CN220317026U

CN220317026U - Elevator light curtain

Info

Publication number: CN220317026U
Application number: CN202322058293.6U
Authority: CN
Inventors: 蒲小林; 程宗伟
Original assignee: Ningbo Kmisen Opto Electronic Co ltd
Current assignee: Ningbo Kmisen Opto Electronic Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-09
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses an elevator light curtain, which comprises a safety contact plate, wherein an inner protective shell is inserted and installed in the safety contact plate, an air pipe is arranged in the inner protective shell, the air pipe is two groups of N-shaped pipes which are communicated, a plurality of groups of cleaning spray heads are installed at the output end of the outer pipe of the air pipe in an equidistant manner, a plurality of groups of heat dissipation spray heads are installed at the output end of the inner pipe of the air pipe in an equidistant manner, and a wind pressure adjusting valve is used for adjusting the air quantity entering the air pipe, so that the cleaning spray heads can be more stable and safer for heat dissipation cleaning of a light curtain plate signal processing end and the heat dissipation spray heads on a circuit board, the influence on the use of a device caused by outputting larger wind pressure is avoided, the cleaning spray heads are arranged for the signal transmitting end and the receiving end of the light curtain plate, the signal transmitting end and the receiving end of the light curtain plate can be effectively avoided being shielded by foreign matters and animals, and meanwhile, the wind pressure can be gradually adjusted through a wind pressure adjusting valve to adapt to different shielding conditions, and the front ends of the signal transmitting end and the receiving end are always kept stable.

Description

Elevator light curtain

Technical Field

The utility model relates to the technical field of elevator light curtains, in particular to an elevator light curtain.

Background

The light curtain is used for safety protection of the elevator door switch, consists of a light curtain power supply box, a first spiral line and the like, is arranged at a crack between two elevator doors, has a good protection and detection effect, has lower power consumption, and is widely applied to various fields; the existing light curtain has certain defects when in use, and after the installation of the light curtain is completed, the light curtain is possibly shielded by foreign matters or sundries due to the fact that the signal receiving and sending ends of the light curtain are exposed outside, so that certain adverse effects are brought to practical use.

The utility model discloses an elevator light curtain as in patent publication number CN 210236828U, including the light curtain power pack, surface one side fixed mounting of light curtain power pack has a helix, the one end fixed mounting that the light curtain power pack was kept away from on the surface of a helix has fixed spiral line, the surface movable mounting of fixed spiral line has a fastening cap, a surface one end fixed mounting of fastening cap has a connector lug, the one end fixed mounting that the surface of a connector lug kept away from a fastening cap has a shell, the surface fixed mounting of a shell has a protective housing. The elevator light curtain is provided with the first spiral line, the first fastening cap and the radiating fins, so that the overlong line can be prevented from being clamped and broken when an elevator runs, and the elevator is prevented from being damaged due to the unexpected falling off, thereby having a good protection effect, prolonging the service life of a light curtain power supply, being applicable to different working conditions and bringing better use prospects;

the above-mentioned patent still has some problems when using for unable clearance to the light curtain in the use for the light curtain is when being sheltered from by the accident, and the elevator can't normal use, and the handling process is comparatively simple, makes the cost of labor appear extravagant, so now needs an elevator light curtain.

Disclosure of Invention

The utility model aims to provide an elevator light curtain, which is characterized in that a cleaning nozzle arranged at the output end of an air pipe is used for cleaning the signal transmitting and receiving end of a light curtain plate, and a heat dissipation nozzle is arranged for carrying out heat dissipation treatment on a circuit board, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an elevator light curtain, includes the safety contact board, the inside grafting of safety contact board installs the inner protective shell, the inside tuber pipe that is provided with of inner protective shell, the tuber pipe is the N type pipe of two sets of intercommunications, a plurality of groups clearance shower nozzle are installed to tuber pipe outside pipe output equidistance intercommunication, a plurality of groups heat dissipation shower nozzle are installed to tuber pipe inside pipe output equidistance intercommunication, the light curtain board is installed to the sealed joint of inner protective shell front side, the circuit board is installed in the inside grafting of tuber pipe, the clearance shower nozzle stretches out from the light curtain board is inside.

Preferably, the left and right sides symmetry of inner protective housing has seted up the window of changing wind, a set of connecting slot has been seted up respectively in the four inflection points outsides of inner protective housing, a plurality of groups of spacing grooves have been seted up to the inner protective housing inner left and right sides wall symmetry.

Preferably, the air pipe is movably clamped into the limiting groove to be arranged in a clamping manner, a group of clamping plates are respectively clamped and installed on the corresponding cambered surfaces of the radiating nozzles at the left side and the right side of the air pipe, positioning seats are mounted on the outer sides of the clamping plates in a fitting manner, positioning grooves are formed in the positions of the positioning seats corresponding to the radiating nozzles, and slots are formed in the corresponding sides of the two groups of clamping plates.

Preferably, the air pipe top end is connected with a connecting air pipe in a sealing way, an elastic pipe is arranged in the middle of the connecting air pipe, the tail end of the connecting air pipe is communicated with an air pressure adjusting valve, and the input end of the air pressure adjusting valve is provided with another group of connecting air pipes.

Preferably, the circuit board is inserted into the slot and is arranged inside, the heat dissipation spray heads are positioned at the front side of the circuit board, four groups of heat dissipation spray heads which are adjacent from left to right up to down are in a working unit, and the output angles of the four groups of heat dissipation spray heads in the working unit are intersected with the surface of the circuit board.

Preferably, the positioning blocks are fixedly installed at the rear sides of the light curtain plates corresponding to the positions of the groups of connecting slots, the positioning blocks are inserted and installed in the connecting slots in a fitting mode, four groups of cleaning spray heads which are adjacent left, right, upper and lower are a working unit, and the output angles of the four groups of cleaning spray heads in one working unit are intersected with the external signal transmitting and receiving ends of the light curtain plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up the inner protective housing and protect tuber pipe and circuit board, guarantee the stability that the light curtain board used, guarantee the circuit board can not overheated in the use through two sets of ventilation windows that the inner protective housing outside was seted up simultaneously, make the light curtain board use more stable.

2. The amount of wind that gets into the tuber pipe is adjusted through the wind pressure governing valve that sets up for the clearance shower nozzle can be more stable safety to the heat dissipation clearance of light curtain board signal processing end and heat dissipation shower nozzle to the circuit board, can not lead to the fact the influence to the use of device to the great wind pressure of output, set up the clearance shower nozzle and use to the signal emission and the receiving terminal of light curtain board, can effectively avoid signal emission and receiving terminal to be sheltered from by foreign matter, animal for will shelter from the thing blowing off, can adjust the wind pressure through the wind pressure governing valve gradually simultaneously, adapt to different shielding conditions, make signal emission and receiving terminal front end remain stable throughout.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a split view of the overall structure of the present utility model;

FIG. 3 is a view showing an exploded view of the mounting structure of the light curtain plate of the present utility model;

FIG. 4 is a view showing the whole structure of the air duct of the present utility model;

FIG. 5 is a structural view of the inner protective shell of the present utility model;

FIG. 6 is a view showing the structure of a wind pressure adjusting valve according to the present utility model;

FIG. 7 is an enlarged view of the structure of the present utility model at A.

In the figure: 1. a safety contact plate; 2. a controller; 3. an inner protective shell; 4. a ventilation window; 5. a connection slot; 6. a limit groove; 7. an air duct; 8. cleaning a spray head; 9. a heat dissipation nozzle; 10. connecting an air pipe; 11. an elastic tube; 12. a wind pressure adjusting valve; 13. a clamping plate; 14. a positioning seat; 15. a positioning groove; 16. a slot; 17. a circuit board; 18. a light curtain plate; 19. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides: 1-7, including safety contact plate 1, the inside grafting of safety contact plate 1 is installed inner protective shell 3, inner protective shell 3 is inside to be provided with tuber pipe 7, tuber pipe 7 is the N type pipe of two sets of intercommunications, a plurality of groups of clearance shower nozzle 8 are installed in tuber pipe 7 outside pipe output equidistance intercommunication, a plurality of groups of heat dissipation shower nozzle 9 are installed in tuber pipe 7 inboard pipe output equidistance intercommunication, the light curtain board 18 is installed to the sealed joint of inner protective shell 3 front side, circuit board 17 is installed in the inside grafting of tuber pipe 7, clearance shower nozzle 8 stretches out from light curtain board 18 inside, controller 2 and circuit board 17 that the safety contact plate 1 outside set up are connected, control the elevator.

As the preference, the wind change window 4 has been seted up to the inner protective housing 3 left and right sides symmetry, a set of connecting slot 5 has been seted up respectively in the four inflection points outsides of inner protective housing 3, a plurality of groups of spacing groove 6 have been seted up to the inner protective housing 3 interior left and right sides wall symmetry, the inside circuit board 17 job stabilization of inner protective housing 3 is guaranteed to the wind change window 4 of seting up through inner protective housing 3, and there is not higher temperature, connecting slot 5 that inner protective housing 3 outside was seted up is used for cooperating with locating piece 19, guarantee that light curtain plate 18 and inner protective housing 3's connection is stable.

Further, the inside joint setting of spacing groove 6 is gone into to tuber pipe 7 activity card, a set of cardboard 13 is installed to the cambered surface that corresponds respectively joint of the inside left and right sides of tuber pipe 7 heat dissipation shower nozzle 9, positioning seat 14 is installed in the laminating of cardboard 13 outside, positioning groove 15 has been seted up to positioning seat 14 position that corresponds heat dissipation shower nozzle 9, slot 16 has been started to the side that corresponds to two sets of cardboard 13, the stability that spacing groove 6 promoted tuber pipe 7 used, the clearance shower nozzle 8 that tuber pipe 7 outside tuber pipe set up is used for clearing up light curtain plate 18, the heat dissipation shower nozzle 9 that tuber pipe 7 inboard tuber pipe set up is used for clearing up circuit board 17, cardboard 13 that sets up comes spacing circuit board 17, make circuit board 17 can be located heat dissipation shower nozzle 9 rear side, make heat dissipation shower nozzle 9 can directly blow the branch heat dissipation to the heating panel, and positioning seat 14 in the cardboard 13 outside and the constant head 15 of seting up are used for being connected with heat dissipation shower nozzle 9, make cardboard 13 use more stable.

Further, the connection air pipe 10 is installed at the top end sealing connection of the air pipe 7, the elastic pipe 11 is arranged in the middle of the connection air pipe 10, the wind pressure adjusting valve 12 is installed at the tail end of the connection air pipe 10 in a communicating mode, the other group of connection air pipes 10 are installed at the input end of the wind pressure adjusting valve 12, the elastic pipe 11 arranged in the middle of the connection air pipe 10 guarantees the elasticity of the connection air pipe 10 in the using process, the use safety of the connection air pipe 10 is improved, the wind pressure adjusting valve 12 can better control the wind pressure output by the cleaning spray head 8 and the heat dissipation spray head 9, and the use safety of the device is further improved.

It is worth to describe that the circuit board 17 is inserted into the slot 16 and is arranged inside, the heat dissipation spray heads 9 are located at the front side of the circuit board 17, four groups of heat dissipation spray heads 9 which are adjacent from left to right and from top to bottom are a working unit, the output angles of the four groups of heat dissipation spray heads 9 in one working unit are intersected with the surface of the circuit board 17, the heat dissipation spray heads 9 are located at the front side of the circuit board 17, and each working unit can blow wind to the circuit board 17 more stably so as to achieve the purpose of rapid cooling.

Specifically, the positioning blocks 19 are fixedly installed at the rear sides of the light curtain plates 18 corresponding to the positions of the groups of connecting slots 5, the positioning blocks 19 are attached to the connecting slots 5 and inserted into the positions, four groups of cleaning spray heads 8 adjacent left, right, upper and lower are a working unit, the output angles of the four groups of cleaning spray heads 8 in one working unit are intersected with the external signal transmitting and receiving ends of the light curtain plates 18, the cleaning spray heads 8 extend out of the light curtain plates 18, and each working unit can correspond to the signal transmitting and receiving ends of the light curtain plates 18, so that shielding objects at the signal transmitting and receiving ends can be cleaned more rapidly and effectively.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elevator light curtain, its characterized in that: including safety contact board (1), inside grafting of safety contact board (1) is installed inner protective housing (3), inner protective housing (3) inside is provided with tuber pipe (7), tuber pipe (7) are two sets of N type pipes of intercommunication, a plurality of groups of clearance shower nozzle (8) are installed in tuber pipe (7) outside pipe output equidistance intercommunication, a plurality of groups of heat dissipation shower nozzle (9) are installed in tuber pipe (7) inboard pipe output equidistance intercommunication, light curtain board (18) are installed in sealed joint of inner protective housing (3) front side, circuit board (17) are installed in inside grafting of tuber pipe (7), clearance shower nozzle (8) are followed light curtain board (18) inside and are stretched out.

2. An elevator light curtain according to claim 1, characterized in that: the wind exchange window (4) is symmetrically arranged on the left side and the right side of the inner protection shell (3), a group of connecting slots (5) are respectively arranged on the outer sides of four inflection points of the inner protection shell (3), and a plurality of groups of limit grooves (6) are symmetrically arranged on the left wall and the right wall of the inner protection shell (3).

3. An elevator light curtain according to claim 2, characterized in that: the utility model discloses a heat dissipation device, including air pipe (7), recess (6), locating seat (14), recess (15) have been seted up to air pipe (7) activity card income spacing groove (6) inside joint setting, a set of cardboard (13) are installed to the cambered surface respectively joint that air pipe (7) inside left and right sides heat dissipation shower nozzle (9) correspond, locating seat (14) are installed in laminating of cardboard (13) outside, locating groove (15) have been seted up to locating seat (14) position that corresponds heat dissipation shower nozzle (9), two sets of cardboard (13) correspond the side and begin to have slot (16).

4. An elevator light curtain as defined in claim 3, wherein: the air conditioner is characterized in that a connecting air pipe (10) is installed at the top end of the air pipe (7) in a sealing connection mode, an elastic pipe (11) is arranged in the middle of the connecting air pipe (10), an air pressure adjusting valve (12) is installed at the tail end of the connecting air pipe (10) in a communicating mode, and the other group of connecting air pipes (10) are installed at the input end of the air pressure adjusting valve (12).

5. An elevator light curtain as defined in claim 4, wherein: the circuit board (17) is inserted into the slot (16), the heat dissipation spray heads (9) are positioned at the front side of the circuit board (17), four groups of heat dissipation spray heads (9) which are adjacent left, right, upper and lower are arranged as a working unit, and the output angles of the four groups of heat dissipation spray heads (9) in the same working unit are intersected with the surface of the circuit board (17).

6. An elevator light curtain as defined in claim 5, wherein: the light curtain plate (18) rear side corresponds each group's connecting slot (5) fixed mounting has locating piece (19), locating piece (19) laminating connecting slot (5) insert the installation, and the left and right upper and lower adjacent four groups clearance shower nozzle (8) are a unit of work, and four groups clearance shower nozzle (8) output angle looks and light curtain plate (18) external signal transmission and receiving terminal in the unit of work.