CN218884758U - 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
- Publication number
- CN218884758U CN218884758U CN202223108518.6U CN202223108518U CN218884758U CN 218884758 U CN218884758 U CN 218884758U CN 202223108518 U CN202223108518 U CN 202223108518U CN 218884758 U CN218884758 U CN 218884758U
- Authority
- CN
- China
- Prior art keywords
- sprayer
- water
- controller
- sprinkler
- temperature
- 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.)
- Active
Links
Images
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The utility model provides a spray set (100) that is used for outer water-cooling system of magnetic resonance equipment. The spraying device (100) comprises a sprayer (101), a water supply unit (102), a communication pipeline, a temperature sensor (103) and a controller (104), wherein the temperature sensor (103) is used for detecting the temperature of an outlet of an outdoor unit fan and generating a temperature signal; the input end of the controller (104) is electrically connected with the temperature sensor (103), the output end of the controller (104) is electrically connected with the sprayer (101), and the controller (104) is used for receiving a temperature signal from the temperature sensor (103) and controlling the sprayer (101) to be opened and closed according to the temperature signal. According to the scheme, after the outlet temperature of the outdoor unit fan reaches the threshold value, automatic spraying and cooling can be performed on the outdoor unit, and the problem of magnets such as equipment shutdown caused by the heat dissipation problem of the outdoor unit is effectively solved.
Description
Technical Field
The utility model relates to a magnetic resonance equipment technical field, in particular to a spray set that is used for outer water-cooling system of magnetic resonance equipment.
Background
The external water cooling system is an indispensable auxiliary system of the magnetic resonance equipment, and once a fault occurs, the magnetic resonance equipment is stopped, the cold head stops running, and if the fault is not repaired in time, a large amount of liquid helium volatilizes, the magnet quenches, even the magnet becomes hot, and a series of serious conditions such as heat cycle maintenance and the like need to be carried out. And the problem of the external water cooling system is mostly caused by the outdoor unit. The outdoor unit has low heat dissipation efficiency due to factors such as high-temperature hot weather, direct solar radiation, blocked radiating fins, concentrated positions of the outdoor unit of multiple devices, closed and narrow space of the position of the outdoor unit and the like, and the water cooling system starts high-temperature protection to stop the magnetic resonance device, stop the operation of a cold head, volatilize liquid helium, even quench, heat of a magnet and the like, so that huge economic loss is brought.
In the prior art, the environment position of an outdoor unit is mainly changed; increasing the number of outdoor units; arranging a specially-assigned person to regularly wash/clean the radiating fins of the outdoor unit; after the water cooling machine is protected at high temperature, four modes such as tap water circulation and the like are switched to improve the low heat dissipation efficiency of the outdoor unit and reduce the occurrence of subsequent serious problems. However, the above solutions have the disadvantages of extra huge cost, high requirements for the field, and incapability of ensuring normal scanning of the equipment even after switching the tap water circulation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a spray set for outer water cooling system of magnetic resonance equipment in order to overcome the defect that the off-premises station radiating efficiency of the outer water cooling system of magnetic resonance equipment is low among the prior art.
The utility model discloses a following technical scheme realizes above-mentioned technological effect:
a spray assembly for an external water cooling system of a magnetic resonance apparatus, the spray assembly 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 communicating pipeline is connected with the sprayer and the water supply unit;
the temperature sensor is used for detecting the temperature of the outlet of the outdoor unit fan and generating a temperature signal;
the input end of the controller is electrically connected with the temperature sensor, the output end of the controller is electrically connected with the sprayer, and the controller is used for receiving a temperature signal from the temperature sensor and controlling the sprayer to be opened or closed according to the temperature signal.
In the scheme, the controller compares the temperature sensed by the temperature sensor with a preset temperature threshold, and if the temperature exceeds the temperature threshold, the controller controls the sprayer to be opened to spray the outdoor unit; according to the scheme, the outdoor unit can be automatically sprayed and cooled after the temperature of the outlet of the fan of the outdoor unit reaches the threshold value, so that equipment halt and a series of subsequent magnet problems caused by the heat dissipation problem of the outdoor unit are effectively reduced; the scheme is low in cost, intelligent and high in efficiency, is almost suitable for solving the problem of low heat dissipation efficiency of the outdoor unit caused by various factors, and particularly aims at the conditions that the equipment is not used for routing inspection in a long vacation period or an epidemic situation period, or the equipment cannot be 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 quenching, heat cycle maintenance and the like are reduced; in addition, the sprayer can achieve the effects of washing and cleaning the radiating fins of the outdoor unit, improve the radiating efficiency, reduce the maintenance 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 controller controls the opening and closing of the electric valve so as to communicate and close the communicating pipeline and the sprayer.
Preferably, the controller is electrically connected to the electrically operated valve, the controller is powered on to open the electrically operated valve, and the controller is powered off to control the electrically operated valve to close.
Preferably, the spraying device further comprises a power supply electrically connected to the controller to supply power to the controller;
the power supply comprises an electric connector and a waterproof shell, and the waterproof shell is arranged outside the electric connector.
In this scheme, through setting up the buckler, can reduce the short circuit risk that water spattered the socket.
Preferably, the spraying device comprises two sprayers, namely a first sprayer and a second sprayer, and further comprises a three-way joint, wherein the first end of the three-way joint is connected to the communicating pipeline, the second end of the three-way joint is connected to the first sprayer through a first branch pipe, and the third end of the three-way joint is connected to 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, and the influence on the spraying heat dissipation of the outdoor unit is avoided.
Preferably, the spraying device comprises two electric valves which are respectively arranged on the first branch pipe and the second branch pipe;
the controller respectively controls the opening and the closing of the two electric valves according to the temperature signals of the temperature sensor so as to adjust the water spraying amount of the spraying device.
In the scheme, through the arrangement, the spraying device can control two sprayers to be opened according to the temperature of the outdoor unit; one sprayer is open, and the other sprayer is closed; or both sprinklers are opened to change the amount of water sprayed by the sprinklers to make the sprinklers more intelligent. For example, a first temperature threshold and a second temperature threshold are preset, when the temperature reaches the first temperature threshold, the controller controls the first sprayer to be opened, and the second sprayer is kept closed; when the temperature reaches a second temperature threshold, the controller controls the first sprayer and the second sprayer to be opened simultaneously.
Preferably, the spraying device further comprises a timing controller electrically connected to the electrically operated valve, and the timing controller controls the electrically operated valve to open and close according to a preset time interval.
In this scheme, adopt the spraying mode that temperature control and timing control combine together, even in the lower condition of continuous temperature, also can be through regularly spraying in order to realize washing and clean to the off-premises station.
Preferably, the spraying device further comprises a bidirectional flow divider, a first end of the bidirectional flow divider is connected to the water supply unit, a second end of the bidirectional flow divider is connected to the communication pipeline, and a third end of the bidirectional flow divider is connected to a water supplementing pipeline;
wherein, moisturizing pipeline is used for connecting in outer water-cooling system to outside water-cooling system supplies water.
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 plurality of spray holes can be opened and closed in an adjustable manner so as to adjust the water spraying amount of the sprayer.
In this scheme, through the switching of adjusting different orifices, can adjust the water spray volume of whole spray thrower, avoid extravagant 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 also 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, the booster pump is arranged, so that the water pressure can be enhanced under the condition of insufficient water pressure, and the spraying of the sprayer is convenient to realize; the water pressure gauge is used for measuring the water pressure of the water supply unit; through setting up the water purifier, under the relatively poor condition of quality of water, can improve quality of water, improve and spray efficiency.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in: the controller compares the temperature sensed by the temperature sensor with a preset temperature threshold, and if the temperature sensed by the temperature sensor exceeds the preset temperature threshold, the controller controls the sprayer to be opened to spray the outdoor unit; according to the scheme, the outdoor unit can be automatically sprayed and cooled after the temperature of the outlet of the fan of the outdoor unit reaches the threshold value, so that the problems of equipment halt and a series of subsequent magnets caused by the heat dissipation problem of the outdoor unit are effectively reduced; the scheme has low cost, is intelligent and high in efficiency, is almost suitable for solving the problem of low heat dissipation efficiency of the outdoor unit caused by various factors, and particularly aims at the conditions that the equipment is unmanned and patrolled during a long vacation period or an epidemic situation period, or the equipment is not put into use due to certain factors and cannot be monitored daily after being installed and the like; the heat dissipation efficiency of the outdoor unit is improved, and the serious problems of subsequent volatilization of liquid helium, magnet quenching, heat cycle maintenance and the like are reduced; in addition, the sprayer can achieve the effects of washing and cleaning the radiating fins of the outdoor unit, improve the radiating efficiency, reduce the maintenance cost of equipment and reduce unnecessary economic loss.
Drawings
The above and other features and advantages of the present invention will become more apparent to those of ordinary skill in the art by describing in detail embodiments thereof with reference to the attached drawings.
Fig. 1 is a system diagram of a spraying device for an external water cooling system of a magnetic resonance apparatus according to a preferred embodiment of the present invention.
Fig. 2 is a flow chart of the operation of the spraying device for the external water cooling system of the magnetic resonance equipment according to the preferred embodiment of the invention.
Wherein the reference numbers are as follows:
Water purifier 110
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.
In this document, "a" means not only "only one of this but also a case of" more than one ". In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree of importance and order thereof, and the premise that each other exists, and the like.
The utility model provides a spray set 100 for the outer water cooling system of magnetic resonance equipment. The spraying device 100 comprises a sprayer 101, a water supply unit 102, a communication pipeline, a temperature sensor 103 and a controller 104; the sprayer 101 is used for spraying the outdoor unit of the external water cooling system; the water supply unit 102 communicates with the sprayer 101 and supplies a water source to the sprayer 101; the communication pipeline is connected with the sprayer 101 and the water supply unit 102; the temperature sensor 103 is used for detecting the temperature of the outlet of the outdoor unit fan and generating a temperature signal; the input end of the controller 104 is electrically connected to the temperature sensor 103, the output end of the controller 104 is electrically connected to the sprayer 101, and the controller 104 is used for receiving the temperature signal from the temperature sensor 103 and controlling the sprayer 101 to be turned on or turned off according to the temperature signal.
The controller 104 compares the temperature sensed by the temperature sensor 103 with a preset temperature threshold, and if the temperature exceeds the temperature threshold, the controller 104 controls the sprayer 101 to be opened to spray to the outdoor unit. The temperature threshold is a value preset by the operator according to actual conditions. For example, the temperature threshold includes a first threshold of 40 ℃ and a second threshold of 30 ℃, when the temperature sensor 103 detects that the temperature of the outdoor unit heat sink reaches 40 ℃, the temperature signal is transmitted to the controller 104, the controller 104 controls the sprayer 101 to be opened to spray the outdoor unit, the temperature sensor 103 detects that the temperature of the outdoor unit heat sink is reduced to 30 ℃ after spraying, and the controller 104 controls the sprayer 101 to be closed to stop spraying the outdoor unit.
According to the scheme, the outdoor unit can be automatically sprayed and cooled after the temperature of the outlet of the fan of the outdoor unit reaches the threshold value, so that equipment halt 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, is intelligent and high in efficiency, is almost suitable for solving the problem of low heat dissipation efficiency of the outdoor unit caused by various factors, and particularly aims at the conditions that the equipment is unmanned and patrolled during a long vacation period or an epidemic situation period, or the equipment is not put into use due to certain factors and cannot be monitored daily after being installed and the like; 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 shower 101 can perform the effect of washing and cleaning the heat dissipation fins of the outdoor unit, thereby improving the heat dissipation efficiency, reducing the maintenance/repair cost of the equipment, and reducing unnecessary economic loss.
The temperature sensor 103 may specifically 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 104 for controlling spraying can be improved. The water supply unit may be a water tap. The connecting pipeline can be a water supply pipeline such as a plastic water pipe, a metal water pipe and the like.
The spraying device 100 comprises an electric valve 105, the electric valve 105 is arranged on the communicating pipeline, and the controller 104 controls the opening and closing of the electric valve 105 so as to enable the communicating pipeline to be communicated with and closed from the sprayer 101. The controller 104 is electrically connected to the electrically operated valve 105, the controller 104 is energized to open the electrically operated valve 105, and the controller 104 is de-energized to control the electrically operated valve 105 to close. Specifically, the electrically operated valve is an electrically operated ball valve.
The spray device 100 further includes a power source 106, the power source 106 being electrically connected to the controller 104 to supply power to the controller 104; the power supply 106 includes an electrical connector and a waterproof case, and the waterproof case is disposed outside the electrical connector. Through setting up the waterproof cover, can reduce the short circuit risk that water spattered the socket. The waterproof shell is hinged to the electric connector and can be opened by rotating upwards or closed by rotating downwards.
In a preferred embodiment, the spraying device 100 includes two sprayers 101, which are a first sprayer and a second sprayer respectively, the spraying device 100 further includes a three-way joint, a first end of the three-way joint is connected to the communication pipeline, a second end of the three-way joint is connected to the first sprayer through a first branch pipe, and a third end of the three-way joint is connected to the second sprayer through a second branch pipe. Set up two sprayers and spray, increased the area that sprays, improve the radiating effect. In addition, when one sprayer breaks down, the other sprayer can be used as a spare part, and the influence on the spraying heat dissipation of the outdoor unit is avoided. The spraying device 100 comprises two electric valves 105, wherein the two electric valves 105 are respectively arranged on a first branch pipe and a second branch pipe; the controller 104 controls the opening and closing of the two electric valves 105 according to the temperature signal of the temperature sensor 103, respectively, to adjust the amount of water sprayed by the spraying device 100.
In an alternative embodiment, the above effect can also be achieved by directly leading out two communication pipelines from the two water supply units, which are respectively connected with the two sprayers, without adopting a three-way joint.
Through the arrangement, the spraying device 100 can control two of the sprayers 101 to be opened according to the temperature of the outdoor unit; one sprayer 101 is open and the other sprayer 101 is closed; or both sprayers 101 may be opened to vary the amount of water spray and the spray area of the sprayers 101 to make the sprayers 101 more intelligent. For example, a first temperature threshold and a second temperature threshold are preset, and when the temperature reaches the first temperature threshold, the controller 104 controls the first sprayer 101 to be opened, and the second sprayer 101 is kept closed; when the temperature reaches the second temperature threshold, the controller 104 controls the first and second sprayers 101 and 101 to be simultaneously opened.
It should be noted that the number of the sprinklers 101 is not limited to two, and according to actual needs, more sprinklers 101 can be adopted, and accordingly, a plurality of electric valves 105 and multi-way joints can be adopted.
In a preferred embodiment, the spraying device 100 further comprises a timing controller electrically connected to the electric valve 105, and the timing controller controls the electric valve 105 to open and close according to a preset time interval. By adopting a spraying mode combining temperature control and timing control, even under the condition of low continuous temperature, the outdoor unit can be flushed and cleaned by timing spraying.
The spraying device 100 further comprises a bidirectional flow divider 108, wherein a first end of the bidirectional flow divider 108 is connected to the water supply unit 102, a second end of the bidirectional flow divider 108 is connected to the communication pipeline, and a third end of the bidirectional flow divider 108 is connected to the water replenishing pipeline 201; the water supply pipeline 201 is used for connecting to an external water cooling system to supply water to the external water cooling system. The water replenishing pipeline 201 and the spraying device 100 adopt the same water supply unit 102 for supplying water, and the structure is simple and convenient for construction.
The sprayer 101 includes a plurality of spray holes, and the plurality of spray holes can be adjusted to open and close to adjust the amount of water sprayed by the sprayer 101. Through adjusting the switching of different orifices, can adjust the water spray volume and the area that sprays of whole shower 101, avoid extravagant water resource. Specifically, each spray hole is provided with a valve, and the spray holes can be opened and closed by adjusting the opening and closing of the valves. The sprayer 101 is an elongated 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 rotating range of the sprayer 101 can be adjusted, so that the spraying area of the sprayer 101 can be adjusted according to actual needs.
The spraying device 100 further comprises a booster pump 109, and the booster pump 109 is arranged on the communicating pipeline; through setting up booster pump 109, under the not enough condition of water pressure, can strengthen water pressure, be convenient for realize spraying of spray thrower 101. The booster pump 109 may adopt an intelligent variable frequency booster pump 109. The spraying device 100 further comprises a water pressure gauge which is arranged on the communicating pipeline; the water pressure gauge is used to measure the water pressure of the water supply unit 102. The spraying device 100 further comprises a water purifier 110, and the water purifier 110 is arranged on a communication pipeline between the sprayer (101) and the water supply unit 102. Through setting up water purifier 110, under the relatively poor condition of quality of water, can improve quality of water, improve spray efficiency.
Specifically, for a water source with normal water pressure and water quality, the booster pump 109 and the water purifier 110 are not required to be arranged, 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 are required to be arranged on a communicating pipeline; for water sources with normal water pressure and poor water quality, only the water purifier 110 is needed; water source with normal water quality due to insufficient water pressure; only the booster pump 109 needs to be provided on the communication pipe.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention 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 spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A shower device (100) for a water cooling system outside a magnetic resonance apparatus, the shower 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 source of water to the sprayer (101);
a communication pipe connected to the sprayer (101) and the water supply unit (102);
the temperature sensor (103), the said temperature sensor (103) is used for measuring the temperature of the fan outlet of the said outdoor unit, and produce the temperature signal;
the input end of the controller (104) is electrically connected to the temperature sensor (103), the output end of the controller (104) is electrically connected to the sprayer (101), and the controller (104) is used for receiving a temperature signal from the temperature sensor (103) and controlling the sprayer (101) to be opened or closed according to the temperature signal.
2. The spray device (100) of claim 1, wherein the spray device (100) comprises an electrically operated valve (105), the electrically operated valve (105) is disposed on the communication line, and the controller (104) controls the opening and closing of the electrically operated valve (105) to communicate and close the communication line with the sprayer (101).
3. The spray device (100) of claim 2, wherein the controller (104) is electrically connected to the electrically operated valve (105), the controller (104) being energized to open the electrically operated valve (105), the controller (104) being de-energized to control the electrically operated valve (105) to close.
4. The spray device (100) of claim 3, wherein the spray device (100) further comprises a power source (106), the power source (106) being electrically connected to the controller (104) to provide power to the controller (104);
wherein the power source (106) comprises an electrical connector and a waterproof housing disposed outside the electrical connector.
5. The sprinkler (100) according to claim 2, characterized in that the sprinkler (100) comprises two sprinklers (101), respectively a first sprinkler (101) and a second sprinkler (101), the sprinkler (100) further comprising a three-way joint, a first end of which is connected to the communication line, a second end of which is connected to the first sprinkler (101) through a first branch, and a third end of which is connected to the second sprinkler (101) through a second branch.
6. The sprinkler (100) according to claim 5, characterised in that the sprinkler (100) comprises two of the electrically operated valves (105), the two electrically operated valves (105) being arranged on the first and second branch, respectively;
wherein the controller (104) respectively controls the opening and the closing of the two electric valves (105) according to the temperature signal of the temperature sensor (103) so as to adjust the water spraying amount of the spraying device (100).
7. The sprinkler (100) of claim 5, wherein the sprinkler (100) further comprises a timing controller electrically connected to the electrically operated valve (105), the timing controller controlling the opening and closing of the electrically operated valve (105) according to a preset time interval.
8. The sprinkler device (100) according to claim 1, wherein the sprinkler device (100) further comprises a bidirectional flow diverter (108), a first end of the bidirectional flow diverter (108) is connected to the water supply unit (102), a second end of the bidirectional flow diverter (108) is connected to the communication line, and a third end of the bidirectional flow diverter (108) is connected to a water replenishing 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.
9. The spray device (100) of claim 1, wherein said sprayer (101) includes a plurality of spray orifices, the opening and closing of said plurality of spray orifices being adjustable to adjust the amount of water sprayed by said sprayer (101).
10. The sprinkler arrangement (100) according to claim 1, wherein the sprinkler arrangement (100) further comprises a booster pump (109), the booster pump (109) being arranged on the communicating pipe;
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), wherein the water purifier (110) is arranged on the communication pipeline between the sprayer (101) and the water supply unit (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108518.6U CN218884758U (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 |
|---|---|---|---|
| CN202223108518.6U CN218884758U (en) | 2022-11-22 | 2022-11-22 | Spraying device for external water cooling system of magnetic resonance equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218884758U true CN218884758U (en) | 2023-04-18 |
Family
ID=85952049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223108518.6U Active CN218884758U (en) | 2022-11-22 | 2022-11-22 | Spraying device for external water cooling system of magnetic resonance equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218884758U (en) |
-
2022
- 2022-11-22 CN CN202223108518.6U patent/CN218884758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101245938B (en) | Central air conditioning system | |
| CN101280942A (en) | Novel self-supplying power source numerical control energy-saving apparatus | |
| CN218884758U (en) | Spraying device for external water cooling system of magnetic resonance equipment | |
| CN111884092A (en) | Heat dissipation device for power equipment | |
| CN219284089U (en) | Spraying device for external water cooling system of magnetic resonance equipment | |
| CN201858698U (en) | Programmed frequency conversion energy-saving heat exchange station | |
| CN207558545U (en) | A kind of transformer cooling device | |
| CN113198785A (en) | Semiconductor cleaning equipment and cleaning solution distribution mechanism thereof | |
| CN105737666A (en) | Cooling water supply system used for ultrahigh-temperature instant sterilizing machine | |
| CN113219877A (en) | Building equipment strong and weak current integrated monitoring management system | |
| CN204407140U (en) | A kind of power transformer cooling device | |
| CN220541522U (en) | Automatic spraying device for external water cooling system of magnetic resonance equipment | |
| CN207456001U (en) | A kind of technical cooling water system | |
| CN217721805U (en) | Refrigerating system | |
| CN201133703Y (en) | Warm-pressing double-control intelligent atomizing sprinkling system | |
| CN214501385U (en) | Indoor heating device with automatic heat source cutting protection structure | |
| CN205335702U (en) | Intelligence control by temperature change monitoring high voltage power distribution system | |
| CN214611717U (en) | Automatic cooling water quality adjusting device for generator of thermal power plant | |
| CN217005094U (en) | Intelligent water temperature control system of air texturing machine | |
| CN109437506B (en) | Centrifugal dehydration and drying integrated system and rapid cooling method thereof | |
| CN210470110U (en) | High-voltage frequency converter cooling system adopting double cold sources | |
| CN113285633A (en) | Integrated comprehensive controller, control box and control method for sprayer | |
| CN212777909U (en) | Electric boiler convenient for changing power | |
| CN201173535Y (en) | Central air conditioning system | |
| CN207035887U (en) | A kind of UV prints full-automatic energy-saving constant temperature cooler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |