CN104070024A - Automatic resistance tester - Google Patents
Automatic resistance tester Download PDFInfo
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- CN104070024A CN104070024A CN201410331874.5A CN201410331874A CN104070024A CN 104070024 A CN104070024 A CN 104070024A CN 201410331874 A CN201410331874 A CN 201410331874A CN 104070024 A CN104070024 A CN 104070024A
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Abstract
The invention discloses an automatic resistance tester which comprises a singlechip control module, a resistance measuring module, a A/D (Analog/Digital) sampling storage module, a gear selection module, a sorting resistance range setting module, a sorting indication module and a display module, wherein the resistance measurement module is used for converting resistance values of resistors to be tested into an electric signal, the electric signal is sent to the A/D sampling storage module for being digitized, a digitized signal is sent to the singlechip control module, the singlechip control module controls the gear selection module to select a proper gear, tested data are displayed through the display module; the sorting resistance range setting module is used for setting a resistance value range required to be sorted, set resistances are displayed by the display module, the singlechip control module controls the sorting indication module to sort the resistors to be tested into resistors meeting the requirement and resistors not meeting the requirements. The automatic resistance tester provided by the invention is capable of automatically switching the gears and preventing handling of manual testing; the resistors to be tested are sorted and screened through the sorting indication module, and thus the time is saved and the labor force is reduced.
Description
Technical field
The present invention relates to a kind of resistance meter.
Background technology
Along with social development, the progress of science and technology, the mankind have obtained unprecedented development and progress at the aspect such as economic, scientific and technological.Resistance test instrument and meter application is extensive, the common precision of resistance test instrument and meter that tradition is used is inadequate, there is no enough sensitivity, measured resistance is had a certain impact, metering system is easy not, reading not intuitively, many defects such as very difficult, and use very inconvenient.
Although now also there are some automatic resistance testers, can automatically select gear, are very loaded down with trivial details, to lose time things for the classification of a large amount of resistance.In factory or scientific experiment chamber, a large amount of resistance is carried out to very important of effectively classification, can save manpower, save time.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automatic resistance tester, to solve the problem that cannot carry out to testing resistance effective classification existing in prior art.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
Automatic resistance tester provided by the invention comprises single chip control module, resistance measuring module, and A/D samples storage module, gear is selected module, and sorting Standard resistance range arranges module, sorting indicating module and display module; Wherein: the resistance of testing resistance is converted to voltage signal by described resistance measuring module, send into described A/D samples storage module and carry out digitlization, be sent to again described single chip control module, described in described single chip control module control, gear selects module to select suitable gear, and the resistance data recording is shown by the described display module being connected with described single chip control module; Described sorting Standard resistance range arranges module and is connected to described single chip control module, can arrange the resistance scope of required sorting, the resistance arranging shows by described display module, described single chip control module connects described sorting indicating module, described single chip control module is by comparing the resistance scope of the required sorting of the resistance data recording and setting, controls described sorting indicating module testing resistance is divided into and meets and do not meet two classes.After single-chip microcomputer compares the resistance scope of the resistance data recording and required sorting, send control signal to sorting indicating module.
Preferably, described sorting resistance arranges module and comprises coarse adjustment button and fine tuning button;
Described coarse adjustment button K1 selects for dimension;
Described fine tuning button comprises that upper limit resistance arranges button K2 and lower limit resistance arranges button K3.
Preferably, described resistance measuring module adopts LM358 to form R/V circuit, utilizes the disconnected feature of the empty short void of amplifier to measure the resistance of measured resistance, not only can accurately calculate the resistance of measured resistance, and error is very little.
Preferably, the model of described A/D samples storage module is TLC1543, can make system architecture simple, easy to operate.
Preferably, described single chip control module adopts AT89S51 single-chip microcomputer, and this single-chip microcomputer volume is little, and Resources on Chip is abundant, flexibly practical, is easy to human-computer dialogue.
Preferably, described gear selects module to adopt four relays as gear switch.
Preferably, described automatic resistance tester also comprises numerical value voice broadcast module, and described voice broadcast module is connected with described single chip control module, and operating personnel just need not stare at liquid crystal display always like this, can operate other things simultaneously, save time and energy.
Compared with prior art, beneficial effect of the present invention is as follows:
Automatic resistance tester of the present invention, can not only select module to realize the automatic switchover of resistance gear by gear, prevents the manual test duplication of labour; But also by sorting module, testing resistance is carried out to category filter, and save the time, reduce labour, reduce the impact of human factor, greatly improve efficiency and the accuracy rate of resistance test.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiments of the present invention are described further:
Fig. 1 is the system construction drawing of automatic resistance tester of the present invention;
Fig. 2 is the circuit theory diagrams of the resistance measuring module of automatic resistance tester of the present invention;
Fig. 3 is the circuit theory diagrams that the gear of automatic resistance tester of the present invention is selected module;
Fig. 4 is the circuit system schematic diagram of automatic resistance tester of the present invention;
Fig. 5 is the system construction drawing of the automatic resistance tester of preferred embodiment of the present invention;
Fig. 6 is the circuit system schematic diagram of the automatic resistance tester of preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in more detail.It should be noted that, in these accompanying drawings, all adopt the form of simplifying very much and all use non-ratio accurately, only for convenient, the aid illustration embodiment of the present invention clearly.
Refer to Fig. 1-Fig. 4, automatic resistance tester of the present invention comprises single chip control module 1, resistance measuring module 2, and A/D samples storage module 3, gear is selected module 4, and sorting Standard resistance range arranges module 5, sorting indicating module 6 and display module 7; Wherein: the resistance of testing resistance is converted to voltage signal by resistance measuring module 2, send into A/D samples storage module 3 and carry out digitlization, be sent to again single chip control module 1, single chip control module 1 is controlled gear and is selected module 4 to select suitable gear, and the resistance data recording is shown by the display module 7 being connected with single chip control module 1; Sorting Standard resistance range arranges module 5 and is connected to single chip control module 1, resistance scope to required sorting arranges, the resistance arranging shows by display module 7, single chip control module 1 connects sorting indicating module 6, and single chip control module 1 sorts indicating module 6 testing resistance is divided into and meets and do not meet two classes by the resistance range of the required sorting of the resistance data recording and setting being compared control.After single chip control module 1 compares the resistance scope of the resistance data recording and required sorting, send control signal to sorting indicating module 6, sorting indicating module 6 is divided into testing resistance to meet and do not meet two classes.
In the present embodiment, resistance measuring module 2 adopts LM358 to form R/V circuit, utilizes the disconnected feature of the empty short void of amplifier to measure the resistance of measured resistance, not only can accurately calculate the resistance of measured resistance, and error is very little.A/D samples storage module 3 adopts TLC1543, can make system architecture simple, easy to operate.Single chip control module 1 adopts AT89S51 single-chip microcomputer, and this single-chip microcomputer volume is little, and Resources on Chip is abundant, flexibly practical, is easy to human-computer dialogue.It is 100 Ω, 1k Ω, 10k Ω, 1M Ω fourth gear that gear is selected the measurement range of module 4, and wherein 100 Ω, 1k Ω, 10k Ω third gear range have automatic range translation function.Sorting resistance arranges module and comprises coarse adjustment button K1 and fine tuning button K2, K3, coarse adjustment button K1 selects for dimension, often, by once, just between 10 Ω, 100 Ω, 1k Ω, 10k Ω, 100k Ω, 1M Ω, 10M Ω, switch, complete the setting of preliminary screening conditions; Fine tuning button is divided into that upper limit resistance arranges button K2 and lower limit resistance arranges button K3, and once, its corresponding numerical value can switch every button between 0-9, completes the setting of comparatively accurate required sorting Standard resistance range.Single chip control module 1 according to the set sorting Standard resistance range of the resistance data recording and sorting Standard resistance range module 5 relatively after, send control signal to the indicator lamp in sorting display module 6, in the time that the indicator lamp in sorting indicating module 6 is green light, be satisfactory resistance; In the time that indicator lamp is when red, be undesirable resistance.
In preferred embodiment, automatic resistance tester also comprises numerical value voice broadcast module 8, refer to Fig. 5, Fig. 6, numerical value voice broadcast module 8 is connected with single chip control module 1, the resistance data recording is transferred to numerical value voice broadcast module 8 by single chip control module 1, data message is converted to voice messaging by numerical value voice broadcast module, report out by loudspeaker, determine like this resistance of resistance with regard to not needing operator to stare at liquid crystal display, can operate other things simultaneously, save time and energy.
Disclosed herein is only the preferred embodiments of the present invention, and these embodiment are chosen and specifically described to this description, is in order to explain better principle of the present invention and practical application, is not limitation of the invention.The modifications and variations that any those skilled in the art do within the scope of description, all should drop in the scope that the present invention protects.
Claims (7)
1. an automatic resistance tester, is characterized in that, comprises single chip control module, resistance measuring module, and A/D samples storage module, gear is selected module, and sorting Standard resistance range arranges module, sorting indicating module and display module; Wherein:
The resistance of testing resistance is converted to voltage signal by described resistance measuring module, send into described A/D samples storage module and carry out digitlization, be sent to again described single chip control module, described in described single chip control module control, gear selects module to select suitable gear, and the resistance data recording is shown by the described display module being connected with described single chip control module;
Described sorting Standard resistance range arranges module and is connected to described single chip control module, resistance scope to required sorting arranges, the resistance arranging shows by described display module, described single chip control module connects described sorting indicating module, described single chip control module is by comparing the resistance scope of the required sorting of the resistance data recording and setting, controls described sorting indicating module testing resistance is divided into and meets and do not meet two classes.
2. automatic resistance tester according to claim 1, is characterized in that, described sorting resistance arranges module and comprises coarse adjustment button and fine tuning button;
Described coarse adjustment button is selected for dimension;
Described fine tuning button comprises that upper limit resistance arranges button and lower limit resistance arranges button.
3. automatic resistance tester according to claim 2, is characterized in that, described resistance measuring module adopts LM358 to form R/V circuit.
4. automatic resistance tester according to claim 3, is characterized in that, the model of described A/D samples storage module is TLC1543.
5. automatic resistance tester according to claim 4, is characterized in that, described single chip control module adopts AT89S51 single-chip microcomputer.
6. automatic resistance tester according to claim 5, is characterized in that, described gear selects module to adopt four relays as gear switch.
7. according to the automatic resistance tester described in claim 1 to 6 any one, it is characterized in that, also comprise numerical value voice broadcast module, described voice broadcast module is connected with described single chip control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410331874.5A CN104070024A (en) | 2014-07-14 | 2014-07-14 | Automatic resistance tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410331874.5A CN104070024A (en) | 2014-07-14 | 2014-07-14 | Automatic resistance tester |
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| CN104070024A true CN104070024A (en) | 2014-10-01 |
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| CN201410331874.5A Pending CN104070024A (en) | 2014-07-14 | 2014-07-14 | Automatic resistance tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426879A (en) * | 2020-04-26 | 2020-07-17 | 伟宸科技（武汉）有限公司 | Matching circuit implementation method for resistance measurement |
| CN114289346A (en) * | 2022-01-20 | 2022-04-08 | 西安翼渡电子科技有限公司 | Automatic matching and sorting method for lightning arrester resistor discs |
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| JP2001116782A (en) * | 1999-10-18 | 2001-04-27 | Hioki Ee Corp | Method for controlling insulation resistance tester |
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| CN202506612U (en) * | 2012-03-14 | 2012-10-31 | 李超 | Multifunctional resistance sorting instrument |
| CN202600011U (en) * | 2012-06-15 | 2012-12-12 | 东北石油大学 | Automatic resistance tester |
| CN203955571U (en) * | 2014-07-14 | 2014-11-26 | 苏州经贸职业技术学院 | A kind of automatic resistance tester |
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2014
- 2014-07-14 CN CN201410331874.5A patent/CN104070024A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| JP2001116782A (en) * | 1999-10-18 | 2001-04-27 | Hioki Ee Corp | Method for controlling insulation resistance tester |
| CN201427114Y (en) * | 2009-04-22 | 2010-03-24 | 芜湖根源科技有限公司 | Automatic resistance grading machine of lithium battery nut cap and annular PTC |
| CN202506612U (en) * | 2012-03-14 | 2012-10-31 | 李超 | Multifunctional resistance sorting instrument |
| CN202600011U (en) * | 2012-06-15 | 2012-12-12 | 东北石油大学 | Automatic resistance tester |
| CN203955571U (en) * | 2014-07-14 | 2014-11-26 | 苏州经贸职业技术学院 | A kind of automatic resistance tester |
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| 刘筠筠等: "基于STC89C52单片机的自动电阻测量仪", 《电子世界》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426879A (en) * | 2020-04-26 | 2020-07-17 | 伟宸科技（武汉）有限公司 | Matching circuit implementation method for resistance measurement |
| CN114289346A (en) * | 2022-01-20 | 2022-04-08 | 西安翼渡电子科技有限公司 | Automatic matching and sorting method for lightning arrester resistor discs |
| CN114289346B (en) * | 2022-01-20 | 2024-03-01 | 西安翼渡电子科技有限公司 | Automatic grouping method for lightning arrester resistor discs |
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Application publication date: 20141001 |