CN202518896U - Photoelectric switch for elevator - Google Patents
Photoelectric switch for elevator Download PDFInfo
- Publication number
- CN202518896U CN202518896U CN 201120548521 CN201120548521U CN202518896U CN 202518896 U CN202518896 U CN 202518896U CN 201120548521 CN201120548521 CN 201120548521 CN 201120548521 U CN201120548521 U CN 201120548521U CN 202518896 U CN202518896 U CN 202518896U
- Authority
- CN
- China
- Prior art keywords
- photoelectric switch
- circuit
- elevator according
- elevator
- links
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
Abstract
The utility model relates to a photoelectric switch for an elevator. The photoelectric switch comprises infrared transmitting and receiving integrated circuits connected in sequence; an output end of each infrared transmitting and receiving integrated circuit is connected with an LED (light emitting diode) through a triode; and a base of the triode is also connected with an overcurrent short-circuit protection integrated circuit. The photoelectric switch provided by the utility model has the functions of load overcurrent short-circuit protection, elimination of external interference signals and the like.
Description
Technical field
The utility model relates to a kind of photoelectric switch, particularly relates to a kind of elevator and uses photoelectric switch.
Background technology
Along with socioeconomic continuous development, elevator has obtained more and more universal application.Elevator generally adopts frequency conversion control technique at present; And the traction motor power of elevator usually can be more than 15KW; High-performance converter technique will inevitably produce bigger interference to electrical network, and interfering signal directly influence can cause load abnormal or remarkable action as the photoelectric switch of flat bed inductor; Serious meeting causes photoelectric switch can not correctly reflect the level position of elevator, even causes elevator to close the people or safety misadventure such as rush to summit.Therefore, just seem as the reliability of the photoelectric switch of Elevator landing inductor and be even more important.
Summary of the invention
The utility model technical matters to be solved provides a kind of elevator and uses photoelectric switch, has functions such as overcurrent short-circuit protection and elimination external interference signals.
The utility model solves the technical scheme that its technical matters adopted: provide a kind of elevator to use photoelectric switch; Comprise the infrared emission receiving integrate circuit that links to each other successively; The mouth of said infrared emission receiving integrate circuit links to each other with light-emitting diode through aerotron, and the base stage of said aerotron also links to each other with overcurrent short-circuit protection IC.
Said overcurrent short-circuit protection IC is realized through the BTS4140 chip.
Said infrared emission receiving integrate circuit is realized through the IS471F chip.
The power end of said infrared emission receiving integrate circuit links to each other with mu balanced circuit.
Said mu balanced circuit is three grades of series connection voltage stabilizing circuits.
Said circuit output end of pressure-stabilizing is parallel with output filter capacitor.
Said mu balanced circuit input end is parallel with input filter capacitor.
Said mu balanced circuit input end also is parallel with transient voltage and suppresses diode.
Said mu balanced circuit input end is in series with current-limiting resistance and the diode that is used to prevent electric voltage reverse-connection.
Beneficial effect
Owing to adopted above-mentioned technical scheme; The utility model compared with prior art; Have following advantage and good effect: the utility model has increased overcurrent and short-circuit protection IC; Can avoid fully because the output interface that load is excessive or external interference signals causes load abnormal damages, and make entire circuit be in the voltage stabilizing state all the time through mu balanced circuit.
Description of drawings
Fig. 1 is the circuit diagram of the utility model;
Fig. 2 is the circuit diagram of mu balanced circuit in the utility model.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The embodiment of the utility model relates to a kind of elevator and uses photoelectric switch; As shown in Figure 1; Comprise the infrared emission receiving integrate circuit 1 that links to each other successively; The mouth of said infrared emission receiving integrate circuit 1 links to each other with light-emitting diode through aerotron 2, and the base stage of said aerotron 2 also links to each other with overcurrent short-circuit protection IC 3.
Said overcurrent short-circuit protection IC is realized through the BTS4140 chip; Wherein, the IN end links to each other with the base stage of aerotron through resistance, and links to each other with power supply through a resistance; The SOURCE end links to each other with power supply, and the DRAIN end links to each other with ground with diode through mutual parallel resistor.This overcurrent short-circuit protection IC can be avoided fully because the output interface that load is excessive or external interference signals causes load abnormal damages.
Said infrared emission receiving integrate circuit is realized through the IS471F chip; Wherein, link to each other the direct ground connection of 2 ports with power supply with the reversal connection diode series connection back of two parallel connections again behind resistance of 1 port series connection; 3 ports link to each other with the base stage of aerotron; Directly pass through a resistance power connection in base stage and 3 ports, the direct power connection of 4 ports, and pass through capacity earth.Employing pulsed modulation infrared transmitting tube and adoptor modulate emission receive signal processing circuit and are integrated in the adoptor, and emission and reception make that circuit infrared emission receiving lines performance is simple synchronously, and anti-main line and the infrared ability of disturbing are strong.
The power end of said infrared emission receiving integrate circuit 1 links to each other with mu balanced circuit.As shown in Figure 2, this mu balanced circuit is three grades of series connection voltage stabilizing circuits, and wherein first order voltage stabilizing circuit 21 is made up of a resistance and an aerotron; Second stage voltage stabilizing circuit 22 is made up of a resistance, two diodes and an aerotron; The 3rd utmost point voltage stabilizing circuit 23 is made up of two resistance, a diode and an aerotron.Said circuit output end of pressure-stabilizing is parallel with output filter capacitor, and this output filter capacitor is the filtering high-frequency signal effectively.The mu balanced circuit input end is parallel with input filter capacitor, and this input filter capacitor is the filtering high-frequency signal effectively.The mu balanced circuit input end also is parallel with transient voltage and suppresses diode; When input moment high energy impact events; It can reduce its impedance with high speed (nanosecond) suddenly; Absorb a big electric current simultaneously, with the voltage clamp between its two ends on a predetermined numerical value, thereby the circuit component of guaranteeing the back is avoided the high-octane impact of transient state and is damaged.Said mu balanced circuit input end is in series with current-limiting resistance and the diode that is used to prevent electric voltage reverse-connection.
Claims (9)
1. an elevator is used photoelectric switch; Comprise the infrared emission receiving integrate circuit (1) that links to each other successively; The mouth of said infrared emission receiving integrate circuit (1) links to each other with light-emitting diode through aerotron (2); It is characterized in that the base stage of said aerotron (2) also links to each other with overcurrent short-circuit protection IC (3).
2. elevator according to claim 1 is used photoelectric switch, it is characterized in that, said overcurrent short-circuit protection IC (3) is realized through the BTS4140 chip.
3. elevator according to claim 1 is used photoelectric switch, it is characterized in that, said infrared emission receiving integrate circuit (3) is realized through the IS471F chip.
4. elevator according to claim 1 is used photoelectric switch, it is characterized in that, the power end of said infrared emission receiving integrate circuit (3) links to each other with mu balanced circuit.
5. elevator according to claim 4 is used photoelectric switch, it is characterized in that, said mu balanced circuit is three grades of series connection voltage stabilizing circuits.
6. elevator according to claim 4 is used photoelectric switch, it is characterized in that, said circuit output end of pressure-stabilizing is parallel with output filter capacitor.
7. elevator according to claim 4 is used photoelectric switch, it is characterized in that, said mu balanced circuit input end is parallel with input filter capacitor.
8. elevator according to claim 4 is used photoelectric switch, it is characterized in that, said mu balanced circuit input end also is parallel with transient voltage and suppresses diode.
9. elevator according to claim 4 is used photoelectric switch, it is characterized in that, said mu balanced circuit input end is in series with current-limiting resistance and the diode that is used to prevent electric voltage reverse-connection.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120548521 CN202518896U (en) | 2011-12-23 | 2011-12-23 | Photoelectric switch for elevator |
| CN201280059485.0A CN104024137A (en) | 2011-12-23 | 2012-11-13 | Photoelectric Switch For Elevator |
| PCT/CN2012/001543 WO2013091278A1 (en) | 2011-12-23 | 2012-11-13 | Photoelectric switch for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120548521 CN202518896U (en) | 2011-12-23 | 2011-12-23 | Photoelectric switch for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518896U true CN202518896U (en) | 2012-11-07 |
Family
ID=47101857
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120548521 Expired - Lifetime CN202518896U (en) | 2011-12-23 | 2011-12-23 | Photoelectric switch for elevator |
| CN201280059485.0A Pending CN104024137A (en) | 2011-12-23 | 2012-11-13 | Photoelectric Switch For Elevator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280059485.0A Pending CN104024137A (en) | 2011-12-23 | 2012-11-13 | Photoelectric Switch For Elevator |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN202518896U (en) |
| WO (1) | WO2013091278A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013091278A1 (en) * | 2011-12-23 | 2013-06-27 | 宁波电子器材一厂 | Photoelectric switch for elevator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386522A (en) * | 2018-04-17 | 2019-10-29 | 三菱电机上海机电电梯有限公司 | Photo-electric limit switch and elevator device |
| US20230013786A1 (en) * | 2021-07-13 | 2023-01-19 | Changxin Memory Technologies, Inc. | Method for manufacturing semiconductor structure, semiconductor structure, and memory |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100377981C (en) * | 2003-11-07 | 2008-04-02 | 株式会社日立制作所 | Elevator position detector |
| JP4775826B2 (en) * | 2009-01-22 | 2011-09-21 | 東芝エレベータ株式会社 | Elevator equipment |
| CN101720148B (en) * | 2009-07-21 | 2013-10-09 | 海洋王照明科技股份有限公司 | LED driving circuit and LED device |
| CN201952076U (en) * | 2011-01-04 | 2011-08-31 | 苏州沃尔思电子有限公司 | Photoswitch circuit |
| CN202518896U (en) * | 2011-12-23 | 2012-11-07 | 宁波荣鹰电子有限公司 | Photoelectric switch for elevator |
-
2011
- 2011-12-23 CN CN 201120548521 patent/CN202518896U/en not_active Expired - Lifetime
-
2012
- 2012-11-13 CN CN201280059485.0A patent/CN104024137A/en active Pending
- 2012-11-13 WO PCT/CN2012/001543 patent/WO2013091278A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013091278A1 (en) * | 2011-12-23 | 2013-06-27 | 宁波电子器材一厂 | Photoelectric switch for elevator |
| CN104024137A (en) * | 2011-12-23 | 2014-09-03 | 宁波电子器材一厂 | Photoelectric Switch For Elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013091278A1 (en) | 2013-06-27 |
| CN104024137A (en) | 2014-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |