CN206479260U - A kind of configurable hydro-generating Unit device for detecting temperature - Google Patents
A kind of configurable hydro-generating Unit device for detecting temperature Download PDFInfo
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- CN206479260U CN206479260U CN201720167566.2U CN201720167566U CN206479260U CN 206479260 U CN206479260 U CN 206479260U CN 201720167566 U CN201720167566 U CN 201720167566U CN 206479260 U CN206479260 U CN 206479260U
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Abstract
The utility model provides a kind of configurable hydro-generating Unit device for detecting temperature, the device for detecting temperature for ten road temperature measuring circuits, 18 road temperature measuring circuits, 26 road temperature measuring circuits, 34 road temperature measuring circuits any one or any several combination；Described ten road temperature measuring circuits, 18 road temperature measuring circuits, 26 road temperature measuring circuits, 34 road temperature measuring circuits include a main temperature measurement module and several from temperature-measuring module, main temperature measurement module is by RS485 interfaces with being communicated from temperature-measuring module, each temperature information from temperature-measuring module of collection, main temperature surveys module and upper machine communication simultaneously, will collect each road and sends host computer to from the temperature of temperature-measuring module.The utility model is to meet the temperature measuring equipment with a variety of flexible configuration modes that the different multiple temperature channels of hydro-generating Unit are designed.
Description
Technical field
The utility model is related to a kind of configurable hydro-generating Unit device for detecting temperature.Suitable for various hydroelectric generations
The measurement monitoring of factory's generating set temperature.
Background technology
Hydraulic power plant's generating set temperature measurement monitoring mainly include unit bearing (thrust bearing, guide bearing),
The running temperature monitoring at the position such as generator iron-core and winding, generator cooling-water (wind, oil).The running temperature of generating set is
The topmost non-electric quantity monitoring parameter in power plant, it is directly connected to safety and stability operating and the generating set of generating set
Working life.
Thermometric thermal resistance is one of main sensor in hydroelectric power plant.Due to the particularity of generating set, the peace of temperature element
Dress and working environment are relatively poor, this cause thermal resistance (contain lead wire) broken string, short circuit easily occur, disturbed etc. by high-intensity magnetic field therefore
Barrier, so as to cause the stability and reliability of whole temp measuring system work very poor.Hair wrong report temperature signal may be made thermal resistance by mistake
Into erroneous judgement of the operation maintenance personnel to unit operation operating mode, relay protection action may be caused to shut down unit tripping, cause to generate electricity
Factory and the unnecessary loss of power network；Therefore the General Multiplex temperature measuring equipment of a high stability, flexibly configurable is designed, it is right
The safe and stable operation significance of hydroelectric power plant's generating set and whole power network.
The industry that uses at present and power station temperature measuring equipment is much there is following defect：
1st, the versatility of a variety of thermometric passages can not be realized by hardware expanding or software merit rating, at present conventional thermometric dress
Put and be usually fixed temperature channel measurement；
2nd, temperature input channel uses non-isolated acquisition mode, for the protection effect of the lightning surge of sensor loop
In difference, particularly more severe working environment (medium-small hydropower plants), occur often because lightning surge causes temperature measuring equipment
The situation of damage；
The 3rd, inconvenience is installed, it usually needs the perforate of progress is installed；
4th, temperature survey real-time is poor, and particularly poll temperature channel more multichannel temperature change is slower.
The content of the invention
The technical problems to be solved in the utility model, is to provide a kind of configurable hydroelectric generator set temperature monitoring dress
Put, realize the different multiple temperature channel temperature monitoring requirements of hydro-generating Unit；Using multiple isolation processing technology, it is ensured that with
Relatively independent, the raising functional reliability of other equipment work.
What the utility model was realized in：A kind of configurable hydro-generating Unit device for detecting temperature, the temperature
Monitoring device is ten road temperature measuring circuits, 18 road temperature measuring circuits, 26 road temperature measuring circuits, 34 tunnel temperature
Spend any one or any several combination of measuring circuit；Described ten road temperature measuring circuits, 18 tunnel temperature surveys electricity
Road, 26 road temperature measuring circuits, 34 road temperature measuring circuits include a main temperature measurement module and several
From temperature-measuring module, main temperature measurement module from temperature-measuring module by RS485 interfaces with being communicated, and collection is each from temperature
The temperature information of measurement module is spent, while main temperature surveys module and upper machine communication, each road will be collected from temperature-measuring module
Temperature send host computer to.
Further, described main temperature measurement module support eight road channel isolation temperature inputs and two-way non-isolated every
It is described to support eight road channel isolation temperature inputs, described main temperature measurement mould from temperature-measuring module from the input of grid temperature
Described in maximum expansible three of block from temperature-measuring module.
Further, ten described road temperature measuring circuits are by a main temperature measurement module and communication interface with pc group
Into；Main temperature measurement module is communicated with host computer by communication interface with pc.
Further, 18 described tunnel temperature surveys by a main temperature measurement module, one from temperature-measuring module
And communication interface with pc composition；Described passes through RS485 communication interfaces from temperature-measuring module by the temperature data collected
Be sent to main temperature measurement module, main temperature measurement module again with upper machine communication.
Further, 26 described tunnel temperature surveys by a main temperature measurement module, two from temperature survey mould
Block and communication interface with pc composition；The temperature data collected is passed through RS485 communication interfaces by two from temperature-measuring module
Be sent to main temperature measurement module, main temperature measurement module again with upper machine communication.
Further, 34 described tunnel temperature surveys by a main temperature measurement module, three from temperature survey mould
Block and communication interface with pc composition；The temperature data collected is passed through RS485 communication interfaces by three from temperature-measuring module
Be sent to main temperature measurement module, main temperature measurement module again with upper machine communication.
Further, the main temperature measurement module and two kinds of temperature of Pt100 and Cu50 are supported to pass from temperature-measuring module
Sensor.
Further, described main temperature measurement module and from temperature-measuring module include isolated from power power supply circuit,
Temperature input lightning protection circuit, temperature acquisition isolation circuit, CPU, external interface circuit, LED indicating circuit and communicating circuit；It is described
Isolated from power power supply circuit, temperature input lightning protection circuit, temperature acquisition isolation circuit, external interface circuit, LED indicating circuit
And communicating circuit is connected with CPU, the temperature input lightning protection circuit is connected with the temperature acquisition isolation circuit.
Further, the isolated from power power supply circuit includes：The input power protection circuit that is sequentially connected, Width funtion are defeated
Enter circuit, DC/DC power-switching circuits；The DC/DC power-switching circuits are connected with CPU；The temperature inputs lightning protection circuit
Including：Lightning protection circuit and thermal resistance input isolation control switching circuit；The temperature acquisition isolation circuit includes：Thermal resistance is isolated
Circuit and AD sample circuits；The lightning protection circuit, thermal resistance input isolation control switching circuit, thermal resistance isolation circuit, AD are adopted
Sample circuit is sequentially connected, and the AD sample circuits are connected with the CPU；The external interface circuit includes：Clock circuit, guard the gate
Dog circuit, on-off circuit, storage circuit, the clock circuit, watchdog circuit, on-off circuit, storage circuit connect with CPU
Connect；The communicating circuit includes：Slave communication interface circuit and communication interface with pc circuit, the slave communication interface circuit
It is connected with communication interface with pc circuit with CPU.
The utility model has the advantage of：1st, highly versatile, acquisition precision is high, and multiple temperature can be extended according to field demand
Spend measurement module, the multiple associated temperature values that can be monitored；
2nd, each passage may be used also using isolation lightning protection temperature collection circuit to strengthen lightning protection processing main temperature measurement module
The special temperature-measuring module with isolated gate of two-way is extended out, the lightning protection properties of device are provided significantly；
3rd, protected using multiple isolation technology (isolation of input power supply, the isolation of collection input channel, communication interface are isolated)
Demonstrate,prove relatively independent, the raising device functional reliability worked with other equipment；
4th, collection real-time is high, and collecting temperature renewal time is 5 seconds, and the number of channels with configuration is unrelated；
5th, easy for installation, guide tracked mounting means of sampling, module extension is convenient, may be mounted in regulator cubicle or independent peace
On metope.
Brief description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model apparatus structure block diagram.
Fig. 2 is temperature-measuring module hardware block diagram in the utility model.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, a kind of configurable hydro-generating Unit device for detecting temperature, the temperature monitoring
Device various configurations mode is ten road temperature measuring circuits, 18 road temperature measuring circuits, 26 road temperature measuring circuits, three
Any one or any several combination of 14 road temperature measuring circuits；Described ten road temperature measuring circuits, 18 tunnel temperature
Spending measuring circuit, 26 road temperature measuring circuits, 34 road temperature measuring circuits includes a main temperature measurement module
With several from temperature-measuring module, main temperature measurement module, with being communicated from temperature-measuring module, is adopted by RS485 interfaces
Each temperature information from temperature-measuring module of collection, while main temperature surveys module and upper machine communication, will collect each road from temperature
The temperature of measurement module sends host computer to.
Described main temperature measurement module supports the isolated gate temperature of eight road channel isolation temperature inputs and two-way non-isolated
Input, described to support eight road channel isolation temperature inputs from temperature-measuring module, described main temperature measurement module maximum can
Described in extension three from temperature-measuring module.Host computer focuses on the temperature data received, to several associated temperature
Degrees of data, which is sorted out and concentrated, to be shown in man-machine interface.Described main temperature measurement module and from temperature-measuring module hard
Completely compatible on part and external cabling, some temperature-measuring module can be arranged to main temperature at any time by toggle switch and surveyed by user
Measure module or from temperature-measuring module.
Ten described road temperature measuring circuits are made up of a main temperature measurement module with communication interface with pc；Main temperature
Measurement module is communicated with host computer by communication interface with pc.Host computer focuses on the temperature data received, right
Several associated temperature datas, which are sorted out and concentrated, to be shown in man-machine interface.
18 described road temperature measuring circuits are by a main temperature measurement module, one from temperature-measuring module and upper
Machine communication interface is constituted；Described is sent to the temperature data collected by RS485 communication interfaces from temperature-measuring module
Main temperature measurement module, main temperature measurement module again with upper machine communication.Host computer focuses on the temperature data received, right
Several associated temperature datas, which are sorted out and concentrated, to be shown in man-machine interface.
26 described road temperature measuring circuits by a main temperature measurement module, two from temperature-measuring module and on
Position machine communication interface composition；Two are sent to the temperature data collected by RS485 communication interfaces from temperature-measuring module
Main temperature measurement module, main temperature measurement module again with upper machine communication.Host computer focuses on the temperature data received, right
Several associated temperature datas, which are sorted out and concentrated, to be shown in man-machine interface.
34 described road temperature measuring circuits by a main temperature measurement module, three from temperature-measuring module and on
Position machine communication interface composition；Three are sent to the temperature data collected by RS485 communication interfaces from temperature-measuring module
Main temperature measurement module, main temperature measurement module again with upper machine communication.Host computer focuses on the temperature data received, right
Several associated temperature datas, which are sorted out and concentrated, to be shown in man-machine interface.
The main temperature measurement module and from temperature-measuring module support two kinds of temperature sensors of Pt100 and Cu50.
As shown in Fig. 2 described main temperature measurement module and include from temperature-measuring module isolated from power power supply circuit,
Temperature input lightning protection circuit, temperature acquisition isolation circuit, CPU, external interface circuit, LED indicating circuit and communicating circuit；It is described
Isolated from power power supply circuit, temperature input lightning protection circuit, temperature acquisition isolation circuit, external interface circuit, LED indicating circuit
And communicating circuit is connected with CPU, the temperature input lightning protection circuit is connected with the temperature acquisition isolation circuit.
The isolated from power power supply circuit includes：The input power protection circuit that is sequentially connected, Width funtion input circuit,
DC/DC power-switching circuits；The DC/DC power-switching circuits are connected with CPU；The temperature input lightning protection circuit includes：It is anti-
Thunder and lightning road and thermal resistance input isolation control switching circuit；The temperature acquisition isolation circuit includes：Thermal resistance isolation circuit and
AD sample circuits；The lightning protection circuit, thermal resistance input isolation control switching circuit, thermal resistance isolation circuit, AD sample circuits
It is sequentially connected, the AD sample circuits are connected with the CPU；The external interface circuit includes：Clock circuit, house dog electricity
Road, on-off circuit, storage circuit, the clock circuit, watchdog circuit, on-off circuit, storage circuit are connected with CPU；Institute
Stating communicating circuit includes：Slave communication interface circuit and communication interface with pc circuit, the slave communication interface circuit and upper
Position machine communication interface circuit is connected with CPU.
Described main temperature measurement module includes eight tunnel temperature surveys, and two-way extends out the temperature survey of band special isolated gate
Module；
Described only includes eight tunnel temperature surveys from temperature-measuring module, and the temperature survey for extending out band special isolated gate is not gathered
Module is measured, also data communication is not carried out with host computer.
Operation principle of the present utility model is as follows：
Ten tunnel temperature survey realization principles：Applicable temperature passage be less than ten tunnel temperature surveys, CPU by the way of poll,
Inputting isolation control switching circuit by thermal resistance controls the temperature of single temperature channel to input, and the temperature signal of input, which passes through, to be prevented
Thunder and lightning road is carried out after lightning protection processing, is input to the collection numbering that AD isolation sample circuits carry out AD data, after CPU is handled
To temperature value, following CPU polling systems thermal resistance input isolation control switching circuit inputs the temperature of next temperature channel
Value similarly draws temperature value, and CPU completes temperature data acquisition and the processing of all passages in 5 seconds；Data pass through RS485 interfaces
Send outside host computer, then host computer is focused on it is parsed after the temperature data received after be stored in itself
In database, several associated temperature datas are sorted out, and real-time temperature values are included in man-machine interface.
Other three kinds of temperature survey configuration mode realization principles：Other three kinds of temperature surveys are realized former in ten tunnel temperature surveys
On the basis of reason, it is additional several from temperature measuring equipment, surveyed from temperature-measuring module control measurement operation principle and main temperature
Amount module is identical, and the data measured from temperature measuring equipment are collected by RS485 communication interfaces gives main temperature measurement module, main temperature
Spend measurement apparatus again with upper machine communication.Host computer focuses on the temperature data received, to several associated temperature numbers
It is shown according to being sorted out and being concentrated in man-machine interface.
In summary, a kind of configurable hydro-generating Unit device for detecting temperature of the utility model, it is advantageous that matching somebody with somebody
Put mode variation, highly versatile, temperature is real-time, acquisition precision is high, it is easy for installation, can be extended according to field demand it is many
Individual temperature-measuring module, the multiple associated temperature values that can be monitored；Using general《Modbus agreements》Communication protocol is practical
Property is strong.
Although the foregoing describing embodiment of the present utility model, those familiar with the art should
Work as understanding, the specific embodiment described by us is merely exemplary, rather than for the limit to scope of the present utility model
Fixed, those skilled in the art should in the equivalent modification and change made according to spirit of the present utility model
Cover in scope of the claimed protection of the present utility model.
Claims (9)
1. a kind of configurable hydro-generating Unit device for detecting temperature, it is characterised in that：The device for detecting temperature is ten tunnels
Temperature measuring circuit, 18 road temperature measuring circuits, 26 road temperature measuring circuits, times of 34 road temperature measuring circuits
A kind of or arbitrarily several combination of meaning；Described ten road temperature measuring circuits, 18 road temperature measuring circuits, 26 tunnel temperature
Measuring circuit, 34 road temperature measuring circuits include a main temperature measurement module and several from temperature-measuring module,
Main temperature measurement module from temperature-measuring module by RS485 interfaces with being communicated, and collection is respectively from the temperature of temperature-measuring module
Information is spent, while main temperature surveys module and upper machine communication, each road will be collected and sent to from the temperature of temperature-measuring module
Position machine.
2. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
Main temperature measurement module support the isolated gate temperature of eight road channel isolation temperature inputs and two-way non-isolated to input, it is described from
Temperature-measuring module supports eight road channel isolation temperature to input, described in maximum expansible three of described main temperature measurement module
From temperature-measuring module.
3. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
Ten road temperature measuring circuits be made up of a main temperature measurement module with communication interface with pc；Main temperature measurement module with it is upper
Position machine is communicated by communication interface with pc.
4. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
18 road temperature measuring circuits by a main temperature measurement module, one from temperature-measuring module and communication interface with pc group
Into；Described is sent to main temperature measurement mould from temperature-measuring module by the temperature data collected by RS485 communication interfaces
Block, main temperature measurement module again with upper machine communication.
5. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
26 road temperature measuring circuits by a main temperature measurement module, two from temperature-measuring module and communication interface with pc
Composition；The temperature data collected is sent to main temperature by RS485 communication interfaces from temperature-measuring module and measures mould by two
Block, main temperature measurement module again with upper machine communication.
6. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
34 road temperature measuring circuits by a main temperature measurement module, three from temperature-measuring module and communication interface with pc
Composition；The temperature data collected is sent to main temperature by RS485 communication interfaces from temperature-measuring module and measures mould by three
Block, main temperature measurement module again with upper machine communication.
7. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
Main temperature measurement module and from temperature-measuring module support two kinds of temperature sensors of Pt100 and Cu50.
8. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 1, it is characterised in that：It is described
Main temperature measurement module and from temperature-measuring module include isolated from power power supply circuit, temperature input lightning protection circuit, temperature
Gather isolation circuit, CPU, external interface circuit, LED indicating circuit and communicating circuit；Described isolated from power power supply circuit, temperature
Degree input lightning protection circuit, temperature acquisition isolation circuit, external interface circuit, LED indicating circuit and communicating circuit connect with CPU
Connect, the temperature input lightning protection circuit is connected with the temperature acquisition isolation circuit.
9. a kind of configurable hydro-generating Unit device for detecting temperature according to claim 8, it is characterised in that：It is described
Isolated from power power supply circuit includes：The input power protection circuit that is sequentially connected, Width funtion input circuit, DC/DC Power converts
Circuit；The DC/DC power-switching circuits are connected with CPU；The temperature input lightning protection circuit includes：Lightning protection circuit and thermal resistance
Input isolation control switching circuit；The temperature acquisition isolation circuit includes：Thermal resistance isolation circuit and AD sample circuits；It is described
Lightning protection circuit, thermal resistance input isolation control switching circuit, thermal resistance isolation circuit, AD sample circuits are sequentially connected, the AD
Sample circuit is connected with the CPU；The external interface circuit includes：Clock circuit, watchdog circuit, on-off circuit, storage
Circuit, the clock circuit, watchdog circuit, on-off circuit, storage circuit are connected with CPU；The communicating circuit includes：From
Machine communication interface circuit and communication interface with pc circuit, the slave communication interface circuit and communication interface with pc circuit are equal
It is connected with CPU.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720167566.2U CN206479260U (en) | 2017-02-24 | 2017-02-24 | A kind of configurable hydro-generating Unit device for detecting temperature |
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| CN201720167566.2U CN206479260U (en) | 2017-02-24 | 2017-02-24 | A kind of configurable hydro-generating Unit device for detecting temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440946A (en) * | 2019-09-12 | 2019-11-12 | 四川轻化工大学 | White spirit cellar temperature monitoring device and temperature monitoring system |
-
2017
- 2017-02-24 CN CN201720167566.2U patent/CN206479260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440946A (en) * | 2019-09-12 | 2019-11-12 | 四川轻化工大学 | White spirit cellar temperature monitoring device and temperature monitoring system |
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