CN207096388U - A kind of drive circuit detecting system - Google Patents
A kind of drive circuit detecting system Download PDFInfo
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- CN207096388U CN207096388U CN201720809306.0U CN201720809306U CN207096388U CN 207096388 U CN207096388 U CN 207096388U CN 201720809306 U CN201720809306 U CN 201720809306U CN 207096388 U CN207096388 U CN 207096388U
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- drive circuit
- power supply
- detecting system
- unit
- circuit detecting
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Abstract
The utility model provides a kind of drive circuit detecting system, including：Power supply unit, including the first power supply module and the second power supply module；Control unit, it is electrically connected with first power supply module；Driver element, it is electrically connected with second power supply module and is electrically connected with described control unit；Load unit, including at least one electronic unit；Each electronic unit is located at each output port on the driver element corresponding to being electrically connected with；Detection unit, connect the load unit.Drive circuit detecting system of the present utility model can individually detect the parameters such as the every voltage exported all the way of drive circuit, electric current by the electronic unit of quick detection load unit.The utility model provides a kind of convenient, fast, efficient detecting system to help user fast and accurately to investigate failure.So as to reduce the fault rate of projector's drive circuit board, ensure that the service life of projector.
Description
Technical field
Circuit field is the utility model is related to, more particularly to a kind of drive circuit detecting system.
Background technology
Laser projection can use more than 10000 hours in the ideal situation, but during actual use, projector
It can because of various reasons break down, cause projector can not normal use.What is occurred in projector's running is numerous
In failure, the failure of drive circuit board account for very big defective proportion.And drive circuit board is most important for projector, it
It has impact on the power supply of projector's laser；So if drive circuit board damages, the brightness of projector can be greatly reduced, or even lead
Projector is caused to cannot be started up.So how to monitor the problem of quality of projection drive circuit is into urgent need to resolve.
In the prior art, drive circuit board to be measured is generally installed on projector, test brightness of then starting shooting, so as to sentence
Whether the drive circuit board to be measured that breaks breaks down.But whether current this detection method can only judge drive circuit board
It is faulty, and specific which or which outlet line can not be detected and there is a problem.Moreover, dismounting drive circuit board
Process is also cumbersome, time-consuming.
So how efficiently and conveniently to detect the problem of drive circuit board becomes a urgent need to resolve.
Utility model content
In view of the above the shortcomings that prior art, the technical problems to be solved in the utility model is to provide a kind of driving
Checking system for PCB.
To achieve the above object, the utility model provides a kind of drive circuit detecting system, including：Power supply unit, including
First power supply module and the second power supply module；Control unit, it is electrically connected with first power supply module；Driver element, electrically connect
Connect second power supply module and be electrically connected with described control unit；Load unit, including at least one electronic unit；It is each described
Electronic unit is located at each output port on the driver element corresponding to being electrically connected with；Detection unit, it is single to connect the load
Member.
In an embodiment of the present utility model, the detection unit includes being series at circuit residing for each electronic unit
On ammeter.
In an embodiment of the present utility model, the detection unit includes being parallel to the voltage at the electronic unit both ends
Table.
In an embodiment of the present utility model, the electronic unit includes diode.
In an embodiment of the present utility model, the first power supply module out-put supply is 12V DC power supply.
In an embodiment of the present utility model, the second power supply module out-put supply is 220V AC powers.
In an embodiment of the present utility model, described control unit is provided with two fans.
In an embodiment of the present utility model, the driver element includes the drive circuit of projector.
In an embodiment of the present utility model, described control unit includes the digital micro-mirror control panel of projector.
In an embodiment of the present utility model, described control unit is connected with the driver element by soft arranging wire.
As described above, the utility model, has the advantages that：Drive circuit detecting system of the present utility model passes through
The electronic unit of quick detection load unit, it can individually detect the parameters such as the every voltage exported all the way of drive circuit, electric current.
The utility model provides a kind of convenient, fast, efficient detecting system to help user fast and accurately to investigate failure.From
And the fault rate of projector's drive circuit board is reduced, it ensure that the service life of projector.
Brief description of the drawings
Fig. 1 is shown as the schematic diagram of drive circuit detecting system in the embodiment of the utility model one.
Fig. 2 is shown as the schematic diagram of detection unit in the embodiment of the utility model one.
Fig. 3 is shown as the schematic diagram of drive circuit detecting system in the embodiment of the utility model one.
Fig. 4 is shown as the schematic diagram that drive circuit detecting system is loaded in tub in the embodiment of the utility model one.
Component label instructions
100 drive circuit detecting systems
101 power supply units
1011 first power supply modules
1012 second power supply modules
102 control units
103 driver elements
104 load units
105 detection units
201 ammeters
202 voltmeters
400 tubs
401 fans
402 power supply units
403 drive circuits to be measured
404 diodes
405 digital micro-mirror control panels
406 Digital Detecting tables
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that those skilled in the art understands and reads, it is not limited to the enforceable restriction bar of the utility model
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing
Under the effect of the utility model can be generated and the purpose that can reach, all should still it fall in the technology disclosed in the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as " on ", " under ", "left", "right", the use of " centre " in this specification
Language, be merely convenient to narration understand, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
In one embodiment, as shown in figure 1, the drive circuit detecting system 100 includes：Power supply unit 101, including the
One power supply module 1011 and the second power supply module 1012；Control unit 102, it is electrically connected with first power supply module 101；Driving
Unit 103, it is electrically connected with second power supply module 1012 and is electrically connected with described control unit 102；Load unit 104, bag
Include at least one electronic unit；Each electronic unit is located at each output on the driver element 103 corresponding to being electrically connected with
Port；Detection unit 105, connect the load unit 104.Wherein, the driver element controls via described control unit, defeated
Go out direct current to the load unit；The load unit shows electrical parameter to the detection unit after leading to direct current；User is led to
Cross and be shown in the electrical parameter of the detection unit and judge whether the driver element is in malfunction.
In one embodiment, as shown in Fig. 2 the detection unit includes being series at residing for each electronic unit on circuit
Ammeter 201.Preferably, the ammeter is digital ammeter；Certainly, the ammeter can also be dial type electric current
Table or other types of ammeter.User is by reading the current value on digital ammeter display screen, or passes through reading
The modes such as the pointer on dial type ammeter judge which specific current output value is not just in each output of drive circuit
There is failure in normal scope.
The detection unit includes being parallel to the voltmeter 202 at the electronic unit both ends.The ammeter is digital
Voltmeter；Certainly, the ammeter can also be dial type voltmeter or other types of voltmeter.User is by reading number
Magnitude of voltage on word formula voltmeter display screen, or judge drive circuit by reading the modes such as the pointer on dial type voltmeter
The output of each road in which specific voltage output value there is failure not in normal range (NR).
In one embodiment, as shown in figure 3, described control unit 301 is the digital micro-mirror control panel of projector.The drive
Moving cell 302 is the drive circuit of projector.In one embodiment, described control unit 301 passes through with the driver element 302
Soft arranging wire is connected.The soft arranging wire is soft flat connecting line, its have small volume, convenient disassembly, it is flexible fold, with
And the advantages that good electro-magnetic screen function.
The load unit includes four electronic units, and the electronic unit is diode 303, and each diode connects
Each output port of drive circuit is located at corresponding to connecing.Each both ends of the diode 303 are parallel with voltmeter (not shown), and go here and there
It is associated with ammeter (not shown).First power supply module 304 is 12V DC power supply, and direct current is provided for described control unit 301
Electricity.Second power supply module is 220V AC powers, and alternating current is provided for the driver element 302.For more real mould
Intend the working condition of projector, the digital micro-mirror control panel of the projector is provided with two fans to be radiated.In this implementation
In example, it is 22V that the digital micro-mirror control panel, which controls four road outlet line difference output voltages of the drive circuit, and electric current is
2.5A direct current and holding.The direct current is supplied to each diode 303, and voltmeter and ammeter show each diode
Magnitude of voltage and current value.User is by observing the parameter of voltmeter and ammeter judges which output valve of drive circuit not just
Often.For example, the first via connection diode D1 of drive circuit, after drive circuit exports direct current, measures diode D1 voltage
It is worth for 0V, current value 0A, and the magnitude of voltage of other three diodes is 0.7V, current value 2.5A；So as to which user judges, two
There is failure in outlet line corresponding to pole pipe D1.It should be noted that the electricity of the output of drive circuit 302 described in the present embodiment
Pressure value only refers to current value, does not make restriction to specific magnitude of voltage or current value.
In one embodiment, as shown in figure 4, the drive circuit detecting system is interior with simulated projections loaded on a tub 400
The working condition of machine.Side where fan 401 is named as to the left side of the tub 400, said supply unit 402 is located at institute
State the bottom in the left side of tub 400.The tub 400 is stamped a baffle plate (not shown), and the baffle plate is provided with drive circuit to be measured
403.Each diode 404 is located at the bottom on the right side of tub 400, and each diode 404 is in simulated projections machine
The laser in portion.The digital micro-mirror control panel 405 is on the tub 400 on the right side of cover plate (not shown).Digital Detecting table
406, including the voltmeter and the ammeter, on the tub 400 on the left of cover plate (not shown).
Circuit field is the utility model is related to, in particular, is related to drive circuit detecting system.Drive of the present utility model
Dynamic electronic unit of the checking system for PCB by quick detection load unit, it can individually detect that drive circuit is every and export all the way
Voltage, the parameter such as electric current.The utility model provides a kind of convenient, fast, efficient detecting system to help user quick
Accurately investigation failure.So as to reduce the fault rate of projector's drive circuit board, ensure that the service life of projector.
In summary, the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value
Value.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (10)
- A kind of 1. drive circuit detecting system, it is characterised in that including：Power supply unit, including the first power supply module and the second power supply module；Control unit, it is electrically connected with first power supply module；Driver element, it is electrically connected with second power supply module and is electrically connected with described control unit；Load unit, including at least one electronic unit；Each electronic unit is located at the driving list corresponding to being electrically connected with Each output port in member；Detection unit, connect the load unit.
- 2. drive circuit detecting system according to claim 1, it is characterised in that the detection unit includes being series at respectively Ammeter residing for the electronic unit on circuit.
- 3. drive circuit detecting system according to claim 1, it is characterised in that the detection unit includes being parallel to institute State the voltmeter at electronic unit both ends.
- 4. drive circuit detecting system according to claim 1, it is characterised in that the electronic unit includes diode.
- 5. drive circuit detecting system according to claim 1, it is characterised in that the first power supply module out-put supply For 12V DC power supply.
- 6. drive circuit detecting system according to claim 1, it is characterised in that the second power supply module out-put supply For 220V AC powers.
- 7. drive circuit detecting system according to claim 1, it is characterised in that described control unit is provided with two wind Fan.
- 8. drive circuit detecting system according to claim 1, it is characterised in that the driver element includes projector Drive circuit.
- 9. drive circuit detecting system according to claim 1, it is characterised in that described control unit includes projector Digital micro-mirror control panel.
- 10. drive circuit detecting system according to claim 1, it is characterised in that described control unit and the driving Unit is connected by soft arranging wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809306.0U CN207096388U (en) | 2017-07-05 | 2017-07-05 | A kind of drive circuit detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809306.0U CN207096388U (en) | 2017-07-05 | 2017-07-05 | A kind of drive circuit detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096388U true CN207096388U (en) | 2018-03-13 |
Family
ID=61555607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720809306.0U Active CN207096388U (en) | 2017-07-05 | 2017-07-05 | A kind of drive circuit detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207096388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113419159A (en) * | 2021-05-31 | 2021-09-21 | 歌尔光学科技有限公司 | Testing method, testing device and testing circuit of flexible circuit board |
| EP4113182A1 (en) * | 2021-06-28 | 2023-01-04 | Google LLC | High voltage monitoring for optical switching applications |
-
2017
- 2017-07-05 CN CN201720809306.0U patent/CN207096388U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113419159A (en) * | 2021-05-31 | 2021-09-21 | 歌尔光学科技有限公司 | Testing method, testing device and testing circuit of flexible circuit board |
| CN113419159B (en) * | 2021-05-31 | 2022-10-18 | 歌尔光学科技有限公司 | Testing method, testing device and testing circuit of flexible circuit board |
| EP4113182A1 (en) * | 2021-06-28 | 2023-01-04 | Google LLC | High voltage monitoring for optical switching applications |
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