Movable electric box for building construction site

Abstract

The utility model discloses a movable electric box for a building construction site. The movable electric box comprises an electric box main body, a supporting part and a writing board module. An electric control element is arranged in the electric box main body; the supporting part is mounted on the electric box main body and can roll; the lower area of the back face of the writing board module is connected with the electric box body, the lower end of the writing board module and the supporting part form a structure capable of lifting the electric box body away from the ground, and a heat dissipation system is arranged between the writing board module and the electric box body. The electric box is movable, can control a power supply nearby, and is convenient to operate. The electric box is additionally provided with the writing board and has a notification function, so that on-site constructors can conveniently know the construction progress, progress and important notifications. The electric box is provided with the heat dissipation system, so that the heat dissipation problem of the electric box is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric box, more particularly to a movable electric box for construction site. BACKGROUND

[0002] The temporary power supply of construction equipment (such as electric welder, cutting machine, electronic instrument, etc.) in construction site is directly connected to three-phase switch by cable or connected to construction equipment by power supply panel bought from market, both of which have defects: such as, directly connected to three-phase switch by cable is not safe, power supply panel bought from market has no switch (no obvious disconnect point) and only has socket without terminal post, which do not meet the requirements of construction site, especially when the fixed power supply box is far away from construction point, power supply is inconvenient to put.

[0003] At present, some movable electric boxes appear in market, but these electric boxes have single function and only have power supply function.

[0004] Therefore, it is necessary to improve the movable electric box. CONTENT OF UTILITY MODEL

[0005] In view of the defects in prior art, the utility model provides a movable electric box for construction site, which has the following purposes: first, it is movable, second, it increases writing board to realize the function of publishing notice, and third, it increases heat dissipation system to solve the heat dissipation problem of electric box.

[0006] To solve the above technical problems, the utility model realizes the following scheme: the utility model provides a movable electric box for construction site, which comprises:

[0007] An electric box body, which has electric control elements inside;

[0008] A support part, which is installed on the electric box body and can roll;

[0009] A writing board module, which is connected to the back lower area of the electric box body, and its lower end and the support part form a structure that can lift the electric box body off the ground, and a heat dissipation system is arranged between the writing board module and the electric box body.

[0010] Further, the electric box body comprises:

[0011] A box-shaped shell, the bottom surface of which is a bottom cover plate;

[0012] At least one group of terminal connection rows, which are installed on the first inner side surface of the box-shaped shell and are electrically connected to air breakers;

[0013] A plurality of copper-nose terminals are electrically connected to the terminal wiring panel through the junction box one by one;

[0014] A copper-nose supporting box is arranged on the bottom cover plate, and the copper-nose terminals enter the copper-nose supporting box after being bent and are connected to the electric control elements;

[0015] The writing board module comprises:

[0016] A writing board body;

[0017] A middle frame, a first frame opening of the middle frame is fixed with the writing board body;

[0018] A back cover plate is fixedly arranged at a second frame opening of the middle frame, and a back surface lower area of the back cover plate is fixed with the box-shaped shell.

[0019] Further, the heat dissipation system comprises:

[0020] A plurality of air inlets are arranged on the bottom cover plate;

[0021] A first wire passing hole is arranged on the box-shaped shell, and a ventilation gap is left after the wire passing through the first wire passing hole;

[0022] A second wire passing hole is arranged on the back cover plate, and the second wire passing hole overlaps the first wire passing hole;

[0023] A plurality of turbine fans are arranged on a top area of an inner cover surface of the back cover plate, and the back cover plate is provided with an air outlet opposite to the air exhaust of the plurality of turbine fans.

[0024] Further, the back cover plate is built-in with a backup rechargeable battery.

[0025] Further, a handle is further arranged on a back surface of the back cover plate.

[0026] Further, the box-shaped shell is provided with a coaxial hole penetrating through both sides; the supporting part is a two-wheel roller with a shaft, the shaft part is arranged in the coaxial hole, and the two rollers can support the main body of the electric box, and the shaft part passes through below the plurality of copper-nose terminals.

[0027] Further, a transparent cover which can be opened and closed and is waterproof is arranged at a tail end of the box-shaped shell, the transparent cover is provided with a handle, and a control panel of the box-shaped shell faces the transparent cover.

[0028] Further, a bottom end of the control panel is rotatably connected with the bottom cover plate, and a pull rope assembly is arranged between the control panel and an upper cover plate of the box-shaped shell.

[0029] Further, the pull rope assembly comprises a first chain segment, a spring and a second chain segment connected in a linear structure, outer ends of the first chain segment are fixed to the upper cover plate of the box shell, and outer ends of the second chain segment are fixed to the inner cover surface of the control panel.

[0030] Further, the control panel comprises at least a display, an indicator lamp and a plurality of function knobs and a plurality of function buttons.

[0031] Compared with the prior art, the utility model has the beneficial effects that:

[0032] 1. The electric box is movable, can control power supply nearby and is convenient to operate.

[0033] 2. The electric box is provided with a writing board, has a notification function, and a construction worker can conveniently know construction progress, important notifications and the like.

[0034] 3. The electric box is provided with a heat dissipation system to solve the heat dissipation problem of the electric box. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is an explosion view of the movable electric box.

[0036] Figure 2 It is an assembly view of the movable electric box.

[0037] Figure 3 It is an internal structure view of the electric box body.

[0038] Markings in the drawings: a writing board body 1, a middle frame 2, a rear cover plate 3, a turbine fan 4, a handle 5, an electric box body 6, a backup rechargeable battery 7, a supporting part 8, a bottom cover plate 9, a second wire passing hole 10, an air outlet 31, a transparent cover 61, a handle 62, a second chain segment 63, a spring 64, a first chain segment 65, a terminal wire harness 66, a copper nose terminal 67, a display 68, a power supply 69, an air inlet 91, a writing board module 100, a function knob 610, an indicator lamp 611, a copper nose supporting box 612. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and definitely defined. Obviously, the described embodiments of the utility model are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0041] Embodiment 1: The specific structure of the utility model is as follows:

[0042] Please refer to the attached Figures 1-3 The utility model discloses a movable electric box for building construction site, including electric box main part 6, support part 8, writing board module 100.

[0043] The electric box main part 6 is provided with an electric control element, and the electric control element includes a power supply 69, which is used to reduce and stabilize the input three-phase power supply. The power supply 69 is further provided with a circuit to convert the three-phase power supply into a commercial power supply output and a direct current output. The direct current output is further converted into a USB power supply voltage output through a voltage reduction and stabilization circuit.

[0044] The electric box main part 6 includes a box-shaped shell, at least one group of terminal connection rows 66, a plurality of copper-nose terminals 67 and a copper-nose support box 612. The box-shaped shell can be provided with only one shell or a combination of a shell and an inner shell. This embodiment takes a single shell as an example for illustration. The bottom surface of the box-shaped shell is a bottom cover plate 9. The terminal connection rows 66 are provided with two groups and are arranged in an upper and lower distribution. The two groups of terminal connection rows 66 are side-mounted on the first inner side surface of the box-shaped shell and are electrically connected with an air switch. The terminal connection rows 66 are connected with three-phase power supply through the air switch. The plurality of copper-nose terminals 67 are electrically connected with the terminal connection rows 66 one by one through a junction box, as shown in the figure. The copper-nose terminals 67 are provided with four lines, three of which are three-phase lines, and the fourth is a ground line. The bending of the copper-nose terminals 67 increases the length, which prevents stress concentration and avoids poor contact. The copper-nose support box 612 is arranged on the bottom cover plate 9, and the copper-nose terminals 67 enter the copper-nose support box 612 after bending transition and are connected with the electric control element. Figure 3

[0045] The box-shaped shell is provided with a coaxial hole penetrating through both sides, which is used for the penetration of a shaft rod. The support part 8 is installed on the electric box main part 6 and can roll. The support part 8 is a two-wheel roller with a shaft, the shaft part is arranged in the coaxial hole, and the two rollers can support the electric box main part 6. The shaft part penetrates from below the plurality of copper-nose terminals 67.

[0046] The writing board module 100 is connected with the electric box main part 6 at the lower part of the back surface, and the lower end and the support part 8 form a structure that can lift the electric box main part 6 off the ground. A heat dissipation system is arranged between the writing board module 100 and the electric box main part 6.

[0047] ​The writing board module 100 comprises a writing board body 1, a middle frame 2 and a back cover plate 3.

[0048] The writing board body 1 is a commonly used writing board on the market, that is, writing on the writing board can be displayed, and the writing can be erased through an erasing button, some construction progress, construction progress and important notices can be written on the writing board body 1, which is convenient for notification, and the writing board body 1 can be additionally provided with an LED lamp and used as a desktop. When the writing board body 1 is used as a desktop, the writing board body 1 can be placed flat, the roller serves as a support at one end, and the other end of the writing board body 1 can be supported on other supports, such as a cement block or a cart frame. When the writing board body 1 is used as a desktop, the staff can guide the operation on site, and the operation is convenient.

[0049] The first frame opening of the middle frame 2 is fixedly connected with the writing board body 1.

[0050] The second frame opening of the middle frame 2 is fixedly connected with the back cover plate 3, and the lower back surface area of the back cover plate 3 is fixedly connected with the box-shaped shell. The back cover plate 3 is internally provided with a backup rechargeable battery 7, which is used to prevent the writing board body 1 from being powered off and the screen from being disabled. Embodiment 2:

[0051] The heat dissipation system comprises:

[0052] A plurality of air inlets 91 are arranged on the bottom cover plate 9.

[0053] A first wire passing hole is arranged on the box-shaped shell, and a ventilation gap is left after the wire passing through the first wire passing hole.

[0054] A second wire passing hole 10 is arranged on the back cover plate 3, and the second wire passing hole 10 overlaps the first wire passing hole.

[0055] A plurality of turbine fans 4 are arranged on the top area of the inner cover surface of the back cover plate 3, and the back cover plate 3 is provided with an air outlet 31 opposite to the air exhaust side of the plurality of turbine fans 4.

[0056] As shown in Figure 1 When the plurality of turbine fans 4 work, the turbine fans 4 discharge the air in the writing board module 100 to form a negative pressure, because the inner cavity of the writing board module 100 and the inner cavity of the electric box body 6 are communicated, the bottom surface of the electric box body 6 is the bottom cover plate 9 with the air inlets 91, the electric box body 6 forms a negative pressure, and the external cold air enters the inner cavity of the electric box body 6 from the air inlets 91. In order to prevent dust, a dust screen is arranged at the air inlets 91 to reduce the dust entering from the air inlets 91, and the air inlets 91 are downward to prevent water. The heat generated in the electric box is discharged through the turbine fans 4 after passing through the inner cavity of the writing board module 100, so as to achieve the purpose of heat dissipation. Embodiment 3:

[0057] The rear cover plate 3 is provided with a handle 5 for facilitating the pushing of the electric box. The tail end of the box-shaped shell is provided with a transparent cover 61 which can be opened and closed and is waterproof. The transparent cover 61 is provided with a handle 62, and the control panel of the box-shaped shell faces the transparent cover 61. The bottom end of the control panel is rotatably connected to the bottom cover plate 9, and a pull rope assembly is connected between the control panel and the upper cover plate of the box-shaped shell. The pull rope assembly comprises a first chain 65, a spring 64 and a second chain 63 which are connected in a linear structure. The outer end of the first chain 65 is fixed to the upper cover plate of the box-shaped shell, and the outer end of the second chain 63 is fixed to the inner cover surface of the control panel. When the circuit inside the electric box is maintained, the transparent cover 61 is opened, the control panel is pulled down, and the pull rope assembly holds the control panel. After the maintenance is completed, the control panel and the transparent cover 61 are covered again. The transparent cover 61 is waterproof through a sealing ring. The control panel comprises a display 68, an indicator light 611, a plurality of function knobs 610 and a plurality of function buttons.

[0058] In summary, the electric box is movable, can control the power supply nearby, and is convenient to operate. The electric box is provided with a writing board, has a notification function, and the construction personnel can conveniently know the construction progress, the important notification and the like. The electric box is provided with a heat dissipation system to solve the heat dissipation problem of the electric box.

[0059] The above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is based on the content of the specification and drawings of the present application, is also included in the patent protection scope of the present application.

Claims

1. A portable electrical box for use on a construction site, characterized in that, include: The main body of the electrical box (6) contains electrical control components; A support (8) is mounted on the electrical box body (6) and is rotatable; A writing board module (100) is provided. The lower part of the back of the writing board module (100) is connected to the electrical box body (6). Its lower end and the support part (8) form a structure that can lift the electrical box body (6) off the ground. A heat dissipation system is provided between the writing board module (100) and the electrical box body (6).

2. A portable electrical box for use on a construction site according to claim 1, characterized in that, The main body of the electrical box (6) includes: The box-shaped outer shell has a bottom cover plate (9) on its bottom surface. At least one set of terminal blocks (66) are mounted on the first inner side of the box-type housing and are electrically connected to the circuit breaker; Multiple copper nose terminals (67) are electrically connected one-to-one with the terminal block (66) via a junction box; A copper nose support box (612) is provided on the bottom cover plate (9). The copper nose terminal (67) enters the copper nose support box (612) after bending and transition, and is connected to the electrical control component. The writing tablet module (100) includes: Writing board body (1); The middle frame (2) has its first frame opening fixed to the writing board body (1); The rear cover (3) is fixed to the second frame opening of the middle frame (2), and its lower back area is fixed to the box-type outer shell.

3. A portable electrical box for use on a construction site according to claim 2, characterized in that, The heat dissipation system includes: Multiple air inlets (91) are provided on the bottom cover plate (9); A first wire-passing hole is provided in the box-type outer casing, and a ventilation gap is left after the wire passes through the first wire-passing hole; A second wire-passing hole (10) is provided on the rear cover plate (3), and the second wire-passing hole (10) overlaps with the first wire-passing hole; Multiple turbine fans (4) are provided in the top area of ​​the inner cover surface of the rear cover (3), and the rear cover (3) is provided with an air outlet (31) opposite to the exhaust direction of the multiple turbine fans (4).

4. A portable electrical box for use on a construction site according to claim 3, characterized in that, The rear cover (3) has a built-in backup rechargeable battery (7).

5. A portable electrical box for use on a construction site according to claim 3, characterized in that, A handle (5) is also installed on the back of the rear cover plate (3).

6. A portable electrical box for use on a construction site according to claim 2, characterized in that, The box-type outer shell is provided with a coaxial hole that runs through both sides; the support part (8) is a two-wheeled roller with a shaft, the shaft of which passes through the coaxial hole and the two rollers can support the main body (6) of the electrical box, and the shaft passes through the bottom of the plurality of copper nose terminals (67).

7. A portable electrical box for use on a construction site according to claim 2, characterized in that, The rear end of the box-type housing is provided with an openable and waterproof transparent cover (61), the transparent cover (61) is equipped with a handle (62), and the control panel of the box-type housing faces the transparent cover (61).

8. A portable electrical box for use on a construction site according to claim 7, characterized in that, The bottom of the control panel is rotatably connected to the bottom cover plate (9), and a pull rope assembly is connected between the control panel and the top cover plate of the box-type shell.

9. A portable electrical box for use on a construction site according to claim 8, characterized in that, The pull cord assembly includes a first chain segment (65), a spring (64), and a second chain segment (63) connected in a linear structure. The outer end of the first chain segment (65) is fixed to the upper cover plate of the box-type outer shell, and the outer end of the second chain segment (63) is fixed to the inner cover surface of the control panel.

10. A portable electrical box for use on a construction site according to claim 9, characterized in that, The control panel includes at least a display (68), indicator lights (611), several function knobs (610), and several function buttons.

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