CN104901516A - Power module signal connecting device and implementation method therefor - Google Patents
Power module signal connecting device and implementation method therefor Download PDFInfo
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- CN104901516A CN104901516A CN201510321596.XA CN201510321596A CN104901516A CN 104901516 A CN104901516 A CN 104901516A CN 201510321596 A CN201510321596 A CN 201510321596A CN 104901516 A CN104901516 A CN 104901516A
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- power model
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- control borad
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Abstract
The invention relates to a power module signal connecting device and an implementation method therefor. The device comprises a main control board and N power modules. The N power modules comprise the first power module, the second power module,..., and the N-th power module, wherein N is a positive integer greater than one. Moreover, the main control board and the N power modules are connected sequentially. According to the invention, a problem caused by a large number of wires connected between a large power module and the main control board is solved, and multi-way drive signals outputted by the main control board are transmitted to the main circuit of the corresponding power module one by one through signal transmission units disposed on the power modules.
Description
Technical field
The present invention relates to the large power supply intermodule signal connection area of power electronics industry, particularly a kind of power model signal connection device and its implementation.
Background technology
In modern power electronic power system design, in order to adapt to suitability for industrialized production, improve the standardized designs degree of equipment, reduce production cost, power system often adopts modularized design.Particularly in the system such as UPS, photovoltaic DC-to-AC converter, the unified power model unit of a large amount of function singleness, interface is often also had to need to be electrically connected with master board.Conventional power module holding wire connected mode is shown in Fig. 1, because certainly exist holding wire to be connected between power model with master control borad controller, when there being numerous power model to be connected with master control borad in power-supply system, master control borad needs be provided with the signal line wire casing identical with each power model quantity, this causes the difficulty of the board design of master control borad larger, and signal line wire casing on the more master control borads of power model quantity is more, design difficulty, the design cost of circuit board also will increase thereupon.
Because master control borad needs to draw a large amount of signal lines, these signal lines must be connected on corresponding power model exactly, the problem of signal line wrong plug power model is then easily there is in production assembling process, power model quantity more production and processings difficulty is more much, make a mistake operation probability also larger, production and assembly technique is not good, and production efficiency is low.
Summary of the invention
In view of this, the object of this invention is to provide a kind of power model signal connection device and its implementation, solve the produced problem of line between large power, electrically source module and master control borad more, by the signal transmission unit that power model is arranged, the multi-channel drive signal that master control borad exports is transferred to one by one the main circuit of corresponding power model.
The present invention adopts following scheme to realize: a kind of power model signal connection device, comprises a master control borad and N number of power model, and described N number of power model comprises the first power model to N power model, wherein N be greater than 1 positive integer; Described master control borad comprises a master control borad signal output unit, and described master control borad output unit controls the control signal of described first power model to the work of N power model in order to export; Described master control borad output unit comprises a master control borad public information output and the first master control borad signal output part to N master control borad signal output part;
Each power model in described N number of power model includes a signal input unit, a signal output unit and a power model main circuit; Described signal input unit comprises a common signal input and first input end to N input; Described signal output unit comprises a common signal output and the first output to N output;
The master control borad public information output of described master control borad signal output unit and the first master control borad signal output part connect to N input is corresponding with the common signal input of the signal input unit in described first power model and first input end respectively to N master control borad signal output part;
The common signal input of the signal input unit of the Y power model in described N number of power model and first input end to N input correspondence connects and connects to N output is corresponding with the common signal output of the signal output unit in Y-1 power model and the first output respectively, wherein 1 < Y≤N-1, Y are positive integer.
Further, the common signal input in the signal input unit in described each power model is connected with common signal output in signal output unit, and is connected to described power model main circuit; First input end in described signal input unit is connected to described power model main circuit, and the X+1 input of described signal input unit is connected with the X output of described signal output unit, and wherein 1≤X≤N-1, X is positive integer.
The present invention adopts following methods to realize: a kind of implementation method of power model signal connection device, comprises the following steps:
Step S1: in described master control borad, common signal and first are transferred to the signal input unit of the first power model to N power model control signal by master control borad signal output unit, the control signal received is transferred to power model main circuit and signal output unit in described first power model by the signal input unit in described first power model;
Step S2: described Y power model is the second power model, namely now Y=2 and described second power model receive the control signal of the first power model transmission, enter step S3;
Signal input unit in step S3: the Y power model receives the control signal of signal output unit transmission in Y-1 power model, and the control signal received is transferred to power model main circuit in Y power model, Y+1 is transferred to the signal input unit of Y+1 power model by the signal output unit in described Y power model to N power model control signal;
Step S4: as Y<N-2 in described Y power model, make the Y=Y+1 in described Y power model, return described step S3, namely described Y power model carries out concrete reception and exports control signal work; As Y=N-1 in described Y power model, when N power model control signal is transferred to the signal input unit of N power model by the signal output unit in described N-1 power model.
Compared to prior art, the present invention has following beneficial effect:
1, a kind of power model signal connection device of the present invention and method, greatly simplify the quantity of signal line wire casing on master control borad, only just need can be transferred out the control signal of multiple power model by a winding displacement wire casing, greatly reduce master control borad circuit design difficulty;
2, master control borad of the present invention, first connects successively to N power model, and the problem of signal line incorrect link not easily occurs, and solves in prior art, in production and assembly process, signal line misconnection problem easily occurs, greatly improve production efficiency;
3, each power model still adopts standard and modular to design, and not needing increases the additional processing such as wire jumper, rear weldering technique, simplifies module production process, problem of getting the raw materials ready, improves production technology, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is conventional power module holding wire connected mode schematic diagram in the present invention.
Fig. 2 is power model signal connection device schematic diagram in the present invention.
Fig. 3 is the connection diagram of master control borad and the first power model in the present invention.
Fig. 4 is the internal element connection diagram of power model in the present invention.
Fig. 5 be in the present invention between master control borad and each power model in connection diagram between concrete unit.
Label declaration: 1 is master control borad; 11 is master control borad signal output unit; 2 is the first power model; 21 is the signal input unit of the first power model; 22 is the signal output unit of the first power model; 23 is the power model main circuit of the first power model.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The present embodiment provides a kind of power model signal connection device, and as shown in Figures 2 to 4, comprise a master control borad and N number of power model, described N number of power model comprises the first power model to N power model, wherein N be greater than 1 positive integer; Described master control borad 1 comprises a master control borad signal output unit 11, and described master control borad output unit 11 controls the control signal of described first power model to the work of N power model in order to export; Described master control borad output unit 11 comprises a master control borad public information output and the first master control borad signal output part to N master control borad signal output part;
Each power model in described N number of power model includes a signal input unit, a signal output unit and a power model main circuit; Described signal input unit comprises a common signal input and first input end to N input; Described signal output unit comprises a common signal output and the first output to N output;
The master control borad public information output OUT of described master control borad signal output unit 11
cOMand first master control borad signal output part to N master control borad signal output part (OUT
1~ OUT
n) respectively with the common signal input PCOM of the signal input unit 21 in described first power model 2
oUTand first input end is to N input (P1
oUT~ PN
oUT) corresponding connection;
As shown in Figure 5, the common signal input of the signal input unit of the Y power model in described N number of power model and first input end to N input correspondence connects and connects to N output is corresponding with the common signal output of the signal output unit in Y-1 power model and the first output respectively, wherein 1 < Y≤N-1, Y are positive integer.
In the present embodiment, the common signal input in the signal input unit in described each power model is connected with common signal output in signal output unit, and is connected to described power model main circuit; First input end in described signal input unit is connected to described power model main circuit, and the X+1 input of described signal input unit is connected with the X output of described signal output unit, and wherein 1≤X≤N-1, X is positive integer.
In the present embodiment, a kind of implementation method of power model signal connection device, comprises the following steps:
Step S1: in described master control borad 1, common signal and first are transferred to the signal input unit of the first power model to N power model control signal by master control borad signal output unit 11, the control signal received is transferred to power model main circuit 23 and signal output unit 22 in described first power model by the signal input unit 21 in described first power model 2;
Step S2: described Y power model is the second power model, namely now Y=2 and described second power model receive the control signal of the first power model transmission, enter step S3;
Signal input unit in step S3: the Y power model receives the control signal of signal output unit transmission in Y-1 power model, and the control signal received is transferred to power model main circuit in Y power model, Y+1 is transferred to the signal input unit of Y+1 power model by the signal output unit in described Y power model to N power model control signal;
Step S4: as Y<N-2 in described Y power model, make the Y=Y+1 in described Y power model, return described step S3, namely described Y power model carries out concrete reception and exports control signal work; As Y=N-1 in described Y power model, when N power model control signal is transferred to the signal input unit of N power model by the signal output unit in described N-1 power model.
In this present embodiment, preferably, the common signal output in each power model exports at least one road signal, and common signal input receives at least one road signal; In each power model first receives at least one road signal respectively to N input, and described first exports at least one road signal respectively to N output.
The present invention considers that each intermodule signal exists the problem of the control signal of shared signal and each power model, for reducing wiring quantity, common signal merges by the present invention, for each power model relative to control signal, in order to protect just each module can proper use of to relative to control signal, and ensure the consistency of board production of each power model, avoiding producing the later stage needs to do the techniques such as signal redirect.Respective module by signal is classified by the present invention on signal transmission unit, the signal transmission unit of each power model is by direct-connected for identical common signal splicing ear, and the control signal end that Y group inputs then is connected to the control signal end that Y-1 group exports by the control signal for different capacity module.The 1st group of signal of control signal end inputted and the signal of common signal end are then connected to power model main circuit by the signal transmission unit of each power model all the time.So namely, ensure that each power model finally can be proper use of to respective control signal, and pcb board need not be changed, or do post-production.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. a power model signal connection device, comprises a master control borad and N number of power model, it is characterized in that: described N number of power model comprises the first power model to N power model, wherein N be greater than 1 positive integer; Described master control borad comprises a master control borad signal output unit, and described master control borad output unit controls the control signal of described first power model to the work of N power model in order to export; Described master control borad output unit comprises a master control borad public information output and the first master control borad signal output part to N master control borad signal output part;
Each power model in described N number of power model includes a signal input unit, a signal output unit and a power model main circuit; Described signal input unit comprises a common signal input and first input end to N input; Described signal output unit comprises a common signal output and the first output to N output;
The master control borad public information output of described master control borad signal output unit and the first master control borad signal output part connect to N input is corresponding with the common signal input of the signal input unit in described first power model and first input end respectively to N master control borad signal output part;
The common signal input of the signal input unit of the Y power model in described N number of power model and first input end to N input correspondence connects and connects to N output is corresponding with the common signal output of the signal output unit in Y-1 power model and the first output respectively, wherein 1 < Y≤N-1, Y are positive integer.
2. a kind of power model signal connection device according to claim 1, it is characterized in that: the common signal input in the signal input unit in described each power model is connected with common signal output in signal output unit, and be connected to described power model main circuit; First input end in described signal input unit is connected to described power model main circuit, and the X+1 input of described signal input unit is connected with the X output of described signal output unit, and wherein 1≤X≤N-1, X is positive integer.
3. an implementation method for power model signal connection device as claimed in claim 1, is characterized in that comprising the following steps:
Step S1: in described master control borad, common signal and first are transferred to the signal input unit of the first power model to N power model control signal by master control borad signal output unit, the control signal received is transferred to power model main circuit and signal output unit in described first power model by the signal input unit in described first power model;
Step S2: described Y power model is the second power model, namely now Y=2 and described second power model receive the control signal of the first power model transmission, enter step S3;
Signal input unit in step S3: the Y power model receives the control signal of signal output unit transmission in Y-1 power model, and the control signal received is transferred to power model main circuit in Y power model, Y+1 is transferred to the signal input unit of Y+1 power model by the signal output unit in described Y power model to N power model control signal;
Step S4: as Y<N-2 in described Y power model, make the Y=Y+1 in described Y power model, return described step S3, namely described Y power model carries out concrete reception and exports control signal work; As Y=N-1 in described Y power model, when N power model control signal is transferred to the signal input unit of N power model by the signal output unit in described N-1 power model.
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Cited By (1)
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| CN111708300A (en) * | 2020-06-22 | 2020-09-25 | 深圳市英威腾电气股份有限公司 | Execution unit, signal cross-unit transmission structure and electrical system |
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| US20090322296A1 (en) * | 2008-06-20 | 2009-12-31 | Chung-Shu Li | Multi-chip module for power supply circuitry |
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| CN1744420A (en) * | 2005-09-29 | 2006-03-08 | 北京金自天正智能控制股份有限公司 | Method for control pulse generation for cascade multi-level high-voltage frequency transformer |
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