CN218216683U - Control circuit for accelerating power discharge of WiFi module - Google Patents
Control circuit for accelerating power discharge of WiFi module Download PDFInfo
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- CN218216683U CN218216683U CN202221453280.8U CN202221453280U CN218216683U CN 218216683 U CN218216683 U CN 218216683U CN 202221453280 U CN202221453280 U CN 202221453280U CN 218216683 U CN218216683 U CN 218216683U
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Abstract
The utility model relates to a wiFi module technical field, in particular to control circuit for accelerate wiFi module power discharge, including power input identification circuit, quick discharge circuit and voltage stabilizing circuit, power input identification circuit's input termination DC power supply, power input identification circuit's output is connected with quick discharge circuit's input electricity, voltage stabilizing circuit's input termination DC power supply, voltage stabilizing circuit's output is connected with quick discharge circuit's input and the wiFi module electricity of peripheral hardware respectively, the scheme passes through power input identification circuit, cooperation between quick discharge circuit and the voltage stabilizing circuit, make can accelerate wiFi module power discharge, thereby make the wiFi module can get into the net mode of joining in marriage of product sooner, make the product can join in marriage net fast, let the terminal customer obtain better experience and experience.
Description
Technical Field
The utility model relates to a wiFi module technical field, in particular to accelerate wiFi module power discharge's control circuit.
Background
The existing WiFi module power supply or the VDD discharge circuit of the MCU adopts a resistor to discharge, although the cost of the discharge circuit of the resistor is low, the discharge circuit meets the WiFi module or the MCU module power supply stored by a large electrolytic capacitor, and if the WiFi module power supply after power failure needs to be quickly discharged, the resistance value of the resistor needs to be quite small, so that the power consumption of the WiFi module power supply under the normal condition is increased, the standby power consumption requirement of a product is not facilitated, and the requirement of quick discharge of the WiFi module power supply cannot be met even if the resistor is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: the control circuit capable of accelerating power discharge of the WiFi module is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a control circuit for accelerating power discharge of a WiFi module comprises a power input identification circuit, a rapid discharge circuit and a voltage stabilizing circuit, wherein the input end of the power input identification circuit is connected with a direct-current power supply, the output end of the power input identification circuit is electrically connected with the input end of the rapid discharge circuit, the input end of the voltage stabilizing circuit is connected with the direct-current power supply, and the output end of the voltage stabilizing circuit is respectively electrically connected with the input end of the rapid discharge circuit and an external WiFi module.
Further, the fast discharging circuit comprises a resistor R4, a triode V1 and a triode V2, wherein the base of the triode V1 is electrically connected with one end of the resistor R4 and the emitting electrode of the triode V2 respectively, the other end of the resistor R4 is electrically connected with the emitting electrode of the triode V1, the output end of the voltage stabilizing circuit and a peripheral WiFi module respectively, the collecting electrode of the triode V1 is electrically connected with the collecting electrode of the triode V2 and the output end of the power input identification circuit respectively, and the base of the triode V2 is electrically connected with the output end of the power input identification circuit.
Further, the power input identification circuit comprises a resistor R1 and a resistor R2, one end of the resistor R1 is electrically connected to one end of the resistor R2 and the input end of the fast discharge circuit, the other end of the resistor R1 is electrically connected to the voltage stabilizing circuit and the dc power supply, and the other end of the resistor R2 is electrically connected to the fast discharge circuit.
Further, the voltage stabilizing circuit comprises a voltage stabilizing chip U1, a first pin of the voltage stabilizing chip U1 is electrically connected with the power input identification circuit, a second pin of the voltage stabilizing chip U1 is grounded, and a third pin of the voltage stabilizing chip U1 is electrically connected with the input end of the rapid discharge circuit and an external WiFi module respectively.
The beneficial effects of the utility model reside in that:
whether power input identification circuit is used for judging input voltage to insert through setting up power input identification circuit, power input identification circuit connects DC power supply, DC power supply provides the required voltage that satisfies the wiFi module, voltage stabilizing circuit converts input power into the operating voltage of suitable wiFi module, quick discharge circuit is used for discharging fast to the voltage of wiFi module, this scheme passes through power input identification circuit, cooperation between quick discharge circuit and the voltage stabilizing circuit, make can accelerate wiFi module power discharge, thereby make the wiFi module can get into the net mode of distribution of product more fast, make the product can join in marriage net fast, let the terminal customer obtain better experience and experience.
Drawings
Fig. 1 is a connection block diagram of a control circuit for accelerating power discharge of a WiFi module according to the present invention;
fig. 2 is a schematic circuit diagram of a control circuit for accelerating power discharge of a WiFi module according to the present invention;
description of reference numerals:
1. a power input identification circuit; 2. a fast discharge circuit; 3. a voltage stabilizing circuit; 4. a WiFi module; 5. a direct current power supply.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
the control circuit comprises a power input identification circuit, a quick discharge circuit and a voltage stabilizing circuit, wherein the input end of the power input identification circuit is connected with a direct-current power supply, the output end of the power input identification circuit is electrically connected with the input end of the quick discharge circuit, the input end of the voltage stabilizing circuit is connected with the direct-current power supply, and the output end of the voltage stabilizing circuit is respectively electrically connected with the input end of the quick discharge circuit and a peripheral WiFi module.
From the above description, the beneficial effects of the present invention are:
whether the power input identification circuit is used for judging whether input voltage is accessed or not is judged by setting the power input identification circuit, the power input identification circuit is connected with a direct-current power supply, the direct-current power supply provides voltage required by a WiFi module, the voltage stabilizing circuit converts the input power supply into working voltage suitable for the WiFi module, the quick discharge circuit is used for quickly discharging the voltage of the WiFi module, the scheme passes through the power input identification circuit, the quick discharge circuit and the voltage stabilizing circuit are matched, so that the power discharge of the WiFi module can be accelerated, the WiFi module can enter a distribution network mode of a product more quickly, the product can be quickly distributed, and a terminal client can obtain better experience.
Further, the fast discharging circuit comprises a resistor R4, a triode V1 and a triode V2, wherein the base of the triode V1 is electrically connected with one end of the resistor R4 and the emitting electrode of the triode V2 respectively, the other end of the resistor R4 is electrically connected with the emitting electrode of the triode V1, the output end of the voltage stabilizing circuit and a peripheral WiFi module respectively, the collecting electrode of the triode V1 is electrically connected with the collecting electrode of the triode V2 and the output end of the power input identification circuit respectively, and the base of the triode V2 is electrically connected with the output end of the power input identification circuit.
As can be seen from the above description, the resistor R4, the transistor V1 and the transistor V2 form a fast discharge circuit for fast discharging the voltage of the WiFi module.
Further, the power input identification circuit comprises a resistor R1 and a resistor R2, one end of the resistor R1 is electrically connected to one end of the resistor R2 and the input end of the fast discharge circuit, the other end of the resistor R1 is electrically connected to the voltage stabilizing circuit and the dc power supply, and the other end of the resistor R2 is electrically connected to the fast discharge circuit.
From the above description, the resistor R1 and the resistor R2 form a power input identification circuit for determining whether the input voltage is connected, and the conduction threshold of the fast discharge circuit can be set by setting the resistance values of the resistor R1 and the resistor R2 in proportion, so that no loss is caused to VDD.
Further, the voltage stabilizing circuit comprises a voltage stabilizing chip U1, a first pin of the voltage stabilizing chip U1 is electrically connected with the power input identification circuit, a second pin of the voltage stabilizing chip U1 is grounded, and a third pin of the voltage stabilizing chip U1 is electrically connected with the input end of the rapid discharge circuit and a peripheral WiFi module respectively.
As can be seen from the above description, the voltage regulation chip U1 is used to convert the input power into the operating voltage of the WiFi module.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
referring to fig. 1, a control circuit for accelerating power discharge of a WiFi module 4 includes a power input identification circuit 1, a fast discharge circuit 2 and a voltage stabilizing circuit 3, an input terminal of the power input identification circuit 1 is connected to a dc power supply 5, an output terminal of the power input identification circuit 1 is electrically connected to an input terminal of the fast discharge circuit 2, an input terminal of the voltage stabilizing circuit 3 is connected to the dc power supply 5, and an output terminal of the voltage stabilizing circuit 3 is electrically connected to an input terminal of the fast discharge circuit 2 and a peripheral WiFi module 4, respectively.
Referring to fig. 2, the fast discharging circuit 2 includes a resistor R4 (with a resistance value of 10k Ω), a transistor V1 (with a model of MMBTA 92), and a transistor V2 (with a model of MMBTA 92), a base of the transistor V1 is electrically connected to one end of the resistor R4 and an emitter of the transistor V2, another end of the resistor R4 is electrically connected to the emitter of the transistor V1, an output end of the voltage stabilizing circuit 3, and an external WiFi module 4, a collector of the transistor V1 is electrically connected to a collector of the transistor V2 and an output end of the power input recognition circuit 1, and a base of the transistor V2 is electrically connected to an output end of the power input recognition circuit 1.
Referring to fig. 2, the power input identification circuit 1 includes a resistor R1 (with a resistance value of 10k Ω) and a resistor R2 (with a resistance value of 10k Ω), one end of the resistor R1 is electrically connected to one end of the resistor R2 and the input end of the fast discharge circuit 2, the other end of the resistor R1 is electrically connected to the voltage stabilizing circuit 3 and the dc power supply 5, and the other end of the resistor R2 is electrically connected to the fast discharge circuit 2.
Referring to fig. 2, the voltage stabilizing circuit 3 includes a voltage stabilizing chip U1 (model number ME6118a33M 3G), a first pin of the voltage stabilizing chip U1 is electrically connected to the power input identification circuit 1, a second pin of the voltage stabilizing chip U1 is grounded, and a third pin of the voltage stabilizing chip U1 is electrically connected to the input terminal of the fast discharge circuit 2 and the peripheral WiFi module 4, respectively.
Referring to fig. 2, the device further includes an electrolytic capacitor E1 (with a capacitance of 10 μ F), an electrolytic capacitor E2 (with a capacitance of 470 μ F), a resistor R3 (with a resistance of 1k Ω), and a diode D1 (with a model of 1N 4007), and the specific connection relationship between the components is shown in fig. 2.
The working principle of the control circuit for accelerating the power discharge of the WiFi module 4 is as follows:
the external direct current power supply 5 is connected with polarity, and after receiving HV and passing through the diode D1 and the electrolytic capacitor E1, one way supplies power to the voltage stabilizing chip U1, and the other way passes through the resistor R1 and the resistor R2, and the specific working steps are as follows:
1. when the direct current power supply 5 is switched on, one path of the HV supplies power to the voltage stabilizing chip U1 after filtering and storing energy through the anti-reverse diode D1 and the electrolytic capacitor E1, the output of the voltage stabilizing chip U1 is filtered and stored energy through the electrolytic capacitor E2 and then supplies power to a rear load (the WiFi module 4) to enable the rear load to work, wherein the resistor R3 is a dummy load; the resistor R1 and the resistor R2 are proportionally set to have resistance values, so that a conduction threshold value of a quick discharge circuit 2 consisting of the resistor R4, the triode V1 and the triode V2 can be set to control the on-off of the triode V2, the on-off of the triode V1 is controlled, and no loss is caused to VDD.
2. When the direct current power supply 5 is disconnected, no voltage is input at the HV position, the voltage of the electrolytic capacitor E1 is rapidly reduced, the voltage on the resistor R2 is rapidly reduced, and eb of the triode V2 is enabled to be conducted, so that ec of the triode V2 is conducted, eb of the triode V1 is also conducted, and immediately after ec of the triode V1 is also conducted, ce of the triode V1 is conducted, a direct discharging path is added for the electrolytic capacitor E2, and therefore the discharging speed of two ends of the electrolytic capacitor E2 is increased.
Under the condition that the power of the WiFi module 4 is more stored, the circuit can accelerate the discharging of the power supply of the module quickly, so that a product can enter a distribution network mode more quickly, and a client has a better experience effect.
To sum up, the utility model provides a pair of accelerate wiFi module power discharge's control circuit, be used for judging whether input voltage inserts through setting up power input identification circuit, power input identification circuit meets DC power supply, DC power supply provides the required voltage of satisfying the wiFi module, voltage stabilizing circuit converts input power supply into the operating voltage of suitable wiFi module, quick discharge circuit is used for discharging fast to the voltage of wiFi module, this scheme passes through power input identification circuit, cooperation between quick discharge circuit and the voltage stabilizing circuit, make can accelerate wiFi module power discharge, thereby make the wiFi module can get into the net mode of joining in marriage of product sooner, make the product can join in marriage net fast, let the terminal customer obtain better experience and experience.
The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (4)
1. The control circuit is characterized by comprising a power input identification circuit, a quick discharge circuit and a voltage stabilizing circuit, wherein the input end of the power input identification circuit is connected with a direct-current power supply, the output end of the power input identification circuit is electrically connected with the input end of the quick discharge circuit, the input end of the voltage stabilizing circuit is connected with the direct-current power supply, and the output end of the voltage stabilizing circuit is respectively electrically connected with the input end of the quick discharge circuit and a peripheral WiFi module.
2. The control circuit for accelerating power supply discharge of a WiFi module according to claim 1, wherein the fast discharge circuit includes a resistor R4, a transistor V1 and a transistor V2, the base of the transistor V1 is electrically connected to one end of the resistor R4 and the emitter of the transistor V2, respectively, the other end of the resistor R4 is electrically connected to the emitter of the transistor V1, the output terminal of the voltage regulator and the external WiFi module, respectively, the collector of the transistor V1 is electrically connected to the collector of the transistor V2 and the output terminal of the power supply input identification circuit, respectively, and the base of the transistor V2 is electrically connected to the output terminal of the power supply input identification circuit.
3. The control circuit for accelerating power supply discharge of the WiFi module of claim 1, wherein the power supply input recognition circuit includes a resistor R1 and a resistor R2, one end of the resistor R1 is electrically connected to one end of the resistor R2 and the input end of the fast discharge circuit, respectively, the other end of the resistor R1 is electrically connected to the voltage regulator circuit and the dc power supply, respectively, and the other end of the resistor R2 is electrically connected to the fast discharge circuit.
4. The control circuit for accelerating power discharge of a WiFi module according to claim 1, wherein the voltage regulator circuit includes a voltage regulator chip U1, a first pin of the voltage regulator chip U1 is electrically connected to the power input identification circuit, a second pin of the voltage regulator chip U1 is grounded, and a third pin of the voltage regulator chip U1 is electrically connected to the input terminal of the fast discharge circuit and the external WiFi module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221453280.8U CN218216683U (en) | 2022-06-08 | 2022-06-08 | Control circuit for accelerating power discharge of WiFi module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221453280.8U CN218216683U (en) | 2022-06-08 | 2022-06-08 | Control circuit for accelerating power discharge of WiFi module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218216683U true CN218216683U (en) | 2023-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221453280.8U Active CN218216683U (en) | 2022-06-08 | 2022-06-08 | Control circuit for accelerating power discharge of WiFi module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218216683U (en) |
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2022
- 2022-06-08 CN CN202221453280.8U patent/CN218216683U/en active Active
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