CN108483167A - A kind of elevator single armed band-type brake test device and method - Google Patents
A kind of elevator single armed band-type brake test device and method Download PDFInfo
- Publication number
- CN108483167A CN108483167A CN201810492937.3A CN201810492937A CN108483167A CN 108483167 A CN108483167 A CN 108483167A CN 201810492937 A CN201810492937 A CN 201810492937A CN 108483167 A CN108483167 A CN 108483167A
- Authority
- CN
- China
- Prior art keywords
- band
- type brake
- elevator
- terminal
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
A kind of elevator single armed band-type brake test device of the application offer and method, described device include：Test box, for installing the electric component needed for the band-type brake test；Interface module, it includes the plug-in interface to match with each plug-in unit of elevator control cabinet in the outer surface of the test box side wall to be arranged, and the plug-in interface is electrically connected with the corresponding electric component respectively；Switch module, including switching switch and emergency stop switch, the switching switch are arranged in the outer surface of the test box side wall, and for controlling, band-type brake electromagnet is powered or dead electricity, the button of the emergency stop switch are arranged in the outer surface of the test box side wall.Using each embodiment in the application, the operation of test can be simplified, improve testing efficiency, reduce test risk.
Description
Technical field
This application involves elevator technology field, more particularly to a kind of elevator single armed band-type brake test device and method.
Background technology
In the case of unexpected power-off, elevator internal contracting brake brake can stop lift car braking in movement elevator, from
And ensure the safety of boarding personnel.But in elevator internal contracting brake, it is possible to will appear elevator car slipping, rush to summit and the things such as crouching bottom
Therefore.Therefore, it is necessary to carry out band-type brake test to elevator, determine the band-type brake behavior of elevator with the presence or absence of abnormal.
But in the prior art, it when carrying out band-type brake test to elevator, needs to provide power supply for band-type brake electromagnet, need
Concatenation control switch in the current supply circuit of band-type brake electromagnet, this just needs the electrical structure for changing elevator, reconnects circuit.Behaviour
Make complex, testing efficiency is relatively low.Meanwhile there is likely to be the mistake behaviour that band-type brake electromagnet positive and negative anodes are reversed when artificial wiring
Make, can thus burn band-type brake electromagnet, generate more serious accident, leads in test process that there are certain risks.
At least there are the following problems in the prior art：Existing band-type brake test mode, operation it is complex, testing efficiency compared with
It is low, and there are certain risks in test process.
Invention content
The purpose of the embodiment of the present application is to provide a kind of elevator single armed band-type brake test device and method, to simplify the behaviour of test
Make, improve testing efficiency, reduces test risk.
The embodiment of the present application provides a kind of elevator single armed band-type brake test device and method is realized in：
A kind of elevator single armed band-type brake test device, described device include：
Test box, for installing the electric component needed for the band-type brake test；
Interface module, it includes the plug to match with each plug-in unit of elevator control cabinet in the outer surface of the test box side wall to be arranged
Formula interface, the plug-in interface are electrically connected with the corresponding electric component respectively；
Switch module, including switching switch and emergency stop switch, the switching switch are arranged in the outer surface of the test box side wall,
For controlling, band-type brake electromagnet is powered or dead electricity, the button of the emergency stop switch are arranged in the outer surface of the test box side wall.
In preferred embodiment, the outer surface that the interface module is mounted on the side wall of the test box by installing guide rail,
The bottom of the interface module is connected on the installation guide rail.
In preferred embodiment, the interface module includes：
Switch board terminal, band-type brake terminal, ground terminal, baffle, terminal retainer.
In preferred embodiment, at least one group of the switch board terminal, at least two groups of the band-type brake terminal, the baffle
It is fixed on the side of the interface module, the terminal retainer is fixed on the side of the baffle.
In preferred embodiment, handle is provided at the top of the test box.
In preferred embodiment, the electric component of the test box inside and outside includes：
Band-type brake power supply, breaker, emergency stop switch, switching switch, switch board terminal, band-type brake terminal.
In preferred embodiment, the connection structure of the electric component includes：
The breaker is connected between the switch board terminal and the band-type brake power supply, the switching switch and band-type brake electricity
Source connects, and the emergency stop switch includes button portion, the first emergency stop switch, the second emergency stop switch, and the button portion is used for same time control
Closure or the disconnection of first emergency stop switch and second emergency stop switch are made, first emergency stop switch is arranged in the electricity
In the safety return circuit of terraced switch board, second emergency stop switch is connected between the switching switch and the band-type brake terminal, institute
State band-type brake electromagnet of the band-type brake terminal for connecting the elevator.
In preferred embodiment, X6 plug-in units are also serially connected in the safety return circuit, the conducting for controlling the safety return circuit
Or disconnect, the button portion is arranged in the outer surface of the test box side wall.
A method of it carrying out elevator single armed band-type brake using above-described embodiment described device and tests, the method includes：
The X6 plug-in units are linked into the safety return circuit of the switch board by the power supply for cutting off the switch board of the elevator；
It controls the breaker to close, controls the switching switch and disconnect, the switch board terminal is passed through into lead-out wire and institute
The corresponding terminal for stating switch board is electrically connected；
Band-type brake terminal described in one group is connect by peripheral connecting line with the band-type brake electromagnet terminal in the switch board；
The elevator cars with full load is run to top layer, the switch board and the test box are powered on；
By the elevator call to designated floor, opened when the contactor actuation of the band-type brake electromagnet is closed at the switching
It closes, whether the car for testing the elevator steadily stops the designated floor.
In preferred embodiment, the method further includes：
By the switching switch be closed, test the elevator car whether car slipping.
It, can be by the electrical part of testing band-type brake using a kind of elevator single armed band-type brake test device provided by the embodiments of the present application
Part and electric interfaces end, which integrate, is a test box, when carrying out band-type brake test, it is only necessary to can by the electric interfaces
The electric component port corresponding with the switch board of elevator inside and outside the test box to be connected.By operating the test box
On switch or button, so that it may with realize band-type brake test.It can effectively simplify operation, improve testing efficiency, and can be to avoid
Maloperation when wiring can effectively reduce the risk of band-type brake test.Utilize a kind of elevator single armed provided by the embodiments of the present application
Band-type brake test method can carry out band-type brake test using described device, can simplify test operation, provide testing efficiency, reduce
The risk of test.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of apparatus structure schematic diagram for elevator single armed band-type brake test device that the application one embodiment provides；
Fig. 2 is the right view of Fig. 1 shown device structures；
Fig. 3 is the structural schematic diagram for the interface module that the application one embodiment provides；
Fig. 4 is the connecting structure for electrical equipment schematic diagram for the described device that the application one embodiment provides；
Fig. 5 is a kind of method flow schematic diagram for elevator single armed band-type brake test method that the application one embodiment provides.
Specific implementation mode
A kind of elevator single armed band-type brake test device of the embodiment of the present application offer and method.
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without creative efforts should all belong to the application protection
Range.
Fig. 1 is a kind of a kind of herein described apparatus structure schematic diagram of embodiment of elevator single armed band-type brake test device.Fig. 2
It is the right view of Fig. 1 shown device structures.Although this application provides such as following embodiments or apparatus structure shown in the drawings,
May include either more or less modular unit in the method or device without performing creative labour based on routine.
There is no in necessary causal structure in logicality, the structure of these devices is not limited to the embodiment of the present application or attached drawing institute
The structure shown.
Specifically, a kind of a kind of described as shown in Figure 1, Figure 2, embodiment of elevator single armed band-type brake test device provided by the present application
May include：
Test box 1, for installing the electric component needed for the band-type brake test；
Interface module 2 is arranged in the outer surface of 1 side wall of the test box, includes being inserted with what each plug-in unit of elevator control cabinet matched
Formula interface is pulled out, the plug-in interface is electrically connected with the corresponding electric component respectively；
Switch module 3, including switching switch 31 and emergency stop switch 32, the switching switch 31 are arranged in 1 side wall of the test box
Outer surface, for controlling, band-type brake electromagnet is powered or dead electricity, the button of the emergency stop switch 32 are arranged in 1 side of the test box
The outer surface of wall.
In this example, the outer surface that the interface module 2 is mounted on the side wall of the test box 1 by installing guide rail 4 is described
The bottom of interface module 2 is connected on the installation guide rail 4.
Fig. 3 is the structural schematic diagram of interface module described in the present embodiment.As shown in figure 3, in this example, the interface module
2 may include：Switch board terminal 501/502, band-type brake terminal BZ+/BZ-, ground terminal G, baffle 21, terminal retainer 22.
In this example, at least one group of the switch board terminal, the corresponding terminal of 501,502 label as shown in Figure 3.Institute
At least two groups of band-type brake terminal BZ+/BZ- is stated, has two groups of band-type brake terminals, BZ+, BZ- label as shown in Figure 3 to correspond in this example
Terminal.The baffle 21 is fixed on the side of the interface module 2, and the terminal retainer 22 is fixed on the baffle 21
Side.
In this example, two terminal colors in switch board terminal described in every group are different, and 501 terminals use grey terminal, and 502
Terminal uses blue end, can be in order to distinguishing two terminals.In this example, two band-type brake terminals in band-type brake terminal described in every group
Using different colors in order to distinguish, in Fig. 3, BZ+ terminals use grey terminal, BZ- terminals to use blue end.Such as figure
Shown in 3, the interface module 2 is additionally provided with lightning label.
In this example, the top of the test box 1 is provided with handle 5.
Fig. 4 is a kind of connecting structure for electrical equipment signal for elevator single armed band-type brake test device that the application one embodiment provides
Figure.As shown in Figure 1, Figure 2, Figure 3, Figure 4, the electric component of 1 inside and outside of the test box includes：
Band-type brake power supply G5, circuit breaker Q 10, emergency stop switch ES5, switching switch SA1, switch board terminal 501/502, band-type brake terminal BZ
+/BZ-。
It is when carrying out band-type brake test to elevator, the switch board terminal 501/502 terminal corresponding with switch board is electrical
The band-type brake terminal BZ+/BZ- and the band-type brake electromagnet are electrically connected by connection, so that it may to carry out band-type brake test behaviour to elevator
Make.
In this example, as shown in figure 4, the connection structure of the electric component includes：
The circuit breaker Q 10 is connected between the switch board terminal 501/502 and the band-type brake power supply G5, the switching switch
SA1 is connect with the band-type brake power supply G5, and the emergency stop switch ES5 includes that button portion 51, the first emergency stop switch 52, the second emergency stop are opened
53 are closed, the button portion 51 is arranged in the outer surface of 1 side wall of the test box, and the button portion 51 is used for while controlling described the
The closure or disconnection of one emergency stop switch 52 and second emergency stop switch 53, first emergency stop switch 52 are arranged in the elevator
In the safety return circuit 7 of switch board, second emergency stop switch 53 be connected to the switching switch SA1 and band-type brake terminal BZ+/
Between BZ-, the band-type brake terminal BZ+/BZ- is used to connect the band-type brake electromagnet of the elevator.
In this example, it is also serially connected with X6 plug-in units 6 in the safety return circuit, on-off is led for control the safety return circuit 7
It opens.
It, can be by by band-type brake using a kind of embodiment for elevator single armed band-type brake test device that above-described embodiment provides
The electric component of test and electric interfaces end, which integrate, is a test box, when carrying out band-type brake test, it is only necessary to by described
Electric interfaces can connect the electric component port corresponding with the switch board of elevator inside and outside the test box.Pass through behaviour
Make the switch or button on the test box, so that it may to realize that band-type brake is tested.Operation can effectively be simplified, improve testing efficiency,
And maloperation when can be to avoid wiring, it can effectively reduce the risk of band-type brake test.
Based on above-described embodiment provide a kind of elevator single armed band-type brake test device, the application also provide it is a kind of utilize described device
The method for carrying out the test of elevator single armed band-type brake.
Fig. 5 is a kind of method flow schematic diagram for elevator single armed band-type brake test method that the application one embodiment provides.
Specifically, as shown in figure 5, the method may include：
S1：The X6 plug-in units are linked into the safety return circuit of the switch board by the power supply for cutting off the switch board of the elevator.
S2：It controls the breaker to close, controls the switching switch and disconnect, the switch board terminal is passed through into extraction
Line terminal corresponding with the switch board is electrically connected.
S3：Band-type brake terminal described in one group is connected by the band-type brake electromagnet terminal in peripheral connecting line and the switch board
It connects.
S4：The elevator cars with full load is run to top layer, the switch board and the test box are powered on.
S5：By the elevator call to designated floor, when the contactor actuation of the band-type brake electromagnet be closed at it is described
Whether switching switch, the car for testing the elevator steadily stop the designated floor.
S6：By the switching switch be closed, test the elevator car whether car slipping.
A kind of elevator single armed band-type brake test method provided using above-described embodiment can carry out band-type brake using described device
Test, can simplify test operation, provide testing efficiency, reduce the risk of test.
Each embodiment in this specification is described by the way of progressive, and same or analogous part is mutual between each embodiment
Mutually referring to each embodiment focuses on the differences from other embodiments.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application's
Spirit.
Claims (10)
1. a kind of elevator single armed band-type brake test device, which is characterized in that described device includes：
Test box, for installing the electric component needed for the band-type brake test；
Interface module, it includes the plug to match with each plug-in unit of elevator control cabinet in the outer surface of the test box side wall to be arranged
Formula interface, the plug-in interface are electrically connected with the corresponding electric component respectively；
Switch module, including switching switch and emergency stop switch, the switching switch are arranged in the outer surface of the test box side wall,
For controlling, band-type brake electromagnet is powered or dead electricity, the button of the emergency stop switch are arranged in the outer surface of the test box side wall.
2. a kind of elevator single armed band-type brake test device as described in claim 1, which is characterized in that the interface module passes through peace
The outer surface that guide rail is mounted on the side wall of the test box is filled, the bottom of the interface module is connected on the installation guide rail.
3. a kind of elevator single armed band-type brake test device as described in claim 1, which is characterized in that the interface module includes：
Switch board terminal, band-type brake terminal, ground terminal, baffle, terminal retainer.
4. a kind of elevator single armed band-type brake test device as claimed in claim 3, which is characterized in that the switch board terminal is at least
There is one group, at least two groups of the band-type brake terminal, the baffle is fixed on the side of the interface module, the terminal retainer
It is fixed on the side of the baffle.
5. a kind of elevator single armed band-type brake test device as described in claim 1, which is characterized in that set at the top of the test box
It is equipped with handle.
6. a kind of elevator single armed band-type brake test device as described in claim 1, which is characterized in that the test box inside and outside
Electric component includes：
Band-type brake power supply, breaker, emergency stop switch, switching switch, switch board terminal, band-type brake terminal.
7. a kind of elevator single armed band-type brake test device as claimed in claim 6, which is characterized in that the connection of the electric component
Structure includes：
The breaker is connected between the switch board terminal and the band-type brake power supply, the switching switch and band-type brake electricity
Source connects, and the emergency stop switch includes button portion, the first emergency stop switch, the second emergency stop switch, and the button portion is used for same time control
Closure or the disconnection of first emergency stop switch and second emergency stop switch are made, first emergency stop switch is arranged in the electricity
In the safety return circuit of terraced switch board, second emergency stop switch is connected between the switching switch and the band-type brake terminal, institute
State band-type brake electromagnet of the band-type brake terminal for connecting the elevator.
8. a kind of elevator single armed band-type brake test device as claimed in claim 7, which is characterized in that also gone here and there in the safety return circuit
X6 plug-in units are connected to, for controlling being turned on or off for the safety return circuit, the button portion is arranged in the test box side wall
Outer surface.
9. a kind of method carrying out the test of elevator single armed band-type brake using any one of such as claim 1 to 8 described device, special
Sign is, the method includes：
The X6 plug-in units are linked into the safety return circuit of the switch board by the power supply for cutting off the switch board of the elevator；
It controls the breaker to close, controls the switching switch and disconnect, the switch board terminal is passed through into lead-out wire and institute
The corresponding terminal for stating switch board is electrically connected；
Band-type brake terminal described in one group is connect by peripheral connecting line with the band-type brake electromagnet terminal in the switch board；
The elevator cars with full load is run to top layer, the switch board and the test box are powered on；
By the elevator call to designated floor, opened when the contactor actuation of the band-type brake electromagnet is closed at the switching
It closes, whether the car for testing the elevator steadily stops the designated floor.
10. method as claimed in claim 9, which is characterized in that the method further includes：The switching is switched and is closed, is surveyed
Try the elevator car whether car slipping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492937.3A CN108483167A (en) | 2018-05-22 | 2018-05-22 | A kind of elevator single armed band-type brake test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492937.3A CN108483167A (en) | 2018-05-22 | 2018-05-22 | A kind of elevator single armed band-type brake test device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108483167A true CN108483167A (en) | 2018-09-04 |
Family
ID=63351596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810492937.3A Pending CN108483167A (en) | 2018-05-22 | 2018-05-22 | A kind of elevator single armed band-type brake test device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108483167A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745661A (en) * | 2019-10-29 | 2020-02-04 | 迅达（中国）电梯有限公司 | Device for testing accidental moving distance of elevator car |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616970Y (en) * | 2003-01-11 | 2004-05-19 | 云南铜业技工学校 | Electromagnetic brake-contracting cut-off brake control training device |
| CN102515050A (en) * | 2011-12-22 | 2012-06-27 | 广州市特种机电设备检测研究院 | Moment monitoring device for tractor brake |
| CN203269452U (en) * | 2013-03-30 | 2013-11-06 | 马鞍山港口（集团）有限责任公司 | Steady braking circuit for variable amplitudes of single-jib crane |
| CN103935858A (en) * | 2014-04-09 | 2014-07-23 | 浙江梅轮电扶梯成套有限公司 | Automatic detection device of traction machine brake |
| CN203833408U (en) * | 2014-04-09 | 2014-09-17 | 浙江梅轮电扶梯成套有限公司 | Automatic detection device for brake of traction machine |
| CN204324627U (en) * | 2014-10-20 | 2015-05-13 | 上海新时达电气股份有限公司 | A kind of elevator internal contracting brake performance detecting system |
| CN105692383A (en) * | 2016-04-11 | 2016-06-22 | 西人马（厦门）科技有限公司 | Elevator fault diagnosis device and method and controller |
| CN205442292U (en) * | 2016-04-12 | 2016-08-10 | 凯尔菱电（山东）电梯有限公司 | Elevator single armed braking test circuit |
| CN106584452A (en) * | 2015-10-19 | 2017-04-26 | 沈阳新松机器人自动化股份有限公司 | Universal robot safety control device |
| CN107244598A (en) * | 2017-07-25 | 2017-10-13 | 江南嘉捷电梯股份有限公司 | A kind of elevator governor tele-control system |
| CN107628497A (en) * | 2017-08-18 | 2018-01-26 | 广东卓梅尼技术股份有限公司 | A kind of elevator device of dynamic detection brake sticking brake torque |
| CN208361626U (en) * | 2018-05-22 | 2019-01-11 | 苏州江南嘉捷电梯有限公司 | A kind of elevator single armed band-type brake test device |
| CN212863669U (en) * | 2020-05-19 | 2021-04-02 | 沃克斯迅达电梯有限公司 | Unilateral contracting brake safety testing device |
-
2018
- 2018-05-22 CN CN201810492937.3A patent/CN108483167A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616970Y (en) * | 2003-01-11 | 2004-05-19 | 云南铜业技工学校 | Electromagnetic brake-contracting cut-off brake control training device |
| CN102515050A (en) * | 2011-12-22 | 2012-06-27 | 广州市特种机电设备检测研究院 | Moment monitoring device for tractor brake |
| CN203269452U (en) * | 2013-03-30 | 2013-11-06 | 马鞍山港口（集团）有限责任公司 | Steady braking circuit for variable amplitudes of single-jib crane |
| CN103935858A (en) * | 2014-04-09 | 2014-07-23 | 浙江梅轮电扶梯成套有限公司 | Automatic detection device of traction machine brake |
| CN203833408U (en) * | 2014-04-09 | 2014-09-17 | 浙江梅轮电扶梯成套有限公司 | Automatic detection device for brake of traction machine |
| CN204324627U (en) * | 2014-10-20 | 2015-05-13 | 上海新时达电气股份有限公司 | A kind of elevator internal contracting brake performance detecting system |
| CN106584452A (en) * | 2015-10-19 | 2017-04-26 | 沈阳新松机器人自动化股份有限公司 | Universal robot safety control device |
| CN105692383A (en) * | 2016-04-11 | 2016-06-22 | 西人马（厦门）科技有限公司 | Elevator fault diagnosis device and method and controller |
| CN205442292U (en) * | 2016-04-12 | 2016-08-10 | 凯尔菱电（山东）电梯有限公司 | Elevator single armed braking test circuit |
| CN107244598A (en) * | 2017-07-25 | 2017-10-13 | 江南嘉捷电梯股份有限公司 | A kind of elevator governor tele-control system |
| CN107628497A (en) * | 2017-08-18 | 2018-01-26 | 广东卓梅尼技术股份有限公司 | A kind of elevator device of dynamic detection brake sticking brake torque |
| CN208361626U (en) * | 2018-05-22 | 2019-01-11 | 苏州江南嘉捷电梯有限公司 | A kind of elevator single armed band-type brake test device |
| CN212863669U (en) * | 2020-05-19 | 2021-04-02 | 沃克斯迅达电梯有限公司 | Unilateral contracting brake safety testing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745661A (en) * | 2019-10-29 | 2020-02-04 | 迅达（中国）电梯有限公司 | Device for testing accidental moving distance of elevator car |
| CN110745661B (en) * | 2019-10-29 | 2022-01-04 | 迅达（中国）电梯有限公司 | Device for testing accidental moving distance of elevator car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103427645B (en) | Power supply unit, power connector combination and data handling system | |
| CN106255623B (en) | Energy delivery devices and onboard power system | |
| CN107478974A (en) | Insulation detecting method, system and the vehicle of vehicle | |
| CN108483167A (en) | A kind of elevator single armed band-type brake test device and method | |
| CN208361626U (en) | A kind of elevator single armed band-type brake test device | |
| CN110942692B (en) | Intelligent debugging and training system and method for auxiliary power supply of urban railway passenger car | |
| CN103700964B (en) | A kind of socket, connection circuit and train | |
| CN109986969A (en) | A kind of device for cutting high-tension circuit based on low pressure double control | |
| CN202133756U (en) | Alarm indicating device for measuring stroke of high voltage breaker | |
| CN104408867A (en) | Alarm system for ground wire position of electric power overhaul | |
| CN109031107A (en) | Detect the electron assistant contact circuit of high-voltage relay contact on-off | |
| CN206114751U (en) | Reactive power compensator's current test device | |
| CN109659841B (en) | Secondary wiring circuit of isolation cabinet | |
| CN109143838A (en) | A kind of underwater dedicated dual redundant switching circuit | |
| CN105356354B (en) | The apparatus for demonstrating of power supply system | |
| CN105270935B (en) | Integrated printed circuit board (PCB) and its elevator control cabinet | |
| CN205810587U (en) | Breaker terminals row's secondary wiring terminals | |
| CN204256886U (en) | Electric power overhaul ground wire position warning system | |
| CN212740288U (en) | Electric brake-releasing rescue box and rescue system for elevator split cabinet | |
| CN218633339U (en) | High-voltage direct current switching device | |
| CN210806337U (en) | Integrated intelligent power distribution cabinet | |
| CN210466813U (en) | AC/DC charging intelligent training platform | |
| CN203929923U (en) | The pick-up unit of Dual-speed multi-purpose lift winch | |
| CN218099489U (en) | Incoming cabinet contactor monitoring device and electric shovel control system comprising same | |
| CN216051988U (en) | FTU multifunctional simulation test mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |