CN219284089U - Spraying device for external water cooling system of magnetic resonance equipment - Google Patents
Spraying device for external water cooling system of magnetic resonance equipment Download PDFInfo
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- CN219284089U CN219284089U CN202223108519.0U CN202223108519U CN219284089U CN 219284089 U CN219284089 U CN 219284089U CN 202223108519 U CN202223108519 U CN 202223108519U CN 219284089 U CN219284089 U CN 219284089U
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Abstract
The utility model provides a spray device (100) for an external water cooling system of magnetic resonance equipment. The spraying device (100) comprises a sprayer (101), a water supply unit (102), a communication pipeline and a timing controller (104), wherein the output end of the timing controller (104) is electrically connected to the sprayer (101), and the timing controller (104) is used for controlling the opening and closing of the sprayer (101) at preset time intervals. In the scheme, the timing controller (104) can control the sprayer to be opened at preset time to spray the outdoor unit, so that the equipment shutdown and a series of subsequent magnet problems caused by the heat dissipation problem of the outdoor unit are effectively reduced.
Description
Technical Field
The utility model relates to the technical field of magnetic resonance equipment, in particular to a spray device for an external water cooling system of magnetic resonance equipment.
Background
The external water cooling system is an indispensable auxiliary system of the magnetic resonance equipment, once the magnetic resonance equipment is stopped due to failure, the cold head stops running, and if the cold head is not repaired in time, a great deal of serious conditions such as volatilization of liquid helium, magnet quench and even magnet heating are caused, and thermal cycle maintenance is needed. The problem of the external water cooling system is mostly caused by the outdoor unit. Factors such as high temperature hot weather, direct sunlight, blockage of cooling fins, centralized position of an outdoor unit of multiple devices, airtight and narrow position space of the outdoor unit and the like all lead to low heat dissipation efficiency of the outdoor unit, a water cooling system starts high-temperature protection, so that magnetic resonance equipment is stopped, a cold head stops running, liquid helium volatilizes, even is quenched, a magnet becomes hot and the like, and huge economic loss is brought.
In the prior art, the environment position of the outdoor unit is mainly changed; the number of the outdoor units is increased; arranging special persons to regularly wash/clean the radiating fins of the outdoor unit; after the water cooling machine is protected at high temperature, four modes of switching tap water circulation and the like are adopted to improve the low heat dissipation efficiency of the outdoor unit and reduce the occurrence of subsequent serious problems. However, the above solution has the disadvantage of generating huge cost additionally, and has high requirements on the site, and normal scanning of the equipment cannot be ensured even after tap water circulation is switched.
Disclosure of Invention
The utility model aims to overcome the defect of low heat dissipation efficiency of an outdoor unit of an external water cooling system of magnetic resonance equipment in the prior art, and provides a spray device for the external water cooling system of the magnetic resonance equipment.
The utility model realizes the technical effects by the following technical scheme:
a spray device for an external water cooling system of a magnetic resonance apparatus, the spray device comprising:
the sprayer is used for spraying the outdoor unit of the external water cooling system;
the water supply unit is communicated with the sprayer and provides a water source for the sprayer;
the communication pipeline is connected with the sprayer and the water supply unit;
the output end of the timing controller is electrically connected with the sprayer, and the timing controller is arranged to control the opening and closing of the sprayer at preset time intervals.
In the scheme, the timing controller can control the sprayer to be opened at preset time to spray the outdoor unit; according to the actual demands of the client, a spraying plan and spraying time are freely set, and the sprayer performs spraying work regularly, so that equipment shutdown and a series of subsequent magnet problems caused by the problem of heat dissipation of an outdoor unit are effectively reduced; the scheme has low cost, intelligence and high efficiency, is almost suitable for improving the problem of low heat dissipation efficiency of the outdoor unit caused by various factors, and is especially suitable for the conditions that equipment is not inspected by people during long vacation or epidemic situations, or the equipment is not used and cannot be monitored daily due to certain factors after being installed; the heat dissipation efficiency of the outdoor unit is improved, and the serious problems of subsequent volatilization of liquid helium, magnet quench, thermal cycle maintenance and the like are reduced; in addition, the sprayer can play a role in flushing and cleaning the radiating fins of the outdoor unit, improve radiating efficiency, reduce maintenance/repair cost of equipment and reduce unnecessary economic loss.
Preferably, the spraying device comprises an electric valve, the electric valve is arranged on the communicating pipeline, and the timing controller controls the opening and closing of the electric valve so as to enable the communicating pipeline to be communicated with and disconnected from the sprayer.
Preferably, the timing controller is electrically connected to the electric valve, the timing controller is electrified to open the electric valve, and the timing controller is powered off to control the electric valve to be closed.
Preferably, the spraying device further comprises a power supply electrically connected to the timing controller to supply power to the timing controller;
the power supply comprises an electric connector and a waterproof shell, and the waterproof shell is covered outside the electric connector; or, the power supply comprises a battery, the timing controller is provided with a battery groove, and the battery is arranged in the battery groove.
In this scheme, to the scheme of setting up electric connector, through setting up waterproof shell, can reduce the short circuit risk of water splash socket. The scheme for setting the battery can be applied to the situation that no power socket exists on site, and the applicability is improved.
Preferably, the spraying device comprises two sprayers, namely a first sprayer and a second sprayer, and further comprises a three-way joint, wherein a first end of the three-way joint is connected with the communication pipeline, a second end of the three-way joint is connected with the first sprayer through a first branch pipe, and a third end of the three-way joint is connected with the second sprayer through a second branch pipe.
In this scheme, set up two sprayers and spray, increased and sprayed the area, improved the radiating effect. In addition, when one sprayer breaks down, the other sprayer can be used as a spare part, so that the influence on the spray heat dissipation of the outdoor unit is avoided.
Preferably, the spraying device comprises two electric valves, namely a first electric valve and a second electric valve, which are respectively arranged on the first branch pipe and the second branch pipe, and the timing controller is electrically connected with the first electric valve;
the spraying device further comprises a temperature sensor and a temperature controller, wherein the temperature sensor is used for detecting the temperature of a fan outlet of the outdoor unit and generating a temperature signal; the input end of the temperature controller is electrically connected with the temperature sensor, and the output end of the temperature controller is electrically connected with the second electric valve and controls the opening and closing of the second electric valve according to the temperature signal of the temperature sensor.
In the scheme, the temperature sensed by the temperature sensor is compared with a preset temperature threshold value through the temperature controller, and if the temperature exceeds the temperature threshold value, the temperature controller controls the second sprayer to be opened so as to spray the outdoor unit. The spraying mode combining temperature control and timing control is adopted, so that even if the preset time interval is unreasonable or overlong in seasons with higher temperature, the sprayer can be opened in time for spraying through temperature detection, and the temperature of the outdoor unit is prevented from being too high.
Preferably, the spraying device comprises two sprayers, namely a first sprayer and a second sprayer, the spraying device comprises two communication pipelines and two water supply units, and the first sprayer and the second sprayer are connected with the two water supply units through the two communication pipelines respectively;
the timing controller is electrically connected to the first sprayer and used for controlling the opening and closing of the first sprayer;
the spraying device further comprises a temperature sensor and a temperature controller, wherein the temperature sensor is used for detecting the temperature of a fan outlet of the outdoor unit and generating a temperature signal; the input end of the temperature controller is electrically connected with the temperature sensor, and the output end of the temperature controller is electrically connected with the second sprayer and controls the opening and closing of the sprayer according to the temperature signal of the temperature sensor.
In this scheme, adopt the spray mode that temperature control and timing control combined together to in the season that the temperature is higher, even preset time interval is unreasonable or overlength, still can in time open the shower through temperature detection and spray, avoid the off-premises station high temperature.
Preferably, the spraying device further comprises a bidirectional diverter, a first end of the bidirectional diverter is connected with the water supply unit, a second end of the bidirectional diverter is connected with the communication pipeline, and a third end of the bidirectional diverter is connected with the water supplementing pipeline;
the water supplementing pipeline is used for being connected with the external water cooling system so as to supply water to the external water cooling system.
In this scheme, moisturizing pipeline and spray set adopt same water supply unit to supply water, simple structure, the construction of being convenient for.
Preferably, the sprayer comprises a plurality of spray holes, and the opening and closing of the spray holes can be adjusted so as to adjust the spray water quantity of the sprayer.
In this scheme, through the switching of adjusting different orifice, can adjust the water spray volume to whole shower, avoid wasting water resource.
Preferably, the spraying device further comprises a booster pump, and the booster pump is arranged on the communicating pipeline;
and/or, the spraying device further comprises a water pressure gauge, and the water pressure gauge is arranged on the communication pipeline;
and/or, the spraying device further comprises a water purifier, and the water purifier is arranged on the communicating pipeline between the sprayer and the water supply unit.
In the scheme, by arranging the booster pump, the water pressure can be enhanced under the condition of insufficient water pressure, so that the spraying of the sprayer is conveniently realized; the water pressure meter is used for measuring the water pressure of the water supply unit; through setting up the water purifier, under the relatively poor circumstances of quality of water, can improve quality of water, improve and spray efficiency.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that: the timing controller can control the sprayer to be opened at preset time to spray the outdoor unit; according to the actual demands of the client, a spraying plan and spraying time are freely set, and the sprayer performs spraying work regularly, so that equipment shutdown and a series of subsequent magnet problems caused by the problem of heat dissipation of an outdoor unit are effectively reduced; the scheme has low cost, intelligence and high efficiency, is almost suitable for improving the problem of low heat dissipation efficiency of the outdoor unit caused by various factors, and is especially suitable for the conditions that equipment is not inspected by people during long vacation or epidemic situations, or the equipment is not used and cannot be monitored daily due to certain factors after being installed; the heat dissipation efficiency of the outdoor unit is improved, and the serious problems of subsequent volatilization of liquid helium, magnet quench, thermal cycle maintenance and the like are reduced; in addition, the sprayer can play a role in flushing and cleaning the radiating fins of the outdoor unit, improve radiating efficiency, reduce maintenance/repair cost of equipment and reduce unnecessary economic loss.
Drawings
The above and other features and advantages of the present utility model will become more apparent to those of ordinary skill in the art by describing in detail embodiments of the present utility model with reference to the attached drawings.
Fig. 1 is a system schematic diagram of a spray device for an external water cooling system of a magnetic resonance apparatus according to a preferred embodiment of the present utility model.
Figure 2 is a flow chart of the operation of a spray device for an external water cooling system of a magnetic resonance apparatus according to a preferred embodiment of the present utility model.
Wherein, the reference numerals are as follows:
Sprayer 101
Water purifier 110
Detailed Description
For a clearer understanding of the technical features, objects and effects of the present utility model, embodiments of the present utility model will now be described with reference to the drawings, in which like reference numerals refer to like parts throughout the various views.
In this document, "schematic" means "serving as an example, instance, or illustration," and any illustrations, embodiments described herein as "schematic" should not be construed as a more preferred or advantageous solution.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled.
Herein, "a" means not only "only this one" but also "more than one" case. Herein, "first", "second", etc. are used merely to distinguish one from another, and do not indicate their importance and order, and preconditions for existence of one another, etc.
The utility model provides a spray device 100 for an external water cooling system of magnetic resonance equipment. The shower apparatus 100 includes a shower 101, a water supply unit 102, a communication line, and a timing controller 104. The sprayer 101 is used for spraying an outdoor unit of the external water cooling system; the water supply unit 102 communicates with the sprinkler 101 and supplies water to the sprinkler 101; the communication pipeline is connected to the sprayer 101 and the water supply unit 102; the output end of the timing controller 104 is electrically connected to the sprayer 101, and the timing controller 104 is configured to control the on and off of the sprayer 101 at preset time intervals.
In the present embodiment, the timing controller 104 may control the sprayer 101 to be turned on at a predetermined time to spray the outdoor unit; according to the actual demands of the client, the spraying plan and the spraying time are freely set, and the sprayer 101 performs spraying work regularly, so that the equipment shutdown and a series of subsequent magnet problems caused by the heat dissipation problem of the outdoor unit are effectively reduced; the scheme has low cost, intelligence and high efficiency, is almost suitable for improving the problem of low heat dissipation efficiency of the outdoor unit caused by various factors, and is especially suitable for the conditions that equipment is not inspected by people during long vacation or epidemic situations, or the equipment is not used and cannot be monitored daily due to certain factors after being installed; the heat dissipation efficiency of the outdoor unit is improved, and the serious problems of subsequent volatilization of liquid helium, magnet quench, thermal cycle maintenance and the like are reduced; in addition, the sprayer 101 can have the effect of washing and cleaning the outdoor unit radiating fins, improve radiating efficiency, reduce maintenance/repair cost of equipment, and reduce unnecessary economic loss.
Specifically, the water supply unit 102 may be a faucet. The connecting pipeline can be a water supply pipeline such as a plastic water pipe, a metal water pipe and the like.
The sprinkler 100 includes an electric valve 105, the electric valve 105 is provided on a communication pipe, and the timing controller 104 controls opening and closing of the electric valve 105 to connect and disconnect the communication pipe with the sprinkler 101. Specifically, the electrically operated valve 105 is an electrically operated ball valve.
The timing controller 104 is electrically connected to the electric valve 105, the timing controller 104 is powered on to open the electric valve 105, and the timing controller 104 is powered off to control the electric valve 105 to be closed.
The spray device 100 further comprises a power source electrically connected to the timing controller 104 to supply power to the timing controller 104; the power supply comprises an electric connector and a waterproof shell, and the waterproof shell is covered outside the electric connector; for the scheme of setting up electric connector, through setting up waterproof shell, can reduce the short circuit risk of splash socket. The timer controller 104 could set a 999 hour working interval at maximum under this scenario.
In an alternative embodiment, the power source may also include a battery, and the timer control 104 is provided with a battery compartment within which the battery is disposed. The method can be applied to the situation that no power socket exists on site, and improves applicability. The timing controller 104 can set an operation interval of one week at the maximum in this scheme.
The spray device 100 comprises two sprayers 101, namely a first sprayer 101 and a second sprayer 101, the spray device 100 further comprises a three-way joint, a first end of the three-way joint is connected to a communication pipeline, a second end of the three-way joint is connected to the first sprayer 101 through a first branch pipe, and a third end of the three-way joint is connected to the second sprayer 101 through a second branch pipe. Two sprayers 101 are arranged for spraying, so that the spraying area is increased, and the heat dissipation effect is improved. In addition, when one sprayer 101 fails, the other sprayer 101 can be used as a spare part, so that the influence on the spray heat dissipation of the outdoor unit is avoided.
It should be noted that the number of sprayers 101 is not limited to two, and more sprayers 101 may be used according to actual needs, and a plurality of electrically operated valves 105 and multi-way connectors may be used accordingly.
The spraying device 100 comprises two electric valves 105, namely a first electric valve 105 and a second electric valve 105, which are respectively arranged on a first branch pipe and a second branch pipe, and a timing controller 104 is electrically connected with the first electric valve 105; the spraying device 100 further comprises a temperature sensor and a temperature controller, wherein the temperature sensor is used for detecting the temperature of a fan outlet of the outdoor unit and generating a temperature signal; the input end of the temperature controller is electrically connected with the temperature sensor, and the output end of the temperature controller is electrically connected with the second electric valve 105 and controls the opening and closing of the second electric valve 105 according to the temperature signal of the temperature sensor. The temperature sensed by the temperature sensor is compared with a preset temperature threshold by the temperature controller, and if the temperature exceeds the temperature threshold, the temperature controller controls the second sprayer 101 to be opened so as to spray the outdoor unit. The spraying mode combining temperature control and timing control is adopted, so that even if the preset time interval is unreasonable or overlong in seasons with higher temperature, the sprayer 101 can be opened in time for spraying through temperature detection, and the temperature of the outdoor unit is prevented from being too high.
The temperature sensor may in particular be an analog temperature probe or a digital temperature probe. The feedback temperature of the digital temperature probe is more direct and accurate, and the working efficiency of the controller for controlling spraying can be improved.
In another preferred embodiment, the spray device 100 includes two sprayers 101, namely a first sprayer 101 and a second sprayer 101, respectively, the spray device 100 includes two communication pipelines and two water supply units 102, and the first sprayer 101 and the second sprayer 101 are connected to the two water supply units 102 through the two communication pipelines, respectively; the timing controller 104 is electrically connected to the first sprayer 101 and is used for controlling the first sprayer 101 to be turned on and turned off; the spraying device 100 further comprises a temperature sensor and a temperature controller, wherein the temperature sensor is used for detecting the temperature of a fan outlet of the outdoor unit and generating a temperature signal; the input end of the temperature controller is electrically connected with the temperature sensor, and the output end of the temperature controller is electrically connected with the second sprayer 101 and controls the opening and closing of the sprayer 101 according to the temperature signal of the temperature sensor. The spraying mode combining temperature control and timing control is adopted, so that even if the preset time interval is unreasonable or overlong in seasons with higher temperature, the sprayer 101 can be opened in time for spraying through temperature detection, and the temperature of the outdoor unit is prevented from being too high.
The spraying device 100 further comprises a bidirectional diverter 108, wherein a first end of the bidirectional diverter 108 is connected to the water supply unit 102, a second end of the bidirectional diverter 108 is connected to the communication pipeline, and a third end of the bidirectional diverter 108 is connected to the water supplementing pipeline 201; the water supplementing pipeline 201 is used for being connected to the external water cooling system to supply water to the external water cooling system. The water supplementing pipeline 201 and the spraying device 100 adopt the same water supply unit 102 for supplying water, and the structure is simple and the construction is convenient.
The sprayer 101 includes a plurality of spray holes, and the opening and closing of the plurality of spray holes are adjustable to adjust the spray amount of the sprayer 101. By adjusting the opening and closing of different spray holes, the water spraying amount and the spraying area of the whole sprayer 101 can be adjusted, and water resources are prevented from being wasted. Specifically, a valve is arranged on each spray hole, and the spray holes can be opened and closed by adjusting the opening and closing of the valve. The sprayer 101 is of a strip-shaped cylindrical structure, and the sprayer 101 can rotate around an axis under the action of water pressure, so that the spraying area of the sprayer 101 is increased. The rotation range of the sprayer 101 can be adjusted to adjust the spraying area of the sprayer 101 according to actual needs.
The spraying device 100 further comprises a booster pump 109, wherein the booster pump 109 is arranged on the communicating pipeline; by providing the booster pump 109, the water pressure can be enhanced in the case of insufficient water pressure, facilitating the realization of the spraying of the sprayer 101. The booster pump 109 may employ an intelligent variable frequency booster pump 109. The spraying device 100 further comprises a water pressure gauge which is arranged on the communication pipeline; the water pressure gauge is used to measure the water pressure of the water supply unit 102. The spray device 100 further includes a water purifier 110, and the water purifier 110 is disposed on a communication line between the spray device and the water supply unit 102. By providing the water purifier 110, the water quality can be improved and the spray efficiency can be improved in the case of poor water quality.
Specifically, for the water source with normal water pressure and water quality, the booster pump 109 and the water purifier 110 are not required, and the water source can be directly communicated with the sprayer 101 through a communication pipeline; for a water source with insufficient water pressure and poor water quality, a booster pump 109 and a water purifier 110 need to be arranged on a communicating pipe; for a water source with normal water pressure and poor water quality, only the water purifier 110 is needed to be arranged; for a water source with insufficient water pressure and normal water quality; only the booster pump 109 needs to be provided on the communication line.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (9)
1. A spray device (100) for an external water cooling system of a magnetic resonance apparatus, the spray device (100) comprising:
the sprayer (101) is used for spraying the outdoor unit of the external water cooling system;
a water supply unit (102), the water supply unit (102) being in communication with the sprayer (101) and providing a water source to the sprayer (101);
a communication pipeline connected to the sprayer (101) and the water supply unit (102);
the output end of the timing controller (104) is electrically connected with the sprayer (101), and the timing controller (104) is used for controlling the sprayer (101) to be turned on and off at preset time intervals;
an electric valve (105), wherein the electric valve (105) is arranged on the communicating pipeline, and the timing controller (104) controls the opening and closing of the electric valve (105) so as to enable the communicating pipeline to be communicated with and disconnected from the sprayer (101);
the sprayer is of a strip-shaped cylindrical structure, and can rotate around an axis under the action of water pressure.
2. The spray device (100) of claim 1, wherein the timing controller (104) is electrically connected to the electrically operated valve (105), the timing controller (104) being energized to open the electrically operated valve (105), the timing controller (104) being de-energized to control the electrically operated valve (105) to close.
3. The spray device (100) of claim 2, wherein the spray device (100) further comprises a power source electrically connected to the timing controller (104) to supply power to the timing controller (104);
the power supply comprises an electric connector and a waterproof shell, and the waterproof shell is covered outside the electric connector; or, the power supply comprises a battery, the timing controller is provided with a battery groove, and the battery is arranged in the battery groove.
4. The spray device (100) of claim 1, wherein the spray device (100) comprises two sprayers (101), a first sprayer and a second sprayer, respectively, the spray device (100) further comprising a three-way joint, a first end of the three-way joint being connected to the communication line, a second end of the three-way joint being connected to the first sprayer by a first branch pipe, and a third end of the three-way joint being connected to the second sprayer by a second branch pipe.
5. The spray device (100) of claim 4, wherein the spray device (100) comprises two electrically operated valves (105), a first electrically operated valve and a second electrically operated valve, respectively, disposed on the first manifold and the second manifold, respectively, the timing controller being electrically connected to the first electrically operated valve;
the spraying device (100) further comprises a temperature sensor and a temperature controller, wherein the temperature sensor is used for detecting the temperature of a fan outlet of the outdoor unit and generating a temperature signal; the input end of the temperature controller is electrically connected with the temperature sensor, and the output end of the temperature controller is electrically connected with the second electric valve and controls the opening and closing of the second electric valve according to the temperature signal of the temperature sensor.
6. The spraying device according to claim 1, wherein the spraying device (100) comprises two sprayers (101), a first sprayer and a second sprayer respectively, the spraying device (100) comprises two communication pipelines and two water supply units, and the first sprayer (101) and the second sprayer (101) are connected to the two water supply units through the two communication pipelines respectively;
the timing controller (104) is electrically connected to the first sprayer and is used for controlling the opening and closing of the first sprayer;
the spraying device (100) further comprises a temperature sensor and a temperature controller, wherein the temperature sensor is used for detecting the temperature of a fan outlet of the outdoor unit and generating a temperature signal; the input end of the temperature controller is electrically connected with the temperature sensor, and the output end of the temperature controller is electrically connected with the second sprayer and controls the opening and closing of the sprayer according to the temperature signal of the temperature sensor.
7. The spray device (100) of claim 1, wherein the spray device (100) further comprises a bi-directional diverter (108), a first end of the bi-directional diverter (108) being connected to the water supply unit (102), a second end of the bi-directional diverter (108) being connected to the communication line, a third end of the bi-directional diverter (108) being connected to the water replenishment line (201);
wherein, the water supplementing pipeline (201) is used for being connected with an external water cooling system so as to supply water to the external water cooling system.
8. The spray device (100) of claim 1, wherein the sprayer (101) includes a plurality of spray holes, and opening and closing of the plurality of spray holes is adjustable to adjust the amount of water sprayed by the sprayer (101).
9. The spray device (100) of claim 1, wherein the spray device (100) further comprises a booster pump (109), the booster pump (109) being disposed on the communication line;
and/or, the spraying device (100) further comprises a water pressure gauge, and the water pressure gauge is arranged on the communication pipeline;
and/or, the spraying device (100) further comprises a water purifier (110), and the water purifier (110) is arranged on the communicating pipeline between the sprayer and the water supply unit (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108519.0U CN219284089U (en) | 2022-11-22 | 2022-11-22 | Spraying device for external water cooling system of magnetic resonance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108519.0U CN219284089U (en) | 2022-11-22 | 2022-11-22 | Spraying device for external water cooling system of magnetic resonance equipment |
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| Publication Number | Publication Date |
|---|---|
| CN219284089U true CN219284089U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223108519.0U Active CN219284089U (en) | 2022-11-22 | 2022-11-22 | Spraying device for external water cooling system of magnetic resonance equipment |
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| Country | Link |
|---|---|
| CN (1) | CN219284089U (en) |
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- 2022-11-22 CN CN202223108519.0U patent/CN219284089U/en active Active
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