CN214845444U - Electromagnetic detection universal meter - Google Patents
Electromagnetic detection universal meter Download PDFInfo
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- CN214845444U CN214845444U CN202121233901.7U CN202121233901U CN214845444U CN 214845444 U CN214845444 U CN 214845444U CN 202121233901 U CN202121233901 U CN 202121233901U CN 214845444 U CN214845444 U CN 214845444U
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- control circuit
- circuit board
- detection module
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- magnetic field
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Abstract
The utility model is suitable for the field of electric power auxiliary appliances, and provides an electromagnetic detection universal meter, which comprises a shell, a master control circuit board, a universal pen detection module and a magnetic field detection module, wherein the master control circuit board is arranged in the shell; the universal pen detection module comprises an external connecting piece electrically connected with the main control circuit board and a meter pen detachably connected with the external connecting piece; the magnetic field detection module is arranged in the shell and comprises an inductance coil electrically connected with the main control circuit board, and the inductance coil is used for magnetic field signals. Through combining general purpose pen detection module and magnetic field detection module, can measure the electromagnetic field radiant quantity of the object that awaits measuring and show through display module through magnetic field detection module when using, insert in the external connecting piece of installing on the casing through external pen-shape metre, measure the resistance isoparametric of the object that awaits measuring.
Description
Technical Field
The utility model belongs to electric power appurtenance field especially relates to electromagnetic detection universal meter.
Background
Electromagnetic waves (also called electromagnetic radiation) are generated by electric fields and magnetic fields which oscillate in phase and are perpendicular to each other moving in space in the form of waves, and the propagation direction of the waves is perpendicular to the plane formed by the electric fields and the magnetic fields, so that energy and momentum are effectively transferred. Electromagnetic radiation can be classified by frequency, from low to high frequencies, including radio waves, microwaves, infrared, visible light, ultraviolet light, X-rays, gamma rays, and the like. The human eye receives electromagnetic radiation having a wavelength of about 380 to 780 nanometers, referred to as visible light. Any object with a temperature higher than absolute zero can emit electromagnetic radiation, and the body health of people can be affected when the object is in strong electromagnetic radiation for a long time.
At present, the universal meter is an important measuring instrument in the electrical and electrical field, is also an important tool in teaching and scientific research, and is widely applied to measuring the quality condition of components and circuit parameter state.
At present, multimeters on the market only have the measurement functions of voltage measurement, resistance measurement, on-off sound detection and the like, but most of the multimeters perform measurement through a meter pen and feed back data.
However, when facing the operation of a power plant, a large number of complex circuit lines are overhauled, and household electromagnetic radiation signals are detected, the working efficiency is greatly restricted by using a detection operation mode of a common multimeter, the test pencil is required for assisting the operation, the electromagnetic field detection function is not provided, and the recorded information is not comprehensive. The special electromagnetic field detection equipment detects the magnetic field existing around the user, the recording and processing of required information such as the strength, voltage, resistance and the like of all electromagnetic signals cannot be completed only by the electromagnetic field detection equipment in the patrol process, instruments are continuously replaced, the working time cost and the instrument purchase cost are high, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at providing the electromagnetic detection universal meter, the in-process that aims at solving traditional circuit line and overhauls needs more different instrument to measure its electromagnetic field and resistance isoparametric to reduce work efficiency's problem.
The embodiment of the utility model provides a realize like this, an electromagnetic detection universal meter, the universal meter includes:
a housing;
the main control circuit board is arranged in the shell;
the universal pen detection module comprises an external connecting piece electrically connected with the main control circuit board and a meter pen detachably connected with the external connecting piece; and
the magnetic field detection module is arranged in the shell and comprises an inductance coil electrically connected with the main control circuit board, and the inductance coil is used for magnetic field signals.
Preferably, the device further comprises a display module electrically connected with the main control circuit board and used for displaying the working conditions of the universal pen detection module and the magnetic field detection module.
Preferably, the magnetic field detection module further comprises:
the induction copper sheet is arranged in the shell and electrically connected with the main control circuit board, and is used for receiving an electric field signal; and
and the buzzer is electrically connected with the main control circuit board and used for feeding back the detected conditions of the induction copper sheet and the induction coil through sound.
Preferably, the magnetic field detection module further comprises a patch lamp electrically connected with the main control circuit board, and the patch lamp is used for feeding back the detected conditions of the induction copper sheet and the induction coil through light.
Preferably, the housing comprises:
a face shell; and
the lower shell is of a cavity structure, is detachably connected with the face shell with the closed cavity at the end part of the cavity and is used for protecting the main control circuit board and the magnetic field detection module.
Preferably, the display module includes:
the liquid crystal sheet is electrically connected with the main control circuit board and used for displaying the states of the universal pen detection module and the magnetic field detection module, and the display surface of the liquid crystal sheet is arranged right opposite to the transparent surface of the panel shell; and
the liquid crystal safety cover is provided with a limiting groove for liquid crystal plates and is detachably connected with the liquid crystal safety cover for the next class.
Preferably, the method further comprises the following steps:
the adjusting key is electrically connected with the main control circuit board and used for adjusting the working states of the universal pen detection module and the magnetic field detection module; and
the switch key is electrically connected with the main control circuit board and used for adjusting the switch electrically connected with the main control circuit board.
The embodiment of the utility model provides an electromagnetic detection universal meter is through combining general purpose pen detection module and magnetic field detection module, can measure the electromagnetic field radiant quantity of the object of awaiting measuring and show through display module through the magnetic field detection module when using, inserts in installing the external connecting piece on the casing through external pen-shape metre, measures the resistance isoparametric of the object of awaiting measuring. The problem of need more different instruments to measure its electromagnetic field and resistance isoparametric at the in-process of traditional circuit line maintenance to reduce work efficiency is solved.
Drawings
Fig. 1 is a three-dimensional structure diagram of an electromagnetic detection multimeter provided by an embodiment of the present invention;
FIG. 2 is an exploded view of an electromagnetic detection multimeter according to an embodiment of the present invention;
fig. 3 is a three-dimensional structure diagram of the main control circuit board provided by the embodiment of the present invention;
fig. 4 is a front view of an electromagnetic detection multimeter provided by an embodiment of the present invention.
In the drawings: the charging device comprises a shell 1, a battery 2, a main control circuit board 3, a charging indicator lamp 4, an external connecting piece 5, an adjusting button 6, a lower shell 8, a switch button 9, a liquid crystal sheet 10, a liquid crystal protective cover 11, a through groove 12, an induction copper sheet 13, a patch lamp 14 and an induction coil 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 2-4, a structure diagram of an electromagnetic detection multimeter provided in accordance with an embodiment of the present invention includes:
a housing;
the main control circuit board 3 is arranged in the shell;
the universal pen detection module comprises an external connecting piece 5 electrically connected with the main control circuit board 3 and a meter pen detachably connected with the external connecting piece 5; and
the magnetic field detection module is arranged in the shell and comprises an inductance coil 15 electrically connected with the main control circuit board 3, and the inductance coil 15 is used for magnetic field signals.
The utility model discloses an embodiment, still include the display module with main control circuit board 3 electric connection for show the operating condition of general purpose pen detection module and magnetic field detection module.
In an embodiment of the present invention, the present invention further includes:
the adjusting key 6 is electrically connected with the main control circuit board 3 and is used for adjusting the working states of the universal pen detection module and the magnetic field detection module; and
and the switch key 9 is electrically connected with the main control circuit board 3 and used for adjusting the switch electrically connected with the main control circuit board 3.
Preferably, the main control circuit board 3 is further provided with a through groove 12 for placing the battery 2, the battery 2 is electrically connected with the main control circuit board, and the battery 2 supplies power to all electric devices.
When the electromagnetic field radiation quantity measuring device is used, the electromagnetic field radiation quantity of an object to be measured is measured through the magnetic field detection module and is displayed through the display module, then the external meter pen is inserted into the external connecting piece 5 installed on the shell, and parameters such as resistance of the object to be measured are measured.
It should be noted that the external connection member 5 includes an O-tube, the O-tube is located at the tail of the integral casing, the O-tube is locked and fixed with the main control circuit board 3 by screws, the right side of the O-tube is an input column, the outer side of the input column is a socket, two tail jacks are transversely arranged on the tail socket, and a T9003 stylus is inserted into the tail socket, and a stylus probe detects an object to be detected, so that the functions of voltage frequency detection, resistance and capacitance measurement, on-off detection and live wire discrimination of the multimeter are realized.
As shown in fig. 2 to 3, as a preferred embodiment of the present invention, the magnetic field detection module further includes:
the induction copper sheet 13 is arranged in the shell and electrically connected with the main control circuit board 3, and the induction copper sheet 13 is used for receiving an electric field signal; and
and the buzzer is electrically connected with the main control circuit board 3 and used for feeding back the detected conditions of the induction copper sheet 13 and the induction coil 15 through sound.
In one aspect of this embodiment, the magnetic field detection module further includes a patch lamp 14 electrically connected to the main control circuit board 3, and the patch lamp 14 is configured to feed back light to the sensing copper sheets 13 and the sensing coil 15.
In another case of this embodiment, the sensing copper sheet 13 is located inside the whole casing, the sensing copper sheet 13 is embedded into the main control circuit board 3, and the welding pins are fixed in the top end area inside the casing, the sensing copper sheet 13 is used for receiving electric field signals to form a casing top hidden electric field detection module, the inductance coil 15 is located behind the sensing copper sheet 13 and is connected with the main control circuit board 3 through the welding pins on two sides, the inductance coil 15 is used for receiving magnetic field signals to form a casing top hidden magnetic field detection module, the casing top is aligned to an object to be detected, and the buzzer and the patch lamp 14 make sound and light alarm according to the electromagnetic field radiation intensity of the object to be detected, so as to jointly realize the electromagnetic field radiation detection function of the multimeter.
In this embodiment, the paster lamp 14 is the LED paster lamp, the LED paster lamp pastes in the top back of main control circuit board 3, its the LED paster lamp outside is the lower part casing, has the paster lamp through-hole on, and its outside is the lamp shade, realizes its lighting module function.
As shown in fig. 1 to 2 and 4, as a preferred embodiment of the present invention, the housing includes:
a face shell 1; and
the lower shell 8 is of a cavity structure, is detachably connected with the face shell 1 with the closed cavity at the end part of the cavity and is used for protecting the main control circuit board 3 and the magnetic field detection module.
As a preferred embodiment of the present invention, the display module includes:
the liquid crystal sheet 10 is electrically connected with the main control circuit board 3 and used for displaying the states of the universal pen detection module and the magnetic field detection module, and the display surface of the liquid crystal sheet 10 is arranged right opposite to the transparent surface of the panel shell; and
and the liquid crystal protection cover 11 is provided with a limiting groove for the liquid crystal sheet 10, and the liquid crystal protection cover 11 is also detachably connected with the lower class 8.
In this embodiment, face- piece 1 and 8 of giving lessons are through the screw fixation, and 8 inboards of inferior valve are provided with the screw post, place the space for battery 2 between the screw post, set up the draw-in groove 12 that holds the battery on its main control circuit board 3, and the lithium cell is placed wherein. The front end of the front face of the main control circuit board 3 is used for placing a backlight plate, a liquid crystal sheet 10 is arranged above the backlight plate, a liquid crystal protective cover 11 is arranged above the liquid crystal sheet 10, an external machine shell is arranged on the outer side of the liquid crystal protective cover 11, and the liquid crystal display module is used for feeding back alternating voltage frequency detection data, resistance, capacitance detection data, on-off detection and electromagnetic field radiation intensity states.
Three adjusting keys 6 are arranged on the left side of the display screen, the first adjusting key is a function switching key, the second adjusting key is a capacitance detection function key, the third adjusting key is a flashlight control key, and the universal meter detection state is automatically determined by default when the display screen is started. The startup key 9 and the adjusting key 6 correspond to keys arranged on the multimeter main control circuit board 3 one by one. The multimeter main control circuit board comprises a key control circuit, a measurement switching circuit, a power circuit, a signal processing circuit and a lighting circuit.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An electromagnetic detection multimeter, the multimeter comprising:
a housing;
the main control circuit board is arranged in the shell;
the universal pen detection module comprises an external connecting piece electrically connected with the main control circuit board and a meter pen detachably connected with the external connecting piece; and
the magnetic field detection module is arranged in the shell and comprises an inductance coil electrically connected with the main control circuit board, and the inductance coil is used for magnetic field signals.
2. The electromagnetic detection multimeter of claim 1 further comprising a display module electrically connected to the master control circuit board for displaying the operating conditions of the universal pen detection module and the magnetic field detection module.
3. The electromagnetic detection multimeter of claim 1 or 2, wherein the magnetic field detection module further comprises:
the induction copper sheet is arranged in the shell and electrically connected with the main control circuit board, and is used for receiving an electric field signal; and
and the buzzer is electrically connected with the main control circuit board and used for feeding back the detected conditions of the induction copper sheet and the induction coil through sound.
4. The electromagnetic detection multimeter of claim 3, wherein the magnetic field detection module further comprises a patch lamp electrically connected to the master control circuit board, the patch lamp for providing a light feedback of the detected conditions of the induction copper sheet and the induction coil.
5. The electromagnetic detection multimeter of claim 2, wherein the case comprises:
a face shell; and
the lower shell is of a cavity structure, is detachably connected with the face shell with the closed cavity at the end part of the cavity and is used for protecting the main control circuit board and the magnetic field detection module.
6. The electromagnetic detection multimeter of claim 5, wherein the display module comprises:
the liquid crystal sheet is electrically connected with the main control circuit board and used for displaying the states of the universal pen detection module and the magnetic field detection module, and the display surface of the liquid crystal sheet is arranged right opposite to the transparent surface of the panel shell; and
the liquid crystal safety cover is provided with a limiting groove for liquid crystal plates and is detachably connected with the liquid crystal safety cover for the next class.
7. The electromagnetic detection multimeter of claim 1, further comprising:
the adjusting key is electrically connected with the main control circuit board and used for adjusting the working states of the universal pen detection module and the magnetic field detection module; and
the switch key is electrically connected with the main control circuit board and used for adjusting the switch electrically connected with the main control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121233901.7U CN214845444U (en) | 2021-06-03 | 2021-06-03 | Electromagnetic detection universal meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121233901.7U CN214845444U (en) | 2021-06-03 | 2021-06-03 | Electromagnetic detection universal meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214845444U true CN214845444U (en) | 2021-11-23 |
Family
ID=78800452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121233901.7U Active CN214845444U (en) | 2021-06-03 | 2021-06-03 | Electromagnetic detection universal meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214845444U (en) |
-
2021
- 2021-06-03 CN CN202121233901.7U patent/CN214845444U/en active Active
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