CN204595063U - A kind of electrical circuit inspection and contact electroscope - Google Patents

A kind of electrical circuit inspection and contact electroscope Download PDF

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Publication number
CN204595063U
CN204595063U CN201520222074.XU CN201520222074U CN204595063U CN 204595063 U CN204595063 U CN 204595063U CN 201520222074 U CN201520222074 U CN 201520222074U CN 204595063 U CN204595063 U CN 204595063U
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China
Prior art keywords
triode
alarm
electrical
accumulator
contact
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CN201520222074.XU
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Chinese (zh)
Inventor
王立军
马振
郑晓莉
王官涛
吴晓东
王忠友
高峰
刘永刚
张亮
刘树军
刘海员
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State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN201520222074.XU priority Critical patent/CN204595063U/en
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Abstract

The utility model provides a kind of electrical circuit inspection and contact electroscope, described electrical circuit inspection comprises conductive contact and electrical verification electronic circuit, electrical verification electronic circuit comprises triode VT1, triode VT2, alarm and accumulator S, for removing the capacitor C of electrical verification interference when also comprising button switch K for realizing described electrical circuit inspection self-inspection and electrical verification.Described contact electroscope comprises holding rod and electrical verification mechanism, and electrical verification mechanism comprises housing and described electrical circuit inspection.Holding rod is expansion link.This programme largely solves the electrical circuit inspection that uses in existing electroscope and existing electroscope cannot the problem of self-inspection, and overcomes the existing electroscope relatively electrical verification inconvenience that comes of short strip and the unsafe drawback of electrical verification to a great extent.

Description

A kind of electrical circuit inspection and contact electroscope
Technical field
The utility model relates to electrical verification field, specifically a kind of electrical circuit inspection and contact electroscope, is particularly suited for use when verifying whether high-tension bus-bar is charged.
Background technology
In existing electric system, distribution network system adopts 0.4 ~ 10kV distribution usually.When distribution network system operation maintenance and fault handling, for guaranteeing the security of operation, site work personnel often need electroscope to verify that whether circuit is charged, to carry out next step operation.
At present, for existing electroscope, be usually equipped with in it for verifying the electrical circuit inspection whether electric wire is charged, but this electrical circuit inspection lacks self-checking function, thus causing the electroscope of this electrical circuit inspection of use also to lack self-checking function, this can affect the accuracy of the result to a certain extent.
In addition, existing electroscope is usually relatively short, under some specific environment, is not easy to touch and maybe can not touches electrified body, for electrical verification work brings very large trouble.In addition, existing electroscope is common relatively short, too increases the insecurity of operation.
This is the deficiencies in the prior art part.
Utility model content
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, provides a kind of electrical circuit inspection and contact electroscope, cannot the problem of self-inspection for solving the electrical circuit inspection that uses in existing electroscope and existing electroscope.Also can be used for solving the electrical verification inconvenience that relatively short strip is next of existing electroscope and the unsafe drawback of electrical verification.
For solving the problems of the technologies described above, the utility model provides electrical circuit inspection, comprise conductive contact and electrical verification electronic circuit, electrical verification electronic circuit comprises triode VT1, triode VT2, alarm and accumulator S, the emitter of triode VT1 is connected with the base stage of triode VT2, the collector of triode VT1 is connected with the positive pole of accumulator S, the collector of triode VT2, the positive pole of alarm and accumulator S is in series, the emitter of triode VT2 is connected with the negative pole of accumulator S, connect between the emitter of triode VT2 and the base stage of triode VT1 an electric capacity C, negative pole and a button switch K of connecting between alarm of accumulator S, the base stage of triode VT1 is connected with conductive contact.
Wherein, capacitor C has interference effect, and two triodes have the effect of amplified current; Whether alarm is for the whether charged warning in the position to be tested of making electric wire to be tested, and normal for the performance of alarm verification device and accumulator S.
Wherein, the utility model before the use, close push button K switch, performance verification can be carried out to alarm of the present utility model and accumulator S, and now: if alarm gives the alarm, then this electrical circuit inspection normally, can be carried out electrical verification use after cut-off push button K switch by alarm and accumulator S performance; Otherwise if alarm does not give the alarm, then alarm and accumulator S property abnormality, need detect alarm and accumulator S, to change in time alarm and/or accumulator S, thus improve the accuracy of electrical verification result to a great extent.
In addition, when the utility model is used for electrical verification, only conductive contact need be touched the position to be tested of electric wire to be tested, whether send alarm by alarm, electrical verification object can be reached, and: if alarm gives the alarm, then the position to be tested of electric wire to be tested is charged; If alarm does not give the alarm, then the position to be tested of electric wire to be tested is not charged.Easy to use.
The collector of triode VT1 is in series with connect between accumulator S a resistance RM, this resistance RM and accumulator S and alarm.Resistance RM is protective resistance, has certain protective effect to electrical verification electronic circuit.
Described alarm is voice guard and/or light crossing-signal.
Described conductive contact is made up of the first conductive contact and the second conductive contact, and the second described conductive contact is telescopic conductive contact, and the first conductive contact is connected with the base stage of triode VT1 respectively with the second conductive contact.During use, can according to actual needs, choice for use first conductive contact or the second conductive contact, use flexibly.
The utility model additionally provides a kind of contact electroscope using above-mentioned electrical circuit inspection, and this contact electroscope comprises holding rod and is fixed on the electrical verification mechanism of holding rod one end, electrical verification mechanism comprises housing and described electrical circuit inspection, and the conductive contact of described electrical circuit inspection, alarm and button switch K are separately fixed on housing.
For this contact electroscope, before the use, close push button K switch, can carry out performance verification to this electroscope, and now: if alarm gives the alarm, then electroscope performance is normal, this electroscope can be used for electrical verification and use after cut-off push button K switch; Otherwise, if alarm does not give the alarm, then described electroscope property abnormality, need detect the alarm of electrical circuit inspection and accumulator S, to change in time alarm and/or accumulator S, thus the reliability of electrical verification result can be improved to a great extent.
In addition, when the utility model is used for electrical verification, only conductive contact need be touched the position to be tested of electric wire to be tested, whether send alarm by alarm, electrical verification object can be reached, and: if alarm gives the alarm, then the position to be tested of electric wire to be tested is charged; If alarm does not give the alarm, then the position to be tested of electric wire to be tested is not charged.Easy to use.
Described holding rod has insulation sleeve away from the outer cover of placing of one end of electrical verification mechanism.The use of insulation sleeve, can increase the security of use.
Described holding rod is expansion link.The use of expansion link, is convenient to regulate the galvanoscopic length in contact described in the utility model, easy to use, and especially can meet the electrical verification demand of small space.Comparatively practical.
The connecting rod I that described expansion link comprises bar cover I and is enclosed within bar cover I, be provided with internal thread in bar cover I, be provided with external thread outside connecting rod I, bar cover I and connecting rod I are threaded.The use of thread connecting mode, structure is simple, is convenient to galvanoscopic length adjustment, and is convenient to the adjustment of opposite fine.
The connecting rod II that described expansion link comprises bar cover II and is enclosed within bar cover II, bar cover II is provided with pilot hole and register pin, and connecting rod II is provided with the pilot hole overlapping pilot hole on II and detent fit with bar and use.Structure is simple, easy to adjust.
Triode VT1, triode VT2, the accumulator S and electric capacity C of described electrical verification electronic circuit are fixed on same circuit board, and described circuit board is fixed in housing.
Compared with prior art, the utility model has the advantage of:
(1) for electrical circuit inspection described in the utility model, before the use, close push button K switch, whether alarm is sent by alarm, performance self-inspection can be carried out to alarm of the present utility model and accumulator S, this can improve the accuracy of electrical circuit inspection electrical verification result to a great extent, comparatively practical;
(2) for contact electroscope described in the utility model, before the use, close push button K switch, whether alarm is sent by alarm, performance self-inspection can be carried out to contact electroscope described in the utility model, this can improve the accuracy of electrical verification result of the present utility model to a great extent, thus can improve the reliability of this contact electroscope use to a great extent, comparatively practical;
(3) the galvanoscopic holding rod of contact described in the utility model is expansion link, the use of expansion link, be convenient to regulate the galvanoscopic length in contact described in the utility model, be convenient to electrical verification use, and be especially convenient to the electrical verification demand of small space, largely solve the electrical verification inconvenience that relatively short strip is next of existing electroscope and the unsafe drawback of electrical verification, comparatively practical.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the embodiment of electrical circuit inspection described in the utility model;
Fig. 2 uses the galvanoscopic embodiment 1 of the contact of electrical circuit inspection shown in Fig. 1 for the utility model;
Fig. 3 uses the galvanoscopic embodiment 2 of the contact of electrical circuit inspection shown in Fig. 1 for the utility model.
Wherein: 1 is conductive contact, 1.1 is the first conductive contact, and 1.2 is the second conductive contact, 2 is alarm, and 2.1 is voice guard, and 2.2 is light crossing-signal, 3 is housing, and 4 is holding rod, and 4.1 is bar cover II, 4.1.1 be pilot hole, 4.1.2 is register pin, and 4.2 is connecting rod II, 4.2.1 be pilot hole, 4 ' is holding rod, and 4.1 ' is bar cover I, 4.2 ' is connecting rod I, and 5 is insulation sleeve.
Embodiment
For making the technical solution of the utility model and advantage clearly, below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described.
Embodiment 1:
As shown in Figure 1, a kind of electrical circuit inspection of the present utility model, comprise conductive contact 1 and electrical verification electronic circuit, electrical verification electronic circuit comprises triode VT1, triode VT2, alarm 2 and accumulator S, the emitter of triode VT1 is connected with the base stage of triode VT2, the collector of triode VT1 is connected with the positive pole of accumulator S, the collector of triode VT2, the positive pole of alarm 2 and accumulator S is in series, the emitter of triode VT2 is connected with the negative pole of accumulator S, connect between the emitter of triode VT2 and the base stage of triode VT1 an electric capacity C, negative pole and a button switch K of connecting between alarm 2 of accumulator S, the base stage of triode VT1 is connected with conductive contact 1.
In the present embodiment, the collector of triode VT1 is in series with connect between accumulator S a resistance RM, this resistance RM and accumulator S and alarm 2.
In the present embodiment, described alarm 2 is made up of voice guard 2.1 and light crossing-signal 2.2.Wherein, voice guard 2.1 adopts hummer, and light crossing-signal 2.2 adopts LED.
In the present embodiment, described conductive contact 1 is made up of the first conductive contact 1.1 and the second conductive contact 1.2, the second described conductive contact 1.2 is that telescopic conductive contact 1, first conductive contact 1.1 is connected with the base stage of triode VT1 respectively with the second conductive contact 1.2.During use, the first conductive contact 1.1 and the second conductive contact 1.2 for subsequent use each other, the two also can according to actual needs choice for use.
Wherein, this electrical circuit inspection before the use, close push button K switch, performance verification can be carried out to alarm 2 of the present utility model and accumulator S, and now: if alarm 2 gives the alarm, then this electrical circuit inspection normally, can be carried out electrical verification use after cut-off push button K switch by alarm 2 and accumulator S performance; Otherwise, if alarm 2 does not give the alarm, then alarm 2 and accumulator S property abnormality, need detect alarm 2 and accumulator S, to change in time alarm 2 and/or accumulator S, something which increases the accuracy of this electrical circuit inspection electrical verification result.
Wherein, in the utility model, involved each electrical verification result has two kinds respectively, and one is that the position to be tested of electric wire to be tested is charged, and one is that the position to be tested of electric wire to be tested is not charged.
In addition, when this electrical circuit inspection is used for electrical verification, only arbitrary conductive contact 1 need be touched the position to be tested of electric wire to be tested, whether alarm is sent by alarm 2, electrical verification object can be reached, and: if alarm 2 gives the alarm, then the position to be tested of electric wire to be tested is charged; If alarm 2 does not give the alarm, then the position to be tested of electric wire to be tested is not charged.Extremely easy to use.
As shown in Figure 2, a kind of contact electroscope of the present utility model, comprise holding rod 4 and the electrical verification mechanism being fixed on holding rod 4 one end, described electrical verification mechanism comprises housing 3 and electrical circuit inspection as shown in Figure 1.The conductive contact 1 of described electrical circuit inspection, alarm 2 and button switch K are separately fixed on housing 3.
In the utility model, described holding rod 4 has insulation sleeve 5 away from the outer cover of placing of one end of electrical verification mechanism.
In the utility model, described holding rod 4 is expansion link, the connecting rod II 4.2 that described expansion link comprises bar cover II 4.1 and is enclosed within bar cover II 4.1, bar cover II 4.1 is provided with pilot hole 4.1.1 and register pin 4.1.2, connecting rod II 4.2 be provided with to overlap with bar pilot hole 4.1.1 on II 4.1 and register pin 4.1.2 with the use of pilot hole 4.2.1.
In the utility model, triode VT1, triode VT2, the accumulator S and electric capacity C of described electrical verification electronic circuit are fixed on same circuit board, and described circuit board is fixed in housing 3.
In the present embodiment, the first conductive contact 1.1 adopts fixed contact, and the length of contact is unadjustable.
This contact electroscope before the use, close push button K switch, whether alarm is sent by alarm 2, performance verification can be carried out to contact electroscope described in the utility model, something which increases the accuracy of electrical verification result of the present utility model, thus improve the reliability of this contact electroscope use to a great extent.
When this contact electroscope uses, cut-off push button K switch, according to actual needs, select the position to be tested the first conductive contact 1.1 or the second conductive contact 1.2 being touched electric wire to be tested, if hummer gives the alarm and LED is bright, then the position to be tested of electric wire to be tested is charged, otherwise the position to be tested of electric wire to be tested is not charged.
In addition, the galvanoscopic holding rod 4 of contact described in the utility model is expansion link, the use of expansion link, be convenient to regulate the galvanoscopic length in contact described in the utility model, be convenient to electrical verification use, and be especially convenient to the electrical verification demand of small space, and largely solve the electrical verification inconvenience that relatively short strip is next of existing electroscope and the unsafe drawback of electrical verification, comparatively practical.
Embodiment 2:
Compared with embodiment 1, the difference of this embodiment is: the galvanoscopic expansion link of contact comprises the connecting rod I 4.2 in bar cover I 4.1 ' and be enclosed within bar overlap I 4.1 ' ', bar cover I 4.1 ' in be provided with internal thread, connecting rod I 4.2 ' outside be provided with external thread, bar cover I 4.1 ' and connecting rod I 4.2 ' be threaded by above-mentioned internal thread and external thread, specifically as shown in Figure 3.
Wherein, the use of thread connecting mode, simplifies structure of the present utility model, is convenient to galvanoscopic length adjustment, and is convenient to the precision improving this contact electroscope length adjustment.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to aforementioned embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned each embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (10)

1. an electrical circuit inspection, comprise conductive contact and electrical verification electronic circuit, it is characterized in that: electrical verification electronic circuit comprises triode VT1, triode VT2, alarm and accumulator S, the emitter of triode VT1 is connected with the base stage of triode VT2, the collector of triode VT1 is connected with the positive pole of accumulator S, the collector of triode VT2, the positive pole of alarm and accumulator S is in series, the emitter of triode VT2 is connected with the negative pole of accumulator S, connect between the emitter of triode VT2 and the base stage of triode VT1 an electric capacity C, negative pole and a button switch K of connecting between alarm of accumulator S, the base stage of triode VT1 is connected with conductive contact.
2. electrical circuit inspection according to claim 1, is characterized in that: the collector of triode VT1 is in series with connect between accumulator S a resistance RM, this resistance RM and accumulator S and alarm.
3. electrical circuit inspection according to claim 2, is characterized in that: described alarm is voice guard and/or light crossing-signal.
4. electrical circuit inspection according to claim 1, it is characterized in that: described conductive contact is made up of the first conductive contact and the second conductive contact, the second described conductive contact is telescopic conductive contact, and the first conductive contact is connected with the base stage of triode VT1 respectively with the second conductive contact.
5. one kind uses the contact electroscope of claim 1 or 2 or the electrical circuit inspection described in 3 or 4, comprise holding rod and the electrical verification mechanism being fixed on holding rod one end, it is characterized in that: electrical verification mechanism comprises housing and described electrical circuit inspection, the conductive contact of described electrical circuit inspection, alarm and button switch K are separately fixed on housing.
6. contact electroscope according to claim 5, is characterized in that: described holding rod has insulation sleeve away from the outer cover of placing of one end of electrical verification mechanism.
7. contact electroscope according to claim 5, is characterized in that: described holding rod is expansion link.
8. contact electroscope according to claim 7, is characterized in that: the connecting rod I that described expansion link comprises bar cover I and is enclosed within bar cover I, and be provided with internal thread in bar cover I, be provided with external thread outside connecting rod I, bar cover I and connecting rod I are threaded.
9. contact electroscope according to claim 7, it is characterized in that: the connecting rod II that described expansion link comprises bar cover II and is enclosed within bar cover II, bar cover II is provided with pilot hole and register pin, and connecting rod II is provided with the pilot hole overlapping pilot hole on II and detent fit with bar and use.
10. contact electroscope according to claim 5, is characterized in that: triode VT1, triode VT2, the accumulator S and electric capacity C of described electrical verification electronic circuit are fixed on same circuit board, and described circuit board is fixed in housing.
CN201520222074.XU 2015-04-14 2015-04-14 A kind of electrical circuit inspection and contact electroscope Active CN204595063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520222074.XU CN204595063U (en) 2015-04-14 2015-04-14 A kind of electrical circuit inspection and contact electroscope

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Application Number Priority Date Filing Date Title
CN201520222074.XU CN204595063U (en) 2015-04-14 2015-04-14 A kind of electrical circuit inspection and contact electroscope

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108828299A (en) * 2018-06-29 2018-11-16 佛山市高明区杨和金属材料专业镇技术创新中心 A kind of electric umbrella of induction type survey
CN109077402A (en) * 2018-06-29 2018-12-25 佛山市高明区杨和金属材料专业镇技术创新中心 A kind of umbrella

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108828299A (en) * 2018-06-29 2018-11-16 佛山市高明区杨和金属材料专业镇技术创新中心 A kind of electric umbrella of induction type survey
CN109077402A (en) * 2018-06-29 2018-12-25 佛山市高明区杨和金属材料专业镇技术创新中心 A kind of umbrella
CN108828299B (en) * 2018-06-29 2020-05-05 佛山市高明区杨和金属材料专业镇技术创新中心 Induction type electricity-measuring umbrella

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