CN215573222U

CN215573222U - Elevator pit water level monitoring device

Info

Publication number: CN215573222U
Application number: CN202122324147.4U
Authority: CN
Inventors: 林捷晖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an elevator pit water level monitoring device, which belongs to the field of elevators and comprises a base, wherein the upper end of the base is positioned inside a protective cover and is fixedly connected with a connector, a plurality of rectangular windows are arranged on the outer wall of the connector, a protective shell is connected with the connector in an internal thread manner, an alarm device is fixedly connected with the upper end of the protective shell, a control mainboard is detachably connected in the protective shell, and the lower end of the control mainboard is connected with a battery. When the elevator pit water level alarm is used, when water enters the elevator pit, an alarm can be given to a worker, and meanwhile, sounds with different intensities can be given to remind the worker that the continuously rising accumulated water exists in the elevator pit according to different water levels, so that the worker can make maintenance preparation in advance.

Description

Elevator pit water level monitoring device

Technical Field

The utility model relates to the field of elevators, in particular to an elevator pit water level monitoring device.

Background

The part of the hoistway below the lowest landing served by the elevator car is called the pit. A large amount of electrical equipment exists in the pit, water easily permeates into the pit through a door opening of the lowermost hoistway of the elevator and the wall of the elevator pit and is gathered in the pit in the using process of the elevator, and the water in the pit has large influence on the electrical equipment in the pit after being gathered to a certain amount.

Chinese patent discloses an elevator pit water level monitoring device (No. CN213363962U), which, after water enters the pit, water flows into the water accumulation tank along the inclination of the bottom of the pit, so that the water in the pit is concentrated in the water accumulation tank, wherein, the water is concentrated in the water accumulation groove to avoid that the water cannot be detected due to too little water in the pit, the floating ball floats upwards after the water is concentrated in the water accumulation groove, when the floating ball pushes the upright post out of the via hole, the upright post can be detected by the photoelectric proximity switch, wherein, the photoelectric proximity switch is connected with the elevator main control board, and the photoelectric proximity switch sends a signal to the elevator main control board when monitoring that the vertical rod passes through, so as to prompt that water enters the pit, so that related personnel can know that water enters the elevator pit in time, but this patent structure is too simple, can't judge whether the problem that whether ponding in the pit exists the continuous rising, can't react the condition of ponding in the pit. Therefore, the present invention provides an elevator pit water level monitoring device to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elevator pit water level monitoring device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an elevator pit water level monitoring device comprises a base, wherein the upper end of the base is positioned inside a protective cover and is fixedly connected with a connector, a plurality of rectangular windows are arranged on the outer wall of the connector, the connector is internally threaded with a protective shell, the upper end of the protective shell is fixedly connected with an alarm device, a control mainboard is detachably connected in the protective shell, the lower end of the control mainboard is connected with a battery, the lower end of the battery is connected with a fixed plate, the lower end of the fixed plate is fixedly connected with a stand column, two conducting strips are pasted on the outer wall of the stand column and are not in contact with each other, a conducting ring is sleeved outside the stand column and is positioned below the conducting strips, the lower end of the conducting ring is clamped with a buoyancy plate, the conducting ring is movably connected with the protective shell, two elastic pieces are fixed inside the conducting ring and are connected with each other through a wire, and the alarm device is electrically connected with the control main board and the conducting strip.

As a further scheme of the utility model, the upper end of the base is fixedly connected with a protective cover, and a plurality of rectangular windows penetrate through the side wall of the protective cover.

As a further scheme of the utility model, two limiting blocks are arranged on the outer wall of the conducting ring, two sliding grooves are formed in the inner wall of the protective shell, the two limiting blocks are respectively located in the two sliding grooves, and the limiting blocks are slidably connected with the protective shell through the sliding grooves.

As a further scheme of the present invention, the first conductive sleeve, the second conductive sleeve and the third conductive sleeve are fixedly connected to the column in sequence from bottom to top.

As a still further aspect of the present invention, the resistance value of the first conductive sleeve is larger than the resistance value of the second conductive sleeve, and the resistance value of the second conductive sleeve is larger than the resistance value of the third conductive sleeve.

As a further scheme of the present invention, the alarm device is electrically connected to the control motherboard, the first conductive sleeve, the second conductive sleeve, the third conductive sleeve and the conductive ring.

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

1. when having ponding in the elevator pit, ponding can promote the inside top of protective housing to electrically conductive ring through the buoyancy board along with the water level rising of ponding, the conducting ring can remove along the spout on the protective housing inner wall, when the conducting ring removed the position of conducting strip, two elastic pieces can contact with two conducting strips respectively, thereby alarm device can be triggered and report to the police when elastic piece and conducting strip contact, control mainboard can send signal for the PC terminal in the building control room when alarm device takes place to report to the police, thereby remind the staff in time to look over the maintenance.

2. When the alarm device is used, the alarm device gives an alarm when the conducting ring is in contact with the first conducting sleeve, the conducting ring is in contact with the second conducting sleeve along with the rising of the water level of accumulated water, the sound given by the alarm device is stronger when the conducting ring is in contact with the second conducting sleeve, and the alarm device gives a louder alarm when the conducting ring is in contact with the third conducting sleeve in sequence.

3. When the elevator pit water level alarm is used, when water enters the elevator pit, an alarm can be given to a worker, and meanwhile, sounds with different intensities can be given to remind the worker that the continuously rising accumulated water exists in the elevator pit according to different water levels, so that the worker can make maintenance preparation in advance.

Drawings

Fig. 1 is a schematic structural diagram of an elevator pit water level monitoring device.

Fig. 2 is an exploded view of an elevator pit water level monitoring apparatus.

Fig. 3 is a schematic view of the connection between a conductive ring and a protective shell in an elevator pit water level monitoring device.

Fig. 4 is a schematic structural diagram of a conductive ring and a buoyancy plate in an elevator pit water level monitoring device.

Fig. 5 is a schematic diagram of electrical connections of an alarm device, a control main board and a conducting strip in an elevator pit water level monitoring device.

Fig. 6 is a schematic diagram of the connection of a first conductive sleeve, a second conductive sleeve and a third conductive sleeve with a column in an elevator pit water level monitoring device.

Fig. 7 is a schematic diagram of electrical connections among an alarm device, a control motherboard, a first conductive sleeve, a second conductive sleeve, a third conductive sleeve and a conductive ring in an elevator pit water level monitoring device.

In the figure: 1. a base; 2. a protective cover; 3. a connector; 4. a protective shell; 5. an alarm device; 6. a protective sleeve; 7. a control main board; 8. a battery; 9. a fixing plate; 10. a column; 11. a conductive sheet; 12. conducting rings; 13. a buoyancy plate; 14. an elastic sheet; 15. a limiting block; 110. a first conductive sleeve; 111. a second conductive sleeve; 112. and a third conductive sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 5, in the embodiment of the utility model, an elevator pit water level monitoring device comprises a base 1, a plurality of fixing holes are formed in the upper end of the base 1, a protective cover 2 is fixedly connected to the upper end of the base 1, a plurality of rectangular windows are formed in the side wall of the protective cover 2 in a penetrating manner, external foreign matters can be prevented from entering the device through the protective cover 2, a connector 3 is fixedly connected to the upper end of the base 1 and positioned inside the protective cover 2, a plurality of rectangular windows are formed in the outer wall of the connector 3, the length and the width of the rectangular window on the connector 3 are respectively smaller than those of the rectangular windows on the protective cover 2, the rectangular windows arranged on the connector 3 can be used for blocking the external foreign matters, a protective shell 4 is connected to the connector 3 in a threaded manner, an alarm device 5 is fixedly connected to the upper end of the protective shell 4, a protective sleeve 6 is sleeved outside the alarm device 5, and the protective sleeve 6 is movably connected with the protective shell 4, a control mainboard 7 is detachably connected in the protective shell 4, the control mainboard 7 is detachably connected with the protective shell 4 through screws, the control mainboard 7 can be in wireless signal transmission with a PC terminal, the lower end of the control mainboard 7 is connected with a battery 8, the lower end of the battery 8 is connected with a fixed plate 9, the fixed plate 9 is detachably connected with the protective shell 4 through screws, the lower end of the fixed plate 9 is fixedly connected with an upright post 10, the upright post 10 is an insulator, two conducting plates 11 are pasted on the outer wall of the upright post 10, the height of the two conducting plates 11 can be adjusted according to a critical value water level, the conducting plates can be pasted on the proper positions of the upright post 10 according to the critical value water level, the two conducting plates 11 are not contacted, a conducting ring 12 is sleeved outside the upright post 10 below the conducting plates 11, a buoyancy plate 13 is clamped at the lower end of the conducting ring 12, and the conducting ring 12 is movably connected with the protective shell 4, two limit blocks 15 are arranged on the outer wall of the conducting ring 12, two sliding grooves are arranged on the inner wall of the protective shell 4, the length of each sliding groove is smaller than that of the protective shell 4, the two limit blocks 15 are respectively positioned in the two sliding grooves, the limiting block 15 is connected with the protective shell 4 in a sliding way through a sliding groove, two elastic pieces 14 are fixed inside the conducting ring 12, the elastic pieces 14 are made of copper materials, the two elastic pieces 14 are connected through a conducting wire, the alarm device 5 is electrically connected with the control main board 7 and the conducting piece 11, two wiring terminals are arranged on the alarm device 5, one of the connecting terminals is connected with the control mainboard 7 through a wire, the other connecting terminal is connected with one conducting strip 11 through a wire, (the conducting strip 11 which is not connected with the alarm device 5) the other conducting strip 11 is connected with the control mainboard 7 through a wire, the battery 8 is electrically connected with the control mainboard 7, and the alarm device 5 and the control mainboard 7 can be supplied with power through the battery 8.

The principle of the embodiment is as follows:

fix this device in the elevator pit before using, when having ponding in the elevator pit, ponding can promote conducting ring 12 to the inside top of protective housing 4 through buoyancy plate 13 along with the water level of ponding risees, conducting ring 12 can remove along the spout on the 4 inner walls of protective housing, when conducting ring 12 removes the position of conducting strip 11, two elastic sheet 14 can contact with two conducting strips 11 respectively, thereby alarm device 5 can be triggered and take place to report to the police when elastic sheet 14 contacts with conducting strip 11, control mainboard 7 can send signal for the indoor PC terminal of building control when alarm device 5 takes place to report to the police, thereby remind the staff in time to look over the maintenance.

Example two:

referring to fig. 6 and 7, the difference between the embodiments 1 is that a first conductive sleeve 110, a second conductive sleeve 111 and a third conductive sleeve 112 are fixedly connected to the column 10 from bottom to top in sequence, a resistance value of the first conductive sleeve 110 is greater than a resistance value of the second conductive sleeve 111, a resistance value of the second conductive sleeve 111 is greater than a resistance value of the third conductive sleeve 112, the alarm device 5 is electrically connected to the control motherboard 7, the first conductive sleeve 110, the second conductive sleeve 111, the third conductive sleeve 112 and the conductive ring 12, the alarm device 5 has two terminals, one of the connection terminals is connected with the control main board 7 through a wire, the other connection terminal is connected with the first conductive sleeve 110, the second conductive sleeve 111, the third conductive sleeve 112 and the conductive ring 12 through wires, the wire between the alarm device 5 and the conductive ring 12 is a spring wire, and the elastic sheet 14 in the conductive ring 12 is connected with the wire between the alarm device 5 and the conductive ring 12 through a wire.

The principle of the embodiment is as follows:

when the alarm device is used, the alarm device 5 gives an alarm when the conducting ring 12 is in contact with the first conducting sleeve 110, the conducting ring 12 is in contact with the second conducting sleeve 111 along with the rising of the water level of accumulated water, the sound given by the alarm device 5 is stronger when the conducting ring 12 is in contact with the second conducting sleeve 111, and by analogy, the alarm device 5 gives a louder alarm when the conducting ring 12 is in contact with the third conducting sleeve 112.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The elevator pit water level monitoring device comprises a base (1) and is characterized in that the upper end of the base (1) is located inside a protective cover (2) and is fixedly connected with a connector (3), the outer wall of the connector (3) is provided with a plurality of rectangular windows, the connector (3) is in internal thread connection with a protective shell (4), the upper end of the protective shell (4) is fixedly connected with an alarm device (5), a control mainboard (7) is detachably connected in the protective shell (4), the lower end of the control mainboard (7) is connected with a battery (8), the lower end of the battery (8) is connected with a fixed plate (9), the lower end of the fixed plate (9) is fixedly connected with a stand column (10), the outer wall of the stand column (10) is pasted with two conducting strips (11), the two conducting strips (11) are not in contact with each other, a conducting strip (12) is sleeved outside the stand column (10) below the conducting strips (11), the lower extreme joint of conducting ring (12) has buoyancy board (13), conducting ring (12) and protective housing (4) swing joint, conducting ring (12) inside is fixed with two elastic pieces (14), two connect through the wire between elastic piece (14), electric connection between alarm device (5) and control mainboard (7) and conducting strip (11).

2. The elevator pit water level monitoring device according to claim 1, characterized in that a protective cover (2) is fixedly connected to the upper end of the base (1), and a plurality of rectangular windows are arranged on the side wall of the protective cover (2) in a penetrating manner.

3. The elevator pit water level monitoring device according to claim 1, wherein two limiting blocks (15) are arranged on the outer wall of the conductive ring (12), two sliding grooves are formed in the inner wall of the protective shell (4), the two limiting blocks (15) are respectively located in the two sliding grooves, and the limiting blocks (15) are slidably connected with the protective shell (4) through the sliding grooves.

4. The elevator pit water level monitoring device according to claim 1, characterized in that a first conductive sleeve (110), a second conductive sleeve (111) and a third conductive sleeve (112) are fixedly connected to the upright column (10) from bottom to top in sequence.

5. The elevator pit water level monitoring device according to claim 4, wherein the resistance value of the first conductive sleeve (110) is greater than the resistance value of the second conductive sleeve (111), and the resistance value of the second conductive sleeve (111) is greater than the resistance value of the third conductive sleeve (112).

6. The elevator pit water level monitoring device according to claim 1 or 4, characterized in that the alarm device (5) is electrically connected with the control main board (7), the first conductive sleeve (110), the second conductive sleeve (111), the third conductive sleeve (112) and the conductive ring (12).