CN107697096A - Switch convert resistance control device and management-control method - Google Patents
Switch convert resistance control device and management-control method Download PDFInfo
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- CN107697096A CN107697096A CN201710954109.2A CN201710954109A CN107697096A CN 107697096 A CN107697096 A CN 107697096A CN 201710954109 A CN201710954109 A CN 201710954109A CN 107697096 A CN107697096 A CN 107697096A
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- resistance force
- switch
- conversion resistance
- conversion
- curve map
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K3/00—Wetting or lubricating rails or wheel flanges
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention discloses a kind of switch convert resistance control device, including collecting unit, transmission unit, main control unit and the oil-filling mechanism being sequentially connected, collecting unit includes the force snesor being arranged on the operating rod for driving a switch of point machine, and force snesor collection track switch passes to the conversion resistance force of operating rod for driving a switch when changing；Transmission unit, the conversion resistance force signal for collecting unit to be received are handled and transmitted；Main control unit receives the conversion resistance force signal after transmission unit is handled and analyzed and processed to control oil-filling mechanism to work.Also disclose a kind of point machine conversion resistance force management-control method.It is an object of the invention to provide a kind of point machine conversion resistance force control device and management-control method, attendant can be reduced to reach the standard grade the number of oiling, reduce because of the stuck interference for bringing train order of track switch external locking device, improve safe for operation, while ensureing safety of railway traffic requirement, brought convenience to onsite application, maintenance.
Description
Technical field
The present invention relates to railway territory, more specifically to switch convert resistance control device and management-control method.
Background technology
Track switch external locking device is one of visual plant of guarantee driving safety, the direct shadow of lubricant effect of external locking device
The smooth degree to conversion track switch is rung, therefore maintenance department is all put the lubrication work to track switch external locking device in top priority,
And formulate corresponding maintenance management rule.But with a high speed and Line for Passenger Transportation input and for a long time use, maintenance mode and
Maintenance time also becomes more have limitation, and all maintenance times have all concentrated on night, and to external locking under bad weather
The maintenance of device and lubrication just more seem difficult, and most maintenance is all manually to carry out safeguarding and oily.
Therefore, it is badly in need of a kind of switch convert resistance control device and management-control method to enter to corresponding refueling device and equipment
Row management and control is handled, and is reached the standard grade the number of oiling with reducing attendant, is reduced and the dry of train order is brought because track switch external locking is stuck
Disturb, raising is safe for operation, while ensureing safety of railway traffic requirement, is brought convenience to onsite application, maintenance.
The content of the invention
In view of this, can be with it is an object of the invention to provide a kind of switch convert resistance control device and management-control method
Reduce attendant to reach the standard grade the number of oiling, reduce because of the stuck interference for bringing train order of track switch external locking device, improve fortune
Row safety, while ensureing safety of railway traffic requirement, brought convenience to onsite application, maintenance.
To achieve the above object, the present invention provides following technical scheme：
A kind of switch convert resistance control device, including be sequentially connected collecting unit, transmission unit, main control unit and add
Oil machine structure；
The collecting unit includes the force snesor being arranged on the operating rod for driving a switch of the point machine, and the power passes
The conversion resistance force of the operating rod for driving a switch is passed to during sensor collection track switch conversion；
Transmission unit, the conversion resistance force signal for the collecting unit to be received are handled and transmitted；
The main control unit receive the conversion resistance force signal after transmission unit processing and analyzed and processed with
The oil-filling mechanism is controlled to work.
Preferably, the collecting unit also includes amplifier and second processor, and the second processor is put by described
Big device is connected with the force snesor.
Preferably, the transmission unit includes first processor, communication module and power module, the first processor according to
It is secondary to be connected by the communication module and the power module with the main control unit, and the second processor and described first
Processor connects.
Preferably, the main control unit includes monitoring main frame, the monitoring main frame pass sequentially through junction box and Direction box with
The transmission unit connection, the oil-filling mechanism are connected with the monitoring main frame.
Preferably, the main control unit also includes display, and the display is connected with the monitoring main frame.
A kind of switch convert resistance management-control method, applied to above-mentioned switch convert resistance control device, including following step
Suddenly：
S1：The collecting unit starts；
S2：The force snesor of the collecting unit detects the conversion resistance force that the operating rod for driving a switch is subject to；
S3：The collecting unit stops；
S4：The curve for the conversion resistance force that operating rod for driving a switch is subject to described in the collecting unit generation track switch transfer process
Figure, is designated as conversion resistance force curve map；
S5：The collecting unit caches the conversion resistance force curve map；
S6：The main control unit reads the conversion resistance force curve map by the transmission unit from the collecting unit
And store；
S7：The main control unit is analyzed the conversion resistance force curve map, is had when in the conversion resistance force curve map
During beyond the conversion resistance force value of threshold value, the main control unit controls the oil-filling mechanism to start, and controls the oil-filling mechanism past
Refueled in external locking device, until the conversion resistance force value in the conversion resistance force curve map is less than threshold value, the main control unit is
The oil-filling mechanism is controlled to stop refueling.
Preferably, management-control method comprises the following steps：
S11：After the main control unit receives track switch conversion start signal, control the collection single by the transmission unit
Member starts；
S12：The force snesor of the collecting unit detects the conversion resistance force that the operating rod for driving a switch is subject to；
S13：After the main control unit receives track switch conversion end signal, the collection is controlled by the transmission unit
Unit stops；
S14：The curve for the conversion resistance force that operating rod for driving a switch is subject to described in the collecting unit generation track switch transfer process
Figure, is designated as conversion resistance force curve map；
S15：The collecting unit caches the conversion resistance force curve map；
S16：The main control unit reads the conversion resistance force curve by the transmission unit from the collecting unit
Scheme and store；
S17：The main control unit is analyzed the conversion resistance force curve map, is had when in the conversion resistance force curve map
During beyond the conversion resistance force value of threshold value, the main control unit controls the oil-filling mechanism to start, and controls the oil-filling mechanism past
Refueled in external locking device, until the conversion resistance force value in the conversion resistance force curve map is less than threshold value, the main control unit is
The oil-filling mechanism is controlled to stop refueling.
Preferably, management-control method comprises the following steps：
S21：The collecting unit starts after independently triggering track switch conversion start signal；
S22：The force snesor of the collecting unit detects the conversion resistance force that the operating rod for driving a switch is subject to；
S23：The collecting unit stops after independently triggering track switch conversion end signal；
S24：The curve for the conversion resistance force that operating rod for driving a switch is subject to described in the collecting unit generation track switch transfer process
Figure, is designated as conversion resistance force curve map；
S25：The collecting unit caches the conversion resistance force curve map；
S26：The main control unit reads the conversion resistance force curve by the transmission unit from the collecting unit
Scheme and store；
S17：The main control unit is analyzed the conversion resistance force curve map, is had when in the conversion resistance force curve map
During beyond the conversion resistance force value of threshold value, the main control unit controls the oil-filling mechanism to start, and controls the oil-filling mechanism past
Refueled in external locking device, until the conversion resistance force value in the conversion resistance force curve map is less than threshold value, the main control unit is
The oil-filling mechanism is controlled to stop refueling.
As can be seen from the above technical solutions, the present invention can directly gather goat conversion resistance force and can be real-time online
To check, direct convenience quick and precisely reflects the stress of the operating rod for driving a switch of goat, and by the monitoring to conversion resistance force with setting
Fixed, control oil-filling mechanism directly refuels to external locking device, is reached the standard grade the number of oiling, is reduced because of road with reducing attendant
The trouble stuck interference for bringing train order of external locking device, raising is safe for operation, while ensureing safety of railway traffic requirement, gives
Onsite application, maintenance are brought convenience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it is clear that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the control device set-up mode schematic diagram of the present invention；
Fig. 2 is the overall structure block diagram of the present invention；
Fig. 3 is the flow chart of the management-control method of the present invention.
Wherein, marked in accompanying drawing as follows：
1- force snesors, 2- operating rod for driving a switch, 3- point machines, 4- external locking devices, 5- oilings point, 6- fuel chargers
Structure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As Figure 1-3, switch convert resistance control device, including be sequentially connected collecting unit, transmission unit and, it is main
Unit and oil-filling mechanism 6 are controlled, collecting unit includes the force snesor 1 being arranged on the operating rod for driving a switch 2 of point machine 3, power
Sensor 1 gathers the conversion resistance force that operating rod for driving a switch 2 is passed to during track switch conversion；Transmission unit, for collecting unit to be received
To conversion resistance force signal handled and transmitted；Main control unit receives the conversion resistance force signal after transmission unit is handled simultaneously
It is analyzed and processed to control oil-filling mechanism 6 to work, main control unit is automatic according to the change of the conversion resistance force collected
Complete the oiling to external locking device 4.
Further, collecting unit includes force snesor 1, amplifier and second processor, and wherein force snesor 1 is arranged on
On operating rod for driving a switch 2, need exist for explanation, force snesor 1 can be arranged on operating rod for driving a switch 2 middle part or
Other positions, as long as identical technique effect can be reached；Second processor is connected by amplifier with force snesor 1, is adopted
Collect unit to power using DC/DC5V power supplys, the power module of other forms can also be used to be powered, be not detailed here,
It should be noted that as long as identical technique effect can be reached；In transfer process, conversion resistance force can cause action to connect
Certain micro- deformation occurs for bar 2, therefore force snesor 1 could be arranged to strain force sensor, when operating rod for driving a switch 2 occur it is micro-
By the deformation quantity of strain force sensor detection operation connecting rod 2 during deformation, the material and shape of operating rod for driving a switch 2 are combined
Obtain the conversion resistance force suffered by operating rod for driving a switch 2.The monitoring accuracy and scope of force snesor 1 should fully meet goat friction
The adjusting range of power.
Further, transmission unit includes first processor, communication module and power module, and communication module can be used and carried
The mode of wave communication, other communication modes can also be used, as long as can reach identical technique effect, power module includes
DC/DC5V power supplys and AC/DC power supplys, wherein DC/DC5V power supplys are used to power, and can also use the power supply of other forms, as long as
Identical technique effect can be reached, first processor passes sequentially through communication module and power module is connected with main control unit,
First processor is connected with second processor, and first processor can be connected by RS232 interface with second processor, can also
It is attached by way of RS485 interfaces or other interfaces or wireless connection, as long as identical technique effect can be reached.
Transmission unit is powered using DC/DC5V power supplys, the power module of other forms can also be used to be powered, not done here in detail
State, it is necessary to which as long as what is illustrated is that can reach identical technique effect；If website is mounted with JHD Gap monitoring systems, pass
Defeated unit can be arranged in Gap monitoring extension set, and utilizes the reserved interface of Gap monitoring extension set.If website is not installed
Transmission unit, can be arranged in plug-in chamber by trouble Gap monitoring system in the plug-in chamber of upper setting of goat.
Further, main control unit includes monitoring main frame, and it is single with transmission that monitoring main frame passes sequentially through junction box and Direction box
Member connection, Direction box is connected with power module, monitors main frame and is also associated with display and oil-filling mechanism, online real time inspection, directly
Connect fast and easy to accurately reflect the stress of goat and then accurately reflect the curve tendency of conversion resistance force, add so as to further look at
The beginning and stopping of oily situation.
A kind of switch convert resistance management-control method, applied to above-mentioned switch convert resistance control device, comprise the following steps：
S1：Collecting unit starts；
S2：The conversion resistance force that the detection operation connecting rod 2 of force snesor 1 of collecting unit is subject to；
S3：Collecting unit stops；
S4：The curve map for the conversion resistance force that operating rod for driving a switch 2 is subject to, is designated as turning in collecting unit generation track switch transfer process
Change resistance curve figure；
S5：Collecting unit caches conversion resistance force curve map；
S6：Main control unit reads conversion resistance force curve map from collecting unit by transmission unit and stored；
S7：Main control unit is analyzed conversion resistance force curve map, is turned when having in conversion resistance force curve map beyond threshold value
When changing Resistance Value, main control unit control oil-filling mechanism 6 starts, and controls oil-filling mechanism 6 to be refueled toward external locking device 4 is interior, until
Conversion resistance force value in conversion resistance force curve map is less than threshold value, and main control unit just controls oil-filling mechanism 6 to stop refueling.Main control unit
Oil-filling mechanism 6 can be controlled to be refueled by oiling point 5 to external locking device 4, can also be connected by pipeline to external locking
Device 4 is refueled, as long as can reach identical technique effect.
When implementing, switch convert resistance management-control method can use the following two kinds management-control method：
Method one concretely comprises the following steps：
S11：After main control unit receives track switch conversion start signal, collecting unit is controlled to start by transmission unit；
S12：The conversion resistance force that the detection operation connecting rod 2 of force snesor 1 of collecting unit is subject to；
S13：After main control unit receives track switch conversion end signal, collecting unit is controlled to stop by transmission unit；
S14：The curve map for the conversion resistance force that operating rod for driving a switch 2 is subject to, is designated as in collecting unit generation track switch transfer process
Conversion resistance force curve map；
S15：Collecting unit caches conversion resistance force curve map；
S16：Main control unit reads conversion resistance force curve map from collecting unit by transmission unit and stored；
S17：Main control unit is analyzed conversion resistance force curve map, is turned when having in conversion resistance force curve map beyond threshold value
When changing Resistance Value, main control unit control oil-filling mechanism 6 starts, and controls oil-filling mechanism 6 to be refueled toward external locking device 4 is interior, until
Conversion resistance force value in conversion resistance force curve map is less than threshold value, and main control unit just controls oil-filling mechanism 6 to stop refueling.Main control unit
Oil-filling mechanism 6 can be controlled to be refueled by oiling point 5 to external locking device 4, can also be connected by pipeline to external locking
Device 4 is refueled, as long as can reach identical technique effect.
Method two concretely comprises the following steps：
S21：Collecting unit starts after independently triggering track switch conversion start signal；
S22：The conversion resistance force that the detection operation connecting rod 2 of institute's force snesor 1 of collecting unit is subject to；
S23：The collecting unit stops after independently triggering track switch conversion end signal；
S24：The curve for the conversion resistance force that operating rod for driving a switch 2 is subject to described in the collecting unit generation track switch transfer process
Figure, is designated as conversion resistance force curve map；
S25：The collecting unit caches the conversion resistance force curve map；
S26：The main control unit reads the conversion resistance force curve by the transmission unit from the collecting unit
Scheme and store；
S27：Main control unit is analyzed conversion resistance force curve map, is turned when having in conversion resistance force curve map beyond threshold value
When changing Resistance Value, main control unit control oil-filling mechanism 6 starts, and controls oil-filling mechanism 6 to be refueled toward external locking device 4 is interior, until
Conversion resistance force value in conversion resistance force curve map is less than threshold value, and main control unit just controls oil-filling mechanism 6 to stop refueling.Main control unit
Oil-filling mechanism 6 can be controlled to be refueled by oiling point 5 to external locking device 4, can also be connected by pipeline to external locking
Device 4 is refueled, as long as can reach identical technique effect.
In mode two, after collecting unit actively triggers, an enabling signal can be sent to main control unit, gathered
After journey is completed, main control unit controls collecting unit to stop by transmission unit, then reads conversion resistance force curve map；Or adopt
After collecting unit starting, an enabling signal is sent to main control unit, and is independently stopped after gatherer process is completed, afterwards
A stop signal is sent to main control unit, main control unit can read conversion resistance force curve map；Or main control unit is persistently supervised
The state of collecting unit is surveyed, after monitoring that collecting unit stops, reading conversion resistance force curve map；Or main control unit is persistently supervised
The state of collecting unit is surveyed, after monitoring that collecting unit starts, through controlling collecting unit to stop after a period of time, is then read
Take conversion resistance force curve map.
Include data acquisition time, track switch conversion direction, track switch conversion duration, conversion resistance force in conversion resistance force curve map most
The parameter such as big value and time of origin and average value.
Further, operating rod for driving a switch 2 is general has positioning and two kinds of transition statuses of antiposition, when operating rod for driving a switch 2 is in
During positioning, static curve seal is positioning conversion resistance force curve map；When operating rod for driving a switch 2 is in antiposition, static curve seal
For antiposition conversion resistance force curve map.
Because be by being monitored micro- deformation quantity of operating rod for driving a switch 2 so as to obtain the conversion resistance force that it is subject to, because
This extraneous factor can interfere with the accuracy of monitoring result to influence caused by micro- deformation quantity of operating rod for driving a switch 2, therefore supervise
Survey in main frame, it is necessary to be modified to each curve map.Usual most important disturbing factor is temperature, and phenomenon of expanding with heat and contract with cold can be led
Cause operating rod for driving a switch 2 to occur different deformation when by same transitions resistance, thus makeover process mainly according to temperature because
Element is modified to curve map.
Specific correcting mode is the setting temperature sensor at force snesor 1, and track switch is monitored in real time by temperature sensor
The temperature conditions of goat 3, and temperature signal is transferred to monitoring main frame by transmission unit, monitoring main frame is according to temperature signal
The change of the self-characteristic at such a temperature of operating rod for driving a switch 2 is drawn, finally the conversion resistance force value in curve map is modified,
In the case that temperature is relatively low, the deformation quantity of operating rod for driving a switch 2 can be smaller, cause the conversion resistance force value that monitors smaller, it is necessary to
The amendment of conversion resistance force value is become big, in the case where temperature is higher, the deformation quantity of operating rod for driving a switch 2 can be bigger, causes to monitor
To conversion resistance force value it is bigger, it is necessary to which conversion resistance force value amendment is diminished.
Monitoring main frame generates daily sheet always according to the curve map read, and it is converted to include same day track switch in daily sheet
Journey conversion resistance force maximum, same day track switch transfer process conversion resistance force maximum time of origin, the conversion of same day track switch transfer process
Resistance average value and same day temperature variation curve etc., are checked for related personnel, to have found that it is likely that existing failure in time.
In addition, monitoring main frame is also by display each curve map for being read daily of output and by each curve map
Gather the same day master curve figure formed, so that operator on duty checks.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
- A kind of 1. switch convert resistance control device, it is characterised in that：Including the collecting unit, transmission unit, master being sequentially connected Control unit and oil-filling mechanism；The collecting unit includes the force snesor being arranged on the operating rod for driving a switch of the point machine, the force snesor The conversion resistance force of the operating rod for driving a switch is passed to during collection track switch conversion；Transmission unit, the conversion resistance force signal for the collecting unit to be received are handled and transmitted；The main control unit receives the conversion resistance force signal after transmission unit processing and analyzed and processed to control The oil-filling mechanism work.
- 2. switch convert resistance control device as claimed in claim 1, it is characterised in that：The collecting unit also includes amplification Device and second processor, the second processor are connected by the amplifier with the force snesor.
- 3. switch convert resistance control device as claimed in claim 1, it is characterised in that：The transmission unit is included at first Reason device, communication module and power module, the first processor pass sequentially through the communication module and the power module and institute Main control unit connection is stated, and the second processor is connected with the first processor.
- 4. switch convert resistance control device as claimed in claim 1, it is characterised in that：The main control unit, which includes monitoring, to be led Machine, the monitoring main frame pass sequentially through junction box and Direction box and are connected with the transmission unit, the oil-filling mechanism and the prison Survey main frame connection.
- 5. switch convert resistance control device as claimed in claim 4, it is characterised in that：The main control unit also includes display Device, the display are connected with the monitoring main frame.
- A kind of 6. switch convert resistance management-control method, applied to the switch convert resistance as described in claim 1 to 5 any one Control device, it is characterised in that：Comprise the following steps：S1：The collecting unit starts；S2：The force snesor of the collecting unit detects the conversion resistance force that the operating rod for driving a switch is subject to；S3：The collecting unit stops；S4：The curve map for the conversion resistance force that operating rod for driving a switch is subject to, note described in the collecting unit generation track switch transfer process For conversion resistance force curve map；S5：The collecting unit caches the conversion resistance force curve map；S6：The main control unit reads the conversion resistance force curve map from the collecting unit by the transmission unit and deposited Storage；S7：The main control unit is analyzed the conversion resistance force curve map, is exceeded when having in the conversion resistance force curve map During the conversion resistance force value of threshold value, the main control unit controls the oil-filling mechanism to start, and controls the oil-filling mechanism toward external lock Close in device and refuel, until the conversion resistance force value in the conversion resistance force curve map is less than threshold value, the main control unit just controls The oil-filling mechanism stops refueling.
- 7. switch convert resistance management-control method as claimed in claim 6, it is characterised in that management-control method comprises the following steps：S11：After the main control unit receives track switch conversion start signal, the collecting unit is controlled to open by the transmission unit It is dynamic；S12：The force snesor of the collecting unit detects the conversion resistance force that the operating rod for driving a switch is subject to；S13：After the main control unit receives track switch conversion end signal, the collecting unit is controlled by the transmission unit Stop；S14：The curve map for the conversion resistance force that operating rod for driving a switch is subject to, note described in the collecting unit generation track switch transfer process For conversion resistance force curve map；S15：The collecting unit caches the conversion resistance force curve map；S16：The main control unit reads the conversion resistance force curve map simultaneously by the transmission unit from the collecting unit Storage；S17：The main control unit is analyzed the conversion resistance force curve map, is exceeded when having in the conversion resistance force curve map During the conversion resistance force value of threshold value, the main control unit controls the oil-filling mechanism to start, and controls the oil-filling mechanism toward external lock Close in device and refuel, until the conversion resistance force value in the conversion resistance force curve map is less than threshold value, the main control unit just controls The oil-filling mechanism stops refueling.
- 8. switch convert resistance management-control method as claimed in claim 6, it is characterised in that management-control method comprises the following steps：S21：The collecting unit starts after independently triggering track switch conversion start signal；S22：The force snesor of the collecting unit detects the conversion resistance force that the operating rod for driving a switch is subject to；S23：The collecting unit stops after independently triggering track switch conversion end signal；S24：The curve map for the conversion resistance force that operating rod for driving a switch is subject to, note described in the collecting unit generation track switch transfer process For conversion resistance force curve map；S25：The collecting unit caches the conversion resistance force curve map；S26：The main control unit reads the conversion resistance force curve map simultaneously by the transmission unit from the collecting unit Storage；S17：The main control unit is analyzed the conversion resistance force curve map, is exceeded when having in the conversion resistance force curve map During the conversion resistance force value of threshold value, the main control unit controls the oil-filling mechanism to start, and controls the oil-filling mechanism toward external lock Close in device and refuel, until the conversion resistance force value in the conversion resistance force curve map is less than threshold value, the main control unit just controls The oil-filling mechanism stops refueling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954109.2A CN107697096B (en) | 2017-10-13 | 2017-10-13 | Switch convert resistance control device and management-control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954109.2A CN107697096B (en) | 2017-10-13 | 2017-10-13 | Switch convert resistance control device and management-control method |
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| CN107697096B CN107697096B (en) | 2019-06-28 |
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Also Published As
| Publication number | Publication date |
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| CN107697096B (en) | 2019-06-28 |
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