CN201838447U - Transformer module with multiple protection mechanisms - Google Patents
Transformer module with multiple protection mechanisms Download PDFInfo
- Publication number
- CN201838447U CN201838447U CN2010202644725U CN201020264472U CN201838447U CN 201838447 U CN201838447 U CN 201838447U CN 2010202644725 U CN2010202644725 U CN 2010202644725U CN 201020264472 U CN201020264472 U CN 201020264472U CN 201838447 U CN201838447 U CN 201838447U
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- transformer module
- transformer
- end points
- siding ring
- assembly
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- Expired - Fee Related
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Abstract
The utility model discloses a transformer module with multiple protection mechanisms. The transformer module is provided with a protecting circuit and an isolating transformer, the isolating transformer is provided with a primary coil and a secondary coil, wherein center taps of the primary coil and the secondary coil are electrically connected with the protecting circuit, and the protecting circuit is provided with at least one protecting component. When in high-voltage surge or electromagnetic interference, induced voltage and electromagnetic interference generated from the secondary coil of the isolating transformer can be attenuated greatly through multiple protecting mechanisms of the isolating transformer and the protecting circuit.
Description
Technical field
The utility model is relevant with transformer module, is particularly to be used in the transformer module on the connector.
Background technology
Connector (Connector) mainly is arranged on the electronic equipment (for example computer), and by the grafting of cable this electronic equipment and external device (ED) is connected to each other.Yet, as long as be connected with the cable of outside, the i.e. possibility sustain damage of connector because of the instantaneous overvoltage of cable, severe patient even this electronic equipment that may cause being connected with this connector burn.
Aforesaid cable is an example with grid line (Cable), and in order to be provided with conveniently, grid line usually can be exposed to outside the building.Therefore, when this grid line because of suffering thunderbolt (lightening) when producing high pressure surging or electromagnetic interference, this high pressure surging or electromagnetic interference conduct to this connector on this electronic equipment easily by this grid line, and make this electronic equipment damage or burn.In view of this, in the at present common on the market connector, be provided with and be used for anti-lightning strike high pressure and suppress assembly, invade this electronic equipment so as to solving surging (Surge), the moment excessive voltage that is caused, and make this electronic equipment burn the problem of fault.
As shown in fig. 1, be known anti-lightning strike machine-processed circuit diagram.Known technology is everlasting and is set up an isolating transformer (Isolation Transformer) 10 in the connector, by the first siding ring 101 of this isolating transformer 10 and the characteristic of second siding ring 102 complete electrical isolation, block high tension voltage and disturbance current that this first siding ring 101 is produced, make the electronic equipment that is connected in this second siding ring 102 (indicating among the figure) can avoid the predicament of being burnt because of high tension voltage or disturbance current.Though this isolating transformer 10 can completely cut off most energy, this second siding ring 102 still can produce induced voltage to a certain degree, so light relies on this isolating transformer 10 still can't fully protect the electronic equipment that it connected.
As mentioned above, for can effective attenuation the induced voltage that produced of this second siding ring 102, therefore also can be on first end points 1011 and second end points 1012 of this first siding ring 101 or this second siding ring 102, high pressure is set suppresses assembly 20, Transient Voltage Suppressor (TVS, Transient Voltage Suppressor) for example.So as to, when the high pressure surging took place, the overvoltage of this isolating transformer 10 in strangulation.Yet a connector can be arranged on the electronic equipment of different size in fact, and the safety standard that the electronic equipment of different size must meet is also inequality.Above-mentioned known way is quite not easy to operate replacing with of this high pressure inhibition assembly 20, therefore when the safety standard of electronic equipment does not meet demand, whole of this connector must be changed, can't only change this high pressure according to user's demand and suppress assembly 20, so will cause the puzzlement of manufacturer and the increase of cost, also impracticable concerning the part user.
The utility model content
Main purpose of the present utility model is to provide a kind of transformer module with multiple protective mechanism, forms a module by protective circuit and isolating transformer, to reach the multiple protective mechanism of antistatic, thunderbolt and electromagnetic interference.
For reaching above-mentioned purpose, the utility model mainly provides a kind of transformer module with multiple protective mechanism, comprising:
Isolating transformer has first siding ring and second siding ring, and this first siding ring and this second siding ring comprise the centre cap position respectively; And
Protective circuit electrically connects this centre cap position of this first siding ring and this second siding ring of this isolating transformer;
So as to, reach multi-protection mechanism by this isolating transformer and this protective circuit, when high pressure surging or electromagnetic interference generation, the induced voltage that this second siding ring produced and the electromagnetic wave of this isolating transformer of significantly decaying.
As mentioned above, wherein this transformer module is arranged among the connector, and this first siding ring of this isolating transformer in this transformer module has first end points and second end points, and this first end points and this second end points electrically connect the connectivity port of this connector; This second siding ring in this isolating transformer has the 3rd end points and the 4th end points, and the 3rd end points and the 4th end points are electrically connected to computer motherboard.
As mentioned above, wherein this connector is the connector of RJ45.
As mentioned above, wherein this connector has the top, disposes this protective circuit on this top.
As mentioned above, wherein this protective circuit also comprises: circuit board and at least one are electrically connected at the protection assembly on this circuit board.
As mentioned above, wherein this protection assembly is connected on this circuit board by the mode of surface adhering technology.
As mentioned above, wherein this protection assembly is that surging suppresses assembly.
As mentioned above, wherein this surging inhibition assembly is a Transient Voltage Suppressor.
As mentioned above, wherein this surging inhibition assembly is a gas discharge tube.
As mentioned above, wherein this surging inhibition assembly is a high-voltage capacitance.
As mentioned above, wherein this protection assembly is the electromagnetic interference shielding assembly.
The utility model is compared to the effect that prior art reached; provide multi-protection mechanism by protective circuit and isolating transformer; significantly the decay induced voltage that second siding ring produced and the electromagnetic interference of isolating transformer avoid burning with protection and the electronic equipment that second siding ring electrically connects.Moreover protective circuit will protect assembly directly to be arranged on the circuit board, therefore can increase the displacement easness of protection assembly.When user's desire improves the protection specification of electronic equipment, can finish by replacing this protection assembly easily.
Description of drawings
Fig. 1 is known anti-lightning strike machine-processed circuit diagram;
Fig. 2 is the transformer module schematic diagram of preferred embodiment of the present utility model;
Fig. 3 is the connectivity port connection diagram of preferred embodiment of the present utility model;
Fig. 4 is the electronic equipment connection diagram of preferred embodiment of the present utility model;
Fig. 5 is the connector connection diagram of preferred embodiment of the present utility model.
Description of reference numerals
10: isolating transformer 101: first siding ring
1012: the second end points of 1011: the first end points
102: inferior lateral coil 20: high pressure suppresses assembly
2: transformer module 3: isolating transformer
31: 311: the first end points of first siding ring
32: 321: the three end points of second siding ring
4: protective circuit 41: circuit board
42: protection assembly 5: connector
50: connectivity port 51: insulating body
52: metal shell 6: computer motherboard
Embodiment
For can more at large understanding characteristics of the present utility model and technology contents, see also the following stated explanation and accompanying drawing, however the usefulness of appended accompanying drawing explanation only for reference, but not be used for being limited.
See also Fig. 2, be the transformer module schematic diagram of preferred embodiment of the present utility model.As shown in Figure 2, mainly electrically connect into the transformer module with multiple protective mechanism 2 that the utility model discloses by isolating transformer 3 and protective circuit 4.This isolating transformer 3 shown in Fig. 2 is an example with transformer integrated circuit (IC, Integrated Circuit), and wherein includes two groups transformer pin position, but not as limit.This isolating transformer 3 has first siding ring 31 and second siding ring 32, this first siding ring 31 has first end points 311 and second end points 312 (as the MX1+ among the figure, MX1-, and MX2+ and MX2-), and this second siding ring 32 has corresponding the 3rd end points 321 and the 4th end points 322 (as the MDI_1+ among the figure, MDI_1-, and MDI_2+, MDI_2-).This first siding ring 31 and this second siding ring 32 of this isolating transformer 3 also have centre cap position 313 and 323 respectively, and this isolating transformer 3 is at this centre cap position 313 and 323 electrically connect these protective circuits 4.More particularly, this isolating transformer 3 is by this centre cap position 313 and 323 in parallel with this protective circuit 4, but not as limit.So as to, form this transformer module 2 by this protective circuit 4 and this isolating transformer 3, reach multi-protection mechanism.
Please also refer to Fig. 3 and Fig. 4, be the connectivity port connection diagram and the electronic equipment connection diagram of preferred embodiment of the present utility model.When this transformer module 2 is arranged in the connector 5 (as shown in Figure 5), mainly pass through this first end points 311 of this first siding ring 31 and the connectivity port 50 that this second end points 312 electrically connects these connectors 5.And the 3rd end points 321 and the 4th end points 322 by this second siding ring 32 are electrically connected to electronic equipment (for example, computer motherboard 6).This link 50 externally connects cable or external device (ED) (not indicating among the figure), when cable or external device (ED) make a mistake, produce static, or be struck by lightning, when causing this first siding ring 31 to produce high pressure surging or electromagnetic interference, this transformer module 2 can be decayed and be restrained.Whereby, block induced voltage and electromagnetic wave that this second siding ring 32 is produced, protect this computer motherboard 6 unlikely burning.Wherein, this connector 5 mainly can be the connector that connects network cable, as the connector of RJ45, but this is not limited.
See also Fig. 5, be the connector connection diagram of preferred embodiment of the present utility model.As shown in Figure 5, this transformer module 2 mainly is arranged in this connector 5, and electrically connects with this computer motherboard 6.When this outside produces static or is struck by lightning; and when causing high pressure surging or electromagnetic interference to produce; can be by this transformer module 2 induced voltage and electromagnetic wave that this second siding ring 32 (as shown in Figure 2) of this isolating transformer 3 produced of significantly decaying, protect that this computer motherboard 6 is unlikely to be affected and to burn.
This connector 5 has insulating body 51 and metal shell 52, in order to coat this connectivity port 50 and this transformer module 2.The utility model mainly can be removed the top of this insulating body 51 and this metal shell 52, so as to, this protective circuit 4 is arranged at the top of this connector 5.
As shown in Figure 5; this protective circuit 4 mainly protects assembly 42 to be constituted by circuit board 41 and more than at least one or two; this circuit board 41 is arranged on this isolating transformer 3, electrically connects this centre cap position 313 and 323 (as shown in Figure 2), so as to electrically connecting with this isolating transformer 3.These at least one or two above protection assemblies 42 are electrically connected on this circuit board 41, and with these circuit board 41 common these protective circuits 4 of formation, this protection assembly 42 electrically connects by this circuit board 41 and this isolating transformer 3.What deserves to be mentioned is; these at least one or two above protection assemblies 42 can be by surface adhering technology (SMT; Surface MountTechnology) mode is connected on this circuit board 41, so as to dwindling the overall volume of this protective circuit 4 and this transformer module 2, but not as limit.
This protection assembly 42 mainly can be various surging and suppresses assembly, for example Transient Voltage Suppressor (TVS, Transient Voltage Suppressor), gas discharge tube (GDT, Gas Discharge Tube) or high-voltage capacitance etc.Moreover this protection assembly 42 also can be electromagnetic interference (EMI, Electro-MagneticInterference) guard assembly.So as to, this protection assembly 42 and these circuit board 41 common these protective circuits 4 of formation.In the present embodiment, this protective circuit 4 is arranged at the top of this connector 5, and makes respectively that this protection assembly 42 is provided with up.Thus, when user's desire strengthened the safety standard of this computer motherboard 6, respectively this protection assembly 42 that gets final product on this protective circuit 4 of direct replacement was realized easily.
What deserves to be mentioned is, can on this protective circuit 4, electrically connect the plural protection assembly 42 that is somebody's turn to do, so as to reaching multi-protection mechanism according to the requirement of user for safety standard by this transformer module 2.Wherein, if the quantity of this protection assembly 42 on this protective circuit 4 is more than two, then this protects assembly 42 to can be selected from the group that is made up of Transient Voltage Suppressor, gas discharge tube, high-voltage capacitance and EMI guard assembly more than two.And; selected each should protect assembly 42 all inequality; for example, adopt collocation modes such as Transient Voltage Suppressor collocation gas discharge tube, gas discharge tube collocation high-voltage capacitance, high-voltage capacitance collocation Transient Voltage Suppressor and employing gas discharge tube collocation EMI guard assembly.Moreover, also can adopt Transient Voltage Suppressor, gas discharge tube, high-voltage capacitance and EMI guard assembly simultaneously, so as to, in various degree high pressure surging and electromagnetic interference suppressed.
The above only is the specifying of preferred embodiment of the present utility model, and is not in order to limiting to protection range of the present utility model, and other any equivalent transformation all should drop in the protection range of aftermentioned application.
Claims (11)
1. the transformer module with multiple protective mechanism is characterized in that, comprising:
Isolating transformer has first siding ring and second siding ring, and this first siding ring and this second siding ring comprise the centre cap position respectively; And
Protective circuit electrically connects this centre cap position of this first siding ring and this second siding ring of this isolating transformer, to reach multi-protection mechanism jointly with this isolating transformer.
2. the transformer module with multiple protective mechanism according to claim 1, it is characterized in that, described transformer module is arranged among the connector, the first siding ring of the isolating transformer in the described transformer module has first end points and second end points, and this first end points and this second end points electrically connect the connectivity port of this connector; Second siding ring in the described isolating transformer has the 3rd end points and the 4th end points, and the 3rd end points and the 4th end points are electrically connected to computer motherboard.
3. the transformer module with multiple protective mechanism according to claim 2 is characterized in that, described connector is the connector of RJ45.
4. the transformer module with multiple protective mechanism according to claim 3 is characterized in that described connector has the top, disposes described protective circuit on this top.
5. the transformer module with multiple protective mechanism according to claim 4 is characterized in that, described protective circuit also comprises: circuit board and at least one are electrically connected at the protection assembly on this circuit board.
6. the transformer module with multiple protective mechanism according to claim 5 is characterized in that, described protection assembly is connected on the described circuit board by the mode of surface adhering technology.
7. the transformer module with multiple protective mechanism according to claim 5 is characterized in that, described protection assembly is that surging suppresses assembly.
8. the transformer module with multiple protective mechanism according to claim 7 is characterized in that, it is Transient Voltage Suppressor that described surging suppresses assembly.
9. the transformer module with multiple protective mechanism according to claim 7 is characterized in that, it is gas discharge tube that described surging suppresses assembly.
10. the transformer module with multiple protective mechanism according to claim 7 is characterized in that, it is high-voltage capacitance that described surging suppresses assembly.
11. the transformer module with multiple protective mechanism according to claim 5 is characterized in that, described protection assembly is the electromagnetic interference shielding assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202644725U CN201838447U (en) | 2010-07-14 | 2010-07-14 | Transformer module with multiple protection mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202644725U CN201838447U (en) | 2010-07-14 | 2010-07-14 | Transformer module with multiple protection mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201838447U true CN201838447U (en) | 2011-05-18 |
Family
ID=44008550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202644725U Expired - Fee Related CN201838447U (en) | 2010-07-14 | 2010-07-14 | Transformer module with multiple protection mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201838447U (en) |
-
2010
- 2010-07-14 CN CN2010202644725U patent/CN201838447U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20160714 |