CN218446913U - Limited space harmful gas detects and protection system - Google Patents
Limited space harmful gas detects and protection system Download PDFInfo
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- CN218446913U CN218446913U CN202222023631.8U CN202222023631U CN218446913U CN 218446913 U CN218446913 U CN 218446913U CN 202222023631 U CN202222023631 U CN 202222023631U CN 218446913 U CN218446913 U CN 218446913U
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Abstract
The utility model belongs to the technical field of space operation, in particular to a harmful gas detection and protection system for a limited space, which comprises a monitoring module, wherein the monitoring module is arranged inside the limited space and comprises a gas detection device and a temperature and humidity monitoring device; the protection module comprises a fire fighting device, a ventilation device and a humidity adjusting device which are all positioned in the limited space; the system also comprises an alarm module, a controller and a data terminal control center; the controller is connected with the fire fighting device, the ventilation device, the humidity adjusting device and the alarm module; and the data terminal control center is connected with the gas detection device, the temperature and humidity monitoring device and the controller through a wireless communication module. The utility model discloses simple to operate can monitor the space internal conditions, and can in time report to the police and start protective measures.
Description
Technical Field
The utility model belongs to the technical field of the space operation, especially, relate to a limited space harmful gas detects and protection system.
Background
Confined spaces refer to closed or partially closed spaces; the device is relatively isolated from the outside, the entrance and the exit are narrow, the internal space is small or the operation space is small, the limitation of electricity utilization or special operation is more, and the operators can not work for a long time; and the natural ventilation in the space is poor, so that toxic, harmful, flammable and explosive substances are easy to accumulate or the oxygen content is insufficient. The current method for detecting the temperature, the humidity and the gas composition of the environment in the limited space is lack of a real-time detection means, common operators perform one-time detection on the interior of the space before operation, then perform a forced ventilation measure, and then enter the operation after a special person monitoring measure, so that the time is consumed, and even though the operators still have high risks of heatstroke, poisoning, suffocation and the like in the operation process; measures for actively protecting the safety of the operating personnel are lacked in the limited space.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the background art, the utility model provides a limited space harmful gas detects and protection system, its simple to operate can monitor the inside condition in space, and can in time report to the police and start protective measure.
In order to achieve the above purpose, the utility model provides a technical scheme does:
a system for detecting and protecting harmful gas in a limited space comprises a monitoring module, a temperature sensor and a temperature and humidity sensor, wherein the monitoring module is arranged in the limited space and comprises a gas detection device and a temperature and humidity monitoring device; further comprising a protection module comprising a ventilation device located inside the confined space; the system also comprises an alarm module, a controller and a data terminal control center; the controller is connected with the ventilation device and the alarm module; and the data terminal control center is connected with the gas detection device, the temperature and humidity monitoring device and the controller through a wireless communication module.
Further, the gas detection device is a gas sensor, and the gas sensor is located at any position in the restricted space.
Furthermore, the temperature and humidity monitoring device is a temperature and humidity sensor, and the temperature and humidity sensor is located at any position inside the limited space.
Furthermore, the ventilating device is a variable frequency fan, and the variable frequency fan is arranged outside the limited space; the limited space is provided with a ventilating duct, a first ventilating opening of the ventilating duct is positioned in the limited space, a second ventilating opening of the ventilating duct is positioned outside the limited space, the second ventilating opening is provided with a first electromagnetic valve, and the first electromagnetic valve is connected with the controller; and the air outlet of the variable frequency fan is connected with the second ventilation opening.
Further, the protection module further comprises a fire fighting device, wherein the fire fighting device comprises a spray pipe and a second electromagnetic valve; the spray pipe is arranged at the top in the limited space, one end of the spray pipe is connected with the water pipe, the connector is provided with the second electromagnetic valve, and the second electromagnetic valve is connected with the controller.
Further, the protection module further comprises a humidity adjusting device, wherein the humidity adjusting device comprises a dryer and a humidifier, and the humidity adjusting device is located at any position inside the limited space and is connected with the controller.
Further, the alarm module comprises a first audible and visual alarm which is positioned on an external wall of the restricted space and connected with the controller; still include the second audible-visual annunciator, the second audible-visual annunciator is close to data terminal control center and rather than being connected.
Further, the wireless communication module is long-distance wireless transmission communication of LoRa.
The utility model has the advantages of as follows and beneficial effect:
1. add protection module in confined space's monitoring system, ventilation unit among the protection module can avoid the injury that causes the operating personnel because the poisonous and harmful gas in the space to a certain extent, and can ventilate in advance and handle, can save time to a certain extent.
2. The protection module further comprises a fire fighting device and a humidity adjusting device, the humidity in the space can be adjusted according to the condition in the limited space, and the fire fighting device can timely spray and extinguish fire under the condition that the limited space catches fire.
Drawings
Fig. 1 is a flow chart of the system for detecting and protecting harmful gas in a confined space provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1, a system for detecting and protecting harmful gases in a restricted space comprises a monitoring module, wherein the monitoring module is installed inside the restricted space and comprises a gas detection device and a temperature and humidity monitoring device, the gas detection device is a gas sensor, the temperature and humidity monitoring device is a temperature and humidity sensor, and the temperature and humidity monitoring device and the gas detection device are both installed at any position inside the restricted space and are used for monitoring gas components and temperature and humidity in the restricted space; the protection module comprises a ventilation device which is positioned in the limited space, the ventilation device is a variable frequency fan, and the variable frequency fan is arranged outside the limited space; the limited space is provided with a ventilating duct, a first ventilating opening of the ventilating duct is positioned in the limited space, a second ventilating opening of the ventilating duct is positioned outside the limited space, the second ventilating opening is provided with a first electromagnetic valve, and the electromagnetic valve is connected with the controller; the air outlet of the variable frequency fan is connected with the second ventilation opening; the system also comprises an alarm module, a controller and a data terminal control center; the alarm module comprises a first audible and visual alarm, and the first audible and visual alarm is positioned on an external wall of the limited space and is connected with the controller; still include the second audible-visual annunciator, the second audible-visual annunciator is close to data terminal control center and rather than being connected. The controller is connected with the variable frequency fan and the first audible and visual alarm; and the data terminal control center is connected with the gas detection device, the temperature and humidity monitoring device and the controller through a wireless communication module. Data that gas sensor, temperature and humidity sensor monitored transmit for data terminal control center through the controller, and data terminal control center analysis gained data when finding that hazardous gas exceeds standard, control second sound light alarm starts, transmits alarm signal for the controller, the first audible-visual alarm of controller control starts, sends the one-level early warning, and the variable frequency fan of while control starts, and solenoid valve opens, and in the variable frequency fan insufflates the confined space with outside cold wind, make poisonous hazardous gas discharge as early as possible along with the flue. The wireless communication module uses LoRa remote wireless transmission communication, the distance of the wireless communication module is longer than that of other wireless modes under the same power consumption condition, the wireless communication module has the advantages of low power consumption and long distance, the distance of the wireless communication module is enlarged by 3-5 times than that of the traditional wireless radio frequency communication module under the same power consumption condition, the node expansion is convenient, and the communication is reliable and convenient.
The utility model discloses a theory of operation: the condition in the limited space is monitored through the gas sensor and the temperature and humidity sensor, monitoring data are transmitted to the data terminal control center to be analyzed, when toxic and harmful gas exceeds the standard, the variable frequency fan is controlled to discharge toxic and harmful gas in the space in advance, and early warning is sent out.
Example two
On the basis of the first embodiment, a fire fighting device is added to the protection module, and the fire fighting device comprises a spraying pipe and a second electromagnetic valve; the spray pipe is arranged at the top in the limited space, one end of the spray pipe is connected with the water pipe, the connector is provided with the second electromagnetic valve, and the second electromagnetic valve is connected with the controller. When the temperature and humidity sensor monitors that the temperature is abnormal, the height sends out a fire disaster, a first-level early warning is sent out, the controller controls the second electromagnetic valve to be opened, and the spraying pipe starts spraying and extinguishing.
EXAMPLE III
On the basis of the second embodiment, a humidity adjusting device is added to the protection module, and the humidity adjusting device comprises a dryer and a humidifier, and is located at any position inside the limited space and connected with the controller. When the gas sensor and the temperature and humidity sensor monitor that the oxygen of the environment in the space is low or the humidity changes, a secondary early warning is sent out, and the frequency of the sound and the flash light sent out by the secondary early warning compared with the primary early warning is set to be different modes; after a second-stage early warning is sent, the controller controls the variable frequency fan to increase the air supply amount, the working strength of the dryer is controlled when the humidity in the environment is higher, and the working strength of the humidifier is controlled when the humidity in the environment is lower, so that the environment in a limited space is improved, the safety of workers is guaranteed, and the service life of equipment is prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A system for detecting and protecting harmful gas in a limited space is characterized by comprising a monitoring module, a temperature and humidity monitoring module and a control module, wherein the monitoring module is arranged in the limited space and comprises a gas detection device and a temperature and humidity monitoring device;
further comprising a protection module comprising a ventilation device located inside the confined space;
the system also comprises an alarm module, a controller and a data terminal control center;
the controller is connected with the ventilation device and the alarm module; and the data terminal control center is connected with the gas detection device, the temperature and humidity monitoring device and the controller through a wireless communication module.
2. The confined space hazardous gas detection and protection system of claim 1, wherein: the gas detection device is a gas sensor which is positioned at any position in the restricted space.
3. The confined space hazardous gas detection and protection system of claim 1, wherein: the temperature and humidity monitoring device is a temperature and humidity sensor which is located at any position inside the limited space.
4. The confined space hazardous gas detection and protection system of claim 1, wherein: the ventilation device is a variable frequency fan which is arranged outside the limited space; the limited space is provided with a ventilating duct, a first ventilating opening of the ventilating duct is positioned in the limited space, a second ventilating opening of the ventilating duct is positioned outside the limited space, the second ventilating opening is provided with a first electromagnetic valve, and the first electromagnetic valve is connected with the controller; and the air outlet of the variable frequency fan is connected with the second ventilation opening.
5. The confined space hazardous gas detection and protection system of claim 1, wherein: the protection module further comprises a fire fighting device, and the fire fighting device comprises a spray pipe and a second electromagnetic valve; the spray pipe is arranged at the top in the limited space, one end of the spray pipe is connected with the water pipe, the connector is provided with the second electromagnetic valve, and the second electromagnetic valve is connected with the controller.
6. The confined space hazardous gas detection and protection system of claim 1, wherein: the protection module further comprises a humidity adjusting device, wherein the humidity adjusting device comprises a dryer and a humidifier, and the humidity adjusting device is located at any position inside the limited space and connected with the controller.
7. The confined space hazardous gas detection and protection system of claim 1, wherein: the alarm module comprises a first audible and visual alarm, and the first audible and visual alarm is positioned on an external wall of the limited space and is connected with the controller; still include the second audible-visual annunciator, the second audible-visual annunciator is close to data terminal control center and rather than being connected.
8. The confined space hazardous gas detection and protection system of claim 1, wherein: the wireless communication module is long-distance wireless transmission communication of loRa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222023631.8U CN218446913U (en) | 2022-08-02 | 2022-08-02 | Limited space harmful gas detects and protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222023631.8U CN218446913U (en) | 2022-08-02 | 2022-08-02 | Limited space harmful gas detects and protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218446913U true CN218446913U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222023631.8U Active CN218446913U (en) | 2022-08-02 | 2022-08-02 | Limited space harmful gas detects and protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218446913U (en) |
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2022
- 2022-08-02 CN CN202222023631.8U patent/CN218446913U/en active Active
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