CN206250789U - UPS power safety circuit - Google Patents
UPS power safety circuit Download PDFInfo
- Publication number
- CN206250789U CN206250789U CN201621207132.2U CN201621207132U CN206250789U CN 206250789 U CN206250789 U CN 206250789U CN 201621207132 U CN201621207132 U CN 201621207132U CN 206250789 U CN206250789 U CN 206250789U
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- CN
- China
- Prior art keywords
- resistance
- transport
- placing device
- circuit
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of ups power safety circuit, including charger, batteries, inverter, transformer, over-current detection circuit, output circuit and controller, the output end of the charger is connected with batteries, the signal of the output end output of the batteries is successively through inverter, exported after transformer and output circuit, the controller is connected with charger and inverter respectively, current signal in the over-current detection circuit collection charger, and the current signal transfer that the over-current detection circuit will be gathered is to controller, the over-current detection circuit, including Hall current sensor and amplifying circuit, exported to controller after the amplified circuit of current signal of the Hall current sensor collection.Solve the problems, such as that electric current damages ups power.
Description
Technical field
The utility model is related to electronic circuit field, more particularly to a kind of ups power safety circuit.
Background technology
At present, ups power, is that battery is connected with main frame, by modular circuits such as main frame inverters by direct current
It is converted into the system equipment of civil power.It is mainly used in single computer, computer network system or other power electronic equipments such as
Magnetic valve, pressure transmitter etc. provide stabilization, continual supply of electric power.When civil power input is normal, ups power is steady by civil power
It is supplied to load to use after pressure, while also being charged to self-contained battery；When commercial power interruption, ups power is immediately by the direct current of battery
Electric energy, continues to supply 220V alternating currents by the square normal load of the switch transition of inversion zero, load is maintained normal work and is protected
Shield load soft and hardware is without damage.And existing ups power is present because charging current is excessive, asking for ups power infringement is caused
Topic.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide ups power safety circuit, and it can be solved
Certainly electric current damages the problem of ups power.
The purpose of this utility model is realized using following technical scheme：
A kind of ups power safety circuit, including it is charger, batteries, inverter, transformer, over-current detection circuit, defeated
Go out circuit and controller, the output end of the charger is connected with batteries, the output end output of the batteries
Signal is exported after inverter, transformer and output circuit successively, and the controller is connected with charger and inverter respectively, institute
The current signal in over-current detection circuit collection charger is stated, and the current signal transfer that the over-current detection circuit will be gathered extremely is controlled
Device processed, the over-current detection circuit, including Hall current sensor and amplifying circuit, the electricity of the Hall current sensor collection
Exported to controller after the stream amplified circuit of signal, the amplifying circuit, including transport and placing device A1, transport and placing device A2 and transport and placing device A3,
Resistance R1 connects with the inverting input of transport and placing device A1, and resistance R2 connects with the in-phase input end of transport and placing device A1, transport and placing device A1's
The in-phase input end of series resistance R3 between the output end of inverting input and transport and placing device A1, transport and placing device A1 is defeated with transport and placing device A1
Go out between holding and be sequentially connected in series resistance R4, resistance R7 and electric capacity C1, the in-phase input end of the transport and placing device A1 is same with transport and placing device A2
Electric capacity is sequentially connected in series between the output end of series resistance R4 between phase input, transport and placing device A1 and the inverting input of transport and placing device A2
The in-phase input end and transport and placing device of series resistance R5 between the inverting input and ground of C1 and resistance R6, transport and placing device A2, transport and placing device A2
Resistance R8 and resistance R10, series electrical between the in-phase input end and ground of transport and placing device A3 are sequentially connected in series between the in-phase input end of A3
Resistance R12, series resistance R9 between the output end of transport and placing device A2 and the inverting input of transport and placing device A3, the anti-phase input of transport and placing device A3
The output end of series resistance R11 between end and the output end of transport and placing device A3, transport and placing device A3 is the output end of amplifying circuit.
Preferably, the resistance R1 is 1K Ω, and the resistance R2 is 1K Ω, and the resistance R3 is 316K Ω, the resistance
R4 is 316K Ω, and the resistance R5 is 10K Ω, and the resistance R6 is 100 Ω, and the resistance R7 is for 10K Ω, the resistance R8
10K Ω, the resistance R9 are for 100K Ω, the resistance R12 for 1K Ω, the resistance R11 for 1K Ω, the resistance R10
100KΩ。
Preferably, the electric capacity C1 is 5 μ F.
Compared to existing technology, the beneficial effects of the utility model are：
The technical program, over-current detection circuit is set by ups power safety circuit, and charging current is examined
Survey, when detecting electric current and being excessive, controller sends commands to charger, and charging current is entered by the shunt current of charger
Row shunting, solves the problems, such as that electric current damages ups power.
Brief description of the drawings
Fig. 1 is the ES of ups power safety circuit described in the utility model；
Fig. 2 is the electronic circuitry of amplifying circuit described in the utility model.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：
As shown in figure 1, a kind of ups power safety circuit, including charger, batteries, inverter, transformer, excessively stream
Detection circuit, output circuit and controller, the output end of charger are connected with batteries, the output end output of batteries
Signal exported after inverter, transformer and output circuit successively, controller is connected with charger and inverter respectively, excessively stream
Current signal in detection circuit collection charger, and the current signal transfer that the over-current detection circuit will be gathered is to controller,
Over-current detection circuit, including Hall current sensor and amplifying circuit, the current signal of Hall current sensor collection are amplified
Exported after circuit to controller, amplifying circuit as shown in Fig. 2 including transport and placing device A1, transport and placing device A2 and transport and placing device A3, resistance R1 with
The inverting input series connection of transport and placing device A1, resistance R2 connects with the in-phase input end of transport and placing device A1, the anti-phase input of transport and placing device A1
Series resistance R3 between end and the output end of transport and placing device A1, between the in-phase input end of transport and placing device A1 and the output end of transport and placing device A1
Resistance R4, resistance R7 and electric capacity C1 are sequentially connected in series, between the in-phase input end of transport and placing device A1 and the in-phase input end of transport and placing device A2
Electric capacity C1 and resistance R6 is sequentially connected in series between the output end of series resistance R4, transport and placing device A1 and the inverting input of transport and placing device A2,
The in-phase input end of series resistance R5 between the inverting input and ground of transport and placing device A2, transport and placing device A2 and the homophase input of transport and placing device A3
Resistance R8 and resistance R10, series resistance R12, transport and placing device between the in-phase input end and ground of transport and placing device A3 are sequentially connected in series between end
The inverting input of series resistance R9 between the output end of A2 and the inverting input of transport and placing device A3, transport and placing device A3 and transport and placing device A3
Output end between series resistance R11, the output end of transport and placing device A3 is the output end of amplifying circuit.
Preferably, resistance R1 is 1K Ω, and resistance R2 is 1K Ω, and resistance R3 is 316K Ω, and resistance R4 is 316K Ω, resistance R5
It is 10K Ω, resistance R6 is 100 Ω, and resistance R7 is 10K Ω, and resistance R8 is 10K Ω, and resistance R9 is 1K Ω, and resistance R10 is 1K Ω,
Resistance R11 is 100K Ω, and resistance R12 is 100K Ω.
Electric capacity C1 is 5 μ F.
The input of charger is electrically connected with city.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (3)
1. a kind of ups power safety circuit, it is characterised in that including charger, batteries, inverter, transformer, excessively stream inspection
Slowdown monitoring circuit, output circuit and controller, the output end of the charger are connected with batteries, the output of the batteries
Hold output signal successively after inverter, transformer and output circuit export, the controller respectively with charger and inversion
Device is connected, the current signal in the over-current detection circuit collection charger, and the electric current letter that the over-current detection circuit will be gathered
Number transmit to controller, the over-current detection circuit, including Hall current sensor and amplifying circuit, the Hall current sensing
Device collection the amplified circuit of current signal after export to controller, the amplifying circuit, including transport and placing device A1, transport and placing device A2 and
Transport and placing device A3, resistance R1 connects with the inverting input of transport and placing device A1, and resistance R2 connects with the in-phase input end of transport and placing device A1, fortune
Put series resistance R3 between the inverting input of device A1 and the output end of transport and placing device A1, the in-phase input end and amplifier of transport and placing device A1
The in-phase input end and amplifier of resistance R4, resistance R7 and electric capacity C1, the transport and placing device A1 are sequentially connected in series between the output end of device A1
Between the output end of series resistance R4 between the in-phase input end of device A2, transport and placing device A1 and the inverting input of transport and placing device A2 successively
Series resistance R5 between the inverting input and ground of series capacitance C1 and resistance R6, transport and placing device A2, the in-phase input end of transport and placing device A2
Resistance R8 and resistance R10, in-phase input end and the ground of transport and placing device A3 are sequentially connected in series and the in-phase input end of transport and placing device A3 between
Between series resistance R12, series resistance R9 between the output end of transport and placing device A2 and the inverting input of transport and placing device A3, transport and placing device A3's
The output end of series resistance R11 between the output end of inverting input and transport and placing device A3, transport and placing device A3 is the output of amplifying circuit
End.
2. ups power safety circuit according to claim 1, it is characterised in that the resistance R1 is 1K Ω, the resistance
R2 is for 10K Ω, the resistance R6 for 316K Ω, the resistance R5 for 316K Ω, the resistance R4 for 1K Ω, the resistance R3
100 Ω, the resistance R7 are 10K Ω, and the resistance R8 is 10K Ω, and the resistance R9 is 1K Ω, and the resistance R10 is 1K Ω,
The resistance R11 is 100K Ω, and the resistance R12 is 100K Ω.
3. ups power safety circuit according to claim 1, it is characterised in that the electric capacity C1 is 5 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621207132.2U CN206250789U (en) | 2016-11-09 | 2016-11-09 | UPS power safety circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621207132.2U CN206250789U (en) | 2016-11-09 | 2016-11-09 | UPS power safety circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250789U true CN206250789U (en) | 2017-06-13 |
Family
ID=59000036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621207132.2U Expired - Fee Related CN206250789U (en) | 2016-11-09 | 2016-11-09 | UPS power safety circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250789U (en) |
-
2016
- 2016-11-09 CN CN201621207132.2U patent/CN206250789U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510000 the 1902 unit of room 1901, room 1901, Longkou East Road, Tianhe District, Guangzhou, Tianhe District Patentee after: Hao Yuan group Limited by Share Ltd Address before: 510000 Guangzhou City, Guangzhou, Guangdong, Tianhe District Longkou East Road, No. 34, room 1101, self compiled 1110 units Patentee before: Guangzhou Hao Yuan Power Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20201109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |