CN207664486U - Low-voltage reactive power compensation device and equipment - Google Patents
Low-voltage reactive power compensation device and equipment Download PDFInfo
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- CN207664486U CN207664486U CN201721742190.XU CN201721742190U CN207664486U CN 207664486 U CN207664486 U CN 207664486U CN 201721742190 U CN201721742190 U CN 201721742190U CN 207664486 U CN207664486 U CN 207664486U
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- cabinet
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- microcontroller
- cooling fan
- reactive power
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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
- Y02E40/30—Reactive power compensation
Abstract
The utility model provides a kind of low-voltage reactive power compensation device and equipment, is related to Technique of Compensating Capacitance for Reactive field, including：Cabinet, the cube frame being set in the cabinet, temperature sensor, microcontroller and cooling fan；The air outlet of the air inlet for introducing air-flow and discharge air-flow is provided on cabinet；It is provided with the support plate that cube frame is divided into multiple spaces on cube frame, heat emission hole is provided in each support plate；The input terminal of microcontroller is connect with temperature sensor, and output end is connect with cooling fan, and the temperature value for being acquired according to temperature sensor generates radiation air machine control signal；Cooling fan is set to air inlet, for according to control signal rotation.The utility model provides a kind of low-voltage reactive power compensation device and equipment, is that cabinet radiates by microcontroller control cooling fan rotation.And it is provided with heat emission hole on the supporting plate, the heat dissipation effect inside cabinet can be reinforced, ensure the normal operation of compensation device.
Description
Technical field
The utility model is related to Technique of Compensating Capacitance for Reactive fields, more particularly, to a kind of low-voltage reactive power compensation device
And equipment.
Background technology
Currently, reactive power compensation device is widely used in manufacturing industry, metallurgy, chemical industry, electric power, petrochemical industry, automobile, makes
The electricity utilization sites such as ship, building, communication, hospital and airport are that State Grid's system widelys popularize one of energy-conserving product of application.Nothing
Reactive power compensation device can improve the power factor of power grid, reduce the loss of supply transformer and conveying circuit, improve power supply
Efficiency plays the role of improvement power supply environment very effective.
Existing low-voltage reactive power compensation device generally uses closed cabinet body structure, and internal structure is complicated and winding displacement is miscellaneous
It is disorderly unordered, when the heat caused by the device long-play cannot be distributed effectively, then causes in-cabinet temperature to increase, influence to mend
The normal operation of device inner capacitor is repaid, in-cabinet temperature is excessively high possibly even to cause capacitor to damage.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of low-voltage reactive power compensation device and equipment, with solution
The poor technical problem of certainly existing low-voltage reactive power compensation device heat dissipation effect.
In a first aspect, the utility model embodiment provides a kind of low-voltage reactive power compensation device, including：Cabinet is set
Cube frame, temperature sensor, microcontroller and the cooling fan being placed in the cabinet；
It is provided with the air inlet for introducing air-flow on the cabinet and the air outlet of the air-flow is discharged；
The support plate that the cube frame is divided into multiple spaces is provided on the cube frame, it is each described
At least one heat emission hole is provided in support plate；
The input terminal of the microcontroller is connect with the temperature sensor being set in the support plate, output end with
The cooling fan connection, the temperature value for being acquired according to the temperature sensor generate radiation air machine control signal；
The cooling fan is set to the air inlet, for being rotated according to the control signal.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the air inlet and the air outlet are set on the same side wall of the cabinet, and the air outlet is set to the air inlet
Below mouthful；
It is provided with dust cover on the outside of the air inlet and the air outlet.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the cube frame further includes：Straight slot for installing busbar, the rectangular cross-section of the straight slot；
First cell wall of the straight slot is fixed with the first column positioned at cabinet front in the cube frame, described logical
Second cell wall of slot is fixed with the second column positioned at cabinet front in the cube frame；The upper edge of first cell wall with
The crossbeam for connecting first column and the third column positioned at cabinet rear portion is fixed, the upper edge of second cell wall with connect institute
The crossbeam for stating the second column and the 4th column positioned at cabinet rear portion is fixed.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, the cabinet front end is provided with front panel and positioned at split left dodge gate below front panel and right dodge gate；
Disconnecting switch, power factor button and universal change-over switch are provided on the front panel；
The outer side edges of the left dodge gate and the outer side edges of the right dodge gate are cut with scissors with the edge of the cabinet both sides respectively
It connects.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, power factor controller, breaker and arrester are additionally provided in the cabinet；
The arrester, for the anti-lightning strike protection to the low-voltage reactive power compensation device；
The input terminal of the breaker is connect by copper bar with power grid, output end respectively with arrester and at least one compensation
Capacitance module connects；
The input terminal of the power factor controller presses key connection with the power factor on the front panel of the cabinet,
Output end is connect with the input terminal of the combination switch in each compensating electric capacity module.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, the compensating electric capacity module includes：Fuse, combination switch and the compensation capacitor of cascade Connection；
The fuse is connect with the output end of the disconnecting switch on the front panel；
The compensation capacitor includes：The reactor and capacitor of cascade Connection, the input terminal of the reactor with it is described
The output end of combination switch connects.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, it is additionally provided with power module in the cabinet；
The power module, for powering for the microcontroller；
The power module includes：Electric power management circuit and rechargeable battery.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the microcontroller and the power module may be contained in babinet；
The babinet is mounted on the cabinet and is provided on the madial wall of the cooling fan；
It is provided with display screen on the side wall of the cabinet；
The display screen is connect with the microcontroller, for showing the temperature value inside the cabinet.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, further include：Spark sensor and audible-visual annunciator；
The spark sensor, for detecting the spark occurred in the cabinet；
The microcontroller is connect with the spark sensor, for when there is spark in the cabinet, generating alarm
Control signal；
The audible-visual annunciator is connect with the microcontroller, for being alarmed according to the alarm control signal.
Second aspect, the utility model embodiment also provide a kind of low voltage reactive power compensation equipment, including such as first party
Low-voltage reactive power compensation device described in face.
The utility model embodiment brings following advantageous effect：A kind of Low-voltage provided by the utility model is mended
Device and equipment are repaid, cooling fan is set in cabinet, when cabinet body temperature is higher than predetermined threshold value, microcontroller control heat dissipation
Wind turbine rotates, and radiates for cabinet.Also, it is provided with heat emission hole in the support plate for placing compensating electric capacity module, reinforces in cabinet
The heat dissipation effect in portion ensures the normal operation of compensation device.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view for the reactive power compensation device that the utility model embodiment provides；
Fig. 2 is the internal structure chart for the reactive power compensation device that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram of the support element for the reactive power compensation device that the utility model embodiment provides；
Fig. 4 is the fundamental diagram for the reactive power compensation device that the utility model embodiment provides.
Icon：
100- cabinets；101- power factor controllers；102- air inlets；103- air outlets；104- cooling fans；105- fire
Flower sensor；106- babinets；107- support plates；108- cube frames；109- straight slots；110- heat emission holes；111- temperature sensing
Device；112- power modules；113- microcontrollers；114- audible-visual annunciators.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Currently, existing low-voltage reactive power compensation device heat dissipation effect is poor, it is based on this, the utility model embodiment carries
A kind of low-voltage reactive power compensation device and equipment supplied, is arranged cooling fan in cabinet, when cabinet body temperature is higher than default
When threshold value, microcontroller controls cooling fan rotation, radiates for cabinet.Also, in the support plate for placing compensating electric capacity module
It is provided with heat emission hole, reinforces the heat dissipation effect inside cabinet, ensures the normal operation of compensation device.
For ease of understanding the present embodiment, first to a kind of low-voltage reactive power work(disclosed in the utility model embodiment
Rate compensation device describes in detail.
As shown in Figs 1-4, in one embodiment of the utility model, a kind of low-voltage reactive power compensation device is provided,
Including：Cabinet 100, the cube frame 108 being set in the cabinet 100, temperature sensor 111, microcontroller 113 and dissipate
Air-heater 104.
It is provided with the air inlet 102 for introducing air-flow on the cabinet 100 and the air outlet 103 of the air-flow is discharged.
Specifically, the air inlet 102 and the air outlet 103 are set on the same side wall of the cabinet 100, it is described
Air outlet 103 is set to 102 lower section of the air inlet.Wherein, the outside of the air inlet 102 and the air outlet 103 is arranged
There is dust cover.
The support plate that the cube frame 108 is divided into multiple spaces is provided on the cube frame 108
107, each at least one heat emission hole 110 is provided in the support plate 107.
In practical applications, multiple support plates 107 are arranged in parallel, and each support plate 107 places a capacitance compensation loop.
The cube frame 108 is removably mounted at 100 inner right side of the cabinet.As shown in figure 3, the cube frame 108
Further include：Straight slot 109 for installing busbar, the rectangular cross-section of the straight slot 109.First cell wall of the straight slot 109 with
The first column in the cube frame 108 positioned at 100 front of cabinet is fixed, the second cell wall of the straight slot 109 with it is described
The second column in cube frame 108 positioned at 100 front of cabinet is fixed；The upper edge of first cell wall with connect described first
The crossbeam of column and third column positioned at 100 rear portion of cabinet is fixed, the upper edge of second cell wall with to connect described second vertical
The crossbeam of column and the 4th column positioned at 100 rear portion of cabinet is fixed.Above-mentioned 108 structure of cube frame have it is simple in structure,
The advantages that winding displacement is orderly and easy for installation.
The input terminal of the microcontroller 113 and the temperature sensor 111 being set in the support plate 107 connect
It connects, output end is connect with the cooling fan 104, and the temperature value for being acquired according to the temperature sensor 111 generates heat dissipation
Wind turbine 104 controls signal.
The cooling fan 104 is set at the air inlet 102, for being rotated according to the control signal.
Cooling fan 104 is arranged in a kind of low-voltage reactive power compensation device provided by the utility model in cabinet 100,
When temperature is higher than predetermined threshold value in cabinet 100, microcontroller 113 controls cooling fan 104 and rotates, and radiates for cabinet 100.And
And heat emission hole 110 is provided in the support plate 107 for placing compensating electric capacity module, reinforce the heat dissipation effect inside cabinet 100,
Ensure the normal operation of compensation device.
On the basis of previous embodiment, as shown in Fig. 2, the low-voltage reactive power compensation device of the utility model embodiment
100 front end of cabinet be provided with front panel and split left dodge gate and right dodge gate below the front panel.
Disconnecting switch, power factor button and universal change-over switch are provided on the front panel.
The outer side edges of the left dodge gate and the outer side edges of the right dodge gate edge with 100 both sides of the cabinet respectively
It is hinged.
On the basis of previous embodiment, the cabinet 100 of the low-voltage reactive power compensation device of the utility model embodiment
Inside it is additionally provided with power factor controller 101, breaker and arrester；
The arrester, for the anti-lightning strike protection to the low-voltage reactive power compensation device.
The input terminal of the breaker is connect by copper bar with power grid, output end respectively with arrester and at least one compensation
Capacitance module connects.
Specifically, each compensating electric capacity module includes：Fuse, combination switch and the compensating electric capacity of cascade Connection
Device.Wherein, the fuse is connect with the output end of the disconnecting switch on the front panel.The compensation capacitor packet
It includes：The reactor and capacitor of cascade Connection, the input terminal of the reactor are connect with the output end of the combination switch.It is described
Combination switch includes：The thyristor and relay being connected in parallel.
The input terminal of the power factor controller 101 is pressed with the power factor on the front panel of the cabinet 100
Key connection, output end are connect with the input terminal of the combination switch in each compensating electric capacity module.
Specifically, the low-voltage reactive power compensation device of the utility model embodiment can change according to load adjusts capacitor
Reactive power.
As shown in figure 4, on the basis of previous embodiment, the low-voltage reactive power compensation device of the utility model embodiment
Cabinet 100 in be additionally provided with power module 112.
The power module 112, for powering for the microcontroller 113.
The power module 112 includes：Electric power management circuit and rechargeable battery.
It individually powers specifically, the power module 112 is the microcontroller 113.The electric power management circuit includes：
The circuits such as overvoltage crowbar, current foldback circuit and over under-voltage protection circuit, for being supplied for 113 safety of the microcontroller
Electricity.
On the basis of previous embodiment, as shown in Fig. 2, the low-voltage reactive power compensation device of the utility model embodiment
In microcontroller 113 and the power module 112 may be contained in babinet 106.
The babinet 106 is mounted on the cabinet 100 and is provided on the madial wall of the cooling fan 104.
It is provided with display screen on the side wall of the cabinet 100.
The display screen is connect with the microcontroller 113, for showing the temperature value inside the cabinet 100.
In practical applications, the side for babinet 106 being corresponded in cabinet 100 is provided with opening, for accommodating and the micro-control
The display screen that device 113 processed connects.Installation and repairing personnel only need to be by checking the display screen on 100 side wall of the cabinet, you can
Know the temperature value in cabinet 100, it is convenient and efficient.
On the basis of previous embodiment, in another embodiment of the utility model, the low voltage reactive power compensation
Device further includes：Spark sensor 105 and audible-visual annunciator 114.
The spark sensor 105, for detecting the spark occurred in the cabinet 100.
The microcontroller 113 is connect with the spark sensor 105, for when there is spark in the cabinet 100,
Generate alarm control signal.
The audible-visual annunciator 114 is connect with the microcontroller 113, for being alarmed according to the alarm control signal.
In practical applications, capacitor when being run due to work is susceptible to spark, causes danger.The utility model is real
It applies in example, detects in cabinet 100 whether spark occur by spark sensor 105, if there is spark and alarm, remind inspection
It repaiies personnel to overhaul in time, improves overhaul efficiency.
In another embodiment of the utility model, a kind of low voltage reactive power compensation equipment is additionally provided, including as before
State the low-voltage reactive power compensation device described in embodiment.
The computer program product of low-voltage reactive power compensation device and system that the utility model embodiment is provided,
Computer readable storage medium including storing program code, the instruction that said program code includes can be used for executing front side
Method described in method embodiment, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, the technical solution of the utility model substantially or
Person says that the part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
Personal computer, server or the network equipment etc.) execute each embodiment the method for the utility model whole or portion
Step by step.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic disc or CD
Matter.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of low-voltage reactive power compensation device, which is characterized in that including：Cabinet (100) is set to the cabinet (100)
Interior cube frame (108), temperature sensor (111), microcontroller (113) and cooling fan (104)；
The air outlet (103) of the air inlet (102) for introducing air-flow and the discharge air-flow is provided on the cabinet (100)；
The support plate that the cube frame (108) is divided into multiple spaces is provided on the cube frame (108)
(107), it is provided at least one heat emission hole (110) on each support plate (107)；
The input terminal of the microcontroller (113) and the temperature sensor (111) being set in the support plate (107) connect
It connects, output end is connect with the cooling fan (104), and the temperature value for being acquired according to the temperature sensor (111) generates
Cooling fan (104) controls signal；
The cooling fan (104) is set at the air inlet (102), for being rotated according to the control signal.
2. the apparatus according to claim 1, which is characterized in that the air inlet (102) and the air outlet (103) setting
In on the same side wall of the cabinet (100), the air outlet (103) is set to below the air inlet (102)；
It is provided with dust cover on the outside of the air inlet (102) and the air outlet (103).
3. the apparatus of claim 2, which is characterized in that the cube frame (108) further includes：For installing mother
The straight slot (109) of line, the rectangular cross-section of the straight slot (109)；
First cell wall of the straight slot (109) and the first column for being located at cabinet (100) front in the cube frame (108)
Fixed, the second cell wall of the straight slot (109) is stood in the cube frame (108) positioned at the second of cabinet (100) front
Column is fixed；The cross of third column of the upper edge of first cell wall with first column is connect and positioned at cabinet (100) rear portion
Beam is fixed, the cross of fourth column of the upper edge of second cell wall with second column is connect and positioned at cabinet (100) rear portion
Beam is fixed.
4. device according to claim 3, which is characterized in that cabinet (100) front end is provided with front panel and is located at
Split left dodge gate and right dodge gate below front panel；
Disconnecting switch, power factor button and universal change-over switch are provided on the front panel；
The outer side edges of the left dodge gate and the outer side edges of the right dodge gate are cut with scissors with the edge of the cabinet (100) both sides respectively
It connects.
5. device according to claim 4, which is characterized in that be additionally provided with power factor controlling in the cabinet (100)
Device (101), breaker and arrester；
The arrester, for the anti-lightning strike protection to the low-voltage reactive power compensation device；
The input terminal of the breaker is connect by copper bar with power grid, output end respectively with arrester and at least one compensating electric capacity
Module connects；
The input terminal of the power factor controller (101) is pressed with the power factor on the front panel of the cabinet (100)
Key connection, output end are connect with the input terminal of the combination switch in each compensating electric capacity module.
6. device according to claim 5, which is characterized in that the compensating electric capacity module includes：The fusing of cascade Connection
Device, combination switch and compensation capacitor；
The fuse is connect with the output end of the disconnecting switch on the front panel；
The compensation capacitor includes：The reactor and capacitor of cascade Connection, the input terminal of the reactor with it is described compound
The output end of switch connects.
7. device according to claim 6, which is characterized in that be additionally provided with power module in the cabinet (100)
(112)；
The power module (112), for powering for the microcontroller (113)；
The power module (112) includes：Electric power management circuit and rechargeable battery.
8. device according to claim 7, which is characterized in that the microcontroller (113) and the power module are all provided with
It is placed in babinet (106)；
The babinet (106) is mounted on the cabinet (100) and is provided on the madial wall of the cooling fan (104)；
It is provided with display screen on the side wall of the cabinet (100)；
The display screen is connect with the microcontroller (113), the temperature value internal for showing the cabinet (100).
9. device according to claim 8, which is characterized in that further include：Spark sensor (105) and audible-visual annunciator
(114)；
The spark sensor (105), for detecting the spark occurred in the cabinet (100)；
The microcontroller (113) connect with the spark sensor (105), for there is spark when the cabinet (100) is interior
When, generate alarm control signal；
The audible-visual annunciator (114) connect with the microcontroller (113), for being alarmed according to the alarm control signal.
10. a kind of low voltage reactive power compensation equipment, which is characterized in that include low pressure as described in claim 1 to 9 is any without
Reactive power compensation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742190.XU CN207664486U (en) | 2017-12-13 | 2017-12-13 | Low-voltage reactive power compensation device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742190.XU CN207664486U (en) | 2017-12-13 | 2017-12-13 | Low-voltage reactive power compensation device and equipment |
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| Publication Number | Publication Date |
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| CN207664486U true CN207664486U (en) | 2018-07-27 |
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ID=62941259
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845970A (en) * | 2017-12-13 | 2018-03-27 | 环宇集团（南京）有限公司 | Low-voltage reactive power compensation device and equipment |
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2017
- 2017-12-13 CN CN201721742190.XU patent/CN207664486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845970A (en) * | 2017-12-13 | 2018-03-27 | 环宇集团（南京）有限公司 | Low-voltage reactive power compensation device and equipment |
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