CN215248889U

CN215248889U - Elevator multi-parameter detection device

Info

Publication number: CN215248889U
Application number: CN202120391402.4U
Authority: CN
Inventors: 张伟; 林凯明; 李怀珠; 何祖恩; 鲍才瑜
Original assignee: GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH ZHONGSHAN BRANCH; Fuzhou Xin'ao Tena Science & Technology Co ltd
Current assignee: GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH ZHONGSHAN BRANCH; Fuzhou Xin'ao Tena Science & Technology Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-12-21
Anticipated expiration: 2031-02-22

Abstract

The utility model provides an elevator multi-parameter detection device, which comprises a handheld device end, a speed measuring end and a detection guide rail bracket spacing end; the handheld device end comprises a first MCU, a first Bluetooth module, a first OLED display module and a first FLASH memory; the speed measuring end comprises a second MCU, a second Bluetooth module, a rotary encoder and an acceleration sensor; the detection guide rail bracket distance end comprises a third MCU, a third Bluetooth module and a multi-path infrared laser ranging sensor; the first Bluetooth module, the first OLED display module and the first FLASH memory are respectively connected with the first MCU through a UART serial port, an IIC interface and an SPI interface of the first MCU; the second Bluetooth module, the rotary encoder and the acceleration sensor are respectively connected with the second MCU through a UART serial port, an IO interface and a UART serial port of the second MCU; the third Bluetooth module and the multi-path infrared laser ranging sensor are respectively connected with the third MCU through a UART serial port of the third MCU; the inspection efficiency can be improved.

Description

Elevator multi-parameter detection device

Technical Field

The utility model relates to an elevator detects technical field, especially an elevator multi-parameter detection device.

Background

The special automatic measuring instrument for the distance between the guide rail supports of the domestic elevator mostly adopts a proximity switch or a similar switch as a scheme for detecting the positions of the supports, such as a precision testing technology of Tianjin university and Guo Lifeng and the like of an instrument national key laboratory, and adopts a photoelectric proximity switch and a lift car stroke measuring device for measurement; the Anhui Gu Tefu electronics technology Limited company adopts an encoder arranged on an elevator guide rail and an approach switch arranged on an elevator guide rail bracket or a light screen to realize measurement; the Guangdong province special equipment detection research institute pearl sea detection institute adopts proximity sensor to gather the fixed bolster position.

The escalator and moving sidewalk braking deceleration measuring device is typically an operation parameter measuring device developed by the sezuku detection institute of special equipment in Guangdong province, and the device uses a signal acquisition module capable of being quickly installed (disassembled) to respectively acquire step speed, handrail belt speed and running distance signals in real time, combines synchronous braking signals, and can obtain the escalator running speed, the handrail belt speed (synchronous deviation), the braking distance and the maximum deceleration value through certain signal processing and calculation.

The prior art has the following defects: for the measurement of the distance between the guide rail supports, related domestic special instruments mostly adopt a scheme of an encoder and a proximity switch for measurement, the installation of the contact sensor is inevitably influenced by the field equipment installation environment, the installation of the proximity switch has strict requirements on the distance, and therefore the guide rail supports are installed differently, and the type and the specification of the guide rail inevitably influence the measurement efficiency and the measurement precision.

The emphasis on the research of the comprehensive measuring device for the escalator and the moving sidewalk is mostly focused on stopping distance. For braking deceleration, later data processing is often omitted, an original deceleration signal which does not meet the requirement of GB16899-2011 is filtered by a 4.0 Hz two-order Butterworth filter, most of the signals do not have a manual analysis function, a measurement result is often directly given, and an effective analysis means is lacked in the braking deceleration process.

Disclosure of Invention

In order to overcome the problems, the utility model aims at providing an elevator multi-parameter detection device, can detect the guide rail bracket interval of vertical ladder, can gather escalator and moving walk's step speed, handrail area speed, running distance simultaneously to obtain escalator and moving walk's functioning speed, system stop speed.

The utility model discloses a following scheme realizes: an elevator multi-parameter detection device comprises a handheld device end, a speed measuring end and a detection guide rail bracket spacing end; the handheld device end comprises a first MCU, a first Bluetooth module, a first OLED display module and a first FLASH memory; the speed measuring end comprises a second MCU, a second Bluetooth module, a rotary encoder and an acceleration sensor; the detection guide rail bracket distance end comprises a third MCU, a third Bluetooth module and a multi-path infrared laser ranging sensor; the first Bluetooth module, the first OLED display module and the first FLASH memory are respectively connected with the first MCU through a UART serial port, an IIC interface and an SPI interface of the first MCU; the second Bluetooth module, the rotary encoder and the acceleration sensor are respectively connected with the second MCU through a UART serial port, an IO interface and a UART serial port of the second MCU; the third Bluetooth module and the multi-path infrared laser ranging sensor are respectively connected with the third MCU through a UART serial port of the third MCU; the second MCU is communicated with the first MCU through a second Bluetooth module and a first Bluetooth module, and the third MCU is communicated with the first MCU through a third Bluetooth module and the first Bluetooth module.

Furthermore, the speed measuring end further comprises a second FLASH memory, and the second FLASH memory is connected with the second MCU through an SPI interface of the second MCU.

Furthermore, the detection guide rail bracket distance end further comprises a third FLASH memory and a second OLED display module, and the third FLASH memory and the second OLED display module are respectively connected with the third MCU through an SPI interface and an IIC interface of the third MCU.

Furthermore, the infrared laser ranging sensor adopts a SEN0366 infrared laser ranging sensor.

Further, the acceleration sensor adopts an ACT2100 series acceleration sensor.

The beneficial effects of the utility model reside in that: the utility model utilizes a multipath infrared laser ranging sensor, a high-precision acceleration sensor, a high-precision rotary encoder and the like to acquire data, constructs an embedded device taking a high-performance microprocessor as a core, and completes the detection of relevant parameters of the elevator; the elevator is used for measuring the distance between the guide rail brackets in operation by using non-contact sensors such as a multi-channel infrared laser ranging sensor and a high-precision acceleration sensor as measuring modules. The high-precision rotary encoder and the high-precision acceleration sensor are used for respectively measuring the step speed, the handrail belt speed and the running distance, so that the real and effective running speed and stopping speed data of the escalator and the moving sidewalk are obtained.

Drawings

Fig. 1 is a schematic block diagram of the apparatus of the present invention.

Fig. 2 is a schematic diagram of a detailed circuit structure of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, the elevator multi-parameter detecting device of the present invention includes a handheld device end 1, a speed measuring end 2, and a detecting rail bracket spacing end 3; the handheld device terminal 1 comprises a first MCU11, a first Bluetooth module 12, a first OLED display module 13 and a first FLASH memory 14; the speed measuring end 2 comprises a second MCU21, a second Bluetooth module 22, a rotary encoder 23 and an acceleration sensor 24; the detection guide rail bracket distance end 3 comprises a third MCU31, a third Bluetooth module 32 and a multi-path infrared laser ranging sensor 33; the first bluetooth module 12, the first OLED display module 13 and the first FLASH memory 14 are respectively connected with the first MCU11 through the UART serial port, the IIC interface and the SPI interface of the first MCU 11; the second bluetooth module 22, the rotary encoder 23 and the acceleration sensor 24 are respectively connected with the second MCU21 through the UART serial port, the IO interface and the UART serial port of the second MCU 21; the third bluetooth module 32 and the multi-path infrared laser ranging sensor 33 are respectively connected with the third MCU31 through a UART serial port of the third MCU 31; the second MCU21 communicates with the first MCU11 through the second bluetooth module 22 and the first bluetooth module 12, and the third MCU31 communicates with the first MCU through the third bluetooth module 32 and the first bluetooth module 12. The second MCU of the speed measuring end 2 can send parameters such as step speed and handrail belt speed obtained by the acceleration sensor, angular speed, angular displacement and running distance obtained by the rotary encoder 23 and the like to the first MCU of the handheld device end 1 through the second Bluetooth module and the first Bluetooth module; the third MCU of the spacing end 3 of the guide rail bracket can send the spacing of the guide rail bracket obtained by the multi-path infrared laser ranging sensor 33 to the first MCU of the handheld device end 1 through the third Bluetooth module and the first Bluetooth module; the first MCU can calculate parameters such as step speed, handrail belt speed, angular displacement, running distance, and rail bracket distance, or display the parameters to an operator through the first OLED display module 13, or store the parameters through the first FLASH memory 14.

The speed measuring terminal 2 further includes a second FLASH memory 25, the second FLASH memory 25 is connected to the second MCU21 through an SPI interface of the second MCU21, that is, the elevator parameters obtained by the speed measuring terminal can be stored in the second FLASH memory.

The detection guide rail bracket distance end 3 further comprises a third FLASH memory 34 and a second OLED display module 35, wherein the third FLASH memory 34 and the second OLED display module 35 are respectively connected with the third MCU through an SPI interface and an IIC interface of a third MCU 31. The distance between the guide rail brackets obtained by the multi-path infrared laser ranging sensor 33 can be stored by the third FLASH memory 34 or displayed to the operator by the second OLED display module 35.

In the present invention, the acceleration sensor 24 is an ACT2100 series acceleration sensor. The rotary encoder is a POSITAL rotary encoder which can be of the OCD-CAA1B-1213-T100-2RW type. The infrared laser ranging sensor 33 adopts a SEN0366 infrared laser ranging sensor. Other types of sensors may be used in practice. Wherein, MCU adopts 51 series singlechip or STM32 series chip.

The utility model discloses a theory of operation does: when detecting the guide rail bracket distance of the straight ladder: the first operator holds the handheld device end, the second operator holds the speed measuring end 2 and the distance end 3 of the guide rail support, the second operator uses a multi-channel infrared laser ranging sensor for detecting the distance end 3 of the guide rail support and non-contact sensors such as a high-precision acceleration sensor of the speed measuring end 2 as measuring modules, the multi-channel infrared laser ranging sensor obtains the distance between the guide rail supports of the elevator, the high-precision acceleration sensor obtains the running speed of the elevator, and the second MCU can send parameters such as the speed of the elevator obtained by the acceleration sensor to the first MCU of the handheld device end 1 of the first operator through the second Bluetooth module and the first Bluetooth module; the third MCU of the spacing end 3 of the guide rail bracket can send the spacing of the guide rail bracket obtained by the multi-path infrared laser ranging sensor 33 to the first MCU of the handheld device end 1 through the third Bluetooth module and the first Bluetooth module; in this way the operator-side hand-held device can obtain a measurement of the distance of the guide rail brackets during operation of the elevator. Wherein, speed measurement end 2 and detection guide rail bracket interval end 3 all communicate with the handheld device end through bluetooth module, and speed measurement end 2, detection guide rail bracket interval end 3, handheld device end homoenergetic separately operate like this, and it is very convenient to operate.

When detecting an escalator or a moving sidewalk: the first operator holds the handheld device end, the second operator holds the speed measuring end 2, and the second MCU of the speed measuring end 2 can send parameters such as step speed and handrail belt speed obtained by the acceleration sensor, angular speed, angular displacement and running distance obtained by the rotary encoder 23 and the like to the first MCU of the handheld device end 1 through the second Bluetooth module and the first Bluetooth module; and the second operator utilizes the high-precision rotary encoder and the high-precision acceleration sensor to respectively measure the step speed, the handrail belt speed and the running distance, so that the handheld equipment end of the first operator can obtain real and effective running speed and braking speed data of the escalator and the moving sidewalk through the first MCU.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The elevator multi-parameter detection device is characterized in that: the device comprises a handheld device end, a speed measuring end and a guide rail bracket distance detecting end; the handheld device end comprises a first MCU, a first Bluetooth module, a first OLED display module and a first FLASH memory; the speed measuring end comprises a second MCU, a second Bluetooth module, a rotary encoder and an acceleration sensor; the detection guide rail bracket distance end comprises a third MCU, a third Bluetooth module and a multi-path infrared laser ranging sensor; the first Bluetooth module, the first OLED display module and the first FLASH memory are respectively connected with the first MCU through a UART serial port, an IIC interface and an SPI interface of the first MCU; the second Bluetooth module, the rotary encoder and the acceleration sensor are respectively connected with the second MCU through a UART serial port, an IO interface and a UART serial port of the second MCU; the third Bluetooth module and the multi-path infrared laser ranging sensor are respectively connected with the third MCU through a UART serial port of the third MCU; the second MCU is communicated with the first MCU through a second Bluetooth module and a first Bluetooth module, and the third MCU is communicated with the first MCU through a third Bluetooth module and the first Bluetooth module.

2. The elevator multi-parameter detection device according to claim 1, characterized in that: the speed measuring end also comprises a second FLASH memory, and the second FLASH memory is connected with the second MCU through an SPI interface of the second MCU.

3. The elevator multi-parameter detection device according to claim 1, characterized in that: the detection guide rail bracket distance end further comprises a third FLASH memory and a second OLED display module, and the third FLASH memory and the second OLED display module are connected with the third MCU through an SPI interface and an IIC interface of the third MCU respectively.

4. The elevator multi-parameter detection device according to claim 1, characterized in that: the infrared laser ranging sensor adopts the SEN0366 infrared laser ranging sensor.

5. The elevator multi-parameter detection device according to claim 1, characterized in that: the acceleration sensor adopts an ACT2100 series acceleration sensor.