CN112298221A - Rail vehicle and equipment box cabinet door falling prevention device thereof - Google Patents
Rail vehicle and equipment box cabinet door falling prevention device thereof Download PDFInfo
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- CN112298221A CN112298221A CN201910689152.XA CN201910689152A CN112298221A CN 112298221 A CN112298221 A CN 112298221A CN 201910689152 A CN201910689152 A CN 201910689152A CN 112298221 A CN112298221 A CN 112298221A
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- cabinet door
- equipment box
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- 230000002265 prevention Effects 0.000 title claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a rail vehicle and an equipment box cabinet door falling-off prevention device thereof, wherein: the cabinet door is locked on the equipment box body through a door fastening device; the feedback switch acquires whether the door fastening device locks the cabinet door on the equipment box body; when the feedback switch detects that the door fastening device does not lock the cabinet door on the equipment box body, the feedback switch sends a cabinet door not-closing signal, and the control unit receives the cabinet door not-closing signal sent by the feedback switch and then warns that the device is in a first state; and/or when the feedback switch detects that the door fastening device locks the cabinet door on the equipment box body, the feedback switch sends a cabinet door closing signal, and after the control unit receives the cabinet door closing signal sent by the feedback switch, the warning device is in the second state. Whether acquire the cabinet door locking on the equipment box through feedback switch, the information feedback that will acquire is used for reminding the driver's cabin to the control unit, guarantees the condition that can in time obtain the cabinet door in the driver's cabin, improves the security, avoids the risk that the cabinet door drops.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a railway vehicle and a device for preventing a cabinet door of an equipment box of the railway vehicle from falling off.
Background
The bottom of the carriage of the existing rail transit vehicle is often provided with electrical equipment (such as a converter cabinet, a high-voltage box and the like). These under-vehicle devices are convenient for installation and maintenance of devices inside the box body, and a maintenance cabinet door or a cover plate is often required to be arranged on the box body. These doors are usually secured to the cabinet by a plurality of locks. When the vehicle is driven on the track, if the door can have the risk of dropping because of the lock failure, the driving safety is seriously influenced.
In order to prevent falling off, the door structure of the under-vehicle equipment cabinet body in the current market generally adopts modes such as adding an anti-falling mechanical device, using a locking fastener, binding an iron wire and the like, but the passive modes can not timely feed back abnormal information of the door to remind a user, and driving safety is seriously influenced.
Therefore, how to provide a device for preventing the cabinet door of the equipment box from falling off and feed back the falling-off information of the cabinet door in time is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of this, the invention aims to provide a device for preventing a cabinet door of an equipment box from falling off, which feeds back cabinet door falling-off information in time. The invention also aims to provide a railway vehicle with the device for preventing the cabinet door of the equipment box from falling off.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an equipment box prevents cabinet door device that drops prevents that cabinet door from droing from the equipment box, a serial communication port, including door fastener, feedback switch, the control unit and warning device, wherein:
the cabinet door is locked on the equipment box body through the door fastening device;
the feedback switch acquires whether the door fastening device locks the cabinet door on the equipment box body;
when the feedback switch detects that the door fastening device does not lock the cabinet door on the equipment box body, the feedback switch sends a cabinet door not-closed signal, and the warning device is in a first state after the control unit receives the cabinet door not-closed signal sent by the feedback switch; and/or when the feedback switch detects that the door fastening device locks the cabinet door on the equipment box body, the feedback switch sends a cabinet door closing signal, and after the control unit receives the cabinet door closing signal sent by the feedback switch, the warning device is in a second state.
Preferably, in the device for preventing the cabinet door of the equipment box from falling off, the door fastening device is a door lock with a bolt, and when the door lock is locked, the bolt of the door lock is in a locking contact range inside the equipment box body;
the feedback switch obtains whether the cabinet door is locked on the equipment box body by acquiring whether the lock tongue is in the locking contact range, when the lock tongue is in the locking contact range, the cabinet door is locked on the equipment box body, and when the lock tongue is not in the locking range, the cabinet door is not locked on the equipment box body.
Preferably, in the above device for preventing the cabinet door of the equipment box from falling off, the feedback switch and the control unit are integrated and fixed inside the equipment box.
Preferably, in the device for preventing the cabinet door of the equipment box from falling off, the warning device is a warning lamp,
when the control unit receives a cabinet door not-closed signal sent by the feedback switch and then controls the first circuit of the warning lamp to be conducted, the warning lamp is turned on;
and/or when the control unit receives a cabinet door closing signal sent by the feedback switch and then controls the second circuit of the warning lamp to be switched on, the warning lamp is turned on or turned off.
Preferably, in the device for preventing the cabinet door of the equipment cabinet from falling off, the warning device is an alarm bell, the control unit controls the on-off of a circuit of the alarm bell,
when the alarm bell is in a first state, the alarm bell circuit is conducted to give an alarm sound; when the alarm bell is in the second state, the alarm bell circuit is open.
Preferably, in the device for preventing the cabinet door from falling off from the equipment box, the feedback switch is a proximity switch.
Preferably, the device for preventing the cabinet door of the equipment box from falling off further comprises a detector for acquiring information whether the vehicle is in a running state, and when the detector detects that the vehicle is in the running state, the detector sends a signal to the control unit, and the control unit controls the feedback switch to be started after receiving the signal that the vehicle is in the running state.
Preferably, in the above device for preventing the cabinet door of the equipment box from falling off, the detector is a speed detector for detecting a wheel rotation speed of the vehicle, and the detector sends a vehicle running signal to the control unit when detecting that the wheel rotation speed is not zero.
The rail vehicle comprises a device for preventing a cabinet door of an equipment box from falling off, wherein the device for preventing the cabinet door of the equipment box from falling off is any one of the devices for preventing the cabinet door of the equipment box from falling off.
According to the technical scheme, the device for preventing the cabinet door of the equipment box from falling off prevents the cabinet door from falling off the equipment box body, whether the fastening device completes locking or not is acquired through the feedback switch, and the acquired information is fed back to the control unit to remind a cab, so that the condition that the cabinet door can be obtained in the vehicle cab in time is ensured, the safety is improved, and the risk that the cabinet door falls off is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an apparatus box cabinet door falling prevention device disclosed in the embodiment of the invention;
fig. 2 is a partial view in the direction a of fig. 1.
Detailed Description
In view of the above, the core of the invention is to disclose a device for preventing a cabinet door of an equipment box from falling off, which feeds back cabinet door falling-off information in time. The invention also discloses a rail vehicle with the device for preventing the cabinet door of the equipment box from falling off.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the invention discloses a device for preventing a cabinet door of an equipment box from falling off, which is used for reminding a driver cab to prevent a cabinet door 3 from falling off from an equipment box body 1 and comprises a door fastening device, a feedback switch 2, a control unit 5 and a warning device. The cabinet door 3 is mounted on the equipment box body 1 through a door fastening device, and the feedback switch 2 is used for acquiring whether the cabinet door 3 is locked on the equipment box body 1 by the door fastening device; when the feedback switch 2 detects that the door fastening device does not lock the cabinet door 3 on the equipment box body 1, the feedback switch 2 sends a signal that the cabinet door 3 is not closed, and after the control unit 5 receives the signal that the cabinet door 3 is not closed and sent by the feedback switch 2, the warning device is in a first state; and/or when the feedback switch 2 detects that the door fastening device locks the cabinet door 3 on the equipment box body 1, the feedback switch 2 sends a closing signal of the cabinet door 3, and after the control unit 5 receives the closing signal of the cabinet door 3 sent by the feedback switch 2, the warning device is in the second state. The core of this application lies in, acquires the locking relation of cabinet door 3 and equipment box 1 through feedback switch 2 to the information feedback that will acquire is used for reminding the driver's cabin to control unit 5, in order to guarantee that can in time obtain the condition of cabinet door 3 in the vehicle driver's cabin, improves the security, avoids the risk that cabinet door 3 drops.
In a specific embodiment, the door fastening device is a door lock 4 having a bolt 6, and when the door lock 4 is locked, the bolt 6 of the door lock 4 is located in a locking contact range (an area M in the drawing) inside the equipment box 1; the feedback switch 2 is used for acquiring whether the bolt 6 is in a locking contact range, and when the feedback switch 2 detects that the bolt 6 is not in the locking contact range, the feedback switch 2 sends a signal that the cabinet door 3 is not closed, and the control unit 5 receives the signal that the cabinet door 3 is not closed and sent by the feedback switch 2, and then the warning device is in a first state; and/or when the feedback switch 2 detects that the bolt 6 is in the locking contact range, the feedback switch 2 sends a closing signal of the cabinet door 3, and after the control unit 5 receives the closing signal of the cabinet door 3 sent by the feedback switch 2, the warning device is in the second state.
Normally, the bolt 6 of the door lock 4 needs to be ensured to be in a locking contact range, so that the cabinet door 3 and the equipment box body 1 are locked. The feedback switch 2 detects the position of the bolt 6 to obtain whether the door lock 4 is locked, when the feedback switch 2 detects that the bolt 6 is not in a locking contact range, the feedback switch 2 sends a signal that the cabinet door 3 is not closed to the control unit 5, and when the control unit 5 receives the signal that the cabinet door 3 is not closed, the control unit controls the warning device to be in a first state to remind a driver's cabin that the cabinet door 3 is not closed; in practice, when the feedback switch 2 detects that the bolt 6 is in the locking contact range, the cabinet door 3 closing signal is sent to the control unit 5, and the control unit 5 receives the cabinet door 3 closing signal and then controls the warning device to be in the second state to remind the cab cabinet door 3 to be in the closed state. The core of this application lies in, whether acquire lock 4 through feedback switch 2 and accomplish the locking to the information feedback that will acquire is used for reminding the driver's cabin to the control unit 5, in order to guarantee that can in time obtain the condition of cabinet door 3 in the vehicle driver's cabin, improves the security, avoids the risk that cabinet door 3 drops.
Still can be the bolt to door fastener, realize the locking of cabinet door 3 and equipment box 1 through the bolt promptly, in practice, then need the position that feedback switch 2 detected the bolt in order to acquire whether the locking of cabinet door 3 is on equipment box 1. The door fastening devices can be of different types according to different requirements and are all within the protection range.
In a specific embodiment, the feedback switch 2 and the control unit 5 are integrated and fixed in the apparatus casing 1, and the control unit 5 is disposed near the latch 6. All through signal connection between feedback switch 2, the control unit 5 in this application and the warning device to realize the transmission of signal. In practice, the feedback switch 2 and the control unit 5 may not be integrated, but may be separate components and fixed inside the apparatus casing 1, and the specific arrangement of the control unit 5 and the feedback switch 2 is not limited in detail.
In a preferred embodiment, the warning device is set as a warning lamp, specifically, when the control unit 5 receives a signal that the cabinet door 3 sent by the feedback switch 2 is not closed, the first circuit of the warning lamp is controlled to be turned on, and the warning lamp lights a red light; and/or when the control unit 5 receives a closing signal of the cabinet door 3 sent by the feedback switch 2 and then controls the second circuit of the warning lamp to be switched on, the warning lamp is turned on or turned off.
Whether suggestion cabinet door 3 is closed is realized through the difference of warning light colour or luminance. Because the colour or the luminance difference that adopt the warning light during different states embody, for current means, and the core of this application lies in the application of warning light equipment box anti-cabinet door device that drops under the car, consequently, is prior art to the connected mode of the first circuit of warning light and second circuit, does not describe here in detail.
In another embodiment, the alarm device is set as an alarm bell, and the control unit 5 controls the on/off of the circuit of the alarm bell to realize different states of the alarm device. Specifically, when the alarm bell is in the first state, the circuit of the alarm bell is conducted and gives an alarm sound to remind that the cab cabinet door 3 is not closed; when the alarm bell is in the second state, the alarm bell circuit is disconnected and no alarm sound is emitted.
The feedback switch 2 disclosed in the present application is a proximity switch. The proximity switch is a position switch which can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch reaches an action distance, the switch can be actuated without mechanical contact and any pressure. When the locking mechanism works, the range of the induction surface of the proximity switch is overlapped with the locking contact range, and when the bolt 6 is in the locking contact range, the proximity switch is triggered to act and send a signal to the control unit 5. In practice, other detection devices capable of detecting the position of the lock tongue 6 can be adopted and are all in a protection range.
In a further embodiment, the device for preventing the cabinet door of the equipment box from falling off further comprises a detector for acquiring information whether the vehicle is in a running state, the detector sends a signal to the control unit 5 when detecting that the vehicle is in the running state, and the control unit 5 controls the feedback switch 2 to be started after receiving the signal that the vehicle is in the running state so as to acquire information whether the cabinet door 3 is closed. So set up, can realize detecting whether cabinet door 3 closes at the vehicle in-process of traveling to guarantee driving safety. In practice, it can also be checked whether the vehicle is running or not, in order to ensure that the cabinet door 3 is closed.
The detector in the present application is a speed detector for detecting the rotational speed of the wheel of the vehicle, and the detector sends a vehicle running signal to the control unit when detecting that the rotational speed of the wheel is not zero. In practice, other parameters can be selected as the parameters for the vehicle to run, and are all within the protection range.
In addition, this application still discloses a rail vehicle, and it includes that the equipment box prevents that the cabinet door drops the device, and this equipment box prevents that the cabinet door drops the device and prevents that the cabinet door drops the device for the equipment box that the above-mentioned embodiment is disclosed and prevent that the cabinet door drops the device, consequently, the rail vehicle who has this equipment box and prevents that the cabinet door drops the device also has all above-mentioned technological effects, and no longer the repeated description herein one by one.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides an equipment box prevents cabinet door device that drops prevents that cabinet door from droing from the equipment box, a serial communication port, including door fastener, feedback switch, the control unit and warning device, wherein:
the cabinet door is locked on the equipment box body through the door fastening device;
the feedback switch acquires whether the door fastening device locks the cabinet door on the equipment box body;
when the feedback switch detects that the door fastening device does not lock the cabinet door on the equipment box body, the feedback switch sends a cabinet door not-closed signal, and the warning device is in a first state after the control unit receives the cabinet door not-closed signal sent by the feedback switch; and/or when the feedback switch detects that the door fastening device locks the cabinet door on the equipment box body, the feedback switch sends a cabinet door closing signal, and after the control unit receives the cabinet door closing signal sent by the feedback switch, the warning device is in a second state.
2. The device for preventing the cabinet door of the equipment box from falling off as claimed in claim 1, wherein the door fastening device is a door lock with a bolt, and when the door lock is locked, the bolt of the door lock is in a locking contact range inside the equipment box body;
the feedback switch obtains whether the cabinet door is locked on the equipment box body by acquiring whether the lock tongue is in the locking contact range, when the lock tongue is in the locking contact range, the cabinet door is locked on the equipment box body, and when the lock tongue is not in the locking range, the cabinet door is not locked on the equipment box body.
3. The device for preventing the cabinet door of the equipment cabinet from falling off according to claim 1, wherein the feedback switch and the control unit are integrated into a whole and fixed inside the equipment cabinet.
4. The device for preventing the cabinet door of the equipment cabinet from falling off according to claim 1, wherein the warning device is a warning lamp,
when the control unit receives a cabinet door not-closed signal sent by the feedback switch and then controls the first circuit of the warning lamp to be conducted, the warning lamp is turned on;
and/or when the control unit receives a cabinet door closing signal sent by the feedback switch and then controls the second circuit of the warning lamp to be switched on, the warning lamp is turned on or turned off.
5. The device for preventing the cabinet door of the equipment cabinet from falling off as claimed in claim 1, wherein the warning device is an alarm bell, the control unit controls the on-off of a circuit of the alarm bell,
when the alarm bell is in a first state, the alarm bell circuit is conducted to give an alarm sound; when the alarm bell is in the second state, the alarm bell circuit is open.
6. The device for preventing the cabinet door of the equipment cabinet from falling off according to claim 1, wherein the feedback switch is a proximity switch.
7. The device for preventing the cabinet door of the equipment cabinet from falling off according to any one of claims 1 to 6, further comprising a detector for acquiring information on whether the vehicle is in a running state, wherein when the detector detects that the vehicle is in the running state, the detector sends a signal to the control unit, and the control unit controls the feedback switch to be started after receiving the signal that the vehicle is in the running state.
8. The device for preventing the cabinet door of the equipment cabinet from falling off according to claim 7, wherein the detector is a speed detector for detecting the rotation speed of wheels of a vehicle, and the detector sends a vehicle running signal to the control unit when detecting that the rotation speed of the wheels is not zero.
9. A rail vehicle, characterized by comprising an equipment box cabinet door falling prevention device under the vehicle, wherein the equipment box cabinet door falling prevention device is the equipment box cabinet door falling prevention device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910689152.XA CN112298221A (en) | 2019-07-29 | 2019-07-29 | Rail vehicle and equipment box cabinet door falling prevention device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910689152.XA CN112298221A (en) | 2019-07-29 | 2019-07-29 | Rail vehicle and equipment box cabinet door falling prevention device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112298221A true CN112298221A (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910689152.XA Pending CN112298221A (en) | 2019-07-29 | 2019-07-29 | Rail vehicle and equipment box cabinet door falling prevention device thereof |
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| CN (1) | CN112298221A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264899A (en) * | 1978-09-01 | 1981-04-28 | Menzies John I | Portable alarm for entry detection |
| CN202126743U (en) * | 2011-06-29 | 2012-01-25 | 山东亿玛信诺电气有限公司 | Door-opening alarm device of electric control cabinet |
| CN108122367A (en) * | 2017-12-04 | 2018-06-05 | 中铁第四勘察设计院集团有限公司 | A kind of protective door dropping-alarming system |
| JP6376696B2 (en) * | 2014-12-19 | 2018-08-22 | 東洋電機製造株式会社 | Underfloor equipment for railway vehicles |
| JP6401944B2 (en) * | 2014-06-18 | 2018-10-10 | 近畿車輌株式会社 | Railway vehicle |
| CN108749822A (en) * | 2018-05-28 | 2018-11-06 | 中车株洲电力机车有限公司 | Rail vehicle screen cabinet and rail vehicle |
| CN208360170U (en) * | 2018-06-20 | 2019-01-11 | 南京志卓电子科技有限公司 | Equipment chamber door anti-drop device under a kind of city rail vehicle vehicle |
-
2019
- 2019-07-29 CN CN201910689152.XA patent/CN112298221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264899A (en) * | 1978-09-01 | 1981-04-28 | Menzies John I | Portable alarm for entry detection |
| CN202126743U (en) * | 2011-06-29 | 2012-01-25 | 山东亿玛信诺电气有限公司 | Door-opening alarm device of electric control cabinet |
| JP6401944B2 (en) * | 2014-06-18 | 2018-10-10 | 近畿車輌株式会社 | Railway vehicle |
| JP6376696B2 (en) * | 2014-12-19 | 2018-08-22 | 東洋電機製造株式会社 | Underfloor equipment for railway vehicles |
| CN108122367A (en) * | 2017-12-04 | 2018-06-05 | 中铁第四勘察设计院集团有限公司 | A kind of protective door dropping-alarming system |
| CN108749822A (en) * | 2018-05-28 | 2018-11-06 | 中车株洲电力机车有限公司 | Rail vehicle screen cabinet and rail vehicle |
| CN208360170U (en) * | 2018-06-20 | 2019-01-11 | 南京志卓电子科技有限公司 | Equipment chamber door anti-drop device under a kind of city rail vehicle vehicle |
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Application publication date: 20210202 |