CN115915680B - Packaging structure of portable target detection radar system - Google Patents

Abstract

The invention discloses a packaging structure of a portable target detection radar system, which relates to the technical field of radar system packaging and comprises a packaging module and a buffer module, wherein the packaging module comprises an inner shell, an inner cover plate, an outer shell and an outer cover plate, the inner shell is fixedly connected with the inner cover plate, a first accommodating cavity is formed inside the inner shell and the inner cover plate, the outer shell is fixedly connected with the outer cover plate, a filling hole is formed in the outer cover plate, and a second accommodating cavity is formed inside the outer shell and the outer cover plate. And the first spring plays a buffering role in the process that the movable pipe is retracted into the fixed pipe, so that the buffering effect is improved, the expansion and contraction of the fixed pipe and the movable pipe can further play a role in buffering impact force, the buffering effect is improved, the millimeter wave chip or the antenna in the first accommodating cavity is prevented from being impacted strongly, and the electronic element is prevented from being damaged by impact due to the strong impact, so that the service life of the electronic element is prolonged.

Description

Packaging structure of portable target detection radar system

Technical Field

The invention relates to the technical field of radar system packaging, in particular to a packaging structure of a portable target detection radar system.

Background

Along with the rapid development of the informatization technology, multiple radars can be used for collaborative starting detection of the radars in a working environment, such as early warning, identification, positioning, communication and the like, the vehicle-mounted radars are used for detecting objects in a fixed range, then the detected results are transmitted to a central control system through a transmission line, when other vehicles or people approach to the my vehicles or the my vehicles approach to obstacles, the radars judge the positions of the objects, and sound is generated after the distance approaches to a certain distance, so that a driver is reminded. The working wavelength of the existing millimeter wave radar reaches millimeter level, and the millimeter wave radar provides possibility for integration of a millimeter wave chip and an antenna. The antenna is integrated inside the packaging structure of the chip by the packaging technology, so that the size, the volume and the cost of the antenna can be well compatible, a good integration scheme is provided for radar system packaging, the existing radar packaging of the antenna integration scheme often adopts single-chip packaging, and the receiving and transmitting channels of the chip are connected with a dipole antenna to receive and transmit millimeter waves.

At present, when a vehicle passes through a steep or bumpy road surface, a tire is contacted with the vehicle to generate vibration and is transmitted to the vehicle, and a radar system installed in the vehicle is simultaneously subjected to vibration and transmission to perform strong impact on a millimeter wave chip or an antenna in the packaging structure, so that internal electronic elements are damaged due to impact, the service life of the electronic elements is influenced, and long-term use is not facilitated.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: when the vehicle passes through a steep or bumpy road surface, the tire is contacted with the vehicle to generate vibration and is transmitted to the vehicle, and the radar system installed in the vehicle is simultaneously subjected to vibration and transmission to perform strong impact on the millimeter wave chip or the antenna inside the packaging structure, so that the electronic element inside the packaging structure is damaged by impact, the service life of the electronic element is influenced, and long-term use is not facilitated.

In order to solve the technical problems, the invention provides the following technical scheme: the packaging structure of the portable target detection radar system comprises a packaging module and a buffer module, wherein the packaging module comprises an inner shell, an inner cover plate, an outer shell and an outer cover plate, the inner shell is fixedly connected with the inner cover plate, a first accommodating cavity is formed inside the inner shell and the inner cover plate, the outer shell is fixedly connected with the outer cover plate, a filling hole is formed in the outer cover plate, a second accommodating cavity is formed inside the outer shell and the outer cover plate, the inner shell and the inner cover plate are arranged inside the second accommodating cavity, and a gap is reserved between the outer walls of the inner shell and the inner cover plate and the inner walls of the outer shell and the outer cover plate; the buffer module comprises fixed pipes, movable pipes and cooling liquid, wherein the fixed pipes are provided with more than two groups, the movable pipes are arranged corresponding to the fixed pipes, one ends of the fixed pipes are fixedly connected with the outer wall of the inner shell or the inner cover plate, the other ends of the fixed pipes are slidably connected with the inner wall of one end of the movable pipe, the movable pipe is provided with a flow hole, the other ends of the movable pipes are slidably connected with the inner wall of the outer shell or the outer cover plate, and the second accommodating cavity is filled with the cooling liquid.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the buffer module further comprises a first spring, wherein the first spring is arranged inside the fixed pipe, and one end of the fixed pipe is fixedly connected with the outer wall of the inner shell or the inner cover plate.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the sealing device comprises a protective cover, and is characterized by further comprising a sealing module, wherein the sealing module comprises a first fixed ring, a first hose, a fixed barrel, a sealing cover and the protective cover, the first fixed ring is fixedly connected with the inner shell, the first fixed ring is fixedly connected with one end of the first hose, the other end of the first hose is fixedly connected with the fixed barrel, the inner wall of the fixed barrel is slidably connected with the sealing cover, the outer wall of the fixed barrel is fixedly connected with the outer shell, and the fixed barrel is in threaded connection with the inner wall of the protective cover.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the sealing cover is provided with a first sealing ring which is connected with the inner wall of the fixed cylinder in a sliding way.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the sealing module further comprises an inner pipe and an inner rod, the outer wall of the inner pipe is fixedly connected with the fixing cylinder, the inner wall of the inner pipe is slidably connected with the inner rod, and the inner rod is fixedly connected with the sealing cover.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the inner wall of the inner tube is provided with a second sealing ring, and the inner wall of the second sealing ring is connected with the inner rod in a sliding way.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the sealing module further comprises a triggering unit, the triggering unit comprises a second spring and a supporting rod, the second spring is fixedly connected with the fixed cylinder, the supporting rod is fixedly connected with the sealing cover, the supporting rod is arranged corresponding to the position of the second spring, and the radial size of the supporting rod is smaller than the inner diameter of the second spring.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the sealing module further comprises an alarm unit, wherein the alarm unit comprises a first contact piece, a second contact piece, a light-emitting diode and a battery, the first contact piece is fixedly connected with a sealing cover, the second contact piece is fixedly connected with a protective cover, and the first contact piece, the second contact piece, the light-emitting diode and the battery are connected in series.

As a preferred embodiment of the packaging structure of the portable object detection radar system of the present invention, the packaging structure comprises: the sealing device comprises a control tube, a third spring, a piston head and an air needle, wherein the outer wall of the control tube is fixedly connected with a sealing cover and an inner rod, the control tube is hollow, a first through hole and a second through hole are formed in the control tube, the inner wall of the control tube is slidably connected with the piston head, the piston head is fixedly connected with one end of the third spring, the other end of the third spring is fixedly connected with the inner wall of the control tube, the air needle is slidably connected with the second through hole, a third sealing ring is arranged on the inner wall of the second through hole, and a third through hole is formed in the air needle.

The invention has the beneficial effects that: 1. according to the invention, after the movable outer shell and the outer cover plate are impacted, impact force is conducted onto the inner shell and the inner cover plate from the outer shell and the outer cover plate through cooling liquid, the conducting path is from solid to liquid and then to solid, the cooling liquid separates the inner shell and the inner cover plate from the outer shell and the outer cover plate, the buffering and damping effects can be provided, when the impact force acts on the outer shell and the outer cover plate from the outer side of the outer shell and the outer cover plate, the outer shell and the outer cover plate move along the direction of the force, the inner shell and the inner cover plate keep the original positions due to inertia, the fixed tube and the movable tube at the left side of the inner shell are compressed, the movable tube is retracted into the fixed tube, the cooling liquid inside the fixed tube and the movable tube flows out into the second accommodating cavity through the through hole, the radial dimension of the through hole can limit the flow rate of the cooling liquid, namely, the first spring plays a role in buffering effect in the process of retracting the fixed tube, the movable tube is beneficial to improving the buffering effect, the telescopic effect of the fixed tube and the movable tube can further play a role in buffering impact effect, the effect is improved, the strong impact effect is improved, the first millimeter wave is prevented from being influenced by the impact element, and the impact effect of the electronic chip is prevented from being influenced by the impact element.

2. The cooling liquid can provide cooling effect for the components in the first accommodating cavity, so that the components in the first accommodating cavity are prevented from being damaged due to overhigh temperature during operation.

3. The alarm unit can play a role in early warning, and reminds a user of checking, repairing or replacing the first accommodating cavity to ensure the protection effect on components in the first accommodating cavity.

Drawings

Fig. 1 is a schematic diagram of an overall structure in an embodiment of the present disclosure.

Fig. 2 is a cross-sectional view of a package module and a buffer module in an embodiment of the present disclosure.

FIG. 3 is a cross-sectional view of a buffer module in an embodiment of the present disclosure.

Fig. 4 is a schematic structural view of a seal module in an embodiment of the present disclosure.

Fig. 5 is a schematic diagram of an alarm unit in an embodiment of the disclosure.

Fig. 6 is a schematic diagram of an assembled seal module in an embodiment of the present disclosure.

Fig. 7 is a schematic view of a closed module structure in an embodiment of the disclosure.

Fig. 8 is a schematic diagram of a closed module in an embodiment of the disclosure when extracting gas.

Reference numerals: the packaging module 100, the inner case 101, the first accommodation chamber 101a, the inner cover plate 102, the outer case 103, the second accommodation chamber 103a, the outer cover plate 104, the filling hole 104a, the buffer module 200, the fixed tube 201, the movable tube 202, the circulation hole 202a, the cooling liquid 203, the first spring 204, the sealing module 300, the first fixing ring 301, the first hose 302, the fixing tube 303, the sealing cover 304, the first sealing ring 304a, the protective cover 305, the inner tube 306, the second sealing ring 306a, the inner rod 307, the triggering unit 308, the second spring 308a, the supporting rod 308b, the alarm unit 309, the first contact piece 309a, the second contact piece 309b, the light emitting diode 309c, the battery 309d, the sealing module 400, the control tube 401, the first through hole 401a, the second through hole 401b, the third sealing ring 401b-1, the third spring piston heads 402, 403, the air needle 404, and the third through hole 404a.

Description of the embodiments

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Examples

Referring to fig. 1 and 2, this embodiment provides a packaging structure of a portable object detection radar system, which includes a packaging module 100 and a buffer module 200, the packaging module 100 includes an inner case 101, an inner cover plate 102, an outer case 103 and an outer cover plate 104, the inner case 101 is fixedly connected with the inner cover plate 102, a first accommodating cavity 101a is formed inside the inner case 101 and the inner cover plate 102, the outer case 103 is fixedly connected with the outer cover plate 104, a filling hole 104a is provided on the outer cover plate 104, a second accommodating cavity 103a is formed inside the outer case 103 and the outer cover plate 104, the inner case 101 and the inner cover plate 102 are disposed inside the second accommodating cavity 103a, and a gap is left between the outer walls of the inner case 101 and the inner cover plate 102 and the inner walls of the outer case 103 and the outer cover plate 104.

In this embodiment, it is preferable that the existing millimeter wave chip, the end-fire antenna and the related driving control circuit may be welded inside the inner case 101 and the inner cover plate 102 to form the first accommodating cavity 101a, the inner case 101 and the inner cover plate 102 may provide protection for the components inside the first accommodating cavity 101a, and then the inner case 101 and the inner cover plate 102 may be placed inside the second accommodating cavity 103a, and the outer case 103 and the outer cover plate 104 may protect the inner case 101 and the inner cover plate 102, thereby being beneficial to improving the protection effect through the double-layer protection structure.

The buffer module 200 comprises a fixed pipe 201, a movable pipe 202 and cooling liquid 203, wherein more than two groups of fixed pipes 201 are arranged, the movable pipe 202 is arranged corresponding to the fixed pipe 201, one end of the fixed pipe 201 is fixedly connected with the outer wall of the inner shell 101 or the inner cover plate 102, the other end of the fixed pipe 201 is slidably connected with the inner wall of one end of the movable pipe 202, a flow hole 202a is formed in the movable pipe 202, the other end of the movable pipe 202 is slidably connected with the inner wall of the outer shell 103 or the outer cover plate 104, and the cooling liquid 203 is filled in the second accommodating cavity 103 a.

In this embodiment, preferably, the cooling liquid 203 is filled between the outer walls of the inner housing 101 and the inner cover plate 102 and the inner walls of the outer housing 103 and the outer cover plate 104, and the cooling liquid 203 can provide a cooling effect for the components inside the first accommodating cavity 101a, so as to prevent the components inside the first accommodating cavity 101a from being damaged due to too high temperature during operation, and also can provide cooling fins on the outer housing 103 and the outer cover plate 104, so that the heat dissipation capability is further improved. The coolant 203 inside the second accommodation chamber 103a can enter or leave the inside of the stationary pipe 201 and the movable pipe 202 through the communication hole 202 a.

During use, when a vehicle passes through a steep or bumpy road surface, after the outer shell 103 and the outer cover 104 are impacted, the impact force is required to pass through the cooling liquid 203 from the outer shell 103 and the outer cover 104 and then is conducted to the inner shell 101 and the inner cover 102, the conducting path is from solid to liquid and then to solid, the cooling liquid 203 separates the inner shell 101 and the inner cover 102 from the outer shell 103 and the outer cover 104, the damping and vibration reducing effects can be provided, when the impact force acts on the outer shell 103 and the outer cover 104 from the outer shell 103 from the outer side in fig. 2, the outer shell 103 and the outer cover 104 can move rightwards, the inner shell 101 and the inner cover 102 can maintain the original positions due to inertia, the fixed tube 201 and the movable tube 202 on the left side of the inner shell 101 are compressed, the movable tube 202 is retracted into the fixed tube 201, the cooling liquid 203 inside the fixed tube 201 and the movable tube 202 flows out to the inside of the second accommodating cavity 103a through the circulating holes 202a, the radial size of the circulating holes 202a can limit the cooling liquid 203, the flowing speed of the cooling liquid 203 can be reduced, the inner tube 202 is retracted into the fixed tube 201 and the movable tube 202a is further influenced by the damping and the inner tube 101, the electronic tube is further influenced by the damping and vibration reducing effects can be further prolonged, and the electronic tube is prevented from being influenced by the impact force in the inner shell 101 and the inner shell 101.

Examples

Referring to fig. 1 to 8, this embodiment is based on the previous embodiment, and differs from the previous embodiment in that.

Referring to fig. 3, the buffer module 200 further includes a first spring 204, wherein the first spring 204 is disposed inside the fixing tube 201, and one end of the fixing tube 201 is fixedly connected to the outer wall of the inner housing 101 or the inner cover 102.

In this embodiment, preferably, the first spring 204 can play a role in buffering during the process that the movable tube 202 is retracted into the fixed tube 201, which is beneficial to improving the buffering effect.

Referring to fig. 4, the sealing module 300 further comprises a sealing module 300, wherein the sealing module 300 comprises a first fixing ring 301, a first hose 302, a fixing cylinder 303, a sealing cover 304 and a protective cover 305, the first fixing ring 301 is fixedly connected with the inner shell 101, the first fixing ring 301 is fixedly connected with one end of the first hose 302, the other end of the first hose 302 is fixedly connected with the fixing cylinder 303, the inner wall of the fixing cylinder 303 is slidably connected with the sealing cover 304, the outer wall of the fixing cylinder 303 is fixedly connected with the outer shell 103, and the fixing cylinder 303 is in threaded connection with the inner wall of the protective cover 305.

In this embodiment, preferably, when the inner housing 101 is impacted inside the second accommodating chamber 103a and the position moves, the first fixing ring 301 moves with the inner housing 101, the fixing tube 303 moves with the outer housing 103, and the first hose 302 can function to communicate the first fixing ring 301 with the fixing tube 303. When the air-sucking device is used, air in the first hose 302 is sucked, the first accommodating cavity 101a is vacuumized, the millimeter wave chip, the end-fire antenna and pins or contacts of a related driving control circuit in the first accommodating cavity 101a can be prevented from being oxidized, the millimeter wave chip, the end-fire antenna and the contacts are protected, and the first hose 302 and the first accommodating cavity 101a can be sealed by the sealing cover 304. The protective cover 305 can protect the inside of the cylinder 303.

Referring to fig. 4, the sealing cover 304 is provided with a first sealing ring 304a, and the first sealing ring 304a is slidably connected to the inner wall of the fixed cylinder 303.

Preferably, in this embodiment, the first sealing ring 304a can prevent external air from entering the first hose 302.

Referring to fig. 4 and 6, the sealing module 300 further includes an inner tube 306 and an inner rod 307, the outer wall of the inner tube 306 is fixedly connected with the fixing cylinder 303, the inner wall of the inner tube 306 is slidably connected with the inner rod 307, and the inner rod 307 is fixedly connected with the sealing cover 304.

In this embodiment, the first hose 302, the inner tube 306 and the inner shaft are preferably coaxially arranged, and the inner rod 307 can be inserted into the inner tube 306, so that the position of the sealing cover 304 is limited.

Referring to fig. 4, the inner wall of the inner tube 306 is provided with a second sealing ring 306a, and the inner wall of the second sealing ring 306a is slidably connected with the inner rod 307.

In this embodiment, the second sealing ring 306a preferably prevents air from entering the first hose 302 from the outer wall of the inner rod 307, thereby providing a seal.

Referring to fig. 4 and 5, the sealing module 300 further includes a triggering unit 308, the triggering unit 308 includes a second spring 308a and a supporting rod 308b, the second spring 308a is fixedly connected with the fixed cylinder 303, the supporting rod 308b is fixedly connected with the sealing cover 304, the supporting rod 308b is disposed corresponding to the position of the second spring 308a, and the radial dimension of the supporting rod 308b is smaller than the inner diameter of the second spring 308 a.

In this embodiment, the supporting rod 308b may be inserted into the second spring 308a, and the second spring 308a may be provided with a plurality of groups at the inner end wall of the fixed cylinder 303, so as to avoid the occurrence of offset of the sealing cover 304 and improve the stability thereof. When the device is used, air in the first hose 302 is pumped to vacuum the first accommodating cavity 101a, so that the millimeter wave chip, the end-fire antenna and pins or contacts of a related drive control circuit in the first accommodating cavity 101a can be prevented from being oxidized, the millimeter wave chip, the end-fire antenna and the contacts are protected, the first hose 302 and the first accommodating cavity 101a can be sealed by the sealing cover 304, and at the moment, the sealing cover 304 is tightly adsorbed to the direction of the first hose 302 under the action of negative pressure in the first accommodating cavity 101a, and the second spring 308a is compressed by the sealing cover 304.

Referring to fig. 4 to 6, the sealing module 300 further includes an alarm unit 309, the alarm unit 309 includes a first contact piece 309a, a second contact piece 309b, a light emitting diode 309c, and a battery 309d, the first contact piece 309a is fixedly connected to the sealing cover 304, the second contact piece 309b is fixedly connected to the protective cover 305, and the first contact piece 309a, the second contact piece 309b, the light emitting diode 309c, and the battery 309d are connected in series.

In this embodiment, preferably, when the first hose 302 or the inner housing 101 and the inner cover plate 102 are damaged, so that the cooling liquid 203 filled in the second accommodating cavity 103a enters the first accommodating cavity 101a, or after the air enters the first hose 302 and the first accommodating cavity 101a, the negative pressure inside the first hose 302 and the first accommodating cavity 101a is reduced, and the adsorption force is smaller than the elastic force of the second spring 308a, the sealing cover 304 is pushed to move to the right side in fig. 6 under the elastic force of the second spring 308a, at this time, the first contact piece 309a contacts with the second contact piece 309b, and the first contact piece 309a, the second contact piece 309b, the light emitting diode 309c and the battery 309d form a complete circuit, at this time, the light emitting diode 309c emits light, so as to remind a user of checking, repairing or replacing, playing a warning role, and guaranteeing the protection role of the components inside the first accommodating cavity 101 a.

Referring to fig. 7 and 8, the sealing module 400 further comprises a sealing module 400, the sealing module 400 comprises a control tube 401, a third spring 402, a piston head 403 and an air needle 404, the outer wall of the control tube 401 is fixedly connected with a sealing cover 304 and an inner rod 307, the control tube 401 is hollow, a first through hole 401a and a second through hole 401b are formed in the control tube 401, the inner wall of the control tube 401 is slidably connected with the piston head 403, the piston head 403 is fixedly connected with one end of the third spring 402, the other end of the third spring 402 is fixedly connected with the inner wall of the control tube 401, the air needle 404 is slidably connected with the second through hole 401b, a third sealing ring 401b-1 is arranged on the inner wall of the second through hole 401b, and a third through hole 404a is formed in the air needle 404.

In this embodiment, the piston head 403 is preferably slidable within the inner wall of the control tube 401. When the air in the first accommodating cavity 101a is extracted, the air needle 404 is far away from the third through hole 404a and is connected with the vacuum pump, then the air needle 404 is inserted into the control tube 401 through the second through hole 401b, the air needle 404 pushes the piston head 403 to slide on the inner wall of the control tube 401 against the elastic force of the third spring 402 until the second through hole 401b is exposed, at the moment, the vacuum pump starts to work, the air in the first accommodating cavity 101a is extracted, the air needle 404 is pulled out after the extraction is finished, the piston head 403 slides to a position capable of blocking the second through hole 401b under the elastic force of the third spring 402, and the space in the first hose 302 and the first accommodating cavity 101a is closed. And the spring force of the third spring 402 needs to be greater than the negative pressure suction force of the first hose 302 and the first accommodating chamber 101 a. The control tube 401 may be cut along the cross-section shown in fig. 7, and then the third spring 402 and the piston head 403 are installed, and then the control tube 401 is welded again into one body, thereby completing the assembly of the closed module 400.

The working flow is as follows: the conventional millimeter wave chip, the endfire antenna and the related driving control circuit are welded inside the inner casing 101 and the inner cover plate 102 to form a first accommodating cavity 101a, then the inner casing 101 and the inner cover plate 102 are welded together, the inner casing 101 and the inner cover plate 102 can provide protection for components inside the first accommodating cavity 101a, then the inner casing 101 and the inner cover plate 102 are placed inside the second accommodating cavity 103a, then the outer casing 103 and the outer cover plate 104 are welded together, the cooling liquid 203 is filled inside the second accommodating cavity 103a through the filling holes 104a, then the filling holes 104a are closed, the outer casing 103 and the outer cover plate 104 can play a protection role for the inner casing 101 and the inner cover plate 102, and the protection effect is improved through a double-layer protection structure.

The air needle 404 is far away from the third through hole 404a and connected with the vacuum pump, then the air needle 404 is inserted into the control tube 401 through the second through hole 401b, the air needle 404 pushes the piston head 403 to slide on the inner wall of the control tube 401 against the elastic force of the third spring 402 until the second through hole 401b is exposed, at this time, the vacuum pump starts to work, air in the first accommodating cavity 101a is extracted, the air needle 404 is pulled out after the extraction is finished, the piston head 403 slides to a position capable of blocking the second through hole 401b under the elastic force of the third spring 402, and the space in the first hose 302 and the first accommodating cavity 101a is closed.

During use, when a vehicle passes through a steep or bumpy road surface, after the outer shell 103 and the outer cover 104 are impacted, the impact force is required to pass through the cooling liquid 203 from the outer shell 103 and the outer cover 104 and then is conducted to the inner shell 101 and the inner cover 102, the conducting path is from solid to liquid and then to solid, the cooling liquid 203 separates the inner shell 101 and the inner cover 102 from the outer shell 103 and the outer cover 104, the damping and vibration reducing effects can be provided, when the impact force acts on the outer shell 103 and the outer cover 104 from the outer shell 103 from the outer side in fig. 2, the outer shell 103 and the outer cover 104 can move rightwards, the inner shell 101 and the inner cover 102 can maintain the original positions due to inertia, the fixed tube 201 and the movable tube 202 on the left side of the inner shell 101 are compressed, the movable tube 202 is retracted into the fixed tube 201, the cooling liquid 203 inside the fixed tube 201 and the movable tube 202 flows out to the inside of the second accommodating cavity 103a through the circulating holes 202a, the radial size of the circulating holes 202a can limit the cooling liquid 203, the flowing speed of the cooling liquid 203 can be reduced, the inner tube 202 is retracted into the fixed tube 201 and the movable tube 202a is further influenced by the damping and the inner tube 101, the electronic tube is further influenced by the damping and vibration reducing effects can be further prolonged, and the electronic tube is prevented from being influenced by the impact force in the inner shell 101 and the inner shell 101.

And when the first hose 302 or the inner housing 101 and the inner cover plate 102 are damaged, so that the cooling liquid 203 filled in the second accommodating cavity 103a enters the first accommodating cavity 101a, or after the air enters the first hose 302 and the first accommodating cavity 101a, the negative pressure in the first hose 302 and the first accommodating cavity 101a is reduced, and the adsorption force is smaller than the elastic force of the second spring 308a, the sealing cover 304 is pushed to move to the right side in fig. 6 under the elastic force of the second spring 308a, at this time, the first contact piece 309a and the second contact piece 309b are contacted, the first contact piece 309a, the second contact piece 309b, the light emitting diode 309c and the battery 309d form a complete loop, at this time, the light emitting diode 309c emits light, thereby playing a role of warning, reminding a user that inspection repair or replacement is needed to ensure the protection function of the components in the first accommodating cavity 101 a.

Claims (8)

1. The utility model provides a packaging structure of portable target detection radar system which characterized in that: comprising

The packaging module (100), the packaging module (100) comprises an inner shell (101), an inner cover plate (102), an outer shell (103) and an outer cover plate (104), wherein the inner shell (101) is fixedly connected with the inner cover plate (102), a first accommodating cavity (101 a) is formed inside the inner shell (101) and the inner cover plate (102), the outer shell (103) is fixedly connected with the outer cover plate (104), a filling hole (104 a) is formed in the outer cover plate (104), a second accommodating cavity (103 a) is formed inside the outer shell (103) and the outer cover plate (104), the inner shell (101) and the inner cover plate (102) are arranged inside the second accommodating cavity (103 a), and a gap is reserved between the outer walls of the inner shell (101) and the inner cover plate (102) and the inner walls of the outer shell (103) and the outer cover plate (104);

the buffer module (200), the buffer module (200) comprises a fixed pipe (201), a movable pipe (202) and cooling liquid (203), wherein more than two groups of fixed pipes (201) are arranged, the movable pipe (202) is arranged corresponding to the fixed pipes (201), one end of each fixed pipe (201) is fixedly connected with the outer wall of the inner shell (101) or the inner cover plate (102), the other end of each fixed pipe (201) is slidably connected with the inner wall of one end of each movable pipe (202), a flow hole (202 a) is formed in each movable pipe (202), the other end of each movable pipe (202) is slidably connected with the inner wall of the outer shell (103) or the outer cover plate (104), and the cooling liquid (203) is filled in the second accommodating cavity (103 a);

the sealing module (300), sealing module (300) include first solid fixed ring (301), first hose (302), fixed section of thick bamboo (303), sealed lid (304) and visor (305), first solid fixed ring (301) fixed connection inner casing (101), first hose (302) one end of fixed ring (301) fixed connection, fixed section of thick bamboo (303) of first hose (302) other end fixed connection, sealed lid (304) of fixed section of thick bamboo (303) inner wall sliding connection, fixed section of thick bamboo (303) outer wall fixed connection shell body (103), fixed section of thick bamboo (303) threaded connection visor (305) inner wall.

2. The packaging structure of the portable object detection radar system according to claim 1, wherein: the buffer module (200) further comprises a first spring (204), wherein the first spring (204) is arranged inside the fixed pipe (201), and one end of the fixed pipe (201) is fixedly connected with the outer wall of the inner shell (101) or the inner cover plate (102).

3. The packaging structure of the portable object detection radar system according to claim 1, wherein: the sealing cover (304) is provided with a first sealing ring (304 a), and the first sealing ring (304 a) is connected with the inner wall of the fixed cylinder (303) in a sliding mode.

4. The packaging structure of the portable object detection radar system according to claim 3, wherein: the sealing module (300) further comprises an inner pipe (306) and an inner rod (307), the outer wall of the inner pipe (306) is fixedly connected with the fixed cylinder (303), the inner wall of the inner pipe (306) is slidably connected with the inner rod (307), and the inner rod (307) is fixedly connected with the sealing cover (304).

5. The packaging structure of the portable object detection radar system according to claim 4, wherein: the inner wall of the inner tube (306) is provided with a second sealing ring (306 a), and the inner wall of the second sealing ring (306 a) is connected with the inner rod (307) in a sliding mode.

6. The packaging structure of the portable object detection radar system according to claim 5, wherein: the sealing module (300) further comprises a triggering unit (308), the triggering unit (308) comprises a second spring (308 a) and a supporting rod (308 b), the second spring (308 a) is fixedly connected with the fixed cylinder (303), the supporting rod (308 b) is fixedly connected with the sealing cover (304), the supporting rod (308 b) is arranged corresponding to the position of the second spring (308 a), and the radial size of the supporting rod (308 b) is smaller than the inner diameter of the second spring (308 a).

7. The packaging structure of the portable object detection radar system according to claim 6, wherein: the sealing module (300) further comprises an alarm unit (309), the alarm unit (309) comprises a first contact piece (309 a), a second contact piece (309 b), a light emitting diode (309 c) and a battery (309 d), the first contact piece (309 a) is fixedly connected with a sealing cover (304), the second contact piece (309 b) is fixedly connected with a protective cover (305), and the first contact piece (309 a), the second contact piece (309 b), the light emitting diode (309 c) and the battery (309 d) are connected in series.

8. The packaging structure of the portable object detection radar system according to claim 4, wherein: still including seal module (400), seal module (400) including control tube (401), third spring (402), piston head (403) and gas needle (404), sealed lid (304) and interior pole (307) of control tube (401) outer wall fixed connection, the inside cavity of control tube (401), be provided with first through-hole (401 a) and second through-hole (401 b) on control tube (401), control tube (401) inner wall sliding connection piston head (403) to piston head (403) fixed connection third spring (402) one end, third spring (402) other end fixed connection control tube (401) inner wall, gas needle (404) sliding connection second through-hole (401 b) to second through-hole (401 b) inner wall is provided with third sealing ring (401 b-1), is provided with third through-hole (404 a) on gas needle (404).

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