CN2784804Y

CN2784804Y - Automatic test system for air conditioner

Info

Publication number: CN2784804Y
Application number: CN 200520058176
Authority: CN
Inventors: 张昱; 徐永谦; 田翔
Original assignee: AUTOMATION ENGINEERING R&M CENTER GUANGDONG ACADEMY OF SCIENCES
Current assignee: AUTOMATION ENGINEERING R&M CENTER GUANGDONG ACADEMY OF SCIENCES
Priority date: 2005-05-10
Filing date: 2005-05-10
Publication date: 2006-05-31
Anticipated expiration: 2015-05-10

Abstract

The utility model relates to an automatic test system for an air conditioner, which comprises an air conditioner electric control board. The utility model is characterized in that the utility model also comprises a drive control subsystem and an acquiring subsystem, wherein the drive control subsystem comprises a signal given circuit of an air conditioner electric relay, a wind speed given circuit of a blower in an air conditioner, a compressor overcurrent sensing circuit and a complete machine overcurrent sensing circuit of the air conditioner, and the collecting subsystem is composed of an analog voltage collecting circuit of the air conditioner, a digital signal acquiring circuit of the air conditioner, a swing wind speed acquiring circuit of the air conditioner and the blower wind speed acquisition circuit in the air conditioner; the outputs of the signal given circuit of an air conditioner electric relay, the wind speed given circuit of a blower in an air conditioner, the compressor overcurrent sensing circuit and the complete machine current detection circuit of the air conditioner are transferred to the air conditioner electric control board, the outputs of which are respectively connected with the digital signal acquiring circuit of the air conditioner, the digital signal acquiring circuit of the air conditioner, the swing wind speed acquiring circuit of the air conditioner and the blower wind speed acquiring circuit in the air conditioner. The utility model has the advantages of reasonable circuit and convenient operation, the basic functions of the air conditioner new product and the automatic testing of the flow path detection can be realized, and the new functions can be added in real time according to the special needs of the new product development of the air conditioner.

Description

A kind of air-conditioning Auto-Test System

Technical field

The utility model relates to a kind of test macro, particularly a kind of air-conditioning Auto-Test System.

Background technology

At present, also rest on the manual test stage for the detection of air-conditioning manufacturing enterprise product, last test record and examining report also need artificial treatment, and detection efficiency is low, do not catch up with the progress of enterprise's new product development and new projects exploitation far away.Complete framework is on some professional virtual instrument platforms even the Auto-Test System that the enterprise that has has adopted also is.

This system all is superior to the manual test system from performance or on efficient, but still has shortcoming:

1, can not upgrade in time according to the demand that the air-conditioning new product the changes precision of signals collecting;

2, can not and provide air-conditioning to detect drive control signal intelligently according to the change of air-conditioning new product power;

3, when the microcomputer development chip of the automatically controlled plate of air-conditioning was changed, the acquisition pulse data-signal had the sum of errors loss of data;

4, be unsuitable for the task that mass data is handled;

5, can not carry out system call and realize bottom operation;

6, can not work out test technology flow process flexibly according to instruction set in conjunction with the product own characteristic.

The utility model content

The purpose of this utility model is to provide a kind of circuit reasonable, can realize the automatic test of air-conditioning new product basic function and testing process; Set up complete visual testing process and described mechanism, integrated a kind of air-conditioning Auto-Test System of virtual detection technology, software reuse technology, Intelligent Information Processing and fault diagnosis technology.

The purpose of this utility model can reach by following measure: a kind of air-conditioning Auto-Test System, comprise the automatically controlled plate of air-conditioning, it is characterized in that: also comprise by AIR COND RLY Air Conditioner Relay signal feeding circuit, air-conditioning inner blower wind speed given circuit, the compressor overcurrent sensing circuit, the driving RACS that the air conditioner overcurrent sensing circuit is formed, and by the air conditioning simulation voltage collection circuit, the air-conditioning digital signal acquiring circuit, air-conditioning pendulum wind wind speed Acquisition Circuit, the acquisition subsystem that air-conditioning inner blower wind speed Acquisition Circuit is formed, AIR COND RLY Air Conditioner Relay signal feeding circuit, air-conditioning inner blower wind speed given circuit, the automatically controlled plate of air-conditioning is all delivered in the output of compressor overcurrent sensing circuit and air conditioner current detection circuit, the output of the automatically controlled plate of air-conditioning respectively with the air conditioning simulation voltage collection circuit, the air-conditioning digital signal acquiring circuit, air-conditioning pendulum wind wind speed Acquisition Circuit and air-conditioning inner blower wind speed Acquisition Circuit link to each other.

The purpose of this utility model can also reach by following measure: the relay in the AIR COND RLY Air Conditioner Relay signal feeding circuit drives integrated

circuit board IC

₁1,4 pin respectively with relay K ₁, K ₂Join K ₁, K ₂The other end and electric current speed changer CE ₁+ E end joins

IC

₁2,5,21,24,26,28 pin and the aanalogvoltage capture card IC in the air conditioning simulation voltage collection circuit ₂1 pin link to each other IC ₂19 pin and CE ₁VZ end link to each other digit pulse collection and driver card IC ₃91 pin and the CN of the automatically controlled plate of air-conditioning ₁₀End joins, aanalogvoltage

capture card IC

₄19,37 pin respectively with the CN of the automatically controlled plate of air-conditioning ₅, CN ₆End joins.SCA collection collection plate IC ₅CN ₁The CN of terminal and the automatically controlled plate of air-conditioning ₇Terminal joins, aanalogvoltage capture card IC ₆15,16 pin and the CN of the automatically controlled plate of air-conditioning ₂Terminal joins, IC ₆17 pin and the CN of the automatically controlled plate of air-conditioning (1) ₄Terminal joins, IC ₆18 pin and electric current speed changer CE ₂VZ end join.

The utility model has following advantage compared to existing technology:

1, circuit is reasonable, and is easy to use, can realize the automatic test of air-conditioning new product basic function and testing process, and can add new function in real time according to the specific demand of air-conditioning new product development.

2, set up complete visual testing process and described mechanism, made the air-conditioning testing staff need not grasp programming knowledge fully and just can describe detection content, testing process.

3, integrated virtual detection technology; Software reuse technology; Intelligent Information Processing and fault diagnosis technology.

Description of drawings

Fig. 1 is a functional-block diagram of the present utility model;

Fig. 2, Fig. 3 are circuit theory connection layout of the present utility model;

Fig. 4 is the functional structure chart of the utility model software;

Fig. 5 is the system data organization chart of the utility model software;

Fig. 6 is the flow chart of the utility model software.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):

With reference to Fig. 1, the utility model comprises air-condition circuits plate 1 and the driving RACS of being made up of AIR COND RLY Air Conditioner Relay signal feeding circuit 2, air-conditioning inner blower wind speed given circuit 3, compressor overcurrent sensing circuit 4, air conditioner overcurrent sensing circuit 5, the acquisition subsystem of being made up of air conditioning simulation voltage collection circuit 6, air-conditioning digital signal acquiring circuit 7, air-conditioning pendulum wind wind speed Acquisition Circuit 8, air-conditioning inner blower wind speed Acquisition Circuit 9.Wherein the relay in the AIR COND RLY Air Conditioner Relay signal feeding circuit 2 comprises the outer blower fan of air-conditioning, cross valve, compressor and the auxilliary electrothermal relay of electricity.Gather the various signals of the automatically controlled plate 1 of air-conditioning by each acquisition subsystem.

Among Fig. 2,7250 (IC ₁) for relay drives integrated circuit board, can provide the output of 8 passage relays; 9114 (IC ₂) be the aanalogvoltage capture card, gather the d. c. voltage signal of 0～5V; CE ₁Be the electric current speed changer, ac current signal can be converted to analog voltage signal; By controlling 7250 (IC ₁) output K1, K2 regulation voltage automatically, simultaneously current signal is passed through CE ₁Be converted to analog voltage signal, again by 9114A (IC ₂) collect industrial computer, realize the current feedback adjusting by software algorithm, realize that 0～20A standard sine wave alternating current is adjustable continuously, adjust precision and reach 0.1A.6216V (IC ₄) be the aanalogvoltage capture card, be used for gathering the environment temperature and the condenser pipe temperature of air-conditioning; 8554 (IC ₃) be digit pulse collection and driver card, can gather the wind speed of the automatically controlled plate of air-conditioning by it, simultaneously can also be according to the given wind speed of software set.

Among Fig. 3, SCA signal acquiring board (IC ₅) can gather the demonstration signal of air-conditioning display, can export transmitting of air-conditioning remote control by software simultaneously; CE ₂Be the electric current speed changer, the current signal of compressor can be converted to analog voltage signal; 9114A (IC ₆) be the aanalogvoltage capture card, gather CE ₂Compressor current signal after the conversion; 7432 (IC ₇) be the relay output card, by the software flow setting, can control the start and stop of (comprising the auxilliary heat of cross valve, outer blower fan, compressor and electricity) of each link of air-conditioning.

With reference to Fig. 4～Fig. 6, software section comprises:

1) design is specifically designed to the basic instruction set of air conditioner test;

2) set up the Code Template storehouse of instruction set correspondence;

3) the analysis user instruction of selecting for use in measuring ability and the order parameter of setting according to the instruction code ATL, generate and this test function function corresponding level source code;

4) each functional level source code is assembled in the measuring ability selected for use in testing process of analysis user and flow process instruction (in proper order, branch, circulation), generates the process level source code of automatic detection part;

5) when each test function code of assembling, add the debugging control code, realize being provided with breakpoint or single step execution.

Claims

1, a kind of air-conditioning Auto-Test System, comprise the automatically controlled plate of air-conditioning (1), it is characterized in that: also comprise by AIR COND RLY Air Conditioner Relay signal feeding circuit (2), air-conditioning inner blower wind speed given circuit (3), compressor overcurrent sensing circuit (4), the driving RACS that air conditioner overcurrent sensing circuit (5) is formed, and by air conditioning simulation voltage collection circuit (6), air-conditioning digital signal acquiring circuit (7), air-conditioning pendulum wind wind speed Acquisition Circuit (8), the acquisition subsystem that air-conditioning inner blower wind speed Acquisition Circuit (9) is formed, AIR COND RLY Air Conditioner Relay signal feeding circuit (2), air-conditioning inner blower wind speed given circuit (3), the automatically controlled plate of air-conditioning (1) is all delivered in the output of compressor overcurrent sensing circuit (4) and air conditioner current detection circuit (5), the output of the automatically controlled plate of air-conditioning (1) respectively with air conditioning simulation voltage collection circuit (6), air-conditioning digital signal acquiring circuit (7), air-conditioning pendulum wind wind speed Acquisition Circuit (8) and air-conditioning inner blower wind speed Acquisition Circuit (9) link to each other.

2, system according to claim 1 is characterized in that: the relay in the AIR COND RLY Air Conditioner Relay signal feeding circuit (2) drives integrated circuit board IC ₁1,4 pin respectively with relay K ₁, K ₂Join K ₁, K ₂The other end and electric current speed changer CE ₁+ E end joins IC ₁2,5,21,24,26,28 pin and air conditioning simulation voltage collection circuit (6) in 1 pin of aanalogvoltage capture card IC2 link to each other 19 pin and the CE of IC2 ₁VZ end link to each other digit pulse collection and driver card IC ₃91 pin and the CN of the automatically controlled plate of air-conditioning (1) ₁₀End joins, aanalogvoltage capture card IC ₄19,37 pin respectively with the CN of the automatically controlled plate of air-conditioning (1) ₅, CN ₆End joins.

3, system according to claim 1 is characterized in that: SCA collection collection plate IC ₅CN ₁The CN of the automatically controlled plate of terminal and air-conditioning (1) ₇Terminal joins, aanalogvoltage capture card IC ₆15,16 pin and the CN of the automatically controlled plate of air-conditioning (1) ₂Terminal joins, IC ₆17 pin and the CN of the automatically controlled plate of air-conditioning (1) ₄Terminal joins, IC ₆18 pin and electric current speed changer CE ₂VZ end join.