CN201917400U - Infrared temperature measuring instrument - Google Patents

Abstract

The utility model relates to an infrared temperature measuring instrument, comprising a left shell, a right shell, a battery cover, a front panel, a display cover plate, press keys, a main program plate, a lens, a memory battery, 5-sized batteries, setting buttons and bolts, wherein the main program plate is located in the left and right shells and behind the display cover plate; the setting buttons are located on the display cover plate; the press keys and the battery cover are respectively connected with the left and right shells; the lens is located on the front panel. Temperature measurement can be provided fast, and within the time of using a thermocouple for reading a leakage connection point, the infrared temperature measuring instrument can be used for reading the temperature of nearly all the connection points. In addition, as the infrared temperature measuring instrument is firm and light and is easy to put in a leather sheath when the infrared temperature measuring instrument is not used, the infrared temperature measuring instrument can be carried in factory patrol and daily checking work.

Description

Infrared thermometer

Affiliated technical field

The utility model relates to a kind of temperature measurer, especially utilizes the temperature measurer of infrared technique.

Background technology

At present, the temperature measurer of known infrared technique has a lot.For example number of patent application is 91212229, name is called and discloses a kind of novel temperature measurer in the temperature measurer, electronics that the air ionizing event at high temperature of point of living in produces forms electric signal with conductive ion stream to utilize temperature measurer to pop one's head in, and outputs to the digital board displays temperature after amplification.This temperature measurer mainly is made of probe, input amplifier and digital display board.The circuit of input amplifier comprises that mainly the height that has feedback element that a field effect transistor and a plurality of triode are formed is put, the high stability amplifying circuit.This temperature measurer detection speed reaction is fast, shows reading in one second, and temperature-measuring range is wide 100 °～and 3000 ℃, the temperature measurement accuracy height, error is ± 0.5 ℃, can survey the temperature of arbitrfary point.Be suitable for industry such as metallurgy, chemical industry, hot-working, and the warehouse security personnel, civilian waterproof detects and reports to the police, and also can join microcomputer, printer use, is suitable for robotization Detection ﹠ Controling system.Temperature measurer mainly is made of probe, input amplifier and digital display board, the input amplifier is contained in the rectangular box case, digital display board is contained on the front panel of shell, two detection lines of probe are connected with the input amplifier input terminal by the binding post on the shell beside, the output terminal of input amplifier is connected to the input end of digital display board, it is characterized in that probe by anode visit chew, negative electrode is visited and is chewed, sleeve pipe, handle detection line constitute.Anode is visited to chew with the negative electrode spy and is chewed an end that is fixed on sleeve pipe insulated from each other, it stretches out the outer part certain clearance distance separated from one another of sleeve pipe, the other end of sleeve pipe is fixed on handle, two detection lines that thoroughly do away with edge pass along axis from sleeve pipe and handle inside, visit to chew to visit to chew with negative electrode with anode respectively and be connected, the other end of two detection lines is as the signal output part of probe; The circuit of input amplifier is mainly formed the height that has feedback element by a field effect transistor and m triode and is put, and high stability multistage amplifier circuit, m are the positive integer greater than 5.Application number is 95217162, and name is called and discloses a kind of temperature measuring equipment that a plurality of temperature measuring heads are arranged in the multi-functional temperature measurer, and this device is a kind of temperature measurer of improved scalable range.The feature of this temperature measurer is that a plurality of temperature measuring heads are arranged, but can be respectively insert bridge diagram synchronously with the resistance of corresponding minute adjustment, in the temperature range that this temperature measuring head is suitable for, the scalable range, can select for use suitable range to measure different points for measuring temperature respectively, the temperature in the different temperatures scope.A kind of device that has a plurality of semiconductor temperature measuring heads can measure different points for measuring temperature temperature in the different temperatures scope respectively, but the feature of this device is to adopt the resistance (1,2 of minute adjustment in proper resistor value scope, 3 ...) with fixed resistance (4,5 with proper resistor value, 6 ...) series connection, with corresponding semiconductor temperature measuring head (14,15,16 ...) as symmetrical arm resistance, but adopted the resistance (9 of minute adjustment in proper resistor value scope again, 10,11 ...) be connected with power supply, also adopted 3 * N switch (18), can be with semiconductor temperature measuring head (14,15,16,) respectively with corresponding resistance (1,2,3, 4,5,6, 9,10,11 ...) synchronous place in circuit, can minute adjustment because of arm resistance and the resistance that is connected with power supply accordingly, the measuring range adjustable of this temperature measuring equipment is saved.Application number is 01233196, and name is called and discloses a kind of novel optical fiber infrared thermometer in a kind of novel optical fiber infrared thermometer, is a kind of infrared thermometer, is applicable to industrial thermometrics such as vacuum drying oven, single crystal growing furnace.By optic probe: comprise camera lens, press female, lens barrel; Transmission Fibers; Electronic switch module: comprise infrared sensor and electronic processing circuit, infrared sensor comprises: optical filter, sensitive detection parts, its extension line is connected with the first order amplifier input end of logarithmic amplifier, emitter from triode after the signal Processing is exported, be defeated by the user through cable splice, electronic processing circuit comprises that logarithm amplifies, temperature compensation, emissivity is adjusted, zero, full scale is adjusted, circuit such as linear process and signal-transmitting cable are formed and be it is characterized in that: Transmission Fibers is divided into two bundles after interface comes out: measuring optical fiber bundle and aiming fibre bundle, the coated one deck in latter outside is moulded and is applied cover and link to each other with intense light source, and is provided with and controls intense light source and open, the switch that closes.Have and to aim in real time, improved the precision of infrared thermometer and serviceable life, advantage such as simple in structure, easy to use.This optical fiber infrared thermometer is by optic probe: comprise camera lens, press female, lens barrel; Transmission Fibers; Electronic switch module: comprise infrared sensor and electronic processing circuit, infrared sensor comprises: optical filter, sensitive detection parts, its extension line is connected with the input end of logarithm amplifying circuit first order operational amplifier, output after the signal Processing is from the emitter of output circuit triode, export through cable splice, electronic processing circuit comprises: logarithm amplifies, temperature compensation, emissivity is adjusted, zero degree and full scale adjustment, circuit such as linear process, and signal-transmitting cable is formed, it is characterized in that, Transmission Fibers is divided into two bundles after interface comes out, a branch of is measuring beam, the aiming fibre bundle that the optical fiber of telling in another Shu Weicong fibre bundle more than is integrated, coated the moulding in its outside applied cover, the back is stifled to be threaded with the intense light source cover, the front end face of intense light source cover and the lower inclined plane of body are closely connected, the rear portion of cover and the anterior cylindrical of intense light source are threaded, coated have mould the aiming fibre bundle that applies cover and pass that the back is stifled to link to each other with intense light source, the power lead of intense light source connects the switch at user place, with the Transmission Fibers of front, the optic probe combination realizes aiming.In the present disclosed technology about infrared multimetering seldom, and complex structure, complicated operation.

Summary of the invention

In order to overcome existing infrared thermometer complex structure, the deficiency of inconvenient operation, this use is novel to disclose a kind of convenient infrared thermometer can provide temperature survey fast, is reading with thermocouple in the time of a seepage tie point, almost can read the temperature of all tie points with infrared thermometer.In addition because infrared thermometer is solid, light and handy, and not the time spent be easy to be placed in the leather sheath, make an inspection tour and routine check portability all when working in factory.

The technical scheme that its technical matters that solves the utility model adopts is: infrared thermometer partly is made up of optical system, photodetector, signal amplifier and signal Processing, demonstration output etc.Comprise left shell, right shell body, battery cover, front panel, demonstration cover plate, button, master routine plate, camera lens, memory battery, No. 5 batteries, button, screw are set.The master routine plate is arranged in left and right sides housing, behind the demonstration cover plate, button is set is positioned on the demonstration cover plate, and button is connected left and right sides housing respectively with battery cover, and camera lens is positioned on the front panel.Optical system converges the target infrared energy in its visual field, and the size of visual field is determined by the optical element and the position thereof of temperature measurer.Infrared energy focuses on the photodetector and changes corresponding electric signal into.This signal process amplifier and signal processing circuit, and according to the temperature value that changes measured target after algorithm for the treatment of in the instrument and the correction of target emissivity into.The parameter of infrared thermometer is measured temperature range-30～760 ℃, 0～50 ℃ of environment for use temperature, reaction time 0.5～1sec, renewal frequency 1.4HZ, wavelength 8um-14um, probe measurement temperature-64～1400 ℃.

The beneficial effects of the utility model are, the common precision of infrared thermometer all is in 1 degree, this performance particular importance when doing preventive maintenance, as when monitoring abominable working condition and will cause the special incident of device damage or shutdown.Use infrared thermometer, but the subtle change of you even quick detection operating temperature in its rudiment, just problem can be solved, reduce the spending that causes because of equipment failure and the scope of maintenance.Infrared thermometer can read the inaccessible target temperature that maybe can not arrive safely, can read target temperature in the scope that instrument allows.Contact-free measurement of temperature also can carry out in the zone of difficulty at unsafe or contact thermography, and accurately measurement is easy as measuring on hand.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the vertical view of infrared thermometer.

Fig. 2 is the upward view of infrared thermometer.

Fig. 3 is the left view of infrared thermometer.

1. left shells among the figure, 2. right shell body, 3. battery cover, 4. front panel 5. shows cover plate, 6. button, 7. master routine plate, 8. camera lens, 9. memory battery, No. 10.5 batteries, 11. are provided with button, 12. screws.

Embodiment

Single hand-held can the use of infrared thermometer, temperature less than the environment of 50 degree in after the start, the object that aligning will be measured, preferably the distance between testee and the temperature measurer remains on about 10 centimetres.Pin the function button (6) on the temperature measurer, and guarantee to keep between temperature measurer and the testee vertical, stablize release function button (6), read measurement result from display screen.

Claims (2)

1. infrared thermometer, by left shell, right shell body, battery cover, front panel, demonstration cover plate, button, master routine plate, camera lens, memory battery, No. 5 batteries, button is set, screw is formed, it is characterized in that: the master routine plate is arranged in left and right sides housing, after showing cover plate, button is set to be positioned on the demonstration cover plate, button is connected left and right sides housing respectively with battery cover, and camera lens is positioned on the front panel.

2. infrared thermometer according to claim 1 is characterized in that: infrared energy focuses on the photodetector and changes corresponding electric signal into, and this signal changes the temperature value of measured target into through amplifier and signal processing circuit.

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