CN201707575U - Mining remote-control intelligent explosion-proof switch - Google Patents
Mining remote-control intelligent explosion-proof switch Download PDFInfo
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- CN201707575U CN201707575U CN200920172602XU CN200920172602U CN201707575U CN 201707575 U CN201707575 U CN 201707575U CN 200920172602X U CN200920172602X U CN 200920172602XU CN 200920172602 U CN200920172602 U CN 200920172602U CN 201707575 U CN201707575 U CN 201707575U
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Abstract
A mining remote-control intelligent explosion-proof switch comprises a power supply conversion module, a central control module, a clock module, a display module, a keyboard module, an infrared receiving module, an RS485 communication module, a CAN communication module, an Ethernet communication module, a wireless receive module, a temperature detection module, a voltage detection module, a current detection module and an output module. By virtue of the intelligent control mode, the device is capable of real-time control, remote control and location control, thereby improving the control precision and efficiency, meeting the requirements for environmental protection, energy conservation, humanization and intelligence, and being extensively applicable to such occasions as power and coal mines that require feeding.
Description
Technical field
The utility model relates to person in electronics, a kind ofly specifically can carry out wireless remote control and infrared remote control kills my mining intelligent type flame-proof switch.
Background technology
The plain edition mine explosion-proof switch can only carry out simple interface demonstration and protection, and content displayed is more single, can not redeem data to the historical failure of switch and inquire about and preserve.Aspect data management and fault eliminating aspect cause very inconvenience, make managerial personnel and maintenance personal can not in time understand the duty and the failure condition of mine explosion-proof switch.
The utility model content
The technical problems to be solved in the utility model provides a kind of mining remote-controlled intelligent type flame-proof switch, and the DSP that adopts novel high-performance is as the control core, and power consumption reduces greatly, and processing speed increases substantially, and makes the device cost performance improve greatly.
For addressing the above problem, scheme of the present utility model is:
A kind of mining remote-controlled intelligent type flame-proof switch is made of jointly power transfer module, Central Control Module, clock module, display module, Keysheet module, infrared receiving module, RS485 communication module, CAN communication module, ethernet communication module, wireless receiving module, temperature detecting module, voltage detection module, current detection module and output module;
It is characterized in that: the Central Control Module circuit by 176 pin chip TMS 320 F 2812 (U1) single-chip microcomputers of high performance-price ratio DSP series as the main control core;
The input AC piezoelectric voltage of power transfer module (M0) can satisfy electric pressure 0～127V in the ore deposit respectively, power transfer module (M0) output has four the tunnel, output+36V respectively, + 12V, + 5V, the DC voltage of-5V, described+36V output provides electric-leakage detection circuit to add direct current, + 5V output divides three tunnel power supplies, first via wave circuit is after filtration given 1 of the first accurate Voltage stabilizing module, 1 of 2 pins and the second accurate Voltage stabilizing module, 2 pins, first, core processor TMS320F2812 (U1) single-chip microcomputer is given in the output of the second accurate Voltage stabilizing module respectively, clock module, Keysheet module, the second the tunnel through 1 of DC converter, 2 pins, 3 of DC converter, 4 pins are exported after filtration wave circuit and are given RS485 communication module and the power supply of CAN communication module, and Third Road is directly given display module, infrared receiving module, the ethernet communication module, temperature detecting module, the data acquisition module power supply;
Clock module adopts the common composition of special clock chip PCF8563 (U6), reserve battery (BT1) and oscillatory circuit (X2), 6,5 two pins of described chip PCF8563 (U6) link to each other with 71,72 two pins of core processor TMS320F2812 (U1), adopt the I2C bus to communicate, realization is read time and date, and reserve battery (BT1) still can guarantee that at device the data of time and calendar do not lose in the dead electricity;
Display module adopts 128*64 lattice type LCD display screen, control line 4,5,6,15,16,17 pins of display screen link to each other with 15,1,2,3,4,5,6,7 pins of core processor TMS320F2812 (U1) respectively, 11,12,14 of bus driver 74HC595 links to each other with 55,57,59 pins of TMS320F2812 (U1) respectively, adopts the SPI communication mode data presented to deliver on the display screen; Keysheet module mainly is made up of photoisolator and deserializer, the input of Keysheet module signal is connected respectively to photoisolator (OP8 ... OP19) 3 pins of the 1st pin by photoisolator connect and draw resistance to finish the conversion of level, photoisolator (OP8 ... OP19) the 3rd pin is received two parallel-to-serial converter 74HC165 (U26 respectively, U27) 6,5,4,3,14,13,12, on 11 pins, adopt the mode of cascade to realize the transmission (being the input of the output of prime) of data between two deserializers as the back level, the output signal of deserializer and control signal respectively with 92 of core processor TMS320F2812 (U1), 93,94 pins link to each other, and also adopt the spi bus mode to read keyboard data;
Infrared transceiver module is made of jointly infrared receiving terminal (H1), receiving tube (V1) and decoding chip BL9149 (U28), decoding chip (U28) is delivered to the input pin 1,3,5,9,11 of level conversion driver (U29) from 3,4,5,6,7 pins after the signal decoding that receives, the output of decoding chip (U28) is delivered to data on 95,98,101,102,104 pins of core processor TMS320F2812 (U1) by 2,4,6,8,10 pins, thus the identification distant control function;
It is core that the RS485 communication module mainly adopts MAX485 (U10) chip, core processor TMS320F2812 (U1) single-chip microcomputer is isolated to link to each other with 1,2,3,4 pins of MAX485 (U10) through optocouplers (OP5, OP6, OP7) by 90,91,116 pins and is received and launch data, the communication of realization data.It is core that the CAN communication module adopts PCA82C350 (IC3) chip, described core processor TMS320F2812 (U1) single-chip microcomputer is isolated to link to each other with 1,4 pins of PCA82C350 (IC3) through high speed photo couplings (IC1, IC2) by 87,89 pins and is received and launch data, the communication of realization data;
It is core devices that the ethernet communication module mainly adopts RT8019 (U11), carry out level conversion and isolation by level transferring chip SN74ALVC164245 (U23) between the data bus of its data bus and core processor TMS320F2812 (U1), address bus directly links to each other with the address bus of core processor TMS320F2812 (U1), realizes very easily sharing with the data transmission and the LAN (Local Area Network) internal data of host computer by simple RJ45 interface.It is core devices that wireless receiving module mainly adopts the nRF2401 chip, its dominant frequency is the transceiving chip of 2.4G, the distance of its transmission is outside hundred meters, core processor TMS320F2812 (U1) single-chip microcomputer is by 23,1,5,6,7,8 pins corresponding link to each other of 95,98,101,102,104,109 pins with nRF2401, it adopts spi bus to carry out write order and read data, to realize the function of wireless remote control;
Temperature detecting module mainly is made up of operational amplifier LM358 (U3) and temperature sensor PT100 (RT), and along with the variation of ambient temperature, the voltage signal of its output is sent into data acquisition module through behind the signal conversion circuit, realizes the collection of real time temperature data;
Voltage detection module and current detection module are mainly by high-speed synchronous digital to analog converter MAX125 (U22, U25) and operational amplifier LM2902 (U13, U14, U15, U16, U17, U18, U30, U31, U32) form, the output terminal of voltage transformer (VT) summation current transformer is received the input end of the amplifying circuit of being made up of operational amplifier self according to certain relation, the low-pass filter of the output terminal of amplifying circuit through constituting by operational amplifier self, low-pass filter DC level of output terminal stack, ambipolar alternating current is become unipolar d. c. voltage signal, then each unipolar voltage signal is delivered to high-speed synchronous digital to analog converter MAX125 (U22, U25) 1 of input end, 2,3,4,32,33,34,35 pins, its chip selection signal is to be deciphered by code translator 74HC138 generation by the low three bit address buses of core processor TMS320F2812 (U1) to obtain, the low three bit address buses of core processor TMS320F2812 (U1) respectively with 1 of 74HC138,2,3 pins link to each other, the output pin 15 of code translator 74HC138,14 receive two high-speed synchronous digital to analog converter MAX125 (U22 respectively, U25) on 26 pins, two high-speed synchronous digital to analog converter MAX125 (U22, U25) after interconnecting, 29 pins link to each other with 53 pins of core processor TMS320F2812 (U1) again, two high-speed synchronous digital to analog converter MAX125(U22, U25) 27,28 pins directly and core processor TMS320F2812 (U1) 42,84 pins link to each other respectively, two high-speed synchronous digital to analog converter MAX125 (U22, U25) output of data is by adding that between the data bus of data bus and core processor TMS320F2812 (U1) level transferring chip SN74ALVC164245 (U23) carries out level conversion and isolates output, so that realize three-phase voltage, three-phase current, residual voltage, zero-sequence current, system voltage, leak resistance, the collection of temperature data and failure judgment;
Output module mainly is made up of relay.Core processor TMS320F2812 (U1) judge break down after, directly output signal to output module and corresponding relays moved protect corresponding circuit, to reach the purpose of protection.
The beneficial effects of the utility model:
1, adopts the digital signal processing chip (DSP) of main flow, the protection quick action.
2, adopt main flow tcp/ip communication technology, make that the interface between mining remote-controlled intelligent type flame-proof switch and the supervisory control comuter is very convenient, without any need for equipment, and also very convenience of the data communication between device and the device and data sharing.
3, host computer can make that the duty of mining remote-controlled intelligent type flame-proof switch is revised by regulating intelligent control model.
Even 4, adopt wireless communication technology and Infrared Ray Remote Control Technology to make mining remote-controlled intelligent type flame-proof switch when the position that installation is unfavorable for operating, also can realize operation very easily to flame-proof switch.Simultaneously, operating personnel can be away from high pressure, and security has obtained further raising.
5, the technician can carry out the cryptoguard setting to main defencive function, prevents other people maloperation, causes switch motion.
6, switch self can and be preserved fault data type record, for fault analysis provides reference frame.
7, the user can optionally set protection according to the concrete condition at scene.
8, utilize the humiture detection technique work environment data of mining remote-controlled intelligent type flame-proof switch device can be passed to Surveillance center.
Description of drawings
Fig. 1 is the Central Control Module circuit diagram; Fig. 2 is the power transfer module circuit diagram;
Fig. 3 is the clock module circuit diagram; Fig. 4 is the display module circuit diagram;
Fig. 5 is the Keysheet module circuit diagram; Fig. 6 is the infrared transceiver module circuit diagram;
Fig. 7 is a RS485 communication module circuit diagram; Fig. 8 is a CAN communication module circuit diagram;
Fig. 9 is the ethernet communication module circuit diagram; Figure 10 is the wireless receiving module circuit diagram;
Figure 11 is the temperature detecting module circuit diagram; Figure 12 is voltage detecting and current detection module circuit diagram;
Figure 13 is the output module circuit diagram.
Embodiment
Shown in a kind of schematic diagram of mining remote-controlled intelligent type flame-proof switch, mining remote-controlled intelligent type flame-proof switch is made of jointly power transfer module, Central Control Module, clock module, display module, Keysheet module, infrared receiving module, RS485 communication module, CAN communication module, ethernet communication module, wireless receiving module, temperature detecting module, voltage detection module, current detection module and output module.
It is characterized in that: the Central Control Module circuit by 176 pin chip TMS 320 F 2812 (U1) single-chip microcomputers of high performance-price ratio DSP series as the main control core;
The input AC piezoelectric voltage of power transfer module (M0) can satisfy electric pressure 0～127V in the ore deposit respectively, power transfer module (M0) has output four tunnel, output+36V respectively, + 12V, + 5V, the DC voltage of-5V, + 36V output provides electric-leakage detection circuit to add direct current, + 5V output divides three tunnel power supplies, the first via is wave circuit (CP13 after filtration, CP14, CP15, CP16, CP17, CP18) give 1 of the first accurate Voltage stabilizing module (UPO), 1 of 2 pins and the second accurate Voltage stabilizing module (UP1), 2 pins, first, core processor TMS320F2812 (U1) single-chip microcomputer is given in the output of the second accurate Voltage stabilizing module respectively, clock module, Keysheet module, the second the tunnel through 1 of DC converter (M1), 2 pins, 3 of DC converter, 4 pins are exported wave circuit (CP27 after filtration, CP28) give the power supply of RS485 communication module and CAN communication module, Third Road is directly given display module, infrared receiving module, the ethernet communication module, temperature detecting module, the data acquisition module power supply;
Clock module adopts the common composition of special clock chip PCF8563 (U6), reserve battery (BT1) and oscillatory circuit (X2), 6,5 two pins of described chip PCF8563 (U6) link to each other with 71,72 two pins of core processor TMS320F2812 (U1), adopt the I2C bus to communicate, realization is read time and date, and reserve battery (BT1) still can guarantee that at device the data of time and calendar do not lose in the dead electricity;
Display module adopts 128*64 lattice type LCD display screen, control line 4,5,6,15,16,17 pins of display screen link to each other with 15,1,2,3,4,5,6,7 pins of core processor TMS320F2812 (U1) respectively, 11,12,14 of bus driver 74HC595 (U21) links to each other with 55,57,59 pins of TMS320F2812 (U1) respectively, adopts the SPI communication mode data presented to deliver on the display screen;
Keysheet module mainly is made up of photoisolator and deserializer, 3 pins of the 1st pin that the input of Keysheet module signal is connected respectively to photoisolator (OP8...OP19) by photoisolator connect and draw resistance to finish the conversion of level, the 3rd pin of photoisolator (OP8...OP19) is received two parallel-to-serial converter 74HC165 (U26 respectively, U27) 6,5,4,3,14,13,12, on 11 pins, adopt the mode of cascade to realize the transmission (being the input of the output of prime) of data between two deserializers as the back level, the output signal of deserializer and control signal respectively with 92 of core processor TMS320F2812 (U1), 93,94 pins link to each other, and also adopt the spi bus mode to read keyboard data;
Infrared transceiver module is made of jointly infrared receiving terminal (H1), receiving tube (V1) and decoding chip BL9149 (U28), decoding chip (U28) is delivered to the input pin 1,3,5,9,11 of level conversion driver (U29) from 3,4,5,6,7 pins after the signal decoding that receives, the output of decoding chip (U28) is delivered to data on 95,98,101,102,104 pins of core processor TMS320F2812 (U1) by 2,4,6,8,10 pins, thus the identification distant control function;
It is core that the RS485 communication module mainly adopts MAX485 (U10) chip, core processor TMS320F2812 (U1) single-chip microcomputer is isolated to link to each other with 1,2,3,4 pins of MAX485 (U10) through optocouplers (OP5, OP6, OP7) by 90,91,116 pins and is received and launch data, the communication of realization data;
It is core that the CAN communication module adopts PCA82C350 (IC3) chip, described core processor TMS320F2812 (U1) single-chip microcomputer is isolated to link to each other with 1,4 pins of PCA82C350 (IC3) through high speed photo couplings (IC1, IC2) by 87,89 pins and is received and launch data, the communication of realization data;
It is core devices that the ethernet communication module mainly adopts RT8019 (U11), carry out level conversion and isolation by level transferring chip SN74ALVC164245 (U23) between the data bus of its data bus and core processor TMS320F2812 (U1), address bus directly links to each other with the address bus of core processor TMS320F2812 (U1), realizes very easily sharing with the data transmission and the LAN (Local Area Network) internal data of host computer by simple RJ45 interface;
It is core devices that wireless receiving module mainly adopts the nRF2401 chip, its dominant frequency is the transceiving chip of 2.4G, the distance of its transmission is outside hundred meters, core processor TMS320F2812 (U1) single-chip microcomputer is by 23,1,5,6,7,8 pins corresponding link to each other of 95,98,101,102,104,109 pins with nRF2401, it adopts spi bus to carry out write order and read data, to realize the function of wireless remote control;
Temperature detecting module mainly is made up of operational amplifier LM358 (U3) and temperature sensor PT100 (RT), variation along with ambient temperature, send into data acquisition module behind the voltage signal process signal conversion circuit (R20, R21, R22, R23, R24) of its output, realize the collection of real time temperature data;
Voltage detection module and current detection module are mainly by high-speed synchronous digital to analog converter MAX125 (U22, U25) and operational amplifier LM2902 (U13, U14, U15, U16, U17, U18, U30, U31, U32) form, the output terminal of voltage transformer (VT) summation current transformer is received the input end of the amplifying circuit of being made up of operational amplifier self according to certain relation, the low-pass filter of the output terminal of amplifying circuit through constituting by operational amplifier self, low-pass filter DC level of output terminal stack, ambipolar alternating current is become unipolar d. c. voltage signal, then each unipolar voltage signal is delivered to high-speed synchronous digital to analog converter MAX125 (U22, U25) 1 of input end, 2,3,4,32,33,34,35 pins, its chip selection signal is the low three bit address bus (A0 by core processor TMS320F2812 (U1), A1, A2) producing decoding by code translator 74HC138 (U24) obtains, the low three bit address bus (A0 of core processor TMS320F2812 (U1), A1, A2) respectively with 1 of 74HC138 (U24), 2,3 pins link to each other, the output pin 15 of code translator 74HC138 (U24), 14 receive two high-speed synchronous digital to analog converter MAX125 (U22 respectively, U25) on 26 pins, two high-speed synchronous digital to analog converter MAX125 (U22, U25) after interconnecting, 29 pins link to each other with 53 pins of core processor TMS320F2812 (U1) again, two high-speed synchronous digital to analog converter MAX125 (U22, U25) 27,28 pins directly and core processor TMS320F2812 (U1) 42,84 pins link to each other respectively, two high-speed synchronous digital to analog converter MAX125 (U22, U25) output of data is by adding that between the data bus of data bus and core processor TMS320F2812 (U1) level transferring chip SN74ALVC164245 (U23) carries out level conversion and isolates output, so that realize three-phase voltage, three-phase current, residual voltage, zero-sequence current, system voltage, leak resistance, the collection of temperature data and failure judgment;
Output module mainly is made up of relay, core processor TMS320F2812 (U1) judge break down after, directly output signal to output module and corresponding relays moved protect corresponding circuit, to reach the purpose of protection.
Claims (1)
1. a mining remote-controlled intelligent type flame-proof switch is made of jointly power transfer module, Central Control Module, clock module, display module, Keysheet module, infrared receiving module, RS485 communication module, CAN communication module, ethernet communication module, wireless receiving module, temperature detecting module, voltage detection module, current detection module and output module;
It is characterized in that: described Central Control Module circuit by 176 pin chip TMS 320 F 2812 single-chip microcomputers of high performance-price ratio DSP series as the main control core;
The input AC piezoelectric voltage of described power transfer module (M0) can satisfy electric pressure 0～127V in the ore deposit respectively, its output has four the tunnel, output+36V respectively, + 12V, + 5V, the DC voltage of-5V, described+36V output provides electric-leakage detection circuit to add direct current, described+5V output divides three tunnel power supplies, described first via wave circuit is after filtration given 1 of the first accurate Voltage stabilizing module, 1 of 2 pins and the second accurate Voltage stabilizing module, 2 pins, described first, core processor TMS320F2812 (U1) single-chip microcomputer is given in the output of the second accurate Voltage stabilizing module respectively, clock module, Keysheet module, described the second the tunnel through 1 of DC converter, 2 pins, 3 of described DC converter, 4 pins are exported after filtration wave circuit and are given RS485 communication module and the power supply of CAN communication module, and described Third Road is directly given display module, infrared receiving module, the ethernet communication module, temperature detecting module, the data acquisition module power supply;
Described clock module is made of jointly special clock chip PCF8563 (U6), reserve battery (BT1) and oscillatory circuit (X2), 6,5 two pins of described chip PCF8563 (U6) link to each other with 71,72 two pins of core processor TMS320F2812 (U1), adopt I
2The C bus communicates, and realizes the reading of time and date, and described reserve battery (BT1) can guarantee still that in the device dead electricity data of time and calendar do not lose;
Described display module adopts 128*64 lattice type LCD display screen, control line 4,5,6,15,16,17 pins of described display screen link to each other with 15,1,2,3,4,5,6,7 pins of core processor TMS320F2812 (U1) respectively, 11,12,14 of described bus driver 74HC595 links to each other with 55,57,59 pins of TMS320F2812 (U1) respectively, adopts the SPI communication mode data presented to deliver on the display screen;
Described Keysheet module mainly is made up of photoisolator and deserializer, the input of described Keysheet module signal is connected respectively to photoisolator (OP8 ... OP19) 3 pins of the 1st pin by photoisolator connect and draw resistance to finish the conversion of level, described photoisolator (OP8 ... OP19) the 3rd pin is received two parallel-to-serial converter 74HC165 (U26 respectively, U27) 6,5,4,3,14,13,12, on 11 pins, the mode of employing cascade realizes the transmission of data between described two deserializers, the output signal of described deserializer and control signal respectively with 92 of core processor TMS320F2812 (U1), 93,94 pins link to each other, and also adopt the spi bus mode to read keyboard data;
Described infrared transceiver module is made of jointly infrared receiving terminal (H1), receiving tube (V1) and decoding chip BL9149 (U28), described decoding chip (U28) is delivered to the input pin 1,3,5,9,11 of level conversion driver (U29) from 3,4,5,6,7 pins after the signal decoding that receives, the output of described decoding chip (U28) is delivered to data on 95,98,101,102,104 pins of core processor TMS320F2812 (U1) by 2,4,6,8,10 pins, thus the identification distant control function;
It is core that described RS485 communication module mainly adopts MAX485 (U10) chip, described core processor TMS320F2812 (U1) single-chip microcomputer is isolated to link to each other with 1,2,3,4 pins of MAX485 (U10) through optocouplers (OP5, OP6, OP7) by 90,91,116 pins and is received and launch data, the communication of realization data;
It is core that described CAN communication module adopts PCA82C350 (IC3) chip, described core processor TMS320F2812 (U1) single-chip microcomputer is isolated to link to each other with 1,4 pins of PCA82C350 (IC3) through high speed photo couplings (IC1, IC2) by 87,89 pins and is received and launch data, the communication of realization data;
It is core devices that described ethernet communication module mainly adopts RT8019 (U11), carry out level conversion and isolation by level transferring chip SN74ALVC164245 (U23) between the data bus of the data bus of described RT8019 (U11) and core processor TMS320F2812 (U1), described address bus directly links to each other with the address bus of core processor TMS320F2812 (U1), realizes very easily sharing with the data transmission and the LAN (Local Area Network) internal data of host computer by simple RJ45 interface;
It is core devices that described wireless receiving module mainly adopts the nRF2401 chip, its dominant frequency is the transceiving chip of 2.4G, the distance of its transmission is outside hundred meters, described core processor TMS320F2812 (U1) single-chip microcomputer is by 23,1,5,6,7,8 pins corresponding link to each other of 95,98,101,102,104,109 pins with nRF2401, described nRF2401 chip adopts spi bus to carry out write order and read data, to realize the function of wireless remote control;
Described temperature detecting module mainly is made up of operational amplifier LM358 (U3) and temperature sensor PT100 (RT), variation along with ambient temperature, the voltage signal of described temperature sensor output is sent into data acquisition module through behind the signal conversion circuit, realizes the collection of real time temperature data;
Described voltage detection module and current detection module are mainly by high-speed synchronous digital to analog converter MAX125 (U22, U25) and operational amplifier LM2902 (U13, U14, U15, U16, U17, U18, U30, U31, U32) form, the output terminal of described voltage transformer (VT) summation current transformer is received the input end of the amplifying circuit of being made up of operational amplifier self, the low-pass filter of the output terminal of described amplifying circuit through constituting by operational amplifier self, low-pass filter DC level of output terminal stack, ambipolar alternating current is become unipolar d. c. voltage signal, then each unipolar voltage signal is delivered to high-speed synchronous digital to analog converter MAX125 (U22, U25) 1 of input end, 2,3,4,32,33,34,35 pins, described high-speed synchronous digital to analog converter MAX125 (U22, U25) chip selection signal is to be deciphered by code translator 74HC138 generation by the low three bit address buses of core processor TMS320F2812 (U1) to obtain, the low three bit address buses of described core processor TMS320F2812 (U1) respectively with 1 of 74HC138,2,3 pins link to each other, the output pin 15 of described code translator 74HC138,14 receive two high-speed synchronous digital to analog converter MAX125 (U22 respectively, U25) on 26 pins, described two high-speed synchronous digital to analog converter MAX125 (U22, U25) after interconnecting, 29 pins link to each other with 53 pins of core processor TMS320F2812 (U1) again, described two high-speed synchronous digital to analog converter MAX125 (U22, U25) 27,28 pins directly and core processor TMS320F2812 (U1) 42,84 pins link to each other respectively, described two high-speed synchronous digital to analog converter MAX125 (U22, U25) output of data is by adding that between the data bus of data bus and core processor TMS320F2812 (U1) level transferring chip SN74ALVC164245 (U23) carries out level conversion and isolates output;
Described output module mainly is made up of relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920172602XU CN201707575U (en) | 2009-06-15 | 2009-06-15 | Mining remote-control intelligent explosion-proof switch |
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| CN200920172602XU CN201707575U (en) | 2009-06-15 | 2009-06-15 | Mining remote-control intelligent explosion-proof switch |
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| CN201707575U true CN201707575U (en) | 2011-01-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564757A (en) * | 2018-06-29 | 2018-09-21 | 安徽理工大学 | A kind of mined flame-proof switch monitoring system |
| CN110362011A (en) * | 2019-07-17 | 2019-10-22 | 湖南联智桥隧技术有限公司 | The data acquisition box of integrated remote control switch |
| CN111522321A (en) * | 2020-06-23 | 2020-08-11 | 山西工程职业学院 | Intelligent electric controller based on WiFi technology |
| CN113791440A (en) * | 2021-08-25 | 2021-12-14 | 昆明理工大学 | Radiation monitoring equipment based on CPS |
-
2009
- 2009-06-15 CN CN200920172602XU patent/CN201707575U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564757A (en) * | 2018-06-29 | 2018-09-21 | 安徽理工大学 | A kind of mined flame-proof switch monitoring system |
| CN110362011A (en) * | 2019-07-17 | 2019-10-22 | 湖南联智桥隧技术有限公司 | The data acquisition box of integrated remote control switch |
| CN111522321A (en) * | 2020-06-23 | 2020-08-11 | 山西工程职业学院 | Intelligent electric controller based on WiFi technology |
| CN113791440A (en) * | 2021-08-25 | 2021-12-14 | 昆明理工大学 | Radiation monitoring equipment based on CPS |
| CN113791440B (en) * | 2021-08-25 | 2024-05-17 | 昆明理工大学 | CPS-based radiation monitoring equipment |
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