Pumping type portable laser leakage detector

Abstract

The utility model discloses a pumping type portable laser leakage detector, relates to the laser gas detection technical field, and specifically comprises a main monitoring module, a screen display module, a main stay bar module, a wheel set module and a feeler lever module, the main monitoring module is movably provided with the screen display module, the bottom of the main monitoring module is provided with the main stay bar module, the wheel set module is provided with the feeler lever module, and the feeler lever module is provided with the wheel set module. A wheel set module is arranged at the bottom of the main supporting rod module, the main supporting rod module is connected with the probe rod module through a folding assembly, and the probe rod module is connected with the main monitoring module through an air pipe. The pumping type portable laser leakage detector has a plurality of monitoring structural forms such as a feeler lever integrated type and a feeler lever separated type, can freely mount wheel type non-motorized / motorized equipment for mobile detection, has two air inlet channels and two operation modes, adopts a long-optical-path laser multi-reflection type as a main optical path, and has the advantages of being simple in structure, convenient to operate and the like. And the receiving and detecting module is used for performing constant data analysis and monitoring on the adsorbed methane gas, displaying the methane gas on a screen in real time and synchronously triggering buzzing alarm.

Description

Technical Field

[0001] The utility model relates to the technical field of laser gas detection, in particular to a pump-suction type portable laser leakage detector. Background Art

[0002] In the coal mining and natural gas industries, methane is the main flammable gas. When its concentration in the air exceeds a certain limit, it will explode immediately when it encounters an open flame. Such tragedies have happened many times. In order to avoid similar tragedies, real-time monitoring of methane gas concentration is required in the production sites of these industries.

[0003] At present, there are specific laser methane detection devices for the detection of methane, which can detect the methane content and provide people with relatively clear report information. However, the monitoring structure of the existing laser methane detection device generally has only one form, which is relatively simple and cannot meet production needs. For example, the laser methane detection device disclosed in the authorized patent with application number CN202120284865.0 or CN202020049757.0, and the main structure of the existing portable methane detection device is to fix the methane sensor on a long pole. Due to its fixed structure and the weight of the pole and the sensor, it is inconvenient for the operator to carry it, which has an adverse effect on the detection work; based on this, this application proposes a pump-suction portable laser leak detector. Utility Model Content

[0004] The utility model provides a pump-suction portable laser leak detector, which solves the problems of the laser methane detector proposed in the above background technology that the monitoring structure is single, which reduces its adaptability; the structure is fixed, and it is not convenient to carry and store.

[0005] The utility model provides the following technical solutions: a pump-suction portable laser leak detector, comprising a main monitoring module, a screen display module, a main support rod module, a wheel module and a probe rod module, wherein the main monitoring module is movably provided with a screen display module, the main monitoring module is provided with a main support rod module at the bottom, the main support rod module is provided with a wheel module at the bottom, the main support rod module and the probe rod module are connected by a folding assembly, and the probe rod assembly is connected to the main monitoring module by an air pipe;

[0006] The main monitoring module is divided into two parts, the left and right parts are connected by bolts, the left part includes a left shell, the inner cavity of the left shell is equipped with a sound and light alarm drive board, a power communication board, a DC pump, a switch assembly and an optical-mechanical assembly, and the air outlet of the DC pump is connected to the air inlet of the optical-mechanical assembly; the right part includes a right shell, the inner cavity of the right shell is equipped with a buzzer, a partition direct connector, a laser detection drive board and a three-way valve, and the air outlet of the three-way valve is connected to the air inlet of the DC pump through a partition direct connector; the bottom of the main monitoring module is equipped with a battery assembly;

[0007] The main support rod module includes a conversion joint and a push rod assembly, the push rod assembly includes a long push rod, a plug inserted into the inner cavity of the long push rod, a short push rod and a stainless steel pipe sleeved outside one end of the short push rod, the stainless steel pipe and the long push rod are respectively installed at both ends of the conversion joint, and the other end of the short push rod is connected to an air inlet end of the three-way valve;

[0008] The probe rod module includes a handheld probe rod, an air intake filter device connected to one end of the handheld probe rod, and an air pipe connected to the other end of the handheld probe rod, and the other end of the air pipe is connected to another air intake pipe of the three-way valve; the wheel group module includes a wheel seat assembly, and a hole adapted to the long push rod is provided in the middle of the wheel seat assembly, and another air intake filter device is fixed to the bottom of the hole.

[0009] As a further solution of the utility model, a fixing ear is installed on the outer surface of the main monitoring module, a shoulder strap is fixed on the outer surface of the main monitoring module, and a guide rib adapted to the battery assembly is provided on the bottom of the main monitoring module.

[0010] As a further solution of the utility model, one end of the folding assembly is sleeved on the long push rod, the other end of the handheld probe rod is inserted into the hole at the other end of the folding assembly, and the two ends of the folding assembly are in a movably connected state.

[0011] As a further solution of the utility model, the screen display module includes a display component and a screen display circuit, the display component is fixed to the screen display circuit, and the screen display circuit is movably connected to the outer surface of the main monitoring module.

[0012] As a further solution of the utility model, the screen display module synchronously uploads the detection data to the mobile terminal via Bluetooth technology.

[0013] As a further solution of the present invention, the battery assembly includes a main battery and a backup battery.

[0014] As a further solution of the utility model, the long push rod, the short push rod and the handheld probe rod are all made of carbon fiber.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. This pump-suction portable laser leak detector, through the application of laser technology, is light and compact, has two modes that can be switched freely, a folding touch screen display, and a large-capacity detachable power supply. It solves the problem of manual digital operations in daily inspections, supports Bluetooth and mobile terminal data synchronization, has a simple structure, beautiful appearance, complete functions, timely response, flexible control, and is light and easy to carry.

[0017] 2. This pump-suction portable laser leak detector uses lightweight materials, integrated design, compact overall space layout, and high integration. The total weight of the equipment is less than 3KG; it has two air intake channels and two operating modes. The main optical path uses long optical path laser multiple reflection. The receiving detection module performs constant data analysis and monitoring on the adsorbed methane gas, displays it in real time on the screen, and triggers a buzzer alarm simultaneously. Communication supports Bluetooth mode to interact with mobile terminals in real time.

[0018] 3. The pump-suction portable laser leak detector has a variety of monitoring structures, including integrated probe rod type and separated probe rod type, and can be freely mounted on wheeled non-motorized / motorized equipment for mobile detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the left side of the structure of the utility model;

[0021] Figure 3 The utility model structure Figure 2 Internal schematic diagram;

[0022] Figure 4 It is a schematic diagram of the explosion of the structure of the utility model.

[0023] In the figure: 1. Left shell; 2. Right shell; 3. Conversion joint; 4. Push rod assembly; 5. Wheel seat assembly; 6. Intake filter device; 7. Display assembly; 8. Shoulder strap; 9. Handheld probe rod; 10. Folding assembly; 11. Screen display circuit; 12. Power communication board; 13. Laser detection driver board; 14. Optical machine assembly; 15. Battery assembly; 16. Buzzer; 17. DC pump; 18. Sound and light alarm driver board; 19. Three-way valve; 20. Air pipe; 21. Long push rod; 22. Short push rod; 23. Stainless steel pipe; 24. Plug; 25. Switch assembly; 26. Fixing ear; 27. Partition direct connector. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] The utility model provides a pump-suction portable laser leak detector, comprising a main monitoring module, a screen display module, a main support rod module, a wheel module and a probe rod module, wherein the main monitoring module is movably provided with a screen display module, the main monitoring module is provided with a main support rod module at the bottom, the main support rod module is provided with a wheel module at the bottom, the main support rod module and the probe rod module are connected by a folding assembly 10, and the probe rod assembly is connected to the main monitoring module by an air pipe 20;

[0026] The main monitoring module is divided into two parts, which are connected by bolts. The left part includes a left shell 1, and the inner cavity of the left shell 1 is equipped with an audio-visual alarm driving board 18, a power communication board 12, a DC pump 17, a switch assembly 25 and an optical-mechanical assembly 14, and the air outlet end of the DC pump 17 is connected to the air inlet end of the optical-mechanical assembly 14; the right part includes a right shell 2, and the inner cavity of the right shell 2 is equipped with a buzzer 16, a partition direct connector 27, a laser detection driving board 13 and a three-way valve 19, and the air outlet end of the three-way valve 19 is connected to the air inlet end of the DC pump 17 through the partition direct connector 27.

[0027] The bottom of the main monitoring module is provided with guide ribs adapted to the battery assembly 15. By means of the guide ribs, the battery assembly 15 can be quickly removed from the main monitoring module, thereby improving the efficiency and speed of installing the battery assembly 15. The battery assembly 15 includes a main battery and a backup battery, thereby extending the continuous operating time of the laser leak detector.

[0028] The screen display module includes a display component 7 and a screen display circuit 11. The display component 7 is fixed to the screen display circuit 11. The screen display circuit 11 is movably connected to the outer surface of the main monitoring module, and the screen display module synchronously uploads the detection data to the mobile terminal through Bluetooth technology.

[0029] The main support rod module includes a conversion joint 3 and a push rod assembly 4. The push rod assembly 4 includes a long push rod 21, a plug 24 inserted into the inner cavity of the long push rod 21, a short push rod 22 and a stainless steel pipe 23 sleeved on one end of the short push rod 22. The stainless steel pipe 23 and the long push rod 21 are respectively installed at both ends of the conversion joint 3, and the other end of the short push rod 22 is connected to an air inlet end of the three-way valve 19.

[0030] The probe module includes a handheld probe 9, an air intake filter 6 connected to one end of the handheld probe 9, and an air pipe 20 connected to the other end of the handheld probe 9. The other end of the air pipe 20 is connected to another air intake pipe of the three-way valve 19.

[0031] In one embodiment of the present application, the handheld probe rod 9, the long push rod 21 and the short push rod 22 are all made of customized carbon fiber materials, and the left and right shells and the detection module are basically made of plastic, so that the detector has the performance of being light and beautiful.

[0032] It can be seen from the above description that when the DC pump 17 is in working state, the external gas can enter the inner cavity of the optical machine component 14 through the probe module or the main support rod module, and the laser integrated circuit of the laser detection driving board 13 simulates and analyzes the gas optical signal received by the optical machine component 14 and converts it, and then displays it on the display screen of the screen display module in digital form, and triggers the buzzer 16 at the same time, completing the system's early warning and alarm monitoring of the gas. That is, the detector has two-speed air intake channels and two operating modes, and through the switch component 25, the two operating modes can realize one-speed free switching.

[0033] One end of the folding assembly 10 is sleeved on the long push rod 21, and the other end of the handheld probe 9 is inserted into the hole at the other end of the folding assembly 10, and the two ends of the folding assembly 10 are in a state of active connection.

[0034] The wheel assembly module includes a wheel seat assembly 5, which is provided with double wheels. A hole adapted to the long push rod 21 is provided in the middle of the wheel seat assembly 5, and another air intake filter device 6 is fixed to the bottom of the hole. When the head of the long push rod 21 is inserted as a whole into the hole of the wheel seat assembly 5, the installation of the wheel seat assembly 5, the main support module and the main monitoring module can be realized.

[0035] The outer surface of the main monitoring module is provided with fixing ears 26, and the outer surface of the main monitoring module is fixed with a shoulder strap 8, so that the detector can realize shoulder strap operation.

[0036] The assembly sequence of the main monitoring module is as follows:

[0037] The first step is to install the sound and light alarm driving board 18, the power communication board 12, the DC pump 17, the switch assembly 25, the fixing ear 26 and the optical machine assembly 14 into the left housing 1 in sequence to complete the assembly of the left half;

[0038] In the second step, the buzzer 16, the partition direct connector 27, the laser detection drive board 13 and the three-way valve 19 are sequentially installed into the right housing 2 to complete the assembly of the right half, and the air inlet end of the DC pump 17 is fixed to the air outlet end of the three-way valve 19, and the air outlet end of the DC pump 17 is fixed to the air inlet end of the optical machine assembly 14;

[0039] The third step is to close the left and right halves together along the joint surface and fix them with screws;

[0040] Step 4: Push the battery assembly 15 along the guide ribs into the bottom of the closed part (the combination of the left and right shells) to complete the assembly of the power module;

[0041] In the fifth step, after combining the display assembly 7 and the screen display circuit 11, they are positioned and installed into the top of the closing part (the combination of the left and right shells) with screws to complete the assembly of the screen display module.

[0042] The assembly sequence of the screen display module is: combine the display component 7 and the screen display circuit 11 according to the installation holes to complete the assembly of the touch screen, circuit and hinge.

[0043] The assembly sequence of the main strut module is: first insert the plug 24 into the long push rod 21, and insert the short push rod 22 into the stainless steel tube 23; then install the long push rod 21 and the stainless steel tube 23 at the two ends of the conversion joint 3 respectively, lock the fixing nut of the conversion joint 3, and connect the two parts into one; the folding assembly 10 is inserted into the long push rod to prepare for the assembly of the wheel module and the probe module.

[0044] The assembly sequence of the wheel module is: assemble the double wheels of the wheel seat assembly 5 and the air intake filter device 6 in sequence.

[0045] The assembly sequence of the probe module is: install the air pipe 20 into the tail end of the handheld probe 9, and then insert the handheld probe 9 from the head into the middle hole of the retracting component 10;

[0046] Final assembly: After the main monitoring module, display module, main support rod module and probe rod module are assembled, the top end of the main support rod module and the air pipe 20 are respectively inserted into the air inlet channel of the three-way valve and fixed, and the head of the self-long push rod 21 is inserted as a whole into the hole of the wheel seat assembly 5 and laterally locked to complete the final assembly.

[0047] From the above description, it can be known that the pump-suction portable laser leak detector has a variety of monitoring structure types when in use: integrated probe rod type and separated probe rod type; the integrated probe rod type can realize ground-push operation by switching gears, and the separated probe rod type can realize shoulder-strap operation by switching gears to separate the detection module from the probe rod; it can freely mount wheeled non-motorized / motorized equipment for mobile detection; it supports folding screen and flip-up display screen design, which is light in size and beautiful in appearance; it supports disassembly, the detection module and the push wheel module can be integrated or detachable, the length and volume can be freely switched, and it is easy to carry; it supports the disassembly of the filter and dustproof device, and the dustproof module adopts the standard quick-connect type, which is easy to clean and maintain; it supports main and backup batteries, The disassembly push-type design makes the installation efficient and quick, and the continuous operation time is greatly extended; the integrated design has a compact overall spatial layout and a high degree of integration. The support tube and probe rod are made of customized carbon fiber materials, and the shell and detection module are basically made of plastic. The total weight of the equipment is less than 3KG, which is light, beautiful and easy to carry; the overall power consumption is as small as possible (the laser module consumes 12V, and the pump consumes 5V3W); the response sensitivity is high, and since the internal volume of the optical machine cavity is less than 0.3L, the redundant collection time is greatly reduced; Bluetooth technology is used as a data exchange channel, and the device screen displays the methane gas concentration of the monitoring point in real time, and simultaneously uploads the monitoring data to the mobile terminal via Bluetooth.

[0048] To sum up, when the pump-suction portable laser leak detector performs ground-push operation, the handheld probe rod 9 is in a folded state, and the detector uses the air intake channel at the bottom of the push wheel to take in air, and the staff can push the detector to operate; when the handheld probe rod 9 is separated from the folding component 10, the staff can move the detector with the handheld probe rod on their back, and the staff can automatically move the handheld probe rod 9. The detection adopts manual detection operation with the probe rod softly connected to the air intake channel, and the main optical path adopts long optical path laser multiple reflection type. The receiving detection module performs constant data analysis and monitoring on the adsorbed methane gas, and displays it in real time on the screen, and simultaneously triggers a buzzer alarm.

[0049] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pump-suction portable laser leak detector, comprising a main monitoring module, a screen display module, a main support rod module, a wheel module and a probe rod module, characterized in that: The main monitoring module is movably provided with a screen display module, the main monitoring module is provided with a main support rod module at the bottom, the main support rod module is provided with a wheel module at the bottom, the main support rod module and the probe rod module are connected via a folding assembly (10), and the probe rod assembly is connected to the main monitoring module via an air pipe (20); The main monitoring module is divided into two parts, the left and right parts are connected by bolts, the left part includes a left shell (1), the inner cavity of the left shell (1) is equipped with a sound and light alarm drive board (18), a power communication board (12), a DC pump (17), a switch assembly (25) and an optical machine assembly (14), and the air outlet end of the DC pump (17) is connected to the air inlet end of the optical machine assembly (14); the right part includes a right shell (2), the inner cavity of the right shell (2) is equipped with a buzzer (16), a partition direct connector (27), a laser detection drive board (13) and a three-way valve (19), and the air outlet end of the three-way valve (19) is connected to the air inlet end of the DC pump (17) through the partition direct connector (27); the bottom of the main monitoring module is equipped with a battery assembly (15); The main support rod module comprises a conversion joint (3) and a push rod assembly (4), wherein the push rod assembly (4) comprises a long push rod (21), a plug (24) inserted into the inner cavity of the long push rod (21), a short push rod (22) and a stainless steel pipe (23) sleeved on one end of the short push rod (22), wherein the stainless steel pipe (23) and the long push rod (21) are respectively installed at two ends of the conversion joint (3), and the other end of the short push rod (22) is connected to an air inlet end of a three-way valve (19); The probe rod module comprises a handheld probe rod (9), an air intake filter device (6) connected to one end of the handheld probe rod (9), and an air pipe (20) connected to the other end of the handheld probe rod (9), and the other end of the air pipe (20) is connected to another air intake pipe of the three-way valve (19); the wheel assembly module comprises a wheel seat assembly (5), and a hole adapted to the long push rod (21) is provided in the middle of the wheel seat assembly (5), and another air intake filter device is fixed at the bottom of the hole.

2. A pump-suction portable laser leak detector according to claim 1, characterized in that: The outer surface of the main monitoring module is provided with a fixing ear (26), the outer surface of the main monitoring module is fixed with a shoulder strap (8), and the bottom of the main monitoring module is provided with a guide rib adapted to the battery assembly (15).

3. A pump-suction portable laser leak detector according to claim 1, characterized in that: One end of the folding component (10) is sleeved on the long push rod (21), and the other end of the handheld probe (9) is inserted into the hole at the other end of the folding component (10), and the two ends of the folding component (10) are in a movably connected state.

4. A pump-suction portable laser leak detector according to claim 1, characterized in that: The screen display module comprises a display component (7) and a screen display circuit (11); the display component (7) and the screen display circuit (11) are fixed; and the screen display circuit (11) is movably connected to the outer surface of the main monitoring module.

5. The pump-suction portable laser leak detector according to claim 1, characterized in that: The screen display module synchronously uploads the detection data to the mobile terminal via Bluetooth technology.

6. A pump-suction portable laser leak detector according to claim 1, characterized in that: The battery assembly (15) comprises a main battery and a backup battery.

7. A pump-suction portable laser leak detector according to claim 1, characterized in that: The long push rod (21), the short push rod (22) and the handheld probe (9) are all made of carbon fiber.

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