CN108322321A - Stem grafting point interface and implementation method, dry contact alarm method, device and equipment - Google Patents
Stem grafting point interface and implementation method, dry contact alarm method, device and equipment Download PDFInfo
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- CN108322321A CN108322321A CN201710036784.7A CN201710036784A CN108322321A CN 108322321 A CN108322321 A CN 108322321A CN 201710036784 A CN201710036784 A CN 201710036784A CN 108322321 A CN108322321 A CN 108322321A
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- communication interface
- dry contact
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0219—Circuit arrangements
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
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- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Alarm Systems (AREA)
Abstract
The invention discloses a kind of stem grafting point interface and implementation method, dry contact alarm method, device and equipment, the dry contact interface realizing method includes：It sets communication interface to local loop, forms two-way from loop back path；Access point is set separately from loop back path in the two-way, to be docked with the contact of dry contact alarm equipment.The present invention passes through the processing to communication interface, communication interface can be converted to stem grafting point interface, improve the flexibility of stem grafting point interface outfit, and when the program is applied on communication equipment, the existing communication interface of communication equipment can be converted to stem grafting point interface without individually disposing stem grafting point interface, the flexibility disposed do node interface on a communications device is improved, and reduces the lower deployment cost of stem grafting point interface.
Description
Technical field
The present invention relates to mobile communication field more particularly to a kind of stem grafting point interface and implementation method, dry contact alarm sides
Method, device and equipment.
Background technology
Dry contact be it is a kind of do not have polarity, with open and close two states passive switch, generally all use relay
The normally-open normally-close contact of device.
Dry contact because with it is easy to use, facilitate that access, to be easy to construction, processing dry contact switching value quantity mostly etc. excellent
Point, all extensive uses in industrial control field, wireless communication system.
Currently, common dry contact signal has：Such as limit switch, travel switch, floor push, the rotation of various switches is opened
Pass, temperature switch, liquid-level switch etc.；The output of the various various sensors of button；The also output etc. of relay, tongue tube.
Dry contact is in daily use in base station system remote radio unit (RRU) RRU, is generally used for the alarm and monitoring of base station.
Such as the external lightning protection box of base station：The usually stem grafting point interface external connection lightning protection box of base station, lightning protection box disconnect, and system is without stem grafting
Point alarm；When lightning stroke occurs, lightning protection box short circuit dry contact is closed, and system detectio to dry contact is alerted and reported in time at this time.
As shown in Figure 1, for the connection diagram of communication equipment and alarm equipment side with stem grafting point interface, it can by figure
Know, the dry contact of alarm equipment side is usually used the normally-open normally-close contact of relay, and communication equipment side specially to coordinate it is dry
Contact interface is connected with being switched with the dry contact of alarm equipment side, and must carry out light on hardware circuit after stem grafting point interface
Coupling is isolated.As it can be seen that in the prior art, communication equipment will realize dry contact alarm function, it is necessary to be equipped with dry with light-coupled isolation
The problems such as contact interface, that there are costs of manufacture is high for this stem grafting point interface, fabrication cycle is long, bulky, outfit underaction.
Invention content
In view of the above problems, it is proposed that the present invention is in order to provide a kind of stem grafting point interface and realization side to solve the above problems
Method, dry contact alarm method, device and equipment, to improve the flexibility of stem grafting point interface outfit.
One side according to the present invention provides a kind of dry contact interface realizing method, including：
It sets communication interface to local loop, forms two-way from loop back path；
Access point is set separately from loop back path in the two-way, to be docked with the contact of dry contact alarm equipment.
Other side according to the present invention provides a kind of stem grafting point interface, including：Two-way is internally formed from loop back path
Communication interface, and access point is equipped with from loop back path described in every road；Wherein, described access point is suitable for and dry contact alarm equipment
Contact docking.
In terms of third according to the present invention, a kind of method for realizing dry contact alarm is provided, the method includes：
Self-looped testing signal is sent to communication interface；Wherein, the communication interface is internally to form two-way from loop back path
Communication interface, and the access point docked with the contact of dry contact alarm equipment is equipped with from loop back path described in every road；
It detects whether to receive the self-looped testing signal that two-way is passed back from loop back path；
When detecting that the dry contact alarm equipment for determining communication interface connection alerts when not receiving.
The 4th aspect according to the present invention, provides the device for realizing dry contact alarm, including：
Signal transmitting module, for sending self-looped testing signal to communication interface；Wherein, the communication interface is internal shape
At two-way from the communication interface of loop back path, and it is equipped with from loop back path described in every road and is docked with the contact of dry contact alarm equipment
Access point；
Alarm detection module, for detecting whether the self-looped testing signal that two-way is passed back from loop back path is received, when
Detect that the dry contact alarm equipment for determining the communication interface connection alerts when not receiving.
The 5th aspect according to the present invention, provides a kind of communication equipment, including：Communication interface and realization dry contact alarm
Device；
The communication interface is treated as internally being formed two-way and is equipped with access point from loop back path from loop back path and per road,
Described access point is docked with the contact of dry contact alarm equipment；
The device for realizing dry contact alarm, for sending self-looped testing signal to the communication interface, and detection is
The no self-looped testing signal for receiving two-way and being passed back from loop back path, when detect do not receive when, determine the stem grafting
Point alarm equipment alerts.
The present invention has the beneficial effect that：
First, communication interface can be converted to stem grafting point interface by the present invention by the processing to communication interface, when by the party
When case is applied on communication equipment, it is dry without individually disposing can the communication interface of communication equipment to be converted to stem grafting point interface
Contact interface improves the flexibility disposed do node interface on a communications device, and reduces being deployed to for stem grafting point interface
This；
Secondly, the present invention, can be dry with alarm equipment after the communication interface of communication equipment is converted to stem grafting point interface
Contact is connected, and alarm whether can occur to dry contact alarm equipment and be monitored, and reduces alarm-monitor cost, improves announcement
Alert monitoring efficiency.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific implementation mode for lifting the present invention.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structural schematic diagram that hardware device is connect with dry contact in the prior art；
Fig. 2 is a kind of flow chart for dry contact interface realizing method that first embodiment of the invention provides；
Fig. 3 is the schematic diagram of the RS485 interfaces of four-wire system；
Fig. 4 is the schematic diagram that RS485 interfaces form from ring in the embodiment of the present invention；
Fig. 5 is that two accesses are arranged in the embodiment of the present invention on the external short circuit cable from loop back path of RS485 interfaces
The schematic diagram of point；
Fig. 6 is a kind of structure diagram for communication equipment that third embodiment of the invention provides；
Fig. 7 is the structure diagram of another communication equipment provided in an embodiment of the present invention；
Fig. 8 is a kind of flow chart for method for realizing dry contact alarm that fourth embodiment of the invention provides；
Fig. 9 is a kind of structure diagram for device for realizing dry contact alarm that fifth embodiment of the invention provides；
Figure 10 is a kind of structure diagram for communication equipment that sixth embodiment of the invention provides；
Figure 11 is a kind of block diagram for system for realizing dry contact alarm that seventh embodiment of the invention provides.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
In the first embodiment of the present invention, a kind of dry contact interface realizing method is provided, as shown in Fig. 2, the method
Including：
Step S201 sets communication interface to local loop, forms two-way from loop back path；
Access point is set separately from loop back path in two-way by step S202, to be docked with the contact of dry contact alarm equipment.
In one particular embodiment of the present invention, an access point is respectively set from loop back path in two-way, to be set with dry contact alarm
Standby two contacts docking.
In the embodiment of the present invention, by the processing to communication interface, communication interface can be converted to stem grafting point interface, when
When the program is applied on communication equipment, the communication interface of communication equipment can be converted to stem grafting point interface without independent
Stem grafting point interface is disposed, improves the flexibility disposed do node interface on a communications device, and reduce stem grafting point interface
Lower deployment cost.
Further, the method for the embodiment of the present invention is applied in different communication equipments, corresponding to be processed logical
Believe that interface is also just different, in one particular embodiment of the present invention, the method is applied in RRU device, at this point, described
Communication interface can be, but not limited to as the RS485 interfaces in RRU device.That is, pressing the method pair of the embodiment of the present invention
RS485 interfaces are handled, and can be docked with dry contact alarm equipment by RS485 interfaces, and the dry of RRU device is realized with auxiliary
Contact function.
In one particular embodiment of the present invention, by the way that the signal in communication interface is sent pin and signal reception pipe
The connected mode of foot, sets communication interface to local loop.In the present embodiment, in order to form two-way from loop back path, communication connects
Mouth should have differential signal to send pin and differential signal reception pin.
When there is communication interface differential signal, which to send pin and differential signal, receives pin, set pair communication interface to
It is interior from ring, specifically include：
The differential signal of the positive polarity of the communication interface is sent to the difference of pin and the positive polarity of the communication interface
Signal receives pin and is connected；
The differential signal of the negative polarity of the communication interface is sent to the difference of pin and the negative polarity of the communication interface
Signal receives pin and is connected.
In the embodiment of the present invention, the connection between pin can be carried out inside communication interface, it can also be outside communication interface
Portion carries out the connection between pin.In the present embodiment, when the external connection carried out between pin in communication interface, pass through outer lines
Cable sends pin to differential signal and differential signal receives pin and is attached.Specifically：
The differential signal of positive polarity is sent between pin and the differential signal reception pin of positive polarity, passes through the first External cable
It is connected；
The differential signal of negative polarity is sent between pin and the differential signal reception pin of negative polarity, passes through the second External cable
It is connected.
Wherein, the purpose of External cable it is the connection realized between pin, so its length is without long, it is only necessary to can be by two
Pin connects.
Below by taking RS485 interfaces as an example, the mode for interface from ring be arranged is described in detail.
As shown in figure 3, the schematic diagram of the RS485 interfaces for four-wire system, the RS485 interfaces include four-wire system RS485 cores
Piece and external socket connector (not shown), when being arranged into line interface from ring, on socket connector outside access
Short cable, to the RX+ of RS485 interfaces (i.e. the differential signal of positive polarity sends pin) and TX+, (i.e. the differential signal of positive polarity connects
Closed tube foot) reliable short circuit, and RX- (i.e. the differential signal of negative polarity sends pin) and TX- (i.e. cathode to RS485 interfaces
Property differential signal receive pin) reliable short circuit, handled by above-mentioned short circuit, RS485 interfaces are formed from ring, specifically such as Fig. 4 institutes
Show.
Further, in one particular embodiment of the present invention, access point is set separately from loop back path in two-way
Mode, including：Access point is set on the first External cable and the second External cable respectively, the access point of setting is suitable for and stem grafting
The contact of point alarm equipment is connected.It is set on the external short circuit cable from loop back path of RS485 interfaces as shown in figure 5, giving
Set the schematic diagram of two access points.
In summary, existing communication interface is handled using the method for the embodiment of the present invention, can will be communicated
Interface conversion is stem grafting point interface, improves the flexibility of dry contact interface deployment and reduces lower deployment cost.
In second embodiment of the invention, a kind of stem grafting point interface is provided, including：Two-way is internally formed from the logical of loop back path
Believe interface, and access point is equipped with from loop back path described in every road；Wherein, described access point is suitable for and dry contact alarm equipment
Contact docks.
In the embodiment of the present invention, the communication interface is that the communication interface of self-loop function may be implemented, can with but it is unlimited
In for RS485 interfaces.
The specific preparation method of stem grafting point interface described in the embodiment of the present invention, may refer to first embodiment, the present embodiment
Details are not described herein.
Stem grafting point interface described in the present embodiment carries out simple deformation to communication interface and obtains, the stem grafting point interface phase
Than in traditional stem grafting point interface, small, manufacturing cost is low and is easily achieved.
In the third embodiment of the present invention, a kind of communication equipment is provided, as shown in fig. 6, mass：610 He of communication interface
Realize the device 620 of dry contact alarm, wherein：
Communication interface 610 is treated as internally being formed two-way and is equipped with access point from loop back path from loop back path and per road,
Described access point is docked with the contact of dry contact alarm equipment；
The device 620 for realizing dry contact alarm for sending self-looped testing signal to communication interface 610, and detects whether
Receive the self-looped testing signal that two-way is passed back from loop back path, and detect do not receive when, determine the stem grafting
Point alarm equipment alerts.
Communication equipment described in the embodiment of the present invention may be implemented and do by the way that communication interface is converted to stem grafting point interface
The docking of contact alarm equipment, since the docking point with dry contact alarm equipment is from loop back path, so, when dry contact alerts
When equipment side occurs alarm and dry contact is caused to be closed, it can so that from loop back path self-looped testing signal can not be received, Jin Erke
To be monitored to whether dry contact alarm equipment occurs alarm.
Further, in the embodiment of the present invention, communication interface 610 passes through dry contact cable and the two of dry contact alarm equipment
A contact docking.
Wherein, the selection of dry contact cable is related to the alarm electric current of dry contact alarm equipment, that is to say, that selection is done
Contact cable wants that alarm electric current can be born, without being blown.In the specific implementation of the present invention, the stem grafting dotted line
Cable is five class cables.
In an alternate embodiment of the present invention where, as shown in fig. 7, the communication equipment, further includes：Mode setting module
630 and control module 640；
Mode setting module 630, the operating mode for communication interface 610 to be arranged；The type of the operating mode includes：
Dry contact alert mode or communication pattern；
Communication interface 610 is treated as internally being formed two-way from loop back path and two-way from ring under dry contact alert mode
Access point is set separately on circuit, described access point is docked with the contact of dry contact alarm equipment；
Control module 640, the operating mode for determining communication interface 610, and be that dry contact alerts mould in operating mode
When formula, the device 620 for realizing dry contact alarm is opened.
That is, in the present embodiment, there are two types of operating modes for communication interface, when for communication pattern, the communication interface
For being communicated with other communication equipments, that is, play normal interface function；When for dry contact alert mode, communication interface
It is treated as stem grafting point interface, realizes the detection of dry contact alarm.The present embodiment is by carrying out communication interface different patterns
Setting, improves communication interface service efficiency and using flexible.
In one particular embodiment of the present invention, the communication equipment is remote radio unit (RRU) RRU, at this point, communication
Interface is the RS485 interfaces of four-wire system.In the present embodiment, the external socket connector of the RS485 interfaces of four-wire system is short with outside
After cable is connected, RS485 interfaces are formed from ring.And access the external dry contact cable of appropriate length in external short cable rear end
It is connected with dry contact alarm equipment.When alarm does not occur, the dry contact of dry contact alarm equipment disconnects, and RS485 interfaces are in RX
The self-looped testing signal that +/- interface is sent can be recycled correctly in TX+/- interface, and when alerting generation, dry contact alarm equipment
Dry contact be closed, short circuit occurs for RX and the TX interfaces of RS485 interfaces, RX+/- interface transmission self-looped testing signal in TX
+/- interface cannot be recycled correctly, realize that the device to test module of dry contact alarm can determine that dry contact alarm at this time.
The length that cable is alerted about external dry contact is used since RS485 communication lengths are generally limited to 120 meters
Five class cables, having carried out verification to cable in 120 meters by experiment can correctly alert, and the rear length of cable that increases is to 290 meters
Experimental verification repeatedly has been carried out, has remained to correctly realize alarm.It can be seen that since the cable is realized to RS485 transceiver communications port
Short circuit, be not limited to RS485 communicate 120 meters distance limitation.
In summary, communication equipment provided in an embodiment of the present invention is equipped with stem grafting point interface, it is only necessary to without special
Some communication interfaces are simply handled, you can communication interface is converted into stem grafting point interface, and the stem grafting point interface with
Dry contact alarm equipment it is connected when, it can be achieved that dry contact alarm monitoring, greatly improve the effect of dry contact alarm-monitor
Rate.
In the fourth embodiment of the present invention, a kind of method for realizing dry contact alarm is provided, as shown in figure 8, the side
Method includes：
Step S801 sends self-looped testing signal to communication interface；Wherein, communication interface is to be treated as stem grafting point interface
Communication interface.
In the present embodiment, the mode that the communication interface is treated as stem grafting point interface may refer to first embodiment, this
Details are not described herein for embodiment.It is internally to form two-way from loopback by first embodiment the method treated communication interface
The communication interface of the access point docked with the contact of dry contact alarm equipment is equipped with described in road and every road from loop back path.
Step S802 detects whether to receive the self-looped testing signal that two-way is passed back from loop back path；
Step S803, when detect do not receive when, determine the dry contact alarm equipment hair of communication interface connection
Raw alarm.
Since communication interface is treated as stem grafting point interface, may be implemented to dock with dry contact alarm equipment, and examine
The docking point of communication interface and dry contact alarm equipment is considered from loop back path, so, when dry contact alarm equipment side occurs
It when alerting and dry contact being caused to be closed, can so that from loop back path self-looped testing signal, and then the embodiment of the present invention can not be received
The method carries out alarm-monitor by sending self-looped testing signal to communication interface to dry contact alarm equipment.
In the fifth embodiment of the present invention, a kind of device for realizing dry contact alarm is provided, as shown in figure 9, the dress
Set including：
Signal transmitting module 910, for sending self-looped testing signal to communication interface；Wherein, the communication interface is pair
Interior formation communication interface of the two-way from loop back path, and the contact with dry contact alarm equipment is equipped with described in every road from loop back path
The access point of docking；
Alarm detection module 920, for detecting whether the self-looped testing signal that two-way is passed back from loop back path is received,
When detecting that the dry contact alarm equipment for determining communication interface connection alerts when not receiving.
In the embodiment of the present invention, the communication interface is to be treated as the communication interface of stem grafting point interface.
In the present embodiment, the mode that the communication interface is treated as stem grafting point interface may refer to first embodiment, this
Details are not described herein for embodiment.It is internally to form two-way from loopback by first embodiment the method treated communication interface
The communication interface of the access point docked with the contact of dry contact alarm equipment is equipped with described in road and every road from loop back path.
Since communication interface is treated as stem grafting point interface, may be implemented to dock with dry contact alarm equipment, and examine
The docking point of communication interface and dry contact alarm equipment is considered from loop back path, so, when dry contact alarm equipment side occurs
When alerting and dry contact being caused to be closed, it can so that from loop back path self-looped testing signal can not be received, and then described in the present embodiment
Device can carry out alarm-monitor by sending self-looped testing signal to communication interface to dry contact alarm equipment.
In the sixth embodiment of the present invention, a kind of communication equipment is provided, as shown in Figure 10, including：Communication interface 1010,
Memory 1020 and processor 1030；
Wherein, communication interface 1010 is treated as internally being formed two-way from loop back path and is equipped with from loop back path per road and connect
Access point, described access point are docked with the contact of dry contact alarm equipment；It is connect that is, communication interface 1010 can be treated as dry contact
Mouthful, and docked with two contacts of dry contact.Wherein, it handles and may refer to the first implementation for the processing mode of stem grafting point interface
Example, this embodiment is not repeated.
Memory 1020 is stored with computer instruction, and processor 1030 executes the computer instruction, following to realize
Method：
Self-looped testing signal is sent to the communication interface；
It detects whether to receive the self-looped testing signal that two-way is passed back from loop back path；
When detect do not receive when, determine communication interface connection dry contact alarm equipment alert.
Communication equipment described in the embodiment of the present invention may be implemented and accuse by the way that communication interface is converted to stem grafting point interface
The docking of the dry contact of alert equipment, since the docking point with dry contact is from loop back path, so, when alarm equipment side is accused
When warning and dry contact being caused to be closed, it can so that from loop back path self-looped testing signal can not be received, and then dry contact can be accused
Police is monitored.
In an alternate embodiment of the present invention where, according to demand, the work of communication interface 1010 is arranged in processor 1030
Pattern；The operating mode includes：Dry contact alert mode or normal mode of operation.And processor 1030 is only logical in setting
When believing that the operating mode of interface is dry contact alert mode, the inspection of transmission and the dry contact alarm of self-looped testing signal is just carried out
It surveys.And communication interface 1010 is also only arranged to dry contact alert mode, can just be treated as stem grafting point interface, and and stem grafting
Two contacts docking of point.
That is, in the present embodiment, there are two types of operating modes for communication interface, when for normal mode of operation, the communication
Interface with other communication equipments for being communicated, and when for dry contact alert mode, communication interface is treated as dry contact and connects
Mouthful, realize the detection of dry contact alarm.The present embodiment improves communication and connects by carrying out different mode settings to communication interface
Mouth service efficiency and using flexible.
In one particular embodiment of the present invention, the communication equipment is remote radio unit (RRU) RRU, at this point, communication
Interface is the RS485 interfaces of four-wire system.
In summary, communication equipment provided in an embodiment of the present invention is equipped with stem grafting point interface, it is only necessary to without special
Some communication interfaces are simply handled, you can communication interface is converted into stem grafting point interface, and the stem grafting point interface with
, it can be achieved that the monitoring of dry contact alarm, greatly improves the efficiency of dry contact alarm-monitor when dry contact alarm equipment is connected.
In the seventh embodiment of the present invention, a kind of system for realizing dry contact alarm is provided, as shown in figure 11, including：
Communication equipment 1110 described in third or sixth embodiment and dry contact alarm equipment 1120, wherein：
The structure and function of communication equipment 1110 have elaborated in third or six embodiments, and details are not described herein.
Dry contact alarm equipment 1120 is connected with the communication interface of communication equipment 1110, for when there is alarm, in equipment
Dry contact be closed, triggering dry contact alarm.
That is, when external dry contact alarm equipment 1120 alerts, dry contact is closed, communication equipment 1110
Dry contact alarm detection can be carried out by whether receive self-looped testing signal.
With reference to a specific application scenarios, the implementation process progress of system described in the present embodiment is more said in detail
It is bright.
The present embodiment provides a kind of systems for realizing dry contact alarm, using the outer station of base station in a wireless communication system
Point on.The outfield website often has more RRU devices, and every RRU device is usually all reserved with RS485 interfaces, for outer
Connect the equipment such as GPRS module.
When needing RGPS functions, an external RGPS of RRU device is chosen usually in more RRU devices of a website
Module.At this time if desired the RRU of RS485 interface free time can be chosen in dry contacts alarm equipments such as the external lightning protection boxes of the website
Equipment, and the RS485 interfaces of the RRU device are handled, it is converted into stem grafting point interface, and by stem grafting point interface and prevent
The dry contact of thunder case docks, and realizes dry contact alarm function by the test module in RRU device.
System described in the present embodiment is realized by being stem grafting point interface by RS485 interface duplexes without hardware correcting
In the case of, dry contact alarm function is realized on RRU, improves the convenience of alarm function realization, and reduces realization
Cost.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer, clothes
Be engaged in device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (16)
1. a kind of dry contact interface realizing method, which is characterized in that including：
It sets communication interface to local loop, forms two-way from loop back path；
Access point is set separately from loop back path in the two-way, to be docked with the contact of dry contact alarm equipment.
2. the method as described in claim 1, which is characterized in that it is described to set communication interface to local loop, including：
The differential signal of the positive polarity of the communication interface is sent to the differential signal of pin and the positive polarity of the communication interface
It receives pin to be connected, the differential signal of the negative polarity of the communication interface is sent into pin and the negative polarity of the communication interface
Differential signal receives pin and is connected.
3. method as claimed in claim 1 or 2, which is characterized in that the communication interface includes：RS485 interfaces.
4. a kind of stem grafting point interface, which is characterized in that including：Communication interface of the two-way from loop back path is internally formed, and per road institute
It states and is equipped with access point from loop back path, to be docked with the contact of dry contact alarm equipment.
5. stem grafting point interface as claimed in claim 4, which is characterized in that the internal formation two-way connects from the communication of loop back path
Mouthful include：The differential signal of connected positive polarity sends pin and the differential signal of positive polarity receives pin, and is connected negative
Polar differential signal sends pin and the differential signal of negative polarity receives pin.
6. stem grafting point interface as claimed in claim 5, which is characterized in that
The differential signal of the positive polarity is sent between pin and the differential signal reception pin of the positive polarity, outside first
Cable is connected；
The differential signal of the negative polarity is sent between pin and the differential signal reception pin of the negative polarity, outside second
Cable is connected.
7. stem grafting point interface as claimed in claim 6, which is characterized in that set respectively from the access point in loop back path described in per road
On first External cable and on second External cable.
8. the stem grafting point interface as described in claim 4 to 7 any one, which is characterized in that the communication interface includes：
RS485 interfaces.
9. a kind of method for realizing dry contact alarm, which is characterized in that the method includes：
Self-looped testing signal is sent to communication interface；Wherein, the communication interface is internally to form communication of the two-way from loop back path
Interface, and the access point docked with the contact of dry contact alarm equipment is equipped with from loop back path described in every road；
It detects whether to receive the self-looped testing signal that two-way is passed back from loop back path；
When detecting that the dry contact alarm equipment for determining communication interface connection alerts when not receiving.
10. a kind of device for realizing dry contact alarm, which is characterized in that including：
Signal transmitting module, for sending self-looped testing signal to communication interface；Wherein, the communication interface is internally to form two
Road from the communication interface of loop back path, and per road described in be equipped with from loop back path and connect with what the contact of dry contact alarm equipment docked
Access point；
Alarm detection module works as detection for detecting whether receiving the self-looped testing signal that two-way is passed back from loop back path
It is alerted to the dry contact alarm equipment for when not receiving, determining the communication interface connection.
11. a kind of communication equipment, which is characterized in that including：Communication interface and the device for realizing dry contact alarm；
The communication interface is treated as internally being formed two-way and is equipped with access point from loop back path from loop back path and per road, described
Access point is docked with the contact of dry contact alarm equipment；
The device for realizing dry contact alarm detects whether to receive for sending self-looped testing signal to the communication interface
The self-looped testing signal passed back to two-way from loop back path, when detect do not receive when, determine dry contact alarm
Equipment alerts.
12. communication equipment as claimed in claim 11, which is characterized in that further include：Mode setting module and control module；
The mode setting module, the operating mode for the communication interface to be arranged；The type of the operating mode includes：It is dry
Contact alert mode or communication pattern；
The communication interface is treated as internally being formed two-way from loop back path and two-way from loop back path under dry contact alert mode
On access point is set separately, described access point is docked with the contact of dry contact alarm equipment；
The control module, the operating mode for determining the communication interface, and be dry contact alert mode in operating mode
When, open the device for realizing dry contact alarm.
13. communication equipment as claimed in claim 11, which is characterized in that described access point passes through dry contact cable and dry contact
The contact of alarm equipment docks.
14. communication equipment as claimed in claim 13, which is characterized in that the dry contact cable includes：Five class cables.
15. the communication equipment as described in claim 11 to 14 any one, which is characterized in that the communication equipment is that distal end is penetrated
Frequency unit R RU.
16. communication equipment as claimed in claim 15, which is characterized in that the communication interface includes RS485 interfaces.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036784.7A CN108322321B (en) | 2017-01-18 | 2017-01-18 | Dry contact interface, implementation method, dry contact warning method, device and equipment |
| PCT/CN2017/108383 WO2018133489A1 (en) | 2017-01-18 | 2017-10-30 | Dry contact interface and realization method thereof, and dry contact warning method, device and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036784.7A CN108322321B (en) | 2017-01-18 | 2017-01-18 | Dry contact interface, implementation method, dry contact warning method, device and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108322321A true CN108322321A (en) | 2018-07-24 |
| CN108322321B CN108322321B (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710036784.7A Active CN108322321B (en) | 2017-01-18 | 2017-01-18 | Dry contact interface, implementation method, dry contact warning method, device and equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108322321B (en) |
| WO (1) | WO2018133489A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018133489A1 (en) | 2018-07-26 |
| CN108322321B (en) | 2020-05-29 |
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