CN203959233U - The tension force wireless detecting system of slat conveyer round-link chain - Google Patents
The tension force wireless detecting system of slat conveyer round-link chain Download PDFInfo
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- CN203959233U CN203959233U CN201420394575.1U CN201420394575U CN203959233U CN 203959233 U CN203959233 U CN 203959233U CN 201420394575 U CN201420394575 U CN 201420394575U CN 203959233 U CN203959233 U CN 203959233U
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- 239000004065 semiconductor Substances 0.000 claims description 11
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- 230000005540 biological transmission Effects 0.000 description 5
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Abstract
The tension force wireless detecting system of the open slat conveyer round-link chain of the utility model, wherein round-link chain comprises multiple chain links, described chain link is made up of two sections of circular arcs and two sections of cylinders, and described tension force wireless detecting system comprises: tension measuring device, wireless base station apparatus and radio receiver; Described tension measuring device is arranged on the middle part of the cylindrical section of the chain link inner side of slat conveyer round-link chain, and described wireless base station apparatus is connected with described tension measuring device, and wireless base station apparatus is connected by network with radio receiver; The tension signal of described tension measuring device sensing round-link chain transfers to described wireless base station apparatus, and tension signal is transmitted through the network to described radio receiver by described wireless base station apparatus.
Description
Technical field
The utility model relates to mining industry technical field, is specifically related to the tension force wireless detecting system of slat conveyer round-link chain.
Background technology
Slat conveyer is the main production and transport equipment of coal-face under coal mine, round-link chain is indispensable part in slat conveyer, simultaneously also part the weakest in slat conveyer, the common scraper chain chain rupture of slat conveyer, jump chain or fall the faults such as chain all relevant to the tension force of slat conveyer round-link chain.
When slat conveyer is normally worked, round-link chain moves together with scraper plate in intermediate channel, and traditional line detecting method that has cannot detect the tension force of slat conveyer round-link chain in real time.
Utility model content
Technical problem to be solved in the utility model is that traditional line detecting method that has cannot detect the tension force of slat conveyer round-link chain in real time.
For this purpose, the tension force wireless detecting system that the utility model proposes slat conveyer round-link chain, wherein round-link chain comprises multiple chain links, and described chain link is made up of two sections of circular arcs and two sections of cylinders, it is characterized in that, this system comprises: tension measuring device, wireless base station apparatus and radio receiver;
Described tension measuring device is arranged on the middle part of the cylindrical section of the chain link inner side of slat conveyer round-link chain, and described wireless base station apparatus is connected with described tension measuring device, and wireless base station apparatus is connected by network with radio receiver;
The tension signal of described tension measuring device sensing round-link chain transfers to described wireless base station apparatus, and tension signal is transmitted through the network to described radio receiver by described wireless base station apparatus.
Preferably, this system comprises multiple described tension measuring devices, and a described tension measuring device is arranged on the middle part of the cylindrical section of a chain link inner side, the chain link of the default number in interval between adjacent tension measuring device.
Preferably, described tension measuring device is two pairs of semiconductor gauges, and described two pairs of semiconductor gauges are bonded in respectively the middle part of two cylindrical sections of the chain link inner side of slat conveyer round-link chain.
Preferably, this system further comprises sealing fixed housing, for sealing described wireless base station apparatus and described wireless base station apparatus being fixed on to the chain link middle inside of slat conveyer round-link chain.
Preferably, described wireless base station apparatus comprises nRF24LE1 chip.
Preferably, described radio receiver comprises nRF24L01 chip.
Preferably, described radio receiver is connected with CAN bus, and CAN bus turns ethernet gateway by CAN and is connected with ethernet, ethernet connection data storehouse, workspace server and monitoring and control centre;
Tension data is sent to data bank, workspace server and monitoring and control centre by described radio receiver.
Preferably, described radio receiver also comprises LPC1768 chip, described LPC1768 chip turns ethernet gateway by CAN bus transfer to CAN by tension data, and CAN turns ethernet gateway tension data is transferred to data bank, workspace server and monitoring and control centre by ethernet.
Preferably, described LPC1768 chip is sent to CAN bus by tension data from CAN bus driver interface PCA82C250 by CAN bus controller SJA1000.
Than prior art, the system that the utility model provides has following beneficial effect:
1, can detect in real time the tension force of round-link chain and by tension data transmission over radio, those skilled in the art can judges according to the tension data obtaining the tightness of scraper chain, thereby control the flexible of scraper conveyor tail, the normal work of guarantee scraper chain;
2,, by the tension force of monitoring and control centre Real-Time Monitoring scraper chain, can accurately judge chain rupture fault or prediction chain rupture fault.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows the tension force wireless detecting system constructional drawing of slat conveyer round-link chain;
Fig. 2 shows the scheme of installation of tension measuring device and wireless base station apparatus;
Fig. 3 shows the tension force wireless detecting system network topological diagram of slat conveyer round-link chain;
Fig. 4 shows the tension force wireless detecting system connection diagram of slat conveyer round-link chain.
Detailed description of the invention
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of tension force wireless detecting system of slat conveyer round-link chain, and wherein round-link chain comprises multiple chain links, and described chain link is made up of two sections of circular arcs and two sections of cylinders, and as shown in Figure 1, this system comprises:
Tension measuring device, for measuring the tension force of slat conveyer round-link chain, described tension measuring device is arranged on the middle part of the cylindrical section of the ring inner side of slat conveyer round-link chain;
Wireless base station apparatus, described wireless base station apparatus is connected with described tension measuring device, and described wireless base station apparatus is processed and wireless transmission for the tension data that tension measuring device is obtained;
Radio receiver, the tension data sending for receiving wireless base station apparatus.
In the utility model embodiment, as shown in Figure 2, described tension measuring device is two pairs of i.e. four semiconductor gauges (1), two pairs of semiconductor gauges (1) are bonded in respectively the middle part of two cylindrical sections of chain link (4) inner side of slat conveyer round-link chain, and described wireless base station apparatus (2) is sealed and be fixed on chain link (4) inner side of slat conveyer round-link chain by sealing fixed housing (3).
Four semiconductor gauges (1) in the utility model embodiment, can form a pair of for optional two semiconductor gauges (1), when bonding, a semiconductor gauge (1) transverse bonding, another semiconductor gauge (1) is longitudinally bonding, and two semiconductor gauges (1) are not connected mutually.
In the utility model embodiment, described wireless base station apparatus comprises:
Signal condition unit, for the measurement signal of tension measuring device is carried out to electric bridge amplification filtering, electric bridge can be selected electric balance;
Data processing transmitting element, for the signal of signal condition unit output is carried out to A/D conversion, modulates the signal after A/D conversion, and the signal wireless after modulation is sent to described radio receiver, and data processing transmitting element adopts nRF24LE1 chip.
In the utility model embodiment, described radio receiver carries out demodulation to the received signal, and the signal after demodulation is carried out to data processing, obtains tension data, and radio receiver comprises nRF24L01 chip.
In the utility model embodiment, the nRF24LE1 chip of data processing transmitting element only need gather a road analog signal, owing to carrying A/D converter in nRF24LE1 chip, and can support nearly 14 outside input channels and 2 inner input channels, therefore nRF24LE1 chip meets functional requirement, and tension measuring device is collecting after strain analog signal, the signal condition unit of wireless base station apparatus is converted to voltage signal by signal by electric balance, voltage signal transfers to the P1.0 analog input mouth of nRF24LE1 chip after default signal conditioning circuit conditioning, voltage signal after conditioning is launched by the wireless transmission part of nRF24LE1 core Embedded after the AD converter in nRF24LE1 chip converts digital signal to.
NRF24LE1 chip has merged up-to-date wireless and super low-power consumption technology, 2.4GHz transmission over radio, built-in enhancement mode 51Flash high-speed microprocessor and enrich wireless system for transmitting data that peripheral hardware and interface makes to build taking this chip as core and have that circuit is simple, cost is low, speed is high and transmit the advantages such as far away.
Radio receiver is connected with CAN bus, and CAN bus turns ethernet gateway by CAN and is connected with ethernet, and ethernet connection data storehouse, workspace server and monitoring and control centre as shown in Figure 3, can comprise multiple radio receivers; Tension data is sent to data bank, workspace server and monitoring and control centre by radio receiver.
The tension force wireless detecting system connection diagram of the slat conveyer round-link chain of the utility model embodiment as shown in Figure 4.
In the utility model embodiment, nRF24L01 chip in radio receiver is used for receiving wireless signal, described radio receiver also comprises LPC1768 chip, described LPC1768 chip turns ethernet gateway by CAN bus transfer to CAN by tension data, and CAN turns ethernet gateway tension data is transferred to data bank, workspace server and monitoring and control centre by ethernet.
LPC1768 chip is 16/32 risc microcontroller of high performance-cost ratio, and communication module is powerful.In radio receiver, adding LPC1768 chip, is mainly to consider the advantages such as arm processor can be processed a lot of complicated events, and the little cost of power consumption is low, and performance is efficient.
Described LPC1768 chip is sent to CAN bus by tension data from CAN bus driver interface PCA82C250 by CAN bus controller SJA1000, the data that LPC1768 chip will send are sent to CAN bus controller SJA1000, by the TXD pin of CAN bus driver interface PCA83C250, signal are sent from CANH and CANL; If while receiving data-signal from CAN bus, will pass through RXD pin, then deliver to LPC1768 chip through CAN bus controller SJA1000 and process.
In sum, the tension force wireless detecting system of the slat conveyer round-link chain that the utility model provides, on the one hand can detect in real time the tension force of round-link chain and by tension data transmission over radio, those skilled in the art can judge according to the tension data obtaining the tightness of scraper chain, thereby control the flexible of scraper conveyor tail, ensure the normal work of scraper chain; By the tension force of monitoring and control centre Real-Time Monitoring scraper chain, can accurately judge chain rupture fault or prediction chain rupture fault on the other hand.
Although described by reference to the accompanying drawings embodiment of the present utility model, but those skilled in the art can make various modifications and variations in the situation that not departing from spirit and scope of the present utility model, and such amendment and modification all fall into by within claims limited range.
Claims (9)
1. the tension force wireless detecting system of slat conveyer round-link chain, it is characterized in that, wherein round-link chain comprises multiple chain links, and described chain link is made up of two sections of circular arcs and two sections of cylinders, and described tension force wireless detecting system comprises: tension measuring device, wireless base station apparatus and radio receiver;
Described tension measuring device is arranged on the middle part of the cylindrical section of the chain link inner side of slat conveyer round-link chain, and described wireless base station apparatus is connected with described tension measuring device, and wireless base station apparatus is connected by network with radio receiver;
The tension signal of described tension measuring device sensing round-link chain transfers to described wireless base station apparatus, and tension signal is transmitted through the network to described radio receiver by described wireless base station apparatus.
2. tension force wireless detecting system according to claim 1, it is characterized in that, this system comprises multiple described tension measuring devices, and a described tension measuring device is arranged on the middle part of the cylindrical section of a chain link inner side, the chain link of the default number in interval between adjacent tension measuring device.
3. system according to claim 1 and 2, is characterized in that, described tension measuring device is two pairs of semiconductor gauges, and described two pairs of semiconductor gauges are bonded in respectively the middle part of two cylindrical sections of the chain link inner side of slat conveyer round-link chain.
4. system according to claim 3, is further characterized in that, this system further comprises sealing fixed housing, for sealing described wireless base station apparatus and described wireless base station apparatus being fixed on to the chain link middle inside of slat conveyer round-link chain.
5. system according to claim 1, is characterized in that, described wireless base station apparatus comprises nRF24LE1 chip.
6. system according to claim 1, is characterized in that, described radio receiver comprises nRF24L01 chip.
7. system according to claim 1, is characterized in that, described radio receiver is connected with CAN bus, and CAN bus turns ethernet gateway by CAN and is connected with ethernet, ethernet connection data storehouse, workspace server and monitoring and control centre;
Tension data is sent to data bank, workspace server and monitoring and control centre by described radio receiver.
8. system according to claim 6, it is characterized in that, described radio receiver also comprises LPC1768 chip, described LPC1768 chip turns ethernet gateway by CAN bus transfer to CAN by tension data, and CAN turns ethernet gateway tension data is transferred to data bank, workspace server and monitoring and control centre by ethernet.
9. system according to claim 8, is characterized in that, described LPC1768 chip is sent to CAN bus by tension data from CAN bus driver interface PCA82C250 by CAN bus controller SJA1000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394575.1U CN203959233U (en) | 2014-07-16 | 2014-07-16 | The tension force wireless detecting system of slat conveyer round-link chain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420394575.1U CN203959233U (en) | 2014-07-16 | 2014-07-16 | The tension force wireless detecting system of slat conveyer round-link chain |
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| CN203959233U true CN203959233U (en) | 2014-11-26 |
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| CN201420394575.1U Expired - Fee Related CN203959233U (en) | 2014-07-16 | 2014-07-16 | The tension force wireless detecting system of slat conveyer round-link chain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150188A (en) * | 2014-07-16 | 2014-11-19 | 中国矿业大学(北京) | Tension wireless detecting system for round-link chain of scraper conveyor |
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2014
- 2014-07-16 CN CN201420394575.1U patent/CN203959233U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150188A (en) * | 2014-07-16 | 2014-11-19 | 中国矿业大学(北京) | Tension wireless detecting system for round-link chain of scraper conveyor |
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