CN102230850A - Method and system for on-line test on outer machine of wind-cooling freezer - Google Patents
Method and system for on-line test on outer machine of wind-cooling freezer Download PDFInfo
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- CN102230850A CN102230850A CN2011100805971A CN201110080597A CN102230850A CN 102230850 A CN102230850 A CN 102230850A CN 2011100805971 A CN2011100805971 A CN 2011100805971A CN 201110080597 A CN201110080597 A CN 201110080597A CN 102230850 A CN102230850 A CN 102230850A
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Abstract
The invention discloses a method for an on-line test on an outer machine of a wind-cooling freezer. The method comprises the following steps: making the outer machine of the wind-cooling freezer be power on and collecting an environmental temperature and power of the whole machine of the outer machine of a wind-cooling freezer; starting an outer blower fan, controlling the outer blower fan to make an operation from a lower grade to a higher grade and collecting the whole power of the outer blower fan; starting a compressor, unlatching a four-way valve and controlling the outer blower fan to make an operation at a lower grade; delaying time for a time slot and collecting an environmental temperature, a temperature in a tube and a discharge temperature; stopping the compressor, closing the four-way valve and carrying out transition of a power-off mode; starting again the compressor after time delay for the time slot, controlling the outer blower fan to make an operation at a higher grade and collecting the whole power; stopping the compressor and the outer blower fan to complete the test. Besides, the invention also discloses a system for realizing the on-line test on the outer machine of the wind-cooling freezer. According to the method and the system provided in the invention, an on-line test of a performance index of an outer machine of a wind-cooling freezer can be realized rapidly, comprehensively, and accurately.
Description
Technical field
The present invention relates to the air conditioner test technical field, particularly relate to a kind of method and system that realize the outer machine on-line testing of air-cooled cabinet.
Background technology
The outer machine of machine and air-cooled cabinet in split-type air conditioner is divided into, and the setting that is separated from each other.In the air-conditioning production run, need every technical indicator of the outer machine of internal machine and air-cooled cabinet to test respectively.
For the outer machine of air-cooled cabinet, in process of production, need the start operation and test it whether can normally to freeze and heat.In the prior art, method to the outer machine test of air-cooled cabinet is generally: the outer machine of tested air-cooled cabinet is connected with machine in the special-purpose standard of test, manually control the outer machine of air-cooled cabinet according to the main control logic that presets by technician's remote controller, by starting beginning, freeze earlier, heating again, circulation repeatedly judges whether the outer machine operation of tested air-cooled cabinet is normal; By the technician test result is carried out hand-kept again.
The inventor finds in research process, in the prior art, adopts the mode of technician's manual detection, manual record that the outer machine of air-cooled cabinet is carried out the on-line performance test.This method of testing labour intensity is big, the test duration is long, testing efficiency is low, simultaneously, because this method of testing is subjected to artificial factor bigger, makes the False Rate height, and accuracy is on the low side; Prior art adopts the method for hand-kept, is unfavorable for large-scale production, also is unfavorable for the scientific information statistical management.
Therefore, realizing the on-line testing of the outer machine performance index of air-cooled cabinet how fast, comprehensively and accurately, is the technical matters that those skilled in the art are badly in need of solving.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method and system that realize the outer machine on-line testing of air-cooled cabinet, can realize the automatic online test of the outer machine performance index of air-cooled cabinet fast, comprehensively and accurately.
The embodiment of the invention provides a kind of method that realizes the outer machine on-line testing of air-cooled cabinet, said method comprising the steps of:
Step 1: the outer machine of air-cooled cabinet powers on, and gathers the environment temperature and the complete machine power of the outer machine of described air-cooled cabinet, judges whether the environment bulb and the heat tape of the outer machine of described air-cooled cabinet be normal;
Step 2: start outer blower fan, control described outer blower fan and move to high tap position by low-grade location, the complete machine power when the outer blower fan of collection operates in low-grade location and high tap position respectively judges whether the transforming gear of described outer blower fan is normal;
Step 3: start compressor, open four-way valve, control described outer blower fan and operate in low-grade location; Delay time after a time period, gather temperature and delivery temperature in the environment temperature, pipe of the outer machine of described air-cooled cabinet, judge respectively whether bulb and gas outlet thermometer bulb be normal in the four-way valve, pipe of the outer machine of described air-cooled cabinet;
Step 4: stop compressor, close four-way valve, carry out the power-down mode conversion;
Step 5: after the time period of delaying time, start compressor once more, control described outer blower fan and operate in high tap position, gather outer blower fan complete machine power;
Step 6: stop compressor and outer blower fan, test is finished.
Preferably, described step 2 may further comprise the steps:
Step 21: start outer blower fan;
Step 22: first constantly control described outside blower fan operate in low-grade location, collect the complete machine power of low-grade location correspondence;
Step 23: after the time period of delaying time, second constantly control described outside blower fan operate in high tap position, collect the complete machine power of high tap position correspondence;
Step 24: the complete machine power of more described low-grade location correspondence and the complete machine power of high tap position correspondence, judge whether the transforming gear of described outer blower fan is normal.
Preferably, described step 3 may further comprise the steps:
Step 31: start compressor, open four-way valve, control outer blower fan and operate in low-grade location;
Step 32: after the time period of delaying time, constantly gather temperature in the environment temperature of machine current described air-cooled cabinet outside and the pipe the 3rd, relatively whether current environmental temperature determines whether described four-way valve commutate normal greater than temperature in the described pipe;
Step 33: the 4th constantly, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet, after the time period of delaying time,, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet once more the 5th constantly;
Step 34: temperature in the pipe of temperature and the 5th moment correspondence in the pipe of more described the 4th moment correspondence, judge whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal;
Step 35: the corresponding constantly delivery temperature of delivery temperature and the 5th that more described the 4th moment is corresponding, judge whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal.
Preferably, described method also comprises:
In 6, every test data of the outer machine of the described air-cooled cabinet that collects is exported in real time, is shown and stores to step 1.
The present invention also provides a kind of system that realizes the outer machine on-line testing of air-cooled cabinet, and described system comprises: industrial computer and proving installation; Between described industrial computer and the proving installation, link to each other by communication line respectively between the outer machine of described proving installation and tested air-cooled cabinet;
Described proving installation comprises: controller receives the test instruction that described industrial computer sends by communication interface, and described test instruction is sent to instruction converting unit, by instruction converting unit described test instruction is converted to the tested air-cooled cabinet control command of machine outward, transfers to the outer machine of described tested air-cooled cabinet by interface unit; Controller receives the various real-time testing data that the data acquisition unit of the outer machine of described tested air-cooled cabinet collects by the image data receiving element, and described real-time testing data are back to described industrial computer;
Described industrial computer is used to send test instruction to described proving installation; And receive the real-time testing data that described proving installation returns, determine according to described real-time testing data whether the outer machine of described tested air-cooled cabinet breaks down;
Described industrial computer comprises:
First test cell is used to send the instruction that the outer machine of air-cooled cabinet powers on; And receive the environment temperature of the outer machine of described air-cooled cabinet that described proving installation returns and the real-time testing data of complete machine power, and judge whether the environment bulb and the heat tape of the outer machine of described air-cooled cabinet be normal, trigger second test cell;
Described second test cell is used to send the outer blower fan of startup, controls described outer blower fan is moved to high tap position by low-grade location instruction; And the real-time testing data of the complete machine power when receiving outer blower fan that described proving installation returns and operating in low-grade location and high tap position, judge whether the transforming gear of described outer blower fan is normal, trigger the 3rd test cell;
Described the 3rd test cell, the instruction that be used to send the startup compressor, open four-way valve, the described outer blower fan of control operates in low-grade location; And after the time period of delaying time, receive the real-time testing data of temperature and delivery temperature in the environment temperature, pipe of the outer machine of described air-cooled cabinet that described proving installation returns, judge respectively whether bulb and gas outlet thermometer bulb be normal in the four-way valve, pipe of the outer machine of described air-cooled cabinet, triggers the 4th test cell;
Described the 4th test cell is used to send the instruction that stops compressor, closes four-way valve, carries out the power-down mode conversion, triggers the 5th test cell;
Described the 5th test cell after the time period that is used to delay time, send to start the instruction that compressor, the described outer blower fan of control operate in high tap position once more, receives the real-time testing data of the outer blower fan complete machine power that described proving installation returns, and triggers the 6th test cell;
Described the 6th test cell: be used to send the instruction that stops compressor and outer blower fan.
Preferably, described second test cell comprises:
The 21 subelement is used to send the instruction that starts outer blower fan, triggers the two or two subelement;
Described the two or two subelement, be used for first constantly send control described outside blower fan operate in the instruction of low-grade location, receive the complete machine power of the low-grade location correspondence that described proving installation returns, trigger the two or three subelement;
Described the two or three subelement, after the time period that is used to delay time, second constantly send control described outside blower fan operate in the instruction of high tap position, receive the complete machine power of the high tap position correspondence that described proving installation returns, trigger the two or four subelement;
Described the two or four subelement is used for the complete machine power of more described low-grade location correspondence and the complete machine power of high tap position correspondence, judges whether the transforming gear of described outer blower fan is normal;
Described the two or five subelement is used to trigger described the 3rd test cell.
Preferably, described the 3rd test cell comprises:
The 31 subelement is used for sending the startup compressor, opens four-way valve, controls the instruction that outer blower fan operates in low-grade location, triggers the three or two subelement;
Described the three or two subelement, be used to delay time after a time period, constantly receive temperature in the environment temperature of machine outside the current described air-cooled cabinet that described proving installation returns and the pipe the 3rd, relatively whether current environmental temperature is greater than temperature in the described pipe, determine whether described four-way valve commutation is normal, triggers the three or three subelement;
Described the three or three subelement, be used for constantly the 4th, receive temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet that described proving installation returns, delay time after a time period, the 5th constantly, receive temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet that described proving installation returns once more, trigger the three or four subelement;
Described the three or four subelement is used for temperature in the corresponding constantly pipe of corresponding pipe temperature and the 5th of more described the 4th moment, judges whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal, triggers the three or five subelement;
Described the three or five subelement is used for the more described the 4th corresponding constantly corresponding constantly delivery temperature of delivery temperature and the 5th, judges whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal, triggers the three or six subelement;
Described the three or six subelement is used to trigger described the 4th test cell.
Preferably, described industrial computer also comprises display unit and data storage cell;
Described display unit is used to the real-time testing data that show that the described proving installation of output returns;
Described data storage cell is used to store described test data.
Preferably, described interface unit comprises several interfaces, and each parts with the outer machine of described tested air-cooled cabinet are corresponding one by one respectively.
Preferably, described image data receiving element comprises that several receive subelement, and each data acquisition unit with the outer machine of described tested air-cooled cabinet is corresponding one by one respectively
According to specific embodiment provided by the invention, the invention discloses following technique effect:
The described system of the embodiment of the invention, by proving installation the outer machine of tested air-cooled cabinet is linked to each other with industrial computer, realize the automatic on-line of the outer machine of tested air-cooled cabinet is tested by industrial computer, compare with the method for available technology adopting manual detection, the labour intensity of test macro of the present invention is low, test speed is fast, testing efficiency is high, simultaneously, because this test macro is subjected to artificial factor less, make False Rate low, test accuracy is higher.On the other hand, the described test macro of the embodiment of the invention, compared with prior art, its testing process is reasonable, testing efficiency is high, the accuracy height of test, and the performance index of the air-conditioning system of test are more comprehensive.
Therefore, the method for the invention and system can realize the on-line testing of the outer machine performance index of air-cooled cabinet fast, comprehensively and accurately.
Description of drawings
The method flow diagram of the outer machine on-line testing of the air-cooled cabinet of realization that Fig. 1 provides for the embodiment of the invention;
The system construction drawing of the outer machine on-line testing of the air-cooled cabinet of realization that Fig. 2 provides for the embodiment of the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
In view of this, the object of the present invention is to provide a kind of method and system that realize the outer machine on-line testing of air-cooled cabinet, can realize the on-line testing of the outer machine performance index of air-cooled cabinet fast, comprehensively and accurately.
With reference to Fig. 1, the method flow diagram of the outer machine on-line testing of the air-cooled cabinet of realization that provides for the embodiment of the invention.This method may further comprise the steps:
Step S10: the outer machine of air-cooled cabinet powers on, and gathers the environment temperature and the complete machine power of the outer machine of described air-cooled cabinet, judges whether the environment bulb and the heat tape of the outer machine of described air-cooled cabinet be normal.
Need to prove, described environment bulb is generally a temperature sensor, can change according to variation self resistance of environment temperature, produces different pressure drops, air-conditioner controller can calculate corresponding temperature value according to this pressure drop, is current environment temperature.
Concrete, after the outer machine of air-cooled cabinet powers on, the environment bulb of the outer machine of described air-cooled cabinet can be gathered the variation of the outer machine environment temperature of living in of air-cooled cabinet, at this moment, gather described environment bulb and obtain ambient temperature value, judge that this ambient temperature value is whether in the outdoor environment temperature scope of reality, if the environment bulb of the outer machine of described air-cooled cabinet is normal; If not, fault has taken place in the environment bulb of the outer machine of then described air-cooled cabinet.
For example, suppose that the outer residing environment temperature of machine of tested air-cooled cabinet is about 23 ℃, the outdoor environment temperature scope of setting described reality is (20 ℃, 26 ℃).If gather the environment bulb this moment, obtaining environment temperature is 21 ℃, illustrates that the environment bulb of the outer machine of this air-cooled cabinet is normal, does not have fault; If gather the environment bulb this moment, obtaining environment temperature is 35 ℃, and so clearly, fault has taken place the environment bulb of the outer machine of this air-cooled cabinet, need change.
In the described method of the embodiment of the invention, among the step S10, power on only for the outer machine of air-cooled cabinet, do not open any parts of the outer machine of described air-cooled cabinet, at this moment, gather the power of the heat tape consumption of the outer machine of described air-cooled cabinet, be the complete machine power of the outer machine of air-cooled cabinet, judge whether described complete machine power is a default normal value, if determine that the heat tape of the outer machine of this air-cooled cabinet is normal; If not, determine that damage has taken place the heat tape of the outer machine of this air-cooled cabinet, need change.
Step S20: start outer blower fan, control described outer blower fan and move to high tap position by low-grade location, the complete machine power when the outer blower fan of collection operates in low-grade location and high tap position respectively judges whether the transforming gear of described outer blower fan is normal.
The described method of the embodiment of the invention, start at air conditioner heat, before the refrigerating operaton, move to high tap position by the outer blower fan of independent control from low-grade location, check the amplitude of variation of complete machine consumed power, judge whether the transforming gear function of described outer blower fan is normal.
After machine powers on outside air-cooled cabinet, start outer blower fan separately; Control outer blower fan and move to high tap position, and gather the amplitude of variation of the complete machine power that consumes when described outer blower fan operates in low-grade location and high tap position respectively, judge according to this amplitude of variation whether the transforming gear of described outer blower fan is normal from low-grade location.
Concrete, described step S20 can may further comprise the steps:
Step S201: start outer blower fan.
Step S202: blower fan operates in low-grade location outside first control constantly, collects the complete machine power P 1 of low-grade location correspondence.
Step S203: after the time period of delaying time, second constantly control described outside blower fan operate in high tap position, collect the complete machine power P 2 of high tap position correspondence.
Step S204: the complete machine power P 1 of more described low-grade location correspondence and the complete machine power P 2 of high tap position correspondence, judge whether the transforming gear of described outer blower fan is normal.
Step S30: start compressor, open four-way valve, control outer blower fan and operate in low-grade location; Delay time after a time period, gather temperature and delivery temperature in the environment temperature, pipe of the outer machine of described air-cooled cabinet, judge respectively whether bulb and gas outlet thermometer bulb be normal in the four-way valve, pipe of the outer machine of described air-cooled cabinet.
Concrete, described step S30 can may further comprise the steps:
Step S301: start compressor, open four-way valve, control outer blower fan and operate in low-grade location.
Step S302: after the time period of delaying time, constantly gather temperature in the environment temperature of machine current described air-cooled cabinet outside and the pipe the 3rd, relatively whether current environmental temperature determines whether described four-way valve commutate normal greater than temperature in the described pipe.
Need to prove that temperature is meant temperature in the pipe of condenser pipe of the outer machine of air-cooled cabinet in the pipe of the outer machine of described air-cooled cabinet.
Among the step S301, control described outer blower fan and operate in low-grade location, be the outer machine of described air-cooled cabinet and operate in the state of heating, at this moment, four-way valve needs to open, and temperature should be lower than current outdoor environment temperature in the pipe of the condenser pipe of the outer machine of described air-cooled cabinet.If four-way valve does not commutate or breaks down, the outer machine of then described air-cooled cabinet can't normally heat, and is in the refrigeration cycle always, and at this moment, temperature should be higher than outdoor environment temperature in the pipe of condenser pipe.
Therefore, collect temperature in the environment temperature of the outer machine of described air-cooled cabinet and the pipe, relatively whether current environmental temperature is greater than temperature in the described pipe, if the four-way valve commutation be described normally; Otherwise, illustrate that the four-way valve of the outer machine of this air-cooled cabinet does not have commutation or this four-way valve that fault has taken place.
Preferably, whether described relatively current environmental temperature determines whether described four-way valve commutation normally can be specially greater than temperature in the described pipe:
Whether the difference of judging temperature in described current environmental temperature and the described pipe is greater than default difference value, if determine that described four-way valve commutation is normal.
Step S303: the 4th constantly, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet, after the time period of delaying time,, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet once more the 5th constantly.
Step S304: temperature in the pipe of temperature and the 5th moment correspondence in the pipe of more described the 4th moment correspondence, judge whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal.
Concrete, judge that temperature in the described the 4th corresponding constantly pipe is whether greater than temperature in the 5th corresponding constantly pipe, if show that the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal; If not, then described pipe temperature bulb may break down.
Step S305: the corresponding constantly delivery temperature of delivery temperature and the 5th that more described the 4th moment is corresponding, judge whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal.
Step S40: stop compressor, close four-way valve, carry out automatic power-down mode conversion.
Step S50: after the time period of delaying time, start compressor once more, control described outer blower fan and operate in high tap position, gather outer blower fan complete machine power.
Preferably, among the step S50, start compressor once more, carry out the refrigeration cycle of a period of time, and every performance index of collection air-conditioning system, can comprise: air-conditioning system pressure, complete machine power, turnover wind-warm syndrome degree etc., and judge whether the every performance index that collect are normal, whether normal with the duty of determining the outer machine of this air-cooled cabinet.
Step S60: stop compressor and outer blower fan, test is finished.
Whether the described method of the embodiment of the invention at first, powers on only for the outer machine of air-cooled cabinet, does not open any parts of the outer machine of air-cooled cabinet, gathers the environment temperature and the complete machine power of the outer machine of air-cooled cabinet, normal with environment bulb and the heat tape of determining the outer machine of this air-cooled cabinet; Then, start outer blower fan, control described outer blower fan and move to high tap position by low-grade location, whether normal with the transforming gear of judging outer blower fan; Then, start compressor, open four-way valve, control the outer machine of air-cooled cabinet and carry out the circulation that heats of a period of time, determine whether normal bulb and gas outlet have enough to eat and wear in the four-way valve commutation, pipe of the outer machine of described air-cooled cabinet; Then, stop compressor, close four-way valve, carry out the power-down mode conversion; Start compressor once more, carry out the refrigeration cycle of a period of time, and gather every performance index of air-conditioning system, normal to determine whether; Finally, stop compressor and outer blower fan, finish the on-line testing of the outer machine of air-cooled cabinet.
The described method of the embodiment of the invention, compared with prior art, its testing process is reasonable, testing efficiency is high, the accuracy height of test, and the performance index of the air-conditioning system of test are more comprehensive.Therefore, the method for the invention can realize the on-line testing of the outer machine performance index of air-cooled cabinet fast, comprehensively and accurately.
Preferably, the method for the invention can further include:
In step S10 to S60, every test data of the outer machine of the described air-cooled cabinet that collects is exported in real time, is shown and stores.
Concrete, test data for every performance index of the outer machine of all air-cooled cabinets that collect in the abovementioned steps, temperature etc. in complete machine power, environment temperature, the pipe for example, export in real time, and can be shown to the tester by a display device, so that the tester can carry out real-time follow-up and monitoring to the running status of air-conditioning system.Thus, can realize the real-time analysis of tester to the outer machine on-line testing of air-cooled cabinet, make the tester can find in time whether the outer machine of air-cooled cabinet breaks down, and in time got rid of, help saving the test duration and improve the accuracy of the outer machine test of air-cooled cabinet, improve the complete machine quality of air-conditioning.
Simultaneously, the every test data that produces during to the machine on-line testing outward of air-cooled cabinet is stored, when machine breaks down after sale outside air-cooled cabinet, and the test data in the time of can obtaining the machine on-line testing outward of this air-cooled cabinet by inquiry, help fault analysis, improve the supportability after sale of air-conditioning.
Describe the described method of the embodiment of the invention in detail below by a concrete example.Concrete, as shown in table 1, be the flow table of the described method example of the embodiment of the invention.Wherein:
In " image data " hurdle of table 1, " " expression is gathered, and the expression of leaving a blank is not gathered.
In " controlling object " hurdle of table 1, " 1 " expression " RUN ", " 0 " expression " stops ", and "-" expression is kept the rapid action of previous step and is not changed.
In " controlling object " subordinate " outer blower fan " hurdle of table 1, " 9 " expression " top grade ", " 2 " expression " is kept out ", and " 0 " expression " is closed "; In " inner blower " hurdle, " 3 " expression " top grade ", " 2 " expression is middle-grade, and " 1 " expression " is kept out ", and " 0 " expression is closed.
Need to prove, in the described method of the embodiment of the invention, very do not pay close attention to the state of inner blower.
The flow process of the method for on-line testing shown in the table 1 is:
At 0s constantly, the outer machine of described tested air-cooled cabinet resets according to inherent logic and finishes, and the outer machine of tested air-cooled cabinet powers on, and starts described on-line testing method flow.
At 5s constantly, gather the environment temperature of the outer machine of described air-cooled cabinet, judge whether the environment bulb of the outer machine of described air-cooled cabinet is normal.
At 15s constantly, gather the complete machine power of the outer machine of described air-cooled cabinet, judge whether the heat tape of the outer machine of described air-cooled cabinet is normal; At 20s constantly, start outer blower fan, control described outer blower fan and operate in low-grade location, and gather the complete machine power in this moment.
At 30s constantly, control described outer blower fan and operate in high tap position, and gather the complete machine power in this moment; At the 15s moment and 20s complete machine power constantly, judge whether the transforming gear of described outer blower fan is normal by more described outer blower fan.
At 40s constantly, start compressor, open four-way valve, control outer blower fan and operate in low-grade location.
At 180s constantly, gather temperature in the environment temperature of the outer machine of described air-cooled cabinet and the pipe, relatively whether current environmental temperature determines whether described four-way valve commutation normal greater than temperature in the described pipe.
At 190s constantly, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet.
At 195s constantly, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet once more; Temperature in the pipe that temperature and 195s are corresponding constantly in the pipe of more described 190s moment correspondence judges whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal; The delivery temperature that delivery temperature that more described 190s is corresponding constantly and 195s are corresponding constantly judges whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal.
At 210s constantly, stop compressor, close four-way valve, carry out automatic power-down mode conversion.
At 240s constantly, start compressor once more, control described outer blower fan and operate in high tap position, gather outer blower fan complete machine power.
At 380s constantly, gather the electrical quantity of the outer machine of tested air-cooled cabinet, comprise complete machine electric current and complete machine power.
At 420s constantly, stop compressor and outer blower fan, test is finished.
Table 1: the flow table of the described method example of the embodiment of the invention
The method of the outer machine on-line testing of the air-cooled cabinet of realization that provides corresponding to the embodiment of the invention, the embodiment of the invention also provide a kind of system that realizes the outer machine on-line testing of air-cooled cabinet.With reference to shown in Figure 2, the system construction drawing of the outer machine on-line testing of the air-cooled cabinet of realization that provides for the embodiment of the invention.
As shown in Figure 2, described system comprises: industrial computer 11 and proving installation 12.Between described industrial computer 11 and the proving installation 12, link to each other by communication line respectively between the outer machine 2 of described proving installation 12 and tested air-cooled cabinet.
Described proving installation 12 comprises: controller 121, interface unit 122, instruction converting unit 123, communication interface 124, image data receiving element 125.
Wherein, described controller 121 receives the test instruction that described industrial computer 11 sends by communication interface 124, and this test instruction is sent to instruction converting unit 123; Described instruction converting unit 123 is converted to the tested air-cooled cabinet control command of machine 2 outward with described test instruction, transfers to the outer machine 2 of described tested air-cooled cabinet by described interface unit 122.
After the outer machine 2 of described tested air-cooled cabinet receives described control command, carry out corresponding test action according to described control command, for example: outer blower fan starts or stops, compressor start or stop, four-way valve switching etc.
Need to prove that described interface unit 122 comprises several interfaces, each parts with the outer machine 2 of described tested air-cooled cabinet are corresponding one by one respectively.As shown in Figure 2, described interface unit 122 can but be not limited to comprise: four-way valve interface, compressor interface, outer blower fan interface, gas bypass interface, liquid bypass interface, unloading valve interface, electric expansion valve interface etc.
When test, with each interface of described proving installation 12 respectively with the outer machine 2 of tested air-cooled cabinet on corresponding components dock one by one, for example: the four-way valve interface is connect the four-way valve of the outer machine 2 of described tested air-cooled cabinet, the compressor interface connect the compressor of the outer machine 2 of described tested air-cooled cabinet etc.By each interface, just can carry out corresponding test action according to each parts that described control command is controlled the outer machine 2 of tested air-cooled cabinet.
Preferably, the quantity of the interface that comprises in this interface unit 122 is not limited to shown in Fig. 2, can specifically be provided with according to the needs of reality test, for example can be according in the actual test process, and the quantity of the parts of machine 2 is provided with outside the tested air-cooled cabinet that needs to control.
In test process, the data acquisition unit that the outer machine 2 of described tested air-cooled cabinet has can collect the real-time testing data of the outer machine 2 of this air-cooled cabinet in real time.
The data acquisition unit that the outer machine 2 of described tested air-cooled cabinet comprises can but be not limited to comprise: the environment bulb is used to gather environment temperature; The exhaust bulb is used to gather delivery temperature; Manage warm bulb, be used for the collection tube temperature; High pressure sensor is used for acquisition system pressure; The electrical quantity Acquisition Instrument is used for complete machine power of gathering in real time by the outer machine of air-cooled cabinet or the like.
Described controller 121 receives the various real-time testing data that the data acquisition unit of the outer machine 2 of described tested air-cooled cabinet collects by described image data receiving element 125, and described real-time testing data are back to described industrial computer 11.
Need to prove that described image data receiving element 125 can comprise that several receive subelement, each data acquisition unit with the outer machine 2 of described tested air-cooled cabinet is corresponding one by one respectively.As shown in Figure 2, described image data receiving element 125 can but be not limited to comprise: high pressure sensor receives subelement, exhaust bulb and receives subelement, high voltage protective and receive subelement, environment bulb and receive subelement, the warm bulb of pipe and receive that subelement, overcurrent protection receive subelement, low pressure sensor receives subelement etc.
When test, with described proving installation 12 respectively receive subelement respectively with the outer machine 2 of tested air-cooled cabinet on corresponding data acquisition unit dock one by one, for example: the environment bulb is received environment bulb that subelement connects the outer machine 2 of described tested air-cooled cabinet, described exhaust bulb is received the exhaust bulb etc. that subelement connects machine 2 outside the described tested air-cooled cabinet.Receive subelement by each, just can receive the described tested air-cooled cabinet real-time testing data that collect of each data acquisition unit of machine 2 outward.
Preferably, the quantity of the reception subelement that comprises in this image data receiving element 125 is not limited to shown in Fig. 2, can specifically be provided with according to the needs of reality test, for example can be according in the actual test process, the quantity of the test data of the data acquisition unit collection of the outer machine 2 of the tested air-cooled cabinet that need receive is provided with.
Described industrial computer 11 is used to send test instruction to described proving installation 12; And receive the real-time testing data that described proving installation 12 returns, determine according to described real-time testing data whether the outer machine 2 of described tested air-cooled cabinet breaks down.
Concrete, described industrial computer 11 can comprise: first test cell 111, second test cell 112, the 3rd test cell 113, the 4th test cell 114, the 5th test cell 115, the 6th test cell 116.
Described first test cell 111 is used to send the instruction that the outer machine of air-cooled cabinet powers on; And receive the environment temperature of the outer machine of described air-cooled cabinet that described proving installation 12 returns and the real-time testing data of complete machine power, and judge whether the environment bulb and the heat tape of the outer machine of described air-cooled cabinet be normal, trigger second test cell 112.
Described second test cell 112 is used to send the outer blower fan of startup, controls described outer blower fan is moved to high tap position by low-grade location instruction; And the real-time testing data of the complete machine power when receiving outer blower fan that described proving installation 12 returns and operating in low-grade location and high tap position, judge whether the transforming gear of described outer blower fan is normal, trigger the 3rd test cell 113.
Described the 3rd test cell 113, the instruction that be used to send the startup compressor, open four-way valve, the described outer blower fan of control operates in low-grade location; And after the time period of delaying time, receive the real-time testing data of temperature and delivery temperature in the environment temperature, pipe of the outer machine of described air-cooled cabinet that described proving installation 12 returns, judge respectively whether bulb and gas outlet thermometer bulb be normal in the four-way valve, pipe of the outer machine of described air-cooled cabinet, triggers the 4th test cell 114.
Described the 4th test cell 114 is used to send the instruction that stops compressor, closes four-way valve, carries out the power-down mode conversion, triggers the 5th test cell 115.
Described the 5th test cell 115, be used to delay time after a time period, send to start the instruction that compressor, the described outer blower fan of control operate in high tap position once more, receive the real-time testing data of the outer blower fan complete machine power that described proving installation 12 returns, trigger the 6th test cell 116.
Described the 6th test cell 116 is used to send the instruction that stops compressor and outer blower fan.
Preferably, in the described system of the embodiment of the invention, described second test cell 112 can comprise: the 21 subelement, the two or two subelement, the two or three subelement, the two or four subelement, the two or five subelement.
Described the 21 subelement is used to send the instruction that starts outer blower fan, triggers the two or two subelement.
Described the two or two subelement, be used for first constantly send control described outside blower fan operate in the instruction of low-grade location, receive the complete machine power of the low-grade location correspondence that described proving installation returns, trigger the two or three subelement.
Described the two or three subelement, after the time period that is used to delay time, second constantly send control described outside blower fan operate in the instruction of high tap position, receive the complete machine power of the high tap position correspondence that described proving installation returns, trigger the two or four subelement;
Described the two or four subelement is used for the complete machine power of more described low-grade location correspondence and the complete machine power of high tap position correspondence, judges whether the transforming gear of described outer blower fan is normal.
Described the two or five subelement is used to trigger described the 3rd test cell.
Preferably, described the 3rd test cell 113 can comprise: the 31 subelement, the three or two subelement, the three or three subelement, the three or four subelement, the three or five subelement, the three or six subelement.
Described the 31 subelement is used for sending the startup compressor, opens four-way valve, controls the instruction that outer blower fan operates in low-grade location, triggers the three or two subelement.
Described the three or two subelement, be used to delay time after a time period, constantly receive temperature in the environment temperature of machine outside the current described air-cooled cabinet that described proving installation returns and the pipe the 3rd, relatively whether current environmental temperature is greater than temperature in the described pipe, determine whether described four-way valve commutation is normal, triggers the three or three subelement.
Described the three or three subelement, be used for constantly the 4th, receive temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet that described proving installation returns, delay time after a time period, the 5th constantly, receive temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet that described proving installation returns once more, trigger the three or four subelement.
Described the three or four subelement is used for temperature in the corresponding constantly pipe of corresponding pipe temperature and the 5th of more described the 4th moment, judges whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal, triggers the three or five subelement.
Described the three or five subelement is used for the more described the 4th corresponding constantly corresponding constantly delivery temperature of delivery temperature and the 5th, judges whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal, triggers the three or six subelement.
Described the three or six subelement is used to trigger described the 4th test cell.
The described system of the embodiment of the invention realizes being connected between the outer machine 2 of tested air-cooled cabinet and the industrial computer 11 by described proving installation 12.The controller 121 of described proving installation 12 receives the test instruction that described industrial computer 11 sends by communication interface 124, this test instruction is converted to the tested air-cooled cabinet control command of machine 2 outward by instruction converting unit 123, transfers to the outer machine 2 of described tested air-cooled cabinet by described interface unit 122; Simultaneously, receive the various real-time testing data that the data acquisition unit of the outer machine 2 of described tested air-cooled cabinet collects, and described real-time testing data are back to described industrial computer 11 so that carry out fault judgement by described image data receiving element 125.
The described system of the embodiment of the invention, by proving installation 12 the outer machine 2 of tested air-cooled cabinet is linked to each other with industrial computer 11, realize the automatic on-line of the outer machine 2 of tested air-cooled cabinet is tested by industrial computer 11, compare with the method for available technology adopting manual detection, the labour intensity of test macro of the present invention is low, test speed is fast, testing efficiency is high, simultaneously, because this test macro is subjected to artificial factor less, make False Rate low, test accuracy is higher.On the other hand, the described test macro of the embodiment of the invention, compared with prior art, its testing process is reasonable, testing efficiency is high, the accuracy height of test, and the performance index of the air-conditioning system of test are more comprehensive.
Therefore, system of the present invention can realize the on-line testing of the outer machine performance index of air-cooled cabinet fast, comprehensively and accurately.
Preferably, described industrial computer 11 can also comprise display unit, is used for showing the described real-time testing data of output, so that the tester carries out real-time follow-up and monitoring to test process.
Thus, can realize the real-time analysis of tester to the outer machine on-line testing of air-cooled cabinet, make the tester can find in time whether the outer machine of air-cooled cabinet breaks down, and in time got rid of, help saving the test duration and improve the accuracy of the outer machine test of air-cooled cabinet, improve the complete machine quality of air-conditioning.
Preferably, described industrial computer 11 can also comprise data storage cell, is used to store described test data.
When machine broke down after sale outside air-cooled cabinet, the test data in the time of can obtaining the machine on-line testing outward of this air-cooled cabinet by inquiry helped fault analysis, improves the supportability after sale of air-conditioning.
More than to a kind of method and system that realize the outer machine on-line testing of air-cooled cabinet provided by the present invention, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, part in specific embodiments and applications all can change.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a method that realizes the outer machine on-line testing of air-cooled cabinet is characterized in that, said method comprising the steps of:
Step 1: the outer machine of air-cooled cabinet powers on, and gathers the environment temperature and the complete machine power of the outer machine of described air-cooled cabinet, judges whether the environment bulb and the heat tape of the outer machine of described air-cooled cabinet be normal;
Step 2: start outer blower fan, control described outer blower fan and move to high tap position by low-grade location, the complete machine power when the outer blower fan of collection operates in low-grade location and high tap position respectively judges whether the transforming gear of described outer blower fan is normal;
Step 3: start compressor, open four-way valve, control described outer blower fan and operate in low-grade location; Delay time after a time period, gather temperature and delivery temperature in the environment temperature, pipe of the outer machine of described air-cooled cabinet, judge respectively whether bulb and gas outlet thermometer bulb be normal in the four-way valve, pipe of the outer machine of described air-cooled cabinet;
Step 4: stop compressor, close four-way valve, carry out the power-down mode conversion;
Step 5: after the time period of delaying time, start compressor once more, control described outer blower fan and operate in high tap position, gather outer blower fan complete machine power;
Step 6: stop compressor and outer blower fan, test is finished.
2. method according to claim 1 is characterized in that, described step 2 may further comprise the steps:
Step 21: start outer blower fan;
Step 22: first constantly control described outside blower fan operate in low-grade location, collect the complete machine power of low-grade location correspondence;
Step 23: after the time period of delaying time, second constantly control described outside blower fan operate in high tap position, collect the complete machine power of high tap position correspondence;
Step 24: the complete machine power of more described low-grade location correspondence and the complete machine power of high tap position correspondence, judge whether the transforming gear of described outer blower fan is normal.
3. method according to claim 1 is characterized in that, described step 3 may further comprise the steps:
Step 31: start compressor, open four-way valve, control outer blower fan and operate in low-grade location;
Step 32: after the time period of delaying time, constantly gather temperature in the environment temperature of machine current described air-cooled cabinet outside and the pipe the 3rd, relatively whether current environmental temperature determines whether described four-way valve commutate normal greater than temperature in the described pipe;
Step 33: the 4th constantly, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet, after the time period of delaying time,, gather temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet once more the 5th constantly;
Step 34: temperature in the pipe of temperature and the 5th moment correspondence in the pipe of more described the 4th moment correspondence, judge whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal;
Step 35: the corresponding constantly delivery temperature of delivery temperature and the 5th that more described the 4th moment is corresponding, judge whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal.
4. according to each described method of claim 1 to 3, it is characterized in that described method also comprises:
In 6, every test data of the outer machine of the described air-cooled cabinet that collects is exported in real time, is shown and stores to step 1.
5. a system that realizes the outer machine on-line testing of air-cooled cabinet is characterized in that described system comprises: industrial computer and proving installation; Between described industrial computer and the proving installation, link to each other by communication line respectively between the outer machine of described proving installation and tested air-cooled cabinet;
Described proving installation comprises: controller receives the test instruction that described industrial computer sends by communication interface, and described test instruction is sent to instruction converting unit, by instruction converting unit described test instruction is converted to the tested air-cooled cabinet control command of machine outward, transfers to the outer machine of described tested air-cooled cabinet by interface unit; Controller receives the various real-time testing data that the data acquisition unit of the outer machine of described tested air-cooled cabinet collects by the image data receiving element, and described real-time testing data are back to described industrial computer;
Described industrial computer is used to send test instruction to described proving installation; And receive the real-time testing data that described proving installation returns, determine according to described real-time testing data whether the outer machine of described tested air-cooled cabinet breaks down;
Described industrial computer comprises:
First test cell is used to send the instruction that the outer machine of air-cooled cabinet powers on; And receive the environment temperature of the outer machine of described air-cooled cabinet that described proving installation returns and the real-time testing data of complete machine power, and judge whether the environment bulb and the heat tape of the outer machine of described air-cooled cabinet be normal, trigger second test cell;
Described second test cell is used to send the outer blower fan of startup, controls described outer blower fan is moved to high tap position by low-grade location instruction; And the real-time testing data of the complete machine power when receiving outer blower fan that described proving installation returns and operating in low-grade location and high tap position, judge whether the transforming gear of described outer blower fan is normal, trigger the 3rd test cell;
Described the 3rd test cell, the instruction that be used to send the startup compressor, open four-way valve, the described outer blower fan of control operates in low-grade location; And after the time period of delaying time, receive the real-time testing data of temperature and delivery temperature in the environment temperature, pipe of the outer machine of described air-cooled cabinet that described proving installation returns, judge respectively whether bulb and gas outlet thermometer bulb be normal in the four-way valve, pipe of the outer machine of described air-cooled cabinet, triggers the 4th test cell;
Described the 4th test cell is used to send the instruction that stops compressor, closes four-way valve, carries out the power-down mode conversion, triggers the 5th test cell;
Described the 5th test cell after the time period that is used to delay time, send to start the instruction that compressor, the described outer blower fan of control operate in high tap position once more, receives the real-time testing data of the outer blower fan complete machine power that described proving installation returns, and triggers the 6th test cell;
Described the 6th test cell: be used to send the instruction that stops compressor and outer blower fan.
6. the system of the outer machine on-line testing of the air-cooled cabinet of realization according to claim 5 is characterized in that described second test cell comprises:
The 21 subelement is used to send the instruction that starts outer blower fan, triggers the two or two subelement;
Described the two or two subelement, be used for first constantly send control described outside blower fan operate in the instruction of low-grade location, receive the complete machine power of the low-grade location correspondence that described proving installation returns, trigger the two or three subelement;
Described the two or three subelement, after the time period that is used to delay time, second constantly send control described outside blower fan operate in the instruction of high tap position, receive the complete machine power of the high tap position correspondence that described proving installation returns, trigger the two or four subelement;
Described the two or four subelement is used for the complete machine power of more described low-grade location correspondence and the complete machine power of high tap position correspondence, judges whether the transforming gear of described outer blower fan is normal;
Described the two or five subelement is used to trigger described the 3rd test cell.
7. the system of the outer machine on-line testing of the air-cooled cabinet of realization according to claim 5 is characterized in that described the 3rd test cell comprises:
The 31 subelement is used for sending the startup compressor, opens four-way valve, controls the instruction that outer blower fan operates in low-grade location, triggers the three or two subelement;
Described the three or two subelement, be used to delay time after a time period, constantly receive temperature in the environment temperature of machine outside the current described air-cooled cabinet that described proving installation returns and the pipe the 3rd, relatively whether current environmental temperature is greater than temperature in the described pipe, determine whether described four-way valve commutation is normal, triggers the three or three subelement;
Described the three or three subelement, be used for constantly the 4th, receive temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet that described proving installation returns, delay time after a time period, the 5th constantly, receive temperature and delivery temperature in the pipe of the outer machine of described air-cooled cabinet that described proving installation returns once more, trigger the three or four subelement;
Described the three or four subelement is used for temperature in the corresponding constantly pipe of corresponding pipe temperature and the 5th of more described the 4th moment, judges whether the pipe temperature bulb of the outer machine of described air-cooled cabinet is normal, triggers the three or five subelement;
Described the three or five subelement is used for the more described the 4th corresponding constantly corresponding constantly delivery temperature of delivery temperature and the 5th, judges whether the exhaust bulb of the outer machine of described air-cooled cabinet is normal, triggers the three or six subelement;
Described the three or six subelement is used to trigger described the 4th test cell.
8. according to the system of the outer machine on-line testing of the air-cooled cabinet of each described realization of claim 5 to 7, it is characterized in that described industrial computer also comprises display unit and data storage cell;
Described display unit is used to the real-time testing data that show that the described proving installation of output returns;
Described data storage cell is used to store described test data.
9. according to the system of the outer machine on-line testing of the air-cooled cabinet of each described realization of claim 5 to 7, it is characterized in that described interface unit comprises several interfaces, each parts with the outer machine of described tested air-cooled cabinet are corresponding one by one respectively.
10. according to the system of the outer machine on-line testing of the air-cooled cabinet of each described realization of claim 5 to 7, it is characterized in that, described image data receiving element comprises that several receive subelement, and each data acquisition unit with the outer machine of described tested air-cooled cabinet is corresponding one by one respectively.
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| CN2011100805971A CN102230850B (en) | 2011-03-31 | 2011-03-31 | Method and system for on-line test on outer machine of wind-cooling freezer |
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