CN208157337U - A kind of prepayment breaker - Google Patents
A kind of prepayment breaker Download PDFInfo
- Publication number
- CN208157337U CN208157337U CN201820722679.9U CN201820722679U CN208157337U CN 208157337 U CN208157337 U CN 208157337U CN 201820722679 U CN201820722679 U CN 201820722679U CN 208157337 U CN208157337 U CN 208157337U
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- push rod
- handle mechanism
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Abstract
The utility model discloses a kind of prepayment breaker, including breaker module and control module, the control module is connected with breaker module, and breaker module includes handle mechanism;The control module includes base, the cover board being connect with base, driving motor in base and cover board is set, worm and gear, retarder, controller and pre-payment control line Road PCB substrate, notch is provided on the pre-payment control line Road PCB substrate, the driving motor, worm and gear, retarder is respectively arranged in corresponding notch, the controller is connect with driving motor, the output shaft of driving motor and the input terminal of retarder connect, the output end of retarder is connect with worm screw, worm and wheel engagement, the output shaft of turbine is stretched out from cover board to be connect with handle mechanism, push rod is provided with below the handle mechanism, the free end of the push rod is reverse hook type structure.Using the utility model, reduces the generation probability of electric spark, improve the performance of product.
Description
Technical field
The utility model relates to a kind of breaker, in particular to a kind of prepayment breaker.
Background technique
Prepayment breaker is a kind of breaker connecting with pre payment watthour meter, is finished and electricity charge payment when paying electricity in advance
When not in time, breaker will be switched off power supply, avoid the overdraw of electricity, and this prepayment mode largely prevents the electricity charge
Be in arrears with, the breaker mainly include execute the moving contact of switching circuit, static contact, exiting coil component and with outside
The pre-payment control circuit board of pre payment watthour meter connection.
Currently, the handle position of breaker generally divides 3 positions, an open position, two middle positions, three closing positions.
When handle position is in an intermediate position, the outlet mechanism contact of product is connected with inlet wire contact existing product, at this moment
No pressure, as loaded very greatly, is also easy to produce big electric arc, because immediate current is very big, therefore the contact of product is easy to burn out.
Utility model content
The purpose of this utility model provides a kind of prepayment breaker, improves the security performance of product.
In order to solve the problems existing in the prior art, the utility model provides a kind of prepayment breaker, which includes:
Breaker module and control module, the control module are connected with breaker module, and breaker module includes handle mechanism;It is described
Control module includes base and the cover board that connect with base, and the driving motor being arranged in base and cover board, subtracts worm and gear
Fast device, controller and pre-payment control line Road PCB substrate are provided with notch on the pre-payment control line Road PCB substrate, described
Driving motor, worm and gear, retarder are respectively arranged in corresponding notch, and the controller is connect with driving motor, driving
The output shaft of motor and the input terminal of retarder connect, and the output end of retarder is connect with worm screw, worm and wheel engagement, turbine
Output shaft stretch out from cover board and connect with handle mechanism, push rod, the freedom of the push rod are provided with below the handle mechanism
End is reverse hook type structure.
Preferably, the breaker module further includes electromagnetic system and operating system, the operating system and handle mechanism
Connection, the operating system are provided with moving contact, and the electromagnetic system is provided with static contact.
Preferably, the electromagnetic system includes:First mounting rack, magnet coil component and rear copper sheet, the magnet coil
Component is fixed on the first mounting rack, it is described after one end of copper sheet be fixedly connected with the first mounting rack, the copper sheet afterwards it is another
End is free end, and the free end is set to the lower section of mounting rack as arc piece.
Preferably, the magnet coil component includes iron core, the first spring, coil rack and push rod, and the first spring pocket exists
On the excircle of push rod, the coaxial inside for being set to iron core of push rod, the coaxial outside for being set to iron core of coil rack, coil
It is wrapped on coil rack;The connection of the end of incoming cables of coil tail end and breaker.
Preferably, the controller further includes indicator light, power circuit, voltage sampling circuit, feedback signal circuit, described
Indicator light, power circuit, voltage are connect with centralized control unit respectively using circuit and feedback signal circuit.
Preferably, the controller further includes alarm output circuit, and the alarm output circuit and centralized control unit connect
It connects.
Preferably, the power circuit includes filter circuit, rectification circuit, metal-oxide-semiconductor driving circuit, switch transformer electricity
Road, 12V output circuit, 5V output circuit, the input terminal of the filter circuit are connect with external power supply, the output end of filter circuit
It is connect with the input terminal of rectification circuit, the output end of rectification circuit is connect with the first input end of switch transformer circuit, switch
Second input terminal of transformer is connect with the output end of metal-oxide-semiconductor driving circuit, and the first output end and 12V of switch transformer export
The second output terminal of circuit connection, switch transformer is connect with 5V output circuit.
Preferably, further include peak absorbing circuit, the both ends of the peak absorbing circuit and switch transformer circuit just
The both ends connection of grade coil.
It preferably, further include surge absorbing circuit, one end of the surge absorbing circuit is connect with external input power, institute
The input terminal of the other end and filter circuit of stating surge absorbing circuit connects.
It preferably, further include transfer bar mechanism, the transfer bar mechanism includes second spring and push rod, and the one of the second spring
End is fixedly connected with the casing, and the other end of the second spring and one end of push rod are socketed, and the other end of the push rod is freely
End;The push rod is set to the lower section of handle mechanism, and the free end of the push rod is reverse hook type structure, and the reverse hook type structure exists
Handle mechanism catches on handle mechanism when shifting middle position onto from open position, the reverse hook type structure is in handle mechanism from interposition
It sets and is disengaged when shifting closing position into handle mechanism.
The handle push rod of the utility model is provided with fluking type structure, which makes breaker contact when closing a floodgate
Energy one-time-reach-place, specifically, being at this moment that push-pull rod has held handle, using when handle shifts middle position onto from open position
Line mechanism contact and inlet wire contact cannot contact conducting, when handle middle position is to closing position, the at this moment fluking type knot of push rod
Structure has disengaged handle, so that outlet mechanism contact is had inertial pressure, and contact conducting, so that the generation for reducing electric spark is several
Rate improves the performance of product.
Detailed description of the invention
Fig. 1 is a kind of schematic front view of prepayment breaker of the utility model;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is a kind of schematic diagram of prepayment breaker of the utility model;
Fig. 4 is a kind of schematic diagram of the electromagnetic system of prepayment breaker of the utility model;
Fig. 5 is a kind of schematic diagram of the operating mechanism of prepayment breaker of the utility model;
Fig. 6 is a kind of push rod schematic diagram of prepayment breaker of the utility model;
Fig. 7 is a kind of schematic diagram of the control module of prepayment breaker of the utility model;
Fig. 8 is a kind of schematic diagram of the controller of the control module of prepayment breaker of the utility model;
Fig. 9 is a kind of schematic diagram of the power circuit of prepayment breaker of the utility model;
Figure 10 is a kind of schematic diagram of the voltage sampling circuit of prepayment breaker of the utility model;
Figure 11 is a kind of voltage sampling circuit of prepayment breaker connector connected to the controller of the utility model
Schematic diagram;
Figure 12 is a kind of schematic diagram of the current sampling circuit of prepayment breaker of the utility model;
Figure 13 is a kind of current sampling circuit of prepayment breaker connector connected to the controller of the utility model
Schematic diagram.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
As shown in figures 1-13, which includes breaker module 100 and control module 200, control module 200
It is connected with breaker module 100.
Breaker module 100 includes multiple miniature circuit breaker modules, and miniature circuit breaker includes handle mechanism, electromagnetic system 5
With operating system 15, handle mechanism is connect with operating system 15.Handle mechanism is connect by connecting rod 12 with operating system 15.In hand
When handle mechanism is in "on" position, the moving contact of mechanical system 15 is contacted with the static contact of electromagnetic system 5;It is in handle mechanism
When tripped condition, the moving contact of mechanical system 15 is separated with the static contact of electromagnetic system 5.
Handle mechanism, including supporter 7, the first spring 9, handle 10, second spring 11, handle 10 is on supporting element 7, hand
The first spring 9 and second spring 11 are provided on handle 10.
Electromagnetic system 5, as shown in figure 4, including the first mounting rack 56, magnet coil component and rear copper sheet 57, magnet coil
Component is fixed on 56 on the first mounting rack, and one end 571 of rear copper sheet 57 is fixedly connected with the first mounting rack 56, rear copper sheet it is another
End is free end 573, and free end 573 is set to the lower section of the first mounting rack 56 as arc piece, the free end of rear copper sheet 57 with
Static contact 572 is provided between arc piece 573.Magnet coil component includes iron core 54, spring 55, coil rack 53 and push rod
52,55 sets of spring on the excircle of push rod 52, the coaxial inside for being set to iron core of push rod, coil rack is coaxial to be set to
The outside of iron core, coil are wrapped on coil rack;Coil tail end 51 is connect with the end of incoming cables 58 of breaker.End of incoming cables 58 includes
Screw 583, fixed frame 582 and fixing seat 581, screw 583 are mounted in fixing seat 581 by fixed frame 582.
Operating system 15, refering to what is shown in Fig. 5, including the second mounting rack 132, third mounting rack 134, spring 133, moving contact
One end of component 131 and bimetal leaf component 137, the second mounting rack 132 is connect by connecting rod with handle mechanism, the second mounting rack
132 other end is connect with third mounting rack 134, and third mounting rack 134 is connect by connector 135 with shell 1, third installation
Frame 134 is flexibly connected with moving contact component 131, and spring 133 is provided between moving contact component 131 and third mounting rack 134, is moved
Contact members 131 are connect by copper wire 136 with bimetal leaf component 137.Bimetal leaf component 137 includes connecting with arc striking piece 138
The fever tablet 1371 and bimetal leaf 1372 connect, bimetal leaf 1532 are connect with fever tablet 1371, fever tablet 1371 and breaker
Leading-out terminal 139 connect.Leading-out terminal 139 includes leading-out terminal fixing seat 1393, and leading-out terminal fixed frame 1392 and leading-out terminal are fixed
Screw 1391, wherein leading-out terminal fixed screw 1391 is threadedly coupled by fixed frame 1392 with leading-out terminal fixing seat 1393.Dynamic touching
One end 1312 of head component 131 is connect by copper wire with bimetal leaf component, and the other end of moving contact component 131 is moving contact
1311。
In addition, the prepayment breaker further includes arc quenching plate 4, arc-chutes 3 and flash barrier 2 and transfer bar mechanism, arc-chutes 3 are set
It is placed in the lower section of arc piece 573, arc quenching plate 4 is arranged close to static contact, positioned at the lower section of static contact.Flash barrier 2 is located at breaker
The lower section of the fixing seat 581 of end of incoming cables.Transfer bar mechanism includes spring 8 and push rod 6, and one end of spring 8 is fixedly connected with shell 1,
The other end of spring 8 and one end of push rod 6 are socketed, and the other end of push rod 6 is free end;Push rod is set under handle mechanism
Side, the free end of push rod are reverse hook type structure, and when handle mechanism shifts middle position onto from open position, the reverse hook type structure is hooked
It stops handle mechanism, when handle mechanism shifts closing position onto from middle position, reverse hook type structure and handle mechanism are disengaged.Push rod 6
As shown in Figure 6.
As shown in fig. 7, control module 200 includes shell 201 and the driving motor 202 being set in shell, pcb board
203, spring 204, groove 205, worm gear shaft 206, worm gear end cap 207, worm gear 208, worm screw 209, retarder 210 and electronic device
211, the output shaft of driving motor 202 is connect with the input terminal of retarder 210, and the output end of retarder 210 and worm screw 209 connect
It connects, worm screw 209 engages with worm gear 208, and the end of worm gear 208 is provided with end cap 207, and end cap 207 is provided centrally with square hole, should
Square shaft 206 is installed, square shaft 206 and square hole are interference fitted, and the other end of square shaft 206 passes through the centre bore and hand of worm gear in square hole
Handle connection.Groove 205 is fixedly connected with shell 1, and spring 204 is equipped in groove 205.Multiple electric appliances are installed on pcb board 203
Element 211, each electric elements are different according to the function that it is realized, only give the volume of one of electric elements here
Number, must not believe that there was only a kind of this electric elements on pcb board 203, but it is different that also multiple functions are construed as on pcb board
Electric elements.
When specific implementation, the driving motor 202 of controller drive worm and gear carry out rotation to fixed handle tripping and
Closure.
In addition the another side of pcb board 203 is also equipped with controller, as shown in figure 8, controller include central control unit and
Peripheral circuit, corresponding peripheral circuit may include power circuit 21, voltage sampling circuit 22, indicator light 23, warning output electricity
Road 24, feedback signal circuit 25 and pre-payment control module 26, these peripheral circuits are connect with centralized control unit respectively.
Power circuit 21 is used to provide operating voltage for controller and peripheral sample circuit, the specific reality of the power circuit
Existing circuit as shown in figure 9, include surge absorbing circuit 211, filter circuit 212, rectification circuit 213, peak absorbing circuit 214,
Switch transformer circuit 215, metal-oxide-semiconductor driving circuit 219, Voltage Feedback pressure stabilizing and short-circuit control circuit 218 and 12V output electricity
Road 216 and 5V output circuit 217.Wherein external power input is connect with the input terminal of surge absorbing circuit 211, surge absoption
The output end of circuit 211 and the input terminal of filter circuit connect, and the output end of filter circuit and the input terminal of rectification circuit connect,
The output end of rectification circuit is connect with one end of the primary coil of switch transformer circuit, switch transformer primary circuit coil
The other end is connect with metal-oxide-semiconductor driving circuit, and the both ends of switch transformer primary coil are also connected with peak absorbing circuit.Voltage is anti-
The collector of feedback pressure stabilizing and short-circuit control circuit is connect with switch transformer feedback coil, Voltage Feedback pressure stabilizing and fault control electricity
The emitter-base bandgap grading on road is connect with metal-oxide-semiconductor driving circuit.The output end of switch transformer circuit is connected separately with 12V output circuit and 5V is defeated
Circuit out.
It should be noted that surge absorbing circuit, peak absorbing circuit and Voltage Feedback pressure stabilizing in the present embodiment and short
The setting of road control circuit improves the quality of signal transmission, improves the performance of entire circuit.Therefore in the ideal case, on
Stating three circuits can not also include.
Voltage sampling circuit 22, for obtaining the voltage of input terminal, specific implementation circuit is as shown in Figure 10, and passes through Figure 11
Connector connect with controller.And current sampling circuit can be increased, by current parameters to the disconnection of breaker and
Closure is controlled.The current sampling circuit of specific implementation is as shown in figure 12, which can pass through the plugging member of Figure 13
It is connect with controller.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (10)
1. a kind of prepayment breaker, which is characterized in that including breaker module and control module, the control module and open circuit
The connection of device module, breaker module includes handle mechanism;The control module includes base and the cover board that connect with base, if
Set driving motor, worm and gear, retarder, controller and pre-payment control line Road PCB substrate in base and cover board, institute
It states and is provided with notch on pre-payment control line Road PCB substrate, the driving motor, worm and gear, retarder are respectively arranged in accordingly
Notch in, the controller is connect with driving motor, and the input terminal of the output shaft of driving motor and retarder connects, retarder
Output end connect with worm screw, worm and wheel engagement, the output shaft of turbine is stretched out from cover board to be connect with handle mechanism, the hand
Push rod is provided with below handle mechanism, the free end of the push rod is reverse hook type structure.
2. prepayment breaker according to claim 1, which is characterized in that the breaker module further includes electromagnetic system
And operating system, the operating system are connect with handle mechanism, the operating system is provided with moving contact, and the electromagnetic system is set
It is equipped with static contact.
3. prepayment breaker according to claim 2, which is characterized in that the electromagnetic system includes:First mounting rack,
Magnet coil component and rear copper sheet, the magnet coil component are fixed on the first mounting rack, it is described after copper sheet one end and the
One mounting rack is fixedly connected, and the other end of the rear copper sheet is free end, and the free end is set to mounting rack as arc piece
Lower section.
4. prepayment breaker according to claim 3, which is characterized in that the magnet coil component includes iron core,
One spring, coil rack and push rod, the first spring pocket is on the excircle of push rod, the coaxial inside for being set to iron core of push rod,
The coaxial outside for being set to iron core of coil rack, coil are wrapped on coil rack;The end of incoming cables of coil tail end and breaker
Connection.
5. prepayment breaker according to claim 1, which is characterized in that the controller further includes indicator light, power supply
Circuit, voltage sampling circuit, feedback signal circuit, the indicator light, power circuit, voltage are using circuit and feedback signal electricity
Road is connect with centralized control unit respectively.
6. prepayment breaker according to claim 1, which is characterized in that the controller further includes warning output electricity
Road, the alarm output circuit are connect with centralized control unit.
7. prepayment breaker according to claim 5, which is characterized in that the power circuit includes filter circuit, whole
Current circuit, metal-oxide-semiconductor driving circuit, switch transformer circuit, 12V output circuit, 5V output circuit, the input of the filter circuit
End is connect with external power supply, the input terminal connection of the output end of filter circuit and rectification circuit, the output end of rectification circuit with open
The first input end connection of transformer circuit is closed, the second input terminal of switch transformer and the output end of metal-oxide-semiconductor driving circuit connect
It connects, the first output end of switch transformer is connect with 12V output circuit, the second output terminal and 5V output circuit of switch transformer
Connection.
8. prepayment breaker according to claim 7, which is characterized in that it further include peak absorbing circuit, the spike
The both ends of absorbing circuit are connect with the both ends of the primary coil of switch transformer circuit.
9. prepayment breaker according to claim 7, which is characterized in that it further include surge absorbing circuit, the surge
One end of absorbing circuit is connect with external input power, and the other end of the surge absorbing circuit and the input terminal of filter circuit connect
It connects.
10. prepayment breaker according to claim 1 to 9, which is characterized in that it further include transfer bar mechanism, institute
Stating transfer bar mechanism includes second spring and push rod, and one end of the second spring is fixedly connected with the casing, the second spring
The socket of one end of the other end and push rod, the other end of the push rod are free end;The push rod is set to the lower section of handle mechanism,
The free end of the push rod is reverse hook type structure, and the reverse hook type structure is when handle mechanism shifts middle position onto from open position
Handle mechanism is caught on, the reverse hook type structure is disengaged when handle mechanism shifts closing position onto from middle position with handle mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820722679.9U CN208157337U (en) | 2018-05-15 | 2018-05-15 | A kind of prepayment breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820722679.9U CN208157337U (en) | 2018-05-15 | 2018-05-15 | A kind of prepayment breaker |
Publications (1)
Publication Number | Publication Date |
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CN208157337U true CN208157337U (en) | 2018-11-27 |
Family
ID=64390977
Family Applications (1)
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CN201820722679.9U Active CN208157337U (en) | 2018-05-15 | 2018-05-15 | A kind of prepayment breaker |
Country Status (1)
Country | Link |
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CN (1) | CN208157337U (en) |
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2018
- 2018-05-15 CN CN201820722679.9U patent/CN208157337U/en active Active
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