Electrical element environment simulation durability experiment equipment

Abstract

The utility model discloses electrical element environment simulation durability experiment equipment, which comprises a simulation box, a temperature simulation mechanism, a humidity simulation mechanism, an exhaust assembly and a temperature and humidity transmitter, and is characterized in that a box door is arranged on the simulation box; the temperature simulation mechanism comprises a fresh air pipe, a circulating fan, a heating bag assembly and a box body heating bag flange which are connected in sequence; the humidity simulation mechanism comprises a humidifier and a humidifying straight pipe, the humidifying straight pipe is connected to the output end of the humidifier, and the humidifying straight pipe extends into the box body heating bag flange; the air exhaust assembly comprises an air exhaust pipe and an air exhaust fan which are mounted at the top of the simulation box, and the air exhaust pipe is communicated with the interior of the simulation box; and the function end of the temperature and humidity transmitter is arranged in the simulation box. According to the electrical element environment simulation durability experiment equipment, the temperature and the humidity can be independently adjusted, the electrical element is placed in a simulation box similar to an actual application environment, and various working performances and the service life of the electrical element are tested.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical test field, concretely relates to a kind of electrical component environment simulation durability experimental equipment. BACKGROUND

[0002] Electrical component is widely used in industrial and agricultural production and daily life, and it mainly includes resistance, capacitance, inductance, various sensors and various integrated circuits etc., and the scope is very extensive.Some electrical components, such as resistance, capacitance and integrated circuit chip, are usually used after packaging, which isolates the influence of environmental atmosphere on its functional components.Other electrical components, such as metal oxide sensor and semiconductor electronic ceramic, need to be exposed to environmental atmosphere, and the temperature and humidity of these environments greatly affect the working performance and fatigue life of electrical components, and even hide huge security risks.

[0003] Therefore, a kind of electrical component environment simulation durability experimental equipment is needed to understand the actual working performance of electrical component first, measure the working life of electrical component, avoid the reduction of service life of electrical component due to environmental influence in use process, and appear security risk and accident. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a kind of electrical component environment simulation durability experimental equipment, and the temperature and humidity can be adjusted individually, the electrical component is placed in the simulation box similar to the actual application environment, and the working performance and service life of electrical component are tested.

[0005] The technical scheme adopted by the utility model to solve its technical problems is:

[0006] A kind of electrical component environment simulation durability experimental equipment, comprising:

[0007] Simulation box, box door is arranged on the simulation box;

[0008] Temperature simulation mechanism, including new air pipe, circulating fan, heating bag assembly and box body heating bag flange connected in sequence, the box body heating bag flange is connected to the bottom of the simulation box;

[0009] Humidity simulation mechanism, including humidifier and humidification straight pipe, the humidification straight pipe is connected to the output end of humidifier, the humidification straight pipe extends to the inside of the box body heating bag flange, and a plurality of humidification holes are arranged on the humidification straight pipe;

[0010] Exhaust component, including exhaust pipe and exhaust fan installed on the top of the simulation box, the exhaust pipe is communicated with the inside of the simulation box;

[0011] A temperature and humidity transmitter is installed on the side wall of the simulation box, and a functional end of the temperature and humidity transmitter is arranged inside the simulation box.

[0012] As a further improvement of the above technical solution, the heating bag assembly comprises a heating bag framework and an electric heating pipe arranged inside the heating bag framework, one end of the heating bag framework is connected with the air outlet of the circulating fan, and the other end of the heating bag framework is connected with the box heating bag flange.

[0013] As a further improvement of the above technical solution, a dry burning protection box is arranged on the heating bag framework, and the dry burning protection box is electrically connected with the electric heating pipe.

[0014] As a further improvement of the above technical solution, a filter drawer is arranged on the heating bag framework, and the filter drawer is located between the electric heating pipe and the box heating bag flange, and a filter is arranged in the filter drawer.

[0015] As a further improvement of the above technical solution, a return air pipe is arranged on the side wall of the simulation box, the return air pipe is connected with the air inlet of the circulating fan, and the fresh air pipe and the return air pipe are communicated.

[0016] As a further improvement of the above technical solution, the fresh air pipe and the exhaust pipe are each provided with a damper.

[0017] As a further improvement of the above technical solution, an explosion-proof micro-pressure difference transmitter is further installed on the side wall of the simulation box, and a functional end of the explosion-proof micro-pressure difference transmitter is arranged inside the simulation box.

[0018] As a further improvement of the above technical solution, an observation window is arranged on the side wall of the simulation box.

[0019] As a further improvement of the above technical solution, two hot air guide vanes extending towards the simulation box are arranged in the box heating bag flange, the extension end of the hot air guide vane is bent upwards, the two hot air guide vanes are arranged in layers in the vertical direction, and the length of the hot air guide vane in the upper layer extending into the simulation box is less than that of the hot air guide vane in the lower layer.

[0020] As a further improvement of the above technical solution, a hot air diffuser assembly is arranged in the simulation box, the hot air diffuser assembly comprises a first hot air diffuser surrounding the hot air guide vanes and a second hot air diffuser connected to the top of the first hot air diffuser, and a plurality of hot air diffuser holes are arranged on the first hot air diffuser and the second hot air diffuser.

[0021] The beneficial effects of the present application are:

[0022] 1. Simulate the field working condition by using the closed simulation box, control the temperature and humidity inside the simulation box by using the hot air circulation system and the humidifier, test the electrical element in the simulation box, can know the actual working performance of the electrical element in advance, measure the working life of the electrical element, avoid the service life of the electrical element to be reduced due to the environmental influence in the use process, safety hidden danger and accident, and set the dry burning safety bag and the digital negative pressure gauge to avoid dry burning and real-time monitoring of the internal pressure of the simulation box.

[0023] 2. The filter is installed to filter the hot air by using the filter drawer convenient to replace, the subsequent maintenance and replacement operation of the filter is simple and efficient, and the hot air in the simulation box is ensured to be clean. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model is further illustrated below in combination with the drawings and embodiments.

[0025] Figure 1 is the assembly schematic of the electrical element environment simulation durability experiment equipment of the utility model embodiment Figure 1 ;

[0026] Figure 2 is the assembly schematic of the electrical element environment simulation durability experiment equipment of the utility model embodiment Figure 2 ;

[0027] Figure 3 is the assembly schematic of the heating bag assembly in the electrical element environment simulation durability experiment equipment of the utility model embodiment;

[0028] Figure 4 is the internal structure schematic of the electrical element environment simulation durability experiment equipment of the utility model embodiment;

[0029] Figure 5 is the structure schematic of the hot air flow guide piece in the electrical element environment simulation durability experiment equipment of the utility model embodiment.

[0030] Fig. 1, simulation box;101, front box frame;102, rear box frame;2, box door;3, heating bag assembly;31, heating bag framework;32, electric heating tube;33, filter drawer;34, dry burning protection box;35, box heating bag flange;36, hot air flow guide piece;4, humidifier;41, humidification straight pipe;42, humidification hole;5, circulating fan;6, fresh air pipe;7, return air pipe;71, return air flange;8, exhaust fan;9, exhaust pipe;10, exhaust air shutter;11, fresh air shutter;12, temperature and humidity transmitter;13, explosion-proof micro pressure difference transmitter;14, round interface;15, observation window;16, sealing strip;17, box chassis;18, first air diffuser;19, second air diffuser;20, third air diffuser. DETAILED DESCRIPTION

[0031] The concept, specific structure and technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be formed by adding or reducing coupling accessories according to the specific implementation situation, such as fixed connection / installation which can be connected by accessories such as screws, bolts, etc., or directly connected by welding, bonding, etc. The technical features in the present application can be combined interactively without mutual contradiction and conflict.

[0032] Referring to Figure 1 、 Figure 2 An embodiment of the present application provides an electrical element environment simulation durability experiment equipment, which comprises a simulation box 1, a temperature simulation mechanism, a humidity simulation mechanism, an air exhaust assembly and a temperature and humidity transmitter 12. The temperature simulation mechanism and the humidity simulation mechanism are respectively used for adjusting the temperature and humidity inside the simulation box 1, and detecting the specific parameters of the temperature and humidity inside the simulation box 1 through the temperature and humidity transmitter 12. The air exhaust assembly is used for exhausting the air inside the simulation box 1. The simulation box 1 is placed on the bottom surface through a box body bottom frame 17. In the embodiment, the simulation box 1 is a sealed box body formed by buckling a front box body frame 101 and a rear box body frame 102. A sealing strip 16 is arranged between the front box body frame 101 and the rear box body frame 102 to increase the sealing effect after buckling. The simulation box 1 arranged through the sealed box body can isolate the influence of the external environment, and facilitate better adjustment of parameters such as temperature, humidity and air pressure to simulate the working environment of electrical elements.

[0033] It can be understood that a sealed box door 2 is arranged on the side wall of the simulation box 1. The edge of the box door 2 is provided with a sealing rubber strip. The electrical element to be tested can be placed in the simulation box 1 by opening the box door 2, and then the box door 2 is closed to keep the inside of the simulation box 1 sealed. In addition, an observation window 15 is arranged on the side wall of the simulation box 1. The inside of the simulation box 1 can be checked at any time through the observation window 15.

[0034] In the embodiment, referring to Figures 1-3The temperature simulation mechanism comprises a fresh air pipe 6, a circulating fan 5, a heating bag assembly 3 and a box heating bag flange 35 connected in sequence, and the box heating bag flange 35 is connected to the bottom of the simulation box 1. When the circulating fan 5 operates, air enters from the fresh air pipe 6, passes through the circulating fan 5, enters the heating bag assembly 3 to be heated into hot air, and then enters the simulation box 1 through the box heating bag flange 35. By adjusting the power of the heating bag assembly 3, the temperature inside the simulation box 1 is adjusted. The fresh air pipe 6 is provided with a fresh air damper 11, which can be opened or closed according to the temperature and humidity inside the simulation box 1 to introduce external air into the equipment.

[0035] Specifically, referring to Figure 3 , the heating bag assembly 3 comprises a heating bag framework 31, an electric heating pipe 32, a dry burning protection box 34 and a filter drawer 33. The electric heating pipe 32 is arranged inside the heating bag framework 31, and the dry burning protection box 34 is arranged on the heating bag framework 31 and electrically connected with the electric heating pipe 32. When dry burning of the electric heating pipe 32 is detected, the power supply of the electric heating pipe 32 is turned off in time to avoid damage to the equipment due to dry burning. One end of the heating bag framework 31 is connected with the air outlet of the circulating fan 5, and the other end of the heating bag framework 31 is connected with the box heating bag flange 35. The filter drawer 33 is located between the electric heating pipe 32 and the box heating bag flange 35, and a filter is arranged in the filter drawer 33.

[0036] It can be understood that air enters the heating bag framework 31 through the circulating fan 5, is heated and warmed by the electric heating pipe 32, and then is filtered by the filter in the filter drawer 33 below the electric heating pipe 32. The filtered hot air is input into the simulation box 1. The filter can be replaced by pulling out the filter drawer 33 during use and maintenance.

[0037] In the preferred embodiment, referring to Figure 1 , Figure 2 and Figure 4 , a return air pipe 7 is arranged on the side wall of the simulation box 1. The return air pipe 7 has two return air outlets, and the two return air outlets are connected with the front and rear box frame 102 of the simulation box 1 through a return air flange 71 respectively, so as to improve the return air effect. The return air pipe 7 is also provided with an air outlet and an air inlet. The air outlet of the return air pipe 7 is connected with the air inlet of the circulating fan 5, and the air inlet of the return air pipe 7 is connected with the fresh air pipe 6.

[0038] It can be understood that the air inside the simulation box 1 flows from the return air pipe 7 to the circulating fan 5, is heated again with fresh air, and then enters the simulation box 1, realizing recycling of hot air.

[0039] In this embodiment, referring to Figures 1-3The humidity simulation mechanism includes a humidifier 4 and a humidification straight pipe 41. The humidification straight pipe 41 is connected to the output end of the humidifier 4 and extends into the interior of the heating pack flange 35 of the box. The humidification straight pipe 41 is provided with several humidification holes 42, so as to humidify the heated air. The air humidity is directly proportional to the temperature. The higher the temperature, the greater the relative humidity, thereby realizing the regulation of the temperature and humidity inside the box.

[0040] In this embodiment, refer to Figure 2 The temperature and humidity transmitter 12 is installed on the side wall of the simulation chamber 1, and the functional terminal of the temperature and humidity transmitter 12 is located inside the simulation chamber 1, thereby detecting the temperature and humidity inside the simulation chamber 1. An explosion-proof micro differential pressure transmitter 13 is also installed on the side wall of the simulation chamber 1, and the functional terminal of the explosion-proof micro differential pressure transmitter 13 is located inside the simulation chamber 1. The explosion-proof micro differential pressure transmitter 13 is used to monitor the airflow inside the simulation chamber 1, prevent filter clogging or accidental shutdown of the circulating fan 5, and monitor the internal air pressure of the chamber in real time.

[0041] In this embodiment, refer to Figure 1 , Figure 2 and Figure 4 The exhaust assembly includes an exhaust pipe 9 and an exhaust fan 8 installed on the top of the simulation box 1. The exhaust pipe 9 is connected to the interior of the simulation box 1. The exhaust pipe 9 is equipped with an exhaust damper 10. By opening the exhaust damper 10, hot air inside the simulation box 1 is discharged from the equipment, avoiding situations such as excessive air pressure, temperature and humidity inside the simulation box 1, and keeping the simulation box 1 in a safe operating state.

[0042] In a preferred embodiment, refer to Figure 4 and Figure 5 The heating element flange 35 of the housing is provided with a hot air guide vane 36. The hot air guide vane 36 extends towards the simulation box 1, and the extended end of the hot air guide vane 36 is bent upward to guide the hot air to flow upward. Specifically, the hot air guide vane 36 is provided in two layers in the vertical direction, and the length of the upper hot air guide vane 36 extending into the simulation box 1 is less than the length of the lower hot air guide vane 36 extending into the simulation box 1. The simulation box 1 is provided with a diffuser assembly. The diffuser assembly includes a first diffuser 18 surrounding the hot air guide vane 36, a second diffuser 19 connected to the top of the first diffuser 18, and a third diffuser 20 provided at the return air inlet of the return air duct 7. The first diffuser 18, the second diffuser 19, and the third diffuser 20 are all provided with a plurality of air dissipation holes.

[0043] It can be understood that the hot air entering the simulation box 1 is dispersed in the first step by the hot air guide vane 36, and then dispersed in the second step by the first air diffuser plate 18 and the second air diffuser plate 19, so that the hot air is dispersed to the internal space of the simulation box 1, and the hot air is avoided to be too concentrated, so that the temperature and humidity in the simulation box 1 are more uniform.

[0044] In some embodiments, the side wall of the simulation box 1 is reserved with a plurality of circular interfaces 14 of different sizes, various sensors can be connected to test the internal parameters of the simulation box 1, and the sealing cover is used to block the upper part when not in use.

[0045] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the embodiments, and various equivalent modifications or replacements can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. An environmental simulation durability testing device for electrical components, characterized in that, The utility model relates to a temperature and humidity simulation box, comprising: a simulation box provided with a box door; a temperature simulation mechanism comprising a fresh air pipe, a circulating fan, a heating bag assembly and a box heating bag flange connected in sequence, the box heating bag flange being connected to the bottom of the simulation box; a humidity simulation mechanism comprising a humidifier and a humidifying straight pipe, the humidifying straight pipe being connected to the output end of the humidifier, the humidifying straight pipe extending into the box heating bag flange, and a plurality of humidifying holes being provided on the humidifying straight pipe; an exhaust assembly comprising an exhaust pipe and an exhaust fan installed on the top of the simulation box, the exhaust pipe being in communication with the inside of the simulation box; a temperature and humidity transmitter installed on the side wall of the simulation box, with the functional end of the temperature and humidity transmitter being arranged inside the simulation box.

2. The environmental simulation durability test apparatus for electrical components according to claim 1, characterized in that: The heating bag assembly comprises a heating bag framework and an electric heating pipe arranged inside the heating bag framework, one end of the heating bag framework being connected to the air outlet of the circulating fan, and the other end of the heating bag framework being connected to the box heating bag flange.

3. The environmental simulation durability test apparatus for electrical components according to claim 2, wherein: A dry-burning protection box is provided on the heating bag framework and is electrically connected to the electric heating pipe.

4. The environmental simulation durability test apparatus for electrical components according to claim 2, wherein: A filter drawer is provided on the heating bag framework and is located between the electric heating pipe and the box heating bag flange, with a filter being arranged in the filter drawer.

5. The environmental simulation durability test apparatus for electrical components according to claim 1, wherein: A return air pipe is provided on the side wall of the simulation box, the return air pipe being connected to the air inlet of the circulating fan, and the fresh air pipe being in communication with the return air pipe.

6. The environmental simulation durability test apparatus for electrical components according to claim 1, wherein: The fresh air pipe and the exhaust pipe are both provided with air brakes.

7. The environmental simulation durability test apparatus for electrical components according to claim 1, wherein: An explosion-proof micro-pressure difference transmitter is also installed on the side wall of the simulation box, with the functional end of the explosion-proof micro-pressure difference transmitter being arranged inside the simulation box.

8. The environmental simulation durability test apparatus for electrical components according to claim 1, wherein: An observation window is provided on the side wall of the simulation box.

9. The environmental simulation durability test apparatus for electrical components according to claim 1, wherein: Two hot air guide vanes extending towards the simulation box are arranged in the box heating bag flange, the extension ends of the hot air guide vanes being bent upwards, the two hot air guide vanes being arranged in layers in the vertical direction, and the hot air guide vane in the upper layer extending into the simulation box to a length smaller than that of the hot air guide vane in the lower layer.

10. The environmental simulation durability test apparatus for electrical components according to claim 9, wherein: A wind diffuser assembly is arranged in the simulation box, the wind diffuser assembly comprising a first wind diffuser surrounding the hot air guide vanes and a second wind diffuser connected to the top of the first wind diffuser, a plurality of wind diffuser holes being provided on the first wind diffuser and the second wind diffuser.

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