Sensor structure and air conditioner having the same
By designing a sensor structure for air conditioners, the problem of insufficient protection of temperature and humidity sensors on outdoor units is solved, and protection of rainwater and flying insects is achieved, detection accuracy and reliability are ensured, and user experience is improved.
Patent Information
- Application Number
- CN202111034631.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-09-03
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2041-09-03
AI Technical Summary
In the prior art, the outdoor environment is relatively harsh, which can easily have adverse effects on the temperature and humidity sensors installed on the outdoor unit of the air conditioner, resulting in problems of rain prevention, insect prevention and detection accuracy.
A sensor structure is designed, including a sensor body and a housing. The sensor body is installed in the housing. A heat exchange tube mounting plate is installed on the housing, which is connected to the heat exchanger through the heat exchanger connection part to ensure that the sensor structure is installed in the On the heat exchanger, fastener connection and line card are used to prevent rainwater and flying insects from entering, and seal it with epoxy to prevent water from dripping in.
It effectively solves the problem of insufficient protection of temperature and humidity sensors on outdoor units, ensures the accuracy and reliability of detection, meets the requirements of rain prevention, insect prevention and installation reliability, and improves the user's comfort, safety and health experience.
Smart Images

Figure CN113719916B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of air conditioning, and in particular to a sensor structure and an air conditioner having the same. Background Art
[0002] At present, temperature and humidity sensors are mostly used in the indoor unit of the air conditioner to detect the humidity indoors and assist the air conditioner in adjusting the humidity of the indoor unit. As user demand continues to increase, in addition to collecting temperature values, humidity values are also required for the outdoor unit.
[0003] Since the ambient temperature sensing package in the prior art is an analog data sampling, it has a large data deviation problem, which needs to be solved through program compensation. The harsh outdoor environment requires higher accuracy in data sampling. The use of temperature and humidity sensors for digital signal sampling has higher accuracy and does not require additional compensation through programs, and has a wider detection range. Therefore, it is chosen to install a temperature and humidity sensor on the outdoor unit.
[0004] However, since the outdoor environment is worse than the indoor environment, using temperature and humidity sensors on outdoor units requires consideration of issues such as rain protection, insect prevention, installation reliability, and detection accuracy. Summary of the invention
[0005] The main purpose of the present invention is to provide a sensor structure and an air conditioner having the same, so as to solve the problem in the prior art that the outdoor environment is relatively harsh and easily causes adverse effects on the temperature and humidity sensor installed on the outdoor unit of the air conditioner.
[0006] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, a sensor structure is provided, comprising: a sensor, the sensor comprising a sensor body and a wiring harness for connecting the sensor body with external electronic components; a shell, a mounting cavity is provided in the shell, the sensor body is located in the mounting cavity, and one end of the wiring harness away from the sensor body extends out of the shell; wherein a heat exchange tube mounting plate is provided on the shell, a heat exchange tube connecting portion is provided on the heat exchange tube mounting plate, and the heat exchange tube connecting portion is used to connect with the heat exchange tube of the heat exchanger, so that the sensor structure can be installed on the heat exchanger.
[0007] Furthermore, the shell includes: a first shell, on which a first mounting groove is arranged; and a second shell, on which a second mounting groove is arranged; wherein the first mounting groove and the second mounting groove are arranged correspondingly to jointly form a mounting cavity.
[0008] Furthermore, the heat exchange tube mounting plate is arranged on the second shell, and the second shell also includes a sensor mounting part and a transition connecting plate. The sensor mounting part is connected to the heat exchange tube mounting plate through the transition connecting plate, and the second mounting groove is arranged on the sensor mounting part.
[0009] Further, the second housing includes a sensor mounting portion, the second mounting groove is arranged on the sensor mounting portion, and at least a portion of the sensor mounting portion is inserted into the first mounting groove.
[0010] Furthermore, the sensor also includes a wire card, which is sleeved on the wire harness, and the shell is provided with a wire card installation groove for connecting the installation cavity with the external environment, and the wire card installation groove is arranged corresponding to the wire card for fixing the wire card.
[0011] Furthermore, an external connecting cavity connected to the external environment is provided on the shell, and the external connecting cavity is located on one side of the installation cavity. A first partition is provided between the external connecting cavity and the installation cavity, and a connecting groove is provided on the first partition to connect the external connecting cavity with the installation cavity through the connecting groove.
[0012] Furthermore, a second partition is provided in the external connecting cavity to separate the external connecting cavity into a first cavity and a second cavity, and the first cavity is located at one end of the second cavity close to the installation cavity; wherein a connecting hole is provided on the second partition to connect the first cavity and the second cavity.
[0013] Furthermore, there are multiple connecting grooves, which are arranged at intervals; there are multiple connecting holes, which are arranged at intervals; wherein the flow area of any connecting hole is smaller than the flow area of any connecting groove; and / or the total flow area of the multiple connecting holes is smaller than the total flow area of the multiple connecting grooves.
[0014] Furthermore, the communicating groove is a rectangular groove; and / or the communicating hole is a circular hole, and the diameter of the circular hole is 1.3 mm to 1.7 mm.
[0015] Furthermore, the heat exchange tube connection portion is a slot, and the slot is used to be connected to the heat exchange tube.
[0016] Furthermore, the slot includes a slot body and an opening located on a side of the slot body close to the heat exchange tube, and the heat exchange tube is inserted into the slot body through the opening.
[0017] Furthermore, the heat exchange tube is a round tube, the slot body is a circular groove matched with the round tube, and the diameter of the slot body is greater than the minimum width of the opening.
[0018] Furthermore, there are multiple slots, which are arranged on the heat exchange tube mounting plate at intervals along a predetermined direction. The multiple slots are arranged one-to-one corresponding to the multiple heat exchange tubes of the heat exchanger, and each slot is connected to the corresponding heat exchange tube.
[0019] Furthermore, the sensor body and the shell are connected by a fastener, a through hole is provided on the sensor body for the fastener to pass through, a fastening hole is provided in the installation cavity for the fastener to be inserted, and one end of the fastener passes through the through hole and is inserted into the fastening hole; and / or the sensor body includes a PCB board and a detection component arranged on the PCB board, one end of the wiring harness located in the installation cavity is connected to the PCB board, and the detection component is used to detect temperature and / or humidity.
[0020] According to another aspect of the present invention, an air conditioner is provided, including an outdoor unit, wherein a temperature and humidity sensor is installed on a heat exchanger of the outdoor unit, and the temperature and humidity sensor is the above-mentioned sensor structure.
[0021] Furthermore, the heat exchanger includes a shell and a heat exchange tube at least partially located in the shell. The shell is provided with an avoidance groove, and the heat exchange tube mounting plate of the temperature and humidity sensor passes through the avoidance groove and is clamped on the heat exchange tube.
[0022] The technical solution of the present invention is applied, and the sensor structure of the present invention includes a sensor, and the sensor includes a sensor body and a wiring harness for connecting the sensor body with external electronic components; a housing, a mounting cavity is provided in the housing, the sensor body is located in the mounting cavity, and one end of the wiring harness away from the sensor body extends out of the housing; wherein a heat exchange tube mounting plate is provided on the housing, and a heat exchange tube connecting portion is provided on the heat exchange tube mounting plate, and the heat exchange tube connecting portion is used to connect with the heat exchange tube of the heat exchanger, so that the sensor structure is installed on the heat exchanger. By installing the sensor body of the temperature and humidity sensor in the housing, and installing the housing on the heat exchange tube of the heat exchanger, the accuracy of the detection of the temperature and humidity sensor can be guaranteed, and the problem of insufficient protection against rain and flying insects when the temperature and humidity sensor is installed on the outdoor unit of the air conditioner is solved, so as to meet the requirements of rain protection, insect protection, reliable installation, accurate detection, etc., thereby solving the problem that the environment on the outdoor side is relatively harsh in the prior art, which is easy to cause adverse effects on the temperature and humidity sensor installed on the outdoor unit of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:
[0024] Figure 1 A schematic structural diagram of an embodiment of a sensor structure according to the present invention is shown;
[0025] Figure 2 Shows Figure 1 A half-section view of the sensor structure shown;
[0026] Figure 3 Shows Figure 1A schematic structural diagram of a first housing of the sensor structure shown;
[0027] Figure 4 Shows Figure 3 A half-section view of the first shell shown;
[0028] Figure 5 Shows Figure 1 A schematic structural diagram of a second housing of the sensor structure shown;
[0029] Figure 6 Shows Figure 5 A half-section view of the second housing shown;
[0030] Figure 7 Shows Figure 1 The sensor structure shown is a schematic diagram of the structure of the sensor in one direction;
[0031] Figure 8 Shows Figure 7 A schematic diagram of the structure of the sensor shown in another direction; and
[0032] Fig. 9 Shows Figure 1 The sensor structure shown is a schematic diagram of the installation on the heat exchanger of the outdoor unit of the air conditioner.
[0033] The above drawings include the following reference numerals:
[0034] 1. first housing; 11. first mounting slot; 12. first line card mounting slot; 121. first slot section; 122. second slot section; 123. third slot section; 13. first harness avoidance slot; 14. external communication cavity; 141. first cavity; 142. second cavity; 15. first partition; 151. communication slot; 16. second partition; 161. communication hole;
[0035] 2. Second housing; 21. Sensor mounting portion; 211. Second mounting slot; 2111. Fastening hole; 212. Second wire card mounting slot; 2121. Fourth slot section; 2122. Fifth slot section; 2123. Sixth slot section; 213. Second wire harness avoidance slot; 22. Heat exchange tube mounting plate; 221. Card slot; 2211. Card slot body; 2212. Opening; 23. Transition connecting plate;
[0036] 3. sensor; 31. PCB board; 311. detection component; 312. through hole; 32. wiring harness; 33. line card; 331. first shaft section; 332. second shaft section; 333. third shaft section; 34. fastener;
[0037] 100. sensor structure; 101. mounting cavity; 200. heat exchanger; 201. housing; 202. heat exchange tube; 203. avoidance groove. DETAILED DESCRIPTION
[0038] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0039] like Figures 1 to 9 As shown, the present invention provides a sensor structure 100, comprising: a sensor 3, the sensor 3 comprising a sensor body and a wiring harness 32 for connecting the sensor body to external electronic components; a shell, a mounting cavity 101 is provided in the shell, the sensor body is located in the mounting cavity 101, and one end of the wiring harness 32 away from the sensor body extends out of the shell; wherein a heat exchange tube mounting plate 22 is provided on the shell, a heat exchange tube connecting portion is provided on the heat exchange tube mounting plate 22, and the heat exchange tube connecting portion is used to connect with the heat exchange tube 202 of the heat exchanger 200, so that the sensor structure is installed on the heat exchanger 200.
[0040] The sensor structure 100 of the present invention comprises a sensor 3, wherein the sensor 3 comprises a sensor body and a harness 32 for connecting the sensor body with external electronic components; a housing, wherein a mounting cavity 101 is provided in the housing, wherein the sensor body is located in the mounting cavity 101, and one end of the harness 32 away from the sensor body extends out of the housing; wherein a heat exchange tube mounting plate 22 is provided on the housing, wherein a heat exchange tube connecting portion is provided on the heat exchange tube mounting plate 22, wherein the heat exchange tube connecting portion is used to connect with the heat exchange tube 202 of the heat exchanger 200, so that the sensor structure is mounted on the heat exchanger 200. By mounting the sensor body of the temperature and humidity sensor in the housing, and mounting the housing on the heat exchange tube 202 of the heat exchanger 200, the accuracy of the detection of the temperature and humidity sensor can be ensured, and the problem of insufficient protection of the temperature and humidity sensor against rain and flying insects when the temperature and humidity sensor is mounted on the outdoor unit of the air conditioner is solved, so as to meet the requirements of rainproof, insectproof, reliable installation, accurate detection, etc., thereby solving the problem in the prior art that the environment on the outdoor side is relatively harsh, which is easy to cause adverse effects on the temperature and humidity sensor installed on the outdoor unit of the air conditioner.
[0041] Specifically, the sensor of the present invention is a temperature and humidity sensor, which cancels the original environmental temperature sensing bag on the outdoor side and increases the sampling of humidity values, thereby improving the problems of untimely defrosting of the outdoor unit condenser and inaccurate humidity detection on the indoor side in the prior art of air conditioners, thereby allowing users to have a more comfortable, safe and healthy use experience.
[0042] like Figures 2 to 6 As shown, the shell includes: a first shell 1, on which a first mounting groove 11 is arranged; a second shell 2, on which a second mounting groove 211 is arranged; wherein the first mounting groove 11 and the second mounting groove 211 are arranged correspondingly to form a mounting cavity 101 together.
[0043] like Figure 6 As shown, the heat exchange tube mounting plate 22 is arranged on the second shell 2, and the second shell 2 also includes a sensor mounting part 21 and a transition connecting plate 23. The sensor mounting part 21 is connected to the heat exchange tube mounting plate 22 through the transition connecting plate 23, and the second mounting groove 211 is arranged on the sensor mounting part 21.
[0044] Specifically, the first shell 1 and the second shell 2 are mainly made of PP, which has good aging resistance and can ensure that they will not deform under long-term wind, rain and sun exposure, so as to provide a safe and reliable protection space for the sensor body located in the installation cavity 101.
[0045] Optionally, at least part of the sensor mounting portion 21 is inserted into the first mounting groove 11 or at least part of the first shell 1 is inserted into the second mounting groove 211. On this basis, epoxy resin is coated on the mating surface between the first shell 1 and the second shell 2 for sealing to form an installation cavity 101, thereby preventing impurities such as water droplets generated by rain or snowfall from entering the installation cavity 101 and causing abnormal operation of the sensor.
[0046] like Figure 2 As shown, the second housing 2 includes a sensor mounting portion 21 , a second mounting groove 211 is provided on the sensor mounting portion 21 , and at least a portion of the sensor mounting portion 21 is inserted into the first mounting groove 11 .
[0047] Preferably, the sensor 3 further includes a wire card 33, which is sleeved on the wire harness 32. The housing is provided with a wire card installation slot for connecting the installation cavity 101 with the external environment. The wire card installation slot is provided corresponding to the wire card 33 to fix the wire card 33, and the wire card 33 can cooperate with the housing to form a seal. The setting of the wire card 33 provided with the wire harness 32 can not only prevent the end of the wire harness 32 from being pulled off, but also prevent the entry of impurities such as water droplets generated by rain or snow from causing abnormal operation of the sensor.
[0048] The first shell 1 is provided with a first wire card installation slot 12, which includes a plurality of slot sections connected in sequence, and the sizes of two adjacent slot sections are different; both ends of the first wire card installation slot 12 are provided with first wire harness avoidance slots 13 for avoiding the wire harness 32.
[0049] Specifically, the first line card installation slot 12 includes a first slot segment 121, a second slot segment 122 and a third slot segment 123, which are respectively arranged in one-to-one correspondence with the first axis segment 331, the second axis segment 332 and the third axis segment 333 of the line card 33, wherein the size of the second slot segment 122 is smaller than the size of the first slot segment 121 and smaller than the size of the third slot segment 123.
[0050] A second wire card installation slot 212 is provided on the second shell 2, and the second wire card installation slot 212 includes a plurality of slot sections connected in sequence, and the sizes of two adjacent slot sections are different; second wire harness avoidance slots 213 are provided at both ends of the second wire card installation slot 212 for avoiding the wire harness 32.
[0051] Specifically, the second line card installation slot 212 includes a fourth slot segment 2121, a fifth slot segment 2122 and a sixth slot segment 2123, which are respectively arranged in one-to-one correspondence with the first axis segment 331, the second axis segment 332 and the third axis segment 333 of the line card 33, wherein the size of the fifth slot segment 2122 is smaller than the size of the fourth slot segment 2121 and smaller than the size of the sixth slot segment 2123.
[0052] The first line card installation slot 12 and the second line card installation slot 212 together form a line card installation slot.
[0053] like Figure 3 As shown, an external connecting cavity 14 connected to the external environment is provided on the shell, and the external connecting cavity 14 is located on one side of the installation cavity 101. A first partition plate 15 is provided between the external connecting cavity 14 and the installation cavity 101, and a connecting groove 151 is provided on the first partition plate 15 to connect the external connecting cavity 14 with the installation cavity 101 through the connecting groove 151.
[0054] The connecting groove 151 is formed by a breathable fence arranged on the first partition plate 15, and its main function is ventilation so that the detection component 311 can collect temperature and humidity data of the environment.
[0055] Specifically, the external connecting cavity 14 is arranged on the first shell 1 and is located on one side of the first mounting groove 11. The cavity of the external connecting cavity 14 is rectangular. A second partition plate 16 is arranged in the external connecting cavity 14 to separate the external connecting cavity 14 into a first cavity 141 and a second cavity 142. The first cavity 141 is located at one end of the second cavity 142 close to the mounting cavity 101. A connecting hole 161 is arranged on the second partition plate 16 to connect the first cavity 141 and the second cavity 142.
[0056] Preferably, there are multiple connecting grooves 151, and the multiple connecting grooves 151 are arranged at intervals; there are multiple connecting holes 161, and the multiple connecting holes 161 are arranged at intervals; wherein, the flow area of any connecting hole 161 is smaller than the flow area of any connecting groove 151; and / or the total flow area of the multiple connecting holes 161 is smaller than the total flow area of the multiple connecting grooves 151.
[0057] Among them, the flow area of a connecting hole 161 refers to the area of the cross section of the hole body of the connecting hole 161 cut by a plane perpendicular to the direction of airflow flow, that is, the area of the hole cross section; the total flow area of multiple connecting holes 161 refers to the sum of the area of the hole cross sections of the multiple connecting holes; the flow area of a connecting groove 151 refers to the area of the cross section of the groove body of the connecting groove 151 cut by a plane perpendicular to the direction of airflow flow, that is, the area of the groove body cross section; the total flow area of multiple connecting grooves 151 refers to the sum of the area of the groove body cross section of the connecting groove 151.
[0058] Specifically, the connecting groove 151 is a rectangular groove; and / or the connecting hole 161 is a circular hole with a diameter of 1.3 mm to 1.7 mm, which can not only prevent flying insects and rain splashing from entering the first cavity 141 and the first mounting groove 11 and affecting the normal operation of the sensor body, but also realize air circulation inside and outside the shell to ensure the reliability of the collected data.
[0059] Preferably, the diameter of the communicating hole 161 is 1.5 mm.
[0060] like Figure 1 , Figure 2 and Figure 6 As shown, the heat exchange tube connection portion is a clamping groove 221, and the clamping groove 221 is used to clamp on the heat exchange tube 202.
[0061] Specifically, the slot 221 includes a slot body 2211 and an opening portion 2212 located on a side of the slot body 2211 close to the heat exchange tube 202 , and the heat exchange tube 202 is inserted into the slot body 2211 through the opening portion 2212 .
[0062] Preferably, the heat exchange tube 202 is a round tube, the slot body 2211 is a circular groove matching the round tube, the opening 2212 is trumpet-shaped, and the width of the opening 2212 gradually increases in the direction away from the slot body 2211, and the diameter of the slot body 2211 is greater than the minimum width of the opening 2212.
[0063] Preferably, there are multiple card slots 221, and the multiple card slots 221 are arranged on the heat exchange tube mounting plate 22 at intervals along a predetermined direction. The multiple card slots 221 are arranged one-to-one corresponding to the multiple heat exchange tubes 202 of the heat exchanger 200, and each card slot 221 is connected to the corresponding heat exchange tube 202 to ensure the reliability of the connection between the sensor structure 100 and the heat exchanger 200.
[0064] like Figure 7 and Figure 8As shown, the sensor body and the shell are connected by a fastener 34, a through hole 312 is provided on the sensor body for the fastener 34 to pass through, a fastening hole 2111 is provided in the installation cavity 101 for the fastener 34 to be inserted, one end of the fastener 34 passes through the through hole 312 and is inserted into the fastening hole 2111; and / or the sensor body includes a PCB board 31 and a detection component 311 arranged on the PCB board 31, one end of the wiring harness 32 located in the installation cavity 101 is connected to the PCB board 31, and the detection component 311 is used to detect temperature and / or humidity.
[0065] like Figure 6 As shown, the fastening hole 2111 is arranged in the second installation groove 211 of the second housing 2, the fastener 34 is a screw, and the fastening hole 2111 is a threaded hole for threaded connection with the screw.
[0066] Specifically, the detection component 311 is a detection module for collecting temperature and humidity welded on the PCB board 31, and its temperature and humidity detection window faces the connecting groove 151 formed by the air-permeable fence on the first partition 15, so as to collect temperature and humidity data in the external environment through the rain-proof channel. In addition, a needle holder is arranged on the PCB board 31, which is connected to the main board of the outdoor unit of the air conditioner through a wiring terminal to form a power supply channel of the temperature and humidity sensor and a collection feedback channel for temperature and humidity data.
[0067] like Fig. 9 As shown, the present invention further provides an air conditioner, including an outdoor unit, wherein a temperature and humidity sensor is installed on a heat exchanger 200 of the outdoor unit, and the temperature and humidity sensor is the above-mentioned sensor structure 100.
[0068] Among them, the heat exchanger 200 is a condenser, and the heat exchanger 200 includes an outer shell 201 and a heat exchange tube 202 at least partially located in the outer shell 201. An avoidance groove 203 is provided on the outer shell 201, and the heat exchange tube mounting plate 22 of the temperature and humidity sensor passes through the avoidance groove 203 and is clamped on the heat exchange tube 202.
[0069] The ambient temperature sensing package in the prior art is an analog data sampling, which has a large data deviation problem that needs to be solved through program compensation. The harsh outdoor environment requires higher accuracy in data sampling. The use of temperature and humidity sensors for digital signal sampling has higher accuracy and does not require additional compensation through programs, and has a wider detection range. Therefore, it is chosen to install a temperature and humidity sensor on the outdoor unit to increase the humidity detection value, thereby improving the original air conditioner's untimely defrosting of the outdoor unit's condenser and inaccurate outdoor humidity detection problems, thereby optimizing the air conditioner's comfort auxiliary function and improving user experience.
[0070] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
[0071] The sensor structure of the present invention comprises a sensor 3, which comprises a sensor body and a harness 32 for connecting the sensor body with external electronic components; a housing, wherein a mounting cavity 101 is provided in the housing, the sensor body is located in the mounting cavity 101, and one end of the harness 32 away from the sensor body extends out of the housing; wherein a heat exchange tube mounting plate 22 is provided on the housing, and a heat exchange tube connecting portion is provided on the heat exchange tube mounting plate 22, and the heat exchange tube connecting portion is used to connect with the heat exchange tube 202 of the heat exchanger 200, so that the sensor structure is installed on the heat exchanger 200. By installing the sensor body of the temperature and humidity sensor in the housing, and installing the housing on the heat exchange tube 202 of the heat exchanger 200, the accuracy of the detection of the temperature and humidity sensor can be ensured, and the problem of insufficient protection of the temperature and humidity sensor against rain and flying insects when the temperature and humidity sensor is installed on the outdoor unit of the air conditioner is solved, so as to meet the requirements of rainproof, insect-proof, reliable installation, accurate detection, etc., thereby solving the problem in the prior art that the environment on the outdoor side is relatively harsh, which is easy to cause adverse effects on the temperature and humidity sensor installed on the outdoor unit of the air conditioner.
[0072] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0073] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.
[0074] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.
[0075] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.
[0076] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.
[0077] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A sensor structure, characterized in that: include: A sensor (3), the sensor (3) comprising a sensor body and a wiring harness (32) for connecting the sensor body to external electronic components; A housing, wherein a mounting cavity (101) is provided in the housing, the sensor body is located in the mounting cavity (101), and an end of the wiring harness (32) away from the sensor body extends out of the housing; Wherein, a heat exchange tube mounting plate (22) is provided on the shell, and a heat exchange tube connecting portion is provided on the heat exchange tube mounting plate (22), and the heat exchange tube connecting portion is used to connect with the heat exchange tube (202) of the heat exchanger (200), so that the sensor structure is mounted on the heat exchanger (200); The housing comprises: A first shell (1), wherein the first shell (1) is provided with a first mounting groove (11); A second shell (2), wherein the second shell (2) is provided with a second mounting groove (211); Wherein, the first mounting groove (11) and the second mounting groove (211) are arranged correspondingly to jointly form the mounting cavity (101); The heat exchange tube mounting plate (22) is arranged on the second shell (2), and the second shell (2) further comprises a sensor mounting portion (21) and a transition connecting plate (23), the sensor mounting portion (21) is connected to the heat exchange tube mounting plate (22) via the transition connecting plate (23), the second mounting groove (211) is arranged on the sensor mounting portion (21), and at least a portion of the sensor mounting portion (21) is inserted into the first mounting groove (11).
2. The sensor structure according to claim 1, characterized in that: The sensor (3) further comprises a line card (33), wherein the line card (33) is sleeved on the wire harness (32), and the housing is provided with a line card installation slot for connecting the installation cavity (101) with an external environment, and the line card installation slot is arranged corresponding to the line card (33) for fixing the line card (33).
3. The sensor structure according to claim 1, characterized in that: The shell is provided with an external communication cavity (14) which is in communication with the external environment. The external communication cavity (14) is located on one side of the installation cavity (101). A first partition plate (15) is provided between the external communication cavity (14) and the installation cavity (101). The first partition plate (15) is provided with a communication groove (151) so as to connect the external communication cavity (14) with the installation cavity (101) through the communication groove (151).
4. The sensor structure according to claim 3, characterized in that: A second partition (16) is provided in the external communication cavity (14) to separate the external communication cavity (14) into a first cavity (141) and a second cavity (142), wherein the first cavity (141) is located at one end of the second cavity (142) close to the installation cavity (101); Wherein, a connecting hole (161) is provided on the second partition plate (16) so as to connect the first cavity (141) and the second cavity (142).
5. The sensor structure according to claim 4, characterized in that: The number of the communicating grooves (151) is plural, and the plurality of communicating grooves (151) are arranged at intervals; The number of the communicating holes (161) is plural, and the plurality of communicating holes (161) are arranged at intervals; The flow area of any one of the connecting holes (161) is smaller than the flow area of any one of the connecting grooves (151); and / or the total flow area of the plurality of connecting holes (161) is smaller than the total flow area of the plurality of connecting grooves (151).
6. The sensor structure according to claim 4, characterized in that: The communicating groove (151) is a rectangular groove; and / or The communicating hole (161) is a circular hole, and the diameter of the circular hole is 1.3 mm to 1.7 mm.
7. The sensor structure according to any one of claims 1 to 6, characterized in that: The heat exchange tube connection portion is a clamping groove (221), and the clamping groove (221) is used for clamping onto the heat exchange tube (202).
8. The sensor structure according to claim 7, characterized in that: The slot (221) comprises a slot body (2211) and an opening (2212) located on a side of the slot body (2211) close to the heat exchange tube (202); the heat exchange tube (202) is inserted into the slot body (2211) through the opening (2212).
9. The sensor structure according to claim 8, characterized in that: The heat exchange tube (202) is a round tube, the slot body (2211) is a circular groove that matches the round tube, and the diameter of the slot body (2211) is greater than the minimum width of the opening (2212).
10. The sensor structure according to claim 8, characterized in that: There are a plurality of the card slots (221), and the plurality of the card slots (221) are arranged on the heat exchange tube mounting plate (22) at intervals along a predetermined direction; the plurality of the card slots (221) are arranged in one-to-one correspondence with the plurality of heat exchange tubes (202) of the heat exchanger (200), and each of the card slots (221) is clamped on a corresponding heat exchange tube (202).
11. The sensor structure according to any one of claims 1 to 6, characterized in that: The sensor body and the housing are connected via a fastener (34); the sensor body is provided with a through hole (312) for the fastener (34) to pass through; the mounting cavity (101) is provided with a fastening hole (2111) for the fastener (34) to be inserted into; one end of the fastener (34) passes through the through hole (312) and is then inserted into the fastening hole (2111); and / or The sensor body comprises a PCB board (31) and a detection component (311) arranged on the PCB board (31); one end of the wiring harness (32) located in the installation cavity (101) is connected to the PCB board (31); and the detection component (311) is used to detect temperature and / or humidity.
12. An air conditioner, comprising an outdoor unit, characterized in that: A temperature and humidity sensor is installed on the heat exchanger (200) of the outdoor unit, and the temperature and humidity sensor is a sensor structure according to any one of claims 1 to 11.
13. The air conditioner according to claim 12, characterized in that: The heat exchanger (200) comprises an outer shell (201) and a heat exchange tube (202) at least partially located in the outer shell (201); a avoidance groove (203) is provided on the outer shell (201); and the heat exchange tube mounting plate (22) of the temperature and humidity sensor passes through the avoidance groove (203) and is then clamped onto the heat exchange tube (202).
