CN201504265U - Special wireless access platform for network alarm - Google Patents
Special wireless access platform for network alarm Download PDFInfo
- Publication number
- CN201504265U CN201504265U CN2009200803550U CN200920080355U CN201504265U CN 201504265 U CN201504265 U CN 201504265U CN 2009200803550 U CN2009200803550 U CN 2009200803550U CN 200920080355 U CN200920080355 U CN 200920080355U CN 201504265 U CN201504265 U CN 201504265U
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- relay
- telephone
- circuit
- network alarm
- radio access
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Abstract
A special wireless access platform for network alarm relates to a device used for automatically switching wire communication and wireless communication in a network alarm system and comprises internal circuits of a wireless access table consisting of a GSM module, user device ports capable of being connected to telephone sets or alarm hosts, telephone lines and a working power supply, the plurality of telephone lines are respectively connected to normally closed contacts of a relay J, a same number of the corresponding internal circuits of the wireless access table are respectively connected to normally open contacts of the relay J, and a same number of corresponding user device ports are respectively connected to fixed contacts of the relay. The special wireless access platform for a network alarm is capable of automatically monitoring wire telephone state and setting a wire telephone as preferential and a wireless telephone as standby, and suitable to be used in the network alarm system.
Description
Technical field
The utility model relates to the automated watch-keeping facility of telephone, particularly realizes wired, wireless telecommunications automatic switching equipment simultaneously, is applicable to the place that all need adopt the communication of mobile phone channel, is specially adapted to internet alarm system.
Background technology
Along with the arrival of information age, various wireless products flood the market, and along with popularizing of wireless telecommunications, fixed line phone is no longer installed by a lot of families, more is portable mobile device, so, also the arising at the historic moment of radio access station.It is accepted by people gradually on market with its unique function and purposes and adopts, but almost all assess stations all are to realize that the mobile phone channel carries out the speech information communication on the market, can not realize the exchange of data message, the data information transfer in the internet alarm system particularly, more do not possess the monitoring of wired telephone line and switching automatically, wireless telecommunications can not handled as back-up system that (telephone is preferential, when wired telephone line short circuit or when opening circuit, automatically switch to wireless telecommunications, with the transmission of mobile phone channel as back-up system), and can not show the working condition of current equipment intuitively.In addition, the radio access station that adopts on the existing market, general volume is all smaller, and the small-capacity cells that storage battery maybe can be installed small size can not be installed in inside, can not guarantee that equipment is exchanging normal standby use under the power down mode.
The utility model content
The purpose of this utility model provides a kind of preferential function of telephone that possesses, and when the wired telephone line fault, can automatically switch to the network alarm private radio access platform of wireless communication state.
This novel purpose is achieved in that a kind of network alarm private radio access platform, the internal circuit that comprises the radio access station that contains gsm module, the subscriber equipment port of machine or the alarm host machine of can answering the call, telephone wire, working power, many telephone wires are connected to respectively on the normally-closed contact of relay J, the internal circuit of the same a plurality of radio access stations of described correspondence is connected to respectively on the normally opened contact of relay J, and the same a plurality of subscriber equipment ports of described correspondence are connected to respectively on the fixed contact of relay; Every telephone line is in diode D
8Negative pole and diode D
9Positive pole, D
8Plus earth, D
9Positive pole is connected to capacitor C
8One end and resistance R
15One end, C
8Other end ground connection, R
15The other end and electrochemical capacitor C
7Positive pole all is connected to triode Q
5Base stage, C
7Minus earth, Q
5Grounded emitter, Q
5Collector electrode is connected to resistance R
9With R11 one end, R
9Another termination power V
CC, R
11The other end is connected to triode Q
4Base stage, Q
4Grounded emitter, Q
4Collector electrode is connected to the supply pin of relay J, and another supply pin of J meets power supply V
CC, diode D
7Positive pole meets Q
4Collector electrode, D
7Negative pole is connected to power supply V
CC
This radio access station possesses the preferential function of telephone.Under the normal situation of wired telephone line, this equipment changes the telephone state that skips to automatically; When wired telephone line short circuit or off state, this equipment automatically switches to wireless communication state.Under wireless status, can indicate the working condition (standby, dialing, communication, signal, fault etc.) of current equipment by outward appearance; This possesses automatic charger and alternating current-direct current automatic switch-over circuit simultaneously, can guarantee that this equipment is exchanging stable operation under the power down mode.In addition, this equipment adopts professional wireless communication module in the processing of internal circuit, data message in can the stable transfer internet alarm system, be to provide effective support to networking alert service on the existing market, solve the problem of network alarm communication, promoted the promotion and application of network alarm.
The indication of states such as the power supply the when shell of this equipment is provided with equipment operation, off-hook, communication, signal, fault, off-hook and communication indicator light are determined according to circuit communication connection status, the strong and weak degree of signal lamp prompting mobile telephone set wireless signal, malfunction indicator lamp prompting establishing ruuning situation.
Adopt Alternating Current Power Supply when also having charging automatically to be meant equipment operation with commutation circuit in the equipment, when exchanging just often, equipment is powered to internal backup battery automatically; After AC dump, equipment automatically switches to the storage battery power supply state, does not influence the normal operation of equipment; Do not damage for guaranteeing that storage battery too discharges, when voltage arrived certain value, equipment was closed storage battery output automatically.
The circuit of path monitoring and switching processing capacity is an automatic signaling transfer point of realizing by hardware circuit, and this function adopts relay and the simple and easy realization of relevant treatment element.
The integrated circuit of mobile phone channel communication function is the existing mobile communication module in market, uses as core parts in this equipment.
Relevant control circuit comprises telephone line interface circuit, communication treatment circuit and mobile communication resume module circuit.
Compared with prior art, this novel beneficial effect is:
1, the normal operation that automatically charging and commutation circuit can support equipments increases the service life.Adopt Alternating Current Power Supply during equipment operation, when exchanging just often, equipment is powered to internal backup battery automatically; After AC dump, equipment automatically switches to the storage battery power supply state, does not influence the normal operation of equipment; Do not damage for guaranteeing that storage battery too discharges, when voltage arrived certain value, equipment was closed storage battery output automatically.
2, the circuit of path monitoring and switching processing can be monitored the telephone state automatically, does not have this function in the existing like product.This function realizes that two nets insert, and telephone is preferential, and radio telephone is standby.Promptly the wired telephone line on being connected this equipment disconnects or during short circuit, automatically terminal equipment is connected to the internal communication interface, guarantees that the internal wireless communication uses as back-up system.
3, adopt the mobile phone wireless communication module, existing radio reception device generally adopts the gsm module in the waste mobile phone, and the performance of this series products can not be protected, and the effect of transmission information is relatively poor.And the wireless communication module of taking technical grade is as also not possessing in the current market of network alarm specialized apparatus.After adopting the wireless industrial communication module to handle simultaneously, communication effective, message transmission is more stable.
Description of drawings
Fig. 1 is this novel power supply the principle block diagram;
Fig. 2 is the automatic switch-over circuit figure of wireless access platform;
Fig. 3 is the schematic perspective view of wireless access platform cabinet.
Embodiment
Fig. 3 illustrates, and the metal cabinet panel is provided with status indicator lamps such as power supply, off-hook, communication, signal, fault, the visual and clear running status that can accurately reflect radio reception device of this indicator light.Referring to Fig. 1, working power is made up of ac power circuit and storage battery power supply circuit.Under the normal condition, use alternating current, the 220V civil power is through voltage transitions (transformer rectifier circuit), again after voltage stabilizing circuit is handled, output 13.8V direct current is as the GSM power supply, export the 5V direct current simultaneously as control circuit working power (the metal cabinet can hold 7AH storage battery (storage battery power supply circuit), improves the running time that exchanges under the power down mode).During Alternating Current Power Supply, simultaneously storage battery is charged.
Fig. 2 illustrates, this novel internal circuit that comprises the radio access station that contains gsm module, the subscriber equipment port of machine or the alarm host machine of can answering the call, telephone wire, working power, many telephone wires are connected to respectively on the normally-closed contact of relay J, and the internal circuit of the same a plurality of radio access stations of described correspondence is connected to respectively on the normally opened contact of relay J, and the same a plurality of subscriber equipment ports of described correspondence are connected to respectively on the fixed contact of relay; Every telephone line is in diode D
8Negative pole and diode D
9Positive pole, D
8Plus earth, D
9Positive pole is connected to capacitor C
8One end and resistance R
15One end, C
8Other end ground connection, R
15The other end and electrochemical capacitor C
7Positive pole all is connected to triode Q
5Base stage, C
7Minus earth, Q
5Grounded emitter, Q
5Collector electrode is connected to resistance R
9With R11 one end, R
9Another termination power V
CC, R
11The other end is connected to triode Q
4Base stage, Q
4Grounded emitter, Q
4Collector electrode is connected to the supply pin of relay J, and another supply pin of J meets power supply V
CC, diode D
7Positive pole meets Q
4Collector electrode, D
7Negative pole is connected to power supply V
CCBe connected with piezo-resistance R between two telephone wires
Y(main effect: the telephone wire lightning protection, to the thunder and lightning of introducing on the telephone wire, can bleed off over the ground by piezo-resistance, reduce the possibility of thunderbolt damage system).The subscriber equipment port is meant the machine of can answering the call, alarm host machine, waits the port of external equipment.The GSM change-over circuit is meant the internal circuit of this radio access station.Telephone wire is meant the fixing telephone wire of can external phone calling.Also have as the cabinet that holds storage battery.
The circuit basic functional principle:
Telephone line is at the normally-closed contact (being contact) of relay, and under the situation of not switching on to radio access station, telephone wire is in and the external user equipment connection status.Under the energising situation, relay is subjected to the indirect control of telephone wire not change jumping still to be in normally off, thereby telephone wire and port for peripheral equipment are connected; If telephone wire is undesired or do not have, relay skips to and internal circuit is connected, internal circuit and the connection of external subscriber equipment port.The realization wire and wireless is changed wired preferential function automatically.
Concrete operation principle is as follows:
Alternating current is arranged on the telephone wire, become variable direct current, become basicly stable direct current through capacitor filtering again, resistance R that resistance is very big of series connection on this circuit through behind the bridge rectifier
15Can reduce the electric current on this circuit, the back is received the base stage of triode 1 again, and resistance of the collector electrode string of triode 1 is tens kilo-ohms a resistance R
9Receive and go here and there a resistance R that resistance value ratio is less on the power supply of radio access station simultaneously
11Be connected to triode Q on the base stage of other triode 2
5Grounded emitter.Triode Q
4Grounded emitter, collector electrode is received on the supply pin of relay, another supply pin of relay is directly received on the power supply of radio access station.With circuit design is that telephone wire is connected with the normally-closed contact of relay, when not switching on to radio access station, telephone wire is connected with port for peripheral equipment by the normally-closed contact of relay, and externally answer the call on the device port machine or alarm host machine can realize the function with external communication, triode Q
5Controlled by telephone wire, triode Q
4By triode Q
5Collector electrode control.
When switching on to radio access station, triode Q
5Conducting, triode Q
5Collector electrode by the direct ground connection of triode, cause back triode Q
4Do not work, relay also still is in normally off with regard to not redirect.When telephone wire is not worked, triode Q then
5Do not work triode Q
4Work, thus the control relay commentaries on classics skips to inner GSM (GSM is the abbreviation of Global System for Mobile Communication, and the meaning is a global system for mobile communications) change-over circuit, realizes the function of radio access station.
Claims (4)
1. network alarm private radio access platform, comprise, the internal circuit that contains the radio access station of gsm module, the subscriber equipment port of machine or the alarm host machine of can answering the call, telephone wire, working power is characterized in that: described many telephone wires are connected to respectively on the normally-closed contact of relay J, the internal circuit of the same a plurality of radio access stations of described correspondence is connected to respectively on the normally opened contact of relay J, and the same a plurality of subscriber equipment ports of described correspondence are connected to respectively on the fixed contact of relay; Every telephone line is in diode D
8Negative pole and diode D
9Positive pole, D
8Plus earth, D
9Positive pole is connected to capacitor C
8One end and resistance R
15One end, C
8Other end ground connection, R
15The other end and electrochemical capacitor C
7Positive pole all is connected to triode Q
5Base stage, C
7Minus earth, Q
5Grounded emitter, Q
5Collector electrode is connected to resistance R
9And R
11One end, R
9Another termination power V
CC, R
11The other end is connected to triode Q
4Base stage, Q
4Grounded emitter, Q
4Collector electrode is connected to the supply pin of relay J, and another supply pin of J meets power supply V
CC, diode D
7Positive pole meets Q
4Collector electrode, D
7Negative pole is connected to power supply V
CC
2. according to the described network alarm private radio of claim 1 access platform, it is characterized in that: be connected with piezo-resistance R between described two telephone wires
Y
3. according to claim 1 or 2 described network alarm private radio access platforms, it is characterized in that: described working power is made up of ac power circuit and storage battery power supply circuit; After transformer rectifier circuit, voltage stabilizing circuit were handled, output 13.8V and 5V direct current were for using by the 220V alternating current for ac power circuit.
4. according to the described network alarm private radio of claim 3 access platform, it is characterized in that: also have as the cabinet that holds storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200803550U CN201504265U (en) | 2009-04-22 | 2009-04-22 | Special wireless access platform for network alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200803550U CN201504265U (en) | 2009-04-22 | 2009-04-22 | Special wireless access platform for network alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504265U true CN201504265U (en) | 2010-06-09 |
Family
ID=42455192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200803550U Expired - Fee Related CN201504265U (en) | 2009-04-22 | 2009-04-22 | Special wireless access platform for network alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201504265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330259A (en) * | 2015-06-30 | 2017-01-11 | 上海梅山钢铁股份有限公司 | Fast recovery device and recovery method for cable damage of switching value limiter |
| CN111650857A (en) * | 2020-05-20 | 2020-09-11 | 苏州欧伊诶姆信息服务有限公司 | Wireless device networking module |
-
2009
- 2009-04-22 CN CN2009200803550U patent/CN201504265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330259A (en) * | 2015-06-30 | 2017-01-11 | 上海梅山钢铁股份有限公司 | Fast recovery device and recovery method for cable damage of switching value limiter |
| CN111650857A (en) * | 2020-05-20 | 2020-09-11 | 苏州欧伊诶姆信息服务有限公司 | Wireless device networking module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |