CN210491531U - High strength electronic rectifier circuit board with prevent into water and improve structure - Google Patents
High strength electronic rectifier circuit board with prevent into water and improve structure Download PDFInfo
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- CN210491531U CN210491531U CN201921412555.1U CN201921412555U CN210491531U CN 210491531 U CN210491531 U CN 210491531U CN 201921412555 U CN201921412555 U CN 201921412555U CN 210491531 U CN210491531 U CN 210491531U
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Abstract
The utility model relates to the technical field of circuit boards, in particular to a high-strength electronic rectifier circuit board with an improved structure for preventing water from entering, which comprises a circuit board and a protective shell, wherein the protective shell is a hollow square plate, the circuit board is arranged in the inner cavity of the protective shell, the edge of the circuit board is fixedly embedded into the side wall of the protective shell, an interception device and a pressure device are arranged in the side wall of the protective shell, a control groove is arranged on the inner wall of the protective shell, the pressure device is arranged in the control groove, a first thick pipe cavity, a second thin pipe cavity, a second thick pipe cavity and a first thin pipe cavity are arranged in the side wall of the protective shell at one side of the control groove, one end of the second thick pipe cavity is connected with the inner wall of the control groove, the other end of the second thick pipe cavity is connected with the outer plate surface of the protective shell, the, the service life of the whole circuit board is prolonged, and the stable work of the circuit board is ensured.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a high strength electronic rectifier circuit board with prevent into water and improve structure.
Background
The high-strength electronic rectifier circuit board in the prior art improves the water-inlet-proof capacity thereof, can effectively prolong the service life of the circuit board, ensures the working safety of the circuit board and further improves the market competitiveness of the circuit board.
If the circuit board is provided with the protective cover, the protective cover has the effect of isolating water, and meanwhile, the problem can be solved without influencing the heat dissipation work of the circuit board, so that the circuit board of the high-strength electronic rectifier with the improved structure for preventing water from entering is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high strength electronic rectifier circuit board with prevent into water and improve structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-strength electronic rectifier circuit board with an improved structure for preventing water inflow comprises a circuit board and a protective shell, wherein the protective shell is a hollow square plate, the circuit board is arranged in an inner cavity of the protective shell, the edge of the circuit board is fixedly embedded into the side wall of the shell of the protective shell, an interception device and a pressure device are arranged in the side wall of the protective shell, a control groove is formed in the inner wall of the protective shell, the pressure device is arranged in the control groove, a first thick pipe cavity, a second thin pipe cavity, a second thick pipe cavity and a first thin pipe cavity are formed in the side wall of the protective shell on one side of the control groove, one end of the second thick pipe cavity is connected with the inner wall of the control groove, the other end of the second thick pipe cavity is connected with the outer plate surface of the protective shell, one thin pipe cavity is arranged on one side of the second thick pipe cavity, one end of the first thin pipe cavity is connected with, thick lumen one end and control tank intercommunication, one side intercommunication of thick lumen one have thin lumen two, the inner chamber intercommunication of two one ends in thin lumen and protective housing, intercepting device sets up in thick lumen two, pressure device includes bellows, spring one, traveller and interception section of thick bamboo one, be provided with spring one in the inner chamber of bellows, the one end and the control tank recess bottom surface fixed connection of bellows, the other end fixedly connected with traveller of bellows, the one end contact of keeping away from the bellows on the traveller has another interception section of thick bamboo one, the inner wall fixed connection of the control tank of interception section of thick bamboo one, intercepting device includes ball, sealing ring, spring two and interception section of thick bamboo two, the one end contact of ball has the sealing ring, and the other end contact of ball has spring two, and the one end contact of keeping away from the ball on the spring two has an interception section of thick bamboo two.
Preferably, the sealing ring and the second intercepting cylinder are fixedly connected with the inner wall of the second thick pipe cavity, an inner arc-shaped groove is formed in the middle of the bottom surface of one end of the sealing ring, the inner arc-shaped groove of the sealing ring is communicated with the inner cavity of the sealing ring, and the sealing ball is matched with the inner arc-shaped groove of the sealing ring.
Preferably, one end of the first spring abuts against the bottom surface of the groove of the control groove, the other end of the first spring abuts against the sliding column, the sliding column is movably sleeved in the control groove, and one end of the thick pipe cavity is communicated with the inner cavity of the corrugated pipe.
Preferably, one end of the first thick pipe cavity is connected with the side wall of the second thick pipe cavity, the other end of the first thick pipe cavity is connected with the bottom surface of the groove of the control groove, and one end of the second thin pipe cavity is connected with the inner wall of the first thick pipe cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model realizes the automatic heat dissipation and circulation of air flow in the protective shell and the waterproof effect of the protective shell, ensures the safety of the circuit board, prolongs the service life of the whole circuit board and ensures the stable work of the circuit board;
2. the utility model discloses a set up pressure device in the protective housing, the in-process of pressure device repeated deformation follows for the air current in the protective housing and provides power, has very much the practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the pressure device in fig. 1.
In the figure: the device comprises a circuit board 1, a protective shell 2, a thick tube cavity I3, an interception device 4, a pressure device 5, a control groove 6, a thick tube cavity II 7, a thin tube cavity I8, a thin tube cavity II 9, a corrugated tube 10, a spring I11, a sliding column 12, an interception cylinder I13, a sealing ball 14, a sealing ring 15, a spring II 16 and an interception cylinder II 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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.
Please refer to fig. 1 to 2, the present invention provides a technical solution: a high-strength electronic rectifier circuit board with a water-inflow-preventing improved structure comprises a circuit board 1 and a protective shell 2, wherein the protective shell 2 is a hollow square plate, the circuit board 1 is arranged in an inner cavity of the protective shell 2, the edge of the circuit board 1 is fixedly embedded into the side wall of a shell of the protective shell 2, an interception device 4 and a pressure device 5 are arranged in the side wall of the protective shell 2, a control groove 6 is formed in the inner wall of the protective shell 2, the pressure device 5 is arranged in the control groove 6, a first thick pipe cavity 3, a second thin pipe cavity 9, a second thick pipe cavity 7 and a first thin pipe cavity 8 are formed in the side wall of the protective shell 2 on one side of the control groove 6, one end of the second thick pipe cavity 7 is connected with the inner wall of the control groove 6, the other end of the second thick pipe cavity 7 is connected with the outer plate surface of the protective shell 2, one side of the second thick pipe cavity 7 is provided with the first thin, the other side of the thick tube cavity II 7 is communicated with a thick tube cavity I3, one end of the thick tube cavity I3 is communicated with the control groove 6, one side of the thick tube cavity I3 is communicated with a thin tube cavity II 9, one end of the thin tube cavity II 9 is communicated with the inner cavity of the protective shell 2, the intercepting device 4 is arranged in the thick tube cavity II 7, the pressure device 5 comprises a corrugated tube 10, a spring I11, a sliding column 12 and an intercepting cylinder I13, the spring I11 is arranged in the inner cavity of the corrugated tube 10, one end of the corrugated tube 10 is fixedly connected with the bottom surface of the groove of the control groove 6, the other end of the corrugated tube 10 is fixedly connected with the sliding column 12, one end of the sliding column 12, far away from the corrugated tube 10, is contacted with the other intercepting cylinder I13, the inner wall of the control groove 6 of the intercepting cylinder I13 is fixedly connected, the intercepting device 4 comprises a sealing ball 14, a sealing ring 15, a spring II 16, and a second catch barrel 17 is contacted with one end of the second spring 16 far away from the sealing ball 14.
Sealing ring 15 and two 17 of interception section of thick bamboo all with the inner wall fixed connection of thick lumen two 7, cambered surface inner groovy has been seted up at the one end bottom surface middle part of sealing ring 15, and the cambered surface inner groovy of sealing ring 15 and the barrel inner chamber intercommunication of sealing ring 15, the cambered surface inner groovy of sealed ball 14 and sealing ring 15 agrees with.
One end of a first spring 11 abuts against the bottom surface of the groove of the control groove 6, the other end of the first spring 11 abuts against a sliding column 12, the sliding column 12 is movably sleeved in the control groove 6, and one end of a first thick pipe cavity 3 is communicated with the inner cavity of the corrugated pipe 10.
One end and the two 7 lateral walls in thick lumen 3 are connected, the other end and the 6 recess bottom surfaces in control groove of thick lumen 3 are connected, the one end and the one 3 interior wall connections in thick lumen of tubule chamber two 9, figure 2 is referenced to specific position relation, the open-top end and the one 3 intercommunication in thick lumen of the control groove 6 shown in figure 2, the bottom open end and the 2 inner chambers of protective housing intercommunication of control groove 6, the pipe diameter of tubule chamber one 8 is less than the pipe diameter of thick lumen two 7 far away, tubule chamber one 8 is the same with tubule chamber two 9 pipe diameters, thick lumen one 3 is the same with thick lumen two 7 pipe diameters, the utility model discloses waterproof mainly is the water that the face direction of protective housing 2 impacted, and the lateral wall of protective housing 2 is very thin, receives the influence neglected of water.
The working principle is as follows: the heat generated in the working of the circuit board 1 is gathered in the inner cavity of the protective shell 2, the gas in the protective shell 2 expands, the gas pressure rises, the gas pressure acts on the sliding column 12, referring to fig. 2, the sliding column 12 overcomes the pushing of the spring I11, the position of the sliding column 12 rises, the gas flow passes through the thin tube cavity I8 and the thick tube cavity II 7, the pipe diameter of the thin tube cavity I8 is too small compared with the pipe diameter of the thick tube cavity II 7, namely the gas flow can be ignored when passing through the thin tube cavity I8 and the thin tube cavity II 9, the gas in the corrugated tube 10 flows into the thick tube cavity II 7 through the thick tube cavity I3, then the sliding column 12 moves to the bottom surface position of the groove of the control groove 6, the opening end of the thick tube cavity II 7 is exposed, the instant gas flow mainly gushes out to the outside through the thick tube cavity II 7, specifically, the sealing ball 14 is jacked by the gas flow, the sealing ball 14, gaps are formed between the first narrow pipe cavity 8 and the second narrow pipe cavity 8, hot air flow is exhausted through the intercepting device 4, air pressure in the protective shell 2 is reduced, the second spring 16 pushes the sealing ball 14, the sealing ball 14 is in contact with the sealing ring 15 to form sealing, the first spring 11 pushes the sliding column 12, the sliding column 12 restores to the initial position, air flow in the inner cavity of the protective shell 2 flows into the first thick pipe cavity 3 through the second narrow pipe cavity 9 and then enters the inner cavity of the corrugated pipe 10, outside air flow is injected into the inner cavity of the protective shell 2 through the first narrow pipe cavity 8, air flow circulation is completed in the inner cavity of the protective shell 2, heat dissipation is achieved, one end of the first narrow pipe cavity 8, which is communicated with the outside, is arranged on the side wall of the plate body of the protective shell 2, and is hardly influenced by water drops which fall on the plate surface.
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 (4)
1. The utility model provides a high strength electronic rectifier circuit board with prevent into water and improve structure, includes circuit board (1) and protective housing (2), its characterized in that: the protective housing (2) is a hollow square plate, a circuit board (1) is arranged in an inner cavity of the protective housing (2), the edge of the circuit board (1) is fixedly embedded into the side wall of the protective housing (2), an intercepting device (4) and a pressure device (5) are arranged in the side wall of the protective housing (2), a control groove (6) is formed in the inner wall of the protective housing (2), the pressure device (5) is arranged in the control groove (6), a first thick pipe cavity (3), a second thin pipe cavity (9), a second thick pipe cavity (7) and a first thin pipe cavity (8) are arranged in the side wall of the protective housing (2) on one side of the control groove (6), one end of the second thick pipe cavity (7) is connected with the inner wall of the control groove (6), the other end of the second thick pipe cavity (7) is connected with the outer plate surface of the protective housing (2), a first thin pipe cavity (8) is arranged on one, one end of a thin tube cavity I (8) is connected with the inner wall of the protective shell (2), the other end of the thin tube cavity I (8) is connected with the outer side wall of the plate body of the protective shell (2), the other end of a thick tube cavity II (7) is communicated with a thick tube cavity I (3), one end of the thick tube cavity I (3) is communicated with the control groove (6), one side of the thick tube cavity I (3) is communicated with a thin tube cavity II (9), one end of the thin tube cavity II (9) is communicated with the inner cavity of the protective shell (2), the intercepting device (4) is arranged in the thick tube cavity II (7), the pressure device (5) comprises a corrugated tube (10), a spring I (11), a sliding column (12) and an intercepting cylinder I (13), a spring I (11) is arranged in the inner cavity of the corrugated tube (10), one end of the corrugated tube (10) is fixedly connected with the groove bottom surface of the control groove (6), the other, keep away from the one end contact of bellows (10) on traveller (12) and have another interception section of thick bamboo (13), the inner wall fixed connection of control groove (6) of an interception section of thick bamboo (13), intercepting device (4) are including ball sealer (14), sealing ring (15), spring two (16) and interception section of thick bamboo two (17), the one end contact of ball sealer (14) has sealing ring (15), and the other end contact of ball sealer (14) has spring two (16), and the one end contact of keeping away from ball sealer (14) on spring two (16) has interception section of thick bamboo two (17).
2. The high-strength electronic rectifier circuit board with the improved structure of preventing water inflow of claim 1, wherein: sealing ring (15) and two (17) of interception section of thick bamboo all with the inner wall fixed connection of thick lumen two (7), the cambered surface inner groovy has been seted up at the one end bottom surface middle part of sealing ring (15), and the barrel inner chamber intercommunication of the cambered surface inner groovy of sealing ring (15) and sealing ring (15), the cambered surface inner groovy of sealed ball (14) and sealing ring (15) agrees with.
3. The high-strength electronic rectifier circuit board with the improved structure of preventing water inflow of claim 1, wherein: one end of the first spring (11) abuts against the bottom surface of the groove of the control groove (6), the other end of the first spring (11) abuts against the sliding column (12), the sliding column (12) is movably sleeved in the control groove (6), and one end of the first thick pipe cavity (3) is communicated with the inner cavity of the corrugated pipe (10).
4. The high-strength electronic rectifier circuit board with the improved structure of preventing water inflow of claim 1, wherein: one end of the first thick pipe cavity (3) is connected with the side wall of the second thick pipe cavity (7), the other end of the first thick pipe cavity (3) is connected with the bottom surface of the groove of the control groove (6), and one end of the second thin pipe cavity (9) is connected with the inner wall of the first thick pipe cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412555.1U CN210491531U (en) | 2019-08-28 | 2019-08-28 | High strength electronic rectifier circuit board with prevent into water and improve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412555.1U CN210491531U (en) | 2019-08-28 | 2019-08-28 | High strength electronic rectifier circuit board with prevent into water and improve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210491531U true CN210491531U (en) | 2020-05-08 |
Family
ID=70537911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921412555.1U Active CN210491531U (en) | 2019-08-28 | 2019-08-28 | High strength electronic rectifier circuit board with prevent into water and improve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210491531U (en) |
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2019
- 2019-08-28 CN CN201921412555.1U patent/CN210491531U/en active Active
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