CN102520696B - Apparatus for realizing automatic channel switching control of large dam monitoring apparatus collective line box and method thereof - Google Patents
Apparatus for realizing automatic channel switching control of large dam monitoring apparatus collective line box and method thereof Download PDFInfo
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- CN102520696B CN102520696B CN2011104306493A CN201110430649A CN102520696B CN 102520696 B CN102520696 B CN 102520696B CN 2011104306493 A CN2011104306493 A CN 2011104306493A CN 201110430649 A CN201110430649 A CN 201110430649A CN 102520696 B CN102520696 B CN 102520696B
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Abstract
The invention relates to an apparatus for realizing automatic channel switching control of a large dam monitoring apparatus collective line box and a method thereof. The apparatus comprises the large dam monitoring apparatus collective line box, a collective line box controller and a communication cable. The collective line box controller comprises a power carrier wave signal generator and a microcontroller which are mutually connected. The power carrier wave signal generator is connected with a first communication interface. The microcontroller is connected with a display device, an operation instruction input device and a power supply interface. The large dam monitoring apparatus collective line box comprises a second communication interface, a power carrier wave decoding circuit, a channel selection control circuit and a relay array which are connected in order. The relay array is provided with a safety monitoring apparatus interface array and a safety monitoring apparatus core wire bus interface. The apparatus also comprises a power taking circuit. The communication cable is connected with the first communication interface and the second communication interface. According to the apparatus and the method, the large dam monitoring apparatus collective line box realizes passivity work and automatic channel switching control, and the apparatus and the method have very practical meaning to realization of large dam safety monitoring in a construction period.
Description
Technical field
The present invention relates to the safety monitoring technology field of dam and Geotechnical Engineering, particularly a kind of apparatus and method that realize the passive automatic channel switching controls of dam monitoring instrument line concentrating case.
Background technology
In the safety monitoring technology field of dam and Geotechnical Engineering, dam monitoring instrument line concentrating case is indispensable visual plant, is even more important in the construction time.Consider the many factors such as structural strength, waterproof sealing, power supply difficulty, substantially adopt at present the line concentrating case of manual control, this has not only increased labour intensity, and requires manually near-earth to control, and this is a job of being inconvenient to carry out for the zone (such as high slope) with danger.CN101651472A is the application's background technology.Although some dam monitoring instrument line concentrating case automated productions have also been arranged at present, but all need normal power supply, a kind of existing dam monitoring instrument line concentrating case structured flowchart as shown in Figure 1, it comprises code-disc, single-chip microcomputer, relay array, power interface, Safety Monitoring Instruments interface array and Safety Monitoring Instruments heart yearn bus interface, Safety Monitoring Instruments interface array is used for connecting Safety Monitoring Instruments, and Safety Monitoring Instruments heart yearn bus interface is used for connecting Safety Monitoring Instruments plate reading table.After the code-disc selector channel, carry out channel recognition and drive corresponding relay work in the relay array by single-chip microcomputer, make corresponding passage closed, heart yearn and the bus of the Safety Monitoring Instruments of this passage access connect, realize channel selecting, the code-disc of this line concentrating case, single-chip microcomputer and relay array all need Power supply.The civil power of People's Republic of China's water conservancy industry standard " SL369-2006 dam monitoring instrument " recommendation 220VAC; this solves the power devices problem for the construction time be very difficult thing; especially for the health monitoring technical field of Geotechnical Engineering, often can run into engineering site and can not find this realistic problem of alternating current.Therefore, the state of the art of present dam monitoring instrument line concentrating case can not satisfy the actual demand of construction time well, causes realizing the health monitoring of Geotechnical Engineering, affects the safety of Geotechnical Engineering.
Summary of the invention
The dam monitoring instrument line concentrating case that the present invention is directed to the manual control of present employing requires artificial near-earth to control and existing dam monitoring instrument line concentrating case automated production need to be powered and the Geotechnical Engineering scene can not find the problem of power supply, a kind of device of realizing dam monitoring instrument line concentrating case automatic channel switching controls is provided, and this device can make dam monitoring instrument line concentrating case realize passive work and automatic channel switching controls.The invention still further relates to a kind of method that realizes dam monitoring instrument line concentrating case automatic channel switching controls.
Technical scheme of the present invention is as follows:
A kind of device of realizing dam monitoring instrument line concentrating case automatic channel switching controls, it is characterized in that, comprise the automatic line concentrating case of dam monitoring instrument, line concentrating case controller and telecommunication cable, described line concentrating case controller comprises interconnective power carrier signal generator and microcontroller, the power carrier signal generator is connected with the first communication interface, and microcontroller is connected with display device, operational order input equipment and power interface; The automatic line concentration case of described dam monitoring instrument comprises second communication interface, power carrier decoding circuit, channel selection control circuit and the relay array that connects successively, be provided with Safety Monitoring Instruments interface array and Safety Monitoring Instruments heart yearn bus interface on the described relay array, also comprise the power-supply circuit that obtains power supply from the second communication interface, this power-supply circuit is to power carrier decoding circuit, channel selection control circuit and relay array power supply; Described telecommunication cable connects the first communication interface and second communication interface.
The automatic line concentrating case of described dam monitoring instrument is several, the second communication interface of the automatic line concentrating case of each dam monitoring instrument includes the identical uplink communication interface of function and downlink communication interface, and the Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of each dam monitoring instrument includes the identical up Safety Monitoring Instruments heart yearn bus interface of function and descending Safety Monitoring Instruments heart yearn bus interface; The first communication interface of described hub controller is connected with the uplink communication interface of the automatic line concentrating case of first dam monitoring instrument by the first telecommunication cable, the downlink communication interface of the automatic line concentrating case of first dam monitoring instrument is connected with the uplink communication interface of second automatic line concentrating case of dam monitoring instrument by the second communication cable, and the downlink communication interface of second automatic line concentrating case of dam monitoring instrument is connected with the uplink communication interface of the 3rd the automatic line concentrating case of dam monitoring instrument by third communication cable; The up Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of first dam monitoring instrument is used for being connected with Safety Monitoring Instruments plate reading table by the first Safety Monitoring Instruments heart yearn bus cable, the descending Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of first dam monitoring instrument is connected with the up Safety Monitoring Instruments heart yearn bus interface of second automatic line concentrating case of dam monitoring instrument by the second Safety Monitoring Instruments heart yearn bus cable, the descending Safety Monitoring Instruments heart yearn bus interface of second automatic line concentrating case of dam monitoring instrument is connected with the up Safety Monitoring Instruments heart yearn bus interface of the 3rd the automatic line concentrating case of dam monitoring instrument by the 3rd Safety Monitoring Instruments heart yearn bus cable, realizes by that analogy being connected in series of each automatic line concentrating case of dam monitoring instrument.
The automatic line concentrating case of described each dam monitoring instrument also comprises line concentrating case module's address initialization circuit, described line concentrating case module's address initialization circuit links to each other with channel selection control circuit, and line concentrating case module's address initialization circuit is used for distinguishing the physical address of the automatic line concentrating case of each dam monitoring instrument and described physical address is carried out coding input to channel selection control circuit.
Described line concentrating case module's address initialization circuit is the toggle switch circuit.
Described power-supply circuit comprises voltage-stabilizing device and electric capacity in parallel.
Described line concentrating case controller also comprises battery and charge management circuit, and described battery and charge management circuit are arranged between microcontroller and the power interface; And/or the power carrier signal generator in the described line concentrating case controller is pulse-duration modulation signal generator.
A kind of method that realizes dam monitoring instrument line concentrating case automatic channel switching controls, it is characterized in that, the method is to adopt the mode of power line carrier, PLC to carry out communicating by letter of line concentrating case controller and the automatic line concentrating case of dam monitoring instrument, the mode of described power line carrier, PLC is by the line concentrating case controller channel command code of inputting to be converted to the power carrier information code to transfer to the automatic line concentrating case of dam monitoring instrument, the automatic line concentrating case of dam monitoring instrument is carried out corresponding passage change action after the power carrier information code is reduced into the channel command code again, by in the automatic line concentrating case of dam monitoring instrument, arrange power-supply circuit make its with the communication line of line concentrating case controller on power taking to realize the power supply to the automatic line concentrating case of dam monitoring instrument.
Described line concentrating case controller changes the channel command code of inputting into the power carrier information code by the power carrier signal generator first, passes to the automatic line concentrating case of dam monitoring instrument by telecommunication cable again; The automatic line concentrating case of described dam monitoring instrument is reduced into the channel command code to the power carrier information code by the power carrier decoding circuit, drives corresponding relay work in the relay array by channel selection control circuit again, realizes that passage automaticallyes switch; Described power-supply circuit obtains power supply and powers to power carrier decoding circuit, channel selection control circuit and relay array in telecommunication cable.
The automatic line concentrating case of described dam monitoring instrument adopts several and is arranged to cascade structure, and the automatic line concentrating case of described each dam monitoring instrument is distinguished the physical address of the automatic line concentrating case of each dam monitoring instrument and described physical address is carried out coding input to channel selection control circuit by line concentrating case module's address initialization circuit.
Described line concentrating case module's address initialization circuit is the toggle switch circuit; And/or described power-supply circuit comprises voltage-stabilizing device and electric capacity in parallel; And/or described power carrier signal generator is pulse-duration modulation signal generator.
Technique effect of the present invention is as follows:
The device of the realization dam monitoring instrument line concentrating case automatic channel switching controls that the present invention relates to, comprise the automatic line concentrating case of dam monitoring instrument, line concentrating case controller and telecommunication cable, the line concentrating case controller comprises interconnective power carrier signal generator and microcontroller, microcontroller flows to the power carrier signal generator with the channel number of operational order input equipment input as the channel command code, the power carrier signal generator is changed to corresponding power carrier information code with this channel command code, this power carrier information code transfers to the automatic line concentrating case of dam monitoring instrument by the telecommunication cable that the first communication interface connects, the automatic line concentration case of dam monitoring instrument comprises the second communication interface that connects successively, the power carrier decoding circuit, channel selection control circuit and relay array, the automatic line concentrating case of dam monitoring instrument receives the power carrier information code by the second communication interface, the power carrier decoding circuit transfers to channel selection control circuit after the power carrier information code is reduced into the channel command code, drive the corresponding relay work in the relay array, make the respective channel closure or disconnect realization automatic channel switching controls.The design that this device of the present invention adopts the automatic line concentrating case of dam monitoring instrument and line concentrating case controller to be used in conjunction with, the automatic line concentrating case of dam monitoring instrument and line concentrating case controller carry out power line carrier, PLC by telecommunication cable, this power line carrier, PLC mode can realize longer-distance reliable communication transmission, can be supported in reliably working under the telecommunication cable of growing (approximately 2km length), this device only needs operation line concentrating case controller, realize far measuring control, make things convenient for execute-in-place, angle from construction safety, can guarantee to measure the operation away from the explosive area to guarantee operating personnel's security, avoided artificial near-earth to control the problem of line concentrating case.In addition, also need not as line concentrating case being placed the length that far increases the every cable that connects Safety Monitoring Instruments interface array and each Safety Monitoring Instruments, the present invention will place near-earth by line concentrating case, and the line concentrating case controller in distant, only need the long telecommunication cable connection automatic line concentrating case of dam monitoring instrument and a line concentrating case controller to get final product, need simultaneously Safety Monitoring Instruments heart yearn bus cable is extended to line concentrating case controller position to Safety Monitoring Instruments plate reading meter reading, therefore reduced the total amount of using cable length.The most important thing is, the automatic line concentrating case of dam monitoring instrument among the present invention adopts passive design, do not need to consider power supply, thereby the power-supply circuit in the automatic line concentrating case of dam monitoring instrument is realized obtaining power supply function and is realized the power carrier decoding circuit in the automatic line concentrating case of dam monitoring instrument from the second communication interface, the power supply of the parts such as channel selection control circuit and relay array, power supply and the complex function of communicating by letter have been realized, solved the Geotechnical Engineering scene to the line concentrating case hard problem of powering, the dam safety monitoring of realizing the construction time had very real meaning, for the health monitoring of Geotechnical Engineering provides real feasible technology to realize means.
The Safety Monitoring Instruments interface array that arranges on the relay array of the automatic line concentrating case of dam monitoring instrument in apparatus of the present invention is used for realizing the access of tested Safety Monitoring Instruments, when tested Safety Monitoring Instruments quantity is more, the access demand that the automatic line concentrating case of several dam monitoring instruments just can satisfy all Safety Monitoring Instruments is set, the second communication interface of the automatic line concentrating case of each dam monitoring instrument includes the identical uplink communication interface of function and downlink communication interface, the Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of each dam monitoring instrument includes the identical up Safety Monitoring Instruments heart yearn bus interface of function and descending Safety Monitoring Instruments heart yearn bus interface, so that each dam monitoring instrument has the physics extensibility, the mode that is connected in series by the automatic line concentrating case of each dam monitoring instrument increases the passage access capability.
The method of the realization dam monitoring instrument line concentrating case automatic channel switching controls that the present invention relates to, adopt the mode of power line carrier, PLC to carry out communicating by letter of line concentrating case controller and the automatic line concentrating case of dam monitoring instrument, the automatic line concentrating case of dam monitoring instrument is under the controlling of line concentrating case controller, realized the automatic channel switching controls and far controlled, the method is also by arranging power-supply circuit in the automatic line concentrating case of dam monitoring instrument, this power-supply circuit on the communication line of the automatic line concentrating case of dam monitoring instrument and line concentrating case controller power taking to realize the power supply to the automatic line concentrating case of dam monitoring instrument, the working power of the automatic line concentrating case of dam monitoring instrument is supplied with in communication online by the line concentrating case controller, realize power supply with communicate by letter multiplexing, the automatic line concentrating case of dam monitoring instrument self does not need power supply, it is the work characteristics that the automatic line concentrating case of dam monitoring instrument has been realized passive, solved that existing dam monitoring instrument line concentrating case automated production need to be powered but the problem that can not find power supply at the Geotechnical Engineering scene has very real meaning to the dam safety monitoring of realizing the construction time.The method of the present invention adopts the power line carrier, PLC mode, has realized the passive automatic channel switching controls of dam monitoring instrument line concentrating case, has reduced simultaneously cable and has used the length total amount.
Description of drawings
Fig. 1 is existing dam monitoring instrument line concentrating case structured flowchart.
Fig. 2 is the preferred structure block diagram of the line concentrating case controller in apparatus of the present invention.
Fig. 3 is the preferred structure block diagram of the automatic line concentrating case of dam monitoring instrument in apparatus of the present invention.
Fig. 4 is that the automatic line concentrating case of several dam monitoring instruments in apparatus of the present invention is connected in series schematic diagram.
Fig. 5 is the electrical connection schematic diagram that apparatus of the present invention and Safety Monitoring Instruments and Safety Monitoring Instruments side are read instrument.
Fig. 6 is the preferred workflow diagram that the present invention realizes the device of dam monitoring instrument line concentrating case automatic channel switching controls.
Embodiment
The present invention will be described below in conjunction with accompanying drawing.
The invention discloses a kind of device of realizing dam monitoring instrument line concentrating case automatic channel switching controls, this device comprises the automatic line concentrating case of dam monitoring instrument, line concentrating case controller and telecommunication cable.
The preferred structure of line concentrating case controller as shown in Figure 2, the line concentrating case controller comprises microcontroller, battery and charge management circuit, power interface, keyboard, liquid crystal display, power carrier signal generator and the first communication interface.Wherein, power carrier signal generator and microcontroller interconnect, and the power carrier signal generator connects the first communication interface, microcontroller connecting fluid crystal display and keyboard, and battery and charge management circuit connect respectively microcontroller and power interface.Microcontroller is core, realizes management and co-ordination to each ingredient of line concentrating case controller; Power interface, battery and charge management circuit are that the power supply of line concentrating case controller guarantees, certainly, also can remove battery and charge management circuit, power interface is directly connected microcontroller, to power by other power supply mode, such as power supplies such as sun power, wind energy, environmental energies.Keyboard is realized manual control as the operational order input equipment, liquid crystal display is used to indicate the information such as the work state information of line concentrating case controller such as channel selecting as display device, and this embodiment shows by keyboard input channel number and by liquid crystal display.Microcontroller flows to the power carrier signal generator with the channel number of keyboard input as channel command code (with the form of 01 sequence code), the power carrier signal generator can be chosen as pwm signal generator (being pulse-duration modulation signal generator), the power carrier signal generator is changed to the power carrier information code with this channel command code, and this power carrier information code transfers to the automatic line concentrating case of dam monitoring instrument by the telecommunication cable that the first communication interface connects.The first communication interface is used for the remote information transmission between realization line concentrating case controller and the automatic line concentrating case of dam monitoring instrument.Consider that from engineering practicability the preferred portable version of line concentrating case controller, but this version of not unique appointment only need guarantee to realize the manipulation function of line concentrating case controller.
The preferred structure of the automatic line concentrating case of dam monitoring instrument as shown in Figure 3, the automatic line concentration case of dam monitoring instrument comprises second communication interface, power-supply circuit, power carrier decoding circuit, channel selection control circuit, relay array, Safety Monitoring Instruments heart yearn bus interface, Safety Monitoring Instruments interface array and line concentrating case module's address initialization circuit.Wherein, the second communication interface connects power carrier decoding circuit, channel selection control circuit and relay array successively, Safety Monitoring Instruments interface array and Safety Monitoring Instruments heart yearn bus interface are arranged on the relay array, Safety Monitoring Instruments interface array is used for connecting each Safety Monitoring Instruments, Safety Monitoring Instruments heart yearn bus interface is used for connecting Safety Monitoring Instruments plate reading table, power-supply circuit obtains power supply from the second communication interface after, again to power carrier decoding circuit, channel selection control circuit and relay array power supply.Power-supply circuit can adopt voltage-stabilizing device and electric capacity in parallel, and the power-supply circuit of this structure is simple and easy to realize.Telecommunication cable connects the first communication interface and second communication interface, therefore the second communication interface also is used for the remote information transmission between realization line concentrating case controller and the automatic line concentrating case of dam monitoring instrument.The power carrier decoding circuit is reduced into the channel command code to the power carrier information code that the second communication interface obtains, the startup channel control circuit carries out passage closure or passage opening operation to the relay of relay array respective channel, realizes the automatic channel switching controls.
Safety Monitoring Instruments interface array is used for realizing the access of tested Safety Monitoring Instruments, because tested Safety Monitoring Instruments quantity is more, the interface quantity of the Safety Monitoring Instruments interface array of the automatic line concentrating case of general single dam monitoring instrument is limited (normally 16～20 interfaces), can't satisfy the access demand of all Safety Monitoring Instruments, usually, the mode that is connected in series by the automatic line concentrating case of several dam monitoring instruments increases the passage access capability, for making the automatic line concentrating case of dam monitoring instrument have the physics extensibility, but the automatic line concentrating case of each dam monitoring instrument is designed to the electrical structure of cascade, and the automatic line concentrating case of each dam monitoring instrument need to arrange two duplicate communication interfaces of function (respectively with uplink communication interface and the name of downlink communication interface) and two the duplicate Safety Monitoring Instruments heart yearn of function bus interface (respectively with up Safety Monitoring Instruments heart yearn bus interface and the name of descending Safety Monitoring Instruments heart yearn bus interface).That is to say, the second communication interface of the automatic line concentrating case of each dam monitoring instrument includes the identical uplink communication interface of function and downlink communication interface, and the Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of each dam monitoring instrument includes the identical up Safety Monitoring Instruments heart yearn bus interface of function and descending Safety Monitoring Instruments heart yearn bus interface.In addition, distinguish physical address between the automatic line concentrating case of different dam monitoring instruments for ease of physics, all design line concentrating case module's address initialization circuit in the automatic line concentrating case of each dam monitoring instrument, this line concentrating case module's address initialization circuit links to each other with channel selection control circuit.Described line concentrating case module's address initialization circuit can be preferably the toggle switch circuit of multidigit (such as 8) and realize geocoding, take 8 as example, can produce 0～255 and amount to 256 different geocodings.Line concentrating case module's address initialization circuit inputs to channel selection control circuit with the geocoding that produces, and the relay to the relay array respective channel of channel selection circuit output carries out being accompanied with in the control information of passage closure or passage opening operation the physical address of the automatic line concentrating case of this dam monitoring instrument.
The automatic line concentrating case of several dam monitoring instruments as shown in Figure 4 is connected in series schematic diagram, among this embodiment, the automatic line concentrating case of first dam monitoring instrument is labeled as the automatic line concentrating case 1# of dam monitoring instrument, second automatic line concentrating case of dam monitoring instrument is labeled as the automatic line concentrating case 2# of dam monitoring instrument, the 3rd the automatic line concentrating case of dam monitoring instrument is labeled as the automatic line concentrating case 3# of dam monitoring instrument (not shown in FIG.), the automatic line concentrating case of each dam monitoring instrument has the uplink communication interface, the downlink communication interface, up Safety Monitoring Instruments heart yearn bus interface and descending Safety Monitoring Instruments heart yearn bus interface, the automatic line concentrating case of several dam monitoring instruments is connected in series by the uplink communication interface, the downlink communication interface, up Safety Monitoring Instruments heart yearn bus interface, descending Safety Monitoring Instruments heart yearn bus interface, telecommunication cable 1, telecommunication cable 2, Safety Monitoring Instruments heart yearn bus cable 1,2 realizations such as grade of Safety Monitoring Instruments heart yearn bus cable.The downlink communication interface of the automatic line concentrating case 1# of dam monitoring instrument is connected with the uplink communication interface of the automatic line concentrating case 2# of dam monitoring instrument by telecommunication cable 1, and the descending Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case 1# of dam monitoring instrument is connected with the up Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case 2# of dam monitoring instrument by Safety Monitoring Instruments heart yearn bus cable 1.So just realized being connected in series of the automatic line concentrating case 1# of dam monitoring instrument and the automatic line concentrating case 2# of dam monitoring instrument, the method that is connected in series of the automatic line concentrating case 2# of dam monitoring instrument and the follow-up automatic line concentrating case of dam monitoring instrument is identical therewith.Such as being connected in series of the automatic line concentrating case 2# of dam monitoring instrument and the automatic line concentrating case 3# of dam monitoring instrument, the downlink communication interface of the automatic line concentrating case 2# of dam monitoring instrument is connected with the uplink communication interface of the automatic line concentrating case 3# of dam monitoring instrument by telecommunication cable 2, and the descending Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case 2# of dam monitoring instrument is connected with the up Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case 3# of dam monitoring instrument by Safety Monitoring Instruments heart yearn bus cable 2.Realize by that analogy being connected in series of each automatic line concentrating case of dam monitoring instrument.
Fig. 5 is the electrical connection schematic diagram that apparatus of the present invention and Safety Monitoring Instruments and Safety Monitoring Instruments side are read instrument.The electrical connection of line concentrating case controller and the automatic line concentrating case of dam monitoring instrument is realized by telecommunication cable by communication interface separately.Safety Monitoring Instruments interface array is used for connecting each Safety Monitoring Instruments, i.e. the electrical connection of Safety Monitoring Instruments and the automatic line concentrating case of dam monitoring instrument is realized by telecommunication cable by Safety Monitoring Instruments interface array; Safety Monitoring Instruments heart yearn bus interface is used for connecting Safety Monitoring Instruments plate reading table, i.e. the electrical connection of Safety Monitoring Instruments plate reading table and the automatic line concentrating case of dam monitoring instrument is realized by Safety Monitoring Instruments heart yearn bus cable by Safety Monitoring Instruments heart yearn interface separately.When the automatic line concentrating case of dam monitoring instrument is connected in series for several, the first communication interface of hub controller, by a communication cable (as called after the first communication cable), with the uplink communication interface of the automatic line concentrating case of first dam monitoring instrument (the automatic line concentrating case 1# of dam monitoring instrument as shown in Figure 4), be connected, the up Safety Monitoring Instruments heart yearn EBI of the automatic line concentrating case of first dam monitoring instrument (the automatic line concentrating case 1# of dam monitoring instrument as shown in Figure 4), for by a Safety Monitoring Instruments heart yearn bus cable (as called after the first Safety Monitoring Instruments heart yearn bus cable), with Safety Monitoring Instruments plate reading table, being connected.
The automatic line concentrating case of dam monitoring instrument of apparatus of the present invention and line concentrating case controller are used in conjunction with realizes passive automatic channel switching controls, and in conjunction with Fig. 6, the preferred workflow diagram of this device is as follows:
Step 1, need to set up the automatic line concentrating case of dam monitoring instrument in apparatus of the present invention and the physical connection of line concentrating case controller, be that the line concentrating case controller connects by the first communication interface and telecommunication cable, the automatic line concentrating case of dam monitoring instrument also connects by second communication interface and telecommunication cable simultaneously, is called for short controller and line concentrating case and sets up physical connection by telecommunication cable.Certainly, also need to set up the electrical connection that apparatus of the present invention and Safety Monitoring Instruments and Safety Monitoring Instruments side are read instrument.When the automatic line concentrating case of dam monitoring instrument adopts when a plurality of, the automatic line concentrating case of each dam monitoring instrument need to be connected in series.In practical operation, such physical connection may just keep after construction finishes for the first time always, under this situation, can skip this step.
Step 2, line concentrating case controller start work, the line concentrating case controller carries out first initialization operation after start, power to the automatic line concentrating case of dam monitoring instrument by telecommunication cable simultaneously.
Step 3, the initialization of line concentrating case controller enters the stand-by operation state after finishing, the line concentrating case controller can be by the channel selecting of keyboard operation realization to the automatic line concentrating case of dam monitoring instrument, after passage is selected, press " affirmation " key, the line concentrating case controller is transformed into corresponding power carrier information code to channel command code (being the channel selecting command code this moment) by the power carrier signal generator, passes to the automatic line concentrating case of dam monitoring instrument by telecommunication cable again.The power carrier decoding circuit of the automatic line concentrating case of dam monitoring instrument is reduced into the channel selecting command code to the power carrier information code.
Step 4, the channel selecting command code is transferred to channel selection control circuit, drives the corresponding relay work in the relay array, makes corresponding passage closed, heart yearn and Safety Monitoring Instruments heart yearn bus cable by the Safety Monitoring Instruments of this passage access connect realization channel selecting function.At this moment Safety Monitoring Instruments plate reading table just can obtain the measured value of selected channel security monitoring instrument by Safety Monitoring Instruments heart yearn bus cable.
Step 5, after the measurement of finishing selected channel security monitoring instrument, the line concentrating case controller is transformed into corresponding power carrier information code to channel command code (cancel command code for channel selecting this moment) by the power carrier signal generator, passes to the automatic line concentrating case of dam monitoring instrument by telecommunication cable again.The power carrier decoding circuit of the automatic line concentrating case of dam monitoring instrument is reduced into channel selecting to the power carrier information code and cancels command code.Channel selecting is cancelled command code and is transferred to channel selection control circuit, drive the corresponding relay work in the relay array, corresponding passage is disconnected, disconnected by the heart yearn of the Safety Monitoring Instruments of this passage access physical connection with Safety Monitoring Instruments heart yearn bus cable, the realization channel selecting is cancelled function.
Step 6, after all surveying works finished, the power supply to the automatic line concentrating case of dam monitoring instrument was cancelled in the shutdown of line concentrating case controller, returns to passive states.If necessary, also should thoroughly disconnect physical connection between line concentrating case controller and the automatic line concentrating case of dam monitoring instrument.
The invention still further relates to a kind of method that realizes dam monitoring instrument line concentrating case automatic channel switching controls, the method is to adopt the mode of power line carrier, PLC to carry out communicating by letter of line concentrating case controller and the automatic line concentrating case of dam monitoring instrument, i.e. cooperating by line concentrating case controller and the automatic line concentrating case of dam monitoring instrument and communicate in the mode of power line carrier, PLC.The mode of this power line carrier, PLC is by the line concentrating case controller channel command code of inputting to be converted to the power carrier information code to transfer to the automatic line concentrating case of dam monitoring instrument, and the automatic line concentrating case of dam monitoring instrument is carried out corresponding passage change action after the power carrier information code is reduced into the channel command code again; Simultaneously the method also by in the automatic line concentrating case of dam monitoring instrument, arrange power-supply circuit make its with the communication line of line concentrating case controller on power taking to realize the power supply to the automatic line concentrating case of dam monitoring instrument.
Particularly, the line concentrating case controller changes the channel command code (cancelling command code such as channel selecting command code or channel selecting) of inputting into the power carrier information code by the power carrier signal generator first, the telecommunication cable that connects by the first communication interface again passes to the automatic line concentrating case of dam monitoring instrument, wherein, the power carrier signal generator can adopt pulse-duration modulation signal generator; The power carrier information code that the automatic line concentrating case of dam monitoring instrument transmits by second communication interface received communication cable, by the power carrier decoding circuit power carrier information code is reduced into the channel command code again, then carry out passage closure or passage opening operation by corresponding relay in the channel selection control circuit driving relay array, realize that passage automaticallyes switch; Described power-supply circuit (in other words conj.or perhaps from second communication interface) in telecommunication cable obtains power supply and powers to power carrier decoding circuit, channel selection control circuit and relay array.
When tested Safety Monitoring Instruments number is many, can adopt the automatic line concentrating case of a plurality of dam monitoring instruments and they are arranged to cascade structure, distinguish physical address between the automatic line concentrating case of each dam monitoring instrument for ease of physics, can in the automatic line concentrating case of each dam monitoring instrument, design a line concentrating case module's address initialization circuit and come the physical address of the automatic line concentrating case of dam monitoring instrument under it is encoded, and this coded message is inputed to channel selection control circuit as a parameter.Wherein, line concentrating case module's address initialization circuit can simple eight the toggle switch circuit of preferred structure, a toggle switch circuit namely is installed to carry out different geocodings in the automatic line concentrating case of each dam monitoring instrument.
The process flow diagram of the method for the present invention can be with reference to the workflow diagram of apparatus of the present invention shown in Figure 6: after the physical connection of carrying out the automatic line concentrating case of dam monitoring instrument and line concentrating case controller and the automatic line concentrating case of dam monitoring instrument and Safety Monitoring Instruments and Safety Monitoring Instruments side are read the electrical connection of instrument, the line concentrating case controller can be by the channel selecting of keyboard operation realization to the automatic line concentrating case of dam monitoring instrument, the line concentrating case controller is transformed into corresponding power carrier information code to the channel selecting command code by the power carrier signal generator, and the telecommunication cable that connects by the first communication interface again passes to the automatic line concentrating case of dam monitoring instrument; The power carrier information code that the automatic line concentrating case of dam monitoring instrument transmits by second communication interface received communication cable, by the power carrier decoding circuit power carrier information code is reduced into the channel selecting command code again, then drive corresponding relay work in the relay array by channel selection control circuit, make corresponding passage closed, heart yearn and Safety Monitoring Instruments heart yearn bus cable by the Safety Monitoring Instruments of this passage access connect, realize the channel selecting function, at this moment Safety Monitoring Instruments plate reading table just can obtain the measured value of selected channel security monitoring instrument by Safety Monitoring Instruments heart yearn bus cable.
After surveying work finishes, the line concentrating case controller is cancelled the channel selecting command code by the controller transmission and is sent to the power carrier signal generator, the power carrier signal generator is cancelled command code to channel selecting and is transformed into corresponding power carrier information code, and the telecommunication cable that connects by the first communication interface again passes to the automatic line concentrating case of dam monitoring instrument; The power carrier information code that the automatic line concentrating case of dam monitoring instrument transmits by second communication interface received communication cable, by the power carrier decoding circuit power carrier information code being reduced into channel selecting again cancels command code and it is transferred to channel selection control circuit, drive the corresponding relay work in the relay array, corresponding passage is disconnected, disconnected by the heart yearn of the Safety Monitoring Instruments of this passage access physical connection with Safety Monitoring Instruments heart yearn bus cable, the realization channel selecting is cancelled function.
The method of the present invention is used dam monitoring instrument line concentrating case and the pairing of line concentrating case controller, and adopt the mode of power line carrier, PLC to communicate, the automatic line concentrating case of dam monitoring instrument is under the controlling of line concentrating case controller, realized the automatic channel switching controls, and the automatic line concentrating case of dam monitoring instrument is originally as passive form, its working power is supplied with in communication online by the line concentrating case controller, realize power supply with communicate by letter multiplexing, solved that existing dam monitoring instrument line concentrating case automated production need to be powered and the Geotechnical Engineering scene can not find the problem of power supply, the dam safety monitoring of realizing the construction time has been had very real meaning.The method can be placed on the scene with dam monitoring instrument line concentrating case in addition, and the line concentrating case controller is put in distant, both carry out longer-distance power line carrier, PLC by long telecommunication cable, to guarantee operating personnel's security, realized controlling far awayly, reduced simultaneously cable and used the length total amount.
Should be pointed out that the above embodiment can make the invention of those skilled in the art's comprehend, but do not limit the present invention in any way creation.Therefore; although this instructions has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can make amendment or be equal to replacement the invention; in a word, all do not break away from technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (10)
1. device of realizing dam monitoring instrument line concentrating case automatic channel switching controls, it is characterized in that, comprise the automatic line concentrating case of dam monitoring instrument, line concentrating case controller and telecommunication cable, described line concentrating case controller comprises interconnective power carrier signal generator and microcontroller, the power carrier signal generator is connected with the first communication interface, and microcontroller is connected with display device, operational order input equipment and power interface; The automatic line concentration case of described dam monitoring instrument comprises second communication interface, power carrier decoding circuit, channel selection control circuit and the relay array that connects successively, be provided with Safety Monitoring Instruments interface array and Safety Monitoring Instruments heart yearn bus interface on the described relay array, also comprise the power-supply circuit that obtains power supply from the second communication interface, this power-supply circuit is to power carrier decoding circuit, channel selection control circuit and relay array power supply; Described telecommunication cable connects the first communication interface and second communication interface.
2. device according to claim 1, it is characterized in that, the automatic line concentrating case of described dam monitoring instrument is several, the second communication interface of the automatic line concentrating case of each dam monitoring instrument includes the identical uplink communication interface of function and downlink communication interface, and the Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of each dam monitoring instrument includes the identical up Safety Monitoring Instruments heart yearn bus interface of function and descending Safety Monitoring Instruments heart yearn bus interface; The first communication interface of described hub controller is connected with the uplink communication interface of the automatic line concentrating case of first dam monitoring instrument by the first telecommunication cable, the downlink communication interface of the automatic line concentrating case of first dam monitoring instrument is connected with the uplink communication interface of second automatic line concentrating case of dam monitoring instrument by the second communication cable, and the downlink communication interface of second automatic line concentrating case of dam monitoring instrument is connected with the uplink communication interface of the 3rd the automatic line concentrating case of dam monitoring instrument by third communication cable; The up Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of first dam monitoring instrument is used for being connected with Safety Monitoring Instruments plate reading table by the first Safety Monitoring Instruments heart yearn bus cable, the descending Safety Monitoring Instruments heart yearn bus interface of the automatic line concentrating case of first dam monitoring instrument is connected with the up Safety Monitoring Instruments heart yearn bus interface of second automatic line concentrating case of dam monitoring instrument by the second Safety Monitoring Instruments heart yearn bus cable, the descending Safety Monitoring Instruments heart yearn bus interface of second automatic line concentrating case of dam monitoring instrument is connected with the up Safety Monitoring Instruments heart yearn bus interface of the 3rd the automatic line concentrating case of dam monitoring instrument by the 3rd Safety Monitoring Instruments heart yearn bus cable, realizes by that analogy being connected in series of each automatic line concentrating case of dam monitoring instrument.
3. device according to claim 2, it is characterized in that, the automatic line concentrating case of described each dam monitoring instrument also comprises line concentrating case module's address initialization circuit, described line concentrating case module's address initialization circuit links to each other with channel selection control circuit, and line concentrating case module's address initialization circuit is used for distinguishing the physical address of the automatic line concentrating case of each dam monitoring instrument and described physical address is carried out coding input to channel selection control circuit.
4. device according to claim 3 is characterized in that, described line concentrating case module's address initialization circuit is the toggle switch circuit.
5. according to claim 1 to one of 4 described devices, it is characterized in that, described power-supply circuit comprises voltage-stabilizing device and electric capacity in parallel.
6. according to claim 1 to one of 4 described devices, it is characterized in that, described line concentrating case controller also comprises battery and charge management circuit, and described battery and charge management circuit are arranged between microcontroller and the power interface; Power carrier signal generator in the described line concentrating case controller is pulse-duration modulation signal generator.
7. method that realizes dam monitoring instrument line concentrating case automatic channel switching controls, it is characterized in that, the method is to adopt the mode of power line carrier, PLC to carry out communicating by letter of line concentrating case controller and the automatic line concentrating case of dam monitoring instrument, the mode of described power line carrier, PLC is by the line concentrating case controller channel command code of inputting to be converted to the power carrier information code to transfer to the automatic line concentrating case of dam monitoring instrument, the automatic line concentrating case of dam monitoring instrument is carried out corresponding passage change action after the power carrier information code is reduced into the channel command code again, by in the automatic line concentrating case of dam monitoring instrument, arrange power-supply circuit make its with the communication line of line concentrating case controller on power taking to realize the power supply to the automatic line concentrating case of dam monitoring instrument.
8. method according to claim 7, it is characterized in that, described line concentrating case controller changes the channel command code of inputting into the power carrier information code by the power carrier signal generator first, passes to the automatic line concentrating case of dam monitoring instrument by telecommunication cable again; The automatic line concentrating case of described dam monitoring instrument is reduced into the channel command code to the power carrier information code by the power carrier decoding circuit, drives corresponding relay work in the relay array by channel selection control circuit again, realizes that passage automaticallyes switch; Described power-supply circuit obtains power supply and powers to power carrier decoding circuit, channel selection control circuit and relay array in telecommunication cable.
9. method according to claim 8, it is characterized in that, the automatic line concentrating case of described dam monitoring instrument adopts several and is arranged to cascade structure, and the automatic line concentrating case of described each dam monitoring instrument is distinguished the physical address of the automatic line concentrating case of each dam monitoring instrument and described physical address is carried out coding input to channel selection control circuit by line concentrating case module's address initialization circuit.
10. method according to claim 9 is characterized in that, described line concentrating case module's address initialization circuit is the toggle switch circuit; Described power-supply circuit comprises voltage-stabilizing device and electric capacity in parallel; Described power carrier signal generator is pulse-duration modulation signal generator.
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| CN2011104306493A CN102520696B (en) | 2011-12-20 | 2011-12-20 | Apparatus for realizing automatic channel switching control of large dam monitoring apparatus collective line box and method thereof |
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| CN108768461B (en) * | 2018-06-11 | 2020-09-04 | 中国水利水电科学研究院 | Engineering communication transfer device and system |
| CN109856471A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of multi-parameter Interface Matching and verifying system |
| CN109668583B (en) * | 2019-01-04 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Manual rapid observation device for chord type safety monitoring instrument |
| CN110470342A (en) * | 2019-08-22 | 2019-11-19 | 长江勘测规划设计研究有限责任公司 | A kind of water conservancy and hydropower Safety Monitoring Instruments observation station and its application method |
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| CN202372845U (en) * | 2011-12-20 | 2012-08-08 | 基康仪器(北京)有限公司 | Device for achieving changing-over control of automatic channels of dam monitoring instrument line centralizing box |
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