CN106646215A - Selector switch and own switching fault determining method - Google Patents
Selector switch and own switching fault determining method Download PDFInfo
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- CN106646215A CN106646215A CN201710029781.0A CN201710029781A CN106646215A CN 106646215 A CN106646215 A CN 106646215A CN 201710029781 A CN201710029781 A CN 201710029781A CN 106646215 A CN106646215 A CN 106646215A
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- controller
- reverse
- switch
- blocking tetrode
- tetrode thyristor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a selector switch and an own switching fault determining method, and relates to a switch technology field. The selector switch can be used to detect an own switching fault, and can be used for switching, when a voltage zero crossing point of alternating current is detected accurately. One end of a silicon controlled switch Kb and one end of a magnetic latching relay switch Kc are respectively connected with a first node, and the other end of the silicon controlled switch Kb and one end of an inductor La are respectively connected with a node Ma. The other end of the inductor La and one end of a sixth switch are respectively connected with a node Mb, and the other end of the magnetic latching relay switch Kc, another end of a first switch, and another end of a second switch are respectively connected with a node Mc. One end of a capacitor C2, another end of a fourth switch, a positive pole end of a diode D1, and a negative pole end of a diode D3 are respectively connected with a node Md. A silicon controlled circuit is connected with the control end of the silicon controlled switch Kb and a controller, and a magnetic driving circuit is connected with the control end of the magnetic latching relay switch Kc and the controller.
Description
Technical field
The present invention relates to switching technique field, and in particular to combination switch and its own switching fault judgment method.
Background technology
The existing switch being connected in alternating current circuit typically can not all detect the switching failure of itself, occur when itself is switched
When closure or the switching failure of disconnection, existing switch all can not be detected to closed in itself or the failure of disconnection, cause user
It is difficult to know whether switch occurs in that closure or the switching failure for disconnecting, therefore designs and a kind of can detect opening for itself switching failure
Pass seems very necessary.
The content of the invention
The present invention is can not to detect the deficiency of itself switching failure to solve existing switch, there is provided one kind can be intelligently automatic
Itself switching failure is detected, simple structure, intelligence degree is high, safe and reliable, and easily the battery pack from electricity consumption supply module is entered
The combination switch of row charge and discharge control and its own switching fault judgment method.
To achieve these goals, the present invention is employed the following technical solutions：
Combination switch, including node, No. two nodes, a node Msa, node Mb, inductance La, electric capacity Ca, electric capacity C2, two poles
Pipe D1, diode D2, diode D3, diode D4, photoelectrical coupler OPT, resistance R0, resistance R1, resistance R2, switching switch Ka, magnetic
Drive electric power road, silicon drive circuit, the controller from electricity consumption supply module, earth terminal SGND and containing pulse counter；It is described
Switching switch KaIncluding reverse-blocking tetrode thyristor KbK is switched with magnetic latching relayc, the photoelectrical coupler OPT include light emitting diode
D5With phototriode Q0；The reverse-blocking tetrode thyristor KbOne end and magnetic latching relay switch KcOne end respectively with No. one section
Point connection, the reverse-blocking tetrode thyristor KbThe other end, one end of resistance R1 and inductance LaOne end respectively with node MaConnection, institute
State inductance LaThe other end, magnetic latching relay switch KcThe other end, one end of resistance R2 and electric capacity CaOne end respectively with section
Point MbConnection, the electric capacity CaThe other end be connected on No. two nodes, the other end of resistance R1 and electric capacity C2One end connection,
The diode D1Positive terminal and diode D3Negative pole end be connected to electric capacity C2The other end on, the diode D2
Positive terminal and diode D4Negative pole end be connected to resistance R2The other end on, the diode D1Negative pole end and two
Pole pipe D2Negative pole end be connected to light emitting diode D5Positive terminal on, the diode D3Positive terminal and diode D4
Positive terminal be connected to light emitting diode D5Negative pole end on, the phototriode Q0Collector terminal respectively with resistance
R0One end and controller connection, the phototriode Q0Emitter stage be connected with signal ground end SGND, it is described from electricity consumption supply
Electric module respectively with resistance R0The other end, Magnetic driving circuit, silicon drive circuit and controller connection, the silicon drive circuit point
Not with reverse-blocking tetrode thyristor KbControl end and controller connection, the Magnetic driving circuit respectively with magnetic latching relay switch Kc's
Control end and controller connect；
Include battery connection module, company can be sequentially connected in series by several separate cells from electricity consumption supply module
The battery pack for connecing；From electricity consumption supply module also include charger equal with cell number respectively, switching switch and
Current limliting module；Battery connection module includes the bulk charging bindiny mechanism equal with cell number；In each bulk charging connection
Bulk voltage detection chip is respectively equipped with mechanism；The power output end of each charger is one-to-one to be connected to each switching switch choosing
Select on a terminals at end each switching switch turning end it is one-to-one be connected on one end of current limliting module, each current limliting
The other end of module is one-to-one to be connected in the bulk charging bindiny mechanism of battery connection module；Battery connection module is connected to battery
In group, the control end of the battery connection module, each bulk voltage detection chip, the control end of each current limliting module and each cut
The control end for changing switch is connected respectively with controller；And under the control of the controller, when not charging for battery pack, battery connection
Each separate cell in battery pack can be sequentially connected in series and become together series-connected cell by module, when for battery
When group charges, the series-connected cell being sequentially connected in series in battery pack together can be become separate list by battery connection module
Body battery；
The power input of each charger and the power input of controller are conductively connected to be powered at one and successively control
In mechanism processed, and energization priority controlling organization is first powered to controller when upper electric, and charger energization is then given again；In lower electricity
Shi Tong electricity priorities controlling organization first allows charger power-off, then allows controller power-off again.
The energization priority controlling organization of this programme is first powered by controller, and controller just allows battery connection module to be incited somebody to action after being powered
The series-connected cell being sequentially connected in series in battery pack together becomes separate cell, is then electrified to priority control machine
Structure just allows charger to be powered, and so can fully ensure that when charger is powered, be between each cell it is separate,
Charging between each cell would not be impacted, automatically controlled so as to easily carry out charge and discharge to the battery pack from electricity consumption supply module
System.
The combination switch of this programme when in use, a node is connected on the live wire C of AC power, No. two nodes
It is connected on the zero line N of AC power.
Figure 10 is a kind of waveform diagram of the present invention.A () flows through reverse-blocking tetrode thyristor KbCurrent waveform schematic diagram, (a)
Flow through reverse-blocking tetrode thyristor KbOperation detecting circuit on produce trigger waveform schematic diagram.
The combination switch fault self-checking principle of this programme is as follows：
When switching combination switch is needed, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting.Electric current Jing reverse-blocking tetrode thyristor Kb, inductance LaWith electric capacity CaClosed-loop path is formed, inductance L is connected in parallel onaThe electric capacity at two ends
C2, diode D1, diode D2, diode D3, diode D4, photoelectrical coupler OPT, resistance R1, resistance R0, resistance R2, from electricity consumption
Supply module and earth terminal SGND together form reverse-blocking tetrode thyristor KbOperation detecting circuit.Reverse-blocking tetrode thyristor is flow through in electric current
KbWhen reverse-blocking tetrode thyristor KbOperation detecting circuit can produce start pulse signal, after keeping certain hour, controller to magnetic is protected
Hold relay switch KcClosure control signal is sent, makes magnetic latching relay switch KcClosure.Magnetic latching relay switchs KcClosure
Afterwards by reverse-blocking tetrode thyristor KbWith inductance LaThe series arm of composition is short-circuit, now reverse-blocking tetrode thyristor KbOperation detecting circuit will not
Trigger pulse can be produced.Then, controller is to reverse-blocking tetrode thyristor KbDisconnection control signal is sent, reverse-blocking tetrode thyristor K is madebDisconnect, by
Magnetic latching relay switchs KcKeep current supply circuit work.
When needing to cut off combination switch, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting, after keeping certain hour, controller to magnetic latching relay switchs KcDisconnection control signal is sent, magnetic keeps relay
Device switchs KcThen turn off, now, controllable silicon operation detecting circuit there will be trigger pulse to occur.Finally, controller is to controllable silicon
Switch KbDisconnection control signal, reverse-blocking tetrode thyristor K are sent againbThen turn off.So far combination switch has just been cut off completely.
The combination switch of this programme possesses and can carry out during switch motion self fault detect, and without the need for compound
The instrument of detection failure is set in addition in switch, so that the structure of combination switch is simpler, small volume, structure reliability, into
This is cheap, reduces switching unsuccessful potential safety hazard when combination switch is used.
A kind of itself switching fault judgment method suitable for combination switch,
Itself switching failure of combination switch includes reverse-blocking tetrode thyristor KbCannot conducting failure, magnetic latching relay switch
KcCannot close failure, magnetic latching relay switch KcCannot disconnect failure and reverse-blocking tetrode thyristor KbCannot turn off failure.
Therefore, itself switching fault judgment method of combination switch includes：
(2-1) reverse-blocking tetrode thyristor K is judgedbFor cannot the method for conducting failure be：
When combination switch is put into, it is assumed that reverse-blocking tetrode thyristor KbIt is off state, and magnetic latching relay switch KcAlso locate
On the premise of off-state,
(2-1-1) first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controller waits reverse-blocking tetrode thyristor Kb
Operation detecting circuit return start pulse signal, and carried out with the pulse counter of controller trigger trigger pulse count,
After the delay adjustmentses time, if the trigger pulse number that controller is received is more than setting number, you can think the controllable silicon
Switch KbEnergy normally, if when the trigger pulse number that controller is received is less than setting number,
(2-1-2) again from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, and pulse counter is reset, then
After the secondary delay adjustmentses time, if the trigger pulse number that receives of controller is still less than setting number, you can judge that this is controllable
Transwitch KbFor cannot conducting failure.
(2-2) judge that magnetic latching relay switchs KcMethod to close failure is：
When combination switch is put into, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbShape has been on
State and magnetic latching relay switch KcOn the premise of being off,
(2-2-1) it is first to switch K from controller to magnetic latching relaycSend closure control signal, and by pulse counter
Reset, after the delay adjustmentses time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than setting number when,
(2-2-2) again from controller to magnetic latching relay switch KcSend disconnection control signal, and by pulse counter
Reset, then after the delay adjustmentses time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than also setting number
When,
(2-2-3) again from controller to magnetic latching relay switch KcSend closure control signal, and by step-by-step counting
Device resets, again after the delay adjustmentses time, if now controller receives reverse-blocking tetrode thyristor KbTrigger pulse count it is still big
When number is set, you can judge magnetic latching relay switch KcFor failure cannot be closed.
(2-3) judge that magnetic latching relay switchs KcMethod to disconnect failure is：
When combination switch is cut off, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbIn disconnection shape
State and magnetic latching relay switch KcOn the premise of being in closure state,
(2-3-1) first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent by reverse-blocking tetrode thyristor KbConducting, and prolong
When setting time allow reverse-blocking tetrode thyristor KbAfter reliable conducting, and K is switched from controller to magnetic latching relaycSend disconnection control
Signal, and pulse counter is reset, after waiting setting time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse
When number is less than setting number；
(2-3-2) again from controller to magnetic latching relay switch KcSend disconnection control signal, and by pulse counter
Reset, after again waiting for setting time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number still less than setting
During number, you can judge that magnetic latching relay switchs KcFor failure cannot be disconnected.
(2-4) reverse-blocking tetrode thyristor K is judgedbMethod to turn off failure is：
When combination switch is cut off, it is assumed that magnetic latching relay switchs KcCan normally disconnect, and magnetic latching relay switch Kc
It has been off and reverse-blocking tetrode thyristor KbOn the premise of also in conducting state,
(2-4-1) first from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, prolonged
When setting time after, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than setting number when；
(2-4-2) again from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, then
After the secondary delay adjustmentses time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number still greater than setting number when, i.e.,
Can determine whether reverse-blocking tetrode thyristor KbFor failure cannot be turned off.
The combination switch of this programme can carry out the intellectualized detection of combination switch itself switching failure, can in time allow user to know
Whether road combination switch occurs in that failure, is easy to replacing in time, and simple structure, reliability is high, and security is good.
Preferably, also including the memory being connected with controller.Memory can store the voltage over zero of live wire C
Time point, is easy to controller to directly invoke.
Preferably, also including the display being connected with controller.Display is easy to user to observe, simple and easy to use.
Preferably, inductance LaInductance be 70-75 microhenrys.Inductance LaAdopt inductance for tens microhenrys high-frequency inductor, greatly
Reverse-blocking tetrode thyristor K is improve greatlybIn the effect of the suppression dash current of conducting moment, reliability is higher.
Preferably, also including the alarm being connected with controller.Control after combination switch itself switching breaks down
Device to alarm sends alarm command, and alarm sends immediately alarm sound, is easy to user to change combination switch in time.
The present invention can reach following effect：
Combination switch energy autonomous detection itself the switching failure of the present invention, intelligence degree is high, and energy automatic detection is certainly
Body switching failure, can in time let the user know that whether combination switch occurs in that failure, be easy to replacing in time, and simple structure is reliable
Property it is high, security is good, easily carries out charge and discharge control to the battery pack from electricity consumption supply module.
Description of the drawings
Fig. 1 is a kind of circuit theory attachment structure schematic diagram of the embodiment of the present invention from electricity consumption supply module.
Fig. 2 is that the embodiment of the present invention upper electromagnet from a bulk charging bindiny mechanism of electricity consumption supply module is pressed on down
A kind of attachment structure schematic diagram when on electromagnet.
Fig. 3 is that the embodiment of the present invention upper electromagnet from a bulk charging bindiny mechanism of electricity consumption supply module is not pressed in
A kind of attachment structure schematic diagram when on lower electromagnet.
Fig. 4 be the embodiment of the present invention from charger and microcontroller at the energization priority controlling organization of electricity consumption supply module all
A kind of use state attachment structure schematic diagram during electricity is not also gone up.
Fig. 5 be the embodiment of the present invention from the energization priority controlling organization of electricity consumption supply module be in upper electric when, only micro-control
A kind of use state attachment structure schematic diagram when the power input positive pole of device processed has been powered on.
Fig. 6 be the embodiment of the present invention from the energization priority controlling organization of electricity consumption supply module be in upper electric when, only micro-control
One kind that the power input positive pole of device processed switches on power when also having been turned on power supply with the power input negative pole of microcontroller makes
Use state attachment structure schematic diagram.
Fig. 7 be the embodiment of the present invention from the energization priority controlling organization of electricity consumption supply module be in upper electric when, only micro-control
The power input positive pole of device processed switches on power, the power input negative pole of microcontroller also has been turned on the electricity of power supply and charger
Source input anode also has been turned on a kind of use state attachment structure schematic diagram during power supply.
Fig. 8 be the embodiment of the present invention from the energization priority controlling organization of electricity consumption supply module be in upper electric when, microcontroller
Power input positive pole switch on power, the power input negative pole of microcontroller also has been turned on power supply, the power supply of charger is defeated
Enter a kind of use state connection that proper pole also has been turned on when the power input negative pole of power supply and charger also has been turned on power supply
Structural representation.
Fig. 9 is a kind of use state circuit theory attachment structure schematic diagram of the present invention.
Figure 10 is a kind of waveform diagram of the present invention.
Figure 11 is that the present embodiment is connected from a kind of circuit theory that each part of electricity consumption supply module is connected with controller
Structural schematic block diagram.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, technical scheme is described in further detail.
Embodiment：It is shown in Figure 9, combination switch, including 701, No. two nodes 702, node M of a nodea, node Mb、
Inductance La, electric capacity Ca, electric capacity C2, diode D1, diode D2, diode D3, diode D4, photoelectrical coupler OPT, resistance R0, electricity
Resistance R1, resistance R2, switching switch Ka, Magnetic driving electric power road 502, silicon drive circuit 503, from electricity consumption supply module 901, earth terminal
SGND and the controller containing pulse counter 805 107；The switching switch KaIncluding reverse-blocking tetrode thyristor KbRelay is kept with magnetic
Device switchs Kc, the photoelectrical coupler OPT include light emitting diode D5With phototriode Q0；The reverse-blocking tetrode thyristor KbOne
End and magnetic latching relay switch KcOne end be connected with a node respectively, the reverse-blocking tetrode thyristor KbThe other end, resistance R1
One end and inductance LaOne end respectively with node MaConnection, the inductance LaThe other end, magnetic latching relay switch KcIt is another
One end, one end of resistance R2 and electric capacity CaOne end respectively with node MbConnection, the electric capacity CaThe other end be connected to No. two sections
On point, the other end and the electric capacity C of resistance R12One end connection, the diode D1Positive terminal and diode D3Negative pole end point
It is not connected to electric capacity C2The other end on, the diode D2Positive terminal and diode D4Negative pole end be connected to resistance
R2The other end on, the diode D1Negative pole end and diode D2Negative pole end be connected to light emitting diode D5Just
On extreme, the diode D3Positive terminal and diode D4Positive terminal be connected to light emitting diode D5Negative pole end on,
The phototriode Q0Collector terminal respectively with resistance R0One end and controller connection, the phototriode Q0Send out
Emitter-base bandgap grading is connected with signal ground end SGND, it is described from electricity consumption supply module respectively with resistance R0The other end, Magnetic driving circuit, silicon
Drive circuit and controller connect, the silicon drive circuit respectively with reverse-blocking tetrode thyristor KbControl end and controller connection, institute
State Magnetic driving circuit and switch K with magnetic latching relay respectivelycControl end and controller connection.Inductance LaInductance be 70-75 it is micro-
It is prosperous.
Referring to shown in Fig. 1, Figure 11, from electricity consumption supply module include battery connection module t22, can be separate by several
Battery pack t26 that is connected together in series of cell；From electricity consumption supply module also include respectively with cell number
Equal charger, switching switch and current limliting module；Battery connection module includes that the bulk charging equal with cell number connects
Connection mechanism；Bulk voltage detection chip t101 is respectively equipped with each bulk charging bindiny mechanism；The power supply output of each charger
One-to-one each the switching switch that is connected in end is selected on a terminals at end；The one-to-one connection of turning end of each switching switch
On one end of current limliting module, the one-to-one bulk charging connection machine for being connected to battery connection module of the other end of each current limliting module
On structure；Battery connection module connects on the battery pack, the control end of the battery connection module t22, each bulk voltage detection core
The control end of piece t101, the control end of each current limliting module and each switching switch is connected respectively with controller；And in controller
Control under, when not charging for battery pack, battery connection module can by each separate cell in battery pack according to
Secondary being connected in series becomes series-connected cell, and when charging for battery pack, battery connection module will can successively go here and there in battery pack
The series-connected cell that connection links together becomes separate cell.
Charger in this example is charger t2, charging t3 and charger t4.Switching switch in this example is switching
Switch t5, switching switch t6 and switching switch t7.Current limliting module in this example is limited flow module t9, current limliting module t10 and limit
Flow module t11.The selection end of each switching switch includes terminals d, terminals e and terminals f.Controller in this example
As microcontroller.
It is shown in Figure 1, if the cell of the present embodiment battery pack has three, and set these three cell difference
For a cell t19, No. two cell t20 and No. three cell t21；The bulk charging connection machine of battery connection module
Structure has three, and sets these three bulk charging bindiny mechanisms and be respectively a bulk charging bindiny mechanism t12, No. two bulk chargings connections
Mechanism t13 and No. three bulk charging bindiny mechanism t14；Battery connection module also includes that group power output interface t15, a hilted broadsword are double
Throw switch t17, No. two single-pole double-throw switch (SPDT) t18 and single knife switch t16；It is double that the positive pole of a number cell is connected to a hilted broadsword
In the turning end of throw switch, the positive terminal of a contact portion of a single-pole double-throw switch (SPDT) in a bulk charging bindiny mechanism
On end, No. two contact portions of a single-pole double-throw switch (SPDT) on No. two contacts of No. two single-pole double-throw switch (SPDT)s, a monomer electricity
The negative pole in pond is connected in the negative terminals of a bulk charging bindiny mechanism, and the negative pole of a cell is also connected to a group electricity
In the negative terminals of source output interface；The positive pole of No. two cells is connected to the positive terminal of No. two bulk charging bindiny mechanisms
On end, the positive pole of No. two cells is also connected on the positive terminal of group power output interface, No. two cells it is negative
Pole is connected in the negative terminals of No. two bulk charging bindiny mechanisms, and the negative pole of No. two cells is also connected to single knife switch
On one end；The negative pole t 25 of No. three cells is connected in the turning end of No. two single-pole double-throw switch (SPDT)s, No. two single-pole double-throw switch (SPDT)s
A contact portion in the negative terminals of No. three bulk charging bindiny mechanisms, the positive pole t23 of No. three cells is connected to
On the positive terminal of No. three bulk charging bindiny mechanisms, the positive pole of No. three cells is also connected to the other end of single knife switch
On；The control end point of the control end of a number single-pole double-throw switch (SPDT), the control end of No. two single-pole double-throw switch (SPDT)s and single knife switch
It is not connected with controller.
No. two contacts of a number single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are normally closed touching
Point, when battery pack charges, No. two contacts of a single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are in
Off-state, in battery pack no charging, No. two contacts of a number single-pole double-throw switch (SPDT) and No. two of No. two single-pole double-throw switch (SPDT)s are touched
Point is in closure state；A number contact of a number single-pole double-throw switch (SPDT) and a contact of No. two single-pole double-throw switch (SPDT)s are equal
For normally opened contact, when battery pack charges, No. of a contact of a single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s is touched
Point is in closure state, a contact of a single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack does not charge
A contact be in off-state；The single knife switch is off when battery pack charges, and does not fill in battery pack
Closure state is in when electric.
Referring to shown in Fig. 2, Fig. 3, each bulk charging bindiny mechanism includes that lower horizontal block t30 of sliding chamber t29, insulation, insulation are slided
Horizontal block t36, sliding bar t32 and activity horizontal block t31 on motion block t38, insulation, the positive terminal of bulk charging bindiny mechanism is including upper
Positive terminal termination t28 and lower positive terminal termination t27, the negative terminals of bulk charging bindiny mechanism include upper negative terminals
Head t39 and lower negative terminal termination t40；Insulated slide block is slidably arranged in sliding chamber, and the lower horizontal block of insulation is fixedly installed on insulation
In sliding chamber below sliding shoe, horizontal block is fixedly installed in the sliding chamber above insulated slide block in insulation, activity horizontal block activity cloth
Put in the sliding chamber in insulation above horizontal block, upper positive terminal termination and upper negative terminal termination are arranged at insulated slide block
On lower surface, lower positive terminal termination and lower negative terminal termination be arranged at insulating lower horizontal block upper surface on, in insulation
Horizontal block is provided with vertical through hole t34, and sliding bar is slidably arranged in vertical through hole, and sliding bar upper end is fixedly connected on activity horizontal block
On, sliding bar lower end is fixedly connected in the upper horizontal block of insulation, is set on the sliding bar in insulation between horizontal block and insulated slide block
Spring t37 is pulled open, the two ends for pulling open spring extrude be connected on the lower surface of the upper horizontal block of insulation and insulated slide block respectively
On upper surface；Lower electromagnet t35 is fixed with the upper surface of horizontal block in the insulation, in activity horizontal block electromagnet is provided with
T33, and upper electromagnet when being powered the electromagnetic force that produces and lower electromagnet when logical the electromagnetic force of electricity generation attract each other, and upper electricity
The electromagnetic force that magnet is produced when being powered can promote insulated slide block after attracting each other with the lower electromagnet electromagnetic force that electricity is produced when logical
Move down, and upper positive terminal termination can be compressed and be conductively connected on lower positive terminal termination and can be by upper negative terminals
Head is compressed and is conductively connected on lower negative terminal termination.
The positive pole of each cell is one-to-one to be connected electrically on lower positive terminal termination, the negative pole one of each cell
It is connected electrically in one on lower negative terminal termination, positive terminal in the one-to-one electrical connection of positive pole of the other end of each current limliting module
On termination, in the one-to-one electrical connection of negative pole of the other end of each current limliting module on negative terminal termination.
Referring to shown in Fig. 4-Fig. 8, the power input of each charger and the power input of controller are conductively connected
On an energization priority controlling organization t75, and energization priority controlling organization is first powered to controller when upper electric, Ran Houzai
It is powered to charger；Energization priority controlling organization first allows charger power-off when lower electric, then allows controller power-off again.
Referring to shown in Fig. 4-Fig. 8, energization priority controlling organization include the insulation tube t62 of right-hand member sealing, an insulation block t64,
Insulated slide bar t63 and handle t61, insulation block is fixed on t66 in insulation tube, and on insulation block slide opening t65 is transversely provided with,
Insulated slide bar is slidably arranged in slide block, and handle is fixedly connected on the left end of insulated slide bar；Under the inner tubal wall of insulation tube
From left to right it is fixed with a positive terminal termination t71, negative terminal termination t72, No. two positive poles on bottom surface successively to connect
End t73 and No. two negative terminal termination t74, and the height of a positive terminal termination is higher than a negative terminal termination
Height it is high, the height of a negative terminal termination is high higher than the height of No. two positive terminal terminations, No. two positive terminal terminations
The high height higher than No. two negative terminal terminations of height it is high；From a left side on the lower surface of the insulated slide bar of insulation block right
To the right side be fixed with successively No. three positive terminal termination t67, No. three negative terminal termination t68, No. four positive terminal termination t69 and
No. four negative terminal termination t70, and when insulated slide bar moves to setting position, No. three positive terminal terminations can compress leads
It is connected electrically on a positive terminal termination, No. three negative terminal terminations can compress and be conductively connected a negative terminal termination
On, No. four positive terminal terminations can compress and be conductively connected on No. two positive terminal terminations, and No. four negative terminal terminations can compress
It is conductively connected on No. two negative terminal terminations；The power input positive pole of controller is connected electrically in positive terminal termination
Lower end, the power input negative pole of controller is connected electrically in the lower end of a negative terminal termination, the power input of charger
Positive pole is connected electrically in the lower end of No. two positive terminal terminations, and the power input negative pole of charger is connected electrically in No. two negative terminals
The lower end of termination；No. three positive terminal terminations and No. four positive terminal terminations are both electrically connected with the power supply in energization priority controlling organization
On the positive pole of input；No. three negative terminal terminations and No. four negative terminal terminations are both electrically connected with energization priority controlling organization
On the negative pole of power input.
The combination switch of the present embodiment when in use, a node is connected on the live wire C of AC power, No. two sections
Point is connected on the zero line N of AC power.
The combination switch fault self-checking principle of the present embodiment is as follows：
When switching combination switch is needed, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting.Electric current Jing reverse-blocking tetrode thyristor Kb, inductance LaWith electric capacity CaClosed-loop path is formed, inductance L is connected in parallel onaThe electric capacity at two ends
C2, diode D1, diode D2, diode D3, diode D4, photoelectrical coupler OPT, resistance R1, resistance R0, resistance R2, from electricity consumption
Supply module and earth terminal SGND together form reverse-blocking tetrode thyristor KbOperation detecting circuit 501.Controllable silicon is flow through in electric current
Switch KbWhen reverse-blocking tetrode thyristor KbOperation detecting circuit can produce start pulse signal, after keeping certain hour, controller to
Magnetic latching relay switchs KcClosure control signal is sent, makes magnetic latching relay switch KcClosure.Magnetic latching relay switchs Kc
By reverse-blocking tetrode thyristor K after closurebWith inductance LaThe series arm of composition is short-circuit, now reverse-blocking tetrode thyristor KbOperation detecting circuit
Trigger pulse will not be produced.Then, controller is to reverse-blocking tetrode thyristor KbDisconnection control signal is sent, reverse-blocking tetrode thyristor K is madebIt is disconnected
Open, K is switched by magnetic latching relaycKeep current supply circuit work.
When needing to cut off combination switch, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting, after keeping certain hour, controller to magnetic latching relay switchs KcDisconnection control signal is sent, magnetic keeps relay
Device switchs KcThen turn off, now, controllable silicon operation detecting circuit there will be trigger pulse to occur.Finally, controller is to controllable silicon
Switch KbDisconnection control signal, reverse-blocking tetrode thyristor K are sent againbThen turn off.So far combination switch has just been cut off completely.
The combination switch of the present embodiment possesses and can carry out during switch motion self fault detect, and without the need for multiple
The instrument of detection failure is set in addition in combination switch, so that the structure of combination switch is simpler, small volume, structure reliability,
It is with low cost, reduce switching unsuccessful potential safety hazard when combination switch is used.
A kind of itself switching fault judgment method suitable for combination switch,
Itself switching failure of combination switch includes reverse-blocking tetrode thyristor KbCannot conducting failure, magnetic latching relay switch
KcCannot close failure, magnetic latching relay switch KcCannot disconnect failure and reverse-blocking tetrode thyristor KbCannot turn off failure.
Therefore, itself switching fault judgment method of combination switch includes：
(2-1) reverse-blocking tetrode thyristor K is judgedbFor cannot the method for conducting failure be：
When combination switch is put into, it is assumed that reverse-blocking tetrode thyristor KbIt is off state, and magnetic latching relay switch KcAlso locate
On the premise of off-state,
(2-1-1) first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controller waits reverse-blocking tetrode thyristor Kb
Operation detecting circuit return start pulse signal, and carried out with the pulse counter of controller trigger trigger pulse count,
After time delay 0.2s, if the trigger pulse number that controller is received is more than 5, you can think reverse-blocking tetrode thyristor KbCan be just
Often conducting, if the trigger pulse number that controller is received is less than setting number,
(2-1-2) again from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, and pulse counter is reset, then
After secondary time delay 0.2s, if the trigger pulse number that receives of controller is still less than 5, you can judge reverse-blocking tetrode thyristor KbFor
Cannot conducting failure.
(2-2) judge that magnetic latching relay switchs KcMethod to close failure is：
When combination switch is put into, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbShape has been on
State and magnetic latching relay switch KcOn the premise of being off,
(2-2-1) it is first to switch K from controller to magnetic latching relaycSend closure control signal, and by pulse counter
Reset, after time delay 0.6s, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than 20 when,
(2-2-2) again from controller to magnetic latching relay switch KcSend disconnection control signal, and by pulse counter
Reset, then after the time delay 0.6s times, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than also 20 when,
(2-2-3) again from controller to magnetic latching relay switch KcSend closure control signal, and by step-by-step counting
Device resets, again after time delay 0.6s, if now controller receives reverse-blocking tetrode thyristor KbTrigger pulse count still greater than 20
When individual, you can judge magnetic latching relay switch KcFor failure cannot be closed.
(2-3) judge that magnetic latching relay switchs KcMethod to disconnect failure is：
When combination switch is cut off, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbIn disconnection shape
State and magnetic latching relay switch KcOn the premise of being in closure state,
(2-3-1) first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent by reverse-blocking tetrode thyristor KbConducting, and prolong
When 0.4s relief reverse-blocking tetrode thyristor KbReliable conducting, and switch K from controller to magnetic latching relaycDisconnection control signal is sent,
And reset pulse counter, after waiting 0.6s, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be less than 20
When individual；
(2-3-2) again from controller to magnetic latching relay switch KcSend disconnection control signal, and by pulse counter
Reset, after again waiting for 0.6s, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number still less than 20 when, you can
Judge that magnetic latching relay switchs KcFor failure cannot be disconnected.
(2-4) reverse-blocking tetrode thyristor K is judgedbMethod to turn off failure is：
When combination switch is cut off, it is assumed that magnetic latching relay switchs KcCan normally disconnect, and magnetic latching relay switch Kc
It has been off and reverse-blocking tetrode thyristor KbOn the premise of also in conducting state,
(2-4-1) first from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, prolonged
When 0.2s after, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than 5 when；
(2-4-2) again from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, then
After secondary time delay 0.2s, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number still greater than 5 when, you can judge controllable
Transwitch KbFor failure cannot be turned off.
Combination switch energy autonomous detection itself the switching failure of the present embodiment, intelligence degree is high, can automatic detection
Itself switching failure, can in time let the user know that whether combination switch occurs in that failure, be easy to replacing in time, and simple structure can
High by property, security is good.
The energization priority controlling organization of the present embodiment is first powered by controller, and controller just allows battery connection module after being powered
The series-connected cell being sequentially connected in series in battery pack together is become into separate cell, priority control is then electrified to
Mechanism just allows charger to be powered, and so can fully ensure that when charger is powered, and is separate between each cell
, charging between each cell would not be impacted.
When charging, voltage checking chip can carry out voltage detecting to the present embodiment to corresponding cell.When certain list
Body battery can reduce charging current when being full of by current limliting module, and when certain cell is not also far full of current limliting can be passed through
Module increases charging current.So as to make voltage contained by cell identical as far as possible.When each cell is full of and each list
Charge power supply can be disconnected when the voltage of body battery is identical.Or when each cell and underfill and each cell
Voltage it is identical when can also disconnect charge power supply.After so allowing cell to be connected, will not between the cell being connected in series
There is electric current flowing, the reliability of battery is high.The charging current or charging voltage of each charger can be differed each other.Pass through
Switching switch selects different chargers can to certain cell.The cooperation of switching switch and current limliting module can be preferably to need
The cell to be charged provides in real time charging current and charging voltage, consequently facilitating entering to the charging progress of each cell
Row individually control, also allows for individually controlling the charging voltage of each cell.Examined by temperature in charging process
Surveying mechanism can detect to the temperature of cell, and can carry out overheat protector control to cell when charging.Pass through
Dual power supply mechanism makes the present embodiment have dual power supply function, substantially increases dependable with function.
The present embodiment can make the damage of single cell not interfere with other cells chargings, and not be battery pack
Each separate cell in battery pack can be sequentially connected in series during charging and become together series-connected cell, for electricity
The series-connected cell being sequentially connected in series in battery pack together can be become separate cell by pond group when charging, to every
The charging process of individual cell can also carry out voltage detecting, and the charging progress of each cell individually can be controlled
System, can also individually be controlled the charging voltage of each cell.And when charging excess temperature guarantor can be carried out to cell
Shield control.Powered using dual power supply mechanism and realize the uninterrupted power supply of electrical equipment.It is safe, good reliability, and it is provided with logical
Electric priority controlling organization in electric charging process in battery pack to first allowing the cell being connected in series to become independent cell
After recharge, charging reliability is high.
The battery connection module of the present embodiment can be by each is separate in battery pack when can well allow battery pack to charge
Cell be sequentially connected in series and become together series-connected cell, will can be sequentially connected in series in battery pack when charging for battery pack
The series-connected cell for linking together becomes separate cell, and reliability is high.
The present embodiment can improve battery pack and can remain each separate list in battery pack in use
Body battery is sequentially connected in series and become together series-connected cell, easily carries out charge and discharge to the battery pack from electricity consumption supply module automatically controlled
System, reliability is high.
The embodiments of the present invention above in conjunction with Description of Drawings, but do not limited by above-described embodiment when realizing, this area
Those of ordinary skill can within the scope of the appended claims make a variety of changes or change.
Claims (6)
1. combination switch, it is characterised in that including a node (701), No. two nodes (702), node Msa, node Mb, inductance
La, electric capacity Ca, electric capacity C2, diode D1, diode D2, diode D3, diode D4, photoelectrical coupler OPT, resistance R0, resistance
R1, resistance R2, switching switch Ka, Magnetic driving electric power road (502), silicon drive circuit (503), from electricity consumption supply module (901), connect
Ground terminal SGND and the controller (107) containing pulse counter (805)；The switching switch KaIncluding reverse-blocking tetrode thyristor KbAnd magnetic
Guard relay switchs Kc, the photoelectrical coupler OPT include light emitting diode D5With phototriode Q0；The controllable silicon is opened
Close KbOne end and magnetic latching relay switch KcOne end be connected with a node respectively, the reverse-blocking tetrode thyristor KbIt is another
End, one end of resistance R1 and inductance LaOne end respectively with node MaConnection, the inductance LaThe other end, magnetic latching relay
Switch KcThe other end, one end of resistance R2 and electric capacity CaOne end respectively with node MbConnection, the electric capacity CaThe other end connect
It is connected on No. two nodes, the other end and the electric capacity C of resistance R12One end connection, the diode D1Positive terminal and diode D3
Negative pole end be connected to electric capacity C2The other end on, the diode D2Positive terminal and diode D4Negative pole end difference
It is connected to resistance R2The other end on, the diode D1Negative pole end and diode D2Negative pole end be connected to luminous two
Pole pipe D5Positive terminal on, the diode D3Positive terminal and diode D4Positive terminal be connected to light emitting diode D5
Negative pole end on, the phototriode Q0Collector terminal respectively with resistance R0One end and controller connection, described photosensitive three
Pole pipe Q0Emitter stage be connected with signal ground end SGND, it is described from electricity consumption supply module respectively with resistance R0The other end, magnetic drive
Dynamic circuit, silicon drive circuit and controller connection, the silicon drive circuit respectively with reverse-blocking tetrode thyristor KbControl end and control
Device connects, and the Magnetic driving circuit switchs K with magnetic latching relay respectivelycControl end and controller connection；
From electricity consumption supply module include battery connection module, can be sequentially connected in series by several separate cells and
Into battery pack；Also include charger equal with cell number respectively, switching switch and current limliting from electricity consumption supply module
Module；Battery connection module includes the bulk charging bindiny mechanism equal with cell number；In each bulk charging bindiny mechanism
On be respectively equipped with bulk voltage detection chip；One-to-one each the switching switch that is connected to of the power output end of each charger selects end
A terminals on；The turning end of each switching switch is one-to-one to be connected on one end of current limliting module, each current limliting module
The other end one-to-one be connected in the bulk charging bindiny mechanism of battery connection module；Battery connection module is connected to battery pack
On, the control end of the battery connection module, each bulk voltage detection chip, the control end of each current limliting module and each switching
The control end of switch is connected respectively with controller；And under the control of the controller, when not charging for battery pack, battery connection mode
Each separate cell in battery pack can be sequentially connected in series and become together series-connected cell by block, when for battery pack
During charging, the series-connected cell being sequentially connected in series in battery pack together can be become separate monomer by battery connection module
Battery；
The power input of each charger and the power input of controller are conductively connected in an energization priority control machine
On structure, and energization priority controlling organization is first powered to controller when upper electric, and charger energization is then given again；Lead to when lower electric
Electric priority controlling organization first allows charger power-off, then allows controller power-off again.
2. combination switch according to claim 1, it is characterised in that also include the memory (106) being connected with controller.
3. combination switch according to claim 1, it is characterised in that also include the display (504) being connected with controller.
4. combination switch according to claim 1, it is characterised in that the inductance LaInductance be 70-75 it is prosperous.
5. combination switch according to claim 1, it is characterised in that also include the alarm (507) being connected with controller.
6. itself switching fault judgment method of a kind of combination switch suitable for described in claim 1, it is characterised in that
Itself switching failure of combination switch includes reverse-blocking tetrode thyristor KbCannot conducting failure, magnetic latching relay switch Kc's
Failure, magnetic latching relay switch K cannot be closedcCannot disconnect failure and reverse-blocking tetrode thyristor KbCannot turn off failure, because
This, itself switching fault judgment method of combination switch includes：
(2-1) reverse-blocking tetrode thyristor K is judgedbFor cannot the method for conducting failure be：
When combination switch is put into, it is assumed that reverse-blocking tetrode thyristor KbIt is off state, and magnetic latching relay switch KcIt is also at disconnected
On the premise of open state,
(2-1-1) first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controller waits reverse-blocking tetrode thyristor KbFortune
The start pulse signal that row detection circuit is returned, and carried out triggering trigger pulse with the pulse counter of controller and count, when prolonging
When setting time after, if the trigger pulse number that receives of controller is more than setting number, you can think the reverse-blocking tetrode thyristor
KbEnergy normally, if when the trigger pulse number that controller is received is less than setting number,
(2-1-2) again from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, and pulse counter is reset, prolonged again
When setting time after, if the trigger pulse number that receives of controller is still less than setting number, you can judge that the controllable silicon is opened
Close KbFor cannot conducting failure；
(2-2) judge that magnetic latching relay switchs KcMethod to close failure is：
When combination switch is put into, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbIt is in the conduction state and
Magnetic latching relay switchs KcOn the premise of being off,
(2-2-1) it is first to switch K from controller to magnetic latching relaycClosure control signal is sent, and pulse counter is reset,
After the delay adjustmentses time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than setting number when,
(2-2-2) again from controller to magnetic latching relay switch KcDisconnection control signal is sent, and pulse counter is reset,
Again after the delay adjustmentses time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than also set number when,
(2-2-3) again from controller to magnetic latching relay switch KcClosure control signal is sent, and pulse counter is clear
Zero, again after the delay adjustmentses time, if now controller receives reverse-blocking tetrode thyristor KbTrigger pulse count still greater than setting
When determining number, you can judge magnetic latching relay switch KcFor failure cannot be closed；
(2-3) judge that magnetic latching relay switchs KcMethod to disconnect failure is：
When combination switch is cut off, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbBe off and
Magnetic latching relay switchs KcOn the premise of being in closure state,
(2-3-1) first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent by reverse-blocking tetrode thyristor KbTurn on, and time delay sets
Fix time and allow reverse-blocking tetrode thyristor KbAfter reliable conducting, and K is switched from controller to magnetic latching relaycDisconnection control signal is sent,
And reset pulse counter, after waiting setting time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number it is little
When number is set；
(2-3-2) again from controller to magnetic latching relay switch KcDisconnection control signal is sent, and pulse counter is reset,
After again waiting for setting time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number still less than setting number when,
Can determine whether that magnetic latching relay switchs KcFor failure cannot be disconnected；
(2-4) reverse-blocking tetrode thyristor K is judgedbMethod to turn off failure is：
When combination switch is cut off, it is assumed that magnetic latching relay switchs KcCan normally disconnect, and magnetic latching relay switch KcLocate
In off-state and reverse-blocking tetrode thyristor KbOn the premise of also in conducting state,
(2-4-1) first from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, time delay sets
After fixing time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number more than setting number when；
(2-4-2) again from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, prolonged again
When setting time after, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number still greater than setting number when, you can sentence
Disconnected reverse-blocking tetrode thyristor KbFor failure cannot be turned off.
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| CN201710029781.0A CN106646215B (en) | 2017-01-12 | 2017-01-12 | Combination switch and its own switching fault judgment method |
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| CN201710029781.0A CN106646215B (en) | 2017-01-12 | 2017-01-12 | Combination switch and its own switching fault judgment method |
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| CN107492897A (en) * | 2017-06-16 | 2017-12-19 | 浙江华云信息科技有限公司 | Synchro switch action delay tracking system and method for work for intelligent capacitor |
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| CN106646215B (en) | 2019-07-02 |
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