CN212513355U - Temperature detection device - Google Patents

Abstract

The utility model provides a temperature detection device, which is used for detecting the temperature of an environment to be detected and comprises a shell, a temperature detection device and a temperature detection device, wherein the shell is provided with a containing cavity; the circuit board is arranged in the accommodating cavity; a first temperature detecting member; and the second temperature detection piece is electrically connected with the circuit board respectively, the first temperature detection piece is used for detecting the temperature of the environment to be detected, the second temperature detection piece is used for detecting the temperature of the first temperature detection piece, and the actual temperature value of the environment to be detected is obtained by calculation based on the temperature value detected by the first temperature detection piece and the temperature value detected by the second temperature detection piece. Compared with the traditional temperature detection device, the temperature detection result of the temperature detection device is more accurate.

Description

Temperature detection device

Technical Field

The utility model relates to a temperature detect field further relates to a temperature-detecting device, wherein temperature-detecting device is particularly useful for the vehicle.

Background

Along with the development of science and technology, the automobile industry has obtained very big development, and more vehicles walk into people's life of a day, become the indispensable instrument of people's trip, have brought very big facility for people's life. People spend most of the time in the vehicle in one day, such as driving on the way to work, driving on the way to travel by oneself, etc., so the use experience of people is influenced by the environment in the vehicle.

The temperature in the vehicle is a key factor influencing the experience degree of the people in the vehicle, the riding experience of the people in the vehicle can be influenced when the temperature is too high or too low, and the people in the vehicle can have a better riding experience only when the temperature in the vehicle is within a proper range.

Further, the emotion of a vehicle driver is influenced no matter the vehicle driver drives the vehicle at a higher temperature or a lower temperature, and particularly, in the process that the vehicle driver drives the vehicle at a high speed, a great potential safety hazard is caused by slight emotion fluctuation of the vehicle driver, so that the great potential safety hazard is caused to the vehicle driver and passengers in the vehicle.

It is understood that the temperature detection of the vehicle interior is a necessary process to control the temperature of the vehicle interior within a proper temperature range, and the temperature of the vehicle interior can be accurately controlled within a proper temperature range only on the premise of accurately detecting the temperature of the vehicle interior.

It is to be noted, however, that in the context of automotive air conditioning, the temperature of the vehicle interior is measured by a forced air system, which consists of a ventilation motor and a temperature sensor. Air inside the vehicle is drawn in by a ventilation motor installed in the climate control unit and is delivered to the temperature sensor through a ventilation duct.

The temperature sensor is thermally isolated from the circuit board and other components of the controller to avoid interference. Forced convection through the ventilation motor causes the temperature sensor to detect the temperature of the incoming air from the vehicle interior. On the one hand, the operation of the ventilation motor generates large noise, and on the other hand, particulate matters in the air enter the surface of the temperature sensor and accumulate on the temperature sensor, thereby affecting the accuracy of the detection result of the temperature sensor.

Therefore, in order to improve the detection accuracy of the vehicle interior temperature, an improvement is made in the temperature detection device of the vehicle interior.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a temperature-detecting device compares with traditional temperature-detecting device, the utility model provides a temperature-detecting device's temperature measurement precision is high.

Another object of the utility model is to provide a temperature-detecting device, wherein temperature-detecting device can carry out twice at least temperature measurement to the heat in proper order in heat transfer process, calculates the ambient temperature that awaits measuring based on the temperature value that twice at least temperature measurement measured, and measurement accuracy is high.

Another object of the present invention is to provide a temperature detecting device, wherein the temperature detecting device includes a first temperature detecting element and a second temperature detecting element, wherein the external heat can loop through the first temperature detecting element and the second temperature detecting element, and quilt the first temperature detecting element and the second temperature detecting element detect, so as to improve the accuracy of the temperature detection.

Another object of the present invention is to provide a temperature detecting device, wherein the temperature detecting device further comprises a heat conducting member, the heat conducting member is located between the first temperature detecting member and the second temperature detecting member, and is used for the heat to be in the first temperature detecting member and the transmission between the second temperature detecting member, so as to avoid the heat loss and improve the temperature detecting precision.

Another object of the present invention is to provide a temperature detecting device, wherein the temperature detecting device further comprises a heat conducting member, the heat conducting member is disposed between the first temperature detecting member and the second temperature detecting member, for preventing the external heat from interfering with the heat transferred between the first temperature detecting member and the second temperature detecting member, thereby improving the accuracy of the temperature detection.

Another object of the present invention is to provide a temperature detecting device, wherein the temperature detecting device has a simple structure and is convenient to manufacture.

Correspondingly, in order to realize above at least one utility model purpose, the utility model provides a temperature-detecting device for detect the temperature of an environment that awaits measuring, temperature-detecting device includes:

a housing having a receiving cavity;

the circuit board is arranged in the accommodating cavity;

a first temperature detecting member; and

and the second temperature detection piece is electrically connected with the circuit board respectively, is used for detecting the temperature of the environment to be detected, is used for detecting the temperature of the first temperature detection piece, and is used for calculating and obtaining the actual temperature value of the environment to be detected based on the temperature value detected by the first temperature detection piece and the temperature value detected by the second temperature detection piece.

In some preferred embodiments of the present invention, the temperature detecting device further comprises a heat conducting member, the heat conducting member is disposed between the first temperature detecting member and the second temperature detecting member, for enabling heat to be transferred from the first temperature detecting member to the second temperature detecting member.

In some preferred embodiments of the present invention, the circuit board has a detection portion and a connection portion, and the first temperature detection member and the second temperature detection member are disposed in the detection portion.

In some preferred embodiments of the present invention, the heat conducting member includes a first heat conducting element, the first heat conducting element covers the front surface of the detecting portion, wherein the second temperature detecting member is disposed on the front surface of the detecting portion, and the second temperature detecting member is disposed between the first heat conducting element and the detecting portion.

In some preferred embodiments of the present invention, the heat conducting member has a package chamber, and the detection portion of the circuit board is located in the package chamber.

In some preferred embodiments of the present invention, the heat conducting member further includes a first heat conducting element and a second heat conducting element, the first heat conducting element and the second heat conducting element form the package cavity therebetween, and the detection portion of the circuit board is located between the first heat conducting element and the second heat conducting element.

In some preferred embodiments of the present invention, the first heat conducting element and the second heat conducting element are integrally formed.

In some preferred embodiments of the present invention, the heat conducting member further includes a connecting member, and the first heat conducting member and the second heat conducting member are connected at their corresponding ends by the connecting member.

In some preferred embodiments of the present invention, the connecting member further has a mounting passage, the mounting passage communicates with the package chamber, and the first temperature detecting member is provided in the mounting passage.

In some preferred embodiments of the present invention, the heat conducting member further includes a set of fixing elements for fixing the first heat conducting element and the second heat conducting element to the circuit board.

In some preferred embodiments of the present invention, the first heat conducting element has a first fixing portion, the second heat conducting element has a second fixing portion, the circuit board has an extension portion, and the fixing element fixes the first fixing portion and the second fixing portion to the extension portion.

In some preferred embodiments of the present invention, the fixing member includes a set of fixing bars, the circuit board has a set of fixing holes, the fixing bars pass through the fixing holes, and one end of the fixing bar is connected to the first fixing portion and the other end is connected to the second fixing portion.

In some preferred embodiments of the present invention, the fixing hole is located at the extension portion.

In some preferred embodiments of the present invention, the temperature detecting device further includes a light intensity detecting member electrically connected to the circuit board.

In some preferred embodiments of the present invention, the light intensity detecting member is integrated with the first temperature detecting member.

In some preferred embodiments of the present invention, the temperature detecting device further comprises a connector, one end of the connector is electrically connected to the circuit board, and the other end is adapted to be electrically connected to an external circuit.

In some preferred embodiments of the present invention, the housing further has a detection channel, the detection channel is communicated with the accommodating cavity, the first temperature detection element is disposed in the detection channel, and at least a part of the detection area of the first temperature detection element penetrates through the detection channel and is communicated with the outside.

In some preferred embodiments of the present invention, the temperature detecting device further comprises a connector, one end of the connector is electrically connected to the circuit board, and the other end is adapted to be electrically connected to an external circuit.

In some preferred embodiments of the present invention, the housing further has a plug cavity, and the other end of the plug member extends into the plug cavity.

In some preferred embodiments of the present invention, the housing further comprises a partition, the receiving cavity and the plugging cavity are respectively located at two sides of the partition, the partition has a plugging through hole, the plugging through hole communicates with the receiving cavity and the plugging cavity, and the plugging member passes through the plugging through hole.

In some preferred embodiments of the present invention, the temperature detecting device further includes a mounting member, the mounting member is disposed on the housing, and the mounting member is used for cooperating with an external object to fix the housing.

In some preferred embodiments of the present invention, the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of a vehicle interior space.

Other objects and advantages of the present invention will be further apparent from the following detailed description and claims.

Drawings

Fig. 1 is a schematic view of the overall structure of a temperature detection device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of a temperature detection device according to a preferred embodiment of the present invention.

Fig. 3 is an exploded view of a temperature detection device according to a preferred embodiment of the present invention.

Fig. 4 is an exploded view of a temperature detection device according to a preferred embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a first modified embodiment of the temperature detection device according to a preferred embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a second modified embodiment of the temperature detection device according to a preferred embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an application of the temperature detection device according to a preferred embodiment of the present invention.

Fig. 8 is a schematic view of the overall structure of a temperature detection device according to a second preferred embodiment of the present invention.

Fig. 9 is a schematic sectional view of a temperature detection device according to a second preferred embodiment of the present invention.

Fig. 10 is an exploded view schematically illustrating a temperature sensing device according to a second preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1 to 7 of the specification, a temperature detecting device 100 according to the present invention is illustrated. The utility model provides a temperature-detecting device 100 is suitable for being applied to the vehicle for detect the inside temperature of vehicle. It should be noted that, compare with traditional temperature-detecting device, the utility model provides a temperature-detecting device 100 can detect the inside temperature of vehicle accurately to personnel in the vehicle can know the inside temperature information of vehicle accurately, simultaneously, provide the support of temperature data for controlling the inside temperature of vehicle accurately.

It should be noted that, in the present preferred embodiment, the temperature detecting device 100 is used for a vehicle as an example, and it should be understood by those skilled in the art that, in other preferred embodiments of the present invention, the temperature detecting device 100 can also be used in other application scenarios.

Specifically, the temperature detecting device 100 includes a housing 10, a circuit board 20, a first temperature detecting element 30 and a second temperature detecting element 40, wherein the housing 10 has a receiving cavity 11, the circuit board 20 is disposed in the receiving cavity 11, the first temperature detecting element 30 and the second temperature detecting element 40 are electrically connected to the circuit board 20, and the first temperature detecting element 30 and the second temperature detecting element 40 are respectively adapted to detect temperature data. Wherein first temperature detection piece 30 is used for detecting the temperature of external environment, second temperature detection piece 40 is used for detecting the temperature of first temperature detection piece 30, based on the temperature value that first temperature detection piece 30 detected with the temperature value that second temperature detection piece 40 detected can calculate the actual temperature value who obtains the environment that awaits measuring. The circuit board 20 is adapted to be electrically connected to an external circuit for providing power to the first temperature detecting member 30 and the second temperature detecting member 40. On the other hand, the temperature data detected by the first temperature detecting member 30 and the second temperature detecting member 40 is transmitted to the outside through the circuit board 20.

It should be noted that, when the temperature detecting device 100 is installed in a vehicle 200, the heat inside the vehicle 200 sequentially passes through the first temperature detecting element 30 and the second temperature detecting element 40, and the temperature inside the vehicle 200 is calculated and obtained based on the temperatures detected by the first temperature detecting element 30 and the second temperature detecting element 40.

Specifically, the first temperature detection member 30 and the second temperature detection member 40 are respectively provided to the circuit board 20, and the circuit board 20 is provided to support the first temperature detection member 30 and the second temperature detection member 40. In other preferred embodiments of the present invention, the first temperature detecting element 30 and the second temperature detecting element 40 can also be disposed on the housing 10, and the housing 10 can support the first temperature detecting element 30 and/or the second temperature detecting element 40. In other preferred embodiments of the present invention, the first temperature detecting element 30 and the second temperature detecting element 40 can also be disposed in other components of the temperature detecting device 100 as long as the objects of the present invention can be achieved, and the specific disposition position of the first temperature detecting element 30 and the second temperature detecting element 40 should not constitute a limitation of the present invention.

Further, there is a predetermined distance between the first temperature detecting member 30 and the second temperature detecting member 40, so that the temperatures detected by the first temperature detecting member 30 and the second temperature detecting member 40 have a certain difference, so as to calculate the real temperature of the inside of the vehicle 200.

Specifically, the heat inside the vehicle 200 is first transferred through the first temperature detection member 30, a temperature value T1 is obtained by detection of the first temperature detection member 30, then the heat is transferred from the first temperature detection member 30 to the second temperature detection member 40 in the direction of the first temperature detection member 30 toward the second temperature detection member 40, a temperature value T2 is obtained by detection of the second temperature detection member 40, and then an actual temperature value T of the interior space of the vehicle 200 is calculated and obtained based on the temperature values T1 and T2.

Preferably, the first temperature detecting member 30 and the second temperature detecting member 40 are temperature sensors, respectively.

Further, at least a part of the detection area of the first temperature detection element 30 is not shielded by the housing 10, and at least a part of the detection area of the first temperature detection element 30 can be directly contacted with the external environment, so that the loss of the heat transfer process is reduced, and the accuracy of the temperature detection result in the vehicle is improved.

Specifically, the housing 10 has a detection through hole 12, the shape and size of the detection through hole 12 are adapted to the shape and size of the first temperature detection member 30, and the first temperature detection member 30 is disposed in the detection through hole 12. On the one hand, at least a part of the detection area of the first temperature detection member 30 can be in contact with the external environment through the detection through hole 12, so as to improve the accuracy of the temperature detection result. On the other hand, when the first temperature detection member 30 is disposed in the detection through hole 12 of the housing 10, the housing 10 can provide support for the first temperature detection member 30, so as to improve stability of the first temperature detection member 30.

It should be understood by those skilled in the art that the first temperature detecting element 30 can directly contact with the external environment through the detecting through hole 12, and when the temperature detecting device 100 is disposed in the vehicle 200, the first temperature detecting element 30 can directly contact with the internal space environment of the vehicle 200, so as to reduce the loss in the heat transferring process.

The second temperature detecting element 40 is located in the accommodating cavity 11 of the housing 10, and after the heat passes through the first temperature detecting element 30 and is detected by the first temperature detecting element 30 to obtain the temperature value T1, the heat continues to be transferred to the second temperature detecting element 40, and the second temperature detecting element 40 performs the second temperature detection to obtain the temperature value T2.

It will be understood by those skilled in the art that the heat in the interior space of the vehicle 200 is lost in the process of transferring to the first temperature detection member 30 and being detected by the first temperature detection member 30, that is, the temperature value detected by the first temperature detection member 30 is not the actual temperature value of the interior space of the vehicle 200. In the process of transferring heat from the first temperature detecting member 30 to the second temperature detecting member 40, a certain loss of heat may occur, that is, the value of the temperature value T2 detected by the second temperature detecting member 40 is smaller than the value of the temperature value T1 detected by the first temperature detecting member 30. The utility model discloses a temperature value T1 temperature value T2, heat are transferred extremely by the external world the calorific loss coefficient and the heat of first temperature detection piece 30 by first temperature detection piece 30 transmits extremely the calorific loss coefficient of second temperature detection piece 40 calculates obtains this vehicle 200 the actual temperature numerical value of inner space.

It should be further noted that, in the process of detecting the temperature of the second temperature detecting element 40, it is only necessary that the second temperature detecting element 40 detects the temperature of the heat transferred from the first temperature detecting element 30 to the second temperature detecting element 40, and therefore, it is necessary to avoid the interference of the heat of the external environment in the process of detecting the temperature of the second temperature detecting element 40. Therefore, in the preferred embodiment, the second temperature detecting member 40 is disposed in the accommodating cavity 11 of the housing 10, so as to reduce the influence of the heat outside the housing 10 on the detection result of the second temperature detecting member 40.

Referring to fig. 3 and 4 of the specification, further, the temperature detecting apparatus 100 further includes a heat conducting member 50, where the heat conducting member 50 is configured to guide heat from the first temperature detecting member 30 to the second temperature detecting member 40, and reduce external heat from being transferred to the second temperature detecting member 40, so as to reduce interference of the external heat on temperature detection of the second temperature detecting member 40.

Specifically, the heat conduction member 50 covers the first temperature detection member 30 and the second temperature detection member 40, respectively, for transferring heat from the first temperature detection member 30 to the second temperature detection member 40. Further, the heat conduction member 50 covers a portion of the first temperature detection member 30, so that at least a portion of the detection area of the first temperature detection member 30 can be directly in contact with the external environment. The heat conduction member 50 covers the entire detection area of the second temperature detection member 40, so as to prevent the external heat from affecting the temperature detection result of the second temperature detection member 40.

With reference to fig. 3 and 4 of the specification, further, the heat conducting member 50 further includes a first heat conducting element 51 and a second heat conducting element 52, and has a wrapping cavity 53 formed between the first heat conducting element 51 and the second heat conducting element 52. The first heat conducting element 51 and the second heat conducting element 52 of the heat conducting member 50 cover the front surface and the back surface of the circuit board 20, respectively. Note that, in the present preferred embodiment, a side of the circuit board 20 on which the second temperature detecting member 40 is provided is defined as a front side, and a side opposite to the side on which the second temperature detecting member 40 is provided is defined as a back side. Preferably, the first heat conducting element 51 is covered on the front surface of the circuit board 20, and the second heat conducting element 52 is disposed on the back surface of the circuit board 20, so that the second temperature detecting member 40 can be wrapped between the first heat conducting element 51 and the circuit board 20, the efficiency of transferring heat from the first temperature detecting member 30 to the second temperature detecting member 40 is improved, and the interference of external heat on the temperature detection of the second temperature detecting member 40 is avoided.

Further, the circuit board 20 further has a detection portion 21 and a connection portion 22. The first temperature detecting member 30 and the second temperature detecting member 40 are electrically connected to the detecting portion 21 of the circuit board 20, respectively, and the connecting portion 22 of the circuit board 20 is adapted to be electrically connected to an external circuit for providing power to the first temperature detecting member 30 and the second temperature detecting member 40, and on the other hand, for transmitting the detection data of the first temperature detecting member 30 and the second temperature detecting member 40 to the outside.

The first heat conducting element 51 and the second heat conducting element 52 of the heat conducting member 50 are respectively covered on the front surface and the back surface of the detecting part 21 of the circuit board 20 for wrapping the first temperature detecting member 30 and the second temperature detecting member 40.

Specifically, the first temperature detecting member 30 is provided at an end of the detecting portion 21 away from the connecting portion 22, and the second temperature detecting member 40 is provided at an end of the detecting portion 21 adjacent to the connecting portion 22. When the first heat conducting element 51 and the second heat conducting element 52 of the heat conducting member 50 are respectively disposed on the front side and the back side of the detecting portion 21 of the circuit board 20, at least a part of the detecting area of the first temperature detecting member 30 is not shielded for directly contacting with the external environment, and the second temperature detecting member 40 is shielded by the first heat conducting element 51 of the heat conducting member 50 for preventing the external heat from being transferred to the second temperature detecting member 40 and interfering with the temperature detection of the second temperature detecting member 40.

With reference to the description of fig. 3 and 4, the heat-conducting member 50 further comprises a connecting element 54, wherein the connecting element 54 is configured to connect the first heat-conducting element 51 and the second heat-conducting element 52. Specifically, the first heat conducting element 51 and the second heat conducting element 52 are aligned with each other, and the first heat conducting element 51 and the second heat conducting element 52 are adapted in shape and size, corresponding ends of the first heat conducting element 51 and the second heat conducting element 52 are respectively connected to the connecting element 54, and the connecting element 54 is used for connecting and supporting the first heat conducting element 51 and the second heat conducting element 52, so that the wrapping cavity 53 is formed between the first heat conducting element 51 and the second heat conducting element 52.

The connecting element 54 further has a mounting passage 540, and the mounting passage 540 communicates with the packing chamber 53. Preferably, in the preferred embodiment, the connecting element 54 is in the shape of a circular ring and the mounting channel 540 is a circular channel. It will be appreciated by those skilled in the art that in other preferred embodiments of the present invention, the shape of the connecting element 54 can also be other shapes, and the shape of the mounting channel 540 can also be other shapes, as long as the objects of the present invention are achieved, and the particular shapes of the connecting element 54 and the mounting channel 540 should not constitute limitations of the present invention.

The first temperature detection member 30 is disposed in the installation channel 540, and at least a part of the detection area of the first temperature detection member 30 corresponds to an opening of a side of the installation channel 540 away from the package cavity 53, so that at least a part of the detection area of the first temperature detection member 30 can be directly contacted with the external environment.

Preferably, the shape and size of the first temperature detection member 30 are adapted to the shape and size of the installation channel 540, when the first temperature detection member 30 is disposed in the installation channel 540, the first temperature detection member 30 contacts with the inner wall of the installation channel 540, and the inner wall of the installation channel 540 can provide a supporting and stabilizing effect for the first temperature detection member 30.

Further, the connecting member 54 of the heat conductive member 50 is located in the detection through hole 12 of the housing 10. The shape and size of the connecting element 54 are adapted to the shape and size of the detection through hole 12, the outer wall of the connecting element 54 contacts with the inner wall of the detection through hole 12, and the inner wall of the detection through hole 12 can provide a supporting and stabilizing function for the connecting element 54 of the heat conducting member 50. And the heat conduction member 50 extends to the outside of the case 10 through the detection through hole 12 so that at least a part of the detection region of the first temperature detection member 30 can be in contact with the external environment.

The end of the first heat conducting element 51 away from the connecting element 54 has a first fixing portion 511, the end of the second heat conducting element 52 away from the connecting element 54 has a second fixing portion 521, the first fixing portion 511 of the first heat-conducting element 51 and the second fixing portion 521 of the second heat-conducting element 52 correspond in position, and the first fixing portion 511 and the second fixing portion 521 correspond in shape and size, the first fixing portion 511 of the first heat-conducting element 51 and the second fixing portion 521 of the second heat-conducting element 52 are adapted to be connected, the first heat conducting element 51 and the second heat conducting element 52 are fixed on the front side and the back side of the connecting portion 22 of the circuit board 20, so that the stability of the combination of the first heat conducting element 51 and the second heat conducting element 52 with the connecting portion 22 of the circuit board 20 is increased.

Specifically, an end of the first heat conducting element 51 away from the connecting element 54 extends outward to form the first fixing portion 511. Preferably, one end of the first heat conducting element 51 away from the connecting element 54 extends symmetrically to both sides to form the first fixing portion 511. An end of the second heat conducting element 52 away from the connecting element 54 extends outward to form the second fixing portion 521. Preferably, one end of the second heat conducting element away from the connecting element 54 extends symmetrically to both sides to form the second fixing portion 521.

The heat conducting member 50 further comprises a set of fixing elements 55, wherein the fixing elements 55 are configured to connect the first fixing portion 511 of the first heat conducting element 51 and the second fixing portion 521 of the second heat conducting element 52, so as to fixedly connect the first heat conducting element 51 and the second heat conducting element 52 to the detecting portion 21 of the circuit board 20.

Specifically, the fixing element 55 further includes two fixing bars 551, one end of each fixing bar 551 is connected to the first fixing portion 511 of the first heat conducting element 51, the other end is connected to the second fixing portion 521 of the second heat conducting element 52, and a certain distance is kept between the two fixing bars 551, so as to fixedly connect the first fixing portion 511 of the first heat conducting element 51 and the second fixing portion 521 of the second heat conducting element 52 to the connecting portion 22 of the circuit board 20.

Further, the circuit board 20 further has a set of fixing holes 23, and the fixing holes 23 are configured to cooperate with the fixing element 55 to fix the first fixing portion 511 of the first heat conducting element 51 and the second fixing portion 521 of the second heat conducting element 52 to the detecting portion 21 of the circuit board 20.

Specifically, the number of the fixing holes 23 is two, and a predetermined distance is provided between the two fixing holes 23, that is, the two fixing holes 23 are formed on the detecting portion 21 of the circuit board 20 at the predetermined distance.

Further, the shape and size of the fixing holes 23 are adapted to the shape and size of the fixing rods 551, and one fixing rod 551 is disposed in each fixing hole 23. That is, the fixing rod 551 passes through the fixing hole 23, and both ends of the fixing rod 551 are respectively connected to the first fixing portion 511 of the first heat conducting element 51 and the second fixing portion 521 of the second heat conducting element 52, so as to connect the first fixing portion 511 and the second fixing portion 521 to both sides of the connecting portion 22 of the circuit board 20.

The circuit board 20 further has an extension portion 24, and the position of the extension portion 24 corresponds to the shape and size of the first fixing portion 511 of the first heat-conducting element 51 and the second fixing portion 521 of the second heat-conducting element 52, so as to support the first fixing portion 51 of the first heat-conducting element 51 and the second fixing portion 521 of the second heat-conducting element 52. Specifically, one end of the detection portion 21 of the circuit board 20 close to the connection portion 22 extends to both sides to form the extension portion 24.

Preferably, the fixing hole 23 of the circuit board 20 is formed in the extension portion 24 of the circuit board 20 so that the first fixing portion 511 of the first heat-conducting element 51 and the second fixing portion 521 of the second heat-conducting element 52 correspond to each other, so that the first fixing portion 511 of the first heat-conducting element 51 and the second fixing portion 521 of the second heat-conducting element 52 are fixed to the detection portion 21 of the circuit board 20. It should be understood by those skilled in the art that in other preferred embodiments of the present invention, the fixing hole 23 of the circuit board 20 can also be formed at other positions of the circuit board 20, such as the detecting portion 21, the joint between the detecting portion 21 and the extending portion 24, and the like.

Preferably, the heat-conducting member 50 is made of PA glue.

Referring to fig. 5, a first variant of the temperature detecting device 100 according to the present invention is illustrated, in which the heat conducting member 50 includes only one heat conducting element. Preferably, in the first modified embodiment, the heat conduction member 50 includes the first heat conduction element 51, the first heat conduction element 51 is disposed on a side of the circuit board 20 where the second temperature detection member 40 is disposed, and the second temperature detection member 40 is located between the first heat conduction element 51 and the circuit board 20, and the first heat conduction element 51 covers the second temperature detection member 40.

In the first modified embodiment, one end of the first heat-conducting element 51 is connected to the connecting element 54, and the end away from the connecting element 54 is fixed to the circuit board 20 by the fixing element 54. It is understood that an end of the first heat conducting element 51 adjacent to the connecting element 54 can also be fixed to the circuit board 20 by the fixing element 55, so as to increase the stability of the connection between the first heat conducting element 51 and the circuit board 20. It should be understood by those skilled in the art that in other preferred embodiments of the present invention, the first heat conducting element 51 can also be fixedly mounted on the circuit board 20 by other means, such as by glue or the like.

Referring to fig. 6 of the specification, a second variant of the temperature detecting device 100 provided by the present invention is shown, in which the first heat conducting element 51 and the second heat conducting element 52 of the heat conducting member 50 are integrally formed, and the wrapping cavity 53 is formed between the first heat conducting element 51 and the second heat conducting element 52. When the detection portion 21 of the circuit board 20 is disposed in the package cavity 53, the heat conductive member 50 packages the detection portion 21 of the circuit board 20, and the second temperature detection member 50 is located between the heat conductive member 50 and the circuit board 20.

The temperature detecting device 100 further includes a conductive member 60, the conductive member 60 is configured to electrically connect the first temperature detecting member 30 to the detecting portion 21 of the circuit board 20, one end of the conductive member 60 is electrically connected to the circuit board 20, and the other end is electrically connected to the first temperature detecting member 30, so that the first temperature detecting member 30 is electrically connected to the circuit board 20.

Preferably, the conductive member 60 is a set of conductive pins 61, and one end of each conductive pin 61 is electrically connected to the circuit board 20, and the other end of each conductive pin 61 is electrically connected to the first temperature detection member 30, so that the first temperature detection member 30 is electrically connected to the circuit board 20.

Specifically, the circuit board 20 further has a set of conductive vias 25, the conductive vias 25 are formed in the detection portion 21 of the circuit board 20, and at least a portion of the conductive pins 61 is disposed in the conductive vias 25, so that the conductive pins 61 are electrically connected to the circuit board 20. The number of the conductive through holes 25 is adapted to the number of the conductive pins 61, and one conductive pin 61 is disposed in each conductive through hole 25.

Further, one end of the conductive pin 25 away from the first temperature detecting element 30 is bent at a certain angle and is mounted in the conductive through hole 25, so as to increase the stability of the electrical connection between the conductive pin 61 and the circuit board 20.

Specifically, the first temperature detecting element 30 is located in the extending direction of the length of the circuit board 20, so as to reduce the thickness of the temperature detecting device 100.

Accordingly, the conductive pin 61 includes a bending portion 611 and an extending portion 612. Preferably, the bent part 611 and the extended part 612 are integrally formed. The bent portion 611 of the conductive pin 61 is inserted into the conductive through hole 25 of the circuit board 20 and electrically connected to the circuit board 20. The extension portion 612 of the conductive pin 61 is located on the surface of the circuit board 20 and extends outward along the length direction of the circuit board 20, and the extension portion 612 of the conductive pin 61 is electrically connected to the first temperature detection member 30, so that the first temperature detection member 30 is electrically connected to the circuit board 20.

It can be understood that, since the bent portion 611 of the conductive pin 61 is located in the conductive through hole 25, the movement of the conductive pin 61 along the length direction of the circuit board 20 can be blocked, and the conductive pin 61 is prevented from being pulled out along the length direction of the circuit board 20, so that the stability of the connection between the conductive pin 61 and the circuit board 20 can be improved to some extent.

Further, the temperature detection device 100 further includes a light intensity detection member 70, and the light intensity detection member 70 is used for detecting the intensity of the illumination, so that the vehicle can predict the change of the internal temperature of the vehicle based on the change of the intensity of the illumination in the vehicle.

Specifically, the light intensity detecting member 70 is electrically connected to the circuit board 20, an external circuit can provide electric energy to the light intensity detecting member 70 through the circuit board 20, and the illumination intensity data detected by the light intensity detecting member 70 through the circuit board 20 can be transmitted to the outside.

Preferably, the light intensity detecting member 70 is a light sensor.

Preferably, the light intensity detecting member 70 is integrated with the first temperature detecting member 30, so that the volume of the temperature detecting device 100 provided by the present invention can be reduced. The light intensity detection member 70 can be penetrated through the detection through hole 12 is in contact with the external environment, that is, the light intensity detection member 70 can be penetrated through the detection through hole 12 is in contact with external illumination, so that the external illumination intensity can be detected. It should be understood by those skilled in the art that, in other preferred embodiments of the present invention, the light intensity detecting member 70 can also be disposed at other positions of the temperature detecting device 100, as long as the object of the present invention can be achieved, and the specific position of the light intensity detecting member 70 should not constitute the limitation of the present invention.

Preferably, the light intensity detecting member 70 is electrically connected to the circuit board 20 through the conductive member 60. That is, the light intensity detecting member 70 is electrically connected to the circuit board 20 through the conductive pins 61.

The temperature detecting apparatus 100 further includes a connector 80, the connector 80 is electrically connected to the circuit board 20, and the connector 80 is further adapted to be electrically connected to an external circuit, so that the circuit board 20 is electrically connected to the external circuit, so that the external circuit can provide electric energy for the first temperature detecting element 30, the second temperature detecting element 40 and the light intensity detecting element 70 through the circuit board 20.

Specifically, the plug 80 is provided to the connection portion 22 of the circuit board 20. Preferably, the plug-in unit 80 is disposed along a length direction of the circuit board 20. That is to say, the length extending direction of plug connector 80 with the length extending direction of circuit board 20 is unanimous, thereby can reduce the utility model provides a temperature-detecting device 100's thickness, so that reduce the utility model provides an shared thickness space when temperature-detecting device 100 installs.

Preferably, the number of the plug 80 is three, wherein one plug is a positive plug, one plug is a negative plug, and the other plug is a signal transmission terminal.

Further, the housing 10 further has a plug cavity 13, and at least a portion of the plug 80 is located in the plug cavity 13. The end of the housing 10 provided with the plugging chamber 13 is adapted to be combined with external circuit equipment so that the plug 80 located in the plugging chamber 13 can be electrically connected with the external circuit equipment.

The housing 10 further comprises a partition 14, wherein the partition 14 is disposed between the accommodating cavity 11 and the inserting cavity 13 for partitioning the accommodating cavity 11 and the inserting cavity 13. That is, the accommodation chamber 11 and the insertion chamber 13 are located on both sides of the partition body 14, respectively. The plug 80 has one end located in the accommodating cavity 11 and electrically connected to the circuit board 20, and the other end extending into the plug cavity 13 through the partition body 14 and adapted to be electrically connected to an external circuit device.

Further, the partition body 14 further has a set of insertion through holes 140, the insertion through holes 140 communicate the accommodating cavity 11 and the insertion cavity 13, and one end of the insertion element 80 passes through the insertion through holes 140 and extends into the insertion cavity 13.

It should be noted that, in the preferred embodiment, the opening direction of the plugging cavity 13 is the same as the length extending direction of the circuit board 20, so that the temperature detection device 100 can be plugged into an external power device in a plugging manner along the length extending direction of the circuit board 20, and the temperature detection device 100 is conveniently plugged into the external power device.

Specifically, the plug 80 includes a set of conductive pins, one end of the conductive pins is electrically connected to the circuit board 20, and the other end of the conductive pins passes through the plug through hole 140 and extends into the plug cavity 13, so as to be electrically connected to the external power equipment. The number of the conductive pins of the plug 80 is adapted to the number of the plug through holes 140, and the shape of the conductive pins of the plug 80 is adapted to the shape of the plug through holes 140. The partition body 14 separates the accommodating cavity 11 from the inserting cavity 12, so that external particles can be prevented from entering the circuit board 20 in the accommodating cavity 11 through the inserting cavity 13, the influence of the particles on the operation of the circuit board 20 is prevented, and the operation stability of the circuit board 20 is ensured.

Referring to the drawings 1 and 4, the present invention provides that the temperature detecting device 100 further includes a mounting member 90, the mounting member 90 is configured to mount the housing 10 on the vehicle 200, so that the temperature detecting device 100 is mounted on the vehicle.

Specifically, the mounting member 90 is provided at a side of the housing 10 where the detection through hole 12 is provided, so as to fixedly mount the housing 10 to the vehicle. It should be understood by those skilled in the art that in other preferred embodiments of the present invention, the mounting member 90 can also be disposed at other positions of the housing 10, as long as the object of the present invention can be achieved, and the specific position where the mounting member 90 is disposed on the housing 10 should not constitute a limitation of the present invention.

Further, the mounting member 90 further includes two mounting spring pieces 91, and the two mounting spring pieces 91 are respectively disposed on two sides of the detection through hole 12 of the housing 10, and are used for mounting the housing 10 on a vehicle in a clamping manner.

Further, the housing 10 further includes a mounting boss, the mounting boss is located between the two mounting spring pieces 91 of the mounting member 90, and is used for cooperating with the two mounting spring pieces 91 to mount the temperature detecting device 100 on an external object, such as a vehicle, so as to fix the temperature detecting device 100. Preferably, the end of the housing 10 where the first temperature sensing member 30 is provided extends outward to form the mounting boss, and the sensing through-hole 12 is formed in the mounting boss.

Referring to fig. 8 to 10 of the specification, the present invention provides a variant of the temperature detecting device 100, in which the opening direction of the inserting cavity 13 is consistent with the thickness direction of the housing 10, so as to reduce the overall length of the temperature detecting device 100 and reduce the space occupied by the length direction.

Specifically, in the present modified embodiment, one end of the plug 80 is electrically connected to the circuit board 20, and the other end of the plug 80 extends outward along the thickness direction of the circuit board 20 and extends into the plug cavity 13 through the partition body 14, so as to be suitable for being connected to external power equipment. Preferably, the plug-in connector 80 extends outward perpendicular to the circuit board 20. It should be understood by those skilled in the art that in other preferred embodiments of the present invention, the plug 80 can also extend outwardly from the circuit board 20 at other angles, as long as the objects of the present invention can be achieved, and the plug 80 and the specific angle between the circuit board 20 should not constitute a limitation of the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims (26)

1. A temperature sensing device for sensing the temperature of an environment to be sensed, the temperature sensing device comprising:

a housing having a receiving cavity;

the circuit board is arranged in the accommodating cavity;

a first temperature detecting member; and

and the second temperature detection piece is electrically connected with the circuit board respectively, is used for detecting the temperature of the environment to be detected, is used for detecting the temperature of the first temperature detection piece, and is used for calculating and obtaining the actual temperature value of the environment to be detected based on the temperature value detected by the first temperature detection piece and the temperature value detected by the second temperature detection piece.

2. The temperature sensing device as claimed in claim 1, further comprising a heat conduction member provided between the first temperature sensing member and the second temperature sensing member for allowing heat to be transferred from the first temperature sensing member to the second temperature sensing member.

3. The temperature detecting device according to claim 2, wherein the circuit board has a detecting portion and a connecting portion, the first temperature detecting member and the second temperature detecting member being provided to the detecting portion.

4. The temperature detecting device according to claim 3, wherein the heat conducting member includes a first heat conducting member covering a front surface of the detecting portion, wherein the second temperature detecting member is provided on the front surface of the detecting portion, and the second temperature detecting member is located between the first heat conducting member and the detecting portion.

5. The temperature sensing device as claimed in claim 3, wherein the heat conducting member has a package cavity, and the sensing portion of the circuit board is located in the package cavity.

6. The temperature sensing device as claimed in claim 5, wherein the heat conducting member further comprises a first heat conducting element and a second heat conducting element, the first heat conducting element and the second heat conducting element forming the package cavity therebetween, and the sensing portion of the circuit board is located between the first heat conducting element and the second heat conducting element.

7. The temperature sensing device of claim 6, wherein the first and second thermally conductive elements are integrally formed.

8. The temperature sensing device as claimed in claim 6, wherein the heat conductive member further comprises a connecting member through which corresponding ends of the first heat conductive member and the second heat conductive member are connected.

9. The temperature sensing device as claimed in claim 8, wherein said connecting member further has a mounting passage communicating with said package cavity, said first temperature sensing member being provided in said mounting passage.

10. The temperature sensing device as claimed in claim 9, wherein the heat conductive member further comprises a set of fixing members for fixing the first and second heat conductive members to the circuit board.

11. The temperature sensing device as claimed in claim 10, wherein the first heat conducting element has a first fixing portion, the second heat conducting element has a second fixing portion, the circuit board has an extension portion, and the fixing element fixes the first fixing portion and the second fixing portion to the extension portion.

12. The temperature sensing device as claimed in claim 11, wherein the fixing member includes a set of fixing rods, the circuit board has a set of fixing holes, the fixing rods pass through the fixing holes, and one end of the fixing rod is connected to the first fixing portion and the other end is connected to the second fixing portion.

13. The temperature sensing device as claimed in claim 12, wherein the fixing hole is located at the extension portion.

14. The temperature sensing device of claim 1, further comprising a light intensity sensing member electrically connected to the circuit board.

15. The temperature detecting device according to claim 14, wherein the light intensity detecting member is integrally integrated with the first temperature detecting member.

16. The temperature sensing device as claimed in any one of claims 1 to 15, wherein the housing further has a sensing passage, the sensing passage communicates with the accommodating chamber, the first temperature sensing member is disposed in the sensing passage, and at least a part of a sensing region of the first temperature sensing member communicates with the outside through the sensing passage.

17. The temperature sensing device of claim 16, further comprising a connector electrically coupled to the circuit board at one end and adapted to be electrically coupled to an external circuit at another end.

18. The temperature sensing device of claim 17, wherein said housing further has a plug cavity, said other end of said plug extending into said plug cavity.

19. The temperature sensing device as claimed in claim 18, wherein the housing further comprises a partition, the receiving cavity and the inserting cavity are respectively located at both sides of the partition, the partition has an inserting through hole, the inserting through hole communicates the receiving cavity and the inserting cavity, and the inserting member passes through the inserting through hole.

20. The apparatus according to claim 19, further comprising a mounting member disposed on the housing, the mounting member being configured to cooperate with an external object to secure the housing.

21. The temperature detection device according to any one of claims 1 to 15, wherein the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of a vehicle interior space.

22. The temperature detection device according to claim 16, wherein the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of an interior space of a vehicle.

23. The temperature detection device according to claim 17, wherein the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of an interior space of a vehicle.

24. The temperature detection device according to claim 18, wherein the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of an interior space of a vehicle.

25. The temperature detection device according to claim 19, wherein the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of an interior space of a vehicle.

26. The temperature detection device according to claim 20, wherein the temperature detection device is a vehicle temperature detection device, and the environment to be measured is an environment of an interior space of a vehicle.

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