CN204439171U - The liquid level reminding device of monitoring transformer oil liquid level - Google Patents
The liquid level reminding device of monitoring transformer oil liquid level Download PDFInfo
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- CN204439171U CN204439171U CN201520159160.0U CN201520159160U CN204439171U CN 204439171 U CN204439171 U CN 204439171U CN 201520159160 U CN201520159160 U CN 201520159160U CN 204439171 U CN204439171 U CN 204439171U
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- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title abstract description 10
- 238000002604 ultrasonography Methods 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims description 36
- 230000010355 oscillation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model liquid level reminding device, is specifically related to a kind of device of monitoring transformer oil liquid level; The technical matters solved is: provide a kind of device can monitoring transformer oil liquid level the long-range moment; The technical scheme adopted is: liquid level reminding device, comprising: main controller module, ultrasound wave transmitter module, ultrasound wave receiver module, display module, wireless communication module, clock module, memory module, reset control module and power module; Described main controller module is connected with reset control module with ultrasound wave transmitter module, ultrasound wave receiver module, display module, wireless communication module, clock module, memory module respectively, and described power module is that whole device is powered; The utility model is applicable to power department.
Description
Technical field
The utility model relates to liquid level reminding device, is specifically related to a kind of liquid level reminding device of monitoring transformer oil liquid level.
Background technology
At present, in electric system, power supply reliability is the important indicator of the examination quality of power supply, and reflect the satisfaction degree of power industry to national economy electrical energy demands, the urban electricity supply reliability of present State Grid Corporation of China to social commitment reaches more than 99.9%.The factor affecting power supply reliability is many, and except irresistible inclement weather, what accounting example was maximum is exactly device damage.The current substation transformer of China is oil-filled transformer mostly, leakage of oil, oil level is on the low side is again the one of the main reasons causing such transformer damage, because the distribution of substation transformer is closeer, round-the-clock direct surveillance's operation conditions can not be carried out, the work of transformer will be affected when oil level is too low, thus cause power supply quality unreliable, special in some large-scale transformers, because its capacity is large, voltage is high, and personal monitoring is very inconvenient.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, and technical matters to be solved is: provide a kind of device can monitoring transformer oil liquid level the long-range moment.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Liquid level reminding device, comprising: main controller module, ultrasound wave transmitter module, ultrasound wave receiver module, display module, wireless communication module, clock module, memory module, reset control module and power module.
Described main controller module is connected with reset control module with ultrasound wave transmitter module, ultrasound wave receiver module, display module, wireless communication module, clock module, memory module respectively, and described power module is that whole device is powered.
The circuit structure of described ultrasound wave transmitter module is: the positive pole of electric capacity C1 is also connected with signal input part a1 after connecing the positive pole of diode D1, be connected with the input end of three-terminal voltage-stabilizing chip IC 1 after the positive pole of the negative pole shunt-wound capacitance C2 of described diode D1, the output terminal of described three-terminal voltage-stabilizing chip IC 1 one end of connecting resistance R1, the positive pole of electric capacity C3 is connected with the positive power source terminal of Sheffer stroke gate G1 with behind one end of resistance R3, the earth terminal of described three-terminal voltage-stabilizing chip IC 1 is also connected with one end of resistance R2 after the other end of connecting resistance R1, the other end of described resistance R3 is also connected with the A input end of Sheffer stroke gate G1 behind one end of connecting resistance R4, the negative pole of described electric capacity C1 ground connection after connecing the other end of signal input part a2, the negative pole of electric capacity C2, the other end of resistance R2, the negative pole of electric capacity C3 and resistance R4, described signal input part a1 is connected with the signal output port of main controller module with signal input part a2.
The B input end of described Sheffer stroke gate G1 is connected with one end of resistance R5, the output terminal of Sheffer stroke gate G1 and connect the A input end of Sheffer stroke gate G2, the B input end of Sheffer stroke gate G2, the A input end of Sheffer stroke gate G3 be connected with a stiff end of adjustable resistance R6 with after the B input end of Sheffer stroke gate G3, the output terminal of described Sheffer stroke gate G2 is also connected with the positive pole of electric capacity C4 after connecing the A input end of Sheffer stroke gate G4 and the B input end of Sheffer stroke gate G4; The other end of described resistance R5 is also connected with the negative pole of electric capacity C4 after connecing the movable end of adjustable resistance R6 and another stiff end of adjustable resistance R6, the negative power end ground connection of described Sheffer stroke gate G4.
The output terminal of described Sheffer stroke gate G3 is connected with the input end of ultrasonic transducer S1 respectively with the output terminal of Sheffer stroke gate G4.
The circuit structure of described ultrasound wave receiver module is: an output terminal of acoustic wave transducer S2 is also connected with one end of electric capacity C8 behind one end of connecting resistance R10, another output terminal of ultrasonic transducer S2 ground connection after the other end of connecting resistance R10, be connected with 2 pin of dual operational amplifier IC5 after the other end series resistor R11 of described electric capacity C8.
Be connected with 1 pin of dual operational amplifier IC5 after the 2 pin series resistor R12 of described dual operational amplifier IC5, 1 pin of dual operational amplifier IC5 successively serial capacitance C9 is connected with 6 pin of dual operational amplifier IC5 with after resistance R13, be connected with 7 pin of dual operational amplifier IC5 after the 6 pin series resistor R14 of dual operational amplifier IC5, one end of the 3 pin shunt-wound capacitance C10 of dual operational amplifier IC5, one end of resistance R15 is connected with 5 pin of dual operational amplifier IC5 with behind one end of resistance R16, the other end of described electric capacity C10 and the equal ground connection of the other end of resistance R15, the other end of described resistance R16 is connected with positive source VCC.
7 pin of described dual operational amplifier IC5 are connected with the positive input terminal of voltage comparator ic 6; Ground connection after the negative input end series resistor R17 of voltage comparator ic 6, be connected with positive source VCC after the negative input end series resistor R18 of voltage comparator ic 6, the output terminal of voltage comparator ic 6 is connected with the signal input port of main controller module.
During work, above-mentioned Sheffer stroke gate G1 and Sheffer stroke gate G2 forms controlled oscillator, when main controller module 1 sends a signal to ultrasound wave transmitter module 2, and oscillator starting of oscillation; Adjustment adjustable resistance R6 can change oscillation frequency, and oscillator signal controls the poor phase drive operation be made up of Sheffer stroke gate G3 and Sheffer stroke gate G4 respectively, when Sheffer stroke gate G3 exports high level, and the certain output low level of Sheffer stroke gate G4; During Sheffer stroke gate G3 output low level, Sheffer stroke gate G4 exports high level, and this Automatic level control ultrasonic transducer S1 sends ultrasonic signal; The feeble signal that above-mentioned ultrasonic transducer S2 receives, amplify through being ac-coupled to dual operational amplifier IC5, through amplifying signal again by voltage comparator ic 6 shaping, output signal is received by main controller module 1, by the change of signal in the ultrasound wave transmitter module 2 that is connected with main controller module 1, ultrasound wave receiver module 3, main controller module 1 can sentence the change information of transformer oil liquid level.
The beneficial effect that the utility model compared with prior art has is: the utility model can moment accurate measurements transformer oil liquid level information by ultrasound wave transmitter module and ultrasound wave receiver module, and by wireless communication module, above-mentioned information can be sent to background monitoring center, meet the monitoring to transformer oil liquid level, sensing module in the utility model all adopts Low-voltage Low-power DC circuit, energy ezpenditure is low, whole circuit structure is succinct, and cost is lower, practical.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
Fig. 2 is the circuit diagram of ultrasound wave transmitter module in the utility model.
Fig. 3 is the circuit diagram of ultrasound wave receiver module in the utility model.
In figure: 1-main controller module, 2-ultrasound wave transmitter module, 3-ultrasound wave receiver module, 4-display module, 5-wireless communication module, 6-clock module, 7-memory module, 8-reset control module, 9-power module.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
A kind of liquid level reminding device of monitoring transformer oil liquid level, as shown in Figure 1, comprising: main controller module 1, ultrasound wave transmitter module 2, ultrasound wave receiver module 3, display module 4, wireless communication module 5, clock module 6, memory module 7, reset control module 8 and power module 9.
Described main controller module 1 is connected with reset control module 8 with ultrasound wave transmitter module 2, ultrasound wave receiver module 3, display module 4, wireless communication module 5, clock module 6, memory module 7 respectively, and described power module 9 is powered for whole device; The display screen arranged in described display module 4 intuitively can show transformer oil liquid level information; Described wireless communication module 5 to be connected with background server by wireless network and to carry out communication, and wireless communication module 5 can adopt WIFI module or for Zigbee module or be GPRS module.
As shown in Figure 2, the circuit structure of described ultrasound wave transmitter module 2 is: the positive pole of electric capacity C1 is also connected with signal input part a1 after connecing the positive pole of diode D1, be connected with the input end of three-terminal voltage-stabilizing chip IC 1 after the positive pole of the negative pole shunt-wound capacitance C2 of described diode D1, the output terminal of described three-terminal voltage-stabilizing chip IC 1 one end of connecting resistance R1, the positive pole of electric capacity C3 is connected with the positive power source terminal of Sheffer stroke gate G1 with behind one end of resistance R3, the earth terminal of described three-terminal voltage-stabilizing chip IC 1 is also connected with one end of resistance R2 after the other end of connecting resistance R1, the other end of described resistance R3 is also connected with the A input end of Sheffer stroke gate G1 behind one end of connecting resistance R4, the negative pole of described electric capacity C1 ground connection after connecing the other end of signal input part a2, the negative pole of electric capacity C2, the other end of resistance R2, the negative pole of electric capacity C3 and resistance R4, described signal input part a1 is connected with the signal output port of main controller module 1 with signal input part a2.
The B input end of described Sheffer stroke gate G1 is connected with one end of resistance R5, the output terminal of Sheffer stroke gate G1 and connect the A input end of Sheffer stroke gate G2, the B input end of Sheffer stroke gate G2, the A input end of Sheffer stroke gate G3 be connected with a stiff end of adjustable resistance R6 with after the B input end of Sheffer stroke gate G3, the output terminal of described Sheffer stroke gate G2 is also connected with the positive pole of electric capacity C4 after connecing the A input end of Sheffer stroke gate G4 and the B input end of Sheffer stroke gate G4; The other end of described resistance R5 is also connected with the negative pole of electric capacity C4 after connecing the movable end of adjustable resistance R6 and another stiff end of adjustable resistance R6, the negative power end ground connection of described Sheffer stroke gate G4; The output terminal of described Sheffer stroke gate G3 is connected with the input end of ultrasonic transducer S1 respectively with the output terminal of Sheffer stroke gate G4.
As shown in Figure 3, the circuit structure of described ultrasound wave receiver module 3 is: an output terminal of acoustic wave transducer S2 is also connected with one end of electric capacity C8 behind one end of connecting resistance R10, another output terminal of ultrasonic transducer S2 ground connection after the other end of connecting resistance R10, be connected with 2 pin of dual operational amplifier IC5 after the other end series resistor R11 of described electric capacity C8.
Be connected with 1 pin of dual operational amplifier IC5 after the 2 pin series resistor R12 of described dual operational amplifier IC5, 1 pin of dual operational amplifier IC5 successively serial capacitance C9 is connected with 6 pin of dual operational amplifier IC5 with after resistance R13, be connected with 7 pin of dual operational amplifier IC5 after the 6 pin series resistor R14 of dual operational amplifier IC5, one end of the 3 pin shunt-wound capacitance C10 of dual operational amplifier IC5, one end of resistance R15 is connected with 5 pin of dual operational amplifier IC5 with behind one end of resistance R16, the other end of described electric capacity C10 and the equal ground connection of the other end of resistance R15, the other end of described resistance R16 is connected with positive source VCC.
7 pin of described dual operational amplifier IC5 are connected with the positive input terminal of voltage comparator ic 6; Ground connection after the negative input end series resistor R17 of voltage comparator ic 6, be connected with positive source VCC after the negative input end series resistor R18 of voltage comparator ic 6, the output terminal of voltage comparator ic 6 is connected with the signal input port of main controller module 1.
Described ultrasound wave transmitter module 2 and ultrasound wave receiver module 3 all have multiple paired setting; Described Sheffer stroke gate G1, Sheffer stroke gate G2, Sheffer stroke gate G3 and Sheffer stroke gate G4 adopt four group of 2 input nand gate chip, such as: 74LS00 chip; Described three-terminal voltage-stabilizing chip IC 1 adopts 7812 chips or 7809 chips; Described dual operational amplifier IC5 adopts model to be the dual operational amplifier of TL082, and described voltage comparator ic 6 adopts model to be the voltage comparator chip of LM311.
Above-mentioned Sheffer stroke gate G1 and Sheffer stroke gate G2 forms controlled oscillator, when main controller module 1 sends a signal to ultrasound wave transmitter module 2, and oscillator starting of oscillation; Adjustment adjustable resistance R6 can change oscillation frequency, and oscillator signal controls the poor phase drive operation be made up of Sheffer stroke gate G3 and Sheffer stroke gate G4 respectively, when Sheffer stroke gate G3 exports high level, and the certain output low level of Sheffer stroke gate G4; During Sheffer stroke gate G3 output low level, Sheffer stroke gate G4 exports high level, and this Automatic level control ultrasonic transducer S1 sends ultrasonic signal; The feeble signal that above-mentioned ultrasonic transducer S2 receives, amplify through being ac-coupled to dual operational amplifier IC5, through amplifying signal again by voltage comparator ic 6 shaping, output signal is received by main controller module 1, by the change of signal in the ultrasound wave transmitter module 2 that is connected with main controller module 1, ultrasound wave receiver module 3, main controller module 1 can sentence the change information of transformer oil liquid level.
The utility model can moment accurate measurements transformer oil liquid level information by ultrasound wave transmitter module and ultrasound wave receiver module, and by wireless communication module, above-mentioned information can be sent to background monitoring center, meet the monitoring to transformer oil liquid level, sensing module in the utility model all adopts Low-voltage Low-power DC circuit, energy ezpenditure is low, whole circuit structure is succinct, and cost is lower, practical.
Claims (6)
1. monitor a liquid level reminding device for transformer oil liquid level, comprising: main controller module (1), ultrasound wave transmitter module (2), ultrasound wave receiver module (3), display module (4), wireless communication module (5), clock module (6), memory module (7), reset control module (8) and power module (9);
It is characterized in that: described main controller module (1) is connected with reset control module (8) with ultrasound wave transmitter module (2), ultrasound wave receiver module (3), display module (4), wireless communication module (5), clock module (6), memory module (7) respectively, described power module (9) is powered for whole device;
The circuit structure of described ultrasound wave transmitter module (2) is: the positive pole of electric capacity C1 is also connected with signal input part a1 after connecing the positive pole of diode D1, be connected with the input end of three-terminal voltage-stabilizing chip IC 1 after the positive pole of the negative pole shunt-wound capacitance C2 of described diode D1, the output terminal of described three-terminal voltage-stabilizing chip IC 1 one end of connecting resistance R1, the positive pole of electric capacity C3 is connected with the positive power source terminal of Sheffer stroke gate G1 with behind one end of resistance R3, the earth terminal of described three-terminal voltage-stabilizing chip IC 1 is also connected with one end of resistance R2 after the other end of connecting resistance R1, the other end of described resistance R3 is also connected with the A input end of Sheffer stroke gate G1 behind one end of connecting resistance R4, the negative pole of described electric capacity C1 ground connection after connecing the other end of signal input part a2, the negative pole of electric capacity C2, the other end of resistance R2, the negative pole of electric capacity C3 and resistance R4, described signal input part a1 is connected with the signal output port of main controller module (1) with signal input part a2,
The B input end of described Sheffer stroke gate G1 is connected with one end of resistance R5, the output terminal of Sheffer stroke gate G1 and connect the A input end of Sheffer stroke gate G2, the B input end of Sheffer stroke gate G2, the A input end of Sheffer stroke gate G3 be connected with a stiff end of adjustable resistance R6 with after the B input end of Sheffer stroke gate G3, the output terminal of described Sheffer stroke gate G2 is also connected with the positive pole of electric capacity C4 after connecing the A input end of Sheffer stroke gate G4 and the B input end of Sheffer stroke gate G4; The other end of described resistance R5 is also connected with the negative pole of electric capacity C4 after connecing the movable end of adjustable resistance R6 and another stiff end of adjustable resistance R6, the negative power end ground connection of described Sheffer stroke gate G4;
The output terminal of described Sheffer stroke gate G3 is connected with the input end of ultrasonic transducer S1 respectively with the output terminal of Sheffer stroke gate G4;
The circuit structure of described ultrasound wave receiver module (3) is: an output terminal of acoustic wave transducer S2 is also connected with one end of electric capacity C8 behind one end of connecting resistance R10, another output terminal of ultrasonic transducer S2 ground connection after the other end of connecting resistance R10, be connected with 2 pin of dual operational amplifier IC5 after the other end series resistor R11 of described electric capacity C8;
Be connected with 1 pin of dual operational amplifier IC5 after the 2 pin series resistor R12 of described dual operational amplifier IC5, 1 pin of dual operational amplifier IC5 successively serial capacitance C9 is connected with 6 pin of dual operational amplifier IC5 with after resistance R13, be connected with 7 pin of dual operational amplifier IC5 after the 6 pin series resistor R14 of dual operational amplifier IC5, one end of the 3 pin shunt-wound capacitance C10 of dual operational amplifier IC5, one end of resistance R15 is connected with 5 pin of dual operational amplifier IC5 with behind one end of resistance R16, the other end of described electric capacity C10 and the equal ground connection of the other end of resistance R15, the other end of described resistance R16 is connected with positive source VCC,
7 pin of described dual operational amplifier IC5 are connected with the positive input terminal of voltage comparator ic 6; Ground connection after the negative input end series resistor R17 of voltage comparator ic 6, is connected with positive source VCC after the negative input end series resistor R18 of voltage comparator ic 6, and the output terminal of voltage comparator ic 6 is connected with the signal input port of main controller module (1).
2. liquid level reminding device according to claim 1, is characterized in that: described ultrasound wave transmitter module (2) and ultrasound wave receiver module (3) all have multiple paired setting.
3. liquid level reminding device according to claim 2, is characterized in that: described Sheffer stroke gate G1, Sheffer stroke gate G2, Sheffer stroke gate G3 and Sheffer stroke gate G4 adopt four group of 2 input nand gate chip.
4. liquid level reminding device according to claim 3, is characterized in that: described three-terminal voltage-stabilizing chip IC 1 adopts 7812 chips or 7809 chips.
5. liquid level reminding device according to claim 4, is characterized in that: described dual operational amplifier IC5 adopts model to be the dual operational amplifier of TL082, and described voltage comparator ic 6 adopts model to be the voltage comparator chip of LM311.
6. liquid level reminding device according to claim 5, is characterized in that: described wireless communication module 5 to be connected with background server by wireless network and to carry out communication, and wireless communication module 5 adopts WIFI module or Zigbee module or GPRS module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520159160.0U CN204439171U (en) | 2015-03-20 | 2015-03-20 | The liquid level reminding device of monitoring transformer oil liquid level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520159160.0U CN204439171U (en) | 2015-03-20 | 2015-03-20 | The liquid level reminding device of monitoring transformer oil liquid level |
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| CN204439171U true CN204439171U (en) | 2015-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207969A (en) * | 2016-08-08 | 2016-12-07 | 河南开启电力实业有限公司 | Transformer station's oil-filled transformer on-line monitoring early warning system |
| CN107835936A (en) * | 2015-07-29 | 2018-03-23 | 恩德莱斯和豪瑟尔两合公司 | Phase control unit for vibrating sensor |
-
2015
- 2015-03-20 CN CN201520159160.0U patent/CN204439171U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107835936A (en) * | 2015-07-29 | 2018-03-23 | 恩德莱斯和豪瑟尔两合公司 | Phase control unit for vibrating sensor |
| US10908011B2 (en) | 2015-07-29 | 2021-02-02 | Endress+Hauser SE+Co. KG | Phase control unit for a vibronic sensor |
| CN107835936B (en) * | 2015-07-29 | 2021-02-23 | 恩德莱斯和豪瑟尔欧洲两合公司 | Phase control unit for vibration sensor |
| CN106207969A (en) * | 2016-08-08 | 2016-12-07 | 河南开启电力实业有限公司 | Transformer station's oil-filled transformer on-line monitoring early warning system |
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