CN214232451U - Special operation life protective equipment - Google Patents

Special operation life protective equipment Download PDF

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Publication number
CN214232451U
CN214232451U CN202023104894.9U CN202023104894U CN214232451U CN 214232451 U CN214232451 U CN 214232451U CN 202023104894 U CN202023104894 U CN 202023104894U CN 214232451 U CN214232451 U CN 214232451U
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detection unit
pin
chip
control unit
unit
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CN202023104894.9U
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Inventor
邢广怀
朱鑫亮
张学文
闫文军
李乃文
刘晓林
刘毅
曹晋军
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Compass Electronic Technology Hengshui Co ltd
Hebei special equipment supervision and inspection institute
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Compass Electronic Technology Hengshui Co ltd
Hebei special equipment supervision and inspection institute
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Abstract

The utility model relates to a special operation life protective equipment, which comprises a close-fitting protective clothing, wherein the close-fitting protective clothing is provided with a power supply unit, a gas detection unit, a control unit, a life detection unit and an alarm unit, the life detection unit is in circuit connection with the control unit, the power supply unit provides power for the whole circuit, and the life detection unit comprises a heartbeat detection unit, a body temperature detection unit and a blood pressure detection unit; the gas detection unit detects and alarms liquefied gas, petroleum gas and volatile combustible gas in a special operation environment, the heartbeat detection unit, the body temperature detection unit and the blood pressure detection unit respectively monitor heartbeat, body temperature and blood pressure of a special operation worker in real time and send the heartbeat, body temperature and blood pressure to the control unit, the heartbeat, body temperature and blood pressure are subjected to operation processing by the control unit, and the alarm unit alarms when the heartbeat, body temperature and blood pressure do not accord with normal vital signs; the gas of the life condition and the operation environment of the special operation personnel is detected and alarmed in real time, and the life safety of the operation personnel is effectively guaranteed.

Description

Special operation life protective equipment
Technical Field
The utility model belongs to the technical field of the special type operation protection, a special type operation life protective equipment is related to.
Background
Certain safety risks often exist in special operations, and safety liability accidents are easily caused. For the entry of special inspection personnel into a relatively closed environment, such as an elevator shaft or a pipeline, the interior of a tank body and the like, the danger exists, such as combustible gas, oxygen deficiency, toxic gas and the like, which threaten the life safety of the operating personnel, and therefore a series of protection facilities need to be implemented on special operating personnel.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a special operation life protective equipment through set up detection circuitry on close-fitting protective clothing, effectually ensures special operation personnel's life safety.
The technical proposal adopted by the utility model is that,
a life protection device for special operation comprises a close-fitting protection suit, wherein the close-fitting protection suit is provided with a power supply unit, a gas detection unit, a control unit, a life detection unit and an alarm unit, wherein the life detection unit and the alarm unit are in circuit connection with the control unit;
the power supply unit provides power for the whole circuit;
the control unit and the alarm unit are arranged on the outer layer of the elbow arm part of the close-fitting protective clothing, the gas detection unit is arranged on the outer layer of the shoulder part of the close-fitting protective clothing, and the life detection unit comprises a heartbeat detection unit, a body temperature detection unit and a blood pressure detection unit;
the heartbeat detection unit is arranged on the inner layer of the chest of the tight-fitting protective clothing and comprises a piezoelectric ceramic sensor, an amplifier U4 and an A/D conversion chip U3;
the body temperature detection unit is arranged in the inner layer of armpit parts of the tight-fitting protective clothing and comprises a temperature sensor, an amplifier U5 and an A/D conversion chip U6;
the blood pressure detection unit is arranged on the inner layer of the upper part of the tight-fitting protective clothing and comprises a pressure sensor and an A/D conversion chip U9;
the gas detection unit comprises a gas sensor U1, a four-two input NOT gate chip U2, a triode Q1, a buzzer BZ1 and a light-emitting diode LED 4;
the control unit comprises a control chip U8, a display chip U7 and a switch KEY KEY 1;
the alarm unit comprises a light emitting diode LED1, an LED2 and an LED 3.
Furthermore, the output end of the piezoceramic sensor is connected with the non-inverting input end of an amplifier U4, the output end of the amplifier U4 is connected with the inverting input end of the amplifier U4 through a resistor R5, a capacitor C2 is connected in parallel to the resistor R5, the output end of the amplifier U4 is connected with the VIN + pin of an A/D conversion chip U3, the CONVST, SCLK and DOUT pins of the A/D conversion chip U3 are all connected with a control unit, and the VIN-pin of the A/D conversion chip U3 is grounded.
Furthermore, the output end of the temperature sensor is connected with the non-inverting input end of an amplifier U5, the output end of the amplifier U5 is connected with the inverting input end of the amplifier U5 through a resistor R6, a capacitor C5 is connected in parallel to the resistor R6, the output end of the amplifier U5 is connected with the VIN + pin of an A/D conversion chip U6, the CONVST, SCLK and DOUT pins of the A/D conversion chip U6 are all connected with a control unit, and the VIN-pin of the A/D conversion chip U6 is grounded.
Furthermore, the output end of the pressure sensor is connected with the VIN + pin of the A/D conversion chip U9, the CONVST, SCLK and DOUT pins of the A/D conversion chip U9 are all connected with the control unit, and the VIN-pin of the A/D conversion chip U9 is grounded.
Furthermore, two H pins of the gas sensor U1 are respectively connected in series between a 5V power supply and ground through a rheostat RP1 and a resistor R1, pins B0 and B1 of the gas sensor U1 are connected with a pin 1A of a four-two-input not-gate chip U2, a pin 1Y of the four-two-input not-gate chip U2 is connected with pins 2A and 2B which are connected in parallel with each other, a pin 2Y of the four-two-input not-gate chip U2 is sequentially connected in series with a capacitor C1 and a resistor R3 and then connected with a pin 1B of the four-two-input not-gate chip U2, and a pin 2Y of the four-two-input not-gate chip U2 is sequentially connected in series with a capacitor C1 and a resistor R2 and then connected with pins 2A and 2B which are connected in parallel with each other;
the 2Y pin of the four-two input NOT gate chip U2 is connected with the base electrode of a triode Q1 after being connected with a resistor R4 in series, the collector electrode of the triode Q1 is connected with a buzzer BZ1 in series and then connected with a 5V power supply, the emitter electrode of the triode Q1 is connected with a light-emitting diode LED4 in series and then grounded, and the conducting direction of the light-emitting diode LED4 points to the ground from the emitter electrode of the triode Q1.
Further, the SDA pin and the SCL pin of the display chip U7 are connected with a control chip U8, and the VCC pin of the control chip U8 is connected with a 5V power supply by means of a switch KEY KEY 1.
Further, the positive electrode of the light emitting diode LED1 is connected to the control unit, the negative electrode of the light emitting diode LED1 is grounded via a resistor R7, the positive electrode of the light emitting diode LED2 is connected to the control unit, the negative electrode of the light emitting diode LED2 is grounded via a resistor R8, the positive electrode of the light emitting diode LED3 is connected to the control unit, and the negative electrode of the light emitting diode LED3 is grounded via a resistor R9.
The utility model discloses a theory of operation and beneficial effect are:
the gas detection unit detects and alarms liquefied gas, petroleum gas and volatile combustible gas in a special operation environment, the heartbeat detection unit, the body temperature detection unit and the blood pressure detection unit respectively monitor the heart rate, respiration, body temperature and blood pressure of a special operation worker in real time and send the heart rate, respiration, body temperature and blood pressure to the control unit, the heart rate, respiration, body temperature and blood pressure are processed by the control unit, and the alarm unit alarms when the heart rate, respiration, body temperature and blood pressure do not accord with normal vital signs; the gas of the life condition and the operation environment of the special operation personnel is detected and alarmed in real time, and the life safety of the operation personnel is effectively guaranteed.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a circuit flow diagram of the present invention;
fig. 2 is a circuit diagram of the heartbeat detecting unit of the present invention;
FIG. 3 is a circuit diagram of the body temperature detecting unit of the present invention;
FIG. 4 is a circuit diagram of the blood pressure detecting unit of the present invention;
FIG. 5 is a circuit diagram of the gas detection unit of the present invention;
fig. 6 is a circuit diagram of the control unit of the present invention;
fig. 7 is a circuit diagram of the alarm unit of the present invention.
Wherein: 1. a control unit; 2. a gas detection unit; 3. a power supply unit; 4. an alarm unit; 5. A life detection unit; 50. a blood pressure detection unit; 51. a body temperature detection unit; 52. and a heartbeat detection unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model relates to a special operation life protective equipment, including close-fitting protective clothing, close-fitting protective clothing is equipped with power supply unit 3, gas detection unit 2, the control unit 1 and with the life detection unit 5 and the alarm unit 4 of control unit 1 circuit connection, power supply unit 3 provides the power for whole circuit, control unit 1 and alarm unit 4 set up in the outer layer of close-fitting protective clothing elbow arm, gas detection unit 2 sets up in the outer layer of close-fitting protective clothing shoulder;
the life detection unit 5 comprises a heartbeat detection unit 52, a body temperature detection unit 51 and a blood pressure detection unit 50, wherein the heartbeat detection unit 52 is arranged on the inner layer of the chest of the close-fitting protective clothing, the body temperature detection unit 51 is arranged on the inner layer of the armpit part of the close-fitting protective clothing, and the blood pressure detection unit 50 is arranged on the inner layer of the upper part of the close-fitting protective clothing;
the gas detection unit 2 detects and alarms liquefied gas, petroleum gas and volatile combustible gas in a special operation environment, the heartbeat detection unit 52, the body temperature detection unit 51 and the blood pressure detection unit 50 respectively monitor the heart rate, respiration, body temperature and blood pressure of special operation workers in real time and send the heart rate, respiration, body temperature and blood pressure to the control unit 1, the heart rate, respiration, body temperature and blood pressure are processed by the control unit 1, and the alarm unit 4 alarms when the heart rate, respiration, body temperature and blood pressure do not accord with normal vital signs; the gas of the life condition and the operation environment of the special operation personnel is detected and alarmed in real time, and the life safety of the operation personnel is effectively guaranteed.
As shown in fig. 2, the heartbeat detecting unit 52 includes a piezoelectric ceramic sensor, an amplifier U4 and an a/D conversion chip U3, an output terminal of the piezoelectric ceramic sensor is connected to a non-inverting input terminal of an amplifier U4, an output terminal of the amplifier U4 is connected to an inverting input terminal of the amplifier U4 by a resistor R5, a capacitor C2 is connected in parallel to the resistor R5, an output terminal of the amplifier U4 is connected to a VIN + pin of an a/D conversion chip U3, pins CONVST, SCLK and DOUT of the a/D conversion chip U3 are all connected to the control unit 1, and a VIN-pin of the a/D conversion chip U3 is grounded.
The piezoceramic sensor converts heart rate and respiration data signals of an operator into electric signals, the signals are required to be amplified by an amplifier U4 due to the fact that the sent signals are extremely weak, a resistor R5 serves as a feedback resistor, the output end of the amplifier U4 is connected with the inverting input end to form an amplifying circuit with negative feedback, and a capacitor C2 is used for short-circuiting high frequency to prevent the amplifier from generating self-oscillation; the amplified signal is converted into a digital signal by an a/D conversion chip U3 and sent to the control unit 1 for operation, and whether the heartbeat frequency is normal is determined.
As shown in FIG. 3, the body temperature detecting unit 51 comprises a temperature sensor, an amplifier U5 and an A/D conversion chip U6, wherein an output end of the temperature sensor is connected with a non-inverting input end of an amplifier U5, an output end of the amplifier U5 is connected with an inverting input end of the amplifier U5 through a resistor R6, a capacitor C5 is connected in parallel to a resistor R6, an output end of the amplifier U5 is connected with a VIN + pin of an A/D conversion chip U6, CONVST, SCLK and DOUT pins of the A/D conversion chip U6 are all connected with the control unit 1, and the VIN-pin of the A/D conversion chip U6 is grounded.
The temperature sensor converts the body temperature signal of the operator into an electric signal, and the signal needs to be amplified by an amplifier U5 because the sent signal is weak, wherein a resistor R6 is used as a feedback resistor, and the output end of the amplifier U5 is connected with the inverting input end to form an amplifying circuit with negative feedback, and a capacitor C5 is used for short-circuiting high frequency and preventing the amplifier from generating self-oscillation; the amplified signal is converted into a digital signal by an A/D conversion chip U6 and is sent to the control unit 1 for operation processing, and whether the body temperature is normal or not is judged.
As shown in FIG. 4, the blood pressure detecting unit 50 includes a pressure sensor and an A/D converting chip U9, wherein an output terminal of the pressure sensor is connected to VIN + pin of the A/D converting chip U9, CONVST, SCLK and DOUT pins of the A/D converting chip U9 are all connected to the control unit 1, and VIN-pin of the A/D converting chip U9 is grounded.
The pressure sensor converts blood pressure signals of an operator into electric signals, the pressure sensor is MPX5050 in type, has signal operational amplifier and signal regulation functions inside, is directly connected with the A/D conversion chip U9, is converted into digital signals through the A/D conversion chip U9, and is sent to the control unit 1 for operation processing to judge whether the blood pressure is normal or not.
As shown in fig. 5, the gas detection unit 2 includes a gas sensor U1, a four-two input not gate chip U2, a transistor Q1, a buzzer BZ1, and a light emitting diode LED4,
two H pins of the gas sensor U1 are respectively connected in series between a 5V power supply and the ground through a rheostat RP1 and a resistor R1, pins B0 and B1 of the gas sensor U1 are connected with a pin 1A of a four-two-input NOT gate chip U2, a pin 1Y of the four-two-input NOT gate chip U2 is connected with pins 2A and 2B which are connected in parallel with each other, a pin 2Y of the four-two-input NOT gate chip U2 is sequentially connected in series with a capacitor C1 and a resistor R3 and then connected with a pin 1B of the four-two-input NOT gate chip U2, and a pin 2Y of the four-two-input NOT gate chip U2 is sequentially connected in series with a capacitor C1 and a resistor R2 and then connected with pins 2A and 2B which are connected in parallel with each other;
the 2Y pin of the four-two input NOT gate chip U2 is connected with the base electrode of a triode Q1 after being connected with a resistor R4 in series, the collector electrode of the triode Q1 is connected with a buzzer BZ1 in series and then connected with a 5V power supply, the emitter electrode of the triode Q1 is connected with a light-emitting diode LED4 in series and then grounded, and the conducting direction of the light-emitting diode LED4 points to the ground from the emitter electrode of the triode Q1.
Pins 1A, 1B and 1Y of the four-two input NOT gate chip U2 are used as a NAND gate IC1, pins 2A, 2B and 2Y are used as a NAND gate IC2, and the two NAND gate ICs 1, the IC2 and a peripheral resistance-capacitance element form a multivibrator; the model of the gas sensor U1 is MQ-2, when the concentration of nonflammable gas or combustible gas in the working environment is within an allowable range, the resistance between two ends of A, B of the gas sensor U1 is large, the output voltage of the end B is low, the circuit does not work, when the concentration of the combustible gas in the working environment exceeds a limit value, the output voltage of the end B is higher than the conversion voltage of the IC1, the multivibrator works, the 2Y pin of the four-two input NOT gate chip outputs an oscillation signal, the oscillation signal is amplified by the Q1 and pushes the buzzer BZ1 to sound for alarming, the light emitting diode LED4 is correspondingly conducted, and the light emitting alarm can remind special operating personnel that the combustible gas in the environment exceeds the standard in time and evacuate in time.
As shown in fig. 6, the control unit 1 includes a control chip U8, a display chip U7, and a switch KEY1, the SDA pin and SCL pin of the display chip U7 are connected to the control chip U8, and the VCC pin of the control chip U8 is connected to a 5V power supply by means of the switch KEY 1.
The control chip U8 receives the digital signals corresponding to the heart rate, the respiration, the body temperature and the blood pressure transmitted by the life detection unit 5, carries out operation processing, visually displays corresponding numerical values through the display chip U7, and drives the alarm unit 4 to give an alarm when a certain vital sign is abnormal. The switch is arranged at the connection position of the control chip U8 and the power supply, and an operator can start the control unit 1 to be powered on automatically through the switch key.
As shown in fig. 7, the alarm unit 4 includes a light emitting diode LED1, an LED2, an LED3, a positive electrode of the light emitting diode LED1 is connected to the control unit 1, a negative electrode of the light emitting diode LED1 is grounded via a resistor R7, a positive electrode of the light emitting diode LED2 is connected to the control unit 1, a negative electrode of the light emitting diode LED2 is grounded via a resistor R8, a positive electrode of the light emitting diode LED3 is connected to the control unit 1, and a negative electrode of the light emitting diode LED3 is grounded via a resistor R9.
The light emitting diodes LED1, LED2 and LED3 respectively correspond to the optical alarm signals of heartbeat, body temperature and blood pressure of the operating personnel, the control unit 1 carries out operation processing on the signals transmitted by the life detection unit, and the signals exceed the normal value of normal vital signs, control the corresponding light emitting diodes to be conducted, give out light and alarm, and prompt the life condition of the operating personnel.

Claims (7)

1. The utility model provides a special type operation life protective equipment, includes close-fitting protective clothing, its characterized in that: the close-fitting protective clothing is provided with a power supply unit (3), a gas detection unit (2), a control unit (1), and a life detection unit (5) and an alarm unit (4) which are in circuit connection with the control unit (1),
the power supply unit (3) provides power for the whole circuit;
the control unit (1) and the alarm unit (4) are arranged on the outer layer of the elbow and arm part of the close-fitting protective clothing, the gas detection unit (2) is arranged on the outer layer of the shoulder part of the close-fitting protective clothing, and the life detection unit (5) comprises a heartbeat detection unit (52), a body temperature detection unit (51) and a blood pressure detection unit (50);
the heartbeat detection unit (52) is arranged on the inner layer of the chest of the tight-fitting protective clothing, and the heartbeat detection unit (52) comprises a piezoelectric ceramic sensor, an amplifier U4 and an A/D conversion chip U3;
the body temperature detection unit (51) is arranged in the inner layer of armpit parts of the tight-fitting protective clothing, and the body temperature detection unit (51) comprises a temperature sensor, an amplifier U5 and an A/D conversion chip U6;
the blood pressure detection unit (50) is arranged on the inner layer of the upper part of the tight-fitting protective clothing, and the blood pressure detection unit (50) comprises a pressure sensor and an A/D conversion chip U9;
the gas detection unit (2) comprises a gas sensor U1, a four-two input NOT gate chip U2, a triode Q1, a buzzer BZ1 and a light-emitting diode LED 4;
the control unit (1) comprises a control chip U8, a display chip U7 and a switch KEY KEY 1;
the alarm unit (4) comprises light emitting diodes LED1, LED2 and LED 3.
2. A special work life safety equipment as claimed in claim 1, wherein: the output end of the piezoceramic sensor is connected with the non-inverting input end of an amplifier U4, the output end of the amplifier U4 is connected with the inverting input end of the amplifier U4 through a resistor R5, a capacitor C2 is connected to the resistor R5 in parallel, the output end of the amplifier U4 is connected with the VIN + pin of an A/D conversion chip U3, the CONVST, SCLK and DOUT pins of the A/D conversion chip U3 are all connected with a control unit (1), and the VIN-pin of the A/D conversion chip U3 is grounded.
3. A special work life safety equipment as claimed in claim 1, wherein: the output end of the temperature sensor is connected with the non-inverting input end of an amplifier U5, the output end of the amplifier U5 is connected with the inverting input end of the amplifier U5 through a resistor R6, a capacitor C5 is connected to the resistor R6 in parallel, the output end of the amplifier U5 is connected with the VIN + pin of an A/D conversion chip U6, the CONVST, SCLK and DOUT pins of the A/D conversion chip U6 are all connected with a control unit (1), and the VIN-pin of the A/D conversion chip U6 is grounded.
4. A special work life safety equipment as claimed in claim 1, wherein: the output end of the pressure sensor is connected with a VIN + pin of an A/D conversion chip U9, CONVST, SCLK and DOUT pins of the A/D conversion chip U9 are all connected with a control unit (1), and a VIN-pin of the A/D conversion chip U9 is grounded.
5. A special work life safety equipment as claimed in claim 1, wherein: two H pins of the gas sensor U1 are respectively connected in series between a 5V power supply and the ground through a rheostat RP1 and a resistor R1, pins B0 and B1 of the gas sensor U1 are connected with a pin 1A of a four-two-input NOT gate chip U2, a pin 1Y of the four-two-input NOT gate chip U2 is connected with pins 2A and 2B which are connected in parallel with each other, a pin 2Y of the four-two-input NOT gate chip U2 is sequentially connected in series with a capacitor C1 and a resistor R3 and then connected with a pin 1B of the four-two-input NOT gate chip U2, and a pin 2Y of the four-two-input NOT gate chip U2 is sequentially connected in series with a capacitor C1 and a resistor R2 and then connected with pins 2A and 2B which are connected in parallel with each other;
the 2Y pin of the four-two input NOT gate chip U2 is connected with the base electrode of a triode Q1 after being connected with a resistor R4 in series, the collector electrode of the triode Q1 is connected with a buzzer BZ1 in series and then connected with a 5V power supply, the emitter electrode of the triode Q1 is connected with a light-emitting diode LED4 in series and then grounded, and the conducting direction of the light-emitting diode LED4 points to the ground from the emitter electrode of the triode Q1.
6. A special work life safety equipment as claimed in claim 1, wherein: the SDA pin and the SCL pin of the display chip U7 are connected with a control chip U8, and the VCC pin of the control chip U8 is connected with a 5V power supply by a switch KEY KEY 1.
7. A special work life safety equipment as claimed in claim 1, wherein: the positive pole of the light emitting diode LED1 is connected with the control unit (1), the negative pole of the light emitting diode LED1 is grounded through the resistor R7, the positive pole of the light emitting diode LED2 is connected with the control unit (1), the negative pole of the light emitting diode LED2 is grounded through the resistor R8, the positive pole of the light emitting diode LED3 is connected with the control unit (1), and the negative pole of the light emitting diode LED3 is grounded through the resistor R9.
CN202023104894.9U 2020-12-22 2020-12-22 Special operation life protective equipment Active CN214232451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023104894.9U CN214232451U (en) 2020-12-22 2020-12-22 Special operation life protective equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023104894.9U CN214232451U (en) 2020-12-22 2020-12-22 Special operation life protective equipment

Publications (1)

Publication Number Publication Date
CN214232451U true CN214232451U (en) 2021-09-21

Family

ID=77740547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023104894.9U Active CN214232451U (en) 2020-12-22 2020-12-22 Special operation life protective equipment

Country Status (1)

Country Link
CN (1) CN214232451U (en)

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