CN216889582U - Elevator door lock loop fault alarm device - Google Patents
Elevator door lock loop fault alarm device Download PDFInfo
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- CN216889582U CN216889582U CN202220179766.0U CN202220179766U CN216889582U CN 216889582 U CN216889582 U CN 216889582U CN 202220179766 U CN202220179766 U CN 202220179766U CN 216889582 U CN216889582 U CN 216889582U
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- door lock
- copper block
- elevator door
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Abstract
The utility model discloses an elevator door lock loop fault alarm device, which comprises a wall body, an elevator door lock loop main switch arranged on the wall body, a fault early warning device and an alarm device, wherein the elevator door lock loop main switch is connected with the wall body; the alarm device comprises a clip frame, and a cross rod, a screw rod, a transverse plate and a connecting plate which are parallel to each other are arranged in the clip frame; sliding rods penetrating through the connecting plates are arranged on two sides in the square-shaped frame, mounting seats are arranged on the connecting plates, connecting blocks are arranged on one sides of the mounting seats, wedge-shaped grooves are formed in the connecting blocks, first copper blocks are arranged on the other sides of the mounting seats, second copper blocks are arranged on the transverse plates, and the first copper blocks are opposite to the second copper blocks; the cross bar is provided with a movable block capable of sliding on the cross bar, the screw rod penetrates through the movable block and is in threaded connection with the movable block, the connecting block is provided with a feeler lever extending into the wedge-shaped groove, and the sliding rod is provided with a spring; the controller, the alarm horn and the storage battery are arranged on the outer side of the square-shaped frame, and when the first copper block is in contact with the second copper block, a power supply loop of the alarm horn is connected.
Description
Technical Field
The utility model relates to the technical field of elevator door lock loop protection equipment, in particular to an elevator door lock loop fault alarm device.
Background
The elevator door and car door are one of the important safety parts, and it is an electromechanical integrated device composed of door leaf, sill, door slide block, door guide rail and other mechanical parts and safety electric switch. The door lock loop is a safety protection loop which consists of each electric safety switch of each landing door and each car door and enables the elevator to forbid the elevator to start under the condition that the doors are not closed. All the switches are connected in series, namely, the elevator driving motor cannot be started or stops running immediately as long as any one switch fails to be switched on.
When the elevator door lock safety loop breaks down, such as electric leakage, overload and the like, for the sake of safety, the elevator should be suspended for use, and meanwhile, an alarm needs to be given out, so that a user is warned to suspend use and maintenance personnel are reminded to maintain. The alarm is usually realized through sound alarm, when a safety loop of the elevator door lock breaks down, a relay in a loop of the alarm horn is controlled to be closed through the controller, and the alarm horn is electrified to give an alarm. In actual use, when the elevator breaks down, various emergency situations often occur, so that the situation that the controller or the relay loses power in the alarming process occurs, the alarming is stopped, and continuous alarming cannot be performed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fault alarm device for an elevator door lock loop, which has the advantages that sound alarm is carried out when a safety loop of the elevator door lock fails, and the alarm cannot be stopped even if a controller loses power.
The utility model aims at realizing the above purpose through the following technical scheme that the elevator door lock loop fault alarm device comprises a wall body, an elevator door lock loop main switch arranged on the wall body, a fault early warning device and an alarm device, wherein the fault early warning device is arranged beside the elevator door lock loop main switch and is connected in series in a door lock loop of an elevator;
the alarm device comprises a clip frame, a cross rod, a screw rod, a transverse plate and a connecting plate which are parallel to each other are arranged in the clip frame, the cross rod and the transverse plate are fixedly arranged in the clip frame, the screw rod can rotate around the axis of the screw rod, and the screw rod is connected with a motor for driving the screw rod to rotate; the connecting plate is arranged between the cross rod and the transverse plate, sliding rods penetrating through the connecting plate are arranged on two sides in the square-shaped frame and are perpendicular to the transverse plate, the transverse plate can slide on the sliding rods, the connecting plate is provided with an installation seat, one side of the installation seat is provided with a connecting block, the connecting block is provided with a wedge-shaped groove, the other side of the installation seat is provided with a first copper block, the transverse plate is provided with a second copper block, and the first copper block is opposite to the second copper block; the cross bar is provided with a moving block capable of sliding on the cross bar, the screw rod penetrates through the moving block and is in threaded connection with the moving block, the connecting block is provided with a feeler lever extending into the wedge-shaped groove, the sliding rod is provided with a spring, and the spring is in contact with the connecting plate and applies a force to the connecting plate to move towards the moving block; the distance between the first copper block and the second copper block satisfies: when the moving block moves on the cross rod, the contact rod and the connecting block push the connecting plate to move towards the transverse plate, and the first copper block and the second copper block can be contacted;
the controller, the alarm horn and the storage battery are arranged on the outer side of the square-shaped frame, the controller receives an output signal of the fault early-warning device and controls the motor to run, the alarm horn is powered by the storage battery, the first copper block and the second copper block are connected in series in a power supply loop of the alarm horn, and when the first copper block is in contact with the second copper block, the power supply loop of the alarm horn is connected.
The utility model is further provided that the end part of the feeler lever is provided with a ball, and the ball is in rolling contact with the inclined surface of the wedge-shaped groove.
The first copper block is insulated from the mounting seat, and the second copper block is insulated from the transverse plate.
The utility model is further configured such that the fault early-warning device is an AAFD-40 type fault arc detector.
The utility model is further set that the controller is a single chip microcomputer.
In conclusion, the utility model has the beneficial effects that when the elevator door lock safety loop has a fault, the fault early warning device detects the fault and controls the motor to operate through the controller, the motor drives the screw rod to rotate, the screw rod drives the movable block to slide along the cross rod, the contact position between the contact rod and the connecting block is changed when the movable block moves, the extrusion connecting plate moves downwards, so that the first copper block approaches to the second copper block, when the first copper block contacts with the second copper block, the power supply loop of the warning horn is switched on, the warning horn starts to give an alarm, and warning for a user and reminding for maintenance personnel are realized. In the alarming process, even if the elevator door lock loop and the controller are powered off, the first copper block and the second copper block are kept in a contact state due to the self-locking effect of the screw rod, and the alarming of the alarming horn cannot be stopped.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the trolley of the present invention;
fig. 4 is a schematic structural view of a connection plate in the present invention.
In the figure, 1, wall panel; 2. a main switch of an elevator door lock loop; 3. an alarm device; 4. a clip frame; 5. a screw; 6. a cross bar; 7. a moving block; 8. a motor; 9. a controller; 10. connecting blocks; 11. a wedge-shaped groove; 12. a feeler lever; 13. a ball bearing; 14. a mounting seat; 15. a first copper block; 16. a transverse plate; 17. a second copper block; 18. an alarm horn; 19. a storage battery; 21. a slide bar; 22. a connecting plate; 23. a spring; 24. and (4) a fault early warning device.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Example (b): referring to fig. 1-4, an elevator door lock loop fault alarm device 3 comprises a wall body and an elevator door lock loop main switch 2 arranged on the wall body, and further comprises a fault early warning device 24 and an alarm device 3, wherein the fault early warning device 24 is arranged beside the elevator door lock loop main switch 2 and is connected in series in a door lock loop of an elevator; the fault precaution device 24 is an AAFD-40 type fault arc detector.
Alarm device 3 includes back shape frame 4, returns shape frame 4 and installs on the wall body, returns and is equipped with horizontal pole 6, screw rod 5, diaphragm 16 and the connecting plate 22 that is parallel to each other in shape frame 4, horizontal pole 6 and diaphragm 16 fixed mounting are in returning shape frame 4, screw rod 5 can rotate around self axis, and screw rod 5 is connected with and is used for driving screw rod 5 pivoted motor 8. The connecting plate 22 is arranged between the cross rod 6 and the transverse plate 16, slide rods 21 penetrating through the connecting plate 22 are arranged on two sides in the clip frame 4, the slide rods 21 are perpendicular to the transverse plate 16, the transverse plate 16 can slide on the slide rods 21, the connecting plate 22 is provided with an installation seat 14, one side of the installation seat 14 is provided with a connecting block 10, a wedge-shaped groove 11 is arranged on the connecting block 10, the other side of the installation seat 14 is provided with a first copper block 15, the transverse plate 16 is provided with a second copper block 17, and the first copper block 15 is opposite to the second copper block 17; a moving block 7 capable of sliding on the cross bar 6 is arranged on the cross bar 6, the screw 5 penetrates through the moving block 7 and is in threaded connection with the moving block 7, a feeler lever 12 extending into the wedge-shaped groove 11 is arranged on the connecting block 10, a spring 23 is arranged on the sliding rod 21, the spring 23 is in contact with the connecting plate 22, and a force for moving the moving block 7 is applied to the connecting plate 22; the distance between the first copper block 15 and the second copper block 17 satisfies: when the moving block 7 moves on the cross bar 6, the connecting plate 22 is pushed by the feeler lever 12 and the connecting block 10 to move towards the cross plate 16, and the first copper block 15 and the second copper block 17 can contact.
The controller 9, the alarm horn 18 and the storage battery 19 are arranged on the outer side of the square-shaped frame 4, the controller 9 receives an output signal of the fault early-warning device 24 and controls the motor 8 to operate, the alarm horn 18 is powered by the storage battery 19, the first copper block 15 and the second copper block 17 are connected in series in a power supply loop of the alarm horn 18, and when the first copper block 15 contacts with the second copper block 17, the power supply loop of the alarm horn 18 is connected.
The end of the contact rod 12 is provided with a ball 13, and the ball 13 is in rolling contact with the inclined surface of the wedge-shaped groove 11, so that the friction between the contact rod 12 and the connecting block 10 is reduced.
The first copper block 15 is insulated from the mounting seat 14, and the second copper block 17 is insulated from the transverse plate 16.
The controller 9 is a single chip microcomputer, specifically an STM32F103VDT6 single chip microcomputer.
When elevator lock safety circuit broke down, trouble precaution device 24 detected the trouble, and through the operation of controller 9 control motor 8, motor 8 drives screw rod 5 and rotates, screw rod 5 drives movable block 7 and slides along horizontal pole 6, contact position between feeler lever 12 and connecting block 10 has been changed when movable block 7 removed, extrusion connecting plate 22 moves down, thereby first copper billet 15 is close to second copper billet 17, when first copper billet 15 and second copper billet 17 contact, the power supply circuit switch-on of warning loudspeaker 18, warning loudspeaker 18 begins to report to the police, realize warning to the user and the warning of dimension guarantor personnel. In the alarming process, even if the elevator door lock loop and the controller 9 are powered off, the first copper block 15 and the second copper block 17 are kept in a contact state due to the self-locking effect of the screw 5, and the alarming of the alarming horn 18 cannot be ended.
After the maintenance work is finished, the motor 8 is controlled to rotate reversely, the moving block 7 returns to the original position, the connecting plate 22 moves upwards under the action of the spring 23, the first copper block 15 is separated from the second copper block 17, and the alarm is stopped.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (5)
1. A failure alarm device (3) of an elevator door lock loop comprises a wall body and an elevator door lock loop main switch (2) arranged on the wall body, and is characterized by further comprising a failure early warning device (24) and an alarm device (3), wherein the failure early warning device (24) is arranged beside the elevator door lock loop main switch (2) and is connected in series in a door lock loop of an elevator;
the alarm device (3) comprises a clip frame (4), a cross rod (6), a screw rod (5), a cross plate (16) and a connecting plate (22) which are parallel to each other are arranged in the clip frame (4), the cross rod (6) and the cross plate (16) are fixedly arranged in the clip frame (4), the screw rod (5) can rotate around the axis of the screw rod (5), and the screw rod (5) is connected with a motor (8) for driving the screw rod (5) to rotate; the connecting plate (22) is arranged between the cross rod (6) and the transverse plate (16), sliding rods (21) penetrating through the connecting plate (22) are arranged on two sides in the square frame (4), the sliding rods (21) are perpendicular to the transverse plate (16), the transverse plate (16) can slide on the sliding rods (21), an installation seat (14) is arranged on the connecting plate (22), a connecting block (10) is arranged on one side of the installation seat (14), a wedge-shaped groove (11) is formed in the connecting block (10), a first copper block (15) is arranged on the other side of the installation seat (14), a second copper block (17) is arranged on the transverse plate (16), and the first copper block (15) is opposite to the second copper block (17); a movable block (7) capable of sliding on the cross rod (6) is arranged on the cross rod (6), the screw rod (5) penetrates through the movable block (7) and is in threaded connection with the movable block (7), a contact rod (12) extending into the wedge-shaped groove (11) is arranged on the connecting block (10), a spring (23) is arranged on the sliding rod (21), the spring (23) is in contact with the connecting plate (22), and a force for moving the movable block (7) is applied to the connecting plate (22); the distance between the first copper block (15) and the second copper block (17) satisfies: when the moving block (7) moves on the cross bar (6), the contact rod (12) and the connecting block (10) push the connecting plate (22) to move towards the transverse plate (16), and the first copper block (15) and the second copper block (17) can be contacted;
the outer side of the square-shaped frame (4) is provided with a controller (9), an alarm horn (18) and a storage battery (19), the controller (9) receives an output signal of a fault early warning device (24) and controls a motor (8) to operate, the alarm horn (18) is powered by the storage battery (19), a first copper block (15) and a second copper block (17) are connected in series in a power supply loop of the alarm horn (18), and when the first copper block (15) and the second copper block (17) are in contact, the power supply loop of the alarm horn (18) is connected.
2. The elevator door lock circuit malfunction warning device (3) according to claim 1, characterized in that the end of the feeler lever (12) is provided with a ball (13), and the ball (13) is in rolling contact with the inclined surface of the wedge groove (11).
3. The elevator door lock loop fault alarm device (3) of claim 2, wherein the first copper block (15) is insulated from the mounting seat (14) and the second copper block (17) is insulated from the cross plate (16).
4. An elevator door lock loop fault alarm device (3) according to claim 3, characterized in that the fault early warning device (24) is a fault arc detector of the AAFD-40 type.
5. The elevator door lock loop fault alarm device (3) of claim 4, characterized in that the controller (9) is a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220179766.0U CN216889582U (en) | 2022-01-24 | 2022-01-24 | Elevator door lock loop fault alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220179766.0U CN216889582U (en) | 2022-01-24 | 2022-01-24 | Elevator door lock loop fault alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216889582U true CN216889582U (en) | 2022-07-05 |
Family
ID=82180218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220179766.0U Active CN216889582U (en) | 2022-01-24 | 2022-01-24 | Elevator door lock loop fault alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216889582U (en) |
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2022
- 2022-01-24 CN CN202220179766.0U patent/CN216889582U/en active Active
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