CN115460888A - Flow distribution skeleton based on piezoelectricity drive - Google Patents
Flow distribution skeleton based on piezoelectricity drive Download PDFInfo
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- CN115460888A CN115460888A CN202211205782.3A CN202211205782A CN115460888A CN 115460888 A CN115460888 A CN 115460888A CN 202211205782 A CN202211205782 A CN 202211205782A CN 115460888 A CN115460888 A CN 115460888A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20281—Thermal management, e.g. liquid flow control
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- Microelectronics & Electronic Packaging (AREA)
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Abstract
The invention belongs to the technical field of airborne electronic equipment and discloses a flow distribution framework based on piezoelectric drive.A planar micro-channel is arranged on the lower surface of a flow channel plate component, a main frame component is vertical to the micro-channel and is welded with the flow channel plate component to jointly form a closed micro-channel structure; the main frame component is provided with an installation groove of a piezoelectric precision valve, the piezoelectric precision valve is arranged in the installation groove of the piezoelectric precision valve, a liquid inlet and a liquid outlet of the piezoelectric precision valve are respectively connected into a micro-channel structure, and the flow of cooling liquid flowing through the piezoelectric precision valve is controlled; a circuit board assembly is arranged below the main frame assembly and used for controlling the piezoelectric precision valve, and an external connector assembly is arranged at the same time; the bottom cover plate assembly is installed below the circuit board assembly, two ends of a diagonal line on the bottom cover plate assembly are respectively provided with an external liquid cooling interface, the runner plate assembly is provided with a plurality of internal liquid cooling interfaces, one end of each internal liquid cooling interface is communicated with the plane micro-runner, and the other end of each internal liquid cooling interface is connected with the heat dissipation structure of the antenna subarray.
Description
Technical Field
The invention belongs to the technical field of airborne electronic equipment, intelligent skin antennas and micro-channel heat dissipation, and particularly relates to a flow distribution framework based on piezoelectric driving.
Background
The skin antenna technology is an airborne antenna technology which is greatly developed abroad in recent years, and is also called a bearing conformal antenna technology. The skin antenna subarray bears carriers of electronic components such as an antenna module, a high-voltage power supply, a TR component and various connectors, and is high in heat dissipation requirement and large in size restriction. Therefore, a passive flow distribution method is often adopted for a general skin antenna, the flexibility is low, and the adjustability of flow distribution along with the function change of different array surfaces of the antenna is not provided.
Disclosure of Invention
The invention aims to provide a flow distribution framework based on piezoelectric drive, which realizes active flow distribution by installing a precision flow valve based on piezoelectric drive by utilizing a secondary framework structure of a skin antenna system, can fully utilize the characteristics of small size, high precision and quick response of a piezoelectric drive device, realizes electric control flow distribution and control in a limited space, can adjust a distribution strategy of cooling liquid in real time according to the heat consumption working condition of an actual skin antenna subarray, improves the heat dissipation rationality and cooling efficiency of a product, and promotes the further development and more engineering application of an airborne intelligent skin technology.
The technical scheme of the invention is as follows:
a piezo-electric drive based flow distribution skeleton comprising: the flow passage plate assembly, the main frame assembly, the circuit board assembly, the bottom cover plate assembly and the piezoelectric precision valve are arranged on the main frame assembly;
the lower surface of the runner plate component is provided with a plane micro-channel, the main frame component is provided with a vertical micro-channel, the main frame component and the runner plate component are welded together, one end of the vertical micro-channel is communicated with the mounting groove of the liquid cooling interface on the main frame component, the other end of the vertical micro-channel is communicated with the plane micro-channel, and a closed micro-channel structure is formed by the plane micro-channel and the vertical micro-channel;
the main frame component is provided with a piezoelectric precision valve mounting groove, the piezoelectric precision valve is arranged in the piezoelectric precision valve mounting groove, a liquid inlet and a liquid outlet of the piezoelectric precision valve are respectively connected into a micro-channel structure, and the flow of cooling liquid flowing through the piezoelectric precision valve is controlled;
a circuit board assembly is arranged below the main frame assembly, the circuit board assembly is used for controlling the piezoelectric precision valve, and an external connector assembly is arranged at the same time;
the bottom cover plate assembly is arranged below the circuit board assembly, two external liquid cooling interfaces are respectively arranged at two ends of the diagonal line of the bottom cover plate assembly, one end of each external liquid cooling interface is communicated with the vertical micro channel of the main frame assembly, and the other end of each external liquid cooling interface is connected with the airborne liquid supply pipeline;
the runner plate component is provided with a plurality of internal liquid cooling interfaces, one end of each internal liquid cooling interface is communicated with the plane micro channel, and the other end of each internal liquid cooling interface is connected with the liquid cooling interface of the antenna subarray.
Further, the piezoelectric precision valve includes: the device comprises a shell, a throttle valve core, a spring, a push rod, a lever, a lead screw, a metal substrate and a piezoelectric ceramic piece;
the shell is provided with a long cylindrical cavity and a short cylindrical cavity, and the bottoms of the two cylindrical cavities are communicated;
a push rod is arranged at the bottom of the long cylindrical cavity, a throttling valve core is connected above the push rod, and a spring is arranged between the throttling valve core and the top of the long cylindrical cavity;
a metal matrix is arranged in the short cylindrical cavity, a screw rod is arranged in the metal matrix, and the lower end of the screw rod is connected with the lower end of the push rod through a lever; the lead screw is in threaded connection with the rectangular metal base, two groups of piezoelectric ceramic pieces are arranged on four side faces of the rectangular metal base respectively, and the two groups of piezoelectric ceramic pieces are connected with the circuit board assembly through leads respectively;
the two groups of piezoelectric ceramic pieces drive the screw rod to do reciprocating linear motion, and the screw rod drives the push rod to move after being amplified by the lever, the push rod drives the throttling valve core to overcome the elastic force of the spring to move, and the flow between the liquid inlet and the liquid outlet is adjusted, so that the flow of the micro-flow channel passing through the precision piezoelectric valve is adjusted.
Furthermore, the two groups of piezoelectric ceramic pieces have the same polarization direction respectively, and sinusoidal voltage signals with the phase difference of 90 degrees are applied to the two groups of piezoelectric ceramic pieces respectively.
Further, the micro flow channel structure is divided into two parts, namely a cooling liquid flow dividing part and a cooling liquid converging part;
the cooling liquid shunting part is connected with an external liquid cooling interface liquid inlet and N internal liquid cooling interface liquid outlets;
the cooling liquid confluence part is connected with an external liquid cooling interface liquid outlet and N internal liquid cooling interface liquid inlets;
after cooling liquid enters the cooling liquid inlet part from the external liquid cooling interface liquid inlet, the cooling liquid respectively flows to the N antenna subarrays from the N internal liquid cooling interface liquid outlets, and the N antenna subarrays are subjected to heat dissipation by the heat dissipation structure; then the liquid flows into the cooling liquid converging part through N inner liquid cooling interface liquid inlets, and then the liquid flows out through the outer liquid cooling interface liquid outlets in a converging mode.
Further, N is the number of antenna subarrays.
Furthermore, the number of the piezoelectric precision valves is 2N, and each internal liquid cooling interface liquid inlet and each internal liquid cooling interface liquid outlet are matched with one piezoelectric precision valve; the flow of the cooling liquid flowing through the liquid inlet of the internal liquid cooling interface and the liquid outlet of the internal liquid cooling interface is controlled by the piezoelectric precision valve.
Further, N =2m, m is a positive integer.
Further, cooling liquid flows into the cooling liquid shunting part from the external liquid cooling interface liquid inlet, and flows to the first pair of internal liquid cooling interface liquid outlets and the second pair of internal liquid cooling interface liquid outlets from the first piezoelectric precision valve and the second piezoelectric precision valve respectively after being shunted for the first time;
the liquid outlets of the second pair of inner liquid cooling interfaces directly flow out to radiate a second antenna subarray;
the cooling liquid at the liquid outlets of the first pair of inner liquid cooling interfaces undergoes second shunting, one part of the cooling liquid directly flows out of the liquid outlets of the first pair of inner liquid cooling interfaces to radiate heat of the first antenna subarray, and the other part of the cooling liquid flows to the third shunting port;
after being shunted by the third shunt opening, the liquid flows to a third inner pair of liquid cooling interface liquid outlet and a fourth inner pair of liquid cooling interface liquid outlet through a third piezoelectric precision valve and a fourth piezoelectric precision valve;
a liquid outlet of the fourth inner liquid cooling interface directly flows out to radiate a fourth antenna subarray;
and the third internal liquid cooling interface liquid outlet cooling liquid is shunted for the fourth time according to the first internal liquid cooling interface liquid outlet until all internal liquid cooling interface liquid outlets are traversed.
Advantageous effects
Compared with the prior art, the piezoelectric-drive-based flow distribution framework has the advantages that the piezoelectric-drive-based precision flow valve is installed by utilizing the secondary framework structure of the skin antenna system to realize active flow distribution, the characteristics of small size, high precision and quick response of the piezoelectric drive device can be fully utilized, electric-control flow distribution and control can be realized in a limited space, the distribution strategy of cooling liquid can be adjusted in real time according to the heat consumption working condition of the actual skin antenna subarray, the heat dissipation rationality and the cooling efficiency of a product are improved, and the further development and more engineering application of an airborne intelligent skin technology are promoted. Therefore, the technical scheme of the invention is generally suitable for the skin antenna system of a new-generation aircraft, and has a non-negligible economic value.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described 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 that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a skin antenna system of the present invention;
FIG. 2 is a schematic diagram of the structure of the flow distribution backbone of the present invention;
FIG. 3 is a schematic diagram of the construction of a piezoelectric precision valve of the present invention;
FIG. 4 is a schematic diagram of the routing of the coolant flow channels of the present invention;
fig. 5 is a schematic diagram of the operation of the piezoelectric precision valve of the present invention.
The antenna array comprises a 1-4 multiplied by 4 skin antenna subarray, a 2-flow distribution framework, a 3-internal liquid cooling interface, a 4-flow channel plate component, a 5-main frame component, a 6-piezoelectric precision valve, a 7-circuit board component, an 8-bottom cover plate component, a 9-external liquid cooling interface, a 10-external connector component, an 11-upper cover, a 12-spring, a 13-sealing ring, a 14-throttling valve core, a 15-shell, a 16-outlet metal rubber, a 17-push rod, an 18-lower cover, a 19-lever amplification mechanism, a 20-lead screw, a 21-piezoelectric ceramic plate, a 22-metal substrate, a 23-lead, a 24-inlet metal rubber, a 25-vertical flow channel and a 26-horizontal flow channel.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is given.
Fig. 1 is a schematic structural diagram of a skin antenna system according to the present invention. The piezoelectric drive-based flow distribution framework can be provided with at most four antenna sub-arrays and can provide liquid cooling liquid for heat dissipation.
Fig. 2 is a schematic structural diagram of a flow distribution skeleton of the skin antenna system according to the present invention. The piezoelectric drive-based flow distribution framework embodying the present invention comprises a flow passage cold plate assembly 4, a main frame assembly 5, a bottom cover plate assembly 8, a circuit board assembly 7, a pair of external connector assemblies 10, a pair of external liquid cooling interfaces 9, four pairs of internal liquid cooling interfaces 3 and four pairs of piezoelectric precision valves 6.
Fig. 4 is a schematic diagram of a cooling channel according to the present invention. The liquid cooling interfaces are all arranged on a main frame component, the main frame component is provided with vertical micro-channels, four groups of plane micro-channel structures are processed on the inner side of the runner plate component, the main frame component is connected with the runner plate component through vacuum brazing, one end of each vertical micro-channel is communicated with the plane micro-channels, one section of each vertical micro-channel is communicated with the liquid cooling interface, and the vertical micro-channels and the plane micro-channels jointly form a closed micro-channel structure. The four pairs of piezoelectric precision valves are arranged in the main frame assembly, and liquid inlets and liquid outlets of the four pairs of piezoelectric precision valves are connected into the plane micro-channels of the flow channel plate assembly and are used for controlling the flow of cooling liquid of the micro-channels. Therefore, the flow distribution function of four different skin antenna sub-arrays is realized. Therefore, the cooling liquid enters from the external liquid inlet, flows through the vertical micro-channel, the plane micro-channel and the piezoelectric precision valve in a shunting manner respectively, flows to the four internal liquid outlets, enters the four different skin antenna sub-arrays for liquid cooling heat dissipation, returns from the corresponding four internal liquid inlets respectively, flows through the piezoelectric precision valve, the plane micro-channel and the vertical micro-channel again, and finally converges to the external liquid outlet.
According to the main characteristics, the flow distribution framework is provided with a pair of external liquid cooling interfaces and four pairs of internal liquid cooling interfaces. One of the pair of external liquid cooling interfaces is a liquid inlet, and the other is a liquid outlet. The four pairs of internal liquid cooling interfaces are uniformly distributed at diagonal positions of the four rectangular sub-arrays, two liquid cooling interfaces are distributed in each sub-array area, one liquid inlet is arranged at one position, and the other liquid outlet is arranged at the other position. The cooling liquid firstly enters a vertical micro-channel in the main frame component from an external liquid inlet, then flows through a plane micro-channel machined on the flow channel plate component, and is respectively converged to a first liquid outlet and a second liquid outlet which are internally arranged after being divided for the first time through a first piezoelectric precision valve and a second piezoelectric precision valve. The flow of the first liquid outlet in the pair is divided for the second time, flows to the first submatrix and the third flow dividing port respectively, is divided by the third flow dividing port, and then is converged to the third liquid outlet and the fourth liquid outlet in the pair respectively after passing through the third piezoelectric valve and the fourth piezoelectric valve respectively. Finally, the flow reaching the inner liquid outlet is converged into the corresponding inner liquid inlet after passing through the antenna subarray, and is finally converged into the outer liquid outlet to flow out after correspondingly passing through the piezoelectric precision valve and the confluence port again.
Fig. 3 is a schematic structural diagram of a piezoelectric precision valve according to the present invention. The piezoelectric precision valve comprises an upper cover, a spring, two sealing rings, a throttle valve core, a shell, an outlet metal rubber, an inlet metal rubber, a push rod, a lower cover, a lever amplifying mechanism, a lead screw, two groups of piezoelectric ceramic plates, an alloy substrate and four groups of leads. Sinusoidal alternating current with specific frequency is applied to the two groups of piezoelectric ceramic plates, the piezoelectric ceramic plates are excited to resonate according to the inverse piezoelectric effect, the alloy machine body is promoted to generate tiny reciprocating oscillating motion, so that reciprocating linear motion of the screw rod is realized, the push rod is driven by the lever amplification mechanism, the displacement is transmitted to the throttle valve core, the elastic force of the spring is overcome or released, and therefore the throttle opening is opened or closed, and the purposes of controlling the flow of cooling liquid on the micro-channel and realizing flow distribution are achieved.
Fig. 5 is a schematic diagram illustrating the operation of the piezoelectric precision valve according to the present invention. The two groups of piezoelectric ceramic sheet groups have the same polarization directions respectively, sinusoidal voltage signals with the phase difference of 90 degrees are applied to the piezoelectric ceramic sheet groups respectively, and the alloy matrix generates torsional motion relative to the axis of the alloy matrix under specific voltage frequency, so that the alloy matrix generates directional rotary linear motion through a screw rod in threaded fit with the interior of the metal matrix. When the phase difference of the applied sinusoidal voltage signals is-90 degrees, the screw rod generates the rotary linear motion in the opposite direction. The lever amplifying mechanism transmits the rotary linear motion of the screw rod to the push rod and further to the throttling valve core, so that the opening or closing degree of the throttling port is controlled, the electric signal control of the flow rate of the cooling liquid in the micro-channel is realized, and the purpose of flow distribution is achieved.
Compared with the prior art, the piezoelectric-drive-based flow distribution framework and the working mode thereof are implemented, the piezoelectric-drive-based precision flow valve is installed by utilizing the secondary framework structure of the skin antenna system to realize active flow distribution, the characteristics of small size, high precision and quick response of the piezoelectric drive device can be fully utilized, electric-control flow distribution and control can be realized in a limited space, the distribution strategy of cooling liquid can be adjusted in real time according to the heat consumption working condition of the actual skin antenna subarray, the heat dissipation rationality and the cooling efficiency of a product are improved, and the further development and more engineering applications of the airborne intelligent skin technology are promoted. Therefore, the technical scheme of the invention is generally suitable for the use of the skin antenna system of the new-generation aircraft, and has non-negligible economic value.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A flow distribution skeleton based on piezoelectricity drive which characterized in that: the skeleton includes: the flow passage plate assembly, the main frame assembly, the circuit board assembly, the bottom cover plate assembly and the piezoelectric precision valve are arranged on the main frame assembly;
the lower surface of the flow channel plate component is provided with a plane micro-channel, the main frame component is provided with a vertical micro-channel, the main frame component and the flow channel plate component are welded together, and a closed micro-channel structure is formed by the plane micro-channel and the vertical micro-channel;
the main frame component is provided with a piezoelectric precision valve mounting groove, the piezoelectric precision valve is arranged in the piezoelectric precision valve mounting groove, a liquid inlet and a liquid outlet of the piezoelectric precision valve are respectively connected into the micro-channel structure, and the flow of cooling liquid flowing through the piezoelectric precision valve is controlled;
a circuit board assembly is arranged below the main frame assembly and used for controlling the piezoelectric precision valve;
the bottom cover plate assembly is arranged below the circuit board assembly, two external liquid cooling interfaces are respectively arranged at two ends of the diagonal line of the bottom cover plate assembly, one end of each external liquid cooling interface is communicated with the vertical micro channel of the main frame assembly, and the other end of each external liquid cooling interface is connected with a cooling liquid input pipe;
the runner plate component is provided with a plurality of internal liquid cooling interfaces, one end of each internal liquid cooling interface is communicated with the planar micro-channel, and the other end of each internal liquid cooling interface is connected with the liquid cooling interface of the antenna subarray.
2. The flow distribution skeleton of claim 1, wherein: the piezoelectric precision valve includes: the device comprises a shell, a throttle valve core, a spring, a push rod, a lever, a screw rod, a metal matrix and a piezoelectric ceramic piece;
the shell is provided with a long cylindrical cavity and a short cylindrical cavity, and the bottoms of the two cylindrical cavities are communicated;
a push rod is arranged at the bottom of the long cylindrical cavity, a throttling valve core is connected above the push rod, and a spring is arranged between the throttling valve core and the top of the long cylindrical cavity;
a metal matrix is arranged in the short cylindrical cavity, a lead screw is arranged in the metal matrix, and the lower end of the lead screw is connected with the lower end of a push rod through a lever; the lead screw is in threaded connection with the rectangular metal base, two groups of piezoelectric ceramic pieces are arranged on four side faces of the rectangular metal base respectively, and the two groups of piezoelectric ceramic pieces are connected with the circuit board assembly through leads respectively;
the two groups of piezoelectric ceramic pieces drive the screw rod to do reciprocating linear motion, and the lever is used for amplifying and then driving the push rod to do motion, the push rod drives the throttling valve core to overcome the elastic force of the spring to do motion, and the flow between the liquid inlet and the liquid outlet is adjusted, so that the flow of the micro-flow channel passing through the precise piezoelectric valve is adjusted.
3. A flow distribution skeleton according to claim 2, wherein: the two groups of piezoelectric ceramic pieces have the same polarization direction respectively, and sinusoidal voltage signals with the phase difference of 90 degrees are applied to the two groups of piezoelectric ceramic pieces respectively.
4. A flow distribution skeleton according to claim 1, wherein: the micro-channel structure is divided into two parts, namely a cooling liquid shunting part and a cooling liquid converging part;
the cooling liquid shunting part is connected with an external liquid cooling interface liquid inlet and N internal liquid cooling interface liquid outlets;
the cooling liquid converging part is connected with one external liquid cooling interface liquid outlet and N internal liquid cooling interface liquid inlets;
after entering the cooling liquid inlet part from the external liquid cooling interface liquid inlet, the cooling liquid respectively flows to the heat dissipation structures of the N antenna subarrays from the N internal liquid cooling interface liquid outlets to dissipate heat of the antenna subarrays; then the liquid flows into the cooling liquid converging part through N inner liquid cooling interface liquid inlets, and then the liquid flows out through the outer liquid cooling interface liquid outlets in a converging mode.
5. The flow distribution skeleton of claim 4, wherein: and N is the number of antenna subarrays.
6. The flow distribution skeleton of claim 4, wherein: the number of the piezoelectric precision valves is 2N, and each internal liquid cooling interface liquid inlet and each internal liquid cooling interface liquid outlet are matched with one piezoelectric precision valve; the flow of the cooling liquid flowing through the liquid inlet of the internal liquid cooling interface and the liquid outlet of the internal liquid cooling interface is controlled by a piezoelectric precision valve.
7. The flow distribution skeleton of claim 6, wherein: n =2m, m being a positive integer.
8. The flow distribution skeleton of claim 6, wherein: the cooling liquid flows into the cooling liquid shunting part from the external liquid cooling interface liquid inlet, and flows to the first pair of internal liquid cooling interface liquid outlets and the second pair of internal liquid cooling interface liquid outlets from the first piezoelectric precision valve and the second piezoelectric precision valve after being shunted for the first time;
the liquid outlets of the second pair of inner liquid cooling interfaces directly flow out to radiate a second antenna subarray;
the cooling liquid at the liquid outlets of the first pair of inner liquid cooling interfaces undergoes second shunting, one part of the cooling liquid directly flows out of the liquid outlets of the first pair of inner liquid cooling interfaces to radiate heat of the first antenna subarray, and the other part of the cooling liquid flows to the third shunting port;
after being shunted at the third shunt opening, the current flows to a third internal liquid cooling interface liquid outlet and a fourth internal liquid cooling interface liquid outlet through a third piezoelectric precision valve and a fourth piezoelectric precision valve;
a liquid outlet of the fourth inner liquid cooling interface directly flows out to radiate a fourth antenna subarray;
and the third internal liquid cooling interface liquid outlet cooling liquid is shunted for the fourth time according to the first internal liquid cooling interface liquid outlet until all internal liquid cooling interface liquid outlets are traversed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205782.3A CN115460888A (en) | 2022-09-30 | 2022-09-30 | Flow distribution skeleton based on piezoelectricity drive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205782.3A CN115460888A (en) | 2022-09-30 | 2022-09-30 | Flow distribution skeleton based on piezoelectricity drive |
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| CN115460888A true CN115460888A (en) | 2022-12-09 |
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| CN202211205782.3A Pending CN115460888A (en) | 2022-09-30 | 2022-09-30 | Flow distribution skeleton based on piezoelectricity drive |
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- 2022-09-30 CN CN202211205782.3A patent/CN115460888A/en active Pending
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