CN109205435A - A kind of cage guide refueling device - Google Patents
A kind of cage guide refueling device Download PDFInfo
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- CN109205435A CN109205435A CN201810724700.3A CN201810724700A CN109205435A CN 109205435 A CN109205435 A CN 109205435A CN 201810724700 A CN201810724700 A CN 201810724700A CN 109205435 A CN109205435 A CN 109205435A
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- Prior art keywords
- lubricant plug
- controller
- liquid level
- oiling
- temperature
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1253—Lubricating means
- B66B7/1269—Lubricating means specially adapted for guides
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The present invention provides a kind of cage guide refueling devices, comprising: liquid level sensor is set to the outer wall of cage guide lubricant plug, to acquire the liquid level information of the lubricant plug；Controller is connect with the liquid level sensor, to read the liquid level information；Oiling module is connect with the lubricant plug and the controller respectively；The controller sends refueling operation signal when the liquid level information is less than level threshold, to the oiling module, so that the oiling module is refueled to the lubricant plug；Wireless transport module is connect with the controller；Remote monitoring module is connect with the wireless transport module；The controller transmits the liquid level information and the refueling operation signal to the remote monitoring module in real time by the wireless transport module, so that the remote monitoring module remotely monitors the fueling state of cage guide.The present invention judges oil mass in lubricant plug by liquid level sensor, precisely and can carry out automatic oiling operation to lubricant plug, volume read-out is accurate, saves manpower.
Description
Technical field
The invention belongs to cage guide oiling technical fields, and in particular to a kind of cage guide refueling device.
Background technique
In elevator routine maintenance procedure, on-site personnel is needed to judge in cage guide lubricating oil oil cylinder by naked eyes
Oil mass, there are following defects: the lid for needing to be opened manually oil cylinder when 1, checking checks oil mass, causes oil amount determination numb
It is tired, and due to insufficient light in elevator shaft, judgement is easy to produce error；2, since elevator mainteinance events in operation are various, make
Industry personnel are easy leakage when maintaining operation and refuel, also, elevator use environment is different, high-rise business premises elevator operation extremely frequency
Numerous, it is excessive to may cause lubrication oil consumption, leads to elevator lack of lubrication problem, can not judge the period for checking oil mass, need to consume
Expense manpower continually goes to check oil mass and refuel, and cannot ensure that oil mass is attained by standard in all oil cylinders.
Summary of the invention
It in order to overcome the above technical defects, can be in lubricant plug the present invention provides a kind of cage guide refueling device
Lubricating oil carries out automatic oiling, and heating can be carried out to the lubrication in lubricant plug guarantees that it in certain temperature, operation letter
Single, oil mass and temperature control precisely, save manpower.
To solve the above-mentioned problems, the present invention is achieved by following technical scheme:
A kind of cage guide oil refueling device, comprising:
Liquid level sensor is set to the outer wall of cage guide lubricant plug, to acquire the liquid level information of the lubricant plug；
Controller is connect with the liquid level sensor, to read the liquid level information；
Oiling module is connect with the lubricant plug and the controller respectively；
The controller sends refueling operation letter when the liquid level information is less than level threshold, to the oiling module
Number, so that the oiling module is refueled to the lubricant plug；
Wireless transport module is connect with the controller；
Remote monitoring module is connect with the wireless transport module；
The controller transmits the liquid level information to the remote monitoring module in real time by the wireless transport module
With the refueling operation signal so that the remote monitoring module remotely monitors the fueling state of cage guide.
Further, the controller is integrated with RS485 communication chip, for grasping the liquid level information and the oiling
Make signal to be transmitted using RS485 agreement；
The refueling device further include: the protocol converter being connect with the RS485 communication chip, for RS485 to be assisted
View is converted to CAN protocol, to transmit the liquid level information and the refueling operation signal using CAN protocol.
Further, the oiling module includes:
With the sequentially connected oiling starting relay of the controller and Oil pump electrical machinery；Wherein, the Oil pump electrical machinery connection
There is oil cylinder, the oil cylinder is connect by oil pipeline with the lubricant plug；
The solenoid valve connecting with the controller, the solenoid valve are set on the oil pipeline；
The oiling starting relay is connected according to the refueling operation signal, to control oil cylinder unlatching；
The solenoid valve opens the oil pipeline according to the refueling operation signal, so that the in-oil cylinder lubricating oil
Flow to the lubricant plug.
Further, the refueling device further include:
Oiling start indicator lamp is connected between the controller and the oiling starting relay；
The oiling start indicator lamp shines when the oiling starting relay is connected；
Oiling indicator light is connected between the controller and the solenoid valve；
The oiling indicator light shines when the solenoid valve is opened.
Further, the refueling device further include:
Temperature sensor, set on the outer wall of the lubricant plug, with temperature collection information；
The temperature sensor is connect with the controller, to provide the temperature information to the controller；
Heating module is connect with the controller；
The controller controls the heating module and heats to the lubricant plug according to the temperature information.
Further, the heating module includes:
With the sequentially connected heating starting relay of the controller and heater circuit；The heater circuit is set to described
In lubricant plug；
The controller controls the heating starting relay and connects when the temperature information is less than temperature threshold, with
Heat the heater circuit to the lubricant plug；
The heating starting indicator light being connected between the controller and the heating starting relay；
The heating starting indicator light shines when the oiling starting relay is connected.
Further, the lubricant plug includes the first lubricant plug and the second lubricant plug, and first lubricant plug is set to the elevator and leads
The side of rail, second lubricant plug are set to the other side of the cage guide；
The liquid level sensor includes the first liquid level sensor and the second liquid level sensor, and first liquid level sensor is set
The outer wall of first lubricant plug is placed in acquire the liquid level information of first lubricant plug, second liquid level sensor is set to institute
The second lubricant plug outer wall is stated to acquire the liquid level information of second lubricant plug；
The controller is separately connected with first liquid level sensor and second liquid level sensor, described in control
Oiling module is refueled to first lubricant plug or second lubricant plug.
Further, the refueling device further include:
The first fuel indicator and the second fuel indicator being separately connected with the controller；
The controller controls first oil level when the liquid level information of first lubricant plug is less than the level threshold
Indicator light shines；
The controller controls second oil level when the liquid level information of second lubricant plug is less than the level threshold
Indicator light shines.
Further, the temperature sensor includes the first temperature sensor and second temperature sensor；
First temperature sensor is set to the outer wall of first lubricant plug to acquire the temperature of first lubricant plug letter
Breath, states second temperature sensor and is set to the second lubricant plug outer wall to acquire the temperature information of second lubricant plug；
The controller is separately connected with first temperature sensor and the second temperature sensor, to control respectively
The heating module is heated to first lubricant plug or second lubricant plug.
Further, the refueling device further include:
The first temperature indicator and second temperature indicator light being separately connected with the controller；
The controller controls the first temperature instruction when the temperature information of first lubricant plug is less than temperature threshold
Lamp shines；
The controller controls the second temperature instruction when the temperature information of second lubricant plug is less than temperature threshold
Lamp shines.
Compared with prior art, a kind of cage guide oil refueling device of the invention has the advantages that
The present invention is provided with liquid level sensor, controller and oiling module, and the liquid level of lubricant plug is acquired by liquid level sensor
Information, controller sends refueling operation signal when liquid level information is less than level threshold, to oiling module, so that the oiling mould
Block refuels to the lubricant plug, while being also provided with remote monitoring module, can carry out remotely to the fueling state of cage guide
Monitoring.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the overall structure diagram of refueling device of the present invention；
Fig. 2 is that the oiling function of refueling device of the present invention realizes module composition schematic diagram；
Fig. 3 is that the heating function of refueling device of the present invention realizes module composition schematic diagram；
Fig. 4 is refueling device detailed construction schematic diagram of the present invention.
Description of symbols: 1, liquid level sensor；1001, the first liquid level sensor；1002, the second liquid level sensor；2, it controls
Device；21, RS485 communication chip；3, oiling module；31, oiling starting relay；32, Oil pump electrical machinery；33 solenoid valves；331,
One solenoid valve；332 second solenoid valves；34, oiling start indicator lamp；35, oiling indicator light；351, the first oiling indicator light；
352, the second oiling indicator light；4, wireless transport module；5, remote monitoring module；6, lubricant plug；61, the first lubricant plug；62, second
Lubricant plug；7, protocol converter；8, temperature sensor；81, the first temperature sensor；82, second temperature sensor；9, heated mould
Block；91, heating starting relay；92, heater circuit；921, the first heater circuit；922, the second heater circuit；93, heating is opened
Dynamic indicator light；101, the first fuel indicator；102, the second fuel indicator；111, the first temperature indicator；112, the first temperature
Spend indicator light；12, oil cylinder；13, tank level sensor；14, oil cylinder fuel indicator.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The invention discloses a kind of cage guide refueling devices, as shown in Figure 1, comprising: liquid level sensor 1 is set to electricity
The outer wall of terraced guide rail lubricant plug 6, to acquire the liquid level information of lubricant plug 6；Controller 2 is connect with liquid level sensor 1, to read liquid level
Information；Oiling module 3 is connect with lubricant plug 6 and controller 2 respectively；Wireless transport module 4 is connect with controller 2；Long-range monitoring
Module 5 is connect with wireless transport module 4；Controller 2 sends to oiling module 3 and adds when liquid level information is less than level threshold
Oily operation signal, so that oiling module 3 is refueled to lubricant plug 6；Controller 2 is by wireless transport module 4 in real time to long-range monitoring mould
Block 5 transmits liquid level information and refueling operation signal, so that remote monitoring module 5 remotely monitors the fueling state of cage guide.It is excellent
Choosing, liquid level sensor 1 uses contactless liquid level sensor, and the outer wall for being set to cage guide lubricant plug 6 can be detected oil
The liquid level information of cup 6 avoids liquid level sensor 1 from directly contacting with the oil in lubricant plug, makes 1 longer life expectancy of liquid level sensor, control
Device uses AT90CAN32-15AT single-chip microcontroller, and processing speed is fast, and economical.
Preferably, controller 2 is integrated with RS485 communication chip 21, for using liquid level information and refueling operation signal
RS485 agreement is transmitted；Refueling device further include: the protocol converter connecting with RS485 communication chip is used for RS485
Protocol conversion is CAN protocol, using CAN protocol transmission liquid level information and refueling operation signal.Protocol converter uses
SJA1000 CAN controllers.CAN transport protocol have strong real-time, transmission range farther out, anti-electromagnetic interference capability it is strong
Advantage does not influence its transmission under adverse circumstances, so that the stability of this refueling device further increases.
Specifically, oiling module 3 includes: and the sequentially connected oiling starting relay 31 of controller and Oil pump electrical machinery 32；
Wherein, Oil pump electrical machinery 32 is connected with oil cylinder 12, and oil cylinder 12 is connect by oil pipeline with lubricant plug 6；The electromagnetism being connect with controller 2
Valve 33, solenoid valve 33 are set on oil pipeline；Oiling starting relay 31 is connected according to refueling operation signal, to control oil cylinder
12 open；Solenoid valve 33 opens oil pipeline according to refueling operation signal, so that the lubricating oil in oil cylinder 12 flows to lubricant plug 6.
Compared with prior art, refueling device of the invention has the advantages that
By setting liquid level sensor 1, controller 2 and oiling module 3, believed by the liquid level that liquid level sensor 1 acquires lubricant plug
Breath, controller 2 read liquid level information and when liquid level information are less than level threshold, send refueling operation signal to oiling module 3,
So that 3 pieces of oiling mould are refueled from trend lubricant plug 6, the oil in lubricant plug 6 is made to keep in a certain range, using CAN protocol and transmitting
Liquid level information and refueling operation signal to remote monitoring module 5, can the fueling state to cage guide carry out long-range monitoring,
And strong real-time, transmission range farther out, anti-electromagnetic interference capability it is strong.
Preferably, refueling device further include: oiling start indicator lamp 35 is connected to controller 2 and oiling starting relay
Oiling start indicator lamp 34 shines when oiling starting relay 41 is connected between 31；Oiling indicator light 35, is connected to controller
Between 2 and solenoid valve 33；Oiling indicator light 35 shines when solenoid valve 33 is opened.Even if not passing through remote monitoring module 5,
It can intuitively see whether refueling device is in the state of oiling.
Preferably, refueling device further include: temperature sensor 8, set on the outer wall of lubricant plug 6, with temperature collection information；Temperature
Sensor 8 is connect with controller 2, to provide the temperature information to controller 2；Heating module 9 is connect with controller 2；Control
Device 2 controls heating module 9 and heats to lubricant plug 6 according to the temperature information.
Wherein, heating module 9 includes: and the sequentially connected heating starting relay 91 of controller 2 and heater circuit 92；Add
Heater circuit 92 is set in lubricant plug 6；When temperature information is less than temperature threshold, control heating starting relay 91 connects controller 2
It is logical, so that heater circuit 92 is heated to lubricant plug 6；The heating starting being connected between controller 2 and heating starting relay 91 refers to
Show lamp 93；Heating starting indicator light 93 shines when oiling starting relay 91 is connected.
Compared with prior art, refueling device of the invention has the advantages that
By the way that 8 temperature collection information of temperature sensor is arranged, controller 2 reads temperature information and is less than temperature in temperature information
When spending threshold value, control heating starting circuit 92 heats lubricant plug 6, and the temperature in lubricant plug 6 is made to keep in a certain range, preventing oil
Oil in cup 6 freezes and lubricant effect is caused to decline.
Preferably, lubricant plug 6 includes the first lubricant plug 61 and the second lubricant plug 62, and solenoid valve 33 includes the first solenoid valve 331 and the
Two solenoid valves 332, the first lubricant plug 61 are set to the side of cage guide, and the second lubricant plug 62 is set to the other side of cage guide；
First solenoid valve 331 is set on the petroleum pipeline connecting with the first lubricant plug 61, and second solenoid valve 332 is set to and the second lubricant plug
On the petroleum pipeline of 61 connections, oiling indicator light 35 includes the first oiling indicator light 351 and the second oiling indicator light 352, and first adds
Between the connection of oily indicator light 351 and controller 2 and the first solenoid valve 331, the connection of the second oiling indicator light 352 and controller 2 with
Between second solenoid valve 332, liquid level sensor 1 include the first liquid level sensor 1001 and the second liquid level sensor 1002, first
Liquid level sensor 1001 is set to the outer wall of the first lubricant plug 61 to acquire the liquid level information of the first lubricant plug 61, the second liquid level sensor
1002 are set to 62 outer wall of the second lubricant plug to acquire the liquid level information of the second lubricant plug 62；Controller 2 and the first liquid level sensor
1001 and second liquid level sensor 1002 be separately connected, to control oiling module by the first solenoid valve 331 to the first lubricant plug 61
Refuel and the first oiling indicator light 351 shine, or by second solenoid valve 332 refuels to the second lubricant plug 62 and second oiling
Indicator light 352 shines.
Preferably, refueling device further include: the first fuel indicator 101 being separately connected with controller 2 and the second oil level
Indicator light；When the liquid level information of the first lubricant plug 61 is less than level threshold, the first fuel indicator 101 of control shines controller 2；
When the liquid level information of the second lubricant plug 62 is less than the level threshold, the second fuel indicator 102 of control shines controller 2.I.e.
Make intuitively see not by remote monitoring module 5 whether each lubricant plug in refueling device is in the state of oiling.
Preferably, temperature sensor 8 includes the first temperature sensor 81 and second temperature sensor 82；First temperature sensing
Device 81 is set to the outer wall of the first lubricant plug 61 to acquire the temperature information of the first lubricant plug 61, and second temperature sensor 82 is set to
Second lubricant plug, 62 outer wall is to acquire the temperature information of the second lubricant plug 62；Controller 2 and first temperature sensor 81 and second
Temperature sensor 82 is separately connected, and heater circuit 92 includes the first heater circuit 921 and the second heater circuit 922, is respectively set
In in the first lubricant plug 61 and the second lubricant plug 62, heated with controlling heating module 9 respectively to the first lubricant plug 61 or the second lubricant plug 62.
Preferably, refueling device further include: the first temperature indicator 111 and second temperature being separately connected with controller 2
Indicator light 111；Controller 2 is when the temperature information of the first lubricant plug 61 is less than temperature threshold, control the first temperature indicator 111 hair
Light；When the temperature information of the second lubricant plug 62 is less than temperature threshold, control second temperature indicator light 112 shines controller.
Preferably, refueling device further include: tank level sensor 13, be set to the outer wall of oil cylinder 12 and with controller 2
Connection, to acquire 12 liquid level information of oil cylinder；Oil cylinder fuel indicator 14, connect with controller；Controller 2 is in tank level information
When less than level threshold, sending signal to oil cylinder fuel indicator 14 makes it shine.
The course of work of the invention is further explained below.
1L is set by 6 level threshold of lubricant plug, temperature threshold is set as 0 °, and heating stop temperature is 20 °, 12 liquid level of oil cylinder
Threshold value is 3L, and when the liquid level information that controller 2 is read from liquid level sensor 1 is less than 1L, controller 2, which is sent a signal to, to be added
Oily starting relay 31 and solenoid valve 33 open Oil pump electrical machinery 32, and oil cylinder 12 is opened, meanwhile, it is defeated that solenoid valve 33 is attracted opening
Oil-piping makes the lubricating oil in oil cylinder 12 flow to lubricant plug 6, at this point, oiling start indicator lamp 34 and oiling indicator light 35 shine,
In remote monitoring module 5 it can be seen that lubricant plug 6 is in fueling state, until the liquid that controller 2 is read from liquid level sensor 1
When position information is greater than 1L, stop refueling operation, oiling start indicator lamp 34 and oiling indicator light 35 extinguish.When controller 2 is from temperature
When the temperature information read in degree sensor 8 is lower than 0 °, controller 2 sends a signal to the starting of heating starting relay 91 and adds
Heater circuit 92 heats lubricant plug 6, meanwhile, heating starting indicator light 93 shines, in long-range 5 pieces of mould of monitoring it can be seen that lubricant plug
6 are in heated condition, until stopping heating behaviour when the temperature information that 2 devices of control are read from temperature sensor 8 is greater than 20 °
Make.
Compared with prior art, a kind of cage guide oil refueling device of the invention has the advantages that
1, the present invention is provided with liquid level sensor in lubricant plug outer wall and oil cylinder outer wall, judges in lubricant plug by liquid level sensor
It is precisely and easy with oil mass in oil cylinder, and without by manually going to judge oil mass in oil cylinder.
2, the present invention is provided with oiling module, when oil mass is less than level threshold in lubricant plug, can carry out to lubricant plug automatic
It refuels to level threshold, saves manpower and volume read-out is accurate, be not in the case where leakage is refueled.
3, the present invention is provided with temperature sensor and heating module, can control the temperature of lubricating oil in oil cylinder in certain model
In enclosing, lubricating oil is made to reach optimal lubricant effect.
4, the present invention is provided with remote monitoring module, can monitor the oiling situation and temperature of lubricant plug in real time and intuitively
Spend situation.
5, the present invention is based on CAN communications, adapt to the various occasions of elevator installation, and anti-interference strong, transmission speed is fast, can be real
The effect now monitored in real time.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
Without departing from the technical solutions of the present invention, according to the technical essence of the invention it is to the above embodiments it is any modification,
Equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of cage guide refueling device characterized by comprising
Liquid level sensor is set to the outer wall of cage guide lubricant plug, to acquire the liquid level information of the lubricant plug；
Controller is connect with the liquid level sensor, to read the liquid level information；
Oiling module is connect with the lubricant plug and the controller respectively；
The controller sends refueling operation signal when the liquid level information is less than level threshold, to the oiling module, makes
The oiling module is obtained to refuel to the lubricant plug；
Wireless transport module is connect with the controller；
Remote monitoring module is connect with the wireless transport module；
The controller transmits the liquid level information and institute to the remote monitoring module in real time by the wireless transport module
Refueling operation signal is stated, so that the remote monitoring module remotely monitors the fueling state of cage guide.
2. refueling device according to claim 1, which is characterized in that the controller is integrated with RS485 communication chip, uses
In the liquid level information and the refueling operation signal are transmitted using RS485 agreement；
The refueling device further include: the protocol converter being connect with the RS485 communication chip, for RS485 agreement to be turned
It is changed to CAN protocol, to transmit the liquid level information and the refueling operation signal using CAN protocol.
3. refueling device according to claim 1 or 2, which is characterized in that the oiling module includes:
With the sequentially connected oiling starting relay of the controller and Oil pump electrical machinery；Wherein, the Oil pump electrical machinery is connected with oil
Cylinder, the oil cylinder are connect by oil pipeline with the lubricant plug；
The solenoid valve connecting with the controller, the solenoid valve are set on the oil pipeline；
The oiling starting relay is connected according to the refueling operation signal, to control oil cylinder unlatching；
The solenoid valve opens the oil pipeline according to the refueling operation signal, so that the in-oil cylinder lubricating oil flow direction
The lubricant plug.
4. refueling device according to claim 3, which is characterized in that further include:
Oiling start indicator lamp is connected between the controller and the oiling starting relay；
The oiling start indicator lamp shines when the oiling starting relay is connected；
Oiling indicator light is connected between the controller and the solenoid valve；
The oiling indicator light shines when the solenoid valve is opened.
5. refueling device according to claim 1 or 2, which is characterized in that further include:
Temperature sensor, set on the outer wall of the lubricant plug, with temperature collection information；
The temperature sensor is connect with the controller, to provide the temperature information to the controller；
Heating module is connect with the controller；
The controller controls the heating module and heats to the lubricant plug according to the temperature information.
6. refueling device according to claim 5, which is characterized in that the heating module includes:
With the sequentially connected heating starting relay of the controller and heater circuit；The heater circuit is set to the lubricant plug
It is interior；
The controller controls the heating starting relay and connects, so that institute when the temperature information is less than temperature threshold
Heater circuit is stated to heat to the lubricant plug；
The heating starting indicator light being connected between the controller and the heating starting relay；
The heating starting indicator light shines when the oiling starting relay is connected.
7. refueling device according to claim 3, which is characterized in that the lubricant plug includes the first lubricant plug and the second lubricant plug,
First lubricant plug is set to the side of the cage guide, and second lubricant plug is set to the other side of the cage guide；
The liquid level sensor includes the first liquid level sensor and the second liquid level sensor, and first liquid level sensor is set to
For the outer wall of first lubricant plug to acquire the liquid level information of first lubricant plug, second liquid level sensor is set to described
Two lubricant plug outer walls are to acquire the liquid level information of second lubricant plug；
The controller is separately connected with first liquid level sensor and second liquid level sensor, to control the oiling
Module is refueled to first lubricant plug or second lubricant plug.
8. refueling device according to claim 7, which is characterized in that further include:
The first fuel indicator and the second fuel indicator being separately connected with the controller；
The controller controls the first oil level instruction when the liquid level information of first lubricant plug is less than the level threshold
Lamp shines；
The controller controls the second oil level instruction when the liquid level information of second lubricant plug is less than the level threshold
Lamp shines.
9. refueling device according to claim 7, which is characterized in that the temperature sensor includes the first temperature sensor
And second temperature sensor；
First temperature sensor is set to the outer wall of first lubricant plug to acquire the temperature information of first lubricant plug, states
Second temperature sensor is set to the second lubricant plug outer wall to acquire the temperature information of second lubricant plug；
The controller is separately connected with first temperature sensor and the second temperature sensor, described to control respectively
Heating module is heated to first lubricant plug or second lubricant plug.
10. refueling device according to claim 9, which is characterized in that further include:
The first temperature indicator and second temperature indicator light being separately connected with the controller；
The controller controls the first temperature indicator hair when the temperature information of first lubricant plug is less than temperature threshold
Light；
The controller controls the second temperature indicator light hair when the temperature information of second lubricant plug is less than temperature threshold
Light.
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| CN201810724700.3A CN109205435A (en) | 2018-07-04 | 2018-07-04 | A kind of cage guide refueling device |
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| CN201810724700.3A CN109205435A (en) | 2018-07-04 | 2018-07-04 | A kind of cage guide refueling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973804A (en) * | 2019-04-01 | 2019-07-05 | 江苏正一物联科技有限公司 | Elevator fuel tank fuel quantity remote monitoring system and method |
| CN110397842A (en) * | 2019-08-08 | 2019-11-01 | 广州广日电梯工业有限公司 | A kind of driving chain selfoiling system and its driving chain lubricity detection device |
| JP2020147395A (en) * | 2019-03-12 | 2020-09-17 | 三菱電機ビルテクノサービス株式会社 | Elevator oil supply device |
| CN114249207A (en) * | 2021-11-27 | 2022-03-29 | 杨伟 | Lubricating oil filling equipment for elevator car guide rail and filling method thereof |
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| CN109973804A (en) * | 2019-04-01 | 2019-07-05 | 江苏正一物联科技有限公司 | Elevator fuel tank fuel quantity remote monitoring system and method |
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Application publication date: 20190115 |