CN113053681A - Dual-power transfer switch with selectable overload alarm non-tripping function - Google Patents
Dual-power transfer switch with selectable overload alarm non-tripping function Download PDFInfo
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- CN113053681A CN113053681A CN202110476281.8A CN202110476281A CN113053681A CN 113053681 A CN113053681 A CN 113053681A CN 202110476281 A CN202110476281 A CN 202110476281A CN 113053681 A CN113053681 A CN 113053681A
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- 230000009977 dual effect Effects 0.000 claims description 9
- 238000013024 troubleshooting Methods 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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Abstract
The invention provides a double-power transfer switch with selectable overload alarm non-tripping function, which comprises: 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
Technical Field
The invention relates to the technical field of double power supplies, in particular to a double power supply change-over switch with a selectable overload alarm non-tripping 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 conventional dual-power transfer switch is powered off when overload occurs, however, for some important places requiring continuous power supply, such as fire fighting, hospitals, data management centers and the like, power supply needs to be maintained even if overload occurs, and therefore, the invention of the dual-power transfer switch capable of alarming without powering off when overload occurs 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.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the dual-power transfer switch in the prior art can be tripped and powered off when being overloaded, thereby providing the dual-power transfer switch which can alarm and does not power off when being overloaded.
Therefore, the invention provides a double-power-supply change-over switch with a selectable overload alarm non-tripping function, which comprises a switch body, an alarm component and a thermal action piece, wherein the thermal action piece is arranged in the switch body, and can trigger the alarm component to send out an alarm signal when the thermal action piece is overloaded.
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 technical scheme of the invention has the following advantages:
1. the double-power-supply change-over switch with the selectable overload alarm non-tripping function comprises a switch body, a thermal action piece and an alarm component, wherein the thermal action piece can trigger the alarm component to send out an alarm signal when being overloaded, so that a worker is informed to quickly troubleshoot faults in time, and overload alarm non-power-off is realized.
2. According to the double-power-supply change-over switch with the optional overload alarm non-tripping function, the driving piece is the adjusting screw in threaded connection with the threaded hole in the end of the bimetallic strip, and the adjusting screw can adjust the distance between the adjusting screw and the first change-over switch, so that the requirement on the assembly precision of each part is reduced, and the assembly efficiency is improved.
3. The invention provides a double-power-supply change-over switch with a selectable overload alarm non-tripping function.A warning component comprises a buzzer and a first change-over switch, wherein when the double-power-supply change-over switch is overloaded, the first change-over switch is driven to be closed by a thermal action piece so as to switch on a conductive loop where the buzzer is located, and the buzzer sends out a warning signal to remind a worker of quickly troubleshooting.
4. The control assembly comprises a second change-over switch and a deflector rod assembly, wherein the second change-over switch is arranged on the conductive loop and used for controlling the connection or disconnection of the conductive loop, namely, a customer can control the on-off state of the second change-over switch through the deflector rod assembly so as to select whether to turn off the alarm signal, thus meeting different requirements of the customer.
5. The dual-power transfer switch with the optional overload alarm non-tripping function further comprises an indicator lamp which is connected in parallel with the buzzer and the first change-over switch and then connected in series with the second change-over switch, and the indicator lamp can indicate the working state of the second change-over switch, so that the dual-power transfer switch is more convenient to use.
6. According to the double-power-supply change-over switch with the selectable overload alarm non-tripping function, the first input assembly and the second input assembly are arranged on the upper side of the switch body, and the output assembly is arranged on the lower side of the switch body, so that the double-power-supply change-over switch conforms to a conventional 'top-in bottom-out' wiring mode, is not easy to be connected in a wrong way, and improves the safety and reliability; 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 invention provides a double-power transfer switch with a selectable overload alarm non-tripping function, which comprises a moving contact, a first connecting arm and a second connecting arm, wherein the moving contact is arranged on a rotating shaft and is linked with the rotating shaft, and the first connecting arm and the second connecting arm extend towards two sides from the main body plate respectively.
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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a dual power transfer switch with optional overload warning override function of 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 solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may 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 double-power-supply change-over switch with the selectable overload alarm non-tripping function comprises a switch body 1, a thermal action piece 2 and an alarm component, wherein the thermal action piece 2 can trigger the alarm component to send out an alarm signal when being overloaded, so that a worker is informed of rapidly troubleshooting, and overload alarm is realized without power failure.
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 therefrom are within 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 double 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476281.8A CN113053681A (en) | 2021-04-29 | 2021-04-29 | Dual-power transfer switch with selectable overload alarm non-tripping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476281.8A CN113053681A (en) | 2021-04-29 | 2021-04-29 | Dual-power transfer switch with selectable overload alarm non-tripping function |
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| Publication Number | Publication Date |
|---|---|
| CN113053681A true CN113053681A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110476281.8A Pending CN113053681A (en) | 2021-04-29 | 2021-04-29 | Dual-power transfer switch with selectable overload alarm non-tripping function |
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| CN (1) | CN113053681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963997A (en) * | 2021-09-27 | 2022-01-21 | 德力西电气有限公司 | Circuit breaker capable of automatically selecting overload protection mode |
| CN113991744A (en) * | 2021-11-29 | 2022-01-28 | 山东瑞吉德自动化股份有限公司 | Wisdom energy supply system |
-
2021
- 2021-04-29 CN CN202110476281.8A patent/CN113053681A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963997A (en) * | 2021-09-27 | 2022-01-21 | 德力西电气有限公司 | Circuit breaker capable of automatically selecting overload protection mode |
| CN113963997B (en) * | 2021-09-27 | 2023-12-26 | 德力西电气有限公司 | Circuit breaker capable of automatically selecting overload protection mode |
| CN113991744A (en) * | 2021-11-29 | 2022-01-28 | 山东瑞吉德自动化股份有限公司 | Wisdom energy supply system |
| CN113991744B (en) * | 2021-11-29 | 2024-04-16 | 山东瑞吉德自动化股份有限公司 | Intelligent energy supply system |
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