CN219757543U

CN219757543U - Detachable temperature sensor

Info

Publication number: CN219757543U
Application number: CN202320248966.1U
Authority: CN
Inventors: 杨利; 张娟蓉; 王琥
Original assignee: Yulin Measurement Technology Research Institute
Current assignee: Yulin Measurement Technology Research Institute
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-09-26
Anticipated expiration: 2033-02-17

Abstract

The utility model belongs to the technical field of temperature sensors, and particularly relates to a detachable temperature sensor, which comprises a sensor main body, wherein a temperature measuring mechanism is arranged below the sensor, the temperature measuring mechanism comprises a detaching unit and a temperature measuring unit, the detaching unit is arranged below the movable connection and the sensor main body, a wiring mechanism is arranged on the right side of the sensor, and the temperature measuring unit is arranged below the detaching unit. This detachable temperature sensor, dismantlement unit in through temperature measuring mechanism, dismantlement between temperature measuring mechanism and the sensor that can be quick and convenient, the device of depositing of being more convenient for, wherein temperature measuring unit's setting, then make the device can bear higher temperature, through the setting of rubber sealing plug in the wiring mechanism, when needs wiring, pull out rubber sealing plug can use, when need not wiring, can prevent that there is water or dust to flow into the inside of sensor main part along the wiring mouth, cause its inside electronic component's damage.

Description

Detachable temperature sensor

Technical Field

The utility model relates to the technical field of temperature sensors, in particular to a detachable temperature sensor.

Background

A temperature sensor refers to a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is a core part of a temperature measuring instrument, has various varieties, can be divided into two main types of contact type and non-contact type according to the measuring mode, is divided into two types of thermal resistors and thermocouples according to the characteristics of sensor materials and electronic elements, and is mainly used in the fields of temperature detection, display, temperature control, overheat protection and the like, and in actual use, the temperature sensor is in face of risk that transient high voltage can generate burning loss, so that the accuracy of temperature measurement is affected.

As disclosed in chinese patent publication No. CN208350231U, a temperature sensor is disclosed, when in use, a thermal element is disposed in the interior of a housing, a connector is inserted into the upper end of the housing, a terminal in the connector is connected with two ends of the thermal element, two ends of the thermal element are connected with overvoltage protection devices in parallel, the overvoltage protection devices are disposed in the connector, when a transient large voltage is generated in a circuit, the overvoltage protection devices are utilized to rapidly reduce the impedance and absorb a large current, the problem that the existing temperature sensor is easy to damage when the transient large voltage is generated on a wire, resulting in inaccurate temperature measurement is solved, and the effects of improving the transient large voltage resistance and the reliability of the temperature sensor are achieved.

However, the temperature sensor in the above application has a limitation in that the electronic components are welded together, and the temperature sensor is inconvenient to disassemble, so that a large storage space is occupied when the temperature sensor is not used for storage.

For this reason, it is desirable to provide a detachable temperature sensor.

Disclosure of Invention

The utility model aims to provide a detachable temperature sensor, which solves the problems that the temperature sensor provided in the background art is inconvenient to detach because all electronic elements in the temperature sensor are mutually welded together, and occupies a large storage space when the temperature sensor is not used for storage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detachable temperature sensor, includes the sensor main part, the below of sensor main part is provided with temperature measuring mechanism, the right side of sensor main part is provided with wiring mechanism.

The temperature measuring mechanism comprises a disassembling unit and a temperature measuring unit, wherein the disassembling unit is arranged below the sensor main body, and the temperature measuring unit is arranged below the disassembling unit.

The dismounting unit comprises a connecting column, a rubber pad and a fixing nut, wherein the connecting column is fixedly connected to the bottom center of the sensor main body, the rubber pad is sleeved on the outer surface of the connecting column, looseness between the connecting column and the fixing nut can be prevented by the aid of the rubber pad, and the fixing nut is in threaded connection with the outer surface of the connecting column.

The external thread corresponding to the fixing nut is arranged on the outer surface of the connecting column, the external thread and the fixing nut are connected through threads, so that the connection of the external thread and the fixing nut is firmer, and when the internal part of the sensor main body is damaged, the dismounting and the maintenance are convenient.

The temperature measuring unit comprises a temperature measuring sensitive element, a probe rod, a probe and a sensing component, wherein the temperature measuring sensitive element is fixedly connected to the lower portion of the fixing nut, the probe rod is fixedly connected to the bottom center of the temperature measuring sensitive element, the probe is arranged at the bottom end of the probe rod, when temperature measurement is needed, the probe is contacted with an object to be measured, and the temperature measurement can be performed, and the sensing component is arranged in the probe rod.

The sensor comprises a sensor component, a temperature sensor and a temperature sensor, wherein the sensor component comprises an armored wire, a sensor probe and a ceramic insulating layer, the top of the armored wire is electrically connected with the temperature sensor, the sensor probe is arranged at the center of the bottom end of the armored wire, the ceramic insulating layer covers the outside of the armored wire, the compressive strength is enhanced, and the armored wire is better protected from running.

The probe rod is further improved in that the whole probe rod is made of stainless steel materials, and the inner side of the probe rod is covered with a heat-resistant insulator, so that the high-temperature-resistant effect of the probe is enhanced.

Further improved lie in, wiring mechanism includes wiring mouth, elastic rubber area, rubber sealing plug, wiring mouth fixed connection is in the right side surface of sensor main part, the left end fixed connection of elastic rubber area is in the top of wiring mouth, rubber sealing plug fixed connection is in the right-hand member of elastic rubber area, just rubber sealing plug joint is in the inside of wiring mouth, when needs wiring, pulls out the rubber sealing plug can use, when not needing wiring, can prevent to have water or dust to flow into the inside of sensor main part along the wiring mouth, causes the damage of its inside electronic component.

The sensor is characterized in that a junction box is arranged at the top of the sensor body, a waterproof sealing ring is arranged between the sensor body and the junction box, and water drops or dust are prevented from entering the sensor body.

Compared with the prior art, the utility model has the beneficial effects that:

1. this detachable temperature sensor, through the dismantlement unit among the temperature measurement mechanism, can be quick and convenient dismantle between temperature measurement mechanism and the sensor, the device of depositing of being more convenient for, wherein the setting of temperature measurement unit then makes the device can bear higher temperature, has improved the application scope of the device.

2. This detachable temperature sensor, through the setting of rubber sealing plug in the wiring mechanism, when needs wiring, pull out the rubber sealing plug can use, when not needing the wiring, can prevent to have water or dust to flow into the inside of sensor main part along the wiring mouth, causes its inside electronic component's damage.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of an elevation split structure of the present utility model;

FIG. 3 is a schematic view of the wiring mechanism of the present utility model in an open configuration;

fig. 4 is a schematic cross-sectional view of the probe of the present utility model.

In the figure: 1. a sensor body; 201. a connecting column; 202. a rubber pad; 203. a fixing nut; 204. a temperature sensing element; 205. a probe rod; 206. a probe; 207. a sensing member; 2071. armoring the wire; 2072. sensing a probe point; 2073. a ceramic insulating layer; 301. a wiring port; 302. an elastic rubber band; 303. a rubber sealing plug; 4. a junction box; 5. and (5) a waterproof sealing ring.

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. 1-4, the present utility model provides a technical solution: the utility model provides a detachable temperature sensor, includes sensor body 1, and the below of sensor body 1 is provided with temperature measuring mechanism, and sensor body 1's right side is provided with wiring mechanism.

The temperature measuring mechanism comprises a disassembling unit and a temperature measuring unit, wherein the disassembling unit is arranged below the sensor main body 1, and the temperature measuring unit is arranged below the disassembling unit.

The dismounting unit comprises a connecting column 201, a rubber pad 202 and a fixing nut 203, wherein the connecting column 201 is fixedly connected to the bottom center of the sensor main body 1, the rubber pad 202 is sleeved on the outer surface of the connecting column 201, looseness between the connecting column 201 and the fixing nut 203 can be prevented by the aid of the rubber pad 202, and the fixing nut 203 is in threaded connection with the outer surface of the connecting column 201. External threads corresponding to the fixing nut 203 are formed on the outer surface of the connecting column 201, and the external threads are connected through threads, so that the connection of the external threads and the fixing nut is firmer, and when the internal parts of the sensor main body 1 are damaged, the dismounting and the maintenance are convenient.

The temperature measuring unit comprises a temperature measuring sensitive element 204, a probe rod 205, a probe 206 and a sensing component 207, wherein the temperature measuring sensitive element 204 is fixedly connected to the lower part of the fixing nut 203, the probe rod 205 is fixedly connected to the bottom center of the temperature measuring sensitive element 204, the probe 206 is arranged at the bottom end of the probe rod 205, when temperature measurement is needed, the probe 206 is contacted with an object to be measured, and the temperature measurement can be carried out, and the sensing component 207 is arranged in the probe rod 205.

The sensing component 207 comprises an armored wire 2071, a sensing probe 2072 and a ceramic insulating layer 2073, wherein the top of the armored wire 2071 is electrically connected with the temperature measuring sensitive element 204, the sensing probe 2072 is arranged at the center of the bottom end of the armored wire 2071, the ceramic insulating layer 2073 covers the outside of the armored wire 2071, the compressive strength is enhanced, and the armored wire 2071 is better protected from running. The entire probe rod 205 is made of stainless steel, and the inner side of the probe rod 205 is covered with a heat-resistant insulator, so that the high-temperature resistant effect of the probe 206 is enhanced.

The wiring mechanism comprises a wiring port 301, an elastic rubber belt 302 and a rubber sealing plug 303, wherein the wiring port 301 is fixedly connected to the outer surface of the right side of the sensor main body 1, the left end of the elastic rubber belt 302 is fixedly connected to the top of the wiring port 301, the rubber sealing plug 303 is fixedly connected to the right end of the elastic rubber belt 302, the rubber sealing plug 303 is clamped inside the wiring port 301, the rubber sealing plug 303 is pulled out to be used when wiring is needed, and water or dust can be prevented from flowing into the sensor main body 1 along the wiring port 301 when wiring is not needed, so that the damage of internal electronic components is caused.

The top of sensor main part 1 is provided with terminal box 4, is provided with waterproof sealing circle 5 between sensor main part 1 and the terminal box 4, avoids having drop of water or dust to get into the inside of sensor main part 1.

Working principle: firstly, the external equipment is connected with the sensor main body 1 through the wiring opening 301, the probe 206 is contacted with the surface of an object to be measured, a sensing probe point 2072 arranged inside the probe rod 205 works, signals are transmitted to the temperature measuring sensitive element 204 through the armored wire 2071 and then are transmitted to the sensor main body 1, wherein the heat-resistant insulator arranged inside the probe rod 205 enhances the high temperature resistant effect of the probe 206, the ceramic insulating layer 2073 covered outside the armored wire 2071 enhances the compressive strength, when the temperature measurement is finished, the external equipment is taken out, the rubber sealing plug 303 is plugged inside the wiring opening 301 again, the water or dust is prevented from flowing into the sensor main body 1 along the wiring opening 301, the damage of electronic elements inside the sensor main body is avoided, then the fixing nut 203 is screwed, and the temperature measuring mechanism is taken down from the lower part of the sensor main body 1, so that the device is more convenient to store.

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. A detachable temperature sensor, comprising a sensor body (1), characterized in that: a temperature measuring mechanism is arranged below the sensor main body (1), and a wiring mechanism is arranged on the right side of the sensor main body (1);

the temperature measuring mechanism comprises a disassembling unit and a temperature measuring unit, wherein the disassembling unit is arranged below the sensor main body (1), and the temperature measuring unit is arranged below the disassembling unit;

the dismounting unit comprises a connecting column (201), a rubber pad (202) and a fixing nut (203), wherein the connecting column (201) is fixedly connected to the bottom center of the sensor main body (1), the rubber pad (202) is sleeved on the outer surface of the connecting column (201), and the fixing nut (203) is in threaded connection with the outer surface of the connecting column (201);

the wiring mechanism comprises a wiring port (301), an elastic rubber belt (302) and a rubber sealing plug (303), wherein the wiring port (301) is fixedly connected to the outer surface of the right side of the sensor main body (1), the left end of the elastic rubber belt (302) is fixedly connected to the top of the wiring port (301), the rubber sealing plug (303) is fixedly connected to the right end of the elastic rubber belt (302), and the rubber sealing plug (303) is clamped inside the wiring port (301).

2. A detachable temperature sensor according to claim 1, wherein: external threads corresponding to the fixing nuts (203) are formed on the outer surface of the connecting column (201), and the external threads and the fixing nuts are connected through threads.

3. A detachable temperature sensor according to claim 1, wherein: the temperature measurement unit comprises a temperature measurement sensitive element (204), a probe rod (205), a probe (206) and a sensing component (207), wherein the temperature measurement sensitive element (204) is fixedly connected to the lower portion of a fixing nut (203), the probe rod (205) is fixedly connected to the bottom center of the temperature measurement sensitive element (204), the probe (206) is arranged at the bottom end of the probe rod (205), and the sensing component (207) is arranged inside the probe rod (205).

4. A detachable temperature sensor according to claim 3, wherein: the sensing component (207) comprises an armored wire (2071), a sensing probe point (2072) and a ceramic insulating layer (2073), wherein the top of the armored wire (2071) is electrically connected with the temperature measuring sensitive element (204), the sensing probe point (2072) is arranged at the center of the bottom end of the armored wire (2071), and the ceramic insulating layer (2073) covers the outside of the armored wire (2071).

5. A detachable temperature sensor according to claim 3, wherein: the entire probe rod (205) is made of stainless steel, and the inner side of the probe rod (205) is covered with heat-resistant insulation.

6. A detachable temperature sensor according to claim 1, wherein: the sensor is characterized in that a junction box (4) is arranged at the top of the sensor main body (1), and a waterproof sealing ring (5) is arranged between the sensor main body (1) and the junction box (4).