CN215833483U

CN215833483U - Full-screen intelligent universal meter

Info

Publication number: CN215833483U
Application number: CN202121777729.1U
Authority: CN
Inventors: 李发友; 杨晓峰
Original assignee: Dongguan Huabo Precision Measuring Instrument Technology Co ltd
Current assignee: Dongguan Huabo Precision Measuring Instrument Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-15
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to the technical field of electronic measurement, and provides a full-screen intelligent multimeter, which comprises: the device comprises a shell, a first fixing piece and a second fixing piece, wherein the shell is provided with an accommodating cavity which is provided with a first opening; the circuit board is arranged in the accommodating cavity; the input jacks are arranged on the side wall of the accommodating cavity and are various, and the input jacks are electrically connected with the circuit board; and the display screen is covered at the first opening, the display screen is electrically connected with the circuit board, a function gear display area, a measurement display area and an input end prompt area are arranged on the display screen, and the input end prompt area is used for displaying a prompt mark corresponding to the input state of the input jack. The utility model can prevent the user from inserting the input jack by mistake, ensure the normal operation of the subsequent measurement work, improve the measurement efficiency and avoid meter burning or other dangerous conditions.

Description

Full-screen intelligent universal meter

Technical Field

The utility model relates to the technical field of electronic measurement, in particular to a full-screen intelligent multimeter.

Background

A multimeter is a multifunctional meter for measuring direct current, direct voltage, alternating current, alternating voltage, resistance, audio level, and the like, and is widely used in many fields.

Multimeters are typically provided with a variety of input jacks through which external input values can be measured using the multimeter. Because the existing multimeter is not provided with an indicating device for the input jacks, users often insert wrong input jacks carelessly when using the multimeter, so that the subsequent measurement work cannot be normally carried out, the measurement efficiency is influenced, and even meter burning or other dangerous conditions can occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a full-screen intelligent multimeter which prompts input states of different input jacks, improves the measurement efficiency and avoids meter burning or other dangerous conditions.

The embodiment of the application provides a full-screen intelligent multimeter, include:

the device comprises a shell, a first fixing piece and a second fixing piece, wherein the shell is provided with an accommodating cavity which is provided with a first opening;

the circuit board is arranged in the accommodating cavity;

the input jacks are arranged on the side wall of the accommodating cavity and are provided with a plurality of types, and the input jacks are electrically connected with the circuit board; and

the display screen, the display screen lid is established first opening part, the display screen with circuit board electric connection, be provided with function gear display area, measurement display area and input suggestion region on the display screen, input suggestion region is used for showing and corresponds the suggestion sign of input jack input state.

In some embodiments, the prompt mark is one or more of a pen-shape symbol, an arrow mark, a line mark, a circle mark and a character mark.

In some embodiments, the display screen includes an LCD screen and a backlight source, the LCD screen is disposed at the first opening and connected to the housing, and the backlight source is located between the LCD screen and the circuit board.

In some embodiments, the display screen further comprises a protective lens, and the protective lens is covered on the side of the LCD screen facing away from the backlight source.

In some of these embodiments, the input jacks include a current jack, a common jack, and a voltage jack.

In some embodiments, the shell is provided with a function key, the function key is electrically connected with the circuit board, and the function key is used for adjusting the measurement function of the full-screen intelligent multimeter.

In some embodiments, a battery cavity is further disposed on the housing, the battery cavity is provided with a second opening, a battery is disposed in the battery cavity, the battery is electrically connected to the circuit board, a fixing cover is detachably disposed on the second opening, and the fixing cover fixes the battery in the battery cavity.

In some embodiments, two opposite side walls of the battery cavity are provided with clamping blocks, and the fixing cover is provided with clamping grooves for clamping the clamping blocks.

In some embodiments, the housing is provided with a switch button and a lighting lamp, and the switch button and the lighting lamp are both electrically connected with the circuit board.

In some embodiments, an NCV sensor is further disposed on the housing, the NCV sensor is electrically connected to the circuit board, and an NCV analog display area corresponding to the NCV sensor is further disposed on the display screen.

The full-screen intelligent multimeter provided by the embodiment of the utility model has the beneficial effects that: through the suggestion sign that shows corresponding input jack input state on the display screen, can insert the user through the suggestion sign and indicate when the user inserts the input jack, prevent that the user from inserting wrong input jack, guarantee follow-up measurement work's normal clear, improve measurement of efficiency, also can avoid appearing fever table or other dangerous condition.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a full screen intelligent multimeter in one embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded view of the full screen intelligent multimeter of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of an exploded view of the full-screen intelligent multimeter of FIG. 1 from another angle;

FIG. 4 is a schematic view of a display interface of a display screen according to a first embodiment of the present invention;

FIG. 5 is a schematic view of a display interface of a display screen according to a second embodiment of the present invention;

fig. 6 is a schematic view of a display interface of a display screen according to a third embodiment of the present invention.

The designations in the figures mean:

10. a housing; 11. an upper housing; 12. a lower housing; 13. an accommodating chamber; 14. a first opening; 15. function keys; 16. a battery cavity; 161. a clamping block; 17. a second opening; 18. switching a key; 19. an illuminating lamp; 20. a circuit board; 30. an input jack; 31. a current jack; 32. a common port jack; 33. a voltage jack; 40. a display screen; 41. a functional gear display area; 42. measuring the display area; 43. inputting a prompt area; 44. an NCV analog display area; 45. an LCD screen; 46. a backlight source; 50. protecting the lens; 60. a battery; 70. a fixed cover; 71. a card slot; 80. an NCV sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In order to explain the technical solution of the present invention, the following description is made with reference to the specific drawings and examples.

Referring to fig. 1, fig. 2 and fig. 4, an embodiment of the present application provides a full-screen intelligent multimeter, which includes a case 10, a circuit board 20, an input jack 30 and a display screen 40.

The housing 10 is provided with a containing cavity 13, the containing cavity 13 is provided with a first opening 14, and the housing 10 can be made of a plastic material through a molding process.

Optionally, the casing 10 includes detachable upper casing 11 and lower casing 12, forms between upper casing 11 and the lower casing 12 and holds the chamber 13, and first opening 14 sets up on upper casing 11, connects through joint or other modes between upper casing 11 and the lower casing 12, and casing 10 includes detachable upper casing 11 and lower casing 12, can conveniently open casing 10 when installing other spare parts between upper casing 11 and the lower casing 12, and the packaging efficiency is high.

Circuit board 20 sets up in holding chamber 13 for provide control function for whole full-screen intelligent multimeter, circuit board 20 can directly be fixed by the card in holding chamber 13, also can fix in holding chamber 13 through screw, glue or other modes.

The input jacks 30 are disposed on the side wall of the accommodating cavity 13 and are of various types, and the input jacks 30 are all electrically connected with the circuit board 20 and are used for being connected with external input lines and providing input signals for the circuit board 20.

The display screen 40 covers the first opening 14, the display screen 40 is electrically connected to the circuit board 20 and is used for providing a display function under the control of the circuit board 20, and the display screen 40 is provided with a function gear display area 41, a measurement display area 42 and an input end prompt area 43.

The function gear display area 41 is used for displaying a function gear identifier of a function gear of the full-screen intelligent multimeter, the measurement display area 42 is used for displaying a measurement display identifier of the full-screen intelligent multimeter, and the input end prompt area 43 is used for displaying a prompt identifier corresponding to an input state of the input jack 30.

The prompt mark is arranged corresponding to the input jack 30, and if the prompt mark is arranged corresponding to the input jack 30 one by one, the prompt mark and the corresponding input jack 30 are positioned on the same straight line and used for distinguishing different types of input jacks 30, when a user needs to insert a certain input plug into the input jack 30, the type of the input jack 30 can be judged in advance through the prompt mark, so that the input plug is inserted into the correct input jack 30, and the wrong insertion of the input jack 30 is avoided.

According to the full-screen intelligent multimeter provided by the embodiment of the utility model, the prompt identifier corresponding to the input state of the input jack 30 is displayed on the display screen 40, so that a user can be prompted by the prompt identifier when the user inserts the input jack 30, the user is prevented from inserting the input jack 30 by mistake, the normal operation of subsequent measurement work is ensured, the measurement efficiency is improved, and the phenomena of meter burning or other dangerous conditions can be avoided.

Referring to fig. 2, 4, 5 and 6, in some embodiments, the prompt mark is one or more of a pen-shape mark, an arrow mark, a line mark, a circle mark and a text mark.

As shown in fig. 4, in the first embodiment, the prompt identifiers are pen symbols and text identifiers.

As shown in fig. 5, in the second embodiment, the cue markers are arrow symbols and text markers.

As shown in fig. 6, in the third embodiment, the prompt mark is a line symbol and a text mark.

By adopting the scheme, the different types of input jacks 30 can be accurately distinguished, for example, when the full-screen intelligent multimeter is turned to a certain functional gear, the prompt identification corresponding to the input jack 30 needing to be inserted with the input plug can be flickered, displayed frequently or not displayed to remind a user to insert the input plug into the input jack 30, and the prompt identifications corresponding to other input jacks 30 are different in display state from the prompt identification corresponding to the input jack 30.

Referring to fig. 2, in some embodiments, the display panel 40 includes an LCD panel 45 and a backlight source 46, the LCD panel 45 is disposed at the first opening 14 and connected to the housing 10, and the backlight source 46 is disposed between the LCD panel 45 and the circuit board 20.

By adopting the scheme, the display screen 40 of the full-screen intelligent multimeter is simple in structure, convenient to assemble and low in cost.

Referring to fig. 1 and 2, in some embodiments, the display screen 40 further includes a protective lens 50, and the protective lens 50 covers a side of the LCD panel 45 facing away from the backlight 46.

Through adopting above-mentioned scheme, can use protection lens 50 to protect the inside LCD screen 45 of display screen 40, prevent that LCD screen 45 from being collided with by external article and taking place to damage in daily use, the in-process of storing or transporting.

Referring to fig. 2, in some embodiments, input jacks 30 include a current jack 31, a common jack 32, and a voltage jack 33.

By adopting the above scheme, the current to be measured or the voltage signal to be measured can be input through the input jack 30, so that the full-screen intelligent multimeter can detect the current to be measured or the voltage to be measured, and of course, other kinds of input jacks 30 can also be set.

Referring to fig. 2, in some embodiments, a function key 15 is disposed on the casing 10, the function key 15 is electrically connected to the circuit board 20, and the function key 15 is used to adjust a measurement function of the full-screen intelligent multimeter.

By adopting the scheme, the measurement function of the full-screen intelligent multimeter can be adjusted by using the function keys 15, so that different types of input signals are detected.

Referring to fig. 2 and 3, in some embodiments, a battery cavity 16 is further disposed on the housing 10, the battery cavity 16 and the accommodating cavity 13 are disposed on opposite sides of the housing 10, for example, when the battery cavity 16 is disposed on the bottom of the housing 10, the accommodating cavity 13 is disposed on the top of the housing 10, and the battery cavity 16 is disposed with a second opening 17.

The battery 60 is arranged in the battery cavity 16, the battery 60 is electrically connected with the circuit board 20 and used for providing energy, the fixing cover 70 is detachably arranged on the second opening 17, and the fixing cover 70 fixes the battery 60 in the battery cavity 16 and prevents the battery 60 from falling from the battery cavity 16.

Through adopting above-mentioned scheme, need not external power supply and can supplying power to full-screen intelligent multimeter, improved whole full-screen intelligent multimeter's portability, and detachably sets up fixed lid 70 on the second opening 17, conveniently opens fixed lid 70 and changes battery 60.

Referring to fig. 1, 2 and 3, in some embodiments, two opposite side walls of the battery cavity 16 are provided with a latch 161, and the fixing cover 70 is provided with a slot 71 engaged with the latch 161.

Through adopting above-mentioned scheme, in the draw-in groove 71 of block 161 block on the relative both sides wall of battery chamber 16 on fixed lid 70, improved the stability that fixed lid 70 and second opening 17 are connected, avoid the two to take place relative movement, lead to fixed lid 70 to drop from second opening 17, lead to battery 60 to expose or drop.

Referring to fig. 2 and 3, in some embodiments, the housing 10 is provided with a switch button 18 and an illumination lamp 19, and both the switch button 18 and the illumination lamp 19 are electrically connected to the circuit board 20.

Through adopting above-mentioned scheme, can use switch button 18 to open or close light 19, can provide the illumination function to the user when light is not enough, the use under the not enough environment of light such as the full-screen intelligent multimeter of being convenient for such as dark.

Referring to fig. 2 and 3 again, in some embodiments, the housing 10 is further provided with an NCV sensor 80, the NCV sensor 80 is electrically connected to the circuit board 20, and the display screen 40 is further provided with an NCV analog display area 44 corresponding to the NCV sensor.

By adopting the scheme, the full-screen intelligent multimeter has the NCV measuring function, and meanwhile, the detection result of the NCV sensor 80 can be displayed on the display screen 40.

Optionally, the NCV analog display area 44 is provided with analog bars for displaying the detection result of the NCV sensor 80, and the NCV analog display area 44 may display different numbers of analog bars when measuring different voltages.

Referring to fig. 1 to 6, an embodiment of the present application provides a full-screen intelligent multimeter, which includes a case 10, a circuit board 20, an input jack 30, a display screen 40, a battery 60, and an NCV sensor 80.

The housing 10 is provided with a containing cavity 13, the containing cavity 13 is provided with a first opening 14, the housing 10 is provided with a function key 15, a switch key 18 and an illuminating lamp 19, the housing 10 is further provided with a battery cavity 16, the battery cavity 16 is provided with a second opening 17, a battery 60 is arranged in the battery cavity 16 and used for providing electric energy, a fixing cover 70 is detachably arranged on the second opening 17, and the battery 60 is fixed in the battery cavity 16 by the fixing cover 70.

The circuit board 20 is arranged in the accommodating cavity 13, and the function key 15, the switch key 18, the illuminating lamp 19, the battery 60 and the NCV sensor are all electrically connected with the circuit board 20.

The input jacks 30 are arranged on the side wall of the accommodating cavity 13, the input jacks 30 comprise current jacks, common end jacks 32 and voltage jacks 33, and the input jacks 30 are electrically connected with the circuit board 20.

The display screen 40 includes an LCD screen 45, a backlight source 46 and a protective lens 50, the LCD screen 45 is covered at the first opening 14 and connected to the casing 10, the backlight source 46 is located between the LCD screen 45 and the circuit board 20, and the protective lens 50 is covered at a side of the LCD screen 45 away from the backlight source 46.

The circuit board 20 of the display screen 40 is electrically connected, the display screen 40 is provided with a function gear display area 41, a measurement display area 42, an input end prompt area 43 and an NCV simulation display area 44 corresponding to the NCV sensor 80, and the input end prompt area 43 is used for displaying prompt marks corresponding to the input state of the input jack 30.

According to the full-screen intelligent multimeter disclosed by the embodiment of the utility model, the prompt identifier corresponding to the input state of the input jack 30 is displayed on the display screen 40, so that the user can be prompted by the prompt identifier when the user inserts the input jack 30, the user is prevented from inserting the input jack 30 by mistake, the normal operation of subsequent measurement work is ensured, the measurement efficiency is improved, and the phenomena of meter burning or other dangerous conditions can be avoided.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. A full-screen intelligent multimeter, comprising:

the circuit board is arranged in the accommodating cavity;

2. The full screen intelligent multimeter of claim 1, wherein the prompt identification is one or more of a stylus symbol, an arrow symbol, a line symbol, a circle symbol, a text identification.

3. The full-screen intelligent multimeter of claim 1, wherein the display screen comprises an LCD screen and a backlight source, the LCD screen is covered at the first opening and connected to the case, and the backlight source is located between the LCD screen and the circuit board.

4. The full-screen intelligent multimeter of claim 3, wherein the display screen further comprises protective lenses, the protective lenses being covered on a side of the LCD screen facing away from the backlight.

5. The full screen intelligent multimeter of claim 1, wherein the input jacks comprise a current jack, a common jack, and a voltage jack.

6. The full-screen intelligent multimeter of claim 1, wherein a function key is arranged on the housing, the function key is electrically connected with the circuit board, and the function key is used for adjusting a measurement function of the full-screen intelligent multimeter.

7. The full-screen intelligent multimeter of claim 1, wherein the case is further provided with a battery cavity, the battery cavity is provided with a second opening, a battery is arranged in the battery cavity, the battery is electrically connected with the circuit board, the second opening is detachably provided with a fixing cover, and the fixing cover fixes the battery in the battery cavity.

8. The full-screen intelligent multimeter of claim 7, wherein two opposite side walls of the battery cavity are provided with a fixture block, and the fixing cover is provided with a clamping groove for clamping with the fixture block.

9. A full-screen intelligent multimeter as claimed in any one of claims 1 to 8, wherein a switch button and a lighting lamp are arranged on the casing, and both the switch button and the lighting lamp are electrically connected with the circuit board.

10. The full-screen intelligent multimeter of any one of claims 1-8, wherein an NCV sensor is further disposed on the case, the NCV sensor is electrically connected to the circuit board, and an NCV analog display area corresponding to the NCV sensor is further disposed on the display screen.