CN205484641U - Transmitter insurance trouble display circuit - Google Patents
Transmitter insurance trouble display circuit Download PDFInfo
- Publication number
- CN205484641U CN205484641U CN201620197684.3U CN201620197684U CN205484641U CN 205484641 U CN205484641 U CN 205484641U CN 201620197684 U CN201620197684 U CN 201620197684U CN 205484641 U CN205484641 U CN 205484641U
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- China
- Prior art keywords
- circuit
- outfan
- transmitter
- insurance
- output loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a transmitter insurance trouble display circuit, including at least one display element and warning circuit, every display element includes divider resistance, photoMOS relay and pilot lamp, divider resistance's one end is connected with the output electricity of power insurance, photoMOS relay has two inputs and two outputs, an input is connected with divider resistance's other end electricity, another input ground connection, an output termination power, another output divides into an output circuit and the 2nd output circuit, an output circuit and the 2nd output circuit are parallelly connected, an output circuit's output is connected with warning circuit's input electricity, the pilot lamp sets up in the 2nd output circuit. So, adopt the utility model discloses can in time discover power insurance trouble and the accurate fault location of sureness, save a large amount of troubleshooting's time, broadcast for safety and provide better guarantee.
Description
Technical field
This utility model belongs to transmitter techniques field, is specifically related to a kind of transmitter insurance malfunction coefficient electricity
Road.
Background technology
Digitized AM transmitter is called for short DAM transmitter, and it is U.S. Harris (Harris) company
In the new-type transmitter that the later stage eighties in last century invents and produces.Have that volume is little, overall efficiency is high
(reaching more than 86%), three big electroacoustic indexs good (reaching first class), functional reliability height, transistor are put
Big device length in service life, operation flexibility are big, the higher feature simple to operate of automaticity.Therefore,
In the equipment rehabilitation in latter stage in last century, gradually instead of vacuum tube transmitter.At transmitter
In actual motion maintenance process, progressively expose some problems: moment the rushing due to electric current of start
Hitting excessive, the driving insurance easily open circuit in rectifier cabinet, in machine running process, in transformer case
Center line insurance the most easily open a way.Such as drive insurance open circuit, driving stage relay K 1, K2 line bag
Must not be electric, driving stage non-transformer, DS3 (predrive fault), DS5 (low driving on PB-LED display panel
Fault), DS11 (transforming mistakes fault) display lamp can azarin, transmitter-off.In ensuing fault
In troubleshooting procedure, owing to DS3, DS5 send out a warning, if treatment people is lacked experience, easily it is misled into
Go to check and drive encoding board, thus can expend the too much time at detour, cause and break for a long time
Accident.
Current transmitter system can't find power safety fault in time and accurately determine fault bit
Put, need to spend the longer time to carry out malfunction elimination.
In consideration of it, the problems referred to above are furtherd investigate by inventor, this case is then had to produce.
Utility model content
The purpose of this utility model is to provide a kind of transmitter insurance fault display circuit, this circuit energy
Enough find that power safety fault also accurately determines abort situation in time, save fix a breakdown in a large number time
Between, provide for safe broadcast and preferably ensure.
In order to achieve the above object, the such technical scheme of this utility model employing:
Transmitter insurance fault display circuit, it is characterised in that: include at least one display unit and report
Alert circuit, each display unit includes divider resistance, light coupling relay and display lamp, divider resistance
One end electrically connect with the outfan of power safety, described light coupling relay has two inputs and two
Individual outfan, an input electrically connects with the other end of divider resistance, another input end grounding,
One output termination power, another outfan is divided into the first output loop and the second output loop, the
One output loop and the second output loop are in parallel, and the outfan of the first output loop is defeated with warning circuit
Entering end electrical connection, display lamp is arranged in the second output loop.
As a kind of optimal way of the present utility model, in described light coupling relay, it is provided with two luminescences two
Pole is managed, and is set to the first light emitting diode and the second light emitting diode, and the first light emitting diode is just
Pole is electrically connected to described divider resistance, minus earth, and the negative electricity of the second light emitting diode is connected to institute
State divider resistance, plus earth.
As a kind of optimal way of the present utility model, described light coupling relay is PC814 optocoupler relay
Device.
As a kind of optimal way of the present utility model, the outfan of described power safety is multiple, many
The outfan of individual power safety is in parallel, and described display unit is multiple, and each described display unit is corresponding
The outfan of one described power safety, also includes NAND gate circuit, the institute of each described display unit
The input of the outfan and NAND gate circuit of stating the first output loop electrically connects, NAND gate circuit defeated
Go out end to electrically connect with described warning circuit.
As a kind of optimal way of the present utility model, described NAND gate circuit is 74LS30 chip.
As a kind of optimal way of the present utility model, described first output loop is provided with the two or two pole
Pipe, the positive pole of the second diode electrically connect with the outfan of described light coupling relay, negative pole and described and
The input electrical connection of not circuit, described second output loop is provided with the 3rd diode, and the three or two
The positive pole of pole pipe electrically connects with the outfan of described light coupling relay, and negative pole electrically connects with described display lamp.
After using the technical solution of the utility model, the outfan of power safety passes through divider resistance dividing potential drop
Obtain the less signal of telecommunication, access light coupling relay so that optocoupler turns on, by the first output loop
Signal being delivered to warning circuit, is delivered to display lamp by the second output loop simultaneously, display lamp is bright,
Representing that insurance is normal, when power safety breaks down, signal is delivered to electricity of reporting to the police by light coupling relay
Reporting to the police in road, display lamp reddens simultaneously, and so, this utility model can be to transmitter significant points
Insurance monitor in real time, if there is insurance open circuit situation, this road display lamp will redden, simultaneously
Remind personnel on duty along with chimes of doom, thus can find power safety fault in time and accurately determine
Abort situation, saves the time fixed a breakdown in a large number, provides for safe broadcast and preferably ensures.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model；
Fig. 2 is this utility model circuit theory diagrams for 8 road power safety monitorings；
Fig. 3 is the circuit theory diagrams of light coupling relay in this utility model；
Fig. 4 is the circuit theory diagrams of NAND gate circuit in this utility model；
In figure:
10-power safety 20-light coupling relay
21-the first light emitting diode 22-the second light emitting diode
31-the first output loop 32-the second output loop
40-NAND gate circuit
Detailed description of the invention
In order to the technical solution of the utility model is explained further, it is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 through Fig. 4, choose in DX transmitter 8 insurances being easier to fusing as monitoring object,
They are respectively: 1. fan power insurance F1, F2, F3,2. drive power safety F8, F9, F10,
3. the export insurance F18 of transformator T3, the 4. insurance of the center line in transformer case are controlled.By each power supply
The outfan parallel connection of insurance out accesses in 8 road power safety observation circuits (such as Fig. 2), due to 8 tunnels
The principle of observation circuit all as, we just choose the 1st tunnel monitoring fan power A phase insurance circuit come
Illustrate.Transmitter insurance fault display circuit, including divider resistance R1, light coupling relay 20,
Display lamp DS1 and warning circuit (not shown), warning circuit can use the warning electricity of routine
Road.One end of divider resistance R1 electrically connects with the outfan of power safety, another of divider resistance R1
End electrically connects with the input of light coupling relay 20, and described light coupling relay 20 has two inputs
With two outfans, an input electrically connects with divider resistance R1, another input end grounding, and one
Individual output termination power, another outfan is divided into the first output loop 31 and the second output loop 32,
First output loop 31 and the second output loop 32 are in parallel, the outfan of the first output loop 31 and report
The input electrical connection of alert circuit, display lamp DS1 is arranged in the second output loop 32, the second output
The other end ground connection in loop 32.
As a kind of optimal way of the present utility model, in described light coupling relay 20, it is provided with two luminescences
Diode, is set to the first light emitting diode 21 and the second light emitting diode 22, the first light-emitting diodes
The positive electrical of pipe 21 is connected to described divider resistance R1, minus earth, the second light emitting diode 22
Negative electricity is connected to described divider resistance R1, plus earth.The most square as one of the present utility model
Formula, described light coupling relay 20 is PC814 light coupling relay.PC814 light coupling relay is two-way defeated
Enter light coupling relay, the first diode 21 and the second diode when connecting alternating current, in relay
22 forward conduction luminescence, light coupling relay adhesives successively.
As a kind of optimal way of the present utility model, the outfan of described power safety is multiple, many
The outfan of individual power safety is in parallel, and described display unit is multiple, and each described display unit is corresponding
The outfan of one described power safety, also includes NAND gate circuit 40, each described display unit
The outfan of described first output loop electrically connects with the input of NAND gate circuit 40, NAND gate circuit
The outfan of 40 electrically connects with described warning circuit.As a kind of optimal way of the present utility model, institute
State NAND gate circuit 40 for 74LS30 chip.The outfan OUT1-OUT8 of 8 road power safety observation circuits
Access 1-6 foot and 11,12 feet of 74LS30 chip.74LS30 chip be exactly 8 tunnels in fact with
Not circuit, when OUT1-OUT8 8 road circuit output end is all high level (+5V), then chip is defeated
Go out to hold Y output low level.Be low level when as long as OUT1-OUT8 circuit output end has a road,
The fuse circuit breaking of this monitoring circuit monitors is described, then chip output Y exports high level.
As a kind of optimal way of the present utility model, described first output loop 31 is provided with the two or two
Pole pipe CR2, the positive pole of the second diode CR2 electrically connects with described light coupling relay 20, negative pole and institute
Stating NAND gate circuit 40 to electrically connect, described second output loop 32 is provided with the 3rd diode CR3, the
The positive pole of three diode CR3 electrically connects with described light coupling relay 20, negative pole and described display lamp DS1
Electrical connection.By arranging diode, it is possible to by warning circuit and display lamp and the circuit of transmitter own every
From, strengthen the safety of observation circuit, reduce the impact of circuit on transmitter own.
In this utility model, 74LS30 chip and PC814 light coupling relay are of the prior art known
Structure.Product form of the present utility model is not limited to this case diagram and embodiment, and it is entered by anyone
The suitably change of the similar thinking of row or modification, all should be regarded as without departing from patent category of the present utility model.
Claims (6)
1. transmitter insurance fault display circuit, it is characterised in that: include at least one display unit and
Warning circuit, each display unit includes divider resistance, light coupling relay and display lamp, dividing potential drop electricity
Resistance one end electrically connect with the outfan of power safety, described light coupling relay have two inputs with
Two outfans, an input electrically connects with the other end of divider resistance, another input end grounding,
One output termination power, another outfan is divided into the first output loop and the second output loop, the
One output loop and the second output loop are in parallel, and the outfan of the first output loop is defeated with warning circuit
Entering end electrical connection, display lamp is arranged in the second output loop.
2. transmitter insurance fault display circuit as claimed in claim 1, it is characterised in that: described
It is provided with two light emitting diodes in light coupling relay, is set to the first light emitting diode and the second luminescence
Diode, the positive electrical of the first light emitting diode is connected to described divider resistance, minus earth, and second
The negative electricity of light emitting diode is connected to described divider resistance, plus earth.
3. transmitter insurance fault display circuit as claimed in claim 2, it is characterised in that: described
Light coupling relay is PC814 light coupling relay.
4. transmitter insurance fault display circuit as claimed in claim 3, it is characterised in that: described
The outfan of power safety is multiple, and the outfan of multiple power safeties is in parallel, and described display unit is
Multiple, the outfan of the corresponding described power safety of each described display unit, also include NAND gate
Circuit, the outfan of described first output loop of each described display unit is defeated with NAND gate circuit
Entering end electrical connection, the outfan of NAND gate circuit electrically connects with described warning circuit.
5. transmitter insurance fault display circuit as claimed in claim 4, it is characterised in that: described
NAND gate circuit is 74LS30 chip.
6. transmitter insurance fault display circuit as claimed in claim 5, it is characterised in that: described
First output loop is provided with the second diode, the positive pole of the second diode and described light coupling relay
Outfan electrically connects, and negative pole electrically connects with the input of described NAND gate circuit, and described second exports back
Road is provided with the 3rd diode, and the positive pole of the 3rd diode is electrically connected with the outfan of described light coupling relay
Connecing, negative pole electrically connects with described display lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197684.3U CN205484641U (en) | 2016-03-15 | 2016-03-15 | Transmitter insurance trouble display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197684.3U CN205484641U (en) | 2016-03-15 | 2016-03-15 | Transmitter insurance trouble display circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484641U true CN205484641U (en) | 2016-08-17 |
Family
ID=56657742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620197684.3U Expired - Fee Related CN205484641U (en) | 2016-03-15 | 2016-03-15 | Transmitter insurance trouble display circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828219A (en) * | 2019-03-21 | 2019-05-31 | 奇瑞新能源汽车技术有限公司 | A kind of electric automobile power battery insulation detecting circuit |
| CN109931287A (en) * | 2019-04-10 | 2019-06-25 | 深圳市恩玖科技有限公司 | A kind of fault detection circuit and its fault detection method of ac fan |
-
2016
- 2016-03-15 CN CN201620197684.3U patent/CN205484641U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828219A (en) * | 2019-03-21 | 2019-05-31 | 奇瑞新能源汽车技术有限公司 | A kind of electric automobile power battery insulation detecting circuit |
| CN109931287A (en) * | 2019-04-10 | 2019-06-25 | 深圳市恩玖科技有限公司 | A kind of fault detection circuit and its fault detection method of ac fan |
| CN109931287B (en) * | 2019-04-10 | 2020-06-12 | 深圳市恩玖科技有限公司 | Fault detection circuit of alternating current fan and fault detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170315 |