CN207751103U - A kind of energy-saving air central - Google Patents
A kind of energy-saving air central Download PDFInfo
- Publication number
- CN207751103U CN207751103U CN201721883938.8U CN201721883938U CN207751103U CN 207751103 U CN207751103 U CN 207751103U CN 201721883938 U CN201721883938 U CN 201721883938U CN 207751103 U CN207751103 U CN 207751103U
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- China
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- water
- energy
- cooling
- water pump
- condenser
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- Expired - Fee Related
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- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a kind of energy-saving air central, and energy-saving and frequency-variable control is carried out to cooling water pump and chilled water pump, according to the specific works situation of condenser and evaporator, adjusts cooling water pump and chilled water pump, reaches the purpose of energy-saving and emission-reduction.By the water temperature difference for measuring condenser water inlet and water outlet in cooling water recirculation system, automatically adjust the running power of cooling water pump, when the temperature difference of water inlet and water outlet is larger, increase the running power of cooling water pump, the speed for accelerating cooling water circulation, to accelerate the cooling rate of condenser, when the temperature difference of water inlet and water outlet is smaller, the running power of cooling water pump is reduced, it is energy saving.And this energy-saving air central can adjust the switch of chilled water pump according to the height of water level in freezing water tank, when water level reaches predetermined value, chilled water pump is just opened, and chilled water is recovered in cooling water recirculation system, other time chilled water pump is in the state of shutting down, energy saving.
Description
Technical field
The utility model is related to art of refrigeration units more particularly to a kind of energy-saving air centrals.
Background technology
Central air-conditioning is mainly made of refrigeration system and water-cooling system, and central air-conditioning is respectively arranged with interior in each room
Machine, refrigeration system are responsible for providing indoor refrigeration, and water-cooling system forms cooling water recirculation system by cooling tower and cooling water pump, gives
Machine cooling in refrigeration system, some energy-saving central air conditioners are also equipped with freezing water reclamation system in refrigeration systems.
There is the seasonal temperature difference, Xia Yudong for annual spring and autumn there is warm-natured difference in the daytime, according to design specification, in
Entreat air-conditioning system load capacity is most hot according to local summer, winter the coldest weather conditions design, multiplied by with about 1.1
Foundation of the coefficient as lectotype selection, but actually system seldom works under these maximum conditions.According to certain DianLi Building
Record on duty statistics obtains, and the time operating load of 90% or more air-conditioning equipment is 70% hereinafter, so seldom energy of actual load
Reach at full capacity.In the case of underload, in order to ensure preferable operating status and higher operational efficiency, refrigeration system
Can be automatically in a certain range according to the variation load or unload of load, but the water-cooling system to match therewith is still long-term permanent
Speed operating, causes mass energy to waste and equipment is lost.If not taking energy conservation measure, energy waste and equipment loss will be after
It is continuous to expand.
Therefore, the prior art is defective, needs to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of energy-saving air central, this energy saving center
Air-conditioning carries out energy-saving and frequency-variable control to cooling water pump and chilled water pump, according to the specific works situation of condenser and evaporator, adjusts
Cooling water pump and chilled water pump are saved, the purpose of energy-saving and emission-reduction is reached.
The technical solution of the utility model is as follows：A kind of energy-saving air central, including Intelligent control cabinet and center are provided
Air-conditioner set, the Central air-conditioning unit include cooling water recirculation system and freezing water reclamation system, the cooling water circulation
System and freezing water reclamation system are connect with Intelligent control cabinet respectively.The cooling water recirculation system includes：Cooling tower, condensation
Device, cooling water pump, the first water temperature sensor and the second water temperature sensor, the condenser and cooling tower by pipeline respectively with
The cooling water pump connection, the condenser include water inlet and water outlet, and first water temperature sensor is set to condenser
Water inlet, second water temperature sensor are set to the water outlet of condenser, first water temperature sensor, the second water temperature sensor
And cooling water pump is electrically connected with Intelligent control cabinet respectively.
The freezing water reclamation system includes：Compressor, evaporator, expansion valve, freezing water tank and chilled water pump, it is described
Evaporator is connect with compressor, expansion valve and freezing water tank, and the chilled water pump connects with freezing water tank and Intelligent control cabinet
It connects, the compressor, expansion valve and chilled water pump are also connect with the condenser respectively.
The freezing water reclamation system further includes water level sensor, and the water level sensor is set in the freezing water tank,
For perceiving the height of water level in freezing water tank, the water level sensor is electrically connected with the Intelligent control cabinet.
The cooling water recirculation system further includes a water tank, the hot water which will generate during cooling water circulation
It stores, is used as the industrial water or domestic water of equipment.The cooling tower includes water inlet and water outlet, the cooling
The water inlet of tower is connected to tap water, and the water outlet of the cooling tower is connect by conduit with the water tank, in cooling water circulation
The tap water of room temperature is continuously replenished in the process, accelerates the cooling rate of cooling water.
The freezing water tank is made with the water tank of thermal insulation material.
The energy-saving air central further includes solar electrical energy generation module, and the solar electrical energy generation module includes：Solar-electricity
Pond plate, photovoltaic controller, accumulator and inverter, the solar panel, accumulator and inverter respectively with photovoltaic
Controller connects.
The Intelligent control cabinet includes PID controller and the frequency converter that is connect with the PID controller.
Using the above scheme, the utility model has the advantages that：
1, this energy-saving air central can according to the water temperature difference of condenser water inlet and water outlet in cooling water recirculation system,
Automatically adjust the running power of cooling water pump.When the temperature difference of water inlet and water outlet is larger, the operating of cooling water pump is increased
Power accelerates the speed of cooling water circulation, to accelerate the cooling rate of condenser；When the temperature difference of water inlet and water outlet compared with
Hour, the running power of cooling water pump is reduced, it is energy saving.
2, this energy-saving air central can adjust the switch of chilled water pump according to the height of water level in freezing water tank, work as water level
When reaching predetermined value, chilled water pump is just opened, and chilled water is recovered in cooling water recirculation system, and other time chilled water pump is equal
It is energy saving in the state of shutting down.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the connection circuit diagram of the utility model frequency converter and PID controller.
Fig. 3 is the structural schematic diagram of the utility model solar electrical energy generation module.
Fig. 4 is the structure diagram of the utility model Intelligent control cabinet.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Please refer to Fig.1 and Fig. 2, the utility model provides a kind of energy-saving air central, including Intelligent control cabinet and in
It includes that cooling water recirculation system and freezing water reclamation system, the cooling water follow to entreat air-conditioner set, the Central air-conditioning unit
Loop system and freezing water reclamation system are connect with Intelligent control cabinet respectively.The cooling water recirculation system includes：Cooling tower, condensation
Device, cooling water pump 1, the first water temperature sensor 3 and the second water temperature sensor 4, the condenser pass through pipeline point with cooling tower
It is not connect with the cooling water pump 1, the condenser includes water inlet and water outlet, and first water temperature sensor 3 is set to cold
The water inlet of condenser, second water temperature sensor 4 are set to the water outlet of condenser, first water temperature sensor 3, the second water
Temperature sensor 4 and cooling water pump 1 are electrically connected with Intelligent control cabinet respectively.
The freezing water reclamation system includes：Compressor, evaporator, expansion valve, freezing water tank, water level sensor 5 and
Chilled water pump 2, the evaporator are connect with compressor, expansion valve and freezing water tank, the chilled water pump 2 and freezing water tank with
And Intelligent control cabinet connection, the compressor, expansion valve and chilled water pump are also connect with the condenser respectively, the water level
Sensor 5 is set in the freezing water tank, for perceiving the height of water level in freezing water tank, the water level sensor 5 with it is described
Intelligent control cabinet is electrically connected.
As a preferred embodiment, the cooling water recirculation system further includes a water tank, the water tank is by cooling water circulation mistake
The hot water storage generated in journey is used as the industrial water or domestic water of equipment.The cooling tower include water inlet with
The water inlet of water outlet, the cooling tower is connected to tap water, and the water outlet of the cooling tower is connected by conduit and the water tank
It connects, the tap water of room temperature is continuously replenished during cooling water circulation, accelerate the cooling rate of cooling water.The freezing water tank with
The water tank is made of thermal insulation material.
Referring to Fig. 3, as a preferred embodiment, the energy-saving air central further includes solar electrical energy generation module, the sun is utilized
Power supply can be provided to central air-conditioning, the solar electrical energy generation module includes：Solar panel, photovoltaic controller, accumulator with
And inverter, the solar panel, accumulator and inverter are connect with photovoltaic controller respectively.
Referring to Fig. 4, the Intelligent control cabinet includes：PID controller, frequency converter, keyboard, display, memory, power supply
Management module, reset circuit, 485 communication modules, Analog input mModule, switching input module, relay output control electricity
Road and Frequency Converter Control current output circuit.The control that PID controller and frequency converter receive power management module and keyboard refers to
It enables, adjusts memory-aided data and 485 communication modules to carry out data connection, relay output control circuit and frequency converter are sent out
Go out operational order, while receiving the data feedback of switching input module and Analog input mModule, while can also be according to need
It wants, reset circuit is called to implement to reset operation to system, to carry out immediately monitoring to the operation conditions of central air-conditioning, and will prison
It controls data display and exports display, operation is very convenient, improves the safety and reliability of equipment.
In conclusion the utility model has the advantages that：
1, this energy-saving air central can according to the water temperature difference of condenser water inlet and water outlet in cooling water recirculation system,
Automatically adjust the running power of cooling water pump.When the temperature difference of water inlet and water outlet is larger, the operating of cooling water pump is increased
Power accelerates the speed of cooling water circulation, to accelerate the cooling rate of condenser；When the temperature difference of water inlet and water outlet compared with
Hour, the running power of cooling water pump is reduced, it is energy saving.
2, this energy-saving air central can adjust the switch of chilled water pump according to the height of water level in freezing water tank, work as water level
When reaching predetermined value, chilled water pump is just opened, and chilled water is recovered in cooling water recirculation system, and other time chilled water pump is equal
It is energy saving in the state of shutting down.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of energy-saving air central, which is characterized in that including Intelligent control cabinet and Central air-conditioning unit, the central air-conditioning
Unit includes cooling water recirculation system and freezing water reclamation system, and the cooling water recirculation system and freezing water reclamation system are divided
It is not connect with Intelligent control cabinet, the cooling water recirculation system includes：Cooling tower, condenser, cooling water pump, the first water temperature sensing
Device and the second water temperature sensor, the condenser is connect with the cooling water pump with cooling tower by pipeline respectively, described cold
Condenser includes water inlet and water outlet, and first water temperature sensor is set to the water inlet of condenser, the second water temperature sensing
Device be set to condenser water outlet, first water temperature sensor, the second water temperature sensor and cooling water pump respectively with intelligence
Switch board is electrically connected.
2. energy-saving air central according to claim 1, which is characterized in that the freezing water reclamation system includes：Compression
Machine, evaporator, expansion valve, freezing water tank and chilled water pump, the evaporator connect with compressor, expansion valve and freezing water tank
It connects, the chilled water pump is connect with freezing water tank and Intelligent control cabinet, and the compressor, expansion valve and chilled water pump also divide
It is not connect with the condenser.
3. energy-saving air central according to claim 2, which is characterized in that the freezing water reclamation system further includes water level
Sensor, the water level sensor are set in the freezing water tank, and the water level sensor electrically connects with the Intelligent control cabinet
It connects.
4. energy-saving air central according to claim 2, which is characterized in that the cooling water recirculation system further includes a storage
Water tank, the cooling tower include water inlet and water outlet, and the water inlet of the cooling tower is connected to tap water, and the cooling tower goes out
The mouth of a river is connect by conduit with the water tank.
5. energy-saving air central according to claim 4, which is characterized in that the freezing water tank and the water tank by
Thermal insulation material is made.
6. energy-saving air central according to claim 1, which is characterized in that the energy-saving air central further includes solar energy
Electricity generation module, the solar electrical energy generation module include：Solar panel, photovoltaic controller, accumulator and inverter, it is described
Solar panel, accumulator and inverter are connect with photovoltaic controller respectively.
7. energy-saving air central according to claim 1, which is characterized in that the Intelligent control cabinet includes PID controller
And the frequency converter being connect with the PID controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883938.8U CN207751103U (en) | 2017-12-28 | 2017-12-28 | A kind of energy-saving air central |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883938.8U CN207751103U (en) | 2017-12-28 | 2017-12-28 | A kind of energy-saving air central |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751103U true CN207751103U (en) | 2018-08-21 |
Family
ID=63151218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721883938.8U Expired - Fee Related CN207751103U (en) | 2017-12-28 | 2017-12-28 | A kind of energy-saving air central |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207751103U (en) |
-
2017
- 2017-12-28 CN CN201721883938.8U patent/CN207751103U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20181228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |