CN204739716U - From heat extraction rack air conditioning system - Google Patents
From heat extraction rack air conditioning system Download PDFInfo
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- CN204739716U CN204739716U CN201520391198.0U CN201520391198U CN204739716U CN 204739716 U CN204739716 U CN 204739716U CN 201520391198 U CN201520391198 U CN 201520391198U CN 204739716 U CN204739716 U CN 204739716U
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Abstract
The utility model discloses a from heat extraction rack air conditioning system, including refrigerating system and control system, refrigerating system forms inclosed cooling circuit's evaporimeter, compressor, condenser and throttling arrangement including establishing ties in proper order, refrigerating system is equipped with the wind gap towards one side of outdoor air, be equipped with the forced draught blower between the air intake of evaporimeter and rack, be equipped with the blast gate on the intake stack between evaporimeter and the forced draught blower, the blast gate is located wind gap department for the switching of air runner under realization refrigeration operating mode and the forced draft operating mode. Control system includes two temperature sensor and a logic control circuit, and two temperature sensor install respectively in the inside of rack and outdoor, two temperature sensor's signal output part is continuous with two signal input part of logic control circuit respectively, logic control circuit's signal output part links to each other with the control end of blast gate. The utility model discloses can reduce computer lab refrigeration plant's energy consumption.
Description
Technical field
The utility model relates to a kind of from heat extraction air-conditioning, belongs to air conditioner technology field.
Background technology
Along with the develop rapidly of China's Telecommunication's cause and the continuous expansion of communication network scale, the electric cost of communication enterprise is also constantly going up.The air conditioning electricity of its communications equipment room accounts for about 50% of its building environment electricity consumption.Require a large amount of using air-condition equipment, thus effectively could ensure the normal operation of communication equipment, therefore air-conditioning equipment becomes the main current consuming apparatus of communication enterprise.So it seems from the situation of reality, communications equipment room environment energy-saving has very large potentiality.
At present, the refrigeration system that machine room is conventional cannot be run when civil power power-off, causes machine in-cabinet temperature sharply to rise, has a strong impact on the operation of communication network.In addition, conventional refrigeration system, for machine room large space environment refrigeration, to pass through to reduce the temperature of building environment air thus the temperature of reduction electronic equipment, causes unnecessary cold waste; While process electronic equipment dissipating heat amount, what also need removal machine room building enclosure obtains heat, increases the energy consumption of machine room refrigeration plant.
From foregoing, existing machine room Refrigeration Technique cannot be run when civil power power-off, can not meet the demand of emergent refrigeration, and energy consumption is higher, causes unnecessary energy dissipation.
Utility model content
The technical problem that the utility model solves is, for the deficiencies in the prior art, proposes a kind of from heat extraction air-conditioning, can reduce the energy consumption of machine room refrigeration plant.
The technical solution of the utility model is:
A kind of from heat extraction air-conditioning, comprise refrigeration system and control system;
Described refrigeration system comprises evaporimeter 9, compressor 10, condenser 11 and throttling arrangement;
The side of described refrigeration system faced chamber outer air is provided with air port;
Described evaporimeter 9, compressor 10, condenser 11 and throttling arrangement are connected successively and are formed airtight cooling circuit, for realizing the operation of cooling condition;
[method of operation of cooling condition is: liquid refrigerant absorbs the heat of vaporization that electronic equipment distributes in evaporimeter, cold-producing medium after evaporation enters condenser after compressing in compressor, high-temperature high-pressure refrigerant in condenser enters throttling arrangement after outdoor air cooling, cold-producing medium out becomes low-temp low-pressure liquid refrigerant afterwards after energy saver, enter evaporimeter, complete kind of refrigeration cycle; Hot-air in rack is got back in rack after the cooling of vaporizer side release heat.】
Pressure fan 8 is provided with, for the cold air after refrigeration system process is sent into interior of equipment cabinet between described evaporimeter 9 and the air inlet of rack;
Intake stack between described evaporimeter 9 and pressure fan 8 is provided with air-valve 13, and described air port place is located at by air-valve; [air-valve is for realizing the switching of air flow channel under cooling condition and forced ventilation operating mode; Under cooling condition, air-valve cuts out, the intake stack conducting between evaporimeter 9 and pressure fan 8, and the return air in rack sends into interior of equipment cabinet through pressure fan after refrigeration system cooling; Under forced ventilation operating mode, air-valve is opened, the intake stack conducting between air port and pressure fan 8, and outdoor air sends into interior of equipment cabinet through air port and pressure fan]
Described condenser 11 side is provided with exhaust blower 12, for strengthening the heat exchange of outdoor air and condenser;
Described control system comprises two temperature sensors and a logic control circuit, and two temperature sensors are arranged on inside and the outdoor of rack respectively, is respectively used to measure the temperature in rack and outdoor temperature; Two signal input parts of the signal output part difference andlogic control circuit of two temperature sensors are connected; The signal output part of logic control circuit is connected with the control end of air-valve.[logic control circuit is used for the leaf position of the measured value adjustment air-valve according to two temperature sensors, completes the switching of cooling condition and forced ventilation operating mode].
Described refrigeration system is divided into evaporator section and condensation segment;
Pressure fan 8 and evaporimeter 9 is provided with in described evaporator section;
Compressor 10, condenser 11, exhaust blower 12 and throttling arrangement is provided with in described condensation segment;
Evaporator section and condensation segment are that upper and lower arrangement architecture is arranged at side of cabinet, are provided with the battery section 6 of rack immediately below condensation segment;
Evaporator section is provided with the evaporator section air port 2 communicated with outdoor air; Described air-valve is positioned at evaporator section air port 2 place;
Condensation segment is provided with the condensation segment air inlet 4 and condensation segment air outlet 5 that communicate with outdoor air.
Described pressure fan 8 is perfusion blower fan, centrifugal blower or axial flow blower.
Described evaporimeter 9 is the evaporimeter of MCA or copper-tube aluminium foil construction.
Described condenser 11 is the condenser of MCA or copper-tube aluminium foil construction.
Described exhaust blower 12 is perfusion blower fan, centrifugal blower or axial flow blower.
Described throttling arrangement is capillary, heating power expansion valve or electric expansion valve.
Described air-valve 13 is driven by motor, and motor is controlled by logic control circuit, and logic control circuit controls according to the measured value of two temperature sensors the position that motor switches the blade of air-valve;
When the temperature in rack is not higher than preset value (40 DEG C), control under heat extraction air-conditioning is operated in cooling condition, air-valve cuts out, the intake stack conducting between evaporimeter 9 and pressure fan 8, and the return air in rack sends into interior of equipment cabinet through pressure fan after refrigeration system cooling;
When the temperature in rack is higher than preset value (40 DEG C), and the temperature of outdoor lower than indoor temperature time, control under heat extraction air-conditioning is operated in forced ventilation operating mode, namely by the leaf position of logic control circuit adjustment air-valve, make the intake stack conducting between air port and pressure fan 8, outdoor air sends into interior of equipment cabinet through air port and pressure fan.
Beneficial effect:
The utility model compared with prior art, has significant energy-saving effect.The utility model is directly lowered the temperature for communication cabinet internal heat generation electronic equipment, the cold air that refrigeration system produces directly is sent into electronic equipment surface, take away the caloric value of electronic equipment quickly and efficiently, ensure the safe and stable operation of communication network, what do not process machine room building enclosure obtains heat, reduce the load of refrigeration system, reduce the energy consumption of refrigeration; In addition, this air-conditioning system increases emergent refrigeration demand on the basis of conventional refrigeration, this system carries out pressure air draft when mains failure or refrigeration plant fault to communication cabinet, ensure the emergency communication requirement in communication cabinet, meet the safe operation of communication network within a certain period of time, ensure emergency communication safety.
Accompanying drawing explanation
Fig. 1 is from heat extraction rack schematic diagram;
Fig. 2 is from heat extraction air-conditioning schematic diagram;
Fig. 3 is from heat extraction cabinet air conditioner evaporator section schematic diagram 1 (air-valve is in closed condition);
Fig. 4 is from heat extraction cabinet air conditioner evaporator section schematic diagram 2 (air-valve is in opening);
Description of reference numerals:
1-evaporator section, 2-evaporator section air port, 3-condensation segment, 4-condensation segment air inlet, the outlet of 5-condensation segment wind, 6-battery section, 7-rack, 8-pressure fan, 9-evaporimeter; 10-compressor, 11-condenser, 12-exhaust blower, 13-air-valve.
Detailed description of the invention
In order to make technological means of the present utility model, character of innovation, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the operation principle of this utility model further.
Embodiment 1:
See Fig. 1--Fig. 4, the utility model provides a kind of from heat extraction air-conditioning, comprises refrigeration system and control system;
Described refrigeration system comprises evaporimeter 9, compressor 10, condenser 11 and throttling arrangement;
The side of described refrigeration system faced chamber outer air is provided with air port;
Described evaporimeter 9, compressor 10, condenser 11 and throttling arrangement are connected successively and are formed airtight cooling circuit, for realizing the operation of cooling condition;
[method of operation of cooling condition is: liquid refrigerant absorbs the heat of vaporization that electronic equipment distributes in evaporimeter, cold-producing medium after evaporation enters condenser after compressing in compressor, high-temperature high-pressure refrigerant in condenser enters throttling arrangement after outdoor air cooling, cold-producing medium out becomes low-temp low-pressure liquid refrigerant afterwards after energy saver, enter evaporimeter, complete kind of refrigeration cycle; Hot-air in rack is got back in rack after the cooling of vaporizer side release heat.】
Pressure fan 8 is provided with, for the cold air after refrigeration system process is sent into interior of equipment cabinet between described evaporimeter 9 and the air inlet of rack;
Intake stack between described evaporimeter 9 and pressure fan 8 is provided with air-valve 13, and described air port place is located at by air-valve; [air-valve is for realizing the switching of air flow channel under cooling condition and forced ventilation operating mode; Under cooling condition, air-valve cuts out, the intake stack conducting between evaporimeter 9 and pressure fan 8, and the return air in rack sends into interior of equipment cabinet through pressure fan after refrigeration system cooling; Under forced ventilation operating mode, air-valve is opened, the intake stack conducting between air port and pressure fan 8, and outdoor air sends into interior of equipment cabinet through air port and pressure fan]
Described condenser 11 side is provided with exhaust blower 12, for strengthening the heat exchange of outdoor air and condenser;
Described control system comprises two temperature sensors and a logic control circuit, and two temperature sensors are arranged on inside and the outdoor of rack respectively, is respectively used to measure the temperature in rack and outdoor temperature; Two signal input parts of the signal output part difference andlogic control circuit of two temperature sensors are connected; The signal output part of logic control circuit is connected with the control end of air-valve.[logic control circuit is used for the leaf position of the measured value adjustment air-valve according to two temperature sensors, completes the switching of cooling condition and forced ventilation operating mode].
Described refrigeration system is divided into evaporator section and condensation segment;
Pressure fan 8 and evaporimeter 9 is provided with in described evaporator section;
Compressor 10, condenser 11, exhaust blower 12 and throttling arrangement is provided with in described condensation segment;
Evaporator section and condensation segment are that upper and lower arrangement architecture is arranged at side of cabinet, are provided with the battery section 6 of rack immediately below condensation segment;
Evaporator section is provided with the evaporator section air port 2 communicated with outdoor air; Described air-valve is positioned at evaporator section air port 2 place;
Condensation segment is provided with the condensation segment air inlet 4 and condensation segment air outlet 5 that communicate with outdoor air.
Described pressure fan 8 is perfusion blower fan, centrifugal blower or axial flow blower.
Described evaporimeter 9 is the evaporimeter of MCA or copper-tube aluminium foil construction.
Described condenser 11 is the condenser of MCA or copper-tube aluminium foil construction.
Described exhaust blower 12 is perfusion blower fan, centrifugal blower or axial flow blower.
Described throttling arrangement is capillary, heating power expansion valve or electric expansion valve.
Described air-valve 13 is driven by motor, and motor is controlled by logic control circuit, and logic control circuit controls according to the measured value of two temperature sensors the position that motor switches the blade of air-valve;
When the temperature in rack is not higher than preset value, control under heat extraction air-conditioning is operated in cooling condition, air-valve cuts out, the intake stack conducting between evaporimeter 9 and pressure fan 8, and the return air in rack sends into interior of equipment cabinet through pressure fan after refrigeration system cooling;
When the temperature in rack is higher than preset value, and the temperature of outdoor lower than indoor temperature time, control under heat extraction air-conditioning is operated in forced ventilation operating mode, namely by the leaf position of logic control circuit adjustment air-valve, make the intake stack conducting between air port and pressure fan 8, outdoor air sends into interior of equipment cabinet through air port and pressure fan.
Adopt fabricated structure between described rack 7 and other racks, can adjust flexibly according to the quantity of rack in machine room and position.
The utility model directly carries out refrigeration cool-down for heating electric subset, directly cold air is sent into the surface of heating electric subset, efficiently takes away the caloric value of electronic equipment rapidly, without the need to process building enclosure heat, reduce the load of refrigeration plant, reduce energy consumption for cooling; In addition, this system increases the function of emergent refrigeration, starts forced ventilation function, meet the communicating requirement of electronic equipment within a certain period of time when refrigeration plant is out of service.
Work operating mode of the present utility model is divided into two kinds of operating modes to run, and is respectively cooling condition and forced ventilation operating mode.
Cooling condition: adopt steam compression type refrigeration mode, liquid refrigerant absorbs the heat of vaporization that electronic equipment distributes in evaporimeter, cold-producing medium after evaporation enters condenser after compressing in compressor, high-temperature high-pressure refrigerant in condenser enters throttling arrangement after outdoor air cooling, cold-producing medium out becomes low-temp low-pressure liquid refrigerant afterwards after energy saver, enter evaporimeter, complete kind of refrigeration cycle; Hot-air in rack is got back in rack after the cooling of vaporizer side release heat, in electric room circulation, takes away electronic equipment and runs the heat distributed, reduce machine in-cabinet temperature.
Forced ventilation operating mode: when the machine in-cabinet temperature that the factor such as mains failure or equipment fault causes is higher than preset value (40 DEG C), the leaf position of control system adjusting air valve starts this operating mode and carries out forced ventilation to rack, ensures the requirement of emergency communication.
When this air-conditioning system is normally run, air-valve position is arranged in the vertical state (closed condition) of Fig. 3, provides cold by refrigeration system, and the return air namely in rack sends back in rack by pressure fan 8 after the evaporimeter 9 in evaporator section is lowered the temperature; When municipal administration power failure or other reasons cause machine in-cabinet temperature higher than preset value (40 DEG C), air-valve is switched to the level (opening) in Fig. 4 by the vertical state in Fig. 3, the air outside rack is introduced through evaporator section air port 2, deliver in rack by pressure fan 8, high temperature air simultaneously in rack is discharged by evaporator section air port 2, realizes the forced ventilation heat extraction in rack.
The utility model directly carries out refrigeration cool-down for electronic radiation equipment, adopts evaporation refrigeration mode, reduces the temperature in rack; Cold air after cooling directly sends into the surface of heating electric subset, efficiently takes away the heat dissipation capacity of electronic equipment rapidly, without the need to process machine room building enclosure heat, reduce the load of refrigeration plant, reduce energy consumption for cooling; In addition, this air-conditioning system increases emergent refrigeration demand on the basis of conventional refrigeration, carries out forced ventilation, meet the safe operation of communication equipment within a certain period of time when civil power power-off or refrigeration plant fault to communication cabinet, ensures emergency communication safety.
Claims (8)
1. from a heat extraction air-conditioning, it is characterized in that, comprise refrigeration system and control system;
Described refrigeration system comprises evaporimeter (9), compressor (10), condenser (11) and throttling arrangement;
The side of described refrigeration system faced chamber outer air is provided with air port;
Described evaporimeter (9), compressor (10), condenser (11) and throttling arrangement are connected successively and are formed airtight cooling circuit, for realizing the operation of cooling condition;
Pressure fan (8) is provided with, for the cold air after refrigeration system process is sent into interior of equipment cabinet between described evaporimeter (9) and the air inlet of rack;
Intake stack between described evaporimeter (9) and pressure fan (8) is provided with air-valve (13), and described air port place is located at by air-valve;
Described condenser (11) side is provided with exhaust blower (12), for strengthening the heat exchange of outdoor air and condenser;
Described control system comprises two temperature sensors and a logic control circuit, and two temperature sensors are arranged on inside and the outdoor of rack respectively, is respectively used to measure the temperature in rack and outdoor temperature; Two signal input parts of the signal output part difference andlogic control circuit of two temperature sensors are connected; The signal output part of logic control circuit is connected with the control end of air-valve.
2. according to claim 1ly it is characterized in that from heat extraction air-conditioning, described refrigeration system is divided into evaporator section and condensation segment;
Pressure fan (8) and evaporimeter (9) is provided with in described evaporator section;
Compressor (10), condenser (11), exhaust blower (12) and throttling arrangement is provided with in described condensation segment;
Evaporator section and condensation segment are that upper and lower arrangement architecture is arranged at side of cabinet, are provided with the battery section (6) of rack immediately below condensation segment;
Evaporator section is provided with the evaporator section air port (2) communicated with outdoor air; Described air-valve is positioned at evaporator section air port (2) place;
Condensation segment is provided with the condensation segment air inlet (4) and condensation segment air outlet (5) that communicate with outdoor air.
3. one according to claim 1 is from heat extraction air-conditioning, it is characterized in that, described pressure fan (8) is perfusion blower fan, centrifugal blower or axial flow blower.
4. one according to claim 1 is from heat extraction air-conditioning, it is characterized in that, the evaporimeter that described evaporimeter (9) is MCA or copper-tube aluminium foil construction.
5. one according to claim 1 is from heat extraction air-conditioning, it is characterized in that, the condenser that described condenser (11) is MCA or copper-tube aluminium foil construction.
6. one according to claim 1 is from heat extraction air-conditioning, it is characterized in that, described exhaust blower (12) is perfusion blower fan, centrifugal blower or axial flow blower.
7. one according to claim 1 is from heat extraction air-conditioning, it is characterized in that, described throttling arrangement is capillary, heating power expansion valve or electric expansion valve.
8. the one according to any one of claim 1 ~ 7, from heat extraction air-conditioning, is characterized in that, described air-valve (13) is driven by motor, and motor is controlled by logic control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520391198.0U CN204739716U (en) | 2015-06-09 | 2015-06-09 | From heat extraction rack air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520391198.0U CN204739716U (en) | 2015-06-09 | 2015-06-09 | From heat extraction rack air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204739716U true CN204739716U (en) | 2015-11-04 |
Family
ID=54421447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520391198.0U Withdrawn - After Issue CN204739716U (en) | 2015-06-09 | 2015-06-09 | From heat extraction rack air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204739716U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896638A (en) * | 2015-06-09 | 2015-09-09 | 长沙麦融高科股份有限公司 | Self-heat-extraction cabinet air-conditioning system and control method thereof |
| CN109548368A (en) * | 2018-11-23 | 2019-03-29 | 南京四象新能源科技有限公司 | A kind of energy storage cabinet and its control method |
| CN114704923A (en) * | 2022-05-12 | 2022-07-05 | 湖南金隼软件科技有限公司 | Energy-saving base station air conditioning system with multiple operation modes |
-
2015
- 2015-06-09 CN CN201520391198.0U patent/CN204739716U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896638A (en) * | 2015-06-09 | 2015-09-09 | 长沙麦融高科股份有限公司 | Self-heat-extraction cabinet air-conditioning system and control method thereof |
| CN104896638B (en) * | 2015-06-09 | 2017-11-21 | 长沙麦融高科股份有限公司 | It is a kind of from heat extraction air-conditioning and its control method |
| CN109548368A (en) * | 2018-11-23 | 2019-03-29 | 南京四象新能源科技有限公司 | A kind of energy storage cabinet and its control method |
| CN114704923A (en) * | 2022-05-12 | 2022-07-05 | 湖南金隼软件科技有限公司 | Energy-saving base station air conditioning system with multiple operation modes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151104 Effective date of abandoning: 20171121 |
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| AV01 | Patent right actively abandoned |