circulation after heat exchange in air-conditioning 15.
Temperature-detecting device comprises the temperature sensor 14 be arranged in cabinet body 1 and the temperature display be arranged at outside cabinet body 1, and temperature sensor 14 is connected with control module 5 and temperature display respectively.
In cabinet body 1, also warning device is set, warning device is connected with control module 5, first return air fan 9, second return air fan 10, the 3rd return air fan 11 and the 4th return air fan 12 respectively, when going wrong to make each return air fan, control module 5 can control warning device and report to the police.
Warning device is set and can sends warning when each return air fan goes wrong, remind maintenance personal change as soon as possible or keep in repair, prevent from, because return air amount makes the temperature of cabinet body inside too high not, ensureing the normal work of interior of equipment cabinet part.
Control module 5 is arranged for controlling the first switch of the manual/auto work of electric pushrod 6 and the second switch for controlling the manual/auto work of return air fan, corresponding each return air fan all arranges the hand switch being used for manually opened return air fan in cabinet body 1, cabinet body 1 is also arranged the manual knob being used for manually promoting electric pushrod 6.
Corresponding first return air fan 9 arranges the first hand switch, and corresponding second return air fan 10 arranges the second hand switch, and corresponding 3rd return air fan 11 arranges the 3rd hand switch, and corresponding 4th return air fan 12 arranges the 4th hand switch.
Manual knob arranges fourth gear, be respectively 0 ° of shelves, 90 ° of shelves, 180 ° of shelves, 270 ° of shelves, when rotating to 90 ° of shelves by 0 ° of shelves, electric pushrod 6 promotes air-supply air-valve 7 forward and moves, and makes air inlet 8 open 1/3, when rotating to 180 ° of shelves by 90 ° of shelves, electric pushrod 6 promotes air-supply air-valve 7 forward and moves, and makes air inlet 8 continue unlatching 1/3, when rotating to 270 ° of shelves by 180 ° of shelves, electric pushrod 6 promotes air-supply air-valve 7 forward and moves, and air inlet 8 is all opened.
Otherwise, when rotating to 180 ° of shelves by 270 ° of shelves, electric pushrod 6 promotes the oppositely movement of air-supply air-valve 7, make air inlet 8 close 1/3, when rotating to 90 ° of shelves by 180 ° of shelves, electric pushrod 6 promotes the oppositely movement of air-supply air-valve 7, air inlet 8 is made to continue closedown 1/3, when rotating to 0 ° of shelves by 90 ° of shelves, electric pushrod 6 promotes the oppositely movement of air-supply air-valve 7, makes air inlet 8 Close All.
Below introduce the method that rack controls air quantity, the method can be divided into two kinds:
(1), automatically air quantity is controlled:
Make rack and air-conditioning 15 keep the state be unlocked, the first return air fan 9 that control module 5 controls air-return duct 3 is opened;
Make the first switch and second switch be positioned at automatic transmission position, now enter and automatically control air quantity program;
When cabinet body 1 internal temperature is between 35 DEG C and 38 DEG C, control module 5 controls the second return air fan 10 and opens, and simultaneously control module 5 controls electric pushrod 6 and promotes air-supply air-valve 7 forward and move, and makes air inlet 8 open 1/3;
After 3 minutes, if cabinet body 1 internal temperature does not drop to less than 35 DEG C, control module 5 controls the 3rd return air fan 11 and opens, and simultaneously control module 5 controls electric pushrod 6 and promotes air-supply air-valve 7 and continue forward and move, and makes air inlet 8 open 1/3 once again;
Again after 3 minutes, if cabinet body 1 internal temperature does not also drop to less than 35 DEG C, control module 5 controls the 4th return air fan 12 and opens, simultaneously control module 5 controls electric pushrod 6 and promotes air-supply air-valve 7 and continue forward and move, make air inlet 8 open 1/3 once again, now air outlet 8 is opened completely;
When cabinet body 1 internal temperature is higher than 38 DEG C, control module 5 controls warning device and reports to the police;
When cabinet body 1 internal temperature is between 25 DEG C and 30 DEG C, control module 5 controls the first return air fan 9 and closes, and control module 5 controls electric pushrod 6 and promotes the oppositely movement of air-supply air-valve 7 simultaneously, makes air inlet 8 close 1/3;
After 3 minutes, if cabinet body 1 internal temperature does not rise to more than 30 DEG C, control module 5 controls the second return air fan 10 and closes, and simultaneously control module 5 controls electric pushrod 6 and promotes air-supply air-valve 7 and continue reverse movement, makes air inlet 8 close 1/3 once again;
Again after 3 minutes, if cabinet body 1 internal temperature does not rise to more than 30 DEG C, control module 5 controls the 3rd return air fan 11 and closes, simultaneously control module 5 controls electric pushrod 6 and promotes air-supply air-valve 7 and continue reverse movement, make air inlet 8 close 1/3 once again, now air outlet 8 is closed by air-supply air-valve 7 completely;
When cabinet body 1 internal temperature is below 25 DEG C, control module 5 controls the 4th return air fan 12 and closes;
Circulation like this, until temperature remains between 30 DEG C and 35 DEG C.
(2) Non-follow control air quantity:
Make rack and air-conditioning keep the state be unlocked, the first return air fan 9 that control module 5 controls air-return duct 3 is opened;
Make the first switch and second switch be positioned at manual position, now enter Non-follow control air quantity program;
When cabinet body 1 internal temperature is between 37 DEG C and 40 DEG C, control module 5 sends the temperature detected by temperature sensor 14 to temperature display, then the second hand switch of control second return air fan 10 is made to keep the state be unlocked, control the second return air fan 10 to open, make manual knob rotate to 90 ° of shelves by 0 ° of shelves clockwise simultaneously, control electric pushrod 6 promotion air-supply air-valve 7 forward to move, make air inlet 8 open 1/3;
After 5 minutes, if cabinet body 1 internal temperature does not drop to less than 37 DEG C, the 3rd hand switch of control the 3rd return air fan 11 is made to keep the state be unlocked, control the 3rd return air fan 11 to open, make manual knob rotate to 180 ° of shelves by 90 ° of shelves clockwise simultaneously, control electric pushrod 6 promotion air-supply air-valve 7 forward to move, make air inlet 8 open 1/3 once again;
Again after 5 minutes, if cabinet body 1 internal temperature does not also drop to less than 37, the 4th hand switch of control the 4th return air fan 12 is made to keep the state be unlocked, control the 4th return air fan 12 to open, make manual knob rotate to 270 ° of shelves by 180 ° of shelves clockwise simultaneously, control electric pushrod 6 promotion air-supply air-valve 7 forward to move, make air inlet 8 open 1/3 once again, now air outlet 8 is opened completely;
When cabinet body 1 internal temperature is between 27 DEG C and 30 DEG C, control module 5 sends the temperature detected by temperature sensor 14 to temperature display, then the first hand switch of control first return air fan 9 is made to keep pent state, control the first return air fan 9 to close, make manual knob rotate to 180 ° of shelves by 270 ° of shelves counterclockwise simultaneously, control electric pushrod 6 and promote the oppositely movement of air-supply air-valve 7, make air inlet 8 close 1/3;
After 5 minutes, if cabinet body 1 internal temperature does not rise to more than 30 DEG C, the second hand switch of control second return air fan 10 is made to keep pent state, control the second return air fan 10 to close, make manual knob rotate to 90 ° of shelves by 180 ° of shelves counterclockwise simultaneously, control electric pushrod 6 and promote the oppositely movement of air-supply air-valve 7, make air inlet 8 close 1/3 once again;
Again after 5 minutes, if cabinet body 1 internal temperature does not rise to more than 30 DEG C, the 3rd hand switch of control the 3rd return air fan 11 is made to keep pent state, control the 3rd return air fan 11 to close, make manual knob rotate to 0 ° of shelves by 90 ° of shelves counterclockwise simultaneously, control electric pushrod 6 and promote the oppositely movement of air-supply air-valve 7, make air inlet 8 close 1/3 once again, now air outlet 8 is closed by air-supply air-valve 7 completely.
When cabinet body 1 internal temperature is below 27 DEG C, control module 5 sends the temperature detected by temperature sensor 14 to temperature display, then the 4th hand switch of the 4th return air fan 12 is made to keep pent state, control the 4th return air fan 12 to close, now return air fan cuts out completely.
Circulation like this, until temperature remains between 30 DEG C and 37 DEG C.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (3)
1. the method for a rack control air quantity, it is characterized in that, employing comprises cabinet body, in cabinet body, the air-conditioning for lowering the temperature to cabinet body inside is set outward, it is characterized in that, described cabinet body is arranged air delivery duct and air-return duct, described air delivery duct is communicated with the air outlet of air-conditioning, described air-return duct is communicated with the return air inlet of air-conditioning, described air delivery duct and described cabinet body junction arrange the first air quantity controller for controlling to be sent into by air-conditioning the air quantity in cabinet body, described air-return duct and described cabinet body junction arrange the second air quantity controller for controlling the air quantity sent by cabinet body,
Also comprise temperature-detecting device and control module, the input of described control module is connected with described temperature-detecting device, and the output of described control module is connected with described first air quantity controller, the second air quantity controller respectively;
Described air delivery duct and cabinet body joint arrange air inlet, and described air-return duct and cabinet body joint set out air port;
Described first air quantity controller comprises the air-supply air-valve being movably set in air inlet, described air-supply air-valve side arranges the electric pushrod for controlling the movement of air-supply air-valve, described electric pushrod is connected with control module, can control electric pushrod drive air-supply air-valve to move to make described control module;
Described second air quantity controller comprises the return air fan that at least two are fixedly installed on air outlet place, and each described return air fan is connected with control module, can control return air fan work to make described control module;
Described control module is arranged for controlling the first switch of the manual/auto work of electric pushrod and the second switch for controlling the manual/auto work of return air fan;
Corresponding each described return air fan all arranges the hand switch being used for manually opened return air fan in described cabinet body, described cabinet body is also arranged the manual knob being used for manually promoting electric pushrod;
Comprise the following steps:
The first step: make rack and air-conditioning keep the state be unlocked, first return air fan that control module controls air-return duct is opened;
Second step, make the first switch and second switch be positioned at automatic transmission position, now enter and automatically control air quantity program;
Temperature sensor detects the temperature in cabinet body, send the temperature detected to control module, control module is selected open return air fan or close return air fan according to the size of temperature, and select the open degree of air-supply air-valve, control module sends the size of temperature to temperature display simultaneously;
3rd step, make the first switch and second switch be positioned at manual position, now enter Non-follow control air quantity program;
Temperature sensor detects the temperature in cabinet body, send the temperature detected to control module, control module sends the size of temperature to temperature display, according to the temperature on temperature display, the hand switch of control return air fan is held open or closed condition, and makes the manual knob of control electric pushrod keep rotating forward or reverse rotation state.
2. rack according to claim 1 controls the method for air quantity, it is characterized in that,
Described automatic control air quantity program comprises the steps:
Make rack and air-conditioning keep the state be unlocked, first return air fan that control module controls air-return duct is opened;
Make the first switch and second switch be positioned at automatic transmission position, now enter and automatically control air quantity program;
When cabinet body internal temperature is between T1 and T2, control module controls second return air fan and opens, and the electric pushrod of control module control simultaneously promotes air-supply air-valve forward and moves, and makes air inlet open 1/3;
After t minute, if cabinet body internal temperature does not drop to below T1, control module controls the 3rd return air fan and opens, and the electric pushrod of control module control simultaneously promotion air-supply air-valve continues forward and moves, and makes air inlet open 1/3 once again;
Again after t minute, if cabinet body internal temperature does not also drop to below T1, control module controls the 4th return air fan and opens, and the electric pushrod of control module control simultaneously promotion air-supply air-valve continues forward and moves, make air inlet open 1/3 once again, now air outlet is opened completely;
When cabinet body internal temperature is higher than T2, control module controls warning device and reports to the police;
When cabinet body internal temperature is between T3 and T4, control module controls first return air fan and closes, and control module controls electric pushrod and promotes the oppositely movement of air-supply air-valve simultaneously, makes air inlet close 1/3;
After t minute, if cabinet body internal temperature does not rise to more than T4, control module controls second return air fan and closes, and the electric pushrod of control module control simultaneously promotes air-supply air-valve to be continued oppositely to move, and makes air inlet close 1/3 once again;
Again after t minute, if cabinet body internal temperature does not rise to more than T4, control module controls the 3rd return air fan and closes, the electric pushrod of control module control simultaneously promotes air-supply air-valve to be continued oppositely to move, make air inlet close 1/3 once again, now air outlet is closed by air-supply air-valve completely;
When cabinet body internal temperature is at below T3, control module controls the 4th return air fan and closes;
Circulation like this, until temperature remains between T3 and T1;
Described temperature value T1, T2, T3, T4 meet following relational expression: 25 DEG C≤T4 < T3 < T1 < T2≤40 DEG C, described time t is 3 ~ 5 minutes.
3. rack according to claim 2 controls the method for air quantity, it is characterized in that,
Described Non-follow control air quantity program comprises the steps:
Make rack and air-conditioning keep the state be unlocked, first return air fan that control module controls air-return duct is opened;
Make the first switch and second switch be positioned at manual position, now enter Non-follow control air quantity program;
When cabinet body internal temperature is between T1 and T2, control module sends the temperature detected by temperature sensor to temperature display, then the hand switch of control second return air fan is made to keep the state be unlocked, control second return air fan to open, make manual knob keep turning clockwise the state of 90 ° simultaneously, control electric pushrod promotion air-supply air-valve forward to move, make air inlet open 1/3;
After t minute, if cabinet body internal temperature does not drop to below T1, the hand switch of control the 3rd return air fan is made to keep the state be unlocked, control the 3rd return air fan to open, make manual knob keep once again turning clockwise the state of 90 ° simultaneously, control electric pushrod promotion air-supply air-valve forward to move, make air inlet open 1/3 once again;
Again after t minute, if cabinet body internal temperature does not also drop to below T1, the hand switch of control the 4th return air fan is made to keep the state be unlocked, control the 4th return air fan to open, make manual knob keep once again turning clockwise the state of 90 ° simultaneously, control electric pushrod promotion air-supply air-valve forward to move, make air inlet open 1/3 once again, now air outlet is opened completely;
When cabinet body internal temperature is between T3 and T4, control module sends the temperature detected by temperature sensor to temperature display, then the hand switch of control first return air fan is made to keep pent state, control first return air fan to close, make manual knob keep being rotated counterclockwise the state of 90 ° simultaneously, control electric pushrod and promote the oppositely movement of air-supply air-valve, make air inlet close 1/3;
After t minute, if cabinet body internal temperature does not rise to more than T4, the hand switch of control second return air fan is made to keep pent state, control second return air fan to close, make manual knob keep being rotated counterclockwise the state of 90 ° once again simultaneously, control electric pushrod and promote the oppositely movement of air-supply air-valve, make air inlet close 1/3 once again;
Again after t minute, if cabinet body internal temperature does not rise to more than T4, the hand switch of control the 3rd return air fan is made to keep pent state, control the 3rd return air fan to close, make manual knob keep being rotated counterclockwise the state of 90 ° once again simultaneously, control electric pushrod and promote the oppositely movement of air-supply air-valve, make air inlet close 1/3 once again, now air outlet is closed by air-supply air-valve completely;
When cabinet body internal temperature is at below T3, control module sends the temperature detected by temperature sensor to temperature display, then make the hand switch of the 4th return air fan keep pent state, control the 4th return air fan and close, now return air fan cuts out completely;
Circulation like this, until temperature remains between T3 and T1;
Described temperature value T1, T2, T3, T4 meet following relational expression: 25 DEG C≤T4 < T3 < T1 < T2≤40 DEG C, described time t is 3 ~ 5 minutes.
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| CN104344500B (en) * | 2013-08-09 | 2017-03-22 | 台达电子工业股份有限公司 | Method and device for controlling air flow field |
| CN104654538A (en) * | 2013-11-21 | 2015-05-27 | 深圳市中兴康讯电子有限公司 | Method and device for controlling air output |
| CN103813698A (en) * | 2014-03-06 | 2014-05-21 | 中能深思(北京)科技有限公司 | Equipment cabinet refrigeration control method and system |
| CN104684362B (en) * | 2015-02-13 | 2017-12-08 | 深圳日海通讯技术股份有限公司 | Using the rack of temperature control device |
| CN104776640B (en) * | 2015-03-23 | 2017-06-06 | 上海华燊智能化系统工程有限公司 | For the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack |
| CN105430999A (en) * | 2015-11-04 | 2016-03-23 | 重庆德为通信技术有限公司 | Cabinet capable of self temperature regulation |
| CN107514382B (en) * | 2017-10-17 | 2019-01-22 | 安徽皖通邮电股份有限公司 | It is a kind of to adjust machine frame air duct to reduce the device and method of system power dissipation |
| CN113556917B (en) * | 2021-05-28 | 2024-08-09 | 浙江华云电力工程设计咨询有限公司 | Control cabinet with accurate air supply system and control method |
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