CN203434603U - Uninterrupted power source control module - Google Patents
Uninterrupted power source control module Download PDFInfo
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- CN203434603U CN203434603U CN201320468380.2U CN201320468380U CN203434603U CN 203434603 U CN203434603 U CN 203434603U CN 201320468380 U CN201320468380 U CN 201320468380U CN 203434603 U CN203434603 U CN 203434603U
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Abstract
The utility model discloses an uninterrupted power source control module, comprising a switch voltage stabilizing source circuit in connection with an external power source; a driving amplification circuit, a reference voltage stabilizing circuit and a CPU which are powered by the switch voltage stabilizing source circuit; and a current detection amplification circuit, an output voltage detection feedback circuit, a commercial power input detection feedback circuit and a startup and shutdown signal circuit which have the output terminals respectively connected to the input terminal of the CPU. The output terminal of the CPU and the input terminal of the driving amplification circuit are in connection through SPWM wave signals. According to the utility model, the current detection amplification circuit is used for detecting the current of the power pipe or the ICBT module of an uninterrupted power source in real time; when the current is too heavy, the CUP controls the SPWM waves and modulates pulse width time or shuts off driving signal pulse width to prevent the power pipe or the ICBT module from generating heavy current impact, thereby protecting the power pipe or the IGBT module, avoiding damaging the uninterrupted power source by burning and raising the stability and security.
Description
Technical field
The utility model relates to a kind of uninterrupted power supply control module.
Background technology
At present; uninterrupted power supply is very easy to occur damaging when output excess load or short circuit; but in use; output excess load or short circuit are unavoidable, and short circuit current is very big, and existing uninterrupted power supply is owing to there is no constant current and fast protection circuit; under the impact of large electric current; the power tube of uninterrupted power supply or IGBT module easily burn out, and cause uninterrupted power supply directly to damage, and bring hidden danger to stability and the fail safe of uninterrupted power supply.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of uninterrupted power supply control module, and it can protect uninterrupted power supply can not be burned when output excess load or short circuit, has improved stability and the fail safe of uninterrupted power supply.
For achieving the above object, the technical solution adopted in the utility model is: uninterrupted power supply control module, comprising: the Type of Switch Stabilivolt Source Circuit being connected with external power source; The drive amplification circuit, reference voltage-stabilizing circuit, the CPU that by Type of Switch Stabilivolt Source Circuit, are powered; The current detecting amplifying circuit that output is connected with the input of CPU respectively, output voltage detect feedback circuit, civil power input detects feedback circuit, switching on and shutting down signal circuit; Between the input of the output of described CPU and drive amplification circuit, by SPWM pulse regulation ripple signal, be connected.
Wherein, also comprise the battery detection circuit that output is connected with the input of CPU.
Wherein, also comprise the temperature protection circuit that output is connected with the input of CPU.
Wherein, also comprise the oscillating circuit that output is connected with the input of CPU.
Wherein, also comprise the load detecting circuit that output is connected with the input of CPU.
A kind of uninterrupted power supply control module that the utility model is set forth, its beneficial effect is: compared with prior art, the utility model detects the power tube of uninterrupted power supply or the operating current of IGBT module in real time by current detecting amplifying circuit, when the electric current of power tube or IGBT module is excessive, CPU controls SPWM pulse regulation ripple, time or shutoff by modulation pulsewidth drive signal pulsewidth to make power tube or IGBT module there will not be heavy current impact, thereby protection power tube or IGBT module, realize the object that uninterrupted power supply can not be burned when output excess load or short circuit, stability and the fail safe of uninterrupted power supply have been improved.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of the utility model embodiment.
Description of reference numerals:
1, Type of Switch Stabilivolt Source Circuit; 2, drive amplification circuit; 3, reference voltage-stabilizing circuit; 4, CPU; 5, current detecting amplifying circuit; 6, output voltage detects feedback circuit; 7, civil power input detects feedback circuit; 8, switching on and shutting down signal circuit; 9, battery detection circuit; 10, temperature protection circuit; 11, oscillating circuit; 12, load detecting circuit.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.
Please refer to shown in Fig. 1, it has demonstrated the concrete structure of the utility model preferred embodiment, uninterrupted power supply control module, comprise: the Type of Switch Stabilivolt Source Circuit 1 being connected with external power source, the drive amplification circuit 2 of being powered by Type of Switch Stabilivolt Source Circuit 1, reference voltage-stabilizing circuit 3, CPU4, the current detecting amplifying circuit 5 that output is connected with the input of CPU4 respectively, output voltage detects feedback circuit 6, civil power input detects feedback circuit 7, switching on and shutting down signal circuit 8, battery detection circuit 9, temperature protection circuit 10, oscillating circuit 11 and load detecting circuit 12.
Between the input of the output of described CPU4 and drive amplification circuit 2, by SPWM pulse regulation ripple signal, be connected.Described load detecting circuit 12 is for receiving load signal and sending load signal to CPU4, described current detecting amplifying circuit 5 is for detecting in real time the power tube of uninterrupted power supply or the operating current of IGBT module and sending current signal to CPU4, described output voltage detects feedback circuit 6 for receiving output voltage signal and sending output voltage signal to CPU4, described civil power input detects feedback circuit 7 for receiving line voltage signal and sending this signal to CPU4, described switching on and shutting down signal circuit 8 is for receiving external switch machine signal and sending external switch machine signal to CPU4.
During use; current detecting amplifying circuit 5 detects the power tube of uninterrupted power supply or the operating current of IGBT module in real time; and send current signal to CPU4; when the operating current of power tube or IGBT module is excessive; CPU4 controls SPWM pulse regulation ripple; time or shutoff by modulation pulsewidth drive signal pulsewidth to make power tube or IGBT module there will not be heavy current impact; thereby protection power tube or IGBT module; realize the object that uninterrupted power supply can not be burned when output excess load or short circuit, the stability and the fail safe that have improved uninterrupted power supply.
The above, it is only the utility model preferred embodiment, not technical scope of the present utility model is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. uninterrupted power supply control module, is characterized in that, comprising:
The Type of Switch Stabilivolt Source Circuit being connected with external power source;
The drive amplification circuit, reference voltage-stabilizing circuit, the CPU that by Type of Switch Stabilivolt Source Circuit, are powered;
The current detecting amplifying circuit that output is connected with the input of CPU respectively, output voltage detect feedback circuit, civil power input detects feedback circuit, switching on and shutting down signal circuit;
Between the input of the output of described CPU and drive amplification circuit, by SPWM pulse regulation ripple signal, be connected.
2. uninterrupted power supply control module according to claim 1, is characterized in that: also comprise the battery detection circuit that output is connected with the input of CPU.
3. uninterrupted power supply control module according to claim 1, is characterized in that: also comprise the temperature protection circuit that output is connected with the input of CPU.
4. uninterrupted power supply control module according to claim 1, is characterized in that: also comprise the oscillating circuit that output is connected with the input of CPU.
5. uninterrupted power supply control module according to claim 1, is characterized in that: also comprise the load detecting circuit that output is connected with the input of CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468380.2U CN203434603U (en) | 2013-08-01 | 2013-08-01 | Uninterrupted power source control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468380.2U CN203434603U (en) | 2013-08-01 | 2013-08-01 | Uninterrupted power source control module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434603U true CN203434603U (en) | 2014-02-12 |
Family
ID=50063621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320468380.2U Expired - Fee Related CN203434603U (en) | 2013-08-01 | 2013-08-01 | Uninterrupted power source control module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765431A (en) * | 2019-01-08 | 2019-05-17 | 科华恒盛股份有限公司 | Resistance measuring circuit, temperature sensing circuit and charging gun |
-
2013
- 2013-08-01 CN CN201320468380.2U patent/CN203434603U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765431A (en) * | 2019-01-08 | 2019-05-17 | 科华恒盛股份有限公司 | Resistance measuring circuit, temperature sensing circuit and charging gun |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20190801 |