CN206194507U - Testing tool comprises a skeleto, - Google Patents
Testing tool comprises a skeleto, Download PDFInfo
- Publication number
- CN206194507U CN206194507U CN201621162502.5U CN201621162502U CN206194507U CN 206194507 U CN206194507 U CN 206194507U CN 201621162502 U CN201621162502 U CN 201621162502U CN 206194507 U CN206194507 U CN 206194507U
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- transformer
- shell
- output
- winding
- hand lamp
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Abstract
The utility model discloses a testing tool comprises a skeleto, , including the shell, winding and transformer core, the winding is fixed in on the transformer core around establishing, the transformer core installation is arranged in the shell, be equipped with input wiring unit and output wiring unit on the shell respectively, input wiring unit includes three terminal box, output wiring unit includes four terminal boxes, the input voltage winding of winding is equipped with the 380V input, 220V input and public input, which comprises an outer shell, the output voltage winding is equipped with the 12V output, the 36V output, 72V output and common output end, each is continuous with output wiring unit's a terminal box for each output of output voltage winding. The utility model has the advantages of exportable safe voltage and carry out the little current test of small -size excitation system of hydrogenerator and carry out the drying to the generator rotor winding, the wiring firm reliable, the transport is convenient, the security is high, the range of application is wide.
Description
Technical field
The utility model is related to the safety that electrical equipment and plant equipment, pressure vessel internal overhaul and testing ground are used
Mains lighting supply and experiment power supply, and in particular to a kind of multipurpose transformer for hand lamp.
Background technology
Inside every profession and trade electrical equipment and plant equipment, pressure vessel, internal overhaul and the experiment such as band large-scale metal preserving jar
Live temporary lighting, during the A/B/C grades of maintenance of small hydro turbine group, generator wind-tunnel, turbine chamber, spiral case maintenance
Scene needs interim emergency lighting facility.It is general that the reduction of 380V or 220V50Hz alternating voltages is arrived by exchange using transformer for hand lamp
Used for portable lighter after 12V/24V/36V.Existing transformer for hand lamp input and output voltage（12V/24V/36V）It is defeated using binding post
Enter, export, while multiple portable lighters are connected to the same output voltage binding post of transformer for hand lamp during onsite application, due to same binding post
On the wire that is connect it is excessive, cause unreliable contact, heating, even burn.Binding post repeatedly to be tightened and cause binding post with unscrewing
Loosen（Binding post is arranged on transformer for hand lamp metal shell）, the input of transformer for hand lamp winding, output voltage wire and connect
Terminal disengaging is repaired, it is necessary to open transformer for hand lamp, more time-consuming.Binding post is arranged on outside transformer for hand lamp metal
On shell and protrusion transformer for hand lamp shell, collided with miscellaneous equipment, instrument etc. moving, when transporting, piling up and be easily caused wiring
Post is damaged.
Current most of small hydro turbines are assembled to be put from shunt excitation silicon-controlled static rectification excitation system, its exciting power
The specified input phase voltage of cabinet is less than 220V50Hz, while small hydro turbine group is configured without electric braking equipment can not use
Electric braking transformer will be input to generator excited system after the reduction of 220V50Hz voltages, therefore, small hydro turbine is in inspection
Repair finishing phase excitation system do low current test when, it is impossible to directly by 220V50Hz control sources to excitation system power cabinet,
Need that the power cabinet of excitation system will be supplied to do excitation system low current after the reduction of 220V50Hz voltages with three-phase regulator
Experiment.But three-phase regulator volume is big, heavy, carry inconvenient.A/B grades of maintenance duration of small hydro turbine group is more long, hair
Rotor winding easily makes moist, maintenance finish detection generator amature winding insulation it is unqualified, it is necessary to generator amature around
The logical DC current of group is dried.Overhaul site does not have D.C. high-current power supply, it is impossible to big to the logical direct current of generator amature winding
Electric current, it is impossible to which rotor windings are dried（Small hydropower station will not buy large-scale drying equipment due to the limitation invested）.
Utility model content
The technical problems to be solved in the utility model：For the above mentioned problem of prior art, there is provided a kind of exportable safety
Voltage and carry out small hydro turbine excitation system low current experiment and generator amature winding is dried, wiring
Solid and reliable, convenient in carrying, the safe, transformer for hand lamp that has a wide range of application.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
Transformer core is fixed in a kind of transformer for hand lamp, including shell, winding and transformer core, the winding winding
On, the transformer core mounting arrangements are in shell, being respectively equipped with input wires unit and output connection list on the shell
Unit, the input wires unit includes three terminal boxes, and the output connection unit includes four terminal boxes, and the winding includes
Input voltage winding and output voltage winding, the input voltage winding are provided with 380V inputs, 220V inputs and public defeated
Enter end, the 380V inputs, 220V inputs, public input are respectively connected with a terminal box of input wires unit, institute
State output voltage winding and be provided with 12V output ends, 36V output ends, 72V output ends and public output, the 12V output ends, 36V
Output end, 72V output ends, public output are respectively connected with a terminal box of output connection unit.
Preferably, the terminal box includes insulation box body, removable cover, line bank and coupling assembly, the insulation box body
Front side band opening, the upper end of the removable cover passes through connecting shaft hinge arrangement in the upper end of insulation box opening, the wiring
In insulation booth body, be fixedly connected for line bank, insulation box body, shell by the coupling assembly for row.
Preferably, the lower end of the removable cover is provided with buckle, and the open lower end of the insulation box body is provided with draw-in groove, described
The setting of buckle card is located in draw-in groove when removable cover is closed.
Preferably, the line bank is made of copper, and connecting hole is provided with the upside of the line bank, under the line bank
End is provided with multiple plug wire holes, and the line bank line pressing bolt that threaded connection is provided with positioned at the upper end of each plug wire hole,
The end of the line pressing bolt plugs and is arranged in plug wire hole.
Preferably, the coupling assembly includes connecting bolt, insulation sleeve and nut, and the insulation sleeve is embedded and is arranged in shell
On, the end of thread of the connecting bolt is sequentially passed through after the connecting hole of line bank, insulation sleeve and the input of nut and winding is drawn
Line or output lead are connected, and the lower end of the insulation box body is provided with installing plate, and the installing plate is mounted on outer by screw
On shell.
Preferably, the shell includes the base, metal framework and the metal shell that are connected with each other, the base, metal frame
Frame is welded to each other fixation, and the metal shell is arranged in surrounding and the top of metal framework, the transformer core mounting arrangements
In on base, the lateral of the shell is provided with two recess, the terminal box of the input wires unit be installed in one it is recessed
In portion, the terminal box of the output connection unit is installed in another recess.Therefore moving, transport, pile up this portable lighter
During transformer, it is to avoid terminal box is collided and damaged with other objects.
Preferably, the metal shell is made up of top shell, main casing, the first metal base plate and the second metal base plate, the top
Shell is arranged in the top of metal framework, and the main casing, the first metal base plate and the second metal base plate are arranged in metal framework
Sidepiece, and first metal base plate and the second metal base plate place plane with respect to main casing indent, the input wires unit
Terminal box be installed on the first metal base plate, the terminal box of the output connection unit is installed in the second metal base plate respectively
On.
Preferably, power supply indicator and grounding screw are additionally provided with second metal base plate.
Preferably, the main casing is provided with louver-type ventilation hole.
Preferably, be provided with the top of the metal framework horizontally outward side stretch out arrangement protrusion Handheld Division be easy to carry
Transformer for hand lamp tool of the present utility model has the advantage that：
1st, input wires unit and output connection unit are respectively equipped with the shell of transformer for hand lamp of the present utility model, it is defeated
Enter wiring units including three terminal boxes, output connection unit includes four terminal boxes, winding includes input voltage winding and defeated
Go out voltage winding, input voltage winding is provided with 380V inputs, 220V inputs and public input, 380V inputs, 220V
Input, public input are respectively connected with a terminal box of input wires unit, output voltage winding be provided with 12V output ends,
36V output ends, 72V output ends and public output, 12V output ends, 36V output ends, 72V output ends, public output respectively with
One terminal box of output connection unit is connected, by above-mentioned input wires unit and the junction box structure of output connection unit,
Exportable safe voltage and carry out small hydro turbine excitation system low current experiment and generator amature winding is carried out
Dry, have the advantages that wiring is solid and reliable, terminal box is hardly damaged, convenient in carrying, it is safe, have a wide range of application.
2nd, transformer for hand lamp of the present utility model is provided with 72V voltage output terminal boxes, can be used for small hydropower station generator and encourages
Magnetic system low current is tested or generator amature winding is dried.Small hydropower station is without purchasing three-phase regulator, external maintenance troop
Without carrying, heavy three-phase regulator can be carried out the experiment of generator excited system low current or generator amature winding is dry
It is dry.
3rd, transformer for hand lamp small volume of the present utility model, it is lightweight, be easy to carry, both can serve as every profession and trade maintenance existing
The power-supply device of the interim emergency lighting in field, it is also possible to which the power supply for the experiment of small hydropower station generator excited system low current sets
Standby, one-object-many-purposes save investment.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the left view structural representation of the utility model embodiment.
Fig. 3 is the right side structural representation of the utility model embodiment.
Fig. 4 is for after the utility model embodiment（Before）Depending on structural representation.
Fig. 5 is the electrical wiring principle schematic of the utility model embodiment.
Fig. 6 pulls down the structural representation after removable cover for the terminal box of the utility model embodiment.
Fig. 7 is the cross section structure diagram of the terminal box of the utility model embodiment.
Fig. 8 is the section view decomposition texture schematic diagram of the line bank of the utility model embodiment.
Fig. 9 is the electrical wiring principle schematic that the utility model embodiment connects 12V portable lighters.
Figure 10 is the electrical wiring principle schematic that the utility model embodiment connects 36V portable lighters.
Figure 11 is that three transformer for hand lamps of the utility model embodiment are carried out into generator excited system low current experiment
And rotor windings dry wiring schematic diagram.
Marginal data：1st, shell；11st, base；12nd, metal framework；13rd, metal shell；131st, top shell；132nd, main casing；
133rd, the first metal base plate；134th, the second metal base plate；135th, power supply indicator；136th, grounding screw；137th, venetian blind type leads to
Air holes；14th, recess；15th, Handheld Division is protruded；2nd, winding；3rd, transformer core；4th, input wires unit；5th, output connection list
Unit；6th, terminal box；61st, insulate box body；611st, draw-in groove；612nd, installing plate；62nd, removable cover；621st, buckle；63rd, line bank；
631st, connecting hole；632nd, plug wire hole；633rd, line pressing bolt；64th, coupling assembly；641st, connecting bolt；642nd, insulation sleeve；643rd, spiral shell
It is female.
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the transformer for hand lamp of the present embodiment includes shell 1, winding 2 and transformation
Device iron core 3, the winding of winding 2 is fixed on transformer core 3, and the mounting arrangements of transformer core 3 are distinguished in shell 1 on shell 1
Input wires unit 4 and output connection unit 5 are provided with, input wires unit 4 includes three terminal boxes 6, and output connection unit 5 is wrapped
Four terminal boxes 6 are included, winding 2 includes input voltage winding（Armature winding）With output voltage winding（Secondary windings）, input electricity
Pressure winding is provided with 380V inputs（6#in1）, 220V inputs（6#in2）With public input（6#in3）, 380V inputs
（6#in1）, 220V inputs（6#in2）, public input（6#in3）Respectively with a phase of terminal box 6 of input wires unit 4
Even, output voltage winding is provided with 12V output ends（6#out3）, 36V output ends（6#out2）, 72V output ends（6#out1）And public affairs
Common output end（6#out4；Represented with 0V in Fig. 3）, 12V output ends, 36V output ends, 72V output ends, public output respectively with it is defeated
A terminal box 6 for going out wiring units 5 is connected.The transformer for hand lamp input voltage of the present embodiment be 380V50Hz or
220V50Hz, output voltage is 12V/36V/72V50Hz, and transformer capacity is 2kVA (can also be 0.5kVA, 1kVA etc.),
Maintenance inside every profession and trade electrical equipment, plant equipment, pressure vessel, in small hydropower station hydrogenerator Overhaul site canister
Operation uses 12V safe voltages, and 36V safe voltages are used in other places, and 72V voltages can be used for small hydropower station generator and encourage
Input voltage when magnetic system low current is tested, has the advantages that wiring reliability, convenient in carrying, purposes are wide, can be used for every profession and trade
Generator excited system is small after maintenance of electrical equipment safeguards scene interim emergency lighting, small hydropower station Overhauling for Hydraulic Generator Set
The fields such as current testing, the drying of generator amature winding.
In the present embodiment, the appearance and size of shell 1：325mm（It is wide）×300mm（It is deep）×300mm（It is high）, outer surface spray orange peel
Paint, color be may be selected, and the transformer for hand lamp of the present embodiment can not be used in moist, many dusts, the environment of salt fog.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, shell 1 includes the base 11, the metal framework 12 that are connected with each other（12#1 and 12#
2）With metal shell 13, base 11, metal framework 12 be welded to each other fixation, and metal shell 13 is arranged in the surrounding of metal framework 12
And top, on base 11, the lateral of shell 1 is provided with two recess 14, input wires unit to the mounting arrangements of transformer core 3
4 terminal box 6 is installed in a recess 14, and the terminal box 6 of output connection unit 5 is installed in another recess 14.
Recess 14 damages the terminal box 6 of input and output voltage, recess in the present embodiment when being prevented from carrying, piling up transformer
14 depth is 5cm, and metal framework 12 is welding structure, and base 11 is welded on the bottom of metal framework 12, and transformer core 3 is installed
On the pedestal 11.Referring to Fig. 1, metal framework 12 has the framework 12#1 on top and the framework 12#2 of bottom to be welded into the present embodiment
It is integrally formed, the material of the framework 12#1 on top and the framework 12#2 of bottom has identical thickness and material.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, metal shell 13 is by top shell 131, main casing 132, the and of the first metal base plate 133
Second metal base plate 134 is constituted, and top shell 131 is arranged in the top of metal framework 12, main casing 132, the first metal base plate 133 and
Two metal base plates 134 are arranged in the sidepiece of metal framework 12, and the first metal base plate 133 and the second metal base plate 134 institute
In plane with respect to the indent of main casing 132, the terminal box 6 of input wires unit 4 is installed on the first metal base plate 133, output connection
The terminal box 6 of unit 5 is installed on the second metal base plate 134 respectively.In the present embodiment, 6 points of the terminal box of input wires unit 4
It is not installed on the first metal base plate 133 with screw, the terminal box 6 of output connection unit 5 is installed in the second gold medal with screw respectively
On category base plate 134, the first metal base plate 133 and the second metal base plate 134 are a part for metal shell 13, the first metal base plate
The 133 and plane 5cm of the plane less than the place of metal shell 13 at the place of the second metal base plate 134, to prevent from carrying during transformer
Damage input and output voltage terminal box.First metal base plate 133 and the second metal base plate 134 for a part for shell have with
Metal shell 13 has identical thickness and material, and metal shell 13 is then screwed on metal framework 12.Top shell 131,
Main casing 132 has identical thickness and material, the 345mm (length) of top shell 131 × 320mm（It is wide）Metallic plate flanging after use screw
It is fixed on metal framework 12, flanging width is 1cm, top shell 131 is full-closed structure to prevent water point and dust entrance, top shell
131 upper outer surfaces can install nameplate.
As shown in figure 3, power supply indicator 135 and grounding screw 136 are additionally provided with the second metal base plate 134, hence in so that
Power supply indicator 135 and grounding screw 136 also are disposed on the recess 14 at the place of the second metal base plate 134, are prevented from carrying
Power supply indicator 135 and grounding screw 136 are damaged during transformer.Grounding screw 136 easily can be connected real with earthed system
Existing shell 1 is grounded, the safety of safeguard work personnel, and transformer for hand lamp is provided with grounding screw 136, by transformer core grounding line,
Winding is public is terminated on grounding screw 136 for transformer case and output, staff's conjunction during transformer for hand lamp onsite application
The end of ground wire one of lattice is connected on grounding screw 136, and ground wire is another to be terminated at earthed system.
As shown in figure 4, main casing 132 is provided with louver-type ventilation hole 137, it is specifically in transformer for hand lamp in the present embodiment
Two sides in front side and rear side be provided with louver-type ventilation hole 137, it is ensured that the heat dispersion of transformer for hand lamp.
As shown in figure 5, the top of metal framework 12 is provided with the protrusion Handheld Division 15 that arrangement is stretched out in horizontally outward side, hand is protruded
Hold portion 15 and can be used as carrying handle, be easy to carry the transformer for hand lamp of the present embodiment.
As shown in Figure 6 and Figure 7, terminal box 6 includes insulation box body 61, removable cover 62, line bank 63 and coupling assembly 64,
The front side of box body 61 insulate with opening, the upper end of removable cover 62 passes through connecting shaft hinge arrangement in the upper of insulation box body 61 opening
End, in insulation box body 61, be fixedly connected for line bank 63, insulation box body 61, shell 1 by coupling assembly 64 for line bank 63.This
In embodiment, insulation box body 61 is made of high intensity ABS engineering plastics, and line bank 63 is made of copper or stainless steel, insulation
Box body 61 carries mobilizable removable cover 62, and removable cover 62 is opened during portable lighter wiring, and wiring finishes the removable cover 62 that closes,
Ensure that line bank 63 does not expose, it is ensured that the safety of staff.
As shown in Figure 6 and Figure 7, the lower end of removable cover 62 is provided with buckle 621, and the open lower end of the box body 61 that insulate is provided with card
Groove 611, the setting of the card of buckle 621 is located in draw-in groove 611 when removable cover 62 is closed, and buckle 621 is spherical salient point in the present embodiment,
Draw-in groove 611 is bulbous recess, and buckle 621, draw-in groove 611 cooperate when removable cover 62 is closed, so as to position more firmly may be used
Lean on；When opening, removable cover 62 is enforced, you can overcome the resistance between buckle 621, draw-in groove 611, by removable cover 62
Opening exposes the line bank 63 inside insulation box body 61.
In the present embodiment, line bank 63 is made of copper or stainless steel, and as shown in Figure 7 and Figure 8, the upside of line bank 63 sets
The lower end for having connecting hole 631, line bank 63 is provided with multiple plug wire holes 632, and line bank 63 positioned at each plug wire hole 632
Upper end is provided with the line pressing bolt 633 of threaded connection, and the end of line pressing bolt 633 plugs and is arranged in plug wire hole 632, it is necessary to wiring
When the cable core of the leader cable of portable lighter is inserted into plug wire hole 632, tighten line pressing bolt 633 with screwdriver and compress cable core,
Ensure that contact is reliable.Terminal box 6 can simultaneously connect one and return back out line back into line, nine in the present embodiment, and the lower end of line bank 63 is provided with nine
Individual plug wire hole 632 is vertical with wiring hole to be provided with 9 screw holes（Diameter of phi 6mm）And line pressing bolt 633, line pressing bolt 633 are installed
Crisscross screw is specifically used, a terminal box can connect most 9 portable lighters, overcome traditional transformer for hand lamp output
Voltage is connected insecure shortcoming using a binding post with multiple portable lighters.
As shown in Figure 7 and Figure 8, coupling assembly 64 includes connecting bolt 641, insulation sleeve 642 and nut 643, insulation sleeve 642
It is embedded and is arranged on shell 1, after the end of thread of connecting bolt 641 sequentially passes through the connecting hole 631 of line bank 63, insulation sleeve 642
Input lead or output lead with nut 643 and winding 2 are connected, and the lower end of the box body 61 that insulate is provided with installing plate 612, installs
Plate 612 is mounted on shell 1 by screw.In the present embodiment, connecting bolt 641 uses M8 × 30 crisscross screw, uses
In connection Transformer Winding lead and line bank 63, insulation sleeve 642 is used to keep line bank 63 exhausted with the shell 1 that metal is made
Edge；Nut 643 uses M8 nuts, and nut 643 is for link box in transformer for hand lamp metal shell；Installing plate 612 leads to
M5 × 8 type screw is crossed to be mounted on shell 1.The present embodiment is used for by the bolt on connecting bolt 641 and installing plate 612
In on metal shell 1, such fixed form avoids traditional transformer for hand lamp binding post and repeatedly tightens and twist link box 6
Pine causes binding post to loosen（Binding post is arranged on transformer for hand lamp metal shell）, transformer for hand lamp winding output voltage
Line and binding post come off, needs to open transformer for hand lamp is repaired, more time-consuming shortcoming, with solid and reliable excellent
Point.
Understood with reference to the aforementioned structure of the transformer for hand lamp of the present embodiment, when excitation system low current is tested, with 3
The transformer for hand lamp of the present embodiment of platform same model is connected to illumination 380V (220V) system, just can export three-phase 72V voltages
（Phase voltage）Give excitation system power cabinet.380V (220V) voltage is reduced to 72V so that excitation system is used, to be encouraged
Magnetic system low current is tested.When generator amature winding is dried, with 3 portable lighter transformations of the present embodiment of same model
Device is connected to illumination 380V (220V) system, just can export three-phase 72V voltages（Phase voltage）Give excitation system power cabinet.By 380V
(220V) voltage is reduced to 72V so that excitation system is used.Per phase transformer for hand lamp output current=2000VA/72V=27.7A,
The output current of three identical portable lighter changes can obtain 27.7A × 3 × 0.85=70A DC currents after excitation system rectification, and this is straight
Stream electric current can be passed through generator amature winding more than 12 hours, and generator amature winding loop can be dried, and reach satisfaction
Effect.
Hereinafter part typical case's application of the transformer for hand lamp of the present embodiment：
（I）, the present embodiment transformer for hand lamp connect the circuit of 12V portable lighters as shown in figure 9, each portable lighter（Portable lighter 1, portable lighter
2、……）Wire one end metallic conductor insert the present embodiment transformer for hand lamp 12V output ends 6#out3（12V is defeated
Go out）The plug wire hole 632 of corresponding terminal box 6 simultaneously tightens line pressing bolt 633 with screwdriver；The other end of the wire of each portable lighter
Metallic conductor inserts the public output 6#out4 of the transformer for hand lamp of the present embodiment（0V）The plug wire hole of corresponding terminal box 6
632 and tighten line pressing bolt 633 with screwdriver.Go out to connect because the voltage output end of the transformer for hand lamp of the present embodiment enters 9 using 1
Line box, therefore can at most connect 9 safe portable lighters of 100W/12V.By the 220V input voltage terminal boxes of the transformer for hand lamp of the present embodiment
Civil power 220V live wires (L) is accessed, transformer for hand lamp input voltage common port terminal box is accessed into civil power 220V zero lines（N）, close
220V power switches, the then transformer for hand lamp start-up operation of the present embodiment, each portable lighter is lit.
（II）, the present embodiment transformer for hand lamp connect 36V portable lighters circuit as shown in Figure 10, each portable lighter（Portable lighter 1, OK
Lamp 2 ...）Wire one end metallic conductor insert the present embodiment transformer for hand lamp 36V output ends 6#out2（36V
Output）The plug wire hole 632 of corresponding terminal box 6 simultaneously tightens line pressing bolt 633 with screwdriver；The other end of the wire of each portable lighter
Metallic conductor insert the present embodiment transformer for hand lamp public output 6#out4（0V）The plug wire hole of corresponding terminal box 6
632 and tighten line pressing bolt 633 with screwdriver.Go out to connect because the voltage output end of the transformer for hand lamp of the present embodiment enters 9 using 1
Line box, therefore can at most connect 9 safe portable lighters of 100W/36V.By the 220V input voltage terminal boxes of the transformer for hand lamp of the present embodiment
Civil power 220V live wires (L) is accessed, transformer for hand lamp input voltage common port terminal box is accessed into civil power 220V zero lines（N）, close
220V power switches, the then transformer for hand lamp start-up operation of the present embodiment, each portable lighter is lit.
（III）, three the present embodiment transformer for hand lamp be used for small generator excitation system low current experiment such as Figure 11
Shown, the transformer for hand lamp of three the present embodiment is respectively A/B/C phases, is exported the 72V of transformer for hand lamp with wire or cable
Line bank 63 and generator excited system power cabinet in the corresponding terminal boxes 6 of end 6#out1（Rectifier cabinet）The busbar of A/B/C phases
Connection, and with screwdriver tightened the wire connecting screw at terminal box 6 and exciting power cabinet respectively.By 3 the present embodiment
The 380V inputs of transformer for hand lamp（6#in1）Corresponding terminal box 6 accesses the A/B/C phases of civil power 380V.Close 380V power supplys
Switch, gives exciting power cabinet input power, and field regulator is put into manual regulative mode, to the power supply of upper field regulator, closes
Upper eliminating magnetism of generator switch, slow regulation regulation exciting current, exciting current is observed with oscillograph manually.Per phase exciting current not
It is advisable more than 20A.Rotor windings exciting current is advisable no more than 60A.
（IV）, three the present embodiment transformer for hand lamp dried for small generator rotor winding, this is operated in generating
Machine slip ring is carried out before installing.Generator amature winding leads are connected with excitation cable.As shown in figure 11,3 sheets
The transformer for hand lamp of embodiment is respectively A/B/C phases, with wire or cable by the 72V output ends 6#out1 of transformer for hand lamp（72V
Output）Line bank 63 and generator excited system power cabinet in corresponding terminal box 6（Rectifier cabinet）The busbar of A/B/C phases connects
Connect, and with screwdriver tightened the wire connecting screw at terminal box 6 and exciting power cabinet respectively.By 3 rows of the present embodiment
The 380V inputs of lamp transformer（6#in1）Corresponding terminal box 6 accesses the A/B/C phases of civil power 380V.The 380V power supplys that close are opened
Close, give exciting power cabinet input power, field regulator is put into manual regulative mode, to the power supply of upper field regulator, close
Eliminating magnetism of generator is switched, manually slow regulation regulation exciting current, the excitation electricity that the excitation ammeter on observation power cabinet is indicated
Stream.Rotor windings exciting current is advisable no more than 75A.It is continuous to be powered 12 hours.Generator amature winding insulate after drying and checks
It is qualified.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of transformer for hand lamp, it is characterised in that：Including shell（1）, winding（2）And transformer core（3）, the winding
（2）Transformer core is fixed in winding（3）On, the transformer core（3）Mounting arrangements are in shell（1）It is interior, the shell（1）
On be respectively equipped with input wires unit（4）With output connection unit（5）, the input wires unit（4）Including three terminal boxes
（6）, the output connection unit（5）Including four terminal boxes（6）, the winding（2）Including input voltage winding and output electricity
Pressure winding, the input voltage winding is provided with 380V inputs, 220V inputs and public input, the 380V inputs,
220V inputs, public input respectively with input wires unit（4）A terminal box（6）It is connected, the output voltage winding
It is provided with 12V output ends, 36V output ends, 72V output ends and public output, the 12V output ends, 36V output ends, 72V outputs
End, public output respectively with output connection unit（5）A terminal box（6）It is connected.
2. transformer for hand lamp according to claim 1, it is characterised in that：The terminal box（6）Including insulation box body（61）、
Removable cover（62）, line bank（63）And coupling assembly（64）, the insulation box body（61）Front side band opening, the removable cover
（62）Upper end by connecting shaft hinge arrangement in insulation box body（61）The upper end of opening, the line bank（63）Located at insulation booth
Body（61）It is interior, the coupling assembly（64）By line bank（63）, insulation box body（61）, shell（1）It is fixedly connected.
3. transformer for hand lamp according to claim 2, it is characterised in that：The removable cover（62）Lower end be provided with buckle
（621）, the insulation box body（61）Open lower end be provided with draw-in groove（611）, the removable cover（62）Buckle during closing（621）
Card setting is located at draw-in groove（611）In.
4. transformer for hand lamp according to claim 2, it is characterised in that：The line bank（63）It is made of copper, it is described
Line bank（63）Upside be provided with connecting hole（631）, the line bank（63）Lower end be provided with multiple plug wire holes（632）, and institute
State line bank（63）It is upper to be located at each plug wire hole（632）Upper end be provided with the line pressing bolt of threaded connection（633）, the line ball
Screw（633）End plug and be arranged in plug wire hole（632）In.
5. transformer for hand lamp according to claim 2, it is characterised in that：The coupling assembly（64）Including connecting bolt
（641）, insulation sleeve（642）And nut（643）, the insulation sleeve（642）It is embedded and is arranged in shell（1）On, the connecting bolt
（641）The end of thread sequentially pass through line bank（63）Connecting hole（631）, insulation sleeve（642）Afterwards and nut（643）And winding
（2）Input lead or output lead be connected, the insulation box body（61）Lower end be provided with installing plate（612）, the installing plate
（612）Shell is mounted on by screw（1）On.
6. the transformer for hand lamp according to any one in Claims 1 to 5, it is characterised in that：The shell（1）Including phase
The base for connecting（11）, metal framework（12）And metal shell（13）, the base（11）, metal framework（12）It is welded to each other
It is fixed, the metal shell（13）It is arranged in metal framework（12）Surrounding and top, the transformer core（3）Mounting arrangements
In base（11）On, the shell（1）Lateral be provided with two recess（14）, the input wires unit（4）Terminal box
（6）It is installed in a recess（14）In, the output connection unit（5）Terminal box（6）It is installed in another recess
（14）In.
7. transformer for hand lamp according to claim 6, it is characterised in that：The metal shell（13）By top shell（131）, it is main
Shell（132）, the first metal base plate（133）With the second metal base plate（134）Composition, the top shell（131）It is arranged in metal framework
（12）Top, the main casing（132）, the first metal base plate（133）With the second metal base plate（134）It is arranged in metal framework
（12）Sidepiece, and first metal base plate（133）With the second metal base plate（134）Place plane with respect to main casing（132）
Indent, the input wires unit（4）Terminal box（6）It is installed in the first metal base plate（133）On, the output connection unit
（5）Terminal box（6）The second metal base plate is installed in respectively（134）On.
8. transformer for hand lamp according to claim 7, it is characterised in that：Second metal base plate（134）On be additionally provided with
Power supply indicator（135）And grounding screw（136）.
9. transformer for hand lamp according to claim 7, it is characterised in that：The main casing（132）Venetian blind type is provided with to lead to
Air holes（137）.
10. transformer for hand lamp according to claim 6, it is characterised in that：The metal framework（12）Top be provided with water
The flat protrusion Handheld Division for stretching out arrangement laterally（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162502.5U CN206194507U (en) | 2016-10-25 | 2016-10-25 | Testing tool comprises a skeleto, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162502.5U CN206194507U (en) | 2016-10-25 | 2016-10-25 | Testing tool comprises a skeleto, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194507U true CN206194507U (en) | 2017-05-24 |
Family
ID=58732900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162502.5U Expired - Fee Related CN206194507U (en) | 2016-10-25 | 2016-10-25 | Testing tool comprises a skeleto, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206194507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885563A (en) * | 2021-01-23 | 2021-06-01 | 荣成恒顺电子有限公司 | Line lamp control transformer with automatic dustproof mechanism |
-
2016
- 2016-10-25 CN CN201621162502.5U patent/CN206194507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885563A (en) * | 2021-01-23 | 2021-06-01 | 荣成恒顺电子有限公司 | Line lamp control transformer with automatic dustproof mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |