CN220982488U

CN220982488U - Electrical fire monitoring detector probe

Info

Publication number: CN220982488U
Application number: CN202322461694.6U
Authority: CN
Inventors: 熊小伏; 高庆; 杨超; 杨明友
Original assignee: Chongqing Fengji Intelligent Technology Research Institute Co ltd
Current assignee: Chongqing Fengji Intelligent Technology Research Institute Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-17
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses an electric fire monitoring detector probe which comprises a main body, wherein the top of the main body is provided with a plurality of temperature sensing pieces, each temperature sensing piece is connected with a temperature measuring probe, and the temperature measuring probe penetrates into the main body and is connected with a temperature detection module; a mounting arm is fixed above the temperature sensing piece and is buckled and fixed on the main body; two first binding posts and two second binding posts are also arranged on the main body. The utility model adopts a buckle type mounting mode, and the mounting is simple and quick; different temperature acquisition probes can be directly connected in series, only one of the temperature acquisition probes is required to be connected to the acquisition unit, and the wiring is simple and convenient to construct. The probes of the utility model can be connected by the flat cable through the first wiring terminal or by the flat needle through the second wiring terminal, thus being convenient for realizing the collaborative monitoring work among different temperature acquisition probes.

Description

Electrical fire monitoring detector probe

Technical Field

The utility model relates to the field of detection of distribution cable, in particular to an electric fire monitoring detector probe.

Background

Fire accidents caused by faults in power distribution systems are high annually, and most of the fire accidents are electric fires caused by overhigh temperature of power distribution cable caused by short circuits, overload, poor contact and the like.

The existing temperature-measuring type electric fire monitoring detector is directly used for monitoring potential hazards of abnormal temperatures of distribution lines, monitoring and early warning are carried out on abnormal temperature rise caused by overload of the distribution lines, looseness of joints, overlarge contact resistance and the like, and a large solution is provided for preventing electric fires. The temperature acquisition probes of the existing temperature-measuring type electric fire monitoring detector are directly bound or glued on a cable, so that the temperature-measuring type electric fire monitoring detector is difficult to install and easy to fall off. And the signal lines between the detector and the probes are connected and routed more, so that the environment of the distribution box is more disordered, and the maintenance operation difficulty of the distribution line is greatly increased.

Therefore, in view of the foregoing problems, it is desirable to provide an electrical fire monitoring probe that is easy to install, does not fall off easily, and has fewer signal lines between the probe and the plurality of probes.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the probe of the electric fire monitoring detector, which is convenient to install, is not easy to fall off and has fewer signal wires between the detector and a plurality of probes.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the detachable temperature sensing device comprises a detachable main body, wherein a plurality of temperature sensing pieces are arranged at the top of the main body, each temperature sensing piece is connected with a temperature measuring probe, and the temperature measuring probes penetrate into the main body and are connected with a temperature detection module; a U-shaped mounting arm is fixed above the temperature sensing pieces and is buckled and fixed on the main body, and a clamping channel is formed between the mounting arm and the main body; the main body is also provided with two first wiring terminals and two second wiring terminals, and the first wiring terminals and the second wiring terminals are electrically connected with the temperature detection module.

Further, a silica gel pad is arranged in the clamping channel and is positioned at the U-shaped concave side of the mounting arm. The silica gel pad can provide the force of probe clamping wire, and the silica gel pad of different thickness can be selected for use to the wire of different specifications to adapt, and this probe installation is simple, and adaptation scope is better.

Further, the main part is including last casing and lower casing, and the inside of going up the casing is provided with a plurality of connection buckle, and the inner wall of lower casing is provided with and connects buckle joint complex lower connection arch with last connection buckle. The main part is divided into detachable last casing and lower casing for inside temperature detection module is convenient for install, and detachable, combinable design simultaneously can greatly reduced the manufacturing degree of difficulty of production main part, more is fit for the output manufacturing in batches.

Further, the both ends of installation arm all are provided with the joint hole, and the top of main part is provided with two limit side concave grooves, is provided with on the main part with joint hole complex joint arch. The installation arm and the main body can be fast clamped and installed through the clamping holes and the protruding matching of the clamping, and the installation arm and the main body can be tightly clamped outside the lead through matching.

Further, the upper shell is provided with a temperature measuring probe mounting hole and an induction piece mounting groove, the temperature measuring probe mounting hole is a round hole, and the induction piece mounting groove is a rectangular groove. The temperature probe mounting hole is used for installing the temperature probe, and the sensing piece mounting groove is used for fixing the temperature sensing piece, and the temperature probe passes through the heat conduction glue to be fixed on the temperature sensing piece, can be convenient fix temperature probe and temperature sensing piece in the main part.

Further, the top limit side of main part is provided with installation arm complex limit board, and the top of main part is provided with two middle part backup pads. The side limiting plate can play a role in guiding the installation arm, so that the clamping hole on the installation arm is conveniently clamped on the clamping protrusion; the middle parts of the mounting arms can be limited by the two middle support plates in a deformation way, so that the mounting arms are not easy to deform and loose after being mounted on the main body.

Further, the first binding post is XH2.54 binding post, and the second binding post is 2pin row female binding post, and temperature probe is PT100 temperature probe.

The beneficial effects of the utility model are as follows:

The probe is mainly used for solving the problem of complex installation of the temperature acquisition probe of the temperature measurement type electric fire monitoring detector, has simple wiring, small size, simple and quick wiring installation and strong expandability, and is directly fixed on an electric wire cable by adopting a buckle.

The utility model adopts a buckle type mounting mode, and the mounting is simple and quick; different temperature acquisition probes can be directly connected in series, only one of the temperature acquisition probes is required to be connected to the acquisition unit, and the wiring is simple and convenient to construct.

The probes of the utility model can be connected by the flat cable through the first wiring terminal or by the flat needle through the second wiring terminal, thus being convenient for realizing the collaborative monitoring work among different temperature acquisition probes. When the probes are in a row of neat and tight installation, the second wiring terminals can be connected by the pin header, so that no wire is routed; when the probes are not tightly arranged together, the probes can be connected by a flat cable through the first wiring terminal, and a small amount of wire routing can occur; therefore, the wiring for installing the probe is simplified, and the probe is more attractive while being convenient to install.

The silica gel pad provides a force for tightening the wires, and the wires with different specifications can be matched by selecting the silica gel pads with different thicknesses, so that the probe is simple to install and has a better adaptation range.

Drawings

FIG. 1 is a schematic diagram of the outline structure of the present utility model;

FIG. 2 is a schematic diagram of the external structure of the present utility model;

FIG. 3 is a schematic view of the upper housing with the first housing removed;

FIG. 4 is a schematic diagram showing a structure of the upper housing removed according to the present utility model;

FIG. 5 is a schematic diagram of the structure of the upper housing;

FIG. 6 is a second schematic structural view of the upper housing;

FIG. 7 is a schematic view of the structure of the lower housing;

Wherein the symbols of the components are as follows:

1. A main body; 11. an upper housing; 111. side grooves; 112. side limiting plates; 113. a middle support plate; 114. an induction piece mounting groove; 115. a temperature probe mounting hole; 116. an upper connecting buckle;

12. A lower housing; 121. a module limiting protrusion; 122. a lower connection protrusion;

2. A mounting arm; 3. a first connection terminal; 4. a second connection terminal; 5. a temperature sensing sheet; 6. a clamping hole; 7. a silica gel pad; 8. the clamping bulge; 9. a wire; 10. and a temperature detection module.

Detailed Description

The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1, 2, 3 and 4, the probe of the electric fire monitoring detector comprises a detachable main body 1, wherein a plurality of temperature sensing pieces 5, preferably two temperature sensing pieces 5, are arranged at the top of the main body 1, each temperature sensing piece 5 is connected with a temperature measuring probe, and the temperature measuring probe penetrates into the main body 1 and is connected with a temperature detecting module 10; a U-shaped mounting arm 2 is fixed above the temperature sensing pieces 5, the mounting arm 2 is buckled and fixed on the main body 1, and a clamping channel is formed between the mounting arm 2 and the main body 1; two first binding posts 3 and two second binding posts 4 are also arranged on the main body 1, and the first binding posts 3 and the second binding posts 4 are electrically connected with the temperature detection module 10. The two first connecting terminals 3 are located at the same height position, and the two first connecting terminals 3 are located at the same height position. The first wiring terminal is preferably an XH2.54 wiring terminal, the second wiring terminal is preferably a 2pin busbar wiring terminal, and the temperature measuring probe is preferably a PT100 temperature measuring probe.

A silica gel pad 7 is arranged in the clamping channel, and the silica gel pad 7 is positioned at the U-shaped concave side of the mounting arm 2. The silica gel pad 7 can provide the force that the probe pressed from both sides tight wire 9, and the wire 9 of different specifications can select the silica gel pad 7 of different thickness to adapt, and this probe installation is simple, and adaptation scope is better.

The both ends of installation arm 2 all are provided with joint hole 6, and the top of main part 1 is provided with two limit side recess 111, is provided with on the main part 1 with joint hole 6 complex joint protruding 8, the vertical transversal right trapezoid shape of taking of joint protruding 8. The installation arm 2 and the main body 1 can be fast clamped and installed through the matching of the clamping hole 6 and the clamping protrusion 8, and the installation arm 2 and the main body 1 can be tightly clamped outside a lead through matching.

As shown in fig. 5, 6 and 7, the main body 1 includes an upper housing 11 and a lower housing 12, a plurality of upper connection buckles 116 are disposed in the upper housing 11, and a lower connection protrusion 122 engaged with the upper connection buckles 116 is disposed on an inner wall of the lower housing 12. The main body 1 is divided into the detachable upper shell 11 and the detachable lower shell 12, so that the internal temperature detection module 10 is convenient to install, and meanwhile, the detachable and combinable design can greatly reduce the manufacturing difficulty of the production main body, and is more suitable for mass output manufacturing.

The upper case 11 is further provided with a temperature probe mounting hole 115 for mounting a temperature probe and a sensing piece mounting groove 114 for mounting the temperature sensing piece 5. The temperature probe mounting hole 115 is used for mounting the temperature probe, the sensing piece mounting groove 114 is used for fixing the temperature sensing piece 5, and the temperature probe is fixed on the temperature sensing piece 5 through heat conduction glue, so that the temperature probe and the temperature sensing piece 5 can be conveniently fixed on the main body 1.

The side limiting plate 112 matched with the mounting arm 2 is arranged on the side of the top of the main body 1, and two middle supporting plates 113 are arranged on the top of the main body 1; the side limiting plate 112 can play a role in guiding the installation arm 2, so that the clamping hole 6 on the installation arm 2 is conveniently clamped on the clamping protrusion 8; the two middle support plates 113 can limit the deformation of the middle part of the mounting arm 2, so that the mounting arm 2 is not easy to deform and loosen after being mounted on the main body 1. A plurality of module limiting protrusions 121 for installing the temperature detection module 10 are further arranged on the inner side of the bottom of the lower shell 12, so that the temperature detection module 10 can be conveniently installed and fixed in the main body 1.

The installation process and the principle thereof: during installation, the top of the main body 1 is placed below the lead 9, the lead 9 is placed above the temperature sensing piece 5, then the clamping hole 6 of the installation arm 2 is clamped on the clamping protrusion 8 of the main body 1, the lead 9 and the temperature sensing piece 5 are tightly attached together, the inside of the temperature sensing piece 5 is tightly combined with the temperature measuring probe through heat conducting glue, and the temperature detecting module inside the temperature measuring probe is connected, so that the temperature sensing piece 5 can accurately detect the temperature, and the temperature monitoring of the lead 9 is realized.

Claims

1. The electric fire monitoring detector probe is characterized by comprising a detachable main body (1), wherein a plurality of temperature sensing pieces (5) are arranged at the top of the main body (1), each temperature sensing piece (5) is connected with a temperature measuring probe, and the temperature measuring probe penetrates into the main body (1) and is connected with a temperature detection module (10);

a U-shaped mounting arm (2) is fixed above the plurality of temperature sensing pieces (5), the mounting arm (2) is buckled and fixed on the main body (1), and a clamping channel is formed between the mounting arm (2) and the main body (1);

the main body (1) is further provided with two first wiring terminals (3) and two second wiring terminals (4), and the first wiring terminals (3) and the second wiring terminals (4) are electrically connected with the temperature detection module (10).

2. An electrical fire monitoring detector probe according to claim 1, characterized in that a silica gel pad (7) is arranged in the clamping channel, and the silica gel pad (7) is positioned at the U-shaped concave side of the mounting arm (2).

3. The electrical fire monitoring detector probe according to claim 1, wherein the main body (1) comprises an upper shell (11) and a lower shell (12), a plurality of upper connecting buckles (116) are arranged in the upper shell (11), and lower connecting protrusions (122) which are matched with the upper connecting buckles (116) in a clamping mode are arranged on the inner wall of the lower shell (12).

4. An electrical fire monitoring detector probe according to claim 3, wherein the upper housing (11) is provided with a temperature measuring probe mounting hole (115) and an induction piece mounting groove (114), the temperature measuring probe mounting hole (115) is a circular hole, and the induction piece mounting groove (114) is a rectangular groove.

5. The electrical fire monitoring detector probe according to claim 1, wherein the two ends of the mounting arm (2) are provided with clamping holes (6), the top of the main body (1) is provided with two side grooves (111), and the main body (1) is provided with clamping protrusions (8) matched with the clamping holes (6).

6. An electrical fire monitoring probe according to claim 5, characterized in that the vertical cross section of the clamping projection (8) is in the shape of a right-angle trapezoid.

7. An electrical fire monitoring detector probe according to claim 1, characterized in that the top side of the main body (1) is provided with a side limiting plate (112) cooperating with the mounting arm (2), the top of the main body (1) being provided with two middle support plates (113).

8. The electrical fire monitoring probe of claim 1, wherein the first connection terminal is an XH2.54 connection terminal, the second connection terminal is a 2pin busbar connection terminal, and the temperature measurement probe is a PT100 temperature measurement probe.