CN207895281U - Has the electric elevatable table control device of detection load in real time - Google Patents
Has the electric elevatable table control device of detection load in real time Download PDFInfo
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- CN207895281U CN207895281U CN201820249097.3U CN201820249097U CN207895281U CN 207895281 U CN207895281 U CN 207895281U CN 201820249097 U CN201820249097 U CN 201820249097U CN 207895281 U CN207895281 U CN 207895281U
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Abstract
The utility model is related to same table control system fields, having the electric elevatable table control device of detection load in real time more particularly, to a kind of, including calculate with processing unit and connect the motor control unit of motor, motor control unit connection calculates and processing unit；Further include the current sampling unit and voltage sampling unit for connecting motor, the current sampling unit and voltage sampling unit are all connected with calculating and processing unit；It further include the load separator for connecting motor and lead screw, the load separator includes the first turntable for connecting motor, the second turntable of connection wire rod, the jack and inserting column of rotation stop cooperation are equipped between first turntable and the second turntable, the second turntable is equipped at the first turntable and bounces mechanism；This bounces mechanism connection calculating and processing unit, and then in motor load, the first turntable can be bounced by bouncing mechanism, and jack and inserting column is made to detach.The utility model can control motor in time and detached with lead screw, and then rotated even if can only be separated if motor postpones, played a protective role to motor and lifting gear when motor load is mutated.
Description
Technical field
The utility model is related to same table control system fields, having the electronic of detection load in real time more particularly, to a kind of
Same table control device.
Background technology
With people be seated office time it is increasingly longer, people gradually recognize that sitting is unfavorable for working efficiency instead
It improves, people begin attempt to the office of alternately sitting and standing formula, and there have been become same table gradually using the office of same table standing posture
A kind of healthy working way of prevalence.Traditional same table utilizes and manually controls lifting, very inconvenient, so designer is rising
Drop table structure formula increases a motor, motor connection wire rod, and desktop liftable is sheathed on lead screw, and motor drives lead screw rotation
Turn, and then desktop is driven to be moved up and down along lead screw.
General same table control system be do desk rise and fall function in addition some same table producers can be
It is protected as electric machine spacing to protect motor not block up in top and bottom installation one limit switch of each installation of same table
Turn, if met obstructions in limit range, limit switch is that will not work at this time, and motor will be in locked rotor condition, sternly
The situation of weight can burn out motor.And motor is turned off, motor still can have delay, drive lead screw rotation, and then can not
Motor and lifting gear are played and adequately protected.
Utility model content
The utility model for overcome the deficiencies in the prior art, provides a kind of electric elevatable table having detection load in real time
Control device can be protected motor and lifting gear in the case of motor load.
To achieve the goals above, the utility model uses following technical scheme：A kind of electricity having detection load in real time
Dynamic same table control device, including the motor control unit of motor is calculated with processing unit and connect, motor control unit connection
Calculating and processing unit；Further include the current sampling unit and voltage sampling unit for connecting motor, the current sampling unit and electricity
Pressure sampling unit is all connected with calculating and processing unit；Further include the load separator for connecting motor and lead screw, the load separator
Rotation stop is equipped with including connecting the first turntable of motor, the second turntable of connection wire rod, between the first turntable and the second turntable to coordinate
Jack and inserting column, the second turntable at the first turntable be equipped with bounce mechanism；This bounces mechanism connection calculating and processing unit,
And then in motor load, the first turntable can be bounced by bouncing mechanism, and jack and inserting column is made to detach.When motor normal use, jack
With inserting column grafting, motor drives lead screw to rotate by loading separator；The current sampling unit and voltage sampling unit can be adopted
Collect the electric current and voltage of motor, calculating can analyze whether motor loads with processing unit to collected voltage and current；Work as electricity
When load sudden change occurs in machine, calculate and bounce mechanism with processing unit control and bounce the first turntable, jack and inserting column separation, motor with
Lead screw detaches, and is rotated even if can only be separated if delay motor, and then play a protective role to motor and lifting gear.
Further, first turntable is equipped with rotation stop slot close to the surface of lead screw, and the bottom of the lead screw compresses the
One elastic component is in rotation stop slot；Cooperation is equipped with sliding slot and sliding block between the rotation stop slot inner wall and lead screw outer wall.Bounce machine
When structure is bounced or shunk, the first turntable can only be driven to move, and lead screw will not move, and ensure the stability that lead screw uses；Institute
It states sliding slot and sliding block coordinates the when of can guarantee the rotation of the first turntable lead screw can be driven to rotate together.
Further, the calculating connect load indicator light with processing unit and can control subtracting for lead screw deceleration after load
Fast mechanism.When motor loads, calculating can control load indicator light with processing unit and open, and play suggesting effect；Simultaneously
Motor is controlled by motor control unit to close；Then control deceleration mechanism slows down to lead screw, and then is to entirely lifting
System plays protective effect；The present invention may be implemented motor load and constantly detect, and can detect same table upper limit or
Person's lower limit can also detect the resistance encountered in limit range, to realize corresponding safeguard measure.
Further, the deceleration mechanism includes swing rod, torsional spring and electric magnetisation unit；Swing rod has rotatable by torsional spring
It is connected to the head end and tail end of the bottom surface of desktop；The side of the swing rod tail end is lead screw, and the other side of swing rod tail end is that electricity is raw
Magnetic cell；The swing rod tail end can be closely attached on lead screw surface under the effect of the elastic force of torsional spring；Energy after the electricity magnetisation unit is powered
Swing rod tail end is attracted to be detached from lead screw surface.When motor normal operation, electric magnetisation unit energization sucks swing rod tail end, makes swing rod tail end
It is detached from lead screw surface；Once load sudden change occurs in motor, electric magnetisation unit power-off loses magnetism, and swing rod tail end is made in torsional spring at this time
It rebounds under and is closely attached on lead screw surface；Described simple in structure, easy to implement, using effect is good.
Further, the electric magnetisation unit connects calculating and processing unit by first switch.First switch can be passed through
The power on/off of the electric magnetisation of control, it is easy to use.
Further, the swing rod tail end can be adjacent to lead screw surface be equipped with the second elastic component, the second elastic component surface is set
There is anti-attrition groove.The elastic wear-reducing layer can reduce the abrasion on lead screw surface, and anti-attrition groove can increase the rotational resistance of lead screw,
Improve the antifriction effect of the second elastic component.
Further, the swing rod tail end is equipped with iron plate at electric magnetisation unit.The iron plate is light-weight, using effect
It is good.
Further, it is described calculating with processing unit be also connected with Power Management Unit, the Power Management Unit include with outside
The electric current voltage stabilizing element of the AC-DC conversion element and connection AC-DC conversion element of portion's power supply connection, the electric current voltage stabilizing element connect
Connect calculating and processing unit.The Power Management Unit can realize the conversion and voltage stabilizing of power supply, and guarantor is played to calculating and processing unit
Shield acts on.
In conclusion the utility model can control motor in time and detached with lead screw when motor load is mutated, and then even if
Motor postpones, and also can only dally, play a protective role to motor and lifting gear.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the first structure chart of the deceleration mechanism of the utility model；
Fig. 3 is second of structure chart of the deceleration mechanism of the utility model；
Fig. 4 is the load cyclone separator arrangement schematic diagram one of the utility model；
Fig. 5 is the load cyclone separator arrangement schematic diagram two of the utility model.
Specific implementation mode
In order to make those skilled in the art be better understood from the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.
As shown in Figs. 1-3, a kind of electric elevatable table control device having detection load in real time, is mainly used for same table
Jacking system controls, and jacking system is existing structure, and jacking system includes motor, lead screw and desktop.The motor connecting filament
Bar, desktop liftable are sheathed on lead screw, and motor drives lead screw rotation, and then desktop is driven to be moved up and down along lead screw.
This electric elevatable table control device includes calculating and processing unit 1 and motor control unit 2, the motor control
Unit 2 connects motor 100, and the connection of motor control unit 2 calculates and processing unit 1.
Specifically, the utility model further includes current sampling unit 3 and voltage sampling unit 4.The current sampling unit 3
It is all connected with motor 100 with voltage sampling unit 4 and calculates and processing unit 1.In use, current sampling unit 3 can acquire motor
100 electric current, voltage sampling unit 4 can acquire the voltage of motor 100 and be transmitted to calculating and processing unit 1, calculate and handle
Unit judges whether motor loads according to collected voltage and current.The calculating connect load indicator light with processing unit 1
5 and deceleration mechanism 6, deceleration mechanism 6 can control the deceleration of lead screw 101 after load.Above-mentioned current sampling unit 3 and voltage sample list
Member 4 is existing structure, and the calculating includes microcontroller with processing unit 1, is mainly responsible for the real time load for calculating motor
Situation.
As shown in Figures 2 and 3, the deceleration mechanism 6 includes swing rod 61, torsional spring 62 and electric magnetisation unit 63.The swing rod
61 there is head end and tail end, the head end bottom surface 102 of desktop is rotationally connected with by torsional spring 62.The one of 61 tail end of the swing rod
Side is lead screw 101, and the other side of 62 tail end of torsional spring is electric magnetisation unit 63.It is existing structure that magnetic, which gives birth to electric unit 63, herein no longer
It repeats.In use, 61 tail end of the swing rod can be closely attached on 101 surface of lead screw, the electricity magnetisation under the effect of the elastic force of torsional spring 62
Unit 63 can attract 61 tail end of swing rod to be detached from 101 surface of lead screw after being powered.Preferably, the electric magnetisation unit 63 is opened by first
64 connections are closed to calculate and processing unit 1.When motor 100 works normally, first switch is powered, after the electricity magnetisation unit 63 is powered
61 tail end of swing rod can be attracted to be detached from 101 surface of lead screw；When calculating and processing unit 1 detects that motor 100 loads, calculate and place
It manages unit 1 and controls first switch power-off, the electricity magnetisation unit 63 loses magnetism, and 61 tail end of the swing rod is in the elastic force of torsional spring 62
It is closely attached on 101 surface of lead screw under effect, and then decelerating effect is played to lead screw 101.
In order to further increase the anti-attrition effect of 61 tail end of swing rod, then 61 tail end of the swing rod can be adjacent to lead screw 101
Surface is equipped with the second elastic component 7, which is made of rubber, sponge elastomeric material.And 7 surface of the second elastic component
Equipped with anti-attrition groove 71.The resistance of the second elastic component is further improved, the decelerating effect to lead screw is improved.
Moreover, 61 tail end of the swing rod is equipped with iron plate 65 at electric magnetisation unit 63.The iron plate 65 is small, and adsorbs
Area is big, and using effect is good.
In addition, in order to further increase the stability of external power supply, the then calculating is also connected with power supply with processing unit 1
Administrative unit 8, the Power Management Unit 8 include AC-DC conversion element 81 and electric current voltage stabilizing element 82, AC-DC conversion element
81 connect with external power supply 103, and electric current voltage stabilizing element 82 connects AC-DC conversion element 81.The electric current voltage stabilizing element 82 connection meter
It calculates and processing unit 1.
Certainly the cylinder control stopper that above-mentioned deceleration mechanism 6 can also be used is moved to lead screw surface, and then stops silk
Bar rotates.And above-mentioned AC-DC conversion element 81, electric current voltage stabilizing element 82 also use existing structure, details are not described herein again.
It is specific use process is as follows：
Step 1：Voltage sampling unit 4 and current sampling unit 3 continuously acquire the voltage and current of motor 100, calculate with
Then 1 receiving voltage of processing unit and current sample are as a result, be averaged；
Step 2：Calculating keeps a record to the average result of step 1 with processing unit 1, according to first recording the method first removed
The average data being recorded earliest in record is removed, ensures that the sum of record is N number of；
Step 3：It calculates with processing unit 1 according to newest N number of record data, recalculates total value, get new total
Value；
Step 4：Calculate the difference according to the new total value of step 3 calculating and last total value with processing unit 1；
Step 5：Calculating keeps a record to the difference result of step 4 with processing unit 1, according to first recording the method first removed
The difference data being recorded earliest in record is removed, ensures that the sum of record is X；
Step 6：Calculate the average value K that newest X difference data is calculated with processing unit 1；
Six result of calculation of above-mentioned steps has reacted loading condition, and the renewal frequency of data is up to 200Hz, reaches completely
Real-time sexual function is arrived.
As shown in Figure 4 and Figure 5, the utility model further include load separator 9, the load separator 9 connect motor 100 with
Lead screw 101.The load separator 9 include the first turntable 91 and the second turntable 92, the first turntable 91 connect motor 100, second turn
92 connection wire rod 101 of disk.The jack 93 and inserting column 94 of rotation stop cooperation are equipped between first turntable 91 and the second turntable 92, it should be only
Turn fit system be the first turntable 91 rotation when, the second turntable 92 can be driven to rotate together.It is arranged on the first turntable 91
Prismatic jack 93, and prismatic inserting column 94 is set on the second turntable 92.The position of certain inserting column 94 and jack 93 can
It exchanges, and existing structure can also be used in the jack 93 and 94 rotation stop fit structure of inserting column, details are not described herein again.
Preferably, second turntable 92 is equipped at the first turntable 91 and bounces mechanism 95.The upspring structure 95 is existing
There is structure, such as the switch button of automatic upspring type.This bounces the connection calculating of mechanism 95 and processing unit 1, and then in motor 100
When load, calculates to control with processing unit 1 and bounce mechanism 95 and bounce the first turntable 91, jack 93 and inserting column 94 is made to detach.
When motor load, ensure the quick separating of motor 100 and lead screw 101, even if can only dally if motor 100 postpones, realizes
To the effective protection of motor 100 and lifting gear.
First turntable 91 is equipped with rotation stop slot 91a close to the surface of lead screw 101, and the bottom of the lead screw 101 compresses
First elastic component is in rotation stop slot 91a；Cooperation is equipped with sliding slot 96 between 101 outer wall of the rotation stop slot 91a inner walls and lead screw
With sliding block 97.In the present embodiment, the sliding slot 96 is set to slot 91a inner walls, and sliding block 97 is then set to 101 outer wall of lead screw, institute
State sliding slot 96 extended into along slot 91a depth directions it is elongated.When the bottom of lead screw 101 is inserted into rotation stop slot 91a, sliding block 97
Coordinate with sliding slot 96, the first turntable 91 can drive lead screw 101 to rotate together.First elastic component is preferably spring.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present invention
Every other embodiment should all belong to the range of the utility model protection.
Claims (8)
- Having the electric elevatable table control device of detection load in real time 1. a kind of, including calculates and processing unit (1) and connect electricity The motor control unit (2) of machine (100), motor control unit (2) connection calculate and processing unit (1)；It is characterized in that：Also wrap Include the current sampling unit (3) and voltage sampling unit (4) of connection motor (100), the current sampling unit (3) and voltage sample Unit (4) is all connected with calculating and processing unit (1)；Further include the load separator (9) for connecting motor (100) and lead screw (101), The load separator (9) include the first turntable (91) of connection motor (100), connection wire rod (101) the second turntable (92), the Jack (93) and inserting column (94), the second turntable (92) that rotation stop cooperation is equipped between one turntable (91) and the second turntable (92) are close It is equipped at first turntable (91) and bounces mechanism (95)；This bounces mechanism (95) connection calculating and processing unit (1), and then in motor (100) when loading, the first turntable (91) can be bounced by bouncing mechanism (95), and jack (93) and inserting column (94) is made to detach.
- 2. the electric elevatable table control device according to claim 1 for having detection load in real time, it is characterised in that：It is described First turntable (91) is equipped with rotation stop slot (91a) close to the surface of lead screw (101), and the bottom of the lead screw (101) compresses first Elastic component is in rotation stop slot (91a)；Cooperation is equipped with sliding slot between rotation stop slot (91a) inner wall and lead screw (101) outer wall (96) and sliding block (97).
- 3. the electric elevatable table control device according to claim 1 for having detection load in real time, it is characterised in that：It is described Calculate the deceleration mechanism (6) for connecting load indicator light (5) with processing unit (1) and lead screw (101) deceleration capable of being controlled after load.
- 4. the electric elevatable table control device according to claim 3 for having detection load in real time, it is characterised in that：It is described Deceleration mechanism (6) includes swing rod (61), torsional spring (62) and electric magnetisation unit (63)；Swing rod (61) can turn with torsional spring (62) is passed through The head end and tail end of the dynamic bottom surface (102) for being connected to desktop；The side of swing rod (61) tail end is lead screw (101), swing rod (61) other side of tail end is electric magnetisation unit (63)；Swing rod (61) tail end can be adjacent under the effect of the elastic force of torsional spring (62) In lead screw (101) surface；The electricity magnetisation unit (63) can attract swing rod (61) tail end to be detached from lead screw (101) surface after being powered.
- 5. the electric elevatable table control device according to claim 4 for having detection load in real time, it is characterised in that：It is described Electric magnetisation unit (63) is calculated and processing unit (1) by first switch (64) connection.
- 6. the electric elevatable table control device according to claim 4 for having detection load in real time, it is characterised in that：It is described The surface that swing rod (61) tail end can be adjacent to lead screw (101) is equipped with the second elastic component (7), and the second elastic component (7) surface is equipped with anti-attrition Groove (71).
- 7. the electric elevatable table control device according to claim 4 for having detection load in real time, it is characterised in that：It is described Swing rod (61) tail end is equipped with iron plate (65) at electric magnetisation unit (63).
- 8. the electric elevatable table control device according to claim 1 for having detection load in real time, it is characterised in that：It is described It calculates and is also connected with Power Management Unit (8) with processing unit (1), which includes connecting with external power supply (103) The electric current voltage stabilizing element (82) of the AC-DC conversion element (81) and connection AC-DC conversion element (81) that connect, the electric current voltage stabilizing member Part (82) connection calculates and processing unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249097.3U CN207895281U (en) | 2018-02-11 | 2018-02-11 | Has the electric elevatable table control device of detection load in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249097.3U CN207895281U (en) | 2018-02-11 | 2018-02-11 | Has the electric elevatable table control device of detection load in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207895281U true CN207895281U (en) | 2018-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820249097.3U Active CN207895281U (en) | 2018-02-11 | 2018-02-11 | Has the electric elevatable table control device of detection load in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207895281U (en) |
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2018
- 2018-02-11 CN CN201820249097.3U patent/CN207895281U/en active Active
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