CN214281029U - High-reliability intelligent power distribution control switch with breakpoint recovery function - Google Patents
High-reliability intelligent power distribution control switch with breakpoint recovery function Download PDFInfo
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- CN214281029U CN214281029U CN202120296709.6U CN202120296709U CN214281029U CN 214281029 U CN214281029 U CN 214281029U CN 202120296709 U CN202120296709 U CN 202120296709U CN 214281029 U CN214281029 U CN 214281029U
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Abstract
The utility model discloses a high reliability intelligence distribution control switch with breakpoint restoration function, the input end of power conversion unit is connected with the working power supply, the output end of power conversion unit includes main control power rail and power rail, wherein the main control power rail is connected with the power supply port of the main control unit, the power rail is connected with the power supply port of each power unit; the hard-line control command port of the main control unit is connected with the hard-line control command, the status indicator port of the main control unit is connected with the status indicator, and the communication network port of the main control unit is connected with the communication network; the main control unit comprises at least one group of I/O and AD port groups, and each group of I/O and AD port group of the main control unit is connected with the I/O and AD port group of one power unit. The utility model provides high intelligent power distribution control switch's reliability for intelligent power distribution control switch can adapt to more abominable electromagnetic environment, has effectively promoted many electric energy platform's technical progress completely.
Description
Technical Field
The utility model relates to an intelligent power distribution technical field, concretely relates to high reliability intelligent power distribution control switch with breakpoint restoration function.
Background
With the development of new technology, the secondary energy multi-power/full-power utilization of military and civil equipment platforms such as airplanes, ships, vehicles and the like has become a development trend. The obvious change of the multi-electric/full-electric energy platform is that secondary energy sources such as mechanical energy, hydraulic energy, air pressure energy and the like are unified into electric energy, so that all actuating mechanisms are changed into electric modes. However, with the increase of the number and types of the electric loads, the electric power consumption is gradually increased, and on one hand, the requirements on the functions, performance and reliability of electric energy distribution and management are higher and higher; on the other hand, the electromagnetic environment is more and more complicated due to the high power and various electric loads, and additional interference is generated on the reliability of the power supply and distribution control system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high reliability intelligent power distribution control switch with breakpoint restoration function, it can improve intelligent power distribution control switch's reliability.
In order to solve the above problems, the utility model discloses a realize through following technical scheme:
the high-reliability intelligent power distribution control switch with the breakpoint recovery function consists of a main control part and a power part; the main control part comprises a power supply conversion unit and a main control unit; the power section comprises at least one power cell; the input end of the power conversion unit is connected with a working power supply, and the output end of the power conversion unit comprises a main control power rail and a power rail, wherein the main control power rail is connected with the power supply port of the main control unit, and the power rail is connected with the power supply ports of the power units; the hard-line control command port of the main control unit is connected with the hard-line control command, the status indicator port of the main control unit is connected with the status indicator, and the communication network port of the main control unit is connected with the communication network; the main control unit comprises at least one group of I/O and AD port groups, and each group of I/O and AD port group of the main control unit is connected with the I/O and AD port group of one power unit.
In the scheme, each group of I/O and AD ports of the main control unit comprises a control instruction output end, an instruction recovery input end, a contact recovery input end and a current recovery input end; the I/O and AD port group of each power unit comprises a control instruction input end, an instruction recovery output end, a contact recovery output end and a current recovery output end; the control instruction output ends of a group of I/O and AD ports of the main control unit are connected with the control instruction input end of a power unit; the instruction recovery input ends of a group of I/O and AD ports of the main control unit are connected with the instruction recovery output end of one power unit; the contact recovery input ends of a group of I/O and AD port groups of the main control unit are connected with the contact recovery output end of one power unit; the current recovery input ends of a group of I/O and AD ports of the main control unit are connected with the current recovery output end of one power unit.
In the scheme, the main control unit consists of a switching value isolation detection circuit, a display driving circuit, a communication interface circuit and a main control processor system; the power supply ports of the main control processor system, the switching value isolation detection circuit, the display driving circuit and the communication interface circuit form a power supply port of the main control unit; the signal input end of the switching value isolation detection circuit forms a hard-wire control command port of the main control unit, and the signal output end of the switching value isolation detection circuit is connected with an input I/O port group of the main control processor system; the signal input end of the display driving circuit is connected with the output I/O port group of the main control processor system, and the signal output end of the display driving circuit forms a state indicator port of the main control unit; the control end of the communication interface circuit is connected with a communication control port of the main control processor system, and the communication end of the communication interface circuit forms a communication network port of the main control unit; at least one group of I/O and AD ports of the master processor system form at least one group of I/O and AD ports of the master unit.
In the scheme, a group of I/O and AD ports of the main control processor system consists of a control I/O port, a first recovery I/O port, a second recovery I/O port and an AD port; controlling the I/O port to form a control instruction output end of the group of I/O and AD ports; the first recovery I/O port forms the instruction recovery input end of the group of I/O and AD ports; the second recovery I/O port forms a contact recovery input end of the group of I/O and AD ports; the AD port forms the current extraction input end of the group of I/O ports and the group of AD ports.
In the scheme, the power unit consists of a control instruction latch circuit, a power switch driving circuit, a power switch, a current acquisition circuit and a passive contact detection circuit; the power supply ports of the control instruction latch circuit, the power switch driving circuit, the current acquisition circuit and the passive contact detection circuit form the power supply port of the power unit; the control instruction end of the control instruction latch circuit forms a control instruction input port of the I/O and AD port group of the power unit, and the control output end of the control instruction latch circuit forms an instruction recovery output end of the I/O and AD port group of the power unit; the control input end of the power switch driving circuit is connected with the control output end of the control instruction latch circuit, and the driving output end of the power switch driving circuit is connected with the control end of the power switch; one end of the power switch forms a first load power supply end of the power unit, and the other end of the power switch forms a power distribution output end of the power unit through the current acquisition circuit; the current recovery end of the current acquisition circuit forms the I/O port of the power unit and the current recovery output end of the AD port group; the passive contact detection circuit is connected with the power switch in parallel, and the contact recovery ends of the passive contact detection circuit form the contact recovery output ends of the I/O and AD port groups of the power unit.
In the scheme, the power unit consists of a control instruction latch circuit, a power switch driving circuit, a power switch, a current acquisition circuit and an active contact detection circuit; the power supply ports of the control instruction latch circuit, the power switch driving circuit, the current acquisition circuit and the passive contact detection circuit form the power supply port of the power unit; the control instruction end of the control instruction latch circuit forms a control instruction input port of the I/O and AD port group of the power unit, and the control output end of the control instruction latch circuit forms an instruction recovery output end of the I/O and AD port group of the power unit; one end of the power switch forms a first load power supply end of the power unit, and the other end of the power switch forms a power distribution output end of the power unit through the current acquisition circuit; the current recovery end of the current acquisition circuit forms the I/O port of the power unit and the current recovery output end of the AD port group; the passive contact detection circuit is connected with the electric load in parallel, and the contact state input end of the passive contact detection circuit is connected with the power supply.
In the scheme, the power conversion unit consists of a first EMC reinforcement module, an isolation power conversion module and a second EMC reinforcement module; the input end of the first EMC reinforcement module forms the input end of the power conversion unit; the output end of the first EMC reinforcing module is connected with the input end of the isolated power supply conversion module; the output end of the isolated power supply conversion module is connected with the input end of the second EMC reinforcement module; the output terminal of the second EMC reinforcement module forms the output terminal of the power conversion unit.
Compared with the prior art, the utility model has the characteristics of as follows:
1. the utility model can intelligently control the power unit to switch on or off the power switch according to the on or off control command, thereby realizing intelligent power distribution control; and the breakpoint recovery of the intelligent power distribution control switch can be realized according to the reset state.
2. The utility model obtains the control command by setting the switching value isolation detection circuit and/or the communication interface circuit, realizes the intelligent power distribution control of a multi-electric/full-electric energy platform by setting the control command recovery, the contact recovery, the current recovery and updating the corresponding state mark, and realizes the breakpoint recovery by latching the circuit for the reset state and the control command;
3. the utility model discloses not only can satisfy many electric energy platform completely to the requirement of electric energy distribution and management function, performance, possess the characteristics that the reliability that adapt to many electric energy platform completely complicated of electric energy platform electromagnetic environment is high moreover.
Drawings
Fig. 1 is a schematic block diagram of a high-reliability intelligent power distribution control switch with a breakpoint restoration function;
FIG. 2 is a schematic block diagram of a main control section;
FIG. 3 is a functional block diagram of a power cell (passive contact sensing scheme);
fig. 4 is a schematic block diagram of another power cell (active contact sensing scheme).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following specific examples.
A high-reliability intelligent power distribution control switch with a breakpoint recovery function is shown in figure 1 and comprises a main control part and a power part. The main control part consists of a power supply conversion unit and a main control unit. The power part consists of n power units which are consistent with interfaces of the main control part and have differences in unit internal structures, parameters or purposes, and the value of n is consistent with the number of I/O and AD ports which are configured by the main control part according to needs and is 1 in minimum.
The input end of the power supply conversion unit is connected with the working power supply, and the output end of the power supply conversion unit is respectively connected with the power supply ports of the main control unit and each power unit. Referring to fig. 2, the power conversion unit is composed of a first EMC reinforcement module, an isolated power conversion module, and a second EMC reinforcement module. The input end of the first EMC reinforcement module forms the input end of a power conversion unit, and the input end of the power conversion unit is connected with the working power supply. And the output end of the first EMC reinforcing module is connected with the input end of the isolated power supply conversion module. And the output end of the isolated power supply conversion module is connected with the input end of the second EMC reinforcement module. The output end of the second EMC reinforcing module forms the output end of the power conversion unit, the input end of the power conversion unit is divided into a main control power rail and a power rail, the main control power rail is connected with power supply ports of circuits in the main control unit, and the power rail is connected with power supply ports of circuits in power units in the power part.
The first EMC reinforcing module is used for carrying out EMC reinforcing on working power supply input, on one hand, various electromagnetic interference signals received by an external working power supply and generated by the first EMC reinforcing module are enabled not to enter the product of the scheme as far as possible, and on the other hand, various electromagnetic interference signals generated in the product of the scheme are enabled not to overflow to interfere the outside as far as possible. The isolation power supply transformation module transforms the power supply voltage of the working power supply wide range to the voltage stabilized by the internal power supply rail on the one hand, and on the other hand, realizes the isolation of the external working power supply ground and the internal power supply rail ground wire, thereby providing an isolated and stable working power supply for the product of the scheme. The second EMC reinforcing module is used for EMC reinforcing the voltage output by the isolated power supply conversion module, so that interference signals such as ripples and noises on an internal power supply rail are weakened as much as possible, and noises generated by functional circuits of the main control unit and the power unit are restrained as much as possible, so that interference of the noises on an external circuit after the main control unit and the power unit overflow is weakened. After the external working power supply is processed by the power supply conversion unit, the external working power supply can provide power for normal work of the product, fundamentally enhances the anti-interference capability of the product, and improves the reliability.
The ports of the master control unit are respectively connected with the hard-wire control command, the state indicator, the communication network, the master control power rail and the ports of the power units. Referring to fig. 2, the main control unit is composed of a switching value isolation detection circuit, a display driving circuit, a communication interface circuit, and a main control processor system. The switching value isolation detection circuit is powered by a main control power supply rail, the signal input end of the switching value isolation detection circuit is connected with a hard-wire control command, and the signal output end of the switching value isolation detection circuit is connected with an input I/O port group of a main control processor system. The display drive circuit is powered by the main control power supply rail, the signal input end of the display drive circuit is connected with the output I/O port group of the main control processor system, and the signal output end of the display drive circuit is connected with the state indicator. The communication interface circuit is powered by the main control power supply rail, the control end of the communication interface circuit is connected with the communication control port of the main control processor system, and the communication end of the communication interface circuit is connected with the communication network. The main control processor system is powered by a main control power supply rail, except the input I/O port group, the output I/O port group and the communication control port, n groups of I/O and AD port groups are respectively connected with ports of corresponding group power units, in each group of I/O and AD port group, the control I/O port provides a control instruction signal for the corresponding group power unit, the first recovery I/O port receives an instruction recovery signal of the corresponding group power unit, the second recovery I/O port receives a contact recovery signal of the corresponding group power unit, and the AD port receives a current recovery signal of the corresponding group power unit.
The switching value isolation detection circuit is used for carrying out isolation detection and identification on the hard line control command, and effectively improves the reliability of the product by protecting an input I/O port group of the main control processor system while providing a human-computer interface. The display driving circuit is used for providing driving interfaces for state indicators such as working states, health states and the like of the product, and the reliability of the product is effectively improved by protecting the output I/O port group of the main control processor system. The communication interface circuit is used for communicating the product of the scheme with an external communication network, and meets the communication requirements of instruction receiving, state reporting and the like. In order to improve the product reliability, on one hand, a communication interface needs to use a communication module with isolation capability to protect a communication control port of a main control processor system, on the other hand, communication parties need to carry out necessary verification on communication contents, and the communication parties need to be mutually restricted to carry out resetting or initialization of the communication control port when necessary. The main control processor system detects and identifies the control command issued by the communication network according to the hard-wire control command to realize the intelligent control of the power part, and displays the working state, data and the like through a state indicator or reports the working state, the data and the like through the communication network. The main control processor system can comprehensively control information such as commands, control instructions, instruction recovery, contact recovery, current recovery and the reset state of the processor, and the like, and realizes breakpoint recovery when the product is abnormally reset due to strong interference, so that the product is recovered to the working state before abnormal reset, and the reliability of the product is effectively improved. The main control processor system mainly comprises a minimum system of used processor chips, a programmable logic device (FPGA or CPLD), a digital signal processor/controller (DSP or DSC) or a Microprocessor (MCU) can be used as the processor chips according to requirements, and a high-performance processor with enough general I/O ports, communication control ports and AD ports and a reset state detection function is selected.
The power unit port is respectively connected with a power supply rail, the main control unit I/O and AD port group, an external load power supply and an electric load.
Referring to fig. 3, a power unit is composed of a control command latch circuit, a power switch driving circuit, a power switch, a current collecting circuit, and a passive contact detecting circuit. The power supply port of the control instruction latch circuit is connected with the power supply rail, the control instruction end is connected with the control I/O port of the main control unit I/O and AD port group, and the control output end is respectively connected with the control input end of the power switch driving circuit and the first recovery I/O port of the main control unit I/O and AD port group. The power supply port of the power switch driving circuit is connected with a power supply rail, the control input end of the power switch driving circuit is connected with the control output end of the control instruction latch circuit, and the driving output end of the power switch driving circuit is connected with the control end of the power switch. The power switch input end is connected with a first external load power supply end, the power switch output end is led out as a power distribution output end after being connected with a current acquisition circuit in series, the power distribution output end is connected with one end of an external power load, and the power switch control end is connected with the driving output end of a power switch driving circuit. The current acquisition circuit is connected with the power switch in series, the power supply port is connected with the power supply rail, and the current recovery end is connected with the I/O port of the main control unit and the AD port of the AD port group. The power supply port of the passive contact detection circuit is connected with a power supply rail, the contact recovery end is connected with the second recovery I/O port of the main control unit I/O and AD port group, the passive contact detection circuit is connected with an electric load in parallel, namely one end of the contact state input end is connected with the power distribution output end, and the other end of the contact state input end is connected with the power supply end of the second load. After the external load power supply and the electric load are connected in series, one end of the external load power supply is a first load power supply end, the other end of the external load power supply is a power distribution output end, and the connection of the external load power supply and the electric load is a second load power supply end.
Referring to fig. 4, another power unit is composed of a control command latch circuit, a power switch driving circuit, a power switch, a current collecting circuit, and an active contact detecting circuit. The power supply port of the control instruction latch circuit is connected with the power supply rail, the control instruction end is connected with the control I/O port of the main control unit I/O and AD port group, and the control output end is respectively connected with the control input end of the power switch driving circuit and the first recovery I/O port of the main control unit I/O and AD port group. The power supply port of the power switch driving circuit is connected with a power supply rail, the control input end of the power switch driving circuit is connected with the control output end of the control instruction latch circuit, and the driving output end of the power switch driving circuit is connected with the control end of the power switch. The power switch input end is connected with a first external load power supply end, the power switch output end is led out as a power distribution output end after being connected with a current acquisition circuit in series, the power distribution output end is connected with one end of an external power load, and the power switch control end is connected with the driving output end of a power switch driving circuit. The current acquisition circuit is connected with the power switch in series, the power supply port is connected with the power supply rail, and the current recovery end is connected with the I/O port of the main control unit and the AD port of the AD port group. The power supply port of the active contact detection circuit is connected with a power supply rail, the contact recovery end is connected with the second recovery I/O port of the main control unit I/O and AD port group, the passive contact detection circuit is connected with the power switch in parallel, namely, one end of the contact state input end is connected with the power supply end of the first load, and the other end of the contact state input end is connected with the connecting ends of the power switch and the current acquisition circuit. After the external load power supply and the electric load are connected in series, one end of the external load power supply is a first load power supply end, the other end of the external load power supply is a power distribution output end, and the connection of the external load power supply and the electric load is a second load power supply end.
The control instruction latch circuit is controlled by a control I/O port of the master control processor system, and latches a control instruction (turning on or off a power switch, and then respectively turning on and off) according to a set latch rule (which can be realized by people in the industry with digital circuit knowledge and is not described in detail herein) so as to ensure that the control instruction of the master processor system which is most easily affected by interference is kept unchanged in an abnormal reset process. The output of the control command latch circuit forms an on or off control command that is latched, and is consistent with the latest control command (a hard-wire control command or a program control command issued by a communication network, recognized as on or off). The latched control command is used for executing corresponding on or off driving through a power switch driving circuit on one hand, and is introduced into a first recovery I/O port of a main control processor system through command recovery on the other hand, and is used for intelligent power distribution control and breakpoint recovery processing when necessary. The power switch driving circuit converts the high and low levels (namely, the latched on or off control commands) which are normally weak current signals into driving signals capable of driving the power switch to be switched on or switched off according to the actual driving requirements of the power switch. The power switch is an actual execution electric appliance of an intelligent power distribution control switch, and commonly used are electromechanical power switches such as a contactor and a relay and solid-state power switches such as a MOSFET (metal oxide semiconductor field effect transistor), an IGBT (insulated gate bipolar transistor), an SCR (silicon controlled rectifier) and the like according to different external load power sources and load types. The current acquisition circuit is used for acquiring the load current value passing through the power switch and feeding back the load current value to the AD port of the main control processor system, and the load current value can be used for intelligent power distribution control and breakpoint recovery processing when necessary. The contact detection circuit is used for detecting whether the contact state of the power switch is on or off, and feeding back the contact state to the second recovery I/O port of the main control processor system for intelligent power distribution control and breakpoint recovery processing when necessary. Generally, under the influence of factors such as volume, weight, cost, and technical requirements, a contact detection circuit can be divided into a passive contact detection circuit and an active contact detection circuit, and the connection schemes of the passive contact detection circuit and the active contact detection circuit are slightly different, which is specifically shown in the attached drawings. The latch rule, the characteristics of the different power switches and their driving signal requirements, the current acquisition circuit, the contact detection circuit, etc. are all described by the published patents, the general application guidelines of the component manufacturers, etc., and are not detailed herein.
The main control part and the power part can be assembled in a shell to form a closed shielding cavity, or the power conversion unit, the main control unit and the n groups of power units can be assembled respectively, and the power conversion unit supplies power to the main control unit and the n groups of power units and realizes the distributed control of the main control unit on each power unit through the inter-unit connection.
The power conversion unit provides a main control power rail and a power rail which are isolated from an external working power supply, stable in voltage and low in noise interference for the main control unit and the power unit. The main control unit controls the corresponding power unit to be switched on or switched off according to a hard line control command or a program control command issued by a communication network, and performs intelligent power distribution control according to a control command, a contact state, current information and the like fed back by the power unit, and performs breakpoint recovery if necessary, thereby improving the product reliability of the scheme. The main control unit reports the working state information through the communication network, the working state is output through the communication network or the state indicator, manual intervention is introduced when necessary, and the product reliability of the scheme is improved. The power unit latches and actuates the control instruction of the main control unit to realize intelligent power distribution execution, and feeds back the control instruction, the contact state, the current information and the like to the main control unit.
The utility model provides an internal power rail for the main control module and the power module after EMC reinforcement by using the power conversion module; after the main control module is used for identifying and processing a hard line control command and/or a program control command sent by a communication interface, on-off control and state monitoring of a power module are realized, and state indication control and/or state information reporting through the communication interface are realized; the power module is used for realizing power distribution control of different voltage grades, systems and current grades and realizing collection and return of working states. After the breakpoint recovery processing, the reliability of the intelligent power distribution control switch can be effectively enhanced, and the running stability of a power supply and distribution system of a multi-power/full-power energy platform is improved, so that the improvement of the working performance level of the whole machine is promoted.
It should be noted that, although the above-mentioned embodiments of the present invention are illustrative, the present invention is not limited thereto, and therefore, the present invention is not limited to the above-mentioned embodiments. Other embodiments, which can be made by those skilled in the art in light of the teachings of the present invention, are considered to be within the scope of the present invention without departing from the principles thereof.
Claims (7)
1. The high-reliability intelligent power distribution control switch with the breakpoint recovery function is characterized by comprising a main control part and a power part; the main control part comprises a power supply conversion unit and a main control unit; the power section comprises at least one power cell;
the input end of the power conversion unit is connected with a working power supply, and the output end of the power conversion unit comprises a main control power rail and a power rail, wherein the main control power rail is connected with the power supply port of the main control unit, and the power rail is connected with the power supply ports of the power units;
the hard-line control command port of the main control unit is connected with the hard-line control command, the status indicator port of the main control unit is connected with the status indicator, and the communication network port of the main control unit is connected with the communication network; the main control unit comprises at least one group of I/O and AD port groups, and each group of I/O and AD port group of the main control unit is connected with the I/O and AD port group of one power unit.
2. The high-reliability intelligent power distribution control switch with the breakpoint restoration function according to claim 1, wherein each group of I/O and AD ports of the main control unit comprises a control command output terminal, a command extraction input terminal, a contact extraction input terminal and a current extraction input terminal; the I/O and AD port group of each power unit comprises a control instruction input end, an instruction recovery output end, a contact recovery output end and a current recovery output end;
the control instruction output ends of a group of I/O and AD ports of the main control unit are connected with the control instruction input end of a power unit; the instruction recovery input ends of a group of I/O and AD ports of the main control unit are connected with the instruction recovery output end of one power unit; the contact recovery input ends of a group of I/O and AD port groups of the main control unit are connected with the contact recovery output end of one power unit; the current recovery input ends of a group of I/O and AD ports of the main control unit are connected with the current recovery output end of one power unit.
3. The high-reliability intelligent power distribution control switch with the breakpoint restoration function according to claim 1 or 2, wherein the main control unit is composed of a switching value isolation detection circuit, a display driving circuit, a communication interface circuit and a main control processor system;
the power supply ports of the main control processor system, the switching value isolation detection circuit, the display driving circuit and the communication interface circuit form a power supply port of the main control unit; the signal input end of the switching value isolation detection circuit forms a hard-wire control command port of the main control unit, and the signal output end of the switching value isolation detection circuit is connected with an input I/O port group of the main control processor system; the signal input end of the display driving circuit is connected with the output I/O port group of the main control processor system, and the signal output end of the display driving circuit forms a state indicator port of the main control unit; the control end of the communication interface circuit is connected with a communication control port of the main control processor system, and the communication end of the communication interface circuit forms a communication network port of the main control unit; at least one group of I/O and AD ports of the master processor system form at least one group of I/O and AD ports of the master unit.
4. The high-reliability intelligent power distribution control switch with the breakpoint restoration function according to claim 3, wherein a group of I/O and AD ports of the main control processor system is composed of a control I/O port, a first recovery I/O port, a second recovery I/O port and an AD port;
controlling the I/O port to form a control instruction output end of the group of I/O and AD ports; the first recovery I/O port forms the instruction recovery input end of the group of I/O and AD ports; the second recovery I/O port forms a contact recovery input end of the group of I/O and AD ports; the AD port forms the current extraction input end of the group of I/O ports and the group of AD ports.
5. The high-reliability intelligent power distribution control switch with the breakpoint restoration function according to claim 1 or 2, wherein the power unit is composed of a control instruction latch circuit, a power switch driving circuit, a power switch, a current acquisition circuit and a passive contact detection circuit;
the power supply ports of the control instruction latch circuit, the power switch driving circuit, the current acquisition circuit and the passive contact detection circuit form the power supply port of the power unit; the control instruction end of the control instruction latch circuit forms a control instruction input port of the I/O and AD port group of the power unit, and the control output end of the control instruction latch circuit forms an instruction recovery output end of the I/O and AD port group of the power unit; the control input end of the power switch driving circuit is connected with the control output end of the control instruction latch circuit, and the driving output end of the power switch driving circuit is connected with the control end of the power switch; one end of the power switch forms a first load power supply end of the power unit, and the other end of the power switch forms a power distribution output end of the power unit through the current acquisition circuit; the current recovery end of the current acquisition circuit forms the I/O port of the power unit and the current recovery output end of the AD port group; the passive contact detection circuit is connected with the power switch in parallel, and the contact recovery ends of the passive contact detection circuit form the contact recovery output ends of the I/O and AD port groups of the power unit.
6. The high-reliability intelligent power distribution control switch with the breakpoint restoration function according to claim 1 or 2, wherein the power unit is composed of a control instruction latch circuit, a power switch driving circuit, a power switch, a current acquisition circuit and an active contact detection circuit;
the power supply ports of the control instruction latch circuit, the power switch driving circuit, the current acquisition circuit and the passive contact detection circuit form the power supply port of the power unit; the control instruction end of the control instruction latch circuit forms a control instruction input port of the I/O and AD port group of the power unit, and the control output end of the control instruction latch circuit forms an instruction recovery output end of the I/O and AD port group of the power unit; one end of the power switch forms a first load power supply end of the power unit, and the other end of the power switch forms a power distribution output end of the power unit through the current acquisition circuit; the current recovery end of the current acquisition circuit forms the I/O port of the power unit and the current recovery output end of the AD port group; the passive contact detection circuit is connected with the electric load in parallel, and the contact state input end of the passive contact detection circuit is connected with the power supply.
7. The high-reliability intelligent power distribution control switch with the breakpoint restoration function according to claim 1 or 2, wherein the power conversion unit is composed of a first EMC reinforcement module, an isolated power conversion module, and a second EMC reinforcement module;
the input end of the first EMC reinforcement module forms the input end of the power conversion unit; the output end of the first EMC reinforcing module is connected with the input end of the isolated power supply conversion module; the output end of the isolated power supply conversion module is connected with the input end of the second EMC reinforcement module; the output terminal of the second EMC reinforcement module forms the output terminal of the power conversion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120296709.6U CN214281029U (en) | 2021-02-02 | 2021-02-02 | High-reliability intelligent power distribution control switch with breakpoint recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120296709.6U CN214281029U (en) | 2021-02-02 | 2021-02-02 | High-reliability intelligent power distribution control switch with breakpoint recovery function |
Publications (1)
| Publication Number | Publication Date |
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| CN214281029U true CN214281029U (en) | 2021-09-24 |
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| CN113991632A (en) * | 2021-11-05 | 2022-01-28 | 湖北三江航天万峰科技发展有限公司 | Power device-based power distribution control system and method |
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| CN113991632A (en) * | 2021-11-05 | 2022-01-28 | 湖北三江航天万峰科技发展有限公司 | Power device-based power distribution control system and method |
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