CN220423250U - Portable monitoring circuit and shoes - Google Patents
Portable monitoring circuit and shoes Download PDFInfo
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- CN220423250U CN220423250U CN202320558230.4U CN202320558230U CN220423250U CN 220423250 U CN220423250 U CN 220423250U CN 202320558230 U CN202320558230 U CN 202320558230U CN 220423250 U CN220423250 U CN 220423250U
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- circuit
- resistor
- monitoring circuit
- mos tube
- charging
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 238000007654 immersion Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 102100028043 Fibroblast growth factor 3 Human genes 0.000 description 1
- 102100024061 Integrator complex subunit 1 Human genes 0.000 description 1
- 101710092857 Integrator complex subunit 1 Proteins 0.000 description 1
- 108050002021 Integrator complex subunit 2 Proteins 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a portable monitoring circuit and shoes, the monitoring circuit is arranged in a human body wearing article, the monitoring circuit comprises: the device comprises a power circuit, a wireless communication module circuit, a positioning system circuit, an MCU circuit and a soaking detection circuit, wherein the wireless communication module circuit, the positioning system circuit and the soaking detection circuit are respectively connected with the MCU circuit; the immersion detection circuit includes: the fifth MOS tube, the third resistor, the fourth resistor, the third resistor and the third resistor; the first connecting end of the immersion sensor interface is connected with the grid electrode of the fifth MOS tube, the drain electrode of the fifth MOS tube is connected with a third fifth resistor in series and used for supplying power through the third fifth resistor, the third sixth resistor connected with the drain electrode of the fifth MOS tube is used for limiting current, the second connecting end of the immersion sensor interface is connected with a third fourth resistor and used for supplying power through the third fourth resistor, and the third resistor is connected with the first connecting end and grounded and used for protecting the fifth MOS tube.
Description
Technical Field
The utility model belongs to the technical field of electronics, and particularly relates to a portable monitoring circuit and shoes.
Background
Along with the complicating of human living environment, population increases, and danger to old man and children is more and more, especially complicated geographical environment, lets old man and children walk away more easily, and river lake and human living environment are closer for the condition of drowning takes place.
At present, aiming at the problem of lost old people and children, tracking is realized mainly by a public monitoring system, and the birth public monitoring system has a certain monitoring blind area and cannot comprehensively monitor in place, so that a plurality of lost cases still exist.
Meanwhile, the aged and children drown mainly through passersby discovery at present, the aged and children cannot actively discover in time, and the rescue is not in time, so that a greater crisis occurs.
The existing monitoring mode comprises portable intelligent equipment, but the equipment is easy to lose and sometimes forgets to carry, so that the problem of incapability of timely and accurate early warning is caused.
Disclosure of Invention
The embodiment of the utility model provides a portable monitoring circuit and shoes, which aim to solve the problem of safety monitoring for old people and children in the prior art.
The embodiment of the utility model provides a portable monitoring circuit, which is arranged in a human body wearing article and comprises: the device comprises a power circuit, a wireless communication module circuit, a positioning system circuit, an MCU circuit and a soaking detection circuit, wherein the wireless communication module circuit, the positioning system circuit and the soaking detection circuit are respectively connected with the MCU circuit;
the flooding detection circuit includes: the fifth MOS tube, the third resistor, the fourth resistor, the third resistor, the fifth resistor, the third resistor, the sixth resistor and the immersion sensor interface;
the first connecting end of the immersion sensor interface is connected with the grid electrode of the fifth MOS tube, the drain electrode of the fifth MOS tube is connected with a third fifth resistor in series and used for supplying power through the third fifth resistor, the third sixth resistor connected with the drain electrode of the fifth MOS tube is used for limiting current, the second connecting end of the immersion sensor interface is connected with the third fourth resistor and used for supplying power through the third fourth resistor, and the third resistor is connected with the first connecting end and grounded and used for protecting the fifth MOS tube.
Preferably, the monitoring circuit further comprises a pedometer circuit.
Preferably, the pedometer circuit comprises a triaxial acceleration chip, and a first four resistor and a second resistor which are respectively connected with a first input end and a second input end of the triaxial acceleration chip in series.
Preferably, the power supply circuit includes: the battery charging circuit, the voltage stabilizing circuit and the battery voltage acquisition circuit.
Preferably, the battery charging circuit includes: the charging management chip is connected with the charging input pin of the charging management chip through the first resistor, and the charging display circuit is connected with the charging input pin of the charging management chip through the second resistor.
Preferably, the battery voltage acquisition circuit includes: the voltage acquisition switch circuit and the voltage sampling circuit.
Preferably, the voltage acquisition switch circuit comprises a first nine resistor connected with the MCU circuit and used for inputting an enabling signal, a third MOS tube with a grid electrode connected with the first nine resistor and a first eight resistor, wherein a drain electrode of the third MOS tube is connected to a battery output, two ends of the first eight resistor are respectively connected to the grid electrode of the third MOS tube and the battery output, and a source electrode of the third MOS tube is connected to the voltage sampling circuit.
Preferably, the voltage sampling circuit includes: the battery voltage sampling input end is also connected with the first capacitor and is grounded.
Preferably, the wireless communication module circuit comprises a communication chip supporting wifi positioning and base station positioning functions.
The utility model also provides a shoe, wherein the shoe is provided with the immersion sensor and the portable monitoring circuit, and the immersion sensor is connected to the immersion sensor interface.
The utility model has the beneficial effects that: the utility model discloses a soaking detection circuit which comprises a MOS tube Q5, four resistors R33, R34, R35, R36 and P1, wherein the resistors are soaking probe interfaces, when the probe is soaked, G pole of the Q5 is changed to high level to be conducted, and the PA1_ADC_In2 is changed to low level to realize the identification of whether soaking is carried out. R34 is a probe power supply resistor, R35 is Q5 power supply, R36 is a current limiting resistor of Q5 and MCU, R33 is a pull-down resistor of Q5, and reliable cut-off of Q5 before soaking is ensured. The circuit has simple structure and high reliability, and is suitable for being arranged in clothes and shoes worn by human bodies.
Drawings
FIG. 1 is a schematic diagram of a monitoring circuit according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a water immersion detection circuit provided by an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a pedometer circuit provided by an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a battery charging circuit provided by an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a voltage stabilizing circuit according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a battery voltage sampling circuit according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, in an embodiment of the present utility model, the portable monitoring circuit is disposed in a human body wearing article, such as shoes, clothes, etc., and the monitoring circuit includes: the wireless communication module circuit, the positioning system circuit and the immersion detection circuit are respectively connected with the MCU circuit.
In this embodiment, the flooding detection circuit includes: the fifth MOS tube Q5, the third resistor R33, the third fourth resistor R34, the third fifth resistor R35, the third sixth resistor R36 and the immersion sensor interface P1; the first connection end of the immersion sensor interface P1 is connected to the gate of the fifth MOS transistor Q5, the drain of the fifth MOS transistor Q5 is connected in series with a third fifth resistor R35 for supplying power through the third fifth resistor R35, a third sixth resistor R36 connected to the drain of the fifth MOS transistor Q5 is used for current limiting, the second connection end of the immersion sensor interface P1 is connected to the third fourth resistor R34 for supplying power through the third fourth resistor R34, and the third resistor R33 is connected to the first connection end and is grounded for protecting the fifth MOS transistor Q5.
In this embodiment, as shown in fig. 1, the monitoring circuit further includes a pedometer circuit. As a specific implementation manner, the pedometer circuit comprises a triaxial acceleration chip U3 which is used for sensing a motion state, realizing motion collection, transmitting the motion collection to an MCU or a background for data processing to determine the motion steps of a user, wherein the triaxial acceleration chip is of a model SC7A22C. As shown in fig. 3, the pedometer circuit further includes a first fourth resistor R14 and a second resistor R22 connected in series with the first input terminal INT1 and the second input terminal INT2 of the triaxial acceleration chip U3, respectively, and the first resistor R14 and the second resistor R22 are pull-up resistors of the interrupt 1 and the interrupt 2, respectively.
In this embodiment, as a monitoring circuit for a human body wearable article, a stable and reliable power input is required, and in this embodiment, the monitoring circuit is powered by a battery, so the power circuit includes: the battery charging circuit, the voltage stabilizing circuit and the battery voltage acquisition circuit.
As shown in fig. 4, the battery charging circuit includes: the charging management chip U5, the charging display circuit, a tenth capacitor C10 connected to the charging input pin of the charging management chip, and a first seventh resistor R17 connected to the current setting pin of the charging management chip U5. The first sixth resistor R16, the seventh resistor R37 and the LED lamp bead D1 form a charging display circuit, and the remaining ninth capacitor C9 and tenth capacitor C10 are used as filtering circuits.
As shown in fig. 5, in this embodiment, the voltage stabilizing circuit is mainly implemented by a 3.3V voltage stabilizing chip, the eleventh capacitor C11 and the twelfth capacitor C12 are used for filtering, and in combination with fig. 4, the seventeenth resistor R17 is a current setting resistor, when the resistor is 4.7K, the charging current is 212mA, and the charging voltage is input through the 4 pin of U5, and is charged from the 3 pin of U5 to the battery.
As shown in fig. 6, in this embodiment, the battery voltage acquisition circuit includes: the voltage acquisition switch circuit and the voltage sampling circuit. Specifically, the voltage acquisition switch circuit includes a first nine resistor R19 connected with the MCU circuit for inputting an enable signal, a third MOS transistor Q3 with a gate connected with the first nine resistor R19, and a first eight resistor R18, a drain of the third MOS transistor Q3 is connected to a battery output, two ends of the first eight resistor R18 are respectively connected to the gate of the third MOS transistor Q3 and the battery output, and a source of the third MOS transistor Q3 is connected to the voltage sampling circuit.
Specifically, the voltage sampling circuit includes: the battery voltage sampling circuit comprises a second zero resistor R20, a second first resistor R21 and a first third capacitor C13, wherein the second zero resistor R20 is connected to a battery voltage sampling input, the second first resistor R21 is connected with the second zero resistor R20 in series and grounded, and the battery voltage sampling input end is also connected with the first third capacitor C13 and grounded and used for filtering.
When the battery voltage needs to be sampled, a command is sent to the MCU to enable BAT EN to be in a low level, Q3 is conducted, R20 and R21 form a voltage sampling circuit, and the sampling ratio is 1:0.4. The rechargeable battery is divided into two groups of power supply circuits, one is directly supplied to the 4G module, and the other is supplied to the MCU, the positioning system circuit, the pedometer, the water immersion detection circuit and the like after being stabilized to 3.3V through U6.
In this embodiment, the wireless communication module circuit includes a communication chip supporting wifi positioning and base station positioning functions, for example, a communication chip with a model of EC800M-CN or Air780E, and the related configuration circuit further includes a SIM card chip, a switch circuit, a voltage stabilizing circuit, and the like.
In this embodiment, the positioning system circuit mainly comprises a positioning chip and peripheral components.
In this embodiment, the core of the MCU circuit adopts a single chip microcomputer chip, and the model is N32L403KBQ7, which is used for exchanging information, controlling and enabling.
Based on the above embodiments, the present utility model also provides a shoe, on which a submergence sensor and a portable monitoring circuit as described in any one of the above are provided, the submergence sensor being connected to the submergence sensor interface.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A portable monitoring circuit, wherein the monitoring circuit is disposed in a human wearer, the monitoring circuit comprising: the device comprises a power circuit, a wireless communication module circuit, a positioning system circuit, an MCU circuit and a soaking detection circuit, wherein the wireless communication module circuit, the positioning system circuit and the soaking detection circuit are respectively connected with the MCU circuit;
the flooding detection circuit includes: the fifth MOS tube, the third resistor, the fourth resistor, the third resistor, the fifth resistor, the third resistor and the sixth resistor and the immersion sensor interface;
the first connecting end of the immersion sensor interface is connected with the grid electrode of the fifth MOS tube, the drain electrode of the fifth MOS tube is connected with a third fifth resistor in series and used for supplying power through the third fifth resistor, the third sixth resistor connected with the drain electrode of the fifth MOS tube is used for limiting current, the second connecting end of the immersion sensor interface is connected with the third fourth resistor and used for supplying power through the third fourth resistor, and the third resistor is connected with the first connecting end and grounded and used for protecting the fifth MOS tube.
2. The on-body monitoring circuit of claim 1 wherein the monitoring circuit further comprises a pedometer circuit.
3. The on-body monitoring circuit of claim 2 wherein the pedometer circuit comprises a tri-axis acceleration chip, and a first four resistor and a second resistor connected in series with a first input and a second input of the tri-axis acceleration chip, respectively.
4. The on-body monitoring circuit of claim 1 wherein the power supply circuit comprises: the battery charging circuit, the voltage stabilizing circuit and the battery voltage acquisition circuit.
5. The on-body monitoring circuit of claim 4 wherein the battery charging circuit comprises: the charging management chip is connected with the charging input pin of the charging management chip through the first resistor, and the charging display circuit is connected with the charging input pin of the charging management chip through the second resistor.
6. The on-body monitoring circuit of claim 4 wherein the battery voltage acquisition circuit comprises: the voltage acquisition switch circuit and the voltage sampling circuit.
7. The portable monitor circuit according to claim 6, wherein the voltage acquisition switch circuit comprises a first nine resistor connected with the MCU circuit for inputting an enable signal, a third MOS transistor with a gate connected with the first nine resistor, and a first eight resistor, a drain of the third MOS transistor is connected to a battery output, two ends of the first eight resistor are respectively connected to a gate of the third MOS transistor and the battery output, and a source of the third MOS transistor is connected to the voltage sampling circuit.
8. The on-body monitoring circuit of claim 6 wherein the voltage sampling circuit comprises: the battery voltage sampling input end is also connected with the first capacitor and is grounded.
9. The portable monitoring circuit of claim 1 wherein the wireless communication module circuit comprises a communication chip supporting wifi positioning and base station positioning functions.
10. A shoe, characterized in that it is provided with a submergence sensor and a portable monitoring circuit according to any of claims 1-9, the submergence sensor being connected to the submergence sensor interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320558230.4U CN220423250U (en) | 2023-03-21 | 2023-03-21 | Portable monitoring circuit and shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320558230.4U CN220423250U (en) | 2023-03-21 | 2023-03-21 | Portable monitoring circuit and shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220423250U true CN220423250U (en) | 2024-02-02 |
Family
ID=89686680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320558230.4U Active CN220423250U (en) | 2023-03-21 | 2023-03-21 | Portable monitoring circuit and shoes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220423250U (en) |
-
2023
- 2023-03-21 CN CN202320558230.4U patent/CN220423250U/en active Active
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