Temperature sensor

Abstract

A temperature sensor belongs to the technical field of sensor preparation structures and comprises a detection assembly and a connector, the detection assembly comprises a probe part and a detection body part, the probe part is provided with a detection shell, the detection body part is provided with a detection body shell, and the detection shell and the detection body shell are integrally formed. In order to solve the problems of looseness, leakage and the like caused by the fact that an existing probe shell is connected through a connecting structure, the utility model provides the temperature sensor in which a shell of a probe part and a shell of a detection body part are integrally formed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of sensor preparation structure, and particularly relates to a temperature sensor. BACKGROUND

[0002] In existing engine equipment, the temperature of fuel, lubricating oil and the like in the engine needs to be monitored in real time, and it is indispensable for engines with relatively high performance requirements. A relatively efficient current solution is to produce monitoring equipment by fully utilizing the reliability, rapid response performance and high pressure resistance of temperature sensing elements.

[0003] However, the current temperature sensor is detachable, and the probe will loosen and leak after a long time. In the temperature sensor with the publication number CN221445314U, the detection assembly includes a probe and a double-redundancy detection piece arranged inside the probe, the outer surface of the probe is provided with a plurality of uniformly distributed grooves, and the connecting structure arranged on the lower surface of the mounting plate is connected with the detection assembly. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at the problem that the existing probe shell is linked by a connecting structure, which leads to loosening and leakage, and provides a temperature sensor with an integrated shell of a probe part and a detection body part.

[0005] In order to achieve the above technical purpose, the following technical scheme is provided. A temperature sensor includes a detection assembly and a connector. The detection assembly includes a probe part and a detection body part. The probe part has a detection shell, and the detection body part has a detection body shell. The detection shell and the detection body shell are integrally formed.

[0006] In an implementable manner, the probe part further includes a detection piece, the detection piece is wrapped with an end epoxy resin layer, the end epoxy resin layer is covered with a heat dissipation paste layer, and the heat dissipation paste layer fills the gap between the detection shell and the end epoxy resin layer.

[0007] In an implementable manner, the detection body part further includes a connecting wire located on the detection piece. The connecting wire is wrapped with a tail epoxy resin layer. The end epoxy resin layer and the tail epoxy resin layer are integrally formed. A detection body cavity exists between the tail epoxy resin layer and the detection body shell.

[0008] In an implementable manner, the connector includes a joint located at the end, a buckle part arranged behind the joint, a plug-in buckle arranged behind the buckle part, and a wire pin penetrating through the joint, the buckle part and the plug-in buckle. The wire pin is connected with the connecting wire in the tail epoxy resin layer, and the joint is embedded in the tail epoxy resin layer.

[0009] In an implementable manner, the detection body cavity comprises a transition cavity at the front end and a containing cavity at the rear part, the cross-sectional area of the transition cavity is smaller than that of the containing cavity, the transition cavity extends into the probe part in a funnel shape; the transition cavity and the containing cavity have a joint part, and the joint part supports the epoxy resin layer at the rear part.

[0010] In an implementable manner, the rear part of the detection body cavity has a clamping cavity, the clamping cavity wraps the buckle part, and an inner O-ring is arranged on the inner surface of the clamping cavity and the outer surface of the buckle part.

[0011] In an implementable manner, an outer O-ring is arranged on the detection body shell.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The probe part and the detection body part are integrally connected, the structural strength and the sealing property of the probe part are increased. In order to maintain the sensitivity of the internal detection element, the probe part is filled with a heat dissipation paste layer. Moreover, an epoxy resin layer is arranged outside the detection element, so that the detection element has sufficient structural strength as a whole, and the detection element can be conveniently inserted into the probe part. BRIEF DESCRIPTION OF DRAWINGS

[0014] 1 detection assembly, 2 connector, 3 probe part, 4 detection body part, 5 detection body cavity,

[0015] 21 joint, 22 buckle part, 23 connector buckle, 24 wiring leg,

[0016] 31 detection shell, 32 detection element, 33 end epoxy resin layer, 34 heat dissipation paste layer,

[0017] 41 detection body shell, 42 connecting wire, 43 epoxy resin layer at the rear part,

[0018] 51 transition cavity, 52 containing cavity, 53 clamping cavity,

[0019] Figure 1 It is a structural schematic view of the embodiment;

[0020] Figure 2 It is a front view of the connector of the embodiment;

[0021] Figure 3 It is Figure 2 a sectional view at A-A in the embodiment. DETAILED DESCRIPTION

[0022] As Figure 1 , Figure 2 and Figure 3In the embodiment shown, a temperature sensor comprises a detection assembly 1 and a connector 2, the detection assembly 1 comprises a probe part 3 and a detection body part 4, the probe part 3 has a detection shell 31, the detection body part 4 has a detection body shell 41, the detection shell 31 and the detection body shell 41 are integrally formed. In this embodiment, an outer O-ring is sleeved on the detection body shell 41.

[0023] In this embodiment, the probe part 3 further comprises a detection piece 32, the detection piece 32 is wrapped with an end epoxy layer 33, the end epoxy layer 33 is covered with a heat dissipation paste layer 34, and the heat dissipation paste layer 34 fills the gap between the detection shell and the end epoxy layer 33.

[0024] In this embodiment, the detection body part 4 further comprises a connecting wire 42 located on the detection piece 32, the connecting wire 42 is wrapped with a tail epoxy layer 43, and the end epoxy layer 33 and the tail epoxy layer 43 are integrally formed; the preferred structure is that the epoxy layers are wrapped on the detection piece 32 and the connecting wire 42.

[0025] In this embodiment, the connector 2 comprises a joint 21 at the end, a buckle part 22 arranged behind the joint 21, a connector buckle 23 arranged behind the buckle part 22, and a terminal pin 24 penetrating through the joint 21, the buckle part 22 and the connector buckle 23; the terminal pin 24 is connected with the connecting wire 42 in the tail epoxy layer 43, and the joint 21 is embedded in the tail epoxy layer 43.

[0026] In this embodiment, there is a detection body cavity 5 between the tail epoxy layer 43 and the detection body shell 41. The detection body cavity 5 comprises a transition cavity 51 at the front end and a containing cavity 52 at the rear end, the cross-sectional area of the transition cavity 51 is smaller than that of the containing cavity 52, and the transition cavity 51 extends into the probe part 3 in a funnel shape; the transition cavity 51 and the containing cavity 52 have a connecting part, and the connecting part supports the tail epoxy layer 43. Moreover, the tail of the detection body cavity 5 has a clamping cavity 53, the clamping cavity 53 wraps the buckle part 22, and an inner O-ring is arranged on the inner surface of the clamping cavity 53 and the outer surface of the buckle part 22.

[0027] In this embodiment, first, an epoxy layer is wrapped on the detection piece 32 and the connecting wire 42 in the first step, and then the tail end of the tail epoxy layer 43 of the epoxy layer is fixed with the joint of the connector 2 by interference connection in the second step. At the same time with the first step, the heat dissipation paste layer 34 is arranged in the probe part 3, and the detection shell 31 and the detection body shell 41 of the detection assembly 1 are integrally formed before the first step. After the filling of the heat dissipation paste layer 34, an inner O-ring is sleeved in the clamping cavity 53 in the detection body shell 41. Finally, the whole shell is connected with the connector 2 by spin riveting, and then an outer O-ring is sleeved on the detection body shell 41 for testing.

[0028] Although the embodiments of the present application have been shown and described above, it should be understood by those skilled in the art that the above embodiments are exemplary and cannot be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

[0029] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the technical solutions of the present patent and simplifying the description, and therefore cannot be construed as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present patent application.

[0030] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present patent application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0031] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0034] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A temperature sensor comprising a detection assembly (1) and a connector (2), characterized in that the detection assembly (1) comprising a probe part (3) having a detection shell (31) and a detection body part (4) having a detection body shell (41), the detection shell (31) and the detection body shell (41) being integrally formed.

2. The temperature sensor of claim 1, wherein, the probe part (3) further comprising a detection piece (32) having an end epoxy layer (33) wrapped thereon, the end epoxy layer (33) having a heat dissipation paste layer (34) covered thereon, the heat dissipation paste layer (34) filling a gap between the detection shell and the end epoxy layer (33).

3. The temperature sensor of claim 2, wherein, the detection body part (4) further comprising a connecting wire (42) on the detection piece (32), the connecting wire (42) having a tail epoxy layer (43) wrapped thereon, the end epoxy layer (33) and the tail epoxy layer (43) being integrally formed; a detection body cavity (5) being present between the tail epoxy layer (43) and the detection body shell (41).

4. The temperature sensor of claim 3, wherein, the connector (2) comprising a joint (21) at an end, a buckle part (22) disposed behind the joint (21), a connector buckle (23) disposed behind the buckle part (22), and a terminal pin (24) penetrating through the joint (21), the buckle part (22) and the connector buckle (23); the terminal pin (24) being connected with the connecting wire (42) in the tail epoxy layer (43), and the joint (21) being embedded in the tail epoxy layer (43).

5. The temperature sensor according to claim 3 or 4, characterized in that the detection body cavity (5) comprising a transition cavity (51) at a front end and a containing cavity (52) at a rear part, the transition cavity (51) having a cross-sectional area smaller than that of the containing cavity (52), the transition cavity (51) extending into the probe part (3) in a funnel shape; the transition cavity (51) and the containing cavity (52) having a joint part therebetween, the joint part supporting the tail epoxy layer (43).

6. The temperature sensor of claim 4, wherein, a tail part of the detection body cavity (5) having a clamping cavity (53) wrapping the buckle part (22), and an inner O-ring being disposed on an inner surface of the clamping cavity (53) and an outer surface of the buckle part (22).

7. The temperature sensor of claim 1, wherein, an outer O-ring being disposed on the detection body shell (41).

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