Monitoring and early warning instrument for inspection and maintenance operation

Abstract

The utility model discloses a monitoring and early warning instrument for inspection and maintenance operation, which relates to the technical field of safety detection and comprises a shell, a protective cover, a camera, a control element, a wireless module, a sensor probe and an audible and visual alarm, the protective cover is arranged at the upper end of the shell, the camera is arranged in the protective cover, and the control element is arranged in the wireless module. The camera is arranged in the shell, the wireless module, the sensor probe and the audible and visual alarm are arranged on the outer wall of the shell, the control element is arranged in the shell, and the camera, the wireless module, the sensor probe and the audible and visual alarm are respectively connected with the control element. Through the arrangement of the camera, the control element, the wireless module, the sensor probe and the audible and visual alarm, an installation scene can be monitored, whether flammable gas leaks in the installation scene or not can be monitored, an alarm prompt can be given out in time, and potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of safety detection, in particular to a monitoring and early warning instrument for inspection and maintenance operations. Background Art

[0002] The power system is an electricity production and consumption system consisting of power generation, transmission, transformation, distribution and consumption. It converts primary energy from nature into electricity through mechanical energy devices, and then supplies electricity to various users through transmission, transformation and distribution.

[0003] The existing monitoring and early warning instrument used in nuclear power plants includes a shell, on which a camera and a warning light are arranged, and inside the shell there are structures such as a power supply and a circuit board. The shell is then connected to an external structure, and the situation inside the nuclear power plant is recorded through the camera.

[0004] However, although the existing monitoring and early warning instruments can realize the function of recording video images, they are unable to detect the leakage of various flammable gases in nuclear power plants, making it difficult to provide timely warnings. Utility Model Content

[0005] The purpose of the utility model is to provide a monitoring and early warning instrument for inspection and maintenance operations, which is used to solve the above-mentioned technical problems.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A monitoring and early warning instrument for inspection and maintenance operations comprises a shell, a protective cover, a camera, a control element, a wireless module, a sensor probe and an audible and visual alarm. The protective cover is provided at the upper end of the shell, the camera is provided inside the protective cover, the wireless module, the sensor probe and the audible and visual alarm are provided on the outer wall of the shell, the control element is provided inside the shell, and the camera, the wireless module, the sensor probe and the audible and visual alarm are respectively connected to the control element.

[0008] Preferably, the control element includes a mounting plate, a bow-shaped frame, a power module and a PCBA, the mounting plate is arranged in the shell, the upper end of the shell is provided with the bow-shaped frame, the power module and the PCBA are arranged in the bow-shaped frame, and the power module, the wireless module, the camera and the sound and light alarm are respectively connected to the PCBA.

[0009] As a further preference, it further comprises rubber pads, and the rubber pads are arranged on both sides of the power module.

[0010] As a further preference, the wireless module includes a 4G wireless module and a 5G wireless module, and the 4G wireless module and the 5G wireless module are respectively connected to the PCBA.

[0011] As a further preference, it also includes a movement mounting plate and a circuit board, the movement mounting plate is arranged on the upper side of the bow frame, the circuit board is arranged at the lower end of the movement mounting plate, the sensor probe is connected to the circuit board, and the circuit board is connected to the PCBA.

[0012] Preferably, a base is further included, and the base is detachably provided at the lower end of the shell.

[0013] Preferably, it further includes a pressure ring, a through hole is opened at the upper end of the shell, the pressure ring is provided on the upper inner wall of the shell, the protective cover is provided on the pressure ring and extends out of the through hole, and the upper end of the camera extends out of the through hole and is located in the protective cover.

[0014] Preferably, it further includes an antenna module, which includes a mounting base and an antenna arranged on the mounting base, one end of the mounting base is provided with a locking nut, one end of the mounting base extends into the shell, and the locking nut abuts against the inner wall of the shell.

[0015] The above technical solution has the following advantages or beneficial effects:

[0016] In the utility model, through the setting of cameras, control elements, wireless modules, sensor probes and sound and light alarms, the installation scene can be monitored, and whether there is leakage of flammable gas in the installation scene can be detected, and an alarm can be issued in time to avoid the occurrence of safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the monitoring and early warning instrument for mid-term inspection and maintenance operations of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the monitoring and early warning instrument used for mid-term inspection and maintenance work of the utility model. Figure 1 ;

[0019] Figure 3 This is a schematic diagram of the internal structure of the monitoring and early warning instrument used for mid-term inspection and maintenance work of the utility model. Figure 2 .

[0020] In the figure: 1. Shell; 2. Protective cover; 3. Camera; 4. Control element; 401. Mounting plate; 402. Bow frame; 403. Power module; 404. PCBA; 405. Movement mounting plate; 406. Circuit board; 407. Support plate; 5. Wireless module; 501. 4G wireless module; 502. 5G wireless module; 6. Sensor probe; 7. Sound and light alarm; 8. Base; 9. Pressing ring; 10. Antenna module; 1001. Mounting seat; 1002. Antenna; 1003. Locking nut; 11. Explosion-proof connector. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Figure 1 It is a structural schematic diagram of the monitoring and early warning instrument for mid-term inspection and maintenance operations of the utility model; Figure 2 This is a schematic diagram of the internal structure of the monitoring and early warning instrument used for mid-term inspection and maintenance work of the utility model. Figure 1 ; Figure 3 This is a schematic diagram of the internal structure of the monitoring and early warning instrument used for mid-term inspection and maintenance work of the utility model. Figure 2 , see Figures 1 to 3 As shown, a preferred embodiment is shown, which shows a monitoring and early warning instrument for inspection and maintenance operations, including a shell 1, a protective cover 2, a camera 3, a control element 4, a wireless module 5, a sensor probe 6 and an audible and visual alarm 7. The upper end of the shell 1 is provided with a protective cover 2, the protective cover 2 is provided with a camera 3, the outer wall of the shell 1 is provided with a wireless module 5, a sensor probe 6 and an audible and visual alarm 7, the inside of the shell 1 is provided with a control element 4, and the camera 3, wireless module 5, sensor probe 6 and audible and visual alarm 7 are connected to the control element 4 respectively. In this embodiment, see Figure 2As shown, the sensor probe 6 is a gas sensor for detecting flammable gas and toxic gas, and the type of gas sensor can be replaced as needed. The sensor probe 6 is threadedly connected to the housing 1, and the threaded connection is explosion-proof treated and filled with epoxy resin. When in use, when the sensor probe 6 detects toxic and flammable gas, a signal will be sent to the control element 4, and the control element 4 will control the sound and light alarm 7 to flash and emit a sound to prompt, which has an early warning effect. At the same time, the wireless module 5 can be connected to an external control device (such as a mobile phone, a computer or a controller capable of wireless connection) through the antenna module 10, and real-time monitoring can be performed through the external control device. The camera 3 is a common structure on the market, with the function of recording and videotaping, which can record the situation in the installation scene (inside the nuclear power plant) to achieve the purpose of monitoring.

[0025] In this embodiment, the protective cover 2 is a PC cover, which has the functions of insulation and corrosion resistance and can protect the camera 3. The PC cover is transparent, and the lens of the camera 3 extends into the PC cover.

[0026] Further, as a preferred embodiment, the control element 4 includes a mounting plate 401, a bow frame 402, a power module 403 and a PCBA 404. The mounting plate 401 is arranged in the housing 1. The upper end of the housing 1 is provided with a bow frame 402. The bow frame 402 is provided with a power module 403 and a PCBA 404. The power module 403, the wireless module 5, the camera 3 and the sound and light alarm 7 are respectively connected to the PCBA 404. Figure 2 As shown, the mounting plate 401 is arranged inside the shell 1 and connected to the inner wall of the shell 1, and the bow frame 402 is used to fix the power module 403 (battery). The bow frame 402 and the mounting plate 401 can be connected by screws or bolts. Rubber pads are provided on both sides of the power module 403 on the inner wall of the bow frame 402 to protect the power module 403 and prevent the power module 403 from contacting the bow frame 402. The power module 403 is connected to PCBA404 to supply power to PCBA404, and indirectly supply power to the power module 403, the wireless module 5, the camera 3 and the sound and light alarm 7.

[0027] Further, as a preferred embodiment, the wireless module 5 includes a 4G wireless module 501 and a 5G wireless module 502, and the 4G wireless module 501 and the 5G wireless module 502 are connected to the PCBA 404 respectively. Figure 2 As shown, the 4G wireless module 501 and the 5G wireless module 502 can be connected to the lower end of the mounting plate 401 by screws, so as to transmit signals to the antenna module 10 and emit them through the antenna module 10 .

[0028] Further, as a preferred embodiment, it also includes a movement mounting plate 405 and a circuit board 406. The movement mounting plate 405 is arranged on the upper side of the bow frame 402. The circuit board 406 is arranged at the lower end of the movement mounting plate 405. The sensor probe 6 is connected to the circuit board 406, and the circuit board 406 is connected to the PCBA 404. Among them, the structure of the circuit board 406 is a common structure on the market. The sensor probe 6 transmits the detected signal to the circuit board 406, and then transmits it to the PCBA 404 through the circuit board 406. If toxic and flammable gas is detected, the PCBA 404 controls the sound and light alarm 7 to sound an alarm, and at the same time transmits it to the antenna module 10 through the wireless module 5, and transmits it to the external control device through the antenna module 10. Among them, a support plate 407 is also installed on the upper side of the movement mounting plate 405, and the lower end of the camera 3 is arranged on the support plate 407.

[0029] Further, as a preferred embodiment, it also includes a base 8, and the lower end of the housing 1 is detachably provided with the base 8. Figure 2 As shown, the base 8 is detachably connected to the lower end of the housing 1 and can be connected by screws or bolts. Removing the base 8 makes it easy to open the housing 1 and install the control element 4.

[0030] Further, as a preferred embodiment, it also includes a pressing ring 9, a through hole is opened at the upper end of the shell 1, a pressing ring 9 is provided on the upper inner wall of the shell 1, a protective cover 2 is provided on the pressing ring 9 and extends out of the through hole, and the upper end of the camera 3 extends out of the through hole and is located in the protective cover 2. Figure 2 As shown, the pressure ring 9 is installed on the upper inner wall of the shell 1 by screws or bolts, and the outer edge of the lower end of the protective cover 2 extends outward to form a bent portion, a slot is opened on the lower side of the through hole, and the bent portion of the lower end of the protective cover 2 is located in the slot, and cooperates with the setting of the pressure ring 9 to fix the protective cover 2 in the through hole.

[0031] Further, as a preferred embodiment, it also includes an antenna module 10, the antenna module 10 includes a mounting base 1001 and an antenna 1002 disposed on the mounting base 1001, one end of the mounting base 1001 is provided with a locking nut 1003, one end of the mounting base 1001 extends into the housing 1, and the locking nut 1003 abuts against the inner wall of the housing 1. The antenna module 10 includes two antennas 1002, one antenna 1002 is used to send signals, and the other antenna 1002 is used to receive signals, wherein one antenna 1002 is connected to the 4G wireless module 501 or the 5G wireless module 502, and the other antenna 1002 is connected to the PCBA404.

[0032] In this embodiment, an outer wall at one end of the mounting seat 1001 may be provided with an external thread that matches the locking nut 1003. When the mounting seat 1001 is connected to the shell 1, the shell 1 and one end of the mounting seat 1001 may be sealed by epoxy resin.

[0033] In this embodiment, an explosion-proof connector 11 is further provided on the outer wall of the housing 1 for connecting with an external structural member. The explosion-proof connector 11 is a common structure on the market. The sound and light alarm 7 and the antenna module 10 are arranged on both sides of the housing 1, and a plurality of sensor probes 6 are provided, which are located between the sound and light alarm 7 and the antenna module 10. For details, see Figure 1 shown.

[0034] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A monitoring and early warning instrument for inspection and maintenance operations, characterized in that: It includes a shell, a protective cover, a camera, a control element, a wireless module, a sensor probe and an audible and visual alarm. The protective cover is provided at the upper end of the shell, the camera is provided inside the protective cover, the wireless module, the sensor probe and the audible and visual alarm are provided on the outer wall of the shell, the control element is provided inside the shell, and the camera, the wireless module, the sensor probe and the audible and visual alarm are respectively connected to the control element.

2. The monitoring and early warning instrument for inspection and maintenance work according to claim 1, characterized in that: The control element includes a mounting plate, a bow-shaped frame, a power module and a PCBA. The mounting plate is arranged in the shell. The upper end of the shell is provided with the bow-shaped frame. The power module and the PCBA are arranged in the bow-shaped frame. The power module, the wireless module, the camera and the sound and light alarm are respectively connected to the PCBA.

3. The monitoring and early warning instrument for inspection and maintenance work according to claim 2, characterized in that: It also includes rubber pads, which are arranged on both sides of the power module.

4. The monitoring and early warning instrument for inspection and maintenance work according to claim 2, characterized in that: The wireless module includes a 4G wireless module and a 5G wireless module, and the 4G wireless module and the 5G wireless module are respectively connected to the PCBA.

5. The monitoring and early warning instrument for inspection and maintenance work according to claim 2, characterized in that: It also includes a movement mounting plate and a circuit board, wherein the movement mounting plate is arranged on the upper side of the bow frame, the circuit board is arranged at the lower end of the movement mounting plate, the sensor probe is connected to the circuit board, and the circuit board is connected to the PCBA.

6. The monitoring and early warning instrument for inspection and maintenance work according to claim 1, characterized in that: It also includes a base, and the lower end of the shell is detachably provided with the base.

7. The monitoring and early warning instrument for inspection and maintenance work according to claim 1, characterized in that: It also includes a pressing ring, a through hole is opened at the upper end of the shell, the pressing ring is provided on the upper inner wall of the shell, the protective cover is arranged on the pressing ring and extends out of the through hole, and the upper end of the camera extends out of the through hole and is located in the protective cover.

8. The monitoring and early warning instrument for inspection and maintenance work according to claim 1, characterized in that: It also includes an antenna module, which includes a mounting base and an antenna arranged on the mounting base. A locking nut is provided at one end of the mounting base, and one end of the mounting base extends into the shell. The locking nut abuts against the inner wall of the shell.

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