CN204947708U - DC power supplier double-path intelligent switched system - Google Patents
DC power supplier double-path intelligent switched system Download PDFInfo
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- CN204947708U CN204947708U CN201520588537.4U CN201520588537U CN204947708U CN 204947708 U CN204947708 U CN 204947708U CN 201520588537 U CN201520588537 U CN 201520588537U CN 204947708 U CN204947708 U CN 204947708U
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- mcu
- power supplier
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Abstract
The utility model relates to a kind of DC power supplier double-path intelligent switched system, it is characterized in that: this system forms primarily of voltage detecting circuit, MCU and metal-oxide-semiconductor commutation circuit, the input voltage that two-way DC power supplier provides is connected with MCU after three terminal regulator, power supply is provided to MCU, between the input voltage that described voltage detecting circuit is arranged at two-way DC power supplier respectively and MCU, for detecting input voltage analog quantity and as the input of MCU; Described metal-oxide-semiconductor commutation circuit is arranged at two-way input voltage respectively between the circuit exported and MCU, for the switching of input voltage.Native system comparatively conveniently can transform power module electric power system as Dual module Hot Spare on existing equipment basis, improves the reliability of DC power supplier electric power system.
Description
Technical field
The hot standby DC power supply automatic switchover system of a kind of boat-carrying TT&C system of the utility model, particularly relates to a kind of DC power supplier double-path intelligent switched system, and the Hot Spare and the fault that realize DC power supplier automatically switch.
Background technology
In current shipboard TT & C equipment, the single DC power supplier of a large amount of use is powered, power module also just becomes a single point failure link, along with the growth of equipment use time, the reliability of power module also starts to decline, and due to the reason of system, to change power module spare part very inconvenient, consuming time longer, even may cause mission failure not in time because of replacing backup battery.The present invention devises a hot standby DC power supply automatic switching module exactly, comparatively conveniently power module electric power system can be transform as Dual module Hot Spare on existing equipment basis, realize the Real-Time Monitoring to power source performance simultaneously, provide foundation to the maintenance of post personnel.The present invention can be applicable in Multiple Type power supply system of DC source, has and applies meaning.
Utility model content
Technical problem to be solved in the utility model provides a kind of DC power supplier double-path intelligent switched system for above-mentioned prior art, on existing equipment basis, comparatively conveniently can transform power module electric power system as Dual module Hot Spare, improve the reliability of DC power supplier electric power system.
The technical scheme in the invention for solving the above technical problem is: a kind of DC power supplier double-path intelligent switched system, this system forms primarily of voltage detecting circuit, MCU and metal-oxide-semiconductor commutation circuit, the input voltage that two-way DC power supplier provides is connected with MCU after three terminal regulator, power supply is provided to MCU, between the input voltage that described voltage detecting circuit is arranged at two-way DC power supplier respectively and MCU, for detecting input voltage analog quantity and as the input of MCU; Described metal-oxide-semiconductor commutation circuit is arranged at two-way input voltage respectively between the circuit exported and MCU, for the switching of input voltage.
This system also comprises RS485 telecommunication circuit, for native system and computer being established a communications link, inquiring about its operating state and arranging.
Whether this system also comprises the working indicating be connected with MCU, normal for display system.
This system also comprises the bypass input circuit be connected with output, makes system possess manual bypass function.
Compared with prior art, the utility model has the advantage of:
(1) electric power system is when a road power-fail, completes the automatic switchover of backup battery and the self-adaptative adjustment of output;
(2) complete communication link to build, realize the function its working power module selected by computer in machine room;
(3) can display power supply operating state in real time, and fault message (such as: under-voltage, overvoltage) can be fed back when breaking down.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit diagram of input voltage detection circuit in the utility model.
Fig. 3 is the circuit diagram of RS485 telecommunication circuit in the utility model.
Fig. 4 is the circuit diagram of metal-oxide-semiconductor commutation circuit in the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Fig. 1-4, a kind of DC power supplier double-path intelligent switched system in the present embodiment, this system all normally can provide the automatic switching function of the standby usage power supply of 5V-24V voltage for external load in any place, this system is primarily of voltage detecting circuit, MCU and metal-oxide-semiconductor commutation circuit composition, the input voltage A that two-way DC power supplier provides, B is connected with MCU after three terminal regulator, power supply is provided to MCU, described voltage detecting circuit is arranged at the input voltage A of two-way DC power supplier respectively, between B and MCU, for detecting input voltage analog quantity and as the input of MCU, for judging the overvoltage of operating voltage, under-voltagely provide foundation, described metal-oxide-semiconductor commutation circuit is arranged at two-way input voltage A, B respectively between the circuit exported and MCU, complete and select the two-way DC power supplier of input wherein to provide power supply for follow-up load in a road, namely closed by metal-oxide-semiconductor commutation circuit when wherein a road input voltage occurs improper, enable another road input voltage as output simultaneously.
Preferably, this system also comprises RS485 telecommunication circuit, for native system and computer being established a communications link, inquiring about its operating state and arranging, and communication interface comprises protective circuit simultaneously, isolates with antistatic and with circuit.
Whether preferably, this system also comprises the working indicating be connected with MCU, normal for display system, is realized in the present embodiment by red green indicator light.
Preferably, this system also comprises the bypass input circuit be connected with output, makes system possess manual bypass function.
MCU unit mainly completes following function in the present embodiment:
A.RS485 communicates, RX, TX, TX_ENA, digital interface;
B.MOS pipe switch control rule, digital output interface 2 tunnel;
C. input power A voltage detecting, analog input interface 1 tunnel;
D. input power B voltage detecting, analog input interface 1 tunnel;
E. normally work instruction, digital output interface 1 tunnel;
F. alarm work instruction, digital output interface 1 tunnel.
This system meets following working index:
In addition to the implementation, the utility model also includes other execution modes, the technical scheme that all employing equivalents or equivalent substitute mode are formed, within the protection range that all should fall into the utility model claim.
Claims (4)
1. a DC power supplier double-path intelligent switched system, it is characterized in that: this system forms primarily of voltage detecting circuit, MCU and metal-oxide-semiconductor commutation circuit, the input voltage that two-way DC power supplier provides is connected with MCU after three terminal regulator, power supply is provided to MCU, between the input voltage that described voltage detecting circuit is arranged at two-way DC power supplier respectively and MCU, for detecting input voltage analog quantity and as the input of MCU; Described metal-oxide-semiconductor commutation circuit is arranged at two-way input voltage respectively between the circuit exported and MCU, for the switching of input voltage.
2. a kind of DC power supplier double-path intelligent switched system according to claim 1, is characterized in that: this system also comprises RS485 telecommunication circuit, for native system and computer being established a communications link, inquiring about its operating state and arranging.
3. whether a kind of DC power supplier double-path intelligent switched system according to claim 1, is characterized in that: this system also comprises the working indicating be connected with MCU, normal for display system.
4. a kind of DC power supplier double-path intelligent switched system according to claim 1, is characterized in that: this system also comprises the bypass input circuit be connected with output, makes system possess manual bypass function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588537.4U CN204947708U (en) | 2015-08-03 | 2015-08-03 | DC power supplier double-path intelligent switched system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588537.4U CN204947708U (en) | 2015-08-03 | 2015-08-03 | DC power supplier double-path intelligent switched system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947708U true CN204947708U (en) | 2016-01-06 |
Family
ID=55015097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588537.4U Expired - Fee Related CN204947708U (en) | 2015-08-03 | 2015-08-03 | DC power supplier double-path intelligent switched system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492595A (en) * | 2019-08-01 | 2019-11-22 | 神华（福建）能源有限责任公司 | A kind of DC power supply automatic switching control equipment and system |
-
2015
- 2015-08-03 CN CN201520588537.4U patent/CN204947708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492595A (en) * | 2019-08-01 | 2019-11-22 | 神华（福建）能源有限责任公司 | A kind of DC power supply automatic switching control equipment and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |