CN219955394U - Integrated fire-folding sub-circuit structure - Google Patents
Integrated fire-folding sub-circuit structure Download PDFInfo
- Publication number
- CN219955394U CN219955394U CN202321166640.0U CN202321166640U CN219955394U CN 219955394 U CN219955394 U CN 219955394U CN 202321166640 U CN202321166640 U CN 202321166640U CN 219955394 U CN219955394 U CN 219955394U
- Authority
- CN
- China
- Prior art keywords
- module
- integrated circuit
- circuit chip
- integrated
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007600 charging Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000007726 management method Methods 0.000 abstract description 4
- 238000013024 troubleshooting Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010277 constant-current charging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an integrated fire-folding sub-circuit structure which comprises an integrated circuit chip U1, an indicator light LED, an airflow sensor MT, a heating wire L1, a capacitor C2, a battery BAT and a USB charger. The integrated fire-folding sub-circuit structure can realize the ignition function by adding a small number of electronic components (LED indicator lamp, airflow sensor MT, heating wire L1) into an integrated circuit chip, saves elements such as a charging management chip, an MCU, a triode and the like, can greatly save cost, avoids the known problems of removing faults, and reduces complex troubleshooting fault processes. The structure has the advantages of simple structure, convenient use, intelligence, long service life, small PCB circuit area and the like.
Description
Technical Field
The utility model relates to the field of electronic ignition equipment, in particular to an integrated fire-folding sub-circuit structure.
Background
The present ignition devices mainly comprise a gas lighter, a liquid lighter and an electronic lighter. The gas lighter uses butane gas as toxic gas, and excessive inhalation can cause poisoning or leakage to cause fire; the liquid fuel lighter is heavy and easy to corrode clothes and skin due to leakage of liquid fuel, and easily causes fire; most of the existing electronic lighters need manual operation to heat the heating wires, the circuit structure is complex, the PCB circuit structure area is large, and the electronic lighters are heavy and windproof when in use. And the electronic lighter is directly short-circuited to supply power, so that contact aging can occur for a long time, and the service life is influenced.
Disclosure of Invention
The utility model aims to solve the technical problems and provides an integrated fire-folded sub-circuit structure.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an integrated fire turn-down sub-circuit structure, includes integrated circuit chip U1, pilot lamp LED, air current sensor MT, heater L1, electric capacity C2, battery BAT and USB charger, battery BAT negative pole ground connection, battery BAT positive pole is connected integrated circuit chip U1, air current sensor MT's one end ground connection, air current sensor MT's other end is connected integrated circuit chip U1, pilot lamp LED's positive pole is connected integrated circuit chip U1, pilot lamp LED's negative pole ground connection, integrated circuit chip U1 is connected to heater L1's one end, heater L1's the other end ground connection, battery BAT positive pole is connected to electric capacity C1's one end, electric capacity C1's the other end ground connection, USB charger is connected integrated circuit chip U1, electric capacity C2's one end is connected integrated circuit chip U1, electric capacity C2's the other end is connected USB charger.
The integrated circuit chip U1 is XC618 in chip type, and comprises a logic control circuit, an LED indicator light driving circuit, an AT driving module, a charging control module and a signal processing module, wherein the logic control circuit is respectively connected with the LED indicator light driving circuit, the AT driving module, the charging control module and the signal processing module, the LED indicator light driving circuit is connected with an indicator light LED, the AT driving module is connected with a heating wire L1, the charging control module is connected with a battery BAT, and the signal processing module is connected with an airflow sensor MT.
The integrated circuit chip U1 further comprises an overcurrent protection module, an overtemperature protection module and a short circuit protection module, wherein the overcurrent protection module, the overtemperature protection module and the short circuit protection module are all connected with the AT driving module.
The integrated circuit chip U1 further comprises an under-voltage protection module, and the charging control module and the logic control circuit are connected through the under-voltage protection module.
The utility model has the advantages and positive effects that: the integrated fire-folding sub-circuit structure can realize the ignition function by adding a small number of electronic components (LED indicator lamp, airflow sensor MT, heating wire L1) into an integrated circuit chip, saves elements such as a charging management chip, an MCU, a triode and the like, can greatly save cost, avoids the known problems of removing faults, and reduces complex troubleshooting fault processes. The structure has the advantages of simple structure, convenient use, intelligence, long service life, small PCB circuit area and the like.
Drawings
FIG. 1 is a circuit diagram of an integrated fire folder circuit structure;
FIG. 2 is a system block diagram of an integrated circuit chip U1 in an embodiment of an integrated fire-folded sub-circuit structure.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an integrated fire-folding sub-circuit structure comprises an integrated circuit chip U1, an indicator light LED, an airflow sensor MT, a heating wire L1, a capacitor C2, a battery BAT and a USB charger, wherein the negative electrode of the battery BAT is grounded, the positive electrode of the battery BAT is connected with the integrated circuit chip U1, one end of the airflow sensor MT is grounded, the other end of the airflow sensor MT is connected with the integrated circuit chip U1, the positive electrode of the indicator light LED is connected with the integrated circuit chip U1, the negative electrode of the indicator light LED is grounded, one end of the heating wire L1 is connected with the integrated circuit chip U1, the other end of the heating wire L1 is grounded, one end of the capacitor C1 is connected with the positive electrode of the battery BAT, the other end of the capacitor C1 is grounded, the USB charger is connected with the integrated circuit chip U1, one end of the capacitor C2 is connected with the integrated circuit chip U1, and the other end of the capacitor C2 is connected with the USB charger.
The integrated circuit chip U1 is XC618 in chip type, and comprises a logic control circuit, an LED indicator light driving circuit, an AT driving module, a charging control module and a signal processing module, wherein the logic control circuit is respectively connected with the LED indicator light driving circuit, the AT driving module, the charging control module and the signal processing module, the LED indicator light driving circuit is connected with an indicator light LED, the AT driving module is connected with a heating wire L1, the charging control module is connected with a battery BAT, and the signal processing module is connected with an airflow sensor MT.
The integrated circuit chip U1 further comprises an overcurrent protection module, an overtemperature protection module and a short circuit protection module, wherein the overcurrent protection module, the overtemperature protection module and the short circuit protection module are all connected with the AT driving module.
The integrated circuit chip U1 further comprises an under-voltage protection module, and the charging control module and the logic control circuit are connected through the under-voltage protection module.
As shown in fig. 2, in a preferred embodiment of the integrated fire-folding sub-circuit structure, the integrated circuit chip U1 has a chip type XC618, and has three operation modes: charging mode, normal operating mode, just directly get into the power saving mode after the power on. Automatically entering a power saving mode during standby to reduce loss; only in the case of blowing, the integrated circuit chip U1 will enter the normal operation mode from the power saving mode. The quiescent current in the power saving mode is lower than the loss of 5uA, so that the service life of the battery can be effectively prolonged.
The integrated circuit chip U1 is internally integrated with a charging control circuit, and the charging voltage range is as follows: 4.5-6V, and supports various AC-DC and USB chargers and other devices.
The chip has a multi-mode (trickle, constant current and constant voltage) charging process, has excellent charging performance, and can automatically protect the inside of the chip when the chip is full of 4.2V. The chip charging process is as follows: when the battery voltage is less than 2.7V, the trickle (40 mA) constant current charging is performed, so that the battery is not damaged, and the safety is ensured; when the voltage is close to 4.2V, the charging current gradually decreases, and finally, the constant voltage mode is entered.
The integrated circuit chip U1 is also integrated with various protection modules, an under-voltage protection module (UVLO) and an over-temperature protection module (OTP), and the AT driving module comprises a control module with an over-current protection and short-circuit protection function (SCP). The logic function module is provided with a control module for controlling long-time smoking protection, and the charging control module is provided with independent over-temperature protection. The protection can be displayed through the LED indicator lamp to give an alarm prompt.
In the integrated fire-folding sub-circuit structure, an integrated chip adopts an ASIC design, so that the phenomenon of incapability of resetting and dead halt does not occur, and the problem of dead halt caused by mcu with poor anti-interference is reduced; in the power saving mode, the quiescent current is small (< 5 uA); the integrated chip comprises a short circuit protection function (SCP), an undervoltage protection function (UVLO) and an overheat protection function (OTP); constant voltage output control is realized; the impedance of the supported heating wire L1 is as low as 0.8 ohm; the airflow sensor MT recognizes the change of the external capacitor to realize the ignition action and has the anti-suck-back function; realize the long-time ignition protection of 10 seconds; the real LED indicator lamp displays, and simulates the visual effect in the actual ignition process; realize wide voltage charging (4.5-6V), the charging performance is superior; adding an independent USB charging port; the method has the advantage of high accuracy (within 1%) of the detection error of the charging voltage; the intelligent charging management is realized, the trickle charging, the constant current charging and the constant voltage charging are mutually switched in the charging process, and the safety of the battery in the charging process is ensured. Besides, the peripheral application circuit of the system is simple, the elements are few, and the cost is low; SOT23-5 package, SOT23-6 package or DFN8 package can be selected.
The integrated fire-folding sub-circuit structure can realize the ignition function by adding a small number of electronic components (LED indicator lamp, airflow sensor MT, heating wire L1) into an integrated circuit chip, saves elements such as a charging management chip, an MCU, a triode and the like, can greatly save cost, avoids the known problems of removing faults, and reduces complex troubleshooting fault processes. The structure has the advantages of simple structure, convenient use, intelligence, long service life, small PCB circuit area and the like.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by this patent.
Claims (4)
1. An integrated fire-folding sub-circuit structure, characterized in that: including integrated circuit chip U1, pilot lamp LED, air current sensor MT, heater L1, electric capacity C2, battery BAT and USB charger, battery BAT negative pole ground connection, battery BAT positive pole is connected integrated circuit chip U1, air current sensor MT's one end ground connection, air current sensor MT's the other end is connected integrated circuit chip U1, pilot lamp LED's positive pole is connected integrated circuit chip U1, pilot lamp LED's negative pole ground connection, integrated circuit chip U1 is connected to heater L1's one end, electric capacity C1's the other end ground connection, electric capacity C1's one end is connected battery BAT positive pole, electric capacity C1's the other end ground connection, USB charger is connected integrated circuit chip U1, electric capacity C2's one end is connected integrated circuit chip U1, electric capacity C2's the other end is connected USB charger.
2. An integrated fire-folded sub-circuit structure as claimed in claim 1, wherein: the integrated circuit chip U1 is XC618 in chip type, and comprises a logic control circuit, an LED indicator light driving circuit, an AT driving module, a charging control module and a signal processing module, wherein the logic control circuit is respectively connected with the LED indicator light driving circuit, the AT driving module, the charging control module and the signal processing module, the LED indicator light driving circuit is connected with an indicator light LED, the AT driving module is connected with a heating wire L1, the charging control module is connected with a battery BAT, and the signal processing module is connected with an airflow sensor MT.
3. An integrated fire-folded sub-circuit structure as claimed in claim 2, characterized in that: the integrated circuit chip U1 further comprises an overcurrent protection module, an overtemperature protection module and a short circuit protection module, wherein the overcurrent protection module, the overtemperature protection module and the short circuit protection module are all connected with the AT driving module.
4. An integrated fire-folded sub-circuit structure as claimed in claim 3, characterized in that: the integrated circuit chip U1 further comprises an under-voltage protection module, and the charging control module and the logic control circuit are connected through the under-voltage protection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166640.0U CN219955394U (en) | 2023-05-16 | 2023-05-16 | Integrated fire-folding sub-circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166640.0U CN219955394U (en) | 2023-05-16 | 2023-05-16 | Integrated fire-folding sub-circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219955394U true CN219955394U (en) | 2023-11-03 |
Family
ID=88556133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166640.0U Active CN219955394U (en) | 2023-05-16 | 2023-05-16 | Integrated fire-folding sub-circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219955394U (en) |
-
2023
- 2023-05-16 CN CN202321166640.0U patent/CN219955394U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203466383U (en) | Intelligent static safe energy-saving multifunctional socket with zero power consumption | |
| US20210120879A1 (en) | Load and sterilization combination control circuit | |
| CN104425997A (en) | Intelligent static safe energy-saving multifunctional socket with zero power consumption | |
| CN203504154U (en) | Battery protection switch circuit | |
| CN209516621U (en) | Under-voltage protecting circuit and cell apparatus | |
| CN209149525U (en) | A kind of safety utilization of electric power equipment | |
| CN219955394U (en) | Integrated fire-folding sub-circuit structure | |
| CN109017425A (en) | New energy electric motor vehicle charging control circuit | |
| CN209282888U (en) | Intelligent charge management module | |
| CN208353060U (en) | A kind of battery and power supply adaptor supply power with double circuit switching circuit | |
| CN204759079U (en) | Novel have out an electron cigarette controller that short circuit detected function | |
| CN104459545A (en) | Control circuit and battery short circuit testing device including control circuit | |
| CN104600763A (en) | Under-voltage protection circuit and lamp | |
| CN104065043B (en) | Battery under-voltage protection and display circuit | |
| CN103401215B (en) | A kind of over-and under-voltage protection circuit, protection socket and terminal | |
| CN207234697U (en) | A kind of wind turbine SS (soft start) control circuit | |
| CN206041485U (en) | Electrical safety protection circuit of battery | |
| CN214586458U (en) | Optional overcurrent threshold protection controller with resistance identification function | |
| CN113394013B (en) | Intelligent voltage transformer | |
| CN212849864U (en) | Reverse connection prevention and overvoltage prevention indicating circuit | |
| CN201167078Y (en) | Intelligent protection switch for communication office stations | |
| CN205911947U (en) | Power supply ware starts constant current circuit | |
| CN209417237U (en) | DC relay closed state detection device | |
| CN208923870U (en) | A kind of efficiently power-off accumulation of energy protection circuit | |
| CN207369376U (en) | A kind of emergency light circuit of invariable power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |