CN103903899B - A kind of contactless crossbar switch - Google Patents
A kind of contactless crossbar switch Download PDFInfo
- Publication number
- CN103903899B CN103903899B CN201410117170.8A CN201410117170A CN103903899B CN 103903899 B CN103903899 B CN 103903899B CN 201410117170 A CN201410117170 A CN 201410117170A CN 103903899 B CN103903899 B CN 103903899B
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- proximity switch
- contactless proximity
- contactless
- metal cylinder
- cylinder connecting
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Abstract
The invention discloses a kind of contactless crossbar switch, it comprises operating grip (1), operating grip (1) connecting handle detent mechanism (2), handle positioning mechanism (2) there are 4 metal cylinder connecting rods (3), be characterized in, divide into contactless proximity switch mount pad (4) at handle positioning mechanism (2), 4 holes are opened, the center line one_to_one corresponding of the center line in 4 holes and 4 metal cylinder connecting rods (3) in upper corresponding metal cylinder connecting rod (3) position of contactless proximity switch mount pad (4); In 4 holes of contactless proximity switch mount pad (4), penetrate contactless proximity switch (6), 4 contactless proximity switch (6) are uniform in 90 °, corresponding with metal cylinder connecting rod (3) position respectively; Contactless proximity switch (6) is by designing requirement wiring; Decrease downtime, decrease spare part expense, improve equipment precision, ensure that equipment direct motion, improve economic benefit.
Description
Technical field:
The present invention relates to field of electromechanical technology, specifically a kind of contactless crossbar switch, for substituting old-fashioned mechanical sound contact crossbar switch, the control of electric equipment can be widely used in.
Background technology:
Crossbar switch, as the term suggests be exactly that this switching manipulation handle can front, rear, left and right, four direction " ten " word operation, during any position operation operating grip, the detent mechanism of operating grip makes (spring) connecting rod (metal cylinder) stretch out by set stroke, the moving contact of relevant position is depressed, moving contact and fixed contact is made to close or disconnect, when operating grip returns meta (i.e. zero-bit), the connecting rod of detent mechanism is retracted original position under the active force of its spring, make moving contact involution previous status, thus control relevant device action and stopping.
Machinery sound contact crossbar switch is due to its small volume, install, easy to operate, cordwood system type contact shoe is stackable at most to 4 layers, it is 8 right mechanical type sound contact can be expanded to, so be widely used in electric equipment controls, as charging, the discharging manipulator of rotary heating furnace, the control of furnace bottom transmission, the control etc. of punch, planisher ontology alignment system; Along with the improving constantly of production capacity and rhythm of production, PLC control popularization and application, this mechanical sound contact crossbar switch more and more can not meet the demand that PLC controls continuous productive process.For the discharging manipulator crossbar switch of existing rotary heating furnace, often catch from rotary heating furnace this crossbar switch of hot steel billet will at least before and after each action once, produce 800 steel pipes by class to calculate, frequency of operation is very high, so Frequent Troubles in application process, the sound contact actuating mechanism positioning of such as Inner plastic quality, cracked, wearing and tearing, stuck.Be again, along with the increase of service time and the impact of field working conditions, sound contact can constantly oxidation be stained, and the contact resistance of sound contact is increased, pressure drop increases, for DC24V voltage, signal directly enters the control of PLC digital quantity input module, and this crossbar switch other what will be caused all not have bad, input signal is not had exactly during operation, all right after changing a new crossbar switch, and the crossbar switch rolled off the production line one can only abandon it, waste spare part expense.And investigate fault and change crossbar switch all can produce the downtime, impact produce carry out smoothly and economic benefit improve.
Summary of the invention:
The object of the invention is the deficiency overcoming above-mentioned prior art, and a kind of contactless crossbar switch is provided; Mainly solve existing mechanical sound contact crossbar switch easy break-down and affect the problems such as equipment normally runs.
Technical scheme of the present invention is: a kind of contactless crossbar switch, it comprises operating grip, operating grip connecting handle detent mechanism, handle positioning mechanism there are 4 metal cylinder connecting rods, its special character is, divide into contactless proximity switch mount pad at handle positioning mechanism, on contactless proximity switch mount pad, corresponding metal cylinder connecting rod position opens 4 holes, the center line one_to_one corresponding of the center line in 4 holes and 4 metal cylinder connecting rods; In 4 holes of contactless proximity switch mount pad, penetrate contactless proximity switch, 4 contactless proximity switch be 90 ° uniform, corresponding with metal cylinder connecting rod position respectively; Contactless proximity switch is by designing requirement wiring.
Compared with the prior art a kind of contactless crossbar switch of the present invention has outstanding substantive distinguishing features and marked improvement, 1, adopt standard component contactless proximity switch, this switch is one of Automated condtrol application sensors, along with the develop rapidly of sensor technology, the less more excellent performance that transducer can do, it is fast that this proximity switch has response, precision is high, frequency is high, anti-interference, life-span is long, band LED action indicator, the advantages such as supply voltage wide ranges, and directly can enter the digital quantity input module of PLC, conveniently meet various Automated condtrol demand, contactless, contactless proximity switch and mechanical type dynamic/static contact formula contact signal transmission are as different as light from darkness, contactless without wearing and tearing non-contact resistance, this proximity switch is non-maintaining, fundamentally solve the contact actuating mechanism positioning of former mechanical sound contact crossbar switch Inner plastic quality, cracked, wearing and tearing, stuck, contact oxidation stained contact resistance such as constantly to increase at the drawback, 2, structure is simple, flexible operation, because of contact shoe, mechanical part is more more at most, and probability of failure is larger, and operation resistance is larger, and this is contactless, and nearly 4 lamination wood installing type sound contact shoes abandoned by crossbar switch, and structure becomes simple and clear, and flexible operation is reliable, 3, maintenance maintenance cost reduces greatly, this contactless proximity switch only otherwise by outside destroy, be no more than rated operational voltage, can not damage, does not need to safeguard, just in case which contactless proximity switch corrupted, can only change this switch, and without the need to changing whole crossbar switch, 4, decrease downtime, decrease spare part expense, improve equipment precision, ensure that equipment direct motion, improve economic benefit.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
In figure, 1, operating grip 2, handle positioning mechanism 3, metal cylinder connecting rod 4, contactless proximity switch mount pad 5, contactless proximity switch mount pad fixed screw 6, contactless proximity switch 7, contactless proximity switch hold-down nut.
Embodiment:
In order to Comprehension and Implementation better, provide specific embodiment below in conjunction with accompanying drawing and describe a kind of contactless crossbar switch of the present invention in detail; Illustrated embodiment, only for explaining the present invention, is not for limiting the scope of the invention.
Embodiment 1, see Fig. 1, is processed into operating grip 1 and handle positioning mechanism 2, the metal cylinder connecting rod 3 that handle positioning mechanism 2 carries, and operating grip 1 connecting handle detent mechanism 2, handle positioning mechanism 2 has 4 metal cylinder connecting rods 3, be processed into contactless proximity switch mount pad 4, on contactless proximity switch mount pad 4,4 holes are opened in corresponding metal cylinder connecting rod 3 position, make the center line in 4 holes and the center line one_to_one corresponding of 4 metal cylinder connecting rods 3, the diameter in the height of contactless proximity switch mount pad 4 and 4 holes is determined with the model of free contactless proximity switch 6, 4 contactless proximity switch 6 selected in the present embodiment, for entire body screw thread, total length 40mm(is not containing lead-out wire), diameter 8mm, flush installing type, degree of protection IP67, supply power voltage is DC10 ~ 30V, 3 line systems, actual induction operating distance is 2mm, band action indication LED indicator light, PNP open type (and can control to need to select PNP or NPN according to PLC type number, often open or closed type), why selecting and flush installing type and do not select the flat installing type of non homogeneity, is because consider that 4 contactless proximity switch 6 are installed compact, prevents false sense from the electromagnetic interference using scene, should more meet EMC standard, so the height of contactless proximity switch mount pad 4 is 35mm in the present embodiment, 4 opening diameters are 8mm, then with 4 contactless proximity switch mount pad fixed screws 5, contactless proximity switch mount pad 4 is fixed on handle positioning mechanism 2, again 4 contactless proximity switch 6 are penetrated one by one from 4 of contactless proximity switch mount pad 4 holes, 4 contactless proximity switch 6 are uniformly distributed in 90 °, adjustment contactless proximity switch 6 responds to the distance on end face and handle positioning mechanism 2 between metal cylinder connecting rod 3 end face one by one, after suggestion is stretched out with metal cylinder connecting rod 3, it is that 1.5mm is advisable that metal cylinder connecting rod 3 end face and contactless proximity switch 6 respond to distance between end face, now the action indication LED indicator light of contactless proximity switch 6 should be lighted, after operating grip 1 time meta (i.e. zero-bit), on handle positioning mechanism 2, metal cylinder connecting rod 3 is retracted original position under the active force of its spring, now the action indication LED indicator light of contactless proximity switch 6 should extinguish, then contactless proximity switch 6 is fastened with contactless proximity switch hold-down nut 7 two ends are standby, finally contactless proximity switch 6 is connected with the digital quantity input module of PLC by wire, the CPU of PLC carries out the routine processes of being correlated with.
One of the present invention is contactless crossbar switch, during work, manually " ten " word operates operating grip all around, on handle positioning mechanism, the metal cylinder connecting rod of correspondence position will stretch out by set stroke, the contactless proximity switch of correspondence position will sense the metal cylinder connecting rod stretched out, then contactless proximity switch trigger action; When operating operating grip and returning meta (i.e. zero-bit), on handle positioning mechanism, the metal cylinder connecting rod of correspondence position will be retracted original position under the active force of its spring, be greater than the induction operating distance of contactless proximity switch, just induction is less than the metal cylinder connecting rod of retracting for the contactless proximity switch of correspondence position, then contactless proximity switch stops trigger action.Signal is directly introduced the digital quantity input module of PLC by contactless proximity switch by wire, the CPU of PLC carries out the routine processes of being correlated with, and reaches the object that equipment controls.
Claims (1)
1. a contactless crossbar switch, it comprises operating grip (1), operating grip (1) connecting handle detent mechanism (2), handle positioning mechanism (2) has 4 metal cylinder connecting rods (3), it is characterized in that, 4 described metal cylinder connecting rods (3) are all provided with spring; Contactless proximity switch mount pad (4) is divided at handle positioning mechanism (2), 4 holes are opened, the center line one_to_one corresponding of the center line in 4 holes and 4 metal cylinder connecting rods (3) in upper corresponding metal cylinder connecting rod (3) position of contactless proximity switch mount pad (4); In 4 holes of contactless proximity switch mount pad (4), penetrate contactless proximity switch (6), 4 contactless proximity switch (6) are uniform in 90 °, flush installing type, corresponding with metal cylinder connecting rod (3) position respectively; Contactless proximity switch (6) is by designing requirement wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117170.8A CN103903899B (en) | 2014-03-27 | 2014-03-27 | A kind of contactless crossbar switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117170.8A CN103903899B (en) | 2014-03-27 | 2014-03-27 | A kind of contactless crossbar switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103903899A CN103903899A (en) | 2014-07-02 |
| CN103903899B true CN103903899B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410117170.8A Expired - Fee Related CN103903899B (en) | 2014-03-27 | 2014-03-27 | A kind of contactless crossbar switch |
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| Country | Link |
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| CN (1) | CN103903899B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485103Y (en) * | 2001-04-30 | 2002-04-10 | 中国第一汽车集团公司 | Operating handle with contactless switch for casting apparatus |
| CN102331737A (en) * | 2011-07-23 | 2012-01-25 | 烟台鲁宝钢管有限责任公司 | Electronic cam master controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044020U (en) * | 1988-10-29 | 1989-09-06 | 李纯库 | Auto-reset mechanism for cross swithc |
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2014
- 2014-03-27 CN CN201410117170.8A patent/CN103903899B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485103Y (en) * | 2001-04-30 | 2002-04-10 | 中国第一汽车集团公司 | Operating handle with contactless switch for casting apparatus |
| CN102331737A (en) * | 2011-07-23 | 2012-01-25 | 烟台鲁宝钢管有限责任公司 | Electronic cam master controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103903899A (en) | 2014-07-02 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| 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: 20160302 Termination date: 20210327 |