Grid-connected and off-grid switching cabinet
By designing a gas convection heat dissipation structure with cabinet, heat insulation plate and louvers in the grid-to-offline switching cabinet, the problem of insufficient heat dissipation performance is solved, the stability and reliability of the equipment are improved, and the safety and convenience of the equipment are enhanced.
Patent Information
- Application Number
- CN202421943075.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing grid-connected and off-grid switching cabinets have poor heat dissipation performance, which makes them prone to failure when working for a long time in complex environments, affecting the normal operation of the power system.
A grid-connected switching cabinet was designed, which adopts a cabinet body, a first cabinet door and a second cabinet door structure. A heat insulation sealing plate is set between the grid switching device and the grid switching line control mechanism. Louvers form air convection for heat dissipation. Combined with lifting rings, raised base and moving rollers, the stability and reliability of the equipment are improved.
The unique heat dissipation structure reduces the temperature of the equipment during long-term operation, improving its stability and reliability, and enhancing its safety and convenience.
Smart Images
Figure CN223744213U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of power system especially relates to a parallel and off -grid switching cabinet. BACKGROUND
[0002] With the rapid development of new energy and the continuous expansion of the power market, the demand for parallel and off-grid switching cabinets is also increasing. Especially in the field of new energy, due to the characteristics of new energy generation such as large fluctuation and instability, higher requirements are put forward for the performance and stability of the parallel and off-grid switching cabinet.
[0003] In the prior art, most of the parallel and off-grid switching cabinets have low heat dissipation performance, which makes the parallel and off-grid switching cabinet prone to failure when working for a long time in complex environment, affecting the normal operation of the power system. UTILITY MODEL CONTENT
[0004] The utility model aims at at least solving one of the technical problems existing in the prior art, providing a parallel and off-grid switching cabinet, thereby reducing the temperature of the equipment when working for a long time through the unique heat dissipation structure, and improving the stability and reliability of the equipment.
[0005] To achieve the above-mentioned purpose, in the first aspect, the utility model embodiment provides a parallel and off-grid switching cabinet, comprising:
[0006] The cabinet body comprises a grid switching device and a grid switching line control mechanism, the grid switching device is used for parallel or off-grid to the external power system, the grid switching device is arranged at the top of the cabinet body, and the grid switching line control mechanism is arranged below the grid switching device;
[0007] The first cabinet door is arranged at the front of the cabinet body, and the first cabinet door comprises a first louver;
[0008] The second cabinet door is arranged at the rear of the cabinet body, and the second cabinet door comprises a second louver;
[0009] Among them, the heat insulation sealing plate is arranged between the grid switching device and the grid switching line control mechanism, the first louver and the grid switching device are opposite in space, the second louver and the grid switching device are opposite in space, the first louver and the second louver are opposite in space, and the first louver and the second louver are used to form gas convection in the heat space of the grid switching device to dissipate heat for the grid switching device.
[0010] Further, in some embodiments, the grid switching line control mechanism comprises a plurality of switching control switches, the switching control switches are used as control switches of the grid switching device, and each switching control switch is arranged side by side.
[0011] Further, in some embodiments, the grid switching mechanism comprises a wire harness seal plate for isolating cables inside the grid switching mechanism, the wire harness seal plate covering the front of each switching control switch, wherein the wire harness seal plate comprises a plurality of seal plate through holes, each seal plate through hole corresponding to a position of each switching control switch, and each switching control switch being in communication with the outside based on the corresponding seal plate through hole.
[0012] Further, in some embodiments, the heat insulation seal plate comprises a plurality of first wire protection holes for protecting cables connected between the grid switching device and the grid switching mechanism.
[0013] Further, in some embodiments, the first cabinet door and the second cabinet door each comprise a limiting rod for serving as a limiting component when the first cabinet door or the second cabinet door is in an open state.
[0014] Further, in some embodiments, the cabinet body further comprises a plurality of second wire protection holes, each second wire protection hole being for protecting cables connected between the cabinet body and an external power system, and each second wire protection hole being arranged at the bottom of the cabinet body.
[0015] Further, in some embodiments, the wire protection hole is circular or elliptical in shape.
[0016] Further, in some embodiments, the cabinet body further comprises a plurality of lifting rings for serving as hoisting connection components of the cabinet body, and each lifting ring is arranged at the top of the cabinet body.
[0017] Further, in some embodiments, the cabinet body further comprises a plurality of raised bases and a plurality of moving rollers, each raised base being arranged at a corner of the bottom of the cabinet body, and each moving roller being arranged below each raised base.
[0018] Further, in some embodiments, the cabinet body further comprises a plurality of detachable base baffles arranged between two raised bases, the base baffles being for protecting cables connected between the cabinet body and an external power system.
[0019] The grid switching cabinet has the following beneficial effects: the cabinet body, the first cabinet door and the second cabinet door are arranged, the cabinet body comprises a grid switching device and a grid switching line control mechanism, the grid switching device is used for grid connection or off-grid of an external power system, the grid switching device is arranged at the top of the cabinet body, and the grid switching line control mechanism is arranged below the grid switching device; the first cabinet door is arranged at the front of the cabinet body and comprises a first louver; the second cabinet door is arranged at the rear of the cabinet body and comprises a second louver; a heat insulation sealing plate is arranged between the grid switching device and the grid switching line control mechanism, the first louver is opposite to the grid switching device in space, the second louver is opposite to the grid switching device in space, the first louver is opposite to the second louver in space, the first louver and the second louver are used for forming gas convection in the heat space of the grid switching device to dissipate heat of the grid switching device, and therefore the unique heat dissipation structure can reduce the temperature of the equipment during long-time work and improve the stability and reliability of the equipment.
[0020] Other features and advantages of the present application will be further described in the following description, and become apparent from the description. The objectives and other advantages of the present application can be realized and obtained by the structure particularly pointed out in the description and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0021] The accompanying drawings are intended to provide a further understanding of the technical scheme of the present application, and constitute a part of the description, and together with the embodiments of the present application, are used to explain the technical scheme of the present application, and do not constitute a limitation on the technical scheme of the present application.
[0022] The present application will be further described below in combination with the drawings and embodiments;
[0023] Figure 1 is the overall structure diagram of the grid switching cabinet provided by some embodiments of the present application;
[0024] Figure 2 is the external structure diagram of the grid switching cabinet provided by some embodiments of the present application;
[0025] Figure 3 is the rear view of the grid switching cabinet provided by some embodiments of the present application;
[0026] Figure 4 is the overall structure diagram of the grid switching cabinet provided by some embodiments of the present application;
[0027] Figure 5 is the bottom view of the grid switching cabinet provided by some embodiments of the present application.
[0028] The accompanying drawings are as follows: parallel and off-grid switching cabinet 1000, cabinet body 1100, power grid switching device 1110, power grid switching wire control mechanism 1120, switching control switch 1121, wire harness sealing plate 1122, heat insulation sealing plate 1130, first wire protection hole 1131, lifting ring 1140, high base 1150, moving roller 1160, base baffle 1170, first cabinet door 1200, first louver 1210, second cabinet door 1300, second louver 1310, limiting rod 1400, second wire protection hole 1500. DETAILED DESCRIPTION
[0029] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.
[0030] In the description of the utility model, if the first, second is used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features, it should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0031] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be understood broadly, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.
[0032] With the rapid development of new energy and the continuous expansion of the power market, the demand for parallel and off-grid switching cabinets is also increasing. Especially in the field of new energy, due to the characteristics of new energy power generation such as large fluctuation and instability, higher requirements are put forward for the performance and stability of parallel and off-grid switching cabinets.
[0033] In the prior art, most of the parallel and off-grid switching cabinets have low heat dissipation performance, so that the parallel and off-grid switching cabinets are prone to failure when working for a long time in complex environments, affecting the normal operation of the power system.
[0034] Based on this, the utility model embodiment provides a kind of parallel and off-grid switching cabinet, by being equipped with cabinet, first cabinet door and second cabinet door, cabinet includes power grid switching device and power grid switching line control mechanism, power grid switching device is used to parallel or off-grid to external power system, power grid switching device is located at the top of cabinet, and power grid switching line control mechanism is located below power grid switching device;First cabinet door is located at the front of cabinet, and first cabinet door includes first louver;First cabinet door is located at the rear of cabinet, and second cabinet door includes second louver;Wherein, heat insulation sealing plate is arranged between power grid switching device and power grid switching line control mechanism, first louver and power grid switching device are opposite in space, second louver and power grid switching device are opposite in space, first louver and second louver are opposite in space, and first louver and second louver are used to form gas convection in the heat space of power grid switching device to heat dissipation for power grid switching device, to be further able to pass through the unique heat dissipation structure, the temperature of equipment when long time work is reduced, and the stability and reliability of equipment are improved.
[0035] Therefore, the utility model embodiment is further described below with reference to the drawings.
[0036] Refer to Figure 1 As shown in the figure, Figure 1 It is the overall structure diagram of parallel and off-grid switching cabinet provided by some embodiments of the utility model, Figure 2 It is the external structure diagram of parallel and off-grid switching cabinet provided by some embodiments of the utility model, Figure 3 It is the rear view of parallel and off-grid switching cabinet provided by some embodiments of the utility model, and parallel and off-grid switching cabinet 100 includes cabinet 1100, first cabinet door 1200 and second cabinet door 1300, and cabinet 1100 includes power grid switching device 1110 and power grid switching line control mechanism 1120, power grid switching device 1110 is used to parallel or off-grid to external power system, and power grid switching device 1110 is located at the top of cabinet, and power grid switching line control mechanism 1120 is located below power grid switching device 1110;First cabinet door 1200 is located at the front of cabinet 1100, and first cabinet door 1200 includes first louver 1210;First cabinet door 1200 is located at the rear of cabinet 1100, and second cabinet door 1300 includes second louver 1310.
[0037] Wherein, heat insulation sealing plate 1130 is arranged between power grid switching device 1110 and power grid switching line control mechanism 1120, first louver 1210 and power grid switching device 1110 are opposite in space, second louver 1310 and power grid switching device 1110 are opposite in space, first louver 1210 and second louver 1310 are opposite in space, and first louver 1210 and second louver 1310 are used to form gas convection in the heat space of power grid switching device 1110 to heat dissipation for power grid switching device 1110.
[0038] Further, fromFigure 1 It can be known that the grid switching wire control mechanism 1120 comprises a plurality of switching control switches 1121, which are used as control switches of the grid switching device 1110, and the switching control switches 1121 are arranged side by side.
[0039] Further, referring to Figure 1 It is shown that the grid switching wire control mechanism 1120 comprises a wire harness sealing plate 1122, which is used for isolating the cable inside the grid switching wire control mechanism 1120, and the wire harness sealing plate 1122 covers the front of each switching control switch 1121, wherein the wire harness sealing plate 1122 comprises a plurality of sealing plate through holes, the position of each sealing plate through hole corresponds to the position of each switching control switch 1121, and each switching control switch 1121 is communicated with the outside based on the corresponding sealing plate through hole.
[0040] Further, referring to Figure 1 It is shown that the heat insulation sealing plate 1130 comprises a plurality of first wire protection holes 1131, which are used for protecting the cable connected between the grid switching device 1110 and the grid switching wire control mechanism 1120, thereby improving the safety of the grid switching cabinet 1000.
[0041] It should be noted that the shape of the first wire protection hole 1131 is circular or elliptical.
[0042] Further, referring to Figure 1 It is shown that the first cabinet door 1200 and the second cabinet door 1300 both comprise a limiting rod 1400, which is used as a limiting part when the first cabinet door 1200 or the second cabinet door 1300 is in an open state, thereby avoiding the first cabinet door 1200 or the second cabinet door 1300 from being mistakenly closed when being opened.
[0043] Further, referring to Figure 1 It is shown that the cabinet body 1100 further comprises a plurality of lifting rings 1140, which are used as hoisting connecting parts of the cabinet body 1100, and each lifting ring 1140 is arranged at the top of the cabinet body 1100.
[0044] Further, referring to Figure 4 It is shown, Figure 4 It is the overall structure diagram of the grid switching cabinet provided by other embodiments of the utility model, and the cabinet body 1100 further comprises a plurality of high bases 1150, each high base 1150 is arranged at the corner of the bottom of the cabinet body 1100, thereby the height of the bottom of the cabinet body 1100 can be raised to facilitate the wiring of the cable at the bottom, and the mobility of the grid switching cabinet 1000 is improved.
[0045] The cabinet 1100 also includes multiple movable rollers 1160, each of which is located below each raised base 1150, thereby facilitating the movement of the on-grid switching cabinet 1000 and improving its convenience.
[0046] Furthermore, the cabinet 1100 also includes multiple detachable base baffles 1170, which are located between two raised bases 1150. The base baffles 1170 are used to protect the cables connecting the cabinet 1100 to the external power system, thereby facilitating forklift handling of the parallel-to-offline switching cabinet 1000 and improving the mobility of the parallel-to-offline switching cabinet 1000.
[0047] Furthermore, refer to Figure 5 As shown, Figure 5 This is a bottom view of the grid-connected switching cabinet provided in some embodiments of the present invention. The cabinet 1100 also includes a plurality of second cable protection holes 1500. The second cable protection holes 1500 are all used to protect the cables connecting the cabinet 1100 to the external power system. Each second cable protection hole 1500 is located at the bottom of the cabinet 1100, thereby improving the safety of the grid-connected switching cabinet 1000.
[0048] It should be noted that the second wire protection hole 1500 is circular or elliptical in shape.
[0049] It should be understood that in this utility model, "at least one (item)" refers to one or more, and "more than one" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, "A and / or B" can represent three cases: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one (item) of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one (item) of a, b, or c can represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be single or multiple.
[0050] In several embodiments provided by the utility model, it should be understood that the disclosed system and principle method can be realized by other ways. For example, the system embodiments described above are only illustrative, for example, the division of the above units is only a logical function division, and another division mode can be used in actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or other forms.
[0051] The units described above as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place or distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.
[0052] In addition, the functional units in each embodiment of the utility model can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of software functional unit.
[0053] If the integrated unit is realized in the form of software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on such understanding, the technical scheme of the utility model can be embodied in the form of software product in essence or in the form of all or part of the technical scheme that contributes to the prior art, and the computer software product is stored in a storage medium, including multiple instructions for executing all or part of the steps of the method of each embodiment of the utility model by a computer device (which can be a personal computer, a server or a network device).
[0054] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A grid tie and off grid switchgear, characterized in that, The utility model relates to a cabinet body, first cabinet door and second cabinet door, and belongs to the field of power supply equipment. The cabinet body comprises a cabinet body, an external power system, a grid switching device and a grid switching wire control mechanism. The grid switching device is used for grid connection or off-grid of the external power system. The grid switching device is arranged at the top of the cabinet body. The grid switching wire control mechanism is arranged below the grid switching device.
2. The on- and off-grid switchgear cabinet according to claim 1, characterized in that The first cabinet door is arranged at the front of the cabinet body.
3. The on- and off-grid switchgear cabinet according to claim 2, characterized in that The first cabinet door comprises a first louver.
4. The on- and off-grid switchgear cabinet according to claim 1, characterized in that The second cabinet door is arranged at the rear of the cabinet body.
5. The on and off grid switchgear cabinet of claim 1, wherein, The second cabinet door comprises a second louver.
6. The on- and off-grid switchgear cabinet according to claim 1, characterized in that The heat insulation sealing plate is arranged between the grid switching device and the grid switching wire control mechanism.
7. The on- and off-grid switchgear cabinet according to claim 6, characterized in that The first louver and the second louver are opposite to the grid switching device.
8. The on and off grid switchgear cabinet of claim 1, wherein, The first louver and the second louver are opposite to each other.
9. The on and off grid switchgear cabinet of claim 1, wherein, The first louver and the second louver are used for forming gas convection in the heat space of the grid switching device to dissipate heat of the grid switching device.
10. The parallel and off-grid switchgear cabinet according to claim 9, characterized in that, The grid switching wire control mechanism comprises a plurality of switching control switches. Each switching control switch is used as a control switch of the grid switching device. The switching control switches are arranged side by side. The grid switching wire control mechanism comprises a wire harness sealing plate. The wire harness sealing plate is used for isolating the cable inside the grid switching wire control mechanism. The wire harness sealing plate covers the front of each switching control switch. The wire harness sealing plate comprises a plurality of sealing plate through holes. The position of each sealing plate through hole corresponds to the position of each switching control switch. Each switching control switch is communicated with the outside based on the corresponding sealing plate through hole. The heat insulation sealing plate comprises a plurality of first wire protection holes. The first wire protection holes are used for protecting the cable connected between the grid switching device and the grid switching wire control mechanism. The first cabinet door and the second cabinet door each comprise a limiting rod. The limiting rod is used as a limiting part when the first cabinet door or the second cabinet door is in an open state. The cabinet body further comprises a plurality of second wire protection holes. Each second wire protection hole is used for protecting the cable connected between the cabinet body and the external power system. Each second wire protection hole is arranged at the bottom of the cabinet body. The second wire protection hole is circular or elliptical in shape. The cabinet body further comprises a plurality of lifting rings. Each lifting ring is used as a lifting connecting part of the cabinet body. Each lifting ring is arranged at the top of the cabinet body. The cabinet body further comprises a plurality of high bases and a plurality of moving rollers. Each high base is arranged at a corner of the bottom of the cabinet body. Each moving roller is arranged below each high base. The cabinet body further comprises a plurality of detachable base baffles. The base baffles are arranged between two high bases. The base baffles are used for protecting the cable connected between the cabinet body and the external power system.