A pressure relief system for controlling switchgear connections

Abstract

The present invention discloses a pressure release system for controlling the connection of a switch cabinet, comprising: a connection structure, an inner protective layer is provided in the connection structure; a first channel and a second channel are provided in the inner protective layer, and the first channel and the second channel are interconnected; a ring pressure component, the ring pressure component is connected in the first channel; a busbar structure, the busbar structure is connected in the second channel; the busbar structure can convey a first medium through the second channel and the first channel, so that the ring pressure component moves from a first position in the first channel to a second position. The technical solution of the present invention can improve the release efficiency and ensure the integrity of the structure.

Description

Technical Field

[0001] The invention relates to the technical field of control switch cabinets, and in particular to a pressure release system connected to a control switch cabinet. Background Art

[0002] The control switch cabinet is an electrical equipment that controls the opening and closing of various equipment. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage room switch cabinets, with high-voltage busbars, such as power plants, etc. Some also have low-frequency load shedding to protect the main equipment. The components in the switch cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protection devices.

[0003] However, most of the existing control switch cabinets at home and abroad lack a connection pressure release structure to assist in the release, and only release the pressure through the cabinet body, and its release efficiency is poor; at the same time, it is easy to lose the protective shell and other structures of the release device, and it will also damage the busbar structure, resulting in high maintenance costs. Summary of the invention

[0004] The main purpose of the present invention is to provide a pressure release system for controlling the connection of a switch cabinet, aiming to improve the release efficiency and ensure the integrity of the structure.

[0005] The above-mentioned problem to be solved by the present invention is achieved through the following technical solutions:

[0006] A pressure relief system for controlling switchgear connections, comprising:

[0007] A connection structure, wherein an inner protective layer is provided in the connection structure; a first channel and a second channel are provided in the inner protective layer, and the first channel and the second channel are interconnected;

[0008] a ring pressing component, wherein the ring pressing component is connected in the first channel;

[0009] a busbar structure connected in the second channel;

[0010] The busbar structure can transport the first medium through the second channel and the first channel to move the ring pressing component from a first position to a second position in the first channel.

[0011] Preferably, the inner protective layer includes a first inner wall and a second inner wall arranged opposite to each other; the second channel and the first channel are formed between the first inner wall and the second inner wall; and the first inner wall and the second inner wall are used to be connected to the ring pressing component.

[0012] Preferably, when the first medium passes through the second channel and the first channel, the first inner wall and the second inner wall move in opposite directions to increase the inner diameter of the first channel, thereby moving the ring pressing component from the first position to the second position.

[0013] Preferably, the inner protective layer is made of epoxy resin.

[0014] Preferably, the connection structure further includes a first shell, and the inner protective layer is connected to the inner wall of the first shell.

[0015] Preferably, a third channel is further provided in the inner protective layer; the third channel is used to connect with the wire sleeve of the control switch cabinet; and the third channel can also transport the second medium through the first channel to move the ring pressure component from the first position to the second position.

[0016] Preferably, the ring-pressing component includes a ring-pressing support portion and a ring-pressing sealing portion, wherein the ring-pressing sealing portion is connected to the bottom of the ring-pressing support portion; and the ring-pressing sealing portion is provided with an assembly cone surface, and the assembly cone surface is used to be connected to the inside of the first channel.

[0017] Preferably, the busbar structure includes a busbar copper part, a busbar tube and a stress cone; the busbar copper part is connected to the inside of the busbar tube; the stress cone is connected to the busbar tube, and the stress cone is connected to the inside of the second channel; a copper part mounting portion is provided on the busbar copper part, and the copper part mounting portion is used to be installed in the first channel.

[0018] Preferably, the busbar tube is also provided with a grounding ring; the grounding ring is used to be connected to a grounding installation wire.

[0019] Preferably, the control switch cabinet is a ring main cabinet.

[0020] Beneficial effect: The technical solution of the present invention can improve the structural stability of the pressure release system and ensure the safety of use in a non-transportation state by respectively installing the ring pressure component and the busbar structure in the first channel and the second channel; at the same time, the first medium is transported through the second channel and the first channel in the busbar structure to move the ring pressure component from the first position to the second position, thereby realizing the rapid opening of the ring pressure component and realizing the discharge process of the first medium; thereby effectively avoiding the damage of the connection structure caused by the first medium, thereby improving the release efficiency and ensuring the integrity of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of an embodiment of a pressure release system for controlling switch cabinet connection according to the present invention.

[0023] Figure 2 It is a schematic diagram of the explosion structure of an embodiment of a pressure release system for controlling switch cabinet connection according to the present invention.

[0024] Figure 3 It is a structural schematic diagram of a ring pressure component of an embodiment of a pressure release system for controlling switch cabinet connections described in the present invention.

[0025] Figure 4 It is a partial enlarged view of an embodiment of a pressure release system for controlling switch cabinet connection according to the present invention.

[0026] Figure 5 It is a schematic diagram of the busbar structure of an embodiment of a pressure release system for controlling switch cabinet connection according to the present invention.

[0027] Figure 6 It is a structural schematic diagram of an embodiment of a pressure release system for controlling switch cabinet connection according to the present invention.

[0028] Explanation of the accompanying drawings: 1-ring pressing component; 11-ring pressing supporting part; 111-first groove; 12-ring pressing sealing part; 121-assembly cone; 122-first assembly groove; 2-connection structure; 21-first shell; 211-grounding connection block; 212-grounding connection line; 22-inner protective layer; 23-first channel; 231-second assembly groove; 24-second channel; 25-third channel; 26-filling protective layer; 201-edge connecting body; 202-middle connecting body; 3-busbar structure; 31-busbar copper fitting; 311-copper fitting installation part; 312-first installation hole; 32-grounding ring; 33-busbar tube; 34-stress cone; 4-cover body; 51-first installation block; 52-first positioning column. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0032] The invention provides a pressure release system for controlling the connection of a switch cabinet.

[0033] like Figure 1 and 2 As shown, in one embodiment of the present invention, the pressure release system connected to the control switch cabinet comprises:

[0034] A connecting structure 2, wherein an inner protective layer 22 is provided in the connecting structure 2; a first channel 23 and a second channel 24 are provided in the inner protective layer 22, and the first channel 23 and the second channel 24 are connected to each other;

[0035] A ring pressing component 1, wherein the ring pressing component 1 is connected in the first channel 23;

[0036] A busbar structure 3, wherein the busbar structure 3 is connected in the second channel 24;

[0037] The busbar structure 3 can transport the first medium through the second channel 24 and the first channel 23 to move the ring pressing component 1 from the first position in the first channel 23 to the second position.

[0038] The technical solution of the present invention can improve the structural stability of the pressure release system and ensure the safety of use in a non-transportation state by installing the ring pressure component and the busbar structure in the first channel and the second channel respectively; at the same time, the first medium is transported through the second channel and the first channel in the busbar structure to move the ring pressure component from the first position to the second position, thereby realizing the rapid opening of the ring pressure component and realizing the discharge process of the first medium; thereby effectively avoiding the damage of the connection structure caused by the first medium, thereby improving the release efficiency and ensuring the integrity of the structure.

[0039] In some embodiments, the first medium includes a hot air flow (temperature may be greater than 110 degrees) or a high-pressure air flow. The first medium passes through the busbar structure and passes through the second channel 24 and the first channel 23, thereby forming a driving stress on the ring pressure component 1, so that it can move from the first position to the second position, thereby realizing the discharge function of the first medium.

[0040] The first position is located below the second position, that is, the ring-pressing component 1 moves upward to achieve the discharge function of the first medium.

[0041] Specifically, in some embodiments, the inner protective layer 22 includes a first inner wall and a second inner wall that are arranged opposite to each other; the second channel 24 and the first channel 23 are formed between the first inner wall and the second inner wall; and the first inner wall and the second inner wall are used to connect with the ring pressing component 1;

[0042] When the first medium passes through the second channel 24 and the first channel 23, the first inner wall and the second inner wall move in opposite directions to increase the inner diameter of the first channel 23, thereby moving the ring-pressing component 1 from the first position to the second position. The inner protective layer 22 is made of epoxy resin; when the temperature of the first medium being transported reaches more than 100 degrees (i.e., the peeling temperature), the inner protective layer will shrink to increase the inner diameter of the first channel. Under the push of the first medium and the action of the first channel with a large inner diameter, the ring-pressing component 1 moves from the first position to the second position, thereby realizing the pressure release function, thereby protecting the connection structure and busbar structure and reducing maintenance costs.

[0043] Specifically, in some embodiments, Figure 2 As shown, the connection structure 2 further includes a first shell 21 , and the inner protective layer 22 is connected to the inner wall of the first shell 21 .

[0044] Specifically, in some embodiments, Figure 2 As shown, a grounding connection block 211 is disposed outside the first housing 21 ; the grounding connection block 211 is used to connect a grounding connection line 212 ; thereby improving the safety of the connection structure.

[0045] Specifically, in some embodiments, a third channel is further provided in the inner protective layer 22; the third channel is used to connect with the wire sleeve of the control switch cabinet; and the third channel can also transport the second medium through the first channel 23 to move the ring pressure component 1 from the first position to the second position.

[0046] The second medium includes hot air or high-pressure air (temperature can be greater than 110 degrees). The second medium is discharged from the control switch cabinet and passes through the third channel 25, so that the ring pressure component 1 forms a pushing stress, so that it can move from the first position to the second position, thereby realizing the discharge function of the second medium.

[0047] Specifically, in some embodiments, Figure 6 As shown, the connection structure 2 includes two edge connection bodies 201 and at least one middle connection body 202; the middle connection body 202 includes two second channels 202 arranged opposite to each other; the edge connection body 201 includes one second channel 202; and the busbar structure 3 is selected from at least two; the two ends of one busbar structure 3 are respectively connected to the second channel 202 in one edge connection body 201 and one second channel 202 in the middle connection body 202; the two ends of another busbar structure 3 are respectively connected to the second channel 202 in another edge connection body 201 and another second channel 202 in the middle connection body 202. To ensure the stability of the structure, the first medium can be released more quickly through multiple ring pressure components, thereby improving the release efficiency.

[0048] Among them, in some embodiments, the control switch cabinet uses a ring network cabinet; the ring network refers to a ring distribution network, that is, the power supply trunk forms a closed ring, the power supply source supplies power to this ring trunk, and then distributes power to the outside through each high-voltage switch from the trunk. Each distribution branch of the ring network cabinet can get power from the left trunk and the right trunk. When the left trunk fails, it continues to get power from the right trunk, and when the right trunk fails, it continues to get power from the left trunk.

[0049] Specifically, in some embodiments, Figure 3As shown, the ring pressing component 1 includes a ring pressing support portion 11 and a ring pressing sealing portion 12, wherein the ring pressing sealing portion 12 is connected to the bottom of the ring pressing support portion 11; and the ring pressing sealing portion 12 is provided with an assembly conical surface 121, and the assembly conical surface 121 is used to be connected inside the first channel 23. Among them, the assembly conical surface 121 is closely connected to the inner wall of the first channel 23, which improves the flexibility of installation and the installation sealing performance, and also ensures the rapidity of the ring pressing sealing portion moving from the first position to the second position, thereby improving the release efficiency.

[0050] Wherein, in some embodiments, Figure 2 and 3 As shown, a second assembly groove 231 is provided on the inner protective layer 22, and the annular pressure support portion 11 is clamped on the second assembly groove 231 to ensure installation stability.

[0051] Specifically, in one embodiment, Figure 5 As shown, the busbar structure 3 includes a busbar copper part 31, a busbar tube 33 and a stress cone 34; the busbar copper part 31 is connected to the inside of the busbar tube 33; two stress cones 34 are selected and respectively connected to the left and right ends of the busbar tube 33, and the stress cone 34 is connected to the inside of the second channel 24; a copper part mounting portion 311 is provided on the busbar copper part 31, and the copper part mounting portion 311 is used to be installed in the first channel 23.

[0052] Among them, Figure 5 As shown, the busbar tube 33 is also provided with a grounding ring 32; the grounding ring 32 is used to connect with the grounding installation wire to improve the safety of the busbar structure.

[0053] Specifically, Figure 4 As shown, a first mounting hole 312 is provided on the copper component mounting portion 311; a first mounting block 51 is also provided in the first channel 23; a first positioning column 52 is provided on the first mounting block 51; the first positioning column 52 passes through the first mounting block 51 and the first mounting block 51 in sequence, so that the busbar copper component 31 is connected in the first channel 23.

[0054] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pressure relief system for controlling switch cabinet connections, characterized in that: include: A connection structure, wherein an inner protective layer is provided in the connection structure; a first channel and a second channel are provided in the inner protective layer, and the first channel and the second channel are interconnected; wherein the inner protective layer is made of epoxy resin; A ring pressing component, the ring pressing component is connected in the first channel; the ring pressing component comprises a ring pressing support portion and a ring pressing sealing portion, the ring pressing sealing portion is connected to the bottom of the ring pressing support portion; and the ring pressing sealing portion is provided with an assembly cone surface, the assembly cone surface is used to be connected to the inside of the first channel; and the inner protective layer is provided with a second assembly groove, the ring pressing support portion is clamped on the second assembly groove; a busbar structure connected in the second channel; The busbar structure can convey the first medium through the second channel and the first channel, so that the ring pressing component moves from the first position to the second position in the first channel; Wherein, the inner protective layer includes a first inner wall and a second inner wall arranged opposite to each other; the second channel and the first channel are formed between the first inner wall and the second inner wall; and the first inner wall and the second inner wall are used to connect with the ring pressure component; when the first medium passes through the second channel and the first channel, the first inner wall and the second inner wall move in the opposite direction to increase the inner diameter of the first channel, thereby moving the ring pressure component from the first position to the second position.

2. A pressure relief system for controlling switch cabinet connections according to claim 1, characterized in that: The connection structure also includes a first shell, and the inner protective layer is connected to the inner wall of the first shell.

3. A pressure relief system for controlling switch cabinet connection according to claim 1, characterized in that: A third channel is also provided in the inner protective layer; the third channel is used to connect with the wire sleeve of the control switch cabinet; and the third channel can also transport the second medium through the first channel to move the ring pressure component from the first position to the second position.

4. A pressure relief system for controlling switch cabinet connections according to claim 1, characterized in that: The busbar structure includes a busbar copper part, a busbar tube and a stress cone; the busbar copper part is connected to the inside of the busbar tube; the stress cone is connected to the busbar tube, and the stress cone is connected to the inside of the second channel; a copper part mounting portion is provided on the busbar copper part, and the copper part mounting portion is used to be installed in the first channel.

5. A pressure relief system for controlling switch cabinet connection according to claim 4, characterized in that: The busbar tube is also provided with a grounding ring; the grounding ring is used to connect with the grounding installation wire.

6. A pressure relief system for controlling switch cabinet connections according to claim 1, characterized in that: The control switch cabinet is a ring main unit.

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