Portable hydrogen detection device

Abstract

The utility model discloses a portable hydrogen detection device which comprises a detection device main body, a controller arranged in the detection device main body, an inductive head arranged at the top end of the detection device main body, a protection mechanism arranged on the outer side of the inductive head, and a hydrogen sensor arranged in the inductive head and electrically connected with the controller. The bottom end of the detection device body is provided with a connecting mechanism, the detection device is convenient to carry through mutual cooperation of the mechanisms, the connecting mechanism is arranged, the first suspension rope belt is pulled out, the protection mechanism is arranged, the protection cover is arranged, when the induction head is not used, the induction head can be protected, and the detection device is convenient to carry. The inductive head is prevented from being damaged, and the service life of the inductive head is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen detection, in particular to a portable hydrogen detection device. Background Art

[0002] At normal temperature and pressure, hydrogen is a highly flammable, colorless, transparent, odorless and tasteless gas. Hydrogen leakage often occurs during the use of hydrogen. Once hydrogen leaks encounter an open flame, it will explode, which is very dangerous. Therefore, a hydrogen detection device is needed to detect the air in the storage room to determine whether there is a hydrogen leak.

[0003] During use, existing hydrogen detection devices usually detect hydrogen through handheld hydrogen detection devices, which are inconvenient to carry and affect the work efficiency of detection personnel. In addition, during the detection process, hydrogen is usually detected directly through the sensor on the sensing head. The sensing head is usually directly exposed to the air and is easily contaminated with dust when not in use, which affects the accuracy of the detection data. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a portable hydrogen detection device to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A portable hydrogen detection device comprises a detection device body, a controller is arranged inside the detection device body, a sensing head is arranged at the top of the detection device body, a protection mechanism is arranged above the sensing head, a hydrogen sensor is arranged inside the sensing head, the hydrogen sensor is electrically connected to the controller, and a connecting mechanism is arranged at the bottom of the detection device body.

[0007] Furthermore, in order to facilitate carrying of the hydrogen detection device, the connecting mechanism includes a first opening arranged at the bottom end of the detection device body, a rotating shaft is arranged inside the first opening, a bottom cover is arranged above the first opening, one end of the rotating shaft passes through the bottom cover and is connected to the gear plate, a first suspension rope is arranged on the rotating shaft, the first suspension rope passes through the detection device body and is connected to the connecting block, one side of the connecting block is connected to the second suspension rope, the second suspension rope is connected to the fixed pile, and the fixed pile is connected to the detection device body.

[0008] Furthermore, a first groove is provided on one side of the detection device body, the first groove matches the connecting block, a second groove is provided on one side of the first groove, the second groove matches the second suspension rope, and a fixing mechanism is provided inside the connecting block.

[0009] Furthermore, in order to be able to fix the first suspension rope when it is not in use, the fixing mechanism includes a second opening arranged inside the connecting block, the number of the second openings is two, a telescopic spring is arranged inside the second opening, one end of the telescopic spring is connected to the connecting block, and the other end of the telescopic spring is connected to the moving block, the moving block is connected to the clamping block, a clamping slot is arranged inside the main body of the detection device, the clamping block matches the clamping slot, a pull plate is arranged on one side of the moving block, and one end of the pull plate passes through the connecting block and is placed outside the connecting block.

[0010] Furthermore, in order to limit the position of the gear plate and thereby adjust the extension length of the first suspension rope, bolts are provided on the outer side of the gear plate, and threaded holes are provided on the bottom cover, and the bolts match the threaded holes.

[0011] Furthermore, in order to protect the sensing head when the detection device is not in use and prevent the sensing head from being damaged, the protection mechanism includes a protective cover arranged above the sensing head, a connecting plate is provided on one side of the protective cover, a fixing seat is provided on the outside of the detection device body, the connecting plate and the fixing seat are hinged, a first fixing block is provided on the other side of the protective cover, a buckle is provided under the first fixing block, a second fixing block is provided on the outside of the detection device body, the second fixing block is connected to the elastic plate, a clamping plate is provided above the elastic plate, and the clamping plate matches the clamping plate.

[0012] Furthermore, a display screen is provided on the main body of the detection device, the display screen is electrically connected to the controller, and a switch is provided below the display screen.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting a connecting mechanism and a fixing mechanism, when the first hanging rope is not needed, the first hanging rope and the second hanging rope can be fixed by placing the clamping block on the connecting block in the clamping groove on the main body of the detection device, and the first hanging rope can be extended by rotating the gear plate, so that the user can hang it on the shoulder or neck, and the detection device can be carried conveniently, and the rotating shaft can be stopped from rotating by connecting through bolts and threaded holes, so as to facilitate the adjustment of the length of the first hanging rope according to the needs of the user;

[0015] 2. By setting up a protective mechanism and a protective cover, the sensor head can be protected when not in use to prevent the sensor head from being damaged and extend the service life of the sensor head. By setting a buckle and a card plate and pressing the elastic plate to keep the card plate away from the buckle, the protective cover can be opened conveniently to facilitate the detection of hydrogen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a front view of a portable hydrogen detection device according to an embodiment of the utility model;

[0018] Figure 2 It is a side view of a portable hydrogen detection device according to an embodiment of the utility model;

[0019] Figure 3 This is a diagram showing the internal structure of a portable hydrogen detection device according to an embodiment of the utility model;

[0020] Figure 4 It is a structural diagram of a fixing mechanism of a portable hydrogen detection device according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Detection device body; 2. Controller; 3. Sensor head; 4. Protection mechanism; 401. Protection cover; 402. Connecting plate; 403. Fixing seat; 404. First fixing block; 405. Buckle; 406. Second fixing block; 407. Elastic plate; 408. Card plate; 5. Hydrogen sensor; 6. Connecting mechanism; 601. First opening; 602. Rotating shaft; 603. Bottom cover; 604. Gear plate; 605. First suspension rope; 606. Connecting block; 607. Second suspension rope; 608. Fixing pile; 7. First groove; 8. Second groove; 9. Fixing mechanism; 901. Second opening; 902. Telescopic spring; 903. Moving block; 904. Card block; 905. Card slot; 906. Pull plate; 10. Bolt; 11. Threaded hole; 12. Display screen; 13. Switch. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] See also Figure 1-Figure 4The present application proposes a portable hydrogen detection device, including a detection device body 1, a controller 2 is arranged inside the detection device body 1, a sensing head 3 is arranged at the top of the detection device body 1, a protective mechanism 4 is arranged outside the sensing head 3, a hydrogen sensor 5 is arranged inside the sensing head 3, and the hydrogen sensor 5 is electrically connected to the controller 2, and a connecting mechanism 6 is arranged at the bottom end of the detection device body 1, and the connecting mechanism 6 includes a first opening 601 arranged at the bottom end of the detection device body 1, a rotating shaft 602 is arranged inside the first opening 601, a bottom cover 603 is arranged above the first opening 601, one end of the rotating shaft 602 passes through the bottom cover 603 and is connected to a gear plate 604, a first hanging rope 605 is arranged on the rotating shaft 602, the first hanging rope 605 passes through the detection device body 1 and is connected to a connecting block 606, one side of the connecting block 606 is connected to a second hanging rope 607, the second hanging rope 607 is connected to a fixing pile 608, and the fixing pile 608 is connected to the detection device body 1, A first groove 7 is provided on one side of the detection device body 1, and the first groove 7 matches the connecting block 606. A second groove 8 is provided on one side of the first groove 7, and the second groove 8 matches the second suspension rope 607. A fixing mechanism 9 is provided inside the connecting block 606, and the fixing mechanism 9 includes a second opening 901 provided inside the connecting block 606. The number of the second openings 901 is two. A telescopic spring 902 is provided inside the second opening 901, and one end of the telescopic spring 902 is connected to the connecting block 606, and the other end of the telescopic spring 902 is connected to the moving block 903, and the moving block 903 is connected to the clamping block 904. A clamping groove 905 is provided inside the detection device body 1, and the clamping block 904 matches the clamping groove 905. A pull plate 906 is provided on one side of the moving block 903, and one end of the pull plate 906 passes through the connecting block 606 and is placed on the outside of the connecting block 606. A bolt 10 is provided on the outside of the gear plate 604, and a threaded hole 11 is provided on the bottom cover 603, and the bolt 10 matches the threaded hole 11. Through the above scheme, by setting the connecting mechanism 6 and the fixing mechanism 9, when the first suspension rope 605 is not needed, the first suspension rope 605 and the second suspension rope 607 can be fixed by placing the block 904 on the connecting block 606 in the slot 905 on the detection device body 1, and then by pulling the pull plate 906, the movable plate and the telescopic spring 902 are driven to move, thereby driving the block 904 to move, so that the block 904 is away from the slot 905, which is convenient for lengthening the first suspension rope 605, convenient for the user to hang it on the shoulder or neck, and convenient for carrying the detection device, and by setting the gear plate 604, it is convenient to connect through the bolt 10 and the threaded hole 11, and fix the position of the gear plate 604, so that the rotating shaft 602 can stop rotating, so as to facilitate the length of the first suspension rope 605 to be adjusted according to the needs of the user and then fix the length of the first suspension rope 605.

[0025] See also Figure 1-Figure 3The protection mechanism 4 includes a protection cover 401 arranged above the sensing head 3, a connecting plate 402 is provided on one side of the protection cover 401, a fixing seat 403 is provided on the outer side of the detection device body 1, the connecting plate 402 is hinged to the fixing seat 403, a first fixing block 404 is provided on the other side of the protection cover 401, a buckle 405 is provided below the first fixing block 404, a second fixing block 406 is provided on the outer side of the detection device body 1, the second fixing block 406 is connected to the elastic plate 407, a card plate 408 is provided above the elastic plate 407, the card plate 408 matches the buckle 405, a display screen 12 is provided on the detection device body 1, the display screen 12 is electrically connected to the controller 2, a switch 13 is provided below the display screen 12, and the switch 13 can control the detection device to be turned on. Through the above scheme, by setting the protective cover 401, the sensor head 3 can be protected when the sensor head 3 is not in use, preventing the sensor head 3 from being damaged, thereby extending the service life of the sensor head 3. By setting the buckle 405 and the clamping plate 408, the elastic plate 407 is pressed to make the clamping plate 408 away from the buckle 405, and then the connecting plate 402 is rotated around the fixing seat 403, so that the protective cover 401 can be opened conveniently, so that the sensor head 3 is exposed to the outside, thereby facilitating the detection of hydrogen.

[0026] Working principle: When it is necessary to use the hydrogen detection device to detect hydrogen, by pressing the elastic plate 407, the card plate 408 is moved away from the buckle 405, and then the connecting plate 402 is rotated around the fixing seat 403, the protective cover 401 is conveniently opened, so that the sensing head 3 is exposed to the outside, and the hydrogen sensor 5 is used to detect hydrogen by turning on the switch 13, and the display screen 12 is displayed. When it is necessary to detect hydrogen at other positions, the pull plate 906 is pulled to drive the movable plate and the telescopic spring 902 to move, so that the card block 904 can be driven to move, so that the card block 904 is away from the card slot 905, and the connecting block 606 is separated from the first groove 7, so as to facilitate the extension of the first suspension rope 605, so that the user can hang it on the shoulder or neck conveniently, and the user does not need to hold the detection device in his hand, which is more convenient for the user to carry the hydrogen detection device.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable hydrogen detection device, characterized in that: The invention comprises a detection device body (1), wherein a controller (2) is arranged inside the detection device body (1), a sensing head (3) is arranged at the top of the detection device body (1), a protection mechanism (4) is arranged above the sensing head (3), a hydrogen sensor (5) is arranged inside the sensing head (3), and the hydrogen sensor (5) is electrically connected to the controller (2), a connecting mechanism (6) is arranged at the bottom of the detection device body (1), and the connecting mechanism (6) comprises a first opening (601) arranged at the bottom of the detection device body (1), a rotating shaft (602) is arranged inside the first opening (601), a bottom cover (603) is arranged above the first opening (601), one end of the rotating shaft (602) passes through the bottom cover (603) and is connected to a gear plate (604), a first hanging rope (605) is arranged on the rotating shaft (602), the first hanging rope (605) passes through the detection device body (1) and is connected to a connecting block (606), and the connecting mechanism (6) is arranged at the bottom of the detection device body (1). One side of the block (606) is connected to a second suspension rope (607), the second suspension rope (607) is connected to a fixing pile (608), the fixing pile (608) is connected to the detection device body (1), the protection mechanism (4) comprises a protection cover (401) arranged above the sensing head (3), a connecting plate (402) is arranged on one side of the protection cover (401), a fixing seat (403) is arranged on the outside of the detection device body (1), and the connecting plate (40 2) is hinged with a fixing seat (403), a first fixing block (404) is provided on the other side of the protective cover (401), a buckle (405) is provided below the first fixing block (404), a second fixing block (406) is provided on the outside of the detection device body (1), the second fixing block (406) is connected to an elastic plate (407), a card plate (408) is provided above the elastic plate (407), and the card plate (408) matches the buckle (405).

2. A portable hydrogen detection device according to claim 1, characterized in that: A first groove (7) is provided on one side of the detection device body (1), and the first groove (7) matches the connecting block (606). A second groove (8) is provided on one side of the first groove (7), and the second groove (8) matches the second suspension rope (607). A fixing mechanism (9) is provided inside the connecting block (606).

3. A portable hydrogen detection device according to claim 2, characterized in that: The fixing mechanism (9) comprises a second opening (901) arranged inside the connecting block (606), the number of the second openings (901) is two, a telescopic spring (902) is arranged inside the second opening (901), one end of the telescopic spring (902) is connected to the connecting block (606), the other end of the telescopic spring (902) is connected to the moving block (903), the moving block (903) is connected to the clamping block (904), a clamping slot (905) is arranged inside the detection device body (1), the clamping block (904) matches the clamping slot (905), a pull plate (906) is arranged on one side of the moving block (903), one end of the pull plate (906) passes through the connecting block (606) and is placed outside the connecting block (606).

4. A portable hydrogen detection device according to claim 1, characterized in that: The outer side of the gear plate (604) is provided with a bolt (10), and the bottom cover (603) is provided with a threaded hole (11), and the bolt (10) matches the threaded hole (11).

5. A portable hydrogen detection device according to claim 1, characterized in that: A display screen (12) is provided on the detection device body (1), the display screen (12) is electrically connected to the controller (2), and a switch (13) is provided below the display screen (12).

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