CN202400585U - Belt conveying pull-cord switch address recognition device - Google Patents
Belt conveying pull-cord switch address recognition device Download PDFInfo
- Publication number
- CN202400585U CN202400585U CN2011205271618U CN201120527161U CN202400585U CN 202400585 U CN202400585 U CN 202400585U CN 2011205271618 U CN2011205271618 U CN 2011205271618U CN 201120527161 U CN201120527161 U CN 201120527161U CN 202400585 U CN202400585 U CN 202400585U
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- address
- signal generator
- address signal
- pull
- pull switch
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Abstract
The utility model relates to a belt conveying pull-cord switch address recognition device, which comprises address signal generators and an address recognizer. Each pull-cord switch is provided with one address signal generator, each address signal generator is serially connected with a normally-open contact of the pull-cord switch through a resistor, the outer end of each resistor serves as a positive signal output end of the corresponding address signal generator, and the outer end of each normally-open contact of the pull-cord switch serves as a negative signal output end of the corresponding address signal generator. The resistor R1 of the first address signal generator is serially connected with the normally-open contact J1 of the first pull-cord switch and then is connected to a signal input end of the address recognizer, the positive signal output end of the next address signal generator is connected to a serially connected point of the resistor of the preceding address signal generator and the normally-open contact of the corresponding pull-cord switch, namely, the resistors of the address signal generators of the N pull-cord switches are serially connected, the negative signal output ends of the address signal generators of the N pull-cord switches are connected to a negative signal input end of the address recognizer, and a normally-closed contact of each pull-cord switch serves as a belt conveying main return circuit switch.
Description
Technical field
The utility model relates to a kind of belt and carries the pull switch address recognition unit; Be to be used for band conveyor, shuttle conveyer, shirt rim formula feed conveyer, bucket elevator; Packaging production line, windrow/get material system, a kind of fender guard that device context emergency episodes such as hoisting crane, excavating machine, steamer loading and unloading system, horizontal feeder stop.
Background technology
Band conveyor, shuttle conveyer, shirt rim formula feed conveyer, bucket elevator; Packaging production line, windrow/get material system; When device context emergency episode generations such as hoisting crane, excavating machine, steamer loading and unloading system, horizontal feeder need to stop; At present pull switch mainly contains 2 kinds of forms, and 1, coventional type: single stay cord triggers.2, the stay cord of band bus address triggers.Discern with bus address.Existing problems: be used for the pull switch on the belt, tens sometimes, reach several kms.When switch actuating being arranged or fault being arranged, when master cock of the same type for a long time, as judging which triggering or that position rapidly problem is arranged, be not the part nothing the matter, often need the time more than 30 minutes (not very walking the time).And pull switch is a safety guard, does not allow short circuit, and long-time maintenance will cause production loss.For this reason, solution has: 1, second kind of pull switch be installed, when some switch triggering, its address signal sent remove Central Control Room simultaneously.This mode has several problems: the switch cost is high, and cable cost is high, and each switch needs the address independently is set, complex equipments, and fault is more.2, each pull switch is independently advanced Central Control Room, this mode causes cable cost high, and the Central Control Room hardware cost increases.
Summary of the invention
The purpose of the utility model is that design is a kind of simple, and few with cable, antijamming capability is strong, and the belt that cost is low is carried the pull switch address recognition unit.
The technical scheme of the utility model: the belt of the utility model carries the pull switch address recognition unit to comprise address signal generator and Address Recognition device; Each pull switch is provided with an address signal generator; Address signal generator is connected with the open contact of pull switch by resistance; The resistance outer end is as address signal generator signal output anode, and the outer end of the open contact of pull switch is as address signal generator signal output negative terminal; The resistance R 1 of first address signal generator and the signal input part that is connected to the Address Recognition device after the open contact J1 of first pull switch connects; The address signal generator signal output anode of back is connected on the polyphone contact of resistance and pull switch open contact of previous address signal generator; Be the resistance series connection of the address signal generator of N pull switch, the signal output negative terminal of the address signal generator of N pull switch all is connected to the signal input negative terminal of Address Recognition device; The normally closed contact of pull switch is carried the major loop switch as belt.
Described Address Recognition device comprises central processor CPU, and the signal output part of central processor CPU is connected with nixie display, and the signal output part of central processor CPU also is connected with the BCD conv.
The advantage of the utility model:
All address signal generators of the utility model are series connection, only increase the 2-3 root than one with line.It will be discerned the address of coming and use numeric display, and deliver to master control room with binary-coded decimal, relevant personnel's understanding location of accident that can come into plain view.Even there is the problem maintainer promptly to know being that which switch has problem, use the time spent only to need a few minutes (not very walking the time) through triggering several sections pull switches.The main contact of the utility model is appointed the former forceful electric power of right usefulness loop, and safety performance does not subtract.Address generator takes out energizing signal through isolating, send to the Address Recognition device.Address Recognition device disturbance rejection is strong, calculates the back with the numeric display switch address and change into binary-coded decimal and deliver to Central Control Room.It is also advantageous in that field apparatus is simple, basic trouble free, and few with cable, cost is low.
Description of drawings
Fig. 1 is the electrical schematic diagram of the utility model.
The specific embodiment
Specify the specific embodiment of the utility model below in conjunction with accompanying drawing:
Fig. 1 is the electrical schematic diagram of the utility model; The belt of the utility model carries the pull switch address recognition unit to comprise address signal generator and Address Recognition device; Each pull switch is provided with an address signal generator; Address signal generator is connected with the open contact of pull switch by resistance, and the resistance outer end is as address signal generator signal output anode, and the outer end of the open contact of pull switch is as address signal generator signal output negative terminal; The resistance R 1 of first address signal generator and the signal input part that is connected to the Address Recognition device after the open contact J1 of first pull switch connects; The address signal generator signal output anode of back is connected on the polyphone contact of resistance and pull switch open contact of previous address signal generator; Be provided with N pull switch; After N address signal generator comprises resistance R N and the open contact JN of first pull switch connects; Resistance R N connects with a preceding N-1 resistance, is received the signal input anode of Address Recognition device by first resistance R 1.Be the resistance series connection of the address signal generator of N pull switch, the signal output negative terminal of the address signal generator of N pull switch all is connected to the signal input negative terminal of Address Recognition device; The normally closed contact of pull switch is carried the major loop switch as belt.Usually adorn a pull switch for per 30 meters.
Described Address Recognition device comprises central processor CPU, and central processor CPU is according to the position of series resistance number difference pull switch.When that stay cord touched, its open contact was closed, and this signal is to the negative wire short circuit, and the Address Recognition device has known that promptly several resistance insert, and by that analogy when N pull switch shake-up, existing N R series connection inserts, thereby calculates that switch actuating.When there not being pull switch to touch, whole signal is entered as open circuit.
The signal output part of central processor CPU is connected with nixie display, shows location of accident.The signal output part of central processor CPU also is connected with the BCD conv, and delivers to master control room with binary-coded decimal, relevant personnel's understanding location of accident that can come into plain view.
When emergency episode took place, pull switch of any place pulling along the line at the scene all can send shutdown signal, realizes the protective effect to the person and equipment.
Claims (2)
1. a belt is carried the pull switch address recognition unit; Comprise address signal generator and Address Recognition device; It is characterized in that: each pull switch is provided with an address signal generator; Address signal generator is connected with the open contact of pull switch by resistance, and the resistance outer end is as address signal generator signal output anode, and the outer end of the open contact of pull switch is as address signal generator signal output negative terminal; The resistance R 1 of first address signal generator and the signal input part that is connected to the Address Recognition device after the open contact J1 of first pull switch connects; The address signal generator signal output anode of back is connected on the polyphone contact of resistance and pull switch open contact of previous address signal generator; Be the resistance series connection of the address signal generator of N pull switch, the signal output negative terminal of the address signal generator of N pull switch all is connected to the signal input negative terminal of Address Recognition device; The normally closed contact of pull switch is carried the major loop switch as belt.
2. belt according to claim 1 is carried the pull switch address recognition unit; It is characterized in that: the Address Recognition device comprises central processor CPU; The signal output part of central processor CPU is connected with nixie display, and the signal output part of central processor CPU also is connected with the BCD conv.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205271618U CN202400585U (en) | 2011-12-15 | 2011-12-15 | Belt conveying pull-cord switch address recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205271618U CN202400585U (en) | 2011-12-15 | 2011-12-15 | Belt conveying pull-cord switch address recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202400585U true CN202400585U (en) | 2012-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205271618U Expired - Fee Related CN202400585U (en) | 2011-12-15 | 2011-12-15 | Belt conveying pull-cord switch address recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202400585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367378A (en) * | 2017-07-19 | 2017-11-21 | 南通大学 | Euphroe monitor and alarm system and control method based on ZigBee technology |
| CN107727379A (en) * | 2017-07-19 | 2018-02-23 | 南通大学 | Euphroe monitor and alarm system and control method based on LoRa technologies |
| CN110697372A (en) * | 2019-10-24 | 2020-01-17 | 厦门龙净环保技术有限公司 | Pull switch system, address setting method, protection method and pull switch |
-
2011
- 2011-12-15 CN CN2011205271618U patent/CN202400585U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367378A (en) * | 2017-07-19 | 2017-11-21 | 南通大学 | Euphroe monitor and alarm system and control method based on ZigBee technology |
| CN107727379A (en) * | 2017-07-19 | 2018-02-23 | 南通大学 | Euphroe monitor and alarm system and control method based on LoRa technologies |
| CN107367378B (en) * | 2017-07-19 | 2019-04-12 | 南通大学 | Euphroe monitor and alarm system and control method based on ZigBee technology |
| CN107727379B (en) * | 2017-07-19 | 2019-11-12 | 南通大学 | Euphroe monitor and alarm system and control method based on LoRa technology |
| CN110697372A (en) * | 2019-10-24 | 2020-01-17 | 厦门龙净环保技术有限公司 | Pull switch system, address setting method, protection method and pull switch |
| CN110697372B (en) * | 2019-10-24 | 2021-08-13 | 福建龙净环保股份有限公司 | Pull switch system, address setting method, protection method and pull switch |
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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 |
Granted publication date: 20120829 Termination date: 20141215 |
|
| EXPY | Termination of patent right or utility model |