CN108957189A - The detection experimental rig and method of the non-operating reversed defencive function of escalator - Google Patents
The detection experimental rig and method of the non-operating reversed defencive function of escalator Download PDFInfo
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- CN108957189A CN108957189A CN201810796449.1A CN201810796449A CN108957189A CN 108957189 A CN108957189 A CN 108957189A CN 201810796449 A CN201810796449 A CN 201810796449A CN 108957189 A CN108957189 A CN 108957189A
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- escalator
- moving sidewalk
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- contactor
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- General Physics & Mathematics (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The present invention provides a kind of detection experimental rig of the non-operating reversed defencive function of escalator and method, which includes shell and is arranged in the intracorporal main circuit of shell and control circuit；Input terminal interface (L1, L2, L3), PE terminal interface and output terminal interface (U2, V2, W2) are set outside shell；Input terminal interface (L1, L2, L3) connects power supply, using the input control end as the detection experimental rig；Ground terminal of the PE terminal interface as this detection experimental rig, is connected with power supply ground wire；Output terminal interface (U2, V2, W2) is the output control terminal of the detection experimental rig；Main circuit includes disconnecting switch QS, first contactor C1 and second contactor C2；Control circuit includes scram button SC1, test button SC2 and change-over switch K1.The present invention have the advantages that design science, practical, reliable operation, lighter weight, it is easy to carry, convenient for promote it is low with production cost.
Description
Technical field
It is examined the present invention relates to the detection of the non-operating reversed defencive function of escalator or moving sidewalk and test is set
Standby technical field specifically relates to the detection experimental rig and method of a kind of non-operating reversed defencive function of escalator,
Detection, inspection and test for escalator or the non-operating reversed defencive function of moving sidewalk.
Background technique
It is become increasingly popular now with what escalator or moving sidewalk were applied, in megastore, subway station, railway station
And the public places such as biggish public transportation hub station of flow have become the indispensable general traffic work of people's daily trip
Tool.Escalator or moving sidewalk are combined by the chain-linked conveyer of special construction pattern and with step, adhesive tape pattern
It forms, the terraced road with iterative motion, tilts consolidating for conveying passenger upward or downward to the different interlayers in building
Fixed pattern power driven equipment.The non-operating reversed defencive function of escalator or moving sidewalk is in its safety guard
Important component part, when its be in the runaway condition of downlink is suddenly become by uplink operating status when, at this time escalator or
Person's moving sidewalk should have non-operating reversed protection, should play cutting escalator or moving sidewalk control circuit immediately
Effect, has the function of that escalator or moving sidewalk can be made to be automatically stopped operation.
The failure and passenger of escalator or moving sidewalk in routine use, due to non-operating reversed defencive function
The reasons such as overload are easy to appear the phenomenon that escalator or moving sidewalk rollback reverse, thus will cause biggish personnel
Injury even leads to human casualty accident, thus in TSG technical specification of security, it is specified that it is annual periodically will to escalator or
The non-operating reversed defencive function of moving sidewalk carries out detection inspection and test, its validity is verified, to ensure that passenger is taking
Safety when escalator or moving sidewalk.
In disclosed technical data and domestic patent document, concluded to escalator or the non-manipulation of moving sidewalk
The test method of detection inspection, the test of reversal protection function has following several: hand turning test method(s) disconnects sensor wire
Method, bearing test method, escalator comprehensive tester etc., wherein when being measured using special instrument, due to instrument itself
Price is more expensive, and weight, volume are larger, inconvenient to carry, and application popularization is inconvenient.
In order to solve the above problems, people are seeking always a kind of comparatively ideal technical solution.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of design science, practical, reliable operation,
Lighter weight, detection test easy to carry, convenient for promoting the non-operating reversed defencive function of escalator low with production cost
Device and method.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of non-operating reversed protection of escalator
The detection experimental rig of function, including shell and setting are in the intracorporal main circuit of the shell and control circuit；
Input terminal interface (L1, L2, L3), PE terminal interface and output terminal interface (U2, V2, W2) are set outside the shell；
The input terminal interface (L1, L2, L3) connects automatic staircase control cabinet electrical source of power output end, is filled using testing as the detection
The input control end set；Ground terminal of the PE terminal interface as this detection experimental rig, and supplies in automatic staircase control cabinet
Electric power ground is connected；
The output terminal interface (U2, V2, W2) is the output control terminal of the detection experimental rig, connects escalator motor
Input terminal terminal；
The main circuit includes disconnecting switch QS, first contactor C1 and second contactor C2；
The one end the disconnecting switch QS is connect with the input terminal interface (L1, L2, L3), and the other end passes through described first respectively
Contactor C1 connects the output terminal interface (U2, V2, W2) with the second contactor C2；Wherein, the first contactor
A side terminal (L11, L12, L13) for the three-phase moving together contact of C1 is connected with the disconnecting switch QS respectively, another side terminal
(T11, T12, T13) is connected with the output terminal interface (U2, V2, W2) respectively；
A side terminal (L21, L22, L23) for the three-phase moving together contact of the second contactor C2 and the disconnecting switch QS phase
Even, another side terminal (T21, T22, T23) is connected with the output terminal interface (U2, V2, W2)；
The disconnecting switch QS also and is connected to Manual test main circuit, and the Manual test main circuit includes equivalent motor load
Circuit, the equivalent motor load circuit pass sequentially through the second contactor C2 break contact (L41 and T41, L42 and
T42, L43 and T43) and the first contactor C1 break contact (L31 and T31, L32 and T32, L33 and T33) be isolated with described
Switch QS simultaneously connects；
Two connection line ends of the control circuit pass through the other end of 36V power supply and the disconnecting switch QS and connect, the control
Circuit includes scram button SC1, test button SC2 and change-over switch K1；
The control coil of the first contactor C1, a normally-closed contact of the second contactor C2, the second contactor C2
Timing closing contact and the scram button SC1 be sequentially connected in series the control circuit two connect line ends；
The control coil of the second contactor C2, a normally-closed contact of the first contactor C1, the test button SC2 and
The scram button SC1, which is sequentially connected in series, connects line end the two of the control circuit；
The Ith station is arranged in the change-over switch K1 and the IIth station, the Ith station are serially connected in prolonging for the second contactor C2
When closure contact and the scram button SC1 between.
A kind of detection method of the detection experimental rig of the non-operating reversed defencive function of above-mentioned escalator, the detection method
Include:
Step 1, disconnect be detected escalator perhaps moving sidewalk total power switch disconnect be detected escalator or
Moving sidewalk control cabinet output end is to the three-phase power line power supply between motor；
Step 2, by this detection experimental rig, it is mounted on the control cabinet electrical source of power of detected escalator or moving sidewalk
Output end, and between the input terminal of detected escalator or moving sidewalk motor；
Step 3, the non-operating reversed defencive function test under uplink operating status is carried out, sets escalator or from moving row
The direction of rotation of the motor in road is just switching to the up direction of escalator or moving sidewalk；
Step 3.1, change-over switch K1 is placed in the Ith station, the disconnecting switch QS being closed in main circuit, starting is detected and helps automatically
Perhaps detected escalator or moving sidewalk pass through detection experimental rig uplink fortune to moving sidewalk uplink to ladder at this time
Row；
Step 3.2, the test button SC2 is pressed, the motor for being detected escalator or moving sidewalk passes through the inspection
It is inverted after test experiment device delay, is detected escalator at this time or the traffic direction of moving sidewalk is changed by uplink
For downlink, that is, take a turn for the worse state；If being detected escalator or the non-operating reversed defencive function of moving sidewalk can rise
Effect, i.e. escalator or moving sidewalk automatically cut off control circuit and out of service, then can determine that be detected and help automatically
Ladder or the non-operating reversed defencive function of moving sidewalk are effective；Otherwise escalator or the non-manipulation of moving sidewalk are detected
Reversal protection disabler；
Step 3.3, it disconnects the disconnecting switch QS, completes detected escalator under uplink operating status or from moving row
The detection of the non-operating reversed defencive function in road is tested；
Step 4, the non-operating reversed defencive function being detected under escalator or moving sidewalk downlink operating status is carried out
Test, the direction of rotation for setting the motor of escalator or moving sidewalk are just switching to escalator or moving sidewalk
Down direction；
Step 4.1, the disconnecting switch QS being closed in main circuit, starts and is detected escalator or moving sidewalk downlink, this
When be detected escalator or moving sidewalk and pass through detection experimental rig downlink operation；
Step 4.2, the test button SC2 is pressed, the motor for being detected escalator or moving sidewalk passes through the inspection
It is inverted after test experiment device delay, the traffic direction for being detected escalator or moving sidewalk at this time is turned by downlink change
For uplink, that is, take a turn for the worse state；If being detected escalator or the non-operating reversed defencive function of moving sidewalk can rise
Effect, i.e. escalator or moving sidewalk automatically cut off control circuit and out of service, then can determine that be detected and help automatically
Ladder or the non-operating reversed defencive function of moving sidewalk are effective；Otherwise escalator or the non-manipulation of moving sidewalk are detected
Reversal protection disabler；
Step 4.3, it disconnects the disconnecting switch QS, completes detected escalator under downlink operating status or from moving row
The detection of the non-operating reversed defencive function in road is tested；
Step 5, restore to be detected escalator or moving sidewalk operates normally.
Based on above-mentioned, in the step 3, the detected escalator under uplink operating status is performed a plurality of times or from moving
The non-operating reversed defencive function detection test in trade, and record the inspection of the non-operating reversed defencive function under all uplink operating statuses
Test the result tested；
In the step 4, the detected escalator under downlink operating status is performed a plurality of times or the non-manipulation of moving sidewalk is inverse
The test of rotation protection Function detection, and record the knot of the detection test of the non-operating reversed defencive function under all downlink operating statuses
Fruit.
Based on above-mentioned, when the change-over switch K1 is in II station, detection method includes:
It is closed the disconnecting switch QS, presses the test button SC2, using hand turning mode or bearing mode, artificially
Jiggering or load self weight reason change the traffic direction for being detected escalator or moving sidewalk；
If be detected escalator perhaps the non-operating reversed defencive function of moving sidewalk can work i.e. escalator or
Moving sidewalk automatically cuts off control circuit and out of service, then can determine that detected escalator or the non-behaviour of moving sidewalk
Vertical reversal protection function is effective；Otherwise escalator or the non-operating reversed defencive function failure of moving sidewalk are detected.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, and specifically, the present invention mentions
The detection experimental rig and method of a kind of non-operating reversed defencive function of escalator are supplied, for escalator or from moving
The detection of the non-operating reversed defencive function in trade is tested, which includes that shell and setting are intracorporal in the shell
Main circuit and control circuit；The main circuit includes disconnecting switch QS, first contactor C1 and second contactor C2；The control
The two of circuit connect the other end of line ends and the disconnecting switch QS and connect, and the control circuit includes scram button SC1, test
Button SC2 and change-over switch K1；The Ith station and the IIth station is arranged in the change-over switch K1；When the change-over switch K1 is in
When I station, this detection experimental rig is with the following functions: running escalator or moving sidewalk can be made to stop automatically
Only run, and control be detected escalator perhaps moving sidewalk motor invert so that be detected escalator or
The traffic direction of moving sidewalk changes, and simulation generates the inverted-state of escalator or moving sidewalk, to examine
Escalator is tested in test or whether the non-operating reversed defencive function of moving sidewalk is effective；When the change-over switch K1 is in the
When II station: running escalator or moving sidewalk can be made to stop, then applying hand turning mode or loading side
Whether formula, detection test escalator or the non-operating reversed defencive function of moving sidewalk are effective；The configuration of the present invention is simple, it is raw
It produces at low cost, is convenient for marketing；
Design science of the present invention, structure are simple, lighter weight, reduce half, small in size, carrying side than existing special instrument weight
Just；Have the advantages that practical, reliable operation, convenient for promote it is low with production cost.
Detailed description of the invention
Fig. 1 is electrical schematic diagram of the invention.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
Embodiment 1
As shown in Fig. 1, the detection experimental rig of the non-operating reversed defencive function of a kind of escalator, it includes shell and sets
It sets in the intracorporal main circuit of the shell and control circuit；
Input terminal interface (L1, L2, L3), PE terminal interface and output terminal interface (U2, V2, W2) are set outside the shell；
The input terminal interface (L1, L2, L3) connects automatic staircase control cabinet electrical source of power output end, is filled using testing as the detection
The input control end set；Ground terminal of the PE terminal interface as this detection experimental rig, and supplies in automatic staircase control cabinet
Electric power ground is connected；
The output terminal interface (U2, V2, W2) is the output control terminal of the detection experimental rig, connects escalator motor
Input terminal terminal；
The main circuit includes disconnecting switch QS, first contactor C1 and second contactor C2；
The one end the disconnecting switch QS is connect with the input terminal interface (L1, L2, L3), and the other end passes through described first respectively
Contactor C1 connects the output terminal interface (U2, V2, W2) with the second contactor C2；Wherein, the first contactor
A side terminal (L11, L12, L13) for the three-phase moving together contact of C1 is connected with the disconnecting switch QS respectively, another side terminal
(T11, T12, T13) is connected with the output terminal interface (U2, V2, W2) respectively；
A side terminal (L21, L22, L23) for the three-phase moving together contact of the second contactor C2 and the disconnecting switch QS phase
Even, another side terminal (T21, T22, T23) is connected with the output terminal interface (U2, V2, W2)；
Two connection line ends of the control circuit pass through the other end of 36V power supply and the disconnecting switch QS and connect, the control
Circuit includes scram button SC1, test button SC2 and change-over switch K1；
The control coil of the first contactor C1, a normally-closed contact of the second contactor C2, the second contactor C2
Timing closing contact and the scram button SC1 be sequentially connected in series the control circuit two connect line ends；
The control coil of the second contactor C2, a normally-closed contact of the first contactor C1, the test button SC2 and
The scram button SC1, which is sequentially connected in series, connects line end the two of the control circuit；
The Ith station is arranged in the change-over switch K1 and the IIth station, the Ith station are serially connected in prolonging for the second contactor C2
When closure contact and the scram button SC1 between.
Specifically, a side terminal (L11, L12 and L13) for the three-phase moving together contact of the first contactor C1 and it is described every
Pass QS is left to be connected；Another side terminal T11 is connected with the U2 phase of the output terminal interface (U2, V2, W2), terminal T12 and institute
The V2 phase for stating output terminal interface (U2, V2, W2) is connected, the W2 phase of terminal T13 and the output terminal interface (U2, V2, W2)
It is connected.When second contactor C2 tri- is to contact closure, the input terminal interface (L1, L2, L3) of this detection experimental rig and institute
It states output terminal interface (U2, V2, W2) and corresponds connection, three phase mains is detected with the phase sequence access of U2-V2-W2 and is helped automatically
The motor input terminals of ladder or moving sidewalk realize that the motor for being detected escalator rotates forward；As second contactor C2
When three pairs of contacts disconnect, first contactor C1 tri- is closed contact (L11 and T11, L12 and T12, L13 and T13), three phase mains
Middle V2 and U2 two-phase is exchanged, and three phase mains accesses the electricity for being detected escalator or moving sidewalk with the phase sequence of V2-U2-W2
Motivation input terminal simulates and is detected escalator motor inverted status.
The specific connection type of this detection experimental rig and detected escalator or moving sidewalk are as follows: detect this
The input terminal interface (L1, L2, L3) and detected escalator of experimental rig or the control cabinet power electric of moving sidewalk
The output end in source is correspondingly connected with, by the output terminal interface (U2, V2, W2) of this detection experimental rig and detected escalator or
The input terminal of person's moving sidewalk motor is correspondingly connected with.
The present embodiment makes electrical motors to auto-reverse to simulate escalator or automatic by the detection experimental rig
The inverted-state on pavement, come verify escalator or moving sidewalk non-operating reversed defencive function validity, tool
Body detecting method are as follows:
Step 1, disconnect be detected escalator perhaps moving sidewalk total power switch disconnect be detected escalator or
Moving sidewalk control cabinet output end is to the three-phase power line power supply between motor；
Step 2, by this detection experimental rig, it is mounted on the control cabinet electrical source of power of detected escalator or moving sidewalk
Output end, and between the input terminal of detected escalator or moving sidewalk motor；
Step 3, the non-operating reversed defencive function test under uplink operating status is carried out, sets escalator or from moving row
The direction of rotation of the motor in road is just switching to the up direction of escalator or moving sidewalk；
Step 3.1, change-over switch K1 is placed in the Ith station, the disconnecting switch QS, the test button SC2 being closed in main circuit
In an ON state, the test button SC2 can keep self-locking state, the control line of the second contactor C2 to normally-closed contact
Enclose electric, the three-phase moving together contact terminal (L21 and T21, L22 and T22, L23 and T23) of the second contactor C2 of main circuit
It connects, three phase mains accesses the motor input terminals for being detected escalator or moving sidewalk with the phase sequence of U2-V2-W2；
Starting detected escalator, perhaps moving sidewalk uplink is detected escalator at this time or moving sidewalk passes through the inspection
Test the operation of experiment device uplink；
If the direction of rotation of motor and preset direction are inconsistent, its motor input wires sequence can adjust；
Step 3.2, the test button SC2 is pressed, the test button SC2 normally-closed contact disconnects, the second contactor C2
Control coil power loss, the second contactor C2 of main circuit three-phase moving together contact terminal (L21 and T21, L22 and T22,
L23 and T23) it disconnects, the motor for being detected escalator or moving sidewalk stops rotating forward；At one section of control circuit delay
Between after, the timing closing contact of the second contactor C2 is connected, and the control coil of the first contactor C1 obtains electric, main circuit
The three-phase moving together contact terminal (L11 and T11, L12 and T12, L13 and T13) of the first contactor C1 connect, three phase mains
Middle two-phase V2 and U2 is exchanged, and three phase mains accesses the electricity for being detected escalator or moving sidewalk with the phase sequence of V2-U2-W2
Motivation input terminal, the motor for being detected escalator or moving sidewalk are anti-by occurring after detection experimental rig delay
Turn；It is detected escalator at this time or the traffic direction of moving sidewalk is changed into downlink by uplink, that is, take a turn for the worse state；
At this moment, it can start to detect the validity of detected escalator or moving sidewalk；
If be detected escalator perhaps the non-operating reversed defencive function of moving sidewalk can work i.e. escalator or
Moving sidewalk automatically cuts off control circuit, and detected escalator or moving sidewalk is made to be automatically stopped operation, then may be used
Determine to be detected escalator or the non-operating reversed defencive function of moving sidewalk is effective；Otherwise be detected escalator or
The non-operating reversed defencive function failure of moving sidewalk；
Step 3.3, it disconnects the disconnecting switch QS, completes detected escalator under uplink operating status or from moving row
The detection of the non-operating reversed defencive function in road is tested；
Step 4, the non-operating reversed defencive function being detected under escalator or moving sidewalk downlink operating status is carried out
Detection test, the direction of rotation for setting the motor of escalator or moving sidewalk are just switching to escalator or from moving
The down direction on trade；
Step 4.1, the disconnecting switch QS being closed in main circuit, starts and is detected escalator or moving sidewalk downlink, this
When be detected escalator or moving sidewalk and pass through detection experimental rig downlink operation；
Step 4.2, the test button SC2 is pressed, the motor for being detected escalator or moving sidewalk passes through the inspection
It is inverted after test experiment device delay, is detected escalator at this time or the traffic direction of moving sidewalk is changed by downlink
For uplink, that is, take a turn for the worse state；At this moment, it can start to detect the validity of detected escalator or moving sidewalk；
If being detected escalator, perhaps the non-operating reversed defencive function of moving sidewalk can work escalator or from moving
Trade automatically cuts off control circuit, makes to be detected escalator or moving sidewalk is automatically stopped operation, then can determine that tested
It surveys escalator or the non-operating reversed defencive function of moving sidewalk is effective；Otherwise it is detected escalator or from moving row
The non-operating reversed defencive function failure in road；
Step 4.3, it disconnects the disconnecting switch QS, completes detected escalator under downlink operating status or from moving row
The detection of the non-operating reversed defencive function in road is tested；
Step 5, restore be detected escalator perhaps moving sidewalk total power switch restore be detected escalator or
Moving sidewalk control cabinet output end restores to be detected escalator or automatic to the three-phase power line power supply between motor
Pavement operates normally.
Specifically, in the step 3,3 detected escalators executed under uplink operating statuses or from moving row
The non-operating reversed defencive function detection test in road, and record the detection of the non-operating reversed defencive function under all uplink operating statuses
The result of test；
In the step 4,3 detected escalators executed under downlink operating status or moving sidewalk are non-operating reversed
Defencive function detection test, and record the result of the detection test of the non-operating reversed defencive function under all downlink operating statuses.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: the disconnecting switch QS also and is connected to Manual test main circuit, it is described manually
Testing main circuit includes equivalent motor load circuit, and the equivalent motor load circuit passes sequentially through the second contactor
C2 break contact (L41 and T41, L42 and T42, L43 and T43) and first contactor C1 break contact (L31 and T31, the L32
And T32, L33 and T33) with the disconnecting switch QS and connect.
The equivalent motor load circuit is as similar in escalator or moving sidewalk motor relevant parameter
The three-phase equivalent circuit of electronic device composition.
The movable contact of the change-over switch K1 acts, and switches to the Ith station or the IIth station；At the change-over switch K1
When I station: carrying out detection test using 1 method of embodiment, running escalator or moving sidewalk can be made certainly
Motor reversion out of service, and controlling detected escalator or moving sidewalk is moved, so that being detected escalator
Perhaps the traffic direction of moving sidewalk, which changes, simulates the inverted-state of generation escalator or moving sidewalk, from
And whether detection test escalator or the non-operating reversed defencive function of moving sidewalk are effective；The change-over switch K1 is in
When II station: running escalator or moving sidewalk can be made to stop, then applying hand turning mode or carrying
Mode detects the tested escalator of test or whether the non-operating reversed defencive function of moving sidewalk is effective.Wherein, manually
Jiggering mode uses hand-barring, the dynamic tested escalator of disk or moving sidewalk, change tested escalator or
The traffic direction of person's moving sidewalk；Bearing mode is to be changed using step or pedal carrying driving method with load
The traffic direction of tested escalator or moving sidewalk.
When being detected the control cabinet application frequency converter of escalator or moving sidewalk as driving output, institute is operated
Stating change-over switch K1 is the IIth station, that is, is in an off state, and using hand turning mode or bearing mode, detection is helped automatically
The validity of ladder or the non-operating reversed defencive function of moving sidewalk.
When the change-over switch K1 is in II station, detection method includes:
By this detection experimental rig, it is mounted on the output end of the frequency converter of detected escalator or moving sidewalk, with quilt
It detects between escalator or the input terminal of moving sidewalk motor；
It is closed the disconnecting switch QS, presses the test button SC2, then the control coil power loss of the second contactor C2,
The three-phase moving together contact terminal (L21 and T21, L22 and T22, L23 and T23) of the second contactor C2 of main circuit disconnects, institute
State three-phase break contact terminal (L41 and T41, L42 and T42, the L43 and T43) closure of second contactor C2；Using hand turning
Mode or bearing mode change and are detected escalator or moving sidewalk traffic direction；
If be detected escalator perhaps the non-operating reversed defencive function of moving sidewalk can work i.e. escalator or
Moving sidewalk automatically cuts off control circuit and out of service, then can determine that detected escalator or the non-behaviour of moving sidewalk
Vertical reversal protection function is effective；Otherwise escalator or the non-operating reversed defencive function failure of moving sidewalk are detected.
Using the above method to there are the non-operating reversed defencive functions of the escalator of frequency converter or moving sidewalk
When carrying out detection test, frequency converter starts autoprotection system because of output open circuit in order to prevent, the present embodiment frequency converter with
The manual operation main circuit is accessed between motor, makes frequency converter be in dry run state during detecting test
Under, complete machine control system is under normal condition, to guarantee being normally carried out for detection work.To expand this detection test dress
The use scope set makes it be also applied for transducer drive escalator or the non-operating reversed defencive function of moving sidewalk
Detection test.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (4)
1. a kind of detection experimental rig of the non-operating reversed defencive function of escalator, it is characterised in that: including shell and set
It sets in the intracorporal main circuit of the shell and control circuit；
Input terminal interface (L1, L2, L3), PE terminal interface and output terminal interface (U2, V2, W2) are set outside the shell；
The input terminal interface (L1, L2, L3) connects automatic staircase control cabinet electrical source of power output end, is filled using testing as the detection
The input control end set；Ground terminal of the PE terminal interface as this detection experimental rig, and supplies in automatic staircase control cabinet
Electric power ground is connected；
The output terminal interface (U2, V2, W2) is the output control terminal of the detection experimental rig, connects escalator motor
Input terminal terminal；
The main circuit includes disconnecting switch QS, first contactor C1 and second contactor C2；
The one end the disconnecting switch QS is connect with the input terminal interface (L1, L2, L3), and the other end passes through described first respectively
Contactor C1 connects the output terminal interface (U2, V2, W2) with the second contactor C2；Wherein, the first contactor
A side terminal (L11, L12, L13) for the three-phase moving together contact of C1 is connected with the disconnecting switch QS respectively, another side terminal
(T11, T12, T13) is connected with the output terminal interface (U2, V2, W2) respectively；
A side terminal (L21, L22, L23) for the three-phase moving together contact of the second contactor C2 and the disconnecting switch QS phase
Even, another side terminal (T21, T22, T23) is connected with the output terminal interface (U2, V2, W2)；
The disconnecting switch QS also and is connected to Manual test main circuit, and the Manual test main circuit includes equivalent motor load
Circuit, the equivalent motor load circuit pass sequentially through the second contactor C2 break contact (L41 and T41, L42 and
T42, L43 and T43) and the first contactor C1 break contact (L31 and T31, L32 and T32, L33 and T33) be isolated with described
Switch QS simultaneously connects；
Two connection line ends of the control circuit pass through the other end of 36V power supply and the disconnecting switch QS and connect, the control
Circuit includes scram button SC1, test button SC2 and change-over switch K1；
The control coil of the first contactor C1, a normally-closed contact of the second contactor C2, the second contactor C2
Timing closing contact and the scram button SC1 be sequentially connected in series the control circuit two connect line ends；
The control coil of the second contactor C2, a normally-closed contact of the first contactor C1, the test button SC2 and
The scram button SC1, which is sequentially connected in series, connects line end the two of the control circuit；
The Ith station is arranged in the change-over switch K1 and the IIth station, the Ith station are serially connected in prolonging for the second contactor C2
When closure contact and the scram button SC1 between.
2. a kind of detection side of the detection experimental rig based on the non-operating reversed defencive function of escalator described in claim 1
Method, which is characterized in that the detection method includes:
Step 1, disconnect be detected escalator perhaps moving sidewalk total power switch disconnect be detected escalator or
Moving sidewalk control cabinet output end is to the three-phase power line power supply between motor；
Step 2, by this detection experimental rig, it is mounted on the control cabinet electrical source of power of detected escalator or moving sidewalk
Output end, and between the input terminal of detected escalator or moving sidewalk motor；
Step 3, the non-operating reversed defencive function test under uplink operating status is carried out, sets escalator or from moving row
The direction of rotation of the motor in road is just switching to the up direction of escalator or moving sidewalk；
Step 3.1, change-over switch K1 is placed in the Ith station, the disconnecting switch QS being closed in main circuit, starting is detected and helps automatically
Perhaps detected escalator or moving sidewalk pass through detection experimental rig uplink fortune to moving sidewalk uplink to ladder at this time
Row；
Step 3.2, the test button SC2 is pressed, the motor for being detected escalator or moving sidewalk passes through the inspection
It is inverted after test experiment device delay, is detected escalator at this time or the traffic direction of moving sidewalk is changed by uplink
For downlink, that is, take a turn for the worse state；If being detected escalator or the non-operating reversed defencive function of moving sidewalk can rise
Effect, i.e. escalator or moving sidewalk automatically cut off control circuit and out of service, then can determine that be detected and help automatically
Ladder or the non-operating reversed defencive function of moving sidewalk are effective；Otherwise escalator or the non-manipulation of moving sidewalk are detected
Reversal protection disabler；
Step 3.3, it disconnects the disconnecting switch QS, completes detected escalator under uplink operating status or from moving row
The detection of the non-operating reversed defencive function in road is tested；
Step 4, the non-operating reversed defencive function being detected under escalator or moving sidewalk downlink operating status is carried out
Test, the direction of rotation for setting the motor of escalator or moving sidewalk are just switching to escalator or moving sidewalk
Down direction；
Step 4.1, the disconnecting switch QS being closed in main circuit, starts and is detected escalator or moving sidewalk downlink, this
When be detected escalator or moving sidewalk and pass through detection experimental rig downlink operation；
Step 4.2, the test button SC2 is pressed, the motor for being detected escalator or moving sidewalk passes through the inspection
It is inverted after test experiment device delay, the traffic direction for being detected escalator or moving sidewalk at this time is turned by downlink change
For uplink, that is, take a turn for the worse state；If being detected escalator or the non-operating reversed defencive function of moving sidewalk can rise
Effect, i.e. escalator or moving sidewalk automatically cut off control circuit and out of service, then can determine that be detected and help automatically
Ladder or the non-operating reversed defencive function of moving sidewalk are effective；Otherwise escalator or the non-manipulation of moving sidewalk are detected
Reversal protection disabler；
Step 4.3, it disconnects the disconnecting switch QS, completes detected escalator under downlink operating status or from moving row
The detection of the non-operating reversed defencive function in road is tested；
Step 5, restore to be detected escalator or moving sidewalk operates normally.
3. detection method according to claim 2, it is characterised in that:
In the step 3, the detected escalator under uplink operating status is performed a plurality of times or the non-manipulation of moving sidewalk is inverse
The test of rotation protection Function detection, and record the knot of the detection test of the non-operating reversed defencive function under all uplink operating statuses
Fruit；
In the step 4, the detected escalator under downlink operating status is performed a plurality of times or the non-manipulation of moving sidewalk is inverse
The test of rotation protection Function detection, and record the knot of the detection test of the non-operating reversed defencive function under all downlink operating statuses
Fruit.
4. detection method according to claim 3, which is characterized in that
When the change-over switch K1 is in II station, detection method includes:
It is closed the disconnecting switch QS, presses the test button SC2, using hand turning mode or bearing mode, artificially
Jiggering or load self weight reason change the traffic direction for being detected escalator or moving sidewalk；
If be detected escalator perhaps the non-operating reversed defencive function of moving sidewalk can work i.e. escalator or
Moving sidewalk automatically cuts off control circuit and out of service, then can determine that detected escalator or the non-behaviour of moving sidewalk
Vertical reversal protection function is effective；Otherwise escalator or the non-operating reversed defencive function failure of moving sidewalk are detected.
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| CN201810796449.1A CN108957189B (en) | 2018-07-19 | 2018-07-19 | Detection test device and method for non-operation reverse rotation protection function of escalator |
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