CN209044774U - A kind of prepaid low-voltage broken circuit control device - Google Patents
A kind of prepaid low-voltage broken circuit control device Download PDFInfo
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- CN209044774U CN209044774U CN201822075084.1U CN201822075084U CN209044774U CN 209044774 U CN209044774 U CN 209044774U CN 201822075084 U CN201822075084 U CN 201822075084U CN 209044774 U CN209044774 U CN 209044774U
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- breaker
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Abstract
The utility model discloses a kind of prepaid low-voltage broken circuit control devices, including breaker, intelligent control circuit board and pre-paying kilowatt-hour meter；Shunt release is set in the breaker, manual switch is set on the shunt release, the shunt release is connect with the relay switch in intelligent control circuit board；The intelligent control circuit board includes single-chip microcontroller, relay switch, pre-paying kilowatt-hour meter port, and single-chip microcontroller is connect by pre-paying kilowatt-hour meter port with pre-paying kilowatt-hour meter, and single-chip microcontroller controls the opening and closing of relay switch.The shunt release of breaker is connect by the utility model with intelligent control circuit board, is realized under the control of pre-paying kilowatt-hour meter signal and is automatically cut off the power the function of stopping power supply.
Description
Technical field
The utility model relates to a kind of broken circuit control devices, more particularly, to a kind of prepaid low-voltage broken circuit control device.
Background technique
Pre-paying kilowatt-hour meter, which is called, does quantitative electric energy meter, IC card kilowatt-hour meter, other than the function of measuring with common electric energy meter,
Specifically user first buys electricity, buys ability electricity consumption after electricity, does not continue to buy electricity if being finished user after electricity, automatically cut off the power stopping
Power supply.
Low-voltage circuit breaker (once claiming automatic switch) is a kind of can not only connect and disjunction normal duty electric current and overload
Electric current can also connect the device for switching with disjunction short circuit current.Low-voltage circuit breaker in addition to playing control action, also has in circuit
There are certain defencive function, such as overload, short circuit, under-voltage and earth leakage protective.Low-voltage circuit breaker, which generally all has, experiences part
It is formed with execution part, impression part receives the signal of extraneous input, and by conversion amplification and judgement, makes regular anti-
It answers, acts execution part, export corresponding instruction, realize the purpose of control.Impression part is electromagnetic mechanism, and execution part is then
It is contact system.The effect of electromagnetic mechanism is that electromagnetic energy is converted to mechanical energy, to drive execution part contact action.
Authorization Notice No. is that the Chinese patent literature of 206877941 U of CN discloses a kind of miniature circuit breaker, including open circuit
Device and shunt release, the shunt release splice the side in breaker and individually become level-one, be arranged de- in shunt opening
Operating mechanism in button device is linked by connecting shaft with the operating mechanism being arranged in breaker, is equipped with and is used in shunt release
In the terminals and shunt trip that receive setting sun F control signal, the shunt trip is electrically connected use with terminals
The instantaneous trip after the speech number when receiving the setting sun.The utility model will be used for magnetic guarantor by using the miniature circuit breaker of pin-connected panel
The magnetictrip of shield is respectively placed in the not homopolarity of miniature circuit breaker with the shunt trip for remotely controlling, and not
Electronic circuit board, the instantaneous shunted exciter tripping structure being directly electrically connected with shunt trip using terminals, to avoid are set
Electromagnetism by electronic circuit board interferes shunt release.But the breaker cannot be used for pre-payment control, it can not
Meet demand.
Authorization Notice No. is that the Chinese patent literature of 203881827 U of CN discloses a kind of single-phase pre-payment kilowatt-hour meter.It is more
Function single-phase pre-payment kilowatt-hour meter, it includes single-phase pre-payment kilowatt-hour meter and breaker, the firewire of single-phase pre-payment kilowatt-hour meter into
Mouthful end, zero curve into and outlet end be connected respectively by conducting wire is corresponding with the firewire outlet end of breaker, zero curve outlet end, breaker
Firewire input end, zero curve input end are connected with power supply；It is characterized by: shunt release is fixed with breaker, shunt release
Driving lever insertion breaker switching toggle socket in；The trip signal input terminal of shunt release is by line and single-phase pre-payment electricity
The trip signal output end for spending table is connected, and firewire input end, the zero curve input end of shunt release are corresponding and single by conducting wire respectively
The firewire outlet end of phase pre payment watthour meter, zero curve into and outlet end be connected.The kilowatt-hour meter has former single-phase pre-payment electric degree
While table function, also have the function of remote control power supply, power-off.But the utility model lacks overload, short circuit, under-voltage and leakage
The defencive functions such as electric protection.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of prepaid low-voltage open circuit
The shunt release of breaker is connect by control device with intelligent control circuit board, is realized under the control of pre-paying kilowatt-hour meter signal
Automatically cut off the power the function of stopping power supply.
In order to achieve the above objectives, the utility model uses a kind of following technical scheme: prepaid low-voltage broken circuit control device,
Including breaker, intelligent control circuit board and pre-paying kilowatt-hour meter；Shunt release, the shunted exciter tripping are set in the breaker
Manual switch is set on device, and the shunt release is connect with the relay switch in intelligent control circuit board；The intelligence control
Circuit board processed includes single-chip microcontroller, relay switch, pre-paying kilowatt-hour meter port, and single-chip microcontroller passes through pre-paying kilowatt-hour meter port and pre-payment
Ammeter connection, single-chip microcontroller control the opening and closing of relay switch.
Overcurrent trip is set in the breaker as a further improvement of the utility model,.
Thermal trip was set in the breaker as a further improvement of the utility model,
Under-voltage release is set in the breaker as a further improvement of the utility model,.
Motor-operating mechanism, the electric operating are set in the breaker as a further improvement of the utility model,
Mechanism drives the handle of breaker to rotate by inner shaft, realization switching, on motor-operating mechanism and intelligent control circuit board
Control port connection.
The beneficial effects of the utility model are:
1, the utility model has overload, short circuit and overvoltage/undervoltage defencive function, in addition also has pre-payment control function, body
The small function of product is complete, realizes that the long-range control and safety utilization of electric power of power-off and power transmission are protected using existing pre-paying kilowatt-hour meter, practicability
By force.
2, when overvoltage or under-voltage, microcontroller can pass through voltage sample and identify voltage failure, be simultaneously emitted by
Tripping instruction makes circuit breaker tripping.
3, when overload or short circuit occur for protected circuit, the main circuit switch contact in breaker can thread off automatically,
It cuts off the power, to play the role of overload or short-circuit protection.
4, the division that breaker is controlled by the variation of control signal wire level operates, motor-operating mechanism band when tripping
Rapid-releasing is realized in fixed handle rotation；Motor rotation is realized by inner shaft band fixed handle rotation and is closed a floodgate when closing operation.
5, the expense control function of this breaker is realized by the pre-payment control function of ammeter, pre- without in addition configuration
Payment module makes full use of existing resource.
6, the control terminal of pre-paying kilowatt-hour meter exports 220V high level in normal condition, in arrearage state output 0V low level.
Ammeter output end is connect with intelligent control circuit board, and intelligent control circuit board receives the signal that ammeter output is in high level,
Then single-chip microcontroller exports cut-off signal to relay switch, and relay remains off, and shunt release does not work, at breaker
In "on" position, power supply is normal.When ammeter arrearage exports low level control signal, single-chip microcontroller then Xiang Ji to intelligent control circuit board
Electric switch persistently exports pulse closure signal, relay closure, and shunt release is connected, the instantaneous disconnecting circuit of breaker, after
Electric switch is interrupted open and close under the control of pulse closure signal, until subscriber payment, it is defeated that ammeter is in normal condition
Out when 220V high level signal, single-chip microcontroller control relay switch is remained off.Due to single-chip microcontroller during ammeter arrearage
Pulse closure signal is persistently exported to relay switch, even if user carries out closing operation to breaker by force, breaker also can
It is automatic again to disconnect, prevent stealing.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the utility model embodiment.
Appended drawing reference: 1- breaker, 2- intelligent control circuit board, 3- ammeter, 4- shunt release, 5- manual switch, 6-
Single-chip microcontroller, 7- relay switch, 8- current release, 9- cross thermal trip, 10- under-voltage release.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
As shown in Figure 1, a kind of prepaid low-voltage broken circuit control device, including breaker 1, intelligent control circuit board 2 and pre-
Payment ammeter 3；The breaker 1 is installed vertically in distribution box using TH35-7.5 fashioned iron mounting rail, setting point in breaker 1
Encourage buckle releaser 4, manual switch 5 be set on the shunt release 4, the shunt release 4 in intelligent control circuit board 2
Relay switch 7 connect；The intelligent control circuit board 2 includes single-chip microcontroller 6, relay switch 7,3 port of pre-paying kilowatt-hour meter,
Single-chip microcontroller 6 is connect by 3 port of pre-paying kilowatt-hour meter with pre-paying kilowatt-hour meter 3, and single-chip microcontroller 6 controls the opening and closing of relay switch 7.
The expense control function of this breaker 1 is realized by the pre-payment control function of ammeter 3, pre- without in addition configuration
Payment module makes full use of existing resource.The control terminal of pre-paying kilowatt-hour meter 3 exports 220V high level in normal condition, in arrearage
State output 0V low level.3 output end of ammeter is connect with intelligent control circuit board 2, and intelligent control circuit board 2 receives ammeter 3
The signal of signal of the output in high level, then single-chip microcontroller 6 exports cut-off signal to relay switch 7, and relay remains open
State, shunt release 4 do not work, and breaker 1 is in "on" position, and power supply is normal.When 3 arrearage of ammeter is to intelligent control circuit
Plate 2 exports low level control signal, and single-chip microcontroller 6 then persistently exports pulse closure signal to relay switch 7, and relay is closed,
Shunt release 4 is connected, and the instantaneous disconnecting circuit of breaker 1, relay switch 7 is interrupted closure under the control of pulse closure signal
And disconnection, until subscriber payment, when ammeter 3 is in normal condition output 220V high level signal, single-chip microcontroller 6 controls relay and opens
7 are closed to remain off.Pulse closure signal is persistently exported to relay switch 7 due to single-chip microcontroller 6 during 3 arrearage of ammeter,
Even if user carries out closing operation to breaker 1 by force, breaker 1 can also disconnect automatically again, prevent stealing.
Overcurrent trip 8 is set in the breaker 1, crosses thermal trip 9 and under-voltage release 10.Overcurrent protection
It is a kind of common protection applied on secondary circuit, line is reached by relay using Current Transformer Secondary induced current
The protective effect of road, motor, transformer etc..Cross thermal trip circuit occur short circuit when insantaneous break circuit, protection circuit and
Electrical equipment is not damaged further.Under-voltage release is to be down to the 70% to 35% of rated operational voltage in its end voltage
In range, under-voltage release running avoids electrical appliance from damaging because voltage fluctuation is excessive.Under-voltage release is in power supply electricity
When pressure is equal to the 35% of buckle releaser rated operational voltage, circuit breaker closing can be prevented complete；Supply voltage is equal to or more than 85% and owes electricity
When pressing the rated operational voltage of buckle releaser, under the conditions of hot, guarantee that breaker is reliably closed.
The utility model has overload, short circuit and overvoltage/undervoltage defencive function, in addition also has pre-payment control function, volume
Small function is complete, realizes that the long-range control and safety utilization of electric power of power-off and power transmission are protected using existing pre-paying kilowatt-hour meter 3, practicability
By force.
When overvoltage or under-voltage, microcontroller can pass through voltage sample and identify voltage failure, be simultaneously emitted by de-
Button instruction makes breaker 1 thread off, the main circuit switch contact energy when overload or short circuit occur for protected circuit, in breaker 1
It is enough to thread off, cut off the power automatically, to play the role of overload or short-circuit protection.
Embodiment two
The structure of the present embodiment and embodiment one is essentially identical, and difference is: electric operating machine being arranged in breaker 1
Structure, the motor-operating mechanism drive the handle of breaker 1 to rotate, realize switching, motor-operating mechanism and intelligence by inner shaft
It can control the control port connection on circuit board 2.
Motor-operating mechanism includes motor and the drive rod with motor shaft linkage, and axis hole is arranged in handle inner, drive rod
One end is fixed in the axis hole of handle inner, and drive rod and handle rotate synchronously.
Single-chip microcontroller in intelligent control circuit board receives pre-paying kilowatt-hour meter and is transmitted by the variation of control signal wire level
Divide-shut brake instruction, this instruction is transferred to motor-operating mechanism after interpreting by single-chip microcontroller, and then controls the division behaviour of breaker 1
Make.Rapid-releasing is realized in the fixed handle rotation of motor-operating mechanism band when tripping；Motor rotation is driven by inner shaft when closing operation
Handle rotation, which is realized, closes a floodgate.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of prepaid low-voltage broken circuit control device, it is characterised in that: including breaker, intelligent control circuit board and pre-payment
Ammeter；
Shunt release is set in the breaker, manual switch is set on the shunt release, the shunt release with
Relay switch connection in intelligent control circuit board；
The intelligent control circuit board includes single-chip microcontroller, relay switch, pre-paying kilowatt-hour meter port, and single-chip microcontroller is power-consuming by prepaying
Table port is connect with pre-paying kilowatt-hour meter, and single-chip microcontroller controls the opening and closing of relay switch, and the intelligent control circuit board setting is disconnected
Road device enclosure interior.
2. a kind of prepaid low-voltage broken circuit control device according to claim 1, it is characterised in that: set in the breaker
Set overcurrent trip.
3. a kind of prepaid low-voltage broken circuit control device according to claim 1, it is characterised in that: set in the breaker
Set thermal trip.
4. a kind of prepaid low-voltage broken circuit control device according to claim 1, it is characterised in that: set in the breaker
Set under-voltage release.
5. a kind of prepaid low-voltage broken circuit control device according to claim 1, it is characterised in that: set in the breaker
Motor-operating mechanism is set, the motor-operating mechanism drives the handle of breaker to rotate, realizes switching, electronic behaviour by inner shaft
Make mechanism to connect with the control port in intelligent control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822075084.1U CN209044774U (en) | 2018-12-11 | 2018-12-11 | A kind of prepaid low-voltage broken circuit control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822075084.1U CN209044774U (en) | 2018-12-11 | 2018-12-11 | A kind of prepaid low-voltage broken circuit control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209044774U true CN209044774U (en) | 2019-06-28 |
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ID=67044241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822075084.1U Active CN209044774U (en) | 2018-12-11 | 2018-12-11 | A kind of prepaid low-voltage broken circuit control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209044774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110363922A (en) * | 2019-08-12 | 2019-10-22 | 国网冀北电力有限公司承德供电公司 | A kind of charging trip system and method |
| CN110600338A (en) * | 2019-10-25 | 2019-12-20 | 国网河南省电力公司濮阳供电公司 | Low-voltage intelligent charge control switch |
-
2018
- 2018-12-11 CN CN201822075084.1U patent/CN209044774U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110363922A (en) * | 2019-08-12 | 2019-10-22 | 国网冀北电力有限公司承德供电公司 | A kind of charging trip system and method |
| CN110600338A (en) * | 2019-10-25 | 2019-12-20 | 国网河南省电力公司濮阳供电公司 | Low-voltage intelligent charge control switch |
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