Relay with indication function

Abstract

The utility model relates to a relay with an indication function, which comprises a shell internally provided with an accommodating space; the magnetic circuit unit comprises a coil assembly and an armature assembly, and the coil assembly is provided with a magnetic driving end; the contact unit is arranged below the magnetic circuit unit and comprises a movable contact piece and a static contact piece; the indicating unit is arranged above the magnetic circuit unit and comprises an indicating piece which is rotatably arranged in the shell, and one end of the indicating piece is provided with a driving piece which is used for driving the indicating piece to rotate relatively; and the driving plate is arranged in the shell along the Y-axis direction and is provided with at least three matching parts which are respectively linked with the armature assembly, the driving piece and the movable contact piece, and the driving plate moves along the Y-axis direction along with the rotation of the armature assembly, drives the movable contact piece to be contacted with or disconnected from the static contact piece and synchronously drives the indicating piece to rotate. By optimizing the space layout in the shell, on the basis of realizing the original function of the relay, the rocker arm drives the driving plate to move up and down, so that the indicating piece performs red-green conversion and contact unit switching-on and switching-off actions.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technology field, concretely relates to a relay with indicating function. BACKGROUND

[0002] The magnetic latching relay generally comprises a shell, a magnetic circuit part, a contact part, a push rod and an auxiliary monitoring part accommodated in the shell, the magnetic circuit part comprises a coil assembly and an armature assembly rotating relative to the coil assembly, the contact part comprises a movable contact group and a stationary contact group, the movable contact group is provided with a movable contact point, the stationary contact group is provided with a stationary contact point, the push rod is driven to move by the armature assembly and drives the movable contact point and the stationary contact point to close or disconnect. And due to the space limitation of the shell, after the magnetic circuit part and the contact part occupy a large amount of space, it is difficult to install the state indicating part in the remaining space, thereby causing that the existing magnetic latching relay cannot directly know the current working state from the outside. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a relay with indicating function.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A relay with indicating function comprises:

[0006] A shell is provided with an accommodation space;

[0007] A magnetic circuit unit comprises a coil assembly and an armature assembly arranged on one side of the coil assembly along the Y-axis direction, and the coil assembly is provided with a magnetic driving end, and the armature assembly rotates around the rotation axis extending along the Z-axis direction in response to the polarity change of the magnetic driving end;

[0008] A contact unit is arranged below the magnetic circuit unit and comprises movable contacts and stationary contacts arranged along the X-axis direction;

[0009] An indicating unit is arranged above the magnetic circuit unit and comprises an indicating member rotatably arranged in the shell, and one end of the indicating member is provided with a driving member for driving the relative rotation of the indicating member;

[0010] A driving plate is arranged in the shell along the Y-axis direction, and the driving plate has at least three matching parts respectively linked with the armature assembly, the driving member and the movable contacts, and the driving plate moves along the Y-axis direction with the rotation of the armature assembly, drives the movable contacts and the stationary contacts to contact or disconnect, and synchronously drives the rotation of the indicating member.

[0011] The accommodating space is divided into a first chamber arranged along the X-axis direction and a second chamber for accommodating the driving plate, the first chamber is divided into a third chamber for placing an indicating unit, a fourth chamber for placing a magnetic circuit unit and a fifth chamber for placing a contact unit along the Y-axis direction, and one side of the second chamber is communicated with the third chamber, the fourth chamber and the fifth chamber respectively.

[0012] The shell is further provided with a button, and a linkage mechanism is arranged between the button and the driving plate.

[0013] The linkage mechanism is a rocker arm rotatably arranged in the shell, one end of the rocker arm is connected with the driving plate, and the other end of the rocker arm is connected with the button.

[0014] One side of the button extends downward to form a push plate, and one end of the rocker arm is in linkage cooperation with the push plate.

[0015] The shell is further provided with a control circuit board, the control circuit board is provided with a travel switch, and one end of the button extends downward to form a push plate in linkage cooperation with the travel switch.

[0016] The driving plate is provided with at least three driving grooves, and the driving grooves matched with the armature assembly and the driving grooves matched with the moving contact are oppositely arranged.

[0017] The inner wall of the second chamber is provided with a plurality of protruding ribs arranged towards the driving plate.

[0018] One end of the driving plate extends upward to form a button penetrating through the shell.

[0019] The button extends downward to form a push plate arranged in parallel with the driving plate.

[0020] The beneficial effects of the utility model are as follows: through the space layout optimization in the shell, on the basis of realizing the original function of the relay, the driving plate is driven to move up and down by the rocker arm, the indicating part is converted between red and green, and the contact unit is switched on and off. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model.

[0022] Figure 2 It is a structural schematic view of the shell of the utility model.

[0023] Figure 3 It is an internal schematic view of embodiment 1 of the utility model.

[0024] Figure 4 It is a structural schematic view of the cooperation part of the driving plate and the button of embodiment 1 of the utility model.

[0025] Figure 5It is a structure schematic view of the driving plate of the embodiment 1 of the utility model.

[0026] Figure 6 It is an internal schematic view of the embodiment 2 of the utility model.

[0027] Figure 7 It is a structure schematic view of each component of the embodiment 2 of the utility model.

[0028] Figure 8 It is a structure schematic view of the driving plate of the embodiment 2 of the utility model. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] It should be noted that all directionality indications such as up, down, left, right, front, back, … in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition and the like between components in a certain specific posture such as shown in the drawings, and if the specific posture changes, the directionality indications also change accordingly.

[0031] The utility model discloses a relay with indication function, the existing relay because internal space is insufficient, can lead to its after installing corresponding magnetic circuit unit and contact unit, it is difficult to realize state indication function. Therefore, the utility model discloses through optimizing internal layout, utilizes driving board to realize the action transmission of magnetic circuit unit, indication unit and contact unit, on the basis of completing the normal function of relay, state indication is increased.

[0032] As Figure 1 Indicated, the relay includes the casing, the casing is by bottom shell 30 and upper cover spliced together and forms the accommodation space between two, for placing magnetic circuit unit 100, contact unit 200, indication unit 300 and driving board 400, through driving board, the three are linked together, and then the magnetic circuit unit is used to drive driving board to move up and down, then simultaneously drives contact unit to open and close and indication unit state switching, the internal space is greatly utilized.

[0033] Secondly, the upper cover can include first upper cover 10 and second upper cover 20, by the first upper cover and the second upper cover independently arranged, different chambers are covered respectively, when replacing parts, the corresponding upper cover is opened in a targeted manner without opening all the upper cover, and the parts at the corresponding position can be replaced.

[0034] As shown in Figure 7 The magnetic circuit unit 100 includes a coil assembly 110 and an armature assembly 120 arranged along the Y-axis direction on one side of the coil assembly 110, and the coil assembly 110 is provided with a magnetic driving end 130, and the armature assembly 120 rotates around the rotation axis extending along the Z-axis direction in response to the polarity change of the magnetic driving end 130, wherein the X-axis, Y-axis and Z-axis are shown in the coordinate as Figure 3

[0035] The armature assembly 120 includes a permanent magnet (not shown in the figure), two armatures and an insulating piece, the permanent magnet is formed by magnetized magnetic steel, and in other embodiments, the permanent magnet can also use other permanent magnet materials, such as neodymium iron boron permanent magnet, the permanent magnet has two magnetic poles with fixed polarity, and the polarity of the two magnetic poles is opposite. Two armatures are respectively fixed to the two magnetic poles of the permanent magnet, and each armature is respectively provided with two attracting parts suitable for attracting the magnetic driving end. In the magnetic holding state, two armatures have one attracting part to attract the corresponding magnetic driving end to form a closed magnetic circuit passing through two magnetic driving ends.

[0036] In this embodiment, the two armatures are respectively a first armature and a second armature, and the two ends of the length direction of the two armatures are respectively provided with two attracting parts, and the two magnetic driving ends 130 are respectively located between the two armatures.

[0037] The insulating piece is fixed with the permanent magnet and the two armatures, and the insulating piece can be an injection molding piece, which wraps the two armatures and the permanent magnet to form a whole, and the two ends of the two armatures are located outside the insulating piece.

[0038] The contact unit 200 is arranged below the magnetic circuit unit 100 and includes a moving contact 210 and a stationary contact 220 arranged along the X-axis direction, wherein the moving contact is in the shape of a bridge, one end of which is provided with a moving contact point, and the other end is fixed with a connector, the stationary contact 220 is provided with a stationary contact point matched with the moving contact point of the moving contact, and the connector matched with the moving contact is arranged along the X-axis direction with the connector of the stationary contact, one end of the moving contact can be attracted or repelled with the stationary contact.

[0039] The indication unit 300 is arranged above the magnetic circuit unit 100 and includes an indication piece rotatably arranged in a housing, one end of the indication piece is provided with a driving piece 310 for driving the relative rotation of the indication piece, and the housing is provided with a window, the indication piece can swing at the window under stress, thereby realizing the indication of different states.

[0040] Preferably, the end of the driving piece of the indication piece, the end of the movable side of the moving contact and the swing rod of the armature assembly are on the same axis, thereby the driving plate can drive the indication piece and the moving contact to move synchronously when the armature assembly drives the movement along the Y-axis, and the synchronization is higher.

[0041] ​The drive plate 400 is arranged in the housing along the Y-axis direction and has at least three mating parts, which are respectively linked with the armature assembly 120, the drive member 310 and the moving contact member 210. The drive plate 400 moves along the Y direction as the armature assembly 120 rotates and drives the moving contact member 210 to contact or disconnect from the stationary contact member 220, and synchronously drives the indicator to rotate.

[0042] The mating part can be a hole-shaped structure or a groove-shaped structure, which is mainly used to cooperate with the moving contact, the indicator and the armature assembly so that the three can move synchronously.

[0043] like Figure 2 As shown, in this embodiment, the accommodating space is divided into a first chamber 1000 arranged along the X-axis and a second chamber 2000 for accommodating the drive plate 400. The first chamber 1000 is divided along the Y-axis into a third chamber 1100 for placing the indicator unit 300, a fourth chamber 1200 for placing the magnetic circuit unit 100, and a fifth chamber 1300 for placing the contact unit 200. One side of the second chamber 2000 is connected to the third chamber 1100, the fourth chamber 1200, and the fifth chamber 1300, respectively.

[0044] By optimizing the design of each individual chamber, each component can be installed relatively independently without interfering with each other. At the same time, the chambers divided by the Y-axis are used to distribute the functions, and the three are linked by a drive board set on one side, which greatly improves the utilization rate of the internal space of the relay.

[0045] Preferably, this embodiment adds a manual control function, that is, a button 600 is also provided inside the housing, the button part passes through the housing and is exposed outside, and a linkage mechanism is provided between the button 600 and the drive plate 400, that is, by manually pressing the button, it will drive the push plate to move along the Y-axis direction, thereby driving the indicator, the moving contact and the armature assembly to move.

[0046] The linkage mechanism can be a rocker arm that rotates relative to each other, or a wedge-shaped fit or other structures.

[0047] Example 1 is shown in Figure 3.

[0048] This embodiment provides a button and linkage mechanism with a split structure.

[0049] The linkage mechanism is a rocker arm 700 rotatably disposed inside the housing. One end of the rocker arm 700 is connected to the drive plate 400, and the other end is connected to the button 600.

[0050] like Figure 4As shown, the rocker arm comprises a rotating part, the two ends of which extend outward to form rotating arms, one end of the rotating arm is linked with the driving plate, such as being inserted into the corresponding hole, and the other end of the rotating arm is linked with the button, such as being arranged on the moving path of the button, or one side of the button 600 extends downward to form a push plate 610, one end of the rocker arm 700 is linked with the push plate 610, and the push plate is linked with the rotating arm, such as being arranged with a groove or a hole, and the rotating arm is clamped into the groove or the hole, so that the rotating arm is linked with the button.

[0051] The shell further comprises a control circuit board 500, the control circuit board 500 is provided with a travel switch 510, one end of the button 600 extends downward to form a push plate 610 which is linked with the travel switch 510, that is, a sixth chamber 3000 is arranged in the shell, the sixth chamber is located on the other side of the second chamber, the upper end of the sixth chamber is provided with an opening, the push plate enters the sixth chamber through the opening, and the control circuit board is arranged in the sixth chamber, when the button is used, the button is pressed downward, the push plate touches the travel switch, and the control circuit board knows the current state of the button, the MOS tube of the control circuit board is disconnected first, and then the moving contact and the static contact are disconnected, that is, the moving distance of the push plate is smaller than the moving distance of the driving plate.

[0052] As an embodiment, the driving plate 400 is provided with at least three driving grooves 410, and the driving grooves matched with the armature assembly 120 and the driving grooves matched with the moving contact 210 are arranged in opposite directions, through the opposite design, the driving piece is fixed by the mutual cooperation of the armature assembly and the moving contact.

[0053] In the embodiment, the rocker arm is designed in a split type, and is provided with four matching parts, such as Figure 5 As shown, the matching parts of the armature assembly and the moving contact are arranged as driving grooves in opposite directions, and the matching parts of the indicating piece and the rocker arm are arranged as driving holes, so that the driving piece of the indicating piece and the rotating arm of the rocker arm are clamped into the driving holes to realize the linkage.

[0054] The inner wall of the second chamber 2000 is provided with a plurality of convex ribs 2100 arranged towards the driving plate 400. The design of the convex ribs 2100 makes the driving plate arranged in the center, and preferably, the side of the driving plate towards the bottom surface of the second chamber is provided with a protrusion 420, such as Figure 5 As shown, the protrusion cooperates with the moving contact to support and reduce the friction surface.

[0055] Embodiment 2 is as shown in Figure 6 As shown.

[0056] The embodiment provides an integrally formed button and driving plate.

[0057] As Figure 8As shown, one end of the driving plate 400 extends upward to form a button 600 through the shell. The button 600 is in a column shape, and the bottom thereof is provided in a shape close to a rectangle, and then the driving plate is arranged at one side of the bottom of the button, so that the center line of the button and the axis of the driving plate are not on the same axis, so that the button is slightly offset by a certain amount, and then the other side thereof can be matched with a travel switch of a control circuit board, that is, the button 600 extends downward to form a push plate 610 arranged in parallel with the driving plate 400, and the push plate is arranged opposite to the driving plate.

[0058] The embodiments should not be regarded as limiting the utility model, but any improvement based on the spirit of the utility model should be within the protection scope of the utility model.

Claims

1. A relay with indication function, characterized by: It includes: The shell is provided with a containing space; Magnetic circuit unit (100), including coil assembly (110) and armature assembly (120) arranged on one side of coil assembly (110) along Y axis direction, and the coil assembly (110) is provided with magnetic drive end (130), and the armature assembly (120) rotates around the rotation axis extending along Z axis direction in response to the polarity change of magnetic drive end (130); Contact unit (200) is arranged below the magnetic circuit unit (100), including moving contact (210) and static contact (220) arranged along X axis direction; Indicating unit (300) is arranged above the magnetic circuit unit (100), including indicating element rotatably arranged in the shell, and the indicating element is provided with driving element (310) for driving the relative rotation of the indicating element at one end; Driving plate (400) is arranged in the shell along Y axis direction, and it has at least three matching parts, which are respectively linked with armature assembly (120), driving element (310) and moving contact (210), and the driving plate (400) rotates along Y direction with the armature assembly (120), and drives the contact or disconnection of moving contact (210) and static contact (220), and synchronously drives the rotation of the indicating element.

2. The relay with indication function according to claim 1, characterized in that: The containing space is divided into first chamber (1000) arranged along X axis direction and second chamber (2000) for accommodating driving plate (400), the first chamber (1000) is divided into third chamber (1100) for placing indicating unit (300), fourth chamber (1200) for placing magnetic circuit unit (100) and fifth chamber (1300) for placing contact unit (200) along Y axis direction, and one side of the second chamber (2000) is respectively communicated with the third chamber (1100), the fourth chamber (1200) and the fifth chamber (1300).

3. The indicating relay according to claim 1 or 2, characterized in that: The shell is further provided with a button (600), and a linkage mechanism is arranged between the button (600) and the driving plate (400).

4. The relay with indication function according to claim 3, characterized in that: The linkage mechanism is a rocker arm (700) rotatably arranged in the shell, one end of the rocker arm (700) is connected with the driving plate (400), and the other end is connected with the button (600).

5. The indicating relay of claim 4, wherein: One side of the button (600) extends downward to form a push plate (610), and one end of the rocker arm (700) is linked with the push plate (610).

6. The indicating relay of claim 3, wherein: The shell is further provided with a control circuit board (500), and a travel switch (510) is arranged on the control circuit board (500), and one end of the button (600) extends downward to form a push plate (610) linked with the travel switch (510).

7. The indicating relay of claim 1, wherein: The driving plate (400) is provided with at least three driving grooves (410), and the driving grooves matched with the armature assembly (120) and the moving contact (210) are oppositely arranged.

8. The relay with indication function according to claim 2, characterized in that: The inner wall of the second chamber (2000) is provided with a plurality of ribs (2100) arranged towards the driving plate (400).

9. The indicating relay of claim 1, wherein: One end of the driving plate (400) extends upward to form a button (600) penetrating the shell.

10. The indicating relay of claim 9, wherein: The button (600) extends downward to form a push plate (610) arranged in parallel with the driving plate (400).

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