CN217278546U - Load box - Google Patents

Load box Download PDF

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Publication number
CN217278546U
CN217278546U CN202220845800.3U CN202220845800U CN217278546U CN 217278546 U CN217278546 U CN 217278546U CN 202220845800 U CN202220845800 U CN 202220845800U CN 217278546 U CN217278546 U CN 217278546U
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CN
China
Prior art keywords
load
box body
box
operation panel
disposed
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Active
Application number
CN202220845800.3U
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Chinese (zh)
Inventor
沈增明
欧阳辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Gubo Electromechanical Co ltd
Original Assignee
Hunan Solid Bo Electromechanical Co ltd
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Priority to CN202220845800.3U priority Critical patent/CN217278546U/en
Application granted granted Critical
Publication of CN217278546U publication Critical patent/CN217278546U/en
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Abstract

The utility model provides a load box, include: the emergency stop box comprises a box body, wherein a box door is arranged on the front surface of the box body, an operation panel is arranged on the box door, and an emergency stop button, a fan forward/reverse rotation knob and a plurality of load gear switches are arranged on the operation panel; the control circuit is provided with a plurality of electromagnetic relays, the electromagnetic relays are arranged on the first side of the back plate of the box body, and each electromagnetic relay is controlled to be switched on or off by a corresponding load gear switch; the load circuit is provided with an access port and a plurality of groups of load resistors, the plurality of groups of load resistors are arranged on the second side of the back plate of the box body, the access port is arranged on the first side of the box body and is electrically connected with the corresponding group of load resistors through an electromagnetic relay, a digital display circuit meter is electrically connected in the load circuit, and a dial plate of the digital display circuit meter is embedded on the operation panel; and the heat dissipation fan is arranged on one side of the box body and is communicated with the inside of the box body.

Description

Load box
Technical Field
The utility model relates to a test equipment technical field, in particular to load box.
Background
The load box is mainly used for performance detection, aging and other occasions of on-line high-power UPS, inverters, switching power supplies and diesel generating sets in departments of electric power, telecommunication and the like and manufacturers. The adjustment range of the existing load box is small, the adjustment process of the load is relatively complex, and therefore the applicability is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a load box, its purpose is few in order to solve current load box adjustment gear, the problem that the adjustment process is complicated.
In order to achieve the above object, an embodiment of the present invention provides a load box, including:
the fan control box comprises a box body, wherein a box door is arranged on the front surface of the box body, an operation panel is arranged on the box door, and an emergency stop button, a fan forward/reverse rotation knob and a plurality of load gear switches are arranged on the operation panel;
the control circuit is electrically connected with the emergency stop button, the fan forward/reverse rotation knob and the load gear switches, the control circuit is provided with a plurality of electromagnetic relays, the electromagnetic relays are arranged on the first side of the back plate of the box body, and each electromagnetic relay is controlled to be switched on or switched off by the corresponding load gear switch;
the load circuit is provided with an access port and a plurality of groups of load resistors, the plurality of groups of load resistors are arranged on the second side of the back plate of the box body, the access port is arranged on the first side of the box body, the access port is electrically connected with one end of each electromagnetic relay, the other end of each electromagnetic relay is electrically connected with the corresponding group of load resistors, a digital display circuit meter is electrically connected in the load circuit, and a dial plate of the digital display circuit meter is embedded on the operation panel;
the heat dissipation fan is arranged on one side of the box body and communicated with the inside of the box body.
The heat dissipation fan is arranged in an inner cavity on one side of the box body, and a grid protection plate is arranged on the outer side of the inner cavity of the box body.
Two groups of ventilation openings are formed in the side plate on the other side of the box body, and the two groups of ventilation openings are formed in the upper portion and the lower portion of the side plate of the box body respectively.
Wherein, the bottom of box is provided with a plurality of universal wheel.
Wherein, an operation indicator lamp is arranged on the operation panel.
Wherein, load resistance comprises a plurality of resistance pieces, be provided with a plurality of wiring erection columns on the backplate of box, the wiring erection column is in through the fixation nut fixed mounting who sets up in the bottom on the backplate of box, the middle part of wiring erection column is provided with fixed cover, the top of wiring erection column is provided with mounting nut, the mounting hole has been seted up on the resistance piece, the resistance piece passes through the mounting hole is installed on the wiring erection column, the resistance piece clamp is established between mounting nut and the fixed cover.
The above technical scheme of the utility model has following beneficial effect:
the load box of the above embodiment of the present invention controls the corresponding electromagnetic relays to be turned on by rotating different load gear switches, and after the electromagnetic relays are turned on, the access ports can be connected to load resistors with different resistance sizes, so as to adjust loads in different ranges; a heat radiation fan is arranged on one side of the load box, so that air can flow in the box body, and quick heat radiation is realized; a digital display ammeter is embedded on the operation panel, so that the current in the circuit can be monitored in real time; the utility model is simple in operation, the load switches conveniently, can be applicable to the equipment detection of different power sizes, and the suitability is strong.
Drawings
Fig. 1 is a schematic structural diagram of a load box according to an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a load box according to an embodiment of the present invention;
fig. 3 is a schematic diagram of resistor disc installation of a load box according to an embodiment of the present invention.
[ instruction of reference ]
1, a box body; 2-a box door; 3-a back plate; 4-emergency stop button; 5-fan forward/reverse rotation knob; 6-load gear switch; 7-digital display circuit table; 8-a heat dissipation fan; 9-a grid protection plate; 10-a vent; 11-universal wheels; 12-running indicator light; 13-a resistive sheet; 14-a wiring mounting post; 15-fixing the sleeve; 16-mounting a nut; 17-a wire; 18-fixing the nut.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model discloses it is few to current load box adjustment gear, the problem that the adjustment process is complicated provides a load box.
As shown in fig. 1 to 3, an embodiment of the present invention provides a load box, including:
the emergency braking device comprises a box body 1, wherein a box door 2 is arranged on the front side of the box body 1, an operation panel is arranged on the box door 2, and an emergency stop button 4, a fan forward/backward rotation knob 5 and a plurality of load gear switches 6 are arranged on the operation panel; the control circuit is electrically connected with the emergency stop button 4, the fan forward/reverse rotation knob 5 and the load gear switches 6 and is provided with a plurality of electromagnetic relays, the electromagnetic relays are arranged on the first side of the back plate 3 of the box body 1, and each electromagnetic relay is controlled to be switched on or off by the corresponding load gear switch 6; the load circuit is provided with an access port and a plurality of groups of load resistors, the plurality of groups of load resistors are arranged on the second side of the back plate of the box body 1, the access port is arranged on the first side of the box body 1, the access port is electrically connected with one end of each electromagnetic relay, the other end of each electromagnetic relay is electrically connected with the corresponding group of load resistors, a digital display circuit meter 7 is electrically connected in the load circuit, and a dial plate of the digital display circuit meter 7 is embedded on the operation panel; and the heat radiation fan 8 is arranged on one side of the box body, and the heat radiation fan 8 is communicated with the inside of the box body 1.
The embodiment of the utility model provides a be provided with three 20A 15KW load gear switch 6 in the load box altogether, three 40A 30KW load gear switch 6, two 60A 45KW load gear switch 6, five 150A 110KW load gear switch 6, through rotatory corresponding load gear switch 6 can make the load circuit in access port and the load resistance switch-on of corresponding resistance size to realize the regulation of different scope loads; the heat dissipation device is provided with the heat dissipation fan 8 and the fan forward/backward rotation knob 5, and the forward/backward rotation of the heat dissipation fan 8 can be controlled by adjusting the fan forward/backward rotation knob 5, so that air blowing or air draft in the box body 1 is realized, and heat generated by the work of a resistor in the box body 1 is dissipated; in this example, a digital circuit meter 7 is connected, so that the current magnitude in the working process can be monitored in real time.
The heat dissipation fan 8 is arranged in an inner cavity on one side of the box body 1, and a grid protection plate 9 is arranged on the outer side of the inner cavity of the box body 1.
Two groups of ventilation openings 10 are formed in the side plate on the other side of the box body 1, and the two groups of ventilation openings 10 are respectively formed in the upper portion and the lower portion of the side plate of the box body 1.
The embodiment of the utility model provides a load box, radiator fan 8 sets up in the inner chamber of box 1 one side, has seted up two sets of vents 10 at box 1's opposite side, consequently when radiator fan 8 during operation, can by vent 10 inhales or the effluvium air, can get into cold air in the messenger box 1 and make the resistance heat dissipation cooling.
Wherein, the bottom of the box body 1 is provided with a plurality of universal wheels 11.
The embodiment of the utility model provides a load box, the bottom four corners of box 1 is provided with an universal wheel 11 respectively, through four universal wheel 11 can carry out load box to the optional position along ground.
Wherein, an operation indicator lamp 12 is arranged on the operation panel.
The embodiment of the utility model provides a load box, operation pilot lamp 12 can instruct the real-time running state of load box.
As shown in fig. 3, the load resistor is composed of a plurality of resistor discs 13, a plurality of wiring mounting posts 14 are arranged on a back plate of the box 1, the wiring mounting posts 14 are fixedly mounted on the back plate 3 of the box 1 through fixing nuts 18 arranged at the bottom, a fixing sleeve 15 is arranged in the middle of the wiring mounting posts 14, a mounting nut 16 is arranged at the top of the wiring mounting posts 14, mounting holes are formed in the resistor discs 13, the resistor discs 13 are mounted on the wiring mounting posts 14 through the mounting holes, and the resistor discs 13 are clamped between the mounting nut 16 and the fixing sleeve 15.
The embodiment of the utility model provides a load case in resistance card 13 fix through mounting nut 16 on the erection column 14 of working a telephone switchboard, last terminal of electromagnetic relay pass through wire 17 with the erection column 14 of working a telephone switchboard is connected, the end of wire 17 passes through equally mounting nut 16 clamping is fixed, thereby makes last terminal of electromagnetic relay and the switch-on of resistance card 13.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A load box, comprising:
the emergency stop box comprises a box body, wherein a box door is arranged on the front side of the box body, an operation panel is arranged on the box door, and an emergency stop button, a fan forward/backward rotation knob and a plurality of load gear switches are arranged on the operation panel;
the control circuit is electrically connected with the emergency stop button, the fan forward/reverse rotation knob and the load gear switches, the control circuit is provided with a plurality of electromagnetic relays, the electromagnetic relays are arranged on the first side of the back plate of the box body, and each electromagnetic relay is controlled to be switched on or switched off by the corresponding load gear switch;
the load circuit is provided with an access port and a plurality of groups of load resistors, the plurality of groups of load resistors are arranged on the second side of the back plate of the box body, the access port is arranged on the first side of the box body, the access port is electrically connected with one end of each electromagnetic relay, the other end of each electromagnetic relay is electrically connected with the corresponding group of load resistors, a digital display circuit meter is electrically connected in the load circuit, and a dial plate of the digital display circuit meter is embedded on the operation panel;
the heat dissipation fan is arranged on one side of the box body and communicated with the inside of the box body.
2. The load box of claim 1, wherein the heat dissipation fan is disposed in an inner cavity of one side of the box body, and a grid protection plate is disposed outside the inner cavity of the box body.
3. The load box of claim 2, wherein two sets of ventilation openings are formed in the side plate on the other side of the box body, and the two sets of ventilation openings are respectively formed in the upper portion and the lower portion of the side plate of the box body.
4. The load box of claim 1, wherein the bottom of the box body is provided with a plurality of universal wheels.
5. The load box of claim 1, wherein an operation indicator light is provided on the operation panel.
6. The load box according to claim 1, wherein said load resistor is composed of a plurality of resistor discs, a plurality of wiring mounting posts are disposed on a back plate of said box body, said wiring mounting posts are fixedly mounted on said back plate of said box body by means of fixing nuts disposed at the bottom, fixing sleeves are disposed at the middle portions of said wiring mounting posts, mounting nuts are disposed at the top portions of said wiring mounting posts, mounting holes are disposed on said resistor discs, said resistor discs are mounted on said wiring mounting posts through said mounting holes, and said resistor discs are sandwiched between said mounting nuts and said fixing sleeves.
CN202220845800.3U 2022-04-13 2022-04-13 Load box Active CN217278546U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220845800.3U CN217278546U (en) 2022-04-13 2022-04-13 Load box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220845800.3U CN217278546U (en) 2022-04-13 2022-04-13 Load box

Publications (1)

Publication Number Publication Date
CN217278546U true CN217278546U (en) 2022-08-23

Family

ID=82875097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220845800.3U Active CN217278546U (en) 2022-04-13 2022-04-13 Load box

Country Status (1)

Country Link
CN (1) CN217278546U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 411100 Yuhu District, Xiangtan City, Hunan Province, No. 199, Great Wall Xiangtan Shao Road, 4 7-10 facades of Zhongnan Agricultural Machinery and Electrical Market

Patentee after: Hunan Gubo Electromechanical Co.,Ltd.

Address before: 411100 Yuhu District, Xiangtan City, Hunan Province, No. 199, Great Wall Xiangtan Shao Road, 4 7-10 facades of Zhongnan Agricultural Machinery and Electrical Market

Patentee before: HUNAN SOLID BO ELECTROMECHANICAL CO.,LTD.

CP01 Change in the name or title of a patent holder