CN106743300A - Carrier roller of belt conveyer overtemperature detecting system and its control method - Google Patents
Carrier roller of belt conveyer overtemperature detecting system and its control method Download PDFInfo
- Publication number
- CN106743300A CN106743300A CN201611105549.2A CN201611105549A CN106743300A CN 106743300 A CN106743300 A CN 106743300A CN 201611105549 A CN201611105549 A CN 201611105549A CN 106743300 A CN106743300 A CN 106743300A
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- CN
- China
- Prior art keywords
- overtemperature
- switch
- detection unit
- carrying roller
- chip microcomputer
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/10—Arrangements of rollers
- B65G39/12—Arrangements of rollers mounted on framework
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
Abstract
The invention discloses a kind of carrier roller of belt conveyer overtemperature detecting system and its control method, it is related to conveying machinery observation and control technology field；Carrier roller of belt conveyer overtemperature detecting system of the invention is by detecting Idler bearing temperature and performing protection instruction, the generation of fire preventing.Overtemperature detecting system includes idler machining, overtemperature detection unit and industrial computer, and idler machining includes some carrying rollers and support；Overtemperature detection unit is communicated with industrial computer by CAN, and overtemperature detection unit includes overtemperature switch, single-chip microcomputer and CAN transceiving chip；Overtemperature switch is pasted onto on the bearing of carrying roller, and it produces deformation to realize connecting and disconnecting of the circuit at a certain temperature by two-way shape memory alloys spring；Single-chip microcomputer and CAN transceiving chip are encapsulated in ceramic box, and on the support of supporting carrier roller.The present invention realizes the automatic detection of carrier roller of belt conveyer overtemperature, and stable, low cost is adapted to large-scale application, has effectively prevented disaster hidden-trouble.
Description
Technical field
The present invention relates to a kind of carrier roller of belt conveyer overtemperature detecting system and its control method, belong to conveying machinery automatic
Control technology field.
Background technology
Conveying machinery is widely used in harbour, railway, grain, coal, change as the topmost conveying equipment of loose unpacked material
The industries such as work, in recent years, conveying machinery develops towards directions such as long range, large conveying quantity, belt speed high, and progressively from stand-alone application to
Multistage conveying, space multistory intersect the integrated application transformation of induction system, multiple types conveying equipment, as induction system function is polynary
Change and the raising of equipment complexity, to each equipment of induction system and the overall reliability requirement more and more higher of pipeline.
Conveying machinery industry belongs to traditional equipment manufacture, and domestic conveying machinery manufacturing enterprise is relatively more, but mostly
It is common belt conveying machinery product or its accessory manufacturing enterprise, product is relatively simple, and technology content is substantially belonged to than relatively low
Labour-intensive manufacturing enterprise.By development for many years, Product Level is progressively improved, mainly conveying capacity and conveying away from
From lifting aspect, but the slower development in terms of Products Digital, fault detect, centralized Control.
, usually using carrying roller back-up belt, the working environment of conveyer is generally poor, Idler bearing content for ribbon conveyer
Easily enter the debris such as dust, bearing damage causes carrying roller stuck, belt rubs in carrying roller continuous surface so that carrying roller temperature is continuous
Raise, easily cause the accidents such as fire, blast.
The content of the invention
The present invention is to solve problem present in current technology, there is provided a kind of carrier roller of belt conveyer overtemperature detecting system and
Its control method.It is avoided that carrying roller because it is stuck cause belt temperature persistently raise easily trigger fire problem, and working stability,
Control accuracy is high, with low cost.
The present invention is achieved using following technical scheme：
A kind of carrier roller of belt conveyer overtemperature detecting system, it includes some idler machinings, some overtemperature detection units and work
Control machine, the overtemperature detection unit is arranged on the idler machining, and passes through CAN transmission signal with industrial computer.
The idler machining includes two and with upper supporting roller；The quantity of the overtemperature detection unit is consistent with the quantity of carrying roller,
Each idler machining one group of overtemperature detection unit of correspondence.
The idler machining includes clutch shaft bearing, first support, second bearing, 3rd bearing, second support, base, first
Carrying roller, the second carrying roller, the 3rd carrying roller, second carrying roller are centrally located, horizontal positioned, first carrying roller, the 3rd support
Roller, the both sides positioned at the second carrying roller, and symmetrical outwards upward direction inclines, the first carrying roller of support, the first support of the 3rd carrying roller,
Second support is adapted with corresponding carrying roller, and first support, the bottom of second support are all fixed on base.
The overtemperature detection unit includes the first overtemperature detection unit, the second overtemperature detection unit 28, the detection of the 3rd overtemperature
Unit.
Preferably, one idler machining includes the first carrying roller, three carrying rollers of the second carrying roller and the 3rd carrying roller, it is right respectively
Answer the first overtemperature detection unit, the second overtemperature detection unit and the 3rd overtemperature detection unit, the first overtemperature detection unit,
Two overtemperature detection units are identical with the 3rd overtemperature detection unit structure.
The first overtemperature detection unit includes the first overtemperature switch, the second overtemperature switch, single-chip microcomputer and CAN transmitting-receiving
Chip；Second overtemperature detection unit includes the 3rd overtemperature switch, the 4th overtemperature switch, single-chip microcomputer and CAN transceiving chip；The
Three overtemperature detection units include the 5th overtemperature switch, the 6th overtemperature switch, single-chip microcomputer and CAN transceiving chip.
The first overtemperature switch, the second overtemperature switch, the 3rd overtemperature switch, the 4th overtemperature switch, the 5th overtemperature switch
And the 6th overtemperature switch one end be connected with the I/O of single-chip microcomputer, the other end be grounded；Single-chip microcomputer passes through CAN transceiving chip
Access CAN.
The first overtemperature switch and the second overtemperature switch are arranged on clutch shaft bearing, and the 3rd overtemperature is switched and the 4th overtemperature
Switch is arranged in second bearing；5th overtemperature switch, the 6th overtemperature switch are arranged in 3rd bearing.
First overtemperature detection unit, the second overtemperature detection unit, the single-chip microcomputer of the 3rd overtemperature detection unit and CAN are received
Hair chip is individually enclosed in the first ceramic box, the second ceramic box and the 3rd ceramic box；First ceramic box is arranged on first support
On, the second ceramic box and the 3rd ceramic box are installed on the secondary support bracket.
The industrial computer sends query statement by CAN to single-chip microcomputer, and receives the data message of single-chip microcomputer return；
Single-chip microcomputer is received and processes the query statement of industrial computer transmission, and response message is returned by CAN transceiving chip；Single-chip microcomputer will
I/O states are packaged into data frame, send in real time to industrial computer.
The clutch shaft bearing includes outer ring, inner ring, the steel ball between outer ring and inner ring, second bearing, 3rd bearing
It is identical with clutch shaft bearing structure.
The first overtemperature switch includes copper sheet, copper top cover, two-way memory alloy spring, copper bottom successively from top to bottom
Plate, between the copper top cover and copper base plate, the periphery of two-way memory alloy spring be provided with cylindrical outer cover, cylindrical outer cover
It is connected with copper base plate；The copper sheet and copper top cover connect the I/O ports and ground of single-chip microcomputer respectively；Two-way memory alloy spring
It is placed in inside the cylindrical outer cover being welded on copper base plate, one end is connected with copper base plate, the other end is connected with copper top cover；
The spring elongation when ambient temperature rises to the phase transition temperature of two-way memory alloy spring, copper sheet and copper top cover are contacted, and first
Overtemperature switch closure；The second overtemperature switch, the 3rd overtemperature switch, the 4th overtemperature switch, the 5th overtemperature switch, the 6th overtemperature
Switch is similarly.
First overtemperature switch using high-temperature heat-conductive glue by copper base plate sticking the first carrying roller inner ring 21；The second surpass
Temperature switch using high-temperature heat-conductive glue by copper base plate sticking the first carrying roller inner ring；3rd overtemperature is switched and the 4th overtemperature switch
Using high-temperature heat-conductive glue by copper base plate sticking the second carrying roller inner ring；5th overtemperature switch, the 6th overtemperature switch are with same
Mode be pasted onto the inner ring of the 3rd carrying roller.
The single-chip microcomputer is STC15W408AS, and CAN transceiving chip is TJA1050.
The RS232 interfaces of the industrial computer are connected with CAN-232 converters, and CAN-232 converters access CAN；CAN
The CANH pins of bus transceiving chip TJA1050 connect the CANH holding wires of CAN, and the CANL pins of TJA1050 connect CAN
CANL holding wires, the Txd pins and Rxd pins of TJA1050 are connected with I/O mouthfuls of single-chip microcomputer.
The control method of above-mentioned carrier roller of belt conveyer overtemperature detecting system, comprises the following steps：
1. when ribbon conveyer brings into operation, carrying roller overtemperature detecting system is started, electricity in overtemperature detection unit, operator is led to
The man-machine interface for crossing industrial computer checks the warning message that the ruuning situation and carrying roller overtemperature detecting system of ribbon conveyer are pointed out.
2. in ribbon conveyer running, when the temperature of clutch shaft bearing 1 reaches 50 DEG C, the first overtemperature switch is closed
Close, I/O states are packaged into number by the I/O ports input low level signal of the single-chip microcomputer being connected with the first overtemperature switch, single-chip microcomputer
According to frame, and sent to industrial computer, the man-machine interface display alarm information of industrial computer by CAN.
When the temperature of clutch shaft bearing reaches 70 DEG C, the second overtemperature switch closure, the monolithic being connected with the second overtemperature switch
The I/O ports input low level signal of machine, I/O states are packaged into data frame by single-chip microcomputer, and are sent to industry control by CAN
Machine, industrial computer sends stop command, and ribbon conveyer is shut down；
When the temperature of second bearing reaches 50 DEG C, the 3rd overtemperature switch closure, man-machine interface display alarm information；When
When the temperature of two bearings reaches 70 DEG C, the 4th overtemperature switch closure, industrial computer sends stop command, and ribbon conveyer is shut down.
When the temperature of 3rd bearing reaches 50 DEG C, the 3rd overtemperature switch closure, the man-machine interface display alarm of industrial computer
Information；When the temperature of 3rd bearing reaches 70 DEG C, the 4th overtemperature switch closure, industrial computer sends stop command, belt conveying
Machine is shut down.
3. industrial computer sends query statement by CAN every 1min to overtemperature detection unit, if not received in 5s
The response message of certain detection unit, points out the detection unit offline in man-machine interface.
The significant compared with prior art advantage of the present invention is：
1. normally opened overtemperature switch is made using memorial alloy, is connected with the I/O ports of single-chip microcomputer, memorial alloy is heated change
Shape so that normally opened overtemperature switch connection, host computer sends alarm or stop command according to I/O port status, can be prevented effectively from
Disaster hidden-trouble；
2. overtemperature switch is attached to Idler bearing inner ring with single-chip microcomputer and CAN transceiver composition detection unit, multiple
Detection unit accesses CAN, and reliable communication network is set up with host computer；
3. the carrying roller overtemperature detecting system simple structure, high recycling rate is reliable, low cost, it is adaptable to it is long away from
From large-scale conveying equipment.
Brief description of the drawings
Fig. 1 is the scheme of installation of carrying roller overtemperature detecting system；
Fig. 2 is the control block diagram of carrying roller overtemperature detecting system；
Fig. 3 is the structural representation of carrying roller overtemperature detecting system；
Fig. 4 is the structural representation of bearing；
Fig. 5 is the structural representation of the first overtemperature switch 2；
Fig. 6 is the embodiment of carrying roller overtemperature detecting system.
Specific embodiment
Specific embodiment of the invention is described in detail with reference to the accompanying drawings.
Referring to Fig. 1 to Fig. 6.
Label declaration in figure：
Clutch shaft bearing 1, the first overtemperature switch the 2, second overtemperature switch 3, first support 4, the first ceramic box 5, second bearing
6th, the 3rd overtemperature switchs the 7, the 4th overtemperature switch 8,3rd bearing 9, the 5th overtemperature and switchs 11, second, the 10, the 6th overtemperature switch
Frame 12, the second ceramic box 13, the 3rd ceramic box 14, base 15, idler machining, the first carrying roller 16, the second carrying roller 17, the 3rd carrying roller
18th, outer ring 19, steel ball 20, inner ring 21, copper sheet 22, copper top cover 23, two-way memory alloy spring 24, copper base plate 25, cylinder
Shape outer cover 26, the first overtemperature detection unit 27, the second overtemperature detection unit 28, the 3rd overtemperature detection unit 29.
A kind of carrier roller of belt conveyer overtemperature detecting system, it includes some idler machinings, some overtemperature detection units and work
Control machine, the overtemperature detection unit is arranged on the idler machining, and passes through CAN transmission signal with industrial computer；
The idler machining includes two and with upper supporting roller；The quantity of the overtemperature detection unit is consistent with the quantity of carrying roller,
Each idler machining one group of overtemperature detection unit of correspondence；
The idler machining includes clutch shaft bearing 1, first support 4, second bearing 6,3rd bearing 9, second support 12, base
15th, the first carrying roller 16, the second carrying roller 17, the 3rd carrying roller 18, second carrying roller 17 are centrally located, and horizontal positioned is described
First carrying roller 16, the 3rd carrying roller 18, the both sides positioned at the second carrying roller 17, and symmetrical outwards upward direction inclination, support the first support
Roller 16, the first support 4 of the 3rd carrying roller 18, second support 12 are adapted with corresponding carrying roller, first support 4, second support 12
Bottom be all fixed on base 15；
The overtemperature detection unit includes the first overtemperature detection unit 27, the second overtemperature detection unit 28, the inspection of the 3rd overtemperature
Survey unit 29.
The industrial computer turns 232 and accesses CAN by CAN.
Preferably, one idler machining includes the first carrying roller 16,18 3 carrying rollers of the second carrying roller 17 and the 3rd carrying roller,
The first overtemperature detection unit 27, the second overtemperature detection unit 28 and the 3rd overtemperature detection unit 29 are corresponded to respectively, it is described the first to surpass
Warm detection unit 27, the second overtemperature detection unit 28 are identical with the structure of the 3rd overtemperature detection unit 29.
The first overtemperature detection unit 27 includes that the first overtemperature switchs the 2, second overtemperature switch 3, single-chip microcomputer and CAN
Transceiving chip；Second overtemperature detection unit 28 includes that the 3rd overtemperature switchs the 7, the 4th overtemperature switch 8, single-chip microcomputer and CAN is received
Hair chip；3rd overtemperature detection unit 29 includes that the 5th overtemperature switchs the 10, the 6th overtemperature switch 11, single-chip microcomputer and CAN is received
Hair chip.
First overtemperature switchs the 2, second overtemperature and switchs the 3, the 3rd overtemperature switch the 7, the 4th overtemperature the 8, the 5th overtemperature of switch
One end of the overtemperature switch 11 of switch 10 and the 6th is connected with the I/O of single-chip microcomputer, other end ground connection；Single-chip microcomputer passes through CAN
Transceiving chip accesses CAN.
The first overtemperature switch 2 and the second overtemperature switch 3 are arranged on clutch shaft bearing 1, the 3rd overtemperature switch 7 and the 4th
Overtemperature switch 8 is arranged in second bearing 6；5th overtemperature switchs the 10, the 6th overtemperature switch 11 and is arranged in 3rd bearing 9.
First overtemperature detection unit 27, the second overtemperature detection unit 28, the single-chip microcomputer and CAN of the 3rd overtemperature detection unit 29
Bus transceiving chip is individually enclosed in the first ceramic box 5, the second ceramic box 13 and the 3rd ceramic box 14；First ceramic box 5 is pacified
In first support 4, the second ceramic box 13 and the 3rd ceramic box 14 are arranged in second support 12.
The industrial computer sends query statement by CAN to single-chip microcomputer, and receives the data message of single-chip microcomputer return；
Single-chip microcomputer is received and processes the query statement of industrial computer transmission, and response message is returned by CAN transceiving chip；Single-chip microcomputer will
I/O states are packaged into data frame, send in real time to industrial computer.
The clutch shaft bearing 1 include outer ring 19, inner ring 21, the steel ball 20 between outer ring and inner ring, second bearing 6,
3rd bearing 9 is identical with the structure of clutch shaft bearing 1.
The first overtemperature switch 2 includes copper sheet 22, copper top cover 23, two-way memory alloy spring successively from top to bottom
24th, copper base plate 25, between the copper top cover 23 and copper base plate 25, the periphery of two-way memory alloy spring 24 be provided with cylinder
Shape outer cover 26, cylindrical outer cover 26 is connected with copper base plate 25；The copper sheet 22 and copper top cover 23 connect single-chip microcomputer respectively
I/O ports and ground；Two-way memory alloy spring 24 is placed in inside the cylindrical outer cover 26 being welded on copper base plate 25, one end with
Copper base plate 25 is connected, and the other end is connected with copper top cover 23；When ambient temperature rises to the phase of two-way memory alloy spring 24
Spring elongation during temperature, copper sheet 22 and copper top cover 23 are contacted, and the first overtemperature switch 2 is closed；The second overtemperature switch 3,
3rd overtemperature switchs the 7, the 4th overtemperature and switchs the 8, the 5th overtemperature the 10, the 6th overtemperature of switch switch 11 similarly.
Copper base plate 25 is pasted onto the first overtemperature switch 2 inner ring 21 of the first carrying roller 16 using high-temperature heat-conductive glue；
Second overtemperature switch 3 using high-temperature heat-conductive glue by copper base plate sticking the first carrying roller 16 inner ring 21；3rd overtemperature switchs 7 Hes
4th overtemperature switch 8 using high-temperature heat-conductive glue by copper base plate sticking the second carrying roller 17 inner ring；5th overtemperature switch 10, the
Six overtemperatures switch 11 is pasted onto the inner ring of the 3rd carrying roller 18 in the same way.
The single-chip microcomputer is STC15W408AS, and CAN transceiving chip is TJA1050.
The RS232 interfaces of the industrial computer are connected with CAN-232 converters, and CAN-232 converters access CAN；CAN
The CANH pins of bus transceiving chip TJA1050 connect the CANH holding wires of CAN, and the CANL pins of TJA1050 connect CAN
CANL holding wires, the Txd pins and Rxd pins of TJA1050 are connected with I/O mouthfuls of single-chip microcomputer.
The control method of above-mentioned carrier roller of belt conveyer overtemperature detecting system, comprises the following steps：
1. when ribbon conveyer brings into operation, carrying roller overtemperature detecting system is started, electricity in overtemperature detection unit, operator is led to
The man-machine interface for crossing industrial computer checks the warning message that the ruuning situation and carrying roller overtemperature detecting system of ribbon conveyer are pointed out.
2. in ribbon conveyer running, when the temperature of clutch shaft bearing 1 reaches 50 DEG C, the first overtemperature switch 2 is closed
Close, I/O states are packaged into number by the I/O ports input low level signal of the single-chip microcomputer being connected with the first overtemperature switch 2, single-chip microcomputer
According to frame, and sent to industrial computer, the man-machine interface display alarm information of industrial computer by CAN；
When the temperature of clutch shaft bearing 1 reaches 70 DEG C, the second overtemperature switch 3 is closed, the list being connected with the second overtemperature switch 3
The I/O ports input low level signal of piece machine, I/O states are packaged into data frame by single-chip microcomputer, and are sent to work by CAN
Control machine, industrial computer sends stop command, and ribbon conveyer is shut down；
When the temperature of second bearing 6 reaches 50 DEG C, the 3rd overtemperature switch 7 is closed, man-machine interface display alarm information；When
When the temperature of second bearing 6 reaches 70 DEG C, the 4th overtemperature switch 8 is closed, and industrial computer sends stop command, and ribbon conveyer stops
Machine；
When the temperature of 3rd bearing 9 reaches 50 DEG C, the 3rd overtemperature switch 7 is closed, the man-machine interface display report of industrial computer
Alert information；When the temperature of 3rd bearing 9 reaches 70 DEG C, the 4th overtemperature switch 8 is closed, and industrial computer sends stop command, belt
Conveyer is shut down；
3. industrial computer sends query statement by CAN every 1min to overtemperature detection unit, if not received in 5s
The response message of certain detection unit, points out the detection unit offline in man-machine interface.
The course of work of carrier roller of belt conveyer overtemperature detecting system is by taking the overtemperature of clutch shaft bearing 1 as an example, to work as belt conveying
When the failures such as carrying roller is stuck occurs in machine, belt causes belt and carrying roller temperature to raise with carrying roller continuous frictional, when the first carrying roller 16
When surface temperature rises to 120 DEG C or so, the temperature of clutch shaft bearing 1 reaches the phase transition temperature 50 of two-way memory alloy spring 24
DEG C, now two-way memory alloy spring 24 extends, and drives copper top cover 23 to move up so that copper top cover 23 connects with copper sheet 22
Touch, the first overtemperature switch 2 is closed, the I/O ports of the STC15W408AS single-chip microcomputers being connected with the first overtemperature switch 2 are input into low electricity
I/O states are packaged into data frame by ordinary mail number, single-chip microcomputer, and are sent to industrial computer, the man-machine interface of industrial computer by CAN
Display alarm information simultaneously points out abort situation；The phase transition temperature of the memory alloy spring of the second overtemperature switch 3 is 70 DEG C, when first
When the surface temperature of carrying roller 16 rises to 150 DEG C or so, the temperature of clutch shaft bearing 1 reaches 70 DEG C, the two-way note of the second overtemperature switch 3
Recall alloy spring elongation so that conductive top cover is contacted with conducting strip, the second overtemperature switch 3 is closed, be connected with the second overtemperature switch 3
STC15W408AS single-chip microcomputers I/O ports input low level signal, I/O states are packaged into data frame by single-chip microcomputer, and are passed through
CAN is sent to industrial computer, and industrial computer sends stop command, and ribbon conveyer stops in emergency；After failture evacuation, the first carrying roller
16 and the temperature of clutch shaft bearing 1 be down to normal temperature, two-way memory alloy spring is restored to the original state, and copper top cover and copper sheet are separated, overtemperature
Switch off.
The control method of carrier roller of belt conveyer overtemperature detecting system of the invention, comprises the following steps：
1. when ribbon conveyer brings into operation, carrying roller overtemperature detecting system, the man-machine boundary that operator passes through industrial computer are opened
The warning message of ruuning situation and carrying roller overtemperature the detecting system prompting of ribbon conveyer is checked in face.
2. in ribbon conveyer running, when the temperature of clutch shaft bearing 1 reaches 50 DEG C, two-way memory alloy spring
24 elongations, copper sheet 22 and copper top cover 23 are contacted, and the first overtemperature switch 2 is closed, and are connected with the first overtemperature switch 2
The I/O ports input low level signal of STC15W408AS single-chip microcomputers, I/O states are packaged into data frame by single-chip microcomputer, and are passed through
CAN is sent to industrial computer, the man-machine interface display alarm information of industrial computer.
When the temperature of clutch shaft bearing 1 reaches 70 DEG C, the two-way memory alloy spring elongation of the second overtemperature switch 3 is conductive
Piece and conductive top cover contact, the second overtemperature switch 3 are closed, the I/ of the STC15W408AS single-chip microcomputers being connected with the second overtemperature switch 3
I/O states are packaged into data frame by O port input low level signal, single-chip microcomputer, and are sent to industrial computer, work by CAN
Control machine sends stop command, and ribbon conveyer is shut down.
When the temperature of second bearing 6 reaches 50 DEG C, the 3rd overtemperature switch 7 is closed, the man-machine interface display report of industrial computer
Alert information；When the temperature of second bearing 6 reaches 70 DEG C, the 4th overtemperature switch 8 is closed, and industrial computer sends stop command, belt
Conveyer is shut down.
When the temperature of 3rd bearing 9 reaches 50 DEG C, the 3rd overtemperature switch 7 is closed, the man-machine interface display report of industrial computer
Alert information；When the temperature of 3rd bearing 9 reaches 70 DEG C, the 4th overtemperature switch 8 is closed, and industrial computer sends stop command, belt
Conveyer is shut down.
3. industrial computer sends query statement by CAN every 1min to overtemperature detection unit, if not received in 5s
The response message of certain overtemperature detection unit, then it is assumed that the detection unit offline, and points out the detection unit in man-machine interface
Offline corresponding information.
The course of work of carrier roller of belt conveyer overtemperature detecting system of the present invention is by taking the overtemperature of clutch shaft bearing 1 as an example, to work as band
When the failures such as carrying roller is stuck occurs in formula conveyer, belt causes belt and carrying roller temperature to raise with carrying roller continuous frictional, when first
When the surface temperature of carrying roller 16 rises to 120 DEG C or so, the temperature of clutch shaft bearing 1 reaches the phase alternating temperature of two-way memory alloy spring 24
50 DEG C are spent, now two-way memory alloy spring 24 extends, drive copper top cover 23 to move up so that copper top cover 23 and copper sheet
22 contacts, the first overtemperature switch 2 is closed, and the I/O ports of the STC15W408AS single-chip microcomputers being connected with the first overtemperature switch 2 are input into
I/O states are packaged into data frame by low level signal, single-chip microcomputer, and are sent to industrial computer by CAN, industrial computer it is man-machine
Interface display warning message simultaneously points out abort situation；The phase transition temperature of the memory alloy spring of the second overtemperature switch 3 is 70 DEG C, when
When the surface temperature of first carrying roller 16 rises to 150 DEG C or so, the temperature of clutch shaft bearing 1 reaches 70 DEG C, the second overtemperature switch 3 it is double
Extended to memory alloy spring so that conductive top cover is contacted with conducting strip, the second overtemperature switch 3 is closed, with the second overtemperature switch 3
I/O states are packaged into data frame by the I/O ports input low level signal of the STC15W408AS single-chip microcomputers of connection, single-chip microcomputer, and
Sent to industrial computer by CAN, industrial computer sends stop command, ribbon conveyer stops in emergency；After failture evacuation, first
The temperature of carrying roller 16 and clutch shaft bearing 1 is down to normal temperature, and two-way memory alloy spring is restored to the original state, and copper top cover and copper sheet are separated,
Overtemperature is switched off.Cause that belt temperature persistently raises the problem for easily triggering fire, and work because stuck present invention, avoiding carrying roller
Make stabilization, control accuracy high, with low cost.
Claims (10)
1. a kind of carrier roller of belt conveyer overtemperature detecting system, it is characterized in that, it includes that some idler machinings, the detection of some overtemperatures are single
Unit and industrial computer, the overtemperature detection unit are arranged on the idler machining, and pass through CAN transmission signal with industrial computer；
The idler machining includes two and with upper supporting roller；The quantity of the overtemperature detection unit is consistent with the quantity of carrying roller, each
Idler machining one group of overtemperature detection unit of correspondence.
2. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 1, it is characterized in that, the idler machining includes first
Bearing (1), first support (4), second bearing (6), 3rd bearing (9), second support (12), base (15), the first carrying roller
(16), the second carrying roller (17), the 3rd carrying roller (18), second carrying roller (17) are centrally located, horizontal positioned, described first
Carrying roller (16), the 3rd carrying roller (18), the both sides positioned at the second carrying roller (17), and symmetrical outwards upward direction inclination, support first
Carrying roller (16), the first support (4) of the 3rd carrying roller (18), second support (12) are adapted with corresponding carrying roller, first support
(4), (12 bottom is all fixed on base (15) second support；
The overtemperature detection unit includes the first overtemperature detection unit (27), the second overtemperature detection unit (28), the inspection of the 3rd overtemperature
Survey unit (29).
3. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 2, it is characterized in that, one idler machining includes
The first carrying roller (16), (18) three carrying rollers of the second carrying roller (17) and the 3rd carrying roller, respectively correspond to the first overtemperature detection unit
(27), the second overtemperature detection unit 28) and the 3rd overtemperature detection unit (29), the first overtemperature detection unit (27), second
Overtemperature detection unit (28) and the 3rd overtemperature detection unit (29) structure are all identical；
The first overtemperature detection unit (27) is total including the first overtemperature switch (2), the second overtemperature switch (3), single-chip microcomputer and CAN
Line transceiving chip；Second overtemperature detection unit (28) including the 3rd overtemperature switch (7), the 4th overtemperature switch (8), single-chip microcomputer and
CAN transceiving chip；3rd overtemperature detection unit (29) includes the 5th overtemperature switch (10), the 6th overtemperature switch (11), list
Piece machine and CAN transceiving chip；
First overtemperature switch (2), the second overtemperature switch (3), the 3rd overtemperature switch (7), the 4th overtemperature switch (8), the 5th
Overtemperature switchs (10) and one end of the 6th overtemperature switch (11) is connected with the I/O of single-chip microcomputer, other end ground connection；Single-chip microcomputer passes through
CAN transceiving chip accesses CAN；
First overtemperature switch (2) and the second overtemperature switch (3) are arranged on clutch shaft bearing (1), the 3rd overtemperature switch (7) and
4th overtemperature switch (8) is arranged in second bearing (6)；5th overtemperature switch (10), the 6th overtemperature switch (11) are arranged on the
On three bearings (9)；
First overtemperature detection unit (27), the second overtemperature detection unit (28), the single-chip microcomputer of the 3rd overtemperature detection unit (29) and
CAN transceiving chip is individually enclosed in the first ceramic box (5), the second ceramic box (13) and the 3rd ceramic box (14)；First
In first support (4), the second ceramic box (13) and the 3rd ceramic box (14) are installed in second support (12) for ceramic box (5)
On.
4. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 3, it is characterized in that, the industrial computer passes through CAN
Bus sends query statement to single-chip microcomputer, and receives the data message of single-chip microcomputer return；Single-chip microcomputer is received and processes industrial computer hair
The query statement for sending, response message is returned by CAN transceiving chip；I/O states are packaged into data frame by single-chip microcomputer, in real time
Send to industrial computer.
5. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 2, it is characterized in that, clutch shaft bearing (1) bag
Include outer ring (19), inner ring (21), the steel ball (20) between outer ring and inner ring, second bearing (6), 3rd bearing (9) and the
One bearing (1) structure is identical.
6. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 3, it is characterized in that, the first overtemperature switch
(2) copper sheet (22), copper top cover (23), two-way memory alloy spring (24), copper base plate (25), institute are included successively from top to bottom
State between copper top cover (23) and copper base plate (25), the periphery of two-way memory alloy spring (24) is provided with cylindrical outer cover
(26), cylindrical outer cover (26) is connected with copper base plate (25)；The copper sheet (22) and copper top cover (23) connect monolithic respectively
The I/O ports and ground of machine；Two-way memory alloy spring (24) is placed in the cylindrical outer cover (26) being welded on copper base plate (25)
Inside, one end is connected with copper base plate (25), and the other end is connected with copper top cover (23)；When ambient temperature rises to bidirectional memory
Spring elongation during the phase transition temperature of alloy spring (24), copper sheet (22) and copper top cover (23) are contacted, and the first overtemperature switch (2) is closed
Close；Second overtemperature switch (3), the 3rd overtemperature switch (7), the 4th overtemperature switch (8), the 5th overtemperature switch (10), the 6th
Overtemperature switch (11) is similarly.
7. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 6, it is characterized in that, the first overtemperature switch
(2) copper base plate (25) is pasted onto the inner ring (21) of the first carrying roller (16) using high-temperature heat-conductive glue；Second overtemperature switch (3) is adopted
With high-temperature heat-conductive glue by copper base plate sticking the first carrying roller (16) inner ring (21)；3rd overtemperature switchs (7) and the 4th overtemperature
Switch (8) using high-temperature heat-conductive glue by copper base plate sticking the second carrying roller (17) inner ring；5th overtemperature switch (10), the 6th
Overtemperature switch (11) is pasted onto the inner ring of the 3rd carrying roller (18) in the same way.
8. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 3, it is characterized in that, the single-chip microcomputer is
STC15W408AS, CAN transceiving chip is TJA1050.
9. carrier roller of belt conveyer overtemperature detecting system as claimed in claim 8, it is characterized in that, the RS232 interfaces of industrial computer
It is connected with CAN-232 converters, CAN-232 converters access CAN；The CANH pins of CAN transceiving chip TJA1050
The CANH holding wires of CAN are connect, the CANL pins of TJA1050 connect the CANL holding wires of CAN, the Txd pins of TJA1050
It is connected with I/O mouthfuls of single-chip microcomputer with Rxd pins.
10. the control method of carrier roller of belt conveyer overtemperature detecting system as claimed in claim 1, it is characterized in that, including with
Lower step：
1. when ribbon conveyer brings into operation, carrying roller overtemperature detecting system is started, electricity in overtemperature detection unit, operator passes through work
The man-machine interface of control machine checks the warning message of ruuning situation and carrying roller overtemperature the detecting system prompting of ribbon conveyer.
2. in ribbon conveyer running, when the temperature of clutch shaft bearing (1) reaches 50 DEG C, the first overtemperature switch (2) is closed
Close, be packaged into for I/O states by the I/O ports input low level signal of the single-chip microcomputer being connected with the first overtemperature switch (2), single-chip microcomputer
Data frame, and sent to industrial computer, the man-machine interface display alarm information of industrial computer by CAN；
When the temperature of clutch shaft bearing (1) reaches 70 DEG C, the second overtemperature switch (3) closure is connected with the second overtemperature switch (3)
I/O states are packaged into data frame by the I/O ports input low level signal of single-chip microcomputer, single-chip microcomputer, and by CAN send to
Industrial computer, industrial computer sends stop command, and ribbon conveyer is shut down；
When the temperature of second bearing (6) reaches 50 DEG C, the 3rd overtemperature switch (7) closure, man-machine interface display alarm information；When
When the temperature of second bearing (6) reaches 70 DEG C, the 4th overtemperature switch (8) closure, industrial computer sends stop command, ribbon conveyer
Shut down；
When the temperature of 3rd bearing (9) reaches 50 DEG C, the 3rd overtemperature switch (7) closure, the man-machine interface display report of industrial computer
Alert information；When the temperature of 3rd bearing (9) reaches 70 DEG C, the 4th overtemperature switch (8) closure, industrial computer sends stop command,
Ribbon conveyer is shut down；
3. industrial computer sends query statement by CAN every 1min to overtemperature detection unit, if not receiving certain in 5s
The response message of detection unit, points out the detection unit offline in man-machine interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611105549.2A CN106743300A (en) | 2016-12-05 | 2016-12-05 | Carrier roller of belt conveyer overtemperature detecting system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105549.2A CN106743300A (en) | 2016-12-05 | 2016-12-05 | Carrier roller of belt conveyer overtemperature detecting system and its control method |
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| CN106743300A true CN106743300A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN110420851A (en) * | 2019-07-18 | 2019-11-08 | 安徽云龙粮机有限公司 | A kind of environment-friendly type grain cleaning dust-extraction unit |
| CN113086546A (en) * | 2021-03-04 | 2021-07-09 | 中国矿业大学 | Belt conveyor intelligent carrier roller set with self-checking function |
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