CN108233239A - A kind of high pressure equipment for power transmission and distribution pressure relief system - Google Patents
A kind of high pressure equipment for power transmission and distribution pressure relief system Download PDFInfo
- Publication number
- CN108233239A CN108233239A CN201711398153.6A CN201711398153A CN108233239A CN 108233239 A CN108233239 A CN 108233239A CN 201711398153 A CN201711398153 A CN 201711398153A CN 108233239 A CN108233239 A CN 108233239A
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- China
- Prior art keywords
- room
- pressure release
- bus
- circuit breaker
- breaker cart
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of high pressure equipment for power transmission and distribution pressure relief systems,Its structure includes top pressure release passage,Shell,Branch bar,Bus casing,Main bus-bar,Static contact,Contact box,Current transformer,Earthing switch,Cable,Shock absorber,Earth bus,Bottom plate,Cable vault,Bottom pressure release passage,Pilot slot,Earthing switch operating lever,Withdrawable horizontal baffle,Rear portion pressure release passage,Heater,Circuit breaker cart,Secondary plug,Circuit breaker cart room valve,Circuit breaker cart room,Relay control room,Loading and unloading type partition board,Bus-bar room,Pass through the top pressure release passage being equipped with,Bottom pressure release passage,Pressure release passage three pressure release passages in rear portion are combined with each other,Work as bus-bar room,Breaker chamber,When cable vault generates high temperature and high pressure gas short circuit due to,Effective vented gasses release stress,It can be by independent pressure release passage respectively from top,Rear portion,Bottom carries out pressure release,Ensure personal safety,It prevents from further expanding accident potential.
Description
Technical field
The present invention is a kind of high pressure equipment for power transmission and distribution pressure relief system, belongs to electric equipment products pressure release technical field.
Background technology
High pressure equipment for power transmission and distribution includes high voltage power distributing cabinet, refers to for electric system power generation, transmission of electricity, distribution, electric energy conversion
With electric equipment products the effects that break-make, control or protection are played in consumption, the selection for high-tension switch cabinet, including content be high
The cabinet type selection (fixed or handcart-type) of cabinet, the series selection of high-tension switch cabinet compress switch (including being to select few oil
Breaker or vacuum circuit breaker type), the selections of High-Voltage Electrical Appliances；(1) cabinet type selects：Communication bureau's (station) should in the type selecting of equipment
Be based on domestic product (domestic or joint), it is desirable that equipment and technology is advanced, reliable in quality, operational safety, convenient for safeguarding, body
Product is small；(2) the degree of protection standard of cabinet：At present there are two types of the degree of protection of high-tension switch cabinet body：1)IP3X：Prevent diameter
Solid foreign materials more than 2.5mm enter in cabinet；2)IP4X：Prevent solid foreign materials of the diameter more than 1mm from entering in cabinet；(3) high pressure
The selection of electric appliance：No matter the basic demand of High-Voltage Electrical Appliances selection is to ensure that electrical equipment is transported under normal operation or fault condition
Row safety, the rated voltage and rated current of electric appliance must satisfy the requirement of power supply, and currently, the economic development in China achieves one
Fixed progress, while living standard is also constantly improving per capita, and, broad masses of the people using the total quantity of electrical equipment with
And total electricity consumption is also being continuously improved, for the last century 90's comparison, hence it is evident that increase, although the universal of electrical equipment is given
The routine work of the people brings great convenience with life, still, high pressure equipment for power transmission and distribution in the process of running because kind
Kind of reason (such as short circuit, insulation ag(e)ing, human operational error) causes primary circuit short trouble generation, short at tens thousand of amperes
Under the electric current of road, moment generates high temperature and high pressure gas, if high temperature and high pressure gas cannot have in narrow cabinet in very short time
Effect release, can cause switchgear to burst, the damage of adjacent switch cabinet, while may injure personal safety.Therefore, switchgear is designing
When, it is necessary to consider effective pressure-relief measure.
Pressure relief system design of the prior art on high pressure equipment for power transmission and distribution is less comprehensive, when in high pressure equipment for power transmission and distribution
Portion's method break down electric arc when, along with the appearance of electric arc, the high temperature air pressure inside high pressure equipment for power transmission and distribution drastically increases, if
Only with top pressure release or bottom pressure release, rear portion pressure release, single pressure release passage can not within a short period of time by the air pressure into
The effective release of row, practicability are poor.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of high pressure equipment for power transmission and distribution pressure relief system, with
It is less comprehensive to solve pressure relief system design of the prior art on high pressure equipment for power transmission and distribution, when the internal law of high pressure equipment for power transmission and distribution
Break down electric arc when, along with the appearance of electric arc, the high temperature air pressure inside high pressure equipment for power transmission and distribution drastically increases, if only adopted
With top pressure release or bottom pressure release, rear portion pressure release, single pressure release passage can not within a short period of time have the air pressure
The problem of release of effect, practicability is poor.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of high pressure equipment for power transmission and distribution
Pressure relief system, structure include top pressure release passage, shell, branch bar, bus casing, main bus-bar, static contact, contact box,
Current transformer, earthing switch, cable, shock absorber, earth bus, bottom plate, cable vault, bottom pressure release passage, pilot slot,
Earthing switch operating lever, withdrawable horizontal baffle, rear portion pressure release passage, heater, circuit breaker cart, secondary plug, open circuit
Device handcart room valve, circuit breaker cart room, relay control room, loading and unloading type partition board, bus-bar room, the left end installation of the bus-bar room
Have a circuit breaker cart room and relay control room, the bus casing set there are three and internal mechanical connection have branch bar with
Main bus-bar, the branch bar are electrically connected by bus casing with the static contact inside contact box, and the contact box is mounted on disconnected
Between road device handcart room and bus-bar room, the inside of the bus-bar room and current transformer is connected with positioned at the bottom end of bus casing,
The current transformer is electrically connected with the earthing switch inside cable vault, and the earthing switch is mounted on a left side for shock absorber
Upper angle, the shock absorber are electrically connected to bus-bar room with earthing switch by cable, and the earth bus is fixed on the upper left of bottom plate
Angle and the inside for being each provided at cable vault, bottom end and the bottom pressure release passage of the cable vault are mutually communicated, and the bus-bar room is with breaking
The upper end of road device handcart room connects with top pressure release passage, and the junction of the circuit breaker cart room and bus-bar room is equipped with dress
Formula partition board is unloaded, the circuit breaker cart room is hinged with the circuit breaker cart room valve on loading and unloading type partition board, the open circuit
The upper right corner of device handcart room is fixed with relay control room, and the relay control room is electrically connected by the secondary plug that bottom end is equipped with
Connect circuit breaker cart, the left end mechanical connection having heaters of the circuit breaker cart, the circuit breaker cart room, relay instruments and meters
The back side of room connects with rear portion pressure release passage, the company for stating circuit breaker cart room, the bottom end of bus-bar room and cable vault upper end
The place of connecing is horizontally installed with withdrawable horizontal baffle and passes through earthing switch operating lever and is electrically connected with earthing switch, and the control is led
Wire casing is mounted on the right end of cable vault, and the inside of the top pressure release passage includes plunger, upper jacking block, nylon bolt, pressure release gold
Belong to plate, secondary pressure relief opening, fixed convex block, fixed groove, lower jacking block, main pressure relief opening, the plunger is embedded in the inside of jacking block simultaneously
With being tightly connected by one end of nylon bolt and pressure release metallic plate, the pressure release metallic plate is internally provided with secondary pressure relief opening, institute
The other end and fixed convex block for stating pressure release metallic plate are integrated, and the fixed convex block passes through fixed groove and lower jacking block machine
Tool connects, and the fixed groove is integrated with lower jacking block, and the main pressure relief opening is located at the inside of jacking block and is located at and lets out
The left and right ends of laminated metal sheet, circuit breaker cart room valve is by valve door body, mechanical latching device, door frame, electric-magnetic lock device
Composition, the valve door body are integrated with door frame, and the left end of the door frame is equipped with mechanical latching device, and the door frame is set
There are two electric-magnetic lock device is fixedly connected between it, the keying end of the mechanical latching device passes through connecting cable and electric-magnetic lock
The signal end electrical connection of device.
Further, the locking of the mechanical latching device and electric-magnetic lock device composition circuit breaker cart room valve links
Structure.
Further, the cable vault, pilot slot, circuit breaker cart room, relay control room, bus-bar room mutually pass through
Lead to and be respectively mounted the internal structure with the Inner Constitution high pressure equipment for power transmission and distribution of shell.
Further, the external structure of the shell is equipped with pressure gauge, loose-leaf, door body, window.
Further, the shell is hinged by loose-leaf and door body, the door body 1/3rd at installation there are three press
Power table, the door body 2/3rds at window is installed.
Further, the channel position released stress of the top pressure release passage, bottom pressure release passage, rear portion pressure release passage
It is opposite with operating walk way personnel front setting in the outside of high pressure equipment for power transmission and distribution, the gas injury discharged is avoided to operator
Member.
Further, whole busbares inside the bus-bar room are all with insulating sleeve plastic packaging, busbar through loading and unloading type every
It during plate, is fixed with bus casing, when failure electric arc, the accident that can limit spreads to adjacent cabinet, and can ensure that the machinery of busbar is strong
Degree.
Further, the mechanical latching device is by electromagnetism dead point straight pin, balance pivot straight pin, lever, pressing plate, bullet
Spring, fixing bracket, lower contact composition, electromagnetism dead point straight pin are threaded in the one of lever with balance pivot straight pin
End, the other end of the lever are matched with pressing plate, and the pressing plate is flexibly connected by the spring of bottom end with fixing bracket, described
Fixing bracket is welded in lower contact.
Further, the electric-magnetic lock device includes handle, square neck bolt, connecting lever, top connection, acceleration cable, valve side
Wall, the handle are mechanically connected connecting lever by square neck bolt, and one end of the top connection is fixed on valve side wall, it is described on connect
The other end of head is flexibly connected by acceleration cable with lower contact.
Advantageous effect
A kind of high pressure equipment for power transmission and distribution pressure relief system of the present invention, the present invention bus-bar room, circuit breaker cart room, cable vault,
Relay control room is designed with independent pressure release and passes through, when bus-bar room with circuit breaker cart chamber interior due to electric arc or short circuit etc.
During the high temperature and high pressure gas that reason generates, effective pressure release can be carried out by the top pressure release passage being equipped with, the present invention be equipped with three
A independent pressure release passage specification is consistent, and it is close by the nylon bolt machinery at both ends that pressure release passage is internally provided with pressure release metallic plate
The connecting pin of jacking block internal piston is enclosed in, when internal high temperature air pressure drastically increases, connects the nylon bolt of pressure release metallic plate
Main pressure relief opening is quickly unfolded into automatically after being melted, the pressure release metallic plate after being opened passes through consolidating close to secondary pressure relief opening one end
The fixed groove for determining convex block and lower jacking block is intermeshed, therefore realizes the effect of fixed pressure release metallic plate, due to pressure release metallic plate
It is quickly opened, while the secondary pressure relief opening for being sealed in plunger bottom end is also turned on, therefore forms the main pressure release for releasing stress
Mouth, secondary pressure relief opening, gas carry out pressure releases by two pressure relief openings, can effectively be drained by two pressure relief openings being equipped with
Gas releases stress, and according to same mode, relay control room can carry out pressure release and excretion by rear portion pressure release passage,
Cable vault carries out pressure release by bottom pressure release passage, which is mutually communicated, can quickly be had within the shortest time
The pressure release work of effect, avoids damaging adjacent high pressure equipment for power transmission and distribution, to protect the safety of channel personnel and equipment, release stress logical
Road position is opposite with operating walk way personnel front, and high temperature and high pressure gas is avoided to burn operating personnel, highly practical, by being equipped with
Top pressure release passage, three bottom pressure release passage, rear portion pressure release passage pressure release passages be combined with each other, when bus-bar room, breaker
When room, cable vault generate high temperature and high pressure gas short circuit due to, effective vented gasses release stress, and can be let out by independent
Pressure passageway carries out pressure release from top, rear portion, bottom respectively, it is ensured that personal safety prevents from further expanding accident potential.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of hardware connection structure schematic diagram of high pressure equipment for power transmission and distribution pressure relief system of the present invention.
Fig. 2 is a kind of structure diagram of high pressure equipment for power transmission and distribution pressure relief system of the present invention.
Fig. 3 is the inner mounting structure schematic diagram of present invention top pressure release passage.
Fig. 4 is the pressure release workflow schematic diagram of Fig. 3 of the present invention.
Fig. 5 is the surface structure schematic diagram of circuit breaker cart room of the present invention valve.
Fig. 6 is a kind of high pressure equipment for power transmission and distribution structure diagram of high pressure equipment for power transmission and distribution pressure relief system of the present invention.
Fig. 7 is the structure diagram of A in Fig. 5 of the present invention.
Fig. 8 is the structure diagram of B in Fig. 5 of the present invention.
In figure：Top pressure release passage -1, branch bar -3, bus casing -4, main bus-bar -5, static contact -6, touches shell -2
Head cartridge -7, current transformer -8, earthing switch -9, cable -10, shock absorber -11, earth bus -12, bottom plate -13, cable vault -
14th, bottom pressure release passage -15, pilot slot -16, earthing switch operating lever -17, withdrawable horizontal baffle -18, rear portion are let out
Pressure passageway -19, heater -20, circuit breaker cart -21, secondary plug -22, circuit breaker cart room valve -23, circuit breaker cart
Room -24, relay control room -25, loading and unloading type partition board -26, bus-bar room -27, plunger -101, upper jacking block -102, nylon bolt -
103rd, pressure release metallic plate -104, secondary pressure relief opening -105, fixed convex block -106, fixed groove -107, lower jacking block -108, main pressure release
Mouth -109, valve door body -231, mechanical latching device -232, door frame -233, electric-magnetic lock device -234, electromagnetism dead point straight pin -
2321st, balance pivot straight pin -2322, lever -2323, pressing plate -2324, spring -2325, fixing bracket -2326, lower contact -
2327th, handle -2341, square neck bolt -2342, connecting lever -2343, top connection -2344, acceleration cable -2345, valve side wall -
2346th, pressure gauge -28, loose-leaf -29, door body -30, window -31.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
- Fig. 6 is please referred to Fig.1, the present invention provides a kind of high pressure equipment for power transmission and distribution pressure relief system, and structure includes top pressure release
Channel 1, shell 2, branch bar 3, bus casing 4, main bus-bar 5, static contact 6, contact box 7, current transformer 8, earthing switch
9th, cable 10, shock absorber 11, earth bus 12, bottom plate 13, cable vault 14, bottom pressure release passage 15, pilot slot 16, ground connection
Switch operating rod 17, withdrawable horizontal baffle 18, rear portion pressure release passage 19, heater 20, circuit breaker cart 21, secondary plug
22nd, circuit breaker cart room valve 23, circuit breaker cart room 24, relay control room 25, loading and unloading type partition board 26, bus-bar room 27, institute
The left end for stating bus-bar room 27 is equipped with circuit breaker cart room 24 and relay control room 25, the bus casing 4 set there are three and
Internal mechanical connection has a branch bar 3 and main bus-bar 5, the branch bar 3 by bus casing 4 with inside contact box 7
Static contact 6 is electrically connected, the contact box 7 be mounted between circuit breaker cart room 24 and bus-bar room 27, the bus-bar room 27 it is interior
Portion and be connected with current transformer 8 positioned at the bottom end of bus casing 4, the current transformer 8 with inside cable vault 14
Earthing switch 9 be electrically connected, the earthing switch 9 is mounted on the upper left corner of shock absorber 11, the shock absorber 11 and earthing switch 9
Bus-bar room 27 is electrically connected to by cable 10, the earth bus 12 is fixed on the upper left corner of bottom plate 13 and is each provided at cable vault 14
Inside, bottom end and the bottom pressure release passage 15 of the cable vault 14 be mutually communicated, the bus-bar room 27 and circuit breaker cart room
24 upper end connects with top pressure release passage 1, and the circuit breaker cart room 24 and the junction of bus-bar room 27 are equipped with handling
Formula partition board 26, the circuit breaker cart room 24 and the circuit breaker cart room valve 23 on loading and unloading type partition board 26 are hinged, institute
The upper right corner for stating circuit breaker cart room 24 is fixed with relay control room 25, what the relay control room 25 was equipped with by bottom end
Secondary plug 22 is electrically connected circuit breaker cart 21, and the left end mechanical connection having heaters 20 of the circuit breaker cart 21 is described disconnected
Road device handcart room 24, the back side of relay control room 25 and rear portion pressure release passage 19 connect, it is described state circuit breaker cart room 24,
The junction of the bottom end of bus-bar room 27 and 14 upper end of cable vault is horizontally installed with withdrawable horizontal baffle 18 and passes through ground connection and opens
It closes operating lever 17 to be electrically connected with earthing switch 9, the pilot slot 16 is mounted on the right end of cable vault 14, the top pressure release
The inside of channel 1 is convex including plunger 101, upper jacking block 102, nylon bolt 103, pressure release metallic plate 104, secondary pressure relief opening 105, fixation
Block 106, fixed groove 107, lower jacking block 108, main pressure relief opening 109, the plunger 101 be embedded in the inside of jacking block 102 and with
It is tightly connected by one end of nylon bolt 103 and pressure release metallic plate 104, the pair that is internally provided with of the pressure release metallic plate 104 is let out
Mouth 105 is pressed, the other end of the pressure release metallic plate 104 is integrated with fixed convex block 106, and the fixed convex block 106 is logical
It crosses fixed groove 107 to be mechanically connected with lower jacking block 108, the fixed groove 107 is integrated with lower jacking block 108, described
Main pressure relief opening 109 is located at the inside of jacking block 101 and positioned at the left and right ends of pressure release metallic plate 104, the circuit breaker cart room
Valve 23 is made of valve door body 231, mechanical latching device 232, door frame 233, electric-magnetic lock device 234, the valve door body 231 with
Door frame 233 is integrated, and the left end of the door frame 233 is equipped with mechanical latching device 232, there are two the door frame 233 is set
Electric-magnetic lock device 234 is fixedly connected between it, the keying end of the mechanical latching device 232 passes through connecting cable and electric-magnetic lock
The signal end electrical connection of device 234, the mechanical latching device 232 and the electric-magnetic lock device 234 composition circuit breaker cart room valve
23 locking linkage structure, the cable vault 14, pilot slot 16, circuit breaker cart room 24, relay control room 25, busbar
Room 27 is mutually communicated and is respectively mounted the internal structure with the Inner Constitution high pressure equipment for power transmission and distribution of shell 2, the outside of the shell 2
Structure is equipped with pressure gauge 28, loose-leaf 29, door body 30, window 31, and the shell 2 is hinged by loose-leaf 29 and door body 30, described
Installation is there are three pressure gauge 28 at 1/3rd of door body 30, the door body 30 2/3rds at window 31, institute are installed
State top pressure release passage 1, bottom pressure release passage 15, rear portion pressure release passage 19 the channel position released stress be located at high pressure transmission ＆ distribution
The outside of electric equipment is opposite with operating walk way personnel front, avoids the gas injury discharged to operating personnel, the bus-bar room 27
Internal whole busbares all with insulating sleeve plastic packaging, when busbar runs through loading and unloading type partition board 26, are fixed with bus casing 4, when going out
Existing fault electric arc, the accident that can limit spreads to adjacent cabinet, and can ensure the mechanical strength of busbar.
The present invention is designed with independent let out in bus-bar room 27, circuit breaker cart room 24, cable vault 14, relay control room 25
Pressure passes through, the high temperature and high pressure gas generated due to electric arc or short circuit etc. inside bus-bar room 27 and circuit breaker cart room 24
When, effective pressure release can be carried out by the top pressure release passage 1 being equipped with, three independent pressure release passage specifications that the present invention is equipped with are equal
Unanimously, as shown in figure 3, pressure release passage is internally provided with nylon bolt 103 mechanical seal of the pressure release metallic plate 104 by both ends upper
The connecting pin of 102 internal piston 101 of jacking block, when internal high temperature air pressure drastically increases, the nylon spiral shell of connection pressure release metallic plate 104
Bolt 103 is quickly unfolded into main pressure relief opening 109 automatically after being melted, and the pressure release metallic plate 104 after being opened close to pair by letting out
The fixation convex block 106 and the fixed groove 107 of lower jacking block 108 of 105 one end of pressure mouth are intermeshed, therefore realize fixed pressure release metal
The effect of plate 104 since pressure release metallic plate 104 is quickly opened, while is sealed in the secondary pressure relief opening 105 of 101 bottom end of plunger
It is opened, therefore forms main pressure relief opening 109, the secondary pressure relief opening 105 for releasing stress, gas is carried out by two pressure relief openings
Pressure discharges, and can effectively vented gasses be released stress by two pressure relief openings being equipped with, according to same mode, relay instrument
Table room 25 can carry out pressure release and excretion by rear portion pressure release passage 19, and cable vault 14 is let out by bottom pressure release passage 15
Pressure, the pressure relief system are mutually communicated, and quickly and effectively pressure release work can be carried out within the shortest time, avoids damaging adjacent high pressure
Equipment for power transmission and distribution, to protect the safety of channel personnel and equipment, release stress channel position with operating walk way personnel front phase
The back of the body avoids high temperature and high pressure gas from burning operating personnel, highly practical.
Embodiment 2
- Fig. 8 is please referred to Fig.1, the mechanical latching device 232 is by electromagnetism dead point straight pin 2321, balance pivot straight pin
2322nd, lever 2323, pressing plate 2324, spring 2325, fixing bracket 2326, lower contact 2327 form, electromagnetism dead point cylinder
Pin 2321 is threaded in one end of lever 2323, the other end and pressure of the lever 2323 with balance pivot straight pin 2322
Plate 2324 matches, and the pressing plate 2324 is flexibly connected by the spring 2325 of bottom end with fixing bracket 2326, the fixed branch
Frame 2326 is welded in lower contact 2327, the electric-magnetic lock device 234 include handle 2341, square neck bolt 2342, connecting lever 2343,
Top connection 2344, acceleration cable 2345, valve side wall 2346, the handle 2341 are mechanically connected connecting lever by square neck bolt 2342
2343, one end of the top connection 2344 is fixed on valve side wall 2346, and the other end of the top connection 2344 passes through throttle
Bracing wire 2345 is flexibly connected with lower contact 2327.
The function that mechanical latching device 232 is realized with the locking linkage structure that electric-magnetic lock device 234 is combined into is exactly handle
2341 when being in intermediate position, and switchgear disconnecting switch is in closing position, can only carry out at this time breaker point,
Closing operation, disconnecting switch is cannot to carry out breaking operation by 232 forced blocking of mechanical latching device, to disconnect disconnecting switch,
Normal operating is first cut-off breaker, and handle 2341 is rotated clockwise to the position of segmentation locking, it is possible to which disconnection is kept apart
It closes, if just depressing 2325 cap of spring at handle 2341 in the case of not having cut-off breaker again, rotates clockwise handle 2341 and arrive
Be segmented the position of locking, the connecting lever 2343 in Handle axis also rotates clockwise simultaneously, by steel wire drive 2323 big end of lever to
Lower movement, small end move up, and Tiao Zhe mechanisms dead point axis under the action of breaker open operation spring, completes separating brake by dead point
Action, so as to which forced cut-out device disconnects, realization prevents on-load broaching tool lock function, due to the Tiao Zhe mechanisms always of lever 2323 at this time
Dead point, mechanism are unable to energy storage, cannot also carry out the combined floodgate of breaker, realize the function of preventing falsely close circuit breaker.
Current transformer 8 of the present invention is that primary side high current is converted into secondary side according to electromagnetic induction principle is small
Electric current is made of the instrument that measures, current transformer the iron core and winding being closed, its first side winding number of turn is seldom, string
In the circuit of electric current for needing to measure, therefore whole electric currents that it often has circuit flow through, and secondary side winding turn ratio is more,
It is serially connected in measuring instrumentss and protective loop, at work, its secondary side circuit is to be closed always to current transformer, therefore
The impedance very little of measuring instrumentss and protective loop series coil, the close short circuit of working condition of current transformer, current transformer 8
It is that primary side high current is converted into secondary side low current to measure, secondary side can not open a way.
Its structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method,
The present invention solves the problems, such as it is that pressure relief system design of the prior art on high pressure equipment for power transmission and distribution is less comprehensive, when high pressure transmission ＆ distribution
The internal law of electric equipment break down electric arc when, along with the appearance of electric arc, the high temperature air pressure inside high pressure equipment for power transmission and distribution is anxious
Play raising, if can not be in the short period only with top pressure release or bottom pressure release, rear portion pressure release, single pressure release passage
Interior effectively to be discharged the air pressure, practicability is poor, and being combined with each other by above-mentioned component of the invention passes through the top being equipped with
Three portion's pressure release passage, bottom pressure release passage, rear portion pressure release passage pressure release passages are combined with each other, when bus-bar room, breaker chamber, electricity
When cable room generates high temperature and high pressure gas short circuit due to, effective vented gasses release stress, and can be led to by independent pressure release
Road carries out pressure release from top, rear portion, bottom respectively, it is ensured that personal safety prevents from further expanding accident potential, institute specific as follows
It states：
The bottom end of the cable vault 14 is mutually communicated with bottom pressure release passage 15, the bus-bar room 27 and circuit breaker cart room
24 upper end connects with top pressure release passage 1, and the circuit breaker cart room 24, the back side of relay control room 25 and rear portion are let out
Pressure passageway 19 connects, and the inside of the top pressure release passage 1 includes plunger 101, upper jacking block 102, nylon bolt 103, pressure release
Metallic plate 104, secondary pressure relief opening 105, fixed convex block 106, fixed groove 107, lower jacking block 108, main pressure relief opening 109, the plunger
101 are embedded in the inside of jacking block 102 and with being tightly connected by one end of nylon bolt 103 and pressure release metallic plate 104, described
Pressure release metallic plate 104 is internally provided with secondary pressure relief opening 105, and the other end of the pressure release metallic plate 104 is one with fixed convex block 106
Body structure, the fixed convex block 106 are mechanically connected by fixed groove 107 and lower jacking block 108, the fixed groove 107 with
Lower jacking block 108 is integrated, and the main pressure relief opening 109 is located at the inside of jacking block 101 and positioned at pressure release metallic plate 104
Left and right ends.
The basic principles, main features and the advantages of the invention have been shown and described above, for this field skill
For art personnel, it is clear that the present invention is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes falling within the meaning and scope of the equivalent requirements of the claims in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of high pressure equipment for power transmission and distribution pressure relief system, structure includes top pressure release passage (1), shell (2), branch bar
(3), bus casing (4), main bus-bar (5), static contact (6), contact box (7), current transformer (8), earthing switch (9), cable
(10), shock absorber (11), earth bus (12), bottom plate (13), cable vault (14), bottom pressure release passage (15), pilot slot
(16), earthing switch operating lever (17), withdrawable horizontal baffle (18), rear portion pressure release passage (19), heater (20), open circuit
Device handcart (21), secondary plug (22), circuit breaker cart room valve (23), circuit breaker cart room (24), relay control room
(25), loading and unloading type partition board (26), bus-bar room (27), it is characterised in that：
The left end of the bus-bar room (27) is equipped with circuit breaker cart room (24) and relay control room (25), the bus casing
(4) there are three setting and internal mechanical connection has branch bar (3) and main bus-bar (5), and the branch bar (3) passes through bus sheath
Pipe (4) static contact (6) internal with contact box (7) is electrically connected, and the contact box (7) is mounted on circuit breaker cart room (24) and mother
Between line room (27), the inside of the bus-bar room (27) and current transformer (8) is connected with positioned at the bottom end of bus casing (4),
The current transformer (8) is electrically connected with mounted on cable vault (14) internal earthing switch (9), earthing switch (9) peace
Mounted in the upper left corner of shock absorber (11), the shock absorber (11) is electrically connected to bus-bar room with earthing switch (9) by cable (10)
(27), the earth bus (12) is fixed on the upper left corner of bottom plate (13) and is each provided at the inside of cable vault (14), the cable
The bottom end of room (14) is mutually communicated with bottom pressure release passage (15), the bus-bar room (27) and the upper end of circuit breaker cart room (24)
It connects with top pressure release passage (1), the circuit breaker cart room (24) and the junction of bus-bar room (27) are equipped with loading and unloading type
Partition board (26), the circuit breaker cart room (24) are cut with scissors with the circuit breaker cart room valve (23) on loading and unloading type partition board (26)
It connects, the upper right corner of the circuit breaker cart room (24) is fixed with relay control room (25), and the relay control room (25) is logical
Cross secondary plug (22) the electrical connection circuit breaker cart (21) that bottom end is equipped with, the left end mechanical connection of the circuit breaker cart (21)
Having heaters (20), the circuit breaker cart room (24), relay control room (25) the back side and rear portion pressure release passage (19) phase
Perforation, it is described state circuit breaker cart room (24), the junction of bottom end and cable vault (14) upper end of bus-bar room (27) is horizontally mounted
There is withdrawable horizontal baffle (18) and pass through earthing switch operating lever (17) and be electrically connected with earthing switch (9), the control is led
Wire casing (16) is mounted on the right end of cable vault (14)；
The inside of the top pressure release passage (1) includes plunger (101), upper jacking block (102), nylon bolt (103), pressure release metal
Plate (104), secondary pressure relief opening (105), fixed convex block (106), fixed groove (107), lower jacking block (108), main pressure relief opening (109),
The plunger (101) be embedded in the inside of jacking block (102) and with by nylon bolt (103) and pressure release metallic plate (104)
One end is tightly connected, and the pressure release metallic plate (104) is internally provided with secondary pressure relief opening (105), the pressure release metallic plate (104)
The other end is integrated with fixed convex block (106), and the fixed convex block (106) passes through fixed groove (107) and lower jacking block
(108) it is mechanically connected, the fixed groove (107) is integrated with lower jacking block (108), and the main pressure relief opening (109) sets
In the inside of upper jacking block (101) and positioned at the left and right ends of pressure release metallic plate (104)；
Circuit breaker cart room valve (23) is closed by valve door body (231), mechanical latching device (232), door frame (233), electromagnetism
It locks device (234) to form, the valve door body (231) is integrated with door frame (233), the left end peace of the door frame (233)
Equipped with mechanical latching device (232), the door frame (233) is set there are two being fixedly connected with electric-magnetic lock device (234) between it, described
The keying end of mechanical latching device (232) is electrically connected by connecting cable with the signal end of electric-magnetic lock device (234).
2. a kind of high pressure equipment for power transmission and distribution pressure relief system according to claim 1, it is characterised in that：The mechanical latching device
(232) the locking linkage structure of circuit breaker cart room valve (23) is formed with the electric-magnetic lock device (234).
3. a kind of high pressure equipment for power transmission and distribution pressure relief system according to claim 1, it is characterised in that：The cable vault
(14), pilot slot (16), circuit breaker cart room (24), relay control room (25), bus-bar room (27) are mutually communicated and
Installation and the internal structure of the Inner Constitution high pressure equipment for power transmission and distribution of shell (2).
4. a kind of high pressure equipment for power transmission and distribution pressure relief system according to claim 1, it is characterised in that：The shell (2)
External structure is equipped with pressure gauge (28), loose-leaf (29), door body (30), window (31).
5. a kind of high pressure equipment for power transmission and distribution pressure relief system according to claim 4, it is characterised in that：The shell (2) is logical
Cross that loose-leaf (29) and door body (30) are hinged, the door body (30) 1/3rd at installation there are three pressure gauge (28), the doors
Window (31) is installed at 2/3rds of body (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711398153.6A CN108233239A (en) | 2017-12-21 | 2017-12-21 | A kind of high pressure equipment for power transmission and distribution pressure relief system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711398153.6A CN108233239A (en) | 2017-12-21 | 2017-12-21 | A kind of high pressure equipment for power transmission and distribution pressure relief system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233239A true CN108233239A (en) | 2018-06-29 |
Family
ID=62648366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711398153.6A Withdrawn CN108233239A (en) | 2017-12-21 | 2017-12-21 | A kind of high pressure equipment for power transmission and distribution pressure relief system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108233239A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290426A (en) * | 2020-09-18 | 2021-01-29 | 安徽正日电气有限公司 | Armored movable alternating current metal switch equipment |
| CN113193504A (en) * | 2021-05-07 | 2021-07-30 | 吴琦 | Protective device for inflating cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201717543U (en) * | 2010-06-25 | 2011-01-19 | 江苏省电力公司泗洪县供电公司 | Improved switch cabinet |
| CN102842857A (en) * | 2011-06-20 | 2012-12-26 | 上海西门子开关有限公司 | Switch device |
| CN203504044U (en) * | 2013-09-03 | 2014-03-26 | 上海人民企业集团水泵有限公司 | Armoured central-positioned switch cabinet |
| CN104051964A (en) * | 2014-06-10 | 2014-09-17 | 国家电网公司 | GGD-type low pressure switch box top pressure relief device |
| CN206575048U (en) * | 2017-03-27 | 2017-10-20 | 江西明正智能电气有限公司 | A kind of charging cabinet operating mechanism |
-
2017
- 2017-12-21 CN CN201711398153.6A patent/CN108233239A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201717543U (en) * | 2010-06-25 | 2011-01-19 | 江苏省电力公司泗洪县供电公司 | Improved switch cabinet |
| CN102842857A (en) * | 2011-06-20 | 2012-12-26 | 上海西门子开关有限公司 | Switch device |
| CN203504044U (en) * | 2013-09-03 | 2014-03-26 | 上海人民企业集团水泵有限公司 | Armoured central-positioned switch cabinet |
| CN104051964A (en) * | 2014-06-10 | 2014-09-17 | 国家电网公司 | GGD-type low pressure switch box top pressure relief device |
| CN206575048U (en) * | 2017-03-27 | 2017-10-20 | 江西明正智能电气有限公司 | A kind of charging cabinet operating mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290426A (en) * | 2020-09-18 | 2021-01-29 | 安徽正日电气有限公司 | Armored movable alternating current metal switch equipment |
| CN113193504A (en) * | 2021-05-07 | 2021-07-30 | 吴琦 | Protective device for inflating cabinet |
| CN113193504B (en) * | 2021-05-07 | 2022-12-06 | 大唐洛阳首阳山发电有限责任公司 | Protective device for inflating cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180629 |