CN206650031U - Relay - Google Patents

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Publication number
CN206650031U
CN206650031U CN201720252890.4U CN201720252890U CN206650031U CN 206650031 U CN206650031 U CN 206650031U CN 201720252890 U CN201720252890 U CN 201720252890U CN 206650031 U CN206650031 U CN 206650031U
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CN
China
Prior art keywords
state
magnet
touch panel
permanent magnet
sensitive switch
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Legal status (The legal status 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 status listed.)
Active
Application number
CN201720252890.4U
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Chinese (zh)
Inventor
邓兵
蒋红刚
姚保同
汪鲁建
刘斯源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
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BYD Co Ltd
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Priority to CN201720252890.4U priority Critical patent/CN206650031U/en
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Publication of CN206650031U publication Critical patent/CN206650031U/en
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Abstract

The utility model discloses a kind of relay, relay includes:Coil;Iron core, coil are arranged on the outside of iron core, and iron core can move along the vertical direction under the driving of coil;Power transmission shaft, the lower end of power transmission shaft are connected with iron core;Binding post;Dynamic touch panel, dynamic touch panel are arranged on the upper end of power transmission shaft, and dynamic touch panel can be contacted or separated with binding post under the driving of power transmission shaft;Permanent magnet, permanent magnet are arranged between the top and bottom of power transmission shaft;Magnet-sensitive switch, magnet-sensitive switch are located at the side of permanent magnet, and magnet-sensitive switch switches to the second state in permanent magnet motion process from the bottom to top by first state, and magnet-sensitive switch switches to first state in permanent magnet motion process from top to bottom by the second state.Thus, using magnetic induction principle, the high-pressure section and low-pressure section that can make relay are kept completely separate, it is possible to prevente effectively from system high pressure circuit scurries into low-voltage circuit.In addition, the relay construction being arranged such is simple.

Description

Relay
Technical field
It the utility model is related to a kind of relay.
Background technology
In correlation technique, relay typically all carries auxiliary contact, and the disconnection and conducting of auxiliary contact can be used for judging The state of main contacts.Some relays of in the market typically disturb the magnetic field of permanent magnet using dynamic iron core, so as to change dry spring The state of pipe, but relay construction so arranged is complicated, the coiling of coil is relatively difficult, auxiliary contact design occupy compared with Big structure space, and whole electromagnetic excitation loop leakage field is more serious.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality With a kind of relay of new proposition, the relay uses magnetic induction principle, and simple in construction.
According to relay of the present utility model, including:Including:Coil;Iron core, the coil are arranged on the outer of the iron core Side, the iron core can move along the vertical direction under the driving of the coil;Power transmission shaft, the lower end of the power transmission shaft and the iron Core connects, and can be moved up and down under the drive of the iron core;First binding post, the second binding post;Dynamic touch panel, it is described dynamic tactile Plate is arranged on the upper end of the power transmission shaft, and the dynamic touch panel can be under the drive of the power transmission shaft in first position and the second place Between move;When the dynamic touch panel is located at the first position, first binding post and second binding post conducting are described When dynamic touch panel leaves the first position, first binding post and second binding post disconnect electrical connection;Permanent magnet, it is described Permanent magnet is arranged between the top and bottom of the power transmission shaft, and the permanent magnet can be under the drive of the power transmission shaft vertically Move in direction;Magnet-sensitive switch, the magnet-sensitive switch are located at the side of the permanent magnet, the magnet-sensitive switch the permanent magnet by Under the second state, motion of the magnet-sensitive switch in permanent magnet from top to bottom are switched to by first state in supreme motion process During first state switched to by the second state.
,, can be with by changing the position of permanent magnet using magnetic induction principle according to the relay of the utility model embodiment Change the conducting off-state of corresponding magnet-sensitive switch, so as to so that the high-pressure section of relay divides completely with low-pressure section From it is possible to prevente effectively from system high pressure circuit scurries into low-voltage circuit, so as to improve the security of application system.In addition, such as The relay construction that this is set is simple, and the coiling of coil is simple, and permanent magnet and magnet-sensitive switch occupy little space, so as to effective The volume of relay is reduced, is also had, relay so arranged can also mitigate electromagnetic excitation loop leakage field phenomenon.
In some examples of the present utility model, when the dynamic touch panel is located at the first position, the magnet-sensitive switch is The first state;When the dynamic touch panel leaves the first position, the magnet-sensitive switch is second state.
In some examples of the present utility model, the first state is conducting state, and second state is disconnection shape State.
In some examples of the present utility model, the first state is off-state, and second state is conducting shape State.
In some examples of the present utility model, it is provided with the dynamic touch panel for contacting or separating with the binding post Movable contact.
In some examples of the present utility model, the permanent magnet is set on the power transmission shaft and in the permanent magnet Upper and lower both sides, the power transmission shaft are provided with stop tab.
In some examples of the present utility model, the dynamic touch panel and the stop tab on the upside of the permanent magnet it Between be provided with buffer spring.
In some examples of the present utility model, the relay also includes:Shell and bottom plate, it is the dynamic touch panel, described Permanent magnet is separately positioned in the cavity that the shell and bottom plate limit, and the magnet-sensitive switch is fixed on the bottom plate.
In some examples of the present utility model, when the dynamic touch panel is located at the second place, the permanent magnet and the magnetic Face is set quick switch in the horizontal direction.
In some examples of the present utility model, the both ends of the magnet-sensitive switch lead to first end and the second end.
In some examples of the present utility model, the relay also includes:Locating part, the locating part are set in described On power transmission shaft and on the up and down motion direction of the iron core, the iron core and the relatively described locating part of the power transmission shaft can be transported It is dynamic.
In some examples of the present utility model, the relay also includes:Return unit, the return unit are only against described To drive the plunger return between locating part and the iron core.
In some examples of the present utility model, the magnet-sensitive switch is tongue tube.
Brief description of the drawings
Fig. 1-Fig. 4 is the sectional view according to the relay of the utility model embodiment respectively;
Fig. 5 is the enlarged drawing of region A in Fig. 1;
Fig. 6 is the enlarged drawing of region B in Fig. 3.
Reference:
Relay 100;
Coil 1;Iron core 2;Power transmission shaft 3;Binding post 4;Dynamic touch panel 5;Permanent magnet 6;Magnet-sensitive switch 7;Stop tab 8;Shell 99; Locating part 10;Return unit 11;Buffer spring 12;Bottom plate 13.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.
The relay 100 according to the utility model embodiment is described in detail below with reference to Fig. 1-Fig. 6.
As Figure 1-Figure 4, can be included according to the relay 100 of the utility model embodiment:Coil 1, iron core 2, pass Moving axis 3, binding post 4, dynamic touch panel 5, permanent magnet 6 and magnet-sensitive switch 7.
Coil 1 is arranged on the outside of iron core 2, i.e., iron core 2 is arranged on the inner side of coil 1, and iron core 2 is powered in coil 1 After be axially moved.Specifically, iron core 2 can move along the vertical direction under the driving of coil 1, wherein axial direction is above-below direction.
Iron core 2 is fixedly connected on the lower end of power transmission shaft 3, and power transmission shaft 3 can do above-below direction under the drive of iron core 2 Motion, for example, coil 1 energization after, power transmission shaft 3 can move from bottom to top.And by the way that iron core 2 is fixed on into power transmission shaft 3 lower end, power transmission shaft 3 and iron core 2 can be caused to coordinate suitably, the suitable length of power transmission shaft 3 can be caused, thereby may be ensured that after The structural reliability of electrical equipment 100.
Binding post 4 is generally two (positive poles/negative pole), i.e. the first binding post and the second binding post, and two shown in Fig. 1 connect Terminal 4 is the first binding post and the second binding post.
As depicted in figs. 1 and 2, the upper end that touch panel 5 is arranged on power transmission shaft 3 is moved, and dynamic touch panel 5 can be in power transmission shaft 3 Driving is lower to be contacted or separates with binding post 4.Specifically, moving touch panel 5 can be under the drive of power transmission shaft 3 in first position and the Moved between two positions;When dynamic touch panel 5 is located at first position, the first binding post and the second binding post are turned on by dynamic touch panel 5, are moved When touch panel 5 leaves first position, the first binding post and the second binding post disconnect electrical connection.
First position is the position for enabling to two binding posts 4 to turn on herein, i.e., the most top that dynamic touch panel 5 can move to End;And the second place is the position that two binding posts disconnect electrical connection, now, touch panel 5 is moved away from binding post 4, generally It is considered that the second place is the least significant end that dynamic touch panel 5 can move.
It should be noted that only when dynamic touch panel 5 is located at first position, the first binding post and the second binding post can just be led It is logical, and first position is left when moving touch panel 5, during the entire process of being moved to the second place, the first binding post and the second binding post It is not turned on.
As depicted in figs. 1 and 2, the upper end that touch panel 5 is arranged on power transmission shaft 3 is moved, and dynamic touch panel 5 can be in power transmission shaft 3 Driving is lower to be contacted or separates with binding post 4.For example, after the energization of coil 1, dynamic touch panel 5 can move from bottom to top, until with Binding post 4 turns on, and the main contacts of such relay 100 can switch to conducting state from disconnection.And for example, after the power-off of coil 1, Move touch panel 5 under the driving of power transmission shaft 3 and iron core 2 to separate with binding post 4, the main contacts of such relay 100 can be from conducting Switch to off-state.
As depicted in figs. 1 and 2, permanent magnet 6 is arranged between the top and bottom of power transmission shaft 3, and permanent magnet 6 can be driven Moved along the vertical direction under the drive of axle 3.Magnet-sensitive switch 7 is located in the side of permanent magnet 6, the side can be up and down before Any side in rear side, magnet-sensitive switch 7 switch to the second shape in the motion process from the bottom to top of permanent magnet 6 by first state State, magnet-sensitive switch 7 switch to first state in the motion process from top to bottom of permanent magnet 6 by the second state.That is, forever The motion of magnet 6 in the vertical direction can change the on off operating mode of magnet-sensitive switch 7, and the difference of the direction of motion can cause The state change of magnet-sensitive switch 7 is different.It should be noted that the switch speed of the state of magnet-sensitive switch 7 and position can be by coils 1 The factor such as the size of current of energization and permanent magnet 6 determines, does not limit herein.Alternatively, magnet-sensitive switch 7 can be dry spring Pipe.
It should be noted that when relay 100 works, the action of actually dynamic touch panel 5 is very fast, stroke when Between it is very short;Therefore, as long as permanent magnet 6 is in motion process, magnet-sensitive switch 7 switches, it becomes possible to plays auxiliary contact Effect.Switch because the time is very short, in motion process and move to top switching, actually difference is little, does not influence Its function.
Wherein, specifically, when dynamic touch panel 5 is located at first position, magnet-sensitive switch 7 is first state;Dynamic touch panel 5 leaves first During position, magnet-sensitive switch 7 is the second state.
Wherein, alternatively, first state can be conducting state, and the second state can be off-state.That is, magnetic Quick switch 7 goes off state in the motion process from the bottom to top of permanent magnet 6 by conducting state, and magnet-sensitive switch 7 is in permanent magnet 6 By the switching-on state of off-state in motion process from top to bottom.
Alternatively, first state can be off-state to another kind, and the second state can be conducting state.That is, Magnet-sensitive switch 7 is by the switching-on state of off-state in the motion process from the bottom to top of permanent magnet 6, and magnet-sensitive switch 7 is forever Off-state is switched to by conducting state in the motion process of magnet 6 from top to bottom.
It is emphasized that the utility model is by changing the distance between permanent magnet 6 and magnet-sensitive switch 7, by forever The influence that the magnetic field of magnet 6 is brought to magnet-sensitive switch 7, drive the break-make of magnet-sensitive switch 7.Specifically, when permanent magnet 6 and magnet-sensitive switch 7 relatively when, the action of magnet-sensitive switch 7 can be driven;And when permanent magnet 6 and magnet-sensitive switch 7 farther out when, shadow is not caused to it Ring.
Specific magnetic induction principle is as follows:The spacing of magnet-sensitive switch 7 and permanent magnet 6, determine the action of magnet-sensitive switch 7.When When magnet-sensitive switch 7 is located at the top of permanent magnet 6, dynamic touch panel 5 is located at first position (i.e. the first binding post and the conducting of the second binding post Position) when, magnet-sensitive switch 7 is in first state;And when dynamic touch panel 5 leaves first position, magnet-sensitive switch 7 is in the second shape State.Here although be " being located at " first position and " leaving " first position, but be fixed position for dynamic touch panel 5 Put;And for permanent magnet 6, due to the characteristic of magnetic field in itself, it is impossible to which a complete position leads to, and leaves a position Just can immediately it disconnect, because magnetic field is the process of a gradual change;Therefore, in this utility model, actually " be located at " and " from Open " first position, have one be used for magnetic field influence and existing reasonable error, this error may be with the intensity of magnetic field in itself It is relevant, in the utility model, it should also which the reasonable error is included.
Thus, according to the relay 100 of the utility model embodiment, using magnetic induction principle, by changing permanent magnet 6 Position, thus it is possible to vary the conducting off-state of corresponding magnet-sensitive switch 7, passing through the break-make of auxiliary contact control relay 100 While state, the high-pressure section and low-pressure section that make relay 100 are kept completely separate, it is possible to prevente effectively from system high pressure circuit is altered Enter low-voltage circuit, so as to improve the security of application system.In addition, the relay 100 being arranged such is simple in construction, coil 1 coiling is simple, and permanent magnet 6 and magnet-sensitive switch 7 occupy little space, so as to effectively reduce the volume of relay 100, also Have, relay 100 so arranged can also mitigate electromagnetic excitation loop leakage field phenomenon.
Alternatively, move and be provided with touch panel 5 for connecing 4 movable contacts for touching or separating with binding post.So movable contact can Contacted with binding post 4 reliably, so as to improve the functional reliability of relay 100.
According to an alternative embodiment of the present utility model, permanent magnet 6 is set on power transmission shaft 3, and in permanent magnet 6 Upper and lower both sides, stop tab 8 is provided with power transmission shaft 3.It is understood that by the way that permanent magnet 6 is set on power transmission shaft 3, can To ensure reliability of the permanent magnet 6 on power transmission shaft 3, and by setting stop tab 8, permanent magnet 6 can be further improved Reliability on power transmission shaft 3.Alternatively, permanent magnet 6 is it is so structured that annular.
Further, as Figure 1-Figure 4, move touch panel 5 and be provided between the stop tab 8 of the upside of permanent magnet 6 slow Rush spring 12.Specifically, move touch panel 5 and buffer spring 12 is respectively positioned on the top of permanent magnet 6, can so cause permanent magnet 6 Location arrangements are suitable, can make it that the structure of relay 100 is reliable.
According to a specific embodiment of the present utility model, as shown in Figure 1-Figure 3, relay 100 can also include:Shell 9 and bottom plate 13, shell 9 and bottom plate 13 limit cavity, move touch panel 5 and permanent magnet 6 it is within the cavity, magnet-sensitive switch 7 is fixed on On bottom plate 13.Shell 9 and bottom plate 13 can effectively protect dynamic touch panel 5 and permanent magnet 6, and bottom plate 13 can also be magnet-sensitive switch 7 provide installation site, so as to further improve the structural reliability of relay 100.
Further, as shown in Figure 1 and Figure 5,
When dynamic touch panel 5 is located at the second place, face is set permanent magnet 6 in the horizontal direction with magnet-sensitive switch 7.Thus, exist When coil 1 powers off, magnet-sensitive switch 7 can be with the magneticaction of effectively perceive permanent magnet 6, so as to improve the state of magnet-sensitive switch 7 The accuracy of switching.As shown in fig. 6, permanent magnet 6 is suitable to when magnet-sensitive switch 7 is off with magnet-sensitive switch 7 upper and lower It is spaced apart and sets on direction.
Alternatively, the both ends of magnet-sensitive switch 6 lead to first end and the second end.Wherein, during specifically used, relay Device 100 can be by the first end of magnet-sensitive switch 6 and the second end by the monitoring circuit of the cut-in relay 100 of magnet-sensitive switch 6.
According to an alternative embodiment of the present utility model, as depicted in figs. 1 and 2, relay 100 can also include:Limit Position part 10, locating part 10 is set on power transmission shaft 3, and locating part 10 is located on the up and down motion direction of iron core 2, wherein iron core 2 and the relative limit part 10 of power transmission shaft 3 can move.For example, locating part 10 can be arranged on the top of iron core 2, it is powered in coil 1 Afterwards, touch panel 5 and binding post 4 is moved to turn on, locating part 10 and iron core 2 can mutual backstop, so as to which locating part 10 can realize its limit Position effect.Or let us say that, after the energization of coil 1, the backstop iron core 2 of locating part 10, dynamic touch panel 5 and binding post 4 turn on.
Further, as depicted in figs. 1 and 2, relay 100 can also include:Return unit 11, return unit 11 are only against limit To drive iron core 2 to reset between position part 10 and iron core 2.It is understood that return unit 11 has the effect for promoting iron core 2 to reset Fruit.When coil 1 is powered, locating part 10 can limit the position of iron core 2, and after the power-off of coil 1, return unit 11 can promote iron Core 2 moves down, and so as to promote iron core 2 to be returned to initial position, so dynamic touch panel 5 and binding post 4 disconnect, permanent magnet 6 Away from magnet-sensitive switch 7, magnet-sensitive switch 7 disconnects.
Specifically, as depicted in figs. 1 and 2, return unit 11 can be spring, and spring is set on power transmission shaft 3, locating part 10 Holding tank is inside provided with, a part for spring is contained in holding tank.By setting holding tank, spring and locating part can be improved Cooperation reliability between 10, and can effectively save the inner space of relay 100.
Alternatively, locating part 10 can be column, and the external diameter of locating part 10 is identical with the external diameter of iron core 2, locating part 10 It is plane towards the surface of iron core 2.Locating part 10 and iron core 2 can be so caused to match, and so locating part 10 can be with The preferably upper surface of backstop iron core 2, so as to improve the limit effect of locating part 10.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (13)

  1. A kind of 1. relay, it is characterised in that including:
    Coil;
    Iron core, the coil are arranged on the outside of the iron core, and the iron core can be under the driving of the coil along the vertical direction Motion;
    Power transmission shaft, the lower end of the power transmission shaft are connected with the iron core, and can be moved up and down under the drive of the iron core;
    First binding post, the second binding post;
    Dynamic touch panel, the dynamic touch panel are arranged on the upper end of the power transmission shaft, and the dynamic touch panel can be under the drive of the power transmission shaft Move between the first position and the second position;When the dynamic touch panel is located at the first position, first binding post and institute State the conducting of the second binding post, when the dynamic touch panel leaves the first position, first binding post and second binding post Disconnect electrical connection;
    Permanent magnet, the permanent magnet are arranged between the top and bottom of the power transmission shaft, and the permanent magnet can be in the transmission Moved along the vertical direction under the drive of axle;
    Magnet-sensitive switch, the magnet-sensitive switch are located at the side of the permanent magnet, the magnet-sensitive switch the permanent magnet by it is lower extremely On motion process in the second state, motion process of the magnet-sensitive switch in permanent magnet from top to bottom switched to by first state In first state switched to by the second state.
  2. 2. relay according to claim 1, it is characterised in that described when the dynamic touch panel is located at the first position Magnet-sensitive switch is the first state;When the dynamic touch panel leaves the first position, the magnet-sensitive switch is second shape State.
  3. 3. relay according to claim 1 or 2, it is characterised in that the first state is conducting state, described second State is off-state.
  4. 4. relay according to claim 1 or 2, it is characterised in that the first state is off-state, described second State is conducting state.
  5. 5. relay according to claim 1, it is characterised in that be provided with and be used for and the binding post on the dynamic touch panel Contact or the movable contact of separation.
  6. 6. relay according to claim 1, it is characterised in that the permanent magnet is set on the power transmission shaft and in institute The both sides up and down of permanent magnet are stated, the power transmission shaft is provided with stop tab.
  7. 7. relay according to claim 6, it is characterised in that the dynamic touch panel and the institute on the upside of the permanent magnet State and be provided with buffer spring between stop tab.
  8. 8. relay according to claim 1, it is characterised in that also include:Shell and bottom plate, it is the dynamic touch panel, described Permanent magnet is separately positioned in the cavity that the shell and bottom plate limit, and the magnet-sensitive switch is fixed on the bottom plate.
  9. 9. relay according to claim 1, it is characterised in that when the dynamic touch panel is located at the second place, the permanent magnetism Face is set in the horizontal direction for iron and the magnet-sensitive switch.
  10. 10. relay according to claim 1, it is characterised in that the both ends of the magnet-sensitive switch lead to first end and Second end.
  11. 11. relay according to claim 1, it is characterised in that also include:Locating part, the locating part are set in institute State on power transmission shaft and on the up and down motion direction of the iron core, the iron core and the relatively described locating part of the power transmission shaft can Motion.
  12. 12. relay according to claim 11, it is characterised in that also include:Return unit, the return unit are only against institute State between locating part and the iron core to drive the plunger return.
  13. 13. relay according to claim 1, it is characterised in that the magnet-sensitive switch is tongue tube.
CN201720252890.4U 2017-03-15 2017-03-15 Relay Active CN206650031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720252890.4U CN206650031U (en) 2017-03-15 2017-03-15 Relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720252890.4U CN206650031U (en) 2017-03-15 2017-03-15 Relay

Publications (1)

Publication Number Publication Date
CN206650031U true CN206650031U (en) 2017-11-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720252890.4U Active CN206650031U (en) 2017-03-15 2017-03-15 Relay

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Country Link
CN (1) CN206650031U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018166352A1 (en) * 2017-03-15 2018-09-20 比亚迪股份有限公司 Relay
CN114695021A (en) * 2022-04-06 2022-07-01 浙江英洛华新能源科技有限公司 Relay with main contact working state detection function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018166352A1 (en) * 2017-03-15 2018-09-20 比亚迪股份有限公司 Relay
CN114695021A (en) * 2022-04-06 2022-07-01 浙江英洛华新能源科技有限公司 Relay with main contact working state detection function

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