CN106057597A - Electric-energy-meter external circuit breaker and automatic opening and closing mechanism thereof - Google Patents
Electric-energy-meter external circuit breaker and automatic opening and closing mechanism thereof Download PDFInfo
- Publication number
- CN106057597A CN106057597A CN201610656524.5A CN201610656524A CN106057597A CN 106057597 A CN106057597 A CN 106057597A CN 201610656524 A CN201610656524 A CN 201610656524A CN 106057597 A CN106057597 A CN 106057597A
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- Prior art keywords
- helical gear
- electric energy
- energy meter
- housing
- automatic close
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
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Abstract
The invention provides an electric-energy-meter external circuit breaker and an automatic opening and closing mechanism thereof. The automatic opening and closing mechanism comprises a driving motor, a worm, a helical gear, a linkage system and an electronic circuit board, wherein the worm is driven by the driving motor and the helical gear is cooperated with the worm; the helical gear includes a first embossment whose reeling shaft is rotated to a set position to press a tripping needle and trigger embossments which are rotated to the set position to trigger position switches; the linkage system is linked to a contact system and the helical gear unidirectionally drives the linkage system so as to make the contact system be closed; and the electronic circuit board includes a controller controlling motion of the automatic opening and closing mechanism and the position switches electrically connected to the controller. In the technical scheme, a transmission mode that the worm and the helical gear are cooperated in a gear cooperation mode is adopted. Compared to a wire contact mode between a worm gear and the worm in the prior art, by using the transmission mode in the invention, a helical gear structure and the worm form point contact so that a transmission frictional force is small and transmission efficiency of a transmission system and motion stability are increased. A precision requirement to a center line plane of the worm is low and processing and installation difficulty is reduced.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, relate in particular to a kind of close/open machine automatically.Present invention simultaneously relates to
A kind of external chopper of electric energy meter.
Background technology
Chopper is a kind of common low-voltage electrical apparatus, it is adaptable to overload and the short-circuit protection of circuit are used, it is also possible to just
In the case of Chang, the infrequently operation conversion as circuit is used, and is mainly used in the various fields such as industry, business, high level and residential houses
Institute.
According to the requirement of national grid, in the circuit of pre-paying kilowatt-hour meter, intelligent breaker need to be installed in the lower end of ammeter.Should
Type chopper is on the basis of possessing normal circuit breaker function, and when need to work as electric supply meter arrearage, intelligent breaker can be automatic
Open-circuit line, only after user continues to pay dues, intelligent breaker can divide-shut brake automatically, close circuit, be powered.
Chopper generally includes driving motor, drive system, contact system, tripping system and control system.Common
The drive system of the chopper use with reclosing function is bevel gear and bevel gear, and one end of bevel gear is fixed on driving electricity
On machine, the other end becomes cantilever-shaped, and axle center is unstable, affects mechanism driving efficiency.To this end, China's Authorization Notice No. is
CN102969209B patent discloses a kind of opening-closing transmission mechanism automatically, and it uses coordinating of worm and gear to replace common cone
Gear coordinates with bevel gear.Although the prior art does not has the drawback of aforesaid bevel gear and bevel gear, but still has certain
Limitation.Because worm gear and worm screw are linear contact lay, gearing friction power is big, thus causes transmission efficiency low.And prior art
High to the required precision of worm gear center line plane, improve the processing of chopper and installation difficulty and cost of manufacture.
Summary of the invention
The invention provides a kind of close/open machine automatically low to solve transmission efficiency in prior art, difficulty of processing is big,
The defect that processing cost is high.
Present invention also offers a kind of external short-circuiting device of electric energy meter low to solve transmission efficiency in prior art, difficulty of processing
Greatly, the defect that processing cost is high.
A kind of automatic close/open machine for the external chopper of electric energy meter that the present invention provides, including:
Drive motor;
Drive system, including from the motor-driven worm screw of described driving and the helical gear that coordinates with described worm screw;
Helical gear, compresses dropout pin including pivoting to setting position and makes the first projection of contact system separating brake, and,
The triggering turning to setting position trigger position switch is protruding;
Linked system, links with contact system, and linked system described in described helical gear unidirectional drive makes contact system close a floodgate;
Electronic circuit board, including controlling the controller of this automatic close/open machine action and electrically connecting with described controller
Position switch;
Position switch, including the primary importance switch that respectively corresponding closing position, initial position and trip positions are arranged, the
Two position switch and three position switch.
Optionally, described linked system includes tumbler and connects the power transmission shaft of described tumbler and contact system, institute
State tumbler and be provided with the casting lug thereon radially extended along described power transmission shaft, described helical gear is provided with and coordinates with described casting lug thereon
Promotion protruding.
Optionally, the cross section of described power transmission shaft is that three camber lines join end to end, and three angles of three camber line compositions are fillet.
Optionally, described promotion projection is arranged at the described helical gear side near described tumbler.
Optionally, described tumbler is provided with the outrigger shaft coaxial with described power transmission shaft near described helical gear side,
Described helical gear is sheathed on described outrigger shaft, rotates around described outrigger shaft axis.
Optionally, also including housing and be arranged at the tripping mechanism of described housing, described first projects through described dropout
Mechanism acts on dropout pin.
Optionally, described tripping mechanism includes the mechanism body being pivotally mounted to described housing, in described mechanism body
It is provided with the connecting hole coordinated with described dropout pin and the acting surface with described first male cooperation, described first protrusion means
Body pivoting triggers described dropout pin.
Optionally, protruding and described first projection of described promotion is same structure.
Optionally, described helical gear includes for triggering described primary importance switch and the first of described second position switch
Trigger protruding and protruding for triggering the second triggering of described three position switch.
Optionally, the first housing and the second housing, described first shell that housing, described housing include relatively fastening also are included
Body and described second housing surround formation accommodation space.
Optionally, described housing circular top has plane breach.
Optionally, described helical gear is metal structure.
Optionally, including a display lamp, identify, by open and close and flicker frequency, the status information that chopper is different.
Invention also provides a kind of external chopper of electric energy meter, including breaker body and any of the above-described technical characteristic
The automatic close/open machine for the external chopper of electric energy meter, described breaker body includes:
Contact system, including static contact and moving contact;
Tripping system, including being triggered the dropout pin of this tripping system after compressing, this tripping system controls institute after being triggered
State moving contact and described static contact separating brake.
Optionally, including the operation handle Tong Bu with linked system.
Technical solution of the present invention, has the advantage that
1. a kind of automatic close/open machine for the external chopper of electric energy meter that the present invention provides, it uses worm screw with oblique
The kind of drive that gear gear coordinates, linear contact lay between worm gear and worm screw in relatively prior art, in the technical program, due to tiltedly
Gear structure and worm screw are point cantact, thus gearing friction power is less, improve the transmission efficiency of drive system and the steady of motion
Qualitative.And this technical scheme is low to the required precision of the center line plane of worm screw, reduce processing and installation difficulty.
2. a kind of automatic close/open machine for the external chopper of electric energy meter that the present invention provides, its transmission used
Axle, relatively prior art middle section are the universal driving shafts of triangle, and in this technical scheme, universal driving shaft three camber line structure avoids triangle
The phenomenon that cross section acute angle is the biggest to matched parts concentrated stress, improves power transmission shaft and matched parts
Service life.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of electric energy meter external chopper perspective view that Fig. 1 provides for the present invention;
Fig. 2 is the automatic close/open machine perspective view of the external chopper of electric energy meter as shown in Figure 1;
Fig. 3 is the perspective view after automatic close/open machine as shown in Figure 2 removes the second housing;
Fig. 4 is that the stereochemical structure after automatic close/open machine as shown in Figure 2 removes the second housing and electronic circuit board is shown
It is intended to;
Fig. 5 is the helical gear perspective view shown in Fig. 4;
Fig. 6 is the perspective view of the tumbler shown in Fig. 4;
Fig. 7 is the perspective view after automatic close/open machine as shown in Figure 2 removes housing;
Fig. 8 is tripping mechanism perspective view as shown in Figure 7;
Fig. 9 is the stereochemical structure signal after the external chopper of electric energy meter as shown in Figure 1 removes the second housing and internals
Figure;
Figure 10 is power transmission shaft as shown in Figure 7;
Figure 11 is the perspective view of the second housing as shown in Figure 2;
Figure 12 is without time-consuming, and helical gear is in initial position, view during breaker open operation;
Figure 13 Yu Figure 12 is same state, is the view observed the other way around;
Figure 14 is for having time-consuming without expense change, and helical gear is in closing position, view during breaker closing;
Figure 15 Yu Figure 14 is same state, is the view observed the other way around;
Figure 16 is time-consuming for having, and helical gear is retracted into initial position, view when contact of breaker closes a floodgate;
Figure 17 Yu Figure 16 is same state, is the view observed the other way around;
Figure 18 is time-consuming for having, and helical gear is retracted into initial position, view during breaker open operation;
Figure 19 Yu Figure 18 is same state, is the view observed the other way around;
Figure 20 is for there being expense to become without time-consuming, and helical gear retreats to trip positions further, view during breaker open operation;
Figure 21 Yu Figure 20 is same state, is the view observed the other way around.
Description of reference numerals:
1-breaker body, 111-monolithic chopper, 13-end of incoming cables, 14-leading-out terminal, the automatic close/open machine of 2-, 3-behaviour
Make handle, 31-handle hole, 4-housing, 41-the first housing, 412-dropout hole, 413-projecting shaft, 414-the first cable-through hole, 415-
Second cable-through hole, 42-the second housing, 421-the first axis hole, 43-signal opening, 44-push button opening, 45-display lamp opening, 5-
Electronic circuit board, 51-primary importance switch, 52-second position switch, 53-three position switch, 54-push button switch, 55-refer to
Show that lamp, 56-signaling interface, 57-inlet wire zygonema, 58-outlet zygonema, 59-single-chip microcomputer, 6-drive motor, 7-metal gear to slow down
Mechanism, 71-output shaft, 8-worm screw, 9-helical gear, 91-first is protruding, 92-first triggers projection, 93-second triggers projection,
94-the first axis hole, 10-tumbler, 101-casting lug thereon, 102-outrigger shaft, 103-transmission axis hole, 11-power transmission shaft, 12-dropout machine
Structure, 121-dropout pin, 122-rotational axis hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Fig. 1 to Figure 11 shows a kind of electric energy meter external chopper embodiment that the present invention provides.
It will be seen from figure 1 that the external chopper of this electric energy meter includes breaker body 1 and automatic close/open machine 2.Its
In, breaker body 1 includes four monolithic choppers 111, and monolithic chopper 111 can be L pole, it is also possible to be N pole.Single slice
Road device 111 is provided with the operation handle 3 for user manual operation, is end of incoming cables 13, during use on the right of monolithic chopper 111
It is connected to power line;The left side is leading-out terminal 14, is connected to load during use.Herein, the monolithic chopper that breaker body 1 includes
The number of 111 can determine according to the actual requirements, four be not limited in the present embodiment.
Refer to Fig. 2, Fig. 3 and Fig. 4, automatic close/open machine 2 includes housing 4.It is provided with electronic circuit board 5 in housing 4, drives
Galvanic electricity machine 6, metal gear reducing gear 7, drive system, linked system, tripping mechanism 12, primary importance switch 51, second
Put switch 52 and three position switch 53.Wherein, drive system includes worm screw 8 and the helical gear 9 coordinated with worm screw 8, linkage system
System includes tumbler 10 and power transmission shaft 11.
As shown in Figure 4, drive motor 6 and metal gear reducing gear 7 to be arranged on housing 4, drive motor 6 main shaft and gold
The power shaft belonging to gear reduction 7 is connected.The first time realizing driving motor 6 by this metal gear reducing gear 7 slows down.
On the sheathed output shaft 71 being installed on metal gear reductor 7 of worm screw 8, worm screw 8 drives helical gear 9 pivoting.Worm screw 8 is with oblique
The second time realizing driving motor 6 that coordinates of gear 9 is slowed down.
The linear contact lay of relatively prior art worm and gear coordinates, and in the technical program, worm screw 8 and helical gear 9 are joined for point cantact
Close, so that both gearing friction power are less, improve the transmission efficiency of drive system and the stability of motion.Further, snail
The cooperation of bar 8 and helical gear 9 is relatively low to the required precision of the center line plane of worm screw 8, reduces processing and installation difficulty.
As preferred embodiment, worm screw 8 and helical gear 9 are metal structure.The plastic construction common compared with prior art,
Metal structure has a long working life, the advantage such as reliable.
Refer to Fig. 6, tumbler 10 includes casting lug thereon 101, outrigger shaft 102, transmission axis hole 103.The transmission of tumbler 10
Axis hole 103 is enclosed within power transmission shaft 11, in the handle hole 31 of the other end update handle 3 of power transmission shaft 11.Outrigger shaft 101 with turn
Moving part 10 is coaxial.Casting lug thereon 101 bearing of trend is the radial direction of tumbler 10, namely the radial direction of power transmission shaft 11.From Fig. 5
In it can be seen that helical gear 9 has second axis hole 94, the second axis hole 94 of helical gear 9 is set in the outrigger shaft of tumbler 10
On 102, one end of outrigger shaft 102 is arranged at housing 4.
Helical gear 9 is coaxial with tumbler 10, and helical gear 9 rotates around the outrigger shaft 102 of tumbler 10.Power transmission shaft 11 is simultaneously
With tumbler 10, operation handle 3 and breaker body 1 in contact system be connected, thus realize power transmission shaft 11, tumbler 10,
Operation handle 3 and the synchronous interaction of contact system.
As shown in Figure 10, the cross section of power transmission shaft 11 is made up of three camber lines, and three angles of three camber line compositions are fillets.
Power transmission shaft 11 in this technical scheme avoids triangular-section acute angle to matched the biggest the showing of parts concentrated stress
As, on the basis of ensure that connection request, improve power transmission shaft 11 and the service life of parts with matching.
As shown in Fig. 4, Fig. 5 and Fig. 7, helical gear 9 includes that the promotion being disposed in proximity to tumbler 10 side is protruding.Work as driving
When motor 6 just goes to setting position, promote projection to promote the casting lug thereon 101 of tumbler 10, make tumbler 10 rotate, make biography simultaneously
Moving axis 11 and operation handle 3 synchronous axial system, so that contact system closes a floodgate, i.e. moving contact and static contact Guan Bi.When driving motor 6
When being inverted to set angle, promote projection to compress tripping mechanism 12, make breaker body 1 thread off, so that contact system separating brake,
I.e. moving contact separates with static contact.It should be noted that, rotate and reverse herein and only show turning of certain twice rotation of parts
Dynamic in opposite direction, and do not indicate that its actual rotation direction.
Helical gear 9 also include for the first triggering protruding 92 triggering primary importance switch 51 and second position switch 52 with
And for triggering the second triggering protruding 93 of three position switch 53.(primary importance switch 51, second is switched by trigger position
Position switch 52 and the general designation of three position switch 53) single-chip microcomputer 59 feedback operation handle 3 position on electronic circuit board 5 and
Chopper deciliter status information, thus control to drive motor 5 forward, reverse or stop only.
As depicted in figs. 1 and 2, the circular top of housing 4 has plane breach, i.e. cuts one piece on the basis of round end.
It is so designed that the requirement that can reduce the external chopper of this electric energy meter to installing space.It is provided with holding wire opening 43 on housing, pushes away
Button opening 42 and display lamp opening 45.Housing 4 includes the first housing 41 and the second housing 42 relatively fastened.First housing 41 He
Second housing 42 forms accommodation space, is placed with mechanical mechanism and electronic devices and components in this accommodation space.
As shown in Fig. 1 and Fig. 9, the trip positions of the corresponding chopper of the first housing 41 has the dropout hole 412 of a moon shape,
Dropout pin 121 stretches in the accommodation space of this automatic close/open machine from this dropout hole 412.There is a cylinder on limit, dropout hole 412
The projecting shaft 413 of shape, projecting shaft 413 and an arc limit concentric in moon shape dropout hole 412.
Refer to Fig. 8 and Fig. 9, tripping mechanism 12 includes the mechanism body being pivotally mounted to housing 4, and mechanism body sets
It is equipped with rotational axis hole 122 and connecting hole.Connecting hole coordinates with the dropout pin 121 of breaker body 1.The sheathed peace of rotational axis hole 122
It is loaded on the projecting shaft 413 of the first housing 41.This mechanism body also includes and the first protruding 91 acting surface coordinated.Helical gear 9
When turning to setting position, first be arranged on helical gear 9 protruding 91 drives tripping mechanism 12 to rotate around projecting shaft 413, from
And realize the effect to dropout pin 121, and then triggering breaker body 1 is threaded off.
In the present embodiment, the first projection 91 and promotion projection are same structure.
First housing 41 is additionally provided with the first cable-through hole 414 and the second cable-through hole 415, and the first cable-through hole 414 is by welding
At the electric wire of the end of incoming cables 13 of breaker body, the second cable-through hole 415 is by being welded on the electricity of the leading-out terminal 14 of breaker body
Line.As shown in figure 11, the second housing 42 is provided with the first axis hole 421.Outrigger shaft 102 is arranged in this first axis hole 421.
As it is shown on figure 3, the corresponding closing position of electronic circuit board 5, initial position and trip positions are arranged is respectively arranged with the
One position switch 51, second position switch 52 and three position switch 53, position switch is mechanical type, and three position switch are by circle
Week arrangement, the center of circle the most dorsad, tip direction of three position switch.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 7, electronic circuit board 5 is provided with push button switch 54, and push button switch 54 is welded on electricity
On sub-wiring board 5, the push button opening 44 of the front alignment housing 4 of its push button switch 54, push button switch 54 outermost end is less than shell
The outer surface of body 4.
Electronic circuit board 5 is provided with display lamp 55, and display lamp 55 is welded on electronic circuit board 5, the instruction of alignment housing 4
Lamp opening 45;The open and close of display lamp 55 and flicker frequency identify the status information that chopper is different.
Electronic circuit board 5 is provided with signaling interface 56, and signaling interface 56 is welded on electronic circuit board 5, alignment housing
Signal opening 45.The communication of the external chopper of this electric energy meter and top level control network is realized by this signaling interface 56.
Electronic circuit board 5 is provided with three inlet wires and is finally pooled to 57, is provided with the outlet 58 of three, inlet wire 57 He simultaneously
Outlet 58 is all welded on electronic circuit board 5, the inlet wire 57 first cable-through hole 414 and the breaker body 1 by the first housing 41
The end of incoming cables 13 of each pole is connected, and outlet 58 is gone out by the second cable-through hole 415 pole each with breaker body 1 of the first housing 41
Line end 14 is connected.
Electronic circuit board 5 is provided with the controller controlling the work of automatic close/open machine, and in the present embodiment, controller is single
Sheet machine 59, the writable software instruction of single-chip microcomputer 59.
Figure 12 to Figure 21 shows the operation principle of the external chopper of electric energy meter that the present invention provides.
As shown in figure 12, the external chopper of this electric energy meter is in start original state, and expense control signal now is without expense, touches
Head system is in gate-dividing state, and tripping mechanism 12 is in chopper off-state, and the first triggering protruding 92 of helical gear 9 is in the
Two position switch 52 positions.As shown in figure 13, the first projection 91 of helical gear 9 will not hit on the casting lug thereon 101 of tumbler 10.
If now, expense control signal becomes there is expense from without expense, drives motor 6 to rotate forward, and helical gear 9 and the first projection 91 are stirred
The casting lug thereon 101 of the 10 of tumbler, moves in the direction of the clock from the home position of Figure 13, because operation handle 3, tumbler 10 are
Being linked together by power transmission shaft 11, now operation handle 3 also moves in the direction of the clock, now, and the external open circuit of electric energy meter
Device has carried out automatic closing action, finally makes moving contact and static contact Guan Bi.
As shown in figure 14, operation handle 3 is in moving contact and static contact closure state, and tripping mechanism 12 is in outside electric energy meter
Put breaker closing state.Second triggering protruding 92 of helical gear 9 is in primary importance and switchs 51 positions.As shown in figure 15, tiltedly
First projection 91 of gear 9 is still close to the casting lug thereon 101 of tumbler 10, and now primary importance switch 51 can be to single-chip microcomputer 59
Feedback information: moving contact and static contact have closed and put in place.Now, single-chip microcomputer 59 send instructions control drive motor 6 stop rotate forward.
Under this kind of state, the first of helical gear 9 protruding 91 may stop the merit such as the manual brake separating of the external chopper of electric energy meter, short circuit tripping operation
Can, thus now single-chip microcomputer 59 immediately send instructions control drive motor 6 invert, now helical gear 9 is counterclockwise from the state of Figure 15
Direction rotates, but tumbler 10 and operation handle 3 the most and then rotate, and remain on moving contact and static contact closure state.
Such as Figure 16 and Figure 17, when the first triggering protruding 92 of helical gear 9 stir the second position switch 52 time, single-chip microcomputer 59
Instruction allows driving motor 6 stopping invert, and now moving contact and static contact are Guan Bis, but does not has manual brake separating and short circuit to trip
Limit.Now user can realize divide-shut brake by controlling operation handle 3.
Figure 18 and Figure 19 is then in the case of having expense, and electric energy meter external chopper manually separating brake and short circuit are tripped
In the case of the separating brake that carries out.The position of helical gear 9 now and the state of Figure 16 and Figure 17 are identical, also with original state
Position is identical.
When the external chopper of electric energy meter receives without expense signal, single-chip microcomputer sends instruction makes driving motor 6 the most anti-
Turning, helical gear 9 presses the rotate in an anti-clockwise direction of Figure 19, and first protruding 91 clashes into tripping mechanism 12, and contact system separating brake, to helical teeth
3rd pulling block of wheel stirs three position switch 53, drives motor stalls, as shown in Figure 20 and Figure 21.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (15)
1. the automatic close/open machine for the external chopper of electric energy meter, it is characterised in that including:
Drive motor (6);
Drive system, including the worm screw (8) driven from described driving motor (6) and the helical gear coordinated with described worm screw (8)
(9);
Helical gear (9), compresses dropout pin (121) including pivoting to setting position and makes the first projection of contact system separating brake
(91), and, the triggering turning to setting position trigger position switch (51,52,53) is protruding (92,93);
Linked system, links with contact system, and linked system described in described helical gear (9) unidirectional drive makes contact system close a floodgate;
Electronic circuit board (5), including controlling the controller of this automatic close/open machine action and electrically connecting with described controller
Position switch (51,52,53);
Position switch, including primary importance switch (51) that respectively corresponding closing position, initial position and trip positions are arranged, the
Two position switch (52) and three position switch (53).
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 1, it is characterised in that: described
Linked system includes tumbler (10) and connects the power transmission shaft (11) of described tumbler (10) and contact system, described tumbler
(10) it is provided with the casting lug thereon (101) radially extended along described power transmission shaft (11), described helical gear (9) is provided with convex with described
Go out the promotion projection that block (10) coordinates.
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 2, it is characterised in that: described
The cross section of power transmission shaft (11) is that three camber lines join end to end, and three angles of three camber line compositions are fillet.
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 2, it is characterised in that: described
Projection is promoted to be arranged at the described helical gear (9) side near described tumbler (10).
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 2, it is characterised in that: described
Tumbler (10) is provided with the outrigger shaft (102) coaxial with described power transmission shaft (11) near the side of described helical gear (9), described
Helical gear (9) is sheathed on described outrigger shaft (102), rotates around described outrigger shaft (102) axis.
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 1, it is characterised in that: also wrap
Including housing (4) and be arranged at the tripping mechanism (12) of described housing (4), described first protruding (91) are by described tripping mechanism
(12) dropout pin (121) is acted on.
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 6, it is characterised in that: described
Tripping mechanism (12) includes the mechanism body being pivotally mounted to described housing (4), and described mechanism body is provided with described
Connecting hole that dropout pin (121) coordinates and the acting surface coordinated with described first protruding (91), described first protrusion means this
Body pivoting triggers described dropout pin (121).
8. according to the automatic close/open machine for the external chopper of electric energy meter described in any one of claim 1 to 7, its feature
It is: described promotion is protruding and described first protruding (91) are same structure.
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 1, it is characterised in that: described
Helical gear (9) includes the first triggering projection for triggering described primary importance switch (51) and described second position switch (52)
And to be used for triggering the second triggering of described three position switch (53) protruding (93) (92).
Automatic close/open machine for the external chopper of electric energy meter the most according to claim 1, it is characterised in that: also
Including housing (4), described housing (4) includes the first housing (41) and the second housing (42) relatively fastened, described first housing
And described second housing (42) surrounds formation accommodation space (41).
The 11. automatic close/open machines for the external chopper of electric energy meter according to claim 10, it is characterised in that: institute
State housing (4) circular top and there is plane breach.
The 12. automatic close/open machines for the external chopper of electric energy meter according to claim 1, it is characterised in that: institute
Stating helical gear is metal structure.
The 13. automatic close/open machines for the external chopper of electric energy meter according to claim 6, it is characterised in that: bag
Include a display lamp, identify, by open and close and flicker frequency, the status information that chopper is different.
14. 1 kinds of external choppers of electric energy meter, it is characterised in that: include breaker body (1) and appoint according to claim 1-13
One described automatic close/open machine for the external chopper of electric energy meter, described breaker body (1) including:
Contact system, including static contact and moving contact;
Tripping system, including being triggered the dropout pin (121) of this tripping system after compressing, this tripping system controls institute after being triggered
State moving contact and described static contact separating brake.
The 15. external choppers of electric energy meter according to claim 14, it is characterised in that: include the behaviour Tong Bu with linked system
Make handle (3).
Priority Applications (1)
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CN201610656524.5A CN106057597A (en) | 2016-08-11 | 2016-08-11 | Electric-energy-meter external circuit breaker and automatic opening and closing mechanism thereof |
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CN201610656524.5A CN106057597A (en) | 2016-08-11 | 2016-08-11 | Electric-energy-meter external circuit breaker and automatic opening and closing mechanism thereof |
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Application publication date: 20161026 |