CN208271416U - Teaching type experiment plate suitable for railway signal - Google Patents
Teaching type experiment plate suitable for railway signal Download PDFInfo
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- CN208271416U CN208271416U CN201721875087.2U CN201721875087U CN208271416U CN 208271416 U CN208271416 U CN 208271416U CN 201721875087 U CN201721875087 U CN 201721875087U CN 208271416 U CN208271416 U CN 208271416U
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Abstract
The utility model discloses a kind of teaching type experiment plates suitable for railway signal, including control panel and the device storage box for being mounted on control panel side, are provided with ON-OFF control circuit on control panel, failure-description display circuit is provided in device storage box；ON-OFF control circuit includes nine double-contacts, two grades of tumbler switches；First grade of sound contact in nine double-contacts, two grades of tumbler switches is respectively connected to the lamp circuit of semaphore green light, the lamp circuit of amber light, the lamp circuit of red light, the lamp circuit of white lamp, semaphore filament Acquisition Circuit, train signal Acquisition Circuit, shunting signal Acquisition Circuit, train signal driving circuit, train main signal driving circuit；The stationary contact of second gear sound contact in nine double-contacts, two grades of tumbler switches passes through common ground line and is grounded, and movable contact is respectively connected in failure-description display circuit, provides fault message.Experiment, teaching result can be effectively improved using the utility model.
Description
Technical field
The utility model relates to the teaching experimental equipments of a kind of track traffic signal and control technology field, especially a kind of
Teaching type experiment plate suitable for railway signal.
Background technique
With the fast development of China's track transportation industry, two features are presented in professional's demand side:
First is that quantity is big；Second is that the ability of practice requires height.Railway signal is one of signal of interest equipment of rail traffic, belongs to railway
Safety equipment.Therefore, the fault detection for the ability of practice especially railway signal of raising student and maintainability, Hen Duokai
If the School of High Profession Technology and region universities and colleges of undergraduate course of rail traffic class profession generally use and take student to Railway Site empathic learning
Teaching method.However, Railway Site has stringent safety standard, and the maintenance difficulty of railway signal is big, is pressed for time,
Student, which can only see, in many cases cannot start to practice.This greatly reduces the effect of practical teaching.To solve this problem, and
Guarantee the consistency of " religion " and " use ", many universities and colleges have purchased and the consistent true railway signal of Railway Site.However, true
Railway signal has stronger illustrative, but does not have experiment, real training function, and main cause is as follows:
(1) pilot process of railway signal work cannot be embodied with the consistent true railway signal machine equipment of Railway Site
And fail-safe principle, it is shown as railway signal degrades, the implementation procedure and each lamp position of the lamp circuit of upgrading display
Between internal logical relationship.
(2) it tests, need to carry out fault setting and emergency disposal training in real training, then it must be in railway signal and existing electricity
Road carries out fault setting.Not only influence wiring service life in this way, and be arranged that the time is long, difficulty is big, be also easy to exposure therefore
Barrier setting trace, to influence experiment, teaching result.
Chinese patent application 2015102456225 disclose a kind of track circuit-cab signal teaching experiment system and
Method, the teaching experiment system include experimental calculation machine, data collecting card, cab signal lamp control circuit, switch element, locomotive
Signal lamp；The experimental calculation machine is connect with data collecting card, the digital output end and cab signal of the data collecting card
Lamp control circuit, switch element, signal light for locomotive are sequentially connected, and simulate the actual operation of real middle orbit circuit-cab signal.
The utility model is based on virtual instrument and realizes track circuit-cab signal system, can reduce instruction cost to a certain extent.
However virtual emulation equipment breaks the ring consistency of " religion " and " use ", and be easy to cause the secondary cognition of student, seriously affects reality
It tests, teaching result.
Utility model content
The purpose of this utility model be for overcome with the consistent railway signal of Railway Site in terms of the teaching on disadvantage
With above-mentioned the deficiencies in the prior art, provide a kind of teaching type experiment plate suitable for railway signal, can guarantee " religion " with
The consistency of " use ", and failure can be more easily set and embody the pilot process and fail-safe of railway signal work
Principle shortens the fault setting time, reduces fault setting difficulty and avoid exposing fault setting trace to increase wiring service life
Mark, to effectively improve experiment, teaching result.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of teaching type experiment plate suitable for railway signal including control panel and is mounted on control panel side
Device storage box is provided with ON-OFF control circuit on control panel, failure-description display circuit is provided in device storage box；Institute
State the lighting that ON-OFF control circuit includes the lamp circuit of semaphore green light, the lamp circuit of semaphore amber light, semaphore red light
Lamp circuit, semaphore filament Acquisition Circuit, train signal Acquisition Circuit, the shunting signal acquisition electricity of the white lamp of circuit, semaphore
Two grades of road, train signal driving circuit, train main signal driving circuit and nine double-contacts tumbler switches；
First grade of sound contact in described nine double-contacts, two grades of tumbler switches is respectively connected to the point of semaphore green light
Circuit for lamp, the lamp circuit of semaphore amber light, the lamp circuit of semaphore red light, the white lamp of semaphore lamp circuit, semaphore
Filament Acquisition Circuit, train signal Acquisition Circuit, shunting signal Acquisition Circuit, train signal driving circuit, train main signal are driven
Dynamic circuit；
The stationary contact of second gear sound contact in described nine double-contacts, two grades of tumbler switches passes through common ground
Line ground connection, movable contact are respectively connected in failure-description display circuit, provide fault message.
First grade of sound contact of first double-contact, two grades of tumbler switches is respectively connected to the lighting electricity of semaphore green light
Road, position are arranged in interlocking electric combination sideboard；
First grade of sound contact of second double-contact, two grades of tumbler switches is respectively connected to the lighting electricity of semaphore amber light
Road, position are arranged in interlocking electric combination sideboard；
First grade of sound contact of two grades of tumbler switches of third double-contact is respectively connected to the lighting electricity of semaphore red light
Road, position are arranged in interlocking electric combination sideboard；
First grade of sound contact of two grades of tumbler switches of the 4th double-contact is respectively connected to the lighting electricity of the white lamp of semaphore
Road, position are arranged in interlocking electric combination sideboard.
First grade of sound contact of two grades of tumbler switches of the 5th double-contact is respectively connected to semaphore filament Acquisition Circuit,
Its position is between the combined bay where computer interface cabinet and signal lighting circuit.
First grade of sound contact of two grades of tumbler switches of the 6th double-contact is respectively connected to train signal Acquisition Circuit,
Position is between the combined bay where computer interface cabinet and signal lighting circuit.
First grade of sound contact of two grades of tumbler switches of the 7th double-contact is respectively connected to shunting signal Acquisition Circuit,
Position is between the combined bay where computer interface cabinet and signal lighting circuit.
First grade of sound contact of two grades of tumbler switches of the 8th double-contact is respectively connected to train signal driving circuit,
Position is between the combined bay where computer interface cabinet and signal lighting circuit.
First grade of sound contact of two grades of tumbler switches of the 9th double-contact is respectively connected to train main signal driving circuit,
Its position is between the combined bay where computer interface cabinet and signal lighting circuit.
First grade of movable contact of first double-contact, two grades of tumbler switches is connect with side terminals of a unit block C, side
Terminals of a unit block C is connect with the first intermediate contact of the lamp circuit of semaphore green light in interlocking electric combination sideboard；
First grade of stationary contact of first double-contact, two grades of tumbler switches is connect with side terminals of a unit block C, and second side
Face terminals of a unit block C is connect with the second intermediate contact of the lamp circuit of semaphore green light in interlocking electric combination sideboard.
First grade of movable contact of second double-contact, two grades of tumbler switches is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of the lamp circuit of semaphore amber light in interlocking electric combination sideboard；
First grade of stationary contact of second double-contact, two grades of tumbler switches is connect with side terminals of a unit block C, and lateral ends
Sub- C is connect with the second intermediate contact of the lamp circuit of semaphore amber light in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of third double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of the lamp circuit of semaphore red light in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of third double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of the lamp circuit of semaphore red light in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of the 4th double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of the lamp circuit of the white lamp of semaphore in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 4th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of the lamp circuit of the white lamp of semaphore in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of the 5th double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of semaphore filament Acquisition Circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 5th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of semaphore filament Acquisition Circuit in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of the 6th double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of train signal Acquisition Circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 6th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of train signal filament Acquisition Circuit in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of the 7th double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of train signal Acquisition Circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 7th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of train signal Acquisition Circuit in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of the 8th double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of train signal driving circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 8th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of train signal driving circuit in interlocking electric combination sideboard.
First grade of movable contact of two grades of tumbler switches of the 9th double-contact is connect with side terminals of a unit block C, and side
Face terminals of a unit block C is connect with the first intermediate contact of train main signal driving circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 9th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the second intermediate contact of train main signal driving circuit in interlocking electric combination sideboard.
The failure-description display circuit includes 1 DC-DC voltage dropping power supply module, 1 single-chip microcontroller, 1 display screen, 1
Common ground line, 9 pull-up resistors, 1 ship type switch, the input terminal IN- connection of the DC-DC voltage dropping power supply module is public to be connect
Ground wire, another input terminal IN+ concatenate the power supply line that track relay is connected after a ship type switch, output end respectively with nine on
Pull-up resistor, single-chip microcontroller, liquid crystal display connect.
Movable contact in the second gear sound contact of first double-contact, two grades of tumbler switches passes through first pull-up electricity
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with single-chip microcontroller first input end；
Movable contact in the second gear sound contact of second double-contact, two grades of tumbler switches passes through second pull-up electricity
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the second input terminal of single-chip microcontroller；
Movable contact in the second gear sound contact of two grades of tumbler switches of third double-contact passes through third pull-up electricity
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with single-chip microcontroller third input terminal；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 4th double-contact passes through the 4th
The output end of DC-DC voltage reduction module, and second gear movable contact and the 4th input terminal phase of single-chip microcontroller are connected to after pull-up resistor series connection
Even.
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 5th double-contact passes through the 5th
The output end of DC-DC voltage reduction module, and second gear movable contact and the 5th input terminal phase of single-chip microcontroller are connected to after pull-up resistor series connection
Even.
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 6th double-contact passes through the 6th
The output end of DC-DC voltage reduction module, and second gear movable contact and the 6th input terminal phase of single-chip microcontroller are connected to after pull-up resistor series connection
Even.
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 7th double-contact passes through the 7th
The output end of DC-DC voltage reduction module, and second gear movable contact and the 7th input terminal phase of single-chip microcontroller are connected to after pull-up resistor series connection
Even.
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 8th double-contact passes through the 8th
The output end of DC-DC voltage reduction module, and second gear movable contact and the 8th input terminal phase of single-chip microcontroller are connected to after pull-up resistor series connection
Even.
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 9th double-contact passes through the 9th
The output end of DC-DC voltage reduction module, and second gear movable contact and the 9th input terminal phase of single-chip microcontroller are connected to after pull-up resistor series connection
Even.
9 input terminals of the single-chip microcontroller are respectively corresponded to be connected with 9 double-contacts, two grades of tumbler switches, output end and liquid
Crystal display screen is connected.
The control panel is fixed on the second layer front of the interlocking electric combination sideboard where semaphore circuit.
The display screen is mounted on device storage box front, and the device storage box is fixed on interlocking electric combination sideboard the
Two layers of front.
Side terminals of a unit block C is mounted on the side at the interlocking electric combination sideboard second layer back side.
The simulation combined fault of the utility model, 81 kinds of combinations altogether, including a kind of normal condition combination and 80 kinds of events
Barrier combination.It is the normal condition in combination when nine double-contacts, two grades of tumbler switches are in the normal state.Disconnect any double-contact two
Wherein one or more of shelves tumbler switch, liquid crystal display can show route information, signal lamp state and semaphore phase
Close relay status.
81 kinds of combinations are respectively the lamp circuit open circuit event of the lamp circuit open-circuit fault of semaphore green light, semaphore amber light
Barrier, the lamp circuit open-circuit fault of semaphore red light, the lamp circuit open-circuit fault of the white lamp of semaphore, semaphore filament acquisition electricity
Road open-circuit fault, train signal Acquisition Circuit open-circuit fault, shunting signal Acquisition Circuit open-circuit fault, train signal driving circuit
Open-circuit fault, train main signal driving circuit open-circuit fault etc., totally 80 kinds of failure combinations and a kind of normality combination.
The utility model can interlock point to circuit most typical in semaphore circuit arrangement and carry out fault simulation, respectively believe
Lamp circuit, the signal of the lamp circuit of semaphore green light, the lamp circuit of semaphore amber light, semaphore red light in number electromechanical road
Lamp circuit, semaphore filament Acquisition Circuit, train signal Acquisition Circuit, shunting signal Acquisition Circuit, the train letter of the white lamp of machine
Number driving circuit, train main signal driving circuit.The utility model integrates interlock circuit complicated in semaphore circuit arrangement
In the experiment plate controlled by two grades of tumbler switches of double-contact, failure can be more easily set, embodiment semaphore circuit is set
The standby intermediate course of work and interlock connection, to effectively improve the effect of experiment, real training and examination.
The utility model has the following characteristics:
(1) failure is arranged by two grades of tumbler switches of double-contact in the utility model, avoids modification semaphore circuit and sets
The operation of standby wiring improves service life of equipment to reduce fault setting difficulty；
(2) the utility model is red in the lamp circuit of semaphore green light, the lamp circuit of semaphore amber light, semaphore respectively
The lamp circuit of the white lamp of lamp circuit, semaphore of lamp, semaphore filament Acquisition Circuit, train signal Acquisition Circuit, letter of shunting
Number Acquisition Circuit, train signal driving circuit, train main signal driving circuit key position be provided with two grades of double-contact and stir
Formula switch can just reflect the work of semaphore circuit arrangement and embody the interlock connection of railway signal；The utility model choosing
Contact in the number of winning the confidence electromechanics road in Key Circuit is transformed, by side terminals of a unit block by the contact of transformation respectively with double touchings
Open circuit, fault controls are realized in the connection of two grades of tumbler switch both ends of point, by stir two grades of tumbler switches of double-contact closure,
Disconnect the manipulation for completing experiment plate.
(3) the utility model shows the description of every kind of failure using liquid crystal display, can carry out the real training of single single group
Or examination；The utility model failure-description display circuit displayable signal lamp shows state, semaphore correlation relay status.
(4) the utility model combine with the consistent computer interlock control system of Railway Site, realize to true railway
The control of signal machine equipment avoids the secondary cognition of student, ensure that the consistency of " religion " Yu " use ".
Detailed description of the invention
Fig. 1 is the utility model circuit system figure；
Fig. 2 is failure-description display circuit figure；
Fig. 3 is semaphore circuit failure simulation lab diagram.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the utility model enforceable qualifications, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are practical new not influencing this
Under the effect of type can be generated and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain and can contain
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1-Figure 3, suitable for the teaching type experiment plate of railway signal, including control panel and it is mounted on control
The device storage box of panel side is provided with ON-OFF control circuit on control panel, is provided with failure-description in device storage box
Display circuit；The ON-OFF control circuit includes the lamp circuit of semaphore green light, the lamp circuit of semaphore amber light, semaphore
The lamp circuit of the white lamp of lamp circuit, semaphore of red light, train signal Acquisition Circuit, is shunt at semaphore filament Acquisition Circuit
Two grades of signal acquisition circuit, train signal driving circuit, train main signal driving circuit and nine double-contacts tumbler switches；
First grade of sound contact in nine double-contacts, two grades of tumbler switches is respectively connected to the lighting electricity of semaphore green light
Road, the lamp circuit of semaphore amber light, the lamp circuit of semaphore red light, the lamp circuit of the white lamp of semaphore, semaphore filament
Acquisition Circuit, train signal Acquisition Circuit, shunting signal Acquisition Circuit, train signal driving circuit, train main signal driving electricity
Road；
The stationary contact of second gear sound contact in nine double-contacts, two grades of tumbler switches passes through common ground line and connects
Ground, movable contact are respectively connected in failure-description display circuit, provide fault message.
As shown in Figure 1, semaphore Experiment of Electrical Circuits disk includes control panel, control panel is integrated with operating circuit, manipulation electricity
Road includes side terminals of a unit block C, two grades of tumbler switch K1 of the first double-contact, two grades of tumbler switch K2 of the second double-contact,
Three two grades of double-contact tumbler switch K3, two grades of two grades of tumbler switch K4 of the 4th double-contact, the 5th double-contact tumbler switches
K5, two grades of tumbler switch K6 of the 6th double-contact, two grades of two grades of tumbler switch K7 of the 7th double-contact, the 8th double-contact dial types
Switch K8, two grades of tumbler switch K9 of the 9th double-contact, switch detection module, display module and power module.
First grade of movable contact K11 of first two grades of tumbler switch K1 of double-contact is connect with side terminals of a unit block C-1, and side
Face terminals of a unit block C-1 is connect with the intermediate contact 1 of the lamp circuit of semaphore green light in interlocking electric combination sideboard, the first double-contact
First grade of stationary contact K12 of two grades of tumbler switch K1 is connect with side terminals of a unit block C-2, and side terminals of a unit block C-2 and electricity
The intermediate contact 2 of the lamp circuit of semaphore green light connects in gas central combination cabinet.
First two grades of double-contact tumbler switch second gear movable contact K13 is connect with switch detection module first input end
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after first pull-up resistor is connected, and second
Shelves movable contact be connected with single-chip microcontroller first input end P1.0), the first two grades of double-contact tumbler switch second gear stationary contact K14 and
The first output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K21 of second two grades of tumbler switch K2 of double-contact is connect with side terminals of a unit block C-3, and side
Face terminals of a unit block C-3 is connect with the intermediate contact 3 of the lamp circuit of semaphore amber light in interlocking electric combination sideboard, the second double-contact
First grade of stationary contact K22 of two grades of tumbler switch K2 is connect with side terminals of a unit block C-4, and side terminals of a unit block C-4 and electricity
The intermediate contact 4 of the lamp circuit of semaphore amber light connects in gas central combination cabinet.
Second two grades of double-contact tumbler switch second gear movable contact K23 is connect with switch the second input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after second pull-up resistor is connected, and second
Shelves movable contact be connected with the second input terminal of single-chip microcontroller P1.1), the second two grades of double-contact tumbler switch second gear stationary contact K24 and
The second output terminal for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K31 of two grades of tumbler switch K3 of third double-contact is connect with side terminals of a unit block C-5, and side
The intermediate contact 5 of face terminals of a unit block C-5 and the lamp circuit of semaphore red light in interlocking electric combination sideboard, two grades of third double-contact
First grade of stationary contact K32 of tumbler switch K3 is connect with side terminals of a unit block C-6, and side terminals of a unit block C-6 and electrical collection
The intermediate contact 6 of the lamp circuit of semaphore red light connects in middle combination sideboard.
Two grades of tumbler switch second gear movable contact K33 of third double-contact are connect with switch detection module third input terminal
(second gear movable contact is connected to the output end OUT+ of DC-DC voltage reduction module, and second gear after connecting by third pull-up resistor
Movable contact is connected with single-chip microcontroller third input terminal P1.2), two grades of tumbler switch second gear stationary contact K34 of third double-contact with open
The third output end for closing detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K41 of 4th two grades of tumbler switch K4 of double-contact is connect with side terminals of a unit block C-7, and side
Face terminals of a unit block C-7 is connect with the intermediate contact 7 of the lamp circuit of the white lamp of semaphore in interlocking electric combination sideboard.4th double-contact
First grade of stationary contact K42 of two grades of tumbler switch K4 is connect with side terminals of a unit block C-8, and side terminals of a unit block C-8 and electricity
The intermediate contact 8 of the lamp circuit of the white lamp of semaphore connects in gas central combination cabinet.
4th two grades of double-contact tumbler switch second gear movable contact K43 is connect with switch the 4th input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after the 4th pull-up resistor is connected, and second
Shelves movable contact be connected with the 4th input terminal P1.3 of single-chip microcontroller), the 4th two grades of double-contact tumbler switch second gear stationary contact K44 and
The 4th output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K51 of 5th two grades of tumbler switch K5 of double-contact is connect with side terminals of a unit block C-9, and side
Face terminals of a unit block C-9 is connect with the intermediate contact 9 of semaphore filament Acquisition Circuit in interlocking electric combination sideboard.5th double-contact two
First grade of stationary contact K52 of shelves tumbler switch K5 is connect with side terminals of a unit block C-10, and side terminals of a unit block C-10 and electricity
The intermediate contact 10 of semaphore filament Acquisition Circuit connects in gas central combination cabinet.
5th two grades of double-contact tumbler switch second gear movable contact K53 is connect with switch the 5th input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after the 5th pull-up resistor is connected, and second
Shelves movable contact be connected with the 5th input terminal P1.4 of single-chip microcontroller), the 5th two grades of double-contact tumbler switch second gear stationary contact K54 and
The 5th output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K61 of 6th two grades of tumbler switch K6 of double-contact is connect with side terminals of a unit block C-11, and
Side terminals of a unit block C-11 is connect with the intermediate contact 11 of train signal Acquisition Circuit in interlocking electric combination sideboard.6th double-contact
First grade of stationary contact K62 of two grades of tumbler switch K6 is connect with side terminals of a unit block C-12, and side terminals of a unit block C-12 with
The intermediate contact 12 of train signal Acquisition Circuit connects in interlocking electric combination sideboard.
6th two grades of double-contact tumbler switch second gear movable contact K63 is connect with switch the 6th input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after the 6th pull-up resistor is connected, and second
Shelves movable contact be connected with the 6th input terminal P1.5 of single-chip microcontroller), the 6th two grades of double-contact tumbler switch second gear stationary contact K64 and
The 6th output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K71 of 7th two grades of tumbler switch K7 of double-contact is connect with side terminals of a unit block C-13, and
Side terminals of a unit block C-13 is connect with the intermediate contact 13 of shunting signal Acquisition Circuit in interlocking electric combination sideboard.7th double-contact
First grade of stationary contact K72 of two grades of tumbler switch K7 is connect with side terminals of a unit block C-14, and side terminals of a unit block C-14 with
The intermediate contact 14 of shunting signal Acquisition Circuit connects in interlocking electric combination sideboard.
7th two grades of double-contact tumbler switch second gear movable contact K73 is connect with switch the 7th input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after the 7th pull-up resistor is connected, and second
Shelves movable contact be connected with the 7th input terminal P1.6 of single-chip microcontroller), the 7th two grades of double-contact tumbler switch second gear stationary contact K74 and
The 7th output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K81 of 8th two grades of tumbler switch K8 of double-contact is connect with side terminals of a unit block C-15, and
Side terminals of a unit block C-15 is connect with the intermediate contact 15 of train signal driving circuit in interlocking electric combination sideboard.6th double-contact
First grade of stationary contact K82 of two grades of tumbler switch K8 is connect with side terminals of a unit block C-16, and side terminals of a unit block C-16 with
The intermediate contact 16 of train signal driving circuit connects in interlocking electric combination sideboard.
8th two grades of double-contact tumbler switch second gear movable contact K83 is connect with switch the 8th input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after the 8th pull-up resistor is connected, and second
Shelves movable contact be connected with the 8th input terminal P1.7 of single-chip microcontroller), the 8th two grades of double-contact tumbler switch second gear stationary contact K84 and
The 8th output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
First grade of movable contact K91 of 9th two grades of tumbler switch K9 of double-contact is connect with side terminals of a unit block C-17, and
Side terminals of a unit block C-17 is connect with the intermediate contact 17 of train main signal driving circuit in interlocking electric combination sideboard.6th pair of touching
The first grade of stationary contact K92 and side terminals of a unit block C-18 of two grades of tumbler switch K9 of point is connect, and side terminals of a unit block C-18
It is connect with the intermediate contact 18 of train main signal driving circuit in interlocking electric combination sideboard.
9th two grades of double-contact tumbler switch second gear movable contact K93 is connect with switch the 9th input terminal of detection module
(i.e. second gear movable contact passes through the output end OUT+ that DC-DC voltage reduction module is connected to after the 9th pull-up resistor is connected, and second
Shelves movable contact be connected with the 9th input terminal P3.0 of single-chip microcontroller), the 9th two grades of double-contact tumbler switch second gear stationary contact K94 and
The 9th output end for switching detection module connects (i.e. common ground line), and switch detection module is connect with display module.
The contact that the utility model chooses in semaphore circuit in Key Circuit is transformed, will by side terminals of a unit block
The contact of transformation connect realization open circuit, fault control with two grades of tumbler switch both ends of double-contact respectively, by stirring double-contact
The closure of two grades of tumbler switches disconnects the manipulation for completing experiment plate.
As shown in Figure 2.A kind of failure-description display circuit includes switch detection module, display module and power module.
Switch detection module, decompression (24V turns 5V) module including 1 DC-DC, 1 common ground line, 4 10K Ω
Pull-up resistor, 1 ship type switch, a device storage box and 1 single-chip microcontroller, the first two grades of double-contact tumbler switch K1's
Second gear movable contact K13 is connect with the P1.0 pin of single-chip microcontroller in switch detection module, the second two grades of double-contact tumbler switch
The second gear movable contact K23 of K2 is connect with the P1.1 pin of single-chip microcontroller in switch detection module, two grades of dial types of third double-contact
The second gear movable contact K33 of switch K3 is connect with the P1.2 pin of single-chip microcontroller in switch detection module, and the 4th two grades of double-contact is dialled
The second gear movable contact K43 of moving type switch K4 is connect with the P1.3 pin of single-chip microcontroller in switch detection module, the 5th double-contact two
The second gear movable contact K53 of shelves tumbler switch K5 is connect with the P1.4 pin of single-chip microcontroller in switch detection module, the 6th pair of touching
The second gear movable contact K63 of two grades of tumbler switch K6 of point is connect with the P1.5 pin of single-chip microcontroller in switch detection module, and the 7th
The second gear movable contact K73 of two grades of tumbler switch K7 of double-contact is connect with the P1.6 pin of single-chip microcontroller in switch detection module,
The P1.7 pin of single-chip microcontroller connects in the second gear movable contact K83 and switch detection module of 8th two grades of double-contact tumbler switch K8
It connects, the second gear movable contact K93 and the P3.0 of single-chip microcontroller in switch detection module of the 9th two grades of double-contact tumbler switch K9 draws
Foot connection.
The first, second, third, fourth, the five, the six, the seven, the eight, the 9th two grades of tumbler switches second of double-contact
Shelves stationary contact K14, K24, K34, K44, K54, K64, K74, K84, K94 and the GND pin for switching single-chip microcontroller in detection module connect
It connects.Pull-up resistor one end in Simultaneous Switching detection module is connected to the output end OUT+ of DC-DC voltage reduction module, the other end point
It Lian Jie not first, second, third, fourth, the five, the six, the seven, the eight, the 9th two grades of tumbler switch second gears of double-contact
Movable contact K13, K23, K33, K43, K53, K63, K73, K83, K93.
12864 liquid crystal display of display circuit module i.e. 1 piece, switch detection module in single-chip microcontroller P2.6, P2.5,
P2.7, P3.2, P3.4 pin are consecutively connected to RS, R/W, E, PSB, RST pin of liquid crystal display, the VDD of liquid crystal display
Mould is depressured with VSS the and K pin access DC-DC of the output end OUT+5V of A pin access DC-DC voltage reduction module, liquid crystal display
The output end OUT- of block.
The description of the utility model failure-description display circuit displayable signal electromechanics road typical fault, traffic light system shape
State, semaphore correlation relay status.
Power module is switched by 1 ship type, 24V DC power supply panel and DC-DC voltage reduction module form, it is characterised in that DC-
The movable contact ON at the end stationary contact OFF of DC voltage reduction module input terminal IN+ connection ship type switch, ship type switch is terminated into electrical group
The positive 24V terminal of cabinet zero layer is closed, input terminal IN- accesses the negative 24V terminal of interlocking electric combination sideboard zero layer, and output end OUT+ is sequentially ingressed into
One end of pull-up resistor switchs single-chip microcomputer input VCC pin and display module liquid crystal display VDD pin in detection module,
Single-chip microcontroller GND pin and display module liquid crystal display VSS pin in output end OUT- access switch detection module.This module can
Single-chip microcontroller in switch detection module ,+5V operating voltage needed for the liquid crystal display in display module are provided.
Above-described failure-description display circuit is all mounted in a device storage box, and by liquid crystal in display module
Display screen is mounted on box side, first, second, third, fourth, the five, the six, the seven, the eight, the 9th two grades of double-contact dial
Moving type switch K1, K2, K3, K4, K5, K6, K7, K8, K9 are fixed on same control panel, and control panel is fixed on Signal lighting
The second layer of interlocking electric combination sideboard where circuit.
The utility model includes control panel, device storage box, side terminals of a unit block C.Four pairs are installed in control panel
Two grades of contact tumbler switch K1, K2, K3, K4, K5, K6, K7, K8, K9, and it is fixed on the second layer of interlocking electric combination sideboard just
Face.Device storage box is mounted on control panel side, and decompression (24V turns 5V) module containing 1 DC-DC, 1 ship type are opened
It closes, 9 10K Ω pull-up resistors, 1 STC89C51 single-chip minimum system, 1 piece of 12864 liquid crystal display and other attached electricity
Road, and it is fixed on interlocking electric combination sideboard second layer front.Side terminals of a unit block C is mounted on the second layer of interlocking electric combination sideboard
The side at the back side.
As shown in figure 3, the utility model proposes concrete signal electromechanics road fault simulation experiment method it is as follows:
1) first double-contact, two grades of tumbler switch normalities are in closed state, by first double-contact, two grades of dial types
After switch disconnects, console clearing signal, signal lighting circuit microcomputer interface cabinet semaphore lamp into interlocking electric combination sideboard
There is open-circuit fault in silk Acquisition Circuit, and liquid crystal display displaing lamp shows state, semaphore correlation relay status；This mould
The open-circuit fault of the quasi- lamp circuit for completing semaphore green light；
2) second double-contact, two grades of tumbler switch normalities are in closed state, by second double-contact, two grades of dial types
It switchs after disconnecting, console clearing signal, the lamp circuit of semaphore amber light in signal lighting circuit interlocking electric combination sideboard
There is open-circuit fault, liquid crystal display displaing lamp shows state, semaphore correlation relay status；Signal is completed in this simulation
The open-circuit fault of the lamp circuit of machine amber light；
3) two grades of tumbler switch normalities of third double-contact are in closed state, by two grades of dial types of third double-contact
After closing the switch, console clearing signal, the lamp circuit of semaphore red light in signal lighting circuit interlocking electric combination sideboard
There is open-circuit fault, liquid crystal display displaing lamp shows state, semaphore correlation relay status；Signal is completed in this simulation
The open-circuit fault of the lamp circuit of machine red light；
4) two grades of tumbler switch normalities of the 4th double-contact are in closed state, by two grades of dial types of the 4th double-contact
It switchs after disconnecting, console clearing signal, the lamp circuit of the white lamp of semaphore in signal lighting circuit interlocking electric combination sideboard
There is open-circuit fault, liquid crystal display displaing lamp shows state, semaphore correlation relay status；Signal is completed in this simulation
The open-circuit fault of the lamp circuit of the white lamp of machine.
5) two grades of tumbler switch normalities of the 5th double-contact are in closed state, by two grades of dial types of the 5th double-contact
After switch disconnects, console clearing signal, signal lighting circuit microcomputer interface cabinet semaphore lamp into interlocking electric combination sideboard
There is open-circuit fault in silk Acquisition Circuit, and liquid crystal display displaing lamp shows state, semaphore correlation relay status；This mould
The quasi- open-circuit fault for completing semaphore filament Acquisition Circuit.
6) two grades of tumbler switch normalities of the 6th double-contact are in closed state, by two grades of dial types of the 6th double-contact
After switch disconnects, console clearing signal, signal lighting circuit microcomputer interface cabinet train signal into interlocking electric combination sideboard
There is open-circuit fault in Acquisition Circuit, and liquid crystal display displaing lamp shows state, semaphore correlation relay status；This simulation
Complete the open-circuit fault of train signal Acquisition Circuit.
7) two grades of tumbler switch normalities of the 7th double-contact are in closed state, by two grades of dial types of the 6th double-contact
After switch disconnects, console clearing signal, signal lighting circuit microcomputer interface cabinet shunting signal into interlocking electric combination sideboard
There is open-circuit fault in Acquisition Circuit, and liquid crystal display displaing lamp shows state, semaphore correlation relay status；This simulation
Complete the open-circuit fault of shunting signal Acquisition Circuit.
8) two grades of tumbler switch normalities of the 8th double-contact are in closed state, by two grades of dial types of the 6th double-contact
After switch disconnects, console clearing signal, signal lighting circuit microcomputer interface cabinet train signal into interlocking electric combination sideboard
There is open-circuit fault in driving circuit, and liquid crystal display displaing lamp shows state, semaphore correlation relay status；This simulation
Complete the open-circuit fault of train signal driving circuit.
9) two grades of tumbler switch normalities of the 9th double-contact are in closed state, by two grades of dial types of the 6th double-contact
After switch disconnects, console clearing signal, signal lighting circuit microcomputer interface cabinet main letter of train into interlocking electric combination sideboard
There is open-circuit fault in number driving circuit, and liquid crystal display displaing lamp shows state, semaphore correlation relay status；This mould
The quasi- open-circuit fault for completing train main signal driving circuit.
10) this semaphore Experiment of Electrical Circuits disk can also simulate combined fault, altogether 81 kinds of combinations, normal including a kind
Combinations of states and 80 kinds of failure combinations.It is the normal condition in combination when nine double-contacts, two grades of tumbler switches are in the normal state.
Wherein one or more of two grades of tumbler switches of any double-contact are disconnected, liquid crystal display can show traffic light system shape
State, semaphore correlation relay status.
Above-described 81 kinds of combinations are respectively the lighting of the lamp circuit open-circuit fault, semaphore amber light of semaphore green light
Open circuit failure, the lamp circuit open-circuit fault of semaphore red light, the lamp circuit open-circuit fault of the white lamp of semaphore, semaphore
Filament Acquisition Circuit open-circuit fault, train signal Acquisition Circuit open-circuit fault, shunting signal Acquisition Circuit open-circuit fault, train letter
Number driving circuit open-circuit fault, train main signal driving circuit open-circuit fault etc., totally 80 kinds of failures combinations and a kind of combination of normality.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of teaching type experiment plate suitable for railway signal, it is characterised in that: including control panel and be mounted on control
The device storage box of panel side is provided with ON-OFF control circuit on control panel, is provided with failure-description in device storage box
Display circuit；The ON-OFF control circuit includes the lamp circuit of semaphore green light, the lamp circuit of semaphore amber light, semaphore
The lamp circuit of the white lamp of lamp circuit, semaphore of red light, train signal Acquisition Circuit, is shunt at semaphore filament Acquisition Circuit
Two grades of signal acquisition circuit, train signal driving circuit, train main signal driving circuit and nine double-contacts tumbler switches；
First grade of sound contact in described nine double-contacts, two grades of tumbler switches is respectively connected to the lighting electricity of semaphore green light
Road, the lamp circuit of semaphore amber light, the lamp circuit of semaphore red light, the lamp circuit of the white lamp of semaphore, semaphore filament
Acquisition Circuit, train signal Acquisition Circuit, shunting signal Acquisition Circuit, train signal driving circuit, train main signal driving electricity
Road；
The stationary contact of second gear sound contact in described nine double-contacts, two grades of tumbler switches passes through common ground line and connects
Ground, movable contact are respectively connected in failure-description display circuit, provide fault message.
2. being suitable for the teaching type experiment plate of railway signal as described in claim 1, which is characterized in that first double-contact
First grade of sound contact of two grades of tumbler switches is respectively connected to the lamp circuit of semaphore green light, and position setting is electrically collecting
In middle combination sideboard；
First grade of sound contact of second double-contact, two grades of tumbler switches is respectively connected to the lamp circuit of semaphore amber light,
Position is arranged in interlocking electric combination sideboard；
First grade of sound contact of two grades of tumbler switches of third double-contact is respectively connected to the lamp circuit of semaphore red light,
Position is arranged in interlocking electric combination sideboard；
First grade of sound contact of two grades of tumbler switches of the 4th double-contact is respectively connected to the lamp circuit of the white lamp of semaphore,
Position is arranged in interlocking electric combination sideboard；
First grade of sound contact of two grades of tumbler switches of the 5th double-contact is respectively connected to semaphore filament Acquisition Circuit, position
It sets between the combined bay where computer interface cabinet and signal lighting circuit；
First grade of sound contact of two grades of tumbler switches of the 6th double-contact is respectively connected to train signal Acquisition Circuit, position
Between the combined bay where computer interface cabinet and signal lighting circuit；
First grade of sound contact of two grades of tumbler switches of the 7th double-contact is respectively connected to shunting signal Acquisition Circuit, position
Between the combined bay where computer interface cabinet and signal lighting circuit；
First grade of sound contact of two grades of tumbler switches of the 8th double-contact is respectively connected to train signal driving circuit, position
Between the combined bay where computer interface cabinet and signal lighting circuit；
First grade of sound contact of two grades of tumbler switches of the 9th double-contact is respectively connected to train main signal driving circuit, position
It sets between the combined bay where computer interface cabinet and signal lighting circuit.
3. being suitable for the teaching type experiment plate of railway signal as claimed in claim 2, which is characterized in that described first double
First grade of movable contact of the two grades of tumbler switches in contact is connect with side terminals of a unit block C, side terminals of a unit block C and interlocking electric group
Close the first intermediate contact connection of the lamp circuit of semaphore green light in cabinet；
First grade of stationary contact of first double-contact, two grades of tumbler switches is connect with side terminals of a unit block C, and second side group
Terminal C is closed to connect with the second intermediate contact of the lamp circuit of semaphore green light in interlocking electric combination sideboard.
4. being suitable for the teaching type experiment plate of railway signal as claimed in claim 2, which is characterized in that described second double
First grade of movable contact of the two grades of tumbler switches in contact is connect with side terminals of a unit block C, and side terminals of a unit block C and interlocking electric
The first intermediate contact connection of the lamp circuit of semaphore amber light in combination sideboard；
First grade of stationary contact of second double-contact, two grades of tumbler switches is connect with side terminals of a unit block C, and side terminal C with
The second intermediate contact connection of the lamp circuit of semaphore amber light in interlocking electric combination sideboard.
5. being suitable for the teaching type experiment plate of railway signal as claimed in claim 2, which is characterized in that the third is double
First grade of movable contact of the two grades of tumbler switches in contact is connect with side terminals of a unit block C, and side terminals of a unit block C and interlocking electric
The first intermediate contact connection of the lamp circuit of semaphore red light in combination sideboard；
First grade of stationary contact of two grades of tumbler switches of third double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of the lamp circuit of semaphore red light in interlocking electric combination sideboard.
6. being suitable for the teaching type experiment plate of railway signal as claimed in claim 2, which is characterized in that described 4th double
First grade of movable contact of the two grades of tumbler switches in contact is connect with side terminals of a unit block C, and side terminals of a unit block C and interlocking electric
The first intermediate contact connection of the lamp circuit of the white lamp of semaphore in combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 4th double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of the lamp circuit of the white lamp of semaphore in interlocking electric combination sideboard；
First grade of movable contact of two grades of tumbler switches of the 5th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the first intermediate contact of semaphore filament Acquisition Circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 5th double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of semaphore filament Acquisition Circuit in interlocking electric combination sideboard；
First grade of movable contact of two grades of tumbler switches of the 6th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the first intermediate contact of train signal Acquisition Circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 6th double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of train signal filament Acquisition Circuit in interlocking electric combination sideboard；
First grade of movable contact of two grades of tumbler switches of the 7th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the first intermediate contact of train signal Acquisition Circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 7th double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of train signal Acquisition Circuit in interlocking electric combination sideboard；
First grade of movable contact of two grades of tumbler switches of the 8th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the first intermediate contact of train signal driving circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 8th double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of train signal driving circuit in interlocking electric combination sideboard；
First grade of movable contact of two grades of tumbler switches of the 9th double-contact is connect with side terminals of a unit block C, and side group
Terminal C is closed to connect with the first intermediate contact of train main signal driving circuit in interlocking electric combination sideboard；
First grade of stationary contact of two grades of tumbler switches of the 9th double-contact is connect with side terminals of a unit block C, and end is combined in side
Sub- C is connect with the second intermediate contact of train main signal driving circuit in interlocking electric combination sideboard.
7. being suitable for the teaching type experiment plate of railway signal as described in claim 1, which is characterized in that the failure-description
Display circuit includes 1 DC-DC voltage dropping power supply module, 1 single-chip microcontroller, 1 display screen, 1 common ground line, 9 pull-up electricity
Resistance, 1 ship type switch, the input terminal IN- connection common ground line of the DC-DC voltage dropping power supply module, another input terminal IN+ string
Connect the power supply line that track relay is connected after ship type switch, output end respectively with nine pull-up resistors, single-chip microcontroller, liquid crystals
Display screen connects.
8. being suitable for the teaching type experiment plate of railway signal as claimed in claim 7, which is characterized in that first double-contact
Movable contact in the second gear sound contact of two grades of tumbler switches is by being connected to DC-DC drop after first pull-up resistor series connection
The output end of die block, and second gear movable contact is connected with single-chip microcontroller first input end；
Movable contact in the second gear sound contact of second double-contact, two grades of tumbler switches passes through second pull-up resistor string
The output end of DC-DC voltage reduction module is connected to after connection, and second gear movable contact is connected with the second input terminal of single-chip microcontroller；
Movable contact in the second gear sound contact of two grades of tumbler switches of third double-contact passes through third pull-up resistor string
The output end of DC-DC voltage reduction module is connected to after connection, and second gear movable contact is connected with single-chip microcontroller third input terminal；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 4th double-contact passes through the 4th pull-up
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the 4th input terminal of single-chip microcontroller；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 5th double-contact passes through the 5th pull-up
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the 5th input terminal of single-chip microcontroller；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 6th double-contact passes through the 6th pull-up
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the 6th input terminal of single-chip microcontroller；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 7th double-contact passes through the 7th pull-up
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the 7th input terminal of single-chip microcontroller；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 8th double-contact passes through the 8th pull-up
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the 8th input terminal of single-chip microcontroller；
Second gear movable contact in the second gear sound contact of two grades of tumbler switches of the 9th double-contact passes through the 9th pull-up
The output end of DC-DC voltage reduction module is connected to after resistance series connection, and second gear movable contact is connected with the 9th input terminal of single-chip microcontroller.
9. being suitable for the teaching type experiment plate of railway signal as claimed in claim 7, which is characterized in that the single-chip microcontroller
Nine input terminals are respectively corresponded to be connected with nine double-contacts, two grades of tumbler switches, and output end is connected with display screen.
10. being suitable for the teaching type experiment plate of railway signal as described in claim 1, which is characterized in that the control plane
Plate and device storage box are each attached to the second layer front of the interlocking electric combination sideboard where semaphore circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875087.2U CN208271416U (en) | 2017-12-28 | 2017-12-28 | Teaching type experiment plate suitable for railway signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875087.2U CN208271416U (en) | 2017-12-28 | 2017-12-28 | Teaching type experiment plate suitable for railway signal |
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| Publication Number | Publication Date |
|---|---|
| CN208271416U true CN208271416U (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721875087.2U Expired - Fee Related CN208271416U (en) | 2017-12-28 | 2017-12-28 | Teaching type experiment plate suitable for railway signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895521A (en) * | 2017-12-28 | 2018-04-10 | 山东交通学院 | Suitable for the teaching type experiment plate and experimental method of railway signal |
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2017
- 2017-12-28 CN CN201721875087.2U patent/CN208271416U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895521A (en) * | 2017-12-28 | 2018-04-10 | 山东交通学院 | Suitable for the teaching type experiment plate and experimental method of railway signal |
| CN107895521B (en) * | 2017-12-28 | 2023-10-27 | 山东交通学院 | Teaching type experiment disk and experiment method suitable for railway annunciator |
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