CN105374640B - Breaker and its controller plug of hot-pluggable controller, replacing options - Google Patents
Breaker and its controller plug of hot-pluggable controller, replacing options Download PDFInfo
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- CN105374640B CN105374640B CN201510860722.9A CN201510860722A CN105374640B CN 105374640 B CN105374640 B CN 105374640B CN 201510860722 A CN201510860722 A CN 201510860722A CN 105374640 B CN105374640 B CN 105374640B
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- Prior art keywords
- controller
- breaker
- circuit
- connector block
- mode
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Classifications
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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
- H01H71/08—Terminals; Connections
Abstract
The invention discloses a kind of breaker of hot-pluggable controller.The breaker includes：Taking can circuit, voltage detecting circuit, controller, trip unit, connector block；Described to take energy circuit to be used for the major loop extraction electric energy supply controller protected from breaker, the voltage detecting circuit is used to detect the voltage of major loop, and the trip unit completes trip action for the trip signal that foundation controller is sent；Energy circuit, voltage detecting circuit, dropout drive circuit is taken to realize pluggable electrically connect via the connector block and controller；The breaker also includes being used to set controller to be in normal mode or plug the mode of operation setting unit of pattern；The controller is configured as that complete defencive function can be realized in the normal mode, and under plug pattern, its trip signal output port, which is in, can not export the blocking of trip signal.Compared with prior art, structure is simpler, and cost of implementation is lower, and security reliability is more preferable.
Description
Technical field
The present invention relates to a kind of breaker, more particularly to a kind of breaker of hot-pluggable controller, belong to low tension
Gas technical field.
Background technology
In recent years, it must be continued to develop as distribution is intelligent, the intelligence degree of low-voltage circuit breaker is also improved constantly, band intelligence
The breaker of energy controller is applied to every field more and more widely.Intelligent controller as breaker realize it is various measurement,
The core component of the functions such as protection, its importance is self-evident, therefore, in intelligent breaker During Process of Long-term Operation, needs regular
Intelligent controller is carried out comprehensively to check, safeguarded, to ensure intelligent controller reliably working.In addition, when intelligent controller goes out
When existing hydraulic performance decline or operation irregularity, it also should in time overhaul, change.At present, breaker is necessary when safeguarding, changing intelligent controller
It is initially switched off main circuit current, it is to avoid when unloading intelligent controller because misoperation causes breaker misoperation, and avoid mutual inductance
Device secondary side produces high pressure when opening a way, and causes device damage, the personal safety of entail dangers to operating personnel is gone back when serious.
Some current producers be proposed can charged for replacement controller breaker, using the plug-in connector of particular design,
Realize that controller is electrically connected with the pluggable of breaker other parts, can be controlled in the case where not cutting off main circuit current
The replacing of device.This function is realized, it is necessary to solve the problems, such as following several respects：Firstth, in the swapping process of controller, it should keep away
Exempt from controller and the trip signal of mistake is sent to separating brake executing agency, so as to cause the maloperation of separating brake executing agency, influence is led back
The normal power supply on road.Secondth, substantial amounts of intelligent breaker extracts electric energy to supply using current transformer from major loop at present
Used to controller, producing high pressure in controller swapping process, when Current Transformer Secondary side is opened a way may be to equipment
Influence is produced to personal safety, it is therefore desirable to avoid such case from producing.In addition, for some breakers, it utilizes partial pressure electricity
Resistance etc. carries out voltage sample detection with the circuit that major loop is directly contacted, and should also prevent in controller swapping process, voltage detecting
High voltage produced by circuit is to equipment or the influence of personal safety.
It is the mechanical structure by particular design when prior art solves the above problems, in controller withdrawal process,
First so that separating brake executing agency loop disconnects, then current transformer is connected with transformer protection device, finally disconnect institute
There is secondary circuit；Conversely, during inserting controller, first connecting all secondary circuits, then cause current transformer and mutual
Sensor protection device is disconnected, and last Zai Shi separating brakes executing agency loop is connected.Such scheme can no doubt realize the band of controller
Electricity is safely changed, but there is also some shortcomings.It is issuable in controller swapping process in order to prevent it was found from above-mentioned analysis
Brake separating mechanism misoperation, prior art be by being pulled out in controller, insert during, by separating brake executing agency loop off/on,
This mode is necessarily required in separating brake executing agency loop set gate-controlled switch part and corresponding connection, so,
On the one hand increased switch block and corresponding wiring can reduce the security reliability of whole circuit breaker system；On the other hand,
The increase of breaker cost and the increase in shared space can be brought.
The content of the invention
The technical problems to be solved by the invention are to overcome prior art, and not enough there is provided a kind of hot-pluggable controller
Breaker, its structure is simpler, and cost of implementation is lower, and security reliability is more preferable.
It is of the invention specific using following technical scheme solution above-mentioned technical problem：
The breaker of the hot-pluggable controller of the present invention, including：Taking can circuit, voltage detecting circuit, controller, dropout
Unit, connector block；It is described to take energy circuit to be used for the major loop extraction electric energy supply controller protected from breaker, the electricity
Pressure detection circuit detects that the trip unit is used for the dropout letter sent according to controller for the voltage to major loop
Number complete trip action；Energy circuit, voltage detecting circuit, dropout drive circuit is taken to be realized via the connector block and controller
Pluggable electrical connection；The breaker also includes being used to set mode of operation of the controller in normal mode or plug pattern to set
Put unit；The controller is configured as that complete defencive function can be realized in the normal mode, and under plug pattern, it takes off
Button signal output port, which is in, can not export the blocking of trip signal.
Further, the breaker also includes the first protection mechanism, and first protection mechanism can be complete in controller
Order takes energy circuit to be normally connected with controller in the state of insertion connector block, and non-fully inserts connector block in controller
State orders to take energy short circuit.
Further, the breaker also includes the second protection mechanism, can be in the fully-inserted connector block of controller
State order voltage detecting circuit conducting, and made in the state of controller non-fully inserts connector block voltage detecting circuit break
Road.
Preferably, the mode of operation setting unit is the man-machine interaction unit or model selection being connected with the controller
Switch.
Further, the breaker also includes alarm module, for being sent out when the controller is under plug pattern
Go out alarm signal.
As above the controller plug method of breaker described in any technical scheme, comprises the following steps：
Step 1, controller is set to by plug pattern by mode of operation setting unit；
Step 2, controller extracted from the connector block；
Step 3, controller inserted in the connector block；
Step 4, controller is set to by normal mode by mode of operation setting unit.
As above the controller replacing options of breaker described in any technical scheme, comprise the following steps：
Step 1, controller is set to by plug pattern by mode of operation setting unit；
Step 2, controller extracted from the connector block；
Step 3, new controller inserted in the connector block, the new controller is pre-set to plug pattern；
Step 4, new controller is set to by normal mode by mode of operation setting unit.
Compared with prior art, the invention has the advantages that：
The present invention realizes the hot plugging of breaker controller, it is not necessary to disconnect main circuit current, and nothing is loaded to subordinate
Influence；
The present invention is by the adjustment inside controller, issuable point from controller swapping process is solved on source
Brake mechanism misoperation, it is not necessary to increase extra switch block and corresponding wiring, therefore structure is simpler, cost of implementation is more
It is low, and security reliability is more preferable.
Brief description of the drawings
Fig. 1 is the structural representation of existing trip unit；
Fig. 2 is theory diagram of the invention；
Fig. 3 is a kind of concrete structure of breaker of the present invention；
Fig. 4 is the fit structure schematic diagram of controller and pedestal；
Fig. 5 is base construction schematic diagram；
Fig. 6 be the present embodiment in trip unit circuit theory diagrams；
Fig. 7 is the circuit theory diagrams for taking rectification circuit in energy circuit；
Fig. 8 is the setting interface that mode of operation is set by man-machine interaction unit；
Fig. 9 is the schematic diagram that mode of operation is set by DIP switch.
Each label implication is as follows in figure：
1st, controller, 2, pedestal, 3, breaker body, 4, current transformer, 11, contact component, 12, controller connection inserts
Head, 13, controller bayonet socket, 21, the socket and rectification circuit being connected with current transformer, 22, the socket being connected with controller,
23rd, pinboard, 24, normally closed microswitch, 25, voltage detecting circuit, 26, normally opened microswitch, 27, trip unit.
Embodiment
Technical scheme is described in detail below in conjunction with the accompanying drawings：
The thinking of the present invention is that the breaker for being directed to existing hot-pluggable controller is improved, and is set up in the controller
One plug pattern, controller is by the progress locking of trip signal output port in this mode, so as to prevent controller from source
Issuable electrical apparatus release misoperation in swapping process, on the one hand saves circuit components and circuit breaker internal space, another
Aspect improves security reliability.
Fig. 1 shows the basic structure of existing trip unit, as illustrated, it includes dropout drive circuit, Power convert
Circuit and the electrical apparatus release being connected with major loop.Supply, which is threaded off, after power supply output electric energy is changed through power-switching circuit drives
Circuit, when controller sends trip signal to dropout drive circuit, dropout drive circuit driving electrical apparatus release performs trip action,
So as to realize the disconnection of major loop.When plugging controller, in order to avoid electrical apparatus release misoperation in swapping process, existing skill
Art is to be realized by connecting a switch linked with swapping process in the loop of trip unit in more changer controller process
Middle execution loop of threading off is remained off, and after controller is fully-inserted, is threaded off and performed loop conducting.Using this side
Case along with corresponding wiring, on the one hand adds space-consuming, it is necessary to increase at least one switch block in trip unit
And hardware cost, on the other hand more parts and wiring also bring the reduction of reliability.
And the present invention solves the problems, such as that the general principle of electrical apparatus release misoperation is as shown in Figure 2.Except complete protection can be achieved
It is that controller sets up a plug pattern beyond the normal mode of function, the trip signal output end of controller in this mode
Mouthful it can not send trip signal in blocking, the i.e. port, and other defencive functions of controller and phase under normal mode
Together.So, as long as controller is under plug pattern in swapping process, you can ensure that trip unit will not malfunction from source
Make, and need not additionally increase any switch block and respective gut.Controller can be realized using mode of operation setting unit
The conversion of both of which is set, the man-machine interaction unit that mode of operation setting unit can be carried by controller（For example button and
Operation display interface）Set, can also be set by the mode selection switch being separately configured.
In order to prevent from taking in controller swapping process can be produced by circuit, voltage detecting circuit high pressure to equipment and the person
Safety is impacted, and the present invention further to take energy circuit and voltage detecting circuit to set protection mechanism respectively, takes energy circuit
Protection mechanism can make in the state of the fully-inserted connector block of controller takes energy circuit to be normally connected with controller, and in control
Order takes energy short circuit in the state of device non-fully inserts connector block；And the protection mechanism of voltage detecting circuit can be in controller
Make voltage detecting circuit turn in the state of fully-inserted connector block, and the state of connector block is non-fully inserted in controller
Order voltage detecting circuit open circuit.
For the ease of public understanding, come to carry out specifically technical scheme below with a preferred embodiment
It is bright.
The breaker of the present embodiment is as shown in figure 3, including connecting the breaker body 3 of major loop, being obtained from major loop
The current transformer 4 of signal and electric energy, the pedestal 2 being connected with breaker body, the intelligent controller 1 being connected with pedestal.
Intelligent controller in the present embodiment includes MCU units, display unit, mode of operation setting unit.
As shown in Figure 4, Figure 5, pedestal 2 includes being provided with pinboard 23, a trip unit 27, the pinboard 23 and electricity
Socket and rectification circuit 21, the socket 22 being connected with controller, normally closed microswitch 24, a voltage that current transformer 4 is connected
Detect circuit 25, three normally opened microswitches 26.The secondary side signal output of current transformer, rectification circuit output, list of threading off
Member is connected to the socket 22 being connected with controller, and socket 22 can be connected plug 12 with controller and realize that plug type is connected, electric current
The second energy output of transformer is connected to the socket being connected with current transformer and rectification circuit 21, and the output of rectification circuit connects
A normally closed microswitch 24 is connect, normally opened microswitch 26 is connected with voltage detecting circuit 25, the drive rod of microswitch 24,26
Contacted with the contact component 11 being fixed on intelligent controller 1.
The intelligent controller includes at least two mode of operations, and mode of operation one is regular circuit breakers intelligent controller
The normal mode of operation of normal mode, i.e. omnipotent breaker, can be achieved complete defencive function；Mode of operation two is replacing intelligence
The plug mode of operation of energy director mode, i.e. omnipotent breaker, in such a mode, intelligent controller locking trip signal is defeated
Exit port, makes it can not export trip signal driving trip unit action, prevents breaker misoperation.Mode of operation setting unit
The mode of operation of breaker can be set.
When needing to change intelligent controller, the mode of operation of intelligent controller is set to by mode of operation setting unit
Plug pattern, now plug mode indicating lamp is bright on circuit breaker intelligent controller display unit, represents at now intelligent controller
In plug mode of operation, intelligent controller can not temporarily control breaker open operation.By intelligent controller bayonet socket 13 along along breaker
Relevant position pull out, the contact component 11 of intelligent controller separates with the drive rod of normally opened microswitch 26, makes microswitch
26 inner contacts disconnect, intelligent controller and control source loop are disconnected, it is to avoid drawn during replacing intelligent controller by high pressure
The danger risen.Meanwhile, contact component 11 is separated with the normally closed drive rod of microswitch 24, closes the inner contact of microswitch 24,
By the output short-circuit of energy currents transformer, it is to avoid because open circuit makes output end produce high pressure.And then, intelligent controller connection is inserted
First 12 are kept completely separate with the connection socket 22 in pedestal, complete the process for extracting intelligent controller from breaker.
Another is in the intelligent controller of plug pattern（Then it is former intelligence as being only to carry out Inspection and maintenance to controller
Can controller）Bayonet socket 13 insert breaker along the relevant position on breaker, when intelligent controller connects socket 12 and pedestal
When interior connection socket 22 is completely attached to, the drive rod of the contact component 11 of the intelligent controller and normally opened microswitch 26 can
It is abutted against tactile, and drive rod is pressed, close the inner contact of microswitch 26, connects intelligent controller and control source loop,
Ensure monitoring of the intelligent controller to main circuit voltage.Contact component 11 can also be abutted against with the normally closed drive rod of microswitch 24 simultaneously
Touch, make the inner contact of microswitch 24 disconnect, now, intelligent controller as energy currents transformer load.So far, it is described
Intelligent controller connects plug 12 and completes to dock with the connection socket 22 in pedestal, while completing the intelligent controller with breaking
The process of road device connection.
After the intelligent controller and breaker are fully connected, the mode of operation of the intelligent controller is set to normally
Pattern, normal operation of circuit breaker.
The circuit theory of trip unit in the present embodiment is as shown in fig. 6, its operation principle is：When MCU_I/O mouthfuls of outputs
During high level, triode V1 conductings, the L1 actions of driving magnetic flow convertor；When exporting low level for MCU_I/O mouthfuls, triode V1 is cut
Only, magnetic flow convertor L1 is failure to actuate.R1 is current-limiting resistance, and R2, C1 constitute RC wave filters, and D1 is fly-wheel diode.Work as controller
It is arranged to plug mode of operation, trip signal output port is in blocking, and now MCU_I/O mouthfuls remain low electricity
Flat, triode V1 ends always, and magnetic flow convertor L1 will not be acted, so as to avoid during more changer controller because of misoperation
Cause breaker misoperation.
Taken in the present embodiment can in circuit rectification circuit circuit theory as shown in fig. 7, P1, P2, P3 respectively with A, B, C phase
The output end of energy transformer is connected, and X1~X3 is connector, and P1, P2, P3 are connected with connector X1, X2, X3 respectively, and VD1 ~
VD8 constitutes three-phase bridge rectifier circuit, connector X1 the first output end, connector X2 the first output end, connector X3
First output end is connected after linking together with diode VD1 negative pole and diode VD2 positive pole, and the second of connector X1 is defeated
Go out end to link together with diode VD3 negative poles, diode VD4 positive poles, connector X2 the second output end and diode VD5 are born
Pole, diode VD6 positive poles link together, connector X3 the second output end and diode VD7 negative poles, diode VD8 positive poles
Link together, diode VD1 positive pole, diode VD3 positive pole, diode VD5 positive pole, diode VD7 positive pole are total to
Ground, and being connected with one end of normally closed microswitch, diode VD2 negative pole, diode VD4 negative pole, diode VD6 it is negative
Pole, diode VD8 negative pole are connected after connecting jointly with the other end of normally closed microswitch..
Fig. 8 shows that the man-machine interaction unit carried by intelligent controller sets setting circle of controller mode of operation
Face.When needing to be operated pattern and setting, operational control device button makes it into mode of operation and sets interface, such as Fig. 8, when
When having square frame outside " normal mode " character, represent that now controller is in normal mode of operation；Button selection " plug is operated again
Pattern " pattern is simultaneously preserved, and now square frame is moved to outside " plug pattern " character, represents that controller is in plug mode of operation.
It can also realize that controller mode of operation is set by the mode selection switch being separately provided, as shown in figure 9, will
When DIP switch is allocated to black region, represent that now controller is in normal mode of operation；When DIP switch is allocated into white portion,
Represent that now controller is in plug mode of operation.
Claims (10)
1. the breaker of hot-pluggable controller, including：Take can circuit, voltage detecting circuit, controller, trip unit, connect
Interpolating unit part；It is described to take energy circuit to be used for the major loop extraction electric energy supply controller protected from breaker, the voltage detecting
Circuit detects that the trip signal that the trip unit is used to be sent according to controller is completed for the voltage to major loop
Trip action；Energy circuit, voltage detecting circuit, dropout drive circuit is taken to be realized via the connector block and controller pluggable
Electrical connection；Characterized in that, the breaker also includes being used to set controller to be in normal mode or plug the work of pattern
Mode setting unit；The controller is configured as that complete defencive function can be realized in the normal mode, and in plug pattern
Under, controller locking trip signal output port makes it can not export trip signal driving trip unit action.
2. breaker as claimed in claim 1, it is characterised in that also including the first protection mechanism, first protection mechanism can
Order takes energy circuit to be normally connected with controller in the state of the fully-inserted connector block of controller, and is non-fully inserted in controller
Order takes energy short circuit in the state of entering connector block.
3. breaker as claimed in claim 2, it is characterised in that first protection mechanism is parallel to including one and described takes energy
Microswitch in circuit, and be fixedly installed on controller and with the contact component of the microswitch mechanical couplings；Institute
Contact component is stated to be configured as：In the state of the fully-inserted connector block of controller so that the microswitch shut-off, and
Controller is non-fully inserted in the state of connector block so that the microswitch closure.
4. breaker as claimed in claim 2, it is characterised in that the breaker also includes the second protection mechanism, can be in control
Make voltage detecting circuit turn in the state of the fully-inserted connector block of device, and the shape of connector block is non-fully inserted in controller
State order voltage detecting circuit open circuit.
5. breaker as claimed in claim 4, it is characterised in that second protection mechanism is series at the voltage including one
Detect circuit in microswitch, and be fixedly installed on controller and with the contact site of the microswitch mechanical couplings
Part；The contact component is configured as：In the state of the fully-inserted connector block of controller so that the microswitch is closed
Close, and in the state of controller non-fully inserts connector block so that the microswitch shut-off.
6. breaker as claimed in claim 1, it is characterised in that the mode of operation setting unit is to be connected with the controller
Man-machine interaction unit or mode selection switch.
7. breaker as claimed in claim 1, it is characterised in that the breaker also includes alarm module, in the control
Device processed sends alarm signal when being under plug pattern.
8. breaker as claimed in claim 1, it is characterised in that described to take energy circuit to include the Current Mutual Inductance being connected with major loop
Device, and the rectification circuit being connected with the secondary side output end of the current transformer.
9. the controller plug method of breaker as described in any one of claim 1~8, it is characterised in that comprise the following steps：
Step 1, controller is set to by plug pattern by mode of operation setting unit；
Step 2, controller extracted from the connector block；
Step 3, controller inserted in the connector block；
Step 4, controller is set to by normal mode by mode of operation setting unit.
10. the controller replacing options of breaker as described in any one of claim 1~8, it is characterised in that including following step
Suddenly：
Step 1, controller is set to by plug pattern by mode of operation setting unit；
Step 2, controller extracted from the connector block；
Step 3, new controller inserted in the connector block, the new controller is pre-set to plug pattern；
Step 4, new controller is set to by normal mode by mode of operation setting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860722.9A CN105374640B (en) | 2015-12-01 | 2015-12-01 | Breaker and its controller plug of hot-pluggable controller, replacing options |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860722.9A CN105374640B (en) | 2015-12-01 | 2015-12-01 | Breaker and its controller plug of hot-pluggable controller, replacing options |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105374640A CN105374640A (en) | 2016-03-02 |
| CN105374640B true CN105374640B (en) | 2017-08-08 |
Family
ID=55376734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510860722.9A Active CN105374640B (en) | 2015-12-01 | 2015-12-01 | Breaker and its controller plug of hot-pluggable controller, replacing options |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105374640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023592B (en) * | 2021-11-08 | 2023-08-01 | 河南华盛隆源电气有限公司 | High-voltage circuit breaker |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202034315U (en) * | 2011-03-22 | 2011-11-09 | 上海市电力公司 | Anti-misoperation breaker |
| CN102693882B (en) * | 2011-03-22 | 2014-07-16 | 上海市电力公司 | A universal circuit breaker with a hot-pluggable controller |
| CN202103482U (en) * | 2011-04-22 | 2012-01-04 | 常熟开关制造有限公司(原常熟开关厂） | Intelligent controller used for circuit breaker |
| CN202259100U (en) * | 2011-09-30 | 2012-05-30 | 上海良信电器股份有限公司 | Breaker having controller that can be replaced in an electrified condition |
| CN202307723U (en) * | 2011-09-30 | 2012-07-04 | 上海良信电器股份有限公司 | Breaker inserting device capable of hot plugging controller |
| WO2013097696A1 (en) * | 2011-12-26 | 2013-07-04 | 上海电科电器科技有限公司 | Control and protection device for low-voltage electrical appliance |
| CN103943425B (en) * | 2014-04-09 | 2017-01-04 | 上海诺雅克电气有限公司 | Can the chopper of fast insert-pull more changer controller |
| CN203882917U (en) * | 2014-04-09 | 2014-10-15 | 上海诺雅克电气有限公司 | Breaker with controller being pluggable and replaceable in live line |
| CN205159233U (en) * | 2015-12-01 | 2016-04-13 | 常熟开关制造有限公司(原常熟开关厂） | But circuit breaker of hot plugging controller |
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2015
- 2015-12-01 CN CN201510860722.9A patent/CN105374640B/en active Active
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| CN105374640A (en) | 2016-03-02 |
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