CN111776901A - Elevator shaft pit water inlet monitoring device - Google Patents
Elevator shaft pit water inlet monitoring device Download PDFInfo
- Publication number
- CN111776901A CN111776901A CN201910270162.XA CN201910270162A CN111776901A CN 111776901 A CN111776901 A CN 111776901A CN 201910270162 A CN201910270162 A CN 201910270162A CN 111776901 A CN111776901 A CN 111776901A
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- CN
- China
- Prior art keywords
- color
- water
- elevator
- pit
- monitoring device
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an elevator shaft pit water inlet monitoring device, which comprises: the color changing component is arranged on the bottom surface of the elevator shaft pit. The color-changing component has a first color when not being wetted by water, and can change from the first color to a second color different from the first color after being wetted by water, so that whether the elevator shaft pit is filled with water or not can be judged according to the color of the color-changing component. Therefore, according to the invention, whether the elevator shaft pit enters water can be accurately and timely judged according to the color change of the color change component arranged on the bottom surface of the elevator shaft pit, so that the damage of the water entering accident to the elevator can be avoided or reduced, and the safety of the elevator is improved.
Description
Technical Field
The invention relates to a monitoring device for water inflow of a pit of an elevator shaft.
Background
The elevator shaft pit is positioned at the bottommost part of the elevator shaft, so that water inflow accidents easily occur, wherein some water inflow accidents are caused by burst of a water pipe or backflow of rainwater, and other water inflow accidents are caused by human factors. Once water enters the bottom pit of the elevator shaft, the elevator can be caused to break down, and meanwhile, mechanical parts and electrical parts of the elevator can be damaged, so that the safety of the elevator is seriously affected.
Disclosure of Invention
An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.
According to one aspect of the present invention, there is provided an elevator hoistway pit inflow monitoring apparatus, comprising: the color changing component is arranged on the bottom surface of the elevator shaft pit. The color-changing component has a first color when not being wetted by water, and can change from the first color to a second color different from the first color after being wetted by water, so that whether the elevator shaft pit is filled with water or not can be judged according to the color of the color-changing component.
According to an exemplary embodiment of the present invention, the property of the color change component changing color when exposed to water is irreversible, i.e., the color of the color change component remains in the second color even if it is dried again after changing to the second color when exposed to water.
According to another exemplary embodiment of the invention, the color-changing component is a color-changing label made of a water-sensitive warning anti-counterfeiting adhesive, and the color-changing label is directly adhered to the bottom surface of the pit of the elevator shaft.
According to another exemplary embodiment of the present invention, the color-changing label appears white when not wetted with water and changes from white to red after being wetted with water.
According to another exemplary embodiment of the present invention, the elevator shaft pit inflow monitoring apparatus further comprises a visual detector disposed above the color changing member for detecting a color of the color changing member.
According to another exemplary embodiment of the present invention, the visual detector is a camera.
According to another exemplary embodiment of the present invention, the elevator shaft pit water inflow monitoring device further comprises a judging device adapted to judge whether the elevator shaft pit is filled with water according to the color detected by the visual detector.
According to another exemplary embodiment of the present invention, the elevator shaft pit inflow monitoring device further includes an alarm device that gives an alarm when the determination device determines that the elevator shaft pit is filled with water.
According to another exemplary embodiment of the invention, the elevator shaft pit water inflow monitoring device further comprises a control device, and the control device turns off a power supply of the elevator main machine when the judgment device judges that the elevator shaft pit water inflow occurs, so that the elevator car moves to the highest floor under the action of the counterweight, and the elevator car and the electrical equipment thereof are prevented from being soaked by water.
According to another exemplary embodiment of the present invention, the elevator hoistway pit inflow monitoring device further comprises a drainage device disposed in the elevator hoistway pit; when the judging device judges that the elevator shaft pit is filled with water, the control device starts the drainage device so as to discharge the water in the elevator shaft pit to the outside.
According to another exemplary embodiment of the present invention, the drainage device is a submersible pump.
In the foregoing exemplary embodiments according to the present invention, whether water enters the elevator shaft pit or not can be accurately and timely determined according to the color change of the color change component disposed on the bottom surface of the elevator shaft pit, so that the damage of the water entering accident to the elevator can be avoided or reduced, and the safety of the elevator is improved.
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.
Drawings
Fig. 1 shows a schematic diagram of an elevator hoistway pit inflow monitoring apparatus according to an example embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to a general technical concept of the present invention, there is provided an elevator shaft pit inflow monitoring apparatus, including: the color changing component is arranged on the bottom surface of the elevator shaft pit. The color-changing component has a first color when not being wetted by water, and can change from the first color to a second color different from the first color after being wetted by water, so that whether the elevator shaft pit is filled with water or not can be judged according to the color of the color-changing component.
Fig. 1 shows a schematic diagram of an elevator hoistway pit inflow monitoring apparatus according to an example embodiment of the present invention.
As shown in fig. 1, in the illustrated embodiment, the elevator generally includes an elevator car 100, a counterweight 200, a rope 300, and a hoisting machine 400. One end of the wire rope 300 is connected to the elevator car 100 and the other end is connected to the counterweight 200. The wire rope 300 is wound around the driving wheel of the traction machine 400. The traction machine 400 can drive the elevator car 100 up and down by rotating the driving pulley.
As shown in fig. 1, in the illustrated embodiment, the elevator shaft pit inflow monitoring device mainly includes a color change member 10, and the color change member 10 is disposed on the bottom surface of the elevator shaft pit.
In an exemplary embodiment of the present invention, the color-changing member 10 has a first color when not wetted by water, and changes from the first color to a second color different from the first color after wetted by water, so that whether water enters the pit of the elevator shaft can be determined according to the color of the color-changing member 10.
In an exemplary embodiment of the present invention, the property of color change member 10 changing color upon contact with water is irreversible, i.e., the color of color change member 10 remains in the second color after changing to the second color upon contact with water, even if it is air dried again.
In an exemplary embodiment of the present invention, the color changing member 10 is a color changing label made of a water-sensitive warning anti-counterfeiting sticker, and the color changing label is directly adhered to the bottom surface of the pit of the elevator shaft.
In an exemplary embodiment of the invention, the aforementioned color-changing label appears white when not wetted with water and changes from white to red after being wetted with water.
As shown in fig. 1, in the illustrated embodiment, the elevator shaft pit water inflow monitoring apparatus further includes a visual detector 20, and the visual detector 20 is disposed above the color changing member 10 for detecting the color of the color changing member 10. The vision detector 20 may be a camera.
As shown in fig. 1, in the illustrated embodiment, the elevator shaft pit water inflow monitoring device further includes a judging device (not shown, which may be a computer) adapted to judge whether the elevator shaft pit is filled with water according to the color detected by the visual detector 20.
As shown in fig. 1, in the illustrated embodiment, the elevator shaft pit water inflow monitoring device further includes an alarm device (not shown, such as a buzzer alarm or a voice alarm), and the alarm device gives an alarm when the determination device determines that water is introduced into the elevator shaft pit.
As shown in fig. 1, in the illustrated embodiment, the elevator shaft pit water inflow monitoring device further includes a control device (not shown), and the control device turns off the power supply of the elevator main machine when the judgment device judges that water enters the elevator shaft pit, so that the elevator car 100 moves to the highest floor under the action of the counterweight 200, and the elevator car and the electrical equipment thereof are prevented from being soaked by the water.
As shown in fig. 1, in the illustrated embodiment, the elevator hoistway pit inflow monitoring device further includes a drainage device 30, the drainage device 30 being disposed in the elevator hoistway pit. When the judging means judges that the hoistway pit is flooded, the aforementioned control means activates the drainage means 30 so as to drain the water in the hoistway pit to the outside.
As shown in fig. 1, in the illustrated embodiment, the aforementioned drain 30 may be a submersible pump.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention.
Although a few embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the invention.
Claims (11)
1. The utility model provides an elevator well pit monitoring device that intakes which characterized in that includes:
a color changing member (10) disposed on a bottom surface of an elevator shaft pit,
the color changing component (10) has a first color when not being wetted by water, and can change from the first color to a second color different from the first color after being wetted by water, so that whether the elevator shaft pit is filled with water or not can be judged according to the color of the color changing component (10).
2. The elevator hoistway pit entry water monitoring device of claim 1, wherein:
the property that the color-changing component (10) changes color when meeting water is irreversible, namely, after the color-changing component (10) changes into the second color when meeting water, even if the color-changing component is dried again, the color of the color-changing component is still the second color.
3. The elevator hoistway pit entry water monitoring device of claim 1 or 2, wherein:
the color-changing component (10) is a color-changing label made of a water-sensitive warning anti-counterfeiting adhesive, and the color-changing label is directly adhered to the bottom surface of the pit of the elevator shaft.
4. The elevator hoistway pit entry water monitoring device of claim 3, wherein:
the color changing label appears white when not wetted with water and changes from white to red when wetted with water.
5. The elevator hoistway pit entry water monitoring device of claim 1, wherein:
elevator well pit monitoring device of intaking still includes vision detector (20), vision detector (20) set up the top of color-changing part (10) is used for detecting the colour of color-changing part (10).
6. The elevator hoistway pit inflow monitoring apparatus of claim 5, wherein the visual detector (20) is a camera.
7. The elevator hoistway pit entry water monitoring device of claim 5, wherein:
the elevator shaft pit water inlet monitoring device further comprises a judging device, and the judging device is suitable for judging whether water enters the elevator shaft pit or not according to the color detected by the visual detector (20).
8. The elevator hoistway pit entry water monitoring device of claim 7, wherein:
the elevator shaft pit water inlet monitoring device further comprises an alarm device, and the alarm device is used for judging whether the elevator shaft pit water inlet occurs or not through the judgment device and giving an alarm.
9. The elevator hoistway pit entry water monitoring device of claim 7, wherein:
elevator well pit monitoring device of intaking still includes controlling means, controlling means is in judge the device judges elevator well pit closes elevator host computer power when intaking, makes elevator car remove the highest floor to heavy effect down, prevents that the water logging from soaking elevator car and electrical equipment.
10. The elevator hoistway pit entry monitoring device of claim 9, wherein:
the elevator shaft pit water inflow monitoring device also comprises a drainage device (30), the drainage device (30) is arranged in the elevator shaft pit,
when the judging device judges that the elevator shaft pit is flooded, the control device starts the drainage device (30) so as to discharge the water in the elevator shaft pit to the outside.
11. The elevator hoistway pit entry water monitoring device of claim 10, wherein the drainage device (30) is a submersible pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270162.XA CN111776901A (en) | 2019-04-04 | 2019-04-04 | Elevator shaft pit water inlet monitoring device |
| PCT/CN2019/101381 WO2020199456A1 (en) | 2019-04-04 | 2019-08-19 | Water ingress monitoring device for elevator shaft pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270162.XA CN111776901A (en) | 2019-04-04 | 2019-04-04 | Elevator shaft pit water inlet monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111776901A true CN111776901A (en) | 2020-10-16 |
Family
ID=72664616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910270162.XA Pending CN111776901A (en) | 2019-04-04 | 2019-04-04 | Elevator shaft pit water inlet monitoring device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111776901A (en) |
| WO (1) | WO2020199456A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4907102B2 (en) * | 2005-01-19 | 2012-03-28 | 三菱樹脂株式会社 | Laminated sheet for design coating and laminated sheet coated metal sheet |
| CN101934964B (en) * | 2010-08-27 | 2012-11-14 | 日立电梯(上海)有限公司 | Waterlogging prevention elevator sill |
| JP6289588B1 (en) * | 2016-11-14 | 2018-03-07 | 東芝エレベータ株式会社 | Operation button device |
| CN207209654U (en) * | 2017-09-12 | 2018-04-10 | 江南嘉捷电梯股份有限公司 | One kind detection elevator pit water inlet warning device |
-
2019
- 2019-04-04 CN CN201910270162.XA patent/CN111776901A/en active Pending
- 2019-08-19 WO PCT/CN2019/101381 patent/WO2020199456A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2020199456A1 (en) | 2020-10-08 |
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