CN205355440U - Adapter plug with overheat protection - Google Patents
Adapter plug with overheat protection Download PDFInfo
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- CN205355440U CN205355440U CN201520992422.1U CN201520992422U CN205355440U CN 205355440 U CN205355440 U CN 205355440U CN 201520992422 U CN201520992422 U CN 201520992422U CN 205355440 U CN205355440 U CN 205355440U
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Abstract
The utility model relates to a socket technical field especially relates to an adapter plug with overheat protection. The utility model discloses a casing, the inside PCB board that is equipped with of casing, the PCB board is equipped with female the end and repeater circuit of pegging graft, and female end of pegging graft is connected with the repeater circuit electricity, and repeater circuit includes switch circuit and the control by temperature change circuit that is used for controlling the adapter plug foreign work, and switch circuit is connected with female end electricity of pegging graft, female end of pegging graft is connected with main temperature sensing unit, and main temperature sensing unit is connected with control by temperature change circuit electricity, and the control by temperature change circuit is connected with the switch circuit electricity, and the control by temperature change circuit is according to the sensing signal control switch circuit's of main temperature sensing unit break -make. The utility model discloses a female end sets up main temperature sensing unit and set up the control by temperature change circuit on the PCB board pegging graft to make adapter plug can play overheat protection.
Description
Technical field
This utility model relates to jack technology field, particularly relates to a kind of multi-tap with overtemperature protection.
Background technology
Wall is inserted in use, especially its jack limited amount, it is often necessary to rank with insert row, extends jack, in order to more electrical equipment uses；Along with market development, occur in that multi-tap, extend jack by multi-tap, substitute insert row to reduce the cost of extension jack.Multi-tap in use, is connected by grafting male end and wall are slotting, and internal grafting female end is connected with appliance plug；Grafting female end often and carries out Plug Action between plug, it is easy to causing its internal grafting female end to be bent outwardly, grafting female end is bad with the blade contact of appliance plug, and contact resistance increases, thus causing caloric value bigger；Secondly the jack of combination hub compares concentration, it is easy to cause internal temperature too high, affects it and uses.
Summary of the invention
The purpose of this utility model is in that to solve the deficiencies in the prior art, it is provided that a kind of multi-tap with overtemperature protection, can effectively prevent multi-tap temperature too high, protects multi-tap.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is:
A kind of multi-tap with overtemperature protection; including housing; enclosure interior is provided with pcb board; pcb board is provided with grafting female end and built-up circuit; grafting female end electrically connects with built-up circuit; built-up circuit includes the on-off circuit for controlling multi-tap foreign work and temperature control circuit; on-off circuit electrically connects with grafting female end; described grafting female end is connected to main temperature sensing unit; main temperature sensing unit electrically connects with temperature control circuit; temperature control circuit electrically connects with on-off circuit, the temperature control circuit break-make according to the actuated signal control on-off circuit of main temperature sensing unit.
Preferably, being provided with multiple secondary temperature sensing unit in housing, secondary temperature sensing unit all electrically connects with temperature control circuit.
Further, built-up circuit includes power circuit, and power circuit provides power supply to on-off circuit, temperature control circuit respectively；Temperature control circuit includes processor, and described main temperature sensing unit includes temperature sensing circuit, and temperature sensing circuit includes the bleeder circuit between outfan and ground being series at power circuit, and bleeder circuit includes divider resistance and the critesistor of series connection；The link of divider resistance and critesistor is connected with processor signal input part signal, and the signal output part of processor electrically connects with on-off circuit.
Further, built-up circuit includes two outlet lines, and on-off circuit includes switch portion and control portion, and switch portion is series at wherein in an outlet line, and described control portion is connected with the signal output part signal of described processor.
Further, control portion includes solenoid and the switching tube of series connection, and control portion is series at one of power circuit between outfan and ground, and the end that controls of switching tube is connected with the signal output part signal of described processor.
Further, built-up circuit also includes the anti-surge circuit for being connected with incoming line, and incoming line includes input live wire, input zero line and input ground wire, and anti-surge circuit includes the first varistor unit being connected between input live wire and input zero line；It is connected to the second varistor unit and the 3rd varistor unit between input live wire, input zero line and input electric wire.
Further, described power circuit includes rectification chip and DC-DC chip.
Multi-tap the invention have the benefit that this utility model is by arranging main temperature sensing unit in grafting female end and arranging temperature control circuit on pcb board, so that can play overtemperature protection.
Accompanying drawing explanation
Fig. 1 is a kind of anti-surge protection circuit schematic diagram of the present utility model.
Fig. 2 is a kind of power circuit schematic diagram of the present utility model.
Fig. 3 is a kind of temperature control circuit schematic diagram of the present utility model.
Fig. 4 is a kind of temperature sensing circuit schematic diagram of the present utility model.
Fig. 5 is a kind of on-off circuit schematic diagram of the present utility model.
Detailed description of the invention
Below the present invention is described further.
Embodiment 1: referring to Fig. 1 to Fig. 5.
A kind of multi-tap with overtemperature protection; including housing; enclosure interior is provided with pcb board; pcb board is provided with grafting female end and built-up circuit; grafting female end electrically connects with built-up circuit; built-up circuit includes the on-off circuit for controlling multi-tap foreign work and temperature control circuit; on-off circuit electrically connects with grafting female end; described grafting female end is connected to main temperature sensing unit; main temperature sensing unit electrically connects with temperature control circuit; temperature control circuit electrically connects with on-off circuit, the temperature control circuit break-make according to the actuated signal control on-off circuit of main temperature sensing unit.
The technical program is in use: multi-tap is connected by grafting male end and wall are slotting, and grafting male end electrically connects with pcb board as power input；On pcb board, temperature control circuit is by main temperature sensing unit detection internal temperature, the temperature of especially grafting female end；When temperature is too high exceed predetermined value time, temperature control circuit control on-off circuit disconnect, block grafting female end supplying power for outside；Thus reaching effective temperature protection effect.Secondly, grafting female end is connected to main temperature sensing unit, it is possible to the fastest place that directly temperature risen senses, to ensure that the response time quick, is rapidly performed by temperature protection.Here the connection between main temperature sensing unit and grafting female end is only thermally coupled, and without electrical connection；Connected by heat-conducting insulation material.
Preferably, being provided with multiple secondary temperature sensing unit in housing, secondary temperature sensing unit all electrically connects with temperature control circuit.
Multiple secondary temperature sensing unit is set in housing, and is distributed in the place that caloric value is bigger, be conducive to the temperature in monitoring housing.Secondary temperature sensing unit is the same with the structure of main temperature sensing unit.Main temperature sensing unit, secondary temperature sensing unit can be temperature sensor, it is also possible to for critesistor.
Further, built-up circuit includes power circuit, and power circuit provides power supply to on-off circuit, temperature control circuit respectively；Referring to Fig. 3, Fig. 4, temperature control circuit includes processor, described main temperature sensing unit includes temperature sensing circuit, and temperature sensing circuit includes the bleeder circuit between outfan and ground being series at power circuit, and bleeder circuit includes divider resistance and the critesistor of series connection；The link of divider resistance and critesistor is connected with processor signal input part signal, and the signal output part of processor electrically connects with on-off circuit.
Processor can be single-chip microcomputer, CPU, MCU and IC；For prior art.Power circuit can be prior art, by rectification circuit, DC-DC circuit, generates the supply voltage required for other circuit.
Further, built-up circuit includes two outlet lines, and on-off circuit includes switch portion and control portion, and switch portion is series at wherein in an outlet line, it is preferred to live wire outlet line；Described control portion is connected with the signal output part signal of described processor.
On-off circuit can switch for various control, is controlled the break-make of switch portion by control portion.Easy to operate, implement simple.Here two outlet lines refer specifically to: live wire and zero line；When specifically applying, uncontrolled and with input the zero line of the zero line of output is connected.
Referring to Fig. 5, further, control portion includes solenoid and the switching tube of series connection, and control portion is series at one of power circuit between outfan and ground, and the end that controls of switching tube is connected with the signal output part signal of described processor.
By controlling the break-make of switching tube, thus reaching to control the loop break-make in control portion, and then reach the break-make in make-and-break control switch portion by controlling solenoid.The switch of switch portion constitutes electromagnetic switch or electromagnetic relay with solenoid.Switching tube can be metal-oxide-semiconductor, audion etc..
Referring to Fig. 1, further, built-up circuit also includes the anti-surge circuit for being connected with incoming line, and incoming line includes input live wire, input zero line and input ground wire, and anti-surge circuit includes the first varistor unit being connected between input live wire and input zero line；It is connected to the second varistor unit and the 3rd varistor unit between input live wire, input zero line and input electric wire.
It is respectively equipped with varistor unit, thus effectively preventing surge between 3 circuits of input.
First, second and third varistor unit can be several varistors of series connection, several varistors in parallel, it is also possible to for single varistor.As it is shown in figure 1, the first varistor unit is made up of two varistors in parallel.
Referring to Fig. 2, further, described power circuit includes rectification chip and DC-DC chip.
The input of rectification chip is connected with the alternating current circuit of incoming line, the input power of the out-put supply of the rectification chip power supply as the control portion of on-off circuit and DC-DC chip, the output voltage power supply of DC-DC chip is as the power supply of main temperature sensing unit, temperature control circuit.
Rectification chip and DC-DC chip are all existing chip.Rectification chip can be IR1167, DC-DC chip can be ACT4513ASH.
Below being only the preferred embodiment of the application, equivalent technical solutions on this basis still falls within application protection domain.
Claims (6)
1. a multi-tap with overtemperature protection, including housing, enclosure interior is provided with pcb board, pcb board is provided with grafting female end and built-up circuit, grafting female end electrically connects with built-up circuit, it is characterized in that: built-up circuit includes the on-off circuit for controlling multi-tap foreign work and temperature control circuit, on-off circuit electrically connects with grafting female end, described grafting female end is connected to main temperature sensing unit, main temperature sensing unit electrically connects with temperature control circuit, temperature control circuit electrically connects with on-off circuit, the temperature control circuit break-make according to the actuated signal control on-off circuit of main temperature sensing unit.
2. a kind of multi-tap with overtemperature protection according to claim 1, it is characterised in that: being provided with multiple secondary temperature sensing unit in housing, secondary temperature sensing unit all electrically connects with temperature control circuit.
3. a kind of multi-tap with overtemperature protection according to claim 1, it is characterised in that: built-up circuit includes power circuit, and power circuit provides power supply to on-off circuit, temperature control circuit respectively；Temperature control circuit includes processor, and described main temperature sensing unit includes temperature sensing circuit, and temperature sensing circuit includes the bleeder circuit between outfan and ground being series at power circuit, and bleeder circuit includes divider resistance and the critesistor of series connection；The link of divider resistance and critesistor is connected with processor signal input part signal, and the signal output part of processor electrically connects with on-off circuit.
4. a kind of multi-tap with overtemperature protection according to claim 3; it is characterized in that: built-up circuit includes two outlet lines; on-off circuit includes switch portion and control portion; switch portion is series at wherein in an outlet line, and described control portion is connected with the signal output part signal of described processor.
5. a kind of multi-tap with overtemperature protection according to claim 4; it is characterized in that: control portion includes solenoid and the switching tube of series connection; control portion is series at one of power circuit between outfan and ground, and the end that controls of switching tube is connected with the signal output part signal of described processor.
6. a kind of multi-tap with overtemperature protection according to claim 1; it is characterized in that: built-up circuit also includes the anti-surge circuit for being connected with incoming line; incoming line includes input live wire, input zero line and input ground wire, and anti-surge circuit includes the first varistor unit being connected between input live wire and input zero line；It is connected to the second varistor unit and the 3rd varistor unit between input live wire, input zero line and input electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992422.1U CN205355440U (en) | 2015-12-04 | 2015-12-04 | Adapter plug with overheat protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992422.1U CN205355440U (en) | 2015-12-04 | 2015-12-04 | Adapter plug with overheat protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355440U true CN205355440U (en) | 2016-06-29 |
Family
ID=56152494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520992422.1U Active CN205355440U (en) | 2015-12-04 | 2015-12-04 | Adapter plug with overheat protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834310A (en) * | 2017-11-10 | 2018-03-23 | 深圳市华思通科技有限公司 | A kind of antioverloading overtemperature prote socket |
-
2015
- 2015-12-04 CN CN201520992422.1U patent/CN205355440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834310A (en) * | 2017-11-10 | 2018-03-23 | 深圳市华思通科技有限公司 | A kind of antioverloading overtemperature prote socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 longan industrial zone, Humen Town, Guangdong, Dongguan Patentee after: Guangdong Liansheng Conduction Technology Co., Ltd. Address before: 523920 No. 56 Industrial Road, longan village, Humen Town, Guangdong, Dongguan Patentee before: Dongguan Unirise Wire & Cable Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Adapter plug with overheat protection Effective date of registration: 20180521 Granted publication date: 20160629 Pledgee: Bank of Dongguan Limited by Share Ltd Humen branch Pledgor: Guangdong Liansheng Conduction Technology Co., Ltd. Registration number: 2018440000127 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200617 Granted publication date: 20160629 Pledgee: Bank of Dongguan Limited by Share Ltd. Humen branch Pledgor: GUANGDONG UNIRISE CONDUCTION TECHNOLOGY Co.,Ltd. Registration number: 2018440000127 |