CN115954179A - A DCAC medium and long-distance voltage quality improvement device - Google Patents

Abstract

The invention discloses a DCAC medium-long distance voltage quality improving device, which comprises a driving component, a plurality of wind shielding components and a limiting component, wherein the driving component comprises a wind cup piece, a transmission piece meshed with the wind cup piece, a group of wind shielding pieces meshed with the transmission piece, and the limiting component is positioned on the outer side of the transmission piece; the transformation assembly comprises a transformation box part connected with the limiting part, a transmission part connected with the transformation box part, and a box door part positioned on the transformation box part. According to the invention, the wind cup rotates to provide power, so that the wind shield can block the heat dissipation window, and thus, the situation that external dust enters the voltage quality improving device to cause short circuit of an electric appliance in the voltage quality improving device is avoided.

Description

A DCAC medium and long-distance voltage quality improvement device

technical field

The invention relates to the technical field of electric power, in particular to a DCAC medium and long-distance voltage quality improvement device.

Background technique

The DC/AC medium and long-distance voltage quality improvement device is a special voltage stabilizing device for rural power grids developed for the actual situation of poor power supply quality such as power supply voltage drop and voltage drop caused by long power supply lines and large load changes in rural power grids. The scope of tap voltage regulation is enlarged, and the voltage stabilizing capability of transformer tap changer is improved. The DC/AC medium and long-distance voltage quality improvement device plays a role in boosting (or stepping down) and stabilizing the back-end voltage, thereby ensuring the quality of power supply and improving the voltage qualification rate, without extending the 10KV line or adding new power distribution transformer. And the output is sine wave, no harmonic interference, high output efficiency, can work continuously for a long time, can withstand short-term overload, strong overload capacity, suitable for a wide range of loads, and can work with various equipment (such as harmonic elimination, reactive power compensation equipment ), it is very suitable for applications in large and medium power applications. The launch of the DC/AC medium and long-distance voltage quality improvement device provides an economical and convenient solution for the low-voltage power distribution network with low (or high) voltage and unstable power supply quality, which not only saves a lot of money for the power sector Manpower and material resources, and provide users with stable and reliable power supply quality, thus greatly reducing the investment in rural power grid transformation.

Existing voltage quality improvement devices are often equipped with heat dissipation windows for heat dissipation, so as to avoid heat accumulation inside the voltage quality improvement device and cause electrical overheating, and in a windy environment, dust in the air is easy to pass through the heat dissipation windows Enter the interior of the voltage quality improvement device, resulting in a short circuit of the electrical appliance and affecting the use of the staff.

Contents of the invention

The purpose of this section is to outline some aspects of embodiments of the invention and briefly describe some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and titles of this application, to avoid obscuring the purpose of this section, the abstract and titles, and such simplifications or omissions should not be used to limit the scope of the invention.

The present invention is proposed in view of the above-mentioned problem that dust and other sundries are easy to enter through the heat dissipation window in the high wind environment of the existing DCAC medium and long-distance voltage quality improvement device.

Therefore, the object of the present invention is to provide a DCAC medium and long-distance voltage quality improvement device.

In order to solve the above technical problems, the present invention provides the following technical solutions: a DCAC medium and long-distance voltage quality improvement device, including a drive assembly, including a wind cup, a transmission member that is engaged with the wind cup, and the transmission A group of windshield parts that are engaged with parts, and a limiter located outside the transmission member; a transformer assembly, including a transformer box connected to the limiter, and a transmission box connected to the transformer box parts, and the door part located on the transformer box part.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the wind cup part includes a first transmission rod, and the first transmission rod is provided with a wind cup, and the first transmission rod The outer side is provided with a first bevel gear; the transmission member includes a second transmission rod, a transmission gear is provided on the second transmission rod, and a second bevel gear is also provided on the second transmission rod; the windshield The part includes a windshield, and a transmission rack is arranged on the windshield; the limit part includes a limit bracket, and a plurality of bearing frames are arranged on the limit bracket; the first transmission rod passes through the bearing Embedded in several bearing frames, the second transmission rod is embedded in the limit bracket through the bearing; the transmission rack and the transmission gear mesh with each other; the second bevel gear and the first bevel gear mesh with each other.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the first transmission rod is also provided with a fixed clamping bar, and the outer side of the fixed clamping bar is also provided with a limiting protrusion; The above-mentioned limit projections are matched with the fixed clips; the limit stoppers are also provided with limit stops.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the transformer box part includes a voltage regulator, the voltage regulator is provided with a rain cover, and the voltage regulator A group of heat dissipation windows is provided on the outside; a guide rod is also provided on the windshield, and a spring is provided on the outside of the guide rod; the guide rod is slidably connected to the voltage regulator; the model of the voltage regulator is HWDUX.

As a preferred solution of the long-distance voltage quality improvement device for DCAC in the present invention, wherein: the transmission member includes a power transmission cable; one end of the power transmission cable is connected to a voltage regulator.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the box door includes a box door, and a transparent window is provided on the box door; the box door is rotatably connected to the voltage regulator .

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, it also includes a support assembly, including a support column on one side of the transformer box, and a horizontal support on the support column. The supporting piece, and the diagonal bracing piece on the supporting column piece.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the support column includes a cement rod, and the cement rod is provided with a cross-arm bracket; the cross-arm includes a support ring, The support ring is provided with support angle steel.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the slanted brace includes a slanted brace, the slanted brace is provided with a clamp frame, and the slanted brace is also A movable sleeve is provided; several fastening bolts are also provided on the supporting angle steel; the movable sleeve and the fastening bolts are rotationally connected; the clamp frame is fixed on the cement rod through bolts.

As a preferred solution of the DCAC medium and long-distance voltage quality improvement device of the present invention, wherein: the support ring is also provided with a limiting hole, and the limiting hole is matched with the transmission member.

Beneficial effects of the present invention: power is provided by the rotation of the wind cup, so that the windshield can block the heat dissipation window, thereby preventing external dust from entering the interior of the voltage quality improvement device and causing a short circuit of the internal electrical appliances of the voltage quality improvement device.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort. in:

Fig. 1 is a schematic diagram of the overall structure of the DCAC medium and long-distance voltage quality improvement device of the present invention.

Fig. 2 is a schematic diagram of the decomposition structure of the long-distance voltage quality improvement device in DCAC according to the present invention.

Fig. 3 is a schematic structural diagram of the drive assembly described in the DCAC medium-long distance voltage quality improvement device of the present invention.

Fig. 4 is a schematic structural diagram of the transformer assembly described in the DCAC medium and long-distance voltage quality improvement device of the present invention.

Fig. 5 is a schematic structural diagram of the support assembly described in the long-distance voltage quality improvement device for DCAC according to the present invention.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

Second, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Secondly, the present invention is described in detail in conjunction with schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the structure of the device will not be partially enlarged according to the general scale, and the schematic diagram is only an example, and it should not be used here. Limit the scope of protection of the present invention. In addition, the three-dimensional space dimensions of length, width and depth should be included in actual production.

Example 1

Referring to FIG. 1 , a schematic diagram of the overall structure of a DCAC medium and long-distance voltage quality improvement device is provided. As shown in FIGS. The transmission part 102 meshed with the wind cup part 101, a group of windshield parts 103 meshed with the transmission part 102, and the limiting part 104 located outside the transmission part 102; The transformer box part 201, the transmission part 202 connected to the transformer box part 201, and the box door part 203 located on the transformer box part 201, the wind force can drive the wind cup part 101 to rotate, and the wind cup part 101 can rotate to make the transmission part 102 drives a group of windshield parts 103 to move relatively, and the relative movement of a group of windshield parts 103 can close the heat dissipation window on the transformer box part 201, and the wind cup part 101 and the transmission part 102 can be fixed by the limit part 104 , the current can be introduced into and out of the transformer box 201 through the transmission part 202, and the transformer box 201 can be conveniently inspected and repaired by the staff through the box door 203.

Specifically, the air cup part 101 includes a first transmission rod 101a, the first transmission rod 101a is provided with a wind cup 101a-1, and the outer side of the first transmission rod 101a is provided with a first bevel gear 101a-2; the transmission part 102 includes a second Two transmission rods 102a, the second transmission rod 102a is provided with a transmission gear 102a-1, and the second transmission rod 102a is also provided with a second bevel gear 102a-2; the windshield 103 includes a windshield 103a, and the windshield 103a There is a transmission rack 103a-1 on it; the limit member 104 includes a limit bracket 104a, and several bearing frames 104a-1 are arranged on the limit bracket 104a; the first transmission rod 101a is embedded in several bearing frames 104a through bearings -1, the second transmission rod 102a is embedded in the limit bracket 104a through the bearing; the transmission rack 103a-1 and the transmission gear 102a-1 mesh with each other; the second bevel gear 102a-2 and the first bevel gear 101a-2 Mesh with each other, the rotation direction of the wind cup 101a-1 is always the same under the windy condition, when the wind cup 101a-1 rotates, the first transmission rod 101a drives the first bevel gear 101a-2 to rotate, and the first bevel gear 101a-2 rotates The second bevel gear 102a-2 drives the second transmission rod 102a to rotate, the rotation of the second transmission rod 102a makes the transmission gear 102a-1 rotate, and the rotation of the transmission gear 102a-1 makes the transmission rack 103a-1 drive the windshield 103a to move, The first transmission rod 101a is embedded in several bearing frames 104a-1 through bearings to ensure the stable rotation of the first transmission rod 101a, and the second transmission rod 102a is embedded in the limit bracket 104a through bearings to ensure the second transmission rod 102a Stable transmission.

Further, the first transmission rod 101a is also provided with a fixed clip 101a-3, and the outer side of the fixed clip 101a-3 is also provided with a limit protrusion 101a-4; the limit protrusion 101a-4 and the fixed clip 101a- 3 are matched; the limit bracket 104a is also provided with a limit block 104a-2, and the limit bump 101a-4 is slidably embedded in the fixed clip 101a-3, when the wind cup 101a-1 drives the first transmission rod When 101a rotates, the fixed clip 101a-3 drives the limit projection 101a-4 to rotate, and the limit projection 101a-4 is limited when it is rotated to the limit stopper 104a-2. By adjusting the limit projection The angle between 101a-4 and the limit block 104a-2 can control the rotation angle of the first transmission rod 101a.

Operation process: In windy weather, the wind cup 101a-1 rotates under the wind force, the wind cup 101a-1 rotates to make the first transmission rod 101a rotate, the first transmission rod 101a rotates to make the first bevel gear 101a-2 rotate, the first The rotation of the bevel gear 101a-2 makes the second bevel gear 102a-2 meshed with it rotate, the rotation of the second bevel gear 102a-2 makes the second transmission rod 102a drive the transmission gear 102a-1 to rotate, and the rotation of the transmission gear 102a-1 makes the transmission The rack 103a-1 moves laterally, and the drive rack 103a-1 moves laterally so that the windshield 103a moves relatively. When the windshield 103a relatively moves against the transformer box part 201, it can block the heat dissipation window. In order to prevent sundries from entering the transformer box 201 through the heat dissipation window in a strong wind environment; when it is not necessary to close the heat dissipation window, control a group of windshields 103 to be far away from each other, and move the limit protrusion 101a-4 upward to make it and The fixed clamping strip 101a-3 is separated, and after separation, turn the limiting protrusion 101a-4 so that the raised part is against the limiting stopper 104a-2 and then snapped back to the fixing clamping strip 101a-3, when the limiting protrusion When 101a-4 rotates, its protruding part just abuts on the limit block 104a-2, so that the first transmission rod 101a and the wind cup 101a-1 will not rotate, and the first transmission rod 101a will not rotate so that the windshield 103a will not rotate. It will follow the rotation, which is convenient for the staff to overhaul the transformer box part 201.

Example 2

1-4, this embodiment is different from the first embodiment in that: the transformer box 201 includes a voltage regulator 201a, the voltage regulator 201a is provided with a rain shield 201a-1, and the outside of the voltage regulator 201a There is a group of heat dissipation windows 201a-2; the windshield 103a is also provided with a guide rod 103a-2, and a spring 103a-3 is provided on the outside of the guide rod 103a-2; the guide rod 103a-2 is slidingly connected to the voltage regulator 201a; The model of the voltage regulator 201a is HWDUX, and the rain-shielding cover 201a-1 can protect the voltage regulator 201a from rain, and a group of cooling windows 201a-2 can facilitate the voltage regulator 201a to dissipate heat. When the plate 103a moves relatively, the guide rod 103a-2 moves on the voltage regulator 201a to play a guiding role, and at the same time the spring 103a-3 is compressed on the shell of the voltage regulator 201a, and the spring 103a-3 resumes deformation when the wind force becomes smaller The windshield 103a is kept away from the voltage regulator 201a, so that the voltage regulator 201a can continue to dissipate heat through a group of heat dissipation windows 201a-2.

Specifically, the transmission part 202 includes a power transmission cable 202a; one end of the power transmission cable 202a is connected to the voltage regulator 201a, and the power input and output can be facilitated through the power transmission cable 202a.

Further, the box door 203 includes a box door 203a, and the box door 203a is provided with a transparent window 203a-1; the box door 203a is rotatably connected to the voltage regulator 201a, and the transparent window 203a-1 can facilitate staff to observe the voltage regulator 201a According to the internal situation, it is convenient for the staff to overhaul the voltage regulator 201a by opening the box door 203a.

All the other structures are the same as in Example 1.

Operation process: the current is input into the voltage regulator 201a through one of the power transmission cables 202a, and after reaching the rated voltage under the voltage regulation of the voltage regulator 201a, it is output through another power transmission cable 202a, and the voltage regulator is installed After 201a, the output voltage of the distribution transformer can be appropriately lowered. When the power load is light, the voltage will not be too high. When the power load is concentrated and the voltage is too low, the voltage regulator 201a will automatically compensate the voltage to ensure the user's Normal electricity demand, thereby improving the voltage qualification rate.

Example 3

1-5, this embodiment is different from the above embodiments in that it also includes a support assembly 300, including a support column 301 on one side of the transformer box 201, a cross arm 302 on the support column 301, And the diagonal brace 303 on the support column 301 can play a supporting role through the support column 301, the transformer box part 201 can be fixed by the cross arm 302, and the horizontal brace 303 can be fixed. The support 302 plays a reinforcing role.

Specifically, the support column 301 includes a cement pole 301a, on which a cross arm bracket 301a-1 is provided; the cross arm 302 includes a support ring 302a, on which a support angle steel 302a-1 is provided, through which the cross arm 301a-1 can facilitate the staff to fix the transmission part 202, and the support ring 302a can be fixed by clamping on the cement rod 301a, and the transformer box part 201 can be supported by the support angle 302a-1.

Specifically, the diagonal brace 303 includes a diagonal brace 303a, the brace 303a is provided with a clamp frame 303a-1, and the diagonal brace 303a is also provided with a movable sleeve 303a-2; the support angle 302a-1 is also provided with There are several fastening bolts 302a-2; the movable sleeve 303a-2 is rotationally connected with the fastening bolts 302a-2; the clamp frame 303a-1 is fixed on the cement rod 301a by bolts, and the fastening bolts 302a-2 are used to penetrate the support The angle steel 302a-1 and the movable sleeve 303a-2 can fix one end of the brace plate 303a on the support angle steel 302a-1, and then the clamp frame 303a-1 at the other end of the brace plate 303a can be fixed to the cement rod by bolts 301a, so that the diagonal bracing plate 303a plays a supporting role.

Further, a limiting hole 302a-3 is also provided on the support ring 302a, and the limiting hole 302a-3 is matched with the transmission member 202, and the transmission member 202 can be prevented from contacting each other by snapping the transmission member 202 into the limiting hole 302a-3 resulting in leakage.

All the other structures are the same as in Example 2.

Operation process: fix the voltage regulator 201a on the upper side of the supporting angle steel 302a-1, through the limit hole 302a-3, it is convenient for the transmission part 202 to pass through, so as to avoid the staggered situation of the transmission part 202, and the use of bolts can make the clamp The frame 303a-1 is fixed on the cement pole 301a, and the support angle 302a-1 can be supported by the slanting brace 303a.

It is important to note that the construction and arrangement of the application, shown in the various exemplary embodiments, are illustrative only. Although only a few embodiments have been described in detail in this disclosure, it should be readily apparent to those who review this disclosure that many modifications are possible without materially departing from the novel teachings and advantages of the subject matter described in this application. are possible (e.g., variations in dimensions, dimensions, structures, shapes and proportions of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.). For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be inverted or otherwise varied, and the nature or number or positions of discrete elements may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operation and arrangement of the exemplary embodiments without departing from the scope of the invention. Accordingly, the invention is not limited to a particular embodiment, but extends to various modifications still falling within the scope of the appended claims.

Moreover, in order to provide a concise description of exemplary embodiments, not all features of an actual embodiment (i.e., those features not relevant to the best mode presently considered for carrying out the invention, or to practicing the invention feature).

It should be appreciated that during the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort would be complex and time-consuming, but would be a routine matter of design, fabrication, and production without undue experimentation to those of ordinary skill having the benefit of this disclosure .

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (10)

1. A DCAC medium and long-distance voltage quality promotion device, characterized in that: comprising, The driving assembly (100) includes a wind cup part (101), a transmission part (102) meshed with the wind cup part (101), a group of windshield parts (103) meshed with the transmission part (102) ), and a limiter (104) located on the outside of the transmission member (102); The transformer assembly (200) includes a transformer box (201) connected to the limiting piece (104), a transmission piece (202) connected to the transformer box (201), and a The box door part (203) on the pressure box part (201). 2. The DCAC medium and long-distance voltage quality improvement device according to claim 1, characterized in that: the wind cup (101) includes a first transmission rod (101a), and the first transmission rod (101a) is provided with There is a wind cup (101a-1), and a first bevel gear (101a-2) is provided on the outside of the first transmission rod (101a); The transmission member (102) includes a second transmission rod (102a), a transmission gear (102a-1) is provided on the second transmission rod (102a), and a second transmission rod (102a) is also provided with a second Two bevel gears (102a-2); The windshield (103) includes a windshield (103a), and the windshield (103a) is provided with a transmission rack (103a-1); The limiting member (104) includes a limiting bracket (104a), and several bearing frames (104a-1) are arranged on the limiting bracket (104a); The first transmission rod (101a) is embedded in several bearing frames (104a-1) through bearings, and the second transmission rod (102a) is embedded in the limit bracket (104a) through bearings; The transmission rack (103a-1) and the transmission gear (102a-1) mesh with each other; The second bevel gear (102a-2) and the first bevel gear (101a-2) mesh with each other. 3. The DCAC medium and long-distance voltage quality improvement device according to claim 2, characterized in that: the first transmission rod (101a) is also provided with a fixed clip (101a-3), and the fixed clip ( The outer side of 101a-3) is also provided with a limiting protrusion (101a-4); The limiting protrusion (101a-4) is matched with the fixing clip (101a-3); A limit block (104a-2) is also provided on the limit bracket (104a). 4. The DCAC medium and long-distance voltage quality improvement device according to claim 2 or 3, characterized in that: the transformer box (201) includes a voltage regulator (201a), and the voltage regulator (201a) is A rain-shielding cover (201a-1) is provided, and a group of heat dissipation windows (201a-2) are provided on the outside of the voltage regulator (201a); A guide rod (103a-2) is also provided on the windshield (103a), and a spring (103a-3) is provided on the outside of the guide rod (103a-2); The guide rod (103a-2) is slidingly connected to the voltage regulator (201a); The model of the voltage regulator (201a) is HWDUX. 5. The DCAC medium and long-distance voltage quality improvement device according to claim 4, characterized in that: the transmission member (202) comprises a power transmission cable (202a); One end of the power transmission cable (202a) is connected to a voltage regulator (201a). 6. The DCAC middle and long distance voltage quality improvement device according to claim 5, characterized in that: the box door (203) comprises a box door (203a), and the box door (203a) is provided with a transparent window ( 203a-1); The box door (203a) is rotatably connected to the voltage regulator (201a). 7. The DCAC medium and long-distance voltage quality improvement device according to claim 6, characterized in that: it also includes a support assembly (300), including a support column (301) located on one side of the transformer box (201) , a cross arm (302) on the support column (301), and a diagonal brace (303) on the support column (301). 8. The DCAC medium and long-distance voltage quality improvement device according to claim 7, characterized in that: the supporting column (301) comprises a cement pole (301a), and a cross-arm bracket is arranged on the cement pole (301a) (301a-1); The cross arm (302) includes a support ring (302a), and the support ring (302a) is provided with a support angle steel (302a-1). 9. The DCAC medium and long-distance voltage quality improvement device according to claim 8, characterized in that: the diagonal brace (303) comprises a diagonal brace (303a), and a clip is provided on the diagonal brace (303a). hoop frame (303a-1), and a movable sleeve (303a-2) is also arranged on the slanting bracing plate (303a); Several fastening bolts (302a-2) are also arranged on the support angle steel (302a-1); The movable sleeve (303a-2) is rotationally connected with the fastening bolt (302a-2); The clamp frame (303a-1) is fixed on the cement rod (301a) by bolts. 10. The DCAC medium and long-distance voltage quality improvement device according to claim 9, characterized in that: the support ring (302a) is also provided with a limiting hole (302a-3), and the limiting hole (302a-3 ) and the transmission part (202) match.

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