CN220223124U - Elevator brake monitoring device based on internet of things - Google Patents
Elevator brake monitoring device based on internet of things Download PDFInfo
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- CN220223124U CN220223124U CN202320765082.3U CN202320765082U CN220223124U CN 220223124 U CN220223124 U CN 220223124U CN 202320765082 U CN202320765082 U CN 202320765082U CN 220223124 U CN220223124 U CN 220223124U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000005856 abnormality Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model discloses an elevator band-type brake monitoring device based on the internet of things technology, and relates to the technical field of elevator detection. The lock nut is installed on the movable block base, one end of the reflecting grating is fixed on the movable block base through the lock nut, the other end of the reflecting grating is installed at the bottom of the TM003A sensor through the fixed block base, the fixed block base is provided with a threaded hole, the TM003A sensor is fixed below the PCB through bolt connection, and the wireless network communication module is installed above the PCB. The sensor adopted by the device has the advantages of small volume, high accuracy, good stability, convenient installation and low requirements on environment, is mainly used for monitoring the brake clearance of the elevator in real time, discovering abnormality in advance and alarming to a user in time through the APP, effectively preventing the occurrence of elevator safety accidents and improving the use safety of the elevator.
Description
Technical Field
The utility model relates to the technical field of elevator detection, in particular to an elevator band-type brake monitoring device based on the internet of things technology.
Background
With the development of society, elevators are increasingly applied to daily life of people, but the accident rate of the elevators is also increased, and accidents caused by brake faults are certainly one of the main reasons for elevator accidents. The quality of the braking performance of the brake will directly affect the safety performance of the elevator. Elevator band-type brakes are very important components in elevator brakes, and the abrasion degree of the elevator band-type brakes directly influences the braking force. The average brake wheel to brake shoe clearance according to GB/T13435-92 is not more than 0.7mm. The elevator electrical system can only detect whether the elevator band-type brake is currently opened or closed, and the actual size of the gap can only be measured manually on site by a maintenance person, so that elevator safety accidents caused by inaccurate detection or untimely detection can occur.
Therefore, the elevator band-type brake monitoring device based on the internet of things can effectively reduce elevator safety accidents caused by brake band-type brake operation, insufficient braking force and car sliding, and has important significance for guaranteeing elevator safety.
Disclosure of Invention
The utility model aims to provide an elevator band-type brake monitoring device based on the internet of things technology, which is used for monitoring elevator band-type brake gaps in real time, finding abnormality in advance and alarming to a user in time through APP, so that the occurrence of elevator safety accidents is effectively prevented, and the use safety of an elevator is improved.
The utility model provides an elevator band-type brake monitoring device based on the internet of things technology, wherein a lock nut (1) is arranged on a movable block base (2), one end of a reflecting grating (3) is fixed on the movable block base (2) through the lock nut (1), the other end of the reflecting grating is arranged at the bottom of a TM003A sensor (4) through a fixed block base (5), the TM003A sensor (4) is fixedly arranged below a PCB (6), and a wireless network communication module (7) is arranged above the PCB (6).
Preferably, the TM003A sensor is provided with a plurality of sets of transmitting electrodes and receiving electrodes; the reflecting grating is provided with a plurality of mutually insulated reflecting electrodes and barrier electrodes.
Preferably, the mutually matched multiple groups of emission electrodes and multiple reflection electrodes are matched one to one.
Preferably, the movable block base is arranged on the movable plate of the elevator band-type brake, and the fixed block base is arranged on the static plate of the elevator band-type brake.
Preferably, the wireless network communication module adopts an ESP32 chip.
Preferably, the wireless network communication module obtains elevator band-type brake clearance data after data processing of the measurement result output by the TM003A, and uploads the data to the cloud database through wireless network communication.
Preferably, the fixed block base is provided with a threaded hole, and the TM003A sensor is fixed below the PCB through a bolt.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description briefly describes the drawings that are required to be used in the embodiments.
Fig. 1 is a schematic structural diagram of an elevator brake monitoring device based on the internet of things technology.
Fig. 2 is a schematic view of an installation position of the device provided by the utility model.
Fig. 3 is a schematic structural diagram of the TM003A sensor and the reflective grating provided by the present utility model.
Fig. 4 is a schematic diagram of connection between a sensor and a data processing module according to the present utility model.
Fig. 5 is a flow chart of data analysis and prediction provided by the present utility model.
The device comprises a lock nut 1, a movable block base 2, a reflecting grating 3, a TM003A sensor 4, a fixed block base 5, a PCB 6 and a wireless network communication module 7.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and the detailed description.
The utility model provides an elevator band-type brake monitoring device based on the internet of things technology. Fig. 1 shows an elevator brake monitoring device based on the internet of things technology, which is 0.01mm in accuracy. The device comprises a lock nut 1, a movable block base 2, a reflecting grating 3, a TM003A sensor 4, a fixed block base 5, a PCB 6 and a wireless network communication module 7. The lock nut 1 is installed on the movable block base 2, one end of the reflecting grating 3 is fixed on the movable block base 2 through the lock nut 1, the other end of the reflecting grating is installed at the bottom of the TM003A sensor 4 through the fixed block base 5, the reflecting grating 3 is in sliding connection with the fixed block base 5 and the TM003A sensor 4, the reflecting grating 3 can slide relative to the fixed block base 5, the fixed block base is provided with a threaded hole, the TM003A sensor is fixed below a PCB board through bolt connection, and a wireless network communication module is installed above the PCB board.
The installation position of the elevator brake monitoring device based on the internet of things technology is shown in fig. 2.
A transmitting electrode and a receiving electrode are arranged on the TM003A sensor; the reflecting grating is provided with a reflecting electrode and a barrier electrode which are mutually insulated, wherein a TM003A sensor and an ESP32 module are arranged on the fixed block base, and the reflecting grating is fixed on the movable block base. The TM003A sensor has five sets of 40 emitter electrodes, 8 each connected together, and an elongated receiver electrode. The reflective grating has a plurality of reflective electrodes and a barrier electrode, which are insulated from each other, and one reflective electrode works in cooperation with a set of emitter electrodes, as shown in fig. 3. The electric field exists between the transmitting electrode and the reflecting electrode, and the reflecting electrode and the receiving electrode, so that the output signal on the receiving electrode changes along with the change of the relative areas of the transmitting electrode and the reflecting electrode because the reflecting electrode plays roles of capacitive coupling and charge transmission.
The band-type brake monitoring device based on the Internet of things technology is characterized in that a movable block base of the band-type brake monitoring device based on the Internet of things technology is arranged on an elevator band-type brake movable plate, and a fixed block base is arranged on an elevator band-type brake static plate.
The sensor and the reflecting grating are used for measuring the gap of the band-type brake, when the movable block is displaced to a certain extent, the relative area of the transmitting electrode and the reflecting electrode is changed, the electric charge on the reflecting electrode is changed, the electric charge is transferred to the receiving electrode, the accumulated electric charge on the receiving electrode is in direct proportion to the displacement, and data are output after being processed by the arithmetic unit.
And the ESP32 module is used for processing the measurement result output by the TM003A to obtain elevator band-type brake clearance data, and uploading the data to the cloud database through wireless network communication.
The sensor is wired to the data processing module as shown in fig. 4. :
the cloud database analyzes and processes the data obtained in the step S2, a data analysis flow chart is shown in fig. 5, and when the monitored data exceeds a set threshold value by comparing with historical data in the history, the cloud database judges whether the elevator band-type brake is abnormal or not, sends an elevator stop operation signal to an elevator electric system, and simultaneously sends an elevator fault alarm to a user side APP.
According to the elevator brake monitoring system, the elevator brake is monitored in real time, so that the abnormal condition of the elevator brake is timely found, and elevator maintenance personnel are informed of overhauling the fault elevator. The elevator safety accident caused by the operation of the brake with the brake, insufficient braking force and sliding is effectively reduced, so that the safety of the elevator is improved.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. Elevator band-type brake monitoring devices based on internet of things, including lock nut (1), its characterized in that: the utility model discloses a wireless network communication module, including movable block base (2), lock nut (1), reflecting grating (3), fixed block base (2), fixed block base (5), TM003A sensor (4) bottom, TM003A sensor (4) fixed mounting is in PCB board (6) below, wireless network communication module (7) is installed to PCB board (6) top.
2. The elevator brake monitoring device based on the internet of things technology, as set forth in claim 1, is characterized in that a plurality of groups of transmitting electrodes and receiving electrodes are arranged on the TM003A sensor (4); the reflecting grating (3) is provided with a plurality of mutually insulated reflecting electrodes and barrier electrodes.
3. The elevator brake monitoring device based on the internet of things technology according to claim 2, wherein: the mutually matched multiple groups of emission electrodes and the multiple reflection electrodes are matched one to one.
4. The elevator brake monitoring device based on the internet of things technology according to claim 1, wherein: the movable block base (2) is arranged on the elevator band-type brake movable plate, and the fixed block base (5) is arranged on the elevator band-type brake static plate.
5. The elevator band-type brake monitoring device based on the internet of things technology according to claim 1, wherein: the wireless network communication module (7) adopts an ESP32 chip.
6. The elevator brake monitoring device based on the internet of things technology of claim 5, wherein: and the wireless network communication module (7) processes the measurement result output by the TM003A to obtain elevator band-type brake clearance data, and uploads the data to the cloud database through wireless network communication.
7. The elevator brake monitoring device based on the internet of things technology, which is characterized in that the fixed block base (5) is provided with a threaded hole, and the TM003A sensor (4) is fixed below the PCB (6) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320765082.3U CN220223124U (en) | 2023-04-10 | 2023-04-10 | Elevator brake monitoring device based on internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320765082.3U CN220223124U (en) | 2023-04-10 | 2023-04-10 | Elevator brake monitoring device based on internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220223124U true CN220223124U (en) | 2023-12-22 |
Family
ID=89175940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320765082.3U Active CN220223124U (en) | 2023-04-10 | 2023-04-10 | Elevator brake monitoring device based on internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220223124U (en) |
-
2023
- 2023-04-10 CN CN202320765082.3U patent/CN220223124U/en active Active
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