CN217240361U - Underwater non-contact type high-power supply change-over switch - Google Patents

Abstract

The invention discloses an underwater non-contact high-power supply change-over switch, which comprises a cylinder, an end cover, a circuit board isolating column, a circuit board, a first watertight socket and a second watertight socket, wherein the circuit board is provided with a magnetic lock element, a magnetic induction element, a power supply conversion and charging circuit, a switch driving and protecting circuit, a pre-charging circuit, a time delay circuit and a high-voltage main switch circuit, the circuit board seals circuit elements through the cylinder and the end cover, the magnetic induction element approaches a corresponding magnetic induction area by utilizing a self-contained magnet, the magnetic induction element receives a magnetic signal to realize non-contact switch control, the magnetic lock element locks the current magnetic signal, the switch on-off state can be continuously kept even if the magnet leaves the magnetic induction position, the pre-charging circuit immediately works when being initially started, devices such as a high-capacity capacitor of a battery compartment power supply loop and the like are charged, and the time delay circuit enables the high-voltage main switch circuit to be opened in a delayed manner, avoid the impact of the big current of return circuit, realize the soft start of switch.

Description

Underwater non-contact type high-power supply change-over switch

Technical Field

The invention relates to the technical field of switch devices, in particular to an underwater non-contact high-power supply change-over switch.

Background

With the development of ocean engineering technology, the requirement on the intelligent degree of underwater equipment directly powered by a battery is higher and higher. Because the underwater equipment can not provide energy sources such as a battery, and the like, when the underwater equipment is used, the switch is required to control the power supply to the system. On one hand, underwater switches are required to be conveniently contacted by people so as to complete switch control; on the other hand, the circuit part of the underwater switch, especially for supplying power to underwater equipment, involves a high-current circuit, and must ensure water resistance.

The traditional switch or the direct plug-in mode supplies power, the switch is turned on by pressing a button to control the on-off of the switch, and if the switch is placed in a sealing device, the sealing device needs to be turned on every time, so that the switch is extremely inconvenient and is not beneficial to the normal work of underwater equipment; if a contact switch is used to control the power supply, the structure and sealing are complicated and unreliable.

Disclosure of Invention

The underwater non-contact high-power supply change-over switch is simple in structure, convenient to use, simple to operate, good in heat dissipation effect, good in waterproof effect, safe, reliable, suitable for high-power, deep water and high-pressure environments and capable of quickly opening or closing a switch in a battery compartment.

The invention is realized by the following technical scheme:

an underwater non-contact high-power supply change-over switch comprises a cylinder body (1), wherein an end cover (2) is arranged at the bottom of the cylinder body (1), positioning holes are formed in radial corresponding positions of the cylinder body (1) and the end cover (2), and positioning pins (105) for positioning and installing the cylinder body (1) and the end cover (2) are arranged in the positioning holes; at least two circuit board isolation columns (3) are arranged above the end cover (2), and a plurality of electrically connected circuit boards (4) are arranged on the circuit board isolation columns (3); a first watertight socket (5) is electrically connected below the circuit board (4), and the first watertight socket (5) is coaxially arranged in a mounting hole in the middle of the end cover (2); the circuit board (4) top electric connection has second watertight socket (6), and second watertight socket (6) coaxial setting is in the mounting hole in the middle of barrel (1).

Furthermore, a magnetic lock element for keeping the on-off state of the switch is arranged on the position, close to the upper surface of the cylinder (1), of the circuit board (4) in the cylinder (1), a path magnetic induction element and a circuit breaking magnetic induction element are arranged on the magnetic lock element, and a path magnetic induction area (101) and a circuit breaking magnetic induction area (102) are respectively arranged on the positions, corresponding to the path magnetic induction element and the circuit breaking magnetic induction element, of the outer upper surface of the cylinder (1); the circuit board (4) is also provided with a power supply conversion and charging circuit, a switch driving and protecting circuit, a pre-charging circuit, a time delay circuit and a high-voltage main switch circuit, wherein the power supply conversion and charging circuit is used for realizing the power supply of an internal circuit and the battery charging in the battery cabin (12); the switch driving and protecting circuit provides protection for the switch and indicates the working state of the switch; the pre-charging circuit is used for pre-charging devices such as a high-capacity capacitor of a power supply loop of the battery cabin (12); the delay circuit can delay and start the high-voltage main switch circuit; the high-voltage main switch circuit is used for switching on and off the underwater high-voltage high-power supply change-over switch.

Furthermore, an annular groove is formed in the upper surface of the end cover (2), the circuit board isolation column (3) is fixedly installed at the bottom of the groove, and heat dissipation glue (9) is filled in the groove.

Furthermore, a sealing ring (7) is arranged at the installation contact part of the cylinder body (1) and the end cover (2), and the sealing ring (7) is installed in a sealing ring installation groove at the outer side of the end cover (2); the installation contact part of the cylinder body (1) below the sealing ring (7) and the end cover (2) is provided with a polyester wire (8), and the polyester wire (8) is installed in a polyester wire clamping groove on the outer side of the end cover (2).

Furthermore, an indicator lamp (10) or a charger (11) can be electrically inserted above the second watertight socket (6), the indicator lamp (10) is used for displaying the on-off state of the switch, and the charger (11) is used for charging the battery compartment (12); the indicator lamp (10) comprises a first watertight plug (1001), the first watertight plug (1001) is connected with an indicator lamp body (1002) through a watertight cable, a first locking sleeve (1003) is arranged outside the joint of the watertight cable and the first watertight plug (1001), and the indicator lamp body (1002) is sealed in transparent vulcanized polyurethane (1004); the charger (11) comprises a second watertight plug (1101), the second watertight plug (1101) is connected with a charger (1102) through a watertight cable, a second locking sleeve (1103) is arranged outside the joint of the watertight cable and the second watertight plug (1101), and a charging plug (1104) is arranged on the charger (1102).

The working principle of the invention is as follows:

according to the invention, the circuit components are sealed through the cylinder body and the end cover, the magnets are used for approaching the corresponding magnetic induction areas, and the magnetic induction components receive magnetic signals, so that the on-off of the switch can be realized, and the non-contact switch control is realized; and the current magnetic signal is locked by using the magnetic lock element, so that the switch driving and protecting circuit and the pre-charging circuit can be continuously kept to work even if the magnet leaves the magnetic induction position, the pre-charging circuit immediately works when being initially started, devices such as a high-capacity capacitor and the like of a power supply loop of the battery compartment are charged firstly, and the high-voltage main switch circuit is opened in a delayed manner by the delay circuit, so that the impact of large current of the loop is avoided, and the soft start of the switch is realized.

Compared with the prior art, the invention has the beneficial effects that:

compared with the prior art, the circuit component is sealed through the cylinder body and the end cover, the non-contact switch control of the circuit is realized through the magnetic induction element and the magnetic lock element, the on-off state of the switch is kept, the switch can be switched without opening the sealing device, the waterproof effect is good, and the safety and the reliability are realized; the sealing ring is arranged between the cylinder body and the end cover, so that the waterproof effect of the invention is improved; the polyester wire is arranged between the cylinder body and the end cover to prevent the cylinder body and the end cover from being separated; the circuit board isolation columns are used for isolating the circuit boards, so that the circuit boards are prevented from shaking to approach each other to cause short circuit, and the circuit boards are isolated to be favorable for heat dissipation of the circuit boards; the heat dissipation glue is arranged above the end cover, so that good heat dissipation performance in the cylinder body is guaranteed, and circuit board components are prevented from being damaged due to overhigh temperature in the cylinder body; the power supply conversion and charging circuit is arranged on the circuit board, so that power supply of an internal circuit and battery charging in the battery cabin are realized; the pre-charging circuit and the delay circuit are arranged on the circuit board, so that the pre-charging of devices such as a high-capacity capacitor of a power supply loop of the battery compartment is realized, the high-voltage main switch circuit is started in a delayed manner, the impact of large current of the loop is avoided, and the soft start of the main switch is realized; the on-off state of the switch is displayed by connecting the indicating lamp on the circuit board, so that the visual judgment of a worker is facilitated, and the worker is prevented from misoperation without opening or closing the switch; the barrel is provided with a magnet mounting hole for storing a magnet, and the switch in the battery compartment is quickly opened or closed by using the magnet, so that the operation is convenient; the cylinder body and the end cover are made of high-strength materials, and are suitable for high-power, deep water and high-pressure environments.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a functional block diagram of the present invention;

FIG. 4 is a schematic view of the magnetic induction position of the present invention;

FIG. 5 is a state diagram of the present invention in use;

FIG. 6 is a schematic view of an indicator light according to the present invention;

fig. 7 is a schematic diagram of a charger structure according to the present invention.

The reference numbers in the figures:

1-cylinder, 101-path magnetic induction area, 102-broken magnetic induction area, 103-magnet mounting hole, 104-magnet, 105-positioning pin;

2-end cap;

3-circuit board spacer columns;

4-a circuit board;

5-a first watertight socket;

6-a second watertight socket;

7-a sealing ring;

8-polyester thread;

9-heat dissipation glue;

10-an indicator light, 1001-a first watertight plug, 1002-an indicator light body, 1003-a first locking sleeve and 1004-transparent vulcanized polyurethane;

11-charger, 1101-second watertight plug, 1102-charger, 1103-second locking sleeve, 1104-charging plug;

12-battery compartment.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

As shown in fig. 1-7, an underwater non-contact high-power supply changeover switch comprises a cylinder 1, an end cover 2 is arranged at the bottom of the cylinder 1, at least two circuit board isolation columns 3 are arranged above the end cover 2, a plurality of electrically connected circuit boards 4 are arranged on the circuit board isolation columns 3, a first watertight socket 5 is electrically connected below the circuit boards 4, the first watertight socket 5 is coaxially arranged in a mounting hole in the middle of the end cover 2, a second watertight socket 6 is electrically connected above the circuit boards 4, and the second watertight socket 6 is coaxially arranged in the mounting hole in the middle of the cylinder 1.

Preferably, as shown in fig. 3, a magnetic lock element for maintaining the on-off state of the switch is arranged on the circuit board 4 inside the cylinder 1 at a position close to the upper surface of the cylinder 1, a path magnetic induction element and a circuit breaking magnetic induction element are arranged on the magnetic lock element, a path magnetic induction area 101 and a circuit breaking magnetic induction area 102 are respectively arranged on the outer upper surface of the cylinder 1 at positions corresponding to the path magnetic induction element and the circuit breaking magnetic induction element, and the on-off state of the switch is realized by induction through a magnet close to the corresponding path magnetic induction area 101 and circuit breaking magnetic induction area 102.

Preferably, as shown in fig. 3, a power conversion and charging circuit is disposed on the circuit board 4 inside the barrel 1 to supply power to the internal circuit and charge the battery in the battery compartment 12.

Preferably, as shown in fig. 3, a pre-charging circuit is disposed on the circuit board 4 inside the barrel 1, so as to pre-charge the high-capacity capacitor of the power supply loop of the battery compartment 12, and prevent the capacitor from being in a zero state before power-on, and prevent the battery and the circuit components from being damaged due to a large impact caused by a short circuit due to an excessive current at the moment of circuit closing.

Preferably, as shown in fig. 3, a delay circuit is disposed on the circuit board 4 inside the barrel 1, and the delay circuit is used for starting the high-voltage main switch circuit in a delayed manner, so as to avoid the impact of large current in the circuit and realize the soft start of the main switch.

Preferably, as shown in fig. 3, a switch driving and protecting circuit is disposed on the circuit board 4 inside the cylinder 1, so as to implement orderly operation of the pre-charging circuit and the high-voltage main switch circuit, provide protection for the switch, and indicate the operating state of the switch.

Preferably, as shown in fig. 3, a high-voltage main switch circuit is arranged on the circuit board 4 inside the cylinder 1, so that the switching on and off of the underwater high-voltage high-power supply change-over switch can be realized.

Preferably, as shown in fig. 2 and 4, a magnet mounting hole 103 is formed in the upper surface of the barrel 1, and a detachable magnet 104 is arranged in the magnet mounting hole 103, so that the switch in the battery compartment 12 can be quickly opened or closed by the magnet 104 carried by the user.

Preferably, the cylinder body 1 and the end cover 2 are made of high-strength materials, and are suitable for high-power, deep water and high-pressure environments.

Preferably, the first watertight socket 5 is fixed with the end cover 2 through threaded connection, and a waterproof gasket is arranged on the surface of the first watertight socket 5 contacting with the bottom of the end cover 2.

Preferably, as shown in fig. 1 and 2, an annular groove is formed in the upper surface of the end cap 2, the circuit board spacer 3 is installed and fixed at the bottom of the groove, and the groove is filled with heat dissipation glue 9, so that good heat dissipation performance in the cylinder 1 is ensured, and the damage to components of the circuit board 4 due to over-high temperature in the cylinder 1 is prevented.

Preferably, as shown in fig. 1 and 2, a sealing ring 7 is arranged at a mounting contact part of the cylinder 1 and the end cover 2, and the sealing ring 7 is mounted in a sealing ring mounting groove at the outer side of the end cover 2, so that the waterproof performance of the mounting part of the cylinder 1 and the end cover 2 is ensured, and the circuit board 4 is prevented from being short-circuited due to water entering the cylinder 1.

Preferably, as shown in fig. 1 and 2, a polyester wire 8 is arranged at a mounting contact portion of the cylinder 1 and the end cover 2 below the sealing ring 7, the polyester wire 8 is mounted in a polyester wire clamping groove at the outer side of the end cover 2, the polyester wire 8 can prevent the cylinder 1 from being separated from the end cover 2, and the polyester wire 8 has the characteristics of high strength, difficulty in breaking, acid and alkali resistance, UV radiation resistance, aging resistance and the like, and is long in service life.

Preferably, as shown in fig. 1 and 2, the circuit board isolation column 3 separates the plurality of circuit boards 4 to prevent the circuit boards 4 from shaking to approach each other to cause short circuit, and separating the plurality of circuit boards 4 is also beneficial to heat dissipation of the circuit boards 4.

Preferably, an indicator light 10 or a charger 11 can be electrically plugged above the second watertight socket 6, the indicator light 10 is used for displaying the on-off state of the switch, and the charger 11 is used for charging the battery compartment 12.

Preferably, as shown in fig. 6, the indicator light 10 comprises a first watertight plug 1001, the first watertight plug 1001 is connected with an indicator light body 1002 through a watertight cable, a first locking sleeve 1003 is arranged outside the joint of the watertight cable and the first watertight plug 1001, the indicator light body 1002 is sealed in transparent vulcanized polyurethane 1004, and the transparent vulcanized polyurethane 1004 is used for sealing and protecting the indicator light body 1002 to prevent the indicator light body 1002 from being damaged by water or external force impact.

Preferably, as shown in fig. 7, the charger 11 includes a second watertight plug 1101, the second watertight plug 1101 is connected to a charger 1102 through a watertight cable, a second locking sleeve 1103 is disposed outside a connection position between the watertight cable and the second watertight plug 1101, and a charging plug 1104 is disposed on the charger 1102.

Preferably, as shown in fig. 1 and 2, positioning holes are provided at radially corresponding positions of the cylinder 1 and the end cover 2, positioning pins 105 are provided in the positioning holes, and the positioning pins 105 are used for positioning and installing the cylinder 1 and the end cover 2 to prevent the cylinder 1 and the end cover 2 from being disengaged.

The working mode of the invention is as follows:

when the underwater power supply device is used, a worker inserts a first watertight plug 1001 of the indicator light 10 into a second watertight socket 6 in an installation hole at the upper end of the cylinder 1, then inserts the end 5 of the first watertight socket into a battery compartment 12 of underwater equipment, checks the inserting state and the sealing property, then removes a magnet 104 in a magnet installation hole 103 on the upper surface of the cylinder 1, opens a switch of a passage magnetic induction area 101, close to the upper surface of the cylinder 1, of the magnet 104, observes whether the indicator light 10 is lighted, the indicator light 10 is lighted to indicate that a switch circuit is in a passage state, and then places the magnet 104 into the magnet installation hole 103 on the upper surface of the cylinder 1, so that a switch of the battery compartment 12 can be opened to supply power to a system of the underwater equipment.

When a battery compartment 12 of underwater equipment needs to be charged, a magnet 104 in a magnet mounting hole 103 on the upper surface of a cylinder 1 is taken down, the magnet 104 is close to a broken magnetic induction area 102 on the upper surface of the cylinder 1 to close a switch, electric shock caused by accidental touch of workers is prevented, then an indicator lamp 10 is pulled out, a second watertight plug 1101 of a charger 11 is inserted into a second watertight socket 6 in the mounting hole on the upper end of the cylinder 1, a charging plug 1104 of the charger 11 is inserted into a power supply circuit socket, then the magnet 104 is close to a passage magnetic induction area 101 on the upper surface of the cylinder 1 to open the switch, and the magnet 104 is placed in the magnet mounting hole 103 on the upper surface of the cylinder 1 after the switch is opened, so that the battery compartment 12 can be charged.

When the circuit board works, the magnet 104 is close to the corresponding magnetic induction position, the magnetic induction element receives the magnetic signal, the magnetic lock element locks the current magnetic signal, and the switch driving and protecting circuit and the pre-charging circuit can be continuously kept to work even if the magnet leaves the magnetic induction position. When the battery compartment power supply circuit is started initially, the pre-charging circuit works immediately, devices such as a high-capacity capacitor and the like of the battery compartment power supply circuit are charged firstly, and the delay circuit enables the high-voltage main switch circuit to be turned on in a delayed mode, so that the impact of large current of the circuit is avoided, and the soft start of the switch is realized.

The underwater non-contact high-power supply change-over switch provided by the invention is described in detail, the principle of the invention is described in the text, and the description of the working principle is only used for helping to understand the core idea of the invention. It should be noted that, for those skilled in the art, it is possible to make improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. An underwater non-contact high-power supply change-over switch is characterized in that: the device comprises a cylinder body (1), wherein an end cover (2) is arranged at the bottom of the cylinder body (1), at least two circuit board isolation columns (3) are arranged above the end cover (2), a plurality of circuit boards (4) which are electrically connected are arranged on the circuit board isolation columns (3), a first watertight socket (5) is electrically connected below the circuit boards (4), the first watertight socket (5) is coaxially arranged in a mounting hole in the middle of the end cover (2), a second watertight socket (6) is electrically connected above the circuit boards (4), and the second watertight socket (6) is coaxially arranged in the mounting hole in the middle of the cylinder body (1);

a magnetic lock element used for keeping the on-off state of the switch is arranged on a position, close to the upper surface of the cylinder (1), of the circuit board (4) inside the cylinder (1), a path magnetic induction element and a circuit breaking magnetic induction element are arranged on the magnetic lock element, and a path magnetic induction area (101) and a circuit breaking magnetic induction area (102) are respectively arranged on the positions, corresponding to the path magnetic induction element and the circuit breaking magnetic induction element, of the outer upper surface of the cylinder (1).

2. The underwater non-contact high-power supply change-over switch according to claim 1, characterized in that: the circuit board (4) is also provided with a power supply conversion and charging circuit, a switch driving and protecting circuit, a pre-charging circuit, a time delay circuit and a high-voltage main switch circuit, wherein the power supply conversion and charging circuit is used for realizing the power supply of an internal circuit and the battery charging in the battery cabin (12); the switch driving and protecting circuit provides protection for the switch and indicates the working state of the switch; the pre-charging circuit is used for pre-charging devices such as a high-capacity capacitor of a power supply loop of the battery cabin (12); the delay circuit can delay the starting of the high-voltage main switch circuit; the high-voltage main switch circuit is used for switching on and off the underwater high-voltage high-power supply change-over switch.

3. The underwater non-contact high-power supply change-over switch according to claim 1, characterized in that: the upper surface of the end cover (2) is provided with an annular groove, the circuit board isolation column (3) is fixedly installed at the bottom of the groove, and the groove is filled with heat dissipation glue (9).

4. The underwater non-contact high-power supply change-over switch according to claim 1, characterized in that: the cylinder body (1) and the end cover (2) are arranged at the contact part, a sealing ring (7) is arranged in a sealing ring mounting groove in the outer side of the end cover (2), and the sealing ring (7) is arranged in the sealing ring mounting groove.

5. The underwater non-contact high-power supply change-over switch according to claim 4, characterized in that: the installation contact part of the cylinder body (1) below the sealing ring (7) and the end cover (2) is provided with a polyester wire (8), and the polyester wire (8) is installed in a polyester wire clamping groove on the outer side of the end cover (2).

6. The underwater non-contact high-power supply change-over switch according to claim 1, characterized in that: an indicator lamp (10) or a charger (11) can be electrically inserted above the second watertight socket (6), the indicator lamp (10) is used for displaying the on-off state of the switch, and the charger (11) is used for charging the battery compartment (12).

7. The underwater non-contact high-power supply change-over switch according to claim 6, characterized in that: the indicator lamp (10) comprises a first watertight plug (1001), the first watertight plug (1001) is connected with an indicator lamp body (1002) through a watertight cable, a first locking sleeve (1003) is arranged outside the joint of the watertight cable and the first watertight plug (1001), and the indicator lamp body (1002) is sealed in transparent vulcanized polyurethane (1004).

8. The underwater non-contact high-power supply change-over switch according to claim 6, characterized in that: the charger (11) comprises a second watertight plug (1101), the second watertight plug (1101) is connected with a charger (1102) through a watertight cable, a second locking sleeve (1103) is arranged outside the joint of the watertight cable and the second watertight plug (1101), and a charging plug (1104) is arranged on the charger (1102).

9. The underwater non-contact high-power supply change-over switch according to claim 1, characterized in that: the barrel (1) is provided with a magnet mounting hole (103), and a detachable magnet (104) is arranged in the magnet mounting hole (103).

10. The underwater non-contact high-power supply change-over switch according to claim 1, characterized in that: the positioning holes are formed in the positions, corresponding to the end covers (2) in the radial direction, of the cylinder body (1), and positioning pins (105) used for positioning and installing the cylinder body (1) and the end covers (2) are arranged in the positioning holes.

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