CN212210487U - Semiconductor surge protection device - Google Patents
Semiconductor surge protection device Download PDFInfo
- Publication number
- CN212210487U CN212210487U CN201922273966.3U CN201922273966U CN212210487U CN 212210487 U CN212210487 U CN 212210487U CN 201922273966 U CN201922273966 U CN 201922273966U CN 212210487 U CN212210487 U CN 212210487U
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- Prior art keywords
- protection device
- transient suppression
- fuse
- surge protection
- surge protector
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 230000001629 suppression Effects 0.000 claims abstract description 31
- 230000001052 transient effect Effects 0.000 claims abstract description 30
- 230000001012 protector Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 208000025274 Lightning injury Diseases 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a semiconductor surge protection device, which comprises a protected electric device, a power line and a surge protector, wherein the power line is coupled with the surge protector in the surge protector and passes through the surge protector to be electrically connected with the protected electric device; the surge protector is composed of a machine body and an inner element, wherein the element positioned in the machine body comprises a transient suppression diode, an annular choke coil and a safety mechanism; the power line consists of a live wire, a zero line and a ground wire; the cathode of the transient suppression diode is electrically connected with the live wire, and the anode of the transient suppression diode is electrically connected with the ground wire. This semiconductor surge protection device through setting up a plurality of transient state suppression diodes, avoids this surge protection device of single setting to lead to electrical apparatus to damage after TVS damages, makes electrical apparatus further protected through having set up fuse mechanism, and the state can be observed from the outside to this fuse simultaneously, also is convenient for change.
Description
Technical Field
The utility model relates to an electrical apparatus protection technical field specifically is a semiconductor surge protection device.
Background
Thunder and lightning are powerful pulse spark discharge processes in the nature, the direct current can reach 200KA, the lightning stroke surge is represented by 8/20 mu s waveform or 10/350 mu s waveform, and various components connected with a direct current power supply can be damaged when an outdoor direct current power supply is directly struck by thunder or induced, so that surge protectors can be bridged on a base station communication power supply, an electric vehicle charging device, a solar cell panel and the outdoor direct current power supply, and the components can be effectively protected from being damaged by lightning stroke through the absorption capacity of the surge protectors to the surge.
The existing surge protector is installed on the power supply access line of a component, generally consists of a transient suppression diode (TVS) made of a semiconductor material, when two poles of the TVS diode are impacted by reverse transient high energy, the TVS diode can change the high impedance between the two poles into low impedance at the speed of 10 to 12 times of a second, absorb the surge power of thousands of watts, clamp the voltage between the two poles at a preset value, and effectively protect precise components in an electronic circuit from being damaged by various surge pulses.
Most of the existing TVS diodes are connected in parallel in a circuit, in order to prevent the TVS diodes from being damaged and enabling electrical components not to be protected, a safety device is generally arranged between the electrical components and the TVS diode circuit, and the existing safety device is simple and is not convenient to replace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a semiconductor surge protection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a semiconductor surge protection device comprises a protected electric device, a power line and a surge protector, wherein the power line is coupled with the surge protector in the surge protector and penetrates through the surge protector to be electrically connected with the protected electric device; the surge protector is composed of a machine body and an inner element, wherein the element positioned in the machine body comprises a transient suppression diode, an annular choke coil and a safety mechanism; the power line consists of a live wire, a zero line and a ground wire; the cathode of the transient suppression diode is electrically connected with the live wire, and the anode of the transient suppression diode is electrically connected with the ground wire; the safety release mechanism and the annular choke coil are connected in series on the live wire and located between a transient suppression diode and a live wire connecting point and a protected electric device, and the annular choke coil is located between the safety mechanism and the protected electric device.
Preferably, the organism divide into quick-witted case and preceding cover, and is articulated through the hinge between the two, and the junction is provided with the sealing rubber circle, the right side of organism is provided with the hasp that is used for fixed quick-witted case and preceding cover, there is the observation window of transparent ya keli material in the front of preceding cover.
Preferably, fuse mechanism is including installing the fuse installation piece at quick-witted incasement portion, the mounting groove has been seted up in its front of fuse installation piece, the front of mounting groove is provided with the positioning mechanism who is used for fixed fuse, positioning mechanism is including seting up the sliding tray in fuse installation piece both sides, the inside sliding connection of sliding tray has the slider, the positive fixedly connected with of slider extends to the positive mount of sliding tray, the positive middle part threaded connection locking bolt of mount, the back that locking bolt extends to the mount rotates and is connected with the fixed frame of arc.
Preferably, the top and the bottom of the mounting groove of fuse installation piece all are provided with the spring conducting strip of being connected with the live wire, the internally mounted of mounting groove has the fuse, the positive upper portion of mounting groove still is provided with the upper fixed frame, the intrados fixedly connected with rubber block of the fixed frame of arc, the back of upper fixed frame just also is provided with the rubber block for the cambered surface.
Preferably, the transient suppression diode is one of a unidirectional transient suppression diode and a bidirectional suppression diode, and the number of the transient suppression diodes is at least two.
Preferably, the annular choke coils are formed by winding a conducting wire on the surface of the electromagnet, and the number of the annular choke coils is at least one group.
Advantageous effects
The utility model provides a semiconductor surge protection device possesses following beneficial effect:
1. this semiconductor surge protection device, the live wire is received through annular choke coil on the electric part of being protected, choke coil is a ring of making with magnetic material, the wire is being twined to the outside, the magnetic ring is the electro-magnet, the upper and lower fluctuation of the electric current that flows through in the live wire can charge for the electro-magnet, make it send electromagnetic energy, thereby eliminate the small fluctuation of electric current, this kind of "through the regulation" electric current is more stable, can make the supply current who is protected electric part or other electronic equipment more gentle.
2. This semiconductor surge protection device through setting up a plurality of transient state suppression diodes, avoids this surge protection device of single setting to lead to electrical apparatus to damage after TVS damages, makes electrical apparatus further protected through having set up fuse mechanism, and the state can be observed from the outside to this fuse simultaneously, also is convenient for change.
Drawings
Fig. 1 is a schematic front view of the external structure of the present invention;
FIG. 2 is a schematic view of the front view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a schematic side view of the fuse mounting block of the present invention;
fig. 5 is a schematic view of a cross-sectional structure of the fuse mounting block of the utility model.
In the figure: the device comprises a protected electric device 1, a transient suppression diode 2, a ring choke coil 3, a live wire 4, a zero wire 5, a ground wire 6, a chassis 7, a front machine cover 8, an observation window 9, a fuse mounting block 10, a mounting groove 11, a sliding groove 12, a sliding block 13, a fixing frame 14, a locking bolt 15, an arc-shaped fixing frame 16 and an upper fixing frame 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a semiconductor surge protection device comprises a protected electric device 1, a power line and a surge protector, wherein the power line is coupled with the surge protector in the surge protector and penetrates through the surge protector to be electrically connected with the protected electric device 1; the surge protector comprises organism and interior component, and the organism divide into quick-witted case 7 and preceding cover 8, and is articulated through the hinge between the two, and the junction is provided with the sealing rubber circle, and the right side of organism is provided with the hasp that is used for fixed quick-witted case 7 and preceding cover 8, and there is the observation window 9 of transparent ya keli material in the front of preceding cover 8.
The elements positioned inside the machine body comprise a transient suppression diode 2, a ring choke coil 3 and a safety mechanism; the annular choke coils 3 are formed by winding a conducting wire on the surface of the electromagnet, the number of the annular choke coils 3 is at least one group, and the transient suppression diodes 2 are one of unidirectional transient suppression diodes and bidirectional suppression diodes, and the number of the transient suppression diodes is at least two.
Fuse mechanism is including installing fuse installation piece 10 in quick-witted case 7 inside, mounting groove 11 has been seted up on its front of fuse installation piece 10, the front of mounting groove 11 is provided with the positioning mechanism who is used for fixed fuse, positioning mechanism is including seting up the sliding tray 12 in fuse installation piece 10 both sides, the inside sliding connection of sliding tray 12 has slider 13, slider 13's positive fixedly connected with extends to the positive mount 14 of sliding tray 12, 14 positive middle part threaded connection locking bolt 15 of mount, locking bolt 15 extends to the back of mount 14 and rotates and be connected with the fixed frame 16 of arc.
The top and the bottom of the mounting groove 11 of the fuse mounting block 10 are both provided with a spring conducting strip connected with the live wire 4, the internal mounting of the mounting groove 11 is provided with a fuse, the front upper part of the mounting groove 11 is also provided with an upper fixing frame 17, the inner arc surface of the arc-shaped fixing frame 16 is fixedly connected with a rubber block, and the back of the upper fixing frame 17 is an arc surface and is also provided with a rubber block.
The power line consists of a live wire 4, a zero wire 5 and a ground wire 6; the cathode of the transient suppression diode 2 is electrically connected with the live wire 4, and the anode of the transient suppression diode 2 is electrically connected with the ground wire 6; the safety release mechanism and the annular choke coil 3 are connected in series on the live wire 4 and are positioned between the connection point of the transient suppression diode 2 and the live wire 4 and the protected electric device 1, and the annular choke coil 3 is positioned between the safety mechanism and the protected electric device 1.
The working principle is as follows: when the semiconductor surge protection device is installed, firstly, three lines of a power line are communicated with a power supply access line, when two poles of a TVS diode are impacted by reverse transient high energy in the using process, the TVS diode can change high impedance between the two poles into low impedance at the speed of 10-12 seconds, absorb surge power of thousands of watts, clamp the voltage between the two poles at a preset value, effectively protect precise components in an electronic circuit and prevent various surge pulses from being damaged; meanwhile, a plurality of TVS diodes are arranged to avoid influencing the operation of the equipment after being damaged; live wire 4 is received through annular choke coil 3 and is protected on the electrical part 1, choke coil is a ring of making with magnetic material, the wire is being twined to the outside, the magnetic ring is the electro-magnet, the upper and lower fluctuation of the electric current that flows through in the live wire 4 can be charged for the electro-magnet, make it send electromagnetic energy to eliminate the small fluctuation of electric current, this kind of "through the current of adjusting" is more stable, can make the supply current who is protected electrical part 1 or other electronic equipment gentler.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A semiconductor surge protection device comprises a protected electric device (1), a power line and a surge protector, wherein the power line is coupled with the surge protector in the surge protector and penetrates through the surge protector to be electrically connected with the protected electric device (1); the method is characterized in that: the surge protector is composed of a machine body and an internal element, wherein the element positioned in the machine body comprises a transient suppression diode (2), an annular choke coil (3) and a safety mechanism; the power line consists of a live wire (4), a zero line (5) and a ground wire (6); the negative electrode of the transient suppression diode (2) is electrically connected with the live wire (4), and the positive electrode of the transient suppression diode (2) is electrically connected with the ground wire (6); the safety release mechanism and the annular choke coil (3) are connected in series on the live wire (4) and located between a connection point of the transient suppression diode (2) and the live wire (4) and the protected electric device (1), and the annular choke coil (3) is located between the safety mechanism and the protected electric device (1).
2. A semiconductor surge protection device according to claim 1, wherein: the organism divide into quick-witted case (7) and preceding cover (8), and is articulated through the hinge between the two, and the junction is provided with the sealing rubber circle, the right side of organism is provided with the hasp that is used for fixed quick-witted case (7) and preceding cover (8), there is observation window (9) of transparent ya keli material in the front of preceding cover (8).
3. A semiconductor surge protection device according to claim 1, wherein: fuse mechanism is including installing fuse installation piece (10) in quick-witted case (7) inside, mounting groove (11) have been seted up on fuse installation piece (10) its front, the front of mounting groove (11) is provided with the positioning mechanism who is used for fixed fuse, positioning mechanism is including offering sliding tray (12) in fuse installation piece (10) both sides, the inside sliding connection of sliding tray (12) has slider (13), the positive fixedly connected with of slider (13) extends to sliding tray (12) positive mount (14), mount (14) positive middle part threaded connection locking bolt (15), the back that locking bolt (15) extend to mount (14) is rotated and is connected with fixed frame of arc (16).
4. A semiconductor surge protection device according to claim 3, wherein: the top and the bottom of mounting groove (11) of fuse installation piece (10) all are provided with the spring conducting strip of being connected with live wire (4), the internally mounted of mounting groove (11) has the fuse, the positive upper portion of mounting groove (11) still is provided with upper fixing frame (17), the intrados fixedly connected with rubber block of the fixed frame of arc (16), the back of upper fixing frame (17) is the cambered surface and also is provided with the rubber block.
5. A semiconductor surge protection device according to claim 1, wherein: the transient suppression diodes (2) are one of unidirectional transient suppression diodes and bidirectional suppression diodes, and the number of the transient suppression diodes is at least two.
6. A semiconductor surge protection device according to claim 1, wherein: the annular choke coils (3) are formed by winding a conducting wire on the surface of the electromagnet, and the number of the annular choke coils (3) is at least one group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273966.3U CN212210487U (en) | 2019-12-17 | 2019-12-17 | Semiconductor surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273966.3U CN212210487U (en) | 2019-12-17 | 2019-12-17 | Semiconductor surge protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212210487U true CN212210487U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922273966.3U Expired - Fee Related CN212210487U (en) | 2019-12-17 | 2019-12-17 | Semiconductor surge protection device |
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| Country | Link |
|---|---|
| CN (1) | CN212210487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530837A (en) * | 2022-03-09 | 2022-05-24 | 沈阳工程学院 | Electric power automation cubical switchboard |
-
2019
- 2019-12-17 CN CN201922273966.3U patent/CN212210487U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530837A (en) * | 2022-03-09 | 2022-05-24 | 沈阳工程学院 | Electric power automation cubical switchboard |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |