A temperature and humidity sensor for an electrical distribution cabinet

Abstract

The utility model relates to power distribution cabinet monitoring technical field, and disclose a kind of temperature and humidity sensor of power distribution cabinet, including the shell assembly of combination state setting, data transmission component and temperature and humidity sensing monitoring component, shell assembly includes bottom plate and shell casing, first heat dissipation hole and second heat dissipation hole are provided on shell casing, for the heat in shell is quickly dissipated, guarantee internal component operating stability;Screw assembly hole is opened between the front and rear sidewalls of four corners of bottom plate. The utility model is distributed by first heat dissipation hole, second heat dissipation hole on shell casing, high -efficiently dissipate internal heat, avoid heat accumulation to influence element life;While bottom plate and shell casing are realized by fast dismounting by fastening screw, screw assembly hole, screw hole, the maintenance of internal component is convenient.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet monitoring technology, specifically a temperature and humidity sensor for power distribution cabinets. Background Technology

[0002] Distribution cabinets are used in power systems to distribute and control electrical energy. The operating status of their internal electrical components is easily affected by temperature and humidity, thus requiring real-time monitoring by temperature and humidity sensors. Existing temperature and humidity sensors in some distribution cabinets have the following shortcomings: poor heat dissipation performance of the sensor housing, which can easily lead to heat buildup within the components over long-term use, affecting component lifespan; insufficient installation flexibility, making it difficult to conveniently place temperature and humidity probes in multiple locations within the distribution cabinet; signal transmission is susceptible to electromagnetic interference, resulting in inaccurate monitoring data; and the disassembly and maintenance of sensor components are not convenient enough. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a temperature and humidity sensor for a power distribution cabinet. By incorporating a housing assembly with multiple heat dissipation holes, a flexibly installable temperature and humidity sensing and monitoring component, and a flexible shielded cable, it solves the problems of poor heat dissipation, inflexible installation, easy signal interference, and inconvenient disassembly and maintenance in the prior art.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a temperature and humidity sensor for a power distribution cabinet, comprising a housing assembly, a data transmission assembly, and a temperature and humidity sensing and monitoring assembly arranged in a combined manner.

[0007] The outer casing assembly includes a base plate and an outer casing. The outer casing is provided with a first heat dissipation hole and a second heat dissipation hole to quickly dissipate heat from the casing and ensure the operational stability of the internal components. Screw mounting holes are provided between the front and rear side walls at the four corners of the base plate. The outer casing is provided with a first connector seat mating groove and a second connector seat mating groove. A threaded hole is provided at the rear end of the outer casing corresponding to the screw mounting holes. A fastening screw passes through the screw mounting hole and is threadedly connected to the corresponding threaded hole, enabling quick assembly and disassembly of the base plate and the outer casing, facilitating the maintenance of the internal components.

[0008] The data transmission component includes a data transmission main board fixedly connected to the center of the front end of the base plate for processing temperature and humidity monitoring signals. Data output connectors are provided at both ends of the data transmission main board, and a data input connector is provided at the bottom of the data transmission main board. The data output connector is engaged with the first connector in a slot, and the data input connector is engaged with the second connector in a slot, making the fit between the connector and the housing more secure and facilitating plugging and unplugging for maintenance.

[0009] The temperature and humidity sensing and monitoring component includes a plug assembly that connects to a data input connector. One end of the plug assembly is connected to a temperature sensing probe via a connecting wire, and the other end of the plug assembly is connected to a humidity sensing probe via a connecting wire, for monitoring temperature and humidity respectively. Both the temperature sensing probe and the humidity sensing probe are equipped with mounting bases, which can be used with the mounting assembly to install and fix them in multiple locations within the power distribution cabinet, improving installation flexibility, and transmitting the temperature and humidity monitoring signal data to the data transmission motherboard.

[0010] As a further improvement of this utility model: there are multiple first heat dissipation holes and multiple second heat dissipation holes, and the multiple first heat dissipation holes and multiple second heat dissipation holes are respectively arranged in an array on the outer shell. Through the array of multiple heat dissipation holes, the heat dissipation area is maximized and the internal heat is efficiently dissipated.

[0011] As a further improvement of this utility model: a U-shaped frame is fixedly connected to the middle position of the back of the base plate. Two waist-shaped holes are symmetrically opened on the U-shaped frame, which can be used with the installation components to install and position the overall shell components. The design of the waist-shaped holes makes the position adjustment during installation more flexible.

[0012] As a further improvement of this utility model: the temperature sensing probe is a thermistor temperature sensor, which has the characteristics of high sensitivity and fast response; the humidity sensing probe is a capacitive humidity sensor, which has high measurement accuracy and good stability.

[0013] As a further improvement of this utility model, the connecting line is a flexible shielded cable, which is used to reduce the impact of external electromagnetic interference on the temperature and humidity sensing signal and ensure the accuracy of the monitoring data.

[0014] As a further improvement of this utility model, both the data input connector and the data output connector are multi-pin connectors, and their pin definitions are matched to achieve bidirectional signal transmission, thereby improving the compatibility and reliability of signal transmission.

[0015] As a further improvement of this utility model: the mounting base is made of insulating material, and the mounting base has a slot for fixing the temperature sensing probe and the humidity sensing probe. The insulating material avoids the risk of leakage, and the slot makes the probe more securely fixed.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. In this utility model, the internal heat is efficiently dissipated through the first heat dissipation holes and the second heat dissipation holes arrayed on the outer shell, avoiding heat accumulation that could affect the lifespan of the components; at the same time, the base plate and the outer shell can be quickly disassembled and assembled through fastening screws, screw mounting holes and threaded holes, which facilitates the maintenance of the internal components.

[0018] 2. In this utility model, the temperature and humidity sensing probes of the temperature and humidity sensing monitoring component can be flexibly installed in multiple locations within the power distribution cabinet via the mounting base, improving the comprehensiveness of monitoring; the connecting wires use flexible shielded cables to reduce electromagnetic interference and ensure the accuracy of monitoring data; the multi-pin connector design of the data input and output connectors enables stable bidirectional signal transmission. Attached Figure Description

[0019] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0020] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0021] Figure 3 The three-dimensional shell assembly and data transmission motherboard of this utility model Figure 1 ;

[0022] Figure 4 The three-dimensional shell assembly and data transmission motherboard of this utility model Figure 2 ;

[0023] Figure 5 This is a three-dimensional view of the temperature and humidity sensing and monitoring component of this utility model.

[0024] In the diagram: 1. Housing assembly; 2. Data transmission assembly; 3. Temperature and humidity sensing and monitoring assembly; 11. Base plate; 12. Housing shell; 13. First heat dissipation hole; 14. Second heat dissipation hole; 15. Screw mounting hole; 16. First connector mating groove; 17. Second connector mating groove; 18. Threaded hole; 19. Fastening screw; 110. U-shaped bracket; 111. Waist-shaped hole; 21. Data transmission main board; 22. Data output connector; 23. Data input connector; 31. Plug assembly; 32. Connecting cable; 33. Temperature sensing probe; 34. Humidity sensing probe; 35. Mounting base. Detailed Implementation

[0025] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0026] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Please see Figures 1-5 In this embodiment of the utility model, a temperature and humidity sensor for a power distribution cabinet includes a housing assembly 1, a data transmission assembly 2, and a temperature and humidity sensing and monitoring assembly 3 arranged in a combined manner.

[0029] The outer casing assembly 1 includes a base plate 11 and an outer casing 12. The outer casing 12 is provided with a first heat dissipation hole 13 and a second heat dissipation hole 14 to quickly dissipate heat inside the casing and ensure the stable operation of internal components. Screw mounting holes 15 are provided between the front and rear side walls at the four corners of the base plate 11. The outer casing 12 is provided with a first connector seat mating groove 16 and a second connector seat mating groove 17. A threaded hole 18 is provided at the rear end of the outer casing 12 corresponding to the screw mounting hole 15. A fastening screw 19 passes through the screw mounting hole 15 and is threadedly connected to the corresponding threaded hole 18, so as to realize the quick assembly and disassembly of the base plate 11 and the outer casing 12, which facilitates the maintenance of internal components.

[0030] The data transmission component 2 includes a data transmission main board 21 fixedly connected to the center of the front end of the base plate 11 for processing temperature and humidity monitoring signals. Data output connectors 22 are provided at both ends of the data transmission main board 21, and a data input connector 23 is provided at the bottom end of the data transmission main board 21. The data output connector 22 is engaged with the first connector groove 16, and the data input connector 23 is engaged with the second connector groove 17, making the fit between the connector and the housing more stable and facilitating plugging and unplugging for maintenance.

[0031] The temperature and humidity sensing and monitoring component 3 includes a plug assembly 31 that connects to the data input connector 23. One end of the plug assembly 31 is connected to a temperature sensing probe 33 via a connecting wire 32, and the other end of the plug assembly 31 is connected to a humidity sensing probe 34 via a connecting wire 32, for monitoring temperature and humidity respectively. Both the temperature sensing probe 33 and the humidity sensing probe 34 are equipped with mounting bases 35, which can be used with the mounting components to install and fix them in multiple locations within the power distribution cabinet, improving installation flexibility, and transmitting the temperature and humidity monitoring signal data to the data transmission motherboard 21.

[0032] There are multiple first heat dissipation holes 13 and multiple second heat dissipation holes 14, and the multiple first heat dissipation holes 13 and multiple second heat dissipation holes 14 are respectively arranged in an array on the outer shell 12. The heat dissipation area is maximized through the array of multiple heat dissipation holes, and the internal heat is efficiently dissipated.

[0033] A U-shaped frame 110 is fixedly connected to the middle of the back of the base plate 11. Two waist-shaped holes 111 are symmetrically opened on the U-shaped frame 110, which can be used with the installation components to install and position the overall shell component 1. The design of the waist-shaped holes 111 makes the position adjustment more flexible during installation.

[0034] Temperature sensing probe 33 is a thermistor-type temperature sensor, characterized by high sensitivity and fast response; humidity sensing probe 34 is a capacitive humidity sensor, characterized by high measurement accuracy and good stability.

[0035] Connector 32 is a flexible shielded cable, used to reduce the impact of external electromagnetic interference on temperature and humidity sensing signals and ensure the accuracy of monitoring data.

[0036] Both the data input connector 23 and the data output connector 22 are multi-pin connectors, and their pin definitions are matched to achieve bidirectional signal transmission, thereby improving the compatibility and reliability of signal transmission.

[0037] The mounting base 35 is made of insulating material, and the mounting base 35 has a slot for fixing the temperature sensing probe 33 and the humidity sensing probe 34. The insulating material avoids the risk of leakage, and the slot makes the probe more secure.

[0038] The working principle of this utility model is as follows: During installation, the mounting components are used in conjunction with the waist-shaped holes 111 of the U-shaped frame 110 on the back of the base plate 11 to fix the outer shell assembly 1 in a suitable position inside the power distribution cabinet; the temperature sensing probe 33 and humidity sensing probe 34 are installed in the parts of the power distribution cabinet that need to be monitored through the mounting base 35, and then the plug assembly 31 is connected to the data input connector 23, and the data output connector 22 can be connected to other devices; during use, the temperature sensing probe 33 and humidity sensing probe 34 monitor the temperature and humidity respectively, and transmit the signals to the data transmission motherboard 21 for processing through the connecting cable 32, and the flexible shielded cable reduces electromagnetic interference; the first heat dissipation hole 13 and the second heat dissipation hole 14 of the outer shell 12 dissipate the internal heat; during maintenance, the base plate 11 and the outer shell 12 can be separated by loosening the fastening screws 19, which facilitates the inspection of internal components, and the plug assembly 31 and connector can also be plugged and unplugged for maintenance.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A temperature and humidity sensor for a power distribution cabinet, comprising a housing assembly (1), a data transmission assembly (2), and a temperature and humidity sensing and monitoring assembly (3) arranged in a combined manner; Its features are: The outer casing assembly (1) includes a base plate (11) and an outer casing (12). The outer casing (12) is provided with a first heat dissipation hole (13) and a second heat dissipation hole (14). The base plate (11) has screw mounting holes (15) between the front and rear side walls at the four corners. The outer casing (12) has a first connector seat mating groove (16) and a second connector seat mating groove (17). The rear end of the outer casing (12) is provided with a threaded hole (18) corresponding to the screw mounting hole (15). A fastening screw (19) passes through the screw mounting hole (15) and is threadedly connected to the corresponding threaded hole (18). The data transmission component (2) includes a data transmission main board (21) fixedly connected to the center of the front end of the base plate (11). Data output connectors (22) are provided at both ends of the data transmission main board (21), and a data input connector (23) is provided at the bottom end of the data transmission main board (21). The data output connector (22) is engaged with the first connector mating groove (16), and the data input connector (23) is engaged with the second connector mating groove (17). The temperature and humidity sensing and monitoring component (3) includes a plug assembly (31) that connects to a data input connector (23). One end of the plug assembly (31) is connected to a temperature sensing probe (33) via a connecting wire (32), and the other end of the plug assembly (31) is connected to a humidity sensing probe (34) via a connecting wire (32). Both the temperature sensing probe (33) and the humidity sensing probe (34) are equipped with mounting bases (35).

2. The temperature and humidity sensor for a power distribution cabinet according to claim 1, characterized in that: There are multiple first heat dissipation holes (13) and multiple second heat dissipation holes (14), and the multiple first heat dissipation holes (13) and multiple second heat dissipation holes (14) are respectively arranged in an array on the outer shell (12).

3. The temperature and humidity sensor for a power distribution cabinet according to claim 1, characterized in that: A U-shaped frame (110) is fixedly connected to the middle of the back of the base plate (11), and two waist-shaped holes (111) are symmetrically opened on the U-shaped frame (110).

4. The temperature and humidity sensor for a power distribution cabinet according to claim 1, characterized in that: The temperature sensing probe (33) is a thermistor temperature sensor, and the humidity sensing probe (34) is a capacitive humidity sensor.

5. The temperature and humidity sensor for a power distribution cabinet according to claim 1, characterized in that: The connecting line (32) is a flexible shielded cable.

6. The temperature and humidity sensor for a power distribution cabinet according to claim 1, characterized in that: Both the data input connector (23) and the data output connector (22) are multi-pin connectors, and their pin definitions are matched to achieve bidirectional signal transmission.

7. The temperature and humidity sensor for a power distribution cabinet according to claim 1, characterized in that: The mounting base (35) is made of insulating material, and the mounting base (35) has a slot for fixing the temperature sensing probe (33) and the humidity sensing probe (34).

Images