CN206734168U - A kind of door switch and the refrigerator car with the door switch - Google Patents
A kind of door switch and the refrigerator car with the door switch Download PDFInfo
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- CN206734168U CN206734168U CN201621425934.0U CN201621425934U CN206734168U CN 206734168 U CN206734168 U CN 206734168U CN 201621425934 U CN201621425934 U CN 201621425934U CN 206734168 U CN206734168 U CN 206734168U
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- inductor
- door switch
- door
- switch
- compartment
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Abstract
The utility model discloses a kind of door switch, and the refrigerator car with the door switch, the door switch include approach switch sensor, ceiling light in interface unit and the railway carriage or compartment being connected with approach switch sensor by interface unit；Wherein, approach switch sensor includes the first inductor and the second inductor, first inductor is fixed in the door body of carriage body, second inductor is fixed on the carriage body side relative with door body and is arranged at intervals with the first inductor, second inductor is used to control the second inductor closed in itself or disconnection according to the distance between the first inductor and the second inductor, and when the second inductor closed in itself, ceiling light forms closed-loop path to control the unlatching of ceiling light in railway carriage or compartment and produce induced signal in second inductor, interface unit and railway carriage or compartment.According to the utility model door switch, the opening and closing of ceiling light in railway carriage or compartment can be automatically controlled.
Description
Technical field
It the utility model is related to technical field of vehicle, more particularly to a kind of door switch and the refrigeration with the door switch
Car.
Technical background
City can typically arrange ceiling light in railway carriage or compartment in commodity logistic car compartment, be used to illuminate when light is bad.Market at present
Upper application is hand switch, is typically located in the side wall at back door.When needing to open ceiling light in railway carriage or compartment, driver needs hand
Dynamic to open switch, manual off switch, the operation to driver are made troubles again after the completion of operation, forget to close ceiling light sometimes
Switch, causes unnecessary waste.To solve problem above, it is necessary to a kind of convenient, practical, reliable door switch.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.Therefore,
The door switch that ceiling light opens and closes in refrigerator carriage is automatically controlled the utility model proposes a kind of.
According to heat-insulated carriage body door switch of the present utility model, including approach switch sensor, interface unit and pass through institute
State ceiling light in the railway carriage or compartment that interface unit is connected with the approach switch sensor；Wherein, the approach switch sensor includes first
Inductor and the second inductor, first inductor are fixed in the door body of the carriage body, and second inductor is fixed on
It is arranged at intervals on the carriage body side relative with the door body and with first inductor, second inductor is used for root
The second inductor closed in itself or disconnection are controlled according to the distance between first inductor and second inductor, with
And when the second inductor closed in itself, second inductor, ceiling light is formed and closed in the interface unit and the railway carriage or compartment
Loop is closed to control the unlatching of ceiling light in the railway carriage or compartment and produce induced signal.
Preferably, second inductor is used for when the distance between first inductor and second inductor are big
When apart from preset value, the second inductor closed in itself is controlled；And
When the distance between first inductor and second inductor are equal to or less than apart from preset value, control
Second inductor itself disconnects.
Preferably, the door switch includes the support being fixed on the back door of the casing, and first inductor is consolidated
Due on the support.
Preferably, the door switch includes the cushion pad being arranged between first inductor and the support, institute
Cushion pad is stated to be fixed on the support.
Preferably, first inductor is permanent magnet.
Preferably, second inductor is normally open reed switch
Preferably, the interface unit includes door switch wire harness and chassis wire harness.
According to door switch of the present utility model, using the second inductor as contactor, the second inductor, interface unit
Closed-loop path is formed with ceiling light in railway carriage or compartment, the first inductor is fixed in door body, the second inductor is fixed on relative with door body
It is arranged at intervals on carriage body side and with the first inductor, when door is turned on and off, the first inductor and the second sensing can be changed
The distance between device, the second inductor are used to control the second inductor according to the distance between the first inductor and the second inductor
Closed in itself or disconnection, the opening and closing of ceiling light in railway carriage or compartment are automatically controlled with realizing.
The utility model also provides a kind of refrigerator car, and it includes above-mentioned door switch.
The refrigerator car also includes CAN communication system, car body controller, electronic controller, battery management system, power supply and turned
Parallel operation, frequency converter and refrigeration unit, the power supply changeover device and the frequency converter are connected with the refrigeration unit respectively, described
CAN communication system is connected with the door switch with the car body controller respectively, the car body controller and the electronics control
Device connection processed, the battery management system are connected with the electronic controller and the refrigeration unit respectively.
The refrigerator car also includes top plate fan, the electronic controller respectively with the power supply changeover device, the frequency conversion
Device connects with the top plate fan.
According to refrigerator car of the present utility model, its door switch using the second inductor as contactor, the second inductor,
Ceiling light forms closed-loop path in interface unit and railway carriage or compartment, the first inductor is fixed in door body, the second inductor is fixed on and door
On the carriage body side of body phase pair and with the first inductor be arranged at intervals, when door is turned on and off, can change the first inductor and
The distance between second inductor, the second inductor are used for according to the distance between the first inductor and the second inductor control the
Two inductor closed in itselfs or disconnection, the opening and closing of ceiling light in railway carriage or compartment are automatically controlled with realizing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model door switch.
Fig. 2 is the side view of the utility model door switch.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
The door switch of the utility model embodiment is described in detail with reference to the accompanying drawings.
As shown in figure 1, the utility model provides a kind of door switch, including approach switch sensor, interface unit and logical
Cross ceiling light in the railway carriage or compartment that interface unit is connected with approach switch sensor.
Specifically, as depicted in figs. 1 and 2, approach switch sensor includes the first inductor 1 and the second inductor 2, and first
Inductor 1 is fixed in the door body of carriage body, and the second inductor 2 is fixed on the carriage body side relative with door body and sensed with first
Device 1 is arranged at intervals, and the second inductor 2 is used for according to the sensing of the distance between the first inductor 1 and the second inductor 2 control second
The closed in itself of device 2 or disconnection, and when the second 2 closed in itself of inductor, ceiling light in the second inductor 2, interface unit and railway carriage or compartment
（Not shown in figure）Closed-loop path is formed to control the unlatching of ceiling light in railway carriage or compartment and produce induced signal.
In specific implementation, the first inductor 1 is fixed on the back door of carriage body, and the second inductor 2 is fixed on and back door phase
To carriage body side on and be arranged at intervals with first inductor 1.That is, when back door closes, the He of the first inductor 1
The distance between second inductor 2 minimum, when back door is opened completely, the distance between the first inductor 1 and the second inductor 2
It is maximum.
In specific implementation, the second inductor 2 is additionally operable to when the distance between the first inductor 1 and the second inductor 2 are big
When apart from preset value, the closed in itself of the second inductor 2 is controlled, now the closed in itself of the second inductor 2, the second inductor 2, connected
Connect ceiling light in device and railway carriage or compartment and form closed-loop path to control the unlatching of ceiling light in railway carriage or compartment and produce induced signal.
Second inductor 2 is additionally operable to when the distance between the first inductor 1 and the second inductor 2 are equal to or less than distance in advance
If during value, control the second inductor 2 itself is disconnected to control the closing of ceiling light in railway carriage or compartment, and now the second inductor 2 itself disconnects, the
Ceiling light can not form closed-loop path in two inductors 2, interface unit and railway carriage or compartment, then also can not just produce induced signal.
Thus, by the way that the first inductor is fixed on back door, the second inductor is fixed on the inside of carriage body, the first sensing
Device and the second inductor are arranged at intervals, and when back door is turned on and off, can be changed between the first inductor and the second inductor
Distance, when the distance of the first inductor and the second inductor is more than pre-determined distance, contactor conducting is can control, when the first sense
When answering the distance of device and the second inductor to be equal to or less than pre-determined distance, it can control contactor to disconnect, finally realize in railway carriage or compartment
The automatic control function of the opening and closing of ceiling light.
It will be appreciated by persons skilled in the art that in various kinds of sensors, there is a kind of object to close to it to have " sense
Know " element --- the displacement transducer of ability.This kind of sensor need not touch object to be detected, and displacement is shifted to when there is object
Sensor, and when being close to certain distance, displacement transducer just has " perception ", and generally this distance is named " detection distance ".Profit
It is exactly proximity switch with displacement transducer to the switch made close to the sensitivity characteristic of object.First inductor is as detected
Object, the second inductor are the switch to the sensitivity characteristic making close to object, the first inductor and the using displacement transducer
Two inductors, which collectively form, to be sensed according to the proximity switch of the first inductor and the distance controlling switch on and off of the second inductor
Device.
In specific implementation, the first inductor 1 and the second inductor 2 are formed by injection molding packaging, waterproof antidetonation, protection
Grade reaches IP67, low temperature resistant, and heatproof section is -40 DEG C~75 DEG C, thus, door switch waterproof, low-temperature resistance, anti-vibration.It is preferred that
Ground, the first inductor 1 are permanent magnet, and the second inductor 2 is normally open reed switch.
It is understood that tongue tube is the yellow switch of magnetic, it is an electric switch for passing through applied magnetic field operation, substantially
Pattern is that two panels magnetic red piece is sealed in glass tube, though two panels is overlapping, middle ware is separated with a small space.Extraneous magnetic field will make
Two panels magnetic switch jaw contact, and then turn on.Once magnet is pulled to will return to the position of its original away from switch, magnetic reed switch.
The effect of reed quite with a magnetic flux conductors.When not yet operating, two panels reed and not in contact with；Passing through permanent magnet or electricity
Caused by magnetic coil during magnetic field, additional magnetic field makes two panels reed endpoint location nearby produce different polarity, when magnetic force exceedes
During reed elastic force in itself, this two panels reed can adhesive turning circuit；After field weakening or disappearance, dry reed due to itself
Elasticity and discharge, contacting surface will be separated so as to open circuit.In addition, changeable reed is connect with normally closed at no magnetic field
Touch, when the magnetic field of sufficient intensity produces, the reed can shift to normally opened, and normally opened is all fixed with normally closed.
This two stator and the reed of swingable switching are ferromagnetic sheet, and simply normally closed dry reed contact surface part is by non magnetic
Metal fusion welding on dry reed.When being placed under magnetic field, both sides positioned at normally opened with normally closed stator tool identical polar, and and
Swingable reed opposite polarity, the nonmagnetic metal of normal-closed end can isolate magnetic flux, therefore when between normally opened end and swingable reed
Magnetic force it is enough big when, swing reed will be with normally opened contact closure.
In a particular embodiment, when carriage back door is closed, permanent magnet should disconnect close to tongue tube, circuit, compartment
Ceiling light is closed, and when carriage back door is opened, permanent magnet should be connected away from tongue tube, circuit, and roof light is opened, changeable
Reed, when magnetic field is strong, reed shifts to normally opened, when magnetic field is weak, and reed shifts to normally closed, therefore, normally closed with reed conduct
Switch, which is linked into circuit, is used as contactor.
Thus, using tongue tube as contactor, ceiling light forms closure in tongue tube, switch wire harness, chassis wire harness and railway carriage or compartment
Loop, by the way that permanent magnet is fixed on back door, tongue tube is fixed on the inside of carriage body, permanent magnet is set with tongue tube interval
Put, when back door is turned on and off, the distance between permanent magnet and tongue tube can be changed, when permanent magnet and tongue tube away from
During from more than pre-determined distance, normally closed of tongue tube and switch jaw contact, circuit turn-on, when distance of permanent magnet and tongue tube etc.
When less than pre-determined distance, normally closed of tongue tube separates with reed, and circuit disconnects, finally realize unlatching to ceiling light in railway carriage or compartment with
The automatic control function of closing.
Alternatively, pre-determined distance can be 10mm.That is, the distance of the first inductor 1 and the second inductor 2 is more than
During 10mm, its own closure of the second inductor 2 is with control circuit switch conduction；The distance of first inductor 1 and the second inductor 2
During equal to or less than 10mm, its own disconnection of the second inductor 2 is switched off with control circuit.
It is understood that door switch operation principle is not limited to dry-reed, using hall principle or RPID principles
Door switch also realizes automatic control function.
In specific implementation, interface unit is automotive wire bundle, including switch wire harness 3 and chassis wire harness, and switch wire harness 3 connects up
On the inside of carriage body, chassis harness wiring is on vehicle chassis.Using the second inductor as contactor, the second inductor, switch
Ceiling light forms closed-loop path in wire harness, chassis wire harness and railway carriage or compartment, by the way that the first inductor is fixed on back door, by the second inductor
It is fixed on the inside of carriage body, the first inductor and the second inductor are arranged at intervals, and when back door is turned on and off, can change the first sense
The distance between device and the second inductor are answered, it is controllable when the distance of the first inductor and the second inductor is more than pre-determined distance
Contactor conducting processed, when the distance of the first inductor and the second inductor is equal to or less than pre-determined distance, can control circuit
Switch off, the final automatic control function realized to the opening and closing of ceiling light in railway carriage or compartment.
Further, as depicted in figs. 1 and 2, door switch includes the support 4 being fixed on the back door of carriage body, and support 4 wraps
Fixed block 41, mounting blocks 43 and contiguous block 42 are included, the fixed block 41 is vertically set, and fixed block 41 is solid by bolt 5
Be bonded due on the back door of carriage body and with back door, the mounting blocks 43 are horizontally disposed, the contiguous block 42 respectively with institute
State fixed block 41 and mounting blocks 43 connect, the first inductor 1 is mounted on the mounting blocks 43 by bolt 5.
In addition, as shown in figure 1, door switch also includes being arranged between the first inductor 1 and the mounting blocks 43 of support 4
Cushion pad（Not shown in figure）, cushion pad is fixed on mounting blocks 43, the anti-seismic performance of the setting enhancing door switch of cushion pad.
According to refrigerator car of the present utility model, it includes the door switch of above-described embodiment.
Specifically, the length of the heat-insulated carriage body of refrigerator car is 4145mm, and the width of heat-insulated carriage body is 2025mm, heat-insulated carriage body
Height be 2290mm, as shown in Fig. 2 the second inductor 2 is fixed on the railway carriage or compartment inside ceiling panel of heat-insulated carriage body（Not shown in figure）On, and
Apart from the left plate of heat-insulated carriage body（Not shown in figure）300m, apart from the back door of the heat-insulated carriage body（Not shown in figure）28mm,
Support 4 is fixed on the back door of heat-insulated carriage body, apart from the left plate 300mm of heat-insulated carriage body, the upper plane of support 4, i.e. mounting blocks
43 planes, apart from the top plate 27mm of heat-insulated carriage body.Now, the cable run distance of gate controlled switch is most short.Wherein, from carriage body back door to railway carriage or compartment
The direction of body front end is front to 90 degree to rotate counterclockwise of front is left direction.
Further, in a particular embodiment, refrigerator car also includes CAN communication system, car body controller BCM, electronics control
Device ECU, battery management system BMS, power supply changeover device, frequency converter and refrigeration unit processed, CAN communication system respectively with door switch
Be connected with car body controller BCM, car body controller BCM is connected ECU with electronic controller, battery management system BCM respectively with electricity
Sub-controller ECU connects with refrigeration unit.
Power supply changeover device, frequency converter and refrigeration unit connect, for being powered to refrigeration unit, the input of CAN communication system
End be connected with door switch and receive the second inductor, in interface unit and railway carriage or compartment ceiling light composition closed-loop path induced signal,
The output end of CAN communication system is connected with car body controller BCM input, in car body controller BCM detection CAN communication systems
Induced signal, car body controller BCM output end is connected with electronic controller ECU input, car body controller BCM according to
Induced signal exports detection signal to electronic controller ECU, and electronic controller ECU output end is with battery management system BMS's
Input connects, and electronic controller ECU sends a control signal to battery management system BMS, battery management system according to detection signal
System BMS output end be connected with refrigeration unit, battery management system BMS according to control signal disconnection refrigeration unit relay with
The main contactor of refrigeration unit, and installation group silence signal is fed back to electronic controller ECU.
In a particular embodiment, electronic controller ECU output end connects with power supply changeover device, frequency converter and top plate fan
Connect, electronic controller ECU controls deenergization converter, frequency converter and top plate fan according to upper installation group silence signal
Power supply.
It will be appreciated by persons skilled in the art that the power supply of refrigeration unit includes high voltage supply and low-voltage power supply, power supply
Converter and frequency converter provide high-tension electricity and low tension to refrigeration unit, and battery management system BMS disconnects according to control signal to be made
The relay of cold group is the high voltage supply for disconnecting refrigeration unit, and battery management system BMS control signals disconnect refrigeration unit
Main contactor is the low-voltage power supply for disconnecting refrigeration unit.
Thus, door switch can control the opening and closing of ceiling light in railway carriage or compartment, refrigeration unit and top plate fan simultaneously, when need
When wanting handling goods, back door is opened, automatic to close top plate fan and refrigeration unit, can prevent carriage body inner air and outer air convection current, is reduced
Cold air leaks, and reaches energy-saving.
In addition, door switch is also mountable on side door, or, can be respectively arranged on back door and side door, when back door and
When side door is fitted with door switch, the door switch of back door and side door can be independently arranged, the door switch of back door and side door
It can be arranged in parallel, can equally play automatic control function.
According to refrigerator car of the present utility model, it includes the door switch of above-described embodiment, and its door switch can same time control
The opening and closing of ceiling light, refrigeration unit and top plate fan in railway carriage or compartment processed, when needing handling goods, back door is opened and/or side
Door is opened, and can close top plate fan and refrigeration unit automatically, can prevent carriage body inner air and outer air convection current, is reduced cold air and is leaked, reaches
To energy-saving, in addition, gate controlled switch forms for injection molding packaging, waterproof antidetonation, degree of protection is low temperature resistant up to IP67, resistance to
It is -40 DEG C~75 DEG C between warm area.
Door switch application in the present invention is not limited to refrigerator car, corrugated sheet dry cargo carriage, composite plate dry cargo carriage
Deng van-type vehicle also in protection domain.In the description of this specification, reference term " one embodiment ", " some implementations
The description of example ", " example ", " specific example " or " some examples " etc. means the specific spy for combining the embodiment or example description
Sign, structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, it is right
The schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.In addition, ability
Different embodiments or example described in this specification can be engaged and combined by the technical staff in domain.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Using technical scheme described in the utility model, or those skilled in the art is in technical solutions of the utility model
Under inspiration, similar technical scheme is designed, and reaches above-mentioned technique effect, is to fall into protection model of the present utility model
Enclose.
Claims (10)
1. a kind of door switch of heat-insulated carriage body, it is characterised in that the door switch includes：Approach switch sensor, connection
Ceiling light in device and the railway carriage or compartment being connected with the approach switch sensor by the interface unit；Wherein, the proximity switch passes
Sensor includes the first inductor and the second inductor, and first inductor is fixed in the door body of the carriage body, and described second
Inductor is fixed on the carriage body side relative with the door body and is arranged at intervals with first inductor, described second
Inductor is used to control second inductor itself according to the distance between first inductor and second inductor
Closure disconnects, and when the second inductor closed in itself, second inductor, and the interface unit and the railway carriage or compartment
Interior ceiling light forms closed-loop path to control the unlatching of ceiling light in the railway carriage or compartment and produce induced signal.
2. door switch according to claim 1, it is characterised in that second inductor is used for when the described first sensing
When the distance between device and second inductor are more than apart from preset value, the second inductor closed in itself is controlled；And
When the distance between first inductor and second inductor are equal to or less than apart from preset value, described in control
Second inductor itself disconnects.
3. door switch according to claim 1, it is characterised in that the door switch includes being fixed on the carriage body
Support on back door, first inductor are fixed on the support.
4. door switch according to claim 3, it is characterised in that the door switch includes being arranged at first sense
The cushion pad between device and the support is answered, the cushion pad is fixed on the support.
5. the door switch described in a claim 1, it is characterised in that first inductor is permanent magnet.
6. door switch according to claim 1, it is characterised in that second inductor is normally open reed switch.
7. door switch according to claim 1, it is characterised in that the interface unit includes door switch wire harness and bottom
Disk wire harness.
8. a kind of refrigerator car, it is characterised in that the refrigerator car includes the door switch as described in claim 1-7 is any.
9. refrigerator car according to claim 8, it is characterised in that the refrigerator car also includes CAN communication system, vehicle body control
Device, electronic controller, battery management system, power supply changeover device, frequency converter and refrigeration unit processed, the power supply changeover device and described
Frequency converter is connected with the refrigeration unit respectively, the CAN communication system respectively with the door switch and the Body Control
Device connects, and the car body controller is connected with the electronic controller, the battery management system respectively with the Electronic Control
Device connects with the refrigeration unit.
10. refrigerator car according to claim 9, it is characterised in that the refrigerator car also includes top plate fan, the electronics
Controller is connected with the power supply changeover device, the frequency converter and the top plate fan respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425934.0U CN206734168U (en) | 2016-12-23 | 2016-12-23 | A kind of door switch and the refrigerator car with the door switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425934.0U CN206734168U (en) | 2016-12-23 | 2016-12-23 | A kind of door switch and the refrigerator car with the door switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206734168U true CN206734168U (en) | 2017-12-12 |
Family
ID=60555836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621425934.0U Active CN206734168U (en) | 2016-12-23 | 2016-12-23 | A kind of door switch and the refrigerator car with the door switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206734168U (en) |
-
2016
- 2016-12-23 CN CN201621425934.0U patent/CN206734168U/en active Active
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