CN213264347U - Belt pull switch limit indication alarm control system - Google Patents
Belt pull switch limit indication alarm control system Download PDFInfo
- Publication number
- CN213264347U CN213264347U CN202021941810.4U CN202021941810U CN213264347U CN 213264347 U CN213264347 U CN 213264347U CN 202021941810 U CN202021941810 U CN 202021941810U CN 213264347 U CN213264347 U CN 213264347U
- Authority
- CN
- China
- Prior art keywords
- power supply
- alarm
- current power
- series
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a belt stay cord switch limit indication alarm control system, including multiunit limit control circuit, and combined floodgate control circuit, each limit control circuit includes stay cord switch, auxiliary relay, pilot lamp, alarm and DC power supply, auxiliary relay has relay coil, and three routes of contacts, stay cord switch establishes ties and auxiliary relay coil and connects DC power supply's positive negative pole, one of three routes of contacts establishes ties and connects DC power supply's positive negative pole with the pilot lamp, another way establishes ties and connects DC power supply's positive negative pole with the alarm, connect in combined floodgate control circuit all the way again; the utility model provides an among the technical scheme, through the coil of stay cord switch connection auxiliary relay, stay cord switch trouble disconnection, relay coil outage, the alarm sends the suggestion of reporting to the police, and stay cord switch corresponds the pilot lamp and extinguishes simultaneously to confirm the stay cord switch that breaks down and carry out rapid processing for belt fault handling speed, thereby improve on-the-spot production efficiency.
Description
Technical Field
The utility model relates to a belt stay cord safety control technical field, in particular to belt stay cord switch limit indication alarm control 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 can stop the belt running immediately by pulling off any one pull rope switch on the conveying belt. In the production process, the belt is influenced by electrical aging, mechanical vibration or other aspects, when the belt runs, the action of the pull rope switch is switched off, so that the belt is stopped, the quick processing is needed, and the pull rope switch is reset and switched on. However, the transport belt on site is long, the number of belt pull-cord switches is large, one pull-cord switch needs to be checked one by one, the pull-cord switches are not obvious in appearance after being disconnected in action, time and labor are wasted in checking, the production rhythm is fast at present, and the on-site production efficiency is influenced by overlong processing time.
Disclosure of Invention
The utility model discloses a main objective provides a belt stay cord switch limit indication alarm control system, aims at solving current stay cord switch action disconnection and causes the belt to shut down, because belt stay cord switch is more in quantity, the investigation gets up the problem that wastes time and energy very much.
In order to achieve the above object, the utility model provides a belt stay cord switch limit indication alarm control system, including multiunit limit control circuit and combined floodgate control circuit, each limit control circuit includes stay cord switch, auxiliary relay, pilot lamp, alarm and DC power supply, auxiliary relay has coil and three routes of contacts, stay cord switch establishes ties and auxiliary relay coil and connects DC power supply's positive negative pole, one way in three routes of contacts establishes ties and connects DC power supply's positive negative pole with the pilot lamp, and another way establishes ties and connects DC power supply's positive negative pole with the alarm, connects in combined floodgate control circuit all the way again; the switching-on control circuit comprises an overload protection device, a switching-off button, a switching-on button and a switching-on contactor which are connected with the contact of the intermediate relay in series, the switching-on control circuit is connected with an alternating current power supply, the contact of the pull-cord switch and the series indicator lamp in the same way and the contact connected in the switching-on control circuit are normally open contacts, and the contact of the series alarm in the other way is a normally closed contact.
Preferably, the multiple groups of limit indication alarm control loops are set to six groups, the pull rope switches comprise SQ1, SQ2, SQ3, SQ4, SQ5 and SQ6, the indicator lamps comprise HL1, HL2, HL3, HL4, HL5 and HL6, the alarms are HA, the intermediate relays comprise KA1, KA2, KA3, KA4, KA5 and KA6, coil contacts of the intermediate relay KA1 are KA1-1 and KA1-2, three-way contacts are KA1-3 and KA1-4, KA1-5 and KA1-6, KA1-7 and KA1-8, coil contacts of the intermediate relay KA6 are 6-1 and KA6-2, and three-6-3 and 6-4, 6-5 and 6-6, KA 72-6 and KA 72-6-368;
the six groups of limiting indication alarm control loops are characterized in that six groups of coils of intermediate relays are respectively connected with positive and negative poles of pull rope switches SQ1, SQ2, SQ3, SQ4, SQ5 and SQ6 in series and connected with a direct current power supply, one path of contact points of intermediate relays KA1, KA2, KA3, KA4, KA5 and KA6 are respectively connected with positive and negative poles of indicator lamps HL1, HL2, HL3, HL4, HL5 and HL6 in series and connected with the direct current power supply, and the other path of contact points of KA1, KA2, KA3, KA4, KA5 and KA6 are respectively connected with the alarm HA in series and connected with the positive and negative poles of the direct current power supply;
closing a floodgate control circuit is KA1, KA2, KA3, KA4, KA5 and KA 6's contact of once more establishes ties in proper order, just KA6-7 establishes ties in proper order overload protection FR, separating brake button SB1, closing button SB2 and closing contactor KM, closing a floodgate control circuit connects alternating current power supply.
Preferably, the alarm is an audible and visual alarm.
Preferably, the closing button is connected in parallel with a self-locking contact.
Preferably, the direct current power supply is a 24V direct current power supply which is converted and output by a direct current module from a 220V alternating current power supply.
Preferably, the alternating current power supply is a 220V alternating current power supply.
In the technical scheme provided by the utility model, the coil of the intermediate relay is connected through the belt pull-cord switch, the pull-cord switch is closed, the normally open contact of the series indicator lamp is closed after the coil of the intermediate relay is electrified, the indicator lamp on the panel of the distribution box gives out light to indicate, the switching-on condition is provided, the normally open contact connected in the switching-on loop is closed, the belt switching-on control loop is switched on, the running belt is started, and the normally closed contact of the series alarm is switched off at the moment; if the disconnection breaks down belt stay cord switch, auxiliary relay's coil outage, the normally closed contact closure of alarm sends the warning suggestion, and stay cord switch corresponds the pilot lamp and extinguishes simultaneously, and operating personnel does not give out light through observing the pilot lamp on the block terminal to confirm the stay cord switch that breaks down and carry out rapid processing, accelerate belt fault handling speed, thereby improve on-the-spot production efficiency.
Compared with the prior art, the belt pull-cord switch limiting indication alarm control system has the following advantages:
(1) the pull switch is connected with the intermediate relay, and three contacts of the intermediate relay are respectively connected with the indicator lamp, the alarm and the belt switching-on control loop, so that the installation is convenient;
(2) the pull switch and the indicator lamp are in one-to-one correspondence in sequence and numbered, so that the fault investigation caused by the stop of the belt due to the disconnection of the pull switch is facilitated, the belt fault processing speed is increased, and the field production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a belt pull switch limit indication alarm control system provided by the present invention;
fig. 2 is a schematic diagram of a closing control loop of the belt pull switch limit indication alarm control system.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The utility model provides a belt stay cord switch limit indication alarm control system, figure 1 and figure 2 are the utility model provides a belt stay cord switch limit indication alarm control system is the schematic diagram of embodiment.
Referring to fig. 1 and 2, the belt pull switch limit indication alarm control system includes a plurality of sets of limit control loops and a closing control loop, each limit control loop includes a pull switch, an intermediate relay, an indicator light, an alarm and a dc power supply, the intermediate relay has a coil and three contacts, the pull switch is connected in series with the intermediate relay coil and connected to the positive and negative poles of the dc power supply, one of the three contacts is connected in series with the indicator light and connected to the positive and negative poles of the dc power supply, the other is connected in series with the alarm and connected to the positive and negative poles of the dc power supply, and the other is connected to the closing control loop; the switching-on control circuit comprises an overload protection device, a switching-off button, a switching-on button and a switching-on contactor which are connected with the contact of the intermediate relay in series, the switching-on control circuit is connected with an alternating current power supply, the contact of the pull-cord switch and the series indicator lamp in the same way and the contact connected in the switching-on control circuit are normally open contacts, and the contact of the series alarm in the other way is a normally closed contact.
In the technical scheme provided by the utility model, the coil of the intermediate relay is connected through the belt pull-cord switch, the pull-cord switch is closed, the normally open contact of the series indicator lamp is closed after the coil of the intermediate relay is electrified, the indicator lamp on the panel of the distribution box gives out light to indicate, the switching-on condition is provided, the normally open contact connected in the switching-on loop is closed, the belt switching-on control loop is switched on, the running belt is started, and the normally closed contact of the series alarm is switched off at the moment; if the disconnection breaks down belt stay cord switch, auxiliary relay's coil outage, the normally closed contact closure of alarm sends the warning suggestion, and stay cord switch corresponds the pilot lamp and extinguishes simultaneously, and operating personnel does not give out light through observing the pilot lamp on the block terminal to confirm the stay cord switch that breaks down and carry out rapid processing, accelerate belt fault handling speed, thereby improve on-the-spot production efficiency.
In this embodiment, please refer to fig. 1 and 2, the multiple sets of limit indication alarm control loops are set to six sets, the pull rope switches include SQ1, SQ2, SQ3, SQ4, SQ5 and SQ6, the indicator lamps include HL1, HL2, HL3, HL4, HL5 and HL6, the alarms are HA, the intermediate relays include KA1, KA2, KA3, KA4, KA5 and KA6, coil contacts of the KA1 of the intermediate relays are KA1-1 and KA1-2, three contacts are KA1-3 and KA1-4, KA1-5 and KA1-6, and KA1-7 and KA1-8, coil contacts of the intermediate relays are 6-1 and 6-2, and three contacts are 6-3 and 6-4, KA 8745-72 and KA 72-72, KA1 and KA 6-72 and KA 6-6;
the six groups of limiting indication alarm control loops are characterized in that six groups of coils of intermediate relays are respectively connected with positive and negative poles of pull rope switches SQ1, SQ2, SQ3, SQ4, SQ5 and SQ6 in series and connected with a direct current power supply, one path of contact points of intermediate relays KA1, KA2, KA3, KA4, KA5 and KA6 are respectively connected with positive and negative poles of indicator lamps HL1, HL2, HL3, HL4, HL5 and HL6 in series and connected with the direct current power supply, and the other path of contact points of KA1, KA2, KA3, KA4, KA5 and KA6 are respectively connected with the alarm HA in series and connected with the positive and negative poles of the direct current power supply;
closing a floodgate control circuit is KA1, KA2, KA3, KA4, KA5 and KA 6's contact of once more establishes ties in proper order, just KA6-7 establishes ties in proper order overload protection FR, separating brake button SB1, closing button SB2 and closing contactor KM, closing a floodgate control circuit connects alternating current power supply.
In this embodiment, the alarm is an audible and visual alarm HA.
In this embodiment, referring to fig. 2, the closing button is connected in parallel to a self-locking contact, and the closing button SB2 is connected in parallel to the self-locking contact KM-1. The self-locking contact KM-1 is closed after the closing button SB2 is switched on, and the self-locking contact KM-1 plays a closing self-holding role.
In this embodiment, referring to fig. 1, the dc power supply is a 24V dc power supply that is converted and output by a 220V ac power supply through a dc module. The stability of the limiting safety control loop can be kept by adopting a direct-current power supply for power supply.
In this embodiment, please refer to fig. 2, the ac power supply is a 220V ac power supply.
In this embodiment, the stay cord switch is installed on the transmission belt, auxiliary relay, pilot lamp, alarm and DC power supply install in the block terminal of monitor.
The working principle of the belt pull-cord switch limiting safety control system is as follows: before a belt is started, all stay cord switches on the belt are switched on, normally open contacts of the stay cord switches are closed, an intermediate relay arranged in a distribution box of a monitoring room is switched on, normally open contacts of a series indicator lamp are closed after a coil of the intermediate relay is electrified, an indicator lamp on a panel of the distribution box gives out light for indication, a closing condition is achieved, the normally open contacts connected in a closing loop are closed, a belt closing control loop is switched on, a running belt is started, and the normally closed contacts of a series alarm are disconnected at the moment; if the disconnection breaks down belt stay cord switch, auxiliary relay's coil outage, the normally closed contact closure of alarm sends the warning suggestion, and stay cord switch corresponds the pilot lamp and extinguishes simultaneously, and operating personnel does not give out light through observing the pilot lamp on the block terminal to confirm the stay cord switch that breaks down and carry out rapid processing, accelerate belt fault handling speed, thereby improve on-the-spot production efficiency.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a spacing warning control system that indicates of belt pull switch which characterized in that: the intelligent switching-on/switching-off device comprises a plurality of groups of limit control loops and switching-on control loops, wherein each limit control loop comprises a pull rope switch, an intermediate relay, an indicator lamp, an alarm and a direct-current power supply, the intermediate relay is provided with a coil and three contacts, the pull rope switch is connected with the intermediate relay coil in series and is connected with the positive pole and the negative pole 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 pole and the negative pole of the direct-current power supply, the other contact is connected with the alarm in series and is; the switching-on control circuit comprises an overload protection device, a switching-off button, a switching-on button and a switching-on contactor which are connected with the contact of the intermediate relay in series, the switching-on control circuit is connected with an alternating current power supply, the contact of the pull-cord switch and the series indicator lamp in the same way and the contact connected in the switching-on control circuit are normally open contacts, and the contact of the series alarm in the other way is a normally closed contact.
2. The belt pull switch limit indication alarm control system of claim 1, wherein: the multi-group limit indication alarm control loop is set to six groups, the pull rope switch comprises SQ, SQ and SQ, the indicator lamp comprises HL, HL and HL, the alarm is HA, the intermediate relay comprises KA, KA and KA, coil contacts of the intermediate relay KA are KA-1 and KA-2, three-way contacts are KA-3 and KA-4, KA-5 and KA-6, and KA-7 and KA-8 respectively, coil contacts of the intermediate relay KA are KA-1 and KA-2, and three-way contacts are KA-3 and KA-4, KA-5 and KA-6, and KA-7 and KA-8 respectively;
the six groups of limiting indication alarm control loops are characterized in that six groups of coils of intermediate relays are respectively connected with positive and negative poles of pull rope switches SQ1, SQ2, SQ3, SQ4, SQ5 and SQ6 in series and connected with a direct current power supply, one path of contact points of intermediate relays KA1, KA2, KA3, KA4, KA5 and KA6 are respectively connected with positive and negative poles of indicator lamps HL1, HL2, HL3, HL4, HL5 and HL6 in series and connected with the direct current power supply, and the other path of contact points of KA1, KA2, KA3, KA4, KA5 and KA6 are respectively connected with the alarm HA in series and connected with the positive and negative poles of the direct current power supply;
closing a floodgate control circuit is KA1, KA2, KA3, KA4, KA5 and KA 6's contact of once more establishes ties in proper order, just KA6-7 establishes ties in proper order overload protection FR, separating brake button SB1, closing button SB2 and closing contactor KM, closing a floodgate control circuit connects alternating current power supply.
3. The belt pull switch limit indication alarm control system of any one of claims 1 to 2, wherein: the alarm is an audible and visual alarm.
4. The belt pull switch limit indication alarm control system of any one of claims 1 to 2, wherein: and the closing button is connected with a self-locking contact in parallel.
5. The belt pull switch limit indication alarm control system of any one of claims 1 to 2, wherein: the direct current power supply is a 24V direct current power supply which is converted and output by a 220V alternating current power supply through a direct current module.
6. The belt pull switch limit indication alarm control system of any one of claims 1 to 2, wherein: the alternating current power supply is a 220V alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021941810.4U CN213264347U (en) | 2020-09-08 | 2020-09-08 | Belt pull switch limit indication alarm control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021941810.4U CN213264347U (en) | 2020-09-08 | 2020-09-08 | Belt pull switch limit indication alarm control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213264347U true CN213264347U (en) | 2021-05-25 |
Family
ID=75939244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021941810.4U Active CN213264347U (en) | 2020-09-08 | 2020-09-08 | Belt pull switch limit indication alarm control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213264347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903616A (en) * | 2021-09-29 | 2022-01-07 | 华能国际电力股份有限公司丹东电厂 | Pull switch monitoring system |
-
2020
- 2020-09-08 CN CN202021941810.4U patent/CN213264347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903616A (en) * | 2021-09-29 | 2022-01-07 | 华能国际电力股份有限公司丹东电厂 | Pull switch monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213264347U (en) | Belt pull switch limit indication alarm control system | |
| CN209765303U (en) | attached lifting scaffold electrical control device | |
| CN115453412B (en) | Urban rail transit traction network maintenance grounding loop broken line monitoring device | |
| CN205068134U (en) | Fire control water feed pump set intelligence centralized control system | |
| CN102190151B (en) | Control system for belt conveyor | |
| CN211979490U (en) | Control system of premixing machine | |
| CN102751695A (en) | Alarming protection device and alarming protection method for alternating-current contactor main contact adhesion | |
| CN217135144U (en) | Power supply monitoring system | |
| CN209925183U (en) | Main/standby electrical control circuit of spray pump | |
| CN109814469B (en) | Electric control device for attached lifting scaffold | |
| CN210156978U (en) | Intelligent safety energy-saving main control equipment | |
| CN211046001U (en) | Condensation control circuit is prevented to high-voltage board | |
| CN211711920U (en) | Belt feeder stay cord switch warning circuit and protection system and device | |
| CN215642995U (en) | Novel high-voltage power-off remote automatic alarm device | |
| CN217003999U (en) | Fault monitoring indication control loop with lubricating oil pump power equipment | |
| CN217820769U (en) | Multi-loop direct current leakage centralized monitoring system for transformer substation cabinet | |
| CN217983236U (en) | Remote control's low pressure frame circuit breaker | |
| RU199217U1 (en) | DEVICE FOR DETECTION OF BREAK OR SHORT CIRCUIT OF A TWO-WIRE LINE | |
| CN216485433U (en) | Dynamic monitoring system for communication power supply | |
| CN214151956U (en) | Voice alarm circuit structure of television transmitter | |
| CN213027434U (en) | Silicon chain open circuit protection device | |
| CN208421195U (en) | A kind of power supply alarm circuit monitoring device and system | |
| CN212959062U (en) | Gas drainage pump start-stop sound and light alarm device | |
| CN218447695U (en) | Indoor high-voltage vacuum load switch | |
| CN218968676U (en) | Action warning control circuit for large hoisting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |