Frequency conversion control cabinet for electric submersible pump

Abstract

The utility model discloses a variable-frequency control cabinet for an electric submersible pump, which comprises a variable-frequency control cabinet main body, a controller is arranged on the side wall of the variable-frequency control cabinet main body in a penetrating manner, a fan main body is arranged at the top end of the variable-frequency control cabinet main body in a penetrating manner, and the front end of the bottom of the variable-frequency control cabinet main body is provided with a protection assembly for enhancing moisture resistance. According to the frequency conversion control cabinet for the electric submersible pump, by arranging a first built-in groove, a second built-in groove, a first allochroic silica gel baffle, a second allochroic silica gel baffle, a limiting circular groove and a connecting insertion rod, damp air in the frequency conversion control cabinet body can be rapidly absorbed, and it is ensured that parts in the frequency conversion control cabinet body are not corroded and damaged by moisture; the problems that the cabinet body is limited in moisture-proof performance, parts in the frequency conversion control cabinet are easily affected with damp and damaged when the cabinet body is in humid air for a long time, powerful moisture-proof protection cannot be provided according to actual use conditions, and the use limitation is large are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency conversion control cabinets, in particular to a frequency conversion control cabinet for a submersible electric pump. Background Art

[0002] Submersible electric pumps are highly efficient mechanical oil production equipment commonly used in industrial production. They can improve the oil production rate and ultimate recovery rate of oil fields. Submersible electric pumps consist of two parts: downhole and wellhead. The downhole part includes submersible electric pumps, protectors, separators, lead cables, submersible cables and downhole sensors. The wellhead part includes wellheads, junction boxes, control cabinets, transformers and frequency converters.

[0003] The start-up of a submersible pump is a high-energy consumption process. The use of a frequency converter can control the voltage, frequency and other parameters during the start-up process to control the current of the submersible pump during the start-up process, thereby reducing the impact of the start-up current on the power grid. At the same time, the frequency converter can also enable the submersible pump to operate according to actual needs and achieve low-power operation when the oil volume is small, thereby achieving energy-saving effects. The frequency converter currently used relies on its own protective materials for protection, but the overall moisture-proof performance is limited. Long-term exposure to humid air can easily cause the internal parts of the frequency converter control cabinet to be damaged by moisture. It cannot provide strong moisture-proof protection according to the actual situation of use, and has great limitations in use.

[0004] Therefore, a new type of frequency conversion control cabinet for submersible electric pump is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a frequency conversion control cabinet for a submersible electric pump, so as to solve the problems proposed in the above-mentioned background technology that the cabinet has limited moisture-proof performance, and the internal parts of the frequency conversion control cabinet are easily damaged by moisture when in humid air for a long time, and it is impossible to provide strong moisture-proof protection according to the actual situation of use, and the use is relatively limited.

[0006] To achieve the above object, the utility model provides the following technical solutions: a frequency conversion control cabinet for a submersible electric pump, comprising a frequency conversion control cabinet body, a controller is provided through the side wall of the frequency conversion control cabinet body, a fan body is provided through the top of the frequency conversion control cabinet body, and a protective component for enhancing moisture-proof performance is provided at the front end of the bottom of the frequency conversion control cabinet body;

[0007] The protection component includes a first built-in groove, a second built-in groove, a first color-changing silicone baffle, a side plate, a through hole, a second color-changing silicone baffle and a connecting rod. The front end of the bottom of the frequency conversion control cabinet body is provided with a first built-in groove and a second built-in groove from left to right in sequence. The first built-in groove and the second built-in groove are provided with a plurality of groups of through holes transversely therein. The two sides of the through hole are fixedly connected with side plates. The side plates are provided with a limited circular groove therein. The front ends of the first built-in groove and the second built-in groove are correspondingly fitted and connected with the second color-changing silicone baffle and the first color-changing silicone baffle.

[0008] Preferably, the rear ends of both sides of the first color-changing silicone baffle and the second color-changing silicone baffle are fixedly connected with connecting rods, and the connecting rods are snap-fitted and fixed inside the limiting circular grooves, and the front end outside the frequency conversion control cabinet body is fixedly connected with two sets of handles.

[0009] Preferably, both sides of the first color-changing silicone baffle and the second color-changing silicone baffle are fixedly connected to the push plate, and the length of the first built-in groove is greater than the length of the second built-in groove.

[0010] Preferably, a dust filter is fixedly connected to the front end of the fan body, a pull plate is fixedly connected to the top end of the outside of the fan body, a fixing seat is fixedly connected to the bottom end of both sides of the fan body, and the fixing seat has an internal vertical fastening bolt, and the bottom end of the fastening bolt passes through the top end of the frequency conversion control cabinet body.

[0011] Preferably, the top end of the fixing seat is fixedly connected with a positioning sleeve, the threads on the outside of the fastening bolt match the threads on the inner wall of the positioning sleeve, and the top end of the fastening bolt passes through the interior of the positioning sleeve and is fixedly connected with a knob.

[0012] Preferably, the bottom end of the exterior of the frequency conversion control cabinet body is fixedly connected to a support base, and the centers of the front and rear ends of the support base are fixedly connected to support frames, the support frames are inclined, and the width of the bottom of the support frame is greater than the width of the top of the support frame.

[0013] Preferably, grooves are provided at four corners of the bottom end of the support base, and the bottom ends of the grooves are fixedly connected to a bottom plate.

[0014] Preferably, two groups of mounting bolts are vertically penetrated inside the base plate, the bottoms of the mounting bolts are pointed, and nuts are fixedly connected to the tops of the mounting bolts.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the frequency conversion control cabinet for the submersible electric pump not only realizes the strong moisture-proof function, realizes the convenient disassembly and assembly function, but also realizes the stable support function;

[0016] (1) By providing a first built-in groove, a second built-in groove, a first color-changing silicone baffle, a second color-changing silicone baffle, a limiting circular groove and a connecting rod, the first color-changing silicone baffle and the second color-changing silicone baffle are correspondingly installed at the front end of the first built-in groove and the second built-in groove, and the humid air in the main body of the frequency conversion control cabinet can be quickly absorbed through the through hole by using its own strong adsorption, so as to ensure that the parts inside the main body of the frequency conversion control cabinet are not damaged by moisture erosion, improve the moisture-proof performance, and provide a full-range moisture-proof dry environment for the main body of the frequency conversion control cabinet. The connecting rod is fixed in the limiting circular groove by using a snap-fit ​​structure, so that the first color-changing silicone baffle and the second color-changing silicone baffle can be easily disassembled and replaced, and the structural flexibility is relatively high;

[0017] (2) The fan body, dust filter, pull plate, fixing seat, positioning sleeve, fastening bolt and knob are provided. The fan body can speed up the air flow inside and outside the inverter control cabinet body, quickly discharge the heat accumulated inside, use the dust filter to perform deep filtration, remove dust and other particles in the flowing air, and install the fan body on the top of the inverter controller body by rotating the fastening bolt through the inside of the fixing seat, so as to facilitate the subsequent removal and cleaning of the dust filter. The positioning sleeve can guide the fastening bolt to move up and down, so as to avoid the fastening bolt from being misaligned and affecting the firmness of the installation;

[0018] (3) By providing a support base, a bottom plate, mounting bolts, nuts and a support frame, the support base is installed and fixed by using multiple sets of mounting bolts to rotate downward inside the bottom plate, ensuring that the main body of the frequency conversion control cabinet is always in a stable position during use without position displacement. The support frame and the support base cooperate with each other to increase the contact area between the support base and the ground, provide strong support force for both ends of the frequency conversion control cabinet body, enhance firmness, and simplify the operation steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the top view of the structure of the second color-changing silica gel baffle of the utility model;

[0021] Figure 3 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;

[0022] Figure 4 It is a side structural schematic diagram of the support base of the utility model.

[0023] In the figure: 1. Support base; 2. Frequency conversion control cabinet body; 3. Controller; 4. Pull plate; 5. Fan body; 6. Dust filter; 7. First built-in slot; 8. Handle; 9. Second built-in slot; 10. First color-changing silicone baffle; 11. Side panel; 12. Limiting circular groove; 13. Bottom plate; 14. Mounting bolt; 15. Nut; 16. Through hole; 17. Second color-changing silicone baffle; 18. Groove; 19. Connecting rod; 20. Push plate; 21. Positioning sleeve; 22. Knob; 23. Fastening bolt; 24. Fixed seat; 25. Support frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 A frequency conversion control cabinet for a submersible electric pump comprises a frequency conversion control cabinet body 2, a controller 3 is provided through the side wall of the frequency conversion control cabinet body 2, a fan body 5 is provided through the top of the frequency conversion control cabinet body 2, and a protective component for enhancing moisture-proof performance is provided at the front end of the bottom of the frequency conversion control cabinet body 2;

[0026] The protection component includes a first built-in groove 7, a second built-in groove 9, a first color-changing silicone baffle 10, a side plate 11, a through hole 16, a second color-changing silicone baffle 17 and a connecting rod 19. The front end of the bottom of the frequency conversion control cabinet body 2 is provided with the first built-in groove 7 and the second built-in groove 9 from left to right in sequence. A plurality of groups of through holes 16 are horizontally provided inside the first built-in groove 7 and the second built-in groove 9. The side plates 11 are fixedly connected to both sides of the through hole 16. The side plates 11 are provided inside with a limited circular groove 12. The front ends of the first built-in groove 7 and the second built-in groove 9 are correspondingly fitted and connected with the second color-changing silicone baffle 17 and the first color-changing silicone baffle 10.

[0027] The rear ends of both sides of the first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are fixedly connected with connecting rods 19, and the connecting rods 19 are fixedly engaged in the inner part of the limiting circular groove 12, and the front end of the outer part of the frequency conversion control cabinet body 2 is fixedly connected with two sets of handles 8;

[0028] Both sides of the first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are fixedly connected to the push plate 20, and the length of the first built-in groove 7 is greater than the length of the second built-in groove 9;

[0029] Specifically, Figure 1 and Figure 2As shown, when in use, the first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are correspondingly fitted on the front ends of the second built-in groove 9 and the first built-in groove 7 until the connecting rod 19 is snap-fitted and fixed inside the corresponding limiting circular groove 12, and the first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are fixed at the current position, and the first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 use their own adsorption properties to quickly absorb the humid air inside the frequency conversion control cabinet body 2 through a plurality of through holes 16.

[0030] Embodiment 2: The front end of the fan body 5 is fixedly connected with a dust filter 6, the top of the outside of the fan body 5 is fixedly connected with a pull plate 4, the bottom ends of both sides of the fan body 5 are fixedly connected with a fixing seat 24, the inside of the fixing seat 24 is vertically fastened with a bolt 23, and the bottom end of the fastening bolt 23 passes through the top of the frequency conversion control cabinet body 2;

[0031] The bottom end of the frequency conversion control cabinet body 2 is fixedly connected to the support base 1, and the center of the front and rear ends of the support base 1 are fixedly connected to the support frame 25, the support frame 25 is inclined, and the width of the bottom of the support frame 25 is greater than the width of the top of the support frame 25;

[0032] Specifically, Figure 1 and Figure 3 As shown, when in use, the fan body 5 is set through the top of the frequency conversion control cabinet body 2, and two sets of fixing seats 24 are located on the top thereof. After turning the knob 22 in sequence, the fastening bolt 23 is driven to rotate and move downward inside the positioning sleeve 21 until the fixing seat 24 is fixed on the top of the frequency conversion control cabinet body 2.

[0033] Embodiment 3: The bottom end of the outside of the frequency conversion control cabinet body 2 is fixedly connected with a support base 1, and the center of the front end and the rear end of the support base 1 are fixedly connected with a support frame 25, the support frame 25 is inclined, and the width of the bottom of the support frame 25 is greater than the width of the top of the support frame 25;

[0034] The four corners of the bottom of the support base 1 are all provided with grooves 18, and the bottom end of the groove 18 is fixedly connected to the bottom plate 13;

[0035] Two sets of mounting bolts 14 are vertically penetrated inside the bottom plate 13. The bottom of the mounting bolts 14 is pointed, and the top of the mounting bolts 14 is fixedly connected with nuts 15.

[0036] Specifically, Figure 1 and Figure 4As shown, when in use, multiple sets of mounting bolts 14 are used to rotate and move downward inside the bottom plate 13 to install and fix the support base 1, ensuring that the frequency conversion control cabinet body 2 is always in a stable position during use without position displacement. The support frame 25 cooperates with the support base 1 to increase the contact area between the support base 1 and the ground, providing strong support force for both ends of the frequency conversion control cabinet body 2.

[0037] Working principle: When the utility model is in use, the nut 15 drives the mounting bolt 14 to penetrate the interior of the bottom plate 13 to install and fix the support base 1. The first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are correspondingly fitted to the front ends of the second built-in groove 9 and the first built-in groove 7 until the connecting rod 19 is snap-fitted and fixed in the corresponding limiting circular groove 12. The first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are fixed in the current position. The adsorption properties of the first color-changing silicone baffle 10 and the second color-changing silicone baffle 17 are used to quickly absorb the humid air inside the frequency conversion control cabinet body 2 through a plurality of through holes 16. After the fan body 5 is running, the heat in the frequency conversion control cabinet body 2 is quickly discharged, and the flowing air can be deeply filtered when passing through the dust filter 6.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A frequency conversion control cabinet for a submersible electric pump, comprising a frequency conversion control cabinet body (2), characterized in that: A controller (3) is provided through the side wall of the frequency conversion control cabinet body (2), a fan body (5) is provided through the top of the frequency conversion control cabinet body (2), and a protective component for enhancing moisture-proof performance is provided at the front end of the bottom of the frequency conversion control cabinet body (2); The protection component comprises a first built-in groove (7), a second built-in groove (9), a first color-changing silicone baffle (10), a side plate (11), a through hole (16), a second color-changing silicone baffle (17) and a connecting rod (19); the front end of the bottom of the frequency conversion control cabinet body (2) is provided with the first built-in groove (7) and the second built-in groove (9) in sequence from left to right; a plurality of groups of through holes (16) are transversely provided inside the first built-in groove (7) and the second built-in groove (9); the side plates (11) are fixedly connected to both sides of the through hole (16); a limited circular groove (12) is provided inside the side plate (11); the front ends of the first built-in groove (7) and the second built-in groove (9) are correspondingly fitted and connected with the second color-changing silicone baffle (17) and the first color-changing silicone baffle (10).

2. A frequency conversion control cabinet for a submersible electric pump according to claim 1, characterized in that: The rear ends of both sides of the first color-changing silicone baffle (10) and the second color-changing silicone baffle (17) are fixedly connected with connecting rods (19), and the connecting rods (19) are snap-fitted and fixed inside the limiting circular groove (12). The front end outside the frequency conversion control cabinet body (2) is fixedly connected with two sets of handles (8).

3. A frequency conversion control cabinet for a submersible electric pump according to claim 1, characterized in that: Both sides of the first color-changing silicone baffle (10) and the second color-changing silicone baffle (17) are fixedly connected to a push plate (20), and the length of the first built-in groove (7) is greater than the length of the second built-in groove (9).

4. A frequency conversion control cabinet for a submersible electric pump according to claim 1, characterized in that: The front end of the fan body (5) is fixedly connected to a dust filter (6), the top end of the outside of the fan body (5) is fixedly connected to a pull plate (4), the bottom ends of both sides of the fan body (5) are fixedly connected to a fixing seat (24), the fixing seat (24) has an internal vertical fastening bolt (23), and the bottom end of the fastening bolt (23) passes through the top end of the frequency conversion control cabinet body (2).

5. A frequency conversion control cabinet for a submersible electric pump according to claim 4, characterized in that: The top end of the fixing seat (24) is fixedly connected to a positioning sleeve (21), the outer thread of the fastening bolt (23) matches the thread of the inner wall of the positioning sleeve (21), and the top end of the fastening bolt (23) passes through the interior of the positioning sleeve (21) and is fixedly connected to a knob (22).

6. The frequency conversion control cabinet for a submersible electric pump according to claim 1, characterized in that: The bottom end of the outside of the frequency conversion control cabinet body (2) is fixedly connected to a support base (1), and the center of the front end and the rear end of the support base (1) are fixedly connected to a support frame (25), and the support frame (25) is inclined, and the width of the bottom of the support frame (25) is greater than the width of the top of the support frame (25).

7. A frequency conversion control cabinet for a submersible electric pump according to claim 6, characterized in that: Grooves (18) are provided at four corners of the bottom end of the support base (1), and the bottom end of the groove (18) is fixedly connected to the bottom plate (13).

8. A frequency conversion control cabinet for a submersible electric pump according to claim 7, characterized in that: Two groups of mounting bolts (14) are vertically penetrated inside the bottom plate (13), the bottom of the mounting bolts (14) is pointed, and the top of the mounting bolts (14) is fixedly connected with a nut (15).

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