CN209593410U - Novel emission machine - Google Patents
Novel emission machine Download PDFInfo
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- CN209593410U CN209593410U CN201920473121.6U CN201920473121U CN209593410U CN 209593410 U CN209593410 U CN 209593410U CN 201920473121 U CN201920473121 U CN 201920473121U CN 209593410 U CN209593410 U CN 209593410U
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Abstract
The utility model discloses a kind of novel emission machines, input interface, encoder, signal adapter, power circuit, light source and output interface, the output end of the input interface is connect with the input terminal of the encoder, the output end of the encoder is connect with the input terminal of the signal adapter, the output end of the signal adapter is connect with the input terminal of the power circuit, the output end of the power circuit is connect with the input terminal of the light source, and the output end of the light source is connect with the input terminal of the output interface；The power circuit includes DC power supply, first resistor, the first metal-oxide-semiconductor, the first inductance, first diode, first capacitor, third capacitor, second resistance, the first transistor, relay, the second diode, third diode, the 4th resistance, the second metal-oxide-semiconductor and the second capacitor.The utility model circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Description
Technical field
The utility model relates to communication equipment field, in particular to a kind of novel emission machine.
Background technique
Transmitter (a transmitter circuit) main task is to complete useful low frequency signal to high frequency carrier
Modulation is changed into the electromagnetic wave for having certain bandwidth in a certain centre frequency, fitting through antenna transmitting.It is widely used in
TV, broadcast, the various civilian, military equipments such as radar.It can be divided mainly into frequency modulation transmitter, AM transmitter, optical sender etc.
Multiple types.The effect of optical sender is by the HDB3 sent from multiplexing equipment letter code conversion into NRZ code；Then NRZ code is compiled
To be suitble to the pattern transmitted on lightguide cable link；Electrical/optical conversion finally is being carried out, optical signal is being converted the electrical signal to and is coupled into
Optical fiber.The component that the power pack of traditional transmitter uses is more, and circuit structure is complicated, and hardware cost is higher, it has not been convenient to tie up
Shield.In addition, since the power pack of transmitter lacks corresponding circuit protection function, such as: lack current-limiting protection function and prevents
Stop signal interference function causes the safety and reliability of circuit poor.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of circuit knot
Structure is relatively simple, cost is relatively low, maintains easily, the higher novel emission machine of the safety and reliability of circuit.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of novel emission machine, including defeated
Incoming interface, encoder, signal adapter, power circuit, light source and output interface, the output end of the input interface and the volume
The input terminal connection of code device, the output end of the encoder are connect with the input terminal of the signal adapter, the signal conversion
The output end of device is connect with the input terminal of the power circuit, and the input terminal of the output end of the power circuit and the light source connects
It connects, the output end of the light source is connect with the input terminal of the output interface；
The power circuit includes DC power supply, first resistor, the first metal-oxide-semiconductor, the first inductance, first diode, first
Capacitor, third capacitor, second resistance, the first transistor, relay, the second diode, third diode, the 4th resistance, second
Metal-oxide-semiconductor and the second capacitor, the DC power supply are connect with the source electrode of one end of the first resistor and the first metal-oxide-semiconductor respectively, institute
The grid for stating the first metal-oxide-semiconductor is connect with one end of the other end of the first resistor and third capacitor respectively, the third capacitor
The other end connect with the collector of first triode, one end of the base stage of first triode and second resistance connects
It connects, the base stage of first triode accesses pulse-width signal, the hair of the other end of the second resistance and the first triode
Emitter-base bandgap grading is grounded, and the drain electrode of first metal-oxide-semiconductor is connect with one end of the cathode of the first diode and the first inductance respectively,
The other end of first inductance is connect with one end of the anode of the first capacitor and 3rd resistor respectively, the one or two pole
The anode of pipe and the cathode of first capacitor are grounded, the other end of the 3rd resistor respectively with the coil of the relay one
The anode connection at end, the cathode of the second diode and the second capacitor, the other end of the coil of the relay and the described 3rd 2
The anode of pole pipe connects, the drain electrode with the anode, the second metal-oxide-semiconductor of second diode respectively of the cathode of the third diode
Connection, the grid of second metal-oxide-semiconductor are connect with one end of the 4th resistance, and the grid of second metal-oxide-semiconductor accesses driving
Signal, the other end, the source electrode of the second metal-oxide-semiconductor and the cathode of the second capacitor of the 4th resistance are grounded, the third capacitor
Capacitance be 360pF, the model S-153T of the third diode.
In novel emission machine described in the utility model, the power circuit further includes the 5th resistance, the 5th electricity
One end of resistance is connect with the emitter of first triode, the other end ground connection of the 5th resistance, the 5th resistance
Resistance value is 52k Ω.
In novel emission machine described in the utility model, the power circuit further includes the 6th resistance, the 6th electricity
One end of resistance is connect with the source electrode of second metal-oxide-semiconductor, the other end ground connection of the 6th resistance, the resistance value of the 6th resistance
For 36k Ω.
In novel emission machine described in the utility model, the power circuit further includes the 4th capacitor, and the described 1st
The base stage of pole pipe accesses the pulse-width signal by the 4th capacitor, and the capacitance of the 4th capacitor is 430pF.
In novel emission machine described in the utility model, first metal-oxide-semiconductor is P-channel metal-oxide-semiconductor, the one or three pole
Pipe is NPN type triode, and second metal-oxide-semiconductor is N-channel MOS pipe.
Implement the utility model novel emission machine, have the advantages that due to be equipped with input interface, encoder,
Signal adapter, power circuit, light source and output interface, power circuit include DC power supply, first resistor, the first metal-oxide-semiconductor,
One inductance, first diode, first capacitor, third capacitor, second resistance, the first transistor, relay, the second diode,
Three diodes, the 4th resistance, the second metal-oxide-semiconductor and the second capacitor, the power circuit compared with the power pack of traditional transmitter,
The component used is less, due to saving some components, can reduce hardware cost in this way, in addition, third capacitor is used for
Prevent the interference between the first metal-oxide-semiconductor and the first triode, third diode for carrying out current-limiting protection, therefore circuit structure compared with
For simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the utility model novel emission machine one embodiment；
Fig. 2 is the circuit diagram of power circuit in the embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the utility model novel emission machine embodiment, the structural schematic diagram of the novel emission machine is as shown in Figure 1.Fig. 1
In, which includes input interface 1, encoder 2, signal adapter 3, power circuit 4, light source 5 and output interface 6,
The output end of input interface 1 is connect with the input terminal of encoder 2, and the output end of encoder 2 and the input terminal of signal adapter 3 connect
It connects, the output end of signal adapter 3 is connect with the input terminal of power circuit 4, the input of the output end and light source 5 of power circuit 4
End connection, the output end of light source 5 are connect with the input terminal of output interface 6.
In the present embodiment, then the HDB3 letter code conversion that encoder 2 is used to receive input interface 1 will at NRZ code
NRZ code is compiled to be suitble to the pattern transmitted on lightguide cable link；Signal adapter 3 is by the digital signal after 2 coded treatment of encoder
Be converted to analog signal；Power circuit 4 is used to provide power supply for light source 5.
Fig. 2 is the circuit diagram of power circuit in the present embodiment, in Fig. 2, the power circuit 8 include DC power supply 15V,
First resistor R1, the first metal-oxide-semiconductor M1, the first inductance L1, first diode D1, first capacitor C1, third capacitor C3, second resistance
R2, the first triode Q1, relay K1, the second diode D2, third diode D3, the 4th resistance R4, the second metal-oxide-semiconductor M2 and
Two capacitor C2, DC power supply 15V are connect with the source electrode of one end of first resistor R1 and the first metal-oxide-semiconductor M1 respectively, the first metal-oxide-semiconductor M1
Grid connect respectively with one end of the other end of first resistor R1 and third capacitor C3, the other end and first of third capacitor C3
The collector of triode Q1 connects, and the base stage of the first triode Q1 is connect with one end of second resistance R2, the first triode Q1's
The emitter of base stage access pulse-width signal PWM, the other end of second resistance R2 and the first triode Q1 are grounded, and first
The drain electrode of metal-oxide-semiconductor M1 is connect with one end of the cathode of first diode D1 and the first inductance L1 respectively, and the first inductance L1's is another
End is connect with one end of the anode of first capacitor C1 and 3rd resistor R3 respectively, the anode and first capacitor C1 of first diode D1
Cathode be grounded, the other end of the 3rd resistor R3 cathode with one end of the coil of relay K1, the second diode D2 respectively
With the anode connection of the second capacitor C2, the other end of the coil of relay K1 is connect with the anode of third diode D3, and the three or two
The cathode of pole pipe D3 is connect with the drain electrode of the anode of the second diode D2, the second metal-oxide-semiconductor M2 respectively, the grid of the second metal-oxide-semiconductor M2
It is connect with one end of the 4th resistance R4, the grid of the second metal-oxide-semiconductor M2 accesses driving signal RLY, the other end of the 4th resistance R4, the
The cathode of the source electrode of two metal-oxide-semiconductor M2 and the second capacitor C2 are grounded.
For the power circuit 8 compared with the power pack of traditional transmitter, the component used is less, and circuit structure is more
Simply, it maintains easily, due to saving some components, hardware cost can be reduced in this way, in addition, third capacitor C3 is coupling
Capacitor, for preventing the interference between the first metal-oxide-semiconductor M1 and the first triode Q1, third diode D3 is Current Limiting Diodes, is used
In progress current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, third capacitor
The capacitance of C3 be 360pF, the model S-153T of third diode D3, certainly, in practical applications, the electricity of third capacitor C3
Capacitance can be adjusted accordingly as the case may be, and third diode D3 can also have two poles of similar functions using other models
Pipe.
Before the driving signal RLY of relay K1 is issued, the duty of the pulse-width signal PWM of the first metal-oxide-semiconductor M1 is controlled
Than being 100%, the first triode Q1 normal open, the driving voltage of the first metal-oxide-semiconductor M1 are -15V at this time, and the first metal-oxide-semiconductor M1 is normal open,
The voltage exported from the first inductance L1 is 15V, and 15V voltage is charged by 3rd resistor R3 to the second capacitor C2.As relay K1
Driving signal RLY issue moment, the voltage of the coil of relay K1 provides by the second capacitor C2, and the second capacitor C2 discharges, this
When relay K1 contact be attracted.After several milliseconds, the duty of the pulse-width signal PWM of the first metal-oxide-semiconductor M1 of control driving
It is at this time 7.5V from the first inductance L1 output voltage, the voltage of the coil of relay K1 is 7.5V than becoming 50%.As it can be seen that logical
The duty ratio for crossing the pulse-width signal PWM of the first metal-oxide-semiconductor M1 of control driving can provide difference in different phase for relay K1
The supply voltage of size can be effectively reduced the loss of the coil of relay K1, improve the reliability of relay K1 and use the longevity
Life.By the duty ratio of the pulse-width signal PWM of the first metal-oxide-semiconductor M1 of control driving, exportable different size of voltage can be with
It is suitable for piezoelectric voltage and requires the different types of relay for being less than 15V, versatility is good；If you need to export bigger voltage, such as 24V
Voltage, the size of adjustable power supply can match further types of relay.
In the present embodiment, the first metal-oxide-semiconductor M1 is P-channel metal-oxide-semiconductor, and the first triode Q1 is NPN type triode, the 2nd MOS
Pipe M2 is N-channel MOS pipe.Certainly, in practical applications, the first metal-oxide-semiconductor M1 may be N-channel MOS pipe, the first triode Q1
It may be PNP type triode, the second metal-oxide-semiconductor M2 may be P-channel metal-oxide-semiconductor, but at this moment the structure of circuit also will accordingly be sent out
Changing.
In the present embodiment, which further includes the 5th resistance R5, one end of the 5th resistance R5 and the first triode Q1
Emitter connection, the 5th resistance R5 the other end ground connection.5th resistance R5 is current-limiting resistance, for the first triode Q1's
Emitter current carries out current-limiting protection, to further enhance the safety and reliability of circuit.It is noted that the present embodiment
In, the resistance value of the 5th resistance R5 is 52k Ω, and certainly, in practical applications, the resistance value of the 5th resistance R5 can be as the case may be
It adjusts accordingly, that is, the resistance value of the 5th resistance R5 can be increased accordingly or be reduced as the case may be.
In the present embodiment, which further includes the 6th resistance R6, one end of the 6th resistance R6 and the second metal-oxide-semiconductor M2
Source electrode connection, the 6th resistance R6 the other end ground connection.6th resistance R6 is current-limiting resistance, for the source to the second metal-oxide-semiconductor M2
Electrode current carries out current-limiting protection, further to enhance the safety and reliability of circuit.It is noted that the present embodiment
In, the resistance value of the 6th resistance R6 is 36k Ω, and certainly, in practical applications, the resistance value of the 6th resistance R6 can be as the case may be
It adjusts accordingly, that is, the resistance value of the 6th resistance R6 can be increased accordingly or be reduced as the case may be.
In the present embodiment, which further includes the 4th capacitor C4, and the base stage of the first triode Q1 passes through the 4th capacitor
C4 accesses pulse-width signal PWM.4th capacitor C4 is for separating the logical exchange of direct current.It is noted that in the present embodiment, the
The capacitance of four capacitor C4 is 430pF, and certainly, in practical applications, the capacitance of the 4th capacitor C4 can be as the case may be
It adjusts accordingly, that is, the capacitance of the 4th capacitor C4 can be increased accordingly or be reduced as the case may be.
In short, in the present embodiment, the power circuit 8 is compared with the power pack of traditional transmitter, the component that uses
Less, circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way, separately
Outside, coupled capacitor and Current Limiting Diodes are equipped in the power circuit 8, therefore the safety and reliability of circuit is higher.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of novel emission machine, which is characterized in that including input interface, encoder, signal adapter, power circuit, light source
And output interface, the output end of the input interface are connect with the input terminal of the encoder, the output end of the encoder with
The input terminal of the signal adapter connects, and the output end of the signal adapter is connect with the input terminal of the power circuit,
The output end of the power circuit is connect with the input terminal of the light source, and the output end of the light source is defeated with the output interface
Enter end connection；
The power circuit include DC power supply, first resistor, the first metal-oxide-semiconductor, the first inductance, first diode, first capacitor,
Third capacitor, second resistance, the first transistor, relay, the second diode, third diode, the 4th resistance, the second metal-oxide-semiconductor
With the second capacitor, the DC power supply is connect with the source electrode of one end of the first resistor and the first metal-oxide-semiconductor respectively, and described first
The grid of metal-oxide-semiconductor is connect with one end of the other end of the first resistor and third capacitor respectively, the third capacitor it is another
End is connect with the collector of first triode, and the base stage of first triode and one end of second resistance connect, described
The emitter of the base stage access pulse-width signal of first triode, the other end of the second resistance and the first triode connects
The drain electrode on ground, first metal-oxide-semiconductor is connect with one end of the cathode of the first diode and the first inductance respectively, and described first
The other end of inductance is connect with one end of the anode of the first capacitor and 3rd resistor respectively, the anode of the first diode
Be grounded with the cathode of first capacitor, the other end of the 3rd resistor respectively with one end of the coil of the relay, second
The anode connection of the cathode of diode and the second capacitor, the sun of the other end of the coil of the relay and the third diode
Pole connection, the cathode of the third diode are connect with the drain electrode of the anode, the second metal-oxide-semiconductor of second diode respectively, institute
The grid for stating the second metal-oxide-semiconductor is connect with one end of the 4th resistance, and the grid of second metal-oxide-semiconductor accesses driving signal, institute
The cathode for stating the other end of the 4th resistance, the source electrode of the second metal-oxide-semiconductor and the second capacitor is grounded, the capacitance of the third capacitor
For 360pF, the model S-153T of the third diode.
2. novel emission machine according to claim 1, which is characterized in that the power circuit further includes the 5th resistance, institute
The one end for stating the 5th resistance is connect with the emitter of first triode, the other end of the 5th resistance ground connection, and described the
The resistance value of five resistance is 52k Ω.
3. novel emission machine according to claim 2, which is characterized in that the power circuit further includes the 6th resistance, institute
The one end for stating the 6th resistance is connect with the source electrode of second metal-oxide-semiconductor, the other end ground connection of the 6th resistance, the 6th electricity
The resistance value of resistance is 36k Ω.
4. novel emission machine according to claim 3, which is characterized in that the power circuit further includes the 4th capacitor, institute
The base stage for stating the first triode accesses the pulse-width signal by the 4th capacitor, and the capacitance of the 4th capacitor is
430pF。
5. novel emission machine according to any one of claims 1 to 4, which is characterized in that first metal-oxide-semiconductor is P ditch
Road metal-oxide-semiconductor, first triode are NPN type triode, and second metal-oxide-semiconductor is N-channel MOS pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473121.6U CN209593410U (en) | 2019-04-09 | 2019-04-09 | Novel emission machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473121.6U CN209593410U (en) | 2019-04-09 | 2019-04-09 | Novel emission machine |
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| Publication Number | Publication Date |
|---|---|
| CN209593410U true CN209593410U (en) | 2019-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920473121.6U Active CN209593410U (en) | 2019-04-09 | 2019-04-09 | Novel emission machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431554A (en) * | 2020-03-27 | 2020-07-17 | 深圳清华大学研究院 | Transmitter and wireless transceiver having the same |
-
2019
- 2019-04-09 CN CN201920473121.6U patent/CN209593410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431554A (en) * | 2020-03-27 | 2020-07-17 | 深圳清华大学研究院 | Transmitter and wireless transceiver having the same |
| CN111431554B (en) * | 2020-03-27 | 2021-11-09 | 深圳清华大学研究院 | Transmitter and wireless transceiver having the same |
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