CN201448951U - Energy-saving type device for regulating condensation temperature of central air-conditioning water-cooled units - Google Patents
Energy-saving type device for regulating condensation temperature of central air-conditioning water-cooled units Download PDFInfo
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- CN201448951U CN201448951U CN2009200343896U CN200920034389U CN201448951U CN 201448951 U CN201448951 U CN 201448951U CN 2009200343896 U CN2009200343896 U CN 2009200343896U CN 200920034389 U CN200920034389 U CN 200920034389U CN 201448951 U CN201448951 U CN 201448951U
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- heat exchanger
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Abstract
The utility model discloses an energy-saving type device for regulating condensation temperature of central air-conditioning water-cooled units, including a plate-type heat exchanger, a primary side thermal insulation pipeline, a secondary side thermal insulation pipeline, two independent cold sources connected to the primary side thermal insulation pipeline and the secondary side thermal insulation pipeline respectively, an electric control unit for controlling the cold sources, and a three-phase power supply source for supply power for the cold sources; the plate-type heat exchanger, the primary side thermal insulation pipeline, a water charge pipeline of a condenser and a cooling water backwater pipeline of the central air-conditioning water-cooled units refrigerator are communicated mutually to form a circulation hot-water exchange path; the plate-type heat exchanger, the secondary side thermal insulation pipeline and a pondage reservoir are communicated mutually to form a circulation hot-water exchange path; and the primary side thermal insulation pipeline and the secondary side thermal insulation pipeline are all provided with a pipeline pump. The utility model has advantages of professional design, convenient operation, flexible usage mode, good heat exchange effect and dependable performance, and is capable of resolving the problems of difference safe reliability, high operation cost and the like of the existing units.
Description
Technical field
The utility model belongs to central air-conditioning water-cooled unit applied technical field, especially relates to a kind of central air-conditioning water-cooled unit with energy-saving condensation temperature adjusting device.
Background technology
Along with social progress, various places urbanization speeds up, and skyscraper also increases rapidly in the city, skyscraper 5A intelligence system and collection the becoming better and approaching perfection day by day of control techniques, central air conditioner system also become in the skyscraper can not default indispensability the ventilation low-temperature receiver.But; in the actual use; central type cold water formula machine set system is because of multiple composite factor; in the full high load capacity phase (sauna day); through regular meeting occur can not stable operation because of condensation temperature height situation; and finally cause main frame refrigerating capacity and efficiency to descend, the internal system water temperature raises, terminal degree of comfort decreased.Coagulate the unsettled practical problem of operating mode that temperature causes for central type cold water formula unit because of height.Traditional processing method has increases coolant pump, add cold tower, draw that main frame cold water is lowered the temperature, system's far-end (overflow) moisturizing, pour point depression heat transfer temperature difference, increase and throw guest machine etc., but above-mentioned processing method all exists some defectives and deficiency to some extent, treatment effect is relatively poor, and the power consumption of each link is more, make high operating mode and the load of coagulating of the high load capacity of central type cold water formula unit change before and after handling little, unit maintenance operating cost is risen, security reliability descends, the precision of air conditioning substantial deviation standard designing requirement of terminal air-conditioning service area.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, provide a kind of central air-conditioning water-cooled unit with energy-saving condensation temperature adjusting device, its modern design is reasonable, easy and simple to handle, occupation mode flexibly and good effect of heat exchange, reliable working performance, can effectively solve existing unit height and coagulate under the warm operating mode practical problems such as existing operating cost height, security reliability difference and energy consumption are many.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of central air-conditioning water-cooled unit is with energy-saving condensation temperature adjusting device, it is characterized in that: comprise that plate type heat exchanger, primary side utilidor, secondary side utilidor, two are connected on independent low-temperature receiver in primary side utilidor and the secondary side utilidor respectively, electric control gear that two independent low-temperature receivers are controlled and be the three phase supply power supply that two independent low-temperature receivers are powered, described electric control gear and three phase supply power supply join with independent low-temperature receiver respectively; The primary side intake-outlet of described plate type heat exchanger joins by the condenser inlet pipeline and the CWR road of primary side utilidor and central air-conditioning water-cooled unit refrigeration machine respectively, and plate type heat exchanger, primary side utilidor and condenser inlet pipeline and cycle heat exchange water route of connection composition, CWR road; The secondary side intake-outlet of plate type heat exchanger joins by secondary side utilidor and cistern respectively, and plate type heat exchanger, secondary side utilidor and cistern are communicated with cycle heat exchange water route of composition; On described primary side utilidor and the secondary side utilidor tubing pump is housed all.
Be connected by straight pipe between described condenser inlet pipeline and CWR road, the straight pipe valve is housed on the described straight pipe.
Described independent low-temperature receiver is made up of the heat exchanger that is connected to form a circularly cooling loop successively, compressor, condenser and throttle expansion valve, the heat exchanger correspondence of two independent low-temperature receivers is connected on respectively in primary side utilidor and the secondary side utilidor, compressor and condenser join with electric control gear and described three phase supply power supply respectively, and described condenser is provided with the heat exchange fan.
Also comprise on the water pipe that joins with the primary side utilidor and the water pipe water compensating valve is housed.
The heat exchanger correspondence of described two independent low-temperature receivers is connected on the delivery port place of primary side utilidor and the water inlet of secondary side utilidor respectively.
Be connected on a bypass line and the bypass line between the secondary side delivery port of described plate type heat exchanger and primary side water inlet bypath valve is housed.
Described electric control gear comprises two groups of control loops of respectively two independent low-temperature receivers being controlled, and be serially connected with start button, stop button, differential pressure control switch, overheat switch, temperature detect switch (TDS) and relay in the described control loop respectively, the normally opened contact of described relay and start button are mutually and connect; Described control loop one terminates on arbitrary phase electric wire in the independent low-temperature receiver three phase supply loop and its other end is connected on the center line of described three phase supply power supply; Described three phase supply power supply joins with compressor and condenser respectively behind the normally opened contact of circuit breaker Q F, fuse FU, described relay and overheat protector successively.
Between the primary side intake-outlet and primary side utilidor of described plate type heat exchanger, and all be connected between the secondary side intake-outlet of plate type heat exchanger and the secondary side utilidor by flexible coupling.
The utility model compared with prior art has the following advantages:
1, by having realized the other condensation temperature adjustment of machine of refrigeration machine at the other set condenser inlet pipeline of central air-conditioning water-cooled unit refrigeration machine machine with the straight pipe that the CWR road joins, condensation temperature adjustable range and power conversion number of times and transmission range have been shortened from space-time, so use more flexible, save time and adjustment effectively, directly, low-temperature receiver work is more reliable and more stable.
2, can effectively regulate the too high temperature of coagulating, unit operating mode stabilization efficiency is promoted, finally be implemented in traditional add cold tower circulating pump, draw the cooling of main frame cold water, mend unboiled water, add fully water, add standby host, cooling is carried out purpose of energy saving for each links such as return pipe backheat, consumption.
3, novel in design rationally and result of use good, adopt secondary low-temperature receiver water-white sky to carry out secondary heat exchange for the primary side cooling water by cistern (being fire cistern) and independent low-temperature receiver, specifically be to deliver to cistern after once lowering the temperature again to inhale cold, also can carry out low-cost cold-storage by independent low-temperature receiver at cistern in the electricity charge in the night valley phase, thereby and existing traditional approach ratio, more energy-conserving and environment-protective, economic security may.
4, occupation mode is flexible, can lower the temperature with cistern (19 ± 1 ℃) when load is low, during no cistern, available one-sided low-temperature receiver is directly lowered the temperature for cold machine cooling backwater, holding (or fire-fighting) pond can shift to an earlier date cold-storage in the electricity charge valley phase, and it is energy-conservation to perform " keeping away the peak with regard to paddy ".
5, cooling back on the water pipe, the cooling water backwater is regulated, made the system works performance more reliable and more stable by the bypass mode.
6, cooling water system backwater amount can be regulated (according to different type of machines, selecting different tube diameters) in the scope of 30%-90%.
7, can improve effectively that traditional cold tower cooler mode is poor because of the cooling capacity that various combined causes cause, unit condensation temperature height, have the present situations such as highly energy-consuming in big the region between the heart and the diaphragm district, the utility model is by regulating condensation (or cooling water) temperature, can effectively improve the completely negative unsettled practical problem of phase operating condition of central air-conditioning water-cooled unit height in low, also can improve the comprehensive Energy Efficiency Ratio of system, finally effectively improve the precision of air conditioning of terminal air-conditioning service area.
In sum, the utility model has changed the thinking that tradition reduces condensation temperature, having changed the central air-conditioning cooling water system only has the mode of cold tower far-end outdoor single cooling moisturizing, to now moving the problem rectification that there is the cooling effect difference in old system, provide a kind of than the reasonable temperature control method, it is concentrated and has adopted minimizing power conversion number of times, secondary moisture heat-exchange system circulation, closely measures such as closely condensation temperature adjustment are transmitted promptly in heat exchange, have reduced intermediate consumption significantly.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the circuit theory diagrams of two independent low-temperature receivers of the utility model and electric control gear.
Description of reference numerals:
The 1-plate type heat exchanger; The 2-flexible coupling; 3-primary side utilidor;
The 4-tubing pump; 5-independence low-temperature receiver; The 5-1-heat exchanger;
The 5-2-compressor; The 5-3-condenser; The 5-4-throttle expansion valve;
The 6-electric control gear; 7-condenser inlet pipeline; The 8-bypath valve;
9-secondary side utilidor; 10-CWR road; The 11-water pipe;
The 12-cistern; The 13-overheat protector; The 14-bypass line;
15-on-off control valve door; The 16-control cabinet; The 17-water compensating valve;
The 18-straight pipe; 19-straight pipe valve.
The specific embodiment
As shown in Figure 1, the utility model comprises plate type heat exchanger 1, primary side utilidor 3, secondary side utilidor 9, two electric control gears 6 that are connected on independent low-temperature receiver 5 in primary side utilidor 3 and the secondary side utilidor 9 respectively, two independent low-temperature receivers 5 are controlled and is two three phase supply power supplys that independent low-temperature receiver 5 is powered that described electric control gear 6 and three phase supply power supply join with independent low-temperature receiver 5 respectively.The primary side intake-outlet of described plate type heat exchanger 1 joins by the condenser inlet pipeline 7 and the CWR road 10 of primary side utilidor 3 with central air-conditioning water-cooled unit refrigeration machine respectively, and plate type heat exchanger 1, primary side utilidor 3 and condenser inlet pipeline 7 and cycle heat exchange water route of 10 connection compositions, CWR road; The secondary side intake-outlet of plate type heat exchanger 1 joins by secondary side utilidor 9 and cistern 12 respectively, and plate type heat exchanger 1, secondary side utilidor 9 and cistern 12 are communicated with cycle heat exchange water route of composition.On described primary side utilidor 3 and the secondary side utilidor 9 tubing pump 4 is housed all, and on primary side utilidor 3 and the secondary side utilidor 9 on-off control valve door 15 is housed all.Described plate type heat exchanger 1, electric control gear 6 and independent low-temperature receiver 5 are installed in the control cabinet 16.10 on described condenser inlet pipeline 7 and CWR road are connected by straight pipe 18, on the described straight pipe 18 straight pipe valve 19 are housed.In the actual use, can realize the purpose of closely condensation temperature of central air conditioner water cold type unit refrigeration machine being adjusted by straight pipe 18.Described condenser inlet pipeline 7 is for being laid in the inlet pipeline by the central air-conditioning water-cooled unit refrigeration machine machine.
Described independent low-temperature receiver 5 is made up of the heat exchanger 5-1 that is connected to form a circularly cooling loop successively, compressor 5-2, condenser 5-3 and throttle expansion valve 5-4, the heat exchanger 5-1 correspondence of described two independent low-temperature receivers 5 is connected on respectively in primary side utilidor 3 and the secondary side utilidor 9, and compressor 5-2 and condenser 5-3 join with electric control gear 6 and described three phase supply power supply respectively.Described condenser 5-3 is provided with the heat exchange fan.Simultaneously, the utility model also comprises on the water pipe 11 that joins with primary side utilidor 3 and the water pipe 11 water compensating valve 17 is housed.In the actual use, realize central air conditioner water cold type unit is carried out the effect of the other moisturizing of machine nearby by water pipe 11.
In the present embodiment, the heat exchanger 5-1 correspondence of described two independent low-temperature receivers 5 is connected on the delivery port place of primary side utilidor 3 and the water inlet of secondary side utilidor 9 respectively. and be connected on a bypass line 14 and the bypass line 14 between the secondary side delivery port of described plate type heat exchanger 1 and primary side water inlet bypath valve 8 is housed.Between the primary side intake-outlet and primary side utilidor 3 of described plate type heat exchanger 1, and all be connected between the secondary side intake-outlet of plate type heat exchanger 1 and the secondary side utilidor 9 by flexible coupling 2.
Described electric control gear 6 comprises two groups of control loops of respectively two independent low-temperature receivers 5 being controlled, and be serially connected with start button, stop button, differential pressure control switch, overheat switch, temperature detect switch (TDS) and relay in the described control loop respectively, the normally opened contact of described relay and start button are mutually and connect; Described control loop one terminates on arbitrary phase electric wire in the independent low-temperature receiver 5 three phase supply loops and its other end is connected on the center line of described three phase supply power supply.Described three phase supply power supply joins with compressor 5-2 and condenser 5-3 respectively behind the normally opened contact of circuit breaker Q F, fuse FU, described relay and overheat protector 13 successively.
In conjunction with Fig. 2; the compressor 5-2 of an independent low-temperature receiver 5 and condenser 5-3 (comprising the heat exchange fan) are respectively M1 and M2 in described two independent low-temperature receivers 5; and the start button of this independent low-temperature receiver 5, stop button, differential pressure control switch, overheat switch, temperature detect switch (TDS) and relay are respectively SB3, SB1, YJ1, FR1, T1 and relay K M1, and the normally opened contact KM1 of relay K M1 and SB3 are mutually and connect.Described SB3, SB1, YJ1, FR1, T1 and after relay K M1 is connected in series mutually, two ends are connected on arbitrary electric wire mutually in M1 and M2 three phase supply loop respectively and on the center line of described three phase supply power supply.The compressor 5-2 of another independent low-temperature receiver 5 and condenser 5-3 (comprising the heat exchange fan) are respectively M3 and M4; and the start button of this independent low-temperature receiver 5, stop button, differential pressure control switch, overheat switch, temperature detect switch (TDS) and relay are respectively SB4, SB2, YJ2, FR2, T2 and relay K M2, and the normally opened contact KM2 of relay K M2 and SB4 are mutually and connect.Described SB4, SB2, YJ2, FR2, T2 and after relay K M2 is connected in series mutually, two ends are connected on arbitrary electric wire mutually in M3 and M4 three phase supply loop respectively and on the center line of described three phase supply power supply.
In the actual use, when summer, power load was higher, available pair of low-temperature receiver (comprising plate type heat exchanger 1 and independent low-temperature receiver 5) and cistern are lowered the temperature simultaneously, particularly: after at first adopting 1 pair of cooling water backwater that flows into from the CWR road 10 of central air-conditioning water-cooled unit refrigeration machine of plate type heat exchanger to carry out heat exchange, adopting secondary low-temperature receiver water again is after cistern 12 carries out secondary repetition heat exchange, lower the temperature with an independent low-temperature receiver 5 again, repeat once more to lower the temperature by another independent low-temperature receiver 5 more afterwards for the cooling water water outlet that is gone out from plate type heat exchanger 1 primary side delivery port, and then will deliver to the condenser inlet pipeline 7 of central air-conditioning water-cooled unit refrigeration machine through the cooling water after repeatedly heat exchange is lowered the temperature, thereby make water temperature lower, effect is better.Simultaneously, the utility model has also increased the water pipe 11 that traditional water charging system that cools promptly is laid in the machine side.When needs use cistern 12 and independent low-temperature receiver 5, then the two can be closed respectively, corresponding employing plate type heat exchanger 1 lowered the temperature.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (8)
1. a central air-conditioning water-cooled unit is with energy-saving condensation temperature adjusting device, it is characterized in that: comprise that plate type heat exchanger (1), primary side utilidor (3), secondary side utilidor (9), two are connected on independent low-temperature receiver (5) in primary side utilidor (3) and the secondary side utilidor (9) respectively, electric control gear (6) that two independent low-temperature receivers (5) are controlled and be the three phase supply power supply that two independent low-temperature receivers (5) are powered, described electric control gear (6) and three phase supply power supply join with independent low-temperature receiver (5) respectively; The primary side intake-outlet of described plate type heat exchanger (1) joins by condenser inlet pipeline (7) and CWR road (10) of primary side utilidor (3) with central air-conditioning water-cooled unit refrigeration machine respectively, and plate type heat exchanger (1), primary side utilidor (3) and condenser inlet pipeline (7) and cycle heat exchange water route of CWR road (10) connection composition; The secondary side intake-outlet of plate type heat exchanger (1) joins by secondary side utilidor (9) and cistern (12) respectively, and plate type heat exchanger (1), secondary side utilidor (9) and cistern (12) are communicated with cycle heat exchange water route of composition; On described primary side utilidor (3) and the secondary side utilidor (9) tubing pump (4) is housed all.
According to the described central air-conditioning water-cooled of claim 1 unit with energy-saving condensation temperature adjusting device, it is characterized in that: be connected by straight pipe (18) between described condenser inlet pipeline (7) and CWR road (10), straight pipe valve (19) is housed on the described straight pipe (18).
According to claim 1 or 2 described central air-conditioning water-cooled units with energy-saving condensation temperature adjusting device, it is characterized in that: described independent low-temperature receiver (5) is by the heat exchanger that is connected to form a circularly cooling loop successively (5-1), compressor (5-2), condenser (5-3) and throttle expansion valve (5-4) are formed, heat exchanger (5-1) correspondence of two independent low-temperature receivers (5) is connected on respectively in primary side utilidor (3) and the secondary side utilidor (9), compressor (5-2) and condenser (5-3) join with electric control gear (6) and described three phase supply power supply respectively, and described condenser (5-3) is provided with the heat exchange fan.
According to claim 1 or 2 described central air-conditioning water-cooled units with energy-saving condensation temperature adjusting device, it is characterized in that: also comprise on the water pipe (11) that joins with primary side utilidor (3) and the water pipe (11) water compensating valve (17) is housed.
According to the described central air-conditioning water-cooled of claim 3 unit with energy-saving condensation temperature adjusting device, it is characterized in that: heat exchanger (5-1) correspondence of described two independent low-temperature receivers (5) is connected on the delivery port place of primary side utilidor (3) and the water inlet of secondary side utilidor (9) respectively.
According to claim 1 or 2 described central air-conditioning water-cooled units with energy-saving condensation temperature adjusting device, it is characterized in that: be connected between the secondary side delivery port of described plate type heat exchanger (1) and primary side water inlet on a bypass line (14) and the bypass line (14) bypath valve (8) is housed.
According to claim 1 or 2 described central air-conditioning water-cooled units with energy-saving condensation temperature adjusting device, it is characterized in that: described electric control gear (6) comprises two groups of control loops of respectively two independent low-temperature receivers (5) being controlled, and be serially connected with start button, stop button, differential pressure control switch, overheat switch, temperature detect switch (TDS) and relay in the described control loop respectively, the normally opened contact of described relay and start button are mutually and connect; Described control loop one terminates on arbitrary phase electric wire in independent low-temperature receiver (5) the three phase supply loop and its other end is connected on the center line of described three phase supply power supply; Described three phase supply power supply joins with compressor (5-2) and condenser (5-3) respectively behind the normally opened contact of circuit breaker Q F, fuse FU, described relay and overheat protector (13) successively.
According to claim 1 or 2 described central air-conditioning water-cooled units with energy-saving condensation temperature adjusting device, it is characterized in that: between the primary side intake-outlet of described plate type heat exchanger (1) and the primary side utilidor (3), and all be connected between the secondary side intake-outlet of plate type heat exchanger (1) and the secondary side utilidor (9) by flexible coupling (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200343896U CN201448951U (en) | 2009-08-31 | 2009-08-31 | Energy-saving type device for regulating condensation temperature of central air-conditioning water-cooled units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200343896U CN201448951U (en) | 2009-08-31 | 2009-08-31 | Energy-saving type device for regulating condensation temperature of central air-conditioning water-cooled units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448951U true CN201448951U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200343896U Expired - Fee Related CN201448951U (en) | 2009-08-31 | 2009-08-31 | Energy-saving type device for regulating condensation temperature of central air-conditioning water-cooled units |
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| Country | Link |
|---|---|
| CN (1) | CN201448951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222230A (en) * | 2015-10-16 | 2016-01-06 | 珠海格力电器股份有限公司 | Inter-row air conditioner, pressure regulating method of inter-row air conditioner and inter-row air conditioning system |
| CN106051986A (en) * | 2016-07-22 | 2016-10-26 | 珠海格力电器股份有限公司 | Water-cooling air conditioning unit and water route assembly thereof |
-
2009
- 2009-08-31 CN CN2009200343896U patent/CN201448951U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222230A (en) * | 2015-10-16 | 2016-01-06 | 珠海格力电器股份有限公司 | Inter-row air conditioner, pressure regulating method of inter-row air conditioner and inter-row air conditioning system |
| CN106051986A (en) * | 2016-07-22 | 2016-10-26 | 珠海格力电器股份有限公司 | Water-cooling air conditioning unit and water route assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120831 |