Background technology
At present, the temperature detection of mining high voltage switch cabinet cable connection point is a stubborn problem.In actual applications; mining power supply is generally 10KV electric power system; and mining high voltage switch cabinet requires " five is anti-"; wherein crucial one is protection against electric shock; this just requires high-voltage cabinet door band interlock protection switch; when cabinet door is opened, high-voltage switch gear must trip, and causes the temperature detection of high-tension switch cabinet cable connection point to become the problem that is difficult to realization.Wherein, realize the detection of the temperature to cable connection point, just necessary power-off, this affects the normal operation of electric power system; If the not temperature of detection streamer tie point, just loosening due to connecting screw likely, causes that contact resistance increases the temperature of cable connection point is raise, thereby destroys cable insulation, when serious, can make cable fire on fire, has serious potential safety hazard.
In addition, if adopt the mode of the wired thermometric of temperature sensor still cannot solve the problem of high pressure isolation, can not realize equally the object of automatic temperature measurement.
Because the problem that above-mentioned existing system for detecting temperature exists, practical experience and the professional knowledge of the inventor based on being engaged in this type of product design manufacture and enriching for many years, and the utilization of cooperation scientific principle, actively research and innovation in addition, to founding a kind of system for detecting temperature of new structure, can solve the problem of existing existence, make it have more practicality.Through constantly research, design, and after repeatedly studying sample and improving, finally create the utility model having practical value.
Summary of the invention
The purpose of this utility model is that a kind of temperature detection wireless transmitting system is being provided, be applied to mining high voltage switch cabinet cable connection point, overcome the difficult point that the temperature of previous high-tension switch cabinet cable connection point cannot detect, realize robotization and the intellectuality of temperature detection simultaneously.
The purpose of this utility model and to solve its technical matters be to adopt following technical scheme to realize.A kind of temperature detection wireless transmitting system of the present utility model, is characterized in that comprising monitoring main website, multiple Monitor Sub-Station of Less and multiple radio temperature sensor group; This monitoring main website is connected with multiple Monitor Sub-Station of Less respectively, is connected with multiple radio temperature sensor groups and multiple Monitor Sub-Station of Less is corresponding respectively; This monitoring main website mainly comprises power module, RS485 communication module and gsm module; Each Monitor Sub-Station of Less comprises NRF24L01 wireless receiving module, STC12C5608AD one-chip computer module and MAX485 module, and STC12C5608AD one-chip computer module is connected with NRF24L01 wireless receiving module and MAX485 module respectively; Each radio temperature sensor group has multiple temperature sensors, be arranged on the tie point of high-tension switch cabinet cable, each temperature sensor is made up of STC12LE5608AD one-chip computer module, NRF24L01 wireless transmitter module and LML current transducer, and STC12LE5608AD one-chip computer module is connected with NRF24L01 wireless transmitter module and LML current transducer respectively.
By technique scheme, temperature detection wireless transmitting system of the present utility model at least has following advantages and beneficial effect:
1, by the utility model, realize the wireless transmission of temperature sensor signal, break the sensor signal restriction connecting of must connecting up, solved the problem that the temperature of mining high-voltage cabinet cable connection point cannot be measured, can reach the online detection of high-voltage board cable connection point temperature.
2, by the utility model, can realize robotization and the intellectuality of mining high-voltage cabinet cable connection point temperature detection, there is higher economic benefit and social benefit.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, and for above and other object of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to a kind of its embodiment of temperature detection wireless transmitting system, structure, feature and effect thereof according to the utility model proposes, be described in detail as follows.
Consulting shown in Fig. 1, is the block scheme of a kind of temperature detection wireless transmitting system of the present utility model; This temperature detection wireless transmitting system is applied to the cable connection point of high-tension switch cabinet, mainly comprises monitoring main website 1, multiple Monitor Sub-Station of Less 2 and multiple radio temperature sensor group 3.
This monitoring main website 1 is arranged in the control box of this temperature detection wireless transmitting system, and this monitoring main website 1 comprises power module, RS485 communication module and gsm module simultaneously; This monitoring main website 1 is connected with multiple Monitor Sub-Station of Less 2 respectively and communications exchange data with it.Wherein, between monitoring main website 1 and multiple Monitor Sub-Station of Less 2, adopt RS-485 industrial bus communication mode by RS485 communication module, communication distance can reach 1000 meters.In the present embodiment, this monitoring main website 1 can identify the numbering of temperature sensor automatically, whether the duty of automatic discrimination temperature sensor is normal, LCDs in this monitoring main website 1 shows each temperature value in real time simultaneously, and can realize overload alarm and preserve alarm logging (recording content is: year, month, day, hour, min, temperature sensor numbering, alarm temperature value), and provide the output of reporting to the police to control contact, pass through gsm module, when warning, can send alarming short message to operator on duty's mobile phone, while sending data, have the prompting of hummer sound.This power module provides energy for monitoring main website 1.
In the present embodiment, the plurality of Monitor Sub-Station of Less 2 specifically includes six Monitor Sub-Station of Less, i.e. the first Monitor Sub-Station of Less 21, the second Monitor Sub-Station of Less 22, the 3rd Monitor Sub-Station of Less 23, the 4th Monitor Sub-Station of Less 24, the 5th Monitor Sub-Station of Less 25 and the 6th Monitor Sub-Station of Less 26, wherein, these six Monitor Sub-Station of Less are arranged in the control box of temperature detection wireless transmitting system equally, and each Monitor Sub-Station of Less comprises NRF24L01 wireless receiving module, STC12C5608AD one-chip computer module and MAX485 module, they with monitoring main website 1 annexation as shown in Figure 2, monitor main website 1 respectively with NRF24L01 wireless receiving module, STC12C5608AD one-chip computer module and MAX485 module connect, STC12C5608AD one-chip computer module is connected with NRF24L01 wireless receiving module and MAX485 module simultaneously, also all be connected with power module, receive power supply.That is to say, this first Monitor Sub-Station of Less 21, the second Monitor Sub-Station of Less 22, the 3rd Monitor Sub-Station of Less 23, the 4th Monitor Sub-Station of Less 24, the 5th Monitor Sub-Station of Less 25 and the 6th Monitor Sub-Station of Less 26 are all connected with monitoring main website 1 and pass through with it MAX485 module communication swap data.
In the present embodiment, the plurality of radio temperature sensor group 3 specifically includes six radio temperature sensor groups, i.e. the first radio temperature sensor group 31, the second radio temperature sensor group 32, the 3rd radio temperature sensor group 33, the 4th radio temperature sensor group 34, the 5th radio temperature sensor group 35 and the 6th radio temperature sensor group 36, wherein, this first Monitor Sub-Station of Less 21 is by NRF24L01 wireless receiving module and the first radio temperature sensor group 31, the second Monitor Sub-Station of Less 22 is by NRF24L01 wireless receiving module and the second radio temperature sensor group 32, the 3rd Monitor Sub-Station of Less 23 is by NRF24L01 wireless receiving module and the 3rd radio temperature sensor group 33, the 4th Monitor Sub-Station of Less 24 is by NRF24L01 wireless receiving module and the 4th radio temperature sensor group 34, the 5th Monitor Sub-Station of Less 25 is connected in the mode of wireless transmission with the 6th radio temperature sensor group 36 and mutual communications exchange data by NRF24L01 wireless receiving module with the 5th radio temperature sensor group 35 and the 6th Monitor Sub-Station of Less 26 by NRF24L01 wireless receiving module.Between Monitor Sub-Station of Less and radio temperature sensor group, adopt wireless communication technology, communication distance can reach 50 meters.
Wherein, the 26S Proteasome Structure and Function of this first radio temperature sensor group 31, the second radio temperature sensor group 32, the 3rd radio temperature sensor group 33, the 4th radio temperature sensor group 34, the 5th radio temperature sensor group 35 and the 6th radio temperature sensor group 36 is all identical.
In addition, each radio temperature sensor group has six temperature sensors, is arranged on the tie point of high-tension switch cabinet cable the temperature of detection streamer tie point.It should be noted that the utility model does not limit the number of this temperature sensor, set according to actual demand, can comprise multiple temperature sensors.Each temperature sensor is by STC12LE5608AD one-chip computer module, NRF24L01 wireless transmitter module and LML current transducer composition, wherein the annexation of each ingredient as shown in Figure 3, STC12LE5608AD one-chip computer module, NRF24L01 wireless transmitter module and LML current transducer are all connected with power module, guarantee normal work, and STC12LE5608AD one-chip computer module is connected with NRF24L01 wireless transmitter module and LML current transducer respectively, this radio temperature sensor group is transmitted data with wireless transmission method to corresponding Monitor Sub-Station of Less by NRF24L01 wireless transmitter module.
In addition, the built-in power supply dry cell of each temperature sensor, antenna, communication distance can reach 50 meters, and it adopts wireless communication chips, and frequency of operation is 2.4GHz, auto answer, automatic Verification, can guarantee the accurate of data transmission.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.