CN207663862U

CN207663862U - Motional resistance device and its application

Info

Publication number: CN207663862U
Application number: CN201721687299.8U
Authority: CN
Inventors: 杨晨光
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-06
Filing date: 2017-12-06
Publication date: 2018-07-27
Anticipated expiration: 2027-12-06

Abstract

The utility model discloses a kind of motional resistance devices, it includes two pole plates being arranged in juxtaposition and the electric conductor being set between two-plate, relative motion state is kept between the two-plate and electric conductor therebetween, there is continuous relative movement between the i.e. described electric conductor and two-plate, and the direction of relative movement is along the direction that the two-plate working surface extends.The invention also discloses the soft starting devices for motor with above-mentioned motional resistance device.The Optimal improvements that the utility model passes through the relative motion between two-plate in resistor and electric conductor therebetween, using the two the heat dissipation to entire resistor is realized in the continuous relative motion on pole plate extending direction, it is effectively pulled away cooling since it is in the heat for continuing to enable resistor to generate in relative motion, its good heat dissipation effect, and its is simple in structure, resistance value is conveniently adjusted, and electric conductor is Ke Xunhuanliyong.

Description

Motional resistance device and its application

Technical field

The utility model belongs to resistor technologies field, and in particular to a kind of motional resistance device and its application.

Background technology

Resistor is the electric elements made of resistance material, according to material difference, resistor can be divided into metal resistor, Liquid resistor, carbon resistor and frequency sensitive resistor are divided into according to the type of cooling as air cooling, water cooling and oil cooling but resistance Device etc..

Pole plate resistor is a kind of typical resistor, and pole plate resistor is generally included to be located at the pole plate at both ends and is set to Conductive materials, that is, electric conductor between two-plate (is referred to as resistance matter, can be gas, liquid, solid or its mixing Body), the relative distance between two-plate is adjustable, by changing the distance between two-plate, to change be filled in two-plate it Between conductive materials amount, realize the adjustment of resistor resistance value, and then the adjusting to current or voltage in circuit may be implemented.Pole Plate resistor is especially suitable in the occasion of heavy load, such as liquid resistor is widely used in large fan, ball mill, broken In the soft start of the heavy loads equipment such as broken machine, compressor, it can reach that starting current is small, electric current is steady, to power grid on startup The effect started without impact, energy continuous several times.

Applied to this pole plate resistor under heavy load occasion, due to its by electric current it is very big, during the work time Prodigious heat is will produce, such as the heat that liquid resistor generates in high power motor start-up course can make itself Liquid conduction mass temperature is got higher, and the raising of this temperature has a very big impact circuit system, is filled out with the raising of temperature The liquid filled, which constantly evaporates, can lead to entire circuit work in a humid environment, and more seriously lasting high temperature can make Conductive materials electric conductivity therein changes, such as liquid conduction object becomes smaller as temperature increases resistivity, can to hinder It is worth regulatory function reduction, resistor performance is caused to decline.How to solve resistor heat dissipation problem and has become influence resistor performance Key link.

A kind of liquid-level-adjustable wound rotor type motor water resistance is disclosed in patent document CN202143019U, passes through biography Dynamic lead screw band movable plate electrode moves back and forth, and the distance for changing sound pole plate vertical direction adjusts water resistance resistance value.Dry type is utilized simultaneously The alternation of water pump and water-drainage solenoid valve, the height by controlling upper water box inside liquid level change the Ohmic contact of sound pole plate Face, and then change liquid and hinder resistance value, achieve the purpose that make wound-rotor motor speed governing operation.It is that water resistance is overcome to generate heat in the program The influence of generation, by the way that the water tank of adjustable liquid resistor is divided into upper water box and lower header, lower header is given by self-priming water pump Upper water box moisturizing carries out cooling down.Water resistance in the program is excessive although can its calorific value be solved to a certain extent Problem, but this water resistance is carried out cooling heat by the water supplementing method of the upper lower header of setting, it on the one hand can be due to upper and lower water The presence of case makes the volume of sufficiently bulky liquid resistor originally become more huge, and needs to pacify between upper lower header The devices such as anti-water solenoid valve, water supply solenoid valve, dry type water pump are filled, cause its structure sufficiently complex, to the control of resistor and whole Body precision affects；What is more important, since upper water box only could supplement water when liquid level deficiency from lower header And it is unable to radiating and cooling of the real-time implementation to conducting liquid by overflow pipe tank drains down in high liquid level, moreover, from The amount of makeup water that lower header enters ratio for the conductivity water in entire water resistance is too small, to the conductivity water of water resistance Cooling effect is limited, causes the heat dissipation performance of entire water resistance still poor, and the heat dissipation that cannot effectively solve water resistance is asked Topic.

Utility model content

For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of motional resistance device, leads to The Optimal improvements for crossing the relative motion between two-plate in resistor and electric conductor therebetween, using the two along pole plate extension side The heat dissipation to entire resistor is realized in upward continuous relative motion, is continued in relative motion so that resistor production since it is in Raw heat can effectively be pulled away cooling, good heat dissipation effect, and its is simple in structure, and resistance value is conveniently adjusted, conductive Body is Ke Xunhuanliyong.

To achieve the above object, according to the one side of the utility model, a kind of motional resistance device is provided comprising two It is kept between the pole plate being arranged in juxtaposition and the electric conductor being set between two-plate, wherein two-plate and electric conductor therebetween That is, there is continuous relative movement in relative motion state, and the direction of relative movement is edge between the described electric conductor and two-plate The direction that the two-plate working surface extends.

It keeps synchronizing between the two-plate as a further improvement of the utility model, that relative motion may be not present, i.e., Two-plate synchronizes fixed or synchronous facing conductive body movement.

The two-plate is fixed as a further improvement of the utility model, and the relatively described two-plate of electric conductor It is mobile；Or the electric conductor between the two-plate is fixed, the movement of two-plate facing conductive body.

The two-plate holding moves synchronously as a further improvement of the utility model, the electric conductor between two-plate It keeps movement and its direction of motion and/or rate is different from the two-plate direction of motion and/or rate.

Two-plate parallel arrangement or two-plate cloth at an angle as a further improvement of the utility model, It sets.

As a further improvement of the utility model, the electric conductor be gas, liquid, solid or its mixture, preferably For liquid, more preferably water.

The two-plate both ends are both provided with pipeline as a further improvement of the utility model, for providing described lead The channel of electric body and pole plate relative movement.

The pipeline is closed as a further improvement of the utility model, i.e., from two-plate one end because of relative motion And the electric conductor removed can be again introduced into the gap between the two-plate after being recycled by the pipeline from the two-plate other end.

It is provided with cooling device on the pipeline as a further improvement of the utility model, for the cold of electric conductor But it radiates.

According to the another aspect of the utility model, a kind of soft starting device for motor is provided, which is characterized in that wherein Including above-mentioned motional resistance device.

In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following Beneficial effect：

1) in the motional resistance device of the utility model, both ends pole plate has with intermediate electric conductor in along pole plate extension side Upward continuous relative motion, the heat during resistor can be made to work are carried over resistor because of relative movement, to It is capable of the heat dissipation performance of significant increase resistor, effectively radiates to resistor；

2) in the motional resistance device of the utility model, it is therein conduction volume morphing it is unlimited, may be used fixed conductive materials, Liquid conduction substance etc., the i.e. structure can be applicable in the structures such as solid resistor or liquid resistor, and structure letter It is single, adjustment to resistance value, control can be realized by suitably adjusting polar plate area, conductive materials parameter and/or pole plate spacing etc. It makes simple and reliable；

3) in the motional resistance device of the utility model, electric conductor therein can pass through closed pipeline or ring bodies structure The reciprocation cycle between electric conductor two-plate is realized, to greatly promote the cyclic utilization rate of conductive materials.

Description of the drawings

Fig. 1 is the resistor structure principle schematic in the utility model embodiment 1；

Fig. 2 is the resistor structure principle schematic in the utility model embodiment 2；

Fig. 3 (a) is the resistor structure principle schematic in the utility model embodiment 3；

Fig. 3 (b) is the resistor structure specific implementation schematic diagram in the utility model embodiment 3；

Fig. 4 is the resistor structure principle schematic in the utility model embodiment 4；

Fig. 5 is the resistor structure principle schematic in the utility model embodiment 5；

Fig. 6 is the resistor structure principle schematic in the utility model embodiment 6；

Fig. 7 is the resistor structure principle schematic in the utility model embodiment 7；

Fig. 8 is the resistor structure principle schematic in the utility model embodiment 8.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it Between do not constitute conflict and can be combined with each other.The utility model is further described With reference to embodiment.

Fig. 1 is the principle schematic diagram of the resistor of a preferred embodiment 1 of the utility model.As shown in Figure 1, should Resistor includes two pole plates 1 and 2 positioned opposite arranged side by side, and the electric conductor 3 being set between two-plate.Pole plate 1 and 2 is spaced Certain distance is positioned opposite, is preferably arranged in parallel, but is not limited to parallel in the utility model, can also be other with respect to cloth Mode is set, for accommodating resistance conductive material, i.e. electric conductor (can be referred to as the spacing between two-plate 1 and 2 in the utility model For resistance matter), the spacing between two-plate is required according to resistance value or related specifications are arranged, and is not limited this in the utility model It is fixed.

As shown in Figure 1, in the present embodiment electric conductor, that is, resistance matter be fluid, preferably liquid form, such as water or other Conductive material, can also be conductive material of gaseous state, solid-state or other forms, such as carbon material, metal material etc., but this practicality This is not especially limited in novel.

As shown in Figure 1, wherein there is relative motion, and relative motion side between two-plate 1 and 2 and electric conductor 3 therebetween To for along the direction that two-plate working surface extends, you can be the length extending direction along pole plate, width extending direction or Other directions on pole plate working face, so as to there is the continuous phase with given pace between electric conductor and two-plate to moving It is dynamic so that there are lasting relative positions between the working surface of part and pole plate that conductor fluid is contacted with pole plate working surface It is mobile.Length extending direction, the width extending direction of pole plate can be horizontal direction, vertical direction or other directions, this implementation In example, direction of relative movement is horizontal direction, but is not limited to this in the utility model, and the direction of motion is preferred during the work time Remain unchanged, but can also change, for example, first keep then again changing after the constant flow in a direction as in opposite direction or Other directions of person carry out constant flow.

In the present embodiment, this relative movement can be that two-plate 1 and 2 is motionless, and conductive material fluid 3 moves, and also may be used Be two-plate keep movement and conductor fluid is motionless, can also be that pole plate and conductive material move, but movement velocity or side To difference.In a preferred mode, two-plate remains synchronization, can move synchronously or synchronize static, but also may be used Be it is asynchronous, such as two-plate movement velocity or the direction of motion can difference etc., be also applied for the embodiment of the utility model.

The above-mentioned technical proposal of the present embodiment can pass through working surface area, pole plate spacing or the conduction of change pole plate Any one of resistivity of body 3 or it is multinomial come realize resistance value adjust, wherein electric conductor 3 resistivity adjusting can be by a variety of Mode is realized, such as the material of electric conductor, concentration etc..

By the lasting relative movement between this pole plate 1,2 and conductive material 3, the big calorimetric that generates in resistor work Amount can take resistor out of by this relative motion, and so as to effectively be radiated to resistor inside, this dynamic mode can To keep the heat of resistor to remain in controllable effective range, especially can radiator preferably be set in outside, Further improving radiating effect.

Fig. 2 is the principle schematic diagram of the fluid resistor of the utility model another preferred embodiment, with implementation Example 1 the difference is that, the arrangement of two-plate 1 and 2 is different, the direction of relative movement of conductive material 3 and two-plate 1 and 2 Difference is vertical direction in the embodiment.

Fig. 3 (a) is the principle schematic diagram of the fluid resistor of the utility model another preferred embodiment, wherein It is provided with the generating system and collection system of conductive material 3 outside resistor, conduction material is preferably in the scheme of the embodiment Material movement, pole plate 1 and 2 remains stationary as, i.e., generates the conductive material 3 of flowing by generating system, and by two-plate 1 and 2 it Between gap so that two opposed working surfaces of conductive material 3 and two-plate 1 and 2 generate lasting relative motion, flow through pole plate Conductive material collected by collection system.Fig. 3 (b) shows for a kind of specific implementation of the structure of liquid resistor in the embodiment It is intended to, wherein the generating system and collection system of electric conductor 3 are equipped with outside the pole plate of resistor container, such as generating system can To be a pipeline that can be connected to one end end of two-plate, conducting liquid by the pipeline be pumped into two-plate 1 and 2 it Between space in and and then with two-plate working surface generate relative flow, flow through the conductive material after pole plate and pass through collection system It collects.Collection system in the embodiment then may be preferred that another container positioned at external container, be used to accommodate because leading The flowing of electro-hydraulic body and the conducting liquid for flowing out or overflowing resistor container, and then can ensure conduction liquid in resistor container Under conditions of body capacity is basically unchanged, cooling down and recycling to conducting liquid is realized.

In a further advantageous embodiment, as shown in figure 4, being connected between generating system and collection system, can make in this way Obtaining conductive material can recycle between generating system and collection system, promote stock utilization.It is highly preferred that can recycle Cooling system is set on path, convenient for further being cooled down outside resistor to conductive material.

Fig. 5 is the principle schematic diagram of the resistor of another preferred embodiment of the utility model.As shown in figure 5, In another preferred embodiment of the utility model, resistor includes two pole plates 1 and 2 positioned opposite arranged side by side, and is set to Electric conductor 3 between two-plate.Pole plate 1 and 2 spaced apart positioned opposite, is preferably arranged in parallel, two-plate 1 and 2 it Between spacing for accommodating resistance conductive body.As shown in figure 5, electric conductor, that is, resistance matter 3 is solid-state in the present embodiment, such as can be with For column structure (cylinder, Elliptic Cylinder or square body etc.), naturally it is also possible to be other structures type, the utility model This is not construed as limiting, only need to ensure to be kept in contact between resistance matter and pole plate working surface.Two-plate 1 and 2 with therebetween There is relative motion, the direction of relative movement is along the axis direction of resistance matter agent structure, and relative motion side between electric conductor 3 To for along the direction that two-plate extends, i.e., along the length extending direction of pole plate, width extending direction or along pole plate working face Other directions so that between electric conductor and two-plate exist with given pace continuous relative movement so that conductor fluid There are the movements of lasting relative position between the working surface of pole plate.The length extending direction of pole plate 1 or 2, width extension side To can be horizontal direction, vertical direction or other directions, in the present embodiment, direction of relative movement be horizontal direction, but this reality With being not limited to this in novel, the direction of motion preferably remains constant during the work time, but can also change, such as first keeps one After the lasting movement in a direction then change again in opposite direction or other directions carry out continue movement.

Fig. 6 is another preferred embodiment of the resistor of the utility model, is existed with difference in Fig. 5 embodiments Different with 2 arrangement in, two-plate 1, the working surface of two-plate is not positioned opposite, and conductive material 3 and two-plate 1 Different with 2 direction of relative movement, the relative motion in the embodiment between resistance matter 3 and pole plate 1 and 2 is horizontal direction.

Fig. 7 be the utility model resistor another preferred embodiment, wherein its it is different from Fig. 5 embodiments it It is in 3 toroidal structure of resistance matter or circumference column structure, peripheral surface or inner peripheral surface connect with pole plate working surface It touches, and it passes through the relative motion of rotation realization and pole plate 1 and 2 around own axes.

In another preferred embodiment shown in Fig. 8, with Fig. 7 embodiments the difference is that, the position of two-plate 1 and 2 It is opposite to set relationship not instead of working surface, monoclinic phase pair, but keep contact of the circular circumference face of resistance matter 3 with working surface. It, can be to heat that relative motion is taken out of into advancing one in addition, it is further preferred that cooling system 4 can also be additionally provided with The heat dissipation of step.

In the motional resistance device of the utility model, both ends pole plate has with electric conductor therein to be prolonged in along pole plate working surface The continuous relative motion on direction is stretched, the heat during resistor can be made to work is carried over resistor because of relative movement, So as to the heat dissipation performance of significant increase resistor, effectively radiate to resistor；And the conduction of motional resistance device Volume morphing is unlimited, can be applicable in the structures such as solid resistor or liquid resistor, simple in structure, by suitably adjusting pole The adjustment to resistance value can be realized in plate suqare, electric conductor parameter and/or pole plate spacing etc., and control is simple and reliable；In addition, this reality It can be realized to electric conductor at the two poles of the earth by closed pipeline or ring bodies structure with the electric conductor in novel motional resistance device Reciprocation cycle between plate, to greatly promote the cyclic utilization rate of electric conductor.

As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims

1. a kind of motional resistance device comprising two pole plates (1,2) being arranged in juxtaposition and be set between two-plate (1,2) Electric conductor (3), is characterized in that,

The two-plate (1,2) and between two-plate and for keeping opposite between the matched electric conductor of two-plate (3) That is, there is continuous relative movement, and the direction of relative movement between the described electric conductor (3) and two-plate (1,2) in motion state For along the direction that the two-plate (1,2) working surface extends.

2. a kind of motional resistance device according to claim 1, wherein kept between the two-plate (1,2) it is synchronous without There are relative motion, i.e. it is mobile to synchronize fixed or synchronous facing conductive body (3) for two-plate (1,2).

3. a kind of motional resistance device according to claim 2, wherein the two-plate (1,2) is fixed, and electric conductor (3) mobile relative to the two-plate (1,2)；Or the electric conductor (3) between the two-plate (1,2) is fixed, two-plate (1, 2) facing conductive body (3) is mobile.

4. a kind of motional resistance device according to claim 2, wherein the two-plate (1,2) keeps moving synchronously, the two poles of the earth Electric conductor (3) between plate keep movement and its direction of motion and/or rate and the two-plate (1,2) direction of motion and/or Rate is different.

5. a kind of motional resistance device according to any one of claim 1 to 4, wherein the parallel cloth of the two-plate (1,2) It sets or two-plate (1,2) is arranged at an angle.

6. a kind of motional resistance device according to any one of claim 1 to 4, wherein the electric conductor (3) be gas, Liquid, solid or its mixture.

7. a kind of motional resistance device according to claim 6, wherein two-plate (1, the 2) both ends are both provided with pipeline, Channel for providing the electric conductor (3) and the pole plate (1,2) relative movement.

8. a kind of motional resistance device according to claim 7, wherein the pipeline is closed, i.e., from two-plate (1,2) The electric conductor (3) that one end is removed by relative motion can be again introduced into after being recycled by the pipeline from two-plate (1,2) other end In gap between the two-plate (1,2).

9. a kind of motional resistance device according to claim 8, wherein be provided with cooling device on the pipeline, for pair The cooling heat dissipation of electric conductor (3).

10. a kind of soft starting device for motor, which is characterized in that described in any one of claim 1 to 9 Motional resistance device.