CN202885173U - Variable frequency central air conditioning system - Google Patents
Variable frequency central air conditioning system Download PDFInfo
- Publication number
- CN202885173U CN202885173U CN 201220575531 CN201220575531U CN202885173U CN 202885173 U CN202885173 U CN 202885173U CN 201220575531 CN201220575531 CN 201220575531 CN 201220575531 U CN201220575531 U CN 201220575531U CN 202885173 U CN202885173 U CN 202885173U
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- machine group
- cooling machine
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Abstract
The utility model relates to a variable frequency central air conditioning system which comprises an air-cooling type water chilling unit main machine and a water pump. The water pump is connected with a water outlet pipe opening of the air-cooling type water chilling unit main machine, a water temperature sensor is arranged on a water return pipe opening of the air-cooling type water chilling unit main machine, a pipe temperature sensor is arranged in the air-cooling type water chilling unit main machine, a minimum flow protection water flow sensing switch is arranged between the water outlet pipe opening of the air-cooling type water chilling unit main machine and the water pump, and two air-cooling type water chilling unit compressors are arranged in the air-cooling type water chilling unit main machine. The variable frequency central air conditioning system has the advantages that the water temperature sensor obtains water temperature data of the water return pipe opening of the air-cooling type water chilling unit main machine, revolving speed of the water pump and revolving speed and operation of the air-cooling type water chilling unit main machine can be adjusted automatically, and automatic constancy control of indoor temperature at the tail end of the central air conditioning system is achieved. Mechanical abrasion of the water pump and a pipe network is reduced, equipment service life is prolonged, maintenance and repair cost of equipment is lowered, power consumption is reduced, and the effects of energy conservation and power saving are achieved.
Description
Technical field
The utility model relates to a kind of air-conditioning equipment, particularly a kind of variable-frequency central air conditioner system.
Background technology
Central air conditioner system is comprised of cold and heat source system and air handling system.Refrigeration system provides institute's chilling requirement for air handling system, in order to offset the refrigeration duty of indoor environment; Heating provides to offset the heat of indoor environment thermic load for air handling system.Refrigeration system is the vital part of central air conditioner system, and it adopts kind, the method for operation, version etc. directly to affect the economy that central air conditioner system is in operation, high efficiency, reasonability.
Existing water pump and air-cooled water cooling machine group main frame are in conjunction with the central air conditioner system of operation.It is invariable that the circulating water flow of central air conditioner system keeps, this water pump and air-cooled water cooling machine group compressor can't speed governing, no matter how terminal payload changes, water pump and air-cooled water cooling machine group compressor are all at the design operation at rating, system energy consumption is in design maximum, and energy waste is very large; Start and stop high powered water pump and air-cooled water cooling machine group compressor under the power frequency state, dash current is large, be unfavorable for electric power netting safe running, and the electromechanical equipments such as water pump and air-cooled water cooling machine group compressor are high-speed cruising under the power frequency state for a long time, mechanical wear is serious, cause equipment fault to increase and the shortening in service life, thereby increased maintenance and maintenance cost, waste energy large.
Shortcoming/the deficiency of prior art:
Because existing central air conditioner system can not be adjusted automatically according to the needs of the actual operating position of user the running status of water pump and air-cooled water cooling machine group compressor, cause that equipment loss is too fast, energy consumption is too high.
The utility model content
Technical problem to be solved in the utility model is the shortcomings such as the equipment loss of present employed central air conditioner system is fast, power consumption is high, maintenance cost is high.
The utility model is achieved through the following technical solutions above-mentioned purpose:
For the shortcoming of existing central air conditioner system, design a kind of variable-frequency central air conditioner system, comprise air-cooled water cooling machine group main frame and water pump, water pump is connected with the effluent pipe mouth of air-cooled water cooling machine group main frame.The backwater mouth of pipe place of described air-cooled water cooling machine group main frame is provided with the water temperature temperature detector; In air-cooled water cooling machine group main frame, be provided with the warm temperature detector of pipe; Between the effluent pipe mouth of air-cooled water cooling machine group main frame and water pump, be provided with flow low limit protection current inductive switch; Two typhoon cold type handpiece Water Chilling Units compressors are arranged in the described air-cooled water cooling machine group main frame.
Be provided with the pump variable frequency device; Water pump, water temperature temperature detector connect with the pump variable frequency device respectively.
Be provided with two typhoon cold type handpiece Water Chilling Units compressor variable frequency devices; Air-cooled water cooling machine group compressor, air-cooled water cooling machine group main frame, water temperature temperature detector, manage warm temperature detector, current inductive switch and connect with air-cooled water cooling machine group compressor variable frequency device respectively.
The beneficial effects of the utility model are: the utility model is by installing the water temperature temperature detector additional at air-cooled water cooling machine group main frame backwater mouth of pipe place; In air-cooled water cooling machine group main frame, be provided with the warm temperature detector of pipe; Between the effluent pipe mouth of air-cooled water cooling machine group main frame and water pump, install flow low limit protection current inductive switch additional; Water pump and air-cooled water cooling machine group compressor respectively attached with frequency converters are realized the intelligent frequency-conversion speed-adjusting and control system.Obtain the water temperature data at air-cooled water cooling machine group main frame backwater mouth of pipe place by the water temperature temperature detector; Obtain the pipe temperature data at air-cooled water cooling machine group main condenser place by managing warm temperature detector.Automatically regulate pump rotary speed and air-cooled water cooling machine group compressor rotary speed and put into operation, automatically finish the tracking control of circulating water flow, circulating water flow and air-cooled water cooling machine group chiller capacity are complementary, realize the terminal indoor temperature automatic constant control of central air conditioner system; Make central air conditioner system remain on best running status, reduce water pump and pipe network mechanical wear, extension device service life reduce plant maintenance and maintenance cost, reduce power consumption, reach the energy saving effect.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
The specific embodiment
Embodiment one: as shown in Figure 1, comprise air-cooled water cooling machine group main frame 1 and water pump 2, water pump 2 is connected with the effluent pipe mouth 11 of air-cooled water cooling machine group main frame 1.The backwater mouth of pipe 12 places of described air-cooled water cooling machine group main frame 1 are provided with water temperature temperature detector 3; In air-cooled water cooling machine group main frame 1, be provided with the warm temperature detector 6 of pipe; Between the effluent pipe mouth 11 of air-cooled water cooling machine group main frame 1 and water pump 2, be provided with flow low limit protection current inductive switch 4; 2 typhoon cold type handpiece Water Chilling Units compressors 7,8 are arranged in the described air-cooled water cooling machine group main frame 1.
The present embodiment is provided with pump variable frequency device 5; Water pump 2, water temperature temperature detector 3 connect with pump variable frequency device 5 respectively.
Be provided with two typhoon cold type handpiece Water Chilling Units compressor variable frequency devices 9,10; Air-cooled water cooling machine group compressor 7,8, air-cooled water cooling machine group main frame 1, water temperature temperature detector 3, the warm temperature detector 6 of pipe, current inductive switch 4 connect with air-cooled water cooling machine group compressor variable frequency device 9,10 respectively.
Claims (3)
1. a variable-frequency central air conditioner system comprises air-cooled water cooling machine group main frame and water pump, and water pump is connected with the effluent pipe mouth of air-cooled water cooling machine group main frame, it is characterized in that the backwater mouth of pipe place of described air-cooled water cooling machine group main frame is provided with the water temperature temperature detector; In air-cooled water cooling machine group main frame, be provided with the warm temperature detector of pipe; Between the effluent pipe mouth of air-cooled water cooling machine group main frame and water pump, be provided with flow low limit protection current inductive switch; Two typhoon cold type handpiece Water Chilling Units compressors are arranged in the described air-cooled water cooling machine group main frame.
2. variable-frequency central air conditioner according to claim 1 system is characterized in that being provided with the pump variable frequency device; Water pump, water temperature temperature detector connect with the pump variable frequency device respectively.
3. variable-frequency central air conditioner according to claim 2 system is characterized in that being provided with two typhoon cold type handpiece Water Chilling Units compressor variable frequency devices; Air-cooled water cooling machine group compressor, air-cooled water cooling machine group main frame, water temperature temperature detector, manage warm temperature detector, current inductive switch and connect with air-cooled water cooling machine group compressor variable frequency device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220575531 CN202885173U (en) | 2012-11-02 | 2012-11-02 | Variable frequency central air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220575531 CN202885173U (en) | 2012-11-02 | 2012-11-02 | Variable frequency central air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885173U true CN202885173U (en) | 2013-04-17 |
Family
ID=48076597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220575531 Expired - Lifetime CN202885173U (en) | 2012-11-02 | 2012-11-02 | Variable frequency central air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885173U (en) |
-
2012
- 2012-11-02 CN CN 201220575531 patent/CN202885173U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |