CN205672408U - The start stop switch circuit of a kind of 2 line traffic controls and terminator, testing circuit - Google Patents
The start stop switch circuit of a kind of 2 line traffic controls and terminator, testing circuit Download PDFInfo
- Publication number
- CN205672408U CN205672408U CN201620589937.1U CN201620589937U CN205672408U CN 205672408 U CN205672408 U CN 205672408U CN 201620589937 U CN201620589937 U CN 201620589937U CN 205672408 U CN205672408 U CN 205672408U
- Authority
- CN
- China
- Prior art keywords
- circuit
- audion
- terminator
- resistance
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model discloses the start stop switch circuit of a kind of 2 line traffic controls, for controlling the start and stop of fire fighting linkage equipment, including 24V power supply, 2 PNP type triode V101 and V104,4 NPN type triode V102, V103, V105 and V106,1 electric fuse F101.Audion V101, V102 and V106 constitute and control the output of forward 24V unidirectional current and the on-off circuit of shutoff output on 2 lines；Audion V103, V104 and V105 form the output of reverse 24V unidirectional current and the on-off circuit of shutoff output on 2 lines.This utility model additionally provides the terminator with aforementioned switches Circuit Matching, testing circuit, make use of the principle of electromagnetic relay switch Guan Bi inertia during detection.Circuit of the present utility model utilizes 2 lines can directly control the start and stop of fire fighting linkage equipment, and can carry out the short circuit on 2 lines, open circuit and the detection of interlocking equipment feedback states by being attempted by the cooperation of the terminator of interlocking equipment end.
Description
Technical field
This utility model relates to fire alarm control unit coordinated signals technical field, and specifically a kind of employing 2 lines just can be straight
Connect the control circuit controlling fire fighting linkage equipment start and stop, by fire fighting linkage equipment end and connect terminator and just can detect short
Road, open circuit and feedback information.
Background technology
The coordinated signals function of fire alarm control unit is a very important function of controller.Work as breaking out of fire
Time, controller is after receiving the fire alarm signal that detector sends, and while sending alarm signal, opens with being also reliably capable
The fire protection linkage control equipment such as dynamic fire pump, spray pump, blower fan, fire resisting shutter, for stamping out a fire in time and personnel escape's win
Obtain valuable time.
And the Multi-line linkage dish of traditional fire alarm control unit be by connect many wire modules again go control interlocking equipment
Start and stop, the not only wiring of this mode is complicated, and the many wire modules connected add the fault rate of coordinated signals, unreliability
Etc. factor, and it is big to have quantities, and cost is high, and the not shortcoming such as easy care.The short circuit of the most traditional Multi-line linkage dish, disconnected
Road and feedback information detection partial circuit principle are complicated, are difficult to investigation and maintenance when breaking down.Furthermore, that will implement is new
National standard also requires that the Multi-line linkage dish of fire alarm control unit wants directly to control the start and stop of fire fighting linkage equipment, to guarantee
When fire occurs, the high reliability of fire protection linkage control.
Therefore one just can control interlocking equipment start and stop only with 2 lines, and can also detect the electricity of short circuit, open circuit and feedback
Road, is applied on the Multi-line linkage dish of fire alarm control unit, it is not necessary to connect many wire modules again.Can directly control owing to it has
Interlocking equipment start and stop processed, wiring is simple, quantities is little, reliability is high, be easier the advantages such as maintenance, additionally its short circuit, open circuit
Simple with the circuit theory of feedback status information detection part, be prone to investigate the feature such as fault and maintenance, will obtain increasingly
Many application.
Utility model content
The purpose of this utility model is to provide the start stop switch circuit of a kind of 2 line traffic controls, and this circuit is not only without joining again
Connect many wire modules, and just can directly control the start and stop of fire fighting linkage equipment only with 2 lines, and more electric by voltage detecting
Road and be attempted by the cooperation of a kind of terminator of fire fighting linkage equipment end, it is achieved the short circuit on 2 lines, open circuit and linkage are set
The function of standby feedback status information detection.
This utility model solves its technical problem and be the technical scheme is that
A kind of start stop switch circuit of 2 line traffic controls, for controlling the start and stop of fire fighting linkage equipment, including 24V power supply, 2
PNP type triode V101 and V104,4 NPN type triode V102, V103, V105 and V106,1 electric fuse F101.Wherein,
One end of electric fuse F101 is connected between the colelctor electrode of audion V101 and the colelctor electrode of audion V103, electric fuse F101's
The other end is positive terminal C+；The colelctor electrode of audion V104 is connected with the colelctor electrode of audion V106, as negative terminal C-.
Wherein, the equal ground connection of the emitter stage of audion V103 and V106.The emitter stage of audion V101 is just connecting 24V power supply
Pole.
The terminator that a kind of and aforementioned 2 line traffic controls start stop switch circuit coordinate, the LOAD1/RET1 of this terminator
Terminal connects positive terminal C+, and the LOAD2 terminal of terminator connects negative terminal C-through diode V2.Terminator includes 3
Individual branch road: branch road 1 is resistance R1 and diode V1 series connection；Branch road 2 is diode V2；Branch road 3 is resistance R2.The one of 3 branch roads
End is all connected between positive terminal C+ and negative terminal C-.
A kind of testing circuit, coordinates aforesaid terminator, for detecting the short circuit of fire fighting linkage equipment, open circuit and feedback
State, this testing circuit is connected in parallel between the emitter stage of 24V positive source and audion 104 by resistance R107.This detection electricity
Road includes comparator N101A, N101B, N101C, divider resistance R107-113, filter capacitor C101, pull-up resistor R114-116.
Ground connection after resistance R107, R108, C101 series connection, ground connection after resistance R109, R110, R111 series connection, after resistance R112, R113 series connection
Ground connection.The emitter stage of connecting triode 104 between R107 and R108, connect respectively between R108 and C101 comparator N101A,
The inverting input of N101B and the in-phase input end of N101C.The homophase input of comparator N101A is connected between R112 and R113
End, connects the in-phase input end of comparator N101B between R109 and R110, connect comparator N101C's between R110 and R111
Inverting input.
The beneficial effects of the utility model are, not only without connecting many wire modules again, and just can directly control only with 2 lines
The start and stop of fire fighting linkage equipment processed and by the cooperation of terminator, just can realize 2 lines to controlling fire fighting linkage equipment and enter
Row short-circuit condition, off state and the function of fire fighting linkage equipment feedback states detection, the most not only drastically increase and offset
Reliability, wiring that anti-interlocking equipment controls are few and simple, quantities is little, and owing to short open circuit and feedback status information are examined
Survey partial circuit principle simple and be prone to investigate fault, keep in repair and maintenance etc..
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further illustrated:
Fig. 1 is the circuit theory diagrams of the start stop switch circuit in this utility model；
Fig. 2 is the circuit diagram of the terminator in this utility model；
Fig. 3 is the circuit diagram of this utility model testing circuit.
Detailed description of the invention
As it is shown in figure 1, the start stop switch circuit of a kind of 2 line traffic controls, including 24V power supply, 2 PNP type triode V101 and
V104,4 NPN type triode V102, V103, V105 and V106,1 electric fuse F101.Wherein, one end of electric fuse F101 is even
Being connected between the colelctor electrode of audion V101 and the colelctor electrode of audion V103, the other end of electric fuse F101 is positive terminal C
+；The colelctor electrode of audion V104 is connected with the colelctor electrode of audion V106, as negative terminal C-.Audion V103 and V106
The equal ground connection of emitter stage.In Fig. 1, EN1, EN2, EN3 and EN4 are the control signal of fire fighting linkage equipment start and stop.
As it is shown in figure 1, the base circuit of audion V101 includes: audion V102, R101-102；Wherein, audion
V102 is NPN type triode, and the emitter stage of audion V102 is connected to ground.The base circuit of audion V103 includes: R103.Three
The base circuit of pole pipe V104 includes: audion V105, R104-105；Wherein, audion V105 is NPN type triode, three poles
The emitter stage of pipe V105 is connected to ground.The base circuit of audion V106 includes: R106.The structure of above base circuit such as Fig. 1
Shown in, each element and operation principle are the basic general knowledge of those skilled in the art, and therefore not to repeat here.
Audion V101 and V106 constitutes and controls the output of forward 24V unidirectional current and the on-off circuit of shutoff output on 2 lines.
24V positive source through audion V101, electric fuse F101, be then passed through equipment (electromagnetic relay of fire fighting linkage equipment) and
Terminator arrives audion V106, returns to 24V power cathode (ground connection), constitutes a loop.
When audion V101 and audion V106 opens the most simultaneously, this on-off circuit will export forward 24V on 2 lines
Unidirectional current, starts the electromagnetic relay controlling fire fighting linkage equipment, thus starts fire fighting linkage equipment.And as audion V101 and
The when that audion V106 simultaneously switching off, this on-off circuit turns off the galvanic output of 24V on 2 lines, makes control fire-fighting join
The electromagnetic relay of dynamic equipment disconnects, thus stops fire fighting linkage equipment.
Audion V104 and audion V103 forms the output of reverse 24V unidirectional current and the on-off circuit of shutoff output on 2 lines.
This on-off circuit utilizes the 24V unidirectional current of reversely output to carry out the detection of short circuit, open circuit and feedback states.As audion V104 and
The when that audion V103 opening simultaneously, 24V unidirectional current is through resistance R107, audion V104, terminator, electric fuse
F101, audion V103 return to 24V power cathode, constitute a loop.When audion V104 and audion V103 opens simultaneously
When, this on-off circuit will export reverse 24V unidirectional current on 2 lines.And when audion V104 and audion V103 is same
Time disconnect when, this on-off circuit turns off the galvanic output of reverse 24V on 2 lines.
As shown in Figures 2 and 3, this utility model additionally provides terminator and testing circuit, offsets in order to have coordinated
The short circuit of anti-interlocking equipment, open circuit and the detection of feedback states.
Seeing accompanying drawing 2, terminator is connected in parallel with the electromagnetic relay (load) of fire fighting linkage equipment, i.e. terminator
C+ terminal connect load end 1 (positive terminal C+), the LOAD2 terminal of terminator connects load end 2, simultaneously LOAD2 terminal
Negative terminal C-is connected through diode V2.Resistance R1 and diode V1 be connected in series in positive terminal C+ and negative terminal C-it
Between, wherein, resistance R1 is connected with terminal C+；The positive pole of diode V1 is connected with the negative pole of diode V2；Resistance R2 is connected to
Between RET2 terminal and negative terminal C-.LOAD1/RET1 (passive feedback 1) is connected with positive terminal C+ and resistance R1, RET2
(passive feedback 2) is connected with resistance R2, and LOAD1/RET1 end and RET2 end connect the electromagnetic relay of fire fighting linkage equipment respectively
Two groups of passive contacts.
As shown in Figure 3, testing circuit of the present utility model is connected in parallel on 24V positive source and audion by resistance R107
Between the emitter stage of 104.This testing circuit includes comparator N101A, N101B, N101C, divider resistance R107-113, filtered electrical
Hold C101, pull-up resistor R114-116.Ground connection after resistance R107, R108, C101 series connection, after resistance R109, R110, R111 series connection
Ground connection, ground connection after resistance R112, R113 series connection.The emitter stage of connecting triode 104 between R107 and R108, R108 and C101 it
Between connect the inverting input of comparator N101A, N101B and the in-phase input end of N101C respectively.Connect between R112 and R113
The in-phase input end of comparator N101A, connects the in-phase input end of comparator N101B, R110 and R111 between R109 and R110
Between connect comparator N101C inverting input.
See accompanying drawing Fig. 1-3:
Under normal circumstances, the equivalent resistance resistance of reverse 24V DC output end mouth is R107 and R1 sum；
Under short-circuit conditions, the equivalent resistance resistance of reverse 24V DC output end mouth is R107；
Under open circuit conditions, the equivalent resistance resistance of reverse 24V DC output end mouth is infinitely great；
Under feedback, the equivalent resistance resistance of reverse 24V DC output end mouth is R1 and R2 is in parallel, adds
R107。
Therefore, in the case of four kinds of differences, the equivalent resistance of the galvanic output port of 24V that 2 lines reversely export
Resistance is different, therefore the comparison voltage U1 of voltage comparator input is different under four kinds of states, therefore voltage comparator output
The low and high level of short circuit, open circuit and feedback the most different such that it is able to realize short circuit, open circuit and the merit of feedback states detection
Energy.
When starting without fire fighting linkage equipment, when i.e. 2 lines export without forward 24V unidirectional current, audion V101 and three poles
When pipe V106 is in turning off, reverse 24V unidirectional current can directly export, and opens audion V104 and audion V103 the most simultaneously
And on 2 lines, export reverse 24V unidirectional current carry out the detection of short circuit, open circuit and feedback states.
And when there being fire fighting linkage equipment to start, when audion V101 and audion V106 is already at open mode, i.e.
When controlling there has been forward 24V unidirectional current on 2 lines of fire fighting linkage equipment, need to be first turned off audion V101 and audion V106
The extremely short time, make the output of forward 24V unidirectional current turn off, then open audion V104 and the audion V103 extremely short time,
Export reverse 24V unidirectional current, be then first turned off audion V104 and audion V103, then open audion V101 and audion
V106 is to recover the galvanic output of forward 24V.
The principle of electromagnetic relay switch Guan Bi inertia is make use of just during Gai.Although therefore turning off forward 24V direct current
The output of electricity, but owing to the time is extremely short, and recover the galvanic output of forward 24V, the fire-fighting therefore started the most soon
Interlocking equipment is the most still constantly in the state of startup, and can also complete short in the case of fire fighting linkage equipment starts
The detection of road, open circuit and feedback status information.
This utility model circuit utilizes 2 lines can directly control the start and stop of fire fighting linkage equipment, and can be by being attempted by connection
The cooperation of the terminator of dynamic equipment end carries out the detection of short circuit, open circuit and feedback states.Its principle is to utilize audion to form
On-off circuit, on 2 lines controlling fire fighting linkage equipment, the 24V unidirectional current of forward can not only be exported, and can also export anti-
To 24V unidirectional current.Interlocking equipment is controlled by the 24V unidirectional current of output forward and the 24V unidirectional current of shutoff output forward
Start and stop；By exporting reverse 24V unidirectional current, and coordinated by terminator and carry out short circuit, open circuit and fire-fighting link control
The detection of the feedback states of control equipment.
When carrying out short circuit, open circuit and feedback states detection, the electromagnetic relay having used control interlocking equipment start and stop is opened
The Guan Bi principle of inertia closed, i.e. exports forward 24V unidirectional current on 2 lines and makes electromagnetic relay close, be then turned off forward 24V straight
Stream electricity, the simultaneously reverse 24V unidirectional current of output stage short time on 2 lines, and before electromagnetic relay switch disconnects, first close
The reversely galvanic output of 24V on disconnected 2 lines, recovers the galvanic output of forward 24V on 2 lines, the most again although being so disconnected
Make the forward 24V unidirectional current that electromagnetic relay switch closes, but owing to the time is extremely short, and recovered the most again forward 24V
Galvanic output, therefore electromagnetic relay switch still can be constantly in the state of Guan Bi.Therefore it is straight without forward 24V on 2 lines
During stream electricity output, i.e. start without interlocking equipment, directly can export reverse 24V unidirectional current on 2 lines and carry out short circuit, open circuit and instead
The detection of feedback state.
And when there being forward 24V unidirectional current to export on 2 lines, i.e. have interlocking equipment to start, it is necessary to first disconnect forward 24V straight
The time that stream electricity output is extremely short, and within the time that this is extremely short, export reverse 24V unidirectional current, then it is first turned off reverse 24V direct current
The output of electricity, then recover the galvanic output of forward 24V, not only interlocking equipment is still within the state started, and by eventually
The cooperation of end load so that time under normal, short-circuit, open circuit and feedback states, the reverse 24V DC output end mouth of this circuit
Equivalent resistance resistance is different, therefore the benchmark voltage of the circuit of voltage comparator input is different such that it is able to completes short circuit, break
Road and the detection of interlocking equipment feedback states.
This utility model is not limited to the above description to embodiment, and those skilled in the art disclose according to this utility model
Content, the improvement that need not be carried out through creative work on the basis of this utility model and amendment, all should be new in this practicality
Within the protection domain of type.
Claims (4)
1. a start stop switch circuit for 2 line traffic controls, for controlling the start and stop of fire fighting linkage equipment, it is characterised in that include 24V
Power supply, 2 PNP type triode V101 and V104,4 NPN type triode V102, V103, V105 and V106,1 electric fuse
F101；Wherein, one end of electric fuse F101 is connected between the colelctor electrode of audion V101 and the colelctor electrode of audion V103, protects
The other end of danger silk F101 is positive terminal C+；The colelctor electrode of audion V104 is connected with the colelctor electrode of audion V106, as
Negative terminal C-.
On-off circuit the most according to claim 1, it is characterised in that the equal ground connection of emitter stage of audion V103 and V106；
The emitter stage of audion V101 connects the positive pole of 24V power supply.
3. a terminator, for coordinating the on-off circuit described in claim 1, it is characterised in that this terminator
LOAD1/RET1 terminal connects positive terminal C+, and the LOAD2 terminal of terminator connects negative terminal C-through diode V2；Resistance
R1 and diode V1 is connected in series between positive terminal C+ and negative terminal C-；Resistance R2 is connected to RET2 terminal and negative pole end
Between sub-C-.
4. a testing circuit, coordinates the terminator described in claim 3, for detecting the short circuit of fire fighting linkage equipment, breaking
Road and feedback states, it is characterised in that this testing circuit is connected in parallel on 24V positive source and audion 104 by resistance R107
Between emitter stage；This testing circuit includes comparator N101A, N101B, N101C, divider resistance R107-113, filter capacitor
C101, pull-up resistor R114-116；
Wherein: ground connection after resistance R107, R108, C101 series connection, ground connection after resistance R109, R110, R111 series connection, resistance R112,
Ground connection after R113 series connection；The emitter stage of connecting triode V104 between R107 and R108, connects ratio respectively between R108 and C101
The inverting input of relatively device N101A, N101B and the in-phase input end of N101C；Comparator N101A is connected between R112 and R113
In-phase input end, between R109 and R110 connect comparator N101B in-phase input end, between R110 and R111 connect compare
The inverting input of device N101C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589937.1U CN205672408U (en) | 2016-06-16 | 2016-06-16 | The start stop switch circuit of a kind of 2 line traffic controls and terminator, testing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589937.1U CN205672408U (en) | 2016-06-16 | 2016-06-16 | The start stop switch circuit of a kind of 2 line traffic controls and terminator, testing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205672408U true CN205672408U (en) | 2016-11-09 |
Family
ID=57433043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620589937.1U Active CN205672408U (en) | 2016-06-16 | 2016-06-16 | The start stop switch circuit of a kind of 2 line traffic controls and terminator, testing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205672408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963891A (en) * | 2016-06-16 | 2016-09-28 | 蚌埠依爱消防电子有限责任公司 | Start-stop switching circuit controlled by two wires, terminal load, detection circuit and detection method |
| CN110084990A (en) * | 2019-05-09 | 2019-08-02 | 蚌埠依爱消防电子有限责任公司 | A kind of 2 line fire display panel fire alarm information display methods |
-
2016
- 2016-06-16 CN CN201620589937.1U patent/CN205672408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963891A (en) * | 2016-06-16 | 2016-09-28 | 蚌埠依爱消防电子有限责任公司 | Start-stop switching circuit controlled by two wires, terminal load, detection circuit and detection method |
| CN110084990A (en) * | 2019-05-09 | 2019-08-02 | 蚌埠依爱消防电子有限责任公司 | A kind of 2 line fire display panel fire alarm information display methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203787935U (en) | Over-current protection circuit based on high side current detection | |
| CN107345979B (en) | Insulator leakage current on-line monitoring system | |
| CN204705694U (en) | Photovoltaic DC insulation monitoring and warning device | |
| CN107834977A (en) | A kind of photovoltaic module intelligent wiring box and its control method | |
| CN202331701U (en) | Universal relay module of automatic fire alarm system | |
| CN205672408U (en) | The start stop switch circuit of a kind of 2 line traffic controls and terminator, testing circuit | |
| CN112865015B (en) | Sensor with high-voltage zero-sequence protection and measurement functions | |
| CN204012829U (en) | A kind of protective circuit of electric vehicle charging controller | |
| CN208508514U (en) | A kind of short-circuit protection circuit of switching circuit | |
| CN203367969U (en) | Overcurrent protection circuit of data unit | |
| CN105963891A (en) | Start-stop switching circuit controlled by two wires, terminal load, detection circuit and detection method | |
| CN103872890B (en) | Switch power circuit with short circuit protective function | |
| CN210838933U (en) | Silicon chain open-circuit protection system for direct-current power supply of power system | |
| CN204230865U (en) | A kind of motor protecting device | |
| CN110492454A (en) | Silicon chain open-circuit-protection system in DC power system | |
| CN205160031U (en) | Device for detecting disconnection | |
| CN206281921U (en) | The positioner of failure in cabinet control loop | |
| CN105871045B (en) | A kind of charging circuit being used in solar control system | |
| CN112431725B (en) | Intelligent wind driven generator | |
| CN110579640B (en) | Current signal transmitting circuit for low-voltage power station area | |
| CN106298382A (en) | Chopper realizes arc fault warning and the changing method of arc fault power-off | |
| CN204815496U (en) | Manual reset fire control drive circuit | |
| CN206547081U (en) | Two-wire system electronic switch and fire-fighting illumination control circuit | |
| CN203942271U (en) | A kind of lightning protection remote signalling output module | |
| CN205484714U (en) | Circuit is listened to killer switch state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |