CN217956403U - Low-voltage cabinet and new forms of energy box-type substation - Google Patents
Low-voltage cabinet and new forms of energy box-type substation Download PDFInfo
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- CN217956403U CN217956403U CN202221471540.4U CN202221471540U CN217956403U CN 217956403 U CN217956403 U CN 217956403U CN 202221471540 U CN202221471540 U CN 202221471540U CN 217956403 U CN217956403 U CN 217956403U
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Abstract
The utility model relates to a cubical switchboard technical field, concretely relates to low-voltage cabinet and new forms of energy box-type substation. The utility model provides a low-voltage cabinet, including main cabinet and auxiliary cabinet, the main cabinet includes upper main cabinet body and lower main cabinet body, be equipped with the frame circuit breaker that communicates with the generating line in the upper main cabinet body, be equipped with the first moulded case circuit breaker group that communicates through the generating line with the frame circuit breaker in the lower main cabinet body; the auxiliary cabinet is arranged on one side of the main cabinet, a preset gap is formed between the main cabinet and the auxiliary cabinet, the auxiliary cabinet body comprises an upper auxiliary cabinet body and a lower auxiliary cabinet body, a second plastic shell breaker group and a third plastic shell breaker group are respectively arranged in the upper auxiliary cabinet body and the lower auxiliary cabinet body, the main cabinet and the plastic shell breakers in the auxiliary cabinet are communicated through buses in the preset gap between the main cabinet and the auxiliary cabinet, and the product volume is reduced while the product protection is enhanced through the separation of the main cabinet and the auxiliary cabinet and the reasonable utilization of the space in the cabinet.
Description
Technical Field
The utility model relates to a cubical switchboard technical field, concretely relates to low-voltage cabinet and new forms of energy box-type substation.
Background
The low-voltage complete switch equipment and control equipment are called low-voltage cabinet for short, and it is a complete set of electric equipment whose AC and DC voltages are below 1000V. The low-voltage cabinet has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriousness and practicability, novel structure and the like. The low-voltage cabinet market in China keeps a rapidly growing situation along with the construction and implementation of smart grids and infrastructures, the investment of manufacturing industry and the development of new energy industry.
Along with the development of new energy industry, the functional requirements on the low-voltage cabinet in the new energy box-type substation are higher and higher, the volume of the cabinet body is generally larger due to the factors such as unreasonable internal layout and the like of the existing photovoltaic box-type substation low-voltage cabinet, the cabinet bodies such as the incoming line cabinet outgoing line cabinet are required to be cooperatively used together, the occupied space of the low-voltage cabinet is further increased, the technical requirements are met, the product volume is reduced on the premise of ensuring the quality, and the photovoltaic box-type substation low-voltage cabinet is an important subject for designing the low-voltage cabinet in new energy products.
SUMMERY OF THE UTILITY MODEL
The utility model discloses (one) the technical problem that solve is: the internal components of current low-voltage cabinet arrange unreasonablely, the product is bulky, and the difficult split of a plurality of continuous cabinet bodies transports the scheduling problem.
(II) technical scheme
In order to solve the technical problem, an embodiment of the utility model provides an aspect provides a low-voltage cabinet, include: the main cabinet comprises an upper main cabinet body and a lower main cabinet body, a bus incoming line opening is formed in the rear side of the upper main cabinet body, a frame circuit breaker communicated with a bus is arranged in the upper main cabinet body, and a first molded case circuit breaker group communicated with the frame circuit breaker through the bus is arranged in the lower main cabinet body; the auxiliary cabinet is arranged on one side of the main cabinet, a preset gap is formed between the auxiliary cabinet and the main cabinet, the auxiliary cabinet body comprises an upper auxiliary cabinet body and a lower auxiliary cabinet body, a second plastic shell breaker group and a third plastic shell breaker group are respectively arranged in the upper auxiliary cabinet body and the lower auxiliary cabinet body, and the second plastic shell breaker group and the third plastic shell breaker group are arranged in a front-back staggered manner;
the molded case circuit breaker in the main cabinet and the auxiliary cabinet is communicated through a bus in a preset gap between the main cabinet and the auxiliary cabinet.
According to the utility model discloses an embodiment, the lower main external side of cabinet of main cabinet with the vice cabinet outside has connect the instrument box respectively, because the instrument box specification is different, will the instrument box set up in the lower main external side of cabinet of main cabinet with the internal space that occupies the cabinet body has been avoided in the vice cabinet outside, further reduces the whole occupation space of low-voltage cabinet.
According to the utility model discloses an embodiment, go up vice cabinet body front side on the main cabinet body front side and be equipped with main side door and vice side door respectively, be equipped with the circuit breaker pilot lamp on the main side door, be equipped with indicating instrument on the vice side door.
According to the utility model discloses an embodiment, the internal second moulded case circuit breaker group of vice cabinet on vice cabinet sets up in the internal rear side of vice cabinet on vice cabinet, and the internal front side of vice cabinet on vice cabinet is equipped with inlay in the measurement and control device of vice side door, the inner space of further abundant rational utilization vice cabinet.
According to the utility model discloses an embodiment, main cabinet with the clearance of predetermineeing between vice cabinet is not less than 200mm, is convenient for predetermine the installation of generating line in the clearance.
According to the utility model discloses an embodiment, hang plate fixed connection is passed through with vice cabinet top in main cabinet, when guaranteeing that the low-voltage cabinet removes main cabinet with vice cabinet is hoisted simultaneously.
According to the utility model discloses an embodiment, main cabinet with the front side in the clearance of predetermineeing between the vice cabinet is equipped with the protection shrouding, the protection shrouding is used for preventing to touching the electrified body to predetermineeing present protection in the clearance.
According to the utility model discloses an embodiment, frame circuit breaker input generating line causes the transformer outside the case through the flexible coupling, prevents that the generating line from being destroyed by external force, and near corrosive gas's influence.
According to the utility model discloses an embodiment, the main cabinet body with the inboard transparent insulating guard plate that all is equipped with before the auxiliary cabinet body, lead to the electric shock danger when preventing to open the door operation.
The utility model discloses another embodiment still provides a new forms of energy box-type substation, including above-mentioned arbitrary embodiment the low-voltage board.
The utility model has the advantages that: the utility model provides a low-voltage cabinet passes through the setting of main cabinet and vice cabinet separation and to the rational utilization of main cabinet and vice cabinet inner space, when having strengthened the product protection, has reduced the product volume, and main cabinet upper portion is the frame circuit breaker, and the lower part is first moulded case circuit breaker group, and the main cabinet is qualified for the next round of competitions the cabinet with original inlet wire cabinet and merges together, make full use of main cabinet space under the condition that satisfies the requirement, second moulded case circuit breaker group with staggered arrangement around the third moulded case circuit breaker group, the follow-up cable erection of being convenient for moves main cabinet to vice cabinet generating line outside the cabinet, saves the middle cabinet body, reduces the generating line and occupies cabinet body space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a front view structure of a low voltage cabinet according to an embodiment of the present invention;
fig. 2 is a schematic view of a front perspective structure of a low-voltage cabinet according to an embodiment of the present invention;
fig. 3 is a schematic left-view structural diagram of a low voltage cabinet according to an embodiment of the present invention;
fig. 4 is a schematic left-view perspective structural diagram of a low-voltage cabinet according to an embodiment of the present invention;
fig. 5 is a schematic view of a right perspective structure of a low voltage cabinet according to an embodiment of the present invention;
fig. 6 is a schematic view of a top perspective structure of a low voltage cabinet according to an embodiment of the present invention.
Icon: 1. a main cabinet; 11. a frame circuit breaker; 12. a first molded case circuit breaker group; 13. a main side door; 14. an indicator light; 15. soft connection; 2. a sub-cabinet; 21. a second molded case circuit breaker group; 22. a third molded case circuit breaker group; 23. a sub-side door; 24. an indicating instrument; 25. a measurement and control device; 26. an outlet; 3. a bus bar; 4. an instrument box; 41. a fuse; 5. a hanger plate; 6. a protective sealing plate; 7. an insulating protection plate; 8. the gap is preset.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understandable, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.
As shown in fig. 1 to 6, an embodiment of the present invention provides a low-voltage cabinet, including: the main cabinet 1 comprises an upper main cabinet body and a lower main cabinet body, a bus 3 incoming line opening is arranged on the cabinet wall on the rear side of the upper main cabinet body, a frame circuit breaker 11 is arranged in the upper main cabinet body and led to a transformer arranged behind the main cabinet 1 through the bus 3, a first molded case circuit breaker group 12 is arranged in the lower main cabinet body, the frame circuit breaker 11 is connected to a bus 3 through the bus 3, and the first molded case circuit breaker group 12 is connected through a branch bus 3; the auxiliary cabinet 2 is arranged on one side of the main cabinet 1, a preset gap 8 is formed between the auxiliary cabinet 2 and the main cabinet 1, the auxiliary cabinet 2 comprises an upper auxiliary cabinet body and a lower auxiliary cabinet body, a second molded case circuit breaker group 21 and a third molded case circuit breaker group 22 are respectively arranged in the upper auxiliary cabinet body and the lower auxiliary cabinet body, and the second molded case circuit breaker group 21 and the third molded case circuit breaker group 22 are arranged in a front-back staggered manner;
the main cabinet 1 and the molded case circuit breaker in the auxiliary cabinet 2 are connected through the transverse and longitudinal buses 3 in the preset gap 8 between the main cabinet 1 and the auxiliary cabinet 2, the transverse and longitudinal buses 3 in the preset gap 8 are all arranged in the wire collecting grooves, and the main cabinet 1 and the auxiliary cabinet 2 are communicated through wire outlets 26 arranged on the cabinet walls on two sides of the preset gap 8.
Further, a fuse knife switch communicated with the second molded case circuit breaker group 21 is further arranged at the upper part of the auxiliary cabinet 2, and the fuse knife switch is used for adopting signals.
Further, the lower main cabinet body outside of main cabinet 1 with the vice cabinet 2 outside has connect instrument box 4 respectively, because 4 specifications of instrument box are different, will instrument box 4 set up in the lower main cabinet body outside of main cabinet 1 with the internal space that occupies the cabinet body has been avoided in the vice cabinet 2 outside, further reduces the whole occupation space of low-voltage cabinet.
1 left side lower part installation instrument box 4 of main cabinet be little instrument box 4, two sets of fuses 41 of 4 internally mounted of little instrument box, a set of fuse 41 is used for protecting auxiliary transformer, another group's fuse 41 uses with the surge protector cooperation, 1 left side cabinet board of main cabinet except little instrument box 4, other positions set up the shrouding, prevent that circuit breaker action room from producing the arcing and causing the injury to other equipment or personnel.
Furthermore, a main side door 13 and an auxiliary side door 23 are respectively arranged on the front side of the upper main cabinet body and the front side of the auxiliary cabinet body, and a circuit breaker indicator lamp 14 and a button are arranged on the main side door 13, so that the operation of the frame circuit breaker 11 and the observation of the state of the frame circuit breaker 11 are facilitated; in order to prevent electric shock hazard caused during door opening operation, an indicating instrument 24 is arranged on the auxiliary side door 23 and used for observing the working state of the molded case circuit breaker.
As shown in fig. 5, the second molded case circuit breaker group 21 in the auxiliary cabinet body on the auxiliary cabinet 2 is arranged at the rear side in the auxiliary cabinet body on the auxiliary cabinet 2, the measurement and control device 25 embedded in the auxiliary side door 23 is arranged at the front side in the auxiliary cabinet body on the auxiliary cabinet 2, the inner space of the auxiliary cabinet 2 is further fully and reasonably utilized, and the measurement and control device 25 is used for measuring, protecting and controlling product data.
Furthermore, a preset gap 8 between the main cabinet 1 and the auxiliary cabinet 2 is not smaller than 200mm, so that the installation of the bus 3 in the preset gap 8 is facilitated.
Furthermore, the top of the main cabinet 1 is fixedly connected with the top of the auxiliary cabinet 2 through a hanging plate 5, so that the main cabinet 1 and the auxiliary cabinet 2 are hung up simultaneously when the low-voltage cabinet moves.
Further, main cabinet 1 with the front side of predetermineeing clearance 8 between the vice cabinet 2 is equipped with protection shrouding 6, protection shrouding 6 is used for preventing to touch the electrified body to predetermineeing present protection in the clearance 8.
Furthermore, the bus 3 at the input end of the frame breaker 11 is led to the transformer outside the box through the flexible connection 15, so that the bus 3 line is prevented from being damaged by external force and the influence of nearby corrosive gas.
Furthermore, the main cabinet body and the auxiliary cabinet 2 are internally provided with a plastic shell circuit breaker, and transparent insulating protection plates 7 are arranged in front of the plastic shell circuit breaker, so that electric shock hazard caused by door opening operation is prevented.
The utility model provides a low-voltage cabinet passes through the setting of main cabinet 1 and the separation of vice cabinet 2 and reaches the rational utilization to main cabinet 1 and vice cabinet 2 inner space, when having strengthened the product protection, has reduced the product volume, and 1 upper portion of main cabinet is frame circuit breaker 11, and the lower part is first moulded case circuit breaker group 12, and main cabinet 1 is qualified for the next round of competitions the cabinet with original inlet wire cabinet and merges together, make full use of main cabinet 1 space under the condition that satisfies the requirement, second moulded case circuit breaker group 21 with staggered arrangement around the third moulded case circuit breaker group 22, the follow-up cable erection of being convenient for, vice cabinet body front side space is used for installing measurement and control device 25 on the vice cabinet 2, further reduces the waste in cabinet body space, and it is external to move main cabinet 1 to vice cabinet 2 generating line 3, saves the middle cabinet body, reduces generating line 3 and occupies cabinet body space.
The utility model also provides a new forms of energy box-type substation, including above-mentioned embodiment the low-voltage board.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A low-voltage cabinet, comprising:
the main cabinet (1) comprises an upper main cabinet body and a lower main cabinet body, wherein a bus (3) incoming line opening is formed in the rear side of the upper main cabinet body, a frame breaker (11) communicated with the bus (3) is arranged in the upper main cabinet body, and a first molded case circuit breaker group (12) communicated with the frame breaker (11) through the bus (3) is arranged in the lower main cabinet body;
the auxiliary cabinet (2) is arranged on one side of the main cabinet (1), a preset gap (8) is formed between the auxiliary cabinet (2) and the main cabinet (1), the auxiliary cabinet (2) comprises an upper auxiliary cabinet body and a lower auxiliary cabinet body, a second plastic shell breaker group (21) and a third plastic shell breaker group (22) are respectively arranged in the upper auxiliary cabinet body and the lower auxiliary cabinet body, and the second plastic shell breaker group (21) and the third plastic shell breaker group (22) are arranged in a front-back staggered manner;
the molded case circuit breaker in the main cabinet (1) and the auxiliary cabinet (2) is communicated through a bus (3) in a preset gap (8) between the main cabinet (1) and the auxiliary cabinet (2).
2. The low-voltage cabinet according to claim 1, characterized in that an instrument box (4) is respectively connected to the outer side of the lower main cabinet body of the main cabinet (1) and the outer side of the auxiliary cabinet (2).
3. The low-voltage cabinet according to claim 1, characterized in that a main side door (13) and an auxiliary side door (23) are respectively arranged on the front side of the upper main cabinet body and the front side of the auxiliary cabinet body, a circuit breaker indicator lamp (14) is arranged on the main side door (13), and an indicating instrument (24) is arranged on the auxiliary side door (23).
4. The low-voltage cabinet according to claim 3, characterized in that the second molded case circuit breaker set (21) in the upper sub-cabinet body of the sub-cabinet (2) is arranged at the rear side in the upper sub-cabinet body of the sub-cabinet (2), and the measurement and control device (25) embedded in the side door (23) is arranged at the front side in the upper sub-cabinet body of the sub-cabinet (2).
5. Low-voltage cabinet according to any one of claims 1 to 4, characterized in that the preset gap (8) between the main cabinet (1) and the auxiliary cabinet (2) is not less than 200mm.
6. The low-voltage cabinet according to any one of claims 1 to 4, characterized in that the main cabinet (1) is fixedly connected with the top of the auxiliary cabinet (2) through a hanging plate (5).
7. The low-voltage cabinet according to claim 6, characterized in that a protective closing plate (6) is arranged at the front side of the preset gap (8) between the main cabinet (1) and the auxiliary cabinet (2).
8. Low-voltage cabinet according to claim 7, characterized in that the frame circuit breaker (11) input bus (3) leads to an out-of-box transformer through a flexible connection (15).
9. The low-voltage cabinet according to claim 8, characterized in that transparent insulating protection plates (7) are arranged on the inner front sides of the main cabinet body and the auxiliary cabinet body.
10. A new energy box-type substation, characterized in that it comprises a low-voltage cabinet according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221471540.4U CN217956403U (en) | 2022-06-13 | 2022-06-13 | Low-voltage cabinet and new forms of energy box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221471540.4U CN217956403U (en) | 2022-06-13 | 2022-06-13 | Low-voltage cabinet and new forms of energy box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217956403U true CN217956403U (en) | 2022-12-02 |
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ID=84216831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221471540.4U Active CN217956403U (en) | 2022-06-13 | 2022-06-13 | Low-voltage cabinet and new forms of energy box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217956403U (en) |
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2022
- 2022-06-13 CN CN202221471540.4U patent/CN217956403U/en active Active
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