CN211013310U

CN211013310U - Handheld temperature measuring instrument

Info

Publication number: CN211013310U
Application number: CN201922456181.XU
Authority: CN
Inventors: 孟范成; 沈文江; 许正伟
Original assignee: Wuxi Duxing Chuanglian Technology Co ltd
Current assignee: Wuxi Duxing Chuanglian Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-14
Anticipated expiration: 2029-12-30

Abstract

The utility model is suitable for a thermoscope technical field provides a hand-held type thermoscope, including detection subassembly and display module, the detection subassembly includes the casing, one side fixedly connected with connecting pipe of casing, the connecting pipe is kept away from one side fixedly connected with detection rod of casing, the detection rod is kept away from one end fixedly connected with temperature measurement sensor of connecting pipe, the outside cover of temperature measurement sensor is equipped with the right angle return bend, the right angle return bend with the detection rod can dismantle the connection, the lateral wall of right angle return bend is equipped with integrated into one piece's outlet pipe; the flaring pipe is arranged at the end part of the right-angle bent pipe, so that water can flow into the inner cavity of the right-angle bent pipe conveniently, and the diameter of the water outlet pipe is set to be smaller than that of the right-angle bent pipe, so that the water inlet speed is higher than the water outlet speed when temperature measurement is carried out, the problem that the temperature measurement sensor is insufficient in water contact and inaccurate in temperature measurement due to the fact that the water flows into the inner cavity of the right-angle bent pipe less or the water flows out faster is effectively avoided.

Description

Handheld temperature measuring instrument

Technical Field

The utility model belongs to the technical field of the thermoscope, especially, relate to a hand-held type thermoscope.

Background

A thermometer is an instrument for measuring temperature. The gauge is one of the thermometric instrument types. Depending on the temperature measuring substance used and the temperature measuring range, there are kerosene thermometers, alcohol thermometers, mercury thermometers, gas thermometers, resistance thermometers, thermocouple thermometers, radiation thermometers, photometric thermometers, bimetallic thermometers, and the like.

The traditional handheld thermometer can cause the problems that the amount of water flowing into the inner cavity of the right-angle elbow is small and the water flowing speed is high when temperature measurement is carried out, so that a temperature measuring sensor is not fully contacted with water, and the temperature measurement is not accurate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hand-held type thermoscope aims at solving traditional hand-held type thermoscope and can appear rivers and go into the right angle return bend inner chamber volume less and rivers go out velocity of speed very fast when carrying out temperature measurement, causes temperature sensor and water contact insufficient, and then causes the unsafe problem of temperature measurement.

The utility model is realized in such a way that the handheld thermometer comprises a detection component and a display component;

the detection assembly comprises a shell, a connecting pipe is fixedly connected to one side of the shell, a detection rod is fixedly connected to one side, away from the shell, of the connecting pipe, a temperature measurement sensor is fixedly connected to one end, away from the connecting pipe, of the detection rod, a right-angle bent pipe is sleeved on the outer side of the temperature measurement sensor and detachably connected with the detection rod, an integrally formed water outlet pipe is arranged on the outer side wall of the right-angle bent pipe and communicated with the right-angle bent pipe, and an integrally formed flared pipe is arranged at one end, away from the detection rod, of the right-angle bent pipe;

the display assembly comprises a backlight display screen, the backlight display screen is fixedly connected with one side wall of the shell, the temperature measuring sensor is electrically connected with a signal amplifying module, the signal amplifying module is electrically connected with an AD conversion module, the AD conversion module is electrically connected with a single chip microcomputer, the signal amplifying module, the AD conversion module and the single chip microcomputer are all fixedly connected with the inner cavity of the shell, the single chip microcomputer is electrically connected with the backlight display screen, one side of the backlight display screen is provided with a starting switch and a key, the starting switch and the key are all fixedly connected with the shell, the starting switch and the key are all electrically connected with the single chip microcomputer, the starting switch is electrically connected with a lithium battery, the lithium battery is fixedly connected with the inner cavity of the shell, the lithium battery is electrically connected with a charging interface, and the charging interface is fixedly connected with the outer side wall of, one side of the shell, which is far away from the connecting pipe, is fixedly connected with a handheld handle.

Preferably, the two sides of the detection rod, which are close to the right-angle elbow, are provided with connecting threaded holes, the inner cavity of each connecting threaded hole is in threaded connection with a connecting bolt, and the connecting bolt is in threaded connection with the right-angle elbow.

Preferably, the outer side of the hand-held handle is fixedly connected with a rubber handle sleeve.

Preferably, a plurality of groups of grooves are uniformly formed in the outer side wall of the rubber handle sleeve.

Preferably, the diameter of the water outlet pipe is smaller than that of the right-angle bent pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a hand-held type thermoscope sets up the flaring pipe through the tip at the right angle return bend, can be convenient for water inflow right angle return bend's inner chamber, sets the diameter that is less than the right angle return bend with the diameter of outlet pipe simultaneously for the velocity of intaking is greater than the velocity of water when carrying out the temperature measurement, and it is less or the velocity of water outflow is very fast to effectively avoid water inflow right angle return bend inner chamber volume, causes temperature measurement sensor and water contact insufficient, and then causes the unsafe problem of temperature measurement.

Drawings

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

FIG. 2 is a cross-sectional view of the right-angle elbow structure of the present invention;

fig. 3 is a schematic block diagram of the present invention.

In the figure: the device comprises a detection component 1, a shell 11, a connecting pipe 12, a detection rod 13, a right-angle bent pipe 14, a connecting bolt 15, a flared pipe 16, a water outlet pipe 17, a temperature measuring sensor 18, a threaded connecting hole 19, a display component 2, a backlight display screen 21, a charging interface 22, a starting switch 23, a key 24, a handheld handle 25, a rubber handle sleeve 26, a groove 27, a signal amplification module 28, an AD conversion module 29, a single chip microcomputer 210 and a lithium battery 211.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: a hand-held thermometer comprises a detection component 1 and a display component 2;

the detection assembly 1 comprises a shell 11, a connecting pipe 12 is fixedly connected to one side of the shell 11, a detection rod 13 is fixedly connected to one side, away from the shell 11, of the connecting pipe 12, a temperature measurement sensor 18 is fixedly connected to one end, away from the connecting pipe 12, of the detection rod 13, a right-angle bent pipe 14 is sleeved on the outer side of the temperature measurement sensor 18, the right-angle bent pipe 14 is detachably connected with the detection rod 13, an integrally-formed water outlet pipe 17 is arranged on the outer side wall of the right-angle bent pipe 14, the water outlet pipe 17 is communicated with the right-angle bent pipe 14, and an integrally-;

the display component 2 comprises a backlight display screen 21, the backlight display screen 21 is fixedly connected with one side wall of the shell 11, the temperature measuring sensor 18 is electrically connected with a signal amplifying module 28, the signal amplifying module 28 is electrically connected with an AD conversion module 29, the AD conversion module 29 is electrically connected with a single chip microcomputer 210, the signal amplifying module 28, the AD conversion module 29 and the single chip microcomputer 210 are all fixedly connected with the inner cavity of the shell 11, the single chip microcomputer 210 is electrically connected with the backlight display screen 21, one side of the backlight display screen 21 is provided with a starting switch 23 and a key 24, the starting switch 23 and the key 24 are all fixedly connected with the shell 11, the starting switch 23 and the key 24 are all electrically connected with the single chip microcomputer 210, the starting switch 23 is electrically connected with a lithium battery 211, the lithium battery 211 is fixedly connected with the inner cavity of the shell 11, the lithium battery 211 is electrically, a hand-held handle 25 is fixedly connected to one side of the housing 11 away from the connecting pipe 12.

In the embodiment, by arranging the temperature measuring sensor 18, the right-angle bent pipe 14 and the water outlet pipe 17, when measuring, the hand-held handle is held, the end part of the right-angle bent pipe 14 is aligned with and hooks the water pipe, so that the water flow flows into the inner cavity of the right-angle bent pipe 14 and contacts with the temperature measuring sensor 18, and finally is discharged from the water outlet pipe 17, the temperature measuring sensor 18 can measure the water flowing into the inner cavity of the right-angle bent pipe 14, the measured signal is amplified and converted by the signal amplifying module 28 and the AD conversion module 29, and finally is transmitted to the single chip microcomputer 210, the corresponding temperature is calculated by the single chip microcomputer 210, and finally is displayed and recorded by the backlight display screen 21, by arranging the flared pipe 16 at the end part of the right-angle bent pipe 14, the water can conveniently flow into the inner cavity of the right-angle bent pipe 14, the problem that the temperature measuring sensor, and then cause the inaccurate problem of temperature measurement, through setting up backlight display 21, can be convenient for carry out the reading to the temperature when using this thermoscope night.

Furthermore, connecting threaded holes 19 are formed in two sides, close to the right-angle bent pipe 14, of the detection rod 13, connecting bolts 15 are connected to inner cavities of the connecting threaded holes 19 in a threaded mode, and the connecting bolts 15 are connected with the right-angle bent pipe 14 in a threaded mode.

In the present embodiment, the bent right angle pipe 14 is connected and fixed to the detection rod 13 by being installed in the connection screw hole 19 and screwed into the inner cavity of the connection screw hole 19 by the connection bolt 15, so that the connection bolt 15 is unscrewed, and the bent right angle pipe 14 can be detached from the detection rod 13 and replaced.

Further, a rubber handle sleeve 27 is fixedly connected to the outer side of the hand-held handle 25.

In this embodiment, the comfort level of the user holding the thermometer can be improved by fitting the rubber grip 27 to the outside of the grip 25.

Furthermore, a plurality of groups of grooves 26 are uniformly formed on the outer side wall of the rubber handle sleeve 27.

In this embodiment, the grooves 26 are uniformly formed on the surface of the rubber handle 27, so that the user can hold the thermometer without easily taking off his/her hand.

Further, the diameter of the water outlet pipe 17 is smaller than that of the right-angle bent pipe 14.

In this embodiment, the diameter of the water outlet pipe 17 is set to be smaller than that of the right-angle bent pipe 14, so that the water inlet speed is greater than the water outlet speed, and then the right-angle bent pipe 14 is ensured to be reserved with a certain amount of water to be in contact with the temperature measuring sensor 18, and the accuracy of temperature measurement is ensured.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, during the measurement, press starting switch 23, hold rubber handle cover 27, aim at the water pipe delivery port with flaring pipe 16, and hook the water pipe with right angle return bend 14, make rivers go into the inner chamber and the contact of temperature measurement sensor 18 of right angle return bend 14, discharge from outlet pipe 17 at last, and enlarge module 28 and AD conversion module 29 through the signal and enlarge and change measured signal, last transmission to singlechip 210, calculate corresponding temperature again by singlechip 210, show by display screen 21 in a poor light at last, if the measuring is income water, just press button 24, make singlechip 210 preserve temperature measurement data, then go to survey an outlet pipe again, press button 24 again after having surveyed the temperature, make singlechip 210 calculate the temperature measurement difference.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A hand-held thermoscope, its characterized in that: comprises a detection component (1) and a display component (2);

the detection assembly (1) comprises a shell (11), one side of the shell (11) is fixedly connected with a connecting pipe (12), one side, far away from the shell (11), of the connecting pipe (12) is fixedly connected with a detection rod (13), one end, far away from the connecting pipe (12), of the detection rod (13) is fixedly connected with a temperature measurement sensor (18), the outer side of the temperature measurement sensor (18) is sleeved with a right-angle bent pipe (14), the right-angle bent pipe (14) is detachably connected with the detection rod (13), the outer side wall of the right-angle bent pipe (14) is provided with an integrally formed water outlet pipe (17), the water outlet pipe (17) is communicated with the right-angle bent pipe (14), and one end, far away from the detection rod (13), of the right-angle bent pipe (14) is provided with;

the display assembly (2) comprises a backlight display screen (21), the backlight display screen (21) is fixedly connected with one side wall of the shell (11), the temperature measuring sensor (18) is electrically connected with a signal amplifying module (28), the signal amplifying module (28) is electrically connected with an AD conversion module (29), the AD conversion module (29) is electrically connected with a single chip microcomputer (210), the signal amplifying module (28), the AD conversion module (29) and the single chip microcomputer (210) are fixedly connected with an inner cavity of the shell (11), the single chip microcomputer (210) is electrically connected with the backlight display screen (21), one side of the backlight display screen (21) is provided with a starting switch (23) and a key (24), the starting switch (23) and the key (24) are fixedly connected with the shell (11), the starting switch (23) and the key (24) are electrically connected with the single chip microcomputer (210), starting switch (23) electric connection has lithium cell (211), lithium cell (211) fixed connection with the inner chamber of casing (11), lithium cell (211) electric connection has the interface (22) that charges, interface (22) fixed connection that charges in the lateral wall of casing (11), casing (11) are kept away from handle (25) are handed to one side fixedly connected with of connecting pipe (12).

2. A hand-held thermometer according to claim 1 wherein: the detection rod (13) is close to two sides of the right-angle bent pipe (14) and is provided with a connection threaded hole (19), the inner cavity of the connection threaded hole (19) is in threaded connection with a connection bolt (15), and the connection bolt (15) is in threaded connection with the right-angle bent pipe (14).

3. A hand-held thermometer according to claim 1 wherein: the outer side of the hand-held handle (25) is fixedly connected with a rubber handle sleeve (27).

4. A hand-held thermometer according to claim 3 wherein: the outer side wall of the rubber handle sleeve (27) is uniformly provided with a plurality of groups of grooves (26).

5. A hand-held thermometer according to claim 1 wherein: the diameter of the water outlet pipe (17) is smaller than that of the right-angle bent pipe (14).