CN206369559U - A kind of USB interface-based equipment condition monitoring and fault location system - Google Patents
A kind of USB interface-based equipment condition monitoring and fault location system Download PDFInfo
- Publication number
- CN206369559U CN206369559U CN201621395192.1U CN201621395192U CN206369559U CN 206369559 U CN206369559 U CN 206369559U CN 201621395192 U CN201621395192 U CN 201621395192U CN 206369559 U CN206369559 U CN 206369559U
- Authority
- CN
- China
- Prior art keywords
- circuit
- usb interface
- fault location
- converter
- condition monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 230000003750 conditioning effect Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 24
- 239000000779 smoke Substances 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims 1
- 238000013480 data collection Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model discloses a kind of USB interface-based equipment condition monitoring and fault location system, belong to power electronics detection technique field, the system includes sensor group, analog switching circuit, signal conditioning circuit, A/D converter, FPGA circuitry, USB interface, display control circuit and indicates warning circuit, FPGA circuitry includes fifo module and control module, sensor group connects the input of analog switching circuit, and the output end of analog switching circuit passes sequentially through signal conditioning circuit, A/D converter and fifo module connection USB interface.It is the utility model compact conformation, durable reliable, the communication of sensor group and host computer is realized based on USB interface, pass through collection site data and status information of equipment, instant adjustment and the fault location of electric equipment are completed, remote control data collection, exact failure positioning and the purpose for improving resource utilization is reached.
Description
Technical field
The utility model belongs to power electronics detection technique field, more particularly to a kind of USB interface-based equipment state
Monitoring and fault location system.
Background technology
The real-time monitoring of remote equipment state and the critical support that fault location is system stable operation, with science and technology
Progress, particularly modern information technologies based on sensor technology, the communication technology and embedded chip technology development,
And the theory of testing is continued to develop, the development of real-time data acquisition and failure analysis techniques is also with rapid changepl. never-ending changes and improvements.
Traditional real-time data acquisition and accident analysis mode use self-contained data mode and external data acquisition side
Formula, self-contained data acquisition mode:Will at a high speed, high-precision continuous sampling system control and data channel portion make board
In form, the expansion slot for inserting computer, built-in data acquisition function is realized.This mode need to take PCI/ISA buses
Expansion slot and related resource, PC and the Large Volume Data of sampling system are realized by the high-speed data transmission rate of PCI/ISA buses
Exchange, it has the disadvantage to be limited by computer slot quantity, address and interrupt resources, install inconvenient, Programming comparison trouble,
And disturbed by computer-internal high-frequency electromagnetic pulse, influence the precision of data acquisition and the stability of equipment.External data
Acquisition mode is connected generally by RS232 interfaces with computer, and lacking for self-contained data collection is overcome to a certain extent
Point, but due to using the RS232 interfaces of low rate, its maximum data transfer rate is no more than 115KbPs, simultaneous transmission away from
From being not more than 15 meters, therefore when being acquired to high-volume data, the bottleneck of sampling system and HPI speed will
Cause partial data to be lost, lose the meaning of continuous sampling.
Need to use more preferable data acquisition modes, to overcome the shortcomings of with upper type.USB high speed interfaces are pushed away
Go out, greatly improve message transmission rate.USB is to apply the new interface technology in PC fields in recent years, with various types of
The release successively of the USB products of type, the advantage of usb communication is known more and more widely, has been each PC producers so far
Supported.
The content of the invention
In view of this, the utility model provides a kind of USB interface-based equipment condition monitoring and fault location system, knot
Structure is compact, durable reliable, and the communication of sensor group and host computer is realized based on USB interface, passes through collection site data and equipment
Status information, completes adjustment and the fault location of electric equipment, reaches remote control data collection, exact failure positioning and improves
The purpose of resource utilization.
The utility model is solved the above problems by following technological means：
A kind of USB interface-based equipment condition monitoring and fault location system, including sensor group, analog switch electricity
Road, signal conditioning circuit, A/D converter, FPGA circuitry, USB interface, display control circuit and instruction warning circuit, its feature
It is, the FPGA circuitry includes fifo module and control module, the sensor group connects the defeated of the analog switching circuit
Enter end, the output end of the analog switching circuit passes sequentially through the signal conditioning circuit, A/D converter and fifo module connection
The USB interface；The display control circuit and instruction warning circuit connect institute's FPGA circuitry respectively；The control module difference
Connect the analog switching circuit, signal conditioning circuit, A/D converter and USB interface.
Further, the sensor group includes temperature sensor, humidity sensor, Smoke Sensor and infrared sensing
Device, the temperature sensor, humidity sensor, Smoke Sensor and infrared sensor connect the analog switching circuit respectively
Input.
Further, the display control circuit includes display screen and physical button, the display screen and physical button point
The FPGA circuitry is not connected.
Further, the instruction warning circuit includes work indication LED lamp and alarm lamp LED, and the work refers to
Show that LED and alarm lamp LED connect the FPGA circuitry respectively.
Further, in addition to housing, the housing is cuboid cavity structure, and the bottom of the housing is provided with communication
Interface, the communication interface is connected between the sensor group and the analog switching circuit；The work indication LED lamp,
Alarm lamp LED, display screen and physical button are arranged on the front of the housing, and the USB interface is arranged on the housing
Top, the analog switching circuit, signal conditioning circuit, A/D converter and FPGA circuitry are arranged on the inside of the housing.
Further, in addition to radio communication circuit, the radio communication circuit is located at the case top and connection institute
State FPGA circuitry.
Further, in addition to power circuit, the power circuit is located at the enclosure interior and connects signal condition respectively
Circuit, A/D converter, FPGA circuitry and USB interface.
Further, in addition to clock circuit, the clock circuit is located at the enclosure interior and connects signal condition respectively
Circuit, A/D converter, FPGA circuitry and USB interface.
A kind of USB interface-based equipment condition monitoring and fault location system of the present utility model have following beneficial effect
Really：
The utility model discloses a kind of USB interface-based equipment condition monitoring and fault location system, belong to electric power
Electric detective technology field, the system includes sensor group, analog switching circuit, signal conditioning circuit, A/D converter, FPGA
Circuit, USB interface, display control circuit and instruction warning circuit, FPGA circuitry include fifo module and control module, sensor
The input of group connection analog switching circuit, the output end of analog switching circuit passes sequentially through signal conditioning circuit, A/D converter
USB interface is connected with fifo module.It is the utility model compact conformation, durable reliable, based on USB interface realize sensor group with it is upper
The communication of position machine, by collection site data and status information of equipment, completes adjustment and the fault location of electric equipment, reaches remote
Process control data acquisition, exact failure positioning and the purpose for improving resource utilization.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the of a kind of USB interface-based equipment condition monitoring and fault location system that the utility model is provided
One embodiment circuit connection diagram；
Fig. 2 is the of a kind of USB interface-based equipment condition monitoring and fault location system that the utility model is provided
One example structure schematic diagram；
Fig. 3 is the of a kind of USB interface-based equipment condition monitoring and fault location system that the utility model is provided
The analog switching circuit connection diagram of one embodiment；
Fig. 4 is the of a kind of USB interface-based equipment condition monitoring and fault location system that the utility model is provided
The signal conditioning circuit connection diagram of one embodiment；
Fig. 5 is the of a kind of USB interface-based equipment condition monitoring and fault location system that the utility model is provided
The A/D converter connection diagram of one embodiment；
Fig. 6 is the of a kind of USB interface-based equipment condition monitoring and fault location system that the utility model is provided
Two implementing circuit connection diagrams.
Embodiment
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
New limitation.Term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more.
The utility model is described in detail below with reference to accompanying drawing.
Embodiment one
As shown in figure 1, a kind of USB interface-based equipment condition monitoring and fault location system, including sensor group 1,
Analog switching circuit 2, signal conditioning circuit 3, A/D converter 4, FPGA circuitry 5, USB interface 6, display control circuit 7 and instruction
Warning circuit 8, the FPGA circuitry 5 includes fifo module and control module, and the sensor group 1 connects the analog switch electricity
The input on road 2, the output end of the analog switching circuit 2 passes sequentially through the signal conditioning circuit 3, the and of A/D converter 4
Fifo module connects the USB interface 6；The display control circuit 7 and instruction warning circuit 8 connect institute's FPGA circuitry 5 respectively；
The control module connects the analog switching circuit 2, signal conditioning circuit 3, A/D converter 4 and USB interface 6 respectively.
Further, the sensor group 1 includes temperature sensor 101, humidity sensor 102, the and of Smoke Sensor 103
Infrared sensor 104,104 points of the temperature sensor 101, humidity sensor 102, Smoke Sensor 103 and infrared sensor
The input of the analog switching circuit 2 is not connected.
Further, the display control circuit 7 includes display screen 701 and physical button 702, the He of display screen 701
Physical button 702 connects the FPGA circuitry 5 respectively.
Further, the instruction warning circuit 8 includes work indication LED lamp 801 and alarm lamp LED802, described
Work indication LED lamp 801 and alarm lamp LED802 connect the FPGA circuitry 5 respectively.
As shown in Fig. 2 also including housing, the housing is cuboid cavity structure, and the bottom of the housing is provided with logical
Communication interface 105, the communication interface 105 is connected between the sensor group 1 and the analog switching circuit 2；The work
Indication LED lamp 801, alarm lamp LED802, display screen 701 and physical button 702 are arranged on the front of the housing, described
USB interface 6 is arranged on the top of the housing, the analog switching circuit 2, signal conditioning circuit 3, A/D converter 4 and FPGA
Circuit 5 is arranged on the inside of the housing.
Further, in addition to power circuit, the power circuit is located at the enclosure interior and connects signal condition respectively
Circuit 3, A/D converter 4, FPGA circuitry 5 and USB interface 6.
Further, in addition to clock circuit, the clock circuit is located at the enclosure interior and connects signal condition respectively
Circuit 3, A/D converter 4, FPGA circuitry 5 and USB interface 6.
Specifically, analog switching circuit 2 is as shown in Figure 3 using eight path analoging switch CD4051 chips.
The voltage signal of input is handled as shown in figure 4, signal conditioning circuit 3 is mainly, its voltage is maintained at
Within 0-5V scopes, so as to adapt to requirement of the A/D conversion chips to input signal, this partial circuit uses amplifier AD827 chips,
The amplifier a width of 50MHz of highest band, two operational amplifiers of single-chip integration are respectively intended to carry out signal amplification and parallel moving of signal,
Whole amplifier power consumption is less than 100mw.
A/D converter 4 as shown in Figure 5, using high speed and the AD7820 conversion chip compatible with microprocessor, is AD companies
The high-speed AD converter of the 8 parallel-by-bits output of production, is integrated with high performance sampling and hold amplifier, only needs the single electricity of+5v
Pressure power supply, it is not necessary to external clock, and with wide operating temperature range.
It should be noted that the FPGA circuitry 5 selects XC2Sl00-6PQ208C type fpga chips, the chip supports three
Plant configuration mode:Host serial pattern, slave serial mode, boundary scan pattern.User can be by being integrated in FPGA exploitations
Jumper wire selector JPI on plate selects corresponding configuration mode, and fpga chip is programmed and tested.
Embodiment two
As shown in fig. 6, a kind of equipment condition monitoring and fault location system based on USB interface 6, including sensor group 1,
Analog switching circuit 2, signal conditioning circuit 3, A/D converter 4, FPGA circuitry 5, USB interface 6, display control circuit 7 and instruction
Warning circuit 8, the FPGA circuitry 5 includes fifo module and control module, and the sensor group 1 connects the analog switch electricity
The input on road 2, the output end of the analog switching circuit 2 passes sequentially through the signal conditioning circuit 3, the and of A/D converter 4
Fifo module connects the USB interface 6；The display control circuit 7 and instruction warning circuit 8 connect institute's FPGA circuitry 5 respectively；
The control module connects the analog switching circuit 2, signal conditioning circuit 3, A/D converter 4 and USB interface 6 respectively.
Further, the sensor group 1 includes temperature sensor 101, humidity sensor 102, the and of Smoke Sensor 103
Infrared sensor 104,104 points of the temperature sensor 101, humidity sensor 102, Smoke Sensor 103 and infrared sensor
The input of the analog switching circuit 2 is not connected.
Further, the display control circuit 7 includes display screen 701 and physical button 702, the He of display screen 701
Physical button 702 connects the FPGA circuitry 5 respectively.
Further, the instruction warning circuit 8 includes work indication LED lamp 801 and alarm lamp LED802, described
Work indication LED lamp 801 and alarm lamp LED802 connect the FPGA circuitry 5 respectively.
Further, in addition to housing, the housing is cuboid cavity structure, and the bottom of the housing is provided with communication
Interface 105, the communication interface 105 is connected between the sensor group 1 and the analog switching circuit 2；The work refers to
Show that LED 801, alarm lamp LED802, display screen 701 and physical button 702 are arranged on the front of the housing, it is described
USB interface 6 is arranged on the top of the housing, the analog switching circuit 2, signal conditioning circuit 3, A/D converter 4 and FPGA
Circuit 5 is arranged on the inside of the housing.
Further, in addition to radio communication circuit 9, the radio communication circuit 9 is located at the case top and connection
The FPGA circuitry 5.
Further, in addition to power circuit, the power circuit is located at the enclosure interior and connects signal condition respectively
Circuit 3, A/D converter 4, FPGA circuitry 5 and USB interface 6.
Further, in addition to clock circuit, the clock circuit is located at the enclosure interior and connects signal condition respectively
Circuit 3, A/D converter 4, FPGA circuitry 5 and USB interface 6.
Specifically, radio communication circuit 9 uses CC2430 chips, channel radio is carried out based on Zigbee sensor network technologies
News.The system realizes the communication of sensor group 1 and host computer based on USB interface 6, is believed by collection site data and equipment state
Breath, according to default parameter threshold in host computer and fpga chip, analysis judges whether current environment needs adjustment, at present
Electric equipment fault location, reach remote control data collection, exact failure positioning and improve resource utilization purpose.
It should be noted that radio communication circuit 9 can select the wireless telecommunications cores such as Wifi, bluetooth according to actual conditions
Piece, realizes the communication with handheld device or other portable equipments and interacts, and realizes that the instant regulation and control of field apparatus and failure are fixed
Position, further improves the operating efficiency of system.
The utility model discloses a kind of equipment condition monitoring and fault location system based on USB interface 6, belong to electric power
Electric detective technology field, the system include sensor group 1, analog switching circuit 2, signal conditioning circuit 3, A/D converter 4,
FPGA circuitry 5, USB interface 6, display control circuit 7 and instruction warning circuit 8, FPGA circuitry 5 include fifo module and control mould
Block, sensor group 1 connects the input of analog switching circuit 2, and the output end of analog switching circuit 2 passes sequentially through signal condition electricity
Road 3, A/D converter 4 and fifo module connection USB interface 6.It is the utility model compact conformation, durable reliable, based on USB interface 6
The communication of sensor group 1 and host computer is realized, by collection site data and status information of equipment, the adjustment of electric equipment is completed
And fault location, reach remote control data collection, exact failure positioning and the purpose for improving resource utilization.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (8)
1. a kind of USB interface-based equipment condition monitoring and fault location system, including sensor group, analog switching circuit,
Signal conditioning circuit, A/D converter, FPGA circuitry, USB interface, display control circuit and instruction warning circuit, its feature exist
In the FPGA circuitry includes fifo module and control module, and the sensor group connects the input of the analog switching circuit
End, the output end of the analog switching circuit passes sequentially through the signal conditioning circuit, A/D converter and fifo module connection institute
State USB interface；The display control circuit and instruction warning circuit connect institute's FPGA circuitry respectively；The control module connects respectively
Connect the analog switching circuit, signal conditioning circuit, A/D converter and USB interface.
2. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 1, its feature exist
In the sensor group includes temperature sensor, humidity sensor, Smoke Sensor and infrared sensor, the TEMP
Device, humidity sensor, Smoke Sensor and infrared sensor connect the input of the analog switching circuit respectively.
3. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 2, its feature exist
In the display control circuit includes display screen and physical button, and the display screen and physical button connect the FPGA respectively
Circuit.
4. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 3, its feature exist
In the instruction warning circuit includes work indication LED lamp and alarm lamp LED, and the work indication LED lamp and alarm refer to
Show that lamp LED connects the FPGA circuitry respectively.
5. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 4, its feature exist
In, in addition to housing, the housing is cuboid cavity structure, and the bottom of the housing is provided with communication interface, the communication
Interface is connected between the sensor group and the analog switching circuit；The work indication LED lamp, alarm lamp LED,
Display screen and physical button are arranged on the front of the housing, and the USB interface is arranged on the top of the housing, the simulation
On-off circuit, signal conditioning circuit, A/D converter and FPGA circuitry are arranged on the inside of the housing.
6. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 5, its feature exist
In, in addition to radio communication circuit, the radio communication circuit is positioned at the case top and connects the FPGA circuitry.
7. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 6, its feature exist
In, in addition to power circuit, the power circuit be located at the enclosure interior and connect respectively signal conditioning circuit, A/D converter,
FPGA circuitry and USB interface.
8. a kind of USB interface-based equipment condition monitoring and fault location system as claimed in claim 7, its feature exist
In, in addition to clock circuit, the clock circuit be located at the enclosure interior and connect respectively signal conditioning circuit, A/D converter,
FPGA circuitry and USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395192.1U CN206369559U (en) | 2017-06-07 | 2017-06-07 | A kind of USB interface-based equipment condition monitoring and fault location system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395192.1U CN206369559U (en) | 2017-06-07 | 2017-06-07 | A kind of USB interface-based equipment condition monitoring and fault location system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206369559U true CN206369559U (en) | 2017-08-01 |
Family
ID=59393578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395192.1U Active CN206369559U (en) | 2017-06-07 | 2017-06-07 | A kind of USB interface-based equipment condition monitoring and fault location system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206369559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398910A (en) * | 2018-05-16 | 2018-08-14 | 哈尔滨朗昇电气股份有限公司 | Double power supply converting switch action state detection circuit and detection method |
| CN109752095A (en) * | 2017-11-03 | 2019-05-14 | 国家电网公司 | A kind of the infrared imaging temperature measuring sensor and infrared imaging temperature measuring system of plug and play |
-
2017
- 2017-06-07 CN CN201621395192.1U patent/CN206369559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752095A (en) * | 2017-11-03 | 2019-05-14 | 国家电网公司 | A kind of the infrared imaging temperature measuring sensor and infrared imaging temperature measuring system of plug and play |
| CN108398910A (en) * | 2018-05-16 | 2018-08-14 | 哈尔滨朗昇电气股份有限公司 | Double power supply converting switch action state detection circuit and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206369559U (en) | A kind of USB interface-based equipment condition monitoring and fault location system | |
| CN203606351U (en) | Water quality parameter monitoring device | |
| CN202306364U (en) | Wireless constant temperature and humidity measurement and control device | |
| CN204694361U (en) | A kind of wireless liquid steel temperature measuring system | |
| CN202648706U (en) | Comprehensive environment monitoring instrument | |
| CN202025214U (en) | Bluetooth wireless temperature measuring device used for numerical control machine temperature compensation | |
| CN211181045U (en) | Wisdom agricultural is with multi-functional temperature and humidity sensor | |
| CN102761565A (en) | Brewing process monitoring system and method based on wireless sensor network technology | |
| CN210110020U (en) | Toilet data acquisition system based on wireless transmission | |
| CN203759084U (en) | Multi-communication mode electric power meter | |
| CN103123268A (en) | Comprehensive environmental monitor | |
| CN203675336U (en) | Wireless sensor network node base on CC2430 single-chip microcomputer | |
| CN203196297U (en) | Intelligent control sensor for amusement equipment | |
| CN112924036A (en) | Wireless non-contact infrared temperature measurement equipment and intelligent switch temperature measurement system | |
| CN202351197U (en) | System for detecting heat transfer coefficient of transformer substation wall | |
| CN206369557U (en) | A kind of electric energy acquisition and environment sensing node device based on Zigbee protocol | |
| CN203616665U (en) | Cement maintenance wireless temperature control system | |
| CN204346504U (en) | A kind of multi-functional energy consumption environment data collector | |
| CN205300794U (en) | Industry high temperature rotary furnace wireless temperature measuring device | |
| CN208752134U (en) | A kind of small power radio current node | |
| CN109489757A (en) | A kind of electronic water meter having remote monitoring function | |
| CN205157390U (en) | PM2. 5's real -time supervision device | |
| CN205428192U (en) | Digitalized data collector | |
| CN203274928U (en) | Digital temperature transmitter | |
| CN204007616U (en) | River channel information monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |