CN101593614A - Transformer and using method thereof - Google Patents
Transformer and using method thereof Download PDFInfo
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- CN101593614A CN101593614A CNA2008100981844A CN200810098184A CN101593614A CN 101593614 A CN101593614 A CN 101593614A CN A2008100981844 A CNA2008100981844 A CN A2008100981844A CN 200810098184 A CN200810098184 A CN 200810098184A CN 101593614 A CN101593614 A CN 101593614A
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Abstract
A kind of transformer comprises a drum stand unit and is arranged at a primary coil of this drum stand unit, level coil, a core unit, two induction terminals and a detecting terminal.This core unit forms the flux path of this primary and secondary coil of connection.Described induction terminal is arranged at this drum stand unit, and respectively have one first induction planes and one second induction planes, described first induction planes toward each other and form one first inductance capacitance, described second induction planes is respectively towards this secondary coil and respectively form one second inductance capacitance.This detecting terminal is arranged at this drum stand unit, and comprises an input section and a deferent segment, and this input section contacts with this core unit.
Description
Technical field
The present invention relates to a kind of transformer, particularly relate to a kind of transformer and using method thereof of detecting load condition.
Background technology
Backlight For Liquid Crystal Display Panels normally adopts the discharge tube circuit; in order to detect the operating state of discharge tube; generally can utilize electronic components such as electric capacity, diode to be used as detecting media to obtain a detection signal; analyze this detection signal again to carry out safeguard measure, for example power supply is closed or the voltage reduction.
As No. the 94120180th, TaiWan, China patent application; No. 95218789; disclosed discharge tube such as No. 92121581 is with shown in the protective circuit; all be to be used as detecting media by an existing electronic component; and all be directly to link to each other with the discharge tube circuit; though have the effect of detecting discharge tube state; yet when will be when the discharge tube circuit be connected; circuit layout can make the degree of difficulty of layout influenced because of the consideration of high pressure creepage distance (Creepage); increase so that the quantity of discharge tube when increasing when the size of LCD in addition; the electronic component number that is used for detecting also certainly will roll up, so can cause cost to improve.
In addition; use shown in the protective circuit as No. 92212167 disclosed discharge tube of TaiWan, China patent application; it is characterized in that it being to utilize the mode of sensing discharge tube " light source " to detect; rather than directly link to each other with discharge tube; hence one can see that must adopt an existing photoelectric cell (for example optical diode or coupling element) to be used as detecting media; and when the quantity of discharge tube increases employed photoelectric cell quantity also along with increase; so when being applied to the large scale liquid crystal display; the shortcoming that has cost to improve equally; and when utilizing " light source " to judge as detecting; light source that each photoelectric cell receives does not often just come from single discharge tube; the light source that adjacent discharge tube sent and see through member such as light guide plate and reflect; the light source that refraction forms all can exert an influence; be inaccurate so be used on each discharge tube state of judgement; if and also to do when detecting at other not irradiative load elements (for example transformer), utilize the mode of light source detecting that the shortcoming that can't be suitable for is also arranged.
Summary of the invention
A purpose of the present invention is to be to provide a kind of effect of detecting accurately, can not cause the circuit layout difficulty just can detect the transformer of load condition.
Another object of the present invention is to be to provide a kind of using method that can detect the transformer of load condition.
This transformer comprises a drum stand unit and is arranged at a primary coil of this drum stand unit, level coil and a core unit, and this core unit forms a flux path that connects this primary and secondary coil.
Transformer of the present invention is characterised in that: this transformer comprises two induction terminals and a detecting terminal, described induction terminal is arranged at this drum stand unit, and respectively have one first induction planes and one second induction planes, described first induction planes toward each other and form one first inductance capacitance, described second induction planes is respectively towards this secondary coil and respectively form one second inductance capacitance; This detecting terminal is arranged at this drum stand unit, and comprises an input section and a deferent segment, and this input section contacts with this core unit.
And the using method of transformer of the present invention is characterized in that comprising following steps:
(A) preparation one transformer, this transformer comprises a primary coil, level coil, a core unit, two can be electrically connected on the induction terminal of load and the detecting terminals of a conduction, described induction terminal respectively has one first induction planes and one second induction planes, described first induction planes toward each other and form one first inductance capacitance, described second induction planes also respectively forms one second inductance capacitance towards this secondary coil respectively, and this detecting terminal contacts with this core unit.
(B) make wherein connecting of described induction terminal, and obtain a detection signal from this detecting terminal with earth terminal.
Detection signal during (C) according to this load normal operation changes, and judges whether this load operates in normal or abnormality.
Beneficial effect of the present invention is: by the obtained detection signal of this detecting terminal, and the detection signal when confirming this load normal operation in advance changes, just can reach does not need to be electrically connected with the load of transformer, also can pass through interlock circuit or instrument, reach and judge whether normally function of this load operation exactly.
Description of drawings
Fig. 1 is an end view, and first preferred embodiment of transformer of the present invention and using method thereof is described;
Fig. 2 is an end view, and a detecting terminal and a core unit state of contact is described in above-mentioned first preferred embodiment;
Fig. 3 is a schematic diagram, illustrates in above-mentioned first preferred embodiment, in order to detect the equivalent electric circuit of load condition;
Fig. 4 is a use schematic diagram, and the situation that a transformer and two loads normally are connected is described;
Fig. 5 is the oscillogram of Fig. 4 when operating, and illustrates that a running detection signal just often changes;
Fig. 6 is a use schematic diagram, illustrates that this transformer is connected unusual situation with a load that is positioned at the right side;
Fig. 7 is the oscillogram of Fig. 6 when operating, and illustrates that the detection signal that this load connects when unusual changes;
Fig. 8 is a use schematic diagram, illustrates that this transformer is connected unusual situation with two loads;
Fig. 9 is the oscillogram of Fig. 8 when operating, and illustrates that the detection signal that described load connects when unusual changes;
Figure 10 is an end view, and second preferred embodiment of transformer of the present invention is described;
Figure 11 is an end view, and the 3rd preferred embodiment of transformer of the present invention is described;
Figure 12 is an end view, and the 4th preferred embodiment of transformer of the present invention is described;
Figure 13 is a vertical view, and the 5th preferred embodiment of transformer of the present invention is described;
Figure 14 is a vertical view, and the 6th preferred embodiment of transformer of the present invention is described;
Figure 15 is an end view, and the 7th preferred embodiment of transformer of the present invention is described;
Figure 16 is an end view, and the 8th preferred embodiment of transformer of the present invention is described;
Figure 17 is a cutaway view, and the 9th preferred embodiment of transformer of the present invention is described;
Figure 18 is a schematic diagram, and the tenth preferred embodiment of transformer of the present invention is described; And
Figure 19 is a schematic diagram, and the situation that combines of this transformer and a plurality of connectors is described in above-mentioned the tenth preferred embodiment.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Before the present invention is described in detail, be noted that in the following description content similar elements is to represent with identical Reference numeral.
As shown in Figure 1, 2, 3, first preferred embodiment of transformer 200 of the present invention and using method thereof, this transformer 200 comprises a drum stand unit 20, and is arranged at a primary coil 31 of this drum stand unit 20, level coil 32, a core unit 40, two induction terminals 50 and detecting terminals 60.
This drum stand unit 20 extends along a length direction X.
This secondary coil 31 is around this length direction X, and in order to connect power supply to two loads 201, discharge tube is adopted in described load 201 in the present embodiment.
This core unit 40 forms the flux path of this primary and secondary coil 31,32 of connection.
Described induction terminal 50 is arranged at this drum stand unit 20, and can be electrically connected on this secondary coil 32 respectively by the indirect connected mode that connects up on direct connection of lead or the circuit board, described induction terminal 50 respectively has one first induction planes 51 and one second induction planes 52, described first induction planes 51 toward each other and form one first inductance capacitance C1, described second induction planes 52 also respectively forms one second inductance capacitance C2 towards this secondary coil 32 respectively, in the present embodiment, described first induction planes 51 extends from this drum stand unit 20 along this length direction X, and described second induction planes 52 is connected to described first induction planes 51 and is incorporated into this drum stand unit 20.
This detecting terminal 60 is to be arranged at this drum stand unit 20, and comprises that input section 61, one deferent segment 62 and is connected in the linkage section 63 between this input section 61 and this deferent segment 62.
This input section 61 is extended and is contacted this core unit 40 towards this core unit 40 from this linkage section 63.
This deferent segment 62 is in order to export a detection signal, this detection signal is along with the power supply situation of this secondary coil 32 changes, can judge the operating state of load thus, this detection signal directly is taken from this deferent segment 62 in the present embodiment, also can be taken from this deferent segment 62 during practical application with respect to the wherein formed signals variations of described induction terminal 50.
This linkage section 63 is linked to this drum stand unit 20, and in the present embodiment, this input section 61 is to bend to be stretched into one with respect to these core unit 40 rubber-like flexure strips, guarantees thus to the function that is affixed on this core unit 40.
To shown in Figure 9, the using method of transformer of the present invention is to be to provide the above-mentioned transformer 200 of detecting when connecting at least one load or a plurality of load as Fig. 4, and respectively whether this load operation state is precisely differentiated normally, and the method includes the steps of:
(A) preparation transformer 200 same as described above, and connect with a load 201 respectively in secondary coil 32 two ends of this transformer 200, during practical application, also can have only an end of this secondary coil 32 to connect with a load 201, and the other end is connected serially to earth terminal (GND) or be connected load 201 employing discharge tubes in the present embodiment with other circuit.
(B) make wherein connecting with earth terminal of described induction terminal 50, and obtain this detection signal from this detecting terminal 60, this detection signal is actually a voltage signal.
(C) obtain in advance described load 201 all the detection signal during normal operation change, detection signal variation during again according to normal operation contrasts with this detection signal that receives, judge that with this described load 201 all is that running is in normal condition, or one are abnormalities wherein, or all be abnormality.
When for example the load among Fig. 4 201 all is connected really with this transformer 200 (representing certain connection) with solid line; Fig. 5 reflect described load 201 all the detection signal during normal operation change; (represent to connect uncertain) when being connected really with this transformer 200 as the load 201 that is positioned at the right side among Fig. 6 in addition with imaginary line; Fig. 7 just reflect described load 201 wherein detection signals when unusual change; when described load 201 and for example shown in Figure 8 all is connected really with this transformer 200; Fig. 9 reflects the unusual detection signal of described load 201 to be changed; so the detection signal during by different conditions changes; when obtaining this detection signal by instrument; the examination and test of products or maintenance personal just can judge the operating state of described load 201 exactly; and circuit designers also can change at the magnitude of voltage of this detection signal; design and when abnormal case, to give the alarm, or the circuit design of protection is provided.
Whereby, just need on circuit board, additionally not increase detecing element during circuit design, as long as see through that this detecting terminal 60 cooperates or with described induction terminal 50 obtained these detection signals, and the detection signal when confirming described load 201 normal operations in advance changes, just can reach the load that does not need with transformer 200 is electrically connected, also can pass through interlock circuit or instrument, reach and judge whether normally function of described load 201 runnings exactly.
As shown in figure 10, below will illustrate further second preferred embodiment of the present invention, this second preferred embodiment and above-mentioned first preferred embodiment are roughly the same, it is to lay respectively at the both sides of this length direction X and be incorporated into this drum stand unit 20 that its difference is in described first induction planes 51, described second induction planes 52 is to be connected to described first induction planes 51 and to extend perpendicular to the transverse direction Y of this length direction X from this drum stand unit 20 along one, can form inductance capacitance whereby equally and the function that provides this detection signal to change is provided.
As shown in figure 11, below will illustrate further the 3rd preferred embodiment of the present invention, the 3rd preferred embodiment and above-mentioned first preferred embodiment are roughly the same, its difference is in also comprising an output capacitance 70, this output capacitance 70 is arranged at this drum stand unit 20 and can directly or indirectly be electrically connected between the described induction terminal 50, in the present embodiment, this output capacitance 70 is coated in this drum stand unit 20, and the two ends of this output capacitance 70 are electrically connected with described induction terminal 50.
As shown in figure 12, below will illustrate further the 4th preferred embodiment of the present invention, the 4th preferred embodiment and above-mentioned second preferred embodiment are roughly the same, its difference is in and comprises two spliced eyes 21 in this drum stand unit 20, the two ends of this output capacitance 70 are inserted in described spliced eye 21 and are electrically connected with described induction terminal 50, and described spliced eye 21 also can plug electronic components such as a plurality of electric capacity, resistance when practical application.
As shown in figure 13, below will illustrate further the 5th preferred embodiment of the present invention, the 5th preferred embodiment and above-mentioned first preferred embodiment are roughly the same, its difference is in also comprising an output capacitance 70, this drum stand unit 20 also comprises a plurality of separation troughs 24, this primary and secondary coil 31,32 is wound in respectively in the described separation trough 24, this output capacitance 70 is arranged in the wherein separation trough 24 that is wound with this secondary coil 32, and two ends can directly or indirectly be electrically connected between two terminals.
As shown in figure 14, below will illustrate further the 6th preferred embodiment of the present invention, the 6th preferred embodiment and above-mentioned first preferred embodiment are roughly the same, its difference is in also comprising a plurality of binding posts 80 that are arranged at this drum stand unit 20, described binding post 80 directly is electrically connected with this secondary coil 32 and is electrically connected with described induction terminal 50 indirectly by the wiring on the circuit board, described binding post 80 passes the two opposite sides of this drum stand unit 20 along this transverse direction Y extension, the two ends of this secondary coil 32 are connected with the two ends of a binding post 80 wherein respectively, whereby, can be so that the two opposite sides of circuit layout in this drum stand unit 20 can both connect with this secondary coil 32, and then can reach the minimizing wire jumper, make circuit layout more simplify easy advantage.
As shown in figure 15, below will illustrate further the 7th preferred embodiment of the present invention, the 7th preferred embodiment and above-mentioned first preferred embodiment are roughly the same, its difference is in and comprises a terminal hole 22 in this drum stand unit 20, the deferent segment 62 of this detecting terminal 60 this terminal hole 22 that stretches through out, and have a stop section 621 that is resisted against these terminal hole 22 outer rims.
As shown in figure 16, below will illustrate further the 8th preferred embodiment of the present invention, the 8th preferred embodiment and above-mentioned the 7th preferred embodiment are roughly the same, its difference is in the input section 61 of this detecting terminal 60 this terminal hole 22 that stretches through out, and have one and be series at this deferent segment 62 and be resisted against the electronic component 611 of this core unit 40, this electronic component 611 can adopt the electric capacity or the resistance of SMD LED surface-mount device LED.
As shown in figure 17, below will illustrate further the 9th preferred embodiment of the present invention, the 9th preferred embodiment and above-mentioned first preferred embodiment are roughly the same, its difference is in and comprises a hole 23 unshakable in one's determination in this drum stand unit 20, the input section 61 of this detecting terminal 60 is arranged in this iron core hole 23, this deferent segment 62 extends outside this drum stand unit 20, and this core unit 40 is mounted on this iron core hole 23 and contacts with this input section 61.
As Figure 18, shown in 19, below will illustrate further the tenth preferred embodiment of the present invention, the tenth preferred embodiment and above-mentioned first preferred embodiment are roughly the same, its difference is in also comprising a plurality of portion of terminal 80 that are arranged at this drum stand unit 20, a plurality of binding post 81 and a plurality of splicing ears 82 that are arranged at described binding post 81 sides respectively that are arranged at described portion of terminal respectively, described binding post 81, described splicing ear 82 is electrically connected to each other with described induction terminal 50, described splicing ear 82 connector 90 of arranging in pairs or groups respectively, described connector 90 adopts the insulation material, and be coated to described portion of terminal 80 from extending of described induction terminal 50 on every side respectively, in the present embodiment, described portion of terminal 80 is to adopt grab and fixture block with this connector 90, or the structure of grab and draw-in groove links firmly to reach.
Claims (20)
1. a transformer comprises a drum stand unit, and is arranged at a primary coil of described drum stand unit, level coil and a core unit, and described core unit forms a flux path that connects described primary and secondary coil, it is characterized in that:
Described transformer comprises two induction terminals and a detecting terminal, described induction terminal is arranged at described drum stand unit, and respectively have one first induction planes and one second induction planes, described first induction planes toward each other and form one first inductance capacitance, described second induction planes is respectively towards described secondary coil and respectively form one second inductance capacitance; Described detecting terminal is arranged at described drum stand unit, and comprises an input section and a deferent segment, and described input section contacts with described core unit.
2. according to the described transformer of claim 1, it is characterized in that: described drum stand unit extends along a length direction, described secondary coil is around described length direction, described first induction planes extends along described length direction from described drum stand unit, and described second induction planes is connected to described first induction planes and is incorporated into described drum stand unit.
3. according to the described transformer of claim 1, it is characterized in that: described drum stand unit extends along a length direction, described secondary coil is around described length direction, described first induction planes lays respectively at the both sides of described length direction and is incorporated into described drum stand unit, and described second induction planes is connected to described first induction planes and extends from described drum stand unit along a transverse direction perpendicular to described length direction.
4. according to the described transformer of claim 1, it is characterized in that: also comprise an output capacitance, described output capacitance is arranged at described drum stand unit and directly or indirectly is electrically connected between the two-terminal.
5. according to the described transformer of claim 4, it is characterized in that: described two-terminal is described induction terminal.
6. according to the described transformer of claim 4, it is characterized in that: described output capacitance is coated in the described drum stand unit, and the two ends of described output capacitance directly or indirectly are electrically connected with described induction terminal.
7. according to the described transformer of claim 4, it is characterized in that: described drum stand unit comprises two spliced eyes, and the two ends of described output capacitance are inserted in described spliced eye and directly or indirectly are electrically connected with described induction terminal.
8. according to the described transformer of claim 1, it is characterized in that: also comprise a plurality of binding posts that are arranged at described drum stand unit, wherein one being electrically connected of described binding post with described secondary coil, described drum stand unit extends along a length direction, described binding post wherein one along a two opposite sides that passes described drum stand unit perpendicular to the transverse direction of described length direction extends.
9. according to the described transformer of claim 1, it is characterized in that: described detecting terminal comprises that also one is connected in the linkage section between described input section and the described deferent segment, described linkage section is linked to described drum stand unit, and described input section is extended and contacted described core unit towards described core unit from described linkage section.
10. according to the described transformer of claim 1, it is characterized in that: the input section of described detecting terminal is curved to be stretched into one with respect to described core unit rubber-like flexure strip.
11. according to the described transformer of claim 1, it is characterized in that: described drum stand unit comprises a terminal hole, and described detecting terminal is arranged in described terminal hole.
12. according to the described transformer of claim 11, it is characterized in that: the input section of the described detecting terminal described terminal hole that stretches through out, and curved be stretched into one with respect to described core unit rubber-like flexure strip, the described deferent segment described terminal hole that stretches through out, and have a stop section that is resisted against described terminal hole outer rim.
13. according to the described transformer of claim 11, it is characterized in that: the input section of the described detecting terminal described terminal hole that stretches through out, and have one and be series at described deferent segment and be resisted against the electronic component of described core unit, the described deferent segment described terminal hole that stretches through out, and have a stop section that is resisted against described terminal hole outer rim.
14. according to the described transformer of claim 13, it is characterized in that: described electronic component is electric capacity, resistance.
15. according to the described transformer of claim 1, it is characterized in that: described drum stand unit comprises a hole unshakable in one's determination, the input section of described detecting terminal is arranged in the described hole unshakable in one's determination, described deferent segment extends outside the described drum stand unit, and described core unit is mounted on the contact of the described input section of described Kong Bingyu unshakable in one's determination.
16. according to the described transformer of claim 1, it is characterized in that: also comprise a plurality of portion of terminal that are arranged at described drum stand unit, a plurality of binding post that is arranged at described portion of terminal respectively, and a plurality of other splicing ears of described binding post that are arranged at respectively, wherein one being electrically connected to each other of described binding post, described splicing ear and described induction terminal, the described splicing ear connector of arranging in pairs or groups respectively, described connector adopts the insulation material, and is coated to described portion of terminal from extending of described induction terminal on every side respectively.
17. according to the described transformer of claim 16, it is characterized in that: described portion of terminal and described connector are to adopt the structure of grab and fixture block, grab and draw-in groove to link firm.
18. according to the described transformer of claim 1, it is characterized in that: also comprise an output capacitance, described drum stand unit also comprises a plurality of separation troughs, described primary and secondary coil is wound in respectively in the described separation trough, and described output capacitance is arranged at wherein also directly or indirectly being electrically connected between the two-terminal of described separation trough.
19. the using method of a transformer is characterized in that comprising following steps:
(A) preparation one transformer, described transformer comprises a primary coil, level coil, a core unit, two can be electrically connected on the induction terminal of load and the detecting terminals of a conduction, described induction terminal respectively has one first induction planes and one second induction planes, described first induction planes toward each other and form one first inductance capacitance, described second induction planes also respectively forms one second inductance capacitance towards described secondary coil respectively, and described detecting terminal contacts with described core unit;
(B) make wherein connecting of described induction terminal, and obtain a detection signal from described detecting terminal with earth terminal; And
Detection signal during (C) according to described load normal operation changes, and judges whether described load operates in normal or abnormality.
20. using method according to the described transformer of claim 19, it is characterized in that: connect with a load respectively in the secondary coil two ends of described step (A), described step (C) be obtain in advance described load all the detection signal during normal operation change, detection signal during again according to normal operation changes with the described detection signal that receives and compares, and judges that with this described load all is running in normal condition or wherein one is abnormalities or all is abnormality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100981844A CN101593614A (en) | 2008-05-26 | 2008-05-26 | Transformer and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100981844A CN101593614A (en) | 2008-05-26 | 2008-05-26 | Transformer and using method thereof |
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| Publication Number | Publication Date |
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| CN101593614A true CN101593614A (en) | 2009-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100981844A Pending CN101593614A (en) | 2008-05-26 | 2008-05-26 | Transformer and using method thereof |
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| CN (1) | CN101593614A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534291A (en) * | 2019-07-31 | 2019-12-03 | 关军 | A kind of vertical winding type flat transformer |
-
2008
- 2008-05-26 CN CNA2008100981844A patent/CN101593614A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534291A (en) * | 2019-07-31 | 2019-12-03 | 关军 | A kind of vertical winding type flat transformer |
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