WO2022228346A1 - 继电器 - Google Patents

继电器 Download PDF

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Publication number
WO2022228346A1
WO2022228346A1 PCT/CN2022/088781 CN2022088781W WO2022228346A1 WO 2022228346 A1 WO2022228346 A1 WO 2022228346A1 CN 2022088781 W CN2022088781 W CN 2022088781W WO 2022228346 A1 WO2022228346 A1 WO 2022228346A1
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WO
WIPO (PCT)
Prior art keywords
terminal
relay
drive
shaft
contact
Prior art date
Application number
PCT/CN2022/088781
Other languages
English (en)
French (fr)
Inventor
姚保同
申强
汪鲁建
Original Assignee
比亚迪股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to EP22794816.3A priority Critical patent/EP4300535A4/en
Priority to JP2023560743A priority patent/JP7579989B2/ja
Priority to KR1020237030968A priority patent/KR20230144612A/ko
Publication of WO2022228346A1 publication Critical patent/WO2022228346A1/zh
Priority to US18/372,470 priority patent/US20240021388A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/047—Details concerning mounting a relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00—Details of relays
    • H01H45/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00—Details of relays
    • H01H45/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H2050/049—Assembling or mounting multiple relays in one common housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/543—Auxiliary switch inserting resistor during closure of contactor

Definitions

  • the present disclosure relates to the technical field of electrical equipment, and in particular, to a relay.
  • Relays are the basic components used to control and switch DC loads in the field of industrial control, and have a wide range of applications.
  • the relays in the prior art generally take the form of one-way contact control, and one relay can only control one control loop. Multiple relays need to be set for control for multiple control loops, such as the charging loop and the pre-charging loop of an electric vehicle. Power distribution modules with multiple relays will take up more space and increase production costs.
  • the present disclosure aims to solve the technical problem in the prior art that "multiple control loops need to be set with multiple relays for control", and effectively reduce the space occupied by the power distribution module.
  • the present disclosure proposes a relay, including a housing and a plurality of contact modules, the housing has an accommodating space inside, and each of the contact modules includes: a terminal assembly, including a spaced apart on the housing Two terminals on the accommodating space, the terminals at least partially extend into the accommodating space to form static contacts; the movable contact plate is movably arranged in the accommodating space, and the movable contact plate is used to contact the two said accommodating spaces.
  • a drive assembly including a drive shaft and a drive unit for driving the drive shaft, the drive shaft is connected with the movable contact board, and the drive unit is used for passing the drive
  • the shaft drives the movable contact plate to contact or separate from the two terminals;
  • the plurality of drive shafts corresponding to the plurality of contact modules are coaxially arranged, and the plurality of drive shafts can move relatively in the axial direction. Therefore, the relay can control the activities of different moving touch panels through different driving units, independently control the on-off of different control loops, and only occupies about the space occupied by one relay, which is beneficial to light weight and cost reduction.
  • the plurality of drive shafts include a central shaft and at least one sleeved shaft, the sleeved shaft is a hollow cylinder, and the sleeved shaft is sleeved on the central shaft to realize the connection of the plurality of drive shafts. relative activity.
  • the housing includes a top plate, and the plurality of terminal assemblies corresponding to the plurality of contact modules are staggered and disposed on the top plate, so that the on-off between the plurality of contact modules does not affect each other.
  • the length of the terminal extending into the accommodating space is the extending length, and the extending length of the terminal corresponding to the sleeve shaft is greater than the extending length of the terminal corresponding to the central shaft, ensuring that the Each contact module can be normally conducted without being affected by other contact modules.
  • the casing includes a top plate, a bottom plate, and a plurality of side plates connected between the top plate and the bottom plate, and the top plate, the bottom plate and the plurality of side plates are enclosed to form a the accommodating space;
  • the driving unit is arranged in the accommodating space, the driving unit includes an iron core and a driving coil, the iron core is arranged at the end of the driving shaft away from the movable contact plate, the The driving coil is used to drive the iron core to move in the axial direction;
  • the driving coils corresponding to the central shaft and the sleeve shaft are respectively staggered in the axial direction, and the driving coil corresponding to the central shaft is
  • the drive coil corresponding to the sleeve shaft is arranged close to the base plate.
  • the plurality of drive shafts include a plurality of sleeve shafts, and the plurality of sleeve shafts are sleeved on the central shaft in sequence along the radial direction of the central shaft.
  • the length of the terminal extending into the accommodating space is the extending length, and the extending length of the terminal corresponding to the sleeve shaft along the radial direction of the central axis is shorter. .
  • the casing includes a top plate, a bottom plate, and a plurality of side plates connected between the top plate and the bottom plate, and the top plate, the bottom plate and the plurality of side plates are enclosed to form a the accommodating space;
  • the driving unit is arranged in the accommodating space, the driving unit includes an iron core and a driving coil, the iron core is arranged at the end of the driving shaft away from the movable contact plate, the The driving coil is used to drive the iron core to move in the axial direction;
  • the plurality of driving coils corresponding to the plurality of contact modules are staggered in the axial direction, and among the plurality of driving coils, the The distance between the driving coil corresponding to the central axis and the bottom plate is the shortest, and the closer the radial direction of the central axis is to the driving coil corresponding to the sleeve shaft of the central axis, the closer to the driving coil corresponding to the central axis, so that each driving coil can be realized. Control the corresponding drive shaft individually.
  • the relay includes two groups of contact modules and a first resistor, the two groups of contact modules are respectively a first contact module and a second contact module, the first contact module is The two terminals of the point module are the first terminal and the second terminal respectively, the two terminals of the second contact module are the third terminal and the fourth terminal respectively, and the first terminal passes through the first resistor is electrically connected to the third terminal, and the second terminal is electrically connected to the fourth terminal.
  • the relay further includes a second resistor, and the third terminal is electrically connected to the fourth terminal through the second resistor.
  • the first resistor is disposed on the casing.
  • the first resistor is formed on the housing by printing.
  • the housing includes a top plate and a side plate, the side plate has a plurality of planes, and the first terminal, the second terminal, the third terminal and the fourth terminal are arranged on the On the top plate, the first resistor is arranged on at least one plane.
  • the housing is a ceramic housing, which can provide excellent sealing and insulating properties.
  • the present disclosure provides a relay, which includes a housing and a plurality of contact modules, a plurality of drive shafts corresponding to the plurality of contact modules are coaxially arranged, and the plurality of drive shafts can Upward relative activity. Therefore, the relay can control the activities of different moving touch panels through different driving units, independently control the on-off of different control loops, and only occupies about the space occupied by one relay, which is beneficial to light weight and cost reduction.
  • FIG. 1 is a perspective view of a relay according to an embodiment of the present invention.
  • Figure 2 is a top view of the relay shown in Figure 1;
  • FIG. 3 is a cross-sectional view of the relay shown in FIG. 1 along A-A;
  • FIG. 4 is a cross-sectional view along B-B of the relay shown in FIG. 1 .
  • the casing 10 the top plate 101, the bottom plate 103, the side plate 105, and the accommodating space 11;
  • the second contact module 22 the second terminal assembly 221, the third terminal 2211, the fourth terminal 2212, the second movable contact plate 223, the second drive assembly 225, the sleeve shaft 2251, the second drive unit 2253, the second iron Core 22531, second drive coil 22532;
  • the first resistor 31 and the second resistor 32 are connected to The first resistor 31 and the second resistor 32 .
  • the present invention provides a relay, the relay includes a housing and a plurality of contact modules, each contact module can control a corresponding control loop, through multiple integrated in the same housing Each contact module can realize that the relay controls a plurality of control loops respectively.
  • each contact module includes a terminal assembly, a movable contact plate and a driving assembly.
  • the terminal assembly includes two terminals spaced apart on the housing, the two terminals are used to connect to a control circuit, and the terminals at least partially protrude into the accommodating space to form a static contact, it should be understood that The point is that the end point of the terminal located in the accommodating space is a static contact.
  • the movable contact plate is movably arranged in the accommodating space, and the movable contact plate is used for contacting the static contacts corresponding to the two terminals to conduct the two terminals.
  • the drive assembly includes a drive shaft and a drive unit for driving the drive shaft, the drive shaft is connected with the movable contact panel and moves integrally, and the drive unit is used to drive the corresponding movable contact panel to connect with the drive shaft through the drive shaft.
  • the corresponding two terminals are contacted or separated, thereby turning on or off the corresponding control loop.
  • the movable contact plate is connected to the end of the drive shaft facing the terminal assembly, so that the movable contact plate can be contacted or separated from the corresponding two terminals.
  • the relay 99 includes two groups of contact modules, namely the first contact module 21 and the second contact module 22 .
  • the terminal assembly of the first contact module 21 is the first terminal assembly 211 .
  • the two terminals included in the first terminal assembly 211 are the first terminal 2111 and the second terminal 2112 which are arranged on the housing 10 at intervals.
  • the terminal 2111 and the second terminal 2112 are used to connect to the first control loop to control the on-off of the first control loop.
  • the movable contact plate of the first contact module 21 is the first movable contact plate 213, the first movable contact plate 213 is movable between the first position and the second position, and the first movable contact plate 213 is between the first position and the second position.
  • a terminal 2111 and the second terminal 2112 are in contact to conduct the first terminal 2111 and the second terminal 2112, and the first movable contact plate 213 is separated from the first terminal 2111 and the second terminal 2112 at the second position.
  • the driving component of the first contact module is the first driving component 215 .
  • the first driving component 215 includes a central axis 2151 and a first driving unit 2153 .
  • the first driving unit 2153 is used to drive the first movable contact plate 213 through the central axis 2151 . move between the first position and the second position.
  • the terminal assembly of the second contact module 22 is the second terminal assembly 221 , and the two terminals included in the second terminal assembly 221 are the third terminal 2211 and the fourth terminal 2212 which are arranged on the housing 10 at intervals. , the third terminal 2211 and the fourth terminal 2212 are used to connect to the second control loop to control the on-off of the second control loop.
  • the movable contact plate of the second contact module 22 is the second movable contact plate 223, the second movable contact plate 223 is movable between the third position and the fourth position, and the second movable contact plate 223 is between the third position and the fourth position.
  • the third terminal 2211 and the fourth terminal 2212 are in contact to conduct the third terminal 2211 and the fourth terminal 2212, and the second movable contact plate 223 is separated from the third terminal 2211 and the fourth terminal 2212 at the fourth position.
  • the driving component of the second contact module is the second driving component 225.
  • the second driving component 225 includes a sleeve shaft 2251 and a second driving unit 2253.
  • the second driving unit 2253 is used to drive the second movable contact plate 223 through the sleeve shaft 2251. Move between the third and fourth positions.
  • the central shaft 2151 and the sleeve shaft 2251 are coaxially arranged, and the central shaft 2151 and the sleeve shaft 2251 can move relative to each other in the axial direction, so that the contact module 21 and the contact module 22 can respectively control the first control loop and the second control loop on and off.
  • multiple drive shafts eg, 2151, 2251 corresponding to multiple contact modules (eg, 21, 22) are coaxially disposed, and the multiple drive shafts can move relative to each other in the axial direction, so that the The relay can control the activities of different moving contact boards (such as 213 or 223) through different drive units (such as 2153 or 2253), independently control the on-off of different control loops, and only occupy about the space occupied by the original relay, which is conducive to light Quantify and reduce costs.
  • the center shaft 2151 and the sleeve shaft 2251 are cylindrical, the sleeve shaft 2251 is a hollow cylinder, and the hollow part of the sleeve shaft 2251 is a cylindrical channel with a radius larger than that of the center shaft 2151, so that The sleeve shaft 2251 can be sleeved on the central shaft 2151 .
  • the sleeve shaft 2251 is sleeved on the central shaft 2151 , so that the sleeve shaft 2251 is coaxial with the central shaft 2151 , and the sleeve shaft 2251 can move relative to the central shaft 2251 in the axial direction.
  • cylindrical shape of the central shaft 2151 and the sleeve shaft 2251 is only an embodiment of the present invention, and the present invention does not limit the shape of the drive shafts (2151 and 2251).
  • Other shapes, such as polygonal prisms, are sufficient as long as the nesting and relative movement can be achieved.
  • the relay 99 is provided with two groups of contact modules ( 21 and 22 ), correspondingly, there are only two drive shafts, namely the central shaft 2151 and the sleeve shaft 2251 .
  • the relay may also be provided with a plurality of contact modules, and accordingly, the relay is provided with a plurality of drive shafts.
  • the plurality of drive shafts include a central shaft and a plurality of sleeved shafts, and the plurality of sleeved shafts are sleeved on the central shaft in turn along the radial direction of the central shaft.
  • the plurality of sleeve shafts are respectively the first sleeve shaft, the second sleeve shaft...the N-1th sleeve shaft, the Nth sleeve shaft, and the hollow part of the first sleeve shaft can be passed through by the central shaft.
  • the hollow part of the second sleeve shaft can be passed through by the first sleeve shaft...
  • the hollow part of the Nth sleeve shaft can be passed through by the N-1th sleeve shaft, so that the first sleeve shaft can be inserted Sleeve on the central shaft, the second sleeve shaft is sleeved on the first sleeve shaft...
  • the Nth sleeve shaft is sleeved on the N-1th sleeve shaft, and the plurality of sleeve shafts are formed to be sleeved on the first sleeve shaft in sequence.
  • the central shaft has a multi-layered structure, and each drive shaft can move independently in the axial direction relative to the other drive shafts.
  • the present invention does not limit the number of sleeve shafts.
  • the plurality of drive shafts provided by the relay include a central shaft and at least one sleeve shaft, and the sleeve shaft only needs to be sleeved on the central shaft.
  • the central shaft 2151 is a solid shaft, which can provide better support strength, but this is only an embodiment of the present invention.
  • the central shaft 2151 can also be hollow, as long as The sleeve shaft 2251 can be sleeved on the central shaft 2151, and the present invention does not limit whether the central shaft 2151 is a solid shaft.
  • the housing 10 includes a top plate 101 , a bottom plate 103 and a side plate 105 connected between the top plate 101 and the bottom plate 103 .
  • the top plate 101 , the bottom plate 103 and the side plate 105 are hermetically connected, and the accommodating space 11 is a sealed space, thereby preventing the external environment from affecting the relay 99 , making the working environment of the relay 99 more stable, and preventing The arc generated when the relay 99 is turned on and off causes a potential safety hazard to the outside world, and it is also convenient for the relay 99 to do a matching arc extinguishing design.
  • the axial directions of the central shaft 2151 and the sleeve shaft 2251 are perpendicular to the top plate 101
  • the first terminal assembly 211 and the second terminal assembly 221 are staggered on the top plate 101
  • the first terminal 2111 and the second terminal 2112 The center connection line of the third terminal 2211 and the center connection line of the fourth terminal 2212 intersect at the intersection of the axis of the central axis 2151 and the top plate 101, and the first movable contact plate 213 moves to the first terminal 2111 and the second terminal 2112.
  • the axial directions of the plurality of drive shafts of the relay are perpendicular to the top plate of the casing, and are arranged on the top plate by staggering a plurality of terminal assemblies, and are in contact with or separate from the corresponding terminal assemblies along the axial direction, and between the plurality of contact modules The on-off does not affect each other.
  • the plurality of terminal assemblies are staggered and arranged on the top plate, which is only an embodiment of the present invention. In other embodiments, the plurality of terminal assemblies may also be arranged in other manners.
  • a step, the step surface of the step is perpendicular to the axial direction of the drive shaft, and the terminal is arranged on the step surface.
  • the present invention does not limit the specific arrangement of the terminal assemblies .
  • the first movable contact plate 213 is arranged corresponding to the first terminal assembly 211
  • the second movable contact plate 223 is arranged corresponding to the second terminal assembly, so that the first movable contact plate 223 is arranged corresponding to the second terminal assembly.
  • the terminal 2111 and the center line of the second terminal 2112 correspond to each other, and the projection of the second movable contact plate 223 on the top plate 101 corresponds to the center line of the third terminal 2211 and the fourth terminal 2212 .
  • the contact between the first movable contact plate 213 and the corresponding first terminal assembly 211 is not affected by the second terminal assembly 221, so that the contact between the second movable contact plate 223 and the corresponding second terminal assembly 221 is not affected by the first terminal assembly 211.
  • the length of the terminal extending into the accommodating space is defined as the extending length, that is, the distance between the stationary contact corresponding to the terminal and the top plate is the extending length of the terminal.
  • the first movable contact plate 213 is disposed at the end of the central shaft 2151 facing the top plate 101 , and the sleeve shaft 2251 will be blocked by the first movable contact plate 213 when it moves toward the top plate 101 , so that the sleeve shaft 2251 is blocked by the first movable contact plate 213 . 2251
  • the second movable contact plate 223 facing the end of the top plate 101 cannot exceed the first movable contact plate 213 in the direction toward the top plate 101 .
  • the protruding length of the third terminal 2211 and the fourth terminal 2212 corresponding to the sleeve shaft 2251 is greater than the central axis 2151 corresponds to the protruding length of the first terminal 2111 and the second terminal 2112, that is, the first position is closer to the top plate 101 than the third position, so that the first movable contact plate 213 is in the first position and the first terminal assembly
  • the second movable contact plate 223 will not be blocked from moving to the third position, and the second contact module 22 can normally conduct the second control loop.
  • the first contact module 21 needs to disconnect the first control loop, and the second contact module 22 needs to conduct the second control loop, because the first movable contact plate 213 in the third position is not connected to the first control loop A terminal 2111 and a second terminal 2112 are in contact, so that the first movable contact plate 213 does not hinder the second movable contact plate 223 from moving to the third position, so that the first control can be disconnected at the first contact module 21 During the loop, the second contact module 22 normally conducts the second control loop.
  • the second position of the first movable contact pad 213 is closer to the top plate 101 than the third position of the second movable contact pad 223 , so that when the second movable contact pad 223 is at the third position, the first The movable contact plate 213 can be disconnected safely.
  • the relay may include multiple contact modules.
  • the terminal corresponding to the central shaft has the shortest extension length, and the sleeve shaft closer to the central shaft in the radial direction of the central shaft corresponds to The shorter the extension length of the terminal is, thus ensuring that each contact module can be normally conducted without being affected by other contact modules.
  • the first moving contact plate 213 and the second moving contact plate 223 are driven by electromagnetic driving, and the first driving unit 2153 and the second driving unit 2253 are arranged in the accommodating space 11 . .
  • the first driving unit 2153 includes a first iron core 21531 and a first driving coil 21532.
  • the first iron core 21531 is disposed at one end of the central shaft 2151 away from the first movable contact plate 213, and the first iron core 21531 and the central shaft 2151 move integrally.
  • the first driving coil 21532 is used to drive the first iron core 21531 to move in the axial direction. Electromagnetic drive is the prior art in the field, and details are not described here.
  • the first driving coil 21532 is disposed on the bottom plate 103. When the first driving coil 21532 is supplied with a current in the first direction, the first iron core 21532 is moved upward by the magnetic field force, and simultaneously drives the first movable contact plate 213 to move to the first position. .
  • the first driving coil 21532 can be supplied with a current in a second direction opposite to the first direction, and the first iron core 21531 is subjected to a downward magnetic field force, so that the first moving contact
  • the board 213 is separated from the first terminal 2111 and the second terminal 2112 .
  • the second driving unit 2253 includes a second iron core 22531 and a second driving coil 22532.
  • the second iron core 22531 is disposed at the end of the sleeve shaft 2251 away from the second movable contact plate 223, and the second iron core 22531 and the sleeve shaft 2251 move integrally.
  • the second driving coil 22532 is staggered from the first driving coil 21531 in the axial direction, and the second driving coil 22532 is located above the first driving coil 21531 .
  • the second driving coil 22532 passes the current in the third direction, the second iron core 22532 is moved upward by the force of the magnetic field, and simultaneously drives the second movable contact plate 223 to move to the third position.
  • the second driving coil 22532 can be supplied with a current in a fourth direction opposite to the third direction, and the second iron core 22531 is subjected to a downward magnetic field force, so that the second moving contact
  • the board 223 is separated from the third terminal 2211 and the fourth terminal 2212 .
  • the end of the central shaft 2151 away from the first movable contact plate 213 needs to extend from the sleeve shaft 2251 to be connected to the first iron core 21531. Therefore, the first iron core 21531 is disposed closer to the bottom plate 103 than the second iron core 22531.
  • the first driving coil 21532 and the second driving coil 22532 need to be arranged corresponding to the first iron core 21531 and the second iron core 22531 respectively.
  • the first driving coil 21532 is arranged closer to the base plate 103 than the second coil 22532, so that the first driving coil The 21532 and the second driving coil 22532 can drive the first iron core 21531 and the second iron core 22531 independently, and flexibly control the on-off of the first control loop and/or the second control loop.
  • the relay includes more than two sets of contact modules, that is, there are multiple sleeve shafts.
  • the multiple drive coils corresponding to the multiple contact modules are staggered in the axial direction of the drive shaft.
  • the distance between the drive coil corresponding to the central axis and the bottom plate of the housing is the shortest, and the closer the radial direction of the central axis is to the drive coil corresponding to the sleeve shaft of the central axis, the closer to the central axis. the corresponding drive coil.
  • the present invention does not limit the specific number of contact modules provided in the relay, as long as it includes a central shaft and at least one sleeved shaft, and the drive coils corresponding to the central shaft and the sleeved shaft respectively are in the axial direction.
  • the drive coil corresponding to the central axis is disposed closer to the base plate than the drive coil corresponding to the sleeve shaft, so that each drive coil can control the corresponding drive shaft independently.
  • the relay 99 can be applied to the charging circuit of the electric vehicle.
  • the relay 99 further includes a first resistor 31 , the first terminal 2111 is electrically connected to the third terminal 2211 through the first resistor 31 , and the second terminal 2112 is electrically connected to the fourth terminal 2212 .
  • the second control loop connected to the third terminal 2211 and the fourth terminal 2212 is the main charging loop, then the first terminal 2111, the second terminal 2112 and the first resistor 31 are connected in parallel with the second control loop as the pre-charging loop of the electric vehicle. charging circuit.
  • the second contact module 22 disconnects the main charging circuit, the first contact module 21 conducts the pre-charging circuit, and the first resistor 31 reduces the charging circuit of the electric vehicle
  • the current of the electric vehicle gradually charges the capacitor in the charging circuit of the electric vehicle.
  • the second contact module 22 conducts the main charging circuit, and the precharge circuit is disconnected by the first contact module 21 at the same time.
  • the relay 99 integrates the main charging circuit relay, the pre-charging circuit relay and the pre-charging resistance in the charging circuit of the electric vehicle, which reduces the space occupied by the power distribution components in the electric vehicle, which is beneficial to the lightweight of the electric vehicle and saves the cost. .
  • the first resistor 31 is disposed on the casing 10 , and the first resistor 31 is disposed against the casing 10 to further save the occupied space.
  • the present invention does not limit how the first resistor 31 is disposed on the casing 10 .
  • the first resistor 31 is a resistance wire wound around the casing 10 , which is convenient for installation.
  • the first resistor 31 is formed on the casing 10 by printing, and the first resistor 31 is in closer contact with the casing 10 , which facilitates heat dissipation of the first resistor 31 through the casing 10 .
  • the side plate 105 has a plurality of planes, and the first resistor 31 is disposed on at least one plane. As shown in FIG. 1 , the first resistor 31 can be directly disposed on one plane by printing, so that the side plate 105 Other functional parts (such as arc extinguishing magnets) are set on other planes.
  • the relay 99 further includes a second resistor 32, and the third terminal 2211 is electrically connected to the fourth terminal 2212 through the second resistor 32 to increase the precharge resistance value in the precharge circuit.
  • the casing 10 is a ceramic casing, which can provide excellent sealing performance and insulation performance, and can effectively dissipate heat to the first resistor 31 and the second resistor 32 disposed on the casing 10 .
  • the present disclosure provides a relay, which includes a housing and a plurality of contact modules, a plurality of drive shafts corresponding to the plurality of contact modules are coaxially arranged, and the plurality of drive shafts can Upward relative activity. Therefore, the relay can control the activities of different moving touch panels through different driving units, independently control the on-off of different control loops, and only occupies about the space occupied by one relay, which is beneficial to light weight and cost reduction.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

一种继电器(99)，包括壳体(10)和多个触点模组(21,22)。壳体内部具有容置空间，每一触点模组包括端子组件(211,221)、动触板(213,223)以及驱动组件(215,225)。端子组件包括间隔开设置于壳体上的两个端子(2111,2112,2211,2212)，端子至少部分伸入容置空间内形成静触点。动触板活动设置于容置空间内，用于接触两个静触点以导通两个端子。驱动组件包括驱动轴(2151,2251)以及驱动驱动轴的驱动单元(2153,2253)，驱动轴与动触板连接，驱动单元用于通过驱动轴驱动动触板与两个端子接触或分离。多个触点模组对应的多个驱动轴同轴设置，多个驱动轴可在轴向上相对活动。继电器可通过不同的驱动单元分别控制不同的动触板活动，单独控制不同控制回路的通断，且仅占用约原一个继电器所占空间，利于轻量化和降低成本。

Description

继电器
本公开要求于2021年04月27日提交中国专利局，申请号为202110458447.3，申请名称为“继电器”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及电气设备技术领域，具体涉及一种继电器。
背景技术
继电器是工业控制领域用于控制和切换直流负载的基础元件，具有广泛应用。
现有技术中的继电器一般采用一路触点控制的形式，一个继电器只能控制一个控制回路，对于多个控制回路需要设置多个继电器进行控制，例如电动车的充电回路和预充回路。设置多个继电器的配电模块将占用更多的空间，也提升了生产成本。
发明内容
本公开内容旨在解决现有技术中的“对于多个控制回路需要设置多个继电器进行控制”的技术问题，有效减少配电模块所占用空间。
本公开提出一种继电器，包括壳体和多个触点模组，所述壳体内部具有容置空间，每一所述触点模组包括：端子组件，包括间隔开设置于所述壳体上的两个端子，所述端子至少部分伸入所述容置空间内形成静触点；动触板，活动设置于所述容置空间内，所述动触板用于接触两个所述静触点以导通所述两个 端子；驱动组件，包括驱动轴以及驱动所述驱动轴的驱动单元，所述驱动轴与所述动触板连接，所述驱动单元用于通过所述驱动轴驱动所述动触板与所述两个端子接触或分离；所述多个触点模组对应的多个驱动轴同轴设置，所述多个驱动轴可在轴向上相对活动。从而所述继电器可通过不同的驱动单元分别控制不同的动触板活动，单独控制不同控制回路的通断，且仅占用约原一个继电器所占空间，利于轻量化和降低成本。
在一实施例中，所述多个驱动轴包括中心轴和至少一个套装轴，所述套装轴为中空柱体，所述套装轴套于所述中心轴上，实现所述多个驱动轴的相对活动。
在一实施例中，所述壳体包括顶板，所述多个触点模组对应的多个端子组件错开设置于所述顶板，使得多个触点模组之间的通断相互不影响。
在一实施例中，所述端子伸入所述容置空间内的长度为伸入长度，所述套装轴对应的端子的伸入长度大于所述中心轴对应的端子的伸入长度，保证了各触点模组可不受其他触点模组的影响正常导通。
在一实施例中，所述壳体包括顶板、底板以及连接于所述顶板和所述底板之间的多个侧板，所述顶板、所述底板以及所述多个侧板围合形成所述容置空间；所述驱动单元设置于所述容置空间内，所述驱动单元包括铁芯和驱动线圈，所述铁芯设置于所述驱动轴远离所述动触板的一端，所述驱动线圈用于驱动所述铁芯在所述轴向上活动；所述中心轴和所述套装轴分别对应的驱动线圈在所述轴向上错开，所述中心轴对应的驱动线圈较所述套装轴对应的驱动线圈靠近所述底板设置。
在一实施例中，所述多个驱动轴包括多个套装轴，所述多个套装轴沿所述中心轴的径向依次套设于所述中心轴上。
在一实施例中，所述端子伸入所述容置空间内的长度为伸入长度，沿所述中心轴的径向越靠近所述中心轴的套装轴对应的端子的伸入长度越短。
在一实施例中，所述壳体包括顶板、底板以及连接于所述顶板和所述底板之间的多个侧板，所述顶板、所述底板以及所述多个侧板围合形成所述容置空间；所述驱动单元设置于所述容置空间内，所述驱动单元包括铁芯和驱动线圈，所述铁芯设置于所述驱动轴远离所述动触板的一端，所述驱动线圈用于驱动所述铁芯在所述轴向上活动；所述多个触点模组对应的多个驱动线圈在所述轴向上错开设置，所述多个驱动线圈中，所述中心轴对应的驱动线圈与所述底板的距离最短，沿所述中心轴的径向越靠近所述中心轴的套装轴对应的驱动线圈越靠近所述中心轴对应的驱动线圈，实现各驱动线圈单独控制对应的驱动轴。
在一实施例中，所述继电器包括两组触点模组以及第一电阻，所述两组触点模组分别为第一触点模组和第二触点模组，所述第一触点模组的两个端子分别为第一端子和第二端子，所述第二触点模组的两个端子分别为第三端子和第四端子，所述第一端子通过所述第一电阻与所述第三端子电连接，所述第二端子与所述第四端子电连接。
在一实施例中，所述继电器还包括第二电阻，所述第三端子通过所述第二电阻与所述第四端子电连接。
在一实施例中，所述第一电阻设置于所述壳体上。
在一实施例中，所述第一电阻通过印刷形成于所述壳体上。
在一实施例中，所述壳体包括顶板和侧板，所述侧板具有多个平面，所述第一端子、所述第二端子、所述第三端子以及所述第四端子设置于所述顶板上，所述第一电阻设置于至少一个平面上。
在一实施例中，所述壳体为陶瓷壳体，能够提供优秀的密封性能和绝缘性 能。
综上所述，本公开提供一种继电器，包括壳体和多个触点模组，所述多个触点模组对应的多个驱动轴同轴设置，所述多个驱动轴可在轴向上相对活动。从而所述继电器可通过不同的驱动单元分别控制不同的动触板活动，单独控制不同控制回路的通断，且仅占用约原一个继电器所占空间，利于轻量化和降低成本。
附图说明
本公开的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1为本发明一种实施方式的继电器的立体图；
图2为图1所示继电器的俯视图；
图3为图1所示继电器沿A-A的剖面图；
图4为图1所示继电器沿B-B的剖面图。
附图标记：
继电器99；
壳体10、顶板101、底板103、侧板105、容置空间11；
第一触点模组21、第一端子组件211、第一端子2111、第二端子2112、第一动触板213、第一驱动组件215、中心轴2151、第一驱动单元2153、第一铁芯21531、第一驱动线圈21532；
第二触点模组22、第二端子组件221、第三端子2211、第四端子2212、第二动触板223、第二驱动组件225、套装轴2251、第二驱动单元2253、第二铁芯22531、第二驱动线圈22532；
第一电阻31、第二电阻32。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
在本公开的描述中，需要理解的是，术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
在详细描述实施例之前，应当理解的是，本公开不限于本公开中下文或附图中所描述的详细结构或元件排布。本公开可为其他方式实现的实施例。并且，应当理解，本文所使用的措辞及术语仅仅用作描述用途，不应作限定性解释。本文所使用的“包括”、“包含”、“具有”等类似措辞意为包含其后所列出之事项、其等同物及其它附加事项。特别是，当描述“一个某元件”时，本公开并不限定该元件的数量为一个，也可以包括多个。
如图1至图4，本发明提供一种继电器，所述继电器包括壳体和多个触点模组，每一触点模组能够控制一个对应的控制回路，通过集成于同一壳体内的多个触点模组能够实现所述继电器分别对多个控制回路进行控制。
所述壳体内部具有容置空间，每一触点模组包括端子组件、动触板以及驱动组件。
所述端子组件包括间隔开设置于壳体上的两个端子，所述两个端子用于连接一控制回路中，所述端子至少部分伸入所述容置空间内形成静触点，应当理 解的是，所述端子位于所述容置空间的端点为静触点。
所述动触板活动设置于所述容置空间内，所述动触板用于接触所述两个端子对应的静触点以导通所述两个端子。
所述驱动组件包括驱动轴以及驱动所述驱动轴的驱动单元，所述驱动轴与所述动触板连接并一体活动，所述驱动单元用于通过所述驱动轴驱动对应的动触板与对应的两个端子接触或分离，从而导通或断开对应的控制回路。具体地，所述动触板连接于所述驱动轴朝向所述端子组件的一端，便于所述动触板与对应的所述两个端子接触或分离。
如图1至4所示实施例中，继电器99包括两组触点模组，分别为第一触点模组21和第二触点模组22。
第一触点模组21的端子组件为第一端子组件211，第一端子组件211所包括的两个端子为间隔开设置于壳体10上的第一端子2111和第二端子2112，第一端子2111和第二端子2112用于连接至第一控制回路中以控制第一控制回路的通断。
第一触点模组21的动触板为第一动触板213，第一动触板213在第一位置和第二位置之间可活动，第一动触板213在第一位置与第一端子2111和第二端子2112接触而导通第一端子2111和第二端子2112，第一动触板213在第二位置与第一端子2111和第二端子2112分离。
第一触点模组的驱动组件为第一驱动组件215，第一驱动组件215包括中心轴2151和第一驱动单元2153，第一驱动单元2153用于通过中心轴2151驱动第一动触板213在第一位置和第二位置之间活动。
相应地，第二触点模组22的端子组件为第二端子组件221，第二端子组件221所包括的两个端子为间隔开设置于壳体10上的第三端子2211和第四端 子2212，第三端子2211和第四端子2212用于连接至第二控制回路中以控制第二控制回路的通断。
第二触点模组22的动触板为第二动触板223，第二动触板223在第三位置和第四位置之间可活动，第二动触板223在第三位置与第三端子2211和第四端子2212接触而导通第三端子2211和第四端子2212，第二动触板223在第四位置与第三端子2211和第四端子2212分离。
第二触点模组的驱动组件为第二驱动组件225，第二驱动组件225包括套装轴2251和第二驱动单元2253，第二驱动单元2253用于通过套装轴2251驱动第二动触板223在第三位置和第四位置之间活动。
中心轴2151与套装轴2251同轴设置，中心轴2151和套装轴2251可在轴向上相对活动，从而触点模组21和触点模组22可分别控制第一控制回路和第二控制回路的通断。
在本发明中，多个触点模组(如21、22)对应的多个驱动轴(如2151、2251)同轴设置，所述多个驱动轴可在轴向上相对活动，从而所述继电器可通过不同的驱动单元(如2153或2253)分别控制不同的动触板(如213或223)活动，单独控制不同控制回路的通断，且仅占用约原一个继电器所占空间，利于轻量化和降低成本。
在图1至图4所示实施例中，中心轴2151和套装轴2251为圆柱状，套装轴2251为中空柱体，且套装轴2251的中空部分为半径大于中心轴2151的圆柱状通道，使得套装轴2251可套装至中心轴2151上。套装轴2251套于中心轴2151上，使得套装轴2251与中心轴2151同轴，且套装轴2251可相对中心轴2251在轴向上活动。应当理解的是，中心轴2151和套装轴2251为圆柱状仅作为本发明的一种实施方式，本发明对驱动轴(2151和2251)的形状不作 限定，在其他实施例中，也可以设置成其他形状，例如多棱柱，只要能实现套装以及相对活动即可。
在本实施例中，继电器99设有两组触点模组(21和22)，相应地，仅设有两个驱动轴，分别是中心轴2151和套装轴2251。应当理解的是，这仅作为本发明的一种实施方式，继电器还可设置多个触点模组，相应地，所述继电器设有多个驱动轴。所述多个驱动轴包括中心轴和多个套装轴，所述多个套装轴沿所述中心轴的径向依次套装于所述中心轴上。即所述多个套装轴分别为第一套装轴、第二套装轴…第N-1套装轴、第N套装轴，所述第一套装轴的中空部分可供所述中心轴穿过、所述第二套装轴的中空部分可供所述第一套装轴穿过…所述第N套装轴的中空部分可供所述第N-1套装轴穿过，使得可将所述第一套装轴套于所述中心轴上、所述第二套装轴套于所述第一套装轴上…所述第N套装轴套于第N-1套装轴上，所述多个套装轴形成依次套于所述中心轴的多层结构，且每一驱动轴都可相对其他驱动轴在轴向上单独活动。本发明对套装轴的数量不作限定，继电器所设置的多个驱动轴包括中心轴和至少一个套装轴，所述套装轴套于所述中心轴上即可。
在本实施例中，中心轴2151为实心轴，其能提供更好的支撑强度，但是这仅作为本发明的一种实施方式，在其他实施例中，中心轴2151也可以是空心的，只要能实现套装轴2251套于中心轴2151上即可，本发明对中心轴2151是否为实心轴不作限定。
如图3所示，壳体10包括顶板101、底板103以及连接于顶板101和底板103之间的侧板105，顶板101、底板103以及侧板105围合形成容置空间11。根据本公开的一个实施例，顶板101、底板103以及侧板105密封连接，容置空间11为密封空间，由此防止外界环境对继电器99的影响，使得继电器 99的工作环境更稳定，亦防止继电器99通断时产生的电弧对外界造成安全隐患，也便于继电器99做配套的灭弧设计。
在所示实施例中，中心轴2151和套装轴2251的轴向垂直于顶板101，第一端子组件211和第二端子组件221错开设置于顶板101上，且第一端子2111和第二端子2112的中心连线与第三端子2211和第四端子2212的中心连线相交于中心轴2151的轴线与顶板101的交点，在第一动触板213活动至与第一端子2111、第二端子2112接触的过程中不会受到第三端子2211和第四端子2212的阻挡，在第二动触板223活动至第三端子2211和第四端子2212接触的过程中也不会受到第一端子2111和第二端子2112的阻挡。
继电器的多个驱动轴的轴向垂直于壳体的顶板，通过多个端子组件错开设置于所述顶板，沿该轴向与对应的端子组件接触或分离，且多个触点模组之间的通断相互不影响。
应当理解的是，多个端子组件错开设置于顶板上，仅作为本发明的一种实施方式，在其他实施例中，多个端子组件还可以有其他设置方式，例如，壳体还设有多个台阶，该台阶的台阶面与驱动轴的轴向垂直，端子设置于台阶面上。只要能实现多个动触板沿该轴向与对应的端子组件接触或分离，且多个触点模组之间的通断相互不影响即可，本发明对端子组件的具体设置方式不作限定。
相应地，在图1至图4所示实施例中，第一动触板213与第一端子组件211对应设置，第二动触板223与第二端子组件对应设置，使得第一动触板213与第二动触板223错开一定角度，即第一动触板213和第二动触板223在顶板101上的投影不重合，第一动触板213在顶板101上的投影与第一端子2111和第二端子2112的中心连线对应，第二动触板223在顶板101上的投影与第三端子2211和第四端子2212的中心连线对应。使得第一动触板213与对应的 第一端子组件211接触不受第二端子组件221影响，使得第二动触板223与对应的第二端子组件221接触不受第一端子组件211影响。
为了方便描述，将端子伸入容置空间内的长度定义为伸入长度，即该端子对应的静触点与顶板之间的距离为该端子的伸入长度。在所示实施例中，第一动触板213设置于中心轴2151朝向顶板101的端部，套装轴2251在朝向顶板101活动时将受到第一动触板213的阻挡，使得设置于套装轴2251朝向顶板101的端部的第二动触板223无法在朝向顶板101的方向上超过第一动触板213。为了使第二触点模组22的导通不受第一动触板213的影响，在本实施例中，套装轴2251对应的第三端子2211和第四端子2212的伸入长度大于中心轴2151对应的第一端子2111和第二端子2112的伸入长度，即所述第一位置较所述第三位置更靠近顶板101，使得第一动触板213在第一位置与第一端子组件211接触时不会阻挡第二动触板223活动至第三位置，第二触点模组22可正常导通所述第二控制回路。
当第一触点模组21需要断开所述第一控制回路，而第二触点模组22需要导体所述第二控制回路时，由于第一动触板213在第三位置未与第一端子2111、第二端子2112接触，使得第一动触板213不会阻碍第二动触板223可活动至第三位置，使得可在第一触点模组21断开所述第一控制回路时，第二触点模组22正常导通所述第二控制回路。根据本公开的一个实施例，使第一动触板213的第二位置较第二动触板223的第三位置更靠近顶板101，使得第二动触板223在第三位置时，第一动触板213可以安全断开。
同理，继电器可包括多个触点模组，在多个驱动轴中，中心轴所对应的端子的伸入长度最短，沿所述中心轴的径向越靠近所述中心轴的套装轴对应的端子的伸入长度越短，从而保证了各触点模组可不受其他触点模组的影响正常导 通。
如图1至图4所示实施例中，采用电磁驱动的方式驱动第一动触板213和第二动触板223，第一驱动单元2153和第二驱动单元2253设置于容置空间11内。
第一驱动单元2153包括第一铁芯21531和第一驱动线圈21532，第一铁芯21531设置于中心轴2151远离第一动触板213的一端，第一铁芯21531与中心轴2151一体活动，第一驱动线圈21532用于驱动第一铁芯21531在所述轴向上活动。电磁驱动为本领域的现有技术，在此不作赘述。第一驱动线圈21532设置于底板103上，第一驱动线圈21532在通入第一方向的电流时，第一铁芯21532受磁场力向上活动，同时带动第一动触板213活动至第一位置。当需要断开所述第一控制回路时，可使第一驱动线圈21532通入与第一方向相反的第二方向的电流，第一铁芯21531受到向下的磁场力，使得第一动触板213脱离第一端子2111、第二端子2112。
第二驱动单元2253包括第二铁芯22531和第二驱动线圈22532，第二铁芯22531设置于套装轴2251远离第二动触板223的一端，第二铁芯22531与套装轴2251一体活动，第二驱动线圈22532与所述第一驱动线圈21531在所述轴向上错开设置，第二驱动线圈22532位于第一驱动线圈21531的上方。当第二驱动线圈22532通入第三方向的电流时，第二铁芯22532受磁场力向上活动，同时带动第二动触板223活动至第三位置。当需要断开所述第二控制回路时，可使第二驱动线圈22532通入与第三方向相反的第四方向的电流，第二铁芯22531受到向下的磁场力，使得第二动触板223脱离第三端子2211、第四端子2212。
中心轴2151远离第一动触板213的一端需要伸出套装轴2251与第一铁芯 21531连接，因此，第一铁芯21531较第二铁芯22531更靠近底板103设置。而第一驱动线圈21532和第二驱动线圈22532需分别与第一铁芯21531和第二铁芯22531对应设置，因此第一驱动线圈21532较第二线圈22532靠近底板103设置，从而第一驱动线圈21532和第二驱动线圈22532可分别单独驱动第一铁芯21531和第二铁芯22531，灵活控制所述第一控制回路和/或所述第二控制回路的通断。
在其他实施例中，继电器包括两组以上的触点模组，即设有多个套装轴，相似地，多个触点模组对应的多个驱动线圈在驱动轴的轴向上错开设置，所述多个驱动线圈中，中心轴对应的驱动线圈与壳体的底板的距离最短，沿所述中心轴的径向越靠近所述中心轴的套装轴对应的驱动线圈越靠近所述中心轴对应的驱动线圈。应当理解的是，本发明对继电器设置触点模组的具体数量不作限制，只要包括中心轴和至少一个套装轴，所述中心轴和所述套装轴分别对应的驱动线圈在所述轴向上错开，所述中心轴对应的驱动线圈较所述套装轴对应的驱动线圈靠近所述底板设置，实现各驱动线圈单独控制对应的驱动轴即可。
如图1至图4所示的实施例中，可将继电器99应用于电动车的充电回路。继电器99还包括第一电阻31，第一端子2111通过第一电阻31与第三端子2211电连接，第二端子2112与第四端子2212电连接。第三端子2211和第四端子2212连接的所述第二控制回路为主充电回路，则第一端子2111、第二端子2112以及第一电阻31与所述第二控制回路并联为电动车的预充电回路。在所述电动车充电时，第二触点模组22断开所述主充电回路，第一触点模组21导通所述预充电回路，第一电阻31降低所述电动车的充电回路的电流，逐渐给所述电动车的充电回路中的电容器充电，当所述电容器的电压与电池的电压之间的压差较小时，再由第二触点模组22导通所述主充电回路，同时由第一触点模 组21断开所述预充电回路。继电器99集成了所述电动车的充电回路中的主充电回路继电器、预充电回路继电器以及预充电阻，减少了配电元件在所述电动车中所占空间，利于电动车轻量化，节约成本。
在本实施例中，第一电阻31设置于壳体10上，第一电阻31贴靠壳体10设置，进一步节省占用的空间。本发明对第一电阻31如何设置于壳体10上不作限定。在一种实施方式中，第一电阻31为绕设于壳体10的电阻丝，方便设置。在另一种实施方式中，第一电阻31通过印刷形成于壳体10上，第一电阻31与壳体10接触更紧密，利于通过壳体10对第一电阻31进行散热。
进一步地，侧板105具有多个平面，第一电阻31设置于至少一个平面上，如图1所示，第一电阻31可通过印刷的方式直接设置于一个平面上，使得可在侧板105的其他平面设置其他功能件(例如灭弧磁铁)。
在本实施例中，继电器99还包括第二电阻32，第三端子2211通过第二电阻32与第四端子2212电连接，提升所述预充电回路中的预充电阻值。
根据本公开的一个实施例，壳体10为陶瓷壳体，其能够提供优秀的密封性能和绝缘性能，且能对设置于壳体10上的第一电阻31和第二电阻32进行有效散热。
综上所述，本公开提供一种继电器，包括壳体和多个触点模组，所述多个触点模组对应的多个驱动轴同轴设置，所述多个驱动轴可在轴向上相对活动。从而所述继电器可通过不同的驱动单元分别控制不同的动触板活动，单独控制不同控制回路的通断，且仅占用约原一个继电器所占空间，利于轻量化和降低成本。
本文所描述的概念在不偏离其精神和特性的情况下可以实施成其它形式。所申请的具体实施例应被视为例示性而不是限制性。因此，本公开的范围是由 所附的权利要求，而不是根据之前的这些描述进行确定。在权利要求的字面意义及等同范围内的任何改变都应属于这些权利要求的范围。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域的普通技术人员在不脱离本公开的原理和宗旨的情况下在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (14)

  1. 一种继电器(99)，其特征在于，包括壳体(10)和多个触点模组(21，22)，所述壳体(10)内部具有容置空间(11)，每一所述触点模组(21，22)包括：
    端子组件(211，221)，包括间隔开设置于所述壳体(10)上的两个端子，所述端子至少部分伸入所述容置空间(11)内形成静触点；
    动触板(213，223)，活动设置于所述容置空间(11)内，所述动触板(213，223)用于接触两个所述静触点以导通所述两个端子；以及
    驱动组件(215，225)，包括驱动轴以及驱动所述驱动轴的驱动单元(2153，2253)，所述驱动轴与所述动触板(213，223)连接，所述驱动单元(2153，2253)用于通过所述驱动轴驱动所述动触板(213，223)与所述两个端子接触或分离，
    所述多个触点模组(21，22)所对应的多个驱动轴同轴设置，所述多个驱动轴可在轴向上相对活动。
  2. 如权利要求1所述的继电器(99)，其特征在于，所述多个驱动轴包括中心轴(2151)和至少一个套装轴(2251)，所述套装轴(2251)为中空柱体，所述套装轴(2251)套于所述中心轴(2151)上。
  3. 如权利要求2所述的继电器(99)，其特征在于，所述壳体(10)包括顶板(101)，所述多个触点模组(21，22)对应的多个端子组件错开设置于所述顶板(101)。
  4. 如权利要求2所述的继电器(99)，其特征在于，所述端子伸入所述容置空间(11)内的长度为伸入长度，所述套装轴(2251)对应的端子的伸入长度大于所述中心轴(2151)对应的端子的伸入长度。
  5. 如权利要求4所述的继电器(99)，其特征在于，所述壳体(10)包括顶板(101)、底板(103)以及连接于所述顶板(101)和所述底板(103)之间的多个侧板(105)，所述顶板(101)、所述底板(103)以及所述多个侧板(105)围合形成所述容置空间(11)；
    所述驱动单元(2153，2253)设置于所述容置空间(11)内，所述驱动单元(2153，2253)包括铁芯(21531，22531)和驱动线圈(21532，22532)，所述铁芯(21531，22531)设置于所述驱动轴远离所述动触板(213，223)的一端，所述驱动线圈(21532，22532)用于驱动所述铁芯(21531，22531)在所述轴向上活动；
    所述中心轴(2151)和所述套装轴(2251)分别对应的驱动线圈(21532，22532)在所述轴向上错开，所述中心轴(2151)对应的驱动线圈(21532)较所述套装轴(2251)对应的驱动线圈(22532)靠近所述底板(103)设置。
  6. 如权利要求2所述的继电器(99)，其特征在于，所述多个驱动轴包括多个套装轴(2251)，所述多个套装轴(2251)沿所述中心轴(2151)的径向依次套设于所述中心轴(2151)上。
  7. 如权利要求6所述的继电器(99)，其特征在于，所述端子伸入所述容 置空间(11)内的长度为伸入长度，沿所述中心轴(2151)的径向越靠近所述中心轴(2151)的套装轴(2251)对应的端子的伸入长度越短。
  8. 如权利要求7所述的继电器(99)，其特征在于，所述壳体(10)包括顶板(101)、底板(103)以及连接于所述顶板(101)和所述底板(103)之间的多个侧板(105)，所述顶板(101)、所述底板(103)以及所述多个侧板(105)围合形成所述容置空间(11)；
    所述驱动单元(2153，2253)设置于所述容置空间(11)内，所述驱动单元(2153，2253)包括铁芯(21531，22531)和驱动线圈(21532，22532)，所述铁芯(21531，22531)设置于所述驱动轴远离所述动触板(213，223)的一端，所述驱动线圈(21532，22532)用于驱动所述铁芯(21531，22531)在所述轴向上活动；
    所述多个触点模组(21，22)对应的多个驱动线圈(21532，22532)在所述轴向上错开设置，所述多个驱动线圈(21532，22532)中，所述中心轴(2151)对应的驱动线圈(21532，22532)与所述底板(103)的距离最短，沿所述中心轴(2151)的径向越靠近所述中心轴(2151)的套装轴(2251)对应的驱动线圈(22532)越靠近所述中心轴(2151)对应的驱动线圈(21532)。
  9. 如权利要求1-8中任一项所述的继电器(99)，其特征在于，所述继电器(99)包括两个触点模组(21，22)以及第一电阻(31)，所述两个触点模组(21，22)分别为第一触点模组(21)和第二触点模组(22)，所述第一触点模组(21)的两个端子分别为第一端子(2111)和第二端子(2112)，所述第二触点模组(22)的两个端子分别为第三端子(2211)和第四端子(2212)， 所述第一端子(2111)通过所述第一电阻(31)与所述第三端子(2211)电连接，所述第二端子(2112)与所述第四端子(2212)电连接。
  10. 如权利要求9所述的继电器(99)，其特征在于，所述继电器(99)还包括第二电阻(32)，所述第三端子(2211)通过所述第二电阻(32)与所述第四端子(2212)电连接。
  11. 如权利要求9所述的继电器(99)，其特征在于，所述第一电阻(31)设置于所述壳体(10)上。
  12. 如权利要求11所述的继电器(99)，其特征在于，所述第一电阻(31)通过印刷形成于所述壳体(10)上。
  13. 如权利要求11所述的继电器(99)，其特征在于，所述壳体(10)包括顶板(101)和侧板(105)，所述第一端子(2111)、所述第二端子(2112)、所述第三端子(2211)以及所述第四端子(2212)设置于所述顶板(101)上，所述侧板(105)具有多个平面，所述第一电阻(31)设置于至少一个平面上。
  14. 如权利要求1至13中任一项所述的继电器(99)，其特征在于，所述壳体(10)为陶瓷壳体。
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