CN208334468U

CN208334468U - Multi gear position automatic-switching type electric signal tester

Info

Publication number: CN208334468U
Application number: CN201820479239.5U
Authority: CN
Inventors: 任战恺
Original assignee: Datang Linqing Thermoelectric Co Ltd
Current assignee: Datang Linqing Thermoelectric Co Ltd
Priority date: 2017-06-23
Filing date: 2018-04-07
Publication date: 2019-01-04
Anticipated expiration: 2028-04-07

Abstract

The utility model discloses a kind of multi gear position automatic-switching type electric signal testers, including pedestal, it is installed with spaced support frame annular in shape on pedestal, is wound with the conducting wire of two circles or the two above outsourcing insulations of circle between support frame in the same direction, conducting wire both ends have been electrically connected wire clamp.Support frame is equipped with the groove for making the conducting wire between adjacent supports frame be gathered into harness.It can not only play the role of preventing conducting wire from slipping from support frame, but also can will be gathered into harness by the coil of support frame, the pincerlike electric current folder that can be convenient phase meter in this way carries out collet, more convenient operation.Advantage be can subsidiary secondary circuit Smaller load current values, amplification factor can be automatically selected according to gear, operating automation degree is high, simple and quick, easy to carry, is particularly suitable for power plant electrician and uses.

Description

Multi gear position automatic-switching type electric signal tester

Technical field

The utility model relates to a kind of multi gear position automatic-switching type electric signal testers.

Background technique

Power plant in actual operation, needs often to detect the various electrical parameters in secondary circuit, to run for power plant State provides reference data.Bus differential protection relies primarily on current transformer (including the current transformer in current loop) secondary singal work To protect judgment basis, thus current transformer can correct progress of disease primary information, can directly affect bus differential protection positive positive motion Make.When proximal end external fault occurs for bus, faulty line CT may be saturated, cannot correct progress of disease primary current, secondary current It is distorted defect, 0 is possibly close to when serious.Biggish difference stream will occur in differential protection at this time, and differential protection criterion will be anti- It reflects for internal fault, the possible malfunction of bus differential protection.Protection cannot be determined by the size of load current in the no-load voltage ratio of CT determines The method of grade electric current no-load voltage ratio, and must be using the maximum short circuit current and mutual inductor institute energy most possibly occurred in protection installation place The load capacity that undertakes and the method for saturation multiple determine.So State Grid Corporation of China is in 220kV substation secondary drawing allusion quotation 35kV bus differential protection is fixed as 1500/5 with CT no-load voltage ratio in type design, it may be to after the no-load voltage ratio for increasing protected level CT Protective relaying device, which works normally, generates some adverse effects, protective relaying device operation monitoring is mainly detrimental to, so working as Protective device is unable to measure accurate two sub-value when load current is too small, if measured using means such as electronics amplifications, is bound to Non- load waveform is amplified together by calculation formula simultaneously, making the zero of protective device to float will affect the accuracy of measurement.Due to nothing Method actually measures CT secondary circuit and bus differential protection with load current, so bus differential protection must not put into operation, it is right The safe operation of power grid generates certain influence.

Utility model content

The technical problem to be solved by the present invention is to provide one kind being capable of subsidiary secondary circuit Smaller load electric current number Value can automatically select amplification factor according to gear, and operating automation degree is high, simple and quick, easy to carry, especially suitable Close the multi gear position automatic-switching type electric signal tester that power plant electrician uses.

In order to solve the above technical problems, this multi gear position automatic-switching type electric signal tester is structurally characterized in that: including outer Shell, shell include regular hexagon tabular pedestal, fixed there are six spaced support frame annular in shape on pedestal, support frame it Between be wound with the conducting wires of two circles or the two above outsourcing insulations of circle in the same direction, conducting wire both ends have been electrically connected wire clamp, and shell also wraps The cover cylinder that the downward fixing buckle of oral area covers on pedestal is included, cover cylinder includes the upper and lower corresponding upper cover being fixed together and bobbin, bobbin It is equipped with the group of windows extended up and down correspondingly with support frame, group of windows includes at least one window, the middle of the base installation Have the fixation device of wire tensioning, upper lid is equipped with the wire guide for extending out the latter end of conducting wire.

This multi gear position automatic-switching type electric signal tester is can be assisted by incuding enlarged structure around ring type to realize Secondary circuit Smaller load current values are measured, amplification factor can be automatically selected according to gear, operating automation degree is high, operation It is simple and fast, it is easy to carry, it is particularly suitable for what power plant electrician used.

It mainly include the conducting wire of the support frame being installed on pedestal and winding on the support frame around ring type induction enlarged structure. Wherein, pedestal is regular hexagon slab construction, and the quantity of support frame as described above is six, and each support frame is annularly mounted on pedestal On, and setting is spaced apart from each other between each support frame, thus support construction is provided for conducting wire pitch of the laps.Conducting wire according to it is identical around To successively passing through each support frame, as along if pointer direction all around to being all clockwise direction, in this way, conducting wire with regard to it is simultaneously wound On all support frames.Direction when guiding winding is not still identical, and is fixed, that is to say, that if it is up time The winding of needle direction is just wound always clockwise, is just counterclockwise wound always if it is counter clockwise direction winding, can only There is a kind of winding direction.Conducting wire is formed coil or loop after being wound on support frame, the quantity of coil is at least two circles, Generally it is wound in 10 circles or 20 circles.Because being provided with insulating layer outside conducting wire, it is between the coil outer layer that is in contact Insulated from each other.In this way, each coil just constitutes a separate conductive circuit or conductive coil, each galvanic circle or conductor wire Circle is concatenation relationship.According to electromagnetic theory it is found that the quantity of conductive coil is directly proportional to the magnetic field strength that it is generated, therefore this is more Gear automatic-switching type electric signal tester has the function of accurately amplifying electromagnetic signal.In this multi gear position automatic-switching type telecommunications In number tester, conducting wire both ends have been electrically connected wire clamp, to facilitate external connection to use.In this patent, shell further includes The downward fixing buckle of oral area covers on the cover cylinder on pedestal, and cover cylinder includes the upper and lower corresponding upper cover being fixed together and bobbin.Cover cylinder master It is acting on first is that protection conducting wire and support frame, main function second is that providing installation supporting role for other accessories.? In this patent, bobbin is equipped with can clamp coil by window and measure with the one-to-one window of support frame, tester, It is very convenient.Because the quantity of support frame is six, and is wound with different groups of loop again on six support frames, therefore, There are several windows on each support frame, number of conductors is different in the corresponding coil of each window, current amplification factor also not phase Together, more more options are provided for tester.The middle of the base is equipped with the fixation device of wire tensioning, it is ensured that conducting wire is reliable Winding on the support frame, ensure that functional reliability.Upper lid is equipped with the wire guide for extending out the latter end of conducting wire, by this Conducting wire latter end can be pulled out shell by wire guide, thus can connect farther away electric signal terminal, very convenient.In this patent In, six support frames are separately positioned on six corners of regular hexagon pedestal, and the purpose being arranged in this way is exactly that window setting is made to exist At the rib of regular hexagon cover cylinder, such window can sufficiently expose conducting wire, survey for test and provide bigger operating space, make to test Test clip easily can be inserted into window and is clamped on conducting wire by person, help to improve work convenience and working efficiency.

When using this multi gear position automatic-switching type electric signal tester, the coil tandem that conducting wire is constituted is existed by wire clamp In secondary circuit, then the pincerlike electric current of phase meter need to only be pressed from both sides to collet on the coil that conducting wire is constituted, so that it may measure secondary Loop current can also calculate primary circuit electric current, operate very simple.

As an improvement, further including the handle being installed on the upper cover, it further includes two fixed that the handle, which includes n shape hand handle, Hand handle block with fraising on upper lid, hand handle both ends are coaxially installed with the hand handle axis hingedly cooperated with corresponding hand handle block；On upper lid Be also equipped with and the trigger device of cover cylinder entered by the triggering latter end of handle control, the trigger device include be arranged on upper lid and Wire guide is disposed adjacent and the triggering hole below the portion of hand handle shaft end, is installed with the trigger arm radially extended on hand handle axis, touches Hair arm end is by being hinged with triggering curved bar with hand handle axis hinged shaft disposed in parallel, and triggering curved bar is through triggering hole and both ends upwarp Intermediate recessed mode is bent setting, and upper cover underrun gag lever post is installed with the triggering pipe with the setting of hand handle axis axis parallel, Gag lever post be equipped with triggering curved bar suit limit cooperation limit rod aperture, upper cover bottom surface be fixedly provided under natural conditions downwards to The swing elastic slice that can only be swung when the c-shape and stress of right bending swings the oral area of elastic slice away from triggering pipe setting, swings bullet Piece end is installed with the conductor loop of suit conducting wire, swings elastic slice conducting wire when nature is c-shape and enters conductor loop end suitable for reading Mouth under into conductor loop, latter end traction swings elastic slice and inversely swings into u shape to the left along triggering pipe outer wall when pulling out latter end, touches Hair curved bar end is installed with when swinging elastic slice and swinging into u shape state to swinging elastic slice and conductor loop is limited so that conducting wire is suitable The u shape clip freely skidded off.

In this patent, handle is installed on upper lid, this patent can be held on by handle, when needing mobile or carrying It is more convenient.The handle includes a hand handle, and hand handle is arranged in n shape.Handle further includes two hand handles being installed on lid Block, hand handle block are equipped with fraising.Hand handle both ends are coaxially installed with one section of hand handle axis, and hand handle axis is inserted with the fraising of corresponding hand handle block Cooperation, thereby realizes the hinged cooperation of hand handle and upper cover., can be by hand handle righting when carrying, when work, can be by hand handle It puts down to vacate more working spaces.In this patent, a trigger device, the main work of trigger device are also equipped on upper lid With being that triggering latter end slides and automatically retracts latter end under downslide inertia when test is completed to need to return.In this patent, Trigger device is controlled by hand handle and is completed.When test is completed, by hand handle by horizontal pendulum to vertical state, the triggering of hand handle axis driving at this time Device action, trigger device give latter end one downslide starting force, and latter end is made to start recycling of gliding under starting force effect.Work as end After downslide inertia is received next time, the hand handle for lifting vertical state can return to section, very simply.In this patent, described Trigger device includes that the triggering hole being disposed adjacent on upper lid with wire guide is arranged in, and triggering hole is located at below the portion of hand handle shaft end.Hand The trigger arm radially extended is installed on axis, trigger arm end is curved by being hinged with triggering with hand handle axis hinged shaft disposed in parallel Bar, therefore, triggering curved bar is equivalent to swing around hand handle axis, and this swing is to drive trigger arm by hand handle axis in hand handle It completes.In this patent, triggering curved bar is through the setting of triggering hole.Triggering curved bar both ends, which upwarp intermediate recessed mode and are bent, to be set It sets, triggering curved bar upper end lower end above triggering hole is being triggered below hole.Therefore, when triggering curved bar is swung, hole is exactly triggered It is done under position-limiting action and similar pulls and pushes movement.In this patent, upper cover underrun gag lever post is installed with a triggering pipe, triggering pipe It is arranged with hand handle axis axis parallel and the diameter for triggering pipe is significantly larger than hand handle shaft diameter.Gag lever post is equipped with limit rod aperture, Rod aperture and triggering curved bar lower section suit limit cooperation are limited, to guarantee that triggering curved bar can accurately find the position of conducting wire latter end simultaneously Trigger it.In this patent, it triggers the upper cover on the right side of pipe and has been fixedly mounted on the bottom surface with a swing elastic slice, swing elastic slice in nature Under be bent downwardly and to the right it is c-shape, and swing elastic slice stress when can only swing to the left or to the right.Because swinging elastic slice is located at triggering Pipe right side and the oral area for swinging elastic slice deviate from triggering pipe, therefore under the premise of swing elastic slice upper end is fixed, swing elastic slice lower section It is upper and swing to the left along triggering pipe outer wall that triggering pipe will be against when by power to the left.In this patent, it is fixed to swing elastic slice end There is conductor loop, conductor loop and wire sleeve assembly are closed.In this patent, conductor loop and conducting wire are that reverse inserting or suit cooperate, Namely swing elastic slice wind when nature is c-shape support frame conducting wire entrance be that conductor loop is suitable for reading, and connect with wire clamp Conducting wire enter be conductor loop lower mouth.The effect being inversely set be conducting wire from wire clamp direction to support frame direction namely by Conductor loop and conducting wire are forward conducive to sliding therefore slide smooth and conductor loop when sliding from inside to outside with being combined into when sliding outside to inside Match to be combined into conducting wire and swing to unfavorable sliding therefore obstruction, therefore reverse be set with facilitates conducting wire recycling.So when needing outside conducting wire When putting what if, then need manpower to assist, namely need to pull out conducting wire.When pulling since conductor loop and conducting wire cooperate Resistance is larger to swing to, thus manpower will directly be swung by conducting wire elastic slice switched to by c shape bending to the right it is outer along triggering pipe The u shape that wall extends.In this patent, triggering curved bar end is installed with a clip, and clip is in u shape.The main function of clip is Elastic slice is swung to swing at being limited so that swinging elastic slice keeps u shape state, swing when u shape state to swinging elastic slice and conductor loop Elastic slice keep u shape state effect be exactly at this time conductor loop be placed exactly in wire guide lower section position to the left, this position can guarantee The smoothness that conducting wire skids off.

As an improvement, the conductor loop is oval, oblong length direction is consistent with the length direction of elastic slice is swung.

Conductor loop is arranged it is oval, and oblong length direction with swing the length direction of elastic slice it is consistent, expand The activity space of conducting wire, and have the guiding role for making conducting wire to centre aggregation, more facilitate the smooth sliding of conducting wire.

As a further improvement, the triggering pipe outside diameter is identical as c shape swing elastic slice outer diameter.

Triggering pipe outside diameter is arranged identical as c shape swing elastic slice outer diameter, when can make to swing elastic slice swing into u shape, is led Wire loop position is placed exactly in position to the left below wire guide, facilitates the smooth sliding of conducting wire.

In conclusion the multi gear position automatic-switching type electric signal tester using this structure being capable of subsidiary secondary returning Road Smaller load current values can automatically select amplification factor according to gear, and operating automation degree is high, simple and quick, It is easy to carry, it is particularly suitable for power plant electrician and uses.

Detailed description of the invention

The utility model is described in further detail in conjunction with attached drawing:

Fig. 1 is the structural schematic diagram of the utility model；

The structural schematic diagram of the utility model when Fig. 2 is in working condition；

The structural schematic diagram of the utility model when Fig. 3 is idle state；

Fig. 4 is the schematic diagram of internal structure of the utility model；

Fig. 5 is the structural schematic diagram of fixed device；

Fig. 6 is the fit structure schematic diagram of fast pulley and silica gel piece；

Fig. 7 is the structural schematic diagram of recyclable device；

Fig. 8 is the structural schematic diagram of support frame；

The fit structure schematic diagram of locking device and trigger device when Fig. 9 is in working condition；

Figure 10 is the fit structure schematic diagram of locking device and trigger device when hand handle is swung up about 45 degree in Fig. 9；

Figure 11 is structural schematic diagram when 90 degree of locking device unlocks of pendulum and trigger device are triggered in hand handle；

Figure 12 is that 90 degree of locking devices of pendulum unlock the structural schematic diagram after being triggered with trigger device in hand handle.

Specific embodiment

As shown in Figure 1, the multi gear position automatic-switching type electric signal tester includes shell 0, shell includes that regular hexagon is flat Tabular pedestal 1, it is fixed there are six spaced support frame 2 annular in shape on pedestal, be wound in the same direction between support frame two circles or The conducting wire 3 of the two above outsourcing insulations of circle, conducting wire both ends have been electrically connected wire clamp 4, and shell further includes the downward fixing buckle of oral area The cover cylinder 7 on pedestal is covered on, cover cylinder includes the upper and lower corresponding upper cover 8 being fixed together and bobbin 9, and bobbin is equipped with and support frame The one-to-one group of windows extended up and down, group of windows include at least one window 10, and the middle of the base is equipped with wire tensioning Fixation device 11, upper lid be equipped with extend out the latter end 12 of conducting wire 3 wire guide 13.This multi gear position automatic-switching type electricity Signal testing device mainly includes the conducting wire of the support frame being installed on pedestal and winding on the support frame.Wherein, pedestal is positive six Side shape slab construction, the quantity of support frame as described above are six, and each support frame is annularly mounted on the base, and between each support frame It is spaced apart from each other setting, thus provides support construction for conducting wire pitch of the laps.Conducting wire is according to identical around to successively by each support Frame, as along if pointer direction all around to being all clockwise direction, in this way, conducting wire is with regard to simultaneously wound on all support frames. Direction when guiding winding is not still identical, and is fixed, that is to say, that winds just always if it is clockwise direction It winds clockwise, is just counterclockwise wound always if it is counter clockwise direction winding, can only there is a kind of winding direction.It leads Line is formed coil or loop after being wound on support frame, the quantity of coil is at least two circles, be generally wound in 10 circles or 20 circles.It is insulated from each other between the coil outer layer that is in contact because being provided with insulating layer outside conducting wire.In this way, Each coil just constitutes a separate conductive circuit or conductive coil, and each galvanic circle or conductive coil are concatenation relationship.Root According to electromagnetic theory it is found that the quantity of conductive coil is directly proportional to the magnetic field strength that it is generated, therefore this multi gear position automatic-switching type Electric signal tester has the function of accurately amplifying electromagnetic signal.In the automatic-switching type electric signal tester of this multi gear position, lead Line both ends have been electrically connected wire clamp, to facilitate external connection to use.In this patent, shell further includes the downward fixing buckle of oral area The cover cylinder on pedestal is covered on, cover cylinder includes the upper and lower corresponding upper cover being fixed together and bobbin.Cover cylinder main function first is that protect Protection cover wire and support frame, main function second is that providing installation supporting role for other accessories.In this patent, on bobbin Equipped with the one-to-one window of support frame, tester can by window clamp coil measure, it is very convenient.Because of branch The quantity of support is six, and is wound with different groups of loop on six support frames again, therefore, if having on each support frame A dry window, number of conductors is different in the corresponding coil of each window, and current amplification factor is not also identical, provides for tester More more options.The middle of the base is equipped with the fixation device of wire tensioning, it is ensured that conducting wire is reliably wound on the support frame, is protected Functional reliability is demonstrate,proved.Upper lid is equipped with the wire guide for extending out the latter end of conducting wire, can be by conducting wire by the wire guide Latter end pulls out shell, thus can connect farther away electric signal terminal, very convenient.In this patent, six support frames point Six corners of regular hexagon pedestal are not set, and the purpose being arranged in this way is exactly the rib for making window that regular hexagon cover cylinder be arranged in Place, such window can sufficiently expose conducting wire, survey for test and provide bigger operating space, survey tester easily will Examination folder insertion window is simultaneously clamped on conducting wire, helps to improve work convenience and working efficiency.

In this patent, support frame as described above includes the upper prop 01 and lower prop 02 being coaxially disposed up and down, and upper prop lower end is installed with Horizontal upper connecting rod 03, upper connecting rod both ends are installed with the lower inserting column 04 being arranged straight down, lower prop upper end be installed with it is horizontal under Connecting rod 05, lower link both ends are equipped with corresponding up and down with lower inserting column and can insert the upper jack 06 of cooperation, further include being arranged right Several thick bars 07 and thin bar 08 between inserting column and upper jack should be descended, the upper end of thick bar and thin bar, which is equipped with to insert with lower inserting column, match 09 lower end of internal plug seat of conjunction is equipped with the interior inserting column 010 with the inserting cooperation of upper jack, any corresponding lower inserting column and upper jack up and down Between formed conducting wire made to collect bundles of several grooves 011, the top of each groove at least insert at least slotting in the middle part of one thick bar It fills a thin bar lower part and at least inserts a thick bar, the quantity of the window and position and groove one-to-one correspondence.In this patent, Support frame is mainly made of six parts, i.e. upper prop, lower prop, upper connecting rod, lower link, thick bar and thin bar, wherein on upper prop and lower prop Lower coaxial arrangement, upper prop and lower prop are the main components of support frame and cage connection.Upper prop lower end is installed with upper connecting rod, upper connecting rod Horizontally disposed, upper connecting rod both ends are installed with a lower inserting column extended straight down respectively.Similar, lower prop upper end is fixed There is lower link, lower link is arranged in parallel with upper connecting rod.Lower link both ends be equipped with opening upwards setting upper jack, upper jack with Lower inserting column is correspondingly arranged up and down and the completely the same energy inserting of the two size is combined together.Support column further includes being arranged under correspondence The quantity of thick bar and thin bar between inserting column and upper jack, thick bar and thin bar is several.The upper end of thick bar and thin bar is designed with energy With the internal plug seat of lower inserting column inserting cooperation, the lower end of thick bar and thin bar is designed with the interior inserting column with the inserting cooperation of upper jack.Thick bar Be with the structure of thin bar it is similar, difference place both is that thickness is different.Therefore, it is any up and down corresponding lower inserting column and it is upper insert Combining to be formed by thick bar and thin bar between hole makes conducting wire collect bundles of several grooves, and the top of each groove at least inserts one Thick bar, the middle part of each groove at least insert a thin bar, and the lower part of each groove at least inserts a thick bar.Groove is exactly to lead Line collects place, that is, the place of coil.In this patent, the quantity of the window and position are all corresponded with groove Setting, therefore it is capable of clamping coil as long as testing clamp is inserted into window, it operates very simple.

In the present embodiment, support frame is bilateral symmetry.Bilateral symmetry is set by support frame, is exactly made The groove that two column between connecting rod and lower link are made of thick bar and thin bar is completely the same, in this way between two column grooves in coil Number of conductors it is fixed, therefore testing clamp need to only be trusted to insertion window clamping in measurement, be not in because The different phenomenon of numerical value is measured for claming angle or direction or position difference, ensure that measurement accuracy and use reliability.

In this patent, the quantity of six support frame further grooves is followed successively by a pair of, two pairs, three pairs, four pairs, five pairs, six pairs. Because can make to be allocated between different grooves of the conducting wire between adjacent supports frame in wound around coil, by six support frames The quantity of further groove be followed successively by it is a pair of, two pairs, three pairs, four pairs, five pairs, after six pairs, a support frame just only meeting for only a pair of of groove A coil is generated, measuring and amplifying multiple at this time is maximum, is exactly 100 times if it is 100 circle conducting wire amplification factors.Likewise, If having two pair of a groove in a support frame, in production, so that it may the number of conductors of two grooves is allocated, once It is assigned, the number of lead wires in two pair of a groove is fixed, and amplification factor also just secures.If two pair of a groove is enclosed to 100 Conducting wire carries out four or six points, and loop number is exactly 40 circles and 60 circles, and amplification factor is exactly 40 times and 60 times.It can certainly carry out three Seven points or sixteen points, amplification factor be respectively 30 times to 70 times and 20 times to 80 times.Have in support frame three pairs, four pairs, five pairs or Distribution when six pairs of grooves is similar to the above, and details are not described herein.

As an improvement, being equipped with the recyclable device for automatically retracting latter end in shell on pedestal, the recyclable device includes The bracket 14 of insulation is equipped with the copper shaft 15 that can be horizontally rotated on bracket, and copper shaft one end is coaxially installed with copper wire wheel 16, institute It states that latter end is wrapped on copper wire wheel and latter end inner end is electrically connected by copper wire wheel and copper shaft, passes through fixed spiral shell on bracket Flexible pressing is fixedly mounted in the copper splinter 18 of copper shaft other end periphery in bolt 17, and copper splinter passes through fixing bolt and conducting wire pressure It tightly and is electrically connected, copper shaft middle section is set with torsional spring 19, and one end of torsional spring is fixedly connected with bracket, the torsional spring other end and copper The wheel hub of line wheel is fixedly connected.In this patent, a recyclable device is installed, the main function of the recyclable device is on pedestal Automatically retract conducting wire latter end in shell.The recyclable device mainly includes a pair of brackets, and bracket is insulation.Between two stands It is rotatably equipped with the copper shaft that can be horizontally rotated, copper shaft left end is coaxially installed with a copper wire wheel, and copper wire wheel can be with copper Shaft rotates synchronously and the two is electrically connected.The conducting wire latter end is wrapped on copper wire wheel and latter end inner end passes through copper wire wheel It is electrically connected with copper shaft, end outer end extends to shell exterior by wire guide.It is fixed on bracket by fixing bolt One copper splinter is installed, copper splinter the other end elasticity is pressed in copper shaft right end periphery.Therefore, when copper shaft rotates, copper Shaft also keeps electrical connection with copper splinter.Copper splinter also passes through fixing bolt and compresses and be electrically connected with conducting wire, this Sample conducting wire just passes through copper splinter, copper shaft and copper wire wheel and latter end is electrically connected.In this patent, copper shaft middle section is set with There is a torsional spring, one end of torsional spring is fixedly connected with bracket, and the torsional spring other end is fixedly connected with the adjacent hubs of copper wire wheel.Work as needs When test, conducting wire latter end is pulled out to realize being electrically connected for conducting wire and external wiring terminal, at this time due to the drawing of latter end Effect, copper wire wheel can be rotated forward to discharge more latter ends, while torsional spring agglomeration elasticity potential energy.Due to wire clamp pair of wire connection terminals Clamping action, copper wire wheel and torsional spring can be always maintained at unwrapping wire state.After being completed, since wire clamp loses connecting terminal Positioning action, torsional spring start to recycle latter end, and when the release of torsional spring elastic potential energy finishes, latter end is just all withdrawn.

In the present embodiment, handle 20 is installed on upper lid, is also equipped on upper lid and latter end is carried out by handle control The locking device of locking；The handle includes n shape hand handle 21, further includes two hand handle blocks being installed in fraising 23 on lid 22, hand handle both ends are coaxially installed with the hand handle axis 24 hingedly cooperated with corresponding hand handle block；The locking device includes being installed in Cover the c-shape locating cover 25 in cross section, the parallel-plate disposed in parallel 26 of wire guide two sides is arranged in locating cover, further include by The corresponding positioning plate 27 being fixed together of the adjacent edge of a pair of two parallel-plates, hand handle shaft end portion passes through adjacent parallel-plate and prolongs It reaches in locating cover, the latter end is between hand handle axis and positioning plate, half of periphery wall of the hand handle axis in locating cover On be fixedly installed with the cam 28 being made of elastic film, position of the cam on hand handle axis can make hand handle swing to the left with Latter end elasticity is pressed the cam when that hand handle can also be made to swing to vertical upper cover on positioning plate and completely disengaged by cam when upper cover is concordant Latter end, be installed on hand handle block make hand handle can only side oscillation to the left limited block 29.In this patent, handle is installed on upper lid Hand can hold on this patent by handle, more convenient when needing movement or carrying.The handle includes a hand handle, hand In the setting of n shape.Handle further includes two hand handle blocks being installed on lid, and hand handle block is equipped with fraising.Hand handle both ends are coaxial It is installed with one section of hand handle axis, hand handle axis is inserted with the fraising of corresponding hand handle block to be cooperated, and the hinge of hand handle and upper cover is thereby realized Connect cooperation., can be by hand handle righting when carrying, when work, can put down hand handle to vacate more working spaces.In this patent In, a locking device is also equipped on upper lid, the main function of locking device is locked to latter end, prevents latter end in weight Power effect is lower to slide into shell.What the locking of this locking device was controlled with unlock by hand handle.When control hand handle by vertical state to the left When pendulum to about 45 degree of angles, hand handle driving locking device starts to lock latter end.When hand handle is put to horizontal position, hand handle Driving locking device locks latter end completely, and latter end cannot move freely at this time, and test job starts.It is completed and needs to return When, hand handle is swung into erected state, locking device unlocks at this time, and at this time latter end can slide into outer automatically under the effect of gravity Shell.After conducting wire latter end recycles, lifting handle be can return to, very convenient.In this patent, the locking device includes solid The cross section of the locating cover being located on lid, locating cover is c-shape and is extended up and down.Locating cover includes three parts structure, it may be assumed that Two parallel-plates and a positioning plate.Two of them parallel-plate is arranged in wire guide two sides and is arranged in parallel, parallel-plate and hand handle Axis is vertically arranged.Positioning plate is arranged in two parallel-plate left ends and the adjacent edge correspondence in the left end of two parallel-plates is fixed together. The through slot of about one extension in this way, two parallel-plates and a positioning plate have just been encircled a city, and the through slot lower end and wire guide pair It should be arranged.In this patent, hand handle shaft end portion extends vertically through adjacent parallel-plate and extends in locating cover, for convenience of describing, by hand Axle position is known as inner segment in one section in locating cover.In this way, hand handle axis inner segment just blocks locating cover oral area get up, make hand handle axis One section of gap is formed between inner segment and positioning plate.Conducting wire latter end enters the gap after being pierced by wire guide and skids off.The gap-ratio is led Linear diameter is slightly larger, in order to the smooth sliding of conducting wire.In this patent, one is fixedly installed on half of periphery wall of hand handle axis inner segment A cam, cam are made of elastic film.Position of the cam on hand handle axis can swing to the left concordant with upper cover in hand handle When i.e. hand handle it is when in a horizontal state, hand handle driving cam is swung to completely close to positioning plate side, and Distance positioning plate is most Closely, above-mentioned gap is extruded to minimum, and cam presses latter end elasticity on positioning plate at this time.For convenience of narration, by this state Referred to as working condition or locking state.When hand handle swings to vertical upper cover i.e. when vertical state, cam completely disengages fixed Position plate, cam Distance positioning plate is farthest, and above-mentioned gap reaches maximum rating, and latter end can be free to slide at this time.For convenience of narration, This state is known as idle state or unlocked state.In this patent, limited block is installed on hand handle block, limited block is to the hand handle right side Limit, makes hand handle can only side oscillation to the left.The purpose being arranged in this way be avoid to two kinds of swing modes of from left to right to user with The puzzlement for carrying out selection simplifies operation, ensure that use reliability.In conclusion when carrying this patent to live setup test When by conducting wire pull out shell carry out wiring, then only need to by hand handle by carrying when vertical state swing to horizontality It is very convenient by conducting wire quick locking.Test job finishes when needing to leave, and only need to swing to hand handle vertically by horizontality State automatically terminates the locking to conducting wire, and conducting wire sends shell back under self weight or under human assistance, then lift vertically The hand handle of state is left, very convenient.In this patent, conducting wire and unlock conducting wire are locked and the swing state of hand handle is complete Unanimously, and the swing state of hand handle again with work or do not work it is corresponding, therefore this patent by hand handle realize it is one-touch oneself Dynamic trigger action, it is simple and convenient, greatly improve working efficiency.

It in this patent, further include the handle being installed on the upper cover, the handle includes n shape hand handle, further includes two solid It is located at the hand handle block with fraising on lid, hand handle both ends are coaxially installed with the hand handle axis hingedly cooperated with corresponding hand handle block；Upper cover On be also equipped with the trigger device of cover cylinder entered by the triggering latter end of handle control, the trigger device includes setting on upper lid The triggering hole 31 for being disposed adjacent and being located at below the portion of hand handle shaft end with wire guide is installed with the trigger arm radially extended on hand handle axis 32, trigger arm end by with hand handle axis hinged shaft disposed in parallel be hinged with triggering curved bar 33, triggering curved bar through triggering hole and Both ends upwarp intermediate recessed mode and are bent setting, and upper cover underrun gag lever post 34 is installed with to be arranged with hand handle axis axis parallel Triggering pipe 35, gag lever post be equipped with triggering curved bar suit limit cooperation limit rod aperture 36, upper cover bottom surface be fixedly provided with from The swing elastic slice 37 that can only be swung when being bent c-shape and stress downwardly and to the right under right state, the oral area for swinging elastic slice deviate from Pipe setting is triggered, the conductor loop 38 that elastic slice end is installed with suit conducting wire is swung, swings elastic slice conducting wire when nature is c-shape Enter mouth under conductor loop into conductor loop end suitable for reading, when pulling out latter end latter end traction swing elastic slice along triggering pipe outer wall to Left inverse triggers curved bar end and is installed with when swinging elastic slice and swinging into u shape state to swing elastic slice and conductor loop to swinging into u shape It is limited so that the smooth u shape clip 39 skidded off of conducting wire.In this patent, handle is installed on upper lid, it can be with by handle This patent is held on, it is more convenient when needing movement or carrying.The handle includes a hand handle, and hand handle is arranged in n shape.Handle It further include two hand handle blocks being installed on lid, hand handle block is equipped with fraising.Hand handle both ends are coaxially installed with one section of hand handle axis, Hand handle axis is inserted with the fraising of corresponding hand handle block to be cooperated, and the hinged cooperation of hand handle and upper cover is thereby realized.It, can be with when carrying By hand handle righting, when work, can be put down hand handle to vacate more working spaces.In this patent, one is also equipped on upper lid A trigger device, the main function of trigger device are that triggering latter end slides and latter end is made to glide when test is completed to need to return It is automatically retracted under inertia.In this patent, trigger device is controlled by hand handle and is completed.When test is completed, extremely by horizontal pendulum by hand handle Vertical state, the trigger device movement of hand handle axis driving at this time, trigger device give latter end one downslide starting force, make latter end first Start recycling of gliding under the effect of beginning power.When latter end is after downslide inertia is received next time, the hand handle for lifting vertical state can be returned It returns, very simply.In this patent, the trigger device includes that the triggering hole being disposed adjacent on upper lid with wire guide is arranged in, Triggering hole is located at below the portion of hand handle shaft end.Be installed with the trigger arm radially extended on hand handle axis, trigger arm end by with hand handle Axis hinged shaft disposed in parallel is hinged with triggering curved bar, and therefore, triggering curved bar is equivalent to swing around hand handle axis, and this swings It is to drive trigger arm to complete by hand handle axis in hand handle.In this patent, triggering curved bar is through the setting of triggering hole.Trigger curved bar Both ends upwarp intermediate recessed mode and are bent setting, and triggering curved bar upper end lower end above triggering hole is being triggered below hole.Therefore, it touches When sending out curved bar and swinging, exactly trigger to do similar pulling and pushing movement under the position-limiting action in hole.In this patent, upper cover underrun limits Bar is installed with triggering pipe, and it is straight that the diameter of triggering pipe and the setting of hand handle axis axis parallel and triggering pipe is significantly larger than hand handle axis Diameter.Gag lever post is equipped with limit rod aperture, limit rod aperture and triggering curved bar lower section suit limit cooperation, to guarantee that triggering curved bar can Accurately finds the position of conducting wire latter end and trigger it.In this patent, it triggers the upper cover on the right side of pipe and has been fixedly mounted on the bottom surface with a pendulum Spring plate, swing elastic slice be bent downwardly and to the right in its natural state it is c-shape, and swing elastic slice stress when can only be leftward or rightward It swings.Because swinging, elastic slice is located on the right side of triggering pipe and the oral area of swing elastic slice is away from triggering pipe, is swinging elastic slice upper end Under the premise of fixation, it is upper and swing to the left along triggering pipe outer wall that triggering pipe will be against when swinging elastic slice lower section by power to the left.? In this patent, swings elastic slice end and be installed with conductor loop, conductor loop and wire sleeve assembly are closed.In this patent, conductor loop with lead Line is inversely inserting or suit cooperation, namely swing elastic slice winds the conducting wire entrance of support frame when nature is c-shape Be conductor loop is suitable for reading, and connect with wire clamp conducting wire enter be conductor loop lower mouth.The effect being inversely set with is conducting wire from line Conductor loop and conducting wire are matched to be combined into forward to be conducive to slide and therefore be slided when folder direction is slided to support frame direction i.e. ecto-entad It is smooth and conductor loop and conducting wire are swung to unfavorable sliding and therefore blocked with being combined into when sliding from inside to outside, therefore reverse suit facilitates Conducting wire recycling.So when needing to put outside conducting wire what if, then need manpower to assist, namely need to pull out conducting wire.? Swing to that resistance is larger, and manpower will directly swing elastic slice by conducting wire by the right with being combined into due to conductor loop and conducting wire when pulling Curved c shape switches to the u shape extended along triggering pipe outer wall.In this patent, triggering curved bar end is installed with a clip, blocks Hoop is in u shape.The main function of clip be swing elastic slice swing at when u shape state to swing elastic slice and conductor loop limited so that Swing elastic slice keep u shape state, swing elastic slice keep u shape state effect be exactly at this time conductor loop be placed exactly in wire guide lower section Position to the left, this position can guarantee the smoothness that conducting wire skids off.

In the present embodiment, locating cover upper end is installed with the guider 40 being oriented to latter end, and guider includes one Spring 41, spring lower section are up-thin-low-thick cone, and spring upper section is upper coarse and lower fine bell mouth shape.Pacify in locating cover upper end Dress guider can make conducting wire avoid sharp angle or rib when skidding off or sliding into, and have protective effect to conducting wire.In this patent In, guider mainly includes a spring, and spring also has radial swing elasticity with axial elasticity, therefore not only has Preferable protective effect, moreover it is possible to buffer biggish traction force.In this patent, spring lower section is up-thin-low-thick cone, bullet Spring upper section is upper coarse and lower fine bell mouth shape, and setting main function in this way has two, first is that both ends are coarse, is entered convenient for conducting wire, more Add smooth；Second is that middle part is elongated, elastics wing effect when can be enhanced by radial force has preferable buffering effect.

In this patent, the fixed device 11 include be fixed on the base by three foundation bars 101 it is horizontally disposed Guide ring 102 is equipped with the fast pulley 106 that can wind conducting wire in the middle part of bottom bar, and being fixedly connected on the wheel hub of fast pulley side can be around To the fixing belt 103 of other side wheel hub, the magnetic patch being attracted can be corresponded to 104 by being installed in fixing belt and other side wheel hub, be fixed With the silica gel piece 105 being fixedly installed in the middle part of inner sidewall to the elastic pressing of conducting wire progress being wrapped on fast pulley.In this patent In, fixed device mainly includes six part-structures, it may be assumed that guide ring, bottom bar, fast pulley, fixing belt, magnetic patch to and silica gel piece.Its In, guide ring is fixed on base center by three foundation bars, and guide ring is horizontally disposed to guarantee the distance phase to each support frame Deng.Fast pulley is mounted in the middle part of bottom bar, and main function is the lossless fixation realized by canoe to conducting wire.In this patent In, guide ring is not only annulus, and cross section is also round, therefore the effect of guide ring has two, first is that apart from each support Frame is equidistant, and connection is excessively more convenient；Second is that carrying out the excessive of guiding steering using the curved surface of itself circumference, more naturally With it is smooth, also play the protective effect to conducting wire.In this patent, a fixation is fixedly connected on the wheel hub of fast pulley side Band, fixing belt can be on the wheel hubs of the other side.The magnetic patch being attracted can be corresponded to by being installed on fixed end of tape and other side wheel hub It is right, play the role of for fixing belt being fixedly installed on fast pulley.It is fixedly installed with silica gel piece in the middle part of fixing belt inner sidewall, When fixing belt is locked on fast pulley, silica gel piece can carry out elasticity pressing to the conducting wire being wrapped on fast pulley to be prevented to play Wire dropping and the effect that self is fixed using conducting wire wound upon themselves.

In the present embodiment, further include the windowing facility that window is closed and opened, the windowing facility include with Cover cylinder slides up and down the regular hexagon vestlet 201 of suit cooperation, and vestlet is equipped with and window outer window 202 correspondingly；Also Including the handle being installed on the upper cover, the handle includes n shape hand handle, further includes two hand handles being installed in fraising on lid Block, hand handle both ends are coaxially installed with the hand handle axis hingedly cooperated with corresponding hand handle block；Hand handle shaft end is coaxially installed with drive shaft 203, the bearing arrangement 204 with drive shaft turns suit cooperation is installed on upper lid, drive shaft ending vertical is installed with and hand handle It is equipped at the top of actuating arm 205 in the same plane, vestlet and the vertically disposed vestlet wall of drive shaft along vestlet wall end face length Direction is slidably fitted with sliding block 207 on sliding rail, is rotatably equipped with and drives on sliding block to the sliding rail 206 extended on the left of drive shaft Axis asessory shaft 208 disposed in parallel, asessory shaft is vertical with actuating arm to be solid-located, when hand handle drives actuating arm to be rocked to the left Vestlet drops to the windowing state for keeping outer window Chong Die with window one-to-one correspondence when horizontality, when hand handle drives driving arm swing Vestlet rises to the window closing state for separating outer window with corresponding window when to vertical state.In this patent, it is also set on shell It is equipped with windowing facility, the control that windowing facility can close window and open can close window so when not used Mouth is to play the protection to conducting wire.In this patent, the windowing facility mainly includes vestlet, outer window, handle and setting Drive mechanism between handle and vestlet.Wherein, vestlet is the regular hexagon pipe that suit cooperation is slided up and down with cover cylinder, up and down Perforation setting.Vestlet is equipped with and window outer window correspondingly.Obviously, when outer window and window are aligned, window is beaten It opens, when outer window and window separation, window is closed because of being covered by vestlet.The handle mainly includes one and is converted into n shape Hand handle further includes two hand handle blocks being installed on lid, is provided with fraising on hand handle block.Hand handle both ends are coaxially installed with hand handle Axis, hand handle axis and fraising inserting cooperation, to realize that handle end hingedly cooperates with corresponding hand handle block.Hand handle shaft end is installed with Drive shaft, drive shaft and hand handle axis are coaxially disposed.Bearing arrangement is installed, bearing arrangement and drive shaft turns set assemble on upper lid It closes, can guarantee the rotation smoothness of drive shaft in this way.Drive shaft ending vertical is installed with an actuating arm, actuating arm and hand handle In the same plane.That is, when hand handle actuating arm when in a horizontal state also swings to horizontality, when hand handle is in perpendicular Actuating arm also swings to vertical state when straight state, thereby realizes control of the hand handle to actuating arm.In this patent, with drive Sliding rail is equipped at the top of the vestlet wall of the vertically disposed vestlet of moving axis, sliding rail prolongs along vestlet wall end face length direction to drive shaft left side Stretch setting.Sliding block is slidably fitted on sliding rail, sliding block can be free to slide along sliding rail or so.It is rotatably equipped with and drives on sliding block Axis asessory shaft disposed in parallel, asessory shaft is vertical with actuating arm to be solid-located, such hand handle just pass through hand handle axis, drive shaft, Actuating arm and sliding block realize transmission matching relationship with vestlet.When needing to test, manipulator is to the left swung drive actuating arm, Sliding block slides under actuating arm driving effect along sliding rail to the left at this time, while vestlet is made in actuating arm driving effect and self gravity It is moved down under.When hand handle is rocked to horizontality, sliding block slides into left end, vestlet drop to cover cylinder flush position, Outer window overlaps with window one-to-one correspondence at this time, this state is known as windowing state or working condition.When test job knot When beam needs to return, driving hand handle is swung up, and sliding block, which starts to drill sliding rail, to move to right, while vestlet being driven to rise, outer window and window Mouth starts to misplace.When hand handle swings to vertical state, sliding block is swung to right above actuating arm, and outer window and window start point From namely window start to be completely covered by vestlet and close, this state is known as window closing state or idle state.After close, The hand handle for lifting vertical state can carry this patent and leave, very convenient.Likewise, preparing to survey to scene when carrying this patent When examination, only need to by hand handle by carrying when vertical state swing to horizontality, window can be opened quickly, very convenient.? In this patent, open window and close window and hand handle swing it is completely the same, and the swing of hand handle again with work or do not work It is corresponding, therefore this patent realizes one-touch automatic trigger by hand handle and operates, it is simple and convenient, greatly improve work effect Rate.

In this patent, sliding rail right end is also connected with one section of shorter positioning slide 209 being slidably matched with sliding block.In cunning After one section of positioning slide being slidably matched with sliding block is arranged in rail right end, because positioning slide is shorter, main function is in sliding block After reaching at the top of actuating arm sliding block continuation can slided to the right a bit of, that is, actuating arm is made to have a small inclination angle Degree can be stuck on positioning slide under vestlet gravity in user's rear slider of loosing one's grip in this way, also be ensured that even if not having External force, vestlet will not slide, and ensure that the protection reliability to window.

In the present embodiment, idler wheel 301 is installed on pedestal, be installed on upper lid two extend straight up can make line The auxiliary rod 302 of clamping, auxiliary rod top, which is equipped with, can detain the conical overhead guard 303 of cover upper cover, on overhead guard it is fixed there are two with Auxiliary rod corresponds the overhead guard cylinder 304 of inserting cooperation.In this patent, it after idler wheel being installed on pedestal, can be convenient existing The mobile this patent in field, it is very convenient.In this patent, two auxiliary rods extended straight up, auxiliary rod are installed on upper lid Effect first is that provide a holding carrier for wire clamp, avoid wire clamp from shaking in this patent moving process, ensure that each portion The operational reliability of part.This patent further includes the conical overhead guard that can detain cover upper cover, dustproof and rainproof when guaranteeing idle Function.Fixed on overhead guard there are two the overhead guard cylinders that inserting cooperation is corresponded with auxiliary rod, therefore the two of the effect of auxiliary rod are just It is to insert to cooperate with overhead guard, provides installation carrier for overhead guard, improve property easy for installation.

In the present embodiment, the conductor loop is oval, oblong length direction and the length direction one for swinging elastic slice It causes.Conductor loop is arranged it is oval, and oblong length direction with swing the length direction of elastic slice it is consistent, expand conducting wire Activity space, and have the guiding role for making conducting wire to centre aggregation, more facilitate the smooth sliding of conducting wire.

In this patent, the triggering pipe outside diameter is identical as c shape swing elastic slice outer diameter.Will triggering pipe outside diameter be arranged and c Shape swing elastic slice outer diameter is identical, and when can make to swing elastic slice swing into u shape, conducting wire ring position is placed exactly in the left below wire guide Position, facilitate the smooth sliding of conducting wire.

Claims

1. a kind of multi gear position automatic-switching type electric signal tester, it is characterized in that: including shell (0), shell (0) includes positive six side Shape tabular pedestal (1), it is fixed there are six spaced support frame (2) annular in shape on pedestal (1), it is same between support frame (2) To the conducting wire (3) for being wound with two circles or the two above outsourcing insulations of circle, conducting wire (3) both ends have been electrically connected wire clamp (4), shell It (0) further include cover cylinder (7) that the downward fixing buckle of oral area covers on pedestal (1), cover cylinder (7) includes that upper and lower correspondence is fixed together Upper cover (8) and bobbin (9), bobbin are equipped with the group of windows with the one-to-one extension up and down of support frame (2), and group of windows includes extremely A few window (10), pedestal (1) middle part are equipped with the fixation device (11) for tensing conducting wire (3), and upper cover (8), which is equipped with, to be made to lead The wire guide (13) that the latter end (12) of line (3) extends out；It further include the handle (20) being mounted on upper cover (8), the handle (20) include n shape hand handle (21), further include two hand handle blocks (22) being installed in fraising (23) on upper cover (8), hand handle (21) Both ends are coaxially installed with the hand handle axis (24) hingedly cooperated with corresponding hand handle block (22)；Upper cover is also equipped on (8) by handle (20) control triggering latter end (12) enter cover cylinder (7) trigger device, the trigger device include be arranged on upper cover (8) with The triggering hole (31) that wire guide (13) is disposed adjacent and is located at below hand handle axis (24) end, hand handle axis are installed with radial direction on (24) The trigger arm (32) of extension, trigger arm (32) end is by being hinged with triggering curved bar with hand handle axis (24) hinged shaft disposed in parallel (33), triggering curved bar (33) is through triggering hole (31) and both ends upwarp intermediate recessed mode and are bent setting, upper cover (8) underrun Gag lever post (34) is installed with the triggering pipe (35) with the setting of hand handle axis (24) axis parallel, and gag lever post (34) is equipped with and triggering The limit rod aperture (36) of curved bar (33) suit limit cooperation, upper cover (8) bottom surface is fixedly provided with to be bent downwardly and to the right under natural conditions The swing elastic slice (37) that can only be swung when c-shape and stress, the oral area for swinging elastic slice (37) are arranged away from triggering pipe (35), The conductor loop (38) that elastic slice (37) end is installed with suit conducting wire (3) is swung, elastic slice (37) is swung and is led when nature is c-shape Line (3) enters conductor loop (38) end suitable for reading and enters mouth under conductor loop (38), and latter end (12) is drawn when pulling out latter end (12) It swings elastic slice (37) and inversely swings into u shape to the left along triggering pipe (35) outer wall, triggering curved bar (33) end, which is installed with, is swinging bullet Piece (37) swing at when u shape state to swinging elastic slice (37) and conductor loop (38) is limited so that the smooth u skidded off of conducting wire (3) Shape clip (39).

2. automatic-switching type electric signal tester in multi gear position as described in claim 1, it is characterized in that: the conductor loop (38) is in Ellipse, oblong length direction are consistent with the length direction of elastic slice (37) is swung.

3. automatic-switching type electric signal tester in multi gear position as claimed in claim 2, it is characterized in that: triggering pipe (35) is outside Diameter is identical as c shape swing elastic slice (37) outer diameter.