CN201063582Y - Electricity-saving equipment - Google Patents
Electricity-saving equipment Download PDFInfo
- Publication number
- CN201063582Y CN201063582Y CNU2007201696576U CN200720169657U CN201063582Y CN 201063582 Y CN201063582 Y CN 201063582Y CN U2007201696576 U CNU2007201696576 U CN U2007201696576U CN 200720169657 U CN200720169657 U CN 200720169657U CN 201063582 Y CN201063582 Y CN 201063582Y
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- ali
- potentiometer
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- intelligentized
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Abstract
The utility model discloses an electricity saving device, comprising an intelligentized transducer and a potentiometer, wherein, the intelligentized transducer is connected with motors of a blower and/or a water circulating pump, the control ends of +10 and ALI- as well as ALI+ and COM of the intelligentized transducer are connected with the potentiometer, wherein, the control end of ALI- is connected with a resistance-shifting end, the control ends of ALI+ and COM which are connected together are respectively connected to two fixed ends of the potentiometer together with the control end of +10, control ends of +24 and LI 1 of the intelligentized transducer are connected with an on-off switch. The utility model in trackable detects the refrigerating output of a compressor, which ensures that the circulating water flow keeps matching with the refrigerating output in real time and the annual average electricity saving rate is up to more than 42 percent; the automatic detection of environmental parameters automatically changes the rotate speed of the blower and ensures that the temperature inside the conditionized zone keeps within a set value; the noise of the machine is not only reduced and the electricity saving rate is up to more than 50 percent; the motor of the water pump uses frequency conversion control and the impact of the motor on the electricity network is reduced; the service life of the device is prolonged; the utility model has the characteristics of high efficiency, energy conversation and low noise.
Description
Technical field
The utility model relates to a kind of energy-saving device.
Background technology
At present, in the central air conditioner system in most of hotels, restaurant, it is to utilize the mode of air inlet fan door aperture or lubricious bypass to realize that under partial load condition, the energy value of unit and the power factor of motor all decline to a great extent that the refrigerating capacity of central air-conditioning compressor is regulated; The adjusting of center air-condition circle water amount realizes by gate valve, and during actual motion, and these valves are actually whole unlatchings, make water system be in the abnormal state of " big flow, the little temperature difference " for a long time.Also have the frequency converter timing technology to be applied on the circulating water pump in recent years, but, can't keep synchronously, so the energy saving space there is limitation, and cause the problem of attending to one thing and lose sight of another such as unit tripping easily with refrigerating capacity owing to adopt the manually open loop control of quota; The fan delivery of the air-conditioning box of same central air conditioner system is to adopt plate washer to regulate, and reopens mostly during actual motion, does not make regulatory function basically, and air quantity can't change along with the variation of ambient temperature, causes air conditioning area to occur cold or superheating phenomenon.Chinese patent for example: 98224345 and Chinese patent application: 98104384, they all do not have the robot control system(RCS) of closed loop band feedback, more do not have program control, therefore can't realize changing with the variation of environment or load, and energy-conservation economize on electricity is difficulty comparatively.
The utility model content
At the problems referred to above, the purpose of this utility model provides a kind of air-conditioning system energy-saving device of energy savings more that makes.
For achieving the above object, technical solution of the present utility model is:
A kind of energy-saving device, comprise intelligent frequency converter and potentiometer, described intelligent frequency converter links to each other with the motor of blower fan and/or circulating water pump, the control end of described intelligent frequency converter+10, ALI-, ALI+, COM are connected with potentiometer, wherein control end ALI-connects and becomes the resistance end, receive two stiff ends of potentiometer after control end AL+, COM connect together respectively with control end+10, the control end of intelligent frequency converter+24, LI1 are connected to start stop switch.
Further, also be connected with temperature sensor on control end ALI+, the COM of described intelligent frequency converter.
Energy-saving device of the present utility model passes through the energy consumption Automatic Optimal, and the modulating frequency Automatic Optimal was both capable of reducing energy consumption, can reduce noise again; To the tracking of compressor refrigerating capacity, detect automatically, make circular flow keep mating and can strengthening in real time the relieving capacity of compressor all the time with refrigerating capacity, with the running on the lower load coupling, the annual power saving rate can reach 42% more accurately; By automatic measurement to environmental parameter, change the rotating speed of blower fan automatically, the temperature of conditioned area is remained in the set point, not only reduced noise, power saving rate can reach 50%; To the variable frequency control of pump motor, reduced the impact of electric motor starting to electrical network, reduced the vibrations and the noise of water pump, prolong service life of equipment, set by simple parameter, make control system Automatic Optimal energy consumption of electrical machinery, make motor be in the operation of maximal efficiency place.Therefore, the utlity model has characteristics such as efficient, energy-conservation, low noise.
Description of drawings
Fig. 1 is to air-conditioning draught fan rotating speed control electrical schematic diagram;
Fig. 2 is to circulating pump motor control principle figure;
Fig. 3 is the intelligent frequency convertor fundamental diagram;
Fig. 4 the utility model electrical diagram.
Embodiment
Change less occasion at temperature range, be controlled at 20 ℃-25 ℃ as the guest room indoor temperature in winter in hotel, summer is at 18 ℃-22 ℃.Therefore, need only the rotating speed of controlling blower motor with input analog amount, just can reach the optimum organization of energy consumption.As shown in Figure 1, control end+10, ALI-, ALI+, the COM of intelligent frequency converter are connected with potentiometer B, wherein control end ALI-connects and becomes the resistance end, receive two stiff ends of potentiometer after control end ALI+ and COM connect together with control end+10, the motor M of air-conditioning draught fan is connected with intelligent frequency converter A TV61 through lead.Intelligent frequency converter A TV61 is a known technology, referring to Fig. 3.Intelligent frequency converter is connected with main power source.
As shown in Figure 4, the basic setting up procedure with analog quantity control is:
(1) with an electronic instrument for measuring temperature in certain room, observe its variations in temperature.
(2) with a start stop switch A terminal+24 of frequency converter are connected with LI1.
(3) be connected to intelligent frequency convertor ATV61 control end+10, ALI-, ALI+, COM with a potentiometer B greater than 4.7K Ω, wherein terminal ALI-connects and becomes the resistance end, and control end ALI+ and COM receive two stiff ends of potentiometer at the back and+10 that connects together.
(4) on input/output board, DIP switch AIN1 pushes analog quantity voltage (V) input, and P0756 is set at 0.
(5) connect the intelligent frequency convertor main power source, and with the earthing of casing.
(6)
Parameter L CC is set at NO, and promptly Keyboard Control is under an embargo.
Parameter H SP is set at desirable value, promptly represents the highest frequency setting, is the respective value of maximum analog amount input value.
Parameter L SP is set at desirable value, and the setting of expression low-limit frequency is the respective value of minimum analog quantity input value.
(7) with the corresponding parameter DRC (transmission menu) that is input to of nominal parameter on the motor nameplate
Rated voltage V on the UNS input motor nameplate
Rated current A on the NCR input motor nameplate
Rated power P on the OPR input motor nameplate
Rated power factor COS Φ on the COS input motor nameplate
Rated efficiency η on the LFR input motor nameplate
Rated frequency F on the FRS input motor nameplate
Normal speed N on the NSP input motor nameplate
(8) SFR is set at default value, promptly presses the operation button key, intelligent frequency converter will be measured stator resistance automatically.
(9) start stop switch is connected regulator potentiometer, required frequency when room temperature reaches standard-required.
By above-mentioned simple programming method, regulate rotating speed of motor, can make the power consumption of motor be in optimal state.
In the big occasion of range of temperature, the circulating water pump on the heat exchanger in the hotel for example, because the height of the leaving water temperature of boiler changes the variations in temperature that directly affects hot air conditioner water, therefore, must carry out signal feedback control, boiler hot-water is substantially constant in the scope that needs, as 75 ℃-90 ℃, but so both power savings again can the fuel saving.As shown in Figure 2, the intelligent frequency converter A TV61 of this equipment is connected with the motor M of circulating water pump through lead, and intelligent frequency converter is connected with main power source; Be connected with temperature sensor C on control end ALI+, the COM of intelligent frequency converter, the control end of intelligent frequency converter+24, LI1 are connected to start stop switch A.Wherein potentiometer, temperature sensor all are known technologies, and its product can be ordered.
As shown in Figure 4, its operating parameter setting is as follows:
(1) at first parameter A OL2, AOH2 are set at factory-said value: i.e. the closed-loop control process control is used in expression, uses the analog quantity input service to be feedback signal.
(2) transducer that feedback signal can correctly be provided is installed on circulating water pipeline.
(3) on input/output board, the signal of importing I for analog quantity is the one pole feedback signal of 4-20mA.
(4) LFL is set at LFF, promptly represents analog input, and circuit is controlled by analog quantity.
(5) parameters such as CRL, CRH, UNS, NCR, NSP, ULN, FRS=50 are identical with the little situation of temperature difference scope.
(6), terminal+24 and the LI1 of frequency converter connected and connect with a simple start stop switch A.
(7) connect the frequency converter main power source, and connect ground wire.
Through after the above-mentioned simple programming, the analog signal current 0-20MA analog input 2 of temperature signal feedback sensing amount output is set, circulating water pump to be carried out effectively regulated control, the Automatic Optimal energy cost combination reaches energy-conservation purpose.
This energy-saving device passes through the energy consumption Automatic Optimal, and the modulating frequency Automatic Optimal was both capable of reducing energy consumption, can reduce noise again.
Claims (2)
1. energy-saving device, it is characterized in that, comprise intelligent frequency converter and potentiometer, described intelligent frequency converter links to each other with the motor of blower fan and/or circulating water pump, the control end of described intelligent frequency converter+10, ALI-, ALI+, COM are connected with potentiometer, wherein control end ALI-connects and becomes the resistance end, receives two stiff ends of potentiometer after control end ALI+, COM connect together respectively with control end+10, and the control end of intelligent frequency converter+10, LI1 are connected to start stop switch.
2. a kind of energy-saving device as claimed in claim 1 is characterized in that, also is connected with temperature sensor on control end ALI+, the COM of described intelligent frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201696576U CN201063582Y (en) | 2007-07-10 | 2007-07-10 | Electricity-saving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201696576U CN201063582Y (en) | 2007-07-10 | 2007-07-10 | Electricity-saving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063582Y true CN201063582Y (en) | 2008-05-21 |
Family
ID=39451968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201696576U Expired - Fee Related CN201063582Y (en) | 2007-07-10 | 2007-07-10 | Electricity-saving equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063582Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333234A (en) * | 2014-11-04 | 2015-02-04 | 深圳市英威腾电气股份有限公司 | Photovoltaic pump frequency converter and photovoltaic pump control system and control method |
| CN107702197A (en) * | 2017-09-30 | 2018-02-16 | 吉林同鑫热力集团股份有限公司 | A kind of multi-segment time on-off controlling system for heat exchange station |
-
2007
- 2007-07-10 CN CNU2007201696576U patent/CN201063582Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333234A (en) * | 2014-11-04 | 2015-02-04 | 深圳市英威腾电气股份有限公司 | Photovoltaic pump frequency converter and photovoltaic pump control system and control method |
| CN104333234B (en) * | 2014-11-04 | 2018-02-02 | 深圳市英威腾电气股份有限公司 | Photovoltaic water pump frequency converter, photovoltaic water pump control system and control method |
| CN107702197A (en) * | 2017-09-30 | 2018-02-16 | 吉林同鑫热力集团股份有限公司 | A kind of multi-segment time on-off controlling system for heat exchange station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhao Sihai Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20120710 |