CN210958130U - Protective shell of three-level HB half-bridge resonant circuit for marine power supply - Google Patents
Protective shell of three-level HB half-bridge resonant circuit for marine power supply Download PDFInfo
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- CN210958130U CN210958130U CN201922294334.5U CN201922294334U CN210958130U CN 210958130 U CN210958130 U CN 210958130U CN 201922294334 U CN201922294334 U CN 201922294334U CN 210958130 U CN210958130 U CN 210958130U
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Abstract
The utility model provides a three level HB half-bridge resonant circuit's protective housing for marine power. The protective shell of the three-level HB half-bridge resonant circuit for the marine power supply comprises a base; the protection shell mechanism is connected with the base and comprises an insulating upper cover, a fastening bolt, an insulating chassis, an external terminal, a sealing rubber ring, an internal terminal and a conductor, wherein the upper surface of the base is fixedly connected with the insulating chassis with an opening at the upper end, the insulating upper cover which is arranged in a matching way is arranged above the insulating chassis, the edge of the lower surface of the insulating upper cover is fixedly connected with the sealing rubber ring, and the insulating upper cover is connected with the insulating chassis through the fastening bolt; and a conductor is embedded in the insulating chassis. The utility model provides a three level HB half-bridge resonant circuit's for marine power protective housing has dampproofing effectual, uses the advantage that the reliability is high.
Description
Technical Field
The utility model relates to an electric field especially relates to a three level HB half-bridge resonant circuit's protective housing for marine power.
Background
The appearance of marine UPS power supply is special UPS for meeting the power guarantee requirement of offshore platforms, ships and related special environments. As the navigation system, the emergency lighting system, the lifesaving system, the IT equipment, the communication system and other equipment of the offshore platform and the ship have high requirements on the stability of the power supply system, the UPS for the ship with the high requirements integrates various technologies for improving the performance stability.
Three level HB half-bridge resonant circuit is the common circuit when marine power uses, and along with the development of science and technology, electrical equipment integrates more, and level HB half-bridge resonant circuit generally appears with the form of circuit board.
As is well known, a protective shell of a three-level HB half-bridge resonant circuit of a marine power supply needs to be connected with an external lead when in use, a wiring hole is generally reserved on the protective shell, and due to the fact that a ship runs on the water surface, the humidity in the ship is heavy, and a circuit in the protective shell is prone to being affected with damp and then being in failure.
Therefore, there is a need to provide a new protective case for a three-level HB half-bridge resonant circuit of a marine power supply to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a dampproofing effectual, the protective housing that is used for three level HB half-bridge resonant circuit of marine power that uses the reliability height.
The utility model provides a three level HB half-bridge resonant circuit's protective housing for marine power includes: a base; the protection shell mechanism is connected with the base and comprises an insulating upper cover, a fastening bolt, an insulating chassis, an external terminal, a sealing rubber ring, an internal terminal and a conductor, wherein the upper surface of the base is fixedly connected with the insulating chassis with an opening at the upper end, the insulating upper cover which is arranged in a matching way is arranged above the insulating chassis, the edge of the lower surface of the insulating upper cover is fixedly connected with the sealing rubber ring, and the insulating upper cover is connected with the insulating chassis through the fastening bolt; a conductor is embedded in the insulating chassis, one end of the conductor is connected with an external terminal column arranged on the outer surface of the insulating chassis, and the other end of the conductor is connected with an internal terminal column arranged on the inner surface of the insulating chassis; and the moisture removing mechanism is connected with the insulating upper cover.
Preferably, the protective housing mechanism further comprises a bump, the bump is integrally formed on the lower surface of the insulating upper cover, the bump is inserted into a clamping groove formed in the upper surface of the insulating base plate, and a sealing rubber sheet is also fixedly connected in the clamping groove.
Preferably, the protective housing mechanism further comprises side lugs, and the two opposite outer surfaces of the insulating upper cover are fixedly connected with the side lugs.
Preferably, remove damp mechanism and include drying plate, magnet and iron sheet, the upper end inner wall of insulating upper cover is inlayed and is had magnet, and is equipped with the drying plate in the insulating upper cover, and the iron sheet is met to the last fixed surface of drying plate coupling for the drying plate is installed in insulating upper cover through iron sheet and magnet inter attraction.
Preferably, the dehumidifying mechanism further comprises a positioning pin, the upper surface of the iron sheet is fixedly connected with the positioning pin, and the positioning pin is inserted into a positioning groove formed in the inner wall of the upper end of the insulating upper cover.
Preferably, the upper surface of the insulating upper cover is fixedly connected with a hollow heat dissipation plate, the heat dissipation plate is communicated with the insulating upper cover, and an air suction valve is installed on the side surface of the heat dissipation plate.
Preferably, a rubber pad is fixedly connected to the upper surface of the heat dissipation plate.
Compared with the prior art, the utility model provides a three level HB half-bridge resonant circuit's protective housing for marine power has following beneficial effect:
the utility model provides a three level HB half-bridge resonant circuit's protective housing for marine power, when using, the wiring hole need not be seted up to whole protective housing, reduce the probability in the moisture in the air enters into the protective housing, through gap between sealing rubber circle seal insulation upper cover and the insulating chassis, thereby further reduce the probability in the moisture in the air enters into the protective housing, reduce the probability that three level HB half-bridge resonant circuit board broke down owing to weing, improve the dampproofing effect and the reliability of use of device.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a protective case of a three-level HB half-bridge resonant circuit for a marine power supply according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partially enlarged view of B in fig. 1.
Reference numbers in the figures: 1. a protective case mechanism; 11. an insulating upper cover; 12. fastening a bolt; 13. a lateral ear; 14. an insulating chassis; 15. a bump; 16. an external terminal post; 17. sealing the rubber ring; 18. an inner post; 19. a conductor; 2. a base; 3. a heat dissipation plate; 4. a rubber pad; 5. an air extraction valve; 6. a moisture removal mechanism; 61. drying the plate; 62. a magnet; 63. iron sheets; 64. and a positioning pin.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a protective case of a three-level HB half-bridge resonant circuit for a marine power supply according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; fig. 3 is a partially enlarged view of B in fig. 1. A protective case that is used for three level HB half-bridge resonant circuit of marine power supply includes: a base 2; the protective shell mechanism 1 is connected with the base 2; and the moisture removing mechanism 6 is connected with the insulating upper cover 11.
In a specific implementation process, as shown in fig. 1 and 2, the protective housing mechanism 1 includes an insulating upper cover 11, a fastening bolt 12, an insulating chassis 14, an external terminal 16, a sealing rubber ring 17, an internal terminal 18 and a conductor 19, the insulating chassis 14 with an open upper end is fixedly connected to the upper surface of the base 2, the insulating upper cover 11 is disposed above the insulating chassis 14 in a matching manner, the sealing rubber ring 17 is fixedly connected to the edge of the lower surface of the insulating upper cover 11, and the insulating upper cover 11 is connected to the insulating chassis 14 through the fastening bolt 12; a conductor 19 is embedded in the insulating chassis 14, one end of the conductor 19 is connected with an external terminal 16 arranged on the outer surface of the insulating chassis 14, and the other end of the conductor 19 is connected with an internal terminal 18 arranged on the inner surface of the insulating chassis 14.
Need to explain: the device is when using, three level HB half-bridge resonance circuit board is placed in insulating chassis 14, three level HB half-bridge resonance circuit board passes through wire and interior terminal 18 electric connection, make insulating upper cover 11 and insulating chassis 14 cooperation through screwing fastening bolt 12, outside wire is connected with external terminal 16, conductor 19 is pre-buried in insulating chassis 14, it is sealed between conductor 19 and insulating chassis 14, thereby whole protective housing need not set up the wiring hole, reduce the probability that the moisture in the air enters into the protective housing, seal the gap between insulating upper cover 11 and the insulating chassis 14 through sealing rubber circle 17, thereby further reduce the probability that the moisture in the air enters into the protective housing, reduce the probability that three level HB half-bridge resonance circuit board broke down owing to weing, improve the dampproofing effect and the reliability of use of device.
Referring to fig. 2, the protective case mechanism 1 further includes a protrusion 15, the protrusion 15 is integrally formed on the lower surface of the insulating upper cover 11, the protrusion 15 is inserted into a slot formed on the upper surface of the insulating base plate 14, and a sealing rubber sheet is also fixedly connected in the slot.
Need to explain: the lug 15 plays a limiting role, the cooperation of the insulating upper cover 11 and the insulating chassis 14 is facilitated, the sealing rubber sheet in the clamping groove can seal a gap between the lug 15 and the clamping groove, the sealing range is increased, and therefore the sealing effect of the protective shell is improved.
Referring to fig. 1, the protective case mechanism 1 further includes side lugs 13, and the side lugs 13 are fixedly connected to two opposite outer surfaces of the insulating upper cover 11.
Need to explain: the side ear 13 is used for facilitating the operation, taking the insulating upper cover 11 and facilitating the separation of the insulating upper cover 11 and the insulating chassis 14 by an operator.
Referring to fig. 1 and 3, the dehumidifying mechanism 6 includes a drying plate 61, a magnet 62 and an iron sheet 63, the magnet 62 is embedded in the inner wall of the upper end of the insulating upper cover 11, the drying plate 61 is arranged in the insulating upper cover 11, the iron sheet 63 is coupled to the upper surface of the drying plate 61, and the drying plate 61 is installed in the insulating upper cover 11 by the mutual attraction of the iron sheet 63 and the magnet 62.
Need to explain: the drying plate 61 is formed by filling a drying agent in a grid mesh plate, and the drying agent can absorb moisture in the protective shell, so that the failure probability of the three-level HB half-bridge resonant circuit board due to moisture is further reduced.
It is also stated that: through pulling drying plate 61 for iron sheet 63 and magnet 62 separation, thereby can dismantle drying plate 61, be favorable to drying plate 61's change, reduce operating personnel's the work degree of difficulty.
Referring to fig. 3, the dehumidifying mechanism 6 further includes a positioning pin 64, the upper surface of the iron sheet 63 is fixedly connected with the positioning pin 64, and the positioning pin 64 is inserted into a positioning groove formed in the inner wall of the upper end of the insulating upper cover 11.
Need to explain: the positioning pins 64 serve as a positioning function, facilitating the installation of the drying plate 63.
Referring to fig. 1, a hollow heat dissipation plate 3 is fixedly connected to the upper surface of the insulating upper cover 11, the heat dissipation plate 3 and the insulating upper cover 11 are communicated with each other, and an air suction valve 5 is installed on the side surface of the heat dissipation plate 3.
Need to explain: the heat in the protective shell can enter into the heating panel 3, and the surface area of the heating panel 3 is large, so that heat dissipation is facilitated, heat dissipation to the protective shell is facilitated, and the probability that the three-level HB half-bridge resonant circuit board breaks down due to overhigh temperature is reduced.
It is also stated that: the bleeder valve 5 is the same with the bleeder valve on the current vacuum compression bag, can bleed to sealed protective housing inside through the hand pump for be in half vacuum state in the protective housing, reduce the oxygen content in the protective housing, the oxygen content is not enough, thereby reduce the probability that the circuit appears catching fire in the protective housing, improve the security that the device used.
Referring to fig. 1, a rubber pad 4 is fixedly connected to the upper surface of the heat dissipation plate 3.
Need to explain: the rubber pad 4 plays a role of buffering, and buffers the impact of an external object on the upper surface of the heat dissipation plate 3.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A protective case for a three level HB half-bridge resonant circuit for a marine power supply, comprising:
a base (2);
the protection shell mechanism (1) is connected with the base (2), the protection shell mechanism (1) comprises an insulating upper cover (11), fastening bolts (12), an insulating chassis (14), an external terminal (16), a sealing rubber ring (17), an internal terminal (18) and a conductor (19), the upper surface of the base (2) is fixedly connected with the insulating chassis (14) with an opening at the upper end, the insulating upper cover (11) which is arranged in a matched mode is arranged above the insulating chassis (14), the edge of the lower surface of the insulating upper cover (11) is fixedly connected with the sealing rubber ring (17), and the insulating upper cover (11) is connected with the insulating chassis (14) through the fastening bolts (12); a conductor (19) is embedded in the insulating chassis (14), one end of the conductor (19) is connected with an external terminal (16) arranged on the outer surface of the insulating chassis (14), and the other end of the conductor (19) is connected with an internal terminal (18) arranged on the inner surface of the insulating chassis (14);
and the moisture removing mechanism (6), wherein the moisture removing mechanism (6) is connected with the insulating upper cover (11).
2. The protective case of the three-level HB half-bridge resonant circuit for the marine power supply according to claim 1, wherein the protective case mechanism (1) further comprises a bump (15), the bump (15) is integrally formed on the lower surface of the insulating upper cover (11), the bump (15) is inserted into a slot formed on the upper surface of the insulating base plate (14), and a sealing rubber sheet is fixedly connected to the slot.
3. A protective case of a three level HB half bridge resonant circuit for a marine power supply according to claim 1, characterized in that the protective case mechanism (1) further comprises side lugs (13), the side lugs (13) being fixedly connected to both opposite outer surfaces of the insulating upper cover (11).
4. The protective case of the three-level HB half-bridge resonant circuit for the marine power supply according to claim 1, wherein the moisture removing mechanism (6) comprises a drying plate (61), a magnet (62) and an iron sheet (63), the magnet (62) is embedded in the inner wall of the upper end of the insulating upper cover (11), the drying plate (61) is arranged in the insulating upper cover (11), the iron sheet (63) is coupled and fixedly connected to the upper surface of the drying plate (61), and the drying plate (61) is installed in the insulating upper cover (11) through mutual attraction of the iron sheet (63) and the magnet (62).
5. The protective case of the three-level HB half-bridge resonant circuit for the marine power supply according to claim 4, wherein the moisture removing mechanism (6) further comprises a positioning pin (64), the positioning pin (64) is fixedly connected to the upper surface of the iron sheet (63), and the positioning pin (64) is inserted into a positioning groove formed in the inner wall of the upper end of the insulating upper cover (11).
6. The protective case of the three-level HB half-bridge resonant circuit for the marine power supply according to claim 1, wherein a hollow heat dissipation plate (3) is fixedly connected to an upper surface of the insulating upper cover (11), the heat dissipation plate (3) and the insulating upper cover (11) are communicated with each other, and an air suction valve (5) is installed on a side surface of the heat dissipation plate (3).
7. The protective case of a three-level HB half-bridge resonant circuit for a marine power supply according to claim 6, characterized in that a rubber pad (4) is fixedly connected to the upper surface of the heat dissipation plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294334.5U CN210958130U (en) | 2019-12-19 | 2019-12-19 | Protective shell of three-level HB half-bridge resonant circuit for marine power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294334.5U CN210958130U (en) | 2019-12-19 | 2019-12-19 | Protective shell of three-level HB half-bridge resonant circuit for marine power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210958130U true CN210958130U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294334.5U Active CN210958130U (en) | 2019-12-19 | 2019-12-19 | Protective shell of three-level HB half-bridge resonant circuit for marine power supply |
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| Country | Link |
|---|---|
| CN (1) | CN210958130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111815923A (en) * | 2020-07-14 | 2020-10-23 | 徐连军 | Mechanical alarm |
-
2019
- 2019-12-19 CN CN201922294334.5U patent/CN210958130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111815923A (en) * | 2020-07-14 | 2020-10-23 | 徐连军 | Mechanical alarm |
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