CN216486811U - Switching value information alarm device - Google Patents
Switching value information alarm device Download PDFInfo
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- CN216486811U CN216486811U CN202121420201.9U CN202121420201U CN216486811U CN 216486811 U CN216486811 U CN 216486811U CN 202121420201 U CN202121420201 U CN 202121420201U CN 216486811 U CN216486811 U CN 216486811U
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Abstract
The utility model provides a switching value information alarm device, which comprises equipment controlled by switching value, a processor and an alarm; the processor comprises an acquisition module and a comparison circuit; the equipment is connected with the acquisition module, the acquisition module is connected with the comparison circuit, and the comparison circuit is connected with the alarm; the acquisition module is used for acquiring switching value information of the equipment and sending the switching value information to the comparison circuit; the comparison circuit is used for comparing the switching value information with the preset switching value information of the equipment, and when the switching value information is inconsistent with the preset switching value information, the alarm is triggered to give an alarm. The utility model realizes the automatic real-time acquisition of the switching value information of the equipment and the acquisition of the condition of the equipment, and reduces the labor cost; and when the switching value information is inconsistent with the preset switching value information, the alarm can be triggered to give an alarm in time, so that a maintainer can find the abnormal condition of the equipment in time and process the abnormal condition, and the safe operation of the equipment is ensured.
Description
Technical Field
The utility model relates to the technical field of circuit control, in particular to a switching value information alarm device.
Background
At present, in urban rail transit lines, main line stations are divided into equipment concentration stations and non-equipment concentration stations according to scale and function. Generally, a main signal device is provided at a device concentration station, and a part of a power supply device, a communication device, and an ATS (Automatic Train Supervision) device is provided at a non-device concentration station.
The switching value alarm information of the non-equipment centralized station comprises power supply alarm, circuit breaker alarm and the like. At present, most rail transit lines do not collect equipment switching value alarm information of non-centralized stations. Usually, the maintenance personnel are located in the equipment centralized station, so that the maintenance personnel cannot remotely monitor the switching value information of the non-equipment centralized station. When equipment of a non-equipment concentration station breaks down, maintenance personnel can determine the broken-down equipment after checking the equipment in the non-equipment concentration station one by one, and then maintain the equipment.
Through the manual inspection mode, when the switching value information in the non-equipment concentration station is abnormal, the switching value information cannot be found and processed in time, and the maintenance efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switching value information alarm device, which is used for solving the defects that in the prior art, when the switching value information in a non-equipment centralized station is abnormal, the switching value information cannot be found and processed in time and the maintenance efficiency is low, and realizing real-time alarm when the switching value information of equipment in the non-equipment centralized station is abnormal.
The utility model provides a switching value information alarm device, which comprises a device controlled by a switching value, a processor and an alarm;
the processor comprises an acquisition module and a comparison circuit;
the equipment is connected with the acquisition module, the acquisition module is connected with the comparison circuit, and the comparison circuit is connected with the alarm;
the acquisition module is used for acquiring switching value information of the equipment and sending the switching value information to the comparison circuit;
the comparison circuit is used for comparing the switching value information with preset switching value information of the equipment, and when the switching value information is inconsistent with the preset switching value information, the alarm is triggered to give an alarm.
The switching value information alarm device further comprises a dry contact point;
the input end of the dry contact is connected with the equipment, and the output end of the dry contact is connected with the acquisition module;
the state of the dry contact point changes along with the change of the switching value information of the equipment;
and the output end of the dry contact outputs the switching value information.
The switching value information alarm device further comprises a photoelectric coupler;
the photoelectric coupler is connected with the dry contact, and the photoelectric coupler is connected with the acquisition module;
the photoelectric coupler is used for converting the switching value information into a level signal and inputting the level signal into the acquisition module;
the acquisition module is used for transmitting the level signal to the comparison circuit;
the comparison circuit is used for comparing the level signal with a preset level signal of the equipment, and when the level signal is inconsistent with the preset level signal, the alarm is triggered to give an alarm.
The switching value information alarm device further comprises a display device;
the display device is connected with the acquisition module and used for displaying the switching value information.
The switching value information alarm device further comprises a communication module;
the processor is connected with the display device through the communication module;
the processor is used for transmitting the switching value information to the display device through the communication module.
According to the switching value information alarm device provided by the utility model, the communication module comprises a wired transmission module and/or a wireless transmission module.
According to the switching value information alarm device provided by the utility model, the equipment comprises a plurality of sub-modules;
the acquisition module comprises a plurality of input interfaces;
each submodule is connected with a corresponding input interface;
the acquisition module is used for acquiring the switching value information of each submodule through the input interface and sending the switching value information of each submodule to the comparison circuit.
According to the switching value information alarm device provided by the utility model, the equipment is positioned in a non-equipment centralized station.
According to the switching value information alarm device provided by the utility model, the processor and the alarm are installed in the comprehensive cabinet of the non-equipment centralized station.
The switching value information alarm device further comprises an ATS workstation;
the ATS workstation is connected with the processor and the display device;
wherein the display device comprises a plurality of display devices;
the processor is used for sending the switching value information to the ATS workstation;
and the ATS workstation is used for sending the switching value information to each display device through a backbone network.
According to the switching value information alarm device, the switching value information of the equipment is automatically acquired in real time through the acquisition module, and the switching value information is compared with the preset switching value information through the comparison circuit, so that the condition of the equipment is automatically acquired, the accuracy and the real-time performance of the acquisition of the switching value information of the equipment can be improved, and the labor cost is reduced; and when the switching value information is inconsistent with the preset switching value information, the alarm can be triggered to give an alarm in time, so that a maintainer can find the abnormal condition of the equipment in time and process the abnormal condition, and the safe operation of the equipment is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a switching value information alarm device provided by the utility model;
FIG. 2 is a second schematic structural diagram of a switching value information alarm device provided by the present invention;
fig. 3 is one of schematic structural diagrams of a switching value information acquisition device provided in the prior art;
fig. 4 is a second schematic structural diagram of a switching value information acquisition device provided in the prior art;
reference numerals:
1: a processor; 2: an alarm; 3: dry contact points;
4: a photoelectric coupler; 5: a communication module; 6: an ATS workstation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The switching value information alarm device described below in conjunction with fig. 1 includes a device controlled by the switching value, a processor 1, and an alarm 2; the processor 1 comprises an acquisition module and a comparison circuit; the equipment is connected with the acquisition module, the acquisition module is connected with the comparison circuit, and the comparison circuit is connected with the alarm 2;
the devices controlled by the switching value include a power supply alarm, a circuit breaker alarm and an environment monitoring alarm, which is not optionally limited in this embodiment.
The number of devices controlled by the switching amount may be one or more, and this embodiment is not optionally limited thereto.
The number of the processors 1 may be one or more, and this embodiment is not limited to this.
The alarm 2 may be a light alarm, an audible and visual alarm, etc., and this embodiment is not limited thereto.
Optionally, the collection module may be directly connected to the device or indirectly connected to the device.
The output end of the acquisition module is connected with the input end of the comparison circuit, and the output end of the comparison circuit is connected with the alarm 2.
The acquisition module is used for acquiring switching value information of the equipment and sending the switching value information to the comparison circuit;
the acquisition module can directly acquire the switching value information of the equipment and can also indirectly acquire the switching value information of the equipment.
And after the acquisition module acquires the switching value information of the equipment, the switching value information is transmitted to the comparison circuit in real time.
The switching value information of the equipment can be automatically acquired in real time by the acquisition module, the labor cost is greatly reduced, the acquired switching value information can be sent to the comparison circuit in real time, and good real-time performance is achieved.
The comparison circuit is used for comparing the switching value information with preset switching value information of the equipment, and when the switching value information is inconsistent with the preset switching value information, the alarm 2 is triggered to give an alarm.
The comparison circuit stores preset switching value information configured according to the attribute of the equipment, and the preset switching value information is switching value information of the equipment under normal conditions.
After the comparison circuit receives the switching value information of the equipment, the switching value information of the equipment is compared with the preset switching value information, whether the switching value information is consistent with the preset switching value information or not is determined, under the condition that the switching value information is consistent with the preset switching value information, the equipment is normal, and the comparison circuit outputs a low level signal 0 to the alarm 2. At this time, the alarm 2 is in a standby state and does not give an alarm.
And under the condition that the switching value information is inconsistent with the preset switching value information, the equipment is abnormal, the comparison circuit outputs a high-level signal 1 to the alarm 2, and the alarm 2 is triggered to give an alarm so as to prompt maintenance personnel to timely process abnormal equipment.
The comparison circuit of the embodiment can automatically acquire the condition of the equipment, so that errors caused by the condition of the equipment needing to be determined according to experience in the manual patrol process can be effectively reduced, and the accuracy of monitoring the equipment is effectively improved. And when the equipment is abnormal, the alarm gives an alarm in time and prompts maintenance personnel to maintain.
In the embodiment, the switching value information of the equipment is automatically acquired in real time through the acquisition module, and the switching value information is compared with the preset switching value information through the comparison circuit, so that the condition of the equipment is automatically acquired, the accuracy and the real-time performance of the acquisition of the switching value information of the equipment can be improved, and the labor cost is reduced; and when the switching value information is inconsistent with the preset switching value information, the alarm can be triggered to give an alarm in time, so that a maintainer can find the abnormal condition of the equipment in time and process the abnormal condition, and the safe operation of the equipment is ensured.
On the basis of the above embodiment, the present embodiment further includes a dry contact 3; the input end of the dry contact 3 is connected with the equipment, and the output end of the dry contact 3 is connected with the acquisition module; the state of the dry contact 3 changes along with the change of the switching value information of the equipment; the output end of the dry contact 3 outputs the switching value information.
Wherein the dry contact 3 is an electrical switch having 2 states of being closed and open. The dry contact 3 may be a contact switch or a limit switch, etc., and this embodiment is not limited to this.
The output end of the equipment is connected with a dry contact 3, and the state of the dry contact 3 changes according to the change of the switching value information of the equipment, namely the state of the dry contact 3 can be used for representing the switching value information of the equipment.
Optionally, the switching value information acquired by the acquisition module is the state of the dry contact 3.
If the switching value information of the alarm module of the power supply screen is normal, the dry contact 3 is in a closed state; and if the switching value information of the alarm module of the power supply screen is abnormal, the dry contact 3 is in a disconnected state.
The switching value information of the equipment is collected through the state of the dry contact point, so that the method is applicable to all equipment which has the form of the dry contact point and is controlled by the switching value, and the application range is wide.
On the basis of the above embodiment, the photoelectric coupler 4 is also included; the photoelectric coupler 4 is connected with the dry contact 3, and the photoelectric coupler 4 is connected with the acquisition module; the photoelectric coupler 4 is used for converting the switching value information into a level signal and inputting the level signal into the acquisition module; the acquisition module is used for transmitting the level signal to the comparison circuit; the comparison circuit is used for comparing the level signal with a preset level signal of the equipment, and when the level signal is inconsistent with the preset level signal, the alarm 2 is triggered to give an alarm.
The photocoupler 4 is a conversion device for transmitting an electric signal from electricity to light and then to electricity through light as a medium. Mainly comprises a luminous source and a light receiver. The light source and the light receiver are assembled in the same closed shell and are isolated from each other by a transparent insulator. The pin of the light emitting source is an input end, and the pin of the light receiver is an output end.
The light emitting source of the photocoupler 4 includes a light emitting diode, and the light receiving device includes a photodiode or a phototriode, etc., which are not optionally limited in this embodiment.
Optionally, an input end of the photoelectric coupler 4 is connected with an output end of the dry contact 3, and an output end of the photoelectric coupler 4 is connected with an input end of the acquisition module.
When the photoelectric coupler 4 receives the switching value information output by the output end of the dry contact 3, the switching value information can be converted into a level signal, and the level signal is input into the acquisition module.
For example, when the dry contact 3 is closed, the photoelectric coupler 4 is powered on, and the output level signal is a high level signal 1; when the dry contact 3 is opened, the photocoupler 4 loses power and outputs a level signal of a low level signal 0.
When the acquisition module receives the level signal sent by the photoelectric coupler 4, the level signal is sent to the comparison circuit.
The comparison circuit stores a preset level signal configured in advance, and the preset level signal is a level signal output by the photoelectric coupler 4 of the device under a normal condition.
When receiving the level signal, the comparison circuit compares the received level signal with a preset level signal, determines whether the received level signal is consistent with the preset level signal, and when the received level signal is inconsistent with the preset level signal, the comparison circuit indicates that the equipment is abnormal and triggers the alarm 2 to give an alarm.
Generally, the switching value information includes various types, such as switching value information of different voltage levels. The photoelectric coupler is adopted in the embodiment, so that different types of switching value information can be converted into level signals; and the dry contact and the equipment can be photoelectrically isolated from the acquisition module, so that the acquisition module is prevented from being influenced by the dry contact and the equipment.
On the basis of the above embodiments, the present example further includes a display device; the display device is connected with the acquisition module and used for displaying the switching value information.
Alternatively, the display device may be disposed in an equipment centralized station or a non-centralized station, which is not optionally limited in this embodiment.
The display device is connected with the acquisition module and can display the switching value information.
The display device can also be connected with the comparison module, and when the level signal is inconsistent with the preset level signal, prompt information of the fault of the display equipment is displayed.
The embodiment displays the switching value information and the fault prompt information on the display device so that maintenance personnel can check the switching value information of the equipment in real time, and can find the switching value information in time when the equipment breaks down, and the maintenance efficiency of the equipment is effectively improved.
On the basis of the above embodiment, the present embodiment further includes a communication module 5; the processor 1 is connected with the display device through the communication module 5; the processor 1 is configured to transmit the switching value information to the display device through the communication module 5.
Optionally, the communication module has the characteristics of strong anti-interference capability, high transmission efficiency and the like, so that when the output end of the processor is connected with the display device through the communication module, the processor can send the switching value information and the fault prompt information to the display device in time through the communication module. Even when the amount of information transmitted is relatively large, the switching value information and the failure indication information can be quickly transmitted to the display device.
It should be noted that, in this embodiment, the photocoupler 4, the processor 1, the communication module 5, and the alarm 2 may be integrated to form a switching value collector.
On the basis of the above embodiments, the communication module 5 in this example includes a wired transmission module and/or a wireless transmission module.
Optionally, the communication module 5 may be a wired transmission module, such as an RS485 bus, or may also be a wireless transmission module, such as Long Range Radio (Long Range Radio) wireless transmission; or a combination of limited transmission and wireless transmission.
The wired transmission module has the characteristics of small interference, high reliability and confidentiality and the like, and the wireless transmission module has the characteristics of low comprehensive cost, more stable performance and the like, so that the communication module adopts the wired transmission module or the wireless transmission module, or the combination of the wired transmission module and the wireless transmission module can ensure the stability of communication and high-efficiency transmission efficiency.
On the basis of the above embodiments, the apparatus in this example includes a plurality of sub-modules; the acquisition module comprises a plurality of input interfaces; each submodule is connected with a corresponding input interface; the acquisition module is used for acquiring the switching value information of each submodule through the input interface and sending the switching value information of each submodule to the comparison circuit.
Wherein a plurality of sub-modules in the device are controlled by switching value.
It should be noted that the number of input interfaces, the number of dry contacts, and the number of photocouplers in the acquisition module are adaptively deployed according to the number of sub-modules in the device.
As shown in fig. 2, the power panel includes three sub-modules, namely a main power supply, an auxiliary power supply and a fault self-checking module; the corresponding acquisition module comprises three input interfaces, namely an input interface A, an input interface B and an input interface C; the number of the dry contact points is three, and the dry contact points are KM1, KM2 and DY respectively; the number of the photoelectric couplers is three, namely a photoelectric coupler A, a photoelectric coupler B and a photoelectric coupler C.
The main power supply is connected with the input interface A, the auxiliary power supply is connected with the input interface B, and the fault self-checking module is connected with the input interface C.
Optionally, the main power supply and the input interface A are connected with the photoelectric coupler A through KM1, the auxiliary power supply and the input interface B are connected with the photoelectric coupler B through KM2, and the fault self-test module and the input interface C are connected with the photoelectric coupler C through DY.
Correspondingly, the acquisition module can acquire the switching value information of the main power supply, the auxiliary power supply and the fault self-checking module through the input interface A, the input interface B and the input interface C respectively, and can send the switching value information of the main power supply, the auxiliary power supply and the fault self-checking module to the comparison circuit.
The comparison circuit determines whether the main power supply, the auxiliary power supply and the fault self-checking module are normal or not according to pre-stored switching value information of the main power supply, the auxiliary power supply and the fault self-checking module, and further determines whether the power supply is normal or not.
If DY is closed, the photoelectric coupler C is electrified and outputs a high level signal 1, and a preset level signal of a fault self-detection module in the comparison circuit is the high level signal 1, the level signal acquired by the acquisition module is consistent with the preset level signal, and the fault self-detection module is normal; DY is disconnected, the photoelectric coupler C loses power and outputs a low level signal 0, the level signal acquired by the acquisition module is inconsistent with the preset level signal, and the fault self-detection module is abnormal, so that the alarm 2 is triggered to give an alarm.
In addition, the present embodiment may also collect and alarm switching value information of multiple devices according to the deployment manner.
The switching value information alarm device in the embodiment can realize that a plurality of devices and/or a plurality of sub-modules under the devices can simultaneously acquire switching value information and/or alarm fault information, and has high maintenance efficiency.
On the basis of the above embodiments, the device in this embodiment is located in a non-device concentration station.
Alternatively, the device may be a device controlled by a switching volume within a non-device set.
The switching value information alarm device in the embodiment can realize real-time alarm and collection of the switching value information of the equipment of the non-equipment centralized station.
On the basis of the above embodiments, in this embodiment, the processor 1 and the alarm 2 are installed in the integrated cabinet of the non-device centralized station.
Optionally, in the prior art, some items collect switching value information of devices in the non-device centralized station in a hard-wired manner. As shown in fig. 3 and 4, the relay and the interlocking machine in the combination cabinet in the equipment concentration station are used to collect the switching value information of the equipment, wherein the equipment, the relay and the interlocking collection equipment are all connected by hard wires, and the equipment in the non-equipment concentration station is usually far away from the combination cabinet in the equipment concentration station, such as 1.2KM, and if the equipment and the combination cabinet are wired one by one, the implementation and maintenance costs are high.
And install treater 1 and alarm 2 in this embodiment in the comprehensive cabinet of station is concentrated to non-equipment, and equipment also sets up in station is concentrated to non-equipment, adopts shorter patchcord can realize equipment and treater 1, is connected between treater 1 and the alarm 2, effectively reduces the maintenance cost.
In addition, the collection power supply for supplying electric energy to the switching value information alarm device in the embodiment can also be arranged in the comprehensive cabinet. The collection power supply may provide an input voltage of 12V and a ground voltage of 12V, which is not specifically limited in this embodiment.
Compare in prior art, this embodiment is installed treater and alarm in the comprehensive cabinet at station is concentrated to non-equipment, can effectively reduce the cost of long distance wiring between the equipment at station is concentrated to equipment to the equipment combination cabinet at station is concentrated to non-equipment.
On the basis of the above embodiment, the present embodiment further includes an ATS workstation 6; the ATS workstation 6 is connected with the processor 1, and the ATS workstation 6 is connected with the display device; wherein the display device comprises a plurality of display devices; the processor 1 is used for sending the switching value information to the ATS workstation 6; and the ATS workstation 6 is used for sending the switching value information to each display device through a backbone network.
Optionally, the processor 1 and the display device are connected via an ATS workstation 6.
Wherein the ATS workstation 6 is provided in a non-equipment concentration station.
The display device may be all devices having a display function connected to the ATS workstation through the backbone network.
The processor 1 may transmit the switching value information and the failure alarm information to the ATS workstation 6 through the communication module 5.
The ATS workstation 6 may share the received switching value information and the failure alarm information to each display apparatus through the backbone network.
In addition, the ATS workstation 6 may also share the received switching value information and the fault alarm information to other devices operatively connected to the ATS via the backbone network, and may be devices deployed in a device concentration station and/or a non-device concentration station.
In this embodiment, the switching value information and the fault alarm information can be shared in the whole network through the ATS workstation, so that a user can check the switching value information and the fault alarm information of the device at any time and any place.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A switching value information alarm device is characterized by comprising equipment controlled by a switching value, a processor and an alarm;
the processor comprises an acquisition module and a comparison circuit;
the equipment is connected with the acquisition module, the acquisition module is connected with the comparison circuit, and the comparison circuit is connected with the alarm;
the acquisition module is used for acquiring switching value information of the equipment and sending the switching value information to the comparison circuit;
the comparison circuit is used for comparing the switching value information with preset switching value information of the equipment, and triggering the alarm to give an alarm when the switching value information is inconsistent with the preset switching value information;
also includes a display device;
the display device is connected with the acquisition module and is used for displaying the switching value information;
the system also comprises an ATS workstation;
the ATS workstation is connected with the processor and the display device;
wherein the display device comprises a plurality of display devices;
the processor is used for sending the switching value information to the ATS workstation;
and the ATS workstation is used for sending the switching value information to each display device through a backbone network.
2. The switching value information alarm device according to claim 1, further comprising a dry contact;
the input end of the dry contact is connected with the equipment, and the output end of the dry contact is connected with the acquisition module;
the state of the dry contact point changes along with the change of the switching value information of the equipment;
and the output end of the dry contact outputs the switching value information.
3. The switching value information alarm device according to claim 2, further comprising a photocoupler;
the photoelectric coupler is connected with the dry contact, and the photoelectric coupler is connected with the acquisition module;
the photoelectric coupler is used for converting the switching value information into a level signal and inputting the level signal into the acquisition module;
the acquisition module is used for transmitting the level signal to the comparison circuit;
the comparison circuit is used for comparing the level signal with a preset level signal of the equipment, and when the level signal is inconsistent with the preset level signal, the alarm is triggered to give an alarm.
4. The switching value information alarm device according to claim 1, further comprising a communication module;
the processor is connected with the display device through the communication module;
the processor is used for transmitting the switching value information to the display device through the communication module.
5. The switching value information alarm device according to claim 4, wherein the communication module includes a wired transmission module and/or a wireless transmission module.
6. The switching value information alarm device according to any one of claims 1 to 3, wherein the apparatus includes a plurality of sub-modules;
the acquisition module comprises a plurality of input interfaces;
each submodule is connected with a corresponding input interface;
the acquisition module is used for acquiring the switching value information of each submodule through the input interface and sending the switching value information of each submodule to the comparison circuit.
7. The switching value information alarm device according to any one of claims 1 to 3, wherein the equipment is located in a non-equipment concentration station.
8. The switching value information warning device according to claim 7, wherein the processor and the alarm are installed in an integrated cabinet of the non-equipment concentration station.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2021213027188 | 2021-06-10 | ||
| CN202121302718 | 2021-06-10 |
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| CN216486811U true CN216486811U (en) | 2022-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559660A (en) * | 2024-01-08 | 2024-02-13 | 成都交控轨道科技有限公司 | Information acquisition system and method based on fuse alarming unit |
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- 2021-06-24 CN CN202121420201.9U patent/CN216486811U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559660A (en) * | 2024-01-08 | 2024-02-13 | 成都交控轨道科技有限公司 | Information acquisition system and method based on fuse alarming unit |
| CN117559660B (en) * | 2024-01-08 | 2024-04-09 | 成都交控轨道科技有限公司 | Information acquisition system and method based on fuse alarming unit |
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