CN102832568A - Current guiding device for live operation of distribution network with long-distance real-time monitor - Google Patents
Current guiding device for live operation of distribution network with long-distance real-time monitor Download PDFInfo
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- CN102832568A CN102832568A CN2012103248480A CN201210324848A CN102832568A CN 102832568 A CN102832568 A CN 102832568A CN 2012103248480 A CN2012103248480 A CN 2012103248480A CN 201210324848 A CN201210324848 A CN 201210324848A CN 102832568 A CN102832568 A CN 102832568A
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Abstract
The invention relates to a mounting device for an overhead line or cable, in particular to a current guiding device for live operation of a distribution network with a long-distance real-time monitor, which is structurally characterized by comprising a pair of clamping devices, a high-voltage insulated connecting wire and a handheld monitor, wherein each clamping device comprises a movable jaw, a fixed jaw, a temperature sensor, a current sensor, a master control board and a current guiding connection device, each current guiding device is provided with the effective and reliable temperature sensor and current sensor for real-time collection of monitoring data, and the data are further wirelessly transmitted to the handheld monitor on the ground in a long-distance and real-time way within a controllable range for check of monitoring personnel, so that the monitoring personnel can promptly know the field construction situation, judgment can be made in a real-time way, correct prompts can be uttered in advance, the personal safety of operators can be guaranteed, the labor intensity can be lowered, the working pressure can be reduced, and the field construction safety of the live operation can be facilitated.
Description
Technical field
The present invention relates to a kind of erecting device that is used for overhead transmission line or cable, particularly a kind of distribution network live line work drainage system with remote real-time monitoring.
Background technology
In the prior art, most projects of live line working need adopt the circuit dividing technology, cut-off disconnecting link, on-load migration circuit, on-load processing defective etc. like on-load; And the charged drainage technology scheme of generally using of on-load is divided two kinds: a kind of is simply to block line apparatus; It connects on the two ends in fault wire highway section, replaces former lead to shunt, thereby can realize the disengagement failure circuit; Realize trouble hunting; This scheme needs nearly body erection joint, and not timing detects to confirm drainage thread safe and reliable to operationly, is applicable to Single Point of Faliure and short haul circuits defect processing.Another kind of is bypass operation flexible cable system; The bypass operating system integrates the bypass flexible power cable, locks the novel distribution repair apparatus of quick plug-in power cable connector, bypass on-load switch certainly, can accomplish distribution do not have a power failure repairing, upkeep operation within the specific limits; The bypass movable case becomes breakdown van and integrates all kinds of electric units, bypass operating system and motor vehicles; Can satisfy the need of work of the reliable power supply of user's scheduled overhaul, emergency first-aid repair, temporary electricity and important place and major event; Be adapted to large-scale circuit bypass migration, projects such as large-scale technological transformation.
In the technique scheme, be that any scheme all needs nearly body that anchor clamps or joint are operated, particularly in the operation procedure process; Before drainage thread is installed,, all need the operating personnel to adopt the current data of manual clamp on amperemeter detection line with afterwards, before removing lead-in wire with also need carry out similar detection afterwards; In addition, touch under the already installed lead-in wire situation, also will carry out duplicate detection as required when staff's displacement; In events in operation, need carry out current detecting repeatedly like this, the operating personnel operates very loaded down with trivial details; And in operation procedure, the operating personnel is nearly body operation, and also visual observations maybe be by loose contact nearby; The drainage thread operation irregularity that external voltage, current anomaly etc. cause is so that carry out on-site supervision to the work of drainage thread.Yet in order to guarantee personal safety as much as possible and connection reliability; Drainage thread partly need carry out multiple insulation and cover, and such covering makes that the operating personnel is difficult to estimate, even can't estimate; In order to monitor the work of drainage thread as much as possible; The operating personnel needs as much as possible near the drainage thread mounting points, thereby the potential safety hazard of causing causes Work tool damage or personnel too closely to operate and causes the personal safety accident.
In addition; Temperature parameter under the drainage thread operating state and current parameters are that under abnormal conditions, above-mentioned parameter can have greatly changed in moment to the key data of drainage thread work monitoring; Yet existing drainage system mainly leans on manual work that above-mentioned data are carried out in-plant detection; All be regularly or as required to detect, can't detect in real time, therefore unusual circumstance in time; Also just can't remind the operating personnel in time to carry out safe precaution measure, be difficult to evade the line construction potential safety hazard that possibly occur.
Also have, on-the-spot monitoring personnel are remote the monitoring, according to the detection data that the operating personnel provides, confirm with the monitoring personnel according to job step and relevant item, just can carry out next step operation.This just exists the monitoring personnel to fail the very first time to obtain monitor data, grasp condition of construction, also just can't in time send correct prompting, strengthened the difficulty of guarding.
Thus; The operating personnel need keep enough safe distances to electrified body; Guarantee correct, the action norm of operation procedure in the operating process, otherwise can't guarantee operating personnel's the personal safety and the reliability service of distribution, therefore the operating personnel is proposed higher requirement; Bring bigger operational pressure to the operating personnel, be unfavorable for safety in production.On the other hand; Anchor clamps of the prior art or joint are because of adopting open clamping scheme, perhaps easy chucking device, perhaps remote manual operation (for example adopting insulating bar to cooperate the transmission mechanism of being with screw rod); Cause the connection reliability of itself and lead often can not guarantee; And manual operation often exists operating force inhomogeneous, and direction of operating plays pendulum, and adopts some lines contact replacement face between anchor clamps or joint and the lead to contact and make lead again easily in operating process if add; Perhaps impaired in the repeatable operation, increase the destabilizing factor that distribution moves.
Summary of the invention
The objective of the invention is to overcome the weak point of prior art, and propose a kind ofly in real time drainage procedure to be monitored, ensure operating personnel's personal safety, reduce the remote distribution network live line work drainage system of monitoring in real time of having of operational pressure.
The present invention realizes through following approach:
Has the remote distribution network live line work drainage system of monitoring in real time; Its structural feature is; Include a pair of clamping device, High-Voltage Insulation connecting line and hand-held watch-dog; Wherein clamping device includes moving jaw, regular jaw, temperature sensor, current sensor, master control borad and drainage jockey, and regular jaw is fixedly connected with the drainage jockey, and moving jaw then is connected through adjustable connector with the drainage jockey; Temperature sensor is installed on the regular jaw, and current sensor is installed on the drainage jockey; The two ends of High-Voltage Insulation connecting line are connected respectively to each clamping device;
Master control borad includes wireless communication unit, CPU and temperature collection circuit and the current acquisition circuit that is electrically connected in regular turn; Temperature sensor is connected with CPU through temperature collection circuit, and current sensor is connected with CPU through the current acquisition circuit; Hand-held watch-dog includes wireless delivery unit, data processing unit, key-press input unit that is electrically connected in regular turn and the demonstration output unit that is connected with data processing unit, the wireless delivery unit of hand-held watch-dog and the wireless communication unit wireless connections of master control borad.
Two clamping devices are clamped in respectively on two circuits that need the bypass drainage, and regular jaw, moving jaw and drainage jockey are electric conductor, and the electric current on the circuit will carry out drainage through the above-mentioned part and the High-Voltage Insulation connecting line of drainage system.Temperature sensor mainly is the heating situation of induction regular jaw, and its heating situation can be represented the connection state of clamping device and circuit, can detect the reliability of clamping; Current sensor is mainly gathered the current data through drainage system, and the situation prompting that these data can provide drainage system to be connected with circuit can also provide the situation prompting of circuit operation.The data of gathering are through after the central processing unit for processing of master control borad; Send data to hand-held watch-dog through wireless communication unit; Hand-held watch-dog receives monitor data through wireless delivery unit; After the data processing unit processing, output to the demonstration output unit, offer the monitoring personnel and check.The monitoring personnel can also be through hand-held watch-dog input information to get in touch with master control borad.
Because drainage system is most important can to provide reliable, effective drainage scheme exactly, ensureing normally carrying out of line upkeep, maintenance, so this live line working requires to forbid to lose monitoring, otherwise will bring major accident.The invention provides a kind of scheme of online in real time monitoring, drainage system is provided with imitates reliable temperature sensor and current sensor, thus real-time acquisition monitoring data; Further through wireless transmissioning mode, data are real-time transmitted to the hand-held watch-dog on ground at a distance in controlled range, personnel check for monitoring; Make the monitoring personnel can know on-the-spot condition of construction the very first time, and make judgement in real time, send correct prompting in advance; Ensured operating personnel's personal safety; Reduce labour intensity, reduced its operational pressure, helped live line working site operation safety.
The present invention can further be specially:
Clamping device also includes jacking mechanism, reducing motor and hook stick connecting portion; Regular jaw is the bridge shape, and the one of which end is fixedly connected with the drainage jockey, and moving jaw is installed in the regular jaw below; Its upper surface have with regular jaw bridge shape symmetrical arcs of recesses; Moving jaw one end is connected with the drainage jockey through adjustable connector, and the bottom of moving jaw is installed on the top end face of jacking mechanism, and the rotating shaft of reducing motor and this jacking mechanism are in transmission connection; Master control borad also includes a motor-drive circuit; It is electrically connected with the start-up circuit of reducing motor, master control borad and supply unit thereof be installed in one with shielding box body that the reducing motor shell is connected in, the upper end of hook stick connecting portion is connected with the lower surface of this shielding box body.
During operation; Regular jaw and moving jaw separate, and the clamping device that the operating personnel only needs to be connected with the High-Voltage Insulation connecting line is articulated to (the laggard line operate of employing insulation hook stick attended operation rod connecting portion) on the lead, and this moment, lead was positioned at the bridge shape curved bottom of regular jaw; The Ground Operation personnel begin to operate hand-held watch-dog then; Through key-press input unit input close command, data processing unit sends master control borad to via wireless delivery unit after handling; After the wireless communication unit of master control borad receives signal; Via the CPU dissection process; Send to motor-drive circuit then, motor-drive circuit sends the start-up circuit that triggering signal is passed to reducing motor, thereby starts reducing motor; The reducing motor rotation of this moment and drive jacking mechanism and moving jaw move to the regular jaw direction, up to lead being realized reliable clamping.In the time of need withdrawing, send instruction through hand-held watch-dog equally, trigger reducing motor through master control borad and rotate, drive jacking mechanism and moving jaw and move down,, unclamp lead away from regular jaw.
Like this; Because adopting the mode of remote control control operates the clamping device of drainage system; Operating personnel's operation just is reduced to and hangs up and take off clamping device, and is very simple and convenient in the operation, even can not step on bar and just can realize operation; Avoided the operating personnel to bring a series of inconvenience and unsafe problems, the operating reliability problem of also having avoided remote manual operation to bring simultaneously because of nearly body operation; Reduce operating personnel's operational pressure, guaranteed safety in production; In addition, owing to adopted reducing motor to drive jacking mechanism, thereby further drive moving jaw and regular jaw with the clamping lead; Reducing motor is a kind of micromachine; It can provide the transmission that reduces speed gradually effect, has guaranteed that moving jaw can move with gradually little speed forward near regular jaw the time, realizes lead is applied balanced clamping action power; Avoided the dynamics of the artificial application of force uneven, the impaired problem of the biased lead that causes of direction; The radian symmetrical structure of moving jaw and bridge shape regular jaw can adapt to the surperficial radian of lead, and good face contact is provided, and so that lead is implemented positive pressure, further solves the impaired problem of lead.
The present invention can further be specially:
Jacking mechanism includes tight sleeve, holds out against spring, screw rod and hold out against nut; Screw rod is connected with the rotating shaft of reducing motor, holds out against nut and is placed around the screw rod periphery, and be connected with screw flight; Holding out against spring is positioned at and holds out against nut top; And be arranged in the inner chamber of tight sleeve under shed with the top shaft that holds out against nut, and the inner chamber internal diameter of tight sleeve cooperates with the crest clearance that holds out against nut, and the top of tight sleeve is equipped with moving jaw simultaneously.
In the time will carrying out clamping to lead; Through hand-held watch-dog remote control trigger master control borad, start reducing motor, reducing motor drives screw rod and rotates; Hold out against nut this moment and under the rotary action of screw rod, begin relative screw rod rising; And in uphill process, promote to hold out against spring with tight sleeve moves upward, make moving jaw with the rising of tight sleeve near regular jaw, realization is to the clamping of the application of force gradually of lead.After moving jaw withstands lead; With the reaction force that receives regular jaw and lead; Make that moving jaw stops to rise gradually, hold out against nut this moment and head on and hold out against spring and continue to rise, stop operating up to reducing motor; This moment hold out against length of spring compressed stress to moving jaw under the double action of deadweight suppressing action power of top active force and device, clamping device has been realized the reliable clamping to lead.
Above-mentioned jacking mechanism can further be:
Also include a kind of limit switch, this limit switch is electrically connected with the CPU of master control borad; Limit switch includes upper limit position switch, lower position switch and contact; Upper limit position switch is installed in a side of tight sleeve bottom; Contact is installed in and holds out against nut bottom side; With the upper limit position switch homonymy, lower position switch is installed on the side that is limited to the vertically opposite reducing motor shell body of switch.
That is to say that upper limit position switch, contact and lower position switch are arranged in regular turn and be on the same vertical plane from top to bottom.During initial condition, hold out against nut and be positioned on the position near reducing motor, touch closure and be positioned at the contact and the lower position switch that hold out against on the nut; The signal that this moment, limit switch sent the CPU of master control borad to is first limit signal; When holding out against nut when under reducing motor and screw acting, rising, contact has left lower position switch, along with the rising that holds out against nut; Hold out against the compression of spring; Hold out against contact on the nut gradually near upper limit position switch, when contact and upper limit position switch touch, then limit switch is the triggering signal that the CPU of master control borad provides one second limit signal; After CPU receives and closes signal; Send instruction and send reducing motor to through motor-drive circuit, reducing motor stops operating, expression this moment moving jaw the position lead that made itself and the reliable clamping of regular jaw.
Same; When unclamping the operation of lead; Only hold out against position that nut moves downward and reach contact and be connected with lower position switch, the CPU of master control borad receives first limit signal, sends instruction and stops reducing motor; Expression moving jaw and regular jaw have been totally released lead, thereby can carry out next step operation.
In the prior art, because the clamping device in the drainage system all is manual operation, its clamping reliability to lead needs the operating personnel rule of thumb to adjust in operation, and this brings the factors of instability for the clamping reliability.Therefore; Limit switch of the present invention is constructed the mechanical realization of this transmission that has utilized moving jaw and jacking mechanism and the control of electronic circuit; For the clamping reliability of clamping device provides fixed journey system and control circuit; Concrete stroke, comprise hold out against spring, tight sleeve, hold out against nut and upper limit position switch, lower position switch and contact the position and the distance can calculate setting according to diameter of wire, class of track and clamping device moving jaw and the regular jaw size of clamping.According to the set stroke of lead; Moving jaw is under the effect of reducing motor; Accomplish and regular jaw clamping lead according to the stroke of setting; Can make lead satisfy force request fully, make clamping device can science, grasp lead effectively, reliably, and reduce damage to greatest extent to lead.
The present invention can further be specially:
Also include a kind of mechanical trip mechanism, it includes crank and latch, on the hook stick connecting portion, has a cross through hole; On the drainage jockey, have a hole slot, this hole slot and the coaxial and relative distribution of cross through hole on the hook stick connecting portion, latch passes cross through hole; And one end be plugged on the hole slot of drainage jockey; Simultaneously, have a driving lever on this latch, a bar portion of crank leans on the side of drainage jockey by touching at driving lever; On the end of another bar portion of crank the insulation control member is installed, the crosspoint of crank two bar portions is provided with fulcrum.
Can adopt fixed support to be connected on stationary housing or the drainage jockey though comprise the fixed part of reducing motor, master control borad and hook stick connecting portion; But it is malfunctioning for preventing remote control; Perhaps the malfunctioning clamping device that causes of motor drive mechanism can't in time be withdrawn circuit; Can further increase mechanical trip mechanism, this moment, the said fixing parts were to be supported on the drainage jockey with the mode that flexibly connects through mechanical trip mechanism.Mechanical trip mechanism has adopted lever principle, is fulcrum with the fulcrum on the crank, and the driving lever on the latch is the resistance point; The impetus of insulation stay cord is resistance arm for to use the force by the bar portion that touches on driving lever, and the insulation cadre that stay cord connected is a power arm; Pulling insulation control member (like insulation driving lever, insulation stay cord etc.) during use, thus driving lever stirred through crank, and then promote latch; Latch is moved to the direction away from the drainage jockey; And break away from the drainage jockey, make fixed part lose to support and under the effect of gravity drive jacking mechanism and moving jaw move downward, thereby make clamping device can in time unclamp lead.
Also include a shell body, the drainage jockey is a kind of drainage copper rod, and it passes this shell body inner chamber one sidepiece, and the bottom passes the shell body below, and is electrically connected with the High-Voltage Insulation connecting line; Expose outside outside the upper end of the drainage copper rod top of housing, and be connected with regular jaw; Comprise that the fixed part of reducing motor, master control borad and hook stick connecting portion is positioned at the other side of shell body inner chamber.
In the inner chamber of this shell body, be provided with the cooperation cavity that holds the said fixing parts, make fixed part be able to be installed in this shell body, the drainage copper rod then can shuttle back and forth in shell body in activity, perhaps fixes with housing.
Described adjustable connector is a kind of flat flexible conductor, and the one of which end is fixed on the drainage jockey, and the other end is fixedly connected with moving jaw.
This adjustable connector can also be a kind of guide rail component that can conduct electricity, and an end of moving jaw is connected in this guide rail component through a kind of conduction guide rod.
Like this, just can guarantee that moving jaw can have enough easy on and off degree to move with what guarantee under the effect of jacking mechanism and reducing motor, to rise and descend in certain distance.
The present invention can further be specially:
The current acquisition circuit mainly comprises parts such as I-V conversion, rectification, dividing potential drop, filtering, thereby the inside AD converter that the AC-AC current conversion of coil CUR induction becomes direct voltage and sends into single-chip microcomputer is gathered.
Temperature collection circuit mainly comprises parts such as resistance-voltage transitions, filtering, and magnitude of voltage changes and the inside AD converter of sending into single-chip microcomputer is gathered thereby the change in resistance of thermistor RT1 induction converted to.
The CPU of master control borad is a kind of single chip circuit, includes singlechip chip, reset circuit, download debug circuit and filter circuit, and reset circuit, download debug circuit and filter circuit are electrically connected with singlechip chip respectively.
Reset circuit is that singlechip chip provides the electrification reset function, downloads debug circuit the detail programming function is provided, and filter circuit then provides jamproof function for the work of singlechip chip.
It is the IPM intelligent object of MSP430F149 that singlechip chip adopts model.
The motor-drive circuit of master control borad is a kind of motor-drive circuit; Include optical coupling isolation circuit and current amplification circuit; The input of optical coupling isolation circuit connects CPU; And accept the pulse signal that CPU provides, and the output of optical coupling isolation circuit is electrically connected with current amplification circuit, and the output of current amplification circuit is electrically connected with the control circuit of reducing motor.
Motor-drive circuit comes drive motors to move by pulse, and optical coupling isolation circuit is used to isolate interference signal, and current amplification circuit is to be used to amplify drive signal, to offer the enough enabling signals of reducing motor.
The demonstration output unit of hand-held watch-dog includes liquid crystal display drive circuit and LCD, and the input of liquid crystal display drive circuit connects data processing unit, and output connects LCD.
In sum, the invention provides a kind of remote distribution network live line work drainage system of monitoring in real time that has, drainage system is provided with imitates reliable temperature sensor and current sensor; Thereby the acquisition monitoring data further through wireless transmissioning mode, are real-time transmitted to data the hand-held watch-dog on ground at a distance in controlled range in real time; Personnel check for monitoring, make the monitoring personnel can know on-the-spot condition of construction the very first time, and make judgement in real time; Send correct prompting in advance, ensured operating personnel's personal safety, reduced labour intensity; Reduce its operational pressure, helped live line working site operation safety.In addition; Also adopt hand-held watch-dog that the clamping device in the drainage system is carried out the remote control clamping and unclamps control; Simplified operating personnel's operation sequence; Avoided the operating personnel to bring a series of inconvenience and unsafe problems, the operating reliability problem of also having avoided remote manual operation to bring simultaneously because of nearly body operation; Reduce operating personnel's operational pressure, guaranteed safety in production; In addition,, realized lead is applied balanced clamping action power, avoided the dynamics of the artificial application of force uneven, the impaired problem of the biased lead that causes of direction owing to adopted reducing motor; The radian symmetrical structure of moving jaw and bridge shape regular jaw can adapt to the surperficial radian of lead, and good face contact is provided, and so that lead is implemented positive pressure, further solves the impaired problem of lead.
Description of drawings
Fig. 1 is that the system of distribution network live line work drainage system according to the invention forms sketch map;
Fig. 2 is the structural representation of clamping device in the distribution network live line work drainage system according to the invention;
Fig. 3 is the structural representation of clamping device associated jaw portion according to the invention;
Fig. 4 is the structural representation of clamping device jacking mechanism according to the invention;
Fig. 5 is the structural representation of clamping device mechanical trip mechanism according to the invention;
Fig. 6 is the circuit frame sketch map of clamping device master control borad according to the invention;
Shown in Figure 7 is the electrical block diagram of single chip circuit in the clamping device master control borad;
Shown in Figure 8 is the electrical block diagram of master control borad temperature collection circuit;
Shown in Figure 9 is the electrical block diagram of master control borad current acquisition circuit;
Shown in Figure 10 is the circuit diagram of motor-drive circuit in the clamping device master control borad;
Shown in Figure 11 is the electrical block diagram of limit switch in the clamping device;
Circuit frame sketch map for hand-held watch-dog shown in Figure 12;
Shown in Figure 13 is the electrical block diagram of the data processing unit of hand-held watch-dog.
Below in conjunction with accompanying drawing the present invention is done and to further describe.
Embodiment
Most preferred embodiment:
With reference to accompanying drawing 1; Has the remote distribution network live line work drainage system of monitoring in real time; Include a pair of clamping device (left clamping device and right clamping device), High-Voltage Insulation connecting line and hand-held watch-dog, the two ends of High-Voltage Insulation connecting line connect left clamping device and right clamping device respectively.Hand-held watch-dog is connected with left and right clamping device Long-distance Control respectively, specifically states scheme as follows.
With reference to accompanying drawing 2, the structure of left and right sides clamping device is identical, and is specific as follows, and clamping device includes shell body 11, associated jaw portion, jacking mechanism 3, reducing motor 4, master control borad 5, drainage jockey 6 and hook stick connecting portion 7.The drainage jockey is a kind of rodding structure, and it passes this shell body 11 inner chambers one sidepiece, and the bottom passes shell body below, and is electrically connected with the High-Voltage Insulation connecting line, the top of the housing 11 that exposes outside outside the upper end, and be connected with regular jaw; Comprise reducing motor 4, master control borad 5 and be positioned at the other side of shell body 11 inner chambers for master control borad 5 and reducing motor 4 provide the fixed part of battery case 13 and the hook stick connecting portion 7 of power supply; Be the strip distribution with holding out against member 3, this strip distributes and drainage jockey 6 is arranged in parallel in the inner chamber of shell body 11.In the inner chamber of this shell body 11, be provided with the cooperation cavity that holds the said fixing parts; Make fixed part be able to be installed in this shell body; The drainage jockey then is connected with fixed part through a kind of mechanical trip mechanism 12, thereby is limited in the shell body.
On the basis of accompanying drawing 2 with reference to accompanying drawing 3; Associated jaw portion comprises moving jaw 1 and regular jaw 2, and regular jaw 2 is bridge shape structure, and the lower surface is the indent arc; Moving jaw 1 is installed in the below of regular jaw 2; Its upper surface has the indent arc with regular jaw 2 lower surfaces symmetry, and the two forms a kind of olivary through hole when closed, and lead 8 is arranged in this olivary through hole when receiving the associated jaw portion clamping.Drainage jockey 6 is a kind of drainage copper rod, itself and moving jaw 1 and regular jaw 2 vertical distribution, and an end of regular jaw 2 is fixedly connected with the upper surface of this drainage copper rod; Moving jaw 1 then is connected with the side surface of this drainage copper rod through a kind of adjustable connector 9; This is adjustable, and connector 9 is a kind of flat-shaped soft lead; Two ends are fixedly connected on a distolateral and drainage copper rod side of moving jaw respectively; And become the two conducting medium, when moving jaw 1 moved up and down, the position that this flat flexible conductor can be complied with moving jaw 1 was adjusted thereupon.
On the basis of accompanying drawing 2 referring to accompanying drawing 4; Jacking mechanism 3 in the clamping device includes tight sleeve 31, holds out against spring 32, screw rod 33 and hold out against nut 34; Screw rod 33 is connected with the rotating shaft of reducing motor 4, holds out against nut 34 bottoms and has boss structure, holds out against nut 34 and is a kind of rodding structure with internal thread; It is placed around screw rod 33 peripheries, and is connected with screw rod 33 threaded engagement; Tight sleeve 31 is a kind of " T " shape structure, and the cross bar upper surface is installed with moving jaw 1; Montant is a kind of under shed; Straight-bar with cylindrical internal cavity; Hold out against spring 32 and be positioned at and hold out against nut 34 tops, and be arranged in the inner chamber of tight sleeve 31 under shed with the top shaft that holds out against nut 34, the inner chamber internal diameter of tight sleeve 31 cooperates with the crest clearance that holds out against nut 34.
Jacking mechanism 3 is provided with limit switch; The electrical connection of this limit switch is seen after and is stated the particular content of master control borad; And mechanical realization is specially: this limit switch includes upper limit position switch 101, contact 102 and lower position switch 103, and the three is on the same vertical plane in regular turn from top to bottom, and the contact between the three is on the same vertical line; And connect as follows respectively; Upper limit position switch 101 is installed on the side of tight sleeve 31 bottoms, and contact 102 is installed on the side that holds out against nut bottom boss, and lower position switch 103 is installed on the side on reducing motor 4 shell body tops.Concrete operation principle is seen the explanation of appropriate section in the summary of the invention.
On the basis of accompanying drawing 2 with reference to accompanying drawing 5; Mechanical trip mechanism 12 includes crank 121, latch 122 and driving lever 123; On hook stick connecting portion 7, have a cross through hole, on drainage jockey 6, have a hole slot, this hole slot and the coaxial and relative distribution of cross through hole on the hook stick connecting portion 7; Latch 122 passes cross through hole, and an end is plugged on the hole slot of drainage jockey 6; Driving lever 123 is positioned on the latch; Crank 121 is a kind of " L " type structure; Montant is a quarter butt, is positioned on the driving lever side by drainage jockey 6 one sides, and cross bar is a stock; Its free end is equipped with insulation stay cord 124; The square crossing point of cross bar and montant has a through hole, is plugged with a fixture on this through hole and is connected to form fixing point (not drawing) on the shell body here, and this fixing point is as the fulcrum of crank 121.
In actual use; When pulling insulation stay cord 124, promote driving lever 123 through crank 121, and then pulling latch 122 is away from drainage jockey 6; This moment is owing to drainage jockey 6 and regular jaw 2 are articulated on the lead; Fixed parts such as moving jaw, jacking mechanism and reducing motor, master control borad, hook stick connecting portion then are supported on the drainage jockey 6 through this mechanical trip mechanism, in case start mechanical trip mechanism, then fixed part can drive jacking mechanism and moving jaw comes off downwards under action of gravity; The shell body of this moment will come off thereupon; Therefore need between shell body and drainage jockey 6, be provided with and be connected insurance, perhaps also can directly adopt adjustable connector between moving jaw and the drainage jockey as being connected insurance, problem in case the equipment of anti-avulsion button generation drops.
With reference to accompanying drawing 6, master control borad 5 includes current acquisition circuit, temperature collection circuit, limit switch circuit, CPU, wireless communication unit and motor-drive circuit.The current sensor 14 that the current acquisition circuit is connected is connected with drainage jockey 6; The temperature sensor 15 that temperature collection circuit connected is installed on the side of regular jaw 2 near drainage jockey 6, and accompanying drawing 2 is seen in this connection.The current acquisition circuit is gathered the current information of distribution network live line work drainage system in operating process; Temperature collection circuit is then gathered the temperature data of distribution network live line work drainage system clamping device associated jaw portion in operating process, so that system monitoring is carried out in live line working.Motor-drive circuit is a kind of motor-drive circuit.
With reference to accompanying drawing 7, the CPU of master control borad is a kind of single chip circuit, and it is the IPM single-chip computerized intelligent pattern of MSP430F149 that single-chip microcomputer adopts model.Wherein the P6.0/A0 pin of single-chip microcomputer connects the current acquisition circuit, receives the current signal of gathering; The P6.1/A1 pin of single-chip microcomputer connects temperature collection circuit, receives the temperature data of gathering; The corresponding SERVO end that connects motor-drive circuit as shown in Figure 8 of SERVO end shown in the P1.2/TA1 pin of single-chip microcomputer; The P4.2/TB2 pin of single-chip microcomputer connects wireless communication unit, and P5.1/SIMO1 pin and pairing LMT1 of P5.0/STE1 pin and corresponding respectively LMT1 and the LMT2 end that is connected in the limit switch circuit as shown in Figure 9 of LMT2 end.
With reference to accompanying drawing 8; Temperature collection circuit mainly comprises parts such as resistance-voltage transitions, filtering; Thereby the change in resistance of thermistor RT1 induction is converted to the magnitude of voltage variation and is connected to the P6.1/A1 end among Fig. 7 through the ADTEMP end, send into the inside AD converter of single-chip microcomputer and gather.
With reference to accompanying drawing 9; The current acquisition circuit mainly comprises parts such as I-V conversion, rectification, dividing potential drop, filtering; Thereby the AC-AC current conversion of coil CUR induction is become direct voltage and is connected to the P6.0/A0 end among Fig. 7 through the ADCUR end, send into the inside AD converter of single-chip microcomputer and gather.
Motor-drive circuit shown in Figure 10 includes light-coupled isolation part of O P1 and electric current amplifier section (by T1, model is 8050 transistor circuit composition), mainly drives reducing motor by pulse and moves, thereby accomplish the action that clamps and unclamp jaw.For safe and reliable operation, this motor-drive circuit also will receive the restriction of limit switch circuit simultaneously.
In the limit switch circuit shown in Figure 11, the LMT1/SW1 joint is connected to lower position switch and the contact among Fig. 4; The LMT2/SW1 joint is connected to upper limit position switch and the contact among Fig. 4.When lower position switch and contact closure, the LMT1/SW1 joint will obtain first limit signal, and send single-chip microcomputer to through the LMT1 end, control motor-drive circuit thus and start or stop; Same, when upper limit position switch and contact closure, the LMT2/SW1 joint will obtain second limit signal, and send single-chip microcomputer to through LMT2, control motor-drive circuit thus and start or stop.
With reference to accompanying drawing 12, hand-held watch-dog includes wireless delivery unit, data processing unit, key-press input unit and the demonstration output unit that is electrically connected in regular turn, the wireless delivery unit of hand-held watch-dog and the wireless communication unit wireless connections of master control borad.Key-press input unit includes the control button of controlling left clamping device and right clamping device respectively; And the button that receives and export control; The master control borad of a left side clamping device or right clamping device has and hands the watch-dog data processing unit consistent frequency identification or Address Recognition are set; Like this, just can in remote control transmits, be connected to corresponding clamping device accurately through the button of controlling a left side/right clamping device in the key-press input unit and carry out straighforward operation.Show that output unit includes liquid crystal display drive circuit and LCD, the input of liquid crystal display drive circuit connects data processing unit, and output connects LCD.
Data processing unit also is a kind of single chip circuit, sees accompanying drawing 13, and it is the IPM single-chip computerized intelligent pattern of MSP430F149 that single-chip microcomputer adopts model.The KEY1 of single-chip microcomputer ~ KEY8 pin is connected to key-press input unit, and the P6.4/A4 of single-chip microcomputer, P6.5/A5, P6.6/A6 then are connected on the liquid crystal display drive circuit.Single-chip microcomputer is used for the data that deal with data need be sent or receive, and sends the master control borad of clamping device to through wireless delivery unit, perhaps sends to show in the output device.
The concrete operation principle of distribution network live line work drainage system with remote monitoring in real time of the present invention is said referring to summary of the invention, and it is identical with prior art that the present invention does not state part.
Claims (10)
1. has the remote distribution network live line work drainage system of monitoring in real time; It is characterized in that; Include a pair of clamping device, High-Voltage Insulation connecting line and hand-held watch-dog; Wherein clamping device includes moving jaw, regular jaw, temperature sensor, current sensor, master control borad and drainage jockey, and regular jaw is fixedly connected with the drainage jockey, and moving jaw then is connected through adjustable connector with the drainage jockey; Temperature sensor is installed on the regular jaw, and current sensor is installed on the drainage jockey; The two ends of High-Voltage Insulation connecting line are connected respectively to each clamping device; Master control borad includes wireless communication unit, CPU and temperature collection circuit and the current acquisition circuit that is electrically connected in regular turn; Temperature sensor is connected with CPU through temperature collection circuit, and current sensor is connected with CPU through the current acquisition circuit; Hand-held watch-dog includes wireless delivery unit, data processing unit, key-press input unit that is electrically connected in regular turn and the demonstration output unit that is connected with data processing unit, the wireless delivery unit of hand-held watch-dog and the wireless communication unit wireless connections of master control borad.
2. the distribution network live line work drainage system with remote real-time monitoring according to claim 1 is characterized in that clamping device also includes jacking mechanism, reducing motor and hook stick connecting portion; Regular jaw is the bridge shape, and the one of which end is fixedly connected with the drainage jockey, and moving jaw is installed in the regular jaw below; Its upper surface have with regular jaw bridge shape symmetrical arcs of recesses; Moving jaw one end is connected with the drainage jockey through adjustable connector, and the bottom of moving jaw is installed on the top end face of jacking mechanism, and the rotating shaft of reducing motor and this jacking mechanism are in transmission connection; Master control borad also includes a motor-drive circuit; It is electrically connected with the start-up circuit of reducing motor, master control borad and supply unit thereof be installed in one with shielding box body that the reducing motor shell is connected in, the upper end of hook stick connecting portion is connected with the lower surface of this shielding box body.
3. the distribution network live line work drainage system with remote real-time monitoring according to claim 1; It is characterized in that jacking mechanism includes tight sleeve, holds out against spring, screw rod and hold out against nut, screw rod is connected with the rotating shaft of reducing motor; Hold out against nut and be placed around the screw rod periphery; And be connected with screw flight, hold out against spring and be positioned at and hold out against the nut top, and be arranged in the inner chamber of tight sleeve under shed with the top shaft that holds out against nut; The inner chamber internal diameter of tight sleeve cooperates with the crest clearance that holds out against nut, and the top of tight sleeve is equipped with moving jaw simultaneously.
4. the distribution network live line work drainage system with remote real-time monitoring according to claim 3 is characterized in that also include a kind of limit switch, this limit switch is electrically connected with the CPU of master control borad; Limit switch includes upper limit position switch, lower position switch and contact; Upper limit position switch is installed in a side of tight sleeve bottom; Contact is installed in and holds out against nut bottom side; With the upper limit position switch homonymy, lower position switch is installed on the side that is limited to the vertically opposite reducing motor shell body of switch.
5. the distribution network live line work drainage system with remote real-time monitoring according to claim 2 is characterized in that, also includes a kind of mechanical trip mechanism; It includes crank and latch, on the hook stick connecting portion, has a cross through hole, on the drainage jockey, has a hole slot; This hole slot and the coaxial and relative distribution of cross through hole on the hook stick connecting portion; Latch passes cross through hole, and an end is plugged on the hole slot of drainage jockey, simultaneously; Has a driving lever on this latch; One bar portion of crank leans on the side of drainage jockey by touching at driving lever, on the end of another bar portion of crank the insulation stay cord is installed, and the crosspoint of crank two bar portions is provided with fulcrum.
6. the distribution network live line work drainage system with remote real-time monitoring according to claim 2; It is characterized in that; Also include a shell body, the drainage jockey is a kind of drainage copper rod, and it passes this shell body inner chamber one sidepiece; The bottom passes the shell body below, and is electrically connected with the High-Voltage Insulation connecting line; Expose outside outside the upper end of the drainage copper rod top of housing, and be connected with regular jaw; Comprise that the fixed part of reducing motor, master control borad and hook stick connecting portion is positioned at the other side of shell body inner chamber.
7. the distribution network live line work drainage system with remote real-time monitoring according to claim 1 is characterized in that described adjustable connector is a kind of flat flexible conductor, and the one of which end is fixed on the drainage jockey, and the other end is fixedly connected with moving jaw.
8. the distribution network live line work drainage system with remote real-time monitoring according to claim 1; It is characterized in that; Adjustable connector is a kind of guide rail component that can conduct electricity; It is fixed on the drainage jockey, and an end of moving jaw is connected in this guide rail component through a kind of conduction guide rod.
9. the distribution network live line work drainage system with remote real-time monitoring according to claim 1; It is characterized in that; The CPU of master control borad is a kind of single chip circuit; Include singlechip chip, reset circuit, download debug circuit and filter circuit, reset circuit, download debug circuit and filter circuit are electrically connected with singlechip chip respectively.
10. the distribution network live line work drainage system with remote real-time monitoring according to claim 1; It is characterized in that; The motor-drive circuit of master control borad includes optical coupling isolation circuit and current amplification circuit, and the input of optical coupling isolation circuit connects CPU, and accepts the pulse signal that CPU provides; The output of optical coupling isolation circuit is electrically connected with current amplification circuit, and the output of current amplification circuit is electrically connected with the control circuit of reducing motor.
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| CN201210324848.0A CN102832568B (en) | 2012-09-05 | 2012-09-05 | Current guiding device for live operation of distribution network with long-distance real-time monitor |
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| CN103995490A (en) * | 2013-02-19 | 2014-08-20 | 河北实华科技有限公司 | Hand-held monitor |
| CN104682252A (en) * | 2015-03-18 | 2015-06-03 | 国网辽宁省电力有限公司盘锦供电公司 | Hot-line work lead transition line device |
| WO2017032316A1 (en) * | 2015-08-25 | 2017-03-02 | 中铁电气化局集团宝鸡器材有限公司 | Temperature compensation device for rigid overhead catenary |
| CN106877227A (en) * | 2017-04-11 | 2017-06-20 | 国家电网公司 | A kind of manipulator livewire work part flow arrangement |
| CN110071406A (en) * | 2019-03-27 | 2019-07-30 | 北京国电富通科技发展有限责任公司 | Power distribution network charges automatic connection tool group and robot |
| CN113030838A (en) * | 2021-03-25 | 2021-06-25 | 河南省计量科学研究院 | Electric energy meter calibrating installation of online area load examination |
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| CN106877227B (en) * | 2017-04-11 | 2018-03-30 | 国家电网公司 | A kind of manipulator livewire work part flow arrangement |
| CN110071406A (en) * | 2019-03-27 | 2019-07-30 | 北京国电富通科技发展有限责任公司 | Power distribution network charges automatic connection tool group and robot |
| CN113030838A (en) * | 2021-03-25 | 2021-06-25 | 河南省计量科学研究院 | Electric energy meter calibrating installation of online area load examination |
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| CN113219291A (en) * | 2021-07-07 | 2021-08-06 | 广东南海电力设计院工程有限公司 | Cable measuring device |
| CN113219291B (en) * | 2021-07-07 | 2021-10-22 | 广东南海电力设计院工程有限公司 | Cable measuring device |
| CN114267163A (en) * | 2021-11-30 | 2022-04-01 | 国网辽宁省电力有限公司锦州供电公司 | Safe operation method in 220 KV equipment field |
| CN114267163B (en) * | 2021-11-30 | 2023-09-15 | 国网辽宁省电力有限公司锦州供电公司 | Safe operation method in 220 KV equipment field |
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