CN207039807U - Digital SPC exchange - Google Patents
Digital SPC exchange Download PDFInfo
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- CN207039807U CN207039807U CN201720952414.3U CN201720952414U CN207039807U CN 207039807 U CN207039807 U CN 207039807U CN 201720952414 U CN201720952414 U CN 201720952414U CN 207039807 U CN207039807 U CN 207039807U
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- output
- message
- circuit
- ignition voltage
- switching circuit
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Abstract
The utility model discloses a kind of digital SPC exchange, including interchanger body, message ignition voltage output circuit and output switching circuit；The port of interchanger body is used to connect extension set, the power output end of interchanger body and the input of output switching circuit connect, the control terminal of interchanger body and the controlled end of output switching circuit connect, the output end of output switching circuit is connected with the input for ignition voltage output circuit of leaving a message, and the output end of message ignition voltage output circuit is used to connect extension set；Wherein, interchanger body is used to export reference power source and message lights control signal；Output switching circuit, for when receiving message and lighting control signal, control reference power source output；Message ignition voltage output circuit, for reference power source to be carried out into conversion process, and message ignition voltage is exported to extension set, so that extension set output message lights signal.Telephone message can be notified client by this digital SPC exchange in time, feature-rich.
Description
Technical field
Switch technology field is the utility model is related to, more particularly to a kind of digital SPC exchange.
Background technology
Digital SPC exchange is widely used in the occasions such as enterprise's office, hotel guest room.If extension set customer phone incoming call
When leave, then digital SPC exchange will record to telephone message.
However, existing digital SPC exchange, it is impossible to above-mentioned telephone message is notified into client in time, function is single.
Utility model content
Main purpose of the present utility model is to provide a kind of digital SPC exchange, it is intended to enriches the digital SPC exchange
Function.
To achieve the above object, the utility model proposes digital SPC exchange include interchanger body, message light
Voltage follower circuit and output switching circuit；The feedback reception end of the interchanger body is used to connect extension set, the interchanger
The power output end of body is connected with the input of the output switching circuit, the control terminal of the interchanger body with it is described defeated
Go out the controlled end connection of switching circuit, the output end of the output switching circuit is defeated with the message ignition voltage output circuit
Enter end connection, the output end of the message ignition voltage output circuit is used to connect the extension set；Wherein, the interchanger sheet
Body, for exporting reference power source, and when the client for receiving the extension set feedback leaves signal, output message lights control
Signal；The output switching circuit, for receive it is described message light control signal when, control the reference power source defeated
Go out；The message ignition voltage output circuit, for the reference power source to be carried out into conversion process, and exports message ignition voltage
To the extension set, so that extension set output message lights signal.
Preferably, the output switching circuit includes the first power supply, relay and switching tube, the controlled end of the switching tube
For the controlled end of the output switching circuit, the output head grounding of the switching tube, the input of the switching tube with it is described after
The first coil pin connection of electrical equipment；Second coil pin of the relay is connected with first power supply, and the relay moves
Contact is the input of the output switching circuit, and the stationary contact of the relay is the output end of the output switching circuit.
Preferably, the output switching circuit also includes the first diode, the negative electrode of first diode, described first
The coil electrode of power supply and the relay interconnects, the anode of first diode, the input of the switching tube and described
The coil negative pole interconnection of relay.
Preferably, the output switching circuit also includes first resistor, the first end of the first resistor and the switch
The controlled end connection of pipe, the second end of the first resistor are the controlled end of the output switching circuit.
Preferably, the switching tube is NPN type triode, the base stage of the NPN type triode for the switching tube by
Control end, the input of the extremely described switching tube of current collection of the NPN type triode, the transmitting extremely institute of the NPN type triode
State the output end of switching tube.
Preferably, the message ignition voltage output circuit includes the second diode, second resistance and the first electric capacity, described
The anode of second diode for it is described message ignition voltage output circuit input, the negative electrode of second diode with it is described
The first end connection of second resistance, the second end of the second resistance are connected with the positive pole of first electric capacity, its connecting node
For exporting the message ignition voltage, the negative pole ground connection of first electric capacity.
Preferably, the digital SPC exchange also include output permanent circuit, for by the reference power source export to
The message ignition voltage output circuit；The power output end of the input and the interchanger body of the output permanent circuit
Connection, the output end of the output permanent circuit are connected with the input of the message ignition voltage output circuit.
Preferably, the output permanent circuit includes 3rd resistor, and the first end of the 3rd resistor is solid for the output
Determine the input of circuit, the second end of the 3rd resistor is the output end for exporting permanent circuit.
Technical solutions of the utility model export reference power source by using interchanger body, and are receiving extension set feedback
Client when leaving signal, output message lights control signal, output switching circuit when receiving message and lighting control signal,
Reference power source output is controlled, reference power source is carried out conversion process by message ignition voltage output circuit, and is exported message and lighted electricity
Extension set is depressed into, so that extension set output message lights signal, realizes the function that telephone message is notified to client.Relative to existing skill
Art, there is the characteristics of feature-rich.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the high-level schematic functional block diagram of the embodiment of the utility model digital SPC exchange one；
Fig. 2 is the electrical block diagram of another embodiment of the utility model digital SPC exchange.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, and can not
It is interpreted as indicating or implies its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme
With reference to occurring conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the utility model
It is required that protection domain within.
The utility model proposes a kind of digital SPC exchange, available for handling official business, hotel guest room, the place such as hospital is following
In each embodiment, illustrated so that digital SPC exchange is used for hotel guest room as an example.Wherein, the digital SPC exchange energy
It is enough in time will message information notice extension set client, have the advantages that feature-rich, highly reliable and compatible strong, details can join
Read following each embodiments.
Referring to Fig. 1, in one embodiment, above-mentioned digital SPC exchange includes interchanger body 10, message lights electricity
Voltage follower circuit 20 and output switching circuit 20；The feedback reception end of interchanger body 10 is used to connect extension set, interchanger body
10 power output end is connected with the input of output switching circuit 20, the control terminal and output switching circuit of interchanger body 10
20 controlled end connection, the output end of output switching circuit 20 are connected with the input for ignition voltage output circuit 20 of leaving a message, stayed
The output end of speech ignition voltage output circuit 20 is used to connect extension set.
Wherein, interchanger body 10 is used to export reference power source, and leaves signal in the client for receiving extension set feedback
When, output message lights control signal；Output switching circuit 20 is used for when receiving message and lighting control signal, control reference
Power supply exports；Message ignition voltage output circuit 20 is used to reference power source carrying out conversion process, and exports message ignition voltage
To extension set, so that extension set output message lights signal.
Specifically, in an application scenarios：
First, (not shown) the calling guest extension (not shown) of foreground host, guest extension jingle bell.In this process
In, if client receives calls in preset time, illustrate that client does not leave；If client does not receive calls in preset time,
Then illustrate that client leaves.
Then, interchanger body 10 is after it is determined that client leaves, according to the default open message-leaving function of interchanger the machine to being exhaled
The side of entering, incoming call side are carried out after effectively leaving a message, and interchanger the machine output message lights control signal.
Then, output switching circuit 20 is received after above-mentioned message lights control signal, and interchanger body 10 is exported
Reference power source is delivered to message ignition voltage output circuit 20.
Finally, above-mentioned reference voltage is carried out conversion process by ignition voltage output circuit 20 of leaving a message, and is exported message and lighted
Voltage is to above-mentioned guest extension, so that guest extension output message lights signal.
Here, it is preferably optical signal that the message of guest extension output, which lights signal, i.e., guest extension is receiving message point
Lighted after bright voltage.In this way, client is once entering guest room it is observed that guest extension is lighted, and receives message information accordingly, very
It is convenient and swift.
Technical solutions of the utility model export reference power source by using interchanger body 10 and message lights control signal,
Output switching circuit 20 is when receiving message and lighting control signal, control reference power source output, message ignition voltage output electricity
Reference power source is carried out conversion process by road 20, and exports message ignition voltage to extension set, so that extension set output message lights signal,
Realize the function that telephone message is notified to client.Relative to prior art, there is the characteristics of feature-rich.
Optionally, referring to Fig. 2, in another embodiment, above-mentioned output switching circuit 20 include the first power supply VCC, after
Electrical equipment J and switching tube Q, switching tube Q controlled end are the controlled end of output switching circuit 20, switching tube Q output head grounding, are opened
The input for closing pipe Q is connected with relay J coil negative pole；Relay J coil electrode pin is connected with the first power supply VCC, after
Electrical equipment J normally closed point N is the input of output switching circuit 20, and relay J opened point M is the output of output switching circuit 20
End.The common point of relay connects the extension set port of interchanger the machine.
Specifically, when output switching circuit 20, which receives message, lights control signal, switching tube Q conductings, relay J's
Coil is born level pin and is grounded by switching tube Q, relay J common point N and opened point point M adhesives, output switching circuit 20 it is defeated
Enter end to connect with output end.
In order to prevent switching tube Q from being damaged because of inductance backward voltage impact in by relay J.Further, above-mentioned output
Switching circuit 20 also includes the first diode D1, and the coil of the first diode D1 negative electrode, the first power supply VCC and relay J is just
Pole interconnects, and the coil of the first diode D1 anode, switching tube Q input and relay J bears level interconnection.
Further, for limit switch pipe Q operating current.Above-mentioned output switching circuit 20 also includes first resistor
R1, first resistor R1 first end are connected with switching tube Q controlled end, and first resistor R1 the second end is output switching circuit 20
Controlled end.
It is preferred that above-mentioned switching tube Q is NPN type triode, the base stage of NPN type triode is switching tube Q controlled end,
The current collection of NPN type triode extremely switching tube Q input, the transmitting extremely switching tube Q output end of NPN type triode.
Optionally, above-mentioned message ignition voltage output circuit 20 includes the second diode D2, second resistance R2 and the first electricity
Hold C1, the second diode D2 anode for message ignition voltage output circuit 20 input, the second diode D2 negative electrode with
Second resistance R2 first end connection, second resistance R2 the second end are connected with the first electric capacity C1 positive pole, and its connecting node is used
In output message ignition voltage, the first electric capacity C1 negative pole ground connection.
Here, the reference power source that the second diode D2 is used to export interchanger body 10 carries out rectification processing, the first electricity
Hold C1 to be used to the reference power source after rectified processing being filtered processing, second resistance R2 is used for the electricity for limiting reference power source
Stream.
Further, above-mentioned digital SPC exchange also include output permanent circuit 40, for by reference power source export to
Message ignition voltage output circuit 20；The input of output permanent circuit 40 is connected with the power output end of interchanger body 10,
The output end for exporting permanent circuit 40 is connected with the input for ignition voltage output circuit 20 of leaving a message.
Specifically, when that need not use the message notification function of digital SPC exchange, output permanent circuit 40 can incite somebody to action
The reference power source that interchanger body 10 exports is exported to message ignition voltage output circuit 20, strengthens the simultaneous of digital SPC exchange
Capacitive.
Optionally, above-mentioned output permanent circuit 40 includes 3rd resistor R3, and 3rd resistor R3 first end is fixed for output
The input of circuit 40,3rd resistor R3 the second end are the output end of output permanent circuit 40.
Hereinafter, with reference to Fig. 1 and Fig. 2, the operation principle of this numeral success interchanger is illustrated：
First, after interchanger body 10 determines that client leaves, output message lights control signal.
Then, switching tube Q is turned on, and relay J coil negative pole is grounded through switching tube Q, relay J common point N with often
M adhesives are prescribed, the reference power source that interchanger body 10 exports is raw after the second diode D2 rectifications, the first electric capacity C1 filtering successively
Into message ignition voltage, and export to extension set.
Finally, extension set receives message ignition voltage, and lights.Client one enters room can and has observed message letter
Breath, it is very simple and efficient.
Here, reference power source is chosen as 75V/25Hz standard AC voltage, message ignition voltage is chosen as 110V direct currents
Voltage.The design parameter of reference power source and message ignition voltage is not limited herein.
Technical solutions of the utility model have the following advantages that：
(1) telephone message can be notified into client in time, it is feature-rich.
(2) telephone message informing function, reliability height are realized with hardware.
(3) 3rd resistor R3 is set up, in the occasion notified without telephone message, can be used cooperatively with common phone, it is simultaneous
Capacitive is strong.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
Under inventive concept of the present utility model, the equivalent structure transformation made using the utility model specification and accompanying drawing content, or
Directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of digital SPC exchange, it is characterised in that including interchanger body, message ignition voltage output circuit and output
Switching circuit；
The port of the interchanger body is used to connect extension set, power output end and the output switching of the interchanger body
The input connection of circuit, the control terminal of the interchanger body is connected with the controlled end of the output switching circuit, described defeated
The output end for going out switching circuit is connected with the input of the message ignition voltage output circuit, the message ignition voltage output
The output end of circuit is used to connect the extension set；Wherein,
The interchanger body, for exporting reference power source, and when the client for receiving the extension set feedback leaves signal,
Output message lights control signal；
The output switching circuit, for when receiving the message and lighting control signal, controlling the reference power source to export；
The message ignition voltage output circuit, for the reference power source to be carried out into conversion process, and exports message and lights electricity
The extension set is depressed into, so that extension set output message lights signal.
2. digital SPC exchange as claimed in claim 1, it is characterised in that the output switching circuit includes the first electricity
Source, relay and switching tube, the controlled end of the switching tube are the controlled end of the output switching circuit, the switching tube it is defeated
Go out end ground connection, the output end of the switching tube is connected with the coil negative pole of the relay；The coil electrode of the relay with
First power supply connection, the normally closed point of the relay are the input of the output switching circuit, the relay it is normal
Prescribe as the output end of the output switching circuit, male end returns to interchanger body port and is connected to point the relay altogether
Machine.
3. digital SPC exchange as claimed in claim 2, it is characterised in that the output switching circuit also includes the one or two
Pole pipe, the coil electrode interconnection of the negative electrode of first diode, first power supply and the relay, the one or two pole
The coil negative pole interconnection of the anode of pipe, the input of the switching tube and the relay.
4. digital SPC exchange as claimed in claim 2, it is characterised in that the output switching circuit also includes the first electricity
Resistance, the first end of the first resistor are connected with the controlled end of the switching tube, and the second end of the first resistor is described defeated
Go out the controlled end of switching circuit.
5. the digital SPC exchange as described in claim 2-4 any one, it is characterised in that the switching tube is NPN type
Triode, the base stage of the NPN type triode are the controlled end of the switching tube, the current collection extremely institute of the NPN type triode
State the input of switching tube, the output end of the extremely described switching tube of transmitting of the NPN type triode.
6. digital SPC exchange as claimed in claim 1, it is characterised in that the message ignition voltage output circuit includes
Second diode, second resistance and the first electric capacity, the anode of second diode is the message ignition voltage output circuit
Input, the negative electrode of second diode is connected with the first end of the second resistance, the second end of the second resistance
It is connected with the positive pole of first electric capacity, its connecting node is used to export the message ignition voltage, and first electric capacity is born
Pole is grounded.
7. digital SPC exchange as claimed in claim 1, it is characterised in that the digital SPC exchange also includes output
Permanent circuit, for the reference power source to be exported to the message ignition voltage output circuit；The output permanent circuit
Input is connected with the power output end of the interchanger body, and output end and the message of the output permanent circuit are lighted
The input connection of voltage follower circuit.
8. digital SPC exchange as claimed in claim 7, it is characterised in that the output permanent circuit includes the 3rd electricity
Resistance, the first end of the 3rd resistor is the input of the output permanent circuit, and the second end of the 3rd resistor is described
Export the output end of permanent circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952414.3U CN207039807U (en) | 2017-08-01 | 2017-08-01 | Digital SPC exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952414.3U CN207039807U (en) | 2017-08-01 | 2017-08-01 | Digital SPC exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039807U true CN207039807U (en) | 2018-02-23 |
Family
ID=61462152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720952414.3U Active CN207039807U (en) | 2017-08-01 | 2017-08-01 | Digital SPC exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207039807U (en) |
-
2017
- 2017-08-01 CN CN201720952414.3U patent/CN207039807U/en active Active
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