CN209881449U - Battery power supply circuit of LORA intelligent central control equipment - Google Patents
Battery power supply circuit of LORA intelligent central control equipment Download PDFInfo
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- CN209881449U CN209881449U CN201920822658.9U CN201920822658U CN209881449U CN 209881449 U CN209881449 U CN 209881449U CN 201920822658 U CN201920822658 U CN 201920822658U CN 209881449 U CN209881449 U CN 209881449U
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 86
- 238000001514 detection method Methods 0.000 claims description 16
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model relates to a battery power supply circuit of accuse equipment in LORA intelligence, including input interface circuit, charging circuit, wiFi voltage stabilizing circuit and master control voltage stabilizing circuit, input interface circuit's output is connected with charging circuit's input electricity, and charging circuit's output is connected with wiFi voltage stabilizing circuit's input and master control voltage stabilizing circuit's input electricity respectively. The charging circuit is used for converting voltage signals, and the WiFi voltage stabilizing circuit and the main control voltage stabilizing circuit are used for stabilizing voltage respectively and then outputting the voltage signals to the WiFi communication module and the main control module for power supply. The utility model discloses a battery supply circuit can realize that the lithium cell can guarantee under the power failure state that system data is complete to the power supply process of accuse equipment in the LORA intelligence, makes accuse equipment can adapt to different environment in the LORA intelligence.
Description
Technical Field
The utility model belongs to the technical field of wireless communication, especially, relate to battery power supply circuit of accuse equipment in LORA intelligence.
Background
LORA is a low-power local area network wireless standard created by semtech corporation, and low power consumption generally covers a long distance with difficulty, and the long distance generally has high power consumption, and if a horse wants to run far without eating grass, it seems difficult to handle. The LORA is named Long Range Radio (Long Range Radio), and has the greatest characteristic that the LORA is longer in transmission distance than other wireless modes under the same power consumption condition, achieves low power consumption and Long Range unification, and is 3-5 times longer in distance than traditional wireless Radio frequency communication under the same power consumption condition. The existing LORA intelligent central control equipment is generally only powered by 220VAC, and system data can be lost when power is cut off.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery power supply circuit of accuse equipment in LORA intelligence for the single technical problem of accuse equipment power supply in the LORA intelligence among the solution prior art.
The utility model provides a battery power supply circuit of accuse equipment in LORA intelligence, including input interface circuit, charging circuit, wiFi voltage stabilizing circuit and master control voltage stabilizing circuit, input interface circuit's output with charging circuit's input electricity is connected, charging circuit's output respectively with the input of wiFi voltage stabilizing circuit and master control voltage stabilizing circuit's input electricity is connected, charging circuit includes input filter electric capacity C28, input filter electric capacity C29, charging chip U6, output filter electric capacity C30, output filter electric capacity C31, temperature sensitive resistor R45, input filter electric capacity C28's input, input filter electric capacity C29's input, charging chip U6's input and temperature sensitive resistor R45's input parallel access input interface circuit's output, output filter electric capacity C30's input and output filter electric capacity C31's input are connected with charging chip U6's current output end electricity respectively, the output end of the input filter capacitor C28, the output end of the input filter capacitor C29, the output end of the output filter capacitor C30 and the output end of the output filter capacitor C31 are all grounded.
The input interface circuit comprises an input interface J7 and a reverse prevention diode D11, wherein the input end of the reverse prevention diode D11 is electrically connected with the input interface J7, and the output end of the reverse prevention diode D11 is electrically connected with the input end of the charging circuit.
The WiFi voltage stabilizing circuit comprises a WiFi voltage stabilizing chip U9, a filter capacitor C33 and a filter capacitor C34, the input end of the WiFi voltage stabilizing chip U9 is electrically connected with the output end of the charging chip U6, the output end of the WiFi voltage stabilizing chip U9 is electrically connected with a WiFi communication unit, one end of the filter capacitor C33 and one end of the filter capacitor C34 are connected in parallel to be connected into the input end of the WiFi voltage stabilizing chip U9, and the other end of the filter capacitor C33 and the other end of the filter capacitor C34 are grounded respectively.
The main control voltage stabilizing circuit comprises a main control voltage stabilizing chip U10, a filter capacitor C37, a filter capacitor C38, a filter capacitor C39 and a filter capacitor C40, wherein the input end of the main control voltage stabilizing chip U10 is electrically connected with the output end of a charging chip U6, the output end of the main control voltage stabilizing chip U10 is electrically connected with the main control chip, one end of the filter capacitor C37 and one end of the filter capacitor C38 are connected in parallel to the input end of the main control voltage stabilizing chip U10, one end of the filter capacitor C39 and one end of the filter capacitor C40 are connected in parallel to the output end of the main control voltage stabilizing chip U10, and the other end of the filter capacitor C37, the other end of the filter capacitor C38, the other end of the filter capacitor C39 and the other end of the filter capacitor C40 are respectively grounded.
The battery power supply circuit further comprises a USB auxiliary power supply circuit, the USB socket P1, a switch MOS tube Q3 and an anti-reverse diode D12 are arranged, the source electrode of the switch MOS tube Q3 is electrically connected with the output end of the input interface circuit, the grid electrode of the switch MOS tube Q3 receives a level signal, the drain electrode of the MOS tube Q3 is electrically connected with the USB socket P1, the output end of the reverse diode D12 is electrically connected with the drain electrode of the MOS tube Q3, and the input end of the reverse diode D12 is grounded.
The battery power supply circuit further comprises a battery protection detection circuit, wherein the input end of the battery protection detection circuit is electrically connected with the battery protection output end of the charging chip U6, and the output end of the battery protection detection circuit is electrically connected with a battery.
From the foregoing the embodiment of the utility model provides a, the utility model discloses well battery supply circuit passes through input interface circuit input battery voltage, carries out voltage signal's conversion through charging circuit to carry out the steady voltage processing respectively through wiFi voltage stabilizing circuit and main control voltage stabilizing circuit, and then output wiFi communication module and main control module and supply power. The utility model discloses a battery supply circuit can realize that the lithium cell can guarantee under the power failure state that system data is complete to the power supply process of accuse equipment in the LORA intelligence, makes accuse equipment can adapt to different environment in the LORA intelligence.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a block diagram of a battery power supply circuit of the LORA intelligent central control device of the present invention;
fig. 2 is a charging circuit diagram of the battery power supply circuit of the LORA intelligent central control device of the present invention;
fig. 3 is an input interface circuit diagram of the battery power supply circuit of the LORA intelligent central control device of the present invention;
FIG. 4 is a WiFi voltage stabilizing circuit diagram of the battery power supply circuit of the LORA intelligent central control apparatus of the present invention;
fig. 5 is a diagram of a main control voltage stabilizing circuit of a battery power supply circuit of the LORA intelligent central control device of the present invention;
fig. 6 is a USB auxiliary power supply circuit diagram of the battery power supply circuit of the LORA intelligent central control device of the present invention;
fig. 7 is the utility model discloses accuse equipment's battery protection detection circuitry map in LORA intelligence.
Description of the main elements:
1. an input interface circuit; 2. a charging circuit; 3. a WiFi voltage stabilizing circuit; 4. a master voltage stabilizing circuit; 5. a USB auxiliary power supply circuit; 6. a battery protection detection circuit.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model relates to a battery power supply circuit of control equipment in LORA intelligence, including input interface circuit 1, charging circuit 2, WiFi voltage stabilizing circuit 3 and master control voltage stabilizing circuit 4, the output of input interface circuit 1 is connected with the input of charging circuit 2 electrically, the output of charging circuit 2 is connected with the input of WiFi voltage stabilizing circuit 3 and the input of master control voltage stabilizing circuit 4 electrically respectively, charging circuit 2 includes input filter capacitor C28, input filter capacitor C29, charging chip U6, output filter capacitor C30, output filter capacitor C31, temperature sensitive resistor R45, the input of input filter capacitor C28, the input of input filter capacitor C29, the input of charging chip U6 and the input of temperature sensitive resistor R45 are connected in parallel to the output of input interface circuit 1, the input of output filter capacitor C30 and the input of output filter capacitor C31 are connected with the current output end of charging chip U6 electrically respectively, the output end of the input filter capacitor C28, the output end of the input filter capacitor C29, the output end of the output filter capacitor C30 and the output end of the output filter capacitor C31 are all grounded.
Compared with the prior art, the utility model discloses well battery power supply circuit carries out voltage signal's conversion through charging circuit 2 through input interface circuit 1 input battery voltage to carry out voltage stabilization respectively through wiFi voltage stabilizing circuit 3 and main control voltage stabilizing circuit 4 and handle, and then export wiFi communication module and main control module and supply power. The utility model discloses a battery supply circuit can realize that the lithium cell can guarantee under the power failure state that system data is complete to the power supply process of accuse equipment in the LORA intelligence, makes accuse equipment can adapt to different environment in the LORA intelligence.
The input voltage DC-5V passes through a resistor R37 and then passes through an input filter capacitor C28 and an input filter capacitor C29 to carry out a filtering process, pins 4, 6, 7 and 8 of a charging chip U6 are respectively connected with the input voltage, the input end of the pin 6 is connected with the resistor R38 and a charging indicator lamp D14 in series, the input end of the pin 7 is connected with a resistor R39 and a charging indicator lamp D13 in series, the input end of the pin 8 is connected with the resistor R42, pins 3 and 9 of the charging chip U6 are grounded, the output end of the pin 2 is connected with the resistor R44 and grounded, and the pin 5 outputs the voltage through the output filter capacitor C30 and the output filter capacitor C31 which are connected in parallel. The input end of the temperature-sensitive resistor R45 is respectively connected with the voltage DC-5V and the charging chip U6, the output end of the temperature-sensitive resistor R45 is grounded, and the temperature-sensitive resistor R45 mainly plays a role in monitoring the temperature of the charging chip U6 and playing a role in protection.
Referring to fig. 3, the input interface circuit 1 includes an input interface J7 and a reverse diode D11, an input terminal of the reverse diode D11 is electrically connected to the input interface J7, and an output terminal of the reverse diode D11 is electrically connected to an input terminal of the charging circuit 2. The input interface J7 is electrically connected to the rechargeable battery, and the reverse diode D11 is a diode structure with unidirectional conduction for outputting the forward voltage of the reverse diode D11, so that the possibility of voltage backflow can be avoided.
Referring to fig. 4, the WiFi voltage regulator circuit 3 includes a WiFi voltage regulator chip U9, a filter capacitor C33, and a filter capacitor C34, an input terminal of the WiFi voltage regulator chip U9 is electrically connected to an output terminal of the charging chip U6, an output terminal of the WiFi voltage regulator chip U9 is electrically connected to the WiFi communication unit, one end of the filter capacitor C33 and one end of the filter capacitor C34 are connected in parallel to the input terminal of the WiFi voltage regulator chip U9, and the other end of the filter capacitor C33 and the other end of the filter capacitor C34 are grounded, respectively. The C33 and the C34 play a role in filtering, and the voltage VBAT _4V2 is input to the input end of the WiFi voltage stabilization chip U9 and is subjected to filtering voltage stabilization processing, so that the voltage WIFI _3VO is output.
Referring to fig. 5, the main control voltage stabilizing circuit includes a main control voltage stabilizing chip U10, a filter capacitor C37, a filter capacitor C38, a filter capacitor C39, and a filter capacitor C40, an input end of the main control voltage stabilizing chip U10 is electrically connected to an output end of the charging chip U6, an output end of the main control voltage stabilizing chip U10 is electrically connected to the main control chip, one end of the filter capacitor C37 and one end of the filter capacitor C38 are connected in parallel to an input end of the main control voltage stabilizing chip U10, one end of the filter capacitor C39 and one end of the filter capacitor C40 are connected in parallel to an output end of the main control voltage stabilizing chip U10, and the other end of the filter capacitor C37, the other end of the filter capacitor C38, the other end of the filter capacitor C39, and the other end of the filter capacitor C40 are respectively grounded. The input end of the main control voltage stabilization chip U10 inputs the voltage VBAT _4V2, and outputs the voltage VDD _3VO after filtering and voltage stabilization processing.
Referring to fig. 6, the battery power supply circuit further includes a USB auxiliary power supply circuit 5, a USB socket P1, a switch MOS transistor Q3 and an anti-reverse diode D12, wherein a source of the switch MOS transistor Q3 is electrically connected to an output terminal of the input interface circuit 1, a gate of the switch MOS transistor Q3 receives a level signal, a drain of the MOS transistor Q3 is electrically connected to the USB socket P1, an output terminal of the reverse diode D12 is electrically connected to a drain of the MOS transistor Q3, and an input terminal of the reverse diode D12 is grounded. DC-5V is input to the source electrode of the switch MOS tube Q3, and AC-DC-5V signals are input to the grid electrode of the switch MOS tube Q3 to control the conduction between the source electrode and the drain electrode of the Q3, so that power is supplied to the P1, and the process of supplying power to peripheral equipment through a USB socket is achieved.
Referring to fig. 7, the battery power supply circuit further includes a battery protection detection circuit 6, an input terminal of the battery protection detection circuit 6 is electrically connected to a battery protection output terminal of the charging chip U6, and an output terminal of the battery protection detection circuit 6 is electrically connected to the battery. The battery protection detection circuit 6 comprises a detection chip U5, a detection chip U7 and a detection chip U8, wherein the U5, the U7 and the U8 are connected in parallel, receive a signal BAT _ ADC to be detected sent by the U3, and are connected with a battery through a battery interface J8, so that the specific battery detection and protection process is carried out, and the battery power supply is favorably ensured.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.
Claims (6)
1. A battery power supply circuit of LORA intelligent central control equipment is characterized by comprising an input interface circuit, a charging circuit, a WiFi voltage stabilizing circuit and a main control voltage stabilizing circuit, wherein the input end of the input interface circuit is connected with battery voltage, the output end of the input interface circuit is electrically connected with the input end of the charging circuit, the output end of the charging circuit is respectively electrically connected with the input end of the WiFi voltage stabilizing circuit and the input end of the main control voltage stabilizing circuit, the charging circuit comprises an input filter capacitor C28, an input filter capacitor C29, a charging chip U6, an output filter capacitor C30, an output filter capacitor C31 and a temperature-sensitive resistor R45, the input end of the input filter capacitor C28, the input end of the input filter capacitor C29, the input end of the charging chip U6 and the input end of the temperature-sensitive resistor R45 are connected in parallel with the output end of the input interface circuit, the input end of the output filter capacitor C30 and the input end of the output filter capacitor C31 are respectively electrically connected with the current output end of the charging chip U6, and the output end of the input filter capacitor C28, the output end of the input filter capacitor C29, the output end of the output filter capacitor C30 and the output end of the output filter capacitor C31 are all grounded.
2. The battery power supply circuit of the LORA intelligent central control device of claim 1, wherein the input interface circuit includes an input interface J7 and a reverse diode D11, an input of the reverse diode D11 is electrically connected to the input interface J7, and an output of the reverse diode D11 is electrically connected to an input of the charging circuit.
3. The battery power supply circuit of the LORA intelligent central control device of claim 1, wherein the WiFi voltage stabilizing circuit comprises a WiFi voltage stabilizing chip U9, a filter capacitor C33 and a filter capacitor C34, an input end of the WiFi voltage stabilizing chip U9 is electrically connected with an output end of the charging chip U6, an output end of the WiFi voltage stabilizing chip U9 is electrically connected with the WiFi communication unit, one end of the filter capacitor C33 and one end of the filter capacitor C34 are connected in parallel to the input end of the WiFi voltage stabilizing chip U9, and the other end of the filter capacitor C33 and the other end of the filter capacitor C34 are respectively grounded.
4. The battery-powered circuit of a LORA intelligent central control device of claim 2, the master voltage stabilizing circuit comprises a master voltage stabilizing chip U10, a filter capacitor C37, a filter capacitor C38, a filter capacitor C39 and a filter capacitor C40, the input end of the master control voltage stabilization chip U10 is electrically connected with the output end of the charging chip U6, the output end of the master control voltage stabilization chip U10 is electrically connected with a master control chip, one end of the filter capacitor C37 and one end of the filter capacitor C38 are connected in parallel to the input end of the master control voltage stabilization chip U10, one end of the filter capacitor C39 and one end of the filter capacitor C40 are connected in parallel to the output end of the master voltage stabilizing chip U10, the other end of the filter capacitor C37, the other end of the filter capacitor C38, the other end of the filter capacitor C39 and the other end of the filter capacitor C40 are respectively grounded.
5. The battery power supply circuit of the LORA intelligent central control device of claim 1, further comprising a USB auxiliary power supply circuit, wherein the USB auxiliary power supply circuit is provided with a USB socket P1, the USB socket P1, a switch MOS transistor Q3 and an anti-reverse diode D12, a source of the switch MOS transistor Q3 is electrically connected to the output terminal of the input interface circuit, a gate of the switch MOS transistor Q3 receives a level signal output by the charging chip U6, a drain of the MOS transistor Q3 is electrically connected to the USB socket P1, an output terminal of the reverse diode D12 is electrically connected to the drain of the MOS transistor Q3, and an input terminal of the reverse diode D12 is grounded.
6. The battery power supply circuit of claim 1, further comprising a battery protection detection circuit, wherein an input terminal of the battery protection detection circuit is electrically connected to a battery protection output terminal of the charging chip U6, and an output terminal of the battery protection detection circuit is electrically connected to a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822658.9U CN209881449U (en) | 2019-05-31 | 2019-05-31 | Battery power supply circuit of LORA intelligent central control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822658.9U CN209881449U (en) | 2019-05-31 | 2019-05-31 | Battery power supply circuit of LORA intelligent central control equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209881449U true CN209881449U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920822658.9U Active CN209881449U (en) | 2019-05-31 | 2019-05-31 | Battery power supply circuit of LORA intelligent central control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881449U (en) |
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2019
- 2019-05-31 CN CN201920822658.9U patent/CN209881449U/en active Active
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