CN207658881U - Detector for elevator balance coefficient - Google Patents
Detector for elevator balance coefficient Download PDFInfo
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- CN207658881U CN207658881U CN201720774420.4U CN201720774420U CN207658881U CN 207658881 U CN207658881 U CN 207658881U CN 201720774420 U CN201720774420 U CN 201720774420U CN 207658881 U CN207658881 U CN 207658881U
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- elevator
- velocity sensor
- input port
- phase alternating
- detector
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Abstract
The utility model discloses a kind of Detector for elevator balance coefficient, it includes three-phase alternating-current supply, three-phase voltage input port, equipment, cable, three-phase alternating current sensor input port, universal bar, velocity sensor input port, velocity sensor, idler wheel, split core type current transformer, three-phase alternating-current supply passes through one traction machine runner of cable connection, elevator traction machine pulls at least steel cable by least one turntable and moves, and one end of elevator wire rope connects a lift car.The testing result accuracy of the utility model is high, and error is small.
Description
Technical field
The utility model is related to a kind of detectors, more particularly to a kind of Detector for elevator balance coefficient.
Background technology
Device for measurement of electrical energy, velocity measuring device and the data processing equipment of traditional elevator detecting instrument be three each other
Independent component is connected by way of interface communication between three, and any circuit is faulty or is disturbed and can all cause to survey
Amount failure.What power sensor acquired is the electric current of 380V three-phase alternating currents wherein two-phase, then passes through mathematical formulae and calculates three
The general power of phase, actual error are bigger.The car speed measuring device of elevator detecting instrument has used optical mouse chip group
Part, but the component is mainly used for measuring the displacement of the mobile object in specific materials plane, is used for the circle to on-plane surface, Non-smooth surface
Shape steel wire rope surface carries out high-acruracy survey and technically there is larger difficulty, and the accuracy of measurement is difficult to ensure.Elevator detects
Device for measurement of electrical energy, velocity measuring device and the data processing equipment of instrument are three components independent of each other, are led between three
The mode for crossing interface communication is connected, and any circuit is faulty or being disturbed can all cause measurement to fail.Power sensor acquires
Be 380V three-phase alternating currents wherein two-phase electric current, then pass through mathematical formulae calculate three-phase general power, actual error ratio
It is larger.Data processing module is the order for sending request data to power module by Fixed Time Interval, not only expends data
The resource of processing module, and the real-time for obtaining data is poor.There are certain safety directly to instrument charging for alternating current 220V
Hidden danger, once electric leakage, the person of operating personnel will come to harm.Instrument internal is because there is a battery, and safety check trouble is more when carrying.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Detector for elevator balance coefficient, testing result is accurate
Exactness is high, and error is small.
The utility model is to solve above-mentioned technical problem by following technical proposals：A kind of balance coefficient of elevator detection
Instrument, which is characterized in that it includes three-phase alternating-current supply, three-phase voltage input port, equipment, cable, three-phase alternating current sensing
Device input port, universal bar, velocity sensor input port, velocity sensor, idler wheel, split core type current transformer, three-phase alternating current
Power supply is pulled at least steel cable by least one turntable and is moved by one traction machine runner of cable connection, elevator traction machine
Dynamic, one end of elevator wire rope connects a lift car, and the other end connection of elevator wire rope is at least one to pouring weight, one
Three-phase voltage input is connected respectively to by three connecting cable one end in the three-phase alternating-current supply input line of traction machine runner, and three
The other end of root connecting cable is connect with three control source ports respectively；It vises respectively one end of three split core type current transformers
The other end of the three-phase alternating-current supply input line of traction machine runner, three split core type current transformers connects with current input terminal mouth respectively
Connect, velocity sensor is fixed with universal bar, and idler wheel is located on velocity sensor, velocity sensor by least connection with
Velocity sensor input port connects, three-phase voltage input port, three-phase alternating current sensor input port, velocity sensor
Input port is all installed on the side of equipment.
Preferably, the velocity sensor uses differential encoder.
Preferably, the idler wheel has ferromagnetism and U-lag.
Preferably, there are one color touch display screens for installation on the equipment.
Preferably, the color touch display screen is connect with a lithium battery.
Preferably, the equipment is set there are one USB flash disk interface, and USB flash disk interface is connect with a USB flash disk.
The positive effect of the utility model is：
One, easy to carry, the utility model integrated level is high, appearance and size 280mm*240mm*130mm, and lithium battery can be with
Easy to disassemble, airport security is accessible.
Two, wiring is simple, it is only necessary to by three split core type current transformers and three specialized voltages detection connecting wire difference
It is connected to U, V, W line interface corresponding with this detector of traction machine runner power input, velocity sensor is passed through into universal bar
Steel cable contact is appointed in the fixed groove face for making senor roll wheel and traction machine runner traction, and by the defeated of velocity sensor
Go out the cable other end to be connected on the corresponding interface of the utility model.
Three, safe operation, testing staff's whole process all operates in elevator(lift) machine room, need not enter in elevator shaft.
Four, testing result accuracy is high, and the utility model uses differential encoder as velocity sensor, and it is accurate to test the speed,
Using split core type current transformer as current sensor, error is small, and is integrated with high-resolution synchronized sampling ADC (simulations
Digital quantizer), sample frequency is high, and core processor uses the high speed arm processor with floating-point operation function, calculating speed
Soon.
Five, detection elevator is time saving and energy saving, can detect an elevator in a bit manipulation person ten minutes, compares current elevator
The method for other detection balance coefficient of elevator that industry uses is time saving and energy saving.
Description of the drawings
Fig. 1 is the structural schematic diagram of Detector for elevator balance coefficient.
Fig. 2 is the circuit diagram of electric quantity detecting circuit in the utility model.
Specific implementation mode
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
As shown in Figure 1, the utility model Detector for elevator balance coefficient includes three-phase alternating-current supply 1, three-phase voltage input
Port 2, equipment 4, cable 5, three-phase alternating current sensor input port 6, universal bar 7, velocity sensor input port 8, speed
Sensor 9, idler wheel 10, split core type current transformer 17 are spent, three-phase alternating-current supply 1 connects a traction machine runner 12 by cable 5,
Elevator traction machine 12 pulls at least steel cable 13 by least one turntable and moves, one end connection one of elevator wire rope 13
The other end connection of a lift car 11, elevator wire rope 13 is at least one to pouring weight 14, and a three-phase voltage input passes through three
Root connecting cable one end is connected respectively in the three-phase alternating-current supply input line of traction machine runner, the other end of three connecting cables
It is connect respectively with three control source ports 2；Traction machine runner 12 is vised respectively in one end of three split core type current transformers 17
The other end of three-phase alternating-current supply input line, three split core type current transformers 17 is connect with current input terminal mouth 6 respectively, and speed passes
Sensor 9 is fixed with universal bar 7, and idler wheel 10 is located on velocity sensor 9, and velocity sensor 9 passes through an at least connection and speed
It spends sensor input port 8 to connect, three-phase voltage input port 2, three-phase alternating current sensor input port 6, velocity pick-up
Device input port 8 is all installed on the side of equipment 4.
The utility model is powered using chargeable lithium battery 18 that can be easy to disassemble, and airport security is accessible, easy to disassemble
And carrying, the voltage DC12 volts that lithium battery provides belong to safe voltage, great influence will not be generated personal contact.
In addition, entire detection process carries out all in elevator(lift) machine room, testing staff is not necessarily to enter elevator shaft, and detection process is hidden without safety
Suffer from.
Velocity sensor 9 uses differential encoder, and test the speed accuracy height.
There is idler wheel 10 ferromagnetism and U-lag, elevator wire rope to be caught in the U-lag of idler wheel and are tightly sucked.
Split core type current transformer 17 is high-precision sensor and is integrated with high-resolution synchronized sampling ADC, sampling frequency
Rate is high, can reduce detection error in this way and improve calculating speed.
There are one color touch display screens 3 so that it is convenient to show testing result etc. for installation on equipment 4.Color touch is shown
Screen 3 can be connect with lithium battery 18 so that it is convenient to be powered and show.
Color touch display screen 3 has corresponding voice and text prompt, easily-learned easily mastered, traction acc power when elevator is run
It is shown with car speed data real-time waveform figure and numerical value, coefficient of balance and elevator hoist high-speed synchronous are shown, are tested elevator fortune
Row situation is very clear.
Equipment 4 is set there are one USB flash disk interface 16, and USB flash disk interface 16 is connect with a USB flash disk 15 so that it is convenient to which testing result is deposited
Storage.
As shown in Fig. 2, equipment 4 is set there are one electric quantity detecting circuit, electric quantity detecting circuit includes voltage comparator A1, irradiation
Lamp A2, semiconductor diode A3, first resistor R1, second resistance R2,3rd resistor R3, zener diode D1, the 4th resistance R4,
5th resistance R5, the 6th resistance R6, the first indicator light LED1, the second indicator light LED2, the 7th resistance R7, the 8th resistance R8, NPN
Type triode Q1, capacitance C1, the 9th resistance R9, the tenth resistance R10, eleventh resistor R11, first resistor R1 and zener diode
D1 is in parallel, and zener diode D1 other ends ground connection, first resistor R1 is connected with a power supply source, first resistor R1 and 3rd resistor
R3 second interfaces are connected, and 3rd resistor R3 thirds interface is in parallel with 3rd resistor R3 second interfaces, 3rd resistor R3 third interfaces
Connect with the 4th resistance R4, the 4th resistance R4 and the first pin serial connections of voltage comparator A1, voltage comparator A1 second pins with
5th resistance R5 series connection, the 5th resistance R5 is in parallel with the 4th resistance R4, and voltage comparator A1 thirds pin and the 5th resistance R5 are simultaneously
Connection, the 4th pins of voltage comparator A1 are connected with first resistor R1, the 5th pins of voltage comparator A1 and 3rd resistor R3 first
Interface is in parallel, and the first pins of 3rd resistor R3 are connected with second resistance R2, the 6th pins of voltage comparator A1 and voltage comparator
The 5th pins in parallel of A1, the 7th pins of voltage comparator A1 and the 4th pins in parallel of voltage comparator A1, voltage comparator A1 the
12 pins are grounded, and second resistance R2 is in parallel with the first indicator light LED1, and second resistance R2 is grounded, the first indicator light LED1 and the
Six resistance R6 series connection, the 6th resistance R6 is in parallel with the 5th resistance R5, and the 4th resistance R4 is in parallel with the 7th resistance R7, the 7th resistance
The LED2 series connection of the second indicator lights of R7u, the second indicator light LED2 connect with the first indicator light LED1, the 7th resistance R7 and the 8th resistance
R8 is in parallel, the 8th resistance R8 and NPN type triode Q1 base series, NPN type triode Q1 emitters ground connection, NPN type triode
Q1 collectors are connected with irradiation light A2 first interfaces, and irradiation light A2 second interfaces are connected with a supply voltage, irradiation light A2
Two interfaces are connected with the 9th resistance R9, and the 9th resistance R9 connects with semiconductor diode A3 first interfaces, semiconductor diode A3
Second interface is connected with the tenth resistance R10, and the tenth resistance R10 is in parallel with capacitance C1, and capacitance C1 is in parallel with the 9th resistance R9, and the tenth
Resistance R10 is in parallel with NPN type triode Q1 collectors, the 4th interfacing grounds of semiconductor diode A3, semiconductor diode A3
Three interfaces are connected with eleventh resistor R11.3rd resistor R3 can be adjustable resistance.The model of voltage comparator A1 can be
The 4th pin, the 5th pin of LM339, voltage comparator A1 are anti-phase input and the positive input of one group of comparator, and second draws
Foot is the output of this group of comparator, and the 6th pin, the 7th pin are anti-phase input and the positive input of another group of comparator, first
Pin is the output of this group of comparator, and VIN12V is the anode of Detector for elevator balance coefficient power supply, the Europe 10k of contacting
First resistor R1 and a zener diode D1 be connected to power cathode, zener diode holds (the namely voltage stabilizing two of 5V voltages
The both end voltage of pole pipe is always 5V) because the 4th pin of voltage comparator A1 is connected with the cathode of zener diode,
Namely constant 5V voltages on the 4th pin of voltage comparator A1, one 50k of system power supply power supply anode VIN12V series connection
The Europe adjustable resistance R16 and Europe a 10k resistance R11 is connected to power cathode, and the 5th pin of voltage comparator A1 is connected to
High voltage one end of two resistance R2, therefore the voltage of the 5th pin of voltage comparator A1 is the voltage of second resistance R2, if
The resistance value for having set 3rd resistor R3, with the variation of input voltage VIN 12V, the voltage inputted on the 5th pins of LM339 can also be sent out
Raw corresponding variation, when the 5th pin voltage of voltage comparator A1 is less than 5V, the second pin output of voltage comparator A1
Low level, the first indicator light LED1 extinguish, when the 5th pin voltage of voltage comparator A1 is higher than 5V, voltage comparator A1's
Second pin exports high level, and the second pin of the output voltage comparator A1 of another group of comparator is exactly the opposite, the first instruction
Lamp LED1 is lighted, and the second indicator light LED2 extinguishes, and indicates that equipment supply voltage has reached normal work and required, Battery_
ADC1_IN2_PA2, which is exported, gives processor high level.When power voltage insufficient, the first indicator light LED1 extinguishes, the second indicator light
LED2 is lighted, and indicates that equipment supply voltage fails to reach normal work requirement, Battery_ADC1_IN2_PA2 is exported to processing
Device low level.
The operation principle of the utility model is as follows：Three-phase alternating-current supply is by three cable connection traction machine runners, to draging
To draw the power supply of machine runner, traction machine runner is made to pass through turntable moving elevator steel wire rope, one end of elevator wire rope connects lift car,
The other end of terraced steel wire rope is connected to pouring weight.Three-phase voltage input is connected respectively to traction by special three connecting cable one end
In the three-phase alternating-current supply input line of machine, the other end is connected respectively to three control source ports of the present invention, current sensor
The three-phase alternating-current supply input line of traction machine is vised in split core type current transformer one end of use respectively, split core type current transformer it is another
One end is connected respectively to three-phase alternating current sensor input port.Velocity sensor is fixed by universal bar, to ensure that
Traction steel-cable speed can be accurately measured without human intervention when measurement, testing result accuracy is high.The pedestal of universal bar has
It is magnetic, can be adsorbed in metal frame.The output of velocity sensor is connected to velocity sensor input interface by connection.
Velocity sensor is fixed by universal bar makes the groove face of senor roll wheel and the steel cable of traction machine runner traction
Contact, and by the output cord other end velocity sensor input interface of velocity sensor, idler wheel with elevator wire rope shifting
It moves and rotates, velocity sensor counts to host as the rotation of idler wheel sends out corresponding pulse, and host, which passes through to calculate, obtains electricity
The movement speed of terraced car, and it is stored in USB flash disk, then reality is calculated by the synchronized sampling of three-phase alternating current and three alternating voltages
When power, calculate the real-time displacement and speed of lift car by the data of velocity sensor later, then according to formula K=
(Nv+nV)/(2QgVv) is (wherein：K is coefficient of balance, when N is downlink car and when to focusing on same level traction machine work(
Rate, when V is downlink car and when to focusing on same level car speed, car and to focusing on same level when n is uplink
The power of traction machine when face, when v is uplink car and when to focusing on same level car speed, Q is rated load, and g is
Acceleration of gravity) the coefficient of balance value of tested elevator can be extrapolated, in addition it is aobvious can also to be shown to color touch for testing result
In display screen, if having plugged USB flash disk, testing result data can be also saved in USB flash disk.Testing staff's whole process is all grasped in elevator(lift) machine room
Make, an elevator has been detected in ten minutes, it is time saving and energy saving.The utility model uses three-phase detection mode so that instrument calculates
The error smaller of the traction acc power and actual power that come.
In conclusion the utility model can be easy to disassemble and be carried, and it can be with safety airfield detection, detection process is fast
And safe operation, testing result accuracy are high.
Particular embodiments described above, the technical issues of to the solution of the utility model, technical solution and advantageous effect
It has been further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of Detector for elevator balance coefficient, which is characterized in that it include three-phase alternating-current supply, three-phase voltage input port,
Equipment, cable, three-phase alternating current sensor input port, universal bar, velocity sensor input port, velocity sensor, rolling
Wheel, split core type current transformer, three-phase alternating-current supply pass through at least one by one traction machine runner of cable connection, elevator traction machine
A turntable towing at least steel cable moves, and one end of elevator wire rope connects a lift car, elevator wire rope it is another
One end connection is at least one to pouring weight, and a three-phase voltage input is connected respectively to traction machine by three connecting cable one end and turns
In the three-phase alternating-current supply input line of wheel, the other end of three connecting cables is connect with three control source ports respectively；Three
The three-phase alternating-current supply input line of traction machine runner, three split core type current transformers are vised respectively in one end of split core type current transformer
The other end connect respectively with current input terminal mouth, velocity sensor is fixed with universal bar, and idler wheel is located on velocity sensor, speed
Degree sensor is connect by an at least connection with velocity sensor input port, three-phase voltage input port, three-phase alternating current
Current sense input mouth, velocity sensor input port are all installed on the side of equipment.
2. Detector for elevator balance coefficient as described in claim 1, which is characterized in that the velocity sensor is compiled using difference
Code device.
3. Detector for elevator balance coefficient as described in claim 1, which is characterized in that the idler wheel has ferromagnetism and U-shaped
Slot.
4. Detector for elevator balance coefficient as described in claim 1, which is characterized in that there are one colored for installation on the equipment
Touch display screen.
5. Detector for elevator balance coefficient as claimed in claim 4, which is characterized in that the color touch display screen and one
Lithium battery connects.
6. Detector for elevator balance coefficient as described in claim 1, which is characterized in that the equipment is set there are one USB flash disk interface,
USB flash disk interface is connect with a USB flash disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774420.4U CN207658881U (en) | 2017-06-29 | 2017-06-29 | Detector for elevator balance coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774420.4U CN207658881U (en) | 2017-06-29 | 2017-06-29 | Detector for elevator balance coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207658881U true CN207658881U (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720774420.4U Active CN207658881U (en) | 2017-06-29 | 2017-06-29 | Detector for elevator balance coefficient |
Country Status (1)
| Country | Link |
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| CN (1) | CN207658881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265225A (en) * | 2017-06-29 | 2017-10-20 | 上海盛蒂斯自动化设备股份有限公司 | Detector for elevator balance coefficient |
-
2017
- 2017-06-29 CN CN201720774420.4U patent/CN207658881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265225A (en) * | 2017-06-29 | 2017-10-20 | 上海盛蒂斯自动化设备股份有限公司 | Detector for elevator balance coefficient |
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