CN204858314U - A power distribution box - Google Patents

Abstract

The utility model relates to a power distribution box, it includes the box, box inside is equipped with the inlet wire module, be qualified for the next round of competitions three -phase return circuit module and measuring instrument, the three -phase return circuit module of being qualified for the next round of competitions include moulded case circuit breaker and with moulded case circuit breaker goes out the terminal of line connection, and the cable junction that is qualified for the next round of competitions arrives on the terminal, the measuring instrument is used for electric energy measurement and the monitoring of block terminal electric parameter, the inlet wire module is including two power automatic transfer switch, two power automatic transfer switch are used for the power service entrance switch. The utility model discloses a power distribution box is inside to have set up intelligent dual power transfer switch and multi -functional measuring instrument, has realized measurement and control to the power consumption, provide simultaneously distribution system and on the spot with the control and the management function of the multinomial electric parameter in a distant place.

Description

A power distribution box

technical field

The utility model belongs to the field of electric equipment, in particular to a power distribution box, in particular to an outdoor power distribution box for a substation.

Background technique

Distribution box is assembled in closed or semiclosed metal safe by electrical wiring requirement by switchgear, measuring instrument, protective device and auxiliary equipment or on screen width to form low-voltage power distribution device, is the final equipment of power distribution system, is divided into. There are two types of power distribution box and lighting distribution box. The power distribution box can connect or break the circuit with the help of manual or automatic switch during normal operation, and cut off the circuit or alarm with the help of protective electrical appliances in case of failure or abnormal operation, and can display various parameters in operation by means of measuring instruments. Adjust some electrical parameters to prompt or send out signals for deviations from normal working conditions.

The outdoor power distribution boxes commonly used in substations have the following defects: the protection level of the commonly used power distribution boxes is low, the operation and maintenance are complicated, and it is difficult to realize the real-time monitoring function. Therefore, there is a need for a power distribution box, which should have a structure with a high protection level, can realize an intelligent monitoring unit, greatly improves the performance of the product, and can meet the actual needs of the substation.

Utility model content

In order to solve the above technical problems, the utility model provides a power distribution box with high protection level, which adopts an intelligent dual power supply switch, and can realize real-time monitoring, and improves the performance of the power distribution box.

In order to achieve the above object, the technical scheme of the utility model is as follows:

A power distribution box, which includes a box body, an incoming line module, an outgoing line three-phase circuit module and a monitoring instrument are arranged inside the box body, and the outgoing line three-phase circuit module includes a molded case circuit breaker and a molded case circuit breaker. The terminal for the outlet connection of the circuit breaker, and the outlet cable is connected to the terminal; the monitoring instrument is used for electric energy metering and electrical parameter monitoring of the distribution box; the incoming line module includes a dual power supply automatic transfer switch, and the dual power supply automatic transfer switch The switch is used for power incoming switch.

In a preferred embodiment of the present utility model, it further includes that the outer frame of the box is provided with a door, the outer frame of the box is provided with waterproof flanging, and the surroundings of the box door are provided with waterproof An adhesive strip, the waterproof adhesive strip fills the gap between the waterproof flange and the box door.

In a preferred embodiment of the present invention, it further includes that the box door is connected to the outer frame of the box body through a hinge.

In a preferred embodiment of the present invention, it further includes that the top of the box is provided with a ridge-shaped top cover, and a circulation space for airflow is provided between the top cover and the box, and the top of the box is A fan is provided in the middle of the box, and the airflow inside the box is pumped into the circulation space by the fan, and then the airflow flows out through the air outlet between the top cover and the box.

In a preferred embodiment of the present invention, it further includes that the air outlet is arranged on both sides of the box body, and the air outlet is provided with a detachable dust-proof filter.

In a preferred embodiment of the present invention, it further includes that the inside of the box is also provided with a temperature sensor, and the temperature sensor transmits the temperature monitored in real time inside the box to the control system to adjust the temperature inside the box in real time. temperature.

In a preferred embodiment of the present invention, it further includes that a humidity sensor is provided inside the box, and the humidity sensor transmits the real-time monitored humidity inside the box to the control system to adjust the humidity inside the box in real time. humidity.

The beneficial effects of the utility model are:

First, the power distribution box of the utility model is equipped with an intelligent dual power supply switch and a multi-functional monitoring instrument, which realizes the measurement and monitoring of power consumption, and at the same time provides a power distribution system and multiple local and remote Monitoring and management functions of electrical parameters.

Second, the power distribution box of the utility model has good structural strength, good water resistance, high protection level, and is convenient for operation and maintenance.

Third, the combination of the box body and the top cover of the utility model has good heat dissipation and circulation performance, and it is used in conjunction with a dust-proof filter to prevent external pollutants from entering the box body and affecting the service life of each device inside the box body .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiment technology of the present invention, the accompanying drawings that need to be used in the technical description of the embodiment will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the embodiment of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic diagram of the internal structure of the box of the utility model.

Fig. 2 is a schematic diagram of the utility model box door waterproof structure.

Fig. 3 is a schematic diagram of the structure of air flow at the top of the box body of the present invention.

Among them, 1-box, 10-outer frame of the box, 101-waterproof flange, 11-outlet three-phase circuit module, 111-molded case circuit breaker, 112-terminal, 12-monitoring instrument, 13-temperature sensor, 14-Dual power automatic transfer switch, 15-Humidity sensor, 2-Door, 3-Hinge, 4-Waterproof strip, 5-Top cover, 51-Circulation space, 6-Fan, 7-Dust filter.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example

As shown in Fig. 1, a power distribution box is disclosed in this embodiment, which includes a box body 1. The inside of the box body 1 is provided with an incoming line module, an outgoing line three-phase circuit module 11, and a monitoring instrument 12. The above-mentioned outgoing line three-phase The phase loop module 11 includes a molded case circuit breaker and a terminal 112 connected to the outgoing line of the above molded case circuit breaker 111, and the outgoing cable is connected to the above terminal 112; the above-mentioned monitoring instrument 12 is used for electric energy measurement and electrical parameter monitoring of the distribution box; the above-mentioned The incoming line module includes a dual power supply automatic transfer switch 14, which is used for a power incoming line switch.

In this embodiment, intelligent dual power supply transfer switch 14 is used to realize the automatic conversion of the power supply of the dual-circuit power supply system, which ensures the reliability of power supply, and the dual power supply automatic transfer switch 14 has perfect detection and protection functions, and adopts high-speed single-chip embedded micro-processing As the main control chip, the device monitors the power supply status of the power supply in real time to ensure the reliable operation of the power supply system. Its application improves the reliability of the entire power distribution box. The dual-power automatic transfer switch in this embodiment has functions such as manual control, automatic switching, normal power supply, and re-switching after power failure, which can prevent the faulty power supply from supplying power to the load.

The monitoring instrument 12 adopted in this embodiment adopts a multi-functional detection instrument to measure data such as three-phase voltage and three-phase current, electric degree, power factor, etc., and can monitor each data in real time in the working state of the distribution box to avoid abnormalities .

In order to monitor the temperature and humidity inside the above-mentioned box body 1 in real time, a temperature sensor 13 is also provided inside the above-mentioned box body, and the above-mentioned temperature sensor 13 transmits the temperature monitored in real time inside the box body 1 to the control system to adjust the box body 1 in real time. internal temperature. The inside of the box 1 is also provided with a humidity sensor 15, and the humidity sensor 15 transmits the real-time monitored humidity inside the box 1 to the control system to adjust the humidity inside the box 1 in real time.

The distribution box of the utility model also improves its protection level in terms of structural design. The box body 1 can be made of stainless steel plate, which has high strength and high corrosion resistance. The outer frame of the box body 1 is provided with a box door 2, such as As shown in Fig. 2, the above-mentioned box door 2 is connected with the outer frame 10 of the box body through the hinge 3, and the outer frame 10 of the above-mentioned box body is provided with a waterproof flange 101, and waterproof rubber strips 4 are arranged around the above-mentioned box door, and the above-mentioned waterproof The rubber strip 4 fills the gap between the above-mentioned waterproof flange 101 and the box door 2 . The waterproof adhesive strip 4 strengthens the waterproof airtightness of the box door 2, and prevents water from entering the inside of the box body 1, causing serious harm.

Because the distribution box of the present utility model is mainly used outdoors, in order to be better waterproof, as shown in Figure 3, the top of the above-mentioned box is provided with a roof-shaped top cover 5, and the top cover 5 includes two slopes, so that the falling The rainwater on the top cover 5 slides down.

An airflow circulation space 51 is provided between the top cover 5 and the above-mentioned box body 1, and a fan is provided at the middle position of the top of the above-mentioned box body. It flows out through the air outlet between the top cover 5 and the above-mentioned box body 1 . The above-mentioned air outlet is arranged on both sides of the above-mentioned box body 1 , and a detachable dust-proof filter screen 7 is arranged on the above-mentioned air outlet.

The dust-proof filter 7 has a minimum mesh size of 0.2mm, which can effectively prevent debris with a particle size larger than 0.2mm from entering the cabinet. The above-mentioned fan can ensure normal air circulation inside the cabinet 1 and has good heat dissipation. performance.

The power distribution box of the utility model is equipped with an intelligent dual power supply conversion switch and a multi-functional monitoring instrument, which realizes the measurement and monitoring of the power consumption, and provides information on the power distribution system and multiple local and remote electrical parameters. Monitoring and management functions. Moreover, the power distribution box body of the utility model has good structural strength, good water resistance, high protection level, and is convenient for operation and maintenance.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A power distribution box, which includes a box body, and the inside of the box body is provided with an incoming line module, an outgoing line three-phase circuit module and a monitoring instrument, and the outgoing line three-phase circuit module includes a molded case circuit breaker and the The outlet connection terminal of the molded case circuit breaker, the outlet cable is connected to the terminal; the monitoring instrument is used for electric energy measurement and electrical parameter monitoring of the distribution box; it is characterized in that the incoming line module includes a dual power supply automatic transfer switch, The double power automatic transfer switch is used for the power incoming switch. 2. A power distribution box according to claim 1, characterized in that, the outer frame of the box is provided with a door, the outer frame of the box is provided with waterproof flanges, and the box Waterproof adhesive strips are arranged around the door, and the waterproof adhesive strips fill the gap between the waterproof flange and the box door. 3 . The power distribution box according to claim 2 , wherein the box door is connected to the outer frame of the box body through a hinge. 4 . 4. A power distribution box according to claim 1, characterized in that, the top of the box is provided with a ridge-shaped top cover, and a circulation space for air flow is provided between the top cover and the box body , the middle position of the top of the box is provided with a fan, through which the airflow inside the box is pumped into the circulation space, and the airflow flows out through the air outlet between the top cover and the box . 5 . The power distribution box according to claim 4 , wherein the air outlet is arranged on both sides of the box body, and a detachable dust-proof filter is provided on the air outlet. 6 . 6. A power distribution box according to claim 1, characterized in that a temperature sensor is also provided inside the box, and the temperature sensor transmits the temperature monitored in real time inside the box to the control system to Adjust the temperature inside the box in real time. 7. A power distribution box according to claim 6, characterized in that a humidity sensor is also provided inside the box, and the humidity sensor transmits the real-time monitored humidity inside the box to the control system to Adjust the humidity inside the box in real time.