CN202392952U - Energy saver for central air-conditioner - Google Patents
Energy saver for central air-conditioner Download PDFInfo
- Publication number
- CN202392952U CN202392952U CN2011205170392U CN201120517039U CN202392952U CN 202392952 U CN202392952 U CN 202392952U CN 2011205170392 U CN2011205170392 U CN 2011205170392U CN 201120517039 U CN201120517039 U CN 201120517039U CN 202392952 U CN202392952 U CN 202392952U
- Authority
- CN
- China
- Prior art keywords
- cooling water
- water pipe
- circulating pump
- controller
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a controller for a central air-conditioner, in particular relates to an energy saver for the central air-conditioner. The energy saver comprises a refrigeration host machine, a cooling water pipe and a freezing water pipe which are connected with the refrigeration host machine, a cooling water circulating pump connected with the cooling water pipe, and a freezing water circulating pump connected with the freezing water pipe; and the energy saver is characterized in that a cooling water sensor is arranged on the cooling water pipe, a freezing water sensor is arranged on the freezing water pipe, signal output ends of the refrigeration host machine, the cooling water sensor and the freezing water sensor are respectively connected to a signal acquiring end of the controller by a data wire, the signal acquiring end of the controller is further connected with an outdoor temperature sensor, and an output end of the controller is respectively connected with frequency control ends of the cooling water circulating pump and the freezing water circulating pump by the data wire. The energy saver for the central air-conditioner adopting the structure outputs the refrigerating capacity in the manner of temperature compensation and on-demand refrigeration, the output of the refrigerating capacity is confirmed by setting the target temperature and referring to the temperature difference in and out of a reference room, and the output power of the refrigeration host machine is confirmed according to the consumption of the refrigerating capacity, so that the tail end of the air-conditioner can run under the state that the actual demand is taken as the reference, therefore, the energy consumption can be reduced.
Description
Technical field
The utility model relates to a kind of control device of central air-conditioning, is a kind of central air-conditioning energy device specifically.
Background technology
Mostly present most central air conditioner system is the early production pattern; Complete during operation is oepration at full load; Control platform number, the valve location of circulating pump through controlling opening of valve and regulate flow; The control and the adjusting pattern of this single, open loop, extensive style cause a large amount of waste of electric energy, control accurately inadequately, use uneconomical; And; Equipment such as water circulating pump, small pump major part is artificial local operation; Do not realize control automatically, all devices all needs manual operation, and the validity of manual adjustment lags behind equipment state all the time and changes; Can't reach the purpose of energy savings and operating cost, also consume a large amount of costs of labor simultaneously.Circulating pump one starts; Just, can not in time adjust the confession pressure of return water to move under the 50Hz full load situation, and no matter what of actual needs refrigerating capacity; Its possibility of result causes the water circulation system most of the time all under high pressure, big flow, the little temperature difference, to move the serious waste energy.Terminal control is serious waste especially, no matter how many actual temperatures is, all is the forced convertion cooling, has greatly wasted electric energy.
Summary of the invention
The purpose of the utility model is the central air-conditioning energy device that a kind of simple in structure, easy to operate, manual intelligent is provided to above-mentioned deficiency; And can adjust rotating speed and the output of refrigeration unit and the output of terminal refrigerating capacity of circulating pump according to actual needs automatically, realize unattended function.
For reaching above purpose; The technical scheme that the utility model adopted is: the described central air-conditioning energy device of the utility model comprises the refrigeration host computer device, be connected cooling water pipe and chilled water pipe on the refrigeration host computer device, be connected cooling water circulating pump on the cooling water pipe, be connected the chilled water circulating pump on the chilled water pipe; It is characterized in that: the cooling water sensor is installed on cooling water pipe; The chilled water sensor is installed on chilled water pipe; The signal output part of said refrigeration host computer device, cooling water sensor and chilled water sensor is connected to the signals collecting end of controller respectively through data wire; The signals collecting end of controller also is connected with outdoor temperature sensor, and the output of controller is connected to the frequency control terminal of cooling water circulating pump, chilled water circulating pump respectively through data wire.
Small pump also is installed on the said chilled water pipe, and the frequency control terminal of said small pump is connected to the moisturizing signal output part of controller.
The mode that has adopted the central air-conditioning energy device of this structure to adopt temperature-compensating, freezed is as required exported refrigerating capacity; Confirm the output of refrigerating capacity according to target setting temperature, reference chamber internal-external temperature difference; Confirm the power output of refrigeration host computer according to the consumption of refrigerating capacity; Thereby making air conditioning terminal operate in one is under the state of benchmark with the actual demand, cuts down the consumption of energy.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
The specific embodiment
As shown in Figure 1, this central air-conditioning energy device comprises refrigeration host computer device 4, be connected cooling water pipe and chilled water pipe on the refrigeration host computer device 4, be connected cooling water circulating pump 2 on the cooling water pipe, be connected the chilled water circulating pump 3 on the chilled water pipe.Said cooling water circulating pump 2 all adopts the frequency conversion circulating pump with chilled water circulating pump 3.Cooling water sensor PT1 is installed on cooling water pipe, chilled water sensor PT2 is installed on chilled water pipe; Cooling water sensor PT1 and chilled water sensor PT2 are the sensors of collecting temperature and pressure signal simultaneously.The signal output part of said refrigeration host computer device 4, cooling water sensor PT1 and chilled water sensor PT2 is connected to the signals collecting end of controller 5 respectively through data wire, the signals collecting end of controller 5 also is connected with outdoor temperature sensor T3.Controller 5 is obtained information such as the pressure and temperature, outdoor temperature of pressure and temperature, the chilled water of temperature, the chilled water of refrigeration host computer device 4 through the signals collecting end.The output of controller 5 is connected to the frequency control terminal of cooling water circulating pump 2, chilled water circulating pump 3 respectively through data wire.The information that controller 5 obtains according to the signals collecting end, computing obtain the frequency control signal of circulating pump, and transfer the signal to the frequency control terminal of cooling water circulating pump 2, chilled water circulating pump 3.
In addition, small pump 6 is installed also on the said chilled water pipe, the frequency control terminal of said small pump 6 is connected to the moisturizing signal output part of controller 5.The information that controller 5 obtains according to the signals collecting end, computing obtain the frequency control signal of small pump 6, and transfer the signal to the frequency control terminal of small pump 6.
This central air-conditioning energy device is difference mounting temperature, pressure sensor on the pipeline of cooling water pipe and chilled water pipe; The temperature signal of two-way temperature sensor collection is input to the differential temperature controller in the controller 5; Differential temperature controller shows temperature approach; Can set temperature difference reference value, and deliver to control centre to the output signal, after computing, deliver to the analog input port of cooling water circulating pump 2, chilled water circulating pump 3 and blower fan of cooling tower 7 frequency converters exporting signal; When cooling backwater was higher than preferred temperature, the 7 equal full range 50Hz operations of cooling water circulating pump 2, blower fan of cooling tower were when reducing to desired value to temperature when following, blower fan of cooling tower 7, cooling water circulating pump 2 low-frequency operations, entering energy-saving run state.When should chilled water temperature being higher than its desired value, refrigeration host computer 4, chilled water circulating pump 3 equal full range 50Hz operations, when temperature was lower than its desired value, both all got into the power save mode of low-frequency operation, thus the realization equilibrium of supply and demand.In addition, the small pump 6 in the circulatory system can be with the pressure stability of recirculated water at a steady state value, and small pump 6 starts moisturizings when pipeline pressure is lower than this value, stops moisturizing when arriving setting value, guarantees equipment stable operation.
Claims (2)
1. central air-conditioning energy device; Comprise refrigeration host computer device (4), be connected cooling water pipe and chilled water pipe on the refrigeration host computer device (4), be connected cooling water circulating pump (2) on the cooling water pipe, be connected the chilled water circulating pump (3) on the chilled water pipe; It is characterized in that: cooling water sensor (PT1) is installed on cooling water pipe; Chilled water sensor (PT2) is installed on chilled water pipe; The signal output part of said refrigeration host computer device (4), cooling water sensor (PT1) and chilled water sensor (PT2) is connected to the signals collecting end of controller (5) respectively through data wire; The signals collecting end of controller (5) also is connected with outdoor temperature sensor (T3), and the output of controller (5) is connected to the frequency control terminal of cooling water circulating pump (2), chilled water circulating pump (3) respectively through data wire.
2. central air-conditioning energy device according to claim 1 is characterized in that: small pump (6) also is installed on the said chilled water pipe, and the frequency control terminal of said small pump (6) is connected to the moisturizing signal output part of controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205170392U CN202392952U (en) | 2011-12-10 | 2011-12-10 | Energy saver for central air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205170392U CN202392952U (en) | 2011-12-10 | 2011-12-10 | Energy saver for central air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202392952U true CN202392952U (en) | 2012-08-22 |
Family
ID=46667874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205170392U Expired - Fee Related CN202392952U (en) | 2011-12-10 | 2011-12-10 | Energy saver for central air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202392952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820945A (en) * | 2017-12-05 | 2018-03-23 | 四川省建筑科学研究院 | A kind of botanical garden forest greenhouse energy saving temperature and humidity control system |
| CN109425072A (en) * | 2017-08-18 | 2019-03-05 | 茂盟（上海）工程技术股份有限公司 | A kind of energy-saving control system and control method |
-
2011
- 2011-12-10 CN CN2011205170392U patent/CN202392952U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425072A (en) * | 2017-08-18 | 2019-03-05 | 茂盟（上海）工程技术股份有限公司 | A kind of energy-saving control system and control method |
| CN107820945A (en) * | 2017-12-05 | 2018-03-23 | 四川省建筑科学研究院 | A kind of botanical garden forest greenhouse energy saving temperature and humidity control system |
| CN107820945B (en) * | 2017-12-05 | 2020-12-29 | 四川省建筑科学研究院有限公司 | Energy-saving temperature and humidity control system for forest greenhouse of plant garden |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204730411U (en) | Central air conditioning cooling water system energy-saving controller | |
| CN110895016A (en) | Fuzzy self-adaptive based energy-saving group control method for central air-conditioning system | |
| CN201364080Y (en) | Cooling tower air volume regulating system and variable air volume cooling tower adopting same | |
| CN202204149U (en) | Direct-heating type domestic heat pump water heater | |
| CN202338984U (en) | Energy-saving system of central air conditioner | |
| CN203771630U (en) | Air-conditioning floor heating system allowing centralized control in different rooms and time periods | |
| CN201885354U (en) | Energy-saving central air-conditioning system | |
| CN107655160B (en) | Central air conditioning governing system based on neural network prediction | |
| CN103471205A (en) | Method for regulating indoor temperature and dual-temperature control valve | |
| CN203464410U (en) | Energy-saving device for controlling heating and cooling of central air conditioner | |
| CN202392952U (en) | Energy saver for central air-conditioner | |
| CN202149568U (en) | Cold-hot water set and central air-conditioning system | |
| CN103776135B (en) | Can the central controlled air-conditioning ground heating system of locellus timesharing | |
| CN105571089A (en) | Energy-saving intelligent ecological central air conditioning device | |
| CN202204090U (en) | Cooling tower free refrigeration energy-saving device | |
| CN202328524U (en) | Energy-saving device of heat supply system | |
| CN203443258U (en) | Primary pump variable flow control system of refrigeration plant room | |
| CN206593269U (en) | A kind of frequency conversion power saving control device | |
| CN105066376A (en) | Artificial cold source intelligent control system of building structure | |
| CN205878494U (en) | Central air conditioning's water energy storage control system | |
| CN201680530U (en) | Primary pump variable flow system with evaporative water chiller | |
| CN204373150U (en) | central air-conditioning automatic control device | |
| CN202813649U (en) | Energy saving operation control system of central air conditioning ventilation system | |
| CN203385112U (en) | Constant temperature and humidity air-cooled variable frequency air conditioner | |
| CN203771626U (en) | Central air conditioner control system based on PLC and frequency conversion technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |