CN106785959A - A kind of compact electric power cabinet with high safety performance - Google Patents

Abstract

The invention discloses a compact power cabinet with high safety performance, which is used for distributing power from a power source to an electric load. The power distribution cabinet device includes a fixed cabinet body for installing power distribution devices, and the fixed cabinet A bearing is fixedly installed on the upper end of the cabinet, and a rotating motor is installed on the lower end of the fixed cabinet, and the bearing is on the same vertical plane as the rotating motor, and a pivot shaft is fixedly installed on the output shaft of the rotating motor. The upper end of the pivot shaft is rotatably installed in the bearing member, the pivot door is fixedly installed on the pivot shaft, the upper end of the pivot shaft is fixedly arranged on the bearing member and pivoted by the bearing member. Cylindrical cap body positioned in the direction.

Description

A compact power cabinet with high safety performance

technical field

The invention belongs to the technical field of electric equipment, and in particular relates to a compact electric cabinet with high safety performance.

Background technique

In the field of power distribution, it is often necessary to set up a power distribution cabinet to install various power distribution device components to complete the function of distributing power for various power loads. In the power distribution cabinet, some instrumentation and other devices are often arranged on the cabinet body cover, so as to display various power consumption parameters and operation signals for the operator when the power distribution cabinet is working. This is required to power these devices located on the cabinet lid. In order to ensure the safety of use and device maintenance, it is necessary to cut off the power for these cabinet covers when they are in the open state. In the prior art, some manual power-off methods are often used, which often cause troublesome operation and cause hidden dangers in operation. However, in some automatic power-off methods, because the contacts are on the door body, the electrical wiring occupies the space of the walking path of the cabinet cover, resulting in complicated wiring, and the contacts are easily exposed and easily accessible by the operator, which is not conducive to personal safety. Device security.

Contents of the invention

Purpose of the invention: The purpose of the invention is to solve the deficiencies in the prior art and provide a power cabinet with stable operation, high safety, compact structure and superior flame retardancy, acid and alkali resistance, mildew resistance and antibacterial performance.

Technical solution: A compact power cabinet with high safety performance according to the present invention, including a fixed cabinet for installing power distribution devices, the upper end of the fixed cabinet is fixedly equipped with bearings, and the lower end of the fixed cabinet is A rotating motor is installed, and the bearing member is on the same vertical plane as the rotating motor, a pivot shaft is fixedly installed on the output shaft of the rotating motor, and the upper end of the pivot shaft is rotatably installed in the bearing member, A pivoting door is fixedly installed on the pivoting shaft, and an active electrical device is installed on the pivoting door, and the rotating motor is used to drive the rotation of the pivoting shaft, thereby controlling the opening and closing of the pivoting door. The upper end of the pivot shaft is fixedly provided with a cylindrical cap positioned above the bearing and positioned axially by means of the bearing. The slot extending in the diameter direction of the slot, the power on and off operation slider is installed in sliding fit with the bottom side of the slot and the opposite side facades, and the power on and off operation slider is clamped on its inner side The elastic pressing spring between the end wall of the cap and the outer end thereof is radially outwardly biased against the inner contour surface of the inner contour shell fixedly connected with the fixed cabinet, the inner A protruding portion extending downwards is fixedly arranged on the top wall of the profile case cover, and a feed slider electrically connected to the power supply is slidably installed in the protruding portion through an elastic body, for making and breaking with the power supply. The power-receiving contacts in the upwardly extending operating arm on the electrically operated slider are electrically engaged, thereby realizing power supply to the electrical devices in the pivot door; wherein, the transverse direction of the inner contour surface of the inner contour shell cover The cross-sectional shape is an elliptical section, the cross-sectional shape of the outer surface of the inner shell cover is a circular section, and the ellipse corresponding to the elliptical section is concentric with the circle corresponding to the circular section, thus A thick-walled part and a thin-walled part are formed at intervals of 90 degrees, so as to operate the power-on and power-off operation slider to move and respectively make the pivot door power-on and power-off; the upper end surface of the upwardly extending operating arm is equipped with a roller, so The rollers abut against the lower end of the top wall of the inner profile shell cover, and the rollers can make the power-on and power-off operation slider run stably;

The outer surface of the fixed cabinet is provided with a protective coating, and the protective coating includes the following components in parts by mass:

16-20 parts of calcium hypochlorite, 12-16 parts of copper sulfate, 12-16 parts of polyhexamethylene guanidine, 10-14 parts of dimethylaminopropane, 16-20 parts of amino acid, 12-16 parts of aluminum oxide powder 10-14 parts of calcium carbonate, 16-20 parts of aluminum hydroxide powder, 12-16 parts of potassium fluoroaluminate, 10-14 parts of potassium fluorotitanate, 16-20 parts of glutathione, hydroxyethylidene diphosphine 12-16 parts of acid, 10-14 parts of urotropine.

Further, the outer end is a pointed end.

Further, when the pivoting door is in the closed state, the outer end of the on-off operation slider engages with the thick-walled part, so that the power receiving contact is electrically connected to the power feeding slider. engagement; when the pivot door is pivoted by 90 degrees from the closed state so that the pivot door is in the open state, the outer end portion of the on-off electric operation slider is in contact with the thin-walled portion engaged, thereby electrically disconnecting the power receiving contact from the power feeding slider.

Further, the protective coating includes the following components in parts by mass:

18-20 parts of calcium hypochlorite, 14-16 parts of copper sulfate, 14-16 parts of polyhexamethylene guanidine, 12-14 parts of dimethylaminopropane, 18-20 parts of amino acid, 14-16 parts of aluminum oxide powder 12-14 parts of calcium carbonate, 18-20 parts of aluminum hydroxide powder, 14-16 parts of potassium fluoroaluminate, 12-14 parts of potassium fluorotitanate, 18-20 parts of glutathione, hydroxyethylidene diphosphine 14-16 parts of acid, 12-14 parts of urotropine.

Further, the protective coating includes the following components in parts by mass:

Calcium hypochlorite 19 parts, copper sulfate 15 parts, polyhexamethylene guanidine 15 parts, dimethylaminopropane 13 parts, amino acid 19 parts, aluminum oxide powder 15 parts, calcium carbonate 13 parts, aluminum hydroxide powder 19 parts 15 parts, 15 parts of potassium fluoroaluminate, 13 parts of potassium fluorotitanate, 19 parts of glutathione, 15 parts of hydroxyethylidene diphosphonic acid, 13 parts of urotropine.

Beneficial effects: through the above solution, since the electrical contacts are arranged in the housing at the top of the pivot shaft, the electrical contacts can be arranged intensively and the electrical wiring is facilitated. Moreover, the shell cover is arranged on the axial position of the pivot shaft, so as not to interfere with the walking path of the cover body, and to avoid potential safety hazards such as collisions during use. By providing contacts that can be engaged and disconnected accordingly during the pivoting process, the power can be automatically cut off when the cabinet door is opened, preventing the hidden danger of misoperation. Therefore, the feed slider on the power supply side has a certain sliding margin, which can ensure that the electrical contacts can be tightly bonded and avoid electrical gaps. By setting the inner surface profile as an ellipse, a smooth wall thickness variation can be formed, so the slider can be operated to move so as to realize electrical engagement and disconnection, thereby forming a reliable operation structure. The electrical contacts of the whole device can avoid impact engagement and avoid long-distance sliding contact, thereby improving power supply safety performance and increasing the service life of the equipment.

Description of drawings

Fig. 1 is the overall structural representation of distribution cabinet of the present invention;

FIG. 2 is a schematic cross-sectional view at the position of the arrow in FIG. 1 .

detailed description

The present invention will be described in detail below in conjunction with FIGS. 1-2 .

According to the power distribution cabinet with stable operation according to the embodiment of the present invention, it is used to distribute power from the power source to the electric load. The power distribution cabinet device includes a fixed cabinet 9 for installing power distribution devices. The fixed cabinet The upper end of the body 9 is fixedly equipped with a bearing 92, and the lower end of the fixed cabinet body 9 is equipped with a rotating motor 90, and the bearing 92 and the rotating motor 90 are on the same vertical plane, and the output shaft of the rotating motor 90 is fixed A pivot shaft 91 is installed, and the upper end of the pivot shaft 91 is rotatably installed in the bearing member 92. A pivot door 99 is fixedly installed on the pivot shaft 91, and an active electrical device is installed on the pivot door 99. , the rotating motor 90 is used to drive the rotation of the pivot shaft 91, thereby controlling the opening and closing of the pivot door 99, the upper end of the pivot shaft 91 is fixedly positioned on the bearing member 92 and Bearing 92 and axially positioned cylindrical cap body 93, the cap body 93 is provided with a slot 930 open toward the outside and the top side and extending along the diameter direction of the cap body 93, the on-off operation slide The block 8 is installed in a sliding fit with the bottom side of the slot 930 and the opposite side facades, and the power on and off operation slider 8 is sandwiched between the inner side and the end wall 931 of the cap body 93 . The elastic pressing spring 932 in between makes its outer end 82 radially outwardly biased on the inner contour surface 79 of the inner contour cover 7 fixedly connected with the fixed cabinet body 9, the inner contour cover The top wall of 7 is fixedly provided with a protruding portion 71 extending downwards, and a feed slider 72 electrically connected to the power supply is slidably installed in the protruding portion 71 through an elastic body 73 for connecting with the The power receiving contact 811 in the upwardly extending operating arm 81 on the on-off power operation slider 8 is electrically engaged, thereby realizing power supply to the electrical devices in the pivot door 99; wherein, the inner contour cover 7 The cross-sectional shape of the inner contour surface 79 is an elliptical section, the cross-sectional shape of the outer surface of the inner contour shell cover 7 is a circular section, and the ellipse corresponding to the elliptical section and the circular section The circle corresponding to the section is concentric, thereby forming a thick-walled part 711 and a thin-walled part 712 at intervals of 90 degrees, so as to operate the power-on and power-off operation slider 8 to move so that the pivot door 99 is energized and de-energized respectively; A roller 812 is installed on the upper surface of the upwardly extending operating arm 81, and the roller 812 is against the lower end of the top wall of the inner shell cover 7, and the roller 812 can make the power on and off operation slider 8 run stably .

Exemplarily, the outer end 82 may be a pointed end.

According to the embodiment, in the method of using the above-mentioned power distribution cabinet device, when the pivot door 99 is in the closed state, the outer end portion 82 of the power on/off operation slider 8 engages with the thick-walled portion 711 , So that the power receiving contact 811 is electrically engaged with the feeding slider 72; when the pivot door 99 is pivoted 90 degrees from the closed state so that the pivot door 99 is in the open state, the The outer end portion 82 of the power on/off operation slider 8 engages with the thin wall portion 712 , so that the power receiving contact 811 is electrically disconnected from the power feeding slider 72 .

The outer surface of the fixed cabinet 9 is provided with a protective coating, and the protective coating includes the following components in parts by mass:

16-20 parts of calcium hypochlorite, 12-16 parts of copper sulfate, 12-16 parts of polyhexamethylene guanidine, 10-14 parts of dimethylaminopropane, 16-20 parts of amino acid, 12-16 parts of aluminum oxide powder 10-14 parts of calcium carbonate, 16-20 parts of aluminum hydroxide powder, 12-16 parts of potassium fluoroaluminate, 10-14 parts of potassium fluorotitanate, 16-20 parts of glutathione, hydroxyethylidene diphosphine 12-16 parts of acid, 10-14 parts of urotropine.

Further, the protective coating includes the following components in parts by mass:

18-20 parts of calcium hypochlorite, 14-16 parts of copper sulfate, 14-16 parts of polyhexamethylene guanidine, 12-14 parts of dimethylaminopropane, 18-20 parts of amino acid, 14-16 parts of aluminum oxide powder 12-14 parts of calcium carbonate, 18-20 parts of aluminum hydroxide powder, 14-16 parts of potassium fluoroaluminate, 12-14 parts of potassium fluorotitanate, 18-20 parts of glutathione, hydroxyethylidene diphosphine 14-16 parts of acid, 12-14 parts of urotropine.

Further, the protective coating includes the following components in parts by mass:

Calcium hypochlorite 19 parts, copper sulfate 15 parts, polyhexamethylene guanidine 15 parts, dimethylaminopropane 13 parts, amino acid 19 parts, aluminum oxide powder 15 parts, calcium carbonate 13 parts, aluminum hydroxide powder 19 parts 15 parts, 15 parts of potassium fluoroaluminate, 13 parts of potassium fluorotitanate, 19 parts of glutathione, 15 parts of hydroxyethylidene diphosphonic acid, 13 parts of urotropine.

Since the electrical contacts are arranged in the housing at the top of the pivot shaft, the electrical contacts can be intensively arranged and the electrical wiring is facilitated. Moreover, the shell cover is arranged on the axial position of the pivot shaft, so as not to interfere with the walking path of the cover body, and to avoid potential safety hazards such as collisions during use. By providing contacts that can be engaged and disconnected accordingly during the pivoting process, the power can be automatically cut off when the door of the cabinet is opened, preventing the hidden danger of misoperation. Therefore, the feed slider on the power supply side has a certain sliding margin, which can ensure that the electrical contacts can be tightly bonded and avoid electrical gaps. By providing an elliptical inner surface profile, a smooth wall thickness variation can be formed, so that the sliding block can be operated to realize electrical engagement and disconnection, thereby forming a reliable operation structure. The electrical contacts of the entire unit are capable of avoiding impact engagement and avoiding sliding contact over long distances.

It will be clear to those skilled in the art that various modifications to the above embodiments can be made without departing from the general spirit and concept of the present invention. They all fall within the protection scope of the present invention. The protection scheme of the present invention shall be based on the appended claims of the present invention.

Claims (5)

1. A compact power cabinet with high safety performance, characterized in that it includes a fixed cabinet (9) for installing power distribution devices, and a bearing (92) is fixedly installed on the upper end of the fixed cabinet (9) , the lower end of the fixed cabinet (9) is equipped with a rotating motor (90), and the bearing (92) is on the same vertical plane as the rotating motor (90), and the output shaft of the rotating motor (90) A pivot shaft (91) is fixedly installed, the upper end of the pivot shaft (91) is rotatably installed in the bearing member (92), a pivot door (99) is fixedly installed on the pivot shaft (91), and The pivot door (99) is equipped with useful electrical components, and the rotation motor (90) is used to drive the rotation of the pivot shaft (91), thereby controlling the opening and closing of the pivot door (99). The upper end of the rotating shaft (91) is fixedly provided with a cylindrical cap (93) located above the bearing (92) and positioned axially by means of the bearing (92). In the cap (93) There is a slot (930) open towards the outside and the top side and extending along the diameter direction of the cap body (93), the power on and off operation slider (8) is opposite to the bottom side of the slot (930) The facades on both sides are installed in a sliding fit, and the on-off operation slider (8) is clamped between its inner side and the end wall (931) of the cap body (93) by means of an elastic pressing spring (932) so that its outer end (82) is biased radially outward on the inner contour surface (79) of the inner contour shell cover (7) fixedly connected with the fixed cabinet (9), the inner A protruding portion (71) extending downwards is fixedly arranged on the top wall of the contoured case cover (7), and a device electrically connected to the power supply is slidably installed in the protruding portion (71) through an elastic body (73). The feeder slider (72) is used to electrically engage with the power receiving contact (811) in the upwardly extending operating arm (81) on the on-off operation slider (8), so as to realize the pivoting The electric device in the door (99) supplies power; wherein, the cross-sectional shape of the inner contour surface (79) of the inner contour shell cover (7) is an elliptical shape segment, and the inner contour shell cover (7) The cross-sectional shape of the outer surface is a circular segment, and the ellipse corresponding to the elliptical segment is concentric with the circle corresponding to the circular segment, thereby forming a thick-walled part (711) and a thin-walled part at intervals of 90 degrees (712), so as to operate the power on and off operation slider (8) to move so as to respectively make the pivot door (99) power on and off; the upper end surface of the upwardly extending operating arm (81) is equipped with rollers ( 812), the roller (812) abuts against the lower end of the top wall of the inner contour cover (7), and the roller (812) can make the power on and off operation slider (8) run stably; The outer surface of the fixed cabinet (9) is provided with a protective coating, and the protective coating includes the following components in parts by mass: 16-20 parts of calcium hypochlorite, 12-16 parts of copper sulfate, 12-16 parts of polyhexamethylene guanidine, 10-14 parts of dimethylaminopropane, 16-20 parts of amino acid, 12-16 parts of aluminum oxide powder 10-14 parts of calcium carbonate, 16-20 parts of aluminum hydroxide powder, 12-16 parts of potassium fluoroaluminate, 10-14 parts of potassium fluorotitanate, 16-20 parts of glutathione, hydroxyethylidene diphosphine 12-16 parts of acid, 10-14 parts of urotropine. 2. A compact power cabinet with high safety performance according to claim 1, characterized in that: the outer end (82) is a pointed end. 3. A compact power cabinet with high safety performance according to claim 1, characterized in that: when the pivot door (99) is in the closed state, the power on and off operation slider (8) The outer end portion (82) of is engaged with the thick wall portion (711), so that the power receiving contact (811) is electrically engaged with the feed slider (72); when the pivoting door (99 ) is pivoted 90 degrees from the closed state so that the pivot door (99) is in the open state, the outer end (82) of the power on/off operation slider (8) is in contact with the thin The wall portion (712) engages, thereby electrically disconnecting the power receiving contact (811) from the power feeding slider (72). 4. A compact power cabinet with high safety performance according to claim 1, characterized in that: the protective coating comprises the following components in parts by mass: 18-20 parts of calcium hypochlorite, 14-16 parts of copper sulfate, 14-16 parts of polyhexamethylene guanidine, 12-14 parts of dimethylaminopropane, 18-20 parts of amino acid, 14-16 parts of aluminum oxide powder 12-14 parts of calcium carbonate, 18-20 parts of aluminum hydroxide powder, 14-16 parts of potassium fluoroaluminate, 12-14 parts of potassium fluorotitanate, 18-20 parts of glutathione, hydroxyethylidene diphosphine 14-16 parts of acid, 12-14 parts of urotropine. 5. A compact power cabinet with high safety performance according to claim 1, characterized in that: the protective coating comprises the following components in parts by mass: Calcium hypochlorite 19 parts, copper sulfate 15 parts, polyhexamethylene guanidine 15 parts, dimethylaminopropane 13 parts, amino acid 19 parts, aluminum oxide powder 15 parts, calcium carbonate 13 parts, aluminum hydroxide powder 19 parts 15 parts, 15 parts of potassium fluoroaluminate, 13 parts of potassium fluorotitanate, 19 parts of glutathione, 15 parts of hydroxyethylidene diphosphonic acid, 13 parts of urotropine.