CN206271628U - A kind of device for monitoring variable connector state - Google Patents
A kind of device for monitoring variable connector state Download PDFInfo
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- CN206271628U CN206271628U CN201621468945.7U CN201621468945U CN206271628U CN 206271628 U CN206271628 U CN 206271628U CN 201621468945 U CN201621468945 U CN 201621468945U CN 206271628 U CN206271628 U CN 206271628U
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Abstract
The utility model provides a kind of device for monitoring variable connector state, comprising housing, housing is in the rectangle of both sides chamfering, some two input wires seats and two output connection seats are respectively equipped with the fillet surface of housing, some button switches are provided with the middle part of housing upper surface, and a button switch is only arranged close to an input wires seat or output connection seat；The circuit board for pilot switch state is provided with housing；Circuit board includes multigroup switch connection input, plurality of voltages detection module, voltage transformation module, multiple buttons switch, combinational logic circuit unit and power supply module, the utility model carries out condition monitoring to variable connector, and in automatic trip or the input short of electricity of monitored switch output alarm signal, convenient centralized management.
Description
Technical field
The utility model is related to field of electrical equipment, and in particular to a kind of device for monitoring variable connector state.
Background technology
Current many low-voltage power switchs such as breaker needs button switch, and generally open circuit utensil in use
Standby short-circuit protection function, because some electrical loads do not possess the property that such as illuminating lamp or display screen are easy to observed in power down
Matter, and when in use because be not required to very important person's moment guard be difficult to find in time its whether power down, when higher level Surveillance center find it is disconnected
After road device disconnects, it is difficult to judge the automatic short-circuit protection because maintenance needs and artificial manual-lock or breaker in time,
It is more difficult to be monitored the state of every way switch when with variable connector, it is therefore necessary to which design is a kind of for monitoring multichannel
The device of on off state.
Utility model content
For the deficiency in the presence of prior art, the utility model provides a kind of for monitoring variable connector state
Device, Centralized Monitoring is carried out to facilitate to the corresponding power switch control that observed equipment is difficult after power down, it is to avoid because not and
Shi Faxian and there is harmful effect.
To achieve the above object, the utility model employs following technical scheme：
A kind of device for monitoring variable connector state, comprising housing, housing is in the rectangle of both sides chamfering, in housing
Fillet surface is respectively equipped with some two input wires seat and two output connections seats, be provided with the middle part of housing upper surface it is some by
Button switch, and button switch is only arranged close to an input wires seat or output connection seat；It is additionally provided with enclosure interior
Circuit board, the circuit board is opened comprising multigroup switch connection input, plurality of voltages detection module, voltage transformation module, button
Terminals, combinational logic circuit unit and power supply module are closed, each group of its breaker in middle connection input is corresponded to comprising mutual
Independent first input end and the second input, wherein first input end are connected with two input wires seat, the second input and
Two output connection seats are connected；Each group in voltage detecting module is detected comprising first voltage detection module with second voltage
Module；The first input end, the second input are corresponding simultaneously respectively at the input with monitored same switch, output end
Connection；The first voltage detection module is electrically connected with first input end, the voltage for detecting first input end, second voltage inspection
Survey module to be electrically connected with the second input, the voltage for detecting the second input, the first voltage inspection of each voltage detecting module
Survey module to be connected with voltage transformation module respectively with the output of second voltage detection module, it is number to be corresponded to adjustment or matching
Voltage that word circuit can be recognized or the voltage that can be compared；Combinational logic circuit unit is defeated with voltage transformation module
Go out it is connected, and correspondence be identified judging and encode output, with using less bit wide export determination on off state；It is described to press
Button switch is connected respectively to each button switch terminals by wire, first voltage detection module corresponding voltage interconnecting module it is defeated
Go out end to be connected with the input of combinational logic circuit by button switch；Power supply module provides voltage transformation module and combinational logic
The required electricity consumption of circuit unit.
Further, corresponding first voltage detection module, second voltage detection module are divided equally in each voltage detecting module
Not Bao Han current-limiting resistance and the photodiode pair connected with current-limiting resistance, the photodiode is to reverse comprising two head and the tail
And the photodiode for connecing.
Further, with each voltage detecting module corresponding connection of the voltage transformation module comprising common ground connection is multigroup
Amplifying circuit, every group of amplifying circuit includes first via triode amplification module and the second road triode amplification module, right respectively
Should be connected with the first voltage detection module of connected voltage detecting module, the second detection module；First via triode amplification module
And second road triode amplification module be common emitter amplifying circuit structure, the equal phototriode of triode therein, its point
Photodiode in other correspondence reception first voltage detection module, second voltage detection module is shone the light for being sent
Penetrate；The phototriode of first via triode amplification module is only when by the photodiode of first voltage detection module to irradiation
Conducting；The phototriode of the second road triode amplification module only by the photodiode of second voltage detection module to irradiation
When turn on.
Further, circuit board also includes communication module, input and the combinational logic circuit unit of the communication module
Output is connected；The communication module includes RS485 communication units, and corresponding housing is provided with the communication connected with communication module and connects
Mouthful.
Further, the combinational logic circuit includes some XOR circuits, and not circuit, wherein, XOR
Two inputs of logic circuit, two inputs of and not circuit respectively correspond to the same voltage detecting module pair of connection
The voltage interconnecting module output end answered；Combinational logic circuit also includes coding circuit, the input of coding circuit respectively with each XOR
The output end of logic circuit, the output end of and not circuit, voltage interconnecting module are through the connection end correspondence phase after button switch
Even.
Further, also comprising alarm module；One of them of the input of alarm module and combinational logic circuit unit are defeated
Go out end independent connected.
The utility model can facilitate with need monitoring variable connector it is corresponding connection, it is necessary to monitoring its input of switch and
One of input wires seat simultaneously connects, and the output end of monitored switch and the output connection of opposite side relative position simultaneously connect；It is logical
Multigroup input is crossed while gathering the input voltage and output voltage of each monitored switch, by photodiode to realize optocoupler every
From signal transmission, after by voltage transformation module, monitored switcher input voltage can quickly determine with output voltage, when
When monitored switch closes a floodgate, its input is identical with the voltage and phase of output end, therefore, can by XOR circuit
Determine the state of opening a sluice gate of its switch, and when monitored switch closes a floodgate, if the input of monitored switch has electricity, photoelectricity two
Pole pipe is to irradiation phototriode so that phototriode is turned on, and the common emitter amplifying circuit structure of voltage interconnecting module is equal
Output low level, on the contrary high level is exported, therefore can determine that the input of monitored switch is made a clean sweep of by and not circuit
The situation of electricity, and cause that XOR circuit, the logic of and not circuit are consistent, i.e., when the monitored switch of judgement is
The output of and not circuit occurs without the situation of the input power-off for representing monitored switch during disconnection, is easy to the extension of circuit
Connection, while both inputs are connected with the state of button switch by coding circuit, under normal circumstances, button switch
During disconnection, then the corresponding input of coding circuit does not have control source, when button switch is connected, then the correspondence input of coding circuit
It is low-voltage to hold, when monitored switch is input into power-off, then voltage status of button switch its respective input in connection
It is high voltage；Thus, under normal circumstances, when disconnection that monitored switch is artificial is needed, then cut-off push button switch can be transmitted
Automatic trip and the artificial difference for disconnecting, and can interpolate that whether the input of monitored switch has a power failure when button switch is connected
Or short of electricity, and recognized and output alarm signal by coding circuit.
Compared to prior art, the utility model has the advantages that：Easy-to-connect, sets flexible, can be convenient
Condition monitoring, and the output alarm signal or logical in automatic trip or the input short of electricity of monitored switch are carried out to variable connector
Cross communication module and be uploaded to Surveillance center, convenient centralized management.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of the present embodiment.
Fig. 2 is the electrical principle block diagram of the present embodiment.
Fig. 3 is one group of voltage detecting module and voltage conversion circuit schematic diagram of the present embodiment.
Fig. 4 is the combinational logic schematic diagram of the present embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in the utility model.
A kind of device for monitoring variable connector state, as shown in figure 1, comprising housing 1, housing 1 is in both sides chamfering
Rectangle, is respectively equipped with some two input wires seats 2 and two output connection seats 3, in the upper table of housing 1 in the fillet surface 6 of housing
Some button switches 4 are provided with the middle part of face, and a button switch 4 is only seated against and closely set with an input wires seat or output connection
Put；Circuit board is additionally provided with inside housing 1, as shown in Fig. 2 the circuit board includes multigroup switch connection input, Multi-path electricity
Pressure detection module, voltage transformation module, button switch terminals, combinational logic circuit unit and power supply module, its breaker in middle connect
Connect input each group is corresponded to comprising separate first input end J1 and the second input J2, wherein first input end
J1 is connected with two input wires seats 2, and the second input J2 is connected with two output connection seats 3；It is every in voltage detecting module
One group comprising first voltage detection module and second voltage detection module；The first input end J1, the second input J2 point
It is corresponding not in parallel in the input with monitored same switch, output end；The first voltage detection module and the first input
End J1 electrical connections, the voltage for detecting first input end J1, second voltage detection module is electrically connected with the second input J2, used
In the voltage for detecting the second input J2, first voltage detection module and the second voltage detection module of each voltage detecting module
Output is connected with voltage transformation module respectively, is corresponded to adjustment or matches the voltage or energy that can be recognized for digital circuit
The voltage being enough compared；Combinational logic circuit unit is connected with the output of voltage transformation module, and correspondence is identified judging
And coding output, with the on off state determined using the output of less bit wide；The button switch is connected respectively to by wire
Each button switch terminals, the output end of first voltage detection module corresponding voltage interconnecting module is by button switch SDn and group
The input of combinational logic circuit is connected；Power supply module provides the required electricity consumption of voltage transformation module and combinational logic circuit unit.
As shown in figure 3, the first voltage detection module includes current-limiting resistance R1 and the photoelectricity connected with current-limiting resistance R1
Diode pair LED1, second voltage detection module includes current-limiting resistance R2 and the photodiode pair connected with current-limiting resistance R2
LED2, as first input end J1 or normal the second input J2 voltages, then photodiode is to LED1, photodiode pair
LED2 correspondences are with power frequency light-emitting, and correspondence is irradiated to the phototriode Q1, Q2 in voltage transformation module；The voltage conversion mould
First via triode amplification module and second road triode amplification module of the block comprising common ground connection；First via triode amplifies mould
Block includes phototriode Q1, and collector resistance R2, the second road triode amplification module includes phototriode Q2, colelctor electrode electricity
Resistance R3, and total radio amplifier connection is, only correspondence receives first voltage detection module, second voltage detection module respectively for it
In photodiode sent light irradiation；The phototriode Q1 of first via triode amplification module is only by the first electricity
The photodiode of detection module is pressed to be turned on when being irradiated to LED1；The phototriode Q2 of the second road triode amplification module only exists
Turned on when being irradiated to LED2 by the photodiode of second voltage detection module, the output end of first via triode amplification module
T1, the output end t2 of the second road triode amplification module is connected with the input of combinational logic circuit respectively；When monitored is broken
Road device closes a floodgate when turning on, and output end t1 is identical with the voltage of output end t2, after the circuit breaker trip of monitoring, under normal circumstances,
Due to lacking the irradiation of LED2, Q2 cut-offs so that the voltage of output end t2 is the high level output of stabilization, the voltage of output end t1
It is low level output, therefore multilevel iudge module can select XOR circuit, to connect output end t1, t2.
As shown in Figures 1 and 2, circuit board also includes communication module, the input of the communication module and combinational logic circuit
The output of unit is connected；Corresponding housing 1 is provided with the communication interface 5 connected with communication module, and the communication module is included
RS485 communication units, to realize and overlayer monitors center to center communications.
As shown in figure 4, the combinational logic circuit includes some XOR circuits, and not circuit, wherein, XOR
Two inputs of logic circuit, two inputs of and not circuit respectively correspond to the same voltage detecting module pair of connection
Voltage interconnecting module the output end t1, output end t2 that should be connected；Combinational logic circuit also include coding circuit, coding circuit it is defeated
Enter output end, the output end of and not circuit, voltage interconnecting module respectively with each XOR circuit after button switch
Connection end correspondence be connected, coding circuit is prior art, be will not be repeated here.
Also include alarm module；One of output end independence phase of the input of alarm module and combinational logic circuit unit
Even；The alarm module includes audible alarm circuit.
The utility model gathers the input voltage and output voltage of each monitored switch by multigroup input simultaneously, passes through
Photodiode to realizing light-coupled isolation signal transmission, after by voltage transformation module, monitored switcher input voltage
Can quickly determine with output voltage, when monitored switch closes a floodgate, its input is identical with the voltage and phase of output end, because
This, the state of opening a sluice gate of its switch is can determine by XOR circuit, and when monitored switch closes a floodgate, if monitored open
The input of pass has electricity, then photodiode is to irradiation phototriode so that phototriode is turned on, voltage interconnecting module
Common emitter amplifying circuit structure exports low level, otherwise exports high level, therefore can be true by and not circuit
The situation of the input power down of fixed monitored switch, and cause that the logic of XOR circuit, and not circuit keeps one
Cause, i.e., the output of and not circuit is occurred without and represents that the input of monitored switch breaks when monitored switch is judged as disconnection
The situation of electricity, is easy to the extension of circuit to connect, while contacting both inputs with the state of button switch by coding circuit
Get up, under normal circumstances, when button switch disconnects, then the corresponding input of coding circuit does not have control source, and button switch connects
When logical, then the corresponding input of coding circuit is low-voltage, and when monitored switch is input into power-off, then button switch is in connection
When its respective input voltage status be high voltage；Thus, under normal circumstances, when needs artificially disconnect monitored switch
When, then cut-off push button switch can transmit automatic trip and the artificial difference for disconnecting, and be can interpolate that when button switch is connected
Whether the input of monitored switch has a power failure or short of electricity, and is recognized and output alarm signal by coding circuit.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (6)
1. a kind of device for monitoring variable connector state, it is characterised in that：Comprising housing, housing is in the square of both sides chamfering
Shape, is respectively equipped with some two input wires seats and two output connection seats, in housing upper surface in the fillet surface of housing
Portion is provided with some button switches, and a button switch is only arranged close to an input wires seat or output connection seat；In shell
Internal portion is additionally provided with circuit board, and the circuit board includes multigroup switch connection input, plurality of voltages detection module, voltage conversion
Module, button switch terminals, combinational logic circuit unit and power supply module, each group of its breaker in middle connection input are right
Separate first input end and the second input should be included, wherein first input end is connected with two input wires seats, the
Two inputs are connected with two output connection seats；Each group in voltage detecting module comprising first voltage detection module and the
Two voltage detection modules；The first input end, the second input are respectively at the input with monitored same switch, output
End correspondence is in parallel；The first voltage detection module is electrically connected with first input end, the voltage for detecting first input end, the
Two voltage detection modules are electrically connected with the second input, the voltage for detecting the second input, the of each voltage detecting module
One voltage detection module is connected with voltage transformation module respectively with the output of second voltage detection module, corresponded to adjustment or
Match is the digital circuit voltage that can be recognized or the voltage that can be compared；Combinational logic circuit unit and voltage conversion
The output of module is connected, and correspondence is identified judging and encoding output, with the switch shape determined using the output of less bit wide
State；The button switch is connected respectively to each button switch terminals by wire, and first voltage detection module corresponding voltage turns
The output end of connection module is connected by button switch with the input of combinational logic circuit；Power supply module provides voltage transformation module
And the required electricity consumption of combinational logic circuit unit.
2. a kind of device for monitoring variable connector state according to claim 1, it is characterised in that：Each voltage detecting
In module corresponding first voltage detection module, second voltage detection module respectively comprising current-limiting resistance and with current-limiting resistance string
The photodiode pair of connection, the photodiode is to photodiode that is reverse comprising two head and the tail and connecing.
3. a kind of device for monitoring variable connector state according to claim 2, it is characterised in that：The voltage turns
Multigroup amplifying circuit of with each voltage detecting module corresponding connection of the mold changing block comprising common ground connection, every group of amplifying circuit is included
First via triode amplification module and the second road triode amplification module, correspond to and the first electricity for connecting voltage detecting module respectively
Pressure detection module, the second detection module are connected；First via triode amplification module and the second road triode amplification module are altogether
Emitter stage amplification circuit structure, the equal phototriode of triode therein, its difference correspondence reception first voltage detection module,
Photodiode in second voltage detection module irradiates to the light for being sent；Photosensitive the three of first via triode amplification module
Pole pipe is only turned on when by the photodiode of first voltage detection module to irradiation；Second road triode amplification module it is photosensitive
Triode is only turned on when by the photodiode of second voltage detection module to irradiation.
4. a kind of device for monitoring variable connector state according to claim 1, it is characterised in that：Circuit board is also wrapped
Containing communication module, the input of the communication module is connected with the output of combinational logic circuit unit；The communication module is included
RS485 communication units, corresponding housing is provided with the communication interface connected with communication module.
5. a kind of device for monitoring variable connector state according to claim 1, it is characterised in that：The combination is patrolled
Collect circuit and include some XOR circuits, and not circuit, wherein, two inputs of XOR circuit are patrolled with non-
Two inputs for collecting circuit respectively correspond to the corresponding voltage interconnecting module output end of the same voltage detecting module of connection；Combination
Logic circuit also includes coding circuit, the output end being input into respectively with each XOR circuit of coding circuit, NAND Logic electricity
The output end on road, voltage interconnecting module are connected through the connection end correspondence after button switch.
6. a kind of device for monitoring variable connector state according to claim 1, it is characterised in that：Also comprising alarm
Module；The input of alarm module is independently connected with one of output end of combinational logic circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621468945.7U CN206271628U (en) | 2016-12-29 | 2016-12-29 | A kind of device for monitoring variable connector state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621468945.7U CN206271628U (en) | 2016-12-29 | 2016-12-29 | A kind of device for monitoring variable connector state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271628U true CN206271628U (en) | 2017-06-20 |
Family
ID=59048194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621468945.7U Withdrawn - After Issue CN206271628U (en) | 2016-12-29 | 2016-12-29 | A kind of device for monitoring variable connector state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531570A (en) * | 2016-12-29 | 2017-03-22 | 重庆市渝展电气有限公司 | Device for monitoring state of multi-path switch |
-
2016
- 2016-12-29 CN CN201621468945.7U patent/CN206271628U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531570A (en) * | 2016-12-29 | 2017-03-22 | 重庆市渝展电气有限公司 | Device for monitoring state of multi-path switch |
| CN106531570B (en) * | 2016-12-29 | 2019-01-22 | 重庆市渝展电气有限公司 | For monitoring the device of variable connector state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20190122 |