CN209029954U - A kind of self-shield low-tension supply - Google Patents
A kind of self-shield low-tension supply Download PDFInfo
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- CN209029954U CN209029954U CN201822018870.8U CN201822018870U CN209029954U CN 209029954 U CN209029954 U CN 209029954U CN 201822018870 U CN201822018870 U CN 201822018870U CN 209029954 U CN209029954 U CN 209029954U
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Abstract
The utility model discloses a kind of self-shield low-tension supply, including using circuit, power-off protection circuit and alarm circuit, the use circuit includes input interface, switching circuit 1, charging circuit, battery, switching circuit 2, pressure stabilizing discharge circuit and output interface, the input interface is connect with switching circuit 1, switching circuit 1 connects charging circuit, the input terminal of charging circuit connection battery, the output end connection switch circuit 2 of battery, switching circuit 2 connects pressure stabilizing discharge circuit, pressure stabilizing discharge circuit is connect with output interface, the utility model can carry out power-off protection and warning reminding automatically, safety coefficient is high, high degree of automation.
Description
Technical field
The utility model relates to mobile communication fields, and in particular to a kind of self-shield low-tension supply.
Background technique
The internal electric source of pressure common power supply is often without any safeguard measure, and often low-tension supply is used in some important
Circuit in, low-tension supply go wrong such as short circuit, electric leakage even explosion can badly damaged low-tension supply itself set with other
It is standby therefore necessary to low-tension supply progress power-off protection and accident alarming.
Chinese Patent Application No.: 201720020444.0 disclose a kind of low-tension supply, include lithium battery, li-ion cell protection
Module, decompression charge management module, step-up discharge module, input interface and the output interface for exporting low voltage；It should
Lithium battery protection module connects lithium battery, and the decompression charge management module and step-up discharge module are all connected with li-ion cell protection mould
Block, input interface connection decompression charge management module, output interface connect step-up discharge module.By using lithium battery, match
Closing can charge to lithium battery using lithium battery protection module, decompression charge management module and input interface, and cooperation utilizes lithium
Battery protection module, step-up discharge module and output interface can discharge to lithium battery, realize low pressure output, so that
This product can be repeated several times use, reduce use cost, and be not in leakage electrolyte using lithium battery, production pollution
It is small.
Summary of the invention
It, can be by setting power-off protection circuit the purpose of this utility model is to provide a kind of self-shield low-tension supply
Battery go wrong such as short circuit, electric leakage even expand when, the charging and discharging circuit of battery is broken, while being arranged and alarming back
Road makes battery alarm while going wrong and carrying out open circuit protection, reminds maintenance personnel's processing, the utility model
Power-off protection and warning reminding can be carried out automatically, and safety coefficient is high, high degree of automation.
A kind of self-shield low-tension supply, including circuit, power-off protection circuit and alarm circuit are used, it is described to be wrapped using circuit
Input interface, switching circuit 1, charging circuit, battery, switching circuit 2, pressure stabilizing discharge circuit and output interface are included, it is described defeated
Incoming interface is connect with switching circuit 1, and switching circuit 1 connects charging circuit, and charging circuit connects the input terminal of battery, battery
Output end connection switch circuit 2, switching circuit 2 connects pressure stabilizing discharge circuit, and pressure stabilizing discharge circuit connect with output interface；Make
It is normal performance loop with circuit.
The power-off protection circuit includes current detection module, temperature detecting module, pressure detecting module and control module,
The current detection module, pressure detecting module and temperature detecting module are fixedly installed on the shell of battery, the electric power storage
Pond is connect with pressure detecting module, current detection module and temperature detecting module respectively, and the battery is wrapped with one layer of guarantor
Shield, the pressure sensor in the pressure detecting module is between battery and protective cover；
The pressure detecting module, current detection module and temperature detecting module are connect with control module, the control mould
Block is connect with switching circuit 1 and switching circuit 2 respectively, and battery is pressure detecting module, current detection module, temperature detection mould
Block and control module energy supply, the on-off of control module control switch circuit 1 and switching circuit 2；
The alarm circuit includes battery, switching circuit 2, alarm, switching circuit 1 and charging circuit, the electric power storage
Pond is connect with switching circuit 2, and switching circuit 2 is connect with alarm, and alarm is connect with switching circuit 1 again, and switching circuit 1 passes through
Charging circuit is connect with battery, wherein, in alarm circuit powered-down road 1 normally closed using switching circuit 1 in circuit and switching circuit 2
It is normally opened with switching circuit 2.
It can not be worked at the same time using circuit and alarm circuit, but powered-down road 1 and the closure of switching circuit 2 then make in alarm circuit
It is disconnected with switching circuit 1 in circuit and switching circuit 2, vice versa.
Preferably, the temperature detecting module uses thermistor temperature sensor.
Preferably, the current detection module uses DC leakage flow sensor.
Preferably, the output interface is USB output interface.
Preferably, the battery includes but are not limited to lithium ion battery, nickel-cadmium cell.
Utility model has the advantages that it is such as short to be gone wrong in battery by setting power-off protection circuit
When road, electric leakage even expand, the charging and discharging circuit of battery is broken, while alarm circuit is set, battery is being asked
Topic alarm while open circuit protection, reminds maintenance personnel's processing, and the utility model can carry out power-off protection automatically
And warning reminding, safety coefficient is high, high degree of automation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device；
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the present invention is further explained.
As shown in Figure 1, a kind of self-shield low-tension supply, including circuit, power-off protection circuit and alarm circuit are used, it is described
It the use of circuit include that input interface, switching circuit 1, charging circuit, battery, switching circuit 2, pressure stabilizing discharge circuit and output connect
Mouthful, the input interface is connect with switching circuit 1, and switching circuit 1 connects charging circuit, and charging circuit connects the input of battery
End, the output end connection switch circuit 2 of battery, switching circuit 2 connect pressure stabilizing discharge circuit, and pressure stabilizing discharge circuit connects with output
Mouth connection；
The power-off protection circuit includes current detection module, temperature detecting module, pressure detecting module and control module,
The current detection module, pressure detecting module and temperature detecting module are fixedly installed on the shell of battery, the electric power storage
Pond is connect with pressure detecting module, current detection module and temperature detecting module respectively, and the battery is wrapped with one layer of guarantor
Shield, the pressure sensor in the pressure detecting module is between battery and protective cover；
The pressure detecting module, current detection module and temperature detecting module are connect with control module, the control mould
Block is connect with switching circuit 1 and switching circuit 2 respectively, and battery is pressure detecting module, current detection module, temperature detection mould
Block and control module energy supply, the on-off of control module control switch circuit 1 and switching circuit 2；
Setting power-off protection circuit can be when battery goes wrong such as short circuit, electric leakage even expansion, by battery
Charging and discharging circuit break.
The alarm circuit includes battery, switching circuit 2, alarm, switching circuit 1 and charging circuit, the electric power storage
Pond is connect with switching circuit 2, and switching circuit 2 is connect with alarm, and alarm is connect with switching circuit 1 again, and switching circuit 1 passes through
Charging circuit is connect with battery, wherein, in alarm circuit powered-down road 1 normally closed using switching circuit 1 in circuit and switching circuit 2
It is normally opened with switching circuit 2.
Setting alarm circuit makes battery alarm while going wrong and carrying out open circuit protection, reminds maintenance people
Member's processing.
The temperature detecting module uses thermistor temperature sensor.
The current detection module uses DC leakage flow sensor.
The output interface is USB output interface.
The battery includes but are not limited to lithium ion battery, nickel-cadmium cell.
Specific embodiment and principle:
Battery inside low-tension supply is in carrying out charge and discharge process, in fact it could happen that various accidents, such as appearance electric leakage,
Short circuit even expansion explosion, when battery leaks electricity, the current detection module being mounted on battery cell case can pass through
DC leakage flow sensor detects that trigger signal connects to control module, control module after current detection module detects electric leakage
Control switch circuit 1 and switching circuit 2 disconnect the charge circuit and discharge loop of low-tension supply, while control switch after the collection of letters number
Circuit 1 and switching circuit 2 are closed alarm circuit, trigger alarm equipment alarm；
When short circuit occurs in battery, short circuit causes battery to heat up, and temperature detecting module can pass through thermistor-type
Temperature sensor detects, after temperature detecting module detects that battery temp is excessively high, by trigger signal to control module, control
Module receives the charge circuit and discharge loop of control switch circuit 1 and the disconnection low-tension supply of switching circuit 2 after signal, same to time control
Switching circuit 1 and switching circuit 2 processed are closed alarm circuit, trigger alarm equipment alarm；
When battery expands, pressure sensor is triggered between battery and protective cover, pressure detecting module
By trigger signal to control module, control module receives control switch circuit 1 and switching circuit 2 after signal and disconnects low-tension supply
Charge circuit and discharge loop, while control switch circuit 1 and switching circuit 2 are closed alarm circuit, trigger alarm equipment alarm；
Based on above-mentioned, the utility model by setting power-off protection circuit can battery go wrong such as short circuit,
When electric leakage even expands, the charging and discharging circuit of battery is broken, while alarm circuit is set, battery is being gone wrong
Carry out open circuit protection while alarm, remind maintenance personnel processing, the utility model can carry out automatically power-off protection and
Warning reminding, safety coefficient is high, high degree of automation.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (5)
1. a kind of self-shield low-tension supply, which is characterized in that described including using circuit, power-off protection circuit and alarm circuit
It the use of circuit include that input interface, switching circuit 1, charging circuit, battery, switching circuit 2, pressure stabilizing discharge circuit and output connect
Mouthful, the input interface is connect with switching circuit 1, and switching circuit 1 connects charging circuit, and charging circuit connects the input of battery
End, the output end connection switch circuit 2 of battery, switching circuit 2 connect pressure stabilizing discharge circuit, and pressure stabilizing discharge circuit connects with output
Mouth connection；
The power-off protection circuit includes current detection module, temperature detecting module, pressure detecting module and control module, described
Current detection module, pressure detecting module and temperature detecting module are fixedly installed on the shell of battery, the battery point
It not being connect with pressure detecting module, current detection module and temperature detecting module, the battery is wrapped with one layer of protective cover,
Pressure sensor in the pressure detecting module is between battery and protective cover；
The pressure detecting module, current detection module and temperature detecting module are connect with control module, the control module point
Do not connect with switching circuit 1 and switching circuit 2, battery be pressure detecting module, current detection module, temperature detecting module and
Control module energy supply, the on-off of control module control switch circuit 1 and switching circuit 2；
The alarm circuit includes battery, switching circuit 2, alarm, switching circuit 1 and charging circuit, the battery with
Switching circuit 2 connects, and switching circuit 2 is connect with alarm, and alarm is connect with switching circuit 1 again, and switching circuit 1 passes through charging
Circuit is connect with battery, powered-down road 1 and is opened wherein normally closed using switching circuit 1 in circuit and switching circuit 2, in alarm circuit
Powered-down road 2 is normally opened.
2. a kind of self-shield low-tension supply according to claim 1, it is characterised in that: the temperature detecting module is using heat
Quick resistance temperature detector.
3. a kind of self-shield low-tension supply according to claim 1, it is characterised in that: the current detection module is using straight
Flow leakage current sensor.
4. a kind of self-shield low-tension supply according to claim 1, it is characterised in that: the output interface is USB output
Interface.
5. a kind of self-shield low-tension supply according to claim 1, it is characterised in that: the battery includes but not only limits
In lithium ion battery, nickel-cadmium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018870.8U CN209029954U (en) | 2018-12-04 | 2018-12-04 | A kind of self-shield low-tension supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018870.8U CN209029954U (en) | 2018-12-04 | 2018-12-04 | A kind of self-shield low-tension supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029954U true CN209029954U (en) | 2019-06-25 |
Family
ID=66910910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822018870.8U Expired - Fee Related CN209029954U (en) | 2018-12-04 | 2018-12-04 | A kind of self-shield low-tension supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029954U (en) |
-
2018
- 2018-12-04 CN CN201822018870.8U patent/CN209029954U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 Termination date: 20201204 |