CN213554982U - Power air supply respirator with monitoring device - Google Patents
Power air supply respirator with monitoring device Download PDFInfo
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- CN213554982U CN213554982U CN202022101428.9U CN202022101428U CN213554982U CN 213554982 U CN213554982 U CN 213554982U CN 202022101428 U CN202022101428 U CN 202022101428U CN 213554982 U CN213554982 U CN 213554982U
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Abstract
The utility model relates to the technical field of protective tools, in particular to a power air supply respirator with a monitoring device, which comprises a hood, an air supply pipe, a power air supply host and a circuit board; the air outlet of the power air supply host is connected with the air inlet of the hood through the air supply pipe; the circuit board comprises a control module and a communication module; the control module is connected with the power air supply host; a first temperature sensor is arranged in the head cover; a first pressure sensor is arranged in the head cover; a second pressure sensor is arranged outside the head cover; the first temperature sensor, the first pressure sensor and the second pressure sensor are all connected with the communication module. Through monitoring temperature and pressure in real time, according to the change of temperature and pressure, the adjustment air supply volume adjusts the temperature in the hood, and can avoid the hood internal and external pressure differential that the air supply volume arouses too big, keeps the leakproofness of hood, reduces the risk that outside harmful gas invades the hood.
Description
Technical Field
The utility model relates to a protection apparatus technical field, especially a take monitoring devices's power air supply respirator.
Background
The positive pressure air supply hood, also called power air supply filtering respirator (PAPR), can send purified gas into the space of the head mask through a filter to form a certain internal positive pressure of the hood, and can prevent external harmful gas from entering to form a breathing safe face environment.
In the use process of the mask, the head is in an external air supply environment and is influenced by the external environment, and the change of the external pressure and the external temperature can cause the change of the body sensing temperature of a wearer and bring discomfort to the wearer. The existing air supply hood realizes the change of air flow by a manual regulating valve of a wearer through an air flow valve, can increase the pressure in a face mask though playing a role of cooling, forms impact on the face mask, easily causes internal gas leakage, easily generates the conditions of insufficient positive pressure in the face mask and the like after reducing air flow, and has the risk of external gas invasion. The airflow is kept in a high flow state all the time, and although the invasion of external air can be avoided, the impact and the pressure of the airflow also bring discomfort to a wearer.
In summary, when the temperature in the conventional blower hood is adjusted by a valve, there is a risk of external air intrusion, which brings inconvenience to the wearer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the power air supply respirator with the monitoring device is provided for solving the problems that an air supply hood in the prior art is poor in wearing comfort and risks of invasion of outside air. This air supply respirator is through the monitoring devices who sets up temperature and pressure for the inside temperature of hood and pressure stability have reduced the outside gas and have invaded the risk, have promoted wearer's travelling comfort.
In order to realize the purpose, the utility model discloses a technical scheme be:
a power air supply respirator with a monitoring device comprises a power air supply host, a hood, an air supply pipe and a circuit board;
the air outlet of the power air supply host is connected with the air inlet of the hood through the air supply pipe;
the circuit board comprises a control module and a communication module, and the control module is connected with the communication module;
the control module is connected with the power air supply host;
a first temperature sensor is arranged in the hood and used for monitoring the temperature in the hood;
the first pressure sensor is arranged in the hood and used for monitoring the air pressure in the hood;
a second pressure sensor is arranged outside the hood or outside the power air supply host and used for monitoring the air pressure of the external environment;
the first temperature sensor, the first pressure sensor and the second pressure sensor are all connected with the communication module.
The first temperature sensor is used for monitoring the body surface temperature of the head in the hood in real time and transmitting temperature information to the communication module of the circuit board; the control module of the circuit board compares the head body surface temperature with a normal head body surface temperature value in a normal state; when the temperature of the head body meter is higher than a normal temperature value, the control module controls the power air supply host to increase the air supply quantity, and when the temperature of the head body meter is lower than the normal temperature value, the control module controls the power air supply host to reduce the air supply quantity. The normal temperature value is the temperature at which the hood is initially worn by the wearer, or is a predetermined temperature value. When adjusting the air supply volume, need monitor the pressure inside and outside the hood in order to keep the positive pressure in the hood, avoid the toxic gas to get into in the hood. The first pressure sensor monitors the air pressure in the hood in real time and transmits the internal air pressure value to the communication module of the circuit board; the second pressure sensor monitors the atmospheric pressure outside the hood in real time and transmits an external air pressure value to the communication module of the circuit board. When the internal pressure value is smaller than the external pressure value, the control module controls the power air supply main machine to increase the air supply quantity. The priority of the internal pressure value is higher than that of the external pressure value, and is higher than that of temperature control. Namely, firstly, under the condition that the internal pressure value is larger than the external pressure value but can not exceed the maximum pressure threshold value, the air supply quantity is adjusted according to the body surface temperature of the head. The maximum pressure threshold means that when the pressure in the hood exceeds the maximum pressure threshold, the internal pressure and the external pressure are too high, and the gas in the hood is discharged outwards, so that the sealing performance of the hood is influenced.
As the preferred scheme of the utility model, a gas refrigeration module is arranged between the power air supply main machine and the head cover; the gas refrigeration module is connected with the control module.
When the head body surface temperature is required to be reduced, the internal pressure value reaches the pressure threshold value, namely, when the air supply volume reaches the maximum value, the effect of reducing the body surface temperature of a human body still cannot be achieved, the control module controls the gas refrigeration module to be started, the air flow is cooled through the gas refrigeration module, the temperature of the air supply volume is reduced, and when the head body surface temperature monitored by the first temperature sensor reaches the normal temperature value, the control module controls the gas refrigeration module to be closed.
As the preferred scheme of the utility model, a gas heating module is arranged between the power air supply main machine and the head cover; the gas heating module is connected with the control module.
When the head body surface temperature needs to be increased, the internal pressure value is slightly larger than the external pressure value, namely the air supply volume is at the minimum value, the effect of increasing the body surface temperature cannot be achieved, the control module controls the gas heating module to be opened, the gas flow is heated through the gas heating module, the temperature of the air supply is increased, and when the first temperature sensor monitors that the head body surface temperature reaches the normal temperature value, the control module controls the gas heating module to be closed.
As the utility model discloses an optimal scheme, the hood air intake is equipped with second temperature sensor for the temperature of the air inlet of monitoring hood, second temperature sensor with communication module connects.
Through setting up second temperature sensor at the hood air intake, second temperature sensor real-time supervision air inlet temperature to transmit the air inlet temperature value to communication module. When the temperature value of the inlet air is higher than the normal temperature value, the control module controls the power air supply host machine to reduce the air supply quantity or reduce the power of the gas heating module; when the temperature value of the inlet air is lower than the normal temperature value, the control module controls the air supply host to increase the air supply quantity or increase the power of the air cooling module. The normal temperature value is the temperature at which the hood is initially worn by the wearer, or is a predetermined temperature value. Through setting up second temperature sensor, the real-time supervision air inlet temperature value avoids air inlet temperature value and normality temperature value deviation too big, avoids because of the uncomfortable sense that brings for the person of wearing to the interior body surface of hood intensifies or cools down too fast.
As a preferred embodiment of the present invention, the first temperature sensor is provided with a first wireless communication module; the second temperature sensor is provided with a second wireless communication module; the first pressure sensor is provided with a third wireless communication module; the second pressure sensor is provided with a fourth wireless communication module; the communication module comprises a fifth wireless communication module;
the first wireless communication module, the second wireless communication module, the third wireless communication module and the fourth wireless communication module are all in communication connection with the fifth wireless communication module.
Through wireless connection, monitoring module and circuit board or the separation of power air supply host computer have avoided the connecting wire inconvenient, dress uncomfortable problem.
As the preferred scheme of the utility model, the hood is equipped with battery module, in the hood and outside the hood sensor all with battery module connects. The sensor is positioned on the inner side of the head cover and on the outer side of the head cover, and comprises a temperature sensor and a pressure sensor. Namely, the temperature sensor comprises a first temperature sensor, a second temperature sensor, a first pressure sensor and a second pressure sensor.
The storage battery supplies power, so that power supply connection is avoided, and the wearing is more comfortable.
As the preferred scheme of the utility model, the hood is equipped with the alarm lamp, the alarm lamp with control module connects.
Through setting up the alarm lamp, when the parameter surpassed the predetermined value, the alarm lamp lights, plays the alarm effect. When an accident happens, the wearer can turn on the alarm lamp by himself to play a role in alarming.
As the preferred scheme of the utility model, the hood is equipped with the display screen.
The display screen shows information such as pressure, temperature, and the person of wearing can learn the operating condition of respirator in real time, the convenient control to the respirator.
As the preferred proposal of the utility model, the respirator also comprises a manual controller, and the controller is connected with the control module.
The controller is arranged at the position of the hood, so that the control module can be conveniently and manually controlled by a wearer.
As the preferred scheme of the utility model, the circuit board is located in the power air supply host computer.
The circuit board is arranged in the power air supply host, so that the integration level of the equipment is improved, and the maintenance is convenient.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a take monitoring devices's power air supply respirator through setting up first temperature sensor and first pressure sensor in the hood inboard and set up second pressure sensor in the hood outside, can monitor temperature and pressure in real time to according to the change of temperature and pressure, the air supply volume of adjustment power air supply host computer, the temperature in the convenient regulation hood, and the hood internal and external pressure difference that can avoid the air supply volume to arouse is too big, keeps the leakproofness of hood, reduces the risk that outside harmful gas invades the hood.
2. The utility model discloses a take monitoring devices's power air supply respirator is through setting up gas refrigeration module and/or gas heating module for when adjusting the air current and can not satisfy the cooling and heating requirement, can use gas refrigeration module to cool down the air current, or adopt gas heating module to heat.
3. The utility model discloses a take monitoring devices's power air supply respirator through setting up second temperature sensor at the hood air intake, can real-time supervision air inlet temperature value, avoids air inlet temperature value and normality temperature value deviation too big, avoids because of the uncomfortable sense that brings for the person of wearing to the interior body surface intensification of hood or cooling too fast.
4. The utility model discloses a take monitoring devices's power air supply respirator uses wireless communication's mode through sensor and communication module, avoids the inconvenient uncomfortable problem of wearing that brings of line.
Drawings
Fig. 1 is a schematic structural view of a powered air-supply respirator according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of the connection relationship between the components in embodiment 2 of the present invention.
Icon: 1-head covering; 2-blast pipe; 3-power air supply main machine; 31-a circuit board; 311-a control module; 312 — a communication module; 4-a first temperature sensor; 5-a first pressure sensor; 6-a second pressure sensor; 7-a second temperature sensor; 8-a gas refrigeration module; 9-gas heating module.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A power air supply respirator with a monitoring device is shown in figure 1 and comprises a hood 1, an air supply pipe 2, a power air supply host machine 3 and a circuit board; the circuit board 31 is positioned in the power air supply host 3; the air outlet of the power air supply host machine 3 is connected with the air inlet of the hood 1 through the air supply pipe 2; the circuit board comprises a control module 311 and a communication module 312; the control module 311 is connected with the power air supply host 3; a first temperature sensor 4 is arranged in the head cover 1 and used for monitoring the temperature in the head cover; a first pressure sensor 5 is arranged in the hood and used for monitoring the air pressure in the hood 1; a second pressure sensor 6 is arranged outside the hood 1 and used for monitoring the air pressure of the external environment; a second temperature sensor 7 is arranged at an air inlet of the head cover 1; the first temperature sensor 4, the second temperature sensor 7, the first pressure sensor 5, and the second pressure sensor 6 are all connected to the communication module 312.
A gas refrigeration module 8 is arranged between the power air supply host 3 and the hood 1; the gas refrigeration module 8 is connected to the control module 311. When the head body surface temperature needs to be reduced, the internal pressure value reaches the pressure threshold value, namely, when the air supply volume reaches the maximum value, the effect of reducing the body surface temperature still cannot be achieved, the control module 311 controls the gas refrigeration module 8 to be opened, the air flow is cooled through the gas refrigeration module 8, the temperature of the air supply volume is reduced, and when the head body surface temperature monitored by the first temperature sensor 4 reaches the normal temperature value, the control module 311 controls the gas refrigeration module 8 to be closed. In the refrigeration process, the temperature of the inlet air is monitored through the second temperature sensor 7, the temperature of the inlet air is kept close to or slightly lower than a normal temperature value, and the discomfort brought to a wearer by the supercooling of the inlet air is avoided.
A gas heating module 9 is arranged between the power air supply main machine 3 and the head cover 1; the gas heating module 9 is connected to the control module 311. When the head body surface temperature needs to be increased, the internal pressure value is slightly larger than the external pressure value, namely, the air supply volume is at the minimum value, the effect of increasing the body surface temperature cannot be achieved, the control module 311 controls the gas heating module 9 to be opened, the air flow is heated through the gas heating module 9, the temperature of the air supply volume is increased, and when the first temperature sensor 4 monitors that the head body surface temperature reaches the normal temperature value, the control module 311 controls the gas heating module 9 to be closed. In the heating process, the temperature of the inlet air is monitored through the second temperature sensor 7, the temperature of the inlet air is kept close to or slightly higher than a normal temperature value, and the discomfort brought to a wearer by the supercooling of the inlet air is avoided.
The first temperature sensor 4 is provided with a first wireless communication module; the second temperature sensor 7 is provided with a second wireless communication module; the first pressure sensor 5 is provided with a third wireless communication module; the second pressure sensor 6 is provided with a fourth wireless communication module; the communication module 312 includes a fifth wireless communication module; the first wireless communication module, the second wireless communication module, the third wireless communication module and the fourth wireless communication module are in matched communication connection with the fifth wireless communication module.
The head cover 1 is provided with a storage battery, and the first temperature sensor 4, the second temperature sensor 7, the first pressure sensor 5 and the second pressure sensor 6 are connected with the storage battery module.
Through wireless communication and battery power supply, avoid power supply line and communication line, wear more comfortablely.
The first temperature sensor 4 and the second temperature sensor 7 are infrared temperature sensors, model AMG8833, manufactured by Panasonic Electronic Components japan;
the first pressure sensor 5 and the second pressure sensor 6 are air pressure sensors, model number MS5611-01BA03, manufacturer (Texas Instruments Incorporated, Texas Instruments).
The control module adopts a low-power consumption controller, the model is STM32L073VZT6,
manufacturer (STMicroelectronics semiconductor);
a wireless communication module: model number CC2640R2F,
manufacturer (Texas Instruments Incorporated, USA).
Example 2
This embodiment is an improvement over embodiment 1, and the connection relationship between the respective members is shown in fig. 2.
And a second pressure sensor 6 is arranged on the power air supply host 3 to monitor the ambient air pressure. In addition, a warning lamp is arranged on the head cap 1 and connected with the control module 311. Through setting up the alarm lamp, when the parameter surpassed the predetermined value, the alarm lamp lights, plays the alarm effect.
The head cover 1 is provided with a display screen. The display screen shows information such as pressure, temperature, and the person of wearing can learn the operating condition of respirator in real time, the convenient control to the respirator.
The respirator also includes a manual controller that is connected to the control module 311. The manual controller is arranged at the position of the hood, so that the control module 311 can be conveniently and manually controlled by a wearer. When an accident happens, the wearer can turn on the alarm lamp by himself to play a role in alarming.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A power air supply respirator with a monitoring device is characterized by comprising a hood (1), an air supply pipe (2), a power air supply main machine (3) and a circuit board (31);
the air outlet of the power air supply host (3) is connected with the air inlet of the hood (1) through the air supply pipe (2);
the circuit board (31) comprises a control module (311) and a communication module (312), wherein the control module (311) is connected with the communication module (312);
the control module (311) is connected with the power air supply host (3);
a first temperature sensor (4) is arranged in the head cover (1) and used for monitoring the temperature in the head cover;
a first pressure sensor (5) is arranged in the head cover (1) and used for monitoring the air pressure in the head cover;
a second pressure sensor (6) is arranged outside the hood or outside the power air supply host (3) and used for monitoring the air pressure of the external environment;
the first temperature sensor (4), the first pressure sensor (5) and the second pressure sensor (6) are all connected with the communication module (312).
2. The powered air-supply respirator with monitoring device according to claim 1, characterized in that a gas refrigeration module (8) is provided between the powered air-supply main machine (3) and the hood (1); the gas refrigeration module (8) is connected with the control module (311).
3. The powered blower respirator with monitoring device of claim 1, characterized in that a gas heating module (9) is provided between the powered blower main unit (3) and the hood (1); the gas heating module (9) is connected with the control module (311).
4. The powered supply air respirator with monitoring device according to claim 1, characterized in that the inlet air of the hood (1) is provided with a second temperature sensor (7) for monitoring the temperature of the inlet air of the hood (1), the second temperature sensor (7) being connected to the communication module (312).
5. The powered air-supplying respirator with monitoring device according to claim 4, characterized in that the first temperature sensor (4) is provided with a first wireless communication module; the second temperature sensor (7) is provided with a second wireless communication module; the first pressure sensor (5) is provided with a third wireless communication module; the second pressure sensor (6) is provided with a fourth wireless communication module; the communication module (312) comprises a fifth wireless communication module;
the first wireless communication module, the second wireless communication module, the third wireless communication module and the fourth wireless communication module are all in communication connection with the fifth wireless communication module.
6. The powered air-supply respirator with monitoring device according to claim 4, characterized in that the hood (1) is provided with a battery module, to which both the sensors inside the hood (1) and outside the hood are connected.
7. The powered air-breathing apparatus with monitoring device according to any of claims 1-6, characterised in that the hood (1) is provided with a warning light, which is connected to the control module (311).
8. Powered air-supply respirator with monitoring device according to any of claims 1-6, characterized in that the hood (1) is provided with a display screen, which is connected to the control module (311).
9. The powered air-breathing apparatus with monitoring device of any of claims 1-6, further comprising a manual controller, said manual controller being connected to said control module (311).
10. The powered air-supplying respirator with monitoring device according to any of claims 1 to 6, characterized in that the circuit board (31) is located inside the powered air-supplying main machine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101428.9U CN213554982U (en) | 2020-09-22 | 2020-09-22 | Power air supply respirator with monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101428.9U CN213554982U (en) | 2020-09-22 | 2020-09-22 | Power air supply respirator with monitoring device |
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| Publication Number | Publication Date |
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| CN213554982U true CN213554982U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022101428.9U Active CN213554982U (en) | 2020-09-22 | 2020-09-22 | Power air supply respirator with monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040802A (en) * | 2022-05-07 | 2022-09-13 | 北京机械设备研究所 | Positive pressure oxygen respirator and temperature control method thereof |
| CN117695548A (en) * | 2023-12-18 | 2024-03-15 | 常州迅安科技股份有限公司 | Air pressure compensation control system and method for power air supply filtering type respirator |
-
2020
- 2020-09-22 CN CN202022101428.9U patent/CN213554982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040802A (en) * | 2022-05-07 | 2022-09-13 | 北京机械设备研究所 | Positive pressure oxygen respirator and temperature control method thereof |
| CN117695548A (en) * | 2023-12-18 | 2024-03-15 | 常州迅安科技股份有限公司 | Air pressure compensation control system and method for power air supply filtering type respirator |
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