CN109450099A - A kind of switch-in unit of permanent-magnet based on capacitor energy storage type - Google Patents
A kind of switch-in unit of permanent-magnet based on capacitor energy storage type Download PDFInfo
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- CN109450099A CN109450099A CN201811538755.1A CN201811538755A CN109450099A CN 109450099 A CN109450099 A CN 109450099A CN 201811538755 A CN201811538755 A CN 201811538755A CN 109450099 A CN109450099 A CN 109450099A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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Abstract
The invention belongs to technical field of electric equipment, and in particular to a kind of switch-in unit of permanent-magnet based on capacitor energy storage type.The beneficial effects of the present invention are: the rectified filter circuit of alternating current, which forms coil, controls DC voltage, the FJ0 control signal that control circuit part can be sent by manual overvide or CPU processing unit carries out the work that divide-shut brake control permanent magnetism coil drives executing agency to complete package unit, the switching value and state of executing agency feed back to CPU processing unit, generate control signal FJ0 according to the actual situation by CPU processing unit.It is at low cost, small power consumption, stable and reliable in work using simple control circuit using the energy storage characteristic of polarized capacitor, it is conducive to production and maintenance.
Description
Technical field
The invention belongs to technical field of electric equipment, and in particular to a kind of permanent magnet mechanism divide-shut brake based on capacitor energy storage type
Device.
Background technique
Permanent-magnet manipulating mechanism vacuum circuit breaker is firstly appeared in the electrical group of German Te Ruide, and the end of the year 2001 formally entered Chinese city
, it is increasingly becoming the trend of permanent magnetic vacuum breaker operating mechanism development.Such breaker is with its distinctive miniaturization, machinery zero
Part is few, and high reliablity, non-maintaining and long-life become the hot spot that permanent magnetic vacuum breaker operating mechanism is promoted.Existing permanent magnetic motor
Structure drive control device causes vacuum circuit breaker when network system short circuit causes supply voltage relatively low or when other power supplies are abnormal
Cannot reliable on/off switch, also due to permanent magnetism coil inverse electromotive force generate interference and damage, these be all permanent magnet mechanism driving
Technical problem in device design.
Using permanent magnet technology product due to energy-saving effect it is fairly obvious, be widely used.It can guarantee permanent magnetism
The key problem in technology of the reliability and stability of product work is permanent magnetism control section.
The H-bridge circuit that traditional permanent magnetism coil control is formed using high power tube, or complicated control circuit, cost
It is high, power consumption is big, high failure rate, be unfavorable for production maintenance.This circuit utilizes the energy storage characteristic of capacitor, using simple control electricity
Road, it is at low cost, small power consumption, stable and reliable in work, it is conducive to production and maintenance.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of based on capacitor energy storage type
Switch-in unit of permanent-magnet, using the energy storage characteristic of capacitor, using simple control circuit, at low cost, small power consumption, work are steady
It is fixed reliable, it is conducive to production and maintenance.
The technical scheme to solve the above technical problems is that a kind of permanent magnet mechanism division based on capacitor energy storage type
Brake gear, including current rectifying and wave filtering circuit, control circuit, permanent magnetism coil and the executing agency being sequentially electrically connected, the rectifying and wave-filtering
The input terminal of circuit connects AC power source, and the input terminal of the control circuit is also connected with manual overvide and CPU processing is single
Member, the CPU processing unit are connect with the executing agency.
Further, shown manual overvide is manual switching on and off switch S1.
Further, the permanent magnetism coil is inductance L.
Further, the current rectifying and wave filtering circuit is made of diode D1, D2, D3, D4 and polarized capacitor C1, and described two
The series connection of pole pipe D1, D2 is the first branch, and described diode D3, D4 series connection are second branch, the first branch, second branch with
And one end of the manual switching on and off switch S1 is connected after the C1 parallel connection of polarized capacitor.
Further, the anode of the diode D1, diode D2 cathode with the firewire L of the AC power source connect
It connects, the anode of the diode D3, the cathode of diode D4 are connect with the zero curve N of the AC power source.
Further, the control circuit includes metal-oxide-semiconductor Q1, Q2, triode Q3, resistance R1-R7, diode D5, D6, surely
Pressure pipe Z1, Z2, polarized capacitor C, polarity free capacitor C2, the grid of metal-oxide-semiconductor Q1 are separately connected one end of resistance R1, resistance R2
The cathode of one end and voltage-stabiliser tube Z1, the drain electrode of metal-oxide-semiconductor Q1 are separately connected the anode of voltage-stabiliser tube Z1 and the other end of resistance R2,
The source level of metal-oxide-semiconductor Q1 is separately connected one end of resistance R4, one end of polarity free capacitor C2, the emitter of triode Q3, resistance R6
One end, voltage-stabiliser tube Z2 anode, one end of the drain electrode of metal-oxide-semiconductor Q2 and the inductance L, the other end of resistance R1 is separately connected
One end of resistance R3 and the cathode of diode D5, the anode of diode D5 are separately connected the another of the manual switching on and off switch S1
The anode of one end and diode D6, the cathode of diode D6 are separately connected one end of resistance R5, one end of resistance R7 and polarized
The anode of capacitor C, the other end of resistance R3 are separately connected the other end and triode of the other end of resistance R4, polarity free capacitor C2
The base stage of Q3, the collector of triode Q3 are separately connected the cathode of the other end of resistance R5, the other end of resistance R6, voltage-stabiliser tube Z2
And the grid of metal-oxide-semiconductor Q2, the other end of the source level connection resistance R7 of metal-oxide-semiconductor Q2, the cathode of polarized capacitor C connect the electricity
Feel the other end of L.
Further, described metal-oxide-semiconductor Q1, Q2 are N-type metal-oxide-semiconductor.
Further, the executing agency include buckle releaser, fire fighting alarm device, electric leakage alarm device, communication device with
And attachment.
The beneficial effects of the present invention are: the rectified filter circuit of alternating current, which forms coil, controls DC voltage, control circuit
The FJ0 control signal that part can be sent by manual overvide or CPU processing unit carries out divide-shut brake and controls permanent magnetism coil band
Dynamic executing agency completes the work of package unit, and the switching value and state of executing agency feed back to CPU processing unit, by CPU
Reason unit generates control signal FJ0 according to the actual situation.Using the energy storage characteristic of polarized capacitor, using simple control electricity
Road, it is at low cost, small power consumption, stable and reliable in work, it is conducive to production and maintenance.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of knot of the switch-in unit of permanent-magnet based on capacitor energy storage type described in the specific embodiment of the invention
Structure schematic diagram；
Fig. 2 is a kind of portion of the switch-in unit of permanent-magnet based on capacitor energy storage type described in the specific embodiment of the invention
Divide electrical schematic diagram；
Fig. 3 is equivalent circuit diagram when switch S1 closes；
Fig. 4 is equivalent circuit diagram when switch S1 is disconnected.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figs 1-4, a kind of switch-in unit of permanent-magnet based on capacitor energy storage type provided by the present invention, including
Current rectifying and wave filtering circuit, control circuit, permanent magnetism coil and the executing agency being sequentially electrically connected, the input terminal of the current rectifying and wave filtering circuit
AC power source is connected, the input terminal of the control circuit is also connected with manual overvide and CPU processing unit, at the CPU
Reason unit is connect with the executing agency, and the Data Concurrent that the CPU processing unit is used to receive the executing agency send FJ0 to control
Signal processed gives the control circuit.
Further, shown manual overvide is manual switching on and off switch S1.
Further, the permanent magnetism coil is inductance L.
Further, the current rectifying and wave filtering circuit is made of diode D1, D2, D3, D4 and polarized capacitor C1, and described two
The series connection of pole pipe D1, D2 is the first branch, and described diode D3, D4 series connection are second branch, the first branch, second branch with
And one end of the manual switching on and off switch S1 is connected after the C1 parallel connection of polarized capacitor.
Further, the anode of the diode D1, diode D2 cathode with the firewire L of the AC power source connect
It connects, the anode of the diode D3, the cathode of diode D4 are connect with the zero curve N of the AC power source.
Further, the control circuit includes metal-oxide-semiconductor Q1, Q2, triode Q3, resistance R1-R7, diode D5, D6, surely
Pressure pipe Z1, Z2, polarized capacitor C, polarity free capacitor C2, the grid of metal-oxide-semiconductor Q1 are separately connected one end of resistance R1, resistance R2
The cathode of one end and voltage-stabiliser tube Z1, the drain electrode of metal-oxide-semiconductor Q1 are separately connected the anode of voltage-stabiliser tube Z1 and the other end of resistance R2,
The source level of metal-oxide-semiconductor Q1 is separately connected one end of resistance R4, one end of polarity free capacitor C2, the emitter of triode Q3, resistance R6
One end, voltage-stabiliser tube Z2 anode, one end of the drain electrode of metal-oxide-semiconductor Q2 and the inductance L, the other end of resistance R1 is separately connected
One end of resistance R3 and the cathode of diode D5, the anode of diode D5 are separately connected the another of the manual switching on and off switch S1
The anode of one end and diode D6, the cathode of diode D6 are separately connected one end of resistance R5, one end of resistance R7 and polarized
The anode of capacitor C, the other end of resistance R3 are separately connected the other end and triode of the other end of resistance R4, polarity free capacitor C2
The base stage of Q3, the collector of triode Q3 are separately connected the cathode of the other end of resistance R5, the other end of resistance R6, voltage-stabiliser tube Z2
And the grid of metal-oxide-semiconductor Q2, the other end of the source level connection resistance R7 of metal-oxide-semiconductor Q2, the cathode of polarized capacitor C connect the electricity
Feel the other end of L.
Further, described metal-oxide-semiconductor Q1, Q2 are N-type metal-oxide-semiconductor.
Further, the executing agency include buckle releaser, fire fighting alarm device, electric leakage alarm device, communication device with
And attachment, attachment are the switching value of the executing agency.
The rectified filter circuit of alternating current forms coil and controls DC voltage as shown in Figure 1:, and control circuit part can be by hand
The FJ0 control signal that dynamic control device or CPU processing unit are sent carries out divide-shut brake control permanent magnetism coil and drives executing agency
The work of package unit is completed, executing agency is filled the switching value of executing agency and buckle releaser, fire protection warning by communication device
It sets and the state of electric leakage alarm device feeds back to CPU processing unit, generate control letter according to the actual situation by CPU processing unit
Number FJ0.
As shown in Fig. 2, D1-D4, C1 form current rectifying and wave filtering circuit, the DC voltage Dc for permanent magnetism coil L work is provided
+,Dc-；S1 is manual switching on and off switch；Q1, Q2 are high-power MOS tube, and Q3 is triode, and Q3 controls the on-off of Q2；L is forever
Magnetic coil, C are capacitor.R1, R2 provide gate operational voltages by partial pressure for Q1, and R5, R6 provide grid work by dividing for Q2
Make voltage, Z1, Z2 are that voltage-stabiliser tube burns to prevent grid because of over-voltage, R3, R4 provide base for Q3 for protecting the grid of Q1, Q2
Pole operating voltage, R7 are discharge resistance.Controlling signal FJ0 is that the switching on and off that CPU processing unit is sent controls signal.
When close a switch S1 when (or S1 is in connected state, when CPU processing unit detects the revocation of external fault signal),
Q3 conducting, so that Q2 be made to end, Q1 conducting forms forward voltage and is added on permanent magnetism coil L, and equivalent simple diagram is as shown in Figure 3: electricity
Flow through D6-C-L-Q1, permanent magnetism coil L obtains electric, and C charges at this time, and due to powered on moment, capacitor C is equivalent to short circuit, therefore forever
Magnetic coil L fast power generates magnetic force, is attracted switch.After capacitor C charging complete, it is equivalent to open circuit, at this time permanent magnetism coil
L no longer power consumption keeps being attracted, reaches energy saving purpose using magnetic property.
When S2 is disconnected or controls loss of voltage (or S1, in connected state, CPU processing unit detects that external fault is believed
When number being added to Q1 grid), Q1, Q3 are turned off, Q2 conducting, and equivalent circuit is as shown in figure 4, current direction is C-R7-at this time
Q2-L forms backward voltage and is added on permanent magnetism coil L, eliminates magnetic force, makes to switch separating brake.
The present apparatus utilizes the energy storage characteristic of capacitor, and using simple control circuit, at low cost, small power consumption, the operation is stable can
It leans on, is conducive to production and maintenance.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of switch-in unit of permanent-magnet based on capacitor energy storage type, it is characterised in that: including the rectification being sequentially electrically connected
The input terminal of filter circuit, control circuit, permanent magnetism coil and executing agency, the current rectifying and wave filtering circuit connects AC power source, institute
The input terminal for stating control circuit is also connected with manual overvide and CPU processing unit, the CPU processing unit and the execution
Mechanism connection.
2. a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 1, it is characterised in that: institute
Show that manual overvide is manual switching on and off switch S1.
3. a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 1, it is characterised in that: institute
Stating permanent magnetism coil is inductance L.
4. described in any item a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 1, feature
Be: the current rectifying and wave filtering circuit is made of diode D1, D2, D3, D4 and polarized capacitor C1, diode D1, D2 string
Connection is the first branch, and diode D3, D4 series connection is second branch, the first branch, second branch and polarized electricity
One end of the manual switching on and off switch S1 is connected after appearance C1 is in parallel.
5. a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 4, it is characterised in that: institute
The cathode of the anode, diode D2 of stating diode D1 is connect with the firewire L of the AC power source, and the diode D3 is just
Pole, diode D4 cathode connect with the zero curve N of the AC power source.
6. a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 1, it is characterised in that: institute
Stating control circuit includes metal-oxide-semiconductor Q1, Q2, triode Q3, resistance R1-R7, diode D5, D6, voltage-stabiliser tube Z1, Z2, polarized electricity
Hold C, polarity free capacitor C2, the grid of metal-oxide-semiconductor Q1 is separately connected one end of resistance R1, one end of resistance R2 and voltage-stabiliser tube Z1
Cathode, the drain electrode of metal-oxide-semiconductor Q1 are separately connected the anode of voltage-stabiliser tube Z1 and the other end of resistance R2, and the source level of metal-oxide-semiconductor Q1 connects respectively
One end of connecting resistance R4, one end of polarity free capacitor C2, the emitter of triode Q3, one end of resistance R6, voltage-stabiliser tube Z2 are just
One end of pole, the drain electrode of metal-oxide-semiconductor Q2 and the inductance L, the other end of resistance R1 are separately connected one end and two poles of resistance R3
The cathode of pipe D5, the other end and diode D6 that the anode of diode D5 is separately connected the manual switching on and off switch S1 are just
Pole, the cathode of diode D6 are separately connected the anode of one end of resistance R5, one end of resistance R7 and polarized capacitor C, resistance R3
The other end be separately connected the base stage of the other end of resistance R4, the other end of polarity free capacitor C2 and triode Q3, triode Q3
Collector be separately connected the grid of the other end of resistance R5, the other end of resistance R6, the cathode of voltage-stabiliser tube Z2 and metal-oxide-semiconductor Q2
Pole, the other end of the source level connection resistance R7 of metal-oxide-semiconductor Q2, the cathode of polarized capacitor C connect the other end of the inductance L.
7. a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 6, it is characterised in that: institute
Stating metal-oxide-semiconductor Q1, Q2 is N-type metal-oxide-semiconductor.
8. -7 any a kind of switch-in unit of permanent-magnet based on capacitor energy storage type according to claim 1, feature
Be: the executing agency includes buckle releaser, fire fighting alarm device, electric leakage alarm device, communication device and attachment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538755.1A CN109450099A (en) | 2018-12-14 | 2018-12-14 | A kind of switch-in unit of permanent-magnet based on capacitor energy storage type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538755.1A CN109450099A (en) | 2018-12-14 | 2018-12-14 | A kind of switch-in unit of permanent-magnet based on capacitor energy storage type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109450099A true CN109450099A (en) | 2019-03-08 |
Family
ID=65559886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811538755.1A Pending CN109450099A (en) | 2018-12-14 | 2018-12-14 | A kind of switch-in unit of permanent-magnet based on capacitor energy storage type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450099A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085563U (en) * | 1990-12-18 | 1991-09-25 | 张恩进 | dry energy-saving switch |
| CN101477919A (en) * | 2009-01-23 | 2009-07-08 | 东南大学 | Intelligent control module for permanent magnet contactor |
| CN101504898A (en) * | 2009-01-23 | 2009-08-12 | 东南大学 | Permanent magnet contactor control apparatus having auxiliary contacts |
| CN101552157A (en) * | 2009-04-01 | 2009-10-07 | 东南大学 | Separate magnetic circuit permanent magnetic mechanism contactor and control unit thereof |
-
2018
- 2018-12-14 CN CN201811538755.1A patent/CN109450099A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085563U (en) * | 1990-12-18 | 1991-09-25 | 张恩进 | dry energy-saving switch |
| CN101477919A (en) * | 2009-01-23 | 2009-07-08 | 东南大学 | Intelligent control module for permanent magnet contactor |
| CN101504898A (en) * | 2009-01-23 | 2009-08-12 | 东南大学 | Permanent magnet contactor control apparatus having auxiliary contacts |
| CN101552157A (en) * | 2009-04-01 | 2009-10-07 | 东南大学 | Separate magnetic circuit permanent magnetic mechanism contactor and control unit thereof |
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Application publication date: 20190308 |
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