Temperature sensor

Abstract

The utility model discloses a temperature sensor which comprises a temperature measuring assembly and a clamp, one end of the temperature measuring assembly is connected with the clamp, the other end of the temperature measuring assembly is attached to a pipeline, one end of the temperature measuring assembly attached to the pipeline is further provided with a pressure measuring device, and the clamp is used for clamping the pipeline. The pressure measuring device is a main component forming the temperature sensor. The pressure measuring device is arranged at the end, attached to the pipeline, of the temperature measuring assembly, so that the working state of the temperature sensor can be monitored in real time. Once the temperature sensor is detected to fall off, the pressure detector can quickly respond and send out an abnormal signal. Therefore, it is ensured that the machine can receive the abnormal signal in the first time, protection measures are started in time, and therefore equipment damage or safety accidents caused by too high temperature are avoided. Through the intelligent temperature monitoring and management, the safety and reliability of industrial production are greatly improved, and the safety of personnel and equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a temperature sensor. BACKGROUND

[0002] The wall-hanging stove for detecting heating outlet water temperature adopts the pipe clamp type temperature sensor, the heating outlet water temperature sensor is directly clamped on the heating outlet water pipe, simple assembly, and no risk of water leakage, but the temperature sensor has the risk of falling off from the water pipe, when the heating outlet water temperature sensor falls off, the machine cannot detect the heating outlet water temperature to stop in time, and the machine load will continue to increase.

[0003] The general way to solve the problem of machine load increase after the temperature sensor falls off is to continuously increase the heating outlet water temperature, and finally the high-temperature water triggers the temperature relay to jump, so that the machine stops, but after the heating outlet water temperature sensor falls off, the machine cannot make a timely judgment, and when the final temperature relay acts to take the shutdown protection, the heating outlet water has reached about 100 DEG C, so that there is a safety risk in the high-temperature combustion stage.

[0004] In order to solve the problem that the machine cannot make a timely judgment after the temperature sensor falls off, the patent provides a temperature sensor with a pressure sensor. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defect that the machine cannot make a timely judgment after the temperature sensor falls off in the prior art, and provide a temperature sensor.

[0006] The utility model solves the above technical problem by the following technical scheme:

[0007] The utility model provides a temperature sensor, which comprises a temperature measuring assembly and a clamp, one end of the temperature measuring assembly is connected with the clamp, the other end of the temperature measuring assembly is attached to a pipeline, one end of the temperature measuring assembly attached to the pipeline is further provided with a pressure detector, and the clamp is used for clamping the pipeline.

[0008] In the scheme, the pressure detector is the main component of the temperature sensor. By arranging the pressure detector at one end of the temperature measuring assembly attached to the pipeline, the falling off of the temperature sensor can be sensed in time, and then the protection measures can be assisted to judge, so that the machine cannot make a timely judgment after the temperature sensor falls off, and the high-temperature protection effect is achieved.

[0009] Preferably, the pressure detector comprises a pressure-sensitive resistor and a detection circuit, the pressure-sensitive resistor is connected with the detection circuit, the resistance value of the pressure-sensitive resistor changes with the pressure change, and the detection circuit is used for detecting the resistance change of the pressure-sensitive resistor to judge the falling off of the temperature sensor in time and report the fault.

[0010] In the scheme, the fixed state of the temperature sensor can be monitored by setting the pressure sensitive resistor, when the temperature sensor is fixed on the heating water pipe, the pressure sensitive resistor will be extruded by the pipe wall, when the temperature sensor falls off, the detection circuit can detect the resistance change, and the temperature sensor falling off can be judged in time and a fault is reported, so that the safety of the machine is ensured.

[0011] Preferably, the temperature detector comprises a base and a thermistor, one end of the base is connected with the clamp, the other end of the base is provided with a close surface, the close surface is attached to the pipeline, and the thermistor is arranged on the close surface.

[0012] In the scheme, the thermistor is arranged on the close surface, so that the thermistor is more closely arranged with the pipeline, and the accuracy of detecting temperature is improved.

[0013] Preferably, the close surface is a curved surface, and the curvature of the curved surface of the close surface matches the curvature of the outer surface of the pipeline.

[0014] In the scheme, the close surface is arranged as a curved surface matching the curvature of the outer surface of the pipeline, so that the thermistor is close to the pipeline, and the accuracy of detecting temperature is further improved.

[0015] Preferably, the close surface is provided with a groove, and the thermistor is arranged in the groove.

[0016] In the scheme, the groove is arranged on the close surface, so that the thermistor can be accommodated and detection is facilitated.

[0017] Preferably, the pressure detector is arranged in the groove.

[0018] In the scheme, the groove is arranged on the close surface, so that the pressure sensitive resistor can be accommodated and detection is facilitated.

[0019] Preferably, the groove is provided with a copper sheet.

[0020] In the scheme, the copper sheet is arranged on the groove, and the good thermal conductivity of the copper sheet can improve the accuracy of detecting temperature.

[0021] Preferably, the close surface extends to both sides along the radial direction of the pipeline to form a flange.

[0022] In the scheme, the flange is arranged on the close surface, so that the contact area with the pipeline can be increased, the position of the pipeline can be constrained, and the close surface can be prevented from being separated from the pipeline.

[0023] Preferably, the clamp comprises a first bending part, and the flange abuts against the first bending part, so as to pre-expand the clamp.

[0024] In the scheme, the pipe is clamped by the clamp on the temperature measuring assembly, and the clamp forms a space capable of accommodating the pipe through the first bending part. At the same time, the flange abuts against the first bending part from the inside, and is used for pre-expanding the clamp, so as to facilitate the installation of the temperature sensor.

[0025] Preferably, the clamp further comprises a second bending part, which is arranged at the end of the clamp and is bent and extended away from the temperature measuring assembly.

[0026] In the scheme, the second bending part arranged at the end of the clamp provides a gripping point for the pipe clamping installation, so that the pipe is easier to install when clamped into the clamp.

[0027] The positive progress effect of the utility model lies in:

[0028] The pressure gauge is the main component of the temperature sensor. By arranging the pressure gauge at one end of the temperature measuring assembly abutting against the pipe, the layout can monitor the working state of the temperature sensor in real time. Once the temperature sensor is detected to fall off, the pressure gauge can quickly respond and send an abnormal signal. This ensures that the machine can receive the abnormal signal in the first time and start the protection measures in time, so as to avoid the damage of equipment or safety accidents caused by high temperature. Through the intelligent temperature monitoring and management, the safety and reliability of industrial production are greatly improved, and the safety of personnel and equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The structure diagram of the temperature sensor of the utility model embodiment

[0030] Figure 2 The assembly diagram of the temperature sensor of the utility model embodiment

[0031] Explanation of reference signs:

[0032] Temperature sensor 100

[0033] Temperature measuring assembly 1

[0034] Base 11

[0035] Close face 12

[0036] Thermistor 13

[0037] Groove 14

[0038] Copper sheet 15

[0039] Flange 16

[0040] Clamp 2

[0041] First bending part 21

[0042] second bending portion 22

[0043] pipe 3

[0044] pressure gauge 4

[0045] pressure-sensitive resistor 41

[0046] detection circuit 42

[0047] relay 5 DETAILED DESCRIPTION

[0048] The utility model is further illustrated below by way of examples, but the utility model is not limited in the scope of the examples.

[0049] The embodiment provides a temperature sensor 100, as shown in Figure 1 and Figure 2 The temperature sensor 100 includes a temperature measuring assembly 1 and a clip 2, the temperature measuring assembly 1 is connected to the clip 2 at one end, the clip 2 is used for clamping a pipe 3, and the other end of the temperature measuring assembly 1 is attached to the pipe 3; the end of the temperature measuring assembly 1 attached to the pipe 3 is also provided with a pressure gauge 4, the pressure gauge 4 includes a pressure-sensitive resistor 41 and a detection circuit 42, the pressure-sensitive resistor 41 is connected to the detection circuit 42, the resistance value of the pressure-sensitive resistor 41 changes with pressure, the detection circuit 42 is used for detecting the resistance change of the pressure-sensitive resistor 41 and timely judging that the temperature sensor 100 falls off and reports a fault to facilitate taking corresponding measures to prevent triggering the shutdown protection action of a relay 5, avoid the heating outlet water temperature being too high, and make the high-temperature combustion stage have a safety risk.

[0050] In this way, the pressure gauge 4 is the main component of the temperature sensor 100. By arranging the pressure gauge 4 at the end of the temperature measuring assembly 1 attached to the pipe 3, this layout can monitor the working state of the temperature sensor 100 in real time. Once the temperature sensor 100 is detected to fall off, the pressure gauge 4 can quickly respond and send an abnormal signal. This ensures that the machine can receive the abnormal signal in the first time and timely start the protection measures, thereby avoiding equipment damage or safety accidents caused by high temperature. Through this intelligent temperature monitoring and management, we greatly improve the safety and reliability of industrial production, and guarantee the safety of personnel and equipment. In addition, by arranging the pressure gauge 4 at the end of the temperature measuring assembly 1 attached to the pipe 3, the temperature sensor 100 falling off can be sensed in time, and then auxiliary judgment is taken to take protection measures, so that the machine cannot timely judge after the temperature sensor 100 falls off, and the high-temperature protection effect is achieved.

[0051] Specifically, the temperature detector comprises a base 11 and a thermistor 13, one end of the base 11 is connected with the clamp 2, the other end of the base 11 is provided with a close surface 12, the close surface 12 is attached to the pipeline 3, and the thermistor 13 is arranged on the close surface 12. The close surface 12 is a curved surface, and the curvature of the curved surface of the close surface 12 matches the curvature of the outer surface of the pipeline 3.

[0052] In this way, by arranging the thermistor 13 on the close surface 12, the thermistor 13 can be more closely attached to the pipeline 3, and the accuracy of detecting the temperature can be improved. In addition, by arranging the close surface 12 as a curved surface matching the curvature of the outer surface of the pipeline 3, the thermistor 13 is close to the pipeline 3, and the accuracy of detecting the temperature is further improved.

[0053] Specifically, the close surface 12 is provided with a groove 14, and the thermistor 13 and the pressure detector 4 can be arranged in the groove 14, or one of them is arranged in the groove 14 and the other is arranged on the outside of the close surface 12. Preferably, the thermistor 13 and the pressure detector 4 are arranged in the groove 14. The groove 14 is arranged in the middle region of the close surface 12, and in other embodiments, those skilled in the art can also choose other suitable groove 14 arrangement positions. Preferably, the groove 14 is arranged in the middle region of the close surface 12.

[0054] In this way, by arranging the groove 14 on the close surface 12, the thermistor 13 and the pressure detector 4 can be accommodated and detected conveniently. Arranging the groove 14 in the middle region of the close surface 12 can ensure more accurate measurement of the average temperature of the medium, because it can avoid the influence of the temperature gradient or local hot spots that may exist at the end of the pipeline 3.

[0055] Specifically, the groove 14 is provided with a copper sheet 15. The copper sheet 15 covers the opening of the groove 14 and is attached to the thermistor 13 and the pressure detector 4. In other embodiments, those skilled in the art can also choose other suitable heat-conducting structures. Preferably, the copper sheet 15 attached to the thermistor 13 and the pressure detector 4 is arranged for heat conduction.

[0056] In this way, by arranging the copper sheet 15 on the groove 14, the good heat conductivity of the copper sheet 15 can improve the accuracy of detecting the temperature.

[0057] Specifically, the close surface 12 extends to both sides along the radial direction of the pipeline 3 to form a flange 16.

[0058] In this way, by arranging the flange 16 on the close surface 12, the contact area with the pipeline 3 can be increased, the position of the pipeline 3 can be constrained, and the close surface 12 can be prevented from being separated from the pipeline 3.

[0059] Specifically, the clip 2 comprises a first bending part 21, the clip 2 is connected with the temperature measuring assembly 1 and extends away from the temperature measuring assembly 1 from the connection, the clip 2 extends to the height close to the flange 16, then bends and extends towards the temperature measuring assembly 1, thereby forming the first bending part 21. The flange 16 abuts against the first bending part 21 from the inner side of the clip 2, and is used for pre-expanding the clip 2. The clip 2 further comprises a second bending part 22, which is arranged at the extending end of the clip 2 and bends and extends away from the temperature measuring assembly 1.

[0060] In this way, the clip 2 is arranged on the temperature measuring assembly 1 to clamp the pipeline 3, and the first bending part 21 is used to form a space for accommodating the pipeline 3. Meanwhile, the flange 16 abuts against the first bending part 21 from the inside, and is used for pre-expanding the clip 2, thereby facilitating the installation of the temperature sensor 100. The second bending part 22 is arranged at the end of the clip 2 to provide a gripping point for clamping and installing the pipeline 3, so that the pipeline 3 is easier to install when clamped into the clip 2.

[0061] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship of the device or component shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0062] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A temperature sensor comprising a temperature sensing element and a clip, characterized in that, One end of the temperature measuring assembly is connected with the clamp, and the other end of the temperature measuring assembly is attached to the pipeline. One end of the temperature measuring assembly attached to the pipeline is further provided with a pressure detector. The clamp is used for clamping the pipeline.

2. The temperature sensor of claim 1, wherein, The pressure detector comprises a pressure-sensitive resistor and a detection circuit. The pressure-sensitive resistor is connected with the detection circuit. The resistance value of the pressure-sensitive resistor changes with pressure. The detection circuit is used for detecting the resistance change of the pressure-sensitive resistor and determining the falling of the temperature sensor in time and reporting a fault.

3. The temperature sensor of claim 1, wherein, The temperature measuring assembly comprises a base and a thermistor. One end of the base is connected with the clamp. The other end of the base is provided with an attaching surface. The attaching surface is attached to the pipeline. The thermistor is arranged on the attaching surface.

4. The temperature sensor of claim 3, wherein, The attaching surface is a curved surface. The curvature of the curved surface of the attaching surface matches the curvature of the outer surface of the pipeline.

5. The temperature sensor of claim 3, wherein the temperature sensor is configured to output a signal indicative of a temperature of the temperature sensor. The attaching surface is provided with a groove. The thermistor is arranged in the groove.

6. The temperature sensor of claim 5, wherein, The pressure detector is arranged in the groove.

7. The temperature sensor of claim 5, wherein, The groove is provided with a copper sheet.

8. The temperature sensor of claim 3, wherein, The attaching surface extends to both sides along the radial direction of the pipeline to form a flange.

9. The temperature sensor of claim 8, wherein, The clamp comprises a first bending part. The flange abuts against the first bending part, which is used for pre-opening the clamp.

10. The temperature sensor of claim 9, wherein, The clamp further comprises a second bending part. The second bending part is arranged at the end of the clamp and is bent and extended away from the temperature measuring assembly.

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