CN218005549U - Portable explosion-proof maintenance power distribution box - Google Patents
Portable explosion-proof maintenance power distribution box Download PDFInfo
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- CN218005549U CN218005549U CN202221857589.3U CN202221857589U CN218005549U CN 218005549 U CN218005549 U CN 218005549U CN 202221857589 U CN202221857589 U CN 202221857589U CN 218005549 U CN218005549 U CN 218005549U
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Abstract
The utility model discloses a mobile explosion-proof maintenance power distribution box, which comprises a main switch control box, a first control box, a button, an indicating lamp box, a second control box, a first junction box, a wire inlet box and a second junction box, wherein the main switch control box, the first control box, the button and the indicating lamp box are arranged on a trolley through a bracket; the main switch control box is provided with a main switch, and the first control box is provided with a first circuit breaker, a second circuit breaker and a motor protector; a third circuit breaker and a fourth circuit breaker are arranged on the second control box; the first junction box is provided with a first joint and a second joint; a third connector and a fourth connector are arranged on the second junction box; the bottom of the wire inlet box is provided with a wire inlet interface; this block terminal carries out the functional partitioning setting according to different equipment distribution needs, and convenient the connection, application scope is wide, removes through the shallow, and it is nimble convenient to use, and the practicality is strong, easy operation, be convenient for wiring, input cost are low, the operation is reliable.
Description
Technical Field
The utility model relates to an overhaul power distribution technology field, concretely relates to portable explosion-proof maintenance power distribution box.
Background
In recent years, electrical equipment is more and more commonly applied, and with the increase of the electrical equipment, particularly in explosion-proof places of chemical enterprises, when maintenance work is carried out, a submersible pump, an electric welding machine and other handheld electric tools are often used; the power supply requirement of the equipment is high, if the power of the submersible pump is high, overload protection and underload protection are usually needed, otherwise, the motor of the submersible pump is easily burnt; but when overhauing the operation, the maintenance position is not fixed every time, and the scene lacks the special block terminal to above-mentioned equipment, has increased the degree of difficulty for maintenance work, has reduced the efficiency of overhauing.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a movable explosion-proof maintenance power distribution box, which comprises a main switch control box, a first control box, a button and an indicating lamp box, a second control box, a first junction box, a wire inlet box and a second junction box, wherein the main switch control box, the first control box, the button and the indicating lamp box are arranged on a cart through a bracket; the first junction box, the wire inlet box and the second junction box are positioned in the same row, the first control box is positioned at the top of the first junction box, the button and the indicating lamp box are positioned at the top of the wire inlet box, the second control box is positioned at the top of the second junction box, and the main switch control box is positioned at the top of the button and the indicating lamp box;
the main switch control box is provided with a main switch, and the first control box is provided with a first circuit breaker, a second circuit breaker and a motor protector; a third breaker and a fourth breaker are arranged on the second control box; the first junction box is provided with a first joint and a second joint; a third connector and a fourth connector are arranged on the second junction box; the bottom of the wire inlet box is provided with a wire inlet interface;
the inlet wire interface is connected with three-phase alternating current, the rear end of the inlet wire interface is connected with a main switch, and the rear end output of the main switch is connected with the input of a first breaker, a second breaker, a third breaker and a fourth breaker; the output of the breaker I is connected with the first connector through the motor protector; the output of the second breaker is connected with a second connector; the output of the breaker III is connected with a connector III; and the output of the breaker IV is connected with a connector IV through a step-down transformer.
Preferably, the bottom of the first junction box is provided with a communication interface and an output interface; and the communication interface and the output interface are respectively connected with the motor protector.
Preferably, two radial wheels are installed at the bottom of the front end of the trolley, and two steering wheels are installed at the bottom of the rear end of the trolley.
Preferably, labels are arranged below the first joint, the second joint, the third joint and the fourth joint.
Preferably, the main switch control box, the first control box, the button and indication lamp box, the second control box, the wire inlet box and the second junction box are all made of cast aluminum alloy, and the surface of the main switch control box, the first control box, the button and indication lamp box, the second control box, the wire inlet box and the second junction box are sprayed with plastic.
Preferably, the button and the indicating lamp box are provided with indicating lamps HR1, HY1 and HG1 and buttons SF1 and SS1; three groups of normally open contacts of an alternating current contactor KM1 are also connected in series between the first breaker and the motor protector; the button SS1, the button SF1, a fault closing point of the motor protector and a coil of the alternating current contactor KM1 are sequentially connected in series and then connected into a 220V alternating current power supply, and two ends of a fourth group of normally open contacts of the alternating current contactor KM1 are connected with two ends of the button SF1 in parallel; the fault starting point of the motor protector is connected with an indicator lamp HY1 in series and then is connected with a 220V alternating-current power supply; a fifth group of normally open contacts of the alternating current contactor KM1 is connected with an indicator lamp HR1 in series and is connected with a 220V alternating current power supply; a group of normally closed contacts of the alternating current contactor KM1 is connected with an indicator lamp HG1 in series to be connected into a 220V alternating current power supply.
Compared with the prior art, the utility model, following beneficial effect has:
the distribution box is divided into functions according to the distribution needs of different equipment, is convenient to connect, has a wide application range, is moved by a cart, is flexible and convenient to use, has strong practicability, is simple to operate, is convenient to wire, has low investment cost and is reliable to operate; the maintenance equipment can be supplied and distributed with power on the premise of not changing the existing electrical equipment, and flexible maintenance operation is realized; the block terminal provides special protection control circuit for the immersible pump, avoids immersible pump electrical protection imperfectly to cause the immersible pump frequently to burn out, has practiced thrift the running cost for the enterprise, improves the performance of enterprises.
Drawings
FIG. 1 is a structural view of a mobile explosion-proof power distribution box of the present invention;
FIG. 2 is a wiring diagram of the motor protector of the movable explosion-proof power distribution box of the utility model;
fig. 3 is an electrical wiring diagram of the mobile explosion-proof power distribution box of the utility model;
in the figure: the main switch control box 1, the main switch 2, the motor protector 3, the first control box 4, the button and indication lamp box 5, the second control box 6, the first breaker 7, the second breaker 8, the third breaker 9, the fourth breaker 10, the first junction box 11, the first connector 12, the second connector 13, the third connector 14, the fourth connector 15, the communication interface 16, the output interface 17, the wire inlet box 18, the wire inlet interface 19, the second junction box 20, the label 21, the cart 22, the radial wheel 23, the steering wheel 24 and the step-down transformer 25.
Detailed Description
The drawings in the embodiments of the present invention will be combined; to the technical scheme in the embodiment of the utility model, clearly, describe completely:
as shown in fig. 1-3, in an embodiment of the present invention, a mobile explosion-proof power distribution box comprises a main switch control box 1, a first control box 4, a button and indicator light box 5, a second control box 6, a first junction box 11, a wire inlet box 18, and a second junction box 20, which are mounted on a cart through a bracket; the first junction box 11, the wire inlet box 18 and the second junction box 20 are positioned in the same row, the first control box 4 is positioned at the top of the first junction box 11, the button and indicating lamp box 5 is positioned at the top of the wire inlet box 18, the second control box 6 is positioned at the top of the second junction box 20, and the main switch control box 1 is positioned at the top of the button and indicating lamp box 5;
a main switch 2 is installed on the main switch control box 1, and a first breaker 7, a second breaker 8 and a motor protector 3 (a motor protector) are installed on the first control box 4; the second control box 6 is provided with a third breaker 9 and a fourth breaker 10; the first junction box 11 is provided with a first joint 12 and a second joint 13; the second junction box 20 is provided with a third joint 14 and a fourth joint 15; the bottom of the wire inlet box 18 is provided with a wire inlet interface 19;
the incoming line interface 19 is connected with three-phase alternating current (U \ V \ W \ N \ PE), the rear end of the incoming line interface 19 is connected with the main switch 2, and the rear end output of the main switch 2 is connected with the input of the first breaker 7, the second breaker 8, the third breaker 9 and the fourth breaker 10; the output of the breaker I7 is connected with a connector I12 through the motor protector 3 and is used for supplying power to the submersible pump; the output of the second breaker 8 is connected with a second connector 13 for supplying power to the single-phase handheld electric tool; the circuit breaker III 9 outputs a joint III 14 for supplying power for spot welding; the output of the breaker IV 10 is connected with the connector IV 15 through a step-down transformer 25, and the breaker IV is used for providing a 24V direct-current safety power supply, so that the safety voltage can be used in a limited space, and the safety of operating personnel can be guaranteed.
Specifically, the bottom of the first junction box 11 is provided with a communication interface 16 and an output interface 17; the communication interface 16 and the output interface 17 (4-20 mA) are respectively connected with the motor protector 3. The state of the submersible pump is conveniently monitored through an external terminal.
Specifically, for moving and steering, two radial wheels 23 are mounted at the bottom of the front end of the cart 22, and two steering wheels 24 are mounted at the bottom of the rear end of the cart.
Specifically, in order to facilitate wiring, labels are arranged below the first joint 12, the second joint 13, the third joint 14 and the fourth joint 15; for indicating the voltage signal of the corresponding output of each interface.
Specifically, in order to meet the explosion-proof requirement, the main switch control box 1, the first control box 4, the button and indication lamp box 5, the second control box 6, the inlet box 18 and the second junction box 20 are all made of cast aluminum alloy, and the surfaces of the main switch control box, the first control box, the button and indication lamp box and the second junction box are sprayed with plastic; the first connector 12, the second connector 13, the third connector 14 and the fourth connector 15 adopt explosion-proof plug heads.
In a specific embodiment of the present invention, the button and indication lamp box 5 is provided with indication lamps HR1, HY1, HG1, buttons SF1, SS1; in addition, a main switch indicator light and other circuit breaker closed power-on indicator lights are arranged, so that observation is facilitated; three groups of normally open contacts of an alternating current contactor KM1 are also connected in series between the first breaker 7 and the motor protector 3; the button SS1, the button SF1, fault closing points (7 ends and 6 ends) of the motor protector 3 and coils of the alternating current contactor KM1 are sequentially connected in series and then connected into a 220V alternating current power supply, and two ends of a fourth group of normally open contacts of the alternating current contactor KM1 are connected with two ends of the button SF1 in parallel; the control of starting and stopping the submersible pump is realized; fault opening points (8 end and 9 end) of the motor protector 3 are connected with an indicator light HY1 in series and then connected with a 220V alternating-current power supply, and HY1 is lightened to indicate that a fault occurs; a fifth group of normally open contacts of the alternating current contactor KM1 is connected with an indicator lamp HR1 in series and is connected with a 220V alternating current power supply; the device is used for indicating the operation of the submersible pump; a group of normally closed contacts of the alternating current contactor KM1 is connected with an indicator lamp HG1 in series to be connected into a 220V alternating current power supply for indicating stop of the submersible pump.
When the device is operated specifically, the device is moved to a specified maintenance position, a three-phase power line is connected with the incoming line interface 19, related maintenance equipment is connected as required, the main switch 2 is opened, the circuit breakers connected in series with the corresponding interfaces are started, the maintenance equipment is switched on, and related maintenance operation is carried out; if the submersible pump needs to be controlled, firstly, the first breaker 7 is closed, the button SF1 is pressed, the coil of the alternating current contactor KM1 is electrified, the submersible pump is electrified and runs, the indicator lamp HR1 runs for indication, the motor protector 3 monitors the submersible pump, if overload or underload occurs, the fault opening point of the motor protector 3 is closed, HY1 prompts a fault, the fault closing point of the motor protector 3 is disconnected, the coil of the alternating current contactor KM1 is powered off, and the submersible pump stops; when manual shutdown is needed, the button SS1 is pressed, the coil of the alternating current contactor KM1 is powered off, the submersible pump is shut down, and the indicator lamp HG1 stops indicating.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts should be covered by the protection scope of the present invention.
Claims (6)
1. A movable explosion-proof maintenance power distribution box comprises a main switch control box, a first control box, a button, an indicating lamp box, a second control box, a first junction box, a wire inlet box and a second junction box, wherein the main switch control box, the first control box, the button and the indicating lamp box are arranged on a trolley through a support; the method is characterized in that: the first junction box, the wire inlet box and the second junction box are positioned in the same row, the first control box is positioned at the top of the first junction box, the button and the indicating lamp box are positioned at the top of the wire inlet box, the second control box is positioned at the top of the second junction box, and the main switch control box is positioned at the top of the button and the indicating lamp box;
a main switch is installed on the main switch control box, and a first breaker, a second breaker and a motor protector are installed on the first control box; a third circuit breaker and a fourth circuit breaker are arranged on the second control box; the first junction box is provided with a first joint and a second joint; a third connector and a fourth connector are arranged on the second junction box; the bottom of the wire inlet box is provided with a wire inlet interface;
the inlet wire interface is connected with three-phase alternating current, the rear end of the inlet wire interface is connected with a main switch, and the rear end output of the main switch is connected with the input of a first breaker, a second breaker, a third breaker and a fourth breaker; the output of the breaker I is connected with the first connector through the motor protector; the output of the second breaker is connected with a second connector; the output of the breaker III is connected with a connector III; and the output of the breaker IV is connected with a connector IV through a step-down transformer.
2. The mobile explosion-proof power distribution box of claim 1, characterized in that: the bottom of the first junction box is provided with a communication interface and an output interface; the communication interface and the output interface are respectively connected with the motor protector.
3. The mobile explosion-proof power distribution box of claim 1, characterized in that: two radial wheels are installed at the bottom of the front end of the cart, and two steering wheels are installed at the bottom of the rear end of the cart.
4. The mobile explosion-proof power distribution box of claim 1, characterized in that: and labels are arranged below the first joint, the second joint, the third joint and the fourth joint.
5. The mobile explosion-proof power distribution box of claim 1, characterized in that: the main switch control box, the first control box, the button, the indicating lamp box, the second control box, the wire inlet box and the second junction box are all made of cast aluminum alloy, and the surface of the main switch control box, the first control box, the button, the indicating lamp box, the second control box, the wire inlet box and the second junction box are sprayed with plastic.
6. The mobile explosion-proof power distribution box of claim 1, characterized in that: the button and the indicating lamp box are provided with indicating lamps HR1, HY1 and HG1 and buttons SF1 and SS1; three groups of normally open contacts of an alternating current contactor KM1 are also connected in series between the first breaker and the motor protector; the button SS1, the button SF1, a fault closing point of the motor protector and an alternating current contactor KM1 coil are sequentially connected in series and then are connected to a 220V alternating current power supply, and two ends of a fourth group of normally open contacts of the alternating current contactor KM1 are connected with two ends of the button SF1 in parallel; the fault opening point of the motor protector is connected with an indicator light HY1 in series and then is connected with a 220V alternating-current power supply; a fifth group of normally open contacts of the alternating current contactor KM1 is connected with an indicator lamp HR1 in series and is connected with a 220V alternating current power supply; a group of normally closed contacts of the alternating current contactor KM1 is connected with an indicator lamp HG1 in series to be connected with a 220V alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857589.3U CN218005549U (en) | 2022-07-19 | 2022-07-19 | Portable explosion-proof maintenance power distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857589.3U CN218005549U (en) | 2022-07-19 | 2022-07-19 | Portable explosion-proof maintenance power distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005549U true CN218005549U (en) | 2022-12-09 |
Family
ID=84316102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221857589.3U Active CN218005549U (en) | 2022-07-19 | 2022-07-19 | Portable explosion-proof maintenance power distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218005549U (en) |
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2022
- 2022-07-19 CN CN202221857589.3U patent/CN218005549U/en active Active
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