CN213337918U

CN213337918U - Pos circuit safety inspection device

Info

Publication number: CN213337918U
Application number: CN202022657278.XU
Authority: CN
Inventors: 焦亮; 陈品帅
Original assignee: Shijiazhuang Quanjun Technology Co ltd
Current assignee: Shijiazhuang Quanjun Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-01
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to the field of circuit safety detection, in particular to a pos machine circuit safety detection device, which comprises an universal meter, wherein one side of the universal meter is provided with a detection structure which can detect whether a circuit is communicated or not, the rear end of the universal meter is fixedly connected with a rear shell, the front end of the rear shell is provided with a containing structure, and the inside of the rear shell is provided with a heat dissipation structure which can take away the redundant heat of the universal meter, the utility model can detect the circuit by a meter pen A and a meter pen B, the front end of the meter pen and the rear end of the meter pen adopt a threaded connection mode, so that the front end of the meter pen can be replaced according to different circuits, the high-efficiency and accurate measurement is ensured, the meter pen can be contained in a groove, an electric wire can be wound by the hook, the containing is ensured after the use, the service life of the meter is prolonged, a fan, if the circuit is on, the LED lamp will light and the buzzer will sound.

Description

Pos circuit safety inspection device

Technical Field

The utility model relates to a circuit safety inspection field specifically is a pos machine circuit safety inspection device.

Background

An electrical circuit break somewhere is called an open circuit or an open circuit. This is never allowed if there is no load between the positive and negative poles of the power supply in the circuit but the direct connection is called a short circuit. Another short circuit is a condition where two terminals of a certain element are directly connected and current flows from the direct connection without passing through the element, and this condition is called the element short circuit. With the progress of the times and the development of the society, people enter the information-based society, the modern people are used to use electric power, more and more products run by taking the electric power as power, and once a circuit leaks, the consequences are not imaginable. During the operation of the electric equipment, various failures and abnormal operation may occur due to external influences such as impact pressure, moisture, intrusion of foreign substances or defects of internal materials, aging, abrasion, heat, insulation damage, and faulty operation during the operation.

The circuit comprises: the conductive circuit, which is composed of metal wires and electrical and electronic components, is called a circuit. The circuit can work by applying a power supply to the input end of the circuit to generate a potential difference at the input end. Some phenomena can be visually seen, such as voltmeter or ammeter deflection, bulb luminescence and the like; some may require the measurement instrument to know whether it is working properly. Generally, two types of current flow are used. A circuit through which direct current passes is called a "direct current circuit", and a circuit through which alternating current passes is called an "alternating current circuit".

The multimeter is an instrument for checking whether a circuit is communicated or not, but the wire of a test pen of the multimeter is too long, the test pen is not placed in any place after the multimeter is used, and if the test pen is randomly processed, the service life of the multimeter can be shortened, so that the pos circuit safety detection device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pos machine circuit safety inspection device to solve the problem that proposes among the above-mentioned background art.

For realizing above-mentioned purpose, a pos circuit safety inspection device, including the universal meter, one side of universal meter is provided with the detection structure that can detect whether the circuit feeds through, the rear end fixedly connected with backshell of universal meter, the front end of backshell is provided with accomodates the structure, the inside of backshell is provided with can takes away the unnecessary thermal heat radiation structure of universal meter.

Preferably, the detection structure includes pen-shape metre front end, pen-shape metre rear end, pen-shape metre A and pen-shape metre B, pen-shape metre A sets up the one side at the universal meter, pen-shape metre B sets up the one side at pen-shape metre A, pen-shape metre B comprises pen-shape metre front end and pen-shape metre rear end, pen-shape metre front end and pen-shape metre rear end are connected through threaded connection's mode, just can detect the circuit through pen-shape metre A and pen-shape metre B, and pen-shape metre front end and pen-shape metre rear end adopt threaded connection's mode for the pen-shape metre front end can be changed according to the circuit of difference, guarantees high-efficient accurate measurement.

Preferably, accomodate the structure and include recess and couple, the recess sets up the inside at the backshell, the quantity of recess is two, couple fixed connection can accomodate the pen-shape metre on the surface at the backshell, the pen-shape metre in the inside of recess, and the electric wire can be twined in the existence of couple, can accomodate after guaranteeing to use, increases its life.

Preferably, heat radiation structure includes motor casing, motor and fan, motor casing fixed connection is in the inside of back shell, the motor passes through connecting rod fixed connection in the inside of motor casing, fan fixed connection can drive the fan through the rotation of motor and rotate at the front end of motor to take away the inside heat of universal meter.

Preferably, multimeter fixed surface is connected with the LED lamp, the internally mounted of multimeter has bee calling organ, if the circuit is expert, the LED lamp can be bright, and bee calling organ can sound.

Preferably, the detection structure is connected with the universal meter through a connecting wire, the number of the connecting wires is two, the detection structure and the universal meter can be connected through the connecting wire, and a circuit path is ensured.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a pen-shape metre A and pen-shape metre B just can detect the circuit, pen-shape metre front end and pen-shape metre rear end adopt threaded connection's mode, make the pen-shape metre front end can change according to the circuit of difference, guarantee the high-efficient accurate measurement, the pen-shape metre can be accomodate to the inside of recess, the electric wire can be twined in the existence of couple, can accomodate after guaranteeing to use, increase its life, rotation through the motor can drive the fan and rotate, thereby take away the inside heat of universal meter, if the circuit is logical, the LED lamp can light, bee calling organ can sound.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a block diagram of the rear housing surface;

FIG. 3 is a plan view of the interior of the heat dissipation structure;

fig. 4 is a circuit diagram showing a simple operation principle.

In the figure: 1. a universal meter; 2. detecting the structure; 3. a receiving structure; 4. a heat dissipation structure; 5. a rear housing; 6. an LED lamp; 8. connecting an electric wire; 9. a buzzer; 21. a meter pen front end; 22. a meter pen rear end; 23. a meter pen A; 24. a meter pen B; 31. a groove; 32. hooking; 41. a motor housing; 42. a motor; 43. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a pos circuit safety detection device shown in the figure comprises a multimeter 1, wherein a detection structure 2 capable of detecting whether a circuit is communicated or not is arranged on one side of the multimeter 1, a rear case 5 is fixedly connected to the rear end of the multimeter 1, a storage structure 3 is arranged at the front end of the rear case 5, and a heat dissipation structure 4 capable of taking away redundant heat of the multimeter 1 is arranged inside the rear case 5.

The detection structure 2 comprises a meter pen front end 21, a meter pen rear end 22, a meter pen A23 and a meter pen B24, a meter pen A23 is arranged on one side of the multimeter 1, a meter pen B24 is arranged on one side of the meter pen A23, a meter pen B24 consists of the meter pen front end 21 and the meter pen rear end 22, the meter pen front end 21 and the meter pen rear end 22 are connected in a threaded connection mode, the accommodating structure 3 comprises a groove 31 and a hook 32, the groove 31 is arranged inside the rear shell 5, the number of the groove 31 is two, the hook 32 is fixedly connected to the surface of the rear shell 5, the heat dissipation structure 4 comprises a motor shell 41, a motor 42 and a fan 43, the motor shell 41 is fixedly connected to the inside the rear shell 5, the motor 42 is fixedly connected to the inside of the motor shell 41 through a connecting rod, the fan 43 is fixedly connected to the front end of the motor 42, the surface of the multimeter 1 is fixedly connected with an LED lamp 6, the internally mounted of universal meter 1 has bee calling organ 9, it is connected through connecting wire 8 between structure 2 and the universal meter 1 to detect, connecting wire 8's quantity is two.

When the test circuit is tested, the pen type A23 and the pen type B24 are firstly connected, whether the test device can be used is tested, the LED lamp is turned on 6, the buzzer 9 sounds, and then the test can be started.

In the scheme: a user firstly takes the stylus A23 and the stylus B24 down from the groove 31 in the rear shell 5, the connecting wire 8 is taken down from the hook 32, the stylus A23 and the stylus B24 are short-circuited before working, whether the universal meter 1 can be used or not is observed, under the condition that the universal meter can be used, a circuit of a pos machine is detected, the pen point is placed on a circuit board, if an LED lamp 6 which can be used is a component on the circuit board, the buzzer 9 can give out sound, the front end 21 of the stylus can be replaced by a small component to be detected through threads, and after the use is finished, the stylus A23 and the stylus B24 are placed back into the groove 31.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pos machine circuit safety inspection device, includes universal meter (1), its characterized in that: one side of universal meter (1) is provided with detection structure (2) that can detect whether the circuit communicates, the rear end fixedly connected with backshell (5) of universal meter (1), the front end of backshell (5) is provided with accomodates structure (3), the inside of backshell (5) is provided with can takes away universal meter (1) unnecessary thermal heat radiation structure (4).

2. The pos machine circuit security detection apparatus of claim 1, wherein: detect structure (2) including pen-shape metre front end (21), pen-shape metre rear end (22), pen-shape metre A (23) and pen-shape metre B (24), pen-shape metre A (23) sets up the one side at universal meter (1), pen-shape metre B (24) sets up the one side at pen-shape metre A (23), pen-shape metre B (24) comprises pen-shape metre front end (21) and pen-shape metre rear end (22), pen-shape metre front end (21) and pen-shape metre rear end (22) are connected through threaded connection's mode.

3. The pos machine circuit security detection apparatus of claim 1, wherein: accomodate structure (3) and include recess (31) and couple (32), recess (31) set up the inside at backshell (5), the quantity of recess (31) is two, couple (32) fixed connection is on the surface at backshell (5).

4. The pos machine circuit security detection apparatus of claim 1, wherein: heat radiation structure (4) are including motor casing (41), motor (42) and fan (43), motor casing (41) fixed connection is in the inside of backshell (5), motor (42) are through connecting rod fixed connection in the inside of motor casing (41), fan (43) fixed connection is in the front end of motor (42).

5. The pos machine circuit security detection apparatus of claim 1, wherein: multimeter (1) fixed surface is connected with LED lamp (6), the internally mounted of multimeter (1) has bee calling organ (9).

6. A pos circuit security detection apparatus according to claim 2, wherein: the detection structure (2) is connected with the universal meter (1) through connecting wires (8), and the number of the connecting wires (8) is two.