CN210373898U - Refrigerating system - Google Patents
Refrigerating system Download PDFInfo
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- CN210373898U CN210373898U CN201921029137.4U CN201921029137U CN210373898U CN 210373898 U CN210373898 U CN 210373898U CN 201921029137 U CN201921029137 U CN 201921029137U CN 210373898 U CN210373898 U CN 210373898U
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Abstract
The utility model provides a refrigerating system, including air inlet chamber, air mixing chamber, air supply chamber and refrigerating plant, wherein, set up the circulating device in the spray heat exchange system of natural cooling, pump the water that prestores in the basin into the spray set, the water that sprays out falls into the basin after the heat transfer and recycles, reduces the wasting of resources; the water level control system is arranged in the water tank, so that the normal operation of a circulating water pump in the circulating device under a safe water level can be ensured, the total water amount entering the water tank can be controlled through the water level control system, and the heat exchange amount of indoor air is controlled to a certain extent through the control of the total water amount; in addition, under the environment that the indoor temperature is lower in winter, the water in the water tank and the pipeline connected with the water tank is discharged through the water level control system, the freezing phenomenon can be effectively avoided, and the service life of the refrigerating system is prolonged.
Description
Technical Field
The utility model belongs to the technical field of refrigeration plant, concretely relates to refrigerating system.
Background
The application of the refrigerating device in life is more and more extensive, the indoor air temperature is adjusted through the refrigerating device, but the pure mechanical refrigeration energy consumption is high, and the energy efficiency ratio is low. The direct evaporative cooling efficiency of new trend is high, but temperature and humidity control is unstable, and the temperature range that can adjust is little, utilizes natural cooling, can not make indoor temperature drop to the temperature that needs in hot season, and especially like data center and computer lab like the high and need the region that the year-round cooling keeps certain temperature of indoor radiating temperature, only utilize natural cooling can't reach the requirement to only utilize the difference in temperature of indoor outer air to carry out the heat transfer, cause indoor environmental pollution easily when outdoor air quality is not good.
Therefore, chinese patent document CN208253826U discloses a combined device of indirect natural cooling and mechanical refrigeration of fresh air, which includes a spraying device and a heat exchange device for indirect evaporative cooling, and a mechanical refrigeration device, so as to be used for refrigeration in high-temperature seasons or in environments with lower temperature requirements.
However, the water source of the spraying device in the combined device is accessed from the outside, the water falling into the water collecting tank after spraying is discharged to the outside through the pipeline, the sprayed water source is not recycled, the resource waste is caused, and the freezing problem caused by the freezing of the water in the water collecting tank and the water collecting tank connecting pipeline when the temperature is too low in winter is not considered.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that current refrigerating system does not have cyclic utilization and is used for refrigerated water and the temperature water freezes when low excessively and causes basin and pipeline to damage.
To this end, the utility model provides a refrigerating system, include
Comprises an air inlet cavity, an air mixing cavity, an air supply cavity and a refrigerating device, wherein,
the air inlet cavity is provided with a fresh air inlet; the air mixing cavity is provided with an air return inlet and an air outlet; the air return inlet is connected with indoor return air; the refrigerating device is arranged between the fresh air inlet and the air outlet;
the refrigerating device comprises
The spraying device is arranged in the air mixing cavity and is positioned at the intersection of the air inlet path and the air return path;
the water tank is arranged below the spraying device and is provided with a water level control system;
and the circulating device is arranged between the spraying device and the water tank and is suitable for circularly pumping the water in the water tank into the spraying device.
Preferably, the refrigeration system, the water level control system comprises
The water level controller is arranged in the water tank;
the temperature sensor is electrically connected with the water level controller and is suitable for monitoring the outdoor temperature in real time;
and the water level controller controls the opening or closing of a water inlet valve in the water tank or controls the opening or closing of a water outlet valve in the water tank according to the temperature signal of the temperature sensor.
Preferably, in the refrigeration system, the water level controller is a reed pipe water level controller.
Preferably, in the refrigeration system, the circulating device comprises
The circulating water pump is arranged in the water tank;
the circulating pipe is communicated with the circulating water pump and the spraying device;
the circulating water pump pumps the water sprayed by the spraying device and falling into the water tank into the spraying device through the circulating pipe for circulating spraying.
Preferably, the refrigeration system further comprises
The heat exchanger is arranged at the intersection of a spraying path and a return air path from the spraying device to the water tank;
the condenser is positioned between the spraying device and the air outlet.
Preferably, in the refrigeration system, the heat exchanger is a plate heat exchanger and has heat exchange fins.
Preferably, in the refrigeration system, the heat exchanger plate is made of a high polymer material.
Preferably, the refrigeration system further comprises
And the cold coil is arranged in the air mixing cavity and is close to the air outlet.
Preferably, in the refrigeration system, the air inlet cavity and the air supply cavity are arranged at intervals and in the same layer; the air mixing cavity is arranged above the air inlet cavity and the air supply cavity and is communicated with the air inlet cavity and the air supply cavity respectively.
Preferably, in the refrigeration system, a first air port is arranged between the air mixing cavity and the air supply cavity; and the first air port is provided with a fan.
The technical scheme of the utility model, have following advantage:
1. the utility model provides a refrigerating system, set up the circulating device in the spray heat exchange system of natural cooling, pump the water that prestores in the basin into the spray set, the water that sprays out falls into the basin after the heat transfer and recycles, reduce the wasting of resources; the water level control system is arranged in the water tank, so that the normal operation of a circulating water pump in the circulating device under a safe water level can be ensured, the total water amount entering the water tank can be controlled through the water level control system, and the heat exchange amount of indoor air is controlled to a certain extent through the control of the total water amount; in addition, under the environment that the indoor temperature is lower in winter, the water in the water tank and the pipeline connected with the water tank is discharged through the water level control system, the freezing phenomenon can be effectively avoided, and the service life of the refrigerating system is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of the refrigeration system of the present invention;
fig. 2 is a schematic structural diagram of the refrigeration system of the present invention.
Description of reference numerals:
1-an air inlet cavity; 10-a cold coil pipe; 11-fresh air port;
2-a wind mixing cavity; 21-air return inlet; 22-an air outlet;
3-air supply cavity; 31-air supply outlet; 32-a first tuyere; 320-a fan;
4-a spraying device; 5-a water tank; 61-circulating water pump; 62-a circulation pipe;
7-a water level controller; 8-a heat exchanger;
91-a condenser; 92-a compressor; 93-connecting pipe;
100-an upper shell; 200-lower shell.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
In this embodiment, as shown in fig. 1, a refrigeration system is provided, and includes an upper casing 100 and a lower casing 200, in this embodiment, the upper casing 100 and the lower casing 200 respectively adopt a container casing, an air intake chamber 1 and an air supply chamber 3 are partitioned from an inner cavity of the lower casing 200 at left and right sides, a fresh air opening 11 is formed on a side wall surface of the air intake chamber 1 located on the lower casing 200, and the fresh air opening 11 can adopt a grid hole or a grid, etc.; the inner cavity of the upper casing 100 forms an air mixing cavity 2, the air mixing cavity 2 and the air supply cavity 3 are communicated through a fan 320, and the fans 320 are arranged in a row along the length direction of the casing, for example, five or six fans 320 are arranged. Mix between wind chamber 2 and the air inlet chamber 1 intercommunication setting, mix wind chamber 2 top and have the air exit 22, air exit 22 sets up in a row along casing length direction, as shown in fig. 2, in this embodiment, air exit 22 sets up five, sets up fan 320 on every air exit 22, and in this embodiment, fan 320 all adopts high-efficient EC centrifugal fan, can realize the air regulation according to load variation. As shown in fig. 2, the air mixing chamber 2 is provided with a return air inlet 21 on the side wall surface of the upper casing 100 near the supply air outlet 31, the indoor return air is connected, and the refrigerating device is arranged in the air intake chamber 1 and the air mixing chamber 2 between the fresh air inlet 11 and the exhaust air outlet 22.
As shown in fig. 1, an air inlet path is formed in the upper casing 100 and the lower casing 200, the air inlet path enters the air inlet cavity 1 from the fresh air inlet 11, is cooled by the air mixing cavity 2 and then reaches the first air inlet 32, the return air path enters the air mixing cavity 2 from the return air inlet 21, is cooled and then reaches the first air inlet 32, the air mixing cavity 2 is discharged to an air outlet path outside the upper casing 100 through the air outlet 22, and the cooled air is conveyed to the air supply cavity 3 from the air mixing cavity 2 through the fan 320 at the first air inlet 32 and is supplied to the indoor through the air supply outlet 31.
As shown in fig. 1, the refrigerating apparatus includes a shower device 4, a water tank 5, a circulation device, a heat exchanger 8, a condenser 91, and a cooling coil 10. Wherein, the water tank 5 is arranged at the bottom of the air inlet cavity 1, the water tank 5 is provided with a water inlet valve (not shown in the figure) and a water outlet valve (not shown in the figure), the spraying device 4 is arranged in the air mixing cavity 2, is positioned right above the water tank 5 and is positioned at the intersection of the air inlet path and the air return path, a spray head on the spraying device 4 is arranged towards the water tank 5 to form a vertical spraying path from the spray head towards the water tank 5, the sprayed water is conveniently recycled in the water tank 5, a circulating device is arranged between the water tank 5 and the spraying device 4 and comprises a circulating water pump 61 and a circulating pipe 62, the circulating water pump 61 is arranged under the water surface in the water tank 5, one end of the circulating pipe 62 is connected to the circulating water pump 61, the other end is connected to the spraying device 4, the circulating water pump 61 pumps the water in the water tank 5 into the spraying device 4 through the circulating pipe 62 and sprays out from the spray head, and (5) circularly spraying.
The water tank 5 is also provided with a water level control system, the water level control system comprises a water level controller 7 and a temperature sensor (not shown in the figure), wherein the water level controller 7 is arranged in the water tank 5, in this embodiment, the water level controller 7 is a reed pipe water level controller, or a floating ball magnetic switch liquid level controller or an electrode type water level controller, and the like, and the water level controller 7 controls the opening and closing of a water inlet valve or the opening and closing of a water outlet valve in the water tank according to a temperature signal fed back by the temperature sensor according to specific needs. The water tank 5 can be supplied and discharged with water according to the temperature value to maintain a certain water level. When the heat exchange temperature is high, water can be fed into the water tank 5 to keep a high water level, so that the heat exchange water quantity is increased, and the evaporation of water at high temperature is effectively compensated; when the temperature of heat exchange is lower, the water in the water tank 5 can be discharged and reduced to a low water level, and a small amount of water can meet the heat exchange requirement, thereby saving resources. The temperature sensor is arranged outside the shell and electrically connected with the water level controller 7, the temperature controller monitors the outside temperature in real time and feeds back the temperature value to the water level controller 7, and when the outdoor temperature is low and water is easy to freeze, the water level controller 7 drains the water in the water tank 5 according to a preset temperature value, for example, the preset temperature value is 0-3 ℃; temperature sensor can also set up in 5 in order real-time detection temperature of basin, when the temperature was close freezing point and is 0 degrees centigrade, feeds back temperature signal to water level controller 7 in order to arrange the water of 5 in the basin completely, prevents to freeze and causes the damage of basin 5 and the pipeline that communicates with basin 5.
As shown in fig. 1, still set up heat exchanger 8 in the mixed wind chamber 2 of spray set 4 below, improve air heat exchange efficiency, in this embodiment, heat exchanger 8 adopts plate heat exchanger, and heat exchanger 8's heat exchanger fin is made by polymer plastic material processing, has good heat transfer and mechanical properties, and has stronger corrosion resistance, can adapt to the long-term abominable operating mode operation.
As shown in fig. 1, a condenser 91 is disposed between the fan 320 on the exhaust port 22 and the spray device 4, the condenser 91 is connected to the compressor 92 at the bottom of the air intake chamber 1 through a connecting pipe 93, when the temperature is too high, the temperature requirement cannot be met only by spray heat exchange, and at this time, the compressor 92 is started to provide lower temperature in combination with mechanical refrigeration. And a cooling coil 10 is arranged on an air supply path between the heat exchanger 8 and the first air port 32 in the air mixing cavity 2.
The refrigeration process of the refrigeration system in this embodiment is as follows:
when the temperature of the outdoor dry bulb is lower than a first temperature value (for example, 17.5 ℃), the indoor return air and the outdoor fresh air exchange heat through the heat exchanger 8 to reach an air supply temperature value;
when the outdoor wet bulb temperature is lower than a second temperature value (for example, 19.5 ℃), the circulating water pump 61 operates, and the spraying device 4 sprays water to absorb air heat and reduce the temperature to an air supply temperature value;
when the outdoor wet bulb temperature is higher than a second temperature value (for example, 19.5 ℃), the refrigeration system sprays water by the spraying device 4 to absorb air heat, and simultaneously starts the compressor 92 to supplement mechanical refrigeration, and the air supply temperature value is reached by combining evaporation heat exchange.
As a first alternative embodiment of the embodiment 1, the water level control system may not be provided with the water level controller 7, but only with the temperature sensor electrically connected to the water inlet and outlet controllers of the water tank 5, and the water level control system only needs to receive the feedback signal of the temperature sensor to clean the water in the water tank 5 when the outside temperature is low.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A refrigeration system is characterized by comprising an air inlet cavity (1), an air mixing cavity (2), an air supply cavity (3) and a refrigeration device, wherein,
the air inlet cavity (1) is provided with a fresh air inlet (11); the air mixing cavity (2) is provided with an air return inlet (21) and an air outlet (22); the air return opening (21) is connected with indoor return air; the refrigerating device is arranged between the fresh air inlet (11) and the air outlet (22);
the refrigerating device comprises
The spraying device (4) is arranged in the air mixing cavity (2) and is positioned at the intersection of the air inlet path and the air return path;
a water tank (5) which is arranged below the spraying device (4) and is provided with a water level control system;
and the circulating device is arranged between the spraying device (4) and the water tank (5) and is suitable for circularly pumping the water in the water tank (5) into the spraying device (4).
2. The refrigerant system as set forth in claim 1, wherein said water level control system includes
A water level controller (7) arranged in the water tank (5);
the temperature sensor is electrically connected with the water level controller (7) and is suitable for monitoring the outdoor temperature in real time;
and the water level controller (7) controls the opening or closing of a water inlet valve in the water tank (5) or controls the opening or closing of a water outlet valve in the water tank (5) according to the temperature signal of the temperature sensor.
3. A refrigeration system according to claim 2, characterized in that the level controller (7) is a reed pipe level controller.
4. The refrigerant system as set forth in claim 1, wherein said circulating means includes
A circulating water pump (61) disposed in the water tank (5);
the circulating pipe (62) is communicated with the circulating water pump (61) and the spraying device (4);
the circulating water pump (61) pumps the water sprayed by the spraying device (4) and falling into the water tank (5) into the spraying device (4) through the circulating pipe (62) for circulating spraying.
5. The refrigeration system of claim 1, wherein said refrigeration device further comprises
The heat exchanger (8) is arranged at the intersection of a spraying path and a return air path from the spraying device (4) to the water tank (5); and/or
And the condenser (91) is positioned between the spraying device (4) and the air outlet (22).
6. A refrigeration system according to claim 5, characterized in that the heat exchanger (8) is a plate heat exchanger with fins.
7. The refrigerant system as set forth in claim 6, wherein said fins are formed from a polymeric material.
8. The refrigeration system as recited in any one of claims 1 to 7 wherein said refrigeration device further comprises
And the cold coil (10) is arranged in the air mixing cavity (2) and is close to the air supply cavity (3).
9. The refrigeration system according to claim 8, characterized in that the air intake chamber (1) and the air delivery chamber (3) are spaced from each other and arranged in a same layer; the air mixing cavity (2) is arranged above the air inlet cavity (1) and the air supply cavity (3) and is communicated with the air inlet cavity (1) and the air supply cavity (3) respectively.
10. The refrigerant system as set forth in claim 9,
a first air port (32) is arranged between the air mixing cavity (2) and the air supply cavity (3); and a fan (320) is arranged on the first air opening (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029137.4U CN210373898U (en) | 2019-07-03 | 2019-07-03 | Refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029137.4U CN210373898U (en) | 2019-07-03 | 2019-07-03 | Refrigerating system |
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| Publication Number | Publication Date |
|---|---|
| CN210373898U true CN210373898U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921029137.4U Active CN210373898U (en) | 2019-07-03 | 2019-07-03 | Refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175715A (en) * | 2021-04-30 | 2021-07-27 | 西藏宁算科技集团有限公司 | Control method and related device for evaporative cooling and waste heat recovery unit of data center |
-
2019
- 2019-07-03 CN CN201921029137.4U patent/CN210373898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175715A (en) * | 2021-04-30 | 2021-07-27 | 西藏宁算科技集团有限公司 | Control method and related device for evaporative cooling and waste heat recovery unit of data center |
| CN113175715B (en) * | 2021-04-30 | 2022-08-30 | 西藏宁算科技集团有限公司 | Data center evaporative cooling and waste heat recovery unit and control method and device thereof |
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