Four-wire system combustible gas detector

Abstract

The utility model relates to the technical field of combustible gas detectors, in particular to a four-wire system combustible gas detector, which improves the effect of simultaneous detection in different directions, improves the detection efficiency, widens the detection range, improves the detection convenience of combustible gas in a well or a pipeline, and improves the detection safety. Comprising a remote control vehicle body and an instrument body, the box body is installed at the top end of the remote control vehicle body in an up-down moving mode through the lifting device, the multiple sets of air inlet pipes are arranged on the outer side wall of the box body in a circumferential communicating mode, and the first inductive head is installed on the inner side wall of the box body; the second inductive head is installed on the remote control vehicle body through a suspension device, the suspension device is used for driving the second inductive head to ascend and descend, the first inductive head and the second inductive head are both communicated with the instrument body, an exhaust port is formed in the top end of the box body, and the fan is installed at the exhaust port of the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of combustible gas detectors, in particular to a four-wire combustible gas detector. Background Art

[0002] In the fields of industrial production, petrochemicals, gas supply, etc., real-time monitoring and early warning of combustible gas concentration are crucial. As an important safety equipment, combustible gas detectors can detect combustible gas leaks in time, thereby avoiding dangerous accidents such as fire and explosion.

[0003] As in the patent with the prior art authorization announcement number CN213068772U, the utility model belongs to the technical field of combustible gas detectors, and in particular, a combustible gas detector, comprising a shell, a fixing plate is fixedly installed on the bottom inner wall of the shell, a rotating hole is opened on one side of the fixing plate, and screw guide sleeves are rotatably installed in the two rotating holes, and the thread directions of the two screw guide sleeves are oppositely arranged, screws are threadedly sleeved on the two screw guide sleeves, and gears are fixedly sleeved on the two screw guide sleeves, and the same movable plate is fixedly installed on one end of the two screws, and two racks are slidably installed on the top of the shell, and the two racks are respectively meshed with corresponding gears, and a handle is fixedly installed on the side of the two racks away from each other.

[0004] However, during the use of the detector, it was found that the detector needs to be held by personnel for on-site measurement and operation, which increases the risk of personnel detection, and the detector is not convenient for detection underground, which increases the limitations of its use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a four-wire combustible gas detector which improves the effect of simultaneous detection in different directions, improves detection efficiency, increases detection range, improves the convenience of combustible gas detection underground or in pipelines, and improves detection safety.

[0006] The utility model discloses a four-wire combustible gas detector, comprising a remote control vehicle body and an instrument body, wherein the instrument body is mounted on the remote control vehicle body; further comprising a lifting device, a hanging device, a box body, an air intake pipe, a first induction head, a second induction head and a fan, wherein the box body is moved up and down by the lifting device and is mounted on the top of the remote control vehicle body, a plurality of air intake pipes are circumferentially connected and arranged on the outer side wall of the box body, the first induction head is mounted on the inner side wall of the box body, the second induction head is mounted on the remote control vehicle body through the hanging device, the hanging device is used to drive the second induction head to move up and down, and the first induction head and the second induction head are both connected to the instrument body, an exhaust port is arranged on the top of the box body, and the fan is mounted at the exhaust port of the box body; personnel can control the remote control vehicle body by touching the remote control vehicle body to the air intake pipe; The movement of the remote-controlled vehicle is controlled so that the remote-controlled vehicle drives the first sensor head and the second sensor head to move to the area that needs to be detected. When it is necessary to detect the surrounding combustible gas, the fan is turned on to inhale air into the box, so that the box draws the surrounding air through multiple sets of air intake pipes. The drawn air flows through the inside of the box, so that the first sensor head detects the flowing air, thereby improving the effect of the detector on simultaneous detection in different directions and improving the detection efficiency. The box is driven to move up and down through the lifting device to increase the detection range. The second sensor head is tied into the well through the suspension device, thereby improving the convenience of the detector in detecting combustible gas underground or in the pipeline, avoiding on-site operation by personnel, and improving the safety of detection.

[0007] Preferably, the suspension device includes a support device, a first bracket, a wire drum, an electromagnetic slip ring, a wire, a first electric cylinder, a guide wheel and a first motor, the first bracket is mounted on the top of the remote control vehicle body, the wire drum is rotatably mounted on the inner side wall of the first bracket, the electromagnetic slip ring is mounted on the inner side wall of the first bracket, and the rotating end of the electromagnetic slip ring is connected to the wire drum, the fixed end of the electromagnetic slip ring is connected to the instrument body, the wire is wound on the outer side wall of the wire drum, and the wire is connected to the wire drum, the second induction head is connected and arranged at the end of the wire, the first electric cylinder is mounted on the remote control vehicle body through the support device, the support device is used to drive the first electric cylinder to swing and rotate, the guide wheel is mounted on the moving end of the first electric cylinder, the wire passes between the guide wheels, the first motor is mounted on the outer side wall of the first bracket, and the output end of the first motor is connected to the wire drum; by controlling the telescopic length of the moving end of the first electric cylinder, the first electric cylinder drives the second induction head to move to the top of the wellhead through the wire, and then the wire drum is driven by the first motor to rotate and unwind, so that the wire ties the second induction head into the well, thereby improving the convenience of the detector for detecting combustible gas underground and reducing usage limitations.

[0008] Preferably, the lifting device comprises a second bracket, a telescopic rod and a second electric cylinder, the second bracket is installed on the top of the remote-controlled vehicle body, the telescopic rod and the second electric cylinder are both installed on the second bracket, and the movable ends of the telescopic rod and the second electric cylinder are both connected to the bottom of the box body; by controlling the telescopic length of the movable end of the second electric cylinder, the second electric cylinder drives the box body to move up and down, thereby improving the convenience of the detector in detecting combustible gases at different heights.

[0009] Preferably, the supporting device includes a third bracket and a second motor, the third bracket is installed on the top of the remote-controlled vehicle body, the fixed end of the first electric cylinder is rotatably installed on the third bracket, the second motor is installed on the outer wall of the third bracket, and the output end of the second motor is connected to the first electric cylinder; the first electric cylinder is driven to swing and rotate by the second motor, so that the first electric cylinder drives the guide wheel to move and adjust, thereby improving the flexibility of the movement and adjustment of the second sensor head.

[0010] Preferably, it also includes a solar panel and a third electric cylinder, the solar panel is rotatably mounted on the outer side wall of the remote-controlled vehicle body, the fixed end of the third electric cylinder is rotatably mounted on the outer side wall of the remote-controlled vehicle body, and the movable end of the third electric cylinder is rotatably connected to the outer side wall of the solar panel; by setting the solar panel, the convenience of charging the remote-controlled vehicle body using solar energy is improved, and the endurance of the detector is improved; by setting the third electric cylinder, the convenience of automatic storage of the solar panel is improved.

[0011] Preferably, it also includes a camera, which is installed on the top of the remote control vehicle body; by providing the camera, the convenience of remote control operation of the detector by personnel is improved.

[0012] Preferably, it also includes multiple groups of filter screens, which are respectively connected and arranged at multiple groups of air inlet pipe openings to improve the filtering effect of air entering the box body and reduce dust pollution to the first sensor head.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: personnel control the movement of the remote-controlled vehicle to drive the first sensing head and the second sensing head to move to the area that needs to be detected. When it is necessary to detect the surrounding combustible gas, the fan is turned on to inhale air into the box, so that the box draws the surrounding air through multiple groups of air intake pipes, and the drawn air flows through the inside of the box, so that the first sensing head detects the flowing air, thereby improving the effect of the detector on simultaneous detection in different directions and improving the detection efficiency. The box is driven to rise and fall by the lifting device to increase the detection range, and the second sensing head is tied into the well by the suspension device, thereby improving the convenience of the detector in detecting combustible gas underground or in the pipeline, avoiding on-site operation by personnel, and improving the safety of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric partial structure of the connection between the box body and the intake pipe, etc.;

[0016] Figure 3 It is a schematic diagram of the axonometric structure of the connection between the remote control vehicle body and the camera, etc.;

[0017] Figure 4It is a schematic diagram of the axonometric partial structure of the connection between the first electric cylinder and the guide wheel, etc.;

[0018] Figure 5 It is an axonometric structural diagram of the connection between the wire reel and the wires.

[0019] Markings in the attached figure: 1. remote control vehicle body; 2. box body; 3. air intake pipe; 4. first sensor head; 5. second sensor head; 6. instrument body; 7. first bracket; 8. wire reel; 9. electromagnetic slip ring; 10. wire; 11. first electric cylinder; 12. guide wheel; 13. first motor; 14. second bracket; 15. telescopic rod; 16. second electric cylinder; 17. third bracket; 18. second motor; 19. solar panel; 20. third electric cylinder; 21. fan; 22. camera; 23. filter. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, a four-wire combustible gas detector of the utility model includes a remote control vehicle body 1 and an instrument body 6, and the instrument body 6 is installed on the remote control vehicle body 1; it also includes a lifting device, a suspension device, a box body 2, an air intake pipe 3, a first sensor head 4, a second sensor head 5 and a fan 21. The box body 2 is moved up and down by the lifting device and is installed on the top of the remote control vehicle body 1. Multiple groups of air intake pipes 3 are circumferentially connected and arranged on the outer side wall of the box body 2. The first sensor head 4 is installed on the inner side wall of the box body 2. The second sensor head 5 is installed on the remote control vehicle body 1 through the suspension device. The suspension device is used to drive the second sensor head 5 to move up and down, and the first sensor head 4 and the second sensor head 5 are both connected to the instrument body 6. An exhaust port is provided at the top of the box body 2, and the fan 21 is installed at the exhaust port of the box body 2;

[0023] like Figure 4As shown, the suspension device includes a supporting device, a first bracket 7, a wire drum 8, an electromagnetic slip ring 9, a wire 10, a first electric cylinder 11, a guide wheel 12 and a first motor 13. The first bracket 7 is mounted on the top of the remote control vehicle body 1. The wire drum 8 is rotatably mounted on the inner side wall of the first bracket 7. The electromagnetic slip ring 9 is mounted on the inner side wall of the first bracket 7, and the rotating end of the electromagnetic slip ring 9 is connected to the wire drum 8. The fixed end of the electromagnetic slip ring 9 is connected to the instrument body 6. The wire 10 is wound on the outer side wall of the wire drum 8, and the wire 10 is connected to the wire drum 8. The second induction head 5 is connected and arranged at the end of the wire 10. The first electric cylinder 11 is mounted on the remote control vehicle body 1 through the supporting device, and the supporting device is used to drive the first electric cylinder 11 to swing and rotate. The guide wheel 12 is mounted on the moving end of the first electric cylinder 11. The wire 10 passes between the guide wheels 12. The first motor 13 is mounted on the outer side wall of the first bracket 7, and the output end of the first motor 13 is connected to the wire drum 8.

[0024] In this embodiment, personnel control the movement of the remote control vehicle 1 so that the remote control vehicle 1 drives the first sensor head 4 and the second sensor head 5 to move to the area that needs to be detected. When it is necessary to detect the surrounding combustible gas, the fan 21 is turned on to suck air into the box 2, so that the box 2 draws the surrounding air through multiple groups of air intake pipes 3. The drawn air flows through the inside of the box 2, so that the first sensor head 4 detects the flowing air, thereby improving the effect of the detector on simultaneous detection in different directions and improving the detection efficiency. The box 2 is driven to move up and down by the lifting device to increase the detection range, and the second sensor head 5 is tied into the well by the suspension device, thereby improving the convenience of the detector in detecting combustible gases underground or in the pipeline, avoiding on-site operation by personnel, and improving the safety of detection.

[0025] Example 2

[0026] On the basis of Example 1, Figure 1 As shown, a four-wire combustible gas detector of the utility model comprises a second bracket 14, a telescopic rod 15 and a second electric cylinder 16 of the lifting device, wherein the second bracket 14 is mounted on the top of the remote control vehicle body 1, the telescopic rod 15 and the second electric cylinder 16 are both mounted on the second bracket 14, and the moving ends of the telescopic rod 15 and the second electric cylinder 16 are both connected to the bottom end of the box body 2;

[0027] like Figure 3 As shown, the supporting device includes a third bracket 17 and a second motor 18, the third bracket 17 is mounted on the top of the remote control vehicle body 1, the fixed end of the first electric cylinder 11 is rotatably mounted on the third bracket 17, the second motor 18 is mounted on the outer side wall of the third bracket 17, and the output end of the second motor 18 is connected to the first electric cylinder 11;

[0028] like Figure 3As shown, it also includes a solar panel 19 and a third electric cylinder 20. The solar panel 19 is rotatably mounted on the outer side wall of the remote control vehicle body 1. The fixed end of the third electric cylinder 20 is rotatably mounted on the outer side wall of the remote control vehicle body 1. The movable end of the third electric cylinder 20 is rotatably connected to the outer side wall of the solar panel 19.

[0029] like Figure 3 As shown, it also includes a camera 22, which is installed on the top of the remote control vehicle body 1;

[0030] like Figure 3 As shown, it also includes multiple groups of filter screens 23, and the multiple groups of filter screens 23 are respectively connected and arranged at the openings of the multiple groups of air intake pipes 3;

[0031] In this embodiment, by controlling the telescopic length of the moving end of the first electric cylinder 11, the first electric cylinder 11 drives the second sensing head 5 to move to the top of the wellhead through the electric wire 10, and then the first motor 13 drives the electric wire reel 8 to rotate and unwind, so that the electric wire 10 ties the second sensing head 5 into the well, thereby improving the convenience of the detector for detecting combustible gases underground and reducing usage limitations. By controlling the telescopic length of the moving end of the second electric cylinder 16, the second electric cylinder 16 drives the box 2 to move up and down, thereby improving the convenience of the detector for detecting combustible gases at different heights.

[0032] The utility model discloses a four-wire combustible gas detector. When it is working, a person controls the movement of a remote control vehicle 1 so that the remote control vehicle 1 drives a first sensing head 4 and a second sensing head 5 to move to an area that needs to be detected. When it is necessary to detect the surrounding combustible gas, the fan 21 is turned on to inhale air inside a box body 2, so that the box body 2 draws the surrounding air through multiple groups of air intake pipes 3. The drawn air flows through the inside of the box body 2, so that the first sensing head 4 detects the flowing air. The box body 2 is driven to move up and down by a lifting device to increase the detection range. The second sensing head 5 is tied into the well by a suspension device, so that the detector detects the combustible gas underground or in the pipeline.

[0033] The utility model is a four-wire combustible gas detector of which the remote control vehicle body 1, the first induction head 4, the second induction head 5, the instrument body 6, the wire drum 8, the electromagnetic slip ring 9, the first electric cylinder 11, the first motor 13, the second electric cylinder 16, the second motor 18, the solar panel 19, the third electric cylinder 20, the fan 21 and the camera 22 are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A four-wire combustible gas detector, comprising a remote control vehicle (1) and an instrument body (6), wherein the instrument body (6) is mounted on the remote control vehicle (1); characterized in that: The invention also comprises a lifting device, a suspension device, a box (2), an air intake pipe (3), a first induction head (4), a second induction head (5) and a fan (21); the box (2) is installed on the top of the remote control vehicle (1) by means of the lifting device so as to be moved up and down; a plurality of air intake pipes (3) are arranged on the outer wall of the box (2) in a circumferentially connected manner; the first induction head (4) is installed on the inner wall of the box (2); the second induction head (5) is installed on the remote control vehicle (1) by means of the suspension device; the suspension device is used to drive the second induction head (5) to move up and down; the first induction head (4) and the second induction head (5) are both connected to the instrument body (6); an exhaust port is arranged on the top of the box (2); and the fan (21) is installed at the exhaust port of the box (2).

2. A four-wire combustible gas detector as claimed in claim 1, characterized in that: The suspension device comprises a supporting device, a first bracket (7), a wire drum (8), an electromagnetic slip ring (9), a wire (10), a first electric cylinder (11), a guide wheel (12) and a first motor (13); the first bracket (7) is mounted on the top of the remote control vehicle body (1); the wire drum (8) is rotatably mounted on the inner side wall of the first bracket (7); the electromagnetic slip ring (9) is mounted on the inner side wall of the first bracket (7); the rotating end of the electromagnetic slip ring (9) is connected to the wire drum (8); the fixed end of the electromagnetic slip ring (9) is connected to the instrument body (6); the wire (10) is wound around the wire drum (8); The electric wire (10) is wound on the outer wall of the electric wire reel (8), and the electric wire (10) is connected to the electric wire reel (8). The second induction head (5) is connected and arranged at the end of the electric wire (10). The first electric cylinder (11) is installed on the remote control vehicle body (1) through a supporting device, and the supporting device is used to drive the first electric cylinder (11) to swing and rotate. The guide wheel (12) is installed on the moving end of the first electric cylinder (11). The electric wire (10) passes between the guide wheels (12). The first motor (13) is installed on the outer wall of the first bracket (7), and the output end of the first motor (13) is connected to the electric wire reel (8).

3. A four-wire combustible gas detector as claimed in claim 1, characterized in that: The lifting device comprises a second bracket (14), a telescopic rod (15) and a second electric cylinder (16); the second bracket (14) is mounted on the top of the remote-controlled vehicle body (1); the telescopic rod (15) and the second electric cylinder (16) are both mounted on the second bracket (14); and the movable ends of the telescopic rod (15) and the second electric cylinder (16) are both connected to the bottom end of the box body (2).

4. A four-wire combustible gas detector as claimed in claim 2, characterized in that: The supporting device comprises a third bracket (17) and a second motor (18); the third bracket (17) is mounted on the top of the remote-controlled vehicle body (1); the fixed end of the first electric cylinder (11) is rotatably mounted on the third bracket (17); the second motor (18) is mounted on the outer side wall of the third bracket (17); and the output end of the second motor (18) is connected to the first electric cylinder (11).

5. A four-wire combustible gas detector as claimed in claim 1, characterized in that: It also includes a solar panel (19) and a third electric cylinder (20), wherein the solar panel (19) is rotatably mounted on the outer wall of the remote-controlled vehicle body (1), the fixed end of the third electric cylinder (20) is rotatably mounted on the outer wall of the remote-controlled vehicle body (1), and the movable end of the third electric cylinder (20) is rotatably connected to the outer wall of the solar panel (19).

6. A four-wire combustible gas detector as claimed in claim 1, characterized in that: It also includes a camera (22), which is installed on the top of the remote control vehicle body (1).

7. A four-wire combustible gas detector as claimed in claim 1, characterized in that: It also includes a plurality of groups of filter screens (23), and the plurality of groups of filter screens (23) are respectively connected and arranged at the openings of the plurality of groups of air inlet pipes (3).

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