CN207301274U - A kind of door status switch loop detection circuit and door status switch system - Google Patents
A kind of door status switch loop detection circuit and door status switch system Download PDFInfo
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- CN207301274U CN207301274U CN201720913233.XU CN201720913233U CN207301274U CN 207301274 U CN207301274 U CN 207301274U CN 201720913233 U CN201720913233 U CN 201720913233U CN 207301274 U CN207301274 U CN 207301274U
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- photoelectric coupling
- door status
- loop
- fuse
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Abstract
The utility model provides a kind of door status switch loop detection circuit and door status switch system, the detection circuit includes detection unit, the detection unit includes fuse and the voltage sample module being sequentially connected in series, respectively with fuse and the first photoelectric coupling switch and the second photoelectric coupling switch of voltage sample wired in parallel, the voltage sample module be used for from be in the loop the second photoelectric coupling switch acquisition operating voltage, the photoelectric coupling switch is used for the status signal for exporting detection, detection unit is used for after being connected with power supply by conducting wire and long-range coil measure loop in series, loop current of the blowout current threshold value of the fuse no more than the conducting wire when short-circuit.The detection circuit of the utility model can detect the failure in door status switch circuit, and show malfunction in status display unit, which can detect door status switch loop fault in time, reduce manually investigation, operating efficiency is improved, and eliminates the security risk of fire exit door.
Description
Technical field
It the utility model is related to door status switch circuit detection technique field, more particularly to a kind of door status switch circuit detection electricity
Road and the door status switch system with the electric circuit inspection.
Background technology
Door, window in building are the main paths of fire spread in building, and fire resistant doorsets are to be applied to make in building
For fire wall and the fire protection separators of fire compartment, it has the function of certain shelves cigarette, back-fire relief, can be effectively by Control large fire
In predetermined scope.But effective supervision of the fire resistant doorsets in many buildings in China is not comprehensive, in emergency situations, control
Center can only control fire resistant doorsets to open or close, but not have examinations and control to the circuit of fire resistant doorsets, usually worker
Need contingent survey fire prevention gate transmission line whether there is failure, this undoubtedly substantially increases worker's to large-scale building
Workload, reduces the security of fire resistant doorsets, once fire occurs, can cause heavy losses to personnel safety and property.
The control circuit of fire resistant doorsets in long-term use, is climbed due to engineering construction, aging or mouse and stung, it is easy to broken
Road and/or open circuit fault, for these failures, it is necessary to detect in time, timely processing, eliminate the security risk of fire resistant doorsets, meanwhile,
Examinations can reduce the labor intensity of worker, improve operating efficiency, ensure normal use of the fire resistant doorsets in the state of emergency.
Utility model content
In view of the above-mentioned problems, the utility model aims to provide a kind of door status switch loop detection circuit, fire prevention gatekeeper is solved
The test problems of line fault are controlled, in time detection, timely processing, eliminate the security risk of fire resistant doorsets.
To realize the technical purpose, the embodiment of the utility model is：
A kind of door status switch loop detection circuit, including detection unit, the detection unit include the insurance being sequentially connected in series
Silk and voltage sample module, and respectively with fuse and the first photoelectric coupling switch and the second photoelectricity of voltage sample wired in parallel
Coupled switch, the voltage sample module be used for from be in the loop the second photoelectric coupling switch acquisition operating voltage, it is described
Photoelectric coupling switch be used for export detection status signal, the detection unit be used for be connected with power supply after by conducting wire with remotely
Coil measure loop in series, the circuit electricity of the blowout current threshold value of the fuse no more than the conducting wire when short-circuit
Stream.
Further, the circuit further includes the status display unit being connected with the output terminal of photoelectric coupling switch, is used for
State is shown according to the status signal of detection.
Further, the voltage sample module is the diode of two series connection.
Further, first photoelectric coupling switch is in parallel with fuse after connecting with first resistor R1, second light
Thermocouple combination switch connect with second resistance R2 after with diodes in parallel；The resistance R1 and resistance R2 are current-limiting resistance.
Further, the fuse is resettable fuse.
Further, the status display unit is indicator light.
Further, the status display unit is microcontroller display module.
Further, the status display unit is the long-range display module comprising wireless communication components.
A kind of door status switch system, including control module and door status switch, the control module include detection unit, power supply
And status display unit；The door status switch includes electromagnetic coil；The detection unit includes the fuse and electricity being sequentially connected in series
Sampling module is pressed, and the first photoelectric coupling switch and the second photoelectric coupling with fuse and voltage sample wired in parallel are opened respectively
Close, the voltage sample module be used for from be in the loop the second photoelectric coupling switch acquisition operating voltage, the photoelectricity coupling
Combination switch is used to export detection status signal, the circuit when blowout current threshold value of the fuse is no more than conducting wire short circuit
Electric current；The status display unit is connected with the output terminal of the photoelectric coupling switch of the detection unit, for according to detection
Cell signal shows state the detection unit is used to after being connected with power supply connect with the electromagnetic coil by conducting wire
Form door status switch system.
Further, the voltage sample module is the diode of two series connection.
Further, first photoelectric coupling switch is in parallel with fuse after connecting with first resistor R1, second light
Thermocouple combination switch connect with second resistance R2 after with diodes in parallel；Described R2 current-limiting resistances of resistance R1 and resistance.
Further, the fuse is resettable fuse.
Further, the status display unit is indicator light.
Further, the status display unit is microcontroller display module
Further, the status display unit is the long-range display module comprising wireless communication components.
" first " described in above-mentioned the utility model, " second " do not represent specific quantity and order, are only used for name
The differentiation of title.
The beneficial effects of the utility model are：A kind of door status switch loop detection circuit provided by the utility model, bag
Include detection unit, detection unit includes fuse and the voltage sample module being sequentially connected in series, and respectively with fuse and diode
The first photoelectric coupling switch and the second photoelectric coupling switch in parallel, the detection circuit is according to the fault state in door status switch circuit
(short circuit and open circuit), shows fault condition by status display unit, reduces the workload of worker, improve operating efficiency,
The security of fire resistant doorsets is more importantly improved, ensures that fire resistant doorsets are normally-open in an emergency situation and close, eliminates anti-
All security risks in the door status switch circuit of vent.
Brief description of the drawings
Fig. 1 is the structure diagram of the door status switch system of the utility model embodiment；
Fig. 2 is the door status switch loop detection circuit structure diagram of the utility model embodiment.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
In the description of the embodiment of the utility model, it is to be understood that term " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " hard straight ", " top ", " bottom ", " top ", " root " are based on shown in attached drawing
Orientation or position relationship, merely to make to describe in description the utility model and simplifying, rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The limitation of type.
In the description of the embodiment of the utility model, term " first ", " second " are only used for description purpose, and cannot manage
Solve to indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
One or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the utility model,
Unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to illustrate in the description of the embodiment of the utility model, unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection ", " assembling " should be interpreted broadly, for example, it may be being fixedly connected or detachably
Connection, or be integrally connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, it can understand above-mentioned term in the utility model with concrete condition
Concrete meaning.
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing 1-2 and specifically
Embodiment, is described in further detail the utility model.
A kind of door status switch loop detection circuit, including detection unit 4, the detection unit include the insurance being sequentially connected in series
Silk and voltage sample module 3, and respectively with fuse and the first photoelectric coupling switch ID1 of voltage sample wired in parallel and second
Photoelectric coupling switch ID2, the voltage sample module be used for from be in the loop the second photoelectric coupling switch ID2 acquisition work
Voltage.The photoelectric coupling switch is used for the status signal for exporting detection, and the detection unit is used to after being connected with power supply pass through
Conducting wire and long-range coil measure loop in series, the detection unit are used to detect 1 and/or second circuit 2 of first line
Line fault；Loop current of the blowout current threshold value of the fuse no more than the conducting wire when short-circuit, for making door sensor
In the state of short trouble occurs in switching circuitry, blown fuse, protects detection circuit.
As preference, the circuit further includes the status display unit 5 being connected with the output terminal of photoelectric coupling switch,
State is shown for the status signal according to detection.When door status switch circuit failure, the status display
Unit exports respectively according to the fault state of 1 and/or second circuit 2 of first line, convenient to fire resistant doorsets door status switch circuit
Monitoring, eliminates the security risk in fire resistant doorsets door status switch circuit.
As preference, the voltage uses diode of the module for two series connection, diode D1 and diode D2, normally
Under working status, the pressure drop at the diode both ends makes the signal output part of the second photoelectric coupling switch ID2 have signal output,
Under 1 and/or second circuit of first line, 2 off state, the signal output part of the second photoelectric coupling switch ID2 does not have the signal defeated
Go out, in the state of 1 and second circuit of first line, 2 short circuit, the signal output part of the second photoelectric coupling switch ID2 has the signal defeated
Go out, cause loop fault detection inaccurate, so the first photoelectric coupling switch ID1 is parallel with fuse, in first line 1
And/or under 2 off state of the second circuit, the signal output part of the first photoelectric coupling switch ID1 and the second photoelectric coupling switch ID2
All there is no signal output, under 1 and second circuit of first line, 2 short-circuit condition, fuse implements protection, and the first photoelectric coupling is opened
The signal output part for closing ID1 and the second photoelectric coupling switch ID2 has signal output, in the state of there is no failure in circuit, the
The signal output part of one photoelectric coupling switch ID1 does not have signal output, and the signal output part of the second photoelectric coupling switch ID2 has
Signal output, will realize the accurate detection to door status switch loop fault.
As preference, first photoelectric coupling switch is in parallel with fuse after connecting with first resistor R1, described
Two photoelectric coupling switch connect with second resistance R2 after with diodes in parallel；The second resistance R1 and second resistance R2 are current limliting
Resistance, to limit the size of place branch current, the first photoelectric coupling switch ID1 connected in series is burnt out to prevent electric current is excessive
With the second photoelectric coupling switch ID2.
As preference, for the maintenance for improving the safety guarantee of circuit He being reduced to circuit, the fuse is from extensive
Double insurance silk RF, when short circuit occurs in 1 and second circuit 2 of first line in door status switch circuit, resettable fuse is because of electric current
Excessive and form high-impedance state, after loop fault excludes, resettable fuse RF re-forms conductive path, and shape is rented the bottom of for
State, so as to complete the protection to circuit, without manually replacing, reduces workload, improves the security in circuit.
As preference, the state-detection component is indicator light, or the state-detection component is microcontroller display group
Part, or the state-detection component are the long-range display module comprising wireless communication components.Illustrate inspection by taking indicator light as an example below
The state output situation of slowdown monitoring circuit, as shown in Fig. 2, the first photoelectric coupling switch ID1 the first indicator lights of connection HL1, second
Photoelectric coupling switch ID2 the second indicator lights of connection HL2；When 1 and/or second circuit 2 of first line in door status switch circuit is normal
During work, the signal output part of the first photoelectric coupling switch ID1 does not have signal output, then the first indicator light HL1 is not
Shine, and the second photoelectric coupling switch ID2 makes the signal output of the second photoelectric coupling switch ID2 because of the pressure drop at diode both ends
There is signal output at end, then the second indicator light HL2 shines；When 1 and/or second circuit 2 of first line in door status switch circuit occurs
The signal output part of breaking phenomena, the first photoelectric coupling switch ID1 and the second photoelectric coupling switch ID2 are all defeated without signal
Go out, the first indicator light HL1 and the second indicator light HL2 do not shine；When 1 and second line of first line in door status switch circuit
There is short circuit in road 2, and the first photoelectric coupling switch ID1 is because resettable fuse RF implements to protect, first photoelectric coupling
The signal output part of switch ID1 has signal output, and the output terminal of the second photoelectric coupling switch ID2 also has signal output, then
The first indicator light HL1 and the second indicator light HL2 shines.So as to detect door status switch according to the luminous situation of indicator light HL
The malfunction in circuit.
A kind of door status switch system, including control module and door status switch, the control module include detection unit, power supply
And status display unit；The door status switch includes electromagnetic coil；The detection unit includes the fuse and electricity being sequentially connected in series
Press sampling module, and respectively with fuse and the first photoelectric coupling switch ID1 and the second photoelectricity coupling of voltage sample wired in parallel
Combination switch ID2, the voltage sample module be used for from be in the loop the second photoelectric coupling switch ID2 acquisition operating voltage,
The photoelectric coupling switch is used for the status signal for exporting detection, and the blowout current threshold value of the fuse is not more than the conducting wire
Loop current when short-circuit, when line short occurs in door status switch system, the fuse is used to protect the first photoelectric coupling
Switch ID1 prevents from burning out；The status display unit is connected with the output terminal of the photoelectric coupling switch of the detection unit, when
The door status switch circuit is broken down, and the status display unit is according to the failure shape of 1 and/or second circuit 2 of first line
Condition exports respectively, the convenient monitoring to door status switch system, eliminates the security risk of the door status switch loop fault of protective door.Institute
Detection unit is stated to be used for after being connected with power supply by conducting wire and electromagnetic coil door status switch system in series.
As preference, the voltage uses diode of the module for two series connection, diode D1 and diode D2, normally
Under working status, the pressure drop at the diode both ends makes the second photoelectric coupling switch ID2 be powered.In first line 1 and/or second
Under 2 off state of circuit, the second photoelectric coupling switch ID2 does not have signal output, in the short circuit of 1 and second circuit of first line 2 and
In the state of not having failure, the second photoelectric coupling switch ID2 has signal output, so that door status switch system cannot be detected accurately
Line fault, so the first photoelectric coupling switch ID1 is parallel with fuse, it is disconnected in 1 and/or second circuit 2 of first line
Under line state, the first photoelectric coupling switch ID1 and the second photoelectric coupling switch ID2 do not have signal output, in 1 He of first line
Under second circuit, 2 short-circuit condition, fuse implements protection, and the first photoelectric coupling switch ID1 and the second photoelectric coupling switch ID2 are
There is signal output, in the state of the circuit of door status switch system does not have failure, the first photoelectric coupling switch ID1 does not have the signal defeated
Go out, and the second photoelectric coupling switch ID2 has signal output, will realize the accurate inspection to the line fault of door status switch system
Survey.
As preference, for the maintenance for improving the safety guarantee of circuit He being reduced to circuit, the fuse is from extensive
Double insurance silk RF, when short circuit occurs in 1 and second circuit 2 of first line in door status switch circuit, resettable fuse is because of electric current
Excessive and form high-impedance state, after loop fault excludes, resettable fuse RF re-forms conductive path, and shape is rented the bottom of for
State, so as to complete the protection to circuit, without manually replacing, reduces workload, improves the security of door status switch system.
The operation principle of the utility model is described in detail above in association with attached drawing, but those skilled in the art should anticipate
To know, embodiment illustrates the utility model with being only for demonstration, and specification is only for interpreting the claims, this
The protection domain of utility model is not limited to specification.Any one skilled in the art is in the utility model batch
In the technical scope of dew, the change or replacement that can readily occur in, should be covered within the scope of the utility model.Cause
This, the scope of protection of the utility model should be subject to the protection domain of claims.
Claims (10)
1. a kind of door status switch loop detection circuit, it is characterised in that including detection unit, the detection unit includes going here and there successively
The fuse and voltage sample module of connection, and respectively with the first photoelectric coupling switch of fuse and voltage sample wired in parallel and
Second photoelectric coupling switch, the voltage sample module are used for electric from be in the loop that the second photoelectric coupling switch obtains work
Pressure, the photoelectric coupling switch are used for the status signal for exporting detection, and the detection unit is used for after being connected with power supply by leading
Line and long-range coil measure loop in series, when the blowout current threshold value of the fuse is no more than conducting wire short circuit
Loop current.
A kind of 2. door status switch loop detection circuit according to claim 1, it is characterised in that the circuit further include with
The status display unit that the output terminal of photoelectric coupling switch is connected, shows state for the status signal according to detection
Show.
A kind of 3. door status switch loop detection circuit according to claim 1, it is characterised in that the voltage sample module
For the diode of two series connection.
4. a kind of door status switch loop detection circuit according to any one of claim 1-3, it is characterised in that described
One photoelectric coupling switch is in parallel with fuse after connecting with first resistor R1, second photoelectric coupling switch and second resistance R2
After series connection with diodes in parallel；The resistance R1 and resistance R2 are current-limiting resistance.
5. a kind of door status switch loop detection circuit according to claim 1, it is characterised in that the fuse is from extensive
Double insurance silk.
A kind of 6. door status switch loop detection circuit according to claim 2, it is characterised in that the status display unit
For indicator light.
A kind of 7. door status switch loop detection circuit according to claim 2, it is characterised in that the status display unit
For microcontroller display module.
A kind of 8. door status switch loop detection circuit according to claim 2, it is characterised in that the status display unit
For the long-range display module comprising wireless communication components.
9. a kind of door status switch system, including control module and door status switch, it is characterised in that the control module includes detection
Unit, power supply and status display unit；The door status switch includes electromagnetic coil；The detection unit includes the guarantor being sequentially connected in series
Dangerous silk and voltage sample module, and respectively with fuse and the first photoelectric coupling switch and the second light of voltage sample wired in parallel
Thermocouple combination switch, the voltage sample module be used for from be in the loop the second photoelectric coupling switch acquisition operating voltage, institute
State photoelectric coupling switch be used for export detect status signal, when the blowout current threshold value of the fuse is no more than conducting wire short circuit
Loop current；The status display unit is connected with the output terminal of the photoelectric coupling switch of the detection unit, for basis
Detection unit signal shows state；The detection unit is used for after being connected with power supply by conducting wire and the electromagnetic coil
Door status switch system in series.
10. a kind of door status switch system according to claim 9, it is characterised in that the voltage sample module is two
The diode of series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913233.XU CN207301274U (en) | 2017-07-26 | 2017-07-26 | A kind of door status switch loop detection circuit and door status switch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913233.XU CN207301274U (en) | 2017-07-26 | 2017-07-26 | A kind of door status switch loop detection circuit and door status switch system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207301274U true CN207301274U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720913233.XU Active CN207301274U (en) | 2017-07-26 | 2017-07-26 | A kind of door status switch loop detection circuit and door status switch system |
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| CN (1) | CN207301274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884374A (en) * | 2019-01-30 | 2019-06-14 | 成都图灵创想科技有限责任公司 | A kind of straight-bar machines voltage detecting circuit |
-
2017
- 2017-07-26 CN CN201720913233.XU patent/CN207301274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884374A (en) * | 2019-01-30 | 2019-06-14 | 成都图灵创想科技有限责任公司 | A kind of straight-bar machines voltage detecting circuit |
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