CN110047712A - A kind of intellectual monitoring air switch - Google Patents
A kind of intellectual monitoring air switch Download PDFInfo
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- CN110047712A CN110047712A CN201910441707.9A CN201910441707A CN110047712A CN 110047712 A CN110047712 A CN 110047712A CN 201910441707 A CN201910441707 A CN 201910441707A CN 110047712 A CN110047712 A CN 110047712A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 230000009471 action Effects 0.000 claims abstract description 15
- 230000008520 organization Effects 0.000 claims abstract description 10
- 230000008033 biological extinction Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000007257 malfunction Effects 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/06—Distinguishing marks, e.g. colour coding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention discloses a kind of intellectual monitoring air switches, including temperature testing organization；Current sample mechanism；Short trouble testing agency, the one end for being set to the close shell of magnetictrip are short-circuit to judge whether to occur by judging magnetictrip current action state；Safety guard plate: protection handle is able to detect whether cover is opened while will not be touched unintentionally；Handle state indication mechanism: being shone by LED light so that it is eye-catching to switch current state mark.The beneficial effects of the present invention are: short trouble testing agency is arranged in the side of magnetictrip, when short circuit, magnetic core movement, second connecting rod can touch travel switch, to send external equipment for the signal of short circuit by travel switch, staff is made explicitly to know that short circuit occurs for circuit；Safety guard plate is arranged in external in shell, and protection handle can be used in whether decision circuitry occurs overload fault while will not being not intended to touch.
Description
Technical field
The present invention relates to air switch field, specifically a kind of intellectual monitoring air switch.
Background technique
Air switch is called air-break circuit-breaker, is a kind of when the switch that electric current overrate disconnects automatically in circuit.
Integrate control and multi-protective function, other than basic division circuit function, moreover it is possible to carry out to load short circuits, overload etc.
Protection.
According to National Energy Board in recent years to the future plan of electric power development, it is desirable that electric power safety development, intelligent and high-efficiency change
Leather innovation, so be accordingly guiding, compared to traditional air switch Shortcomings equal in the following areas:
1. the cable temperature of liang terminals is uncertain, existing by installing cable temperature measuring equipment additional in the outside of terminals, but
Be air switch external pelivimetry terminals temperature detection numerical value it is not accurate enough, and additional equipment can also occupy exceptional space；
Whether 2. can not directly judge the switch state of handle, can only be worked judgement by load, can if load faulty
Cause error in judgement；
3. air switch disconnects automatically when circuit malfunctions, people can not judge circuit overloads or short circuit, institute
Corresponding measure can not be taken, debugging ircuit fault and can not overhaul in real time；
It is exposed on the external 4. existing air switch handle is naked, handle may be by external disturbance (such as child's touching or object
Hit) change switch state, for needing the place of continued power, there is the possibility that switch misses touching in existing structure；
5. the function that existing air switch only has circuit to open and close, can not determine the size of circuital current.
Summary of the invention
The purpose of the present invention is to solve the above problems, devise a kind of intellectual monitoring air switch.
Realize above-mentioned purpose the technical scheme is that, a kind of intellectual monitoring air switch, including connect with External cable
The connecting terminal that connects, the thrermostatic bimetal-plate for overload protection, is used as switch the magnetictrip for short-circuit protection
Switching-on mechanism, fast arc extinction mechanism and the shell for installing all components, further includes: temperature testing organization: it is set to described connect
The side of line terminals is for monitoring electrified wire Current Temperatures temperature rise；Current sample mechanism: the connecting terminal and institute are set to
The Current Mutual Inductance between fast arc extinction mechanism by electrified wire is stated so that it is determined that electrified wire current flow size；Short trouble
Testing agency: one end close to the shell of the magnetictrip is set to by judging magnetictrip current action shape
State is to judge whether that short circuit occurs；Safety guard plate: the hull outside and position corresponding with the switching-on mechanism are set to
It sets, protection handle is able to detect whether cover is opened while will not be touched unintentionally；Handle state indication mechanism: it is set to
The position of display switch state on the handle is shone by LED light so that switch current state mark is eye-catching；Information collection electricity
Road plate: being set between the connecting terminal and the fast arc extinction mechanism, and passes through conducting wire with others detection control mechanism
Connection, for the power supply for all testing agencies.
Further, the magnetictrip includes for conductive solenoid and the magnetic for being plugged in solenoid center
Core, the short trouble testing agency include be set to the magnetic core tail portion and be in contact with it first connecting rod, be set to it is described
In shell and the reset button that can be pressed by hull outside, second connecting of being set between first connecting rod and reset button
Bar, the travel switch for being set to second connecting rod head position, the second connecting rod can touch travel switch when rotating.
Further, the tail portion of the magnetic core is provided with T-type clamp, and one end of the first connecting rod is provided with and the T
The corresponding square groove of type clamp, and its other end is provided with convex block, the middle part aperture of the first connecting rod and is plugged on the shell
Fixed link on and can be freely rotated along the fixed link, the magnetic core along its axis direction act when can pass through the T-type clamp
The square groove is driven, and then rotates the first connecting rod, the side of the reset button is provided with reduction torsion spring, the reset
Button can be sprung back after being pressed under the action of the reduction torsion spring, one end of the second connecting rod and be connect with the first connecting rod
The position of touching offers groove corresponding with the convex block, and its other end is provided with and sticks up platform with what the reset button cooperated,
It the middle part aperture of the second connecting rod and is plugged in the fixed link of the shell, and is also plugged with overturning in the fixed link
Torsional spring, the second connecting rod keep squeezing the trend of first connecting rod under the elastic force effect of the overturning torsional spring.
Further, one end of the information acquisition circuit plate is provided with external-connected port, and the external-connected port extends to institute
It states outside shell, the power supply supply for other control mechanisms that the information acquisition circuit plate is connect with its conducting wire is by described external
Port, the interior conducting wire with air switch are not connected to.
Further, the temperature testing organization includes temperature sensor, and there are two the temperature sensors, and sets respectively
It is placed in the side of two connecting terminal conductive sheets, the Current Temperatures of conductive sheet are detected by contactless temperature-measuring sensor.
Specifically, the current sample mechanism includes current transformer, the current transformer, which is worn, to be connect in the terminals
Subconductivity on piece.
Further, the safety guard plate includes cover, is set to described cover one end and grafting on the housing
Shaft, be set to the cover other end and can by the fixed back-off on the housing of cover, be fixed on the shell
The contact switch of internal and close cover position is fixed on the pressure switched on the inner surface of the cover for push contact
Block, the cover in off position when can touch always the contact switch by the briquetting, when the cover is in open shape
When state, the briquetting can be detached from the contact switch with the cover.
Specifically, the cover is transparent, it is provided in the shaft in compressive state for automatically springing open opening for cover
Lid torsional spring, on the cover and position ipsilateral with the back-off are fixed with to stir back-off and separate it with the shell
Slide block.
Further, the handle state indication mechanism includes the transparent marking being set on the handle lateral wall, sets
It is placed in the handle and lamp holder corresponding with the position of the transparent marking, the LED light that is set on lamp holder, wherein institute
It states transparent marking and the lamp holder is two and corresponds, the lamp holder has in the same time and only one is lighted.
Preferably, the color difference of two transparent markings or the LED light is for distinguishing different display states, institute
State the rotary middle spindle of handle be it is non-circular, be provided with and be fixed on the shell for being described on the outside of the end face of the handle
The junction block of LED light power supply, the quantity of the junction block is one, when the handle rotates, wherein the one of two lamp holders
It is a to contact to light the LED light with the junction block.
The beneficial effect is that 1. by being respectively set temperature sensor in the side of two connecting terminals, it can be real-time
Monitor the temperature temperature rise situation of conducting wire.The current temperature signal of cable can be changed by electricity using non-contact temperature sensor
Signal, when cable overload heat production increases, can learn cable to understand cable temperature in real time by external equipment in time
Temperature rise can also compare the temperature of two connecting terminal cables, judge air switch whether circuit abnormality because sensor is set
It sets inside air switch, conductor temperature testing result is more accurate, and will not occupy excessive space.
2. being provided with handle state indication mechanism on handle, transparent marking is set to shine to more eye-catching by LED light.
Conventional is identified by a color box to distinguish handle state, but on the one hand identifies small, it is not easy to see, on the other hand
Known to the non-masses of the meaning of color identifier, ordinary people is difficult to correctly judge.And handle state indication mechanism of the invention, transparent
The text opened a sluice gate and closed a floodgate can be coated with or engraved into mark, so that transparent marking is shone by red or green LED light, text
The current state of handle can be clearly identified while word is high-visible under the occasion of dim light.
3. in the side of magnetictrip, short trouble testing agency is set, when short circuit, magnetic core movement, second connecting rod meeting
Travel switch is touched, to send external equipment for the signal of short circuit by travel switch, knows that staff explicitly
Short circuit occurs for circuit.Short circuit can cause magnetic core to act, and the T-type clamp of magnetic core tail portion can drive first connecting rod to turn by square groove
Dynamic, second connecting rod rotates under the action of turnover spring immediately, and convex block hangs together with groove button while touching travel switch,
Once travel switch is touched, then the external world just will receive the signal of short circuit, and due to the convex block of first connecting rod and second
The concave block of connecting rod, which is buckled, to hang together, moreover it is possible to avoid before fault excludes, closing switch is touched unintentionally, detonator circuit danger
Danger.
4. current transformer is arranged in the conductive sheet position of connecting terminal, thus the current value in detection circuit, electric current is passed
It mutual inductance can go out mutual inducing current in the coil of current transformer during defeated, by measuring mutual inductance current value, electricity can be deduced
The size of road present current value understands the current current strength of circuit convenient for people, and passes through the measuring and calculating load of Current Voltage value
The power of consumption.
5. safety guard plate is arranged in external in shell, protection handle can be used in judgement electricity while will not being not intended to touch
Whether road occurs overload fault.Cover in off position when, contact switch is touched with briquetting always, and contact switch persistently generates letter
Number, i.e., by judging whether contact switch has signal generation to can determine whether cover is opened；When down circuitry, illustrate hand
Handle is artificially disconnected or circuit malfunctions automatically power off, and first judges whether cover is opened at this time, if be not turned on, explanation
Be that fault automatically powers off, then judge be because why failure, if short-circuit signal is not present, i.e., travel switch is not touched
It touches, then can be determined that circuit overloads failure, in order to further determine judging result, circuit temperature rise situation can be observed, if
Obvious temperature rise occurs for circuit or conductor temperature is higher, then may determine that overload fault occurs for current circuit.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is positive structure diagram of the invention；
Fig. 3 is the structural schematic diagram after present invention dismounting air switch existing structure；
Fig. 4 is another viewing angle constructions schematic diagram of Fig. 3；
Fig. 5 is temperature testing organization structure arrangement schematic diagram of the invention；
Fig. 6 is current sample mechanism structure schematic diagram of the invention；
Fig. 7 is current sample mechanism structure explosive view of the invention；
Fig. 8 is the present invention in addition to short trouble testing agency, removes the schematic diagram of other structures；
Fig. 9 is the structural schematic diagram of the short trouble testing agency action state one of Fig. 8；
Figure 10 is the structural schematic diagram of the short trouble testing agency action state two of Fig. 8；
Figure 11 is the structural schematic diagram of the short trouble testing agency action state three of Fig. 8；
Figure 12 is safety guard plate closed state structural schematic diagram of the invention；
Figure 13 is safety guard plate open state structural schematic diagram of the invention；
Figure 14 is handle state indication mechanism structural schematic diagram of the invention；
Figure 15 is handle arrangement schematic diagram of the invention；
In figure, 1, connecting terminal；2, magnetictrip；201, solenoid；202, magnetic core；2021, T-type clamp；3, heat is double
Sheet metal；4, switching-on mechanism；5, shell；6, temperature testing organization；601, temperature sensor；7, current sample mechanism；701, electric
Current transformer；8, short trouble testing agency；801, first connecting rod；8011, square groove；8012, convex block；802, reset button；
8021, reduction torsion spring；803, second connecting rod；8031, groove；8032, platform is stuck up；8033, torsional spring is overturn；804, travel switch；9,
Safety guard plate；901, cover；902, shaft；903, it is buckled to；904, contact switch；905, briquetting；906, it uncaps torsional spring；907,
Slide block；10, handle state indication mechanism；101, transparent marking；102, lamp holder；103, LED light；104, two contacts；105,
Junction block；11, information acquisition circuit plate；111, external-connected port.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in figures 1-15, a kind of intellectual monitoring air switch, packet
Include the connecting terminal 1 being connect with External cable, for the magnetictrip 2 of short-circuit protection, for the thermo bimetal of overload protection
Piece 3, switching-on mechanism 4, fast arc extinction mechanism and the shell 5 for installing all components used as switch, further includes: temperature inspection
Survey mechanism 6, current sample mechanism 7, short trouble testing agency 8, safety guard plate 9, handle state indication mechanism 10 and information
Collecting circuit board 11.
As illustrated in figs. 8-11, the short trouble testing agency 8 is set to the close shell of the magnetictrip 2
5 one end judges whether that short circuit occurs by judging 2 current action state of magnetictrip；The magnetictrip 2 wraps
Include for conductive solenoid 201 and be plugged in the magnetic core 202 of 201 center of solenoid, the short trouble testing agency 8
Including be set to 202 tail portion of magnetic core and be in contact with it first connecting rod 801, be set in the shell 5 and can pass through
The reset button 802 that presses outside shell 5, is set the second connecting rod 803 being set between first connecting rod 801 and reset button 802
It is placed in the travel switch 804 of 803 head position of second connecting rod, the second connecting rod 803 can touch travel switch 804 when rotating.
As shown in figs. 9-11, the tail portion of the magnetic core 202 is provided with T-type clamp 2021, one end of the first connecting rod 801
It is provided with square groove 8011 corresponding with the T-type clamp 2021, and its other end is provided with convex block 8012, the first connecting rod
It 801 middle part aperture and is plugged in the fixed link of the shell 5 and can be freely rotated along the fixed link, 202 edge of magnetic core
Its axis direction can drive the square groove 8011 by the T-type clamp 2021 when acting, and then make 801 turns of the first connecting rod
Dynamic, the side of the reset button 802 is provided with reduction torsion spring 8021, and the reset button 802 can be described multiple after being pressed
It is sprung back under the action of the torsional spring 8021 of position, one end of the second connecting rod 803 and position contacted with the first connecting rod 801 opens up
There is groove 8031 corresponding with the convex block 8012, and its other end is provided with and sticks up platform with what the reset button 802 cooperated
8032, it the middle part aperture of the second connecting rod 803 and is plugged in the fixed link of the shell 5, and in the fixed link also
It is plugged with overturning torsional spring 8033, the second connecting rod 803 keeps squeezing first under the elastic force effect of the overturning torsional spring 8033
The trend of connecting rod 801.
It should be noted that the original intention that short trouble testing agency 8 designs has two, first, conventional air switch can not
Distinguish it is circuit overloads or short circuit when circuit disconnects, timely reply also can not be just carried out to fault and is checked；
Second, existing partial air switch has the function of automatic closing, and when short circuit failure, air switch is after a certain time
Automatic closing can be attempted, thus guarantee the normal use of electric power, but this can have a hidden danger, if staff is just at this time
It is overhauled to circuit or equipment, circuit is connected suddenly, will necessarily cause danger；So being based on above-mentioned two o'clock, such as Fig. 9-11
It is shown, the specific work process of the short trouble testing agency 8 is illustrated: when state shown in Fig. 9 is without short circuit
Action state, when short circuit, the movement of magnetictrip 2 (the short-circuit protection mechanism of its manner of execution and regular air switch
It is identical), magnetic core 202 moves right together with T-type clamp 2021, and T-type clamp 2021 stirs the square groove 8011 of first connecting rod 801, makes
First connecting rod 801 rotates counterclockwise, since second connecting rod 803 pushes first connecting rod 801, institute always under the action of turnover spring
With first connecting rod 801 rotate when, second connecting rod 803 can rotate counterclockwise therewith, until first connecting rod 801 convex block 8012 with
The groove 8031 of second connecting rod 803 hangs together, and in 803 rotation process of second connecting rod, head can contact and stir stroke
Switch 804, travel switch 804 send the signal to information acquisition circuit plate 11, illustrate that short circuit has occurred in circuit, while in structure
On blocked by second connecting rod 803 due to first connecting rod 801, first connecting rod 801 can not turn round clockwise, also allow for magnetic core 202
Can not automatic rebounding, thus guarantee in a short-circuit situation air switch will not automatic closing, so far, complete short-circuit protection mechanism
(i.e. state shown in Fig. 9 to Figure 10)；When short trouble excludes, when needing to restore electricity, manpower is resetted in the external pressing of shell 5
Button 802, the whereabouts of reset button 802 pressing second connecting rod 803 stick up platform 8032, turn round second connecting rod 803 clockwise, and second
Connecting rod 803 can stir travel switch 804 during turning round again, so that external equipment is received the signal of short-circuit protection releasing, together
When first connecting rod 801 rotation it is unrestricted (so far, for Figure 11 shown in state), magnetic core 202 springs back (conventional electromagnetic buckle releaser 2
Magnetic core 202 in be provided with spring, 202 springback process of magnetic core is completed by the spring), complete short circuit unlock (returns to shape shown in Fig. 9
State).
About setting short trouble testing agency 8, the generation of short-circuit signal is completed by mechanical structure, rather than passes through electric current
Mutual inductor 701 observes current peak to infer that the situation of short circuit is illustrated: reason has two: 1. current peaks.It is sent out in short circuit
Raw moment, the electric current in circuit can increase moment, the current value considerably beyond the measurement range of current transformer 701,
Therefore short circuit can not be inferred by the current value of current transformer 701；2. the reaction time.Existing air switch is sent out in short circuit
It when raw, can make a response in the short time of 2~8ms, cut off circuit, and during this period of time, current transformer 701 can not be made
Response, when it being waited to respond out result, circuit is already off, and testing result is no current in circuit at this time, and circuit breaker can not push away
Disconnected is open circuit caused by overload or short circuit.So in the present invention setting of short trouble testing agency 8 be very it is necessary to.
Wherein, as in Figure 3-5, the side that the temperature testing organization 6 is set to the connecting terminal 1 is used to monitor logical
Why electric lead Current Temperatures temperature rise will detect the conductor temperature of air switch, be because in industrial fire, by
The electric power fire caused by overload or short circuit accounts for very big specific gravity, and electric power fire will necessarily cause conductor temperature liter before occurring
Height, so issuing and reminding when temperature rise is excessively high, the generation of most of electric power fire can be prevented by the temperature of monitoring conducting wire；
The temperature testing organization 6 includes temperature sensor 601, and there are two the temperature sensors 601, and is respectively arranged at two institutes
The side for stating 1 conductive sheet of connecting terminal detects the Current Temperatures of conductive sheet by contactless temperature-measuring sensor, and by the temperature
The considerations of signal passes through conducting wire in the form of electric current and is transmitted on the information acquisition circuit plate 11, is distributed for physical location,
For convenience of narration, the temperature sensor 601 in the orientation with reference to shown in Fig. 5, left side can be directly welded on circuit board, the temperature on right side
Sensor 601 is spent since distance can connect on circuit boards farther out by conducting wire, it should be noted that uses contactless survey
Temperature sensor is to damage the temperature transducer in order to avoid in circuit overloads, conducting wire is brought rapidly up.
As shown in Fig. 3,4,6,7, the current sample mechanism 7 is set to the connecting terminal 1 and the fast arc extinction machine
Between structure, by the Current Mutual Inductance of electrified wire so that it is determined that electrified wire current flow size；The current sample mechanism 7 is wrapped
Current transformer 701 is included, the current transformer 701, which is worn, to be connect on 1 conductive sheet of connecting terminal, meeting in electric current transmission process
Mutual inductance goes out mutual inducing current in the coil of current transformer 701, and by measuring mutual inductance current value, it is currently electric can to deduce circuit
The size of flow valuve, while the current signal being transported in the information acquisition circuit plate 11, and then is transmitted in external equipment
It has been shown that, for the ease of fixation, avoids the wobble effects measurement result when in use of current transformer 701, can be incited somebody to action with epoxy resin
Current transformer 701 is packaged together with the conductive sheet where it.
As illustrated by figs. 12-13, the safety guard plate 9 is set to outside the shell 5 and corresponding with the switching-on mechanism 4
Position, protection handle is able to detect whether cover 901 is opened while will not be touched unintentionally；The safety guard plate 9
Including cover 901, the shaft 902 for being set to described 901 one end of cover and being plugged on the shell 5, it is set to the cover
5 inside of shell and close is fixed in 901 other ends and the back-off 903 that can be fixed on cover 901 on the shell 5
The contact switch 904 of 901 position of cover is fixed on the inner surface of the cover 901 for push contact switch 904
Briquetting 905, the cover 901 in off position when can touch always the contact switch 904 by the briquetting 905, work as institute
State cover 901 in the open mode, the briquetting 905 can be detached from the contact switch 904 with the cover 901.The cover
901 is transparent, and the display state of handle can be observed through cover 901, is provided in the shaft 902 and is used in compressive state
It automatically springs open the torsional spring 906 of uncapping of cover 901, is fixed on the cover 901 and with 903 ipsilateral positions of the back-off and is convenient for
Stir the slide block 907 that back-off 903 keeps it isolated with the shell 5.
The effect of the safety guard plate 9 is in addition to being able to detect cover 901 while protection handle will not be touched unintentionally
Whether it is opened outer, moreover it is possible to cooperate other mechanisms to infer whether circuit occurs overload fault, process is that cover 901 is being closed
When state, contact switch 904 is touched with briquetting 905 always, and contact switch 904 persistently generates signal, i.e., by judging that contact is opened
Close whether 904 have signal generation to can determine whether cover 901 is opened；When down circuitry, illustrate that handle is artificially disconnected
Or circuit malfunctions automatically power off, and first judge whether cover 901 is opened at this time, if be not turned on, explanation is circuit event
Barrier automatically powers off, then judge be because why failure, if short-circuit signal is not present, i.e., travel switch 804 is not touched, then
It can be determined that circuit overloads failure, in order to further determine judging result, circuit temperature rise situation can be observed, if circuit is sent out
Raw obvious temperature rise or conductor temperature are higher, then may determine that overload fault occurs for current circuit.
For purposes of illustration only, now expressing its deterministic process by way of table: table 1 is that circuit state infers display table,
In, " √ " indicates that the process occurs, and "×" indicates that there is no "-" expression does not need the state to the process.
Table 1. is that circuit state infers display table
| Circuit state | Load condition | Short circuit | Cover | Overload |
| Normally | × | - | - | - |
| Short circuit | √ | √ | - | - |
| Artificially open a sluice gate | √ | × | √ | - |
| Overload | √ | × | × | √ |
As seen from the above table:
Circuit is normal: load equipment normal operation, and each mechanism does not have distinctive signal to show in air switch；
Short circuit: load equipment operation troubles, short trouble testing agency issue short-circuit signal；
Artificially open a sluice gate: load equipment operation troubles, safety guard plate issue cover and are opened signal；
Circuit overloads: load equipment operation troubles without short circuit and artificially opens a sluice gate to happen, and infers circuit overloads.
As shown in Fig. 1,2,14,15, the handle state indication mechanism 10 is set to display switch state on the handle
Position, by LED light 103 shine so that switch current state identify it is eye-catching；The handle state indication mechanism 10 includes setting
The transparent marking 101 that is placed on the handle lateral wall is set in the handle and the position phase with the transparent marking 101
Corresponding lamp holder 102, the LED light 103 being set on lamp holder 102, wherein the transparent marking 101 is with the lamp holder 102
Two and one-to-one correspondence, the lamp holder 102 has in the same time and only one is lighted, and the side of the lamp holder 102 is provided with
Two contacts 104.The color difference of two transparent markings 101 or the LED light 103 is for distinguishing different display shapes
State, the rotary middle spindle of the handle be it is non-circular, reclosing can be matched on the outside of the present invention to control opening for handle
It closes, is provided with and is fixed on the shell 5 for the junction block for the LED light 103 power supply on the outside of the end face of the handle
105, the quantity of the junction block 105 is one, when the handle rotates, two lamp holders 102 one of them with it is described
The contact of junction block 105 is to light the LED light 103, and when handle rotates backward, the LED light 103 lighted is detached from junction block
105, another LED light 103 contact junction block 105 is lit, and the power supply of LED light 103 is by junction block 105 and information
Collecting circuit board 11 connects, which is externally supplied by air switch.
As shown in Figure 3-4, the information acquisition circuit plate 11 is set to the current sample mechanism 7 and the fast arc extinction
It between mechanism, and is connect with others detection control mechanism by conducting wire, for the power supply for all testing agencies.The information
One end of collecting circuit board 11 is provided with external-connected port 111, and the external-connected port 111 extends to outside the shell 5, the information
The power supply supply for other control mechanisms that collecting circuit board 11 is connect with its conducting wire is by the external-connected port 111, with air
Switch interior conducting wire be not connected to, circuit board can use pcb board, and the pcb board for electrically independent, pass through external-connected port 111
It is introduced from outside into, is not connect with the conducting wire inside air switch.
Working principle:
Mode of connection of the invention is identical as regular air switch wire connection mode, and conducting wire is accessed connecting terminal 1 from outside
, it is different on shell 5 of the invention there are an external-connected port 111, is used to connect with external devices, and then monitors
The working condition of circuital current.Wherein, the working principle of each testing agency are as follows:
Conductor temperature detection: by the temperature transducer in temperature testing organization 6, the real-time temperature of conductive sheet can be measured
Degree；
Current in wire value:, can be in electric current in electric current transmission process by the current transformer 701 in current sample mechanism 7
Mutual inductance goes out mutual inducing current in the coil of mutual inductor 701, by measuring mutual inductance current value, can deduce circuit present current value
Size；
Short circuit failure: by short trouble testing agency 8, short circuit can cause magnetic core 202 to act, magnetic core 202
The T-type clamp 2021 of tail portion can drive first connecting rod 801 to rotate by square groove 8011, and second connecting rod 803 is in turnover spring immediately
Under the action of rotate, touch travel switch 804 while convex block 8012 and groove 8031 detain hang together, travel switch 804 1
Denier is touched, then the extraneous signal that just will receive short circuit, and due to the convex block of first connecting rod 801 8012 and second connecting rod
803 concave block button hangs together, moreover it is possible to avoid before fault excludes, closing switch is touched unintentionally, detonator circuit danger
Danger；
Circuit is artificially interfered or overload fault: speculating that cover 901 is being closed by the open/close states of safety guard plate 9
When state, contact switch 904 is touched with briquetting 905 always, and contact switch 904 persistently generates signal, i.e., by judging that contact is opened
Close whether 904 have signal generation to can determine whether cover 901 is opened；When down circuitry, illustrate that handle is artificially disconnected
Or circuit malfunctions automatically power off, and first judge whether cover 901 is opened at this time, if be not turned on, explanation is circuit event
Barrier automatically powers off, then judge be because why failure, if short-circuit signal is not present, i.e., travel switch 804 is not touched, then
It can be determined that circuit overloads failure, in order to further determine judging result, circuit temperature rise situation can be observed, if circuit is sent out
Raw obvious temperature rise or conductor temperature are higher, then may determine that overload fault occurs for current circuit；
Handle open/close states are shown: by handle state indication mechanism 10, can be coated with or be engraved on transparent marking 101
At the text (as shown in figs. 14-15) opened a sluice gate with closed a floodgate, transparent marking 101 is set to shine by red or green LED light 103,
The current state of handle can be clearly identified while text is high-visible under the occasion of dim light.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of intellectual monitoring air switch, including connect with External cable connecting terminal, for short-circuit protection electromagnetism it is de-
Button device, for overload protection thrermostatic bimetal-plate, as switch use switching-on mechanism, fast arc extinction mechanism and install all zero
The shell of component, which is characterized in that further include:
Short trouble testing agency: one end close to the shell of the magnetictrip is set to by judging electromagnetic trip
Device current action state is to judge whether that short circuit occurs；
Information acquisition circuit plate: being set between the connecting terminal and the fast arc extinction mechanism, and controls with others detection
Mechanism processed is connected by conducting wire, for the power supply for all testing agencies.
2. a kind of intellectual monitoring air switch according to claim 1, which is characterized in that the magnetictrip includes using
In conductive solenoid and the magnetic core for being plugged in solenoid center, the short trouble testing agency is described including being set to
Magnetic core tail portion and the first connecting rod being in contact with it, be set in the shell and can by the reset that hull outside presses by
Button, the second connecting rod being set between first connecting rod and reset button, the travel switch for being set to second connecting rod head position, institute
Travel switch can be touched when stating second connecting rod rotation.
3. a kind of intellectual monitoring air switch according to claim 2, which is characterized in that the tail portion of the magnetic core is provided with
T-type clamp, one end of the first connecting rod is provided with square groove corresponding with the T-type clamp, and its other end is provided with convex block,
It the middle part aperture of the first connecting rod and is plugged in the fixed link of the shell and can be freely rotated around the fixed link, the magnetic
Core can drive the square groove by the T-type clamp when acting along its axis direction, and then rotate the first connecting rod, described
The side of reset button is provided with reduction torsion spring, and the reset button can return after being pressed under the action of the reduction torsion spring
Bullet, one end of the second connecting rod and and the position that contacts of the first connecting rod offer groove corresponding with the convex block, and
Its other end, which is provided with, sticks up platform with reset button cooperation, the middle part aperture of the second connecting rod and is plugged on the shell
Fixed link on, and overturning torsional spring is also plugged in the fixed link, elastic force of the second connecting rod in the overturning torsional spring
The lower trend for keeping squeezing first connecting rod of effect.
4. a kind of intellectual monitoring air switch according to claim 1, which is characterized in that the information acquisition circuit plate
One end is provided with external-connected port, and the external-connected port extends to outside the shell, and the information acquisition circuit plate and its conducting wire connect
By the external-connected port, the interior conducting wire with air switch is not connected to for the power supply supply of other control mechanisms connect.
5. a kind of intellectual monitoring air switch according to claim 1, which is characterized in that further include: temperature testing organization:
The side of the connecting terminal is set to for monitoring electrified wire Current Temperatures temperature rise；
Current sample mechanism: it is set to mutual by the electric current of electrified wire between the connecting terminal and the fast arc extinction mechanism
Sense is so that it is determined that electrified wire current flow size；
Safety guard plate: it is set to the hull outside and position corresponding with the switching-on mechanism, protection handle will not be by nothing
It is able to detect whether cover is opened while meaning touching；
Handle state indication mechanism: being set to the position of display switch state on the handle, is shone by LED light so that switching
Current state mark is eye-catching.
6. a kind of intellectual monitoring air switch according to claim 5, which is characterized in that the temperature testing organization includes
Temperature sensor, there are two the temperature sensors, and is respectively arranged at the side of two connecting terminal conductive sheets, passes through
The Current Temperatures of contactless temperature-measuring sensor detection conductive sheet；The current sample mechanism includes current transformer, the electricity
Current transformer, which is worn, to be connect on the conductive sheet of the connecting terminal.
7. a kind of intellectual monitoring air switch according to claim 5, which is characterized in that the safety guard plate includes cover
Body is set to described cover one end and grafting shaft on the housing, is set to the cover other end and can be by cover
The enclosure interior and the contact switch close to cover position, fixation are fixed in the fixed back-off on the housing of body
On the inner surface of the cover for push contact switch briquetting, the cover in off position when can pass through the briquetting
Always touch the contact switch, when the cover in the open mode, the briquetting can be detached from the contact with the cover
Switch.
8. a kind of intellectual monitoring air switch according to claim 7, which is characterized in that the cover is transparent, and described turn
It is provided on axis and is used to automatically spring open the torsional spring of uncapping of cover in compressive state, it is on the cover and ipsilateral with the back-off
Position is fixed with to stir the slide block that back-off separates it with the shell.
9. a kind of intellectual monitoring air switch according to claim 5, which is characterized in that the handle state indication mechanism
Including be set on the handle lateral wall transparent marking, be set in the handle and position phase with the transparent marking
Corresponding lamp holder, the LED light being set on lamp holder, wherein the transparent marking and the lamp holder are two and correspond,
The lamp holder has in the same time and only one is lighted, and there are two contacts for the side setting of the lamp holder.
10. a kind of intellectual monitoring air switch according to claim 9, which is characterized in that two transparent markings or
The color difference of the LED light is non-circular, the hand for distinguishing different display states, the rotary middle spindle of the handle
It is provided with and is fixed on the shell for the junction block for LED light power supply, the number of the junction block on the outside of the end face of handle
Amount is one, and when the handle rotates, one of them of two lamp holders is contacted with the junction block thus by the LED
Lamp is lighted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441707.9A CN110047712A (en) | 2019-05-24 | 2019-05-24 | A kind of intellectual monitoring air switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441707.9A CN110047712A (en) | 2019-05-24 | 2019-05-24 | A kind of intellectual monitoring air switch |
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| Publication Number | Publication Date |
|---|---|
| CN110047712A true CN110047712A (en) | 2019-07-23 |
Family
ID=67283472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910441707.9A Pending CN110047712A (en) | 2019-05-24 | 2019-05-24 | A kind of intellectual monitoring air switch |
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| Country | Link |
|---|---|
| CN (1) | CN110047712A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180274A (en) * | 2020-02-11 | 2020-05-19 | 广东电网有限责任公司 | Low-voltage air switch with protective cover |
| CN114420511A (en) * | 2022-03-03 | 2022-04-29 | 许昌学院 | Automatic reclosing device for circuit breaker |
| CN114446734A (en) * | 2022-01-19 | 2022-05-06 | 中群电气有限公司 | Reusable intelligent circuit breaker |
| CN117117776A (en) * | 2023-07-28 | 2023-11-24 | 北京华电瑞通电力工程技术有限公司 | Safety protection self-outage assembly for power engineering service and protection method |
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| CN201266583Y (en) * | 2008-07-07 | 2009-07-01 | 湖北盛佳电器设备有限公司 | Circuit breaker with over current self-locking function |
| CN105826142A (en) * | 2016-05-13 | 2016-08-03 | 俊朗电气有限公司 | Circuit breaker for preventing misoperation after short circuit |
| CN209729844U (en) * | 2019-05-24 | 2019-12-03 | 苏州鳗鱼电气有限公司 | A kind of intellectual monitoring air switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0963453A (en) * | 1995-08-22 | 1997-03-07 | Fuji Electric Co Ltd | Leakage trip device for earth leakage breaker |
| CN201266583Y (en) * | 2008-07-07 | 2009-07-01 | 湖北盛佳电器设备有限公司 | Circuit breaker with over current self-locking function |
| CN105826142A (en) * | 2016-05-13 | 2016-08-03 | 俊朗电气有限公司 | Circuit breaker for preventing misoperation after short circuit |
| CN209729844U (en) * | 2019-05-24 | 2019-12-03 | 苏州鳗鱼电气有限公司 | A kind of intellectual monitoring air switch |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180274A (en) * | 2020-02-11 | 2020-05-19 | 广东电网有限责任公司 | Low-voltage air switch with protective cover |
| CN114446734A (en) * | 2022-01-19 | 2022-05-06 | 中群电气有限公司 | Reusable intelligent circuit breaker |
| CN114420511A (en) * | 2022-03-03 | 2022-04-29 | 许昌学院 | Automatic reclosing device for circuit breaker |
| CN117117776A (en) * | 2023-07-28 | 2023-11-24 | 北京华电瑞通电力工程技术有限公司 | Safety protection self-outage assembly for power engineering service and protection method |
| CN117117776B (en) * | 2023-07-28 | 2024-05-28 | 北京华电瑞通电力工程技术有限公司 | Safety protection self-outage assembly for power engineering service and protection method |
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