CN104568301A - Method and device for detecting equipment vacuum degree - Google Patents
Method and device for detecting equipment vacuum degree Download PDFInfo
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- CN104568301A CN104568301A CN201410820161.5A CN201410820161A CN104568301A CN 104568301 A CN104568301 A CN 104568301A CN 201410820161 A CN201410820161 A CN 201410820161A CN 104568301 A CN104568301 A CN 104568301A
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Abstract
The invention discloses a method and a device for detecting the equipment vacuum degree. The method comprises the following steps: a vacuum gauge is controlled to evacuate detected equipment after connected with the detected equipment; a first vacuum degree value is acquired when the evacuation time reaches first preset time; whether the first vacuum degree value is smaller than or equal to a first preset threshold value is detected; if the first vacuum degree value of the detected equipment is larger than the first preset threshold value, the detected vacuum degree value of the detected equipment is unqualified; and if the first vacuum degree value of the detected equipment is smaller than or equal to the first preset threshold value, the detected vacuum degree value of the detected equipment is qualified. With adoption of the method and the device, the problems that the system vacuum degree cannot be measured and the measurement efficiency is low in the prior art are solved, and the accuracy and the detection efficiency of the detection result are improved.
Description
Technical field
The present invention relates to equipment control field, in particular to a kind of method and apparatus of checkout equipment vacuum tightness.
Background technology
At present, the sorts of systems such as air-conditioning need to detect the vacuum tightness of production environment in process of production, producer usually adopts and is detected by manual method, is namely detected the evacuated of system in setting-up time by simple vacuum meter, judges that whether vacuum tightness is qualified with this.
Below in conjunction with Fig. 1, the method is described in detail:
Step S102: manually start vacuum meter button and start stopwatch and timing is carried out to evacuated time.
Step S104: when evacuated time reaches the schedule time, manually checks the numerical value of vacuum meter.
Step S106: judge whether the data of the vacuum meter viewed are less than or equal to predetermined threshold value.
Particularly, can judge that whether vacuum meter is qualified by this step.Wherein, if the data of the vacuum meter viewed are less than predetermined threshold value, then judge that vacuum tightness is qualified, perform step S108; If the data of the vacuum meter viewed are greater than predetermined threshold value, then judge that vacuum tightness is defective, perform step S110.
Step S108: control green light.
Step S110: control when red.
Step S112: the conclusion button manually starting vacuum meter, and stop timing.
In vacuum degree measurement in the prior art, depend on manual hand manipulation and subjective judgement, cannot accurately timing, and the button of manual control vacuum meter, also can there is certain error, thus cannot measure accurately system vacuum, and it is low to measure efficiency.
For in prior art, the problem measuring inefficiency is carried out to the vacuum tightness of system, not yet propose effective solution at present.
Summary of the invention
Fundamental purpose of the present invention is the method and apparatus providing a kind of checkout equipment vacuum tightness, carries out measuring the problem of inefficiency to solve to the vacuum tightness of system.
To achieve these goals, according to an aspect of the embodiment of the present invention, provide a kind of method of checkout equipment vacuum tightness, the method comprises: after determining that vacuum meter is connected with equipment under test, controls vacuum meter and carries out evacuation processes to equipment under test; When the time of evacuation processes reaches the first Preset Time, obtain the first vacuum degree of equipment under test; Detect the first vacuum degree and whether be less than or equal to the first predetermined threshold value; If the first vacuum degree of equipment under test is greater than the first predetermined threshold value, then detect that equipment under test vacuum tightness is defective; If the first vacuum degree of equipment under test is less than or equal to the first predetermined threshold value, then detect that equipment under test vacuum tightness is qualified.
Further, before control vacuum meter carries out evacuation processes to equipment under test, method also comprises: start vacuum meter; Vacuum meter is used to read the initial vacuum angle value of equipment under test; Detect initial vacuum angle value and whether be less than or equal to the second predetermined threshold value; If initial vacuum angle value is less than or equal to the second predetermined threshold value, then detect that vacuum meter is not connected with equipment under test, after the Preset Time of interval second, return the initial vacuum angle value performing and read equipment under test; If initial vacuum angle value is greater than the second predetermined threshold value, then after the Preset Time of interval second, read the second vacuum degree of equipment under test; Judge whether the second vacuum degree is less than or equal to the 3rd predetermined threshold value; If the second vacuum degree is less than or equal to the 3rd predetermined threshold value, then after the Preset Time of interval second, return the initial vacuum angle value performing and read equipment under test; If the second vacuum degree is greater than the 3rd predetermined threshold value, then judge that vacuum meter is connected with equipment under test.
Further, after the Preset Time of interval second, before returning the initial vacuum angle value performing and read equipment under test, method also comprises: reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the first color is bright; After judging that vacuum meter is connected with equipment under test, method also comprises: reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the second color is bright.
Further, after whether detection first vacuum degree is less than or equal to the first predetermined threshold value, method also comprises: if detect, the first vacuum degree of equipment under test is less than or equal to the first predetermined threshold value, then the timer of vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright; If detect, the first vacuum degree of equipment under test is greater than the first predetermined threshold value, then reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the 3rd color is bright.
Further, after whether detection first vacuum degree is less than or equal to the first predetermined threshold value, method also comprises: after the Preset Time of interval the 3rd, returns the initial vacuum angle value performing and use vacuum meter to read equipment under test.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of device of checkout equipment vacuum tightness, this device comprises: the first control module, for after determining that vacuum meter is connected with equipment under test, control vacuum meter and evacuation processes is carried out to equipment under test; Acquisition module, for when the time of evacuation processes reaches the first Preset Time, obtains the first vacuum degree of equipment under test; Whether first detection module, be less than or equal to the first predetermined threshold value for detecting the first vacuum degree; First determination module, if be greater than the first predetermined threshold value for the first vacuum degree of equipment under test, then detects that equipment under test vacuum tightness is defective; Second determination module, if be less than or equal to the first predetermined threshold value for the first vacuum degree of equipment under test, then detects that equipment under test vacuum tightness is qualified.
Further, device also comprises: start module, before carrying out evacuation processes at control vacuum meter to equipment under test, starts vacuum meter; First read module, for the initial vacuum angle value using vacuum meter to read equipment under test; Whether the second monitoring modular, be less than or equal to the second predetermined threshold value for detecting initial vacuum angle value; First execution module, if be less than or equal to the second predetermined threshold value for initial vacuum angle value, then detects that vacuum meter is not connected with equipment under test, after the Preset Time of interval second, returns the initial vacuum angle value performing and read equipment under test; Second read module, if be greater than the second predetermined threshold value for initial vacuum angle value, then after the Preset Time of interval second, reads the second vacuum degree of equipment under test; First judge module, for judging whether the second vacuum degree is less than or equal to the 3rd predetermined threshold value; Second execution module, if be less than or equal to the 3rd predetermined threshold value for the second vacuum degree, then after the Preset Time of interval second, returns the initial vacuum angle value performing and read equipment under test; 3rd determination module, if be greater than the 3rd predetermined threshold value for the second vacuum degree, then judges that vacuum meter is connected with equipment under test.
Further, device also comprises: the first control module, for after the Preset Time of interval second, before returning the initial vacuum angle value performing and read equipment under test, reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the first color is bright; Second control module, for after judging that vacuum meter is connected with equipment under test, reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the second color is bright.
Further, device also comprises: the 3rd control module, after whether being less than or equal to the first predetermined threshold value at detection first vacuum degree, if detect, the first vacuum degree of equipment under test is less than or equal to the first predetermined threshold value, then the timer of vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright; 4th control module, if for detecting that the first vacuum degree of equipment under test is greater than the first predetermined threshold value, then reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the 3rd color is bright.
Further, device also comprises: the 3rd execution module, after whether being less than or equal to the first predetermined threshold value at detection first vacuum degree, after the Preset Time of interval the 3rd, returns the initial vacuum angle value performing and use vacuum meter to read equipment under test.
Adopt the present invention, before detection equipment under test being carried out to vacuum tightness, automatically the connection status of vacuum meter and equipment under test can be detected, after determining that vacuum meter has been connected with equipment under test, control vacuum meter and in the given time evacuation processes is carried out to equipment, then the vacuum degree of equipment under test is detected, whether qualified according to the vacuum tightness of the vacuum degree automatic decision equipment under test recorded.In the above-described embodiments, automatically the state vacuumized residing for equipment under test can be identified, without the need to inputting instruction manually, and can to pumpdown time self-clocking, avoid the inaccurate problem of manually pinching stopwatch and occurring, and the process of whole detection is compact, detection efficiency is improved.Adopt the present invention, solve in prior art and cannot carry out Measurement accuracy to system vacuum and the problem measuring inefficiency, the correctness of testing result and detection efficiency are improved.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the method for detection vacuum tightness according to prior art;
Fig. 2 is the process flow diagram of the method for checkout equipment vacuum tightness according to the embodiment of the present invention;
Fig. 3 is the process flow diagram of the method for a kind of optional checkout equipment vacuum tightness according to the embodiment of the present invention; And
Fig. 4 is the schematic diagram of the equipment of checkout equipment vacuum tightness according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in instructions of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that embodiments of the invention described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiments provide a kind of method of checkout equipment vacuum tightness.
Fig. 2 is the process flow diagram of the method for a kind of checkout equipment vacuum tightness according to the embodiment of the present invention.As shown in Figure 2, it is as follows that the method comprising the steps of:
Step S202, after determining that vacuum meter is connected with equipment under test, controls vacuum meter and carries out evacuation processes to equipment under test.
Step S204, when the time of evacuation processes reaches the first Preset Time, obtains the first vacuum degree of equipment under test.
Step S206, detects the first vacuum degree and whether is less than or equal to the first predetermined threshold value.
Step S208, if the first vacuum degree of equipment under test is greater than the first predetermined threshold value, then detects that equipment under test vacuum tightness is defective.
Step S210, if the first vacuum degree of equipment under test is less than or equal to the first predetermined threshold value, then detects that equipment under test vacuum tightness is qualified.
Adopt the present invention, before detection equipment under test being carried out to vacuum tightness, automatically the connection status of vacuum meter and equipment under test can be detected, after determining that vacuum meter has been connected with equipment under test, control vacuum meter and in the given time evacuation processes is carried out to equipment, then the vacuum degree of equipment under test is detected, whether qualified according to the vacuum tightness of the vacuum degree automatic decision equipment under test recorded.In the above-described embodiments, automatically the state vacuumized residing for equipment under test can be identified, without the need to inputting instruction manually, and can to pumpdown time self-clocking, avoid the inaccurate problem of manually pinching stopwatch and occurring, and the process of whole detection is compact, detection efficiency is improved.Adopt the present invention, solve in prior art and cannot carry out Measurement accuracy to system vacuum and the problem measuring inefficiency, the correctness of testing result and detection efficiency are improved.
In the above embodiment of the present invention, before control vacuum meter carries out evacuation processes to equipment under test, method can also comprise: start vacuum meter; Vacuum meter is used to read the initial vacuum angle value of equipment under test; Detect initial vacuum angle value and whether be less than or equal to the second predetermined threshold value; If initial vacuum angle value is less than or equal to the second predetermined threshold value, then detect that vacuum meter is not connected with equipment under test, after the Preset Time of interval second, return the initial vacuum angle value performing and read equipment under test; If initial vacuum angle value is greater than the second predetermined threshold value, then after the Preset Time of interval second, read the second vacuum degree of equipment under test; Judge whether the second vacuum degree is less than or equal to the 3rd predetermined threshold value; If the second vacuum degree is less than or equal to the 3rd predetermined threshold value, then after the Preset Time of interval second, return the initial vacuum angle value performing and read equipment under test; If the second vacuum degree is greater than the 3rd predetermined threshold value, then judge that vacuum meter is connected with equipment under test.
According to the abovementioned embodiments of the present invention, after the Preset Time of interval second, before returning the initial vacuum angle value performing and read equipment under test, method can also comprise: reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the first color is bright; After judging that vacuum meter is connected with equipment under test, method also comprises: reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the second color is bright.
Further, after whether detection first vacuum degree is less than or equal to the first predetermined threshold value, method can also comprise: if detect, the first vacuum degree of equipment under test is less than or equal to the first predetermined threshold value, then the timer of vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright; If detect, the first vacuum degree of equipment under test is greater than the first predetermined threshold value, then reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the 3rd color is bright.
Particularly, after whether detection first vacuum degree is less than or equal to the first predetermined threshold value, method also comprises: after the Preset Time of interval the 3rd, returns the initial vacuum angle value performing and use vacuum meter to read equipment under test.
State on the invention in embodiment, the pilot lamp controlling different colours when there is different testing results is bright, reaches the effect obtaining vacuum degree measurement result directly perceived.
Below in conjunction with Fig. 3 in detail the above embodiment of the present invention is described in detail, Fig. 3 is the process flow diagram of the method according to the preferred a kind of checkout equipment vacuum tightness of the embodiment of the present invention.As shown in Figure 3, the above embodiment of the present invention can realize by the following method:
Step S301: the initial vacuum angle value reading vacuum meter.
Step S302: judge whether initial vacuum angle value is less than or equal to the second predetermined threshold value.
If initial vacuum angle value is less than or equal to the second predetermined threshold value, then perform step S303; If initial vacuum angle value is greater than the second predetermined threshold value, then perform step S304.
Step S303: timer resets and reclocking, and the pilot lamp controlling the first color is bright.
Wherein, the pilot lamp of the second color can be green pilot lamp.
Step S304: during by timer, determines the second Preset Time.
Step S305: the second vacuum degree reading vacuum meter.
Step S306: detect the second vacuum degree and whether be less than or equal to the 3rd predetermined threshold value.
If the second vacuum degree is less than or equal to the 3rd predetermined threshold value, then perform step S303; If the second vacuum degree is greater than the 3rd predetermined threshold value, then perform step S307.
Step S307: after the Preset Time of interval second, returns to perform and reads initial vacuum angle value.
Can after the vacuum degree measurement of system starts automatically by above-mentioned steps, self-inspection can be carried out to evacuation system, initial depression numerical value is read by vacuum meter, and judge the connection of equipment under test (system workpiece) and vacuum meter and sealing state (connect intact as workpiece or connect without workpiece, workpiece has leakage etc.) by vacuum tightness decision content (XPa, the first predetermined threshold value namely in above-described embodiment) in advance.Alternatively, the first predetermined threshold value can be 40Pa.
Particularly, vacuum meter reads initial vacuum angle value, if numerical value≤40Pa, then now system may not connect workpiece to be found time, then also need to make a decision further, then vacuum meter display green light start timing and enter next cycle criterion; If the initial vacuum angle value >40Pa that vacuum meter reads, after self-clocking second Preset Time (as 10 seconds), again read vacuum values (i.e. the second vacuum degree) and judge whether system connects and be evacuated workpiece.If vacuum tightness >40Pa at the end of timing in 10 seconds, then illustrative system has connected and has been evacuated workpiece, now lights amber light; If the second vacuum degree≤40Pa, then system does not connect workpiece to be found time yet.
By above-mentioned steps, if determine workpiece connect serviceable condition, automatically start timing first Preset Time (Ts) and at the end of setting-up time automatic decision vacuum tightness whether qualified; After completing result judgement, program is opened and is entered next circulation, realizes Automatic continuous and runs.Particularly, can realize as follows:
Step S308: start timer to evacuated time timing, and the pilot lamp controlling the second color is bright.
Wherein, the pilot lamp of the second color can be yellow pilot lamp.
Step S309: when evacuated time reaches the first Preset Time, reads the first vacuum degree.
Alternatively, the first Preset Time can be 150 seconds.
Step S310: detect the first vacuum degree and whether be less than or equal to the first predetermined threshold value.
If the first vacuum degree is less than or equal to the first predetermined threshold value, then perform step S311; If the first vacuum degree is greater than the first predetermined threshold value, then perform step S312.
Step S311: timer resets reclocking, and the pilot lamp controlling the first color is bright.
Step S312: timer resets reclocking, and the pilot lamp controlling the 3rd color is bright.
Wherein, the pilot lamp of the 3rd color can be red pilot lamp.
Step S313 and step S314: interval the 3rd Preset Time.
Particularly, after the Preset Time of interval the 3rd, return and perform step S301.
Can connect after workpiece of finding time in decision-making system by above-mentioned steps, judge that whether system vacuum tightness in setting-up time is qualified further.
Particularly, presetting the system pump down time is 150 seconds, through timing after 150 seconds, vacuum meter reading system vacuum values (i.e. the first vacuum degree) also judges, if the first vacuum degree >40Pa, then system vacuum is defective, and system point sends out a warning and timing resets, and enters next circulation; If vacuum values≤40Pa, then system is in the 150s evacuated time of setting, and system vacuum is qualified, reaches setting requirement, and point gives a green light and timing resets, and enters next and detects circulation.
What needs further illustrated is, it is spontaneous to systems axiol-ogy that timing time Ts in Fig. 2 is used for system vacuum realization circulation, according to the size reasonable assessment setting timing time of different system equipment pumpage, guarantee that system is not connecting in workpiece situation, accurately carry out system self and detect judgement.
By the above embodiment of the present invention, adopt automatic decision logic provided by the invention, cancel manual operation action and subjective judgement, the vacuum tightness realized in setting-up time section automatically detects and judges.Particularly, to find time work status without the need to carrying out automatic identification system under manual operation instruction; System realizes can self-clocking continuously, without the need to opening (or end) Clocked operation manually; Further, the programmed logic of system realizes exporting result of determination in the accurate automatic checkout system vacuum tightness of setting-up time point, and detects effective automatic cycling operating, passes through above-described embodiment, improve the automatization level of vacuum degree measurement, avoid the not controlled factordisease such as artificial judgment mistake.
The embodiment of the present invention additionally provides a kind of device of checkout equipment vacuum tightness.This device can realize its function by the method for the checkout equipment vacuum tightness in above-described embodiment.It should be noted that, the device of the checkout equipment vacuum tightness of the embodiment of the present invention may be used for the method performing the checkout equipment vacuum tightness that the embodiment of the present invention provides.
Fig. 4 is the schematic diagram of the device of checkout equipment vacuum tightness according to the embodiment of the present invention.As shown in Figure 4, this device can comprise: the first control module 10, acquisition module 30, first detection module 50, first determination module 70 and the second determination module 90.
Wherein, the first control module 10, for after determining that vacuum meter is connected with equipment under test, controls vacuum meter and carries out evacuation processes to equipment under test; Acquisition module 30, for when the time of evacuation processes reaches the first Preset Time, obtains the first vacuum degree of equipment under test; Whether first detection module 50 is less than or equal to the first predetermined threshold value for detecting the first vacuum degree; If the first determination module 70 is greater than the first predetermined threshold value for the first vacuum degree of equipment under test, then detect that equipment under test vacuum tightness is defective; If the second determination module 90 is less than or equal to the first predetermined threshold value for the first vacuum degree of equipment under test, then detect that equipment under test vacuum tightness is qualified.
Adopt the present invention, before detection equipment under test being carried out to vacuum tightness, automatically the connection status of vacuum meter and equipment under test can be detected, after determining that vacuum meter has been connected with equipment under test, control vacuum meter by the first control module and in the given time evacuation processes is carried out to equipment, then first detection module detects the vacuum degree of equipment under test, the first determination module and the second determination module whether qualified according to the vacuum tightness of the vacuum degree automatic decision equipment under test recorded.In the above-described embodiments, automatically the state vacuumized residing for equipment under test can be identified, without the need to inputting instruction manually, and can to pumpdown time self-clocking, avoid the inaccurate problem of manually pinching stopwatch and occurring, and the process of whole detection is compact, detection efficiency is improved.Adopt the present invention, solve in prior art and cannot carry out Measurement accuracy to system vacuum and the problem measuring inefficiency, the correctness of testing result and detection efficiency are improved.
According to the abovementioned embodiments of the present invention, device can also comprise: start module, before carrying out evacuation processes at control vacuum meter to equipment under test, starts vacuum meter; First read module, for the initial vacuum angle value using vacuum meter to read equipment under test; Whether the second monitoring modular, be less than or equal to the second predetermined threshold value for detecting initial vacuum angle value; First execution module, if be less than or equal to the second predetermined threshold value for initial vacuum angle value, then detects that vacuum meter is not connected with equipment under test, after the Preset Time of interval second, returns the initial vacuum angle value performing and read equipment under test; Second read module, if be greater than the second predetermined threshold value for initial vacuum angle value, then after the Preset Time of interval second, reads the second vacuum degree of equipment under test; First judge module, for judging whether the second vacuum degree is less than or equal to the 3rd predetermined threshold value; Second execution module, if be less than or equal to the 3rd predetermined threshold value for the second vacuum degree, then after the Preset Time of interval second, returns the initial vacuum angle value performing and read equipment under test; 3rd determination module, if be greater than the 3rd predetermined threshold value for the second vacuum degree, then judges that vacuum meter is connected with equipment under test.
Particularly, device can also comprise: the first control module, for after the Preset Time of interval second, before returning the initial vacuum angle value performing and read equipment under test, the timer of vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright; Second control module, for after judging that vacuum meter is connected with equipment under test, reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the second color is bright.
In the above embodiment of the present invention, device can also comprise: the 3rd control module, after whether being less than or equal to the first predetermined threshold value at detection first vacuum degree, if detect, the first vacuum degree of equipment under test is less than or equal to the first predetermined threshold value, then the timer of vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright; 4th control module, if for detecting that the first vacuum degree of equipment under test is greater than the first predetermined threshold value, then reset and reclocking by the timer of vacuum meter, and the pilot lamp controlling the 3rd color is bright.
Further, device can also comprise: the 3rd execution module, after whether being less than or equal to the first predetermined threshold value at detection first vacuum degree, after the Preset Time of interval the 3rd, return the initial vacuum angle value performing and use vacuum meter to read equipment under test.
The value of the first predetermined threshold value in the above embodiment of the present invention, the second predetermined threshold value and the 3rd predetermined threshold value can be identical, and the first color can be green, the second color can be able to be redness for yellow and the 3rd color; First Preset Time and the 3rd Preset Time can be 150 seconds, and the second Preset Time can be 10 seconds.
Pass through the above embodiment of the present invention, can after the vacuum degree measurement of system starts automatically, self-inspection can be carried out to evacuation system, initial depression numerical value is read by vacuum meter, and judge the connection of equipment under test (system workpiece) and vacuum meter and sealing state (connect intact as workpiece or connect without workpiece, workpiece has leakage etc.) by vacuum tightness decision content (XPa, the first predetermined threshold value namely in above-described embodiment) in advance.If determine workpiece connect serviceable condition, automatically start timing first Preset Time (Ts) and at the end of setting-up time automatic decision vacuum tightness whether qualified; After completing result judgement, program is opened and is entered next circulation, realizes Automatic continuous and runs.
By the above embodiment of the present invention, adopt automatic decision logic provided by the invention, cancel manual operation action and subjective judgement, the vacuum tightness realized in setting-up time section automatically detects and judges.Particularly, to find time work status without the need to carrying out automatic identification system under manual operation instruction; System realizes can self-clocking continuously, without the need to opening (or end) Clocked operation manually; Further, the programmed logic of system realizes exporting result of determination in the accurate automatic checkout system vacuum tightness of setting-up time point, and detects effective automatic cycling operating.By above-described embodiment, improve the automatization level of vacuum degree measurement, avoid the not controlled factordisease such as artificial judgment mistake.
The modules provided in the present embodiment is identical with the using method that the corresponding step of embodiment of the method provides, application scenarios also can be identical.It is noted, of course, that the scheme that above-mentioned module relates to can be not limited to content in above-described embodiment and scene, and above-mentioned module may operate in terminal or mobile terminal, can pass through software or hardware implementing.
As can be seen from the above description, present invention achieves following technique effect:
Adopt the present invention, before detection equipment under test being carried out to vacuum tightness, automatically the connection status of vacuum meter and equipment under test can be detected, after determining that vacuum meter has been connected with equipment under test, control vacuum meter and in the given time evacuation processes is carried out to equipment, then the vacuum degree of equipment under test is detected, whether qualified according to the vacuum tightness of the vacuum degree automatic decision equipment under test recorded.In the above-described embodiments, automatically the state vacuumized residing for equipment under test can be identified, without the need to inputting instruction manually, and can to pumpdown time self-clocking, avoid the inaccurate problem of manually pinching stopwatch and occurring, and the process of whole detection is compact, detection efficiency is improved.Adopt the present invention, solve in prior art and cannot carry out Measurement accuracy to system vacuum and the problem measuring inefficiency, the correctness of testing result and detection efficiency are improved.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical or other form.
Each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for checkout equipment vacuum tightness, is characterized in that, comprising:
After determining that vacuum meter is connected with equipment under test, control described vacuum meter and evacuation processes is carried out to described equipment under test;
When the time of evacuation processes reaches the first Preset Time, obtain the first vacuum degree of described equipment under test;
Detect described first vacuum degree and whether be less than or equal to the first predetermined threshold value;
If the first vacuum degree of described equipment under test is greater than described first predetermined threshold value, then detect that described equipment under test vacuum tightness is defective;
If the first vacuum degree of described equipment under test is less than or equal to described first predetermined threshold value, then detect that described equipment under test vacuum tightness is qualified.
2. method according to claim 1, is characterized in that, before the described vacuum meter of control carries out evacuation processes to described equipment under test, described method also comprises:
Start described vacuum meter;
Described vacuum meter is used to read the initial vacuum angle value of described equipment under test;
Detect described initial vacuum angle value and whether be less than or equal to the second predetermined threshold value;
If described initial vacuum angle value is less than or equal to described second predetermined threshold value, then detect that described vacuum meter is not connected with described equipment under test, after the Preset Time of interval second, return the initial vacuum angle value performing and read described equipment under test;
If described initial vacuum angle value is greater than described second predetermined threshold value, then after the second Preset Time described in interval, read the second vacuum degree of equipment under test;
Judge whether described second vacuum degree is less than or equal to the 3rd predetermined threshold value;
If described second vacuum degree is less than or equal to described 3rd predetermined threshold value, then after the second Preset Time described in interval, return the initial vacuum angle value performing and read described equipment under test;
If described second vacuum degree is greater than described 3rd predetermined threshold value, then judge that described vacuum meter is connected with equipment under test.
3. method according to claim 2, is characterized in that,
After the Preset Time of interval second, before returning the initial vacuum angle value performing and read described equipment under test, described method also comprises: reset and reclocking by the timer of described vacuum meter, and the pilot lamp controlling the first color is bright;
After judging that described vacuum meter is connected with equipment under test, described method also comprises: reset and reclocking by the timer of described vacuum meter, and the pilot lamp controlling the second color is bright.
4. according to the method in claim 2 or 3, it is characterized in that, after whether described first vacuum degree of detection is less than or equal to the first predetermined threshold value, described method also comprises:
If detect, the first vacuum degree of described equipment under test is less than or equal to described first predetermined threshold value, then reset and reclocking by the timer of described vacuum meter, and the pilot lamp controlling the first color is bright;
If detect, the first vacuum degree of described equipment under test is greater than described first predetermined threshold value, then reset and reclocking by the timer of described vacuum meter, and the pilot lamp controlling the 3rd color is bright.
5. method according to claim 4, is characterized in that, after whether described first vacuum degree of detection is less than or equal to the first predetermined threshold value, described method also comprises:
After the Preset Time of interval the 3rd, return the initial vacuum angle value performing and use described vacuum meter to read described equipment under test.
6. a device for checkout equipment vacuum tightness, is characterized in that, comprising:
First control module, for after determining that vacuum meter is connected with equipment under test, controls described vacuum meter and carries out evacuation processes to described equipment under test;
Acquisition module, for when the time of evacuation processes reaches the first Preset Time, obtains the first vacuum degree of described equipment under test;
Whether first detection module, be less than or equal to the first predetermined threshold value for detecting described first vacuum degree;
First determination module, if be greater than described first predetermined threshold value for the first vacuum degree of described equipment under test, then detects that described equipment under test vacuum tightness is defective;
Second determination module, if be less than or equal to described first predetermined threshold value for the first vacuum degree of described equipment under test, then detects that described equipment under test vacuum tightness is qualified.
7. device according to claim 6, is characterized in that, described device also comprises:
Start module, before evacuation processes being carried out to described equipment under test at control described vacuum meter, start described vacuum meter;
First read module, for the initial vacuum angle value using described vacuum meter to read described equipment under test;
Whether the second monitoring modular, be less than or equal to the second predetermined threshold value for detecting described initial vacuum angle value;
First execution module, if be less than or equal to described second predetermined threshold value for described initial vacuum angle value, then detect that described vacuum meter is not connected with described equipment under test, after the Preset Time of interval second, return the initial vacuum angle value performing and read described equipment under test;
Second read module, if be greater than described second predetermined threshold value for described initial vacuum angle value, then after the second Preset Time described in interval, reads the second vacuum degree of equipment under test;
First judge module, for judging whether described second vacuum degree is less than or equal to the 3rd predetermined threshold value;
Second execution module, if be less than or equal to described 3rd predetermined threshold value for described second vacuum degree, then after the second Preset Time described in interval, returns the initial vacuum angle value performing and read described equipment under test;
3rd determination module, if be greater than described 3rd predetermined threshold value for described second vacuum degree, then judges that described vacuum meter is connected with equipment under test.
8. device according to claim 7, is characterized in that,
Described device also comprises: the first control module, for after the Preset Time of interval second, before returning the initial vacuum angle value performing and read described equipment under test, the timer of described vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright;
Second control module, for after judging that described vacuum meter is connected with equipment under test, reset and reclocking by the timer of described vacuum meter, and the pilot lamp controlling the second color is bright.
9. the device according to claim 7 or 8, is characterized in that, described device also comprises:
3rd control module, after whether being less than or equal to the first predetermined threshold value at described first vacuum degree of detection, if detect, the first vacuum degree of described equipment under test is less than or equal to described first predetermined threshold value, then the timer of described vacuum meter is reset and reclocking, and the pilot lamp controlling the first color is bright;
4th control module, if for detecting that the first vacuum degree of described equipment under test is greater than described first predetermined threshold value, then reset and reclocking by the timer of described vacuum meter, and the pilot lamp controlling the 3rd color is bright.
10. device according to claim 9, is characterized in that, described device also comprises:
3rd execution module, after whether being less than or equal to the first predetermined threshold value at described first vacuum degree of detection, after the Preset Time of interval the 3rd, returns the initial vacuum angle value performing and use described vacuum meter to read described equipment under test.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644307A (en) * | 2016-12-19 | 2017-05-10 | 广州市真量纯科技有限公司 | Automatic workpiece vacuum degree detection system |
| CN106768610A (en) * | 2016-12-19 | 2017-05-31 | 广州市真量纯科技有限公司 | A kind of workpiece vacuum automatic testing method |
| CN107421180A (en) * | 2017-07-27 | 2017-12-01 | 奥克斯空调股份有限公司 | A kind of management-control method of the vacuum of production line balance air-conditioning |
| CN108267280A (en) * | 2016-12-30 | 2018-07-10 | 致茂电子(苏州)有限公司 | Air-tightness detection method and air-tightness detection device |
| CN110406514A (en) * | 2018-04-28 | 2019-11-05 | 宝沃汽车（中国）有限公司 | Control method, device and the automobile of vacuum pump operation threshold |
| CN113670511A (en) * | 2021-08-13 | 2021-11-19 | 宁波爱发科真空技术有限公司 | Vacuum calibration system and detection method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726508A (en) * | 2019-10-31 | 2020-01-24 | 广东合立鼎峰科技有限公司 | Vacuum degree and vacuum leakage detection method based on automatic evacuation system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0824857B2 (en) * | 1996-08-16 | 2012-06-13 | Maasland N.V. | A method of automatically connecting teat cups to the teats of an animal to be milked |
| CN101776504B (en) * | 2009-01-13 | 2012-03-28 | 珠海格力电器股份有限公司 | Automatic vacuumizing alarm device and method |
| KR20140129717A (en) * | 2013-04-30 | 2014-11-07 | 황해덕 | A hose pipe of leak test method and thereof leak test device for the vehicle air conditioner pipe laying |
| CN203350001U (en) * | 2013-06-27 | 2013-12-18 | 奇瑞汽车股份有限公司 | Air-conditioner filling device tightness detection tool |
-
2014
- 2014-12-24 CN CN201410820161.5A patent/CN104568301B/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 刘伟等: "分体式空调器室外机抽真空自动报警工艺开发", 《机电工程技术》 * |
| 郭维夏: "某双蒸发器新车型空调管路真空检查参数的修正", 《装备制造技术》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644307A (en) * | 2016-12-19 | 2017-05-10 | 广州市真量纯科技有限公司 | Automatic workpiece vacuum degree detection system |
| CN106768610A (en) * | 2016-12-19 | 2017-05-31 | 广州市真量纯科技有限公司 | A kind of workpiece vacuum automatic testing method |
| CN106644307B (en) * | 2016-12-19 | 2019-01-29 | 广州市真量纯科技有限公司 | A kind of workpiece vacuum degree automatic checkout system |
| CN106768610B (en) * | 2016-12-19 | 2019-02-22 | 广州市真量纯科技有限公司 | A kind of workpiece vacuum degree automatic testing method |
| CN108267280A (en) * | 2016-12-30 | 2018-07-10 | 致茂电子(苏州)有限公司 | Air-tightness detection method and air-tightness detection device |
| CN107421180A (en) * | 2017-07-27 | 2017-12-01 | 奥克斯空调股份有限公司 | A kind of management-control method of the vacuum of production line balance air-conditioning |
| CN107421180B (en) * | 2017-07-27 | 2019-10-25 | 奥克斯空调股份有限公司 | A kind of management-control method of the vacuum degree of flow line production air-conditioning |
| CN110406514A (en) * | 2018-04-28 | 2019-11-05 | 宝沃汽车（中国）有限公司 | Control method, device and the automobile of vacuum pump operation threshold |
| CN113670511A (en) * | 2021-08-13 | 2021-11-19 | 宁波爱发科真空技术有限公司 | Vacuum calibration system and detection method thereof |
| CN113670511B (en) * | 2021-08-13 | 2023-10-20 | 宁波爱发科真空技术有限公司 | Vacuum calibration system and detection method thereof |
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