CN203337743U - Phase checking device and electroscope used with the same - Google Patents
Phase checking device and electroscope used with the same Download PDFInfo
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- CN203337743U CN203337743U CN2013204263079U CN201320426307U CN203337743U CN 203337743 U CN203337743 U CN 203337743U CN 2013204263079 U CN2013204263079 U CN 2013204263079U CN 201320426307 U CN201320426307 U CN 201320426307U CN 203337743 U CN203337743 U CN 203337743U
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Abstract
The utility model relates to a phase checking device and an electroscope used with the same. The phase checking device comprises a chassis. Two sides of the chassis are equipped with interlocking devices used for opening a high voltage switch cabinet insulated baffle. The chassis is equipped with a grounding device which is matched with a high voltage switch cabinet grounding jack. The phase checking device comprises a vehicle body which is perpendicular to the chassis and at least one electroscope arm. Each electroscope arm is parallel with the chassis. One end of the electroscope arm is fixed on the vehicle body, and the other end of the electroscope arm is in contact with a high voltage switch cabinet power supply static contact. The electroscope arm comprises a contact arm and comprises a contact and a metal rod which are fixed at two ends of the contact arm. The contact is matched with the power supply static contact and can be inserted into the power supply static contact. The electrical conduction between the contact and the metal rod is realized through the contact arm. The metal rod passes through a vehicle body inner side face vertically and goes out from an outer side face. When carrying out phase checking, an operator inserts an electroscope rod or the electroscope into an electroscope jack to carry out phase checking directly, a problem that a real voltage signal can not be obtained to carry out phase checking when a transition component such as a sensor is failed in the prior art is solved, and safety accidents are avoided.
Description
Technical field
The electroscope that the utility model relates to a kind of phase checking device and is used in conjunction with this phase checking device, specifically a kind of phase checking device for high-tension switch cabinet reaches the electroscope be used in conjunction with this phase checking device.
Background technology
In the electric system electric power operation, when the two-way power supply need to be to the power supply of same consumer, carry out nuclear phase at point side by side, prevent because of phase sequence (phase place) inconsistently, cause short circuit accident.
In prior art, to the nuclear phase of 10KV high-tension switch cabinet, need to be carried out by two groups of personnel simultaneously, be responsible for respectively measuring I, II two-way supply voltage phasor, then compare.The measurement I road A phase supply voltage of take is example: a staff is employed the insulation restrictor bar and is chosen out the insulation barrier of high-tension switch cabinet inside, hold and can drive the slide block that insulation barrier slides up and down with the insulation restrictor bar, make insulation barrier stay open state, and then expose six power supply static contacts (clear on safety regulation for operations: forbid to open insulation barrier when charged in switch cabinet of high-tension switch cabinet inside, therefore this operation is breach of security regulation, has Danger Electric shock risk).Then another people by the measuring sonde of phase checking device in the situation that be insinuated into A phase static contact on vertical with insulation barrier.If out of plumb probes into and is offset at work, be easy to cause live part safe distance inadequate (the about 30-40cm of this distance) over the ground, because charged site voltage is higher, may, by measuring sonde to the electric discharge of switch cabinet arm, cause the serious accident involving serious consequences of bus single-phase earthing.Meanwhile, another group staff also will be measured according to aforesaid operations mode DuiⅡ road A phase, B phase, C phase supply voltage simultaneously, then compares A phase supply voltage YuⅡ road, I road A phase, B phase, C phase supply voltage.And, according to the rules, after I, II two-way A, B, C three-phase voltage should being compared respectively, could finally determine whether homophase, therefore, this operation will be carried out nine times just can complete the nuclear phase task one time, the operating process complexity, danger coefficient is high.
In order to address the above problem, a kind of safe and simple high-voltage nuclear phase method is provided, people have developed the nuclear phase dolly, Granted publication number is CN201892700U, the patent documentation that name is called " a kind of secondary side electrical verification nuclear phase hand cart of intermediate switchgear cabinet " discloses a kind of electrical verification nuclear phase hand cart that switch cubicle is carried out to the electrical verification nuclear phase, comprise chassis vehicle and be installed on the handcart skeleton on chassis vehicle, described chassis vehicle two bottom sides has clamping groove plate, when dolly pushes high-tension switch cabinet, clamping groove plate holds high-voltage switch gear and controls the slide block that insulation barrier opens and closes cashier's office in a shop, insulation barrier is opened, expose the power supply static contact in high-tension switch cabinet, the medial surface of described handcart skeleton is provided with insulator in turn, connect row, contact arm and contact, described contact contacts for measuring charged situation and the phase place of stationary contact in high-tension switch cabinet with the power supply static contact in high-tension switch cabinet.Be provided with charged demonstration sensor on described handcart skeleton and be arranged at the phasing tester of handcart skeleton lateral surface, the inspection of described charged demonstration sensor electricity end links together with being connected to arrange by high-pressure connection line, in high-tension switch cabinet, the voltage of stationary contact passes on charged demonstration sensor by contact, contact arm, connection row and inspection electricity end, the display end of described charged demonstration sensor is connected with an electrification display, can show the charged situation of high-tension switch cabinet.This scheme is by charged demonstration sensor transfer overvoltage signal between the stationary contact of electrification display and high-tension switch cabinet, rather than directly obtain the charged of high-tension switch cabinet and phase place situation by electrification display, when charged demonstration sensor breaks down, such as the phase place of the two-way power supply in high-tension switch cabinet is inconsistent, but because breaking down, charged demonstration sensor cause electrification display not show, if now operating personnel are operated according to non-failure conditions, will cause major accident.
The utility model content
Technical problem to be solved in the utility model is that electroscopy equipment of the prior art is provided with the sensor transition element between the contact of electrification display and electroscopy equipment, when breaking down, easily cause by the transition element erroneous judgement disconnected, accidents caused, can directly to high-tension switch cabinet, carry out a kind of phase checking device of electrical verification nuclear phase and the electroscope be used in conjunction with this phase checking device thereby provide a kind of.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Phase checking device described in the utility model comprises:
Chassis vehicle, described chassis vehicle two bottom sides is furnished with for opening the interlocking device of high-tension switch cabinet insulation barrier; On described chassis vehicle, the one side relative with described insulation barrier is provided for the earthing device mated with described high-tension switch cabinet earth jack;
Car body, vertically be fixed on described chassis vehicle;
At least one electrical verification arm, each described electrical verification arm is parallel to described chassis vehicle setting, and an end is fixed on described car body, and the other end can insert the power supply static contact in described high-tension switch cabinet;
Described electrical verification arm comprises contact arm, and is fixed in contact and the metal bar at described contact arm two ends;
Power supply static contact in described contact and described high-tension switch cabinet is complementary, and is suitable for inserting the power supply static contact in described high-tension switch cabinet;
Described contact arm is realized conducting between described contact and described metal bar;
Described metal bar vertically, through the medial surface of described car body, passes from the lateral surface of described car body, and conducts with electroscopy equipment.
The end of the end that described metal bar passes from described lateral surface forms the electrical verification jack.
The outside surface of described metal bar, also be surrounded by wall bushing, and the length of described wall bushing and the length of described metal bar are complementary.
Described electrical verification arm is positioned at the part of medial surface, except contact, all is insulated the sleeve pipe insulated enclosure.
As a kind of optional embodiment, described contact arm, one end perforate, first the location conductive pin by described perforate, enter in described contact arm and from the end of the described contact arm other end, stretch out a part and described part of stretching out be provided with external thread, one end end face of described metal bar, vertically be provided with positioning jack, in described positioning jack, is provided with internal thread, be complementary with the external thread of described the first location conductive pin, described contact arm is connected by screw threads for fastening with described metal bar.
As the optional embodiment of another kind, an end of described contact arm is provided with internal thread, and the external thread be provided with an end of described metal bar is complementary, and described tactile wall is connected by screw threads for fastening with described metal bar.
The number of described electrical verification arm is six; The layout of six power supply static contacts of the two-way power supply that the layout of six described electrical verification arms is interior with described high-tension switch cabinet is consistent.
Phase checking device described in the utility model, also comprise insulating sheath, and described insulating sheath comprises inside and outside two-layer;
The second register pin enters internal layer and is complementary with described electrical verification jack through described insulating sheath internal layer roof; The internal layer of described insulating sheath and outer interlayer are by filling fixing described the second register pin of material that insulate;
Before nuclear phase, described insulating sheath is sheathed on the wall bushing passed from the lateral surface of described car body.
The electroscope be used in conjunction with this phase checking device described in the utility model comprises:
Two the 3rd location conductive pins, an end of each described the 3rd location conductive pin and the electrical verification jack on described electrical verification arm are complementary;
Alarm, its anodal and negative pole conducts by two buss and two described location conductive pins respectively, and when two the described the 3rd voltages of locating conductive pins or phase place difference, described alarm gives the alarm;
Insulation seal device, be coated on outside two described the 3rd location conductive pins and buss, after described the 3rd location conductive pin inserts described electrical verification jack, and the wall bushing sealing laminating that described insulation seal device and lateral surface from described car body pass.
Described insulation seal device comprises U-shaped linking arm and is arranged at the contact cap at described U-shaped linking arm two ends;
Each described contact cap comprises inside and outside two-layer, and described internal layer is suitable for being fastened on the wall bushing passed from the lateral surface of described car body;
One end of described the 3rd location conductive pin is fixed between the internal layer and skin of contact cap by the insulation material be filled between contact cap internal layer and skin, the other end enters internal layer through described internal layer roof, when the internal layer of described contact cap is fastened on outside described wall bushing, described the 3rd location conductive pin inserts described electrical verification jack;
The spacing of two described location conductive pins is consistent with the spacing of described two rows electrical verification jack;
Described attention device is pilot lamp, is positioned at the outside surface of described U-shaped linking arm away from contact cap one side.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) a kind of phase checking device described in the utility model, comprise chassis vehicle, and described chassis vehicle two bottom sides is furnished with for opening the interlocking device of high-tension switch cabinet insulation barrier; On described chassis vehicle, the one side relative with described insulation barrier is provided for the earthing device mated with described high-tension switch cabinet earth jack; Car body vertically is fixed on described chassis vehicle; At least one electrical verification arm, each described electrical verification arm is parallel to described chassis vehicle setting, and an end is fixed on described car body, and the other end can insert the power supply static contact in described high-tension switch cabinet; Described electrical verification arm comprises contact arm, and is fixed in contact and the metal bar at described contact arm two ends; Power supply static contact in described contact and described high-tension switch cabinet is complementary, and is suitable for inserting the power supply static contact in described high-tension switch cabinet; Described contact arm is realized conducting between described contact and described metal bar; And described metal bar vertically, through the medial surface of described car body, passes from the lateral surface of described car body.
Therefore, when described phase checking device is pushed to high-tension switch cabinet, described contact contacts with the power supply stationary contact of high-tension switch cabinet, power supply voltage signal can be led to the lateral surface of car body through contact arm, metal bar, operating personnel use electrical verification rod or electroscope to probe into described electrical verification jack can directly carry out nuclear phase, solved in prior art when the sensor transition element breaks down, can't obtain the problem that actual voltage signal carries out nuclear phase, avoided the generation of security incident.
(2) electroscope that described in the utility model and described phase checking device is complementary, comprise two the 3rd location conductive pins, and an end of each described the 3rd location conductive pin and the electrical verification jack on described electrical verification arm are complementary; Alarm, its anodal and negative pole conducts by two buss and two described location conductive pins respectively, and when two the described the 3rd voltages of locating conductive pins or phase place difference, described alarm gives the alarm; Insulation seal device, be coated on outside two described the 3rd location conductive pins, and described the 3rd location is after conductive pin inserts described electrical verification jack, the wall bushing sealing laminating that described insulation seal device and lateral surface from described car body stretch out.
The phase place of correspondence in the two-way power supply, such as the mutually different phase times of A, will produce voltage difference between two the 3rd location conductive pins, now, just have electric current and flow through the alarm be positioned on described electroscope, the alert phase place is inconsistent, and therefore, operating personnel can intuitively, directly obtain the nuclear phase result.
The accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the side sectional view of phase checking device described in the utility model;
Fig. 2 is the vertical view cutaway drawing of phase checking device described in the utility model;
Fig. 3 is the front elevation of phase checking device medial surface described in the utility model;
Fig. 4 is the front elevation of phase checking device lateral surface described in the utility model;
Fig. 5 is galvanoscopic side sectional view described in the utility model;
Fig. 6 is galvanoscopic front elevation described in the utility model.
In figure, Reference numeral is expressed as: 1-chassis vehicle, 2-car body, 3-electrical verification arm, 4-interlocking device, the 5-earthing device, 6-insulating sheath, 7-contact cap, 8-the 3rd location conductive pin, the 9-insulation seal device, 10-alarm, 21-medial surface, 22-lateral surface, the 31-contact, 32-contact arm, 33-insulating sleeve, 34-metal bar, the 35-wall bushing, 321-the first location conductive pin, 341-positioning jack, 342-electrical verification jack, 61-the second register pin, 81-bus.
Embodiment
As shown in Figure 1, it comprises the structure of the described phase checking device of the present embodiment
Car body 2, vertically be fixed on described chassis vehicle 1.
Described phase checking device comprises at least one electrical verification arm 3, and each described electrical verification arm 3 is parallel to described chassis vehicle 1 and arranges, and an end is fixed on described car body 2, and the other end can insert the power supply static contact in described high-tension switch cabinet.
Described electrical verification arm 3 comprises contact arm 32, and is fixed in contact 31 and the metal bar 34 at described contact arm 32 two ends.
Described contact 31 is complementary with the power supply static contact in described high-tension switch cabinet, is suitable for inserting the power supply static contact in described high-tension switch cabinet; While using this phase checking device nuclear phase, because electrical verification arm 3 is parallel with chassis vehicle 1, and the power supply static contact along continuous straight runs in high-tension switch cabinet extends, also parallel with chassis vehicle 1, therefore, described contact 31 can fully contact with described power supply static contact, obtains the voltage signal of high-tension switch cabinet from described power supply static contact.
Described contact arm 32 can be realized conducting of 34 of described contact 31 and described metal bars, and as a kind of optional embodiment, described contact arm 32, described contact 31 and metal bar 34 can adopt the metallic copper manufacture.
The vertical medial surface 21 through described car body 2 of described metal bar 34, pass from the lateral surface 22 of described car body 2, and conduct with electroscopy equipment.The voltage signal of high-tension switch cabinet is directly led to electroscopy equipment and carry out nuclear phase.Described electroscopy equipment can be electrical verification rod or electroscope.
As a kind of optional embodiment, as shown in Figure 4, the end of the end that described metal bar 34 passes from described lateral surface 22 forms electrical verification jack 342.During nuclear phase, electrical verification rod or other electroscopy equipment can be probeed into to the voltage signal that described electrical verification jack 342 obtains high-tension switch cabinet.
As a kind of improvement, the outside surface of described metal bar 34, also be surrounded by wall bushing 35, and the length of the length of described wall bushing 35 and described metal bar 34 is complementary.Therefore, described metal bar 34, except the end face that is provided with electrical verification jack 342, is all wrapped up by wall bushing 35, and described wall bushing 35 is selected the above high-voltage wall bushing of 10KV, can meet the security performance requirement of phase checking device.
As a kind of improvement, described electrical verification arm 3 is positioned at the part of medial surface 21, except contact 31, all is insulated sleeve pipe 33 insulated enclosures.Effluve phenomenon while effectively having avoided contact 31 to contact with described power supply stationary contact, improved the security performance of equipment greatly.
As a kind of optional embodiment, described contact arm 32, one end perforate, the first location conductive pin 321 enters in described contact arm 32 by described perforate and stretches out a part from the end of described contact arm 32 other ends and described part of stretching out is provided with external thread, one end end face of described metal bar 34, vertically be provided with positioning jack 341, be provided with internal thread in described positioning jack 341, with the external thread of described the first location conductive pin 321, be complementary, during installation, special installation tool is probeed into from the perforate of described contact arm 32, secure the above the first location conductive pin 321, then an end that described metal bar 34 is provided with to positioning jack 341 screws in the part that described the first location conductive pin 321 stretches out described contact arm 32, described contact arm 32 is connected by screw threads for fastening with described metal bar 34.Afterwards described contact 31 is fixedly connected with the end that described contact arm 32 is provided with perforate, described contact 31 can welding or clamping or is fixed on described contact arm 32 by screw thread.During nuclear phase, the power supply static contact of high-tension switch cabinet fully contacts with described contact 31, and by the voltage signal in high-tension switch cabinet, through described contact 31, contact arm 32, metal bar 34 leads to the lateral surface of car body 2.
As the optional embodiment of another kind, one end of described contact arm 32 is provided with internal thread, the external thread be provided with an end of described metal bar 34 is complementary, during installation, described metal bar 34 is provided with in the described internal thread that an externally threaded end screws in described contact arm 32, described tactile wall 32 can be connected by screw threads for fastening with described metal bar 34.
As a kind of improvement, the number of described electrical verification arm 3 is six; The layout of six power supply static contacts of the two-way power supply that the layout of six described electrical verification arms 3 is interior with described high-tension switch cabinet is consistent.Modal a kind of layout, from Fig. 1, Fig. 2, Fig. 3, Fig. 4, the mode that described six electrical verification arms 3 are divided into two rows with three one rows vertically is located on described medial surface 21.
As a kind of improvement, phase checking device described in the utility model, also comprise insulating sheath 6, and described insulating sheath 6 comprises inside and outside two-layer;
The second register pin 61 enters internal layer and is complementary with described electrical verification jack 342 through described insulating sheath 6 internal layer roofs; The internal layer of described insulating sheath 6 and outer interlayer are by filling fixing described the second register pin 61 of material that insulate.
As a kind of optimal way, described the second register pin 61 also insulate.
Before nuclear phase, described insulating sheath 6 is sheathed on the wall bushing 35 passed from the lateral surface 22 of described car body 2.
As a kind of optional embodiment, described the second register pin 61 outsides are provided with external thread, be provided with internal thread in described electrical verification jack 342, and the external thread that described the second register pin 61 outsides are provided with and the internal thread of described electrical verification jack 342 are complementary, before nuclear phase, by screw thread, described insulating sheath 6 is sheathed on the wall bushing 35 passed from the lateral surface 22 of described car body 2, prevents from coming off.
During nuclear phase, adopt specific purpose tool to take insulating sheath 6, use electrical verification rod or other electroscopy equipment just can start the electrical verification nuclear phase.
Therefore, when described phase checking device is pushed to high-tension switch cabinet, described contact contacts with the Voltage Static contact of high-tension switch cabinet, power supply voltage signal directly can be led to the lateral surface of car body through contact arm, metal bar, operating personnel use electrical verification rod or other electroscopy equipment to probe into described electrical verification jack can directly carry out nuclear phase, solved in prior art when the sensor transition element breaks down, can't obtain the problem that actual voltage signal carries out nuclear phase, avoid the generation of security incident.
Embodiment 2
The present embodiment relates to a kind of electroscope be used in conjunction with the described phase checking device of embodiment 1, as Fig. 5, shown in Fig. 6, comprising:
Two the 3rd location conductive pins 8, an end of each described the 3rd location conductive pin 8 and the electrical verification jack 342 on described electrical verification arm 3 are complementary.
As a kind of improvement, described insulation seal device 9 comprises U-shaped linking arm and is arranged at the contact cap 7 at described U-shaped linking arm two ends;
Each described contact cap 7 comprises inside and outside two-layer, and described internal layer is applicable to being fastened on the wall bushing 35 passed from the lateral surface 22 of described car body 2.
One end of described the 3rd location conductive pin 8 is fixed between the internal layer and skin of contact cap (7) by the insulation material be filled between contact cap (7) internal layer and skin, the other end enters internal layer through described internal layer roof, the internal layer of described contact cap (7) is fastened on described wall bushing (35) when outer, described the 3rd location conductive pin (8) inserts described electrical verification jack (342), has strengthened galvanoscopic insulated enclosure.
The spacing that the spacing of two described location conductive pins 8 and described two is arranged the electrical verification jack 342 on electrical verification arms 3 is consistent, described electroscope can be directly fixed on by described the 3rd location conductive pin 8 and described electrical verification jack 342 on two described metal bars 34 of corresponding phase and carry out nuclear phase, it is more convenient to operate.
Described attention device 10 is pilot lamp, is positioned at the outside surface of described U-shaped linking arm away from contact cap 7 one sides.When phase place is inconsistent, the pilot lamp luminous alarm.Therefore, operating personnel can intuitively, directly obtain the nuclear phase result.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among protection domain of the present utility model.
Claims (10)
1. a phase checking device comprises:
Chassis vehicle (1), described chassis vehicle (1) two bottom sides is furnished with the interlocking device (4) for opening the high-tension switch cabinet insulation barrier; The upper one side relative with described insulation barrier of described chassis vehicle (1) is provided for the earthing device (5) with described high-tension switch cabinet earth jack coupling;
Car body (2), vertically be fixed on described chassis vehicle (1);
At least one electrical verification arm (3), each described electrical verification arm (3) is parallel to described chassis vehicle (1) setting, and it is upper that an end is fixed in described car body (2), and the other end can insert the power supply static contact in described high-tension switch cabinet;
It is characterized in that:
Described electrical verification arm (3) comprises contact arm (32), and is fixed in contact (31) and the metal bar (34) at described contact arm (32) two ends;
Described contact (31) is complementary with the power supply static contact in described high-tension switch cabinet, is suitable for inserting the power supply static contact in described high-tension switch cabinet;
Described contact arm (32) is realized conducting between described contact (31) and described metal bar (34);
Described metal bar (34) vertically, through the medial surface (21) of described car body (2), passes from the lateral surface (22) of described car body (2), and conducts with electroscopy equipment.
2. phase checking device according to claim 1 is characterized in that:
The end of the end that described metal bar (34) passes from described lateral surface (22) forms electrical verification jack (342).
3. phase checking device according to claim 2 is characterized in that:
The outside surface of described metal bar (34), also be surrounded by wall bushing (35), and the length of the length of described wall bushing (35) and described metal bar (34) is complementary.
4. phase checking device according to claim 3 is characterized in that:
Described electrical verification arm (3) is positioned at the part of medial surface (21), except contact (31), all is insulated sleeve pipe (33) insulated enclosure.
5. phase checking device according to claim 4 is characterized in that:
Described contact arm (32), one end perforate, the first location conductive pin (321) enters in described contact arm (32) by described perforate and stretches out a part from the end of described contact arm (32) other end and described part of stretching out is provided with external thread, one end end face of described metal bar (34), vertically be provided with positioning jack (341), described positioning jack is provided with internal thread in (341), be complementary with the external thread of described the first location conductive pin (321), described contact arm (32) is connected by screw threads for fastening with described metal bar (34).
6. phase checking device according to claim 4 is characterized in that:
One end of described contact arm (32) is provided with internal thread, and the external thread be provided with an end of described metal bar (34) is complementary, and described tactile wall (32) is connected by screw threads for fastening with described metal bar (34).
7. according to the arbitrary described phase checking device of claim 1-6, it is characterized in that:
The number of described electrical verification arm (3) is six; The layout of six power supply static contacts of the two-way power supply that the layout of six described electrical verification arms (3) is interior with described high-tension switch cabinet is consistent.
8. phase checking device according to claim 7 is characterized in that:
Also comprise insulating sheath (6), and described insulating sheath (6) comprises inside and outside two-layer;
The second register pin (61) enters internal layer and is complementary with described electrical verification jack (342) through described insulating sheath (6) internal layer roof; The internal layer of described insulating sheath (6) and outer interlayer are by filling fixing described the second register pin (61) of material that insulate;
Before nuclear phase, described insulating sheath (6) is sheathed on the wall bushing (35) passed from the lateral surface (22) of described car body (2).
9. the electroscope be used in conjunction with the arbitrary described phase checking device of claim 1-8, is characterized in that, comprising:
Two the 3rd location conductive pins (8), an end of each described the 3rd location conductive pin (8) and the electrical verification jack (342) on described electrical verification arm (3) are complementary;
Alarm (10), its anodal and negative pole conducts by two buss (81) and two described location conductive pins (8) respectively, and when two the described the 3rd voltages of locating conductive pins (8) or phase place difference, described alarm (10) gives the alarm;
Insulation seal device (9), be coated on outside two described the 3rd location conductive pins (8) and bus (81), described the 3rd location conductive pin is after (8) insert described electrical verification jack (342), wall bushing (35) the sealing laminating that described insulation seal device (9) and lateral surface (22) from described car body (2) pass.
10. electroscope according to claim 9 is characterized in that:
Described insulation seal device (9) comprises U-shaped linking arm and is arranged at the contact cap (7) at described U-shaped linking arm two ends;
Each described contact cap (7) comprises inside and outside two-layer, and described internal layer is suitable for being fastened on the wall bushing (35) passed from the lateral surface (22) of described car body (2);
One end of described the 3rd location conductive pin (8) is fixed between the internal layer and skin of contact cap (7) by the insulation material be filled between contact cap (7) internal layer and skin, the other end enters internal layer through described internal layer roof, the internal layer of described contact cap (7) is fastened on described wall bushing (35) when outer, and described the 3rd location conductive pin (8) inserts described electrical verification jack (342);
The spacing of two described location conductive pins (8) is consistent with the spacing of described two rows electrical verification jack (342);
Described attention device (10) is pilot lamp, is positioned at the outside surface of described U-shaped linking arm away from contact cap (7) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204263079U CN203337743U (en) | 2013-07-17 | 2013-07-17 | Phase checking device and electroscope used with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204263079U CN203337743U (en) | 2013-07-17 | 2013-07-17 | Phase checking device and electroscope used with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337743U true CN203337743U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204263079U Withdrawn - After Issue CN203337743U (en) | 2013-07-17 | 2013-07-17 | Phase checking device and electroscope used with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203337743U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364648A (en) * | 2013-07-17 | 2013-10-23 | 燕开电气股份有限公司 | Nuclear phase device and electroscope used in cooperation with nuclear phase device |
| CN104678192A (en) * | 2015-03-06 | 2015-06-03 | 兰州威立雅水务(集团)有限责任公司 | Auxiliary chamber electricity checking device for vacuum circuit breakers of high-voltage switch cabinet |
| CN106483377A (en) * | 2016-09-30 | 2017-03-08 | 国网北京市电力公司 | Phase checking device |
-
2013
- 2013-07-17 CN CN2013204263079U patent/CN203337743U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364648A (en) * | 2013-07-17 | 2013-10-23 | 燕开电气股份有限公司 | Nuclear phase device and electroscope used in cooperation with nuclear phase device |
| CN104678192A (en) * | 2015-03-06 | 2015-06-03 | 兰州威立雅水务(集团)有限责任公司 | Auxiliary chamber electricity checking device for vacuum circuit breakers of high-voltage switch cabinet |
| CN106483377A (en) * | 2016-09-30 | 2017-03-08 | 国网北京市电力公司 | Phase checking device |
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