CN214955320U - Wiring device and control system - Google Patents
Wiring device and control system Download PDFInfo
- Publication number
- CN214955320U CN214955320U CN202120706791.5U CN202120706791U CN214955320U CN 214955320 U CN214955320 U CN 214955320U CN 202120706791 U CN202120706791 U CN 202120706791U CN 214955320 U CN214955320 U CN 214955320U
- Authority
- CN
- China
- Prior art keywords
- terminal
- wireless
- terminal row
- row
- receiving
- 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.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a wiring device and a control system, wherein the wiring device is used for communicating a control main station with an equipment body and comprises a first transmission component and a second transmission component, the first transmission component comprises an output terminal row and a receiving terminal row which are electrically connected, the second transmission component and the first transmission component are arranged at intervals, and the second transmission component comprises a wireless transmitting terminal row and a wireless receiving terminal row which are electrically connected; the wiring device has a first working state and a second working state, wherein in the first working state, the first transmission assembly is communicated with the control master station and the equipment body, and in the second working state, the second transmission assembly is communicated with the control master station and the equipment body. The utility model provides an among the technical scheme, can select through the control main website and realize switching with first transmission assembly or second transmission assembly to solve the problem that current switching mode switches inefficiency.
Description
Technical Field
The utility model relates to an industrial automation equipment field especially relates to termination and control system.
Background
Because the tippler can overturn and move during the working period, wireless control is generally adopted in the process of controlling the tippler, so that the phenomenon that a control signal wire is broken and damaged and is in poor contact when wired control is adopted for a long time is avoided.
Only adopt wireless communication to control during normal use among original control system, then need shut down the maintenance when wireless device breaks down, want to replace into other circuit this moment if wireless device breaks down, then need spend more time to remove wireless control device, resume control system, it is comparatively troublesome to its troubleshooting and carry out wired control switching, and it is more time consuming, causes the vehicle backlog this moment easily, influences production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a termination and control system aims at solving the problem that current switching mode switches inefficiency.
In order to achieve the above object, the utility model provides a wiring device for intercommunication control main website and equipment body, wherein wiring device includes:
the first transmission assembly comprises an output terminal row and a receiving terminal row, the output terminal row is electrically connected with the receiving terminal row, the output terminal row is used for electrically connecting the control master station, and the receiving terminal row is used for electrically connecting the equipment body; and the number of the first and second groups,
the second transmission assembly is arranged at intervals with the first transmission assembly and comprises a wireless transmitting terminal row and a wireless receiving terminal row, the wireless transmitting terminal row is electrically connected with the control master station, and the wireless receiving terminal row is connected with the equipment body;
the wiring device is provided with a first working state and a second working state, the first transmission assembly is used for communicating the control master station with the equipment body in the first working state, and the second transmission assembly is used for communicating the control master station with the equipment body in the second working state.
Optionally, the output terminal row has a first terminal and a second terminal, and the first terminal is used for electrically connecting with the control master station;
the receiving terminal row is provided with a third terminal and a fourth terminal, and the third terminal is used for being electrically connected with the equipment body;
in the first working state, the fourth terminal is connected with the second terminal through a cable, and in the second working state, the fourth terminal is disconnected with the second terminal.
Optionally, the cable is a flexible cable.
Optionally, the wireless transmitting terminal row has a fifth terminal and a sixth terminal, the fifth terminal is used for electrically connecting with the terminal row of the control master station, and the sixth terminal is used for electrically connecting with the wireless transmitting device;
the wireless receiving terminal row is provided with a seventh terminal and an eighth terminal, the seventh terminal is used for being electrically connected with the terminal row of the equipment body, and the eighth terminal is used for being electrically connected with the wireless receiving device;
in the second working state, the sixth terminal and the eighth terminal are in wireless connection transmission, so that the wireless transmitting device sends out a wireless signal to the wireless receiving device.
Optionally, the output terminal row includes a plurality of conveying terminals disposed on the second terminal, and the plurality of conveying terminals are sequentially arranged at intervals along a length extending direction of the output terminal row;
the receiving terminal row comprises a plurality of receiving terminals arranged on the fourth wiring end, the receiving terminals are sequentially arranged along the length extending direction of the receiving terminal row, and the conveying terminals are respectively correspondingly connected with the receiving terminals one by one.
The utility model also provides a control system, which comprises a control main station,
the equipment body is communicated with the control master station; and the number of the first and second groups,
the wiring device is used for connecting the control master station and the equipment body, so that the equipment body receives an operation signal sent by the control master station,
the wiring device comprises a first transmission assembly and a second transmission assembly, the first transmission assembly comprises an output terminal row and a receiving terminal row, the output terminal row is electrically connected with the receiving terminal row, the output terminal row is used for electrically connecting the control master station, and the receiving terminal row is used for electrically connecting the equipment body; and the number of the first and second groups,
the second transmission assembly is arranged at intervals with the first transmission assembly and comprises a wireless transmitting terminal row and a wireless receiving terminal row, the wireless transmitting terminal row is electrically connected with the control master station, and the wireless receiving terminal row is connected with the equipment body;
the wiring device is provided with a first working state and a second working state, the first transmission assembly is communicated with the control main station and the equipment body in the first working state, and the second transmission assembly is communicated with the control main station and the equipment body in the second working state.
Optionally, the control system further includes a wireless transmitting device and a wireless receiving device, the wireless transmitting device is electrically connected to the wireless transmitting terminal strip, the wireless receiving device is electrically connected to the wireless receiving terminal strip, and the wireless receiving device is configured to receive the wireless signal transmitted by the wireless transmitting device.
Optionally, the wireless transmission terminal block is hard-wired to the wireless transmission device.
Optionally, the control system further comprises a signal cable, the signal cable comprises a plurality of wireless signal lines, and the wireless signal lines are arranged at intervals along the signal cable;
the wireless transmitting terminal strip comprises a plurality of wiring terminals arranged on the sixth wiring terminal, and the wiring terminals are sequentially arranged along the length of the wireless transmitting terminal strip;
the wireless signal lines are provided with first connecting ends and second connecting ends, the first connecting ends of the wireless signal lines are connected with the wireless transmitting device, and the second connecting ends of the wireless signal lines are connected with the wiring terminals in a one-to-one correspondence mode.
Optionally, the wireless reception terminal block is hard-wired to the wireless reception device.
In the technical scheme provided by the utility model, the original wireless transmission line is reformed, a wiring device is added, the wiring device comprises a first transmission component and a second transmission component, the first transmission component comprises an output terminal row and a receiving terminal row, the output terminal row is electrically connected with the receiving terminal row, the output terminal row is used for electrically connecting the control main station, the receiving terminal row is used for electrically connecting the equipment body, a signal cable connected with the wireless transmission device of the control main station is picked out to be made into a wireless transmission terminal row, the wireless transmission terminal row is used for connecting the control main station, a signal cable connected with the wireless receiving terminal row of the equipment body is picked out to be made into a wireless transmission terminal row, the wireless transmission terminal row is used for connecting the equipment body, the second transmission component comprises a wireless transmission terminal row and a wireless receiving terminal row, the wireless transmitting terminal strip is electrically connected with the wireless receiving terminal strip, the wireless transmitting terminal strip is used for electrically connecting with the control master station, the wireless receiving terminal strip is used for connecting the equipment body, the wiring device has a first working state and a second working state, in the first working state, the first transmission assembly is communicated with the control master station and the equipment body, in the second working state, the second transmission assembly is communicated with the control master station and the equipment body, under the normal condition, the wiring device is in a second working state, the control main station is in wireless connection with the equipment body, when the wireless connection fails in the working process, the terminal strip of the control main station is switched to be connected with the output terminal strip, the wiring device is conveniently switched to the first working state, so that the problem of low efficiency of the conventional wiring device in line control switching is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a control system provided by the present invention;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Wiring device | 4 | Wireless |
| 1000 | Control main station | 11 | |
| 2000 | |
12 | |
| 1001 | Terminal row for controlling |
21 | |
| 2001 | Terminal strip of |
22 | |
| 3000 | |
31 | |
| 4000 | |
32 | |
| 1 | |
41 | Seventh terminal |
| 2 | |
42 | |
| 3 | Wireless transmitting terminal row |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Because the tippler can overturn and move during the working period, wireless control is generally adopted in the process of controlling the tippler, so that the phenomenon that a control signal wire is broken and damaged and is in poor contact when wired control is adopted for a long time is avoided. Only adopt wireless communication to control during normal use among original control system, then need shut down the maintenance when wireless device breaks down, want to replace into other circuit this moment if wireless device breaks down, then need spend more time to remove wireless control device, resume control system, it is comparatively troublesome to its troubleshooting and carry out wired control switching, and it is more time consuming, causes the vehicle backlog this moment easily, influences production.
In order to solve the above problem, the present invention provides a wiring device 100, which is used for communicating a terminal strip 1001 of a main station and a terminal strip 2001 of an apparatus body, and fig. 1 is the present invention provides a specific embodiment of the wiring device 100.
Referring to fig. 1, the wiring device 100 includes a first transmission module and a second transmission module, the first transmission module includes an output terminal row 1 and a receiving terminal row 2, the output terminal row 1 is electrically connected to the control master station 1000, the receiving terminal row 2 is electrically connected to the device body 2000, the second transmission module is spaced apart from the first transmission module, the second transmission module includes a wireless transmitting terminal row 3 and a wireless receiving terminal row 4, the wireless transmitting terminal row 3 is electrically connected to the control master station 1000, the wireless receiving terminal row 4 is connected to the device body 2000, the wiring device 100 has a first working state and a second working state, in the first operating state, the first transmission assembly is configured to communicate the control master station 1000 with the device body 2000, and in the second operating state, the second transmission assembly is configured to communicate the control master station 1000 with the device body 2000.
In the technical solution provided by the utility model, the original wireless transmission line is reformed, the wiring device 100 is added, the wiring device 100 comprises a first transmission component and a second transmission component, the first transmission component comprises an output terminal row 1 and a receiving terminal row 2, the output terminal row 1 is electrically connected with the receiving terminal row 2, the output terminal row 1 is used for electrically connecting the control master station 1000, the receiving terminal row 2 is used for electrically connecting the equipment body 2000, the signal cable connecting the control master station 1000 with the wireless transmitting device 3000 is picked out to form a wireless transmitting terminal row 3, the wireless transmitting terminal row 3 is used for connecting the control master station 1000, the signal cable connecting the equipment body 2000 with the wireless receiving terminal row 4 is picked out to form a wireless transmitting terminal row 3, the wireless transmitting terminal row 3 is used for connecting the equipment body 2000, the second transmission assembly comprises a wireless transmission terminal row 3 and a wireless receiving terminal row 4, the wireless transmission terminal row 3 is electrically connected with the control master station 1000, the wireless receiving terminal row 4 is connected with the device body 2000, the wiring device 100 has a first working state and a second working state, in the first working state, the first transmission assembly is communicated with the control master station 1000 and the device body 2000, in the second working state, the second transmission assembly is communicated with the control master station 1000 and the device body 2000, and if a fault occurs when the wiring device 100 is in the second working state, the wiring device 100 is conveniently switched to the first working state by switching the terminal row 1001 of the control master station to be connected with the output terminal row 1, the problem of low efficiency when the existing wiring device 100 is switched in an online control mode is solved.
Specifically, in the present embodiment, the output terminal row 1 has a first terminal 11 and a second terminal 12, and the first terminal 11 is used for electrically connecting with a terminal row 1001 of a control master station; the reception terminal block 2 has a third terminal 21 and a fourth terminal 22, the third terminal 21 being for electrical connection with the terminal block 2001 of the apparatus body; in the first operating state, the fourth terminal 22 is connected to the second terminal 12 by a cable, and in the second operating state, the fourth terminal 22 is disconnected from the second terminal 12. Therefore, when the control master station 1000 is communicated with the device body 2000 through the first transmission assembly, information can be transmitted in a wired connection mode, the communication mode is more stable, and the control master station 1000 can temporarily solve the problem that the control master station sends an operation instruction to the device body 2000 efficiently as a spare switching circuit, and the input cost is low.
Specifically, the cable includes the multiple, mainly includes bare wire, electromagnetic wire and motor electric appliance with insulated wire, power cable, communication cable and optical cable, because of when the tipper carries out the operation, often takes place the displacement, action such as upset makes the cable fatigue fracture of connection easily, for the extension termination 100's life, in this embodiment, the cable is flexible cable. The flexible cable is a preferred cable of a power transmission material and a signal transmission carrier in a drag chain motion system, and is also called as a drag chain cable, a drag cable, a mobile cable, a robot cable and the like. The conductor structure of the flexible cable is mainly based on the twisted copper conductor structure of DIN VDE 0295 and IEC 228 standards, the sheath is made of low-viscosity flexible wear-resistant materials so as to reduce the wear rate of the cable in continuous reciprocating movement, and the flexible cable has the advantages of large carrying surface, strong corrosion resistance and the like and can prevent the problems of aging, brittleness and the like.
Specifically, when the car dumper is operated, the car dumper is frequently displaced and overturned, so that a connected cable is prone to fatigue fracture, and in order to prolong the service life of the wiring device 100, in this embodiment, the wireless transmission terminal row 3 has a fifth terminal 31 and a sixth terminal 32, the fifth terminal 31 is used for being electrically connected with the terminal row 1001 of the control master station, and the sixth terminal 32 is used for being electrically connected with the wireless transmission device 3000; the wireless receiving terminal row 4 has a seventh terminal 41 and an eighth terminal 42, the seventh terminal 41 is used for electrically connecting with the terminal row 2001 of the apparatus body, the eighth terminal 42 is used for electrically connecting with the wireless receiving device 4000; in the second working state, the sixth terminal is in wireless connection with the eighth terminal for transmission, and the wireless transmitting device 3000 transmits a wireless signal to the wireless receiving device 4000, so that the tippler is not limited by time and space in the normalized production operation due to the characteristics of good mobility and strong flexibility of wireless transmission.
Specifically, in order to facilitate switching of the connection lines, in this embodiment, the output terminal row 1 includes a plurality of conveying terminals disposed on the second terminal 12, and the plurality of conveying terminals are sequentially arranged at intervals along the length extension direction of the output terminal row 1; the receiving terminal row 2 includes a plurality of receiving terminals disposed on the fourth wiring end 22, the receiving terminals are sequentially arranged along the length extending direction of the receiving terminal row 2, and each of the transmitting terminals is correspondingly connected to each of the receiving terminals one by one. The wiring terminal strip is a type of electrical component used for connecting a circuit, generally plays a role in signal or current and voltage transmission, and is vivid, attractive and tidy because the terminal strip can distinguish and separate the circuit, so that the circuit is not as disorderly as a spider net, and the wiring terminal strip is vivid and attractive; if go wrong in the circuit, measure the voltage that corresponds on the terminal row through the voltage to find out the trouble fast, all can have different marks on the terminal row in addition, thereby be convenient for maintenance and detection.
The utility model also provides a control system, control system includes control main website 1000, equipment body 2000 and above-mentioned termination 100, equipment body 2000 with control main website 1000 intercommunication sets up, termination 100 switch-on control main website 1000 with equipment body 2000, so that control main website 1000 to equipment body 2000 sends operating signal. The specific structure of the wiring device 100 refers to the above embodiments, and since the control system adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by all the technical solutions of all the above embodiments are achieved, and no further description is given here.
Further, in order to achieve the purpose of wireless transmission, so that the tipper can flexibly and normally operate without being limited, in this embodiment, the control system further includes a wireless transmitting device 3000 and a wireless receiving device 4000, the wireless transmitting device 3000 is electrically connected to the wireless transmitting terminal row 3, the wireless receiving device 4000 is electrically connected to the wireless receiving terminal row 4, the wireless receiving device 4000 is configured to receive a wireless signal transmitted by the wireless transmitting device 3000, when the control master station 1000 transmits an operation signal, the wireless transmitting terminal row 3 is connected to the wireless transmitting device 3000 to transmit a control signal, the wireless transmitting device 3000 transmits a wireless signal to the wireless receiving device 4000, the wireless receiving device 4000 transmits the received signal to the apparatus body 2000 through the electrically connected wireless receiving terminal row 4, thereby operating the apparatus body 2000.
Specifically, in this embodiment, the wireless transmitting terminal strip 3 is electrically connected to the wireless transmitting device 3000 through hard wiring, and the advantage of the hard wiring is that the I/O module cabinets of electrical quantity are centrally arranged, so that the management is convenient and the operating environment of the device is good; the signal transmission transfer link is few, the reaction to the on-site signal is rapid and reliable, the probability of failure is low after the connecting cable is laid correctly once, and the maintenance workload is small. The hard-wired mode is the most reliable and rapid mode for accessing electrical information into DCS, although the one-time investment is high. Therefore, in the case that the communication mode is gradually applied, the reliability, the real-time performance and the certainty of the electric interlocking and control are improved by adopting the hard-wiring mode.
Specifically, before line modification, the terminal strip 1001 of the control master station is connected to the wireless transmission terminal strip 3 through a signal cable, and in order to achieve faster line switching, in this embodiment, the control system further includes a signal cable, where the signal cable is a signal cable that is connected to the terminal strip 1001 of the control master station and the wireless transmission terminal strip 3 before modification, the signal cable includes a plurality of wireless signal lines, and the wireless signal lines are arranged along the signal cable at intervals; the wireless transmitting terminal block 3 includes a plurality of connecting terminals disposed on the sixth connecting terminal 32, the plurality of connecting terminals are sequentially arranged along the length of the wireless transmitting terminal block 3, each wireless signal line has a first connecting end and a second connecting end, the first connecting end of each wireless signal line is connected with the wireless transmitting device 3000, and the second connecting end of each wireless signal line is connected with each connecting terminal in a one-to-one correspondence manner, so that the wireless signal line of the original signal cable is manufactured into the wireless transmitting terminal block 3 which is easily and quickly communicated with other terminal blocks.
Specifically, also in order to improve reliability, real-time performance, and certainty of interlocking of the electrical automation apparatus, in the present embodiment, the eighth terminal 42 is electrically connected to the wireless receiving device 4000 by a hard wire.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (7)
1. A termination for intercommunication control main website and equipment body, its characterized in that includes:
the first transmission assembly comprises an output terminal row and a receiving terminal row, the output terminal row is electrically connected with the receiving terminal row, the output terminal row is used for electrically connecting the control master station, and the receiving terminal row is used for electrically connecting the equipment body; and the number of the first and second groups,
the second transmission assembly is arranged at intervals with the first transmission assembly and comprises a wireless transmitting terminal row and a wireless receiving terminal row, the wireless transmitting terminal row is electrically connected with the control master station, and the wireless receiving terminal row is connected with the equipment body;
the wiring device is provided with a first working state and a second working state, the first transmission assembly is used for communicating the control master station with the equipment body in the first working state, and the second transmission assembly is used for communicating the control master station with the equipment body in the second working state;
the output terminal row is provided with a first terminal and a second terminal, and the first terminal is used for being electrically connected with the terminal row of the control main station;
the receiving terminal row is provided with a third terminal and a fourth terminal, and the third terminal is electrically connected with the terminal row of the equipment body;
in the first working state, the fourth terminal is connected with the second terminal through a cable, and in the second working state, the fourth terminal is disconnected with the second terminal;
the wireless transmitting terminal row is provided with a fifth terminal and a sixth terminal, the fifth terminal is used for being electrically connected with the terminal row of the control main station, and the sixth terminal is used for being electrically connected with a wireless transmitting device;
the wireless receiving terminal row is provided with a seventh terminal and an eighth terminal, the seventh terminal is used for being electrically connected with the equipment body, and the eighth terminal is used for being electrically connected with a wireless receiving device;
in the second working state, the sixth terminal and the eighth terminal are in wireless connection transmission, so that the wireless transmitting device sends a wireless signal to the wireless receiving device;
the output terminal row comprises a plurality of conveying terminals arranged on the second wiring end, and the conveying terminals are sequentially arranged at intervals along the length extending direction of the output terminal row;
the receiving terminal row comprises a plurality of receiving terminals arranged on the fourth wiring end, the receiving terminals are sequentially arranged along the length extending direction of the receiving terminal row, and the conveying terminals are respectively correspondingly connected with the receiving terminals one by one.
2. The wiring lug of claim 1, wherein the cable is a flexible cable.
3. A control system, comprising:
a control master station;
the equipment body is communicated with the control master station; and the number of the first and second groups,
the wiring device as claimed in any one of claims 1 to 2, wherein the wiring device is used to connect the control master station and the device body, so that the device body receives an operation signal transmitted by the control master station.
4. The control system of claim 3, further comprising a wireless transmitter configured to electrically connect to the wireless transmitter terminal array and a wireless receiver configured to electrically connect to the wireless receiver terminal array, wherein the wireless receiver is configured to receive the wireless signal transmitted by the wireless transmitter.
5. The control system of claim 4, wherein the wireless transmission terminal block is hard wired to the wireless transmission device.
6. The control system of claim 5, further comprising a signal cable, the signal cable including a plurality of wireless signal lines, each of the wireless signal lines being spaced apart from one another along the signal cable;
the wireless transmitting terminal strip comprises a plurality of wiring terminals arranged on the sixth wiring terminal, and the wiring terminals are sequentially arranged along the length of the wireless transmitting terminal strip;
the wireless signal lines are provided with first connecting ends and second connecting ends, the first connecting ends of the wireless signal lines are connected with the wireless transmitting device, and the second connecting ends of the wireless signal lines are connected with the wiring terminals in a one-to-one correspondence mode.
7. The control system of claim 4, wherein the wireless receiving terminal block is hard wired to the wireless receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706791.5U CN214955320U (en) | 2021-04-07 | 2021-04-07 | Wiring device and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706791.5U CN214955320U (en) | 2021-04-07 | 2021-04-07 | Wiring device and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955320U true CN214955320U (en) | 2021-11-30 |
Family
ID=79047859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120706791.5U Active CN214955320U (en) | 2021-04-07 | 2021-04-07 | Wiring device and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955320U (en) |
-
2021
- 2021-04-07 CN CN202120706791.5U patent/CN214955320U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102570611B (en) | Real-time bus working state monitoring method and intelligent bus system | |
| CN105514712A (en) | Power supply extension line | |
| CN103178405A (en) | Connecting device capable of detecting connecting states, electric connection assembly and electronic device | |
| CN214955320U (en) | Wiring device and control system | |
| EP3357221B1 (en) | Power cabling connections for remote radio heads and related methods | |
| CN104348051A (en) | Cable connector assembly | |
| CN102629882A (en) | Power carrier communication system of cable shielding layer | |
| CN203423005U (en) | Composite power cable having single bus transmission function | |
| CN213754980U (en) | Radio frequency coupling device and radio frequency system | |
| CN202795352U (en) | Wiring method for recommend standard (RS) 232 interface and RS 485 interface | |
| CN112882978B (en) | Serial data transmission device, method and data processing equipment | |
| CN204930874U (en) | A kind of express delivery cabinet | |
| CN201576066U (en) | Electrical insulation testing device | |
| CN105206898B (en) | Microwave telecommunication devices and microwave telecommunication system | |
| CN202167634U (en) | Connector device | |
| WO2003023731A1 (en) | A contact-less data transmission system for rotating machinery | |
| CN105261894A (en) | Cable connection device and monitoring system | |
| CN104360661A (en) | Energy consumption monitoring terminal controller with wireless function | |
| CN201266852Y (en) | Device for switching remote signaling | |
| CN217239072U (en) | Multifunctional environment-friendly cross-linked power cable | |
| CN212572590U (en) | Industrial wireless network bridge with MESH function | |
| CN213403011U (en) | RS-485 communication circuit, connector and wireless gateway | |
| CN203590230U (en) | Signal transmission system and combined equipment for installation of system | |
| CN220874540U (en) | Power supply sliding contact line communication system | |
| CN218868219U (en) | Dual-mode output receiver for agricultural equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |