CN208589389U - A kind of environment-friendly type on-pole switch - Google Patents

Abstract

The utility model provides a kind of environment-friendly type on-pole switch characterized by comprising shell, explosion-proof bottom cover, sealing element；The shell is in the cavity of underface opening, and the top two sides of the shell are equipped with for penetrating the first hole of entrance bushing, being pierced by the second hole of outlet casing tube；Environmentally friendly stabilizing gas is packaged in the cavity；The explosion-proof bottom cover is set to the underface opening of the shell；Sealing element is set between the explosion-proof bottom cover and the shell.Explosion-proof bottom cover by the way of being set to the underface of shell of on-pole switch by the utility model, reducing on-pole switch, wind day matches in nature, it may make the risk of the sealing element aging between explosion-proof bottom cover and shell, and using environmentally friendly stabilizing gas, the oxidation of sealing element can be reduced, so as to slow down the material aging program of sealing structure, the failure malfunction generated because of seal aging is reduced.

Description

A kind of environment-friendly type on-pole switch

Technical field

The utility model relates to high-voltage appliance switch field, in particular to a kind of environment-friendly type on-pole switch.

Background technique

It deepens continuously with the development of power distribution automation with distribution network construction improvement project, power distribution network cable run is continuous Increase.Important composition equipment of the distribution on-pole switch as overhead transmission line, undertakes switching, control and the guarantor of overhead transmission line or load The functions such as shield, the safe and reliable movement of on-pole switch are the important leverages that the types of functionality such as distribution protection control are effectively implemented.

ZW20 outdoor high-voltage vacuum breaker is voltage rating 12KV, the outdoor electricity distribution equipment of three-phase current 50HZ, installation In the responsibility boundary of overhead distribution, then the front end of subscriber's drop, it will cut off automatically indoor singlephase earth fault with Phase fault avoids user's circle internal fault from involving power main, it is ensured that the Electrical Safety of non-faulting user, improving electricity consumption can By property.The breaker vacuum arc-chutes arc extinguishing, SF6 gas is as dielectric, sulfur hexafluoride of the switch internal filled with zero gauge pressure Gas, not environmentally and easily leak air problem.Original switch is placed in one end using spring mechanism, and mechanism has individually, and volume is larger Installation is inconvenient, and has the hidden danger of gas leakage.

Currently, on-pole switch reliability is lower, tripping, maloperation situation happen occasionally, because structural design defect causes Switch seal material aging, machinery corrosion failure and secondary terminals row dampness short trouble malfunction also again and again occur.

Therefore, how a kind of on-pole switch is provided, the material aging program of sealing structure can be slowed down, is reduced because of sealing Aging and generate failure malfunction, be those skilled in the art's technical problem urgently to be resolved.

Utility model content

In view of this, sealing structure can be slowed down the purpose of this utility model is to provide a kind of environment-friendly type on-pole switch Material aging program, reduce the failure that generates because of seal aging and malfunction.Its concrete scheme is as follows:

A kind of environment-friendly type on-pole switch, comprising: shell, explosion-proof bottom cover, sealing element；

The shell is in the cavity of underface opening, and the top two sides of the shell are equipped with for penetrating entrance bushing One hole, the second hole for being pierced by outlet casing tube；Environmentally friendly stabilizing gas is packaged in the cavity；

The explosion-proof bottom cover is set to the underface opening of the shell；It is arranged between the explosion-proof bottom cover and the shell close Sealing.

Preferably, further includes:

It is set to the intracorporal switch operation component of the chamber, the switch operation component, comprising:

Vacuum switch tube, the closing vacuum pipe, comprising: static side conducting rod, vacuum interrupter and moved end conducting rod, it is described Vacuum interrupter is arranged between the static side conducting rod and the moved end conducting rod；

The vacuum switch tube is electrically connected by first hole, second hole with the external world.

Preferably, further includes:

Manual divide-shut brake component, the manual divide-shut brake component, comprising: moved end driving section, manual divide-shut brake handle；It is described The connection of moved end driving section and the moved end conducting rod, the manual divide-shut brake handle are connect with the moved end driving section；

The moved end driving section is set to the inside cavities, and the manual divide-shut brake handle passes through the shell side Third hole is set to the outside of the cavity；The first labyrinth seal is set between the manual divide-shut brake handle and the shell.

Preferably, further includes: the mechanical energy storage component being set to below the manual divide-shut brake component；

The mechanical energy storage component, comprising: energy-stored spring, the electric energy-stored part being connect with the energy-stored spring, manually storage Energy part, mechanical energy release member, the mechanical energy release member are connect with the moved end driving section.

Preferably,

The manual energy storage part is rocking-turn handle；

The rocking-turn handle setting is set to the outside of the cavity by the 4th hole of the shell side；

The second labyrinth seal is set between the rocking-turn handle and the shell.

Preferably,

The metal shell that the shell is integrally formed；Insulating layer is equipped on the inside of the shell.

Preferably,

The outer of the underface opening exceeds the explosion-proof bottom cover.

Preferably,

The upside of the shell is equipped with hanging ring and/or handle.

Preferably,

State sensor is equipped in the cavity, the state sensor connects with the aviation socket being set on the shell It connects.

Preferably,

The state sensor, comprising: temperature sensor and/or humidity sensor and/or primary circuit voltage sensor And/or energy storage component current sensor and/or opening and closing state sensor.

The utility model provides a kind of environment-friendly type on-pole switch characterized by comprising shell, explosion-proof bottom cover, sealing Part；The shell is in the cavity of underface opening, the top two sides of the shell be equipped with the first hole for penetrating entrance bushing, It is pierced by the second hole of outlet casing tube；Environmentally friendly stabilizing gas is packaged in the cavity；The explosion-proof bottom cover is set to the shell Underface opening；Sealing element is set between the explosion-proof bottom cover and the shell.The utility model uses, and explosion-proof bottom cover is arranged Mode in the underface of the shell of on-pole switch, reducing on-pole switch, wind day matches in nature, may make explosion-proof The risk of sealing element aging between bottom cover and shell, and using environmentally friendly stabilizing gas, the oxidation of sealing element can be reduced, from And the material aging program of sealing structure can be slowed down, reduce the failure malfunction generated because of seal aging.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is the side sectional view of environment-friendly type on-pole switch provided by a kind of specific embodiment of the utility model；

Fig. 2 is the lateral plan of environment-friendly type on-pole switch shown in FIG. 1.

Attached drawing mark is as follows:

Shell 110, explosion-proof bottom cover 120, sealing element 130, entrance bushing 111, the first hole 112, outlet casing tube 113, second Hole 114, aeration aperture 115, rocking-turn handle 116, manual divide-shut brake handle 117, aviation socket 118, hanging ring 1, handle 2, switch fortune Turn component 3, shell 4, current transformer 5, mechanical energy storage component 7, explosion-proof bottom plate 8, spindle assemblies 9, insulated pull rod 10, voltage to pass Sensor 11, Temperature Humidity Sensor 12.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2 are please referred to, Fig. 1 is environment-friendly type on-pole switch provided by a kind of specific embodiment of the utility model Side sectional view；Fig. 2 is the lateral plan of environment-friendly type on-pole switch shown in FIG. 1.

In a kind of specific embodiment of the utility model, the utility model provides a kind of environment-friendly type on-pole switch, packet It includes: shell 110, explosion-proof bottom cover 120, sealing element 130；The shell is in the cavity of underface opening, the top two of the shell Side is equipped with for penetrating the first hole 112 of entrance bushing 111, being pierced by the second hole 114 of outlet casing tube 113；Envelope in the cavity Equipped with environmentally friendly stabilizing gas；The explosion-proof bottom cover 120 is set to the underface opening of the shell 110；The explosion-proof bottom cover 120 Sealing element 130 is set between the shell 110.

Specifically, in the environment-friendly type on-pole switch, environmentally friendly stabilizing gas can use inert gas, can also use nitrogen Gas etc. is cheap and is easy to the gas of acquirement.It certainly can also include: to be set to the intracorporal switch of the chamber in the on-pole switch Operating assembly 3, the switch operation component 3, comprising: vacuum switch tube, the closing vacuum pipe, comprising: static side conducting rod, true Empty arc-chutes and moved end conducting rod, the vacuum interrupter are arranged between the static side conducting rod and the moved end conducting rod； The vacuum switch tube is electrically connected by first hole 112, second hole 114 with the external world, entrance bushing 111, lead collar Pipe 113 is connected to high-tension cable, the connection with aerial cable line.Vacuum switch tube can be used to implement the switch of the on-pole switch The function of electric current.

In order to manipulate the vacuum switch tube, can also be arranged on the on-pole switch: manual divide-shut brake component, it is described manual Division gate assembly, comprising: moved end driving section, manual divide-shut brake handle 117；The moved end driving section connection and the moved end are conductive Bar, the manual divide-shut brake handle 117 are connect with the moved end driving section；The moved end driving section is set in the cavity Side, the manual divide-shut brake handle 117 are set to the outside of the cavity by the third hole of 110 side of shell；It is described First labyrinth seal is set between manual divide-shut brake handle 117 and the shell 110.That is, the folding of vacuum switch tube Movement can be realized with manual divide-shut brake component, naturally it is also possible to realize using other components, for example, can use The mode of relay drives the movement of moved end conducting rod.Specifically, vacuum switch tube is the core component of on-pole switch, can be led to Crossing the excellent insulating properties of vacuum in managing makes after mesohigh circuitry cuts power supply blow-out and to inhibit electric current rapidly.It is made of ceramic Airtight insulation crust 110, moved end cover board, fixed end cover board, corrugated stainless steel tubing constitute airtight insulation system.9. spindle assemblies 9, Identify 10 insulated pull rods 10: the mechanical driving device of mechanism, the energy storage switched completely and breaking-closing operating；

Further, in order to enable manual divide-shut brake component can quick acting, can also be in the manual divide-shut brake group Mechanical energy storage component 7 is set below part；The mechanical energy storage component 7, comprising: energy-stored spring is connect with the energy-stored spring Electric energy-stored part, manual energy storage part, mechanical energy release member, the mechanical energy release member are connect with the moved end driving section.It utilizes The mechanical energy storage component 7 can trigger the machinery of the mechanical energy storage component 7 release storage in the starting of manual divide-shut brake component Can, so that moved end conducting rod acts in a short time.Manual divide-shut brake handle 117 uses operating stick from switch lower section, can Manual division switch.

Specifically, mechanical energy storage component 77 is set as spring operating mechanism, i.e., using spring as the mechanical of energy-storage travelling wave tube Operating mechanism, using the spring arrangement of energy storage, generated power makes switch close a floodgate while release position energy, and use is small Power exchange or manual motor energy storage, closing power is not influenced substantially by supply voltage, more stable, can not only be obtained higher Closing speed, and the operation of quick automatic reclosing can be completed.Total switching-in spring, energy-storage system, overcurrent are de- The components compositions such as device, divide-shut brake coil, manual divide-shut brake system, auxiliary beginning and energy storage instruction are detained, are installed under inside cavities Portion.

Further, in order to carry out energy storage to the mechanical energy storage component 7, manual energy storage part can be set to rocking-turn hand Handle 116；That is, mechanical energy is transmitted to spring up, naturally it is also possible to adopt by the way of the rotation of rocking-turn handle 116 With with other energy storage modes, such as energy storage can be carried out to the spring using motor.Specifically, which is arranged The outside of the cavity is set to by the 4th hole of 110 side of shell；The rocking-turn handle 116 and the shell 110 Between the second labyrinth seal is set, can further, promoted shell 110 overall sealing performance.Identify 3. manual energy storage hands Handle: operating stick is used from switch lower section, switch manual energy storage can be given；

The utility model provides a kind of environment-friendly type on-pole switch characterized by comprising shell 110, explosion-proof bottom cover 120, Sealing element 130；The shell 110 is in the cavity of underface opening, and the top two sides of the shell 110 are equipped with for penetrating inlet wire First hole 112 of casing 111, the second hole 114 for being pierced by outlet casing tube 113；Environmentally friendly stabilizing gas is packaged in the cavity；Institute State the underface opening that explosion-proof bottom cover 120 is set to the shell 110；It is arranged between the explosion-proof bottom cover 120 and the shell 110 Sealing element 130.The utility model is subtracted in such a way that explosion-proof bottom cover 120 to be set to the underface of shell 110 of on-pole switch Having lacked on-pole switch, wind day matches in nature, and the sealing element 130 between explosion-proof bottom cover 120 and shell 110 may be made old The risk of change, and using environmentally friendly stabilizing gas, the oxidation of sealing element 130 can be reduced, so as to slow down sealing structure Material aging program reduces the failure malfunction generated because of seal aging.

On the basis of above-mentioned specific embodiment, in present embodiment, further, shell 110 is limited It is fixed, in order to increase the overall tightness of shell 110, shell 110 can be set to integrally formed metal shell 110；It is described It is equipped with insulating layer on the inside of shell 110, to guarantee whole sealing, while durability, can satisfy safety utilization of electric power It is required that.The on-pole switch uses all insulation full-closed structure, and shell 110 can be integrally formed using thick 304 stainless steel plates of 3mm. On-pole switch is placed in plenum chamber by the operating mechanism (spring operating mechanism and manual operation mechanism) switched and vacuum bubbles use Integrated design is theoretical, and operation is simple and reliable.It is designed in pressure and external pressure using micro-positive pressure in gas tank, had both ensured inside absolutely Edge requires to guarantee again air tight.(design concept: the design of gas tank major loop insulation can also expire in being placed in air in gas tank immediately The various electric properties of foot, inflated with nitrogen add 110 purpose of stainless steel casing to be only to ensure that in product operational process not by external environment The influence of (such as humidity, salt fog, condensation, dust)), it is ensured that product safety is reliable in life cycle management.Shell 110 is by 3mm thickness 304 stainless steel materials are integrally formed by mold integrally stretching.

Further, in order to reduce influence of the external environment to explosion-proof bottom cover 120, can by be located at shell 110 just under The outer being just open exceeds the explosion-proof bottom cover 120.That is, cannot see that this is anti-when side is seen to the on-pole switch Quick-fried bottom cover 120, and the explosion-proof bottom cover 120 is located directly below, so sunlight or rainwater cannot directly be infected with the explosion-proof bottom Lid 120 gets on, and reduces the erosion to sealing element 130, and specifically the sealing element 130 can use rubber seal, certainly may be used Using other sealing means.Explosion-proof covering board is located at 110 bottom of shell, can adopt and be screwed.

In order to facilitate the carrying and fixation of the on-pole switch, can the upside of the shell 110 be equipped with hanging ring 1 and/or Handle 2.Certainly, the bottom of the on-pole switch, also can be set supporting leg, place in favor of stablizing.Specifically, hanging ring 1 welds Above shell 110, as hanging apparatus for product installation, fixed, carrying and lifting；The upside of handle welding and shell 110 Middle part takes the on-pole switch for manually lifting.

It is worth noting that be also provided with state sensor in the cavity, the state sensor and it is set to institute The aviation socket 118 stated on shell 110 connects.State sensor, may include: temperature sensor and/or humidity sensor and/ Or primary circuit voltage sensor 11 and/or energy storage component current sensor and/or opening and closing state sensor.And then realize column The functions such as temperature and humidity sensing, on/off switch monitor loop, tank circuit current monitoring, voltage sensor inside upper switch.Certainly, Current transformer 5 can be set, for monitoring route primary side current, outer interior installation, Integral three-phase can acquire A, B, C Three-phase and zero-sequence current；Temperature sensor, humidity sensor integrally measure sensing using Temperature Humidity Sensor 12.

In the utility model embodiment, shell 110 can be formed using integral die-cast, capping plate is placed in below main body, Sealing ring aging caused by avoiding direct sunlight, rainwater from drenching.Operating mechanism intelligence degree is lower, largely realizes only It is operation of the operating mechanism in terms of control, realizes the automation control of on-pole switch, but real-time for the failure of operating mechanism Monitor relatively fewer, be mostly that anatomy device carries out the analysis of causes after the failure occurred, lack to the status monitoring of operating mechanism and Failure predication function notifies real-time operating conditions of operating mechanism and may breaking down at once, and maintenance decision is given to provide number According to support.The utility model realizes various status information monitorings, data information in on-pole switch key position design intelligent sensing Intelligent terminal is transmitted to by aviation plug.

Further, it is also possible to different marks be arranged in the corresponding position of the shell 110, such as division mark, it is used to indicate Major loop division location status；Energy storage position instruction: display energy storage and non-energy storage position state.Certainly, also there is aeration aperture 115, it can be used for the injection of N2 gas；Aviation socket 118, secondary cable connector can use 1 37 core aviation socket；With In the data for transmitting various state sensors, the power supply of internal each secondary side device can also be realized, it is of course also possible to use its His socket realizes the transmitting of data and electric current.

In the utility model some embodiments, replace SF6 gas-insulated, labyrinth seal to operation handle because using N2 Rotary shaft be sealed, thus solve the problems, such as because SF6 gas not environmentally with hardly possible recycling and seal it is bad, while will be explosion-proof Back-plane design in the underface of on-pole switch, thus solve because sunlight irradiation and rainwater drench caused by 130 aging of sealing element Problem, and the monitoring of various states is realized in the key position of on-pole switch design intelligent sensing, reach to on-pole switch intelligence Effect.

Explosion-proof bottom cover 120 is designed in the underface of on-pole switch, operating mechanism outer handle is then drawn from 110 side of shell Out, facilitate the manual mode of operation under the state of emergency.Shell 110 is formed using integral die-cast, avoids direct sunlight, rainwater drenches Caused by 130 aging of sealing element；Operation handle (includes: rocking-turn handle 116, manual divide-shut brake hand in the utility model embodiment Handle 117) rotary shaft use labyrinth seal, it is effective that the leakproofness of Switch main body is provided；On-pole switch stablizes gas using environmental protection Body N2 replaces SF6 gas-insulated, environmental protection and the application for adapting to plateau, extremely cold area.

The key characteristic comparison such as the following table 1 of SF6 and N2, wherein GWP means Global Warming Potential, entirely Ball warms latent energy value, and global warming potential indicates that these gases keep combined influence and its suction in an atmosphere in different time Receive the opposite effect for escaping thermal infrared radiation.

Table 1

In addition, in key position design smart sensor (Temperature Humidity Sensor, on/off switch circuit prison of on-pole switch Control, tank circuit current monitoring, voltage sensor), realize various status information monitorings, the operation shape of intelligent decision on-pole switch State realizes the intelligentized control method of on-pole switch；

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

A kind of environment-friendly type on-pole switch provided by the utility model is described in detail above, it is used herein Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to manage Solve the method and its core concept of the utility model；At the same time, for those skilled in the art, according to the utility model Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as Limitations of the present invention.

The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model. Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase Consistent widest scope.

Claims (10)

1. a kind of environment-friendly type on-pole switch characterized by comprising shell, explosion-proof bottom cover, sealing element；

The shell is in the cavity of underface opening, and the top two sides of the shell are equipped with first for penetrating entrance bushing Hole, the second hole for being pierced by outlet casing tube；Environmentally friendly stabilizing gas is packaged in the cavity；

The explosion-proof bottom cover is set to the underface opening of the shell；Sealing is set between the explosion-proof bottom cover and the shell Part.

2. environment-friendly type on-pole switch according to claim 1, which is characterized in that further include:

It is set to the intracorporal switch operation component of the chamber, the switch operation component, comprising:

Vacuum switch tube, the closing vacuum pipe, comprising: static side conducting rod, vacuum interrupter and moved end conducting rod, the vacuum Arc-chutes are arranged between the static side conducting rod and the moved end conducting rod；

The vacuum switch tube is electrically connected by first hole, second hole with the external world.

3. environment-friendly type on-pole switch according to claim 2, which is characterized in that further include:

Manual divide-shut brake component, the manual divide-shut brake component, comprising: moved end driving section, manual divide-shut brake handle；The moved end Driving section connection and the moved end conducting rod, the manual divide-shut brake handle are connect with the moved end driving section；

The moved end driving section is set to the inside cavities, the third that the manual divide-shut brake handle passes through the shell side Hole is set to the outside of the cavity；The first labyrinth seal is set between the manual divide-shut brake handle and the shell.

4. according to claim environment-friendly type on-pole switch according to claim 3, which is characterized in that further include: it is set to Mechanical energy storage component below the manual divide-shut brake component；

The mechanical energy storage component, comprising: energy-stored spring, the electric energy-stored part being connect with the energy-stored spring, manual energy storage part, Mechanical energy release member, the mechanical energy release member are connect with the moved end driving section.

5. environment-friendly type on-pole switch according to claim 4, which is characterized in that

The manual energy storage part is rocking-turn handle；

The rocking-turn handle setting is set to the outside of the cavity by the 4th hole of the shell side；

The second labyrinth seal is set between the rocking-turn handle and the shell.

6. environment-friendly type on-pole switch according to claim 4, which is characterized in that

The metal shell that the shell is integrally formed；Insulating layer is equipped on the inside of the shell.

7. environment-friendly type on-pole switch according to claim 1, which is characterized in that

The outer of the underface opening exceeds the explosion-proof bottom cover.

8. environment-friendly type on-pole switch according to claim 1, which is characterized in that

The upside of the shell is equipped with hanging ring and/or handle.

9. environment-friendly type on-pole switch according to any one of claims 1 to 8, which is characterized in that

State sensor is equipped in the cavity, the state sensor is connect with the aviation socket being set on the shell.

10. environment-friendly type on-pole switch according to claim 9, which is characterized in that

The state sensor, comprising: temperature sensor and/or humidity sensor and/or primary circuit voltage sensor and/or Energy storage component current sensor and/or opening and closing state sensor.