CN211236078U - Power line test load box - Google Patents

Abstract

The utility model discloses a power line test load box, the power distribution box comprises a box body, the leading flank of box rotates and is connected with the chamber door, open the inside of box has the cavity, the fan that is used for the ventilation is installed through some mounting grooves of its up end to the box, and the fan communicates with each other with the inside of cavity, the internally mounted of cavity has a plurality of load modules, and load module and two conducting rod interconnect of installing in the safety cover, safety cover fixed connection is on a side of box, and the inside wiring module that is equipped with of lower extreme of safety cover, the installation piece that the cavity has through fixed connection on its lateral wall is connected with the apron, different load values can be adjusted to this device, and convenient operation is swift.

Description

Power line test load box

Technical Field

The utility model relates to a line test technical field specifically is a power line tests load box.

Background

After having installed power equipment on the circuit, need carry out load test to the circuit to can guarantee the operation of circuit safety, just at this time need corresponding check out test set come to debug the circuit, need apply the load for the circuit in the time of debugging, and need be continuous to adjust the size of load, thereby can detect the load scope of circuit safe operation, but current load provides that the device parameter is single, and the device is numerous, and the time-consuming and inconvenient operation is spent during the debugging, for solving above-mentioned problem the utility model provides an electric power circuit test load box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power line test load box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power line test load box, includes the box, the leading flank of box rotates and is connected with the chamber door, open the inside of box has the cavity, and the fan that is used for the ventilation is installed through some mounting grooves of its up end to the box, and the inside of fan and cavity communicates with each other, the internally mounted of cavity has a plurality of load modules, and load module and two conducting rod interconnect of installing in the safety cover, safety cover fixed connection is on a side of box, and the inside wiring module that is equipped with of lower extreme of safety cover, the installation piece that the cavity has through fixed connection on its lateral wall is connected with the apron.

Preferably, the load module includes a plurality of resistance sticks, the both ends difference fixed connection of resistance stick is on the both sides wall of cavity, and one end all is connected with the connecting plate electricity, and the other end difference electricity is connected with first wire, first wire is connected with the current conducting plate through the connecting wire, and a plurality of current conducting plates are the circumference form and arrange, and equal fixedly connected with insulation board between two adjacent current conducting plates, be equipped with the electrically conductive axle in the middle of a plurality of current conducting plates, and fixedly connected with lug on the side of electrically conductive axle, the one end of electrically conductive axle runs through apron and fixedly connected with knob, and the conducting ring has been cup jointed in the outside activity of the other end, conducting ring and connecting plate are respectively through second wire and two conducting rod.

Preferably, the knob is fixedly connected with a pointer, and the cover plate is provided with a corresponding identification groove.

Preferably, the wiring module is including deciding the board, decide board fixed connection at the lower extreme of conducting rod, and the top of deciding the board is equipped with the movable plate, the movable plate passes through the inside wall interconnect of spring and safety cover, and the side fixedly connected with connecting rod that goes up of movable plate, spring and safety cover and fixedly connected with arm-tie are run through in proper order to the upper end of connecting rod, it has the dead slot to open on the terminal surface of arm-tie, it has the plug wire hole to open on the safety cover.

Preferably, a guide plate is arranged above the load module, the guide plate is in a V shape, two ends of the guide plate are respectively and fixedly connected to two side walls of the cavity, a plurality of air guide grooves are formed in the guide plate, wind shields are fixedly connected to the outer side of each air guide groove and the upper side face of the guide plate, and the wind shields are arranged in a step shape from the middle to the outer side of the guide plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a setting of connecting plate, many resistance sticks and many first wires has realized that it specifically is which resistance stick access circuit can be controlled through rotating the conducting shaft to can adjust load module's load value, setting through two conducting rods can make a plurality of load modules parallelly connected, can adjust load value on a wider scale like this, only need go rotate different knobs when adjusting can, different load values can be adjusted to this device, and convenient operation is swift moreover.

Drawings

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

FIG. 2 is a schematic view II of the overall structure of the present invention;

FIG. 3 is a schematic view of the door of the present invention being rotated open;

FIG. 4 is an exploded view of the cover plate and mounting block of the present invention;

fig. 5 is a schematic view of the connection between the load module and the conductive rod according to the present invention;

fig. 6 is a schematic structural diagram i of the load module of the present invention;

fig. 7 is a schematic structural diagram ii of the load module of the present invention;

FIG. 8 is a schematic view of the wind direction of the present invention;

FIG. 9 is an exploded view of the blower and the mounting groove of the present invention;

fig. 10 is a schematic structural diagram of the wiring module of the present invention.

In the figure: 1. the box body, 2, a box door, 3, a fan, 4, a wiring module, 401, a fixed plate, 402, a movable plate, 403, a spring, 404, a connecting rod, 405, a pulling plate, 406, a wire insertion hole, 407, a pulling groove, 5, a cavity, 6, a mounting block, 7, a cover plate, 8, a load module, 801, a resistor rod, 802, a connecting plate, 803, a first wire, 804, a connecting wire, 805, a conductive plate, 806, an insulating plate, 807, a conductive shaft, 808, a bump, 809, a conductive ring, 810, a second wire, 811, a knob, 812, a pointer, 9, a marking groove, 10, a conductive rod, 11, a guide plate, 12, a wind shield, 13, a wind guide groove, 14, a mounting groove, 15, a protective cover, 16 and a ventilation groove.

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. 1-10, the present invention provides a technical solution: a power line test load box comprises a box body 1, a box door 2 is rotatably connected to the front side face of the box body 1, a cavity 5 is formed in the box body 1, a fan 3 for ventilation is installed on the box body 1 through a mounting groove 14 formed in the upper end face of the box body 1, a touch button is further arranged on the upper side face of the box body 1, the fan 3 can be controlled to be started through the touch button, the fan 3 is directly communicated with an external power supply through a cable, (so that the influence of the operation of the fan 3 on the whole load test of an integral circuit can be avoided), the fan 3 is communicated with the inside of the cavity 5, the mounting groove 14 is a through groove, the fan 3 is mutually connected with the upper side face of the box body 1 through a bolt, one end of the fan 3 is inserted into the inside of the mounting groove 14 and communicated with the cavity 5, the other end of the fan 3 is communicated with the outside, and the wind blown out by the, a plurality of load modules 8 are mounted inside the cavity 5, the load modules 8 can provide a load to the circuit, and the load modules 8 are interconnected with the two conductive bars 10 installed in the protection cover 15, because both ends of each load module 8 are interconnected with the two conductive bars 10, so that a plurality of load modules 8 are connected in parallel with each other, the protection cover 15 is fixedly attached to one side surface of the case 1, and the wiring module 4 is arranged in the lower end of the protective cover 15, one end of the circuit to be tested is connected with one wiring module 4, the other end of the circuit to be tested is connected with the other wiring module 4, the load module 8 of the device can be connected in series in the whole circuit, the cavity 5 is connected with a cover plate 7 through a mounting block 6 fixedly connected to the side wall of the cavity, the cover plate 7 is connected with the mounting block 6 through bolts, and the cover plate 7 can protect devices inside the cavity 3.

Specifically, the load module 8 includes a plurality of resistance rods 801, each resistance rod 801 has a different resistance, so as to provide different loads for a circuit, two ends of each resistance rod 801 are respectively and fixedly connected to two side walls of the cavity 5, one end of each resistance rod 801 is electrically connected to a connection plate 802, the other end of each resistance rod is electrically connected to a first conductive wire 803, two ends of each resistance rod 801 are respectively and fixedly connected to an insulation block, the insulation blocks are respectively and fixedly connected to the side walls of the cavity 5, the connection plate 802 is sleeved outside the insulation blocks, and the inner side surface of the connection plate 802 is closely attached to the conductive portion of the resistance rod 801, the connection plate 802 is made of a good conductor (e.g., copper plate), the first conductive wire 803 is also connected to the conductive portion of the resistance rod 801, the first conductive wire 803 is connected to a conductive plate 805 through a connection line 804, the plurality of conductive plates 805 are, the conductive plate 805 and the insulating plate 806 are both arc-shaped plates, a hollow cylinder can be formed by four conductive plates 805 and the insulating plate 806 therebetween, a conductive shaft 807 is arranged in the middle of the plurality of conductive plates 805, a bump 808 is fixedly connected to the side surface of the conductive shaft 807, the center of circle of the conductive shaft 807 is located at the same point as the center of circle of the hollow cylinder formed by the conductive plate 805 and the insulating plate 806, the bump 808 can be controlled to contact with different conductive plates 805 or the insulating plate 806 by rotating the conductive shaft 807, so that different resistive rods 801 can be connected to a circuit or the resistive rods 801 are not connected to the circuit, one end of the conductive shaft 807 penetrates through the cover plate 7 and is fixedly connected with a knob 811, the knob 811 is made of an insulating material, the conductive shaft 807 can be driven to rotate by rotating the knob 811, a conductive ring 809 is movably sleeved on the outer side of the other end of the conductive shaft 807, the conductive ring 809 and the, the second wire 810 is a hard copper rod, which can conduct electricity and can support the conducting ring 809;

when the device is connected into a circuit, current enters the inside of the connecting plate 802 through one conducting rod 10, then sequentially passes through the resistor rod 801, the first conducting wire 803, the connecting wire 804, the conducting plate 805, the bump 808, the conducting shaft 807, the conducting ring 809, the second conducting wire 810, and finally flows out through the other conducting rod 10.

Specifically, the pointer 812 is fixedly connected to the knob 811, the cover plate 7 is provided with the corresponding identification groove 9, the identification groove 9 includes a plurality of grooves, the position and the number of each groove are in one-to-one correspondence with the position and the number of the conductive plates 805 (that is, the number of the grooves is the same as the number of the resistive rods 801, and the corresponding resistance value of the resistive rod 801 is engraved inside each groove, so that a worker can observe a load value conveniently), the position of the pointer 812 corresponds to the position of the bump 808, and the alignment of the bump 808 with different conductive plates 805 can be judged by aligning the pointer 812 with different grooves.

Specifically, the wiring module 4 includes a fixed plate 401, the fixed plate 401 is fixedly connected to the lower end of the conductive rod 10, a movable plate 402 is disposed above the fixed plate 401, the movable plate 402 is connected to the inner side wall of the protective cover 15 through a spring 403, the spring 403 pushes the movable plate 402 downward, the movable plate 402 and the fixed plate 401 can be matched with each other to clamp the electric wire, a connecting rod 404 is fixedly connected to the upper side surface of the movable plate 402, the upper end of the connecting rod 404 sequentially penetrates through the spring 403 and the protective cover 15 and is fixedly connected with a pulling plate 405, the movable plate 402 can be pulled up through the pulling plate 405 and the connecting rod 404 to separate the movable plate 402 and the fixed plate 401 from each other, a pulling groove 407 is formed in the end surface of the pulling plate 405, the pulling groove 407 can facilitate pulling of the pulling plate 405, a plug hole 406 is formed in the protective cover 15, the movable plate 402 can be pulled apart, the electric wire can be inserted into the upper portion of the fixed plate 401 through the plug, so that the movable plate 402 and the top plate 401 can clamp the electric wires.

Specifically, a guide plate 11 is disposed above the load module 8, the guide plate 11 is in a "V" shape, and two ends of the guide plate 11 are respectively and fixedly connected to two side walls of the cavity 5, the wind blown out by the fan 3 can blow onto the guide plate 11, and then can blow off two ends of the guide plate 11 (as shown in fig. 8), the guide plate 11 is provided with a plurality of wind guide grooves 13, and the outer side of each wind guide groove 13 and the upper side surface of the guide plate 11 are both fixedly connected with wind shields 12, the wind shields 12 are arranged in a step shape from the middle to the outer side of the guide plate 11, the height of the wind shield 12 near the middle of the guide plate 11 is smaller than the height of the wind shield 12 at the outer end of the guide plate 11, when the wind blown out by the fan 3 flows to two ends of the guide plate 11, each wind shield 12 can intercept a part of the wind, and then passes, that is to say load module 8 blows off (as shown in fig. 8) to can realize the cooling to load module 8, the setting up of guide plate 11 can make the more even wind that blows off of fan 3 blow to load module 8, thereby can make the better cooling of load module 8.

The working principle is as follows: before use, an outer insulation layer of an electric wire to be wired is stripped, then a conductor in the electric wire is inserted into the upper part of a fixed plate 401 through a wire inserting hole 406, the fixed plate 401 and a movable plate 402 clamp the electric wire, so that wiring is completed, then a circuit can be started, when in use, a touch button on the upper side surface of a box body 1 is pressed to start a fan 3, then a knob 811 is rotated to connect a load module 8 into the circuit, other load modules 8 can be connected into the circuit in parallel by rotating different knobs 811, the number of the load modules 8 in the access circuit can be adjusted, at the moment, a plurality of load blocks 8 are in a parallel connection mode, the load values in the access circuit can be calculated only by adding corresponding load values, and then the corresponding bumps 808 can be contacted with different conductive plates 805 by rotating the knob 811 to adjust the load values of the load modules 8, therefore, the load value can be better adjusted, and the operation is convenient and quick.

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 (5)

1. The utility model provides a power line test load box, includes box (1), the leading flank of box (1) rotates and is connected with chamber door (2), its characterized in that: the utility model discloses a fan box structure, including box (1), fan (3) that are used for the ventilation are installed through mounting groove (14) that its up end was opened to the inside of box (1), and fan (3) communicate with each other with the inside of cavity (5), the internally mounted of cavity (5) has a plurality of load module (8), and load module (8) and two conducting rod (10) interconnect of installing in safety cover (15), safety cover (15) fixed connection is on the side of box (1), and the inside wiring module (4) that is equipped with of lower extreme of safety cover (15), installation piece (6) that cavity (5) have through fixed connection on its lateral wall are connected with apron (7).

2. An electrical line testing load box according to claim 1, wherein: the load module (8) comprises a plurality of resistance rods (801), two ends of each resistance rod (801) are respectively and fixedly connected to two side walls of the cavity (5), one end of each of the two connecting wires is electrically connected with the connecting plate (802), the other end of each of the two connecting wires is electrically connected with a first lead wire (803), the first lead wire (803) is connected with a conductive plate (805) through a connecting wire (804), a plurality of conductive plates (805) are arranged in a circle, an insulating plate (806) is fixedly connected between every two adjacent conductive plates (805), a conductive shaft (807) is arranged between the plurality of conductive plates (805), a convex block (808) is fixedly connected on the side surface of the conductive shaft (807), one end of the conductive shaft (807) penetrates through the cover plate (7) and is fixedly connected with a knob (811), the outer side of the other end is movably sleeved with a conductive ring (809), the conducting ring (809) and the connecting plate (802) are respectively connected with the two conducting rods (10) through second conducting wires (810).

3. An electrical line testing load box according to claim 2, wherein: the knob (811) is fixedly connected with a pointer (812), and the cover plate (7) is provided with a corresponding identification groove (9).

4. An electrical line testing load box according to claim 1, wherein: wiring module (4) are including deciding board (401), decide board (401) fixed connection at the lower extreme of conducting rod (10), and the top of deciding board (401) is equipped with movable plate (402), inside wall interconnect that movable plate (402) pass through spring (403) and safety cover (15), and the side fixedly connected with connecting rod (404) of going up of movable plate (402), the upper end of connecting rod (404) runs through spring (403) and safety cover (15) and fixedly connected with arm-tie (405) in proper order, it has draw groove (407) to open on the terminal surface of arm-tie (405), it has plug wire hole (406) to open on safety cover (15).

5. An electrical line testing load box according to claim 1, wherein: the wind-guiding plate is characterized in that a wind guiding plate (11) is arranged above the load module (8), the wind guiding plate (11) is V-shaped, two ends of the wind guiding plate are fixedly connected to two side walls of the cavity (5) respectively, a plurality of wind guiding grooves (13) are formed in the wind guiding plate (11), wind shielding plates (12) are fixedly connected to the outer side of each wind guiding groove (13) and the upper side face of each wind guiding groove (11), and the wind shielding plates (12) are arranged in a step shape from the middle to the outer side of the wind guiding plate (11).

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