CN206401943U - It is a kind of to detect the combination switch of faults itself - Google Patents
It is a kind of to detect the combination switch of faults itself Download PDFInfo
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- CN206401943U CN206401943U CN201720048448.XU CN201720048448U CN206401943U CN 206401943 U CN206401943 U CN 206401943U CN 201720048448 U CN201720048448 U CN 201720048448U CN 206401943 U CN206401943 U CN 206401943U
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Abstract
The combination switch of faults itself can be detected the utility model discloses a kind of, is related to switching technique field, the combination switch can detect itself switching failure, can accurately detect again during alternating current voltage zero crossing and switching can be carried out.Reverse-blocking tetrode thyristor Kb one end and magnetic latching relay switch Kc one end are connected with a node respectively, the reverse-blocking tetrode thyristor Kb other end and inductance La one end are connected with node M a respectively, one end of the inductance La other end and No. six switches is connected with node M b respectively, magnetic latching relay switchs the Kc other end, the other end and No. two other ends switched of a number switch are connected with node M c respectively, electric capacity C2 one end, the other end of No. four switches, diode D1 positive terminal and diode D3 negative pole end are connected with node M d respectively, silicon drive circuit is connected with reverse-blocking tetrode thyristor Kb control end and controller respectively, the control end and controller that Magnetic driving circuit switchs Kc with magnetic latching relay respectively are connected.
Description
Technical field
The utility model is related to switching technique field, and in particular to a kind of to detect the combination switch of faults itself.
Background technology
The existing switch being connected in alternating current circuit typically can not all detect the switching failure of itself, occur when switching itself
When closure or the switching failure disconnected, existing switch can not all 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 disconnected, therefore designs and a kind of can detect opening for itself switching failure
Pass seems very necessary.
Utility model content
The utility model is can not to detect that the not enough of itself switching failure can intelligence there is provided one kind to solve existing switch
Automatic detection itself switching failure, simple in construction, intelligence degree is high, safe and reliable, easily to the battery from electricity consumption power supply module
Group, which carries out a kind of of charge and discharge control, can detect the combination switch of faults itself.
To achieve these goals, the utility model uses following technical scheme：
It is a kind of to detect the combination switch of faults itself, including node, No. two nodes, a 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, silicon drive circuit, from electricity consumption power supply module, earth terminal SGND and contain arteries and veins
Rush the controller of counter；The switching switch KaIncluding reverse-blocking tetrode thyristor KbK is switched with magnetic latching relayc, the photoelectricity coupling
Clutch OPT includes light emitting diode D5With phototriode Q0；The reverse-blocking tetrode thyristor KbOne end and magnetic latching relay switch
KcOne end be connected respectively with a node, 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 KcThe other end, resistance R2 one end and
Electric capacity CaOne end respectively with node MbConnection, the electric capacity CaThe other end be connected on No. two nodes, the resistance R1 other end
With electric capacity C2One end connection, the diode D1Positive terminal and diode D3Negative pole end be connected to electric capacity C2It is another
On one end, the diode D2Positive terminal and diode D4Negative pole end be connected to resistance R2The other end on, described two
Pole pipe D1Negative pole end and diode D2Negative pole end be connected to light emitting diode D5Positive terminal on, the diode D3
Positive terminal and diode D4Positive terminal be connected to light emitting diode D5Negative pole end on, the phototriode Q0's
Collector terminal respectively with resistance R0One end and controller connection, the phototriode Q0Emitter stage and signal ground end
SGND connections, it is described from electricity consumption power supply module respectively with resistance R0The other end, Magnetic driving circuit, silicon drive circuit and controller
Connection, the silicon drive circuit respectively with reverse-blocking tetrode thyristor KbControl end and controller connection, Magnetic driving circuit difference
K is switched with magnetic latching relaycControl end and controller connection；Include controller, battery connection mould from electricity consumption power supply module
Block, the battery pack that can be connected together in series by several separate cells；Also include from electricity consumption power supply module
The charger equal with cell number, switching are switched and current limliting module respectively；Battery connection module includes and cell
The equal bulk charging bindiny mechanism of number；Bulk voltage detection chip is respectively equipped with each bulk charging bindiny mechanism；Each fill
The power output end of electrical equipment is one-to-one to be connected on a terminals at each switching switch selection end；Turn of each switching switch
Moved end is one-to-one to be connected on one end of current limliting module, and the other end of each current limliting module is one-to-one to be connected to battery connection module
Bulk charging bindiny mechanism on；Battery connection module is connected on the battery pack, the control end of the battery connection module, every individual
The control end of voltage checking chip, the control end of each current limliting module and each switching switch is connected with controller respectively；And
Under the control of controller, when not being battery pack charging, battery connection module can be by each separate monomer in battery pack
Battery is sequentially connected in series becomes series-connected cell together, when being charged for battery pack, and battery connection module can be by battery pack
The series-connected cell being sequentially connected in series together becomes separate cell.
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.
The combination switch fault self-checking principle of this programme is as follows：
When needing switching combination switch, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting.Electric current is through 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
Power supply module and earth terminal SGND together form reverse-blocking tetrode thyristor KbOperation detecting circuit.Reverse-blocking tetrode thyristor is flowed through in electric current
KbWhen reverse-blocking tetrode thyristor KbOperation detecting circuit can produce start pulse signal, keep after certain time, controller is protected to magnetic
Hold relay switch KcClosure control signal is sent, magnetic latching relay is switched 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, makes reverse-blocking tetrode thyristor KbDisconnect, by
Magnetic latching relay switchs KcKeep current supply circuit work.
When needing excision combination switch, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting, kept after certain time, and controller switchs K to magnetic latching relaycDisconnection control signal is sent, magnetic keeps relay
Device switchs KcThen turn off, now, controllable silicon operation detecting circuit there will be trigger pulse appearance.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 can carry out self fault detect during switch motion, and without compound
The instrument of detection failure is set in addition in switch, so that the structure of combination switch is simpler, small volume, structure is reliable, into
This is cheap, reduces switching unsuccessful potential safety hazard when combination switch is used.
The combination switch of this programme itself switching failure includes reverse-blocking tetrode thyristor KbCan not conducting failure, magnetic keep relay
Device switchs KcCan not close failure, magnetic latching relay switch KcCan not disconnect failure and reverse-blocking tetrode thyristor KbCan not close
Disconnected failure.Therefore, judging the method for combination switch itself switching failure includes：
(2-1) judges reverse-blocking tetrode thyristor KbFor can not the method for conducting failure be：
When putting into combination switch, 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) is first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controller waits reverse-blocking tetrode thyristor Kb
The start pulse signal that returns of operation detecting circuit, and carries out with the pulse counter of controller triggering trigger pulse counting,
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 the trigger pulse number that controller is received is less than setting number,
(2-1-2) is 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 can not conducting failure.
(2-2) judges that magnetic latching relay switchs KcIt is for the method that can not close failure：
When putting into combination switch, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbIt has been on shape
State and magnetic latching relay switch KcOn the premise of being off,
(2-2-1) first switchs 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 be more than setting number when,
(2-2-2) switchs K from controller to magnetic latching relay againcSend disconnection control signal, and by pulse counter
Reset, then after the delay adjustmentses time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than also set number
When,
(2-2-3) switchs K from controller to magnetic latching relay againcSend closure control signal, and by step-by-step counting
Device is reset, 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 that the magnetic latching relay switchs KcFor failure can not be closed.
(2-3) judges that magnetic latching relay switchs KcIt is for the method that can not disconnect failure：
When cutting off combination switch, 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) is 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, wait after setting time, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse
When number is less than setting number；
(2-3-2) switchs K from controller to magnetic latching relay againcSend disconnection control signal, and by pulse counter
Reset, again wait for after 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 can not be disconnected.
(2-4) judges reverse-blocking tetrode thyristor KbIt is for the method that can not turn off failure：
When cutting off combination switch, it is assumed that magnetic latching relay switchs KcCan normally it 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) is first from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, is prolonged
When setting time after, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than setting number when；
(2-4-2) is 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.,
It can determine whether reverse-blocking tetrode thyristor KbFor failure can not be turned off.
The combination switch of this programme can carry out the intellectualized detection of combination switch itself switching failure, in time user can be allowed to know
Whether road combination switch occurs in that failure, is easy to replacing in time, simple in construction, reliability is high, and security is good, easily to being supplied from electricity consumption
The battery pack of electric module carries out charge and discharge control.
Preferably, also including the memory being connected with controller.Memory can store live wire C voltage over zero
At time point, it 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 LaInductance is used for the high-frequency inductor of tens microhenrys, greatly
Improve reverse-blocking tetrode thyristor K greatlybIn the effect of the suppression dash current of conducting moment, reliability is higher.
Preferably, also including the alarm being connected with controller.Controlled after combination switch itself switching breaks down
Device sends alarm command to alarm, and alarm sends alarm sound immediately, is easy to user to change combination switch in time.
The utility model can reach following effect：
Combination switch energy autonomous detection itself switching failure of the present utility model, intelligence degree is high, can examine automatically
Itself switching failure is surveyed, can let the user know that whether combination switch occurs in that failure in time, is easy to replacing in time, it is simple in construction,
Reliability is high, and security is good, easily to carrying out charge and discharge control from the battery pack of electricity consumption power supply module.
Brief description of the drawings
Fig. 1 is a kind of circuit theory attachment structure schematic diagram of the utility model embodiment from electricity consumption power supply module.
Fig. 2 is that the utility model embodiment upper electromagnet from a bulk charging bindiny mechanism of electricity consumption power supply module is compressed
A kind of attachment structure schematic diagram when on lower electromagnet.
Fig. 3 is that the utility model embodiment upper electromagnet from a bulk charging bindiny mechanism of electricity consumption power supply module does not have
It is pressed in a kind of attachment structure schematic diagram when on lower electromagnet.
Fig. 4 is the utility model embodiment from charger and microcontroller at the energization priority controlling organization of electricity consumption power supply module
A kind of use state attachment structure schematic diagram when device is all also not upper electric.
Fig. 5 be the utility model embodiment from the energization priority controlling organization of electricity consumption power supply module be in upper electric when, only
A kind of use state attachment structure schematic diagram when the power input positive pole of microcontroller has been powered on.
Fig. 6 be the utility model embodiment from the energization priority controlling organization of electricity consumption power supply module be in upper electric when, only
The power input positive pole of microcontroller switch on power when power supply is also had been turned on the power input negative pole of microcontroller one
Plant use state attachment structure schematic diagram.
Fig. 7 be the utility model embodiment from the energization priority controlling organization of electricity consumption power supply module be in upper electric when, only
The power input positive pole of microcontroller switches on power, the power input negative pole of microcontroller also has been turned on power supply and charger
A kind of use state attachment structure schematic diagram of power input positive pole when also having been turned on power supply.
Fig. 8 be the utility model embodiment from the energization priority controlling organization of electricity consumption power supply module be in upper electric when, 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, charger
A kind of use state when the power input negative pole that source input anode also has been turned on power supply and charger also has been turned on power supply
Attachment structure schematic diagram.
Fig. 9 is a kind of circuit theory attachment structure schematic diagram of the present utility model.
Figure 10 is a kind of waveform diagram of the present utility model.
Figure 11 is that a kind of circuit theory that the present embodiment is connected from each part of electricity consumption power supply module with controller is connected
Structural schematic block diagram.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：It is a kind of to detect the combination switch of faults itself, it is shown in Figure 9, including node 701, No. two
Node 702, node Ma, 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 power supply module 901, earth terminal SGND and the controller 107 containing pulse counter 805；The switching switch KaIncluding can
Control transwitch KbK is switched with magnetic latching relayc, the photoelectrical coupler OPT include light emitting diode D5And phototriode
Q0；The reverse-blocking tetrode thyristor KbOne end and magnetic latching relay switch KcOne end be connected respectively with a node, it is described controllable
Transwitch KbThe other end, resistance R1 one end and inductance LaOne end respectively with node MaConnection, the inductance LaIt is another
End, magnetic latching relay switch KcThe other end, resistance R2 one end and electric capacity CaOne end respectively with node MbConnection, it is described
Electric capacity CaThe other end be connected on No. two nodes, the resistance R1 other end and electric capacity C2One end connection, the diode D1's
Positive terminal and diode D3Negative pole end be connected to electric capacity C2The other end on, the diode D2Positive terminal and two poles
Pipe D4Negative pole end be connected to resistance R2The other end on, the diode D1Negative pole end and diode D2Negative pole end
It is connected to light emitting diode D5Positive terminal on, the diode D3Positive terminal and diode D4Positive terminal connect respectively
It is connected on light emitting diode D5Negative pole end on, the phototriode Q0Collector terminal respectively with resistance R0One end and control
Device is connected, the phototriode Q0Emitter stage be connected with signal ground end SGND, it is described from electricity consumption power supply module respectively with
Resistance R0The other end, Magnetic driving circuit, silicon drive circuit and controller connection, the silicon drive circuit opens with controllable silicon respectively
Close KbControl end and controller connection, the Magnetic driving circuit respectively with magnetic latching relay switch KcControl end and control
Device is connected.Inductance LaInductance be 70-75 microhenrys.
Referring to shown in Fig. 1, Figure 11, include battery connection module t22 from electricity consumption power supply module, can be separate by several
The battery pack t26 that is connected together in series of cell；From electricity consumption power supply module also include respectively with cell number
Equal charger, switching switch and current limliting module；Battery connection module includes the bulk charging equal with cell number and connected
Connection mechanism；Bulk voltage detection chip t101 is respectively equipped with each bulk charging bindiny mechanism；The power supply output of each charger
End is one-to-one to be connected on a terminals at each switching switch selection 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 is connected on the battery pack, the control end of the battery connection module t22, each bulk voltage detection core
Piece t101, the control end of each current limliting module and each switching switch control end are connected with controller respectively；And in controller
Control under, when not be battery pack charge when, battery connection module can by each separate cell in battery pack according to
Secondary be connected in series becomes series-connected cell, when being charged for battery pack, and battery connection module will can successively go here and there in battery pack
Join the series-connected cell linked together and become 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 cells 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 it is respectively a bulk charging bindiny mechanism t12, No. two bulk charging connections to set these three bulk charging bindiny mechanisms
Mechanism t13 and No. three bulk charging bindiny mechanism t14；It is double that battery connection module also includes group power output interface t15, a hilted broadsword
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) are 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 touch
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, when battery pack there is not charging, No. two of No. two contacts of a number single-pole double-throw switch (SPDT) and 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. one 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 number contact of a number single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack there is not charging
A contact be in off-state；The single knife switch is off when battery pack charges, and is not filled in battery pack
Closure state is in when electric.
Referring to shown in Fig. 2, Fig. 3, each bulk charging bindiny mechanism includes sliding chamber t29, the lower horizontal block t30 of insulation, insulate and slide
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 intracavitary, and the lower horizontal block of insulation is fixedly installed on insulation
Horizontal block is fixedly installed on the cunning intracavitary above insulated slide block, activity horizontal block activity cloth in cunning intracavitary below sliding shoe, insulation
The cunning intracavitary above horizontal block in insulation is put, 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 are arranged on the upper surface of the lower horizontal block of insulation, 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 insulation, upper electromagnet is provided with activity horizontal block
T33, and the electric electromagnetic force produced attracts each other when the electromagnetic force produced during the energization of upper electromagnet and logical lower electromagnet, and upper electricity
The electromagnetic force that magnet is produced when being powered can promote insulated slide block after being attracted 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
Energization priority controlling organization first gives controller to be powered on an energization priority controlling organization t75, and when upper electric, Ran Houzai
It is powered to charger；Energization priority controlling organization first allows charger to power off when lower electric, then allows controller to power off again.
Referring to shown in Fig. 4-Fig. 8, energization priority controlling organization include the sealed insulation tube t62 of right-hand member, insulation bearing piece t64,
Insulated slide bar t63 and handle t61, insulation bearing piece is fixed on t66 in insulation tube, and slide opening t65 is transversely provided with insulation bearing piece,
Insulated slide bar is slidably arranged in sliding block, and handle is fixedly connected on the left end of insulated slide bar；Under the inner tubal wall of insulation tube
A positive terminal termination t71, negative terminal termination t72, No. two positive poles are from left to right fixed with bottom surface successively to connect
End t73 and No. two negative terminal termination t74, and higher than No. one negative terminal termination of height of a positive 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
Height height it is high higher than the height of No. two negative terminal terminations；From a left side on the lower surface of the insulated slide bar of insulation bearing piece 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 is moved to setting position, No. three positive terminal terminations, which can be compressed, leads
It is connected electrically on a positive terminal termination, No. three negative terminal terminations, which can be compressed, to be conductively connected a negative terminal termination
On, No. four positive terminal terminations, which can be compressed, to be conductively connected on No. two positive terminal terminations, and No. four negative terminal terminations can be compressed
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 needing switching combination switch, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting.Electric current is through 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
Power supply module and earth terminal SGND together form reverse-blocking tetrode thyristor KbOperation detecting circuit 501.Controllable silicon is flowed through in electric current
Switch KbWhen reverse-blocking tetrode thyristor KbOperation detecting circuit can produce start pulse signal, keep after certain time, controller to
Magnetic latching relay switchs KcClosure control signal is sent, magnetic latching relay is switched 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, makes reverse-blocking tetrode thyristor KbIt is disconnected
Open, K is switched by magnetic latching relaycKeep current supply circuit work.
When needing excision combination switch, controller is to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controllable silicon is opened
Close KbConducting, kept after certain time, and controller switchs K to magnetic latching relaycDisconnection control signal is sent, magnetic keeps relay
Device switchs KcThen turn off, now, controllable silicon operation detecting circuit there will be trigger pulse appearance.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 can carry out self fault detect during switch motion, and without 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 is reliable,
It is with low cost, reduce switching unsuccessful potential safety hazard when combination switch is used.
The combination switch of the present embodiment itself switching failure includes reverse-blocking tetrode thyristor KbCan not conducting failure, magnetic keep after
Electric switch KcCan not close failure, magnetic latching relay switch KcCan not disconnect failure and reverse-blocking tetrode thyristor KbCan not
Turn off failure.Therefore, judging the method for combination switch itself switching failure includes：
(2-1) judges reverse-blocking tetrode thyristor KbFor can not the method for conducting failure be：
When putting into combination switch, 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) is first from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, controller waits reverse-blocking tetrode thyristor Kb
The start pulse signal that returns of operation detecting circuit, and carries out with the pulse counter of controller triggering trigger pulse counting,
After 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) is again from controller to reverse-blocking tetrode thyristor KbConductivity control signal is sent, and pulse counter is reset, then
After secondary 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
Can not conducting failure.
(2-2) judges that magnetic latching relay switchs KcIt is for the method that can not close failure：
When putting into combination switch, it is assumed that reverse-blocking tetrode thyristor KbEnergy normally, and reverse-blocking tetrode thyristor KbIt has been on shape
State and magnetic latching relay switch KcOn the premise of being off,
(2-2-1) first switchs K from controller to magnetic latching relaycSend closure control signal, and by pulse counter
Reset, after delay 0.6s, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than 20 when,
(2-2-2) switchs K from controller to magnetic latching relay againcSend disconnection control signal, and by pulse counter
Reset, then be delayed after the 0.6s times, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than also 20 when,
(2-2-3) switchs K from controller to magnetic latching relay againcSend closure control signal, and by step-by-step counting
Device is reset, and is delayed again after 0.6s, if now controller receives reverse-blocking tetrode thyristor KbTrigger pulse count still greater than 20
When individual, you can judge that the magnetic latching relay switchs KcFor failure can not be closed.
(2-3) judges that magnetic latching relay switchs KcIt is for the method that can not disconnect failure：
When cutting off combination switch, 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) is 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 thyristors KbReliable conducting, and switch K from controller to magnetic latching relaycDisconnection control signal is sent,
And reset pulse counter, wait after 0.6s, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be less than 20
When individual；
(2-3-2) switchs K from controller to magnetic latching relay againcSend disconnection control signal, and by pulse counter
Reset, again wait for after 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 can not be disconnected.
(2-4) judges reverse-blocking tetrode thyristor KbIt is for the method that can not turn off failure：
When cutting off combination switch, it is assumed that magnetic latching relay switchs KcCan normally it 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) is first from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, is prolonged
When 0.2s after, if controller receives reverse-blocking tetrode thyristor KbTrigger pulse number be more than 5 when；
(2-4-2) is again from controller to reverse-blocking tetrode thyristor KbShut-off control signal is sent, and pulse counter is reset, then
After secondary 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 can not be turned off.
Figure 10 is a kind of waveform diagram of the present utility model.(a) reverse-blocking tetrode thyristor K is flowed throughbCurrent waveform schematic diagram,
(a) reverse-blocking tetrode thyristor K is flowed throughbOperation detecting circuit on the trigger waveform schematic diagram that produces.
Combination switch energy autonomous detection itself the switching failure of the present embodiment, intelligence degree is high, can automatic detection
Itself switching failure, can let the user know that whether combination switch occurs in that failure in time, be easy to replacing in time, simple in construction, 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 can so fully ensure that when charger is powered, be separate between each cell
, charging would not be impacted between each cell.
The present embodiment is in charging, and voltage checking chip can carry out voltage detecting to corresponding cell.When some list
Body battery can reduce charging current when being full of by current limliting module, and current limliting can be passed through when some cell is not full of far also
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 single
The voltage of body battery can disconnect charge power supply when identical.Or when each cell and underfill and each cell
Voltage it is identical when can also disconnect charge power supply.So allow cell connect after, 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 can select different chargers to some cell.The cooperation of switching switch and current limliting module can be needed preferably
The cell to be charged provides charging current and charging voltage in real time, 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 in charging process by temperature
Surveying mechanism can detect to the temperature of cell, and can carry out overheat protector control to cell in 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 cell chargings, and not be battery pack
Each separate cell in battery pack can be sequentially connected in series during charging and become series-connected cell together, for electricity
The series-connected cell being sequentially connected in series in battery pack together can be become separate cell during the group charging of pond, 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 in 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 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 pack that the battery connection module of the present embodiment can allow well can be by each is separate in battery pack when charging
Cell be sequentially connected in series and become series-connected cell together, will can be sequentially connected in series when being charged for battery pack in battery pack
The series-connected cell linked together becomes separate cell, and reliability is high.
The present embodiment can improve battery pack can remain each separate list in battery pack in use
Body battery is sequentially connected in series becomes series-connected cell together, easily automatically controlled to carrying out charge and discharge from the battery pack of electricity consumption power supply module
System, reliability is high.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but is not limited when realizing by above-described embodiment, this
Field those of ordinary skill can make a variety of changes or change within the scope of the appended claims.
Claims (5)
1. a kind of can detect the combination switch of faults itself, it is characterised in that including a node (701), No. two nodes
(702), node Ma, node Mb, inductance La, electric capacity Ca, electric capacity C2, diode D1, diode D2, diode D3, diode D4, light
Electric coupler OPT, resistance R0, resistance R1, resistance R2, switching switch Ka, Magnetic driving electric power road (502), silicon drive circuit (503),
Controller (107) from electricity consumption power supply module (901), earth terminal SGND and containing pulse counter (805)；The switching switch
KaIncluding reverse-blocking tetrode thyristor KbK is switched with magnetic latching relayc, the photoelectrical coupler OPT include light emitting diode D5With it is photosensitive
Triode Q0；The reverse-blocking tetrode thyristor KbOne end and magnetic latching relay switch KcOne end be connected respectively with a node, institute
State reverse-blocking tetrode thyristor KbThe other end, resistance R1 one end and inductance LaOne end respectively with node MaConnection, the inductance La's
The other end, magnetic latching relay switch KcThe other end, resistance R2 one end and electric capacity CaOne end respectively with node MbConnection,
The electric capacity CaThe other end be connected on No. two nodes, the resistance R1 other end 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 D2Positive terminal and
Diode D4Negative pole end be connected to resistance R2The other end on, the diode D1Negative pole end and diode D2It is negative
Extremely it is connected to light emitting diode D5Positive terminal on, the diode D3Positive terminal and diode D4Positive terminal point
Light emitting diode D is not connected to5Negative pole end on, the phototriode Q0Collector terminal respectively with resistance R0One end and
Controller is connected, the phototriode Q0Emitter stage be connected with signal ground end SGND, it is described from electricity consumption power supply module point
Not with resistance R0The other end, Magnetic driving circuit, silicon drive circuit and controller connection, the silicon drive circuit respectively with it is controllable
Transwitch KbControl end and controller connection, the Magnetic driving circuit respectively with magnetic latching relay switch KcControl end and
Controller is connected；From electricity consumption power supply module include controller, battery connection module, can be by several separate cells
The battery pack being connected together in series；Also include from electricity consumption power supply module respectively the charger equal with cell number,
Switching switch and current limliting module；Battery connection module includes the bulk charging bindiny mechanism equal with cell number；Each
Bulk voltage detection chip is respectively equipped with bulk charging bindiny mechanism；The power output end of each charger is one-to-one be connected to it is each
On one terminals at switching switch selection end；One-to-one one end for being connected to current limliting module of turning end of each switching switch
On, the other end of each current limliting module is one-to-one to be connected in the bulk charging bindiny mechanism of battery connection module；Battery connects mould
Block is connected on the battery pack, the control end of the battery connection module, each bulk voltage detection chip, the control of each current limliting module
The control end of end processed and each switching switch is connected with controller respectively；And under the control of the controller, when not filled for battery pack
When electric, each separate cell in battery pack can be sequentially connected in series by battery connection module becomes series connection together
Battery, when being charged for battery pack, battery connection module can become the series-connected cell being sequentially connected in series in battery pack together
Into separate cell.
A kind of can detect the combination switch of faults itself 2. according to claim 1, it is characterised in that also including with control
The memory (106) of device connection.
A kind of can detect the combination switch of faults itself 3. according to claim 1, it is characterised in that also including with control
The display (504) of device connection.
4. a kind of the combination switch of faults itself can be detected according to claim 1, it is characterised in that the inductance La's
Inductance is 70-75 prosperous.
A kind of can detect the combination switch of faults itself 5. according to claim 1, it is characterised in that also including with control
The alarm (507) of device connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720048448.XU CN206401943U (en) | 2017-01-12 | 2017-01-12 | It is a kind of to detect the combination switch of faults itself |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720048448.XU CN206401943U (en) | 2017-01-12 | 2017-01-12 | It is a kind of to detect the combination switch of faults itself |
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| Publication Number | Publication Date |
|---|---|
| CN206401943U true CN206401943U (en) | 2017-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113705A (en) * | 2021-11-23 | 2022-03-01 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
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2017
- 2017-01-12 CN CN201720048448.XU patent/CN206401943U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113705A (en) * | 2021-11-23 | 2022-03-01 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
| CN114113705B (en) * | 2021-11-23 | 2023-09-22 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
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