CN213336241U

CN213336241U - Handheld hygrothermograph

Info

Publication number: CN213336241U
Application number: CN202022585842.1U
Authority: CN
Inventors: 段文浩; 顾晨龙
Original assignee: Beijing yanshan electronic equipment factory
Current assignee: Beijing yanshan electronic equipment factory
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-01
Anticipated expiration: 2030-11-10

Abstract

The utility model provides a hand-held hygrothermograph, which comprises a host and a temperature and humidity sensing probe arranged on the host, wherein the host comprises a shell and a control unit arranged in the shell; the utility model discloses a multi-row silica gel air conditioner, including shell outer wall cladding, silica gel cover, interior silica gel material layer, outer silica gel material layer, interior silica gel material layer, the cavity is set up between the silica gel material layer, be provided with polylith silica gel pad in the cavity, adjacent two be provided with the erection space between the silica gel pad, the first bleeder vent of multirow has been seted up on outer silica gel material layer, multirow second bleeder vent has been seted up on interior silica gel material layer surface. The utility model discloses the silica gel cover of cavity is taken to bilayer has the thermal-insulated effect of preferred to it is more accurate to make the temperature and humidity measurement. The utility model discloses simple structure is worth popularizing and applying.

Description

Handheld hygrothermograph

Technical Field

The utility model relates to a hygrothermograph technical field especially relates to a handheld hygrothermograph.

Background

Thermo-hygrometers are often used to measure the temperature and humidity of the environment to determine the environmental conditions of product production or storage. Also applied to the daily life of people. The application is wider. At present, hand-held type hygrothermograph is when using, and the host computer shell leaks in operational environment for a long time, easily receives external environment temperature to influence, and holds and change and make the local temperature of hand-held type hygrothermograph rise, and the detection function of humiture probe isotructure on the shell is comparatively sensitive, consequently, host computer self temperature state easily influences the measurement accuracy of probe structure.

Therefore, a new technical solution is provided to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a handheld hygrothermograph.

The utility model discloses a technical scheme as follows:

a handheld hygrothermograph comprises a host and a temperature and humidity sensing probe installed on the host, wherein the host comprises a shell and a control unit arranged in the shell, the temperature and humidity sensing probe is connected to one end of the shell, the control unit comprises a microprocessor, a storage module, an LCD display module, a communication module and a power supply module, the temperature and humidity sensing probe, the storage module, the LCD display module and the communication module are respectively and electrically connected with the microprocessor, and the temperature and humidity sensing probe, the microprocessor, the storage module, the LCD display module and the communication module are respectively and electrically connected with the power supply module; the surface of the shell is provided with a functional key and an LCD display screen in the LCD display module, and the functional key is electrically connected with the microprocessor;

the outer wall of the shell is coated with a silica gel sleeve, the silica gel sleeve comprises an outer silica gel material layer and an inner silica gel material layer, the edge of the outer silica gel material layer is hermetically connected with the edge of the inner silica gel material layer, the inner silica gel material layer is tightly attached to the surface of the shell, a cavity is arranged between the outer silica gel material layer and the inner silica gel material layer, a plurality of silica gel pads are arranged in the cavity, two ends of each silica gel pad are respectively connected with the outer silica gel material layer and the inner silica gel material layer, a mounting gap is arranged between every two adjacent silica gel pads, the outer silica gel material layer is provided with a plurality of rows of first air holes, and the surface; the silica gel cover is transparent.

The handheld hygrothermograph, wherein, silica gel cover surface opening, the opening part is provided with the handle, the handle both ends respectively with the silica gel cover is connected, the handle is used for filling the opening part, the handle is the silica gel material.

The handheld hygrothermograph, wherein, first bleeder vent with the second bleeder vent is the circular port, the diameter of first bleeder vent is greater than the diameter of second bleeder vent.

The handheld hygrothermograph, wherein, outer silica gel material layer surface is corrugated.

The hand-held hygrothermograph, wherein one end of the shell is connected with CO₂Sensing probe, said CO₂The sensing probe is electrically connected with the microprocessor and the power supply module respectively.

The handheld hygrothermograph, wherein, communication module is bluetooth module.

The handheld hygrothermograph is characterized in that the power supply module is a lithium ion battery.

The utility model discloses beneficial effect: the utility model discloses the silica gel cover of cavity is taken to bilayer has the thermal-insulated effect of preferred to it is more accurate to make the temperature and humidity measurement. The utility model discloses simple structure is worth popularizing and applying.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a sectional structure diagram of the silicone sleeve in the structure of the present invention.

Fig. 3 is a block diagram of the structure and principle structure of the middle control unit of the present invention.

Reference numbers in the figures: 1. a host; 11. a housing; 2. a temperature and humidity sensing probe; 3. a control unit; 31. a microprocessor; 32. a storage module; 33. an LCD display module; 331. an LCD display screen; 34. a communication module; 35. function keys; 4. a silica gel sleeve; 41. an outer silicone material layer; 42. an inner silicone material layer; 43. a cavity; 44. a silica gel pad; 45. a first air vent; 46. a second air hole; 47. a handle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically or electrically connected or may communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The utility model provides a solve above-mentioned technical problem, as shown in fig. 1 and fig. 2, a handheld temperature and humidity meter is provided, include host computer 1 and install the humiture sensing probe 2 on this host computer 1, this host computer 1 includes shell 11 and the control unit 3 of setting in this shell 11, this humiture sensing probe 2 is connected in this shell 11 one end, as shown in fig. 3, this control unit 3 includes microprocessor 31, storage module 32, LCD display module 33, communication module 34 and power module (not drawn in the figure), this humiture sensing probe 2, this storage module 32, this LCD display module 33, this communication module 34 respectively with this microprocessor 31 electric connection, this humiture sensing probe 2, this microprocessor 31, this storage module 32, this LCD display module 33 and this communication module 34 respectively with this power module electric connection; the surface of the housing 11 is provided with a function key 35 and an LCD display screen 331 in the LCD display module 33, and the function key 35 is electrically connected with the microprocessor 31; in this embodiment, the outer wall of the housing 11 is coated with a silica gel sleeve 4, the silica gel sleeve 4 includes an outer silica gel material layer 41 and an inner silica gel material layer 42, the edge of the outer silica gel material layer 41 is connected with the edge of the inner silica gel material layer 42 in a sealing manner, the inner silica gel material layer 42 is tightly attached to the surface of the housing 11, a cavity 43 is disposed between the outer silica gel material layer 41 and the inner silica gel material layer 42, a plurality of silica gel pads 44 are disposed in the cavity 43, two ends of each silica gel pad 44 are respectively connected with the outer silica gel material layer 41 and the inner silica gel material layer 42, a mounting gap is disposed between two adjacent silica gel pads 44, the outer silica gel material layer 41 is provided with a plurality of rows of first air vents 45, and the surface; the silica gel cover 4 is transparent.

The utility model discloses a theory of operation: for preventing that host computer 1 and inside the control unit 3 from easily receiving external environment humiture influence, and appear influencing the technical problem that humiture sensing probe 2 on the host computer 1 measured the accuracy, the utility model discloses in, use silica gel cover 4 parcel outside host computer 1 to isolated host computer 1 with external environment, the bleeder vent has been seted up on the silica gel cover 4 surface of cavity 43 to double-deck and taking, when guaranteeing that silica gel cover 4 has good heat-insulating effect, make silica gel cover 4 have the ventilative effect of heat dissipation. When the host computer 1 is held by the hand, the surface deformation of the silica gel sleeve 4 can improve the gripping force of the hand to the host computer 1, thereby not only meeting the use comfort, but also being more beneficial to improving the use safety and reducing or preventing the phenomenon that the hygrothermograph falls when in use. The worker can observe and operate the function keys 35 and the like on the main body 1 on the surface of the transparent silica gel sleeve 4.

If host computer 1 is bulky, and under the great service environment of humidity, be unfavorable for people's hand gripping host computer 1, consequently, in this embodiment, 4 surface openings of this silica gel cover, this opening part is provided with handle 47, and this handle 47 both ends are connected with this silica gel cover 4 respectively, and this handle 47 is used for filling in this opening part, and this handle 47 is the silica gel material. The handle 47 can be lifted by a human hand for lifting the main body 1 to work in a working environment.

In order to increase the heat insulation effect and the heat dissipation and ventilation effect, the first ventilation hole 45 and the second ventilation hole 46 are circular holes, and the diameter of the first ventilation hole 45 is larger than that of the second ventilation hole 46. The purpose of the small diameter of the second air hole 46 is to reduce the heat transfer from the outside on the surface of the shell 11 of the host 1; the first vent hole 45 has a large diameter in order to increase the amount of exhaust air to rapidly dissipate heat.

In order to increase the gripping stability of the human hand on the housing 11 of the main unit 1, in a further embodiment, the surface of the outer silicone material layer 41 is corrugated.

In a further embodiment, the housing 11 is connected at one end to CO₂Sensing probe (not shown), the CO₂The sensing probe is electrically connected with the microprocessor 31 and the power supply module respectively. The purpose of this structural arrangement is to be able to detect the carbon dioxide gas content in the air, the object of use being generally the working environment of a factory with high ventilation requirements. This structure is prior art and will not be described further herein.

In practical application, the microprocessor 31 may be a Loongson LS1B chip, which has an LCD display interface, a network card chip interface, a D/A conversion chip interface, a 485 chip interface, and various general purpose buses and GPIO interfaces. Wherein, the universal bus comprises SPI, IIC, UART and the like and is used for connecting the temperature and humidity sensing probe 2 and CO₂The sensing probe is not limited to the above two probes, of course. The Loongson LS1B has the main frequency of 200MHz, the SDRAM capacity of 128MB and the FLASH capacity of 64MB, and an embedded Linux operating system is operated, so that the functional requirements of environment monitoring series transmitters can be completely met. The memory module 32 may be a Synchronous Dynamic Random Access Memory (SDRAM). The LCD display screen 331 can be used to display the temperature value, the humidity value, the measurement time (including date and time) and the like (provided by the storage module 32) measured by the temperature and humidity sensing probe 2, whether the communication module 34 is connected with other devices, the electric quantity of the host 1 and the likeAnd (4) information. The function keys 35 on the surface of the housing 11 of the host 1 can be used for setting time adjustment and data reading multiplexing, that is, the time can be adjusted before measurement, that is, the time can be set, the measurement data can be viewed retrospectively after measurement, and several other functions, such as but not limited to a power on/off key, a storage key and a Reset key lamp, as a general knowledge, these function keys 35 are electrically connected with the microprocessor 31.

In this embodiment, the communication module 34 is a Bluetooth module, and in practical application, the Bluetooth module is an HC-05 Bluetooth serial communication module, which is a data transmission module based on Bluetooth Specification V2.0 with EDR Bluetooth protocol. The wireless working frequency band is 2.4GHz ISM, and the modulation mode is GFSK. The maximum transmitting power of the module is 4dBm, the receiving sensitivity is-85 dBm, and the distance communication of 10 meters can be realized by an onboard PCB antenna. The HC-05 module is used to replace the physical wiring in full duplex communication. The equipment on the left sends serial data to the module, and the RXD port of the module automatically sends the data to the air in a radio wave mode after receiving the serial data. This structure is prior art and will not be described further herein.

In this embodiment, the power supply module is a lithium ion battery. In practical application, a DC12V/4800mAh lithium ion battery is selected to support charging and discharging.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. A handheld hygrothermograph is characterized by comprising a host and a temperature and humidity sensing probe installed on the host, wherein the host comprises a shell and a control unit arranged in the shell, the temperature and humidity sensing probe is connected to one end of the shell, the control unit comprises a microprocessor, a storage module, an LCD display module, a communication module and a power supply module, the temperature and humidity sensing probe, the storage module, the LCD display module and the communication module are respectively and electrically connected with the microprocessor, and the temperature and humidity sensing probe, the microprocessor, the storage module, the LCD display module and the communication module are respectively and electrically connected with the power supply module; the surface of the shell is provided with a functional key and an LCD display screen in the LCD display module, and the functional key is electrically connected with the microprocessor;

2. The handheld hygrothermograph according to claim 1, wherein the surface of the silica gel sleeve is open, a handle is arranged at the opening, two ends of the handle are respectively connected with the silica gel sleeve, the handle is used for filling the opening, and the handle is made of silica gel.

3. The hand-held thermo-hygrometer of claim 1 wherein the first vent and the second vent are both circular holes, the first vent having a diameter greater than the second vent.

4. The hand-held thermo-hygrometer of claim 1, wherein the outer layer of silicone material is corrugated.

5. The hand-held thermo-hygrometer of claim 1, wherein the housingOne end is connected with CO₂Sensing probe, said CO₂The sensing probe is electrically connected with the microprocessor and the power supply module respectively.

6. The hand-held thermo-hygrometer of claim 1, wherein the communication module is a bluetooth module.

7. The hand-held thermo-hygrometer of claim 1, wherein the power module is a lithium ion battery.