CN217465992U - Cable temperature measuring instrument - Google Patents
Cable temperature measuring instrument Download PDFInfo
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- CN217465992U CN217465992U CN202220379269.5U CN202220379269U CN217465992U CN 217465992 U CN217465992 U CN 217465992U CN 202220379269 U CN202220379269 U CN 202220379269U CN 217465992 U CN217465992 U CN 217465992U
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Abstract
The utility model discloses a cable temperature measuring instrument, which relates to the temperature measuring field and comprises a reference source, a central controller, a data analysis module and a temperature measuring component, wherein the temperature measuring component is used for measuring the temperature of the reference source and the temperature of a cable to be measured; the reference source is arranged in the same environment, and after the temperature of the reference source and the temperature of the cable to be measured are measured at the moment, the temperature of the cable to be measured is compensated through the temperature of the reference source, so that a correct measurement value can be obtained, and the difficulty of the temperature measurement component in measuring the temperature of the metal circuit is effectively reduced.
Description
Technical Field
The utility model relates to a temperature measurement field especially relates to a cable temperature measuring instrument.
Background
In nature, any object above absolute zero (-273 ℃) constantly releases infrared radiation energy outwards, and the optical system of an infrared thermometer can collect the radiation energy to measure the temperature. However, since the emissivity of the metal wire is low (the reflection is high), the infrared system obtains low radiation energy, and infrared temperature measurement is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cable temperature measuring instrument has just been designed in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the cable temperature measuring instrument comprises a reference source, a central controller, a data analysis module and a temperature measuring component, wherein the temperature measuring component is used for measuring the temperature of the reference source and the temperature of a cable to be measured, the reference source and the cable to be measured are located in the same environment, the data analysis module is used for calculating the difference value between the temperatures of the cable to be measured according to the temperature of the reference source, the data signal output end of the temperature measuring component is connected with the data signal input ends of the data analysis module and the central controller respectively, the data signal output end of the data analysis module is connected with the data signal input end of the central controller, and the control signal output end of the central controller is connected with the control signal input end of the temperature measuring component.
The beneficial effects of the utility model reside in that: the reference source is arranged in the same environment, and after the temperature of the reference source and the temperature of the cable to be measured are measured at the moment, the temperature of the cable to be measured is compensated through the temperature of the reference source, so that a correct measurement value can be obtained, and the difficulty of the temperature measurement component in measuring the temperature of the metal circuit is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of the cable temperature measuring instrument of the present invention;
FIG. 2 is a schematic diagram of the cable temperature measuring device of the present invention measuring the temperature of the cable to be measured;
fig. 3 is a schematic view 1 of the cable temperature measuring instrument of the present invention;
fig. 4 is a schematic view 2 of the cable temperature measuring instrument of the present invention;
wherein corresponding reference numerals are:
the method comprises the following steps of 1-a cable to be tested, 2-a plane mirror, 3-a rotating piece, 4-window glass, 5-a laser emitter, 6-an air compressor, 7-an air nozzle, 8-a wire passing frame, 9-a reference source, 10-a first infrared emitter and 11-a second infrared emitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the cable temperature measuring instrument includes a reference source 9, a central controller, a data analysis module and a temperature measurement component, the temperature measurement component is used for measuring the temperature of the reference source 9 and the temperature of the cable 1 to be measured, the reference source 9 and the cable 1 to be measured are located in the same environment, the data analysis module is used for calculating the difference between the temperatures of the cable 1 to be measured according to the temperature of the reference source 9, the data signal output end of the temperature measurement component is connected with the data signal input ends of the data analysis module and the central controller respectively, the data signal output end of the data analysis module is connected with the data signal input end of the central controller, and the control signal output end of the central controller is connected with the control signal input end of the temperature measurement component.
The temperature measuring component comprises a first infrared thermometer, a first infrared emitter 10, a plane mirror 2 and a rotating part 3, wherein the plane mirror 2 is used for reflecting infrared rays emitted by the first infrared emitter 10 to a reference source 9 or a cable 1 to be measured, a detection end of the first infrared thermometer is used for receiving the infrared rays reflected by the reference source 9 or the cable 1 to be measured, the rotating part 3 is used for driving the plane mirror 2 to rotate, a control signal output end of a central controller is connected with control signal input ends of the rotating part 3 and the first infrared emitter 10, a data signal output end of the first infrared thermometer is respectively connected with a data analysis module and a data signal input end of the central controller, when the temperature of the reference source 9 is measured, the rotating part 3 drives the plane mirror 2 to rotate to reflect the infrared rays to the reference source 9, and a detection end of the first infrared thermometer receives the infrared rays reflected by the reference source 9; when the temperature of the cable 1 to be measured is measured, the rotating part 3 drives the plane mirror 2 to rotate and reflect infrared rays to the cable 1 to be measured, the detection end of the first infrared thermometer receives the infrared rays reflected by the cable 1 to be measured, and the rotating part 3 is a rotating motor.
When temperature detection is carried out, the central controller controls the rotating motor to rotate the position of the reflecting surface of the plane mirror 2, so that infrared rays emitted by the first infrared emitter 10 are alternately reflected to the reference source 9 and the cable 1 to be detected, the detection end of the first infrared thermometer receives the infrared rays reflected by the reference source 9 or the cable 1 to be detected and transmits detected signals to the central controller and the data analysis module, and the data analysis module analyzes the difference value between the temperature of the reference source 9 and the temperature of the cable 1 to be detected so as to compensate the temperature measurement of the cable 1 to be detected, correct measurement values can be obtained, and the difficulty of the temperature measurement component in measuring the temperature of the metal circuit is effectively reduced.
The cable temperature measuring instrument comprises an instrument body and a wire passing frame 8, a reference source 9 and a temperature measuring component are installed inside a base body, window glass 4 used for reflecting infrared light to a cable 1 to be measured through a plane mirror 2 is arranged on the instrument body, a wire passing hole is formed in the wire passing frame 8, and the cable 1 to be measured penetrates through the wire passing hole to be located at the window glass 4 during temperature measurement.
The cable temperature measuring instrument further comprises a detection piece and a cleaning piece, wherein the detection piece is used for detecting whether the window glass 4 is dirty or not, the cleaning piece is used for cleaning the dirt on the window glass 4, the control signal output end of the central controller is connected with the control signal input end of the cleaning piece, and the signal end of the detection piece is connected with the signal end of the central controller.
The detection piece comprises a laser transmitter 5 and a laser receiver, the laser transmitter 5 is used for transmitting laser to the window glass 4, the laser receiver is used for receiving the laser reflected by the window glass 4, the control signal output end of the central controller is connected with the control signal input end of the laser transmitter 5, and the data signal output end of the laser receiver is connected with the data signal input end of the central controller.
The cleaning piece comprises an air faucet 7 and an air compressor 6, a high-pressure air outlet of the air compressor 6 is communicated with an air inlet of the air faucet 7, and an air outlet of the air faucet 7 faces the window glass 4.
A filter screen for filtering impurities in the high-pressure air is arranged at the high-pressure air outlet of the air compressor 6.
When detecting whether the window glass 4 is dirty or not, the laser emitter 5 emits laser to the window glass 4, the laser is reflected by the window glass 4 and is received by the laser receiver, the central controller receives a signal of the laser receiver and judges the signal, when the energy of the reflected laser is increased, the window glass 4 is dirty, the central controller controls the air compressor 6 to be started, high-pressure gas is sprayed out through the air nozzle 7 to blow and clean the window glass 4, the window glass 4 is known to be clean, and the influence on temperature measurement caused by the dirty of the window glass 4 is effectively avoided; a filter screen is arranged at a high-pressure air outlet of the air compressor 6, so that impurities in air can be filtered, and the air jetted from the air nozzle 7 is free of impurities.
As shown in fig. 4, the temperature measuring assembly includes two second infrared thermometers and two second infrared emitters 11, the two second infrared emitters 11 respectively emit infrared rays to the reference source 9 and the cable 1 to be measured, detection ends of the two second infrared thermometers are respectively used for receiving infrared rays reflected by the reference source 9 and the cable 1 to be measured, data signal output ends of the second infrared thermometers are respectively connected with data signal input ends of the data analysis module and the central controller, and a control signal output end of the central controller is connected with a control signal input end of the second infrared emitter 11.
The two second red line transmitters respectively transmit infrared rays to the reference source 9 and the cable 1 to be measured, the detection ends of the two second infrared thermometers respectively receive the infrared rays reflected by the reference source 9 and the cable 1 to be measured, signals detected by the two second infrared thermometers are transmitted to the data analysis module and the central controller, and the data analysis module analyzes the difference value between the temperature of the reference source 9 and the temperature of the cable 1 to be measured so as to compensate the temperature measurement of the cable 1 to be measured, so that correct measurement values can be obtained, and the difficulty of the temperature measurement component in measuring the temperature of the metal circuit is effectively reduced; by adopting the two second red line emitters and the two second infrared thermometers, the reference source 9 and the cable 1 to be detected can be detected simultaneously, and the influence of the detection time difference on the detection result is further avoided.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (9)
1. The cable temperature measuring instrument is characterized by comprising a reference source, a central controller, a data analysis module and a temperature measuring component, wherein the temperature measuring component is used for measuring the temperature of the reference source and the temperature of a cable to be measured, the reference source and the cable to be measured are positioned in the same environment, the data analysis module is used for calculating the difference value between the temperatures of the cable to be measured according to the temperature of the reference source, the data signal output end of the temperature measuring component is respectively connected with the data signal input ends of the data analysis module and the central controller, the data signal output end of the data analysis module is connected with the data signal input end of the central controller, and the control signal output end of the central controller is connected with the control signal input end of the temperature measuring component.
2. The cable temperature measuring instrument according to claim 1, wherein the temperature measuring assembly comprises a first infrared thermometer, a first infrared emitter, a plane mirror and a rotating member, the plane mirror is used for reflecting the infrared rays emitted by the first infrared emitter to the reference source or the cable to be measured, the detecting end of the first infrared thermometer is used for receiving the infrared rays reflected by the reference source or the cable to be measured, the rotating member is used for driving the plane mirror to rotate, the control signal output end of the central controller is connected with the control signal input ends of the rotating member and the first infrared emitter, the data signal output end of the first infrared thermometer is respectively connected with the data signal input ends of the data analysis module and the central controller, when the temperature of the reference source is measured, the rotating part drives the plane mirror to rotate to reflect infrared rays to the reference source, and the detection end of the first infrared thermometer receives the infrared rays reflected by the reference source; when the temperature of the cable to be measured is measured, the rotating piece drives the plane mirror to rotate to reflect infrared rays to the cable to be measured, and the detection end of the first infrared thermometer receives the infrared rays reflected by the cable to be measured.
3. The cable temperature gauge of claim 2, wherein the rotating member is a rotating motor.
4. The cable temperature measuring instrument according to claim 1, wherein the cable temperature measuring instrument comprises a body and a wire passing frame, the reference source and the temperature measuring component are arranged inside the base body, a window glass for reflecting infrared light to the cable to be measured through the plane mirror is arranged on the body, a wire passing hole is arranged on the wire passing frame, and the cable to be measured passes through the wire passing hole and is positioned at the window glass during temperature measurement.
5. The cable temperature measuring instrument according to claim 4, wherein the cable temperature measuring instrument further comprises a detecting member for detecting whether the window glass has dirt, and a cleaning member for cleaning the dirt on the window glass, wherein the control signal output terminal of the central controller is connected to the control signal input terminal of the cleaning member, and the signal terminal of the detecting member is connected to the signal terminal of the central controller.
6. The cable temperature measuring instrument according to claim 5, wherein the detecting member includes a laser transmitter for transmitting laser light to the window glass and a laser receiver for receiving the laser light reflected by the window glass, a control signal output terminal of the central controller is connected to a control signal input terminal of the laser transmitter, and a data signal output terminal of the laser receiver is connected to a data signal input terminal of the central controller.
7. The cable temperature measuring instrument of claim 5, wherein the cleaning member includes a nozzle and an air compressor, a high pressure air outlet of the air compressor is communicated with an air inlet of the nozzle, and an air outlet of the nozzle faces the window glass.
8. The cable temperature measuring instrument according to claim 7, wherein a filter screen for filtering impurities in the high pressure air is provided at the high pressure air outlet of the air compressor.
9. The cable temperature measuring instrument according to claim 1, wherein the temperature measuring assembly comprises two second infrared thermometers and two second infrared emitters, the two second infrared emitters respectively emit infrared rays to the reference source and the cable to be measured, detection ends of the two second infrared thermometers are respectively used for receiving the infrared rays reflected by the reference source and the cable to be measured, data signal output ends of the second infrared thermometers are respectively connected with the data signal input ends of the data analysis module and the central controller, and a control signal output end of the central controller is connected with a control signal input end of the second infrared emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220379269.5U CN217465992U (en) | 2022-02-24 | 2022-02-24 | Cable temperature measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220379269.5U CN217465992U (en) | 2022-02-24 | 2022-02-24 | Cable temperature measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217465992U true CN217465992U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220379269.5U Active CN217465992U (en) | 2022-02-24 | 2022-02-24 | Cable temperature measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217465992U (en) |
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2022
- 2022-02-24 CN CN202220379269.5U patent/CN217465992U/en active Active
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