CN113073887A - Intelligent remote control parking space lock control device without standby power - Google Patents
Intelligent remote control parking space lock control device without standby power Download PDFInfo
- Publication number
- CN113073887A CN113073887A CN202110333660.1A CN202110333660A CN113073887A CN 113073887 A CN113073887 A CN 113073887A CN 202110333660 A CN202110333660 A CN 202110333660A CN 113073887 A CN113073887 A CN 113073887A
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- detection
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- remote control
- inclined plane
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/42—Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices, monitoring and operating schemes; centering devices
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/042—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage for controlling access to an individual parking space
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The invention discloses an intelligent remote control parking space lock control device without using electricity in a standby state, which comprises a detection device, wherein the detection device comprises a detection belt, a groove is formed in the detection belt, a trigger pressing plate is arranged at the upper part of the detection belt, a plurality of micro switches, a plurality of spring positioning pins and springs are arranged in the groove of the detection belt, the micro switches are connected by adopting an OR gate, a plurality of spring seats assembled with the springs are fixed on the lower plane of the trigger pressing plate, and when the trigger pressing plate is pressed, the trigger pressing plate extrudes the springs and moves downwards to touch the micro switches, so that the micro switches are switched on. The invention solves the problem that the parking spot lock consumes power when standby and does not use batteries or other electric energy (when standby), prolongs the service life of the batteries, enables the remote control electronic system to use power as required, reduces the workload of battery maintenance, saves energy, protects environment, improves the working reliability of electronic components, and reduces the use cost of users.
Description
Technical Field
The invention relates to the technical field of intelligent locks, in particular to an intelligent remote control parking space lock control device which is standby without using electricity.
Background
The private parking spot lock uses a battery as a working power supply at present because of the limitation of the use environment. For the alkaline high-capacity special dry battery, 65 yuan is needed for purchasing 4 batteries (the batteries are frequently replaced), and a storage battery (which is charged every 3 months) or a lithium battery (which still needs to be charged) with higher price is purchased. The service cycle and the life-span of battery are short, and use cost is high and is the sale of parking stall lock and the short board that the user used, therefore the life cycle and the life-span of extension battery of reasonable application limited electric energy are very important. On average, the private parking lock counts 20 times per day (which is generally not possible to be so frequent), and the working time of the existing technology is added up to 4 minutes in total, but 24 hours of power consumption standby is needed. The standby time is at least 360 times of the working time, so that limited electric energy is not fully utilized, an electronic system of the battery also needs to work day and night, the service life and the period of the battery which consumes electricity day and night are naturally shortened, and the probability of the electronic element failure is increased.
Disclosure of Invention
The invention aims to make up for the defects of the prior art and provides an intelligent remote control parking space lock control device which is standby and does not use electricity.
The invention is realized by the following technical scheme:
the utility model provides a standby does not have intelligent remote control parking stall lock controlling means of electricity, including detection device, detection device including detecting the area, be equipped with the recess in detecting the area, install on detecting area upper portion and trigger the clamp plate, install a plurality of micro-gap switch, a plurality of spring locating pin, spring holder and spring in detecting the recess in area, a plurality of micro-gap switch adopt or the door to connect, be fixed with a plurality of spring holders together with the spring assembly at the downside that triggers the clamp plate, when triggering the clamp plate and being pressed, trigger the clamp plate and extrude the spring and move down 3 millimeters, touch micro-gap switch makes the micro-gap switch-on.
The detection belt is a concave groove iron plate, and a plurality of rubber positioning blocks are fixed on the outer walls of the front side and the rear side of the detection belt at intervals respectively.
The trigger pressing plate is a splayed part made of an iron plate and comprises a horizontal plane and left and right side inclined planes, the horizontal plane is positioned right above the detection belt, the length of the trigger pressing plate is equal to that of the detection belt, and the width of the horizontal plane is 2 mm larger than the width of the detection belt; the trigger pressure plate is wrapped with a rubber layer.
A plurality of positioning sleeves for controlling the positions of the trigger pressing plates are uniformly distributed in the grooves of the detection belt, and a plurality of positioning pins which are movably matched with the positioning sleeves of the trigger pressing plates are arranged on the lower plane of the trigger pressing plates.
The detection belt and the front side and the rear side of the trigger pressing plate are respectively fixed with a first triangular inclined plane rubber block, the upper end of the first triangular inclined plane rubber block is flush with the front side and the rear side of the trigger pressing plate, and the bottom surface of the first triangular inclined plane rubber block is flush with the front side and the rear side of the bottom surface of the detection belt and is fixed on the ground. (with rubber locating piece to ensure its installation is correct)
The two same detection devices form a detection belt, the two detection devices are arranged in parallel along the length direction, and the two trigger pressing plates at the top are in flexible connection through a rubber connecting belt (the rubber connecting belt connects the two trigger pressing plates together through glue and a self-tapping screw); the two detection belts at the bottom are connected through a connecting plate, wherein the connecting plate and the detection belts are respectively provided with a positioning pin hole, and the positioning pin holes of the connecting plate and the detection belts are connected together through positioning pins and then fastened by M6 screws.
After the two detection devices are fixed together, a second triangular inclined plane rubber block is fixed at the left end and the right end of the detection devices which are arranged side by side respectively, the upper end of the second triangular inclined plane rubber block is flush with the left end and the right end of the trigger pressing plate, and the bottom surface of the second triangular inclined plane rubber block is flush with the left end and the right end of the bottom surface of the detection belt and is fixed on the ground.
The bottom surface included angle of the first triangular inclined plane rubber block is 29 degrees, and the bottom surface included angle of the second triangular inclined plane rubber block is 20.6 degrees.
The bottom of the detection belt is fixed on the ground by using M10 expansion screws; the first triangular inclined plane rubber block and the second triangular inclined plane rubber block are both fixed on the ground by M8 self-tapping screws; the rubber positioning block is fixed on two sides of the detection belt by M3 self-tapping screws.
And a waterproof chip box is arranged in the groove of the detection belt of one detection device.
The invention has the advantages that: the invention solves the problem that the parking spot lock consumes power when standby and does not use batteries or other electric energy (when standby), prolongs the service life of the batteries, enables the remote control electronic system to use power as required, reduces the workload of battery maintenance, saves energy, protects environment, improves the working reliability of electronic components, and reduces the use cost of users.
Drawings
FIG. 1 is a top view of the present invention.
FIG. 2 is a cross-sectional view of the invention A-A.
FIG. 3 is a cross-sectional view of the invention B-B.
FIG. 4 is a schematic view of the installation of the parking space and the control device of the present invention.
Fig. 5 is a schematic diagram of the application of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, an intelligent remote control parking space lock control device without standby power supply comprises a detection device 1, wherein the detection device 1 comprises a detection belt 2, a groove is arranged in the detection belt 2, a trigger pressing plate 3 is arranged on the upper portion of the detection belt 2, a plurality of micro switches 4, a plurality of spring positioning pins 5, a spring 6 and a spring seat 7 are arranged in the groove of the detection belt 2, as shown in fig. 2, part of the spring and the spring seat are omitted in fig. 2, the spring positioning pins 5 are used for positioning the spring 6, the micro switches 4 are connected through an or door, a plurality of spring seats 7 assembled with the spring 6 are fixed on the lower plane of the trigger pressing plate 3, when the trigger pressing plate 3 is pressed, the trigger pressing plate 3 extrudes the spring 6 and moves down by 3 millimeters, and the micro switches 4 are switched on.
The detection belt 2 is a concave groove iron plate, and a plurality of rubber positioning blocks 8 are fixed on the outer walls of the front side and the rear side of the detection belt 2 at intervals respectively.
The trigger pressing plate 3 comprises a horizontal plane and left and right side inclined planes, and is a splayed part made of an iron plate, the horizontal plane is positioned right above the detection belt 2, the length of the trigger pressing plate 3 is equal to that of the detection belt 2, and the width of the horizontal plane is 2 mm wider than that of the detection belt 2; the trigger press plate 3 is covered with a rubber layer 9.
A plurality of trigger press plate locating sleeves 10 are arranged in the grooves of the detection belt 2, a plurality of trigger press plate locating pins 11 assembled with the trigger press plate locating sleeves 10 are arranged on the lower plane of the trigger press plate 3, and the locating sleeves are in movable fit with the locating pins.
The front side and the rear side of the detection belt 2 and the trigger pressing plate 3 are respectively fixed with a triangular inclined plane rubber block I12, the upper end of the triangular inclined plane rubber block I12 is flush with the front side and the rear side of the trigger pressing plate 3, and the bottom surface of the triangular inclined plane rubber block I12 is flush with the front side and the rear side of the bottom surface of the detection belt 2 and is fixed on the ground. (with rubber locating piece to ensure its installation is correct)
The device comprises two identical detection devices 1, wherein the two detection devices 1 are arranged in parallel along the length direction, and two trigger pressing plates 3 at the top are in flexible connection through a rubber connecting belt 13 (the rubber connecting belt connects the two trigger pressing plates together through glue and a self-tapping screw); the two detection belts 2 at the bottom are connected through a connecting plate 14, the connecting plate 14 and the detection belts 2 are respectively provided with a positioning pin hole, and the positioning pin holes of the connecting plate 14 and the detection belts 2 are connected together through positioning pins and then fastened by M6 screws.
After the two detection devices 1 are fixed together, the left end and the right end of the detection devices 1 which are arranged side by side are respectively fixed with a second triangular inclined plane rubber block 15, the upper end of the second triangular inclined plane rubber block 15 is flush with the left end and the right end of the trigger pressing plate 3, and the bottom surface of the second triangular inclined plane rubber block 15 is flush with the left end and the right end of the bottom surface of the detection belt 2 and is fixed on the ground.
The included angle of the bottom surface of the first triangular inclined plane rubber block 12 is 29 degrees, and the included angle of the bottom surface of the second triangular inclined plane rubber block 15 is 20.6 degrees.
The bottom of the detection belt 2 is fixed on the ground by an M10 expansion screw; the first triangular inclined plane rubber block 12 and the second triangular inclined plane rubber block 15 are both fixed on the ground by M8 self-tapping screws; the rubber positioning block 8 is fixed on two sides of the detection belt by M3 self-tapping screws.
A waterproof chip box is arranged in the detection belt groove of one detection device 1.
In actual use, two detection devices 1 are fixedly connected in parallel, and the total length is 2.624 m (the length of each detection device is 1.312 m), the total width is 0.235 m, and the height is 0.035 m. The shape of the speed bump is similar to that of a speed bump which is widely used at present. Totally, 6 triangular inclined plane rubber blocks, 1 rubber connecting belt 13, 12 rubber positioning blocks 8, two detection belts 2, two trigger pressing plates 3 and 1 connecting plate 14 are arranged, and the description is as follows:
the function of the first and the 6 triangular inclined plane rubber blocks is to ensure that the vehicle can roll along the angle of the triangular inclined plane rubber block to trigger the pressing plate when rolling the detection device in any direction and has a certain waterproof function. The triangular inclined plane rubber blocks have two kinds, wherein the number of small blocks is 2, and the number of large blocks is 4. The small blocks are triangular inclined plane rubber blocks II and 15 which are arranged at two ends of the detection device in the length direction, the length direction of the triangular inclined plane rubber blocks II and 15 has an angle of 29 degrees, the triangular inclined plane rubber blocks II and 15 are 62 mm long and 235 mm wide, and the highest point of the small rubber block with the angle of 29 degrees is 35 mm. 4 big blocks of rubber blocks, namely the first triangular inclined plane rubber blocks and 12 are arranged on two sides of the detection device 1 in the width direction, the 4 first triangular inclined plane rubber blocks and 12 are also identical, the 4 first triangular inclined plane rubber blocks and 12 have an angle of 20.6 degrees in the width direction, the length is 1250 millimeters, the width is 82 millimeters, the height direction has an angle of 20.6 degrees, and the highest points of the 4 first triangular inclined plane rubber blocks and 12 are 31 millimeters. The 6 triangular inclined rubber blocks are fixed to the ground by M8 tapping screws with 2 test strips 2 as the center and the peripheries of the test strips 2 respectively. The rubber connecting belt 13 is 1, 200 mm long and 74 mm wide and 3 mm thick, and M3 tapping screws and glue are used for connecting 2 trigger pressing plates 3 together, so that mechanical interference (holding strength) is avoided under the condition that the 2 trigger pressing plates 3 do not move downwards at the same time when being subjected to different rolling forces, and the rubber connecting belt 13 is a soft connecting fitting; 12 rubber positioning blocks 8, 200 mm long, 15 mm wide and 18 mm high, 3 rubber positioning blocks 8 are fixed on two sides of each detection belt 2 respectively by M3 self-tapping screws, and the function of the rubber positioning block is to ensure that 4 triangular inclined plane rubber blocks I are accurate in position when fixedly mounted along the periphery of the detection belt.
The structure of 2 detection belts 2 is completely the same, an iron plate with the thickness of 4 mm is made into a concave groove, and 2 micro switches 4 with KW3A are arranged in the groove with the width of 48 mm, the length of 1250 mm and the height of 25 mm; 4 springs 5; 4 spring locating pins 6; 2 trigger press plate locating sleeves 10; the function of the trigger press plate locating sleeve 10 is to ensure that the trigger press plate 3 is always kept not to displace in any direction with the position of the detection belt when being rolled, and simultaneously, the trigger press plate locating sleeve also plays a role in increasing the mechanical strength of the detection belt. The bottom of the test strip 2 has 2 holes with 12 mm diameter for fixing the test strip on the ground. It should be noted that only 1 waterproof chip box and chip printed circuit board that control battery power transmission as required are in 2 detection zones 2, and circuit board length 60 millimeters, width 24 millimeters, thickness 35 millimeters, because 2 detection zones 2 structure is the same can adorn in one of them detection zone wantonly, is connected with the battery in the intelligent remote control parking stall lock through the wire hole on the detection zone.
And the trigger press plate 3 is arranged on the detection belt and is matched with the detection belt 2 to form 2 strips with the same structure, an iron plate with the thickness of 4 mm is made into a splayed shape, the length is 1250 mm, the total width (including two inclined planes) is 70 mm, and the height is 7 mm. The lower plane is provided with 4 spring seats 7; 2 trigger pressing plate locating pins 11 are respectively assembled with a locating sleeve 10 of the trigger pressing plate in the detection zone in a movable fit mode. The outside of the trigger pressing plate 3 is wrapped with a rubber layer 9 with the thickness of 3 mm, so that the waterproof and shock-absorbing effects are achieved.
And fourthly, the connecting plate 14 is arranged at the bottom of the detection belt 2 and has the function of ensuring that the two detection belts 2 are accurately positioned on a central line when connected together. The total 1 connecting plate is made of 4 mm iron plates, 204 mm long and 39 mm wide, and is provided with 2 positioning pin holes which are connected with positioning pin holes on the detection belt through positioning pins and then fastened by M6 screws.
The working principle of the detection device is as follows:
as shown in fig. 4 and 5, four micro switches 4 are arranged in the detection belt 2, and between the micro switches, or gate relation is formed between the micro switches and the detection belt, the micro switches control the positive pole of the battery assembly 16 of the intelligent remote control parking space lock 21. The vehicle 17 rolls the trigger pressing plate 3 when parking into the parking space 18 or leaving the parking space 18, the trigger pressing plate 3 moves downwards by 3 millimeters to touch the micro switch 4, the micro switch 4 is closed to supply power to the power control chip 19 of the intelligent remote control parking space lock 21, the power control chip 19 works after being electrified and supplies power to the positive electrode and the negative electrode of the electronic mainboard 20 of the intelligent remote control lock, and the intelligent remote control lock 21 can be unlocked and fall according to the sensor controlled by the driver. When the vehicle 17 leaves the parking space, the intelligent remote control parking space lock automatically locks and rises. In order to avoid the false action of treading and rolling of the detection device by people, 8 springs 6 are uniformly arranged in the detection device and installed below two trigger pressing plates 3, the springs 6 can start to compress and move downwards after the pressure load exceeds 150 kilograms, the springs 6 are used for only rolling the trigger pressing plates 3 by a car, the trigger pressing plates 3 can move downwards by 3 millimeters to touch the micro switch 4, and the micro switch 4 can be closed to supply power to a power control chip of the intelligent remote control parking stall lock 21. When people and other articles trample and roll the trigger pressing plate 3, the spring 6 below the trigger pressing plate can not be compressed, the trigger pressing plate 3 can not move down to touch the micro switch 4, and the power supply control chip has no electric potential lock and can not be powered.
When a vehicle 17 is parked in a parking space, a trigger pressing plate 3 of a detection device 1 is rolled, a spring 6 below the trigger pressing plate 3 is triggered, the spring 6 deforms and moves downwards under the action of gravity of the vehicle to enable a movable trigger plate to touch a micro switch 4 along with moving downwards by 3 mm, the micro switch 4 is closed to supply power to a power supply control chip 19, the power supply control chip 19 is electrified to automatically start timing work for 8 minutes, the intelligent remote control lock supplies power to an electronic main board 20 of the intelligent lock, the intelligent remote control lock receives an induction signal under the control of a driver, the intelligent remote control lock 21 is unlocked and falls, and the driver parks and waits for about 10 seconds to park and parks in the parking space after the unlocking action. And (the locking and unlocking time is less than or equal to 6 seconds) when the power management control chip cuts off the working power supply of the intelligent remote control lock in 8 minutes, the mainboard of the intelligent remote control lock is powered off at the same time, and all systems of the intelligent remote control lock recover to a power-off standby state. The working time of 8 minutes is set to ensure that the intelligent remote control lock can complete the action of automatically locking the parking space after the vehicle leaves the parking space.
Claims (10)
1. The utility model provides a standby does not have intelligent remote control parking stall lock controlling means of electricity which characterized in that: including detection device, detection device including detecting the area, be equipped with the recess in detecting the area, install the trigger clamp plate on detecting area upper portion, install a plurality of micro-gap switch, a plurality of spring locating pin, spring holder and spring in detecting the recess in area, a plurality of micro-gap switch adopt or the door to connect, the lower plane of triggering the clamp plate is fixed with a plurality of spring holders together with the spring assembly, when triggering the clamp plate and being pressed, trigger the clamp plate extrusion spring and move down, touch micro-gap switch makes the micro-gap switch-on.
2. The intelligent remote control parking space lock control device without using electricity in standby according to claim 1, characterized in that: the detection belt is a concave groove iron plate, and a plurality of rubber positioning blocks are fixed on the outer walls of the front side and the rear side of the detection belt at intervals respectively.
3. The intelligent remote control parking space lock control device without using electricity in standby according to claim 2, characterized in that: the trigger pressing plate is a splayed part made of an iron plate and comprises a horizontal plane and left and right side inclined planes, the horizontal plane is positioned right above the detection belt, the length of the trigger pressing plate is equal to that of the detection belt, and the width of the horizontal plane is 2 mm larger than the width of the detection belt; the trigger pressure plate is wrapped with a rubber layer.
4. The intelligent remote control parking space lock control device without using electricity in standby according to claim 3, characterized in that: a plurality of trigger press plate locating sleeves are arranged in the groove of the detection belt at intervals, and a plurality of trigger press plate locating pins assembled with the trigger press plate locating sleeves are arranged on the lower plane of the trigger press plate.
5. The intelligent remote control parking space lock control device without using electricity in standby according to claim 4, characterized in that: the detection belt and the front side and the rear side of the trigger pressing plate are respectively fixed with a first triangular inclined plane rubber block, the upper end of the first triangular inclined plane rubber block is flush with the front inclined plane and the rear inclined plane of the trigger pressing plate, and the bottom surface of the first triangular inclined plane rubber block is flush with the front side and the rear side of the bottom surface of the detection belt and is fixed on the ground.
6. The intelligent remote control parking space lock control device without using electricity in standby according to claim 5, characterized in that: the device comprises two identical detection devices which are arranged in parallel along the length direction, and two trigger pressing plates at the top are in flexible connection through a rubber connecting belt; the bottoms of the two detection belts are connected together through a connecting plate, the connecting plate and the detection belts are respectively provided with a positioning pin hole, and the positioning pin holes of the connecting plate and the detection belts are connected together through positioning pins and then fastened through M6 screws.
7. The intelligent remote control parking space lock control device without using electricity in standby according to claim 6, characterized in that: after two detection devices are fixedly connected together, a triangular inclined plane rubber block II is respectively fixed at the left end and the right end of the connected detection devices, the upper end of the triangular inclined plane rubber block II is flushed with the left end and the right end of the trigger pressing plate, and the bottom surface of the triangular inclined plane rubber block II is flushed with the left end and the right end of the bottom surface of the detection belt and is fixed on the ground.
8. The intelligent remote control parking space lock control device without using electricity in standby according to claim 7, characterized in that: the bottom surface included angle of the first triangular inclined plane rubber block is 29 degrees, and the bottom surface included angle of the second triangular inclined plane rubber block is 20.6 degrees.
9. The intelligent remote control parking space lock control device without using electricity in standby according to claim 8, characterized in that: the bottom of the detection belt is fixed on the ground by using M10 expansion screws; the first triangular inclined plane rubber block and the second triangular inclined plane rubber block are fixed on the ground by M8 self-tapping screws; the rubber positioning block is fixed on two sides of the detection belt by M3 self-tapping screws.
10. The intelligent remote control parking space lock control device without using electricity in standby according to claim 7, characterized in that: and a waterproof chip box is arranged in the groove of the detection belt of one detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110333660.1A CN113073887A (en) | 2021-03-29 | 2021-03-29 | Intelligent remote control parking space lock control device without standby power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110333660.1A CN113073887A (en) | 2021-03-29 | 2021-03-29 | Intelligent remote control parking space lock control device without standby power |
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| CN113073887A true CN113073887A (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110333660.1A Pending CN113073887A (en) | 2021-03-29 | 2021-03-29 | Intelligent remote control parking space lock control device without standby power |
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| KR100811741B1 (en) * | 2007-03-02 | 2008-03-11 | 지엘시스텍주식회사 | Automatic parking management system |
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| CN204982715U (en) * | 2015-06-18 | 2016-01-20 | 重庆交通大学 | Bridge load limit device |
| CN207974599U (en) * | 2018-01-11 | 2018-10-16 | 湖南天桥利亨停车装备有限公司 | A kind of too low detection alarm set in chassis |
| CN108915318A (en) * | 2018-09-26 | 2018-11-30 | 翁晓安 | A kind of stopping on hill device |
| CN208266745U (en) * | 2018-04-10 | 2018-12-21 | 杭州懒陈鑫网络科技有限公司 | A kind of intelligent space lock with shock-absorbing function |
| CN111335199A (en) * | 2018-12-18 | 2020-06-26 | 陈思绮 | Power generation deceleration strip device capable of being used as barrier gate |
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2021
- 2021-03-29 CN CN202110333660.1A patent/CN113073887A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100811741B1 (en) * | 2007-03-02 | 2008-03-11 | 지엘시스텍주식회사 | Automatic parking management system |
| CN102587306A (en) * | 2012-02-22 | 2012-07-18 | 绍兴文理学院 | Intelligent roadblock device for vehicle weight limitation |
| CN204982715U (en) * | 2015-06-18 | 2016-01-20 | 重庆交通大学 | Bridge load limit device |
| CN207974599U (en) * | 2018-01-11 | 2018-10-16 | 湖南天桥利亨停车装备有限公司 | A kind of too low detection alarm set in chassis |
| CN208266745U (en) * | 2018-04-10 | 2018-12-21 | 杭州懒陈鑫网络科技有限公司 | A kind of intelligent space lock with shock-absorbing function |
| CN108915318A (en) * | 2018-09-26 | 2018-11-30 | 翁晓安 | A kind of stopping on hill device |
| CN111335199A (en) * | 2018-12-18 | 2020-06-26 | 陈思绮 | Power generation deceleration strip device capable of being used as barrier gate |
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Application publication date: 20210706 |
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