CN207019795U - A kind of infrared temperature detection instrument - Google Patents
A kind of infrared temperature detection instrument Download PDFInfo
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- CN207019795U CN207019795U CN201720793455.2U CN201720793455U CN207019795U CN 207019795 U CN207019795 U CN 207019795U CN 201720793455 U CN201720793455 U CN 201720793455U CN 207019795 U CN207019795 U CN 207019795U
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- China
- Prior art keywords
- temperature detection
- detection instrument
- infrared temperature
- laser aligner
- mcu module
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Abstract
The utility model discloses a kind of infrared temperature detection instrument, including housing and support, and the infrared sensor being arranged in housing；Enclosure interior is additionally provided with laser aligner, and laser aligner is cylinder with infrared sensor and be arranged in parallel；Enclosure interior is additionally provided with MCU module, and MCU module connects infrared sensor and laser aligner respectively.Laser aligner is used to launch reference beam to aim at position to be measured, so as to further improve accuracy of measurement.MCU module presets work timing to laser aligner.MCU module automatically turns on laser aligner after upper electricity, and MCU module closes laser aligner automatically after working more than the time limit, so as to avoid laser aligner from working long hours caused damage.
Description
Technical field
A kind of Electrical Safety monitoring technology field is the utility model is related to, more particularly to a kind of infrared temperature detection instrument.
Background technology
With the rapid development of economy, power consumption increases year by year, Electrical Safety problem also gradually highlights.Electrical equipment is more next
It is more, and electric elements inside is complicated.Shell or cabinet door can not be opened to it during electricity consumption or electric power distribution facility are run
Detected, after longtime running, overheating fault easily occurs in each element.Find in advance close to the component of malfunction, from
And take preventive measures, when breaking down, element fault can be quickly and accurately found, maintenance and guarantee peace for electrical equipment
Full hair power supply tool is of great significance.
The operation principle of infrared radiation thermometer is：Infrared radiation thermometer receives the infrared radiating light of testee, red by front end
Outer lens focus on optical signal on sensor, and sensor converts optical signals to electric signal, and electric signal is by subsequent conditioning circuit
Amplification is with after filtering, being sent into analog-digital converter, microcomputer reads magnitude of voltage, being converted the voltage into by voltage temperature transforming function transformation function
For temperature, finally show over the display, infrared radiation thermometer is realized for a kind of contactless infra-red radiation by receiving object
The utensil of temperature survey.
Currently used infrared radiation thermometer is substantially set two parts of infrared temperature detection instrument and collection detector
In a housing, volume is larger, installation and maintenance inconvenience.
And in the prior art, the technical scheme that temperature survey and measurement result are collected to two organizational separations of transmission then uses
Cylindrical infrared probe directly realizes temperature survey by way of signal wire connects collector, DATA REASONING inaccuracy etc. be present
Problem.For example, No. 201620801325.4 Chinese utility model patents for having obtained mandate disclose a kind of infrared temperature measurement apparatus,
Including：Infrared shortwave detector, data processing module and controller.Its infrared shortwave detector and data processing module are electrical
Connection, i.e., connected by signal wire, and what it is due to signal wire transmission here is the very weak data signal of intensity, to realize the letter
Number output, data processing module needs to set external modulate circuit, could believe the thermometric of infrared shortwave detector maturation
Number be converted to the voltage signal that can be transmitted.
And the transmission poor anti jamming capability of temperature measurement signal, it is not strong to the adaptability of complex environment, thus collect final
Data error is larger.And its external modulate circuit, flow is complicated, and cost is high.
In addition, the infrared temperature detection instrument that current monitoring detector uses, majority lacks laser aligner or needed
Additionally mounted, the laser aligner of installation also needs to pull down again after the alignment of infrared temperature detection instrument, to prevent laser
Aligner damages because working long hours.But the maintenance each time to infrared temperature detection instrument will be repeated to install, pulled down, and be made
With inconvenience.
Utility model content
The purpose of this utility model is, there is provided one kind probe accurate positioning, temperature acquisition and transmission integration and number
According to the high infrared temperature detection instrument of the degree of accuracy.Specific technical scheme is as follows：
A kind of infrared temperature detection instrument, including housing and support, and the infrared sensor being arranged in housing；Housing
Inside is additionally provided with laser aligner, and laser aligner is cylinder with infrared sensor and be arranged in parallel；Enclosure interior is also
MCU module is provided with, MCU module connects infrared sensor and laser aligner respectively, and MCU module sets work to laser aligner
Make the time limit, automatically turn on or/and close laser aligner.
Laser aligner is used to launch reference beam to aim at position to be measured, so as to further improve accuracy of measurement.MCU
Module presets work timing to laser aligner.MCU module automatically turns on laser aligner after upper electricity, after working more than the time limit
MCU module closes laser aligner automatically, so as to avoid laser aligner from working long hours caused damage.
Further, MCU module connects laser aligner by transistor switching circuit.Switch triode has the life-span
It is long, safe and reliable, without mechanical wear, the features such as switching speed is fast, small volume.Switch triode can use the electric current of very little,
Control the break-make of high current.It is easy to MCU module fast and safely to control the open and close of laser aligner.
Further, MCU module connects the SMBus interfaces of infrared sensor by I/O interface.SMBus agreements and its interface
For realizing that low rate communicates, signal stabilization is relatively preferable, and circuit structure is simple, but transmission range is short, is not suitable for
Long-distance transmissions.
Further, MCU module connects RS485 communication modules, RS485 communication modules connection cables 8 by UART interface.
RS485 communications protocol communication distances are farther, and antijamming capability is stronger.Connect the line of infrared temperature detection instrument and detector 9
Cable 8 uses two pairs of double shielded twisted pair cables (i.e. four core double screen pair cables).
Further, the upper and lower ends of support are each provided with a spherical universal joint, are provided with support at least one
Fastening fastening nail.It is simple in construction using the infrared temperature detection instrument small volume of this structure, it is easily installed in the less electricity in space
In gas holder body, and 360 degree of the angle popped one's head in is adjustable, and thermometric is more accurate.
Further, housing uses aluminum or aluminum alloy material.The strong antijamming capability of aluminium.
Further, laser aligner work timing is 20-60 minutes.
Further, cable uses two pairs of double shielded twisted pair cables.
Further, the universal joint on support connects housing and infrared temperature detection instrument by a location nut respectively
Position location.
Further, indicator lamp is additionally provided with housing, when infrared temperature detection instrument works, indicator lamp lights.
The beneficial effects of the utility model are：
1. the laser aligner of automatic switch built in infrared temperature detection instrument, improve accuracy of measurement, and energy saving；
2. being equipped with gimbals, small volume is simple in construction, and 360 degree adjustable, is easily installed in the less electrical cabinet body in space
Interior, thermometric is more accurate；
3. the transmission method signal stabilization that the utility model uses, strong antijamming capability, circuit structure are simple.
Brief description of the drawings
Fig. 1：The utility model embodiment front view；
Fig. 2：The left view of Fig. 1 positions；
Fig. 3：Tthe utility model system schematic diagram；
Fig. 4：Utility model works flow chart；
Wherein：1- housings, 2- supports, 3- universal joints, 4- location nuts, 5- fastenings nail, 6- laser aligners, the infrared biographies of 7-
Sensor, 8- cables, 9- detectors, 10-MCU modules.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing of type, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments.Based on described embodiment of the present utility model,
The every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, belongs to this practicality
Novel protected scope.
The utility model embodiment as shown in Figure 1 and Figure 2, is related to a kind of infrared temperature detection instrument, including housing 1 and branch
Frame 2, support 2 are Double-layer symmetrical structure, and the upper and lower ends of support 2 are each provided with a universal ball joint 3, and universal joint 3 is positioned at branch
Between two layers of frame 2, and in the circular port being positioned on support 2.At least one fastening nail 5, the present embodiment are provided with support 2
In, it is threaded on fastening nail 5 there is provided two fastening nails 5, the tightness of universal joint 3 is adjusted by rotating fastening nail 5,
So as to adjust the angle of universal joint 3.
Universal joint 3 on support 2 connects the positioning of housing 1 and infrared temperature detection instrument by a location nut 4 respectively
Position.
It is simple in construction using the infrared temperature detection instrument small volume of this structure, it is easily installed less electrically in space
In cabinet, and 360 degree of the angle popped one's head in is adjustable, and thermometric is more accurate.
The housing 1 of infrared temperature detection instrument uses aluminum or aluminum alloy housing, and antijamming capability is stronger under adverse circumstances.Shell
Body 1 is internally provided with infrared sensor 7 and laser aligner 6, and laser aligner 6 treats location for launching reference beam to aim at
Put, so as to further improve accuracy of measurement.Laser aligner 6 is using the good laser probe of condenser performance, laser aligner 6
With infrared sensor 7 be cylinder and it is parallel be adjacent to, and the optical axis of laser aligner 6 is set with the diameter parallel of infrared sensor 6
Put, laser aligner 6 and the midpoint distance of infrared sensor 7 are the radius sum, actual range 8mm or so of the two, are actually made
In, using contactless temperature-measuring, and testee is typically greater than the midpoint distance of laser aligner 6 and infrared sensor 7.
A MCU module 10 is additionally provided with housing 1, the MCU module 10 is preferably the PIC16LF1825 cores of 14 pins
Piece, encapsulated using TSSOP, and onboard clock generator, UART communication interfaces, and multiple I/O interfaces.
MCU module 10 connects infrared sensor 7 and laser aligner 6 respectively；Infrared sensor 7 is defeated using SMBus interfaces
Go out, MCU module 10 connects SMBus interfaces by I/O interface.The SMBus signals that now infrared sensor 7 exports are believed for low rate
Number, it is not suitable for transmitting over long distances.MCU module 10 passes through time stimulatiom technology, the temperature data of reading infrared sensor 7, and shape
Into the digital signal of ASCII coded formats.The data signal of ASCII coded formats is easy to information to exchange, versatile, is not easy
By external action.Data from the output of infrared temperature detection instrument are digital, so as to avoid analog signal from being done by environment
Disturb.
MCU module 10 connects laser aligner 6 by transistor switching circuit, and laser aligner 6 is automatically turned on after upper electricity,
Laser aligner 6 presets work timing, and laser aligner 6 is closed automatically after working more than the time limit, so as to avoid laser aligner 6
Work long hours caused damage.
Infrared temperature detection instrument uses RS485 communication modules, and communication distance is farther, and antijamming capability is stronger.MCU module
10 connect RS485 communication modules by UART interface, and RS485 communication modules reconnect external communication cable 8.Cable 8 it is another
End is connected to detector 9.
The cable 8 of infrared temperature detection instrument and detector 9 is connected using two pairs of double shielded twisted pair cables (i.e. four cores pair
Shield pair cable).
LED light is additionally provided with infrared temperature detection instrument, when infrared temperature detection instrument works, LED light
Light.
The operating process of the present embodiment two is as follows：
(1) infrared temperature detection instrument is installed to position to be measured, adjusts backing positions, make infrared sensor 6 substantially right
Quasi- testee；Because the part of support 2 includes top, the mechanism of universal joint 3 of bottom two, by loosening the tight of the part of support 2
Admittedly following closely 5, loosen clamping of the support 2 to universal joint 3, by universal joint 3 to the position of support 2 and infrared temperature detection instrument and
Angle is finely adjusted, so that the installation site of infrared temperature detection instrument does not need particular determination, and is adapted to narrow and small
Space.
(2) MCU module 10 opens laser aligner 6, according to the instruction of laser aligner 6, is accurately positioned temperature measuring point；MCU
Module presets work timing to laser aligner, and after laser aligner works more than the time limit, MCU module closes laser aligner.
Laser aligner presets work timing and is generally 20-60 minutes.
(3) measurement temperature of infrared sensor 7 and SMBus digital temperature data are generated, and updates to temperature data and deposit
Device；Infrared sensor 7 detects a region of testee, and draws the average temperature value in the region, infrared sensor 7 and quilt
Survey object distance is nearer, and thermometric region is smaller；Infrared sensor 7 and testee distance are more remote, and thermometric region is bigger.This implementation
In example, the ratio of infrared sensor 7 and the distance D and thermometric regional diameter S of testee is：
D：S=11.2：1.
(4) MCU module 10 reads the temperature data register of infrared sensor 7, and the temperature to obtaining by I/O interface
Data are verified；MCU module 10 checks whether data make a mistake by CRC check algorithm, if verification is correct, carries out
In next step；If verification is unsuccessful, return to step (2).
(5) MCU module 10 will verify successful temperature data and be converted to the data signal of ASCII fromat, and pass through cable 8
Send detector 9 to.
Detector 9 is connected to 4 different infrared temperature detection instrument, detector by RS485 communication modules and cable 8
9 inside carry MCU module, and MCU module connection RS485 communication modules and the button and LED that are arranged on the housing of detector 9 show
Display screen, light-emitting diode display can reflect the Temperature numerical for each infrared temperature detection instrument detection that detector 9 is connected in real time.
Preferred embodiment of the present utility model is the foregoing is only, not limiting the utility model.It is all this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of infrared temperature detection instrument, including housing and support, and the infrared sensor being arranged in housing；Its feature
It is,
Enclosure interior is additionally provided with laser aligner, and laser aligner is cylinder with infrared sensor and be arranged in parallel；
Enclosure interior is additionally provided with MCU module, and MCU module connects infrared sensor and laser aligner respectively, and MCU module is to swashing
Optical registration device sets work timing, automatically turns on or/and close laser aligner.
2. infrared temperature detection instrument as claimed in claim 1, it is characterised in that MCU module passes through transistor switching circuit
Connect laser aligner.
3. infrared temperature detection instrument as claimed in claim 1, it is characterised in that MCU module is connected infrared by I/O interface
The SMBus interfaces of sensor.
4. infrared temperature detection instrument as claimed in claim 1, it is characterised in that MCU module is connected by UART interface
RS485 communication modules, RS485 communication module connection cables.
5. infrared temperature detection instrument as claimed in claim 1, it is characterised in that the upper and lower ends of the support are each provided with
One universal joint, at least one fastening fastening nail is provided with support.
6. infrared temperature detection instrument as claimed in claim 1, it is characterised in that housing uses aluminum or aluminum alloy material.
7. infrared temperature detection instrument as claimed in claim 1, it is characterised in that laser aligner work timing is 20-60
Minute.
8. infrared temperature detection instrument as claimed in claim 4, it is characterised in that cable uses two pairs of double shielded twisted pair electricity
Cable.
9. infrared temperature detection instrument as claimed in claim 5, it is characterised in that the universal joint on support is respectively by certain
The position location of position nut connection housing and infrared temperature detection instrument.
10. the infrared temperature detection instrument as described in claim 1-9 any one, it is characterised in that be additionally provided with housing
Indicator lamp, when infrared temperature detection instrument works, indicator lamp lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720793455.2U CN207019795U (en) | 2017-07-03 | 2017-07-03 | A kind of infrared temperature detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720793455.2U CN207019795U (en) | 2017-07-03 | 2017-07-03 | A kind of infrared temperature detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019795U true CN207019795U (en) | 2018-02-16 |
Family
ID=61483557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720793455.2U Expired - Fee Related CN207019795U (en) | 2017-07-03 | 2017-07-03 | A kind of infrared temperature detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735541A (en) * | 2020-06-19 | 2020-10-02 | 北京天骥空间科技有限公司 | Mobile body temperature monitoring robot |
-
2017
- 2017-07-03 CN CN201720793455.2U patent/CN207019795U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735541A (en) * | 2020-06-19 | 2020-10-02 | 北京天骥空间科技有限公司 | Mobile body temperature monitoring robot |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180216 Termination date: 20200703 |