CN205247590U - Colliery relay protection definite value wireless transmission system based on WLAN - Google Patents
Colliery relay protection definite value wireless transmission system based on WLAN Download PDFInfo
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- CN205247590U CN205247590U CN201520865888.5U CN201520865888U CN205247590U CN 205247590 U CN205247590 U CN 205247590U CN 201520865888 U CN201520865888 U CN 201520865888U CN 205247590 U CN205247590 U CN 205247590U
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Abstract
The utility model provides a colliery relay protection definite value wireless transmission system based on WLAN, the host computer end has been contained, communication unit, communication base station and protector unit, the host computer hand ladle contains host computer and transmission encoder, communication unit contains the receipt decoder, DSP controller and wireless transmitting module, this ann of KT395 -F communication substation is chooseed for use to the communication base station, the protector unit contains central processing unit, the wireless receiving module, a memory, the button, display module and warning circuit, host computer end and communication unit are through coaxial cable connection carrying on signal transmission, communication unit, communication base station and protector unit carry out signal transmission through WLAN wireless network. The utility model discloses a WLAN technique replaces traditional mining cable communication, can effectively avoid the influence of complex environment in the pit, can strengthen the reliability and the security of system.
Description
Technical field
The utility model is specifically related to the colliery relay protection constant value wireless transmitting system based on WLAN, belongs to field of relay protection in power.
Background technology
Protective relaying device is a kind of automatics trying to avert accidents in underground power supply system, is to ensure the indispensable visual plant of power system security reliability service. In the time there is ground connection and short trouble in certain in power system; or when irregular operating produces harmful effect to the other parts of system; protective relaying device can accurately detect rapidly abnormal state; send instruction or signal; this part is excised from system, avoid the further deterioration of accident. But under coal mine, high-voltage switch gear state is carried out to Real-Time Monitoring, communication link is easy to be subject to the impact of its complex environment, make monitoring range narrow, can not adapt to the safety in production requirement of In Modern Mine, and radio network technique WLAN the condition that provides that addresses this problem is provided; WLAN utilizes radio-frequency technique; use electromagnetic wave; replace wired local area network, communicate connection aloft, with its flexibility and mobility; be convenient to install; be easy to the advantages such as expansion and be widely used in the fields such as productive life, WLAN technology is applied in the relay protection constant value wireless transmitting system of colliery, can strengthen reliability, flexibility and the security of system; and easy for installation, cost is low.
Summary of the invention
In order to meet rapidity, reliability and the security of colliery relay protection, the utility model provides a kind of employing WLAN wireless-transmission network, meets the colliery relay protection constant value wireless transmitting system of safety of coal mines code requirement.
Colliery relay protection constant value wireless transmitting system based on WLAN of the present utility model; upper computer end, communication unit, communication base station and protector unit are mainly comprised; wherein upper computer end is connected and is carried out signal transmission by coaxial cable with communication unit, and communication unit, communication base station and protector unit carry out signal transmission by WLAN wireless network.
Further, described upper computer end comprises host computer and transcoder, and host computer connects transcoder.
Described communication unit comprises Rcv decoder, dsp controller and wireless transmitter module, and Rcv decoder connects dsp controller, and dsp controller output connects wireless transmitter module; Described dsp controller adopts DSP16A type dsp processor; Described wireless transmitter module adopts GC200-512 wireless controller.
Described communication base station is selected KT395-F intrinsic safety communication sub-station.
Described protector unit comprises central processing unit, wireless receiving module, memory, button, display module 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, the two-way connected storage of central processing unit; Described warning circuit adopts sound light alarming circuit; Described wireless receiving module adopts GC200-512 wireless controller; Described central processing unit adopts ARM922T chip; Described memory adopts the 2864A chip based on EEPROM.
The beneficial effects of the utility model: adopt WLAN wireless communication technology in the time carrying out colliery transfer of data, can use wireless device signal transmission, fund input and the construction period of line construction are reduced, and can effectively solve because be subject to the impact of the on-the-spot adverse circumstances in down-hole, the system communication fault causing hinders the effectively transmission fast of information, can solve well that wire communication mode connects up that difficulty is large, cost is high, the problem of easy care and upgrading not simultaneously, there is higher networking flexibility and transmission reliability.
In the time using the utility model, in upper computer end, the definite value in host computer is sent into transcoder, the Rcv decoder of communication unit receives the signal from upper computer end transcoder, and the data that receive are sent into dsp controller, dsp controller is launched these data by wireless transmitter module, communication base station is received the wireless receiving module that these data is sent to after data to protector unit, after wireless receiving module in protector unit receives signal, send into central processing unit, central processing unit is processed and is then deposited memory in signal, can inquire about the relay protection constant value being stored in memory by button, Query Result can show in display module, in the time that circuit is short-circuited, when short-circuit current value can exceed the definite value setting in advance, the central processing unit of protector unit drives warning circuit to report to the police.
Brief description of the drawings
Fig. 1 is colliery relay protection constant value wireless transmitting system schematic diagram.
Detailed description of the invention
The colliery relay protection constant value wireless transmitting system schematic diagram based on WLAN shown in accompanying drawing 1, upper computer end, communication unit, communication base station and protector unit are comprised, upper computer end is connected and is carried out signal transmission by coaxial cable with communication unit, and communication unit, communication base station and protector unit carry out signal transmission by WLAN wireless network; Described upper computer end comprises host computer and transcoder, and host computer connects transcoder; Described communication unit comprises Rcv decoder, dsp controller and wireless transmitter module, and Rcv decoder connects dsp controller, and dsp controller output connects wireless transmitter module; Described protector unit comprises central processing unit, wireless receiving module, memory, button, display module 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, the two-way connected storage of central processing unit.
As preferably, the dsp controller of communication unit adopts DSP16A type dsp processor; The wireless transmitter module of communication unit adopts GC200-512 wireless controller.
The warning circuit of protector unit adopts sound light alarming circuit; The wireless receiving module of protector unit adopts GC200-512 wireless controller; The central processing unit of protector unit adopts ARM922T chip. The memory of protector unit adopts the 2864A chip based on EEPROM.
The beneficial effects of the utility model: adopt WLAN wireless communication technology in the time carrying out colliery transfer of data, can use wireless device signal transmission, fund input and the construction period of line construction are reduced, and can effectively solve because be subject to the impact of the on-the-spot adverse circumstances in down-hole, the system communication fault causing hinders the effectively transmission fast of information, can solve well that wire communication mode connects up that difficulty is large, cost is high, the problem of easy care and upgrading not simultaneously, there is higher networking flexibility and transmission reliability.
In the time using the utility model, in upper computer end, the definite value in host computer is sent into transcoder, the Rcv decoder of communication unit receives the signal from upper computer end transcoder, and the data that receive are sent into dsp controller, dsp controller is launched these data by wireless transmitter module, communication base station is received the wireless receiving module that these data is sent to after data to protector unit, after wireless receiving module in protector unit receives signal, send into central processing unit, central processing unit is processed and is then deposited memory in signal, can inquire about the relay protection constant value being stored in memory by button, Query Result can show in display module, in the time that circuit is short-circuited, when short-circuit current value can exceed the definite value setting in advance, the central processing unit of protector unit drives warning circuit to report to the police.
Embodiment recited above is just described preferred embodiment of the present utility model, is not departing under design premises of the present utility model, and the improvement that the technical solution of the utility model is made, all belongs to protection domain of the present utility model.
Claims (7)
1. the colliery relay protection constant value wireless transmitting system based on WLAN; it is characterized in that: comprised upper computer end, communication unit, communication base station and protector unit; wherein upper computer end is connected and is carried out signal transmission by coaxial cable with communication unit, and communication unit, communication base station and protector unit carry out signal transmission by WLAN wireless network.
2. the colliery relay protection constant value wireless transmitting system based on WLAN according to claim 1, is characterized in that: described upper computer end comprises host computer and transcoder, and host computer connects transcoder.
3. the colliery relay protection constant value wireless transmitting system based on WLAN according to claim 1; it is characterized in that: described communication unit comprises Rcv decoder, dsp controller and wireless transmitter module; Rcv decoder connects dsp controller, and dsp controller output connects wireless transmitter module.
4. the colliery relay protection constant value wireless transmitting system based on WLAN according to claim 1, is characterized in that: described communication base station is selected KT395-F intrinsic safety communication sub-station.
5. the colliery relay protection constant value wireless transmitting system based on WLAN according to claim 1; it is characterized in that: described protector unit comprises central processing unit, wireless receiving module, memory, button, display module 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, the two-way connected storage of central processing unit.
6. the colliery relay protection constant value wireless transmitting system based on WLAN according to claim 3, is characterized in that: as preferably, dsp controller adopts DSP16A type dsp processor; Wireless transmitter module adopts GC200-512 wireless controller.
7. the colliery relay protection constant value wireless transmitting system based on WLAN according to claim 5, is characterized in that: described warning circuit adopts sound light alarming circuit; Wireless receiving module adopts GC200-512 wireless controller; Central processing unit adopts ARM922T chip; Memory adopts the 2864A chip based on EEPROM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865888.5U CN205247590U (en) | 2015-11-03 | 2015-11-03 | Colliery relay protection definite value wireless transmission system based on WLAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865888.5U CN205247590U (en) | 2015-11-03 | 2015-11-03 | Colliery relay protection definite value wireless transmission system based on WLAN |
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| Publication Number | Publication Date |
|---|---|
| CN205247590U true CN205247590U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520865888.5U Expired - Fee Related CN205247590U (en) | 2015-11-03 | 2015-11-03 | Colliery relay protection definite value wireless transmission system based on WLAN |
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| CN (1) | CN205247590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814406A (en) * | 2019-01-24 | 2019-05-28 | 成都戴瑞斯智控科技有限公司 | A kind of data processing method and decoder architecture of the automatically controlled analogue system of model trajectory |
-
2015
- 2015-11-03 CN CN201520865888.5U patent/CN205247590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814406A (en) * | 2019-01-24 | 2019-05-28 | 成都戴瑞斯智控科技有限公司 | A kind of data processing method and decoder architecture of the automatically controlled analogue system of model trajectory |
| CN109814406B (en) * | 2019-01-24 | 2021-12-24 | 成都戴瑞斯智控科技有限公司 | Data processing method and decoder framework of track model electronic control simulation system |
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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: 20160518 Termination date: 20191103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |