CN201156075Y - Automatic detection instrument of photoelectric approach switch - Google Patents
Automatic detection instrument of photoelectric approach switch Download PDFInfo
- Publication number
- CN201156075Y CN201156075Y CNU2008200657070U CN200820065707U CN201156075Y CN 201156075 Y CN201156075 Y CN 201156075Y CN U2008200657070 U CNU2008200657070 U CN U2008200657070U CN 200820065707 U CN200820065707 U CN 200820065707U CN 201156075 Y CN201156075 Y CN 201156075Y
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- photoelectricity
- power supply
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Abstract
An automatic photoelectric proximity switch detector is characterized in that the detector comprises a power supply, a load voltage meter 6, a measuring switch 7, a load 8, a load current meter 9 and a load indicator lamp 10. The power supply is connected with the load 8 to form a loop. The load current meter 6 is connected with the load 8 in parallel. The load current meter 9 and the load indicator lamp 10 are connected in series with the loop of the power supply and the load 8. The measuring switch 7 and the tested photoelectric proximity switch M are respectively connected with both ends of the load voltage meter 6 in parallel. The detector can effectively reduce the equipment failure rate caused by the photoelectric proximity switch, reduce equipment maintenance and repairing time and sufficiently ensure timeliness and accuracy of equipment during operation.
Description
Technical field
The utility model relates to a kind of photoelectricity near the switch automatic tester, voltage, electric current and optoelectronic switch state when this instrument can directly detect load under dynamic load-carrying situation.This instrument can detect two lines, three-way, five lines are often opened, normally closed near switch and often open, the dynamic duty situation of normally closed all kinds of optoelectronic switches.
Background technology
At present more and more near switch control of utilization photoelectricity in the control laboratory equipment are respectively changed at the quality inspection center, though photoelectricity has improved the running precision of equipment near switch with characteristics such as its precision height, control are flexible, have also increased the trouble spot of equipment simultaneously.According to trouble shooting record statistics, the failure rate that is caused near switch by photoelectricity in each sample making apparatus of steel-making laboratory is up to 70%-80%.How effectively reducing equipment failure rate that photoelectricity brings near switch, reducing the overhaul of the equipments time is problem anxious to be solved at present.Each is changed control laboratory and can be in any more near the equipment failure that switch brings by photoelectricity, analyze reason and mainly contain following 4 factors: 1, photoelectricity is introduced from producer near switch and just can not be guaranteed 100% qualification rate, some injections that can not normally use wherein must be arranged inside, will bring potential faults in case change on the equipment.2, when equipment breaks down, the maintenance personal often only relies on and by means of experience trouble spot photoelectricity is changed near switch and ignored the factor of other initiating failure, does not only deal with problems, and has delayed the overhaul of the equipments time, but also has caused the waste of spare part.3, when changing photoelectricity near switch, overhaul of the equipments can not guarantee the photoelectricity changed up quality near switch.4, some optoelectronic switch is normal when Static Detection, just not necessarily can normally use but apply to duty following time.
Summary of the invention
The purpose of this utility model is at above-mentioned situation, provides a kind of photoelectricity near the switch automatic tester, is specifically designed to detect the instrument of various photoelectricity near switch, thoroughly addresses this problem.
The technical solution of the utility model: a kind of photoelectricity is near the switch automatic tester, it is characterized in that: it comprises power supply, load voltage table 6, measuring switch 7, load 8, load current table 9 and load pilot lamp 10, power supply and load 8 connect and compose the loop, load voltage table 6 is in parallel with load 8, load current table 9 and load pilot lamp 10 are connected in the loop of power supply and load 8, and measuring switch 7 and tested photoelectricity are connected in parallel on the two ends of load voltage table 6 near switch M.
Aforesaid photoelectricity is characterized in that near the switch automatic tester: measuring switch 7 is many grades of selective switchs.
Aforesaid photoelectricity is near the switch automatic tester, it is characterized in that: described power supply is made of rectifier power source and battery, rectifier power source comprises transformer 1, rectifier 3 and exchanges pilot lamp 4, connects rectifier power source and battery by AC-DC conversion switch 2.1/2.2 conversion.
Photoelectricity of the present utility model is near the switch automatic tester, and whole instrument is support with photoelectricity near the principle of work of switch, and the displayed value of the current voltmeter when using Photoelectric Detection is confirmed the quality of photoelectricity near switch.Four switches in the middle of the instrument panel are to detect the selector switch of photoelectricity near switchtype, be respectively two lines near switch, three-way near switch, five lines near switch and optoelectronic switch.Four selector switch are normally open when these shelves of no use detect, and just press this switch as must detect with which shelves the time to get final product.When instrument inserted the photoelectricity often open and detects near switch, the load pilot lamp did not work, and when reometer and voltage table do not move, shows that this switch is bad; Otherwise show that this switch is working properly.When the normally closed photoelectricity of instrument access detected near switch, load this moment pilot lamp should extinguish, and shows that switch is normal.If pilot lamp still is bright, then this switch is bad.
Beneficial effect: the technical program has been utilized the principle of work of photoelectricity near switch, the photoelectricity of different model is linked in the automatic tester near switch (has the on-position explanation of different model photoelectricity near switch) on the instrument, just can judge the quality of this photoelectricity near switch by the action of load pilot lamp, electric current and voltage table on the instrument.Because photoelectricity is developed near the switch principle of work by photoelectricity near the switch automatic tester, precision can guarantee fully on detecting.By the practical application at work of this instrument, effect also is very tangible.
Before not using this automatic tester, sample making apparatus and wind send equipment because the fault that photoelectricity causes near switch accounts for 68.5% of all kinds of fault sums, the corrective maintenance time that causes thus accounts for 43.8% of the major overhaul time, and this type of fault has had a strong impact on the normal operation of equipment as can be seen.After using the optoelectronic switch automatic tester now, sample making apparatus and wind send equipment and are reduced to 15.4% because the fault that photoelectricity causes near switch accounts for the ratio of all kinds of fault sums, the ratio that the corrective maintenance time that causes thus accounts for the major overhaul time is reduced to 13.7%, laboratory promptness rate and accuracy rate have fully been guaranteed, reach our the set goal value, also guaranteed carrying out smoothly of production simultaneously greatly.The life of enterprise is profit, and the quality and the quantity of product is depended in the source of profit, and the premium properties of equipment has guaranteed the quality and the quantity of product, and the invisible economic benefit of being brought is huge, has proved that this cover instrument of our developments is very successful.
Description of drawings
Fig. 1---the circuit theory diagrams of the utility model embodiment.
Fig. 2---be that photoelectricity is near switch automatic detection instrument operation card sketch.
Embodiment
The explanation of mark among Fig. 1: the 1-transformer, 2.1/2.2-AC-DC conversion electric switch, the 3-rectifier, 4-exchanges pilot lamp, the 5-battery, 6-load voltage table, the 7-measuring switch, the 8-load, 9-load current table, 10-load pilot lamp, the tested photoelectricity of M-is near switch.
Below in conjunction with drawings and Examples the utility model is described further.
Referring to Fig. 1, the photoelectricity of the utility model embodiment is characterized in that near the switch automatic tester; It comprises power supply, load voltage table 6, measuring switch 7, load 8, load current table 9 and load pilot lamp 10, power supply and load 8 connect and compose the loop, load voltage table 6 is in parallel with load 8, load current table 9 and load pilot lamp 10 are connected in the loop of power supply and load 8, and measuring switch 7 and tested photoelectricity are connected in parallel on the two ends of load voltage table 6 near switch M.
Be made of rectifier power source and battery can AC/DC for power supply in the present embodiment, and rectifier power source comprises transformer 1, alternating current switch 2.1, rectifier 3 and exchange pilot lamp 4 that battery uses when portable as standby.Changing by the AC-DC conversion switch 2.1/2.2 among Fig. 1, is switch 1 on the panel of Fig. 2.Measuring switch 8 is 4 grades of selective switchs, is respectively switch 2～switch 5 (see figure 2)s.
This TV station (portable) AC/DC optoelectronic switch detector utilizes the principle of work of photoelectricity near switch.Voltage, electric current and optoelectronic switch state in the time of under dynamic load-carrying situation, directly detecting load.This instrument can detect two lines, three-way, five lines are often opened, normally closed near switch and often open, the dynamic duty situation of normally closed all kinds of optoelectronic switches.
1, (as accompanying drawing 1 and accompanying drawing 2) used range of AC power table is 0-250V in the instrument, and load voltage table 7 range is 0-30V, and load current table 10 range is 0-500mA, and the selected range of three tables all within the limits prescribed.Switch 1 among Fig. 2 is the dual-purpose switch of AC and DC.When detecting, if use is AC power, then press ac power switch, it is bright that exchange pilot lamp this moment; If do not having under the situation of AC power, then to press DC power supply switch and be converted to the direct current supply pattern, also can carry out the detection of optoelectronic switch this moment, at this moment exchanges pilot lamp and extinguish.This switch is set can all can be detected under regardless of the situation that AC-less power is arranged easily.What direct supply was selected for use is that 4 6V batteries are powered.
2, in the accompanying drawing 2 the load pilot lamp can show photoelectricity near switch normally closed or whether often go into operation when doing normally.When not detecting, lamp is bright when inserting normally closed switch, and lamp does not work when inserting normal open switch.The effect of load pilot lamp can be told the quality of user institute detector switch.
3,5 four switches of switch 2～switch in the middle of accompanying drawing 2 panels are to detect the selector switch of photoelectricity near switchtype, be respectively two lines near switch, three-way near switch, five lines near switch and optoelectronic switch.Four selector switch are normally open when these shelves of no use detect, and just press this switch as must detect with which shelves the time to get final product.
4, bottom row's connection terminal is the connection jaws of detected switch in accompanying drawing 2 panels, connects photograph "+", "-" utmost point and " OUT (output) " connection during detector switch corresponding switch is inserted one by one.As what detect is that two lines insert near switch two lines during near switch and indicate the connection terminal of two lines near switch by rule, more corresponding two lines is pressed and can be detected near the switch selector switch.
When 5, the photoelectricity of often opening when access detected near switch, the load pilot lamp did not work, and when reometer and voltage table do not move, shows that this switch is bad; Otherwise show that this switch is working properly.When the normally closed photoelectricity of access detected near switch, load this moment pilot lamp should extinguish, and shows that switch is normal.If pilot lamp still is bright, then this switch is bad.
Claims (3)
1 one kinds of photoelectricity are near the switch automatic tester, it is characterized in that: it comprises power supply, load voltage table (6), measuring switch (7), load (8), load current table (9) and load pilot lamp (10), power supply and load (8) connect and compose the loop, load voltage table (6) is in parallel with load (8), load current table (9) and load pilot lamp (10) are connected in the loop of power supply and load (8), and measuring switch (7) and tested photoelectricity are connected in parallel on the two ends of load voltage table (6) near switch (M).
2, photoelectricity as claimed in claim 1 is characterized in that near the switch automatic tester: measuring switch (7) is many grades of selective switchs.
3, photoelectricity as claimed in claim 1 or 2 is near the switch automatic tester, it is characterized in that: described power supply is made of rectifier power source and battery, rectifier power source comprises transformer (1), rectifier (3) and exchanges pilot lamp (4), connects rectifier power source and battery by AC-DC conversion switch (2.1/2.2) conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200657070U CN201156075Y (en) | 2008-02-21 | 2008-02-21 | Automatic detection instrument of photoelectric approach switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200657070U CN201156075Y (en) | 2008-02-21 | 2008-02-21 | Automatic detection instrument of photoelectric approach switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201156075Y true CN201156075Y (en) | 2008-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200657070U Expired - Fee Related CN201156075Y (en) | 2008-02-21 | 2008-02-21 | Automatic detection instrument of photoelectric approach switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201156075Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122498A (en) * | 2013-04-28 | 2014-10-29 | 上海工程技术大学 | Photoelectric approach switch motion distance detection system |
| CN104237775A (en) * | 2013-06-21 | 2014-12-24 | 上海工程技术大学 | Mechanical system for intelligently detecting operation frequency of proximity switch |
| CN105004991A (en) * | 2015-08-11 | 2015-10-28 | 中国三冶集团有限公司 | Rapid debugging method for DC 24V proximity switch |
| CN106154151A (en) * | 2016-08-25 | 2016-11-23 | 康力电梯股份有限公司 | A kind of fill-in light electrical measurement test stand |
-
2008
- 2008-02-21 CN CNU2008200657070U patent/CN201156075Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122498A (en) * | 2013-04-28 | 2014-10-29 | 上海工程技术大学 | Photoelectric approach switch motion distance detection system |
| CN104122498B (en) * | 2013-04-28 | 2017-02-08 | 上海工程技术大学 | Photoelectric approach switch motion distance detection system |
| CN104237775A (en) * | 2013-06-21 | 2014-12-24 | 上海工程技术大学 | Mechanical system for intelligently detecting operation frequency of proximity switch |
| CN105004991A (en) * | 2015-08-11 | 2015-10-28 | 中国三冶集团有限公司 | Rapid debugging method for DC 24V proximity switch |
| CN106154151A (en) * | 2016-08-25 | 2016-11-23 | 康力电梯股份有限公司 | A kind of fill-in light electrical measurement test stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20140221 |