CN207650247U - A kind of adjustable dc voltage device for circuit board test - Google Patents
A kind of adjustable dc voltage device for circuit board test Download PDFInfo
- Publication number
- CN207650247U CN207650247U CN201721748712.7U CN201721748712U CN207650247U CN 207650247 U CN207650247 U CN 207650247U CN 201721748712 U CN201721748712 U CN 201721748712U CN 207650247 U CN207650247 U CN 207650247U
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- circuit board
- connection bar
- adjustable
- 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 provides a kind of adjustable dc voltage device for circuit board test,Including shell and circuit board,It is provided with protecting screen on the front panel of the shell,Connection bar and knob for adjusting voltage,The side of shell is provided with power cord,It is provided with power module on the circuit board,VRM Voltage Regulator Module,Control module,Output module,Drive module and display module,The power module is used for providing the power supply of whole device,The connection bar includes connection bar I and connection bar II,The control module is microcontroller,Collected d. c. voltage signal is inputted drive module by the microcontroller,The d. c. voltage signal received is inputted display module by drive module,The utility model can reach the change of voltage by adjusting potentiometer,And the utility model is simple in structure,It is easy to operate,It is easy to carry,It is at low cost,It may be implemented to produce in enormous quantities.
Description
Technical field
The utility model is related to DC voltage regulation apparatus fields, and in particular to a kind of straight-adjustable for circuit board test
Galvanic electricity pressure device.
Background technology
It is common fault detection method, direct current in circuit system by voltage or current signal detection circuit operating status
Voltage detecting system is the functional circuit that circuit system safe operation is ensured in DC electronic circuit, if detecting abnormal electricity
Pressure, detecting system can send out signal prompt, and in the prior art, in wiring board test process, the confession of various wiring boards
Piezoelectric voltage is different（5V、12V、24V）, in the case of no adjustable DC power supply, it is desirable to provide a variety of Switching Power Supplies or its
His power supply unit, therefore equipment can be caused excessive, trouble is found, and be likely to make mistakes, therefore, it is necessary to design one
A adjustable pressure device of easy direct current, is greatly improved testing efficiency.
Utility model content
The purpose of this utility model is to provide a kind of adjustable dc voltage device for circuit board test, has structure letter
It is single, easy to operate and convenient for adjust voltage the characteristics of.
To achieve the goals above, the utility model adopts the following technical solution：It is a kind of to be used for the adjustable of circuit board test
DC voltage device, including shell and circuit board are provided with protecting screen, connection bar on the front panel of the shell and are used for
The knob of voltage is adjusted, the side of shell is provided with power cord, power module is provided on the circuit board, voltage adjusts mould
Block, control module, output module, drive module and display module, the power module are used for providing the power supply of whole device.
The connection bar includes connection bar I and connection bar II, and the connection bar I is adjusted with voltage
It is electrically connected, is electrically connected between the connection bar II and output module, DC voltage is defeated by connection bar I between module
Entering VRM Voltage Regulator Module, the VRM Voltage Regulator Module includes potentiometer, and DC voltage is sent into control module after potentiometer is adjusted,
At the same time DC voltage is sent into output module, and is sent out by connection bar II, and monolithic is provided in the control module
Collected d. c. voltage signal is inputted drive module, the d. c. voltage signal that drive module will receive by machine, the microcontroller
Input display module.
As a kind of being further improved for adjustable dc voltage device for circuit board test of the utility model, the electricity
Voltage acquisition module is provided in pressure adjustment module, the voltage acquisition module can for output voltage to be converted to control module
With the data of acquisition.
As a kind of being further improved for adjustable dc voltage device for circuit board test of the utility model, the electricity
Source module uses step-down transformer.
As a kind of being further improved for adjustable dc voltage device for circuit board test of the utility model, the list
Piece machine is arm singlechip chips.
It is described aobvious as a kind of being further improved for adjustable dc voltage device for circuit board test of the utility model
Show and is provided with charactron in module.
Advantageous effect
The utility model is a kind of device that can adjust DC voltage size, is mainly used in wiring board test process
In, since the supply voltage of various wiring boards is different, it is therefore desirable to which the DC voltage of multiple numerical value is tested, and this practicality is new
This purpose then may be implemented in type, reaches the change of voltage by adjusting potentiometer, and the utility model is simple in structure, behaviour
Facilitate, it is easy to carry, it is at low cost, it may be implemented to produce in enormous quantities.
Description of the drawings
Fig. 1 is the structural schematic diagram for the device that the utility model adjusts DC voltage size；
Fig. 2 is the principle framework structural schematic diagram for the device that the utility model adjusts DC voltage size；
Fig. 3 is the structural schematic diagram of the circuit board for the device that the utility model adjusts DC voltage size.
In figure：1, shell, 2, circuit board, 101, protecting screen, 102, knob, 103, power cord, 104, connection bar I,
105, connection bar II, 201, power module, 202, VRM Voltage Regulator Module, 203 control modules, 204 output modules, 205, drive
Dynamic model block, 206 display modules.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
As shown, the utility model is a kind of adjustable dc voltage device for circuit board test, including 1 He of shell
Circuit board 2 is provided with protecting screen 101, connection bar and the knob 102 for adjusting voltage on the front panel of the shell 1,
The side of shell 1 is provided with power cord 103, and power module 201, VRM Voltage Regulator Module 202, control are provided on the circuit board
Module 203, output module 204, drive module 205 and display module 206, the power module 201 are used for providing whole device
Power supply.
The connection bar includes connection bar I 104 and connection bar II 105, the connection bar I 104
It is electrically connected, is electrically connected between the connection bar II 105 and output module 204, direct current between VRM Voltage Regulator Module 202
For pressure by I 104 input voltage regulation module 202 of connection bar, the VRM Voltage Regulator Module 202 includes potentiometer, direct current
Pressure is sent into control module 203 after potentiometer is adjusted, and at the same time DC voltage is sent into output module 204, and is connected by circuit
Extension bar II 105 is sent out, and is provided with microcontroller in the control module 203, and the microcontroller is by collected d. c. voltage signal
Drive module 205 is inputted, the d. c. voltage signal received is inputted display module 206 by drive module 205.
It is provided in the VRM Voltage Regulator Module 202 for output voltage to be converted to what control module 203 can acquire
The voltage acquisition module of data is provided with charactron in the display module 206.
In the specific implementation, power module 201 is used for providing the power supply of whole device, including 202 electricity of VRM Voltage Regulator Module
Power supply needed for source and control module 203, DC voltage pass through I 104 input voltage regulation module 202 of connection bar, direct current
Pressure is sent into control module 203 after potentiometer is adjusted, and at the same time DC voltage is sent into output module 204, and is connected by circuit
Extension bar II 105 is sent out, and the control module 203 is microcontroller, and collected d. c. voltage signal is inputted and driven by the microcontroller
The d. c. voltage signal received is inputted display module 206 by dynamic model block 205, drive module 205.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of adjustable dc voltage device for circuit board test, it is characterised in that：Including shell（1）And circuit board（2）,
The shell（1）Front panel on be provided with protecting screen（101）, connection bar and the knob for adjusting voltage（102）, shell
Body（1）Side be provided with power cord（103）, power module is provided on the circuit board（201）, VRM Voltage Regulator Module
（202）, control module（203）, output module（204）, drive module（205）And display module（206）, the power module
（201）For providing the power supply of whole device；
The connection bar includes connection bar I（104）With connection bar II（105）, the connection bar I
（104）With VRM Voltage Regulator Module（202）Between be electrically connected, the connection bar II（105）With output module（204）Between electricity
Connection, DC voltage pass through connection bar I（104）Input voltage regulation module（202）, the VRM Voltage Regulator Module（202）
Including potentiometer, DC voltage is sent into control module after potentiometer is adjusted（203）, at the same time DC voltage, which is sent into, exports mould
Block（204）, and pass through connection bar II（105）It sends out, the control module（203）Inside it is provided with microcontroller, the monolithic
Collected d. c. voltage signal is inputted drive module by machine（205）, drive module（205）The d. c. voltage signal received is defeated
Enter display module（206）.
2. a kind of adjustable dc voltage device for circuit board test according to claim 1, it is characterised in that：It is described
VRM Voltage Regulator Module（202）It is inside provided with voltage acquisition module, the voltage acquisition module is used to output voltage being converted to control
Molding block（203）The data that can be acquired.
3. a kind of adjustable dc voltage device for circuit board test according to claim 1, it is characterised in that：It is described
Power module（201）Using step-down transformer.
4. a kind of adjustable dc voltage device for circuit board test according to claim 1, it is characterised in that：It is described
Microcontroller is arm singlechip chips.
5. a kind of adjustable dc voltage device for circuit board test according to claim 1, it is characterised in that：It is described
Display module（206）Inside it is provided with charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748712.7U CN207650247U (en) | 2017-12-15 | 2017-12-15 | A kind of adjustable dc voltage device for circuit board test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748712.7U CN207650247U (en) | 2017-12-15 | 2017-12-15 | A kind of adjustable dc voltage device for circuit board test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650247U true CN207650247U (en) | 2018-07-24 |
Family
ID=62880640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721748712.7U Expired - Fee Related CN207650247U (en) | 2017-12-15 | 2017-12-15 | A kind of adjustable dc voltage device for circuit board test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650247U (en) |
-
2017
- 2017-12-15 CN CN201721748712.7U patent/CN207650247U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180724 Termination date: 20201215 |