CN215207013U

CN215207013U - Belt pull switch audible and visual alarm system

Info

Publication number: CN215207013U
Application number: CN202121561119.8U
Authority: CN
Inventors: 翁卫钢
Original assignee: Huangshi Xinxing Pipes Co ltd
Current assignee: Huangshi Xinxing Pipes Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-17
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a belt pull switch audible and visual alarm system, which comprises a plurality of pull switches, wherein each pull switch is provided with an alarm, and the alarm is arranged on the shell of the pull switch; the pull-cord switch is provided with two paths of contacts, namely a long open contact and a long closed contact, wherein the long open contact is connected with the alarm in series and is connected with the power supply, and the long closed contact is connected into the belt switch-on control loop and is connected with the contactor in the belt switch-on control loop in series. The utility model discloses when aiming at solving current stay cord switch action disconnection and causing the belt to shut down, because the more problem that leads to the investigation inconvenient, investigation time overlength of belt stay cord switch quantity.

Description

Belt pull switch audible and visual alarm system

Technical Field

The utility model relates to a belt stay cord switch safety control technical field, in particular to belt stay cord switch audible-visual alarm system.

Background

In the existing belt running process, if equipment failure, potential safety hazards and the like occur, emergency shutdown is needed, and a post worker pulls open a pull rope switch on a conveying belt to stop the belt running at once. A long belt often has more than 6 stay cord switches, and in the production process, because stay cord switch causes the belt to shut down because reasons such as ageing, vibration automatic disconnection, can't know which stay cord switch breaks down, needs one to investigate one by one, resumes, causes the processing time overlength, influences on-the-spot production efficiency.

The search shows that China with the publication number of CN213264347U specially facilitates 2021, 5.25.A belt pull-cord switch limit indication alarm control system is disclosed, which comprises a plurality of groups of limit control loops and a closing control loop, wherein each limit control loop comprises a pull-cord switch, an intermediate relay, an indicator lamp, an alarm and a direct-current power supply, the intermediate relay is provided with a relay coil and three contacts, the pull-cord switch is connected with the intermediate relay coil in series and is connected with the positive electrode and the negative electrode of the direct-current power supply, one of the three contacts is connected with the indicator lamp in series and is connected with the positive electrode and the negative electrode of the direct-current power supply, the other one of the three contacts is connected with the alarm in series and is connected with the positive electrode and the negative electrode of the direct-current power supply, and the other one of the three contacts is connected with the closing control loop; this patent passes through the coil that the intermediate relay is connected to the stay cord switch, and the stay cord switch trouble breaks off, and the relay coil outage, and the alarm sends the warning suggestion, and the stay cord switch corresponds the pilot lamp simultaneously and extinguishes to confirm the stay cord switch that breaks down and handle rapidly for belt fault handling speed, thereby improve on-the-spot production efficiency.

Therefore, the problems to be solved in the field are to be solved by accurately positioning and quickly troubleshooting the fault of the pull rope switch.

Disclosure of Invention

The utility model aims at providing a belt stay cord switch audible-visual alarm system aims at solving current stay cord switch action disconnection and causes the belt to shut down, because the more problem that leads to the investigation inconvenient, investigation time overlength of belt stay cord switch quantity.

The utility model discloses a realize through following technical scheme:

a belt pull switch audible and visual alarm system comprises a plurality of pull switches, wherein each pull switch is provided with an alarm which is arranged on a pull switch shell; the pull-cord switch is provided with two paths of contacts, namely a long open contact and a long closed contact, wherein the long open contact is connected with the alarm in series and is connected with the power supply, and the long closed contact is connected into the belt switch-on control loop and is connected with the contactor in the belt switch-on control loop in series.

In the technical scheme, a power supply is connected with an alarm through a stay cord switch long-closed contact, the stay cord switch long-open contact is connected into a belt closing control loop, and the belt closing control loop is connected with the power supply; when the pull switch is switched off, the long closed contact is switched off, and the long open contact is switched on to send an alarm prompt, so that the fault pull switch is confirmed quickly, the belt fault processing speed is increased, and the field production efficiency is improved.

Further, the belt closing control loop comprises a stop button, a start button, a stay cord switch long-open contact and a contactor which are sequentially connected in series. When the belt conveyor works, the starting button is pressed, the coil of the contactor is electrified, and the running belt is started; if the belt pull switch breaks down and is disconnected, the long closed contact of the pull switch is disconnected, the contactor coil is powered off, the belt stops running, meanwhile, the long open contact of the pull switch is closed, and the alarm is connected for prompting.

Furthermore, the alarm and the long opening contact of the pull switch are connected in series to form an alarm loop. When the belt pull rope breaks down and is disconnected, the long open contact of the pull rope switch is closed, and the alarm is switched on to give an alarm for prompting.

Furthermore, the belt closing control loop and the alarm loop are both connected with an alternating current power supply. The alternating current power supply is a 220V alternating current power supply.

Furthermore, the alarm is an audible and visual alarm.

Further, the pull-cord switch is KLT2, and the alarm is HK 12-5M.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) the power supply of the utility model is connected with the alarm through the stay cord switch long-closed contact, and the stay cord switch long-open contact is connected with the belt switch-on control loop, and the belt switch-on control loop is connected with the power supply; when the pull switch is switched off, the long closed contact is switched off, and the long open contact is switched on to send an alarm prompt, so that the fault pull switch is confirmed quickly, the belt fault processing speed is increased, and the field production efficiency is improved.

2) The utility model discloses install audible-visual annunciator on stay cord switch shell, when the disconnection of stay cord switch action caused the belt to shut down, can send audible-visual annunciator to indicate, make things convenient for personnel to carry out troubleshooting, effectively improve belt fault handling speed to improve on-the-spot production efficiency.

Drawings

Fig. 1 is a schematic circuit diagram of a belt cord switch audible and visual alarm system according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a belt pull switch according to an embodiment of the present invention.

In the figure: 1. a stop button; 2. a start button; 3. a contactor; 4. a pull-cord switch; SQ-1, long closed contact; SQ-2, long open contact; 5. an alarm.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The embodiment provides a belt pull-cord switch audible and visual alarm system, which comprises a plurality of pull-cord Switches (SQ), wherein each pull-cord switch 4 is provided with an alarm (HA) 5; the pull rope switch 4 is provided with two contacts, namely a long open contact SQ-2 and a long closed contact SQ-1, wherein the long open contact SQ-2 is connected with the alarm 5 in series and is connected with a power supply, and the long closed contact SQ-1 is connected into the belt switch-on control loop and is connected with a contactor (KM)3 in the belt switch-on control loop in series. The alternating current power supply is a 220V alternating current power supply. And the belt closing control loop and the alarm loop are both connected with an alternating current power supply.

As shown in fig. 1-2, the closing control loop is formed by connecting a stop button (SB1)1, a start button (SB2)2, a coil of a contactor 3 and a long-closed contact SQ-1 of a pull switch 4 in series in sequence by an alternating current power supply; the alarm loop is formed by sequentially connecting an alternating current power supply with a pull-cord switch 4 long open contact SQ-2 and an audible and visual alarm. The alarm 5 is an audible and visual alarm.

The alarm 5 and the long open contact SQ-2 of the pull-cord switch 4 are connected in series to form an alarm loop. When the belt pull rope breaks down and is disconnected, the long open contact SQ-2 of the pull rope switch 4 is closed, and the alarm 5 is switched on to give an alarm.

The alarm 5 is arranged on the shell of the pull-cord switch 4. When the belt is stopped due to the fact that the pull switch 4 is disconnected in action, the alarm 5 can give out audible and visual alarm to prompt, and people can conveniently conduct troubleshooting.

In the embodiment, the pull-cord switch 4 can be KLT2, and the audible and visual alarm 5 can be HK 12-5M.

The working principle of the embodiment is as follows: after the start button 2 is pressed, a coil of the contactor 3 is electrified, and a running belt is started; if the belt pull-cord switch 4 is broken due to a fault, the long closed contact SQ-1 of the pull-cord switch 4 is disconnected, the coil of the contactor 3 is powered off, the belt stops running, meanwhile, the long open contact SQ-2 of the pull-cord switch 4 is closed, the audible and visual alarm is switched on for prompting, and post personnel can quickly confirm the broken pull-cord switch, so that the belt fault processing speed is increased, and the field production efficiency is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A belt pull switch audible and visual alarm system is characterized by comprising a plurality of pull switches, wherein each pull switch is provided with an alarm which is arranged on a shell of the pull switch; the pull-cord switch is provided with two paths of contacts, namely a long open contact and a long closed contact, wherein the long open contact is connected with the alarm in series and is connected with the power supply, and the long closed contact is connected into the belt switch-on control loop and is connected with the contactor in the belt switch-on control loop in series.

2. The acousto-optic alarm system for the belt pull switch is characterized in that the belt closing control loop comprises a stop button, a start button, a pull switch long opening contact and a contactor which are sequentially connected in series.

3. The belt pull-cord switch audible and visual alarm system according to claim 1, wherein the alarm and the pull-cord switch long open contact are connected in series to form an alarm loop.

4. The acousto-optic alarm system for the belt pull switch according to any one of claims 2 or 3, wherein the belt closing control loop and the alarm loop are both connected with an alternating current power supply.

5. The belt pull switch audible and visual alarm system of claim 1, wherein the alarm is an audible and visual alarm.

6. The acousto-optic alarm system for the belt pull-cord switch according to claim 1, wherein the pull-cord switch is KLT2, and the alarm is HK 12-5M.