CN214342280U - Special equipment inspection and detection safety guarantee system - Google Patents
Special equipment inspection and detection safety guarantee system Download PDFInfo
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- CN214342280U CN214342280U CN202023108535.0U CN202023108535U CN214342280U CN 214342280 U CN214342280 U CN 214342280U CN 202023108535 U CN202023108535 U CN 202023108535U CN 214342280 U CN214342280 U CN 214342280U
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Abstract
The utility model relates to a special equipment inspection safety guarantee system belongs to special inspection safety guarantee field, including main control unit and all with main control unit circuit connection's detecting element, power supply unit, alarm unit, still include the wireless communication unit, the wireless communication unit is connected with main control unit circuit, and the main control unit establishes the communication with the server terminal with the help of the wireless communication unit, and the detecting element carries out real-time supervision to special inspection personnel's rhythm of the heart, breathing, body temperature, blood pressure and environment combustible gas and sends to the main control unit, and after the main control unit operation, with the help of the wireless communication unit, the parameter that will detect the unit and gather is sent to the server terminal, and the back-up personnel carry notebook computer or cell-phone can real-time supervision special inspection personnel's safe condition; when the vital signs of the special inspection personnel are abnormal or the environmental gas exceeds the standard, the alarm unit emits light to alarm to prompt the special inspection personnel to evacuate, and meanwhile, the back-up personnel can also take corresponding rescue measures, so that the operation safety of the special inspection personnel is efficiently ensured.
Description
Technical Field
The utility model belongs to examine the safety guarantee field specially, involve special equipment inspection and detection safety guarantee system.
Background
The special equipment relates to boilers, pressure vessels, pressure pipelines, elevators, hoisting machinery, passenger transport cableways, large-scale amusement facilities and special motor vehicles with high life safety and dangerousness, and aims at the condition that special inspection personnel can enter the environment for operation and can be dangerous, so that the personnel under the working condition need to be subjected to life detection, and the life characteristics of the special inspection personnel can be transmitted to the back-up personnel in a safe area in real time, so that the operation safety of the special inspection personnel can be effectively ensured.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a special equipment inspection safety guarantee system has adopted detecting element and wireless communication unit's circuit, and effectual life safety to examining personnel specially ensures.
The technical proposal adopted by the utility model is that,
the special equipment inspection and detection safety guarantee system comprises a main control unit, a detection unit, a power supply unit, an alarm unit and a wireless communication unit, wherein the detection unit, the power supply unit and the alarm unit are all in circuit connection with the main control unit, the wireless communication unit is in circuit connection with the main control unit, the main control unit establishes communication with a server terminal by means of the wireless communication unit,
the wireless communication unit comprises a communication chip U10, a SIM card chip U11 and a level conversion circuit,
the PER _ KEY pin of the communication chip U10 is connected with the communication control end of the main control unit through a triode Q2, the collector of the triode Q2 is connected with the PER _ KEY pin of the communication chip U10, the base of the triode Q2 is connected with a resistor R14 in series and then is connected with the communication control end of the main control unit, and the emitter of the triode Q2 is grounded; an ANT _ GNSS pin and an ANT _ MAIN pin of the communication chip U10 are connected with an antenna module; the TXD pin and the RXD pin of the communication chip U10 are connected with the main control unit by a level conversion circuit,
the SIMCLK pin series resistance R11 of the SIM card chip U11 is connected with the USIM _ CLK pin of the communication chip U10, the SIMRST pin series resistance R12 of the SIM card chip U11 is connected with the USIM _ RST pin of the communication chip U10, the SIMDATA pin series resistance R10 of the SIM card chip U11 is connected with the USIM _ DATA pin of the communication chip U10, two SIMVCC pins of the SIM card chip U11 are connected in parallel and then connected with the USIM _ VDD pin of the communication chip U10, the GND pin of the SIM card chip U11 is connected with the USIM _ GND pin of the communication chip U10, and the two SIMVCC pins of the SIM card chip U11 are connected in parallel and then connected with the USIM _ GND pin of the communication chip U10 through the capacitor C8.
The level shifter circuit comprises a level shifter U12 and a level shifter U13;
VCC (A) of the level shifter U12 and the level shifter U13 are both connected with a 5V voltage source, VCC (B) of the level shifter U12 and the level shifter U13 are connected with a VDD _ EXT pin of the communication chip U10, and GND pins of the level shifter U12 and the level shifter U13 are grounded;
a DIR pin of the level shifter U12 is connected with a 5V voltage source, an A pin of the level shifter U13 is connected with a communication output end of the main control unit, and a B pin of the level shifter U12 is connected with an RXD pin of a communication chip U4;
the DIR pin of the level shifter U13 is grounded, the A pin of the level shifter U13 is connected with the communication input end of the main control unit, and the B pin of the level shifter U13 is connected with the TXD pin of the communication chip U4.
The detecting unit comprises a gas detecting unit, a heartbeat detecting unit, a blood pressure detecting unit, a body temperature detecting unit and a respiration detecting unit which are all arranged on the wearable close-fitting protective clothing, the gas detecting unit is arranged on the outer layer of the shoulder of the close-fitting protective clothing, the heartbeat detecting unit is arranged on the inner layer of the chest of the close-fitting protective clothing, the body temperature detecting unit is arranged on the inner layer of the armpit part of the close-fitting protective clothing, and the blood pressure detecting unit is arranged on the inner layer of the upper part of the close-fitting protective clothing.
The heartbeat detection unit comprises a piezoelectric ceramic sensor, an amplifier U14 and an A/D conversion chip U3, wherein the output end of the piezoelectric ceramic sensor is connected with the non-inverting input end of an amplifier U14, the output end of the amplifier U14 is connected with the inverting input end of an amplifier U14 through a resistor R5, a capacitor C2 is connected in parallel to a resistor R5, the output end of the amplifier U14 is connected with the VIN + pin of the A/D conversion chip U3, the CONVST, SCLK and DOUT pins of the A/D conversion chip U3 are all connected with the main control unit, and the VIN-pin of the A/D conversion chip U3 is grounded.
The body temperature detection unit comprises a temperature sensor, an amplifier U5 and an A/D conversion chip U6, 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 an 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 main control unit, and the VIN-pin of the A/D conversion chip U6 is grounded.
The blood pressure detection unit comprises a pressure sensor and an A/D conversion chip U9, 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 main control unit, and the VIN-pin of the A/D conversion chip U9 is grounded.
The gas detection unit comprises a gas sensor and an A/D conversion chip U2, the output end of the gas sensor is connected with the VIN + pin of the A/D conversion chip U2, the CONVST, SCLK and DOUT pins of the A/D conversion chip U2 are all connected with the main control unit, and the VIN-pin of the A/D conversion chip U2 is grounded.
The main control unit comprises a control chip U8, a display chip U7 and a switch KEY KEY1, the SDA pin and the SCL pin of the display chip U7 are connected with the control chip U8, and the VCC pin of the control chip U8 is connected with a 5V power supply by means of the switch KEY KEY 1.
The alarm unit includes emitting diode LED1, LED2, LED3, LED4, the master control unit is connected to emitting diode LED 1's positive pole, emitting diode LED 1's negative pole is with the help of resistance R7 ground connection, emitting diode LED 2's positive pole connection master control unit, emitting diode LED 2's negative pole is with the help of resistance R8 ground connection, emitting diode LED 3's positive pole connection master control unit, emitting diode LED 3's negative pole is with the help of resistance R9 ground connection, emitting diode LED 4's positive pole connection master control unit, emitting diode LED 4's negative pole is with the help of resistance R1 ground connection.
The utility model has the advantages that:
the detection unit monitors heart rate, respiration, body temperature, blood pressure, respiration and environment combustible gas of the special inspection personnel in real time and sends the heart rate, the respiration, the body temperature, the blood pressure, the respiration and the environment combustible gas to the main control unit, the parameters acquired by the detection unit are sent to the backup personnel by virtue of the wireless communication unit after the main control unit performs operation processing, and the backup personnel can monitor the safety condition of the special inspection personnel in real time by carrying a notebook computer or a mobile phone; when the vital signs of the special inspection personnel are abnormal or the environmental gas exceeds the standard, the alarm unit emits light to alarm to prompt the special inspection personnel to evacuate, and meanwhile, the back-up personnel can also take corresponding rescue measures, so that the operation safety of the special inspection personnel is efficiently ensured.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a block diagram of the circuit flow of the present invention;
fig. 2 is a circuit diagram of the communication chip of the present invention;
fig. 3 is a circuit diagram of the SIM card chip of the present invention;
fig. 4 is a circuit diagram of the level shift circuit of the present invention;
fig. 5 is a circuit diagram of the heartbeat detecting unit of the present invention;
FIG. 6 is a circuit diagram of the body temperature detecting unit of the present invention;
FIG. 7 is a circuit diagram of the blood pressure detecting unit of the present invention;
fig. 8 is a circuit diagram of the gas detection unit of the present invention;
fig. 9 is a circuit diagram of the main control unit of the present invention;
fig. 10 is a circuit diagram of the alarm unit of the present invention.
Wherein: 1. a main control unit; 2. a power supply unit; 3. a server terminal; 4. a wireless communication unit; 5. an alarm unit; 6. a detection unit; 60. a gas detection unit; 61. a blood pressure detection unit; 62. A body temperature detection unit; 63. and a heartbeat detection unit.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto.
As shown in fig. 1, the utility model discloses a special equipment inspection safety guarantee system, including main control unit 1 and all with main control unit 1 circuit connection's detecting element 6, power supply unit 2, alarm unit 5, its characterized in that: also comprises a wireless communication unit 4, the wireless communication unit 4 is in circuit connection with the main control unit 1, the main control unit 1 establishes communication with the server terminal 3 by the wireless communication unit 4,
the heart rate, the respiration, the body temperature, the blood pressure and the environment combustible gas of the specially-examined person are monitored in real time by the detection unit 6 and are sent to the main control unit 1, the parameters acquired by the detection unit 6 are sent to the server terminal 3 by the aid of the wireless communication unit 4 after the main control unit 1 is operated, the server terminal 3 is a receiving device which can be connected to mobile equipment, and the safety condition of the specially-examined person can be monitored in real time by a backup person carrying a notebook computer or a mobile phone; when the vital signs of the special inspection personnel are abnormal or the environmental gas exceeds the standard, the alarm unit 5 emits light to alarm to prompt the special inspection personnel to evacuate, and meanwhile, the back-up personnel can also take corresponding rescue measures, so that the operation safety of the special inspection personnel is efficiently ensured.
The wireless communication unit 4 includes a communication chip U10, a SIM card chip U11 and a level shift circuit,
as shown in fig. 2, the PER _ KEY pin of the communication chip U10 is connected to the communication control terminal of the main control unit 1 through a transistor Q2, the collector of the transistor Q2 is connected to the PER _ KEY pin of the communication chip U10, the base of the transistor Q2 is connected to the communication control terminal of the main control unit 1 after being connected to a resistor R14 in series, and the emitter of the transistor Q2 is grounded; an ANT _ GNSS pin and an ANT _ MAIN pin of the communication chip U10 are connected with an antenna module; the TXD pin and the RXD pin of the communication chip U10 are connected with the main control unit 1 by a level conversion circuit,
as shown in fig. 3, a SIMCLK pin series resistor R11 of the SIM card chip U11 is connected to a USIM _ CLK pin of the communication chip U10, a SIMRST pin series resistor R12 of the SIM card chip U11 is connected to a USIM _ RST pin of the communication chip U10, a SIMDATA pin series resistor R10 of the SIM card chip U11 is connected to a USIM _ DATA pin of the communication chip U10, two SIMVCC pins of the SIM card chip U11 are connected in parallel and then connected to a USIM _ VDD pin of the communication chip U10, a GND pin of the SIM card chip U11 is connected to a USIM _ GND pin of the communication chip U10, and two SIMVCC pins of the SIM card chip U11 are connected in parallel and then connected to a USIM _ GND pin of the communication chip U10 through a capacitor C8.
The model of the communication chip U10 is EC20, the wireless communication circuit establishes communication with the server terminal 3 through the antenna module, when the mobile communication circuit needs to work, a GSM _ PWRKEY signal sent by the main control unit 1 is at a high level, at least 0.1S of the PWRKEY pin of the communication chip U10 is pulled down, the work of the wireless communication unit 4 is started, and the TXD pin and the RXD pin of the communication chip U10 perform data transmission with the main control unit 1 through a level conversion circuit.
The SIM card chip U11 can support the communication of the wireless communication unit 4 by selecting the SIM card mode, the SIMCLK pin of the SIM card chip U11 is a clock pin, the USIM _ CLK pin of the communication chip U10 is connected, and the communication chip U10 provides a clock signal; the SIMRST pin of the SIM card chip U11 is a reset pin, is connected with the USIM _ RST pin of the communication chip U10, and is reset under the control of the communication chip U10; the SIMDATA pin of the SIM card chip U11 is connected with the USIM _ DATA pin of the communication chip U10 and is used for DATA transmission; two SIMVCC pins of the SIM card chip U11 are connected in parallel with a USIM _ VDD pin of the communication chip U10, a GND pin of the SIM card chip U11 is connected with a USIM _ GND pin of the communication chip U10, and the SIM card chip is powered by the communication chip U10; the two SIMVCC pins of the SIM card chip U11 are connected in parallel and are also connected with the USIM _ GND pin of the communication chip U10 through a capacitor C31, and the capacitor C8 is a filter capacitor, so that impurity waves are filtered, and the accuracy of data communication is improved.
Further, as shown in fig. 4, the level shifter circuit includes a level shifter U12 and a level shifter U13;
VCC (A) of the level shifter U12 and the level shifter U13 are both connected with a 5V voltage source, VCC (B) of the level shifter U12 and the level shifter U13 are connected with a VDD _ EXT pin of the communication chip U10, and GND pins of the level shifter U12 and the level shifter U13 are grounded;
a DIR pin of the level shifter U12 is connected with a 5V voltage source, an A pin of the level shifter U13 is connected with a communication output end of the main control unit 1, and a B pin of the level shifter U12 is connected with an RXD pin of a communication chip U4;
the DIR pin of the level shifter U13 is grounded, the A pin of the level shifter U13 is connected with the communication input end of the main control unit 1, and the B pin of the level shifter U13 is connected with the TXD pin of the communication chip U4.
The models of the level shifter U12 and the level shifter U13 are both 74LVC1T45, a DIR pin of the level shifter U12 is connected with a high level, an A pin serves as an input end at the moment, a B pin serves as an output end, and the level shifter U12 can send data of the main control unit 1 to the communication chip U10; the DIR pin of the level shifter U13 is connected with low level, at this time, the B pin is used as an input end, the A pin is used as an output end, and the level shifter U13 can send the data of the communication chip U10 to the main control unit 1; the capacitor C11, the capacitors C12, C13 and the capacitor C14 all have a filtering function.
The detecting unit 6 comprises a gas detecting unit 60, a heartbeat detecting unit 63, a blood pressure detecting unit 61, a body temperature detecting unit 62 and a respiration detecting unit which are all arranged on the wearable close-fitting protective clothing, the gas detecting unit 60 is arranged on the outer layer of the shoulder of the close-fitting protective clothing, the heartbeat detecting unit 63 is arranged on the inner layer of the chest of the close-fitting protective clothing, the body temperature detecting unit 62 is arranged on the inner layer of the armpit part of the close-fitting protective clothing, and the blood pressure detecting unit 61 is arranged on the inner layer of the upper part of the close-fitting protective clothing.
As shown in fig. 5, the heartbeat detecting unit 63 includes a piezoelectric ceramic sensor, an amplifier U14 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 U14, an output terminal of the amplifier U14 is connected to an inverting input terminal of the amplifier U14 by a resistor R5, a capacitor C2 is connected in parallel to the resistor R5, an output terminal of the amplifier U14 is connected to a VIN + pin of the a/D conversion chip U3, pins CONVST, SCLK and DOUT of the a/D conversion chip U3 are all connected to the main control unit 1, and a VIN-pin of the a/D conversion chip U3 is grounded.
The piezoelectric ceramic sensor converts heart rate and blood oxygen content signals of an operator into electric signals, the signals are required to be amplified due to the fact that the sent signals are extremely weak, the resistor R5 serves as a feedback resistor, the output end of the amplifier U14 is connected with the inverting input end to form an amplifying circuit with negative feedback, and the 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 is sent to the main control unit 1 for operation processing, and whether the heart rate and the respiration are normal or not is judged.
As shown in fig. 6, the heartbeat detecting unit 63 includes a piezoelectric ceramic sensor, an amplifier U14 and an a/D conversion chip U3, an output terminal of the piezoelectric ceramic sensor is connected to a non-inverting input terminal of the amplifier U14, an output terminal of the amplifier U14 is connected to an inverting input terminal of the amplifier U14 by means of a resistor R5, a capacitor C2 is connected in parallel to the resistor R5, an output terminal of the amplifier U14 is connected to a VIN + pin of the a/D conversion chip U3, pins CONVST, SCLK and DOUT of the a/D conversion chip U3 are all connected to the main control unit 1, and a VIN-pin of the a/D conversion chip U3 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 main control unit 1 for operation processing, and whether the body temperature is normal or not is judged.
As shown in fig. 7, the blood pressure detecting unit 61 includes a pressure sensor and an a/D converting chip U9, an output terminal of the pressure sensor is connected to a VIN + pin of the a/D converting chip U9, pins CONVST, SCLK and DOUT of the a/D converting chip U9 are all connected to the main control unit 1, and a 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 main control unit 1 for operation processing to judge whether the blood pressure is normal or not.
As shown in fig. 8, the gas detecting unit 60 includes a gas sensor and an a/D converting chip U2, an output terminal of the gas sensor is connected to a VIN + pin of the a/D converting chip U2, pins CONVST, SCLK and DOUT of the a/D converting chip U2 are all connected to the main control unit 1, and a VIN-pin of the a/D converting chip U2 is grounded.
The gas sensor is MQ-2, can detect the combustible gas concentration around the specially-inspected person, converts the gas signal into an electric signal, is connected with the A/D conversion chip U2, is converted into a digital signal by the A/D conversion chip U2, and is sent to the main control unit 1 for operation processing, and whether the gas concentration around the specially-inspected person exceeds the standard or not is judged.
As shown in fig. 9, the main 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 corresponding digital signal of heart rate, breathing, body temperature, blood pressure and ambient gas concentration that detecting element 6 transmitted, carry out the operation processing, through the corresponding numerical value of display chip U7 visual display, when a certain vital sign is unusual or gas concentration exceeds standard, drive alarm unit 5 reports to the police, and can transmit the parameter that detects for the person of backing up through wireless communication unit 4, wherein the switch setting is in the junction of control chip U8 and power, the person of special examination accessible switch button starts main control unit 1 and powers on the automation and opens.
As shown in fig. 10, the alarm unit 5 includes a light emitting diode LED1, a LED2, a LED3, and a LED4, the positive electrode of the light emitting diode LED1 is connected to the main control unit 1, 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 main control unit 1, 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 main control unit 1, the negative electrode of the light emitting diode LED3 is grounded via a resistor R9, the positive electrode of the light emitting diode LED4 is connected to the main control unit 1, and the negative electrode of the light emitting diode LED4 is grounded via a resistor R1.
The light emitting diodes LED1, LED2, LED3 and LED4 respectively correspond to the optical alarm signals of the heart rate, the respiration, the body temperature, the blood pressure and the gas concentration of the operating personnel, and the main control unit 1 carries out operation processing on the signals transmitted by the detection unit 6 to control the corresponding light emitting diodes to be conducted, give out light and alarm and prompt specially-inspected personnel to evacuate timely.
Claims (9)
1. Special equipment inspection safety guarantee system that detects, including main control unit (1) and all with main control unit (1) circuit connection's detecting element (6), power supply unit (2), alarm unit (5), its characterized in that: the system also comprises a wireless communication unit (4), the wireless communication unit (4) is in circuit connection with the main control unit (1), the main control unit (1) establishes communication with the server terminal (3) by means of the wireless communication unit (4),
the wireless communication unit (4) comprises a communication chip U10, a SIM card chip U11 and a level conversion circuit,
the PER _ KEY pin of the communication chip U10 is connected with the communication control end of the main control unit (1) by a triode Q2, the collector of the triode Q2 is connected with the PER _ KEY pin of the communication chip U10, the base of the triode Q2 is connected with a resistor R14 in series and then is connected with the communication control end of the main control unit (1), and the emitter of the triode Q2 is grounded; an ANT _ GNSS pin and an ANT _ MAIN pin of the communication chip U10 are connected with an antenna module; the TXD pin and the RXD pin of the communication chip U10 are connected with the main control unit (1) through a level conversion circuit,
the SIMCLK pin series resistance R11 of the SIM card chip U11 is connected with the USIM _ CLK pin of the communication chip U10, the SIMRST pin series resistance R12 of the SIM card chip U11 is connected with the USIM _ RST pin of the communication chip U10, the SIMDATA pin series resistance R10 of the SIM card chip U11 is connected with the USIM _ DATA pin of the communication chip U10, two SIMVCC pins of the SIM card chip U11 are connected in parallel and then connected with the USIM _ VDD pin of the communication chip U10, the GND pin of the SIM card chip U11 is connected with the USIM _ GND pin of the communication chip U10, and the two SIMVCC pins of the SIM card chip U11 are connected in parallel and then connected with the USIM _ GND pin of the communication chip U10 through the capacitor C8.
2. The special equipment inspection and detection safety guarantee system according to claim 1, wherein: the level shifter circuit comprises a level shifter U12 and a level shifter U13;
VCC (A) of the level shifter U12 and the level shifter U13 are both connected with a 5V voltage source, VCC (B) of the level shifter U12 and the level shifter U13 are connected with a VDD _ EXT pin of the communication chip U10, and GND pins of the level shifter U12 and the level shifter U13 are grounded;
the DIR pin of the level shifter U12 is connected with a 5V voltage source, the A pin of the level shifter U13 is connected with the communication output end of the main control unit (1), and the B pin of the level shifter U12 is connected with the RXD pin of a communication chip U4;
the DIR pin of the level shifter U13 is grounded, the A pin of the level shifter U13 is connected with the communication input end of the main control unit (1), and the B pin of the level shifter U13 is connected with the TXD pin of the communication chip U4.
3. The special equipment inspection and detection safety guarantee system according to claim 1, wherein: the detection unit (6) comprises a gas detection unit (60), a heartbeat detection unit (63), a blood pressure detection unit (61), a body temperature detection unit (62) and a respiration detection unit which are all arranged on the wearable close-fitting protective clothing, wherein the gas detection unit (60) is arranged on the outer layer of the shoulder of the close-fitting protective clothing, the heartbeat detection unit (63) is arranged on the inner layer of the chest of the close-fitting protective clothing, the body temperature detection unit (62) is arranged on the inner layer of the armpit of the close-fitting protective clothing, and the blood pressure detection unit (61) is arranged on the inner layer of the upper portion of the close-fitting protective clothing.
4. The special equipment inspection and detection safety guarantee system according to claim 3, wherein: the heartbeat detection unit (63) comprises a piezoelectric ceramic sensor, an amplifier U14 and an A/D conversion chip U3, wherein the output end of the piezoelectric ceramic sensor is connected with the non-inverting input end of an amplifier U14, the output end of the amplifier U14 is connected with the inverting input end of an amplifier U14 through a resistor R5, a capacitor C2 is connected in parallel to a resistor R5, the output end of the amplifier U14 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 the main control unit (1), and the VIN-pin of the A/D conversion chip U3 is grounded.
5. The special equipment inspection and detection safety guarantee system according to claim 3, wherein: the body temperature detection unit (62) comprises a temperature sensor, an amplifier U5 and an A/D conversion chip U6, 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 an amplifier U5 through a resistor R6, a capacitor C5 is connected in parallel to a resistor R6, the output end of the amplifier U5 is connected with the VIN + pin of the A/D conversion chip U6, the CONVST, SCLK and DOUT pins of the A/D conversion chip U6 are all connected with the main control unit (1), and the VIN-pin of the A/D conversion chip U6 is grounded.
6. The special equipment inspection and detection safety guarantee system according to claim 3, wherein: the blood pressure detection unit (61) comprises a pressure sensor and an A/D conversion chip U9, 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 main control unit (1), and the VIN-pin of the A/D conversion chip U9 is grounded.
7. The special equipment inspection and detection safety guarantee system according to claim 3, wherein: the gas detection unit (60) comprises a gas sensor and an A/D conversion chip U2, the output end of the gas sensor is connected with the VIN + pin of the A/D conversion chip U2, the CONVST, SCLK and DOUT pins of the A/D conversion chip U2 are all connected with the main control unit (1), and the VIN-pin of the A/D conversion chip U2 is grounded.
8. The special equipment inspection and detection safety guarantee system according to claim 1, wherein: the main control unit (1) comprises a control chip U8, a display chip U7 and a switch KEY KEY1, an SDA pin and an SCL pin of the display chip U7 are connected with the control chip U8, and a VCC pin of the control chip U8 is connected with a 5V power supply by means of the switch KEY KEY 1.
9. The special equipment inspection and detection safety guarantee system according to claim 1, wherein: alarm unit (5) include emitting diode LED1, LED2, LED3, LED4, main control unit (1) is connected to emitting diode LED 1's positive pole, emitting diode LED 1's negative pole is with the help of resistance R7 ground connection, main control unit (1) is connected to emitting diode LED 2's positive pole, emitting diode LED 2's negative pole is with the help of resistance R8 ground connection, main control unit (1) is connected to emitting diode LED 3's positive pole, emitting diode LED 3's negative pole is with the help of resistance R9 ground connection, main control unit (1) is connected to emitting diode LED 4's positive pole, emitting diode LED 4's negative pole is with the help of resistance R1 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202023108535.0U CN214342280U (en) | 2020-12-22 | 2020-12-22 | Special equipment inspection and detection safety guarantee system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023108535.0U CN214342280U (en) | 2020-12-22 | 2020-12-22 | Special equipment inspection and detection safety guarantee system |
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| CN214342280U true CN214342280U (en) | 2021-10-08 |
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| CN202023108535.0U Active CN214342280U (en) | 2020-12-22 | 2020-12-22 | Special equipment inspection and detection safety guarantee system |
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2020
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