Temperature distribution testing device for blower
By using a constant temperature and humidity module and a mechanical positioning structure in the hair dryer temperature distribution testing device, the problem of inaccurate test results in ordinary laboratory environments is solved, and high-precision and repeatable temperature distribution testing is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-20
AI Technical Summary
Existing technologies for testing the temperature distribution of hair dryers in ordinary laboratory environments cannot guarantee constant temperature and humidity conditions, leading to measurement deviations and making it difficult to achieve high-precision temperature distribution testing.
The system employs a constant temperature and humidity module, a test platform, and a product carrier, combined with a humidifier and air conditioner, to ensure strict control of the test environment. Mechanical positioning is achieved through a sealing plate and a pressing component to ensure precise alignment of the temperature sensor and the blower. A ring-shaped temperature sensor array is used to collect data from all directions.
Under strictly controlled constant temperature and humidity conditions, the influence of external environmental fluctuations on the measurement is eliminated, improving the accuracy and repeatability of temperature distribution testing and ensuring the reliability and consistency of test results.
Smart Images
Figure CN224019161U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of temperature distribution testing, in particular to a temperature distribution testing device for a hair dryer. BACKGROUND
[0002] With the increasing requirements of people on the use experience and safety of hair dryers, the airflow temperature distribution of hair dryers has become an important indicator for measuring the performance of hair dryers. Especially in the professional fields of hair care and hair styling, uniform and stable air outlet temperature not only relates to the use comfort, but also directly affects the uniformity of hair heating and the risk of heat damage. Therefore, the temperature distribution testing of hair dryer semi-finished products on the production line has become an indispensable part of quality control and product research and development.
[0003] The prior art usually adopts a thermocouple sensor array or an infrared temperature measurement method to test the temperature distribution of the air outlet of a hair dryer. However, these tests are mostly carried out in ordinary laboratory environments, and the constant temperature and humidity conditions during the testing process cannot be guaranteed. Fluctuations in environmental temperature and humidity will cause measurement deviations. Therefore, how to carry out high-precision testing on the temperature distribution of the air blown out by the hair dryer semi-finished product under strict constant temperature and humidity environment is a difficult problem currently faced. CONTENT OF THE INVENTION
[0004] In order to be able to carry out high-precision testing on the temperature distribution of the air blown out by the hair dryer semi-finished product under strict constant temperature and humidity environment, the present application provides a temperature distribution testing device for a hair dryer. The present application provides the following technical solutions:
[0005] A temperature distribution testing device for a hair dryer, comprising a constant temperature and humidity module, a testing platform and a product carrier for carrying a product to be tested, the testing platform is arranged in the constant temperature and humidity module, the testing platform is provided with a sealing plate, a sealing box, a temperature testing assembly and a pressing assembly, the sealing plate is arranged above the sealing box, the pressing assembly is arranged above the product carrier, and the temperature testing assembly is arranged on one side of the product carrier; the sealing box is arranged on the bottom surface of the testing platform and is provided with an open top end, a power socket is arranged at the open top end of the sealing box, the power socket is connected with the inside of the sealing box, and the sealing box is connected with an air inlet; the product carrier is arranged on the sealing plate, the sealing plate can move in the vertical direction, the sealing plate is lowered to close the sealing box, and the product to be tested is plugged into the power socket.
[0006] In a specific embodiment, the constant temperature and humidity module comprises a sealed space made of acrylic, a humidifier and an air conditioner, and the humidifier and the air conditioner are both installed on the sealed space made of acrylic.
[0007] In one specific implementation, the pressing assembly includes a pressing cylinder, a pressing plate, and a fixing frame, the fixing frame is arranged on the test platform, the pressing cylinder is arranged on the fixing frame, a piston rod of the pressing cylinder is connected with the pressing plate, and the pressing plate is arranged above the product carrier.
[0008] In one specific implementation, the bottom surface of the test platform is provided with a lifting cylinder, a piston rod of the lifting cylinder is connected with the sealing plate through the test platform.
[0009] In one specific implementation, the bottom surface of the sealing plate is provided with four vertically arranged guide rods at four corners, and the bottom end of each guide rod is arranged through the test platform.
[0010] In one specific implementation, the temperature test assembly includes a fiberglass plate and a plurality of temperature sensors, the plurality of temperature sensors are arranged on the fiberglass plate, the fiberglass plate is arranged on the test platform and located at one side of the product carrier.
[0011] In one specific implementation, the plurality of temperature sensors are arranged in a ring shape on the fiberglass plate.
[0012] In one specific implementation, the product to be tested is provided with a rear cover at an end away from the output end.
[0013] In summary, the beneficial effects of the present application at least include:
[0014] 1) By using a humidifier and an air conditioner in the acrylic sealing space, the temperature and humidity of the test environment are strictly controlled, so that the heat transfer process inside and outside the hair dryer is not affected by the external environment fluctuations, thereby greatly improving the stability and accuracy of the data collected by the temperature sensor. The precise environmental control effectively eliminates the changes in thermal conductivity characteristics caused by dry air or excessive humidity in traditional laboratories, as well as the measurement errors caused by external temperature fluctuations, making the temperature distribution curve more reliable and repeatable.
[0015] 2) With the precise mechanical positioning structure of the sealing plate and the down pressing plate, the relative position of the hair dryer semi-finished product to the ring-shaped sensor array on the fiberglass plate is maintained before and after testing, ensuring the consistency of the sampling angle and the measurement point position. This mechanical positioning scheme not only avoids the local measurement blind area caused by air leakage and position deviation, but also makes the test results of different batches of semi-finished products highly comparable, which is helpful for quality control and performance evaluation on the production line.
[0016] First, the constant temperature and humidity module is started to accurately control the humidity and temperature at the target value, the product to be tested is placed on the product carrier installed on the top surface of the sealing plate, the lifting cylinder is started to make the sealing plate descend under the guidance of the guide rod, the top opening of the sealing box is completely closed, and the blower is plugged into the built-in power socket to complete the power-on; then, the down pressure cylinder is started, the down pressure plate is flexibly pressed against the product to be tested, and the air outlet thereof is accurately aligned with the annular temperature sensor array on the glass fiber plate on one side of the test platform top surface. At this time, the air adjusted to constant temperature and humidity is sent in through the air inlet at the bottom of the sealing box, the airflow is uniformly blown to the glass fiber plate from the air outlet after passing through the product to be tested, and the multiple temperature sensors distributed in a ring collect temperature data in each radial direction. The whole process relies on strict environmental control and accurate mechanical positioning, effectively eliminates the interference of external temperature and humidity fluctuations and air leakage, and ensures high-precision and repeatable testing of the air outlet temperature distribution of the blower semi-finished product.
[0017] The above description is only a summary of the technical solutions of the present application. In order to more clearly understand the technical means of the present application, and to implement the content of the description, the following will be described in detail with the preferred embodiments of the present application and with the help of the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic diagram of the constant temperature and humidity module in the embodiment.
[0019] Figure 2 is a structural schematic diagram of the temperature distribution testing device for the blower in the embodiment Figure 1 .
[0020] Figure 3 is a structural schematic diagram of the temperature distribution testing device for the blower in the embodiment Figure 2 .
[0021] Figure 4 is a structural schematic diagram of the product to be tested in the embodiment.
[0022] Figure 5 is a structural schematic diagram of the temperature testing assembly in the embodiment.
[0023] FIG. 1 is a structural schematic diagram of the constant temperature and humidity module; FIG. 2 is a structural schematic diagram of the product to be tested; FIG. 3 is a structural schematic diagram of the temperature testing assembly; FIG. 4 is a structural schematic diagram of the temperature distribution testing device for the blower; and FIG. 5 is a structural schematic diagram of the temperature distribution testing device for the blower. DETAILED DESCRIPTION
[0024] The specific embodiments of the present application will be further described in details below with reference to the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.
[0025] To make the above objectives, features and advantages of the present application more apparent, a detailed description of the specific embodiments of the present application will be given below with reference to the drawings. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, but not all the structures. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0026] The terms "comprising" and "having" and any variations thereof in the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but optionally further includes steps or units not listed, or optionally further includes other steps or units inherent to the process, method, product or device.
[0027] In this document, reference to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that the embodiments described herein are merely examples from a multitude of possible embodiments that can be made based on the present application.
[0028] The embodiments of the present application disclose a temperature distribution testing device for a hair dryer.
[0029] With reference to Figure 1 and Figure 2The temperature distribution test device for the hair dryer comprises a constant temperature and humidity module 1, a test platform 3 and a product carrier 31 for carrying the product to be tested 2, the test platform 3 is arranged in the constant temperature and humidity module 1, the constant temperature and humidity module 1 comprises an acrylic sealing space 11, a humidifier 12 and an air conditioner 13, and the humidifier 12 and the air conditioner 13 are both mounted on the side wall of the acrylic sealing space 11. Through the arrangement of the humidifier 12 and the air conditioner 13, the humidifier 12 continuously supplements water vapor into the acrylic sealing space 11, so that the relative humidity of the environment is stabilized within a preset range, thereby avoiding the influence of dry or humid air on the air flow heat conduction characteristics and the sensor response; the air conditioner 13 is responsible for refrigeration or heating of the sealing space, and controls the temperature at the target value, offsetting the interference brought by the external temperature fluctuation. The two work together to ensure that the test box is always in a strict constant temperature and humidity state, thereby improving the accuracy and repeatability of the hair dryer temperature distribution test results.
[0030] Referring to Figure 2 and Figure 3 , the test platform 3 is provided with a sealing plate 32, a sealing box 5, a temperature test assembly 4 and a pressing assembly 6, the sealing plate 32 is arranged above the sealing box 5, the pressing assembly 6 is arranged above the product carrier 31, and the temperature test assembly 4 is arranged on one side of the product carrier 31. Specifically, the sealing box 5 is fixedly installed on the bottom surface of the test platform 3 and is provided with an open top end, a power supply socket 8 is mounted at the open top end of the sealing box 5, the power supply socket 8 is connected with the inside of the sealing box 5, and the sealing box 5 is connected with an air inlet 33 at the bottom end. The product carrier 31 is fixedly installed on the top surface of the sealing plate 32, a lifting cylinder 7 is fixedly installed on the bottom surface of the test platform 3, the piston rod of the lifting cylinder 7 is fixedly connected with the sealing plate 32 through the test platform 3, and vertical guide rods 34 are connected at the four corners of the bottom surface of the sealing plate 32 and are arranged vertically, and the bottom end of each guide rod 34 is arranged through the test platform 3. After the product to be tested 2 is placed on the product carrier 31, the lifting cylinder 7 is started, the sealing plate 32 and the product carrier 31 are lowered under the guidance of the guide rods 34, until the product carrier 31 is lowered to one side of the temperature test assembly 4, at this time the sealing plate 32 seals the open top end of the sealing box 5, at the same time the product to be tested 2 is plugged into the power supply socket 8 to complete the power supply operation of the product to be tested 2, and at the same time, since the power supply socket 8 is connected with the inside of the sealing box 5, the gas entering through the air inlet 33 can enter the product to be tested 2 through the power supply socket 8.
[0031] Referring to Figure 2 and Figure 3The pressing assembly 6 comprises a pressing cylinder 61, a pressing plate 62 and a fixing frame 63. The fixing frame 63 is installed on the top surface of the test platform 3. The pressing cylinder 61 is installed on the fixing frame 63. The piston rod of the pressing cylinder 61 is connected with the pressing plate 62. The pressing plate 62 is arranged above the product carrier 31. The pressing plate 62 is made of rubber, which can softly protect the product 2 while pressing the product 2.
[0032] With reference to Figure 3 and Figure 4 , the product 2 is connected with the rear cover 9 through a screw at one end away from the output end. The rear cover 9 is connected with the air inlet end of the product 2, which is used to seal all openings except the output end, so as to ensure that the humidified constant temperature air is only discharged through the air outlet of the hair dryer, which not only ensures the sealing of the internal airflow path and prevents air leakage and external air interference, but also makes the measurement result more comparable and accurate.
[0033] With reference to Figure 3 and Figure 5 , the temperature test assembly 4 comprises a glass fiber plate 41 and a plurality of temperature sensors 42. The plurality of temperature sensors 42 are embedded in the glass fiber plate 41. The glass fiber plate 41 is fixedly installed on the top surface of the test platform 3 and located at one side of the product carrier 31. The plurality of temperature sensors 42 are arranged in a ring shape on the glass fiber plate 41. The ring-shaped temperature sensors 42 can be uniformly arranged around the air outlet of the hair dryer at 360°, which can collect the temperature changes of the airflow in all radial directions, reflect the temperature difference between the central region and the edge region, accurately locate the local hot spots or cold spots, and comprehensively evaluate the temperature distribution uniformity and overall performance of the hair dryer.
[0034] In summary, before testing, first start the constant temperature and humidity module 1 - located in the side wall of the sealed space 11 of the humidifier 12 to continue to supplement the sealed space with water vapor, the relative humidity is stable in the preset range; air conditioner 13 is carried out refrigeration or heating to the sealed space, the temperature is accurately controlled in the target value, both of which guarantee the box is always in strict constant temperature and humidity state. Subsequently, the product to be tested 2 has been buckled after the cover 9 is placed on the product carrier 31 installed on the top of the sealed plate 32, the lifting cylinder 7 is started to make the sealed plate 32 descend under the guidance of the guide rod 34, the top opening of the sealed box 5 is completely closed and the blower is plugged into the built-in power socket 8 to complete the power on; then, the down pressure cylinder 61 is started, the down pressure plate 62 of the excellent force glue material is used to carry out flexible pressing of the product to be tested 2, and the air outlet is accurately aligned with the array of annular temperature sensors 42 on one side of the glass fiber plate 41 on the top surface of the test platform 3. At this time, the air adjusted to constant temperature and humidity is sent into the air inlet 33 at the bottom of the sealed box 5, and the airflow is uniformly blown to the glass fiber plate 41 from the air outlet after passing through the product to be tested 2. The multiple temperature sensors 42 distributed in a ring present 360° omnidirectional collection of temperature data in each radial direction. The whole process relies on strict environmental control and accurate mechanical positioning, effectively eliminates the interference of external temperature and humidity fluctuations and air leakage, and ensures the high precision and repeatable test of the air outlet temperature distribution of the blower semi-finished product.
[0035] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A temperature distribution testing device for a hair dryer, characterized in that, The device includes a constant temperature and humidity module, a test platform, and a product carrier for carrying the product under test. The test platform is located inside the constant temperature and humidity module and includes a sealing plate, a sealing box, a temperature testing component, and a pressing component. The sealing plate is located above the sealing box, the pressing component is located above the product carrier, and the temperature testing component is located on one side of the product carrier. The sealing box is located on the bottom surface of the test platform and has an opening at its top. A power socket is located at the top opening of the sealing box and is connected to the interior of the sealing box. The sealing box has an air inlet. The product carrier is located on the sealing plate, which is capable of vertical movement. When the sealing plate descends, it closes the sealing box, and the product under test is inserted into the power socket.
2. The temperature distribution testing device for a hair dryer according to claim 1, characterized in that, The constant temperature and humidity module includes an acrylic sealed space, a humidifier, and an air conditioner, with the humidifier and the air conditioner both installed in the acrylic sealed space.
3. The temperature distribution testing device for a hair dryer according to claim 1, characterized in that, The pressing assembly includes a pressing cylinder, a pressing plate, and a fixing frame. The fixing frame is mounted on the test platform, the pressing cylinder is mounted on the fixing frame, the piston rod of the pressing cylinder is connected to the pressing plate, and the pressing plate is positioned above the product carrier.
4. The temperature distribution testing device for a hair dryer according to claim 1, characterized in that, The bottom surface of the test platform is equipped with a lifting cylinder, and the piston rod of the lifting cylinder passes through the test platform and is connected to the sealing plate.
5. The temperature distribution testing device for a hair dryer according to claim 4, characterized in that, The sealing plate has vertically arranged guide rods at the four corners of its bottom surface, and the bottom end of each guide rod passes through the test platform.
6. The temperature distribution testing device for a hair dryer according to claim 1, characterized in that, The temperature testing assembly includes a fiberglass board and several temperature sensors. The several temperature sensors are mounted on the fiberglass board, which is mounted on the testing platform and located on one side of the product carrier.
7. The temperature distribution testing device for a hair dryer according to claim 6, characterized in that, Several of the temperature sensors are arranged in a ring on the fiberglass plate.
8. The temperature distribution testing device for a hair dryer according to claim 1, characterized in that, The end of the product under test furthest from its output end is fitted with a back cover.