CN110469679A - It is a kind of to overturn spool and the butterfly valve using the spool, terminal box - Google Patents
It is a kind of to overturn spool and the butterfly valve using the spool, terminal box Download PDFInfo
- Publication number
- CN110469679A CN110469679A CN201810438466.8A CN201810438466A CN110469679A CN 110469679 A CN110469679 A CN 110469679A CN 201810438466 A CN201810438466 A CN 201810438466A CN 110469679 A CN110469679 A CN 110469679A
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- China
- Prior art keywords
- overturning
- valve
- spool
- driving
- valve rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007664 blowing Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 230000009471 action Effects 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
- F16K1/487—Attaching valve members to screw-spindles by a fixing element extending in the axial direction of the spindle, e.g. a screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/50—Preventing rotation of valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
Abstract
The present invention relates to a kind of overturning spool and the butterfly valves using the spool, terminal box.Terminal box includes wiring box body, the exhaust blower for air in terminal box to be discharged is provided on wiring box body, it is additionally provided with the air draft butterfly valve for turning off or on the exhaust outlet of exhaust blower, the air draft butterfly valve includes valve pipe and overturning spool, the overturning spool includes the valve rod being sequentially arranged along axial direction and overturning valve block, the screw rod transmission structure for the driving overturning valve block rotation when valve rod is moved along axial reciprocating is equipped between valve rod and overturning valve block, overturning spool further includes the driving structure moved for driving stem along axial reciprocating.Butterfly valve in the present invention is by will use screw rod transmission structure between valve rod and overturning valve block, and the miniaturization and lightweight of butterfly valve is realized using the axially driving overall structure of small-sized driving structure progress valve rod, meet the job requirements of the lesser application scenarios in space.
Description
Technical field
The present invention relates to a kind of overturning spool and the butterfly valves using the spool, terminal box.
Background technique
Valve is as the mechanical component for being commonly used in folding in daily life, applied to the various pipes in daily life
Road.The one kind of butterfly valve as valve, mainly includes valve body, valve rod and dish plate, and butterfly valve is mainly rotated and rotating with valve rod
Dish plate realize fluid pipe road in fluid unlatching, closing and adjusting.Butterfly valve in the prior art is according to driving method master
It is divided into electric butterfly valve, Pneumatic butterfly valve, hydraulic butterfly valve and Hand-operated butterfly valve.Wherein electric butterfly valve mainly pass through Electric Actuator into
Row driving.Electric Actuator includes motor, retarder, torque stroke limiting stop, crosses torque protection mechanism, switch control box, hand
Wheel and mechanical stop limiter, more in view of the device inside Electric Actuator, the scale of construction of Electric Actuator is generally bigger, this
Prevent electric butterfly valve from being suitable for the lesser application scenarios in some application spaces well.
Summary of the invention
The purpose of the present invention is to provide a kind of overturning spools, are not applied for for solving electric butterfly valve in the prior art
The technical issues of lesser application scenarios in application space.The object of the invention is also to provide a kind of using above-mentioned overturning spool
Butterfly valve.The object of the invention is also to provide a kind of terminal boxes using above-mentioned overturning spool.
To achieve the above object, overturning spool of the invention adopts the following technical scheme that:
Technical solution 1: overturning spool includes the valve rod being sequentially arranged along axial direction and overturning valve block, is set between valve rod and overturning valve block
There is the screw rod transmission structure for the driving overturning valve block rotation when valve rod is moved along axial reciprocating, overturning spool further includes being used for
The driving structure that driving stem is moved along axial reciprocating.
Technical solution 2, on the basis of technical solution 1: driving structure includes for driving the valve rod along axial positive
Mobile driving coil, and the elastic component in coil blackout for driving stem reversing reset.
Technical solution 3, on the basis of technical solution 2: the driving coil at least there are two, each driving coil is used respectively
It is mobile in the forward direction for driving the valve rod to carry out different set distance.
Technical solution 4, on the basis of technical solution 3: overturning spool further includes for turning in the overturning valve block
Carry out the elastic locking structure of locking when corresponding setting operating position to valve rod, elastic locking structure include for the use of with
Realize the card slot and elastic bayonet lock of locking, one of setting in card slot and elastic bayonet lock is on the valve rod.
Technical solution 5, on the basis of technical solution 4: the elastic bayonet lock has for the inserted terminal with card slot grafting,
The notch of the card slot and/or the inserted terminal of elastic bayonet lock are equipped with for described in the guidance in card slot and elastic bayonet lock relative dislocation
The unlock inclined-plane that inserted terminal is deviate from from card slot.
Technical solution 6, on the basis of technical solution 1: the screw rod transmission structure includes screw rod and rotates with screw rod
The rotating member of cooperation, the screw rod are fixedly connected with one of them of rotating member with overturning valve block, another and valve rod are fixed and connected
It connects.
Technical solution 7, on the basis of technical solution 6: the rotating member is nut or c-type part.
Technical solution 8, on the basis of any one of technical solution 1-7: overturning spool further includes in overturning spool hair
For providing the returning coil of return active force to valve rod when raw stuck phenomenon.
Technical solution 9, on the basis of any one of technical solution 1-7: overturning spool further includes spool shell, described
Driving structure is fixed on spool interior of shell, and the stem guiding movement is assemblied in spool interior of shell.
Technical solution 10, on the basis of any one of technical solution 1-7: overturning spool further includes for preventing from overturning
The valve block Stop structure moved axially along valve rod occurs for valve block.
To achieve the above object, butterfly valve of the invention adopts the following technical scheme that:
Technical solution 1: butterfly valve includes valve pipe and overturning spool, and the overturning spool includes the valve rod being sequentially arranged along axial direction and turns over
Rotary valve piece is equipped with the screw rod for the driving overturning valve block rotation when valve rod is moved along axial reciprocating between valve rod and overturning valve block
Drive mechanism, overturning spool further includes the driving structure moved for driving stem along axial reciprocating.
Technical solution 2, on the basis of technical solution 1: driving structure includes for driving the valve rod along axial positive
Mobile driving coil, and the elastic component in coil blackout for driving stem reversing reset.
Technical solution 3, on the basis of technical solution 2: the driving coil at least there are two, each driving coil is used respectively
It is mobile in the forward direction for driving the valve rod to carry out different set distance.
Technical solution 4, on the basis of technical solution 3: overturning spool further includes for turning in the overturning valve block
Carry out the elastic locking structure of locking when corresponding setting operating position to valve rod, elastic locking structure include for the use of with
Realize the card slot and elastic bayonet lock of locking, one of setting in card slot and elastic bayonet lock is on the valve rod.
Technical solution 5, on the basis of technical solution 4: the elastic bayonet lock has for the inserted terminal with card slot grafting,
The notch of the card slot and/or the inserted terminal of elastic bayonet lock are equipped with for described in the guidance in card slot and elastic bayonet lock relative dislocation
The unlock inclined-plane that inserted terminal is deviate from from card slot.
Technical solution 6, on the basis of technical solution 1: the screw rod transmission structure includes screw rod and rotates with screw rod
The rotating member of cooperation, the screw rod are fixedly connected with one of them of rotating member with overturning valve block, another and valve rod are fixed and connected
It connects.
Technical solution 7, on the basis of technical solution 6: the rotating member is nut or c-type part.
Technical solution 8, on the basis of any one of technical solution 1-7: overturning spool further includes in overturning spool hair
For providing the returning coil of return active force to valve rod when raw stuck phenomenon.
Technical solution 9, on the basis of any one of technical solution 1-7: overturning spool further includes spool shell, described
Driving structure is fixed on spool interior of shell, and the stem guiding movement is assemblied in spool interior of shell.
Technical solution 10, on the basis of any one of technical solution 1-7: overturning spool further includes for preventing from overturning
The valve block Stop structure moved axially along valve rod occurs for valve block.
To achieve the above object, terminal box of the invention adopts the following technical scheme that:
Technical solution 1: terminal box includes wiring box body, and the row for air in terminal box to be discharged is provided on wiring box body
Blower is additionally provided with the air draft butterfly valve for turning off or on the exhaust outlet of exhaust blower, and the air draft butterfly valve includes valve
Pipe and overturning spool, the overturning spool include the valve rod that is sequentially arranged along axial direction and overturning valve block, valve rod and overturning valve block it
Between be equipped with for when valve rod is moved along axial reciprocating driving overturning valve block rotation screw rod transmission structure, overturning spool further include
The driving structure moved for driving stem along axial reciprocating.
The utility model has the advantages that terminal box be mainly used for transition and switching electric wire, inside be usually disposed with much for electric wire turn
Connecting terminal, copper sheet and the exposed copper wire connect, when flowing through electric current on these connecting terminals, copper sheet and copper wire, by this
Body Resistance Influence connecting terminal, copper sheet and copper wire can generate heat, and when obstructed overcurrent, connecting terminal, copper sheet and copper wire are again
It can cool down again, since the electric current of junction box is often intermittent on-off, the process of this hot and cold alternation, which will lead to, to be connect
Air in wire box is easy to generate dew point dew condensation phenomenon, and the droplet of formation is easy to be distributed in the terminals of wiring cassette interior
On son, copper sheet and exposed copper wire, and then cause wiring box internal structure creepage distance not enough to surrounding people with messenger
Body electric shock risk can also carry out failure of insulation risk to the equipment belt of application terminal box.In consideration of it, passing through the row of installation in terminal box
Wet environment inside blower docking wire box dehumidifies, but when the environment of junction box does not need to be dehumidified, by
The working environment in opposing seal is needed in the normal operation circumstances of terminal box, the exhaust outlet on exhaust blower is closed
It closes, therefore just needs that butterfly valve is installed at the exhaust outlet of exhaust blower again, butterfly valve in the prior art can not be suitable for this well
The kind lesser environment in application space.Butterfly valve in the present invention by the way that screw rod transmission structure will be used between valve rod and overturning valve block,
And the miniaturization and lightweight of butterfly valve is realized using the axially driving overall structure of small-sized driving structure progress valve rod, it meets
The job requirements of the lesser application scenarios in space.
Technical solution 2, on the basis of technical solution 1: driving structure includes for driving the valve rod along axial positive
Mobile driving coil, and the elastic component in coil blackout for driving stem reversing reset.The scale of construction of driving coil is very
It is small, and can satisfy in the case where energization the demand that driving stem is axially moved, elastic component is used in coil blackout
Valve rod is resetted, and then realizes the purpose that when not needing to be dehumidified in terminal box, exhaust outlet is closed.
Technical solution 3, on the basis of technical solution 2: the driving coil at least there are two, each driving coil is used respectively
It is mobile in the forward direction for driving the valve rod to carry out different set distance.Using the structure of a variety of driving coils, butterfly valve is met not
With the demand of opening degree, the movement of different set distance, stem movement moving distance are carried out by driving coil driving stem
Difference will drive overturning valve block carry out different angle rotation, realize it is different overturning valve block different set operating positions works
It is required.
Technical solution 4, on the basis of technical solution 3: overturning spool further includes for turning in the overturning valve block
Carry out the elastic locking structure of locking when corresponding setting operating position to valve rod, elastic locking structure include for the use of with
Realize the card slot and elastic bayonet lock of locking, one of setting in card slot and elastic bayonet lock is on the valve rod.Card slot and bullet
The matching relationship of property bayonet lock is simple and convenient, and when valve rod is subjected to displacement under the driving effect of driving coil, elastic bayonet lock can be
After the stem movement length of set distance, to realize the purpose for halting the movement of valve rod in time in insertion card slot, into
And realize the purpose of overturning valve block overturning different set angle.
Technical solution 5, on the basis of technical solution 4: the elastic bayonet lock has for the inserted terminal with card slot grafting,
The notch of the card slot and/or the inserted terminal of elastic bayonet lock are equipped with for described in the guidance in card slot and elastic bayonet lock relative dislocation
The unlock inclined-plane that inserted terminal is deviate from from card slot.The unlock to card slot and elastic bayonet lock is facilitated, convenient for the reset of valve rod, unlock
Inclined-plane makes elastic bayonet lock both be able to achieve the disengaging with card slot after the opposition for applying very little.
Technical solution 6, on the basis of technical solution 1: the screw rod transmission structure includes screw rod and rotates with screw rod
The rotating member of cooperation, the screw rod are fixedly connected with one of them of rotating member with overturning valve block, another and valve rod are fixed and connected
It connects.The fit structure of screw rod and rotating member is simple, conveniently, convenient for the lightweight and miniaturization of butterfly valve.
Technical solution 7, on the basis of technical solution 6: the rotating member is nut or c-type part.
Technical solution 8, on the basis of any one of technical solution 1-7: overturning spool further includes in overturning spool hair
For providing the returning coil of return active force to valve rod when raw stuck phenomenon.Returning coil is unable to normal switching-off in overturning valve block
When, reversed active force can be applied to valve rod, to realize the purpose of valve rod return.
Technical solution 9, on the basis of any one of technical solution 1-7: overturning spool further includes spool shell, described
Driving structure is fixed on spool interior of shell, and the stem guiding movement is assemblied in spool interior of shell.The arrangement of spool shell
The overall structure for realizing overturning spool is fixed, and the commercialization for being conducive to overturn spool produces and sells.
Technical solution 10, on the basis of any one of technical solution 1-7: overturning spool further includes for preventing from overturning
The valve block Stop structure moved axially along valve rod occurs for valve block.Valve block Stop structure can be avoided valve block and valve rod followed to carry out along valve
The movement of bar axial direction, so that overturning valve block only rotates movement.
Technical solution 11, on the basis of any one of technical solution 1-7: terminal box further includes being arranged in terminal box sheet
It further include being arranged on wiring box body for opening the air inlet of air inlet fan for being filled with the air inlet fan of dry air on body
Or the air inlet butterfly valve closed.The arrangement of air inlet fan can be realized the circulation of the air-flow of junction box, facilitate in terminal box
Portion's dehumidifying.
Technical solution 12, on the basis of any one of technical solution 1-7: terminal box further includes being arranged in terminal box sheet
The heating device of heating wire box internal environment is used on body.The condensate of junction box can be heated into water steaming by heating device
Then vapour is drained on the outside of terminal box by the flowing of air-flow.
Technical solution 13, on the basis of any one of technical solution 1-7: terminal box further includes being arranged in terminal box sheet
For monitoring the environmental monitor of environment in terminal box on body.Environmental monitor can allow external staff to dock the ring inside wire box
Border constantly understands.
Detailed description of the invention
Fig. 1 is the junction box structure schematic diagram of the embodiment 1 of terminal box of the present invention；
Fig. 2 is the cross-sectional view of terminal box in Fig. 1；
Fig. 3 is right view in Fig. 2；
Fig. 4 is the terminal box side view of the embodiment 1 of terminal box of the present invention；
Fig. 5 is the perspective view of the overturning spool of the embodiment 1 of terminal box of the present invention；
Fig. 6 is the cross-sectional view of the overturning spool of the embodiment 1 of terminal box of the present invention；
Fig. 7 is the elastic bayonet lock schematic diagram of the overturning spool of the embodiment 1 of terminal box of the present invention；
Fig. 8 is the schematic diagram of internal structure of the overturning spool of the embodiment 1 of terminal box of the present invention；
Fig. 9 is the perspective view of the overturning spool of the embodiment 1 of terminal box of the present invention；
In figure: 1- coil control interface, 2- returning coil, 3- elastic bayonet lock, 4- reset spring, 5-C type part, 6- screw rod, 7- are turned over
Rotary valve piece, 8-90 ° of aperture coil, 9-45 ° of aperture coil, 10- blowing machine, 11- Temperature Humidity Sensor socket, 12- blower and butterfly
Valve socket, 13- air inlet fan, 14-PTC heater, 15- high-voltage wiring harness waterproof locking head, 16-OT connecting terminal, 17-PTC heating
Device socket, 18- Temperature Humidity Sensor probe, 19- valve rod, 20- card slot, 21- spool shell.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of terminal box of the invention:
As shown in Fig. 1 ~ 9, terminal box includes wiring box body, and environmental monitor is provided on wiring box body, air inlet fan 13, is gone out
Blower 10, butterfly valve and heating device.Environmental monitor is for monitoring the warm and humid of temperature and humidity in terminal box in the present invention
Sensor is spent, Temperature Humidity Sensor includes Temperature Humidity Sensor socket 11 and Temperature Humidity Sensor probe 18, heating device PTC
Heater 14.Intelligent controller is additionally provided on the outside of wiring box body, intelligent controller is for receiving Temperature Humidity Sensor hair
Monitoring signals out, and the monitoring signals issued to Temperature Humidity Sensor judge, if needing to dock wire box internal environment
It dehumidifies, intelligent controller meeting foundation issues different command signals to the judging result of monitoring signals.Air inlet fan 13 is used for
It is filled with gas to junction box, exhaust blower is for gas in terminal box to be discharged.When air inlet fan 13 and exhaust blower operate, connecing
The air-flow of flowing is formed inside wire box, the higher gas of junction box humidity can be discharged for air-flow.Heating device is mainly connecing
Wire box interior humidity is opened when larger, and since humidity is big, condensate is readily formed in terminal box, the side flowed only by air-flow
Formula is not easy condensate terminal box is discharged, and condensate is become water vapour by the heating of heating device, then passes through the gas of flowing
Stream discharge terminal box.Butterfly valve mainly acts on air inlet and exhaust outlet in terminal box, when junction box environmental drying not
When being dehumidified, butterfly valve by terminal box air inlet and exhaust outlet close with by junction box environment and external
Environment is isolated, and outside air and dust is avoided to enter junction box, when junction box is dehumidified, butterfly valve
Different degrees of unlatching is carried out according to the different instruction signal that intelligent controller issues, when junction box environment only needs to open
When air inlet fan 13 and exhaust blower carry out air flow dehumidifying, the degree that butterfly valve is opened is smaller；When junction box environment needs to lead to
When crossing heating devices heat could dehumidify, butterfly valve is fully opened, and there are two the butterfly valves in the present embodiment, is respectively corresponded to be mounted on and is connect
The position of wire box upper air inlet and exhaust outlet, being mounted on air inlet is air inlet butterfly valve, and being mounted on is air draft at exhaust outlet
Butterfly valve.
The outside of terminal box is arranged in intelligent controller in the present embodiment, and intelligent controller is programmed using 51 single-chip microcontrollers
Design and the printing of PCB printed circuit board exploitation.The command signal for starting relevant device that intelligent controller issues has
Two kinds, one of which (refers generally to relative humidity in terminal box and is greater than 70%, less than 90% when junction box ambient humidity is smaller
When), for opening air inlet fan 13, blowing machine 10 and butterfly valve, the unlatching amplitude of butterfly valve is smaller at this time, air inlet fan 13, blowing machine
10 revolving speed is the half of full speed；Another command signal (refers generally to wiring when junction box ambient humidity is larger
When relative humidity is greater than 90% in box), for opening air inlet fan 13, blowing machine 10, heating device and butterfly valve, at this time at butterfly valve
In fully opening, air inlet fan 13, blowing machine 10 are full-speed operation.Intelligent controller is powered by the on-vehicle battery of new-energy automobile,
It is provided on the circuit powered to intelligent controller steady to provide ripple to intelligent controller for interference noise in filter current
The DC filter of fixed direct current, it should be noted that the voltage powered in the present embodiment to intelligent controller is 24V.Intelligence
Be also connected with acoustic-optic alarm on controller, acoustic-optic alarm include buzzer and in driver's cabin instrument show
The CAN communication acquisition system of temperature and humidity situation in terminal box.Buzzer is used to remind the humidity of junction box to driver
Concrete condition, when relative humidity is smaller in terminal box, buzzer open half the sound and brightness, work as terminal box
When interior relative humidity is larger, the sound of buzzer and brightness are fully opened.
Heating device in the present embodiment uses ptc heater 14, and there are two ptc heaters 14, two ptc heaters 14
It is arranged in terminal box and is arranged along two medial surfaces of terminal box Relative distribution, junction box is disposed with OT and connects
Line terminals 16, the corresponding high-voltage wiring harness waterproof locking head 15 of each OT connecting terminal 16, two ptc heaters 14 are respectively arranged
Position between corresponding OT connecting terminal 16 and terminal box inner wall.Ptc heater socket is connected on ptc heater 14
17。
Butterfly valve includes overturning spool and valve pipe, and the valve pipe in the present embodiment is to be arranged in terminal box for junction box sky
Intake stack that gas is exchanged with terminal box outside air, wind pipe, intake stack constitute air inlet, and wind pipe constitutes air draft
Mouthful.The overturning spool of the present embodiment includes spool shell 21, overturning valve block 7, coil control interface 1, returning coil 2, elastic card
Pin 3, elastic component, valve rod 19 and driving coil, the driving coil in the present embodiment include 45 ° of aperture coils 9 and 90 ° of apertures
Coil 8.Overturning valve block 7 be mainly used for by terminal box air inlet and air outlet blocked and opened.45 ° of aperture coils 9
For realizing 45 ° of half-open apertures of overturning valve block 7 when junction box humidity is smaller, 90 ° of aperture coils 8 are used in terminal box
90 ° of standard-sized sheet apertures of overturning valve block 7 are realized when interior humidity is larger.Coil control interface 1 is used for returning coil 2 and driving line
Circle provides electric current.It is sequentially connected between valve rod 19 and overturning valve block 7 by screw rod transmission structure, transmission connecting structure includes screw rod
6 and the rotating member that is rotatably assorted with screw rod 6, rotating member is the c-type part 5 that section is c-type in the present embodiment.Overturn valve block 7
One end is fixedly connected with a connecting rod, and screw rod 6 is connected to the end of connecting rod, and c-type part 5 is connected to the end of valve rod 19, c-type
The opening sleeve of part 5 is on screw rod 6, when valve rod 19 takes place along the axial forward direction movement of valve rod 19 under the action of driving coil
(forward direction is mobile to refer to that the movement far from overturning valve block 7 occurs for valve rod 19), the forward direction of valve rod 19 is mobile in screw rod 6 and c-type part 5
Under the action of can be converted into overturning hair piece rotation.
45 ° of aperture coils, 9,90 ° of aperture coils 8, valve rod 19, elastic component are arranged in the inside of spool shell 21, and 45 ° are opened
Degree 9,90 ° of aperture coils 8 of coil are fixed in the coil annular groove of spool shell 21, and the guiding of valve rod 19 is assemblied in spool shell 21
Interior, valve rod 19 can move back and forth along the axial direction of valve rod 19.Elastic component is reset spring 4, and reset spring 4 is set in valve
On bar 19, the side of reset spring 4 carries out block by spool shell 21, and the other side of reset spring 4 is carried out by c-type part 5
Block.
The inside of spool shell 21 there also is provided elastic locking structure, and elastic locking structure is used to occur positive movement
Valve rod 19 carries out locking, to limit the positive-displacement that set distance occurs for the valve rod 19 under driving coil effect, passes through control valve
The positive-displacement of bar 19 achievees the purpose that different rotary angle occurs for control overturning valve block 7, and then reaches and realize butterfly valve difference journey
The unlatching of degree.Elastic locking structure includes card slot 20 and elastic bayonet lock 3, and elastic locking structure further includes one section in the present embodiment
The axle sleeve being set on valve rod 19, elastic bayonet lock 3 are fixed on axle sleeve, and bayonet lock is arranged at the outer peripheral surface of valve rod 19, due to this
Driving coil in embodiment includes 45 ° of aperture coil 9 and 90 ° aperture coils 8, the elastic locking corresponding to different driving coil
Structure also has two sets, and a set of valve rod 19 for the driving of 45 ° of aperture coils 9 of locking moves, another set of to be used for 90 ° of aperture lines of locking
The valve rod 19 of 8 driving of circle moves.By taking 45 ° of aperture coils 9 drive as an example, after the axial displacement of valve rod 19 reaches set distance
(after i.e. overturning valve block 7 carries out 45 ° of rotation), at this time the card slot 20 for the driving of 45 ° of aperture coils 9 of locking on valve rod 19 with
Matched elastic bayonet lock 3 is aligned, and elastic bayonet lock 3 is inserted into card slot 20, thus by 19 locking of valve rod of movement.It is another set of to be used to lock
Only the elastic locking structure of 90 ° of aperture coils 8 driving is identical as the 19 locking principle of valve rod that above-mentioned 45 ° of aperture coils 9 drive, this
Place repeats no more.Meeting compression reseting spring 4 when due to the generation positive-displacement of valve rod 19, after the power-off of corresponding driving coil, valve
Bar 19 can come back to initial position under the action of reset spring 4, overturn valve block 7 at this time and counter-rotating occurs, to realize
Butterfly valve is closed, junction box environment is isolated with external environment.
Returning coil 2 is for realizing when overturning valve block 7 after butterfly valve powers off and the phenomenon that stuck or clamping stagnation occur, by butterfly
The returning coil 2 of valve inputs a voltage signal, and powerful magnetic force can give 19 1 reversed active forces of valve rod, valve rod 19 is pushed away
To overturning valve block 7, two bullet type bayonet locks can be popped up from corresponding card slot 20 at this time, overturn valve block 7 in screw rod transmission structure
Under transmission effect, the closing of butterfly valve at air inlet and air outlet is realized.It should be noted that in the present embodiment the socket of butterfly valve with
Blower shares a socket, i.e., blower and solenoid valve air door socket in figure.Intelligent controller is real by blower and butterfly valve socket 12
Now to the control of blower, butterfly valve.
Furthermore in order to avoid the phenomenon that being not easy unlock occur after terminal box dehumidifies in card slot 20 and elastic bayonet lock 3,
The side notch of card slot 20 towards returning coil 2 is provided with unlock inclined-plane, in this way under the action of reset spring 4, elastic bayonet lock 3
It is detached from out of card slot 20 under the guiding function on notch unlock inclined-plane.
When in use, the Temperature Humidity Sensor probe 18 being mounted in terminal box believes monitoring to terminal box in the present embodiment
Number it is transferred to intelligent controller, when humidity is smaller in the terminal box of transmitting, i.e., relative humidity is greater than 70%, less than 90% in terminal box
When, intelligent controller issues command signal to air inlet fan 13, blowing machine 10 and butterfly valve, and air inlet fan 13 and blowing machine 10 are equal at this time
The operation of half revolving speed is opened and carries out simultaneously, butterfly valve carries out the unlatching of 45 ° of unlatching amplitudes.Meanwhile intelligent controller exists
After receiving monitoring signals, command signal is issued to buzzer and CAN communication acquisition system, buzzer carries out half and rings
Degree and half brightness unlatching, CAN communication acquisition system into car steering room instrument issue instruction, and by instrument to
Driver prompts temperature and humidity situation.Gas in the terminal box quilt under the action of air flow that air inlet fan 13 and blowing machine 10 are formed
Terminal box is discharged.When the relative humidity of junction box is less than or equal to 30%, when temperature is down to 25 ° ~ 30 °, buzzer stops report
Alert, the warning of CAN communication acquisition system is synchronous to be eliminated, and air inlet fan 13, blowing machine 10 also shut down, and butterfly valve also powers off simultaneously,
The overturning valve block 7 of butterfly valve closes air outlet and air inlet under the action of internal reset spring 4.
When humidity is larger in the terminal box of transmitting, i.e., when relative humidity is greater than 90% in terminal box, intelligent controller is to air inlet
Machine 13, blowing machine 10 and butterfly valve issue command signal, and air inlet fan 13 and blowing machine 10 are opened simultaneously and carried out at full speed at this time
Operation, butterfly valve carry out the unlatching of 90 ° of unlatching amplitudes, meanwhile, intelligent controller is after receiving monitoring signals, to buzzer, PTC
Heater 14 and CAN communication acquisition system issue command signal, and buzzer carries out the unlatching of whole loudness and whole brightness,
CAN communication acquisition system instrument into car steering room issues instruction, and prompts temperature and humidity situation to driver by instrument.Wiring
Condensate in terminal box is become water vapour under the heat effect of ptc heater 14 by the gas in box, and relative humidity is biggish
Gas is excluded terminal box under the action of the air flow that air inlet fan 13 and blowing machine 10 are formed.It is opposite when junction box
Humidity is less than or equal to 30%, and when temperature is down to 25 ° ~ 30 °, buzzer stop alarm, the warning of CAN communication acquisition system, which synchronizes, to disappear
It removes, air inlet fan 13, blowing machine 10 and ptc heater 14 also shut down, and butterfly valve power-off, the overturning valve block 7 of butterfly valve is in inside
Gas vent and import are closed respectively under the action of reset spring 4 and sliding turbine.
In other embodiments: valve block is overturn in order to prevent to be moved as the movement of valve rod is generated along valve rod is axial,
It is additionally provided with valve block Stop structure on overturning spool, valve block Stop structure includes the annular groove that screw rod circumferential direction is arranged in, and further includes solid
The baffle being scheduled on spool shell, baffle are inserted into annular groove, in this way since the cooperation of the block of baffle and annular groove limits roll-over valve
Piece takes place along the displacement of valve rod axial direction, so that overturning valve block can only rotate.
In other embodiments: position can be interchanged in screw rod and c-type part, and c-type part is fixed on roll-over valve on piece, and screw rod is fixed
In one end of valve rod；C-type part also could alternatively be nut.
In other embodiments: the inserted terminal in elastic bayonet lock can be set in unlock inclined-plane, and elastic bayonet lock shows grafting
End is wedge-shaped construction.
In other embodiments: reset spring can be arranged in c-type part and overturn the position between valve block, when valve rod carries out
After positive-displacement, reset spring is in tensional state, when valve rod resets, realizes valve rod by the pulling force effect of reset spring
It resets.
In other embodiments: elastic locking structure is arranged in the outside of spool housing, such as can extend shaft length,
So that shaft length stretches out returning coil side, card slot and elastic bayonet lock are arranged on the extended segment of valve rod；In addition, elastic bayonet lock
Position can be interchanged with card slot, elastic bayonet lock is arranged on valve rod, and card slot is arranged on corresponding axle sleeve.
In other embodiments: driving coil can only arrange one, using to the size of current for flowing through driving coil
It controls to realize the opening degree different to overturning valve block.
In other embodiments: ptc heater can be positioned only at air inlet position, using the thermal current of flowing by wiring
Condensate in box is heated and is evaporated.
In other embodiments: air inlet fan and blowing machine are arranged in two lateral positions of terminal box Relative distribution, make in this way
The phenomenon that flowing for obtaining air-flow is more smooth, and air-flow is avoided to be vortexed.
In other embodiments: Temperature Humidity Sensor can be temperature sensor and humidity sensor arranged apart, temperature
The number of humidity sensor can be to be multiple, and the probe of each temperature sensor is evenly arranged on everywhere in terminal box, is avoided due to wiring
Occur in box local humidity it is larger and monitor less than the case where.
In other embodiments: valve block can be the other shapes such as rectangular.
The embodiment of butterfly valve of the invention: butterfly valve includes valve pipe and overturning spool, and overturning spool includes valve block, valve block position
In in valve pipe, the specific structure of butterfly valve is identical as the structure of butterfly valve in above-mentioned terminal box, and details are not described herein again.
The embodiment of overturning spool of the invention: the knot that spool is overturn in the specific structure and above-mentioned terminal box of spool is overturn
Structure is identical, and details are not described herein again.
Claims (10)
1. overturning spool, it is characterised in that: including the valve rod that is sequentially arranged along axial direction and overturning valve block, valve rod and overturning valve block it
Between be equipped with for when valve rod is moved along axial reciprocating driving overturning valve block rotation screw rod transmission structure, overturning spool further include
The driving structure moved for driving stem along axial reciprocating.
2. overturning spool according to claim 1, it is characterised in that: driving structure includes for driving the valve rod along axis
The driving coil mobile to forward direction, and the elastic component in coil blackout for driving stem reversing reset.
3. overturning spool according to claim 2, it is characterised in that: the driving coil at least there are two, respectively drive line
The forward direction that circle is respectively used to that the valve rod is driven to carry out different set distance is mobile.
4. overturning spool according to claim 3, it is characterised in that: further include for turning to phase in the overturning valve block
The elastic locking structure of locking is carried out when should set operating position to valve rod, elastic locking structure includes for the use of with reality
Show the card slot and elastic bayonet lock of locking, one of setting in card slot and elastic bayonet lock is on the valve rod.
5. overturning spool according to claim 4, it is characterised in that: the elastic bayonet lock have for card slot grafting
Inserted terminal, the notch of the card slot and/or the inserted terminal of elastic bayonet lock are equipped in card slot and elastic bayonet lock relative dislocation
The unlock inclined-plane for guiding the inserted terminal to deviate from from card slot.
6. overturning spool according to claim 1, it is characterised in that: the screw rod transmission structure includes screw rod and and spiral shell
The rotating member that bar is rotatably assorted, one of them of the screw rod and rotating member are fixedly connected with overturning valve block, another and valve rod
It is fixedly connected.
7. overturning spool according to claim 6, it is characterised in that: the rotating member is nut or c-type part.
8. overturning spool according to any one of claims 1-7, it is characterised in that: further include overturning spool
For providing the returning coil of return active force to valve rod when stuck phenomenon.
9. butterfly valve, including valve pipe and overturning spool, it is characterised in that: the overturning spool includes the valve rod being sequentially arranged along axial direction
With overturning valve block, it is equipped between valve rod and overturning valve block for the driving overturning valve block rotation when valve rod is moved along axial reciprocating
Screw rod transmission structure, overturning spool further includes the driving structure moved for driving stem along axial reciprocating.
10. terminal box, it is characterised in that: including wiring box body, be provided on wiring box body empty for being discharged in terminal box
The exhaust blower of gas is additionally provided with the air draft butterfly valve for turning off or on the exhaust outlet of exhaust blower, the air draft butterfly valve
Including valve pipe and overturning spool, the overturning spool includes the valve rod being sequentially arranged along axial direction and overturning valve block, valve rod and overturning
It is equipped with the screw rod transmission structure for the driving overturning valve block rotation when valve rod is moved along axial reciprocating between valve block, overturns spool
It further include the driving structure moved for driving stem along axial reciprocating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438466.8A CN110469679B (en) | 2018-05-09 | Overturning valve core and butterfly valve and junction box using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438466.8A CN110469679B (en) | 2018-05-09 | Overturning valve core and butterfly valve and junction box using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110469679A true CN110469679A (en) | 2019-11-19 |
| CN110469679B CN110469679B (en) | 2024-05-03 |
Family
ID=
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|---|---|---|---|---|
| US4024890A (en) * | 1974-05-17 | 1977-05-24 | Kuboto Tekko Kabushiki Kaisha | Rotary valve |
| JPS51119618U (en) * | 1975-03-24 | 1976-09-28 | ||
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| FR2609320A1 (en) * | 1987-01-07 | 1988-07-08 | Teves Gmbh Alfred | THREE-WAY VALVE / TWO ELECTROMAGNETICALLY CONTROLLED POSITIONS |
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