CN208477616U - Entrance guard device and management system - Google Patents
Entrance guard device and management system Download PDFInfo
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- CN208477616U CN208477616U CN201821102513.3U CN201821102513U CN208477616U CN 208477616 U CN208477616 U CN 208477616U CN 201821102513 U CN201821102513 U CN 201821102513U CN 208477616 U CN208477616 U CN 208477616U
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- number signal
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Abstract
The utility model provides a kind of entrance guard device and management system.Wherein, entrance guard device includes: identification department, and identity qualifying signal is sent when identity information meets default identity information；Control unit, control unit receive identity qualifying signal and obtain contact net power cut-off information, determine the grounding apparatus ground connection in the area Gui Hang, turn on into the door in the area Gui Hang；Counting unit, only the starting after control unit receives identity qualifying signal counts and is transmitted into number signal to control unit and leaves number signal counting unit, and control unit compares into number signal and the number for leaving number signal；When the number for entering number signal is greater than the number for leaving number signal, control unit issues information warning to the management system on backstage, forbids contact net to restore electricity, grounding apparatus is forbidden to remove；When the number for leaving number signal is equal to the number for entering number signal, control unit issues prompt information to the management system on backstage, and the area Gui Hang operating personnel all leaves the theatre.
Description
Technical field
The utility model relates to track management technical fields, in particular to a kind of entrance guard device and management system.
Background technique
The contact net voltage of urban track traffic is relatively high, generally 750 volts or 1500 volts of direct current, passes in and out the people in the area Gui Hang
Member must carry out relevant safeguard measure just and can ensure that the safety of the person, and the current generation is to the pipe for passing in and out the area Gui Hang personnel on site
Reason, the method for generalling use labor management are taken whether manual type inquiry dispatcher scene has had a power failure, are such as affirmed
It replying, then it is assumed that scene without electricity, initially enters the area Gui Hang and carries out operation, and after operation terminates at the scene, scene is responsible for
After manual confirmation scene is without personnel, report schedule job terminates people, and dispatcher answers obtain that Field Force withdrawn
After multiple, start restoring scene power transmission.Field management under this manual type, the safety problem of personnel hardly result in guarantee, existing
Personnel enter operation in the case where being possible to in-orbit row area there are also electricity, in addition, at the scene using ground connection cabinet ground connection in the case where,
In field operation process, the case where disconnection there are grounding switch by long-range erroneous judgement, caused safely to Field Force very big
It threatens.In addition, personal management is more difficult in the case where multi-specialized more teams and groups' operations, clearing out a gathering place before power transmission is one very numb
Tired work.Dispatcher must assure that could be extensive after the personnel of all teams and groups of profession of operation at the scene all withdraw
Multiple power transmission, this is greatly lowered the efficiency of field management, and brings great potential safety hazard to the recovery power transmission at scene.
It follows that there is larger security risk in the area Gui Hang in the prior art.
Utility model content
The main purpose of the utility model is to provide one kind, and to solve in the area Gui Hang in the prior art, there are larger peaces
The problem of full hidden danger.
To achieve the goals above, one aspect according to the present utility model provides a kind of gate inhibition for the area Gui Hang
Device, comprising: identification department, for identification identity information of user, and meet default identity information in the identity information
When send identity qualifying signal；Control unit, the identification department are connect with the control unit, and the control unit receives the body
Part qualifying signal, obtains contact net power cut-off information, determines the grounding apparatus ground connection in the area Gui Hang, turns on into the door in the area Gui Hang；Meter
Counting unit, the counting unit are connect with the control unit, for recording the quantity for passing in and out the user in the area Gui Hang, and it is described
Only starting is counted and is transmitted into the control unit counting unit after the control unit receives the identity qualifying signal
Number signal and leave number signal, the control unit is more described into number signal and for leaving number signal
Number；When leaving the number of number signal described in being greater than in the number into number signal, pipe of the control unit to backstage
Reason system issues information warning, and contact net is forbidden to restore electricity, and the grounding apparatus is forbidden to remove；Number signal is left described
Number when being equal to the number into number signal, the control unit issues prompt information, rail to the management system on backstage
Row area operating personnel all leaves the theatre.
Further, counting unit is button or knob；When counting unit is button, button is two, including is entered
Button and button is left, be triggered into button and be transmitted into number signal, left the button transmission that is triggered and leave number signal；
When counting unit is knob, knob rotates predetermined angular to first direction to be transmitted into number signal, and knob is to first
Contrary second direction rotation predetermined angular leaves number signal to send.
Further, counting unit includes two sensor for countering, and two sensor for countering are to enter to count sensing respectively
Device and sensor for countering is left, is triggered into sensor for countering and is transmitted into number signal, leave sensor for countering and be triggered
Number signal is left in transmission.
Further, identification department includes fingerprint recognition part, recognition of face part, at least one of identification elements of swiping the card.
Further, entrance guard device further includes loudspeaking portion, and loudspeaking portion is connect with control unit, and loudspeaking portion is received in control unit
It is made a sound to identity qualifying signal, into number signal and when at least one leaving number signal.
Further, entrance guard device further includes the first display unit, and the first display unit connect with control unit and shows the area Gui Hang
The quantity of interior user or the title of user.
Further, entrance guard device further includes communication section, and communication section is connect with control unit, the body that control unit is received
Part qualifying signal into number signal and at least one leaves number signal and peripheral device communication.
Another aspect according to the present utility model provides a kind of management system for the area Gui Hang, including above-mentioned door
Prohibit device.
Further, management system further includes long-distance monitorng device, and entrance guard device further includes communication section, communication section and gate inhibition
The control unit of device connects, and by identity qualifying signal that control unit receives, into number signal and leaves number signal extremely
It is one of few to be communicated with long-distance monitorng device.
Further, long-distance monitorng device includes the second display unit, and the second display unit connect with control unit and shows rail row
The quantity of user or the title of user in area.
Further, long-distance monitorng device is connect with the grounding apparatus in the area Gui Hang, and long-distance monitorng device is for setting ground connection
Standby operating status is monitored and operates.
Further, long-distance monitorng device includes the second display unit, and the second display unit connect and shown with grounding apparatus and connect
The voltage status and ground state of ground equipment.
Using the technical solution of the utility model, entrance guard device includes identification department, control unit and counting unit, identity
The identity information of identification part user for identification, and identity qualifying signal is sent when identity information meets default identity information；
Identification department is connect with control unit, and control unit receives identity qualifying signal and obtains contact net power cut-off information, determines the area Gui Hang
Grounding apparatus ground connection, turns on into the door in the area Gui Hang；Counting unit, counting unit are connect with control unit, for recording disengaging rail
The quantity of the user in row area, and only the starting after control unit receives identity qualifying signal is counted and is sent out to control unit counting unit
It is fed into number signal and leaves number signal, control unit compares into number signal and the number for leaving number signal；Into
When entering the number of number signal greater than the number for leaving number signal, control unit issues information warning to the management system on backstage,
Forbid contact net to restore electricity, grounding apparatus is forbidden to remove；It is equal into number signal in the number for leaving number signal
When number, control unit issues prompt information to the management system on backstage, and the area Gui Hang operating personnel all leaves the theatre.
Due to being provided with identification area, thus the personnel in the disengaging area Gui Hang can effectively be managed, prevent the spare time
Miscellaneous people etc. enters in the area Gui Hang, causes danger, influences the management and operation in the area Gui Hang；In addition, due to being provided with counting unit, because
And accurate statistics can be carried out to the personnel amount in the disengaging area Gui Hang, be conducive to administrative staff and accurately understand feelings in the area Gui Hang
Condition causes danger to the personnel in the area Gui Hang to avoid due to the wrong generation grounding apparatus maloperation of information.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural block diagram of the management system of an optional embodiment according to the present utility model；And
Fig. 2 shows the structural schematic diagrams of entrance guard device in Fig. 1.
Wherein, the above drawings include the following reference numerals:
10, identification department；11, it swipes the card identification elements；20, control unit；30, counting unit；31, into sensor for countering；
32, sensor for countering is left；33, into button；34, button is left；40, loudspeaking portion；50, the first display unit；60, communication section；
70, long-distance monitorng device；80, the second display unit；90, grounding apparatus.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
It is for direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Together
Sample, it for ease of understanding and describes, " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is simultaneously
It is not used in limitation the utility model.
In order to solve the problems, such as in the area Gui Hang in the prior art that the utility model provides one there are larger security risk
Kind entrance guard device and management system.Wherein, management system has following entrance guard devices.
Embodiment one
As shown in Figure 1, entrance guard device includes identification department 10, control unit 20 and counting unit 30, identification department 10
The identity information of user for identification, and identity qualifying signal is sent when identity information meets default identity information；Identity is known
Other portion 10 is connect with control unit 20, and control unit 20 receives identity qualifying signal, is obtained contact net power cut-off information, is determined the area Gui Hang
Grounding apparatus 90 is grounded, and turns on into the door in the area Gui Hang；Counting unit 30 is connect with control unit 20, for recording the disengaging area Gui Hang
User quantity, and only starting counts and to control unit 20 counting unit 30 after control unit 20 receives identity qualifying signal
It is transmitted into number signal and leaves number signal, control unit 20 compares into number signal and the number for leaving number signal；
When the number for entering number signal is greater than the number for leaving number signal, control unit 20 is issued to the management system on backstage and is warned
Information forbids contact net to restore electricity, and grounding apparatus 90 is forbidden to remove；It is equal in the number for leaving number signal and enters quantity letter
Number number when, control unit 20 issues prompt information to the management system on backstage, and the area Gui Hang operating personnel all leaves the theatre.
Due to being provided with identification area, thus the personnel in the disengaging area Gui Hang can effectively be managed, prevent the spare time
Miscellaneous people etc. enters in the area Gui Hang, causes danger, influences the management and operation in the area Gui Hang；In addition, due to being provided with counting unit 30,
Thus accurate statistics can be carried out to the personnel amount in the disengaging area Gui Hang, be conducive to administrative staff and accurately understand feelings in the area Gui Hang
Condition causes danger to the personnel in the area Gui Hang to avoid due to wrong 90 maloperation of generation grounding apparatus of information.
As shown in Fig. 2, counting unit 30 is button, button is two, including enters button 33 and leave button 34, is entered
Button 33, which is triggered, is transmitted into number signal, leaves the transmission that is triggered of button 34 and leaves number signal.In this way, staff exists
When passing in and out the area Gui Hang, the quantity of record disengaging personnel is carried out by way of button press, accurately statistics is realized, in order to pipe
Reason personnel can accurately grasp the situation in the area Gui Hang, avoid because of wrong 90 maloperation of generation grounding apparatus of information, to the area Gui Hang
Interior personnel cause danger.
In the present embodiment, counting unit 30 includes two sensor for countering, and two sensor for countering are to enter meter respectively
It counts sensor 31 and leaves sensor for countering 32, be triggered into sensor for countering 31 and be transmitted into number signal, leave counting
Number signal is left in the transmission that is triggered of sensor 32.Since there are two sensor for countering for setting, thus can be into and out
The personnel amount in the area Gui Hang is counted respectively, and statistical result is passed to control unit 20, to realize preferably monitoring and pipe
Reason.
Optionally, identification department 10 includes at least one in fingerprint recognition part, recognition of face part, identification elements of swiping the card 11
Kind.Since identification department 10 has a variety of identification methods, thus the diversity and safety of identification are increased, meets a variety of make
With condition, so that recognition efficiency is higher, reliability is stronger.
As shown in Figure 1, entrance guard device further includes loudspeaking portion 40, loudspeaking portion 40 is connect with control unit 20, and loudspeaking portion 40 exists
Control unit 20 receives identity qualifying signal, makes a sound into number signal and when at least one leaving number signal.Due to
It is provided with loudspeaking portion 40, thus can be made whether to identify successful voice when the personnel for passing in and out the area Gui Hang carry out identification
It reminds, to reach preferably management and control.
As shown in Figure 1, entrance guard device further includes the first display unit 50, the first display unit 50 connect and shows with control unit 20
The quantity of user or the title of user in the area Gui Hang.In this way, administrative staff can recognize the area Gui Hang by the first display unit 50
Interior relevant information realizes the real-time update of information, can preferably be managed and operation element.
In addition, the first display unit 50 connect with grounding apparatus 90 and shows the voltage status and ground connection shape of grounding apparatus 90
State.Staff can recognize the voltage status and ground state of grounding apparatus 90 in the area Gui Hang by the first display unit 50,
The real-time update for realizing information, can preferably be managed and operation element, avoid occurring hot line job to operator's
Personal safety damages.
Preferably, the first display unit 50 is LED liquid crystal display.
As shown in Figure 1, entrance guard device further includes communication section 60, communication section 60 is connect with control unit 20, by control unit 20
The identity qualifying signal that receives into number signal and at least one leaves number signal and peripheral device communication.Due to setting
It is equipped with communication section 60, thus the area Gui Hang can be communicated with external equipment, and then the information in the area Gui Hang is transmitted to outside
Portion, so that operator can be managed and monitor to the area Gui Hang anywhere or anytime.
As shown in Figure 1, management system further includes long-distance monitorng device 70, entrance guard device further includes communication section 60, communication section
60 connect with the control unit 20 of entrance guard device, identity qualifying signal that control unit 20 is received, into number signal and from
At least one number signal is opened to communicate with long-distance monitorng device 70.In this way, operator can anywhere or anytime to the area Gui Hang into
Row management and monitoring, improve work efficiency, while safer, reduce due to managing the unreasonable probability for causing fault,
Save human cost.
As shown in Figure 1, long-distance monitorng device 70 includes the second display unit 80, the second display unit 80 is connect simultaneously with control unit 20
Show the quantity of user or the title of user in the area Gui Hang.Due to being provided with the second display unit 80, thus can be in the area Gui Hang
Parameter information monitored in real time, provide accurate information to administrative staff and operator and kept away in order to carry out exact operations
Exempt from that maloperation occurs, generates security risk.
As shown in Figure 1, long-distance monitorng device 70 is connect with the grounding apparatus 90 in the area Gui Hang, long-distance monitorng device 70 for pair
The operating status of grounding apparatus 90 is monitored and operates.In this way, operator can remotely operate in control room, have
Conducive to improve working efficiency, and it is easy to operate, safety is higher.
It should be noted that the grounding apparatus 90 in the area Gui Hang must be in ground state, far when having personnel in the area Gui Hang
Range monitoring device 70 must not operate grounding apparatus 90, after the personnel in the area Gui Hang all leave, the grounding apparatus in the area Gui Hang
90 unlocks, long-distance monitorng device 70 obtain the operating right to grounding apparatus 90, in this way can be to avoid operator because unclear
Situation in the area Gui Hang causes maloperation, causes danger to the personnel in the area Gui Hang.
As shown in Figure 1, long-distance monitorng device 70 includes the second display unit 80, the second display unit 80 is connect with grounding apparatus 90
And show the voltage status and ground state of grounding apparatus 90.Due to being provided with the second display unit 80, thus can be to the area Gui Hang
Interior parameter information is monitored in real time, provides accurate information to administrative staff and operator, in order to carry out exact operations,
It avoids that maloperation occurs, generates security risk.
Preferably, the second display unit 80 is LED liquid crystal display.
It should be noted that when passing in and out the area Gui Hang, it is necessary first to carry out identification, fingerprint recognition part, people can be passed through
Face identification elements and any one of identification of swiping the card.By taking identification of swiping the card as an example, after identification passes through, the personnel in the disengaging area Gui Hang are logical
The mode for crossing button press is recorded, and sends the personal information for passing in and out the area Gui Hang to control unit 20, and then by control unit
20 are transmitted to the first display unit 50 or the second display unit 80 to carry out display relevant information.In this process, a people can be used
The mode of one card, can also be using the more people of card by the way of, but each personnel for passing in and out the area Gui Hang, it is necessary to operate corresponding press
Button realizes the accurate statistics of data to be recorded.
Embodiment two
Difference with embodiment one is that counting unit 30 is different.
In the present embodiment, counting unit 30 is knob, and knob is to first direction rotation predetermined angular to be transmitted into number
Signal is measured, knob leaves number signal to the second direction rotation predetermined angular opposite with first direction to send.In this way, work
Personnel carry out the quantity of record disengaging personnel when passing in and out the area Gui Hang by way of rotating knob, realize accurately statistics, with
The situation in the area Gui Hang can be accurately grasped convenient for administrative staff, avoided because of wrong 90 maloperation of generation grounding apparatus of information, it is right
Personnel in the area Gui Hang cause danger.
The detailed process of the area Gui Hang management system is as follows:
1, operator is remotely controlled grounding apparatus by long-distance monitorng device 70；
2, operating personnel enters AT STATION before the area Gui Hang, checks whether LED liquid crystal display shows grounding apparatus 90
Ground connection；
3, it after administrative staff confirm that grounding apparatus 90 has been grounded, swipes the card on entrance guard device, presses " entering button 33 ", voice
It prompts " into operation area "；
4, grounding apparatus 90 is self-locking, and operator forbids remotely operating grounding apparatus 90；
5, upkeep operation；
6, upkeep operation terminates, and personnel withdraw operation area, and administrative staff swipe the card, and presses " leaving button 34 ", voice prompting is " out
Operation area "；
7, grounding apparatus 90 unlocks, and operator restores the permission of remote operation grounding apparatus 90；
8, operator remotely operates grounding apparatus 90 and disconnects ground connection, and LED liquid crystal display shows " unearthed ".
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
1, due to being provided with identification area, thus the personnel in the disengaging area Gui Hang can effectively be managed, is prevented
People without fixed duties etc. enters in the area Gui Hang, causes danger, influences the management and operation in the area Gui Hang；
2, due to being provided with counting unit, thus accurate statistics can be carried out to the personnel amount in the disengaging area Gui Hang, favorably
The situation in the area Gui Hang is accurately understood in administrative staff, to avoid due to the wrong generation grounding apparatus maloperation of information, to rail row
Personnel in area cause danger；
3, staff can recognize the voltage status of grounding apparatus and ground connection in the area Gui Hang by LED liquid crystal display
State realizes the real-time update of information, can preferably be managed and operation element, avoids occurring hot line job to operator
The personal safety of member damages.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The range of the utility model protection all should belong in the every other embodiment obtained.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (12)
1. a kind of entrance guard device for the area Gui Hang characterized by comprising
Identification department (10), the identity information of user for identification, and when the identity information meets default identity information
Send identity qualifying signal；
Control unit (20), the identification department (10) connect with the control unit (20), described in control unit (20) reception
Identity qualifying signal obtains contact net power cut-off information, determines grounding apparatus (90) ground connection in the area Gui Hang, turns on into the area Gui Hang
Door；
Counting unit (30), the counting unit (30) connect with the control unit (20), pass in and out the area Gui Hang for recording
User quantity, and the counting unit (30) only starts after the control unit (20) receives the identity qualifying signal
Count and be simultaneously transmitted into number signal to the control unit (20) and leave number signal, the control unit (20) it is relatively more described into
Enter number signal and the number for leaving number signal；It is greater than the quantity of leaving in the number into number signal to believe
Number number when, the control unit (20) to the management system on backstage issue information warning, forbid contact net to restore electricity, forbid
The grounding apparatus (90) is removed；When the number for leaving number signal is equal to the number into number signal, institute
It states control unit (20) and issues prompt information to the management system on backstage, the area Gui Hang operating personnel all leaves the theatre.
2. entrance guard device according to claim 1, which is characterized in that the counting unit (30) is button or knob；
When the counting unit (30) is button, the button is two, including enters button (33) and leave button (34),
It is described be triggered into button (33) send it is described enter number signal, it is described leave button (34) and be triggered send described leave
Number signal；
When the counting unit (30) is knob, the knob sends described into number to first direction rotation predetermined angular
Measure signal, the knob to second direction opposite to the first direction rotates the predetermined angular to send and described leave number
Measure signal.
3. entrance guard device according to claim 1, which is characterized in that the counting unit (30) includes two counting sensings
Device, two sensor for countering are into sensor for countering (31) and to leave sensor for countering (32) respectively, described to enter meter
Number sensor (31) be triggered send it is described enter number signal, it is described leave sensor for countering (32) be triggered send it is described from
Open number signal.
4. entrance guard device according to claim 1, which is characterized in that the identification department (10) includes fingerprint recognition
At least one of part, recognition of face part, identification elements of swiping the card (11).
5. entrance guard device according to claim 1, which is characterized in that the entrance guard device further includes loudspeaking portion (40), institute
It states loudspeaking portion (40) to connect with the control unit (20), and the loudspeaking portion (40) receives the body in the control unit (20)
Part qualifying signal described enter number signal and described makes a sound when leaving at least one number signal.
6. entrance guard device according to claim 1, which is characterized in that the entrance guard device further includes the first display unit
(50), first display unit (50) connect with the control unit (20) and shows the quantity of user or user in the area Gui Hang
Title.
7. entrance guard device according to claim 1, which is characterized in that the entrance guard device further includes communication section (60), institute
Communication section (60) is stated to connect with the control unit (20), the identity qualifying signal that the control unit (20) is received,
It is described to enter number signal and described leave at least one number signal and peripheral device communication.
8. a kind of management system for the area Gui Hang, which is characterized in that including gate inhibition described in any one of claims 1 to 7
Device.
9. management system according to claim 8, which is characterized in that the management system further includes long-distance monitorng device
(70), the entrance guard device further includes communication section (60), and the control unit (20) of the communication section (60) and the entrance guard device is even
It connects, by identity qualifying signal that the control unit (20) receives, into number signal and at least one leaves number signal
It is communicated with the long-distance monitorng device (70).
10. management system according to claim 9, which is characterized in that the long-distance monitorng device (70) includes second aobvious
Show portion (80), second display unit (80) connect and show in the area Gui Hang with the control unit (20) quantity of user or
The title of user.
11. management system according to claim 9, which is characterized in that the long-distance monitorng device (70) and the rail row
The grounding apparatus (90) in area connects, and the long-distance monitorng device (70) is used to carry out the operating status of the grounding apparatus (90)
Monitoring and operation.
12. management system according to claim 11, which is characterized in that the long-distance monitorng device (70) includes second aobvious
Show portion (80), second display unit (80) connect with the grounding apparatus (90) and shows the voltage of the grounding apparatus (90)
State and ground state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102513.3U CN208477616U (en) | 2018-07-11 | 2018-07-11 | Entrance guard device and management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102513.3U CN208477616U (en) | 2018-07-11 | 2018-07-11 | Entrance guard device and management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477616U true CN208477616U (en) | 2019-02-05 |
Family
ID=65210390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821102513.3U Active CN208477616U (en) | 2018-07-11 | 2018-07-11 | Entrance guard device and management system |
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| Country | Link |
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| CN (1) | CN208477616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827451A (en) * | 2019-11-07 | 2020-02-21 | 北京铁道工程机电技术研究所股份有限公司 | Maintenance operation safety door lock control system |
-
2018
- 2018-07-11 CN CN201821102513.3U patent/CN208477616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827451A (en) * | 2019-11-07 | 2020-02-21 | 北京铁道工程机电技术研究所股份有限公司 | Maintenance operation safety door lock control system |
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