CN203732675U - Power transmission and transformation line alarm monitoring terminal - Google Patents
Power transmission and transformation line alarm monitoring terminal Download PDFInfo
- Publication number
- CN203732675U CN203732675U CN201420099501.5U CN201420099501U CN203732675U CN 203732675 U CN203732675 U CN 203732675U CN 201420099501 U CN201420099501 U CN 201420099501U CN 203732675 U CN203732675 U CN 203732675U
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- power transmission
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Abstract
A power transmission and transformation line alarm monitoring terminal comprises a microcontroller, memories, a display device, a key module, an expansion port, a communication module, a line state monitoring circuit and a main power supply circuit. The memories include a working state memory and a remote downloading memory. The display device, the memories, the key module, the expansion port, the communication module and the line state monitoring circuit are respectively connected with the microcontroller. The communication module is connected with the outside in a communication mode. The input ends of the line state monitoring circuit and the main power supply circuit are respectively connected with a power line. The main power supply circuit is respectively connected with and provides working power for the communication mode, the memories and the microcontroller. According to the power transmission and transformation line alarm monitoring terminal, each power line can be monitored, a faulty line can be determined accurately, and traffic communication and data communication between a field and a control center are realized. The terminal is further provided with a self protecting and monitoring device.
Description
Technical field
the utility model relates to field of power, specifically a kind of power transmission and transformation line alert detecting terminal.
Background technology
In service at power transmission and transformation line, feeder line fault often occurs, most Analogical Circuit Technique and the packaging shells of adopting of current line fault checkout equipment design, and the function that its is realized is fairly simple, and detection failure type is also more single, and, after breaking down, need on-the-spot tour of staff to find trouble spot, can not realize long-range reporting, can not realize call on-the-spot and Surveillance center, there is great limitation.
Utility model content
The shortcoming existing in order to overcome above-mentioned prior art, the purpose of this utility model is to provide a kind of power transmission and transformation line alert detecting terminal, and it is powerful, can accurately detect which road power line failure, and realized auto-alarm function, and can communicate with control center.
In order to address the above problem, the utility model is by the following technical solutions: a kind of power transmission and transformation line alert detecting terminal, it comprises microcontroller, storer, display device, key-press module, Extended Capabilities Port, communication module, line status observation circuit and main feed circuit, and described storer comprises duty storer and remote download storer; Described display device, storer, key-press module, Extended Capabilities Port, communication module and line status observation circuit are connected with microcontroller respectively; Described communication module and extraneous communication connection; The input end of described line status observation circuit and main feed circuit is connected with line of electric force respectively; Described main feed circuit are connected with communication module, storer and microcontroller respectively, for it provides working power.
Further, described communication module comprises GSM/GPRS module, SIM card, receiver and loudspeaker, and described SIM card is arranged in the sim card slot of GSM/GPRS module, and described receiver is connected with GSM/GPRS module respectively with loudspeaker; Described key-press module comprises push-to-talk button.
Further, described line status observation circuit comprises four photoelectrical coupler U1 ~ U4, three commutation diodes, three light emitting diodes, four operational amplifier A 1 ~ A4, and some resistance and electric capacity; The input end anode of described photoelectrical coupler U1 ~ U3 is connected in series respectively after a commutation diode and a resistance, is connected respectively with three phase lines of line of electric force; The input end anode of receiving photoelectrical coupler U4 after the input end negative electrode parallel connection of photoelectrical coupler U1 ~ U3, the negative electrode of photoelectrical coupler U4 connects line of electric force zero line; The input end negative electrode of described photoelectrical coupler U1 ~ U3 is connected on corresponding line of electric force after being connected in series respectively a resistance and a light emitting diode; The output terminal of four photoelectrical coupler U1 ~ U4 is connected with the discharge circuit being made up of described four operational amplifier A 1 ~ A4.
Further, described main feed circuit comprise transformer, voltage stabilizing chip and some diodes, some electric capacity and some resistance, and three phase line input ends of line of electric force are connected in series respectively a resistance, and between each phase line and zero line, are connected a transient diode; A pin of transformer input end connects the zero line of line of electric force, another pin is connected successively after recovering safety element and fuse protective tube and to be connected with in leg of power line any one, between two pins of transformer input end, connects a transient diode; Transformer output terminal is connected with voltage stabilizing chip.
Further, it also comprises self-protection monitoring device, described self-protection monitoring device comprises magnetic switch, obliquity sensor and temperature sensor, described magnetic switch comprise be arranged on power transmission and transformation line alert detecting terminal upper cover magnet and be arranged on the magnetic control tongue tube on power transmission and transformation line alert detecting circuit board terminal, two pins of described magnetic control tongue tube are connected with the input end pin of described microcontroller; Described obliquity sensor is connected with described microcontroller respectively with temperature sensor.
Further, it also comprises battery backup and discharges and recharges control panel, described battery backup is arranged on and discharges and recharges on control panel, described in discharge and recharge the input end of control panel and the output terminal of main feed circuit is connected, discharge and recharge control panel output terminal and be connected with the input end pin of described voltage stabilizing chip.
Further, described key-press module also comprises self-inspection button.
Further, described display device comprises indicator of the power supply status, communication module pilot lamp and communication module signal intensity pilot lamp.
Further, described Extended Capabilities Port comprises RS-485 port.
The beneficial effects of the utility model are:
1, it can be monitored every line of electric force respectively by line status observation circuit, determines accurately faulty line.
2, its communication module comprises GSM/GPRS module, receiver and loudspeaker, and SIM card can be installed, and realizes traffic communication and data communication on-the-spot and control center.
3, its electric power system adopts the mode of main feed circuit and reserve battery combination, guarantees the operation that equipment is reliable and stable.
4, it is also provided with self-protection monitoring device, improper while opening device housings or mobile device, self-protection monitoring device all gives the alarm to control center, and self-protection monitoring device also comprises temperature sensor, state of temperature when consersion unit work timely.
Brief description of the drawings
below in conjunction with drawings and Examples, the utility model is described further:
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is line status observation circuit figure of the present utility model;
Fig. 3 is main power supply circuit of the present utility model.
Embodiment
As shown in Figure 1, an embodiment of the present utility model comprises microcontroller, storer, display device, key-press module, Extended Capabilities Port, communication module, line status observation circuit and main feed circuit, microcontroller adopts 51 series monolithic IAP10L14, and described storer comprises duty storer and remote download storer; Described display device comprises indicator of the power supply status, communication module pilot lamp and communication module signal intensity pilot lamp; Described key-press module also comprises push-to-talk button S1 and self-inspection button S2, in the time of equipment debugging or on-the-spot test, uses self-inspection button S2 to simulate different line statuss or duty, is the supplementary means of equipment debugging, environmental testing etc.; Described display device, storer, key-press module, Extended Capabilities Port, communication module and line status observation circuit are connected with the I/O mouth of microcontroller respectively;
Described communication module comprises GSM/GPRS module, SIM card, receiver and loudspeaker, described SIM card is arranged in the sim card slot of GSM/GPRS module, described receiver is connected with GSM/GPRS module respectively with loudspeaker, communication module is connected and is controlled by microcontroller by serial ports, it can provide incoming call to interrupt to microcontroller simultaneously, realize the work such as patrolling and examining between equipment and concentrator or server, traffic communication, data communication, when after press-to-talk button S1, can start the particular number of getting in touch with control center, realize the call with control center.Described main feed circuit are connected with communication module, storer and microcontroller respectively, for it provides working power.
In order to prevent this equipment of artificial destruction, and the running status of equipment is monitored, it is designed with self-protection monitoring device, described self-protection monitoring device comprises magnetic switch, obliquity sensor and temperature sensor, described magnetic switch comprises and is arranged on the magnet of power transmission and transformation line alert detecting terminal upper cover and is arranged on the magnetic control tongue tube on power transmission and transformation line alert detecting circuit board terminal, two pins of described magnetic control tongue tube are connected with the input end pin of described microcontroller, in the time that thief opens the upper cover of power transmission and transformation line alert detecting terminal, magnetic switch action, send signal to microcontroller, described obliquity sensor is connected with described microcontroller respectively with temperature sensor, and when equipment generation artificial destruction or when dismounting, obliquity sensor sends microcontroller to after the signal of device inclined being detected, and microcontroller is uploaded signal by communication module, temperature sensor can carry out moment monitoring to the working temperature of equipment, once device temperature is abnormal, just signal is spread out of by communication facilities.
In order to ensure the stable operation of equipment, it is also designed with battery backup and discharges and recharges control panel, discharge and recharge control panel and can directly adopt the battery charging and discharging control panel on market, described battery backup is connected to and discharges and recharges on control panel, describedly discharge and recharge the input end of control panel and the output terminal of main feed circuit is connected, in the time that battery backup there is not electricity, main feed circuit are directly its charging; Discharge and recharge the output terminal of control panel and the input end pin of described voltage stabilizing chip is connected, when after primary power source de-energizes, battery backup is this equipment power supply.
As shown in Figure 2, described line status observation circuit comprises four photoelectrical coupler U1 ~ U4, three commutation diode DW1 ~ DW3, three light emitting diode DWL1 ~ DWL3, four operational amplifier A 1 ~ A4, and some resistance and electric capacity; After the input end anode series commutation diode DW1 and resistance R W4 of described photoelectrical coupler U1, be connected with the phase line PWA of line of electric force, after the input end anode series commutation diode DW2 and resistance R W5 of photoelectrical coupler U2, be connected with the phase line PWB of line of electric force, after the input end anode series commutation diode DW3 and resistance R W6 of photoelectrical coupler U3, be connected with the phase line PWC of line of electric force; The input end anode of receiving photoelectrical coupler U4 after the input end negative electrode parallel connection of photoelectrical coupler U1 ~ U3, the negative electrode of photoelectrical coupler U4 meets line of electric force zero line PW0; Input end negative electrode series resistor RW7 and the light emitting diode DWL1 of described photoelectrical coupler U1, the negative electrode of light emitting diode DWL1 is connected on the anode tap of commutation diode DW1, input end negative electrode series resistor RW8 and the light emitting diode DWL2 of photoelectrical coupler U2, the negative electrode of light emitting diode DWL2 is connected on the anode tap of commutation diode DW2, input end negative electrode series resistor RW9 and the light emitting diode DWL3 of photoelectrical coupler U3, the negative electrode of light emitting diode DWL3 is connected on the anode tap of commutation diode DW3; Like this, just form the loop of three phase line PWA ~ PWC to zero line PW0, in the time that three phase lines have electricity, the limit of paying of photoelectrical coupler has the formation of conducting loop, and in the time having phase line open circuit, the input end power-off of corresponding photoelectrical coupler, makes its pair of limit form open circuit, detects thus the open-circuit condition of phase line; And in the time that zero line PW0 disconnects, 0 end open circuit on figure, make the negative electrode in A, B, tri-loops of C be open-circuit condition, but three the resistance R W7 ~ RW9 of phase line has formed again the star-like of three phase lines with three LED light emitting diode DWL1 ~ DWL3 and has been connected, net result is 0 end open circuit, A, B, C end form star-like connection, make three photoelectrical coupler U1 ~ U3 loops each other, detect thus zero line PW0 open circuit.
The output terminal of four photoelectrical coupler U1 ~ U4 is connected with the discharge circuit being made up of described four operational amplifier A 1 ~ A4, by discharge circuit, detection information is sent to microcontroller, discharge circuit herein belongs to typical circuit, and those of ordinary skill is readily appreciated that, here just repeats no more.
As shown in Figure 3, described main feed circuit comprise transformer T1, voltage stabilizing chip U5 and some diodes, some electric capacity and some resistance, voltage stabilizing chip U5 adopts SPX5205 chip, three phase line input end PWA, PWB and the PWC of line of electric force are connected in series respectively resistance R W1, a RW2 and RW3, and between phase line PWA and zero line PW0, be connected a transient diode DVW1, between phase line PWB and zero line PW0, be connected a transient diode DVW2, between phase line PWC and zero line PW0, be connected a transient diode DVW3, a pin of transformer T1 input end connects the zero line PW0 of line of electric force, another pin is connected successively from recovering safety element FS1 and being connected (phase-connecting wire PWA herein) with in leg of power line any one after fuse protective tube FS2, wherein the effect of FS2 is to prevent surge, in the time that the circuit system of power transmission and transformation line alert detecting terminal has overcurrent, first can tell at FS1 end, the instantaneous magnitude that makes its resistance value reach hundreds of megohm, blocking-up electric current makes circuit be able to safety, and in the time that surge produces, can make DVW4 transient diode in time of nanosecond to zero line PW0 short circuit, the instantaneous FS2 fuse protective tube that burns.Between two pins of transformer T1 input end, connect a transient diode DVW4; Transformer T1 output terminal is connected with voltage stabilizing chip U5.Three-phase and four-line line of electric force is introduced by plug JBT1; article three, phase line is done current-limiting protection by RW1 ~ RW3; and by these three transient diodes of DVW1 ~ DVW3, zero line PW0 is done to the anti-lightning strike and protection of releasing surge; in the time having heavy current impact phase line; transient diode can be in the time of nanosecond to zero line PW0 short circuit; current-limiting resistance RW1, RW2 or RW3 are burnt in instantaneous meeting, protect thus the safety of late-class circuit.
Claims (9)
1. a power transmission and transformation line alert detecting terminal, it is characterized in that, it comprises microcontroller, storer, display device, key-press module, Extended Capabilities Port, communication module, line status observation circuit and main feed circuit, and described storer comprises duty storer and remote download storer; Described display device, storer, key-press module, Extended Capabilities Port, communication module and line status observation circuit are connected with microcontroller respectively; Described communication module and extraneous communication connection; The input end of described line status observation circuit and main feed circuit is connected with line of electric force respectively; Described main feed circuit are connected with communication module, storer and microcontroller respectively, for it provides working power.
2. power transmission and transformation line alert detecting terminal according to claim 1, it is characterized in that, described communication module comprises GSM/GPRS module, SIM card, receiver and loudspeaker, described SIM card is arranged in the sim card slot of GSM/GPRS module, and described receiver is connected with GSM/GPRS module respectively with loudspeaker; Described key-press module comprises push-to-talk button.
3. power transmission and transformation line alert detecting terminal according to claim 1, is characterized in that, described line status observation circuit comprises four photoelectrical coupler U1 ~ U4, three commutation diodes, three light emitting diodes, four operational amplifier A 1 ~ A4, and some resistance and electric capacity; The input end anode of described photoelectrical coupler U1 ~ U3 is connected in series respectively after a commutation diode and a resistance, is connected respectively with three phase lines of line of electric force; The input end anode of receiving photoelectrical coupler U4 after the input end negative electrode parallel connection of photoelectrical coupler U1 ~ U3, the negative electrode of photoelectrical coupler U4 connects line of electric force zero line; The input end negative electrode of described photoelectrical coupler U1 ~ U3 is connected on corresponding line of electric force after being connected in series respectively a resistance and a light emitting diode; The output terminal of four photoelectrical coupler U1 ~ U4 is connected with the discharge circuit being made up of described four operational amplifier A 1 ~ A4.
4. power transmission and transformation line alert detecting terminal according to claim 1, it is characterized in that, described main feed circuit comprise transformer, voltage stabilizing chip and some diodes, some electric capacity and some resistance, three phase line input ends of line of electric force are connected in series respectively a resistance, and between each phase line and zero line, are connected a transient diode; A pin of transformer input end connects the zero line of line of electric force, another pin is connected successively after recovering safety element and fuse protective tube and to be connected with in leg of power line any one, between two pins of transformer input end, connects a transient diode; Transformer output terminal is connected with voltage stabilizing chip.
5. power transmission and transformation line alert detecting terminal according to claim 1, it is characterized in that, it also comprises self-protection monitoring device, described self-protection monitoring device comprises magnetic switch, obliquity sensor and temperature sensor, described magnetic switch comprise be arranged on power transmission and transformation line alert detecting terminal upper cover magnet and be arranged on the magnetic control tongue tube on power transmission and transformation line alert detecting circuit board terminal, two pins of described magnetic control tongue tube are connected with the input end pin of described microcontroller; Described obliquity sensor is connected with described microcontroller respectively with temperature sensor.
6. power transmission and transformation line alert detecting terminal according to claim 4, it is characterized in that, it also comprises battery backup and discharges and recharges control panel, described battery backup is connected to and discharges and recharges on control panel, describedly discharge and recharge the input end of control panel and the output terminal of main feed circuit is connected, discharge and recharge the output terminal of control panel and the input end pin of described voltage stabilizing chip is connected.
7. power transmission and transformation line alert detecting terminal according to claim 1, is characterized in that, described key-press module also comprises self-inspection button.
8. power transmission and transformation line alert detecting terminal according to claim 1, is characterized in that, described display device comprises indicator of the power supply status, communication module pilot lamp and communication module signal intensity pilot lamp.
9. power transmission and transformation line alert detecting terminal according to claim 1, is characterized in that, described Extended Capabilities Port comprises RS-485 port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099501.5U CN203732675U (en) | 2014-03-06 | 2014-03-06 | Power transmission and transformation line alarm monitoring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099501.5U CN203732675U (en) | 2014-03-06 | 2014-03-06 | Power transmission and transformation line alarm monitoring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732675U true CN203732675U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420099501.5U Expired - Fee Related CN203732675U (en) | 2014-03-06 | 2014-03-06 | Power transmission and transformation line alarm monitoring terminal |
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| Country | Link |
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| CN (1) | CN203732675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792469A (en) * | 2014-03-06 | 2014-05-14 | 肖孟国 | Power transmission and transformation line alarming and monitoring terminal |
| CN107781797A (en) * | 2016-08-24 | 2018-03-09 | 浙江汉朔电子科技有限公司 | Indicator lamp and display screen |
-
2014
- 2014-03-06 CN CN201420099501.5U patent/CN203732675U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792469A (en) * | 2014-03-06 | 2014-05-14 | 肖孟国 | Power transmission and transformation line alarming and monitoring terminal |
| CN107781797A (en) * | 2016-08-24 | 2018-03-09 | 浙江汉朔电子科技有限公司 | Indicator lamp and display screen |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20160306 |