WO2018117397A1 - 릴레이 장치 - Google Patents
릴레이 장치 Download PDFInfo
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- WO2018117397A1 WO2018117397A1 PCT/KR2017/012184 KR2017012184W WO2018117397A1 WO 2018117397 A1 WO2018117397 A1 WO 2018117397A1 KR 2017012184 W KR2017012184 W KR 2017012184W WO 2018117397 A1 WO2018117397 A1 WO 2018117397A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/12—Ventilating; Cooling; Heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/12—Ventilating; Cooling; Heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/02—Bases; Casings; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/026—Details concerning isolation between driving and switching circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/29—Relays having armature, contacts, and operating coil within a sealed casing
Definitions
- the present invention relates to a relay device, and more particularly, to a relay device having a structure in which the fixed contact and the movable contact are in contact and opened by swinging.
- the relay device is a switching mechanism that operates when an input signal reaches a value and opens and closes another electric circuit, and is widely used in various industrial fields such as automobiles and industrial automation controllers.
- the relay device can be largely classified into a ladder type relay device and a cantilever type relay device.
- Korean Laid-Open Patent Publication No. 2010-0125806 includes a fixed contact, a movable contact disposed to be in contact with and detachable from the fixed contact, and an electronic block for driving the movable contact.
- a cantilever type relay device is a type in which a movable contact is attached to an elastic leaf spring.
- the cantilever type relay device has an advantage that it can be manufactured in a simple form compared to the ladder type relay device.
- Japanese Patent No. 3898021 is mentioned.
- the relay device contacts or is fixed with the fixed contact by the movable contact making a linear or rotational motion by the electromagnetic force of the electronic block with respect to the fixed contact.
- the relay device generates an arc when the fixed contact and the movable contact open. These arcs do not properly clear and raise the temperature in the internal space of the relay device.
- the electromagnetic block swinging the movable contact is a form in which a coil is wound around the bobbin, which increases the temperature in the internal space of the relay device due to the heat generated from the coil.
- the size of products has become smaller.
- the temperature rise of the internal space of the relay device due to the heat generated by the arc generation between the contacts and the heat generated by the electronic block is sensitive to the driving of the relay device. Tends to act. In other words, when the temperature increases in the internal space of the relay device, the contact surface is carbonized or fused so that current conduction, which is an original function, is not achieved.
- the resistance value of the magnetic circuit rises, which leads to a weakening of the electromagnetic force of the electronic block, thereby weakening the force for pulling the movable contact, which in turn lowers the pressure of the contact. As the pressure at the contact drops, the contact resistance increases and arcing increases. Therefore, technical or design requests for effectively radiating heat generated in the internal space of the relay device are increasing.
- the heating portion in the relay device is the coil of the electronic block and the contact portion of the fixed contact and the movable contact.
- the size of a relay device is decreasing. Therefore, the heat generated from the internal parts of the relay device should be able to be effectively eliminated by radiation and convection.
- a large amount of empty space may be created inside the relay device, but this is contrary to the miniaturization trend and also has a problem of low economic efficiency.
- An object of the present invention is to provide a relay device that effectively eliminates heat generation of internal components to satisfy miniaturization and economy simultaneously.
- the electronic block for selectively generating an electromagnetic force through the coil; Two fixed contact terminals each having a fixed contact; A movable contact assembly having a movable contact which is oscillated by the electromagnetic force and is in contact with or is opened to the fixed contact; And a base block for holding the electronic block, the fixed contact terminal, and the movable contact assembly in the cover, the relay device including the entire space in the cover in two parts based on the joint surface between the fixed contact and the fixed contact terminal.
- the part including the electronic block is divided into a first space, the remaining part is defined as a second space, and the second space occupies the inner total volume Vt of the cover.
- the ratio (Ve / Vt) of the volume Ve is 19% to 27%.
- the ratio (Vr / Ve) of the sum of the volumes Vr of the parts occupying the second space to the volume Ve of the second space is 21% to 42%.
- the fixed contact which is a reference for dividing the entire space in the cover into two parts, is a fixed contact that contacts the movable contact when a portion of the movable contact assembly is attracted by the electromagnetic force.
- an electronic block for selectively generating an electromagnetic force through the coil; Two fixed contact terminals each having a fixed contact; A movable contact spring having a movable contact which is oscillated by the electromagnetic force and contacts or opens the fixed contact; And a relay device accommodating the electronic block and the base block holding the fixed contact terminal in a cover, wherein the entire space in the cover is divided into two parts on the basis of the joining surface between the fixed contact and the fixed contact terminal.
- the portion including the electronic block is defined as the first space, the remaining portion is defined as the second space, and the volume sum of the parts occupying the second space with respect to the volume Ve of the second space ( The ratio (Vr / Ve) of Vr) is 21% to 42%.
- the fixed contact which is a reference for dividing the entire space in the cover into two parts, is a fixed contact that contacts the movable contact when a portion of the movable contact assembly is attracted by the electromagnetic force.
- the embodiment of the present invention by defining an optimized volume ratio of the internal space of the relay device, it is possible to effectively eliminate heat generated in the coil of the electronic block of the relay device while at the same time achieving compactness and economy.
- FIG. 1 is a perspective view when the cover and the main body of the relay device according to an embodiment of the present invention are separated.
- FIG. 2 is an exploded perspective view of the relay device main body of FIG. 1.
- FIG. 2 is an exploded perspective view of the relay device main body of FIG. 1.
- FIG. 3 is a partial cross-sectional view of the relay device of FIG. 1.
- FIG. 4 is a schematic diagram illustrating a space and volume ratio defined for the relay device in the present invention.
- FIG. 5 is a diagram illustrating a performance result according to a ratio Ve / Vt of the volume Ve occupied by the second space in the inner total volume Vt of the cover of the relay device according to one embodiment.
- FIG. 6 is a diagram illustrating a performance result according to a ratio Vr / Ve of a volume Vr of components in a volume Ve of a second space of a relay device according to an embodiment.
- FIG. 7 is a diagram illustrating a performance result according to a ratio Vr / Ve of a volume Vr of components in a volume Ve of a second space of a relay device according to another embodiment.
- FIG. 8 is a diagram showing a thermal analysis result of the relay device in which the contact damage is in the A state.
- FIG. 9 is a diagram illustrating a thermal analysis result of a relay device having a contact damage state of B.
- FIG. 1 is a perspective view when the cover and the main body of the relay device according to an embodiment of the present invention are separated, and FIG. 2 is an exploded perspective view of the main body of the relay device of FIG. 1.
- the relay device is composed of a relay main body 100 and a cover 200 for accommodating the relay main body 100.
- the relay main body 100 has a movable contact assembly 1 having movable contacts 14a and 14b, two fixed contact terminals 22 and 23 having fixed contacts 22a and 23a, respectively, and a coil thereof. It consists of the electronic block 3 which generate
- the movable contact assembly 1 includes a movable contact spring 14 which is oscillated by the electromagnetic block 3, movable contacts 14a and 14b provided at one end of the movable contact spring 14, and the movable contact spring.
- the movable contact terminals 14c and 14d provided in the other end of 14 and the plate-shaped armature 14e provided in the inside of the said movable contact spring 14 are included.
- the movable contact spring 14 is a band member having conductivity that is elastically deformable and bent in an approximately L shape.
- the movable contact spring 14 has a tip portion extending from the movable contact terminals 14c and 14d in a bifurcated shape, and the movable contacts 14a and 14b are respectively provided at two tips having a bifurcated bifurcated shape. do.
- the plate-shaped armature 14e which is attracted by magnetic force inside the middle area
- the movable contact spring 14 is fixed to the rear surface of the rising surface of the yoke 32 so that the armature 14e is positioned directly above the coil assembly 31 of the electronic block 3.
- the armature 14e has a plate shape as described above, but the engaging portion 14f protrudes from one side in the direction of the fixed contact terminals 22 and 23. This locking portion 14f protrudes in the gap direction of the two proximal distal ends of the movable contact spring 14.
- the engaging portion 14f enters into the stopper 34a formed in the upper flange portion 34 of the electronic block 3 and is caught by the stopper 34a when the movable contacts 14a and 14b are opened. Suppresses the generation of vibration and noise.
- the fixed contact terminals 22 and 23 are provided in the swinging direction of the two movable contacts 14a and 14b.
- the fixed contact terminals 22 and 23 are constituted by a plate-shaped member, the tip end portion of which is bent into an approximately L shape, and the fixed contact terminals 22a and 23a are provided at the bent tip end, respectively.
- One end of the fixed contact terminals 22, 23 is inserted into the base block 2, and the other end is provided with the fixed contacts 22a, 23a disposed so as to contact the movable contacts 14a, 14b.
- the fixed contact terminals 22 and 23 are comprised by two, and the fixed contact 22a, 23a is arrange
- the base block 2 is formed by mold molding as an insulating member, has an approximately hexahedral shape with an open top, and parts of the relay device are seated inside. That is, the electronic block 3 is inserted into the open surface of the base block 2, and the fixed contact terminals 22 and 23, the movable contact terminals 14c and 14d and the coil terminals 36 and 37 are the base blocks. It is inserted into the open surface of (2) and then penetrated and exposed to the outside.
- the electronic block 3 includes the coil assembly 31, the yoke 32, the core 33, the flange portions 34 and 35, and the coil terminals 36 and 37.
- the coil assembly 31 has a coil wound around a coil bobbin having a hole formed in the center thereof, and a pair of coil terminals 36 and 37 fitted at both ends of the coil bobbin on the side of the flange portion 35 below the coil bobbin.
- the yoke 32 is formed in two surfaces, ie, L-shapes, which form substantially right angles, and the lower surface is provided in parallel to the base block 2.
- the lower surface of the yoke 32 is provided with a hole 32a engaged with the core 33.
- the core 33 is a shaft having a head and a body.
- the diameter of the head is larger than the diameter of the body, and an end having a reduced diameter is provided at the lower end of the body.
- the head of the core 33 is larger in diameter than the hole of the groove of the upper flange portion 34 so as to protrude above the upper flange portion 34 and to be caught by the upper flange portion 34.
- the coil assembly 31 is mounted on the lower surface of the yoke 32 and the core 33 is inserted through the hole of the coil bobbin and the hole 32a formed in the lower surface. Therefore, the coil assembly 31, the yoke 32, the core 33, and the flange parts 34 and 35 are crimped together so that they may be integrated.
- the cover 200 exhibits a box shape having a sealability having an opening that can be loosely fitted with the same size as the base block 2, and the inner surface of the opening is formed around the edge of the base block 2 through the thermosetting resin member. It is sealed and covered.
- the engaging portion 14f of the armature 14e is held on the stopper 34a before energizing the pair of coil terminals 36 and 37. Therefore, the movable contact 14a, 14b maintains the open state with the lower fixed contact 22a, 23a. Then, by energizing the pair of coil terminals 31g, the armature 14e is attracted to the core 33 by an electromagnetic force, and the movable contacts 14a and 14b are pressed against the lower fixed contacts 22a and 23a. In contact with the state, both contacts are closed.
- the first heating portion is the coil assembly 31 of the electronic block 3, and the second heating portion is a contact surface between the fixed contacts 22a and 23a and the movable contacts 14a and 14b.
- the pair of coil terminals 36 and 37 are energized, heat is generated in the coil wound around the coil bobbin of the coil assembly 31. Therefore, a space for erasing heat generated in the coil is required, and a space for erasing heat generated in the contact surfaces of the fixed contacts 22a and 23a and the movable contacts 14a and 14b is required. This space is defined below with reference to FIGS. 3 and 4.
- FIG. 3 is a partial cross-sectional view of the relay device of FIG. 1, showing the side surface of the main body 100 of the relay device.
- the entire space in the cover 200 is divided into two parts based on the bonding surface 510 between the fixed contacts 22a and 23a and the fixed contact terminals 22 and 23.
- a lower space that is, a space including the electronic block 3
- a second space is defined as a second space based on the remaining portion, that is, the bonding surface. It is defined as the space 420.
- the entire inner volume of the cover 200 is referred to as Vt
- the volume of the second space 420 is referred to as Ve
- the sum of the volumes of the components in the second space 420 as Vr.
- the first heating portion of the relay device is the coil assembly 31 of the electronic block 3, specifically, heat is mainly generated in the coil wound around the coil bobbin of the coil assembly 31. Therefore, the volume Ve of the second space 420 occupies the entire inner volume Vt of the cover 200 in order to cancel heat generated in the first space 410 of the relay device by radiation and convection.
- the ratio Ve / Vt should be maintained properly. This is because heat generated in the coil located in the first space 410 circulates by the radiation and convection action to the second space 420 having a relatively large empty space.
- the ratio Ve / Vt of the volume Ve occupied by the second space 420 to the inside volume Vt of the cover 200 is small, the space for heat circulation is reduced, which adversely affects performance.
- the ratio Ve / Vt of the volume Ve occupied by the second space 420 to the inside volume Vt of the cover 200 is increased, the efficiency of eliminating heat increases, but the product size and unit cost are increased.
- the ratio Ve / Vt of the volume Ve occupied by the second space 420 in the total inner volume Vt of the cover 200 is 19% to 27%.
- the inner total volume (Vt) of the cover 200 it is calculated by excluding the rib (lib) attached to the inside of the cover 200. That is, assuming that there is no rib lib, the inner total volume Vt of the cover 200 is calculated.
- the rib lib is considered a part when calculating the volume sum Vr of the parts in the second space 420 as described below.
- the second heat generating portion in the relay device is between the fixed contacts 22a and 23a and the movable contacts 14a and 14b. Therefore, when the ratio Vr / Ve of the volume Vr occupied by the components in the volume Ve of the second space 420 becomes large and the empty space is insufficient, the fixed contacts 22a and 23a and the movable contact 14a, The arc generated at the opening of 14b) reduces the space for the heat generated to circulate by radiation or convection.
- the heat generated from the first heating portion that is, the coil of the coil assembly 31, must also be circulated in the empty space of the second space 420, which is the volume occupied by the components in the volume Ve of the second space 420.
- the ratio Vr / Ve of the volume Vr of the parts in the volume Ve of the second space 420 is 21% to 42%.
- a part occupying the second space 420 typically includes a part of the movable contact assembly 1, the fixed contacts 22a and 23a, and a stopper 34a formed on the upper flange portion 34 of the electronic block 3. And a rib formed inside the cover 200.
- Vt represents the inner total volume of the cover 200 of the relay device.
- the cover 200 is generally manufactured by injection molding using a plastic resin, wherein ribs are molded together on the inner surface of the cover 200. These ribs are not considered in the inner total volume Vt of the cover 200, but are considered as parts.
- Vr 1 is the volume of the ribs present in the second space 420. As described above, the entire inner space of the cover 200 of the relay device is based on the joint surface between the fixed contacts 22a and 23a and the fixed contact terminals 22 and 23. 420). In FIG.
- reference numeral 510 denotes a reference line dividing the first space 410 and the second space 420. That is, the plane including the joint surface between the fixed contacts 22a and 23a and the fixed contact terminals 22 and 23 serves as a reference for dividing the first space 410 and the second space 420.
- the volume of the second space 420 is Ve, as shown in FIG. As shown in FIG. 4, if there are four parts in the second space 420, the volume Vr of the parts in the second space 420 is equal to the sum of the volumes of the four parts (Vr 1 + Vr). 2 + Vr 3 + Vr 4 ).
- the relay device of the above embodiment shows only a basic configuration.
- the relay device may further include an arc extinguishing member in the second space 420.
- the arc extinguishing member includes a permanent magnet and a frame accommodating them. Specifically, when the permanent magnets are provided on both sides of each of the fixed contacts 22a and 23a to face each other, arcs generated during the contact and opening process between the fixed contacts 22a and 23a and the movable contacts 14a and 14b are extinguished. can do.
- the relay device may add or subtract various components to the second space 420 according to a product design method, and the components may be removed from the volume Ve of the second space 420 as described above in consideration of the volume of these components.
- the ratio (Vr / Ve) of the volume (Vr) to occupy can be adjusted.
- the ratio Vr / Ve of the volume Vr of the parts in the volume Ve of the second space 420 may be adjusted by adjusting the size of the cover 200.
- the relay device of the above-described embodiment has been described based on the cantilever type, the same principle may be applied to a ladder type relay device, which is another type of relay device.
- the second space 420 A total of 60 relay devices are prepared, in which the ratio (Vr / Ve) of parts (Vr) to parts (Ve) is increased by 0.5 percentage points from 16% to 45.5%. Performance test data of these 60 relay devices are shown in FIG. 6.
- Ve is the volume of the second space 420 and Vr is the sum of the volumes of the components of the second space 420.
- the second space 420 may be formed.
- a total of 60 relay devices were prepared, in which the proportion of the volume (Vr) occupied by the components in the volume (Ve) increased by 0.5 percentage points from 16% to 45.5%. Performance test data of these 60 relay devices are shown in FIG. 7.
- V is the volume of the second space 420
- Vr is the sum of the volumes of the components of the second space 420.
- the voltage is 12V
- the current is set to 17A and energized
- ON / OFF is performed 100,000 times every 2 seconds.
- the load uses a ramp load. Performance measures whether the relay device is energized, the burnout condition of the contact, and the contact resistance of the contact.
- the burned out state of the contact is classified into four types of A / B / C / D.
- the state A is a state in which the contact carbonization trace is insignificant and the temperature difference between the contact portion and other components is insignificant.
- 8 is a diagram illustrating a thermal analysis result of the relay device in the A state.
- the B state is a state in which the contact carbonization trace is insignificant but the temperature is increased only in the contact portion.
- FIG. 9 is a diagram illustrating a thermal analysis result of the relay device in the B state.
- the C state is a state where the contact carbonization marks are microscopically identified and the temperature increases to the contact portion and the adjacent portion.
- 10 is a diagram illustrating a thermal analysis result of a relay device in a C state. In the D state, the contact carbonization mark is visually identifiable, and the temperature of the contact portion, the movable contact spring 14, and most of the fixed contact terminals 22, 23 is increased. It is a figure which shows the thermal analysis result of the relay apparatus of a D state. 8 to 11, the unit of the legend is ° C.
- FIG. 5 is a diagram illustrating a performance result according to a ratio Ve / Vt of the volume Ve occupied by the second space 420 in the total inner volume Vt of the cover 200 of the relay device according to an exemplary embodiment.
- the ratio Ve / Vt of the volume Ve occupied by the second space 420 in the total inner volume Vt of the cover 200 of the relay device is 19% to 27% ( In samples 7 to 23, the relay device can be energized while the contact damage is in the best state A.
- the ratio Ve / Vt of the volume Ve occupied by the second space 420 to the inside volume Vt of the cover 200 of the relay device is less than 19% (sample 1 to sample 6)
- the coil Heat generated in the coil of the assembly 31 is not sufficiently erased through the second space 420, and the contact burnout is in the B state and the C state.
- the ratio (Ve / Vt) of the volume Ve occupied by the second space 420 in the inner total volume Vt of the cover 200 of the relay device is greater than 27% (samples 24 to 37).
- the heat generated from the coil can be sufficiently eliminated, but the size of the cover 200 increases, thereby increasing product size and unit cost, thereby weakening product competitiveness. Therefore, it can be seen that the ratio Ve / Vt of the volume Ve occupied by the second space 420 in the entire inner volume Vt of the cover 200 of the relay device is preferably 19% to 27%.
- FIG. 6 is a view illustrating a performance result according to a ratio Vr / Ve of a volume Vr of components in a volume Ve of the second space 420 of the relay device according to an embodiment.
- the cover 200 is illustrated in FIG. In the state where the ratio Ve / Vt of the volume Ve occupied by the second space 420 to the inner total volume Vt of the second is 23%, the parts are separated in the volume Ve of the second space 420. This is the result of experimenting with different ratio of volume (Vr) (Vr / Ve). When the ratio Ve / Vt of the volume Ve occupied by the second space 420 to the inside total volume Vt of the cover 200 is 23%, as shown in FIG.
- the energization of the relay device is Possible and contact damage is the best state A.
- the second space 420 may be used.
- the ratio of the volume (Vr) to the volume (Vr) occupied by the parts in the volume (Ve) exceeds 42% (sample 54 to sample 60)
- the relay device can be energized but the contact damage is in the B state.
- the contact resistance is more than 26.8mPa.
- the relay device when the ratio (Vr / Ve) of the volume Vr occupied by the components in the volume Ve of the second space 420 is 42% or less (samples 11 to 53), the relay device can be energized while being contacted. The damage is in the A state, and the contact resistance is greatly reduced by up to 13.2 m2. On the other hand, if the ratio Vr / Ve of the volume Vr occupied by the components in the volume Ve of the second space 420 is less than 21% (Sample 1 to Sample 10), even if the contact damage is A As the size of the cover 200 increases, product size and unit price increase, thereby weakening product competitiveness.
- the ratio (Vr / Ve) of the volume Vr occupied by the components in the volume Ve is 21% to 42%.
- FIG. 7 is a view illustrating a performance result according to a ratio Vr / Ve of a volume Vr of components in a volume Ve of the second space 420 of the relay device according to another embodiment.
- the parts (Ve) of the second space (420) are in a state in which the ratio (Ve / Vt) of the volume (Ve) occupied by the second space (420) to the inner total volume (Vt) of the second space (420) is 18%.
- This is the result of experimenting with different ratio of volume (Vr) (Vr / Ve).
- the ratio Ve / Vt of the volume Ve occupied by the second space 420 to the inside total volume Vt of the cover 200 is 18%, as shown in FIG.
- the energization of the relay device is Possible and contact damage is in B state.
- the second space 420 If the ratio (Vr / Ve) of the volume (Vr) occupied by the components in the volume (Ve) exceeds 42% (sample 54 to sample 60), the relay device is not energized and the contact damage is in the D state. That is, a large amount of carbonized powder is generated to the extent that the contact carbonization marks can be visually identified, and thus, it does not operate because it is not energized itself.
- the volume Ve of the second space 420 It is preferable that the ratio (Vr / Ve) of the volume Vr occupied by the components is at least 21% to 42% (Sample 11 to Sample 53).
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Abstract
Description
Claims (5)
- 코일을 통해 선택적으로 전자기력을 발생하는 전자 블록; 각각 고정 접점이 설치되는 두 개의 고정 접점 단자; 상기 전자기력에 의해 요동하여 상기 고정 접점과 접촉하거나 개리되는 가동 접점이 선단부에 설치되어 있는 가동 접점 어셈블리; 및 상기 전자 블록, 상기 고정 접점 단자 및 상기 가동 접점 어셈블리를 유지하는 베이스 블록;을 커버 내에 수납한 릴레이 장치에 있어서,고정 접점과 고정 접점 단자 간의 접합면을 기준으로 상기 커버 내의 전체 공간은 두 부분으로 나누어지고, 상기 접합면을 기준으로 상기 전자 블록을 포함하는 부분은 제 1 공간으로 정의하고, 나머지 부분은 제 2 공간으로 정의하며,상기 커버의 내측 전체 부피(Vt) 중에서 상기 제 2 공간이 차지하는 부피(Ve)의 비율(Ve/Vt)은, 19% 내지 27%인 릴레이 장치.
- 제 1 항에 있어서,상기 제 2 공간의 부피(Ve)에 대한 상기 제 2 공간을 차지하는 부품들의 부피 합(Vr)의 비율(Vr/Ve)은, 21% 내지 42%인 릴레이 장치.
- 제 2 항에 있어서,상기 커버 내의 전체 공간을 두 부분으로 나누는 기준인 고정 접점은,상기 전자기력에 의해 상기 가동 접점 어셈블리의 일부가 흡인될 때 가동 접점과 접촉하는 고정 접점인 릴레이 장치.
- 코일을 통해 선택적으로 전자기력을 발생하는 전자 블록; 각각 고정 접점이 설치되는 두 개의 고정 접점 단자; 상기 전자기력에 의해 요동하여 상기 고정 접점과 접촉하거나 개리되는 가동 접점이 선단부에 설치되어 있는 가동 접점 어셈블리; 및 상기 전자 블록, 상기 고정 접점 단자 및 상기 가동 접점 어셈블리를 유지하는 베이스 블록;을 커버 내에 수납한 릴레이 장치에 있어서,고정 접점과 고정 접점 단자 간의 접합면을 기준으로 상기 커버 내의 전체 공간은 두 부분으로 나누어지고, 상기 접합면을 기준으로 상기 전자 블록을 포함하는 부분은 제 1 공간으로 정의하고, 나머지 부분은 제 2 공간으로 정의하며,상기 제 2 공간의 부피(Ve)에 대한 상기 제 2 공간을 차지하는 부품들의 부피 합(Vr)의 비율(Vr/Ve)은, 21% 내지 42%인 릴레이 장치.
- 제 4 항에 있어서,상기 커버 내의 전체 공간을 두 부분으로 나누는 기준인 고정 접점은,상기 전자기력에 의해 상기 가동 접점 어셈블리의 일부가 흡인될 때 가동 접점과 접촉하는 고정 접점인 릴레이 장치.
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JP2019530759A JP6957622B2 (ja) | 2016-12-23 | 2017-10-31 | リレー装置 |
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US11183351B2 (en) | 2021-11-23 |
US20190304723A1 (en) | 2019-10-03 |
JP6957622B2 (ja) | 2021-11-02 |
JP2020501326A (ja) | 2020-01-16 |
KR101888275B1 (ko) | 2018-08-14 |
KR20180074374A (ko) | 2018-07-03 |
CN208077878U (zh) | 2018-11-09 |
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