CN209592980U - A kind of compact Surge Protector - Google Patents
A kind of compact Surge Protector Download PDFInfo
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- CN209592980U CN209592980U CN201920290589.1U CN201920290589U CN209592980U CN 209592980 U CN209592980 U CN 209592980U CN 201920290589 U CN201920290589 U CN 201920290589U CN 209592980 U CN209592980 U CN 209592980U
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- pin
- box body
- cavity
- surge protector
- overvoltage protection
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Abstract
The utility model discloses a kind of compact Surge Protector; including shell, box body and overvoltage protection component; the overvoltage protection component is mounted in the cavity opened up on box body; jacket, which connects, is enclosed in overvoltage protection component inside the two on box body; the overvoltage protection component is provided with the first pin, second pin and third pin; first pin, second pin pass through tripping mechanism respectively and connect with the first working electrode, the second working electrode being connected on box body, and the third pin is pierced by box body as earthing pole.Compact Surge Protector structure described in the utility model is simple, compact, easy to loading and unloading, quick, occupies little space, and meets the needs of miniaturization, easy to maintain, high-efficient.
Description
Technical field
The utility model relates to Surge Protector technical field more particularly to a kind of compact Surge Protectors.
Background technique
Surge Protector is that the electronics dress of overvoltage protection is provided for various electronic equipments, instrument and meter, communication line
It sets.When generating peak current or overvoltage suddenly because of extraneous interference in electric loop or communication line, surge is protected
Shunting can be connected in shield device in a very short period of time, to avoid damage of the surge to other equipment in circuit.Existing surge is protected
Protecting device, structure is complicated, and occupancy volume is big, is unable to satisfy the demand of narrow installation space, is of limited application.
Utility model content
Technical problem to be solved in the utility model and the technical assignment of proposition are improved to the prior art, are provided
A kind of compact Surge Protector, structure is complicated that volume is big for the Surge Protector for solving in current technology, is unable to satisfy miniaturization
The problem of demand.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of compact Surge Protector, including shell, box body and overvoltage protection component, the overvoltage protection group
Part is mounted in the cavity opened up on box body, and jacket, which connects, is enclosed in overvoltage protection component inside the two on box body, institute
The overvoltage protection component stated is provided with the first pin, second pin and third pin, first pin, second pin point
Not Tong Guo tripping mechanism connect with the first working electrode, the second working electrode being connected on box body, the third pin is worn
Box body is as earthing pole out.Compact Surge Protector structure described in the utility model is simple, compact, easy to loading and unloading, quick,
It occupies little space, meets the needs of miniaturization, it is easy to maintain, high-efficient.
Further, the card seam extended from cavity oral area to cavity bottom has been opened up on the side wall of the cavity, it is excessively electric
Pressure protection component is packed into from the oral area of the cavity to bottom and that the first pin, second pin are respectively clamped into is corresponding
Card seam in, first pin, second pin stitch from card and are pierced by cavity and connect with tripping mechanism.Installation, easy to maintain, mistake
At voltage protection component in the cavity, to ensure overvoltage protection component and tripping mechanism, the first working electrode and the second work
Make the isolation between electrode, only the first pin, second pin are pierced by cavity, thus encountering especially big overload current admittance
After causing tripping mechanism to thread off, cavity effectively plays the effect of electrical isolation, improves safety in utilization.
Further, first pin, second pin are located at the two sides of overvoltage protection component, draw with first
The corresponding card seam of foot, second pin is then located at the two sides of cavity.Symmetrical structure, it is compact-sized, it is easy to loading and unloading.
Further, the tripping mechanism includes elastic slice, and one end of the elastic slice is by solder respectively with first
Pin, second pin are welded to connect, and the other end of elastic slice is then connect with the first working electrode, the second working electrode respectively.It is meeting
When passing through to especially big overload current, elastic slice and the solder fusing crossed between the first pin, second pin are to thread off, bullet
Piece and the first pin, second pin separate to form open circuit, reliably reach electrical isolation effect.
Further, the elastic slice is overall U-shaped, and the U-shaped bottom of elastic slice is connected at the detent portion being arranged on box body,
And the isolation board being provided between U-shaped elastic slice two-arm on box body, compact-sized, easy for installation, U-shaped elastic slice has good
Resilience, after threading off can effectively with the first pin, second pin disconnect realize electrical isolation.
Further, the detent portion is the slit between two gussets being oppositely arranged extended on box body.Knot
Structure is simple, easy to make, elastic slice it is easy to loading and unloading, it is easy to maintain.
Further, the overvoltage protection component connects group with voltage switch type element by voltage limiting type element
At, the voltage limiting type element is made of three varistors, after the series connection of two varistors with another varistor
Parallel connection, the both ends after parallel connection are respectively as the first pin, second pin, and the voltage switch type element is by a gas-discharge tube
It constitutes, one end of gas-discharge tube is connect with the public end of concatenated two varistors, and the other end of gas-discharge tube is then made
For third pin.Circuit is protected with single-phase symmetrical differential mode, common mode syntype, overvoltage protection can be reliably provided, be applicable in
In the second level of low-voltage power supply and distribution system and electrical equipment, three-level surge protection, through-current capacity is big, the response time is fast and without afterflow.
Compared with prior art, the utility model advantage is:
Compact Surge Protector structure described in the utility model is simple, compact, occupies little space, meets miniaturization
Demand, easy to maintain, high-efficient, through-current capacity is big, the response time is fast and without afterflow.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of compact Surge Protector；
Fig. 2 is the box body structure schematic diagram of compact Surge Protector；
Fig. 3 is the side structure schematic view of the cavity oral area side of box body；
Fig. 4 is the electrical block diagram of overvoltage protection component.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of compact Surge Protector disclosed in the utility model embodiment, structure is simple, compact, effectively reduces occupancy
Volume meets the needs of miniaturization, convenient for installation and maintenance simple.
As shown in Figures 1 to 4, a kind of compact Surge Protector mainly includes shell 1, box body 2 and overvoltage protection group
Part 3, the overvoltage protection component 3 are mounted in the cavity 21 opened up on box body 2, and the cover of shell 1 connects will be excessively electric on box body 2
Pressure protection component 3 is enclosed in the inside of the two, and the overvoltage protection component 3 is provided with the first pin 31, second pin 32
With third pin 33, in the present embodiment, overvoltage protection component 3 is connected by voltage limiting type element with voltage switch type element
Composition, the voltage limiting type element is made of three varistors, after two varistors series connection with another pressure-sensitive electricity
Resistance is in parallel, and the both ends after parallel connection are respectively as the first pin 31, second pin 32, and the voltage switch type element is by a gas
Discharge tube is constituted, and one end of gas-discharge tube connect with the public end of concatenated two varistors, gas-discharge tube it is another
End is then used as third pin 33, and first pin 31, second pin 32 by tripping mechanism and are connected on box body 2 respectively
The first working electrode 23, the second working electrode 24 connection, the third pin 33 be pierced by box body 2 be used as earthing pole 25.
In the present embodiment, it has been opened up on the side wall of two opposite sides of the cavity 21 on box body 2 from 21 oral area of cavity to cavity
The card seam 22 that 21 bottoms extend, the first pin 31, second pin 32 are located at the two sides of overvoltage protection component 3, overvoltage
Component 3 is protected to be packed into from the oral area of cavity 21 to bottom, the first pin 31, second pin 32 are respectively clamped into corresponding card seam
In 22 and along 22 sliding of card seam, the first pin 31, second pin 32 are pierced by cavity 21 from card seam 22 and connect with tripping mechanism,
The guiding notch that width is gradually reduced from 21 oral area of cavity to 21 bottom of cavity is provided at the oral area that card seam is located at cavity 21,
Enable overvoltage protection component 3 is more easy and convenient to be inserted into cavity 21.
Tripping mechanism mainly includes elastic slice 4, one end of the elastic slice 4 by solder respectively with the first pin 31, the
Two pins 32 are welded to connect, and the other end of elastic slice is then connect with the first working electrode 23, the second working electrode 24 respectively.In this reality
It applies in example, elastic slice 4 is overall U-shaped, and the U-shaped bottom of elastic slice 4 is connected at the detent portion 26 being arranged on box body 2, and on box body 2
Provided with the isolation board 27 between 4 two-arm of U-shaped elastic slice, i.e. isolation board 27 is located at the first pin 31 and the first working electrode 23
Between and isolation board 27 be located between second pin 32 and the second working electrode 24, occur tripping 27 energy of rear division board
Ensure good electrical isolation effect.Detent portion 26 is the slit between two gussets being oppositely arranged extended on box body 2,
And gusset is additionally provided with protrusion in slit side, more stable can fix 4 detent of U-shaped elastic slice, avoid the occurrence of the shape loosened
Condition.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of compact Surge Protector, which is characterized in that including shell (1), box body (2) and overvoltage protection component (3),
The overvoltage protection component (3) is mounted in the cavity (21) opened up on box body (2), and shell (1) cover connects on box body (2)
Overvoltage protection component (3) is enclosed in inside the two, the overvoltage protection component (3) be provided with the first pin (31),
Second pin (32) and third pin (33), first pin (31), second pin (32) respectively by tripping mechanism with
The first working electrode (23), the second working electrode (24) being connected on box body (2) connect, and the third pin (33) is pierced by
Box body (2) is used as earthing pole (25).
2. compact Surge Protector according to claim 1, which is characterized in that opened on the side wall of the cavity (21)
If the card seam (22) extended from cavity (21) oral area to cavity (21) bottom, overvoltage protection component (3) is from the cavity
(21) oral area is packed into bottom and makes the first pin (31), second pin (32) to be respectively clamped into corresponding card seam (22)
In, first pin (31), second pin (32) are pierced by cavity (21) from card seam (22) and connect with tripping mechanism.
3. compact Surge Protector according to claim 2, which is characterized in that first pin (31), second
Pin (32) is located at the two sides of overvoltage protection component (3), and card corresponding with the first pin (31), second pin (32) stitches
(22) two sides of cavity (21) are then located at.
4. compact Surge Protector according to claim 1, which is characterized in that the tripping mechanism includes elastic slice
(4), one end of the elastic slice (4) is welded to connect with the first pin (31), second pin (32) respectively by solder, elastic slice
The other end then connect respectively with the first working electrode (23), the second working electrode (24).
5. compact Surge Protector according to claim 4, which is characterized in that the elastic slice (4) is overall U-shaped,
The U-shaped bottom of elastic slice (4) is connected at the detent portion (26) being arranged on box body (2), and is provided on box body (2) and is located at U-shaped
Isolation board (27) between elastic slice (4) two-arm.
6. compact Surge Protector according to claim 5, which is characterized in that the detent portion (26) is box body
(2) slit between two gussets being oppositely arranged extended on.
7. compact Surge Protector according to any one of claims 1 to 6, which is characterized in that the overvoltage is protected
Protecting assembly (3), which is connected by voltage limiting type element with voltage switch type element, to be formed, and the voltage limiting type element is by three
Varistor composition, in parallel with another varistor after two varistor series connection, the both ends after parallel connection are respectively as first
Pin (31), second pin (32), the voltage switch type element are made of a gas-discharge tube, one end of gas-discharge tube
It is connect with the public end of concatenated two varistors, the other end of gas-discharge tube is then used as third pin (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290589.1U CN209592980U (en) | 2019-03-07 | 2019-03-07 | A kind of compact Surge Protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290589.1U CN209592980U (en) | 2019-03-07 | 2019-03-07 | A kind of compact Surge Protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592980U true CN209592980U (en) | 2019-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290589.1U Active CN209592980U (en) | 2019-03-07 | 2019-03-07 | A kind of compact Surge Protector |
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| Country | Link |
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| CN (1) | CN209592980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129540A1 (en) * | 2019-12-26 | 2021-07-01 | 厦门赛尔特电子有限公司 | Modular surge protector |
-
2019
- 2019-03-07 CN CN201920290589.1U patent/CN209592980U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129540A1 (en) * | 2019-12-26 | 2021-07-01 | 厦门赛尔特电子有限公司 | Modular surge protector |
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