CN209668102U - A kind of belt conveyor pull switch power loss monitoring alarm - Google Patents
A kind of belt conveyor pull switch power loss monitoring alarm Download PDFInfo
- Publication number
- CN209668102U CN209668102U CN201822053342.6U CN201822053342U CN209668102U CN 209668102 U CN209668102 U CN 209668102U CN 201822053342 U CN201822053342 U CN 201822053342U CN 209668102 U CN209668102 U CN 209668102U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic relay
- circuit
- pull switch
- belt conveyor
- electrically connected
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of belt conveyor pull switch power loss monitoring alarms, including AC power source, belt conveyor circuit, alarm device and soft stop, the AC power source current output terminal and current input terminal are equipped with master switch jointly, the AC power source current output terminal is located at master switch downstream and is electrically connected with pull switch, the pull switch current output terminal is electrically connected with the first electromagnetic relay, the utility model is due to accessing alarm device in the operating circuit of the second electromagnetic relay, and second electromagnetic relay be normally opened contact electromagnetic relay, therefore operating circuit can be connected in the case where control circuit powers off, so that operating circuit forms the access of closure, audio alarm prompting subscriber's line circuit power-off can occur for audible alarm at this time, be conducive to timely discovery circuit power-off, effectively monitoring drawstring is opened It closes and whether the case where poor contact occurs, guarantee that pull switch can be used effectively when accident occurs.
Description
Technical field
The utility model relates to conveyer safety monitoring technology field, specially a kind of belt conveyor pull switch power loss
Monitoring alarm.
Background technique
Existing belt conveyor generally considers that configuring pull switch protects from security standpoint, sideslip protection, tearing protection,
Speed slipping protection, stream signal, thermometric cigarette sense protection etc., because pull switch protection is usually to apply always from belt conveyer head
If to tail, and being set to belt two sides, it may be said that be mostly important, the most convenient conveyer protection, tour personnel encounters
Conveyer abnormal conditions can protect exigency stop system by pulling wirerope to start pull switch, play ultimate safety effect.
But there are some drawbacks in use in traditional pull switch protection, such as:
Pull switch used in existing belt conveyor is in order to protect staff that can select the big electricity of Small current control
The indirect switching of stream, both low current circuit control main circuit disconnected after pulling down switch drawstring, the main electricity after disconnecting pull switch
Road connect, and due to pull switch be constantly in rainwater and dust it is more in the case where, pull switch is easy to because making a living
Rust leads to switching circuit poor contact, or because the more blocking contact of dust contacts caused poor contact, it is easy to cause
It in case of emergency only can not stop equipment in time by pull switch, cause significant consequences.
Utility model content
The purpose of this utility model is to provide a kind of belt conveyor pull switch power loss monitoring alarms, to solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of belt conveyor pull switch power loss monitoring alarm, including AC power source, belt conveyor circuit, police
Report device and soft stop, the AC power source current output terminal and current input terminal are equipped with master switch, the alternating current jointly
Ource electric current output end is located at master switch downstream and is electrically connected with pull switch, and the pull switch current output terminal is electrically connected with
First electromagnetic relay is connected between the pull switch and the first electromagnetic relay and is electrically connected, where the pull switch
The control circuit of circuit and the first electromagnetic relay is electrically connected, the operating circuit and Belt Conveying of first electromagnetic relay
Electromechanical road is electrically connected, and first electromagnetic relay is used to control the connecting and disconnecting of the circuit of belt conveyor circuit, first electricity
The operating circuit and alarm device of magnetic relay are electrically connected, and the circuit that first electromagnetic relay is used to control alarm device is logical
It is disconnected；The pull switch, the first electromagnetic relay are parallel with the second electromagnetic relay, the work of second electromagnetic relay jointly
Make circuit and soft stop is electrically connected, second electromagnetic relay is used to control the connecting and disconnecting of the circuit of soft stop.
Further, the master switch is more-control switch, and the master switch is used for while cutting off the electricity of the AC power source
Flow the circuit of output end and current input terminal.
Further, the alarm device has audible alarm and battery, the electric energy output end of storage battery and first
Electromagnetic relay operating circuit is electrically connected, the first electromagnetic relay operating circuit and audible alarm electrical energy inputs electricity
Property connection, the audible alarm electric energy output end and the battery electric energy input terminal be electrically connected, the audible alarm,
A series loop is formed between the operating circuit of battery and the first electromagnetic relay.
Further, the pull switch and the second electromagnetic relay are in series with circuit protection light bulb respectively.
Further, first electromagnetic relay is normally-closed contact electromagnetic relay, and second electromagnetic relay is
Normally opened contact electromagnetic relay.
Compared with prior art, the utility model has the beneficial effects that
Due to accessing alarm device in the operating circuit of the second electromagnetic relay, and the second electromagnetic relay is normally opened contact
Electromagnetic relay, therefore operating circuit can be connected in the case where control circuit powers off, so that operating circuit formation is closed
The access of conjunction, audio alarm prompting subscriber's line circuit power-off can occur for audible alarm at this time, be conducive to timely discovery circuit power-off,
Whether effectively monitoring pull switch there is the case where poor contact, guarantees that pull switch can be used effectively when accident occurs.
Detailed description of the invention
Fig. 1 is the utility model integrated circuit structural schematic diagram；
Fig. 2 is the first electromagnetic relay of the utility model operating circuit structural schematic diagram；
Fig. 3 is the second electromagnetic relay of the utility model operating circuit structural schematic diagram.
In Fig. 1-3: 1- AC power source；2- master switch；3- pull switch；The first electromagnetic relay of 4-；5- belt conveyor
Circuit；6- alarm device；61- audible alarm；62- battery；8- soft stop；The second electromagnetic relay of 9-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of belt conveyor pull switch power loss monitoring
Warning device, including AC power source 1, belt conveyor circuit 5, alarm device 6 and soft stop 8,1 electric current of the AC power source output
End and current input terminal are equipped with master switch 2 jointly, and 1 current output terminal of AC power source is located at 2 downstream of master switch electrical property
It is connected with pull switch 3,3 current output terminal of pull switch is electrically connected with the first electromagnetic relay 4, the pull switch
3 and first connect between electromagnetic relay 4 and are electrically connected, the control of the pull switch 3 place circuit and the first electromagnetic relay 4
Circuit processed is electrically connected, and the operating circuit and belt conveyor circuit 5 of first electromagnetic relay 4 are electrically connected, and described the
One electromagnetic relay 4 is used to control the connecting and disconnecting of the circuit of belt conveyor circuit 5, the operating circuit of first electromagnetic relay 4
It is electrically connected with alarm device 6, first electromagnetic relay 4 is used to control the connecting and disconnecting of the circuit of alarm device 6；The pull switch
3, the first electromagnetic relay 4 is parallel with the second electromagnetic relay 9 jointly, the operating circuit of second electromagnetic relay 9 with it is soft
It shuts down 8 to be electrically connected, second electromagnetic relay is used to control the connecting and disconnecting of the circuit of soft stop 8.
Since the master switch 2 is more-control switch, the master switch 2 is used for while cutting off the electric current of the AC power source 1
The circuit of output end and current input terminal, so that circuit when disconnecting circuit of master switch 2 is safer, it being capable of effective protection
The safety of service work personnel；Have audible alarm 61 and battery 62,62 electric energy of battery by the alarm device 6
Output end and 4 operating circuit of the first electromagnetic relay are electrically connected, 4 operating circuit of the first electromagnetic relay and audio alarm
61 electrical energy inputs of device are electrically connected, and 61 electric energy output end of audible alarm and 62 electrical energy inputs of battery are electrical
It connects, forms one between the operating circuit of the audible alarm 61, battery 62 and the first electromagnetic relay 4 and connect back
Road, so that 61 circuit of audible alarm can be connected to form access when 3 place circuit of pull switch powers off, sound at this time
Tone alerts device 61, which can sound an alarm, reminds 3 place circuit of pull switch to disconnect；By in the pull switch 3 and the second electromagnetism
Relay 9 is in series with circuit protection light bulb respectively, can protect circuit using protection light bulb, avoid the zero curve of AC power source 1 with
Accident caused by firewire is connected；By first electromagnetic relay 4 be normally-closed contact electromagnetic relay, second electromagnetism after
Electric appliance 9 is normally opened contact electromagnetic relay, so that belt conveyor circuit 5 can also break when 3 place circuit of pull switch disconnects
It opens, reduces loss, while alarm device 6 can sound an alarm, soft stop 8 also carries out job control equipment soft stop.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of belt conveyor pull switch power loss monitoring alarm, including AC power source (1), belt conveyor circuit
(5), alarm device (6) and soft stop (8), it is characterised in that: AC power source (1) current output terminal and current input terminal are total
With being equipped with master switch (2), AC power source (1) current output terminal is located at master switch (2) downstream and is electrically connected with drawstring and opens
Close (3), pull switch (3) current output terminal is electrically connected with the first electromagnetic relay (4), the pull switch (3) and
It connects and is electrically connected between first electromagnetic relay (4), circuit and the first electromagnetic relay (4) where the pull switch (3)
Control circuit be electrically connected, the operating circuit of first electromagnetic relay (4) and belt conveyor circuit (5) is electrical connects
It connects, first electromagnetic relay (4) is used to control the connecting and disconnecting of the circuit of belt conveyor circuit (5), the first electromagnetism relay
The operating circuit of device (4) and alarm device (6) are electrically connected, and first electromagnetic relay (4) is used to control the electricity of alarm device (6)
Road on-off；The pull switch (3), the first electromagnetic relay (4) are parallel with the second electromagnetic relay (9) jointly, and described second
The operating circuit of electromagnetic relay (9) and soft stop (8) are electrically connected, and second electromagnetic relay (9) is for controlling soft stop
The connecting and disconnecting of the circuit of machine (8).
2. a kind of belt conveyor pull switch power loss monitoring alarm according to claim 1, it is characterised in that: institute
Stating master switch (2) is more-control switch, the master switch (2) for cut off simultaneously the current output terminal of the AC power source (1) with
The circuit of current input terminal.
3. a kind of belt conveyor pull switch power loss monitoring alarm according to claim 1, it is characterised in that: institute
It states alarm device (6) and has audible alarm (61) and battery (62), battery (62) electric energy output end and the first electromagnetism
Relay (4) operating circuit is electrically connected, and the first electromagnetic relay (4) operating circuit and audible alarm (61) electric energy are defeated
Entering end to be electrically connected, audible alarm (61) electric energy output end and the battery (62) electrical energy inputs are electrically connected,
A series connection is formed between the operating circuit of the audible alarm (61), battery (62) and the first electromagnetic relay (4)
Circuit.
4. a kind of belt conveyor pull switch power loss monitoring alarm according to claim 1, it is characterised in that: institute
It states pull switch (3) and the second electromagnetic relay (9) is in series with circuit protection light bulb respectively.
5. a kind of belt conveyor pull switch power loss monitoring alarm according to claim 1, it is characterised in that: institute
State the first electromagnetic relay (4) be normally-closed contact electromagnetic relay, second electromagnetic relay (9) be normally opened contact electromagnetism after
Electric appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053342.6U CN209668102U (en) | 2018-12-07 | 2018-12-07 | A kind of belt conveyor pull switch power loss monitoring alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053342.6U CN209668102U (en) | 2018-12-07 | 2018-12-07 | A kind of belt conveyor pull switch power loss monitoring alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209668102U true CN209668102U (en) | 2019-11-22 |
Family
ID=68562098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053342.6U Expired - Fee Related CN209668102U (en) | 2018-12-07 | 2018-12-07 | A kind of belt conveyor pull switch power loss monitoring alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209668102U (en) |
-
2018
- 2018-12-07 CN CN201822053342.6U patent/CN209668102U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 Termination date: 20201207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |