CN213906730U - Sucker pressure control device - Google Patents
Sucker pressure control device Download PDFInfo
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- CN213906730U CN213906730U CN202120212658.4U CN202120212658U CN213906730U CN 213906730 U CN213906730 U CN 213906730U CN 202120212658 U CN202120212658 U CN 202120212658U CN 213906730 U CN213906730 U CN 213906730U
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Abstract
The utility model provides a technical scheme that its technical problem adopted is: a suction cup pressure control device comprising: the suction cup comprises a bracket provided with a suction cup and a pressure switch arranged in the bracket, and is characterized in that an air cavity and a suction pump are arranged in the bracket, a circuit is arranged between the pressure switch and the suction pump, the suction cup, the air cavity, the pressure switch and an air passage of the suction pump are connected, and the suction pump pressurizes the air cavity to enhance the adsorption force of the suction cup; a pressure switch cap is arranged in the pressure switch, one end of the pressure switch cap is connected with a pressure switch spring, the other end of the pressure switch cap is connected with a conducting strip, and the pressure switch starts or does not start the air pump through the conducting strip; the pressure switch cap is contracted, the conducting strip is not electrically connected with the air pump, and the air pump stops pressurizing the air cavity; the pressure switch spring pushes the pressure switch cap, the conducting strip is electrically connected with the air pump, and the air pump is started to pressurize the air cavity; the sucking disc remains stable adsorption affinity all the time, avoids the cell-phone to drop cell phone stand and causes the potential safety hazard of driving process.
Description
Technical Field
The utility model belongs to sucking disc cell phone stand, especially sucking disc pressure control device.
Background
The existing sucker mobile phone support is often unstable in internal pressure due to the air leakage condition of the sucker, so that the sucker of the mobile phone is easy to fall off, and serious potential safety hazards exist during driving.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model provides a sucking disc pressure control device, it makes the sucking disc adsorption affinity stable, avoids the cell-phone to drop cell phone stand and causes the potential safety hazard of driving process.
The utility model provides a technical scheme that its technical problem adopted is: a suction cup pressure control device comprising: the suction cup comprises a bracket provided with a suction cup and a pressure switch arranged in the bracket, and is characterized in that an air cavity and a suction pump are arranged in the bracket, a circuit is arranged between the pressure switch and the suction pump, the suction cup, the air cavity, the pressure switch and an air passage of the suction pump are connected, and the suction pump pressurizes the air cavity to enhance the adsorption force of the suction cup; a pressure switch cap is arranged in the pressure switch, one end of the pressure switch cap is connected with a pressure switch spring, the other end of the pressure switch cap is connected with a conducting strip, and the pressure switch starts or does not start the air pump through the conducting strip.
The technical effects are as follows:
1. when the internal pressure of the air cavity reaches a preset pressure value, the pressure switch cap contracts, the conducting strip is not electrically connected with the air pump, and the air pump stops pressurizing the air cavity.
2. When the internal pressure of the air cavity is lower than a preset pressure value, the pressure switch spring pushes the pressure switch cap, the conducting strip is electrically connected with the air pump, and the air pump is started to pressurize the air cavity.
3. The internal pressure of the air cavity is kept within a preset pressure value range, so that the sucker can always keep stable adsorption force, and the potential safety hazard of the driving process caused by the mobile phone falling off the mobile phone support is avoided.
Furthermore, a circuit board is arranged in the support, the pressure switch is connected with the air pump through a circuit of the circuit board, the circuit board is provided with a control end, and the control end is matched with a conducting strip of the pressure switch to control the air pump to be started or not to be started.
The technical effects are as follows: when the conducting strip of the pressure switch is connected with the control end of the circuit board, the air pump is started; when the conducting strip of the pressure switch is not connected with the control end of the circuit board, the air pump is not started.
Furthermore, the pressure switch is opposite to the upper wall surface of the circuit board, the pressure switch is arranged above the control end of the circuit board, a pressure switch cover is arranged on the outer side of the pressure switch, and the conducting strip, the pressure switch cap and the pressure switch spring are arranged in the pressure switch cover.
The technical effects are as follows: the pressure switch cover is an integral fixing component of the pressure switch.
Furthermore, a cover hole is formed in the wall surface of the pressure switch cover, the control end of the circuit board is a thimble, the lower portion of the control end is perpendicular to the upper wall surface of the circuit board, and the upper portion of the control end penetrates through the cover hole to be opposite to the conducting strip.
Furthermore, there is the bottom circuit board below, and there is well lid circuit board top, and the circuit board is fixed in the bottom, and there is the diaphragm orifice that corresponds with the aspiration pump circuit board middle part, and the aspiration pump passes the diaphragm orifice of circuit board and is fixed in between bottom and the well lid, and pressure switch is fixed in well lid bottom through the pressure switch lid.
The technical effects are as follows: the middle cover and the bottom cover are installation seats of the circuit board, the pressure switch and the air pump, and the circuit board, the pressure switch and the air pump are wrapped in the middle cover and the bottom cover.
Furthermore, the bottom wall of the middle cover is tightly attached to one end of a pressure switch spring of the pressure switch, the other end of the pressure switch spring is connected with a pressure switch cap, the pressure switch spring is a reset spring of the pressure switch, and the pressure switch cap is made of soft rubber.
The technical effects are as follows: the pressure switch spring in the pressure switch is matched with the pressure switch cap made of soft rubber materials, so that the pressure switch is more suitable for electrically connecting or not electrically connecting the conducting strip of the pressure switch and the control end of the circuit board under the pressure change in the air cavity.
Furthermore, the upper wall surface of the middle cover is provided with a circular vertical wall protruding out of the wall surface, an upper cavity is formed on the inner side of the circular vertical wall, the middle cover is circular, the center of the circle of the middle cover is provided with a lower cavity which is downward concave and cylindrical, and the lower cavity and the upper cavity are main bodies of air cavities.
Furthermore, a step wall is formed at the joint of the upper cavity and the lower cavity of the air cavity, a pressure switch air passage and an air pumping pump air passage are arranged in the air cavity, the pressure switch air passage penetrates through the step wall and is communicated with the pressure switch, and the air pumping pump air passage penetrates through the step wall and is communicated with the air pumping pump.
The technical effects are as follows: the air cavity, the pressure switch air passage and the air suction pump air passage form a communicated air passage.
Furthermore, the pressure switch air passage and the air suction pump air passage are arranged on the step wall, and the pressure switch air passage penetrates through the step wall and is communicated with the inner cavity of the pressure switch cover of the pressure switch.
Furthermore, the air pump is provided with an air exhaust hole, and an air passage of the air pump penetrates through the lower wall surface of the step wall protruding out of the middle cover and enters the air exhaust hole.
Furthermore, the sucking disc is disc-shaped, a starting key is arranged at the circle center of the sucking disc, the lower part of the starting end is arranged in the upper cavity of the air cavity, the upper part of the starting key is connected with the sucking disc, the circuit board is provided with the starting end, the starting key is arranged above the starting end, the starting key is electrically connected or not electrically connected with the starting end, and the starting key and the starting end are matched to control the starting of the air pump.
The technical effects are as follows: when the mobile phone is connected with the support, a starting key is pressed, the starting key is in circuit connection with a starting end of the circuit board, and the starting end starts the air pump; when the starting key is not in circuit connection with the starting end, the air pump is not started.
Furthermore, the bottom of the lower cavity of the air cavity is provided with a middle cover middle hole penetrating through the middle cover, the starting end of the circuit board penetrates through the middle cover middle hole, the starting end is a thimble, the lower part of the starting end is perpendicular to the upper wall surface of the circuit board, and the starting end penetrates through the middle cover middle hole and is arranged in the lower cavity.
Further, the start key is provided with a return spring.
Furthermore, the support is provided with a shell, the sucker is exposed out of the shell, the bottom cover and the middle cover are arranged in the shell, the air pump is provided with an exhaust switch, one end of the exhaust switch is connected with the air pump, and the other end of the exhaust switch penetrates through the shell and is arranged on one side of the shell; the circuit board is mounted with a battery and a charging port.
The technical effects are as follows:
1. the battery is the power source of the air extracting pump.
2. The exhaust switch is pressed, the internal pressure of the support is relieved, and the mobile phone can be separated from the sucker.
Each of the above is further an example, and each example may be taken alone as an embodiment, or may be arbitrarily combined to form a combined embodiment on the premise of ensuring no contradiction.
Drawings
Fig. 1 is an overall top view of the mobile phone support of the present invention;
fig. 2 is a schematic bottom view of the mobile phone holder of the present invention;
fig. 3 is a schematic side view of fig. 1A according to the present invention;
fig. 4 is a schematic side view of fig. 1B according to the present invention;
fig. 5 is an overall exploded view of the mobile phone support of the present invention;
FIG. 6 is a schematic view of the installation of the pressure switch and the middle cover of the air pump;
fig. 7 is a schematic top view of the middle cover of the present invention;
fig. 8 is a schematic bottom view of the middle cover of the present invention;
fig. 9 is a schematic diagram of the circuit board of the present invention;
FIG. 10 is a schematic view of the air pump of the present invention;
fig. 11 is an exploded view of the pressure switch of the present invention;
fig. 12 is a schematic diagram of the pressure switch of the present invention.
Symbolic illustrations in the drawings:
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below are exemplary only for the purpose of illustrating the present invention and are not to be construed as limiting the invention, but on the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and terms of the appended claims.
As shown in fig. 1, 3, 6, 11 and 12, the suction cup pressure control device of the present embodiment includes a support 1 equipped with a suction cup 2 and a pressure switch 5 disposed in the support 1, an air cavity 3 and a suction pump 6 are further disposed in the support 1, a circuit is provided between the pressure switch 5 and the suction pump 6, the suction cup 2, the air cavity 3, the pressure switch 5 and an air passage of the suction pump 6 are connected, and the suction pump 6 pressurizes the air cavity 3 to enhance the suction force of the suction cup 2; a pressure switch cap 5.3 is arranged in the pressure switch 5, one end of the pressure switch cap 5.3 is connected with a pressure switch spring 5.4, the other end of the pressure switch cap 5.3 is connected with a conducting strip 5.2, and the pressure switch 5 starts or does not start the air pump 6 through the conducting strip 5.2; when the internal pressure of the air cavity 3 reaches a preset pressure value, the pressure switch cap 5.3 contracts, the conducting strip 5.2 is not electrically connected with the air pump 6, and the air pump 6 stops pressurizing the air cavity 3; when the internal pressure of the air cavity 3 is lower than a preset pressure value, the pressure switch spring 5.4 pushes the pressure switch cap 5.3, the conducting strip 5.2 is electrically connected with the air pump 6, and the air pump 6 is started to pressurize the air cavity 3.
As shown in fig. 3, fig. 6, fig. 11 and fig. 12, a circuit board 4 is arranged in the bracket 1 of the present embodiment, the pressure switch 5 is electrically connected with the air pump 6 through the circuit board 4, the circuit board 4 is provided with a control end 4.2, and the control end 4.2 is matched with the conducting strip 5.2 of the pressure switch 5 to control the air pump 6 to be started or not to be started; the pressure switch 5 is opposite to the upper wall surface of the circuit board 4, the pressure switch 5 is arranged above the control end 4.2 of the circuit board 4, a pressure switch cover 5.1 is arranged on the outer side of the pressure switch 5, the conducting strip 5.2, the pressure switch cap 5.3 and the pressure switch spring 5.4 are arranged in the pressure switch cover 5.1, and the pressure switch cover 5.1 is an integral fixing component of the pressure switch 5; the wall surface of the pressure switch cover 5.1 is provided with a cover hole 5.11, the control end 4.2 of the circuit board 4 is a thimble, the lower part of the control end 4.2 is vertical to the upper wall surface of the circuit board 4, and the upper part of the control end 4.2 penetrates through the cover hole 5.11 to be opposite to the conducting strip 5.2.
As shown in fig. 3 to 6 and 9, in the present embodiment, a bottom cover 9 is disposed below the circuit board 4, a middle cover 10 is disposed above the circuit board 4, the circuit board 4 is fixed to the bottom cover 9, a plate hole 4.5 corresponding to the air pump 6 is disposed in the middle of the circuit board 4, the air pump 6 is fixed between the bottom cover 9 and the middle cover 10 through the plate hole 4.5 of the circuit board 4, and the pressure switch 5 is fixed to the bottom of the middle cover 10 through a pressure switch cover 5.1; the middle cover 10 and the bottom cover 9 are mounting seats for the circuit board 4, the pressure switch 5 and the air pump 6, and the circuit board 4, the pressure switch 5 and the air pump 6 are wrapped in the middle cover 10 and the bottom cover 9.
As shown in fig. 3, 11 and 12, one end of a pressure switch spring 5.4 of the pressure switch 5 of the present embodiment is tightly attached to the bottom wall of the middle cover 10, the other end of the pressure switch spring 5.4 is connected to a pressure switch cap 5.3, the pressure switch spring 5.4 is a return spring of the pressure switch 5, and the pressure switch cap 5.3 is made of soft rubber.
As shown in fig. 4 and fig. 7 to 9, the upper wall surface of the middle cover 10 of the present embodiment has a circular vertical wall protruding from the wall surface, an upper cavity 3.2 is formed inside the circular vertical wall, the middle cover 10 is circular, a lower cavity 3.1 which is concave downward and cylindrical is arranged at the center of the circle of the middle cover 10, and the lower cavity 3.1 and the upper cavity 3.2 are main bodies of the air cavity 3; a step wall 10.2 is formed at the joint of a lower cavity 3.1 and an upper cavity 3.2 of the air cavity 3, a pressure switch air passage 3.3 and an air pumping pump air passage 3.4 are arranged in the air cavity 3, the pressure switch air passage 3.3 penetrates through the step wall 10.2 to be communicated with a pressure switch 5, and the air pumping pump air passage 3.4 penetrates through the step wall 10.2 to be communicated with an air pumping pump 6; the air cavity 3, the pressure switch air passage 3.3 and the air suction pump air passage 3.4 form a communicated air passage; the pressure switch air passage 3.3 and the air suction pump air passage 3.4 are both arranged on the step wall 10.2, and the pressure switch air passage 3.3 penetrates through the step wall 10.2 and is communicated with the inner cavity of the pressure switch cover 5.1 of the pressure switch 5; the air pump 6 is provided with an air pumping hole 6.1, and an air passage 3.4 of the air pump penetrates through the step wall 10.2 and protrudes out of the lower wall surface of the middle cover 10 to enter the air pumping hole 6.1.
As shown in fig. 3 to 5 and fig. 7 to 9, the suction cup 2 of the present embodiment is disc-shaped, a start key 7 is arranged at the center of the circle of the suction cup 2, the lower part of the start end 4.1 is disposed in the upper cavity 3.2 of the air cavity 3, the upper part of the start key 7 is connected with the suction cup 2, the circuit board 4 is provided with the start end 4.1, the start key 7 is disposed above the start end 4.1, the start key 7 is electrically connected or not electrically connected with the start end 4.1, and the start key 7 is matched with the start end 4.1 to control the start of the air pump 6; when the mobile phone is connected with the support 1, the starting key 7 is pressed, the starting key 7 is in circuit connection with the starting end 4.1 of the circuit board 4, and the starting end 4.1 starts the air pump 6; when the starting key 7 is not in circuit connection with the starting end 4.1, the air pump 6 is not started; the bottom of a lower cavity 3.1 of the air cavity 3 is provided with a middle cover middle hole 10.1 which penetrates through the middle cover 10, a starting end 4.1 of the circuit board 4 penetrates through the middle cover middle hole 10.1, the starting end 4.1 is a thimble, the lower part of the starting end 4.1 is vertical to the upper wall surface of the circuit board 4, and the starting end 4.1 penetrates through the middle cover middle hole 10.1 and is arranged in the lower cavity 3.1; the start key 7 is provided with a return spring.
As shown in fig. 1 to 4 and fig. 6 and 10, the bracket 1 of the present embodiment has an outer shell 8, the suction cup 2 is exposed out of the outer shell 8, a bottom cover 9 and a middle cover 10 are disposed in the outer shell 8, the suction pump 6 has an exhaust switch 6.2, one end of the exhaust switch 6.2 is connected to the suction pump 6, and the other end of the exhaust switch 6.2 penetrates through the outer shell 8 and is disposed at one side of the outer shell 8; the circuit board 4 is provided with a battery 4.3 and a charging port 4.4; the battery 4.3 is a power source of the air pump 6; the exhaust switch 6.2 is pressed, the internal pressure of the bracket 1 is relieved, and the mobile phone can be separated from the sucker 2.
When the back of the mobile phone is placed on the sucking disc 2, the starting key 7 is electrically connected with the starting end 4.1 of the circuit board 4, the air pump 6 starts to pump air, the air pump 6 pumps the air in the air cavity 3 through the air flue 3.4 of the air pump, the air cavity 3 forms vacuum to enhance the adsorption force of the sucking disc 2, and the sucking disc 2 sucks the back of the mobile phone; when the air pump 6 pumps the air in the air cavity 3, the pressure switch air passage 3.3 is connected with the air cavity 3, when the vacuum pressure in the air cavity 3 reaches a preset pressure value, the pressure switch cap 5.3 of the pressure switch 5 is under the vacuum pressure, the pressure switch cap 5.3 is contracted towards the pressure switch spring 5.4, and the conducting strip 5.2 is not electrically connected with the control end 4.2 of the circuit board 4;
when sucking disc 2 adsorbs cell-phone back and appears leaking gas, vacuum pressure is low when predetermineeing the pressure value in the air cavity 3, and pressure switch spring 5.4 promotes pressure switch cap 5.3 and resets, and conducting strip 5.2 is connected with circuit board 4's control end 4.2 electricity, and 6 restarts of aspiration pump improve the vacuum pressure in the air cavity 3 to reinforcing sucking disc 2's adsorption affinity, sucking disc 2's adsorption affinity remains stable always, avoids the cell-phone to drop cell phone stand and causes the potential safety hazard of driving process.
Claims (10)
1. A suction cup pressure control device comprising: the air suction device comprises a support (1) provided with a sucker (2) and a pressure switch (5) arranged in the support (1), and is characterized in that an air cavity (3) and an air suction pump (6) are arranged in the support (1), a circuit is arranged between the pressure switch (5) and the air suction pump (6), the sucker (2), the air cavity (3), the pressure switch (5) and an air passage of the air suction pump (6) are connected, and the air suction pump (6) pressurizes the air cavity (3) to enhance the adsorption force of the sucker (2); pressure switch (5) are built-in to have pressure switch cap (5.3), and pressure switch cap (5.3) one end is connected with pressure switch spring (5.4), and pressure switch cap (5.3) other end is connected with conducting strip (5.2), and pressure switch (5) are through conducting strip (5.2) start or do not start aspiration pump (6).
2. The suction cup pressure control device according to claim 1, wherein: a circuit board (4) is arranged in the support (1), the pressure switch (5) is connected with the air pump (6) through the circuit board (4) in a circuit mode, the circuit board (4) is provided with a control end (4.2), and the control end (4.2) is matched with a conducting strip (5.2) of the pressure switch (5) to control the air pump (6) to be started or not to be started.
3. The suction cup pressure control device according to claim 2, wherein: the pressure switch (5) is opposite to the upper wall surface of the circuit board (4), the pressure switch (5) is arranged above the control end (4.2) of the circuit board (4), a pressure switch cover (5.1) is arranged on the outer side of the pressure switch (5), and the conducting strip (5.2), the pressure switch cap (5.3) and the pressure switch spring (5.4) are arranged in the pressure switch cover (5.1).
4. The suction cup pressure control device according to claim 3, wherein: the wall surface of the pressure switch cover (5.1) is provided with a cover hole (5.11), the control end (4.2) of the circuit board (4) is an ejector pin, the lower part of the control end (4.2) is vertical to the upper wall surface of the circuit board (4), and the upper part of the control end (4.2) penetrates through the cover hole (5.11) to be opposite to the conducting strip (5.2).
5. The suction cup pressure control device according to claim 4, wherein: there is bottom (9) circuit board (4) below, and there is well lid (10) circuit board (4) top, and circuit board (4) are fixed in bottom (9), and circuit board (4) middle part has pore (4.5) that correspond with aspiration pump (6), and between bottom (9) and well lid (10) were fixed in pore (4.5) that circuit board (4) were passed in aspiration pump (6), and pressure switch (5) are fixed in well lid (10) bottom through pressure switch lid (5.1).
6. The suction cup pressure control device according to claim 5, wherein: one end of a pressure switch spring (5.4) of the pressure switch (5) is tightly attached to the bottom wall of the middle cover (10), the other end of the pressure switch spring (5.4) is connected with a pressure switch cap (5.3), the pressure switch spring (5.4) is a return spring of the pressure switch (5), and the pressure switch cap (5.3) is made of soft rubber.
7. The suction cup pressure control device of claim 6, wherein: the upper wall surface of the middle cover (10) is provided with a circular vertical wall with a convex wall surface, an upper cavity (3.2) is formed on the inner side of the circular vertical wall, the middle cover (10) is circular, the circle center of the middle cover (10) is provided with a lower cavity (3.1) which is downwards concave and cylindrical, and the lower cavity (3.1) and the upper cavity (3.2) are main bodies of the air cavity (3).
8. The suction cup pressure control device of claim 7, wherein: a step wall (10.2) is formed at the joint of the lower cavity (3.1) and the upper cavity (3.2) of the air cavity (3), a pressure switch air passage (3.3) and an air pumping pump air passage (3.4) are arranged in the air cavity (3), the pressure switch air passage (3.3) penetrates through the step wall (10.2) and is communicated with a pressure switch (5), and the air pumping pump air passage (3.4) penetrates through the step wall (10.2) and is communicated with an air pumping pump (6).
9. The suction cup pressure control device of claim 8, wherein: sucking disc (2) are the disc, the centre of a circle department of sucking disc (2) has start key (7), the lower part of start end (4.1) is arranged in last cavity (3.2) of air cavity (3), the upper portion of start key (7) links to each other with sucking disc (2), circuit board (4) are equipped with start end (4.1), the top of start end (4.1) is arranged in to start key (7), start key (7) are connected or not the electricity with start end (4.1) electricity, start key (7) and start end (4.1) cooperation control aspiration pump (6) start.
10. The suction cup pressure control device according to any one of claims 1 to 9, wherein: the support (1) is provided with a shell (8), the sucker (2) is exposed out of the shell (8), the bottom cover (9) and the middle cover (10) are arranged in the shell (8), the air pump (6) is provided with an exhaust switch (6.2), one end of the exhaust switch (6.2) is connected with the air pump (6), and the other end of the exhaust switch (6.2) penetrates through the shell (8) and is arranged on one side of the shell (8); the circuit board (4) is provided with a battery (4.3) and a charging port (4.4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120212658.4U CN213906730U (en) | 2021-01-26 | 2021-01-26 | Sucker pressure control device |
Applications Claiming Priority (1)
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CN202120212658.4U CN213906730U (en) | 2021-01-26 | 2021-01-26 | Sucker pressure control device |
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CN213906730U true CN213906730U (en) | 2021-08-06 |
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CN202120212658.4U Active CN213906730U (en) | 2021-01-26 | 2021-01-26 | Sucker pressure control device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113645690A (en) * | 2021-08-23 | 2021-11-12 | 杭州中芯微电子有限公司 | UWB integrated positioning paste |
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2021
- 2021-01-26 CN CN202120212658.4U patent/CN213906730U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113645690A (en) * | 2021-08-23 | 2021-11-12 | 杭州中芯微电子有限公司 | UWB integrated positioning paste |
CN113645690B (en) * | 2021-08-23 | 2023-05-16 | 杭州中芯微电子有限公司 | UWB integrated positioning paste |
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