CN108306491B - Program-controlled miniaturized AC/DC power supply based on DC bus and device thereof - Google Patents
Program-controlled miniaturized AC/DC power supply based on DC bus and device thereof Download PDFInfo
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- CN108306491B CN108306491B CN201711435283.2A CN201711435283A CN108306491B CN 108306491 B CN108306491 B CN 108306491B CN 201711435283 A CN201711435283 A CN 201711435283A CN 108306491 B CN108306491 B CN 108306491B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
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Abstract
The invention discloses a program-controlled miniaturized alternating current-direct current power supply based on a direct current bus and a device thereof, which can realize the matching of a plurality of direct current power supply modules and alternating current power supply modules, can carry out remote control and have small volume. The technical scheme of the invention is as follows: and the alternating current input module is configured for receiving an externally input three-phase alternating current power supply. And the rectifying module is configured to rectify the three-phase alternating current power supply and output a high-voltage direct current power supply. And the alternating current power supply module is configured for processing the high-voltage direct current power supply according to the first remote control signal to obtain alternating current power supply output. And the direct-current power supply module is configured to process the high-voltage direct-current power supply according to the second remote control signal to obtain direct-current power supply output. And the series-parallel output control module is configured for controlling the output of the alternating current power supply and the output of the direct current power supply to carry out series output or parallel output.
Description
Technical Field
The invention relates to the technical field of automatic testing, in particular to a program-controlled miniaturized alternating current-direct current power supply based on a direct current bus and a device thereof.
Background
With the rapid development of electronic technology, the models of electronic equipment are upgraded and updated more and more rapidly, and the requirement on automatic testing in the related development and production process is greater and greater; the requirement for the capability of a single set of automatic test system for testing and measuring various electronic devices is higher and higher; based on the design idea of the power supply of the existing automatic test system, the power supply module has insufficient informatization degree, limited program control capability and program control range of the module output characteristics, and high difficulty in upgrading and expanding the power supply due to the fact that the power supply module lacks of general design and has poor mutual compatibility, so that the automatic test system needs to be configured with more and more alternating current and direct current power supply modules with different frequencies, different voltages and different powers to meet the test requirements of various electronic devices, circuits with the same functions in the power supply module are repeatedly configured like rectification, the power supply module is increasingly bulky in size and weight, and the utilization rate cannot be improved.
Disclosure of Invention
In view of this, the invention provides a program-controlled miniaturized ac/dc power supply based on a dc bus and a device thereof, which can realize the matching of a plurality of dc power supply modules and ac power supply modules, can perform remote control, and has a small volume.
An embodiment of one aspect of the present invention provides a program-controlled miniaturized ac/dc power supply based on a dc bus, including:
and the alternating current input module is configured for receiving an externally input three-phase alternating current power supply.
And the rectifying module is configured to rectify the three-phase alternating current power supply and output a high-voltage direct current power supply.
And the alternating current power supply module is configured for processing the high-voltage direct current power supply according to the first remote control signal to obtain alternating current power supply output.
And the direct-current power supply module is configured to process the high-voltage direct-current power supply according to the second remote control signal to obtain direct-current power supply output.
And the series-parallel output control module is configured for controlling the output of the alternating current power supply and the output of the direct current power supply to carry out series output or parallel output.
Further, the number of the alternating current power supply modules is greater than or equal to 1, and the number of the direct current power supply modules is greater than or equal to 1.
Furthermore, the power supply also comprises a power supply monitoring module which is configured to obtain the output of the direct current power supply and the output of the alternating current power supply, so as to realize the state monitoring of the direct current power supply module and the alternating current power supply module.
Further, the direct current power supply module comprises a first input protection circuit, a direct current-direct current dc/dc converter, a first feedback adjusting unit, a first remote control unit, a direct current output filter and a first auxiliary power supply.
And the first input protection circuit receives a high-voltage direct-current power supply, and the high-voltage direct-current power supply is output to the dc/dc converter through the first input protection circuit.
The dc/dc converter receives the direct current control parameter input by the first feedback adjusting unit, performs dc/dc conversion on the high-voltage direct current power supply according to the direct current control parameter, and outputs the direct current power supply conforming to the direct current control parameter to the direct current output filter; the direct current control parameters include direct current voltage control parameters and direct current control parameters.
And filtering the direct-current power supply according with the direct-current control parameters by a direct-current output filter to obtain direct-current power supply output.
And the first feedback adjusting unit is used for acquiring a first remote control signal received by the first remote control unit and generating a direct current control parameter according to the first remote control signal.
The first remote control unit is connected with the remote control interface and used for acquiring a first remote control signal.
And the first auxiliary power supply is used for acquiring the output of the first input protection circuit, processing the output to obtain an auxiliary power supply which is adaptive to the first feedback regulation unit and the first remote control unit and supplying power to the first feedback regulation unit and the first remote control unit.
Further, the alternating current power supply module comprises a second input protection circuit, a single-phase inverter, a second feedback regulation unit, a second remote control unit, a passive LC filter and a second auxiliary power supply.
And the second input protection circuit receives the high-voltage direct-current power supply, and the high-voltage direct-current power supply is output to the single-phase inverter through the second input protection circuit.
The single-phase inverter receives the alternating current control parameters input by the second feedback adjusting unit, performs single-phase inversion processing on the high-voltage direct-current power supply according to the alternating current control parameters, and outputs the alternating current power supply conforming to the alternating current control parameters to the LC filter; the ac control parameters include ac voltage control parameters, ac current control parameters, and ac frequency control parameters.
And filtering the alternating current power supply according with the alternating current control parameters by an LC filter to obtain alternating current power supply output.
And the second feedback adjusting unit acquires a second remote control signal received by the second remote control unit and generates the alternating current control parameter according to the second remote control signal.
The second remote control unit is connected with the remote control interface and used for acquiring a second remote control signal.
And the second auxiliary power supply is used for acquiring the output of the second input protection circuit, processing the output to obtain an auxiliary power supply which is adaptive to the second feedback regulation unit and the second remote control unit and supplying power to the second feedback regulation unit and the second remote control unit.
Further, the series-parallel connection output control module comprises a set number of relays and relay control chips;
the output end of each direct current power supply module is correspondingly connected with one relay, and the output end of each alternating current power supply module is correspondingly connected with one relay.
The relay control chip receives a series-parallel connection control signal input by the power supply monitoring module and controls the on and off of each relay according to the series-parallel connection control signal so as to control the output of the alternating current power supply and the output of the direct current power supply to carry out series output or parallel output.
And the power supply monitoring module is configured for receiving the series-parallel connection control signal input from the outside and inputting the series-parallel connection control signal to the relay control chip.
And the power supply monitoring module is also configured to supply power to the relay and the relay control chip.
Embodiments of another aspect of the present invention further provide an ac/dc power supply apparatus, which includes a chassis and the ac/dc power supply provided in embodiments of the first aspect of the present invention.
The case is a cuboid box body with an opening on the side surface, and the side surface opposite to the opening on the side surface is a back plate of the case.
The alternating current input module, the rectifying module and the series-parallel connection output control module are all arranged on a back plate of the case.
The alternating current power supply module and the direct current power supply module are both of box structures, and the alternating current power supply module and the direct current power supply module are inserted into the chassis through side openings.
Furthermore, the upper surface and the lower surface of the alternating current power supply module are connected with the upper surface and the lower surface of the interior of the case in a sliding mode through guide rails.
The upper surface and the lower surface of the direct current power supply module are connected with the upper surface and the lower surface of the inside of the case in a sliding mode through guide rails.
Has the advantages that:
1. the program-controlled miniaturized AC/DC power supply based on the DC bus has the technical scheme that the AC/DC power supply can be simultaneously provided, the voltage, the current and the frequency of the AC power supply can be remotely controlled, the voltage and the current of the DC power supply can be remotely controlled, and the DC power supply modules support series-parallel connection to meet the requirement of re-expansion of a DC output voltage range and DC output power, so that the matching of a plurality of DC power supply modules and the AC power supply modules is realized, the remote control can be carried out, and the problems of various types, large volume and weight and low utilization rate of the power supply of an automatic test system caused by the fact that the automatic test system configures a plurality of power supplies to meet the test requirements of various electronic equipment are effectively solved.
2. The alternating current-direct current power supply device provided by the invention is characterized in that an alternating current input module, a rectifying module and a series-parallel connection output control module are all arranged on a back plate of a case; alternating current power supply module and direct current power supply module are the box structure, insert in the quick-witted case through the side opening, can realize the extension to alternating current and direct current power supply module through the volume setting of quick-witted case. The structure is reasonable in configuration, high in space utilization rate and capable of fully realizing the characteristic that the miniaturization and the expandability of the AC/DC power supply are realized.
Drawings
Fig. 1 is a block diagram of a program-controlled miniaturized ac/dc power supply based on a dc bus according to an embodiment of the present invention;
fig. 2 is a block diagram of a dc power module according to an embodiment of the present invention;
FIG. 3 is a block diagram of an AC power module according to an embodiment of the present invention;
FIG. 4 is a block diagram of a power supply monitoring module according to an embodiment of the present invention;
fig. 5 is a structural diagram of an ac/dc power supply apparatus provided in an embodiment of the present invention;
fig. 6 is a structural diagram of a backplane of a chassis according to an embodiment of the present invention;
fig. 7 is a schematic view of a guide rail on a box body of an ac power supply module provided in an embodiment of the present invention.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
Example 1
Referring to fig. 1, fig. 1 is a block diagram illustrating a program-controlled miniaturized ac/dc power supply based on a dc bus according to an embodiment of the present invention.
In the embodiment of the invention, the program-controlled miniaturized AC/DC power supply based on the DC bus comprises the following modules:
the system comprises an alternating current input module, a power supply module and a power supply module, wherein the alternating current input module is configured to receive an externally input three-phase alternating current power supply;
the rectification module is configured to rectify the three-phase alternating current power supply and output a high-voltage direct current power supply; the traditional alternating current and direct current power supply module is integrated with a rectification function, the rectification function is independent into a rectification module in the embodiment of the invention, the rectification module directly rectifies a three-phase alternating current power supply, and the rectification module can be integrated with an alternating current power supply module interface and a direct current power supply module interface and is respectively used for being directly connected with the alternating current power supply module and the direct current power supply module.
And the alternating current power supply module is configured for processing the high-voltage direct current power supply according to the first remote control signal to obtain alternating current power supply output.
And the direct-current power supply module is configured to process the high-voltage direct-current power supply according to the second remote control signal to obtain direct-current power supply output.
And the series-parallel output control module is configured for controlling the output of the alternating current power supply and the output of the direct current power supply to carry out series output or parallel output.
In the embodiment of the invention, the alternating current power supply module and the direct current power supply module are independent power supply processing modules, so that the expandability is realized, the number of the alternating current power supply modules can be more than or equal to 1, and the number of the direct current power supply modules can also be more than or equal to 1. In practical application, the number of the alternating current power supply modules and the number of the direct current power supply modules can be increased or decreased according to the requirements of automatic test equipment.
In the embodiment of the invention, in order to realize the monitoring of the AC and DC power supply modules, a power supply monitoring module is added, and the module is configured to obtain the DC power supply output and the AC power supply output so as to realize the state monitoring of the DC power supply module and the AC power supply module.
The alternating current power supply and the direct current power supply can simultaneously provide alternating current power supplies, the voltage, the current and the frequency of the alternating current power supply can be remotely controlled, the voltage and the current of the direct current power supply can be remotely controlled, and the direct current power supply modules support series-parallel connection to meet the requirement of the direct current output voltage range and the re-expansion of the direct current output power, so that the matching of a plurality of direct current power supply modules and the alternating current power supply modules is realized, the remote control can be carried out, and the problems of various types, large volume and weight and low utilization rate of the power supplies of the automatic testing system caused by the fact that the automatic testing system configures a plurality of power supplies to meet the testing requirements of various.
Referring to fig. 2, fig. 2 is a block diagram of a dc power module according to an embodiment of the present invention, and as shown in fig. 2, the dc power module includes a first input protection circuit, a dc-dc/dc converter, a first feedback adjustment unit, a first remote control unit, a dc output filter, and a first auxiliary power supply.
And the first input protection circuit receives a high-voltage direct-current power supply, and the high-voltage direct-current power supply is output to the dc/dc converter through the first input protection circuit.
The dc/dc converter receives the direct current control parameter input by the first feedback adjusting unit, performs dc/dc conversion on the high-voltage direct current power supply according to the direct current control parameter, and outputs the direct current power supply conforming to the direct current control parameter to the direct current output filter; the direct current control parameters include direct current voltage control parameters and direct current control parameters.
And filtering the direct-current power supply according with the direct-current control parameters by a direct-current output filter to obtain direct-current power supply output.
And the first feedback adjusting unit is used for acquiring a first remote control signal received by the first remote control unit and generating a direct current control parameter according to the first remote control signal.
The first remote control unit is connected with the remote control interface and used for acquiring a first remote control signal.
And the first auxiliary power supply is used for acquiring the output of the first input protection circuit, processing the output to obtain an auxiliary power supply which is adaptive to the first feedback regulation unit and the first remote control unit and supplying power to the first feedback regulation unit and the first remote control unit.
Referring to fig. 3, fig. 3 is a block diagram of an ac power module according to an embodiment of the present invention; as shown in fig. 3, the ac power supply module includes a second input protection circuit, a single-phase inverter, a second feedback adjustment unit, a second remote control unit, a passive LC filter, and a second auxiliary power supply.
And the second input protection circuit receives the high-voltage direct-current power supply, and the high-voltage direct-current power supply is output to the single-phase inverter through the second input protection circuit.
The single-phase inverter receives the alternating current control parameters input by the second feedback adjusting unit, performs single-phase inversion processing on the high-voltage direct-current power supply according to the alternating current control parameters, and outputs the alternating current power supply conforming to the alternating current control parameters to the LC filter; the ac control parameters include ac voltage control parameters, ac current control parameters, and ac frequency control parameters.
And filtering the alternating current power supply according with the alternating current control parameters by an LC filter to obtain alternating current power supply output.
And the second feedback adjusting unit acquires a second remote control signal received by the second remote control unit and generates the alternating current control parameter according to the second remote control signal.
The second remote control unit is connected with the remote control interface and used for acquiring a second remote control signal.
And the second auxiliary power supply is used for acquiring the output of the second input protection circuit, processing the output to obtain an auxiliary power supply which is adaptive to the second feedback regulation unit and the second remote control unit and supplying power to the second feedback regulation unit and the second remote control unit.
The series-parallel connection output control module comprises a set number of relays and relay control chips;
the output end of each direct current power supply module is correspondingly connected with a relay, and the output end of each alternating current power supply module is correspondingly connected with a relay;
the relay control chip receives a series-parallel connection control signal input by the power supply monitoring module and controls the on and off of each relay according to the series-parallel connection control signal so as to control the output of the alternating current power supply and the output of the direct current power supply to carry out series connection output or parallel connection output;
in this case, the power supply monitoring module is composed as shown in fig. 4.
And the power supply monitoring module is configured for receiving the series-parallel connection control signal input from the outside and inputting the series-parallel connection control signal to the relay control chip.
And the power supply monitoring module is also configured to supply power to the relay and the relay control chip.
Example 2
In order to implement the installation of the program-controlled miniaturized ac/dc power supply, an embodiment of the present invention further provides an ac/dc power supply apparatus, whose structure is shown in fig. 5,
the alternating current and direct current power supply device comprises a case and the alternating current and direct current power supply;
the case is a cuboid box with an opening on the side face, and the side face opposite to the opening on the side face is a back plate of the case.
The alternating current input module, the rectifying module and the series-parallel output control module are all arranged on a back plate of the case, and the structure of the back plate is shown in fig. 6.
The alternating current power supply module and the direct current power supply module are both of box structures, and the alternating current power supply module and the direct current power supply module are inserted into the chassis through side openings.
In order to realize the rapid insertion or extraction of the alternating current power supply module and the direct current power supply module into or out of the case, in the embodiment of the invention, the upper surface and the lower surface of the alternating current power supply module are connected with the upper surface and the lower surface inside the case in a sliding manner through guide rails; the guide rail on the box body of the alternating current power supply module is shown in figure 7.
The upper surface and the lower surface of the direct current power supply module are connected with the upper surface and the lower surface of the inside of the case in a sliding mode through guide rails.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a programme-controlled miniaturized alternating current-direct current power supply based on direct current bus which characterized in that, the power includes:
the system comprises an alternating current input module, a power supply module and a power supply module, wherein the alternating current input module is configured to receive an externally input three-phase alternating current power supply;
the rectification module is configured to rectify the three-phase alternating current power supply and output a high-voltage direct current power supply; an alternating current power supply module interface and a direct current power supply module interface are integrated in the rectification module and are respectively used for being directly connected with the alternating current power supply module and the direct current power supply module;
the alternating current power supply module is configured to process the high-voltage direct current power supply according to a first remote control signal to obtain alternating current power supply output;
the alternating current power supply module comprises a second input protection circuit, a single-phase inverter, a second feedback regulation unit, a second remote control unit, a passive LC filter and a second auxiliary power supply;
the second input protection circuit receives the high-voltage direct-current power supply, and the high-voltage direct-current power supply is output to the single-phase inverter through the second input protection circuit;
the single-phase inverter receives the alternating current control parameters input by the second feedback adjusting unit, performs single-phase inversion processing on the high-voltage direct-current power supply according to the alternating current control parameters, and outputs the alternating current power supply conforming to the alternating current control parameters to the LC filter; the alternating current control parameters comprise alternating current voltage control parameters, alternating current control parameters and alternating current frequency control parameters;
the alternating current power supply conforming to the alternating current control parameters is filtered by the LC filter to obtain the output of the alternating current power supply;
the second feedback adjusting unit acquires a second remote control signal received by the second remote control unit and generates the alternating current control parameter according to the second remote control signal;
the second remote control unit is connected with the remote control interface and is used for acquiring a second remote control signal;
the second auxiliary power supply acquires the output of the second input protection circuit, processes the output to obtain an auxiliary power supply which is adapted to the second feedback regulation unit and the second remote control unit, and is used for supplying power to the second feedback regulation unit and the second remote control unit;
the direct-current power supply module is configured to process the high-voltage direct-current power supply according to a second remote control signal to obtain direct-current power supply output;
the direct-current power supply module comprises a first input protection circuit, a direct-current-direct-current/direct-current converter, a first feedback adjusting unit, a first remote control unit, a direct-current output filter and a first auxiliary power supply;
the first input protection circuit receives the high-voltage direct-current power supply, and the high-voltage direct-current power supply is output to the dc/dc converter through the first input protection circuit;
the dc/dc converter receives the direct current control parameter input by the first feedback adjusting unit, performs dc/dc conversion on the high-voltage direct current power supply according to the direct current control parameter, and outputs the direct current power supply conforming to the direct current control parameter to the direct current output filter; the direct current control parameters comprise direct current voltage control parameters and direct current control parameters;
the direct-current power supply conforming to the direct-current control parameters is filtered by the direct-current output filter to obtain the direct-current power supply output;
the first feedback adjusting unit acquires the first remote control signal received by the first remote control unit and generates the direct current control parameter according to the first remote control signal;
the first remote control unit is connected with the remote control interface and used for acquiring a first remote control signal;
the first auxiliary power supply acquires the output of the first input protection circuit, processes the output to obtain an auxiliary power supply which is adaptive to the first feedback regulation unit and the first remote control unit and is used for supplying power to the first feedback regulation unit and the first remote control unit;
and the series-parallel output control module is configured to control the alternating current power supply output and the direct current power supply output to carry out series output or parallel output.
2. The AC-DC power supply according to claim 1, wherein the number of AC power supply modules is greater than or equal to 1, and the number of DC power supply modules is greater than or equal to 1.
3. The AC-DC power supply of claim 1, further comprising a power supply monitoring module configured to obtain said DC power supply output and said AC power supply output to monitor the status of said DC power supply module and said AC power supply module.
4. The AC-DC power supply of claim 3, wherein the series-parallel output control module includes a set number of relays and relay control chips;
the output end of each direct current power supply module is correspondingly connected with a relay, and the output end of each alternating current power supply module is correspondingly connected with a relay;
the relay control chip receives a series-parallel connection control signal input by the power supply monitoring module and controls the on and off of each relay according to the series-parallel connection control signal so as to control the output of the alternating current power supply and the output of the direct current power supply to carry out series output or parallel output;
the power supply monitoring module is configured to receive a series-parallel connection control signal input from the outside and input the series-parallel connection control signal to the relay control chip;
the power supply monitoring module is also configured to supply power to the relay and the relay control chip.
5. A dc power supply apparatus, comprising a housing and the dc power supply of claim 1;
the case is a cuboid box body with an opening on the side surface, and the side surface opposite to the opening on the side surface is a back plate of the case;
the alternating current input module, the rectifying module and the series-parallel connection output control module are all arranged on a back plate of the case;
the alternating current power supply module and the direct current power supply module are both of box body structures, and the alternating current power supply module and the direct current power supply module are inserted into the chassis through the side opening;
the upper surface and the lower surface of the alternating current power supply module are connected with the upper surface and the lower surface of the inside of the case in a sliding way through guide rails;
the upper surface and the lower surface of the direct current power supply module are connected with the upper surface and the lower surface of the inside of the case in a sliding mode through guide rails.
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| CN106532949A (en) * | 2016-12-05 | 2017-03-22 | 安徽永川电气设备有限公司 | Power distribution cabinet for workshop |
| CN106655732A (en) * | 2016-12-26 | 2017-05-10 | 华北电力大学 | Programmable controller-controlled test object control power supply |
| CN107276376A (en) * | 2017-06-26 | 2017-10-20 | 北京通州开关有限公司 | A kind of multifunctional power instrument teaching experiment system |
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| CN108306491A (en) | 2018-07-20 |
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