CN201956894U

CN201956894U - Power interference blocking module

Info

Publication number: CN201956894U
Application number: CN2011200067126U
Authority: CN
Inventors: 蔡正义
Original assignee: Portwell Inc
Current assignee: Portwell Inc
Priority date: 2011-01-11
Filing date: 2011-01-11
Publication date: 2011-08-31
Anticipated expiration: 2021-01-11

Abstract

The utility model provides a power interference blocking module, which is mainly used for an external AC power supply and electronic equipment. The power interference blocking module comprises a power input end, a power output end and a power interference blocking circuit, wherein the power interference blocking circuit is connected in series between the power input end and the power output end, and further comprises a parallel mutual inductor group, a parallel capacitor group, a serial capacitor group and a grounding inductor group; the parallel capacitor group is connected in parallel between the parallel mutual inductor group and the live wire end of the power input end; the serial capacitor group is connected in parallel between the parallel mutual inductor group and the live wire end of the power output end; and the grounding inductor group is electrically connected between the waterline ends of the power input end and the power output end, and is connected with a ground return circuit of a power supply. Therefore, the power interference blocking module is endowed with good system power supply characteristics, reduces the use of expensive product components and parts of hardware as well as the system designing cost, and achieves better safety protection effects to further positively improve the economic efficiency.

Description

A kind of power supply intercepts interference module

Technical field

The utility model relates to a kind of power supply and intercepts interference module, especially refer to that a kind of common mode piece attitude power supply noise of external AC power supply that makes effectively intercepts, and the electric power loop load person that can't enter electronic equipment, obtain better security protection effect, and can further revise out-put supply, effectively improve power supply quality.

Background technology

In recent years because the manufacturing technology of power electronic element and the quick progress of power electronics application technology, cause the hurried increase of use of power electronic equipment, and general power electronic equipment has nonlinear load characteristic, thereby causes the noise pollution of electric power system serious day by day.

Press, with industry control flat computer (Panel PC) system and power supply design now, existing many relevant products come out on market again; But great majority only possess simple type single power supply filter function, and the non-resilient design of module, but can't disturb use (as: AC 110V or 230V) in response to application or inhibition in the different electrical power environment;

Outsourcing power supply all is dependent in past industry control Panel PC system and power supply design, these power supply are to be design premises with commercial or home, therefore threatened by interference effect disturbing in the face of the adverse circumstances power supply, the time and cause industry control Panel PC system unusual and can't normal operation when machine.A lot of client and industry control are used and are suffered this problem puzzled endlessly, more have many clients on industry control is used, to need to drop into more equipment costs for this reason and in addition and purchase expensive power supply (UPS) equipment that do not cut off the power supply, the phase in the hope of the stabilized power supply power supply with promote antijamming capability.

Edge this, the utility model people is not because attain the desirable fact on not good disappearance problem of the filter operational paradigm of aforementioned known power source and the architecture design thereof, this case creator promptly sets about its solution of research and development design, hope can be developed a kind of transmission line of alternation current module (AC Line Module) and be possessed compact form design and be suitable for the industrial control equipment application, it is more flexible on using not only to provide product to possess splendid noise resisting ability, be that the row Product Cost Control has more advantage, collocation its design on Embedded PC equipment also can be done more thorough considering, popular and promote the development of this industry with service society, satisfying through for a long time design has generation of the present utility model.

The utility model content

The purpose of this utility model is providing a kind of power supply to intercept interference, it is to reduce to be subjected to transmission line of alternation current (AC Line) power supply common-mode Pattern perturbation influence, cause mechanical disorder, cause the operating loss situation to take place, and then reach energy-saving effect and promote its business efficiency.

A purpose more of the present utility model is providing a kind of modularization circumscribed power supply to intercept interference, and it can disturb use in response to the application or the inhibition of different electrical power environment.

Another purpose of the present utility model is improved in the past used ATX Power supply and is lacked opposing transmission line of alternation current power supply and disturb shortcoming providing, and reduces expensive hardware product zero element and uses and reduce the system cost design.

In order to reach above-mentioned purpose and effect, the technical method that it adopted mainly comprises: a power input, a power output end and a power supply intercept interfered circuit; Wherein, it is that string is located between this power input and the power output end that this power supply intercepts interfered circuit, this power supply intercepts interfered circuit and further comprises a parallel mutual inductance inductive bank, one capacitance group in parallel, an one series connection capacitance group and a ground connection inductive bank, wherein, this shunt capacitance group is to be parallel to this parallel mutual inductance inductive bank between the live wire end of power input, this series capacitance group is to be parallel between the live wire end of this parallel mutual inductance inductive bank and power output end, this ground connection inductive bank is that respectively electricity and is connected with the power supply ground return circuit in succession between the waterline end of power input and power output end;

Technological means of the present utility model further comprises: a housing be the power supply obstruct interference module in order to ccontaining external transmission line of alternation current, and this housing includes a base plate, a front panel, rear board and loam cake; Be for the usefulness that power supply intercepts interference module is set on this base plate; This front and back panels is provided with arrangements of electric connection (as plug or socket); This loam cake is to form a frame shaped with base plate and front and back panels, and this loam cake lateral surface also is provided with radiating fin, leaves fast this power supply is intercepted the heat that interference module was produced.

The beneficial effects of the utility model are: can reach energy-saving effect and promote its business efficiency, it can disturb use in response to the application or the inhibition of different electrical power environment, reduces the cost that expensive hardware product zero element used and reduced system.

Description of drawings

For making the auditor further understanding and understanding more be arranged to technical characterictic of the present utility model and the effect reached, below in conjunction with preferred embodiment and accompanying drawing describes in detail as after, wherein:

Fig. 1 intercepts the circuit diagram of interference module for the utility model power supply.

Fig. 2 is placed in the schematic diagram of base for the electronic component of the utility model power supply obstruct interference module.

Fig. 3 is the schematic diagram of the utility model Fig. 2 device loam cake.

A kind of schematic diagram when Fig. 4 intercepts interference module with the actual use of monomer modular mode for the utility model power supply.

Embodiment

See also shown in Figure 1ly, intercept interference module in order to the power supply that a kind of external transmission line of alternation current of the present utility model is described, this power supply intercepts interference module 1 and mainly includes: a power input 10, a power output end 20 and a power supply intercept interfered circuit 30.

Wherein, this power input 10 is an arrangements of electric connection (as plug or a socket), and an end is in order to be electrically connected the external transmission line of alternation current (as the 110V or the 230V of three-wire type) of civil power;

Wherein, this power output end 20 also is an arrangements of electric connection (as plug or a socket), and an end is the usefulness in order to the electric power that electronic equipment 40 is provided;

Wherein, this power supply intercepts interfered circuit 30 strings and is located between this power input 10 and the power output end 20, and this power supply intercepts interfered circuit 30 and further comprises parallel mutual inductance inductive bank 301, one capacitance group 302 in parallel, a series connection capacitance group 303 and a ground connection inductive bank 304; The electric capacity parallel with one another that comprises at least more than one in this shunt capacitance group 302, and this shunt capacitance group 302 is parallel to 101,102 at the live wire end of this parallel mutual inductance inductive bank 301 and this power input 10, and this shunt capacitance group 302 and 101,102 at the live wire end of this power input 10 one second inductance 306 of further can connecting respectively; This series capacitance group 303 comprises the electric capacity of at least more than one mutual series connection, this series capacitance group 303 is parallel to 201,203 at the live wire end of this parallel mutual inductance inductive bank 301 and power output end 20, and this series capacitance group 303 further can one second shunt capacitance 305 in parallel again; This ground connection inductive bank 304 is respectively in succession in 202 at the waterline end of 20 of the waterline end 103 of this power input 10 and power output ends, and gives the ground return circuit current potential and connect.

Also please refer to shown in Figure 1 during application, when the power input 10 that intercepts interference module 1 when the power supply of a kind of external transmission line of alternation current of the utility model is connected in the external power system, intercept the filter function of interfered circuit 30 by this power supply, and provide the power supply of electronic equipment 40 (as computer etc.) by 20 of this power output ends, in the hope of on the power supply ground return circuit, providing ground connection and Chassis Ground to isolate, make common mode piece attitude power supply noise can't enter the electric power loop load, intercept/keep out the purpose that alternating-current power supply disturbs and reach.

Please refer to again shown in Fig. 2,3,4, it is the wherein a kind of aspect of the utility model during further in detail with the actual use of monomer modular mode, allow the consumer install easily and combination to reach, it is to be provided with a housing 50, power supply in order to ccontaining external transmission line of alternation current intercepts interference module 1, and this housing 50 is to include a base plate 501, a front panel 502, rear board 503 and loam cake 504; Be for the usefulness that power supply intercepts interference module 1 electronic component is set on this base plate 501; Be respectively equipped with arrangements of electric connection (as plug or socket) on this front panel 502, the rear board 503, in present embodiment, this arrangements of electric connection is to be respectively power input 10 and power output end 20; This loam cake 504 is to form a frame shaped with base plate 501 and front panel 502, rear board 503, and these loam cake 504 lateral surfaces also convex with a plurality of radiating fins 505, leave fast this power supply is intercepted heat that interference module was produced.

Comprehensive the above, the utility model is that a quite excellent wound is thought really, so file an application utility model patent in accordance with the law; Only the content of above-mentioned explanation only is preferred embodiment explanation of the present utility model, and all variations of extending according to technological means of the present utility model all should fall into claim application range of the present utility model.

Claims

1. a power supply intercepts interference module, it is characterized in that it includes:

One power input, it is an arrangements of electric connection, and an end is in order to be electrically connected the transmission line of alternation current of civil power, and it includes two live wires and a waterline;

One power output end, it is an arrangements of electric connection, and an end is in order to provide the electric power usefulness of electronic equipment, and it includes two live wires and a waterline;

One power supply intercepts interfered circuit, and its string is located between this power input and the power output end, and it includes:

One parallel mutual inductance inductive bank;

One capacitance group in parallel, it is parallel between this parallel mutual inductance inductive bank and this power input, and respectively with this power input between two live wire ends be and be electrically connected;

One series connection capacitance group, it is parallel between this parallel mutual inductance inductive bank and power output end, and is with the live wire end of power output end respectively and is electrically connected;

One ground connection inductive bank, it is distinguished in succession in the waterline end of this power input and the waterline end of power output end, and gives the connection of ground return circuit current potential.

2. power supply as claimed in claim 1 intercepts interference module, it is characterized in that its arrangements of electric connection is plug or socket.

3. power supply as claimed in claim 1 intercepts interference module, it is characterized in that 110V or 230V that its external alternating voltage is a three-wire type.

4. power supply as claimed in claim 1 intercepts interference module, it is characterized in that its series capacitance group one second shunt capacitance further in parallel.

5. power supply as claimed in claim 1 intercepts interference module, it is characterized in that, its shunt capacitance group further with the live wire end of power input between one second inductance of connecting respectively.

6. power supply as claimed in claim 1 intercepts interference module, it is characterized in that it includes a housing, intercepts the circuit of interference module in order to the power supply of ccontaining external transmission line of alternation current.

7. power supply as claimed in claim 6 intercepts interference module, it is characterized in that its housing further includes:

One base plate, it is for the circuit usefulness that power supply intercepts interference module is set;

One front and back panels, it is respectively for the usefulness that arrangements of electric connection is set;

One loam cake, it combines with this base plate and front and back panels.

8. power supply as claimed in claim 7 intercepts interference module, it is characterized in that its loam cake lateral surface also convexes with a plurality of radiating fins, leaves fast this power supply is intercepted the heat that interference module was produced.