CN113670380A - Portable disaster monitoring and positioning device - Google Patents

Portable disaster monitoring and positioning device Download PDF

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Publication number
CN113670380A
CN113670380A CN202110929336.6A CN202110929336A CN113670380A CN 113670380 A CN113670380 A CN 113670380A CN 202110929336 A CN202110929336 A CN 202110929336A CN 113670380 A CN113670380 A CN 113670380A
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China
Prior art keywords
capacitor
circuit
resistor
capacitance
triode
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CN202110929336.6A
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Chinese (zh)
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CN113670380B (en
Inventor
黄平
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Suzhou Yikai Communication Technology Co ltd
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Suzhou Yikai Communication Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/14Receivers specially adapted for specific applications
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2612Data acquisition interface

Abstract

The invention provides a portable disaster monitoring and positioning device, which comprises a control circuit, a smoke detection circuit, a power supply circuit and a communication circuit, wherein the communication circuit comprises a first communication chip and a power supply control unit, the first communication chip comprises a first power supply connecting end, a second power supply connecting end, the power supply control unit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, the first capacitor, the second capacitor, the third capacitor, the fourth capacitor, the sixth capacitor, the first electrolytic capacitor, the second capacitor, the third capacitor, the fourth capacitor, the sixth capacitor, the first electrolytic capacitor, the second capacitor, the first field effect transistor and the second field effect transistor are connected in parallel. The portable disaster monitoring and positioning device can improve the positioning accuracy.

Description

Portable disaster monitoring and positioning device
Technical Field
The invention relates to the field of disaster monitoring, in particular to a portable disaster monitoring positioning device.
Background
The disaster monitoring device is a scientific instrument for rescue, can be used for search and rescue work of sudden natural disasters such as earthquakes, fires and the like, and is convenient for rescue workers to know the situation of a disaster location. The existing disaster monitoring devices can only be placed at fixed positions generally, and personnel can not carry the devices at any time and can not carry out remote communication, so that only the disaster site can be known during rescue, and the real-time position condition of trapped personnel can not be known remotely. Therefore, it is necessary to design a new disaster monitoring device to solve the above problems.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide a portable disaster monitoring and positioning device, which is portable, can communicate in real time, and is convenient for knowing the position of the trapped person in real time.
In order to achieve the above object, the present invention provides a portable disaster monitoring and positioning device, which includes a control circuit, a smoke detection circuit, an acceleration sensing circuit, a GPS positioning circuit and a power circuit, wherein the control circuit is electrically connected to the smoke detection circuit and the power circuit, respectively, and the power circuit is electrically connected to the smoke detection circuit; the portable disaster monitoring and positioning device is characterized by further comprising a communication circuit, wherein the communication circuit is electrically connected with the control circuit and the power circuit respectively, the communication circuit comprises a first communication chip and a power supply control unit, the first communication chip comprises a first power supply connecting end and a second power supply connecting end, the power supply control unit comprises first to ninth capacitors, a first electrolytic capacitor, a second electrolytic capacitor, first to fourth resistors, a first field effect transistor and a first triode, the first to third capacitors are connected between the first power supply connecting end and a ground wire in parallel, the fourth capacitor, the fifth capacitor, the sixth capacitor and the first electrolytic capacitor are connected between the second power supply connecting end and the ground wire in parallel, and the anode of the first electrolytic capacitor is connected with the second power supply connecting end, the first field effect transistor and the first triode in parallel respectively, The drain electrode of the first field effect transistor is electrically connected, the seventh capacitor is connected between the drain electrode and the grid electrode of the first field effect transistor, the eighth capacitor and the first resistor are connected in parallel between the source and the gate of the first field effect transistor, the ninth capacitor and the second electrolytic capacitor are connected in parallel between the source electrode of the first field effect transistor and the ground wire, wherein the anode of the second electrolytic capacitor is respectively connected with the source electrode of the first field effect transistor and the power circuit, the second resistor is connected between the grid of the first field effect transistor and the collector of the first triode, the emitting electrode of the first triode is grounded, the third resistor is connected between the base electrode of the first triode and the ground wire, the base of the first triode is further electrically connected with the first end of the fourth resistor, and the second end of the fourth resistor is electrically connected with the control circuit.
As a selectable scheme, the communication circuit further includes an activation unit, the activation unit includes a second triode, a fifth resistor, and a sixth resistor, a collector of the second triode is electrically connected to the third terminal of the first chip, an emitter of the second triode is grounded, the sixth resistor is connected between a base and the emitter of the second triode, one end of the fifth resistor is electrically connected to the control circuit, and the other end of the fifth resistor is electrically connected to the base of the second triode.
Optionally, the sixth resistance value is ten times the fifth resistance value.
Optionally, the fifth resistor has a resistance of 4.7k Ω, and the sixth resistor has a resistance of 47k Ω.
Optionally, the first chip is an LTE _ EC21 series chip.
Optionally, a capacitance value of the first capacitor is equal to a capacitance value of the fifth capacitor, a capacitance value of the second capacitor is equal to a capacitance value of the sixth capacitor, and a capacitance value of the third capacitor is equal to a capacitance value of the fourth capacitor.
Optionally, the capacitance value of the first capacitor is 10pF, the capacitance value of the second capacitor is 33pF, the capacitance value of the third capacitor is 100nF, and the capacitance value of the first electrolytic capacitor is 220 μ F.
Optionally, a capacitance value of the seventh capacitor is 100nF, capacitance values of the eighth capacitor and the ninth capacitor are both 4.7 μ F, the resistance value of the first resistor is 150k Ω, and a capacitance value of the second electrolytic capacitor is 1 μ F.
Optionally, the third resistor has a resistance of 150k Ω, and the fourth resistor has a resistance of 47k Ω.
As an optional scheme, the portable disaster monitoring and positioning device further comprises a host, the control circuit, the communication circuit, the smoke detection circuit and the power circuit are installed in the host, and a lifting belt is further arranged on the host.
Compared with the prior art, the portable disaster monitoring and positioning device is convenient to carry, can communicate in real time, and is convenient for knowing the position of trapped people in real time.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a schematic block diagram of the portable disaster monitoring and positioning device according to one embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of the communication circuit of the portable disaster monitoring and positioning device according to the present invention;
FIG. 3 is a schematic circuit diagram of a power circuit of the portable disaster monitoring and positioning device according to the present invention;
fig. 4 is a schematic circuit diagram of a control circuit of the portable disaster monitoring positioning device according to the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 4, fig. 1 is a schematic circuit diagram of a portable disaster monitoring and positioning device according to an embodiment of the present invention, fig. 2 is a schematic circuit diagram of a communication circuit of the portable disaster monitoring and positioning device according to the present invention, fig. 3 is a schematic circuit diagram of a power circuit of the portable disaster monitoring and positioning device according to the present invention, and fig. 4 is a schematic circuit diagram of a control circuit of the portable disaster monitoring and positioning device according to the present invention. The portable disaster monitoring and positioning device comprises a host, a control circuit, a communication circuit, a smoke detection circuit and a power supply circuit, wherein the control circuit, the communication circuit, the smoke detection circuit, an acceleration sensing circuit, a GPS positioning circuit and the power supply circuit are arranged in the host, and a lifting belt is further arranged on the host, so that the portable disaster monitoring and positioning device is convenient to carry. The lifting belt can be a cloth belt or a plastic belt, or more than two cloth belts or plastic belts, and can be specifically arranged according to needs, and is not limited herein. When the portable disaster monitoring and positioning device is used, the trapped person can carry the portable disaster monitoring and positioning device by hand, shoulder or back through the carrying belt, so that the position of the trapped person is consistent with that of the portable disaster monitoring and positioning device.
The control circuit adopts an STM32L0 series chip as a central processing unit, the central processing unit of the control circuit is matched with a peripheral circuit for use, and the control circuit, the smoke detection circuit, the acceleration sensing circuit and the GPS positioning circuit belong to the prior art in the field, so the control circuit is not described in detail in the application. In addition, the control method of the control circuit to the communication circuit, the smoke detection circuit, the acceleration sensing circuit and the GPS positioning circuit also belongs to the conventional technology in the field, and since the present application mainly protects the structural part of the communication circuit, not the control of the control circuit to different circuits, the following description mainly focuses on the description of the hardware circuit.
In the application, the control circuit is electrically connected with the communication circuit, the smoke detection circuit and the power circuit respectively, and the power circuit is electrically connected with the communication circuit and the smoke detection circuit respectively; the communication circuit comprises a first communication chip and a power supply control unit, wherein the first communication chip comprises a first power supply connection end 59 and a second power supply connection end 57, the power supply control unit comprises a first capacitor C216, a second capacitor C218, a third capacitor C202, a fourth capacitor C203, a fifth capacitor C220, a sixth capacitor C221, a seventh capacitor C209, an eighth capacitor C210, a ninth capacitor C215, a first electrolytic capacitor C222, a second electrolytic capacitor C211, a first resistor R216, a second resistor R201, a third resistor R218, a fourth resistor R217, a first field effect transistor Q207 and a first triode Q208, the first capacitor C216, the second capacitor C218 and the third capacitor C202 are connected between the first power supply connection end 59 and the ground wire in parallel, the fourth capacitor C203, the fifth capacitor C220, the sixth capacitor C221 and the first electrolytic capacitor C222 are connected between the second power supply connection end 57 and the ground wire in parallel, and the positive electrode 57 of the first electrolytic capacitor C222 is connected between the second power supply connection end 57 and the ground wire respectively, The drain of the first field effect transistor Q207 is electrically connected, a seventh capacitor C209 is connected between the drain and the gate of the first field effect transistor Q207, an eighth capacitor C210 and a first resistor R216 are connected in parallel between the source and the gate of the first field effect transistor Q207, a ninth capacitor C215 and a second electrolytic capacitor C211 are connected in parallel between the source of the first field effect transistor Q207 and the ground, wherein the positive electrode of the second electrolytic capacitor C211 is connected to the source of the first field effect transistor Q207 and the power supply circuit, a second resistor R201 is connected between the gate of the first field effect transistor Q207 and the collector of the first triode Q208, the emitter of the first triode Q208 is connected to the ground, a third resistor R218 is connected between the base of the first triode Q208 and the ground, the base of the first triode Q208 is further electrically connected to a first end of a fourth resistor R217, and a second end of the fourth resistor R217 is electrically connected to the control circuit.
In addition, the portable disaster monitoring and positioning device further comprises an activation unit, the activation unit comprises a second triode Q205, a fifth resistor R203 and a sixth resistor R204, a collector of the second triode Q205 is electrically connected with the third terminal 1 of the first chip, an emitter of the second triode Q205 is grounded, the sixth resistor R204 is connected between a base and an emitter of the second triode Q205, one end of the fifth resistor R203 is electrically connected with the control circuit, and the other end of the fifth resistor R203 is electrically connected with the base of the second triode Q205.
In this embodiment, the first chip is an LTE _ EC21 series chip, the capacitance of the first capacitor C216 is equal to the capacitance of the fifth capacitor C220, the capacitance of the second capacitor C218 is equal to the capacitance of the sixth capacitor C221, the capacitance of the third capacitor C202 is equal to the capacitance of the fourth capacitor C203, and the resistance of the sixth resistor R204 is ten times the resistance of the fifth resistor R203. The capacitance values of the first capacitor C216 and the fifth capacitor C220 are, for example, 10pF, the capacitance values of the second capacitor C218 and the sixth capacitor C221 are, for example, 33pF, the capacitance values of the third capacitor C202 and the fourth capacitor C203 are, for example, 100nF, the capacitance value of the seventh capacitor C209 is, for example, 100nF, the capacitance values of the eighth capacitor C210 and the ninth capacitor C215 are, for example, 4.7 μ F, the capacitance value of the first electrolytic capacitor C222 is, for example, 220 μ F, the capacitance value of the second electrolytic capacitor C211 is, for example, 1 μ F, the resistance value of the first resistor R216 is, for example, 150k Ω, the resistance value of the second resistor R201 is, for example, 0 to 1 Ω, the resistance value of the third resistor R218 is, for example, 150k Ω, the resistance value of the fourth resistor R217 is, for example, 47k Ω, the resistance value of the fifth resistor R203 is, for example, 4.7k, and the resistance value of the sixth resistor R204 Ω is, for example, 47k Ω. In practical application, the parameter values of all the components can be adjusted adaptively according to actual needs.
During use, the pin PA8_ LTE _ PWR of the control circuit sends a first control signal to the power supply control unit, so that the base of the first triode Q208 has a first trigger voltage signal, the first triode Q208 is turned on, and the collector of the first triode Q208 outputs a voltage signal to the gate of the first field-effect transistor Q207, so that the first field-effect transistor Q207 is turned on, and the power supply circuit can supply power to the communication circuit. In addition, the pin PA13_ LTE _ WK of the control circuit sends a second control signal to the activation unit, so that the base of the second transistor Q205 has a second trigger voltage signal, and the second transistor Q205 is turned on, thereby waking up the first chip and enabling the first chip to work normally.
In summary, the portable disaster monitoring and positioning device of the invention is convenient to carry, can communicate in real time, and is convenient for knowing the position of the trapped person in real time.
The above detailed description of the preferred embodiments is intended to more clearly illustrate the features and spirit of the present invention, and is not intended to limit the scope of the present invention by the preferred embodiments disclosed above. On the contrary, it is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims. The scope of the invention is therefore to be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the scope of the appended claims.

Claims (10)

1. A portable disaster monitoring and positioning device comprises a control circuit, a smoke detection circuit, an acceleration sensing circuit, a GPS positioning circuit and a power supply circuit, wherein the control circuit is respectively electrically connected with the smoke detection circuit, the acceleration sensing circuit, the GPS positioning circuit and the power supply circuit; the portable disaster monitoring and positioning device is characterized by further comprising a communication circuit, wherein the communication circuit is electrically connected with the control circuit and the power circuit respectively, the communication circuit comprises a first communication chip and a power supply control unit, the first communication chip comprises a first power supply connecting end and a second power supply connecting end, the power supply control unit comprises first to ninth capacitors, a first electrolytic capacitor, a second electrolytic capacitor, first to fourth resistors, a first field effect transistor and a first triode, the first to third capacitors are connected between the first power supply connecting end and a ground wire in parallel, the fourth capacitor, the fifth capacitor, the sixth capacitor and the first electrolytic capacitor are connected between the second power supply connecting end and the ground wire in parallel, and the anode of the first electrolytic capacitor is connected with the second power supply connecting end, the first field effect transistor and the first triode in parallel respectively, The drain electrode of the first field effect transistor is electrically connected, the seventh capacitor is connected between the drain electrode and the grid electrode of the first field effect transistor, the eighth capacitor and the first resistor are connected in parallel between the source and the gate of the first field effect transistor, the ninth capacitor and the second electrolytic capacitor are connected in parallel between the source electrode of the first field effect transistor and the ground wire, wherein the anode of the second electrolytic capacitor is respectively connected with the source electrode of the first field effect transistor and the power circuit, the second resistor is connected between the grid of the first field effect transistor and the collector of the first triode, the emitting electrode of the first triode is grounded, the third resistor is connected between the base electrode of the first triode and the ground wire, the base of the first triode is further electrically connected with the first end of the fourth resistor, and the second end of the fourth resistor is electrically connected with the control circuit.
2. The portable disaster monitoring and locating device as recited in claim 1, wherein the communication circuit further comprises an activating unit, the activating unit comprises a second triode, a fifth resistor and a sixth resistor, a collector of the second triode is electrically connected to the third terminal of the first chip, an emitter of the second triode is grounded, the sixth resistor is connected between a base and an emitter of the second triode, one end of the fifth resistor is electrically connected to the control circuit, and the other end of the fifth resistor is electrically connected to the base of the second triode.
3. The portable disaster monitoring location device of claim 2 wherein the sixth resistance value is ten times the fifth resistance value.
4. The portable disaster monitoring location device as in claim 3, wherein the fifth resistor is 4.7k Ω and the sixth resistor is 47k Ω.
5. The portable disaster monitoring and locating device as recited in claim 1 wherein the first chip is a LTE _ EC21 family chip.
6. The portable disaster monitoring location device as recited in claim 1 wherein the capacitance of said first capacitor is equal to the capacitance of said fifth capacitor, the capacitance of said second capacitor is equal to the capacitance of said sixth capacitor, and the capacitance of said third capacitor is equal to the capacitance of said fourth capacitor.
7. The portable disaster monitoring location device as in claim 6 wherein the capacitance of said first capacitor is 10pF, the capacitance of said second capacitor is 33pF, the capacitance of said third capacitor is 100nF, and the capacitance of said first electrolytic capacitor is 220 μ F.
8. The portable disaster monitoring location device as in claim 6 wherein the capacitance of the seventh capacitor is 100nF, the capacitance of the eighth capacitor and the capacitance of the ninth capacitor are both 4.7 μ F, the first resistance is 150k Ω and the capacitance of the second electrolytic capacitor is 1 μ F.
9. The portable disaster monitoring location device as in claim 6, wherein the third resistor is 150k Ω and the fourth resistor is 47k Ω.
10. The portable disaster monitoring location device as in claim 1 further comprising a host, wherein said control circuit, said communication circuit, said smoke detection circuit and said power circuit are mounted inside said host, and wherein a strap is further provided on said host.
CN202110929336.6A 2021-08-13 2021-08-13 Portable disaster monitoring and positioning device Active CN113670380B (en)

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Application Number Priority Date Filing Date Title
CN202110929336.6A CN113670380B (en) 2021-08-13 2021-08-13 Portable disaster monitoring and positioning device

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Application Number Priority Date Filing Date Title
CN202110929336.6A CN113670380B (en) 2021-08-13 2021-08-13 Portable disaster monitoring and positioning device

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CN113670380A true CN113670380A (en) 2021-11-19
CN113670380B CN113670380B (en) 2024-03-19

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201341029Y (en) * 2008-12-25 2009-11-04 中兴通讯股份有限公司 Charging device and circuit for mobile communication tool
WO2017097002A1 (en) * 2015-12-09 2017-06-15 深圳欧陆通电子有限公司 Anti-surge switching power supply and anti-surge circuit
CN108649689A (en) * 2018-04-09 2018-10-12 广州启恒智能科技有限公司 Electric network information monitors system
CN211826226U (en) * 2020-02-05 2020-10-30 广州都信电子科技有限公司 Intelligent thunder and lightning monitor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201341029Y (en) * 2008-12-25 2009-11-04 中兴通讯股份有限公司 Charging device and circuit for mobile communication tool
WO2017097002A1 (en) * 2015-12-09 2017-06-15 深圳欧陆通电子有限公司 Anti-surge switching power supply and anti-surge circuit
CN108649689A (en) * 2018-04-09 2018-10-12 广州启恒智能科技有限公司 Electric network information monitors system
CN211826226U (en) * 2020-02-05 2020-10-30 广州都信电子科技有限公司 Intelligent thunder and lightning monitor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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