CN2670983Y - Intelligent electric power-saving apparatus - Google Patents

Intelligent electric power-saving apparatus Download PDF

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Publication number
CN2670983Y
CN2670983Y CN 200320121939 CN200320121939U CN2670983Y CN 2670983 Y CN2670983 Y CN 2670983Y CN 200320121939 CN200320121939 CN 200320121939 CN 200320121939 U CN200320121939 U CN 200320121939U CN 2670983 Y CN2670983 Y CN 2670983Y
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CN
China
Prior art keywords
control end
potentiometer
converter
saving
intelligentized
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Expired - Lifetime
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CN 200320121939
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Chinese (zh)
Inventor
李盛德
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Beijing Lepro Seva Da Science and Technology Limited Liability Company
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YUEPU SIFANG SCIENCE AND TECHN
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Priority to CN 200320121939 priority Critical patent/CN2670983Y/en
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  • Air Conditioning Control Device (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The utility model discloses an intelligent electric power-saving apparatus, comprising an intelligentized converter and a potentiometer. The intelligentized converter is connected with a draught fan and/or the motor of a circulation water pump. The control end 1, 2, 3 and 4 of the intelligentized converter are connected with the potentiometer; wherein the control end 3 is connected with a variable resistance end, and the control end 2 and 4 after connected together with the control end 1 are respectively connected to the two built-in ends of the potentiometer. The control end 5 and 9 of the intelligentized converter are arranged with on-off switches. The utility model tracing detects the refrigerating effect of a compressor to make the circulating water flow and the refrigerating effect keep real time matching. The annual average electricity-saving rate can reach more than 42 percent. Through the automatic detection for the environmental parameter, the revolution rate of the draught fan is automatically altered to keep the temperature of the air-conditioning area in the setting value. Not only is the machine noise reduced, but also the electricity-saving rate can reach more than 50 percent. The intelligent electric power-saving apparatus frequency conversion controls the water pump motor, reduces the impact of starting motor to the electric network, prolongs the service life of the equipment, and has the characteristics of high efficiency, saving energy, low noise, etc.

Description

Intelligent energy-saving device
Technical field
The utility model relates to a kind of energy-saving device, particularly a kind ofly utilizes intelligent frequency converter to make each motor of central air conditioner system operate in the intelligent energy-saving device at its maximal efficiency place.
Background technology
Central air conditioner system with present most of hotels, restaurant is an example, it is to utilize the mode of air intake opening fan door aperture or lubricious bypass to realize that the refrigerating capacity of central air conditioner compressor is regulated, under partial load condition, the energy value of unit and the power factor of motor all decline to a great extent; 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 up-set condition of " big flow, the little temperature difference " for a long time.Also have the frequency converter timing technology to be applied on the water circulating 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 environment temperature, causes air conditioning area to occur cold or superheating phenomenon.Chinese patent for example: 98224345, automatic constant-pressure supplies water, the motor speed control device of constant temperature air-supply, Chinese patent application: 98104384, be used for commercial unit, especially material industry device drives device, they all do not have the robot control system(RCS) of closed loop band feedback, more do not have programmed control, therefore they can't realize changing with the variation of environment or load, and energy-conservation economize on electricity is difficulty comparatively.
The utility model content
The purpose of this utility model is to disclose a kind of intelligent energy-saving device, and this equipment has overcome makes equipment be in the energy dissipation problem that inefficient duty causes in the prior art.
In order to achieve the above object, the intelligent energy-saving device of the utility model, comprise intelligent frequency converter and potentiometer, described intelligent frequency converter links to each other with the motor of blower fan and/or water circulating pump, the control end 1,2,3,4 of described intelligent frequency converter is connected with potentiometer, wherein control end 3 connects and becomes the resistance end, receives two stiff ends of potentiometer after control end 2,4 connects together respectively with control end 1, and the control end 5,9 of intelligent frequency converter is connected to start stop switch.
Further, also be connected with temperature sensor on the control end 3,4 of described intelligent frequency converter.
Intelligent 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; To the tracking of compressor refrigerating capacity, detect automatically, make circular flow keep mating and can strengthening in real time the offloading 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 setting value, 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 optimal combination of energy consumption.As shown in Figure 1, the control end 1,2,3,4 of intelligent frequency converter is connected with potentiometer B, wherein control end 3 connects and becomes the resistance end, receives two stiff ends of potentiometer after control end 2 and 4 connects together with control end 1, and the motor M of air-conditioning draught fan is connected with intelligent frequency converter ECO through lead.Intelligent frequency converter ECO is a known technology, referring to Fig. 3.Intelligent frequency converter is connected with primary power.
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 temperature variation.
(2) with a start stop switch A terminal 9 of frequency converter is connected with 5.
(3) be connected to intelligent frequency convertor ECO control end 1,2,3,4 with a potentiometer B greater than 4.7K Ω, wherein terminal 3 connects and becomes the resistance end, and two stiff ends of potentiometer are received in control end 2 and 4 back and 1 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 primary power, and with the earthing of casing.
(6) parameter P1000 being set at 2 is the analog quantity input, controls by analog quantity:
Parameter P0700 is set at 2, and promptly Keyboard Control is under an embargo.
Parameter P0758 is set at 100%, promptly represents the highest frequency setting, is the respective value of maximum analog amount input value.
Parameter P0760 is set at 0%, and the setting of expression low-limit frequency is the respective value of minimum analog quantity input value.
(7) with the corresponding parameter P0304-P0311 that is input to of nominal parameter on the motor nameplate
Rated voltage V on the P0304 input motor nameplate
Rated current A on the P0305 input motor nameplate
Rated power P on the P0307 input motor nameplate
Rated power factor COS Ф on the P0308 input motor nameplate
Rated efficiency η on the P0309 input motor nameplate
Rated frequency F on the P0310 input motor nameplate
Rated speed N on the P0311 input motor nameplate
(8) P1910 is set at 1 and r1912 be set at default value, promptly press 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 water circulating pump on the heat exchanger in the hotel for example, because the height of the leaving water temperature of boiler changes the temperature variation 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 ECO of this equipment is connected with the motor M of water circulating pump through lead, and intelligent frequency converter is connected with primary power; Be connected with temperature sensor C on the control end 3,4 of intelligent frequency converter, the control end 5,9 of intelligent frequency converter is 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 P2200 is set at 1: i.e. the closed-loop control process control is used in expression, uses the analog quantity input service to be feedback signal.
(2) sensor that feedback signal can correctly be provided is installed on circulating water pipeline.
(3) on input/output board, DIP switch pushes ON and P0756 is set at 2, and the signal of importing I for analog quantity is the one pole feedback signal of 4-20mA.
(4) P1000 is set at 2, promptly represents analog input, and circuit is controlled by analog quantity.
(5) parameters such as P0758, P0760, P0304-P0311, P1910=1 are identical with the little situation of temperature difference scope.
(6), the terminal 9 and 5 of frequency converter is connected and connects with a simple start stop switch A.
(7) connect the frequency converter primary power, 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, water circulating pump to be carried out effectively regulated control, the Automatic Optimal energy cost combination reaches energy-conservation purpose.
Intelligent 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, a kind of intelligent 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 water circulating pump, the control end 1,2,3,4 of described intelligent frequency converter is connected with potentiometer, wherein control end 3 connects and becomes the resistance end, receives two stiff ends of potentiometer after control end 2,4 connects together respectively with control end 1, and the control end 5,9 of intelligent frequency converter is connected to start stop switch.
2, intelligent energy-saving device according to claim 1 is characterized in that, also is connected with temperature sensor on the control end 3,4 of described intelligent frequency converter.
CN 200320121939 2003-11-19 2003-11-19 Intelligent electric power-saving apparatus Expired - Lifetime CN2670983Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200320121939 CN2670983Y (en) 2003-11-19 2003-11-19 Intelligent electric power-saving apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200320121939 CN2670983Y (en) 2003-11-19 2003-11-19 Intelligent electric power-saving apparatus

Publications (1)

Publication Number Publication Date
CN2670983Y true CN2670983Y (en) 2005-01-12

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CN 200320121939 Expired - Lifetime CN2670983Y (en) 2003-11-19 2003-11-19 Intelligent electric power-saving apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104481908A (en) * 2014-12-11 2015-04-01 西南铝业（集团）有限责任公司 Fan motor device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104481908A (en) * 2014-12-11 2015-04-01 西南铝业（集团）有限责任公司 Fan motor device

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C14 Grant of patent or utility model
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ASS Succession or assignment of patent right

Owner name: BEIJING YINKE SHUNCHI TECHNOLOGY DEVELOPMENT CO.,

Effective date: 20050603

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20050603

Address after: 101315 North Industry Zone, Beijing, Shunyi District

Co-patentee after: Beijing inkoo Shunchi Technology Development Co. Ltd.

Patentee after: Yuepu Sifang Science and Technology Development Co., Ltd., Beijing

Address before: 101315 North Industry Zone, Beijing, Shunyi District

Patentee before: Yuepu Sifang Science and Technology Development Co., Ltd., Beijing

ASS Succession or assignment of patent right

Owner name: GELANGAO YUEPU SIFANG (BEIJING )SCIENCE DEVELOPME

Free format text: FORMER OWNER: LEPU SIFANG SCIENCE + TECHNOLOGY CO., LTD., BEIJING; PATENTEE

Effective date: 20060317

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Effective date of registration: 20060317

Address after: 100088 Beijing city Haidian District minzhuang Road No. 3 Building No. 10 Yuquan Huigu Tsinghua Science Park

Patentee after: Klenco Lepu Quartet (Beijing) Technology Development Co. Ltd.

Address before: 101315 North Industry Zone, Beijing, Shunyi District

Co-patentee before: Beijing inkoo Shunchi Technology Development Co. Ltd.

Patentee before: Yuepu Sifang Science and Technology Development Co., Ltd., Beijing

ASS Succession or assignment of patent right

Owner name: BEIJING LEPRO SEVA TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: GELANGAO YUEPU SIFANG (BEIJING )SCIENCE DEVELOPMENT CO., LTD.

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Address after: 100084 A308, Room 102, school building, Tsinghua University, Beijing, Haidian District

Patentee after: Beijing Lepro Seva Da Science and Technology Limited Liability Company

Address before: 100089 Beijing city Haidian District minzhuang Road No. 3 Building No. 10 Yuquan Huigu Tsinghua Science Park

Patentee before: Klenco Lepu Quartet (Beijing) Technology Development Co. Ltd.

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20090213

Address after: Beijing city Haidian District minzhuang Road No. 3, building 10, room 101, zip code: 100097

Patentee after: Lepu Sifang (Beijing) Energy Saving Technology Co., Ltd.

Address before: A308, Room 102, school building, Tsinghua University, Beijing, Haidian District 100084

Patentee before: Beijing Lepro Seva Da Science and Technology Limited Liability Company

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Granted publication date: 20050112