CN214588092U

CN214588092U - Recoverable temperature sensing cable of multistage fire alarm of multichannel

Info

Publication number: CN214588092U
Application number: CN202120577662.0U
Authority: CN
Inventors: 孙志强; 于鹏飞
Original assignee: Shenyang Shen'an Detection Technology Co ltd
Current assignee: Shenyang Shen'an Detection Technology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-02
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a multistage fire alarm's of multichannel resumable temperature sensing cable relates to temperature sensing cable technical field, the utility model discloses a lag and plastic-aluminum composite cover, lag inner wall fixedly connected with separation sleeve, the separation sleeve is the passageway with the cavity that the lag inner wall encloses, passageway inner wall fixedly connected with plastic-aluminum composite cover, the fixed heat-sensitive insulating cover that has cup jointed of plastic-aluminum composite cover inner wall. The utility model discloses a setting of the response lantern ring, the conductor can the condition that the temperature rose when using, and the temperature can rise thereupon along with the increase of electrical element power, when the temperature is higher, the condition that softens can appear in the heat-sensitive insulating cover, the response lantern ring begins to function this moment, the response lantern ring can indicate the controller to send out the police dispatch newspaper, through the alarm can be accurate judge the conductor where the temperature is higher, the higher scope of definite conductor temperature that can be accurate, can corresponding handle fast, can realize multistage fire alarm.

Description

Recoverable temperature sensing cable of multistage fire alarm of multichannel

Technical Field

The utility model belongs to the technical field of the temperature sensing cable, especially, relate to a multistage fire alarm's of multichannel resumable temperature sensing cable.

Background

The temperature sensing cable, also known as a linear temperature sensing fire detector, has the ability of continuously monitoring the temperature of a protected object along the whole linear length. The temperature sensing cable is divided into an unrecoverable temperature sensing cable and a recovery temperature sensing cable, the unrecoverable temperature sensing cable consists of two steel wires insulated by a temperature sensing material, a layer of temperature sensing and insulating material is wrapped outside each steel wire, the two steel wires are in an insulating state under a normal monitoring state, when the ambient temperature rises to a preset action temperature, the temperature sensing material is broken, the two steel wires generate a short circuit, and an input module detects a short circuit signal and then generates an alarm, so that the temperature sensing cable belongs to a 'switching value' temperature sensing cable; the recoverable temperature sensing cable is also called as an analog quantity temperature sensing cable, the recoverable temperature sensing cable is composed of steel wires insulated by heat-sensitive materials, when the temperature of a field changes, the resistance among the steel wires changes, and when the resistance changes to reach a set alarm threshold value, the detector sends out a fire alarm signal. The recoverable temperature sensing cable in the prior art still has defects, such as:

the recoverable temperature sensing cable in the prior art has poor sensing and alarming effect, can not quickly sense the high temperature of the cable, can not correspondingly and quickly process the cable, greatly reduces the use efficiency of the sensing cable, and can not meet the requirements of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage fire alarm's of multichannel recoverable temperature sensing cable, through the setting of the compound cover of heat-sensitive insulation cover, separation sleeve, plastic-aluminum, the response lantern ring and lag, solved current response cable can not multistage fire alarm's problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a multistage fire alarm's of multichannel resumable temperature sensing cable, including lag and plastic-aluminum composite sleeve, lag inner wall fixedly connected with separation sleeve, the separation sleeve is the passageway with the cavity that the lag inner wall encloses, passageway inner wall fixedly connected with plastic-aluminum composite sleeve, the fixed heat-sensitive insulating cover that has cup jointed of plastic-aluminum composite sleeve inner wall, the peripheral even rigid coupling of heat-sensitive insulating cover has the response lantern ring, the corresponding response lantern ring department of plastic-aluminum composite sleeve inner wall has all seted up the spacing groove, the peripheral fixed cup joint at the spacing inslot wall of response lantern ring, the fixed conductor that has cup jointed of heat-sensitive insulating cover inner wall.

In a preferred embodiment, the spacer sleeve is of a Y-shaped configuration.

In a preferred embodiment, one side of the periphery of the aluminum-plastic composite sleeve is fixedly connected with the inner wall of the protective sleeve, and the other side of the periphery of the aluminum-plastic composite sleeve is fixedly connected with the isolation sleeve.

In a preferred embodiment, the induction sleeve ring is a circular ring structure, and the radius of a circumcircle of the induction sleeve ring is the same as that of a circle inscribed in the limiting groove.

In a preferred embodiment, the heat-sensitive insulating sleeve is of a hollow cylindrical structure, and the radius of an inscribed circle of the heat-sensitive insulating sleeve is the same as that of a circumscribed circle of the conductor.

In a preferred embodiment, the protective sleeve is of hollow cylindrical construction.

In a preferred embodiment, an anti-slip sleeve is fixedly sleeved on the periphery of the protective sleeve.

In a preferred embodiment, the inner wall of the protective sleeve is fixedly connected with a reinforcing sleeve corresponding to the isolation sleeve, and the reinforcing sleeve is fixedly connected with the isolation sleeve.

The utility model discloses following beneficial effect has:

1. the utility model discloses a setting of the response lantern ring, through evenly setting up the response lantern ring in the heat-sensitive insulation cover periphery, the conductor can the condition that the temperature rose when using, and the temperature can rise along with the increase of electric element power thereupon, when the temperature is higher, the condition that softens can appear in the heat-sensitive insulation cover, the response lantern ring begins to function this moment, the response lantern ring can indicate the controller to send out the police dispatch newspaper, can be accurate judge through the police dispatch newspaper that the conductor is where the temperature is higher, can be accurate confirm the higher scope of conductor temperature, can corresponding handle fast, can realize multistage fire alarm, the alarm effect is better.

2. The utility model discloses a setting of separation sleeve can increase the whole mechanical properties of response cable through the separation sleeve, promotes the life of response cable, has promoted the availability factor of response cable greatly.

3. The utility model discloses a setting of compound cover of plastic-aluminum, when the higher insulating cover of heat-sensitive that makes of conductor temperature is softened, compound cover of plastic-aluminum is made for high temperature resistant material to any change can not take place, the plasticization state can be resumeed to the heat-sensitive insulating cover when the conductor temperature reduces, in order to prevent influencing the precision of response cable.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a side sectional view of the heat sensitive insulating sleeve of the present invention;

FIG. 3 is a side cut-away view of the aluminum-plastic composite sleeve of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a protective sleeve; 11. an isolation sleeve; 12. a channel; 13. an anti-slip sleeve; 14. a reinforcing sleeve; 2. an aluminum-plastic composite sleeve; 21. a limiting groove; 22. an induction collar; 23. a heat-sensitive insulating sleeve; 24. a conductor.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Please refer to fig. 1-3, the utility model relates to a recoverable temperature sensing cable of multistage fire alarm of multichannel, including lag 1 and plastic-aluminum composite cover 2, lag 1 inner wall fixedly connected with spacer sleeve 11, the cavity that spacer sleeve 11 and lag 1 inner wall enclose is passageway 12, and the setting of multichannel 12 can promote the bulk utilization of response cable, passageway 12 inner wall fixedly connected with plastic-aluminum composite cover 2, the fixed thermal insulation cover 23 that has cup jointed of plastic-aluminum composite cover 2 inner wall, the peripheral even fixed response lantern ring 22 that has cup jointed of thermal insulation cover 23, the corresponding response lantern ring 22 department of plastic-aluminum composite cover 2 inner wall has all seted up spacing groove 21, the peripheral fixed cover of response lantern ring 22 is in the inner wall of spacing groove 21, the fixed cover of thermal insulation cover 23 inner wall has been cup jointed conductor 24.

Furthermore, the isolation sleeve 11 is of a Y-shaped structure, and the overall mechanical performance of the induction cable can be improved through the isolation sleeve 11.

Furthermore, one peripheral surface of the aluminum-plastic composite sleeve 2 is fixedly connected with the inner wall of the protective sleeve 1, and the other peripheral surface of the aluminum-plastic composite sleeve 2 is fixedly connected with the isolation sleeve 11.

Further, the induction lantern ring 22 is of a circular ring structure, and the radius of the circumscribed circle of the induction lantern ring 22 is the same as the radius of the inscribed circle of the limiting groove 21.

Further, the heat-sensitive insulating sleeve 23 is of a hollow cylindrical structure, and the radius of an inscribed circle of the heat-sensitive insulating sleeve 23 is the same as the radius of an circumscribed circle of the conductor 24.

Further, the protecting sleeve 1 is of a hollow cylindrical structure.

Furthermore, an anti-skid sleeve 13 is fixedly sleeved on the periphery of the protective sleeve 1.

Furthermore, the inner wall of the protective sleeve 1 corresponding to the isolation sleeve 11 is fixedly connected with a reinforcing sleeve 14, and the reinforcing sleeve 14 is fixedly connected with the isolation sleeve 11.

The working principle is as follows: the conductor 24 can the condition that the temperature rose when using, and the temperature can rise along with electric element power increase thereupon, when the temperature is higher, the condition of softening can appear in heat-sensitive insulating cover 23, response lantern ring 22 begins the operation this moment, response lantern ring 22 can indicate the controller to send out the police dispatch newspaper, can be accurate through the police dispatch newspaper judge conductor 24 where the temperature is higher, the higher scope of the higher temperature of definite conductor 24 that can be accurate, can corresponding quick the processing, can realize multistage fire alarm, the alarm effect is better, when conductor 24 temperature is higher makes heat-sensitive insulating cover 23 soften, compound cover 2 of plastic-aluminum is made for high temperature resistant material, thereby can not take place any change, heat-sensitive insulating cover 23 can resume the plastify state when conductor 24 temperature reduces, in order to prevent to influence induction cable's precision.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a multistage fire alarm's of multichannel recoverable temperature sensing cable, includes lag (1) and plastic-aluminum composite cover (2), its characterized in that: lag (1) inner wall fixedly connected with spacer sleeve (11), the cavity that spacer sleeve (11) and lag (1) inner wall enclose is passageway (12), passageway (12) inner wall fixedly connected with plastic-aluminum composite sleeve (2), the fixed cover of plastic-aluminum composite sleeve (2) inner wall has cup jointed temperature sensing insulating cover (23), the peripheral response lantern ring (22) that has evenly cup jointed of temperature sensing insulating cover (23), spacing groove (21) have all been seted up to the corresponding response lantern ring (22) department of plastic-aluminum composite sleeve (2) inner wall, the peripheral fixed cover of response lantern ring (22) is cup jointed at spacing groove (21) inner wall, the fixed cover of temperature sensing insulating cover (23) inner wall has cup jointed conductor (24).

2. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: the isolation sleeve (11) is of a Y-shaped structure.

3. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: one side of the periphery of the aluminum-plastic composite sleeve (2) is fixedly connected with the inner wall of the protective sleeve (1), and the other side of the periphery of the aluminum-plastic composite sleeve (2) is fixedly connected with the isolation sleeve (11).

4. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: the induction lantern ring (22) is of a circular ring structure, and the radius of the external circle of the induction lantern ring (22) is the same as that of the internal circle of the limiting groove (21).

5. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: the heat-sensitive insulating sleeve (23) is of a hollow cylindrical structure, and the radius of an inscribed circle of the heat-sensitive insulating sleeve (23) is the same as that of an circumscribed circle of the conductor (24).

6. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: the protecting sleeve (1) is of a hollow cylindrical structure.

7. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: the periphery of the protective sleeve (1) is fixedly sleeved with an anti-skidding sleeve (13).

8. The recoverable temperature-sensing cable for multi-channel and multi-stage fire alarm according to claim 1, wherein: the inner wall of the protective sleeve (1) corresponds to the isolation sleeve (11) and is fixedly connected with a reinforcing sleeve (14), and the reinforcing sleeve (14) is fixedly connected with the isolation sleeve (11).