CN201935964U - Automatic intelligent detection device for quartz oscillator instrument - Google Patents
Automatic intelligent detection device for quartz oscillator instrument Download PDFInfo
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- CN201935964U CN201935964U CN2010205936104U CN201020593610U CN201935964U CN 201935964 U CN201935964 U CN 201935964U CN 2010205936104 U CN2010205936104 U CN 2010205936104U CN 201020593610 U CN201020593610 U CN 201020593610U CN 201935964 U CN201935964 U CN 201935964U
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Abstract
The utility model discloses an automatic intelligent device for a quartz oscillator instrument, which comprises a channel switching and controlling device, a frequency scale comparator/counter, a monitor, data acquisition equipment, digital identification and control software and background data processing and database management software, wherein a camera is arranged on the data acquisition equipment and is used for acquiring an image of an instrument panel to be detected; the acquired image is outputted by a detection channel controlled by the switching and controlling device to the frequency scale comparator/counter; the acquired instrument to be detected is compared with a standard instrument to finish frequency scale comparison or frequency counting; the real-time monitoring is carried out by the monitor through a display screen of the computer; the image of the panel of the instrument to be detected is acquired by the data acquisition equipment; the acquired image is subjected to digital image processing and image segmentation by the digital identification and control software; the segmented digital image is subjected to high-precision identification by a manual intelligent technology, so that display data of the digital instrument can be obtained; and the display data are saved in a database and are processed according to verified regulation to finally form detection records and detection reports.
Description
Technical field
The utility model relates to the measuring and testing device of quartz oscillator, especially be a kind of intelligent automatic pick-up unit of finishing quartz oscillator in the digital instrument (instrument), it is applicable to the digital instrument that includes outer frequency marking output and does not have the digital instrument of outer frequency marking output.
Background technology
Digital instrument has obtained using widely in various modern industry enterprise, and measurement verification department need regularly detect the quartz oscillator of these digital devices.Quartz oscillator is the oscillator of high precision and high stability, be widely used in all kinds of oscillatory circuits such as colour TV, computing machine, telepilot, and be used for frequency generator in the communication system, provide reference signal for the data processing equipment clocking with for particular system.
At present, more domestic companies or individual application have the been arranged pick-up unit of quartz oscillator or the relevant patent of system; As, the on-line detecting system of quartz oscillator (CN101419262), unattended automatic test system of quartz crystal oscillator (CN101515009), a kind of test adjusting gear of quartz oscillator and method (CN1657957), system for automatically testing parameters of quartz crystal oscillator (CN101713811A) etc., above-mentioned these test macros (device) all are the tests at the quartz oscillator element; And present detection to the quartz oscillator digital instrument, the checkout equipment of testing agency's introducing both at home and abroad all adopts the automatic recording mode of outer frequency marking relative method, this detection mode has the following disadvantages: (1) it require standard device and detected equipment must support outer frequency marking output, yet, in real work, also have the digital instrument of the outer frequency marking output of a large amount of nothings, at this moment, use above-mentioned this automatic recording mode can't finish detection.For this reason, the existing detection that will finish the equipment that does not have outer frequency marking output, the detection of its quartz oscillator can only be by manually finishing, but it detects duration very long (often reaching tens of hours), and the mode that most of metrological service need adopt many people to change shifts solves; In addition, this checkout equipment can only print the raw data associated in the testing process, and the testing staff needs these data of artificial treatment, and calculated amount is bigger, inefficiency.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provide a kind of intelligent testing process that can finish the digital instrument quartz oscillator automatically, and can finish the processing of detection data and the intelligent automatic pick-up unit that the form certificate generates automatically.
The purpose of this utility model is achieved in that
The intelligent automatic pick-up unit of a kind of quartz oscillator instrument, it is characterized in that, it comprises that passage switches and controller, frequency marking comparer/counter, monitor, data acquisition equipment, digit recognition and Control Software, intelligent parameter control unit, back-end data process software and database management language, data acquisition equipment is provided with the camera that is used to monitor tested instrument, behind the tested instrument panel image of camera collection, export frequency marking comparer/counter to by the sense channel that switches with controller control, tested instrument and standard meter that frequency marking comparer/counter will collect are compared, finish frequency marking comparison or frequency computation part, and monitor in real time by computer display screens by monitor, data acquisition equipment is finished tested instrument panel image collecting work, by digit recognition and controller the image of gathering is carried out the digital picture pre-service again, and carry out image segmentation, by artificial intelligence technology the digital picture of cutting apart is carried out high precision identification then, obtain the video data of digital instrument, and be saved in the database, and then these data are carried out data processing according to vertification regulation, finally form detection record and examining report.
The purpose of this utility model can also adopt following technical measures to solve:
As better embodiment, four cameras can be installed at most on the described data acquisition equipment, each camera is used to monitor four tested instrument, therefore, native system is supported the online detection simultaneously of 16 equipment at most, and in testing process, per four tested instrument are one group, a sense channel by correspondence is exported, and controls respectively and detect by switching with controller.
As implementing more specifically, described passage switches with controller and is provided with control module core PLC, and PLC is connected with computing machine (host computer) and by computing machine (host computer) instruction control, with the execution corresponding actions; Use Industry Control PLC can guarantee the accurate of detection time, reduce the electromagnetic interference (EMI) of the tested equipment of outer bound pair, guarantee the reliable of pick-up unit long-time steady operation and testing result.And, can carry out accurate opertaing device according to the parameter that is provided with in the computing machine, in testing process, can adjust correlation parameter to arrive the control corresponding requirement according to different needs.
Described frequency marking comparer/counter also is connected with standard meter, frequency marking comparer/counter is compared tested instrument and standard meter, determine whether frequency marking output and the different detection methods of selecting frequency difference multiplication method, reading standard law and read tested method by selector button, finish frequency marking comparison or frequency counting; Above-mentioned frequency difference multiplication method, read standard law and read the concrete detection method of tested method, and frequency computation part, can be referring to the introduction of embodiment part.
Described monitor is connected between frequency marking comparer/counter and the data acquisition equipment, so that by the real-time monitoring of computer display screens to the testing process and the intermediate result of each sense channel, each measuring instrument, make the testing staff can understand the detection progress and the effect of each measuring instrument in real time, conveniently corresponding adjustment is made in detection.
Described intelligent controlled variable equipment is that the user requires and the predefined running parameter of detection rules according to detecting, and can finish the robotization testing process of each sense channel, each instrument automatically according to this parameter.
Described back-end data process software is finished the post-production and the data storage operations of data according to detecting journey.
Described database management language also is connected with record queries and certificate printing device, needs to use for people's inquiry and certificate printing.
The beneficial effects of the utility model are:
(1) the intelligent automatic pick-up unit of quartz oscillator instrument of the present utility model, both can be used for detection with the quartz oscillator digital instrument of frequency marking output, also can be used for not being with the detection of the quartz oscillator digital instrument of frequency marking output, and simple and reliable, cost is low, the advantage that detection efficiency is high; Its required equipment is a PC computing machine, is the channel controller of core and camera (video heads) etc. with PLC;
(2) this kind of automatic detection device, it is easy to use, operation is simple and easy, and the whole operation of device is a visualization interface, need only have simple computer operation knowledge just can finish detection;
(3) have again, automatic detection device of the present utility model, realized the efficiently integrated of quartz oscillator Measuring and testing and management information system (MIS), can carry out informationalized data management, and required report can directly generate automatically and print according to vertification regulation for the test section door.
Description of drawings
Fig. 1 is the pie graph of the intelligent automatic pick-up unit of the utility model quartz oscillator instrument;
Fig. 2 is the synoptic diagram that concerns of the passage switching of Fig. 1 pick-up unit and controller and data acquisition equipment;
Fig. 3 is the switching of Fig. 1 pick-up unit and the PLC connection layout of controller;
Fig. 4 is the frequency difference multiplication method synoptic diagram of the utility model automatic detection device;
Fig. 5 be the utility model automatic detection device read the standard law synoptic diagram;
Fig. 6 is the tested method synoptic diagram of reading of the utility model automatic detection device;
Fig. 7 is the start Characteristics Detection process flow diagram of the utility model automatic detection device;
Fig. 8 is the day frequency jitter testing process figure of the utility model automatic detection device;
Fig. 9 is the day ageing rate testing process figure of the utility model automatic detection device;
Figure 10 is the 1S frequency stability testing process figure of the utility model automatic detection device;
Figure 11 is the frequency repdocutbility testing process figure of the utility model automatic detection device;
Figure 12 is the frequency accuracy testing process figure of the utility model automatic detection device;
Figure 13 is certain passage control synoptic diagram of the utility model automatic detection device;
Figure 14 is the high accuracy number recognition technology synoptic diagram of the utility model automatic detection device.
Embodiment
As depicted in figs. 1 and 2, the intelligent automatic pick-up unit of a kind of quartz oscillator instrument, it comprises that passage switches and controller 1, frequency marking comparer/counter 2, monitor 3, data acquisition equipment 4, digit recognition and Control Software 5, intelligent parameter control unit 6, back-end data process software 7 and database management language 8, in Fig. 1, passage switching and controller 1 are divided into two parts to indicate, a part is switched 1-1 for passage, another part is controller 1-2, data acquisition equipment 4 is provided with the camera that is used to monitor tested instrument, behind the tested instrument A panel of the camera collection image, export frequency marking comparer/counter 2 to by the sense channel B that switches with controller 1 control, tested instrument A and standard meter C that frequency marking comparer/counter 2 will collect compare, finish frequency marking comparison or frequency counting, and monitor in real time by computer display screens by monitor 3, data acquisition equipment 4 is finished the work of tested instrument A panel image acquisition, image by digit recognition and 5 pairs of collections of Control Software carries out Digital Image Processing again, and carry out image segmentation, by artificial intelligence technology the digital picture of cutting apart is carried out high precision identification then, obtain the video data of digital instrument, and be saved in the database, and then these data are carried out data processing according to vertification regulation, finally form detection record and examining report.
See shown in Figure 2, four cameras can be installed at most on the described data acquisition equipment 4, each camera is used to monitor four tested instrument A, therefore, native system is supported 16 tested instrument A0-A15 (equipment) online detection simultaneously at most, in testing process, per four tested instrument A are one group, by sense channel B output of correspondence, that is: B0-B3, and control respectively and detect by switching with controller 1.
As shown in Figure 3, described passage switches with controller 1 and is provided with control module core PLC, and PLC is connected with computer PC (host computer) and by computer PC (host computer) instruction control, with the execution corresponding actions; The concrete connection is that PLC joins by USB/RS422 converting interface and computing machine, then is provided with relay J between each detected instrument A (equipment) and the PLC; Use Industry Control PLC can guarantee the accurate of detection time, reduce the electromagnetic interference (EMI) of the tested equipment of outer bound pair, guarantee the reliable of pick-up unit long-time steady operation and testing result.And, can carry out accurate opertaing device according to the parameter that is provided with in the computing machine, in testing process, can adjust correlation parameter to arrive the control corresponding requirement according to different needs.
Described frequency marking comparer/counter 2 also is connected with standard meter C, frequency marking comparer/counter 2 is compared tested instrument A and standard meter C, according to the different detection methods that whether frequency marking output arranged and select frequency difference multiplication method, read standard law and read tested method, finish frequency marking comparison or frequency computation part by selector button;
See shown in Figure 4ly, be the frequency difference multiplication method synoptic diagram, during frequency marking output, can read this signal input frequency difference multiplier 11 reading of frequency difference multiplier by system according to certain intervals (preestablishing), and finish detection this moment outside tested instrument A and standard scale all have;
See shown in Figure 5ly, for reading the standard law synoptic diagram, frequency marking output outside standard meter has C, and tested instrument A is not when having outer frequency marking output is adopted and is read standard law and detect, and specifically principle is seen shown in the figure;
See shown in Figure 6ly, for reading tested method synoptic diagram, frequency marking output outside tested instrument A has, and standard meter C is not when having outer frequency marking output is adopted and is read tested method and detect, and specifically principle is seen shown in the figure.
As shown in Figure 7, be the start Characteristics Detection process flow diagram of the utility model automatic detection device;
As shown in Figure 8, be the day frequency jitter testing process figure of the utility model automatic detection device;
As shown in Figure 9, be the day ageing rate testing process figure of the utility model automatic detection device;
As Figure 10 is the 1S frequency stability testing process figure of the utility model automatic detection device;
As shown in figure 11, be the frequency repdocutbility testing process figure of the utility model automatic detection device;
As shown in figure 12, be the frequency accuracy testing process figure of the utility model automatic detection device.
Above-mentioned monitor 3 is connected between frequency marking comparer/counter 2 and the data acquisition equipment 4, so that by the real-time monitoring of computer display screens to testing process and the intermediate result of each sense channel B, each measuring instrument A, make the testing staff can understand the detection progress and the effect of each measuring instrument in real time, conveniently corresponding adjustment is made in detection; And intelligent parameter control unit 6 to be users require and detect the predefined running parameter of rules according to detecting, can finish the robotization testing process of each sense channel B, each instrument automatically according to this parameter.
Described back-end data process software 7 is finished the post-production and the data storage operations of data according to detecting journey.
And user inquiring needs with printing for convenience, can also be connected with record queries and certificate printing device 9 at described database management language 8.
In sum, the gordian technique of this pick-up unit design is as follows:
(1) detected instrument (equipment) adopts multi-channel intelligent control to gather automatically with multi-channel data; The checkout equipment of the quartz oscillator of existing digital instrument, its every checkout equipment can only detect a detected equipment, causes usage ratio of equipment and detection efficiency very low, is difficult to satisfy the needs that detect use; And the checkout equipment of this patent, in order to improve the detection efficiency of instrument, lower and detect cost, this device can detect multiple devices simultaneously, 16 instrument of multipotency online detection simultaneously, because the test item and the detected parameters difference of each equipment may be very big, this patent is divided into four groups with tested 16 instrument (equipment), every group constitutes a sense channel, and with the group is that unit is provided with intelligent detected parameters, and these detected parameters can realize that the difference of instrument detect to require (on the same group or identical with the tested instrument detected parameters of passage); By being detection and the control that unit has realized requiring to finish according to different detections different instruments with the passage, its control principle synoptic diagram is illustrated in fig. 13 shown below, and is certain passage control synoptic diagram of the utility model automatic detection device.
The detected parameters of every sense channel comprises: start shooting preheating time on time, stop time etc. detection time at interval; to finish the start Characteristics Detection respectively, day frequency jitter, day ageing rate; the 1S frequency stability, frequency repdocutbility, the detection of projects such as frequency accuracy.
Wherein, the interval of adjusting detection time can change the acquisition interval time of detecting data according to different requirements, and the shortest being not less than 1 second is the highest unrestricted; Start is the start preheating time that is used to the equipment of adjusting preheating time, after guaranteeing that equipment enters steady-working state, carries out the detection of projects such as a day frequency jitter, 1S frequency stability, day ageing rate.On time and unused time are start and the stop times that need set when detecting the frequency repdocutbility.
(2) high accuracy number recognition technology;
The Core Feature of this device of high accuracy number identification, it is related to whole Device Testing result's precision and reliability; For obtaining the testing result of high precision high reliability, device must adopt reliable and stable digit recognition algorithm, and algorithm has high robustness, and system is automatically according to the height and the width that are identified character, adjust identification parameter, these parameters will be used for the control character feature extraction.In the process of digit recognition, system need provide outside the high-quality recognizer, also must assess the reliability of identification automatically, has adaptive ability, sees shown in Figure 14ly, is the high accuracy number recognition technology synoptic diagram of the utility model automatic detection device.
(3) the realization technology of vertification regulation;
The utility model detects rules according to national quartz oscillator instrument and finishes, the rules of following have: " quartz oscillator in People's Republic of China's measurement verification regulations----JJG180-2002 electronic measuring instrument ", " People's Republic of China's measurement verification regulations----JJG181-2005 quartz crystal frequency standard " etc.Detect in the rules at quartz oscillator, comprised 6 different test items of distinct device operational phase, it is many that the process of these test items detects data point, the process complexity, and the testing process duration is very long, and data sampling has nothing in common with each other at interval; The applicant incorporates the coherent detection rules in the intelligent automatic pick-up unit of quartz oscillator by software approach, finishes each by punctual collection of the data of test examination instrument and the control of open and close machine by computing machine.
The key point of this patent just is: utilized artificial intellectual technology of computing machine and PLC control technology etc., by high-precision digit recognition technology, realized the intelligent automatic detection of hyperchannel quartz oscillator instrument.
Therefore, the protection of this patent point has two places: the ultimate principle and the method for the intelligent automatic detection of (1) protection hyperchannel quartz oscillator instrument of the present invention; (2) the intelligent workflow of the intelligent automatic detection of protection hyperchannel quartz oscillator instrument of the present invention.
Claims (6)
1. intelligent automatic pick-up unit of quartz oscillator instrument, it is characterized in that, it comprises that passage switches and controller (1), frequency marking comparer/counter (2), monitor (3), data acquisition equipment (4), digit recognition and Control Software (5), intelligent parameter control unit (6), back-end data process software (7) and database management language (8), data acquisition equipment (4) is provided with the camera that is used to monitor tested instrument, behind the tested instrument of camera collection (A) the panel image, export frequency marking comparer/counter (2) to by the sense channel (B) that switches with controller (1) control, the tested instrument (A) that frequency marking comparer/counter (2) will collect is compared with standard meter (C), finish frequency marking comparison or frequency counting, and monitor in real time by computer display screens by monitor (3), data acquisition equipment (4) is finished the work of tested instrument (A) panel image acquisition, by digit recognition and Control Software (5) image of gathering is carried out Digital Image Processing again.
2. according to the intelligent automatic pick-up unit of the described quartz oscillator instrument of claim 1, it is characterized in that, four cameras are installed on the described data acquisition equipment (4), each camera is used to monitor four tested instrument (A), per four tested instrument are one group, by a sense channel (B) output of correspondence, and by passage switching and controller (1) control.
3. according to the intelligent automatic pick-up unit of the described quartz oscillator instrument of claim 1, it is characterized in that described switching and controller (1) are provided with control module core PLC, PLC is connected with computing machine and is controlled by computer instruction, to carry out corresponding actions.
4. according to the intelligent automatic pick-up unit of the described quartz oscillator instrument of claim 1, it is characterized in that described frequency marking comparer/counter (2) also is connected with standard meter (C).
5. according to the intelligent automatic pick-up unit of the described quartz oscillator instrument of claim 1, it is characterized in that described monitor (3) is connected between frequency marking comparer/counter (2) and the data acquisition equipment (4).
6. according to the intelligent automatic pick-up unit of the described quartz oscillator instrument of claim 1, it is characterized in that described database management language (8) also is connected with record queries and certificate printing device (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205936104U CN201935964U (en) | 2010-10-29 | 2010-10-29 | Automatic intelligent detection device for quartz oscillator instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205936104U CN201935964U (en) | 2010-10-29 | 2010-10-29 | Automatic intelligent detection device for quartz oscillator instrument |
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| CN201935964U true CN201935964U (en) | 2011-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565676A (en) * | 2012-01-13 | 2012-07-11 | 平湖市电子有限公司 | Automation measuring apparatus for crystal oscillator parameters |
| CN102721878A (en) * | 2011-03-29 | 2012-10-10 | 佛山市质量计量监督检测中心 | Intelligentized automatic checkout device of quartz crystal oscillator instrument |
| CN102928692A (en) * | 2012-10-12 | 2013-02-13 | 中国电子科技集团公司第二十研究所 | Method for measuring newly-added tested pieces in operation process of quartz crystal automatic testing system |
| CN103217600A (en) * | 2013-03-15 | 2013-07-24 | 深圳市三奇科技有限公司 | Testing device and testing method of aging rate of frequency devices |
| CN103604456A (en) * | 2013-12-09 | 2014-02-26 | 国家电网公司 | Automatic calibration system and automatic calibration method of pointer instrument |
| CN105488506A (en) * | 2016-01-11 | 2016-04-13 | 无锡市计量检定测试中心 | Automatic verification system for pointer meters and simple digital meters |
-
2010
- 2010-10-29 CN CN2010205936104U patent/CN201935964U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721878A (en) * | 2011-03-29 | 2012-10-10 | 佛山市质量计量监督检测中心 | Intelligentized automatic checkout device of quartz crystal oscillator instrument |
| CN102565676A (en) * | 2012-01-13 | 2012-07-11 | 平湖市电子有限公司 | Automation measuring apparatus for crystal oscillator parameters |
| CN102565676B (en) * | 2012-01-13 | 2014-01-01 | 平湖市电子有限公司 | Automation measuring apparatus for crystal oscillator parameters |
| CN102928692A (en) * | 2012-10-12 | 2013-02-13 | 中国电子科技集团公司第二十研究所 | Method for measuring newly-added tested pieces in operation process of quartz crystal automatic testing system |
| CN102928692B (en) * | 2012-10-12 | 2014-10-29 | 中国电子科技集团公司第二十研究所 | Method for measuring newly-added tested pieces in operation process of quartz crystal automatic testing system |
| CN103217600A (en) * | 2013-03-15 | 2013-07-24 | 深圳市三奇科技有限公司 | Testing device and testing method of aging rate of frequency devices |
| CN103604456A (en) * | 2013-12-09 | 2014-02-26 | 国家电网公司 | Automatic calibration system and automatic calibration method of pointer instrument |
| CN105488506A (en) * | 2016-01-11 | 2016-04-13 | 无锡市计量检定测试中心 | Automatic verification system for pointer meters and simple digital meters |
| CN105488506B (en) * | 2016-01-11 | 2019-06-18 | 无锡市计量检定测试中心 | For pointer gauge outfit and the automatic verification system of simple digital watch |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110817 |
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| CX01 | Expiry of patent term |