Cold-resistant vibration temperature composite sensor

Abstract

The utility model discloses a cold-resistant vibration temperature composite sensor which comprises an outer shell, the inner wall of the outer shell is fixedly connected with a protective shell, the inner wall of the protective shell is fixedly connected with an inner shell, the inner wall of the protective shell is fixedly connected with a limiting seat, the upper surface of the limiting seat is provided with a sliding groove, and the sliding groove is fixedly connected with the inner shell. The outer surface of the inner shell is fixedly connected with a protruding strip, the upper surface of the protective shell is fixedly connected with a top cover, after the cold-resistant vibration temperature composite sensor is applied, the bendable strip at the top of the protruding strip needs to be turned over by 90 degrees towards the outer shell, screws are screwed into the first fixing holes and the second fixing holes which coincide, the bendable strip and the protruding strip are fixed, and therefore the cold-resistant vibration temperature composite sensor is formed. When the internal elements of the sensor are overhauled, the outer shell is taken down from the fixed position, then the screws are taken away to fold the bent bendable strip back to the vertical state, then the top of the protruding strip is pulled to pull out the inner shell, the top cover is taken down, at the moment, the internal elements in the inner shell are exposed, and the elements can be overhauled and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sensor for rail transit, especially relates to a cold-resistant vibration temperature composite sensor. BACKGROUND

[0002] With the rapid development of city, rail transit has become an important part of city public traffic, due to the short running interval of rail transit, the frequent characteristics of vehicle starting, acceleration, deceleration and braking, so that the dynamic load range and frequency of rail vehicle in mechanical operation change greatly, therefore, in order to ensure the operation safety of rail vehicle, the state monitoring of vehicle becomes particularly important. At present, the state monitoring system of rail transit vehicle has important functions such as monitoring, fault troubleshooting, traction and braking, which determines the operation speed and safety quality of locomotive and vehicle, and the judgment of the state monitoring system to the fault mainly relies on the real-time monitoring of various sensors to the vehicle, and the monitoring signal is mainly temperature, vibration and impact signal.

[0003] The existing vibration temperature composite sensor needs to check, repair and replace the internal components during long-term use, and the internal operation of the vibration temperature composite sensor is difficult, the internal light is poor, which leads to the overall tedious and difficult maintenance work, so a vibration temperature composite sensor which is multi-cold-resistant and easy to take out the internal components for inspection, repair and replacement is needed. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a cold-resistant vibration temperature composite sensor, which can effectively solve the problems in the background art.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A cold-resistant vibration temperature composite sensor, comprising a shell, the inner wall of the shell is fixedly connected with a protective shell, the inner wall of the protective shell is fixedly connected with an inner shell, the inner wall of the protective shell is fixedly connected with a limiting seat, the upper surface of the limiting seat is provided with a sliding groove, the outer surface of the inner shell is fixedly connected with a convex strip, and the upper surface of the protective shell is fixedly connected with a top cover.

[0007] In order to achieve the effect of plugging the opening of the inner shell, as a cold-resistant vibration temperature composite sensor of the utility model, the upper surface of the top cover is provided with a through groove, and the lower surface of the top cover is fixedly connected with a convex cover.

[0008] In order to achieve the effect of conveniently bending the bendable strip to fix the top of the convex strip, as a cold-resistant vibration temperature composite sensor of the utility model, the top end of the convex strip is fixedly connected with a bendable strip, and the top end of the bendable strip is provided with a fixing hole one.

[0009] In order to reach the effect that the outer convex bottom extends out of the shell, as the cold-resistant vibration temperature composite sensor, the lower surface of the shell is provided with a bottom hole, and the upper surface of the shell is provided with a fixing hole two.

[0010] In order to reach the effect that the sensor and the detection surface are in contact, as the cold-resistant vibration temperature composite sensor, the lower surface of the protection shell is fixedly connected with an outer convex bottom, and the lower surface of the protection shell is fixedly connected with an inner convex bottom.

[0011] In order to reach the effect of connecting the circular ring frame, as the cold-resistant vibration temperature composite sensor, the bottom of the outer surface of the shell is provided with a coarse thread, and the bottom end of the shell is provided with a bottom thread.

[0012] In order to reach the effect of fixing the circular ring frame, as the cold-resistant vibration temperature composite sensor, the outer surface of the bottom thread is threadedly connected with a circular ring frame, and the outer surface of the circular ring frame is fixedly connected with a pin.

[0013] Compared with the prior art, the cold-resistant vibration temperature composite sensor has the following beneficial effects:

[0014] 1. The cold-resistant vibration temperature composite sensor, through the setting of the shell, the protection shell, the inner shell, the limiting seat, the sliding groove, the convex strip and the top cover, after the sensor is applied, the bendable strip on the convex strip top is to be folded by ninety degrees towards the shell, and the bendable strip and the convex strip are fixed by screwing into the coincident fixing hole one and the fixing hole two, when the internal elements of the sensor are overhauled, the shell is taken off from the fixed position, then the screw is taken out to fold the bent bendable strip back to the vertical state, then the inner shell is pulled out by pulling the top of the convex strip, and the top cover is taken off, at this time, the internal elements in the inner shell are exposed, and the elements can be overhauled and replaced, so that the internal elements of the sensor can be conveniently and quickly taken out for inspection, repair and replacement.

[0015] 2. The cold-resistant vibration temperature composite sensor, through the setting of the coarse thread, the bottom thread, the circular ring frame and the pin, the sensor has two installation modes when installed, one is to directly screw in the detection place through the coarse thread, but when the coarse thread is used, the circular ring frame cannot be fixed on the bottom thread, and the other is to fix the sensor in the detection place by using the circular ring frame screwed on the bottom thread, and the pin and the coincident hole in the detection place are inserted into the bolt for fixation, the two modes can be used according to the demand, which is not only convenient for installation, but also convenient for subsequent overhaul and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the cold-resistant vibration temperature composite sensor of the utility model embodiment 1;

[0017] Figure 2The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0018] Figure 3 The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0019] Figure 4 The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0020] Figure 5 The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0021] Figure 6 The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0022] Figure 7 The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0023] In the figure: 1, shell;2, protective shell;3, inner shell;4, limiting seat;5, sliding groove;6, convex strip;7, top cover;8, through slot;9, convex cover;10, bendable strip;11, fixed hole one;12, bottom hole;13, outer convex bottom;14, inner convex bottom;15, coarse thread;16, bottom thread;17, circular ring frame;18, pin;19, fixed hole two. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Embodiment 1

[0026] As Figures 1-7 The utility model discloses a kind of cold-resistant vibration temperature composite sensors, including shell 1, the inner wall of shell 1 is fixedly connected with protective shell 2, the inner wall of protective shell 2 is fixedly connected with inner shell 3, the inner wall of protective shell 2 is fixedly connected with limiting seat 4, the upper surface of limiting seat 4 is equipped with sliding groove 5, the outer surface of inner shell 3 is fixedly connected with convex strip 6, and the upper surface of protective shell 2 is fixedly connected with top cover 7.

[0027] Specific use, through the setting of the shell 1, the protective shell 2, the inner shell 3, the limiting seat 4, the sliding groove 5, the convex strip 6 and the top cover 7, the inner shell 3 is the internal element of the sensor, the sensor is mainly composed of the shell 1, the protective shell 2 and the inner shell 3, all of which are cold-resistant metal materials, such as copper alloy, the inner shell 3 is fixed in the protective shell 2, the protective shell 2 is fixed in the shell 1, after the sensor is applied, the bendable strip 10 on the top of the convex strip 6 is to be folded by ninety degrees towards the shell 1, and the bendable strip 10 and the convex strip 6 are fixed by screwing into the coincident fixing hole one 11 and the fixing hole two 19, when the internal element of the sensor is overhauled, the shell 1 is first taken off from the fixing place, then the screw is taken out to fold the bent bendable strip 10 back to the vertical state, then the inner shell 3 is pulled out by pulling the top of the convex strip 6 and the top cover 7 is taken off, at this time, the internal element in the inner shell 3 is exposed, the element can be overhauled and replaced, so that the internal element of the sensor can be conveniently and quickly taken out for inspection, repair and replacement.

[0028] In the embodiment, the upper surface of the top cover 7 is provided with a through slot 8, and the lower surface of the top cover 7 is fixedly connected with a convex cover 9.

[0029] Specific use, through the setting of the convex cover 9, the opening of the inner shell 3 is blocked.

[0030] In the embodiment, the top end of the convex strip 6 is fixedly connected with a bendable strip 10, and the top end of the bendable strip 10 is provided with a fixing hole one 11.

[0031] Specific use, through the setting of the bendable strip 10, the bendable strip 10 is conveniently bent to fix the top of the convex strip 6.

[0032] In the embodiment, the lower surface of the shell 1 is provided with a bottom hole 12, and the upper surface of the shell 1 is provided with a fixing hole two 19.

[0033] Specific use, through the setting of the bottom hole 12, the outer convex bottom 13 is conveniently extended out of the shell 1.

[0034] In the embodiment, the lower surface of the protective shell 2 is fixedly connected with an outer convex bottom 13, and the lower surface of the protective shell 2 is fixedly connected with an inner convex bottom 14.

[0035] Specific use, through the setting of the outer convex bottom 13 and the inner convex bottom 14, the sensor and the detection surface are conveniently contacted.

[0036] In the embodiment, the bottom of the outer surface of the shell 1 is provided with a coarse thread 15, and the bottom end of the shell 1 is provided with a bottom thread 16.

[0037] Specific use, through the setting of the bottom thread 16, the circular ring frame 17 is connected.

[0038] In the embodiment, the outer surface of the bottom thread 16 is threadedly connected with the circular ring frame 17, and the outer surface of the circular ring frame 17 is fixedly connected with a pin 18.

[0039] In particular use, the ring frame 17 is fixed through the setting of the pin 18.

[0040] Working principle: after the sensor is applied, the bendable strip 10 on the top of the convex strip 6 is to be folded by ninety degrees towards the shell 1, and the bendable strip 10 and the convex strip 6 are fixed by screwing into the coincident fixed hole one 11 and the fixed hole two 19, when the internal elements of the sensor are overhauled, the shell 1 is first taken off from the fixed place, then the screw is taken out to fold the bent bendable strip 10 back to the vertical state, then the inner shell 3 is pulled out by pulling the top of the convex strip 6, and the top cover 7 is taken off, at this time the internal elements in the inner shell 3 are exposed, and the elements can be overhauled and replaced.

[0041] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cold-resistant vibration temperature composite sensor comprising a housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected with a protective shell (2), the inner wall of the protective shell (2) is fixedly connected with an inner shell (3), the inner wall of the protective shell (2) is fixedly connected with a limiting seat (4), the upper surface of the limiting seat (4) is provided with a sliding groove (5), the outer surface of the inner shell (3) is fixedly connected with a convex strip (6), and the upper surface of the protective shell (2) is fixedly connected with a top cover (7).

2. The cold-resistant vibration temperature composite sensor according to claim 1, characterized in that: The upper surface of the top cover (7) is provided with a through groove (8), and the lower surface of the top cover (7) is fixedly connected with a convex cover (9).

3. The cold-resistant vibration temperature composite sensor according to claim 1, characterized in that: The top end of the convex strip (6) is fixedly connected with a bendable strip (10), and the top end of the bendable strip (10) is provided with a fixed hole I (11).

4. The cold-resistant vibration temperature composite sensor according to claim 1, characterized in that: The lower surface of the shell (1) is provided with a bottom hole (12), and the upper surface of the shell (1) is provided with a fixed hole II (19).

5. The cold-resistant vibration temperature composite sensor according to claim 1, characterized in that: The lower surface of the protective shell (2) is fixedly connected with an outer convex bottom (13), and the lower surface of the protective shell (2) is fixedly connected with an inner convex bottom (14).

6. The cold-resistant vibration temperature composite sensor according to claim 1, characterized in that: The bottom of the outer surface of the shell (1) is provided with a coarse thread (15), and the bottom end of the shell (1) is provided with a bottom thread (16).

7. The cold-resistant vibration temperature composite sensor according to claim 6, characterized in that: The outer surface of the bottom thread (16) is threadedly connected with a circular ring frame (17), and the outer surface of the circular ring frame (17) is fixedly connected with a pin (18).

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