CN111697792A - Industrial switch power supply - Google Patents
Industrial switch power supply Download PDFInfo
- Publication number
- CN111697792A CN111697792A CN202010626952.XA CN202010626952A CN111697792A CN 111697792 A CN111697792 A CN 111697792A CN 202010626952 A CN202010626952 A CN 202010626952A CN 111697792 A CN111697792 A CN 111697792A
- Authority
- CN
- China
- Prior art keywords
- cover body
- power supply
- lid
- switching power
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003292 glue Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/063—Hermetically-sealed casings sealed by a labyrinth structure provided at the joining parts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to the technical field of electrical equipment, and particularly relates to an industrial switching power supply which comprises an upper cover body and a power supply module, wherein the power supply module is arranged in the upper cover body; through last lid and the first slot and the second slot increase heat radiating area that have evenly distributed on the lid down, the heat transfer that produces power module fast to realize dispelling the heat fast on the lid and the lid down with the heat transfer that power module produced through heat conduction portion, avoid the heat to pile up and lead to equipment trouble, thereby do not lead to the fact the influence to installation space, reduce under the condition of the pressure drop on the circuit, guarantee the radiating effect when using.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to an industrial switching power supply.
Background
A switching power supply, also called an exchange power supply or a switching converter, is a high-frequency power conversion device. The function is to convert the voltage of one level into the voltage or current required by the user terminal through different forms of architectures, the input of the switch power supply is mostly AC power supply or DC power supply, and the output is mostly equipment requiring DC power supply, the switch power supply product is widely applied to the fields of industrial automation control, military equipment, scientific research equipment, LED illumination, industrial control equipment, communication equipment, power equipment, instruments and meters, medical equipment, semiconductor refrigeration and heating, air purifier, electronic refrigerator, liquid crystal display, LED lamp, communication equipment, audio-visual products, security and protection monitoring, LED lamp belt, computer case, digital products and instruments, and the like, and the modern switch power supply has two types: one is a direct current switching power supply; the other is an alternating current switching power supply.
In high-end manufacturing industry, industrial equipment needs electric power to guarantee normal operation of the equipment, an IP20 structure is adopted in the existing industrial power supply, the structure needs to be installed in an electrical cabinet with the protection grade of IP67 and cooling equipment such as a cooling fin or a radiator is needed to be configured when the industrial power supply is installed on the equipment and a production line, and due to the fact that the installation position is limited, the wiring length of a cable is increased, and the voltage drop on the line is increased.
Accordingly, those skilled in the art have provided industrial switching power supplies to solve the problems set forth in the background above.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an industrial switching power supply, which has the characteristics that the heat dissipation area is increased by uniformly distributing first grooves and second grooves on an upper cover body and a lower cover body, the heat generated by a power supply module is quickly transferred, the heat generated by the power supply module is transferred to the upper cover body and the lower cover body through a heat conduction part to realize quick heat dissipation, and equipment faults caused by heat accumulation are avoided, so that the heat dissipation effect in use is ensured under the conditions of not influencing the installation space and reducing the voltage drop on a circuit.
In order to achieve the purpose, the invention provides the following technical scheme: industrial switch power supply, including last lid and power module, power module install in go up the lid, the lower terminal surface of going up the lid is equipped with down the lid, go up the lid and seted up a plurality of and be evenly distributed's first slot, the lid is seted up a plurality of second slot that is evenly distributed down, a lateral wall fixedly connected with heat-conducting part of going up the lid, go up another lateral wall fixedly connected with output joint and the input joint of lid, the seal groove has been seted up to a lateral wall of lid down, the spraying has sealed glue in the seal groove.
Preferably, the outer wall of the upper cover body is fixedly connected with an LED status indicator lamp.
Preferably, the heat conducting part is a heat conducting silica gel pad.
Preferably, the output connector adopts a/-UN four-core hole seat, and the input connector adopts a/-UN three-core needle seat.
Preferably, the sealant is foaming glue.
Preferably, the four corners of the upper cover body are provided with connecting holes, and the lower cover body is provided with four matching holes matched with the connecting holes.
Preferably, the upper cover body and the lower cover body are both made of die-casting aluminum materials.
Preferably, the lower cover body is provided with four attachment holes.
Preferably, the number of the LED status indicator lamps is two, and the colors of the two LED status indicator lamps are different from each other.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the heat dissipation area is increased by the first grooves and the second grooves which are uniformly distributed on the upper cover body and the lower cover body, heat generated by the power module is quickly transmitted, and heat generated by the power module is transmitted to the upper cover body and the lower cover body through the heat conduction part to realize quick heat dissipation, so that equipment faults caused by heat accumulation are avoided, the heat dissipation effect in use is ensured under the condition of not influencing an installation space and reducing pressure drop on a circuit, and meanwhile, the upper cover body and the lower cover body which are made of die-cast aluminum have higher vibration resistance and impact resistance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an industrial switching power supply;
FIG. 2 is a schematic structural diagram of an upper cover in an industrial switching power supply;
FIG. 3 is a schematic structural diagram of a lower cover in an industrial switching power supply;
fig. 4 is a perspective view of a lower cover in an industrial switching power supply.
In the figure: 1. an upper cover body; 101. a first trench; 11. an LED status indicator light; 12. a heat conducting portion; 13. connecting holes; 2. a lower cover body; 201. a second trench; 21. a sealing groove; 211. sealing glue; 22. a connection hole; 23. a mating hole; 3. an output connector; 4. an input connector; 5. and a power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: industrial switch power supply, including last lid 1 and power module 5, power module 5 installs in last lid 1, the lower terminal surface of going up lid 1 is equipped with down lid 2, go up lid 1 and seted up the first slot 101 that a plurality of is evenly distributed, lid 2 has seted up the second slot 201 that a plurality of is evenly distributed down, a lateral wall fixedly connected with heat-conducting part 12 of going up lid 1, go up another lateral wall fixedly connected with output joint 3 and input joint 4 of lid 1, seal groove 21 has been seted up to a lateral wall of lid 2 down, the spraying has sealed glue 211 in the seal groove 21, four switch holes 22 have been seted up to lower lid 2.
In this embodiment: the attachment hole 22 is used for penetrating a screw when the power module is installed with an external electrical cabinet, the inner side of the connection hole 13 is provided with an internal thread, when the upper cover body 1 and the lower cover body 2 are installed, four bolts are respectively screwed into the connection hole 13 through the matching hole 23 to fix the upper cover body 1 and the lower cover body 2, and after the upper cover body 1 is contacted with the lower cover body 2, the lower cover body 2 is tightly matched with the upper cover body 1 when being installed with the upper cover body 1 through the sealant 211 coated in the sealing groove 21 of the lower cover body 2, so that waterproof sealing is realized, after the upper cover body 1 and the lower cover body 2 are installed, heat generated by the power module 5 is transferred to the upper cover body 1 and the lower cover body 2 through the heat conduction part 12, so that equipment failure caused by heat accumulation is avoided, and the heat dissipation area is increased through the first grooves 101 and the second grooves 201 which are uniformly distributed on the upper cover body 1 and the lower cover body 2, so that, the heat dissipation effect in use is guaranteed under the condition that the installation space is not affected and the voltage drop on the circuit is reduced, and meanwhile, the upper cover body 1 and the lower cover body 2 which are made of die-cast aluminum have high shock resistance and impact resistance, so that the stability of the power module 5 inside the upper cover body 1 in the working state is guaranteed.
In fig. 1: the outer wall of the upper cover body 1 is fixedly connected with an LED status indicator lamp 11, and the upper cover body 1 and the lower cover body 2 are both made of die-cast aluminum; die-casting aluminium material has higher anti-vibration and shock resistance, the improvement is located lid 1 and the inboard power module 5 of lower lid stability when operating condition, reduce power module 5 and receive the influence that outside vibrations assaulted, LED status indicator 11 is power module 5's status indicator, for current structure, after LED status indicator 11 is connected with power module 5 (do not do this for prior art and describe repeatedly), the state of power module 5 can accurate display to the design of LED status indicator 11, in time discover consumer's transshipping etc. unusually, reduce unnecessary loss for the customer, the colour of LED status indicator 11 is green and red respectively, a different operating condition for power indicator.
In fig. 2: the heat conducting part 12 is a heat conducting silica gel pad; realize quick heat dissipation on transferring the heat that power module 5 produced to last lid 1 and lower lid 2 through heat conduction silica gel pad, avoid the heat to pile up and lead to equipment trouble.
In fig. 1: the output connector 3 adopts 7/8-16UN four-core hole seat, and the input connector 4 adopts 7/8-16UN three-core needle seat; the output connector 3 adopts 7/8-16UN four-core hole seats to realize the wide voltage range of output voltage 24VDC and output current 3.8A-8A, and the input connector 4 adopts 7/8-16UN three-core hole seats to realize the wide voltage range of input voltage 100 plus 240VAC, thereby meeting the interface requirements of most industrial power supply equipment.
In fig. 3: the sealant 211 is a foaming adhesive; by coating the sealing glue 211 in the sealing groove 21 of the lower cover body 2, the lower cover body 2 can be more closely matched with the upper cover body 1 when being installed with the upper cover body 1, thereby realizing waterproof sealing.
In fig. 2 and 4: four corners of the upper cover body 1 are provided with connecting holes 13, and the lower cover body 2 is provided with four matching holes 23 matched with the connecting holes 13; the inner side of the connecting hole 13 is provided with an internal thread, and when the upper cover body 1 and the lower cover body 2 are installed, four bolts respectively pass through the matching holes 23 and are screwed into the connecting hole 13, so that the upper cover body 1 and the lower cover body 2 are fixed, and the upper cover body 1 and the lower cover body 2 protect the power module 5.
In this embodiment, the color of the LED status indicator lamp 11 is not limited to red and green as set forth in this embodiment.
The working principle and the using process of the invention are as follows: when the upper cover body 1 and the lower cover body 2 are installed, four bolts respectively penetrate through the matching holes 23 and are screwed into the connecting holes 13 to fix the upper cover body 1 and the lower cover body 2, after the upper cover body 1 is contacted with the lower cover body 2, the lower cover body 2 is tightly matched with the upper cover body 1 through the sealant 211 coated in the sealing groove 21 of the lower cover body 2 when being installed with the upper cover body 1, waterproof sealing is realized, after the upper cover body 1 and the lower cover body 2 are installed, heat generated by the power module 5 is transferred to the upper cover body 1 and the lower cover body 2 through the heat conducting part 12, equipment failure caused by heat accumulation is avoided, the heat radiating area is increased through the first grooves 101 and the second grooves 201 which are uniformly distributed on the upper cover body 1 and the lower cover body 2, heat generated by the power module 5 is more rapidly dispersed, no influence is caused on the installation space, and the pressure drop on a circuit is reduced, the heat dissipation effect in use is guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Industry switching power supply, including last lid (1) and power module (5), power module (5) install in go up lid (1), its characterized in that: the lower terminal surface of going up lid (1) is equipped with down lid (2), go up lid (1) and seted up first slot (101) that a plurality of is evenly distributed, second slot (201) that a plurality of is evenly distributed are seted up in lid (2) down, a lateral wall fixedly connected with heat-conducting part (12) of going up lid (1), go up another lateral wall fixedly connected with output joint (3) and input joint (4) of lid (1), seal groove (21) have been seted up to a lateral wall of lid (2) down, sealed inslot spraying has sealed glue (211) in seal groove (21).
2. The industrial switching power supply of claim 1, wherein: the outer wall of the upper cover body (1) is fixedly connected with an LED status indicator lamp (11).
3. The industrial switching power supply of claim 1, wherein: the heat conducting part (12) is a heat conducting silica gel pad.
4. The industrial switching power supply of claim 1, wherein: the output connector (3) adopts 7/8-16UN four-core hole seat, and the input connector (4) adopts 7/8-16UN three-core needle seat.
5. The industrial switching power supply of claim 1, wherein: the sealant (211) is foaming glue.
6. The industrial switching power supply of claim 1, wherein: connecting holes (13) are formed in four corners of the upper cover body (1), and four matching holes (23) matched with the connecting holes (13) are formed in the lower cover body (2).
7. The industrial switching power supply of claim 1, wherein: the upper cover body (1) and the lower cover body (2) are both made of die-cast aluminum.
8. The industrial switching power supply of claim 1, wherein: the lower cover body (2) is provided with four attachment holes (22).
9. The industrial switching power supply of claim 2, wherein: the number of the LED status indicator lamps (11) is two, and the colors of the two LED status indicator lamps (11) are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626952.XA CN111697792A (en) | 2020-07-01 | 2020-07-01 | Industrial switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626952.XA CN111697792A (en) | 2020-07-01 | 2020-07-01 | Industrial switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111697792A true CN111697792A (en) | 2020-09-22 |
Family
ID=72485140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010626952.XA Pending CN111697792A (en) | 2020-07-01 | 2020-07-01 | Industrial switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111697792A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114667023A (en) * | 2020-12-22 | 2022-06-24 | 比亚迪股份有限公司 | Driving device of medical product and medical equipment |
| USD988309S1 (en) * | 2021-03-08 | 2023-06-06 | Interface Corporation | Data processing device |
| USD1006012S1 (en) * | 2020-08-28 | 2023-11-28 | Siemens Aktiengesellschaft | Computer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201657564U (en) * | 2010-04-20 | 2010-11-24 | 广州冠今电子科技有限公司 | Waterproof radiating box body of electric appliance |
| CN203968533U (en) * | 2014-06-23 | 2014-11-26 | 刘乃东 | A kind of Switching Power Supply compartment |
| CN205883752U (en) * | 2016-02-16 | 2017-01-11 | 宁夏凯速隆资产管理有限公司 | Power supply housing |
| CN209329954U (en) * | 2019-03-05 | 2019-08-30 | 深圳市亿硕电子电源有限公司 | A kind of Waterproof LED power supply |
| CN210246065U (en) * | 2019-06-19 | 2020-04-03 | 沈阳兴华航空电器有限责任公司 | A quick-witted case for power conversion |
-
2020
- 2020-07-01 CN CN202010626952.XA patent/CN111697792A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201657564U (en) * | 2010-04-20 | 2010-11-24 | 广州冠今电子科技有限公司 | Waterproof radiating box body of electric appliance |
| CN203968533U (en) * | 2014-06-23 | 2014-11-26 | 刘乃东 | A kind of Switching Power Supply compartment |
| CN205883752U (en) * | 2016-02-16 | 2017-01-11 | 宁夏凯速隆资产管理有限公司 | Power supply housing |
| CN209329954U (en) * | 2019-03-05 | 2019-08-30 | 深圳市亿硕电子电源有限公司 | A kind of Waterproof LED power supply |
| CN210246065U (en) * | 2019-06-19 | 2020-04-03 | 沈阳兴华航空电器有限责任公司 | A quick-witted case for power conversion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1006012S1 (en) * | 2020-08-28 | 2023-11-28 | Siemens Aktiengesellschaft | Computer |
| CN114667023A (en) * | 2020-12-22 | 2022-06-24 | 比亚迪股份有限公司 | Driving device of medical product and medical equipment |
| USD988309S1 (en) * | 2021-03-08 | 2023-06-06 | Interface Corporation | Data processing device |
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| PB01 | Publication | ||
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Application publication date: 20200922 |