CN216348807U

CN216348807U - Automatic temperature and humidity sensor of calibration

Info

Publication number: CN216348807U
Application number: CN202122590087.0U
Authority: CN
Inventors: 王震
Original assignee: Hailuoer Nanjing Technology Development Co ltd
Current assignee: Hailuoer Nanjing Technology Development Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-19
Anticipated expiration: 2031-10-27

Abstract

The utility model belongs to the technical field of sensors, and relates to an automatic calibration temperature and humidity sensor which comprises a main shell and an auxiliary shell, wherein the auxiliary shell is positioned at the top of the main shell, two temperature and humidity measuring sensing probes are arranged at the top of the auxiliary shell, a liquid crystal display screen is arranged at the front end of the main shell, an air pipe is fixedly communicated with the right end of the main shell, two binding posts are arranged at the bottom of the main shell, a protective shell is fixedly connected with the bottom of the main shell, a driving motor is fixedly connected with the bottom of the main shell, the driving motor is positioned at the inner side of the protective shell, a transmission shaft is fixedly connected with the output end of the driving motor, a centrifugal fan blade is fixedly sleeved on the transmission shaft, a control circuit board is fixedly clamped in the auxiliary shell, two temperature and humidity correcting sensing probes are electrically connected at the bottom of the control circuit board, the two temperature and humidity correcting sensing probes extend into the main shell, two fixing rings are fixedly sleeved at the outer end of the main shell, and mounting seats are fixedly welded at the rear ends of the two fixing rings; the temperature and humidity sensor is convenient to mount and dismount and can be automatically calibrated.

Description

Automatic temperature and humidity sensor of calibration

Technical Field

The utility model belongs to the technical field of sensors, and particularly relates to an automatic calibration temperature and humidity sensor.

Background

The temperature and humidity sensor mainly uses a temperature and humidity integrated probe as a temperature measuring element, temperature and humidity signals are collected and are converted into current signals or voltage signals which are in linear relation with the temperature and the humidity after being processed by circuits such as voltage stabilization filtering, operational amplification, nonlinear correction, V/I conversion, constant current and reverse protection and the like, and the current signals or the voltage signals are output, and the current signals or the voltage signals can also be directly output through interfaces such as 485 or 232 by a main control chip. The temperature and humidity sensor is widely applied to various fields of production and life due to the characteristics of small volume, stable performance and the like; after the temperature and humidity sensor is used for a long time, precision deviation can occur, and the temperature and humidity sensor can be normally used only by calibration.

Traditional temperature and humidity sensor needs the manual work to dismantle one by one, puts into airtight space again and installs after the calibration, and this kind of mode is not only inefficient, and intensity of labour is big.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a novel energy-saving central air-conditioning control device.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an automatic calibration temperature and humidity sensor, which comprises a main shell and an auxiliary shell, wherein the auxiliary shell is positioned at the top of the main shell, two temperature and humidity measuring sensing probes are arranged at the top of the auxiliary shell, a liquid crystal display screen is arranged at the front end of the main shell, an air pipe is fixedly communicated with the right end of the main shell, two binding posts are arranged at the bottom of the main shell, a protective shell is fixedly connected at the bottom of the main shell and positioned between the two binding posts, a driving motor is fixedly connected at the bottom of the main shell and positioned at the inner side of the protective shell, a transmission shaft is fixedly connected at the output end of the driving motor, centrifugal fan blades are fixedly sleeved on the transmission shaft, a control circuit board is fixedly clamped in the auxiliary shell, the two temperature and humidity measuring sensing probes are electrically connected with the control circuit board, and two temperature and humidity correcting sensing probes are electrically connected at the bottom of the control circuit board, two in the temperature and humidity sensing probe of correction extends to the main casing, the fixed cover of main casing outer end has connect two retainer plates, two the fixed welding of retainer plate rear end has the mount pad.

As a preferred technical scheme of the utility model, two protective caps are arranged at the top of the auxiliary shell, the two protective caps are sleeved outside the two temperature and humidity measuring sensing probes, the two temperature and humidity measuring sensing probes are sleeved with the protective caps, and the protective caps are in threaded connection with the fixed screw base and can protect the temperature and humidity measuring sensing probes.

As a preferable technical scheme of the utility model, the bottom of the protective shell is provided with a plurality of radiating grooves, so that the radiating effect of the driving motor is improved.

As a preferred technical scheme of the utility model, the fixed shaft sleeve is fixedly connected to the top in the main shell, and the other end of the transmission shaft is rotatably inserted into the fixed shaft sleeve, so that the abrasion degree of the transmission shaft can be effectively reduced.

As a preferable technical scheme of the utility model, a filter screen and an electromagnetic valve are arranged in the air pipe, so that impurities can be effectively prevented from being introduced.

As a preferred technical scheme of the utility model, a fixing bolt is inserted on the fixing ring, a fixing nut is connected to the fixing bolt in a threaded manner, and mounting screw holes are formed in four corners of the mounting seat, so that the mounting and dismounting are convenient.

As a preferred technical solution of the present invention, a wireless transmission module is integrated on the control circuit board.

As a preferred technical scheme of the utility model, the inner walls of the main shell and the auxiliary shell are provided with electric heating wires, and the inner walls of the main shell and the auxiliary shell are respectively provided with a waterproof layer, a heat-insulating layer and a sound-insulating layer.

The utility model has the following beneficial effects: the design of retainer plate, fixing bolt, fixation nut and mount pad is convenient for install the sensor and dismantle, can measure external humiture through measuring warm and humid sensing probe, through the air of trachea suction standard humiture, and utilize the heating wire to heat, utilize and rectify warm and humid sensing probe measurement temperature humidity variation value, and rectify, it is more even to drive centrifugal fan blade through driving motor simultaneously and rotate the air distribution that makes in the main casing, the effectual calibration accuracy that has promoted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a third schematic structural view of the present invention;

fig. 4 is a sectional view of the main casing of the present invention.

In the figure: 1. a main housing; 2. a sub-housing; 3. measuring a temperature and humidity sensing probe; 4. fixing the screw seat; 5. a protective cap; 6. a liquid crystal display screen; 7. an air tube; 8. a binding post; 9. a protective shell; 10. a heat sink; 11. a drive motor; 12. a drive shaft; 13. fixing the shaft sleeve; 14. centrifuging the fan blades; 15. filtering with a screen; 16. a control circuit board; 17. correcting the temperature and humidity sensing probe; 18. a stationary ring; 19. fixing the bolt; 20. fixing a nut; 21. a mounting seat; 22. and installing screw holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, an automatic calibration temperature and humidity sensor comprises a main housing 1 and an auxiliary housing 2, the auxiliary housing 2 is located on the top of the main housing 1, two temperature and humidity sensing probes 3 are arranged on the top of the auxiliary housing 2, a liquid crystal display screen 6 is arranged at the front end of the main housing 1, an air pipe 7 is fixedly communicated with the right end of the main housing 1, two binding posts 8 are arranged at the bottom of the main housing 1, a protective shell 9 is fixedly connected to the bottom of the main housing 1, the protective shell 9 is located between the two binding posts 8, a driving motor 11 is fixedly connected to the bottom of the main housing 1, the driving motor 11 is located inside the protective shell 9, a transmission shaft 12 is fixedly connected to the output end of the driving motor 11, a centrifugal fan blade 14 is fixedly sleeved on the transmission shaft 12, a control circuit board 16 is fixedly clamped in the auxiliary housing 2, the two temperature and humidity sensing probes 3 are electrically connected with the control circuit board 16, and two temperature and humidity sensing probes 17 are electrically connected to the bottom of the control circuit board 16, two temperature and humidity sensing probe 17 of rectifying extend to main casing 1 in, and main casing 1 outer end fixed cover is connected with two retainer plates 18, and two retainer plates 18 rear end fixed welding have mount pad 21.

The top of the auxiliary shell 2 is provided with two protective caps 5, the two protective caps 5 are sleeved outside the two temperature and humidity measuring sensing probes 3, the two temperature and humidity measuring sensing probes 3 are sleeved with the protective caps 5, and the protective caps 5 are in threaded connection with the fixed screw base 4 and can protect the temperature and humidity measuring sensing probes 3; the bottom of the protective shell 9 is provided with a plurality of radiating grooves 10, so that the radiating effect of the driving motor 11 is improved; the fixed shaft sleeve 13 is fixedly connected to the top in the main shell 1, and the other end of the transmission shaft 12 is rotatably inserted into the fixed shaft sleeve 13, so that the abrasion degree of the transmission shaft 12 can be effectively reduced; a filter screen 15 and an electromagnetic valve are arranged in the air pipe 7, so that impurities can be effectively prevented from being introduced; a fixing bolt 19 is inserted on the fixing ring 18, a fixing nut 20 is connected to the fixing bolt 19 in a threaded manner, and mounting screw holes 22 are formed in four corners of a mounting seat 21, so that mounting and dismounting are facilitated; a wireless transmission module is integrated on the control circuit board 16; the inner walls of the main shell body 1 and the auxiliary shell body 2 are provided with heating wires, and the inner walls of the main shell body 1 and the auxiliary shell body 2 are internally provided with a waterproof layer, a heat preservation layer and a sound insulation layer.

Specifically, when the temperature and humidity sensor is used, the sensor can be conveniently mounted and dismounted through the design of the fixing ring 18, the fixing bolt 19, the fixing nut 20 and the mounting seat 21, the wiring terminal 8 is used for electrifying, the temperature and humidity outside can be measured through the temperature and humidity measuring sensing probe 3, air with standard temperature and humidity is sucked through the air pipe 7, heating is carried out through the electric heating wire, the temperature and humidity change value is measured through the temperature and humidity correcting sensing probe 17 and is corrected, and meanwhile, the centrifugal fan blades 14 are driven by the driving motor 11 to rotate, so that the air distribution in the main shell 1 is more uniform, and the calibration precision is effectively improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic temperature and humidity sensor of calibration, includes main casing body (1) and auxiliary housing (2), its characterized in that: the utility model discloses a temperature and humidity measuring device, including main casing (1), auxiliary casing (2), main casing (1), trachea (7), main casing (1), liquid crystal display (6), main casing (1) right-hand member fixed intercommunication, main casing (2) top is equipped with two temperature and humidity sensing probe (3) of measuring, main casing (1) front end is equipped with liquid crystal display (6), main casing (1) right-hand member fixed intercommunication has trachea (7), main casing (1) bottom is equipped with two terminal (8), main casing (1) bottom fixedly connected with protective housing (9), protective housing (9) are located between two terminal (8), main casing (1) bottom fixedly connected with driving motor (11), driving motor (11) are located protective housing (9) inboard, driving motor (11) output end fixedly connected with transmission shaft (12), the fixed cup joint has centrifugal fan blade (14) on transmission shaft (12), auxiliary casing (2) internal fixation joint has control circuit board (16), two measure temperature and humidity sensing probe (3) and control circuit board (16) electric connection, control circuit board (16) bottom electric connection has two temperature and humidity sensing probe of correction (17), two it extends to main casing body (1) in to rectify temperature and humidity sensing probe (17), the fixed cover of main casing body (1) outer end has two retainer plates (18), two the fixed welding of retainer plate (18) rear end has mount pad (21).

2. The temperature and humidity sensor of claim 1, wherein: the top of the auxiliary shell body (2) is provided with two protective caps (5) and two protective caps (5) are all sleeved outside the two temperature and humidity measuring sensing probes (3) and are provided with the protective caps (5), and the protective caps (5) are in threaded connection with the fixed screw bases (4).

3. The temperature and humidity sensor of claim 1, wherein: a plurality of radiating grooves (10) are formed in the bottom of the protective shell (9).

4. The temperature and humidity sensor of claim 1, wherein: the top fixedly connected with fixed axle sleeve (13) in main casing body (1), transmission shaft (12) other end rotates with fixed axle sleeve (13) and pegs graft.

5. The temperature and humidity sensor of claim 1, wherein: a filter screen (15) and an electromagnetic valve are arranged in the air pipe (7).

6. The temperature and humidity sensor of claim 1, wherein: the fixing device is characterized in that a fixing bolt (19) is inserted into the fixing ring (18), a fixing nut (20) is connected to the fixing bolt (19) in a threaded mode, and mounting screw holes (22) are formed in four corners of the mounting base (21).

7. The temperature and humidity sensor of claim 1, wherein: and a wireless transmission module is integrated on the control circuit board (16).

8. The temperature and humidity sensor of claim 1, wherein: the heating wire is arranged on the inner walls of the main shell body (1) and the auxiliary shell body (2), and a waterproof layer, a heat preservation layer and a sound insulation layer are arranged in the inner walls of the main shell body (1) and the auxiliary shell body (2).