CN113659596B - Low-voltage phase modulation system - Google Patents
Low-voltage phase modulation system Download PDFInfo
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- CN113659596B CN113659596B CN202111017025.9A CN202111017025A CN113659596B CN 113659596 B CN113659596 B CN 113659596B CN 202111017025 A CN202111017025 A CN 202111017025A CN 113659596 B CN113659596 B CN 113659596B
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
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Abstract
The invention discloses a low-voltage phase modulation system which comprises a protection module, a first circuit, a second circuit and a third circuit, wherein the protection module comprises a windproof cabinet, an air switch arranged in the windproof cabinet, and the first circuit, the second circuit and the third circuit are respectively connected with the air switch; and the adjusting module comprises a monitoring mechanism matched with the protecting module, a first circuit, a second circuit and a single-knife three-throw disconnecting link, wherein the first circuit, the second circuit and the third circuit are respectively connected with the monitoring mechanism, the single-knife three-throw disconnecting link is arranged in the windproof cabinet, the single-knife three-throw disconnecting link is also connected with a protecting circuit, the monitoring mechanism monitors the load values of the first circuit, the second circuit and the third circuit, when serious phase deviation occurs, a cabinet door is opened, the air switch is pulled down, the single-knife three-throw disconnecting link is reversely fed to the corresponding lowest phase, the phase is adjusted to one place, the phase adjustment is realized, the operation is simple and the labor, the time and the resources are saved only by 10 minutes including checking the current, the reliability of power supply and the quality of power consumption are improved, and the three-phase balance and the safe operation of the distribution transformer are ensured.
Description
Technical Field
The invention relates to the technical field of low-voltage phase modulation, in particular to a low-voltage phase modulation system.
Background
In recent years, although the three-phase unbalanced distribution transformer is subjected to phase modulation by means of phase modulation and the like, the situation of the three-phase load balance operation is not optimistic, the total amount of load unbalance is always increased, and the situation of long-time load unbalance operation is also increased through system data analysis, so that the situation of low voltage, single-phase overload unsafe operation of the distribution transformer and the like are caused.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present invention has been made in view of the above-described problem of unbalanced operation of the existing three-phase load.
It is therefore an object of the present invention to provide a low voltage phase modulation system.
In order to solve the technical problems, the invention provides the following technical scheme: the low-voltage phase modulation system comprises a protection module, a first circuit, a second circuit and a third circuit, wherein the protection module comprises a windproof cabinet, an air switch arranged in the windproof cabinet, and the first circuit, the second circuit and the third circuit are respectively connected with the air switch; and the adjusting module comprises a monitoring mechanism matched with the protecting module, a first circuit, a second circuit and a single-knife three-throw disconnecting link, wherein the first circuit and the second circuit are arranged from the air switch, the single-knife three-throw disconnecting link is respectively connected with the third circuit, and the single-knife three-throw disconnecting link is arranged in the windproof cabinet.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: and the single-knife three-throw knife switch is also connected with a protection circuit.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: the monitoring mechanism monitors the load values of the first line, the second line, and the third line.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: the air switch is connected between the air switch and the single-blade three-throw knife switch and is provided with a copper wire terminal, the copper wire terminal comprises a U-shaped cavity metal sheet, a connecting plate arranged at the left end of the U-shaped cavity metal sheet, and clamping plates arranged on the inner wall of the U-shaped cavity metal sheet in a vertically staggered mode, and connecting holes are formed in the connecting plate.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: the windproof cabinet comprises a cabinet body, a water diversion eave arranged on the cabinet body, a windproof mechanism arranged on one side of the cabinet body, and a wire inlet and a wire outlet which are arranged at the bottom of the cabinet body, wherein the height of the water diversion eave gradually decreases from the front side to the back side of the cabinet body, and an opening matched with the windproof mechanism is formed in the side face of the cabinet body.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: the wind-proof mechanism comprises a thin-wall cavity fixedly connected with the opening, a connecting plate fixedly connected to the top of the thin-wall cavity, a wind-proof cover movably connected with the connecting plate, and a starting block fixed on the side face of the cabinet body and matched with the wind-proof cover, wherein a fixing ring is arranged on the outer side of the thin-wall cavity, the diameter of the fixing ring is larger than that of the thin-wall cavity and smaller than that of the wind-proof cover, an elastic piece is fixedly arranged at the top of the connecting plate, and one end of the elastic piece is fixedly connected with the top of the inner wall of the wind-proof cover.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: the starting block comprises a positioning plate fixedly connected with the side face of the cabinet body, a sliding plate arranged on the positioning plate and connected with the sliding plate in a sliding mode, a wind supporting plate fixedly connected with the sliding plate, a deflector rod arranged on two sides of the sliding plate, and starting rods arranged on two sides of the positioning plate and matched with the deflector rod, a spring is fixedly connected to the bottom of the wind supporting plate, the other end of the spring is fixed on the side face of the cabinet body, and limit bolts are movably connected to two sides of the starting rods and are in threaded connection with the positioning plate.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: and a plurality of strip-shaped grooves are formed in the thin-wall cavity.
As a preferred embodiment of the low-voltage phase modulation system according to the invention, wherein: waterproof washers are arranged on the wire inlet and the wire outlet.
The invention has the beneficial effects that: when serious phase bias occurs, the cabinet door is opened, the cabinet door is pulled down to open, the disconnecting link is reversely fed to the corresponding lowest phase, one phase modulation is performed, the verification current is only needed for 10 minutes, the operation is simple, the manpower, time and resources are saved, the reliability of power supply and the quality of electricity are improved, and the three-phase balance and the safe operation of the distribution transformer are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a diagram showing the overall connection of the low-voltage phase modulation system according to the present invention.
FIG. 2 is a schematic diagram of the overall structure of the low-voltage phase modulation system windproof cabinet of the invention.
FIG. 3 is a schematic view of a wind prevention mechanism of the low-voltage phase modulation system according to the present invention.
FIG. 4 is an exploded view of the start block structure of the low voltage phase modulation system of the present invention.
Fig. 5 is a cross-sectional view of a copper wire terminal structure of the low voltage phase modulation system of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1-2, there is provided an overall schematic of a low voltage phase modulation system comprising, a protection module 100 comprising a weather hood 101, an air switch 102 disposed within the weather hood 101, and a first line 103, a second line 104, and a third line 105 respectively connected to the air switch 102; the adjusting module 200 comprises a monitoring mechanism 201 matched with the protecting module 100, a first circuit 103, a second circuit 104 and a third circuit 105, wherein the first circuit 103, the second circuit 104 and the third circuit 105 are respectively connected with a single-knife three-throw switch 202, and the single-knife three-throw switch 202 is arranged in the windproof cabinet 101; the single-knife three-throw knife switch 202 is also connected with a protection circuit 203; the monitoring mechanism 201 monitors the load values of the first line 103, the second line 104, and the third line 105; a copper wire terminal 204 is connected between the air switch 102 and the single-knife three-throw knife switch 202, the copper wire terminal 204 comprises a U-shaped cavity metal sheet 204a, a connecting plate 204b arranged at the left end of the U-shaped cavity metal sheet 204a, and clamping plates 204c arranged on the inner wall of the U-shaped cavity metal sheet 204a in a vertically staggered mode, and connecting holes 204d are formed in the connecting plate 204 b.
Specifically, the protection module 100 includes a wind-proof cabinet 101, an air switch 102 disposed in the wind-proof cabinet 101, and a first line 103, a second line 104, and a third line 105 respectively connected to the air switch 102, where the air switch 102 controls opening and closing of the first line 103, the second line 104, and the third line 105 and protects the whole system; and the adjusting module 200 comprises a monitoring mechanism 201 matched with the protecting module 100, a first circuit 103, a second circuit 104 and a single-knife three-throw disconnecting link 202, wherein the first circuit 103, the second circuit 104 and the third circuit 105 are respectively connected with the single-knife three-throw disconnecting link 202, the single-knife three-throw disconnecting link 202 is arranged in the windproof cabinet 101, when serious phase deviation occurs, the single-knife three-throw disconnecting link 202 can be selected, a cabinet door of the windproof cabinet 101 is opened, the air switch 102 is pulled down, the single-knife three-throw disconnecting link 202 is reversely fed to the corresponding lowest phase, and the phase deviation is adjusted for one place, wherein the phase deviation comprises verification current only for 10 minutes, so that the operation is simple, the labor, the time and the resources are saved, the reliability of power supply and the quality of electricity are improved, and the three-phase balance and the safe operation of the distribution transformer are ensured.
Further, a protection circuit 203 is further connected to the single-pole three-throw switch 202, and in this embodiment, the protection circuit 203 is a live wire of a four-flat-wire minor branch.
Further, the monitoring mechanism 201 monitors the load values of the first line 103, the second line 104, and the third line 105, and an operator operates the single-knife three-throw knife switch 202 according to the data of the monitoring mechanism 201.
Further, a copper wire terminal 204 is connected between the air switch 102 and the single-knife three-throw knife switch 202, the copper wire terminal 204 comprises a U-shaped cavity metal sheet 204a, a connecting plate 204b arranged at the left end of the U-shaped cavity metal sheet 204a, and clamping plates 204c arranged on the inner wall of the U-shaped cavity metal sheet 204a in a staggered mode up and down, connecting holes 204d are formed in the connecting plate 204b, the connecting plate 204b is connected with the single-knife three-throw knife switch 202 through the connecting holes 204d, copper wires connected by the air switch 102 are placed in the U-shaped cavity metal sheet 204a and then clamped tightly, and the clamping plates 204c arranged on the inner wall of the U-shaped cavity metal sheet 204a in a staggered mode can clamp the copper wires in a staggered mode up and down so that the connection is firmer.
The operation process comprises the following steps: when the monitoring mechanism 201 finds out that the three phases are unbalanced and the distribution transformer is overloaded, an operator opens a cabinet door of the wind-proof cabinet 101, pulls down the air switch 102, and reversely sends the single-knife three-throw knife switch 202 to the lowest phase in the first line 103, the second line 104 and the third line 105 measured by the monitoring mechanism 201.
Example 2
Referring to fig. 1-5, this embodiment differs from the first embodiment in that: the windproof cabinet 101 comprises a cabinet body 101a, a water diversion eave 101b arranged on the cabinet body 101a, a windproof mechanism 300 arranged on one side of the cabinet body 101a, a wire inlet 101c and a wire outlet 101d which are arranged at the bottom of the cabinet body 101a, wherein the height of the water diversion eave 101b gradually decreases from the front surface to the back surface of the cabinet body 101a, and an opening matched with the windproof mechanism 300 is formed in the side surface of the cabinet body; the windproof mechanism 300 comprises a thin-wall cavity 301 fixedly connected with an opening, a connecting plate 302 fixedly connected to the top of the thin-wall cavity 301, a windproof cover 303 movably connected with the connecting plate 302, and a starting block 304 fixed on the side surface of the cabinet 101a and matched with the windproof cover 303, wherein a fixed ring 305 is arranged on the outer side of the thin-wall cavity 301, the diameter of the fixed ring 305 is larger than that of the thin-wall cavity 301 and smaller than that of the windproof cover 303, an elastic piece 306 is fixedly arranged at the top of the connecting plate 302, and one end of the elastic piece 306 is fixedly connected with the top of the inner wall of the windproof cover 303; the starting block 304 comprises a positioning plate 304a fixedly connected with the side surface of the cabinet body 101a, a sliding plate 304b arranged on the positioning plate 304a and in sliding connection, a wind-supporting plate 304c fixedly connected with the sliding plate 304b, a deflector rod 304d arranged on two sides of the sliding plate 304b, and a starting rod 304e arranged on two sides of the positioning plate 304a and matched with the deflector rod 304d, wherein a spring 304f is fixedly connected to the bottom of the wind-supporting plate 304c, the other end of the spring 304f is fixed on the side surface of the cabinet body 101a, a limit bolt 304g is movably connected on two sides of the starting rod 304e, and the limit bolt 304g is in threaded connection with the positioning plate 304 a; the thin-wall cavity 301 is provided with a plurality of strip-shaped grooves 307; the waterproof gasket 101e is provided on the inlet 101c and outlet 101d, and the other structures are the same as those of embodiment 1.
Specifically, the windproof cabinet 101 includes a cabinet body 101a, a water diversion eave 101b arranged on the cabinet body 101a, a windproof mechanism 300 arranged on one side of the cabinet body 101a, and a wire inlet 101c and a wire outlet 101d arranged at the bottom of the cabinet body 101a, wherein the height of the water diversion eave 101b gradually decreases from the front surface to the back surface of the cabinet body 101a to be overlapped with the top of the cabinet body 101a, a vertical strip groove is formed in the water diversion eave 101b for drainage of rainwater, and because the vertical strip groove is inclined, the rainwater can flow down from the back surface of the cabinet body 101a along the water diversion eave 101b, the problem that the top of the cabinet body 101a is water-accumulated, the elements in the cabinet body 101a are wetted in the long time is avoided, an opening matched with the windproof mechanism 300 is formed in the side surface of the cabinet body, and the cooperation of the water diversion eave 101a just can be embedded with the opening to achieve the windproof purpose.
Further, the wind-proof mechanism 300 comprises a cylindrical thin-wall cavity 301 fixedly connected with the opening, a connecting plate 302 fixedly connected to the top of the thin-wall cavity 301, a wind-proof cover 303 movably connected with the connecting plate 302, and a starting block 304 fixed on the side face of the cabinet 101a and matched with the wind-proof cover 303, wherein the connecting plate 302 is welded with the thin-wall cavity 301, the matching of the wind-proof cover 303 and the starting block 304 means that the position of the wind-proof cover 303 is limited by the state of the starting block 304, a fixing ring 305 is arranged on the outer side of the thin-wall cavity 301, the diameter of the fixing ring 305 is larger than that of the thin-wall cavity 301 and smaller than that of the wind-proof cover 303, the fixing ring 305 is mainly used for reinforcing the thin-wall cavity 301 to increase the safety of the thin-wall cavity, an elastic member 306 is fixedly arranged on the top of the connecting plate 302, one end of the elastic member 306 is fixedly connected with the top of the inner wall of the wind-proof cover 303, and the elastic member 306 is in a stretching state under normal conditions, and a force for pulling the wind-proof cover 303 to the side wall 101 a.
Further, the starting block 304 includes a positioning plate 304a fixedly connected to the side of the cabinet 101a, a sliding plate 304b slidably connected to the positioning plate 304a, a wind-supporting plate 304c fixedly connected to the sliding plate 304b, a deflector 304d disposed at two sides of the sliding plate 304b, and a starting rod 304e disposed at two sides of the positioning plate 304a and matched with the deflector 304d, where the matching means that the state of the starting rod 304e is changed along with the change of the height of the deflector 304d, a spring 304f is fixedly connected to the bottom of the wind-supporting plate 304c, the other end of the spring 304f is fixed to the side of the cabinet 101a, two sides of the starting rod 304e are movably connected with a limit bolt 304g, the limit bolt 304g and the positioning plate 304a are in threaded connection, the starting rod 304e can rotate with the limit bolt 304g as a fixed point, the positioning plate 304a is disposed at the outer side of the wind-proof cover 303, the sliding plate 304b is supported by the elastic force of the spring 304f to be stabilized at a position under normal conditions, and the starting position of the deflector 304d disposed at two sides of the sliding plate 304b is also fixed along with the change of the height of the deflector 304d, so that the starting rod 304e is not close to the side wall 303 a certain radian, and the wind-proof cover is not bent to the side of the wind-proof cover 101 a.
Further, the thin-wall cavity 301 is provided with a plurality of strip-shaped grooves 307, the wire inlet 101c and the wire outlet 101d are provided with waterproof washers 101e, the strip-shaped grooves 307 enable the thin-wall cavity 301 to have better ventilation, and even if rainwater falls into the thin-wall cavity 301 during raining, the rainwater can directly flow out of the strip-shaped grooves 307 without accumulated water, the waterproof washers 101e on the wire inlet 101c and the wire outlet 101d are also used for preventing the rainwater from entering the cabinet 101a from the holes, the waterproof washers 101e are clamped with the wire inlet 101c and the wire outlet 101d, 4 through holes are formed in the upper surface for wiring, and a bundle of wires is formed during waterproof, so that the wires are kept regular.
The operation process comprises the following steps: under normal conditions, the starting rod 304e frames the bottom edge of the windproof cover 303 to have a certain distance from the side wall of the cabinet body 101a, hot air in the cabinet body 101a is dispersed through the thin-wall cavity 301, when the wind force is overlarge, the wind-bearing plate 304c is stressed to compress the spring 304f, the sliding plate 304b moves to change the position of the deflector rod 304d, the deflector rod 304d gives the starting rod 304e a force leaving the windproof cover 303, the windproof cover 303 is tightly attached to the side wall of the cabinet body 101a by the tension of the elastic piece 306 to achieve sealing, the damage to the cabinet body 101a caused by overlarge wind force is avoided, and the damage to elements in the cabinet caused by flying sand and stones entering the cabinet body 101a is avoided.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. 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, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (5)
1. A low voltage phase modulation system, characterized by: comprising the steps of (a) a step of,
A protection module (100) comprising a wind-proof cabinet (101), an air switch (102) arranged in the wind-proof cabinet (101), and a first circuit (103), a second circuit (104) and a third circuit (105) which are respectively connected with the air switch (102);
The adjusting module (200) comprises a monitoring mechanism (201) matched with the protecting module (100), a first circuit (103), a second circuit (104) and a third circuit (105), wherein the first circuit (103), the second circuit (104) and the third circuit (105) are respectively connected with a single-knife three-throw disconnecting link (202), and the single-knife three-throw disconnecting link (202) is arranged in the windproof cabinet (101);
The single-knife three-throw knife switch (202) is also connected with a protection circuit (203);
The monitoring mechanism (201) monitors load values of the first circuit (103), the second circuit (104) and the third circuit (105); and
A copper wire terminal (204) is connected and arranged between the air switch (102) and the single-blade three-throw disconnecting link (202), the copper wire terminal (204) comprises a U-shaped cavity metal sheet (204 a), a connecting plate (204 b) arranged at the left end of the U-shaped cavity metal sheet (204 a), and clamping plates (204 c) arranged on the inner wall of the U-shaped cavity metal sheet (204 a) in a vertically staggered mode, and connecting holes (204 d) are formed in the connecting plate (204 b);
The wind prevention mechanism (300) comprises a thin-wall cavity (301) fixedly connected with an opening, a connecting plate (302) fixedly connected to the top of the thin-wall cavity (301), a wind prevention cover (303) movably connected with the connecting plate (302), and a starting block (304) fixedly arranged on the side face of the cabinet body (101 a) and matched with the wind prevention cover (303), wherein a fixing ring (305) is arranged on the outer side of the thin-wall cavity (301), the diameter of the fixing ring (305) is larger than that of the thin-wall cavity (301) and smaller than that of the wind prevention cover (303), an elastic piece (306) is fixedly arranged on the top of the connecting plate (302), and one end of the elastic piece (306) is fixedly connected with the top of the inner wall of the wind prevention cover (303).
2. A low pressure phasing system as defined in claim 1, wherein: the windproof cabinet (101) comprises a cabinet body (101 a), a water diversion eave (101 b) arranged on the cabinet body (101 a), a windproof mechanism (300) arranged on one side of the cabinet body (101 a), and a wire inlet (101 c) and a wire outlet (101 d) which are arranged at the bottom of the cabinet body (101 a), wherein the height of the water diversion eave (101 b) gradually decreases from the front surface to the back surface of the cabinet body (101 a), and an opening matched with the windproof mechanism (300) is formed in the side surface of the cabinet body.
3. A low pressure phasing system as defined in claim 2, wherein: the starting block (304) comprises a positioning plate (304 a) fixedly connected with the side face of the cabinet body (101 a), a sliding plate (304 b) arranged on the positioning plate (304 a) and connected in a sliding mode, a wind-supporting plate (304 c) fixedly connected with the sliding plate (304 b), a deflector rod (304 d) arranged on two sides of the sliding plate (304 b), and a starting rod (304 e) arranged on two sides of the positioning plate (304 a) and matched with the deflector rod (304 d), a spring (304 f) is fixedly connected to the bottom of the wind-supporting plate (304 c), the other end of the spring (304 f) is fixed on the side face of the cabinet body (101 a), limiting bolts (304 g) are movably connected to two sides of the starting rod (304 e), and the limiting bolts (304 g) are in threaded connection with the positioning plate (304 a).
4. A low pressure phasing system as defined in claim 2, wherein: a plurality of strip-shaped grooves (307) are formed in the thin-wall cavity (301).
5. A low pressure phasing system as defined in claim 2, wherein: waterproof washers (101 e) are arranged on the wire inlet (101 c) and the wire outlet (101 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017025.9A CN113659596B (en) | 2021-08-31 | 2021-08-31 | Low-voltage phase modulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017025.9A CN113659596B (en) | 2021-08-31 | 2021-08-31 | Low-voltage phase modulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113659596A CN113659596A (en) | 2021-11-16 |
| CN113659596B true CN113659596B (en) | 2024-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111017025.9A Active CN113659596B (en) | 2021-08-31 | 2021-08-31 | Low-voltage phase modulation system |
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| CN203103545U (en) * | 2013-03-08 | 2013-07-31 | 陈旭云 | Copper opening connecting terminal |
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| CN109274111A (en) * | 2018-11-29 | 2019-01-25 | 上海光维电力科技有限公司 | A kind of three-phase imbalance automatic regulating system |
| CN210723900U (en) * | 2019-12-12 | 2020-06-09 | 通辽光远电力安装有限责任公司开鲁光泰分公司 | Centralized ammeter case convenient to management and control just have power compensation function |
| CN111371107A (en) * | 2020-04-15 | 2020-07-03 | 江苏大航泓城电力电子有限公司 | Comprehensive distribution transformer three-phase unbalance compensation system and method |
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- 2021-08-31 CN CN202111017025.9A patent/CN113659596B/en active Active
Patent Citations (6)
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| CN203103545U (en) * | 2013-03-08 | 2013-07-31 | 陈旭云 | Copper opening connecting terminal |
| CN208046244U (en) * | 2018-01-18 | 2018-11-02 | 广西电网有限责任公司崇左供电局 | A kind of low voltage three-phase imbalance optimal control device |
| CN207853481U (en) * | 2018-03-02 | 2018-09-11 | 国网江苏省电力有限公司宜兴市供电分公司 | A kind of active load control apparatus and system |
| CN109274111A (en) * | 2018-11-29 | 2019-01-25 | 上海光维电力科技有限公司 | A kind of three-phase imbalance automatic regulating system |
| CN210723900U (en) * | 2019-12-12 | 2020-06-09 | 通辽光远电力安装有限责任公司开鲁光泰分公司 | Centralized ammeter case convenient to management and control just have power compensation function |
| CN111371107A (en) * | 2020-04-15 | 2020-07-03 | 江苏大航泓城电力电子有限公司 | Comprehensive distribution transformer three-phase unbalance compensation system and method |
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