CN218295682U - Electromagnetic steam device - Google Patents
Electromagnetic steam device Download PDFInfo
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- CN218295682U CN218295682U CN202121756935.4U CN202121756935U CN218295682U CN 218295682 U CN218295682 U CN 218295682U CN 202121756935 U CN202121756935 U CN 202121756935U CN 218295682 U CN218295682 U CN 218295682U
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Abstract
The utility model provides an electromagnetic steam device, which comprises an electromagnetic steam component and an IGBT radiator; the electromagnetic steam assembly comprises an electromagnetic steam inner container and a coil assembly; the coil component comprises an electromagnetic heater and a coil wound on the outer surface of the electromagnetic steam inner container; the electromagnetic heater is used for supplying power to the coil; the IGBT radiator comprises a heat exchanger, a heat exchange water inlet pipe and a heat exchange water outlet pipe; the heat exchanger is fixed on the electromagnetic heater, the heat exchange water inlet pipe is connected to the water inlet end of the heat exchanger, and the heat exchange water outlet pipe is connected to the water outlet end of the heat exchanger, so that the purpose of utilizing the heat of the coil assembly generating the skin effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of steam generator waste heat recovery utilizes, more specifically says, relates to an electromagnetism steam device.
Background
The heating principle of the electromagnetic steam device is that electromagnetic induction heating is adopted, namely alternating current generated by an induction heating power supply generates an alternating magnetic field through an inductor, and a magnetic permeable object is placed in the alternating magnetic field to cut magnetic lines of the alternating magnetic field, so that alternating current is generated inside the magnetic permeable object. The alternating current is an eddy current. The eddy current makes the atoms of the magnetic conductive object perform high-speed irregular motion to generate heat energy, thereby playing the role of heating the objects placed in the magnetic conductive object.
When alternating current is generated inside the magnetic conductive object, the current is distributed unevenly, the current is concentrated on the thin layer of the magnetic conductive object close to the outer surface of the thin layer, the closer the current is to the outer surface of the magnetic conductive object, the higher the density of the current is, and the smaller current exists inside the magnetic conductive object, so that the resistance of the magnetic conductive object is increased. This phenomenon is called skin effect. When alternating current is generated inside the magnetic conductive object, the skin effect can also occur in the inductor, so that the inductor generating the skin effect generates a large amount of heat which cannot be effectively utilized and is very wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electromagnetism steam device to solve the inductor of the production skin effect that exists among the prior art and produce a large amount of heats, this heat can not obtain effectual utilization, very extravagant technical problem.
In order to achieve the purpose, the utility model adopts the technical proposal that: an electromagnetic steam device is provided, which comprises an electromagnetic steam component and an IGBT radiator;
the electromagnetic steam assembly comprises an electromagnetic steam inner container and a coil assembly;
the coil component comprises an electromagnetic heater and a coil wound on the outer surface of the electromagnetic steam inner container;
the electromagnetic heater is used for supplying power to the coil;
the IGBT radiator comprises a heat exchanger, a heat exchange water inlet pipe and a heat exchange water outlet pipe;
the heat exchanger is fixed on the electromagnetic heater, the heat exchange water inlet pipe is connected to the water inlet end of the heat exchanger, and the heat exchange water outlet pipe is connected to the water outlet end of the heat exchanger.
Furthermore, the electromagnetic steam device also comprises a waste heat recovery assembly, wherein the waste heat recovery assembly comprises a circulating water pipe, a buffer water tank, a liner water supply pipe and a circulating water supply pipe;
the circulating water pipe is wound on the electromagnetic steam inner container and covers the coil, and the water outlet end of the circulating water pipe is communicated with the water inlet end of the buffer water tank;
the liner water supply pipe and the circulating water supply pipe are both connected to the water outlet end of the buffer water tank;
the inner container water supply pipe is connected with the water inlet end of the electromagnetic steam inner container;
the circulating water supply pipe is connected to the water inlet end of the circulating water pipe.
Furthermore, the heat exchange water outlet pipe is connected to the water inlet end of the buffer water tank.
Furthermore, the waste heat recovery assembly further comprises a water replenishing water pump, the inner container water supply pipe comprises a first inner container water supply pipe and a second inner container water supply pipe, one end of the first inner container water supply pipe is connected to the water outlet end of the buffer water tank, the other end of the first inner container water supply pipe is connected to the water inlet end of the water replenishing water pump, one end of the second inner container water supply pipe is connected to the water outlet end of the water replenishing water pump, and the other end of the second inner container water supply pipe is connected to the water inlet end of the electromagnetic steam inner container.
Furthermore, the electromagnetic steam assembly further comprises a one-way valve, and one end of the second inner container water supply pipe, which is back to the water supplementing water pump, is connected to the water inlet end of the electromagnetic steam inner container through the one-way valve.
Furthermore, the waste heat recovery assembly further comprises a circulating water pump, the circulating water supply pipe comprises a first circulating water supply part and a second circulating water supply part, one end of the first circulating water supply part is connected to the water outlet end of the buffer water tank, the other end of the first circulating water supply part is connected to the water inlet end of the circulating water pump, one end of the second circulating water supply part is connected to the water outlet end of the circulating water pump, and the other end of the second circulating water supply part is connected to the water inlet end of the circulating water pipe.
Furthermore, a sewage discharge end part is arranged at the bottom of the buffer water tank.
Furthermore, the water outlet end of the buffer water tank is provided with a first port and a second port, the first port of the water outlet end of the buffer water tank is located in the buffer water tank, the second port of the water outlet end of the buffer water tank is located outside the buffer water tank, the sewage discharge end is provided with a first port and a second port, the first port of the sewage discharge end is located in the buffer water tank, the second port of the sewage discharge end is located outside the buffer water tank, and the first port of the water outlet end of the buffer water tank is higher than the first port of the sewage discharge end.
Further, the heat exchanger is a copper fin heat exchanger.
Furthermore, the outer surface of the electromagnetic steam inner container is provided with a heat insulation layer, and the coil is wound on the heat insulation layer.
The utility model provides a pair of electromagnetism steam device's beneficial effect lies in: compared with the prior art, the electromagnetic heater can generate certain heat in the working process, the heat exchanger transfers the heat generated by the electromagnetic heater to cold water entering the heat exchanger, the heated cold water flows out of the heat exchange water outlet pipe, and the heated cold water in the heat exchange water outlet pipe is convenient for a user to use, so that the heat of the skin effect on the coil assembly is utilized to a certain extent. The IGBT radiator can be detached from the electromagnetic heater, and the modularized arrangement of the electromagnetic steam device is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an electromagnetic steam device according to an embodiment of the present invention.
Wherein, in the figures, the various reference numbers:
1. an electromagnetic steam assembly; 11. an electromagnetic steam inner container; 111. a heat-insulating layer; 12. a coil assembly; 121. an electromagnetic heater; 122. a coil; 13. a one-way valve; 14. a manual blowdown ball valve; 15. a steam outlet portion; 16. a safety valve; 17. a pressure detection device; 18. a liquid level meter; 191. a first branch pipe; 192. a second branch pipe; 193. a connecting pipe; 2. a waste heat recovery assembly; 21. a circulating water pipe; 22. a buffer water tank; 221. a blowdown end portion; 23. a water supply pipe for the inner container; 231. a first inner container water supply pipe; 232. a second inner container water supply pipe; 24. circulating a water supply pipe; 241. a first circulating water supply member; 242. a second circulating water supply member; 25. a water replenishing pump; 26. a circulating water pump; 3. an IGBT radiator; 31. a heat exchanger; 32. a heat exchange water inlet pipe; 33. and a heat exchange water outlet pipe.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, an electromagnetic steam device provided by the present invention will now be described. An electromagnetic steam device comprises an electromagnetic steam component 1 and an IGBT radiator 3;
the electromagnetic steam assembly 1 comprises an electromagnetic steam inner container 11 and a coil assembly 12;
the coil assembly 12 comprises an electromagnetic heater 121 and a coil 122 wound on the outer surface of the electromagnetic steam inner container 11;
the electromagnetic heater 121 is used for supplying power to the coil 122;
the IGBT radiator 3 comprises a heat exchanger 31, a heat exchange water inlet pipe 32 and a heat exchange water outlet pipe 33;
the heat exchanger 31 is fixed on the electromagnetic heater 121, the heat exchange water inlet pipe 32 is connected to the water inlet end of the heat exchanger 31, and the heat exchange water outlet pipe 33 is connected to the water outlet end of the heat exchanger 31.
The utility model provides a pair of electromagnetic steam device, compare with prior art, electromagnetic heater 121 can produce certain heat at the in-process of work, and heat exchanger 31 flows out in the cold water that enters into heat exchanger 31 with the heat transfer that electromagnetic heater 121 produced in through heat transfer outlet pipe 33, the cold water that is heated in the heat transfer outlet pipe 33 be convenient for the user and use to the heat of the skin effect on the coil pack 12 obtains certain utilization. The IGBT radiator 3 is detachable from the electromagnetic heater 121, enabling a modular arrangement of the electromagnetic steam device.
Specifically, the coil 122 has a first energization connecting end connected to the first coil 122 connecting end of the electromagnetic heater 121 and a second energization connecting end connected to the second coil 122 connecting end of the electromagnetic heater 121.
Specifically, the heat exchanger 31 is fixed on a radiator of the electromagnetic heater 121, and the heat dissipation fan of the electromagnetic heater 121 and the radiator cooperate to discharge the heat in the electromagnetic heater 121 to the outside of the electromagnetic heater 121, and the heat entering the radiator is absorbed by the heat exchanger 31.
Further, referring to fig. 1, as a specific implementation manner of the electromagnetic steam device provided by the present invention, the electromagnetic steam device further includes a waste heat recovery assembly 2, the waste heat recovery assembly includes a circulating water pipe 21, a buffer water tank 22, a liner water supply pipe 23 and a circulating water supply pipe 24;
the circulating water pipe 21 is wound on the electromagnetic steam inner container 11 and covers the coil 122, and the water outlet end of the circulating water pipe 21 is communicated with the water inlet end of the buffer water tank 22;
the liner water supply pipe 23 and the circulating water supply pipe 24 are both connected to the water outlet end of the buffer water tank 22;
the inner container water supply pipe 23 is connected with the water inlet end of the electromagnetic steam inner container 11;
the circulating water supply pipe 24 is connected to a water inlet end of the circulating water pipe 21.
During use of the coil assembly 12, skin effect heat from the coil 122 enters the water circulation pipe 21 from the outside of the water circulation pipe 21, so that the water in the water circulation pipe 21 is heated. The heated water in the circulating water pipe 21 enters the buffer water tank 22, and the heated water in the buffer water tank 22 enters the electromagnetic steam inner container 11 through the inner container water supply pipe 23, so that the heated water in the electromagnetic steam inner container 11 has a certain temperature, the electromagnetic steam device consumes less electric energy to heat the heated water in the electromagnetic steam inner container 11 to form steam, and the electric energy consumed by the electromagnetic steam device is reduced. In addition, the water in the inner container water supply pipe 23 has a certain temperature, so that the problems of icing, water shortage and scale formation of the water in the inner container water supply pipe 23 are reduced.
Further, please refer to fig. 1, as a specific embodiment of the electromagnetic steam device provided by the present invention, the heat exchange water outlet pipe 33 is connected to the water inlet end of the buffer water tank 22.
Compare in direct water supply to buffer tank 22, supply water to buffer tank 22 through IGBT radiator 3, be favorable to reducing and make buffer tank 22 knot incrustation scale and the risk of freezing to buffer tank 22 direct water supply.
Further, please refer to fig. 1, as the utility model provides a pair of a specific implementation of electromagnetism steam device, the waste heat is retrieved subassembly 2 and is still included moisturizing water pump 25, inner bag water supply pipe 23 includes first inner bag water supply pipe 231 and second inner bag water supply pipe 232, the one end of first inner bag water supply pipe 231 is connected in buffer tank 22's the water outlet end, the other end of first inner bag water supply pipe 231 is connected in moisturizing water pump 25's the end of intaking, the one end of second inner bag water supply pipe 232 is connected in moisturizing water pump 25's the water outlet end, the other end of second inner bag water supply pipe 232 is connected in the end of intaking of electromagnetism steam inner bag 11.
The water in the buffer water tank 22 is controlled to enter the electromagnetic steam inner container 11 through the water replenishing water pump 25, and the convenience of controlling water replenishing in the electromagnetic steam inner container 11 is improved. The pressure of the water passing through the water replenishing pump 25 becomes large, so that the water in the electromagnetic steam inner container 11 can reach the preset water level.
Specifically, the water inlet end of the electromagnetic steam inner container 11 is located at the bottom of the electromagnetic steam inner container 11.
Further, referring to fig. 1, as a specific embodiment of the electromagnetic steam device provided by the present invention, the electromagnetic steam assembly 1 further includes a check valve 13, and one end of the second inner container water supply pipe 232 facing away from the water replenishing pump 25 is connected to the water inlet end of the electromagnetic steam inner container 11 through the check valve 13.
The water in the electromagnetic steam inner container 11 is not easy to be discharged to the outside of the electromagnetic steam inner container 11 from the water inlet end of the electromagnetic steam inner container 11.
Specifically, the check valve 13 is a manual valve or an electronic valve.
Further, please refer to fig. 1, as the utility model provides a pair of an electromagnetic steam device's a specific embodiment, the waste heat is retrieved subassembly 2 and is still included circulating water pump 26, circulating water pipe 24 includes first circulation water supply piece 241 and second circulation water supply piece 242, the one end of first circulation water supply piece 241 is connected in buffer tank 22's play water end, the other end of first circulation water supply piece 241 is connected in circulating water pump 26's the end of intaking, the one end of second circulation water supply piece 242 is connected in circulating water pump 26's play water end, the other end of second circulation water supply piece 242 is connected in circulating water pipe 21's the end of intaking.
The circulating water pump 26 is convenient for controlling the water in the buffer water tank 22 to enter the circulating water pipe 21, and the convenience for controlling the water supplement in the circulating water pipe 21 is improved. The pressure of the water passing through the circulating water pump 26 becomes high, so that the water in the circulating water pipe 21 is allowed to flow continuously, and skin effect heat on the coil 122 is absorbed continuously. The circulating water pipe 21 and the electromagnetic steam inner container 11 are independently arranged for supplying water, so that a user can conveniently adjust the water supply of the circulating water pipe 21 and the electromagnetic steam inner container 11 according to the temperature and the pressure of the water in the buffer water tank 22.
Further, please refer to fig. 1, as a specific embodiment of the electromagnetic steam device provided by the present invention, a blow-down end 221 is disposed on the bottom of the buffer water tank 22, so as to facilitate discharging the precipitate in the buffer water tank 22, so that the precipitate is not easy to be discharged from the liner water supply pipe 23 and the circulation water supply pipe 24, thereby ensuring the normal use of the circulation water pipe 21 and the electromagnetic steam liner 11.
Further, please refer to fig. 1, as the utility model provides a specific implementation of an electromagnetic steam device, the outlet end of the buffer water tank 22 has a first port and a second port, the first port of the outlet end of the buffer water tank 22 is located the buffer water tank 22, the second port of the outlet end of the buffer water tank 22 is located outside the buffer water tank 22, the blowdown tip 221 has a first port and a second port, the first port of the blowdown tip 221 is located the buffer water tank 22, the second port of the blowdown tip 221 is located outside the buffer water tank 22, the first port of the outlet end of the buffer water tank 22 is higher than the first port of the blowdown tip 221.
Since the first port of the water outlet end of the buffer water tank 22 is disposed at a height higher than that of the first port of the sewage discharge end 221, impurities in the water are precipitated at the bottom of the buffer water tank 22 and the height of the precipitated impurities is lower than that of the first port of the water outlet end of the buffer water tank 22, and the precipitated impurities are directly discharged from the first port of the sewage discharge end 221.
Specifically, the height of the first port of the blowdown end portion 221 is 0mm, and the height of the first port of the water outlet end of the buffer water tank 22 is 15mm-25mm.
Further, please refer to fig. 1, as a specific implementation of the electromagnetic steam device provided by the present invention, the heat exchanger 31 is a copper fin heat exchanger 31, the copper fin heat exchanger 31 has a better heat exchange function, which is favorable for making full use of the heat generated by the electromagnetic heater 121.
Further, referring to fig. 1, as a specific embodiment of the electromagnetic steam device provided by the present invention, the outer surface of the electromagnetic steam liner 11 is provided with a heat insulating layer 111, and the coil 122 is wound on the heat insulating layer 111.
The insulating layer 111 not only ensures that the temperature of the electromagnetic steam inner container 11 is not easy to lose, but also ensures that the energized coil 122 heats the electromagnetic steam inner container 11.
Further, please refer to fig. 1, as a specific implementation manner of the electromagnetic steam device provided by the present invention, the electromagnetic steam component 1 further includes a manual blowdown ball valve 14, a steam outlet 15, a safety valve 16, a pressure detection device 17, a liquid level meter 18, a first branch pipe 191, a second branch pipe 192 and a connection pipe 193, the manual blowdown ball valve 14 is disposed at the bottom of the electromagnetic steam inner container 11, the steam outlet 15 is disposed at the top of the electromagnetic steam inner container 11, the first branch pipe 191 and the second branch pipe 192 are connected to the electromagnetic steam inner container 11, the first branch pipe 191 and the second branch pipe 192 are disposed at an interval, the first branch pipe 191 is located above the second branch pipe 192, the safety valve 16 and the pressure detection device 17 are disposed on the first branch pipe 191, the connection pipe 193 is connected between the first branch pipe 191 and the second branch pipe 192, the length direction of the connection pipe 193 is parallel to the length direction of the electromagnetic steam inner container 11, and the liquid level meter 18 is disposed at the top end of the connection pipe 193.
The manual blowdown ball valve 14 is convenient for discharging impurities at the bottom of the electromagnetic steam inner container 11.
The steam outlet part 15 facilitates the discharge of steam from the electromagnetic steam inner container 11.
The liquid level meter 18 is used for detecting the water level in the connection pipe 193, thereby realizing the detection of the water level in the electromagnetic steam inner container 11.
When the pressure of the electromagnetic steam inner container 11 is too large or too small, the safety valve 16 can restore the pressure of the electromagnetic steam inner container 11 to a normal range.
The pressure detection device 17 is used for detecting and displaying the pressure of the electromagnetic steam inner container 11.
Specifically, the electromagnetic steam assembly 1 further includes a steam outlet valve (not shown) disposed at the steam outlet portion 15, and the steam outlet valve is used for controlling the opening or closing of the steam outlet portion 15.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. An electromagnetic steam device is characterized by comprising an electromagnetic steam component and an IGBT radiator;
the electromagnetic steam assembly comprises an electromagnetic steam inner container and a coil assembly;
the coil assembly comprises an electromagnetic heater and a coil wound on the outer surface of the electromagnetic steam inner container;
the electromagnetic heater is used for supplying power to the coil;
the IGBT radiator comprises a heat exchanger, a heat exchange water inlet pipe and a heat exchange water outlet pipe;
the heat exchanger is fixed on the electromagnetic heater, the heat exchange water inlet pipe is connected to the water inlet end of the heat exchanger, and the heat exchange water outlet pipe is connected to the water outlet end of the heat exchanger.
2. The electromagnetic steam device as claimed in claim 1, further comprising a waste heat recovery assembly, wherein the waste heat recovery assembly comprises a circulating water pipe, a buffer water tank, a liner water supply pipe and a circulating water supply pipe;
the circulating water pipe is wound on the electromagnetic steam inner container and covers the coil, and the water outlet end of the circulating water pipe is communicated with the water inlet end of the buffer water tank;
the liner water supply pipe and the circulating water supply pipe are both connected to the water outlet end of the buffer water tank;
the inner container water supply pipe is connected with the water inlet end of the electromagnetic steam inner container;
the circulating water supply pipe is connected to the water inlet end of the circulating water pipe.
3. The electromagnetic steam device as claimed in claim 2, wherein the heat exchange water outlet pipe is connected to the water inlet end of the buffer water tank.
4. The electromagnetic steam device as claimed in claim 2, wherein the waste heat recovery assembly further comprises a water replenishing pump, the liner water supply pipe comprises a first liner water supply pipe and a second liner water supply pipe, one end of the first liner water supply pipe is connected to the water outlet end of the buffer water tank, the other end of the first liner water supply pipe is connected to the water inlet end of the water replenishing pump, one end of the second liner water supply pipe is connected to the water outlet end of the water replenishing pump, and the other end of the second liner water supply pipe is connected to the water inlet end of the electromagnetic steam liner.
5. The electromagnetic steam device as claimed in claim 4, wherein the electromagnetic steam assembly further comprises a one-way valve, and the end of the second inner container water supply pipe facing away from the water replenishing water pump is connected to the water inlet end of the electromagnetic steam inner container through the one-way valve.
6. The electromagnetic steam device as claimed in claim 4, wherein the waste heat recovery assembly further comprises a circulating water pump, the circulating water supply pipe comprises a first circulating water supply member and a second circulating water supply member, one end of the first circulating water supply member is connected to the water outlet end of the buffer water tank, the other end of the first circulating water supply member is connected to the water inlet end of the circulating water pump, one end of the second circulating water supply member is connected to the water outlet end of the circulating water pump, and the other end of the second circulating water supply member is connected to the water inlet end of the circulating water pipe.
7. An electromagnetic steam apparatus as in claim 2 wherein a blowdown end is provided at the bottom of the surge tank.
8. The electromagnetic steam device as set forth in claim 7, wherein the outlet end of the surge tank has a first port and a second port, the first port of the outlet end of the surge tank is located within the surge tank, the second port of the outlet end of the surge tank is located outside the surge tank, the blowdown end has a first port and a second port, the first port of the blowdown end is located within the surge tank, the second port of the blowdown end is located outside the surge tank, and the first port of the outlet end of the surge tank is disposed at a higher elevation than the first port of the blowdown end.
9. An electromagnetic steam unit as claimed in claim 1, in which the heat exchanger is a copper finned heat exchanger.
10. The electromagnetic steam device as claimed in any one of claims 1 to 9, wherein the outer surface of the electromagnetic steam inner container is provided with an insulating layer, and the coil is wound on the insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121756935.4U CN218295682U (en) | 2021-07-29 | 2021-07-29 | Electromagnetic steam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121756935.4U CN218295682U (en) | 2021-07-29 | 2021-07-29 | Electromagnetic steam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218295682U true CN218295682U (en) | 2023-01-13 |
Family
ID=84802665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121756935.4U Active CN218295682U (en) | 2021-07-29 | 2021-07-29 | Electromagnetic steam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218295682U (en) |
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2021
- 2021-07-29 CN CN202121756935.4U patent/CN218295682U/en active Active
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