CN211428502U

CN211428502U - N-type comprehensive protector

Info

Publication number: CN211428502U
Application number: CN201922353668.5U
Authority: CN
Inventors: 刘萍; 朱玉勇; 唐亚红
Original assignee: Zhenjiang Putian Electronic Co ltd
Current assignee: Zhenjiang Putian Electronic Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-04
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an N-shaped comprehensive protector which is used in a conversion joint of a coaxial connector to connect a male head and a female head, wherein, public head and female head are including coaxial inner conductor and the outer conductor that sets up respectively, be provided with insulating medium between inner conductor and the outer conductor respectively, the interval has the cavity of setting for the distance between public head and the female head, N type comprehensive protection ware includes N type direct current blocker, discharge tube and ground card, N type direct current blocker includes the electric capacity of a plurality of setting in the cavity, an electrode and public head of each electric capacity are connected and another electrode is connected with female head, discharge tube sets up on the inner conductor of female head, the one end of discharge tube is provided with the adjusting screw who runs through female head outer conductor and the other end of discharge tube is provided with the ground card, the periphery of cavity is provided with the nylon cavity, public head is connected with the nylon cavity through two at least first screws, female head is connected with the nylon cavity through two at least second screws. The whole signal transmission line is protected doubly.

Description

N-type comprehensive protector

Technical Field

The utility model relates to a protector is synthesized to N type.

Background

The N-type direct current blocker of the existing design is used for connecting a male connector and a female connector in a conversion joint of a coaxial connector, but the N-type direct current blocker is simple in structure and limited in function, only can play a role of isolating direct current, and cannot play a role of double protection on a whole signal transmission line.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a protector is synthesized to N type, on the basis of N type direct current blocker, in addition one discharge tube forms a discharge tube arrester, both can play an isolation direct current's effect, can restrain direct current's harm again, can fall the timely release of induced voltage simultaneously, plays duplicate protection to whole signal transmission line.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a protector is synthesized to N type, is used in connecting public head and female head in coaxial connector's crossover sub, wherein, public head and female head include inner conductor and the outer conductor of coaxial setting respectively, be provided with insulating medium between inner conductor and the outer conductor respectively, there is the cavity of setting for the distance in the interval between public head and the female head, protector is synthesized to N type includes N type direct current blocker, discharge tube and ground card, N type direct current blocker includes a plurality of setting up the electric capacity in the cavity, and an electrode and the public head of each electric capacity are connected and another electrode is connected with the female head, discharge tube sets up on the inner conductor of female head, discharge tube's one end is provided with the adjusting screw who runs through female head outer conductor and the other end of discharge tube is provided with the ground card, the periphery of cavity is provided with the nylon cavity, public head is connected with the nylon cavity through two at least first screws, the female head is connected with the nylon cavity through at least two second screws.

Preferably, the grounding card is arranged on the outer shell of the female head through a pan head screw.

Preferably, an elastic pad and a flat gasket are arranged between the pan head screw and the grounding card.

Preferably, the discharge tube is a 150V discharge tube, the male head is an N-type standard male head, and the female head is an N-type standard female head.

Preferably, the capacitors comprise a central capacitor and at least two auxiliary capacitors, the central capacitor is respectively coaxial with the inner conductors of the male head and the female head, one electrode of the central capacitor is connected with the inner conductor of the male head, and the other electrode of the central capacitor is connected with the inner conductor of the female head; one electrode of each auxiliary capacitor is connected with the outer conductor of the male connector and the other electrode of each auxiliary capacitor is connected with the outer conductor of the female connector.

Preferably, the first screws and the second screws are uniformly distributed on the circumference of the outer conductor, and each first screw and the corresponding second screw are coaxially arranged.

Preferably, the 150V discharge tube is vertically connected to the inner conductor of the female terminal.

The utility model has the advantages that:

the utility model discloses on the basis of N type direct current block device, in addition a discharge tube forms a discharge tube arrester, both can play an isolation direct current's effect, and the discharge tube of adding simultaneously can be timely spreads into the earth with induced voltage through the connecting wire into, both can restrain direct current's harm, can fall the timely release of induced voltage simultaneously, plays duplicate protection, moreover to whole signal transmission line, the utility model discloses still have better electrical property:

1. characteristic impedance: 50 Ω;

2. frequency range: 50 MHz-2.5 GHz;

VSWR (standing wave ratio): < 1.2;

4. inserting loss: <0.25 dB.

Drawings

Fig. 1 is a schematic structural diagram of an N-type integrated protector of the present invention;

the reference numerals of the drawings have the following meanings:

1: an adjusting screw; 2: a 150V discharge tube; 3: a ground card; 4: pan head screws; 5: a spring pad; 6: a flat gasket; 7: an N-type standard male head; 8: an N-type standard female head; 9: a first screw; 10: a second screw; 11: an inner conductor; 12: an outer conductor; 13: an insulating medium; 14: a capacitor; 15: a nylon cavity.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

As shown in fig. 1, an N-type integrated protector is used in a crossover sub of a coaxial connector to connect a male connector and a female connector, wherein the male connector and the female connector respectively include an inner conductor 11 and an outer conductor 12 which are coaxially arranged, and an insulating medium 13 is preferably arranged between the inner conductor 11 and the outer conductor 12, in the utility model, the male connector is an N-type standard male connector 7, the female connector is an N-type standard female connector 8, and the insulating medium 13 can fill a cavity between the inner conductor 11 and the outer conductor 12, or as shown in fig. 1, the insulating medium 13 only fills a part of the cavity between the inner conductor 11 and the outer conductor 12, thereby playing an insulating role between the inner conductor 11 and the outer conductor 12.

In fig. 1, the left side part is a male head, the right side part is a female head, the male head and the female head are coaxially arranged, a cavity with a set distance is arranged between the corresponding end parts of the male head and the female head, the male head and the female head are not directly electrically connected, the N-type integrated protector is provided with a discharge tube on the basis of the N-type direct current blocker, and the discharge tube arrester comprises the N-type direct current blocker, the discharge tube and a grounding card 3, which are described in detail below.

The N-type direct current blocker comprises a plurality of capacitors 14 arranged in the cavity, wherein one electrode of each capacitor 14 is connected with the male connector, and the other electrode of each capacitor 14 is connected with the female connector. The discharge tube is arranged on the inner conductor 11 of the female head, preferably, the discharge tube is a 150V discharge tube 2, and the 150V discharge tube 2 is vertically connected with the inner conductor 11 of the female head. Taking the direction of fig. 1 as an example, the lower end of the discharge tube is provided with an adjusting screw 1 penetrating through the female outer conductor 12, the position of the discharge tube can be adjusted by the adjusting screw 1, and the upper end of the discharge tube is provided with a grounding card 3.

Preferably, the grounding card 3 is arranged on the outer shell of the female head through a pan head screw 4, and an elastic pad 5 and a flat gasket 6 are arranged between the pan head screw 4 and the grounding card 3. The periphery of cavity is provided with nylon cavity 15, and nylon cavity 9 is as the insulator, public head is connected with nylon cavity 15 through two at least first screws 9, female head is connected with nylon cavity 15 through two at least second screws 10. For example, the number of the first screws 9 and the number of the second screws 10 are 4 which are uniformly distributed. The shell of the male head and the shell of the female head are cylindrical, the first screws 9 and the second screws 10 are uniformly distributed on the circumference of the outer conductor 12, and each first screw 9 and the corresponding second screw 10 are coaxially arranged.

Preferably, the capacitor 14 comprises a central capacitor 14 and at least two auxiliary capacitors 14, the central capacitor 14 is coaxial with the inner conductors 11 of the male and female terminals, respectively, one electrode of the central capacitor 14 is connected with the inner conductor 11 of the male terminal, and the other electrode of the central capacitor 14 is connected with the inner conductor 11 of the female terminal; one electrode of each auxiliary capacitor 14 is connected with the outer conductor 12 of the male connector, the other electrode of each auxiliary capacitor 14 is connected with the outer conductor 12 of the female connector, a plurality of auxiliary capacitors are uniformly distributed on the periphery of the central capacitor, and the number of the auxiliary capacitors 8 can be set to be 3-6. The inner conductor and the outer conductor are connected through capacitors respectively, and the outer conductor is connected through an insulator (a nylon cavity) to play a role in isolating direct current.

1. characteristic impedance: 50 Ω;

2. frequency range: 50 MHz-2.5 GHz;

VSWR (standing wave ratio): < 1.2;

4. inserting loss: <0.25 dB.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The N-type comprehensive protector is used for connecting a male head and a female head in an adapter of a coaxial connector, wherein the male head and the female head respectively comprise an inner conductor (11) and an outer conductor (12) which are coaxially arranged, an insulating medium (13) is respectively arranged between the inner conductor (11) and the outer conductor (12), and a cavity with a set distance is arranged between the male head and the female head at intervals, and is characterized in that the N-type comprehensive protector comprises an N-type direct current blocker, a discharge tube and a grounding card (3), wherein the N-type direct current blocker comprises a plurality of capacitors (14) arranged in the cavity, one electrode of each capacitor (14) is connected with the male head and the other electrode of each capacitor is connected with the female head, the discharge tube is arranged on the inner conductor (11) of the female head, one end of the discharge tube is provided with an adjusting screw (1) penetrating through the outer conductor (12) of the female head, and the other end of the discharge tube is provided with the grounding card (3), the periphery of cavity is provided with nylon cavity (15), public head is connected with nylon cavity (15) through two at least first screws (9), female head is connected with nylon cavity (15) through two at least second screws (10).

2. An N-type protector according to claim 1, characterized in that the grounding clip (3) is arranged on the outer shell of the female head by means of a pan head screw (4).

3. An N-type protector according to claim 2, characterized in that a spring washer (5) and a flat washer (6) are arranged between the pan head screw (4) and the grounding clip (3).

4. An N-type protector according to claim 1, characterized by that, the discharge tube is a 150V discharge tube (2), the male head is a standard male head (7) of N-type, and the female head is a standard female head (8) of N-type.

5. An N-type protector according to claim 2, characterized in that said capacitor (14) comprises a central capacitor (14) and at least two auxiliary capacitors (14), said central capacitor (14) being coaxial with the internal conductors (11) of the male and female terminals, respectively, one electrode of said central capacitor (14) being connected to the internal conductor (11) of the male terminal and the other electrode of said central capacitor (14) being connected to the internal conductor (11) of the female terminal; one electrode of each auxiliary capacitor (14) is connected to the outer conductor (12) of the male terminal and the other electrode of each auxiliary capacitor (14) is connected to the outer conductor (12) of the female terminal.

6. An N-type protector according to claim 2, characterized in that the first and second screws (9, 10) are uniformly distributed on the circumference of the outer conductor (12), and each first screw (9) and the corresponding second screw (10) are coaxially arranged.

7. An N-type protector according to claim 4, characterized in that the 150V discharge tube (2) is connected perpendicularly to the female inner conductor (11).