CN202586257U - Hot-swap protection system - Google Patents
Hot-swap protection system Download PDFInfo
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- CN202586257U CN202586257U CN 201220169766 CN201220169766U CN202586257U CN 202586257 U CN202586257 U CN 202586257U CN 201220169766 CN201220169766 CN 201220169766 CN 201220169766 U CN201220169766 U CN 201220169766U CN 202586257 U CN202586257 U CN 202586257U
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- current detection
- detection module
- protection system
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Abstract
The utility model discloses a hot-swap protection system, comprising an external switch, a power supply module, a connection port and a current detection module for detecting current consumption of the connection port. The current detection module is connected with the power supply module. Compared with the prior art, by adding the current detection module provided by the utility model, the hot-swap protection system can continuously detect current consumption of the power supply module of the corresponding connection port under a power-on status. When the detected current is lower than certain proportion of normal current consumption of products, the current detection module controls the power supply module to stop supplying for the port. Generation of the hot-swap status can be effectively avoided, thereby prolonging life of apparatuses, devices and products.
Description
Technical field
The utility model relates to a kind of hot-plug protection system.
Background technology
Hot plug is a warm swap, is meant the process that a certain electronic device is inserted in the charging equipment or from charging equipment, takes out a certain electronic device.In the process of hot plug, common meeting produces a bigger electric current and voltage in moment, and the phenomenon that static discharges also possibly occur, and the overcurrent that produces, transient voltage and static release all can bring infringement to electronic device or charging equipment.On the other hand; In many control system, electronic device is connected through the corresponding connectivity port with equipment of the connecting line that a lot of pins are arranged usually, in the hot plug process; If connecting line has part to tilt; In pin-pitch hour, be prone to cause short circuit between pin, burn the situation of electronic device or equipment.
Exactly because also above-mentioned reason; At present general instrument, equipment vendors require the user cannot carry out hot plug usually; Avoiding damaging instrument, equipment and product etc., but in actual the use, unavoidably have the hot plug situation because of the unconscious operation of personnel or button are malfunctioning etc. and take place; Thereby cause damage of product, scrap, even instrument and equipment damages.The present invention is mainly through improving the instrument and equipment control circuit; Under the start situation, constantly detect corresponding connectivity port power module power consumption stream; When detected electric current is lower than the normal power consumption stream of product certain proportion; The control power module stops can effectively to avoid the generation of hot plug situation to this port power supply.
Present most of electronic equipment, instrument etc. all do not have practicality, prevent hot plug design reliably, and because of under the situations such as the unconscious operation of user, maloperation or button be malfunctioning, hot plug unavoidably still can take place so in practice.Possibly produce big electric current, transient voltage and static release etc. in the hot plug process, maybe instrument and equipment and product be caused damage like this; In addition, when the connecting line pin-pitch from hour, have crookedly when inserting connector slightly like connecting line, promptly possibly cause the pin short circuit and burn instrument and equipment or product.
Usually the connection of instrument and equipment power module is as shown in Figure 1, and when external switch was opened, power module began the connectivity port power supply when external switch is closed, is then stopped the connectivity port being supplied power.Power module inside can be provided with inner shutdown unit, and external switch is connected with inner shutdown unit.Can exist above-mentioned switch not close under the situation like this because of artificial leakage or switch fault etc.; Power module continues the connectivity port is supplied power; When access product or instrument, equipment etc. once more; Because power supply does not cut off the power supply, be hot plug operations, possibly therefore cause to be connected product or instrument, device damage.
The utility model content
In order to overcome the defective of prior art, the utility model discloses a kind of hot-plug protection system, it constantly detects corresponding connectivity port power module power consumption stream through increasing by a current detection module under the start situation; When detected electric current was lower than the normal power consumption stream of product certain proportion, current detection module control power module stopped can effectively to avoid the generation of hot plug situation, and then prolonging instrument and equipment and life of product to this port power supply.
The technical scheme of the utility model is following:
A kind of hot-plug protection system comprises external switch, power module, connectivity port, is used to detect the current detection module that the connectivity port power consumption is flowed, and said current detection module is connected with power module.
Preferably, said power module comprises inner shutdown unit, and said current detection module is connected with inner shutdown unit.
Preferably, said power module also comprises the current output unit that is used for to connectivity port output power consumption stream.
Preferably, said current detection module further comprises power consumption stream detecting unit, control unit; Said power consumption stream detecting unit is connected with control unit; Said power consumption stream detecting unit is connected with above-mentioned current output unit; Said control unit is connected with above-mentioned inner shutdown unit.
Compared with prior art, the beneficial effect of the utility model is following:
The utility model constantly detects corresponding connectivity port power module power consumption stream through increasing by a current detection module under the start situation; When detected electric current was lower than the normal power consumption stream of product certain proportion, current detection module control power module stopped can effectively to avoid the generation of hot plug situation, and then prolonging instrument and equipment and life of product to this port power supply.
Description of drawings
Fig. 1 is that the circuit of prior art circuits module connects sketch map;
Fig. 2 is the structural representation of a kind of hot-plug protection system of the utility model specific embodiment;
Fig. 3 is that the inside of a kind of hot-plug protection system of the utility model specific embodiment connects sketch map.
Embodiment
The below combines accompanying drawing and specific embodiment that the utility model is done further description.
Embodiment
Like Fig. 2 and Fig. 3, a kind of hot-plug protection system 100 comprises external switch 10, power module 20, connectivity port 30, is used to detect the current detection module 40 that the connectivity port power consumption is flowed, and said current detection module 40 is connected with power module 20.
Wherein, power module 20 further comprises inner shutdown unit 201, is used for the current output unit 202 to connectivity port 30 output power consumption streams.Current detection module 40 is connected with inner shutdown unit 201.
In the present embodiment, current detection module 40 further comprises power consumption stream detecting unit 401, control unit 402; Power consumption stream detecting unit 401 is connected with control unit 402; Power consumption stream detecting unit 401 is connected with above-mentioned current output unit 202; Control unit 402 is connected with above-mentioned inner shutdown unit 201.
The current detection module corresponding electrical circuits of the utility model can be any type of testing goal current detection circuit of the present invention that reaches.Under the start situation, constantly detect corresponding connectivity port power module power consumption stream, when detected electric current is lower than the normal power consumption stream of product certain proportion (setting according to actual needs), the control power module stops to this port power supply.
The below is the course of work that example specifies the utility model specific embodiment with operate as normal and hot drawing situation:
When the instrument and equipment operate as normal, because of being arranged, product inserts, and the power consumption stream that power consumption stream detecting unit 401 detects current output unit 202 input connectivity ports 30 is higher than set point, instrument and equipment operate as normal, i.e. 20 pairs of these connectivity port 30 continued powers of power module.
When hot drawing takes place; Be product because of personnel's misoperation or other reasons when instrument and equipment breaks away from; Power consumption stream detecting unit 401 detects connectivity port 30 power consumptions and flows when being lower than set point; It is input to control unit 402 to corresponding signal, and the inner shutdown of control unit 402 controls unit 201 stops 30 power supplies of electric power source pair of module connectivity port.As user once more during access product, because of device interior has stopped to this connectivity port power supply, thereby avoided hot slotting situation to take place, play the effect of protection instrument and equipment and product.
The utility model constantly detects corresponding connectivity port power module power consumption stream through increasing by a current detection module under the start situation; When detected electric current was lower than the normal power consumption stream of product certain proportion, current detection module control power module stopped can effectively to avoid the generation of hot plug situation, and then prolonging instrument and equipment and life of product to this port power supply.
The utility model preferred embodiment just is used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and is merely described embodiment.Obviously, according to the content of this specification, can do a lot of modifications and variation.These embodiment are chosen and specifically described to this specification, is principle and practical application in order to explain the utility model better, thereby person skilled can be utilized the utility model well under making.The utility model only receives the restriction of claims and four corner and equivalent.More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection range.
Claims (4)
1. a hot-plug protection system comprises external switch, power module, connectivity port, it is characterized in that, also comprises the current detection module that is used to detect connectivity port power consumption stream, and said current detection module is connected with power module.
2. hot-plug protection system according to claim 1 is characterized in that, said power module comprises inner shutdown unit, and said current detection module is connected with inner shutdown unit.
3. hot-plug protection system according to claim 2 is characterized in that, said power module also comprises the current output unit that is used for to connectivity port output power consumption stream.
4. hot-plug protection system according to claim 3 is characterized in that, said current detection module further comprises power consumption stream detecting unit, control unit; Said power consumption stream detecting unit is connected with control unit; Said power consumption stream detecting unit is connected with above-mentioned current output unit; Said control unit is connected with above-mentioned inner shutdown unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169766 CN202586257U (en) | 2012-04-20 | 2012-04-20 | Hot-swap protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169766 CN202586257U (en) | 2012-04-20 | 2012-04-20 | Hot-swap protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586257U true CN202586257U (en) | 2012-12-05 |
Family
ID=47255625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220169766 Expired - Fee Related CN202586257U (en) | 2012-04-20 | 2012-04-20 | Hot-swap protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586257U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316598A (en) * | 2017-08-14 | 2017-11-03 | 南京中电熊猫平板显示科技有限公司 | A kind of hot plug fault control device and method |
| CN109066627A (en) * | 2017-08-21 | 2018-12-21 | 福州福大海矽微电子有限公司 | Have the protection circuit for hot plug detection port of HPD and ESD concurrently |
| CN111131588A (en) * | 2019-12-30 | 2020-05-08 | 上海闻泰电子科技有限公司 | Testing device |
| CN114389247A (en) * | 2022-01-17 | 2022-04-22 | 苏州联讯仪器有限公司 | Hot plug protection device, method, equipment and medium |
-
2012
- 2012-04-20 CN CN 201220169766 patent/CN202586257U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316598A (en) * | 2017-08-14 | 2017-11-03 | 南京中电熊猫平板显示科技有限公司 | A kind of hot plug fault control device and method |
| CN109066627A (en) * | 2017-08-21 | 2018-12-21 | 福州福大海矽微电子有限公司 | Have the protection circuit for hot plug detection port of HPD and ESD concurrently |
| CN111131588A (en) * | 2019-12-30 | 2020-05-08 | 上海闻泰电子科技有限公司 | Testing device |
| CN114389247A (en) * | 2022-01-17 | 2022-04-22 | 苏州联讯仪器有限公司 | Hot plug protection device, method, equipment and medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20160420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |