CN214626392U - Charging and discharging power supply mechanism - Google Patents

Abstract

The utility model provides a charge-discharge power supply mechanism, including device shell, block terminal, singlechip and switch, the inside block terminal that is equipped with of device shell, inside singlechip, relay, the power of being equipped with of block terminal, the inside switch that is equipped with of device shell, the switch upper surface is equipped with the button, the button bottom is equipped with the fixed column, the fixed column upper end is equipped with first stopper, the fixed column middle-end is equipped with first spring, first spring bottom is equipped with the fixed block, the switch left side is equipped with the rectangle spout, the inside slider that is equipped with of rectangle spout, the slider right side is equipped with the inclined plane, compares with prior art, the utility model discloses following beneficial effect has: through the temperature sensor who sets up, play protection switch's effect, prevent that the switch from inside high temperature under high load environment, lead to the emergence of switch spontaneous combustion, through coil and the iron core that sets up, automatic disconnection charging source is safer when the conflagration.

Description

Charging and discharging power supply mechanism

Technical Field

The utility model belongs to charge-discharge power supply field, in particular to charge-discharge power supply mechanism.

Background

Currently, a charging power supply supplies a rectifying device for charging a storage battery. In the early days, an alternating current motor-direct current generator set (also called a rotary machine set) was used as a charging power supply, and after the 60 th century, the charging power supply consisting of power electronic devices was used. The charging power supply usually adopts a single-phase (or three-phase) semi-controlled rectifying circuit (composed of a thyristor and a diode which can not reverse the load voltage) or an uncontrolled rectifying circuit (composed of a rectifying diode without controlled kinetic energy) which is additionally connected with a rectifying circuit of an alternating current voltage regulator, and in a direct current circuit, a smoothing reactor is needed to inhibit direct current pulsation and prevent current interruption.

However, the existing charging device can only charge the portable power source, and the portable power source is easy to be aged and short-circuited after being used for a long time and is easy to overheat inside the portable power source and the wire due to continuous charging, which finally causes fire, and when charging the portable power source, the trouble of repeatedly plugging and unplugging the switch is required, so that a charging and discharging power source mechanism is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a charging and discharging power supply mechanism to solve the problem of proposing in the above-mentioned background art.

The technical scheme of the utility model is realized like this: a charging and discharging power supply mechanism comprises a device shell, a distribution box, a single chip microcomputer and a switch, wherein the distribution box is arranged inside the device shell, the single chip microcomputer, a relay and a power supply are arranged inside the distribution box, the switch is arranged inside the device shell, a button is arranged on the upper surface of the switch, a fixed column is arranged at the bottom of the button, a first limiting block is arranged at the upper end of the fixed column, a first spring is arranged at the middle end of the fixed column, a fixed block is arranged at the bottom of the first spring, a through groove is formed inside the fixed block, a fixed column is arranged inside the through groove, a second limiting block is arranged at the lower end of the fixed column, a conductive metal sheet is arranged at the bottom of the fixed column, a base is arranged below the conductive metal sheet, a rectangular groove is arranged on the upper surface of the base, a first conductive contact is arranged inside the rectangular groove, and a second contact head is arranged on the right side of the first conductive contact, the switch left side is equipped with the set casing, the inside iron core that is equipped with of set casing, the iron core outside is equipped with the coil, iron core upper end and iron core lower extreme are equipped with a fixing base respectively, the fixing base right side is equipped with the second spring, second spring right side is equipped with the metal push pedal, the metal push pedal right side is equipped with the slider, the switch left side is equipped with the rectangle spout, the inside slider that is equipped with of rectangle spout, the slider right side is equipped with the inclined plane.

As a preferred embodiment, the fixed column is a cylindrical structure, the fixed column is a movable mechanism, and the movable range of the fixed column is inside the through groove.

As a preferred embodiment, the first conductive contact and the second conductive contact have the same structure, the first conductive contact is formed by cold bending a copper sheet, and the first conductive contact and the second conductive contact are respectively fixed on the bottom surface inside the base through screws.

In a preferred embodiment, two fixed shells are provided, and the two fixed shells are respectively fixed on the left side and the right side of the switch.

As a preferred embodiment, the input end of the single chip microcomputer is connected with the output end of the temperature sensor, the output end of the single chip microcomputer is connected with the input end of the relay, and the output end of the power supply is connected with the input end of the coil.

After the technical scheme is adopted, the beneficial effects of the utility model are that: through the temperature sensor who sets up, play protection switch's effect, prevent that the switch from inside high temperature under high load environment, lead to the emergence of switch spontaneous combustion, through coil and the iron core that sets up, automatic disconnection charging source is safer when the conflagration.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is the utility model relates to a charge-discharge power supply mechanism's overall structure schematic diagram.

Fig. 2 is a front sectional view of the switch of the charging and discharging power supply mechanism of the present invention.

Fig. 3 is an enlarged view of a position a of the charging and discharging power supply mechanism of the present invention.

Fig. 4 is a schematic diagram of a circuit working frame of the charging and discharging power supply mechanism of the present invention.

In the figure, 1-device shell, 2-switch, 3-distribution box, 4-temperature sensor, 5-single chip microcomputer, 6-relay, 7-power supply, 8-coil, 9-button, 10-first limiting block, 11-fixed column, 12-second limiting block, 13-conductive metal sheet, 14-first spring, 15-fixed block, 16-through groove, 17-first conductive contact, 18-metal push plate, 19-iron core, 20-fixed seat, 21-second spring, 22-slide block, 23-inclined plane and 24-base.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a charging and discharging power supply mechanism comprises a device shell 1, a distribution box 3, a single chip microcomputer 5 and a switch 2, wherein the distribution box 3 is arranged inside the device shell 1, the single chip microcomputer 5, a relay 6 and a power supply 7 are arranged inside the distribution box 3, the switch 2 is arranged inside the device shell 1, a button 9 is arranged on the upper surface of the switch 2, a fixed column 11 is arranged at the bottom of the button 9, a first limiting block 10 is arranged at the upper end of the fixed column 11, a first spring 14 is arranged at the middle end of the fixed column 11, a fixed block 15 is arranged at the bottom of the first spring 14, a through groove 16 is arranged inside the fixed block 15, the fixed column 11 is arranged inside the through groove 16, a second limiting block 12 is arranged at the lower end of the fixed column 11, a conductive metal sheet 13 is arranged at the bottom of the fixed column 11, a base 24 is arranged below the conductive metal sheet 13, a rectangular groove is arranged on the upper surface of the base 24, a first conductive contact 17 is arranged inside the rectangular groove, a second contact 17 is arranged on the right side of the first conductive contact, switch 2 left side is equipped with the set casing, and the inside iron core 19 that is equipped with of set casing, 19 outsides of iron core are equipped with coil 8, and 19 upper ends of iron core and 19 lower extremes of iron core are equipped with a fixing base 20 respectively, and the fixing base 20 right side is equipped with second spring 21, and second spring 21 right side is equipped with metal push pedal 18, and 18 right sides of metal push pedal are equipped with slider 22, and switch 2 left side is equipped with the rectangle spout, and the inside slider 22 that is equipped with of rectangle spout, slider 22 right side are equipped with inclined plane 22.

The fixed column 11 is a cylindrical structure, the fixed column 11 is a movable mechanism, the movable range of the fixed column 11 is arranged in the through groove 16, and the conduction of an external charging power supply is realized through the contact of the conductive metal sheet 13 at the bottom of the fixed column 11, the first conductive contact 17 and the second conductive contact.

The first conductive contact 17 and the second conductive contact have the same structure, the first conductive contact 17 is formed by cold bending of a copper sheet, the first conductive contact 17 and the second conductive contact are respectively fixed on the bottom surface inside the base 24 through screws, and the first conductive contact 17 and the second conductive contact are arranged to enable the conductivity to be good.

The set casing is equipped with two, and two set casings are fixed respectively on switch 2 left side and switch 2 right side, through the slider 22 that sets up, make switch 2 conveniently reset.

The input of singlechip 5 is connected with temperature sensor 4's output, and the output of singlechip 5 is connected with relay 6's input, and the output of power 7 is connected with the input of coil 8, through temperature sensor 4 who sets up, improves the power consumption safety.

As an embodiment of the present invention: the first conductive contact 17 and the second conductive contact are connected in series to an external charging power supply, the button 9 on the switch 2 is pressed, the first limiting block 10 is enabled to compress the second spring 21 downwards, the second limiting block 12 moves downwards, the slider 22 is squeezed by the second limiting block 12 to move outwards due to the fact that the inclined plane 22 is arranged on the right side of the slider 22, the second limiting block 12 pushes the metal push plate 18 to move outwards, the second spring 21 is enabled to be compressed, the fixing column 11 drives the conductive metal sheet 13 to move downwards, the bottom of the conductive metal sheet 13 is enabled to be in contact with the first conductive contact 17 and the second conductive contact, the first conductive contact 17 and the second conductive contact are compressed downwards due to the elastic force, at the moment, the second limiting block 12 is located below the slider 22, the slider 22 is enabled to move outwards due to the elastic force of the second spring 21 and is clamped above the limiting blocks, and the button 9 can be released, and communication of the external charging power supply is completed.

As an embodiment of the present invention: in the actual use process, if an external charging power supply is short-circuited or a fire disaster occurs inside the distribution box 3, the temperature sensor 4 detects the contact temperature of the first conductive contact 17 and the second conductive contact and transmits the contact temperature to the singlechip 5, and after the singlechip 5 is further calculated and processed, when the temperature inside the switch 2 is higher than fifty degrees, the singlechip 5 controls the relay 6 to be closed, the relay 6 controls the power supply 7 to be opened, the power supply 7 supplies power to the coil 8, so that the iron core 19 generates magnetism, the metal push plate 18 is adsorbed, the metal push plate 18 drives the slider 22 to move outwards, the fixed column 11 moves upwards to return under the elastic force of the first spring 14, at the moment, the first conductive contact 17, the second conductive contact and the conductive metal sheet 13 are disconnected, the temperature sensor 4 is arranged to play a role of protecting the switch 2, so as to prevent the switch 2 from having an overhigh internal temperature under a high-load environment, the self-ignition of the switch 2 is caused, and the charging power supply is automatically disconnected through the arranged coil 8 and the iron core 19 in case of fire, so that the safety is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a charge-discharge power supply mechanism, includes device shell, block terminal, singlechip and switch, its characterized in that: the device comprises a device shell, a power supply, a singlechip, a relay and a switch are arranged in the device shell, the switch is arranged in the device shell, the button is arranged on the upper surface of the switch, a fixed column is arranged at the bottom of the button, a first limiting block is arranged at the upper end of the fixed column, a first spring is arranged at the middle end of the fixed column, a fixed block is arranged at the bottom of the first spring, a through groove is formed in the fixed block, the fixed column is arranged in the through groove, a second limiting block is arranged at the lower end of the fixed column, a conductive metal sheet is arranged at the bottom of the fixed column, a base is arranged below the conductive metal sheet, a rectangular groove is arranged on the upper surface of the base, a first conductive contact is arranged in the rectangular groove, a second contact is arranged on the right side of the first conductive contact, a fixed shell is arranged on the left side of the switch, an iron core is arranged in the fixed shell, a coil is arranged outside the iron core, iron core upper end and iron core lower extreme are equipped with a fixing base respectively, the fixing base right side is equipped with the second spring, second spring right side is equipped with the metal push pedal, metal push pedal right side is equipped with the slider, the switch left side is equipped with the rectangle spout, the inside slider that is equipped with of rectangle spout, the slider right side is equipped with the inclined plane.

2. A charging and discharging power supply mechanism according to claim 1, wherein: the fixed column is of a cylindrical structure, the fixed column is a movable mechanism, and the movable range of the fixed column is located in the through groove.

3. A charging and discharging power supply mechanism according to claim 1, wherein: the first conductive contact and the second conductive contact are identical in structure, the first conductive contact is formed by cold bending of a copper sheet, and the first conductive contact and the second conductive contact are fixed on the bottom surface of the interior of the base through screws respectively.

4. A charging and discharging power supply mechanism according to claim 1, wherein: the fixed shell is equipped with two, two the fixed shell is fixed respectively on switch left side and switch right side.

5. A charging and discharging power supply mechanism according to claim 1, wherein: the input end of the single chip microcomputer is connected with the output end of the temperature sensor, the output end of the single chip microcomputer is connected with the input end of the relay, and the output end of the power supply is connected with the input end of the coil.

Images