CN213181728U

CN213181728U - Rechargeable digital multimeter with infrared temperature measurement function

Info

Publication number: CN213181728U
Application number: CN202022223813.0U
Authority: CN
Inventors: 黄俊威
Original assignee: Shenzhen Chenzhou Technology Co ltd
Current assignee: Shenzhen Chenzhou Technology Co ltd
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-05-11
Anticipated expiration: 2030-10-08

Abstract

The utility model discloses a chargeable digital multimeter with infrared temperature measurement function, including shell mechanism and circuit board, shell mechanism includes back lid and protecgulum, be equipped with the circuit board between back lid and the protecgulum, be equipped with the battery compartment in the back lid, be equipped with small-size lithium cell in the battery compartment, and small-size lithium cell electric connection circuit board, be equipped with range chip and temperature measurement chip on the circuit board, be equipped with the board in a poor light on the circuit board, the board in a poor light passes through conducting strip electric connection circuit board, be equipped with the button on the circuit board, be equipped with the display screen above the board in a poor light, display screen and button top connection protecgulum, shell mechanism rear end is equipped with LED lamp and infrared probe through the upper end, shell mechanism front end is equipped with the lower terminal; the utility model discloses a range chip automatic adjustment range need not the adjustment driver plate, and the operation of universal meter has been simplified to the intelligent adjustment gear, has increased infrared temperature measurement function and the function of charging simultaneously.

Description

Rechargeable digital multimeter with infrared temperature measurement function

Technical Field

The utility model relates to a universal meter equipment technical field especially relates to a chargeable digital multimeter of area infrared ray temperature measurement function.

Background

Multimeters, also known as multiplex meters, multi-purpose meters, triple meters, multi-purpose meters, etc., are indispensable measurement instruments for power electronics and other departments, and generally aim to measure voltage, current and resistance;

the existing digital multimeter can only use a drive plate to adjust the current measurement gear under the control of cost, the drive plate needs to be operated repeatedly in the measurement, and the function is single and only has the electric switch functions such as current, voltage, resistance, capacitance and the like; the battery capacity that the product used is also limited, and long-term use needs frequently to change the battery, and if place the product for a long time, the battery can the weeping cause the product to damage and lead to goods returned or other problems, influences the product quality image, consequently, the utility model provides a take chargeable digital multimeter of infrared temperature measurement function is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a rechargeable digital multimeter with infrared temperature measurement function, which automatically adjusts the measurement range through a range chip without adjusting a dial plate, and intelligently adjusts the gear, thereby solving the problem that the traditional universal meter needs to repeatedly operate the dial plate when adjusting the current measurement gear, simplifying the operation of the universal meter, simultaneously measuring the surface temperature of a non-contact object through an infrared probe and the temperature measurement chip, increasing the infrared temperature measurement function, enlarging the application range of the universal meter, solving the problem that the universal meter has single function and only has the limitation of measuring current, voltage, resistance, capacitance and other electrical switch functions, additionally, installing a small lithium battery in a battery compartment, electrically connecting the small lithium battery with a USB charging socket, solving the problem that the battery capacity used by the traditional universal meter is limited, the problem that batteries need to be frequently replaced after long-term use is solved, and the damage of the traditional universal meter caused by liquid leakage of the batteries due to long-time placement of the universal meter is avoided.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: the utility model provides a take chargeable digital multimeter of infrared ray temperature measurement function, includes shell mechanism and circuit board, its characterized in that: the shell mechanism comprises a rear cover and a front cover, a circuit board is arranged between the rear cover and the front cover, a battery bin is arranged in the rear cover, a small lithium battery is arranged in the battery bin, the small lithium battery is electrically connected with the circuit board, a range chip and a temperature measuring chip are arranged on the circuit board, a backlight board is arranged on the circuit board and passes through a conductive adhesive tape electrically connected circuit board, keys are arranged on the circuit board, a display screen is arranged above the backlight board, the front cover is connected with the display screen and the keys, the rear end of the shell mechanism is provided with an upper end, an LED lamp and an infrared probe are arranged on the upper end, the infrared probe is electrically connected with the circuit board, the front end of the shell mechanism is provided with a lower end, and an input seat and a USB charging socket are.

The further improvement lies in that: the front cover is provided with an acrylic lens on the upper portion and a key hole on the front cover.

The further improvement lies in that: and a key hole is also formed in the acrylic lens at a position corresponding to the front cover.

The further improvement lies in that: and a left decorative strip and a right decorative strip are arranged on two sides of the shell mechanism.

The further improvement lies in that: the USB charging socket is electrically connected with the small lithium battery, and the input seat is electrically connected with the circuit board.

The utility model has the advantages that: the utility model discloses a range chip automatic adjustment range, need not to adjust the driver plate, the intelligent adjustment gear, the problem of traditional universal meter adjustment current measurement gear need operate the driver plate repeatedly is solved, the operation of universal meter has been simplified, and simultaneously, surface temperature through infrared probe and temperature measurement chip measurable quantity non-contact object, increase infrared ray temperature measurement function, the application range of universal meter has been enlarged, universal meter function singleness has been solved, only measuring current, voltage, the limitation of electric resistance and electric capacity electricity looks electric switch function such as electric resistance, in addition, through the installation lithium cell in the battery compartment, small-size lithium cell electric connection USB charging socket, it is limited to have solved the battery capacity that traditional universal meter used, the problem of battery frequently changed to long-term use needs, the traditional universal meter of placing for a long time has been avoided, the battery can the weeping cause universal meter to damage.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic view of the lower end of the present invention;

fig. 3 is a schematic diagram of the circuit board of the present invention.

Wherein: 1. a circuit board; 2. a rear cover; 3. a front cover; 4. a battery compartment; 5. a conductive adhesive tape; 6. a backlight plate; 7. pressing a key; 8. a display screen; 9. an upper end head; 10. an LED lamp; 11. an infrared probe; 12. a lower end head; 13. an input seat; 14. a USB charging socket; 15. an acrylic lens; 16. a key hole; 17. a left trim strip; 18. and a right decorative strip.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the

drawings

1, 2 and 3, the embodiment provides a rechargeable digital multimeter with an infrared temperature measurement function, which comprises a shell mechanism and a circuit board 1, wherein the shell mechanism comprises a rear cover 2 and a front cover 3, the circuit board 1 is arranged between the rear cover 2 and the front cover 3, a battery chamber 4 is arranged in the rear cover 2, a small lithium battery is arranged in the battery chamber 4 and is electrically connected with the circuit board 1 to supply power to the circuit board 1, a range chip and a temperature measurement chip are arranged on the circuit board 1, the range chip can automatically adjust the range, a backlight plate 6 is arranged on the circuit board 1, the backlight plate 6 is electrically connected with the circuit board 1 through a conductive adhesive tape 5, a key 7 is arranged on the circuit board 1, a display screen 8 is arranged above the backlight plate 6, the front cover 3 is connected above the display screen 8 and the key 7, an upper end 9 is arranged at the rear end, go up and be equipped with LED lamp 10 and infrared probe 11 on the end 9, infrared probe 11 and temperature measurement chip can carry out temperature measurement to the non-contact object, 11 electric connection circuit board 1 of infrared probe, shell mechanism front end is equipped with down end 12, be equipped with input seat 13 and USB charging socket 14 on the end 12 down, can use USB charger (5V1A) general with the cell-phone to insert USB charging socket 14 and charge to small-size lithium cell.

The upper portion of the front cover 3 is provided with an acrylic lens 15, the front cover 3 is provided with a key hole 16, and the key hole 16 is matched with the key 7.

The acrylic lens 15 is also provided with a key hole 16 corresponding to the front cover 3 and adapted to the key 7.

The shell mechanism both sides are equipped with left ornamental strip 17 and right ornamental strip 18, USB charging socket 14 electric connection small-size lithium cell, input seat 13 electric connection circuit board 1.

When the current, voltage, resistance and capacitance are measured, the meter pen is firstly inserted into the corresponding input seat 13, then the probes of the meter pen are respectively placed on two sides of the measured object, and the measuring range chip can automatically measure the current, voltage, resistance and capacitance

The range is adjusted to the move, and output numerical value on display screen 8, if measure the object temperature, then aim at infrared probe 11 with the object of surveying, infrared probe 11 and temperature measurement chip response measurement object's temperature, output numerical value on display screen 8, when the universal meter need charge, insert USB charging socket 14 with the USB charger, USB charging socket 14 electric connection small-size lithium cell charges, and small-size lithium cell electric connection circuit board 1 supplies power to circuit board 1.

The rechargeable digital multimeter with the infrared temperature measurement function automatically adjusts the range through the range chip, does not need to adjust a drive plate, intelligently adjusts the gear, solves the problem that the drive plate needs to be operated repeatedly when the traditional universal meter adjusts the current measurement gear, simplifies the operation of the universal meter, simultaneously measures the surface temperature of a non-contact object through the infrared probe 11 and the temperature measurement chip, adds the infrared temperature measurement function, increases the use range of the universal meter, solves the limitation that the universal meter has single function and only has the functions of measuring electric current, voltage, resistance, capacitance and other electric phase switches, in addition, the miniature lithium battery is arranged in the battery bin 4 and is electrically connected with the USB charging socket 14 to charge the miniature lithium battery, solves the problems that the battery capacity used by the traditional universal meter is limited, the battery needs to be frequently replaced after long-term use, and avoids the traditional universal meter being placed for a long time, the battery may leak and cause damage to the universal meter.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a chargeable digital multimeter of infrared ray temperature measurement function, includes shell mechanism and circuit board (1), its characterized in that: the shell mechanism comprises a rear cover (2) and a front cover (3), a circuit board (1) is arranged between the rear cover (2) and the front cover (3), a battery bin (4) is arranged in the rear cover (2), a small lithium battery is arranged in the battery bin (4), the small lithium battery is electrically connected with the circuit board (1), a range chip and a temperature measuring chip are arranged on the circuit board (1), a backlight plate (6) is arranged on the circuit board (1), the backlight plate (6) is electrically connected with the circuit board (1) through a conductive adhesive tape (5), a key (7) is arranged on the circuit board (1), a display screen (8) is arranged above the backlight plate (6), the front cover (3) is connected above the display screen (8) and the key (7), an upper end (9) is arranged at the rear end of the shell mechanism, and an LED lamp (10) and an infrared probe (11) are arranged on the upper end (9, infrared probe (11) electric connection circuit board (1), shell mechanism front end is equipped with down end (12), be equipped with input seat (13) and USB charging socket (14) on end (12) down.

2. The rechargeable digital multimeter with infrared temperature measurement function according to claim 1, wherein: the button hole (16) is arranged on the front cover (3), and the acrylic lens (15) is arranged on the upper portion of the front cover (3).

3. The rechargeable digital multimeter with infrared temperature measurement function according to claim 2, wherein: the acrylic lens (15) is also provided with a key hole (16) at a position corresponding to the front cover (3).

4. The rechargeable digital multimeter with infrared temperature measurement function according to claim 1, wherein: and a left decorative strip (17) and a right decorative strip (18) are arranged on two sides of the shell mechanism.

5. The rechargeable digital multimeter with infrared temperature measurement function according to claim 1, wherein: the USB charging socket (14) is electrically connected with the small lithium battery, and the input seat (13) is electrically connected with the circuit board (1).