CN209948512U

CN209948512U - Vertical compact box-type substation

Info

Publication number: CN209948512U
Application number: CN201921110623.9U
Authority: CN
Inventors: 陈康; 游波; 黄志文; 文章; 李林; 彭丽华
Original assignee: Huaxiang Xiangneng Electric Co Ltd
Current assignee: Huaxiang Xiangneng Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-01-14
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a vertical compact box-type substation, which comprises a box body, wherein the box body is cuboid; the box body comprises a bottom wall and a top wall which are oppositely arranged; a first partition plate and a second partition plate which are parallel to the bottom wall are further arranged in the box body, and the first partition plate is positioned above the second partition plate; the first partition plate and the second partition plate completely divide the box body into 3 vertically arranged chambers which are a low-pressure chamber, a variable-pressure chamber and a high-pressure chamber from top to bottom in sequence; arranging three types of electrical equipment (a low-voltage cabinet, a transformer and a high-voltage cabinet) of a box-type transformer substation vertically from top to bottom in sequence; the occupied area is greatly reduced, and the vertical compact box-type substation can be applied to even an extremely short-land area; and this vertical compact box-type substation easily produces preparation and popularization.

Description

Vertical compact box-type substation

Technical Field

The utility model relates to an electrical equipment field, in particular to vertical compact box-type substation.

Background

A box-type substation (called a box transformer substation for short), also called a pre-installed substation or a pre-installed substation; the high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are combined together according to a certain wiring scheme and are arranged in a movable box body. The box transformer substation is particularly suitable for urban network construction and transformation and is a brand-new transformer substation rising up after civil transformer substations. Since the advent of the box-type substation, the development has been extremely rapid; with the rapid development of modern construction of cities in China, the urban power distribution network is continuously updated and transformed, and box transformers are widely applied.

The existing box transformer substation is mostly arranged in a structure in a shape like Chinese character 'mu' or 'pin', namely, high-voltage switch equipment, a distribution transformer and a low-voltage distribution device are arranged in a transformer substation in a shape like Chinese character 'mu' or 'pin' in the overlooking direction. The arrangement mode has a clear structure, but has larger volume and occupied area, and cannot be installed in certain areas with tense land.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical compact box-type substation aims at solving the volume that traditional case becomes among the prior art and area great, the problem of unable installation in some land shortage's area.

In order to achieve the above object, the present invention provides a technical solution:

a vertical compact box-type substation comprises a box body, wherein the box body is cuboid; the box body comprises a bottom wall and a top wall which are oppositely arranged; a first partition plate and a second partition plate which are parallel to the bottom wall are further arranged in the box body, and the first partition plate is positioned above the second partition plate; the first partition plate and the second partition plate completely divide the box body into 3 vertically arranged chambers which are a low-pressure chamber, a variable-pressure chamber and a high-pressure chamber from top to bottom in sequence;

the substation further comprises: a high voltage cabinet, a low voltage cabinet and a transformer; the high-voltage cabinet set up in the high-pressure chamber, the low-voltage cabinet set up in the low-voltage chamber, the transformer set up in the vary voltage is indoor and be fixed in on the second baffle.

Preferably, the box body further comprises a first side wall and a second side wall which are oppositely arranged, and a third side wall and a fourth side wall which are oppositely arranged; the first partition plate is provided with a low-voltage wire outlet hole, and the low-voltage wire outlet hole is close to the first side wall; the second partition plate is provided with a high-pressure wire inlet hole, and the high-pressure wire inlet hole is close to the first side wall;

the outer side surface of the first side wall is provided with vertically distributed cable cavity boxes in a fitting manner; the cable cavity is a cuboid closed cavity;

a low-voltage cabinet outlet hole is formed in the first side wall and is close to the upper part of the low-voltage chamber; the cable cavity box completely covers the low-voltage cabinet outlet; an opening is formed in one side, which is in contact with the first side wall, of the cable cavity box; the area of the opening is larger than that of the low-voltage cabinet outlet, and the low-voltage cabinet outlet is positioned in the range of the opening;

the cable cavity box comprises a cavity top wall and a cavity bottom wall; the top wall of the cavity is positioned lower than the top wall, and the bottom wall of the cavity is positioned lower than the bottom wall; a power distribution outlet hole is formed in the side wall of the bottom of the cable cavity box, and the position of the power distribution outlet hole is lower than that of the bottom wall; a low-voltage cable post penetrates through the power distribution outlet hole, and an insulating rubber sleeve is sleeved on the low-voltage cable post;

a high-voltage cable post penetrates through the bottom wall in the box body, and the high-voltage cable post is arranged close to the first side wall; the high-voltage cable column sleeve is provided with an insulating rubber sleeve; the incoming cable of the high-voltage cabinet is connected with the high-voltage cable column; an outgoing cable of the high-voltage cabinet penetrates through the high-voltage incoming hole and is connected to a high-voltage wiring terminal of the transformer; an incoming cable of the low-voltage cabinet penetrates through the low-voltage outlet hole and is connected to a low-voltage wiring terminal of the transformer; and the outgoing cable of the low-voltage cabinet penetrates through the low-voltage cabinet outlet hole, extends downwards in the cable cavity box and is connected to the low-voltage cable column.

Preferably, the low-voltage wire outlet hole, the high-voltage wire inlet hole and the low-voltage cabinet outlet hole are all round holes; a first rubber ring is embedded in the low-voltage wire outlet hole; a second rubber ring is embedded in the high-voltage wire inlet hole; and a third rubber ring is embedded in the low-voltage cabinet outlet hole.

Preferably, the second side wall is provided with a low-pressure door at the low-pressure chamber; the fourth side wall is provided with a variable pressure door at the variable pressure chamber; the fourth side wall is provided with a high-pressure door at the high-pressure chamber; a pedal cross rod is further arranged on the second side wall below the low-pressure door; the pedal cross rod is U-shaped, and anti-skid protruding grains are arranged on the pedal cross rod.

Preferably, an upper vent is formed in the first side wall above the low-voltage cabinet outlet; the upper ventilation opening is also positioned in the open range of the opening;

a plurality of first ventilation holes are formed in the position, close to the second side wall, of the first partition plate, and a plurality of second ventilation holes are formed in the position, close to the second side wall, of the second partition plate; a lower vent is formed in the position, close to the second side wall, of the bottom wall;

the cavity bottom wall is provided with a cavity vent; a ventilation cavity is arranged below the box body, and the ventilation cavity is a hollow tubular cavity; a first bent pipe and a second bent pipe are respectively communicated with two ends of the ventilation cavity; the first elbow is communicated with the lower vent, and the second elbow is communicated with the cavity vent; an axial flow fan is arranged in the ventilation cavity, and the wind direction of the axial flow fan is set to blow from the first bent pipe to the second bent pipe.

Preferably, the aperture of the first vent hole and the aperture of the second vent hole are set to be 0.5cm-1 cm.

Preferably, one side of the upper vent close to the low-pressure chamber is covered with an upper air grid; and one side of the lower vent close to the high-pressure chamber is covered with a lower air grid.

Preferably, heat exchange fins are arranged around the outer part of the ventilation cavity and perpendicular to the ventilation cavity; the heat exchange fins and the ventilation cavity are made of metal materials.

Preferably, the temperature control device is characterized in that a temperature sensor, a controller and a wireless communicator are arranged in the box body; a humidity sensor and a dehumidifying agent are arranged in the cable cavity box and the ventilation cavity; the humidity sensor, the wireless communicator, the temperature sensor and the axial flow fan are all connected with the controller.

Compared with the prior art, the utility model discloses possess following beneficial effect at least:

through the technical scheme, three types of electrical settings (the low-voltage cabinet, the transformer and the high-voltage cabinet) of the box-type transformer substation are sequentially arranged vertically from top to bottom, and compared with a 'mesh' type or 'product' type arrangement mode of the traditional box-type transformer (namely, the high-voltage cabinet, the transformer and the low-voltage cabinet are arranged in the transformer substation in a 'mesh' type or a 'product' type in the overlooking direction), the utility model provides a vertical compact box-type transformer substation, which greatly reduces the floor area and can be applied to the vertical compact box-type transformer substation even in an area with extremely short land; and this vertical compact box-type substation easily produces preparation and popularization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a vertical compact box-type substation according to the present invention;

fig. 2 is a schematic view of an internal structure of an embodiment of the vertical compact box-type substation of the present invention;

FIG. 3 is an enlarged detail view of FIG. 2 at A;

fig. 4 is a schematic external structural diagram of an embodiment of a vertical compact box-type substation according to the present invention;

fig. 5 is a schematic perspective view of a cable chamber according to an embodiment of the present invention;

fig. 6 is a bottom view of a cable chamber according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a first partition plate of an embodiment of the vertical compact box-type substation.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a vertical compact box-type substation.

Referring to fig. 1 to 7, a vertical compact box-type substation includes a box body 100, wherein the box body 100 is rectangular; the case 100 includes a bottom wall 120 and a top wall 110 disposed opposite to each other; a first partition plate 210 and a second partition plate 220 parallel to the bottom wall 120 are further arranged in the box body 100, and the first partition plate 210 is positioned above the second partition plate 220; the first partition 210 and the second partition 220 completely divide the box 100 into 3 vertically arranged chambers, which are a low pressure chamber 310, a variable pressure chamber 320 and a high pressure chamber 330 from top to bottom.

The transformer substation also comprises: a high voltage cabinet 430, a low voltage cabinet 410 and a transformer 420; the high-voltage cabinet 430 is disposed in the high-voltage chamber 330, the low-voltage cabinet 410 is disposed in the low-voltage chamber 310, and the transformer 420 is disposed in the variable-voltage chamber 320 and fixed to the second partition 220.

Through the technical scheme, three types of electrical settings (the low-voltage cabinet 410, the transformer 420 and the high-voltage cabinet 430) of the box-type transformer substation are sequentially arranged vertically from top to bottom, and compared with a 'mesh' shape or 'product' shape arrangement mode (namely, the high-voltage cabinet 430, the transformer 420 and the low-voltage cabinet 410 are arranged in the transformer substation in a 'mesh' shape or a 'product' shape in the overlooking direction) of the traditional box-type transformer 420, the utility model provides a vertical compact box-type transformer substation greatly reduces the occupied area, and can be applied to the vertical compact box-type transformer substation even in an area with extremely tense land planning; and this vertical compact box-type substation easily produces preparation and popularization.

Referring to fig. 2, 3 and 5, the box 100 further includes a first sidewall 130 and a second sidewall 140 disposed opposite to each other, and a third sidewall 150 and a fourth sidewall 160 disposed opposite to each other; the first partition 210 is provided with a low voltage outlet hole 211, and the low voltage outlet hole 211 is close to the first sidewall 130; the second partition 220 is opened with a high voltage wire inlet 221, and the high voltage wire inlet 221 is close to the first sidewall 130.

The top wall 110, the bottom wall 120, the first sidewall 130, the second sidewall 140, the third sidewall 150, the fourth sidewall 160, the first partition 210 and the second partition 220 are all made of stainless steel; the stainless steel material has good hardness and corrosion resistance.

The outer side surface of the first side wall 130 is provided with vertically distributed cable cavities 700 in an attaching manner; the cable chamber 700 is a rectangular closed chamber; the cable chamber 700 is made of stainless steel.

The first sidewall 130 is provided with a low-voltage cabinet outlet 133 near the upper part of the low-voltage chamber 310; cable chamber 700 completely covers low voltage cabinet exit opening 133; an opening 730 is formed at a side of the cable chamber 700 contacting the first sidewall 130 (for convenience of production, the opening 730 is preferably square); the area of the opening 730 is larger than the low-voltage cabinet outlet 133, and the low-voltage cabinet outlet 133 is located in the opening range of the opening 730, so as to ensure that the opening 730 completely covers the low-voltage cabinet outlet 133.

The cable cell 700 includes a cell top wall 710 and a cell bottom wall 720; the chamber top wall 710 is positioned lower than the top wall 110 and the chamber bottom wall 720 is positioned lower than the bottom wall 120; a power distribution outlet hole (not shown) is formed in the side wall of the bottom of the cable cavity 700, and the position of the power distribution outlet hole is lower than that of the bottom wall 120; a low voltage cable post 610 is inserted into the power distribution outlet hole, and an insulating rubber sleeve (not shown) is sleeved on the low voltage cable post 610.

A high-voltage cable post 440 penetrates through the bottom wall 120 in the box body 100, and the high-voltage cable post 440 is arranged close to the first side wall 130; the high-voltage cable column 440 is sleeved with an insulating rubber sleeve (not shown); the incoming cable (not shown) of the high-voltage cabinet 430 is connected with the high-voltage cable column 440; an outlet cable (not shown) of the high voltage cabinet 430 passes through the high voltage inlet hole 221 and is connected to a high voltage terminal of the transformer 420; the incoming cable (not shown) of the low voltage cabinet 410 passes through the low voltage outlet hole 211 and connects to the low voltage terminal of the transformer 420; the outlet cable 600 of the low voltage cabinet passes through the low voltage outlet cabinet hole 133 and extends downward in the cable chamber 700 and is connected to the low voltage cable post 610.

Through the technical scheme, will the utility model provides a wiring mode between vertical box-type substation's the electrical equipment clear expression comes out, and low-voltage cabinet 410 be qualified for the next round of competitions from last to connecting low-voltage cable post 610 extremely down through cable chamber box 700 at last, and the underground line is all walked to power acquisition and distribution promptly, accords with the mainstream design of present transformer substation, also facilitates the on-the-spot wiring of installer.

The low-voltage outlet hole 211, the high-voltage inlet hole 221 and the low-voltage outlet hole 133 are all round holes; a first rubber ring (not shown) is embedded in the low-voltage outlet hole 211; a second rubber ring (not shown) is embedded in the high-pressure wire inlet hole 221; a third rubber ring 134 is embedded in the low-voltage cabinet outlet 133. Through setting up the rubber circle, prevent that the edge in hole from cutting the damage to the cable that passes wherein, can also strengthen the leakproofness.

As shown in fig. 1 and 4, the second sidewall 140 is opened with a low pressure door 141 at the low pressure chamber 310; the fourth side wall 160 is provided with a pressure-changing door 161 at the pressure-changing chamber 320; the fourth sidewall 160 is provided with a high pressure door 162 at the high pressure chamber 330; the low-voltage door 141, the variable-voltage door 161 and the high-voltage door 162 are arranged to facilitate the maintenance and inspection of the corresponding electrical equipment by workers. A pedal cross bar 142 is further arranged on the second side wall 140 below the low-pressure door 141; the pedal cross bar 142 is U-shaped, and the pedal cross bar 142 is provided with anti-skid protruding lines (not shown); the foot bar 142 facilitates the worker climbing up to open the low-voltage door 141 and operate the low-voltage cabinet 410.

Referring to fig. 1 to 6, an upper vent 131 is disposed on the first sidewall 130 above the low-voltage outlet 133 (the upper vent 131 is preferably a circular opening); the upper vents 131 are also located within the opening of the opening 730.

A plurality of first ventilation holes 212 are formed in the first partition plate 210 close to the second side wall 140, and a plurality of second ventilation holes 222 are formed in the second partition plate 220 close to the second side wall 140; the first vent hole 212 and the second vent hole 222 are preferably set to have a diameter of 0.5cm to 1cm, and preferably 1cm in this embodiment to improve the ventilation effect, and the diameter of the first vent hole is too small to be easily blocked, but the diameter of the first vent hole and the diameter of the second vent hole cannot be set too large to prevent dripping, and preferably 1 cm.

Referring to fig. 7, in order to prevent the dripping phenomenon, the first partition 210 is provided with a first arched upward protrusion 213 at the first vent hole 212, the first vent hole 212 is entirely located on the first arched upward protrusion 213, and the first vent hole 212 located at the lowest position is still kept at a first preset distance (preferably 1cm) from the first partition 210, so that the accumulated water can be prevented from flowing from the first vent hole 212 to the transforming chamber 320 (if the accumulated water occurs); in the same manner, the second partition 220 is provided with a second arched upward protrusion (not shown) at the second vent hole 222, and the second vent hole 222 is entirely located on the second arched upward protrusion, and the second vent hole 222 located at the lowest position is still kept at a second predetermined distance (preferably 1cm) from the second partition 220.

A lower vent 121 is formed in the bottom wall 120 near the second side wall 140 (the lower vent 121 is preferably a circular opening); the cavity bottom wall 720 is provided with a cavity vent 740 (the cavity vent 740 is preferably a circular opening); a ventilation cavity 800 is arranged below the box body 100, and the ventilation cavity 800 is a hollow tubular cavity; a first bent pipe 810 and a second bent pipe 820 are respectively communicated with two ends of the ventilation cavity 800; the first elbow 810 communicates with the lower vent 121, and the second elbow 820 communicates with the chamber vent 740; an axial flow fan 820 is disposed in the ventilation chamber 800, and the wind direction of the axial flow fan 820 is set to blow from the first bent pipe 810 to the second bent pipe 820.

When the cable box is installed, the bottom wall 120 is flush with the ground, and the bottom parts of the ventilation cavity 800, the first elbow 810, the second elbow 820 and the cable cavity box 700 are all buried underground; because of being provided with axial fan 820 in the ventilation chamber 800, can form the circulation of cooling air in box 100, specific circulation path is: the ventilation chamber 800 → the chamber vent opening 740 → the cable chamber box 700 → the upper vent opening 131 → the low pressure chamber 310 → the first vent hole 212 → the pressure varying chamber 320 → the second vent hole 222 → the high pressure chamber 330 → the lower vent opening 121 → the ventilation chamber 800; the heat generated by each electrical device during the working of the transformer substation is taken away through the circulation of the heat dissipation air, the ventilation cavity 800 is buried underground, and the air flowing through the ventilation cavity 800 has a certain cooling effect, so that the heat dissipation effect of the circulation of the heat dissipation air is better.

As shown in fig. 2 and 3, an upper air grille 132 is covered on one side of the upper vent 131 close to the low pressure chamber 310; the lower air vent 121 is covered with a lower air grille 122 at a side close to the high pressure chamber 330. The entry of particulate debris into the cable compartment 700 and the ventilation chamber 800 is prevented by the provision of the upper air grill 132 and the lower air grill 122.

As shown in fig. 1 to 3, heat exchange fins 840 are arranged around the outside of the ventilation cavity 800, and the heat exchange fins 840 are perpendicular to the ventilation cavity 800; the heat exchange fins 840 and the ventilation cavity 800 are made of metal (the heat exchange performance of the metal is better, and stainless steel is preferred in this embodiment). Through set up metal material's heat transfer fin 840 in the outside in ventilation chamber 800 in order to strengthen the heat transfer effect of ventilation chamber 800 and secret earth.

As shown in fig. 1, fig. 2 and fig. 4, at least 1 pair of fixing rods 900 (preferably 1 pair in this embodiment) is symmetrically disposed below the bottom wall 120, and the length of each fixing rod is set to be 0.8m to 1m (preferably 1m in this embodiment to ensure the fixing effect); each pair of fixing rods 900 are hinged to the third side wall 150 of the bottom wall 120 and the fourth side wall 160 of the bottom wall 120 respectively, and an anchor-shaped protrusion 910 is arranged at one end of each fixing rod 900 far away from the bottom wall 120; when the vertical compact box-type substation is installed, the fixing rod 900 and the anchor-shaped protrusion 910 thereof are buried underground, so that the box body 100 can be stabilized, and the shaking phenomenon caused by the overhigh box body 100 is prevented.

In addition, a temperature sensor (not shown), a controller (not shown), and a wireless communicator (not shown) are provided in the case 100; a humidity sensor (not shown) and a desiccant (not shown) are disposed in each of the cable chamber 700 and the ventilation chamber 800; the humidity sensor, the wireless communicator, the temperature sensor and the axial flow fan 820 are all connected with the controller.

Through above-mentioned technical scheme, can realize intelligent control to this vertical compact box-type substation, it is specific: when the temperature sensor detects that the temperature in the box body 100 reaches a preset temperature value (for example, 70 ℃), the controller immediately controls the axial flow fan 820 to start, so that the circulation of the heat dissipation air is greatly accelerated, and the temperature in the box body 100 is reduced; when the temperature sensor detects that the temperature in the box body 100 is lower than a preset temperature value (such as 70 ℃), the controller immediately controls the axial flow fan 820 to be closed, so that the purposes of saving energy and reducing consumption are achieved; when the humidity sensor detects that the relative humidity in the cable chamber box 700 or the ventilation chamber 800 reaches a preset relative humidity value (for example, 70%), the controller immediately controls the wireless communicator to send the early warning information to a preset mobile phone terminal (a mobile phone of a maintenance worker), and the maintenance worker is reminded to inspect in time.

As shown in fig. 1, 2 and 4, a conical roof 500 is disposed on the top of the box body 100, and the peripheral edges of the roof 500 are lower than the top wall 110. By providing the roof 500, rainwater is prevented from entering the box body 100.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A vertical compact box-type substation comprises a box body, and is characterized in that the box body is cuboid; the box body comprises a bottom wall and a top wall which are oppositely arranged; a first partition plate and a second partition plate which are parallel to the bottom wall are further arranged in the box body, and the first partition plate is positioned above the second partition plate; the first partition plate and the second partition plate completely divide the box body into 3 vertically arranged chambers which are a low-pressure chamber, a variable-pressure chamber and a high-pressure chamber from top to bottom in sequence;

2. The vertical compact substation of claim 1, wherein the box further comprises first and second oppositely disposed side walls, and third and fourth oppositely disposed side walls; the first partition plate is provided with a low-voltage wire outlet hole, and the low-voltage wire outlet hole is close to the first side wall; the second partition plate is provided with a high-pressure wire inlet hole, and the high-pressure wire inlet hole is close to the first side wall;

3. The vertical compact box-type substation of claim 2, wherein the low voltage outlet hole, the high voltage inlet hole and the low voltage outlet hole are all round holes; a first rubber ring is embedded in the low-voltage wire outlet hole; a second rubber ring is embedded in the high-voltage wire inlet hole; and a third rubber ring is embedded in the low-voltage cabinet outlet hole.

4. The vertical compact box-type substation of claim 2, wherein the second side wall is provided with a low-pressure door at the low-pressure chamber; the fourth side wall is provided with a variable pressure door at the variable pressure chamber; the fourth side wall is provided with a high-pressure door at the high-pressure chamber; a pedal cross rod is further arranged on the second side wall below the low-pressure door; the pedal cross rod is U-shaped, and anti-skid protruding grains are arranged on the pedal cross rod.

5. The vertical compact box-type substation of claim 2, wherein the first side wall is provided with an upper vent above the low-voltage cabinet outlet; the upper ventilation opening is also positioned in the open range of the opening;

6. The vertical compact substation according to claim 5, wherein the first vent hole and the second vent hole are set to have a diameter of 0.5cm to 1 cm.

7. A vertical compact substation according to claim 5, characterized in that the side of the upper ventilation opening close to the low pressure chamber is covered with an upper air grille; and one side of the lower vent close to the high-pressure chamber is covered with a lower air grid.

8. A vertical compact substation according to claim 5, characterized in that the outside of the ventilation chamber is surrounded by heat exchanger fins perpendicular to the ventilation chamber; the heat exchange fins and the ventilation cavity are made of metal materials.

9. The vertical compact box substation of claim 5, wherein a temperature sensor, a controller and a wireless communicator are arranged in the box body; a humidity sensor and a dehumidifying agent are arranged in the cable cavity box and the ventilation cavity; the humidity sensor, the wireless communicator, the temperature sensor and the axial flow fan are all connected with the controller.