CN105259893A - Single-circuit snap action temperature controller synchronization test method - Google Patents
Single-circuit snap action temperature controller synchronization test method Download PDFInfo
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- CN105259893A CN105259893A CN201510646825.5A CN201510646825A CN105259893A CN 105259893 A CN105259893 A CN 105259893A CN 201510646825 A CN201510646825 A CN 201510646825A CN 105259893 A CN105259893 A CN 105259893A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
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Abstract
The invention discloses a single-circuit snap action temperature controller synchronization test method, which comprises synchronization test equipment and synchronization test procedures. The synchronization test method uses the synchronization test equipment, and carries out a synchronization test on a tested product according to the synchronization test procedures. The synchronization test equipment comprises a test frame, a test box, a temperature control device, PLC processor, a touch display screen, an electric signal line, an acoustic signal line and a tested product. The test method comprises an initial state, a temperature control state, a dynamic state, signal acquisition, time-differential comparison and a test result. According to the invention, the closed test box is designed, time difference analysis is carried out on circuit signals and acoustic signals, the signal reception time difference is quantified by using a time-differential device, and a synchronization characteristic of a temperature controller is accurately judged; the labor intensity is reduced, and the level of the product quality is improved; and indexes required by a customer are ensured to be reached through voluntarily adjusting the judgment time difference standard, and rising in product defective rate caused by overhigh synchronization standards is avoided at the same time.
Description
Technical field
The present invention relates to a kind of temperature controller synchronism detection technical equipment field, particularly a kind of single loop Kick type temperature controller synchronous detecting method.
Background technology
Kick type temperature controller is the important foundation condition ensureing that temperature control system is run and analyzed for the accuracy that temperature threshold is synchronous with kick actuation time, its Core Feature is the transient state of heat sensitive component, dynamic, steady state data collection, when temperature reaches thresholding, to the electric signal of Kick type temperature controller and the analysis of acoustical signal, test its time synchronizing characteristics.
For different customer requirement in existing industry, various criterion is carried out to the requirement of synchronizing characteristics index; Carry out temperature controller synchronism detection according to customer requirement, what do not require does not estimate coincident indicator; Usually the synchronous detecting method of temperature controller is that artificial listening measures synchronous, when the state namely by manually listening to break-make hummer changing, whether has the sound of bimetallic strip kick in temperature controller, judging the synchronizing characteristics of temperature controller.
The deficiencies in the prior art show: client does not require the temperature controller product testing synchronism, very fast for temperature variation, under the environment that thermal inertia is less, circuit go side state Rapid Circulation is easily caused to switch, occur that electrical equipment cannot use, quick damage situation occurs; Manually listen to synchronizing signal high for operating environment requirements, otherwise easily cause erroneous judgement; Manually listen to synchronizing signal, unified time difference standard cannot be formed, all inconsistent according to the reception determination time standard of human body to two kinds of signals, cause whether the synchronism of portioned product is up to standard it is determined that the presence of dispute.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of single loop Kick type temperature controller synchronous detecting method, for the deficiencies in the prior art, according to the feature of temperature controller, the test box of design closed, by space relative closure, isolated extraneous sound source on the impact of determining apparatus, and receives the kick signal of temperature controller by acoustic sensor, and carries out step-out time analysis with corresponding circuit signal, the mistiming of tolerance Signal reception when using poor, thus the synchronizing characteristics accurately judging temperature controller.
For achieving the above object, technical scheme of the present invention is as follows: a kind of single loop Kick type temperature controller synchronous detecting method, comprises synchronism detection equipment and synchronism detection flow process; Described synchronous detecting method uses synchronism detection equipment, carries out synchronism detection according to synchronism detection flow process to test products; It is characterized in that:
Described synchronism detection equipment comprises testing jig, test box, attemperating unit, PLC processor, touch display screen, electrical signal line, acoustical signal line, test products; It is characterized in that: described testing jig is provided with test box, described test box is seal case, is fixed on described testing jig by being spirally connected; Be provided with interlayer in the middle of described test box, described interlayer is equipped with test products, and described test products connects and fixes on described interlayer, and the splicing ear of described test products is connected with electrical signal line, and described electrical signal line is connected with PLC processor; Described test products circumference is provided with acoustic sensor, and the voice signal of acquisition is sent to PLC processor by acoustical signal line by described acoustic sensor; Be provided with attemperating unit in described testing jig, described attemperating unit is communicated with test casing by multi units tube road, is accurately controlled the temperature in test box by attemperating unit; Described attemperating unit is electrically connected with PLC processor, is monitored attemperating unit by PLC processor; Described PLC processor is fixedly installed on the left of testing jig, described testing jig is also provided with touch display screen, described touch display screen is connected with PLC processor electric signal, test procedure and device during difference is provided with in described PLC processor, when described test procedure and difference, device is used for carrying out Comparison and analysis to electric signal and acoustical signal, and by test result by touch display screen visual presentation.
A test products is at least assembled in described test box.
Described method of testing comprise original state, temperature-regulated condition, dynamically, signals collecting, difference time contrast, test result; It is characterized in that:
1. original state, connects and assembles all parts of synchronism detection equipment, and check synchronism detection equipment, be mounted with by test products in test box; Open synchronism detection equipment, carry out test procedure and device initialization during difference, obtained the Static Electro signal harmony signal data of test products by electrical signal line harmony signal wire;
2. optimum configurations, is arranged by the correlation parameter of touch display screen to test products, Storage & Display condition setting, arranges the parameter of attemperating unit: heating rate, temperature bound, to time difference device optimum configurations;
3. temperature-regulated condition, carries out warming temperature by PLC processor to attemperating unit, according to the heating rate arranged, carries out intensification operation to test box; By PLC processor, transient state monitoring is carried out to the electric signal of test products in temperature-rise period and acoustical signal;
4. dynamic, when the temperature in test box is close to when pre-seting region, by electrical signal line harmony signal wire, dynamic monitoring is carried out to the electric signal of test products and acoustical signal by PLC processor; And carry out tracking Synchronization Analysis by device when test procedure and difference; And simulation live signal is presented on described touch display screen;
5. signals collecting, when reaching the bimetallic strip kick temperature in test products when the temperature in test box, the bimetallic strip generation kick in test products, cause change in electric, send kick sound simultaneously, obtain acoustical signal by sound transducer, and synchronous driving is in PLC processor;
6. contrast during difference, the change in electric harmony signal intensity obtained by PLC processor collection, time quantum is marked with by device during difference, by device when test procedure and difference, obtained test data is analyzed, according to the domain value range of setting, by comparative analysis result with visual pattern, be presented on touch display screen;
7. test result, according to test data and analysis result, the test products synchronism detection table of form format, stores; And test chart is presented on touch display screen.
Be provided with sound signal receiver and electric signal receiver in described PLC processor, the signal transmitted in test box is converted to ON/OFF signal by described sound signal receiver and electric signal receiver, is further sent to PLC chip and device during difference.
Described poor time device by collecting acoustic signal and electrical signal, differ from computing time and be converted to analog quantity and import PLC processor into; Described PLC processor, by the value imported into of device during difference and setting value being made comparisons, determines coincident indicator OK or the NG of test products.
Described test products is provided with independently electrical signal line and acoustic sensor, the time point of two state changes that multiple test products occurs in test process can be extracted simultaneously, one is the make-and-break time point of temperature controller, by supervisory circuit electric signal receiver extracted by the break-make of circuit; Another is the catastrophic time point of bimetallic strip in temperature controller, is amplified the acoustic signal transmitting bimetallic strip kick by the acoustic sensor being assemblied in test products circumference, convenient collection.
Described PLC processor is controlled to the heating rate of attemperating unit in test process, makes the test for synchronism can be more accurate.
By device during difference and optimum configurations adjustable for the mistiming of synchronism criterion, making in the process of production test, the environment for use of product can be understood by communicating with client, according to the actual conditions of client, the production test progress of control synchronization, reduces fraction defective, saves cost.
Principle of work of the present invention is: the parameters being arranged synchronism detection by described touch display screen, and simultaneous display test mode and test result; Heating rate (0-5 DEG C/Min) can be set, control the soaking condition of attemperating unit, according to the specific requirement of client, the upper and lower limit numerical value of set temperature, according to target level of product quality, the synchronism mistiming is set, (0.01S-3S) and judge product test result and standard value according to PLC processor plug-in, analyze and be shown on touch display screen; Product is connected by signal wire with testing apparatus by described product test frame, test box, and voice signal and electrical signal is sent to PLC processor and carries out analysis and judge; Described sound signal receiver and electric signal receiver are responsible for the signal that the temperature controller in test box transmits being converted to ON/OFF signal and are imported PLC and device during difference into; Described poor time device by collecting acoustic signal and electrical signal, differ from computing time and be converted to analog quantity and import PLC processor into; Described PLC processor, by the value imported into of device during difference being made comparisons with setting value, determines the OK/NG of test products, and by test result display and storage.
Pass through technique scheme, the beneficial effect of technical solution of the present invention is: the test box of design closed, isolated extraneous sound source is on the impact of determining apparatus, and the kick signal of temperature controller is received by acoustic sensor, and carry out step-out time analysis with corresponding circuit signal, the mistiming of tolerance Signal reception when using poor, thus the synchronizing characteristics accurately judging temperature controller; Reduce staff labor intensity, realize product and entirely examine, improve product quality level; By the time difference standard judged from Row sum-equal matrix, ensure the index reaching customer requirement, the product fraction defective simultaneously avoiding too high synchronism standard to cause rises.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of single loop Kick type temperature controller synchronous detecting method schematic flow sheet disclosed in the embodiment of the present invention;
Fig. 2 is a kind of single loop Kick type temperature controller synchronism detection equipment schematic diagram disclosed in the embodiment of the present invention.
Numeral and the corresponding component title represented by letter in figure:
1. testing jig 2. test box 3. attemperating unit 4.PLC processor
5. touch display screen 6. electrical signal line 7. acoustical signal line 8. test products
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, 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, belong to the scope of protection of the invention.
According to Fig. 1 and Fig. 2, the invention provides a kind of single loop Kick type temperature controller synchronous detecting method, comprise synchronism detection equipment and synchronism detection flow process; Described synchronous detecting method uses synchronism detection equipment, carries out synchronism detection according to synchronism detection flow process to test products; It is characterized in that:
Described synchronism detection equipment comprises testing jig 1, test box 2, attemperating unit 3, PLC processor 4, touch display screen 5, electrical signal line 6, acoustical signal line 7, test products 8; Described testing jig 1 is provided with test box 2, and described test box 2 is seal case, is fixed on described testing jig 1 by being spirally connected; Interlayer is provided with in the middle of described test box 2, described interlayer is equipped with test products 8, described test products 8 is single loop Kick type temperature controller, described test products 8 connects and fixes on described interlayer, the splicing ear of described test products 8 is connected with electrical signal line 6, and described electrical signal line 6 is connected with PLC processor 4; Described test products 8 circumference is provided with acoustic sensor, and the voice signal of acquisition is sent to PLC processor 4 by acoustical signal line 7 by described acoustic sensor; Be provided with attemperating unit 3 in described testing jig 1, described attemperating unit 3 is communicated with test casing 2 by multi units tube road, is accurately controlled by the temperature in attemperating unit 3 pairs of test boxs 2; Described attemperating unit 3 is electrically connected with PLC processor 4, is monitored by PLC processor 4 pairs of attemperating units 3; Described PLC processor 4 is fixedly installed on the left of testing jig 1, described testing jig 1 is also provided with touch display screen 5, described touch display screen 5 is connected with PLC processor 4 electric signal, test procedure and device during difference is provided with in described PLC processor 4, when described test procedure and difference, device is used for carrying out Comparison and analysis to electric signal and acoustical signal, and by test result by touch display screen 5 visual presentation.
4 test products are equipped with in described test box 2.
Described testing process comprise original state, temperature-regulated condition, dynamically, signals collecting, difference time contrast, test result; It is characterized in that:
1. original state, connects and assembles all parts of synchronism detection equipment, and check synchronism detection equipment, be mounted with by test products 8 in test box 2; Open synchronism detection equipment, carry out test procedure and device initialization during difference, obtained the Static Electro signal harmony signal data of test products 8 by electrical signal line 6 harmony signal wire 7;
2. optimum configurations, is arranged by the correlation parameter of touch display screen 5 pairs of test products 8, Storage & Display condition setting, arranges the parameter of attemperating unit 3: heating rate, temperature bound, to time difference device optimum configurations;
3. temperature-regulated condition, carries out warming temperature by PLC processor 4 pairs of attemperating units 3, according to the heating rate arranged, carries out intensification operation to test box 2; Transient state monitoring is carried out by the electric signal of test products 8 in PLC processor 4 pairs of temperature-rise periods and acoustical signal;
4. dynamic, when the temperature in test box 2 is close to when pre-seting region, carry out dynamic monitoring by PLC processor 4 by the electric signal of electrical signal line 6 harmony signal wire 7 pairs of test products 8 and acoustical signal; And carry out tracking Synchronization Analysis by device when test procedure and difference; And simulation live signal is presented on described touch display screen 5;
5. signals collecting, when reaching the bimetallic strip kick temperature in test products 8 when the temperature in test box 2, the bimetallic strip generation kick in test products 8, cause change in electric, send kick sound simultaneously, obtain acoustical signal by sound transducer, and synchronous driving is in PLC processor 4;
6. contrast during difference, the change in electric harmony signal intensity of acquisition is gathered by PLC processor 4, time quantum is marked with by device during difference, by device when test procedure and difference, obtained test data is analyzed, according to the domain value range of setting, by comparative analysis result with visual pattern, be presented on touch display screen 5;
7. test result, according to test data and analysis result, the test products synchronism detection table of form format, stores; And test chart is presented on touch display screen 5.
Be provided with sound signal receiver and electric signal receiver in described PLC processor 4, the signal transmitted in test box 2 is converted to ON/OFF signal by described sound signal receiver and electric signal receiver, is further sent to PLC chip and device during difference.
Described poor time device by collecting acoustic signal and electrical signal, differ from computing time and be converted to analog quantity and import PLC processor 4 into; Described PLC processor 4, by the value imported into of device during difference and setting value being made comparisons, determines coincident indicator OK or the NG of test products 8.
Described test products 8 is provided with independently electrical signal line and acoustic sensor, the time point of two state changes that multiple test products 8 occurs in test process can be extracted simultaneously, one is the make-and-break time point of temperature controller, by supervisory circuit electric signal receiver extracted by the break-make of circuit; Another is the catastrophic time point of bimetallic strip in temperature controller, is amplified the acoustic signal transmitting bimetallic strip kick by the acoustic sensor being assemblied in test products circumference, convenient collection.
The heating rate of described PLC processor 4 pairs of attemperating units 3 in test process is controlled, makes the test for synchronism can be more accurate.
By device during difference and optimum configurations adjustable for the mistiming of synchronism criterion, making in the process of production test, the environment for use of product can be understood by communicating with client, according to the actual conditions of client, the production test progress of control synchronization, reduces fraction defective, saves cost
By above-mentioned specific embodiment, the invention has the beneficial effects as follows: utilization of the present invention can lower the labour intensity of employee in a large number, can realize full inspection, the bad loss avoiding client to occur and customer complaint, improve product quality level; Greatly shorten the test duration, save labour turnover; The requirement to working environment can be reduced, save facility cost; Accurately can judge product percent of pass, the time standard that simultaneously can judge from Row sum-equal matrix, ensure the index reaching customer requirement, the product fraction defective simultaneously avoiding too high synchronism standard to cause rises.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a single loop Kick type temperature controller synchronism detection equipment, is characterized in that, comprises testing jig, test box, attemperating unit, PLC processor, touch display screen, electrical signal line, acoustical signal line, test products; It is characterized in that: described testing jig is provided with test box, described test box is seal case, is fixed on described testing jig by being spirally connected; Be provided with interlayer in the middle of described test box, described interlayer is equipped with test products, and described test products connects and fixes on described interlayer, and the splicing ear of described test products is connected with electrical signal line, and described electrical signal line is connected with PLC processor; Described test products circumference is provided with acoustic sensor, and the voice signal of acquisition is sent to PLC processor by acoustical signal line by described acoustic sensor; Be provided with attemperating unit in described testing jig, described attemperating unit is communicated with test casing by multi units tube road, is accurately controlled the temperature in test box by attemperating unit; Described attemperating unit is electrically connected with PLC processor, is monitored attemperating unit by PLC processor; Described PLC processor is fixedly installed on the left of testing jig, described testing jig is also provided with touch display screen, described touch display screen is connected with PLC processor electric signal, test procedure and device during difference is provided with in described PLC processor, when described test procedure and difference, device is used for carrying out Comparison and analysis to electric signal and acoustical signal, and by test result by touch display screen visual presentation.
2. a kind of single loop Kick type temperature controller synchronism detection equipment according to claim 1, is characterized in that, at least assemble a test products in described test box.
3. a kind of single loop Kick type temperature controller synchronism detection equipment according to claim 1, it is characterized in that, sound signal receiver and electric signal receiver is provided with in described PLC processor, the signal transmitted in test box is converted to ON/OFF signal by described sound signal receiver and electric signal receiver, is further sent to PLC chip and device during difference.
4. a kind of single loop Kick type temperature controller synchronism detection equipment according to claim 1, it is characterized in that, described test products is provided with independently electrical signal line and acoustic sensor, the time point of two state changes that multiple test products occurs in test process can be extracted simultaneously, one is the make-and-break time point of temperature controller, by supervisory circuit electric signal receiver extracted by the break-make of circuit; Another is the catastrophic time point of bimetallic strip in temperature controller, is amplified the acoustic signal transmitting bimetallic strip kick by the acoustic sensor being assemblied in test products circumference.
5. a single loop Kick type temperature controller synchronous detecting method, is characterized in that, comprise original state, temperature-regulated condition, dynamically, signals collecting, difference time contrast, test result;
5.1 original states, connect and assemble all parts of synchronism detection equipment, and check synchronism detection equipment, be mounted with by test products in test box; Open synchronism detection equipment, carry out test procedure and device initialization during difference, obtained the Static Electro signal harmony signal data of test products by electrical signal line harmony signal wire;
5.2 optimum configurations, are arranged by the correlation parameter of touch display screen to test products, Storage & Display condition setting, arrange the parameter of attemperating unit: heating rate, temperature bound, to time difference device optimum configurations;
5.3 temperature-regulated condition, carry out warming temperature by PLC processor to attemperating unit, according to the heating rate arranged, carry out intensification operation to test box; By PLC processor, transient state monitoring is carried out to the electric signal of test products in temperature-rise period and acoustical signal;
5.4 dynamically, when the temperature in test box is close to when pre-seting region, carries out dynamic monitoring by PLC processor by electrical signal line harmony signal wire to the electric signal of test products and acoustical signal; And carry out tracking Synchronization Analysis by device when test procedure and difference; And simulation live signal is presented on described touch display screen;
5.5 signals collecting, when reaching the bimetallic strip kick temperature in test products when the temperature in test box, the bimetallic strip generation kick in test products, cause change in electric, send kick sound simultaneously, obtain acoustical signal by sound transducer, and synchronous driving is in PLC processor;
Contrast during 5.6 difference, the change in electric harmony signal intensity obtained by PLC processor collection, time quantum is marked with by device during difference, by device when test procedure and difference, obtained test data is analyzed, according to the domain value range of setting, by comparative analysis result with visual pattern, be presented on touch display screen;
5.7 test results, according to test data and analysis result, the test products synchronism detection table of form format, stores; And test chart is presented on touch display screen.
6. a kind of single loop Kick type temperature controller synchronous detecting method according to claim 5, is characterized in that, described poor time device by collecting acoustic signal and electrical signal, differ from computing time and be converted to analog quantity and import PLC processor into; Described PLC processor, by the value imported into of device during difference and setting value being made comparisons, determines coincident indicator OK or the NG of test products.
7. a kind of single loop Kick type temperature controller synchronous detecting method according to claim 5, it is characterized in that, described PLC processor is controlled to the heating rate of attemperating unit in test process; Described poor time the device mistiming by optimum configurations adjustable.
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| CN108387329A (en) * | 2018-05-07 | 2018-08-10 | 天津瑞能电气有限公司 | A kind of temperature controller method of inspection and checking system |
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| Publication number | Publication date |
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| CN105259893B (en) | 2018-08-07 |
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