Built-in monitoring module for overload protection of POS machine

Abstract

The utility model discloses a built-in monitoring module for overload protection of a POS machine, relates to the field of overload protection of electronic equipment, solves the problem that a USB chip is burnt out due to the fact that the working current of the existing POS machine is increased during actual operation, and comprises a mounting box and two conducting strips I symmetrically mounted at openings at two ends of the mounting box, the first contact blocks are fixedly installed at the tops of the first conducting strips, second conducting strips are arranged above the first conducting strips, second contact blocks are fixedly installed on the faces, close to the first conducting strips, of the second conducting strips, the second contact blocks make contact with the first contact blocks, and a conducting base is installed between the two second conducting strips; the monitoring mechanism is used for detecting the current of the first conducting strip, and the monitoring mechanism is installed inside the installation box. According to the utility model, the current of the first conducting strip is detected in real time through the monitoring mechanism, and the monitoring mechanism is connected with a background cloud, so that the effect of comprehensive monitoring is achieved.

Description

Technical Field

[0001] The utility model relates to the field of overload protection of electronic equipment, in particular to a monitoring built-in module for overload protection of a POS machine. Background Art

[0002] POS machine, whose full name is sales terminal, is a multi-functional terminal. It is installed in authorized merchants and acceptance outlets of credit cards and connected to a computer network to realize automatic electronic fund transfer. It supports consumption, pre-authorization, balance inquiry and transfer, etc. It is safe, fast and reliable to use. Basic business intelligence is difficult to obtain in large transactions. The introduction of POS system is mainly to solve the blind spots of information management in the retail industry. It is an important part of the chain store management information system.

[0003] When existing POS machines are actually running, when the printer's working current suddenly increases, the USB chip will burn out because the printer data cable is connected to the USB chip on the motherboard, causing equipment loss and subsequent rectification. However, since the equipment is distributed over a wide range, investing manpower and material resources in maintenance will incur high maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to provide a monitoring built-in module for overload protection of a POS machine, which can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a built-in monitoring module for overload protection of a POS machine, comprising an installation box and two conductive sheets symmetrically installed at the openings at both ends of the installation box, and also comprising: a contact block 1 fixedly installed on the top of the conductive sheet 1, a conductive sheet 2 is arranged above the conductive sheet 1, a contact block 2 is fixedly installed on a side of the conductive sheet 2 close to the conductive sheet 1, the contact block 2 is in contact with the contact block 1, and a conductive seat is installed between the two conductive sheets 2; a monitoring mechanism, used for detecting the current of the conductive sheet 1, the monitoring mechanism is installed inside the installation box; a power-off mechanism, used for separating and powering off the contact block 1 and the contact block 2, the power-off mechanism is installed inside the installation box.

[0006] Preferably, the monitoring mechanism includes an LED display screen fixedly mounted on the outside of the installation box, and the LED display screen can be connected to the background via a wireless network for easy monitoring. The openings at both ends of the installation box are fixedly connected with sockets for limiting the insertion of the conductive sheet 1, which is convenient for the installation of the conductive sheet 1. An adjustment potentiometer is fixedly installed between the outside of the socket and the installation box, and a detection board is fixedly connected to the outside of the adjustment potentiometer, and the detection board is in contact with the bottom of the conductive sheet 1. A groove for installing the detection board and the adjustment potentiometer is provided inside the installation box. The adjustment potentiometer is electrically connected to the LED display screen through the installation box, which is convenient for displaying the current value. Alarm lights are provided on both sides of the installation box, and the alarm lights are installed on the outside of the installation box.

[0007] Preferably, the power-off mechanism includes a mounting bracket fixedly mounted on the inner wall of the bottom of the mounting box, the outer side of the mounting bracket is fixedly connected to a positioning plate, the inner side of the positioning plate is rotatably mounted with a gear, the conductive seat is located above the gear, and a temperature-sensing movable seat is fixedly mounted inside the mounting box, through which the temperatures of the conductive sheet 1 and the conductive sheet 2 are monitored in real time, the temperature-sensing movable seat is electrically connected to the LED display screen through the mounting box, a rack plate matching the gear is mounted on the outer side of the temperature-sensing movable seat, a limiting plate located above the conductive seat is fixedly connected to the top of the mounting bracket, a spring is fixedly connected between the bottom of the limiting plate and the conductive seat, so that the conductive seat and the gear are leaning against each other, and four hemispheres equidistantly distributed in an annular shape are fixedly connected to the bottom of the conductive seat, four spherical grooves 1 for limiting the insertion of the hemispheres are provided on the top of the gear, a spherical groove 2 is provided between adjacent spherical grooves 1, and the height of the spherical groove 1 is greater than the height of the spherical groove 2.

[0008] Preferably, a plurality of mounting grooves for mounting the conductive sheet 2 are provided on the top of the conductive seat, so as to facilitate the installation and positioning of the conductive sheet 2.

[0009] Preferably, a positioning cylinder is fixedly connected in the mounting groove on the conductive seat, and a socket for limiting the insertion of the positioning cylinder is provided at the end of the conductive sheet 2 away from the contact block 2. A turntable is provided above the positioning cylinder, and a bolt matching the positioning cylinder is fixedly connected to the bottom of the turntable to facilitate fixing of the conductive sheet 2.

[0010] Preferably, a pressure cylinder is fixedly connected to the bottom of the turntable, the bolt is located on the inner side of the pressure cylinder, and the bottom of the pressure cylinder is in contact with the top of the conductive sheet 2, thereby improving the firmness of the installation of the conductive sheet 2.

[0011] Preferably, four inserts for positioning installation are fixedly connected to the top of the installation box, so as to facilitate fixing the installation box inside the POS machine.

[0012] Preferably, an annular clip is fixedly connected to the inner side of the positioning plate, and an annular clip groove for limiting the rotation of the annular clip is provided on the outer side of the gear, thereby improving the stability of the gear rotation.

[0013] Preferably, a guide groove is provided between the spherical groove one and the spherical groove two on the gear to facilitate the movement of the hemisphere from the spherical groove one to the spherical groove two.

[0014] Preferably, a sliding rod that slides through the rack plate is fixedly connected to the inner side of the installation box to improve the stability of the movement of the rack plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model uses a monitoring mechanism to adjust the potentiometer to monitor the current on the conductive sheet in real time through the detection board, and displays the value on the LED display screen through the installation box. When the current is abnormal, the alarm light will give a real-time alarm, thereby improving the safety of the POS machine. The LED display screen is connected to the background cloud, thereby achieving a comprehensive monitoring effect.

[0017] 2. The utility model uses a power-off mechanism. When an abnormal current is detected, the temperature-sensing moving seat is activated to move the rack plate. The rack plate can rotate the gear to move the spherical groove 1 on the gear along the outer side of the hemisphere, and move the hemisphere into the spherical groove 2. The height difference between the spherical groove 1 and the spherical groove 2 is used to move the two conductive sheets 2 on the conductive seat upward, so that the contact block 2 can be separated from the contact block 1, thereby achieving the effect of overload protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation box and the insert tube structure in the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the conductive sheet 1 and the conductive sheet 2 in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the adjusting potentiometer and the detection board in the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the mounting frame and the positioning plate in the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the hemisphere and the conductive seat in the utility model.

[0024] In the figure: 1. installation box; 2. conductive sheet 1; 3. monitoring mechanism; 301. LED display screen; 302. socket; 303. adjustment potentiometer; 304. detection board; 305. alarm light; 4. power-off mechanism; 401. mounting frame; 402. positioning plate; 403. gear; 404. temperature-sensing movable seat; 405. rack plate; 406. limit plate; 407. spring; 408. hemisphere; 5. contact block 1; 6. conductive sheet 2; 7. contact block 2; 8. conductive seat; 9. positioning cylinder; 10. turntable; 11. bolt; 12. pressure cylinder; 13. insertion cylinder; 14. annular clamping strip; 15. slide rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-Figure 3 The figure shows a monitoring built-in module for overload protection of a POS machine, comprising an installation box 1 and two conductive sheets 2 symmetrically installed at the openings at both ends of the installation box 1, and also comprising: a contact block 5 fixedly installed on the top of the conductive sheet 2, a conductive sheet 2 6 is arranged above the conductive sheet 2, a contact block 2 7 is fixedly installed on a side of the conductive sheet 2 6 close to the conductive sheet 2, the contact block 2 7 is in contact with the contact block 5, and a conductive seat 8 is installed between the two conductive sheets 2 6; a monitoring mechanism 3, used for detecting the current of the conductive sheet 2, the monitoring mechanism 3 is installed inside the installation box 1; a power-off mechanism 4, used for separating and powering off the contact block 5 and the contact block 2 7, and the power-off mechanism 4 is installed inside the installation box 1.

[0027] See also Figure 2-Figure 4 The monitoring mechanism 3 shown in the figure includes an LED display screen 301 fixedly installed on the outside of the installation box 1. The LED display screen 301 can be connected to the background through a wireless network for easy monitoring. The openings at both ends of the installation box 1 are fixedly connected with sockets 302 for limited insertion of the conductive sheet 2, which is convenient for the installation of the conductive sheet 2. An adjustment potentiometer 303 is fixedly installed between the outside of the socket 302 and the installation box 1. A detection board 304 is fixedly connected to the outside of the adjustment potentiometer 303. The detection board 304 is in contact with the bottom of the conductive sheet 2. A groove for installing the detection board 304 and the adjustment potentiometer 303 is opened inside the installation box 1. The adjustment potentiometer 303 is electrically connected to the LED display screen 301 through the installation box 1, which is convenient for displaying the current value. Alarm lights 305 are set on both sides of the installation box 1, and the alarm lights 305 are installed on the outside of the installation box 1.

[0028] The potentiometer 303 monitors the current on the conductive sheet 2 in real time through the detection board 304, and displays the value on the LED display screen 301 through the installation box 1. When the current on the conductive sheet 2 is abnormal, the LED display screen 301 turns on the alarm light 305 to issue a real-time alarm, thereby improving the safety of the POS machine. In addition, the LED display screen 301 can be connected to the backend cloud, which is convenient for users to fully monitor and perform corresponding debugging on the POS machine with problems.

[0029] See also Figure 3-Figure 6 The power-off mechanism 4 shown in the figure includes a mounting frame 401 fixedly mounted on the inner wall of the bottom of the mounting box 1, a positioning plate 402 is fixedly connected to the outer side of the mounting frame 401, a gear 403 is rotatably mounted on the inner side of the positioning plate 402, and the conductive seat 8 is located above the gear 403. A temperature-sensing movable seat 404 is fixedly mounted inside the mounting box 1, and the temperature of the conductive sheet 1 2 and the conductive sheet 2 6 is monitored in real time through the temperature-sensing movable seat 404. The temperature-sensing movable seat 404 is electrically connected to the LED display screen 301 through the mounting box 1, and the outer side of the temperature-sensing movable seat 404 A rack plate 405 matched with the gear 403 is installed, and a limit plate 406 located above the conductive seat 8 is fixedly connected to the top of the mounting frame 401. A spring 407 is fixedly connected between the bottom of the limit plate 406 and the conductive seat 8, so that the conductive seat 8 and the gear 403 are leaning against each other. Four hemispherical bodies 408 distributed equidistantly in a ring shape are fixedly connected to the bottom of the conductive seat 8. Four spherical grooves 1 for limiting and inserting the hemispherical bodies 408 are opened on the top of the gear 403. A spherical groove 2 is arranged between adjacent spherical grooves 1, and the height of the spherical groove 1 is greater than the height of the spherical groove 2.

[0030] When the adjustment potentiometer 303 detects abnormal current, the temperature-sensing movable seat 404 is started through the LED display screen 301, and the temperature-sensing movable seat 404 rotates the gear 403 through the rack plate 405. The spherical groove 1 on the gear 403 moves along the outer side of the hemisphere 408, so that the hemisphere 408 enters the spherical groove 2 of the gear 403. By utilizing the height difference between the spherical groove 1 and the spherical groove 2, the two conductive sheets 2 6 on the conductive seat 8 are moved upward, so that the contact block 2 7 can be separated from the contact block 1 5, thereby achieving the effect of overload protection.

[0031] Working principle: First, the backend cloud is wirelessly connected to the LED display screen 301 on the POS machine, and the LED display screen 301 is electrically connected to the adjustment potentiometer 303, so that the adjustment potentiometer 303 monitors the current on the conductive sheet 2 in real time through the detection board 304, and displays the value on the LED display screen 301 through the installation box 1. The user can monitor the current safety of the POS machine in real time through the backend. When the current on the conductive sheet 2 is abnormal, the LED display screen 301 turns on the alarm light 305 to give a real-time alarm, improving the POS The safety of the POS machine is ensured by starting the temperature sensing movable seat 404 through the LED display screen 301, and the temperature sensing movable seat 404 rotates the gear 403 through the rack plate 405, and the spherical groove 1 on the gear 403 moves along the outer side of the hemisphere 408, so that the hemisphere 408 enters the spherical groove 2 of the gear 403, and the height difference between the spherical groove 1 and the spherical groove 2 is used to move the two conductive sheets 2 6 on the conductive seat 8 upward, so that the contact block 2 7 can be separated from the contact block 1 5, thereby achieving the effect of overload protection, and facilitating the rapid debugging and maintenance of the POS machine. The conductive sheet used in the utility model needs to consider the use of a conductive sheet with temperature stability to cope with the possible temperature changes inside the POS machine. In specific applications, the monitoring module is integrated into the system of the POS machine, and the monitoring module needs to be connected to the main circuit board or power management module of the POS machine. The specific connection position and method depend on the internal design and structure of the POS machine. In the application, the monitoring module can be controlled by various existing single-chip microcomputers, such as selecting an STM32 single-chip microcomputer to control the monitoring module.

[0032] Example 2: Please refer to Figure 3-Figure 5 , this embodiment further explains the first embodiment. The top of the conductive seat 8 in the figure is provided with a plurality of installation grooves for installing the conductive sheet 2 6, which is convenient for installing and positioning the conductive sheet 2 6. A positioning cylinder 9 is fixedly connected in the installation groove on the conductive seat 8. An end of the conductive sheet 2 6 away from the contact block 2 7 is provided with a socket for limiting the insertion of the positioning cylinder 9. A turntable 10 is arranged above the positioning cylinder 9. A bolt 11 matching the positioning cylinder 9 is fixedly connected to the bottom of the turntable 10, which is convenient for fixing the conductive sheet 2 6. A pressing cylinder 12 is fixedly connected to the bottom of the turntable 10. The bolt 11 is located on the inner side of the pressing cylinder 12. The bottom of the pressing cylinder 12 contacts the top of the conductive sheet 2 6, thereby improving the firmness of the installation of the conductive sheet 2 6. Four insert cylinders 13 for positioning installation are fixedly connected to the top of the installation box 1, which is convenient for fixing the installation box 1 inside the POS machine.

[0033] In this embodiment, the user can insert the conductive sheet 2 6 into the installation groove of the conductive seat 8 and put it on the positioning tube 9, insert the bolt 11 into the positioning tube 9 and rotate the turntable 10 so that the bolt 11 can be fixed inside the positioning tube 9, and the pressure tube 12 can be pressed against the top of the conductive sheet 2 6, thereby achieving the effect of facilitating installation and disassembly and improving the firmness of the installation of the conductive sheet 2 6.

[0034] Example 3: Please refer to Figure 5 and Figure 6 This embodiment further illustrates other embodiments. The inner side of the positioning plate 402 in the figure is fixedly connected with an annular clip 14. The outer side of the gear 403 is provided with an annular clip groove for limiting the rotation of the annular clip 14, thereby improving the smoothness of the rotation of the gear 403. A guide groove is provided between the spherical groove 1 and the spherical groove 2 on the gear 403 to facilitate the movement of the hemisphere 408 from the spherical groove 1 to the spherical groove 2. The inner side of the mounting box 1 is fixedly connected with a slide rod 15 that slides through the rack plate 405, thereby improving the smoothness of the movement of the rack plate 405.

[0035] In this embodiment: its purpose is that the gear 403 can move along the outer side of the annular clamping strip 14 when rotating to prevent the gear 403 from being skewed, and when the hemisphere 408 moves out of the spherical groove 1 on the gear 403, it can enter the spherical groove 2 along the guide groove to improve the power-off efficiency.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various substitutions and modifications may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the claims, the specification and the drawings.

Claims

1. A monitoring built-in module for overload protection of a POS machine, comprising an installation box (1) and two conductive sheets (2) symmetrically installed at openings at both ends of the installation box (1), characterized in that: Also includes: A contact block (5) is fixedly mounted on the top of the conductive sheet (2), a conductive sheet (6) is arranged above the conductive sheet (2), a contact block (7) is fixedly mounted on a side of the conductive sheet (6) close to the conductive sheet (2), the contact block (7) is in contact with the contact block (5), and a conductive seat (8) is installed between the two conductive sheets (6); A monitoring mechanism (3) for detecting the current of the conductive sheet (2), wherein the monitoring mechanism (3) is installed inside the installation box (1); A power-off mechanism (4) is used to separate the contact block 1 (5) and the contact block 2 (7) to cut off power, and the power-off mechanism (4) is installed inside the installation box (1).

2. The monitoring built-in module for POS machine overload protection according to claim 1, characterized in that: The monitoring mechanism (3) comprises an LED display screen (301) fixedly mounted on the outside of the installation box (1); sockets (302) for limiting insertion of the conductive sheet (2) are fixedly connected to the openings at both ends of the installation box (1); an adjusting potentiometer (303) is fixedly mounted between the outside of the socket (302) and the installation box (1); a detection board (304) is fixedly connected to the outside of the adjusting potentiometer (303); the detection board (304) is in contact with the bottom of the conductive sheet (2); a groove for mounting the detection board (304) and the adjusting potentiometer (303) is provided inside the installation box (1); the adjusting potentiometer (303) is electrically connected to the LED display screen (301) through the installation box (1); and alarm lights (305) are arranged on both sides of the installation box (1); the alarm lights (305) are mounted on the outside of the installation box (1).

3. The monitoring built-in module for POS machine overload protection according to claim 2, characterized in that: The power-off mechanism (4) comprises a mounting frame (401) fixedly mounted on the inner wall of the bottom of the mounting box (1); a positioning plate (402) is fixedly connected to the outer side of the mounting frame (401); a gear (403) is rotatably mounted on the inner side of the positioning plate (402); the conductive seat (8) is located above the gear (403); a temperature-sensing movable seat (404) is fixedly mounted inside the mounting box (1); the temperature-sensing movable seat (404) is electrically connected to the LED display screen (301) through the mounting box (1); and a gear (403) is mounted on the outer side of the temperature-sensing movable seat (404) for contact with the gear ( The top of the mounting frame (401) is fixedly connected with a limit plate (406) located above the conductive seat (8), the bottom of the limit plate (406) is fixedly connected with a spring (407) between the conductive seat (8), the bottom of the conductive seat (8) is fixedly connected with four hemispherical bodies (408) distributed equidistantly in a ring shape, the top of the gear (403) is provided with four spherical grooves 1 for limiting and inserting the hemispherical bodies (408), a spherical groove 2 is arranged between adjacent spherical grooves 1, and the height of the spherical groove 1 is greater than the height of the spherical groove 2.

4. The monitoring built-in module for POS machine overload protection according to claim 1, characterized in that: The top of the conductive seat (8) is provided with a plurality of mounting grooves for mounting the conductive sheet 2 (6).

5. The monitoring built-in module for POS machine overload protection according to claim 4, characterized in that: A positioning cylinder (9) is fixedly connected in the mounting groove on the conductive seat (8); an insertion hole for limiting insertion of the positioning cylinder (9) is provided at one end of the conductive sheet (6) away from the contact block (7); a rotating disk (10) is arranged above the positioning cylinder (9); a bolt (11) matching the positioning cylinder (9) is fixedly connected to the bottom of the rotating disk (10).

6. The monitoring built-in module for POS machine overload protection according to claim 5, characterized in that: The bottom of the rotating disk (10) is fixedly connected with a pressure cylinder (12), the bolt (11) is located inside the pressure cylinder (12), and the bottom of the pressure cylinder (12) is in contact with the top of the second conductive sheet (6).

7. The monitoring built-in module for POS machine overload protection according to claim 1, characterized in that: Four inserts (13) for positioning installation are fixedly connected to the top of the installation box (1).

8. The monitoring built-in module for POS machine overload protection according to claim 3, characterized in that: An annular clamping strip (14) is fixedly connected to the inner side of the positioning plate (402), and an annular clamping groove for limiting the rotation of the annular clamping strip (14) is provided on the outer side of the gear (403).

9. The monitoring built-in module for POS machine overload protection according to claim 3, characterized in that: A guide groove is provided between the first spherical groove and the second spherical groove on the gear (403).

10. The monitoring built-in module for POS machine overload protection according to claim 3, characterized in that: A sliding rod (15) which slides through the rack plate (405) is fixedly connected to the inner side of the installation box (1).

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