Portable alternating current power supply and wiring inspection comprehensive practical training device

Abstract

The invention belongs to the field of electric power practical training devices, and particularly discloses a portable alternating current power supply and wiring inspection comprehensive practical training device which is provided with a base, an L-shaped containing cavity is formed in the base, a printed board fixing board and a virtual load power supply are arranged in the L-shaped containing cavity, and a printed circuit board is fixed on the printed board fixing board. An inner side panel is further fixed in the L-shaped shell, a plurality of first interfaces electrically connected with corresponding contacts of the printed circuit board are arranged on the inner side panel, an upper cover is further hinged to the front side of the upper end of the base through hinges, and a panel is fixed in the upper cover. The panel is provided with a plurality of second interfaces which can be electrically connected with the first interfaces and mounting holes for mounting an electric energy meter and a wiring terminal box; the device has the beneficial effects of being capable of providing various power supplies, convenient for live training, small in size, light in weight, foldable, convenient to transfer, stable in supporting and the like.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of electric power practical training devices, and particularly discloses a portable alternating current power supply and wiring inspection comprehensive practical training device. BACKGROUND

[0002] The electric power industry has the characteristics of high skill requirements for operating personnel, and internal employees are trained in professional skills every year. Due to the fact that it is difficult to see various incorrect wiring methods and phenomena and consequences in actual work, they must be trained in a manner consistent with the field.

[0003] In the prior art, for example, model UST-FZPX, an electric energy meter incorrect wiring intelligent comprehensive simulation system, weighs more than 400 kg, is expensive, is only configured in municipal companies, has a large volume, and has single function and is inconvenient to move.

[0004] For example, CN110706540A discloses a meter installation and power connection practical operation training table, which comprises a table plate, three horizontal sliding slide rods are arranged on the table plate, screw threads are arranged on the upper and lower ends of the slide rods, square sleeves are arranged on the slide rods, screw threads are arranged on the square sleeves, a central rotating rotating plate is arranged on the square sleeves, a screw is arranged on the upper end of the rotating plate, buckles are arranged on the rotating plate on the side of the rotating center, an extension seat is arranged on the lower end of the rotating plate, two symmetrical hinged rods are hingedly connected to the lower end of the extension seat, screws are arranged at the ends of the hinged rods, long holes are arranged on the hinged rods, the two long holes are matched with a U-shaped plate, and a screw is arranged in the middle of the U-shaped plate.

[0005] The above prior art has the following defects: 1. inconvenient transfer, 2. unable to protect the instruments and devices on the table plate in the non-use state; 3. relatively large volume and weight. SUMMARY

[0006] In order to solve the above problems, the purpose of the present application is to disclose a portable alternating current power supply and wiring inspection comprehensive practical training device, which is realized by the following technical scheme.

[0007] A portable alternating current power supply and wiring inspection comprehensive practical training device has a base, the base is an L-shaped shell, an L-shaped cavity composed of a side cavity and a bottom cavity is arranged in the base, a printed board fixing plate and a dummy load power supply are arranged in the bottom cavity, a printed circuit board is fixed on the printed board fixing plate, an L-shaped inner side panel is further fixed in the L-shaped shell, the inner side panel is composed of a side plate and a bottom plate, the side plate is fixed in the side cavity, the bottom plate is fixed in the bottom cavity and located above the printed circuit board, a plurality of first interfaces electrically connected with corresponding contact points of the printed circuit board and a plurality of parameter display screens for displaying current or voltage are arranged on the side plate, the parameter display screens are electrically connected with the printed circuit board and used for displaying parameters such as current and voltage; The upper front side of the base is also hinged to a cover. The cover has an inner cavity, and a panel is fixed inside the inner cavity. The panel has multiple second interfaces and mounting holes. An energy meter and a terminal box are fixed in the mounting holes. The second interface and the first interface can be connected by pluggable wires. The second interface is electrically connected to the corresponding terminal of the terminal box through the wires. The terminal box is electrically connected to the energy meter. When the top cover is rotated to the position directly above the side cavity of the base, the top cover and the base are fixed; when the top cover is rotated to the position directly in front of the side cavity of the base, the top cover and the base are fixed.

[0008] The portable AC power supply and wiring inspection integrated training device described above has a buckle on each of the outer walls of the left and right sides of the side cavity, and two buckles on the upper end of the rear side wall of the base. When the top cover is rotated to the top of the side cavity of the base, the top cover and the base are fixed by the buckles on the rear side wall of the base. When the top cover is rotated to the front of the side cavity of the base, the top cover and the base are fixed by the buckles on the outer walls of the left and right sides of the side cavity.

[0009] The portable AC power supply and wiring inspection integrated training device described above has a telescopic pull rod in the middle of the rear side wall of the base for easy dragging.

[0010] The portable AC power supply and wiring inspection integrated training device described above has two rubber feet on each side of the pull rod on the rear side wall of the base, making it easy to place on the ground.

[0011] The portable AC power supply and wiring inspection integrated training device described above has two brackets with double doors on the rear side wall of the base and below the pull rod. The brackets are hinged to the rear side wall of the base through positioning damping hinges.

[0012] The portable AC power supply and wiring inspection integrated training device described above has a retractable support foot cup on the rear side wall of the base and the lower side of the bracket.

[0013] The portable AC power supply and wiring inspection integrated training device described above has a spring pin on the upper middle part of the two brackets on the rear side wall of the base. When the two brackets are closed, the spring pin can fix the two brackets at the same time.

[0014] The portable AC power supply and wiring inspection integrated training device described above has four omnidirectional casters on the lower part of the base for easy movement.

[0015] The portable AC power supply and wiring inspection integrated training device described above has a first heat dissipation hole on the bottom plate of the inner panel.

[0016] The portable AC power supply and wiring inspection integrated training device described above has a second heat dissipation hole on the rear side wall of the bottom cavity of the L-shaped cavity.

[0017] The portable AC power supply and wiring inspection integrated training device described above has a third heat dissipation hole on the bracket. When the bracket is closed, the bracket will not affect the heat dissipation of the second heat dissipation hole.

[0018] The portable AC power supply and wiring inspection integrated training device described above is made of aluminum alloy for its base, top cover, bracket, panel, printed circuit board fixing plate, and inner panel.

[0019] The portable AC power supply and wiring inspection integrated training device described above uses nylon carbon steel as the material for its support feet.

[0020] The portable AC power supply and wiring inspection integrated training device described above has a maximum rotation angle of 90° for the positioning damping hinge.

[0021] This application has the following beneficial effects: 1. The foldable structure makes it lighter and smaller than similar devices previously used (model: UST-FZPX, Intelligent Integrated Simulation System for Electricity Meter Wiring Errors).

[0022] 2. It features an expandable and foldable stand with retractable support feet to ensure stability during use. 3. The foldable structure eliminates the need for protective doors to safeguard internal electricity meters and wiring, resulting in lower costs and lighter weight.

[0023] 4. This device can be both dragged and carried, making it more convenient to use.

[0024] 5. It can provide corresponding power supplies such as 220V, 100V, and 57.7V for the commissioning of terminals and concentrators.

[0025] 6. Provide the appropriate load (inductive or capacitive) for on-site verification of energy meters.

[0026] 7. It serves as a practical training tool for daily tasks such as replacing electricity meters while the power is on and checking wiring; it also meets the practical training requirements for the eight items required for the employee skills level evaluation exam. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural diagram of the base and top cover after they are joined together according to an embodiment of the present invention.

[0028] Figure 2 This is a front view of the base and top cover after they are joined together according to an embodiment of the present invention.

[0029] Figure 3 This is a rear view of the base and top cover after they are joined together according to an embodiment of the present invention.

[0030] Figure 4 This is a cross-sectional view (AA) of the base and top cover after they are joined together according to an embodiment of the present invention.

[0031] Figure 5 This is a front view of the working state of an embodiment of the present invention.

[0032] Figure 6 This is a rear view of the working state of an embodiment of the present invention.

[0033] Figure 7 This is a wiring diagram of an embodiment of the present invention.

[0034] In the figure, the attached figures are labeled as follows: 1. Base, 2. Top cover, 3. Bracket, 4. Panel, 5. Printed circuit board fixing plate, 6. Inner panel, 7. Hinge, 8. Support feet, 9. Positioning damping hinge, 10. Buckle, 11. Spring pin, 12. Case handle, 13. Pull rod, 14. Rubber feet, 15. Universal casters, 16. Rounded feet. Detailed Implementation

[0035] Example: Figures 1 to 7 A portable AC power supply and wiring inspection integrated training device includes a base 1, which is an L-shaped shell. Inside the base 1, there is an L-shaped cavity consisting of a side cavity and a bottom cavity. Inside the bottom cavity, there is a printed circuit board fixing plate 5 and a virtual load power supply. A printed circuit board is fixed on the printed circuit board fixing plate 5. Inside the L-shaped shell, there is also an L-shaped inner side panel 6, which consists of a side plate and a bottom plate. The side plate is fixed inside the side cavity, and the bottom plate is fixed inside the bottom cavity and located above the printed circuit board. The side plate has multiple first interfaces that are electrically connected to the corresponding contacts of the printed circuit board and multiple parameter display screens. The parameter display screens are electrically connected to the printed circuit board and are used to display parameters such as current or voltage. The lower part of the base 1 is provided with four universal casters 15 for easy transfer. Each of the outer walls on the left and right sides of the side cavity is provided with a buckle 10. On the rear side wall of the base 1, there are two buckles 10 at the upper end and a telescopic pull rod 13 in the middle for easy dragging. There are two rubber feet 14 on each side of the pull rod 13 for easy placement on the ground. There are two brackets 3 for double doors on the lower side of the pull rod 13. The brackets 3 are hinged to the rear side wall of the base 1 through a positioning damping hinge 9. There is also a telescopic support cup 8 on the lower side of the brackets 3. There is a spring pin 11 on the upper side of the middle of the two brackets 3. When the two brackets 3 are closed, the spring pin 11 can fix the two brackets 3 at the same time. The upper front side of the base 1 is also hinged to a top cover 2 via a hinge 7. The top cover 2 has an inner cavity, and a panel 4 is fixed inside the inner cavity. The panel 4 has multiple second interfaces and mounting holes. The mounting holes are for the electricity meter and the terminal box. The second interface and the first interface can be connected by pluggable wires. The second interface is electrically connected to the corresponding terminal of the terminal box via a wire. The terminal box is electrically connected to the electricity meter.

[0036] When the upper cover 2 is rotated to the top of the side cavity of the base 1, the upper cover 2 and the base 1 are fixed by the buckle 10 on the rear side wall of the base 1. When the upper cover 2 is rotated to the front of the side cavity of the base 1, the upper cover 2 and the base 1 are fixed by the buckle 10 on the outer side walls of the left and right sides of the side cavity.

[0037] The portable AC power supply and wiring inspection integrated training device described above has a first heat dissipation hole on the bottom plate of the inner panel 6.

[0038] The portable AC power supply and wiring inspection integrated training device described above has a second heat dissipation hole on the rear side wall of the bottom cavity of the L-shaped cavity.

[0039] The portable AC power supply and wiring inspection integrated training device described above has a third heat dissipation hole on the bracket 3. When the bracket 3 is closed, the bracket 3 will not affect the heat dissipation of the second heat dissipation hole.

[0040] The portable AC power supply and wiring inspection integrated training device described above is made of aluminum alloy for the base 1, top cover 2, bracket 3, panel 4, printed circuit board fixing plate 5, and inner panel 6.

[0041] The portable AC power supply and wiring inspection integrated training device described above uses nylon carbon steel as the material for the support feet 8.

[0042] The portable AC power supply and wiring inspection integrated training device described above has a maximum rotation angle of 90° for the positioning damping hinge 9.

[0043] This application has the following beneficial effects: 1. The foldable structure makes it lighter and smaller than similar devices previously used (model: UST-FZPX8012, Intelligent Integrated Simulation System for Incorrect Wiring of Electricity Meters).

[0044] 2. An expandable and foldable support bracket 3 is provided, which has retractable support feet 8 to maintain stability during use. 3. The foldable structure eliminates the need for protective doors to safeguard internal electricity meters and wiring, resulting in lower costs and lighter weight.

[0045] 4. This device can be both dragged and carried, making it more convenient to use.

[0046] 5. It can provide corresponding power supplies such as 220V, 100V, and 57.7V for the commissioning of terminals and concentrators.

[0047] 6. Provide the appropriate load (inductive or capacitive) for on-site verification of energy meters.

[0048] 7. It serves as a practical training tool for daily tasks such as replacing electricity meters while the power is on and checking wiring; it also meets the practical training requirements for the eight items required for the employee skills level evaluation exam.

Claims

1. A portable alternating current power supply and wiring inspection comprehensive practical training device has a base (1), characterized in that, The base (1) is an L-shaped shell, and an L-shaped cavity composed of a side cavity and a bottom cavity is arranged in the base (1). The bottom cavity is provided with a printed board fixing plate (5) and a dummy load power supply, the printed board fixing plate (5) is fixed with a printed circuit board, and an L-shaped inner side panel (6) is further fixed in the L-shaped shell. The inner side panel (6) is composed of a side plate and a bottom plate, the side plate is fixed in the side cavity, the bottom plate is fixed in the bottom cavity and located above the printed circuit board, a plurality of first interfaces electrically connected with corresponding contact points of the printed circuit board and a plurality of parameter display screens for displaying current or voltage are arranged on the side plate, and the parameter display screens are electrically connected with the printed circuit board. A top cover (2) is further hingedly connected to the front side of the upper end of the base (1) through a hinge (7), an inner cavity is arranged in the top cover (2), a panel (4) is fixed in the inner cavity, a plurality of second interfaces and mounting holes are arranged on the panel (4), an electric energy meter and a terminal box are fixed on the mounting holes, the second interfaces and the first interfaces can be connected through pluggable wires, the second interfaces are electrically connected with corresponding terminal pins of the terminal box through the wires, and the terminal box is electrically connected with the electric energy meter. When the top cover (2) is rotated to be directly above the side cavity of the base (1), the top cover (2) and the base (1) are fixed, and when the top cover (2) is rotated to be directly in front of the side cavity of the base (1), the top cover (2) and the base (1) are fixed.

2. The portable AC power source and wiring inspection comprehensive practical training device according to claim 1, characterized in that, A buckle (10) is arranged on the outer side wall of each of the left side and the right side of the side cavity, and two buckles (10) are arranged on the upper end of the rear side wall of the base (1). When the top cover (2) is rotated to be directly above the side cavity of the base (1), the top cover (2) and the base (1) are fixed through the buckles (10) on the rear side wall of the base (1), and when the top cover (2) is rotated to be directly in front of the side cavity of the base (1), the top cover (2) and the base (1) are fixed through the buckles (10) on the outer side walls of the left side and the right side of the side cavity.

3. The portable AC power source and wiring inspection comprehensive practical training device according to claim 2, characterized in that, A retractable pull rod (13) is arranged on the middle part of the rear side wall of the base (1).

4. The portable AC power source and wiring inspection comprehensive practical training device according to claim 3, characterized in that, Two rubber foot pads (14) are arranged on the left side and the right side of the pull rod (13) on the rear side wall of the base (1).

5. The portable AC power supply and wiring inspection comprehensive practical training device according to claim 4, characterized in that, Two supports (3) of a split door type are arranged on the lower side of the pull rod (13) on the rear side wall of the base (1), and the supports (3) are hingedly connected to the rear side wall of the base (1) through positioning damping hinges (9).

6. The portable AC power source and wiring inspection comprehensive practical training device according to claim 5, characterized in that, A retractable support foot cup (8) is further arranged on the lower side of the support (3) on the rear side wall of the base (1).

7. The portable AC power source and wiring inspection comprehensive practical training device according to claim 6, characterized in that, A spring latch (11) is arranged on the middle upper side of the two supports (3) on the rear side wall of the base (1), and the spring latch (11) can simultaneously fix the two supports (3) when the two supports (3) are closed.

8. The portable AC power source and wiring inspection comprehensive practical training device according to claim 7, characterized in that, Four universal casters (15) are arranged on the lower part of the base (1).

9. The portable AC power source and wiring inspection comprehensive practical training device according to claim 8, characterized in that, The bottom plate of the inner side panel (6) is provided with first heat dissipation holes, and the rear side wall of the bottom cavity of the L-shaped cavity is provided with second heat dissipation holes.

10. The portable AC power source and wiring inspection comprehensive practical training device according to claim 9, characterized in that, Third heat dissipation holes are arranged on the support (3), and the support (3) does not affect the heat dissipation of the second heat dissipation holes when the support (3) is closed.

Images