CN203850921U - Bus online monitoring integrated system - Google Patents
Bus online monitoring integrated system Download PDFInfo
- Publication number
- CN203850921U CN203850921U CN201420205413.9U CN201420205413U CN203850921U CN 203850921 U CN203850921 U CN 203850921U CN 201420205413 U CN201420205413 U CN 201420205413U CN 203850921 U CN203850921 U CN 203850921U
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- module
- leakage switch
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- processor
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 19
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 10
- 230000002265 prevention Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Testing Or Calibration Of Command Recording Devices (AREA)
- Power Sources (AREA)
- Alarm Systems (AREA)
Abstract
The utility model discloses a bus online monitoring integrated system, which comprises a CPU module, a temperature and humidity sampling module, a liquid crystal display module, a power supply module and at least one electric leakage switch intelligent control module, wherein the temperature and humidity sampling module, the liquid crystal display module, the power supply module and the at least one electric leakage switch intelligent control module are electrically connected with the CPU module, the power supply module further provides power input for the temperature and humidity sampling module, and the electric leakage switch intelligent control module is used for triggering an electric leakage switch to trip through bus duct temperature and humidity signals transmitted to the CPU module by the temperature and humidity sampling module, thereby preventing occurrence of security incidents of a bus duct, and improving the operation reliability of the bus duct.
Description
Technical field
The utility model relates to bus duct device field, specifically a kind of integrated system that relates to the on-line monitoring of bus duct temperature and humidity in electric power low-voltage distribution system.
Background technology
As the bus duct of novel power distribution equipment, because its compact conformation, copper bar press together, heat radiation and insulating properties are had relatively high expectations, if bus duct self temperature rises to certain limiting value, will accelerate its ageing of insulation, even destroy insulation, therefore the temperature rise of bus duct and ambient humidity are larger to its service behaviour and reliability effect.At present, domestic only University of Fuzhou has researched and developed monitoring system to this, but this system is only for the humiture of on-line monitoring bus duct, whether do not exceed limit value according to bus duct humiture and whether the relevant leakage switch of Based Intelligent Control trips, avoid bus duct because of temperature rise or the too high security incident that causes of humidity, be therefore necessary to improve for this present situation.
Utility model content
In order to overcome the intellectuality deficiency of existing bus duct humiture observation system, the utility model provide a kind of to bus duct humiture on-line monitoring and according to monitoring situation the bus on-line monitoring integrated system to relevant leakage switch Based Intelligent Control.
The technical solution adopted in the utility model is:
Bus on-line monitoring integrated system, the humiture sampling module, LCD MODULE, the power module that comprise CPU module and be electrically connected with CPU module, this power module is also for humiture sampling module provides power supply input, it is characterized in that: it also comprises at least one leakage switch intelligent control module being electrically connected with CPU module, this leakage switch intelligent control module triggers the tripping operation of leakage switch for be transferred to the bus duct temperature-humidity signal of CPU module with humiture sampling module.
The utility model bus on-line monitoring integrated system also comprises communication module;
Described CPU module comprises an arm processor unit for host computer and at least one processor of single chip computer unit for slave computer;
Described communication module is connected between arm processor unit and processor of single chip computer unit;
The input of the output of described humiture sampling module and processor of single chip computer unit is electrically connected;
Described LCD MODULE is connected with arm processor unit;
Described leakage switch intelligent control module is divided into the first leakage switch intelligent control module that drives point service main place and the second leakage switch intelligent control module that drives bus duct main line place, this the first leakage switch intelligent control module is connected with processor of single chip computer unit by the first drive circuit, and this second leakage switch intelligent control module is connected with arm processor unit by the second drive circuit.
As the further improvement of the technical program, described processor of single chip computer unit is connected with the first watch dog monitoring module, and described arm processor unit is connected with the second watch dog monitoring module.
Further, described humiture sampling module comprises at least one temperature sensor and humidity sensor, and this temperature sensor is connected with processor of single chip computer unit by analog to digital converter, and this humidity sensor is directly connected with processor of single chip computer unit.
Further, between described temperature sensor and analog to digital converter, be connected with operational amplifier, described humidity sensor directly and between processor of single chip computer unit is connected with 555 timers.
Wherein, described power module comprises the host computer power module and the slave computer power module that are connected to obtain power supply input with the end of incoming cables of leakage switch; This slave computer power module comprises the first Switching Power Supply, the TL431A circuit that connect successively from the end of incoming cables of leakage switch, the first Switching Power Supply provides power supply input for described single chip processing module, operational amplifier, analog to digital converter, the first/the second drive circuit, and this TL431A circuit provides base voltage for temperature sensor.
Described temperature sensor is non-contact infrared temperature sensor.
Described the first/the second leakage switch intelligent control module includes the zero cross fired optocoupler controllable silicon, the leakage switch reset circuit that connect successively, and described the first/the second drive circuit is connected between processor of single chip computer unit/arm processor unit.
Described communication module adopts RS485 telecommunication circuit, and this RS485 telecommunication circuit comprises the NEC optocoupler and the SP485 communication chip that are connected on successively between processor of single chip computer unit and arm processor unit.
Wherein, the NEC photoelectric coupled circuit that described NEC optocoupler is respectively used to receive and send by two-way forms.
The beneficial effects of the utility model are:
The utility model bus on-line monitoring integrated system is for fear of the intelligent weak point of existing bus duct humiture observation system, the abundant circuit structure in conjunction with leakage switch, not only show in real time the humiture of bus duct, and in the time detecting the transfiniting of bus duct humiture, trigger electric leakage switch tripping, the security incident of prevention bus duct occurs, and improves bus duct operational reliability.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Fig. 1 is square frame principle schematic diagram of the present utility model;
Fig. 2 is system host computer circuit theory diagrams of the present utility model;
Fig. 3 is system host computer circuit theory diagrams of the present utility model;
Fig. 4 is humiture sampling module circuit theory diagrams;
Fig. 5 is leakage switch intelligent control module circuit theory diagrams;
Fig. 6 is communication module circuit theory diagrams;
Fig. 7 is LCD MODULE circuit theory diagrams;
Fig. 8 is power module circuitry principle.
Number in the figure is: humiture sampling module 10, LCD MODULE 20, communication module 30, the first leakage switch intelligent control module 40, the second leakage switch intelligent control module 50, host computer power module 60, slave computer power module 70, the first watch dog monitoring module 80, the second watch dog monitoring module 90, the first drive circuit 100, the second drive circuit 110, non-contact infrared temperature sensor 120, humidity sensor 130, operational amplifier 140, 555 timers 150, zero cross fired optocoupler controllable silicon 160, leakage switch reset circuit 170, NEC optocoupler 180, SP485 communication chip 190, DC-DC insulating power supply 200, AC-DC switch power module 210, processor of single chip computer unit 220, arm processor unit 230.
Embodiment
Shown in figure 1, for the utility model bus on-line monitoring integrated system, comprise CPU module and the six large modules such as the humiture sampling module 10, LCD MODULE 20, communication module 30, leakage switch intelligent control module, power module that are electrically connected with CPU module; Wherein:
(1) CPU module
CPU module is the core of native system, mainly comprise processor of single chip computer unit 220, arm processor unit 230, wherein arm processor is for host computer, processor of single chip computer is for slave computer, can many in the utility model the corresponding host computers of slave computer, but in accompanying drawing embodiment only with the corresponding host computer of a slave computer.The processor of single chip computer that the utility model adopts is enhancement mode, anti-interference strong, meets the application requirements of bus duct complex electromagnetic environment.
(2) humiture sampling module 10
The input of the output of humiture sampling module 10 and processor of single chip computer unit 220 is electrically connected, this sampling module is mainly sampled to the temperature of bus duct by non-contact infrared transducer, and sampled value is sent into after analog-to-digital conversion to processor of single chip computer and carried out data processing, humidity sensor 130 is sampled to the humidity of bus duct, and sampled value is directly sent into processor of single chip computer with frequency signal form and carried out data processing.The utility model adopts the temperature monitoring of infrared sensor to bus duct, and sensitivity, accuracy are high, and can better realize the insulating requirements of transducer and bus duct.
(3) communication module 30
This module is connected between arm processor unit 230 and processor of single chip computer unit 220, this module adopts RS485 telecommunication circuit, except A, B port access communications network, also designs signal ground is accessed, can effectively suppress common mode disturbances, further improve the reliability of communication.
(4) leakage switch intelligent control module
Leakage switch intelligent control module is divided into the first leakage switch intelligent control module 40 that drives point service main place and the second leakage switch intelligent control module 50 that drives bus duct main line place, this the first leakage switch intelligent control module 40 is connected with processor of single chip computer unit 220 by the first drive circuit 100, and this second leakage switch intelligent control module 50 is connected with arm processor unit 230 by the second drive circuit 110.
(5) LCD MODULE 20
LCD MODULE 20 of the present utility model is connected with arm processor unit 230, LCD MODULE 20 is mainly used in showing online the humiture value of respective bus bars groove and the on off state of leakage switch, for the security incident of prevention bus duct provides data basis for estimation.
(6) power module
Described power module comprises the host computer power module 60 and the slave computer power module 70 that are connected to obtain power supply input with the end of incoming cables of leakage switch.
Its operation principle is, by Temperature Humidity Sensor 130 by gather data after analog-to-digital conversion, be sent to processor of single chip computer unit 220 and carry out data processing, if data exceed the humiture limiting value of bus duct, drive the leakage switch intelligence tripping operation of bifurcation, the security incident of prevention point service main occurs, be sent to arm processor unit 230 by the RS485 telecommunication circuit humiture data of being correlated with simultaneously, show in real time, and judging whether to drive total leakage switch intelligence of bus duct main line to trip, prevention total trunk security incident occurs.
In the technical program, leakage switch is circuit breaker;
In addition, described processor of single chip computer unit 220 is connected with the first watch dog monitoring module 80, described arm processor unit 230 is connected with the second watch dog monitoring module 90, and watch dog monitoring module belongs to existing hardware module, and therefore the technical program does not provide physical circuit figure; The object of its setting is for processor of single chip computer unit 220 or arm processor unit 230 move when stuck, can make its autoboot.
As shown in Figure 2,3, for the circuit theory diagrams of native system, mainly be divided into slave computer circuit part and host computer circuit part, between processor of single chip computer unit 220 and arm processor unit 230, be connected by UART, RS485 communication unit, realize the mutual biography data between host computer and slave computer.The utility model is according to the complex electromagnetic environment of bus duct application, select the processor of single chip computer that antijamming capability is strong, the speed of service is high, and the power supply ripple of processor of single chip computer and arm processor is controlled at 30mV left and right, greatly improves operational reliability of the present utility model; In addition, arm processor leaves enough allowances to the expansion of native system.
Concrete, a slave computer is provided with 5 road non-contact infrared temperature sensors 120 and samples, and No. 1 humidity sensor 130 is sampled.Infrared temperature sensor 120 output valve of sampling is a small voltage value, is amplified and is delivered to analog to digital converter and convert digital signal to, then digital signal is sent into processor of single chip computer by operational amplifier 140, converts corresponding temperature value to; And humidity sensor 130 output valves are frequency signals, can directly send into processor of single chip computer unit 220, convert corresponding humidity value to.The level signal of humiture value is transferred to the first leakage switch intelligent control module 40 by monolithic processor unit; in the time of this level signal value of exceeding the maximum; drive the tripping operation of corresponding leakage switch intelligence; protection respective bus bars groove; prevention security incident occurs; while is also sent to host computer by the on off state of humiture value and leakage switch, realizes in real time and showing.
Host computer circuit part, host computer receives the data that slave computer transmits, whether humiture transfinites by the total trunk that further detects bus duct, if when level signal value of exceeding the maximum of humiture value, drive the leakage switch intelligence tripping operation of bus duct total trunk by the second leakage switch intelligent control module 50, show in real time the on off state of corresponding humiture value and leakage switch simultaneously.
As shown in Figure 4, the temperature signal that non-contact infrared temperature sensor 120 collects, with faint voltage signal output, after high precision operating amplifier 1403 amplifies, is sent to analog to digital converter, convert analog signal to digital signal, be finally input to processor of single chip computer and carry out data processing.
Carry out data processing and humidity sensor 130 is directly delivered to processor of single chip computer with frequency signal in conjunction with the circuit characteristic of 555 timers 150 by the moisture signal collecting, circuit structure is simple, and reliability is high.
As shown in Figure 5, for leakage switch intelligent control module of the present utility model, the the first/the second leakage switch intelligent control module 50 includes the zero cross fired optocoupler controllable silicon 160, the leakage switch reset circuit 170 that connect successively, and described the first/the second drive circuit 110 is connected between processor of single chip computer unit 220/ARM processor unit 230; If the humiture of bus duct transfinites, processor of single chip computer unit 220 or arm processor unit 230 drive 160 conductings of zero cross fired optocoupler controllable silicon, leakage switch reset circuit 170 paths, and then electric leakage switch tripping, and protection bus duct, prevents accidents caused.Under normal operating condition, the original function of leakage switch does not affect.
Figure 6 shows that communication module 30 circuit theory diagrams, this communication module 30 adopts RS485 telecommunication circuit, and powered by DC-DC insulating power supply 200, this RS485 telecommunication circuit comprises the NEC optocoupler 180 and the SP485 communication chip 190 that are connected on successively between processor of single chip computer unit 220 and arm processor unit 230; Wherein, described NEC optocoupler 180 is respectively used to NEC optocoupler 180 the electric circuit constitutes that receive and send by two-way.
Figure 7 shows that LCD MODULE 20 circuit theory diagrams, the input of LCDs is connected with the signal output part of arm processor unit 230, for the online humiture value of respective bus bars groove and the on off state of leakage switch of showing, for the security incident of prevention bus duct provides data basis for estimation.
As shown in Figure 8, be power module circuitry figure of the present utility model, power module comprises the host computer power module 60 and the slave computer power module 70 that are connected to obtain power supply input with the end of incoming cables of leakage switch; This slave computer power module 70 comprises the first Switching Power Supply, the TL431A circuit that connect successively from the end of incoming cables of leakage switch, the first Switching Power Supply provides power supply input for described single chip processing module, operational amplifier 140, analog to digital converter, the first/the second drive circuit 110, and this TL431A circuit provides base voltage for temperature sensor 120; The LD03-10B03 that this host computer power module 60 adopts and the first Switching Power Supply LD03-10B05 are all AC-DC switch power modules 210.
Power module supply power mode of the present utility model is flexible: host computer, the required direct current of slave computer lead to all to be obtained from the end of incoming cables of leakage switch by Switching Power Supply, selected Switching Power Supply is anti-interference strong, low ripple, for the reliability service of upper and lower machine is given security.TL431 tri-end adjustable shunt reference voltage sources provide stable base voltage for infrared temperature sensor, guarantee infrared temperature sensor sampling precision.
The utility model bus on-line monitoring integrated system is for fear of the intelligent weak point of existing bus duct humiture observation system, the abundant circuit structure in conjunction with leakage switch, not only show in real time the humiture of bus duct, and in the time detecting the transfiniting of bus duct humiture, trigger electric leakage switch tripping, the security incident of prevention bus duct occurs, and improves bus duct operational reliability.
The foregoing is only preferential execution mode of the present utility model, the utility model is not limited to above-mentioned execution mode, as long as within the technical scheme that realizes the utility model object with basic identical means all belongs to protection range of the present utility model.
Claims (10)
1. bus on-line monitoring integrated system, the humiture sampling module, LCD MODULE, the power module that comprise CPU module and be electrically connected with CPU module, this power module is also for humiture sampling module provides power supply input, it is characterized in that: it also comprises at least one leakage switch intelligent control module being electrically connected with CPU module, this leakage switch intelligent control module triggers the tripping operation of leakage switch for be transferred to the bus duct temperature-humidity signal of CPU module with humiture sampling module.
2. bus on-line monitoring integrated system according to claim 1, is characterized in that: it also comprises communication module;
Described CPU module comprises an arm processor unit for host computer and at least one processor of single chip computer unit for slave computer;
Described communication module is connected between arm processor unit and processor of single chip computer unit;
The input of the output of described humiture sampling module and processor of single chip computer unit is electrically connected;
Described LCD MODULE is connected with arm processor unit;
Described leakage switch intelligent control module is divided into the first leakage switch intelligent control module that drives point service main place and the second leakage switch intelligent control module that drives bus duct main line place, this the first leakage switch intelligent control module is connected with processor of single chip computer unit by the first drive circuit, and this second leakage switch intelligent control module is connected with arm processor unit by the second drive circuit.
3. bus on-line monitoring integrated system according to claim 2, is characterized in that: described processor of single chip computer unit is connected with the first watch dog monitoring module, described arm processor unit is connected with the second watch dog monitoring module.
4. bus on-line monitoring integrated system according to claim 2, it is characterized in that: described humiture sampling module comprises at least one temperature sensor and humidity sensor, this temperature sensor is connected with processor of single chip computer unit by analog to digital converter, and this humidity sensor is directly connected with processor of single chip computer unit.
5. bus on-line monitoring integrated system according to claim 4, is characterized in that: between described temperature sensor and analog to digital converter, be connected with operational amplifier, described humidity sensor directly and between processor of single chip computer unit is connected with 555 timers.
6. bus on-line monitoring integrated system according to claim 5, is characterized in that: described power module comprises the host computer power module and the slave computer power module that are connected to obtain power supply input with the end of incoming cables of leakage switch; This slave computer power module comprises the first Switching Power Supply, the TL431A circuit that connect successively from the end of incoming cables of leakage switch, the first Switching Power Supply provides power supply input for described single chip processing module, operational amplifier, analog to digital converter, the first/the second drive circuit, and this TL431A circuit provides base voltage for temperature sensor.
7. bus on-line monitoring integrated system according to claim 6, is characterized in that: described temperature sensor is non-contact infrared temperature sensor.
8. bus on-line monitoring integrated system according to claim 2, it is characterized in that: described the first/the second leakage switch intelligent control module includes the zero cross fired optocoupler controllable silicon, the leakage switch reset circuit that connect successively, and described the first/the second drive circuit is connected between processor of single chip computer unit/arm processor unit.
9. bus on-line monitoring integrated system according to claim 2, it is characterized in that: described communication module adopts RS485 telecommunication circuit, and this RS485 telecommunication circuit comprises the NEC optocoupler and the SP485 communication chip that are connected on successively between processor of single chip computer unit and arm processor unit.
10. bus on-line monitoring integrated system according to claim 9, is characterized in that: the NEC photoelectric coupled circuit that described NEC optocoupler is respectively used to receive and send by two-way forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205413.9U CN203850921U (en) | 2014-04-24 | 2014-04-24 | Bus online monitoring integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205413.9U CN203850921U (en) | 2014-04-24 | 2014-04-24 | Bus online monitoring integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850921U true CN203850921U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420205413.9U Expired - Lifetime CN203850921U (en) | 2014-04-24 | 2014-04-24 | Bus online monitoring integrated system |
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| Country | Link |
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| CN (1) | CN203850921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944266A (en) * | 2014-04-24 | 2014-07-23 | 中山市凯丰电力电子设备有限公司 | Bus online monitoring integrated system |
| CN104834255A (en) * | 2015-04-29 | 2015-08-12 | 北华大学 | Large-power rectification cabinet water-cooled bus real-time monitoring system |
-
2014
- 2014-04-24 CN CN201420205413.9U patent/CN203850921U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944266A (en) * | 2014-04-24 | 2014-07-23 | 中山市凯丰电力电子设备有限公司 | Bus online monitoring integrated system |
| CN104834255A (en) * | 2015-04-29 | 2015-08-12 | 北华大学 | Large-power rectification cabinet water-cooled bus real-time monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
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| CX01 | Expiry of patent term |