Air duct sensor with alarm function

Abstract

The utility model relates to the technical field of air duct sensors, and discloses an air duct sensor with an alarm function, which comprises an air duct sensor body, an alarm horn is embedded in the side wall of one side of the air duct sensor body, and an alarm lamp is fixedly mounted at the top of the air duct sensor body. The alarm horn and the alarm lamp are electrically connected with the circuit board in the air duct sensor body through wires. A lifting structure is mounted at the top of the air duct sensor body; a fixing plate is fixedly installed on the upper portion of the side wall of the side, away from the alarm horn, of the air duct sensor body, U-shaped connecting bases are fixedly installed at the two ends of the side wall, away from the air duct sensor body, of the fixing plate, and a telescopic suspension mechanism is movably installed on each U-shaped connecting base. According to the utility model, when an alarm is given out, on-site constructors can rapidly evacuate from the site when hearing the alarm of'no wind and emergency withdrawing of the air duct ', so that the danger of the on-site constructors during coal mine operation is reduced, and the occurrence of underground coal mine safety accidents is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of wind tube sensors, in particular to a wind tube sensor with an alarm function. Background Art

[0002] At present, during the withdrawal of the supports at the 24106 working face of the coal mine, large power equipment such as forklifts and support trucks are used to withdraw the supports. During the withdrawal, due to the high noise on site and the lack of sound and light alarm functions of the wind tube sensors in the existing technology, when the fans in use stop blowing or the wind tubes are disconnected, the on-site construction personnel cannot discover in time, nor can they inform the on-site construction personnel in time to urgently evacuate the windless area, which will increase the danger of on-site construction personnel working in the coal mine.

[0003] Chinese utility model patent publication number CN210005056U discloses a fan air volume sensor and its functional module. The functional module of the fan air volume sensor is a magnetically driven detection assembly or a permanent magnet assembly. The functional module includes a housing with a hinged structure that is hinged to the fan air volume sensor's clip. This allows the functional module to be positioned on the fan air volume sensor's clip in a pitching and swinging manner, with the hinge axis of the housing parallel to or coinciding with the hinge axis of the fan air volume sensor's clip.

[0004] However, the air flow sensor of the air duct does not have the function of sound and light alarm.

[0005] The Chinese utility model patent with announcement number CN210768923U discloses a stable and efficient monitoring system wind duct sensor, including a mounting plate, the outer wall of which is movably connected to a sensing belt, through which the pressure contact surface of the wind duct sensor is fixed to the wind duct. When the wind force in the wind duct gradually increases, the pressure contact surface rises, and the rising pressure contact surface drives the cross plate to rise through the movable column. When the cross plate rises, on the one hand, it compresses the spring, and on the other hand, it drives the magnet to rise. The rising magnet controls the reed switch to produce different changes through the action of magnetic force to detect the size of the wind force. When the wind force gradually decreases, the magnet and the cross plate return to their original position under the dual action of the spring elastic force and their own gravity, and the reed switch also returns to its original position, completing the wind force monitoring.

[0006] However, the hair dryer sensor also does not have an audible or visual alarm function.

[0007] Based on this, a wind tube sensor with an alarm function is proposed. Summary of the Invention

[0008] (1) Technical problems solved

[0009] In view of the deficiencies in the prior art, the present invention provides a wind duct sensor with an alarm function to solve the problem raised in the background technology: during the withdrawal of the support from the working face of coal mine 24106, large power equipment such as forklifts and support trucks are used to withdraw the support. During the withdrawal, due to the high noise on site and the lack of sound and light alarm functions of the wind duct sensor in the prior art, when the fan in use stops blowing, the wind duct is disconnected, and other wind stop phenomena, the on-site construction personnel cannot discover them in time, nor can they inform the on-site construction personnel in time to evacuate the windless area urgently, thereby increasing the danger of on-site construction personnel working in the coal mine.

[0010] (2) Technical solution

[0011] To achieve the above objectives, the present invention provides the following technical solutions:

[0012] A wind tube sensor with an alarm function comprises a wind tube sensor body, a liquid crystal display panel on a side wall of the wind tube sensor body, a circuit board inside the wind tube sensor body, a control chip on the circuit board, an alarm speaker embedded in one side wall of the wind tube sensor body, and an alarm light fixedly mounted on the top of the wind tube sensor body, the alarm speaker and the alarm light being electrically connected to the circuit board inside the wind tube sensor body via wires;

[0013] A lifting structure is installed on the top of the wind tube sensor body;

[0014] The wind tube sensor body is fixedly installed with a fixing plate on the side wall away from the alarm speaker, and the two ends of the fixing plate away from the side wall of the wind tube sensor body are fixedly installed with U-shaped connecting seats, and each of the U-shaped connecting seats is movably installed with a telescopic suspension mechanism.

[0015] Preferably, the lifting structure includes a carrying frame, both ends of the carrying frame are sleeved with a rotating base, and the two rotating bases are respectively fixedly mounted on both sides of the top of the wind tube sensor body.

[0016] Preferably, the handrail is Ω-shaped;

[0017] The portable rack can be turned over between two rotating bases with its two ends serving as axes.

[0018] Preferably, each set of the telescopic suspension mechanism comprises a sleeve, the sleeve being movably mounted on the U-shaped connecting seat, a plug rod being movably mounted in the sleeve, and a hook being mounted on one end of the plug rod away from the sleeve;

[0019] The insertion rod is capable of sliding within the sleeve.

[0020] Preferably, guide grooves are provided on two opposite side walls of the sleeve;

[0021] The insertion rod is inserted into the inner cavity of the sleeve;

[0022] The bottoms of the two opposite side walls of the insertion rod are fixedly mounted with guide thread rods, and the two guide thread rods are passed outward from the corresponding guide grooves, and the two guide thread rods are able to slide up and down in the corresponding guide grooves.

[0023] Preferably, both of the guide threaded rods are threadedly connected with fastening nuts, and the two fastening nuts can generate clamping force on the side wall of the sleeve when tightened.

[0024] Preferably, a rotating shaft is fixedly mounted on the bottom of the two opposite side walls of the sleeve;

[0025] The bottom of the sleeve can be snap-fitted into the groove of the U-shaped connecting seat, and after snap-fitting, the two rotating shafts can pass through the side wall of the U-shaped connecting seat outward;

[0026] The sleeve can be turned over on the U-shaped connecting seat through two rotating shafts.

[0027] Preferably, both sides of the bottom of the sleeve have chamfered portions.

[0028] Preferably, a plurality of arc-shaped grooves are formed on the circumferential side wall of each fastening nut, and the plurality of arc-shaped grooves are distributed circumferentially on the fastening nut.

[0029] Preferably, one end of the hook has a connecting portion, and the bottom end surface of the connecting portion is fixedly connected to the top end surface of the insertion rod.

[0030] (3) Beneficial effects

[0031] The utility model provides a wind tube sensor with an alarm function, which has the following beneficial effects:

[0032] First, in the utility model, when a fan used in a coal mine stops blowing or the wind tube is disconnected, the wind tube sensor body can detect it. When the wind tube sensor body detects no wind, it can transmit the electric signal to the control chip on the circuit board inside it. After the control chip processes the data, it can send electric signals to the alarm speaker and the alarm light respectively, so that the alarm speaker continuously sounds an alarm and the alarm light continuously flashes. In the process of the alarm speaker continuously sounding an alarm and the alarm light continuously flashing, the construction personnel working in the coal mine can be alerted.

[0033] In addition, the alarm sounded by the alarm horn is: "No wind in the wind tunnel, evacuate urgently". When the construction workers on site hear the alarm of "No wind in the wind tunnel, evacuate urgently", they can quickly evacuate the scene, thereby reducing the danger of on-site construction workers working in the coal mine and avoiding the occurrence of safety accidents in the coal mine.

[0034] 2. In the present invention, when the wind tube sensor body is in use, two sets of telescopic suspension mechanisms can be suspended on the anchor net underground, and each set of telescopic suspension mechanisms can move on the corresponding U-shaped connecting seat. Therefore, each set of telescopic suspension mechanisms can be adjusted according to the actual usage situation, so that the wind tube sensor body can adapt to the actual situation on site when suspended.

[0035] 3. In the present invention, the insertion rod can slide in the sleeve, so as to achieve the purpose of adjusting the distance between the insertion rod and the sleeve. Since the hook is installed on the insertion rod, the distance between the hook and the sleeve is also adjusted accordingly, thereby achieving the purpose of adjusting the use length of the hook.

[0036] Fourth, in the present invention, when the insertion rod slides up and down in the sleeve, the two guide threaded rods can limit the position in the corresponding guide grooves to prevent the insertion rod from slipping.

[0037] 5. In the present invention, the two guide threaded rods are both threaded with fastening nuts, which can generate a clamping force on the side wall of the sleeve when tightened, thereby achieving braking of the insertion rod.

[0038] 6. In the present invention, the sleeve can be turned over on the U-shaped connecting seat through two rotating shafts, so that the telescopic suspension mechanism can be turned over on the U-shaped connecting seat to achieve the purpose of adjusting the use angle of the telescopic suspension mechanism.

[0039] 7. In the present invention, when each set of arc-shaped grooves is partially distributed on the circumferential side wall of the corresponding fastening nut, a circle of anti-slip portion can be formed on the circumferential side wall of the corresponding fastening nut, and on-site construction personnel can better rotate the fastening nut through the anti-slip portion.

[0040] 8. In the present invention, the lifting structure can facilitate construction workers to carry the device. Specifically, the device can be conveniently carried by lifting the portable frame. The portable frame can be flipped between two rotating bases with its two ends as axes, so that the portable frame can be folded. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0042] Figure 2 A three-dimensional schematic diagram of the rear view of the present invention;

[0043] Figure 3 A three-dimensional schematic diagram showing one perspective of the connection between the fixing plate, the U-shaped connecting seat and the telescopic suspension mechanism of the present invention;

[0044] Figure 4 A three-dimensional schematic diagram showing the connection between the fixing plate, the U-shaped connecting seat and the telescopic suspension mechanism of the present invention from a second perspective;

[0045] Figure 5 This is an exploded schematic diagram of the U-shaped connecting seat and the telescopic suspension mechanism of the present invention;

[0046] Figure 6 for Figure 5 A magnified three-dimensional schematic diagram of part A in the middle.

[0047] In the figure: 10, hair dryer sensor body; 101, liquid crystal display panel; 20, alarm speaker; 30, alarm light; 40, lifting structure; 401, portable frame; 402, rotating base; 50, fixing plate; 60, U-shaped connecting seat; 70, telescopic suspension mechanism; 701, sleeve; 7011, guide groove; 7012, rotating shaft; 7013, chamfered part; 702, insertion rod; 703, hook; 7031, connecting part; 704, guide thread rod; 705, fastening nut; 7051, arc-shaped groove part. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0049] Example 1

[0050] In order to solve the technical problems mentioned in the background technology, the following technical solutions are now adopted, as follows:

[0051] like Figure 1-2 As shown, the utility model provides a technical solution:

[0052] A wind tube sensor with an alarm function includes a wind tube sensor body 10, a liquid crystal display panel 101 on the side wall of the wind tube sensor body 10, a circuit board inside the wind tube sensor body 10, and a control chip on the circuit board. The liquid crystal display panel 101 is electrically connected to the circuit board in the wind tube sensor body 10 through a wire. An alarm speaker 20 is embedded in one side wall of the wind tube sensor body 10, and an alarm light 30 is fixedly installed on the top of the wind tube sensor body 10. The alarm speaker 20 and the alarm light 30 are respectively electrically connected to the circuit board in the wind tube sensor body 10 through wires.

[0053] In this embodiment, when a fan used in a coal mine stops blowing or the wind tube is disconnected, the wind tube sensor body 10 can detect it. When the wind tube sensor body 10 detects no wind, it can transmit the information in the form of an electrical signal to a control chip on a circuit board inside the wind tube sensor body 10. After the control chip processes the data, it can send electrical signals to the alarm speaker 20 and the alarm light 30 respectively, so that the alarm speaker 20 continuously sounds an alarm and the alarm light 30 continuously flashes. In the process of the alarm speaker 20 continuously sounding an alarm and the alarm light 30 continuously flashing, the purpose of reminding construction personnel working in the coal mine can be achieved.

[0054] In addition, the alarm sound emitted by the alarm speaker 20 is: "No wind in the wind tunnel, evacuate urgently". When the construction workers on site hear the alarm of "No wind in the wind tunnel, evacuate urgently", they can quickly evacuate the scene, thereby reducing the danger of on-site construction workers working in the coal mine and avoiding the occurrence of safety accidents in the coal mine.

[0055] A lifting structure 40 is installed on the top of the wind tube sensor body 10, which makes it easier for construction workers to carry the device;

[0056] A fixing plate 50 is fixedly installed on the side wall of the wind duct sensor body 10 away from the alarm speaker 20, and U-shaped connecting seats 60 are fixedly installed on both ends of the side wall of the fixing plate 50 away from the wind duct sensor body 10. A telescopic suspension mechanism 70 is movably installed on each U-shaped connecting seat 60. When the wind duct sensor body 10 is in use, two sets of telescopic suspension mechanisms 70 can be hung on the anchor net underground, and each set of telescopic suspension mechanisms 70 can be movable on the corresponding U-shaped connecting seat 60. Therefore, each set of telescopic suspension mechanisms 70 can be adjusted according to the actual usage situation, so that the wind duct sensor body 10 can adapt to the actual situation on site when hanging.

[0057] Example 2

[0058] like Figure 1-2 As shown, based on the first embodiment, the following improvements are made:

[0059] In order to optimize the structure of the lifting structure 40 and make it easier to use, the following technical solutions are currently adopted, as follows:

[0060] Furthermore, the lifting structure 40 includes a carrying frame 401, both ends of which are sleeved with a rotating base 402, and the two rotating bases 402 are respectively fixedly mounted on both sides of the top of the wind tube sensor body 10. By lifting the carrying frame 401, the device can be easily carried.

[0061] Specifically, the handheld rack 401 is in the shape of Ω;

[0062] The handheld rack 401 can be turned over between the two rotating bases 402 with its two ends as axes, so that the handheld rack 401 can be folded.

[0063] Example 3

[0064] like Figure 3-6 As shown, based on the first embodiment, the following improvements are made:

[0065] In order to optimize the structure of the two sets of telescopic suspension mechanisms 70 so that the device can be more conveniently suspended in a coal mine, the following technical solutions are now adopted, as follows:

[0066] Furthermore, each set of telescopic suspension mechanisms 70 includes a sleeve 701, which is movably mounted on the U-shaped connecting seat 60. A rod 702 is movably mounted in the sleeve 701. A hook 703 is mounted on one end of the rod 702 away from the sleeve 701. The hook 703 can be hung on an anchor net in a coal mine.

[0067] The insertion rod 702 can slide in the sleeve 701. When the insertion rod 702 can slide on the sleeve 701, the purpose of adjusting the distance between the insertion rod 702 and the sleeve 701 can be achieved. Since the hook 703 is installed on the insertion rod 702, the distance between the hook 703 and the sleeve 701 is also adjusted accordingly, thereby achieving the purpose of adjusting the use length of the hook 703.

[0068] Furthermore, guide grooves 7011 are provided on two opposite side walls of the sleeve 701;

[0069] The insertion rod 702 is inserted into the inner cavity of the sleeve 701;

[0070] Guide threaded rods 704 are fixedly installed at the bottom of the two opposite side walls of the insertion rod 702. The two guide threaded rods 704 extend outward from the corresponding guide grooves 7011, and the two guide threaded rods 704 can slide up and down in the corresponding guide grooves 7011. When the insertion rod 702 slides up and down in the sleeve 701, the two guide threaded rods 704 in the corresponding guide grooves 7011 can limit the slipping of the insertion rod 702.

[0071] Furthermore, the two guide threaded rods 704 are both threadedly connected with fastening nuts 705 . When the two fastening nuts 705 are tightened, they can generate a clamping force on the side wall of the sleeve 701 , thereby achieving braking of the insertion rod 702 .

[0072] Furthermore, the bottoms of the two opposite side walls of the sleeve 701 are fixedly mounted with rotating shafts 7012;

[0073] The bottom of the sleeve 701 can be snap-fitted into the groove of the U-shaped connecting seat 60, and after snap-fitting, the two rotating shafts 7012 can pass through the side wall of the U-shaped connecting seat 60 outward;

[0074] The sleeve 701 can be turned over on the U-shaped connecting seat 60 through the two rotating shafts 7012, so that the telescopic suspension mechanism 70 can be turned over on the U-shaped connecting seat 60 to achieve the purpose of adjusting the use angle of the telescopic suspension mechanism 70.

[0075] Specifically, the rotating shaft 7012 and the guide groove 7011 are located on the same side.

[0076] Furthermore, both sides of the bottom of the sleeve 701 have chamfered portions 7013. Under the action of the two chamfered portions 7013, the sleeve 701 can be turned over more smoothly.

[0077] Furthermore, a plurality of arc-shaped groove portions 7051 are provided on the circumferential side wall of each fastening nut 705, and the plurality of arc-shaped groove portions 7051 are distributed circumferentially on the fastening nut 705. When each group of arc-shaped groove portions 7051 is distributed on the circumferential side wall of the corresponding fastening nut 705, a circle of anti-slip portion can be formed on the circumferential side wall of the corresponding fastening nut 705, and on-site construction personnel can better rotate the fastening nut 705 through the anti-slip portion.

[0078] Furthermore, one end of the hook 703 has a connecting portion 7031 , and the bottom end surface of the connecting portion 7031 is fixedly connected to the top end surface of the insertion rod 702 . The hook 703 can be fixed to the insertion rod 702 through the connecting portion 7031 .

[0079] In summary, the workflow of this utility model is as follows:

[0080] like Figure 1-6As shown, when a fan used in a coal mine stops blowing or the wind tube is disconnected, the wind tube sensor body 10 can detect the wind. When the wind tube sensor body 10 detects no wind, the wind can be transmitted to the control chip on the circuit board inside it in the form of an electrical signal. After the control chip processes the data, it can send electrical signals to the alarm speaker 20 and the alarm light 30 respectively, so that the alarm speaker 20 continuously sounds an alarm and the alarm light 30 continuously flashes. In the process of the alarm speaker 20 continuously sounding an alarm and the alarm light 30 continuously flashing, the purpose of reminding the construction personnel working in the coal mine can be achieved.

[0081] In addition, the alarm sound emitted by the alarm speaker 20 is: "No wind in the wind tunnel, evacuate urgently". When the construction workers on site hear the alarm of "No wind in the wind tunnel, evacuate urgently", they can quickly evacuate the scene, thereby reducing the danger of on-site construction workers working in the coal mine and avoiding the occurrence of safety accidents in the coal mine.

[0082] The lifting structure 40 makes it convenient for construction workers to carry the device;

[0083] When the wind tube sensor body 10 is in use, two sets of telescopic suspension mechanisms 70 can be hung on the anchor net underground, and each set of telescopic suspension mechanisms 70 can move on the corresponding U-shaped connecting seat 60. Therefore, each set of telescopic suspension mechanisms 70 can be adjusted according to the actual usage situation, so that the wind tube sensor body 10 can adapt to the actual situation on site when hanging.

[0084] The above different embodiments can be combined, replaced and used in conjunction with each other.

[0085] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0086] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind tube sensor with an alarm function, comprising a wind tube sensor body (10), a liquid crystal display panel (101) on a side wall of the wind tube sensor body (10), a circuit board inside the wind tube sensor body (10), and a control chip on the circuit board, characterized in that: An alarm speaker (20) is embedded in a side wall of the wind tube sensor body (10), and an alarm light (30) is fixedly installed on the top of the wind tube sensor body (10). The alarm speaker (20) and the alarm light (30) are electrically connected to a circuit board in the wind tube sensor body (10) via wires. A lifting structure (40) is installed on the top of the wind tube sensor body (10); A fixing plate (50) is fixedly mounted on a side wall of the wind tube sensor body (10) away from the alarm speaker (20), and U-shaped connecting seats (60) are fixedly mounted on both ends of the side wall of the fixing plate (50) away from the wind tube sensor body (10), and a telescopic suspension mechanism (70) is movably mounted on each of the U-shaped connecting seats (60).

2. The hair dryer sensor with an alarm function according to claim 1, characterized in that: The lifting structure (40) comprises a carrying frame (401), and both ends of the carrying frame (401) are sleeved with a rotating base (402), and the two rotating bases (402) are respectively fixedly mounted on both sides of the top of the wind tube sensor body (10).

3. The hair dryer sensor with an alarm function according to claim 2, characterized in that: The carrying rack (401) is Ω-shaped; The portable rack (401) can be turned over between two rotating bases (402) using its two ends as axes.

4. The hair dryer sensor with an alarm function according to claim 1, characterized in that: Each set of the telescopic suspension mechanism (70) comprises a sleeve (701), the sleeve (701) being movably mounted on the U-shaped connecting seat (60), a plug rod (702) being movably mounted in the sleeve (701), and a hook (703) being mounted on one end of the plug rod (702) away from the sleeve (701); The insertion rod (702) is capable of sliding inside the sleeve (701).

5. The hair dryer sensor with an alarm function according to claim 4, characterized in that: Two opposite side walls of the sleeve (701) are each provided with a guide groove (7011); The insertion rod (702) is inserted and installed in the inner cavity of the sleeve (701); The bottoms of the two opposite side walls of the insertion rod (702) are fixedly mounted with guide thread rods (704), and the two guide thread rods (704) are both extended outwards from the corresponding guide grooves (7011), and the two guide thread rods (704) are both able to slide up and down in the corresponding guide grooves (7011).

6. The hair dryer sensor with an alarm function according to claim 5, characterized in that: The two guide threaded rods (704) are both threadedly connected with fastening nuts (705), and the two fastening nuts (705) can generate a clamping force on the side wall of the sleeve (701) when tightened.

7. The hair dryer sensor with an alarm function according to claim 5, characterized in that: A rotating shaft (7012) is fixedly mounted on the bottoms of the two opposite side walls of the sleeve (701); The bottom of the sleeve (701) can be snap-fitted and installed in the groove of the U-shaped connecting seat (60), and after being snap-fitted, the two rotating shafts (7012) can both pass through the side wall of the U-shaped connecting seat (60) outward; The sleeve (701) can be turned over on the U-shaped connecting seat (60) via two rotating shafts (7012).

8. The hair dryer sensor with an alarm function according to claim 7, characterized in that: Both sides of the bottom of the sleeve (701) have chamfered portions (7013).

9. The hair dryer sensor with an alarm function according to claim 6, characterized in that: A plurality of arc-shaped groove portions (7051) are provided on the circumferential side wall of each fastening nut (705), and the plurality of arc-shaped groove portions (7051) are distributed circumferentially on the fastening nut (705).

10. The hair dryer sensor with an alarm function according to claim 4, characterized in that: One end of the hook (703) has a connecting portion (7031), and the bottom end surface of the connecting portion (7031) is fixedly connected to the top end surface of the insertion rod (702).

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