CN203554873U - Refrigeration control system of machine cabinet - Google Patents
Refrigeration control system of machine cabinet Download PDFInfo
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- CN203554873U CN203554873U CN201320682602.0U CN201320682602U CN203554873U CN 203554873 U CN203554873 U CN 203554873U CN 201320682602 U CN201320682602 U CN 201320682602U CN 203554873 U CN203554873 U CN 203554873U
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000007654 immersion Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 12
- 230000011664 signaling Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 22
- 238000001816 cooling Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical filed of refrigeration equipment, and discloses a refrigeration control system of a machine cabinet. The refrigeration control system of the machine cabinet comprises a cabinet body which comprises a front door with a front door lock and a rear door with a rear door lock; a first drive piece which is used for driving the front door to open when the front door lock is opened; a second drive piece which is used for driving the rear door to open when the rear door lock is opened; an air-conditioner which is arranged in the internal part of the cabinet body; and a control device which is connected with the front door lock, the rear door lock and the air-conditioner in a signaling way and controls the front door lock and the rear door lock to open when the air-conditioner fails to work. In the technical scheme, when the air-conditioner fails to work, the front door lock and the rear door lock are opened through control, and the front door and the rear door are respectively opened via the first drive piece and the second drive piece respectively so that the machine cabinet is completely opened, heat exchange is performed between electronic equipment and external air and thus damage to the electronic equipment caused by heat continuously accumulated in the machine cabinet is avoided.
Description
Technical Field
The utility model relates to a refrigeration plant technical field especially relates to a refrigeration control system of rack.
Background
The modular data center is a novel data center mode, and has the advantages of easiness in expansion, standardization, simplicity in construction, small occupied area and the like, so that the deployment mode is more and more popular. The modular data center is formed by integrating IT equipment (such as a server), a power supply, a cabinet, refrigeration, comprehensive wiring, security and fire fighting equipment and the like into each module unit to form a relatively independent data center.
The current cabinet type that adopts more is that the inside of rack sets up the installation stand of standard, adopts the mesh door around the rack, and electronic equipment realizes the function for the electronic equipment cooling through the air current circulation of the interior air of cabinet and the outside air of cabinet in the cabinet. When the cabinet is used, only the function of bearing the rack is achieved, the cooling effect of the cabinet on electronic equipment cannot be achieved, and when the cabinet is used, a matched refrigeration system is required to be arranged in a machine room, so that the investment cost of the data center is high, the normal work of the electronic equipment in the cabinet can be maintained only by refrigerating the whole data center in the using process, and the utilization efficiency of energy is very low. Meanwhile, the existing rack-type cabinets have no dustproof measures, when the data center is used, dust can be brought to the electronic equipment from the outside of the cabinet along with airflow, the service life of the electronic equipment is influenced, the dust accumulates for a long time, the electronic equipment is easily damaged, and greater loss is caused. In order to solve the existing problems, there is a rack-type standard cabinet with a closed built-in circulating air duct at present, as shown in fig. 1, fig. 1 is a schematic structural diagram of a rack-type standard cabinet with a built-in circulating air duct in the prior art, the rack-type standard cabinet includes a cabinet body 1, an air conditioner 2 located in the cabinet body 1, and a ventilation duct 4 communicated with an air outlet 3 of the air conditioner 2, wherein the air conditioner 2 is arranged at the top of the cabinet body 1, the ventilation duct 4 is arranged in the cabinet body 1 along the height direction of the cabinet body, when the cabinet needs to be cooled, the air conditioner 2 generates cold air, the cold air enters the ventilation duct 4 through the air outlet 3, the cold air flows out from an outlet of the ventilation duct 4, and passes through. Although the cabinet with the mesh doors at the front and the rear can solve the problems of low refrigeration efficiency, no dust prevention and the like, the cabinet also has new problems, for example, when the air conditioner in the cabinet body breaks down and can not be normally refrigerated, the heat dissipation of the closed cabinet body is poor, and the damage of electronic equipment in the cabinet can be caused.
The prior art has the defect that when the air conditioner in the cabinet fails and cannot be normally cooled, the electronic equipment cannot be cooled due to the fact that the cabinet is in a closed state, and therefore the electronic equipment in the cabinet is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a refrigeration control system of rack for when the air conditioner trouble in the rack, reduce the electronic equipment heat accumulation in the rack, and then reduce the risk of the electronic equipment's in the rack damage.
The utility model discloses refrigeration control system of rack, include:
a cabinet body including a front door having a front door lock and a rear door having a rear door lock;
the first driving piece is used for driving the front door to be opened when the front door lock is opened;
the second driving piece is used for driving the rear door to be opened when the rear door lock is opened;
the air conditioner is positioned inside the cabinet body;
and the control device is respectively in signal connection with the front door lock, the rear door lock and the air conditioner, and controls the front door lock and the rear door lock to be opened when the air conditioner fails.
The utility model discloses among the technical scheme, when the internal air conditioner of cabinet breaks down, especially can not refrigerate, easily cause electronic equipment overheated and damage, consequently, when the air conditioner trouble, lock and back lock are opened before the control, and then qianmen and back door are opened respectively to first driving piece and second driving piece, make the rack open completely, make electronic equipment can carry out the heat exchange with the outside air to avoid the interior heat of rack to last the accumulation, damage electronic equipment such as server.
Preferably, preceding lock and back lock are electromagnetic lock respectively, and in this technical scheme, only need can realize opening preceding lock and back lock with electromagnetic lock outage, control method is simple.
Preferably, the first driving member is an air stay bar or a torsion spring; the second driving piece is an air supporting rod or a torsion spring. The first driving member and the second driving member are in various forms, and preferably, an air brace or a torsion spring is adopted, so that the front door or the rear door can be conveniently unfolded or bounced, and the cabinet is completely opened. The first driving member and the second driving member may be identical or different in structural form.
Preferably, the utility model discloses the refrigeration control system of rack still includes:
the bearing frame is positioned in the cabinet body and used for bearing electronic equipment, a sealing plate used for sealing a gap between the electronic equipment and the cabinet body is arranged on one surface of the bearing frame facing the front door, the front door and the bearing frame form a first channel, the rear door and the bearing frame form a second channel, an air supply outlet of the air conditioner is communicated with the first channel, and an air return inlet of the air conditioner is communicated with the second channel.
According to the existing rack type standard cabinet with the built-in circulating air duct, the temperature of cold airflow gradually rises from the bottom to the top of the cabinet body, the refrigeration effect on electronic equipment at the top is poor, cold airflow and hot airflow cannot be highly isolated, the refrigeration efficiency of the system is low, and the power consumption of the refrigeration equipment is large. And in the technical scheme of the utility model, because bear electronic equipment bear the frame and the qianmen and the back door of the cabinet body form first passageway and second passageway respectively, first passageway communicates with each other with the supply-air outlet of air conditioner, the second passageway communicates with each other with the return air inlet of air conditioner, therefore, the air conditioning that flows out from the supply-air outlet flows through first passageway and transversely passes electronic equipment and flow in the second passageway and form the hot gas flow again, the hot gas flow is inhaled by the return air inlet again, consequently can highly keep apart when cold air flow and hot gas flow inner loop in the confined rack, heat exchange efficiency is higher, avoid cold and hot air current to mix and lead to scattering and disappearing of air conditioning, consequently, can improve the refrigeration efficiency of rack, and reduce the refrigeration energy. And because the cold airflow transversely passes through the electronic equipment, the problem that the electronic equipment on the top has poor cooling effect can be avoided.
Preferably, the air conditioner is positioned at the bottom in the cabinet body; or the air conditioner is positioned at the top in the cabinet body.
In the cabinet body, the position of the air conditioner can be various, as long as the cold air flow flowing out from the air supply outlet of the air conditioner is in the first channel, and the hot air flow flows into the air return inlet of the air conditioner in the second channel, for example, the air conditioner can be positioned at the top of the cabinet or at the bottom of the cabinet, and the air conditioner can also be arranged on the side surface of the cabinet. When the air conditioner is positioned at the bottom of the cabinet, the refrigeration effect is better.
Preferably, the refrigeration control system of the cabinet further includes:
the fresh air inlet fan is positioned at the lower part of the front door and is provided with a filter screen for filtering fresh air outside the cabinet body;
the air outlet fan is positioned on the top plate of the cabinet body and opposite to the second channel;
the temperature information detection device is used for detecting the temperature information inside and outside the cabinet body;
the control device is further respectively in signal connection with the temperature information detection device, the fresh air inlet fan and the air outlet fan and is used for controlling the air conditioner to be closed and controlling the fresh air inlet fan and the air outlet fan to be opened when the temperature outside the cabinet body is smaller than the temperature in the first channel and lasts for a first set time length.
The utility model discloses among the refrigeration control system of rack, be less than the temperature in the first passageway when detecting the outer temperature of cabinet to when this kind of condition lasts first setting for a long time, then close the air conditioner in the rack, open new trend air inlet fan and air-out fan, utilize the outer cold source of cabinet to the electronic equipment refrigeration in the rack, further reduce the refrigeration energy consumption, improve energy utilization. And, when the air conditioner trouble, also can regard new trend air inlet fan and air outlet fan as emergent ventilation unit, open new trend air inlet fan and air outlet fan respectively and realize emergent ventilation.
Preferably, the temperature information inside and outside the cabinet body is a difference value between the temperature outside the cabinet body and the temperature inside the first channel, and the temperature detection device is a temperature difference sensor; or,
the internal and external temperature information of cabinet is the external temperature of cabinet and the temperature in the first passageway, temperature-detecting device includes: the first temperature sensor is arranged outside the cabinet body and used for detecting temperature information outside the cabinet body; and the second temperature sensor is arranged in the first channel and used for detecting the temperature information in the first channel.
When the temperature outside the cabinet body and the temperature inside the first channel are detected, a temperature difference sensor can be adopted to directly obtain the difference value between the temperature outside the cabinet body and the temperature inside the first channel, and when the temperature outside the cabinet body is smaller than the temperature inside the first channel, namely the difference value is smaller than zero and lasts for a first set time, the air conditioner is controlled to be closed, and the fresh air inlet fan and the air outlet fan are controlled to be opened; the temperature outside the cabinet body and the temperature inside the first channel can be detected by two temperature sensors respectively, and the temperature outside the cabinet body and the temperature inside the first channel can be further judged by the control device.
Preferably, the control device comprises a comparator for judging whether the external temperature of the cabinet is less than the temperature in the first channel, a timer and a processor respectively connected with the comparator and the timer through signals, and when the external temperature of the cabinet is not less than the temperature in the first channel and lasts for a second set time length, the processor controls the air conditioner to be started and controls the fresh air inlet fan and the air outlet fan to be closed.
Preferably, the refrigeration control system for any one of the above cabinets further comprises:
a front door switch sensor for detecting the switch state of the front door;
a rear door opening and closing sensor for detecting an opening and closing state of the rear door;
the alarm device is in signal connection with the control device;
the control device is also in signal connection with the front door switch sensor and the rear door switch sensor respectively, and is further used for controlling and outputting alarm information to the alarm device to give an alarm when the front door is opened and/or the rear door is opened.
In order to ensure that the cabinet body is a closed system, the opening and closing states of the front door and the rear door are required to be detected, when the front door and/or the rear door are in the opening state, the control device outputs alarm information, and the alarm device gives an alarm according to the alarm information.
Preferably, the refrigeration control system of the cabinet further includes:
the water immersion sensor is used for detecting the water leakage state in the cabinet body;
the control device is further connected with the water logging sensor in a signal mode and further used for outputting alarm information to the alarm device to give an alarm when water leaks in the cabinet body.
The air conditioner in the cabinet body may leak water in the refrigeration process, or the humidity in the cabinet body is large to form condensed water, therefore, a water immersion sensor is needed to be added to detect whether the water leakage occurs in the cabinet body, when the water leakage occurs in the cabinet body, alarm information is output, and an alarm device gives an alarm.
Preferably, the refrigeration control system of the cabinet further includes:
and the display panel is positioned on the front door and is in signal connection with the control device.
The display panel can be used for displaying the temperature information outside the cabinet body, the temperature information in the first channel, the on-off state of the air conditioner, the on-off state of the front door, the on-off state of the rear door and the water leakage state in the cabinet body, which are received by the control device, and can also display the voltage information and the current information of each electronic device in the cabinet. The display panel is added on the front door, so that an operator can visually see the states of various devices in the cabinet, judge out possible impending bad states according to experience, and take preventive measures early. In addition, in addition to the above display, the status of other equipment in the cabinet, such as the uninterruptible power supply and the power distribution unit, may also be displayed.
Preferably, the refrigeration control system of the cabinet further includes:
and the display terminal is positioned outside the cabinet body and is in signal connection with the control device.
The utility model discloses among the preferred technical scheme, display terminal can be used for the local temperature information of looking over or long-range looking over the external cabinet of controlling means received, the temperature information in the first passageway, the on-off state of air conditioner, the on-off state of qianmen, the on-off state of back door to and the internal water leakage state of cabinet, also can be used for looking over each electronic equipment's in the rack voltage information and current information. The display terminal may be a computer, for example, the control device may be connected to a local area network or the internet, so as to enable the computer to view the status of various devices in the cabinet locally or remotely. Because operating personnel need not to look over outside the rack at any time, consequently can practice thrift the human cost by great. The alarm information output by the control device can be input to the display terminal besides the alarm device, for example, the alarm information is sent to a designated electronic mailbox or a mobile phone in an electronic mailbox or short message mode, so that remote monitoring can be realized, the requirement of real unattended operation is met, and the labor cost is greatly saved.
Drawings
FIG. 1 is a schematic structural diagram of a rack-type standard cabinet with a built-in circulating air duct according to the prior art;
fig. 2 is a schematic structural diagram of an embodiment of a refrigeration control system of a cabinet according to the present invention;
fig. 3 is a schematic structural diagram of an embodiment of a refrigeration control system of a cabinet according to the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a refrigeration control system of a cabinet according to the present invention;
fig. 5 is a schematic structural diagram of an embodiment of a refrigeration control system of a cabinet according to the present invention;
fig. 6 is a schematic structural diagram of an embodiment of a refrigeration control system of a cabinet according to the present invention;
fig. 7 is a schematic flow chart of an embodiment of a refrigeration control method for a cabinet according to the present invention;
fig. 8 is a schematic flow chart of a specific embodiment of a refrigeration control method for a cabinet according to the present invention;
fig. 9 is a schematic structural diagram of an embodiment of the refrigeration control device of the cabinet of the present invention.
Reference numerals:
1-cabinet body 2-air conditioner (background technology) 3-air outlet 4-ventilating duct 11-front door 12-rear door
13-carrier 14-air conditioner 15-air supply outlet 16-air return inlet 17-first channel
18-second channel 20-fresh air inlet fan 21-air outlet fan 30-control device
31-first temperature sensor 32-second temperature sensor 33-front door switch sensor
34-back door switch sensor 35-water sensor 40-alarm device 41-display panel
42-display terminal 51-acquisition device 52-control device 61-front door lock
62-rear door lock 63-first drive member 64-second drive member
Detailed Description
In order to reduce the damage of the accumulated heat in the cabinet to the electronic equipment, the embodiment of the utility model provides a refrigeration control method, device and system of cabinet. In this technical scheme, the qianmen and the back door of the cabinet body are provided with first driving piece and second driving piece respectively, and when the internal air conditioner of cabinet broke down, opened qianmen and back door lock, opened qianmen and back door respectively under the drive effect of first driving piece and second driving piece, consequently, can avoid the interior heat of rack to last the accumulation, reduce the harm of heat to electronic equipment. In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the following embodiments.
An embodiment of the utility model provides a refrigeration control system of rack, as shown in fig. 2, fig. 2 is the utility model discloses the structural schematic of embodiment is unified to the refrigeration control system of rack, refrigeration control system includes:
a cabinet including a front door 11 having a front door lock 61 and a rear door 12 having a rear door lock 62;
a first driving piece 63 for driving the front door 11 to open when the front door lock 61 is opened, and a second driving piece 64 for driving the rear door 12 to open when the rear door lock 62 is opened;
an air conditioner 14 located inside the cabinet;
and the control device 30 is respectively connected with the front door lock 61, the rear door lock 62 and the air conditioner 14 in a signal mode, and controls the front door lock 61 and the rear door lock 62 to be opened when the air conditioner fails.
In the embodiment of the utility model provides an in, when the internal air conditioner 14 of cabinet breaks down, especially can not refrigerate, easily cause electronic equipment overheated and damage, consequently, when the 14 troubles of air conditioner, door lock 61 is opened with back door lock 62 before the control, then qianmen 11 and back door 12 are opened respectively to first driving piece 63 and second driving piece 64, make the rack open completely, make electronic equipment can carry out the heat exchange with the outside air, thereby avoid the interior heat of rack to last the accumulation, damage electronic equipment such as server, and then prolong electronic equipment's life.
The utility model discloses in the preferred embodiment, preceding lock 61 and back lock 62 are the electromagnetic lock respectively, only need can realize opening preceding lock and back lock with the electromagnetic lock outage, and control method is simple.
Preferably, the first driving member 63 is a gas strut or a torsion spring; the second driving member 64 is a gas strut or torsion spring. The first and second actuators 63, 64 can be of various forms, preferably a gas strut or torsion spring, to facilitate the opening or springing open of the front or rear door, so that the cabinet is fully open. The first drive element 63 and the second drive element 64 may be identical or different in their design.
Based on the above-mentioned embodiment, the utility model discloses a refrigeration control system of rack preferred embodiment, as shown in fig. 3, fig. 3 is the utility model discloses the structure schematic diagram of the refrigeration control system of rack embodiment, for the structure that better shows this embodiment, fig. 3 is the side view of rack, has left out preceding lock and back lock, refrigeration control system still includes:
and the bearing frame 13 is positioned in the cabinet body and used for bearing electronic equipment, wherein one side of the bearing frame 13 facing the front door 11 is provided with a blocking plate for blocking a gap between the electronic equipment and the cabinet body, the front door 11 and the bearing frame 13 form a first channel 17, the rear door 12 and the bearing frame 13 form a second channel 18, an air supply outlet 15 of the air conditioner 14 is communicated with the first channel 17, and an air return inlet 16 of the air conditioner 14 is communicated with the second channel 18.
In the embodiment of the present invention, because the front door 11 and the rear door 12 of the cabinet and the front door 13 and the rear door 12 of the carrier 13 for carrying the electronic device respectively form the first channel 17 and the second channel 18, and the first channel 17 and the carrier 13 are highly isolated by the blocking plate, the first channel 17 communicates with the air supply opening 15 of the air conditioner 14, and the second channel 18 communicates with the air return opening 16 of the air conditioner 14, therefore, the cold air flowing out from the air supply opening 15 flows through the first channel 17 and transversely passes through the electronic device to form the hot air flow to flow into the second channel 18, and the hot air flow is sucked by the air return opening 16, so that the cold air flow and the hot air flow can be highly isolated when circulating in the closed cabinet, the heat exchange efficiency is high, and the cold air flow is prevented from being mixed to cause the dissipation of the cold air, therefore, the refrigeration. And because the cold airflow transversely passes through the electronic equipment, the problem that the electronic equipment on the top has poor cooling effect can be avoided. And the refrigeration cycle in the whole cabinet is in closed operation, and under the condition of operation with rated load, the airflow circulation path of the refrigeration cycle is short, the refrigeration efficiency is high, the condensate water is low, and the internal environment is relatively stable.
The bearing frame comprises a stand column and a bracket for bearing electronic equipment, the electronic equipment on the bearing frame can not be fully occupied with the bearing frame, therefore, in order to better improve the refrigeration efficiency, a blocking plate, such as a blind plate or other blocking measures, can be arranged on the stand column close to one side of a front door in an empty area of the bearing frame, and the high isolation of cold and hot air flow is ensured. The electronic device may be a server or other electronic devices used in a cabinet, for example, the server has fans on two sides, and the cold airflow in the first channel can be sucked into the second channel after exchanging heat with the server to form a hot airflow.
The utility model discloses the mounted position of the air conditioner 14 of rack is not limited, for example is located the internal top of cabinet, is located the internal bottom of cabinet, can also be located cabinet body upper portion, is located the external lower part of cabinet, is located outside the cabinet body curb plate, as long as guarantee air conditioner 14's supply-air outlet 15 and first passageway 17 intercommunication to it can to guarantee the return air inlet 16 and the 18 intercommunications of second passageway of air conditioner. As shown in fig. 3, the air conditioner 14 is located at the bottom of the cabinet. When the air conditioner 14 is located at the bottom of the cabinet, the airflow flows as shown by the line segment with an arrow in fig. 3, and blows out cold airflow from the air supply opening 15 of the air conditioner 14, the cold airflow passes through the electronic device and exchanges heat with the electronic device to form hot airflow to enter the second channel 18 in the rising process of the first channel 17, and due to the suction effect of the air return opening 16 of the air conditioner 14, the hot airflow flows downwards into the air return opening 16 of the air conditioner 14, and under the cooling effect of the evaporator of the air conditioner 14, the hot airflow is converted into cold airflow and then blown out from the air supply opening 15, and the evaporator of the air conditioner 14 can be a coil pipe and is communicated with the compressor of.
The utility model discloses the preferred embodiment of refrigeration control system of rack, as shown in fig. 4, fig. 4 is the utility model discloses the structural schematic diagram of the embodiment of refrigeration control system of rack, air conditioner 14 are located the top of the cabinet body. When the air conditioner 14 is located at the top of the cabinet, the airflow flows as shown by the line segment with the arrow in fig. 4, and blows out the cold airflow from the air supply opening 15 of the air conditioner 14, the cold airflow passes through the electronic equipment and exchanges heat with the electronic equipment to form hot airflow to enter the second channel 18 in the descending process of the first channel 17, and due to the suction effect of the air return opening 16 of the air conditioner 14, the hot airflow flows upwards into the air return opening 16 of the air conditioner 14, and under the cooling effect of the evaporator of the air conditioner 14, the hot airflow is converted into the cold airflow and then blown out from the air supply opening 15.
This embodiment is based on the design on the basis of above-mentioned each embodiment, as shown in fig. 5, fig. 5 is the utility model discloses the structure schematic diagram of the refrigeration control system of rack embodiment, the refrigeration control system of rack still includes:
a fresh air inlet fan 20 positioned at the lower part of the front door 11 and provided with a filter screen for filtering fresh air outside the cabinet body;
the air outlet fan 21 is positioned on the top plate of the cabinet body and opposite to the second channel 18;
the temperature information detection device is used for detecting the temperature information inside and outside the cabinet body;
the control device 30 is further in signal connection with the temperature information detection device, the fresh air inlet fan 20 and the air outlet fan 21 respectively, and is used for controlling the air conditioner 14 to be closed and controlling the fresh air inlet fan 20 and the air outlet fan 21 to be opened when the temperature outside the cabinet body is smaller than the temperature inside the first channel and lasts for a first set time length.
In this embodiment, the new air inlet fan 20 is added at the lower part of the first channel 17, the air outlet fan 21 is added at the upper part of the second channel 18, when the temperature outside the cabinet body is lower, the existing rack-type standard cabinet with the closed built-in circulating air duct can not utilize the lower ambient temperature outside the cabinet to realize the cooling of the electronic equipment, can not efficiently reduce the energy consumption of the system, is not beneficial to environmental protection and energy saving, and is easy to cause the waste of energy, while the refrigeration control system of the cabinet of the utility model closes the air conditioner 14 in the cabinet when detecting that the temperature outside the cabinet is less than the temperature in the first channel and the condition lasts for the first set time, opens the new air inlet fan 20 and the air outlet fan 21, utilizes the cold source outside the cabinet to refrigerate the electronic equipment in the cabinet, reduces the working time of the compressor of the air conditioner 14, thus further reducing the refrigeration energy consumption, the energy utilization rate is improved. In addition, when the air conditioner trouble, also can cause the internal temperature of cabinet to be higher than the external temperature of cabinet obviously, consequently, can regard new trend air inlet fan and air outlet fan as emergent ventilation unit, realize emergent ventilation, prevent that the internal heat accumulation of cabinet from causing electronic equipment's damage.
As shown in fig. 5, when the air conditioner 14 inside the cabinet is turned off and only the outside-cabinet cooling source is used for cooling, the airflow flows as indicated by the line segment with an arrow in fig. 5, the outside-cabinet cooling airflow passes through the filter screen and is sucked into the first channel 17 by the fresh air intake fan 20, and the cooling airflow is divided during the ascending process of the first channel 17 to pass through the electronic device transversely and exchange heat with the electronic device to form a heating airflow, which enters the second channel 18 and is sucked out of the cabinet by the air outlet fan 21.
Preferably, the temperature information inside and outside the cabinet body is a difference value between the temperature outside the cabinet body and the temperature inside the first channel, and the temperature detection device is a temperature difference sensor; alternatively, with continued reference to FIG. 5,
the internal and external temperature information of cabinet is the external temperature of cabinet and the temperature in the first passageway, temperature-detecting device includes: the first temperature sensor 31 is arranged outside the cabinet body and used for detecting temperature information outside the cabinet body; and the second temperature sensor 32 is arranged in the first channel 17 and used for detecting the temperature information in the first channel.
The temperature information inside and outside the cabinet body can be various, one of the temperature information can adopt a temperature difference sensor to directly obtain the difference value between the temperature outside the cabinet body and the temperature inside the first channel, and when the temperature outside the cabinet body is smaller than the temperature inside the first channel, namely the difference value is smaller than zero and lasts for a first set length, the air conditioner 14 is controlled to be closed, and the fresh air inlet fan 20 and the air outlet fan 21 are controlled to be opened; or two temperature sensors may be used to detect the temperature outside the cabinet body and the temperature inside the first channel, respectively, and the control device 30 may be used to further determine the temperature outside the cabinet body and the temperature inside the first channel.
The utility model discloses in preferred embodiment, controlling means 30 is including judging whether the external temperature of cabinet is less than the comparator of the temperature in the first passageway, the time-recorder to and respectively with comparator and time-recorder signal connection's treater, when the external temperature of cabinet is not less than the temperature in the first passageway and last the second and set for a long time, treater control air conditioner 14 opens, and control new trend air inlet fan 20 and air outlet fan 21 close.
In this embodiment, when the temperature outside the cabinet is higher, the air conditioner 14 inside the cabinet is still used for cooling, and when the air conditioner 14 is used for cooling, the fresh air inlet valve of the fresh air inlet fan 20 is closed under the action of the airflow with the biased positive pressure in the first channel 17, and the air outlet valve of the air outlet fan 21 is closed under the action of the airflow with the biased negative pressure in the second channel 18, so as to prevent dust outside the cabinet from entering. The utility model discloses in the technical scheme, controlling means both can adopt software to realize control function, also can realize control function through hardware, when adopting hardware, controlling means includes the comparator, time-recorder and treater, the comparator is used for the big or small relation of the temperature in the external temperature of comparison cabinet and the first passageway, when temperature information detection device is temperature difference sensor, the comparator is used for the difference and the zero relation of the temperature in the external temperature of comparison cabinet and the first passageway, the time-recorder is used for timing different states, and the treater respectively with time-recorder and comparator signal connection, a signal for different to comparator and time-recorder output controls air conditioner 14, new trend air inlet fan 20 and air outlet fan 21's on-off state.
The first set time length and the second set time length are set according to experience, and the two can be equal or unequal, for example, the first set time length can be set to 5min (minutes), and the second set time length can be set to 6min, but the utility model discloses do not be limited to these specific numerical values.
The utility model relates to an embodiment of the refrigeration control system of rack, as shown in FIG. 6, FIG. 6 is the utility model discloses embodiment schematic structure is unified to the refrigeration control system of rack, refrigeration control system still includes:
a front door switch sensor 33 for detecting the open/close state of the front door;
a rear door opening and closing sensor 34 for detecting an opening and closing state of the rear door;
the alarm device 40 is in signal connection with the control device 30;
the control device 30 is also in signal connection with the front door switch sensor 33 and the rear door switch sensor 34, and is further used for outputting alarm information to the alarm device 40 for alarming when the front door is opened and/or the rear door is opened.
In order to ensure that the cabinet body is a closed system, the opening and closing states of the front door 11 and the rear door 12 need to be detected, when the front door 11 is opened, the rear door 12 is opened or the front door 11 and the rear door 12 are both in the opening state, the control device 30 outputs alarm information, and the alarm device 40 gives an alarm according to the alarm information. The alarm device 40 may be in various forms, such as a buzzer or an indicator light.
Referring to fig. 6, preferably, the refrigeration control system of the cabinet of the present invention further includes:
the water sensor 35 is used for detecting the water leakage state in the cabinet body;
and the control device 30 is also in signal connection with the water sensor 35 and is further used for outputting alarm information to the alarm device 40 to give an alarm when water leaks in the cabinet body.
In this embodiment, water leakage may occur in the air conditioner 14 inside the cabinet during the cooling process, or condensed water is formed due to a high humidity inside the cabinet, so that a water sensor 35 is added to detect whether water leakage occurs inside the cabinet, and when water leakage occurs inside the cabinet, the control device 30 outputs alarm information and the alarm device 40 gives an alarm. The installation position of the water sensor 35 can be set according to practical experience, and is generally installed at a position where condensed water is easy to generate in the cabinet body.
Referring to fig. 6, preferably, the refrigeration control system of the cabinet of the present invention further includes:
the display panel 41 located on the front door is signal-connected to the control device 30.
In this embodiment, the display panel 41 is configured to display the temperature information outside the cabinet, the temperature information in the first channel, the on-off state of the air conditioner, the on-off state of the front door, the on-off state of the rear door, and the water leakage state inside the cabinet, which are received by the control device 30, and may also display the voltage information and the current information of each electronic device inside the cabinet. The display panel 41 is added on the front door, so that an operator can visually see the states of various devices in the cabinet, judge out possible impending bad states according to experience and take preventive measures early. The display panel 41 may be a color touch screen or a non-touch screen with keys, and in addition to the above display, information of other devices in the cabinet, such as an uninterruptible power supply and a power distribution unit, may also be displayed.
Referring to fig. 6, preferably, the refrigeration control system of the cabinet of the present invention further includes:
and a display terminal 42 in signal connection with the control device 30.
The utility model discloses in the preferred embodiment, display terminal 42 can be used for local the external temperature information of cabinet, the temperature information in the first passageway, the on-off state of air conditioner, the on-off state of qianmen, the on-off state of back door that control device 30 received to and the internal water leakage state of cabinet, also can be used to look over the voltage information and the electric current information of each electronic equipment in the rack. The display terminal may be a computer, for example, the control device 30 may be connected to a local area network or the internet, so as to realize local viewing or remote viewing of the states of various devices in the cabinet by the computer 42. The alarm information output by the control device 30 can be input to the display terminal 42 in addition to the alarm device 40, for example, the alarm information is sent to a designated electronic mailbox or a mobile phone by an electronic mailbox or a short message, so that remote monitoring can be realized, the requirement of real unattended operation is met, and the labor cost is greatly saved.
Preferably, the display terminal 42 is a mobile phone. The mobile phone is used as a personal object of an operator, and when the mobile phone receives alarm information, the operator can immediately know the condition of the cabinet, so that the problem can be immediately checked on site.
In any of the above embodiments, the control device may further detect a working mode of an uninterruptible power supply in the cabinet. And a power distribution unit connected with the uninterruptible power supply is added, the output end of the power distribution unit is provided with a plurality of switches, each switch can be connected with an electronic device or a fresh air inlet fan or an air outlet fan and the like, the power distribution unit can be in signal connection with a control device, and the control device can control different switches of the power distribution unit according to the obtained information to realize the on/off of each device. The control device can also detect the total voltage and the total current of the power distribution unit and the switch state of each switch, and can clearly judge the current load use condition in the cabinet and the power consumption condition of the IT equipment in the single cabinet in long-term use. And a humidity sensor can be added in the first channel, and a temperature and humidity sensor is added in the second channel and used for detecting the temperature and humidity conditions of the channels. When the electronic equipment in the cabinet works abnormally, if the air conditioner is supposed to be opened and actually is closed, the uninterrupted voltage fault is caused, or the voltage or the current of the power distribution unit is not in a normal range, when the cabinet is in an abnormal condition, if the front door is not closed and/or the rear door is not closed, the control device sends out alarm information to inform an operator, so that the safe operation of the cabinet is ensured.
The embodiment of the utility model provides a still provide the refrigeration control method of rack, as shown in fig. 7, fig. 7 is the utility model discloses refrigeration control method of rack an embodiment flow schematic diagram, the refrigeration control method includes:
and step 103, controlling the front door lock and the rear door lock to be opened.
The embodiment of the utility model provides an in, when judging the internal air conditioner of cabinet and breaking down, in order to avoid the internal thermal accumulation of cabinet and damage electronic equipment, consequently, open preceding lock and back lock, with the internal electronic equipment of cabinet in open environment, reduce the harm to electronic equipment.
The utility model discloses the refrigeration control method of preferred rack still includes:
acquiring temperature information outside the cabinet body and temperature information in the first channel;
when the temperature outside the cabinet body is lower than the temperature in the first channel and lasts for the first set length, the air conditioner in the cabinet is controlled to be closed, and the fresh air inlet fan and the fresh air outlet fan are controlled to be opened.
The embodiment of the utility model provides an in, be less than the temperature in the first passageway when the external temperature of cabinet to when lasting first setting for a long time, can utilize the outer cold source of rack to carry out the electronic equipment refrigeration internal to the cabinet, further the energy saving reduces the energy consumption, improves energy utilization.
On the basis of the refrigeration control method for the cabinet in the previous embodiment, the refrigeration control method further includes:
and when the temperature outside the cabinet body is not less than the temperature in the first channel and lasts for a second set length, controlling the air conditioner in the cabinet to be started, and controlling the fresh air inlet fan and the fresh air outlet fan to be closed.
As shown in fig. 8, fig. 8 is a schematic flow chart of a specific embodiment of a refrigeration control method for a cabinet according to the present invention, where the refrigeration control method includes:
and step 208, controlling the air conditioner to be started, and controlling the fresh air inlet fan and the fresh air outlet fan to be closed.
The utility model discloses the refrigeration control method of an preferred embodiment rack still includes:
acquiring a front door opening and closing state and a rear door opening and closing state;
and when the front door is opened and/or the rear door is opened, alarm information is output.
The utility model discloses the refrigeration control method of an preferred embodiment rack still includes:
acquiring a water leakage state in the cabinet body;
when water leaks in the cabinet body, alarm information is output.
Based on the same utility model concept, the utility model also provides a refrigeration control device of rack, as shown in FIG. 9, FIG. 9 is the utility model discloses the structure schematic diagram of a refrigeration control device embodiment of rack, refrigeration control device includes:
an acquisition device 51 for acquiring operating state information of the air conditioner;
and a control device 52 for controlling the front door lock and the rear door lock to be opened when the air conditioner malfunctions.
In the preferred embodiment of the present invention, the acquiring device 51 is further configured to acquire temperature information outside the cabinet body and temperature information inside the first channel; the control device 52 is further configured to control the air conditioner to be turned off and control the fresh air inlet fan and the fresh air outlet fan to be turned on when the temperature outside the cabinet is lower than the temperature inside the first channel and lasts for a first preset duration.
Preferably, the control device 52 is further configured to control the air conditioner in the cabinet to be turned on and control the fresh air inlet fan and the fresh air outlet fan to be turned off when the temperature outside the cabinet is not less than the temperature in the first channel and lasts for a second preset time.
Preferably, the acquiring device 51 is further used for acquiring the opening and closing state of the front door and the opening and closing state of the rear door; the control device 52 is further configured to output an alarm message when the front door is opened and/or the rear door is opened.
Preferably, the acquiring device 51 is further used for acquiring a water leakage state in the cabinet; the control device 52 is further used for outputting alarm information when water leaks in the cabinet body.
The utility model discloses foretell refrigeration control method, device and system not only are applicable to the rack that is located the computer lab, also can be applied to the place that the environment is slightly poor outside the cabinet.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (13)
1. A refrigeration control system for a cabinet, comprising:
a cabinet comprising a front door (11) having a front door lock (61) and a rear door (12) having a rear door lock (62);
a first driver (63) for driving the front door (11) to open when the front door lock (61) is open, and a second driver (64) for driving the rear door (12) to open when the rear door lock (62) is open;
an air conditioner (14) located inside the cabinet;
and the control device (30) is in signal connection with the front door lock (61), the rear door lock (62) and the air conditioner (14) respectively, and controls the front door lock (61) and the rear door lock (62) to be opened when the air conditioner fails.
2. The refrigeration control system of cabinet of claim 1, wherein said front door lock (61) and said rear door lock (62) are electromagnetic locks, respectively.
3. The refrigeration control system of claim 1, wherein said first drive member (63) is a gas strut or torsion spring; the second driving piece (64) is an air stay bar or a torsion spring.
4. The refrigeration control system of claim 2, wherein said first drive member (63) is a gas strut or torsion spring; the second driving piece (64) is an air stay bar or a torsion spring.
5. The refrigeration control system of the cabinet of claim 1, further comprising:
the refrigerator comprises a cabinet body, a bearing frame (13) which is located in the cabinet body and used for bearing electronic equipment, wherein a blocking plate which is used for blocking a gap between the electronic equipment and the cabinet body is arranged on one surface, facing to a front door (11), of the bearing frame (13), the front door (11) and the bearing frame (13) form a first channel (17), a second channel (18) is formed by the rear door (12) and the bearing frame (13), an air supply opening (15) of the air conditioner (2) is communicated with the first channel (17), and an air return opening (16) of the air conditioner (14) is communicated with the second channel (18).
6. Refrigeration control system of a cabinet according to claim 5, characterized in that the air conditioner (14) is located at the bottom inside the cabinet body; alternatively, the air conditioner (14) is located at the top inside the cabinet body.
7. The refrigeration control system of the cabinet of claim 5, further comprising:
the fresh air inlet fan (20) is positioned at the lower part of the front door (11) and is provided with a filter screen for filtering fresh air outside the cabinet body;
the air outlet fan (21) is positioned on the top plate of the cabinet body and is opposite to the second channel (18);
the temperature information detection device is used for detecting the temperature information inside and outside the cabinet body;
the control device (30) is further respectively in signal connection with the temperature information detection device, the fresh air inlet fan (20) and the air outlet fan (21), and is further used for controlling the air conditioner (14) to be closed and controlling the fresh air inlet fan (20) and the air outlet fan (21) to be opened when the temperature outside the cabinet body is smaller than the temperature in the first channel and lasts for a first set time length.
8. The refrigeration control system of claim 7, wherein the temperature information inside and outside the cabinet body is a difference between a temperature outside the cabinet body and a temperature inside the first channel, and the temperature detection device is a temperature difference sensor; or,
the internal and external temperature information of cabinet is the external temperature of cabinet and the temperature in the first passageway, temperature-detecting device includes: the first temperature sensor (31) is arranged outside the cabinet body and used for detecting temperature information outside the cabinet body; and the second temperature sensor (32) is arranged in the first channel (17) and is used for detecting the temperature information in the first channel.
9. The refrigeration control system of cabinet as set forth in claim 8, wherein said control device (30) includes a comparator for determining whether the temperature outside the cabinet is lower than the temperature inside the first duct, a timer, and a processor in signal connection with said comparator and said timer, respectively, said processor controlling said air conditioner (14) to turn on and said fresh air intake fan (20) and said air outlet fan (21) to turn off when the temperature outside the cabinet is not lower than the temperature inside the first duct for a second set duration.
10. The refrigeration control system of the cabinet of claim 1, further comprising:
a front door switch sensor (33) for detecting the switch state of the front door;
a rear door opening/closing sensor (34) for detecting the opening/closing state of the rear door;
the alarm device (40) is in signal connection with the control device (30);
the control device (30) is also in signal connection with the front door switch sensor (33) and the rear door switch sensor (34) respectively, and is further used for outputting alarm information to the alarm device (40) for alarming when the front door is opened and/or the rear door is opened.
11. The refrigeration control system of the cabinet of claim 10, further comprising:
the water immersion sensor (35) is used for detecting the water leakage state in the cabinet body;
the control device (30) is further in signal connection with the water immersion sensor (35) and further used for outputting alarm information to the alarm device (40) to give an alarm when water leaks in the cabinet body.
12. The refrigeration control system of any of claims 1 to 11, further comprising:
and the display panel (41) is positioned on the front door and is in signal connection with the control device (30).
13. The refrigeration control system of cabinet of claim 12, further comprising:
and the display terminal (42) is positioned outside the cabinet body and is in signal connection with the control device (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320682602.0U CN203554873U (en) | 2013-10-30 | 2013-10-30 | Refrigeration control system of machine cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320682602.0U CN203554873U (en) | 2013-10-30 | 2013-10-30 | Refrigeration control system of machine cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN203554873U true CN203554873U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320682602.0U Expired - Lifetime CN203554873U (en) | 2013-10-30 | 2013-10-30 | Refrigeration control system of machine cabinet |
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| Country | Link |
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| CN (1) | CN203554873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602483A (en) * | 2013-10-30 | 2015-05-06 | 艾默生网络能源有限公司 | Refrigerating control method, device and system for cabinet |
-
2013
- 2013-10-30 CN CN201320682602.0U patent/CN203554873U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602483A (en) * | 2013-10-30 | 2015-05-06 | 艾默生网络能源有限公司 | Refrigerating control method, device and system for cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Patentee after: VERTIV TECH Co.,Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: EMERSON NETWORK POWER Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
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| CX01 | Expiry of patent term |