CN104961011A - Elevator temperature and humidity detection device and system - Google Patents
Elevator temperature and humidity detection device and system Download PDFInfo
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- CN104961011A CN104961011A CN201510364500.8A CN201510364500A CN104961011A CN 104961011 A CN104961011 A CN 104961011A CN 201510364500 A CN201510364500 A CN 201510364500A CN 104961011 A CN104961011 A CN 104961011A
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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
Abstract
The invention provides an elevator temperature and humidity detection device and system. The elevator temperature and humidity detection device comprises a control module and a temperature and humidity detection module; the control module is connected with the temperature and humidity detection module; the control module is used for acquiring temperature information and humidity information which are detected by the temperature and humidity detection module and sending the acquired temperature information and humidity information to a server; the temperature and humidity detection module is used for detecting the temperature and humidity of an elevator in real time in the elevator running process to obtain the temperature information and humidity information and transmitting the obtained temperature information and humidity information to the control module. Accordingly, managerial personnel of the elevator can learn the temperature and humidity of the elevator in real time, and when the temperature and humidity of the elevator is larger than preset threshold values, the elevator can be stopped running in time.
Description
Technical field
The present invention relates to wireless communication field and elevator intelligent application, in particular to a kind of elevator temperature humidity detecting device and system.
Background technology
Because the floor of present building is more and more higher, people are upper more and more inconvenient downstairs, so downstairs upper for the ease of people, often lift-mounting in high-rise (being generally the building higher than six layers), the vertical conveyor of elevator to be a kind of with electrical motor be power, box like gondola is housed, takes advantage of people or carrying goods for tier building.Like this, just make the people in building by taking elevator, can the upper and lower high-rise of fast speed.
Existing elevator can be measured the weight of the personnel carried in lift car and article in the course of the work in real time, when measuring the weight of people and goods in lift car and exceeding the rated load weight of setting, can send the prompting of elevator overload.
But existing elevator can only be measured in real time to the weight of the personnel carried in lift car and article, but the operating personal of elevator can not be made to learn the temperature and humidity of elevator in real time, make elevator when elevator temperature and humidity exceedes default temperature threshold and humidity threshold, still work on, elevator is worked for a long time in higher temperature and humidity situation, thus cause the aging speed of circuit in elevator to be accelerated, shorten the service life of elevator.
Summary of the invention
The object of the present invention is to provide a kind of elevator temperature humidity detecting device and system, make the operating personal of elevator can learn the temperature and humidity of elevator in real time, thus can, when the temperature humidity of elevator is greater than the threshold value of setting, stop elevator running in time.
First aspect, embodiments provides a kind of elevator temperature humidity detecting device, and described elevator temperature humidity detecting device comprises: control module and temperature humidity detection module;
Described control module, is connected with described temperature humidity detection module;
Described control module, for obtaining the temperature information and humidity information that described temperature humidity detection module detects, and is sent to server by the described temperature information got and described humidity information;
Described temperature humidity detection module, for measuring the temperature and humidity of elevator in running process of elevator in real time, obtains described temperature information and described humidity information, the described temperature information obtained and described humidity information is transferred to described control module.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, wherein, described control module comprises processing unit and radio-cell;
Described processing unit, is connected with described temperature humidity detection module with described radio-cell respectively;
Described processing unit, for obtaining the described temperature information and described humidity information that described temperature humidity detection module detects, and is sent to described radio-cell by the described temperature information got and described humidity information;
Described radio-cell, is sent in described server for the described temperature information that described control module sent and described humidity information.
In conjunction with first aspect, embodiments provide the embodiment that the second of first aspect is possible, wherein, described temperature humidity detection module comprises the first Temperature Humidity Sensor and the second Temperature Humidity Sensor;
Described first Temperature Humidity Sensor is connected with described processing unit respectively with described first Temperature Humidity Sensor.
In conjunction with first aspect, embodiments provide the third possible embodiment of first aspect, wherein, described first Temperature Humidity Sensor is arranged on inside described lift car; For measuring the temperature and humidity in running process of elevator in elevator in real time, and the temperature and humidity in the described elevator measured is delivered to described control module;
Described second Temperature Humidity Sensor is arranged on outside described lift car, for measuring the temperature and humidity in running process of elevator outside elevator in real time, and the temperature and humidity outside the described elevator measured is delivered to described control module.
In conjunction with first aspect, embodiments provide the 4th kind of possible embodiment of first aspect, wherein, described elevator temperature humidity detecting device also comprises: secondary battery;
Described secondary battery, is connected with described control module and described temperature humidity detection module respectively;
Described secondary battery, for being respectively described control module and described temperature humidity detection module is powered.
In conjunction with first aspect, embodiments provide the 5th kind of possible embodiment of first aspect, wherein, described radio-cell, comprises wireless chip and power amplifier;
Wireless chip, and power amplifier electrical connection, and be connected with processing unit by serial peripheral equipment interface SPI, for receiving the elevator status data that processing unit sends, and the elevator status data of reception is sent to server by power amplifier;
Power amplifier, for increasing the signal transmission power sending elevator status data to server.
In conjunction with first aspect, embodiments provide the 6th kind of possible embodiment of first aspect, wherein, described processing unit adopts CoolRunner-II family chip.
In conjunction with first aspect, embodiments provide the 7th kind of possible embodiment of first aspect, wherein, described wireless chip adopts model to be the chip of CC2538.
In conjunction with first aspect, embodiments provide the 8th kind of possible embodiment of first aspect, wherein, described power amplifier adopts model to be the chip of CC2592.
Second aspect, embodiments provides a kind of elevator temperature humidity checking system, and described elevator temperature humidity checking system comprises: server and above-mentioned elevator temperature humidity detecting device;
Described server comprises wireless module and processing module; Described wireless module is connected with described processing module;
Described wireless module, for receiving the temperature information of described elevator temperature humidity detecting device transmission and described humidity information;
Described processing module, for judging whether the described temperature information that receives and described humidity information are greater than the temperature threshold and humidity threshold that preset, when described temperature information and described humidity information are all greater than the described temperature threshold of setting and described humidity threshold, send warning signal.
A kind of elevator temperature humidity detecting device that the embodiment of the present invention provides and system, by set temperature humidity detecting module, learn the temperature and humidity inside and outside elevator in real time, when determining that the temperature and humidity inside and outside elevator exceedes default temperature threshold and humidity threshold, making the operating personal of elevator control elevator in time out of service, and elevator is overhauled, extend the service life of elevator, and the accident avoiding personnel to be trapped in elevator as far as possible occurs, and improves the safety that elevator runs.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of a kind of elevator temperature humidity detecting device that the embodiment of the present invention provides;
Fig. 2 shows the structural representation of a kind of elevator temperature humidity checking system that the embodiment of the present invention provides;
Fig. 3 shows the structural representation of the local side apparatus that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Consider in correlation technique, existing elevator can only be measured in real time to the weight of the personnel carried in lift car and article, but the operating personal of elevator can not be made to learn the temperature and humidity of elevator in real time, make elevator when elevator temperature and humidity exceedes default temperature threshold and humidity threshold, still work on, elevator is worked for a long time in higher temperature and humidity situation, thus causes the aging speed of circuit in elevator to be accelerated, shorten the service life of elevator.Based on this, embodiments provide a kind of elevator temperature humidity detecting device and system.Be described below by embodiment.
See Fig. 1, present embodiments provide a kind of elevator temperature humidity detecting device, this elevator temperature humidity detecting device comprises: control module 10 and temperature humidity detection module 11.
Control module 10, is connected with temperature humidity detection module 11.
Particularly, control module, for obtaining the temperature information and humidity information that temperature humidity detection module 11 detects, and is sent to server by the temperature information got and humidity information.
Wherein, temperature information and humidity information comprise: the temperature information outside the temperature information in elevator and humidity information and elevator and humidity information.
In elevator, refer to that lift car is inner; Outside elevator, refer to that lift car is outside.
By above description, in the elevator temperature humidity detecting device that the present embodiment provides, by set temperature humidity detecting module, learn the temperature and humidity inside and outside elevator in real time, when determining that the temperature and humidity inside and outside elevator exceedes default temperature threshold and humidity threshold, the operating personal of elevator is made to control elevator in time out of service, and elevator is overhauled, extend the service life of elevator, and, the accident avoiding personnel to be trapped in elevator as far as possible occurs, and improves the safety that elevator runs.
Control module 11 comprises processing unit and radio-cell;
Processing unit, is connected with temperature humidity detection module 11 with radio-cell respectively;
Processing unit, for obtaining the temperature information and humidity information that temperature humidity detection module 11 detects, and is sent to radio-cell by the temperature information got and humidity information;
Radio-cell, is sent in server for the temperature information that control module sent and humidity information.
Processing unit except with above-mentioned each model calling except, also leave expansion interface, for increasing new detection module, add the use extendability of elevator temperature humidity detecting device.
Radio-cell comprises: wireless chip and power amplifier; Wireless chip, be electrically connected with power amplifier, and by SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) be connected with processing unit, for receiving temperature information and the humidity information of processing unit transmission, and the temperature information of reception and humidity information are sent to server by power amplifier; Power amplifier, for increasing the signal transmission power sending temperature information and humidity information to server, increases the stability of data transmission.
Under normal circumstances, the radio-cell temperature information that can periodically be got by processing unit and humidity information are sent to server.
In the present embodiment, radio-cell generally refers to chip or the circuit that can carry out near radio transmission.Such as: wireless chip can adopt Zigbee (ZigBee protocol) chip.
Wherein, processing unit adopts CPLD (Complex Programmable LogicDevice, CPLD) chip; Power amplifier adopts radio circuit.
Preferably, processing unit adopts the CoolRunner-II series CPLD chip of Xilinx company; Wireless chip adopts the model of TI company to be the chip of CC2538; Power amplifier adopts the model of TI company to be the chip of CC2592.
Certainly, processing unit, wireless chip and power amplifier can also adopt other can realize any chip of identical function respectively, repeat no longer one by one here.
Although existing Zigbee chip is per second all can send information, but still transmission data that can not be real-time, and in the present embodiment, when radio-cell adopts Zigbee chip, every five milliseconds can be arranged and send primary informations, allow the transmission that information can be real-time, to reach the object of information seamless link.
By radio-cell, temperature information and humidity information are sent in the server of external lifts operating personal use, can make the operating personal of elevator in the region away from elevator also can Real-time Obtaining to the state of elevator, thus can fast speed to occurring that the elevator of unsafe condition reacts in time.
If netting twine is easy to connect, the server that elevator management personnel use can also be connected by local area network with elevator temperature humidity detecting device; The temperature information got and humidity information are sent in the server of external lifts operating personal use by local area network by elevator temperature humidity detecting device.
When the too high and humidity of the temperature of the running environment residing for elevator is excessive, elevator control gear can be caused at any time to be subject to hectic fever and out of control, to make just to stop running suddenly at operating elevator, the personnel in elevator are trapped in elevator, cause elevator interruption of service.
In order to get temperature information and humidity information, said temperature humidity detecting module 11 comprises Temperature Humidity Sensor.
Temperature humidity detection module 11, for being measured the temperature and humidity of elevator in running process of elevator in real time by Temperature Humidity Sensor, and is delivered to control module by the temperature and humidity of the elevator measured.
In order to comprehensively detect the temperature and humidity of elevator running environment, temperature humidity detection module 11 comprises at least one temperature sensor, the temperature and humidity of the running environment of elevator is detected, if temperature humidity detection module 11 comprises the first Temperature Humidity Sensor and the second Temperature Humidity Sensor, first Temperature Humidity Sensor is arranged on inside lift car, and the second Temperature Humidity Sensor is arranged on outside lift car; So detected the temperature and humidity of elevator interior by the first humidity temperature pickup, detected the temperature and humidity of elevator outside by the second humidity temperature pickup, thus comprehensively detect the temperature and humidity of elevator running environment.
First Temperature Humidity Sensor, for measuring the temperature and humidity in running process of elevator in elevator in real time, and is delivered to control module by the temperature and humidity in the elevator measured.
Second Temperature Humidity Sensor, for measuring the temperature and humidity in running process of elevator outside elevator in real time, and is delivered to control module by the temperature and humidity outside the elevator measured.
First Temperature Humidity Sensor is connected with processing unit respectively by I2C bus with the second Temperature Humidity Sensor.
Alternatively, the first Temperature Humidity Sensor and the second Temperature Humidity Sensor can adopt the model of American Dallas semiconductor company to be the digital thermometer of DS18B20.The measuring tempeature scope of the digital thermometer of DS18B20 digital thermometer is-55 DEG C ~+125 DEG C, and within the scope of-10 ~+85 DEG C, precision is ± 0.5 ° of C.
Certainly, the first Temperature Humidity Sensor and the second Temperature Humidity Sensor can also adopt other can the Temperature Humidity Sensor of any model of temperature and humidity of Real-time Obtaining elevator running environment, repeat no longer one by one here.
By being provided with the temperature humidity detection module of the first Temperature Humidity Sensor and the second Temperature Humidity Sensor, learn the temperature and humidity of elevator in real time, when determining that the temperature and humidity of elevator exceedes default temperature threshold and humidity threshold, make the operating personal of elevator can control elevator in time out of service, and elevator is overhauled.
In order to make elevator management personnel when the power supply of powering to elevator temperature humidity detecting device can not continue to power to elevator temperature humidity detecting device because of fault, elevator temperature humidity detecting device can also be made to work on, transmit temperature information and humidity information to server, so elevator temperature humidity detecting device also comprises: secondary battery 12.
Secondary battery 12, is connected with control module 10 and temperature humidity detection module 11 respectively.
Secondary battery 12, for being respectively control module 10 and temperature humidity detection module 11 is powered.
Wherein, secondary battery can be lithium cell, nickel-based battery, can also be that other anyly can provide the rechargeable battery of electricity for elevator temperature humidity detecting device, repeat no longer one by one here.
By arranging the backup power of secondary battery as elevator temperature humidity detecting device, can when the unexpected power-off of elevator, by being that elevator temperature humidity detecting device is powered as the secondary battery of backup power, make the operating personal of elevator in building, elevator temperature humidity detecting device and elevator can not be continued as to the power failure of elevator temperature humidity detecting device and elevator supply when providing electricity, also temperature information and the humidity information of the transmission of elevator temperature humidity detecting device can be got, thus the personnel's situation can understood in the very first time in elevator, and make the scheme of personnel's rescue and elevator reparing in time.
See Fig. 2, the present embodiment also provides a kind of elevator temperature humidity checking system 100, and this elevator temperature humidity checking system 100 comprises: server 101 and above-mentioned elevator temperature humidity detecting device 102.
Server 101 comprises wireless module and processing module; Wireless module is connected with processing module.Wireless module, for receiving temperature information and the humidity information of the transmission of elevator temperature humidity detecting device 102.Processing module, for judging whether the temperature information that receives and humidity information are greater than the temperature threshold and humidity threshold that preset, when temperature information and humidity information are all greater than temperature threshold and the humidity threshold of setting, send warning signal and notify staff.
In sum, in the elevator temperature humidity checking system that the present embodiment provides, pass through server, learn the temperature information inside and outside the elevator that elevator temperature humidity detecting device transmits and humidity information in real time, when determining that the temperature and humidity inside and outside elevator exceedes default temperature threshold and humidity threshold, send warning signal, the operating personal of elevator is made to control elevator in time out of service, and elevator is overhauled, extend the service life of elevator, and the accident avoiding personnel to be trapped in elevator as far as possible occurs, and improves the safety that elevator runs.
If the distance of elevator temperature humidity detecting device 102 and server 101 in the transmission range of radio-cell (using Zigbee chip as radio-cell, the region normally within 1000 meters, the service area of transmission over radio), the wireless module so in server 101 also uses Zigbee chip just can receive temperature information and the humidity information of the transmission of elevator temperature humidity detecting device 102.
If the distance of elevator temperature humidity detecting device 102 and server 101 is not in the transmission range of radio-cell, so by arranging local side apparatus, the temperature information and humidity information that are carried out the radio-cell transmission of near radio transmission in elevator temperature humidity detecting device 102 by Zigbee chip etc. are transferred in the mobile communications network with remote wireless transmission function with regard to needing, then by mobile communications network, temperature information and humidity information are transferred in server 101 by local side apparatus.
See Fig. 3, local side apparatus 200 comprises mobile communication module 201, first wireless chip 202 and power amplifier 203, and mobile communication module 201 is connected with the first wireless chip 202, and the first wireless chip 202 is connected with power amplifier 203; Local side apparatus 200 is for the temperature information that receives elevator temperature humidity detecting device and send over and humidity information, and whole short range transmission wireless network is managed, also will complete temperature information and humidity information from short range transmission wireless network to the conversion work of remote-wireless network, the temperature information that elevator temperature humidity detecting device is collected and humidity information are sent to server by mobile communication module 201.
In local side apparatus, the first wireless chip 202 and mobile communication module 201 carry out data exchange by UART interface, the temperature information of short range transmission transmission in wireless network and humidity information are transformed in remote-wireless network and transmit.The first wireless chip 202 adopted in local side apparatus and the chip of power amplifier 203 are identical with the chip model of power amplifier with the radio-cell used in elevator temperature humidity detecting device.
Such as: the radio-cell used in elevator temperature humidity detecting device is Zigbee chip, the first wireless chip 202 so adopted in local side apparatus is also Zigbee chip.
Consider that the elevator temperature humidity detecting device quantity that local side apparatus accesses at most can reach 254, if have up to a hundred elevator temperature humidity detecting devices to local side apparatus transmission temperature information and humidity information simultaneously, so 2G data network possibly cannot meet requirements, so pay the utmost attention to the mobile communication module using 3G and 4G data network corresponding in local side apparatus, to ensure enough data bandwidths and transfer rate.
Such as: mobile communication module is intended adopting the model of SIMCOM Company to be the 3G data network chip of SIM5320E.Certainly, mobile communication module can also use other any 3G and 4G data network chips that can transmit temperature information and humidity information in 3G and 4G data network, repeats no longer one by one here.
When the distance environment that is longer or transmission over radio of elevator temperature humidity detecting device and local side apparatus is poor, when causing local side apparatus sometimes not receive temperature information and the humidity information of elevator temperature humidity detecting device transmission, wireless relay apparatus can be set between elevator temperature humidity detecting device and local side apparatus, ensure transmission stability and the reliability of temperature information and the humidity information transmitted between elevator temperature humidity detecting device and local side apparatus.
Wherein, the wireless relay apparatus power amplifier that comprises the second wireless chip and be connected with the second wireless chip.This second wireless chip adopts the chip with radio-cell same model in elevator temperature humidity detecting device.
In order to ensure the service life of wireless relay apparatus, can arrange wireless chip for subsequent use in wireless relay apparatus, this wireless chip for subsequent use also adopts the chip with radio-cell same model in elevator temperature humidity detecting device; Break down at the second wireless chip, when the temperature information that elevator temperature humidity detecting device cannot be sent and humidity information are delivered to local side apparatus, temperature information and humidity information can be delivered to local side apparatus by this wireless chip for subsequent use by wireless relay apparatus, further ensure transmission stability and the reliability of temperature information and the humidity information transmitted between elevator temperature humidity detecting device and local side apparatus.
The each module, local side apparatus and the wireless relay apparatus that comprise to enable elevator temperature humidity detecting device carry out collection and the transmission work of temperature information and humidity information normally, and the installation site of elevator temperature humidity detecting device, local side apparatus and wireless relay apparatus is as follows:
Control module, is arranged on elevator cage outside top; Wireless relay apparatus, is arranged in elevator(lift) machine room or the top of building; Two humidity temperature pickups in temperature humidity detection module, are arranged in lift car and lift car outside top respectively.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. an elevator temperature humidity detecting device, is characterized in that, described elevator temperature humidity detecting device comprises: control module and temperature humidity detection module;
Described control module, is connected with described temperature humidity detection module;
Described control module, for obtaining the temperature information and humidity information that described temperature humidity detection module detects, and is sent to server by the described temperature information got and described humidity information;
Described temperature humidity detection module, for measuring the temperature and humidity of elevator in running process of elevator in real time, obtains described temperature information and described humidity information, the described temperature information obtained and described humidity information is transferred to described control module.
2. elevator temperature humidity detecting device according to claim 1, it is characterized in that, described control module comprises processing unit and radio-cell;
Described processing unit, is connected with described temperature humidity detection module with described radio-cell respectively;
Described processing unit, for obtaining the described temperature information and described humidity information that described temperature humidity detection module detects, and is sent to described radio-cell by the described temperature information got and described humidity information;
Described radio-cell, is sent in described server for the described temperature information that described control module sent and described humidity information.
3. the elevator temperature humidity detecting device according to claims 1 or 2, is characterized in that, described temperature humidity detection module comprises the first Temperature Humidity Sensor and the second Temperature Humidity Sensor;
Described first Temperature Humidity Sensor is connected with described processing unit respectively with described first Temperature Humidity Sensor.
4. elevator temperature humidity detecting device according to claim 3, is characterized in that,
Described first Temperature Humidity Sensor is arranged on inside described lift car; For measuring the temperature and humidity in running process of elevator in elevator in real time, and the temperature and humidity in the described elevator measured is delivered to described control module;
Described second Temperature Humidity Sensor is arranged on outside described lift car, for measuring the temperature and humidity in running process of elevator outside elevator in real time, and the temperature and humidity outside the described elevator measured is delivered to described control module.
5. the elevator temperature humidity detecting device according to claims 1 or 2, is characterized in that, described elevator temperature humidity detecting device also comprises: secondary battery;
Described secondary battery, is connected with described control module and described temperature humidity detection module respectively;
Described secondary battery, for being respectively described control module and described temperature humidity detection module.
6. elevator temperature humidity detecting device according to claim 2, is characterized in that described radio-cell comprises wireless chip and power amplifier;
Wireless chip, and power amplifier electrical connection, and be connected with processing unit by serial peripheral equipment interface SPI, for receiving the elevator status data that processing unit sends, and the elevator status data of reception is sent to server by power amplifier;
Power amplifier, for increasing the signal transmission power sending elevator status data to server.
7. elevator temperature humidity detecting device according to claim 2, is characterized in that, described processing unit adopts CoolRunner-II family chip.
8. elevator temperature humidity detecting device according to claim 6, is characterized in that, described wireless chip adopts model to be the chip of CC2538.
9. elevator temperature humidity detecting device according to claim 6, is characterized in that, described power amplifier adopts model to be the chip of CC2592.
10. an elevator temperature humidity checking system, is characterized in that, described elevator temperature humidity checking system comprises: server and the elevator temperature humidity detecting device described in any one of claim 1-9;
Described server comprises wireless module and processing module; Described wireless module is connected with described processing module;
Described wireless module, for receiving the temperature information of described elevator temperature humidity detecting device transmission and described humidity information;
Described processing module, for judging whether the described temperature information that receives and described humidity information are greater than the temperature threshold and humidity threshold that preset, when described temperature information and described humidity information are all greater than the described temperature threshold of setting and described humidity threshold, send warning signal.
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| CN201510364500.8A CN104961011A (en) | 2015-06-29 | 2015-06-29 | Elevator temperature and humidity detection device and system |
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| CN201510364500.8A CN104961011A (en) | 2015-06-29 | 2015-06-29 | Elevator temperature and humidity detection device and system |
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| CN201510364500.8A Pending CN104961011A (en) | 2015-06-29 | 2015-06-29 | Elevator temperature and humidity detection device and system |
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| US10287131B2 (en) | 2017-06-05 | 2019-05-14 | Otis Elevator Company | Elevator drive control to protect drive components from moisture |
| CN113460817A (en) * | 2020-03-31 | 2021-10-01 | 广东石油化工学院 | Elevator operation scheduling system based on Internet of things |
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Application publication date: 20151007 |