CN105277911A - High voltage circuit breaker arc extinguish chamber simulating system and tester evaluating system - Google Patents
High voltage circuit breaker arc extinguish chamber simulating system and tester evaluating system Download PDFInfo
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- CN105277911A CN105277911A CN201510837649.3A CN201510837649A CN105277911A CN 105277911 A CN105277911 A CN 105277911A CN 201510837649 A CN201510837649 A CN 201510837649A CN 105277911 A CN105277911 A CN 105277911A
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- static contact
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- breaker
- circuit breaker
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Abstract
The invention discloses a high voltage circuit breaker arc extinguish chamber simulating system, which comprises an electric conductive support barrel, a fixed contact head electric conductive support frame, a fixed contact head electric conductive fixing plate, a fixed contact head and a moving contact head, wherein the electric conductive support frame is supported by the electric conductive support barrel and the electric conductive support frame is fixedly connected to the electric conductive support barrel; the fixed contact head electric conductive fixing plate is fixed on the top portion of the electric conductive support frame through an insulating fixation member; the fixed contact head is fixed on the fixed contact head electric conductive fixing plate through the electric conductive fixing member; a lower end of the fixed contact head is a contact finger; the moving contact head is facing to the contact finger by sequentially penetrating through the electric conductive support barrel in a vertically upward way; in addition, the invention also provides a high voltage circuit breaker tester evaluating system; when the high voltage circuit breaker arc extinguish chamber simulating system is in use, the high voltage circuit breaker tester evaluating system cooperates with a standard operation mechanism with known mechanical property parameters for evaluating and testing various circuit breaker movement property testers.
Description
Technical field
The present invention relates to breaker technical field, especially relate to a kind of high-voltage breaker explosion chamber simulation system and tester evaluating system.
Background technology
Along with the development of society; the safe reliability of people to electric system is more and more higher; primary cut-out (or claim high-voltage switch gear) it not only can cut off or no-load current in closed high circuit and load current; it has quite perfect arc extinguishing structure and enough cutout abilities; in electric system, be responsible for the dual role of control and protection, the quality of its performance is directly connected to the safe operation of electric system.Mechanical property parameter is then one of important parameter judging primary cut-out performance.Primary cut-out mainly comprises two large divisions: operating mechanism and arc-chutes, because the mechanical property of primary cut-out is mainly determined by operating mechanism performance, little with the arc-chutes correlativity of primary cut-out, the arc-chutes contact just played in arc-chutes divides, close feedback signal to primary cut-out tester for testing operating characteristics one when closing a floodgate
At present, instrument as measurement mechanical characteristic of high-voltage circuit breaker is breaker operating characteristic tester, it is of a great variety, quality ginseng is secondary uneven, and will expect true and reliable primary cut-out performance evaluation, is necessary the test platform built for testing various breaker operating characteristic tester.If directly buy a primary cut-out to be used for test, expensive, and the price of arc-chutes just accounts for about 3/4 of isolating switch price.
Therefore, for cost consideration, be necessary that the easy arc-chutes analogue means of design one is in above-mentioned test platform.
Summary of the invention
The invention provides a kind of high-voltage breaker explosion chamber simulation system, coordinate existing operating mechanism, build high voltage breaker simulator, constitute a kind of breaker operating characteristic tester evaluating system, for realizing the object to various breaker operating characteristic tester assessment and test.Technical scheme is as follows:
A kind of high-voltage breaker explosion chamber simulation system, comprise conductive supporting cylinder, static contact conductive supporting frame, static contact conduction fixed head, static contact and moving contact, described static contact is hollow circular-tube.Described conductive supporting cylinder comprises conduction upper backup pad and conduction bottom plate, and described conduction upper backup pad supports and is fixedly connected with described conductive supporting frame.Described static contact conduction fixed head is fixed by the top of insulating fixing piece and described conductive supporting frame, described static contact pass vertically through described static contact conduction fixed head center pit, be fixed on described static contact by conduction fixture and conduct electricity on fixed head, and described static contact lower end is fingertip.Described moving contact is straight up successively through described conduction bottom plate and the center pit of upper backup pad and relative with described fingertip of conducting electricity.
Preferably, in above-mentioned high-voltage breaker explosion chamber simulation system, described conduction bottom plate is lower mounting flange, and conduction upper backup pad is upper pivot flange.
Preferably, in above-mentioned high-voltage breaker explosion chamber simulation system, described insulating fixing piece comprises insulation spacer and two groups of bolt assemblies, described insulation spacer is by described bolt assembly pad and symmetry is fixed on the both sides up and down of described static contact conduction fixed head, and described lower-side insulation pad is between described static contact conduction fixed head and the top of described conductive supporting frame.
Preferably, in above-mentioned high-voltage breaker explosion chamber simulation system, described static contact be top with externally threaded hollow circular-tube, described conduction fixture is two fastening bolts, and described fastening bolt coordinates with described static contact, lay respectively at described static contact conducts electricity the both sides of fixed head.
In addition, present invention also offers a kind of Testing Instrument for High Voltage Circuit-breaker evaluating system, comprise breaker operating characteristic tester, circuit breaker operation mechanism and as any one high-voltage breaker explosion chamber simulation system above-mentioned.Described conduction bottom plate is fixed on the external conductive casing of operating mechanism by coupling bolt, and the output shaft of described circuit breaker operation mechanism is connected with the lower end of described moving contact straight up.The Time measuring channel positive pole of described breaker operating characteristic tester is connected with the top of described static contact, and the Time measuring channel negative pole of described breaker operating characteristic tester is connected with the earth terminal of operating mechanism.
From above technical scheme, Testing Instrument for High Voltage Circuit-breaker evaluating system provided by the invention, due to the high-voltage breaker explosion chamber simulation system used, after energising, except the static contact be connected with positive pole, support tube from bottom to up, bracing frame are conductor, and all by the external conductive casing ground connection of operating mechanism.Work as trigger mechanism, output shaft promotes moving contact upwards, the static contact clamping corresponding to top.And because there has been the fingertip of static contact bottom, make both clamping efficiently and accuratelies more.Now, the positive and negative polarities of the time test passage of tester for testing operating characteristics form closed-loop path by the clamping of static contact and moving contact, the course of work of feedback signal can be divided, be closed to tester for testing operating characteristics when closing a floodgate to this process by the contact in the arc-chutes of high voltage breaker simulator, that is the operating mechanism of the known mechanical characterisitic parameter of analogue means matching standard provided by the invention, may be used for completely forming a kind of breaker operating characteristic tester evaluating system, for realizing the object to various breaker operating characteristic tester assessment and test.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required for embodiment is briefly described, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the high-voltage breaker explosion chamber simulation system that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the static contact that Fig. 2 provides for the embodiment of the present invention;
The working state schematic representation of the breaker operating characteristic tester evaluating system that Fig. 3 provides for the embodiment of the present invention.
Wherein:
1-conductive supporting cylinder, 2-coupling bolt, mounting flange under 3-, the upper pivot flange of 4-, 5-conductive supporting frame, 6-moving contact, 7-static contact, 8-fastening bolt, 9-static contact conduction fixed head, 10-bolt assembly, 11-external thread, 12-fingertip, 13-circuit breaker operation mechanism, 14-output shaft, 15-breaker operating characteristic tester, 16-positive pole, 17-negative pole, 18-insulation spacer.
Embodiment
Embodiments provide a kind of high-voltage breaker explosion chamber simulation system, coordinate existing operating mechanism, build high voltage breaker simulator, constitute the breaker operating characteristic tester evaluating system that a kind of the present invention provides in addition, for realizing the object to various breaker operating characteristic tester assessment and test.
Technical scheme in this explanation is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in this explanation embodiment, technical scheme in this explanation embodiment is clearly and completely described, obviously, described embodiment is only that this illustrates a part of embodiment, instead of whole embodiments.Based on the embodiment in this explanation, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of this explanation protection.
Please refer to Fig. 1, this figure is the structural representation of the high-voltage breaker explosion chamber simulation system that the embodiment of the present invention provides.As shown in Figure 1, comprise conductive supporting cylinder 1, also have static contact conductive supporting frame 5, static contact conduction fixed head 9, static contact 7 and moving contact 6, described static contact is hollow circular-tube.Described conductive supporting cylinder 1 comprises conduction upper backup pad and conduction bottom plate, and described conduction upper backup pad supports and is fixedly connected with described conductive supporting frame 5.Described static contact conduction fixed head 9 is fixed by the top of insulating fixing piece and described conductive supporting frame 5, described static contact 7 pass vertically through described static contact conduction fixed head 9 center pit, by conduction fixture be fixed on described static contact conduction fixed head 9 on, that is between static contact 7 and conductive supporting frame 5 for insulate.Incorporated by reference to reference to figure 2, this figure is the structural representation of the static contact that the embodiment of the present invention provides, described static contact 7 lower end is fingertip 12, fingertip is enclosed by independently shell fragment and forms, and described moving contact 6 is straight up successively through described conduction bottom plate and the center pit of upper backup pad and relative with described fingertip 12 of conducting electricity.Because there has been the fingertip 12 of static contact 7 bottom, make the clamping efficiently and accurately more of static contact 7 and moving contact 6.
High-voltage breaker explosion chamber simulation system in technique scheme, after energising, except with except static contact, support tube from bottom to up, bracing frame all can conductings.Incorporated by reference to reference to figure 3, this figure is the working state schematic representation of a kind of Testing Instrument for High Voltage Circuit-breaker evaluating system that the embodiment of the present invention provides, comprise breaker operating characteristic tester 15, circuit breaker operation mechanism 13 and above-mentioned primary cut-out arc extinguishing arc chamber analogue means, described conduction bottom plate is fixed on by coupling bolt 2 on the external conductive casing of operating mechanism 13, and the output shaft 14 of described circuit breaker operation mechanism 13 is connected with the lower end of described moving contact 6 straight up.The Time measuring channel positive pole 16 of described breaker operating characteristic tester 15 is connected with the top of described static contact 7, the Time measuring channel negative pole 17 of described breaker operating characteristic tester 15 is connected with the earth terminal of operating mechanism 13, by the external conductive casing of operating mechanism, be equivalent to except static contact, the equal ground connection of above-mentioned analogue means.
Work as trigger mechanism, output shaft 14 promotes moving contact 6 upwards, static contact 7 clamping corresponding to top.Now, the positive and negative polarities of the time test passage of tester for testing operating characteristics 15 form closed-loop path by the clamping of static contact and moving contact, this process can be divided by the contact in the arc-chutes of high voltage breaker simulator, close the course of work of feedback signal to tester for testing operating characteristics during combined floodgate, that is analogue means provided by the invention can substitute the arc-chutes in isolating switch, the operating mechanism of the known mechanical characterisitic parameter of matching standard, form a kind of breaker operating characteristic tester evaluating system, for realizing the object to various breaker operating characteristic tester assessment and test, the investment cost of arc-chutes can be reduced so greatly, great saving testing cost.From technique scheme, analogue means structure provided by the invention is simple, can according to the size of the prefabricated coupling of the type design of operating mechanism, and is arranged on easily and efficiently in mechanism and uses.
Moving contact 6 is upwards comparatively large with the strength of fingertip 12 clamping, and in order to ensure the steadiness of the connection between above-mentioned analogue means and operating structure 13, described conduction bottom plate is lower mounting flange 3, and conduction upper backup pad is upper pivot flange 4.For the same reason, ensure that static contact 7 is firm under the thrust of moving contact 6, can be designed as the top of described static contact 7 with external thread 11, conduction fixture is two fastening bolts 8, and described fastening bolt 8 matches with described external thread 11, lay respectively at described static contact conducts electricity the both sides of fixed head 9.As can be seen, conductor support cylinder 1 is cylinder type hollow cylinder, and closed support tube is for security consideration equally, during the desired trajectory preventing moving contact 6 from departing from straight up, causes danger.
Earth-free in order to ensure static contact 7, specifically can adopt following insulation mode: described insulating fixing piece comprises insulation spacer 18 and two groups of bolt assemblies 10, described bolt assembly 10 is by described insulation spacer 18 pad and symmetry is fixed on the both sides up and down of described static contact conduction fixed head 9, and described lower-side insulation pad 18 is between described static contact conduction fixed head 9 and the top of described conductive supporting frame 5.The present invention does not limit and only adopts above-mentioned insulation mode.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a high-voltage breaker explosion chamber simulation system, it is characterized in that, comprise conductive supporting cylinder (1), static contact conductive supporting frame (5), static contact conduction fixed head (9), static contact (7) and moving contact (6), described static contact (7) is hollow circular-tube;
Described conductive supporting cylinder (1) comprises conduction upper backup pad and conduction bottom plate, and described conduction upper backup pad supports and is fixedly connected with described conductive supporting frame (5);
Described static contact conduction fixed head (9) is fixed by the top of insulating fixing piece and described conductive supporting frame (5), described static contact (7) pass vertically through described static contact conduction fixed head (9) center pit, be fixed on described static contact by conduction fixture and conduct electricity on fixed head (9), and described static contact (7) lower end is fingertip (12);
Described moving contact (6) is straight up successively through described conduction bottom plate and the center pit of upper backup pad and relative with described fingertip (12) of conducting electricity.
2. high-voltage breaker explosion chamber simulation system according to claim 1, is characterized in that, described conduction bottom plate is lower mounting flange (3), and conduction upper backup pad is upper pivot flange (4).
3. high-voltage breaker explosion chamber simulation system according to claim 1, it is characterized in that, described insulating fixing piece comprises insulation spacer (18) and two groups of bolt assemblies (10), described bolt assembly (10) by described insulation spacer (18) pad and symmetry be fixed on described static contact conduction fixed head (9) both sides up and down, described lower-side insulation pad (18) be positioned at described static contact conduction fixed head (9) and the top of described conductive supporting frame (5) between.
4. high-voltage breaker explosion chamber simulation system according to claim 1, it is characterized in that, the top of described static contact (7) is with external thread (11), described conduction fixture is two fastening bolts (8), and described fastening bolt (8) matches with described external thread (11), lay respectively at described static contact conducts electricity the both sides of fixed head.
5. a Testing Instrument for High Voltage Circuit-breaker evaluating system, it is characterized in that, comprise breaker operating characteristic tester (15), circuit breaker operation mechanism (13) and as the high-voltage breaker explosion chamber simulation system as described in arbitrary in claim 1-4
Described conduction bottom plate is fixed on the external conductive casing of operating mechanism (13) by coupling bolt (2), and the output shaft (14) of described circuit breaker operation mechanism (13) is connected with the lower end of described moving contact (6) straight up;
The Time measuring channel positive pole (16) of described breaker operating characteristic tester (15) is connected with the top of described static contact (7), and the Time measuring channel negative pole (17) of described breaker operating characteristic tester (15) is connected with the earth terminal of operating mechanism (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510837649.3A CN105277911B (en) | 2015-11-26 | 2015-11-26 | High-voltage breaker explosion chamber simulation system and tester assessment system |
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| CN201510837649.3A CN105277911B (en) | 2015-11-26 | 2015-11-26 | High-voltage breaker explosion chamber simulation system and tester assessment system |
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| CN105277911A true CN105277911A (en) | 2016-01-27 |
| CN105277911B CN105277911B (en) | 2018-09-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572583A (en) * | 2016-03-10 | 2016-05-11 | 保定市水木电器设备有限公司 | Spring operating mechanism detection device |
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| CN105277911B (en) | 2018-09-11 |
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