CN205566449U - Independent continuously adjustable signal device of voltage / electric current of direct current / ringing current - Google Patents

Independent continuously adjustable signal device of voltage / electric current of direct current / ringing current Download PDF

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Publication number
CN205566449U
CN205566449U CN201620317972.8U CN201620317972U CN205566449U CN 205566449 U CN205566449 U CN 205566449U CN 201620317972 U CN201620317972 U CN 201620317972U CN 205566449 U CN205566449 U CN 205566449U
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China
Prior art keywords
current
ringing
circuit
output
regulation
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CN201620317972.8U
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Chinese (zh)
Inventor
褚卫忠
陶蒙蒙
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Tiandi Changzhou Automation Co Ltd
Changzhou Research Institute of China Coal Technology and Engineering Group Corp
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Tiandi Changzhou Automation Co Ltd
Changzhou Research Institute of China Coal Technology and Engineering Group Corp
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Priority to CN201620317972.8U priority Critical patent/CN205566449U/en
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Abstract

The utility model relates to an independent continuously adjustable signal device of voltage / electric current of direct current / ringing current has the coupler tester, supply circuit, ringing current generating circuit, direct current regulating circuit and ringing current regulating circuit have in the coupler tester, supply circuit's output connects ringing current generating circuit's the input and the input of direct current regulating circuit respectively, the input of ringing current generating circuit's output termination ringing current regulating circuit, the output of ringing current regulating circuit meets ringing current output circuit and stack output circuit respectively, the output of direct current regulating circuit meets ringing current output circuit and stack output circuit respectively. The utility model provides a measurement of the highest direct current open circuit voltage of telephone coupler, the biggest direct current short -circuit current, the highest ringing current open circuit voltage, the highest ringing current operating current, have measurement accuracy height, the convenient characteristics of control, has solved the produced error of test procedure manual operation, and has realized the stack output of direct current and ringing current.

Description

The voltage/current independence continuously adjustabe advertiser of direct current/ringing-current
Technical field
This utility model relates to a kind of bonder tester technical field, particularly to a kind of direct current/ringing-current Voltage/current independence continuously adjustabe advertiser.
Background technology
Mine telephone set bonder is the xegregating unit between aboveground scheduling switch and down-hole telephone set, Realize the isolation of intrinsically safe circuit (down-hole telephone set) and non-peace circuit (aboveground scheduling switch), with Time must ensure undistorted/low distortion transmission of bell signal and voice signal in using.
Mine telephone set bonder type inspection must meet MT402-1995 " coal production dispatching telephone Use safety coupler general technical specifications " and the requirement of GB3836 " explosive atmosphere ".Standard is wanted Ask the highest continuous off-state voltage to telephone set bonder intrinsic safety side (subscribers feeder of going into the well), maximum direct current Short circuit current, the highest ringing-current open-circuit voltage, four intrinsic safety parameters of the highest ringing-current operating current are tested, To ensure the safety of intrinsic safety side output energy, i.e. realize the essential safety of electrical explosion proof.And on testing State four intrinsic safety parameters and be accomplished by applying in the non-peace side of telephone set bonder direct current/ringing signal, adjust The non-peace side direct current/voltage of ringing signal, electric current change within the specific limits, to test out intrinsic safety side Voltage, the peak of current signal.Fig. 1 is shown in by test philosophy block diagram.
In actually detected, when the highest continuous off-state voltage in test intrinsic safety side, the highest ringing-current open-circuit voltage, Need to be adjusted by the output voltage of non-peace side direct current/ringing signal to test sample (mine telephone set coupling Device) maximum supply voltage, and in actual test, because the power consumption of test sample is different, cause direct current/ It is the most different that the band of bell-ringing signal source arrangement carries pressure drop, and therefore, the load capacity of this direct current/bell-ringing signal source arrangement needs foot Enough big.And test intrinsic safety side maximum direct-current short circuit electric current, (i.e. intrinsic safety side is short for the highest ringing-current operating current Road) time, need the short circuit current adjusting non-peace side direct current/bell-ringing signal source arrangement output to be not higher than test sample The restriction scope of (mine telephone set bonder), in like manner, because of design and the application difference of test sample, The short circuit current of direct current/bell-ringing signal source arrangement is limited also different by it, therefore, and this direct current/bell-ringing signal source arrangement Short circuit current need can adjust continuously.
And aboveground scheduling switch focuses on call serviceability, its output port is constant current output, it is impossible to Thering is provided the direct current/ringing-current voltage/current changed within the specific limits, its short circuit current can not adjust, Testing requirement can not be met.Therefore, when testing the intrinsic safety parameter of mine telephone set bonder, need specially The adjustable direct current/bell-ringing signal source arrangement of voltage/current test.And this signal source must comprise directly Stream voltage/current Independent adjustable signal source and ringing-current voltage/current Independent adjustable signal source.DC voltage/ Electric current Independent adjustable signal source can replace with DC source, but ringing-current voltage/current Independent adjustable signal source Relatively complicated.
At present, domestic bell-ringing signal source arrangement is the most, mainly has " ringing current signal generating circuit ", patent Numbering: 200810241385.5, mainly makes the DC-DC conversion in circuit and DC-AC inversion two Plant circuit conversion to unite two into one, simplify circuit, reduce the voltage stress of secondary circuit.
" a kind of ringing-current control method in communication apparatus and device ", patent number: 200510121073.7, mainly by using MCU or logic chip to detect this plate ringing signal, backboard Ringing signal and the mutually number of delivering letters, and use sequencing contro, avoid the switch when ringing-current start and switching Device direct-cut operation, and the arcing when on-off circuit switches of ringing-current, improve the reliable of switching device Property;And on-off circuit is transferred to veneer from communication apparatus interpolation frame backboard, improve backboard can By property, reduce follow-up maintenance and maintenance difficulty.
" multi-channel high-accuracy voltage and ringing current tester ", patent number: CN01112943.3, This device has that test speed is fast, measuring accuracy is high, measures wide ranges, TCH test channel is many, performance is steady The advantage such as fixed, uses this device can realize the measurement of multichannel wide-range voltage without external circuits.
" a kind of square wave output ringing current electric power supply ", patent number: 201120358104.1, this device gram Take the shortcoming that traditional ringing current power source exists, improve power-efficient, greatly reduce volume, weight Amount, reduces electromagnetic noise, has stronger anti-electromagnetic interference capability and higher Electro Magnetic Compatibility, energy Enough it is directly accessed 3.0~5.0V unidirectional currents or is powered with two to three joint 1.5V aneroid battery, the suitableeest Conjunction is applied in portable communications product, has stronger practical value.
Above patent provides ringing-current control signal to grind during being mostly to use for dispatching communication equipment Study carefully, be i.e. applicable to scheduling switch, and for providing voltage/current Independent adjustable bell-ringing signal source arrangement, and Inapplicable.And " a kind of square wave output ringing current electric power supply " is though being provided that adjustable ringing signal exports, but its Short circuit current can not adjust continuously, and also needs to coordinate independent DC source to use.Use and divide Above-mentioned intrinsic safety parameter is carried out in test process, due to can not being formed of test equipment by body formula test equipment A whole set of control and measurement, often produce the biggest deviation in test result, it is impossible to forms standard True test result.
Utility model content
The purpose of this utility model is the defect overcoming prior art to exist, it is provided that one realizes direct current With the output that superposes of ringing-current, the situation that more authentic and valid simulation actual application environment is likely to occur, The voltage/current making test result have more credible direct current/ringing-current with reliability independently continuously may be used Adjust advertiser.
The technical scheme realizing this utility model purpose is: the voltage/current of a kind of direct current/ringing-current is independent Continuously adjustabe advertiser, has bonder tester;There is in described bonder tester power supply electricity Road, ringing-current generation circuit, DC regulation circuit and ringing-current regulation circuit;The output of described power supply circuits End connects input and the input of DC regulation circuit of ringing-current generation circuit respectively;Described ringing-current occurs The input of the output termination ringing-current regulation circuit of circuit;The outfan of described ringing-current regulation circuit is respectively Connect ringing-current output circuit and superposition output circuit;The outfan of described DC regulation circuit connects ringing-current respectively Output circuit and superposition output circuit.
The shell of bonder tester described in technique scheme is provided with dc switch, ringing-current switchs, DC voltage regulation knob, DC current adjusting knob, direct current gears regulating switch S1, ringing-current gear Regulation switch, superposition output switch, ringing-current adjusting knob, DC output end mouth, ringing-current output port With superposition output port.
DC regulation circuit described in technique scheme includes diode D1, audion Q2, regulation resistance R9, direct current gears regulating switch S1, regulation resistance R4, audion Q1 and audion Q3;Described two The positive and negative two ends of pole pipe D1 are connected on the emitter and collector of audion Q2 respectively;Described audion Q2 Base stage connect regulation resistance R9 slide plate end;Coil one end of described regulation resistance R9 is connected on diode The negative pole end of D1, other end ground connection;The fixing termination audion of described direct current gears regulating switch S1 The colelctor electrode of Q3;The emitter stage of described audion Q3 is connected to the base stage of audion Q1, audion Q3's Base stage is connected to the emitter stage of the audion Q1 of series connection and the common port of the coil of regulation resistance R4;Described The slide plate of regulation resistance R4 connects the selection end of direct current gears regulating switch S1 respectively by two branch roads.
Described in technique scheme, the shell of bonder tester is provided with VD display instrument Table, average anode current display instrument, ringing-current output voltage display instrument and ringing-current output electric current show Instrument.
Using after technique scheme, this utility model has a following positive effect:
(1) technical solutions of the utility model are capable of single device and meet MT402-1995 " colliery Production scheduling phone safety coupler general technical specifications " and the middle rule of GB3836 " explosive atmosphere " The fixed the highest continuous off-state voltage to telephone set bonder intrinsic safety side (subscribers feeder of going into the well), maximum are straight Flow short-circuit electric current, the highest ringing-current open-circuit voltage, the highest ringing-current operating current test request.
(2) to solve the highest continuous off-state voltage of telephone set bonder, maximum direct current short for this utility model Road electric current, the highest ringing-current open-circuit voltage, the measurement of the highest ringing-current operating current, have certainty of measurement high, Feature easy to control, solves error produced by test process manual operation.
(3) this utility model realizes the output that superposes of direct current and ringing-current, and more authentic and valid simulation is real The situation that border applied environment is likely to occur so that test result has more credibility and reliability.
Accompanying drawing explanation
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment And combine accompanying drawing, this utility model is described in further detail, wherein
Fig. 1 is traditional test philosophy block diagram;
Fig. 2 is equipment front panel arrangement figure of the present utility model;
Fig. 3 is test philosophy figure of the present utility model;
Fig. 4 is DC regulation circuit figure of the present utility model;
Accompanying drawing is numbered: bonder tester 1, power supply circuits 2, ringing-current generation circuit 3, direct current Regulation circuit 4, ringing-current regulation circuit 5, ringing-current output circuit 6, superposition output circuit 7, direct current are opened Pass 8, ringing-current switch 9, DC voltage regulation knob 10, DC current adjusting knob 11, zero frequency span Position regulation switch S1, ringing-current gears regulating switch 12, superposition output switch 13, ringing-current adjusting knob 14, DC output end mouth 15, ringing-current output port 16, superposition output port 17, VD Display instrument 18, average anode current display instrument 19, ringing-current output voltage display instrument 20, ringing-current Output electric current display instrument 21, DC output circuit 22.
Detailed description of the invention
(embodiment 1)
See that Fig. 2 to Fig. 4, this utility model have bonder tester 1;Described bonder tester 1 Inside there is power supply circuits 2, ringing-current generation circuit 3, DC regulation circuit 4 and ringing-current regulation circuit 5; The outfan of described power supply circuits 2 connects input and the DC regulation circuit 4 of ringing-current generation circuit 5 respectively Input;The input of the output termination ringing-current regulation circuit 5 of described ringing-current generation circuit 5;Institute The outfan stating ringing-current regulation circuit 5 connects ringing-current output circuit 6 and superposition output circuit 7 respectively;Described The outfan of DC regulation circuit 4 connects DC output circuit 22 and superposition output circuit 7 respectively.
The shell of described bonder tester 1 is provided with dc switch 8, ringing-current switch 9, DC voltage Adjusting knob 10, DC current adjusting knob 11, direct current gears regulating switch S1, ringing-current gear regulate Switch 12, superposition output switch 13, ringing-current adjusting knob 14, DC output end mouth 15, ringing-current are defeated Go out port 16 and superposition output port 17.
Described DC regulation circuit 4 includes diode D1, audion Q2, regulation resistance R9, zero frequency span Position regulation switch S1, regulation resistance R4, audion Q1 and audion Q3;Described diode D1 is just Negative two ends are connected on the emitter and collector of audion Q2 respectively;The base stage of described audion Q2 connects tune The slide plate end of economize on electricity resistance R9;Coil one end of described regulation resistance R9 is connected on the negative pole end of diode D1, Other end ground connection;The colelctor electrode of the fixing termination audion Q3 of described direct current gears regulating switch S1; The emitter stage of described audion Q3 is connected to the base stage of audion Q1, and the base stage of audion Q3 is connected to series connection The common port of coil of emitter stage and regulation resistance R4 of audion Q1;Described regulation resistance R4's Slide plate connects the selection end of direct current gears regulating switch S1 respectively by two branch roads.Article one, prop up route series connection Resistance R7 and R8 composition, another route series connection resistance R1 and R2 composition.
The shell of described bonder tester is provided with VD display instrument 18, direct current output Electric current display instrument 19, ringing-current output voltage display instrument 20 and ringing-current output electric current display instrument 21.
Instrument direct current of the present utility model, ringing-current, superposition output parameter and using method:
Input: AC 200V~240V/3A
Output:
1. direct current output
VD: 38V~65V (adjustable)
Average anode current: 16mA~62mA (under VD 60V state)
Average anode current zonal cooling is adjustable:
1 section: 16mA~30mA
2 sections: 25mA~50mA
3 sections: 35mA~62mA
DC voltage regulation: open dc switch, adjusts DC voltage regulation knob, increases clockwise, Reduce counterclockwise.
DC current regulates: selects suitable electric current gear, short circuit DC output terminal, adjusts direct current Current adjusting knob, increases clockwise, reduces counterclockwise.
2. ringing-current output
Ringing-current output voltage: 0V~110V (continuously adjustabe, frequency 25 ± 3Hz)
Ringing-current output electric current: 0mA~105mA (continuously adjustabe)
Ringing-current voltage-regulation: open ringing-current switch, ringing-current/superposition permutator is allocated to ringing-current direction, Adjust ringing-current adjusting knob, increase clockwise, reduce counterclockwise.
Ringing-current electric current regulates: selects suitable electric current gear, short circuit ringing-current lead-out terminal, adjusts ringing-current Adjusting knob, increases clockwise, reduces counterclockwise.
3. superposition output
Open dc switch, ringing-current switch, ringing-current/superposition permutator is allocated to Direction of superposition, now Superposition outfan has output (red terminal is direct current, and black terminal is ringing-current).Adjust DC voltage with During ringing-current voltage, superposition outfan is also along with change.
Particular embodiments described above, to the purpose of this utility model, technical scheme and beneficial effect Further described, be it should be understood that the foregoing is only of the present utility model specifically Embodiment, is not limited to this utility model, all spirit of the present utility model and principle it In, any modification, equivalent substitution and improvement etc. done, should be included in protection of the present utility model Within the scope of.

Claims (4)

1. a voltage/current independence continuously adjustabe advertiser for direct current/ringing-current, has bonder and surveys Examination instrument (1);It is characterized in that: in described bonder tester (1), there is power supply circuits (2), bell There is circuit (3), DC regulation circuit (4) and ringing-current regulation circuit (5) in stream;Described power supply circuits (2) outfan connects the input of ringing-current generation circuit (5) and DC regulation circuit (4) respectively Input;The input of output termination ringing-current regulation circuit (5) of described ringing-current generation circuit (5); The outfan of described ringing-current regulation circuit (5) connects ringing-current output circuit (6) and superposition output electricity respectively Road (7);The outfan of described DC regulation circuit (4) connects DC output circuit (22) respectively and folds Add output circuit (7).
The voltage/current independence continuously adjustabe signal dress of direct current/ringing-current the most according to claim 1 Put, it is characterised in that: the shell of described bonder tester (1) is provided with dc switch (8), bell Stream switch (9), DC voltage regulation knob (10), DC current adjusting knob (11), zero frequency span Position regulation switch S1, ringing-current gears regulating switch (12), superposition output switch (13), ringing-current regulation Knob (14), DC output end mouth (15), ringing-current output port (16) and superposition output port (17).
The voltage/current independence continuously adjustabe signal dress of direct current/ringing-current the most according to claim 2 Put, it is characterised in that: described DC regulation circuit (4) includes diode D1, audion Q2, tune Economize on electricity resistance R9, direct current gears regulating switch S1, regulation resistance R4, audion Q1 and audion Q3; The positive and negative two ends of described diode D1 are connected on the emitter and collector of audion Q2 respectively;Described three The base stage of pole pipe Q2 connects the slide plate end of regulation resistance R9;Coil one end of described regulation resistance R9 is connected on The negative pole end of diode D1, other end ground connection;The fixing termination of described direct current gears regulating switch S1 The colelctor electrode of audion Q3;The emitter stage of described audion Q3 is connected to the base stage of audion Q1, three poles The base stage of pipe Q3 is connected to the emitter stage of the audion Q1 of series connection and the common port of the coil of regulation resistance R4; The slide plate of described regulation resistance R4 connects the selection of direct current gears regulating switch S1 respectively by two branch roads End.
The voltage/current independence continuously adjustabe signal dress of direct current/ringing-current the most according to claim 3 Put, it is characterised in that: the shell of described bonder tester (1) is provided with VD and shows Instrument (18), average anode current display instrument (19), ringing-current output voltage display instrument (20) With ringing-current output electric current display instrument (21).
CN201620317972.8U 2016-04-15 2016-04-15 Independent continuously adjustable signal device of voltage / electric current of direct current / ringing current Active CN205566449U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620317972.8U CN205566449U (en) 2016-04-15 2016-04-15 Independent continuously adjustable signal device of voltage / electric current of direct current / ringing current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620317972.8U CN205566449U (en) 2016-04-15 2016-04-15 Independent continuously adjustable signal device of voltage / electric current of direct current / ringing current

Publications (1)

Publication Number Publication Date
CN205566449U true CN205566449U (en) 2016-09-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105744103A (en) * 2016-04-15 2016-07-06 天地(常州)自动化股份有限公司 Voltage/current independent, continuous and adjustable signal device of direct current/ringing current

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105744103A (en) * 2016-04-15 2016-07-06 天地(常州)自动化股份有限公司 Voltage/current independent, continuous and adjustable signal device of direct current/ringing current

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