CN208071038U - Elevator flat bed limit photoelectric switch with anti-interference function - Google Patents
Elevator flat bed limit photoelectric switch with anti-interference function Download PDFInfo
- Publication number
- CN208071038U CN208071038U CN201820224347.8U CN201820224347U CN208071038U CN 208071038 U CN208071038 U CN 208071038U CN 201820224347 U CN201820224347 U CN 201820224347U CN 208071038 U CN208071038 U CN 208071038U
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- CN
- China
- Prior art keywords
- photoelectric switch
- shell
- receiver
- elevator landing
- limiting photoelectric
- 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 - Fee Related
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- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model discloses a flat bed limit photoelectric switch of interference-proof function elevator, including casing, sealing connection piece, light-passing board, back lid, U-shaped groove, the casing top is provided with fixed recess, the casing is kept away from fixed recess one side is provided with the U-shaped groove, fixed recess is inside to be provided with sealing connection piece, the inside slotted hole that is provided with of sealing connection piece, the inside connecting wire that is provided with of slotted hole, the inside treater that is provided with of casing, the treater below is provided with the transmitter. Has the advantages that: the utility model discloses be provided with two receivers, can detect the light signal of penetrating directly, can detect the light signal that is reflected back by the baffle again, improved photoelectric switch's accuracy, still be provided with sealing connection piece and sealing washer simultaneously, strengthened photoelectric switch's waterproof performance, avoid appearing the phenomenon of inside intaking, the utility model discloses elevator flat bed limit photoelectric switch's stability and reliability have been improved greatly.
Description
Technical field
The utility model is related to Elevator landing limiting photoelectric switch fields, having anti-tampering function electricity more particularly to one kind
Terraced flat bed limiting photoelectric switch.
Background technology
Optoelectronic switch is using detected material blocking or reflect to light beam, by synchronization loop gating circuit, to detect
Object whether there is or not, object is not limited to metal, it is all can the objects of reflection lights can be detected, optoelectronic switch exists input current
Be converted on transmitter optical signal injection, receiver further according to the light received power or whether there is or not visited to target object
It surveys, flat bed of the Elevator landing limiting photoelectric switch for elevator limits, and is installed in elevator car roof, each floor has screening
The barn door for keeping off Elevator landing limiting photoelectric switch light path, when lift car reaches setting floor, it is flat that barn door blocks elevator
Layer limiting photoelectric switch light path, Elevator landing limiting photoelectric switch output signal to elevator control system, keep lift car accurate
Be parked in the floor, but when there is fire or other are unexpected, optoelectronic switch can because inner inlet cause optoelectronic switch without
Method works normally, or because flue dust interferes the transmission of optical signal in air, causes the optical signal received weaker, use processor
There is false judgment, elevator lift boy makees to occur abnormal.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of flat with anti-tampering function elevator
Layer limiting photoelectric switch.
The utility model is achieved through the following technical solutions above-mentioned purpose：
One kind have anti-tampering function Elevator landing limiting photoelectric switch, including shell, seal connection block, light-transmitting plate, after
Lid, U-lag, the case top are provided with fixed groove, and the shell is provided with the U-shaped far from the fixed groove side
Slot, the fixed groove are internally provided with the seal connection block, and the seal connection block is internally provided with slot, the slot
It is internally provided with connecting line, the enclosure interior is provided with processor, transmitter, the transmitting are provided with below the processor
Be provided with below device second receiver, the transmitter and the second receiver be provided with close to the U-lag side it is described
Light-transmitting plate, the processor side are provided with feedback circuit, and the feedback circuit is provided with filtering far from the processor side
Circuit is provided with amplifying circuit below the filter circuit, is provided with the first receiver below the amplifying circuit, and described first
Receiver is provided with the light-transmitting plate close to the U-lag side, and the shell front is provided with label, and the shell back is set
It is equipped with the rear cover, sealing ring is provided on the inside of the rear cover.
In above structure, when not having baffle to occur, the optical signal that the transmitter is sent out is transmitted by the light-transmitting plate
To at first receiver, first receiver detects optical signal, and the second receiver can't detect to be sent out by baffle
It is emitted back towards the optical signal come, the processor makes analysis according to the detection signal of first receiver and the second receiver
Judge, and obtained result is sent to the control system of elevator, when there is baffle to occur, optical signal that the transmitter is sent out
By baffle, first receiver can't detect optical signal, and the second receiver is detected to be fired back by baffle
Optical signal, the processor makes analytical judgment according to the detection signal of first receiver and the second receiver,
And obtained result is sent to the control system of elevator.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, the processor and the feedback circuit,
The filter circuit, the amplifying circuit, the transmitter, first receiver and second receiver electrical connection.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, the rear cover passes through card slot with the shell
It is fixedly connected, the rear cover is Nian Jie with the sealing ring.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, the shell passes through close with the light-transmitting plate
Sealing is fixedly connected.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, the label and the case bonding.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, the seal connection block is logical with the shell
The fixed groove is crossed to be fixedly connected.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, the connecting line and the seal connection block
It is fixedly connected by the slot.
Advantageous effect is：There are two receivers for the utility model setting, can detect optical signal and the inspection of direct projection
It measures by the reflected optical signal of baffle, improves the accuracy of optoelectronic switch, while being additionally provided with seal connection block and close
The phenomenon that seal enhances the water resistance of optoelectronic switch, avoids the occurrence of inner inlet, the utility model substantially increases elevator
The stability and reliability of flat bed limiting photoelectric switch.
Description of the drawings
Fig. 1 is a kind of structural representation with anti-tampering function Elevator landing limiting photoelectric switch described in the utility model
Figure；
Fig. 2 is a kind of right view with anti-tampering function Elevator landing limiting photoelectric switch described in the utility model；
Fig. 3 is a kind of broken section with anti-tampering function Elevator landing limiting photoelectric switch described in the utility model
Figure；
Fig. 4 is a kind of front view with anti-tampering function Elevator landing limiting photoelectric switch described in the utility model.
The reference numerals are as follows：
1, transmitter；2, shell；3, processor；4, seal connection block；5, slot；6, connecting line；7, fixed groove；8,
Feedback circuit；9, filter circuit；10, amplifying circuit；11, the first receiver；12, U-lag；13, light-transmitting plate；14, it second receives
Device；15, rear cover；16, sealing ring；17, label.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, a kind of that there is anti-tampering function Elevator landing limiting photoelectric switch, including shell 2, sealing connect
Block 4, light-transmitting plate 13, rear cover 15, U-lag 12 are connect, 2 top of shell is provided with fixed groove 7, facilitates fixed seal connection block 4,
Shell 2 is provided with U-lag 12 far from 7 side of fixed groove, and the transmission of optical signal, fixed groove 7 is facilitated to be internally provided with sealing
Link block 4 ensures that the leakproofness of shell 2 and 6 junction of connecting line, seal connection block 4 are internally provided with slot 5, facilitate fixation
Connecting line 6, slot 5 are internally provided with connecting line 6, connect the control system of optoelectronic switch and elevator, and shell 2 is internally provided with place
Device 3 is managed, 3 lower section of processor is provided with transmitter 1, converts electrical signals into optical signal and go out, 1 lower section setting of transmitter
There is second receiver 14, receive by the reflected optical signal of baffle, and by the optical signal received and be converted to electric signal, emits
Device 1 and second receiver 14 are provided with light-transmitting plate 13 close to 12 side of U-lag, facilitate the transmission of optical signal, 3 side of processor
It is provided with feedback circuit 8, ensures that the stability of output electric signal, feedback circuit 8 are provided with filter circuit far from 3 side of processor
9, the distracter in the signal detected is filtered, 9 lower section of filter circuit is provided with amplifying circuit 10, by detection signal amplification, side
Just the progress of follow-up work, 10 lower section of amplifying circuit are provided with the first receiver 11, receive the optical signal that transmitter 1 is spread out of, and
The optical signal received is converted to electric signal, the first receiver 11 is provided with light-transmitting plate 13, shell 2 close to 12 side of U-lag
Front is provided with label 17, and with the running parameter of optoelectronic switch, 2 back of shell is provided with rear cover 15,15 inside setting of rear cover
There is sealing ring 16.
In above structure, when not having baffle to occur, the optical signal that transmitter 1 is sent out is transmitted to first by light-transmitting plate 13
At receiver 11, the first receiver 11 detects that optical signal, second receiver 14 can't detect the light letter fired back by baffle
Number, processor 3 makes analytical judgment, and the result that will be obtained according to the detection signal of the first receiver 11 and second receiver 14
It is sent to the control system of elevator, when there is baffle to occur, the optical signal that transmitter 1 is sent out is by baffle, the first receiver
11 can't detect optical signal, and second receiver 14 detects that the optical signal fired back by baffle, processor 3 connect according to first
The detection signal for receiving device 11 and second receiver 14 makes analytical judgment, and obtained result is sent to the control system of elevator
System.
In order to further increase the reliability of Elevator landing limiting photoelectric switch, processor 3 and feedback circuit 8, filtered electrical
Road 9, amplifying circuit 10, transmitter 1, the first receiver 11 and second receiver 14 are electrically connected, and rear cover 15 passes through card slot with shell 2
It is fixedly connected, rear cover 15 is Nian Jie with sealing ring 16, and shell 2 is fixedly connected with light-transmitting plate 13 by fluid sealant, label 17 and shell 2
Bonding, seal connection block 4 are fixedly connected with shell 2 by fixed groove 7, and connecting line 6 is solid by slot 5 with seal connection block 4
Fixed connection.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. one kind having anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Including shell (2), it is tightly connected
Block (4), light-transmitting plate (13), rear cover (15), U-lag (12), shell (2) top are provided with fixed groove (7), the shell
(2) fixed groove (7) side is provided with the U-lag (12), the fixed groove (7) is internally provided with described close
Link block (4) is sealed, the seal connection block (4) is internally provided with slot (5), and the slot (5) is internally provided with connecting line
(6), the shell (2) is internally provided with processor (3), and transmitter (1), the transmitting are provided with below the processor (3)
Second receiver (14), the transmitter (1) and the second receiver (14) are provided with below device (1) close to the U-lag
(12) side is provided with the light-transmitting plate (13), and processor (3) side is provided with feedback circuit (8), the feedback circuit
(8) processor (3) side is provided with filter circuit (9), amplifying circuit is provided with below the filter circuit (9)
(10), the first receiver (11) is provided with below the amplifying circuit (10), first receiver (11) is close to the U-lag
(12) side is provided with the light-transmitting plate (13), and shell (2) front is provided with label (17), and shell (2) back is set
It is equipped with the rear cover (15), sealing ring (16) is provided on the inside of the rear cover (15).
2. according to claim 1 a kind of with anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Institute
State processor (3) and the feedback circuit (8), the filter circuit (9), the amplifying circuit (10), the transmitter (1),
First receiver (11) and the second receiver (14) electrical connection.
3. according to claim 1 a kind of with anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Institute
It states rear cover (15) to be fixedly connected by card slot with the shell (2), the rear cover (15) is Nian Jie with the sealing ring (16).
4. according to claim 1 a kind of with anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Institute
Shell (2) is stated to be fixedly connected by fluid sealant with the light-transmitting plate (13).
5. according to claim 1 a kind of with anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Institute
It is Nian Jie with the shell (2) to state label (17).
6. according to claim 1 a kind of with anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Institute
Seal connection block (4) is stated to be fixedly connected by the fixed groove (7) with the shell (2).
7. according to claim 1 a kind of with anti-tampering function Elevator landing limiting photoelectric switch, it is characterised in that：Institute
Connecting line (6) is stated to be fixedly connected by the slot (5) with the seal connection block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820224347.8U CN208071038U (en) | 2018-02-08 | 2018-02-08 | Elevator flat bed limit photoelectric switch with anti-interference function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820224347.8U CN208071038U (en) | 2018-02-08 | 2018-02-08 | Elevator flat bed limit photoelectric switch with anti-interference function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208071038U true CN208071038U (en) | 2018-11-09 |
Family
ID=64037590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820224347.8U Expired - Fee Related CN208071038U (en) | 2018-02-08 | 2018-02-08 | Elevator flat bed limit photoelectric switch with anti-interference function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208071038U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332825A (en) * | 2020-11-12 | 2021-02-05 | 佛山市高明欧一电子制造有限公司 | Anti-interference device for photoelectric switch |
| CN113114202A (en) * | 2021-03-11 | 2021-07-13 | 嘉兴和昌电梯控制技术有限公司 | Anti-interference flat-layer photoelectric switch |
| CN113890511A (en) * | 2020-07-03 | 2022-01-04 | 成都秦川物联网科技股份有限公司 | Low-power-consumption photoelectric switch sensor for Internet-of-things intelligent gas meter |
-
2018
- 2018-02-08 CN CN201820224347.8U patent/CN208071038U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890511A (en) * | 2020-07-03 | 2022-01-04 | 成都秦川物联网科技股份有限公司 | Low-power-consumption photoelectric switch sensor for Internet-of-things intelligent gas meter |
| CN112332825A (en) * | 2020-11-12 | 2021-02-05 | 佛山市高明欧一电子制造有限公司 | Anti-interference device for photoelectric switch |
| CN112332825B (en) * | 2020-11-12 | 2024-02-06 | 佛山市高明欧一电子制造有限公司 | Anti-interference device for photoelectric switch |
| CN113114202A (en) * | 2021-03-11 | 2021-07-13 | 嘉兴和昌电梯控制技术有限公司 | Anti-interference flat-layer photoelectric switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20210208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |