CN208891072U - Multi-channel power amplifier circuit board exception instruction device - Google Patents
Multi-channel power amplifier circuit board exception instruction device Download PDFInfo
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- CN208891072U CN208891072U CN201821533222.XU CN201821533222U CN208891072U CN 208891072 U CN208891072 U CN 208891072U CN 201821533222 U CN201821533222 U CN 201821533222U CN 208891072 U CN208891072 U CN 208891072U
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- circuit board
- power amplifier
- amplifier circuit
- instruction device
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Abstract
It further include power module, alarm module, reset switch, power control terminal and the signal acquisition module being electrically connected respectively with processor the utility model discloses a kind of multi-channel power amplifier circuit board exception instruction device, including processor；The alarm module includes buzzer and several indicator lights；The signal acquisition module includes several binary channels optocouplers and several single channel optocouplers；The quantity of the indicator light is equal to the quantity of binary channels optocoupler multiplied by two, in addition the sum of the quantity of single channel optocoupler.The utility model can fast and accurately indicate the abnormal position of multi-channel power amplifier circuit board, and exception is quickly solved for technical staff and provides fundamental, also has the characteristics that structure is simple, easy to use.
Description
Technical field
The utility model relates to fault detection means, more particularly to a kind of multi-channel power amplifier circuit board instruction dress extremely
It sets.
Background technique
With the development of electronic technology and power amplifier technology, the integrated level of power amplifier is higher and higher, especially in multi-channel power amplifier
Field, user require the output of power amplifier also higher and higher therefore also higher and higher to the exploitation and test request of power amplifier.
In the fault testing apparatus of current multi-channel digital power amplifier, it is typically only capable to judge that power amplifier whether there is failure,
Without that can accurately judge and prompt location of fault, the judgement of abort situation and solution is made to cause certain difficulty, makes failure solution
Time certainly substantially extends.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of multi-channel power amplifier circuit board is different
Normal instruction device, can fast and accurately indicate abnormal position, and abnormal factors are quickly solved for technical staff and are provided substantially
Element also has the characteristics that structure is simple, easy to use.
To solve the above problems, technical solution used by the utility model is as follows:
Multi-channel power amplifier circuit board exception instruction device, comprising: processor further includes being electrically connected respectively with processor
Power module, alarm module, reset switch, power control terminal and signal acquisition module；
The alarm module includes buzzer and several indicator lights；
The signal acquisition module includes several binary channels optocouplers and several single channel optocouplers；
Further, the power module includes at least one LM2596 voltage stabilizing chip.
Further, the processor is STC10F series monolithic.
Further, the indicator light is the light emitting diode of red blue one.
Further, the quantity of the indicator light is equal to the quantity of binary channels optocoupler multiplied by two, in addition single channel optocoupler
The sum of quantity.
Compared with prior art, the utility model has the beneficial effects that:
It can fast and accurately indicate abnormal position, abnormal factors are quickly solved for technical staff provide to want substantially
Element also has the characteristics that structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Wherein: processor 10；Power module 20；Alarm module 30；Buzzer 31；Indicator light 32；Reset switch 40；Power supply
Control terminal 50；Signal acquisition module 60；Binary channels optocoupler 61；Single channel optocoupler 62；Circuit board under test 70;Relay 71；Chip
Power supply 72；Power amplifier chips 73.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model:
As shown in Figure 1, multi-channel power amplifier circuit board exception instruction device, comprising: processor 10, further include respectively with processing
Power module 20, alarm module 30, reset switch 40, power control terminal 50 and the signal acquisition module 60 that device 10 is electrically connected；
The power module 20 is used to provide power supply to the utility model；
The alarm module 30 includes buzzer 31 and several indicator lights 32；Buzzer 31 when circuit board under test 70 is abnormal
Alarm sound is issued, while indicator light 32 uses lamplight pointing error message；
After the reset switch 40 is used for 70 troubleshooting of circuit board under test, the utility model is initialized, while relay
Device 71 is connected, and restores the power supply supply of circuit board under test 70.
The control terminal of the power control terminal 50 and relay 71 is electrically connected, and according to the control signal of processor 10, is made
Relay 71 is on or off-state；
The signal acquisition module 60 includes several binary channels optocouplers 61 and several single channel optocouplers 62, the bilateral
The output end of road optocoupler 61 and chip power 72 is electrically connected, after the electrical output signal of chip power 72 is passed through photoelectric coupling,
Processor 10 is sent to be handled；The output end of single channel optocoupler 62 and power amplifier chips 73 is electrically connected, by power amplifier chips 73
Electrical output signal by being sent to processor 10 and being handled after photoelectric coupling；
Further, each binary channels optocoupler 61 is electrically connected with the output end of two chip powers 72 simultaneously.
Further, the power module 20 includes at least one LM2596 voltage stabilizing chip, is provided surely for the utility model
Fixed voltage.
Further, the processor 10 is STC10F series monolithic, and STC10F series monolithic is internally integrated reset
Circuit can simplify the structure of the utility model.
Further, the indicator light 32 is the light emitting diode of red blue one, when the parameter of circuit board under test 70 is normal
It is displayed in blue, whens abnormal parameters is displayed in red.
Further, the quantity that the quantity of the indicator light 32 is equal to binary channels optocoupler 61 adds single channel multiplied by two
The sum of the quantity of optocoupler 62.
Multi-channel power amplifier circuit board exception instruction device uses citing:
In the example, circuit board under test 70 is the output of six channels.
Each binary channels optocoupler 61 is electrically connected with the output end of two chip powers 72 simultaneously, has used three in the example
A binary channels optocoupler 61；Single channel optocoupler 62 is electrically connected with the output end of power amplifier chips 73 respectively, has used six in the example
A single channel optocoupler 62；The control terminal of power control terminal 50 and relay 71 is electrically connected；It is respectively turned on 20 He of power module
Relay 71, respectively the utility model and circuit board under test 70 is powered, and starts to test.
Binary channels optocoupler 61 and single channel optocoupler 62 are sent to processing after the signal respectively detected is passed through photoelectric coupling
Device 10, processor 10 is compared according to pre-set parameter with the parameter of real-time detection, when parameter is abnormal, processing
Device 10 first by power control terminal 50 issue signal, relay 71 is disconnected, cut off circuit board under test 70 power supply, protection to
Slowdown monitoring circuit plate 70 and its load；Buzzer 31 issues alarm sound simultaneously, and indicator light 32 corresponding with abort situation is displayed in red；
The quantity of indicator light 32 is equal to the quantity of binary channels optocoupler 61 multiplied by two in this, along with single channel optocoupler 62 quantity it
With 12 total, the corresponding unique measured signal of each indicator light 32.
The abnormal signal position that operator indicates according to indicator light 32, is handled.After the completion of abnormality processing, click multiple
Bit switch 40, processor 10 issue signal by power control terminal 50, and relay 71 is connected, is tested again.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (5)
1. multi-channel power amplifier circuit board exception instruction device characterized by comprising processor, further include respectively with processor
Power module, alarm module, reset switch, power control terminal and the signal acquisition module of electric connection；
The alarm module includes buzzer and several indicator lights；
The signal acquisition module includes several binary channels optocouplers and several single channel optocouplers.
2. multi-channel power amplifier circuit board exception instruction device as described in claim 1, it is characterised in that: the power module packet
Include at least one LM2596 voltage stabilizing chip.
3. multi-channel power amplifier circuit board exception instruction device as described in claim 1, it is characterised in that: the processor is
STC10F series monolithic.
4. multi-channel power amplifier circuit board exception instruction device as described in claim 1, it is characterised in that: the indicator light is red
The light emitting diode of blue one.
5. multi-channel power amplifier circuit board exception instruction device as described in claim 1, it is characterised in that: the number of the indicator light
Amount is equal to the quantity of binary channels optocoupler multiplied by two, in addition the sum of the quantity of single channel optocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821533222.XU CN208891072U (en) | 2018-09-19 | 2018-09-19 | Multi-channel power amplifier circuit board exception instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821533222.XU CN208891072U (en) | 2018-09-19 | 2018-09-19 | Multi-channel power amplifier circuit board exception instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208891072U true CN208891072U (en) | 2019-05-21 |
Family
ID=66512990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821533222.XU Active CN208891072U (en) | 2018-09-19 | 2018-09-19 | Multi-channel power amplifier circuit board exception instruction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208891072U (en) |
-
2018
- 2018-09-19 CN CN201821533222.XU patent/CN208891072U/en active Active
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