CN218301413U - Ultra-low power consumption gateway circuit - Google Patents
Ultra-low power consumption gateway circuit Download PDFInfo
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- CN218301413U CN218301413U CN202222404806.XU CN202222404806U CN218301413U CN 218301413 U CN218301413 U CN 218301413U CN 202222404806 U CN202222404806 U CN 202222404806U CN 218301413 U CN218301413 U CN 218301413U
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Abstract
The utility model relates to an industrial gateway technical field, an ultra-low power consumption gateway circuit is proposed, including microprocessor, external power source and DC/DC converting circuit, DC/DC converting circuit's input is connected to external power source, DC/DC converting circuit's output is the microprocessor power supply, still include first switch circuit, energy storage unit and energy storage judge the circuit, external power source passes through first switch circuit and connects DC/DC converting circuit's input, DC/DC converting circuit's output passes through energy storage unit and connects microprocessor, energy storage unit is connected to energy storage judge circuit's input, microprocessor is connected to energy storage judge circuit's output, microprocessor still connects first switch circuit's control end. Through the technical scheme, the problem of high power consumption of the gateway in the prior art is solved.
Description
Technical Field
The utility model relates to an industrial gateway technical field, it is specific, relate to an ultra-low power consumption gateway circuit.
Background
Along with the continuous development of industrial production, the industrial internet of things is divided into two components, namely a gateway and an industrial cloud platform, the cloud platform is a core operation platform of the industrial internet of things, and data, related report information and equipment parameters acquired by all industrial equipment are gathered and displayed on the industrial internet of things platform.
The gateway is mainly responsible for collecting relevant data, and information for completing data collection in parallel is transmitted to the industrial cloud platform. If the gateway is not used for completing the data acquisition process, the work of the industrial cloud platform lacks the support of data, and the work of the industrial Internet of things platform is meaningless without the support of data.
The gateway needs to use the power supply to supply power for the gateway when data acquisition is carried out, otherwise, the data acquisition cannot be completed, but in practical application, the gateway does not continuously carry out the data acquisition, and when the gateway does not need to carry out the data acquisition, if the power supply continuously works at the moment, the power consumption of the gateway can be increased. The gateway is heated when running in a high power consumption state, and the service life of the gateway is influenced after a long time.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ultra-low power consumption gateway circuit has solved the high problem of gateway consumption among the prior art.
The technical scheme of the utility model as follows:
the utility model provides an ultra-low power consumption gateway circuit, includes microprocessor, external power source and DC/DC converting circuit, external power source connects DC/DC converting circuit's input, DC/DC converting circuit's output does microprocessor supplies power, still includes first switch circuit, energy storage unit and energy storage judgement circuit, external power source passes through first switch circuit connects DC/DC converting circuit's input, DC/DC converting circuit's output passes through energy storage unit connects microprocessor, energy storage judgement circuit's input is connected the energy storage unit, energy storage judgement circuit's output is connected microprocessor, microprocessor still connects first switch circuit's control end.
Further, in the utility model discloses in first switch circuit includes field effect transistor Q1 and resistance R1, field effect transistor Q1's grid is connected microprocessor, field effect transistor Q1's source ground connection, field effect transistor Q1's drain electrode is connected resistance R1's first end, external power source is connected to resistance R1's second end, resistance R1's first end is connected DC/DC converting circuit's first input, resistance R1's second end is connected DC/DC converting circuit's second input.
Further, in the utility model discloses in the energy storage unit includes diode D1 and electric capacity C1, diode D1's positive pole is connected DC/DC converting circuit's output, diode D1's negative pole is connected electric capacity C1's first end, electric capacity C1's second end ground connection, electric capacity C1's first end is connected microprocessor.
Further, the utility model discloses in the energy storage judges that the circuit includes resistance R4, resistance R5 and comparator U1, vref reference voltage is connected to comparator U1's non inverting input, comparator U1's inverting input passes through resistance R4 ground connection, comparator U1's inverting input still passes through resistance R5 connects electric capacity C1's first end, comparator U1's output is connected microprocessor.
Further, the utility model discloses in microprocessor is connected with the acquisition unit, the feeder ear of acquisition unit passes through second switch circuit and connects DC/DC converting circuit's output, second switch circuit includes field effect transistor Q2 and resistance R2, field effect transistor Q2's grid is connected microprocessor, field effect transistor Q2's drain electrode is connected the feeder ear of acquisition unit, field effect transistor Q2's grid passes through resistance R2 connects field effect transistor Q2's source electrode, field effect transistor Q2's source electrode is connected DC/DC converting circuit's output.
Further, the utility model discloses in microprocessor is connected with wireless communication module, wireless communication module's feeder ear passes through third switch circuit and connects DC/DC converting circuit's output, third switch circuit includes field effect transistor Q3 and resistance R3, field effect transistor Q3's grid is connected microprocessor, field effect transistor Q3's drain electrode is connected wireless communication module's feeder ear, field effect transistor Q3's grid passes through resistance R3 connects field effect transistor Q3's source electrode, field effect transistor Q3's source electrode is connected DC/DC converting circuit's output.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses in, through set up the energy storage unit between DC/DC converting circuit and microprocessor, when DC/DC converting circuit during operation, microprocessor under for the low-power consumption state provides operating voltage to the certain electric energy of energy storage unit storage, microprocessor judges the electric energy surplus of circuit detection energy storage unit through the energy storage simultaneously, when being less than the setting value, the first switch circuit of control switches on, external power source charges to the energy storage unit through DC/DC converting circuit, after the completion of charging, microprocessor controls first switch circuit again and ends, avoid external power source's excessive consumption, the effect of low-power consumption has been realized.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.
Example 1
As shown in fig. 1, this embodiment provides an ultra-low power consumption gateway circuit, including microprocessor, external power supply and DC/DC conversion circuit, external power supply connects the input of DC/DC conversion circuit, the output of DC/DC conversion circuit is the microprocessor power supply, still include first switch circuit, energy storage unit and energy storage judgement circuit, external power supply passes through the input of first switch circuit connection DC/DC conversion circuit, the output of DC/DC conversion circuit passes through energy storage unit and connects microprocessor, energy storage unit is connected to the input of energy storage judgement circuit, microprocessor is connected to the output of energy storage judgement circuit, microprocessor still connects the control end of first switch circuit.
The external power supply is used for providing working power supply for the DC/DC conversion circuit; the first switch circuit is used for controlling the on and off of the DC/DC conversion circuit; the energy storage unit is used for storing electric energy, when the gateway does not need to carry out data acquisition, the gateway enters a dormant state, and when the gateway is in the dormant state, the energy storage unit is used as a power supply to supply power to the microprocessor; the energy storage judging circuit is used for judging the electric quantity residual condition of the energy storage unit, when the electric quantity of the energy storage unit is not enough to enable the microprocessor to work normally, the microprocessor sends a signal to the first switch circuit to enable the DC/DC conversion circuit to be conducted to charge and store energy for the energy storage unit, and the first switch circuit is disconnected until the energy storage unit is fully charged.
As shown in fig. 2, in this embodiment, the first switch circuit includes a field effect transistor Q1 and a resistor R1, a gate of the field effect transistor Q1 is connected to the microprocessor, a source of the field effect transistor Q1 is grounded, a drain of the field effect transistor Q1 is connected to a first end of the resistor R1, a second end of the resistor R1 is connected to the external power source, the first end of the resistor R1 is connected to a first input end of the DC/DC converter circuit, and the second end of the resistor R1 is connected to a second input end of the DC/DC converter circuit.
The first switch circuit is used for controlling on-off between the DC/DC conversion circuit and an external power supply, when the microprocessor detects that the electric energy allowance of the energy storage unit is sufficient through the energy storage judging circuit, the microprocessor sends a low level signal to a grid electrode of the field-effect tube Q1, the field-effect tube Q1 is cut off, a second input end of the DC/DC conversion circuit is in a high-resistance state, the DC/DC conversion circuit does not work, when the microprocessor detects that the electric energy allowance of the energy storage unit is insufficient through the energy storage judging circuit, the microprocessor sends a high level signal to the grid electrode of the field-effect tube Q1, the field-effect tube Q1 is conducted, the second input end of the DC/DC conversion circuit is grounded through the field-effect tube Q1, the DC/DC conversion circuit starts to work and charges the energy storage unit.
As shown in fig. 2, in this embodiment, the energy storage unit includes a diode D1 and a capacitor C1, an anode of the diode D1 is connected to the output terminal of the DC/DC conversion circuit, a cathode of the diode D1 is connected to the first terminal of the capacitor C1, a second terminal of the capacitor C1 is grounded, and the first terminal of the capacitor C1 is connected to the microprocessor.
The energy storage unit is composed of a diode D1 and a capacitor C1, the DC/DC conversion circuit works when the computer is started, the capacitor C1 is charged through the diode D1, meanwhile, the DC/DC conversion circuit supplies power to the microprocessor through the energy storage unit, when all units are in dormancy, the first switch circuit and the DC/DC conversion circuit stop working, at the moment, the electric quantity stored by the capacitor C1 can be used as a power supply of the microprocessor, and the microprocessor is enabled to be in a low-power-consumption working state.
As shown in fig. 2, the energy storage determining circuit in this embodiment includes a resistor R4, a resistor R5, and a comparator U1, wherein a non-inverting input terminal of the comparator U1 is connected to the Vref reference voltage, an inverting input terminal of the comparator U1 is grounded through the resistor R4, the inverting input terminal of the comparator U1 is further connected to the first end of the capacitor C1 through the resistor R5, and an output terminal of the comparator U1 is connected to the microprocessor.
The energy storage judging circuit is composed of a resistor R4, a resistor R5 and a comparator U1, the energy storage judging circuit is used for judging the electric quantity of the energy storage unit, when the electric quantity of the energy storage unit is enough to maintain the work of the microprocessor, the voltage of the reverse phase input end of the comparator U1 is higher than the Vref reference voltage of the in-phase input end, the comparator U1 outputs a low level signal to the microprocessor, when the electric quantity of the energy storage unit is not enough to maintain the work of the microprocessor, the voltage of the reverse phase input end of the comparator U1 is lower than the Vref reference voltage of the in-phase input end, the comparator U1 outputs a high level signal to the microprocessor, and after the microprocessor receives the high level signal, the high level signal is sent to the first switch circuit to drive the first switch circuit, so that the DC/DC conversion circuit charges the energy storage unit.
As shown in fig. 2, in this embodiment, the microprocessor is connected to the acquisition unit, a power supply terminal of the acquisition unit is connected to an output terminal of the DC/DC conversion circuit through the second switch circuit, the second switch circuit includes a field effect transistor Q2 and a resistor R2, a gate of the field effect transistor Q2 is connected to the microprocessor, a drain of the field effect transistor Q2 is connected to the power supply terminal of the acquisition unit, a gate of the field effect transistor Q2 is connected to a source of the field effect transistor Q2 through the resistor R2, and a source of the field effect transistor Q2 is connected to the output terminal of the DC/DC conversion circuit.
The second switch circuit comprises field effect transistor Q2 and resistance R2, when microprocessor needs the acquisition information, microprocessor can send a high level signal to first switch circuit and make DC/DC converting circuit switch on the work, microprocessor can send a low level signal to field effect transistor Q2's grid simultaneously, field effect transistor Q2 switches on under resistance R2's effect this moment, put through the connection between acquisition unit and the microprocessor, acquisition unit can send the information of gathering this moment to microprocessor and handle, when microprocessor need not gather the information, field effect transistor Q2's grid is in the input state that floats, disconnection between acquisition unit and the microprocessor, acquisition unit is in the dormancy state this moment, field effect transistor Q2's grid is in the input state that floats, microprocessor's pin does not consume the electric current, will output the high level power saving than microprocessor to field effect transistor Q2's grid, the performance of low-power consumption has further been embodied.
As shown in fig. 2, in this embodiment, the microprocessor is connected to the wireless communication module, a power supply terminal of the wireless communication module is connected to an output terminal of the DC/DC conversion circuit through a third switching circuit, the third switching circuit includes a field effect transistor Q3 and a resistor R3, a gate of the field effect transistor Q3 is connected to the microprocessor, a drain of the field effect transistor Q3 is connected to the power supply terminal of the wireless communication module, a gate of the field effect transistor Q3 is connected to a source of the field effect transistor Q3 through the resistor R3, and a source of the field effect transistor Q3 is connected to the output terminal of the DC/DC conversion circuit.
When microprocessor need upload the information of gathering to the cloud ware, microprocessor can send a high level signal to first switch circuit and make DC/DC converting circuit switch on work, microprocessor can send a low level signal to third switch circuit simultaneously, field effect transistor Q3 switches on under resistance R3's effect this moment, put through the connection between wireless communication module and the microprocessor, microprocessor can send the signal of gathering after handling to the cloud ware through wireless communication module this moment, when need not send information to the cloud ware, wireless communication module is in the dormancy state, field effect transistor Q3's grid is in under the input state that floats this moment, with the state of field effect transistor Q2 among the second switch circuit the same reason.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.
Claims (6)
1. The ultra-low power consumption gateway circuit is characterized by further comprising a first switch circuit, an energy storage unit and an energy storage judging circuit, wherein the external power supply is connected with the input end of the DC/DC conversion circuit, the output end of the DC/DC conversion circuit is connected with the microprocessor through the energy storage unit, the input end of the energy storage judging circuit is connected with the energy storage unit, the output end of the energy storage judging circuit is connected with the microprocessor, and the microprocessor is further connected with the control end of the first switch circuit.
2. The gateway circuit with ultra-low power consumption as claimed in claim 1, wherein the first switch circuit comprises a field effect transistor Q1 and a resistor R1, the gate of the field effect transistor Q1 is connected to the microprocessor, the source of the field effect transistor Q1 is grounded, the drain of the field effect transistor Q1 is connected to the first end of the resistor R1, the second end of the resistor R1 is connected to an external power supply, the first end of the resistor R1 is connected to the first input end of the DC/DC conversion circuit, and the second end of the resistor R1 is connected to the second input end of the DC/DC conversion circuit.
3. The ultra-low power consumption gateway circuit according to claim 1, wherein the energy storage unit comprises a diode D1 and a capacitor C1, an anode of the diode D1 is connected to the output terminal of the DC/DC conversion circuit, a cathode of the diode D1 is connected to a first terminal of the capacitor C1, a second terminal of the capacitor C1 is grounded, and the first terminal of the capacitor C1 is connected to the microprocessor.
4. The gateway circuit with ultra-low power consumption as claimed in claim 3, wherein the energy storage judgment circuit comprises a resistor R4, a resistor R5 and a comparator U1, a non-inverting input terminal of the comparator U1 is connected to a Vref reference voltage, an inverting input terminal of the comparator U1 is grounded through the resistor R4, the inverting input terminal of the comparator U1 is further connected to the first terminal of the capacitor C1 through the resistor R5, and an output terminal of the comparator U1 is connected to the microprocessor.
5. The gateway circuit with ultra-low power consumption as claimed in claim 2, wherein the microprocessor is connected to an acquisition unit, a power supply terminal of the acquisition unit is connected to the output terminal of the DC/DC conversion circuit through a second switch circuit, the second switch circuit comprises a field effect transistor Q2 and a resistor R2, a gate of the field effect transistor Q2 is connected to the microprocessor, a drain of the field effect transistor Q2 is connected to the power supply terminal of the acquisition unit, a gate of the field effect transistor Q2 is connected to a source of the field effect transistor Q2 through the resistor R2, and a source of the field effect transistor Q2 is connected to the output terminal of the DC/DC conversion circuit.
6. The gateway circuit with ultra-low power consumption as claimed in claim 1, wherein the microprocessor is connected with a wireless communication module, a power supply terminal of the wireless communication module is connected with an output terminal of the DC/DC conversion circuit through a third switch circuit, the third switch circuit comprises a field effect transistor Q3 and a resistor R3, a gate of the field effect transistor Q3 is connected with the microprocessor, a drain of the field effect transistor Q3 is connected with the power supply terminal of the wireless communication module, a gate of the field effect transistor Q3 is connected with a source of the field effect transistor Q3 through the resistor R3, and a source of the field effect transistor Q3 is connected with the output terminal of the DC/DC conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404806.XU CN218301413U (en) | 2022-09-09 | 2022-09-09 | Ultra-low power consumption gateway circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404806.XU CN218301413U (en) | 2022-09-09 | 2022-09-09 | Ultra-low power consumption gateway circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301413U true CN218301413U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222404806.XU Active CN218301413U (en) | 2022-09-09 | 2022-09-09 | Ultra-low power consumption gateway circuit |
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|---|---|
| CN (1) | CN218301413U (en) |
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- 2022-09-09 CN CN202222404806.XU patent/CN218301413U/en active Active
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