阅读说明：本技术 一种微波缝隙天线焊接结构及其焊接工艺 (Microwave slot antenna welding structure and welding process thereof ) 是由 李莲 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种微波缝隙天线焊接结构及其焊接工艺,包括连接腔体和焊锡组件以及整体焊接工艺,焊锡组件,其设置于所述连接腔体上表面；连接体盖板,其连接于所述连接腔体上表面；焊接头,其固定于所述连接体盖板下表面；边槽,其开设于所述焊接头外壁；底槽,其设置于所述焊接头下表面。该微波缝隙天线焊接结构及其焊接工艺,具有精度高、变形量小、多余物少、技术指标一致性高、性能可靠性增强的特点,设置的第一凹槽可负责对焊锡填料进行存放,使得连接腔体上表面的多处第一凹槽均可与其连接的焊接头进行焊接连接,焊接时,焊接组件置入与组件同形状的凹槽内,使其焊接组件平整、组件焊锡的接触面紧贴,无缝隙。(The invention discloses a microwave slot antenna welding structure and a welding process thereof, wherein the microwave slot antenna welding structure comprises a connecting cavity, a soldering tin assembly and an integral welding process, wherein the soldering tin assembly is arranged on the upper surface of the connecting cavity; the connecting body cover plate is connected to the upper surface of the connecting cavity; the welding head is fixed on the lower surface of the connecting body cover plate; the side groove is formed in the outer wall of the welding head; and the bottom groove is arranged on the lower surface of the welding head. The welding structure of the microwave slot antenna and the welding process thereof have the characteristics of high precision, small deformation, less excess, high technical index consistency and enhanced performance reliability, the arranged first groove can be used for storing the soldering tin filler, so that a plurality of first grooves on the upper surface of the connecting cavity can be in welding connection with a welding head connected with the first grooves, and during welding, a welding assembly is placed in the groove with the same shape as the assembly, so that the welding assembly is flat, the contact surface of soldering tin of the assembly is tightly attached, and no gap exists.)

1. A microwave slot antenna weld structure comprising:

a connecting cavity (1);

it is characterized by also comprising:

the soldering tin component (2) is arranged on the upper surface of the connecting cavity (1);

the connecting body cover plate (3) is connected to the upper surface of the connecting cavity (1);

a welding head (4) fixed on the lower surface of the connecting body cover plate (3);

the side groove (5) is arranged on the outer wall of the welding head (4);

and a bottom groove (6) which is arranged on the lower surface of the welding head (4).

2. A microwave slot antenna soldering structure according to claim 1, wherein the solder member (2) includes:

a first groove (201);

a second groove (202) disposed at one side of the first groove (201).

3. A microwave slot antenna welding structure according to claim 2, characterized in that the first grooves (201) are equidistantly distributed on the upper surface of the connecting cavity (1), and the first grooves (201) are symmetrically distributed about the vertical center line and the perpendicular line of the connecting cavity (1).

4. A microwave slot antenna welding structure according to claim 2, characterized in that the second groove (202) is gullet-shaped, and the inner opening size of the second groove (202) is smaller than the inner opening size of the first groove (201).

5. A welded structure for a microwave slot antenna according to claim 1, characterized in that the connecting body cover plate (3) forms a fixed structure with the connecting cavity (1) through the welding head (4), and the welding head (4) is connected with the connecting body cover plate (3) by welding.

6. A microwave slot antenna welding structure according to claim 2, characterized in that the side groove (5) is arc-shaped, and the perpendicular bisector of the side groove (5) is on the same horizontal line with the upper end of the second groove (202).

7. A microwave slot antenna welding structure according to claim 2, characterized in that the bottom slot (6) is gullet-shaped, and the vertical center line of the bottom slot (6) coincides with the vertical center line of the first groove (201).

8. A welding process for a welded structure of a microwave slot antenna according to any one of claims 1 to 7, wherein the welding process is as follows: the welding surface is a cavity and a cover plate, the surface is plated with silver, soldering paste is coated between the cavity and the cover plate, the cavity is provided with a tin flowing groove, the cavity and the cover plate are designed in a positioning mode, the cavity and the cover plate are fixed through a welding tool after being assembled, the cavity and the cover plate are guaranteed to be completely attached, the size is guaranteed, the welding furnace is started, and the time and the temperature are set.

Technical Field

The invention relates to the technical field of radar antennas, in particular to a microwave slot antenna welding structure and a welding process thereof.

Background

The radar is used for radiating and receiving electromagnetic waves and determining the detection direction of the electromagnetic waves, the radar needs to intensively radiate energy to the direction needing to be irradiated when transmitting, the radar antenna is one of important parts of signals transmitted by the radar, and the radar antenna needs to be welded and fixed in the assembling process.

At present, the connection mode of radar antennas on the market is single, so that the performance of the radar is difficult to be well guaranteed, and therefore a microwave slot antenna welding structure and a welding process thereof are provided.

Disclosure of Invention

The invention aims to provide a microwave slot antenna welding structure and a welding process thereof, and aims to solve the problem that the performance of a radar is difficult to be well guaranteed because the connection mode of the existing radar antenna on the market provided by the background technology is single.

In order to achieve the purpose, the invention provides the following technical scheme: a microwave slot antenna welding structure and a welding process thereof comprise:

connecting the cavity;

further comprising:

the soldering tin assembly is arranged on the upper surface of the connecting cavity;

the connecting body cover plate is connected to the upper surface of the connecting cavity;

the welding head is fixed on the lower surface of the connecting body cover plate;

the side groove is formed in the outer wall of the welding head;

and the bottom groove is arranged on the lower surface of the welding head.

Preferably, the solder assembly includes:

a first groove;

and the second groove is arranged on one side of the first groove.

Preferably, the first grooves are equidistantly distributed on the upper surface of the connecting cavity, and the first grooves are symmetrically distributed about the vertical center line and the perpendicular line of the connecting cavity.

Preferably, the second groove is in a tooth socket shape, and the size of an inner opening of the second groove is smaller than that of the inner opening of the first groove.

Preferably, the connecting body cover plate forms a fixed structure with the connecting cavity through the welding head, and the welding head is connected with the connecting body cover plate in a welding mode.

Preferably, the side groove is arc-shaped, and the perpendicular bisector of the side groove and the upper end of the second groove are on the same horizontal line.

Preferably, the bottom groove is in a tooth socket shape, and the vertical center line of the bottom groove coincides with the vertical center line of the first groove.

Preferably, the welding process is as follows: the welding surface is a cavity and a cover plate, the surface is plated with silver, soldering paste is coated between the cavity and the cover plate, the cavity is provided with a tin flowing groove, the cavity and the cover plate are designed in a positioning mode, the cavity and the cover plate are fixed through a welding tool after being assembled, the cavity and the cover plate are guaranteed to be completely attached, the size is guaranteed, the welding furnace is started, and the time and the temperature are set.

The invention provides a microwave slot antenna welding structure and a welding process thereof, which have the following beneficial effects: the antenna welding structure adopting the welding process has the characteristics of high precision, small deformation, less excess, high technical index consistency and enhanced performance reliability.

1. According to the invention, the arranged first grooves can be used for storing the solder filler, so that a plurality of first grooves on the upper surface of the connecting cavity can be connected with the welding head connected with the first grooves in a welding manner, and the upper end of the welding head is provided with the connecting body cover plate in a welding manner, so that the welding precision between the connecting body cover plate and the connecting body cavity is effectively improved, and the welding deformation is small.

2. According to the invention, the second groove can be contacted with the overflowing soldering tin material in the process of soldering and melting the soldering tin material in the first groove, and the first groove and the second groove are both in a tooth socket shape, so that the contact area between the first groove and a soldering joint can be effectively increased, the firmness after soldering is enhanced, and the reliability of antenna soldering is greatly ensured.

3. According to the invention, the arc-shaped side groove arranged on the outer wall of the welding head is matched with the overflowing soldering tin material and the second groove, so that the edge of the welding head can be firmly welded on the surface of the connecting cavity, the welding effect filled by radar is effectively improved, the bottom groove is also arranged on the lower surface of the welding head, and the bottom groove and the first groove are both in the shape of tooth grooves, so that the contact area between the bottom groove and the soldering tin material is greatly increased, the soldering tin material which is heated and melted can be conveniently filled in each notch, the welding firmness is further ensured, and the antenna is not easy to fall off in subsequent operation.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a welding structure and a welding process of a microwave slot antenna according to the present invention;

FIG. 2 is a schematic diagram of a microwave slot antenna welding structure and a connection cavity structure of a welding process thereof according to the present invention;

fig. 3 is an enlarged schematic diagram of a portion a in fig. 1 of a welding structure of a microwave slot antenna and a welding process thereof according to the present invention.

In the figure: 1. connecting the cavity; 2. soldering the tin assembly; 201. a first groove; 202. a second groove; 3. a connector cover plate; 4. welding a head; 5. a side groove; 6. a bottom groove.

Detailed Description

As shown in fig. 1-2, a welding structure of a microwave slot antenna and a welding process thereof includes: the connecting cavity 1; further comprising: a soldering component 2 arranged on the upper surface of the connecting cavity 1; the connecting body cover plate 3 is connected to the upper surface of the connecting cavity 1; a welding head 4 fixed to the lower surface of the connector cover plate 3; the connecting body cover plate 3 forms a fixed structure with the connecting cavity 1 through the welding head 4, the welding head 4 and the connecting body cover plate 3 are connected in a welding mode, and the arranged connecting body cover plate 3 can be butted with the soldering tin assembly 2 on the surface of the connecting cavity 1 through the welding head 4 at the lower end, so that the subsequent welding precision is improved, and the welding deformation is small;

as shown in fig. 3, a welding structure of a microwave slot antenna and a welding process thereof, a soldering tin assembly 2 includes: a first groove 201; the first grooves 201 are distributed on the upper surface of the connecting cavity 1 at equal intervals, the first grooves 201 are symmetrically distributed about the vertical center line and the perpendicular line of the connecting cavity 1, and the arranged first grooves 201 can be used for storing solder filler, so that a plurality of first grooves 201 on the upper surface of the connecting cavity 1 can be in welding connection with welding heads 4 connected with the first grooves; the second groove 202 is arranged on one side of the first groove 201, the second groove 202 is in a tooth socket shape, the size of an inner opening of the second groove 202 is smaller than that of the inner opening of the first groove 201, the second groove 202 is arranged on one side of the first groove 201, the second groove 202 can be in contact with overflowing soldering tin material in the process of welding and melting the soldering tin material in the first groove 201, the first groove 201 and the second groove 202 are in the tooth socket shape, the contact area between the first groove 201 and the welding head 4 can be effectively increased, the firmness after welding is enhanced, and the reliability of antenna welding is greatly guaranteed; the side groove 5 is arranged on the outer wall of the welding head 4; the edge groove 5 is arc-shaped, the perpendicular bisector of the edge groove 5 and the upper end of the second groove 202 are on the same horizontal line, the arc-shaped edge groove 5 arranged on the outer wall of the welding head 4 is matched with the overflowing solder material and the second groove 202, so that the edge of the welding head 4 can be firmly welded on the surface of the connecting cavity 1, and the welding effect filled by the radar is effectively improved; a bottom groove 6 provided on the lower surface of the bonding head 4; the kerve 6 is the tooth's socket form, and the vertical central line of kerve 6 coincides mutually with the vertical central line of first recess 201, because 4 lower surfaces of soldered connection still are equipped with kerve 6, but kerve 6 first recess 201 is the tooth's socket form for both improve greatly with the area of contact of soldering tin material, the soldering tin material that the heating of being convenient for melts fills up every notch, has further ensured the welding fastness, makes the follow-up operation of antenna difficult drop, and welding process is as follows: the welding surface is a cavity and a cover plate, the surface is plated with silver, soldering paste is coated between the cavity and the cover plate, the cavity is provided with a tin flowing groove, the cavity and the cover plate are designed in a positioning mode, the cavity and the cover plate are fixed through a welding tool after being assembled, the cavity and the cover plate are guaranteed to be completely attached, the size is guaranteed, the welding furnace is started, and the time and the temperature are set.

To sum up, the welding structure and the welding process of the microwave slot antenna, when in use, the first groove 201 arranged at first can be responsible for storing the solder filler, the connecting body cover plate 3 arranged can be butted with the solder component 2 on the surface of the connecting cavity 1 through the welding head 4 at the lower end, then the first grooves 201 at a plurality of positions on the upper surface of the connecting cavity 1 can be heated, so that the solder in the first groove is melted to weld the welding head 4, the second grooves 202 can be contacted with the overflowing solder in the process of welding and melting the solder in the first grooves 201, and the first grooves 201 and the second grooves 202 are both in a tooth socket shape, so that the contact area between the first grooves 201 and the welding head 4 can be effectively increased, thereby the firmness after welding is enhanced, the reliability of the antenna welding is greatly ensured, meanwhile, the arc-shaped side grooves 5 arranged on the outer wall of the welding head 4 are matched with the overflowing solder and the second grooves 202, the edge of the welding head 4 can be firmly welded on the surface of the connecting cavity 1, so that the welding effect filled by the radar is effectively improved, and finally, the bottom groove 6 is formed in the lower surface of the welding head 4, and the first grooves 201 of the bottom groove 6 can be both in the shape of tooth grooves, so that the contact area between the bottom groove and the soldering tin material is greatly increased, the heated and melted soldering tin material can be conveniently filled in each notch, the welding firmness is further ensured, and the antenna is not easy to fall off in the subsequent operation;

the welding process comprises the following steps: the welding surface is a cavity and a cover plate, the surface is plated with silver, soldering paste is coated between the cavity and the cover plate, the cavity is provided with a tin flowing groove, the cavity and the cover plate are designed in a positioning mode, the cavity and the cover plate are fixed through a welding tool after being assembled, the cavity and the cover plate are guaranteed to be completely attached, the size is guaranteed, the welding furnace is started, and the time and the temperature are set.