CN101077747A - Elvator controlled cabinet - Google Patents
Elvator controlled cabinet Download PDFInfo
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- CN101077747A CN101077747A CN 200610084083 CN200610084083A CN101077747A CN 101077747 A CN101077747 A CN 101077747A CN 200610084083 CN200610084083 CN 200610084083 CN 200610084083 A CN200610084083 A CN 200610084083A CN 101077747 A CN101077747 A CN 101077747A
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- circuit unit
- control cabinet
- elevator control
- main circuit
- elevator
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Abstract
The lift control cabinet includes one main circuit unit and one control circuit unit set separately in two magnetically isolated rooms inside the lift control cabinet. The said configuration can minimize the electromagnetic interference of the main circuit unit on the control circuit unit, so as to reduce error detection rate of the control signal and malfunctions. In addition, the lift control cabinet has all the electric elements single-side mounted and thus easy overhaul and lowered maintenance cost, and the surface of the lift control cabinet is covered with plated conductive material, rather than insulating material, and thus has excellent shield effect.
Description
Technical field
The present invention relates to a kind of elevator control cabinet.
Background technology
Elevator control cabinet is made up of two circuit units, is respectively main circuit unit and control circuit unit.Wherein, main circuit unit is mainly used in to elevator provides electric power, includes the heavy current circuit that drives the elevator main motor running.The control circuit unit is mainly used in the startup of elevator driving machine and door machine, slows down, stops; and signals such as the switch, operation scheme, floor demonstration, calling, safety guard-safeguard of door are handled; constitute by dry circuit,, realize control elevator by passenger's simple operations.
In existing elevator control cabinet, all distributions of main circuit unit and control circuit unit are arranged in the casing of whole elevator control cabinet, and alternative arrangement is not separated together mutually.The main composition part of existing elevator control cabinet is shown in Figure 1A and Figure 1B, and wherein, Figure 1A is the front view of existing elevator control cabinet 1, and Figure 1B is the back view of existing elevator control cabinet.From Figure 1A and Figure 1B as can be seen, elevator control cabinet comprises regeneration resistance 101, power circuit, band-type brake circuit 107, main switch 103, frequency converter 106, power supply, power line terminals row 108, master control substrate 102, operating portion 104 and outside line connecting portion 105.Wherein, main circuit unit comprises main switch 103, power circuit, band-type brake circuit 107, frequency converter 106, power supply, power line terminals row 108 and regeneration resistance 101, simultaneously, main circuit unit also comprises the distribution between these components and parts, also is the inside distribution of main circuit unit.Wherein, main switch 103 is the switch of power circuit, band-type brake circuit 107, and the external power supply (not shown) is input to main switch 103 by power supply, power line terminals row 108.Though power circuit, band-type brake circuit 107 are the function difference, but in wiring, be mutually related two circuit.Power circuit is used for to main circuit unit and the power supply of control circuit unit.The band-type brake circuit is used for when needed elevator being braked.Frequency converter 106 is used for elevator is carried out variable frequency control.Again by power supply, power line terminals row 108 outputs, offer the motor (not shown), through the electric energy after the variable frequency control to drive the elevator up-and-down movement.Regeneration resistance 101 is used for the dump energy that elevator traction machine etc. produces at operational process is consumed.Regeneration resistance 101 can produce heat in consumed power, quicken the aging of machine in order to prevent thermal radiation, and the general top that all regeneration resistance 101 is located at elevator control cabinet 1 is beneficial to its heat radiation.The control circuit unit comprises master control substrate 102, operating portion 104 and outside line connecting portion 105, and the control circuit unit also comprises the distribution between these components and parts simultaneously, also is the inside distribution of control circuit unit.Wherein, master control substrate 102 is mainly used in by control signal and main circuit unit and is undertaken alternately.Operating portion 104 is mainly used in the operation of accepting professional service personnel, converts the operation of service personnel to control signal.Outside line connecting portion 105 is mainly used in and receives the information comprise user's operation and the control command of the elsewhere beyond the user, as switch in the hoistway etc.
Fig. 2 is the lateral plan of existing elevator control cabinet, as can be seen from Figure 2 the main distribution between the various piece of existing elevator control cabinet.Fig. 2 only schematically shows main a part of distribution, and other distribution omits.Among Fig. 2 1. 2. 3. 4. 5. 6. 7. number line represent wiring harness.Wherein 1. number being the control signal wire harness, 6., 7., number is the power wiring wire harness 2., 3., 4., 5..1. number wire harness is the control signal wire harness between control circuit unit and the main circuit unit, and this wire harness is connected between the master control substrate 102 of the frequency converter 106 of main circuit unit and control circuit unit.Because control circuit unit and main circuit unit are in same casing, so use short as far as possible distribution to connect usually.The external power supply (not shown) enters main switch 103 from power supply, power line terminals row 108 by 2. number wire harness, through behind the main switch 103, enter power circuit through cable, enter frequency converter 106 by 3. number wire harness again, after frequency-conversion voltage-varying speed (VVVF) control,, offer power supply, power line terminals row 108 again by 4. number wire harness, offer the motor (not shown) through 5. number wire harness again, to drive the elevator up-and-down movement.Wherein, 2. 3. 4. number wire harness be the inside distribution of main circuit unit.6. number wire harness is the control signal wire harness of attended operation portion 104 and master control substrate 102, to send master control substrate 102 to the corresponding control signal of passenger's operation by 6. number wire harness operating portion 104,7. number wire harness is for connecting the control signal wire harness of outside line connecting portion 105 and master control substrate 102, sends the external control instruction that outside line connecting portion 105 receives to master control substrate 102 by 7. number wire harness outside line connecting portion 105.Wherein, 6. 7. number wire harness be the inside distribution of control circuit unit.
From Fig. 1, Fig. 2 as can be seen, existing main circuit unit is in the same place with the equal alternative arrangement of the distribution of control circuit unit, what main circuit unit was carried out is frequency-conversion voltage-varying speed (VVVF) control, and main circuit unit flows through big electric current, thereby is difficult to separate with the small signal of control circuit unit.Main circuit unit can produce the electromagnetic interference of stronger high order harmonic, and the electromagnetic radiation meeting that is produced by main circuit unit is disturbed the small signal of control circuit unit, may cause the flase drop of control signal to go out and misoperation.
Also have, in existing elevator control cabinet, the installation direction of general element is also inconsistent, adopt the mode of two sides maintenance, and as shown in Figure 2, in existing elevator control cabinet, some device mounting direction is towards the front side of elevator control cabinet, as main switch 103 etc.; And some device mounting direction is towards the rear side of elevator control cabinet, as frequency converter 106 etc.This just makes that service personnel needs to overhaul at both direction respectively, the operation more complicated.And, the maintenance area of a headroom should be arranged in face of the maintenance of elevator control cabinet according to elevator standard.Owing to adopt the mode of two sides maintenance, then all need to reserve the maintenance area in the front and back of elevator control cabinet, the restriction that the selection of installation site is subjected to is more, and needed maintenance area is relatively large.
In addition, in order to improve the corrosion stability of elevator control cabinet, existing elevator control cabinet is normally sprayed insulated paint or the bad coating of other electric conductivities on the surface of iron cabinet.But, spraying insulated paint can exert an influence to the performance of the antagonism electromagnetic interference of elevator control cabinet body, after such elevator control cabinet surface is insulated, makes cabinet when being subjected to unexpected electromagnetic interference, because of there not being good volume conduction continuity, earthing potential can't be stablized rapidly.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of reasonably, improve the structure of the elevator control cabinet of electromagnetic interference performance.In this elevator control cabinet, main circuit unit and control circuit unit are separately positioned in the elevator control cabinet two and have each other in the space of electromagnetic isolation.By such scheme, make the inside distribution of main circuit unit and control circuit unit be separated from each other, and the mutual electromagnetic shielding.Can reduce the electromagnetic interference of main circuit unit to the control circuit unit to greatest extent like this, the flase drop of reduction control signal goes out the possibility with misoperation.The arrangements of elements mode of further, the object of the present invention is to provide a kind of convenient maintenance, saving the elevator control cabinet in space.By making the installation direction unanimity of all elements, can realize the single face maintenance, improved the efficient of maintenance, reduced maintenance cost.
Another object of the present invention is to provide a kind of elevator control cabinet that can further improve electromagnetic interference performance, replaces insulating material by the good conductive material that is higher than iron in the surface of this elevator control cabinet plating conductivity, can obtain good shield effectiveness.
Description of drawings
Fig. 1 is the scheme drawing of the main composition part of existing elevator control cabinet, and wherein Figure 1A is the front view of existing elevator control cabinet, and Figure 1B is the back view of existing elevator control cabinet;
Fig. 2 is the lateral plan of existing elevator control cabinet;
Fig. 3 is the main composition scheme drawing partly of the elevator control cabinet of embodiments of the invention one;
Fig. 4 is the lateral plan of main circuit unit of the elevator control cabinet of embodiments of the invention one;
Fig. 5 is the lateral plan of control circuit unit of the elevator control cabinet of embodiments of the invention one.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing technical scheme of the present invention is described in detail.
Embodiment one
Specify the technical scheme of embodiments of the invention one below in conjunction with Fig. 3.Fig. 3 is the scheme drawing according to the main composition part of the elevator control cabinet of embodiments of the invention one, also is the front view of the elevator control cabinet of embodiment one.The scheme of embodiment one is compared with existing elevator control cabinet, does not need to carry out the change of any circuit or the increase and decrease of components and parts.As can be seen from Figure 3, the main difference of the scheme of embodiment one and existing elevator control cabinet is, main circuit unit 11 and control circuit unit 12 among the embodiment one are separated from each other, be separately positioned in the elevator control cabinet 1 about in two spaces of arranging, isolate by screen layer 13 between two spaces, to prevent electricity and/or magnetic disturbance from the control signal in 11 pairs of control circuit unit 12 of main circuit unit.As can be seen from Figure 3, cloth is in two spaces respectively for main circuit unit 11 and control circuit unit 12, and regeneration resistance 101 is arranged on the top of main circuit unit.
1. 2. 3. 4. 5. 6. 7. identical among the represented meaning of number wire harness and Fig. 2 among Fig. 3.1. number wire harness from two independently the bottom in space connect, and used shielded cable, guaranteed the further isolation between main circuit unit 11 and the control circuit unit 12.2. 3. 4. number wire harness be the inside distribution of main circuit unit 11, they all are positioned at main circuit unit 11 inside, 6. 7. number wire harness is the inside distribution of control circuit unit 12, they all are positioned at the inside of control circuit unit 12.These inner distributions can adopt shielding wire, also can not adopt shielding wire, adopt the shield effectiveness of shielding wire better certainly.The inside distribution of main circuit unit 11 and the inside distribution of control circuit unit 12 be same to be divided and is located in above-mentioned two spaces that have electricity and/or a magnetic screening, has therefore reduced electricity and/or magnetic disturbance to control circuit unit 12 inner distributions that the inside distribution of main circuit unit 11 is produced to greatest extent.
Material and structure for screen layer 13, other electric shield measures have been taked in main circuit unit 11, when the interference that makes 11 pairs of control circuit unit 12 of main circuit unit be produced is mainly magnetic disturbance, screen layer 13 can only adopt magnetic masking layer, as with permeability higher make screen layer as ferromagnetic materials such as iron.Taked other magnetic screening measures at power circuit 11, when the interference that makes 11 pairs of control circuit unit 12 of main circuit unit be produced was mainly electric noise, screen layer 13 can only adopt the electric shield layer, made screen layer as adopting the higher good conductive material of conductivity.When 11 pairs of interference that control circuit produced of main circuit unit exist electric noise and magnetic disturbance simultaneously, can adopt the screen layer that can realize electromagnetic screening simultaneously, make screen layer as adopting the ferromagnetic material that is coated with good conductive material on the surface.In actual applications, can determine material and the structure that screen layer 13 is adopted according to the situation of the interference source of main circuit unit 11.
Embodiment one has in the space of electricity and/or magnetic screening each other by simply main circuit unit and control circuit unit being become respectively cloth to two from staggered cloth in a space of casing, and need not the change of any physical circuit or the increase and decrease of components and parts, just realized reducing the effect of electricity and/or magnetic disturbance well.
In existing elevator control cabinet, as shown in Figure 2, the installation direction of all elements is also inconsistent, adopt the mode of two sides maintenance.And in the elevator control cabinet 1 of embodiment one, with reference to Fig. 4, Fig. 5, Fig. 4 is the lateral plan of main circuit unit side of the elevator control cabinet of embodiments of the invention one, Fig. 5 is the lateral plan of control circuit cell side of the elevator control cabinet of embodiments of the invention one, as shown in Figure 4 and Figure 5, the installation direction of all elements by making main circuit unit and control circuit unit has been realized the single face maintenance all towards the front side, has simplified the operation of maintenance.
In addition, under main circuit unit and control circuit arrangements of cells situation together, elevator control cabinet of every production is all wanted all parts of disposable assembling.And when going wrong in the control circuit unit, the components and parts that dismantle control circuit just might need to overhaul cumbersome the dismounting earlier of the device of some power circuit down.And in the present embodiment, because main circuit unit and control unit branch are located at two spaces, do not interfere mutually at fit on.Control circuit unit normalisation can be carried out unified production, assembling.When producing elevator control cabinet, after main circuit unit has been assembled, just can prior unified standardized control unit whole erection of producing in elevator control cabinet, simplify the assembly technology of elevator control cabinet, improve efficiency of assembling, also improved the stability of assembling.When control circuit goes wrong, only need disassemble standardized control circuit whole unit and overhaul, very convenient.
The variation example of embodiment one
From the structure of the elevator control cabinet of embodiment shown in Figure 3, we are easy to expect, can also carry out some variations and change to the structure of the elevator control cabinet of embodiment one, can realize purpose of the present invention equally.For example, except as arrange about among the embodiment one main circuit unit and control circuit unit being separately positioned on two independently in the space, main circuit unit and control circuit unit can also being separately positioned on is arranged above and below wait that other all places relations arrange two independently in the space, as long as these two spaces are separate, the centre has electricity and/or magnetic masking layer to separate to get final product, and the concrete division in two spaces can decide according to factors such as the concrete situation of elevator control, the characteristics of laying the space, the concrete placement locations of inner components and parts.
Embodiment two
The elevator control cabinet of this embodiment and embodiment's one is basic identical, and difference is that the surface of the elevator control cabinet of present embodiment is coated with good conductive material, as zinc, copper, gold, silver etc.Consider that from the angle of cost performance and technology realization it is zinc-plated to be preferably selection.On the existing elevator control cabinet owing to spray insulated paint, meeting exerts an influence to the performance of the antagonism electromagnetic interference of elevator control cabinet body, this is to constitute because existing elevator control cabinet adopts as the imperfect material of electric conductivities such as iron, because of it just can not promptly get back to earthing potential when being subjected to unexpected electromagnetic interference, thereby make earthing potential to stablize rapidly.If the processing that good conductive material is plated on the elevator control cabinet surface, and the conductivity water temperature and depth of this good conductive material can make the The whole control cabinet can promptly return earth potential when being subjected to electromagnetic interference than the conductivity water temperature and depth height of iron, can obtain reasonable shield effectiveness.Zinc-plated processing in the present embodiment can reach same antirust, corrosion-proof effect, can obtain shield effectiveness preferably simultaneously, and not have other adverse effects.
Above-mentioned only is preferred embodiment of the present invention; be not to be used for limiting protection scope of the present invention; the professional in present technique field can carry out various modifications to embodiment under the prerequisite that does not depart from the scope of the present invention with spirit, this modification all belongs to scope of the present invention.
Claims (9)
1. an elevator control cabinet comprises main circuit unit and control circuit unit, it is characterized in that, main circuit unit and control circuit unit are separately positioned in this elevator control cabinet two and have each other in the space that electricity and/or magnetic isolates.
2. elevator control cabinet as claimed in claim 1 is characterized in that described main circuit unit comprises main switch, regeneration resistance, power circuit, band-type brake circuit, frequency converter and power supply, power line terminals row.
3. elevator control cabinet as claimed in claim 2 is characterized in that described regeneration resistance is positioned at the top of described main circuit unit.
4. elevator control cabinet as claimed in claim 1 is characterized in that, described control circuit unit comprises the master control substrate, operating portion and outside line connecting portion.
5. elevator control cabinet as claimed in claim 1 is characterized in that, the control wire harness between described main circuit unit and the control circuit unit connects from the bottom in described two spaces, and uses shielded cable.
6. elevator control cabinet as claimed in claim 1 is characterized in that, described control circuit unit is a Standardisation Cell.
7. elevator control cabinet as claimed in claim 1 is characterized in that the surface of this elevator control cabinet is coated with good conductive material, and the conductivity of this good conductive material is higher than the conductivity of iron.
8. elevator control cabinet as claimed in claim 7 is characterized in that, described good conductive material is a zinc.
9. elevator control cabinet as claimed in claim 1 is characterized in that, the installation direction unanimity of all elements in this elevator control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610084083 CN101077747A (en) | 2006-05-22 | 2006-05-22 | Elvator controlled cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610084083 CN101077747A (en) | 2006-05-22 | 2006-05-22 | Elvator controlled cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101077747A true CN101077747A (en) | 2007-11-28 |
Family
ID=38905449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610084083 Pending CN101077747A (en) | 2006-05-22 | 2006-05-22 | Elvator controlled cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101077747A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096397A (en) * | 2010-11-12 | 2011-06-15 | 浙江大学 | Modularized wiring method of control cabinet for multi-axis motion control system based on SynqNet bus |
| CN103420234A (en) * | 2013-08-29 | 2013-12-04 | 天津豪雅科技发展有限公司 | Combined type elevator control cabinet |
| CN103434901A (en) * | 2013-08-27 | 2013-12-11 | 广东奥美格传导科技股份有限公司 | Novel anti-interference type lift car top control cabinet |
| CN104229573A (en) * | 2013-06-18 | 2014-12-24 | 三菱电机株式会社 | Elevator control panel |
| CN106629280A (en) * | 2015-10-30 | 2017-05-10 | 天津优安达电梯制造有限公司 | Elevator frequency conversion cabinet |
| CN109179106A (en) * | 2018-11-01 | 2019-01-11 | 浙江华夏电梯有限公司 | A kind of control cabinet for Shuangzi carriage |
| CN112888645A (en) * | 2018-10-31 | 2021-06-01 | 三菱电机株式会社 | Elevator control panel |
-
2006
- 2006-05-22 CN CN 200610084083 patent/CN101077747A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096397A (en) * | 2010-11-12 | 2011-06-15 | 浙江大学 | Modularized wiring method of control cabinet for multi-axis motion control system based on SynqNet bus |
| CN102096397B (en) * | 2010-11-12 | 2013-04-17 | 浙江大学 | Modularized wiring method of control cabinet for multi-axis motion control system based on SynqNet bus |
| CN104229573A (en) * | 2013-06-18 | 2014-12-24 | 三菱电机株式会社 | Elevator control panel |
| CN103434901A (en) * | 2013-08-27 | 2013-12-11 | 广东奥美格传导科技股份有限公司 | Novel anti-interference type lift car top control cabinet |
| CN103420234A (en) * | 2013-08-29 | 2013-12-04 | 天津豪雅科技发展有限公司 | Combined type elevator control cabinet |
| CN106629280A (en) * | 2015-10-30 | 2017-05-10 | 天津优安达电梯制造有限公司 | Elevator frequency conversion cabinet |
| CN112888645A (en) * | 2018-10-31 | 2021-06-01 | 三菱电机株式会社 | Elevator control panel |
| CN112888645B (en) * | 2018-10-31 | 2023-02-17 | 三菱电机株式会社 | Elevator control panel |
| CN109179106A (en) * | 2018-11-01 | 2019-01-11 | 浙江华夏电梯有限公司 | A kind of control cabinet for Shuangzi carriage |
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Application publication date: 20071128 |