Wireless temperature detection system of module integrated in air conditioner outdoor unit

Abstract

The invention relates to the technical field of module detection, in particular to a wireless temperature detection system of a module integrated in an air conditioner outdoor unit, which comprises an air conditioner outdoor unit, a temperature detection part and a temperature detection host, and is characterized in that the air conditioner outdoor unit is internally provided with a to-be-detected module and an electric control board; the temperature detection host is installed on the outer side wall of the air conditioner outdoor unit, the to-be-detected module is integrated on the electric control board, the electric control board is installed on the inner side wall of the air conditioner outdoor unit corresponding to the temperature detection host, the temperature detection part is attached to the to-be-detected module, and the temperature detection host is in wireless communication connection with the temperature detection part and the electric control board; the temperature detection part comprises a cooling layer, and the cooling layer is used for being controlled by the temperature detection part in a linkage mode and cooling the to-be-detected module. The temperature detection host is used for receiving the detection temperature generated by the temperature detection part, linking the electric control board and the cooling layer, and performing overheating protection on the to-be-detected module; the defects of signal line temperature detection are overcome, and the problem that the test loss is serious due to the fact that the module to be tested does not have overheating protection in the whole machine test process is solved.

Description

Technical Field

[0001] The invention relates to the technical field of module detection, in particular to a wireless temperature detection system of a module integrated in an outdoor unit of an air conditioner. Background Art

[0002] The module inside the air conditioner (such as the intelligent power module) is one of the key factors driving the operation of the air conditioner. The module is usually integrated in the electronic control board. In the whole machine test, it is often necessary to measure the temperature rise of the internal module to infer whether the temperature of the chip is within the effective value range, or to compare the temperature difference before and after. These are useful reference data in chip / module design. However, when the air conditioner is running, since the module is deeply hidden inside the air conditioner and integrated in the electronic control board, how to contact the module and measure its temperature rise value is a big problem.

[0003] At present, the common module temperature detection scheme is: after the temperature detection device and one end of the signal line are electrically connected, the temperature detection device is installed in a fit with the module integrated in the air-conditioning outdoor unit, and the other end of the signal line is electrically connected to the temperature detection host outside the air-conditioning outdoor unit, so that the temperature of the module can be known through the temperature detection host.

[0004] However, this detection scheme has major disadvantages:

[0005] (1) Temperature detection data is transmitted through signal lines. It is often necessary to dismantle the machine to install the signal lines before testing, and dismantle the machine to remove and install the signal lines after testing. Even if the signal lines are installed through the screw holes of the air conditioner outdoor unit, the signal lines must be separated from the temperature detection host and placed in the air conditioner outdoor unit after the test. Signal lines placed randomly in the air conditioner outdoor unit have the risk of conducting electricity and burning the module.

[0006] (2) During the whole machine test, if the temperature of the module rises seriously, the overheat protection inside the electronic control board may not be able to perform overheat protection in time (because it is still in the whole machine test stage and various performances may not be perfect). The existing temperature detection system can only obtain temperature data and cannot perform overheat protection on the module or link the electronic control board to perform overheat protection, resulting in serious module loss during the whole machine test and high testing costs. Summary of the invention

[0007] In view of the above-mentioned defects, the purpose of the present invention is to propose a wireless temperature detection system for a module integrated in the outdoor unit of an air conditioner, which solves the drawbacks of using signal line temperature detection and the problem of serious test loss caused by the lack of overheating protection of the module to be tested during the whole machine testing process.

[0008] To achieve this object, the present invention adopts the following technical solutions:

[0009] A wireless temperature detection system of a module integrated in an air conditioner outdoor unit, comprising an air conditioner outdoor unit, a temperature detection unit and a temperature detection host, wherein a module to be detected and an electric control board are arranged in the air conditioner outdoor unit; the temperature detection host is installed on the outer wall of the air conditioner outdoor unit, the module to be detected is integrated in the electric control board, the electric control board is installed on the inner wall of the air conditioner outdoor unit corresponding to the temperature detection host, the temperature detection unit is installed in affixed relation to the module to be detected, and the temperature detection host is wirelessly connected to the temperature detection unit and the electric control board respectively;

[0010] The temperature detection unit includes a cooling layer, and the cooling layer is used to be linked and controlled by the temperature detection unit to cool the module to be tested;

[0011] The temperature detection unit is used to generate a detection temperature;

[0012] The temperature detection host is used to receive the detected temperature, link the electric control board and the cooling layer, and perform overheat protection on the module to be tested.

[0013] Furthermore, the linkage control of the temperature detection host includes the following steps:

[0014] S1: Determine whether the detected temperature is in the normal range, the warning range or the abnormal range. If it is in the normal range, the cycle ends; if it is in the warning range, step S2 is executed; if it is in the abnormal range, step S3 is executed;

[0015] S2: Linking the overheat protection circuit of the electric control board and the cooling layer to drive the cooling layer 21 to perform weak cooling, and then executing step S4;

[0016] S3: Linking the overheat protection circuit of the electric control board and the cooling layer to drive the cooling layer 21 for forced cooling, and then executing step S5;

[0017] S4: Determine whether the detected temperature is within a normal range, if so, record the temperature data and end the loop, otherwise return to step S1;

[0018] S5: Determine whether the detected temperature is within a normal range, if so, record the temperature data and end the cycle, otherwise, link the electric control board to reduce the working power of the module to be tested, and then execute step S6;

[0019] S6: Determine whether the detected temperature is within a normal range, if so, record the temperature data and end the cycle, otherwise, link the electric control board to turn off the module to be tested, then record the temperature data and end the cycle.

[0020] Furthermore, the temperature detection unit also includes a heat-conducting layer, a detection controller and at least one screw-type temperature sensor; the heat-conducting layer is attached to the surface of the plastic sealing layer of the module to be tested, the cooling layer and the detection controller are sequentially stacked on the heat-conducting layer, and the tail of the screw-type temperature sensor passes through the detection controller, the cooling layer and the heat-conducting layer in sequence, and is fixed to the plastic sealing layer of the module to be tested;

[0021] The cooling layer and the screw-type temperature sensor are electrically connected to the detection controller, and the detection controller is wirelessly connected to the temperature detection host.

[0022] Furthermore, the module pins of the module to be tested are electrically connected to the electronic control board, the bottom surface of the module to be tested faces the electronic control board, the temperature detection part is installed on the bottom surface of the module to be tested, and a heat sink is provided on the top surface of the module to be tested, and the heat sink is connected to the cooling layer.

[0023] Furthermore, the cooling layer is a refrigeration sheet, and the heat-conducting layer is a PCM board.

[0024] Furthermore, an electric control board installation slot is also provided in the air conditioner outdoor unit, and the bottom surface of the electric control board installation slot corresponds to the temperature detection host and is fixed to the inner wall of the air conditioner outdoor unit;

[0025] The front end of the electric control board installation slot is provided with an electric control board insertion port, the left and right ends of the electric control board insertion port are respectively provided with rotatable fixed stoppers, and the slot wall of the electric control board installation slot is provided with a limited sliding slot;

[0026] The electric control board is inserted from the electric control board insertion port, and the side edge of the electric control board slides along the limiting sliding groove and is inserted into the electric control board installation groove; when the electric control board is completely inserted into the electric control board installation groove, the fixed stopper rotates to abut against the front side edge of the electric control board;

[0027] The electric control board is integrated with the top surface or the bottom surface of the module to be tested, and faces the notch of the electric control board installation slot.

[0028] Furthermore, a special-shaped partition plate is provided inside the air conditioner outdoor unit, the left side of the special-shaped partition plate is a mechanical movement area, and the right side of the special-shaped partition plate is an electric control area;

[0029] The temperature detection host and the electric control panel are both installed on the side wall of the air conditioner outdoor unit in the electric control area and close to the top cover of the air conditioner outdoor unit.

[0030] Furthermore, a temperature detection host fixing bracket is provided on the outer side wall of the air conditioner outdoor unit, and the temperature detection host fixing bracket is used to place the temperature detection host.

[0031] Furthermore, the temperature detection host fixing frame is made of high temperature resistant material, and the outer shell of the temperature detection host is made of ceramic fiber.

[0032] The technical solution provided by the present invention may include the following beneficial effects: in the whole machine test, in order to avoid the disadvantages of using signal line temperature detection, the temperature detection host is connected to the temperature detection unit via wireless communication (such as Bluetooth) to perform temperature detection on the module to be tested. There is no need to disassemble and assemble the air conditioner outdoor unit before and after the temperature detection. It also avoids the risk of conduction caused by random placement of signal lines after the test, which is safer.

[0033] At the same time, in order to further improve the accuracy of temperature detection, the temperature detection host is installed on the outer wall of the air conditioner outdoor unit, and the temperature detection part and the electronic control board are installed on the inner wall of the air conditioner outdoor unit corresponding to the temperature detection host, so that the wireless communication distance is the shortest (only separated by the outer casing of the air conditioner outdoor unit), effectively avoiding external interference.

[0034] More importantly, after the temperature detection host obtains the detection temperature, it also has the ability to link the electronic control board and the temperature detection unit, so as to link the relevant overheating protection measures of the electronic control board to protect the module under test integrated in the electronic control board from overheating (mainly overheating protection methods in circuit control, such as shutdown, power reduction, and shutting down some functions to reduce heat generation), and link the cooling layer on the temperature detection unit to protect the module under test from overheating (mainly overheating protection methods in the physical sense, such as cooling, heat absorption, etc.), thereby reducing the loss caused by overheating and burning of the module under test in the whole machine test and reducing the testing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 The schematic diagram of a wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to one embodiment of the present invention.

[0036] Figure 2 Yes Figure 1 The schematic diagram of the structure of the temperature detection unit, the heat sink and the module to be tested is shown.

[0037] Figure 3 Yes Figure 1 The schematic diagram of the structure of the electric control board and the electric control board mounting slot is shown.

[0038] Figure 4 Yes Figure 1 A top view of the air conditioner outdoor unit is shown.

[0039] Figure 5 Yes Figure 1 The right side view of the air conditioner outdoor unit is shown.

[0040] Figure 6 Yes Figure 1The figure shows a linkage control flow chart of a wireless temperature detection system of a module integrated in an outdoor unit of an air conditioner.

[0041] Among them: air conditioner outdoor unit 1, temperature detection unit 2, temperature detection host 4, module to be tested 3, electric control board 5, cooling layer 21, heat conduction layer 22, detection controller 23, screw temperature sensor 24, module pin 31, radiator 7, electric control board mounting slot 6, limiting slide slot 61, electric control board insertion port 62, fixed block 63, special-shaped partition plate 11, mechanical movement area 12, electric control area 13, temperature detection host fixing frame 14. DETAILED DESCRIPTION

[0042] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0043] In the description of the present invention, it is necessary to understand that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of the features, and are used to distinguish and describe features, without distinction of order or importance.

[0044] In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0045] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0046] Combine the following Figures 1 to 6 , describing a wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to an embodiment of the present invention.

[0047] A wireless temperature detection system of a module integrated in an air conditioner outdoor unit, comprising an air conditioner outdoor unit 1, a temperature detection unit 2 and a temperature detection host 4, wherein a module to be detected 3 and an electric control board 5 are arranged in the air conditioner outdoor unit 1; the temperature detection host 4 is installed on the outer wall of the air conditioner outdoor unit 1, the module to be detected 3 is integrated in the electric control board 5, the electric control board 5 is installed on the inner wall of the air conditioner outdoor unit 1 corresponding to the temperature detection host 4, the temperature detection unit 2 is installed in close contact with the module to be detected 3, and the temperature detection host 4 is wirelessly connected with the temperature detection unit 2 and the electric control board 5 respectively;

[0048] The temperature detection unit 2 includes a cooling layer 21, and the cooling layer 21 is used to be controlled by the temperature detection unit 2 to cool the module to be tested 3;

[0049] The temperature detection unit 2 is used to generate the detection temperature;

[0050] The temperature detection host 4 is used to receive the detected temperature, link the electric control board 5 and the cooling layer 21, and perform overheat protection on the module to be tested 3.

[0051] The present invention proposes a preferred embodiment of a wireless temperature detection system of a module integrated in an air conditioner outdoor unit, such as Figures 1 to 5 As shown, in the whole machine test, in order to avoid the disadvantages of using signal line temperature detection, the temperature detection host 4 is connected to the temperature detection unit 2 via wireless communication (such as Bluetooth) to perform temperature detection on the module to be tested 3. There is no need to disassemble and assemble the air-conditioning outdoor unit 1 before and after the temperature detection, and the risk of conduction caused by the random placement of the signal line after the test is avoided, which is safer.

[0052] At the same time, in order to further improve the accuracy of temperature detection, the temperature detection host 4 is installed on the outer wall of the air-conditioning outdoor unit 1, and the temperature detection part 2 and the electric control board 5 are installed on the inner wall of the air-conditioning outdoor unit 1 corresponding to the temperature detection host 4, so that the wireless communication distance is the shortest (only separated by the outer shell of the air-conditioning outdoor unit 1), effectively avoiding external interference.

[0053] More importantly, after the temperature detection host 4 obtains the detection temperature, it also has the ability to link the electric control board 5 and the temperature detection unit 2, so as to link the relevant overheating protection measures of the electric control board 5 to protect the module to be tested 3 integrated in the electric control board 5 from overheating (mainly the overheating protection method in circuit control, such as shutting down, reducing power, shutting down some functions, etc. to reduce heat generation), and linking the cooling layer 21 on the temperature detection unit 2 to protect the module to be tested 3 from overheating (mainly the overheating protection method in the physical sense, such as cooling, heat absorption, etc.), thereby reducing the loss of the module to be tested 3 caused by overheating and burning during the whole machine test, and reducing the testing cost. It should be noted that there can be many ways for the temperature detection host 4 to link the electric control board 5 and the cooling layer 21 to cooperate to realize the overheating protection of the module to be tested 3, and the linkage control method is not limited here.

[0054] Furthermore, the linkage control of the temperature detection host 4 includes the following steps:

[0055] S1: Determine whether the detected temperature is in the normal range, the warning range or the abnormal range. If it is in the normal range, the cycle ends; if it is in the warning range, step S2 is executed; if it is in the abnormal range, step S3 is executed;

[0056] S2: Linking the overheat protection circuit of the electric control board 5 and the cooling layer 21, driving the cooling layer 21 to perform weak cooling, and then executing step S4;

[0057] S3: Linking the overheat protection circuit of the electric control board 5 and the cooling layer 21, driving the cooling layer 21 to perform forced cooling, and then executing step S5;

[0058] S4: Determine whether the detected temperature is within the normal range, if so, record the temperature data and end the loop, otherwise return to step S1;

[0059] S5: Determine whether the detected temperature is within the normal range. If so, record the temperature data and end the cycle. Otherwise, link the electric control board 5 to reduce the working power of the module to be tested 3, and then execute step S6;

[0060] S6: Determine whether the detected temperature is within the normal range, if so, record the temperature data and end the cycle, otherwise, link the electric control board 5 to turn off the module to be tested 3, then record the temperature data and end the cycle.

[0061] In this embodiment, Figure 6 As shown, the preferred linkage control of the temperature detection host 4 is as follows: first, the module 3 to be tested is divided into a normal interval, a warning interval and an abnormal interval according to the tolerance temperature of the module 3 to be tested from small to large, and corresponding cooling measures are taken according to different situations; specifically, if the detected temperature is in the warning interval, the system will link the overheat protection circuit of the electric control board 5 (mainly to inform and start the protection mechanism of the overheat protection circuit) and the cooling layer 21, and drive the cooling layer 21 to perform weak cooling until the temperature of the module 3 to be tested returns to normal (the reason for returning to step S1 to judge and then continuing weak cooling is to avoid a sudden rise in the temperature of the module 3 to be tested in the middle, and there is no time for forced cooling); if the detected temperature is in the abnormal interval, the system will also link the overheat protection circuit of the electric control board 5 and the cooling layer 21, but the cooling effect of the cooling layer 21 is further improved, and the module 3 to be tested is forced to be cooled, and when the forced cooling cannot achieve overheat protection for the module 3 to be tested, the electric control board 5 is linked to reduce the working power of the module 3 to be tested, so as to reduce the heat generation of the module 3 to be tested, and if the module 3 to be tested cannot be restored to normal until the end, the module 3 to be tested is shut down. The overheat protection logic of the linkage control method is rigorous, and can effectively combine the working mechanism of the cooling layer 21 and the electric control board 5 to protect the module 3 under test from overheating.

[0062] Furthermore, the temperature detection unit 2 also includes a heat-conducting layer 22, a detection controller 23 and at least one screw-type temperature sensor 24; the heat-conducting layer 22 is attached to the surface of the plastic sealing layer of the module to be tested 3, the cooling layer 21 and the detection controller 23 are sequentially stacked on the heat-conducting layer 22, and the tail of the screw-type temperature sensor 24 passes through the detection controller 23, the cooling layer 21 and the heat-conducting layer 22 in sequence, and is fixed to the plastic sealing layer of the module to be tested 3;

[0063] The cooling layer 21 and the screw-type temperature sensor 24 are both electrically connected to the detection controller 23 , and the detection controller 23 is wirelessly connected to the temperature detection host 4 .

[0064] In this embodiment, since the heat-conducting layer 22 is attached to the module to be tested 3, the cooling layer 21 and the detection controller 23 (such as the MCU minimum system with an integrated transmitter) are stacked on the heat-conducting layer 22 in sequence. The cooling layer 21 can isolate the heat generated by the module to be tested 3 from affecting the detection controller 23. At the same time, the heat-conducting layer 22 can quickly transfer the heat generated by the module to be tested 3 to the cooling layer 21 for cooling, thereby improving the cooling efficiency.

[0065] Based on the above structure, the temperature detection part 2 adopts a screw-type temperature sensor 24 for temperature detection. The structural characteristics of the screw-type temperature sensor 24 can be utilized. The tail of the screw-type temperature sensor 24 passes through the detection controller 23, the cooling layer 21 and the thermal conductive layer 22 in sequence, and is fixed to the plastic sealing layer of the module to be tested 3, thereby fixing the detection controller 23, the cooling layer 21 and the thermal conductive layer 22. It can also penetrate into the module to be tested 3 for temperature detection, and the detection accuracy is higher.

[0066] Furthermore, the module pin 31 of the module to be tested 3 is electrically connected to the electronic control board 5, the bottom surface of the module to be tested 3 faces the electronic control board 5, the temperature detection part 2 is installed on the bottom surface of the module to be tested 3, and a heat sink 7 is provided on the top surface of the module to be tested 3, and the heat sink 7 is connected to the cooling layer 21.

[0067] In the present embodiment, whether it is the whole machine test or the normal operation, the module to be tested 3 usually needs to be provided with a heat sink 7 for heat dissipation. In order to ensure that the installation of the temperature detection unit 2 does not affect the installation of the heat sink 7, after the module pin 31 of the module to be tested is electrically connected to the electronic control board 5, the bottom surface of the module to be tested 3 faces the electronic control board 5, the temperature detection unit 2 is installed in close contact with the bottom surface of the module to be tested 3, and the top surface of the module to be tested 3 is used to set the heat sink 7. At the same time, the cooling layer 21 can be connected to the heat sink 7 to improve the cooling efficiency of the cooling layer 21 with the help of the heat sink 7.

[0068] Furthermore, the cooling layer 21 is a refrigeration sheet, and the heat conducting layer 22 is a PCM board.

[0069] In this embodiment, the heat-conducting layer 22 attached to the module to be tested 3 is preferably a PCM board, which can absorb heat by phase change by utilizing the characteristics of PCM phase change material, and can conduct heat to the cooling layer 21, and can also play a certain role as a heat sink (absorb heat, reduce the temperature of the module to be tested 3 to a certain extent) during the operation of the module to be tested 3. The cooling layer 21 is preferably a cooling sheet, which can be attached to the heat-conducting layer 22 for heat dissipation; a cooling sheet whose main material is bismuth telluride is particularly preferred, which has good thermoelectric properties and can effectively perform cooling.

[0070] Furthermore, an electric control board installation slot 6 is also provided in the air conditioner outdoor unit 1, and the bottom surface of the electric control board installation slot 6 corresponds to the temperature detection host 4 fixed to the inner wall of the air conditioner outdoor unit 1;

[0071] The front end of the electric control board installation slot 6 is provided with an electric control board insertion port 62, and the left and right ends of the electric control board insertion port 62 are respectively provided with rotatable fixed stoppers 63, and the slot wall of the electric control board installation slot 6 is provided with a limited sliding slot 61;

[0072] The electric control board 5 is inserted from the electric control board insertion port 62, and the side edge of the electric control board 5 slides along the limiting slide groove 61 and is inserted into the electric control board installation groove 6; when the electric control board 5 is completely inserted into the electric control board installation groove 6, the fixed stopper 63 rotates to abut against the front side edge of the electric control board 5;

[0073] The electric control board 5 is integrated with the top surface or the bottom surface of the module to be tested 3 , and faces the notch of the electric control board mounting slot 6 .

[0074] In this embodiment, the electric control board 5 is installed on the inner side wall of the air conditioner outdoor unit 1 corresponding to the temperature detection host 4, and is preferably fixed by the electric control board mounting groove 6; the matching relationship between the electric control board mounting groove 6 and the electric control board 5 is preferably a sliding plug-in method, so that the top cover of the air conditioner outdoor unit 1 can be opened, and the fixing relationship can be released by rotating the fixed block 63, and the electric control board 5 can be taken out from the electric control board insertion port 62, which is convenient and quick. It should be noted that the electric control board 5 is integrated with the top surface or bottom surface of the module to be tested 3, facing the notch of the electric control board mounting groove 6, so that the vertical components (such as the radiator 7) on the electric control board 5 have enough space to be placed, and are not limited by the space of the electric control board mounting groove 6.

[0075] Furthermore, a special-shaped partition plate 11 is provided inside the air conditioner outdoor unit 1, the left side of the special-shaped partition plate 11 is a mechanical movement area 12, and the right side of the special-shaped partition plate 11 is an electric control area 13;

[0076] The temperature detection host 4 and the electric control board 5 are both installed on the side wall of the air-conditioning outdoor unit 1 in the electric control area 13 and close to the top cover of the air-conditioning outdoor unit 1 .

[0077] In the present embodiment, in order to avoid the influence of the operation of mechanical moving parts such as the outdoor fan on the circuit board 5, various sensors and other electronic control parts, a special-shaped partition plate 11 is provided in the air-conditioning outdoor unit 1 for dividing the internal space of the air-conditioning outdoor unit 1 into a mechanical movement area 12 and an electronic control area 13. Compared with the conventional straight plate partition, the special-shaped partition plate 11 is not easy to be offset and tipped over, and can be more accurately separated around the edge of the mechanical moving parts or the edge of the electronic control parts, so as to expand the space of the mechanical movement area 12 or the electronic control area 13; based on this, the temperature detection host 4 and the electronic control board 5 are preferably installed on the side wall of the air-conditioning outdoor unit 1 in the electronic control area 13 to avoid the influence of the operation of the mechanical moving parts, and close to the top cover of the air-conditioning outdoor unit 1, so that when the electronic control board 5 needs to be taken out for maintenance or replacement, or when the module to be tested 3 is disassembled, it can be taken out by disassembling the top cover of the air-conditioning outdoor unit 1, and it is also far away from other equipment or wires in the electronic control area 13, and can be quickly disassembled and assembled.

[0078] Furthermore, a temperature detection host fixing bracket 14 is provided on the outer side wall of the air conditioner outdoor unit 1 , and the temperature detection host fixing bracket 14 is used to place the temperature detection host 4 .

[0079] In this embodiment, in order to shorten the length of the electrical connection line 3, reduce costs, and facilitate the testing personnel to quickly find the temperature detection host 4 for operation or observation during a long period of whole machine testing, and to facilitate the temperature detection host 4 to be wirelessly connected with the electronic control board 5 and the temperature detection part 2 within the shortest distance to reduce interference, a temperature detection host fixing bracket 14 is provided on the outer wall of the air conditioner outdoor unit 1 for placing the temperature detection host 4.

[0080] Furthermore, the temperature detection host fixing frame 14 is made of high temperature resistant material, and the outer shell of the temperature detection host 4 is made of ceramic fiber.

[0081] In this embodiment, since the outdoor environment is easily exposed to direct sunlight, the temperature detection host fixing frame 14 needs to be made of high temperature resistant material. However, the temperature detection host fixing frame 14 is only used to place the temperature detection host 4, so the temperature detection host fixing frame 14 is preferably made of low-cost polytetrafluoroethylene (PTFE).

[0082] Since the temperature detection host 4 is in close contact with the air-conditioning outdoor unit 1, the temperature may be relatively high and it is easily exposed to direct sunlight outdoors. Therefore, the shell of the temperature detection host 4 is preferably made of ceramic fiber. Ceramic fiber has high temperature resistance and good heat insulation effect, and can be used to protect the display screen and internal devices from the high temperature of direct sunlight.

[0083] Other structures and operations of the wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to an embodiment of the present invention are known to ordinary technicians in the field and will not be described in detail here.

[0084] In the description of this specification, the description with reference to the terms "embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0085] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A wireless temperature detection system of a module integrated in an air conditioner outdoor unit, characterized in that: The device comprises an air conditioner outdoor unit, a temperature detection unit and a temperature detection host, wherein a module to be tested and an electric control board are arranged inside the air conditioner outdoor unit; the temperature detection host is installed on the outer wall of the air conditioner outdoor unit, the module to be tested is integrated in the electric control board, the electric control board is installed on the inner wall of the air conditioner outdoor unit corresponding to the temperature detection host, the temperature detection unit is installed in close contact with the module to be tested, and the temperature detection host is wirelessly connected with the temperature detection unit and the electric control board respectively; The temperature detection unit includes a cooling layer, and the cooling layer is used to be linked and controlled by the temperature detection unit to cool the module to be tested; The temperature detection unit is used to generate a detection temperature; The temperature detection host is used to receive the detected temperature, link the electric control board and the cooling layer, and perform overheat protection on the module to be tested.

2. A wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 1, characterized in that: The linkage control of the temperature detection host comprises the following steps: S1: Determine whether the detected temperature is in the normal range, the warning range or the abnormal range. If it is in the normal range, the cycle ends; if it is in the warning range, step S2 is executed; if it is in the abnormal range, step S3 is executed; S2: Linking the overheat protection circuit of the electric control board and the cooling layer to drive the cooling layer 21 to perform weak cooling, and then executing step S4; S3: Linking the overheat protection circuit of the electric control board and the cooling layer to drive the cooling layer 21 for forced cooling, and then executing step S5; S4: Determine whether the detected temperature is within a normal range, if so, record the temperature data and end the loop, otherwise return to step S1; S5: Determine whether the detected temperature is within a normal range, if so, record the temperature data and end the cycle, otherwise, link the electric control board to reduce the working power of the module to be tested, and then execute step S6; S6: Determine whether the detected temperature is within a normal range, if so, record the temperature data and end the cycle, otherwise, link the electric control board to turn off the module to be tested, then record the temperature data and end the cycle.

3. The wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 1, characterized in that: The temperature detection unit further includes a heat-conducting layer, a detection controller and at least one screw-type temperature sensor; the heat-conducting layer is attached to the surface of the plastic sealing layer of the module to be tested, the cooling layer and the detection controller are sequentially stacked on the heat-conducting layer, and the tail of the screw-type temperature sensor passes through the detection controller, the cooling layer and the heat-conducting layer in sequence, and is fixed to the plastic sealing layer of the module to be tested; The cooling layer and the screw-type temperature sensor are both electrically connected to the detection controller, and the detection controller is wirelessly connected to the temperature detection host.

4. A wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 3, characterized in that: The module pins of the module to be tested are electrically connected to the electric control board, the bottom surface of the module to be tested faces the electric control board, the temperature detection part is installed on the bottom surface of the module to be tested, and a heat sink is provided on the top surface of the module to be tested, and the heat sink is connected to the cooling layer.

5. The wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 3, characterized in that: The cooling layer is a refrigeration sheet, and the heat-conducting layer is a PCM board.

6. The wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 3, characterized in that: The air conditioner outdoor unit is also provided with an electric control board installation slot, and the bottom surface of the electric control board installation slot corresponds to the temperature detection host and is fixed to the inner side wall of the air conditioner outdoor unit; The front end of the electric control board installation slot is provided with an electric control board insertion port, the left and right ends of the electric control board insertion port are respectively provided with rotatable fixed stoppers, and the slot wall of the electric control board installation slot is provided with a limited sliding slot; The electric control board is inserted from the electric control board insertion port, and the side edge of the electric control board slides along the limiting sliding groove and is inserted into the electric control board installation groove; when the electric control board is completely inserted into the electric control board installation groove, the fixed stopper rotates to abut against the front side edge of the electric control board; The electric control board is integrated with the top surface or the bottom surface of the module to be tested, and faces the notch of the electric control board installation slot.

7. The wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 1, characterized in that: A special-shaped partition plate is provided inside the air conditioner outdoor unit, the left side of the special-shaped partition plate is a mechanical movement area, and the right side of the special-shaped partition plate is an electric control area; The temperature detection host and the electric control panel are both installed on the side wall of the air conditioner outdoor unit in the electric control area and close to the top cover of the air conditioner outdoor unit.

8. The wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 1, characterized in that: The outer side wall of the air conditioner outdoor unit is provided with a temperature detection host fixing frame, and the temperature detection host fixing frame is used for placing the temperature detection host.

9. A wireless temperature detection system of a module integrated in an air conditioner outdoor unit according to claim 8, characterized in that: The temperature detection host fixing frame is made of high temperature resistant material, and the shell of the temperature detection host is made of ceramic fiber.

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