CN211180220U - GNSS receiver and damping device thereof - Google Patents
GNSS receiver and damping device thereof Download PDFInfo
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- CN211180220U CN211180220U CN201921741132.4U CN201921741132U CN211180220U CN 211180220 U CN211180220 U CN 211180220U CN 201921741132 U CN201921741132 U CN 201921741132U CN 211180220 U CN211180220 U CN 211180220U
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Abstract
The embodiment of the application relates to the technical field of engineering survey, in particular to a GNSS receiver and a damping device thereof. The damping device comprises a connecting mechanism, a controller, an acceleration detection unit, a power supply and at least two ejectable compression air bags; the power supply is used for the controller, the acceleration detection unit and the ejectable compression air bag to provide electric energy; the acceleration detection unit and the controller are both fixedly arranged on the connecting mechanism; the controller is in signal connection with the acceleration detection unit and the ejectable compression air bag; the ejectable compression airbags are uniformly distributed along the circumferential direction of the GNSS receiver and can be mounted on the connecting mechanism in an ejectable manner; the acceleration detection unit is used for detecting the motion acceleration of the GNSS receiver; the controller judges whether the GNSS receiver is in a normal state or a falling state, and generates an opening signal for controlling the compressed air bag to be ejected to be opened. The damping device can avoid damage of the GNSS receiver due to falling, and therefore maintenance cost is saved.
Description
Technical Field
The application relates to the technical field of engineering survey, in particular to a GNSS receiver and a damping device thereof.
Background
The Global Navigation Satellite System (GNSS), also called Global Navigation Satellite System, is a space-based radio Navigation positioning System that can provide users with all-weather three-dimensional coordinates and velocity and time information at any location on the earth's surface or in near-earth space.
In the railway reconnaissance and measurement process, railway lines often pass through dense forest high mountainous areas, people are fewer in villages and are extremely inconvenient to gather. In the field surveying process, survey personnel need to shuttle over in mountain area forest belt along the position, and the falling accident of the surveying instrument easily appears in the region with large relief.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a GNSS receiver and a damping device thereof, and the damping device can be used for actively damping and buffering the GNSS receiver when falling through a pop-up compression air bag, so that the damage of the GNSS receiver caused by falling can be avoided, and the maintenance cost is saved.
According to a first aspect of the embodiments of the present application, there is provided a damping device for a GNSS receiver, including a connection mechanism, a controller, an acceleration detection unit, a power supply, and at least two ejectable compression bladders; wherein:
the acceleration detection unit and the controller are both fixedly arranged on the connecting mechanism;
the power supply is detachably arranged on the connecting mechanism and is electrically connected with the acceleration detecting unit, the controller and the ejectable compression air bag;
at least two ejectable compression air bags are uniformly distributed along the circumferential direction of the GNSS receiver and can be mounted on the connecting mechanism in an ejectable manner;
the controller is in signal connection with both the acceleration detection unit and the ejectable compression air bag;
the acceleration detection unit is used for detecting the motion acceleration of the GNSS receiver and sending a detected acceleration signal to the controller;
and according to the received acceleration signal, the controller judges whether the GNSS receiver is in a normal state or a falling state, and when the controller judges that the GNSS receiver is in the falling state, the controller generates an opening signal for controlling the ejectable compression airbag to open.
Preferably, the pop-up compression airbag comprises an airbag, a gas generator arranged in the airbag and an airbag controller connected with a switch of the gas generator;
the air bag controller is in signal connection with the controller, is electrically connected with the power supply and is used for controlling the switch of the gas generator to be turned on when receiving the starting signal of the controller.
Preferably, the connecting mechanism is a tray-shaped structure, a screw rod for fixedly connecting the GNSS receiver is arranged at the top, and a threaded hole is arranged at the bottom.
Preferably, the connecting mechanism is provided with grooves corresponding to the ejectable compression air bags one by one, and the ejectable compression air bags are accommodated in the corresponding grooves.
Preferably, the acceleration detection unit is an acceleration sensor.
Preferably, the acceleration detection unit is a three-axis acceleration sensor.
Preferably, the controller is a microprocessor.
Preferably, the connecting mechanism is made of rigid material.
Preferably, the number of the at least two ejectable compression air bags is 2-4.
According to a second aspect of the embodiments of the present application, there is further provided a GNSS receiver, including any one of the shock absorbers provided in the above technical solutions, wherein the connection mechanism of the shock absorber is fixedly installed at a bottom of the GNSS receiver.
By adopting the GNSS receiver and the damping device thereof provided by the embodiment of the application, the following beneficial effects are achieved:
above-mentioned damping device can install in the bottom of GNSS receiver through coupling mechanism, adopt acceleration detecting element to detect the acceleration of GNSS receiver, the controller judges whether the GNSS receiver is in the state of falling according to the acceleration signal that acceleration detecting element detected, and control when judging that the GNSS receiver is in the state of falling and can pop out the compression balloon and open, can pop out the inflation in the twinkling of an eye of compression balloon, and surround the circumference at the GNSS receiver, carry out initiative shock attenuation buffering to the GNSS receiver when falling, with the vibration that the impact force caused the GNSS receiver when the buffering falls, thereby realize the buffering to the GNSS receiver, the shock attenuation, avoid the GNSS receiver because of falling and damage, thereby save cost of maintenance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a GNSS receiver according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of the GNSS receiver provided in FIG. 1 in a roll-off condition;
FIG. 3 is a schematic diagram illustrating an operation of a damping device according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of another working principle of the damping device provided by the embodiment of the present application;
fig. 5 is a schematic circuit connection diagram of a damping device according to an embodiment of the present application.
Reference numerals:
1-a GNSS receiver; 2-a damping device; 3-a base; 4-the ground; 21-a connection mechanism; 22-a controller; 23-an acceleration detection unit; 24-a pop-up compression balloon; 25-a power supply; 211-screw; 212-a groove; 241-a gas generator; 242-airbag controller.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
As shown in the structures of fig. 1 and 3, the embodiment of the present application provides a damping device 2 for a GNSS receiver 1, where the damping device 2 includes a connection mechanism 21, a controller 22, an acceleration detection unit 23, a power supply 25, and at least two ejectable compression airbags 24; wherein:
the damping device 2 can be fixedly arranged at the bottom of the GNSS receiver 1 through a connecting mechanism 21; as shown in the structure of fig. 1, the connection mechanism 21 is fixedly installed at the bottom of the GNSS receiver 1, the connection mechanism 21 is installed between the GNSS receiver 1 and the base 3, the base 3 is specially used for installing the GNSS receiver 1, and the base 3 may be any bottom support component used for fixedly installing the GNSS receiver 1, such as an installation platform, a bracket, a centering rod, etc.; the connecting mechanism 21 can be of a tray-shaped structure, a screw 211 for fixedly connecting the GNSS receiver 1 is arranged at the top of the connecting mechanism 21, the screw 211 is in threaded connection with an internal thread at the bottom of the GNSS receiver 1, the connecting mechanism 21 is fixedly installed on the GNSS receiver 1, a threaded hole is arranged at the bottom of the connecting mechanism 21, the connecting mechanism 21 provided with the GNSS receiver 1 is in threaded connection with an external thread of a base 3 such as a centering rod through the threaded hole, and the connecting mechanism 21 provided with the GNSS receiver 1 is installed on the base 3 such as the centering rod to realize the fixation of the GNSS receiver 1; the connecting mechanism 21 can be made of rigid materials such as metal materials, non-metal materials and the like;
the acceleration detection unit 23 and the controller 22 are both fixedly mounted on the connecting mechanism 21; as shown in the structure of fig. 1, the acceleration detecting unit 23 and the controller 22 may be respectively embedded in the caulking grooves of the connecting mechanism 21, or may be fixedly mounted on the connecting mechanism 21 by other mounting methods, and the positions are not limited to the caulking groove positions shown in fig. 1, as long as the acceleration detecting function and the control function can be realized;
the power supply 25 is detachably mounted on the connecting mechanism 21 and electrically connected with the acceleration detecting unit 23, the controller 22 and the ejectable compression airbag 24; as shown in fig. 1 and 5, the power supply 25 is detachably mounted on the connection mechanism 21, and may be mounted inside, outside or sandwiched between the GNSS receiver 1 and the connection mechanism 21, and the power supply 25 may be a dry battery, a storage battery, or may be mounted in a battery box, and is mainly used for supplying electric power required for normal operation to the acceleration detection unit 23, the controller 22, and the ejectable compression airbag 24;
the controller 22 is in signal connection with both the acceleration detection unit 23 and the ejectable compression air bag 24; as shown in fig. 3 and fig. 4, the controller 22 may be a microprocessor such as a small processing chip, and is mainly configured to receive an acceleration signal detected by the acceleration detection unit 23, and determine a motion posture of the current receiver according to the acceleration of the GNSS receiver 1 detected by the acceleration detection unit 23, and the motion posture is mainly divided into a normal state and a falling state; the controller 22 may preset an acceleration threshold, and determine that the GNSS receiver 1 is in the falling state when the acceleration of the GNSS receiver 1 detected by the acceleration detection unit 23 is greater than or equal to the acceleration threshold, for example, the acceleration threshold may be 9m/s2；
At least two ejectable compression air bags 24 are uniformly distributed along the circumferential direction of the GNSS receiver 1 and are ejectably mounted on the connecting mechanism 21; the number of the at least two ejectable compression airbags 24 can be 2-4, for example, 2, 3, 4 or more ejectable compression airbags 24 can be uniformly arranged in the circumferential direction of the connecting mechanism 21, so that the ejectable compression airbags 24 can surround the GNSS receiver 1 after being opened, so as to buffer and absorb shock of the GNSS receiver 1 and protect the GNSS receiver from being damaged; as shown in the structure of fig. 1, the connecting mechanism 21 is provided with grooves 212 corresponding to the ejectable compression air bags 24 one by one, and the ejectable compression air bags 24 are accommodated in the corresponding grooves 212; by arranging the ejectable compression airbag 24 in the groove 212 of the connecting mechanism 21, the ejectable compression airbag 24 can be prevented from affecting the normal operation of the GNSS receiver 1, and meanwhile, the ejectable compression airbag 24 can be prevented from being abnormally opened or lost;
the acceleration detection unit 23 is configured to detect a motion acceleration of the GNSS receiver 1, and send a detected acceleration signal to the controller 22; as shown in fig. 1 and fig. 3, the acceleration detecting unit 23 is mounted on the connecting mechanism 21, and is fixedly connected to the GNSS receiver 1, and can detect the acceleration information of the GNSS receiver 1 in real time, and the acceleration detecting unit 23 may be an acceleration sensor, such as: a three-axis acceleration sensor; detecting the absolute values of the acceleration of the current GNSS receiver 1 in three directions by an acceleration detection unit 23, and transmitting the information to the controller 22 in real time;
according to the received acceleration signal, the controller 22 determines that the GNSS receiver 1 is in a normal state or a falling state; as shown in the structures of fig. 3 and 4, the controller 22 receives the acceleration signal detected by the acceleration detection unit 23, and compares the acceleration signal with a preset acceleration threshold to determine whether the GNSS receiver 1 is in a normal state or a falling state; when the controller 22 determines that the GNSS receiver 1 is in a falling state, the controller 22 generates an activation signal for controlling the pop-up airbag 24 to open, so that the pop-up airbag 24 pops up and inflates to form a protection device of the GNSS receiver 1 and protect the GNSS receiver 1.
When the damping device 2 is mounted on the GNSS receiver 1, the connection mechanism 21 is used as an intermediate mounting structure between the GNSS receiver 1 and the base 3, and can be fixedly connected with the GNSS receiver 1 and the base 3 through a screw 211 or a threaded hole provided on the connection mechanism 21, and when the GNSS receiver 1 is in a transportation process, the connection mechanism 21 can be fixedly mounted together; the acceleration of the GNSS receiver 1 can be detected in real time by the acceleration detection unit 23, the acceleration detection unit 23 sends the detected acceleration value to the controller 22, the controller 22 compares the received acceleration value with a preset acceleration threshold value, when the actual acceleration of the GNSS receiver 1 is greater than or equal to the preset acceleration threshold, the controller 22 determines that the GNSS receiver 1 is in a falling state, and controls the ejectable compression airbag 24 to open, the interior of the compression air bag 24 can be popped up for instantaneous inflation, the inflation time can reach 0.5s, the compression air bag 24 can be popped up for instantaneous expansion, so that the compression air bag 24 can be popped up to wrap the GNSS receiver 1, when the GNSS receiver 1 falls down to the ground 4, the ejectable compression air bag 24 with expanded volume firstly lands on the ground, so that the GNSS receiver 1 can be prevented from directly contacting the ground 4, and the GNSS receiver 1 can be buffered, and the impact force when the GNSS receiver falls down to the ground can be reduced. As shown in the structure of fig. 2, when the GNSS receiver 1 falls down on the ground 4 carelessly, no matter which angle the GNSS receiver impacts the ground 4 first, the compression airbag 24 can be ejected to contact the ground 4 first, so that the GNSS receiver 1 does not impact the ground 4 directly.
The damping device 2 is installed at the bottom of the GNSS receiver 1 through the connecting mechanism 21, the acceleration detecting unit 23 is adopted to detect the acceleration of the GNSS receiver 1, the controller 22 judges whether the GNSS receiver 1 is in a falling state according to the acceleration signal detected by the acceleration detecting unit 23, and controls the popping compression airbag 24 to be opened when the GNSS receiver 1 is judged to be in the falling state, the instant inflation and expansion of the popping compression airbag 24 can be realized, and the periphery of the GNSS receiver 1 is surrounded, the GNSS receiver 1 in the falling process is actively damped and buffered, the vibration of the GNSS receiver 1 caused by impact force in the falling process is buffered, the buffering and damping of the GNSS receiver 1 are realized, the damage of the GNSS receiver 1 due to the falling is avoided, and the maintenance cost is saved.
In the above-described damper device 2, as shown in fig. 4, the pop-up compression airbag 24 may include an airbag, a gas generator 241 provided in the airbag, and an airbag controller 242 connected to a switch of the gas generator 241; the air bag controller 242 is in signal connection with the controller 22 and is electrically connected with the power supply 25 for controlling the switch of the gas generator 241 to be turned on when receiving the turn-on signal of the controller 22.
The above-described ejectable compression balloon 24 is not limited to the above-described configuration, and any other technically mature balloon configuration capable of rapid inflation may be employed, and will not be described in detail herein.
It should be noted that the volume of the ejectable compression balloon 24 after inflation can be set according to the size of the GNSS receiver 1, so that whether the inflated ejectable compression balloon 24 can prevent the GNSS receiver 1 from contacting the ground 4 when the GNSS receiver is on the ground.
Example two
The embodiment of the present application further provides a GNSS receiver 1, where the GNSS receiver 1 includes any one of the shock absorbing devices 2 in the above embodiments, and the connecting mechanism 21 of the shock absorbing device 2 is fixedly installed at the bottom of the GNSS receiver 1. As shown in the structure of fig. 1, the damping device 2 may include a connection mechanism 21, and is fixedly mounted on the bottom of the GNSS receiver 1 through the connection mechanism 21; when the GNSS receiver 1 falls down carelessly, the damping device 2 is mounted at the bottom of the GNSS receiver 1, so that the damping device 2 can land first, the hidden danger that the GNSS receiver 1 lands first is avoided, and the GNSS receiver 1 can be protected comprehensively.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A damping device for a GNSS receiver is characterized by comprising a connecting mechanism, a controller, an acceleration detection unit, a power supply and at least two ejectable compression airbags; wherein:
the acceleration detection unit and the controller are both fixedly arranged on the connecting mechanism;
the power supply is detachably arranged on the connecting mechanism and is electrically connected with the acceleration detecting unit, the controller and the ejectable compression air bag;
at least two ejectable compression air bags are uniformly distributed along the circumferential direction of the GNSS receiver and can be mounted on the connecting mechanism in an ejectable manner;
the controller is in signal connection with both the acceleration detection unit and the ejectable compression air bag;
the acceleration detection unit is used for detecting the motion acceleration of the GNSS receiver and sending a detected acceleration signal to the controller;
and according to the received acceleration signal, the controller judges whether the GNSS receiver is in a normal state or a falling state, and when the controller judges that the GNSS receiver is in the falling state, the controller generates an opening signal for controlling the ejectable compression airbag to open.
2. The shock absorbing device according to claim 1, wherein the ejectable compression balloon comprises a balloon, a gas generator disposed within the balloon, and a balloon controller connected to a switch of the gas generator;
the air bag controller is in signal connection with the controller, is electrically connected with the power supply and is used for controlling the switch of the gas generator to be turned on when receiving the starting signal of the controller.
3. The device according to claim 2, wherein the connection mechanism is a tray-like structure provided with a screw at the top for fixedly connecting the GNSS receiver and a threaded hole at the bottom.
4. The shock absorbing device as claimed in claim 3, wherein the connecting mechanism is provided with one-to-one corresponding grooves for the ejectable compression bladders, and the ejectable compression bladders are received in the corresponding grooves.
5. The damping device according to claim 4, characterized in that the acceleration detection unit is an acceleration sensor.
6. The damping device according to claim 5, characterized in that the acceleration detection unit is a triaxial acceleration sensor.
7. The cushioning device of claim 6, wherein said controller is a microprocessor.
8. The cushioning device of claim 7, wherein said attachment mechanism is made of a rigid material.
9. A shock absorbing device as claimed in any one of claims 1 to 8, wherein there are 2 to 4 of said at least two ejectable compression pockets.
10. A GNSS receiver comprising a damping device according to any one of claims 1 to 9, wherein said attachment mechanism of said damping device is fixedly mounted to the bottom of said GNSS receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741132.4U CN211180220U (en) | 2019-10-17 | 2019-10-17 | GNSS receiver and damping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741132.4U CN211180220U (en) | 2019-10-17 | 2019-10-17 | GNSS receiver and damping device thereof |
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| Publication Number | Publication Date |
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| CN211180220U true CN211180220U (en) | 2020-08-04 |
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| CN201921741132.4U Active CN211180220U (en) | 2019-10-17 | 2019-10-17 | GNSS receiver and damping device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193875A (en) * | 2021-05-12 | 2021-07-30 | 李鑫男 | Automatic 5G signal receiving device of protection |
| CN115654064A (en) * | 2022-12-09 | 2023-01-31 | 江苏智泰新能源科技有限公司 | Shock-absorbing structure for household portable power supply |
-
2019
- 2019-10-17 CN CN201921741132.4U patent/CN211180220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193875A (en) * | 2021-05-12 | 2021-07-30 | 李鑫男 | Automatic 5G signal receiving device of protection |
| CN115654064A (en) * | 2022-12-09 | 2023-01-31 | 江苏智泰新能源科技有限公司 | Shock-absorbing structure for household portable power supply |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220715 Address after: 102600 No.9, Kangzhuang Road, Daxing District, Beijing Patentee after: CHINA RAILWAY FIFTH SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. Patentee after: China Railway Construction Corporation Limited Address before: 102600 No.9, Kangzhuang Road, Daxing District, Beijing Patentee before: CHINA RAILWAY FIFTH SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220810 Address after: 102600 No.9, Kangzhuang Road, Daxing District, Beijing Patentee after: CHINA RAILWAY FIFTH SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. Patentee after: CHINA RAILWAY CONSTRUCTION Corp.,Ltd. Address before: 102600 No.9, Kangzhuang Road, Daxing District, Beijing Patentee before: CHINA RAILWAY FIFTH SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |