CN205081451U - Colliery relay protection definite value wireless transmission device based on zigBee - Google Patents
Colliery relay protection definite value wireless transmission device based on zigBee Download PDFInfo
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- CN205081451U CN205081451U CN201520808578.XU CN201520808578U CN205081451U CN 205081451 U CN205081451 U CN 205081451U CN 201520808578 U CN201520808578 U CN 201520808578U CN 205081451 U CN205081451 U CN 205081451U
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- colliery
- zigbee
- relay protection
- constant value
- radio transmitting
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Abstract
The utility model provides a colliery relay protection definite value wireless transmission device based on zigBee, contain the host computer end, communication unit and protector unit, the host computer hand ladle contains a host computer and a photoelectric conversion device, communication unit contains the DSP controller, the 2nd photoelectric conversion device and wireless transmitting module, the protector unit contains central processing unit, the wireless receiving module, a memory, keying circuit, display circuit and warning circuit, host computer end and communication unit carry out signal transmission through the fiber connection, communication unit and protector unit carry out signal transmission through zigBee wireless network. The utility model discloses a zigBee wireless sensor network replaces mining cable communication, and its characteristics are that simple to operate, reliability are high, low -cost, the network capaciy is big.
Description
Technical field
The utility model is specifically related to the colliery relay protection constant value radio transmitting device based on ZigBee, belongs to field of relay protection in power.
Background technology
Current, the coal production of China progressively achieve electrification, protective relaying device is a kind of automatics tried to avert accidents in underground power supply system, is to ensure the indispensable visual plant of power system security reliability service.When there is ground connection and short trouble in certain in electric power system; or when irregular operating produces harmful effect to the other parts of system; protective relaying device accurately can detect abnormal state rapidly; send instruction or signal; this part is excised from system; or operator on duty is taken the necessary measures, avoid the further deterioration of accident.
Traditional Coal Mine Communication link is structured on the basis of wire cable communication, and hardware input cost, operating cost and maintenance cost all can be very high.And the continuous progress of technology of wireless sensing network, for solving the condition that traditional drawback provides new.A new generation's ZigBee technology of wireless sensing network, with its low cost, low-power consumption, the advantage such as network capacity is large, networking self adaptation is strong, is widely used in each industrial occasions; Be applied to by ZigBee technology in the relay protection constant value system of colliery, can greatly strengthen system reliability and flexibility, have easy for installation, reliability is high, low cost and other advantages.
Summary of the invention
In order to meet the rapidity of colliery relaying protection, reliability and fail safe; the utility model provides a kind of colliery relay protection constant value radio transmitting device adopting ZigBee wireless-transmission network; this device is applicable to underground coal mine, and has the advantages that cost is low, easy for installation, transfer of data meets reliably, again safety of coal mines code requirement.
Colliery relay protection constant value radio transmitting device based on ZigBee of the present utility model, mainly includes upper computer end, communication unit and protector unit, as shown in Figure 1; Wherein upper computer end and communication unit carry out Signal transmissions by Fiber connection, and communication unit and protector unit carry out Signal transmissions by ZigBee wireless network.
Further, described upper computer end comprises host computer and the first photoelectric conversion device, and host computer connects the first photoelectric conversion device.
Described communication unit comprises dsp controller, the second photoelectric conversion device and wireless transmitter module, and the second photoelectric conversion device connects dsp controller, and dsp controller output connects wireless transmitter module.
Described protector unit comprises central processing unit, wireless receiving module, memory, button, display circuit and warning circuit; wireless receiving module connects central processing unit; central processing unit connects warning circuit; central processing unit connects display module; button connects central processing unit, and central processing unit is connected storage also.
The first photoelectric conversion device described in accompanying drawing 2 comprises the transcoder, the first level translator and the fiber optic transmitter that are connected successively.
Described second photoelectric conversion device described in accompanying drawing 3 comprises the fiber optic receiver, second electrical level transducer and the Rcv decoder that are connected successively.
As preferably, dsp controller adopts TMS320c62xx type dsp processor.
As preferably, warning circuit adopts sound light alarming circuit.
As preferably, ZigBee wireless transmitter module and wireless receiving module adopt MC13224 chip.
As preferably, central processing unit adopts ARM7TDMI chip.
As preferably, memory adopts the DS2432 chip based on EEPROM.
The beneficial effects of the utility model: adopt ZigBee wireless communication technology when carrying out colliery transfer of data, wireless device signal transmission can be used, decrease fund input and the construction period of line construction, and can effectively solve because be subject to the impact of underground site adverse circumstances, the system communication fault caused hinders the effectively transmission fast of information, wire communication mode can be solved well simultaneously and connect up that difficulty is large, cost is high, the problem of not easy care and upgrading, there is higher networking flexibility and transmission reliability; The information of communication unit, by optical fiber transmission signal, effectively can avoid the electromagnetic interference of down-hole.
When using the utility model, definite value in host computer is sent into the first photoelectric conversion device, signal is exported to the first level translator carry out level conversion via transcoder by the first photoelectric conversion device, level signal after conversion converts input optical fibre after light signal to through fiber optic transmitter and prepares to transmit data, fiber optic receiver in second photoelectric conversion device of communication unit converts the light signal of input to the signal of telecommunication and inputs to second electrical level transducer, and then convert the signal of telecommunication of input to common level signal, and this common level signal is inputed to Rcv decoder feeding dsp controller, this signal is launched by wireless transmitter module by dsp controller, transmitted by ZigBee wireless network, after wireless receiving module in protector unit receives signal, send into central processing unit, central processing unit processes then stored in memory to signal, the relay protection constant value stored in memory can be inquired about by key circuit, Query Result can show in display module, when circuit is short-circuited, when short-circuit current value can exceed the definite value pre-set, the central processing unit of protector unit drives warning circuit to report to the police.
Accompanying drawing explanation
Fig. 1 is the system principle diagram of transmitting device; Fig. 2 is the first photoelectric conversion device; Fig. 3 is the second photoelectric conversion device.
Embodiment
The colliery relay protection constant value radio transmitting device system principle diagram based on ZigBee shown in accompanying drawing 1, include upper computer end, communication unit and protector unit, upper computer end and communication unit carry out Signal transmissions by Fiber connection, and communication unit and protector unit carry out Signal transmissions by ZigBee wireless network; Described upper computer end comprises host computer and the first photoelectric conversion device, and host computer connects the first photoelectric conversion device; Described communication unit comprises dsp controller, the second photoelectric conversion device and wireless transmitter module, and the second photoelectric conversion device connects dsp controller, and dsp controller output connects wireless transmitter module; Described protector unit comprises central processing unit, wireless receiving module, memory, key circuit, display circuit and warning circuit; wireless receiving module connects central processing unit; central processing unit connects warning circuit; central processing unit connects display module; button connects central processing unit, and central processing unit is connected storage also.
Further, the first photoelectric conversion device described in accompanying drawing 2 comprises the transcoder, the first level translator and the fiber optic transmitter that are connected successively.The second photoelectric conversion device described in accompanying drawing 3 comprises the fiber optic receiver, second electrical level transducer and the Rcv decoder that are connected successively.
As preferably, dsp controller adopts TMS320c62xx type dsp processor.
As preferably, warning circuit adopts sound light alarming circuit.
As preferably, ZigBee wireless transmitter module and wireless receiving module adopt MC13224 chip.
As preferably, central processing unit adopts ARM7TDMI chip.
As preferably, memory adopts the DS2432 chip based on EEPROM.
The beneficial effects of the utility model: adopt ZigBee wireless communication technology when carrying out colliery transfer of data, wireless device signal transmission can be used, decrease fund input and the construction period of line construction, and can effectively solve because be subject to the impact of underground site adverse circumstances, the system communication fault caused hinders the effectively transmission fast of information, wire communication mode can be solved well simultaneously and connect up that difficulty is large, cost is high, the problem of not easy care and upgrading, there is higher networking flexibility and transmission reliability; The information of communication unit, by optical fiber transmission signal, effectively can avoid the electromagnetic interference of down-hole.
When using the utility model, definite value in host computer is sent into the first photoelectric conversion device, signal is exported to the first level translator carry out level conversion via transcoder by the first photoelectric conversion device, level signal after conversion converts input optical fibre after light signal to through fiber optic transmitter and prepares to transmit data, fiber optic receiver in second photoelectric conversion device of communication unit converts the light signal of input to the signal of telecommunication and inputs to second electrical level transducer, and then convert the signal of telecommunication of input to common level signal, and this common level signal is inputed to Rcv decoder feeding dsp controller, this signal is launched by wireless transmitter module by dsp controller, transmitted by ZigBee wireless network, after wireless receiving module in protector unit receives signal, send into central processing unit, central processing unit processes then stored in memory to signal, the relay protection constant value stored in memory can be inquired about by button, Query Result can show in display module, when protector unit detects that present current value exceedes the definite value pre-set, warning circuit is driven to report to the police.
Embodiment recited above is just described preferred implementation of the present utility model, not departing under design premises of the present utility model, to the improvement that the technical solution of the utility model is made, all belongs to protection range of the present utility model.
Claims (12)
1. based on the colliery relay protection constant value radio transmitting device of ZigBee; it is characterized in that: contain upper computer end; communication unit and protector unit; wherein upper computer end and communication unit carry out Signal transmissions by Fiber connection, and communication unit and protector unit carry out Signal transmissions by ZigBee wireless network.
2. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 1, is characterized in that: described upper computer end comprises host computer and the first photoelectric conversion device, and host computer connects the first photoelectric conversion device.
3. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 1; it is characterized in that: described communication unit comprises dsp controller, the second photoelectric conversion device and wireless transmitter module; second photoelectric conversion device connects dsp controller, and dsp controller output connects wireless transmitter module.
4. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 1; it is characterized in that: described protector unit comprises central processing unit, wireless receiving module, memory, button, display circuit and warning circuit; wireless receiving module connects central processing unit; central processing unit connects warning circuit; central processing unit connects display module; button connects central processing unit, and central processing unit is connected storage also.
5. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 2, is characterized in that: described first photoelectric conversion device comprises the transcoder, the first level translator and the fiber optic transmitter that are connected successively.
6. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 3, is characterized in that: described second photoelectric conversion device comprises the fiber optic receiver, second electrical level transducer and the Rcv decoder that are connected successively.
7. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 3, is characterized in that: as preferably, and dsp controller adopts TMS320C62xx type dsp processor.
8. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 3, is characterized in that: as preferably, and ZigBee wireless transmitter module adopts the MC13224 chip of TI company.
9. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 4, is characterized in that: described warning circuit adopts sound light alarming circuit.
10. the colliery relay protection constant value radio transmitting device based on ZigBee according to claim 4, is characterized in that: as preferably, and ZigBee wireless receiving module adopts the MC13224 chip of TI company.
The 11. colliery relay protection constant value radio transmitting devices based on ZigBee according to claim 4, is characterized in that: as preferably, and central processing unit adopts ARM7TDMI chip.
The 12. colliery relay protection constant value radio transmitting devices based on ZigBee according to claim 4, is characterized in that: memory adopts the DS2432 chip based on EEPROM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808578.XU CN205081451U (en) | 2015-10-20 | 2015-10-20 | Colliery relay protection definite value wireless transmission device based on zigBee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808578.XU CN205081451U (en) | 2015-10-20 | 2015-10-20 | Colliery relay protection definite value wireless transmission device based on zigBee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081451U true CN205081451U (en) | 2016-03-09 |
Family
ID=55433827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520808578.XU Expired - Fee Related CN205081451U (en) | 2015-10-20 | 2015-10-20 | Colliery relay protection definite value wireless transmission device based on zigBee |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081451U (en) |
-
2015
- 2015-10-20 CN CN201520808578.XU patent/CN205081451U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20191020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |