CN205158656U - Parking stall state information display device and system thereof - Google Patents
Parking stall state information display device and system thereof Download PDFInfo
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- CN205158656U CN205158656U CN201520963414.4U CN201520963414U CN205158656U CN 205158656 U CN205158656 U CN 205158656U CN 201520963414 U CN201520963414 U CN 201520963414U CN 205158656 U CN205158656 U CN 205158656U
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Abstract
The utility model discloses a parking stall state information display device and system thereof, wherein the device includes: processing unit, the first signal connect / bill unit and status display unit, the first signal connects / the receipt external control signal of bill unit to processing unit is given in the transmission, and processing unit sends the parking stall state information of corresponding parking stall according to the control signal control status display unit of receiving, the status display unit can show at least the parking stall idle state information, make an appointment state information and occupy state information. The utility model discloses a parking stall state occupies, books, idle different representing method, can make an appointment parking stall etc. With the internet access.
Description
Technical field
The utility model relates to parking position state display field, particularly relates to a kind of parking space state information display device and system thereof.
Background technology
At present, for the device of parking position status information display, generally be made up of dual-colored LED lamp (red, green) and geomagnetism detecting control device or video detection control, LED accepts the control information that detection system transmits, when red when having car to stop, without green light during car, to give parking car owner suggesting effect.It is the detection display device of a set of local non-networked.
Because the combination of parking lot business and internet is day by day tight, internet client adds that such as parking stall makes a reservation for, VIP parking stall makes a reservation for, the business demand of Vehicle locking, vehicle remote monitoring, and traditional device can not meet the needs of business.The functional defect of existing equipment is mainly manifested in: 1, existing apparatus is the device of non-networked, cannot accept the information from internet.2, existing equipment cannot represent that parking stall is by the state of subscribing; 3, predetermined specifying information content cannot be shown; 4, when there being rule-breaking vehicle to take, the car owner that mistake is stopped cannot be notified.
Utility model content
Fundamental purpose of the present utility model for provide a kind of can by online order and in the parking space state information display device of parking stall explicit reservation state and system thereof.
In order to realize above-mentioned utility model object, the utility model provides a kind of parking space state information display device, comprises processing unit, the first signal receives/sends unit and status display unit;
Described first signal receives/sends unit and receives external control signal, and is transferred to processing unit, and processing unit sends the parking space state information of corresponding parking stall according to the control signal state of a control display unit received;
Described status display unit at least can show the idle condition information on parking stall, subscription state information and seizure condition information.
Further, described status display unit comprises light modules, the light of this light modules independent transmission at least three kinds of colors; Or, the pilot lamp that multiple color is identical or different is set.
Further, described status display unit also comprises display module,
Described first signal receives/sends unit and receives outside display, and is transferred to processing unit, and processing unit controls display module display corresponding electronic characters, electronic pictures and/or video according to the display received.
Further, described status display unit also comprises audio-frequency module,
Described first signal receives/sends unit and receives external audio signal, and is transferred to processing unit, and processing unit controls audio-frequency module according to the sound signal received and plays corresponding audio content.
Further, described first signal receives/sends unit is that less radio-frequency connects/receive unit.
The utility model also provides a kind of parking space state information display system, comprises parking space state information display device and cascade Mach-Zehnder interferometer device;
Described parking space state information display device comprises processing unit, the first signal receives/sends unit and status display unit; Described first signal receives/sends the control signal that unit receives the transmission of described cascade unit, and is transferred to processing unit, and processing unit sends the parking space state information of corresponding parking stall according to the control signal state of a control display unit received; Described status display unit at least can show the idle condition information on parking stall, subscription state information and seizure condition information;
Described cascade Mach-Zehnder interferometer device comprises router unit and secondary signal receives/sends unit;
The router unit of described cascade Mach-Zehnder interferometer device receives the control command that network transmits, and send to secondary signal to receive/send unit, secondary signal receives/sends unit and control command is sent to the first signal of parking space state information display device to receive/send unit, first signal receives/sends unit and control command is sent to processing unit, and processing unit controls according to control command the parking space state information that described status display unit sends corresponding parking stall;
Described cascade Mach-Zehnder interferometer device also receives/sends unit by secondary signal and receives parking space state information display device and receive/send by the first signal the parking space state information that unit sends, and by router unit, this parking space state information is sent to network, for the parking space information of client by network inquiry parking lot.
Further, described status display unit comprises light modules, the light of this light modules independent transmission at least three kinds of colors; Or, the pilot lamp that multiple color is identical or different is set.
Further, described status display unit also comprises display module,
Described first signal receives/sends unit and receives outside display, and is transferred to processing unit, and processing unit controls display module display corresponding electronic characters, electronic pictures and/or video according to the display received.
Further, described status display unit also comprises audio-frequency module,
Described first signal receives/sends unit and receives external audio signal, and is transferred to processing unit, and processing unit controls audio-frequency module according to the sound signal received and plays corresponding audio content.
Further, described first signal receives/sends unit is that less radio-frequency connects/receive unit.
Parking space state information display device of the present utility model and system thereof, the status information of display parking stall that can be clear and definite, the information such as the display parking stall as can be clear and definite takies, make a reservation for, idle, solve existing parking lot and cannot show the drawback of subscribing parking stall; Can also be connected to the network, facilitate client to the understanding of Parking position, and carry out far-end operation by client, as parking stall reservation etc., easy to use.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the parking space state information display device of the utility model one embodiment;
Fig. 2 is the structured flowchart of the parking space state information display system of the utility model one embodiment;
Fig. 3 is the workflow diagram of the parking space state information display system of the utility model one specific embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, the parking space state information display device 100 of the utility model one embodiment is proposed, comprise processing unit 110, first signal and receive/send unit 120 and status display unit 140, and the power supply unit 130 powering to each unit, detect the parking stall vehicle detection module 144 of whether stopping and for common equipments such as the taking modules 145 that identifies the information such as vehicle license plate number, vehicle brand, model; Described first signal receives/sends unit 120 and receives external control signal, and is transferred to processing unit 110, and processing unit 110 sends the parking space state information of corresponding parking stall according to the control signal state of a control display unit 140 received; Above-mentioned status display unit 140 at least can show the idle condition information on parking stall, subscription state information and seizure condition information.
In the present embodiment, above-mentioned processing unit 110 is generally made up of processor, storer and peripheral circuit etc., can process to the received signal, and then sends to corresponding applying unit.It is the devices receiving external control signal that above-mentioned first signal receives/sends unit 120, such as external signal is the reservation signal on certain parking stall, so to first signal on parking stall unit 120 should be received/sent will receive control signal about reservation, then processed by processing unit 110.Above-mentioned status display unit 140 plays the unit of suggesting effect, parking stall can be demonstrated accurately and be in the status informations such as idle condition information, subscription state information or seizure condition information, the information on more parking stalls can be provided, instead of can only show idle and take two states information, facilitate parking lot business and internet connected applications, realize reservation parking stall etc.Above-mentioned vehicle detection module 144 for detecting on parking stall whether stop there is vehicle, and sends corresponding information to control module, and control module state of a control display unit 140 sends corresponding parking space state information; Above-mentioned taking module 145 can take the number-plate number etc. of getting on the car on parking stall, then contrast with reservation license number, when both are identical, then represent that reservation parking stall is taken by reservation vehicle, if both are different, then represent that reservation parking stall is taken by other vehicle, mistake can be sent out and think corresponding prompting, stop reminding to control center's transmission mistake in parking lot as received/sent unit 120 by the first signal.
In the present embodiment, above-mentioned status display unit 140 comprises light modules 141, the light of this light modules 141 independent transmission at least three kinds of colors; Or, the pilot lamp that multiple color is identical or different is set.Shown the status information of parking stall by the difference of light, intuitive display, control simple, what wherein can arrange the pilot lamp of different conditions according to actual conditions lights state.Such as, arrange the pilot lamp of three same colors above parking stall, a bright pilot lamp represents room, and bright two pilot lamp represent and take, and bright three pilot lamp represent that parking stall is with reservation etc.; Again such as, only arrange the pilot lamp of two different colours, a kind of pilot lamp of color so can be selected to light and represent that parking stall is idle, the pilot lamp of another kind of color lights and represents that parking stall takies, and two light simultaneously, represents that parking stall is preengage; Again such as, arrange the pilot lamp that three colors are different above parking stall, so the pilot lamp of each color can represent a kind of state, as red light represents that parking stall takies, green light represents that parking stall is idle, and amber light represents that parking stall is preengage.
In the present embodiment, above-mentioned status display unit 140 also comprises display module 142, described first signal receives/sends unit 120 and receives outside display, and is transferred to processing unit 110, and processing unit 110 controls display module 142 according to the display received and shows corresponding content.Above-mentioned display module 142 can be LED LED-lattice Control device and LED display composition, or the display screen composition that other controller is corresponding with it, the content of corresponding display can be shown, as picture, word, video etc., can the information of vehicles of explicit reservation vehicle, other can also be reminded not preengage vehicle and not to be parked in this parking stall etc.
In the present embodiment, above-mentioned status display unit 140 also comprises audio-frequency module 143, described first signal receives/sends unit 120 and receives external audio signal, and is transferred to processing unit 110, and processing unit 110 controls audio-frequency module 143 according to the sound signal received and plays corresponding audio content.Audio-frequency module 143 generally comprises voicefrequency circuit and loudspeaker, the sound signal of reception can be played back, and reminds the vehicle stopping wrong position to leave, again finds parking stall.
In the present embodiment, above-mentioned first signal receives/sends unit 120 for less radio-frequency receiving element, can wireless receiving and transmitting, the convenient reconstruction to existing parking lot, without the need to a large amount of wiring in reconstruction process, improve the use safety in parking lot, the manpower saving reconstruction exports, and reduces improvement cost etc.
In the present embodiment, above-mentioned processing unit 110, first signal receives/sends unit 120 and power supply unit 130 etc. and is arranged in waterproof case.Unit 120 and power supply unit 130 can be received/sent, to improve the serviceable life of parking space state information display device 100 by conservation treatment unit 110, first signal.
In one embodiment, the above-mentioned parking space state information display device 100 on a certain parking stall receives/sends unit 120 by the first signal and receives the subscription information sent outside, light controling signal is generally comprised in this subscription information, display etc., then processing unit 110 is transmitted to, processing unit 110 pairs of light controling signals, after the process such as display, send to the corresponding function module in status display unit 140, light modules 141 is such as made to light the amber light of representative reservation parking stall, simultaneously by the relevant information of display module 142 explicit reservation vehicle, as license plate number etc.When having other vehicle to take reservation parking stall when preengaging vehicle and not arriving, the control center in parking lot can find, and send sound signal to the parking space state information display device 100 on above-mentioned parking stall, then play by audio-frequency module 143, remind vehicle to stop position etc. of giving another the right of way, in the present embodiment, the control center in parking lot can find that the occupied method in reservation parking stall is a lot, as automatically contrasted acquisition by taking module, or found by the monitoring in parking lot, or make an inspection tour discovery etc. by Bao'an.
In the present embodiment, when the state on the parking stall of parking space state information display device 100 correspondence changes, corresponding renewal can be carried out and receive/send unit 120 by the first signal being sent on network, can be instant transmission, also can send according to the time interval of specifying.
The parking space state information display device 100 of the present embodiment, achieves that parking space state takies, makes a reservation for, idle different method for expressing; Concrete parking stall predetermined information can be shown, when generation rule-breaking vehicle takies, can report by voice mode the driver stopped to mistake by control center and sail out of parking stall; Parking space state information display device 100 is adaptable, can meet industrial environment application requirement, design cost is cheap, and generalization is strong, can substitute existing parking space state information display device 100 completely, and the needs meeting internet, applications for parking lot provide underlying device basis.
With reference to Fig. 2, the utility model embodiment also proposes a kind of parking space state information display system, comprises parking space state information display device 100 and cascade Mach-Zehnder interferometer device 200.
Above-mentioned parking space state information display device 100, comprise processing unit 110, first signal and receive/send unit 120 and status display unit 140, and the power supply unit 130 powering to each unit, detect the parking stall vehicle detection module 144 of whether stopping and for common equipments such as the taking modules 145 that identifies the information such as vehicle license plate number, vehicle brand, model; Described first signal receives/sends the control signal of unit 120 receiver stage control device 200, and is transferred to processing unit 110, and processing unit 110 sends the parking space state information of corresponding parking stall according to the control signal state of a control display unit 140 received; Above-mentioned status display unit 140 at least can show the idle condition information on parking stall, subscription state information and seizure condition information.Above-mentioned processing unit 110 is generally made up of processor, storer and peripheral circuit etc., can process to the received signal, and then sends to corresponding applying unit.It is the devices receiving external control signal that above-mentioned first signal receives/sends unit 120, such as external signal is the reservation signal on certain parking stall, so to first signal on parking stall unit 120 should be received/sent will receive control signal about reservation, then processed by processing unit 110.Above-mentioned status display unit 140 plays the unit of suggesting effect, parking stall can be demonstrated accurately and be in the status informations such as idle condition information, subscription state information and seizure condition information, the information on more parking stalls can be provided, instead of can only show idle and take two states information, facilitate parking lot business and internet connected applications, realize reservation parking stall etc.Above-mentioned vehicle detection module 144 for detecting on parking stall whether stop there is vehicle, and sends corresponding information to control module, and control module state of a control display unit 140 sends corresponding parking space state information; Above-mentioned taking module 145 can take the number-plate number etc. of getting on the car on parking stall, then contrast with reservation license number, when both are identical, then represent that reservation parking stall is taken by reservation vehicle, if both are different, then represent that reservation parking stall is taken by other vehicle, mistake can be sent out and think corresponding prompting, stop reminding to control center's transmission mistake in parking lot as received/sent unit 120 by the first signal.
Above-mentioned cascade Mach-Zehnder interferometer device 200, it is a kind of control device of one-to-many, such as cascade Mach-Zehnder interferometer device 200 correspondingly can control the parking space state information display device 100 of 200 or more, by the different id information that each parking space state information display device 100 has, control accurately.Above-mentioned cascade Mach-Zehnder interferometer device 200 comprises router unit 210 and secondary signal receives/sends unit 220, certainly also can arrange conventional equipment such as electric energy unit 230 grade; Router unit 210 generally comprises IP data protocol modular converter and FPDP module, wherein IP data protocol modular converter is generally that the IPv4 protocol data of procotol and the IPv6 protocol data of parking space state information display device 100 are carried out mutual parsing conversion, after the IPv4 data such as transmitted by network convert IPv6 data to, send to parking space state information display device 100 etc. being received/sent unit 220 by secondary signal.
In the present embodiment, above-mentioned router unit 210 receives the control command that network transmits, and send to secondary signal to receive/send unit 220, secondary signal receives/sends unit 220 and control command is sent to the first signal of parking space state information display device 100 to receive/send unit 120, first signal receives/sends unit 120 and control command is sent to processing unit 110, and processing unit 110 sends the parking space state information of corresponding parking stall according to control command state of a control display unit 140; Above-mentioned control device also by secondary signal receive/send unit 220 receive parking space state information display device 100 by the first signal receive/send unit 120 send parking space state information, and by router unit 210, this parking space state information is sent to network, for the parking space information of the parking stall person of needs by network inquiry parking lot.
The parking space state information display system of the present embodiment, cascade Mach-Zehnder interferometer device 200 not only receives network-based control order, the parking space state information that parking space state information display device 100 sends can be received simultaneously, and be published on that network is first-class treats that client carries out calling checking, issuing control order.Parking space state information display device 100, then can send to cascade Mach-Zehnder interferometer device 200 by parking space state information, and show idle condition information, the subscription state information and seizure condition information etc. on parking stall by status display unit 140.
In the present embodiment, above-mentioned status display unit 140 comprises light modules 141, the light of this light modules 141 independent transmission at least three kinds of colors; Or, the pilot lamp that multiple color is identical or different is set.Shown the status information of parking stall by the difference of light, intuitive display, control simple, what wherein can arrange the pilot lamp of different conditions according to actual conditions lights state.Such as, arrange the pilot lamp of three same colors above parking stall, a bright pilot lamp represents room, and bright two pilot lamp represent and take, and bright three pilot lamp represent that parking stall is with reservation etc.; Again such as, only arrange the pilot lamp of two different colours, a kind of pilot lamp of color so can be selected to light and represent that parking stall is idle, the pilot lamp of another kind of color lights and represents that parking stall takies, and two light simultaneously, represents that parking stall is preengage; Again such as, arrange the pilot lamp that three colors are different above parking stall, so the pilot lamp of each color can represent a kind of state, as red light represents that parking stall takies, green light represents that parking stall is idle, and amber light represents that parking stall is preengage.
In the present embodiment, above-mentioned status display unit 140 also comprises display module 142, described first signal receives/sends unit 120 and receives outside display, and is transferred to processing unit 110, and processing unit 110 controls display module 142 according to the display received and shows corresponding content.Above-mentioned display module 142 can be LED LED-lattice Control device and LED display composition, or the display screen composition that other controller is corresponding with it, the content of corresponding display can be shown, as picture, word, video etc., can the information of vehicles of explicit reservation vehicle, other can also be reminded not preengage vehicle and not to be parked in this parking stall etc.
In the present embodiment, above-mentioned status display unit 140 also comprises audio-frequency module 143, described first signal receives/sends unit 120 and receives external audio signal, and is transferred to processing unit 110, and processing unit 110 controls audio-frequency module 143 according to the sound signal received and plays corresponding audio content.Audio-frequency module 143 generally comprises voicefrequency circuit and loudspeaker, the sound signal of reception can be played back, and reminds the vehicle stopping wrong position to leave, again finds parking stall.
In the present embodiment, above-mentioned first signal receives/sends unit 120 for less radio-frequency receiving element, can wireless receiving and transmitting, the convenient reconstruction to existing parking lot, without the need to a large amount of wiring in reconstruction process, improve the use safety in parking lot, the manpower saving reconstruction exports, and reduces improvement cost etc.
In the present embodiment, above-mentioned processing unit 110, first signal receives/sends unit 120 and power supply unit 130 etc. and is arranged in waterproof case.Unit 120 and power supply unit 130 can be received/sent, to improve the serviceable life of parking space state information display device 100 by conservation treatment unit 110, first signal.
With reference to Fig. 3, in one embodiment, power on to respectively cascade controller and parking space state information display device 100.The IP port (FPDP module) of cascade Mach-Zehnder interferometer device 200, IP data protocol modular converter and secondary signal receive/send unit 220 initialization operation, and carry out IP and arrange and the setting of IP port; The processing unit 110 of parking space state information display device 100 and the first signal receive/send the parts such as unit 120 needs initialized unit to carry out initialization.Then, parking space state information display device 100 detects on parking stall whether stop there is vehicle, and receives/sends unit 120 by the information timed sending of this parking stall to cascade Mach-Zehnder interferometer device 200 by the first signal, cascade Mach-Zehnder interferometer device 200 connects the parking space information sent by the parking space state information display device 100 on each parking stall received, network is published on after the data protocol of parking space information being converted to the operable data protocol of network, check for client and call, then the control command of client is received, if fruit does not receive the control command of client, terminate and return, continue the control command waiting for client, if the control command of receiving, then the data protocol of control command is converted to the data that parking space state information display device 100 can identify and sends to parking space state information display device 100, after understanding by the IPv4 packet of network, port numbering is understood and is converted to IPv6 protocol data bag and encapsulates, then the control command after encapsulation is sent to the Controlling vertex of specifying, after parking space state information display device 100 receives control command, can be understood by processing unit 110 pairs of control commands, then read operation from memory cell, then corresponding application is controlled, as the reservation containing parking stall in control command and the information treating parking capacity, then can be launched by the light modules 141 of status display unit 140 and represent that there is the light of reservation this parking stall, the simultaneously relevant information of explicit reservation vehicle in the LED display of display module 142, as the brand, model, license plate number, subscription time etc. of vehicle.When other vehicle occupies this by the parking stall preengage when preengaging vehicle and also not arriving, control center can send the audio-frequency module 143 of sound signal to parking space state information display device 100, prompting takies vehicle and leaves, then sound signal can be delivered to parking space state information display device 100 for control center by cascade unit, also subscriber can send sound signal.In the present embodiment, when other vehicle takies reservation parking stall, this information can be sent to cascade Mach-Zehnder interferometer device 200 by parking space state information display device 100 timely, cascade Mach-Zehnder interferometer device 200 can send prompting message to the control center in parking lot or subscriber, take parking stall person so that expel in time, the facility of subscriber is provided and uses the right of parking stall.
The parking space state information display system of the present embodiment, achieves that parking space state takies, makes a reservation for, idle different method for expressing; Concrete parking stall predetermined information can be shown, when generation rule-breaking vehicle takies, can report by voice mode the driver stopped to mistake by control center and sail out of parking stall.Parking space state information display device 100 in the present embodiment is adaptable, industrial environment application requirement can be met, design cost is cheap, generalization is strong, can substitute existing parking space state information display device 100 completely, and the needs meeting internet, applications for parking lot provide underlying device basis.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a parking space state information display device, is characterized in that, comprises processing unit, the first signal receives/sends unit and status display unit;
Described first signal receives/sends unit and receives external control signal, and is transferred to processing unit, and processing unit sends the parking space state information of corresponding parking stall according to the control signal state of a control display unit received;
Described status display unit at least can show the idle condition information on parking stall, subscription state information and seizure condition information.
2. parking space state information display device according to claim 1, is characterized in that, described status display unit comprises light modules, the light of this light modules independent transmission at least three kinds of colors; Or, the pilot lamp that multiple color is identical or different is set.
3. parking space state information display device according to claim 1, is characterized in that, described status display unit also comprises display module,
Described first signal receives/sends unit and receives outside display, and is transferred to processing unit, and processing unit controls display module display corresponding electronic characters, electronic pictures and/or video according to the display received.
4. parking space state information display device according to claim 1, is characterized in that, described status display unit also comprises audio-frequency module,
Described first signal receives/sends unit and receives external audio signal, and is transferred to processing unit, and processing unit controls audio-frequency module according to the sound signal received and plays corresponding audio content.
5. parking space state information display device according to claim 1, is characterized in that, it is that less radio-frequency connects/receive unit that described first signal receives/sends unit.
6. a parking space state information display system, is characterized in that, comprises parking space state information display device and cascade Mach-Zehnder interferometer device;
Described parking space state information display device comprises processing unit, the first signal receives/sends unit and status display unit; Described first signal receives/sends the control signal that unit receives the transmission of described cascade Mach-Zehnder interferometer device, and is transferred to processing unit, and processing unit sends the parking space state information of corresponding parking stall according to the control signal state of a control display unit received; Described status display unit at least can show the idle condition information on parking stall, subscription state information and seizure condition information;
Described cascade Mach-Zehnder interferometer device comprises router unit and secondary signal receives/sends unit;
The router unit of described cascade Mach-Zehnder interferometer device receives the control command that network transmits, and send to secondary signal to receive/send unit, secondary signal receives/sends unit and control command is sent to the first signal of parking space state information display device to receive/send unit, first signal receives/sends unit and control command is sent to processing unit, and processing unit controls according to control command the parking space state information that described status display unit sends corresponding parking stall;
Described cascade Mach-Zehnder interferometer device also receives/sends unit by secondary signal and receives parking space state information display device and receive/send by the first signal the parking space state information that unit sends, and by router unit, this parking space state information is sent to network, for the parking space information of client by network inquiry parking lot.
7. parking space state information display system according to claim 6, is characterized in that, the parking space state information display device of described parking space state information display device according to any one of claim 2-5.
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| CN201520963414.4U CN205158656U (en) | 2015-11-27 | 2015-11-27 | Parking stall state information display device and system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355081A (en) * | 2015-11-27 | 2016-02-24 | 深圳市芊熠智能硬件有限公司 | Parking stall state information display device and system, and method for displaying parking stall information |
| CN107492252A (en) * | 2017-08-23 | 2017-12-19 | 合肥巍华智能停车设备有限公司 | A kind of parking system based on Internet of Things |
| CN110689106A (en) * | 2019-09-30 | 2020-01-14 | 上海上实龙创智慧能源科技股份有限公司 | Conference room information system and method based on electronic tags |
-
2015
- 2015-11-27 CN CN201520963414.4U patent/CN205158656U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355081A (en) * | 2015-11-27 | 2016-02-24 | 深圳市芊熠智能硬件有限公司 | Parking stall state information display device and system, and method for displaying parking stall information |
| CN107492252A (en) * | 2017-08-23 | 2017-12-19 | 合肥巍华智能停车设备有限公司 | A kind of parking system based on Internet of Things |
| CN110689106A (en) * | 2019-09-30 | 2020-01-14 | 上海上实龙创智慧能源科技股份有限公司 | Conference room information system and method based on electronic tags |
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