CN207114679U - Contact sequencing device - Google Patents
Contact sequencing device Download PDFInfo
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- CN207114679U CN207114679U CN201720856665.1U CN201720856665U CN207114679U CN 207114679 U CN207114679 U CN 207114679U CN 201720856665 U CN201720856665 U CN 201720856665U CN 207114679 U CN207114679 U CN 207114679U
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- 238000012163 sequencing technique Methods 0.000 title claims abstract description 81
- 230000007423 decrease Effects 0.000 claims abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model is on a kind of contact sequencing device, is related to automatization testing technique field.The technical scheme mainly used for：A kind of contact sequencing device, it includes：Common port binding post and N number of binding post, sequencing circuit and display module；Common port binding post is used for the public connecting end for connecting breaker, and the first binding post of N number of binding post is used to be connected with the M alarm tie point that breaker is alarmed successively during driving pressure decline successively to N binding posts；Display module is connected with the first logic circuit output end to N logic circuit output ends respectively, for showing the first logic circuit to the connection order of N logic circuits；Wherein, N is the positive integer more than or equal to 3, and M is the positive integer for being less than or equal to N more than or equal to 2.Contact sequencing device provided by the utility model, it can automatically, quickly the order of connection of the alarm contact to hydraulic high-pressure breaker be sequenced.
Description
Technical field
Automatization testing technique field is the utility model is related to, more particularly to a kind of contact sequencing device.
Background technology
Breaker is a kind of switch for cutting off circuit, connection load circuit and disengagement failure circuit, and it can prevent
Only fault spread, ensure safe operation, so breaker is widely used, especially in transformer station, can often use high pressure
Breaker ensures the safe operation of transformer station.
Wherein, primary cut-out has diversified forms, and the primary cut-out of hydraulic type is more common one kind, for hydraulic pressure
The primary cut-out of form, only meet during certain hydraulic pressure primary cut-out can normal work, so its own
The alarm contact of multiple different pressures is provided with, as lock-reclosing lock tie point, locking combined floodgate tie point and locking separating brake connect
Point etc., above-mentioned alarm contact can be sequentially connected during hydraulic pressure constantly declines, and then realize warning function, be prompted
Staff is repaired or changed, so during newly-built converting station debugging, primary cut-out must be carried out
The monomer detection of its own signal, has been prevented because of primary cut-out internal alarm contact connecting staggered, and the alarm for producing mistake refers to
Show, mislead the operation that staff carries out mistake, prevent contingency.
But the test to each alarm contact of hydraulic high-pressure breaker is all manual operation in the prior art, is
The hydraulic pressure that supply primary cut-out is gradually reduced by staff is tested above-mentioned alarm contact, test process
Time is grown, test process trivial operations, and efficiency is low.
Utility model content
Main purpose of the present utility model is, there is provided a kind of contact sequencing device of new structure, skill to be solved
Art problem is can automatically, quickly the order of connection of the alarm contact to hydraulic high-pressure breaker be sequenced.
The purpose of this utility model and solves its technical problem using following technical scheme to realize.According to this practicality
A kind of contact sequencing device of new proposition, it includes：
Common port binding post and N number of binding post, the common port binding post are used for the public connecting end for connecting breaker, institute
The first binding post of N number of binding post is stated to N binding posts, is used to report successively during driving pressure decline with breaker successively
M alert alarm tie point connection；
Circuit is sequenced, the sequencing circuit includes N bar logic circuits, and every logic circuit includes N bar branch roads, described in N bars
The first logic circuit input connects with the first binding post to N binding posts successively to N logic circuits input in logic circuit
Connect, every branch road is provided with relay, and the relay includes N number of normally closed switch and at least one normal open switch；
Display module, the display module are connected with the first logic circuit output end to N logic circuit output ends respectively,
For showing the first logic circuit to the connection order of N logic circuits；
Wherein, the relay input of the first logic circuit tie point is connected with the first binding post, and described first
One normally closed switch of the relay of logic circuit tie point is arranged on the second branch input of the first logic circuit, described
N-1 normally closed switch of the relay of the first logic circuit tie point is separately positioned in the second logic circuit tie point and arrived
In N logic circuit tie points, the first logic circuit N-1 branch roads, the first logic electricity are extrapolated to this connected mode
The N branch inputs on road are connected with a normally closed switch of the relay of the first logic circuit N-1 branch roads, and described
The normal open switch of the normal open switch of the relay of one logic circuit tie point to the relay of N branch roads forms the first logic electricity
The output end on road；
Also, the second logic circuit is configured to N logic circuits according to the logical course of first logic circuit；
Wherein, N is the positive integer more than or equal to 3, and M is the positive integer for being less than or equal to N more than or equal to 2.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
Preferably, foregoing contact sequencing device, wherein the quantity of the binding post is 4, the of 4 binding posts
One binding post is used to be connected with the lock-reclosing lock of breaker alarm tie point, and the second binding post is used for the closed bite with breaker
Lock alarm tie point connection, the 3rd binding post are used to be connected with the first locking separating brake of breaker alarm tie point, the 4th wiring
Post is used to be connected with the second locking separating brake of breaker alarm tie point.
Preferably, foregoing contact sequencing device, wherein the sequencing circuit includes 4 logic circuits, every logic electricity
Road includes 4 branch roads, the first logic circuit input to the 4th logic circuit input successively with the first binding post to the 4th
Binding post connects；
The relay includes 4 normally closed switch and at least one normal open switch.
Preferably, foregoing contact sequencing device, wherein two relays are provided with every branch road, described in two
Relay is cascaded, and the relay opens two for two and closes relay.
Preferably, foregoing contact sequencing device, wherein the display module includes N number of BCD decoders and N number of number is aobvious
Show pipe；
Output end of the input of N number of BCD decoders respectively with N number of logic circuit is connected, N number of BCD
The output end of decoder is connected with N number of digital display tube respectively, and the conducting for the N bar logic circuits of circuit will be sequenced is suitable
Sequence is shown by digital display tube.
Preferably, foregoing contact sequencing device, wherein the display module includes 4 BCD decoders and 4 numbers show
Show pipe；
Output end of the input of 4 BCD decoders respectively with 4 logic circuits is connected, 4 BCD
The output end of decoder is connected with 4 digital display tubes respectively, for by the lock-reclosing lock of breaker alarm tie point,
Locking combined floodgate alarm tie point, the first locking separating brake alarm tie point of breaker and the second locking of breaker of breaker
The turn-on sequence of separating brake alarm tie point is shown.
Preferably, foregoing contact sequencing device, wherein the output end of first logic circuit is patrolled including described first
The normal open switch of the relay of circuit tie point is collected to the normal open switch of the relay of the 4th branch road；
Wherein, the normal open switch output end of the relay of the branch road of the first logic circuit the 3rd is by connecting the one or two pole
Pipe, be connected with the normal open switch output end of the relay of the first logic circuit tie point, afterwards with the BCD decoders
Input connection；
And the normal open switch output end of the relay of the branch road of the first logic circuit the 3rd is by connecting the two or two pole
Pipe, be connected with the normal open switch output end of the relay of the branch road of the first logic circuit second, afterwards with the BCD decoders
Input connection；
The output end of second logic circuit is to the output end of the 4th logic circuit and the connection of BCD decoder inputs
Mode, set according to the output end of first logic circuit and the connected mode of BCD decoder inputs.
Preferably, foregoing contact sequencing device, it also includes：
Power supply, the power supply are connected with the sequencing circuit and display module, for being powered for the contact sequencing device.
Preferably, foregoing contact sequencing device, wherein the power supply is dc source, dry cell power supply is passed through.
Preferably, foregoing contact sequencing device, it also includes：
Housing, the common port binding post and N number of binding post are arranged in the housing outer surface, the sequencing circuit
The enclosure interior is arranged on, the display module is arranged on the outer surface of the housing, and the power supply is arranged on the shell
The inside of body.
By above-mentioned technical proposal, the utility model contact sequencing device at least has following advantages：
In technical solutions of the utility model, contact sequencing device is provided with N number of binding post, and in the cooperation of sequencing circuit
Under, the alarm contact for the breaker that can be M to alarm number of connections is attached the detection of order.Compared to prior art
In, the test to each alarm contact of hydraulic high-pressure breaker is all manual operation, is gradually reduced by staff
The hydraulic pressure for supplying primary cut-out is tested above-mentioned alarm contact, test process time length, test process operation
Numerous and diverse, efficiency is low.And contact sequencing device provided by the utility model, it can be directly by the hydraulic pressure of breaker from most
Good operating pressure drops to zero pressure, then by contact sequencing device provided by the utility model, disposably by all open circuits
The order of connection of the alarm contact of device detects, and detection speed is fast, efficiency high, and without staff during detection
Operation, automaticity are high.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of electric connection structure schematic diagram for contact sequencing device that embodiment of the present utility model provides；
Fig. 2 is a kind of structural representation for contact sequencing device that embodiment of the present utility model provides；
Fig. 3 is a kind of connection diagram of the sequencing circuit for contact sequencing device that embodiment of the present utility model provides；
Fig. 4 is a kind of connection diagram of the display module for contact sequencing device that embodiment of the present utility model provides.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes contact sequencing device its embodiment, knot
Structure, feature and its effect, describe in detail as after.In the following description, what different " embodiment " or " embodiment " referred to differs
Surely it is the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable form groups
Close.
As depicted in figs. 1 and 2, a kind of contact sequencing device that one embodiment of the present utility model proposes, it includes：It is public
Terminal 1 and N number of binding post 2, sequencing circuit 3 and display module 4 are terminated altogether；Common port binding post 1 is used to connect breaker 7
Public connecting end 71, the first binding post of N number of binding post 2 are used for breaker 7 under driving pressure successively to N binding posts
The M alarm tie point connection alarmed successively during drop；Sequencing circuit 3 includes N bar logic circuits, and every logic circuit includes
N bar branch roads, the first logic circuit input arrives with the first binding post successively to N logic circuits input in N articles of logic circuit
N binding posts connect, and every branch road is provided with relay, and relay includes N number of normally closed switch and at least one normal open switch；
Display module is connected with the first logic circuit output end to N logic circuit output ends respectively, for showing the first logic circuit
To the connection order of N logic circuits；Wherein, the relay input of the first logic circuit tie point and the first binding post connect
Connect, a normally closed switch of the relay of the first logic circuit tie point is arranged on the second branch road input of the first logic circuit
End, N-1 normally closed switch of the relay of the first logic circuit tie point are separately positioned on the second logic circuit tie point
On in N logic circuit tie points, the first logic circuit N-1 branch roads, the first logic electricity are extrapolated to this connected mode
The N branch inputs on road are connected with a normally closed switch of the relay of the first logic circuit N-1 branch roads, the first logic electricity
The normal open switch of the normal open switch of the relay of road tie point to the relay of N branch roads forms the output of the first logic circuit
End；Also, the second logic circuit is configured to N logic circuits according to the logical course of the first logic circuit；Wherein, N is
Positive integer more than or equal to 3, M are the positive integer for being less than or equal to N more than or equal to 2.
Specifically, contact sequencing device provided by the utility model, it can be to alarm tie point quantity less than or equal to N's
The order that breaker carries out alarm tie point connection is sequenced.The occupation mode of contact sequencing device provided by the utility model
And use principle：The order of pressure from big to small point and first when multiple alarm tie points of breaker are connected according to it first
Binding post connects to N binding posts；Then breaker is carried out suppressing accumulation of energy；After accumulation of energy terminates, breaker is carried out to remove pressure,
Breaker is set to drop to zero pressure always from normal operating pressure, in the process M alarm connection contact difference of breaker
Connection, whenever one alarm tie point of connection, the logic circuit that its corresponding connecting pole connects below will connect, in logic electricity
During road is sequentially communicated, its tie point is just for the P logic circuits (P is the positive integer less than or equal to N) of first connection
It can connect, while the relay in its tie point all connects, now the normally closed switch of relay will be beaten in the tie point
Open, normal open switch be may turn off, i.e., except the tie point of other logic circuits of P logic circuits is all disconnected, P is patrolled
Collecting the second branch road of circuit can also be disconnected to a last branch road, be eventually positioned at first of the P logic circuits of output end
The relay normally open switch closure on road, output signal, shows corresponding in display module, such as display numeral 1；More than
The mode of stating is analogized, and the logic circuit of the M corresponding connection of alarm connection contact of breaker is connected respectively, and each logic circuit connects
Order when logical is shown by display module, and then realizes the measurement to M alarm tie point connection order；Finally contrast
The order of breaker alarm point is identical during whether the order of the M alarm point connection of breaker declines with pressure, if gone out
Existing difference then proves that the circuit breaker internal connection malfunctions, while which two alarm point can be inferred to according to the result of sequencing
Between connection error, the maintenance subsequently to breaker can be instructed.
In technical solutions of the utility model, contact sequencing device is provided with N number of binding post, and in the cooperation of sequencing circuit
Under, the alarm contact for the breaker that can be M to alarm number of connections is attached the detection of order.Compared to prior art
In, the test to each alarm contact of hydraulic high-pressure breaker is all manual operation, is gradually reduced by staff
The hydraulic pressure for supplying primary cut-out is tested above-mentioned alarm contact, test process time length, test process operation
Numerous and diverse, efficiency is low.And contact sequencing device provided by the utility model, it can be directly by the hydraulic pressure of breaker from most
Good operating pressure drops to zero pressure, then by contact sequencing device provided by the utility model, disposably by all open circuits
The order of connection of the alarm contact of device detects, and detection speed is fast, efficiency high, and without staff during detection
Operation, automaticity are high.
As shown in Fig. 2 among specific implementation, wherein optimal binding post quantity is 4, the first of 4 binding posts connects
Terminal 21 is used to be connected with the lock-reclosing lock of breaker 7 alarm tie point 72, and the second binding post 22 is used to close with breaker 7
Sealed lock alarm tie point 73 connects, and the 3rd binding post 23 is used to connect with the first locking separating brake of breaker 7 alarm tie point 74
Connect, the 4th binding post 24 is used to be connected with the second locking separating brake of breaker 7 alarm tie point 75.
Specifically, because the breaker of fluid pressure type commonly used in the prior art is mostly the structure of 4 alarm tie points, so
It is still further preferred that the quantity of binding post is arranged to 4；4 are set in contact sequencing device provided by the utility model simultaneously to patrol
Circuit is collected, contact sequencing device volume provided by the utility model can be made smaller, is easy to user to carry and operate.
Among specific implementation, a preferred embodiment is the structure type that contact sequencing device has 4 binding posts,
As shown in figure 3, sequencing circuit, it is still further preferred that including 4 logic circuits, every logic circuit includes 4 branch roads, the first logic electricity
Road 31, the second logic circuit 32, the 3rd logic circuit 33 and the 4th logic circuit 34 input successively with the first binding post
21st, the second binding post 22, the 3rd binding post 23 and the 4th binding post 24 connect；Relay is comprising 4 normally closed switch and at least
One normal open switch.As shown in Figure 3 and Figure 4, display module 4 respectively with the first logic circuit 31, the second logic circuit the 32, the 3rd
The output end connection of the logic circuit 34 of logic circuit 33 and the 4th, for showing the first logic circuit 31 to the 4th logic circuit
34 connection order；Wherein, the relay input of the tie point 311 of the first logic circuit 31 connects with the first binding post 21
Connect, a normally closed switch of the relay of the tie point 311 of the first logic circuit 31 is arranged on the of the first logic circuit 31
The input of two branch road 312,3 normally closed switch of the relay of the tie point 311 of the first logic circuit 31 are separately positioned on
To in the tie point of the 4th logic circuit 34 in the tie point of two logic circuit 32, the first logic electricity is extrapolated to this connected mode
3rd branch road 313 on road 31, the input of the 4th branch road 314 of the first logic circuit 31 and the 3rd branch road of the first logic circuit 31
The normally closed switch connection of 313 relay, the normal open switch of the relay of the tie point 311 of the first logic circuit 31,
Normal open switch to the relay of the 4th branch road 314 of the first logic circuit 31 forms the output end of the first logic circuit 31；And
And second logic circuit 32 be configured to the 4th logic circuit 34 according to the logical course of the first logic circuit 31.
According to above-mentioned logical course, specific sequencing circuit as shown in Figure 3 is can obtain, wherein the of the first logic circuit 31
One branch road 311 includes the relay 1A1 and 1A2 of two series connection, two relays 1A1 and 1A2 include two normally closed switch 1A1,
Two normally closed switch 1A2, the connected mode of these switches are as shown in Figure 3；Second branch road 312 of the first logic circuit 31 includes two
The relay 2A1 and 2A2 of individual series connection, two relays 2A1 and 2A2 include two normally closed switch 2A1 and two normally closed switch
2A2, the connected mode of these same normally closed switch can also be shown from Fig. 3；3rd branch road 313 of the first logic circuit 31
Include the relay 3A1 and 3A2 of two series connection, two relays 3A1 and 3A2 include two normally closed switch 3A1 and two normally closed
3A2 is switched, the connected mode of these normally closed switch can also be shown from Fig. 3；4th branch road 314 of the first logic circuit 31
Include the relay 4A1 and 4A2 of two series connection, two relays 4A1 and 4A2；It is to sum up the connection side of the first logic circuit 31
Formula, the logic connected mode of the second logic circuit 32, the 3rd logic circuit 33 and the 4th logic circuit 34 with the first logic
Circuit 31 is identical, the relay in the second logic circuit 32 as shown in Figure 3, the 3rd logic circuit 33 and the 4th logic circuit 34
Connected mode is identical with the first logic circuit 31, be only relay title and relay switch title it is different, this
A bit can corresponding diagram 3 understood, herein no longer to the second logic circuit 32, the 3rd logic circuit 33 and the 4th logic circuit
Relay connection method in 34 does excessive description.
Further, two relays are preferably provided with for the logic circuit containing 4 branch roads, on every branch road, two
Individual relay is cascaded, and relay is two to open two and close relay, because two to drive two relays closed be conventional relay,
Its small volume, cheap, so opening two by two, to close the logic circuit overall volume that relay forms small, even if 4 logics
Circuit adds up the quantity just 32, and then make the overall volume of sequencing circuit small of relay, makes the entirety of contact sequencing device
Small volume, it is easy to the carrying of user, it is more convenient to use.
As shown in figure 4, among specific implementation, wherein display module 4 includes N number of BCD decoders 41 and N number of digital-scroll technique
Pipe 42；Output end of the input of N number of BCD decoders 41 respectively with N number of logic circuit is connected, N number of BCD decoders 41
Output end is connected with N number of digital display tube 42 respectively, for the turn-on sequence that the N bar logic circuits of circuit are sequenced to be passed through into number
Display tube 42 is shown.Signal during processor logic connection can be carried out by using BCD decoders, the utility model connects
The BCD decoders that point sequencing device uses are decoders commonly used in the prior art, can be purchased with direct market.
The optimal structure type of further display module, it is the structure shape that there is 4 binding posts with above-mentioned sequencing device
The structure type that formula is adapted, i.e., the display module to match with the sequencing circuit containing 4 logic circuits.As shown in figure 4,
Among specific implementation, for 4 above-mentioned logic circuits in the case of, wherein display module 4 will also include 4 BCD decoders
41 and 4 digital display tubes 42；Output end of the input of 4 BCD decoders 41 respectively with 4 logic circuits is connected, 4
The output end of BCD decoders 41 is connected with 4 digital display tubes 42 respectively, is connected for the lock-reclosing lock of breaker to be alarmed
Point, breaker locking close a floodgate alarm tie point, breaker the first locking separating brake alarm tie point and breaker second
The turn-on sequence of locking separating brake alarm tie point is shown.Specifically, 4 BCD decoders correspond to and 4 logic circuits, master
To be applied to carry out examining order to the breaker with 4 alarm tie points, BCD decoders are by receiving 4 logic circuits
Different branch conducting electric signal, carry out work decoding, then drive digital display tube show different branch corresponding to order
Numeral, digital display tube show this 4 numerals of 1-4 respectively.
Further, because display module is the sequencing result for showing sequencing circuit, so such as Fig. 3 and Fig. 4 institutes
Show, among specific implementation, wherein the output end of first logic circuit 31 includes the tie point of the first logic circuit 31
311 relay 1A1 normal open switch 1A1, the first logic circuit 31 the second branch road 312 relay 2A1 normal open switch
2A1, the first logic circuit 31 the 3rd branch road 313 relay 3A1 normal open switch 3A1 and the first logic circuit 31
The relay 4A1 of four branch roads 314 normal open switch 4A1, output end of these normal open switch as the first logic circuit 31, it connects
Mode is connect as shown in figure 4, the output end of same second logic circuit 32, the 3rd logic circuit 33 and the 4th logic circuit 34
It is made up of the normal open switch of the relay of its own, the connected mode of the output end also connected mode with the first logic circuit 31
Identical, only the title of normal open switch is different as shown in Figure 4, is not described in detail herein, can comparison diagram 3 and Fig. 4 obtain
Specific connected mode.
Also, the output end of the first logic circuit 31 is to the output end of the 4th logic circuit 34 and the connection of BCD decoders
4 connection ends are kneaded into 3 connections by mode all same, the output end of this 4 logic circuits by same connected mode
Connected after end with BCD decoders 41.For example, the relay 3A1 of the 3rd branch road 313 of the first logic circuit 31 normal open switch
After 3A1 is by connecting the first diode, the normal open switch with the relay 1A1 of the tie point 311 of the first logic circuit 31
1A1 output ends connect, the input with BCD decoders 41 is connected afterwards, and the 3rd branch road 313 of the first logic circuit 31 after
After electrical equipment 3A1 normal open switch 3A1 output ends are by connecting the second diode, the second branch road 312 with the first logic circuit 31
Relay 2A1 normal open switch 2A1 output ends connection, then the input with BCD decoders 41 is connected；Second logic circuit
The kneading mode of the output end of 32 to the 4th logic circuit 34 is identical, refers to Fig. 4 connected mode, no longer does and specifically retouches herein
State.
Shown as shown in Figure 1, Figure 3 and Figure 4, among specific implementation, contact sequencing device also includes：Power supply 5, power supply 5 is with surveying
Sequence circuit 3 and display module 4 connect, for being powered for contact sequencing device；Power supply 5 is dc source, passes through dry cell power supply.
Specifically, in order that contact sequencing device can carry, it is set to work in all case, it is necessary to be surveyed for contact
Sequence device sets the power supply that can carry, due to only related in contact sequencing device provided by the utility model multiple relays,
BCD decoders and digital display tube, so contact sequencing device required voltage provided by the utility model is small, electric current
It is small, it is possible to be powered by using the dry electrical equipment of multiple series connection for it.
As shown in Fig. 2 among specific implementation, contact sequencing device also includes：Housing 6, common port binding post 1 and N number of
Binding post 2 is arranged on the outer surface of housing 6, and sequencing circuit is arranged on inside housing 6, and display module is arranged on the outer of housing 6
On surface, power supply is arranged on the inside of housing 6.
Specifically, using housing the sequencing circuit of energization connection and power supply will be needed to take up, can effectively protect
Shield sequencing circuit and power supply, while all parts can be integrated in one, it is that contact sequencing device is easy to carry and moved；The shell
Body can use metal material manufacture to can also be used plastic material to manufacture, and the contour structures of the housing can not limit.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, any simple modification, equivalent change and modification made to above example according to the technical essence of the utility model,
In the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of contact sequencing device, it is characterised in that it includes：
Common port binding post and N number of binding post, the common port binding post are used for the public connecting end for connecting breaker, the N
First binding post of individual binding post is used to alarm successively during driving pressure decline with breaker successively to N binding posts
M alarm tie point connection；
Circuit is sequenced, the sequencing circuit includes N bar logic circuits, and every logic circuit includes N bar branch roads, logic described in N bars
The first logic circuit input is connected with the first binding post to N binding posts successively to N logic circuits input in circuit, often
Branch road described in bar is provided with relay, and the relay includes N number of normally closed switch and at least one normal open switch；
Display module, the display module are connected to N logic circuit output ends with the first logic circuit output end, are used for respectively
Show the first logic circuit to the connection order of N logic circuits；
Wherein, the relay input of the first logic circuit tie point is connected with the first binding post, first logic
One normally closed switch of the relay of circuit tie point is arranged on the second branch input of the first logic circuit, and described first
N-1 normally closed switch of the relay of logic circuit tie point is separately positioned in the second logic circuit tie point to N
In logic circuit tie point, the first logic circuit N-1 branch roads are extrapolated to this connected mode, first logic circuit
N branch inputs are connected with a normally closed switch of the relay of the first logic circuit N-1 branch roads, and described first patrols
The normal open switch for collecting normal open switch to the relay of N branch roads of the relay of circuit tie point forms the first logic circuit
Output end；
Also, the second logic circuit is configured to N logic circuits according to the logical course of first logic circuit；
Wherein, N is the positive integer more than or equal to 3, and M is the positive integer for being less than or equal to N more than or equal to 2.
2. contact sequencing device according to claim 1, it is characterised in that
The quantity of the binding post is 4, and the first binding post of 4 binding posts is used for the lock-reclosing lock report with breaker
Alert tie point connection, the locking that the second binding post is used for the breaker alarm tie point that closes a floodgate be connecteds, the 3rd binding post for
The first locking separating brake alarm tie point connection of breaker, the 4th binding post are used to alarm with the second locking separating brake of breaker and connected
Contact connects.
3. contact sequencing device according to claim 2, it is characterised in that
The sequencing circuit includes 4 logic circuits, and every logic circuit includes 4 branch roads, the first logic circuit input
Hold to the 4th logic circuit input and be connected successively with the first binding post to the 4th binding post；
The relay includes 4 normally closed switch and at least one normal open switch.
4. contact sequencing device according to claim 3, it is characterised in that
Two relays are provided with every branch road, two relays are cascaded, and the relay is opened for two
Two close relay.
5. contact sequencing device according to claim 1, it is characterised in that
The display module includes N number of BCD decoders and N number of digital display tube；
Output end of the input of N number of BCD decoders respectively with N number of logic circuit is connected, N number of BCD decodings
The output end of device is connected with N number of digital display tube respectively, for the turn-on sequence that the N bar logic circuits of circuit are sequenced to be led to
Digital display tube is crossed to show.
6. contact sequencing device according to claim 2, it is characterised in that
The display module includes 4 BCD decoders and 4 digital display tubes；
Output end of the input of 4 BCD decoders respectively with 4 logic circuits is connected, 4 BCD decodings
The output end of device is connected with 4 digital display tubes respectively, for the lock-reclosing lock of breaker to be alarmed tie point, open circuit
Locking combined floodgate alarm tie point, the first locking separating brake alarm tie point of breaker and the second locking separating brake of breaker of device
The turn-on sequence of alarm tie point is shown.
7. contact sequencing device according to claim 6, it is characterised in that
The normal open switch that the output end of first logic circuit includes the relay of the first logic circuit tie point arrives
The normal open switch of the relay of 4th branch road；
Wherein, the normal open switch output end of the relay of the branch road of the first logic circuit the 3rd is by connecting the first diode,
Be connected with the normal open switch output end of the relay of the first logic circuit tie point, afterwards with the BCD decoders
Input connects；
And the normal open switch output end of the relay of the branch road of the first logic circuit the 3rd is by connecting the second diode, with
The normal open switch output end connection of the relay of the branch road of first logic circuit second, it is defeated with the BCD decoders afterwards
Enter end connection；
The output end of second logic circuit is to the output end of the 4th logic circuit and the connection side of BCD decoder inputs
Formula, set according to the output end of first logic circuit and the connected mode of BCD decoder inputs.
8. contact sequencing device according to claim 1, it is characterised in that also include：
Power supply, the power supply are connected with the sequencing circuit and display module, for being powered for the contact sequencing device.
9. contact sequencing device according to claim 8, it is characterised in that
The power supply is dc source, passes through dry cell power supply.
10. contact sequencing device according to claim 8, it is characterised in that also include：
Housing, the common port binding post and N number of binding post are arranged in the housing outer surface, and the sequencing circuit is set
In the enclosure interior, the display module is arranged on the outer surface of the housing, and the power supply is arranged on the housing
It is internal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720856665.1U CN207114679U (en) | 2017-07-14 | 2017-07-14 | Contact sequencing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720856665.1U CN207114679U (en) | 2017-07-14 | 2017-07-14 | Contact sequencing device |
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| CN207114679U true CN207114679U (en) | 2018-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329031A (en) * | 2017-07-14 | 2017-11-07 | 北京送变电公司 | Contact sequencing device |
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2017
- 2017-07-14 CN CN201720856665.1U patent/CN207114679U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329031A (en) * | 2017-07-14 | 2017-11-07 | 北京送变电公司 | Contact sequencing device |
| CN107329031B (en) * | 2017-07-14 | 2023-08-04 | 北京送变电公司 | Contact sequencing device |
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