CN202254114U

CN202254114U - Air conditioner time-sharing variable-speed energy-saving control system

Info

Publication number: CN202254114U
Application number: CN2011203990560U
Authority: CN
Inventors: 张平
Original assignee: SHANDONG SANJIANG ELECTRONIC ENGINEERING Co Ltd
Current assignee: SHANDONG SANJIANG ELECTRONIC ENGINEERING Co Ltd
Priority date: 2011-10-19
Filing date: 2011-10-19
Publication date: 2012-05-30
Anticipated expiration: 2021-10-19

Abstract

The utility model relates to an air conditioner time-sharing variable-speed energy-saving control system. The system comprises a master control board, wherein the master control board is provided with a single-chip microcomputer and a clock chip which is connected with the single-chip microcomputer; the clock chip is used for transmitting recorded working time of an air conditioner auxiliary machine to the single-chip microcomputer; the single-chip microcomputer is used for presetting a plurality of time buckets; one alternating current (AC) output frequency is correspondingly set in each time bucket; the single-chip microcomputer is used for controlling to supply AC of the output frequency corresponding to the time bucket to the air conditioner auxiliary machine according to the working time buckets of the air conditioner auxiliary machine; and the operating speed of the air conditioner auxiliary machine is changed in a manner that different AC output frequencies are supplied in different time buckets. The energy-saving control system can effectively save energy and effectively solves the problem of high energy consumption in the prior art.

Description

A kind of air-conditioning variable speed energy conservation control at times system

Technical field

The utility model relates to air-conditioning subsidiary engine control technology, relates to being used for controlling the water circulating pump of air-conditioning subsidiary engine and the energy-saving control system of blower fan, more particularly, relates to a kind of air-conditioning variable speed energy conservation control at times system.

Background technology

In the heavy construction, generally all can be equipped with central air conditioner system in modern times, it can improve the environment of people's life or work; But central air-conditioning also is the maximum equipment of energy consumption in the building, account for 60%～70% of building total energy consumption, and wherein quite a few energy consumption is consumed by water pump in the air-conditioning subsidiary engine and blower fan; Because the capacity of air-conditioning water pump all is to add a part of allowance calculating again according to maximum load to get; And in actual motion, the variations in temperature within a day is very big, all has the very big temperature difference at summer in winter, morning and noon; And the temperature of each period also all is not quite similar within one day, but the temperature curve of every day all has great similitude.Whole day all lets the blower fan of air-conditioning, water pump turn round according to design capacity, even also have only noon can reach or the approaching capacity that designs when load is maximum, all the other times then can be wasted a large amount of energy time of several days.

Existing air conditioner water pump control system adopts star-triangle start mode mostly; Though or a part of water pump installs frequency conversion drive additional; But do not have rational control system to control, can only set fixed frequency artificially, so not only waste of manpower but also do not have too remarkable energy saving effect.

The utility model content

The utility model technical problem to be solved provides a kind of air-conditioning variable speed energy conservation control at times system, controls the exploitation speed of water pump, blower fan at times, can be effectively energy-conservation, and to overcome the big difficult problem of air conditioning energy consumption that exists in the prior art.

The technical scheme that the utility model solves the problems of the technologies described above is following:

A kind of air-conditioning variable speed energy conservation control at times system; Comprise master control borad; Master control borad is provided with single-chip microcomputer and the clock chip that is connected with single-chip microcomputer; The working time of clock chip record air-conditioning auxiliary machine, and transfer to single-chip microcomputer, said single-chip microcomputer is according to the exploitation speed of the working time control air-conditioning auxiliary machine of this air-conditioning auxiliary machine.

Further, said air-conditioning auxiliary machine comprises blower fan and water pump.

Further, said master control borad is provided with the time of position chip and the serial ports of down loading updating single-chip microcomputer internal processes instruction.

Further; Said single-chip microcomputer preestablishes a plurality of time periods through serial ports; Each time period correspondence is provided with an alternating current output frequency, and single-chip microcomputer is according to the working time section of blower fan and/or water pump, and control provides the alternating current with its corresponding output frequency of time period to blower fan and/or water pump.

Cold/heat distribution according to need that the described energy-saving control system of the utility model can reach; The high load capacity time period is improved the rotating speed of water pump, blower fan; The low load time section reduces the rotating speed of water pump, blower fan, avoided the whole day power frequency following plenty of time of situation cold/situation of heat " supply exceed demand ", practiced thrift mass energy; And native system is simple in structure, stable, be easy to safeguard and promote.

Description of drawings

Fig. 1 is the utility model structural representation;

In the accompanying drawing, the list of parts of each label representative is following:

1, master control borad, 11, single-chip microcomputer, 12, clock chip, 2, rectification module, 3, inversion module, 4, driving and holding circuit, 5, water pump, 6, current sensor.

The specific embodiment

Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.

As shown in Figure 1; The described air-conditioning of the utility model embodiment variable speed energy conservation control at times system comprises master control borad 1, and master control borad 1 is provided with single-chip microcomputer 11 and the clock chip 12 that is connected with single-chip microcomputer 11; The working time of clock chip 12 record air-conditioning auxiliary machines, and transfer to single-chip microcomputer 11.

Said air-conditioning auxiliary machine can be blower fan and water pump 5 etc.

Said master control borad 1 is provided with the time of position chip 12 and the serial ports of down loading updating single-chip microcomputer 11 internal processes instruction.Single-chip microcomputer 11 preestablishes a plurality of time periods through serial ports, and each time period correspondence is provided with an alternating current output frequency, and single-chip microcomputer 11 is according to the working time section of water pump 5, and control provides the alternating current with its corresponding output frequency of time period to water pump 5.

The described energy-saving control system of the utility model also comprises rectification module 2, be the inversion module 3 of alternating current and the driving and the holding circuit 4 that are connected with said master control borad 1 respectively with the DC current inversion.Said inversion module 3 is connected with water pump (perhaps blower fan) 5 through electric wire; Inversion module 3 also is connected with said driving and holding circuit 4; The positive input of said inversion module 3 inserts the forward output of rectification module 2, and the negative input of inversion module 3 inserts the negative sense output of rectification module 2.

Two over capacity capacitor C 1; C2 connects each other and inserts rectification module 2; The negative pole of diode inserts the forward output of rectification module 2, and the resistance R parallel connection inserts on the said diode, and the positive pole of diode inserts the anode of IGCT; The negative electrode of IGCT inserts the negative sense output of rectification module 2, and the gate pole of IGCT inserts said driving and holding circuit 4.Described over capacity capacitor C 1, C2, diode connected in parallel and resistance R and IGCT have played the effect of filtering and rectification.

One termination of current sensor 6 is gone on the electric wire that is connected with water pump 5 to record electric current, passes to master control borad 1 after the other end of current sensor 6 records.

Said driving and the holding circuit 4 omnidistance operating index of keeping watch on each module; The electric current that senses when current sensor 6 is excessive or when other unusual conditions occurring; Driving and holding circuit 4 will be taked safeguard measure; The signal that gives the alarm is given master control borad 1, does further processing by master control borad 1 again according to nature of trouble.

After the described energy-saving control system of the utility model inserts three-phase 380v, 50Hz alternating current; Convert direct current into through rectification module 2; Be connected into inversion module 3 through dc bus then; Described over capacity capacitor C 1, C2, diode connected in parallel and resistance R and IGCT have played the effect of filtering and rectification.

Actual climate condition according to the location; Can be at most with being divided into 6 time periods in one day; Again according to the temperature characteristics of each time period; To each time period set corresponding satisfy when the period needed cold/the alternating current output frequency of heat; Single-chip microcomputer 11 is according to the working time section of water pump 5 or blower fan, and the break-make through IGCT in the control inversion module 3 becomes the alternating current that meets corresponding output frequency of each time period to the direct current another mistake through rectification module 2 rectifications, to water pump 5 or blower fan the alternating current with its corresponding output frequency of time period is provided; Drive water pump 5 runnings by the water pump drive motors, thereby control the exploitation speed of water pump 5 auxiliary machines such as air-conditioning such as grade with the alternating current of this output frequency.

The described system of the utility model can move according to preset scheme automatically, is simple and easy to safeguard, effectively saves energy resource consumption.

The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. air-conditioning variable speed energy conservation control at times system; It is characterized in that: comprise master control borad (1); Master control borad (1) is provided with single-chip microcomputer (11) and the clock chip that is connected with single-chip microcomputer (12); The working time of clock chip (12) record air-conditioning auxiliary machine, and transfer to single-chip microcomputer (11), said single-chip microcomputer is according to the exploitation speed of the working time control air-conditioning auxiliary machine of this air-conditioning auxiliary machine.

2. air-conditioning according to claim 1 variable speed energy conservation control at times system is characterized in that: said master control borad (1) is provided with the time of position chip and the serial ports of down loading updating single-chip microcomputer internal processes instruction.

3. according to claim 1,2 described air-conditionings variable speed energy conservation control at times system; It is characterized in that: single-chip microcomputer preestablishes a plurality of time periods through serial ports; Each time period correspondence is provided with an alternating current output frequency; Single-chip microcomputer is according to the working time section of blower fan and/or water pump, and control provides the alternating current with its corresponding output frequency of time period to blower fan and/or water pump.