CN217093530U - High-low temperature test box - Google Patents
High-low temperature test box Download PDFInfo
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- CN217093530U CN217093530U CN202123309879.2U CN202123309879U CN217093530U CN 217093530 U CN217093530 U CN 217093530U CN 202123309879 U CN202123309879 U CN 202123309879U CN 217093530 U CN217093530 U CN 217093530U
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Abstract
The utility model provides a high-low temperature test box; forming a test area; a flow guide assembly is arranged in the test area; the flow guide assembly is arranged on the wall surface and the partition plate of the test box body forming the test area; the flow guide assembly comprises more than two flow guide devices; the adjacent flow guide devices are arranged around the center of the test area; the flow guide device comprises a flow guide channel and a flow guide air port; the flow guide air port is communicated with the flow guide channel; the air flows to the adjacent flow guide device through the flow guide channel; air passes through different surfaces of the object to be detected through the flow guide air openings of different flow guide devices; heating and cooling different surfaces of the object to be detected simultaneously while changing the temperature of the test area; the uniform heating and cooling of the object to be detected are realized; dispersing air entering a test area through a flow guide assembly and then contacting different surfaces to be detected; the problem that the test result is inaccurate due to inconsistent temperatures of different surfaces to be detected when air is intensively contacted with the part of the surface to be detected in the test is avoided.
Description
Technical Field
The utility model relates to a test equipment technical field, concretely relates to high low temperature test box.
Background
The high-low temperature test box is mainly used for high-temperature and low-temperature reliability tests of industrial products. The performance indexes of parts and materials of related products such as electronics, electricians, the automobile industry, aerospace, ship weapons, colleges and universities, scientific research units and the like are tested in high-temperature and low-temperature environments.
In Chinese application No. 201621443635. X; the patent document with publication number 2017.7.4 discloses a high-low temperature test box, which comprises a detachable base, a main box body and a detachable control box, wherein the main box body comprises an installation box and a test box, and a sensor, a heater, an evaporator and a circulating wind wheel are arranged in the test box. But the test chamber is heated or cooled; air enters from an inlet at the top of the test chamber and then is discharged from an outlet at the bottom of the test chamber; the air flows from top to bottom and acts on the object to be detected; the air cannot uniformly heat or cool the object to be detected; the test effect is poor; meanwhile, the humidifier uses a stainless steel sheath heater; it generates steam by heating liquid to generate humidifying effect; the temperature of the air after humidity adjustment can be increased; when a cooling test is carried out, the humidified air can cause the temperature of the test box to influence the cooling test; the power of the refrigerating unit is required to be increased so as to reduce the temperature of the air; this is high in energy consumption.
Disclosure of Invention
The utility model provides a high-low temperature test box, air contacts with an object to be detected from different directions; uniform heating and uniform cooling are achieved.
In order to achieve the above purpose, the technical scheme of the utility model is that: a high-low temperature test chamber comprises a test chamber body, wherein a test area and a temperature control area are formed in the test chamber body, a partition plate is arranged between the test area and the temperature control area, the partition plate is provided with an air outlet and an air inlet, the test area is communicated with the temperature control area through the air outlet and the air inlet, the high-low temperature test chamber further comprises a flow guide assembly and a temperature control assembly, the flow guide assembly is arranged in the test area, and the temperature control assembly is arranged in the temperature control area; the temperature control assembly comprises a first fan, a first heater, an evaporator and a humidifier, the first heater is used for heating air, the evaporator is used for cooling the air, the humidifier is used for humidifying the air, and the first fan drives the air to circularly flow in the test area and the control area.
The flow guide assembly is arranged on the wall surface and the partition plate of the test box body forming the test area; the flow guide assembly comprises more than two flow guide devices; the adjacent flow guide devices are arranged around the center of the test area; the flow guide device comprises a flow guide bracket and a flow guide plate; the guide plate is arranged on one side of the guide bracket; the guide bracket forms a guide channel; the flow guide channel penetrates through two ends of the flow guide bracket; more than two diversion air ports are arranged on the diversion plate; the flow guide air port is communicated with the flow guide channel; the air flows to the adjacent flow guide device through the flow guide channel; and the air flows to different surfaces of the object to be detected through the flow guide air openings of different flow guide devices.
In the arrangement, the adjacent flow guide devices are arranged around the center of the test area; the test area is used for placing an object to be detected; thus, the adjacent flow guide devices are arranged around the object to be detected; the direction of the air entering the test area is changed through the diversion air inlet; the air flows to different surfaces of the object to be detected through the flow guide air openings of different flow guide devices; so as to change the temperature of the test area and simultaneously heat and cool different surfaces of the object to be detected; the uniform heating and cooling of the object to be detected are realized; dispersing air entering a test area through a flow guide assembly and then contacting different surfaces to be detected; the problem that the test result is inaccurate due to inconsistent temperatures of different surfaces to be detected when air is intensively contacted with the part of the surface to be detected in the test is avoided.
Further, a box door is arranged on the test box body; the box door is hinged with one end of the test box body; the test area is positioned between the box door and the partition plate.
Furthermore, six flow guide devices are arranged; respectively a first flow guiding device, a second flow guiding device, a third flow guiding device, a fourth flow guiding device, a fifth flow guiding device and a sixth flow guiding device; the first flow guide device is arranged at the bottom of the test area; the second flow guide device is arranged on one side of the box door close to the test area; the third flow guide device is arranged at the top of the test area; the fourth flow guide device is arranged on one side of the partition board close to the test area; the fifth flow guide device is arranged on one side of the test area; the sixth guiding device is arranged at the other side of the test area.
In the arrangement, the first flow guide device, the second flow guide device, the third flow guide device, the fourth flow guide device, the fifth flow guide device and the sixth flow guide device form an accommodating space; placing the belt detection object through the accommodating space; the flow guide assembly enables air to flow to the whole surface to be detected; the uniform heating and cooling of the object to be detected are realized.
Furthermore, the air guide opening of the first air guide device is opposite to the air guide opening of the third air guide device; the air guide opening of the second air guide device is opposite to the air guide opening of the fourth air guide device; and the flow guide air opening of the fifth flow guide device is opposite to the flow guide air opening of the sixth flow guide device.
Furthermore, the air guide opening of the first air guide device and the air guide opening of the third air guide device are arranged in a staggered mode; the air guide opening of the second air guide device and the air guide opening of the fourth air guide device are arranged in a staggered mode; and the air guide opening of the fifth air guide device and the air guide opening of the sixth air guide device are arranged in a staggered manner. Thus, the air flowing out of the first flow guide device and the third flow guide device, the air flowing out of the second flow guide device and the fourth flow guide device, and the air flowing out of the fifth flow guide device and the sixth flow guide device are prevented from interfering with each other; and simultaneously, the test area is uniformly heated and cooled.
Further, the humidifier forms a humidifying cavity; a water storage cavity and a second fan are arranged in the humidifying cavity; the water storage cavity is provided with a first humidifying outlet, a second heater and an ultrasonic atomization device; the second heater and the ultrasonic atomization device are respectively used for generating water mist; the water mist enters the humidifying cavity through the first humidifying outlet, and the humidifier is provided with a second humidifying outlet; the water mist leaves the humidifier through the second humidifying outlet under the action of the second fan.
According to the arrangement, when heating is carried out, water mist is generated by the second heater; the temperature of the water mist is attached; this accelerates the temperature rise in the test zone; the heating time is shortened; when cooling is carried out; generating water mist by an ultrasonic atomization device; the temperature of the water mist is not attached; the temperature of the air after humidity adjustment is prevented from rising; the need to increase the power of the refrigeration unit lowers the temperature of the air; less energy consumption.
Further, the humidifier comprises a first frame body; a second frame body extends upwards from one side of the first frame body; a guide cambered surface is arranged between the second frame body and the other side of the first frame body; the guide cambered surface is arranged opposite to the air inlet.
According to the arrangement, the guide cambered surface is arranged to provide a guide effect for the circularly flowing air; meanwhile, the guide cambered surface is arranged opposite to the air inlet; thus, the air flow is changed backwards through the guide cambered surface; air can flow into the test area rapidly; the air circulation is accelerated.
Further, the first humidifying outlet is arranged on the first frame body; one side of the second frame body far away from the first frame body is provided with a third humidifying outlet.
With the above arrangement, the discharge amount of the water mist is increased by providing the third humidification outlet.
Furthermore, the device also comprises an installation box body; the test box body is arranged on the installation box body; a water tank and a refrigerating device are arranged in the installation box body; the refrigerating device is connected with the evaporator through a refrigerating pipeline; the water tank is connected with the water storage cavity through a humidifying pipeline; the evaporator is connected with the water tank through a drainage pipeline.
According to the arrangement, the condensed water collected by the evaporator is input into the water tank; then flows into the water storage cavity to generate water mist; and less resource waste.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the middle partition plate of the present invention.
Fig. 3 is a schematic diagram of the central temperature control area of the present invention.
Fig. 4 is a schematic view of the humidifier of the present invention.
Fig. 5 is a sectional view of the humidifier of the present invention.
Fig. 6 is a top view of the middle test area of the present invention.
Fig. 7 is a schematic diagram of a middle test area of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-7; a high-low temperature test chamber comprises a test chamber body 1, a mounting chamber body 2, a flow guide assembly 3 and a temperature control assembly; the test box body 1 is arranged on the installation box body 2; the test box body 1 forms a test area 11 and a temperature control area 12, wherein the test area 11 is arranged at one end of the test box body 1; the temperature control area 12 is arranged at the other end of the test box body 1; a partition plate 13 is arranged between the test area 11 and the temperature control area 12, the partition plate 13 is provided with an air outlet 132 and an air inlet 131, and the test area 11 is communicated with the temperature control area 12 through the air outlet 132 and the air inlet 131.
The flow guide assembly 3 is arranged in the test area 11, and the temperature control assembly is arranged in the temperature control area 12; a water tank 21 and a refrigerating device 22 are arranged in the installation box body 2; the temperature control assembly comprises a first fan 41, a first heater 42, an evaporator 43 and a humidifier 44; in the present embodiment, the first heater 41 is a heating wire heater. The water tank 21 is connected with the humidifier 44; the refrigerating device 22 is connected with the evaporator 43 through a cooling pipeline 23; in the present embodiment, the bottom of the evaporator 43 is provided with a collecting device (not shown in the figure); the collecting device is used for collecting condensed water; the evaporator 43 is connected to the water tank 21 through the water discharge pipe 24; the condensed water collected by the evaporator 43 is input into the water tank 21; then flows into the humidifier; and less resource waste.
The first heater 42 is used for heating air, the refrigerating device 22 and the evaporator 43 are used for cooling air, the humidifier 44 is used for humidifying air, and the first fan 41 drives air to circularly flow in the test area 11 and the control area. The refrigeration unit 22 includes a compressor and a condenser.
The flow guide assembly 3 is arranged on the wall surface of the test box body 1 forming the test area 11 and the partition plate 13; the flow guide assembly 3 comprises more than two flow guide devices; the adjacent flow guiding devices are arranged around the center of the test area 11; the flow guide device comprises a flow guide bracket 371 and a flow guide plate 372; the guide plate 372 is arranged on one side of the guide bracket 371; the flow guide support 371 forms a flow guide channel 373; the flow guide channel 373 penetrates through both ends of the flow guide support 371; more than two diversion air ports 374 are arranged on the diversion plate 372; the diversion air ports 374 are communicated with the diversion channel 373; air flows to the adjacent flow guiding device through the flow guiding channel 373; the air flows to different surfaces of the object to be detected through the air guide ports 374 of different air guide devices. The adjacent flow guiding devices are arranged around the center of the test area 11; the test area 11 is used for placing an object to be detected; thus, the adjacent flow guide devices are arranged around the object to be detected; the air entering the test zone 11 changes direction through the induced draft air ports 374; the air flows to different surfaces of the object to be detected through the flow guiding air openings 374 of different flow guiding devices; so that the temperature of the test zone 11 is changed and simultaneously different surfaces of the object to be detected are heated and cooled; the uniform heating and cooling of the object to be detected are realized; the air entering the test area 11 is dispersed by the flow guide assembly 3 and then contacts with different surfaces to be detected; the problem that the test result is inaccurate due to inconsistent temperatures of different surfaces to be detected when air is intensively contacted with the part of the surface to be detected in the test is avoided.
A box door 14 is arranged on the test box body 1; the box door 14 is hinged with one end of the test box body 1; the test zone 11 is located between the door and the partition 13.
In the present embodiment, six flow guide devices are provided; a first flow guiding device 31, a second flow guiding device 32, a third flow guiding device 33, a fourth flow guiding device 34, a fifth flow guiding device 35 and a sixth flow guiding device 36; the first flow guide device 31 is arranged at the bottom of the test area 11; the second flow guide device 32 is arranged on one side of the box door close to the test area 11; the third flow guide device 33 is arranged at the top of the test area 11; the fourth flow guide device 34 is arranged on one side of the partition plate 13 close to the test area 11; the fifth flow guide device 35 is arranged on one side of the test area 11; a sixth deflector 36 is provided on the other side of the test zone 11. An accommodating space is formed by the first flow guide device 31, the second flow guide device 32, the third flow guide device 33, the fourth flow guide device 34, the fifth flow guide device 35 and the sixth flow guide device 36; placing the belt detection object through the accommodating space; the flow guide assembly 3 enables air to flow to the whole surface to be detected; the uniform heating and cooling of the object to be detected are realized.
The diversion air opening 374 of the first diversion device 31 is opposite to the diversion air opening 374 of the third diversion device 33; the diversion air opening 374 of the second diversion device 32 is opposite to the diversion air opening 374 of the fourth diversion device 34; the diversion air opening 374 of the fifth diversion device 35 is opposite to the diversion air opening 374 of the sixth diversion device 36. The diversion air ports 374 of the first diversion device 31 and the diversion air ports 374 of the third diversion device 33 are arranged in a staggered mode; the diversion air ports 374 of the second diversion device 32 and the diversion air ports 374 of the fourth diversion device 34 are arranged in a staggered mode; the diversion air ports 374 of the fifth diversion device 35 and the diversion air ports 374 of the sixth diversion device 36 are arranged in a staggered mode. Thus, the air flowing out of the first flow guiding device 31 and the third flow guiding device 33, the air flowing out of the second flow guiding device 32 and the fourth flow guiding device 34, and the air flowing out of the fifth flow guiding device 35 and the sixth flow guiding device 36 are prevented from interfering with each other; this test zone 11 is also uniformly heated and uniformly cooled.
Referring to FIGS. 1, 6 and shown; air circulating in the test zone 11 and the temperature control zone 12; one part of the air directly enters the test area 11 from the air inlet 131 and then flows to the object to be detected, the second flow guide device 32, the third flow guide device 33, the fourth flow guide device 34, the fifth flow guide device 35 and the sixth flow guide device 36; a part of the air flows into the flow guide channel 373 of the first flow guide device 31, then flows out of the flow guide air opening 374 of the first flow guide device 31, and flows to the bottom of the object to be detected, the second flow guide device 32, the third flow guide device 33, the fourth flow guide device 34, the fifth flow guide device 35 and the sixth flow guide device 36;
a part of the air entering the flow guide channel 373 of the second flow guide device 32 flows to the flow guide air opening 374 of the second flow guide device 32 through the flow guide channel 373 of the second flow guide device 32, and then flows to the front end of the object to be detected; a portion flows through the flow guide passage 373 of the second flow guide device 32 to the third flow guide device 33.
A part of the air entering the flow guide channel 373 of the fourth flow guide device 34 flows to the flow guide air opening 374 of the fourth flow guide device 34 through the flow guide channel 373 of the fourth flow guide device 34, and then flows to the rear end of the object to be detected; a part of the air flows to the air outlet 132 through the flow guiding channel 373 of the fourth flow guiding device 34.
A part of the air entering the flow guide channel 373 of the fifth flow guide device 35 flows to the flow guide air opening 374 of the fifth flow guide device 35 through the flow guide channel 373 of the fifth flow guide device 35, and then flows to the left side of the object to be detected; a part of the air flows to the air outlet 132 and the third air guiding device 33 through the air guiding channel 373 of the fifth air guiding device 35.
A part of the air entering the flow guide channel 373 of the sixth flow guide device 36 flows to the flow guide air opening 374 of the sixth flow guide device 36 through the flow guide channel 373 of the sixth flow guide device 36, and then flows to the right side of the object to be detected; a part of the air flows to the air outlet 132 and the third guiding device 33 through the guiding channel 373 of the first routing guiding device.
A part of the air entering the flow guide channel 373 of the third flow guide device 33 flows to the flow guide air opening 374 of the third flow guide device 33 through the flow guide channel 373 of the third flow guide device 33, and then flows to the top of the object to be detected; a part of the air flows to the air outlet 132 through the flow guiding channel 373 of the third flow guiding device 33.
In this embodiment, there are two air outlets 132; the air inlet 131 and the air outlet 132 are both provided with self-closing baffles 15; the self-closing baffle 15 is of a shutter type structure and comprises a frame and a plurality of fan blades, wherein the fan blades are mutually overlapped in a closed state, rotating shafts are arranged at two ends of each fan blade and are connected with the frame, the fan blades can freely rotate on the frame around the rotating shafts, and the weight of the lower parts of the rotating shafts of the fan blades is slightly larger than that of the upper parts of the rotating shafts in the closed state; under the condition that the first fan 41 is not started, the fan blades are in a vertical state under the action of gravity and are mutually overlapped, so that the self-closing baffle 15 is closed to prevent air from passing through, and the test area 11 has a heat preservation effect. When the first fan 41 is started, wind power acts on the fan blades, the wind power overcomes the gravity of the fan blades, so that the fan blades form an included angle with the vertical direction, the self-closing baffle 15 is opened, and air can pass through, so that the air circularly flows in the test area 11 and the temperature control area 12.
The humidifier 44 includes a first frame 441; a second frame body 442 extends upwards from one side of the first frame body 441; a guide arc 443 is arranged between the second frame body 442 and the other side of the first frame body 441; the guide arc 443 is disposed opposite to the air inlet 131. The guide cambered surface 443 is arranged to provide a guide effect for the circularly flowing air; meanwhile, the guide cambered surface 443 is arranged opposite to the air inlet 131; thus changing the air flow backward by the guide curved surface 443; air can flow into the test zone 11 rapidly; the air circulation is accelerated.
The first and second housings 441, 442 form a humidification chamber 444; a water storage cavity 445 and a second fan 446 are arranged in the humidifying cavity 444; the water tank 21 is connected with the water storage cavity 445 through a humidifying pipeline 25; the water storage cavity 445 is provided with a first humidifying outlet 4451, a second heater 4452 and an ultrasonic atomization device 4453; in the present embodiment, the second heater 4452 is a heating wire heater. The second heater 4452 and the ultrasonic atomizing device 4453 are used to generate water mist, respectively; the water mist enters the humidification cavity 444 through the first humidification outlet 4451, and a second humidification outlet 447 is formed in the first frame body 441; the mist exits the humidifier 44 through the second humidification outlet 447 under the influence of the second fan 446. Upon further heating, water mist is generated by the second heater 4452; the temperature of the water mist is attached; this accelerates the temperature rise in the test zone 11; the heating time is shortened; when cooling is carried out; generating water mist by an ultrasonic atomizing device 4453; the temperature of the water mist is not attached; the temperature of the air after humidity adjustment is prevented from rising; the need to increase the power of the refrigeration unit lowers the temperature of the air; less energy consumption.
In this embodiment, a humidifying channel 448 is formed between the water storage cavity 445 and the second frame 442; a third humidifying outlet 449 is provided on a side of the second frame 442 remote from the first frame 441. Under the action of the second fan 446; a portion of the mist exits the humidifier 44 from the second humidification outlet 447; part of the mist flows to the humidifying passage 448 and then from the third humidifying outlet 449 to the humidifier 44; the discharge amount of the water mist is increased by providing the third humidification outlet.
Claims (9)
1. The utility model provides a high low temperature test box, includes experimental box, and experimental box bodily form becomes test area and accuse warm area, is equipped with the baffle between test area and the accuse warm area, and the baffle is equipped with the air outlet and goes into the wind gap, through air outlet and income wind gap intercommunication, its characterized in that between test area and the accuse warm area: the device also comprises a flow guide assembly and a temperature control assembly, wherein the flow guide assembly is arranged in the test area, and the temperature control assembly is arranged in the temperature control area; the temperature control assembly comprises a first fan, a first heater, an evaporator and a humidifier, the first heater is used for heating air, the evaporator is used for cooling air, the humidifier is used for humidifying air, and the first fan drives the air to circularly flow in the test area and the control area;
the flow guide assembly is arranged on the wall surface and the partition plate of the test box body forming the test area; the flow guide assembly comprises more than two flow guide devices; the adjacent flow guide devices are arranged around the center of the test area; the flow guide device comprises a flow guide bracket and a flow guide plate; the guide plate is arranged on one side of the guide bracket; the guide bracket forms a guide channel; the flow guide channel penetrates through two ends of the flow guide bracket; more than two diversion air ports are arranged on the diversion plate; the flow guide air port is communicated with the flow guide channel; the air flows to the adjacent flow guide device through the flow guide channel; and the air flows to different surfaces of the object to be detected through the flow guide air openings of different flow guide devices.
2. A high-low temperature test chamber according to claim 1, wherein: a box door is arranged on the test box body; the box door is hinged with one end of the test box body; the test area is positioned between the box door and the partition plate.
3. A high-low temperature test chamber according to claim 2, wherein: six flow guide devices are arranged; respectively a first flow guiding device, a second flow guiding device, a third flow guiding device, a fourth flow guiding device, a fifth flow guiding device and a sixth flow guiding device; the first flow guide device is arranged at the bottom of the test area; the second flow guide device is arranged on one side of the box door close to the test area; the third flow guide device is arranged at the top of the test area; the fourth flow guide device is arranged on one side of the partition board close to the test area; the fifth flow guide device is arranged on one side of the test area; the sixth guiding device is arranged at the other side of the test area.
4. A high-low temperature test chamber according to claim 3, wherein: the air guide port of the first air guide device is opposite to the air guide port of the third air guide device; the air guide opening of the second air guide device is opposite to the air guide opening of the fourth air guide device; and the flow guide air opening of the fifth flow guide device is opposite to the flow guide air opening of the sixth flow guide device.
5. A high-low temperature test chamber according to claim 4, wherein: the air guide opening of the first air guide device and the air guide opening of the third air guide device are arranged in a staggered mode; the air guide opening of the second air guide device and the air guide opening of the fourth air guide device are arranged in a staggered mode; and the air guide opening of the fifth air guide device and the air guide opening of the sixth air guide device are arranged in a staggered manner.
6. A high-low temperature test chamber according to claim 1, wherein: the humidifier forms a humidifying cavity; a water storage cavity and a second fan are arranged in the humidifying cavity; the water storage cavity is provided with a first humidifying outlet, a second heater and an ultrasonic atomization device; the second heater and the ultrasonic atomization device are respectively used for generating water mist; the water mist enters the humidifying cavity through the first humidifying outlet, and the humidifier is provided with a second humidifying outlet; the water mist leaves the humidifier through the second humidifying outlet under the action of the second fan.
7. A high-low temperature test chamber according to claim 6, wherein: the humidifier comprises a first frame body; a second frame body extends upwards from one side of the first frame body; a guide cambered surface is arranged between the second frame body and the other side of the first frame body; the guide cambered surface is arranged opposite to the air inlet.
8. A high-low temperature test chamber according to claim 6, wherein: the first humidifying outlet is arranged on the first frame body; one side of the second frame body far away from the first frame body is provided with a third humidifying outlet.
9. A high-low temperature test chamber according to claim 6, wherein: the device also comprises an installation box body; the test box body is arranged on the installation box body; a water tank and a refrigerating device are arranged in the installation box body; the refrigerating device is connected with the evaporator through a refrigerating pipeline; the water tank is connected with the water storage cavity through a humidifying pipeline; the evaporator is connected with the water tank through a drainage pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309879.2U CN217093530U (en) | 2021-12-27 | 2021-12-27 | High-low temperature test box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309879.2U CN217093530U (en) | 2021-12-27 | 2021-12-27 | High-low temperature test box |
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| Publication Number | Publication Date |
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| CN217093530U true CN217093530U (en) | 2022-08-02 |
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| CN202123309879.2U Active CN217093530U (en) | 2021-12-27 | 2021-12-27 | High-low temperature test box |
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| CN (1) | CN217093530U (en) |
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2021
- 2021-12-27 CN CN202123309879.2U patent/CN217093530U/en active Active
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