CN1312950A - Circuit breaker with live-state information measuring instrument - Google Patents
Circuit breaker with live-state information measuring instrument Download PDFInfo
- Publication number
- CN1312950A CN1312950A CN99809781A CN99809781A CN1312950A CN 1312950 A CN1312950 A CN 1312950A CN 99809781 A CN99809781 A CN 99809781A CN 99809781 A CN99809781 A CN 99809781A CN 1312950 A CN1312950 A CN 1312950A
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- China
- Prior art keywords
- circuit breaker
- iron core
- information measuring
- measuring device
- electrifying information
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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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
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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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
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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
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
- H01H71/125—Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
- H01H2011/0068—Testing or measuring non-electrical properties of switches, e.g. contact velocity measuring the temperature of the switch or parts thereof
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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
- H01H71/08—Terminals; Connections
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
A conductor is fastened to a terminal part of the body of a circuit breaker by means of a fastening member. A live-state information measuring instrument includes a Hall device for sensing the magnetic flux generated by the current flowing through the conductor and converting it to an electric signal, a contact piece provided in contact with the conductor and adapted to measure the phase voltage, an electronic circuit unit for arithmetically operating the phase voltage signal and the electric signal outputted from the Hall device, and output means for outputting the results of the arithmetic operation. The live-state information measuring instrument is detachable provided to the terminal part. Even a circuit breaker not incorporating any current transformer can allow live-state information fed to a load protected by the body of the circuit breaker to be indicated.
Description
Technical field
The present invention relates to a kind of circuit breaker with the electrifying information measuring device, described circuit breaker has the electrifying information measuring device that is installed on this circuit breaker, shows or collect the electrifying information that is used to be supplied in the load that this circuit breaker protects.
Background technology
Figure 15 is the end view of the circuit breaker of band electrifying information measuring device shown in Japanese patent laid-open 11-8930 communique, in the past.Figure 16 is the circuit structure block diagram of Figure 15.In the drawings, 1 is breaker body, and 2 is the energising leading body to electric, and 3 is the switching contact that the load current that flows to energising leading body 2 is switched, and 4 is the current transformer that the load current that flows to the leading body 2 of switching on is detected.
5 is the rectification circuit that rectification is carried out in the output of current transformer 4,6 make voltage transformation for the output voltage of self-rectifying circuit in the future, carry out after the A/D conversion process, the peak value translation circuit that the instantaneous maximum of the load current that flows to energising leading body 2 is detected, 7 is when the output of peak value translation circuit 6 surpasses institute's definite value, the instantaneous timing circuit of output signal, 8 is the short duration circuit, this circuit is with the following level of work output of instantaneous timing circuit 7, size according to 6 outputs of peak value translation circuit is carried out inverse time-delay operation, output signal.
9 for to carry out voltage transformation to the output that comes self-rectifying circuit 5, do after the A/D conversion process, obtain being equivalent to flowing to the effective value translation circuit of effective value of the load current of energising leading body 2,10 are long timing circuit, this circuit is according to the size of the output of effective value translation circuit 9, when rated current, breaker body 1 is not opened circuit; When rated current is above, make inverse time-delay operation, output signal.11 is circuits for triggering, after this circuit receives signal from the arbitrary circuit in instantaneous timing circuit 7, short duration circuit 8 and the long timing circuit 10, by solenoid 12, cuts off opening and closing contact 3, disconnects the energising to load.
13 are the early warning testing circuit, and this circuit is exported to early warning output circuit 14 with the rated current value that is lower than rated current slightly, and early warning display lamp 15 is lighted, the notification payload electric current forces breaker body 1 to disconnect, by the disconnection action of breaker body 1, advance notice has a power failure, and prevents to have a power failure to take place suddenly.16 is with the control power supply of early warning display lamp 15 power circuit from external power source 17 conversion.
18 is different with the current transformer 4 that is used for detection of excessive current, flow to the instrumentation current transformer of the load current of each energising leading body 2 for detection.19 for being used to detect the transformer of the voltage between the energising leading body 2.Instrumentation is built in the inside of breaker body 1 with current transformer 18 and transformer 19.20 is the electrifying information measuring device, and 21 will be the electric current A/D translation circuit of numeral output with the simulation output transform of current transformer 18 from instrumentation for being used for, 22 voltage A/D translation circuits for being used for exporting for numeral from the simulation output transform of transformer 19.This output signal by cable 24, with the display part 23 of signal conveys above being installed on breaker body 1, shows the electrifying information that is supplied to load after being handled by mlultiplying circuit and summation circuit.
Put down in writing a kind of circuit breaker that detects load current by Hall element on the Japanese patent laid-open 9-198989 communique again.
On the circuit breaker that has the electrifying information measuring device in the past of structure, be the instrumentation load current as mentioned above, be necessary in advance instrumentation to be installed on current transformer 18 inside of breaker body 1.Again, electrifying information measuring device 20 must be installed on the top or side of breaker body 1, and need be used to connect the cable 24 of breaker body 1 and electrifying information measuring device 20.Consequent problem is: overall dimension increases, simultaneously, and cost up.
The present invention addresses the above problem and does, the objective of the invention is: a kind of circuit breaker with the electrifying information measuring device is provided, above-mentioned circuit breaker needn't be in advance be installed on the inside of breaker body with instrumentation with current transformer, the electrifying information measuring device can be installed on its inside afterwards and instrumentation be set with on the circuit breaker of current transformer; Simultaneously, do not need to connect the cable of circuit breaker and electrifying information measuring device yet, can show the electrifying informations such as temperature, disconnection times of the voltage of supplying with the load that circuit breaker must protection, electric current, power, electric energy, trip bolt portion.
Invention discloses
The circuit breaker of band electrifying information measuring device of the present invention comprises: be used for the breaker body of switching load current, be anchored on the conductor of this breaker body portion of terminal by clamp structure, and have the electrifying information measuring device of box body portion; Described box body portion is built-in with and is used to detect the magnetic flux that is taken place by described load current, with its be transformed to the signal of telecommunication Hall element, be used for the signal of telecommunication to described Hall element and carry out the electronic circuit portion of calculation process and be used for output device above-mentioned operation result output; Near above-mentioned breaker body, releasably dispose or constitute above-mentioned electrifying information measuring device.
Again, the circuit breaker of band electrifying information measuring device of the present invention has the contact that contacts, is used to detect phase voltage with conductor or clamp structure, and the signal of telecommunication of detected voltage signal of this contact and Hall element carries out calculation process in electronic circuit portion.
Again, the circuit breaker of band electrifying information measuring device of the present invention has and is used for and will is directed to the 1st iron core of Hall element by the magnetic flux that load current took place and cooperates with the 1st iron core, the 2nd iron core of guiding magnetic flux.
Again, the 1st iron core that the circuit breaker of band electrifying information measuring device of the present invention will be directed to Hall element by the magnetic flux that load current took place is arranged on the breaker body, and will cooperate with the 1st iron core, and the 2nd iron core of guiding magnetic flux is accommodated in the box body portion.
Again, the circuit breaker of band electrifying information measuring device of the present invention system makes roughly コ word shape with the 1st iron core, and the 2nd iron core is arranged on above-mentioned the 1st iron core biend with leaving the space, in described gap Hall element is set.
Again, the circuit breaker of band electrifying information measuring device of the present invention system makes roughly コ word shape with the 1st iron core and the 2nd iron core, and the either side at the junction surface of described the 1st iron core and described the 2nd iron core leaves the gap, in described gap Hall element is set.
Again, the circuit breaker of band electrifying information measuring device of the present invention system makes to surround conductor shape ground by the outside of breaker body and engages the 1st iron core and the 2nd iron core.
Again, the circuit breaker of band electrifying information measuring device of the present invention system is accommodated in the 1st iron core separately in the box, and the 2nd iron core is accommodated in the box body portion, and described separately box is inserted in the embedded hole that is arranged in the described box body portion.
Again, the conductor in the circuit breaker of band electrifying information measuring device of the present invention has roughly コ word shape portion, and described roughly コ word shape portion does to surround the setting of Hall element shape ground.
Again, the circuit breaker of band electrifying information measuring device of the present invention system makes concaveconvex shape with the junction surface of the 1st iron core and the 2nd iron core.
Again, the circuit breaker of band electrifying information measuring device of the present invention is exported by output device by the temperature of contact instrumentation contact site.
Again, the circuit breaker of band electrifying information measuring device of the present invention system is arranged at vibrating sensor in the box, calculates the on-off action number of times of circuit breaker, is exported by output device.
The simple declaration of accompanying drawing
Fig. 1 is the stereogram of the circuit breaker of the band electrifying information measuring device in the example 1 of the present invention.
Fig. 2 is the cutaway view along the II shown in Fig. 1-II line.
Fig. 3 is the cutaway view along the III shown in Fig. 1-III line.
Fig. 4 is the exploded perspective view of major part of the circuit breaker of the band electrifying information measuring device in the example 2 of the present invention.
Fig. 5 is the circuit breaker position cutaway view identical with Fig. 2 of the band electrifying information measuring device in the example 2 of the present invention.
The circuit breaker position cutaway view identical of the band electrifying information measuring device in Fig. 6 example 2 of the present invention with Fig. 3.
Fig. 7 is after extracing electrifying information measuring device and conductor in the circuit breaker of the band electrifying information measuring device in the example 2 of the present invention, the stereogram of looking from load one side.
Fig. 8 is the part stereogram that concerns the position of conductor, the 1st iron core, the 2nd iron core, the 1st printed substrate and Hall element in the circuit breaker that shows the band electrifying information measuring device in the example 2 of the present invention.
Fig. 9 is the part enlarged drawing that concerns the position of the 1st iron core, the 2nd iron core, the 1st printed substrate and Hall element in the circuit breaker that shows the band electrifying information measuring device in the example 3 of the present invention.
Figure 10 is a trip bolt part stereogram nearby in the circuit breaker of the band electrifying information measuring device in the example 4 of the present invention.
Figure 11 is the circuit breaker position cutaway view identical with Fig. 2 of the band electrifying information measuring device of demonstration example 5 of the present invention.
Figure 12 is the stereogram of the relation of box body portion, the 1st iron core and the 2nd iron core of the circuit breaker of the band electrifying information measuring device of demonstration example 5 of the present invention.
Figure 13 is the enlarged drawing at the 1st iron core and the 2nd iron core junction surface in the circuit breaker of the band electrifying information measuring device of demonstration example 5 of the present invention.
Figure 14 is the circuit breaker position cutaway view identical with Fig. 2 of the band electrifying information measuring device of demonstration example 6 of the present invention.
Figure 15 is the end view of the circuit breaker of band electrifying information measuring device in the past.
Figure 16 is the block diagram of the circuit structure of Figure 15.
The optimal morphology that carries out an invention
Example 1
Fig. 1 is the stereogram of circuit breaker of the band electrifying information measuring device of example 1 of the present invention, and Fig. 2 is the cutaway view along II shown in Fig. 1-II line, and Fig. 3 is the cutaway view along the III shown in Fig. 1-III line.
In Fig. 1,1 is breaker body, and 30 is the electrifying information measuring device, and 31 are mounted on mounting screw on the breaker body 1 for being used for electrifying information measuring device 30.In Fig. 2 and Fig. 3,32 for being used to take in the box body portion of formation electrifying information measuring device 30, and this box body portion is formed by mold cassettes 32a with insulation property and lid 32b.33 is portion of terminal, is that distribution with load one side is connected in the part on the breaker body 1, and 34 is conductor, and by as the formed trip bolt 35 of the conductive material of clamp structure, is anchored on the portion of terminal 33.
38 is Hall element, is electrically connected on the 1st printed substrate 39a by soldering.39b is the 2nd printed substrate, and its surface (above Fig. 3) is equipped with the display 40 as output device, reaches the contact 41 on end in contact conductor 34 surfaces before being equipped with on its opposite side surface (Fig. 2 right side), and is arranged in the box body portion 32.
39c is the 3rd printed substrate, and being equipped with on it will be the voltage changer 42 that is used for the voltage signal handled in following electronic circuit portion from the signal transformation of contact 41 output.
39d is the 4th printed substrate, and its mounted on surface is useful on the electronic circuit portion 43 that forms electric current A/D translation circuit (not shown), voltage A/D translation circuit (not shown) etc.Again, the 1st printed substrate 39a, the 2nd printed substrate 39b, the 3rd printed substrate 39c and the 4th printed substrate 39d are electrically connected by jumper 44, and the circuit member that forms electronic circuit portion 43 also can be installed on the 1st printed substrate 39a, the 2nd printed substrate 39b and the 3rd printed substrate 39c.
The electrifying information measuring device 30 of Xing Chenging can easily be installed on the breaker body 1 by trip bolt 31 as mentioned above, and can be by following order, and metering records electrifying information.
When load current is energized to conductor 34 from portion of terminal 33, then according to Ampere's law, produce magnetic flux (shown in Fig. 3 A) on the circumferencial direction of conductor 34, this magnetic flux links with Hall element 38.Take place and the directly proportional voltage of the magnetic flux that links on the Hall element 38.By the 1st printed substrate 39a, import electric current A/D translation circuit not shown in the figures.On the other hand, its front end detects the voltage (phase voltage) that betides between each conductor 34 with the contact 41 that each conductor 34 surfaces contact, and imports voltage A/D translation circuit not shown in the figures.
Its result, electric current A/D translation circuit and voltage A/D translation circuit are handled input signal as above-mentioned technology in the past, and with voltage, electric current, the power of supply load, the electrifying information of electric energy, voltage application number of times etc. is shown on the display 40.
As mentioned above,, there is no need in advance instrumentation to be installed in the breaker body 1 with current transformer 18, can obtain need not the circuit breaker of the electrifying information measuring device of cable according to the circuit breaker that has the electrifying information measuring device of the present invention.
Again, be lower than on the portion of terminal 33 on surface (left direction of Fig. 2) of breaker body 1, therefore, can not protrude in surface one side of breaker body 1, can not form concavo-convex in appearance because electrifying information measuring device 30 is arranged at its position.Again, because box body portion 32 forms the section of L word shape, so, in box body portion 32, can take in the 1st printed substrate 39a and the 2nd printed substrate 39b effectively.Have again, 32 whiles and breaker body 1 and conductor 34 the two butt of box body portion, so, its excellent in stability.
Again, electrifying information measuring device 30 also can be arranged on the portion of terminal of power supply one side of breaker body 1.At this moment, even breaker body 1 is in off-state, also can detect voltage.
Again, be on the position that can detect the magnetic flux that is taken place by load current as Hall element 38, then above-mentioned electrifying information measuring device 30 also can be arranged on breaker body 1 position in addition.
Example 2
Fig. 4 is the exploded perspective view of major part of the circuit breaker of the band electrifying information measuring device in the example 2 of the present invention, Fig. 5 is the cutaway view of the circuit breaker position of band electrifying information measuring device of the invention process form 2 when identical with Fig. 2, Fig. 6 is the cutaway view of described circuit breaker position when identical with Fig. 3, Fig. 7 is after above-mentioned circuit breaker is extractd electrifying information measuring device and conductor, from the stereogram that load one side is looked, Fig. 8 is the conductor in the circuit breaker that shows the band electrifying information measuring device in the example 2 of the present invention, the 1st iron core, the 2nd iron core, the part stereogram that concerns the position of the 1st printed substrate and Hall element.
Among the figure, 36a is the 1st iron core, and this iron core is by magnetic, for example, formed by iron, described iron core has the openend 37 (being shown in Fig. 7) of the breaker body of being opened on 1 upper face side, form roughly コ word shape, and be arranged on the breaker body 1 with making to surround portion of terminal 33 and conductor 34 shapes.36b is the 2nd iron core, and this iron core is by magnetic, for example, formed by iron, described iron core engages with the 1st iron core 36a, is arranged at (see figure 8) in the box body portion 32, simultaneously, guarantee that the central position at the openend 37 of the 1st iron core 36a is formed with the space 37a of tight regulation.
So, the 1st iron core 36a and the 2nd iron core 36b form continuous magnetic circuit.Again, with above-mentioned example of the present invention 1 identical components or quite element numeral omit explanation with prosign.
The electrifying information measuring device 300 of Xing Chenging by trip bolt 31, can easily be installed on the breaker body 1 as mentioned above, and can be by following order, and metering records electrifying information.
When load current when portion of terminal 33 is led to conductor 34, then according to Ampere's law, produce magnetic flux on the circumferencial direction of conductor 34, flux concentrating has formed the 1st iron core 36a, the 2nd iron core 36b of magnetic circuit and has linked (shown in the B among Fig. 6) on conductor 34 circumferencial directions.This magnetic flux by with the linking of the Hall element 38 that is arranged at space 37a, and Hall element 38 is taken place and the directly proportional voltage of the magnetic flux that links, by the not shown electric current A/D translation circuit of the 1st printed substrate 39a input, then, by order, show electrifying information by display 40 as example 1.
The circuit breaker that has the electrifying information measuring device according to aforesaid the present invention, the magnetic flux that betides on the circumferencial direction of conductor 34 is concentrated by form the 1st iron core 36a, the 2nd iron core 36b of magnetic circuit on the circumferencial direction of conductor 34, and link with Hall element 38, thus, can be definitely the load current of the conductor 34 of flowing through be detected.
Again, the 1st iron core 36a and the 2nd iron core 36b also can form the roughly integrated shape of C word shape, and the 1st iron core 36a and the 2nd iron core 36b also can be arranged on any of breaker body 1 or box body portion 32.Example 3
Fig. 9 is the part enlarged drawing that concerns the position of the 1st iron core, the 2nd iron core, the 1st printed substrate 139a and Hall element in the circuit breaker of the band electrifying information measuring device of demonstration example 3 of the present invention.Among the figure, the 1st iron core 136a and the 2nd iron core 136b do series connection and engage setting, and the side at the junction surface is provided with space 137a.Hall element 138 is positioned at the substantial middle position of this space 137a, is electrically connected to be fixed on the 1st printed substrate 139a.The 1st iron core 136a, the 2nd iron core 136b and printed substrate 139a are arranged on box body portion 32 and the breaker body 1 with the method same with above-mentioned example 2, and with same sequentially-operating.
According to the aforesaid circuit breaker that has the electrifying information measuring device of the present invention, owing to can cut apart the 2nd iron core 136b, and form space 137a, so it is simple in structure, the size Control of space 137a is easy.Example 4
Figure 10 is a trip bolt part stereogram nearby in the circuit breaker of the band electrifying information measuring device in the example 4 of the present invention.Among the figure, when trip bolt 135 is fastened onto on the portion of terminal 33, runs through insulated tube 237 and give prominence to, make the distribution of load one side can be connected to leading section 135a.The bottom of the 1st iron core 236a with the rectangular direction of the projected direction of trip bolt 135 on, extend and establish with コ word shape roughly, thus, the 1st iron core 136a is not contacted with trip bolt 135 and insulated tube 237.The 1st iron core 236a, the 2nd iron core 236b and the 1st printed substrate 139a move with same order to be arranged on box body portion 32 and the breaker body 1 with the same method of above-mentioned example 2.
According to the aforesaid circuit breaker that has the electrifying information measuring device of the present invention, can be corresponding with the mode (the inside type) of carrying out load one side distribution in breaker body 1 bottom surface direction (right direction among Fig. 2).Example 5
Figure 11 is the circuit breaker of the band electrifying information measuring device of demonstration example 5 of the present invention and the cutaway view at Fig. 2 same position place, Figure 12 is the stereogram of relation of box body portion, the 1st iron core and the 2nd iron core of above-mentioned circuit breaker, and Figure 13 is for showing the enlarged drawing of the 1st iron core and the 2nd iron core junction surface in the above-mentioned circuit breaker.
Among the figure, 301 is the electrifying information measuring device, in by mold cassettes 132a and the formed box body of lid 132b portion 132, take in the 1st printed substrate 139a that Hall element 38, voltage changer 42 and electronic circuit portion 43 have been installed, and installed contact 41, temperature sensor 45 and vibrating sensor 46 that display not shown in the figures 40, its front end contact with trip bolt 35 the 2nd printed substrate 139b, and the conducting magnetic flux to the 2nd iron core 336b of Hall element 38.
47 is the separately box that is formed by ester moulding products etc., and the 1st iron core 336a has in conjunction with protuberance 336a10, and with to separate box 47 one-body molded.Again, the 2nd iron core 336b has in conjunction with protuberance 336b10, and is fixed on the mold cassettes 132a.Mold cassettes 132a is provided with embeded slot 132a10, so that the engagement lugs 336a10 of easy chimeric the 1st iron core 336a and the coupling recess 336b10 of the 2nd iron core 336b.
The coupling recess 336b10 that is arranged at the engagement lugs 336a10 of two ends of the 1st iron core 336a and a pair of the 2nd iron core 336b carries out chimeric respectively, and then the 1st iron core 336a and the 2nd iron core 336b shape of being arranged to surround conductor 34 forms continuous magnetic circuit.
The electrifying information measuring device 301 of Xing Chenging can easily be installed on the breaker body 1 by trip bolt 31 as mentioned above, and by following order instrumentation electrifying information.
When load current leads to conductor 34 from portion of terminal 33, according to Ampere's law, on the circumferencial direction of conductor 34, produce magnetic flux, flux concentrating links (shown in the C among Figure 11 in the 1st iron core 36a that has formed magnetic circuit on the circumferencial direction of conductor 34, the 2nd iron core 36b, but for ease of explanation, magnetic flux makes diagram among the figure).By linking of described magnetic flux and Hall element 38, Hall element 38 is taken place and the directly proportional voltages of interlinkage flux, by the 1st printed substrate 139a, import A/D translation circuit not shown in the figures, then, as the order of example 1, show electrifying information by display 40.Again, the temperature that contact 41 detects is transformed to the signal of telecommunication by temperature sensor 45, and display 40 shows the temperature of trip bolt 35.Have again, by being arranged at the vibrating sensor 46 on the 2nd printed substrate 139b, detection of excessive current circulation breaker body 1, the vibration when disconnecting action, the number of times that expression disconnects.
The as above formed circuit breaker that has the electrifying information measuring device needn't set in advance the 1st iron core 336a, but can the electrifying information measuring device be installed afterwards on the circuit breaker of the standard of current transformer 18 in that instrumentation is not installed, thus, can be by the demonstration of 35 temperature of trip bolt, detect the problem that produces because of the screw absent-mindedness in advance, in addition, by the demonstration of disconnection times, can easily carry out maintenance management to breaker body 1.
Again, contact 41 also can contact detected temperatures with portion of terminal 33 or the conductor 34 as the conductive part beyond the trip bolt 35.
Again, in the above description, be just to show that with display 40 situation of electrifying informations describes, but, also can be without display 40, but communication apparatus is set, described electrifying information is made long distance send, a long way off acquisition of information.
Have again, temperature sensor 45 and vibrating sensor 46 also can be arranged on the electrifying information measuring device of example 1, example 2, example 3 and example 4, engagement lugs 336a10 and coupling recess 336b10 also can be arranged on the 1st iron core and the 2nd iron core of example 2, example 3 and example 4, make its joint.
Example 6
Figure 14 is the circuit breaker of the band electrifying information measuring device of demonstration example 6 of the present invention and the cutaway view at Fig. 2 same position place.
Among the figure, 302 is the electrifying information measuring device, in by mold cassettes 232a and the formed box body of lid 232b portion 232, take in the 1st printed substrate 239a that Hall element 38, voltage changer 42 and electronic circuit portion 43 have been installed, with the 2nd printed substrate 239b that contact 41, temperature sensor 45 and vibrating sensor 46 that display not shown in the figures 40, its front end contact with trip bolt 35 are installed.
134 is conductor, has the コ of the being roughly word shape 134a of portion, by trip bolt 35, on the fastening portion of terminal 33 that is fixed in breaker body 1, be installed on Hall element 38 on the 1st printed substrate 239a and be arranged on and be roughly the position that the コ word shape 134a of portion is surrounded.
The electrifying information measuring device 302 of Xing Chenging can easily be installed on the breaker body 1 by trip bolt 31 as mentioned above, and by following order instrumentation electrifying information.
When load current leads to conductor 134 from portion of terminal 33, according to Ampere's law, produce magnetic flux on the circumferencial direction of conductor 134, magnetic flux occurs in each line part that is roughly the コ word shape 134a of portion (shown in D, E, F) of conductor 134, and synthetic magnetic flux links with Hall element 38.Hall element 38 takes place and the directly proportional voltage of the magnetic flux that links, and by the 1st printed substrate 139a, imports electric current A/D translation circuit not shown in the figures, then, as the order of example 1, shows electrifying information by display 40.
Again, according to the aforesaid circuit breaker that has the electrifying information measuring device of the present invention, because the resultant flux that occurs in the magnetic flux of each line part that is roughly the コ word shape 134a of portion links with Hall element 38, so, can be really reliably the load current of the conductor 134 of flowing through be detected.
Utilizability on the industry
As mentioned above, according to the breaker with live-state information measuring instrument of the present invention, because be with logical Telecommunications breath measuring device releasably is installed on the portion of terminal of breaker body, so, will not use by instrumentation Current transformer is installed on the inside of breaker body in advance, does not also need cable, can obtain its appearance and size Breaker with live-state information measuring instrument little, with low cost.
By the temperature that shows trip bolt section with display, can detect in advance because of trip bolt again, The problem that absent-mindedness causes.
Have again, by passing to overcurrent, detect the vibration when disconnecting action, by the demonstration of disconnection times, Make the maintenance management of breaker body easy.
Live-state information measuring instrument of the present invention also can be installed on the load current circulation except breaker Distribution wire on the equipment installed.
Claims (12)
1. circuit breaker with the electrifying information measuring device, it is characterized in that, described circuit breaker comprises: be used for the breaker body of switching load current, be anchored on the conductor of this breaker body portion of terminal by clamp structure, and have the electrifying information measuring device of box body portion; Described box body portion is built-in with and is used to detect the magnetic flux that is taken place by described load current, with its be transformed to the signal of telecommunication Hall element, be used for the signal of telecommunication to described Hall element and carry out the electronic circuit portion of calculation process and be used for output device above-mentioned operation result output; Near above-mentioned breaker body, releasably dispose or constitute above-mentioned electrifying information measuring device.
2. the circuit breaker of band electrifying information measuring device as claimed in claim 1, it is characterized in that, have the contact that contacts, is used to detect phase voltage with conductor or clamp structure, the signal of telecommunication of detected voltage signal of this contact and Hall element carries out calculation process in electronic circuit portion.
3. the circuit breaker of band electrifying information measuring device as claimed in claim 1, it is characterized in that, described circuit breaker has and is used for and will is directed to the 1st iron core of Hall element by the magnetic flux that load current took place and cooperates with the 1st iron core, the 2nd iron core of guiding magnetic flux.
4. the circuit breaker of band electrifying information measuring device as claimed in claim 3, it is characterized in that, the 1st iron core that described circuit breaker will be directed to Hall element by the magnetic flux that load current took place is arranged on the breaker body, and will cooperate with the 1st iron core, the 2nd iron core of guiding magnetic flux is accommodated in the box body portion.
5. the circuit breaker of band electrifying information measuring device as claimed in claim 4, it is characterized in that, described circuit breaker system makes roughly コ word shape with the 1st iron core, and the 2nd iron core is arranged on above-mentioned the 1st iron core biend with leaving the space, in described gap Hall element is set.
6. the circuit breaker of band electrifying information measuring device as claimed in claim 4, it is characterized in that, described circuit breaker is that the 1st iron core and the 2nd iron core are made roughly コ word shape, either side at the junction surface of described the 1st iron core and described the 2nd iron core leaves the space, in described gap Hall element is set.
7. the circuit breaker of band electrifying information measuring device as claimed in claim 3 is characterized in that, described circuit breaker is to make to surround conductor shape ground by the outside of breaker body to engage the 1st iron core and the 2nd iron core.
8. the circuit breaker of band electrifying information measuring device as claimed in claim 7, it is characterized in that, described circuit breaker system is accommodated in the 1st iron core separately in the box, and the 2nd iron core is accommodated in the box body portion, and described separately box is inserted in the embedded hole that is arranged in the described box body portion.
9. the circuit breaker of band electrifying information measuring device as claimed in claim 1 is characterized in that, the conductor in the described circuit breaker has roughly コ word shape portion, and described roughly コ word shape portion does to surround the setting of Hall element shape ground.
10. the circuit breaker of band electrifying information measuring device as claimed in claim 3 is characterized in that, in the described circuit breaker, the junction surface of the 1st iron core and the 2nd iron core makes concaveconvex shape.
11. the circuit breaker of band electrifying information measuring device as claimed in claim 2 is characterized in that, described circuit breaker is exported by output device by the temperature of contact instrumentation contact site.
12. the circuit breaker of band electrifying information measuring device as claimed in claim 1 is characterized in that, described circuit breaker is that vibrating sensor is arranged in the box, calculates the on-off action number of times of circuit breaker, is exported by output device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP1999/003322 WO2000079554A1 (en) | 1999-06-22 | 1999-06-22 | Circuit breaker with live-state information measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1312950A true CN1312950A (en) | 2001-09-12 |
Family
ID=14236037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99809781A Pending CN1312950A (en) | 1999-06-22 | 1999-06-22 | Circuit breaker with live-state information measuring instrument |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1107274A4 (en) |
| KR (1) | KR20010106451A (en) |
| CN (1) | CN1312950A (en) |
| TW (1) | TW421811B (en) |
| WO (1) | WO2000079554A1 (en) |
Cited By (3)
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|---|---|---|---|---|
| CN105529220A (en) * | 2014-10-21 | 2016-04-27 | 通用电气公司 | Molded case circuit breaker with current sensing unit |
| CN107209245A (en) * | 2014-12-30 | 2017-09-26 | 能量盒子有限公司 | Energy meter system and its calibration method |
| CN108802467A (en) * | 2018-05-04 | 2018-11-13 | 国网浙江宁波市奉化区供电有限公司 | A kind of iron core line ring type current transformer and earth detector that accuracy of detection is high |
Families Citing this family (20)
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|---|---|---|---|---|
| KR100459213B1 (en) * | 2001-12-04 | 2004-12-03 | 엘지산전 주식회사 | structure combined with auxiliary divice in electric MCCB |
| JP2008547155A (en) * | 2005-02-18 | 2008-12-25 | エアパックス コーポレーション | Device including circuit breaker with attached sensor unit |
| US7612972B2 (en) * | 2005-09-30 | 2009-11-03 | Rockwell Automation Technologies, Inc. | Electrical contractor current sensing system and method |
| MY158119A (en) | 2007-08-20 | 2016-08-30 | Ls Ind Systems Co Ltd | Circuit breaker with temperature sensor |
| KR100883042B1 (en) * | 2007-08-20 | 2009-02-09 | 엘에스산전 주식회사 | Air circuit breaker having temperture sensor |
| US7822578B2 (en) * | 2008-06-17 | 2010-10-26 | General Electric Company | Systems and methods for predicting maintenance of intelligent electronic devices |
| CN101459018B (en) * | 2008-06-20 | 2010-09-29 | 扬州新菱电器有限公司 | Control and protection switch electric appliance |
| KR100902684B1 (en) * | 2008-10-27 | 2009-06-15 | 주식회사 대륙 | The electrical device with sensor for temperature |
| EP2282321B1 (en) * | 2009-08-06 | 2015-10-14 | ABB Schweiz AG | Module for measuring the current in a conductor of a low voltage distributor |
| JP2011185647A (en) * | 2010-03-05 | 2011-09-22 | Keihin Corp | Current sensor |
| ITMI20121139A1 (en) * | 2012-06-28 | 2013-12-29 | Energy Team S P A | MEASUREMENT DEVICE FOR STRING CURRENTS, IN PARTICULAR IN PHOTOVOLTAIC PLANTS |
| BR112014032888A2 (en) * | 2012-07-02 | 2017-06-27 | Siemens Ag | current transformer assembly and electrical protection device |
| JP6019423B2 (en) * | 2012-07-24 | 2016-11-02 | 日東工業株式会社 | Adapter for current measurement |
| JP6056014B2 (en) * | 2012-07-24 | 2017-01-11 | 日東工業株式会社 | Power distribution equipment |
| JP2014229413A (en) * | 2013-05-21 | 2014-12-08 | 河村電器産業株式会社 | Circuit breaker, or distribution board |
| US10467354B2 (en) | 2014-12-30 | 2019-11-05 | Energybox Ltd. | Visualization of electrical loads |
| US9658264B2 (en) | 2014-12-30 | 2017-05-23 | Energybox Ltd. | Energy metering system with self-powered sensors |
| US10177542B2 (en) | 2017-02-10 | 2019-01-08 | Hamilton Sundstrand Corporation | Contactor health monitoring systems and methods |
| US11129237B1 (en) * | 2019-10-29 | 2021-09-21 | Nodesimple Llc | System for controlling assets via smart power switching devices |
| KR102269380B1 (en) * | 2020-08-03 | 2021-06-25 | (주)메티스 | Thermometer for MC and temperature-monitoring system therewith |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53121146A (en) * | 1977-03-31 | 1978-10-23 | Meidensha Electric Mfg Co Ltd | Over current protective relay |
| JPS5438573A (en) * | 1977-08-31 | 1979-03-23 | Matsushita Electric Works Ltd | Terminal device in circuit breaker |
| JPH0526683Y2 (en) * | 1987-03-03 | 1993-07-06 | ||
| JPH0216460A (en) * | 1988-07-04 | 1990-01-19 | Chubu Electric Power Co Inc | Electronic watt-hour meter |
| JPH02121224A (en) * | 1988-10-31 | 1990-05-09 | Energy Support Corp | Switch with overcurrent and earth detecting function |
| US5107396A (en) * | 1991-06-03 | 1992-04-21 | General Electric Company | Circuit breaker combined terminal lug and connector |
| US5162766A (en) * | 1991-10-07 | 1992-11-10 | General Electric Company | Molded case circuit breaker with interchangeable trip circuits |
| DE9113081U1 (en) * | 1991-10-21 | 1991-12-12 | Siemens AG, 8000 München | Current sensor with integrated Hall circuit |
| JP2600339Y2 (en) * | 1993-05-10 | 1999-10-12 | 大崎電気工業株式会社 | Circuit breaker and watt-hour meter |
| FI932122A (en) * | 1993-05-11 | 1994-11-12 | Abb Stroemberg Kojeet Oy | Flood resistance saturation based electric current sensor and procedure for tuning thereof |
| JPH08194016A (en) * | 1995-01-19 | 1996-07-30 | Fuji Electric Co Ltd | Electric current sensing device |
| JP3106977B2 (en) * | 1995-11-14 | 2000-11-06 | 富士電機株式会社 | Circuit breaker |
-
1999
- 1999-06-22 WO PCT/JP1999/003322 patent/WO2000079554A1/en not_active Application Discontinuation
- 1999-06-22 CN CN99809781A patent/CN1312950A/en active Pending
- 1999-06-22 KR KR1020017002172A patent/KR20010106451A/en not_active Application Discontinuation
- 1999-06-22 EP EP99925416A patent/EP1107274A4/en not_active Withdrawn
- 1999-07-13 TW TW088111810A patent/TW421811B/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529220A (en) * | 2014-10-21 | 2016-04-27 | 通用电气公司 | Molded case circuit breaker with current sensing unit |
| CN107209245A (en) * | 2014-12-30 | 2017-09-26 | 能量盒子有限公司 | Energy meter system and its calibration method |
| CN107209245B (en) * | 2014-12-30 | 2021-11-12 | 能量盒子有限公司 | Energy metering system and calibration method thereof |
| CN108802467A (en) * | 2018-05-04 | 2018-11-13 | 国网浙江宁波市奉化区供电有限公司 | A kind of iron core line ring type current transformer and earth detector that accuracy of detection is high |
| CN108802467B (en) * | 2018-05-04 | 2023-12-29 | 国网浙江省电力有限公司宁波市奉化区供电公司 | Iron core coil type current transformer with high detection precision and electric leakage detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW421811B (en) | 2001-02-11 |
| EP1107274A4 (en) | 2004-03-03 |
| WO2000079554A1 (en) | 2000-12-28 |
| KR20010106451A (en) | 2001-11-29 |
| EP1107274A1 (en) | 2001-06-13 |
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