CN209267178U - Power module, circuit board and electric power internet-of-things terminal - Google Patents
Power module, circuit board and electric power internet-of-things terminal Download PDFInfo
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- CN209267178U CN209267178U CN201822276488.7U CN201822276488U CN209267178U CN 209267178 U CN209267178 U CN 209267178U CN 201822276488 U CN201822276488 U CN 201822276488U CN 209267178 U CN209267178 U CN 209267178U
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Abstract
A kind of power module, circuit board and electric power internet-of-things terminal, power module include: energization input, battery, the first reduction voltage circuit, the second reduction voltage circuit, third reduction voltage circuit, first voltage output end, second voltage output end and tertiary voltage output end；Energization input is connect with the input terminal of the first reduction voltage circuit, the output end of first reduction voltage circuit is connect with first voltage output end, the output end of first reduction voltage circuit is also connect with the input terminal of third reduction voltage circuit, the output end of third reduction voltage circuit is connect with tertiary voltage output end, battery is connect with the input terminal of the second reduction voltage circuit, the output end of second reduction voltage circuit is connect with second voltage output end, and the output end of the second reduction voltage circuit is also connect with the input terminal of third reduction voltage circuit.Above-mentioned power module can export using different power supply modes and from different voltage output ends different voltage, to increase the using flexible of power module and reduce the structure complexity and cost of circuit board.
Description
Technical field
The utility model relates to electronic circuit technology fields, more particularly to a kind of power module, circuit board and electric power object
Networked terminals.
Background technique
As technology of Internet of things is in the application of power industry, there is the product of more and more electric power internet-of-things terminals.
In order to work normally electric power internet-of-things terminal, need to provide operating voltage using to electric power internet-of-things terminal.In order to realize electricity
The function of road internet-of-things terminal in the circuit board that electric power internet-of-things terminal uses, is integrated with the module of multiple and different functions, wherein
It is provided with power module, to give the module for power supply of other different function.And the work of module different in electric power internet-of-things terminal
Voltage is different, since existing power module circuitry structure is simple, it is therefore desirable to using multiple and different power modules to provide
Different voltage comes structure complexity and cost that circuit board is increased to different module for power supply.
Utility model content
Based on this, it is necessary to the power module circuitry structure used for the circuit board of electric power internet-of-things terminal is simple, because
This needs to power to provide different voltage to the disparate modules of circuit board using multiple and different power modules, increases electricity
The problem of structure complexity and cost of road plate, provides a kind of power module, circuit board and electric power internet-of-things terminal.
A kind of power module, comprising: energization input, battery, the first reduction voltage circuit, the second reduction voltage circuit, third decompression
Circuit, first voltage output end, second voltage output end and tertiary voltage output end；
The energization input is connect with the input terminal of first reduction voltage circuit, the output end of first reduction voltage circuit
It is connect with the first voltage output end, input terminal of the output end of first reduction voltage circuit also with the third reduction voltage circuit
Connection, the output end of the third reduction voltage circuit are connect with the tertiary voltage output end, the battery and second decompression
The input terminal of circuit connects, and the output end of second reduction voltage circuit is connect with the second voltage output end, second drop
The output end of volt circuit is also connect with the input terminal of the third reduction voltage circuit.
The power module further includes switching circuit and charging control circuit, the battery in one of the embodiments,
It is connect by the switching circuit with the input terminal of second reduction voltage circuit, the battery also passes through the switching circuit and institute
The output end connection of charging control circuit is stated, the input terminal of the charging control circuit is connect with the energization input.
The switching circuit includes singly opening double control switch in one of the embodiments,；
The battery is connect with the moved end for singly opening double control switch, the input terminal and the list of second reduction voltage circuit
It opens the first non-moving end connection of double control switch, the output end of the charging control circuit and described singly opens the second of double control switch not
Moved end connection.
First reduction voltage circuit includes the first voltage stabilizing chip, first voltage stabilizing chip in one of the embodiments,
Input terminal connect as the input terminal of first reduction voltage circuit with the energization input, first voltage stabilizing chip it is defeated
Outlet as first reduction voltage circuit output end respectively with the first voltage output end and the third reduction voltage circuit
Input terminal connection.
Second reduction voltage circuit includes the second voltage stabilizing chip, second voltage stabilizing chip in one of the embodiments,
Input terminal connect as the input terminal of second reduction voltage circuit with the battery, the output end of second voltage stabilizing chip is made
For the output end input terminal with the second voltage output end and the third reduction voltage circuit respectively of second reduction voltage circuit
Connection.
Second reduction voltage circuit includes zener diode in one of the embodiments, and the zener diode is just
Pole is connect as the input terminal of second reduction voltage circuit with the battery, and the cathode of the zener diode is as described second
The output end of reduction voltage circuit is connect with the input terminal of the second voltage output end and the third reduction voltage circuit respectively.
The third reduction voltage circuit includes third voltage stabilizing chip in one of the embodiments, the third voltage stabilizing chip
Input terminal as the third reduction voltage circuit input terminal respectively with the output end of first reduction voltage circuit and described second
The output end of reduction voltage circuit connects, output end and institute of the output end of the third voltage stabilizing chip as the third reduction voltage circuit
State the connection of tertiary voltage output end.
The power module further includes filter circuit in one of the embodiments, and the battery passes through the filtered electrical
Road is connect with the input terminal of second reduction voltage circuit.
A kind of circuit board, including power module described in circuit board body and any embodiment as above, the power module
It is integrally disposed in the circuit board body.
A kind of electric power internet-of-things terminal, including circuit board described in any embodiment as above.
Above-mentioned power module, circuit board and electric power internet-of-things terminal pass through setting energization input, battery, the first decompression
Circuit, the second reduction voltage circuit, third reduction voltage circuit, first voltage output end, second voltage output end and tertiary voltage output end,
On the one hand, the mode directly powered of external power supply can be used, external power supply is passed through the by the voltage that energization input input
The effect of one reduction voltage circuit and third reduction voltage circuit is respectively from the first electricity of first voltage output end and the output of tertiary voltage output end
Pressure and tertiary voltage, on the other hand, it is possible to use battery powered mode, the voltage that battery is provided pass through the second reduction voltage circuit
Effect with third reduction voltage circuit exports tertiary voltage from second voltage output end and tertiary voltage output end respectively, also can
Different voltage can be exported using different power supply modes and from different voltage output ends, to increase power module
Using flexible and the structure complexity and cost for reducing circuit board.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of the power module of an embodiment of the present invention；
Fig. 2 is the modular structure schematic diagram of the power module of another embodiment of the utility model；
Fig. 3 is the electrical block diagram of the charging control circuit of an embodiment of the present invention；
Fig. 4 is the electrical block diagram of the switching circuit of an embodiment of the present invention；
Fig. 5 is the electrical block diagram of first reduction voltage circuit of an embodiment of the present invention；
Fig. 6 is the electrical block diagram of second reduction voltage circuit of an embodiment of the present invention；
Fig. 7 is the electrical block diagram of the third reduction voltage circuit of an embodiment of the present invention.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
In one embodiment, the utility model provides a kind of power module, as shown in Figure 1, the power module includes:
Energization input 110, battery 120, the first reduction voltage circuit 210, the second reduction voltage circuit 220, the 230, first electricity of third reduction voltage circuit
Press output end 310, second voltage output end 320 and tertiary voltage output end 330；The energization input 110 and described first
The input terminal of reduction voltage circuit 210 connects, and the output end of first reduction voltage circuit 210 and the first voltage output end 310 connect
It connects, the output end of first reduction voltage circuit 210 is also connect with the input terminal of the third reduction voltage circuit 230, the third drop
The output end of volt circuit 230 is connect with the tertiary voltage output end 330, the battery 120 and second reduction voltage circuit 220
Input terminal connection, the output end of second reduction voltage circuit 220 connect with the second voltage output end 320, described second
The output end of reduction voltage circuit 220 is also connect with the input terminal of the third reduction voltage circuit 230.Institute in one of the embodiments,
Stating energization input is 5V adapter power supply output end.The voltage of the i.e. described energization input input is the 5V that 5V adapter provides
Voltage.
Above-mentioned power module is dropped by setting energization input, battery, the first reduction voltage circuit, the second reduction voltage circuit, third
Volt circuit, first voltage output end, second voltage output end and tertiary voltage output end, on the one hand, can be used external power supply straight
External power supply is passed through the first reduction voltage circuit and third reduction voltage circuit by the voltage that energization input inputs by the mode for connecing power supply
Effect respectively from first voltage output end and tertiary voltage output end output first voltage and tertiary voltage, on the other hand,
Battery powered mode can be used, the voltage that battery is provided is distinguished by the effect of the second reduction voltage circuit and third reduction voltage circuit
Tertiary voltage is exported from second voltage output end and tertiary voltage output end, it also can be using different power supply mode and can
Different voltage is exported from different voltage output ends, to increase the using flexible of power module and reduce circuit
The structure complexity and cost of plate.
In order to be charged the battery by energization input, in one of the embodiments, as shown in Fig. 2, the electricity
Source module further includes switching circuit 130 and charging control circuit 140, the battery 120 by the switching circuit 130 with it is described
The input terminal of second reduction voltage circuit 220 connects, and the battery 120 also passes through the switching circuit 130 and the charge control electricity
The output end on road 140 connects, and the input terminal of the charging control circuit 140 is connect with the energization input 110.
In one of the embodiments, as shown in figure 3, the charging control circuit 140 includes charge controlling chip U8, institute
State output end and the switching circuit of the battery terminal connections BAT as the charging control circuit 140 of charge controlling chip U8
130 connections, the chip of the charge controlling chip U8 begin can input terminal CE as the charging control circuit 140 input terminal with
The energization input 110 connects, the input voltage positive input terminal of the charge controlling chip U8 also with the energization input
110 connections.In the present embodiment, the charging control circuit 140 further includes the peripheral circuit of charge controlling chip U8, charge control
The common knowledge for being designed as this field of the peripheral circuit of chip U8, details are not described herein.
In order to control battery selection power supply or charging, in one of the embodiments, as shown in figure 4, the switching circuit
130 include singly opening double control switch SW1；The battery 120 is connect with the moved end for singly opening double control switch SW1, second drop
The input terminal of volt circuit 220 is connect with first non-moving end for singly opening double control switch SW1, the charging control circuit 140
Output end is connect with second non-moving end for singly opening double control switch SW1.In this way, can control battery in no external electricity of access
Output end output voltage is connected when source to other module for power supply, connects energization input when having access external power supply
It charges the battery.
In one of the embodiments, as shown in figure 4, the power module further includes filter circuit 121, the battery
120 are connect by the filter circuit 121 with the input terminal of second reduction voltage circuit 220.
In one of the embodiments, as shown in figure 4, the battery 120 is singly opened by the filter circuit 121 with described
The first non-moving end of double control switch SW1 connects, and the input terminal of second reduction voltage circuit 220 singly opens double control switch SW1 with described
The connection of the first non-moving end, the output end of the charging control circuit 140 and second non-moving end for singly opening double control switch SW1
Connection.In the present embodiment, filter circuit is the common knowledge of this field, and details are not described herein.
It is in one of the embodiments, as shown in figure 5, described in order to obtain stable voltage by the first reduction voltage circuit
First reduction voltage circuit 210 includes the input terminal of the first voltage stabilizing chip U7, the first voltage stabilizing chip U7 as first decompression
The input terminal of circuit 210 is connect with the energization input 110, and the output end of the first voltage stabilizing chip U7 is as described first
The output end of reduction voltage circuit 210 connects with the input terminal of the first voltage output end 310 and the third reduction voltage circuit 230 respectively
It connects.By using the first voltage stabilizing chip, so that the voltage that energization input provides is defeated from first voltage by the first reduction voltage circuit
After outlet output, stable voltage can be obtained.In the present embodiment, the voltage of first voltage output end output is 3.7V.
In one of the embodiments, referring to Fig. 5, first reduction voltage circuit 210 further includes zener diode
D4 and zener diode D5, the input terminal of the first voltage stabilizing chip U7 pass through the zener diode D4 and the supply input
110 connection of end, and the anode of the zener diode D4 is connect with the energization input 110, the zener diode D4's
Cathode is connect with the input terminal of the first voltage stabilizing chip U7, and the output end of the first voltage stabilizing chip U7 passes through the pressure stabilizing two
Pole pipe D5 is connect with the input terminal of the first voltage output end 310 and the third reduction voltage circuit 230 respectively, and the pressure stabilizing
Diode D5 anode connect with the output end of the first voltage stabilizing chip U7, the cathode of the zener diode D5 respectively with institute
State the input terminal connection of first voltage output end 310 and the third reduction voltage circuit 230.In the present embodiment, first pressure stabilizing
Chip U7 is the chip of model MIC29302.In the present embodiment, first reduction voltage circuit 210 further includes the first voltage stabilizing chip
The peripheral circuit of U7, the common knowledge for being designed as this field of the peripheral circuit of the first voltage stabilizing chip U7, details are not described herein.
In order to obtain stable voltage by the second reduction voltage circuit, second decompression is electric in one of the embodiments,
Road includes the second voltage stabilizing chip, the input terminal of second voltage stabilizing chip as second reduction voltage circuit input terminal with it is described
The output end of battery connection, second voltage stabilizing chip is electric with described second respectively as the output end of second reduction voltage circuit
Pressure output end is connected with the input terminal of the third reduction voltage circuit.By using the second voltage stabilizing chip, so that the electricity that battery provides
Pressure can obtain stable voltage after the second reduction voltage circuit is from the output of second voltage output end.In the present embodiment, the second electricity
The voltage for pressing output end output is 3.5V.
In order to obtain stable voltage by the second reduction voltage circuit, in another embodiment, as shown in fig. 6, described
Two reduction voltage circuits 220 include zener diode D3, and the anode of the zener diode D3 is as second reduction voltage circuit 220
Input terminal is connect with the battery 120, output end of the cathode of the zener diode D3 as second reduction voltage circuit 220
It is connect respectively with the input terminal of the second voltage output end 320 and the third reduction voltage circuit 230.By using two pole of pressure stabilizing
Pipe D3, so that the voltage that battery provides can obtain stable after the second reduction voltage circuit is from the output of second voltage output end
Voltage.In the present embodiment, the voltage of second voltage output end output is 3.5V.
It is in one of the embodiments, as shown in fig. 7, described in order to obtain stable voltage by the first reduction voltage circuit
Third reduction voltage circuit 230 includes third voltage stabilizing chip VR1, and the input terminal of the third voltage stabilizing chip VR1 is dropped as the third
The output with the output end of first reduction voltage circuit 210 and second reduction voltage circuit 220 respectively of the input terminal of volt circuit 230
End connection, output end and third electricity of the output end of the third voltage stabilizing chip VR1 as the third reduction voltage circuit 230
Output end 330 is pressed to connect.By using third voltage stabilizing chip VR1, so that the voltage that provides of energization input or battery is by the
Three reduction voltage circuits can obtain stable voltage after the output of tertiary voltage output end.In the present embodiment, tertiary voltage output end
The voltage of output is 3.3V.In the present embodiment, the third voltage stabilizing chip VR1 is the chip of model XC6206P332MR.This
In embodiment, the third reduction voltage circuit further includes the peripheral circuit of third voltage stabilizing chip VR1, and third voltage stabilizing chip VR1's is outer
The common knowledge for being designed as this field of circuit is enclosed, details are not described herein.
In one embodiment, the utility model also provides a kind of circuit board, the circuit board include circuit board body and
Power module described in any embodiment as above, the power module are integrally disposed in the circuit board body.
The circuit board of the present embodiment, can be using different power supply mode and can be never by the way that above-mentioned power module is arranged
Same voltage output end exports different voltage, to increase the using flexible of power module and reduce circuit board
Structure complexity and cost.
The circuit board further includes Anneta module, indicator light, communication module, main control module in one of the embodiments,
And input/output module, the Anneta module, the indicator light, the communication module, the main control module and the input are defeated
Module is integrally disposed in respectively in the circuit board body out, the Anneta module, the indicator light, the communication module, institute
State main control module and the input/output module respectively with the first voltage output end, the second voltage output end and described
One of connection in tertiary voltage output end.
In one embodiment, the utility model also provides a kind of electric power internet-of-things terminal, the electric power internet-of-things terminal
Including circuit board described in any embodiment as above.
Electric power internet-of-things terminal in one embodiment, opening initialization detect SIM card state and NB communication module
After state, mobile NB-IOT (Narrow Band Internet of Things, the narrowband Internet of Things) network of Active Registration.Stablize
The information of timing acquiring particular sensor after operation, packing is dealt into long-range UDP server-side after arranging encryption, while receiving long-range
It is executed after the director data parsing that UDP server-side issues.According to different system modes when system is run, indicator light display is corresponded to
Mode.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of power module, which is characterized in that the power module include: energization input, battery, the first reduction voltage circuit,
Second reduction voltage circuit, third reduction voltage circuit, first voltage output end, second voltage output end and tertiary voltage output end；
The energization input is connect with the input terminal of first reduction voltage circuit, the output end of first reduction voltage circuit and institute
The connection of first voltage output end is stated, the output end of first reduction voltage circuit also connects with the input terminal of the third reduction voltage circuit
It connects, the output end of the third reduction voltage circuit is connect with the tertiary voltage output end, the battery and the second decompression electricity
The input terminal on road connects, and the output end of second reduction voltage circuit is connect with the second voltage output end, second decompression
The output end of circuit is also connect with the input terminal of the third reduction voltage circuit.
2. power module according to claim 1, which is characterized in that the power module further includes switching circuit and charging
Control circuit, the battery are connect by the switching circuit with the input terminal of second reduction voltage circuit, and the battery is also logical
It crosses the switching circuit to connect with the output end of the charging control circuit, the input terminal of the charging control circuit and the confession
Electrical input connection.
3. power module according to claim 2, which is characterized in that the switching circuit includes singly opening double control switch；
The battery is connect with the moved end for singly opening double control switch, the input terminal and the Dan Kaishuan of second reduction voltage circuit
The first non-moving end connection of control switch, the output end of the charging control circuit and second non-moving end for singly opening double control switch
Connection.
4. power module according to claim 1, which is characterized in that first reduction voltage circuit includes the first pressure stabilizing core
The input terminal of piece, first voltage stabilizing chip is connect as the input terminal of first reduction voltage circuit with the energization input,
The output end of first voltage stabilizing chip as first reduction voltage circuit output end respectively with the first voltage output end
And the input terminal connection of the third reduction voltage circuit.
5. power module according to claim 1, which is characterized in that second reduction voltage circuit includes the second pressure stabilizing core
The input terminal of piece, second voltage stabilizing chip is connect as the input terminal of second reduction voltage circuit with the battery, and described
The output end of two voltage stabilizing chips as second reduction voltage circuit output end respectively with the second voltage output end and described
The input terminal of third reduction voltage circuit connects.
6. power module according to claim 1, which is characterized in that second reduction voltage circuit includes zener diode,
The anode of the zener diode is connect as the input terminal of second reduction voltage circuit with the battery, the zener diode
Cathode as second reduction voltage circuit output end respectively with the second voltage output end and the third reduction voltage circuit
Input terminal connection.
7. power module according to claim 1, which is characterized in that the third reduction voltage circuit includes third pressure stabilizing core
Piece, the input terminal of the third voltage stabilizing chip as the third reduction voltage circuit input terminal respectively with first reduction voltage circuit
Output end connected with the output end of second reduction voltage circuit, the output end of the third voltage stabilizing chip is dropped as the third
The output end of volt circuit is connect with the tertiary voltage output end.
8. power module according to claim 1, which is characterized in that the power module further includes filter circuit, described
Battery is connect by the filter circuit with the input terminal of second reduction voltage circuit.
9. a kind of circuit board, which is characterized in that including circuit board body and such as power supply described in any item of the claim 1 to 8
Module, the power module are integrally disposed in the circuit board body.
10. a kind of electric power internet-of-things terminal, which is characterized in that including circuit board as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276488.7U CN209267178U (en) | 2018-12-28 | 2018-12-28 | Power module, circuit board and electric power internet-of-things terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276488.7U CN209267178U (en) | 2018-12-28 | 2018-12-28 | Power module, circuit board and electric power internet-of-things terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209267178U true CN209267178U (en) | 2019-08-16 |
Family
ID=67566174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822276488.7U Active CN209267178U (en) | 2018-12-28 | 2018-12-28 | Power module, circuit board and electric power internet-of-things terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209267178U (en) |
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2018
- 2018-12-28 CN CN201822276488.7U patent/CN209267178U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200929 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |