CN219328533U

CN219328533U - Metal casing inner clamping type packaging temperature sensor

Info

Publication number: CN219328533U
Application number: CN202320755532.0U
Authority: CN
Inventors: 汪军华; 郑传永
Original assignee: Zhongshan Mingyuan Electric Appliance Technology Co ltd
Current assignee: Zhongshan Mingyuan Electric Appliance Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-11
Anticipated expiration: 2033-04-07

Abstract

The utility model belongs to the technical field of sensor equipment, and particularly relates to an inner clamping type packaging temperature sensor with a metal shell. According to the utility model, the aluminum material is preferably an outer shell and a clamping piece, and the insulating cavity made of ceramic material is preferably adopted, and the thermistor is vertically arranged, so that the mechanical strength, the insulating strength, the reliability and the stability of the temperature sensor are improved, and the accurate temperature measurement is realized; the insulating cavity is internally fixed at the top of the shell wall through the extrusion and contraction of the shell and the clamping piece, so that the insulating safety and reliability of the thermistor are ensured, the assembly consistency is controlled, and the precise measurement effect is achieved. Simplifying the production process and manufacturing the product.

Description

Metal casing inner clamping type packaging temperature sensor

Technical Field

The utility model relates to the technical field of sensor equipment, in particular to a metal shell inner card type packaging temperature sensor.

Background

The intelligent bottom sensor is characterized in that a sleeve insulation mode is adopted, a metal shell and a metal outer card are used for fixing a thermal fuse body, an inner card is used for fixing a thermistor, a stamping mode is used for fastening the sensor, pressure breakdown is easy to cause, internal wiring is easy to short-circuit, a traditional sensor is hard to hard packaging structure, a thermistor glass body is crushed too tightly, temperature measurement is inaccurate due to too loose, consistency is quite high, the traditional sensor shell and the shell form a closed and empty and non-circulating structure, when continuous heat is generated, internal gas is not circulated, the sensor fuse body is abnormally fused, real safety reinforcement insulation cannot be realized, the national 3C safety regulation requirement can be met only by means of a grounding process, moreover, the manual manufacturing temperature sensing consistency effect is poor, and the production and assembly sensor is low in efficiency due to multiple and complex engineering.

The intelligent bottom sensor grounding wire of the traditional intelligent electric cooker is fixed with the top sensor grounding wire in a heat preservation cover and is connected with a metal middle ring grounding wire to be connected with a power supply grounding wire, and aiming at the scheme of an integrated circuit board of the traditional electric cooker switching power supply scheme, the real strong and weak separation cannot be realized, and the two ends of a component in an insulating mode of the traditional sleeve insulating mode are directly contacted with air in the working process of starting, shutdown and the like, so that a connecting terminal and a component lead are oxidized in a long-term wet working environment when the top sensor of the weak current part is insulated with a fuse body of the bottom sensing strong current part, a thermistor of the bottom sensor, only one layer of sleeve and other parts are metal conductors.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a metal shell inner card type packaging temperature sensor, which solves the existing problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a card formula encapsulation temperature sensor in metal casing, includes the shell body, the inside fastener that is provided with of shell body, the shell body both sides all are provided with the buckle cavity, the fastener below is provided with insulating cavity, insulating cavity inside is provided with thermistor, the thermistor below is provided with the pencil.

As a preferable technical scheme of the utility model, the clamping piece is arranged on the inner side of the outer shell body through the extrusion and shrinkage of the clamping cavity.

As a preferable technical scheme of the utility model, the insulating cavity penetrates through the clamping piece, and the insulating cavity is fixedly arranged below the inner wall of the outer shell through the clamping piece.

As a preferable technical scheme of the utility model, a thermistor and a wire harness are fixedly arranged in the insulating cavity, insulating glue is coated on the outer side of the thermistor, and the thermistor is connected with the insulating cavity through the insulating glue.

Compared with the prior art, the utility model provides the metal shell inner card type packaging temperature sensor, which has the following beneficial effects:

1. this card formula encapsulation temperature sensor in metal casing through setting up buckle cavity, fastener and shell body, and the fastener passes through buckle cavity extrusion, and shrink card is refuted and is set up in the shell body inboard, and thermistor is vertical to be placed, and the buckle cavity cooperatees with the fastener, and through extrusion, shrink card refutes to be connected, is fixed in on the shell body with the fastener with insulating cavity, and insulating cavity is inside to be provided with thermistor. When the sensor is assembled at a position which can be touched by a household appliance hand, the insulation cavity is utilized to strengthen insulation, the grounding connecting wire of the traditional sensor is omitted, and the production process is greatly simplified. The thermistor is vertically placed, and the insulating cavity is internally fixed at the top of the shell wall through the extrusion shrinkage of the shell and the clamping piece, so that the insulating safety and reliability of the thermistor are ensured, the assembly consistency is controlled, and the precise measurement effect is achieved. Simplifying the production process and manufacturing the product;

2. the metal shell inner clamping type packaging temperature sensor comprises an insulating cavity body, a clamping piece and a metal shell, wherein the insulating cavity body penetrates through the clamping piece and is fixedly arranged below the inner wall of the shell body; the thermistor and the wire harness are fixedly arranged in the insulating cavity, insulating glue is coated on the outer side of the thermistor, the thermistor is connected with the insulating cavity through the insulating glue, when the sensor is assembled at a position where a household appliance hand can touch, the insulating cavity is used for reinforcing insulation, a grounding connecting wire of a traditional sensor is omitted, the insulating cavity is provided with enough thickness, the thermistor is electrified to generate safe insulating thickness with the outer shell and the clamping piece conductor, the insulating cavity is higher than the outer shell, and the wire harness is forced not to touch the outer shell;

3. according to the metal shell inner clamping type packaging temperature sensor, the insulating cavity is internally fixed at the top of the shell wall through extrusion and shrinkage of the shell and the clamping piece, so that insulation safety and reliability of the thermistor are ensured, assembly consistency is controlled, and a precise measurement effect is achieved. Simplifying the production process and manufacturing cost

Drawings

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

In the figure: 1. an outer housing; 2. a clamping piece; 3. a clasp cavity; 4. an insulating cavity; 5. a thermistor; 6. insulating glue; 7. and a wire harness.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, in this embodiment: the utility model provides a card formula encapsulation temperature sensor in metal casing, includes shell body 1, and shell body 1 inside is provided with fastener 2, and shell body 1 both sides all are provided with buckle cavity 3, and fastener 2 below is provided with insulating cavity 4, and insulating cavity 4 inside is provided with thermistor 5, and thermistor 5 below is provided with pencil 7.

In the embodiment, the clamping piece 2 is extruded and contracted by the clamping cavity 3 and is clamped and connected to the inner side of the outer shell 1; thermistor 5 is vertical and places, and buckle cavity 3 cooperatees with fastener 2, and through extrusion, shrink card refute and connect, is fixed in shell body 1 with fastener 2 with insulating cavity 4 on, insulating cavity 4 inside is provided with thermistor 5. When the sensor is assembled at a position which can be touched by a household appliance hand, the insulation cavity 4 is utilized to strengthen insulation, the grounding connecting wire of the traditional sensor is omitted, and the production process is greatly simplified. This patent prefers the aluminum product to be shell body 1, fastener 2, and the insulating cavity 4 of preferential ceramic material, thermistor 5 adopts vertically to place, extrudees shrink insulating cavity 4 internal fixation at shell wall top through shell body 1 and fastener 2 to ensure insulating security and reliability of thermistor 5, controlled the assembly uniformity simultaneously, thereby reached the accurate measurement effect. Simplifying the production process and manufacturing the product; the insulating cavity 4 penetrates through the clamping piece 2, and the insulating cavity 4 is fixedly arranged below the inner wall of the outer shell 1 through the clamping piece 2; the inside fixed mounting of insulating cavity 4 has thermistor 5 and pencil 7, and thermistor 5 outside scribbles and is equipped with insulating glue 6, and thermistor 5 is connected through insulating glue 6 with insulating cavity 4, and the sensor assembly can touch the position in household electrical appliances staff, utilizes insulating cavity 4 to strengthen the insulation, has cancelled traditional sensor's ground connection line, sets up enough thickness at insulating cavity 4, makes thermistor 5 electric body and shell 1, fastener 2 electric conductor produce safe insulation thickness, insulating cavity 4 are higher than shell 1, forces pencil 7 can not touch shell 1.

The working principle and the using flow of the utility model are as follows: the operator is connected through the buckle cavity 3, through extrusion, shrink card, is fixed in on the shell body 1 with fastener 2 with insulating cavity 4, and insulating cavity 4 embeds thermistor 5 in through insulating glue 6. When the sensor is assembled at a position which can be touched by a household appliance hand, the insulation cavity 4 is utilized to strengthen insulation, the grounding connecting wire of the traditional sensor is omitted, and the production process is greatly simplified. According to the temperature sensor, the thermistor 5 is vertically placed, the insulating cavity 4 is internally fixed at the top of the shell wall through extrusion and shrinkage of the shell body 1 and the clamping piece 2, so that the insulating safety and reliability of the thermistor 5 are ensured, and meanwhile, the assembly consistency is controlled.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a metal casing inside callipers formula encapsulation temperature sensor which characterized in that: including shell body (1), shell body (1) inside is provided with fastener (2), shell body (1) both sides all are provided with buckle cavity (3), fastener (2) below is provided with insulating cavity (4), insulating cavity (4) inside is provided with thermistor (5), thermistor (5) below is provided with pencil (7).

2. The metal-case inside-card packaging temperature sensor of claim 1, wherein: the clamping piece (2) is arranged on the inner side of the outer shell (1) through the extrusion and shrinkage of the clamping cavity (3).

3. The metal-case inside-card packaging temperature sensor of claim 1, wherein: the thermistor (5) is vertically arranged.

4. The metal-case inside-card packaging temperature sensor of claim 1, wherein: the insulation cavity (4) penetrates through the clamping piece (2), and the insulation cavity (4) is fixedly installed below the inner wall of the outer shell (1) through the clamping piece (2).

5. The metal-case inside-card packaging temperature sensor of claim 1, wherein: the insulation cavity (4) is internally and fixedly provided with a thermistor (5) and a wire harness (7), insulation glue (6) is coated on the outer side of the thermistor (5), and the thermistor (5) is connected with the insulation cavity (4) through the insulation glue (6).