Three-phase acceleration sensor

Abstract

The utility model relates to the technical field of sensors, and discloses a three-phase acceleration sensor. Comprising a bottom plate, a sensing element, a connecting interface and a connecting wire, the sensing element is fixedly connected to the upper surface of the bottom plate, the sensing element is sleeved with a protective shell, the protective shell is fixedly connected to the upper surface of the bottom plate, and the connecting interface is fixedly connected to the side wall of the protective shell. The connecting wire is electrically connected with the sensing element and penetrates through the connecting interface, a protective frame is arranged in a gap between the sensing element and the protective shell, and a plurality of cooling fins are fixedly connected to the side wall of the protective frame. The protective shell provided by the utility model can protect the internal sensing element, the protective frame can further improve the protective effect, when the sensing element is used for a long time to generate heat, the heat can be conducted into the protective frame, the protective frame conducts the heat to the outer side of the protective shell through the heat dissipation fins, and the heat dissipation effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field especially relates to three acceleration sensor. BACKGROUND

[0002] Sensor is a kind of detection device, can perceive the information of measured quantity, and the information detected is converted into electric signal or other required form signal output, to meet the transmission, processing, storage, display, recording and control etc. requirements of information, sensor is widely used in various automation control systems, three-axis acceleration sensor is a kind of sensor that can measure the acceleration of object in three directions, usually x, y, z axis, plays an important role in multiple fields.

[0003] In prior art, in the use process of three-phase acceleration sensor, internal electronic components are tightly wrapped to ensure protection effect, resulting in heat accumulation in the interior after long time use, which affects subsequent use, and there is lack of protection treatment for connecting wire body, and after long time use, the use of sensor will be affected if connecting wire body is damaged. Therefore, the utility model designs three acceleration sensor. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems of prior art in the use process of three-phase acceleration sensor, internal electronic components are tightly wrapped to ensure protection effect, resulting in heat accumulation in the interior after long time use, which affects subsequent use, and there is lack of protection treatment for connecting wire body, and after long time use, the use of sensor will be affected if connecting wire body is damaged, and three acceleration sensor is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Three acceleration sensors, including bottom plate, sensing element, connection interface and connecting wire, the sensing element is fixedly connected on the upper surface of bottom plate, the outer side of sensing element is equipped with protective shell, the protective shell is fixedly connected on the upper surface of bottom plate, the connection interface is fixedly connected on the side wall of protective shell, the connecting wire is electrically connected with sensing element and is arranged through connection interface, the gap between sensing element and protective shell is equipped with protective frame, the side wall of protective frame is fixedly connected with a plurality of heat dissipation fins, a plurality of heat dissipation fins extend to the outer side of protective shell respectively, the side wall of connection interface is fixedly connected with connecting sleeve.

[0007] Preferably, the side wall of bottom plate is equipped with connecting plate, the inner wall of connecting plate is equipped with threaded mounting hole.

[0008] Preferably, the inner wall of the protective shell is fixedly connected with a plurality of elastic buffering metal strips, and the elastic buffering metal strips are tightly arranged on the side wall of the protective frame.

[0009] Preferably, the bottom of the protective frame is fixedly provided with a plurality of anti-deformation frames, the inner wall of the bottom plate located on the inner side of the protective shell is fixedly connected with a positioning clamping block, and the anti-deformation frame is fixedly sleeved on the side wall of the positioning clamping block.

[0010] Preferably, the end portion of the connecting sleeve is provided with a conical protective sleeve, the inner wall of the conical protective sleeve is fixedly provided with an anti-bending support ring, the inner wall of the anti-bending support ring is tightly arranged on the side wall of the connecting wire, the inner wall of the conical protective sleeve is provided with a sealing rubber sleeve, and the inner wall of the sealing rubber sleeve is tightly arranged on the side wall of the connecting wire.

[0011] Preferably, the end portion of the connecting sleeve is provided with an annular insertion slot, the end portion of the conical protective sleeve is fixedly connected with an insertion ring, the insertion ring is insertedly arranged on the inner wall of the annular insertion slot, the storage of the insertion ring is fixedly connected with an anti-pulling ring, and the side wall of the anti-pulling ring is tightly arranged on the inner wall of the annular insertion slot.

[0012] Compared with the prior art, the utility model provides three acceleration sensors, which have the following beneficial effects:

[0013] 1、 the three acceleration sensors, through the protective shell can carry out the protection treatment to the inside inductive element, the protective frame can further improve the protection effect, when the inductive element uses for a long time to produce the heat will conduct the heat to the inside of the protective frame, the protective frame will heat through the heat dissipation fin conduction to the outside of the protective shell, can improve the heat dissipation effect.

[0014] 2、 the three acceleration sensors, through the elastic buffering metal strip can improve the buffering protection, prevent the protective shell from happening deformation, and the anti-deformation frame and the positioning clamping block improve the structural strength of the protective frame, prevent from happening the row change.

[0015] 3、 the three acceleration sensors, through the conical protective sleeve through the inside anti-bending support ring tightly arranged on the side wall of the connecting wire, can improve the support effect of the connecting wire, prevent its excessive bending from being damaged, and the insertion ring and the anti-pulling ring can improve the stability of the conical protective sleeve connected at the end portion of the connecting sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the three acceleration sensors provided by the utility model;

[0017] Figure 2 It is Figure 1 It is the structural enlarged schematic view of the local part A part;

[0018] Figure 3 It isFigure 1 The structure of the middle part B is enlarged and shown schematically.

[0019] In the figure: 1 base, 2 sensing element, 3 connecting interface, 4 connecting wire, 5 connecting plate, 6 protective shell, 7 protective frame, 8 heat dissipation fin, 9 elastic buffering metal strip, 10 anti-deformation frame, 11 positioning clamping block, 12 connecting sleeve, 13 conical protective sleeve, 14 anti-bending support ring, 15 sealing rubber sleeve, 16 insertion ring, 17 anti-pulling ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Embodiment one

[0022] With reference to Figures 1-3 , the three-item acceleration sensor comprises a base plate 1, a sensing element 2, a connecting interface 3 and a connecting wire 4, the sensing element 2 is fixedly connected to the upper surface of the base plate 1, the sensing element 2 is sleeved with a protective shell 6 on the outer side, the protective shell 6 is fixedly connected to the upper surface of the base plate 1, the connecting interface 3 is fixedly connected to the side wall of the protective shell 6, the connecting wire 4 is electrically connected with the sensing element 2 and is arranged through the connecting interface 3, a protective frame 7 is arranged at the gap between the sensing element 2 and the protective shell 6, a plurality of heat dissipation fins 8 are fixedly connected to the side wall of the protective frame 7, the plurality of heat dissipation fins 8 extend to the outer side of the protective shell 6 respectively, and a connecting sleeve 12 is fixedly connected to the side wall of the connecting interface 3.

[0023] A connecting plate 5 is arranged on the side wall of the base plate 1, a threaded mounting hole is formed in the inner wall of the connecting plate 5, a plurality of elastic buffering metal strips 9 are fixedly connected to the inner wall of the protective shell 6, and the elastic buffering metal strips 9 are arranged in compression on the side wall of the protective frame 7.

[0024] A plurality of anti-deformation frames 10 are fixedly arranged at the bottom of the protective frame 7, a positioning clamping block 11 is fixedly connected to the inner wall of the base plate 1 on the inner side of the protective shell 6, and the anti-deformation frames 10 are fixedly sleeved on the side wall of the positioning clamping block 11.

[0025] In use, the connecting wire 4 is electrically connected with the sensing element 2 through the connecting interface 3, the stable use of the sensor is ensured, the bottom plate 1 can stably protect the sensing element 2, the connecting plate 5 can stably install the bottom plate 1, the protective shell 6 can protect the sensing element 2 inside, the protective frame 7 can further improve the protection effect, when the sensing element 2 generates heat for a long time, the heat is conducted to the inside of the protective frame 7, the protective frame 7 conducts the heat to the outside of the protective shell 6 through the heat dissipation fins 8, the heat dissipation effect can be improved, and the elastic buffer metal strip 9 can improve the buffering protection, prevent the protective shell 6 from deforming, and the anti-deformation frame 10 and the positioning clamping block 11 improve the structural strength of the protective frame 7 and prevent deformation.

[0026] Embodiment two

[0027] With reference to Figures 1-3 The end of the connecting sleeve 12 is provided with a conical protective sleeve 13, the inner wall of the conical protective sleeve 13 is fixedly provided with a bending-resistant support ring 14, the inner wall of the bending-resistant support ring 14 is tightly arranged on the side wall of the connecting wire 4, the inner wall of the conical protective sleeve 13 is provided with a sealing rubber sleeve 15, the inner wall of the sealing rubber sleeve 15 is tightly arranged on the side wall of the connecting wire 4, the end of the connecting sleeve 12 is provided with an annular insertion slot, the end of the conical protective sleeve 13 is fixedly connected with an insertion ring 16, the insertion ring 16 is insertedly arranged on the inner wall of the annular insertion slot, the insertion ring 16 is fixedly connected with a pull-resistant ring 17 on the reserve, and the side wall of the pull-resistant ring 17 is tightly arranged on the inner wall of the annular insertion slot.

[0028] The conical protective sleeve 13 is tightly arranged on the side wall of the connecting wire 4 through the bending-resistant support ring 14 inside, the supporting effect of the connecting wire 4 can be improved, and the connecting wire 4 is prevented from being excessively bent and damaged, and the insertion ring 16 and the pull-resistant ring 17 can improve the stability of the conical protective sleeve 13 connected at the end of the connecting sleeve 12.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Three-axis acceleration sensor comprising a base plate (1), a sensing element (2), a connection interface (3) and a connection cable (4), characterized in that: The inductive element (2) is fixedly connected to the upper surface of the bottom plate (1), the outer side of the inductive element (2) is sleeved with a protective shell (6), the protective shell (6) is fixedly connected to the upper surface of the bottom plate (1), the connecting interface (3) is fixedly connected to the side wall of the protective shell (6), the connecting wire (4) is electrically connected with the inductive element (2) and penetrates through the connecting interface (3), the gap between the inductive element (2) and the protective shell (6) is provided with a protective frame (7), a plurality of heat dissipation fins (8) are fixedly connected to the side wall of the protective frame (7), and the plurality of heat dissipation fins (8) extend to the outer side of the protective shell (6) respectively, and the connecting sleeve (12) is fixedly connected to the side wall of the connecting interface (3).

2. The three-axis acceleration sensor according to claim 1, characterized in that: The side wall of the bottom plate (1) is provided with a connecting plate (5), and the inner wall of the connecting plate (5) is provided with a threaded mounting hole.

3. The three-axis acceleration sensor according to claim 1, characterized in that: The inner wall of the protective shell (6) is fixedly connected with a plurality of elastic buffer metal strips (9), and the elastic buffer metal strips (9) are tightly arranged on the side wall of the protective frame (7).

4. The three-axis acceleration sensor according to claim 1, characterized by: The bottom of the protective frame (7) is fixedly provided with a plurality of anti-deformation frames (10), the inner wall of the bottom plate (1) located on the inner side of the protective shell (6) is fixedly connected with a positioning clamping block (11), and the anti-deformation frame (10) is fixedly sleeved on the side wall of the positioning clamping block (11).

5. The three-axis acceleration sensor according to claim 1, characterized in that: The end of the connecting sleeve (12) is provided with a conical protective sleeve (13), the inner wall of the conical protective sleeve (13) is fixedly provided with an anti-bending support ring (14), the inner wall of the anti-bending support ring (14) is tightly arranged on the side wall of the connecting wire (4), the inner wall of the conical protective sleeve (13) is provided with a sealing rubber sleeve (15), and the inner wall of the sealing rubber sleeve (15) is tightly arranged on the side wall of the connecting wire (4).

6. The three-axis acceleration sensor according to claim 5, characterized in that: The end of the connecting sleeve (12) is provided with an annular insertion slot, the end of the conical protective sleeve (13) is fixedly connected with an insertion ring (16), the insertion ring (16) is insertedly arranged on the inner wall of the annular insertion slot, the anti-pulling ring (17) is fixedly connected to the upper storage of the insertion ring (16), and the side wall of the anti-pulling ring (17) is tightly arranged on the inner wall of the annular insertion slot.

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