CN104899945A - Control apparatus and method of sub cabinet lock of express delivery cabinet - Google Patents
Control apparatus and method of sub cabinet lock of express delivery cabinet Download PDFInfo
- Publication number
- CN104899945A CN104899945A CN201510170354.5A CN201510170354A CN104899945A CN 104899945 A CN104899945 A CN 104899945A CN 201510170354 A CN201510170354 A CN 201510170354A CN 104899945 A CN104899945 A CN 104899945A
- Authority
- CN
- China
- Prior art keywords
- control module
- level
- signal
- circuit
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The invention provides a control apparatus and a method of a sub cabinet lock of an express delivery cabinet. The apparatus comprises a central processing module, at least a main control module and at least a set of driven control modules; the main control module comprises an optical coupler isolation circuit, a channel power supply control circuit and an U-I transition transmitting circuit; the central processing module is used for inputting a first stage switch signal to the optical coupler isolation circuit; the optical coupler isolation circuit is used for receiving and sending a second stage switch signal to the U-I transition transmitting circuit according to the first stage switch signal; the U-I transition transmitting circuit is used for receiving and sending a third stage switch signal to the control module according to the second stage switch signal; the control module is used for receiving the third stage switch signal to control a switch of a sub cabinet lock; and the channel power supply control circuit is used for controlling the supply voltage of main control module. The apparatus can realize the detection of switch control and switch state of the sub cabinet lock.
Description
Technical field
The invention belongs to logistics field, particularly relate to control device and the method for the sub-cabinet lock of express delivery cabinet.
Background technology
Intelligent express delivery cabinet for realizing 24 hour self-helps deliveries and pickup has a wide range of applications, when the pickup message etc. comprising any express delivery cupboard cabinet is issued to corresponding express delivery cabinet terminal by server, express delivery cabinet terminal is needed to issue hardware instruction to the express delivery cupboard cabinet of correspondence further, and express delivery cabinet generally includes some secondary cabinets, each secondary cabinet comprises some sub-cabinets, how efficient and accurately control the on off state opening and gather sub-cabinet lock of express delivery cupboard cabinet lock and then report server, delivering the tasks such as distribution to make server according to the information and executing telemanagement collected and express mail is to realize the problem solved required for self-service express system.
Summary of the invention
The invention provides a kind of control device and method of sub-cabinet lock of express delivery cabinet, to realize the object detected switch control rule and the on off state of the sub-cabinet lock of express delivery cabinet.
First aspect of the present invention is to provide a kind of control device of sub-cabinet lock of express delivery cabinet, comprising: central processing module, at least one main control module and at least one group are from control module; Described main control module comprises optical coupling isolation circuit, channel power source control circuit, U-I change transtation mission circuit;
Described central processing module, for the first order switching signal to the sub-cabinet lock-switch of the optical coupling isolation circuit input control in described main control module;
Described optical coupling isolation circuit is for receiving the first order switching signal of described central processing module transmission and changing transtation mission circuit transmission second level switching signal to described U-I accordingly;
Described U-I changes transtation mission circuit, for receiving described second level switching signal and sending third level switching signal to described from control module accordingly;
The described switch also controlling sub-cabinet lock from control module for receiving described third level switching signal accordingly;
Described channel power source control circuit is for controlling the supply voltage of described main control module.
Second aspect of the present invention is to provide a kind of control method of sub-cabinet lock of express delivery cabinet, comprising:
Channel power source control circuit provides and controls the supply voltage of described main control module;
Central processing module is to the first order switching signal of the sub-cabinet lock-switch of the optical coupling isolation circuit input control in described main control module;
Described optical coupling isolation circuit receives the first order switching signal of described central processing module transmission and changes transtation mission circuit transmission second level switching signal to U-I accordingly;
Described U-I changes transtation mission circuit and receives described second level switching signal and send third level switching signal to from control module accordingly;
Described from control module receive described third level switching signal and control accordingly sub-cabinet lock switch.
Beneficial effect of the present invention is:
The control device of the sub-cabinet lock of express delivery cabinet of the present invention provides a kind of solution for being locked into row switch control rule and on off state detection to the sub-cabinet of express delivery cabinet, particularly, the switching signal of voltage or detection signal are converted to corresponding current signal by arranging the main control module comprising U-I conversion transtation mission circuit and I-U conversion receiver circuit by device of the present invention, be issued to from control module by electric current loop unibus again, to make to be correspondingly provided with the described corresponding current signal received being converted to the switching signal of voltage or detection signal from control module again and controlling sub-cabinet switch or return sub-cabinet switch state signal of I-U conversion receiver circuit, and make from control module return sub-cabinet open the light status signal time in like manner first by from control module U-I change transtation mission circuit the cabinet switch state signal of voltage is converted to current signal, and send to the U-I of main control module to change transtation mission circuit the switch state signal of electric current by described electric current loop unibus equally, thus achieve by main control module the total and fractional unibus Communication Control that central control module carries out from control module multichannel.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the control device embodiment one of the sub-cabinet lock of express delivery cabinet of the present invention;
Fig. 2 is the circuit diagram of the control device embodiment one of the sub-cabinet lock of express delivery cabinet of the present invention;
Fig. 3 is the process flow diagram of the control method embodiment one of the sub-cabinet lock of express delivery cabinet of the present invention;
Fig. 4 is the structured flowchart of the control method embodiment two of the sub-cabinet lock of express delivery cabinet of the present invention.
Embodiment
Fig. 1 is the structured flowchart of the control device embodiment one of the sub-cabinet lock of express delivery cabinet of the present invention, Fig. 2 is the circuit diagram of the control device embodiment one of the sub-cabinet lock of express delivery cabinet of the present invention, as depicted in figs. 1 and 2, described control device comprises: central processing module 1, at least one main control module 2 and at least one group are from control module 4; Described main control module 2 comprises optical coupling isolation circuit 22, channel power source control circuit 21, U-I change transtation mission circuit 23; Preferably, described control device controls to comprise 4 main control modules 2 and 4 groups from control module 4, often comprises 22 from control module from control module described in group;
Described central processing module 1, for the first order switching signal to the sub-cabinet lock-switch of optical coupling isolation circuit 22 input control in described main control module;
Described optical coupling isolation circuit 22 is for receiving the first order switching signal of described central processing module 1 transmission and sending second level switching signal to described U-I conversion transtation mission circuit 23 accordingly;
Described U-I changes transtation mission circuit 23, for receiving described second level switching signal and sending third level switching signal to described from control module 4 accordingly;
The described switch also controlling sub-cabinet lock from control module 4 for receiving described third level switching signal accordingly;
Described channel power source control circuit 21 is for controlling the supply voltage of described main control module.
Preferably, described main control module 2 also comprises I-U conversion receiver circuit 24;
Described central processing module 1, also for detecting the first order detection signal of the on off state of sub-cabinet lock to the input of described main control module 2;
The first order detection signal that described optical coupling isolation circuit 22 also sends for receiving described central processing module 1 is also changed transtation mission circuit 23 to described U-I accordingly and is sent second level detection signal and receive and send third level switch state signal according to the second level switch state signal that I-U conversion receiver circuit 24 sends to central processing module 1;
Described U-I changes transtation mission circuit 23, for receiving described second level detection signal and sending third level detection signal to described from control module 4 accordingly;
Described from control module 4 for receiving described third level detection signal, detect sub-cabinet lock on off state and input first order switch state signal to the I-U conversion receiver circuit 24 of main control module;
Described I-U conversion receiver circuit 24, for receiving the described first order switch state signal from control module 4 transmission and sending second level switch state signal to described optical coupling isolation circuit 22 accordingly.
Preferably, described main control module 2 and from adopting between control module 4 unibus communication module 3 to be connected; Preferably, described unibus communication module 3 can be electric current loop unibus;
Accordingly, described U-I change transtation mission circuit 23 specifically for by the second level switching signal of the voltage received or second level detection signal respectively the corresponding conversion third level detection signal that is electric current or third level detection signal, be again handed down to by described unibus communication module 3 corresponding to control module 4;
Described I-U conversion receiver circuit 24 specifically for received by described unibus communication module 3 the arbitrarily described electric current sent from control module 4 first order switch state signal, the first order switch state signal of the described electric current received be converted to the second level switch state signal of voltage and send the second level switch state signal of described voltage again to described optical coupling isolation circuit 22.
As shown in Figure 2, to when issuing the switching signal opening sub-cabinet lock from control module 4, the DWNC1 end of optical coupling isolation circuit 22 is changed transtation mission circuit 23 to U-I and is sent second level switching signal, and U-I changes the Sout end transmission third level switching signal of transtation mission circuit 23 to the plug connector of described unibus communication module 3; On the other hand, when gathering the on off state of the sub-cabinet lock that a certain road controls from control module 4, the DWNC1 end of optical coupling isolation circuit 22 is first changed transtation mission circuit 23 to U-I and is sent second level detection signal, U-I changes the Sout end transmission third level detection signal of transtation mission circuit 23 to the plug connector of described unibus communication module 3, and received by I-U conversion receiver circuit 24 and held from control module 4 first order switch state signal returned by Sout, the first switch state signal is sent to the RXD1 end of optical coupling isolation circuit 22 by last I-U conversion receiver circuit 24; That is, the Sout end on the connector of unibus communication module 3 is send second level switching signal or second level detection signal thus the transmitting terminal carrying out switch control rule or detection is also to open the light status signal thus carry out the receiving end of on off state collection by receiving the second level.
The control device of the sub-cabinet lock of express delivery cabinet of the present invention provides a kind of solution for being locked into row switch control rule and on off state detection to the sub-cabinet of express delivery cabinet, particularly, the switching signal of voltage or detection signal are converted to corresponding current signal by arranging the main control module comprising U-I conversion transtation mission circuit and I-U conversion receiver circuit by device of the present invention, be issued to from control module by electric current loop unibus again, to make to be correspondingly provided with the described corresponding current signal received being converted to the switching signal of voltage or detection signal from control module again and controlling sub-cabinet switch or return sub-cabinet switch state signal of I-U conversion receiver circuit, and make from control module return sub-cabinet open the light status signal time in like manner first by from control module U-I change transtation mission circuit the cabinet switch state signal of voltage is converted to current signal, and send to the U-I of main control module to change transtation mission circuit the switch state signal of electric current by described electric current loop unibus equally, thus achieve by main control module the total and fractional unibus Communication Control that central control module carries out from control module multichannel.
Fig. 3 is the process flow diagram of the control method embodiment one of the sub-cabinet lock of express delivery cabinet of the present invention, and as shown in Figure 2, described control method comprises:
S201, channel power source control circuit provide and control the supply voltage of described main control module;
S202, central processing module are to the first order switching signal of the sub-cabinet lock-switch of the optical coupling isolation circuit input control in described main control module;
S203, described optical coupling isolation circuit receive the first order switching signal of described central processing module transmission and change transtation mission circuit transmission second level switching signal to U-I accordingly;
S204, described U-I change transtation mission circuit and receive described second level switching signal and send third level switching signal to from control module accordingly;
Preferably, described main control module and from adopting between control module unibus communication module to be connected;
Accordingly, described U-I conversion transtation mission circuit receives described second level switching signal and comprises to sending third level switching signal from control module accordingly:
U-I change transtation mission circuit the second level switching signal of the voltage received is converted to electric current third level detection signal, be again handed down to by described unibus communication module corresponding to control module;
S205, described from control module receive described third level switching signal and control accordingly sub-cabinet lock switch.
Fig. 4 is the process flow diagram of the control method embodiment two of the sub-cabinet lock of express delivery cabinet of the present invention, and as shown in Figure 2, described main control module also comprises I-U conversion receiver circuit, and described control method comprises:
S301, central processing module detect the first order detection signal of the on off state of sub-cabinet lock to the optical coupling isolation circuit input in main control module;
S302, described optical coupling isolation circuit receive the described first order detection signal of described central processing module transmission and change transtation mission circuit transmission second level detection signal to U-I accordingly;
S303, described U-I change transtation mission circuit and receive described second level detection signal and send third level detection signal to from control module accordingly;
Preferably, described main control module and from unibus communication module can be adopted between control module to be connected;
Accordingly, described U-I conversion transtation mission circuit receives described second level detection signal and comprises to sending third level detection signal from control module accordingly:
U-I change transtation mission circuit the second level detection signal of the voltage received is converted to electric current third level detection signal, be again handed down to by described unibus communication module corresponding to control module;
S304, describedly receive described third level detection signal from control module, detect the on off state of sub-cabinet lock, again to the I-U conversion receiver circuit input first order switch state signal of main control module;
S305, described I-U conversion receiver circuit receive the described first order switch state signal sent from control module and also send second level switch state signal to described optical coupling isolation circuit accordingly.Comprise:
Described I-U conversion receiver circuit specifically for received by described unibus communication module the described electric current sent from control module arbitrarily second switch status signal, the first order switch state signal of the described electric current received be converted to the second level switch state signal of voltage and send the second level switch state signal of described voltage again to described optical coupling isolation circuit;
S306, described optical coupling isolation circuit receive the second level switch state signal of described I-U conversion receiver circuit transmission and send third level switch state signal to central processing module accordingly.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a control device for the sub-cabinet lock of express delivery cabinet, is characterized in that, comprising: central processing module, at least one main control module and at least one group are from control module; Described main control module comprises optical coupling isolation circuit, channel power source control circuit, U-I change transtation mission circuit;
Described central processing module, for the first order switching signal to the sub-cabinet lock-switch of the optical coupling isolation circuit input control in described main control module;
Described optical coupling isolation circuit is for receiving the first order switching signal of described central processing module transmission and changing transtation mission circuit transmission second level switching signal to described U-I accordingly;
Described U-I changes transtation mission circuit, for receiving described second level switching signal and sending third level switching signal to described from control module accordingly;
The described switch also controlling sub-cabinet lock from control module for receiving described third level switching signal accordingly;
Described channel power source control circuit is for controlling the supply voltage of described main control module.
2. the control device of the sub-cabinet lock of express delivery cabinet according to claim 1, it is characterized in that, described main control module also comprises I-U conversion receiver circuit;
Described central processing module, also for detecting the first order detection signal of the on off state of sub-cabinet lock to described main control module input;
Described optical coupling isolation circuit is also for receiving the first order detection signal of described central processing module transmission and changing transtation mission circuit transmission second level detection signal to described U-I accordingly and receive and send third level switch state signal according to the second level switch state signal of I-U conversion receiver circuit transmission to central processing module;
Described U-I changes transtation mission circuit, for receiving described second level detection signal and sending third level detection signal to described from control module accordingly;
Described from control module for receiving described third level detection signal, detect the on off state of sub-cabinet lock and the I-U conversion receiver circuit input first order switch state signal to main control module;
Described I-U conversion receiver circuit, for receiving the described first order switch state signal from control module transmission and sending second level switch state signal to described optical coupling isolation circuit accordingly.
3. the control device of the sub-cabinet lock of express delivery cabinet according to claim 1 and 2, is characterized in that, described main control module and adopt unibus communication module to be connected between control module; Accordingly, described U-I change transtation mission circuit specifically for by the second level switching signal of the voltage received or second level detection signal respectively the corresponding conversion third level detection signal that is electric current or third level detection signal, be again handed down to by described unibus communication module corresponding to control module;
Described I-U conversion receiver circuit specifically for received by described unibus communication module the described electric current sent from control module arbitrarily second level switch state signal, the first order switch state signal of the described electric current received be converted to the second level switch state signal of voltage and send the second level switch state signal of described voltage again to described optical coupling isolation circuit.
4. the control device of the sub-cabinet lock of express delivery cabinet according to claim 3, it is characterized in that, described unibus communication module is electric current loop unibus.
5., for controlling a control method for the sub-cabinet lock of express delivery cabinet, it is characterized in that, comprise:
Channel power source control circuit provides and controls the supply voltage of described main control module;
Central processing module is to the first order switching signal of the sub-cabinet lock-switch of the optical coupling isolation circuit input control in described main control module;
Described optical coupling isolation circuit receives the first order switching signal of described central processing module transmission and changes transtation mission circuit transmission second level switching signal to U-I accordingly;
Described U-I changes transtation mission circuit and receives described second level switching signal and send third level switching signal to from control module accordingly;
Described from control module receive described third level switching signal and control accordingly sub-cabinet lock switch.
6. the control method of the sub-cabinet lock of express delivery cabinet according to claim 5, it is characterized in that, described main control module also comprises I-U conversion receiver circuit; Accordingly, described control method also comprises:
Central processing module detects the first order detection signal of the on off state of sub-cabinet lock to the optical coupling isolation circuit input in main control module;
Described optical coupling isolation circuit receives the described first order detection signal of described central processing module transmission and changes transtation mission circuit transmission second level detection signal to U-I accordingly;
Described U-I changes transtation mission circuit and receives described second level detection signal and send third level detection signal to from control module accordingly;
Describedly receive described third level detection signal from control module, detect the on off state of sub-cabinet lock, again to the I-U conversion receiver circuit input first order switch state signal of main control module;
Described I-U conversion receiver circuit receives the described first order switch state signal sent from control module and also sends second level switch state signal to described optical coupling isolation circuit accordingly;
Described optical coupling isolation circuit receives the second level switch state signal of described I-U conversion receiver circuit transmission and sends third level switch state signal to central processing module accordingly.
7. the control method of the sub-cabinet lock of the express delivery cabinet according to claim 5 or 6, is characterized in that, described main control module and adopt unibus communication module to be connected between control module;
Accordingly, described U-I conversion transtation mission circuit receives described second level switching signal and comprises to sending third level switching signal from control module accordingly:
U-I change transtation mission circuit the second level switching signal of the voltage received is converted to electric current third level detection signal, be again handed down to by described unibus communication module corresponding to control module.
8. the control method of the sub-cabinet lock of express delivery cabinet according to claim 6, is characterized in that, described main control module and adopt unibus communication module to be connected between control module;
Accordingly, described U-I conversion transtation mission circuit receives described second level detection signal and comprises to sending third level detection signal from control module accordingly:
U-I change transtation mission circuit the second level detection signal of the voltage received is converted to electric current third level detection signal, be again handed down to by described unibus communication module corresponding to control module;
Described I-U conversion receiver circuit receives the described first order switch state signal sent from control module and also comprises to described optical coupling isolation circuit transmission second level switch state signal accordingly:
Described I-U conversion receiver circuit specifically for received by described unibus communication module the described electric current sent from control module arbitrarily second switch status signal, the first order switch state signal of the described electric current received be converted to the second level switch state signal of voltage and send the second level switch state signal of described voltage again to described optical coupling isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170354.5A CN104899945B (en) | 2015-04-10 | 2015-04-10 | The control device and method of the sub- cabinet lock of express delivery cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170354.5A CN104899945B (en) | 2015-04-10 | 2015-04-10 | The control device and method of the sub- cabinet lock of express delivery cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104899945A true CN104899945A (en) | 2015-09-09 |
| CN104899945B CN104899945B (en) | 2018-02-16 |
Family
ID=54032588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170354.5A Active CN104899945B (en) | 2015-04-10 | 2015-04-10 | The control device and method of the sub- cabinet lock of express delivery cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104899945B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353657A (en) * | 2015-11-09 | 2016-02-24 | 珠海格力电器股份有限公司 | Distribution cabinet and control method thereof |
| CN109211303A (en) * | 2017-07-03 | 2019-01-15 | 威海新北洋数码科技有限公司 | A kind of bin door state detection method, detection device and the express delivery cabinet of express delivery cabinet |
| CN109993872A (en) * | 2019-04-16 | 2019-07-09 | 广东安快智能科技有限公司 | A kind of distributed control structure for access door |
| WO2020083008A1 (en) * | 2018-10-26 | 2020-04-30 | 珠海格力电器股份有限公司 | Motor driving circuit and control method therefor, and driving chip |
| CN113419468A (en) * | 2021-07-15 | 2021-09-21 | 深圳市丰巢网络技术有限公司 | Express cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001095058A2 (en) * | 2000-06-03 | 2001-12-13 | Ebox.Com, Inc. | Computerized recording and notification of the delivery and pickup of retail goods |
| CN202306663U (en) * | 2011-08-26 | 2012-07-04 | 浙江维尔生物识别技术股份有限公司 | Fingerprint system for controlling multiple-door cabinet |
| CN204029050U (en) * | 2014-07-30 | 2014-12-17 | 济南新吉纳远程测控股份有限公司 | Intelligent terminal cabinet and the internet sales system of selling for fresh vegetable |
| CN104392557A (en) * | 2013-10-31 | 2015-03-04 | 杭州快柜网络科技有限公司 | Intelligent express sending, storing and taking terminal and method |
-
2015
- 2015-04-10 CN CN201510170354.5A patent/CN104899945B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001095058A2 (en) * | 2000-06-03 | 2001-12-13 | Ebox.Com, Inc. | Computerized recording and notification of the delivery and pickup of retail goods |
| CN202306663U (en) * | 2011-08-26 | 2012-07-04 | 浙江维尔生物识别技术股份有限公司 | Fingerprint system for controlling multiple-door cabinet |
| CN104392557A (en) * | 2013-10-31 | 2015-03-04 | 杭州快柜网络科技有限公司 | Intelligent express sending, storing and taking terminal and method |
| CN204029050U (en) * | 2014-07-30 | 2014-12-17 | 济南新吉纳远程测控股份有限公司 | Intelligent terminal cabinet and the internet sales system of selling for fresh vegetable |
Non-Patent Citations (2)
| Title |
|---|
| 奚大顺: "《电子技术随笔——一位老电子技术工作者的心得》", 31 January 2015, 北京航空航天大学出版社 * |
| 张洪润，唐昌建: "《电子线路与电子技术》", 31 January 2003, 科学出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353657A (en) * | 2015-11-09 | 2016-02-24 | 珠海格力电器股份有限公司 | Distribution cabinet and control method thereof |
| CN105353657B (en) * | 2015-11-09 | 2018-01-23 | 珠海格力电器股份有限公司 | Distribution cabinet and control method thereof |
| CN109211303A (en) * | 2017-07-03 | 2019-01-15 | 威海新北洋数码科技有限公司 | A kind of bin door state detection method, detection device and the express delivery cabinet of express delivery cabinet |
| WO2020083008A1 (en) * | 2018-10-26 | 2020-04-30 | 珠海格力电器股份有限公司 | Motor driving circuit and control method therefor, and driving chip |
| US11952798B2 (en) | 2018-10-26 | 2024-04-09 | Gree Electric Appliances, Inc. Of Zhuhai | Motor driving circuit, control method therefor, and driving chip |
| CN109993872A (en) * | 2019-04-16 | 2019-07-09 | 广东安快智能科技有限公司 | A kind of distributed control structure for access door |
| CN113419468A (en) * | 2021-07-15 | 2021-09-21 | 深圳市丰巢网络技术有限公司 | Express cabinet |
| CN113419468B (en) * | 2021-07-15 | 2023-09-26 | 深圳市丰巢网络技术有限公司 | express cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104899945B (en) | 2018-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104899945A (en) | Control apparatus and method of sub cabinet lock of express delivery cabinet | |
| US20150137620A1 (en) | Anti-interference switch signal transmission circuit | |
| CN104113444A (en) | Current loop communication control and detection circuit | |
| KR101933595B1 (en) | Optical module preventing laser beam leakage, and control method | |
| CN101820314B (en) | Single-line bidirectional communication optical coupling isolation circuit | |
| CN203278656U (en) | Switching power supply, and optoelectronic coupler isolation transmission circuit for digital-control switching power supply | |
| CN210490838U (en) | Isolated communication circuit and system | |
| CN102496955A (en) | Intelligent photovoltaic system and method for data detection and transmission | |
| CN204559598U (en) | A kind of electric supply installation of fiber optic network end-equipment | |
| CN103964233A (en) | Control method and control device for wafer transferring | |
| CN103382945A (en) | Fan control system | |
| CN203368488U (en) | Modulated laser emitter | |
| CN205265517U (en) | Dry node output circuit device that optic fibre is kept apart | |
| CN205160517U (en) | Communication monitoring system | |
| CN105119652A (en) | Optical cable main/standby routing controller | |
| CN203608221U (en) | Coupling device for EtherCAT (Ethernet for Control and Automation Technology) network master stations and EtherCAT network coupling system | |
| CN205945754U (en) | Optical network holds equipment in place with a net and receive circuit thereof | |
| CN103914010A (en) | Radio-frequency change-over switch capable of keeping original communication state when powered off | |
| CN102938671A (en) | Terminal device and long luminescence detection circuit thereof | |
| CN104135449A (en) | Design method for switching sharelink network based on BMC (Baseboard Management Controller) management chip | |
| CN103580747A (en) | High-speed electronic switch type optical cable protector | |
| CN220210422U (en) | Load isolation control device and isolation control equipment | |
| CN209656835U (en) | A kind of two core cable of long-distance intelligent is to line circuit | |
| CN203644031U (en) | RS485 signal forwarding device | |
| CN202059217U (en) | Remote operation control device of high-voltage cable branching box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |