Device for detecting opening and closing states of valve

Abstract

The utility model relates to the technical field of valve on-off state detection, in particular to a valve on-off state detection device which comprises a shell, a side pipe is fixed on one side of the shell, internal threads are arranged on the inner side of the end, away from the shell, of the side pipe, and a first waterproof microswitch and a second waterproof microswitch are installed in the shell. A second telescopic piece capable of stretching out and drawing back is installed at the position, close to the central axis of the side pipe, of the shell, one side of the second telescopic piece abuts against a switch of the second waterproof microswitch, a side groove is formed in one side of the side pipe, a first telescopic piece capable of being bent is installed in the side groove, and a second telescopic piece capable of stretching out and drawing back is installed in the first telescopic piece. According to the utility model, by detecting the states of the first waterproof microswitch and the second waterproof microswitch, the accurate position of the valve switch in the movement stroke can be judged, and the positioning accuracy and stability of a system are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve switch state detection technical field, specifically a kind of detection device of valve switch state. BACKGROUND

[0002] The existing valve switch monitoring technology mainly includes limit switch monitoring, position sensor monitoring, pressure sensor monitoring, visual processing technology monitoring, etc., and the main structure includes limit switch, various sensors, camera, etc.

[0003] Limit switch can only monitor the complete opening or closing of valve, and cannot feedback the intermediate position;Sensor can provide accurate valve position data, but it is relatively complex, and is affected by environmental temperature, humidity and other factors, with high maintenance cost;Visual processing technology has large data processing amount, and camera maintenance needs good environmental support, especially the more precise and complex technology requires higher working environment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of detection device of valve switch state to solve the problems raised in the above background technology.

[0005] The technical scheme of the utility model is: a kind of detection device of valve switch state, including shell, the shell one side is fixed with side pipe, the inner side of the side pipe away from the shell one end is equipped with internal thread, the shell is installed with first waterproof microswitch and second waterproof microswitch, the shell is installed with the second telescopic part of scalable near the side pipe central axis, the second telescopic part one side is contacted with the switch of second waterproof microswitch, the side pipe one side is equipped with side groove, the side groove is installed with the first telescopic part of bendable, the movable end of first telescopic part extends to the shell and is contacted with the switch of first waterproof microswitch, the shell is provided with the single-chip microcomputer of with first waterproof microswitch and second waterproof microswitch electric connection.

[0006] The effects of the above components are that: the side pipe is sleeved on the screw rod of the valve switch through the rotating device, at this time, the first waterproof micro switch is in the closed state, the second waterproof micro switch is in the open state, and the valve switch is in the closed state; the screw rod will touch and extrude the bending part of the first telescopic piece during movement, so that the first telescopic piece moves to the housing and contacts the first waterproof micro switch to make it open; when the valve switch screw continues to move into the side pipe and does not touch the second telescopic piece, the second waterproof micro switch at the tail end of the second telescopic piece is still in the open state, and at this time the first waterproof micro switch is always in the open state, and the valve switch is in the opening process state; when the valve switch screw continues to move until it touches the second telescopic piece, the second waterproof micro switch is in the closed state at this time, the first waterproof micro switch is in the open state at this time, and the valve switch is in the fully open state; when the first waterproof micro switch and the second waterproof micro switch are in the open state, the single-chip microcomputer obtains a low-level signal, and conversely, when they are closed, a high-level signal is obtained, and then the level signal is used to obtain the position of the valve switch screw in the stroke, which is convenient to use.

[0007] Preferably, the first telescopic piece comprises a rotating block rotatably installed in the side groove, one end of the rotating block rotatably installs a connecting rod, the end of the connecting rod away from the rotating block rotatably installs a push rod, the end of the push rod away from the connecting rod is slidably inserted into the housing and abuts against the switch of the first waterproof micro switch, the inner wall of the side groove is fixed with a guide groove block in sliding cooperation with the side wall of the push rod, the side groove is fixed with a limiting block near the rotating connection position of the rotating block and the connecting rod, and the push rod is sleeved with a first spring.

[0008] The effects of the above components are that: the rotating block can slide along the guide groove block to abut against the first waterproof micro switch through the connecting rod after abutting against the end of the valve switch screw, and the first spring is compressed, and the push rod is reset by the first spring when the valve switch screw is separated from the side pipe in the reverse direction, so that the first waterproof micro switch is in the closed state, and a fully closed signal of the valve switch is obtained.

[0009] Preferably, the second telescopic piece comprises a convex column slidably inserted into the housing, the convex column is fixed with a second spring at one end of the housing, and the outer side of the convex column is fixed with a convex ring abutting against the second waterproof micro switch.

[0010] The effects of the above components are that: the convex column can compress the second spring when it contacts the valve switch screw, and the convex ring can abut against the second waterproof micro switch to make it in the closed state, and the second spring drives the convex column to reset when the valve switch screw is separated from the convex column, so that the abutting effect on the second waterproof micro switch is removed.

[0011] Preferably, a ZIGBEE module electrically connected with the single-chip microcomputer is installed in the shell.

[0012] The effect achieved by the above components is that the ZIGBEE module can cooperate with the single-chip microcomputer to send the level signal and the valve switch position to other systems in real time through the wireless communication module, thereby facilitating the staff to record.

[0013] Preferably, a plurality of batteries are arranged in the shell, and the batteries are connected with a charging port arranged on the shell.

[0014] The effect achieved by the above components is that the batteries can supply power to the device, thereby facilitating flexible use.

[0015] The utility model discloses a valve switch state's detection device improves in this and compares with prior art has the following improvement and advantage:

[0016] The utility model discloses a valve switch state's detection device improves in this and compares with prior art has the following improvement and advantage: When the valve switch screw continues to move and does not touch the second telescopic piece, the second waterproof microswitch at the tail end of the second telescopic piece is still in the off state, and at this time, the first waterproof microswitch is always in the off state, obtaining the valve switch in the opening process state. When the valve switch screw continues to move until touching the second telescopic piece, the second waterproof microswitch is in the closed state at this time, and the first waterproof microswitch is in the off state at this time, and the valve switch is in the fully open state. When the first waterproof microswitch and the second waterproof microswitch are in the off state, the single-chip microcomputer obtains a low-level signal, and conversely, when they are closed, a high-level signal is obtained, and then the level signal is used to obtain the possible position of the valve switch screw in the stroke, and the accurate position of the valve switch in the movement stroke can be determined by detecting the state of the first waterproof microswitch and the second waterproof microswitch, thereby ensuring the positioning accuracy and stability of the system. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be explained further in combination with the drawings and examples:

[0018] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Fig. 2 It is the sectional structure schematic diagram of the utility model.

[0020] Explanation of reference signs:

[0021] 1, shell; 2, side pipe; 3, side groove; 4, internal thread; 5, first telescopic part; 51, rotating block; 52, connecting rod; 53, push rod; 54, first spring; 55, guide groove block; 56, limiting block; 6, second telescopic part; 61, convex column; 62, convex ring; 63, second spring; 7, first waterproof micro switch; 8, second waterproof micro switch; 9, ZIGBEE module; 10, single-chip microcomputer; 11, battery. DETAILED DESCRIPTION

[0022] The utility model is described in detail below, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] The utility model discloses a valve switch state's detection device is provided by improvement, and the technical scheme of the utility model is:

[0024] In the embodiment of the utility model, such as Figs. 1-2The utility model discloses a valve switch state detection device, including the casing 1, one side of casing 1 is fixed with side pipe 2, the inside of the end of side pipe 2 away from casing 1 is equipped with internal thread 4, the first waterproof micro -switch 7 and the second waterproof micro -switch 8 are installed in casing 1, and the second telescopic part 6 of retractable is installed in the place of the axis of casing 1 close to side pipe 2, and one side of second telescopic part 6 is in contact with the switch of second waterproof micro -switch 8, and side groove 3 is equipped in one side of side pipe 2, and the first telescopic part 5 of bendable is installed in side groove 3, and the movable end of first telescopic part 5 extends to casing 1 and is in contact with the switch of first waterproof micro -switch 7, and the side pipe 2 is screwed on the screw rod of valve switch through rotating device, and at this time, the first waterproof micro -switch 7 is in closed state, and the second waterproof micro -switch 8 is in open state, and the valve switch is in closed state, and the screw rod is extruded to the bending of first telescopic part 5 in the movement process and is extruded, and the first telescopic part 5 moves to casing 1 and contacts first waterproof micro -switch 7 and makes it open, when valve switch screw rod continues to move to the inside of side pipe 2 and does not touch second telescopic part 6, the second waterproof micro -switch 8 of the tail end of second telescopic part 6 is still in open state, and at this time, the first waterproof micro -switch 7 is always in open state, and the valve switch is in open process state, when valve switch screw rod continues to move until touching second telescopic part 6, the second waterproof micro -switch 8 is in closed state at this time, and the first waterproof micro -switch 7 is in open state at this time, and the valve switch is in fully open state, when the first waterproof micro -switch 7 and the second waterproof micro -switch 8 are in open state, the casing 1 is provided with the singlechip 10 of electric connection with the first waterproof micro -switch 7 and the second waterproof micro -switch 8, and the singlechip 10 obtains low level signal, and the corresponding high level signal when closing, and then the valve switch screw rod in the stroke movement can be in any position of the above state using level signal, the casing 1 is installed with the ZIGBEE module 9 of electric connection with the singlechip 10, and the ZIGBEE module 9 can cooperate with the singlechip 10 in real time and sends level signal, valve switch position to other systems using wireless communication module, and it is convenient for staff to record, and the casing 1 is provided with a plurality of batteries 11, and the battery 11 is connected with the charging port arranged on the casing 1, and the device can be powered by the battery 11, and it is convenient to use flexibly.

[0025] In the embodiment of the utility model, first telescopic piece 5 includes rotating block 51 that is rotatably installed in side groove 3, one end of rotating block 51 is rotatably installed with connecting rod 52, the one end of connecting rod 52 away from rotating block 51 is rotatably installed with push rod 53, the one end of push rod 53 away from connecting rod 52 is slidably inserted in shell 1 and is in contact with the switch of first waterproof micro switch 7, the inner wall of side groove 3 is fixed with the guide groove block 55 that is in sliding fit with the lateral wall of push rod 53, the position of the rotation connection of side groove 3 close to rotating block 51 and connecting rod 52 is fixed with limit block 56, first spring 54 is set on push rod 53, by rotating block 51 can be in contact after the valve switch screw rod end, cooperate connecting rod 52 drive push rod 53 along guide groove block 55 sliding, make push rod 53 end and first waterproof micro switch 7 contact, wherein first spring 54 is compressed, when the valve switch screw rod is separated from side pipe 2 after reversing the device, first spring 54 drive push rod 53 reset, first waterproof micro switch 7 is in closed state at this time, obtain valve switch complete closing signal, second telescopic piece 6 includes the convex post 61 of slidingly inserted in the outside of shell 1, the one end of convex post 61 in shell 1 is fixed with second spring 63, the lateral surface of convex post 61 is fixed with the convex ring 62 that is in contact with second waterproof micro switch 8, by convex post 61 can be in contact with the valve switch screw rod and compress second spring 63, at this time, convex ring 62 can be in contact with second waterproof micro switch 8 and make it be in closed state, when valve switch screw rod push force convex post 61, second spring 63 drive its reset, remove the contact effect of second waterproof micro switch 8.

[0026] The working principle of the detection device for valve switch state is as follows: the side pipe 2 is screwed on the screw rod of the valve switch through the rotating device, at this time, the first waterproof micro switch 7 is in a closed state, the second waterproof micro switch 8 is in an open state, and the valve switch is in a closed state; the screw rod will touch and extrude the bending part of the first telescopic part 5 in the movement process, the rotating block 51 can drive the push rod 53 to slide along the guide groove block 55 after abutting against the end of the valve switch screw rod and cooperating with the connecting rod 52, so that the end of the push rod 53 abuts against the first waterproof micro switch 7 to make it open, when the valve switch screw rod continues to move into the side pipe 2 and does not touch the second telescopic part 6, the second waterproof micro switch 8 at the tail end of the second telescopic part 6 is still in an open state, and at this time, the first waterproof micro switch 7 is always in an open state, and the valve switch is in an opening process state; when the valve switch screw rod continues to move until touching the second telescopic part 6, the second waterproof micro switch 8 is in a closed state at this time, the first waterproof micro switch 7 is in an open state at this time, and the valve switch is in a completely open state; when the reversing rotating device is reversed, the valve switch screw rod is separated from the side pipe 2, the first spring 54 drives the push rod 53 to reset, the first waterproof micro switch 7 is in a closed state at this time, and a valve switch complete closing signal is obtained, when the valve switch screw rod is separated from the convex column 61, the second spring 63 drives it to reset, and the abutting effect on the second waterproof micro switch 8 is removed; when the first waterproof micro switch 7 and the second waterproof micro switch 8 are in an open state, the single-chip microcomputer 10 obtains a low-level signal, and conversely, when they are closed, a high-level signal is obtained, and then the valve switch screw rod in the stroke movement can be in any position of the above-mentioned states by using the level signal, and the level signal and the valve switch position can be sent to other systems in real time by the ZIGBEE module 9 cooperating with the single-chip microcomputer 10 through the wireless communication module.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the switch state of a valve, comprising a housing (1), a side tube (2) fixed to one side of the housing (1), an inner side of an end of the side tube (2) away from the housing (1) having an internal thread (4), characterized in that: A first waterproof micro switch (7) and a second waterproof micro switch (8) are installed in the housing (1); a retractable second telescopic member (6) is installed near the central axis of the side tube (2) on the housing (1); one side of the second telescopic member (6) contacts the switch of the second waterproof micro switch (8); a side groove (3) is provided on one side of the side tube (2); a bendable first telescopic member (5) is installed in the side groove (3); the movable end of the first telescopic member (5) extends into the housing (1) and contacts the switch of the first waterproof micro switch (7); a single-chip microcomputer (10) electrically connected to the first waterproof micro switch (7) and the second waterproof micro switch (8) is provided in the housing (1).

2. A valve switch status detection device according to claim 1, characterized in that: The first telescopic member (5) includes a rotating block (51) rotatably mounted in the side groove (3), a connecting rod (52) is rotatably mounted on one end of the rotating block (51), a push rod (53) is rotatably mounted on one end of the connecting rod (52) away from the rotating block (51), the push rod (53) is slidably inserted into the housing (1) and contacts the switch of the first waterproof micro switch (7), a guide groove block (55) is fixed on the inner wall of the side groove (3) and is slidably matched with the side wall of the push rod (53), a limit block (56) is fixed in the side groove (3) near the rotational connection position of the rotating block (51) and the connecting rod (52), and a first spring (54) is sleeved on the push rod (53).

3. The device for detecting the valve switch state according to claim 1, characterized in that: The second telescopic member (6) comprises a boss (61) slidably plugged into the outside of the housing (1); a second spring (63) is fixed to one end of the boss (61) located on the housing (1); and a convex ring (62) is fixed to the outside of the boss (61) and contacts the second waterproof micro switch (8).

4. A valve switch status detection device according to claim 1, characterized in that: A ZIGBEE module (9) electrically connected to the single chip computer (10) is installed in the housing (1).

5. The device for detecting the valve switch state according to claim 1, characterized in that: A plurality of batteries (11) are arranged in the housing (1), and the batteries (11) are connected to a charging port arranged on the housing (1).

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