CN202471850U - Full-automatic artificial load adjusting device - Google Patents
Full-automatic artificial load adjusting device Download PDFInfo
- Publication number
- CN202471850U CN202471850U CN2011205561907U CN201120556190U CN202471850U CN 202471850 U CN202471850 U CN 202471850U CN 2011205561907 U CN2011205561907 U CN 2011205561907U CN 201120556190 U CN201120556190 U CN 201120556190U CN 202471850 U CN202471850 U CN 202471850U
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- adjusting device
- voltage power
- load adjusting
- interaction interface
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Abstract
The utility model discloses a full-automatic artificial load adjusting device and relates to a device for testing the service life of electrical accessories. The full-automatic artificial load adjusting device comprises a man-machine interaction interface, a current voltage power comprehensive coulombmeter, a PLC (programmable logic controller) and an intermediate control matrix, wherein both the output ends of the man-machine interaction interface and the current voltage power comprehensive coulombmeter are connected with the input end of the PLC; the output end of the PLC is connected with the input end of the intermediate control matrix; the output end of the intermediate control matrix is connected with the input end of an impedance component; and the output end of the impedance component is connected with the input end of the current voltage power comprehensive coulombmeter. The full-automatic artificial load adjusting device has the advantages of being simpler in operation, being able to automatically adjust the impedance component, having no requirement for manual operation during the adjusting process, reducing the testing cost, shortening the testing time, and having higher accuracy in adjustment.
Description
Technical field
The utility model relates to a kind of device of testing the electric accessories life-span, is specifically related to a kind of automatic analog load adjusting device.
Background technology
Along with the development of society, the fictitious load regulating device has been widely used in the life test of various electric accessories (like power switch, power lead, temperature detect switch (TDS) etc.).Referring to shown in Figure 1; The test circuit of existing fictitious load device comprises the required assigned frequency of test and given voltage, tested electric accessories 1a, adjustable condenser 2a, adjustable resistor 3a and adjustable inductance 4a, and wherein adjustable condenser 2a, adjustable resistor 3a and adjustable inductance 4a combine and promptly can be considered the fictitious load regulating device.Test is during appliance life, and the fictitious load regulating device need be regulated the parameter value of each impedance element device, satisfying the required parameter of tested electric accessories 1a, thereby each item performance of tested electric accessories 1a is tested.But there is following shortcoming in existing fictitious load regulating device when test:
Existing fictitious load regulating device is when regulating the parameter value of impedance element device; Need regulate adjustable condenser 2a, adjustable resistor 3a and adjustable inductance 4a manually; Not only operate more complicated, and increased hand labor power, improved testing cost.When regulating, operating personnel have very high requirement to the degree of understanding of fictitious load device.In general; Understand principle of operation and approximately needed two hours just can adjust the required parameter value of tested electric accessories 1a, the unfamiliar operating personnel of fictitious load regulating device are then needed the longer time for one the operating personnel that the fictitious load regulating device is familiar with very much.
In sum, existing fictitious load regulating device is operated more complicated at the test electric accessories during life-span, not only increased hand labor power, has improved testing cost, and has tested consuming time longlyer, and manually-operated degree of regulation is lower.
The utility model content
To the defective that exists in the prior art; The purpose of the utility model is to provide a kind of fairly simple automatic analog load adjusting device of operating; It can regulate the impedance element device automatically, does not need manually-operated during adjusting, has not only reduced testing cost; And the test duration is shorter, and degree of regulation is higher.
For reaching above purpose; The technical scheme that the utility model is taked is: a kind of automatic analog load adjusting device; Comprise the resistance components and parts; Also comprise human-computer interaction interface, the comprehensive voltameter of current/voltage power, logic programmable controller and intermediate controlled matrix; The output terminal of said human-computer interaction interface and the comprehensive voltameter of current/voltage power all is connected with the input end of logic programmable controller; The output terminal of said logic programmable controller is connected with the input end of intermediate controlled matrix, and the output terminal of said intermediate controlled matrix is connected with the input end of resistance components and parts, and the output terminal of said resistance components and parts array is connected with the input end of the comprehensive voltameter of current/voltage power.
On the basis of technique scheme, said human-computer interaction interface comprises control panel, and said control panel adopts touch screen structure.
On the basis of technique scheme, said resistance components and parts comprise tunable capacitor, adjustable resistance and controllable impedance.
The beneficial effect of the utility model is:
1. the utility model is when the life-span of test electric accessories; Operating personnel's parameters value that tested electric accessories is required inputs to human-computer interaction interface; Human-computer interaction interface passes to logic programmable controller (PLC) with the parameter of setting; PLC carries out computing through the program of inside, and exports operation result to the resistance components and parts through the intermediate controlled matrix, thus the parameters value of automatic adjusting group resistance components and parts.Test process only needs about ten minutes time to accomplish.Therefore, the utility model has been realized automation mechanized operation, does not only need the parameter value of manual shift resistance components and parts, has reduced hand labor power, has reduced testing cost, and the operation of robotization to expend the test duration shorter, degree of regulation is higher.
2. the utility model feeds back to PLC through the comprehensive voltameter of current/voltage power with the parameters value of resistance components and parts, and the internal processes of PLC compares the setting value on value of feedback and the human-computer interaction interface, readjusts output according to comparative result then.Therefore, the utility model is repeatedly adjusted output through the comprehensive voltameter of current/voltage power to the feedback of resistance component parameter value, makes the parameter value of group resistance components and parts meet the required parameter value of tested electric accessories more, and degree of regulation is higher.
3. the control panel of the utility model human-computer interaction interface adopts touch screen structure, and operating personnel only need on touch-screen, to import the desired parameters value of tested electric accessories and get final product, and operation is simple.
Description of drawings
Fig. 1 is the test circuit figure of the utility model background technology;
Fig. 2 is the workflow diagram of the utility model embodiment.
Among the figure: the tested electric accessories of 1a-, 2a-adjustable condenser, 3a-adjustable resistor, 4a-adjustable inductance;
1-resistance components and parts, 2-human-computer interaction interface, the comprehensive voltameter of 3-current/voltage power, 4-logic programmable controller, 5-intermediate controlled matrix.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explain.
Referring to shown in Figure 2, the automatic analog load adjusting device among the utility model embodiment comprises the comprehensive voltameter of resistance components and parts 1, human-computer interaction interface 2, current/voltage power 3, logic programmable controller 4 and intermediate controlled matrix 5.The control panel of human-computer interaction interface 2 adopts touch screen structure, and operating personnel only need on touch-screen, to export the desired parameters value of tested electric accessories and get final product.The output terminal of human-computer interaction interface 2 and the comprehensive voltameter 3 of current/voltage power all is connected with the input end of logic programmable controller 4; The output terminal of logic programmable controller 4 is connected with the input end of intermediate controlled matrix 5; The output terminal of intermediate controlled matrix 5 is connected with the input end of resistance components and parts 1, and the output terminal of resistance components and parts array 1 is connected with the input end of the comprehensive voltameter 3 of current/voltage power.Resistance components and parts array 1 comprises tunable capacitor, adjustable resistance and controllable impedance, and the parameters value of group resistance components and parts can be regulated through the computing of logic programmable controller 4 and the control of intermediate controlled matrix 5 automatically.
The utility model work engineering is following:
(1) output: operating personnel set the desired parameters value of electric accessories to be tested through human-computer interaction interface 2, as: voltage, electric current, power factor etc.;
(2) computing: human-computer interaction interface 2 passes to logic programmable controller 4 with the parameter of setting through data connecting line, and logic programmable controller 4 carries out preliminary computing through its internal processes;
(3) regulate: logic programmable controller 4 exports operation result to resistance components and parts 1 through intermediate controlled matrix 5, thus the parameters value of automatic adjusting group resistance components and parts 1.
(4) feedback and comparison operation: the comprehensive voltameter 3 of current/voltage power feeds back to logic programmable controller 4 with the parameters value of resistance components and parts 1; The internal processes of logic programmable controller 4 compares the setting value of value of feedback and human-computer interaction interface 2, readjusts output according to comparative result then.
The utility model is repeatedly adjusted the parameters value of resistance components and parts 1 through output-computing-adjusting-feedback-comparison operation-mode of regulating once more, draws one at last the most near the required impedance state of tested electric accessories.Through test, the utility model promptly can be realized 2% degree of regulation through 2 to 4 self-regulating steps.
The utility model can realize that electrical apparatus test is with fictitious load cabinet voltage 110V
AC～600V
AC, electric current 1A～200A, power factor 0.3～1, frequency 50HZ～60HZ one-touch switching, not only easy to use, the equipment governing speed is very fast, and has reduced the requirement to operating personnel significantly, has reduced the running time, degree of regulation is higher.
The utility model not only is confined to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (3)
1. automatic analog load adjusting device; Comprise resistance components and parts (1); It is characterized in that: also comprise human-computer interaction interface (2), the comprehensive voltameter of current/voltage power (3), logic programmable controller (4) and intermediate controlled matrix (5); The output terminal of said human-computer interaction interface (2) and the comprehensive voltameter of current/voltage power (3) all is connected with the input end of logic programmable controller (4); The output terminal of said logic programmable controller (4) is connected with the input end of intermediate controlled matrix (5); The output terminal of said intermediate controlled matrix (5) is connected with the input end of resistance components and parts (1), and the output terminal of said resistance components and parts array (1) is connected with the input end of the comprehensive voltameter of current/voltage power (3).
2. automatic analog load adjusting device as claimed in claim 1 is characterized in that: said human-computer interaction interface (2) comprises control panel, and said control panel adopts touch screen structure.
3. automatic analog load adjusting device as claimed in claim 1 is characterized in that: said resistance components and parts (1) comprise tunable capacitor, adjustable resistance and controllable impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205561907U CN202471850U (en) | 2011-12-28 | 2011-12-28 | Full-automatic artificial load adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205561907U CN202471850U (en) | 2011-12-28 | 2011-12-28 | Full-automatic artificial load adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471850U true CN202471850U (en) | 2012-10-03 |
Family
ID=46920002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205561907U Expired - Fee Related CN202471850U (en) | 2011-12-28 | 2011-12-28 | Full-automatic artificial load adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645358A (en) * | 2013-12-16 | 2014-03-19 | 天津市鑫鼎源科技发展有限公司 | Matrix load device |
-
2011
- 2011-12-28 CN CN2011205561907U patent/CN202471850U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645358A (en) * | 2013-12-16 | 2014-03-19 | 天津市鑫鼎源科技发展有限公司 | Matrix load device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20171228 |