Centralized control cabinet for mobile power station

Abstract

The utility model belongs to the technical field of petroleum drilling power stations, and particularly relates to a centralized control cabinet for a mobile power station, which comprises a centralized control cabinet body consisting of a front panel, a left sealing plate, a right sealing plate, a rear sealing plate, a top plate and a bottom plate, a split type structure is adopted in the centralized control cabinet body, the split type structure is divided into a first cabinet body and a second cabinet body through a cross beam with holes in a honeycomb shape, a first support and a second support are arranged on one side of the cross beam, and a first spring lock catch and a second spring lock catch are embedded in the first support and the second support respectively. A frequency converter with an external metal shell is arranged on one side of the first cabinet body, and the two sides of the metal shell are of air guide groove structures which are grooved in an echelon mode; the inner side of the left sealing plate and the inner side of the right sealing plate of the second cabinet body are each provided with a left sealing plate inner plate and a right sealing plate inner plate, and the left sealing plate inner plates and the right sealing plate inner plates are each of a honeycomb-shaped perforated structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of petroleum drilling power station, concretely relates to a centralized control cabinet for mobile power station. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] At present, control cabinets are widely used in various industrial occasions such as power, metallurgy, chemical industry, papermaking, environmental protection and sewage treatment industries, and can realize motor, switch electrical control, have overload, short circuit, open phase protection and other functions; The control cabinet mainly includes air switch, PLC, 24VDC power supply, relay and wiring terminal, and these components work together to realize the control of motor and other electrical equipment. The use conditions of the control cabinet include specific power supply, protection level and environmental conditions such as temperature, humidity, vibration, etc.

[0004] The existing control cabinet has certain defects, such as low integration of the control cabinet, not ideal anti-interference ability of the PLC cabinet, low space utilization rate in the cabinet body, and not compact enough of the component cable connection, which affects the stability of the control cabinet. SUMMARY

[0005] In order to solve the above problems, the utility model provides a centralized control cabinet for mobile power station, the front panel of control cabinet is set to split type interlocking structure, to ensure the safety of control cabinet operation, the frequency converter in the control cabinet is additionally provided with a metal shell, the metal shell is additionally provided with a stepped slot air guide groove structure and a cooling fan, and the metal shell is additionally provided with a metal shell to reduce the external radiation interference of high order harmonic; The beam in the split type structure of the control cabinet is set to a honeycomb structure, so as to accelerate the air circulation of the control cabinet in the process of use and quickly cool; The two sides of the lower part of the split type structure of the control cabinet are set to double-layer self-heating shell, the inner layer of the self-heating shell is set to an inner plate with a honeycomb structure, and the self-heating of the control cabinet is realized.

[0006] According to some embodiments, the utility model provides a centralized control cabinet for mobile power station, which adopts the following technical scheme:

[0007] The utility model provides a centralized control cabinet for mobile power station adopts centralized control cabinet cabinet body, the centralized control cabinet cabinet body includes front panel, left seal plate, right seal plate, rear seal plate, top plate and bottom plate, the front panel includes split first front panel and second front panel, the inside of centralized control cabinet cabinet body adopts split type structure, the split type structure is divided into first cabinet body and second cabinet body through the crossbeam of honeycomb opening, one side of crossbeam is provided with first support and second support, first support and second support are embedded with first spring lock catch and second spring lock catch respectively, one side of first cabinet body is provided with frequency converter of external metal shell, both sides of metal shell are the air -guiding groove structure of echelon slotting, the inside of left seal plate and right seal plate of second cabinet body is provided with left seal plate inner panel and right seal plate inner panel, left seal plate inner panel and right seal plate inner panel are honeycomb opening structure.

[0008] As a further technical limitation, the first spring lock catch and the second spring lock catch are in a split interlocking structure; the first spring lock catch and the second spring lock catch are both magnetic type electronic spring lock catches, which include a magnetic suction disc and an electronic spring switch.

[0009] Further, the first spring lock catch is arranged between the first front panel and the frequency converter.

[0010] Further, the first spring lock catch and the second spring lock catch are arranged away from the hinged part of the first front panel and the second front panel of the centralized control cabinet cabinet body.

[0011] As a further technical limitation, the air guiding groove structure includes three layers of guide plates, each layer of the guide plates is in a honeycomb opening zigzag sheet structure.

[0012] As a further technical limitation, the metal shell further includes an upper seal plate and a lower seal plate, both of which are arranged with a gap between the frequency converter, and the bottom of the frequency converter is provided with a plurality of supporting legs for supporting the frequency converter.

[0013] As a further technical limitation, a first heat dissipation fan is arranged between the air guiding groove structure and the frequency converter away from the side of the metal shell of the right seal plate.

[0014] Further, a second heat dissipation fan is arranged on the right seal plate close to the side of the frequency converter.

[0015] Further, the first heat dissipation fan and the second heat dissipation fan are matched in position and size.

[0016] As further technical limitations, the left sealing plate inner plate and the left sealing plate are filled with iron powder and carbon powder, and the right sealing plate inner plate and the right sealing plate are filled with iron powder and carbon powder; the left sealing plate inner plate, the left sealing plate, the filled iron powder and carbon powder, and the right sealing plate inner plate, the right sealing plate and the filled iron powder and carbon powder all constitute a self-heating shell.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The utility model discloses a front panel of control cabinet is set to split interlocking structure, guarantees the safety of control cabinet operation, and the frequency converter is additionally arranged metal shell in control cabinet, sets up the air -guiding groove structure of echelon slot and the cooling fan on the metal shell of additionally arranging, reduces the external radiation interference of high order harmonic based on the metal shell of additionally arranging, sets up the crossbeam of honeycomb structure in the split type structure of control cabinet, to accelerate the air circulation of control cabinet in the process of using, fast heat dissipation, sets up as double -deck self -heating shell to the both sides of lower part of split type structure of control cabinet, sets up the inner plate of honeycomb structure to the inner layer of self -heating shell, realizes the self -heating of control cabinet.

[0019] The utility model discloses the various device units of integrated control cabinet, reduced the consumption of cabinet material, improved the space utilization of control cabinet for mobile power station, improved frequency conversion control ability, stability and anti -interference ability, improved the operation efficiency of whole mobile power station, solved the problem, such as the low integrated degree of mobile power station centralized control cabinet of the past, the poor anti -interference ability of control cabinet, the low space utilization in cabinet, the not enough compactness of component cable connection, increased the stability of centralized control cabinet use. ACCURACY

[0020] The accompanying drawings which form a part of this specification are intended to provide further understanding of the present embodiment and are included solely for explanation's sake of the present embodiment and do not constitute an improper limitation to the present embodiment.

[0021] Figure 1 It is a structure schematic view of the centralized control cabinet for mobile power station in the utility model embodiment;

[0022] Figure 2 It is a structure schematic view of the opening front panel of the centralized control cabinet for mobile power station in the utility model embodiment;

[0023] Figure 3 It is a structure schematic view of the first spring lock and the second spring lock in the utility model embodiment;

[0024] Figure 4 It is a structure schematic view of the frequency converter of external metal shell in the utility model embodiment;

[0025] Figure 5 It is the schematic view of the air guide groove structure in the embodiment of the utility model;

[0026] Figure 6 It is the schematic view of the air flow of the cooling air guide groove in the embodiment of the utility model;

[0027] Figure 7 It is the schematic view of the air flow of the self-heating type shell flow groove in the embodiment of the utility model;

[0028] Figure 8 It is the structural schematic view of the honeycomb hole plate in the embodiment of the utility model;

[0029] Among them, 1, top plate; 2, left sealing plate; 3, right sealing plate; 4, bottom plate; 5, first front panel; 6, second front panel; 7, crossbeam; 8, lug; 9, shock pad; 10, first cooling fan; 11, second cooling fan; 12, circuit breaker; 13, first spring lock buckle; 14, second spring lock buckle; 15, relay; 16, self-heating type shell; 17, filler; 18, left sealing plate inner plate; 19, right sealing plate inner plate; 20, first support; 21, second support; 22, first magnetic suction disc; 23, first electronic spring switch; 24, second magnetic suction disc; 25, second electronic spring switch; 26, frequency converter; 27, upper sealing plate; 28, lower sealing plate; 29, first flow guide plate; 30, second flow guide plate; 31, third flow guide plate; 32, fourth flow guide plate; 33, fifth flow guide plate; 34, sixth flow guide plate; 35, honeycomb hole; 36, honeycomb hole plate; 37, supporting leg. DETAILED DESCRIPTION

[0030] The application will be further described below in conjunction with the drawings and embodiments.

[0031] It should be noted that the following detailed description is exemplary and is intended to provide further description of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0032] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0033] In the present application, the terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a relationship word determined for the convenience of describing the structural relationship of the components or elements of the present application, and cannot be understood as a limitation on the present application.

[0034] In the present application, the terms such as "fixedly connected", "connected", "connected" should be understood broadly, which means that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in the art, the specific meaning of the above terms in the present application can be determined according to the specific circumstances, and cannot be understood as a limitation on the present application.

[0035] Embodiment

[0036] The utility model embodiment provides a centralized control cabinet for mobile power station.

[0037] The centralized control cabinet for mobile power station in the embodiment comprises split front panel, left sealing plate, right sealing plate, rear sealing plate, top plate, bottom plate, mounting beam, lining plate, inner operation panel, lifting lug, skirt corner and shock absorbing foot, the upper half of split front panel is provided with multifunctional table, frequency conversion display instrument, hand automatic change over switch and potentiometer, the lower half of front panel is provided with running indicator light, stop indicator light, fault indicator light, switch knob and switch button, the inner operation panel is integrated with total incoming line circuit breaker, branch circuit breaker, relay, motor protector, PLC controller, frequency converter, filter magnetic ring, terminal, ground row and zero row, the right side plate is provided with special cooling fan of frequency converter, the bottom plate is provided with filter reactor, incoming and outgoing line opening and gran, the bottom plate is provided with incoming and outgoing line opening and gran.

[0038] Next, the structure of the centralized control cabinet for mobile power station will be described in detail with reference to the drawings.

[0039] As Figure 1 shown, the centralized control cabinet for mobile power station comprises top plate 1, left sealing plate 2, right sealing plate 3, bottom plate 4, first front panel 5, second front panel 6, cross beam 7, lifting lug 8 and shock absorbing pad 9, wherein the cross beam 7 divides the front panel of the centralized control cabinet into the first front panel 5 and the second front panel 6 in split structure, the outer part of the top plate 1 is fixedly connected with the lifting lug 8 for lifting the centralized control cabinet, and the outer part of the bottom plate 4 is provided with the shock absorbing pad 9 for buffering the centralized control cabinet.

[0040] It should be noted that the cross beam 7 is in a honeycomb structure.

[0041] The structure diagram of the centralized control cabinet after opening the first front panel 5 and the second front panel 6 is shown in Figure 2 ; the crossbeam 7 divides the cabinet body of the centralized control cabinet into a first cabinet body (not marked in the figure) in the upper part and a second cabinet body (not marked in the figure) in the lower part; the first support 20 and the second support 21 are arranged on one side of the crossbeam 7, and the first spring lock 13 and the second spring lock 14 are respectively embedded on the first support 20 and the second support 21; the frequency converter 26 is arranged in the first cabinet body close to the side of the first support 20 and the second support 21, and a metal shell (not shown in the figure) is arranged on the outer side of the frequency converter 26; the circuit breaker 12 and the relay 15 are further arranged in the second cabinet body; the inner sides of the left sealing plate 2 and the right sealing plate 3 of the second cabinet body are respectively provided with the left sealing plate inner plate 18 and the right sealing plate inner plate 19, and the left sealing plate inner plate 18 and the right sealing plate inner plate 19 are both in a honeycomb-shaped open hole structure.

[0042] It should be noted that the first spring lock 13 and the second spring lock 14 are in a split interlocking structure.

[0043] As shown in Figure 3 , the first spring lock 13 and the second spring lock 14 are both magnetic type electronic spring locks; wherein the first spring lock 13 comprises a first magnetic suction disc 22 and a first electronic spring switch 23; the second spring lock 14 comprises a second magnetic suction disc 24 and a second electronic spring switch 25.

[0044] The interlocking structure design of the split panel in the embodiment is realized by installing two magnetic type electronic spring locks, so that when the first front panel 5 and the second front panel 6 are closed at the same time, the locks are in a power-off state, and one of the front panels can be opened at will. When one of the front panels is opened, the press type switch is activated, and the other front panel will be locked in a magnetic way and cannot be opened.

[0045] It should be noted that there is a certain gap between the frequency converter 26 and the first front panel 5, so as to facilitate the arrangement of the first spring lock 13 and the second spring lock 14; and the frequency converter 26 is arranged on the side away from the hinged part of the first front panel 5 and the cabinet body of the centralized control cabinet.

[0046] As shown in Figure 4 and Figure 5As shown, the left and right sides of the metal shell are in a stepped slot air guide groove structure, and the upper and lower sides are respectively provided with an upper sealing plate 27 and a lower sealing plate 28; the air guide groove structure includes three layers of guide plates, each layer of guide plate is in a honeycomb-shaped aperture zigzag sheet structure, that is, a first guide plate 29, a second guide plate 30, a third guide plate 31, a fourth guide plate 32, a fifth guide plate 33 and a sixth guide plate 34; the upper sealing plate 27 and the lower sealing plate 28 are both provided with a gap between the frequency converter 26, and the bottom of the frequency converter 26 is provided with a plurality of supporting legs 37 for supporting the frequency converter 26; the air guide groove structure on the side of the metal shell away from the right sealing plate 3 and the frequency converter 26 are provided with a first cooling fan 10; the right sealing plate 3 close to the side of the frequency converter 26 is provided with a second cooling fan 11; the positions and sizes of the first cooling fan 10 and the second cooling fan 11 are matched.

[0047] The embodiment increases the metal shell outside the frequency converter 26 to wrap the frequency converter, and the heat dissipation mode is realized through the self-designed three-section air guide groove; specifically, six steel plates are steppedly slotted through stamping, all the slotted air guide grooves are staggered, and the six steel plates are installed in three on the left side and three on the right side, respectively; after installation, the slotted steel plate at the most internal air outlet is installed with a cooling fan to blow air outward, forming negative pressure inside, and at the same time, the slotted steel plate at the air inlet is blown by the cooling fan on the control cabinet shell to increase the air inlet amount; since the metal shell is added on the frequency converter and the direct external communication opening is reduced, the external radiation interference of high-order harmonics can be reduced.

[0048] It should be noted that the left sealing plate inner plate 18 and the left sealing plate 2, and the right sealing plate inner plate 19 and the right sealing plate 3 are both provided with a filler 17 (the filler in the embodiment includes iron powder and carbon powder); the left sealing plate inner plate 18, the left sealing plate 2 and the filler 17, and the right sealing plate inner plate 19, the right sealing plate 3 and the filler 17 all constitute a self-heating type shell 16.

[0049] In the embodiment, the left sealing plate inner plate 18, the right sealing plate inner plate 19 and the cross beam 7 all adopt a honeycomb structure, specifically as shown in Figure 8 , including a honeycomb hole 35 and a honeycomb hole plate 36.

[0050] After the first cooling fan 10 blows out the air, the heat is led out through the guide groove, and at the same time, the negative pressure generated by the first cooling fan 10 and the blowing of the control cabinet fan can accelerate the air circulation of the guide groove and quickly take out the heat; as shown in Figure 6 .

[0051] When transported in a low-temperature environment, the iron powder is combined with air to generate materials through oxidation by the vibration of the transport vehicle; and the carbon powder is mainly used to adsorb condensed water generated during the adding process to dry the inside of the control cabinet. Figure 7

[0052] The front panel of the control cabinet is provided in a split interlocking structure to ensure the safety of the operation of the control cabinet; a metal shell is additionally provided outside the frequency converter in the control cabinet, a stepped slotted air guide groove structure and a cooling fan are provided on the additionally provided metal shell, and the additionally provided metal shell is used to reduce the external radiation interference of high-order harmonics; a cross-shaped structure is provided in the middle of the split structure of the control cabinet to accelerate the air circulation and rapid heat dissipation of the control cabinet during use; the two sides of the lower part of the split structure of the control cabinet are provided as double-layer self-heating shells, and the inner layer of the self-heating shells is provided as a honeycomb-shaped inner plate to realize self-heating of the control cabinet.

[0053] The embodiment integrates various device units of the control cabinet, reduces the consumption of cabinet materials, improves the space utilization of the control cabinet for mobile power stations, improves the frequency conversion control capability, stability and anti-interference capability, and improves the operation efficiency of the entire mobile power station; solves the problems of low integration, poor anti-interference capability of the control cabinet, low space utilization in the cabinet, and not compact enough of the connection of components and cables of the previous mobile power station centralized control cabinet, and increases the stability of the use of the centralized control cabinet.

[0054] The above only describes preferred embodiments of the present application and is not used to limit the present application, and for those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0055] The above describes the specific embodiments of the present application in combination with the drawings, but is not a limitation on the protection scope of the present application, and those skilled in the art should understand that various modifications or changes made on the basis of the technical solutions of the present application without creative labor are still within the protection scope of the present application.​

Claims

1. A centralized control cabinet for mobile power stations, adopting a centralized control cabinet cabinet body, the centralized control cabinet cabinet body comprising a front panel, a left sealing plate, a right sealing plate, a rear sealing plate, a top plate and a bottom plate, characterized in that, The front panel comprises a split first front panel and a second front panel, the centralized control cabinet body is internally split, the split structure is divided into a first cabinet body and a second cabinet body through a crossbeam with a honeycomb opening, one side of the crossbeam is provided with a first support and a second support, a first spring lock and a second spring lock are respectively embedded on the first support and the second support, one side of the first cabinet body is provided with a frequency converter with an external metal shell, both sides of the metal shell are air guide groove structures with stepped slots; the inner sides of the left sealing plate and the right sealing plate of the second cabinet body are provided with a left sealing plate inner plate and a right sealing plate inner plate, the left sealing plate inner plate and the right sealing plate inner plate are both honeycomb opening structures.

2. A centralized control cabinet for mobile electric stations as claimed in claim 1, characterized in that, The first spring lock and the second spring lock are split interlocking structures; the first spring lock and the second spring lock are both magnetic type electronic spring locks, and the magnetic type electronic spring lock comprises a magnetic suction disc and an electronic spring switch.

3. A centralized control cabinet for mobile electric stations as claimed in claim 2, characterized in that, The first spring lock is arranged between the first front panel and the frequency converter.

4. A centralized control cabinet for mobile electric stations as claimed in claim 2, characterized in that, The first spring lock and the second spring lock are arranged away from the hinged part of the centralized control cabinet body and the first front panel and the second front panel.

5. A centralized control cabinet for mobile electric stations as claimed in claim 1, characterized in that, The air guide groove structure comprises three layers of guide plates, each layer of the guide plate is a honeycomb opening zigzag sheet structure.

6. A centralized control cabinet for mobile electric stations as claimed in claim 1, characterized in that, The metal shell further comprises an upper sealing plate and a lower sealing plate, gaps are arranged between the upper sealing plate, the lower sealing plate and the frequency converter, and a plurality of supporting legs are arranged at the bottom of the frequency converter for supporting the frequency converter.

7. A centralized control cabinet for mobile electric stations as claimed in claim 1, characterized in that, A first heat dissipation fan is arranged between the air guide groove structure and the frequency converter away from the right sealing plate side of the metal shell.

8. A centralized control cabinet for a mobile electric station as defined in claim 7, characterized in that A second heat dissipation fan is arranged outside the right sealing plate close to the frequency converter side.

9. A centralized control cabinet for a mobile electric station as defined in claim 8, characterized in that The positions and sizes of the first heat dissipation fan and the second heat dissipation fan are matched.

10. A centralized control cabinet for mobile electric stations as claimed in claim 1, characterized in that, The left sealing plate inner plate and the left sealing plate, and the right sealing plate inner plate and the right sealing plate are both filled with iron powder and carbon powder; the left sealing plate inner plate, the left sealing plate, the filled iron powder and carbon powder, the right sealing plate inner plate, the right sealing plate and the filled iron powder and carbon powder all constitute a self-heating type shell.

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