CN218276138U - Charging emergency protection circuit and charging unit - Google Patents
Charging emergency protection circuit and charging unit Download PDFInfo
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- CN218276138U CN218276138U CN202222137906.0U CN202222137906U CN218276138U CN 218276138 U CN218276138 U CN 218276138U CN 202222137906 U CN202222137906 U CN 202222137906U CN 218276138 U CN218276138 U CN 218276138U
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- protection circuit
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Abstract
The utility model discloses an emergent protection circuit and charging unit charge, including charging cabinet body and emergent protection circuit board, be equipped with resistance RP, thermistor RT and the resistance R1 who establishes ties in proper order on the emergent protection circuit board, resistance RP's anodal electric connection has resistance R2, and it has electric capacity C1 to establish ties between resistance R2's negative pole and resistance R1's negative pole. The utility model discloses an emergency protection circuit board and radiator fan that set up, the thermistor on the emergency protection circuit board of utilization monitors the inside temperature of cabinet body that charges for emergency protection circuit board can be timely when the high temperature control radiator fan carries out work, makes radiator fan discharge the inside hot-air of cabinet body that charges, realizes that the cabinet body that charges obtains overheated emergency protection's effect.
Description
Technical Field
The utility model relates to a sharing portable power source battery charging outfit technical field, concretely relates to emergent protection circuit and the charging unit charge.
Background
With the popularization of mobile phones, shared mobile power supplies are also developed, and after the shared mobile power supplies are used, the shared mobile power supplies need to be added into shared mobile power supply charging equipment, so that the used mobile power supplies can supplement electric quantity.
Chinese patent No. CN201821568166.3 discloses a charging emergency protection circuit and a charging unit. This emergency protection circuit is including the anodal circuit that charges and the negative pole circuit that charges, and the anodal circuit that charges is the electric energy component of the battery charging unit anodal and the charging wire output connection circuit between anodal, and the negative pole circuit that charges is the electric energy component negative pole of the battery charging unit and the charging wire output connection circuit between the negative pole, still including the wiring diode of establishing ties or parallelly connected.
The above and shared portable power source charging device in the prior art does not have the effect of performing emergency heat dissipation protection on the charging unit inside the device, so that the charging unit is easily damaged due to overheating. Therefore, it is desirable to design a charging emergency protection circuit and a charging unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a charge emergent protection circuit and charging unit to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
emergent protection circuit charges, including cabinet body and the emergent protection circuit board that charges, be equipped with resistance RP, thermistor RT and the resistance R1 who establishes ties in proper order on the emergent protection circuit board, resistance RP's anodal electric connection has resistance R2, it has electric capacity C1 to establish ties between resistance R2's negative pole and resistance R1's negative pole, resistance R2's anodal electric connection has IC control chip, it has electric capacity C2 to establish ties between IC control chip's the fifth pin and electric capacity C1's the negative pole, electric capacity C1's negative pole electric connection has relay K, relay K connects in parallel has diode D2, electric connection has diode D1 between relay K and the third pin of IC control chip, electric capacity C1 is parallelly connected with resistance RP, thermistor RT and resistance R1, diode D2 and diode D1 polyphone.
Further, the capacitor C1 and the resistor R2 are connected in parallel with the resistor RP, the thermistor RT and the resistor R1.
Further, the diode D2 is connected in series with the diode D1, and the diode D1 is connected in series with the relay K.
The charging unit, open one side outer wall of cabinet body that charges has the slot, the inside activity of slot is pegged graft and is had the picture peg, the inside of picture peg is provided with the dust screen, the outer wall welding of one side of picture peg has the handle, open the top inner wall of slot has the guiding hole, the inside activity of guiding hole is pegged graft and is had the guide pillar, the inside of guiding hole is provided with the spring that is located the guide pillar top.
Furthermore, the bottom of guide pillar is provided with the semicircle head, the top outer wall of picture peg is provided with the circular arc groove with semicircle head looks adaptation.
Furthermore, a limiting block is welded on the outer wall of one side of the guide pillar, a limiting groove is formed in the inner wall of one side of the guide hole, and the limiting block is located inside the limiting groove.
Furthermore, the bottom outer wall welding of cabinet body that charges has evenly distributed's supporting legs, threaded connection has the regulation foot in the bottom of supporting legs.
Further, the bottom inner wall of the cabinet body that charges is provided with the charging unit body, the both sides outer wall welding machine of charging unit body has the installation ear, the top outer wall of installation ear is opened there is the spread groove, the bottom inner wall welding of the cabinet body that charges has the spliced pole, the top of spliced pole is articulated through the axle has the cam, one side outer wall integrated into one piece of cam has the gusset, the spliced pole is located the inside of spread groove, the gasket has been cup jointed to the outside of spliced pole, the gasket is located between cam and the installation ear.
Furthermore, a rubber pad is bonded to the bottom of the gasket and is sleeved outside the connecting column.
In the technical scheme, the utility model provides an emergent protection circuit and charging unit charge, beneficial effect is:
(1) Through the emergency protection circuit board and the radiator fan that set up, the temperature of the inside of cabinet body that charges is monitored to the thermistor on the emergency protection circuit board of utilization for emergency protection circuit board can be timely when the high temperature control radiator fan carries out work, makes radiator fan discharge the inside hot-air of cabinet body that charges, realizes that the cabinet body that charges obtains overheated emergency protection's effect.
(2) Through the cam, the gasket and the installation lug that set up, the rotation that utilizes the cam makes the cam extrude fixedly to the installation lug through the gasket for charging unit body is more convenient when installing and dismantling, and then makes the convenient effect of maintaining of charging unit body.
(3) Through picture peg, slot and the handle that sets up, utilize the handle can pull out the convenient inside from the slot of picture peg for the dust screen on the picture peg is convenient for carry out abluent effect, and then makes the cabinet body that charges be convenient for maintain.
(4) Through the supporting legs and the regulation foot that set up, utilize and adjust foot and supporting legs and carry out threaded connection for can be convenient when rotating the regulation foot adjust the level to the charging unit body, and then more stable effect when making the charging unit body place.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is the overall structure schematic diagram provided by the embodiment of the charging emergency protection circuit and the charging unit of the utility model.
Fig. 2 is the internal structure schematic diagram provided by the embodiment of the charging emergency protection circuit and the charging unit of the utility model.
Fig. 3 is the a-position amplification structure diagram provided by the embodiment of the charging emergency protection circuit and the charging unit of the present invention.
Fig. 4 is the schematic diagram of the B-site amplification structure provided by the embodiment of the charging emergency protection circuit and the charging unit of the present invention.
Fig. 5 is the circuit schematic diagram of the emergency protection circuit board provided by the embodiment of the charging emergency protection circuit and the charging unit of the utility model.
Description of reference numerals:
1 cabinet body, 2 emergency protection circuit boards, 3 radiator fan, 4 charging unit bodies, 5 supporting legss, 6 regulation feet, 7 slots, 8 picture peg, 9 handles, 10 installation ears, 11 spread groove, 12 cams, 13 gusset, 14 spliced poles, 15 gaskets, 16 dust screens, 17 rubber pads, 18 guiding holes, 19 guide pillars, 20 semicircle heads, 21 circular arc groove, 22 spacing grooves, 23 spacing blocks, 24 springs charge.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, the embodiment of the utility model provides a charge emergency protection circuit, including charging cabinet body 1 and emergency protection circuit board 2, be equipped with the resistance RP who establishes ties in proper order on emergency protection circuit board 2, thermistor RT and resistance R1, resistance RP's anodal electric connection has resistance R2, it has electric capacity C1 to establish ties between resistance R2's the negative pole and resistance R1's the negative pole, resistance R2's anodal electric connection has the IC control chip, it has electric capacity C2 to establish ties between IC control chip's fifth pin and electric capacity C1's the negative pole, electric capacity C1's negative pole electric connection has relay K, relay K has diode D2 in parallel, electric capacity D1 and the third pin of IC control chip, electric capacity C1 and resistance RP, thermistor RT and resistance R1 are parallelly connected, diode D2 and diode D1 are established ties; the capacitor C1 and the resistor R2 are connected with the resistor RP, the thermistor RT and the resistor R1 in parallel; the diode D2 is connected with the diode D1 in series, and the diode D1 is connected with the relay K in series.
Specifically, in the embodiment, the charging device comprises a charging cabinet body 1, the charging cabinet body 1 is a charging device of the prior art sharing mobile power supply, the inner wall of the bottom of the charging cabinet body 1 is connected with an emergency protection circuit board 2 through a bolt, the emergency protection circuit board 2 is used for detecting the temperature inside the charging cabinet body 1, the outer wall of one side of the charging cabinet body 1 is connected with a radiator fan 3 through a bolt, the hot air inside the charging cabinet body 1 is discharged through the work of the radiator fan 3, the emergency protection circuit board 2 is electrically connected with the radiator fan 3 through a wire, the emergency protection circuit board 2 comprises a resistor RP, a thermistor RT and a resistor R1 which are sequentially connected in series, the positive electrode of the resistor RP is electrically connected with a resistor R2, a capacitor C1 is connected in series between the negative electrode of the resistor R2 and the negative electrode of the resistor R1, and the positive electrode of the resistor R2 is electrically connected with an IC control chip, the electric capacity C2 is connected in series between the negative pole of the capacitor C1 of the IC control chip, the negative pole electric connection of the capacitor C1 has a relay K, one side of the relay K is connected in parallel with a diode D2, the electric capacity D1 is connected between the relay K and the IC control chip, the capacitor C1 is connected with a resistor RP, a thermistor RT is connected with a resistor R1 in parallel, the diode D2 is connected with the diode D1 in series, the emergency protection circuit board 2 adopts the specific principle that the thermistor RT is used for sensing the ambient temperature, the numerical value of the ambient temperature is transmitted to the IC control chip, the model of the IC control chip is NE555, then the IC control chip controls the relay K to work according to the returned temperature, so that the relay K drives the movable contact K1-1 to the normally open contact K1-2, the power supply of the cooling fan 3 is switched on, and the cooling fan 3 rotates.
The utility model provides an emergency protection circuit charges, through emergency protection circuit board 2 and radiator fan 3 that set up, the thermistor on the emergency protection circuit board 2 of utilization monitors the temperature of 1 inside of cabinet body that charges for emergency protection circuit board 2 can be timely when the high temperature control radiator fan 3 carries out work, makes radiator fan 3 discharge the hot-air of 1 inside of cabinet body that charges, realizes that cabinet body 1 that charges obtains overheated emergency protection's effect.
Charging unit, open one side outer wall of cabinet body 1 that charges has slot 7, the inside activity of slot 7 is pegged graft and is had picture peg 8, utilize picture peg 8 and cabinet body 1 that charges to peg graft and install, make picture peg 8 can conveniently install and dismantle with cabinet body 1 that charges, the inside of picture peg 8 is provided with dust screen 16, utilize dust screen 16 to prevent that the dust in the air from getting into the inside of cabinet body 1 that charges, the welding of one side outer wall of picture peg 8 has handle 9, can be with picture peg 8 convenient drawing out from the inside of slot 7 through handle 9, make the dust screen 16 on picture peg 8 be convenient for wash, the top inner wall of slot 7 is opened there is guiding hole 18, the inside activity of guiding hole 18 is pegged graft and is had guide pillar 19, the inside of guiding hole 18 is provided with the spring 24 that is located guide pillar 19 top, can slide in guiding hole 18 when guide pillar 19 is stressed, the bottom of guide pillar 19 is provided with semicircle head 20, the top outer wall of guide pillar 8 is provided with the slot 21 with semicircle head 20 looks adaptation, make semicircle head 20 of guide pillar 19 bottom cooperate with the semicircle head 20, and picture peg 8, and arc 21 on picture peg 8, and the circular arc groove 21 on the inside of cabinet body that make picture peg 8 keep the electricity fixed when picture peg 8.
The utility model provides a further embodiment, one side outer wall welding of guide pillar 19 has stopper 23, and one side inner wall of guiding hole 18 is opened there is spacing groove 22, and stopper 23 is located the inside of spacing groove 22, utilizes stopper 23 to carry on spacingly to the range of motion of guide pillar 19 for guide pillar 19 is difficult to take place to break away from with guiding hole 18.
The utility model provides an in the embodiment of still another, the welding of the bottom outer wall of cabinet body 1 that charges has evenly distributed's supporting legs 5, and threaded connection has the regulation foot 6 through threaded connection in the bottom of supporting legs 5, carries out threaded connection through regulation foot 6 and supporting legs 5 for can be convenient when rotating regulation foot 6 adjust the level to charging unit body 4.
The utility model provides a further embodiment, the bottom inner wall of the cabinet body that charges 1 is provided with the charging unit body 4, the both sides outer wall welding machine of charging unit body 4 has installation ear 10, the top outer wall of installation ear 10 is opened there is spread groove 11, spread groove 11 is open groove, the bottom inner wall welding of the cabinet body that charges 1 has spliced pole 14, spliced pole 14's cross-section is the structure of rectangle, spliced pole 14's top has cam 12 through the pivot, one side outer wall integrated into one piece of cam 12 has gusset 13, utilize gusset 13 to conveniently rotate cam 12, spliced pole 14 is located spread groove 11's inside, gasket 15 has been cup jointed to spliced pole 14's outside, gasket 15 is located between cam 12 and the installation ear 10, it is fixed to extrude installation ear 10 through gasket 15 through the rotation to cam 12 messenger cam 12, make charging unit body 4 more convenient when installing and dismantling.
The utility model provides a further embodiment, rubber pad 17 has bonded to the bottom of gasket 15, and rubber pad 17 cup joints in the outside of spliced pole 14, utilizes rubber pad 17 to make gasket 15 atress when, and gasket 15 can compress rubber pad 17 for the power that uses when cam 12 rotates reduces.
The working principle is as follows: when the charging unit body 4 inside the charging cabinet body 1 works to generate a large amount of heat, the temperature is detected through the thermistor on the emergency protection circuit board 2, the IC control chip control cooling fan 3 on the emergency protection circuit board 2 rotates when the temperature is too high, and then the heat inside the charging cabinet body 1 is timely discharged, the air outside the charging cabinet body 1 can enter the charging cabinet body 1 from the dust screen 16, dust in the air is filtered through the dust screen 16, when the dust screen 16 needs to be cleaned, the inserting plate 8 is pulled out through the handle 9, the dust screen 16 on the inserting plate 8 is convenient to clean, when the charging power supply body inside the charging cabinet body 1 needs to be disassembled and maintained, the cam 12 is rotated through the forcing plate 13, the cam 12 does not extrude the gasket 15, and the gasket 15 does not extrude the mounting lug 10, at this moment, the charging unit body 4 can be moved, the mounting lug 10 of the charging unit body 4 is separated from the connecting column 14, and the charging unit body 4 can be conveniently disassembled.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. Emergent protection circuit charges, its characterized in that, including cabinet body (1) and the emergent protection circuit board that charges, be equipped with resistance RP, thermistor RT and the resistance R1 who establishes ties in proper order on the emergent protection circuit board, resistance RP's anodal electric connection has resistance R2, it has electric capacity C1 to establish ties between resistance R2's negative pole and resistance R1's negative pole, resistance R2's anodal electric connection has IC control chip, it has electric capacity C2 to establish ties between IC control chip's the fifth pin and electric capacity C1's negative pole, electric capacity C1's negative pole electric connection has relay K, relay K connects in parallel has diode D2, electric connection has diode D1 between relay K and the third pin of IC control chip.
2. The charging emergency protection circuit of claim 1, wherein the capacitor C1 and the resistor R2 are connected in parallel with the resistor RP, the thermistor RT and the resistor R1.
3. The charging emergency protection circuit of claim 2, wherein the diode D2 is connected in series with a diode D1, and the diode D1 is connected in series with a relay K.
4. Charging unit, including the emergent protection circuit that charges of any one of claims 1 to 3, characterized in that, the outer wall of one side of cabinet body (1) that charges is opened there is slot (7), the inside activity of slot (7) is pegged graft and is had picture peg (8), the inside of picture peg (8) is provided with dust screen (16), the outer wall welding of one side of picture peg (8) has handle (9), open the top inner wall of slot (7) has guiding hole (18), the inside activity of guiding hole (18) is pegged graft and is had guide pillar (19), the inside of guiding hole (18) is provided with spring (24) that are located guide pillar (19) top.
5. The charging unit according to claim 4, characterized in that supporting legs (5) are welded on the outer wall of the bottom of the charging cabinet body (1) and are uniformly distributed, and the bottom of the supporting legs (5) is connected with adjusting legs (6) through threads.
6. The charging unit according to claim 5, wherein a charging unit body (4) is arranged on the bottom inner wall of the charging cabinet body (1), mounting lugs (10) are welded on the outer walls of two sides of the charging unit body (4), a connecting groove (11) is formed in the outer wall of the top of each mounting lug (10), a connecting column (14) is welded on the bottom inner wall of the charging cabinet body (1), a cam (12) is hinged to the top of each connecting column (14) through a shaft, a reinforcing plate (13) is integrally formed on the outer wall of one side of each cam (12), each connecting column (14) is located inside the corresponding connecting groove (11), a gasket (15) is sleeved on the outer portion of each connecting column (14), and each gasket (15) is located between each cam (12) and each mounting lug (10).
7. The charging unit according to claim 6, characterized in that a rubber gasket (17) is bonded to the bottom of the gasket (15), and the rubber gasket (17) is sleeved outside the connecting column (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222137906.0U CN218276138U (en) | 2022-08-15 | 2022-08-15 | Charging emergency protection circuit and charging unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222137906.0U CN218276138U (en) | 2022-08-15 | 2022-08-15 | Charging emergency protection circuit and charging unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218276138U true CN218276138U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222137906.0U Active CN218276138U (en) | 2022-08-15 | 2022-08-15 | Charging emergency protection circuit and charging unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218276138U (en) |
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2022
- 2022-08-15 CN CN202222137906.0U patent/CN218276138U/en active Active
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