CN112193974A - Soft-touch type elevator door infrared protection device with shielding switch and safety touch plate - Google Patents
Soft-touch type elevator door infrared protection device with shielding switch and safety touch plate Download PDFInfo
- Publication number
- CN112193974A CN112193974A CN201910608027.1A CN201910608027A CN112193974A CN 112193974 A CN112193974 A CN 112193974A CN 201910608027 A CN201910608027 A CN 201910608027A CN 112193974 A CN112193974 A CN 112193974A
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- door
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- 238000013016 damping Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
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- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a light-touch type elevator door infrared protection device with a shielding switch and a safety touch panel, and belongs to the technical field of elevators. The light curtain device comprises mounting bottom plates, wherein safety touch plates are respectively mounted on opposite sides of the two mounting bottom plates, a light curtain transmitter is arranged in the safety touch plate on one side, and a light curtain receiver is arranged in the corresponding position in the safety touch plate on the other side; the upper end and the lower end of the safety contact plate are respectively provided with an upper positioning assembly and a lower positioning assembly, and the safety contact plate is fixedly connected with the mounting bottom plate through the upper positioning assembly and the lower positioning assembly. The safety protection structure with two functions of mechanical type and light curtain type is adopted, so that the safety of the elevator operation can be further improved; the safety contact plate is connected and fixed with the mounting bottom plate through the upper positioning assembly and the lower positioning assembly, the lower positioning assembly is matched with the upper positioning groove through the upper positioning block, the lower positioning block is matched with the lower positioning groove, and the roller is arranged in the lower positioning groove, so that the safety contact plate runs more smoothly, and the working stability is good.
Description
Technical Field
The invention relates to a light-touch type elevator door infrared protection device with a shielding switch and a safety touch plate, and belongs to the technical field of elevators.
Background
The elevator is an indispensable tool in modern life, and elevator door aggregate unit, safe touch panel and light curtain mainly guarantee the safe use of elevator. When people or objects pass through the entrance and are impacted by the door in the closing process of the car door, the safety protection device can automatically reopen the door to prevent accidents which endanger personal safety from happening, and the elevator door motor system is the most frequently-acting component in the elevator arranging system, and the performance of the elevator arranging system directly influences the performance of the elevator arranging system.
The elevator door linkage device, the safety touch panel and the light curtain component are a safety protection device for people and objects entering the elevator, are an electromechanical integrated door closing anti-pinch safety device, belong to an inductive protection device and are used for preventing people or objects from being pinched and damaged in the automatic door closing process of the elevator.
The safety contact plate belongs to a soft door on an elevator car door, when the elevator car is in the door closing process (light curtain failure or failure), the door opening microswitch between the linked safety contact plates can send a door opening signal to a door machine control system, and the elevator can open the door immediately, so that the effect of not hurting people and objects is achieved.
The elevator light curtain is a light ray type elevator door safety protection device, also belongs to a soft door on an elevator car door, and consists of four parts, namely a safety touch plate, infrared transmitters and receivers on two sides of the elevator car door, a power supply box arranged on the car top and a special flexible cable. The infrared transmitting tubes are arranged in the transmitter, and the transmitting and receiving tubes are opened sequentially under the control of the MCU to continuously scan the car door area from top to bottom to form an intensive infrared protection light curtain. When any beam of light is blocked, the control system immediately outputs a door opening signal, the car door stops closing and rotates reversely to open until the elevator door can be normally closed after the passenger or the blocking object leaves the warning area, so that the safety protection purpose is achieved, and the elevator can be prevented from people and things being jammed. The difference between the safety touch panel and the light curtain is as follows: the light beam generated by the light curtain can block the light beam when a person or an object enters the elevator, so that the elevator door cannot be closed, and the safety touch panel triggers the micro switch in the touch panel to open the elevator door again when the safety touch panel needs to contact the person or the object.
The elevator door protection devices currently in use employ at least one of a mechanical linkage safety touch panel and a light curtain. However, the safety protection component combining the mechanical type and the light curtain at present has the disadvantages of complex structure, complex installation, more mechanical faults and poor working stability. In addition, mechanical type safety structure and light curtain formula safety structure can not the full range simultaneous working, and before the elevator sedan-chair door was closed, mechanical type safety structure need trigger failure, otherwise the safety touch panel in the mechanical type safety structure is always triggered, leads to the elevator door to close not last.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a soft touch takes shielding switch and safe touch panel's lift-cabin door infrared protection device, it has solved present elevator and has adopted mechanical type and light curtain safety protection part that combines together, and its structure is complicated, installs loaded down with trivial details, mechanical failure is many, the poor problem of job stabilization nature.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the soft touch type elevator door infrared protection device with the shielding switch and the safety touch panel comprises mounting bottom plates which are symmetrically mounted at the side edges of door panels of a left elevator car and a right elevator car, wherein the safety touch panels are respectively mounted at opposite sides of the two mounting bottom plates, a light curtain transmitter is arranged in the safety touch panel at one side, and a light curtain receiver is arranged at a corresponding position in the safety touch panel at the other side;
the upper end and the lower end of the safety touch plate are respectively provided with an upper positioning assembly and a lower positioning assembly, and the safety touch plate is fixedly connected with the mounting bottom plate through the upper positioning assembly and the lower positioning assembly;
the upper positioning assembly comprises an upper positioning support, an upper end cover and an upper damping spring, the upper positioning support is fixed on the upper portion of the mounting bottom plate, the upper positioning support is provided with an upper positioning groove with a downward opening, the upper end cover is fixed on the top of the safety touch panel, the top of the upper end cover is provided with an upper positioning block and an upper stop block, the upper stop block is located on the inner side of the upper positioning block, the upper positioning groove is sleeved on the upper positioning block, the upper damping spring is fixed between the safety touch panel and the mounting bottom plate, and the upper stop block of the upper end cover of the safety touch panel;
the lower positioning assembly comprises a lower positioning support, a lower end cover and a lower damping spring, the lower positioning support is fixed at the lower part of the mounting bottom plate, the lower positioning support is provided with a lower positioning groove with an upward opening, a rolling shaft is arranged in the lower positioning groove, the lower end cover is fixed at the bottom of the safety touch panel, the top of the lower end cover is provided with a lower positioning block and a lower stop block, the lower stop block is positioned on the inner side of the lower positioning block, the lower positioning groove is sleeved on the lower positioning block, the lower damping spring is fixed between the safety touch panel and the mounting bottom plate, and the lower stop block of the lower end cover of;
the car door opening device is characterized in that a door opening microswitch for triggering the car to open the door is further arranged between the safety touch plates and the mounting bottom plate, and a shielding microswitch for triggering the car to forcibly close the door is arranged between the two safety touch plates.
As a preferred example, the opposite safety contact plate of the shielding microswitch is provided with a raised contact plate, and the raised contact plate triggers the shielding microswitch before the two safety contact plates are close to complete contact. Specifically, when the distance between the two safety touch plates is 1-5mm, the raised touch plate triggers the shielding microswitch to forcibly close the car door.
As a preferable example, two door-opening micro switches are arranged between the safety touch panel and the mounting bottom plate on the corresponding side and distributed on the upper half part and the lower half part of the safety touch panel.
As a preferred example, two shielding micro-switches are arranged between the safety contact plate and the opposite safety contact plate.
The invention has the beneficial effects that:
(1) the safety protection structure with two functions of mechanical type and light curtain type is adopted, so that the safety of the elevator operation can be further improved;
(2) in the mechanical safety structure, the safety contact plate is connected and fixed with the mounting bottom plate through the upper positioning assembly and the lower positioning assembly, the upper positioning assembly and the lower positioning assembly are simple and reliable in structure, the upper positioning block is matched with the upper positioning groove, the lower positioning block is matched with the lower positioning groove, and the lower positioning groove is internally provided with the rolling shaft, so that the safety contact plate runs more smoothly, is convenient to mount and has good working stability;
(3) the shielding microswitch is arranged between the two safety contact plates, so that the mechanical safety device fails and is forced to close the door at the last moment of contact of the safety contact plates, and the mechanical and light curtain type safety structures can be guaranteed to maintain double protection functions in the whole process of opening and closing the door of the elevator.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an upper positioning assembly;
FIG. 3 is a schematic structural view of the upper end cap;
FIG. 4 is a schematic structural view of an upper positioning bracket;
FIG. 5 is a schematic structural view of a lower positioning assembly;
FIG. 6 is a schematic structural view of the lower end cap;
FIG. 7 is a schematic structural view of a lower positioning bracket;
FIG. 8 is a schematic structural view of the lower positioning bracket and the side surface of the lower end cap;
fig. 9 is a schematic view of the mounting structure of the shield microswitch and the touch plate.
In the figure: car door plant 1, mounting plate 2, safety touch panel 3, light curtain transmitter 4, light curtain receiver 5 goes up locating component 6, goes up locating support 61, goes up constant head tank 611, goes up locating piece 621, goes up dog 622, upper end cover 62, goes up damping spring 63, locating component 7 down, lower locating support 71, lower constant head tank 711, roller 712, lower end cover 72, lower locating piece 721, lower dog 722, lower damping spring 73, microswitch 8 opens the door, shielding microswitch 9, touch panel 91.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.
As shown in fig. 1-9, the soft touch type infrared protection device for elevator door with shielding switch and safety touch panel comprises two installation bottom plates 2 installed at the side edges of two car door panels 1, wherein the two installation bottom plates 2 are installed with safety touch panels 3 at opposite sides respectively, a light curtain transmitter 4 is installed in the safety touch panel 3 at one side, and a light curtain receiver 5 is installed at the corresponding position in the safety touch panel 3 at the other side;
the upper end and the lower end of the safety contact plate 3 are respectively provided with an upper positioning assembly 6 and a lower positioning assembly 7, and the safety contact plate 3 is fixedly connected with the mounting bottom plate 2 through the upper positioning assembly 6 and the lower positioning assembly 7;
as shown in fig. 2 to 4, the upper positioning assembly 6 includes an upper positioning bracket 61, an upper end cover 62, and an upper damping spring 63, the upper positioning bracket 61 is fixed on the upper portion of the mounting base plate 2, the upper positioning bracket 61 is provided with an upper positioning groove 611 opening downward, the upper end cover 62 is fixed on the top of the touch pad 3, the top of the upper end cover 62 is provided with an upper positioning block 621 and an upper stopper 622, the upper stopper 622 is located inside the upper positioning block 621, the upper positioning groove 611 is sleeved on the upper positioning block 621, the upper damping spring 63 is fixed between the touch pad 3 and the mounting base plate 2, and the upper stopper 622 of the upper end cover 62 of the touch pad 3 abuts against the inner end portion of the upper positioning groove;
as shown in fig. 5 to 8, the lower positioning assembly 7 includes a lower positioning bracket 71, a lower end cap 72, and a lower damping spring 73, the lower positioning bracket 71 is fixed at the lower portion of the mounting base plate 2, the lower positioning bracket 71 is provided with a lower positioning groove 711 opening upward, a roller 712 is arranged in the lower positioning groove 711, the lower end cap 72 is fixed at the bottom of the touch pad 3, the top of the lower end cap 72 is provided with a lower positioning block 721 and a lower stopper 722, the lower stopper 722 is located inside the lower positioning block 721, the lower positioning groove 711 is sleeved on the lower positioning block 721, the lower damping spring 73 is fixed between the touch pad 3 and the mounting base plate 2, and the lower stopper 722 of the lower end cap 72 of the touch pad 3 is abutted against the end portion;
a door opening microswitch 8 for triggering the car to open the door is further arranged between the safety touch plates 3 and the mounting bottom plate 2, and a shielding microswitch 9 for triggering the car to forcibly close the door is arranged between the two safety touch plates 3.
As shown in fig. 9, a raised contact plate 91 is provided on the opposite safety contact plate 3 of the shielding microswitch 9, and the raised contact plate 91 triggers the shielding microswitch 9 before the two safety contact plates 3 approach to complete contact. Specifically, when the distance between the two safety contact plates 3 is 1-5mm, the raised contact plate 91 triggers the shielding microswitch 9 to forcibly close the car door.
Two door-opening micro-switches 8 are arranged between the safety touch panel 3 and the mounting base plate 2 on the corresponding side and are distributed on the upper half part and the lower half part of the safety touch panel 3. Any one of the door opening micro switches 8 is triggered, namely, the elevator door is triggered to open.
Two shielding micro-switches 9 are arranged between the safety contact plate 3 and the opposite safety contact plate 3. Any one of the screening microswitches 9 is triggered, i.e. triggers forced closing of the elevator door.
The working principle is as follows:
when the elevator door is fully opened, the safety touch plate 3 is not collided by external force and does not act; the light curtain transmitter 4 and the light curtain receiver 5 which are directly arranged in the safety touch panel 3 are not blocked and shielded, and the elevator door is in a normal opening state.
When the elevator door is closed, people or objects enter the elevator door but do not touch the safety touch plate 3, the door opening microswitch 8 does not trigger the elevator door to be closed; however, the infrared ray between the light curtain transmitter 4 and the light curtain receiver 5 is blocked and blocked, and the elevator door is triggered to open.
When the elevator door is closed, people or objects enter the elevator door and touch the safety touch plate 3, the door opening microswitch 8 is triggered to close the elevator door; at the same time, the infrared ray between the light curtain transmitter 4 and the light curtain receiver 5 is blocked and shielded, and the elevator door is also triggered to open. Plays a role of double protection.
When the door is closed, the raised feeler 91 triggers the screen microswitch 9 when the two safety feelers 3 of the elevator car door are very close together (1-5 mm apart), so that the protection means are disabled and the car door is forced to close.
When one system in the mechanical or light curtain type safety protection structure fails, the other system works normally as well, and the safety and the reliability are higher.
The safety protection structure with two functions of mechanical type and light curtain type is adopted, so that the safety of the elevator operation can be further improved;
in the mechanical safety structure, the safety contact plate 3 is fixedly connected with the mounting bottom plate 2 through the upper positioning component 6 and the lower positioning component 7, the upper positioning component 6 and the lower positioning component 7 are simple and reliable in structure, the upper positioning block 621 is matched with the upper positioning groove 611, the lower positioning block 721 is matched with the lower positioning groove 711, and the lower positioning groove 711 is internally provided with the rolling shaft 712, so that the safety contact plate 3 runs more smoothly, and is convenient to mount and good in working stability;
the shielding microswitch 9 is arranged between the two safety contact plates 3, so that the mechanical safety device can be out of work and forced to be closed at the last moment when the safety contact plates 3 are in contact, and the mechanical and light curtain type safety structures can be ensured to maintain double protection functions in the whole process of opening and closing the elevator door.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Touch take shielding switch and safety touch panel's lift-cabin door infrared protection device, it includes that the symmetry is installed at the mounting plate of controlling two car door plant sides, and the safety touch panel is installed respectively to two relative one sides of mounting plate, is equipped with the light curtain transmitter in the safety touch panel of one side, and the corresponding position is equipped with light curtain receiver, its characterized in that in the opposite side safety touch panel:
the upper end and the lower end of the safety touch plate are respectively provided with an upper positioning assembly and a lower positioning assembly, and the safety touch plate is fixedly connected with the mounting bottom plate through the upper positioning assembly and the lower positioning assembly;
the upper positioning assembly comprises an upper positioning support, an upper end cover and an upper damping spring, the upper positioning support is fixed on the upper portion of the mounting bottom plate, the upper positioning support is provided with an upper positioning groove with a downward opening, the upper end cover is fixed on the top of the safety touch panel, the top of the upper end cover is provided with an upper positioning block and an upper stop block, the upper stop block is located on the inner side of the upper positioning block, the upper positioning groove is sleeved on the upper positioning block, the upper damping spring is fixed between the safety touch panel and the mounting bottom plate, and the upper stop block of the upper end cover of the safety touch panel;
the lower positioning assembly comprises a lower positioning support, a lower end cover and a lower damping spring, the lower positioning support is fixed at the lower part of the mounting bottom plate, the lower positioning support is provided with a lower positioning groove with an upward opening, a rolling shaft is arranged in the lower positioning groove, the lower end cover is fixed at the bottom of the safety touch panel, the top of the lower end cover is provided with a lower positioning block and a lower stop block, the lower stop block is positioned on the inner side of the lower positioning block, the lower positioning groove is sleeved on the lower positioning block, the lower damping spring is fixed between the safety touch panel and the mounting bottom plate, and the lower stop block of the lower end cover of;
the car door opening device is characterized in that a door opening microswitch for triggering the car to open the door is further arranged between the safety touch plates and the mounting bottom plate, and a shielding microswitch for triggering the car to forcibly close the door is arranged between the two safety touch plates.
2. The infrared protection device of elevator door with shielding switch and safety touch panel of claim 1, wherein the shielding microswitch is provided with a raised touch panel on the opposite safety touch panel, and the raised touch panel triggers the shielding microswitch before the two safety touch panels are close to complete contact.
3. The infrared protection device for elevator door with shielding switch and safety touch panel of claim 1, wherein two door-opening micro-switches are disposed between the safety touch panel and the installation bottom plate on the corresponding side, and are distributed on the upper and lower half parts of the safety touch panel.
4. The infrared protection device of claim 1, wherein two shielding microswitches are disposed between the safety touch plate and the opposite safety touch plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608027.1A CN112193974A (en) | 2019-07-08 | 2019-07-08 | Soft-touch type elevator door infrared protection device with shielding switch and safety touch plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608027.1A CN112193974A (en) | 2019-07-08 | 2019-07-08 | Soft-touch type elevator door infrared protection device with shielding switch and safety touch plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112193974A true CN112193974A (en) | 2021-01-08 |
Family
ID=74004687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910608027.1A Pending CN112193974A (en) | 2019-07-08 | 2019-07-08 | Soft-touch type elevator door infrared protection device with shielding switch and safety touch plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112193974A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697649A (en) * | 2021-08-25 | 2021-11-26 | 上海森尼电梯成套有限公司 | Elevator door protection device capable of preventing glass from invading |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697649A (en) * | 2021-08-25 | 2021-11-26 | 上海森尼电梯成套有限公司 | Elevator door protection device capable of preventing glass from invading |
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Application publication date: 20210108 |
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