CN202328971U - Water cooling water chiller unit with natural refrigeration function - Google Patents
Water cooling water chiller unit with natural refrigeration function Download PDFInfo
- Publication number
- CN202328971U CN202328971U CN2011204619703U CN201120461970U CN202328971U CN 202328971 U CN202328971 U CN 202328971U CN 2011204619703 U CN2011204619703 U CN 2011204619703U CN 201120461970 U CN201120461970 U CN 201120461970U CN 202328971 U CN202328971 U CN 202328971U
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- water
- chilling units
- controller
- chiller unit
- water tank
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Abstract
The utility model provides a water cooling water chiller unit with a natural refrigeration function. The water cooling water chiller unit comprises a water tank, a cooling water tower and a water chiller unit, wherein a water outlet of the cooling water tower is connected with a cooling water pump, a No. 1 electric three-way valve and the water chiller unit by water outlet pipelines in sequence; a water inlet of the cooling water tower is connected with the water chiller unit by a water inlet pipeline; the water chiller unit is communicated with a chilled water pump and a water tank high temperature region by water return pipes; the water chiller unit is also communicated with a water tank low temperature region by an output pipe; a controller is arranged in the water chiller unit; the water cooling water chiller unit also comprises a heat exchanger which is connected with the No. 1 three-way valve by a pipeline; the controller is connected with an outdoor temperature and humidity sensor outside the water chiller unit; the heat exchanger is connected with the controller; and the water tank is connected with the controller by a pipeline mounted with a water return temperature sensor. By using the water cooling water chiller unit with the natural refrigeration function, provided by the utility model, the chilled water is directly made by using outdoor low temperature air so that the operation time and operation cost of the water chiller unit are reduced as well as the service life of the water chiller unit is prolonged.
Description
Technical field
The utility model relates to a kind of water-cooled handpiece Water Chilling Units, specifically a kind of water-cooled handpiece Water Chilling Units with nature refrigerating function.
Background technology
At present, aspect, cooling freezing and the air-conditioning system,, need refrigerating plant room to provide temperature to be about 2～25 ℃ chilled water the whole year in order to satisfy the production needs in industry.Traditional way is to use handpiece Water Chilling Units that chilled water is provided, and need expend bigger energy, wastes energy.Because China is vast in territory, some regional indoor and outdoor temperature is mutually far short of what is expected.To the north of the Chinese Yangtze river basin, there is every year relatively long time outside air temperature to be lower than 5 ℃, this has created condition for the chilled water of producing 2～25 ℃ naturally.
Summary of the invention
The technical problem that the utility model will solve provides a kind of band nature refrigerating function water-cooled handpiece Water Chilling Units, directly utilizes the outdoor low temperature air to produce chilled water, effectively reduces handpiece Water Chilling Units running time and operating cost, prolongs handpiece Water Chilling Units service life.
In order to solve the problems of the technologies described above, the utility model is taked following technical scheme:
A kind of band nature refrigerating function water-cooled handpiece Water Chilling Units; Comprise water tank, cooling tower and handpiece Water Chilling Units; The delivery port of said cooling tower is connected with cooling water pump, electric T-shaped valve, a handpiece Water Chilling Units through outlet conduit successively; The water inlet of cooling tower is connected with handpiece Water Chilling Units through inlet channel, and handpiece Water Chilling Units is communicated with chilled water pump, water tank high-temperature region through return pipe, and handpiece Water Chilling Units also is communicated with the water tank low-temperature space through efferent duct; Be provided with controller in the handpiece Water Chilling Units, also comprise the heat exchanger that is connected with triple valve through pipeline.
Said controller is connected with the outdoor temperature humidity sensor that is contained in the handpiece Water Chilling Units outside, and heat exchanger is connected with controller, and water tank is connected with controller through the pipeline that is equiped with the return water temperature sensor.
Said return pipe is provided with electric T-shaped valve No. two, and heat exchanger is connected with controller through No. two electric T-shaped valves, the low-temperature space of water tank pass through pipeline and after technology water pump, cooling device are connected again tieback to the high-temperature region of water tank.
Said heat exchanger is connected with controller through No. three electric T-shaped valves, the low-temperature space of water tank through pipeline with pass through No. three electric T-shaped valves after technology water pump, cooling device are connected and be connected with the high-temperature region of water tank.
Said heat exchanger is connected with controller through water circulating pump, the low-temperature space of water tank through pipeline be connected again the high-temperature region of tieback with water circulating pump one end after technology water pump, cooling device are connected to water tank.
Said heat exchanger is a plate type heat exchanger.
Said controller is the PLC controller.
The utility model directly utilizes the outdoor low temperature air to produce chilled water, reduces handpiece Water Chilling Units running time and operating cost, prolongs handpiece Water Chilling Units service life, be widely used in low temperature season need on the manufacture of chilled water with air-conditioning system on.
Description of drawings
Accompanying drawing 1 is the utility model embodiment one structural representation;
Accompanying drawing 2 is the utility model embodiment two structural representations;
Accompanying drawing 3 is the utility model embodiment three structural representations.
The specific embodiment
For the ease of those skilled in the art's understanding, the utility model is done further to describe below in conjunction with accompanying drawing.
Shown in accompanying drawing 1; A kind of band nature refrigerating function water-cooled handpiece Water Chilling Units; Comprise water tank, cooling tower and handpiece Water Chilling Units, the delivery port of cooling tower is connected with cooling water pump 2, electric T-shaped valve 31, a handpiece Water Chilling Units through outlet conduit 1 successively, and the water inlet of cooling tower passes through inlet channel 4 and is connected with handpiece Water Chilling Units; Handpiece Water Chilling Units is communicated with chilled water pump 6, water tank high-temperature region through return pipe 5, and the cooling unit also is communicated with the water tank low-temperature space through efferent duct 7; Be provided with controller in the handpiece Water Chilling Units, also comprise the heat exchanger 8 that is connected with triple valve 31 through pipeline.Controller is connected with the outdoor temperature humidity sensor 9 that is contained in the handpiece Water Chilling Units outside, and heat exchanger 8 is connected with controller, and water tank is connected with controller through the pipeline that is equiped with return water temperature sensor 10.Heat exchanger 8 is a plate type heat exchanger, and controller is the PLC controller.
Plate type heat exchanger can drop into or break away from refrigeration automatically according to the chilled water temperature of outside air temperature, humidity and indoor needs.The PLC controller is gathered the chilled water set temperature value that outside air temperature, humidity and indoor heating system need, and through PLC internal system calculation procedure, output control signal feed pump or electric T-shaped valve let plate type heat exchanger put into operation automatically or break away from operation.
Embodiment one; Shown in accompanying drawing 1; Return pipe 5 is provided with electric T-shaped valve 32 No. two, and heat exchanger 8 is connected with controller through No. two electric T-shaped valves 32, the low-temperature space of water tank pass through pipeline and after technology water pump 11, cooling device are connected again tieback to the high-temperature region of water tank.
The operation principle of present embodiment one is:
When summer, outdoor temperature was higher, operational mode was:
Cooling water flow path: a cooling tower---cooling water pump---electric T-shaped valve---handpiece Water Chilling Units---cooling tower;
Chilled water flow process: water tank high-temperature region---chilled water pump---No. two electric T-shaped valves---handpiece Water Chilling Units evaporimeter---water tank low-temperature space;
Fresh water (FW) flow process: water tank low-temperature space---technology water pump---cooling device on the production line---water tank high-temperature region.
Winter, outdoor temperature was lower, and operational mode is:
Cooling water flow path: a cooling tower---cooling water pump---electric T-shaped valve---plate type heat exchanger---handpiece Water Chilling Units---cooling tower;
Chilled water flow process: water tank high-temperature region---chilled water pump---No. two electric T-shaped valves---plate type heat exchanger---handpiece Water Chilling Units---water tank low-temperature space;
Fresh water (FW) flow process: water tank low-temperature space---technology water pump---production line cooling device---water tank high-temperature region.
The PLC controller of handpiece Water Chilling Units is adjusted the opening direction of electric T-shaped valve automatically according to outdoor temperature, humidity and chilled water design temperature.When outdoor dry-bulb temperature and wet-bulb temperature all were lower than 5 ℃ of set temperature value, electric T-shaped valve turned to automatically, the flow direction of adjustment cooling water and chilled water, and system changes winter mode into from automatic summer mode.When outdoor dry-bulb temperature and wet-bulb temperature all were higher than 5 ℃ of set temperature value, electric T-shaped valve turned to automatically, the flow direction of adjustment cooling water and chilled water, and system changes summer mode into from winter mode automatically.Handpiece Water Chilling Units is moved according to return water temperature automatically.
Embodiment two, and shown in accompanying drawing 2, heat exchanger 8 is connected with controller through No. three electric T-shaped valves 33, the low-temperature space of water tank through pipeline with pass through No. three electric T-shaped valves 33 after technology water pump 11, cooling device are connected and be connected with the high-temperature region of water tank.
The operation principle of present embodiment two is:
When summer, outdoor temperature was higher, operational mode was:
Cooling water flow path: a cooling tower---cooling water pump---electric T-shaped valve---handpiece Water Chilling Units---cooling tower;
Chilled water flow process: water tank high-temperature region---chilled water pump---handpiece Water Chilling Units---water tank low-temperature space;
Fresh water (FW) flow process: water tank low-temperature space---technology water pump---production line cooling device---No. three electric T-shaped valves---water tank high-temperature region;
The winter operation pattern:
Cooling water flow path: a cooling tower---cooling water pump---electric T-shaped valve---plate type heat exchanger---handpiece Water Chilling Units---cooling tower;
Chilled water flow process: water tank high-temperature region---chilled water pump---handpiece Water Chilling Units---water tank low-temperature space;
Fresh water (FW) flow process: water tank low-temperature space---technology water pump---production line cooling device---No. three electric T-shaped valves---plate type heat exchanger---water tank high-temperature region.
The PLC controller of handpiece Water Chilling Units is adjusted the opening direction of electric T-shaped valve automatically according to outdoor temperature, humidity and chilled water design temperature.When outdoor dry-bulb temperature and wet-bulb temperature all were lower than 5 ℃ of set temperature value, electric T-shaped valve turned to automatically, the flow direction of adjustment cooling water and chilled water, and system changes winter mode into from automatic summer mode.When outdoor dry-bulb temperature and wet-bulb temperature all were higher than 5 ℃ of set temperature value, electric T-shaped valve turned to automatically, the flow direction of adjustment cooling water and chilled water, and system changes summer mode into from winter mode automatically.Handpiece Water Chilling Units is moved according to return water temperature automatically.
Embodiment three, and shown in accompanying drawing 3, heat exchanger 8 is connected with controller through water circulating pump 12, the low-temperature space of water tank through pipeline be connected again the high-temperature region of tieback with water circulating pump 12 1 ends after technology water pump 11, cooling device are connected to water tank.
The operation principle of present embodiment three is:
When summer, outdoor temperature was higher, operational mode was:
Cooling water flow path: a cooling tower---cooling water pump---electric T-shaped valve---handpiece Water Chilling Units---cooling tower;
Chilled water flow process: water tank high-temperature region---chilled water pump---handpiece Water Chilling Units---water tank low-temperature space;
Fresh water (FW) flow process: water tank low-temperature space---technology water pump---production line cooling device---water tank high-temperature region.
The winter operation pattern:
Cooling water flow path: a cooling tower---cooling water pump---electric T-shaped valve---plate type heat exchanger---handpiece Water Chilling Units---cooling tower;
Chilled water flow process: water tank high-temperature region---chilled water pump---handpiece Water Chilling Units---water tank low-temperature space;
Fresh water (FW) flow process: water tank low-temperature space---technology water pump---production line cooling device---water circulating pump---plate type heat exchanger---water tank high-temperature region;
Handpiece Water Chilling Units is adjusted the start-stop of the opening direction and the water circulating pump of electric T-shaped valve automatically according to outdoor temperature, humidity and chilled water design temperature.When outdoor dry-bulb temperature and wet-bulb temperature all were lower than 5 ℃ of set temperature value, electric T-shaped valve turned to automatically, and starts water circulating pump, the flow direction of adjustment cooling water and chilled water, and system changes winter mode into from summer mode.When outdoor dry-bulb temperature and wet-bulb temperature all were higher than 5 ℃ of set temperature value, electric T-shaped valve turned to automatically, and water circulating pump out of service, the flow direction of adjustment cooling water and chilled water, and system changes summer mode into from winter mode automatically.Handpiece Water Chilling Units is moved according to return water temperature automatically.
Need to prove that the design temperature of handpiece Water Chilling Units is not to be defined as 5 ℃, can be provided with, as 4 ℃, 3 ℃ etc. according to actual conditions.
Claims (7)
1. be with nature refrigerating function water-cooled handpiece Water Chilling Units for one kind; Comprise water tank, cooling tower and handpiece Water Chilling Units; It is characterized in that: the delivery port of said cooling tower is connected with cooling water pump (2), an electric T-shaped valve (31), handpiece Water Chilling Units through outlet conduit (1) successively; The water inlet of cooling tower is connected with handpiece Water Chilling Units through inlet channel (4); Handpiece Water Chilling Units is communicated with chilled water pump (6), water tank high-temperature region through return pipe (5), and handpiece Water Chilling Units also is communicated with the water tank low-temperature space through efferent duct (7); Be provided with controller in the handpiece Water Chilling Units, also comprise the heat exchanger (8) that is connected with triple valve through pipeline.
2. band nature refrigerating function water-cooled handpiece Water Chilling Units according to claim 1; It is characterized in that: said controller is connected with the outdoor temperature humidity sensor (9) that is contained in the handpiece Water Chilling Units outside; Heat exchanger is connected with controller, and water tank is connected with controller through the pipeline that is equiped with return water temperature sensor (10).
3. band nature refrigerating function water-cooled handpiece Water Chilling Units according to claim 2; It is characterized in that: said return pipe is provided with No. two electric T-shaped valves (32); Heat exchanger is connected with controller through No. two electric T-shaped valves, the low-temperature space of water tank pass through pipeline and after technology water pump (11), cooling device are connected again tieback to the high-temperature region of water tank.
4. band nature refrigerating function water-cooled handpiece Water Chilling Units according to claim 2; It is characterized in that: said heat exchanger is connected with controller through No. three electric T-shaped valves (33), the low-temperature space of water tank through pipeline with pass through No. three electric T-shaped valves after technology water pump, cooling device are connected and be connected with the high-temperature region of water tank.
5. band nature refrigerating function water-cooled handpiece Water Chilling Units according to claim 2; It is characterized in that: said heat exchanger is connected with controller through water circulating pump, the low-temperature space of water tank through pipeline be connected again the high-temperature region of tieback with water circulating pump (12) one ends after technology water pump, cooling device are connected to water tank.
6. according to each described band nature refrigerating function water-cooled handpiece Water Chilling Units in the claim 1～5, it is characterized in that: said heat exchanger is a plate type heat exchanger.
7. according to each described band nature refrigerating function water-cooled handpiece Water Chilling Units in the claim 1～5, it is characterized in that: said controller is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204619703U CN202328971U (en) | 2011-11-21 | 2011-11-21 | Water cooling water chiller unit with natural refrigeration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204619703U CN202328971U (en) | 2011-11-21 | 2011-11-21 | Water cooling water chiller unit with natural refrigeration function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328971U true CN202328971U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204619703U Expired - Lifetime CN202328971U (en) | 2011-11-21 | 2011-11-21 | Water cooling water chiller unit with natural refrigeration function |
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| Country | Link |
|---|---|
| CN (1) | CN202328971U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534896A (en) * | 2014-11-25 | 2015-04-22 | 柳州凯通机械有限公司 | Refrigerating machine cooling device |
| CN107810375A (en) * | 2015-06-26 | 2018-03-16 | Bsh家用电器有限公司 | Refrigerating appliance with air humidity monitoring |
| CN108562096A (en) * | 2018-06-26 | 2018-09-21 | 山东赛马力动力科技有限公司 | A kind of automatic regulating system of multimachine monoblock type coolant liquid pipeline |
-
2011
- 2011-11-21 CN CN2011204619703U patent/CN202328971U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534896A (en) * | 2014-11-25 | 2015-04-22 | 柳州凯通机械有限公司 | Refrigerating machine cooling device |
| CN107810375A (en) * | 2015-06-26 | 2018-03-16 | Bsh家用电器有限公司 | Refrigerating appliance with air humidity monitoring |
| CN107810375B (en) * | 2015-06-26 | 2020-08-14 | Bsh家用电器有限公司 | Refrigeration device with air humidity monitoring |
| CN108562096A (en) * | 2018-06-26 | 2018-09-21 | 山东赛马力动力科技有限公司 | A kind of automatic regulating system of multimachine monoblock type coolant liquid pipeline |
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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: 510530, No. four, No. 1, North Orchard, East Zone, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Guangzhou star cooling equipment Group Co., Ltd. Address before: 510530 Guangzhou Province Economic and Technological Development Zone, the eastern part of the north section of Orchard Road, No. four, No. 1, No. Patentee before: Guangzhou Hengxing Refrigerating Machinery Manufacturing Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |