CN203877677U - Handheld terminal for assisting in elevator inspection - Google Patents
Handheld terminal for assisting in elevator inspection Download PDFInfo
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- CN203877677U CN203877677U CN201420205093.7U CN201420205093U CN203877677U CN 203877677 U CN203877677 U CN 203877677U CN 201420205093 U CN201420205093 U CN 201420205093U CN 203877677 U CN203877677 U CN 203877677U
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- 238000007689 inspection Methods 0.000 title claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 20
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- 238000003860 storage Methods 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 230000006855 networking Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 13
- 230000003993 interaction Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
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- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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- 238000012795 verification Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model relates to a handheld terminal for assisting in elevator inspection. The handheld terminal is used for improving inspection efficiency and inspection quality in elevator inspection work. The handheld terminal for assisting in elevator inspection comprises a main control module, a liquid crystal display screen, a storage device and a power supply module, and the liquid crystal display screen, the storage device and the power supply module are connected with the main control module. The handheld terminal is characterized in that a GPRS/CDMA wireless communication module, an ultra-high frequency radio frequency identification (UHF RFID) reading module and a Wifi module are further included, a third serial port of the main control module is connected with the ultra-high frequency radio frequency identification (UHF RFID) reading module, a first serial port of the main control module is connected with the GPRS/CDMA wireless communication module, and a second serial port of the main control module is connected with the Wifi module. With the handheld terminal for assisting in elevator inspection, elevator detection work can be achieved in a networking mode in a remote place.
Description
Technical field
The utility model relates to a kind of elevator calibration unit, relates in particular to a kind of handheld terminal of supplemental lift inspection.
Background technology
Elevator is indispensable vertical transportation instrument in city, along with the propelling of capital construction, the quantity of elevator grows with each passing day, by the end of the year 2010, China is exceeding 1,620,000 with elevator sum, become the whole world maximum elevator manufacture base and elevator market, and its speed is with annual approximately 20% speed rapid growth.
Elevator, providing to people easily simultaneously, has also brought all contradiction and potential safety hazard, and the safe operation of elevator is concerning public safety, and concerning the people's livelihood, therefore, country implements safety inspection using elevator as special equipment.According to the rules, every year elevator is carried out once to regularly safety verification, inspection focus is that elevator associated components and function are carried out to necessary test and checking, is intended to the safe handling of the equipment that ensures.
At present, in China, the periodical survey of elevator, mainly by the application of elevator maintenance unit, is sent someone to carry instrument and equipment by the certification body of being authorized by country and is gone on-the-spot test, and outcome record, on papery form, is inputted computing machine after returning, and generates examining report.Elevator of every detection, generally needs a working day consuming time.Because test item is various, paper record and re-enter computing machine and be easy to make mistakes, and detection has also affected the normal use of elevator for a long time, makes troubles to people's life.
Aspect elevator safety IT application in management, each provincial quality supervision department has been set up quality of elevator inspection business management system and provincial basic database, has tentatively realized the dynamic supervision of the application cycle for special equipment including elevator.But above-mentioned work, does not all form the elevator checkout system platform of automation, is still inspector's Site Detection, record, after returning by typing related data to inspection business management system, generate examining report.
Problem in inspection work mainly comprises the following aspects.
The one, when field-checking, inspector identifies lift facility identity information difficulty, and the registration code of elevator does not bundle with elevator material object, cannot play the effect of uniqueness mark.
The 2nd, inspector checks site disposal record of survey to expend a large amount of time and efforts.When inspector's field-checking, use the record of survey of prescribed form to fill in checking information, in record of survey, repeatability is filled in as information such as unit information, facility information, Interventions Requested, has increased inspector's work capacity.
The 3rd, in the work of inspector's field-checking, cannot obtain the support of inspection management system, cause the waste of information resources, also increase inspector's work load simultaneously.
The 4th, inspector cannot inquire about, manage for record of survey, causes historical checking information and maintenance information underutilization, is not easy to the problems such as information system management.
Summary of the invention
Problem to be solved in the utility model is: provide a kind of can be fast and the equipment of actv. identification elevator information, include this important step of field-checking in system management simultaneously, realize data message between elevator, inspector and inspection management system three mutual.
For this reason, a kind of handheld terminal of supplemental lift inspection is proposed, inspection management system based on Internet of Things, RF identification (RFID) technology, embedded system technology, wireless communication technique in application technology of Internet of things are included network in by " elevator " and dock with " information system " of background server.Improve checkability and the quality inspection in elevator inspection work by technological means.
Technical solution of the present utility model is:
A kind of handheld terminal of supplemental lift inspection, the LCDs, memory device and the power module that comprise main control module and be connected with main control module, it is characterized in that: also comprise GPRS/CDMA wireless communication module, superfrequency RF identification UHF RFID module for reading and writing, Wifi module, wherein the 3rd serial ports of main control module connects superfrequency RF identification UHF RFID module for reading and writing; The first serial of main control module connects GPRS/CDMA wireless communication module; The second serial of main control module connects Wifi module.
Wherein GPRS/CDMA wireless communication module carries out the exchange of elevator check data in inspection scene with background server, download Test Field task, and carry out the exchange of state of elevator or failure message with elevator monitoring apparatus; Superfrequency RF identification UHF RFID module for reading and writing scans elevator electronic tag and transfers the corresponding Test Field task of elevator by station server again in inspection scene; Wifi module is synchronized to background server by the information that completes detection under client computer/background server framework (C/S framework), and background server upgrades form; Master control module controls LCDs carries out human-computer interaction interface demonstration, the detection that simultaneously need to complete by read-out input.Main control module utilizes memory device operation storage program and store local data; In the handheld terminal that power module is supplemental lift inspection, each several part provides power supply.
Main control module is embedded architecture, complete the download of Test Field task by GPRS/CDMA wireless communication module, and in testing process, receive from the information of elevator monitoring apparatus, get elevator inspection task by UHF RFID module for reading and writing scanning elevator electronic tag, complete under C/S framework and the data interaction of background server by Wifi module, carry out human-computer interaction interface demonstration by LCDs, move storage program and store local data by memory device.
GPRS/CDMA wireless communication module is connected with main control module by first serial, downloads Detection task for wireless receiving from the information of elevator monitoring apparatus and with server telecommunication.
UHF RFID module for reading and writing is connected with main control module by the 3rd serial ports, the electronic tag of read-write elevator, and complete data interaction with main control module.
Wifi module is connected with main control module by second serial, for the data upload detecting is arrived to background server, or by C/S framework managing queries information from background server.
LCDs is directly installed on main control module, and realize the data such as detection are manually set, and can finishing man-machine interaction interface display.
Memory device mainly comprises SDRAM and Nand Flash, and wherein SDRAM is as the internal memory of system, and for run time version, Nand Flash is used for the program storage of handheld terminal and completes the operations such as local datastore management.
Power module provides power supply for handheld terminal each several part, to ensure that each several part normally works.
This handheld terminal is applied in the system of an elevator inspection, and this system comprises handheld terminal, background server, elevator monitoring apparatus, elevator.Described background server, as inspection management system, completes the management of elevator check data.Described elevator monitoring apparatus is controlled elevator, and Real-time Feedback state of elevator or failure message, in this system, elevator monitoring apparatus is as detected object, communicate by GPRS/CDMA with handheld terminal, handheld terminal receives the accuracy of the information frame that also analytical confirmation elevator monitoring apparatus sends.
System has containing two kinds of mode of operations: under inspection presence states, background server completes the management of elevator check data and on-the-spot the inspection of needs download task data is sent to handheld terminal with the form of GPRS/CDMA wireless telecommunications; Elevator monitoring apparatus is controlled elevator, and Real-time Feedback state of elevator or failure message, sends to handheld terminal with the form of GPRS/CDMA wireless telecommunications; Handheld terminal is by inner superfrequency RF identification UHF RFID module for reading and writing scanning electron RFID tags; While handheld terminal also receives and can analytical confirmation elevator monitoring apparatus normally feed back state of elevator or failure message, completes the detection of elevator monitoring apparatus;
The step that can concrete analytical confirmation elevator monitoring apparatus normally feed back elevator information is as follows: when handheld terminal is checked at the scene, first checker will input on handheld terminal, such as the state of setting is ascending for elevator, first on handheld terminal incoming inspection project be ascending for elevator, then checker just presses the key of ascending for elevator, allow ascending for elevator, after ascending for elevator, elevator monitoring apparatus can detect the state of ascending for elevator, and this state is sent to handheld terminal by frame, handheld terminal parse for frame, before contrast, checker's input just can judge that can elevator monitoring apparatus normally monitor elevator.
Under non-test status, handheld terminal can carry out data interaction by wifi and background server under client computer/background server framework (C/S framework), the function mainly completing: 1, be synchronized to background server by completing detection information, background server can upgrade form automatically.2, inquire about by background server the checking information having completed.
Result after situation and the inspection of what background server mainly deposited in is job order.Wherein the situation of job order can be downloaded from the Internet by GPRS, and resultant content after inspection is many, so what adopt is wifi communication, connects synchrodata after online.
The beneficial effects of the utility model comprise:
(1) the utility model application radio frequency discrimination RFID technology, installs radio frequency discrimination RFID identification card for every elevator, solves the problem that elevator identity information is lost or is difficult for obtaining, and includes elevator in management system again;
(2) the utility model utilizes a kind of hand-held terminal device that is suitable for elevator inspection need of work of embedded system technology configuration, possesses RFID recognition function, identifies fast elevator identity information; GPRS/CDMA and Wifi wireless communication function, utilize internet to realize and the function such as telecommunication and data interaction of inspection management system;
(3) handheld terminal in the utility model can be realized dual-purpose, at the scene under test status, supplemental lift Quality Inspector completes inspection work automatically, under non-at-scene test status, completes the searching and managing of data message on server as ordinary terminal by C/S mode.
Brief description of the drawings
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 is handheld terminal structured flowchart of the present invention;
Fig. 2 is system chart of the present invention;
Fig. 3 is treater minimum system schematic diagram of the present invention;
Fig. 4 is connection diagram between the handheld terminal main control chip of supplemental lift inspection and each module;
Fig. 5 is LCDs schematic diagram of the present invention;
Fig. 6 is Nand Flash memory device schematic diagram;
Fig. 7 is SDRAM memory device schematic diagram;
The schematic diagram of Fig. 8 main control module power management;
Fig. 9 is the schematic diagram that 5V turns 3.3V;
Figure 10 is that 3.3V turns 1.25V schematic diagram (for the power supply of ARM kernel);
Figure 11 is that 12V turns 5V schematic diagram;
Figure 12 is software architecture schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further:
As shown in Figure 1, the present embodiment provides a kind of handheld terminal of supplemental lift inspection, the GPRS/CDMA wireless communication module 102 that comprises main control module 101 and be connected with main control module 101, superfrequency RF identification UHF RFID module for reading and writing 103, Wifi module 104, LCDs 105, memory device 106, power module 107.Main control module 101 is embedded architecture, complete the download of Test Field task by GPRS/CDMA wireless communication module 102, and in reception testing process from the information of elevator monitoring apparatus, scan elevator 40 electronic tags by UHF RFID module for reading and writing 103 and get elevator 40 inspection tasks, complete under C/S framework and the data interaction of background server 20 by Wifi module 104, carry out human-computer interaction interface demonstration and complete simultaneously the manual setting of detection by LCDs 105, move storage program and store local data by memory device 106.GPRS/CDMA wireless communication module 102 is connected with main control module 101 by first serial, downloads Detection task for wireless receiving from the information of elevator monitoring apparatus and with server telecommunication.UHF RFID module for reading and writing 103 is connected with main control module 101 by the 3rd serial ports, the electronic tag of read-write elevator 40, and complete data interaction with main control module 101.Wifi module 104 is connected with main control module 101 by second serial, for the data upload detecting is arrived to background server 20, or by C/S framework managing queries information from background server 20.LCDs 105 is directly installed on main control module 101, and realize the data such as detection are manually set, and can finishing man-machine interaction interface display.Memory device 106 mainly comprises SDRAM and Nand Flash, and wherein SDRAM is as the internal memory of system, and for run time version, Nand Flash is used for the program storage of handheld terminal 10 and completes the operations such as local datastore management.Power module 107 provides power supply for handheld terminal 10 each several parts, to ensure that each several part normally works.
As shown in Figure 2, the present embodiment is applied in the system of an elevator inspection, and this system comprises handheld terminal 10, background server 20, elevator monitoring apparatus 30, elevator 40.Described background server 20, as inspection management system, completes the management of elevator check data.Described elevator monitoring apparatus 30 is controlled elevator 40, and Real-time Feedback elevator 40 states or failure message, in this system, elevator monitoring apparatus 30 is as detected object, communicate by GPRS/CDMA with handheld terminal 10, handheld terminal 10 receives and can analytical confirmation elevator monitoring apparatus 30 normally feed back elevator information, completes the detection of elevator monitoring apparatus 30.
The hardware elementary diagram of the present embodiment mainly comprises three parts:
Fig. 3 is the schematic diagram of S3C2440 treater minimum system.Wherein, LADDR[26:0] be the address bus of treater.It is divided storage space with the form of Bank, a corresponding Bank of chip selection signal, and maximum space is 128M, i.e. 227bit.LDATA[31:0] be data bus; LnOE is output enable signal; LnWE is for writing enable signal; NGCS[4:0] be respectively the chip selection signal of Bank0 ~ Bank4, coordinate SDRAM to complete reading and writing data; XTIrtc, XTOrtc are input pin and the output pin of RTC crystal oscillator, and crystal oscillator frequency 32.768KHz, is convenient to produce clock standard; XTIpll, XTOpll are the input and output pin that oikocryst shakes, and frequency is 12MHz, can be operated in 200MHz through inner PLL frequency multiplication; OM[3:2] drop-down ground connection, external crystal-controlled oscillation is configured to the clock source of main phaselocked loop and USB phaselocked loop; OM[1:0] in order to determine the highway width of nGCS0 equipment, effective within the processor reset cycle.The drop-down ground connection of OM1, OM0 connects toggle switch and changes the level state of this pin while startup, and configuration-system starts from NAND Flash or 16 s' NOR Flash; PWM_LCDBL is the pwm pulse output of timer, and the DBrt(pulse mode that meets LCD backlight drive IC regulates input) pin, in order to adjusting backlight luminance; 485nRE output pin is as the reception enable signal of RS485 interface chip.
Fig. 4 mainly shows the connection of S3C2440 treater that main control module 101 is selected and LCDs 105 and memory device 106, GPRS/CDMA wireless communication module 102, UHFRFID module for reading and writing 103, Wifi module 104.
In the connection of LCDs 105, VD[23:0] be 24 bit data bus of LCD display, R(is red), G(is green), B(indigo plant) take respectively 8, order is once from high to low.The TFT LCD screen using in design is 16 bit data bus, adopts 565 forms (R is 5 bit data, and G is 6 bit data), and B is 5 bit data, now by VD[23:0] in low data line corresponding to RGB remove need not, do not affect people's visual inspection result; LCD_PWREN is LCD screen power supply output enable control signal, is controlled output low level in the time of zero clearing, otherwise output high level by the PWREN position of special function register LCDCON5.Use this signal to remove to control LCD back light, control LCD light on and off backlight; VCLK is the pixel clock signal of LCD display.In the design, whole screen has 640 × 480 pixels, and each pixel is made up of RGB color data (VD[23:0]) again, and the drive IC of LCD screen finishes RGB data by gathering VCLK signal.HSYNC is horizontal synchronizing, when the lcd controller of S3C2440 sends after the data of a line, exports this signal and informs that LCD shields the end of actuator a line; VSYNC is vertical synchronizing signal, when the lcd controller of S3C2440 sends after the data of a frame, exports this signal and informs that LCD shields the end of actuator one frame.One frame writes the data of completely whole screen.VDEN is data enable signal, and it informs the effective of LCD screen actuator RGB data.NTRST, TCK, TDI, TDO, TMS are jtag interface signal, except TDO, draw 10K Ω resistance on all.TXD[2:0] and RXD[2:0] be respectively that serial data sends and output pin.Fig. 5 is LCD display interface.
Memory device 106 mainly comprises two parts, and SDRAM is for run time version, and NAND Flash is used for depositing code and data.SDRAM reads and writes the gating signal that enables that control interface: LnSRAS is SDRAM row address, the column address gating signal that LnSCAS is SDRAM, and the chip selection signal that LnSCS0 is SDRAM, drags down and rear SDRAM is carried out to read-write operation.LDQM[3:0] be 4 byte data I/O shielded signals of SDRAM.SCLK[1:0] be the clock signal of SDRAM, SCKE is clock enable signal.The pin wiring of SDRAM part all, at the 22 Ω resistance (or exclusion) of connecting near the position of CPU, is avoided signal reflex etc., improves signal quality, and the interface circuit of S3C2440 and SDRAM as shown in Figure 7.Nand Flash interface: ALE is NAND Flash address latch signal; CLE is NAND Flash order latch signal; NFCE is the chip selection signal of NAND Flash; NFWE is the enable signal of writing of NAND Flash; NFRE is for reading enable signal; R/nB is the ready/busy state-detection pin of NAND Flash; NCON is NAND Flash configuration pin, selects for the step of NAND Flash address.Due to use 512Mb(64MB) NAND Flash, need altogether 26(226) bit address line, just can complete addressing through 4 cycles, in figure by NCON by moving 3.3V power supply on 10K Ω resistance, NAND Flash is configured to 4 step addressing modes, and the interface circuit of S3C2440 and NAND Flash as shown in Figure 6.
GPRS/CDMA wireless communication module 102 was realized by serial ports with being connected all of main control module 101.Only need three signal wire (SW)s can realize communication, comprise TXD0 and RXD0 and the GND signal of serial ports 0.
UHF RFID module for reading and writing 103 was realized with being connected by serial ports of main control module 101, can realize communication by four signal wire (SW)s, comprised TXD2 and RXD2 VCC and the GND signal of serial ports 2.
Wifi module 104 realized with being connected by serial ports of main control module 101, realized data transmission by TXD1 and RXD1, and the signal such as nRESET, STATUS, WAKEUP and FC of the GPIO_IO mouth control Wifi module by main control module can be realized and communicating by letter.
Fig. 9,10,11 mainly comprises the power management part of main control module 101.NBATT_FLT is that battery electric quantity state detects input.In the low-power consumption application of handheld device.Treater is in the time of power down operations pattern.Rely on this detection signal to avoid being waken up under the low state of battery electric quantity.In addition, place the decoupling capacitor of a 0.1uF at the each power supply input pin of treater, every group of power supply also should be placed the large electric capacity of a 10uF, for filtering and energy storage.
When power module 107 designs, consider that treater I/O port and some external equipment power supplies are 3.3V, kernel power supply is 1.25V.First adopting LM2576 is 5V by the 12V power supply voltage stabilizing of outside input, then obtains respectively 3.3V and 1.25V power supply by LM1117-33 and MAX61090 respectively.RED is as system power supply indicator lamp, and electric power management circuit mainly as shown in figure 11.
As shown in figure 12, the software architecture schematic diagram of the present embodiment mainly comprises data bank and two parts of communicating by letter, and wherein data bank mainly comprises RFID management, data typing, data query, inspection, task download; Communication mainly comprises that inspection, task are downloaded, data are exported, management.In addition, also comprise log-in interface.Above various piece all provides friendly human-computer interaction interface.
Claims (1)
1. the handheld terminal of a supplemental lift inspection, the LCDs (105), memory device (106) and the power module (107) that comprise main control module (101) and be connected with main control module (101), it is characterized in that: also comprise GPRS/CDMA wireless communication module (102), superfrequency RF identification UHF RFID module for reading and writing (103), Wifi module (104), wherein the 3rd serial ports of main control module (101) connects superfrequency RF identification UHF RFID module for reading and writing (103); The first serial of main control module (101) connects GPRS/CDMA wireless communication module (102); The second serial of main control module (101) connects Wifi module (104).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420205093.7U CN203877677U (en) | 2014-04-24 | 2014-04-24 | Handheld terminal for assisting in elevator inspection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420205093.7U CN203877677U (en) | 2014-04-24 | 2014-04-24 | Handheld terminal for assisting in elevator inspection |
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| CN203877677U true CN203877677U (en) | 2014-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760362A (en) * | 2018-04-16 | 2018-11-06 | 江苏省特种设备安全监督检验研究院 | A kind of the elevator row checking device and elevator detecting system of integrated leveling error detection |
-
2014
- 2014-04-24 CN CN201420205093.7U patent/CN203877677U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760362A (en) * | 2018-04-16 | 2018-11-06 | 江苏省特种设备安全监督检验研究院 | A kind of the elevator row checking device and elevator detecting system of integrated leveling error detection |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |