CN1558244A - Wireless telemetering system for wire loaded current - Google Patents
Wireless telemetering system for wire loaded current Download PDFInfo
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- CN1558244A CN1558244A CNA2004100030361A CN200410003036A CN1558244A CN 1558244 A CN1558244 A CN 1558244A CN A2004100030361 A CNA2004100030361 A CN A2004100030361A CN 200410003036 A CN200410003036 A CN 200410003036A CN 1558244 A CN1558244 A CN 1558244A
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Abstract
The present invention discloses radio remote on-line wire current measuring system. The technological scheme is the system includes radio remote metering instrument, ground remote controller, and ground receiver. The radio remote metering instrument consists of main body, circuit part, power supply and other parts. The current measuring instrument has the advantages of capacity of live installation and detaching, radio mode measurement of high voltage current, and being safe and convenient. The present invention may be used widely the load monitoring, power dispatching, relay protection, power metering, etc. of electric power system.
Description
Technical field:
The present invention relates to the measurement of electric current, especially relate to online line live stream wireless remote-measuring system.
Background technology:
Carry out on-line measurement with high-tension current inductor at present, must have a power failure and install, formality is loaded down with trivial details, the cost height.The secondary current of existing current measurement is with lead it to be transferred back to measurement point, primary and secondary insulation intractable.And in case the insulation failure will be got back to ground with high pressure zone, consequence is hardly imaginable.Adopt wired system, also very easily artificially reached natural cause and destroy, even cause the serious consequence of phase fault.And find as yet now and can remote control install, especially can be at the high-pressure system (current measurement instrument of charged installation of 10KV～35KV).
Summary of the invention:
The object of the present invention is to provide a kind of can be charged remote control the current-carrying safe and reliable line live stream of slotted line wireless remote-measuring system in real time is installed and the wireless online of dismounting.
Purpose of the present invention is implemented by following technical scheme:
This system includes wireless telemetering instrument, ground remote control device, ground receiving instrument;
(1), described wireless telemetering instrument is made up of wireless telemetering instrument body and wireless telemetering instrument circuit part and power unit; Described wireless telemetering instrument body includes housing, tension disk and on-off action mechanism thereof and mutual inductor jaw and on-off action mechanism thereof, and described tension disk and on-off action mechanism thereof and mutual inductor jaw and on-off action mechanism thereof place in the described housing; And wherein said wireless telemetering instrument circuit part also places in the described housing, described wireless telemetering instrument circuit part is made up of wireless telemetering instrument control circuit and wireless telemetering instrument metering circuit, wherein said wireless telemetering instrument metering circuit includes current measurement circuit, the current signal change-over circuit, the V/F translation circuit, the current information coding circuit, the current information radiating circuit, the output terminal of wherein said current measurement circuit links to each other with the input end of described current signal change-over circuit, the output terminal of described current signal change-over circuit links to each other with the input end of described V/F translation circuit, the output terminal of described V/F translation circuit links to each other with the input end of described current information coding circuit, and the output terminal of described current information coding circuit links to each other with the input end of described current information radiating circuit;
Described wireless telemetering instrument control circuit includes wireless telemetering instrument control signal and receives and signal processing circuit, wireless telemetering instrument control signal decoding circuit, wireless telemetering instrument tension disk open and close control circuit and wireless telemetering instrument mutual inductor jaw open and close controlling circuit; Wherein said wireless telemetering instrument control signal receives and the input end of signal processing circuit links to each other with antenna ANT, described wireless telemetering instrument control signal receives and the output terminal of signal processing circuit links to each other with the input end of described wireless telemetering instrument control signal decoding circuit, and the output terminal of described wireless telemetering instrument control signal decoding circuit links to each other with the input end of described wireless telemetering instrument tension disk open and close controlling circuit and the input end of described wireless telemetering instrument mutual inductor jaw open and close controlling circuit respectively;
(2), described ground remote control device is made up of wireless telemetering instrument action command transtation mission circuit, wireless telemetering instrument action command coding circuit and wireless telemetering instrument action command radiating circuit;
(3), described ground receiving instrument by current information wireless receiving circuit, current information filtering and shaping circuit, current information decoding circuit, F/V translation circuit, current information waveform processing and amplitude adjust circuit, the current waveform phase-adjusting circuit is formed;
The described wireless telemetering instrument of described ground remote control device remote control body, make described mutual inductor jaw closure, make tested lead pass current transformer, hook type current transformer converts current in wire to weak current by current measurement circuit, and then weak current is converted to the voltage signal that is directly proportional with it by the current signal change-over circuit, pass through the V/F translation circuit again, convert voltage signal to pulse signal that frequency is directly proportional with input current, through being added to after the current information coding circuit modulation on wireless encoding transmits, launch through the current information radiating circuit; After emission, current information wireless receiving circuit by the described ground receiving instrument that coding is corresponding with it receives, to receive signal again through described current information filtering and shaping circuit filtering, shaping, decode through the current information decoding circuit then, pulse signal is transformed into the voltage signal that is directly proportional with pulsed frequency by the F/V translation circuit again, carry out the phase place adjustment through the current waveform phase-adjusting circuit, then obtain with tested electric current in direct ratio on amplitude, the voltage signal that phase place is identical, promptly this voltage signal can characterize out the parameter of tested electric current.
The body of described wireless telemetering instrument is down " V " shape, described tension disk and on-off action mechanism thereof be in described the falling on the leg of an end of " V " shape of " V " shape body of falling, and described mutual inductor jaw and on-off action mechanism thereof are in described upper end of falling " V " shape body and described the falling on the leg of the other end of " V " shape of " V " shape body of falling;
(1), described tension disk and on-off action mechanism thereof include tension disk, motor and speed reduction unit, wherein said tension disk includes moving mounting board and quiet mounting board, described moving mounting board is at described tension disk front end, described quiet mounting board is fixed on the described top of " V " shape housing, relative with described moving mounting board, described tension disk links to each other with described speed reduction unit, and described speed reduction unit links to each other with described motor, and described armature links to each other with the output terminal of described wireless telemetering instrument control circuit;
(2), described mutual inductor jaw and on-off action mechanism thereof include and are positioned at the described mutual inductor that falls " V " shape body top and at the described push rod on the leg of the other end of " V " shape of falling that falls " V " shape body, jaw open and close controlling device assembly, reductor and motor, described jaw open and close controlling device assembly links to each other with described push rod in described push rod lower end, the other end of described push rod links to each other with described jaw open and close controlling device assembly, the other end of described jaw open and close controlling device assembly links to each other with described reductor, described reductor links to each other with described motor, and described armature links to each other with the output terminal of described wireless telemetering instrument control circuit; Described mutual inductor includes and is positioned at the described secured core on " V " shape body top, is tied with secondary coil on described secured core; Removable iron core is connected by connecting lever with secured core, formation can open and close jaw, described removable iron core is hook-like, be provided with insulating part at described secured core and described removable iron core outside, be provided with spring base in described secured core upper end, another relative spring base places on the secondary bar of described connecting lever, is spring between described two spring bases.
Described jaw shutter assembly is made up of tie-plate, stroke touching lever, orienting sleeve, screw rod and promotion nut, wherein said reductor links to each other with described screw rod by described tie-plate, described promotion nut is connected with described screw flight, above described promotion nut end, be provided with the stroke touching lever, be provided with orienting sleeve in described promotion nut periphery.
Described moving mounting board includes screw rod, tie-plate, promotion nut, joint, orienting sleeve, stroke touching lever and wire clipping latch and forms, wherein said reductor links to each other with described screw rod by described tie-plate, described promotion nut is connected with described screw flight, above described promotion nut end, be provided with the stroke touching lever, be provided with orienting sleeve in described promotion nut periphery, described joint is positioned at described tension disk front end.
The output terminal of the described current information wireless receiving circuit in the receiving instrument of described ground links to each other with the input end of described current information filtering and shaping circuit, the output terminal of described current information filtering and shaping circuit links to each other with the input end of described current information decoding circuit, the output terminal of described current information decoding circuit links to each other with the input end of described F/V translation circuit, the output terminal of described F/V translation circuit links to each other with the input end that described current information waveform processing and amplitude are adjusted circuit, and the output terminal that described current information waveform processing and amplitude are adjusted circuit links to each other with the input end of described current waveform phase-adjusting circuit.
The coding of the geocoding end of the described current information decoding circuit of described ground receiving instrument is corresponding one by one with the address code of the current information coding circuit of described wireless telemetering instrument current measurement circuit.
Described wireless telemetering instrument power unit [4.3] includes the working power of described wireless telemetering instrument current measurement circuit and the working power of described wireless telemetering instrument control circuit.
Lower end at described wireless telemetering instrument body is provided with guides, is provided with in described guides that the metallic conduction contact is connected with described wireless telemetering instrument control circuit or the working power of described wireless telemetering instrument current measurement circuit is connected.
Line live stream wireless remote-measuring system is provided with a push rod, it forms for more piece insulation rod phase fit, insulation rod topmost is that push rod is sent the power supply part outside, the insulation rod that described push rod is sent power supply part and described lower end outside is fit mutually, in sending the power supply part outside, described push rod is provided with a battery compartment, in described battery compartment, be provided with battery and buckleing at the battery of described battery front portion, send power supply part front end outside at described push rod and be provided with electrode contacts, send power supply part front end inside outside at described push rod and be provided with elastic sheet metal, be connected with described electrode contacts, one end of power lead links to each other with the electrode contacts of described battery, the other end links to each other with the electrode contacts that described push rod is sent power supply part front end outside, sends the anterior side of power supply part outside at described push rod and is provided with the guides dop; The insulation rod of the top of described push rod, it is corresponding to be that push rod is sent the interior metallic conduction contact of two electrode contacts and the described guides of power supply part outside, described push rod insert described guides and in place after, described two electrode contacts and the corresponding connection of described metallic conduction contact.
Power unit in the housing of described wireless telemetering instrument body can be a rechargeable battery, also can be solar cell or common batteries.
The invention has the advantages that: can charged installation and the dismounting current measurement instrument; and can measure high-tension current with wireless mode; so promptly convenient safety again; especially its security is that present wired system is incomparable, can be widely used in the load monitoring of electric system; anti-electricity-theft; power scheduling, relay protection is in the systems such as electric-power metering and line loss analyzing.
Description of drawings:
Fig. 1 is line live stream wireless remote-measuring system synoptic diagram of the present invention.
Fig. 2 is line live stream wireless remote-measuring system structured flowchart of the present invention.
Fig. 3 is line live stream wireless remote-measuring system electrical structure block diagram of the present invention.
Fig. 4 is the longitudinal profile synoptic diagram of wireless telemetering instrument body of the present invention.
Fig. 5 is the diagrammatic sketch of bowing of wireless telemetering instrument body of the present invention.
Fig. 6 is the B-B sectional view of Fig. 4.
Fig. 7 is the A-A sectional view of Fig. 4.
Fig. 8 is a push rod one-piece construction synoptic diagram of the present invention.
Fig. 9 is the part sectioned view of sending the power supply part outside of push rod front end of the present invention.
Figure 10 is a wireless telemetering instrument control circuit schematic diagram of the present invention.
Figure 11 is for being wireless telemetering instrument metering circuit schematic diagram of the present invention.
Figure 12 ground of the present invention receiving instrument electrical schematic diagram.
Figure 13 is a ground remote control device electrical schematic diagram of the present invention.
Figure 14 (1) is a wireless telemetering instrument metering circuit working waveform figure of the present invention.
Figure 14 (2) is a wireless receiving instrument working waveform figure of the present invention.
Embodiment:
Embodiment 1: the invention will be further described below in conjunction with drawings and Examples.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 Figure 12, Figure 13, Figure 14 (1), Figure 14 (2), line live stream wireless remote-measuring system includes push rod 1, wireless telemetering instrument 4, ground remote control device 2, ground receiving instrument 3;
Power unit 4.3 in the housing 4.11 of wireless telemetering instrument body 4.1: the working power 4.32 of the working power 4.31 of wireless telemetering instrument current measurement circuit 4.22 and wireless telemetering instrument control circuit 4.21 can be a rechargeable battery, also can be solar cell or common batteries.
Ground remote control device 2 is made up of wireless telemetering instrument action command transtation mission circuit 2.1, wireless telemetering instrument action command coding circuit 2.2 and wireless telemetering instrument action command radiating circuit 2.3;
Ground remote control device 2 remote control wireless telemetering instrument bodies 4.1, make mutual inductor jaw closure, make tested lead pass current transformer, hook type current transformer converts current in wire to weak current by current measurement circuit 4.221, and then weak current is converted to the voltage signal that is directly proportional with it by current signal change-over circuit 4.222, pass through V/F translation circuit 4.223 again, convert voltage signal to pulse signal that frequency is directly proportional with input current, through being added to after current information coding circuit 4.224 modulation on wireless encoding transmits, through 4.225 emissions of current information radiating circuit; After emission, current information wireless receiving circuit 3.1 by the described ground receiving instrument 3 that coding is corresponding with it receives, to receive signal again through described current information filtering and shaping circuit 3.2] filtering, shaping, then through 3.3 decodings of current information decoding circuit, pulse signal is transformed into the voltage signal that is directly proportional with pulsed frequency by F/V translation circuit 3.4 again, carry out the phase place adjustment through current waveform phase-adjusting circuit 3.6, then obtain with tested electric current in direct ratio on amplitude, the voltage signal that phase place is identical, promptly this voltage signal can characterize out the parameter of tested electric current.
The coding of the geocoding end of the current information decoding circuit 3.3 of ground receiving instrument 3 is corresponding one by one with the address code of the current information coding circuit 4.224 of wireless telemetering instrument current measurement circuit 4.22.
Lower end at wireless telemetering instrument body 4.1 is provided with guides 5, is provided with the metallic conduction contact and is connected with wireless telemetering instrument control circuit 4.21 or is connected with the working power 4.31 of wireless telemetering instrument current measurement circuit 4.22 in guides 5.
As Fig. 8, shown in Figure 9, line live stream wireless remote-measuring system is provided with a push rod 1, include circuit part 1.2 in push rod body 1.1 and the push rod, the push rod body is that more piece insulation rod 6.1 phase fits form, insulation rod topmost is that push rod is sent power supply part 6.2 outside, the insulation rod 6.1 that push rod is sent power supply part 6.2 and lower end outside is fit mutually, in sending power supply part 6.2 outside, push rod is provided with a battery compartment 6.21, in battery compartment 6.21, be provided with battery 6.22 and buckle 6.23 at the battery of battery 6.22 front portions, send power supply part 6.2 front ends outside at push rod and be provided with electrode contacts 6.24, send power supply part front end inside outside at push rod and be provided with elastic sheet metal 6.25, be connected with electrode contacts 6.24, one end of power lead 6.26 links to each other with the electrode contacts 6.24 of battery 6.22, the other end links to each other with the electrode contacts 6.24 that push rod is sent power supply part 6.2 front ends outside, sends power supply part 6.2 anterior sides outside at push rod and is provided with guides dop 6.27; The insulation rod of the top of push rod 6, it is corresponding to be that push rod is sent the interior metallic conduction contact 5.1 of two electrode contacts 6.24 and the guides 5 of power supply part 6.2 outside, after push rod 1 insertion guides 5 is also in place, two electrode contacts 6.24 and the 5.1 corresponding connections of metallic conduction contact.Battery 6.22 usefulness common batteries or rechargeable batteries.
The process of system works is: with push rod 1 wireless telemetering instrument 4 is delivered to lead to be measured top earlier, and be connected across on the lead to be measured, send action command with ground telepilot 2 then, make tension disk 4.121 closed clampings of wireless telemetering instrument 4, make wireless telemetering instrument 4 that stable location be arranged, send action command with ground telepilot 2 again, make the mutual inductor jaw actuating mechanism 4.13 of wireless telemetering instrument 4 finish the closed work of mutual inductor jaw, finish 4 installation of wireless telemetering instrument, take off push rod 1, the measure portion of wireless telemetering instrument and 4.3 energisings of radiating portion 4.22 power units, the break-make of this power supply is controlled with mutual inductor jaw limit switch XW3, promptly after XW3 closure (mutual inductor jaw closure), this power supply is just connected, the current measurement of wireless telemetering instrument, coding radiating portion 4.22 is started working, the current measurement of wireless telemetering instrument 4, conversion, the current measurement circuit 4.221 of coding radiating portion 4.22 changes into tested electric current the ac voltage signal that is directly proportional with tested electric current, again this ac voltage signal is delivered to current converter circuit 4.222, the voltage signal that characterizes tested electric current is converted to the pulsed dc voltage signal of single direction, this signal is sent into V/F translation circuit 4.223 again, the frequency of the pulse signal that the output terminal of V/F translation circuit 4.223 obtains, be directly proportional with the voltage of this circuit of input, with this pulse deliver to current information coding circuit 4.224 encode adjust after, again by the form of current information radiating circuit 4.225 with radiowave, this coding is launched, this moment the current information ripple be have characteristic frequency and coding to be different from adjacent telemetering of current instrument, prevent that disturbing effect from normally measuring its course of work such as Figure 12 (1).
Wireless telemetering instrument machinery constitutes as Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, below elaborate earlier with regard to its physical construction:
The body of wireless telemetering instrument is down " V " shape, the falling on the leg of an end of " V " shape of " V " shape body 4.1 fallen by tension disk and on-off action mechanism 4.12 thereof, mutual inductor jaw and on-off action mechanism 4.13 thereof fall " V " shape body 4.1 the upper end and fall the falling on the leg of the other end of " V " shape of " V " shape body 4.1; The housing of wireless telemetering instrument mainly acts on the installation that constitutes inner each element and supports and prevent the rainwater etch.And have insulating effect, housing all is made of plastics, and promptly is convenient to install, and has effects such as antirust, corrosion-resistant, insulation again.
(1) tension disk and on-off action mechanism 4.12 thereof include tension disk 4.121, motor 4.124 and speed reduction unit 4.125, wherein tension disk 4.121 includes moving mounting board 4.122, quiet mounting board 4.123, wherein moving mounting board 4.122 is at tension disk 4.121 front ends, quiet mounting board 4.123 is fixed on down the top of " V " shape housing 4.11, relative with moving mounting board 4.122, tension disk 4.121 links to each other with speed reduction unit 4.125, speed reduction unit 4.125 links to each other with motor 4.124, and armature links to each other with the output terminal of wireless telemetering instrument control circuit 4.21;
(2), mutual inductor jaw and on-off action mechanism 4.13 thereof include the mutual inductor 4.131 that is positioned at down " V " shape body 4.1 tops and are falling the push rod 4.132 on the leg of the other end of " V " shape of falling of " V " shape body 4.1, jaw open and close controlling device assembly 4.133, reductor 4.134 and motor 4.135, jaw open and close controlling device assembly 4.133 links to each other with push rod 4.132 in push rod 4.132 lower ends, the other end of push rod 4.132 links to each other with jaw open and close controlling device assembly 4.133, the other end of jaw open and close controlling device assembly 4.133 links to each other with reductor 4.134, reductor 4.134 links to each other with motor 4.135, and armature links to each other with the output terminal of wireless telemetering instrument control circuit 4.21; Mutual inductor 4.131 includes the secured core 4.1311 that is positioned at down " V " shape body 4.1 tops, is tied with secondary coil 4.1312 on secured core 4.1311; Removable iron core 4.1313 is connected by connecting lever 4.1314 with secured core 4.1311, formation can open and close jaw, removable iron core 4.1313 is hook-like, be provided with insulating part 4.1315 at secured core 4.1311 and removable iron core 4.1313 outsides, be provided with spring base 4.1316 in secured core 4.1311 upper ends, another relative spring base 4.1317 places on the secondary bar 4.1318 of connecting lever 4.1314, is spring 4.1319 between two spring bases 4.1316,4.1317.
Jaw shutter assembly 4.133 is made up of tie-plate 4.1331, stroke touching lever 4.1332, orienting sleeve 4.1333, screw rod 4.1334 and promotion nut 4.1335, wherein reductor 4.134 links to each other with screw rod 4.1334 by tie-plate 4.1331, promoting nut 4.133 is threaded with screw rod 4.1334, promoting to be provided with stroke touching lever 4.1332 above nut 4.1335 ends, be provided with orienting sleeve 4.1333 in promotion nut 4.133 peripheries.
Moving mounting board 4.122 includes screw rod 4.1211, tie-plate 4.1212, promotion nut 4.1213, joint 4.1214, orienting sleeve 4.1215, stroke touching lever 4.1216 and wire clipping latch 4.1217 and forms, wherein reductor 4.125 links to each other with screw rod 4.1211 by tie-plate 4.1212, promoting nut 4.1213 is threaded with screw rod 4.1211, promoting to be provided with stroke touching lever 4.1216 above nut 4.1213 ends, be provided with orienting sleeve 4.1215 in promotion nut 4.1213 peripheries, joint 4.1214 is positioned at tension disk 4.121 front ends.
The operating principle of the actuating mechanism that wireless telemetering instrument tension disk can open and close is: servomotor (the little special motor of direct current) is through reducing gear, the promotion nut moves forward and backward, driving moving mounting board 4.122 when moving ahead moves ahead, moving mounting board 4.122 can not continue to move ahead after blocking lead, but promotion nut, because the place ahead compression spring, can continue the 4～5mm that moves ahead, spring compression is on moving mounting board 4.122, so just increased the holding force on the moving mounting board 4.122, after this power reaches certain value, motor rotation blockage, send signal through pressure detection circuit (motor working current), motor is stopped operating (seeing below circuit part), because force transmission mechanism is a screw pair, unpowered can not returning voluntarily, then self-locking all the time keeps above-mentioned pressure, and telegauge is blocked during whole measurement.If will unclamp, make the servomotor counter-rotating through remote control, moving mounting board 4.122 is done in the other direction with the promotion nut and is moved, and mounting board 4.122 is unclamped.Backhaul approximately can reach 30～35mm, and purpose is to remove mounting board to be convenient to lead turnover, handled easily.Backhaul is by travel switch control off-position, because the tested diameter difference of leading, no matter which kind of the line footpath in φ 6.7～16mm scope, as long as reach clamping force, be that motor rotation blockage reaches certain hour (after 2～3s), pressure detection circuit no longer has a power failure motor, and the tested lead that so just can guarantee various diameters is on a covering device, can guarantee that lead clamps, and motor and force transmission mechanism can long term overloadings.
The on-off action mechanism 4.13 of wireless telemetering instrument current transformer movable clamp port, the course of work is as follows: moving iron core makes movable clamp port and secured core jaw closure by spring, opening jaw makes instrument hang up lead or unloads from lead, need use a teleswitch and 2 give an order and connect the servomotor action power, as jaw is opened, then make the motor counter-rotating, driving screw rod through reductor rotates at a slow speed, this screw rod can not be done rectilinear motion, nut engaged moves axially to previous crops with it, this nut promotion push rod makes connecting lever rotate compression spring around the axle center and drive movable clamp port and opens, connecting lever and movable clamp port are fixed together, if close jaw, only need remote control to connect motor power, motor is just changeed, move opposite with above-mentioned action, the promotion nut is return, movable clamp port under spring action return and with the regular jaw closure, the extreme position that jaw opens and closes is closed down by travel switch control servomotor working power.
The effect and the course of work of wireless telemetering instrument 4 are as follows: its housing is mainly as the support that inner each several part parts are installed; play the location again; dustproof; protective effect such as rainproof grade; inner tension disk 4.121 is located for the wireless telemetering instrument; prevent that it from sliding along the lead direction; mutual inductor is as the critical component that detects electric current; the command information that the circuit part 4.21 that operation control command receives and carries out in the wireless telemetering instrument receives from the ground telepilot; after decoding; control corresponding servomotor actuating circuit; servomotor is just finished; backward rotation; finish the on-off action of tension disk and jaw by its auxiliary body; the current waveform that current measurement transform coding and radiating circuit 4.22 get current transformer in the wireless telemetering instrument; adjust circuit through overpotential and carry out current potential adjustment (adding DC quantity; make it become positive voltage; so that it can carry out the V/F conversion; send into the V/F translation circuit; the magnitude of current that records is become the pulsed quantity that is directly proportional with it; this pulsed quantity is sent into pulse moder encodes; then this coding is sent into the pulse radiating circuit, will carry the coding of current information with the form of radiowave and launch.
Lifting concrete circuit below respectively describes in detail.
(1): the description of the physical circuit of wireless telemetering instrument control circuit 4.21.As shown in figure 10.
The wireless telemetering instrument control information reception of wireless telemetering instrument control circuit 4.21 and signal processing circuit 4.211 are by antenna ANT2, triode TR1, TR2, TR3 and resistance, electric capacity, inductance L 3 is formed the control information receiving circuit, regulate the oscillation frequency that inductance L 3 can be regulated this receiving circuit, so that the local frequency of this part circuit is identical with ground remote control device 2 transmission frequencies, make the receiving well of control information, and prevent to disturb, if adopt the shared ground remote control device of a plurality of wireless telemetering instrument, then need frequency furnishing unanimity with controlled wireless telemetering instrument, comparer IC13, R7, R6, C3, C4 forms signal processing circuit, waveform with the control signal that will receive is organized into logical circuit acceptable logic level, IC13 can be made up of dedicated comparator or the higher operational amplifier of speed, and the output of IC13 links to each other with the input end of wireless telemetering instrument control information decoding circuit 4.212.
The wireless telemetering instrument control information decoding circuit 4.212 signal receiving circuit IC by the private radio remote control module form, the geocoding of the information coding circuit 2.2 in its geocoding and the corresponding ground telepilot 2 is corresponding one by one, IC2 in the wireless telemetering instrument control information decoding circuit 4.212 must select for use with ground remote control device 2 in information coding circuit 2.2 in the remote control module of IC1 pairing, switch AN1～AN4 the setting command of IC1 in the information coding circuit 2.2 in the output state of four output terminal TD1～TD4 of this demoder IC10 and the ground remote control device 2 is corresponding, (wherein IC14 is a voltage-stabilizing device, prevent that voltage fluctuation from exerting an influence to the work of message pick-up decoding circuit), TD1, TD2 is a tension disk open and close controlling end, TD3, TD4 is a mutual inductor jaw open and close controlling end, TD1, the output of TD2 links to each other TD3 with the input end of wireless telemetering instrument tension disk open and close controlling circuit 4.213, the output terminal of TD4 links to each other with the input end of wireless telemetering instrument mutual inductor jaw open and close controlling circuit 4.214.
Wireless telemetering instrument tension disk open and close controlling circuit 4.213 is made up of logical AND gate IC5, inverter ic 7, IC8, comparer IC6, stabilivolt WY0, potentiometer DW0, resistance R 8～R12, DJ1, triode TR4～TR7, and wherein triode TR4～TR7 constitutes the bridge-type motor positive inversion control circuit as on-off circuit.Be TR4 and TR7 conducting, then motor just changes, and tension disk is unclamped, TR5 and TR6 conducting, then motor just changes, and tension disk is clamped, among IC5, the RJ, potentiometer DW, stabilivolt WY form motor thrust (clamping force) control circuit, after lead is clamped, motor rotation blockage, IC6 produces electronegative potential, make IC5 be output as low level, motor stops forward rotation, promptly stops to clamp action, and XW1 is the limit switch of motor counter-rotating when unclamping.Triode TR4～TR7 also can be by controllable silicon, field effect transistor constant power transistor or relay replace, its course of work is: as effective (this moment TD2 of TD1, TD3, TD4 all is lockable and is invalid), and when motor does not clamp stall because of tension disk, TR5, the TR6 conducting, motor just then tension disk is clamped, when tension disk clamped and after making the motor stall, armature electric current I j rises, Vj raises, when raising, Vj reaches certain hour (2～3S), the Cj voltage rise height that powers on, comparer IC6 state is overturn, output terminal becomes logic low, this low level makes logical AND gate IC5 output terminal become low level, this low level makes logical AND gate IC5 output terminal become low level, and make TR5, TR6 is become by conducting and ends, and motor can not be rotated, stabilivolt WY0 stablizes for the setting voltage of the comparative voltage that guarantees comparer, the adjustment of potentiometer DW0 can make the setting voltage of the positive input terminal of comparer change, when the output terminal TD2 of demoder 4.212 is effective, (this moment TD1, TD3, TD4 is all invalid, i.e. output low level).The high level of TD2 output, make TR4, TR7 conducting, and the motor counter-rotating that the control tension disk is opened and closed, and open tension disk, after opening fully, the nut that its drive link drives is met limit switch XW1, and limit switch XW1 is disconnected, normally closed switch is opened, and makes TR4, TR7 dead electricity, motor stops operating, and the position that tension disk is in open and be locked in open mode.R8～R12 is a triode work base stage current-limiting resistance.
Wireless telemetering instrument mutual inductor jaw open and close controlling circuit 4.214 is made up of R13～R16, inverter ic 9, IC10, triode TR8～TR11, limit switch XW2～XW3.TD3, the order control end that TD4 opens and closes for control wireless telemetering instrument 4 mutual inductor jaws, when TD3 is effective, TR9, the TR10 conducting, and the servomotor counter-rotating that control mutual inductor jaw is opened, when TD4 is effective, TR8, the TR11 conducting, and servomotor is just being changeed, and close the mutual inductor jaw, and XW2 closes limit switch for the mutual inductor mouth, and XW3 is the mutual inductor opening limit switch, when XW2 closes (when being the normally opened contact closure), connect the working power of wireless telemetering instrument current measurement coding and current information radiating circuit 4.22, and circuit 4.22 is had a power failure, and start working.
Wireless telemetering instrument control circuit 4.21 is mainly finished four actions: the closing of the opening of the closing of the opening of wireless telemetering instrument tension disk, wireless telemetering instrument tension disk, wireless telemetering instrument mutual inductor jaw, wireless telemetering instrument mutual inductor jaw.More than being set on the ground remote control device 2 of four action commands, set respectively with four buttons of AN1～AN4, these four buttons logically are interlocked relationship (promptly can only have one each time effectively), after wireless telemetering instrument information coding circuit 2.2 receives the setting command of AN1～AN4, different codings is carried out in four different orders, signal after will encoding is again delivered to wireless telemetering instrument order radiating circuit 2.3, four different instructions that the ground remote control device is sent are launched with the different coding of the form of radiowave.After receiving the radiowave of the steering order that the ground remote control device sends, control information reception of wireless telemetering instrument and signal Processing 4.211 in the wireless telemetering instrument 4 carry out filtering, amplify, signal processings such as shaping, filter out the information corresponding with local frequency, deliver to wireless telemetering instrument control information decoding circuit 4.212 then and carry out information decoding, identify four different orders that the ground remote control device is sent after the decoding, deliver to wireless telemetering instrument tension disk open and close controlling circuit 4.213 and wireless telemetering instrument mutual inductor jaw open and close controlling circuit 4.214 more respectively, with four actions of the switching that realizes tension disk and mutual inductor jaw respectively.
The concrete enforceable circuit of one of them of wireless telemetering instrument control circuit 4.21 and also can have a plurality of different circuit to finish the function of wireless telemetering instrument control circuit 4.21 as mentioned above.
(2) description of the physical circuit of wireless telemetering instrument metering circuit 4.22.As shown in figure 11.
Current measurement circuit 4.221 mainly is made up of current transformer T1, detection resistance R 17, by current transformer T1 primary current (tested electric current) is responded to and to be become the secondary weak current I that is directly proportional with it, become the ac voltage signal Vi that is directly proportional with it by detecting resistance R 17 again, this ac voltage signal is directly proportional with tested electric current.The input end of the output terminal of this circuit and current signal change-over circuit 4.222 connects together.
Current signal change-over circuit 4.222 is by potentiometer DW1, DW2, R18 and operational amplifier IC11, R19, R20 forms, adjust alternating voltage by adjusting DW1, and adjust the size that is added in the DC component on the adjustment circuit by adjusting DW2, this DC component should be 1/2 of operational amplifier forward working power, and the amplitude of the alternating voltage that is adjusted by DW1 also must be less than DC component, this circuit is output as unidirectional pulsating dc voltage, the alternating component of this voltage has promptly characterized tested current information, and this unidirectional pulsating dc voltage can carry out the overall process variation at the V/F translation circuit.
V/F translation circuit 4.223 is made of special-purpose V/F conversion integrated circuit, also can be aided with R by operational amplifier, C forms, its function is that the pulsed dc voltage conversion of signals that will characterize tested current information becomes frequency and imports the pulse signal that pulsating dc voltage is directly proportional.
In this circuit, be to form with special-purpose V/F change-over circuit IC12 and auxiliary element R21, C5, C6, R22, R23, R22, C7, DW3, regulate the frequency that DW3 can adjust the output pulse, the input end of current information coding circuit is delivered in this pulse.
Current information coding circuit 4.224 is made up of the radiating circuit of special-purpose remote control module, also can form by logical circuit and single-chip microcomputer, this circuit is made up of the radiating circuit of special-purpose remote control module, the input end of inverter ic 4 links to each other with the output terminal of V/F change-over circuit, one of input end of its output terminal and coding circuit IC3 links to each other, one of another part input end of coding circuit IC3 directly links to each other with the output terminal of V/F change-over circuit, the difference of respectively holding ground connection and combination of IC3 geocoding end T1～T7, promptly constitute different geocodings, but should coding (address code) must be identical with the address code of the decoding circuit 3.3 of ground receiving instrument 3.In the output pulse of this circuit, promptly carrying current information, carrying address code again, the output of this circuit is input in the current information radiating circuit 4.225.
Current information radiating circuit 4.225, it constitutes by L5, C9, C8, L4, ANT2 and power tube TR12 forms, the effect of this circuit is that the current information coded pulse that coding circuit 4.225 is sent here is launched with the form of radiowave, is received by wireless receiving instrument 3.
(3), the circuit part in the ground receiving instrument 3.As shown in figure 12.
The output terminal of the current information wireless receiving circuit 3.1 in the ground receiving instrument 3 links to each other with the input end of current information filtering and shaping circuit 3.2, the output terminal of current information filtering and shaping circuit 3.2 links to each other with the input end of current information decoding circuit 3.3, the output terminal of current information decoding circuit 3.3 links to each other with the input end of F/V translation circuit 3.4, the output terminal of F/V translation circuit 3.4 links to each other with the input end that current information waveform processing and amplitude are adjusted circuit 3.5, and the output terminal that current information waveform processing and amplitude are adjusted circuit 3.5 links to each other with the input end of current waveform phase-adjusting circuit 3.6.
Behind the radiowave that carries the current information coding of current information wireless receiving circuit 3.1 receptions in the ground receiving instrument 3 from the corresponding frequencies of wireless telemetering instrument, again by current information filtering and shaping circuit 3.2, amplify shaping, deliver to current information decoding circuit 3.3 then, carry out the current information decoding, prevent the interference of adjacent apparatuses or telegauge, decomposite the current information sign indicating number (the sign indicating number address of this decoding circuit must be corresponding one by one with the sign indicating number address of current information coding circuit 4.224 in the corresponding telegauge 4) in corresponding loop to be measured, promptly restore the output signal of V/F translation circuit 4.223 in the wireless telemetering instrument 4, again this signal is delivered to F/V translation circuit 3.4, obtain having the voltage waveform of DC component, this waveform should be identical with the output waveform of current signal change-over circuit 4.222 in the wireless telemetering instrument 4, as Figure 14 (1), shown in Figure 14 (2), output waveform through overcurrent signal change-over circuit 4.222 is identical again, adjust circuit 3.5 through current information waveform processing and amplitude again, just obtained to characterize by the ac voltage signal of current-carrying amplitude of survey line and frequency, if need characterize this magnitude of current (relating to phase place) fully, again by phase-adjusting circuit 3.6, carry out the phase place adjustment, the ac voltage signal that then obtains has just characterized by current-carrying three physical parameter (the amplitude I of survey line fully, frequency F, phase), I=I
A(Cos2 Л ft+ ф).
Its course of work as shown in figure 12.It comprises:
Current information wireless receiving circuit 3.1, (2), the current information waveform shaping circuit 3.2, (3), the current information decoding circuit 3.3, (4), the F/V translation circuit 3.4, (5), current information waveform processing and amplitude are adjusted circuit 3.5, (6), phase-adjusting circuit 3.6, provide a concrete circuit below respectively and explain detailedly:
Current information wireless receiving circuit 3.1 reaches the electric capacity, resistance, the variable inductance L that are connected with TR13～TR15 by ANT3, triode TR13～TR15 and forms, it mainly acts on is the reception of finishing the radiowave that carries tested current information that current information radiating circuit 4.225 sends in the wireless telemetering instrument 4, adjust the local frequency that variable inductance L can adjust this circuit, improve the sensitivity that receives.
The shaping circuit 3.2 of current information waveform is made up of comparer IC15, C11, C12, R26, it mainly acts on is that the waveform that carries tested current information with current information wireless receiving circuit 3.1 receives is put in order, become the pulse waveform that logical circuit can receive, be beneficial to decoding circuit 3.3 and decode, this comparer also can be replaced by the high speed amplifier.
Current information decoding circuit 3.3 is made up of the receiving integrate circuit IC16 of the integrated remote control module of special use, also can combine by other integrated circuit, in this circuit, form by special-purpose receiving integrate circuit, the coding of the geocoding end of its T1～T7 must be corresponding one by one with the current information coding circuit 4.224 corresponding address sign indicating numbers in the corresponding wireless telemetering instrument 4, its effect is the current information waveform that cracks out the impulse form sign that contains DC quantity from the current information waveform that receives, promptly with wireless telemetering instrument 4 in the identical waveform of V/F translation circuit 4.223 output waveforms, its decoding output terminal link to each other with F/V translation circuit 3.4 input ends;
F/V translation circuit 3.4 is made up of the circuit that the pulsed quantity that can have certain frequency is transformed into voltage signal, the composition mode of sort circuit is a lot, can use special-purpose integrated circuit, also can use operational amplifier and discrete component to form, in this circuit, we select special-purpose V/F integrated circuit (IC) 17 for use, be aided with R27～R30, C13, adjustable resistance DW3 forms, adjust the size that DW3 can regulate output voltage, its effect be will input the pulsed quantity of the tested alternating current of sign (having DC component) convert pulsating dc voltage signal to DC component, this signal contains the ac voltage signal that characterizes tested alternating current.
Current information waveform processing and amplitude are adjusted circuit 3.5 and are made up of C14, R31, DW4, R32, C15, R33, operational amplifier IC4.Its effect is respectively: C14, R311 remove the DC quantity of F/V change-over circuit 3.4 outputs, are reduced into the ac voltage signal that characterizes tested current amplitude and frequency, and Shu Chu alternating voltage waveform should be identical with the waveform of current measurement circuit 4.221 outputs herein.
So far, two parameters of the amplitude of tested alternating current and frequency can draw, are used to measure the size and the frequency of electric current.
(6), phase-adjusting circuit 3.6 is by C16, R34, C17, R35, R36, C17, C18, adjustable resistance DW5, DW6 and operational amplifier IC18 form, its effect is can be by regulating DW5, DW6 and the waveform generation that makes its output is leading on phase place, lag behind current information waveform processing and amplitude and adjust the waveform of circuit 3.5, as long as make R35, R36 numerical value is identical, then can make the input of phase-adjusting circuit 3.6 identical with the output waveform amplitude, and the phase place difference, when debugging, can monitor with instrument, adjust DW5, DW6 and make its phase place identical with tested current phase.
Phase-adjusting circuit also can be replaced by the passive phase-shift circuit that R, L, C form.
So far, characterize tested alternating current I=I
AThree parameters of Sin (2 π ft+ φ), I
A, f, φ can characterize out fully by this AC signal, promptly this amount can be used to measure amplitude, the frequency of alternating current, cooperates the ac voltage signal Measurement Phase, active power, reactive power, electric flux is used for many aspects of electric system.
(4), the circuit part in the ground remote control device.As shown in figure 13.
The main composition of ground remote control device is: order initialization circuit 2.1, command code circuit 2.2, order radiating circuit 2.3, can constitute by several structures for the ground remote control device among the present invention, a kind of each wireless telemetering instrument that constitutes uses a special-purpose telegauge, another kind constitutes address code and can set, and basic frequency, a telepilot can be set different address codes, and can a plurality of wireless telemetering instrument of remote control, but the wireless telemetering instrument control information in the wireless telemetering control section circuit 4.21 of a plurality of wireless telemetering instrument is as the frequency of reception and signal processing circuit 4.211, necessary furnishing unanimity, and the address code of its decoding circuit 4.212 is set at difference.As address code is 7, then several thousand kinds of geocodings can be arranged, very convenient.
The order initialization circuit 2.1 of ground remote control device 2 is set button AN1～AN4 and D1～D4 by order, R1～R4, LED1～LED4 constitutes, on-off action with tension disk 4.121 and mutual inductor jaw 4.131 in the difference setting wireless telegauge 4, when any one button is pressed among AN1～AN4, whole ground power supply of remote controller is by connection among D1～D4, corresponding LED1～LED4 is lighted, but the action of its four buttons in commission has interlock function, promptly has only one each time effectively, before the button that its excess-three button is formerly pressed unclamps, the exercise void that it is pressed.
Wireless telemetering instrument action command coding circuit 2.2 in the ground remote control device 2 can be made of the radiated element in the special-purpose remote control module, also available other logical circuit constitutes, as the IC1 among Figure 11 is exactly transmitter module in the wireless remote control assembly, it will order among the AN1～AN4 of initialization circuit 2.1 one after pressing, this order is weaved into specific coding and formed the width difference in conjunction with address code, the different pulse of sorting, and export by output terminal OUT
Wireless telemetering instrument action command radiating circuit in the ground remote control device 2 is made of power triode TR0, C1, R5, L1, C2, L2, ANT1, and its effect is that the signal that carries the representative AN1～AN4 state of different coding is gone out to spatial emission with the form of radiowave.
Adjust resistance R 0 transmission frequency of radiowave is changed, when debugging, the local frequency furnishing that it be launched wireless telemetering instrument control information reception in fundamental frequency and the wireless telemetering instrument 4 and signal processing circuit 4.211 is consistent.
Because the coding of the geocoding end of the current information decoding circuit 3.3 of ground receiving instrument 3 is corresponding one by one with the address code of the current information coding circuit 4.224 of wireless telemetering instrument current measurement circuit 4.22.So acting as of ground remote control device 2, send the power connection of power supply part 6.2 outside at wireless telemetering instrument 4 and push rod 1 push rod after, with ground telepilot 2 (band coding) control and the ground remote control device 2 current information coding circuit 4.224 of the current measurement circuit 4.22 of wireless telemetering instrument 4 one to one of encoding, finish the open and close controlling of the tension disk 4.121 and the mutual inductor jaw of wireless telemetering instrument 4.
Embodiment 2:
This embodiment is another embodiment of line live stream wireless remote-measuring system, and line live stream wireless remote-measuring system includes wireless telemetering instrument 4, ground remote control device 2, ground receiving instrument 3; The structure of wireless telemetering instrument 4, ground remote control device 2, ground receiving instrument 3 is as described in the embodiment 1, and wherein wireless telemetering instrument 4 is when ground, and its power unit is just switched on, by an insulation rod it is served tested lead then, measures.
The wireless telemetering instrument of operation also can place the working power of its wireless remote control partial circuit 4.21 in the wireless telemetering instrument body for the short time, as described in embodiment 2, for the wireless telemetering instrument of long-term continuous working, choosing is sent power supply (being the built-in power supply of push rod) outside for good.Its apex electrode part guides screw put in place after, should be identical with its built-in power contact polarity, contact is good, the insulation rod of this body and function of push rod high insulation resistance is made, for the long-term wireless telemetering instrument of operation continuously, select for use and send power supply outside, also can increase the safety and the theftproof performance of its telegauge.As described in embodiment 1.
The installation of wireless telemetering instrument and unloading all need have power supply and special-purpose ground remote control device.
Claims (9)
1, line live stream wireless remote-measuring system is characterized in that it includes wireless telemetering instrument, ground remote control device, ground receiving instrument;
(1), described wireless telemetering instrument [4] is made up of wireless telemetering instrument body [4.1] and wireless telemetering instrument circuit part [4.2] and power unit [4.3]; Described wireless telemetering instrument body [4.1] includes housing [4.11], tension disk and on-off action mechanism [4.12] thereof and mutual inductor jaw and on-off action mechanism [4.13] thereof, and described tension disk and on-off action mechanism [4.12] thereof and mutual inductor jaw and on-off action mechanism [4.13] thereof place in the described housing [4.11]; And wherein said wireless telemetering instrument circuit part [4.2] also places in the described housing [4.11], described wireless telemetering instrument circuit part 4.2] form by wireless telemetering instrument control circuit [4.21] and wireless telemetering instrument metering circuit [4.22], wherein said wireless telemetering instrument metering circuit [4.22] includes current measurement circuit [4.22 1], current signal change-over circuit [4.222], V/F translation circuit [4.223], current information coding circuit [4.224], current information radiating circuit [4.225], the output terminal of wherein said current measurement circuit [4.221] links to each other with the input end of described current signal change-over circuit [4.222], the output terminal of described current signal change-over circuit [4.222] links to each other with the input end of described V/F translation circuit [4.223], the output terminal of described V/F translation circuit [4.223] links to each other with the input end of described current information coding circuit [4.224], and the output terminal of described current information coding circuit [4.224] links to each other with the input end of described current information radiating circuit [4.225]; Described wireless telemetering instrument control circuit [4.21] includes wireless telemetering instrument control signal and receives and signal processing circuit [4.211], wireless telemetering instrument control signal decoding circuit [4.212], wireless telemetering instrument tension disk is opened, close control circuit [4.213] and wireless telemetering instrument mutual inductor jaw open and close controlling circuit [4.214], wherein said wireless telemetering instrument control signal receives and the input end of signal processing circuit [4.211] links to each other with antenna ANT, described wireless telemetering instrument control signal receives and the output terminal of signal processing circuit [4.211] links to each other with the input end of described wireless telemetering instrument control signal decoding circuit [4.212], and the output terminal of described wireless telemetering instrument control signal decoding circuit [4.212] links to each other with the input end of described wireless telemetering instrument tension disk open and close controlling circuit [4.213] and the input end of described wireless telemetering instrument mutual inductor jaw open and close controlling circuit [4.214] respectively;
(2), described ground remote control device [2] is made up of wireless telemetering instrument action command transtation mission circuit [2.1], wireless telemetering instrument action command coding circuit [2.2] and wireless telemetering instrument action command radiating circuit [2.3];
(3), described ground receiving instrument [3] is made up of current information wireless receiving circuit [3.1], current information filtering and shaping circuit [3.2], current information decoding circuit [3.3], F/V translation circuit [3.4], current information waveform processing and amplitude adjustment circuit [3.5], current waveform phase-adjusting circuit [3.6];
Described ground remote control device [2] remote control described wireless telemetering instrument body [4.1], make described mutual inductor jaw closure, make tested lead pass current transformer, hook type current transformer converts current in wire to weak current by current measurement circuit [4.221], and then weak current is converted to the voltage signal that is directly proportional with it by current signal change-over circuit [4.222], pass through V/F translation circuit [4.223] again, convert voltage signal to pulse signal that frequency is directly proportional with input current, through being added to after current information coding circuit [4.224] modulation on wireless encoding transmits, launch through current information radiating circuit [4.225]; After emission, current information wireless receiving circuit [3.1] by the described ground receiving instrument [3] that coding is corresponding with it receives, to receive signal again through described current information filtering and shaping circuit [3.2] filtering, shaping, decode through current information decoding circuit [3.3] then, pulse signal is transformed into the voltage signal that is directly proportional with pulsed frequency by F/V translation circuit [3.4] again, carry out the phase place adjustment through current waveform phase-adjusting circuit [3.6], then obtain with tested electric current in direct ratio on amplitude, the voltage signal that phase place is identical, promptly this voltage signal can characterize out the parameter of tested electric current.
2, a kind of line live stream wireless remote-measuring system according to claim 1, it is characterized in that, the body of described wireless telemetering instrument is down " V " shape, described tension disk and on-off action mechanism [4.12] thereof be in described the falling on the leg of an end of " V " shape of " V " shape body of falling, and described mutual inductor jaw and on-off action mechanism [4.13] thereof are in described upper end of falling " V " shape body and described the falling on the leg of the other end of " V " shape of " V " shape body of falling;
(1), described tension disk and on-off action mechanism [4.12] thereof include tension disk, motor and speed reduction unit, wherein said tension disk includes moving mounting board and quiet mounting board, described moving mounting board is at described tension disk front end, described quiet mounting board is fixed on the described top of " V " shape housing, relative with described moving mounting board, described tension disk links to each other with described speed reduction unit, and described speed reduction unit links to each other with described motor, and described armature links to each other with the output terminal of described wireless telemetering instrument control circuit [4.21];
(2), described mutual inductor jaw and on-off action mechanism [4.13] thereof include and are positioned at the described mutual inductor that falls " V " shape body top and at the described push rod on the leg of the other end of " V " shape of falling that falls " V " shape body, jaw open and close controlling device assembly, reductor and motor, described jaw open and close controlling device assembly links to each other with described push rod in described push rod lower end, the other end of described push rod links to each other with described jaw open and close controlling device assembly, the other end of described jaw open and close controlling device assembly links to each other with described reductor, described reductor links to each other with described motor, and described armature links to each other with the output terminal of described wireless telemetering instrument control circuit [4.21]; Described mutual inductor includes and is positioned at the described secured core on " V " shape body top, is tied with secondary coil on described secured core; Removable iron core is connected by connecting lever with secured core, formation can open and close jaw, described removable iron core is hook-like, be provided with insulating part at described secured core and described removable iron core outside, be provided with spring base in described secured core upper end, another relative spring base places on the secondary bar of described connecting lever, is spring between described two spring bases.
3, a kind of line live stream wireless remote-measuring system according to claim 2, it is characterized in that, described jaw shutter assembly is made up of tie-plate, stroke touching lever, orienting sleeve, screw rod and promotion nut, wherein said reductor links to each other with described screw rod by described tie-plate, described promotion nut is connected with described screw flight, above described promotion nut end, be provided with the stroke touching lever, be provided with orienting sleeve in described promotion nut periphery;
Described moving mounting board includes screw rod, tie-plate, promotion nut, joint, orienting sleeve, stroke touching lever and wire clipping latch and forms, wherein said reductor links to each other with described screw rod by described tie-plate, described promotion nut is connected with described screw flight, above described promotion nut end, be provided with the stroke touching lever, be provided with orienting sleeve in described promotion nut periphery, described joint is positioned at described tension disk front end.
4, a kind of line live stream wireless remote-measuring system according to claim 1, it is characterized in that, the output terminal of the described current information wireless receiving circuit [3.1] in the described ground receiving instrument [3] links to each other with the input end of described current information filtering and shaping circuit [3.2], the output terminal of described current information filtering and shaping circuit [3.2] links to each other with the input end of described current information decoding circuit [3.3], the output terminal of described current information decoding circuit [3.3] links to each other with the input end of described F/V translation circuit [3.4], the output terminal of described F/V translation circuit [3.4] links to each other with the input end that described current information waveform processing and amplitude are adjusted circuit [3.5], and the output terminal that described current information waveform processing and amplitude are adjusted circuit [3.5] links to each other with the input end of described current waveform phase-adjusting circuit [3.6].
5, according to claim 1 or 4 described a kind of line live stream wireless remote-measuring systems, it is characterized in that the coding of the geocoding end of the described current information decoding circuit [3.3] of described ground receiving instrument [3] is corresponding one by one with the address code of the current information coding circuit [4.224] of described wireless telemetering instrument current measurement circuit [4.22].
6, a kind of line live stream wireless remote-measuring system according to claim 1, it is characterized in that described wireless telemetering instrument power unit [4.3] includes the working power [4.31] of described wireless telemetering instrument current measurement circuit [4.22] and the working power [4.32] of described wireless telemetering instrument control circuit [4.21].
7, a kind of line live stream wireless remote-measuring system according to claim 1, it is characterized in that, lower end at described wireless telemetering instrument body [4.1] is provided with guides, is provided with in described guides that the metallic conduction contact is connected with described wireless telemetering instrument control circuit [4.21] or the working power [4.31] of described wireless telemetering instrument current measurement circuit [4.22] is connected.
8, according to claim 1 or 7 described a kind of line live stream wireless remote-measuring systems, it is characterized in that, line live stream wireless remote-measuring system is provided with a push rod, it forms for more piece insulation rod phase fit, insulation rod topmost is that push rod is sent the power supply part outside, the insulation rod that described push rod is sent power supply part and described lower end outside is fit mutually, in sending the power supply part outside, described push rod is provided with a battery compartment, in described battery compartment, be provided with battery and buckleing at the battery of described battery front portion, send power supply part front end outside at described push rod and be provided with electrode contacts, send power supply part front end inside outside at described push rod and be provided with elastic sheet metal, be connected with described electrode contacts, one end of power lead links to each other with the electrode contacts of described battery, the other end links to each other with the electrode contacts that described push rod is sent power supply part front end outside, sends the anterior side of power supply part outside at described push rod and is provided with the guides dop; The insulation rod of the top of described push rod, it is corresponding to be that push rod is sent the interior metallic conduction contact of two electrode contacts and the described guides of power supply part outside, described push rod insert described guides and in place after, described two electrode contacts and the corresponding connection of described metallic conduction contact.
9, a kind of line live stream wireless remote-measuring system according to claim 1 is characterized in that the power unit in the housing [4.11] of described wireless telemetering instrument body [4.1] can be a rechargeable battery, also can be solar cell or common batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003036 CN1224841C (en) | 2004-01-13 | 2004-01-13 | Wireless telemetering system for wire loaded current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003036 CN1224841C (en) | 2004-01-13 | 2004-01-13 | Wireless telemetering system for wire loaded current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1558244A true CN1558244A (en) | 2004-12-29 |
| CN1224841C CN1224841C (en) | 2005-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410003036 Expired - Fee Related CN1224841C (en) | 2004-01-13 | 2004-01-13 | Wireless telemetering system for wire loaded current |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122805A (en) * | 2013-04-26 | 2014-10-29 | 立锜科技股份有限公司 | Digital satellite equipment control signal generation circuit and relevant signal generation method |
| CN104502689A (en) * | 2015-01-12 | 2015-04-08 | 谭成忠 | Current sensor without conductor connection |
| CN106405196A (en) * | 2016-11-08 | 2017-02-15 | 北京石油化工学院 | Mechanical clamping type high-voltage line load current telemetering instrument |
| CN109633371A (en) * | 2018-12-10 | 2019-04-16 | 国网重庆市电力公司忠县供电分公司 | A kind of line current detection method based on wireless communication |
| CN115128330A (en) * | 2022-08-25 | 2022-09-30 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
-
2004
- 2004-01-13 CN CN 200410003036 patent/CN1224841C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122805A (en) * | 2013-04-26 | 2014-10-29 | 立锜科技股份有限公司 | Digital satellite equipment control signal generation circuit and relevant signal generation method |
| CN104122805B (en) * | 2013-04-26 | 2016-12-28 | 立锜科技股份有限公司 | Digital satellite equipment control signal produces circuit and relevant signal generating method |
| CN104502689A (en) * | 2015-01-12 | 2015-04-08 | 谭成忠 | Current sensor without conductor connection |
| CN106405196A (en) * | 2016-11-08 | 2017-02-15 | 北京石油化工学院 | Mechanical clamping type high-voltage line load current telemetering instrument |
| CN109633371A (en) * | 2018-12-10 | 2019-04-16 | 国网重庆市电力公司忠县供电分公司 | A kind of line current detection method based on wireless communication |
| CN115128330A (en) * | 2022-08-25 | 2022-09-30 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
| CN115128330B (en) * | 2022-08-25 | 2022-11-25 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1224841C (en) | 2005-10-26 |
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Address after: 350003, Gulou District, Fuzhou, 89 software Avenue, Fuzhou Software Park, C District, Building 29 Patentee after: Hao Tai Jieneng electrical equipment (Fujian) Co., Ltd. Address before: 350002 Fujian city in Fuzhou Province, Hongshan Road No. 68 Building 5 Shida Technology City B Patentee before: Fujian Minxun Shangrun Electric Technology Co., Ltd. |
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