CN211926949U - Testing equipment of point switch - Google Patents
Testing equipment of point switch Download PDFInfo
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- CN211926949U CN211926949U CN202020774007.XU CN202020774007U CN211926949U CN 211926949 U CN211926949 U CN 211926949U CN 202020774007 U CN202020774007 U CN 202020774007U CN 211926949 U CN211926949 U CN 211926949U
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Abstract
The utility model provides a test equipment (1) for goat, it includes: a control panel (10) for human-computer interaction, a relay unit (20) connected to and capable of starting or stopping the switch machine to be tested; a wiring detection circuit (30) having a plurality of groups of test terminals for different wiring systems, said test terminals being connectable to predetermined wiring detection points on said switch machine under test for detecting whether the wiring connection is correct; a PLC controller (40) connected to the control panel (10), the relay unit (20), and the wiring detection circuit (30). Adopt the utility model provides a different system of lines goat can be tested to test equipment, and then the running-in test that can realize the goat.
Description
Technical Field
The utility model relates to a track traffic technical field, in particular to be used for carrying out the test's to the goat test equipment.
Background
A switch machine is a common device in the field of rail traffic, and is used to change the direction of opening a switch, lock the switch blade, and reflect the position of the switch. As a very important track switching device, a switch machine is generally required to have high stability and durability. For this reason, the performance test of the switch machine before shipment or during maintenance is generally very stringent. For example, the switch machine needs to be subjected to an electrical performance test, a force output test, a running-in test and the like according to relevant national standards.
With the development of switches, switches of different wiring connection modes appear. At present, the switches connected with different wires are tested by the test equipment corresponding to the wire connection mode. For this reason, a new type of test equipment is needed, which is capable of compatibly testing switches of different wiring system types, thereby enabling universal testing.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a testing apparatus for a switch machine, which is capable of compatibly testing switch machines of different wiring connection modes. Another object of the utility model is to provide a test equipment for goat, it can be convenient for realize the break-in test. Yet another object of the present invention is to facilitate the wiring test according to the circuit characteristics of different switches.
In a first aspect, an embodiment of the present invention provides a testing apparatus for testing a switch machine to be tested, which is characterized in that it includes: a control panel for human-computer interaction, the control panel further comprising: a master control button capable of sending out a master control starting instruction for starting the test of the switch machine to be tested; a wiring detection display board which comprises a fault indicator lamp for indicating whether the wiring connection of the switch machine to be tested is correct or not; a wiring detection enabling button capable of sending out a wiring detection enabling instruction for providing low-voltage direct current for detecting wiring connection of the switch machine to be detected; a relay unit connectable to the switch machine under test for starting or stopping the action of the switch machine under test; a wiring detection circuit having a plurality of groups of test terminals for different wiring systems, the test terminals being connectable to predetermined wiring detection points on the switch machine under test for detecting whether wiring connections are correct; a PLC controller connected to the control panel, the relay unit, and the wiring detection circuit; wherein the PLC controller is configured to enable the test equipment in response to a general control instruction from the control panel; a fault indicator lamp in a wiring detection display panel on the control panel is illuminated in response to a wiring fault signal from the wiring detection circuit. Preferably, the wiring detection display panel further includes a wiring indicator lamp capable of indicating an operating condition of the wiring during the operation of the switch machine.
Preferably, the test apparatus may further include: a power module capable of providing a DC power output and connected to the PLC controller; wherein the PLC controller is configured to conduct an electrical connection between the power supply module and the wiring detection circuit in response to an enable signal from the wiring detection enable button.
Preferably, the control panel further comprises: at least one setting/display unit, each setting/display unit is used for displaying and/or setting a parameter related to the action of the switch machine to be tested; the test apparatus further comprises: at least one parameter setting/detecting circuit connected to the PLC controller for setting/detecting the parameters related to the action of the switch machine to be tested. More preferably, each of the setting/display units includes: a display window for displaying the actual measured value of said parameter related to the movement of said switch machine under test; and the set of setting buttons comprise at least one setting key and at least one adjusting key so as to adjust and set the parameters. The display window in the setting/display unit comprises an LED display screen or an LCD display screen.
Preferably, the control panel further comprises: a first set of control buttons capable of issuing continuous action commands to start or stop the continuous action of the point machine to be tested; and/or a second set of operating buttons capable of issuing a single action command to start or stop the action of the switch machine to be tested in a first direction or a single action in a direction opposite to the first direction; the PLC controller is capable of enabling the relay unit in response to the continuous action command or the single action command.
More preferably, the control panel further comprises an emergency stop button for sending an emergency stop command; the PLC controller is capable of disabling the relay unit in response to the emergency stop instruction, thereby causing the switch machine under test to cease action.
Adopt the utility model provides a test equipment can carry out the wiring inspection through distribution detection circuitry to the goat of different line systems. The switch machine can be operated and/or run-in tested only after the wiring connection is correct. Furthermore, the test equipment may provide an indication of whether the wiring test is correct or not under different wiring schemes. Preferably, the test device of the present invention facilitates running-in tests of the switch machine, for example providing single action, continuous action and emergency stop control functions. Meanwhile, the test equipment can also set, detect and display various parameters related to the operation of the switch machine so as to facilitate the operation and visual observation of an operator. More preferably, the utility model provides a test equipment is owing to used the PLC controller as central processing unit, and this test equipment can be according to the nimble test mode of setting for of the electric circuit condition of goat, and its adaptability and scalability are stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a connection relationship of a testing apparatus and a switch machine according to an embodiment of the present invention;
fig. 2 shows a control panel of a testing device according to an embodiment of the invention;
fig. 3 shows a control panel of a testing device according to another embodiment of the present invention;
fig. 4 shows a block diagram of a test apparatus according to an embodiment of the present invention.
List of reference numerals:
1: the test apparatus 10: control panel 20: relay unit
30: the wiring detection circuit 40: the PLC controller 50: setting/detecting circuit
60: the power supply module 110: general control button
120: wiring detection display panel 122: fault indicator light 124: wiring indicator lamp
130: wiring detection Enable buttons 140, 140 a-d: setting/display unit 150: control button
150 a-b: first/second group manipulation buttons 150 c: scram button 90: switch machine
Detailed Description
As mentioned before, to the goat of present different grade type, the utility model provides a can compatible different wiring connection mode's goat's test equipment, it can detect whether wiring connection is correct, preferably still is suitable for running-in test and detection.
The wiring connection method of the conventional switch machine can be roughly classified into four-wire system and five-wire system ac electric connection methods. The correctness of the wiring connection is the primary test object, because it relates to whether the whole switch can be normally started. The utility model provides a test equipment then can test whether the wiring connection of goat is correct under the different wiring connected mode.
The following describes the switch machine testing equipment provided by the embodiments of the present invention in detail with reference to the accompanying drawings.
Fig. 1 schematically shows a schematic view of a test apparatus 1 according to an embodiment of the present invention connected to a switch machine 90 under test. As shown in fig. 1, a test apparatus 1 according to an embodiment of the present invention includes a control panel 10, a relay unit 20, a wiring detection circuit 30, and a PLC controller 40.
As shown in fig. 1, the PLC controller 40 is connected as a central control element to the control panel 10, the relay unit 20, and the wiring detection circuit 30. The relay unit 20 is capable of being connected to a switch machine 90 under test and starting or stopping the action (such as the extending or retracting action) of the switch machine 90 in response to a command from the PLC controller 40. The wiring detection circuit 30 has a plurality of test terminals that can be connected to predetermined wiring detection points of the switch machine 90 for detecting whether the wiring connections on the switch machine 90 are correct. The control panel 10 is used to realize human-computer interaction, which receives instructions from the operator on the one hand and displays the detection status to the operator on the other hand.
Fig. 2 schematically shows a schematic view of the control panel 10 according to an embodiment. In the example shown in fig. 2, the control panel 10 includes an overall control button 110, a wiring detection display panel 120, and a wiring detection enable button 130. The general control button 110 can send out a general control starting instruction to start the testing device 1. The test of the switch machine 90 can be initiated if and only if the master control button 110 is pressed. The setting of the master control button 110 can effectively avoid the starting of the test equipment caused by misoperation. The wiring detection display panel 120 includes indicator lights for indicating whether the wiring connection of the switch machine under test is correct. In the example shown in fig. 2, the wiring detection display panel 120 may include a fault indicator lamp 122 that indicates whether the wiring connection of the switch machine 90 is correct or not, and the fault indicator lamp 122 is turned on when the wiring connection is incorrect. Preferably, the wiring detection display panel 120 further includes a wiring indicator light 124 capable of indicating the wiring operating state during operation of the switch machine 90 if the wiring connection is correct. In the example of fig. 2, the wiring indicator light 124 is dedicated to a common four wire wiring connection scenario. Alternatively, the wiring indicator 124 may be configured for a five wire wiring connection or even for a two wire connection.
Fig. 4 shows a block diagram of a test apparatus according to an embodiment of the present invention. As shown in fig. 4, the PLC controller 40 is connected to the control panel 10, the relay unit 20, and the distribution detection circuit 30, respectively. The distribution detection circuit 30 has a plurality of test terminals that can be connected to predetermined wiring detection points on the switch machine 90 for detecting whether the wiring connections are correct. The number of test terminals of the wiring detection circuit 30 and the positions on the switch 90 are different for wiring connections of different wiring systems. In the example shown in fig. 2 and 4, the wiring detection circuit 30 may have a first set of test terminals for the four-wire system and a second set of test terminals for the five-wire system. According to the signals fed back by different groups of test terminals, the wiring detection circuit 30 can automatically identify the wiring connection type of the switch machine 90 to be tested, and accordingly, judge whether the wiring connection is correct according to the judgment logic given by the PLC controller 40. When the wiring connection is wrong, the trouble lamp is turned on. When the wiring connection is correct, the wiring detection circuit 30 may also provide the PLC controller 40 with the wiring operating state during the operation of the switch machine.
The wiring detection is typically a low voltage electrical signal detection. Preferably, for safety, as shown in fig. 2, the control panel 10 is further provided with a wiring detection enable button 130, which can issue a wiring detection enable command to enable the wiring detection circuit 30 to obtain low-voltage dc power supply. In the example shown in fig. 4, the PLC controller 40 is also connected to a power supply module 60. The power module 60 may provide the low voltage dc power required by the power distribution detection circuit 30. The PLC controller 40 may turn on the electrical connection between the power supply module 60 and the wiring detection circuit 30 in response to a wiring detection enable instruction from the control panel 10 to provide the direct current power supply. Alternatively, the wiring detection enable button 130 may also be connected between one power module 60 and the wiring detection circuit 30. When the button 130 is pressed, the electrical connection between the power module and the wiring detection circuit 30 is made, thereby providing low voltage dc power to the wiring detection circuit.
Preferably, the test apparatus 1 is also able to carry out running-in tests of the switch machine 90, such as single-action tests and/or continuous-action tests. As shown in fig. 2, the control panel 10 further includes: a first set of operating buttons 150a capable of issuing successive movement commands to START (START) or STOP (STOP) the successive movements (extension or retraction) of the switch machine 90, and/or a second set of operating buttons 150b capable of issuing single movement commands to START or STOP (S) the movements of the switch machine in a first direction (extension direction a) or in a direction opposite to the first direction (retraction direction C). Preferably, in order to ensure the safety when a failure occurs, the control panel 10 is further provided with an emergency stop button 150c capable of sending an emergency stop command to stop the action currently performed by the switch machine. As shown in fig. 4, the PLC controller 40 can trigger the relay unit 20 to act accordingly in response to the continuous action command or the single action command, so as to actuate the switch machine to extend or retract. If the scram button 150c is pressed, the PLC controller 40 can disable the relay unit 30 in response to the scram command, causing the switch machine to stop the current action.
Fig. 3 exemplarily shows a control panel according to another embodiment of the present invention. As shown in fig. 3, the control panel 10 further includes: a set of setting/display units 140, which specifically includes four setting/ display units 140a, 140b, 140c, and 140 d. Each setting/display unit 140a-d may display and/or set a parameter related to the operation of the switch machine, such as any one of the operation current of the switch machine, the operation time, the interval time between successive operations, and the number of operations during a successive operation. Fig. 3 is merely an example, and the number and contents of the setting display units 140 may be set according to actual needs. Each setting/display unit 140 may include, for example: a display window 142 for displaying the actual values of the parameters related to the measured switch machine actions, and a set of setting buttons 144 comprising at least one setting key (square keys) and at least one adjusting key (arrow keys) for adjusting and setting the corresponding parameters. Preferably, the display window in the setting/display unit 140 includes, for example, an LED display screen or an LCD display screen.
Furthermore, as shown in fig. 4, the testing apparatus further includes at least one parameter setting/detecting circuit 50 for setting/detecting a parameter related to the testing operation of the switch machine 90, such as any one of the above-mentioned operating current, operating time, interval time between successive operations, and number of operations during successive operations of the switch machine. The parameter setting/detecting circuit 50 is connected to the PLC controller 40. The PLC controller 40 can transmit data from the parameter setting/detecting circuit 50 to the setting/displaying unit 140 on the control panel 10 for display, and can transmit a set value from the setting/displaying unit 140 to the parameter setting/detecting circuit 50 to realize parameter setting.
Adopt the utility model provides a test equipment can carry out the wiring inspection through distribution detection circuitry to the goat of different line systems. The switch machine can be operated and/or run-in tested only after the wiring connection is correct. Furthermore, the test equipment may provide an indication of whether the wiring test is correct or not under different wiring schemes. Preferably, the test device of the present invention facilitates running-in tests of the switch machine, for example providing single action, continuous action and emergency stop control functions. Meanwhile, the test equipment can also set, detect and display various parameters related to the operation of the switch machine so as to facilitate the operation and visual observation of an operator. More preferably, the utility model provides a test equipment is owing to used the PLC controller as central processing unit, and this test equipment can be according to the nimble test mode of setting for of electric circuit condition of goat, and its adaptability and scalability are stronger
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, but not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (8)
1. Test equipment (1) for testing a switch machine to be tested, comprising:
a control panel (10) for human-computer interaction, the control panel comprising:
a master control button (110) capable of sending a master control start instruction for starting the test of the switch machine to be tested;
a wiring detection display panel (120) including fault indicator lamps (122) for indicating whether the wiring connection of the switch machine under test is correct;
a wiring detection enable button (130) capable of issuing a wiring detection enable command for providing low voltage direct current for detecting wiring connection of the switch machine to be detected;
-a relay unit (20) connectable to said switch machine under test (90) for starting or stopping the action of said switch machine under test;
a wiring detection circuit (30) having a plurality of groups of test terminals for different wiring systems, said test terminals being connectable to predetermined wiring detection points on said switch machine under test for detecting whether the wiring connection is correct;
a PLC controller (40) connected to the control panel (10), the relay unit (20), and the wiring detection circuit (30),
wherein the PLC controller (40) is configured to enable the test equipment in response to a general control instruction from the control panel (10);
a malfunction indicator lamp (122) in a wiring detection display panel (120) on the control panel (10) is illuminated in response to a wiring error signal from the wiring detection circuit (30).
2. The test apparatus of claim 1, further comprising:
a power module (60) capable of providing a DC power output and connected to the PLC controller (40);
wherein the PLC controller (40) is configured to conduct an electrical connection between the power supply module (60) and the wiring detection circuit (30) in response to an enable signal from the wiring detection enable button (130).
3. The test apparatus of claim 1,
the control panel (10) further comprises:
at least one setting/display unit (140), each for displaying and/or setting a parameter related to the movement of the switch machine under test;
the test apparatus further comprises:
at least one parameter setting/detecting circuit (50) connected to the PLC controller (40) for setting/detecting the parameters related to the action of the switch machine under test.
4. The test apparatus according to claim 3, wherein each of the setting/display units (140) comprises:
-a display window (142) for displaying the actual measured values of said parameters relating to the action of said switch machine under test;
a set of setting buttons (144) comprising at least one setting key and at least one adjustment key to adjust and set the parameters.
5. The test apparatus of claim 1,
the control panel (10) further comprises:
a first set of control buttons (150a) able to issue successive movement commands to start or stop the successive movement of the point machine under test; and/or
A second set of operating buttons (150b) able to issue a single action command to start or stop the action of the switch machine under test in a first direction or a single action in a direction opposite to the first direction;
the PLC controller (40) is capable of enabling the relay unit (20) in response to the continuous action command or the single action command.
6. The test apparatus of claim 1,
the control panel (10) further comprises an emergency stop button (150c) for sending an emergency stop command;
the PLC controller (40) is capable of disabling the relay unit (20) in response to the emergency stop command, causing the switch machine under test to stop action.
7. The test apparatus of claim 3,
the display window in the setting/display unit (140) comprises an LED display screen or an LCD display screen.
8. The test apparatus of claim 1,
the wiring detection display panel (120) also includes a wiring indicator light (124) for indicating the wiring operating condition during operation of the switch machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774007.XU CN211926949U (en) | 2020-05-11 | 2020-05-11 | Testing equipment of point switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774007.XU CN211926949U (en) | 2020-05-11 | 2020-05-11 | Testing equipment of point switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211926949U true CN211926949U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020774007.XU Active CN211926949U (en) | 2020-05-11 | 2020-05-11 | Testing equipment of point switch |
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| CN (1) | CN211926949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339793A (en) * | 2020-11-16 | 2021-02-09 | 通号城市轨道交通技术有限公司 | Reverse cutting system of point switch |
| CN113251970A (en) * | 2021-04-30 | 2021-08-13 | 西安铁路信号有限责任公司 | On-line detection method for abrasion loss of switch machine locking surface |
-
2020
- 2020-05-11 CN CN202020774007.XU patent/CN211926949U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339793A (en) * | 2020-11-16 | 2021-02-09 | 通号城市轨道交通技术有限公司 | Reverse cutting system of point switch |
| CN113251970A (en) * | 2021-04-30 | 2021-08-13 | 西安铁路信号有限责任公司 | On-line detection method for abrasion loss of switch machine locking surface |
| CN113251970B (en) * | 2021-04-30 | 2023-09-12 | 西安铁路信号有限责任公司 | Online detection method for wear amount of locking surface of switch machine |
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