CN209233709U - A kind of multiple power supplies - Google Patents
A kind of multiple power supplies Download PDFInfo
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- CN209233709U CN209233709U CN201822218744.7U CN201822218744U CN209233709U CN 209233709 U CN209233709 U CN 209233709U CN 201822218744 U CN201822218744 U CN 201822218744U CN 209233709 U CN209233709 U CN 209233709U
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- circuit
- multiple power
- data acquisition
- power supplies
- conversion module
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Abstract
The utility model belongs to military vehicle-mounted computer testing technology field, and in particular to a kind of multiple power supplies.To solve prior art problem, multiple power supplies provided by the utility model include: switch power module, multiple power conversion modules, data acquisition circuit, controller, industrial serial ports display screen, load interface circuit；Technical solutions of the utility model can be the power supply of car-mounted computer display and control terminal, liquid crystal display driver, light adjusting circuit, circuit board chip before factory when commissioning and the acquisition and monitoring to its operating current, voltage parameter simultaneously, reduce the usage quantity of DC power supply, it ensure that reliability and Current Voltage detection accuracy that onbord computer terminal is powered in commissioning process simultaneously, so that the commissioning for vehicle electricity product provides stable, accurate test condition.
Description
Technical field
The utility model belongs to military vehicle-mounted computer testing technology field, and in particular to a kind of multiple power supplies.
Background technique
It is needed sometimes in product testing, debugging process simultaneously using multi-channel dc power supply, wherein 24V power supply is to vehicle computing
Machine display and control terminal power supply, 12V power supply to liquid crystal display driver power, 5V regulated power supply to light adjusting circuit power, 3.3V power supply to
Product circuit chip on board is powered, and when needing while using above-mentioned different voltages, single power supply is unable to satisfy to use and need at present
It asks, at this moment needs using multiple DC power supplies.
Utility model content
(1) technical problems to be solved
Technical problem to be solved by the utility model is: how to provide one kind under the technological accumulation and inheritance of above-mentioned background technique
For car-mounted computer display and control terminal, liquid crystal display driver, light adjusting circuit, chips on circuit boards power supply, electric current and voltage acquisition, prison
Depending on multiple power supplies.
(2) technical solution
Above-mentioned technical problem is solved, the utility model provides a kind of multiple power supplies, and the multiple power supplies include: Switching Power Supply
Module, multiple power conversion modules, data acquisition circuit, controller, industrial serial ports display screen, load interface circuit；
The multiple power conversion module is divided into the first power conversion module, second source conversion module and third power supply and turns
Change module；
Wherein,
The switch power module is equipped with four way outlets, wherein the first way outlet connection data acquisition circuit, second
Way outlet connects the data acquisition circuit by second source conversion module, and third way outlet passes through third power conversion module
The data acquisition circuit is connected, the 4th way outlet connects the data acquisition circuit by the 4th power conversion module；
The data acquisition circuit is separately connected load interface circuit and controller；
The controller connects industrial serial ports display screen；
The load interface circuit connects test product.
Wherein, the switch power module is 24V switch power module.
Wherein, first power conversion module is the reduction voltage circuit that 24V turns 12V.
Wherein, the second source conversion module is the reduction voltage circuit that 24V turns 5V.
Wherein, the third power conversion module is the reduction voltage circuit that 24V turns 3.3V.
Wherein, the data acquisition circuit is voltage, current data Acquisition Circuit.
Wherein, the data acquisition circuit connects controller by iic bus.
Wherein, the controller connects industrial serial ports display screen by RS232 bus.
Wherein, the test product includes car-mounted computer display and control terminal, liquid crystal display driver, light adjusting circuit, product electricity
Road chip on board.
(3) beneficial effect
Technical solutions of the utility model can be simultaneously car-mounted computer display and control terminal, liquid crystal display driver, light adjusting circuit,
Power supply of the circuit board chip before factory when commissioning and the acquisition and monitoring to its operating current, voltage parameter, reduce direct current
The usage quantity of power supply, while ensure that reliability and Current Voltage detection standard that onbord computer terminal is powered in commissioning process
True property, so that the commissioning for vehicle electricity product provides stable, accurate test condition.
Detailed description of the invention
Fig. 1 is the composition block diagram of the utility model multiple power supplies.
Specific embodiment
To keep the purpose of this utility model, content and advantage clearer, with reference to the accompanying drawings and examples, to this reality
It is described in further detail with novel specific embodiment.
To solve problem of the prior art, the utility model provides a kind of multiple power supplies, as shown in Figure 1, the Multi-path electricity
Source includes: switch power module, multiple power conversion modules, data acquisition circuit, controller, industrial serial ports display screen, load
Interface circuit；
The multiple power conversion module is divided into the first power conversion module, second source conversion module and third power supply and turns
Change module；
Wherein,
The switch power module is equipped with four way outlets, wherein the first way outlet connection data acquisition circuit, second
Way outlet connects the data acquisition circuit by second source conversion module, and third way outlet passes through third power conversion module
The data acquisition circuit is connected, the 4th way outlet connects the data acquisition circuit by the 4th power conversion module；
The data acquisition circuit is separately connected load interface circuit and controller；
The controller connects industrial serial ports display screen；
The load interface circuit connects test product.
Wherein, the switch power module is 24V switch power module.
Wherein, first power conversion module is the reduction voltage circuit that 24V turns 12V.
Wherein, the second source conversion module is the reduction voltage circuit that 24V turns 5V.
Wherein, the third power conversion module is the reduction voltage circuit that 24V turns 3.3V.
Wherein, the data acquisition circuit is voltage, current data Acquisition Circuit.
Wherein, the data acquisition circuit connects controller by iic bus.
Wherein, the controller connects industrial serial ports display screen by RS232 bus.
Wherein, the test product includes car-mounted computer display and control terminal, liquid crystal display driver, light adjusting circuit, product electricity
Road chip on board.
Technical solutions of the utility model implementation process, Switching Power Supply 24V is by multiple for playing the power supply of antihypertensive effect
Conversion module generates 12V, 5V, 3.3V voltage, and the 24V voltage of Simultaneous Switching power supply also directly exports；
Data acquisition module acquires above-mentioned four road voltage, current parameters in real time, is connected to by iic bus as at core
Manage the controller of unit；
Data acquisition module is accessed by load interface circuit using test product as load simultaneously；
It is core that controller, which selects high speed ARM single-chip microcontroller, and real time data is filtered by moving average filter algorithm,
Industrial serial ports display screen is sent data to by RS232 interface to show.
Through the above technical solutions, the utility model realizes car-mounted computer display and control terminal, liquid crystal display screen drive board, light modulation electricity
Road, the power supply of chips on circuit boards and the display of operating current, voltage parameter.
To sum up, multiple power supplies collection multiple power supplies supply, data acquire, are shown in one, realize modularization and acquire, is real
When data monitoring, have very big breakthrough in integration, systematicness and maintainability.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (9)
1. a kind of multiple power supplies, which is characterized in that the multiple power supplies include: switch power module, multiple power conversion modules,
Data acquisition circuit, controller, industrial serial ports display screen, load interface circuit；
The multiple power conversion module is divided into the first power conversion module, second source conversion module and third power conversion mould
Block；
Wherein,
The switch power module is equipped with four way outlets, wherein the first way outlet connects the data acquisition circuit, the second tunnel goes out
Mouth connects the data acquisition circuit by second source conversion module, and third way outlet is connected by third power conversion module
The data acquisition circuit, the 4th way outlet connect the data acquisition circuit by the 4th power conversion module；
The data acquisition circuit is separately connected load interface circuit and controller；
The controller connects industrial serial ports display screen；
The load interface circuit connects test product.
2. a kind of multiple power supplies according to claim 1, which is characterized in that the switch power module is 24V switch electricity
Source module.
3. a kind of multiple power supplies according to claim 2, which is characterized in that first power conversion module turns for 24V
The reduction voltage circuit of 12V.
4. a kind of multiple power supplies according to claim 2, which is characterized in that the second source conversion module turns for 24V
The reduction voltage circuit of 5V.
5. a kind of multiple power supplies according to claim 2, which is characterized in that the third power conversion module turns for 24V
The reduction voltage circuit of 3.3V.
6. a kind of multiple power supplies according to claim 1, which is characterized in that the data acquisition circuit is voltage, electric current
Data acquisition circuit.
7. a kind of multiple power supplies according to claim 1, which is characterized in that the data acquisition circuit passes through iic bus
Connect controller.
8. a kind of multiple power supplies according to claim 1, which is characterized in that the controller is connected by RS232 bus
Industrial serial ports display screen.
9. a kind of multiple power supplies according to claim 1, which is characterized in that the test product includes that car-mounted computer is aobvious
Control terminal, liquid crystal display driver, light adjusting circuit, product circuit chip on board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218744.7U CN209233709U (en) | 2018-12-27 | 2018-12-27 | A kind of multiple power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218744.7U CN209233709U (en) | 2018-12-27 | 2018-12-27 | A kind of multiple power supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209233709U true CN209233709U (en) | 2019-08-09 |
Family
ID=67509447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822218744.7U Active CN209233709U (en) | 2018-12-27 | 2018-12-27 | A kind of multiple power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209233709U (en) |
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2018
- 2018-12-27 CN CN201822218744.7U patent/CN209233709U/en active Active
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