CN109752095A - A plug-and-play infrared imaging temperature measurement sensor and infrared imaging temperature measurement system - Google Patents
A plug-and-play infrared imaging temperature measurement sensor and infrared imaging temperature measurement system Download PDFInfo
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Abstract
The invention discloses a kind of infrared imaging temperature measuring sensors of plug and play, comprising: infrared probe acquires the infrared image of detected object；Driving plate is connect with the infrared probe, and the driving plate is equipped with temperature control modules, A/D conversion module and bias voltage module；Wherein the bias voltage module provides voltage for infrared probe；The picture signal that infrared probe transmits is converted to data image signal by the A/D conversion module；The temperature control modules control the temperature of the focal plane arrays (FPA) of the infrared probe；FPGA plate, it connect with the driving plate, the FPGA plate is equipped with FPGA module, memory module and plug and play interface drive module, wherein the memory module and plug and play interface drive module are connect with FPGA module, and wherein FPGA module gives the infrared probe and A/D conversion module output driving clock signal.In addition, the invention also discloses a kind of infrared imaging temperature measuring systems.
Description
Technical field
The present invention relates to the temperature transducer of a kind of temperature transducer and temp measuring system more particularly to a kind of infrared imaging and
Temp measuring system.
Background technique
Temperature is an important parameter for characterizing electric equipment operation state.Practical operating experiences and theoretical analysis shows that,
All kinds of failures occurred at busbar, cable connector are not that the process of a burst makes because equipment local temperature constantly increases
Gradually aging, leakage current gradually increase for insulation, puncture again after reaching to a certain degree, are a mistakes by quantitative change to qualitative change
Journey.Therefore, the continuously variation of monitoring device temperature, so that it may grasp its operation conditions, according to circumstances carry out power failure inspection in due course
It repairs.By electrical equipment real-time online thermometric, electric equipment operation state is monitored and is assessed, is to guarantee electrical equipment peace
One of the effective means of row for the national games.
And at present for the differentiation of electric power equipment on-site temperature measurement, temperature measurement on-line mode in the prior art is mainly adopted
Temperature inversion is carried out with the temperature sensor of contact, this mode is when electrical equipment voltage class is higher with certain peace
Full hidden danger.And traditional infrared detection method uses infrared radiation thermometer, infrared line scanner, thermal infrared imager, periodically to electric power
Equipment is detected.Field application situation shows current infrared measurement of temperature imager, and operating mode is more single, affects electricity
Power equipment thermometric density and convenient promptness rate cannot adapt to the differentiated demand of live power equipment state of temperature assessment very well.
Based on this, it is expected that obtaining a kind of infrared imaging temperature measuring sensor, the infrared imaging temperature measuring working sensor mode is more
Sample improves the portability of sensor, signal transmission form multiplicity, to meet the differentiation of electric power equipment on-site temperature measurement
It needs.
Summary of the invention
One of the objects of the present invention is to provide a kind of infrared imaging temperature measuring sensor of plug and play, it is described it is infrared at
As temperature transducer can be used cooperatively with various intelligent terminals, the portable of infrared imaging temperature measuring sensor is greatly improved
Property, and the portability of the infrared imaging temperature measuring sensor and popularization are significantly better than existing traditional infrared sensor.
In addition, the infrared imaging temperature measuring sensor thermometric high resolution of plug and play of the present invention, temperature-measuring range are wide, accuracy essence
Degree is high.
In order to achieve the purpose that foregoing invention, the present invention provides a kind of infrared imaging temperature measuring sensor of plug and play,
Include:
Infrared probe acquires the infrared image of detected object；
Driving plate is connect with the infrared probe, and the driving plate is equipped with temperature control modules, A/D conversion module
And bias voltage module；Wherein the bias voltage module provides voltage for infrared probe；The A/D conversion module is by infrared spy
The picture signal of head transmission is converted to data image signal；The temperature control modules control the focal plane array of the infrared probe
The temperature of column；
FPGA plate is connect with the driving plate, and the FPGA plate is equipped with FPGA module, memory module and plug and play
Interface driver module, wherein the memory module and plug and play interface drive module are connect with FPGA module, wherein FPGA
Module gives the infrared probe and A/D conversion module output driving clock signal, so that it is started to work, A/D conversion module will
The data image signal is transferred to FPGA module and is handled, and FPGA module will be described in the write-in of treated data image signal
Memory module；The plug and play interface drive module is equipped with plug and play interface, sets when the plug and play interface is external
When standby, the FPGA module is transferred to the equipment via plug and play interface from the memory module called data and by it.
In technical solutions according to the invention, infrared probe is used to acquire the infrared image of detected object, and institute
Analog power and digital power can be used while power by stating infrared probe, and infrared probe is by capturing power equipment heat radiation shape
It at thermography or thermal imagery video and is converted into picture signal and exports to the A/D conversion module in driving plate, A/D conversion module will be red
After the picture signal of outer probe output is converted to orderly data image signal, further it is transferred to FPGA module and is handled,
Then, by treated, the memory module is written in data image signal to FPGA module.It should be noted that FPGA module for
The processing of data image signal includes number known to the correction process of digital signal and other those skilled in the art
According to processing mode, since data processing method belongs to the conventional technical means that those skilled in the art are known, thus,
This is repeated no more.And when the plug and play interface external equipment in FPGA module, FPGA module is transferred from the memory module
It is simultaneously transferred to the equipment via plug and play interface by data.
During the work time, temperature control modules are used to control the temperature of the focal plane arrays (FPA) of the infrared probe, temperature control
Size of current and direction of the control module by adjusting temperature control circuit, realize and reach equilibrium temperature to infrared probe heating or refrigeration
Effect, and using bias voltage module be due to DC offset voltage value differ it is larger and higher to voltage source noise requirements,
Therefore, the mode for using a reference source to combine with operational amplifier provides required electricity to constitute bias voltage module as infrared probe
Pressure.And FPGA module loads FPGA program after circuit pathways, and can be to infrared probe and A/D conversion module output driving when
Clock signal drives infrared probe and the work of A/D conversion module.
It should be noted that FPGA refers to field programmable gate array in technical solutions according to the invention
(Field-Programmable GateArray).
Further, in the infrared imaging temperature measuring sensor of plug and play of the present invention, the plug and play is connect
Mouth is USB interface.
Further, in the infrared imaging temperature measuring sensor of plug and play of the present invention, the memory module is
SRAM。
It should be noted that the memory module is written in data image signal in technical solutions according to the invention
When, data image signal includes that line frequency, rate signals synchronize, the signal after synchronizing Static RAM (i.e. SRAM,
Hereinafter referred to as SRAM) control under cache in sram.It, can also be with it is envisioned that in some other embodiments
The function of storage signal, such as DRAM are realized using the memory module that other those skilled in the art are known.
Further, in the infrared imaging temperature measuring sensor of plug and play of the present invention, the memory module is extremely
It less include two submodules, treated data image signal is alternately written at least two submodule.
Be conducive to improve the efficiency and image storage space of image storage using at least two submodules.
Further, in the infrared imaging temperature measuring sensor of plug and play of the present invention, the infrared probe is
Non-refrigeration type infrared probe, the non-refrigeration type infrared probe include uncooled microbolometer focal plane arrays (FPA), read electricity
The temperature of road, thermoelectric cooler and temperature sensor, the thermoelectric cooler and temperature sensor and the driving plate controls mould
Block connection, to realize that temperature control modules control the temperature of the uncooled microbolometer focal plane arrays (FPA).
In above scheme, non-refrigeration type infrared probe can be popped one's head in using the LONG WAVE INFRARED of 384 × 288 arrays, the long wave
Infrared probe is sensitive to 8~14 μm of long-wave band light radiation, is that the photoelectricity that a kind of reliability is high, small in size, light-weight, low in energy consumption turns
Change element.Used uncooled microbolometer focal plane arrays (FPA) can be the two-dimensional array composition of 384 × 288 rows of column,
Array is connected with reading circuit, believes in a pulsed fashion the upper pixel of the uncooled microbolometer focal plane arrays (FPA)
It reads and integrates number line by line.Further, since uncooled microbolometer focal plane arrays (FPA) needs to keep the steady of own temperature,
The infrared image of high quality can be just obtained, thus itself and temperature sensor are connect with temperature control modules, and it is micro- to realize non-brake method
The temperature of calorimeter focal plane arrays (FPA) controls.
Correspondingly, described another object of the present invention is to provide a kind of infrared imaging temperature measuring system of plug and play
Infrared imaging temperature measuring system can carry out data acquisition to electric power equipment on-site using multiple-working mode, can have a variety of letters
Number transmission channel, such as by mini USB, 3G/4G or wifi interface, with meet work independently, the need that networking works online
It asks.
In order to achieve the purpose that foregoing invention, the present invention provides a kind of infrared imaging temperature measuring system of plug and play, packets
It includes:
At least one portable infrared detecting terminal, wherein each portable infrared detecting terminal includes above-mentioned red
Outer image-forming temperature measurement sensor and the Portable intelligent terminal being connect with infrared imaging temperature measuring sensor plug and play, it is described portable
Infrared acquisition management module is mounted on formula intelligent terminal, the infrared acquisition management module is surveyed to the infrared imaging is transferred from
The data of temperature sensor are analyzed and are handled；
At least one on-line monitoring terminal, wherein each on-line monitoring terminal includes that above-mentioned infrared imaging temperature measuring passes
Sensor and the on-line monitoring interaction control device being connect with the infrared imaging temperature measuring sensor plug and play；
Background management system is connect with the on-line monitoring interaction control device, the on-line monitoring interactive controlling dress
Set and the data received from infrared imaging temperature measuring sensor connected to it be transferred to background management system, with to the online prison
It surveys the corresponding test point of terminal and carries out real time on-line monitoring.
It is portable in the portable infrared detecting terminal in infrared imaging temperature measuring sensor of the present invention
Formula intelligent terminal can be used as infrared imaging temperature measuring sensor and extend workbench in portable measurement, in Portable intelligent terminal
After connecting with infrared imaging temperature measuring sensor plug and play, the analysis and processing of data are realized by infrared acquisition management module
Such as it can check real time data, thermal imagery map analysis and downloads historical data analysis.
And for monitoring terminal on-line, its role is to support the infrared imaging temperature measuring under on-line checking mode to sense
Automatic collection, the communication of data are realized in the work of device by the connection of on-line monitoring interaction control device and background management system,
Signal processing, security alarm and control function.Background management system is analyzed after obtaining data by the storage of data, raw
At report, real-time perfoming monitoring alarm, and integrated management control is carried out to infrared imaging temperature measuring sensor.
In some embodiments, on-line monitoring interaction control device includes processor, memory modules, power management module
And communication module, wherein memory modules include memory and buffer, and memory can be NAND flash storage,
For storing kernel code, application program, file system and data information.In addition, memory can also include SD card, with
In extension storage capacity, the data for storing infrared imaging temperature measuring sensor, document.And buffer can use Mobile DDR.
And the power management module for monitoring interaction control device on-line is indicated by processor management charge and discharge.For example by communication module
Wifi, 3G/4G communication module realize the networking on the spot and electric power equipment on-site wireless penetration detection of more equipment, so as to reality
Existing real-time exchange monitoring data, in order to the tour of operator.
In some embodiments, infrared imaging temperature measuring sensor and on-line monitoring interaction control device in processor into
After the processing of row Digital Image Transmission, data image signal can be shown by the LCD that processor controls.
Further, in the infrared imaging temperature measuring system of plug and play of the present invention, the portable intelligent is whole
End is connect with the background management system, to transmit data to background management system.
In above scheme, Portable intelligent terminal can be connect for example, by Wireless Networking mode with background management system,
By the real-time data transmission in Portable intelligent terminal into background management system, thus the record management in background management system
Analyze data.
Further, in the infrared imaging temperature measuring system of plug and play of the present invention, the portable intelligent is whole
End includes at least one of smart phone or tablet computer.
Further, in the infrared imaging temperature measuring system of plug and play of the present invention, the on-line monitoring interaction
Control device and/or the Portable intelligent terminal and background management system are wirelessly connected.
Further, in the infrared imaging temperature measuring system of plug and play of the present invention, further includes:
Cloud server is connect with the background management system and/or Portable intelligent terminal, the cloud server
Store the data of background management system and/or Portable intelligent terminal transmission；
Portable monitor terminal is connect with the cloud server, to obtain the data of cloud server storage.
In above scheme, the infrared imaging can simplify by setting cloud server and portable monitor terminal and survey
The system structure of warm system, to reduce use cost.
In some embodiments, in order to reduce field wiring, can by on-line monitoring interactive controlling module with it is described
Infrared imaging temperature measuring sensor provide power supply when connecting by the interface of plug and play, to improve of the present invention infrared
The portability that image-forming temperature measurement system is applied at the scene.In addition, in some operating modes, the infrared imaging temperature measuring of plug and play passes
Sensor can use portable power supplies, such as 7.2~8.4V lithium battery as power supply, to expand infrared imaging temperature measuring sensor
Application range, so that it is had flexibility not available for infrared temperature measurement apparatus in the prior art.Certainly, some preferred
In embodiment, external direct current for example can be designed on the power management of on-line monitoring interactive controlling module by optimization structure
Power supply (such as lithium battery) of the power supply by charging chip to infrared imaging temperature measuring system charges, to form a system power supply mould
Block, to expand the application range of infrared imaging temperature measuring sensor.
The infrared imaging temperature measuring sensor of plug and play of the present invention is different from temperature transducer in the prior art,
It has portability, and the infrared imaging temperature measuring sensor can be used cooperatively with various intelligent terminals, greatly improve
The portability of infrared imaging temperature measuring sensor, and portability and popularization are significantly better than existing traditional infrared sensor.
Portability refers to that infrared measurement of temperature terminal can be used cooperatively with various intelligent terminals, such as is transplanted to intelligent hand by general-purpose interface
Machine.Compared with traditional Handheld infrared thermal imager, with intelligent terminal share information transfer channel just make it is of the present invention i.e.
The infrared imaging temperature measuring sensor of plug-and-play can upload infrared data, query history information in time, and be convenient for terminal networking,
Realize data sharing.Since electrical equipment heating defect can be divided into current caused hot type and voltage pyrogenicity type, wherein current caused hot type
Temperature rise is obvious, and thermometric is frequent；Voltage pyrogenicity type temperature change is small, belongs to accurate thermometric, resolution ratio to temperature measuring equipment and accurate
It is required that high.The thermometric resolution ratio of infrared imaging temperature measuring sensor of the present invention is less than 0.1 DEG C；Temperature-measuring range is 0~200
℃；Thermometric accuracy reaches ± 2% or ± 2 DEG C；Maximum temperature measuring distance is not less than 50 meters.
The infrared imaging temperature measuring system of plug and play of the present invention also has monitoring other than having the above advantages
Reliable measurements ability under the conditions of the diversified transmission channel and low cost of information.In electric field, portable spirit is not only needed
Thermometric living, it is also necessary to being capable of regular, long term monitoring on-line monitoring.And infrared imaging temperature measuring system of the present invention, no
Only can be realized that acquisition transmission is shown with data, analysis is isolated, support it is independent monitor work on-line, and can also be with portable survey
Amount operating mode forms complementation, meets live differentiated demand.
In addition, infrared imaging temperature measuring system of the present invention is at low cost, compared with traditional infrared thermal imaging system, using appropriate
Framework pass through targeted type selecting so that infrared imaging temperature measuring system of the present invention greatly reduces production cost.
Detailed description of the invention
Fig. 1 is the structural representation of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Figure.
Fig. 2 is infrared imaging temperature measuring system in one embodiment portable red of plug and play of the present invention
Outer detecting terminal structural framing figure.
Fig. 3 is the on-line monitoring of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Terminal structure frame diagram.
Fig. 4 is the back-stage management of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
System block diagram.
Fig. 5 is the infrared acquisition of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
The schematic block diagram of management module.
Fig. 6 is infrared imaging temperature measuring system in one embodiment portable red of plug and play of the present invention
Outer detecting terminal structural schematic diagram.
Fig. 7 is the on-line monitoring of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Terminal structure schematic diagram.
Fig. 8 shows the ash of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Degree-Temperature Scaling curve.
Fig. 9 shows the thermometric of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Error curve.
Specific embodiment
It below will according to specific embodiment and Figure of description is to the infrared imaging temperature measuring of plug and play of the present invention
Sensor and infrared imaging temperature measuring system are described further, but the explanation is not constituted to the improper of technical solution of the present invention
It limits.
Fig. 1 is the structural representation of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Figure.
As shown in Figure 1, in the present embodiment, infrared imaging temperature measuring system 1 include portable infrared detecting terminal 4,
Line monitoring terminal 5 and the background management system 6 being connect with the on-line monitoring interaction control device in on-line monitoring terminal 5.This
Outside, infrared imaging temperature measuring system 1 further includes and cloud server 2 and the portable monitor terminal connecting with cloud server 2
3.Wherein, cloud server 2 is connect with the Portable intelligent terminal in background management system 6 and portable infrared detecting terminal 4,
The data transmitted to store background management system 6 and Portable intelligent terminal, and the available cloud of portable monitor terminal 3
The data of server storage, are monitored in real time.
It should be noted that those skilled in the art can be multiple portable according to the setting of the concrete condition of embodiment
Formula infrared acquisition terminal 4 and multiple on-line monitoring terminals 5, for example, can be set three portable infrared detecting terminals 4 and
Two on-line monitoring terminals 5.
About portable infrared detecting terminal 4, on-line monitoring terminal 5 and the background management system 6 in present embodiment
Concrete condition can be with further reference to Fig. 2 to Fig. 7.
Fig. 2 is infrared imaging temperature measuring system in one embodiment portable red of plug and play of the present invention
Outer detecting terminal structural schematic diagram.
As shown in Fig. 2, Fig. 1 and Fig. 3 is simultaneously referred to if necessary, and in the present embodiment, portable infrared detecting terminal 4,
It is whole including infrared imaging temperature measuring sensor 41 and the portable intelligent being connect with 41 plug and play of infrared imaging temperature measuring sensor
End 42, is mounted with infrared acquisition management module on Portable intelligent terminal 42, infrared acquisition management module to be transferred from it is infrared at
As the data of temperature transducer 41 are analyzed and are handled.In the present embodiment, Portable intelligent terminal 42 can be intelligence
Mobile phone, or tablet computer.
In the present embodiment, infrared imaging temperature measuring sensor 41 connect logical with the plug and play of Portable intelligent terminal 42
The connection of the first plug and play interface 43 is crossed, the first plug and play interface is USB Type C connector in the present embodiment.
With further reference to Fig. 2 as can be seen that infrared imaging temperature measuring sensor 41 include infrared probe 411, driving plate 412 with
And FPGA plate 413.Wherein, infrared probe 411 is used to acquire the infrared image of detected object, and driving plate 412, and infrared
411 connection of probe, driving plate 412 are equipped with temperature control modules 4121, A/D conversion module 4122 and bias voltage module
4123, bias voltage module 2123 is that infrared probe 411 provides voltage, and A/D conversion module 4122 transmits infrared probe 411
Picture signal be converted to data image signal, temperature control modules 4121 control the temperature of the focal plane arrays (FPA) of infrared probe 411
Degree；FPGA plate 413 is connect with driving plate 412, and FPGA plate 413 is equipped with FPGA module 4131, memory module 4132 and inserts
Interface driver module 4133 is used, memory module 4132 and plug and play interface module 4133 are connect with FPGA module 4131,
FPGA module 4131 gives 4122 output driving clock signal of infrared probe 411 and A/D conversion module, so that 411 He of infrared probe
A/D conversion module 4122 is started to work, and data image signal is transferred at FPGA module 4131 by A/D conversion module 4122
Reason, by treated, memory module 4132 is written in data image signal to FPGA module 4131.Plug and play interface drive module
4133 are equipped with the first plug and play interface 43, when plug and play interface for external equipment such as Portable intelligent terminal 42 or
When monitoring interaction control device 51 on-line, FPGA module 4131 is from 4132 called data of memory module and by it via plug and play
Interface is transferred to external equipment, that is, is transferred to Portable intelligent terminal 42 or on-line monitoring interaction control device 51.
It should be noted that in the present embodiment, memory module 4132 includes SRAM1 and SRAM2, treated number
Word picture signal is alternately written SRAM1 and SRAM2, can after any one DSR in SRAM1 and SRAM2
To send the on-line monitoring terminal 5 connecting with infrared imaging temperature measuring sensor 41 or portable intelligent to by plug and play interface
Terminal 42.
And in the present embodiment, infrared probe 411 is non-refrigeration type infrared probe, and non-refrigeration type infrared probe includes non-
Freeze microbolometer FPA array, reading circuit, thermoelectric cooler and temperature sensor, uncooled microbolometer
Focal plane arrays (FPA) passes through and temperature sensor is connect with the temperature control modules 4121 of driving plate 412, to realize that temperature controls mould
Block 4121 controls the temperature of the uncooled microbolometer focal plane arrays (FPA).
In addition, the configuration circuit connecting with FPGA module 4131 can also be arranged in FGPA plate 413, to provide power supply.
Fig. 3 is the on-line monitoring of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Terminal structure schematic diagram.
As shown in figure 3, simultaneously referring to Fig. 1 if necessary, in the present embodiment, on-line monitoring terminal 5 includes infrared imaging
It temperature transducer 41 and is connect with infrared imaging temperature measuring sensor 41 by 515 plug and play of the second plug and play interface online
Monitor interaction control device 51.In the present embodiment, the second plug and play interface 515 is USB interface.
Monitor interaction control device 51, including processor 511, memory modules, power management module 513 and communication on-line
Module 514, wherein memory modules include memory 5121, extended menory 5123 and buffer 5122, and memory 5121 is
NAND flash storage, for storing kernel code, application program, file system and data information.Extended menory 5123
For SD card, for extension storage capacity, the data for storing infrared imaging temperature measuring device, document.And buffer 5122 uses
Mobile DDR.In addition, the power management module 513 of on-line monitoring interaction control device manages charge and discharge by processor 511
Instruction, power management module 513 is equipped with DC supply input interface 5131, for providing power supply.Communication module 514 includes
Wifi communication module 5141 and 3G/4G communication module 5142, to realize the networking on the spot and electric power equipment on-site of more equipment
Wireless penetration detection, so as to realize real-time exchange monitoring data, in order to the tour of operator.
Processor 511 in infrared imaging temperature measuring sensor 41 and on-line monitoring interaction control device 51 carries out data transmission
After processing, picture signal can be shown by the LCD516 that processor 511 controls.
Fig. 4 is the back-stage management of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
System block diagram.
As shown in figure 4, simultaneously combining Fig. 1 if necessary, in the present embodiment, background management system 6 and on-line monitoring are handed over
Mutual control device 51 connects, and on-line monitoring interaction control device 51 will be received from infrared imaging temperature measuring sensor 41 connected to it
Data be transferred to background management system, with to test point corresponding with the on-line monitoring terminal 5 carry out real time on-line monitoring.?
In present embodiment, the function that background management system 6 may be implemented includes terminal and test point management, data acquisition and display,
Temperature management and analysis and system maintenance.
Fig. 5 is the infrared acquisition of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
The schematic block diagram of management module.
As shown in figure 5, simultaneously infrared acquisition management module is designed to app combined with Figure 1 and Figure 2, if necessary, including infrared
Temperature measurement module, image taking module, data recordin module and data inquiry module, pass through portable intelligent after being mounted with app
Terminal 42 opens portable thermometric cotype, and functional module and structure are as shown in Figure 5.Infrared acquisition management module is corresponding by installation
App realize the use of each module.The interface UI is the interface that various functions are presented to the user by app, is final after app is developed
Result is presented.User function layer shows that app is presented to the trunk function of user, and core function layer then shows infrared spy
Management module function achieved after using app is surveyed, basic function layer provides data resource, network clothes for user function layer
Business and safety assurance, wherein Socket and HTTP provides the network communication of obstruction and non-obstruction.Socket is ICP/IP protocol
Encapsulation, is a calling interface, solves the problems, such as how data are transmitted in a network；And HTTP is application layer protocol, is to solve
The problem of data are packed, the combination of only Socket and HTTP just can make data transmit and be identified in a network.Provider
It is then to provide data to other modules to support.
Fig. 6 is infrared imaging temperature measuring system in one embodiment portable red of plug and play of the present invention
Outer detecting terminal structural schematic diagram.
In conjunction with reference Fig. 1, Fig. 2 and Fig. 6, when portable infrared detecting terminal 4 is in portable measurement operating mode, by red
Infrared probe 411 on outer image-forming temperature measurement sensor 41 acquires the infrared image of detected object, fixture 71 and with fixture 71
The rotatable branch gripping arm 72 of connection is for fixing infrared imaging temperature measuring sensor 41 and Portable intelligent terminal 42.Rotatable branch
Brace 72 has rotation axis, can be rotated with 360 ° in the axial direction, in order to the survey of 4 multi-angle of portable infrared detecting terminal
Amount.
The advantages of portable measurement operating mode, is that infrared imaging temperature measuring sensor 41 can pass through the first plug and play
Interface 43 is connect with Portable intelligent terminal 42, whole since 43 versatility of the first plug and play interface is high, convenient and fast connection
Device structure is lightly flexible, convenient for the hand-held effect of operator, can directly carry out thermometric work, acquired data can be real
When transmission log.
Fig. 7 is the on-line monitoring of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Terminal structure schematic diagram.
In conjunction with reference Fig. 1, Fig. 3 and Fig. 7, when monitoring terminal 5 on-line in on-line monitoring operating mode in short-term, by infrared
Infrared probe 411 on image-forming temperature measurement sensor 41 acquires the infrared image of detected object, infrared imaging temperature measuring sensor 41
It can be operated using the electronic component for supporting long-term work with guaranteeing to maintain the wire length time under external power conditions, and
Sensitive position or suspected malfunctions hidden danger to vital electrical equipment are monitored on-line, obtain the continuous data in the short time to divide
Analyse power equipment operating condition.
Adjustable hanging buckle 73 and alnico magnets 74 are for fixing infrared imaging temperature measuring sensor 41 and on-line monitoring
Interaction control device 51.Adjustable hanging buckle 73 has rotation axis, can be rotated with 360 ° in the axial direction, in order to monitor on-line
5 multiangular measurement of terminal.
In addition, the infrared imaging temperature measuring system 1 in present embodiment is also in on-line monitoring operating mode, being in should
Infrared imaging temperature measuring system 1 under operating mode uses distributed control structure, i.e. the industry control of " Centralized Monitoring, distributed collection "
Mode processed.Infrared imaging temperature measuring sensor 41 passes through time trigger, temperature triggered, outer degree to each monitoring point temperature real-time monitoring
The mode that I/O triggering and other those skilled in the art are known triggers thermometric.And portable infrared detecting terminal 4 with
And on-line monitoring terminal 5 flexibly switches under various operating modes.
Background management system 6 sets carry out data interaction with on-line monitoring terminal 5 by wireless communication, and real-time display respectively monitors
The temperature information of point；And the data of monitoring are handled, complete alarm, history run temperature curve generates, equipment state is commented
Estimate, data storage, the functions such as printing reports.And operator accesses cloud server 2 from cloud by Portable intelligent terminal 42
End monitoring electrical equipment temperature data, the analysis of downloading monitoring center whenever and wherever possible is as a result, grasp scene dynamic.
In order to verify the plug and play in present embodiment infrared imaging temperature measuring system temperature measurement accuracy, according to the history base of a fruit
Sweet smell-Boltzmann law carries out temperature-gray scale by black matrix, that is, records under different blackbody temperatures, present embodiment
In infrared imaging temperature measuring sensor 41 gray value, carry out the fitting of temperature-gray scale, obtain gray scale-Temperature Scaling shown in Fig. 8
Curve.Fig. 8 shows the gray scale-temperature of the infrared imaging temperature measuring system of plug and play of the present invention in one embodiment
Spend calibration curve.
When acquiring target temperature radiation due to infrared imaging temperature measuring sensor 41, is radiated with environment temperature and other are miscellaneous
Infra-red radiation is dissipated, causes collected target gray and actual emanations to have certain error, also results in temperature measurement error.By soft
Part algorithm carries out the mode of temperature-compensating, carries out thermometric calculating.Error curve as shown in figure 9, Fig. 9 show it is of the present invention
The temperature measurement error curve of the infrared imaging temperature measuring system of plug and play in one embodiment.
In addition, Tables 1 and 2 respectively illustrates, environment temperature is 48 DEG C and environment temperature is the temperature-measuring results at 37 DEG C.
1. environment temperature of table is the temperature-measuring results at 48 DEG C
| Temperature (DEG C) | Test value (DEG C) | Error (DEG C) |
| 5 | 5.36 | 0.36 |
| 10 | 10.33 | 0.33 |
| 20 | 20.09 | 0.09 |
| 35 | 34.9 | 0.1 |
| 50 | 49.81 | 0.19 |
| 65 | 64.75 | 0.25 |
| 80 | 79.71 | 0.29 |
| 100 | 99.65 | 0.35 |
| 120 | 119.9 | 1.1 |
2. environment temperature of table is the temperature-measuring results at 37 DEG C
| Temperature (DEG C) | Test value (DEG C) | Error (DEG C) |
| 5 | 5.31 | 0.31 |
| 10 | 10.03 | 0.03 |
| 20 | 19.82 | 0.18 |
| 35 | 34.54 | 0.46 |
| 50 | 49.33 | 0.67 |
| 65 | 64.4 | 0.6 |
| 80 | 79.29 | 0.71 |
| 100 | 99.18 | 0.82 |
| 120 | 118.5 | 1.5 |
The thermometric resolution ratio that can be seen that infrared imaging temperature measuring sensor of the present invention in conjunction with Fig. 9, Tables 1 and 2 is small
In 0.1 DEG C；Temperature-measuring range is 0~200 DEG C；Thermometric accuracy reaches ± 2% or ± 2 DEG C；Maximum temperature measuring distance is not less than 50 meters,
It sufficiently can satisfy the demand to power equipment thermometric.
It should be noted that prior art part is not limited to given by present specification in protection scope of the present invention
Embodiment, all prior arts not contradicted with the solution of the present invention, including but not limited to first patent document, formerly
Public publication, formerly openly use etc., it can all be included in protection scope of the present invention.
In addition, it should also be noted that, institute in the combination of each technical characteristic and unlimited this case claim in this case
Combination documented by the combination or specific embodiment of record, all technical characteristics documented by this case can be to appoint
Where formula is freely combined or is combined, unless generating contradiction between each other.
It should be noted that embodiment enumerated above is only specific embodiments of the present invention.Obviously not office of the invention
It is limited to above embodiments, the similar variation or deformation made therewith are that those skilled in the art can be straight from present disclosure
It connects and obtains or be easy to just to associate, be within the scope of protection of the invention.
Claims (10)
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