CN206818750U - A kind of DC system insulating monitoring instrument electrification replacing tool - Google Patents
A kind of DC system insulating monitoring instrument electrification replacing tool Download PDFInfo
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- CN206818750U CN206818750U CN201720780202.1U CN201720780202U CN206818750U CN 206818750 U CN206818750 U CN 206818750U CN 201720780202 U CN201720780202 U CN 201720780202U CN 206818750 U CN206818750 U CN 206818750U
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- housing
- insulating monitor
- insulating
- connection cable
- monitoring instrument
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
A kind of DC system insulating monitoring instrument electrification replacing tool provided by the utility model, connection cable is bypassed insulating monitor by place loop, D.C. voltmeter and DC ammeter are used for the magnitude of voltage and current value in loop where showing insulating monitor, when changing insulating monitor, easily insulating monitor can be bypassed, then judged whether directly change insulating monitor according to the indicating value of D.C. voltmeter and DC ammeter, operation need not be powered off when changing insulating monitor, the labor intensity of operating personnel is reduced, insulating monitor is changed convenient.Closing switch is used for the break-make for controlling connection cable, changes instrument easy-to-connect, and combined floodgate indicator lamp is lighted after closing switch combined floodgate, to prompt technical staff to carry out associative operation, optimizes the performance of replacing instrument.The patching operations being provided with beneficial to replacing instrument of wiring body, reduce the labor intensity of technical staff.
Description
Technical field
It the utility model is related to transformer station direct current system maintenance tool, more particularly to a kind of DC system insulating monitoring instrument band
Charged renewal instrument.
Background technology
Transformer station direct current system be for signalling arrangement, protection, automatics, emergency lighting, emergency power supply and breaker point,
Closing operation provides the power-supply device of dc source, and it is an independent power supply, is not influenceed by system operation mode, and
In the case that external communication electricity interrupts, continued to provide the visual plant of dc source by battery.
Straight-flow system one is divided into rectification module system, monitoring system, insulating monitoring unit, battery inspection unit, switch
Measure six parts of monitoring unit and power supply unit.Wherein insulating monitor is located at insulating monitoring unit, and it is monitoring DC loop
A kind of device of insulation situation, can monitor line-to-ground ohmic leakage in real time, and this numerical value can be set as the case may be.When circuit pair
When ground insulation is reduced to setting value, alarm signal will be sent.In straight-flow system, direct current positive and negative electrode is insulation over the ground, such as
Because the path of no composition earth current is without causing any harm, but a pole ground connection long-term work when one pole ground connection occurs for fruit
When another place of same pole occurring again simultaneously being grounded, it is possible to cause recoil simulator, relay protection or control loop
Incorrect operation.
It is reliable for guarantee transformer station direct current system insulation in the prior art, generally require to insulating monitor regular visit,
To avoid insulating monitor fail operation.For faulty insulating monitor, prior art is typically by powering off the side changed
The insulating monitor that formula more renews, but this substitute mode is unfavorable for the replacing of insulating monitoring, and increase technical staff
Labor intensity.
The content of the invention
A kind of DC system insulating monitoring instrument electrification replacing tool provided by the utility model, it is intended to overcome in the prior art
The inconvenient deficiency of insulating monitor replacement operation in transformer station direct current system.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：A kind of DC system insulating monitoring
Instrument electrification replacing tool, including housing；
The D.C. voltmeter being arranged in housing, the DC voltage value in loop where detection insulating monitor；
The DC ammeter being arranged in housing, the DC current values in loop where detection insulating monitor；
Connection cable；
The closing switch being serially connected on connection cable, closing switch are in parallel with insulating monitor；
With combined floodgate indicator lamp；
Wiring body is bonded on the connection cable, the wiring body includes connecting portion and the wiring engaged with connection cable
Portion, wiring hole is offered on the connecting portion, the line pressing bolt for compressing wiring hole internal wiring cable is provided with the connecting portion,
The screw coordinated with line pressing bolt is offered on the connecting portion, elastic deformation can be produced by being welded with the side wall of the wiring hole
Flexure strip, the flexure strip covers the screw.
A kind of optional scheme, the closing switch include operation handle, pilot hole, the behaviour are provided with the housing
Make handle and pass through the pilot hole, also, the operation handle protrudes the housing.Closing switch is easy to operate, optimizes more
Change the performance of instrument.
A kind of optional scheme, the housing are provided with observation D.C. voltmeter, the observation panel of DC ammeter indicating value, institute
The transparent panel that closing observation panel is fixed with housing is stated, is provided with the housing around observation panel and accommodates the recessed of transparent panel
Fall into, the transparent panel is bonded in the depression.The setting of transparent panel is played a part of closing observation panel, avoids introduced contaminants from falling
Enter the electronic component in damage housing in housing, extend the service life of replacing instrument.The setting of depression can avoid transparent
Plate protrudes housing, optimizes the performance of replacing instrument.
A kind of optional scheme, the fixing hole of fixed combined floodgate indicator lamp is offered on the housing, is set in the fixing hole
Elastically-deformable fixed cover can be produced by being equipped with, and the combined floodgate indicator lamp is plugged in the fixed cover.Fixed cover utilizes its elasticity
The fixed combined floodgate indicator lamp of deformation, combined floodgate indicator lamp are easy to assembly and fixed reliable.In addition, fixed cover also acts as protection combined floodgate instruction
The effect of lamp, avoid combined floodgate indicator lamp from damaging, extend the service life of combined floodgate indicator lamp.
A kind of optional scheme, the housing include the first half and lower half, and the first half passes through bolt with lower half
It is fixed together, sealing gasket is provided between the first half and lower half, the sealing gasket is bonded on the lower half, described
D.C. voltmeter and DC ammeter are fixed by screws in the lower half.The electronic component being arranged in housing is easy to
Assembling is safeguarded, optimizes the performance of replacing instrument.The setting of sealing gasket improves the sealing property of housing, extends shell
The service life of internal electronic component.
A kind of optional scheme, handle is additionally provided with the housing, the lug of fixed handle, institute are bonded on the housing
Handle is stated to be connected on the lug by axis of rotation.The setting of handle causes replacing instrument to be easy to carry, and optimizes replacing
The performance of instrument.
Compared with prior art, a kind of DC system insulating monitoring instrument electrification replacing tool provided by the utility model, tool
Have the following advantages：Connection cable is bypassed insulating monitor by place loop, and D.C. voltmeter and DC ammeter are used to show
The magnitude of voltage and current value in loop where insulating monitor, can be easily by insulating monitor when changing insulating monitor
Bypass, then judges whether directly change insulating monitor, more according to the indicating value of D.C. voltmeter and DC ammeter
Operation need not be powered off when changing insulating monitor, reduces the labor intensity of operating personnel, insulating monitor is changed convenient.
Closing switch is used for the break-make for controlling connection cable, changes instrument easy-to-connect, combined floodgate indicator lamp is in closing switch
Lighted after combined floodgate, to prompt technical staff to carry out associative operation, optimize the performance of replacing instrument.
The patching operations being provided with beneficial to replacing instrument of wiring body, reduce the labor intensity of technical staff.
Brief description of the drawings
Accompanying drawing 1 is a kind of front view of DC system insulating monitoring instrument electrification replacing tool of the utility model；
Accompanying drawing 2 is the top view of accompanying drawing 1；
Accompanying drawing 3 is the sectional view of wiring body.
Embodiment
Below in conjunction with the accompanying drawings, a kind of DC system insulating monitoring instrument electrification replacing tool of the present utility model is made further
Explanation.Following examples are only used for helping skilled in the art to understand the utility model, are not to limit of the present utility model
System.
Insulating monitor charged for replacement mainly bypasses insulating monitor, so that technical staff can be with charged for replacement
Insulating monitor, so that insulating monitor changes the labor intensity for conveniently, reducing technical staff.
As shown in Figure 1 and Figure 2, a kind of DC system insulating monitoring instrument electrification replacing tool, including housing 1；Housing 1 is used for
The electronic component of replacing instrument is protected, extends the service life for changing tool, also, the setting of housing 1 causes replacing instrument to be easy to
Carry, optimize the performance of replacing instrument, housing 1 can be box structure made of insulating materials；
The D.C. voltmeter 2 being arranged in housing 1, the DC voltage value in loop where detection insulating monitor；
The DC ammeter 3 being arranged in housing 1, the DC current values in loop where detection insulating monitor；
D.C. voltmeter 2, DC ammeter 3 and the mode of connection and direct current in the prior art in loop where insulating monitor
Voltmeter 2, the mode of connection of DC ammeter 3 are identical, no longer describe herein, and D.C. voltmeter 2 and DC ammeter 3 are mainly used
The magnitude of voltage and current value in loop where display insulating monitor, in favor of the associative operation of technical staff；
Connection cable 4, connection cable 4 is used for loop where changing instrument access insulating monitor, on the housing 1
The cable hole for opening up and passing through connection cable 4 is also set, in order to the wiring of connection cable 4, is gone back in the side wall of cable hole
Protective case can be bonded, to avoid the sidewall damage connection cable 4 of cable hole.
The closing switch 5 being serially connected on connection cable 4, closing switch 5 is in parallel with insulating monitor, and closing switch 5 can be with
For air switch, it is mainly used in controlling the break-make of connection cable 4, insulating monitor is bypassed when connection cable 4 is connected.
With combined floodgate indicator lamp 6, combined floodgate indicator lamp 6 is lighted after closing switch 5 closes a floodgate, and combined floodgate indicator lamp 6 is controlled by closing switch 5
System, combined floodgate indicator lamp 6 can be powered by independent power supply, such as battery；
As shown in Figure 1 and Figure 2, wiring body 7 is bonded on the connection cable 4, wiring body 7 is used to access connection cable 4
Loop where insulating monitor, loop where insulating monitor is typically accessed by terminal block, wiring body 7 are to access terminal block
Structure；
As shown in Figure 1, Figure 2, Figure 3 shows, the wiring body 7 includes connecting portion 8 and the wire connecting portion 9 engaged with connection cable 4, connects
Line portion 9 coordinates with terminal block, and wiring hole 10 is offered on the connecting portion 8, and connection cable 4 is inserted in wiring hole 10, the company
The line pressing bolt 11 for compressing the internal wiring cable 4 of wiring hole 10 is provided with socket part 8, line pressing bolt 11 is used to press connection cable 4
Tightly in wiring hole 10, connection cable 4 is electrically connected by wiring body 7 with terminal block, and electrical connection refers to connection cable 4 and terminal block
Conductive component between formed conduction path；
As shown in figure 3, the screw coordinated with line pressing bolt 11, the side of the wiring hole 10 are offered on the connecting portion 8
The flexure strip 12 of elastic deformation can be produced by being welded with wall, and the flexure strip 12 covers the screw.Flexure strip 12 can produce
Certain elastic deformation, line pressing bolt 11 directly contact with flexure strip 12, and line pressing bolt 11 utilizes flexure strip 12 by connection cable 4
Compress, to avoid line pressing bolt 11 from damaging connection cable 4.
Loop where replacing instrument is connected in parallel to insulating monitor by above-mentioned technical proposal using connection cable 4, closure are closed a floodgate
Switch 5, makes insulating monitor be bypassed by place loop, and insulating monitor institute is observed beneficial to D.C. voltmeter 2 and DC ammeter 3
Magnitude of voltage and current value in loop, because insulating monitor is bypassed, the insulating monitor that now easily can more renew,
So as to realize the charged for replacement of insulating monitor, the labor intensity of technical staff is reduced.Combined floodgate indicator lamp 6 is in closing switch 5
Lighted after combined floodgate, to prompt technical staff to carry out associative operation.
First embodiment based on above-mentioned technical proposal；
As shown in Figure 1 and Figure 2, the closing switch 5 includes operation handle 13, and pilot hole 14 is provided with the housing 1,
The operation handle 13 passes through the pilot hole 14, also, the operation handle 13 protrudes the housing 1, and operation handle 13 is
When a part on closing switch 5 such as closing switch 5 is air switch, operation handle 13 is the operation on air switch
Portion, operation handle 13 should protrude the housing 1, in favor of the operation of technical staff.
Second embodiment based on above-mentioned technical proposal；
As shown in Fig. 2 the housing 1 is provided with observation D.C. voltmeter 2, the observation panel of the indicating value of DC ammeter 3, observation
Mouth is used to observe D.C. voltmeter 2, the reading of DC ammeter 3, and the transparent panel of closing observation panel is fixed with the housing 1
15, transparent panel 15 can be glass material, and transparent panel 15 can also be plastic material, and transparent panel 15 is mainly used in avoiding extraneous ash
Dirt enters in housing 1, and its specific material does not limit.
The depression for accommodating transparent panel 15 is provided with the housing 1 around observation panel, the transparent panel 15 is bonded in institute
State in depression.Depression is mainly used in avoiding transparent panel 15 from protruding housing 1, plays a part of protecting transparent panel 15, avoids transparent panel
15 by accidental damage.
3rd embodiment based on above-mentioned technical proposal；
As shown in Fig. 2 offering the fixing hole of fixed combined floodgate indicator lamp 6 on the housing 1, it is provided with the fixing hole
Elastically-deformable fixed cover 16 can be produced, the combined floodgate indicator lamp 6 is plugged in the fixed cover 16.Fixed cover 16 can be rubber
Gum cover, fixed cover 16 are bonded in the side wall of fixing hole, and fixed cover 16 can also utilize the elastic deformation of itself to be interference fitted
Mode is fixed in the side wall of the fixing hole.Combined floodgate indicator lamp 6 is LED.Combined floodgate indicator lamp 6 utilizes the elasticity of fixed cover 16
Deformation is fixed in the fixed cover 16.
The one side of fixed cover 16 plays a part of fixed combined floodgate indicator lamp 6, and the another aspect of fixed cover 16 also acts as protection and closed
The effect of lock indicator lamp 6, combined floodgate indicator lamp 6 is avoided to be damaged.
Fourth embodiment based on above-mentioned technical proposal；
As shown in Figure 1 and Figure 2, the housing 1 includes the first half 17 and lower half 18, the first half 17 and lower half 18
It is bolted on together, sealing gasket is provided between the first half 17 and lower half 18, the sealing gasket is bonded in described
On lower half 18, the D.C. voltmeter 2 and DC ammeter 3 are fixed by screws in the lower half 18.The first half
17 and lower half 18 in recess all should be set, to accommodate the electrical equipments such as DC ammeter 3, D.C. voltmeter 2.The He of the first half 17
Flange all should be set on lower half 18, in order to the setting of bolt.
Handle 19 is additionally provided with the housing 1, is bonded to the lug 20 of fixed handle 19 on the housing 1, lug 20 with
Housing 1 is integral type structure, and the handle 19 is rotatably connected on the lug 20 by rotating shaft 21.It is arranged with the handle 19
Rubber sleeve.To optimize the performance of replacing instrument.
Above-mentioned all embodiments can be used in combination, and specific combination is not specifically limited, and can rationally be selected as needed
Select.
Section Example of the present utility model is described in detail above in association with accompanying drawing.Those skilled in the art read
After this specification, based on the technical solution of the utility model, above-described embodiment can be modified, these modifications still fall within this
The protection domain of utility model.
Claims (6)
- A kind of 1. DC system insulating monitoring instrument electrification replacing tool, it is characterised in that：Including housing (1)；The D.C. voltmeter (2) being arranged in housing (1), the DC voltage value in loop where detection insulating monitor；The DC ammeter (3) being arranged in housing (1), the DC current values in loop where detection insulating monitor；Connection cable (4)；The closing switch (5) being serially connected on connection cable (4), closing switch (5) are in parallel with insulating monitor；With combined floodgate indicator lamp (6)；Wiring body (7) is bonded on the connection cable (4), the wiring body (7) includes the connection engaged with connection cable (4) Portion (8) and wire connecting portion (9), wiring hole (10) are offered on the connecting portion (8), being provided with compression on the connecting portion (8) connects The line pressing bolt (11) of string holes (10) internal wiring cable (4), offer what is coordinated with line pressing bolt (11) on the connecting portion (8) Screw, the flexure strip (12) that can produce elastic deformation, flexure strip (12) lid are welded with the side wall of the wiring hole (10) Close the screw.
- A kind of 2. DC system insulating monitoring instrument electrification replacing tool according to claim 1, it is characterised in that：The conjunction Lock switch (5) includes operation handle (13), pilot hole (14) is provided with the housing (1), the operation handle (13) passes through The pilot hole (14), also, the operation handle (13) protrudes the housing (1).
- A kind of 3. DC system insulating monitoring instrument electrification replacing tool according to claim 1, it is characterised in that：The shell Body (1) is provided with observation D.C. voltmeter (2), the observation panel of DC ammeter (3) indicating value, and envelope is fixed with the housing (1) The transparent panel (15) of observation panel is closed, is provided with the depression for accommodating transparent panel (15) on the housing (1) around observation panel, it is described Transparent panel (15) is bonded in the depression.
- A kind of 4. DC system insulating monitoring instrument electrification replacing tool according to claim 1, it is characterised in that：The shell The fixing hole of fixed combined floodgate indicator lamp (6) is offered on body (1), elastically-deformable fixation can be produced by being provided with the fixing hole Cover (16), the combined floodgate indicator lamp (6) is plugged in the fixed cover (16).
- A kind of 5. DC system insulating monitoring instrument electrification replacing tool according to claim 1, it is characterised in that：The shell Body (1) includes the first half (17) and lower half (18), together with the first half (17) is bolted on lower half (18), Sealing gasket is provided between the first half (17) and lower half (18), the sealing gasket is bonded on the lower half (18), institute State D.C. voltmeter (2) and DC ammeter (3) is fixed by screws in the lower half (18).
- 6. a kind of DC system insulating monitoring instrument electrification replacing tool according to claim 1 to 5 any one, its feature It is：Handle (19) is additionally provided with the housing (1), the lug (20) of fixed handle (19), institute are bonded on the housing (1) Handle (19) is stated to be rotatably connected on the lug (20) by rotating shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720780202.1U CN206818750U (en) | 2017-06-30 | 2017-06-30 | A kind of DC system insulating monitoring instrument electrification replacing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720780202.1U CN206818750U (en) | 2017-06-30 | 2017-06-30 | A kind of DC system insulating monitoring instrument electrification replacing tool |
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| Publication Number | Publication Date |
|---|---|
| CN206818750U true CN206818750U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720780202.1U Active CN206818750U (en) | 2017-06-30 | 2017-06-30 | A kind of DC system insulating monitoring instrument electrification replacing tool |
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| Country | Link |
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| CN (1) | CN206818750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632172A (en) * | 2017-08-28 | 2018-01-26 | 国网浙江省电力公司台州供电公司 | A kind of electrical test anti-misoperation control device |
-
2017
- 2017-06-30 CN CN201720780202.1U patent/CN206818750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632172A (en) * | 2017-08-28 | 2018-01-26 | 国网浙江省电力公司台州供电公司 | A kind of electrical test anti-misoperation control device |
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