High-precision temperature and humidity sensor applied to high temperature

Abstract

The utility model relates to the technical field of temperature and humidity sensors, in particular to a high-precision temperature and humidity sensor applied at high temperature, which comprises a casing and an auxiliary device, a sensor body is mounted on the inner wall of the casing, a protective sleeve is in threaded connection with the surface of the casing, a circuit is mounted on one side of the casing, and the auxiliary device is arranged on the surface of the casing. The auxiliary device comprises a nut, the nut is rotationally connected with the surface of the shell, and the surface of the nut is fixedly connected with a threaded end. Through the arrangement of the auxiliary device, the shell only needs to be rotated in the nut, cleaning is achieved through contact between the scraping plate and the protective sleeve, positioning can be conducted through mutual cooperation of the positioning ring, the fixing ring and the screw rod, and cleaning is convenient. The whole equipment does not need to be disassembled, and then the protective sleeve is disassembled for cleaning, so that the cleaning time and manpower are greatly saved, the sensor can be ensured to recover a good working state in a short time, and the overall usability and the detection accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature and humidity sensor technical field especially application in high temperature under high accuracy temperature and humidity sensor. BACKGROUND

[0002] High temperature temperature and humidity sensor is a kind of instrument that can accurately measure temperature and relative humidity under high temperature environment, usually adopts platinum resistance (such as Pt100) as temperature sensing element, its resistance value will present certain regular change with the change of temperature, by measuring the change of the resistance value, and through circuit conversion corresponding voltage or current signal, to obtain temperature value, generally utilize high temperature resistant humidity sensitive resistance element, its resistance value will change due to the number of adsorbed water molecules, and then reflect the change of environmental humidity, also by relevant circuit converts resistance change into electric signal to realize humidity measurement.

[0003] Prior art such as the utility model with publication number CN218600605U, the utility model discloses a sensor technical field, specifically a high temperature type temperature and humidity sensor, including sensor main part, the side of sensor main part left and right symmetry is equipped with movable slot, the cylindrical surface of sensor main part is equipped with first annular groove, the lower end of first annular groove is equipped with fan-shaped groove symmetrically, the lower end of sensor main part is equipped with sliding slot symmetrically, the upper end of sensor main part is fixedly installed with high temperature shielded wire, the utility model has the beneficial effects that the sensor part is separated from the circuit part in the utility model, two parts are connected through high temperature shielded wire, the measurement range of the temperature and humidity probe can be greatly improved through this way, at the same time, the temperature range can be-100~200 DEG C, by using high molecular film capacitor as the wet sensing part, the wet sensing area is large, and the anti-interference and anti-pollution ability is strong, by using pt100 as temperature sensing element, not only the temperature measurement range is wide, but also the work is stable and the service life is long, solve the trouble of the existing temperature and humidity sensor when installing, inconvenient to adjust, especially the lower end of temperature and humidity sensor needs to be installed with protective cover, and the protective cover needs to be disassembled and cleaned regularly, the protective cover and the sensor main body are mostly connected by thread, after disassembling and installing for many times, the thread will be worn, so that the protective cover and the sensor cannot be connected firmly, and the problems of thread slipping or falling off are prone to occur.

[0004] In daily work, it is found that the above-mentioned high temperature temperature and humidity sensor is easy to stain the surface of the protective sleeve when in use, causing blockage and affecting the measurement accuracy, and when cleaning subsequently, the high temperature temperature and humidity sensor needs to be taken down as a whole, and the protective sleeve on the high temperature temperature and humidity sensor needs to be taken down for separate cleaning, causing inconvenience in overall cleaning and troublesome operation. UTILITY MODEL CONTENTS

[0005] The utility model discloses a high-precision temperature and humidity sensor applied in high temperature, which is characterized by convenient cleaning.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: high-precision temperature and humidity sensor applied in high temperature, including shell and auxiliary device, the inner wall of shell is installed with sensor body, the surface of shell is connected with protective sheath in screw thread, one side of shell is installed with circuit, the surface of shell is provided with auxiliary device, the auxiliary device includes nut, the surface of nut is fixedly connected with threaded end, the threaded end is rotatably connected with shell, the surface of threaded end is fixedly connected with scraper, the surface of nut is fixedly connected with fixed ring, the surface of shell is fixedly connected with locating ring, the inner wall of locating ring is rotatably connected with screw rod, the inner wall of fixed ring is inserted with screw rod, through above-mentioned parts, when using, the whole can be assembled through nut and threaded end, after assembling, when needing cleaning, the shell can be rotated, and the protective sheath is driven to rotate, the protective sheath can contact with scraper, realizes cleaning effect, when needing positioning, only need rotating screw rod, and the screw rod is inserted in the inner wall of fixed ring, and positioning can be completed.

[0007] Preferably, the number of scrapers is three, and the three scrapers are evenly fixed on the threaded end. Through the above components, the three groups of scrapers do not need to rotate one circle for cleaning, thereby improving the overall ease of use.

[0008] Preferably, the scraping part of the scraper is in the shape of an inverted triangle.

[0009] Preferably, the surface of the screw rod is fixedly connected with a limiting ring, and the surface of the locating ring is provided with a positioning groove. The limiting ring is inserted into the positioning groove. Through the above components, when the limiting ring abuts against the inner wall of the positioning groove during movement of the screw rod with the limiting ring, the screw rod can be removed from the inner wall of the fixed ring.

[0010] Preferably, the surface of the locating ring is provided with a groove, and the inner wall of the groove is rotatably connected with a handle. Through the above components, the shell can be rotated in the nut by the handle cooperating with the locating ring, thereby improving the overall ease of use.

[0011] Preferably, the surface of the circuit is provided with a wire bundling device. The wire bundling device includes a wire bundling seat, the wire bundling seat is sleeved on the surface of the circuit, two baffles are fixedly connected to the two sides of the wire bundling seat, and an elastic band is fixedly connected to the surface of the wire bundling seat. Through the above components, the elastic band can be pulled first, and then the excess circuit is bent and placed in the wire bundling seat. The two baffles can intercept, and then the elastic band can bind the circuit.

[0012] Preferably, the surface of the wire bundling seat is provided with a C-shaped groove, and the C-shaped groove in the wire bundling seat can better match the wire through the above-mentioned components.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、The utility model discloses a auxiliary device is set up, only need to rotate the casing in the nut, utilize the contact of scraper and protective sheath to realize cleaning, through the mutual matching of positioning ring, fixed ring and screw rod, can position, need not to take down the whole equipment, then take down the protective sheath and clean, save the cleaning time and manpower greatly, can guarantee that sensor recovers good working condition in short time, improve overall ease of use and the precision of detection time.

[0015] 2、The utility model discloses a wire bundling device is set up, can bind the wire in the temperature and humidity sensor, can make the line neat and orderly, reduce the risk of line damage. ACCURATE TEMPERATURE AND HUMIDITY SENSOR UNDER HIGH TEMPERATURE

[0016] Figure 1 The utility model provides a three -dimensional structure schematic diagram of high precision temperature and humidity sensor under high temperature application in high temperature;

[0017] Figure 2 The utility model provides an explosion structure schematic diagram of high precision temperature and humidity sensor under high temperature application in high temperature;

[0018] Figure 3 The utility model provides an auxiliary device explosion structure schematic diagram of high precision temperature and humidity sensor under high temperature application in high temperature;

[0019] Figure 4 The utility model provides an auxiliary device partial structure schematic diagram of high precision temperature and humidity sensor under high temperature application in high temperature;

[0020] Figure 5 The utility model provides an auxiliary device another partial structure schematic diagram of high precision temperature and humidity sensor under high temperature application in high temperature;

[0021] Figure 6 The utility model provides a wire bundling device structure schematic diagram of high precision temperature and humidity sensor under high temperature application in high temperature.

[0022] Legend:

[0023] 1, casing;2, protective sheath;3, line;4, sensor body;5, auxiliary device;51, nut;52, threaded end;53, scraper;54, fixed ring;55, positioning ring;56, screw rod;57, handle;58, limit ring;59, positioning groove;6, wire bundling device;61, wire bundling seat;62, baffle;63, elastic band. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-6 The utility model provides a technical scheme: high precision temperature and humidity sensor is applied under high temperature, including casing 1 and auxiliary device 5, the inner wall of casing 1 is installed with sensor body 4, the surface of casing 1 is connected with protective sleeve 2 in screw thread, one side of casing 1 is installed with circuit 3, and auxiliary device 5 sets up on the surface of casing 1.

[0025] Specifically, the auxiliary device 5 includes a nut 51, the nut 51 is rotatably connected to the surface of the casing 1, the surface of the nut 51 is fixedly connected with a threaded end 52, the threaded end 52 is rotatably connected with the casing 1, the surface of the threaded end 52 is fixedly connected with a scraper 53, the surface of the nut 51 is fixedly connected with a fixing ring 54, the surface of the casing 1 is fixedly connected with a positioning ring 55, the inner wall of the positioning ring 55 is threadedly connected with a screw rod 56, and the screw rod 56 is inserted into the inner wall of the fixing ring 54.

[0026] In this embodiment: when using, the whole can be assembled by the nut 51 cooperating with the threaded end 52, after assembly, when cleaning is needed, the casing 1 can be rotated, the casing 1 drives the protective sleeve 2 to rotate, the protective sleeve 2 can contact the scraper 53 to achieve the cleaning effect, when positioning is needed, the screw rod 56 is inserted into the inner wall of the fixing ring 54 by rotating the screw rod 56, and the positioning is completed.

[0027] Specifically, the number of scrapers 53 is three, and the three scrapers 53 are evenly fixed on the threaded end 52. When cleaning, the three groups of scrapers 53 do not need to rotate the casing 1 for one circle to clean, thereby improving the ease of use of the whole.

[0028] Specifically, the scraping part of the scraper 53 is arranged in an inverted triangular shape.

[0029] Specifically, the surface of the screw rod 56 is fixedly connected with a limiting ring 58, the surface of the positioning ring 55 is provided with a positioning groove 59, and the limiting ring 58 is inserted into the positioning groove 59.

[0030] In this embodiment: when the limiting ring 58 moves with the screw rod 56, the screw rod 56 can be removed from the inner wall of the fixing ring 54 when the limiting ring 58 abuts against the inner wall of the positioning groove 59.

[0031] Specifically, the surface of the positioning ring 55 is provided with a groove, and the inner wall of the groove is rotatably connected with a handle 57. The handle 57 can be used to rotate the casing 1 in the nut 51 by cooperating with the positioning ring 55, thereby improving the ease of use of the whole.

[0032] Specifically, the surface of the line 3 is provided with a bundling device 6, the bundling device 6 comprises a bundling seat 61, the bundling seat 61 is sleeved on the surface of the line 3, two side plates 62 are fixedly connected to the two sides of the bundling seat 61, and the surface of the bundling seat 61 is fixedly connected with an elastic band 63.

[0033] In the embodiment, the elastic band 63 can be pulled first, then the excess line 3 is bent and placed in the bundling seat 61, the two side plates 62 can intercept, then the elastic band 63 is loosened, and the elastic band 63 can bind the line 3.

[0034] Specifically, the surface of the bundling seat 61 is provided with a C-shaped groove, and the C-shaped groove in the bundling seat 61 can better fit the line 3.

[0035] Working principle: when in use, first, the shell 1 can be installed on the equipment through the cooperation of the nut 51 and the threaded end 52, the protective sleeve 2 protects the sensor body 4, so that the sensor body 4 detects the temperature and humidity, when the protective sleeve 2 needs to be cleaned, first, rotate the screw rod 56, the screw rod 56 drives the limiting ring 58 to move, when the limiting ring 58 abuts against the inner wall of the positioning groove 59, the screw rod 56 can be removed from the inner wall of the fixed ring 54, then the positioning ring 55 and the shell 1 are driven by the handle 57 to rotate in the nut 51, when the shell 1 drives the protective cover to rotate, the protective cover can contact the three groups of scrapers 53 to realize cleaning operation, after cleaning, only need to rotate the screw rod 56, so that the screw rod 56 is inserted in the inner wall of the fixed ring 54 to realize positioning, when the line 3 needs to be bundled, the elastic band 63 can be pulled, then the excess line 3 is bent and placed in the bundling seat 61, the two side plates 62 can intercept, then the elastic band 63 is loosened, and the elastic band 63 can bind the line 3.

Claims

1. A high-precision temperature and humidity sensor for use at high temperatures, comprising a housing (1) and an auxiliary device (5), characterized in that: The inner wall of the shell (1) is provided with a sensor body (4), the surface of the shell (1) is threadedly connected with a protective sleeve (2), one side of the shell (1) is provided with a wire (3), an auxiliary device (5) is arranged on the surface of the shell (1), the auxiliary device (5) comprises a nut (51), the surface of the nut (51) is rotatably connected with the surface of the shell (1), the surface of the nut (51) is fixedly connected with a threaded end (52), the threaded end (52) is rotatably connected with the shell (1), the surface of the threaded end (52) is fixedly connected with a scraper (53), the surface of the nut (51) is fixedly connected with a fixing ring (54), the surface of the shell (1) is fixedly connected with a positioning ring (55), the inner wall of the positioning ring (55) is threadedly connected with a screw rod (56), and the screw rod (56) is inserted into the inner wall of the fixing ring (54).

2. The high-precision temperature and humidity sensor for use at high temperatures according to claim 1, characterized in that: The number of the scrapers (53) is three, and the three scrapers (53) are uniformly fixed on the threaded end (52).

3. The high-precision temperature and humidity sensor for use at high temperatures according to claim 1, characterized in that: The scraping part of the scraper (53) is arranged in an inverted triangular shape.

4. The high-precision temperature and humidity sensor for use at high temperatures according to claim 1, characterized in that: The surface of the screw rod (56) is fixedly connected with a limiting ring (58), the surface of the positioning ring (55) is provided with a positioning groove (59), and the limiting ring (58) is inserted into the positioning groove (59).

5. The high-precision temperature and humidity sensor for use at high temperatures according to claim 1, characterized in that: The surface of the positioning ring (55) is provided with a groove, and the inner wall of the groove is rotatably connected with a handle (57).

6. The high-precision temperature and humidity sensor for use at high temperatures according to claim 5, characterized in that: The surface of the wire (3) is provided with a wire binding device (6), the wire binding device (6) comprises a wire binding seat (61), the wire binding seat (61) is sleeved on the surface of the wire (3), two baffle plates (62) are fixedly connected to the two sides of the wire binding seat (61), and the surface of the wire binding seat (61) is fixedly connected with an elastic belt (63).

7. The high-precision temperature and humidity sensor for use at high temperatures according to claim 6, characterized in that: The surface of the wire binding seat (61) is provided with a C-shaped groove.

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