CN216161672U - Hot-melting type breaker - Google Patents
Hot-melting type breaker Download PDFInfo
- Publication number
- CN216161672U CN216161672U CN202121860017.6U CN202121860017U CN216161672U CN 216161672 U CN216161672 U CN 216161672U CN 202121860017 U CN202121860017 U CN 202121860017U CN 216161672 U CN216161672 U CN 216161672U
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- cavity
- mounting
- opening
- thermal fuse
- connecting portion
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- 238000002844 melting Methods 0.000 title claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 35
- 230000008018 melting Effects 0.000 claims description 15
- 239000003999 initiator Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012943 hotmelt Substances 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000476 thermogenic effect Effects 0.000 description 1
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Abstract
The present invention relates to a thermal fuse type breaker. The thermal fuse type breaker includes: the mounting seat is provided with an accommodating cavity and a nozzle communicated with the accommodating cavity; the conductive piece is arranged on the mounting seat and is positioned at the nozzle; the heat generating agent is arranged in the accommodating cavity, generates heat when being started, is sprayed out from the nozzle and fuses the conductive piece; and a starting line extending into the accommodating cavity for starting the heat generating agent when a fire occurs. When a fire disaster happens, the driving wire starts the heat generating agent, and the conductive piece is fused by utilizing a large amount of heat generated when the heat generating agent is started, so that the power failure of the electrical equipment is realized, a power supply or a standby power supply is not relied on, the phenomenon that the electrical equipment cannot be powered off in time due to the fact that the protection circuit is damaged is avoided, and the electrical equipment can be powered off in time.
Description
Technical Field
The utility model relates to the technical field of circuit protection, in particular to a hot-melt type breaker.
Background
Under the condition of fire caused by combustible substances ignited on the hot surface of an electric heating appliance, fire caused by thunder, fire caused by static electricity or the like, in order to avoid causing greater damage to electrical equipment, the fire extinguishing difficulty is reduced, and the electrical equipment needs to be powered off in time.
However, a general protection circuit needs to rely on a power supply or a standby power supply to perform power failure protection on electrical equipment, and the protection circuit is also easy to damage, so that a power failure phenomenon often occurs.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a thermal fuse breaker which improves the above-mentioned defects, in order to solve the problems that the protection circuit in the prior art needs to rely on a power supply or a backup power supply to perform power-off protection on the electrical equipment, and the protection circuit is also easily damaged and often fails in power-off.
A thermal fuse-type electrical disconnect comprising:
the mounting seat is provided with an accommodating cavity and a nozzle communicated with the accommodating cavity;
the conductive piece is arranged on the mounting seat and is positioned at the nozzle;
the heat generating agent is arranged in the accommodating cavity, generates heat when being started, is sprayed out from the nozzle and fuses the conductive piece; and
and the starting line extends into the accommodating cavity and is used for starting the heat generating agent when a fire disaster happens.
In one embodiment, the heat generating agent comprises an aerosol fire suppressant.
In one embodiment, the thermal fuse type circuit breaker further comprises a first conductive pillar and a second conductive pillar both fixedly connected to the mounting base;
the conductive piece comprises a first connecting portion, a second connecting portion and a fusing portion connected between the first connecting portion and the second connecting portion, the first connecting portion is fixedly connected with the first conductive column, the second connecting portion is fixedly connected with the second conductive column, and the nozzle faces the fusing portion.
In one embodiment, the mounting seat is further provided with a melting cavity, the melting cavity is communicated with the containing cavity through the nozzle, and the fusing part is positioned in the melting cavity.
In one embodiment, the mounting base further has a first mounting cavity and a second mounting cavity, the first connecting portion is located in the first mounting cavity and fixedly connected to one end of the first conductive pillar penetrating into the first mounting cavity; the second connecting portion are located the second installation cavity, and with the second is led electrical pillar to penetrate the one end fixed connection in second installation cavity.
In one embodiment, the mounting seat further has a first opening communicated with the first mounting cavity, a second opening communicated with the second mounting cavity, and a third opening communicated with the melting cavity, and the first opening, the second opening, and the third opening are located on the same side of the mounting seat;
the hot melt type breaker further comprises a protective cover, wherein the protective cover is covered on one side of the first opening, the second opening and the third opening of the mounting base.
In one embodiment, the mounting seat further has a mounting opening communicated with the accommodating cavity, and the thermal fuse breaker further includes a bottom cover mounted at the mounting opening of the mounting seat to close the mounting opening.
In one embodiment, the bottom cover or the mounting seat is provided with a threading hole communicated with the accommodating cavity, and one end of the starting thread penetrates into the accommodating cavity through the threading hole.
In one embodiment, the starting line is a fuse, one end of the fuse is located in the accommodating cavity, and the other end of the fuse penetrates through the accommodating cavity and extends to the protection area.
In one embodiment, the starting line is an electric starting line, the thermal fuse type circuit breaker further comprises an electric initiator, the electric initiator is arranged in the accommodating cavity, one end of the electric starting line is electrically connected with the electric initiator, and the other end of the electric starting line penetrates through the accommodating cavity and is used for being electrically connected with an external controller.
In the thermal fuse type circuit breaker, initially, the conductive piece is electrically connected to a circuit between the power supply and the electrical equipment, and the power supply supplies power to the electrical equipment through the conductive piece. When a fire disaster happens, the starting line starts the heat generating agent, the heat generating agent generates a large amount of heat when being started and is sprayed out from the nozzle towards the conductive piece, so that the conductive piece is fused, the electric connection between the power supply and the electrical equipment is cut off, and the power failure of the electrical equipment is realized.
Compared with the prior art, the hot-melt type breaker provided by the utility model has the advantages that the heat generating agent is driven to start when a fire disaster happens, and the conductive piece is fused by utilizing a large amount of heat generated when the heat generating agent is started, so that the power failure of electrical equipment is realized, a power supply or a standby power supply is not relied on, the phenomenon that the electrical equipment cannot be powered off timely due to the damage of a protection circuit is avoided, and the electrical equipment can be powered off timely.
Drawings
Fig. 1 is a schematic structural diagram of a thermal fuse type breaker according to an embodiment of the present invention;
fig. 2 is a front view of the thermal fuse type breaker shown in fig. 1;
fig. 3 is a sectional view of the thermal fuse type breaker shown in fig. 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 3, an embodiment of the utility model provides a thermal fuse type breaker, which includes a mounting base 10, a conductive member (not shown), a heat generating agent (not shown), and an activation wire (not shown).
The mounting seat 10 has a housing chamber 11 and a spout 12 (see fig. 3) communicating with the housing chamber 11. The conductive member is mounted to the mounting base 10 at the spout 12. It will be appreciated that the conductive member is connected in circuit between the electrical device and the power source. The heat generating agent is arranged in the containing cavity 11, and when the heat generating agent is started, a large amount of heat is generated and sprayed out from the nozzle 12, and the conductive piece is fused, so that the power failure of the electrical equipment is realized. The starting line extends into the accommodating chamber 11 for starting the heat generating agent when a fire breaks out.
In the thermal fuse type circuit breaker, initially, the conductive piece is electrically connected to a circuit between the power supply and the electrical equipment, and the power supply supplies power to the electrical equipment through the conductive piece. When a fire disaster happens, the starting line starts the heat generating agent, and the heat generating agent generates a large amount of heat when being started and is sprayed out from the nozzle 12 towards the conductive piece, so that the conductive piece is fused, the electric connection between the power supply and the electrical equipment is cut off, and the power failure of the electrical equipment is realized.
Compared with the prior art, the hot-melt type breaker provided by the utility model has the advantages that the heat generating agent is driven to start when a fire disaster happens, and the conductive piece is fused by utilizing a large amount of heat generated when the heat generating agent is started, so that the power failure of electrical equipment is realized, a power supply or a standby power supply is not relied on, the phenomenon that the electrical equipment cannot be powered off timely due to the damage of a protection circuit is avoided, and the electrical equipment can be powered off timely.
Alternatively, the heat-generating agent can be an aerosol fire extinguishing agent, which not only has the function of generating a large amount of heat after being started, but also has a certain fire extinguishing effect. Of course, the thermogenic agent may be other agents as long as they can be activated by heat and generate a large amount of heat, and is not limited herein.
In the embodiment of the present invention, the thermal fuse type breaker further includes a first conductive pillar 20 and a second conductive pillar 30 both fixedly connected to the mounting base 10. The conductive piece comprises a first connecting part, a second connecting part and a fusing part, and the fusing part is connected between the first connecting part and the second connecting part. The first connecting portion is fixedly connected to the first conductive column 20, the second connecting portion is fixedly connected to the second conductive column 30, the first conductive column 20 and the second conductive column 30 are electrically connected to a circuit between a power supply and electrical equipment, when the first conductive column 20 and the second conductive column 30 are electrically conducted, the power supply and the electrical equipment are electrically conducted, and therefore the power supply supplies power to the electrical equipment; when the first conductive pillar 20 and the second conductive pillar 30 are disconnected, the power supply is electrically disconnected from the electrical equipment, so that the electrical equipment is powered off. Spout 12 sets up towards the fuse part for the heat that produces after the heat generating agent is started spouts from spout 12 and fuses the fuse part of electrically conductive piece, thereby makes first connecting portion and second connecting portion disconnection, breaks between first conductive pillar 20 and the second conductive pillar 30 promptly, realizes the outage to electrical equipment.
In the embodiment, the mounting seat 10 further has a melting cavity 13, the melting cavity 13 is communicated with the accommodating cavity 11 through the nozzle 12, and the fusing part is located in the melting cavity 13, so that heat generated after the heat generating agent is started enters the melting cavity 13 from the nozzle 12, and the fusing part located in the melting cavity 13 is fused, and the electrical equipment is powered off. Thus, the arrangement of the melting cavity 13 is convenient for concentrating the heat generated by the heat generating agent, and the fusing part of the conductive piece can be quickly fused.
Further, the mounting base 10 further has a first mounting cavity 14 and a second mounting cavity 15, and the first connection portion is located in the first mounting cavity 14 and fixedly connected to one end of the first conductive pillar 20 penetrating into the first mounting cavity 14. The second connecting portion is located in the second mounting cavity 15, and is fixedly connected to one end of the second conductive pillar 30 penetrating into the second mounting cavity 15. Thus, the first mounting cavity 14 is utilized to accommodate the first connection portion and one end of the first conductive pillar 20, so as to ensure that the first connection portion and the first conductive pillar 20 are normally electrically connected; the second mounting cavity 15 is utilized to accommodate one end of the second connecting portion and the second conductive pillar 30, so as to ensure that the second connecting portion and the second conductive pillar 30 are electrically connected normally.
Further, the mounting seat 10 further has a first opening 141 communicating with the first mounting cavity 14, a second opening 151 communicating with the second mounting cavity 15, and a third opening 131 communicating with the melting cavity 13, and the first opening 141, the second opening 151, and the third opening 131 are located on the same side of the mounting seat 10.
The thermal fuse type breaker further includes a protective cover (not shown) disposed on one side of the mounting base 10 having the first opening 141, the second opening 151 and the third opening 131, so that the first opening 141, the second opening 151 and the third opening 131 are shielded by the protective cover, thereby protecting the first connection portion in the first mounting cavity 14, the second connection portion in the second mounting cavity 15 and the fusing portion in the fusing cavity 13, and ensuring safety. Optionally, the protective cover is detachably connected to the mounting seat 10 to facilitate closing and opening the protective cover, thereby facilitating assembly of the conductive member, the first conductive pillar 20, and the second conductive pillar 30.
In the embodiment of the present invention, the mounting base 10 further has a mounting opening 111 communicating with the accommodating cavity 11, and the thermal fuse breaker further includes a bottom cover (not shown), which is mounted at the mounting opening 111 of the mounting base 10 to close the mounting opening 111. So, the setting of installation opening 111 is convenient assembles the heat production agent to the holding chamber 11 in to this installation opening 111 of bottom lid protects the heat production agent in the holding chamber 11.
Further, the bottom cover or the mounting seat 10 is provided with a threading hole communicated with the accommodating cavity 11, and one end of the starting line penetrates into the accommodating cavity 11 through the threading hole, so that the starting line can start the heat generating agent in the accommodating cavity 11.
In one embodiment, the starting cable is a fuse, one end of the fuse extends to the heat generating agent in the accommodating cavity 11, and the other end of the fuse extends to the protection area. Like this, when the fire takes place for the zone of protection, the high temperature that the fire produced ignites the fuse and arranges in the one end of zone of protection to the fuse burns to heat production agent department, and then starts heat production agent. Alternatively, the fuse may be a heat-sensitive wire.
It should be noted that the use of a fuse to activate the heat generating agent is not limited, and in other embodiments, the activation wire may be an electrical activation wire, and the thermal fuse breaker may further include an electrical initiator. The electric initiator is arranged at the position of the heat generating agent in the accommodating cavity 11, one end of the electric starting line is electrically connected with the electric initiator, and the other end of the electric starting line is electrically connected with the external controller. So, when taking place the conflagration, the signal that takes place the conflagration is received to external control ware to strike sparks through electric starting line control electric initiator, thereby start the heat production agent, and then utilize the heat fusing electrically conductive piece that the heat production agent produced. It should be noted that, in this embodiment, it is necessary to arrange a fire detector in the protection area, and the fire detector is connected to the external controller in a communication manner, so that when the fire detector detects a fire in the protection area, the fire detector sends a signal of fire to the external controller, and the external controller controls the electric initiator to ignite through the electric start line after receiving the signal of fire, thereby starting the heat generating agent. Alternatively, the electrical initiator may be an electrical firing head.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A thermal fuse-type electrical disconnect, comprising:
the mounting seat (10) is provided with an accommodating cavity (11) and a nozzle (12) communicated with the accommodating cavity (11);
an electrically conductive member mounted to the mounting base (10) and located at the spout (12);
the heat generating agent is arranged in the accommodating cavity (11), generates heat when being started and is sprayed out from the nozzle (12), and fuses the conductive piece; and
an activation line extending into the receiving chamber (11) for activating the heat generating agent in the event of a fire.
2. The thermal fuse breaker according to claim 1, characterized in that it further comprises a first conductive post (20) and a second conductive post (30) both fixedly connected to the mounting seat (10);
the conductive piece comprises a first connecting portion, a second connecting portion and a fusing portion connected between the first connecting portion and the second connecting portion, the first connecting portion is fixedly connected with the first conductive column (20), the second connecting portion is fixedly connected with the second conductive column (30), and the nozzle (12) faces the fusing portion.
3. The thermal fuse type breaker according to claim 2, characterized in that the mounting seat (10) further has a melting chamber (13), the melting chamber (13) communicating with the accommodation chamber (11) through the spout (12), the fusing portion being located in the melting chamber (13).
4. The thermal fuse type breaker according to claim 3, wherein the mounting base (10) further has a first mounting cavity (14) and a second mounting cavity (15), the first connecting portion is located in the first mounting cavity (14) and is fixedly connected to one end of the first conductive pillar (20) penetrating into the first mounting cavity (14); the second connecting portion is located second installation cavity (15), and with second lead electrical pillar (30) penetrate the one end fixed connection of second installation cavity (15).
5. The thermal fuse type breaker according to claim 4, characterized in that the mounting seat (10) further has a first opening (141) communicating with the first mounting cavity (14), a second opening (151) communicating with the second mounting cavity (15), and a third opening (131) communicating with the melting cavity (13), and the first opening (141), the second opening (151), and the third opening (131) are all located on the same side of the mounting seat;
the thermal fuse type breaker further comprises a protective cover, wherein the protective cover is covered on one side of the first opening (141), the second opening (151) and the third opening (131) of the mounting seat (10).
6. The thermal fuse breaker according to claim 1, characterized in that the mounting base (10) further has a mounting opening (111) communicating with the accommodation chamber (11), the thermal fuse breaker further comprising a bottom cover mounted at the mounting opening (111) of the mounting base (10) to close the mounting opening (111).
7. The thermal fuse type breaker according to claim 6, wherein the bottom cover or the mounting seat (10) is provided with a threading hole communicating with the accommodating chamber (11), and one end of the activation wire penetrates into the accommodating chamber (11) through the threading hole.
8. The thermal fuse type breaker according to claim 1, characterized in that the activation wire is a fuse, one end of which is located in the receiving cavity (11) and the other end of which passes out of the receiving cavity (11) and extends to a protected area.
9. The thermal fuse type breaker according to claim 1, wherein the starting wire is an electrical starting wire, and the thermal fuse type breaker further comprises an electrical initiator, the electrical initiator is disposed in the accommodating cavity (11), one end of the electrical starting wire is electrically connected to the electrical initiator, and the other end of the electrical starting wire penetrates through the accommodating cavity (11) and is electrically connected to an external controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121860017.6U CN216161672U (en) | 2021-08-10 | 2021-08-10 | Hot-melting type breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121860017.6U CN216161672U (en) | 2021-08-10 | 2021-08-10 | Hot-melting type breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161672U true CN216161672U (en) | 2022-04-01 |
Family
ID=80838105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121860017.6U Active CN216161672U (en) | 2021-08-10 | 2021-08-10 | Hot-melting type breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161672U (en) |
-
2021
- 2021-08-10 CN CN202121860017.6U patent/CN216161672U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hot melt type circuit breaker Effective date of registration: 20231214 Granted publication date: 20220401 Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch Pledgor: Hubei and Andun Fire Technology Co.,Ltd. Registration number: Y2023980071183 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |