CN113629720A

CN113629720A - Join in marriage full-automatic end user voltage quality hoisting device of net

Info

Publication number: CN113629720A
Application number: CN202110994139.2A
Authority: CN
Inventors: 覃家露; 彭国飞; 区华勇; 易煜锦; 张开翔; 刘晓腾; 张卓杰; 方杰明; 李东英; 黎诞幸
Original assignee: Guangdong Power Grid Co Ltd; Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2021-11-09
Anticipated expiration: 2041-08-27
Also published as: CN113629720B

Abstract

The application discloses join in marriage full-automatic end user voltage quality hoisting device of net includes: the voltage quality module, the anti-theft module and the shell are arranged; the voltage quality module is arranged in the shell and comprises: the monitoring unit, the thyristor, the distribution network circuit and the controller; the anti-theft module includes: the device comprises a fixed frame, a motor, two rotating shafts, a driven part and a fixed rod; the voltage level can be adjusted when the voltage of the distribution network fluctuates through a monitoring unit, a thyristor, a distribution network circuit and a controller in the voltage quality module, so that the quality of the voltage of a terminal user is improved, and the risk of burning out electric appliances of a transformer area user is reduced; through the fixing frame, the motor, the two rotating shafts, the driven piece and the fixing rod in the anti-theft module, the shell can be fixed, and the risk of theft is reduced.

Description

Join in marriage full-automatic end user voltage quality hoisting device of net

Technical Field

The application relates to the technical field of power distribution networks, in particular to a full-automatic terminal user voltage quality improving device for a distribution network.

Background

With the continuous development of new rural construction and national economy, new energy is vigorously pushed, and distribution network low-voltage photovoltaic power generation also enters a power grid. The whole rural power grid power supply system is also more complex, and the power quality of the rural power grid low-voltage distribution network is tested more seriously along with the increase of various rural household appliances. Due to the influences of factors such as historical remnants, geographic environments and economic indexes, the situations that a power supply line is too long, the line diameter is too small, the line loss is large and the like generally exist in 0.4kV low-voltage lines in some remote areas, so that the normal power utilization of the low-voltage lines is influenced and the voltage quality indexes are influenced.

The low-voltage condition at the tail end of the rural power grid is more serious in summer load peak. In order to relieve the condition of low voltage of a terminal user, power grid company personnel frequently shift a transformer in a transformer area and adjust the three-phase imbalance of a low-voltage line in a peak load season, but are limited by power failure indexes; when a transformer area of a user accessing the internet by using photovoltaic power generation is encountered, the transformer area voltage is high and low, the voltage quality index is unstable, and the risk of burning out an electric appliance exists. Meanwhile, the power facilities are installed in remote areas in rural areas and are easy to stare at by lawless persons, and the risk of theft is high.

Disclosure of Invention

In view of this, the present application provides a distribution network full-automatic end user voltage quality improving device, which is used for improving the end user voltage quality and reducing the theft risk.

In order to achieve the technical purpose, the application provides a join in marriage full-automatic end user voltage quality improving device of net, includes: the voltage quality module, the anti-theft module and the shell are arranged;

the voltage quality module is arranged in the shell and comprises: the monitoring unit, the thyristor, the distribution network circuit and the controller;

the monitoring unit is electrically connected with the controller and used for monitoring the voltage of the distribution network;

the thyristor is electrically connected with the controller;

the distribution network circuit is electrically connected with the controller and is provided with a plurality of voltage gears;

the controller is used for controlling the thyristor to output a gear turn-off signal to close the current voltage gear when the voltage change of the distribution network exceeds a preset degree, and is also used for controlling the distribution network circuit to turn on an adjacent voltage gear when the voltage of the distribution network exceeds the preset degree and continuously exceeds a preset time;

the anti-theft module includes: the device comprises a fixed frame, a motor, two rotating shafts, a driven part and a fixed rod;

the fixing frame is arranged on two sides of the outer part of the shell, and a fixing hole is formed in the fixing frame;

mounting holes corresponding to the fixing holes are formed in the two side walls of the shell;

the two rotating shafts are respectively arranged on two sides in the shell and are synchronously and rotatably connected through the driven piece;

a gear is arranged on the rotating shaft;

a rack is arranged on the fixed rod;

the fixed rods are arranged on two sides in the shell, correspond to the mounting holes in position and are in meshed connection with the gears through the racks;

the motor set up in the casing, and with the axis of rotation transmission is connected, is used for driving the axis of rotation rotates, and then makes the dead lever is followed the axial of mounting hole is close to or is kept away from the fixed orifices.

Further, the anti-theft module further comprises: an infrared sensor and an alarm;

the infrared sensor and the alarm are both electrically connected with the controller;

the alarm is used for sending out a first alarm signal when the infrared sensor senses that a foreign object approaches.

Further, the anti-theft module further comprises: a vibration sensor;

the vibration sensor is electrically connected with the controller;

the alarm is also used for sending a second alarm signal when the induction vibration value of the vibration sensor exceeds a preset vibration value.

Further, the bottom of the shell is provided with universal wheels.

Further, still include: a shock-absorbing module;

the shock-absorbing module includes: the damping device comprises a casing, a movable block and a damping shock absorber;

the casing is arranged at the bottom of the shell;

the movable block can be movably arranged in the casing;

two ends of the damping shock absorber are respectively connected with the casing and the first end of the movable block;

and the second end of the movable block is connected with the universal wheel.

Furthermore, an air exhaust channel is arranged at the bottom of the shell, and an air inlet channel is arranged at the top of the shell;

a fan is arranged in the air inlet channel;

a first dust screen is arranged below the air exhaust channel;

and a second dustproof net is arranged above the air inlet channel.

Further, the anti-theft module further comprises: a guide member;

the guide piece comprises two guide rods and a pulley;

the guide rod is fixed in the shell and is perpendicular to the fixed rod;

the pulley is sleeved on the guide rod;

the fixed rod is clamped between the pulleys of the two guide rods.

Further, a sound insulation layer is arranged inside the shell;

the sound insulation layer is a polyester fiber sound absorption plate and has a thickness of 4-6 mm.

Furthermore, rotary bevel gears are arranged on the two rotary shafts;

and driven bevel gears meshed with the rotating bevel gears are arranged at two ends of the driven piece.

Further, a sealing door is arranged on the shell;

the closed door is provided with an electronic lock and a card reader;

the electronic lock is electrically connected with the controller and used for locking the closed door;

the card reader is electrically connected with the controller and is used for reading card information;

the controller is also used for controlling the electronic lock to be unlocked when the card information read by the card reader is matched with the preset staff information.

According to the technical scheme, the voltage quality improving device for the full-automatic terminal users of the distribution network can adjust the voltage gears when the voltage of the distribution network fluctuates through the monitoring unit, the thyristor, the distribution network circuit and the controller in the voltage quality module, so that the voltage quality of the terminal users is improved, and the risk of burning out electric appliances of the users in the distribution network area is reduced; through the fixing frame, the motor, the two rotating shafts, the driven piece and the fixing rod in the anti-theft module, the shell can be fixed, and the risk of theft is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a front sectional view of a voltage quality improving apparatus for a distribution network full-automatic end user according to an embodiment of the present disclosure;

fig. 2 is a rear sectional view of a voltage quality improving apparatus for a distribution network full-automatic end user according to an embodiment of the present disclosure;

fig. 3 is a schematic perspective view of a distribution network full-automatic end user voltage quality improving apparatus provided in an embodiment of the present application;

fig. 4 is a top sectional view of a voltage quality improving apparatus for a distribution network full-automatic end user according to an embodiment of the present disclosure;

fig. 5 is a schematic perspective view of a rotating shaft and a fixing rod of the full-automatic end user voltage quality improving apparatus for a distribution network according to the embodiment of the present application;

fig. 6 is a front sectional view of a position of a universal wheel of a distribution network full-automatic end user voltage quality improving apparatus according to an embodiment of the present application;

in the figure: 1. a housing; 2. a fixed mount; 3. a fixing hole; 4. a network distribution circuit; 5. a circuit controller; 6. a monitoring module; 7. a functional circuit module; 8. an infrared sensor; 9. a thyristor; 10. a processor; 11. an alarm; 12. a network unit; 13. a vibration sensor; 14. a motor; 15. a first rotating shaft; 16. a second rotating shaft; 17. a driven member; 171. a driven lever; 172. a connecting plate; 173. a driven bevel gear; 174. rotating the bevel gear; 18. mounting holes; 19. fixing the rod; 20. a rack; 21. a gear; 22. a universal wheel; 23. a shock-absorbing module; 231. a housing; 232. a damping shock absorber; 233. a movable block; 24. an air exhaust channel; 25. an air inlet channel; 26. a fan; 27. a first dust screen; 28. a second dust screen; 29. a sound insulating layer; 30. a closing door; 31. a card reader; 32. an electronic lock; 33. a guide bar; 34. a pulley.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection claimed herein.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses join in marriage full-automatic end user voltage quality improving device of net.

Referring to fig. 1 to fig. 4, an apparatus for improving voltage quality of a distribution network full-automatic end user provided in an embodiment of the present application includes: voltage quality module, theftproof module and casing 1.

Wherein, the voltage quality module sets up in casing 1, includes: monitoring unit 6, thyristor 9, distribution network circuit 4 and controller. The controller may be disposed in the housing 1, or may refer to an external control terminal device, and in this embodiment, the controller is disposed in the housing 1 and includes the circuit controller 5 and the processor 10. The monitoring unit 6 is electrically connected with the circuit controller 5 and used for monitoring the voltage of the distribution network; the thyristor 9 is electrically connected with the circuit controller 5; the distribution network circuit 4 is electrically connected with the circuit controller 5, and a plurality of voltage gears are arranged on the distribution network circuit 4; the circuit controller 5 is used for controlling the thyristor 9 to output a gear turn-off signal to close the current voltage gear when the voltage change of the distribution network exceeds a preset degree, and is also used for controlling the distribution network circuit 4 to turn on the adjacent voltage gear when the voltage change of the distribution network continuously exceeds a preset time.

Specifically, when the distribution network voltage monitoring device works, the monitoring module 6 sends the monitored change condition of the distribution network output voltage to the circuit controller 5, when the voltage change degree exceeds the preset degree, the circuit controller 5 controls the thyristor to output a gear turn-off signal to enable the voltage control signal of the current gear to be invalid and turned off, and then detects whether the gear turn-off signal of the thyristor 9 of the current gear is valid; when the voltage continuously exceeds the preset degree and exceeds the preset time, namely the requirement of voltage increase and reduction is met, the circuit controller 5 controls the distribution network circuit 4 to switch on the adjacent first gear according to the change condition of the voltage, and the voltage regulation is realized. Because the voltage difference of adjacent gears is small, generally within ten and several volts, and the interruption time of the output voltage is less than 200us, the variation of the grid voltage is small in the process. The automatic voltage regulation device has the advantages that no impact is caused during gear shifting, the output voltage is almost not interrupted, the thyristor 9 is used for quickly shifting gears, the problems of gear shifting interruption and gear shifting circulation are solved, the automatic voltage regulation range is wide, the use of 120-plus 270V voltage is supported, and the voltage quality improvement effect is realized for users with unstable voltage quality.

It should be noted that the preset degree value and the preset time can be set according to actual needs; the circuit controller 5 adjusts the gear of the distribution network circuit 4 to be a first high gear or a first low gear according to whether the voltage variation trend is ascending or descending.

The anti-theft module comprises: a fixed frame 2, a motor 14, two rotating shafts, a driven part 17 and a fixed rod 19. In this embodiment, the rotating shafts include the first rotating shaft 15 and the second rotating shaft 16, and in practical application, the rotating shafts may also include four or eight rotating shafts in other quantities, specifically, the rotating shafts are all disposed on two sides inside the casing 1. The mount 2 is located the outside both sides of casing 1, and is provided with fixed orifices 3 on the mount 2, and wherein, the mount 2 can be installed in the power distribution room through inflation screw etc.. Mounting holes 18 corresponding to the positions of the fixing holes 3 are formed in the two side walls of the shell 1; the first rotating shaft 15 and the second rotating shaft 16 are respectively arranged at two sides in the shell 1, and the two rotating shafts are synchronously and rotatably connected through a driven part 17; the first rotating shaft 15 and the second rotating shaft 16 are both provided with gears 21; a rack 20 is arranged on the fixed rod 19; the fixed rods 19 are arranged on two sides of the interior of the shell 1, correspond to the positions of the mounting holes 18 and are meshed and connected with the gear 21 through a rack 20; the motor 14 is arranged in the shell 1, is in transmission connection with the rotating shaft and is used for driving the rotating shaft to rotate; in this embodiment, the motor 14 is connected to the first rotating shaft 15, and the first rotating shaft 15 drives the second rotating shaft 16 to rotate synchronously via the follower 17, so that the fixing rods 19 at the two ends are close to or far from the fixing holes 3 along the axial direction of the mounting hole 18, thereby locking or unlocking the housing 1 and the fixing frame 2.

Through the anti-theft module, the risk of being stolen by lawbreakers can be reduced after the fixing frame 2 is locked with the shell 1.

The above is the first embodiment provided in the present application, and the following is the second embodiment provided in the present application, please refer to fig. 1 to 6 specifically.

A join in marriage full-automatic end user voltage quality improving device of net, includes: voltage quality module, theftproof module and casing 1. The voltage quality module is arranged in the shell 1 and comprises: monitoring unit 6, thyristor 9, distribution network circuit 4 and controller. The controller may be disposed in the housing 1, or may refer to an external control terminal device, and in this embodiment, the controller is disposed in the housing 1 and includes the circuit controller 5 and the processor 10. The monitoring unit 6 is electrically connected with the circuit controller 5 and used for monitoring the voltage of the distribution network; the thyristor 9 is electrically connected with the circuit controller 5; the distribution network circuit 4 is electrically connected with the circuit controller 5, and a plurality of voltage gears are arranged on the distribution network circuit 4; the circuit controller 5 is used for controlling the thyristor 9 to output a gear turn-off signal to close the current voltage gear when the voltage change of the distribution network exceeds a preset degree, and is also used for controlling the distribution network circuit 4 to turn on the adjacent voltage gear when the voltage change of the distribution network continuously exceeds a preset time. The anti-theft module includes: a fixed frame 2, a motor 14, two rotating shafts, a driven part 17 and a fixed rod 19. In this embodiment, the rotating shafts include the first rotating shaft 15 and the second rotating shaft 16, and in practical application, the rotating shafts may also include four or eight rotating shafts in other quantities, specifically, the rotating shafts are all disposed on two sides inside the casing 1. The mount 2 is located the outside both sides of casing 1, and is provided with fixed orifices 3 on the mount 2, and wherein, the mount 2 can be installed in the power distribution room through inflation screw etc.. Mounting holes 18 corresponding to the positions of the fixing holes 3 are formed in the two side walls of the shell 1; the first rotating shaft 15 and the second rotating shaft 16 are respectively arranged at two sides in the shell 1, and the two rotating shafts are synchronously and rotatably connected through a driven part 17; the first rotating shaft 15 and the second rotating shaft 16 are both provided with gears 21; a rack 20 is arranged on the fixed rod 19; the fixed rods 19 are arranged on two sides of the interior of the shell 1, correspond to the positions of the mounting holes 18 and are meshed and connected with the gear 21 through a rack 20; the motor 14 is arranged in the shell 1, is in transmission connection with the rotating shaft and is used for driving the rotating shaft to rotate; in this embodiment, the motor 14 is connected to the first rotating shaft 15, and the first rotating shaft 15 drives the second rotating shaft 16 to rotate synchronously via the follower 17, so that the fixing rods 19 at the two ends are close to or far from the fixing holes 3 along the axial direction of the mounting hole 18, thereby locking or unlocking the housing 1 and the fixing frame 2.

The distribution network full-automatic end user voltage quality improving device can further comprise a functional circuit module 7; the functional circuit module 7 is disposed in the housing 1 and includes functional circuits such as an amplifying circuit, a filter circuit, and a signal generating circuit.

As a further improvement, the anti-theft module further comprises: an infrared sensor 8 and an alarm 11; the infrared sensor 8 and the alarm 11 are both electrically connected with the processor 10; the alarm 11 is used for sending out a first alarm signal when the infrared sensor 8 senses that a foreign object approaches.

Specifically, the alarm 11 may emit a signal such as a bright light when the infrared sensor 8 senses that someone or another object approaches, so as to perform a deterrent function. Meanwhile, a network unit 12 may be disposed inside the housing 1, and the housing may be connected to an external control terminal, such as a remote computer, through the network unit 12, and transmit the sensing condition of the infrared sensor 8 through the network unit 12. The alarm 11 can also be in signal connection with the input end of the motor 14, and when the infrared sensor 8 senses that a foreign object approaches, a signal is transmitted to the motor 14 to lock the motor.

Further, the anti-theft module still includes: a vibration sensor 13; the vibration sensor 13 is electrically connected with the processor 10; the alarm 11 is further configured to send out a second alarm signal when the sensed vibration value of the vibration sensor 13 exceeds a preset vibration value.

Specifically, during the process of theft, the housing 1 may generate relatively violent vibration, and when the vibration sensor 13 senses the vibration exceeding the preset vibration value, the alarm 11 may send out a buzzer alarm or alarm information to a preset monitoring system of a mobile phone or a power grid of a contact person.

Further, the bottom of the housing 1 is provided with universal wheels 22. By means of the castor 22, it is facilitated to move the housing 1 so that the mounting hole 18 is aligned with the fixing hole 3.

Further, still include: a damper module 23; the damper module 23 includes: a casing 231, a movable block 233, and a damping shock absorber 232; the jacket 231 is mounted at the bottom of the housing 1; the movable block 233 is movably mounted in the jacket 231; two ends of the damping shock absorber 232 are respectively connected with the sleeve 231 and the first end of the movable block 233; the second end of the movable block 233 is connected to the universal wheel 22.

Particularly, the damping shock absorber 232 can be composed of a plurality of springs, and through the damping module, the shell 1 can be more stable in the moving process, so that the shaking of the internal components is reduced, and the damping shock absorber is suitable for more complicated road conditions.

Further, the bottom of the shell 1 is provided with an air exhaust channel 24, and the top is provided with an air inlet channel 25; a fan 26 is arranged in the air inlet channel 25; a first dust screen 27 is arranged below the air exhaust channel 24; a second dust screen 28 is arranged above the air inlet channel 25.

The first dust screen 27 and the second dust screen 28 can prevent dust from entering the interior of the housing 1, and the interior of the housing 1 can be air-cooled through the air exhaust passage 24, the air intake passage 25 and the fan 26. Wherein, a plurality of air exhaust channels 24 can be arranged, such as two sides of the bottom of the shell 1, which is convenient for cooling in a plurality of directions.

Further, the anti-theft module still includes: a guide member; the guide part comprises two guide rods 33 and a pulley 34; the guide rod 33 is fixed in the shell 1 and is vertical to the fixed rod 19; the pulley 34 is sleeved on the guide rod 33; the fixing lever 19 is interposed between the pulleys 34 of the two guide levers 33.

The rack 20 is prevented from being displaced upward and downward by the guide rod 33.

Further, a sound insulation layer 29 is provided inside the housing; in this embodiment, the sound insulation layer 29 is a polyester fiber sound absorption board with a thickness of 4-6mm, which can achieve sound insulation effect and suppress noise transmission.

Further, the first rotating shaft 15 and the second rotating shaft 16 are both provided with a rotating bevel gear 174; both ends of the driven member 17 are provided with driven bevel gears 173 engaged with the rotating bevel gears 174.

Specifically, the follower 17 includes a follower lever 171 and a connecting plate 172; the driven bevel gears 173 are disposed at both ends of the driven rod 171; and the coupling plate 172 serves to fixedly couple the housing 1, thereby serving as a supporting coupling for the driven lever 171. The driven bevel gear 173 is in conformity with the specification of the rotating bevel gear 174. A gap is formed between the driven rod 171 and the motor 14 to prevent the driven bevel gear 173 on the driven rod 171 from touching the motor 14.

The follower 17 makes the first and second

rotating levers

15 and 16 rotate at the same speed but in opposite directions, and the fixing levers 19 move toward the two ends of the housing 1, respectively.

Further, a closing door 30 is provided on the housing 1; the closed door 30 is provided with an electronic lock 32 and a card reader 31; an electronic lock 32 is electrically connected to the processor 10 for locking the closure door 30; the card reader 31 is electrically connected with the processor and is used for reading card information and further judging whether a card reader is an authenticated worker; the processor 10 is further configured to control the electronic lock 32 to be unlocked when the card information read by the card reader 31 matches the preset staff information.

Although the present invention has been described in detail with reference to examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims

1. The utility model provides a join in marriage full-automatic end user voltage quality hoisting device of net which characterized in that includes: the voltage quality module, the anti-theft module and the shell are arranged;

the thyristor is electrically connected with the controller;

a gear is arranged on the rotating shaft;

a rack is arranged on the fixed rod;

2. The distribution network full-automatic end user voltage quality enhancement device of claim 1, wherein the anti-theft module further comprises: an infrared sensor and an alarm;

3. The distribution network full-automatic end user voltage quality enhancement device of claim 2, wherein the anti-theft module further comprises: a vibration sensor;

the vibration sensor is electrically connected with the controller;

4. The distribution network full-automatic end user voltage quality improving device according to claim 1, characterized in that universal wheels are arranged at the bottom of the shell.

5. The distribution network full-automatic end user voltage quality improving device according to claim 4, further comprising: a shock-absorbing module;

the casing is arranged at the bottom of the shell;

the movable block can be movably arranged in the casing;

and the second end of the movable block is connected with the universal wheel.

6. The distribution network full-automatic end user voltage quality improving device according to claim 1, wherein an air exhaust channel is arranged at the bottom of the shell, and an air intake channel is arranged at the top of the shell;

a fan is arranged in the air inlet channel;

a first dust screen is arranged below the air exhaust channel;

and a second dustproof net is arranged above the air inlet channel.

7. The distribution network full-automatic end user voltage quality enhancement device of claim 1, wherein the anti-theft module further comprises: a guide member;

the guide piece comprises two guide rods and a pulley;

the guide rod is fixed in the shell and is perpendicular to the fixed rod;

the pulley is sleeved on the guide rod;

the fixed rod is clamped between the pulleys of the two guide rods.

8. The distribution network full-automatic end user voltage quality improving device according to claim 1, wherein a sound insulation layer is arranged inside the shell;

9. The distribution network full-automatic end user voltage quality improving device according to claim 1, wherein rotary bevel gears are arranged on the two rotary shafts;

10. The distribution network full-automatic end user voltage quality enhancement device according to claim 1, wherein a closed door is provided on the housing;

the closed door is provided with an electronic lock and a card reader;