CN201491087U - Interface circuit module of magneto exchange and local exchange - Google Patents
Interface circuit module of magneto exchange and local exchange Download PDFInfo
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- CN201491087U CN201491087U CN200920110558XU CN200920110558U CN201491087U CN 201491087 U CN201491087 U CN 201491087U CN 200920110558X U CN200920110558X U CN 200920110558XU CN 200920110558 U CN200920110558 U CN 200920110558U CN 201491087 U CN201491087 U CN 201491087U
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Abstract
The utility model provides an interface circuit module of a magneto exchange and a local exchange, comprising a ringing module, a relay set, a single chip microcomputer, a ringing detection module and a thick film circuit, wherein the ringing module is used for providing the ringing signal; the relay set consists of a plurality of relays and used for selecting connection channels; the single chip microcomputer is used for realizing the program control, controls the circuit connection through controlling various relays and leads the local exchange to work under the calling state and the called state; the ringing detection module is used for detecting the ringing signal; and the thick film circuit is used for realizing the interface connection with the local exchange and is divided into a calling thick film circuit and a called thick film circuit. The interface circuit module can be arranged in the magneto exchange and also can be used as the external independent module. By utilizing the interface circuit module, the talking connection between the telephone operator of the magneto exchange and the user and between the users using the ordinary telephone or the video telephone can be realized, the shortcomings of the magneto exchange which can only be applied to the magneto telephone are solved, and the application field is broadened.
Description
Technical field
The utility model relates to a kind of magneto exchange and interface module that city's phone is connected of being used for, and is equally applicable to being connected between magneto exchange and the video telephone set.
Background technology
Magneto exchange is the manual telephone switch that user that local battery apparatus is housed carries out telephone exchange.Its main feature is: battery is contained near every telephone set; User and operator use the magneto call call peer.The magneto exchange simple structure is easy to produce, and is cheap, uses dry cell to get final product work; Lower to the circuit requirement, be applicable to the area that traffic is not in a hurry, the user is few, in small town, rural area, mine and army.
At present China's magneto exchange use be only limited to local battery apparatus between is connected and realizes conversing, lacking under special-purpose local battery apparatus or the local battery apparatus damaged condition, cause to connect or to connect the interruption accident, can't reach both sides' purpose of conversing.
Summary of the invention
The purpose of this utility model is to provide the interface module and the control method thereof of a kind of magneto exchange and city's phone.Can realize being connected between magneto exchange and the ordinary city phone by this interface module, promptly can carry out the call function that is connected between magneto exchange operator and user, user and the user by using common local call telephone or video telephone, solve magneto exchange and can only use the drawback of local battery apparatus, and enlarged the application of magneto exchange.
Thus, the interface module of magneto exchange of the present utility model and city's phone comprises: ringing-current module, relay group, single-chip microcomputer, ring detection module and thick film circuit are formed.Wherein, described ringing-current module is used to provide bell signal; Described relay group is made of a plurality of relays, is used to select connecting path; Described single-chip microcomputer is used to realize program control, by each relay is controlled, comes control circuit to connect, and makes city's phone can successfully be operated under the calling and called two states; Described ring detection module is used to detect bell signal; Described thick film circuit is used to realize that the interface with city's phone is connected, and is divided into two parts of caller thick film circuit and called thick film circuit.When this module is connected with magneto exchange and city's phone, the T of switch end is connected with relay in the described relay group, the R end of switch directly links to each other with the R end of city's phone, the T of city's phone hold with described relay group in different relay connections.
Here, the T end is meant the TIP end, and the R end is meant the RING end.Two electric wires of telephony wiring circuit are formed in expression respectively.Tip is the another name of electrode line; Ring is the another name of negative electrical wire.
In addition, described relay group can be made of 3～4 relays, can make up according to actual needs.
When used phone is the caller state: user's off-hook, the T of caller thick film circuit, the R both end voltage is uprised by low, caller thick film circuit output high level, single-chip microcomputer detects after the high level of caller thick film circuit output, change the state of corresponding relays, the ringing-current module is linked to each other with switch T end and R end, the ringing-current module is to the switch ring, postpone after two seconds, change the state of corresponding relays again, city's phone and ringing-current module are disconnected, simultaneously, city phone T end R end is linked to each other with switch T end R end respectively, at this moment, switch gives the subscriber dialing sound after detecting bell signal, and the user can dial, realize with other users or operator between converse and be connected; User's on-hook behind the end of conversation changes the state of corresponding relay once more, disconnects city phone T end and being connected that switch T holds.
When used phone is called state: other users or operator call user, the ring detection module detects bell signal, output low level, after single-chip microcomputer detects the low level of ring detection module output, by changing the state of corresponding relay, disconnection ring detection module is connected with switch, simultaneously, city's phone is communicated with switch, and disconnects with called thick film circuit, postpone ten seconds, this section in the period user can carry out off-hook operation, treat that bell signal finishes after, change the state of corresponding relay once more, phone T end in city is linked to each other respectively with switch T end R end with the R end, and the user can converse with other users or the operator that dial into; After the end of conversation user on-hook, by changing the state of corresponding relay, disconnect city phone T end and being connected that switch T holds again.
The beneficial effect of the interface module of magneto exchange of the present utility model and city's phone is:
(1) adopts this interface module, need not change the internal circuit and the structure thereof of original magneto exchange, kept the electric property and the mechanical performance of original magneto exchange.
(2) this interface module volume is little, practical, both can be installed in magneto exchange inside, also can be used as standalone module and uses separately, and is easy to use.
(3), so do not influence the normal talking of magneto exchange and special-purpose magnetite telephone user because this interface module can be separately and the supporting use of city's phone.
(4) this interface module application flexibility is strong, when using magneto exchange, both can realize the conversation between city's phone (comprising video telephone) user and the local battery apparatus user, also can realize the conversation between city's phone (comprising video telephone) user and the city phone user.
Description of drawings
Fig. 1 is that the system that interface module that magneto exchange of the present utility model is connected with city's phone is connected with switch and city's phone constitutes schematic diagram.
Fig. 2 is the calling procedure schematic diagram of the interface module that is connected with city's phone of magneto exchange of the present utility model.
Fig. 3 is the called flow schematic diagram of the interface module that is connected with city's phone of magneto exchange of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments magneto exchange of the present utility model is described in detail with the interface module that city's phone is connected.
Fig. 1 is that the system that interface module that magneto exchange of the present utility model is connected with city's phone is connected with switch and city's phone constitutes schematic diagram.As shown in Figure 1, magneto exchange of the present utility model and the interface module that city's phone is connected comprise: ringing-current module, relay group, single-chip microcomputer, ring detection module and thick film circuit are formed.Wherein, described ringing-current module is used to provide bell signal; Described relay group is made of a plurality of relays, is used to select connecting path; Described single-chip microcomputer is used to realize program control, by each relay is controlled, comes control circuit to connect, and makes city's phone can successfully be operated under the calling and called two states; Described ring detection module is used to detect bell signal; Described thick film circuit is used to realize that the interface with city's phone is connected, and is divided into two parts of caller thick film circuit and called thick film circuit.When this module is connected with magneto exchange and city's phone, the T of switch end is connected with relay in the described relay group, the R end of switch directly links to each other with the R end of city's phone, the T of city's phone hold with described relay group in different relay connections.
Here, the T end is meant the TIP end, and the R end is meant the RING end.Two electric wires of telephony wiring circuit are formed in expression respectively.Tip is the another name of electrode line; Ring is the another name of negative electrical wire.
In addition, above-mentioned relay group can be made of 3～4 relays, can make up according to actual needs.
When used phone is the caller state: user's off-hook, the T of caller thick film circuit, the R both end voltage is uprised by low, caller thick film circuit output high level, single-chip microcomputer detects after the high level of caller thick film circuit output, change the state of corresponding relays, the ringing-current module is linked to each other with switch T end and R end, the ringing-current module is to the switch ring, postpone after two seconds, change the state of corresponding relays again, city's phone and ringing-current module are disconnected, simultaneously, city phone T end R end is linked to each other with switch T end R end respectively, at this moment, switch gives the subscriber dialing sound after detecting bell signal, and the user can dial, realize with other users or operator between converse and be connected; User's on-hook behind the end of conversation changes the state of corresponding relay once more, disconnects city phone T end and being connected that switch T holds.
When used phone is called state: other users or operator call user, the ring detection module detects bell signal, output low level, after single-chip microcomputer detects the low level of ring detection module output, by changing the state of corresponding relay, disconnection ring detection module is connected with switch, simultaneously, city's phone is communicated with switch, and disconnects with called thick film circuit, postpone ten seconds, this section in the period user can carry out off-hook operation, treat that bell signal finishes after, change the state of corresponding relay once more, phone T end in city is linked to each other respectively with switch T end R end with the R end, and the user can converse with other users or the operator that dial into; After the end of conversation user on-hook, by changing the state of corresponding relay, disconnect city phone T end and being connected that switch T holds again.
Fig. 2 is the calling procedure schematic diagram of the interface module that is connected with city's phone of magneto exchange of the present utility model.Fig. 3 is the called flow schematic diagram of the interface module that is connected with city's phone of magneto exchange of the present utility model.As shown in Figures 2 and 3, the interface module of the magneto exchange that the utility model provides and city's phone, its operating state comprises caller control flow and called control flow two parts.
When being the caller state, carries out by used phone the caller control flow:
1) user's off-hook, the T of caller thick film circuit, R both end voltage are uprised by low, caller thick film circuit output high level;
2) single-chip microcomputer detects after the high level of caller thick film circuit output, changes the state of corresponding relays, and the ringing-current module is linked to each other with switch T end and R end, and the ringing-current module is to the switch ring;
3) postpone after two seconds, by changing the state of corresponding relays, city's phone and ringing-current module are disconnected, simultaneously, city phone T end R end is linked to each other respectively with switch T end R end, and at this moment, switch gives the subscriber dialing sound after detecting bell signal, the user can dial, realize with other users or operator between converse and be connected;
4) after the end of conversation user on-hook, change the state of corresponding relay once more, disconnect city phone T end and being connected that switch T holds.
When used phone is carried out called control flow during for called state:
1) other users or operator call user, after the ring detection module detects bell signal, output low level;
2) after single-chip microcomputer detected the low level of ring detection module output, by changing the state of corresponding relay, disconnection ring detection module was connected with switch, simultaneously, city's phone is communicated with switch, and disconnects with called thick film circuit;
3) postpone ten seconds, this section in the period user can carry out off-hook operation, after treating that bell signal finishes, change the state of corresponding relay once more, phone T end in city is linked to each other respectively with switch T end R end with the R end, and city's phone and switch be communicated with called thick film circuit, the user can converse with other users or the operator that dial into;
4) after the end of conversation user on-hook, by changing the state of corresponding relay, disconnect city phone T end and being connected that switch T holds again.
Embodiment
Do further detailed elaboration below by the interface module that specific embodiment is connected with city's phone magneto exchange of the present utility model.
As shown in Figure 1, the interface module that magneto exchange of the present utility model is connected with city's phone for example is made up of ringing-current module, relay group, single-chip microcomputer, ring detection module and thick film circuit.Wherein, the ringing-current module is used to provide bell signal; The relay group is made of 4 octal relay V1～V4, is used to select connecting path; Single-chip microcomputer is used to realize program control, by each relay is controlled, comes control circuit to connect, and makes city's phone can successfully be operated under the calling and called two states; The ring detection module is used to detect bell signal; Thick film circuit is used to realize that the interface with city's phone is connected, and is divided into two parts of caller thick film circuit and called thick film circuit.When interface module of the present utility model is connected with switch and city's phone, the R end of switch is linked to each other with the R end of city's phone, but two T ends are then continuous, the T end of switch and city's phone is connected respectively on the different relays.
When being the caller state, carries out by used phone the caller control flow:
1) user's off-hook, the T of caller thick film circuit, R both end voltage are uprised by low, caller thick film circuit output high level;
2) after single-chip microcomputer detects the high level of caller thick film circuit output, change relay V3 state, make V3 (3-4,8-7) link to each other, change relay V1 state simultaneously, V1 (3-4) is linked to each other, then the ringing-current module links to each other with switch T, R this moment, and the ringing-current module is to the switch ring;
3) postpone after two seconds, change relay V1 state, V1 (3-2) is linked to each other, city's phone and ringing-current module are disconnected, simultaneously, city phone T end R end links to each other respectively with switch T end R end, and switch gives the subscriber dialing sound after detecting bell signal, the user can dial, realize with other users or operator between converse and be connected;
4) after the end of conversation user on-hook, change relay V1 state once more, V1 (3-4) is linked to each other, disconnect city phone T end and being connected that switch T holds.
When used phone is carried out called control flow during for called state:
1) other users or operator call user, the ring detection module detects bell signal, output low level;
2) after single-chip microcomputer detects the low level of ring detection module output, change the state of relay V3, (3-4 8-7) links to each other to make V3, disconnection ring detection module is connected with switch, simultaneously, city's phone is communicated with switch, and disconnects with called thick film circuit, change the state of relay V4 then, V4 (3-4) is linked to each other, change the state of relay V2, V2 (3-4) is linked to each other;
3) postpone ten seconds, this section in the period user can carry out off-hook operation, after treating that bell signal finishes, change the state of relay V4 once more, V4 (3-2) is linked to each other, phone T end in city links to each other respectively with switch T end R end with the R end, and the user can converse with other users or the operator that dial into;
4) user's on-hook behind the end of conversation changes relay V1 state, and V1 (3-4) is linked to each other, and disconnects city phone T end and being connected that switch T holds.
In sum, the interface module that utilizes magneto exchange of the present utility model to be connected with city's phone, can realize being connected between magneto exchange and the city's phone, can carry out the call function that is connected between magneto exchange operator and user, user and the user by using common local call telephone or video telephone, solve magneto exchange and can only use the drawback of local battery apparatus, and enlarged the application of magneto exchange.
Claims (5)
1. the interface module of a magneto exchange and city's phone is characterized in that, comprising: ringing-current module, relay group, single-chip microcomputer, ring detection module and thick film circuit are formed,
Wherein, described ringing-current module is used to provide bell signal; Described relay group is made of a plurality of relays, is used to select connecting path; Described single-chip microcomputer is used to realize program control, by each relay is controlled, comes control circuit to connect, and makes city's phone can successfully be operated under the calling and called two states; Described ring detection module is used to detect bell signal; Described thick film circuit is used to realize that the interface with city's phone is connected, and is divided into two parts of caller thick film circuit and called thick film circuit,
When this interface module is connected with magneto exchange and city's phone, the R of switch end is directly linked to each other with the R end of city's phone, two T ends then do not link to each other, and the T end of switch and the T of city's phone hold respectively with different relay in the described relay group and be connected,
When used phone is the caller state: user's off-hook, the T of caller thick film circuit, the R both end voltage is uprised by low, caller thick film circuit output high level, single-chip microcomputer detects after the high level of caller thick film circuit output, change the state of corresponding relays, the ringing-current module is linked to each other with switch T end and R end, the ringing-current module is to the switch ring, postpone after two seconds, change the state of corresponding relays again, city's phone and ringing-current module are disconnected, simultaneously, city phone T end R end is linked to each other with switch T end R end respectively, at this moment, switch gives the subscriber dialing sound after detecting bell signal, and the user can dial, realize with other users or operator between converse and be connected; User's on-hook behind the end of conversation changes the state of corresponding relay once more, disconnects city phone T end and being connected that switch T holds;
When used phone is called state: other users or operator call user, the ring detection module detects bell signal, output low level, after single-chip microcomputer detects the low level of ring detection module output, by changing the state of corresponding relay, disconnection ring detection module is connected with switch, simultaneously, city's phone is communicated with switch, and disconnects with called thick film circuit, postpone ten seconds, this section in the period user can carry out off-hook operation, treat that bell signal finishes after, change the state of corresponding relay once more, phone T end in city is linked to each other respectively with switch T end R end with the R end, and the user can converse with other users or the operator that dial into; After the end of conversation user on-hook, by changing the state of corresponding relay, disconnect city phone T end and being connected that switch T holds again.
2. the interface module of magneto exchange as claimed in claim 1 and city's phone is characterized in that this interface module is installed in magneto exchange inside, and perhaps the standalone module as the outside uses separately.
3. the interface module of magneto exchange as claimed in claim 1 and city's phone is characterized in that, this interface module and plain old telephone or video telephone and magneto exchange are connected, and realizes conversation.
4. as the interface module of any described magneto exchange and city's phone in the claim 1～3, it is characterized in that described relay group is made of 3～4 relays, is used in combination according to actual needs.
5. the interface module of magneto exchange as claimed in claim 4 and city's phone is characterized in that, described relay group is made of 4 octal relay V1～V4,
When used phone is the caller state: user's off-hook, caller thick film circuit output high level; After single-chip microcomputer detects the high level of caller thick film circuit output, change relay V3 state, the 3-4 end points of relay V3 is linked to each other respectively with the 8-7 end points, change relay V1 state simultaneously, the 3-4 end points of relay V1 is linked to each other, this moment, the ringing-current module linked to each other with switch T, R, and the ringing-current module is to the switch ring; Postpone after two seconds, change relay V1 state, the 3-2 end points of relay V1 is linked to each other, city's phone and ringing-current module are disconnected, simultaneously, city phone T end R end links to each other respectively with switch T end R end, and switch gives the subscriber dialing sound after detecting bell signal, the user can dial, realize with other users or operator between converse and be connected; After the end of conversation user on-hook, change relay V1 state once more, the 3-4 end points of relay V1 linked to each other, disconnect city phone T end and being connected that switch T holds,
When used phone is called state: other users or operator call user, the ring detection module detects bell signal, output low level; After single-chip microcomputer detects the low level of ring detection module output, change the state of relay V3,3-4 end points and the 8-7 end points of relay V3 are linked to each other, and disconnection ring detection module is connected with switch, simultaneously, city's phone is communicated with switch, and disconnect with called thick film circuit, change the state of relay V4 then, the 3-4 end points of relay V4 is linked to each other, change the state of relay V2, the 3-4 end points of relay V2 is linked to each other; Postpone ten seconds, this section in the period user can carry out off-hook operation, after treating that bell signal finishes, change the state of relay V4 once more, the 3-2 end points of relay V4 is linked to each other, phone T end in city links to each other respectively with switch T end R end with the R end, and the user can converse with other users or the operator that dial into; User's on-hook behind the end of conversation changes relay V1 state, and the 3-4 end points of relay V1 is linked to each other, and disconnects city phone T end and being connected that switch T holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920110558XU CN201491087U (en) | 2009-07-29 | 2009-07-29 | Interface circuit module of magneto exchange and local exchange |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920110558XU CN201491087U (en) | 2009-07-29 | 2009-07-29 | Interface circuit module of magneto exchange and local exchange |
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| Publication Number | Publication Date |
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| CN201491087U true CN201491087U (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920110558XU Expired - Fee Related CN201491087U (en) | 2009-07-29 | 2009-07-29 | Interface circuit module of magneto exchange and local exchange |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986680B (en) * | 2009-07-29 | 2013-12-11 | 中国科学院空间科学与应用研究中心 | Interface circuit module of magneto exchange and city telephone and control method thereof |
-
2009
- 2009-07-29 CN CN200920110558XU patent/CN201491087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986680B (en) * | 2009-07-29 | 2013-12-11 | 中国科学院空间科学与应用研究中心 | Interface circuit module of magneto exchange and city telephone and control method thereof |
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| 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: 20100526 Termination date: 20140729 |
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| EXPY | Termination of patent right or utility model |