CN214411006U - Dual-power transfer switch with selectable overload alarm non-tripping function - Google Patents

Abstract

The utility model provides a dual supply change-over switch of function is not detained in optional overload warning, include: the switch body is provided with an alarm component; the thermal action piece is arranged in the switch body, and when the thermal action piece is overloaded, the alarm component can be triggered to send out an alarm signal, so that a worker is informed of quickly troubleshooting, and overload alarm without power failure is realized.

Description

Dual-power transfer switch with selectable overload alarm non-tripping function

Technical Field

The utility model relates to a dual power supply technical field, concretely relates to optional overload warning does not detain dual power transfer switch of function.

Background

The dual-power transfer switch is used for enabling a power supply to continuously supply power, and when a common power supply suddenly breaks down or has a power failure, the dual-power transfer switch can be manually or automatically operated and can be switched to a standby power supply, so that the electric equipment can still normally run.

The existing dual-power transfer switch can be powered off when overload occurs, however, important places needing continuous power supply, such as fire fighting, hospitals, data management centers and the like, need to still maintain power supply even if overload occurs, and therefore, the utility model discloses a dual-power transfer switch capable of alarming and not powered off when overload is urgently needed.

In addition, as shown in fig. 9, the conventional dual power transfer switch includes a first input component 01, a second input component 02, an output component 04, and a moving contact component 05, wherein the moving contact component 05 is rotatably installed on a switch body 03, and has a common position for connecting the first input component 01 and the output component 04, and a standby position for connecting the second input component 02 and the output component 04, because the first input component 01 and the second input component 02 are respectively installed at the upper side and the lower side of the switch body 03, and the output component 04 is installed at the middle part of the switch body, which is different from a conventional "top-in bottom-out" connection mode, thereby easily causing a wrong connection, and affecting equipment and personal safety.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that dual power transfer switch among the prior art can drop the outage when transshipping to a dual power transfer switch that can report to the police and not cut off the power supply when transshipping is provided.

Therefore, the utility model provides a dual power change-over switch of optional overload warning non-tripping function, including switch body, alarm component and thermal action spare, the thermal action spare is located in the switch body, the thermal action spare can trigger alarm component and send alarm signal when transshipping.

The thermal action member is a thermosensitive element.

The thermosensitive element is a bimetallic strip, one end of the bimetallic strip is connected with the current-carrying piece in the switch body, and the other end of the bimetallic strip is provided with a driving piece for triggering the alarm assembly to act.

The driving piece is an adjusting screw in threaded connection with a threaded hole in the end of the bimetallic strip.

The alarm assembly comprises a buzzer and a first change-over switch, and the first change-over switch and the buzzer are positioned in the same conductive loop and used for switching on or switching off the conductive loop; when the overload occurs, the first switch is driven to be closed by the thermal action piece so as to switch on the conductive circuit.

The control assembly comprises a second change-over switch and a deflector rod assembly, and the second change-over switch is arranged on the conductive loop and used for controlling the connection or disconnection of the conductive loop; the driving lever assembly is slidably arranged on the switch body and used for driving the second change-over switch to change the switch state, the driving lever assembly is provided with a driving lever extending out of the top surface of the switch body and a sliding block linked with the driving lever, and a convex block for driving the second change-over switch to act is formed on the sliding block.

A limiting hole is formed in the sliding block, and a limiting block which extends into the limiting hole to limit the moving track of the sliding block is arranged on the switch body.

The second switch is connected with the buzzer in parallel, and the second switch is connected with the buzzer in series.

The switch also comprises a first input assembly and a second input assembly which are arranged on the upper side of the switch body; the output assembly is arranged on the lower side of the switch body and is connected with the thermal action piece; the movable contact assembly is rotatably arranged on the switch body through a rotating shaft and is provided with a movable contact which can be in contact connection with or disconnected from the fixed contacts of the first input assembly and the second input assembly, and one end, far away from the movable contact, of the movable contact is connected with the output assembly through a flexible stranded wire.

The moving contact is including locating in the pivot, rather than the main part board of linkage, and follow respectively the main part board is towards first linking arm and the second linking arm that both sides extended, the tip of first linking arm is equipped with the moving contact, the tip of second linking arm with soft stranded conductor welded connection.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a dual power transfer switch of optional overload warning non-tripping function, make piece and alarm assembly including switch body, heat makes the piece when transshipping, can trigger alarm assembly and send alarm signal to in time inform the staff people to investigate the trouble fast, realized overload warning not cut off the power supply.

2. The utility model provides a dual power transfer switch of function is not detained in optional overload warning, the driving piece be with the screw hole threaded connection's of bimetallic strip tip adjusting screw, its and first change over switch's interval can be adjusted to adjusting screw to reduce the requirement to each spare part assembly precision, improved assembly efficiency.

3. The utility model provides a dual supply change over switch of function is not detained in optional overload warning, the warning subassembly includes bee calling organ and first change over switch, and when transshipping, first change over switch is closed by the action of heating drive to make the conductive loop switch-on at bee calling organ place, bee calling organ sends alarm signal, reminds the staff people to troubleshoot the trouble fast.

4. The utility model provides a dual supply change over switch of function is not detained in optional overload warning, control assembly include second change over switch and driving lever subassembly, and on the conductive loop was located to the second change over switch for the switch-on or the disconnection of control conductive loop, also the on-off state of customer accessible driving lever subassembly control second change over switch, thereby whether select to close alarm signal, satisfied customer's different demands like this.

5. The utility model provides a dual power transfer switch of function is not detained in optional overload warning still includes the pilot lamp parallelly connected back, with the second change over switch of establishing ties with bee calling organ and first change over switch, and the operating condition of second change over switch can be instructed to the pilot lamp, more facilitates the use.

6. The utility model provides a dual power transfer switch of optional overload warning non-tripping function, because first input assembly and second input assembly all locate the upside of switch body, the output assembly locates the downside of switch body, accords with the conventional "go in and go out from top to bottom" mode of connection like this, is difficult for connecing the mistake, has improved fail safe nature; in addition, the end of the moving contact far away from the moving contact is connected with the output assembly through the soft stranded wire, so that the device has the advantages of simple structure and high reliability.

7. The utility model provides a dual power transfer switch of function is not detained in optional overload warning, moving contact are including locating in the pivot, rather than the main part board of linkage to and respectively from the first linking arm and the second linking arm that the main part board extends towards both sides, the tip of first linking arm is equipped with the movable contact, the tip and the soft stranded wire welded connection of second linking arm, the moving contact has simple structure, low in production cost's advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a dual power transfer switch with selectable overload alarm non-tripping function according to the present invention;

FIG. 2 is a perspective view of FIG. 1 with the housing removed;

FIG. 3 is an assembled schematic view of the output assembly and the alarm assembly;

FIG. 4 is a perspective view of the control assembly;

FIG. 5 is a circuit schematic of the alarm assembly and the control assembly;

FIG. 6 is a perspective view of the movable contact assembly and the input and output assemblies;

FIG. 7 is a front view of FIG. 6;

fig. 8 is a perspective view of the movable contact and the flexible stranded wire;

fig. 9 is a schematic structural diagram of a dual power transfer switch in the prior art.

Description of reference numerals: 01. a first input assembly; 02. a second input assembly; 03. a switch body; 04. an output component; 05. a moving contact assembly;

1. a switch body; 10. a limiting block; 11. a first input assembly; 110. static contact; 12. a second input assembly; 120. static contact; 13. an output component; 2. a thermal acting member; 3. adjusting screws; 4. a buzzer; 5. a first changeover switch; 6. a second changeover switch; 7. a deflector rod assembly; 71. a deflector rod; 72. a slider; 73. a bump; 74. a limiting hole; 8. an indicator light; 9. a moving contact assembly; 90. a rotating shaft; 91. a moving contact; 92. a movable contact; 93. a main body plate; 94. a first connecting arm; 95. a second connecting arm; 96. and (4) soft stranded wires.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides a dual-power transfer switch with a selectable overload alarm non-tripping function, which comprises a switch body 1, a thermal action member 2, an alarm component and a control component, as shown in fig. 1-5.

The thermal action part 2 is arranged in the switch body 1, and the thermal action part 2 can trigger the alarm component to send out an alarm signal when being overloaded. The thermal action member 2 is a thermal element, in this embodiment, the thermal element is a bimetallic strip, as shown in fig. 2 and 3, one end of the bimetallic strip is connected with a current-carrying member in the switch body 1, the other end of the bimetallic strip is provided with a driving member for triggering the alarm assembly to act, and the driving member is an adjusting screw 3 in threaded connection with a threaded hole at the end of the bimetallic strip.

The alarm component comprises a buzzer 4 and a first change-over switch 5, wherein the first change-over switch 5 and the buzzer 4 are in the same conductive loop and are used for switching on or off the conductive loop; wherein, when the overload occurs, the first switch 5 is driven by the thermal actuator 2 to close, so as to switch on the conductive circuit.

And the control assembly controls the working state of the alarm assembly and comprises a second selector switch 6, a deflector rod assembly 7 and an indicator light 8.

As shown in fig. 4 and 5, a second switch 6 is disposed on the conductive loop for controlling the conductive loop to be switched on or off; the deflector rod assembly 7 is slidably mounted on the switch body 1 and is used for driving the second change-over switch 6 to change the switch state, the deflector rod assembly is provided with a deflector rod 71 extending out of the top surface of the switch body 1 and a sliding block 72 linked with the deflector rod 71, and a convex block 73 for driving the second change-over switch 6 to move is formed on the sliding block 72. A limiting hole 74 is formed in the sliding block 72, and a limiting block 10 extending into the limiting hole 74 to limit the moving track of the sliding block 72 is arranged on the switch body 1. And the indicator light 8 is connected in parallel with the buzzer 4 and the first change-over switch 5 and then connected in series with the second change-over switch 6.

The switch body 1, as shown in fig. 6-8, has a first input assembly 11, a second input assembly 12, an output assembly 13 and a movable contact assembly 9.

The first input assembly 11 and the second input assembly 12 are both arranged on the upper side of the switch body 1, and the output assembly 13 is arranged on the lower side of the switch body 1 and connected with the thermal actuator.

The movable contact assembly 9 is rotatably mounted on the switch body 1 through a rotating shaft 90, and has a movable contact 91 capable of contacting with or disconnecting from the fixed contact 110/120 of the first input assembly 11 and the second input assembly 12, and one end of the movable contact 91 far away from the movable contact 92 is connected with the output assembly 13 through a flexible stranded wire 96. The movable contact 91 comprises a main body plate 93 arranged on the rotating shaft 90 and linked with the rotating shaft, and a first connecting arm 94 and a second connecting arm 95 extending from the main body plate 93 to two sides respectively, the movable contact 92 is arranged at the end part of the first connecting arm 94, and the end part of the second connecting arm 95 is connected with the flexible stranded wire 96 in a welding mode.

As an alternative embodiment, the alarm assembly also comprises an indicator light in series with the buzzer 4.

The utility model provides a dual power transfer switch of optional overload warning non-tripping function, including switch body 1, thermal acting 2 and alarm component, thermal acting 2 can trigger alarm component and send alarm signal when transshipping to in time inform the staff people to investigate the trouble fast, realized overload warning not cut off the power supply.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A dual power transfer switch with selectable overload alarm non-tripping function, comprising:

the switch body (1) is provided with an alarm component;

the thermal action piece (2) is arranged in the switch body (1), and the thermal action piece (2) can trigger the alarm component to send out an alarm signal when being overloaded.

2. The dual power transfer switch of the selectable overload warning non-trip function of claim 1, wherein the thermal actuator (2) is a thermal element.

3. The double-power-supply change-over switch with the selectable overload alarm non-tripping function as claimed in claim 2, wherein the thermal sensitive element is a bimetallic strip, one end of the bimetallic strip is connected with a current-carrying piece in the switch body (1), and the other end of the bimetallic strip is provided with a driving piece for triggering the alarm component to act.

4. The dual power transfer switch of the selectable overload alarm non-trip function of claim 3, wherein the driving member is an adjusting screw (3) threadedly connected with a threaded hole at the end of the bimetal.

5. The dual power transfer switch of any of claims 1-4, wherein the alarm assembly comprises:

a buzzer (4);

the first change-over switch (5) is positioned in the same conductive loop with the buzzer (4) and is used for switching on or switching off the conductive loop; wherein, when the overload occurs, the first switch (5) is driven to close by the thermal action piece (2) so as to switch on the conductive circuit.

6. The dual power transfer switch of claim 5, further comprising a control assembly for controlling the operational status of the alarm assembly, the control assembly comprising:

the second change-over switch (6) is arranged on the conductive loop and used for controlling the connection or disconnection of the conductive loop;

the driving lever assembly (7) is slidably mounted on the switch body (1) and used for driving the second change-over switch (6) to change the switch state, the driving lever assembly is provided with a driving lever (71) extending out of the top surface of the switch body (1) and a sliding block (72) linked with the driving lever (71), and a convex block (73) for driving the second change-over switch (6) to move is formed on the sliding block (72).

7. The dual-power transfer switch with the selectable overload alarm non-tripping function according to claim 6, wherein a limiting hole (74) is formed in the sliding block (72), and a limiting block (10) extending into the limiting hole (74) to limit the moving track of the sliding block (72) is arranged on the switch body (1).

8. The dual power transfer switch with selectable overload warning and non-tripping function according to claim 6 or 7, characterized by further comprising an indicator light (8) connected in parallel with the buzzer (4) and the first transfer switch (5) and then connected in series with the second transfer switch (6).

9. The dual power transfer switch of claim 1, further comprising:

the first input assembly (11) and the second input assembly (12) are arranged on the upper side of the switch body (1);

the output assembly (13) is arranged on the lower side of the switch body (1) and is connected with the thermal action piece;

the moving contact component (9) is rotatably arranged on the switch body (1) through a rotating shaft (90), and is provided with a moving contact (91) which can be in contact connection with or disconnected from the fixed contacts (110; 120) of the first input component (11) and the second input component (12), and one end, far away from the moving contact (92), of the moving contact (91) is connected with the output component (13) through a flexible stranded wire (96).

10. The double-power transfer switch with the selectable overload alarm non-tripping function according to claim 9, wherein the movable contact (91) comprises a main body plate (93) arranged on the rotating shaft (90) and linked with the rotating shaft, and a first connecting arm (94) and a second connecting arm (95) respectively extending from the main body plate (93) towards two sides, the movable contact (92) is arranged at an end of the first connecting arm (94), and an end of the second connecting arm (95) is welded with the flexible stranded wire (96).

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