CN206650032U - Relay - Google Patents

Abstract

The utility model discloses a kind of relay, relay includes：Coil；Iron core, coil are arranged on the outside of iron core；Power transmission shaft, the lower end of power transmission shaft are connected with iron core；First, second binding post；Dynamic touch panel, dynamic touch panel are arranged on the upper end of power transmission shaft, and dynamic touch panel can move between the first and second positions under the drive of power transmission shaft；When dynamic touch panel is located at first position, the conducting of the first and second binding posts, when dynamic touch panel leaves first position, the first and second binding posts disconnect electrical connection；Permanent magnet, permanent magnet are arranged on the top of power transmission shaft；Magnet-sensitive switch, magnet-sensitive switch are located in the upside of permanent magnet, and magnet-sensitive switch switches to the second state in permanent magnet motion process from the bottom to top by first, and switches to first state by second in the motion process of permanent magnet from top to bottom.Thus, using magnetic induction principle, the high-pressure section and low-pressure section that can make relay are kept completely separate, 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：Coil；Iron core, the coil are arranged on the outside of the iron core, institute Stating 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 connect with the iron core Connect, 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 set Putting can be under the drive of the power transmission shaft between the first position and the second position in the upper end of the power transmission shaft, the dynamic touch panel Motion；When the dynamic touch panel is located at the first position, first binding post and second binding post conducting are described dynamic tactile When plate leaves the first position, first binding post and second binding post disconnect electrical connection；Permanent magnet, the permanent magnetism Iron is arranged on the top of the power transmission shaft, and the permanent magnet can move along the vertical direction under the drive of the power transmission shaft；Magnetosensitive Switch, the magnet-sensitive switch are located in the upside of the permanent magnet, fortune of the magnet-sensitive switch in the permanent magnet from the bottom to top Second state is switched to by first state during dynamic, the magnet-sensitive switch is in permanent magnet motion process from top to bottom by the Two-state switches to first state.

According to relay of the present utility model, using magnetic induction principle, by the position for changing permanent magnet, thus it is possible to vary phase The conducting off-state of corresponding magnet-sensitive switch, while by auxiliary contact control relay on off operating mode, make relay High-pressure section be kept completely separate with low-pressure section, it is possible to prevente effectively from system high pressure circuit scurries into low-voltage circuit, so as to carry The security of high application system.In addition, the relay construction being arranged such is simple, the coiling of coil is simple, permanent magnet and magnetosensitive Switch occupies little space, and so as to effectively reduce the volume of relay, also has, relay so arranged can also mitigate electricity Magnetic pumping 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, be provided with the dynamic touch panel contact or separate with the binding post it is dynamic Contact.

In some examples of the present utility model, the relay also includes magnet set, and the magnet set is set in described On permanent magnet, the magnet set is on the top of the power transmission shaft.

In some examples of the present utility model, the top of the power transmission shaft is provided with projection, one of the magnet set Described raised upper and another part point is set in be set on the permanent magnet.

In some examples of the present utility model, the upper surface of the magnet set is concordant with the upper surface of the permanent magnet.

In some examples of the present utility model, the relay also includes：Shell and bottom plate, the shell and the bottom Plate limits cavity, and the dynamic touch panel and the permanent magnet are located in the cavity, and the magnet-sensitive switch is located at the shell Top.

In some examples of the present utility model, face is set in the vertical direction for the permanent magnet and the magnet-sensitive switch Put.

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, be set on the 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 are movable.

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 and Fig. 2 is the sectional view according to the relay of the utility model embodiment respectively；

Fig. 3 is the enlarged drawing of region A in Fig. 2.

Reference：

Relay 100；

Coil 1；Iron core 2；Power transmission shaft 3；Projection 31；Binding post 4；Dynamic touch panel 5；Permanent magnet 6；

Magnet-sensitive switch 7；Magnet set 8；Shell 9；Locating part 10；Return unit 11；Bottom plate 12.

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. 3.

It can be included according to the relay 100 of the utility model embodiment：Coil 1, iron core 2, power transmission shaft 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.

Shown in binding post 4 generally two (positive poles/negative pole), i.e. the first binding post and the second binding post, Fig. 1 and Fig. 2 Binding post 4 is one in 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 arrangement 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, permanent magnet 6 is arranged on the top of power transmission shaft 3, and the top of power transmission shaft 3 is the upper of power transmission shaft 3 The top end face at end.Permanent magnet 6 can move along the vertical direction under the drive of power transmission shaft 3.Magnet-sensitive switch 7 is located in permanent magnet 6 upside, magnet-sensitive switch 7 switch to the second state in the motion process from the bottom to top of permanent magnet 6 by first state, and magnetosensitive is opened Close 7 and first state is switched to by the second state in the motion process from top to bottom of permanent magnet 6.That is, permanent magnet 6 is upper The upward motion in lower section can change the on off operating mode of magnet-sensitive switch 7, and the difference of the direction of motion can cause magnet-sensitive switch 7 State change it is different.It should be noted that the electricity that the switch speed of the state of magnet-sensitive switch 7 and position can be powered by coil 1 Flow the factor such as size and permanent magnet 6 to determine, do not limit herein.Alternatively, magnet-sensitive switch 7 can be tongue tube.

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 a specific embodiment of the present utility model, as shown in Figure 1-Figure 3, relay 100 can also include magnet Set 8, magnet set 8 are arranged on the top of power transmission shaft 3, and magnet set 8 is set on permanent magnet 6., can be with by setting magnet to cover 8 Effectively improve installation reliability of the permanent magnet 6 on the top of power transmission shaft 3, so as to improve the structural reliability of relay 100 and Functional reliability.Wherein, magnet set 8 can be rubber sleeve.

Alternatively, as shown in Figures 2 and 3, the top of power transmission shaft 3 is provided with projection 31, and a part for magnet set 8 is set in In projection 31, and another part of magnet set 8 is set on permanent magnet 6.By setting projection 31, can further improve Installation reliability between power transmission shaft 3 and magnet set 8, so as to further improve permanent magnet 6 on the upper end of power transmission shaft 3 Installation reliability.

Alternatively, the upper surface of magnet set 8 can be concordant with the upper surface of permanent magnet 6.So 8 sizes of magnet set are suitable, And the effect of magnet 8 fixing permanent magnets 6 of set is preferable.

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 12, shell 9 and bottom plate 12 limit cavity, move touch panel 5 and permanent magnet 6 be within the cavity, magnet-sensitive switch 7 is positioned at outer The top of shell 9.Shell 9 and bottom plate 12 can effectively protect dynamic touch panel 5 and permanent magnet 6, and shell 9 can also be magnet-sensitive switch 7 provide installation site, so as to further improve the structural reliability of relay 100.Specifically, the top of shell 9 can To be the top end face of shell 9, magnet-sensitive switch 7 can be arranged on the upper surface or lower surface of the top end face of shell 9, its fixation side Formula can paste or other modes, and certainly, magnet-sensitive switch 7 can also be integrally formed in the inside of shell 9.

Further, as shown in Figures 2 and 3, face is set in the vertical direction for permanent magnet 6 and magnet-sensitive switch 7.Passing through will Permanent magnet 6 and the above-below direction face of magnet-sensitive switch 7 are set, and can be advantageous to the change that magnet-sensitive switch 7 is capable of effectively perceive permanent magnet 6 Change, so as to improve the break-make accuracy of magnet-sensitive switch 7.

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 (14)

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 on the top of the power transmission shaft, and the permanent magnet can be under the drive of the power transmission shaft Move along the vertical direction；

   Magnet-sensitive switch, the magnet-sensitive switch are located in the upside of the permanent magnet, and the magnet-sensitive switch is in the permanent magnet under The second state is switched to by first state in supreme motion process, the magnet-sensitive switch being moved through from top to bottom in permanent magnet First state is switched to by the second state in journey.
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 also including magnet set, the magnet set is set in described On permanent magnet, the magnet set is on the top of the power transmission shaft.
7. 7. relay according to claim 6, it is characterised in that the top of the power transmission shaft is provided with projection, the magnetic A part for iron set is set in described raised upper and another part and is set on the permanent magnet.
8. 8. relay according to claim 7, it is characterised in that the upper surface of the magnet set is upper with the permanent magnet Flush.
9. 9. relay according to claim 1, it is characterised in that also include：Shell and bottom plate, the shell and the bottom Plate limits cavity, and the dynamic touch panel and the permanent magnet are located in the cavity, and the magnet-sensitive switch is located at the shell Top.
10. 10. relay according to claim 9, it is characterised in that the permanent magnet and the magnet-sensitive switch are in upper and lower Upward face is set.
11. 11. 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.
12. 12. 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.
13. 13. relay according to claim 12, 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.
14. 14. relay according to claim 1, it is characterised in that the magnet-sensitive switch is tongue tube.