CN213274629U

CN213274629U - Thermistor module and electronic thermometer

Info

Publication number: CN213274629U
Application number: CN202022331936.6U
Authority: CN
Inventors: 黄兵; 方美松; 莫迎春; 顾晨; 洪本跃; 臧朝忠
Original assignee: Shenzhen Alicn Medical Co ltd
Current assignee: Shenzhen Alicn Medical Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-05-25
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a thermistor module and electrothermometer, wherein, the thermistor module mainly by the metal conducting strip and with the thermistor that the metal conducting strip is connected constitutes, be provided with the lead wire on the thermistor. The utility model discloses in, through inciting somebody to action thermistor with the metal conducting strip carries out the modularization and combines to form the thermistor module, can reduce the equipment error of this electronic clinical thermometer, and is also more convenient during the equipment, simultaneously, can also improve thermistor with heat conductivility between the metal conducting strip to improved the measuring speed and the efficiency of this electronic clinical thermometer, this thermistor module simple structure easily realizes, and the practicality is high.

Description

Thermistor module and electronic thermometer

Technical Field

The utility model relates to a temperature detect technical field, concretely relates to thermistor module and electrothermometer.

Background

The temperature information of the human body is the most basic and important physiological information of the human health, has very important significance for preventing diseases and detecting illness states, and is detected by a thermometer at any time when the human body feels uncomfortable.

At present, the clinical thermometers commonly used in hospitals mainly comprise three types of mercury thermometers, electronic thermometers and infrared thermometers. The mercury thermometer is widely applied clinically, has the advantages of convenience in use and high precision, but is fragile, the waiting time of the external mercury thermometer for measuring the body temperature is long, the external mercury thermometer is inconvenient to use for critical patients, infants and the like, and the reading is not visual; the infrared thermometer adopts non-contact measurement, and the speed measurement is faster, but detects the precision not high, can not accurate reflection human body temperature.

The thermistor and the metal heat conducting sheet in the existing electronic thermometer are mostly of single structures, the thermistor and the metal heat conducting sheet are connected through the heat conducting medium for heat transfer during assembly of the electronic thermometer, the assembly mode is complex in process and large in error, and meanwhile the performance of the heat conducting medium seriously restricts the measurement effect of the existing electronic thermometer, so that the speed is low, the efficiency is low during body temperature measurement, and the working strength is increased.

Thus, there is a need for improvements and enhancements in the art.

Disclosure of Invention

In view of the foregoing prior art, an object of the present invention is to provide a thermistor module and an electronic thermometer, which combine a thermistor and a metal heat-conducting strip in a modular manner, and can reduce the assembly error of the electronic thermometer and improve the heat-conducting performance thereof, thereby improving the measurement speed and efficiency.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the thermistor module mainly comprises a metal heat-conducting strip and a thermistor connected with the metal heat-conducting strip, wherein a lead is arranged on the thermistor.

The thermistor module is characterized in that the metal heat conducting sheet is further connected with a circuit board, the circuit board is electrically connected with the lead, and the circuit board is provided with a contact pin.

The thermistor module is characterized in that the thermistor and the metal heat conducting sheet are connected through a graphene film.

The thermistor module is characterized in that the thermistor is fixed on the metal heat conducting sheet through epoxy resin encapsulation.

The thermistor module is characterized in that the thermistor is an NTC thermistor.

An electronic thermometer comprising:

a housing;

a circuit main board disposed in the housing;

the power supply is arranged on the circuit main board;

a tail cap coupled to the housing; and

and the thermistor module is connected with the circuit main board, wherein the thermistor module is any one of the thermistor modules.

The electronic thermometer is characterized in that the circuit main board is at least connected with two thermistor modules.

Compared with the prior art, the utility model provides a thermistor module and electronic thermometer, wherein, the thermistor module mainly by the metal conducting strip and with the thermistor that the metal conducting strip is connected constitutes, be provided with the lead wire on the thermistor. The utility model discloses in, through inciting somebody to action thermistor with the metal conducting strip carries out the modularization and combines to form the thermistor module, can reduce the equipment error of this electronic clinical thermometer, and is also more convenient during the equipment, simultaneously, can also improve thermistor with heat conductivility between the metal conducting strip to improved the measuring speed and the efficiency of this electronic clinical thermometer, this thermistor module simple structure easily realizes, and the practicality is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a thermistor module according to an embodiment of the present invention.

Fig. 2 is an exploded view of a thermistor module according to an embodiment of the present invention.

Fig. 3 is an exploded view of an electronic thermometer according to an embodiment of the present invention.

Reference numerals: 1. thermistor module, 11, metal conducting strip, 12, thermistor, 121, lead wire, 13, circuit board, 131, contact pin, 2, shell, 3, circuit board, 31, plug cylinder, 4, power, 5, tail-hood.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", 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 simplification of description, but do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

In the description of the present invention, the terms "comprising," "including," "having," "containing," and the like, as used herein, are open-ended terms that mean including, but not limited to. Reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is for illustrative purposes to illustrate the implementation of the present application, and the sequence of steps is not limited and can be adjusted as needed.

Various non-limiting embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-2, the present invention provides a thermistor module, wherein the thermistor module mainly comprises a metal heat-conducting strip 11 and a thermistor 12 connected to the metal heat-conducting strip 11, and the thermistor 12 is provided with a lead 121.

Specifically, thermistor 12 with metal conducting strip 11 direct contact is connected, can improve thermistor 12 with heat conductivility between the metal conducting strip 11 to improve the measuring speed and the efficiency of electrothermometer, simultaneously, thermistor 12 with metal conducting strip 11 direct contact is connected and is carried out the modularization and combine and form the thermistor module, and the error when just so can reducing the electrothermometer equipment, and is also more convenient during the equipment, and this thermistor module simple structure easily realizes, and the practicality is high. Further, the lead 121 is used for connecting a main board of the electronic thermometer for signal conduction.

Further, in some embodiments of the present invention, the thermistor module further includes a circuit board 13 connected to the metal heat-conducting strip 11, the circuit board 13 is electrically connected to the lead 121, and the circuit board 13 is provided with a contact pin 131.

Specifically, the circuit board 13 supports the thermistor 12 and conducts signals, the electrical signals conducted by the thermistor 12 are conducted to the circuit board 13 through the lead 121, the circuit board 13 conducts the electrical signals to the pin 131, and the pin 131 conducts the electrical signals to the connected electronic thermometer main board. In these embodiments, the metal heat conducting strip 11, the thermistor 12, the lead 121, the circuit board 13 and the contact pin 131 are combined in a modularized manner to form the thermistor module, so that the number of parts is reduced during the assembly of the electronic thermometer, and the assembly error is reduced, thereby improving the measurement speed and precision of the electronic thermometer, simplifying the production process, improving the speed and efficiency during the assembly, reducing the working strength, and creating more benefits for enterprises.

Further, in an embodiment, the thermistor module is characterized in that the thermistor 12 and the metal heat conducting sheet 11 are connected through a graphene film.

Specifically, the graphene has the characteristics of good strength, flexibility, electric conduction and heat conduction and the like, is a material with the highest heat conduction coefficient so far, and has very good heat conduction performance, so that the thermal resistor 12 and the metal heat conduction sheet 11 are connected by arranging the graphene film, the heat conduction between the thermal resistor 12 and the metal heat conduction sheet can be increased, the heat conduction efficiency is improved, the heat conduction performance and the efficiency of the thermal resistor module are improved, the measurement speed and the measurement efficiency of the electronic thermometer are improved, and the graphene is a technical innovation and a leap in the technical field of temperature detection, and has great significance.

In some embodiments of the present invention, the thermistor module, wherein the thermistor 12 is fixed on the metal heat conducting strip 11 by epoxy resin encapsulation.

Specifically, the epoxy may add substantial physical protection to the thermistor 12, while it also acts as an electrical insulator.

In some embodiments of the present invention, the thermistor module, wherein the thermistor 12 is an NTC thermistor.

Based on the thermistor module that above-mentioned embodiment provided, please refer to fig. 3, the utility model also provides an electronic thermometer, including:

a housing 2;

a circuit main board 3 disposed in the housing 2;

a power supply 4 disposed on the circuit main board 3;

a tail cap 5 connected to the housing 2; and

and a thermistor module 1 connected to the circuit board 3, wherein the thermistor module 1 is a thermistor module as described in any one of the above paragraphs.

It will be appreciated by those skilled in the art that FIG. 3 only shows some of the components of the electronic thermometer, which may include more or fewer components than shown, or some components in combination, or have a different arrangement of components, so long as normal use of the electronic thermometer is not affected.

Specifically, the thermistor module 1 provided by the embodiment is adopted for preparing the electronic thermometer, so that the process flow of the electronic thermometer during assembly is reduced, the speed and the efficiency during assembly are improved, the working strength is reduced, the production cost of the electronic thermometer is reduced, meanwhile, the measurement precision of the electronic thermometer is higher, the speed during measurement is higher, the efficiency is higher, the electronic thermometer is more easily accepted by a user, and the requirement in actual use is met.

Preferably, in one embodiment, the circuit main board 3 of the electronic thermometer is provided with an insertion barrel 31, the insertion barrel 31 is used for connecting the insertion pin 131, and when the electronic thermometer is assembled, the insertion pin 131 is embedded in the insertion barrel 31, so that the connection mode is convenient and fast, the assembly error is reduced, and the production efficiency is improved.

Further, in some embodiments of the present invention, the electronic thermometer is characterized in that the circuit board 3 is connected to at least two thermistor modules 1.

Further, preferably, in an embodiment, the two thermistor modules 1 connected to the circuit board 3 are symmetrically installed on two sides of the housing 2, so that the situation that the existing electronic thermometer is only provided with a single thermistor is changed, and the two thermistor modules 1 are matched for measurement, so that the measurement is more accurate.

To sum up, the utility model provides a thermistor module and electronic thermometer, wherein, the thermistor module mainly by the metal conducting strip and with the thermistor that the metal conducting strip is connected constitutes, be provided with the lead wire on the thermistor. The utility model discloses in, through inciting somebody to action thermistor with the metal conducting strip carries out the modularization and combines to form the thermistor module, can reduce the equipment error of this electronic clinical thermometer, and is also more convenient during the equipment, simultaneously, can also improve thermistor with heat conductivility between the metal conducting strip to improved the measuring speed and the efficiency of this electronic clinical thermometer, this thermistor module simple structure easily realizes, and the practicality is high.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The thermistor module is characterized by mainly comprising a metal heat-conducting sheet (11) and a thermistor (12) connected with the metal heat-conducting sheet (11), wherein a lead (121) is arranged on the thermistor (12).

2. The thermistor module according to claim 1, characterized in that a circuit board (13) is further connected to the metal heat-conducting strip (11), the circuit board (13) is electrically connected to the leads (121), and pins (131) are arranged on the circuit board (13).

3. Thermistor module according to claim 1 or 2, characterized in that the thermistor (12) and the metallic heat-conducting sheet (11) are connected by a graphene film.

4. A thermistor module according to claim 1 or 2, characterized in that the thermistor (12) is fixed to the metal heat-conducting plate (11) by means of epoxy encapsulation.

5. Thermistor module according to claim 1 or 2, characterized in that the thermistor (12) is an NTC thermistor.

6. An electronic thermometer comprising:

a housing (2);

a circuit main board (3) arranged in the shell (2);

a power supply (4) arranged on the circuit main board (3);

a tail cap (5) connected to the housing (2); and

thermistor module (1) connected to the circuit board (3), characterized in that the thermistor module (1) is a thermistor module according to any of claims 1 to 5.

7. The electronic thermometer according to claim 6, characterized in that at least two thermistor modules (1) are connected to the circuit board (3).