CN111080975A - Method and system for carrying out safety protection on limited space operation - Google Patents
Method and system for carrying out safety protection on limited space operation Download PDFInfo
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- CN111080975A CN111080975A CN201911340093.1A CN201911340093A CN111080975A CN 111080975 A CN111080975 A CN 111080975A CN 201911340093 A CN201911340093 A CN 201911340093A CN 111080975 A CN111080975 A CN 111080975A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention relates to the technical field of chemical engineering operation safety, and provides a method for carrying out safety protection on limited space operation, which is executed outside a limited space and comprises the following steps: receiving and processing a real-time video image sent from the interior of a limited space; receiving and processing real-time concentration detection data of a predetermined gas sent from the interior of a limited space; displaying the processed video image and the processed concentration detection data in real time; and when the concentration detection data reach a preset concentration threshold value, alarming. The technical scheme provided by the invention can effectively monitor the limited space in real time and avoid accidents.
Description
Technical Field
The invention relates to the technical field of chemical engineering operation safety, in particular to a method and a system for carrying out safety protection on limited space operation.
Background
The limited space is a space which is closed or partially closed, is relatively isolated from the outside, has a narrow entrance and exit, and is easy to cause accumulation of toxic, harmful, flammable and explosive substances or insufficient oxygen content, so that workers cannot work for a long time.
At present, in the chemical industry field, the following mode is adopted for safety protection of limited space operation: firstly, a detection probe of a sampling pump extends into a limited space to detect toxic and harmful gases in the limited space, and the toxic and harmful gases can enter the limited space after a detection result is qualified; in the operation process, the operating personnel need hand-carry portable toxic gas detector, detect the inside gas in limited space in real time, when detecting poisonous harmful gas, the detector can automatic alarm, remind the operating personnel. When the operator enters the limited space for operation, the outside of the limited space is also provided with a corresponding guardian, and once the inside operator finds the environment abnormality through the gas detector, the outside guardian is informed in time, so that the occurrence of accidents can be avoided.
It can be seen that, in the existing safety protection measures, as shown in fig. 8, the monitoring process is completely performed in a manual notification manner, and the monitoring personnel cannot actively find the abnormal condition. The internal environment of the limited space is complex and changeable, once the concentration of toxic and harmful gases is instantly increased, an operator may not be in time to inform a guardian that the gas is poisoned and unconscious, and if the guardian cannot find the gas in time, accidents and casualties can be caused. Therefore, the existing safety protection mode has low monitoring quality and cannot effectively deal with the emergency.
Disclosure of Invention
In view of this, the present invention provides a method and a system for performing safety protection on limited space operation, which can effectively monitor a limited space in real time and avoid accidents.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method of securing a confined space operation, the method being performed outside a confined space, the method comprising:
receiving and processing a real-time video image sent from the interior of a limited space;
receiving and processing real-time concentration detection data of a predetermined gas sent from the interior of a limited space;
displaying the processed video image and the processed concentration detection data in real time;
and when the concentration detection data reach a preset concentration threshold value, alarming.
Preferably, the video image and the density detection data are transmitted in a wireless transmission mode.
Preferably, the wireless transmission mode includes at least one of the following items: WIFI, Bluetooth and ZigBee.
Further, the method further comprises:
receiving and processing real-time temperature detection data sent from the interior of a limited space;
displaying the processed temperature detection data in real time;
and when the temperature detection data reach a preset temperature threshold value, alarming.
Further, the method further comprises:
receiving and processing real-time humidity detection data sent from the interior of a limited space;
displaying the processed humidity detection data in real time;
and when the humidity detection data reach a preset humidity threshold value, alarming.
Further, the method further comprises: and when the receiving of the video image or the concentration detection data or the temperature detection data or the humidity detection data is interrupted, alarming.
According to the method for carrying out safety protection on the operation in the limited space, the external monitoring personnel can monitor the internal condition of the limited space in real time by receiving and processing the real-time video image sent from the inside of the limited space and receiving and processing the real-time concentration detection data of the preset gas sent from the inside of the limited space. Meanwhile, when the concentration detection data reach a preset concentration threshold value, an alarm is given, so that a guardian can not wait for the notice of an internal operator passively, and can deal with an emergency in time.
Another objective of the present invention is to provide a system for performing safety protection on operations in a limited space, which can effectively monitor the limited space in real time to avoid accidents.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a system for carrying out safety protection on limited space operation comprises a transmitting device arranged inside a limited space and a receiving device arranged outside the limited space;
the transmission apparatus includes:
the image acquisition module is used for acquiring real-time video images in a limited space;
the image sending module is used for sending the acquired video image to the outside of the limited space;
the gas detection module is used for detecting the concentration of the preset gas in the limited space in real time;
the first data sending module is used for sending the detected concentration detection data to the outside of the limited space;
the receiving apparatus includes:
a receiving module for receiving the video image and the density detection data;
the processing module is used for processing the video image and the concentration detection data;
the display module is used for displaying the processed video image and the processed concentration detection data in real time;
and the alarm module is used for giving an alarm when the concentration detection data reaches a preset concentration threshold value.
Preferably, the image sending module and the first data sending module are both wireless sending modules, and the receiving module is a wireless receiving module.
Preferably, the wireless transmission module includes at least one of the following modules: WIFI module, bluetooth module, zigBee module.
Further, the sending apparatus further includes:
the temperature detection module is used for carrying out real-time temperature detection on the interior of the limited space;
the second data sending module is used for sending the detected temperature detection data to the outside of the limited space;
the receiving module is further used for receiving the temperature detection data; the processing module is also used for processing the temperature detection data; the display module is also used for displaying the processed temperature detection data in real time;
the alarm module is also used for giving an alarm when the temperature detection data reaches a preset temperature threshold value.
Further, the sending apparatus further includes:
the humidity detection module is used for detecting the humidity in the limited space in real time;
the third data sending module is used for sending the detected humidity detection data to the outside of the limited space;
the receiving module is further used for receiving the humidity detection data; the processing module is also used for processing the humidity detection data; the display module is also used for displaying the processed humidity detection data in real time;
the alarm module is also used for giving an alarm when the humidity detection data reaches a preset humidity threshold value.
Further, the alarm module is further configured to alarm when the receiving module interrupts receiving of the video image, the concentration detection data, the temperature detection data, or the humidity detection data.
Compared with the prior art, the system for performing safety protection on limited space operation and the method for performing safety protection on limited space operation have the same advantages, and are not described herein again.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a flow chart of a method of an embodiment of the present invention;
FIG. 2 is a flow chart of a method for monitoring temperature in an embodiment of the present invention;
FIG. 3 is a flow chart of a method for monitoring humidity in an embodiment of the present invention;
FIG. 4 is a first block diagram of an apparatus according to an embodiment of the present invention;
FIG. 5 is a second block diagram of an apparatus according to an embodiment of the present invention;
FIG. 6 is a third block diagram of an apparatus according to an embodiment of the present invention;
FIG. 7 is a fourth block diagram of an apparatus according to an embodiment of the present invention;
fig. 8 is a schematic diagram of safety precautions employed in the prior art.
Description of the reference numerals
1-limited space, 2-existing gas detector, 3-operator, 4-guardian.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a flowchart of a method according to an embodiment of the present invention, which includes:
step S101, receiving real-time video images sent from the interior of a limited space and real-time concentration detection data of a preset gas;
in the embodiment, the method comprises the steps of collecting real-time video images in a limited space and sending the video images to the outside of the limited space; and detecting the concentration of the preset gas in the limited space in real time, and sending the concentration detection data to the outside of the limited space. The real-time video image and the real-time density detection data are received outside the limited space.
In this step, can adopt current camera device to carry out real-time video image and gather, and this kind of video image should be to carrying out the video acquisition of 360 no dead angles to the limited space inside, for this purpose, can install the cloud platform additional to camera device, through the rotation of wireless control cloud platform, change camera device's shooting angle to can follow each angle and the inside real-time video image of direction acquisition limited space. Alternatively, when the limited space is small and the shooting view of the camera device is large, the panoramic view in the limited space can be shot by installing the camera device at a proper position. Alternatively, cameras may be installed at different positions in the limited space, and a panorama inside the limited space may be acquired by a plurality of cameras. In specific application, the different modes can be selected according to different practical situations for implementation.
In the embodiment, the collected real-time video image is sent to the outside of the limited space in a wireless transmission mode. Specifically, a wireless transmitting module may be added to an existing image pickup apparatus, and a wireless receiving module may be disposed outside a limited space, where the wireless transmitting module transmits a captured video image to the wireless receiving module in real time.
In this step, the existing toxic and harmful gas detection device can be adopted to carry out real-time detection on the concentration of the preset gas in the limited space. The predetermined gas includes: carbon monoxide, sulfur dioxide, chlorine and the like are absorbed into gases which are easily poisoned or easily generate leakage in a limited space. The real-time detection means that the toxic and harmful gas detection device uninterruptedly detects the gas in the limited space in the starting state, regardless of whether an operator operates in the limited space. One benefit of doing so is that not only can monitor the operation personnel in the operation process, but also can monitor the gas leakage situation inside the limited space when not operating, further avoid the emergence of accident. Under the real-time detection state, the operator can directly enter the limited space to operate when the detection data is normal, and repeated detection is not performed before entering. Of course, in consideration of factors such as cost, the staff can select the time period to carry out real-time detection on the interior of the limited space according to specific needs.
In this embodiment, the detected concentration detection data is transmitted to the outside of the limited space in a wireless transmission manner. Specifically, a wireless transmission module can be added to the existing toxic and harmful gas detection device, a wireless receiving module is arranged outside the limited space, and the wireless transmission module transmits the detected concentration detection data to the wireless receiving module in real time. It should be noted that the wireless receiving module and the wireless receiving module for receiving the video image may be the same module or different modules. Preferably, the same wireless receiving module is used for receiving the video image and the density detection data.
Step S102, processing the video image and the density detection data;
step S103, displaying the processed video image and the processed concentration detection data in real time;
in this step, the wireless receiving module receives the video image and the concentration detection data, processes the video image and the concentration detection data by the corresponding processing module, and displays the video image and the concentration detection data in real time by the display module positioned outside the limited space, so that a guardian outside the limited space can monitor the inside of the limited space in real time. The processing of the video image and the density detection data includes: the display module can display the statistical curve correspondingly so as to display the concentration detection data more intuitively.
And step S104, when the concentration detection data reach a preset concentration threshold value, alarming.
In this step, the predetermined concentration threshold is preset by the operator. The alarm device is arranged outside the limited space, and alarms outside the limited space, so that the guardian can be reminded in time. In practical application, after a wireless sending module is added in the existing poisonous and harmful gas detection device, the alarm function of the gas detection device is not influenced, namely, when the concentration detection data reach a preset concentration threshold value, the gas detection device gives an alarm in a limited space to remind an operator; the alarm device who installs additional is reported to the police in the confined space outside, reminds guardians, so, can ensure operation personnel's personal safety more effectively, further avoid the occurence of failure.
It should be noted that step S103 and step S104 are not executed in sequence.
The wireless transmission mode in this embodiment includes at least one of the following items: WIFI, Bluetooth and ZigBee. One of the wireless transmission modes can be selected for use, multiple wireless transmission modes can be selected for combined use, a standby scheme can be set, and when one wireless transmission mode is unavailable, the standby wireless transmission mode is started.
In order to further monitor the inside of the limited space to more accurately grasp the internal condition of the limited space, as shown in fig. 2, the embodiment further includes:
step S105, receiving real-time temperature detection data sent from the interior of the limited space;
in this embodiment, real-time temperature detection is performed on the inside of the limited space, and temperature detection data is sent to the outside of the limited space.
Similarly to step S101, in this step, the temperature inside the limited space may be detected in real time by using an existing temperature detection device, and the temperature detection data may be transmitted to the outside of the limited space by using a wireless transmission method. Specifically, a wireless transmission module may be added to an existing temperature detection device, a wireless reception module may be disposed outside a limited space, and the wireless transmission module may transmit detected temperature detection data to the wireless reception module in real time. The wireless receiving module may be provided separately, or the wireless receiving module in step S101 may be directly used.
Step S106, processing the temperature detection data;
step S107, displaying the processed temperature detection data in real time;
and step S108, when the temperature detection data reaches a preset temperature threshold value, alarming.
In this embodiment, the steps S107 and S108 are not executed in sequence, and both are executed outside the limited space.
In order to further monitor the inside of the limited space to more accurately grasp the internal condition of the limited space, as shown in fig. 3, the embodiment further includes:
step S109, receiving real-time humidity detection data sent from the interior of the limited space;
in the embodiment, the humidity detection is carried out in real time in the limited space, and the humidity detection data is sent to the outside of the limited space;
similarly to steps S101 and S105, in this step, the temperature inside the limited space may be detected in real time by using an existing humidity detection device, and the humidity detection data may be transmitted to the outside of the limited space by using a wireless transmission method. Specifically, a wireless transmission module may be added to the existing humidity detection device, and a wireless reception module may be disposed outside the limited space, and the wireless transmission module may transmit the detected humidity detection data to the wireless reception module in real time. The wireless receiving module may be provided separately, or the wireless receiving modules in step S101 and step S105 may be directly used.
Step S110, processing the humidity detection data;
step S111, displaying the processed humidity detection data in real time;
and step S112, when the humidity detection data reaches a preset humidity threshold value, alarming.
In this embodiment, the steps S111 and S112 are not executed in sequence, and both are executed outside the limited space.
In order to ensure the real-time transmission of the above various data, the embodiment further includes: when the receiving of the video image or the density detection data or the temperature detection data or the humidity detection data is interrupted, an alarm is given outside the limited space.
In this embodiment, in order to distinguish alarms of different conditions, a plurality of alarm devices may be provided, that is, one alarm device corresponds to each condition, and each alarm device is explicitly identified to indicate the alarm condition represented by the alarm device. Alternatively, different alarm signals or alarm modes can be set for the same alarm device, for example, a clear voice alarm mode can be adopted to alarm different conditions.
In accordance with the above-described embodiments, the present invention also provides a system for performing safety protection on a limited space operation, which includes a transmitting device disposed inside a limited space and a receiving device disposed outside the limited space, as shown in fig. 4.
The above-mentioned transmitting apparatus includes: the image acquisition module is used for acquiring real-time video images in a limited space; the image sending module is used for sending the acquired video image to the outside of the limited space; the gas detection module is used for detecting the concentration of the preset gas in the limited space in real time; the first data sending module is used for sending the detected concentration detection data to the outside of the limited space;
the above-mentioned receiving arrangement includes: a receiving module for receiving the video image and the density detection data; the processing module is used for processing the video image and the concentration detection data; the display module is used for displaying the processed video image and the processed concentration detection data in real time; and the alarm module is used for giving an alarm when the concentration detection data reaches a preset concentration threshold value.
In order to improve convenience and increase no extra cable, the image sending module and the first data sending module are both wireless sending modules, and the receiving module is a wireless receiving module. Preferably, the wireless transmitting module or the wireless receiving module includes at least one of the following modules: WIFI module, bluetooth module, zigBee module.
In order to further monitor the inside of the limited space to more accurately grasp the internal condition of the limited space, as shown in fig. 5, the transmitting apparatus in the present embodiment further includes: the temperature detection module is used for carrying out real-time temperature detection on the interior of the limited space; the second data sending module is used for sending the temperature detection data acquired by the temperature detection module to the outside of the limited space; the receiving module is also used for receiving temperature detection data; the processing module is also used for processing the temperature detection data; the display module is also used for displaying the processed temperature detection data outside the limited space in real time; the alarm module is also used for alarming outside the limited space when the temperature detection data reaches a preset temperature threshold value.
Further, as shown in fig. 6, the transmitting apparatus in this embodiment further includes: the humidity detection module is used for detecting the humidity in the limited space in real time; the third data sending module is used for sending the humidity detection data acquired by the humidity detection module to the outside of the limited space; the receiving module is also used for receiving humidity detection data; the processing module is also used for processing the humidity detection data; the display module is also used for displaying the processed humidity detection data outside the limited space in real time; the alarm module is also used for alarming outside the limited space when the humidity detection data reaches a preset humidity threshold value.
In order to ensure the real-time transmission of the above various data, the above alarm module is further configured to alarm outside the limited space when the receiving module interrupts receiving the video image or the concentration detection data or the temperature detection data or the humidity detection data.
In this embodiment, the receiving module, the processing module, the display module, the alarm module, etc. are all integrated into one device, which is called a wireless monitoring device, as shown in fig. 7. Fig. 7 shows the internal structure of the wireless monitoring device, and the corresponding improvements and data transmission relations of the existing camera device, the poisonous and harmful gas detection device, the temperature detection device and the humidity detection device.
The working principle, the work flow and other contents of the device related to the specific embodiment can be referred to the specific embodiment of the method for performing safety protection on limited space operation provided by the invention, and the same technical contents are not described in detail herein.
According to the method and the system for carrying out safety protection on the limited space operation, the internal state of the limited space can be monitored in real time by external monitoring personnel through carrying out real-time video image acquisition on the internal part of the limited space, carrying out real-time detection on the concentration of the preset gas in the limited space and sending the video image and the concentration detection data to the external part of the limited space for real-time display. Meanwhile, when the concentration detection data reach a preset concentration threshold value, an alarm is given, so that a guardian can not wait for the notice of an internal operator passively, and can deal with an emergency in time. Therefore, the technical scheme provided by the invention can effectively monitor the limited space in real time, thereby effectively avoiding accidents and casualties.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
Those skilled in the art will understand that all or part of the steps in the method according to the above embodiments may be implemented by a program, which is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, any combination of various different implementation manners of the embodiments of the present invention can be performed, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (12)
1. A method of securing a limited space operation, the method performed outside a limited space, the method comprising:
receiving and processing a real-time video image sent from the interior of a limited space;
receiving and processing real-time concentration detection data of a predetermined gas sent from the interior of a limited space;
displaying the processed video image and the processed concentration detection data in real time;
and when the concentration detection data reach a preset concentration threshold value, alarming.
2. The method of claim 1, wherein the video image and the density detection data are transmitted via wireless transmission.
3. The method of claim 2, wherein the wireless transmission comprises at least one of: WIFI, Bluetooth and ZigBee.
4. The method of safeguarding limited-space operations of claim 1, further comprising:
receiving and processing real-time temperature detection data sent from the interior of a limited space;
displaying the processed temperature detection data in real time;
and when the temperature detection data reach a preset temperature threshold value, alarming.
5. The method of safeguarding limited-space operations of claim 4, further comprising:
receiving and processing real-time humidity detection data sent from the interior of a limited space;
displaying the processed humidity detection data in real time;
and when the humidity detection data reach a preset humidity threshold value, alarming.
6. The method of safeguarding limited-space operations of claim 5, further comprising: and when the receiving of the video image or the concentration detection data or the temperature detection data or the humidity detection data is interrupted, alarming.
7. A system for carrying out safety protection on limited space operation is characterized by comprising a transmitting device arranged inside a limited space and a receiving device arranged outside the limited space;
the transmission apparatus includes:
the image acquisition module is used for acquiring real-time video images in a limited space;
the image sending module is used for sending the acquired video image to the outside of the limited space;
the gas detection module is used for detecting the concentration of the preset gas in the limited space in real time;
the first data sending module is used for sending the detected concentration detection data to the outside of the limited space;
the receiving apparatus includes:
a receiving module for receiving the video image and the density detection data;
the processing module is used for processing the video image and the concentration detection data;
the display module is used for displaying the processed video image and the processed concentration detection data in real time;
and the alarm module is used for giving an alarm when the concentration detection data reaches a preset concentration threshold value.
8. The system for performing safety protection on limited space operation according to claim 7, wherein the image sending module and the first data sending module are both wireless sending modules, and the receiving module is a wireless receiving module.
9. The system for securing limited space operations according to claim 8, wherein the wireless transmission module comprises at least one of: WIFI module, bluetooth module, zigBee module.
10. The system for securing limited space operations as recited in claim 7, wherein said transmitting means further comprises:
the temperature detection module is used for carrying out real-time temperature detection on the interior of the limited space;
the second data sending module is used for sending the detected temperature detection data to the outside of the limited space;
the receiving module is further used for receiving the temperature detection data; the processing module is also used for processing the temperature detection data; the display module is also used for displaying the processed temperature detection data in real time;
the alarm module is also used for giving an alarm when the temperature detection data reaches a preset temperature threshold value.
11. The system for securing limited space operations of claim 10, wherein said transmitting means further comprises:
the humidity detection module is used for detecting the humidity in the limited space in real time;
the third data sending module is used for sending the detected humidity detection data to the outside of the limited space;
the receiving module is further used for receiving the humidity detection data; the processing module is also used for processing the humidity detection data; the display module is also used for displaying the processed humidity detection data in real time;
the alarm module is also used for giving an alarm when the humidity detection data reaches a preset humidity threshold value.
12. The system for safeguarding a limited-space operation according to claim 11, wherein the alarm module is further configured to alarm when the receiving module interrupts the receiving of the video image or the concentration detection data or the temperature detection data or the humidity detection data.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111768602A (en) * | 2020-06-30 | 2020-10-13 | 广州中石科技有限公司 | Intelligent safety supervision system and supervision method for operation in limited space |
| CN111879894A (en) * | 2020-07-02 | 2020-11-03 | 国网天津市电力公司 | Detection protection system for limited space and use method thereof |
| CN112149847A (en) * | 2020-09-25 | 2020-12-29 | 北方联合电力有限责任公司临河热电厂 | Flow confirmation method for limited space operation |
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Application publication date: 20200428 |