CN214399406U - Elevator calling device with inductive switch - Google Patents
Elevator calling device with inductive switch Download PDFInfo
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- CN214399406U CN214399406U CN202022087928.1U CN202022087928U CN214399406U CN 214399406 U CN214399406 U CN 214399406U CN 202022087928 U CN202022087928 U CN 202022087928U CN 214399406 U CN214399406 U CN 214399406U
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- elevator
- switch
- intermediate relay
- button
- inductive switch
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Abstract
The utility model relates to an elevator calling device with an inductive switch, which comprises an operation panel, an elevator button, a photoelectric inductive switch and an intermediate relay; the photoelectric sensing switch is arranged on the operation panel, and an output signal line and one power line of the photoelectric sensing switch are respectively connected with two ends of the intermediate relay coil; two control wires of the elevator button are respectively connected with two normally open contacts of the intermediate relay; the intermediate relay is connected in the call signal loop. The utility model discloses need not human touching button and can realize calling elevator function, avoided finger contact button and produced virus cross infection's risk.
Description
Technical Field
The utility model belongs to the technical field of elevator control, a elevator calling device who has inductive switch is related to.
Background
The traditional elevator calling circuit only comprises an upper control switch and a lower control switch, and an occupant manually touches an upper button and a lower button on an operation panel to open one of the control switches to call the elevator. Because the operation panel belongs to public facilities, a plurality of users are available, and bacteria are easy to spread. Particularly, the virus cross infection is easily caused during epidemic situations.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an elevator calling device with inductive switch, the device need not human touching button and can realize the elevator and call.
In order to solve the technical problem, the elevator calling device with the inductive switch of the utility model comprises an operation panel and an elevator button; it is characterized by also comprising a photoelectric sensing switch and an intermediate relay; the photoelectric sensing switch is arranged on the operation panel, and an output signal line and one power line of the photoelectric sensing switch are respectively connected with two ends of the intermediate relay coil; two control wires of the elevator button are respectively connected with two normally open contacts of the intermediate relay; the intermediate relay is connected in the call signal loop.
When the passenger blocks the light emitted by the photoelectric sensing switch with the fingers or presses the elevator button, the intermediate relay is closed to conduct the call signal loop, so that the elevator call function is realized.
The photoelectric sensing switch and the elevator button share one direct current power supply, and an anode power line and a cathode power line of the photoelectric sensing switch are respectively connected with an anode and a cathode of the direct current power supply.
The front end of the screw is in threaded connection with a through hole on an elevator button and is locked and fixed by a locking nut, the elevator button is arranged on an operation panel, and the photoelectric sensing switch is arranged and fixed at the tail end of the screw; the screw is provided with an axial through hole.
A mounting hole is processed on one side of the elevator button on the operation panel, a switch shell is arranged at the mounting hole, the front end of the screw is in threaded connection with a through hole on the switch shell and is locked and fixed by a locking nut, and the photoelectric sensing switch is fixedly mounted at the tail end of the screw; the screw is provided with an axial through hole.
Has the advantages that: the utility model adopts the elevator button form of photoelectric induction triggering calling signal, the calling elevator function can be realized without touching the button by human body, the passenger does not need to touch the public elevator button in the using process, the calling elevator signal is triggered by the infrared induction device on the gesture approaching button, the calling elevator function of the original button can be realized, more importantly, the risk of virus cross infection caused by the fact that the finger contacts the button is avoided in the using process; the elevator is called by the aid of the button switch, and the situation that the elevator is stopped due to the fact that the photoelectric switch breaks down can be avoided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of the electrical connection of the present invention.
Fig. 2 is a schematic view of a mechanical structure of embodiment 1 of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a diagram showing an in-car steering wheel according to embodiment 1.
Fig. 5 is a schematic view of the outbound panel of embodiment 1.
Fig. 6 is a schematic mechanical structure diagram of embodiment 2 of the present invention.
Fig. 7 is a left side view of fig. 6.
Fig. 8 is a diagram showing an in-car steering wheel according to embodiment 2.
Fig. 9 is a schematic diagram of the outbound panel of embodiment 2.
In the figure: 1. an elevator button; 2.a photoelectric sensing switch; 3. a screw; 31. an axial through hole; 4. locking the nut; 51. a positive power supply line; 52. a negative power supply line; 53. a control signal line; 61. a wire; a control line; 63.B control lines; 7. an intermediate relay; 8. a switch housing.
Detailed Description
Example 1
As shown in fig. 1, the elevator calling device with inductive switch of the present invention comprises an operation panel, an elevator button 1, a photoelectric inductive switch 2, and an intermediate relay 7; the photoelectric sensing switch 2 adopts an NPN/N.O diffuse reflection laser photoelectric sensing switch, shares a direct current power supply with the elevator button 1, and a positive power supply line 51 and a negative power supply line 52 of the photoelectric sensing switch are respectively connected with the positive pole and the negative pole of the direct current power supply; the positive power line 51 is connected with one end of the coil of the intermediate relay 7 through a lead, and the control signal line 53 of the photoelectric sensing switch 2 is connected with the other end of the coil of the intermediate relay 7; the control line A62 and the control line B63 of the elevator button 1 are respectively connected with the first normally open contact a and the third normally open contact c of the intermediate relay 7; the intermediate relay 7 is connected in the call signal loop.
As shown in fig. 2, the elevator button 1 is installed on the operation panel, the front end of the screw rod 3 is in threaded connection with the through hole on the elevator button 1 and is locked and fixed by the locking nut 4, and the photoelectric sensing switch 2 is installed and fixed at the tail end of the screw rod 3; the screw 3 is provided with an axial through hole 31.
The operating panel refers to an outbound panel and a car inner operating panel.
The photoelectric sensing switch 2 emits photoelectric signals through the axial through hole 31 of the screw rod 3; when the elevator calling device is used, a passenger places a finger at a position 1-150MM away from an elevator button to shield an optical signal, the photoelectric sensing switch 2 sends a control signal, the first normally open contact a and the second normally open contact b of the intermediate relay 7 are closed, the third normally open contact c and the fourth normally open contact d are closed, the intermediate relay 7 is switched on, a calling signal loop is switched on, and an elevator calling function is realized.
When photoelectric sensing switch 2 broke down, the passenger can press elevator button 1 with the finger, makes intermediate relay 7's first normally open contact a and second normally open contact b closed, and third normally open contact c and fourth normally open contact d are closed, and intermediate relay 7 switches on, makes elevator control circuit switch on, realizes elevator calling function.
Example 2
The present embodiment is different only in that: the operation panel is provided with a mounting hole at one side of the elevator button 1, a switch shell 8 is arranged in the mounting hole, the front end of the screw rod 3 is in threaded connection with a through hole on the switch shell 8 and is locked and fixed by a locking nut 4, and other structures are the same as those of the embodiment 1. The mounting hole and the switch shell 8 can be round or square; the connection structure of the switch case 8 and the operation panel may be the same as the connection structure of the elevator button 1 and the operation panel.
The photoelectric sensing switch 2 can also adopt a PNP type photoelectric sensing switch, at this time, the negative power line 52 is connected with one end of the coil of the intermediate relay 7 through a lead, and the control signal line 53 of the photoelectric sensing switch 2 is connected with the other end of the coil of the intermediate relay 7.
Claims (4)
1. An elevator calling device with an inductive switch comprises an operation panel and an elevator button (1); the device is characterized by also comprising a photoelectric sensing switch (2) and an intermediate relay (7); the photoelectric induction switch (2) is arranged on the operation panel, and an output signal line and one power line of the photoelectric induction switch are respectively connected with two ends of a coil of the intermediate relay (7); two control wires of the elevator button (1) are respectively connected with two normally open contacts of the intermediate relay (7); the intermediate relay (7) is connected in the call signal loop.
2. Elevator call device with inductive switch according to claim 1, characterized in that the photoelectric inductive switch (2) shares a DC power supply with the elevator button (1), and its positive power line (51) and negative power line (52) are connected to the positive and negative poles of the DC power supply, respectively.
3. Elevator call device with inductive switch according to claim 1, characterized in that it also comprises a screw (3); the front end of the screw rod (3) is in threaded connection with a through hole on the elevator button (1) and is locked and fixed by a locking nut (4), the elevator button (1) is installed on an operation panel, and the photoelectric sensing switch (2) is installed and fixed at the tail end of the screw rod (3); the screw (3) is provided with an axial through hole (31).
4. The elevator calling device with the inductive switch according to claim 1, characterized in that the operation panel is provided with a mounting hole at one side of the elevator button (1), a switch housing (8) is arranged at the mounting hole, the front end of the screw rod (3) is in threaded connection with a through hole on the switch housing (8) and is locked and fixed by a locking nut (4), and the photoelectric inductive switch (2) is fixedly arranged at the tail end of the screw rod (3); the screw (3) is provided with an axial through hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022087928.1U CN214399406U (en) | 2020-09-22 | 2020-09-22 | Elevator calling device with inductive switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022087928.1U CN214399406U (en) | 2020-09-22 | 2020-09-22 | Elevator calling device with inductive switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214399406U true CN214399406U (en) | 2021-10-15 |
Family
ID=78017921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022087928.1U Active CN214399406U (en) | 2020-09-22 | 2020-09-22 | Elevator calling device with inductive switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214399406U (en) |
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2020
- 2020-09-22 CN CN202022087928.1U patent/CN214399406U/en active Active
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