CN209088939U - Intercom calls host - Google Patents

Abstract

The utility model discloses a kind of intercom calls hosts, including main control module, power supply module, wireless module, display module, voice broadcast module, data transmit-receive module, main control module respectively with wireless module, display module, voice broadcast module is connected with data transmit-receive module, power supply module respectively with main control module, wireless module, display module, voice broadcast module is connected with data transmit-receive module, it further include calling evaluation module, calling evaluation module includes memory and calling timing circuit, memory and calling timing circuit are connect with main control module respectively, power supply module includes stand-by power supply circuit.The utility model has the following beneficial effects: time of call established can be set, start timing when call signal transmits, overtime access failure is recorded, and has using assessment call quality, improves service quality；It can automatically switch lithium battery power supply when having a power failure, so that intercom calls host normal use when having a power failure.

Description

Intercom calls host

Technical field

The utility model relates to calling set field, specifically a kind of intercom calls host.

Background technique

With the continuous development of China's economic and society, people's living standards are constantly improving, and service trade is also therewith It develops rapidly, the update of service theory and service facility also implies that the innovation and development of enterprise.Therefore, one it is emerging Service relay product-calling set product just arises and is approved gradually by Chinese Consumer's and businessman, because its is practical, side Just the advantages that, obtains rapidly market approval, based on initial service industry, amusement and recreation industry, hospital till now, endowment The application such as institute, factory, supermarket, bank, enterprise, government.

Calling set system includes called host and calling extension set, once someone presses calling extension set button, called host is just sent out Sound and light alarm signal out, while simultaneous display calls extension number, personnel can rush for calling place disposition at once.Calling Device system is the auxiliary equipment to raise the management level with service level, however existing call host is only capable of providing calling talkback function Can, lack the monitoring function to calling talkback situation, is not easy to examine personnel service's mass, simultaneously because called host Need 24 continuous throughout the twenty-four hour24s, it is desirable that performance will be stablized, it is therefore desirable to improved to power supply mode so that called host is being stopped It can also be worked normally in electric situation.

Utility model content

Utility model aims to solve the above problems of the prior art, provide a kind of intercom calls host, Using when can set time of call established, overtime access failure situation will be recorded, while can be automatic under power blackout situation Switch battery power supply.

The purpose of this utility model is achieved through the following technical solutions:

A kind of intercom calls host, including main control module, power supply module, wireless module, display module, voice broadcast mould Block, data transmit-receive module, main control module connect with wireless module, display module, voice broadcast module and data transmit-receive module respectively It connects, power supply module is connect with main control module, wireless module, display module, voice broadcast module and data transmit-receive module respectively, also Including calling evaluation module, the calling evaluation module includes memory and calling timing circuit, and the memory and calling are counted When circuit connect respectively with main control module, base chip U1 when the calling timing circuit includes, timing chip U2 and U3, resistance R1 To R8, capacitor C1 to C4, diode D1, triode Q1, R1 mono- terminates the one end C1 and is followed by main control module, and another termination C1 of R1 is another The one end R2 and Q1 base stage are connect behind end respectively, another termination Q1 emitter of R2 is followed by power supply module, and Q1 collector divides after connecing the one end R3 The one end R4, the one end R5, D1 cathode, U1 pin 8 and the one end R7 are not connect, and R3 other end ground connection is distinguished after another termination D1 of R5 is positive The one end C2 and the one end R6, C2 other end ground connection are connect, another termination U1 pin 4 of R6, another one end termination R8 stator pin of R4 is followed by U1 pin 7, R8 movable plate pin connect R8 other end stator pin, U1 pin 2 and pin 6 respectively and are followed by the one end C3, the C3 other end point It is grounded after not connecing U1 pin 1 and the one end C4, another termination U1 pin 5 of C4, U1 pin 3 connects the R7 other end and is followed by U2 pin 4, and U2 draws Foot 5 connects power supply module, and U2 pin 11 connects main control module, and U2 pin 13 connects U3 pin 4, and U3 pin 5 connects power supply module, U3 pin 11 Main control module is connect, U3 pin 13 connects main control module, and U3 pin 1 connects power supply module.

Preferably, the power supply module includes stand-by power supply circuit, and the stand-by power supply circuit includes lithium battery, transformer TF1, voltage comparator U4 to U6, rectifier bridge VC, resistance R9 to R25, capacitor C5 to C10, diode D2 to D7, Darlington Q2 and Q3, TF1 primary coil connect power input, and TF1 secondary coil connects VC exchange pin, and VC anode output pin connects Q2 transmitting respectively Connect the one end R10 and D2 anode behind pole and the one end R9 respectively again, D2 cathode connects the one end R24, Q3 collector and the one end C10 respectively and is followed by For electricity output, R11 movable plate pin, the one end R11 stator pin, D3 anode and U4 output are connect behind another one end termination C5 R9 respectively Foot, C5 other end ground connection, R11 other end stator pin meet R12 and are followed by Q2 ground level, and Q2 collector connects the one end R14 after meeting R13 respectively With Q3 emitter is connect after lithium battery anode again, it is fixed that the one end R15 stator pin, the one end R16 are connect behind another one end termination C6 R14 respectively Piece pin and the one end R17 stator pin, R17 movable plate pin connect R18 be followed by D4 anode, D4 cathode connect respectively U4 homophase input foot and Connect the one end R19 and U5 output pin, another termination D3 cathode of R25 behind the one end R25 respectively again, U5 anti-phase input foot connects U4 anti-phase input D5 anode, the one end R20 and the one end R21 are connect after foot respectively, is grounded after another termination C10 other end of R21, U5 homophase input foot meets C7 One end is followed by R16 movable plate pin, and the C7 other end meets D5 cathode and U6 after connecing the one end C8, the one end R22 and D6 cathode respectively respectively again Homophase input foot, D6 anode connect the R10 other end, and U6 anti-phase input foot connects R15 movable plate pin, and U6 output pin meets R23 and is followed by Q3 base Grade, cathode of lithium battery connects the C6 other end respectively, the R22 other end, D7 anode, the one end C9, U6 supply pin, R15 other end stator draw Foot, the C8 other end, R16 other end stator pin, R17 other end stator pin, VC cathode output pin and the R19 other end are followed by Ground, D7 cathode connect the C9 other end, U6 lower margin and the R20 other end after connecing the R24 other end respectively.

In conclusion the utility model has the following beneficial effects:

1, time of call established can be set, starts timing when call signal transmits, overtime access failure is recorded, has Using assessment call quality, improve service quality.

2, lithium battery power supply can be automatically switched when having a power failure, so that intercom calls host normal use when having a power failure.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is that the utility model calls timing circuit figure.

Fig. 2 is the utility model stand-by power supply circuit diagram.

Specific embodiment

Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.

Embodiment:

As shown in Figure 1 to Figure 2, a kind of intercom calls host, including main control module, power supply module, wireless module, display mould Block, voice broadcast module, data transmit-receive module, main control module respectively with wireless module, display module, voice broadcast module sum number It is connected according to transceiver module, power supply module is received with main control module, wireless module, display module, voice broadcast module and data respectively Module connection is sent out, above-mentioned main control module, wireless module, display module, voice broadcast module and data transmit-receive module are existing Technology, therefore be not specifically described.

This intercom calls host further includes calling evaluation module, and calling evaluation module includes memory and calling timing electricity Road, memory and calling timing circuit are connect with main control module respectively, base chip U1 when calling timing circuit includes, timing chip U2 and U3, resistance R1 to R8, capacitor C1 to C4, diode D1, triode Q1, R1 mono- terminate the one end C1 and are followed by main control module, R1 The one end R2 and Q1 base stage are connect after another termination C1 other end respectively, another termination Q1 emitter of R2 is followed by power supply module, Q1 current collection Pole connects the one end R4, the one end R5, D1 cathode, U1 pin 8 and the one end R7, R3 other end ground connection, the R5 other end after connecing the one end R3 respectively The one end C2 and the one end R6, C2 other end ground connection, another termination U1 pin 4 of R6, another termination R8 mono- of R4 are met respectively after connecing D1 anode End stator pin is followed by U1 pin 7, and R8 movable plate pin connects R8 other end stator pin, U1 pin 2 and pin 6 respectively and is followed by C3 mono- End, the C3 other end are grounded after connecing U1 pin 1 and the one end C4 respectively, another termination U1 pin 5 of C4, after U1 pin 3 connects the R7 other end U2 pin 4 is connect, U2 pin 5 connects power supply module, and U2 pin 11 connects main control module, and U2 pin 13 connects U3 pin 4, and U3 pin 5 connects confession Electric module, U3 pin 11 connect main control module, and U3 pin 13 connects main control module, and U3 pin 1 connects power supply module.In intercom calls host When receiving call signal, main control module controls U1, U2 and U3 work, and U1 and its peripheral circuit constitute second pulse generator, U2 The second pulse signal of U1 is received with U3 and is counted, and is connected intercom calls host control U2 and U3 within the set time and is stopped work Make, overtime access failure U3 sends timeout signal to main control module, and timeout case is stored into memory by main control module, certainly, main Control module also can control display module and show overtime access failure situation.

Power supply module includes stand-by power supply circuit, and stand-by power supply circuit includes lithium battery, transformer TF1, voltage comparator U4 to U6, rectifier bridge VC, resistance R9 to R25, capacitor C5 to C10, diode D2 to D7, Darlington Q2 and Q3, TF1 primary Coil connects power input, and TF1 secondary coil connects VC exchange pin, and VC anode output pin connects behind Q2 emitter and the one end R9 again respectively The one end R10 and D2 anode are connect respectively, and D2 cathode connects the one end R24, Q3 collector and the one end C10 respectively and is followed by for electricity output, and R9 is another R11 movable plate pin, the one end R11 stator pin, D3 anode and U4 output pin, another termination of C5 are connect behind one termination one end C5 respectively Ground, R11 other end stator pin meet R12 and are followed by Q2 ground level, and Q2 collector connects the one end R14 and lithium battery anode after meeting R13 respectively It connects Q3 emitter again afterwards, meets the one end R15 stator pin, the one end R16 stator pin and R17 behind another one end termination C6 R14 respectively One end stator pin, R17 movable plate pin meet R18 and are followed by D4 anode, and D4 cathode connects behind U4 homophase input foot and the one end R25 again respectively The one end R19 and U5 output pin, another termination D3 cathode of R25 are connect respectively, and U5 anti-phase input foot connects respectively after connecing U4 anti-phase input foot D5 anode, the one end R20 and the one end R21 are grounded after another termination C10 other end of R21, and U5 homophase input foot connects the one end C7 and is followed by R16 movable plate pin, the C7 other end connect D5 cathode and U6 homophase input after connecing the one end C8, the one end R22 and D6 cathode respectively respectively again Foot, D6 anode connect the R10 other end, and U6 anti-phase input foot connects R15 movable plate pin, and U6 output pin meets R23 and is followed by Q3 ground level, lithium electricity It is another that pond cathode meets the C6 other end, the R22 other end, D7 anode, the one end C9, U6 supply pin, R15 other end stator pin, C8 respectively It is grounded after one end, R16 other end stator pin, R17 other end stator pin, VC cathode output pin and the R19 other end, D7 cathode The C9 other end, U6 lower margin and the R20 other end are connect respectively after connecing the R24 other end.TF1, VC and Q1 form lithium battery in foregoing circuit Charging circuit, U4, U5 and R16 composition overcharge protection, and U6 and R15 constitute over, and R10 and D6 composition carry out electro-detection, lead to U4 to U6 is crossed to control the power supply of lithium battery.When having electricity, extraneous power supply is powered by D2 to subsequent conditioning circuit after step-down rectifier, simultaneously It charges to lithium battery, charging voltage is automatically stopped charging when reaching rated value, automatically begin to charge again after lithium battery drops； Lithium battery power supply is automatically switched to when having a power failure.The applicant's earlier application file application number 201821727520.2 " is promptly exhaled Be extension set " in disclose a kind of power-off modular, which includes lighting system and alarm modules, when the power supply of external connection It breaks suddenly, then calls extension set and start internal cell automatically as lighting system power supply, while alarm modules issue sound-light alarm.But Be the power-off modular be only lighting system power supply, calling talkback function still cannot use during power-off, at the same internal cell with It is independent between external power supply, it is most likely that internal cell also situation out of power occur, need to improve.Power supply mould in the present embodiment Block is able to detect internal electric quantity of lithium battery situation and charges, and guarantees that lithium battery has electricity when power blackout situation occurs, and powers off simultaneously When lithium battery power to remaining module, intercom calls host can also work normally when ensure that power-off.

It takes or uses for reference prior art and can be realized in the part that do not addressed in aforesaid way.

The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical In novel protection scope.

Claims (2)

1. a kind of intercom calls host, including main control module, power supply module, wireless module, display module, voice broadcast module, Data transmit-receive module, main control module are connect with wireless module, display module, voice broadcast module and data transmit-receive module respectively, Power supply module is connect with main control module, wireless module, display module, voice broadcast module and data transmit-receive module respectively, special Sign is: further including calling evaluation module, the calling evaluation module includes memory and calling timing circuit, the memory With calling timing circuit connect respectively with main control module, when the calling timing circuit includes base chip U1, timing chip U2 with U3, resistance R1 to R8, capacitor C1 to C4, diode D1, triode Q1, R1 mono- terminate the one end C1 and are followed by main control module, and R1 is another The one end R2 and Q1 base stage are connect respectively after the termination C1 other end, and another termination Q1 emitter of R2 is followed by power supply module, and Q1 collector connects The one end R4, the one end R5, D1 cathode, U1 pin 8 and the one end R7, R3 other end ground connection, another termination D1 of R5 are met behind the one end R3 respectively The one end C2 and the one end R6 are connect after anode respectively, C2 other end ground connection, another termination U1 pin 4 of R6, another one end termination R8 R4 is determined Piece pin is followed by U1 pin 7, and R8 movable plate pin connects R8 other end stator pin, U1 pin 2 and pin 6 respectively and is followed by the one end C3, The C3 other end is grounded after connecing U1 pin 1 and the one end C4 respectively, and another termination U1 pin 5 of C4, U1 pin 3 connects the R7 other end and is followed by U2 Pin 4, U2 pin 5 connect power supply module, and U2 pin 11 connects main control module, and U2 pin 13 connects U3 pin 4, and U3 pin 5 connects power supply mould Block, U3 pin 11 connect main control module, and U3 pin 13 connects main control module, and U3 pin 1 connects power supply module.

2. a kind of intercom calls host according to claim 1, it is characterised in that: the power supply module includes stand-by power supply Circuit, the stand-by power supply circuit include lithium battery, and transformer TF1, voltage comparator U4 to U6, rectifier bridge VC, resistance R9 is extremely R25, capacitor C5 to C10, diode D2 to D7, Darlington Q2 and Q3, TF1 primary coil connect power input, TF1 secondary wire Circle connects VC exchange pin, and VC anode output pin meets the one end R10 and D2 anode, D2 after connecing Q2 emitter and the one end R9 respectively respectively again Cathode connects the one end R24, Q3 collector and the one end C10 respectively and is followed by for electricity output, and it is dynamic to meet R11 behind another one end termination C5 R9 respectively Piece pin, the one end R11 stator pin, D3 anode and U4 output pin, C5 other end ground connection, after R11 other end stator pin meets R12 Connect Q2 ground level, Q2 collector connects connect the one end R14 and lithium battery anode respectively after R13 after meet Q3 emitter, another termination C6 of R14 again The one end R15 stator pin, the one end R16 stator pin and the one end R17 stator pin are connect behind one end respectively, R17 movable plate pin meets R18 It is followed by D4 anode, D4 cathode connects the one end R19 and U5 output pin after connecing U4 homophase input foot and the one end R25 respectively respectively again, and R25 is another One termination D3 cathode, U5 anti-phase input foot connect that meet D5 anode, the one end R20 and the one end R21, R21 after U4 anti-phase input foot respectively another It is grounded after the one termination C10 other end, U5 homophase input foot connects the one end C7 and is followed by R16 movable plate pin, and the C7 other end meets C8 mono- respectively D5 cathode and U6 homophase input foot are connect respectively again after end, the one end R22 and D6 cathode, and D6 anode connects the R10 other end, U6 anti-phase input Foot connects R15 movable plate pin, and U6 output pin meets R23 and is followed by Q3 ground level, and cathode of lithium battery connects the C6 other end, the R22 other end, D7 respectively Anode, the one end C9, U6 supply pin, R15 other end stator pin, the C8 other end, R16 other end stator pin, the R17 other end are fixed It is grounded after piece pin, VC cathode output pin and the R19 other end, D7 cathode connects the C9 other end, U6 lower margin after connecing the R24 other end respectively With the R20 other end.