CN206945872U - A kind of resistor box resistance broken thread detector - Google Patents

Abstract

The utility model discloses a kind of resistor box resistance broken thread detector; its structure includes main body, footing, portable, wind, cover plate, glass panel, dial, gauge outfit lid, E binding posts, L binding posts, protection ring, E test bars, L test bars, Surge Protector; the bottom of main body at the top of footing with being fixedly connected; main body is mutually perpendicular to footing; the both sides of body top are respectively provided with portable; it is portable to have 2; it is portable to be located above footing; cover plate is connected at the top of main body; cover plate is connected with gauge outfit cover hinge, and cover plate is connected with glass panel.A kind of resistor box resistance broken thread detector of the present utility model; Surge Protector is provided with the detection means; when the interference in the external world produces peak current or voltage suddenly; Surge Protector can turn on shunting within the extremely short time; so as to avoid infringement of the surge to other equipment in loop, use is safer.

Description

A kind of resistor box resistance broken thread detector

Technical field

The utility model is a kind of resistor box resistance broken thread detector, belongs to resistor box resistance broken thread detector neck Domain.

Background technology

Resistor box, generator neutral point high resistance ground, with restricted grounding current, prevent the harm of various overvoltage.It is neutral The sensitivity that point fault current limitation to appropriate value, can improve relay protection by resistance-grounded system acts on tripping operation, together When make the only possible generation in trouble point is local slightly to burn again, transient overvoltage is restricted to normal line voltage voltage to neutral 2.6 times, restriking for electric arc is limited, prevents arc gap overvoltage damage main equipment, while can effectively prevent that ferromagnetic resonance is excessively electric Pressure, so as to ensure the safe operation of generator.

Prior art discloses a kind of resistor box resistance broken thread detector, including：Switch input signal device, small letter Number collector, voltage comparator, earth current collector and signal processor；The switch input signal device input and resistance Disconnecting switch auxiliary circuit in cabinet is connected, and output end is connected with the input of signal processor；The tiny signal is adopted Storage input is connected with the measurement winding of resistor box, and output end is connected with voltage comparator；The tiny signal collection The earth terminal of device is connected with earth current collector；The voltage comparator input is connected with tiny signal collector, Output end is connected with signal processor；The survey of the earth current collector input and tiny signal collector and resistor box Amount winding is connected, and output end is connected with signal processor.But prior art can not produce point suddenly to the interference in the external world Peak current or voltage are shunted, and have certain infringement to resistor box and detection means.

Utility model content

In view of the deficienciess of the prior art, a kind of resistor box resistance broken thread detector of the present utility model, its structure Including main body, footing, portable, wind, cover plate, glass panel, dial, gauge outfit lid, E binding posts, L binding posts, protection ring, E test bars, L test bars, Surge Protector, the bottom of the main body at the top of footing with being fixedly connected, the main body and footing Be mutually perpendicular to, the both sides of the body top be respectively provided with it is portable, it is described it is portable have 2, described portable above footing, institute State and cover plate is connected at the top of main body, the cover plate is connected with gauge outfit cover hinge, and the cover plate is connected with glass panel, described Glass panel is above dial, and the dial is connected with subject activity, and the wind is located at the right side of main body, institute State main body to be flexibly connected with wind, the left side of the main body is provided with E binding posts, L binding posts, protection ring, the L binding posts Positioned at the centre of E binding posts and protection ring, the E binding posts are located at the left side of L binding posts, the E binding posts, L binding posts with Dial is connected by electrically connecting, and the E test bars, L test bars electrically connect with E binding posts, the activity of L binding posts respectively, described Surge Protector is located at the inside of main body, and the Surge Protector is with E binding posts, L binding posts, dial by being electrically connected in succession Connect, the Surge Protector is made up of red copper wire, lightning-proof chip, base, copper safety plate, indicator, spring, protecting frame, institute State base with protecting frame gap to coordinate, the indicator is connected with protecting frame, and one end activity of the protecting frame and spring is even Connect, the other end of the spring is connected with indicator, and the indicator is located at below copper safety plate, and the copper safety plate is with referring to Show that device is flexibly connected, one end of the red copper wire is connected to lightning-proof chip, and the other end and the protecting frame of the red copper wire connect Connect, the lightning-proof chip, red copper wire respectively have 2 and more than, the base and E binding posts, L binding posts, dial pass through electricity Connection connection.

Further, the E test bars are made up of E test bars joint, E test bars chuck, E detection lines, the E test bars Joint is connected by E detection lines with E test bar chucks.

Further, the E test bars joint is flexibly connected with E binding posts.

Further, the L test bars are made up of L test bars joint, L test bars chuck, L detection lines, the L detections Rod joint is connected by L detection lines with L test bar chucks.

Further, the L test bars joint is flexibly connected with L binding posts.

Further, it is described portable using 304 stainless steels, there is good anti-etch-proof performance of getting rusty.

Further, the base uses fire-retardant PBT plastic material, have intensity height, fatigue durability, dimensionally stable, Creep is also small, heat-resistant aging, excellent insulating property.

A kind of resistor box resistance broken thread detector of the present utility model, the detection means is interior to be provided with Surge Protector, when When extraneous interference produces peak current or voltage suddenly, Surge Protector can turn on shunting within the extremely short time, so as to Avoid infringement of the surge to other equipment in loop, use is safer.

Brief description of the drawings

By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural representation of resistor box resistance broken thread detector of the present utility model.

Fig. 2 is a kind of structural representation of the Surge Protector of resistor box resistance broken thread detector of the present utility model.

Fig. 3 is that a kind of structure of the E test bars and L test bars of resistor box resistance broken thread detector of the present utility model is shown It is intended to.

In figure：Main body -1, footing -2, portable -3, wind -4, cover plate -5, glass panel -6, dial -7, gauge outfit lid - 8th, E binding posts -9, L binding posts -10, protection ring -11, E test bars -12, L test bars -13, Surge Protector -14, red copper are led Line -1401, lightning-proof chip -1402, base -1403, copper safety plate -1404, indicator -1405, spring -1406, protecting frame - 1407th, E test bars joint -1201, E test bars chuck -1202, E detection lines -1203, L test bars joint -1301, L test bars Chuck -1302, L detection lines -1303.

Embodiment

Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below With reference to embodiment, the utility model is expanded on further.

Fig. 1-Fig. 3 is referred to, the utility model provides a kind of resistor box resistance broken thread detector：Its structure includes main body 1st, footing 2, portable 3, wind 4, cover plate 5, glass panel 6, dial 7, gauge outfit lid 8, E binding posts 9, L binding posts 10, protection Ring 11, E test bars 12, L test bars 13, Surge Protector 14, the bottom of the main body 1 are fixedly connected with the top of footing 2, institute State main body 1 to be mutually perpendicular to footing 2, the both sides at the top of the main body 1, which are respectively provided with portable 3, described portable 3, there are 2, described portable 3 above footing 2, and the top of the main body 1 is connected to cover plate 5, the cover plate 5 and the hinge connection of gauge outfit lid 8, the lid Plate 5 is connected with glass panel 6, and above dial 7, the dial 7 connects the glass panel 6 with the activity of main body 1 Connect, the wind 4 is located at the right side of main body 1, and the main body 1 is flexibly connected with wind 4, is set on the left side of the main body 1 There are E binding posts 9, L binding posts 10, protection ring 11, the L binding posts 10 are located at the centre of E binding posts 9 and protection ring 11, the E Binding post 9 is located at the left side of L binding posts 10, and the E binding posts 9, L binding posts 10 are connected with dial 7 by electrically connecting, described E test bars 12, L test bars 13 electrically connect with E binding posts 9, the activity of L binding posts 10 respectively, and the Surge Protector 14 is located at master The inside of body 1, the Surge Protector 14 is with E binding posts 9, L binding posts 10, dial 7 by electrically connecting connection, the surge Protector 14 is by red copper wire 1401, lightning-proof chip 1402, base 1403, copper safety plate 1404, indicator 1405, spring 1406th, protecting frame 1407 forms, and the base 1403 coordinates with the gap of protecting frame 1407, the indicator 1405 and protecting frame 1407 are connected, and the protecting frame 1407 is flexibly connected with one end of spring 1406, the other end of the spring 1406 and instruction Device 1405 is connected, and the indicator 1405 is located at below copper safety plate 1404, the copper safety plate 1404 and indicator 1405 Be flexibly connected, one end of the red copper wire 1401 is connected to lightning-proof chip 1402, the other end of the red copper wire 1401 with Protecting frame 1407 connects, the lightning-proof chip 1402, red copper wire 1401 respectively have 2 and more than, the base 1403 and E wiring Post 9, L binding posts 10, dial 7 are connected by electrically connecting, and the E test bars 12 are pressed from both sides by E test bars joint 1201, E test bars First 1202, E detection lines 1203 form, and the E test bars joint 1201 passes through the phase of E detection lines 1203 and E test bars chuck 1202 Connection, the E test bars joint 1201 are flexibly connected with E binding posts 9, and the L test bars 13 are by L test bars joint 1301, L Test bar chuck 1302, L detection lines 1303 are formed, and the L test bars joint 1301 is pressed from both sides by L detection lines 1303 and L test bars First 1302 are connected, and the L test bars joint 1301 is flexibly connected with L binding posts 10., described portable 3 use 304 stainless steels Matter, there is good anti-etch-proof performance of getting rusty, the base 1403 uses fire-retardant PBT plastic material, have intensity it is high, Fatigue durability, dimensionally stable, creep are also small, heat-resistant aging, excellent insulating property.

Surge Protector 14 described in the utility model, is also lightning protection device, is that one kind is various electronic equipments, instrument instrument Table, communication line provide the electronic installation of security protection.When unexpected because of extraneous interference in electric loop or communication line When producing peak current or voltage, Surge Protector can turn on shunting within the extremely short time, so as to avoid surge to loop The infringement of middle other equipment.

When user wants to use a kind of resistor box resistance broken thread detector of the present utility model, the first step, thing Whether the assembling of all parts of first check device is firm, and whether detection means being capable of normal use；Second step, can in device In the case of normal use, E test bars joint 1201 is connected with E binding posts 9, by L test bars joint 1301 and L binding posts 10 Connection；E test bars chuck 1202 is grounded, L test bars chuck 1302 is clamped to the resistance of resistor box；3rd step, shakes clockwise Hand lever 4, such as dial 7 points to certain numerical value in the regular hour, but the resistance refers to O without broken string, such as dial 7, i.e., Resistance breaks.Its protective resistance cabinet of Surge Protector 14 and device is without prejudice in the process.Such as：Mr. Zhang uses should Device carries out the detection of resistor box resistance broken string.

Main body 1 of the present utility model, footing 2, portable 3, wind 4, cover plate 5, glass panel 6, dial 7, gauge outfit lid 8th, E binding posts 9, L binding posts 10, protection ring 11, E test bars 12, L test bars 13, Surge Protector 14, red copper wire 1401, Lightning-proof chip 1402, base 1403, copper safety plate 1404, indicator 1405, spring 1406, protecting frame 1407, E test bar joints 1201st, E test bars chuck 1202, E detection lines 1203, L test bars joint 1301, L test bars chuck 1302, L detection lines 1303, the part that part is universal standard part or those skilled in the art know, its structure and principle are all this technology personnel It can be learnt by technical manual or be known by normal experiment method, the utility model solves the problems, such as can not be to the external world Interference produces peak current suddenly or voltage is shunted, and has certain infringement, this practicality to resistor box and detection means New being combined with each other by above-mentioned part, when the interference in the external world produces peak current or voltage suddenly, Surge Protector Shunting can be turned within the extremely short time, so as to avoid infringement of the surge to other equipment in loop, use is safer, specifically such as It is lower described：

Surge Protector 14 is by red copper wire 1401, lightning-proof chip 1402, base 1403, copper safety plate 1404, indicator 1405th, spring 1406, protecting frame 1407 form, and the base 1403 coordinates with the gap of protecting frame 1407, the indicator 1405 Be connected with protecting frame 1407, the protecting frame 1407 is flexibly connected with one end of spring 1406, the spring 1406 it is another End is connected with indicator 1405, and the indicator 1405 is located at below copper safety plate 1404, and the copper safety plate 1404 is with referring to Show that device 1405 is flexibly connected, one end of the red copper wire 1401 is connected to lightning-proof chip 1402, the red copper wire 1401 The other end is connected with protecting frame 1407, the lightning-proof chip 1402, red copper wire 1401 respectively have 2 and more than, the base 1403 are connected with E binding posts 9, L binding posts 10, dial 7 by electrically connecting.

First company base 1403 coordinates with the gap of protecting frame 1407, and base uses fire-retardant PBT plastic material, company B bottom Seat 1403 excessively coordinates with protecting frame 1407, and base uses fire-retardant ABS plastic material.

First company built-up time is 60min, and device service life is 20 years, and fire-retardant PBT plastic material has excellent Insulating properties.

Company B's built-up time is 90min, and device service life is 15 years, and the electrical insulating property of ABS plastic material is preferable, but Not as fire-retardant PBT plastic material.

A kind of resistor box resistance broken thread detector of the present utility model in summary, between base 1403 and protecting frame 1407 Gap coordinates, and base uses fire-retardant PBT plastic material, has an excellent insulating properties, and use is safer.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation It is required that.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (5)

1. a kind of resistor box resistance broken thread detector, its structure includes main body（1）, footing（2）, it is portable（3）, wind（4）、 Cover plate（5）, glass panel（6）, dial（7）, gauge outfit lid（8）, E binding posts（9）, L binding posts（10）, protection ring（11）, E inspection Survey rod（12）, L test bars（13）, Surge Protector（14）, it is characterised in that：

The main body（1）Bottom and footing（2）Top be fixedly connected, the main body（1）With footing（2）It is mutually perpendicular to, institute State main body（1）The both sides at top are respectively provided with portable（3）, it is described portable（3）There are 2, it is described portable（3）Located at footing（2）It is upper Face, the main body（1）Top be connected to cover plate（5）, the cover plate（5）With gauge outfit lid（8）Hinge connection, the cover plate（5） With glass panel（6）It is connected, the glass panel（6）Located at dial（7）Above, the dial（7）With main body（1） It is flexibly connected, the wind（4）It is located at main body（1）Right side, the main body（1）With wind（4）It is flexibly connected, the master Body（1）Left side be provided with E binding posts（9）, L binding posts（10）, protection ring（11）, the L binding posts（10）Positioned at E binding posts （9）With protection ring（11）Centre, the E binding posts（9）It is located at L binding posts（10）The left side, the E binding posts（9）, L connects Terminal（10）With dial（7）Connected by electrically connecting, the E test bars（12）, L test bars（13）Respectively with E binding posts （9）, L binding posts（10）Activity electrical connection, the Surge Protector（14）Located at main body（1）Inside, the Surge Protector （14）With E binding posts（9）, L binding posts（10）, dial（7）Connected by electrically connecting；

The Surge Protector（14）By red copper wire（1401）, lightning-proof chip（1402）, base（1403）, copper safety plate （1404）, indicator（1405）, spring（1406）, protecting frame（1407）Composition, the base（1403）With protecting frame（1407） Gap coordinates, the indicator（1405）With protecting frame（1407）It is connected, the protecting frame（1407）With spring（1406）'s One end is flexibly connected, the spring（1406）The other end and indicator（1405）Connection,

The indicator（1405）It is located at copper safety plate（1404）Below, the copper safety plate（1404）With indicator（1405） It is flexibly connected, the red copper wire（1401）One end be connected to lightning-proof chip（1402）, the red copper wire（1401）It is another One end and protecting frame（1407）Connection, the lightning-proof chip（1402）, red copper wire（1401）Respectively have 2 and more than, the bottom Seat（1403）With E binding posts（9）, L binding posts（10）, dial（7）Connected by electrically connecting.

A kind of 2. resistor box resistance broken thread detector according to claim 1, it is characterised in that：The E test bars （12）By E test bar joints（1201）, E test bar chucks（1202）, E detection lines（1203）Composition, the E test bars joint （1201）Pass through E detection lines（1203）With E test bar chucks（1202）It is connected.

A kind of 3. resistor box resistance broken thread detector according to claim 2, it is characterised in that：The E test bars connect Head（1201）With E binding posts（9）It is flexibly connected.

A kind of 4. resistor box resistance broken thread detector according to claim 1, it is characterised in that：The L test bars （13）By L test bar joints（1301）, L test bar chucks（1302）, L detection lines（1303）Composition, the L test bars joint （1301）Pass through L detection lines（1303）With L test bar chucks（1302）It is connected.

A kind of 5. resistor box resistance broken thread detector according to claim 4, it is characterised in that：The L test bars connect Head（1301）With L binding posts（10）It is flexibly connected.